Braking torque detection device for elevator drum brake

Abstract

The utility model discloses an elevator drum brake braking torque detection device, and belongs to the field of brake detection. Comprising an adjusting assembly, a clamping assembly arranged on the front portion of the adjusting assembly and a brake body detachably installed on the clamping assembly. A portable braking performance tester is mounted outside the brake main body; the clamping assembly comprises two clamping strips which are symmetrically arranged up and down; two groups of grooves are oppositely formed in the opposite sides of the two clamping strips; a clamping mechanism is arranged in each groove; according to the brake torque detection device for the elevator drum brake, when the brake main body is clamped and positioned, the position of the clamping assembly can be adjusted through the adjusting assembly, so that the requirement of the clamping assembly for clamping the brake main body is met, the whole process can be operated by one person, and the brake torque detection device is simpler to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to an elevator drum brake braking torque detection device belongs to brake detection field. BACKGROUND

[0002] The elevator drum brake braking torque detection device is a kind of equipment specially used to measure the brake torque generated by elevator drum brake in braking process, and its main function is to ensure that elevator can be safely and reliably stopped during operation, by accurately detecting brake torque, it is judged whether brake can provide enough braking force to prevent elevator car accidental movement, guarantee the life safety of passenger and normal operation of elevator equipment, but the existing electromagnetic brake detection device needs multiple people to cooperate when detecting, and it is inconvenient to operate.

[0003] Chinese public patent application No.CN202321553362.4 discloses a kind of electromagnetic brake braking torque detection device, the scheme is powered by distribution box to electromagnetic brake, make the friction plate and brake disc of electromagnetic brake separate, then make driving motor powered by distribution box, the output shaft of driving motor drives the rotation of the main shaft of electromagnetic brake, when the speed reaches the equipment speed of electromagnetic brake work, electromagnetic brake is powered off, the spring of electromagnetic brake is pressed tightly to friction plate and brake disc, friction force is transmitted to pull pressure sensor by lever, and the braking torque of brake can be obtained by multiplying the length of lever with the pressure value of pull pressure sensor, but when detecting, the position of elevator drum brake and braking torque detection device can not be matched, the position between braking torque detection device and elevator drum brake needs to be adjusted during detection, it is more difficult to operate by single person, generally multiple people cooperate to operate.Therefore, in order to solve the above problems, a new elevator drum brake braking torque detection device is urgently needed. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the utility model provides an elevator drum brake braking torque detection device, which can adjust the position of the clamping assembly through the adjusting assembly when clamping and positioning the brake main body, to meet the clamping needs of the clamping assembly to the brake main body, and a single person can operate the whole process, making it easier to use.

[0005] The elevator drum brake braking torque detection device of the utility model, including adjusting assembly, and the clamping assembly of setting in the front of adjusting assembly, and brake main body can be detachably installed on clamping assembly;Brake main body is externally installed with portable brake performance tester;

[0006] Adjusting assembly includes adjusting support, and driving motor is installed on the top of adjusting support, and anti-skid base is fixedly installed on the bottom of adjusting support, and screw rod is installed through the inside of adjusting support;

[0007] The top end of the screw rod is in transmission connection with the output shaft of the driving motor, the bottom end of the screw rod is in rotation connection with the adjusting support, the middle part of the screw rod is in rotation connection with the fixing block, the fixing block is fixedly connected with the inner wall of the adjusting support away from the brake body, and the outer part of the screw rod is further sleeved with two sliders which are symmetrically arranged on the upper and lower ends of the fixing block.

[0008] The middle part of the anti-skid base is fixedly connected with two symmetrically arranged fixing strips.

[0009] The clamping assembly comprises two symmetrically arranged clamping strips, the ends, away from the brake body, of the two clamping strips are fixedly connected with the two sliders respectively, the opposite sides of the two clamping strips are oppositely provided with two groups of grooves, the two groups of grooves are symmetrically arranged at the two ends of the clamping strips, and a clamping mechanism is arranged in each groove.

[0010] The clamping mechanism comprises a fixed clamping block and a movable clamping block which are fixedly and movably arranged in the groove respectively, the fixed clamping block and the movable clamping block are symmetrically arranged, a screw rod is arranged in the groove in a penetrating mode, one end of the screw rod is in threaded connection with the fixed clamping block, the other end of the screw rod penetrates through the movable clamping block and the groove and extends to the outside of the clamping strip, and a knob is fixedly connected with the outer end of the screw rod.

[0011] As a preferred embodiment, the reserved included angle between the two fixing strips is not less than 30°.

[0012] Further, the fixing block and the slider are respectively in threaded connection with the screw rod through a screw sleeve.

[0013] Further, the movable clamping block is in threaded connection with the screw rod.

[0014] Further, the brake body is clamped between the movable clamping block and the fixed clamping block in the two groups of grooves respectively.

[0015] Compared with the prior art, the elevator drum brake torque detection device can adjust the position of the clamping strip in the clamping assembly through the adjusting assembly, can position brake bodies of different sizes, can automatically adjust the position of the clamping strip as required when the adjusting assembly adjusts the position of the clamping strip, can meet the need of the clamping assembly for clamping the brake body, is simple to operate, and can be operated by one person in the whole process; meanwhile, the brake body can be clamped through the cooperation between the parts of the clamping assembly, so that the portable brake performance tester can detect the brake torque of the brake body. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model.

[0017] Figure 2 It is a whole split structure schematic view of the utility model.

[0018] Figure 3 It is the split structure schematic view of the adjusting assembly of the utility model.

[0019] Figure 4 It is the installation structure schematic view of the screw rod in the adjusting assembly of the utility model.

[0020] Figure 5 It is the Figure 3 Enlarged structure schematic view of A place in the middle.

[0021] The components in the drawing are marked as: 1, adjusting assembly; 101, adjusting support; 102, anti-skid base; 103, fixed strip; 104, driving motor; 105, fixed block; 106, screw rod; 107, sliding block; 108, screw sleeve; 2, clamping assembly; 201, clamping strip; 202, fixed clamping block; 203, movable clamping block; 204, screw rod; 205, knob; 3, brake main body; 4, portable brake performance tester. DETAILED DESCRIPTION

[0022] Example 1:

[0023] As Figures 1 to 5 shown in the elevator drum brake braking torque detection device, including adjusting assembly 1, and setting up in the front of adjusting assembly 1 clamping assembly 2, and can be detachably installed on clamping assembly 2 brake main body 3;The brake main body 3 outside is installed with portable brake performance tester 4;

[0024] By dividing the whole detection device into different functional component modules, adjusting assembly 1 is used as the basic support and adjusting part, which provides a stable placement foundation for the whole device, clamping assembly 2 is used to fix brake main body 3, so as to detect the braking torque by using portable brake performance tester subsequently, and each component works together to realize the detection function;

[0025] The adjusting assembly 1 includes adjusting support 101, driving motor 104 installed on the top of adjusting support 101, anti-skid base 102 fixedly installed on the bottom of adjusting support 101, and screw rod 106 installed through the inside of adjusting support 101;Adjusting assembly 1 is connected with anti-skid base 102 and adjusting support 101 by fixed connection;

[0026] The top end of the lead screw 106 is in transmission connection with the output shaft of the driving motor 104, the bottom end of the lead screw 106 is in rotation connection with the adjusting support 101, the middle part of the lead screw 106 is rotationally connected with the fixed block 105, the fixed block 105 is fixedly connected with the inner wall of the adjusting support 101 on the side away from the brake body 3, the fixed block 105 ensures that the lead screw 106 has a certain supporting point in the rotation process, and the rotation of the lead screw 106 is not limited, so that the lead screw 106 does not deviate in the rotation process, two sliding blocks 107 are further sleeved outside the lead screw 106, and the two sliding blocks 107 are symmetrically arranged on the upper and lower ends of the fixed block 105, the fixed block 105 and the sliding block 107 are in threaded connection with the lead screw 106 through the screw sleeve 108, the lead screw 106 can rotate relative to the fixed block 105 through the connection of the screw sleeve 108 and the fixed block 105, so as to play a limiting and guiding role, and the screw sleeve 108 and the sliding block 107 are in fixed connection through the screw sleeve 108, so that the screw sleeve 108 can directly drive the sliding block 107 to move synchronously while the lead screw 106 drives the screw sleeve 108 to move up and down, the purpose of guiding is achieved, and the up-and-down reciprocating movement of the sliding block 107 is realized.

[0027] The middle part of the anti-skid base 102 is fixedly connected with two symmetrically arranged fixed strips 103, and the fixed strips 103 are arranged on the anti-skid base 102 to increase stability.

[0028] The clamping assembly 2 comprises two symmetrically arranged clamping strips 201, the ends, away from the brake body 3, of the two clamping strips 201 are fixedly connected with the two sliding blocks 107 respectively, the clamping strips 201 can move up and down through the sliding blocks 107, so that the brake body 3 at different positions can be approached or distanced, and the clamping strips 201 drive other connected components to move, two groups of grooves are oppositely arranged on the opposite sides of the two clamping strips 201, the two groups of grooves are symmetrically arranged on the two ends of the clamping strips 201, and a clamping mechanism is arranged in each groove.

[0029] The clamping mechanism comprises a fixed clamping block 202 and a movable clamping block 203, the fixed clamping block 202 and the movable clamping block 203 are symmetrically arranged, a screw rod 204 is installed through the groove, one end of the screw rod 204 is in threaded connection with the fixed clamping block 202, the other end of the screw rod 204 penetrates through the movable clamping block 203 and the groove and extends to the outside of the clamping strip 201, the movable clamping block 203 is in threaded connection with the screw rod 204, and a knob 205 is fixedly connected with the outer end of the screw rod 204.

[0030] The brake body 3 is clamped between the movable clamping block 203 and the fixed clamping block 202 in the two groups of grooves.

[0031] The screw rod 204 is connected with the movable clamping block 203 through a threaded connection mode, that is, the surface of the screw rod 204 is threaded, and the inside of the movable clamping block 203 is internally threaded, when the screw rod 204 rotates, the movable clamping block 203 will move axially along the screw rod 204 due to the action of the thread, when the movable clamping block 203 moves under the driving of the screw rod 204, the clamping or loosening operation of the brake main body 3 can be realized by cooperation with the fixed clamping block 202, the relative movement between the two changes the distance between the two, so that the purpose of firmly clamping or loosening the brake main body 3 is achieved, and the two symmetrical clamping strips 201 can provide certain support for the brake main body 3, further improving the clamping effect of the brake main body 3, preventing the brake main body 3 from being too heavy to separate from the movable clamping block 203 and the fixed clamping block 202.

[0032] In still another embodiment, the angle reserved between the two fixed strips 103 is not less than 30°, improving stability.

[0033] The working process of the elevator drum brake torque detection device is as follows:

[0034] Firstly, the elevator drum brake torque detection device is placed in a suitable position close to the elevator drum brake to be detected, ensuring that the anti-skid base 102 is in stable contact with the ground, and the friction force with the ground is further enhanced by the fixed strips 103 to prevent displacement of the device during detection;

[0035] Then, the lower end of the elevator drum brake is preliminarily fixed on the lower clamping strip 201 through the cooperation of the fixed clamping block 202, the movable clamping block 203, the screw rod 204 and the knob 205, and then the driving motor 104 at the top end of the adjusting support 101 is started, the driving motor 104 rotates to drive the fixedly connected lead screw 106 to rotate, the lead screw 106 drives the sliding block 107 to move up and down through the screw sleeve 108, and then drives the two clamping strips 201 to move relatively, when the two clamping strips 201 move to a suitable position of the elevator drum brake, the upper end of the elevator drum brake is fixed on the upper clamping strip 201 through the cooperation of the fixed clamping block 202, the movable clamping block 203, the screw rod 204 and the knob 205, thereby achieving the purpose of positioning the elevator drum brake by single person operation;

[0036] Among them, rotating the knob 205 on the clamping strip 201 can drive the fixedly connected screw rod 204 to rotate, the screw rod 204 can drive the movable clamping block 203 to move axially along the screw rod 204, gradually approaching the fixed clamping block 202, thereby clamping the elevator drum brake main body 3, and relying on the two symmetrical clamping strips 201 to provide additional support, ensuring that the brake main body 3 does not separate from the clamping during detection due to accidental circumstances;

[0037] Finally, the portable brake performance tester is started, the elevator drum brake body 3 fixed by the clamp is detected according to the operation specification, the detection data is recorded, and whether the brake torque of the elevator drum brake meets the requirements is judged according to the relevant standards, after the detection is completed, the clamp on the brake body 3 is loosened by reversely rotating the knob 205, the drive motor 104 is started again to adjust the clamping strip 201 to the initial position, so as to be used next time, and the whole process can be operated by one person, and is convenient to use.

[0038] The above embodiments are only preferred embodiments of the utility model, therefore, equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application range are included in the utility model patent application range.

Claims

1. A device for detecting the braking torque of an elevator drum brake, characterized in that: Including adjusting assembly, and the clamping assembly that sets up in the front of adjusting assembly, and the brake main body that can be detachably installed on clamping assembly, portable brake performance tester is installed outside brake main body; The adjusting assembly includes an adjusting support, a drive motor mounted on the top of the adjusting support, an anti-skid base fixedly installed on the bottom of the adjusting support, and a lead screw installed through the inside of the adjusting support. The top end of the lead screw is in transmission connection with the output shaft of the drive motor, the bottom end of the lead screw is in rotary connection with the adjusting support, the middle part of the lead screw is rotatably connected with a fixed block, the side of the fixed block away from the brake main body is fixedly connected with the inner wall of the adjusting support, and the outside of the lead screw is further sleeved with two sliding blocks which are symmetrically arranged on the upper and lower ends of the fixed block. The middle part of the anti-skid base is fixedly connected with two symmetrically arranged fixed strips. The clamping assembly includes two symmetrically arranged clamping strips, the ends of the two clamping strips away from the brake main body are fixedly connected with the two sliding blocks respectively, the opposite sides of the two clamping strips are respectively provided with two groups of grooves, the two groups of grooves are symmetrically arranged on the two ends of the clamping strips, and a clamping mechanism is arranged in each groove. The clamping mechanism includes a fixed clamping block fixedly installed in the groove and a movable clamping block movably installed in the groove, the fixed clamping block and the movable clamping block are symmetrically arranged, a screw rod is installed through the groove, one end of the screw rod is in threaded connection with the fixed clamping block, the other end of the screw rod passes through the movable clamping block and the groove and extends to the outside of the clamping strip, and the outer end of the screw rod is fixedly connected with a knob.

2. The elevator drum brake torque detection device according to claim 1, characterized in that: The reserved angle between the two fixed strips is not less than 30°.

3. The elevator drum brake torque detection apparatus according to claim 1, characterized by: The fixed block and the sliding block are respectively in threaded connection with the lead screw through a screw sleeve.

4. The elevator drum brake torque detection apparatus according to claim 1, characterized by: The movable clamping block is in threaded connection with the screw rod.

5. The elevator drum brake torque detection apparatus according to claim 1, characterized by: The brake main body is clamped between the movable clamping block and the fixed clamping block in the two groups of grooves.

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