Brake clearance detection device for mining elevator

Abstract

The utility model discloses a mining elevator brake clearance detection device, which belongs to the technical field of mining equipment and is characterized in that a non-contact displacement sensor is mounted on a mounting plate and is connected with a detection box through a lead. According to the utility model, through the arrangement of the sucker bracket, the telescopic rod and the mounting plate, the non-contact displacement sensor can be mounted on the brake cylinder through the sucker bracket during use, the surface of the brake cylinder does not need to be perforated and tapped, and the use is simpler and more convenient; the height of the non-contact displacement sensor can be adjusted, so that the non-contact displacement sensor can be suitable for brake shoes of various sizes during use, through arrangement of a touch display screen, a warning lamp, a voice broadcaster and a programmable controller, detected gap data can be broadcasted and displayed during use, and the brake shoe gap detection device is convenient to use. And meanwhile, alarm reminding can be carried out under the condition that the brake-shoe clearance is abnormal.

Description

Technical Field

[0001] The utility model relates to a gate gap detection device, in particular to a gate gap detection device for a mine hoist, and belongs to the technical field of mine equipment. Background Art

[0002] The hoist is the main hoisting equipment in the mine, and the mine hoist braking system is an important component that determines whether the hoist can safely carry out the transportation task. For the hoist braking system, the gate clearance is a quantity that must be paid special attention to, because if the brake shoe gap is too large, it will inevitably lead to braking lag and a long idle time, which poses a certain threat to the safety of coal mine production. During the use of the hoist, it is necessary to detect the gap between the gate disc and the brake shoe. A mine hoist gate clearance monitoring device disclosed in the application number CN201822090218.7, the utility model includes a sensor assembly, a junction box, a programmable controller, an industrial computer and a fault indicator light, each of the cylinders of the brake cylinder is provided with a sensor assembly, the sensor assembly includes a sensor bracket and a non-contact displacement sensor arranged on the sensor bracket, the probe of the non-contact displacement sensor is facing the side of the brake shoe on the corresponding brake cylinder away from the brake disc, all non-contact displacement sensors are connected to the junction box, the junction box, the industrial computer and the fault indicator light are connected to the programmable controller. The non-contact displacement sensor of the utility model senses the displacement distance of the brake shoe to calculate the gap between the brake disc and the brake shoe. When the gap is greater than the set value, the fault indicator light will light up to indicate the fault, and the brake gap can be digitally displayed by the industrial computer. When the above application is used, the sensor is installed on the brake cylinder through a fixed bracket. During installation, the cylinder needs to be drilled and tapped, which is not convenient for installation.

[0003] Aiming at the problem that the sensor in the above application is installed on the brake cylinder through a fixed bracket during use, and the cylinder needs to be drilled and tapped during installation, which is inconvenient for installation, the utility model proposes a new solution. Utility Model Content

[0004] The main purpose of the utility model is to solve the deficiencies of the prior art and provide a mine hoist gate gap detection device.

[0005] The purpose of the utility model can be achieved by adopting the following technical solutions:

[0006] A mine hoist gate gap detection device, wherein a non-contact displacement sensor is installed on the mounting plate, the non-contact displacement sensor is connected to a detection box via a wire, the detection box comprises a box body, a programmable controller connected to the wire is installed inside the box body, a touch display screen is installed on the front of the box body, a warning light installed on the front of the box body is provided above the touch display screen, and a voice announcer installed on the front of the box body is provided on one side of the warning light.

[0007] Furthermore, the telescopic rod includes a sleeve installed on the top of the suction cup bracket.

[0008] Furthermore, a sliding rod is slidably installed inside the sleeve, and a fixing screw is threadedly connected to the side wall of the sleeve.

[0009] Furthermore, the mounting plate is provided with a mounting hole that cooperates with the non-contact displacement sensor.

[0010] Furthermore, the non-contact displacement sensor passes through the mounting plate through the mounting hole, and the non-contact displacement sensor is fixedly mounted on the mounting plate through two nuts located on both sides of the mounting plate.

[0011] Furthermore, a first connecting seat is fixedly mounted on one side of the mounting plate, and a second connecting seat is fixedly mounted on the other side of the mounting plate.

[0012] Furthermore, the inner side of the first connecting seat is threadedly connected to a first protective shell located on the outer side of the non-contact displacement sensor.

[0013] Furthermore, the inner side of the second connecting seat is threadedly connected to a second protective shell located on the outer side of the non-contact displacement sensor.

[0014] Furthermore, the first protective shell is provided with a first through hole which cooperates with the non-contact displacement sensor.

[0015] Furthermore, the second protective shell is provided with a second through hole which cooperates with the wire.

[0016] Beneficial technical effects of the utility model: According to the mine hoist gate gap detection device of the utility model, through the setting of the suction cup bracket, the telescopic rod and the mounting plate, the non-contact displacement sensor can be installed on the brake cylinder through the suction cup bracket when in use, and there is no need to drill holes and tap on the surface of the brake cylinder, which makes it simpler and more convenient to use. Moreover, through the setting of the telescopic rod, the height of the non-contact displacement sensor can also be adjusted so that it can be suitable for brake shoes of various sizes when in use. Through the setting of the touch display screen, the warning light, the voice announcer and the programmable controller, the detected gap data can be broadcast and displayed during use, and an alarm can also be issued when the brake shoe gap is abnormal. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of installation according to a preferred embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of a preferred embodiment provided by the utility model;

[0019] Figure 3 A schematic diagram of the suction cup bracket structure according to a preferred embodiment of the utility model;

[0020] Figure 4 A schematic diagram of the structure of a mounting plate according to a preferred embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the first protective shell structure according to a preferred embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of a second protective shell according to a preferred embodiment of the present utility model;

[0023] Figure 7 The figure is a schematic diagram of the internal structure of a box according to a preferred embodiment of the present invention.

[0024] In the figure: 1. brake disc; 2. brake cylinder; 3. brake shoe; 4. suction cup bracket; 5. non-contact displacement sensor; 6. wire; 7. box; 8. touch screen; 9. warning light; 10. voice announcer; 11. telescopic rod; 12. mounting plate; 13. first protective shell; 14. second protective shell; 15. first connecting seat; 16. second connecting seat; 17. nut; 18. mounting hole; 19. first through hole; 20. second through hole; 21. programmable controller; 111. sleeve; 112. slide rod; 113. fixing screw. DETAILED DESCRIPTION

[0025] In order to make the technical solution of the present invention more clear and specific to those skilled in the art, the present invention is further described in detail below in conjunction with embodiments and drawings, but the implementation methods of the present invention are not limited thereto.

[0026] like Figure 1-Figure 7 As shown, the mine hoist gate gap detection device provided in this embodiment includes a brake disc 1, a brake cylinder 2 and a brake shoe 3. A suction cup bracket 4 is installed on the brake cylinder 2, a telescopic rod 11 is installed on the top of the suction cup bracket 4, a mounting plate 12 is installed on the top of the telescopic rod 11, a non-contact displacement sensor 5 is installed on the mounting plate 12, and the non-contact displacement sensor 5 is connected to a detection box through a wire 6. The detection box includes a box body 7, a programmable controller 21 connected to the wire 6 is installed inside the box body 7, a touch display screen 8 is installed on the front of the box body 7, a warning light 9 installed on the front of the box body 7 is provided above the touch display screen 8, and a voice announcer 10 installed on the front of the box body 7 is provided on one side of the warning light 9. By setting the suction cup bracket 4, the telescopic rod 11 and the mounting plate 12, the non-contact displacement sensor 5 can be installed on the brake cylinder 2 through the suction cup bracket 4 when in use, without the need to drill holes and tap on the surface of the brake cylinder 2, which makes it easier and more convenient to use. Moreover, by setting the telescopic rod 11, the height of the non-contact displacement sensor 5 can be adjusted so that it can be suitable for brake shoes 3 of various sizes when in use. By setting the touch display screen 8, the warning light 9, the voice announcer 10 and the programmable controller 21, the detected gap data can be broadcast and displayed during use, and an alarm can also be issued in the event of an abnormal brake shoe gap.

[0027] The model of the non-contact displacement sensor 5 is MN18-08DLH, the model of the programmable controller 21 is H3U-1616MT-XP, and the model of the touch display screen 88 is TPC1570Gi.

[0028] The telescopic rod 11 includes a sleeve 111 installed on the top of the suction cup bracket 4, a sliding rod 112 is slidably installed inside the sleeve 111, and a fixing screw 113 is threadedly connected to the side wall of the sleeve 111. When in use, the protruding length of the sliding rod 112 inside the sleeve 111 can be adjusted, thereby adjusting the length of the telescopic rod 11. By setting the fixing screw 113, the sliding rod 112 can be pressed and fixed after the adjustment is completed.

[0029] The mounting plate 12 is provided with a mounting hole 18 that cooperates with the non-contact displacement sensor 5. The non-contact displacement sensor 5 passes through the mounting plate 12 through the mounting hole 18. The non-contact displacement sensor 5 is fixedly mounted on the mounting plate 12 by two nuts 17 located on both sides of the mounting plate 12. Through the arrangement of the mounting plate 12 and the nuts 17, the non-contact displacement sensor 5 can be conveniently mounted on the mounting plate 12.

[0030] A first connecting seat 15 is fixedly installed on one side of the mounting plate 12, and a second connecting seat 16 is fixedly installed on the other side of the mounting plate 12. The inner side of the first connecting seat 15 is threadedly connected to the first protective shell 13 located on the outer side of the non-contact displacement sensor 5, and the inner side of the second connecting seat 16 is threadedly connected to the second protective shell 14 located on the outer side of the non-contact displacement sensor 5. The first protective shell 13 is provided with a first through hole 19 that cooperates with the non-contact displacement sensor 5, and the second protective shell 14 is provided with a second through hole 20 that cooperates with the wire 6. The non-contact displacement sensor 5 can be protected by the arrangement of the first connecting seat 15 and the second connecting seat 16. The installation of the first protective shell 13 and the second protective shell 14 can be facilitated. The arrangement of the first through hole 19 can facilitate the non-contact displacement sensor 5 to pass through the first protective shell 13, and the arrangement of the second through hole 20 can facilitate the wire 6 to pass through the second protective shell 14.

[0031] In this embodiment, if Figure 1-Figure 7 As shown, the working process of a mine hoist gate gap detection device provided in this embodiment is as follows:

[0032] During the detection, the values ​​of the opening position and the holding position of the brake shoe 3 are detected by the non-contact displacement sensor 5, and the signal is transmitted to the programmable controller 21 through the wire 6. The programmable controller 21 calculates the gap value between the brake shoe 3 and the brake disc 1, and then transmits the calculated data to the touch screen 8 for display. During the detection process, when the detected gap value exceeds the set gap value, the touch screen 8 and the voice announcer 10 will alarm to remind the staff.

[0033] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the scope disclosed by the present invention according to the technical solution and concept of the present invention, which fall within the protection scope of the present invention.

Claims

1. A mine hoist brake gap detection device, comprising a brake disc (1), a brake cylinder (2) and a brake shoe (3), characterized in that: The brake oil cylinder (2) is provided with a suction cup bracket (4), a telescopic rod (11) is provided on the top of the suction cup bracket (4), a mounting plate (12) is provided on the top of the telescopic rod (11), a non-contact displacement sensor (5) is provided on the mounting plate (12), the non-contact displacement sensor (5) is connected to a detection box via a wire (6), the detection box comprises a box body (7), a programmable controller (21) connected to the wire (6) is provided inside the box body (7), a touch screen (8) is provided on the front of the box body (7), a warning light (9) is provided above the touch screen (8) and is installed on the front of the box body (7), and a voice announcer (10) is provided on one side of the warning light (9) and is installed on the front of the box body (7).

2. A mine hoist gate gap detection device as claimed in claim 1, characterized in that: The telescopic rod (11) comprises a sleeve (111) mounted on the top of the suction cup bracket (4).

3. A mine hoist gate gap detection device as claimed in claim 2, characterized in that: A sliding rod (112) is slidably mounted inside the sleeve (111), and a fixing screw (113) is threadedly connected to the side wall of the sleeve (111).

4. A mine hoist gate gap detection device as claimed in claim 1, characterized in that: The mounting plate (12) is provided with a mounting hole (18) that cooperates with the non-contact displacement sensor (5).

5. A mine hoist gate gap detection device as claimed in claim 4, characterized in that: The non-contact displacement sensor (5) passes through the mounting plate (12) through the mounting hole (18); the non-contact displacement sensor (5) is fixedly mounted on the mounting plate (12) via two nuts (17) located on both sides of the mounting plate (12).

6. A mine hoist gate gap detection device as claimed in claim 1, characterized in that: A first connection seat (15) is fixedly mounted on one side of the mounting plate (12), and a second connection seat (16) is fixedly mounted on the other side of the mounting plate (12).

7. A mine hoist gate gap detection device as claimed in claim 6, characterized in that: The first connecting seat (15) is threadedly connected on its inner side to a first protective shell (13) located on the outer side of the non-contact displacement sensor (5).

8. A mine hoist gate gap detection device as claimed in claim 7, characterized in that: The second connecting seat (16) is threadedly connected on the inner side thereof with a second protective shell (14) located on the outer side of the non-contact displacement sensor (5).

9. A mine hoist gate gap detection device as claimed in claim 8, characterized in that: The first protective shell (13) is provided with a first through hole (19) which cooperates with the non-contact displacement sensor (5).

10. A mine hoist gate gap detection device as claimed in claim 9, characterized in that: The second protective shell (14) is provided with a second through hole (20) which cooperates with the wire (6).

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