Elevator brake inspection device

Abstract

The utility model relates to the technical field of elevator inspection, and discloses an elevator brake inspection device, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a connecting cabinet, the inside of the connecting cabinet is fixedly connected with a connecting plate, the top of the connecting plate is fixedly connected with a traction wheel, the top of the connecting plate is fixedly connected with a reinforcing mechanism, and the reinforcing mechanism is fixedly connected with the bottom plate. The top of the bottom plate is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a maximum load testing mechanism, the testing mechanism comprises a pushing assembly, and the bottom of the pushing assembly is fixedly connected to the top of the supporting plate. According to the utility model, the operation of the traction wheel is started, the no-load operation test is carried out, the rear side hydraulic cylinder slides forwards to drive the balancing weight to be pushed into the placing box, the traction wheel is started to work, the maximum load operation test is carried out, and the normal braking of the elevator under various actual operation conditions can be ensured through the tests of two states; and the safety of passengers and equipment is improved to the greatest extent.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator inspection technical field especially relates to an elevator brake inspection device. BACKGROUND

[0002] The application of elevator brake inspection device is very important for ensuring the safe operation of elevator, especially in the performance detection of traction sheave, the traction sheave of elevator is one of the core components of elevator operation system, is connected with elevator car through traction belt, and power and traction are transmitted, and the ascending or descending of elevator is ensured, therefore, the working state and friction performance, wear condition etc.

[0003] The structure of an elevator brake inspection device includes traction sheave, traction rope, hydraulic cylinder etc., and the working principle of elevator brake inspection device is based on simulating the actual operation environment of elevator, and the reaction speed, braking force and working stability of traction sheave are tested, through strict test procedure, it is ensured that elevator can be effectively and safely stopped under any condition.

[0004] In prior art, part of elevator brake inspection device mainly concentrates on the detection of elevator ascending time, so as to evaluate the performance of elevator brake system, and the load adaptability under the running state of elevator cannot be comprehensively monitored, especially in the process of ascending or descending of elevator, the influence of the running state of traction sheave on the braking effect under no load and maximum load, therefore, the working characteristics of traction sheave under different load conditions are often ignored in prior art, which leads to the inaccuracy of performance evaluation of brake system, and thus the safety and stability of elevator are influenced, and therefore an elevator brake inspection device is proposed to solve the above problems. TECHNICAL SOLUTION

[0005] The utility model proposes an elevator brake inspection device, which aims at improving the problem that part of device in prior art cannot detect no load and maximum load of elevator.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] An elevator brake inspection device, including the bottom plate, the top of the bottom plate is fixedly connected with the connection cabinet, the inside of the connection cabinet is fixedly connected with the connecting plate, the top of the connecting plate is fixedly connected with the traction sheave, the top of the connecting plate is fixedly connected with the reinforcing mechanism, the top of the bottom plate is fixedly connected with the support plate, the top of the support plate is fixedly connected with the maximum load test mechanism,

[0008] The test mechanism includes a pushing assembly, the bottom of the pushing assembly is fixedly connected to the top of the support plate, the output end of the pushing assembly is slidably connected with a sliding plate, the inner part of the sliding plate is fixedly connected with a fixed block one, the inner side of the fixed block one is fixedly connected with an extension rod, the front side of the extension rod is slidably connected with a fixed block two, and the top of the support plate is fixedly connected with a sliding assembly.

[0009] As a further description of the above technical solution:

[0010] The top of the traction wheel is slidably connected with a traction rope, and the inner side of the traction rope is fixedly connected with a placing box.

[0011] As a further description of the above technical solution:

[0012] The pushing assembly includes a hydraulic cylinder and a sliding plate, the bottom of the hydraulic cylinder is fixedly connected to the top of the support plate, and the rear side of the sliding plate is slidably connected to the front side of the hydraulic cylinder.

[0013] As a further description of the above technical solution:

[0014] The sliding assembly includes a support block and a sliding block, the bottom of the support block is fixedly connected to the top of the support plate, and the outer part of the sliding block is slidably connected to the inner part of the support block.

[0015] As a further description of the above technical solution:

[0016] The reinforcing mechanism includes a fixed assembly, the bottom of the fixed assembly is fixedly connected to the top of the connecting plate, the top of the fixed assembly is fixedly connected with a support strip, the inner side of the support strip is rotatably connected with a rotating plate, the inner part of the rotating plate is fixedly connected with a circular plate, and the outer side of the support strip is rotatably connected with a rotating block.

[0017] As a further description of the above technical solution:

[0018] The fixed assembly includes a fixed plate, the bottom of the fixed plate is fixedly connected to the top of the connecting plate, and the top of the fixed plate is fixedly connected with a support strip.

[0019] As a further description of the above technical solution:

[0020] The inner side of the rotating block is rotatably connected to the outer side of the rotating rod, and the inner side of the rotating plate is rotatably connected to the outer side of the rotating rod.

[0021] As a further description of the above technical solution:

[0022] The bottom of the sliding plate is fixedly connected to the top of the sliding block, and the outer part of the second fixed block is slidably connected to the inner part of the sliding plate.

[0023] The utility model has the advantages of the following:

[0024] 1、 the utility model discloses, start the operation of tractor wheel, carry out no -load operation test, then telescopic link contraction drive fixed block two inside to the counterweight block is clamped, rear hydraulic cylinder slides to drive the counterweight block is pushed to the inside of the placing box, start the work of tractor wheel, test maximum load operation, after the test of two kinds of state, can ensure that the elevator can normally brake under various actual operating conditions, maximumly improve the safety of passenger and equipment.

[0025] 2、 the utility model discloses, pull the rotary lever, drive the rotary plate inside connection round plate and press down to the tractor wheel and fix, the tractor wheel must keep stable during the test process, avoid any shaking or displacement, and the stable fixing can ensure that the tractor wheel does not occur any unnecessary deviation when operating, guarantee the accuracy of test data. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 A kind of elevator brake inspection device's perspective view is proposed for the utility model;

[0027] Figure 2 The structure diagram of the connection cabinet of a kind of elevator brake inspection device is proposed for the utility model;

[0028] Figure 3 For Figure 2 The enlarged view of A in Fig.

[0029] Figure 4 For Figure 2 The enlarged view of B in Fig.

[0030] LEGEND:

[0031] 1, bottom plate;2, connection cabinet;3, connecting plate;4, tractor wheel;5, tractor rope;6, placing box;7, support plate;8, hydraulic cylinder;9, sliding plate;10, fixed block one;11, telescopic link;12, fixed block two;13, support block;14, sliding block;15, fixed plate;16, support strip;17, rotary plate;18, round plate;19, rotary block;20, rotary lever. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0033] With reference to Figure 1 、 Figure 3 An embodiment provided by the utility model: a kind of elevator brake inspection device, including bottom plate 1, bottom plate 1 is the basic component of entire device, responsible for providing stable support and bearing capacity, the top of bottom plate 1 is fixedly connected with connecting cabinet 2, connecting cabinet 2 is fixed with bottom plate 1, guarantee its stability, connecting plate 3 is fixedly connected in the inside of connecting cabinet 2, connecting plate 3 in the inside of connecting cabinet 2 is responsible for connecting electrical components and other mechanical parts such as traction sheave 4, push assembly etc. together, realize the coordinated work of each part, the top of connecting plate 3 is fixedly connected with traction sheave 4, traction sheave 4 is the key component for driving traction rope 5 movement in elevator system, the top of connecting plate 3 is fixedly connected with reinforcing mechanism, reinforcing mechanism is used to fix traction sheave 4 in the process of simulating detection of traction sheave 4, prevent the deviation caused by the shaking of traction sheave 4 to detection result, the top of bottom plate 1 is fixedly connected with support plate 7, support plate 7 is used to fix push assembly, the top of support plate 7 is fixedly connected with maximum load test mechanism, maximum load test mechanism is used to simulate the maximum load condition encountered in the operation of elevator, ensure the safety of equipment in actual use;

[0034] Test mechanism includes push assembly, the bottom of push assembly is fixedly connected at the top of support plate 7, hydraulic cylinder 8 provides push force, the bottom is fixedly connected at the top of support plate 7, and has strong thrust output. Hydraulic cylinder 8 is converted into mechanical thrust by liquid pressure, for pushing sliding plate 9 and related components, the output end of push assembly is slidably connected with sliding plate 9, sliding plate 9 slides within a certain range by the action of hydraulic cylinder 8, sliding plate 9 pushes the weight article of fixed block one 10 and fixed block two 12, push assembly includes hydraulic cylinder 8, sliding plate 9, the bottom of hydraulic cylinder 8 is fixedly connected at the top of support plate 7, the rear side of sliding plate 9 is slidably connected at the front side of hydraulic cylinder 8, the inside of sliding plate 9 is fixedly connected with fixed block one 10, the inside of fixed block one 10 is fixedly connected with telescopic rod 11, telescopic rod 11 is contracted for fixing weight article to move by the push of hydraulic cylinder 8.

[0035] A fixed block 12 is slidably connected to the front side of the telescopic rod 11. The fixed block 12 cooperates with the sliding plate 9 to ensure the smooth movement of the telescopic rod 11 during operation. The fixed block 12 slides inside the sliding plate 9. A sliding assembly is fixedly connected to the top of the support plate 7. The sliding assembly includes a support block 13 and a sliding block 14. The bottom of the support block 13 is fixedly connected to the top of the support plate 7. The support block 13 is used to provide a sliding track for the sliding block 14 connected to the bottom of the sliding plate 9 when the hydraulic cylinder 8 pushes the sliding plate 9, so as to ensure stability during the process of the hydraulic cylinder 8 pushing the sliding plate 9. The outside of the sliding block 14 is slidably connected to the inside of the support block 13. The sliding block 14 is connected to the sliding plate 9 and slides inside the support block 13 when the sliding plate 9 is pushed by the hydraulic cylinder 8.

[0036] Reference Figure 2 , Figure 4 The reinforcement mechanism includes a fixing component. The bottom of the fixing component is fixedly connected to the top of the connecting plate 3. The fixing component is used to stably fix the reinforcement mechanism to the connecting plate 3. The fixing component includes a fixing plate 15. The bottom of the fixing plate 15 is fixedly connected to the top of the connecting plate (3). A support bar 16 is fixedly connected to the top of the fixing plate 15. The support bar 16 is part of the fixing component and is used for stable fixing. A rotating plate 17 is rotatably connected to the inner side of the support bar 16. The rotating plate 17 is used to drive the internally connected circular plate 18 downward when pressed down. The traction wheel 4 is securely fixed by the pressure. A circular plate 18 is fixedly connected inside the rotating plate 17. The circular plate 18 fixes the traction wheel 4 to the connecting plate 3. Rotating blocks 19 are rotatably connected to the outside of the support bar 16. One end of the rotating block 19 is connected to the rotating plate 17, and the other end is connected to the support bar 16. It is used to keep the rotating plate 17 stable during the rotation of the rotating plate 17. A rotating rod 20 is rotatably connected to the inside of the rotating plate 17. Pulling the rotating rod 20 causes the rotating plate 17 to press down, which in turn causes the internal circular plate 18 to press down and fix the traction wheel 4.

[0037] Reference Figures 1 to 2 The top of the traction sheave 4 is slidably connected to the traction rope 5, which is used to connect the traction sheave 4 and the placement box 6. The traction rope 5 is the key part for transmitting motion and force. The inner side of the traction rope 5 is fixedly connected to the placement box 6, which is used to place heavy items to detect and simulate the state of the traction sheave 4 under maximum load during elevator operation. The inner side of the rotating block 19 is rotatably connected to the outer side of the rotating rod 20, and the inner side of the rotating plate 17 is rotatably connected to the outer side of the rotating rod 20. The bottom of the sliding plate 9 is fixedly connected to the top of the sliding block 14, and the outer side of the fixed block 12 is slidably connected to the inside of the sliding plate 9.

[0038] Working principle: When performing elevator braking tests, the traction sheave 4 on the connecting plate 3 inside the connecting cabinet 2 is first activated to simulate the elevator's no-load test. Then, the telescopic rod 11 fixed to the front of the fixed block 10 drives the fixed block 2 12 to retract and fix the weight. The hydraulic cylinder 8 on the support plate 7 starts to work, generating a pushing force that pushes the sliding plate 9 to slide on the top of the support block 13, pushing the weight fixed in the fixed blocks 10 and 2 12. While the hydraulic cylinder 8 is pushing, the sliding block 14 connected to the bottom of the sliding plate 9 also slides inside the support block 13, maintaining stability during the sliding process. Then, the weight is pushed into the placement box 6. The placement box 6 is connected to the traction sheave 4 through the traction rope 5 to ensure that the maximum load condition of the elevator during operation can be simulated.

[0039] During this process, the reinforcement mechanism ensures the stability of the traction wheel 4 during the test and prevents it from shaking and affecting the test results. The fixing plate 15 and the support bar 16 are firmly fixed on the top of the connecting plate 3. One end of the rotating block 19 is connected to the rotating plate 17 and the other end is connected to the support bar 16. It is used to keep the rotating plate 17 stable during the rotation of the rotating plate 17. The rotating plate 17 presses down on the circular plate 18 by the pull of the rotating rod 20, further stabilizing the traction wheel 4 and ensuring that it will not be displaced during the test.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. An elevator brake testing device, comprising a base plate (1), characterized in that: A connecting cabinet (2) is fixedly connected to the top of the base plate (1), a connecting plate (3) is fixedly connected inside the connecting cabinet (2), a traction wheel (4) is fixedly connected to the top of the connecting plate (3), a reinforcing mechanism is fixedly connected to the top of the connecting plate (3), a support plate (7) is fixedly connected to the top of the base plate (1), and a maximum load testing mechanism is fixedly connected to the top of the support plate (7). The testing mechanism includes a pushing component, the bottom of which is fixedly connected to the top of the support plate (7). The output end of the pushing component is slidably connected to a sliding plate (9). A fixing block one (10) is fixedly connected inside the sliding plate (9). A telescopic rod (11) is fixedly connected to the inner side of the fixing block one (10). A fixing block two (12) is slidably connected to the front side of the telescopic rod (11). A sliding component is fixedly connected to the top of the support plate (7).

2. The elevator brake testing device according to claim 1, characterized in that: The top of the traction wheel (4) is slidably connected to a traction rope (5), and a placement box (6) is fixedly connected to the inner side of the traction rope (5).

3. The elevator brake testing device according to claim 1, characterized in that: The pushing assembly includes a hydraulic cylinder (8) and a sliding plate (9). The bottom of the hydraulic cylinder (8) is fixedly connected to the top of the support plate (7), and the rear side of the sliding plate (9) is slidably connected to the front side of the hydraulic cylinder (8).

4. The elevator brake testing device according to claim 1, characterized in that: The sliding assembly includes a support block (13) and a sliding block (14). The bottom of the support block (13) is fixedly connected to the top of the support plate (7), and the outside of the sliding block (14) is slidably connected to the inside of the support block (13).

5. The elevator brake testing device according to claim 1, characterized in that: The reinforcement mechanism includes a fixing component. The bottom of the fixing component is fixedly connected to the top of the connecting plate (3). A support bar (16) is fixedly connected to the top of the fixing component. A rotating plate (17) is rotatably connected to the inner side of the support bar (16). A circular plate (18) is fixedly connected to the inside of the rotating plate (17). Rotating blocks (19) are rotatably connected to the outer side of the support bar (16). A rotating rod (20) is rotatably connected to the inner side of the rotating plate (17).

6. The elevator brake testing device according to claim 5, characterized in that: The fixing component includes a fixing plate (15), the bottom of which is fixedly connected to the top of the connecting plate (3), and a support strip (16) is fixedly connected to the top of the fixing plate (15).

7. The elevator brake testing device according to claim 5, characterized in that: The inner side of the rotating block (19) is rotatably connected to the outer side of the rotating rod (20), and the inner side of the rotating plate (17) is rotatably connected to the outer side of the rotating rod (20).

8. The elevator brake testing device according to claim 4, characterized in that: The bottom of the sliding plate (9) is fixedly connected to the top of the sliding block (14), and the outside of the fixed block two (12) is slidably connected to the inside of the sliding plate (9).

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