EXHIBIT ENGINEERS · ZIGONG, CHINA
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Exhibit Engineers
Unusual-lever exhibit seen from the front with its full circular wheel, support and floor pedestal

Fundamental Science

Unusual lever museum exhibit

An unusual lever museum exhibit places a circular mechanical display on a support with a visitor handle. Learners operate the input and compare the motion or effort at different positions, using an arrangement to question how force, distance and a pivot interact in a mechanism.

▶ Watch the film
Unusual-lever exhibit seen from the front with its full circular wheel, support and floor pedestal
Actual physical exhibit photograph01 / 06

Actual physical exhibit photograph

Unusual-lever exhibit seen from the front with its full circular wheel, support and floor pedestal
24 sec · Real operating video

THE PRODUCT IN MOTION

See it work.

See the actual physical reference and its demonstrated interaction. Use the handle within the agreed travel and observe the mechanism response.

Video & text guide

THE ACTIVITY & MECHANISM

Compare position and effort in a lever

A visitor handle operates a circular mechanism with linked members and hanging cylindrical elements. It provides a physical reference for comparing force, position and a pivot. Any force ratio requires confirmation of the exact load path. The torque explanation should use the perpendicular distance from the force to the pivot.

  1. 01

    Identify

    Locate the handle, visible moving parts and the intended pivot reference.

  2. 02

    Operate

    Use the handle within the agreed travel and observe the mechanism response.

  3. 03

    Compare

    Discuss force direction and distance from the pivot without assigning an unverified ratio.

REFERENCE & PROJECT SCOPE

Reference specifications.

Use the reference dimensions and operating information to plan the exhibit. The agreed project drawings define the supplied configuration, installation interfaces and service access.

Approx. L × W × H
2,100 × 1,200 × 1,750 mm
Exhibit theme
Fundamental Science
Visitor activity
Identify · Operate · Compare
Reference operation
Move the accessible horizontal handles and compare the linked arms and hanging cups around the guarded circular mechanism. The visible activity uses a linkage; the footage does not establish calibrated load values.
Power & supply
Powered versions can be configured for 110/220 V AC, 50/60 Hz. Confirm the site connection and fixing schedule for this configuration before installation.
Reference construction
The schedule specifies a Q235 label box, PVC panel parts, a tempered-glass guard and stainless lever and rod components. The linkage bearings, chain and hanging-cup materials require confirmation.
Configuration options
Appearance, interpretation language, controls and installation arrangement by project agreement
Daily operating schedule
8 hours per day
Scheduled maintenance
Every 30 days
Factory dispatch lead time
30–120 calendar days after design approval and receipt of the deposit. Transit time is additional.
Minimum custom order
One exhibit

Approximate planning estimate: 2100 × 1200 × 1750 mm (L × W × H). Lever, hanging cups and round base in the shown reference pose; additional operating and safety clearances excluded.

Reference configuration notes
Circular display
A yellow-rimmed circular mechanical assembly forms the main display.
Visible arrangement
A cross-shaped arrangement is visible within the circular housing.
Visitor operation
The footage shows a visitor operating the accessible handle beside the assembly.
Customisation, installation & support
01Overall layout
Confirm complete L × W × H, including supports and base, together with visitor approach and service access.
02Selected configuration
Confirm the lever path, demonstrated comparison, travel limits and permitted visitor effort. Coordinate access to the internal mechanism and the hanging elements.
03Interpretation and language
Review the learning task, control labels and final English content against the selected physical version.
04Operational plan
Inspect the handle, joints, fixings and any confirmed load connections. Check operating travel and clearances through the agreed service procedure.
See the design-to-delivery process

BEFORE AN ENQUIRY

Questions & support.

24 months of complimentary spare-parts support, remote technical guidance and long-term after-sales support. Exhibit Engineers pays the shipping cost of complimentary spare parts during the 24-month support period.

Explore the support
Delivery, installation & after-sales terms
Payment
A 50% deposit is payable after the contract is signed. The remaining balance is paid after acceptance and before dispatch, so full payment is received before dispatch. Payment methods are agreed in the contract.
Packaging & transport
Metal shipping cases or multilayer wood-panel shipping cases. Transport arrangements and costs are agreed to suit the project.
Materials & painted finish
Common material options include Q235 steel, stainless steel, aluminium alloy, PVC, acrylic, engineering plastics. The combination is selected for each configuration. Marine anti-corrosion paint with a piano-gloss automotive paint finish. Applied to painted parts.
Typical power · powered versions
Standard products: 100–500 W; oversized installations: 1,000–5,000 W. Typical ranges for powered versions. Confirm the selected model and final connected load.
Product maintenance
Inspect pivots, lever plates, hanging rods and chains, cup attachments, travel stops and the glass guard. Confirm the permitted loads before replacing or adding any hanging weight.
Installation & training
Complimentary training is available on site or remotely, according to project needs. If installation or on-site after-sales service is not included in the product price, the customer pays the actual travel expenses incurred, unless the contract provides otherwise.
Factory acceptance & handover
Mid-production and pre-dispatch checks are provided. Factory acceptance can take place in person at the factory or through acceptance videos. Installation and operating videos, written installation and operating instructions, drawings and a spare-parts list are provided.
Complimentary parts
24 months of complimentary spare-parts support, starting when the exhibit is handed over for use. Covers faults not caused by the user. User-caused or deliberate damage is excluded. Exhibit Engineers pays the shipping cost of complimentary spare parts during the 24-month support period.
Warranty & repair labour
The whole-exhibit warranty period and repair labour scope and charges are agreed in the contract.
Can we discuss a prototype or sample for a custom version?

Yes. Prototype testing and sample fabrication are available for custom projects. Discuss which functions or features you need to review for your version. The scope, cost and schedule are agreed for the project.

How prototype testing & samples work
Can the lever’s force ratio be determined from its outer shape?

The turning effect of a force depends on its magnitude and perpendicular distance from the pivot. A mechanism’s visible shape alone does not determine its mechanical advantage; the actual force direction and linkage path matter.

What do the images and videos show?

The gallery labels photographs, video frames, renderings and the dimension drawing. Physical footage is identified separately.

FROM CONCEPT TO TURNKEY DELIVERY

Start with a reference. Shape your version.

Share the exhibit name, intended users and a plan or description of your setting. We can work through the experience and practical scope.

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