Mining friction type elevator head sheave rotating speed detection device

Abstract

The utility model discloses a rotation speed detection device for a head sheave of a mining friction type elevator, which comprises a fixed bottom plate, a lower tooth-shaped code disc, an upper tooth-shaped code disc, an upper code disc supporting circular ring and a lower code disc supporting circular ring, wherein the front and rear side edges of the lower tooth-shaped code disc, the upper code disc supporting circular ring and the lower code disc supporting circular ring are fixedly connected with first bolt mounting blocks in a protruding manner; and a first bolt block is inserted into the inner wall of the first bolt mounting block in a penetrating manner. According to the mining friction type elevator head sheave rotating speed detection device, a head sheave roller rotating shaft can be clamped and fixed through a lower tooth-shaped code disc, an upper code disc supporting circular ring, an upper tooth-shaped code disc, a lower code disc supporting circular ring and an extrusion cushion block, installation is stable, and the lower tooth-shaped code disc and the upper tooth-shaped code disc can be wrapped and protected through a side protection cover; the rotating speed can be detected through the encoder, the lower tooth-shaped code disc and the upper tooth-shaped code disc, the encoder can be conveniently inserted, disassembled, assembled and used, the encoder can be shielded and protected through the bottom protective cover, the side protective cover and the bottom protective cover can be conveniently and rapidly disassembled, assembled, opened and closed, and use is safer and more convenient.

Description

A device for detecting the rotational speed of the sheave of a mining friction hoist. Technical Field

[0001] This utility model relates to the field of friction hoist sheave speed detection technology, specifically a mining friction hoist sheave speed detection device. Background Technology

[0002] Friction hoist sheave speed monitoring is a crucial aspect of mine safety production. As a vital component, the sheave's speed directly affects the hoisting system's operational status. Real-time monitoring of the sheave's speed allows for the timely detection of abnormal speed conditions, such as overspeed or stall.

[0003] Existing sheave speed issues can lead to overwinding or overunwinding of the hoisting container, causing serious safety accidents; stalling can affect hoisting efficiency and even cause the hoisting system to jam, threatening the lives of underground workers and the normal operation of equipment. Therefore, a mining friction hoist sheave speed detection device is needed to solve the above problems. Summary of the Invention

[0004] The purpose of this utility model is to provide a head sheave speed detection device for a mining friction hoist, in order to solve the problems mentioned in the background art, such as the head sheave overspeed may cause the hoisting container to overwind or overunwind, leading to serious safety accidents; and stall may affect hoisting efficiency, or even cause the hoisting system to jam, threatening the life safety of underground workers and the normal operation of equipment.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mining friction hoist sheave speed detection device, comprising a fixed base plate, side protective covers installed on both sides of the upper end of the fixed base plate, and a wrapping groove formed on the inner wall of the side protective covers; a flipping seat vertically fixedly connected to both sides of the upper end of the fixed base plate, and a flipping block rotatably installed on the inner wall of the flipping seat; a support block vertically fixedly connected to one end of the flipping block, and the other side of the support block fixedly connected to the lower outer side of the side protective cover, and a bottom protective cover vertically fixedly connected to the lower inner side of the side protective cover; a second bolt mounting block protruding and fixedly connected to one side edge of the upper end of the side protective cover, and a second bolt block inserted through and fitted into the inner wall of the second bolt mounting block; a mounting groove vertically fixedly connected to the center of the upper end of the fixed base plate, and positioning slots formed on both sides of the inner wall of the mounting groove; an encoder inserted into the inner wall of the mounting groove, and positioning blocks fixedly connected to both sides of the encoder; the positioning blocks... The encoder is installed by inserting and positioning into the slot. A connecting wire is electrically connected to the lower front end of the encoder, and the connecting wire is inserted into the wire groove. The wire groove is located in the middle of the front side of the mounting slot. Upper toothed code disks are distributed on the inner wall of the mounting slot, and a lower toothed code disk is installed at the lower end of the upper toothed code disk. Upper and lower code disk support rings are installed on the inner walls of the lower and upper toothed code disks. Positioning slots are provided on the lower edges of the upper and upper code disk support rings. Positioning blocks are protruding and fixedly connected to the upper edges of the lower and lower code disk support rings, and these positioning blocks are inserted into the positioning slots. First bolt mounting blocks are protruding and fixedly connected to the front and rear edges of the lower, upper, upper, and lower code disk support rings, and a first bolt block is inserted through the inner wall of the first bolt mounting block. Extrusion pads are fitted and fixedly connected to the inner walls of the upper and lower code disk support rings.

[0006] Preferably, the side protective covers are distributed around the outer walls of the lower and upper toothed code disks via wrapping grooves, and the side protective covers are fixedly installed with bolts via second bolt mounting blocks and second bolt blocks, and the bottom protective cover is distributed around the encoder.

[0007] Preferably, the side protective cover and the bottom protective cover are supported and fixed to the fixed base plate by support blocks, and the side protective cover and the bottom protective cover are flipped and connected to the fixed base plate by flipping blocks and flipping seats.

[0008] Preferably, the lower toothed code disk and the lower code disk support ring are installed in a positioning splicing manner with the upper toothed code disk and the upper code disk support ring through a positioning buckle groove and a positioning buckle block, and the lower toothed code disk and the lower code disk support ring are bolted to the upper toothed code disk and the upper code disk support ring through a first bolt mounting block and a first bolt block.

[0009] Preferably, the encoder is installed by positioning plugs, positioning slots and mounting grooves in a positioning and interlocking manner, and the encoder is vertically distributed with the lower toothed code disk and the upper toothed code disk.

[0010] Preferably, the compression pad is made of semi-circular rubber material, and the compression pad is embedded and fitted with the upper code disk support ring and the lower code disk support ring.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This mining friction hoist sheave speed detection device can clamp and fix the rotating shaft of the sheave drum through a lower toothed code disk, an upper code disk support ring, an upper toothed code disk, a lower code disk support ring, and a compression pad, ensuring stable installation. Furthermore, the lower and upper toothed code disks can be protected by side protective covers. Speed ​​detection can be performed using an encoder connected to the lower and upper toothed code disks, facilitating easy insertion, disassembly, and assembly. The encoder can be protected by a bottom protective cover. Moreover, the side and bottom protective covers are easy to quickly and easily disassemble and open, making it safer and more convenient to use. Attached Figure Description

[0012] Figure 1 is a front view of a mining friction hoist sheave speed detection device according to the present invention.

[0013] Figure 2 is a schematic diagram of the internal structure of a mining friction hoist sheave speed detection device according to this utility model.

[0014] Figure 3 is an enlarged view of point A in Figure 2 of the mining friction hoist head wheel speed detection device of this utility model;

[0015] Figure 4 is an enlarged view of section B in Figure 2 of the mining friction hoist head wheel speed detection device of this utility model;

[0016] Figure 5 is an enlarged view of point C in Figure 2 of the mining friction hoist speed detection device of this utility model;

[0017] Figure 6 is an enlarged view of point D in Figure 2 of the mining friction hoist head wheel speed detection device of this utility model.

[0018] In the diagram: 1. Fixed base plate, 2. Side protective cover, 3. Bottom protective cover, 4. Lower toothed code disk, 5. Upper code disk support ring, 6. Enclosure groove, 7. Upper toothed code disk, 8. Lower code disk support ring, 9. Encoder, 10. Support block, 11. First bolt mounting block, 12. First bolt block, 13. Positioning buckle groove, 14. Positioning buckle block, 15. Second bolt mounting block, 16. Second bolt block, 17. Positioning insert block, 18. Positioning slot, 19. Mounting groove, 20. Connecting wire, 21. Wire groove, 22. Flip block, 23. Flip seat, 24. Extrusion pad block. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please refer to Figures 1-6. This utility model provides a technical solution: a mining friction hoist sheave speed detection device, including a fixed base plate 1, a side protective cover 2, a bottom protective cover 3, a lower toothed code disk 4, an upper code disk support ring 5, a wrapping groove 6, an upper toothed code disk 7, a lower code disk support ring 8, an encoder 9, a support block 10, a first bolt mounting block 11, a first bolt block 12, a positioning buckle groove 13, a positioning buckle block 14, a second bolt mounting block 15, a second bolt block 16, a positioning insert block 17, a positioning slot 18, a mounting groove 19, a connecting wire 20, and a guide wire. The system includes a wire groove 21, a flipping block 22, a flipping seat 23, and a compression pad 24. Side protective covers 2 are installed on both sides of the upper end of the fixed base plate 1. The inner wall of the side protective cover 2 is provided with a wrapping groove 6. The side protective covers 2 are distributed to wrap around the outer walls of the lower toothed code disk 4 and the upper toothed code disk 7 through the wrapping groove 6. The side protective covers 2 are bolted together by the second bolt mounting block 15 and the second bolt block 16. The bottom protective cover 3 is distributed to wrap around the encoder 9. This makes it easy for the side protective covers 2 and the bottom protective cover 3 to wrap around and protect the lower toothed code disk 4, the upper toothed code disk 7 and the encoder 9, making it safer to use.

[0021] The side protective cover 2 and the bottom protective cover 3 are supported and fixed to the fixed base plate 1 by the support block 10. The side protective cover 2 and the bottom protective cover 3 are flipped and connected to the fixed base plate 1 by the flip block 22 and the flip seat 23. This makes it easy to flip and open / close the side protective cover 2 and the bottom protective cover 3, and easy to disassemble and use. The flip seat 23 is vertically fixed to both sides of the upper end of the fixed base plate 1. The flip block 22 is rotatably installed on the inner wall of the flip seat 23. The support block 10 is vertically fixed to one end of the flip block 22. The other side of the support block 10 is fixedly connected to the lower outer side of the side protective cover 2. The bottom protective cover 3 is vertically fixed to the lower inner side of the side protective cover 2. The second bolt mounting block 15 is protruding and fixedly connected to one side of the upper end of the side protective cover 2. The second bolt block 16 is inserted and installed through the inner wall of the second bolt mounting block 15.

[0022] A mounting groove 19 is vertically fixedly connected to the center of the upper end of the fixed base plate 1, and positioning slots 18 are provided on both sides of the inner wall of the mounting groove 19. An encoder 9 is installed by inserting into the inner wall of the mounting groove 19, and positioning blocks 17 are fixedly connected to both sides of the encoder 9. The encoder 9 is installed by positioning and inserting into the mounting groove 19 through the positioning blocks 17 and positioning slots 18. The encoder 9 is vertically distributed with the lower toothed code disk 4 and the upper toothed code disk 7, which makes it easy to position, insert, disassemble, and replace the encoder 9, and facilitates maintenance and replacement.

[0023] The positioning plug 17 is inserted into the positioning slot 18 for installation. The lower front end of the encoder 9 is electrically connected to the connecting wire 20, which is inserted into the wire groove 21. The wire groove 21 is located in the middle of the front side of the mounting groove 19. The inner wall of the mounting groove 6 is covered with upper toothed code disks 7, and a lower toothed code disk 4 is installed at the lower end of the upper toothed code disk 7. The lower toothed code disk 4 and the lower code disk support ring 8 are positioned and spliced ​​with the upper toothed code disk 7 and the upper code disk support ring 5 through the positioning buckle slot 13 and the positioning buckle block 14. The lower toothed code disk 4 and the lower code disk support ring 8 are bolted to the upper toothed code disk 7 and the upper code disk support ring 5 through the first bolt mounting block 11 and the first bolt block 12. This makes the installation of the lower toothed code disk 4 and the lower code disk support ring 8 with the upper toothed code disk 7 and the upper code disk support ring 5 more stable and convenient for disassembly, assembly and replacement.

[0024] The inner walls of the lower toothed code disk 4 and the upper toothed code disk 7 are fitted with an upper code disk support ring 5 and a lower code disk support ring 8. The lower edges of the upper toothed code disk 7 and the upper code disk support ring 5 are provided with positioning grooves 13. The upper edges of the lower toothed code disk 4 and the lower code disk support ring 8 are protruding and fixedly connected with positioning blocks 14, which are inserted into the positioning grooves 13. The front and rear edges of the lower toothed code disk 4, the upper toothed code disk 7, the upper code disk support ring 5, and the lower code disk support ring 8 are protruding... A first bolt mounting block 11 is fixedly connected to the upper gear wheel, and a first bolt block 12 is inserted through the inner wall of the first bolt mounting block 11. A compression pad 24 is fixedly connected to the inner wall of the upper gear wheel support ring 5 and the lower gear wheel support ring 8. The compression pad 24 is made of semi-circular rubber material, and the compression pad 24 is embedded and fitted with the upper gear wheel support ring 5 and the lower gear wheel support ring 8. This makes the compression pad 24 more stable in clamping the rotating shaft of the sheave roller, and safer to use.

[0025] Working principle: When using this mining friction hoist sheave speed detection device, firstly, the upper code plate support ring and the lower code plate support ring 8 of the device are fitted onto the outer wall of the sheave drum rotating shaft and locked in place by the first bolt mounting block 11 and the first bolt block 12, and further secured by the compression pad 24. Then, the lower toothed code plate 4 and the upper toothed code plate 7 are fitted onto the outer wall of the upper code plate support ring and the lower code plate support ring 8, and locked in place by the first bolt mounting block 11 and the first bolt block 12. Next, it is placed on the fixed base plate 1, and then the side protective cover 2 is installed. The bottom protective cover 3 is flipped up by the flipping block 22 and the flipping seat 23, covering the lower toothed code disk 4 and the upper toothed code disk 7, and covering the encoder 9. Then, it is locked and fixed by the second bolt mounting block 15 and the second bolt block 16. When the sheave roller rotates, it can drive the lower toothed code disk 4 and the upper toothed code disk 7 to rotate, thereby detecting the speed through the encoder 9. When the encoder 9 needs to be replaced, it can be quickly disassembled and replaced by the positioning plug 17 and the positioning slot 18. This is the usage process of this mining friction hoist sheave speed detection device.

[0026] Although the present invention 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 invention should be included within the protection scope of the present invention.

Claims

1. A device for detecting the rotational speed of a sheave in a mining friction hoist, comprising a fixed base plate (1), wherein side protective covers (2) are installed on both sides of the upper end of the fixed base plate (1), and the inner wall of the side protective covers (2) is provided with a wrapping groove (6), characterized in that: The upper two sides of the fixed base plate (1) are vertically fixedly connected to a flipping seat (23), and a flipping block (22) is rotatably installed on the inner wall of the flipping seat (23). One end of the flipping block (22) is vertically fixedly connected to a support block (10), and the other side of the support block (10) is fixedly connected to the lower outer side of the side protective cover (2). The lower inner side of the side protective cover (2) is vertically fixedly connected to a bottom protective cover (3). One side edge of the upper end of the side protective cover (2) is protruding and fixedly connected to a second bolt mounting block (15), and the second bolt mounting block (15) is internally fixed to... A second bolt block (16) is inserted through the wall and installed. A mounting groove (19) is vertically fixed at the center of the upper end of the fixed base plate (1). Positioning slots (18) are provided on both sides of the inner wall of the mounting groove (19). An encoder (9) is inserted into the inner wall of the mounting groove (19). Positioning blocks (17) are fixedly connected to both sides of the encoder (9). The positioning blocks (17) are inserted into the positioning slots (18). A connecting wire (20) is electrically connected to the lower front end of the encoder (9). The connecting wire (20) is connected to the wire groove. (21) Insertion and installation, the wire groove (21) is opened at the middle position of the front side of the mounting groove (19), the inner wall of the wrapping groove (6) is distributed with upper toothed code disks (7), and the lower end of the upper toothed code disks (7) is installed with lower toothed code disks (4), the inner walls of the lower toothed code disks (4) and the upper toothed code disks (7) are installed with upper code disk support rings (5) and lower code disk support rings (8), and the lower edge of the upper toothed code disks (7) and the upper code disk support rings (5) is provided with positioning buckle grooves (13), the lower toothed code disks (4) and the lower code disk support rings (8) are provided with positioning buckle grooves (13). 8) A positioning buckle (14) is fixedly connected to the upper edge protruding, and the positioning buckle (14) is inserted into the positioning buckle groove (13). The lower toothed code disk (4), the upper toothed code disk (7), the upper code disk support ring (5) and the lower code disk support ring (8) are fixedly connected to the front and rear edges of the first bolt mounting block (11), and the inner wall of the first bolt mounting block (11) is inserted into the first bolt block (12). The inner walls of the upper code disk support ring (5) and the lower code disk support ring (8) are fixedly connected to the compression pad (24).

2. The device for detecting the rotational speed of a mine friction hoist sheave as described in claim 1, characterized in that: The side protective cover (2) is distributed around the outer walls of the lower toothed code disk (4) and the upper toothed code disk (7) through the wrapping groove (6), and the side protective covers (2) are fixedly installed by the second bolt mounting block (15) and the second bolt block (16). The bottom protective cover (3) is distributed around the encoder (9).

3. The device for detecting the rotational speed of a mine friction hoist sheave as described in claim 2, characterized in that: The side protective cover (2) and the bottom protective cover (3) are supported and fixed to the fixed base plate (1) by the support block (10), and the side protective cover (2) and the bottom protective cover (3) are flipped and connected to the fixed base plate (1) by the flip block (22) and the flip seat (23).

4. The friction hoist head sheave speed detection device for mine according to claim 3, characterized in that: The lower toothed code disk (4) and the lower code disk support ring (8) are installed in a positioning splicing manner with the upper toothed code disk (7) and the upper code disk support ring (5) through the positioning buckle groove (13) and the positioning buckle block (14), and the lower toothed code disk (4) and the lower code disk support ring (8) are fixedly installed with the upper toothed code disk (7) and the upper code disk support ring (5) through the first bolt mounting block (11) and the first bolt block (12).

5. The device for detecting the rotating speed of the head sheave of a mine friction hoist according to claim 4, characterized in that: The encoder (9) is installed by positioning plug (17), positioning slot (18) and mounting slot (19) in a positioning and interlocking manner, and the encoder (9) is vertically distributed with the lower toothed code disk (4) and the upper toothed code disk (7).

6. The device for detecting the rotational speed of a mine friction hoist sheave as described in claim 5, characterized in that: The extrusion pad (24) is made of semi-circular rubber material, and the extrusion pad (24) is embedded and fitted with the upper code plate support ring (5) and the lower code plate support ring (8).

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