Monorail hoist brake force testing device

Abstract

The present application relates to the technical field of brake force detection, in particular to a monorail crane brake force testing device, which is applied to a steel guide rail and comprises a moving assembly, a horizontal plate, a control power supply assembly, a base, a bottom plate, a flywheel assembly, a limiting assembly, an acceleration sensor, a connecting rod assembly and a connecting rod, wherein the acceleration sensor and the connecting rod assembly are both installed on the front side of the base on the side of the forward direction. The present application is convenient to disassemble and separate through the overall structure, drives the inertia flywheel to rotate at a corresponding speed to replace the counterweight block during the brake force detection test, and decelerates when the running trolley brake fails, thereby reducing the speed of the running trolley, solving the problem that when the number of counterweights is large during the dynamic brake force test in the coal mine, it is inconvenient to run multiple counterweight blocks into the narrow space of the coal mine, causing low brake force test detection efficiency, and lacking emergency protection measures after brake failure, which is prone to safety accidents.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of brake force detection, in particular to a monorail crane brake force testing device. BACKGROUND

[0002] In the brake force test of the monorail crane applied in the coal mine, in order to ensure the accuracy of the test, dynamic brake test, i.e. emergency brake test, is usually adopted. The dynamic test process of the brake force is as follows: let the running trolley with the rated load run on the test track and accelerate to the maximum design speed, and at the pre-set measurement starting point, the driver quickly triggers the emergency brake button. Through the intelligent sensors such as tension sensors, displacement sensors and acceleration sensors, the brake distance and brake deceleration of the running trolley during braking are measured, and the brake force test of the running trolley is completed.

[0003] Therefore, a monorail crane brake force testing device is provided. SUMMARY

[0004] The monorail crane plays an irreplaceable role in the transportation in the coal mine, and its brake system is the absolute core of its safe operation, and is directly related to the overall safety of the mine, so the brake force of the monorail crane in the coal mine needs to be tested periodically.

[0005] The present application aims to provide a monorail crane brake force testing device to solve the technical problem of "because the goods hoisted by the monorail crane in the coal mine are heavy, and the space in the coal mine is narrow, if the counterweight blocks of the same weight are transported to the coal mine for brake force test detection, it will cause many inconveniences in the process of monorail crane brake force test detection, thus leading to low efficiency of monorail crane brake force test detection in the coal mine, and prone to safety accidents when the running trolley brakes fail", and through the overall structure which is convenient to disassemble and separate, the driving inertia flywheel is rotated at a corresponding speed to replace the counterweight blocks in the process of brake force test detection, and when the running trolley brakes fail, it automatically slows down and reduces the speed of the running trolley, which solves the problem that when the number of counterweights is large in the dynamic brake force test of the monorail crane applied in the coal mine, it is inconvenient to run multiple counterweight blocks in the narrow space of the coal mine, leading to low efficiency of brake force test detection, and prone to safety accidents when the brakes fail, and has the effects of convenient overall disassembly, reducing the overall volume to facilitate brake force test detection, improving the test efficiency, and improving the safety of brake force test.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0007] A monorail crane braking force test device is applied to a steel guide rail and comprises a moving assembly, a horizontal plate, a control power supply assembly, a base, a bottom plate, a flywheel assembly, a limiting assembly, an acceleration sensor, a connecting rod assembly and a connecting rod. The acceleration sensor and the connecting rod assembly are both installed on the front side of the base on the side of the forward direction. One end of the connecting rod is limited to slide on the sidewall of one of the moving assemblies, and the other end of the connecting rod is connected with the flywheel assembly through a separation electric rod. The moving assembly is in transmission connection with the flywheel assembly. The connecting rod assembly is connected with a running trolley, and the moving assembly is moved along the steel guide rail by the running trolley. The moving assembly drives the flywheel assembly to rotate when moving. The acceleration sensor feeds back the acceleration signal of the running trolley to the control power supply assembly, and the control power supply assembly controls the separation electric rod to extend when the running trolley is braked and decelerated, so that the moving assembly is separated from the flywheel assembly in transmission.

[0008] The moving assembly comprises a fixed plate, a side plate, an electric push rod, a limiting shaft, a roller, a first movable sprocket and a chain.

[0009] The flywheel assembly comprises a vertical plate, a rotating shaft, an eddy current damper, an inertial flywheel, a limiting protrusion and a second movable sprocket. Two vertical plates are arranged in parallel and installed on the surface of the bottom plate. The rotating shaft is arranged to rotate between the two vertical plates. The eddy current damper and the inertial flywheel are both installed on the rotating shaft. The limiting protrusion is integrally formed on the end of the rotating shaft. The second movable sprocket is provided with a limiting protrusion-adapting butt joint groove in the inner periphery, and is rotatably installed on the end of the piston rod of the separation electric rod. When the separation electric rod is shortened, the second movable sprocket is limited relative to the rotating shaft by being in close contact with the limiting protrusion. The second movable sprocket is connected with the first movable sprocket through the chain.

[0010] Preferably, the side plate is fixed on the sidewall of the fixed plate. Two side plates are arranged in close contact with the surface of the horizontal plate. One side plate is fixedly connected with the horizontal plate, and the other side plate is slidably connected with the horizontal plate. The electric push rod is installed on the surface of the horizontal plate, and the end of the electric push rod is connected with the sidewall of the slidable side plate. The limiting shaft is rotatably arranged on the sidewall of the fixed plate. The roller is sleeved on the outer periphery of the limiting shaft. The first movable sprocket is limited to slide on the limiting shaft. The chain is connected between the first movable sprocket and the flywheel assembly.

[0011] Preferably, the control power supply assembly comprises a close plate, an energy storage battery and an integrated controller. The close plate is installed on the sidewall of the base. The energy storage battery is installed on the sidewall of the close plate. The integrated controller is installed on the surface of the energy storage battery, and the integrated controller is electrically connected with the acceleration sensor.

[0012] Preferably, L plates are installed on the bottom of the base. One end of the bottom plate is provided with a slot adapted to the L plate. The surface of the bottom plate is further provided with a clamping groove.

[0013] Preferably, the limiting assembly comprises a round rod and two limiting blocks, the two limiting blocks are arranged at the two ends of the round rod respectively, the limiting blocks are matched with the clamping grooves, and the side walls of the limiting blocks are matched with the side walls of the corresponding bases.

[0014] Preferably, the side walls of the limiting blocks are integrally formed with first and second protrusions, and the first and second protrusions are matched with the clamping grooves.

[0015] Preferably, the connecting rod assembly comprises a connecting seat, a penetrating rod, a tension sensor, a rigid rod, a laser range finder and a connecting lug, the connecting seat is installed on the side wall of the base, one end of the rigid rod extends into the connecting seat, the penetrating rod penetrates through the connecting seat and the end of the rigid rod, the tension sensor is installed between the rigid rod and the connecting seat, the laser range finder is installed on the outer periphery of the rigid rod, and the connecting rod is installed at the other end of the rigid rod.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. The monorail hoist braking force test device of the present application is convenient and flexible to disassemble when performing dynamic test on the braking force of the monorail hoist applied in coal mines, and the inertia flywheel capable of high-speed rotation is used to replace the counterweight, which not only reduces the time required for transporting the counterweight, but also can replace the corresponding counterweight by adjusting the rotation speed of the inertia flywheel, making the use more flexible and convenient, and greatly improving the test efficiency of the dynamic test of the braking force of the monorail hoist.

[0018] 2. The moving assembly and the flywheel assembly are provided, when the running trolley moves the moving assembly through the connecting rod assembly, the moving assembly moves along the steel guide rail, and provides power input for the flywheel assembly through its own rotation, thereby adapting to the corresponding counterweight by changing the total kinetic energy of the flywheel assembly, without the need to separately transport multiple counterweights, which not only reduces the workload of the dynamic test of the braking force of the monorail hoist in coal mines, but also can flexibly adjust and replace counterweights of different weights to meet the use of the dynamic test of the braking force of the monorail hoist with different hoisting weights in different coal mines, and the application range is more extensive.

[0019] 3. The moving assembly, the base and the flywheel assembly installed on the bottom plate are provided, the overall installation and use are flexible, the moving assembly is distributed on both sides of the steel guide rail through hoisting equipment before the dynamic test of the braking force, the moving assembly is limited between the two sides of the steel guide rail, and then the base and the bottom plate are installed in sequence to complete the overall installation of the device.

[0020] 4. By setting the flywheel assembly, connecting rod, separation electric rod and moving assembly, when the moving assembly drives the inertia flywheel to rotate to the set corresponding counterweight rotating speed, the transmission action between the moving assembly and the flywheel assembly can be disconnected under the action of the connecting rod and the separation electric rod, so that the inertia flywheel keeps rotating at the set speed in the subsequent test process, and when the speed of the inertia flywheel appears speed drop, the inertia flywheel is provided with speed compensation by the back-feeding eddy current damper, so as to fully guarantee the accuracy of the dynamic test of the monorail hoist braking force in the coal mine. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic view of the steel guide rail mounted structure of the application;

[0022] Figure 2 It is a whole structure schematic view of the application;

[0023] Figure 3 It is a structure schematic view of the moving assembly of the application;

[0024] Figure 4 It is a structure schematic view of the control power supply assembly of the application;

[0025] Figure 5 It is a structure schematic view of the bottom plate of the application;

[0026] Figure 6 It is a structure schematic view of the flywheel assembly of the application;

[0027] Figure 7 It is a structure schematic view of the limiting assembly of the application;

[0028] Figure 8 It is a structure schematic view of the connecting rod assembly of the application.

[0029] In the figure: 1, steel guide rail; 2, moving assembly; 21, fixed plate; 22, side plate; 23, electric push rod; 24, limiting shaft; 25, roller; 26, first movable sprocket; 27, chain; 3, horizontal plate; 4, control power supply assembly; 41, matching plate; 42, energy storage battery; 43, integrated controller; 5, base; 51, L plate; 6, bottom plate; 61, clamping groove; 62, slot; 7, flywheel assembly; 71, vertical plate; 72, rotating shaft; 73, eddy current damper; 74, inertia flywheel; 75, limiting protrusion; 76, second movable sprocket; 8, limiting assembly; 81, round rod; 82, limiting block; 821, first protrusion; 822, second protrusion; 9, acceleration sensor; 10, connecting rod assembly; 101, connecting seat; 102, through rod; 103, tension sensor; 104, rigid rod; 105, laser range finder; 106, connecting lug; 11, connecting rod; 111, separation electric rod. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0031] Please refer to Figures 1 to 8 The present application provides a monorail hoist braking force test device, and the technical solutions are as follows:

[0032] Refer to Figure 1 and Figure 2The utility model provides a kind of monorail brake force test device, apply on steel guide rail 1, steel guide rail 1 is the track of monorail in coal mine, including moving assembly 2, horizontal plate 3, control power supply component 4, base 5, bottom plate 6, flywheel assembly 7, limiting component 8, acceleration sensor 9, connecting rod assembly 10 and connecting rod 11, two groups of moving assembly 2 are slidably arranged between the both sides of steel guide rail 1, two groups of moving assembly 2 are located in the moving axis direction of steel guide rail 1, horizontal plate 3 is installed at the bottom of moving assembly 2, base 5 is installed at the bottom of bottom plate 6, base 5 can be fixed in the bottom of base 5 using welding, it can also be installed in the bottom of bottom plate 6 using bolt etc.

[0033] Refer to Figure 3As a specific embodiment of the present application, the moving assembly 2 comprises a fixed plate 21, a side plate 22, an electric push rod 23, a limiting shaft 24, a roller 25, a first movable sprocket 26 and a chain 27. The side plate 22 is fixed to the side wall of the fixed plate 21, and both side plates 22 are arranged to adhere to the surface of the horizontal plate 3. One side plate 22 is fixedly connected to the horizontal plate 3, and the other side plate 22 is slidably connected to the horizontal plate 3. The electric push rod 23 is installed on the surface of the horizontal plate 3. The electric push rod 23 is symmetrical about the axis of the surface of the horizontal plate 3, and the end of the electric push rod 23 is connected to the side wall of the slidable side plate 22. When the electric push rod 23 is extended or shortened, it drives the side plate 22 to move horizontally along the horizontal plate 3. The limiting shaft 24 is rotatably arranged on the side wall of the fixed plate 21. The number of limiting shafts 24 on the side wall of a single fixed plate 21 is two. The roller 25 is sleeved on the outer periphery of the limiting shaft 24. The first movable sprocket 26 is limitingly and slidably arranged on the limiting shaft 24. The outer periphery of the limiting shaft 24 is provided with a straight groove distributed along the axis direction of the limiting shaft 24. The first movable sprocket 26 is rotatably connected to the connecting rod 11 through a bearing. The end of the connecting rod 11 is in the shape of a cuboid. The end is horizontally and slidably connected to the fixed plate 21, and the end is structurally reinforced. The chain 27 is connected between the first movable sprocket 26 and the flywheel assembly 7.

[0034] With reference to Figure 4 As a specific embodiment of the present application, the control power supply assembly 4 comprises a adhering plate 41, an energy storage battery 42 and an integrated controller 43. The adhering plate 41 is installed on the side wall of the base 5. The energy storage battery 42 is installed on the side wall of the adhering plate 41. The energy storage battery 42 is used to supply power to the electric push rod 23, the integrated controller 43, the eddy current damper 73, the acceleration sensor 9, the tension sensor 103, the laser range finder 105 and the separate electric rod 111, etc. The integrated controller 43 is installed on the surface of the energy storage battery 42. The integrated controller 43 is electrically connected to the acceleration sensor 9. The integrated controller 43 is also electrically connected to the electric push rod 23, the eddy current damper 73, the tension sensor 103, the laser range finder 105 and the separate electric rod 111 through a control circuit.

[0035] With reference to Figure 2 and Figure 5 As a specific embodiment of the present application, the bottom of the base 5 is provided with an L-shaped plate 51. The two ends of the bottom plate 6 are provided with a slot 62 matched with the L-shaped plate 51. The surface of the bottom plate 6 is also provided with a clamping groove 61. Under the action of the L-shaped plate 51 and the slot 62, the distance between the two moving assemblies 2 is adjusted to be slightly greater than the length of the bottom plate 6 in advance. Then, the slot 62 at one end of the bottom plate 6 is inserted into the L-shaped plate 51 at the bottom of one of the bases 5. Then, the other moving assembly 2 is translated to adhere to the other end of the bottom plate 6. The bottom plate 6 can be limitingly placed between the bottoms of the two bases 5.

[0036] With reference to Figure 6, as a specific embodiment of the present application, flywheel assembly 7 includes a vertical plate 71, 72, eddy current damper 73, inertia flywheel 74, limit protrusions 75 and the second movable sprocket 76, two vertical plate 71 parallel installation in the surface of the base plate 6, 72, rotating shaft set between the two vertical plate 71, the rotating shaft 72 through the limit shaft 24 set with vertical plate 71, and through the limit shaft 24 set for the rotating shaft 72 limit, eddy current damper 73 and inertia flywheel 74 are installed on the rotating shaft 72, inertia flywheel 74 limit fixed on the rotating shaft 72 periphery, eddy current damper 73 limit in inertia flywheel 74 side wall, and the eddy current damper 73 and the storage battery 42 electrically connected, the storage battery 42 for the eddy current damper 73 provides power input, limit protrusions 75 integral at the end of the rotating shaft 72, the second movable sprocket 76 inner circumferential limit protrusions 75 adapted to the docking slot, and the second movable sprocket 76 rotating installation in the piston rod end of the separation electric rod 111, separation electric rod 111 shortening control second movable sprocket 76 through with limit protrusions 75 and with rotating shaft 72 relative limit, the second movable sprocket 76 through the chain 27 and the first movable sprocket 26 connection, separation electric rod 111 elongation makes the second movable sprocket 76 and limit protrusions 75 separation, in turn realize the transmission between the rotating shaft 72 and the limit shaft 24 disconnect, at this time the roller 25 rotation no longer for inertia flywheel 74 power input, inertia flywheel 74 keep set speed rotation.

[0037] Referring to Figure 7 , as a specific embodiment of the present application, limit assembly 8 includes a round rod 81 and limit block 82, two limit block 82 is respectively arranged in both ends of the round rod 81, limit block 82 and the card slot 61 are adapted, and the side wall of the limit block 82 is fitted with the corresponding side wall of the base 5, the side wall of the limit block 82 is integrally formed with the first protrusion 821 and the second protrusion 822, the first protrusion 821 and the second protrusion 822 are adapted to the card slot 61, when the limit block 82 is inserted into the card slot 61, the L plate 51 is matched with the butt joint, which not only can limit the axial direction of the base plate 6, but also can avoid the horizontal movement of the base plate 6, and fully guarantee the limiting effect between the base plate 6 and the base 5. In addition, when the test device needs to be disassembled subsequently, the limit block 82 can be separated from the card slot 61 by lifting the round rod 81, then one group of moving assembly 2 is translated to separate from the end of the base plate 6, and the other group of moving assembly 2 is separated from the other end of the base plate 6 by hoisting equipment to stably hoist the base plate 6 and the flywheel assembly 7, so that the base plate 6 can be hoisted and placed.

[0038] Referring to Figure 8As a specific embodiment of the present application, the connecting rod assembly 10 comprises a connecting seat 101, a through rod 102, a tension sensor 103, a rigid rod 104, a laser range finder 105 and a connecting lug 106. The connecting seat 101 is installed on the side wall of the base 5, the rigid rod 104 extends into the connecting seat 101 at one end, the through rod 102 penetrates the connecting seat 101 and the end of the rigid rod 104, the tension sensor 103 is installed between the rigid rod 104 and the connecting seat 101, the laser range finder 105 is installed on the outer periphery of the rigid rod 104, and the connecting rod 11 is installed on the other end of the rigid rod 104. When the running trolley moves the base 5 through the connecting lug 106, the rigid rod 104 and the connecting seat 101, the tension between the running trolley and the base 5 is monitored by the tension sensor 103, the displacement data of the running trolley is monitored by the laser range finder 105, and the monitoring data is fed back to the integrated controller 43.

[0039] Working principle: first, the moving assembly 2 is installed on the steel rail 1, then the base 5, the bottom plate 6 and the like are installed on the moving assembly 2 in turn, then the connecting rod assembly 10 is connected with the running trolley, and the preparation work for the dynamic test of the braking force of the monorail hoist in the coal mine is completed, then the running trolley accelerates through the connecting rod assembly 10 traction device to move, and the moving assembly 2 provides power input for the flywheel assembly 7 during the movement along the steel rail 1, thereby gradually increasing the kinetic energy of the flywheel assembly 7, when the rotating speed of the flywheel assembly 7 reaches the set value, the total kinetic energy of the device is the same as the kinetic energy required by the running trolley to lift the weight, thereby realizing flexible replacement of different weights of the counterweight;

[0040] Specifically, when the rollers 25 move in close contact with the steel rail 1, one of the rollers 25 connected to the limiting shaft 24 drives the second movable sprocket 76 in close contact with the limiting protrusion 75 to rotate through the first movable sprocket 26 and the chain 27, thereby driving the rotating shaft 72 and the inertia flywheel 74 to rotate, when the rotating speed of the inertia flywheel 74 reaches the pre-calculated set value, the integrated controller 43 controls the extension of the separation electric rod 111 through the control circuit, thereby making the second movable sprocket 76 move away from the inertia flywheel 74, and thereby making the second movable sprocket 76 separate from the rotating shaft 72, and the inertia flywheel 74 continues to rotate at a set speed to match the corresponding weight of the counterweight, then the braking system of the running trolley works to brake, when the signal feedback by the acceleration sensor 9 is negative, the integrated controller 43 can complete the braking force test of the running trolley according to the feedback data of the laser range finder 105 and the tension sensor 103 after this time node, combined with the running trolley acceleration value calculated from the subsequent acceleration sensor 9 feedback data;

[0041] When the braking system of the running trolley fails, in order to avoid causing a safety accident, the test personnel sends an emergency braking signal to the integrated controller 43 through the remote controller, the integrated controller 43 timely and positively connects the power supply of the eddy current damper 73, the eddy current damper 73 generates a reverse rotation trend with the inertial flywheel 74, thereby gradually reducing the rotation speed of the inertial flywheel 74, and making the inertial flywheel 74 rotate reversely to force the running trolley to gradually stop.

[0042] While the embodiments of the application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A monorail suspension braking force testing device, applied on a steel guide rail (1), characterized in that: The system includes a moving assembly (2), a horizontal plate (3), a control power supply assembly (4), a base (5), a bottom plate (6), a flywheel assembly (7), a limiting assembly (8), an acceleration sensor (9), a linkage assembly (10), and a connecting rod (11). The acceleration sensor (9) and the linkage assembly (10) are both mounted on the front side of the base (5) located in the forward direction. One end of the connecting rod (11) is limited to sliding against the side wall of one of the moving assemblies (2), and the other end of the connecting rod (11) is connected to the flywheel assembly via a separating electric rod (111). 7) The moving component (2) is connected to the flywheel component (7) in a transmission connection. After the connecting rod component (10) is connected to the running trolley, the moving component (2) is pulled by the running trolley to move along the steel guide rail (1). When the moving component (2) moves, it drives the flywheel component (7) to rotate. The acceleration sensor (9) feeds back the acceleration signal of the running trolley to the control power supply component (4). When the running trolley brakes and decelerates, the control power supply component (4) controls the separation electric rod (111) to extend so that the moving component (2) is separated from the flywheel component (7) in a transmission connection. The moving component (2) includes a fixed plate (21), a side plate (22), an electric push rod (23), a limiting shaft (24), a roller (25), a first movable sprocket (26), and a chain (27). The flywheel assembly (7) includes a vertical plate (71), a rotating shaft (72), an eddy current damper (73), an inertial flywheel (74), a limiting protrusion (75), and a second movable sprocket (76). The two vertical plates (71) are installed parallel to each other on the surface of the base plate (6). The rotating shaft (72) is rotatably disposed between the two vertical plates (71). The eddy current damper (73) and the inertial flywheel (74) are both mounted on the rotating shaft (72). The limiting protrusion (75) is integrally formed on the base plate. At the end of the shaft (72), the inner circumference of the second movable sprocket (76) is provided with a mating groove that matches the limiting protrusion (75), and the second movable sprocket (76) is rotatably mounted on the piston rod end of the separation electric rod (111). When the separation electric rod (111) is shortened, the second movable sprocket (76) is controlled to be relatively limited relative to the shaft (72) by fitting with the limiting protrusion (75). The second movable sprocket (76) is connected to the first movable sprocket (26) through the chain (27).

2. The monorail suspension braking force testing device according to claim 1, characterized in that: The side plate (22) is fixed to the side wall of the fixed plate (21). Both side plates (22) are set to fit against the surface of the horizontal plate (3). One side plate (22) is fixedly connected to the horizontal plate (3), and the other side plate (22) is slidably connected to the horizontal plate (3). The electric push rod (23) is installed on the surface of the horizontal plate (3), and the end of the electric push rod (23) is connected to the side wall of the slidable side plate (22). The limiting shaft (24) is rotatably set on the side wall of the fixed plate (21). The roller (25) is sleeved on the outer circumference of the limiting shaft (24). The first movable sprocket (26) is limited and slidably set on the limiting shaft (24). The chain (27) is connected between the first movable sprocket (26) and the flywheel assembly (7).

3. The monorail suspension braking force testing device according to claim 2, characterized in that: The control power supply component (4) includes a bonding plate (41), an energy storage battery (42) and an integrated controller (43). The bonding plate (41) is mounted on the side wall of the base (5), the energy storage battery (42) is mounted on the side wall of the bonding plate (41), and the integrated controller (43) is mounted on the surface of the energy storage battery (42). The integrated controller (43) is electrically connected to the acceleration sensor (9).

4. The monorail suspension braking force testing device according to claim 3, characterized in that: The bottom of each base (5) is equipped with an L-plate (51), and both ends of the base plate (6) are constructed with a slot (62) that is adapted to the L-plate (51). The surface of the base plate (6) is also constructed with a slot (61).

5. The monorail suspension braking force testing device according to claim 4, characterized in that: The limiting component (8) includes a round rod (81) and a limiting block (82). The two limiting blocks (82) are respectively disposed at both ends of the round rod (81). The limiting blocks (82) are adapted to the slot (61), and the side wall of the limiting block (82) is in contact with the side wall of the corresponding base (5).

6. The monorail suspension braking force testing device according to claim 5, characterized in that: The sidewall of the limiting block (82) is integrally formed with a first protrusion (821) and a second protrusion (822), both of which are adapted to the slot (61).

7. The monorail suspension braking force testing device according to claim 1, characterized in that: The linkage assembly (10) includes a connecting seat (101), a through rod (102), a tension sensor (103), a rigid rod (104), a laser rangefinder (105), and a connecting lug (106). The connecting seat (101) is installed on the side wall of the base (5). One end of the rigid rod (104) extends into the connecting seat (101). The through rod (102) passes through the connecting seat (101) and the end of the rigid rod (104). The tension sensor (103) is installed between the rigid rod (104) and the connecting seat (101). The laser rangefinder (105) is installed on the outer periphery of the rigid rod (104). The connecting rod (11) is installed on the other end of the rigid rod (104).

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