Electric braking structure of mining electric locomotive
By designing an electric braking structure for mining locomotives, synchronous transmission is achieved using an explosion-proof motor and transmission chain, combined with buffer rubber blocks and a manual crank handle, solving the safety and convenience issues of underground braking structures in coal mines and meeting the high requirements of smart mines.
Patent Information
- Application Number
- CN202423264903.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2034-12-30
AI Technical Summary
Existing manual braking structures are insufficient to meet the requirements of smart mines, which have harsh underground transportation environments and compact internal structures of locomotives, and cannot achieve safe and stable electric braking.
An electric braking structure for mining locomotives was designed, including an explosion-proof motor, coupling, gearbox, transmission chain, lead screw shaft and brake lever. The braking force is maximized and the safety is buffered through synchronous transmission and buffer rubber blocks. A manual crank handle is provided to ensure convenience.
It improves the safety, reliability, and convenience of the braking device, adapts to underground coal mine conditions, and meets the high requirements of smart mines.
Smart Images

Figure CN223791472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of mine electric locomotive, especially a mine electric locomotive electric brake structure. BACKGROUND
[0002] The wisdom mine is with the mine digitization, informationization as the premise and foundation, carries out the active perception, automatic analysis, fast processing to the mine production, occupation health and safety, technical support and the logistics guarantee etc., constructs the wisdom mine, realizes the construction of safe mine, unmanned mine, efficient mine, clean mine finally.
[0003] The transportation environment of coal mine underground has uneven road surface, internal structure of motor car is compact, and higher motorization requirement is put forward to brake structure, and the existing manual brake structure is difficult to meet the requirement of wisdom mine.
[0004] Therefore, it is necessary to provide a mine electric locomotive electric brake structure to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model provides a mine electric locomotive electric brake structure, solve the transportation environment of coal mine underground is bad, uneven road surface, the internal structure of motor car is compact, under this condition, the traditional manual brake structure is difficult to meet the high requirement of wisdom mine to brake structure problem.
[0006] In order to solve the above technical problems, the utility model provides a mine electric locomotive electric brake structure, comprising:
[0007] The explosion -proof motor is connected with the coupling at the output, one end of the coupling is connected with the speed reducer, one connecting end of the speed reducer is connected with right transmission chain through chain wheel, one end of the right transmission chain is connected with right screw rod box, the inside of right screw rod box is provided with right screw rod axle, the outside surface of right screw rod axle is connected with right transmission part with screw thread, one end of right transmission part is connected with right long pull rod, one end of right long pull rod is rotatably connected with right brake pull rod, one end of right brake pull rod is connected with right brake.
[0008] One connecting end of the speed reducer is connected with left transmission chain through chain wheel, one end of left transmission chain is connected with left screw rod box, the inside of left screw rod box is provided with left screw rod axle, the outside surface of left screw rod axle is connected with left transmission part with screw thread, one end of left transmission part is connected with left long pull rod, one end of left long pull rod is rotatably connected with left brake pull rod, one end of left brake pull rod is connected with left brake.
[0009] Preferably, the opposite side of the right transmission part and the left transmission part is fixedly installed with the buffer rubber block.
[0010] Preferably, one side of the speed reducer is provided with a manual handle.
[0011] Preferably, the manual handle comprises a connecting sleeve connected to the other connecting end of the speed reducer, a connecting head is clamped on the inner side of the connecting sleeve, and a rocker is fixedly installed at one end of the connecting head.
[0012] Preferably, a rotating block is rotatably connected to one end of the rocker, and a handle is rotatably connected to the inner part of the rotating block.
[0013] Preferably, a limiting clamp is fixedly installed on one side of the rocker.
[0014] Preferably, a positioning screw is screw-connected to the inner part of the rocker, and one end of the positioning screw abuts against the inner part of the rotating block.
[0015] Compared with the related art, the electric braking structure of the mine electric locomotive has the following beneficial effects:
[0016] The electric braking structure of the mine electric locomotive can well adapt to the underground working condition of the coal mine, meet the safety and stability requirements, meet the demand of the mine electric locomotive, and improve the safety, reliability and convenience of the braking device. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 FIG. 1 is a structural schematic view of a first embodiment of the electric braking structure of the mine electric locomotive provided by the utility model;
[0018] Figure 2 FIG. 2 is a structural schematic view of a second embodiment of the electric braking structure of the mine electric locomotive provided by the utility model;
[0019] Figure 3 FIG. 3 is a side structural schematic view of the electric braking structure of the mine electric locomotive provided by the utility model. Figure 1
[0020] Reference numerals in the drawing: 1, explosion-proof motor; 2, shaft coupling; 3, speed reducer; 4, right transmission chain; 5, right screw rod box; 6, right screw rod shaft; 7, right transmission member; 8, right long pull rod; 9, right brake pull rod; 10, left brake pull rod; 11, left long pull rod; 12, left transmission member; 13, buffer rubber block; 14, left screw rod shaft; 15, left screw rod box; 16, left transmission chain; 17, manual handle; 18, left brake; 19, right brake;
[0021] 171, connecting sleeve; 172, connecting head; 173, rocker; 174, limiting clamp; 175, rotating block; 176, handle; 177, positioning screw. DETAILED DESCRIPTION
[0022] The utility model will be further described below in combination with the drawings and embodiments.
[0023] First embodiment
[0024] Please refer to Figure 1 Wherein, Figure 1 It is a kind of mine electric locomotive electric brake structure's first embodiment's structure schematic diagram provided by the utility model.A kind of mine electric locomotive electric brake structure, comprising: explosion-proof motor 1, the output end of the explosion-proof motor 1 is connected with shaft coupling 2, one end of the shaft coupling 2 is connected with reduction gearbox 3, one connecting end of the reduction gearbox 3 is connected with right transmission chain 4 by chain wheel, one end of the right transmission chain 4 is connected with right screw rod box 5, the inside of the right screw rod box 5 is provided with right screw rod shaft 6, the outside surface of the right screw rod shaft 6 is threadedly connected with right transmission part 7, one end of the right transmission part 7 is connected with right long pull rod 8, one end of the right long pull rod 8 is rotatably connected with right brake pull rod 9, one end of the right brake pull rod 9 is connected with right brake 19;
[0025] One connecting end of the reduction gearbox 3 is connected with left transmission chain 16 by chain wheel, one end of the left transmission chain 16 is connected with left screw rod box 15, the inside of the left screw rod box 15 is provided with left screw rod shaft 14, the outside surface of the left screw rod shaft 14 is threadedly connected with left transmission part 12, one end of the left transmission part 12 is connected with left long pull rod 11, one end of the left long pull rod 11 is rotatably connected with left brake pull rod 10, one end of the left brake pull rod 10 is connected with left brake 18.
[0026] The opposite side of the right transmission part 7 and the left transmission part 12 is fixedly installed with buffer rubber block 13.
[0027] One side of the reduction gearbox 3 is provided with manual handle 7.
[0028] Explosion-proof motor 1 is synchronously driven by reduction gearbox 3, right transmission chain 4 and left transmission chain 16 to realize that braking system tension and movement stroke on left and right sides are consistent;
[0029] Right transmission chain 4 and left transmission chain 16 drive right screw rod shaft 6 and left screw rod shaft 14 to rotate, realize the linear reciprocating motion of right transmission part 7 and left transmission part 12 by screw transmission, and the activity is smooth;
[0030] Right transmission part 7 and left transmission part 12 are limited by brake caliper when braking, so that braking force is maximized;In the case of releasing brake, buffer by buffer rubber block 13, realize transmission part soft limit to avoid hard impact to cause that friction force of threaded transmission pair is too large, ensure to realize repeated brake.
[0031] The working principle of the electric braking structure of the mine electric locomotive is as follows:
[0032] In view of the compact space structure and the relatively harsh working environment of the mine electric locomotive, the output shaft of the explosion-proof motor 1 drives the shaft coupling 2, the reduction box 3, the right transmission chain 4, the left transmission chain 16, the right screw shaft 6 and the left screw shaft 14 to rotate, so that the right transmission member 7 drives the right long pull rod 8, and the left transmission member 12 drives the left long pull rod 11 to form reciprocating linear motion, and further, the left brake pull rod 10 and the right brake pull rod 9 are synchronously reciprocated, and the reciprocating of the left brake 18 and the right brake 19 realizes the wheel end braking of the electric locomotive, and the manual handle 17 can realize manual braking under the fault condition of the electric braking system, thereby effectively improving the convenience of the braking system and ensuring safety.
[0033] Compared with the related art, the electric braking structure of the mine electric locomotive has the following beneficial effects:
[0034] The electric braking structure device can well adapt to the underground working condition of the coal mine, meet the safety and stability requirements, meet the demand of the mine electric locomotive, and improve the safety, reliability and convenience of the braking device.
[0035] Second embodiment
[0036] Please refer to Figure 2 and Figure 3 , based on the first embodiment of the present application, the second embodiment of the present application provides another electric braking structure of the mine electric locomotive. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.
[0037] Specifically, the difference between the electric braking structure of the mine electric locomotive provided by the second embodiment of the present application is that the electric braking structure of the mine electric locomotive, the manual handle 17 comprises a connecting sleeve 171, the connecting sleeve 171 is connected to the other connecting end of the reduction box 3, the inner side of the connecting sleeve 171 is clamped with a connecting head 172, and one end of the connecting head 172 is fixedly installed with a rocker 173.
[0038] The inner side of one end of the rocker 173 is rotatably connected with a rotating block 175, and the inner side of the rotating block 175 is rotatably connected with a handle 176.
[0039] The rocker 173 is fixedly installed with a limiting clamp 174 on one side.
[0040] The inner side of the rocker 173 is threadedly connected with a positioning screw 177, and one end of the positioning screw 177 abuts against the inner side of the rotating block 175.
[0041] The connecting sleeve 171 is connected with one connecting end of the speed reducer during use, and the inside of the connecting sleeve 171 is square, the connecting head 172 is matched with the inside of the connecting sleeve 171, so that the connecting head 172 can drive the connecting sleeve 171 to rotate.
[0042] The working principle of the mine electric locomotive electric brake structure is as follows:
[0043] During use, when the handle 17 needs to be rotated, the user can rotate the rotating block 175 to rotate the handle 176 to be perpendicular to the rocker 173, and then rotate the positioning screw 177 to abut one end of the positioning screw 177 against the side surface of the rotating block 175, so as to limit the rotating block 175, and then the connecting head 172 is inserted into the inside surface of the connecting sleeve 171, so as to connect the handle 17 and the speed reducer 3, and then the user rotates the handle 176 to drive the rocker 173 to rotate, so as to drive the speed reducer 3 to rotate.
[0044] Compared with the related art, the mine electric locomotive electric brake structure has the following beneficial effects:
[0045] Through the cooperation of the connecting sleeve 171, the connecting head 172, the rocker 173, the limiting clamp 174, the rotating block 175, the handle 176 and the positioning screw 177, after use, the positioning screw 177 is rotated to move one end of the positioning screw 177 away from the rotating block 175, and then the rotating block 175 can be rotated to clamp the handle 176 into the inside surface of the limiting clamp 174, so as to limit the handle 176, thereby facilitating subsequent storage of the user.
[0046] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.
Claims
1. A structure of an electric brake of a mine electric locomotive, characterized by, Include: The explosion-proof motor, the output end of the explosion-proof motor is connected with the shaft coupling, one end of the shaft coupling is connected with the speed reducer, one connecting end of the speed reducer is connected with the right transmission chain through the chain wheel, one end of the right transmission chain is connected with the right screw rod box, the inside of the right screw rod box is provided with the right screw rod shaft, the outer side of the right screw rod shaft is connected with the right transmission part, one end of the right transmission part is connected with the right long pull rod, one end of the right long pull rod is rotatably connected with the right brake pull rod, one end of the right brake pull rod is connected with the right brake; One connecting end of the speed reducer is connected with the left transmission chain through the chain wheel, one end of the left transmission chain is connected with the left screw rod box, the inside of the left screw rod box is provided with the left screw rod shaft, the outer side of the left screw rod shaft is connected with the left transmission part, one end of the left transmission part is connected with the left long pull rod, one end of the left long pull rod is rotatably connected with the left brake pull rod, one end of the left brake pull rod is connected with the left brake.
2. The electric braking structure of the mine electric locomotive according to claim 1, characterized in that, The opposite side of the right transmission part and the left transmission part is fixedly provided with the buffer rubber block.
3. The electric braking structure of the mine electric locomotive according to claim 1, characterized in that, One side of the speed reducer is provided with the manual handle.
4. The electric braking structure of the mine electric locomotive according to claim 3, characterized in that, The manual handle includes the connecting sleeve, the connecting sleeve is connected to the other connecting end of the speed reducer, the inside of the connecting sleeve is connected with the connector, one end of the connector is fixedly provided with the rocker.
5. The electric braking structure of the mine electric locomotive according to claim 4, characterized in that, The inside of one end of the rocker is rotatably connected with the rotating block, the inside of the rotating block is rotatably connected with the handle.
6. The electric braking structure of the mine electric locomotive according to claim 5, characterized in that, One side of the rocker is fixedly provided with the limiting clamp.
7. The electric braking structure of the mine electric locomotive according to claim 6, characterized in that, The inside of the rocker is screw-connected with the positioning screw, one end of the positioning screw abuts against the inside of the rotating block.