Adjustable supporting base for static load test of track plate
By combining a scissor lift with a stable structure, an adjustable support base was achieved, solving the problem of insufficient practicality of existing bases and improving the accuracy and adaptability of static load testing of track slabs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-29
- Publication Date
- 2026-04-10
AI Technical Summary
Existing track slab test bases cannot meet the requirements of different specifications of track slabs for test support height and levelness, which limits the simulation capability of complex service scenarios and is not practical enough.
The system employs a scissor lift and a stable structure, including a combination of side sliding seats, slides, electric push rods, U-shaped sliding seats, and limit blocks, to achieve an adjustable support base that meets the support height and levelness requirements of track slabs of different specifications. It also prevents swaying through a linkage sliding constraint.
It improves the accuracy and adaptability of static load testing of track slabs, meets the support requirements under different test conditions, and avoids the swaying problem of scissor lifts.
Smart Images
Figure CN224105479U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to track slab static load test technical field, especially track slab static load test adjustable support base. BACKGROUND
[0002] Track slab is an important component of slab track structure, usually used for laying on the roadbed or bridge of railway or urban rail transit, as the basic part of track, track slab is mainly composed of reinforced skeleton and concrete body, the reinforced skeleton plays the role of enhancing the strength and toughness of the plate body, can bear the tensile force, pressure and shear force and various stresses generated by train load, therefore needs to be tested before leaving the factory.
[0003] At present, the existing track slab test is flat ground test, which cannot meet the different requirements of different specifications of track slab on test support height and levelness, limits the simulation ability of complex service scenarios such as roadbed settlement, and the practicality is insufficient, which needs to be improved. UTILITY MODEL CONTENT
[0004] (I) technical problem solved
[0005] In view of the shortage of prior art, the utility model provides an adjustable support base for track slab static load test, which solves the technical problem of insufficient practicality of the existing base.
[0006] (II) technical scheme
[0007] In order to achieve the above purpose, the utility model is realized by the following technical scheme:
[0008] An adjustable support base for track slab static load test, comprising a scissor lift;
[0009] The scissor lift is fixedly installed on the side wall of the stable structure;
[0010] The stable structure comprises a side sliding seat, a sliding groove is formed in the inside of the side sliding seat, a storage groove is formed in the inner wall of the sliding groove, an electric push rod is arranged in the inside of the storage groove, a first U-shaped sliding seat is slidably installed in the inside of the sliding groove, and the output shaft of the electric push rod is fixedly installed with the first U-shaped sliding seat.
[0011] Preferably, the top lifting platform of the scissor lift is provided with a bottom plate, the second U-shaped sliding seat is fixedly installed on the side wall of the bottom plate, and the connecting plate is rotatably installed between the rotating shaft on the inner side of the second U-shaped sliding seat and the rotating shaft on the inner side of the first U-shaped sliding seat.
[0012] Preferably, a rectangular slot is arranged inside the connecting plate, a plurality of roller sets are rotatably arranged inside the rectangular slot, a limiting slot is symmetrically arranged on the inner wall of the sliding slot, a limiting block is slidably arranged inside the two limiting slots, and the two limiting blocks are fixedly arranged with the first U-shaped sliding seat.
[0013] Preferably, a fixed plate is fixedly arranged on the upper end of the bottom plate, and the upper end of the fixed plate is provided with a track plate body.
[0014] (Three) beneficial effects
[0015] Firstly, the scissor lift is arranged, and the bottom plate, the fixed plate and the track plate body are arranged on the jacking platform, so that the staff can meet the requirements of different test conditions and specifications of the track plate body on the supporting height, the levelness and the bearing capacity.
[0016] Secondly, the stable structure is arranged, so that when the jacking platform of the scissor lift moves, the radial force drives the second U-shaped sliding seat to descend, and the first U-shaped sliding seat and the limiting block are limited by the sliding slot and the limiting slot, at this time, the first U-shaped sliding seat and the limiting block slide in the sliding slot and the limiting slot, at the same time, the output shaft of the electric push rod moves synchronously according to the sliding of the first U-shaped sliding seat, thereby realizing the linkage sliding constraint, avoiding the shaking of the scissor arms of the scissor lift when the static load test pressure is too large, and improving the accuracy of the test. BRIEF DESCRIPTION OF DRAWINGS
[0017] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the utility model can be implemented according to the content of the specification, the following detailed description of the preferred embodiments of the utility model and the accompanying drawings.
[0018] Figure 1 It is a perspective view of the utility model;
[0019] Figure 2 It is a perspective connection explosion structure diagram of the utility model;
[0020] Figure 3 It is a side sliding seat connection explosion structure diagram of the utility model;
[0021] Figure 4 It is a connecting plate connection explosion structure diagram of the utility model;
[0022] Figure 5 It is a roller set connection explosion structure diagram of the utility model.
[0023] Legend: 11, scissor lift; 12, side slide; 13, sliding groove; 14, storage groove; 15, electric push rod; 16, first U-shaped sliding seat; 17, bottom plate; 18, second U-shaped sliding seat; 19, connecting plate; 21, rectangular groove; 22, roller set; 23, limiting groove; 24, limiting block; 25, fixed plate; 26, track plate body. DETAILED DESCRIPTION
[0024] The adjustable support base for static load testing of track plates provided by the embodiment of the application effectively solves the technical problem of insufficient practicality of the existing base. By providing a scissor lift and a bottom plate, a fixed plate and a track plate body on the jacking platform, the staff can meet the requirements of different test conditions and specifications of the track plate body for support height, levelness and carrying capacity. By providing a stable structure, when the jacking platform of the scissor lift moves, the radial force will drive the second U-shaped sliding seat to descend, and the first U-shaped sliding seat and the limiting block will slide inside the sliding groove and the limiting groove. At the same time, the output shaft of the electric push rod will move synchronously according to the sliding of the first U-shaped sliding seat, thereby realizing linkage sliding constraint. When the static load test pressure is too large, the scissor arms of the scissor lift will not shake, and the accuracy of the test is improved.
[0025] EMBODIMENT
[0026] As shown in Figures 1-5 The technical solution in the embodiment of the application effectively solves the technical problem of insufficient practicality of the existing base. The general idea is as follows:
[0027] In view of the problems in the prior art, the utility model provides a kind of adjustable support base for static load testing of track plate, including scissor lift 11;
[0028] Stable structure is fixedly installed on the side wall of scissor lift 11;
[0029] The stable structure includes a side slide 12, a sliding groove 13 is formed in the side slide 12, a power side scissor arm moving on the scissor lift 11 is on the same side as the side slide 12, a storage groove 14 is formed in the inner wall of the sliding groove 13, an electric push rod 15 is arranged in the storage groove 14, a first U-shaped sliding seat 16 is slidably installed in the sliding groove 13, the output shaft of the electric push rod 15 is fixedly installed with the first U-shaped sliding seat 16, a jacking platform is arranged at the upper end of the scissor lift 11, a bottom plate 17 is fixedly installed at the upper end of the jacking platform of the scissor lift 11, a second U-shaped sliding seat 18 is fixedly installed on the side wall of the bottom plate 17, and a connecting plate 19 is rotatably installed between the shaft on the inner side of the second U-shaped sliding seat 18 and the shaft on the inner side of the first U-shaped sliding seat 16;
[0030] By setting the stable structure, when the jacking platform of the scissor lift 11 moves, the radial force will drive the second U-shaped sliding seat 18 to descend, and through the limiting of the first U-shaped sliding seat 16 and the limiting block 24, the first U-shaped sliding seat 16 and the limiting block 24 will slide inside the sliding groove 13 and the limiting groove 23, at the same time, the output shaft of the electric push rod 15 will move synchronously according to the sliding of the first U-shaped sliding seat 16, thereby realizing the linkage sliding constraint, avoiding the problems such as shaking of the scissor arms of the scissor lift 11 when the static load test pressure is too large, and improving the accuracy of the test.
[0031] The connecting plate 19 is internally provided with a rectangular groove 21, a plurality of roller sets 22 are rotatably installed inside the rectangular groove 21, the inner wall of the sliding groove 13 is symmetrically provided with a limiting groove 23, and the limiting block 24 is slidingly installed inside the two limiting grooves 23. Both limiting blocks 24 are fixedly installed with the first U-shaped sliding seat 16, and the fixed plate 25 is fixedly installed on the upper end of the bottom plate 17, and the track plate body 26 is arranged on the upper end of the fixed plate 25.
[0032] By setting the rectangular groove 21 and the roller set 22, the worker can control the inclination of the connecting plate 19, which is convenient for subsequent movement and transfer of the track plate body 26 to the upper side of the fixed plate 25 through the auxiliary movement of the roller set 22 and fixed by screws, and is convenient for installation.
[0033] By setting the scissor lift 11 and the bottom plate 17, the fixed plate 25 and the track plate body 26 on the jacking platform, the worker can meet the demand of the track plate body 26 of different test conditions and specifications for supporting height, levelness and bearing capacity.
[0034] Working principle:
[0035] Firstly, when in use, the worker can first control the scissor lift 11 to lower the jacking platform of the scissor lift 11 as a whole, at this time the bottom plate 17 will be lowered, thereby generating a radial force to drive the second U-shaped sliding seat 18 to descend, and through the limiting of the first U-shaped sliding seat 16 and the limiting block 24, at this time the first U-shaped sliding seat 16 and the limiting block 24 will slide inside the sliding groove 13 and the limiting groove 23 to the side of the electric push rod 15, at the same time, the inclination of the connecting plate 19 will be slow, and then the worker can move the track plate body 26 to the upper side of the fixed plate 25 through the auxiliary movement of the roller set 22 and fix it by screws to complete the installation;
[0036] In the second step, the worker can adjust the lifting height of the scissors lifting machine 11 according to the test process, the base plate 17, the fixed plate 25 and the track plate body 26 will be lifted, so that the second U-shaped sliding seat 18 pulls the connecting plate 19 and the first U-shaped sliding seat 16 to move, at the same time, the output shaft of the electric push rod 15 will move synchronously according to the sliding of the first U-shaped sliding seat 16, so that when the worker tests the static load of the track plate body 26, the second U-shaped sliding seat 18, the connecting plate 19, the first U-shaped sliding seat 16 and the electric push rod 15 will support the base plate 17.
[0037] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. An adjustable support base for static load testing of track panels, comprising a scissor lift (11), characterized in that ； The stable structure is fixedly installed on the side wall of the scissor lift (11); The stable structure comprises a side sliding base (12), a sliding groove (13) is formed in the inside of the side sliding base (12), a storage groove (14) is formed in the inner wall of the sliding groove (13), and an electric push rod (15) is arranged in the inside of the storage groove (14); The first U-shaped sliding base (16) is slidably arranged in the inside of the sliding groove (13), and the output shaft of the electric push rod (15) is fixedly installed with the first U-shaped sliding base (16).
2. The adjustable support base for track slab static load testing of claim 1, wherein, The top lifting platform is arranged at the upper end of the scissor lift (11); The bottom plate (17) is fixedly installed at the upper end of the top lifting platform of the scissor lift (11).
3. The adjustable support base for track slab static load testing of claim 2, wherein, The second U-shaped sliding base (18) is fixedly installed on the side wall of the bottom plate (17); The connecting plate (19) is rotatably arranged between the rotating shafts on the inner sides of the first U-shaped sliding base (16) and the second U-shaped sliding base (18).
4. The adjustable support base for track slab static load testing of claim 3, wherein, The rectangular groove (21) is formed in the inside of the connecting plate (19), and a plurality of roller groups (22) are rotatably arranged in the inside of the rectangular groove (21). The limiting grooves (23) are symmetrically formed in the inner wall of the sliding groove (13).
5. The adjustable support base for track slab static load testing of claim 4, wherein, The limiting blocks (24) are slidably arranged in the two limiting grooves (23). The two limiting blocks (24) are fixedly installed with the first U-shaped sliding base (16).
6. The adjustable support base for track slab static load testing of claim 2, wherein, The fixed plate (25) is fixedly installed at the upper end of the bottom plate (17). The track plate body (26) is arranged at the upper end of the fixed plate (25).