Automatic unhooking device for mining tractor and mining tractor

Abstract

The invention provides an automatic unhooking device for a mining tractor and a mining tractor, which relate to the technical field of mining tractors and include a connecting component, an automatic unhooking component and a lubricating component; the anti-loosening positioning component is installed on the connecting component, and the anti-loosening positioning component is used to prevent the connecting component from loosening; the pushing component is installed on the connecting component, and the pushing component is used to control the movement of the anti-loosening positioning component; the automatic unhooking component is installed on the top of the connecting component; the lubricating component is installed on the bottom of the connecting component, and the lubricating component is used to lubricate the automatic unhooking component; the lubricating oil in the lubricating micropores A of the invention contacts with two circles of spherical balls and one circle of cylindrical needle rollers, and lubricates the two circles of spherical balls and one circle of cylindrical needle rollers; the problem that the connection between the hook and the bolt cannot be lubricated, resulting in serious wear at the connection between the hook and the bolt, and reducing the service life of the hook and the bolt is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of mining tractors, and more specifically, particularly relates to an automatic unhooking device for a mining tractor and a mining tractor. Background Art

[0002] Mining tractors are the main equipment for mining and transportation in mines. Since the underground working environment of mines contains explosive and flammable mixtures such as gas, methane, and coal dust, most mines in my country have long used "explosion-proof battery electric locomotives" and "overhead line explosion-proof electric locomotives" as traction vehicles for underground transportation.

[0003] The mining tractors currently in use still have the following problems: 1. The hook connection seat is generally connected to the mining tractor by screws, which causes the screws on the hook connection seat to easily loosen after long-term use; 2. Workers usually have to manually unhook the hook, which increases the workers' labor intensity; 3. The connection between the hook and the pin cannot be lubricated, resulting in severe wear at the connection between the hook and the pin, reducing the service life of the hook and the pin. Summary of the invention

[0004] The disclosed embodiments relate to an automatic unhooking device for a mining tractor and a mining tractor, which comprises a connecting component, an anti-loosening positioning component, a pushing component, an automatic unhooking component, a lubricating component and a tractor body; the device can limit four connecting threaded nails to avoid loosening of the four connecting threaded nails; the micro electric cylinder drives the limiting pin to move upward to realize automatic unhooking; the lubricating oil in the lubricating micropore A contacts with two circles of spherical balls and one circle of cylindrical needle rollers, and lubricates the two circles of spherical balls and one circle of cylindrical needle rollers; the problem that the screws are easy to loosen after long-term use, the workers usually have to manually unhook the screws, and the connection between the hook and the pin cannot be lubricated is solved.

[0005] In a first aspect of the present disclosure, an automatic unhooking device for a mining tractor is provided, comprising a connecting assembly, an anti-loosening positioning assembly, a pushing assembly, an automatic unhooking assembly and a lubricating assembly; the anti-loosening positioning assembly is installed on the connecting assembly, and the anti-loosening positioning assembly is used to prevent the connecting assembly from loosening;

[0006] The pushing assembly is installed on the connecting assembly, and the pushing assembly is used to control the movement of the anti-loosening positioning assembly; the automatic hook-off assembly is installed on the top of the connecting assembly; the lubricating assembly is installed on the bottom of the connecting assembly, and the lubricating assembly is used to lubricate the automatic hook-off assembly;

[0007] The connecting assembly comprises: a hook connecting seat and a connecting screw; the front side of the hook connecting seat is provided with four arc-shaped positioning grooves; the connecting screws are provided with four in total, and the four connecting screws are installed on the hook connecting seat;

[0008] The anti-loosening positioning assembly includes: a T-shaped anti-loosening positioning plate; two T-shaped anti-loosening positioning plates are provided, and the two T-shaped anti-loosening positioning plates are slidably installed on the hook connecting seat, and the rear sides of the two T-shaped anti-loosening positioning plates are flush with the front sides of the four connecting threaded nails; the two T-shaped anti-loosening positioning plates are used to limit the four connecting threaded nails to prevent the four connecting threaded nails from loosening.

[0009] In at least some embodiments, the anti-loosening positioning assembly also includes: a reset spring; two hexagonal wrench insertion holes are respectively provided on the two T-shaped anti-loosening positioning plates, and the four hexagonal wrench insertion holes are concentrically arranged with the four connecting threaded nails; there are four reset springs in total, and the outer ends of the four reset springs are fixedly mounted on the two T-shaped anti-loosening positioning plates, and the inner ends of the four reset springs are fixedly mounted on the hook connecting seat.

[0010] In at least some embodiments, the pushing assembly includes: a circular mounting block, a pushing plate and a limiting snap ring A; the circular mounting block is fixedly mounted on the front side of the hook connecting seat; the pushing plate is rotatably mounted on the outside of the circular mounting block, and two driving grooves are provided on the front side of the pushing plate, and the pushing plate is also in contact with the inner ends of two T-shaped anti-loosening positioning plates; there are two limiting snap rings A in total, and the two limiting snap rings A are fixedly mounted on the outside of the circular mounting block, and the inner sides of the two limiting snap rings A are in contact with the pushing plate.

[0011] In at least some embodiments, the pushing assembly also includes: a circular positioning rod, a limiting clamping ring B and a supporting spring A; there are two circular positioning rods, and the two circular positioning rods are slidably installed on the pushing plate; the rear ends of the two circular positioning rods are provided with rounded corners, and the two circular positioning rods are inserted into two arc-shaped positioning grooves on the upper and lower sides; there are two limiting clamping rings B, and the two limiting clamping rings B are fixedly installed on the outside of the two circular positioning rods; there are two supporting springs A, and the two supporting springs A are installed on the outside of the two circular positioning rods, and the two supporting springs A are located between the pushing plate and the two limiting clamping rings B.

[0012] In at least some embodiments, the automatic unhooking assembly includes: a U-shaped mounting frame, a micro electric cylinder and a limit pin; the U-shaped mounting frame is fixedly mounted on the top of the hook connecting seat; the micro electric cylinder is fixedly mounted on the U-shaped mounting frame; the limit pin is fixedly mounted on the output shaft of the micro electric cylinder; the limit pin is provided with a lubrication microhole A, two circles of lubrication microholes B and one circle of lubrication microholes C, and the two circles of lubrication microholes B and one circle of lubrication microholes C are connected to the lubrication microhole A.

[0013] In at least some embodiments, the automatic unhooking assembly also includes: spherical balls and cylindrical roller needles; the spherical balls are provided with two circles, and the two circles of spherical balls are rotatably installed on the limit pins, and the two circles of spherical balls are in contact with two circles of lubricating micropores B; the cylindrical roller needles are provided with one circle, and one circle of cylindrical roller needles are rotatably installed on the limit pins, and one circle of cylindrical roller needles are in contact with one circle of lubricating micropores C.

[0014] In at least some embodiments, the lubrication assembly includes: a mounting plate, a lubricating oil storage shell and a sealing plug; there are two mounting plates in total, and the two mounting plates are fixedly mounted on the bottom of the hook connecting seat; the lubricating oil storage shell is fixedly mounted on the two mounting plates; the sealing plug is threadedly connected to the lubricating oil storage shell.

[0015] In at least some embodiments, the lubrication assembly further includes: a lubrication extrusion plate, a lubrication oil discharge pipe and a support spring B; the lubrication extrusion plate is slidably mounted inside the lubrication oil storage shell; the lubrication oil discharge pipe is fixedly mounted on the lubrication extrusion plate, and the lubrication oil discharge pipe is concentrically arranged with the lubrication micropore A, and the outer diameter of the lubrication oil discharge pipe is the same as the diameter of the lubrication micropore A; the support spring B is mounted on the outside of the lubrication oil discharge pipe, and the support spring B is located below the lubrication extrusion plate.

[0016] In at least some embodiments, the lubrication assembly also includes: a force-bearing disc and a circular reinforcement rod; the force-bearing disc is fixedly installed on the outside of the lubricating oil discharge pipe; there are four circular reinforcement rods in total, and the four circular reinforcement rods are fixedly installed on the bottom of the force-bearing disc, and the bottoms of the four circular reinforcement rods are fixedly connected to the lubrication extrusion plate.

[0017] A mining tractor comprises a tractor body; the automatic unhooking device is installed on the front side of the tractor body.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, when the staff inserts the external two-claw wrench into the two driving grooves and then rotates the external two-claw wrench 90 degrees, the push plate drives the two T-shaped anti-loosening positioning plates to move simultaneously; the setting of the two circular positioning rods plays a positioning role for the rotating push plate, making the push plate more stable after rotation;

[0020] In addition, when the two T-shaped anti-loosening positioning plates move outward, they can limit the four connecting threaded nails and prevent the four connecting threaded nails from loosening; the setting of four reset springs facilitates the reset of the two T-shaped anti-loosening positioning plates, making the four hexagonal wrench insertion holes concentric with the four connecting threaded nails, which is convenient for the installation and disassembly of the hook connecting seat.

[0021] 2. In the present invention, when the output shaft of the micro electric cylinder contracts, the micro electric cylinder drives the limit pin to move upward, thereby realizing automatic unhooking. The arrangement of two circles of spherical balls and one circle of cylindrical needle rollers reduces the wear of the limit pin and increases the service life of the limit pin.

[0022] 3. In the present invention, when the limit pin pushes the force-bearing disc to move downward, the lubricating extrusion plate squeezes the lubricating oil in the lubricating oil storage shell; when the lubricating extrusion plate moves downward, the lubricating oil in the lubricating oil storage shell enters the lubricating micropore A through the lubricating oil discharge pipe; the lubricating oil in the lubricating micropore A contacts two circles of spherical balls and one circle of cylindrical needle rollers, and plays a lubricating role on the two circles of spherical balls and one circle of cylindrical needle rollers;

[0023] In addition, when the limit pin moves upward, the lubrication extrusion plate automatically resets upward under the action of the support spring B. When the lubrication extrusion plate moves upward, excess lubricating oil in the lubrication microholes A, two circles of lubrication microholes B and one circle of lubrication microholes C are sucked into the lubricating oil storage shell through the lubricating oil discharge pipe, avoiding waste of lubricating oil. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0025] The drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0026] In the attached picture:

[0027] Figure 1 It is a three-dimensional structural schematic diagram of the automatic unhooking device of the present invention.

[0028] Figure 2 The present invention Figure 1 Schematic diagram of the bottom perspective structure.

[0029] Figure 3 It is a structural schematic diagram of the connecting component, the anti-loosening positioning component and the pushing component of the present invention.

[0030] Figure 4 The present invention Figure 1 Schematic diagram of the central cut structure.

[0031] Figure 5 The present invention Figure 4 Schematic diagram of the local enlarged structure of area A in the middle.

[0032] Figure 6 It is a structural schematic diagram of the automatic unhooking assembly of the present invention.

[0033] Figure 7 The present invention Figure 6Schematic diagram of the cross-section structure in the BB direction.

[0034] Figure 8 The present invention Figure 6 Schematic diagram of the cross-section structure in the CC direction.

[0035] Fig. 9 The present invention Figure 4 Schematic diagram of the local enlarged structure of area D in the middle.

[0036] Fig.10 It is a schematic structural diagram of the lubrication assembly of the present invention.

[0037] Fig.11 The present invention Figure 4 Schematic diagram of the local enlarged structure of area E in the middle.

[0038] Fig.12 The invention is a schematic structural diagram of a mining tractor and an automatic unhooking device.

[0039] List of reference numerals:

[0040] 1. Connecting assembly; 101. Hook connecting seat; 1011. Arc-shaped positioning groove; 102. Connecting screw;

[0041] 2. Anti-loosening positioning assembly; 201. T-shaped anti-loosening positioning plate; 2011. Hexagonal wrench insertion hole; 202. Reset tension spring;

[0042] 3. Pushing assembly; 301. Circular mounting block; 302. Pushing plate; 3021. Driving groove; 303. Limiting snap ring A; 304. Circular positioning rod; 305. Limiting snap ring B; 306. Support spring A;

[0043] 4. Automatic hook-off assembly; 401. U-shaped mounting frame; 402. Micro electric cylinder; 403. Limiting pin; 4031. Lubricating microhole A; 4032. Lubricating microhole B; 4033. Lubricating microhole C; 404. Spherical ball; 405. Cylindrical needle roller;

[0044] 5. Lubrication assembly; 501. Mounting plate; 502. Lubricating oil storage shell; 503. Sealing plug; 504. Lubricating extrusion plate; 505. Lubricating oil discharge pipe; 506. Support spring B; 507. Forced disc; 508. Round reinforcement rod;

[0045] 6. Tractor body. DETAILED DESCRIPTION

[0046] In order to make the purpose, scheme and advantages of the technical solution of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described in conjunction with the drawings of the specific embodiments of the present invention. Unless otherwise specified, the terms used herein have the usual meanings in the art. The same reference numerals in the drawings represent the same components.

[0047] Example: Please refer to Figures 1 to 12 As shown: The present invention provides an automatic unhooking device for a mining tractor, comprising a connecting component 1, an anti-loosening positioning component 2, a pushing component 3, an automatic unhooking component 4 and a lubricating component 5; the anti-loosening positioning component 2 is installed on the connecting component 1, and the anti-loosening positioning component 2 is used to prevent the connecting component 1 from loosening;

[0048] The pushing component 3 is installed on the connecting component 1, and the pushing component 3 is used to control the movement of the anti-loosening positioning component 2; the automatic hook-off component 4 is installed on the top of the connecting component 1; the lubricating component 5 is installed on the bottom of the connecting component 1, and the lubricating component 5 is used to lubricate the automatic hook-off component 4;

[0049] A mining tractor comprises a tractor body 6; an automatic unhooking device is installed on the front side of the tractor body 6.

[0050] In the present disclosure, Figure 3 and Figure 5 As shown, the connection assembly 1 includes: a hook connection seat 101 and a connection screw nail 102; the front side of the hook connection seat 101 is provided with four arc-shaped positioning grooves 1011; there are four connection screw nails 102 in total, and the four connection screw nails 102 are installed on the hook connection seat 101;

[0051] The anti-loosening positioning assembly 2 includes: a T-shaped anti-loosening positioning plate 201 and a reset tension spring 202; there are two T-shaped anti-loosening positioning plates 201, and the two T-shaped anti-loosening positioning plates 201 are slidably installed on the hook connecting seat 101; two hexagonal wrench insertion holes 2011 are respectively provided on the two T-shaped anti-loosening positioning plates 201, and the four hexagonal wrench insertion holes 2011 are concentrically arranged with the four connecting threaded nails 102, and the rear sides of the two T-shaped anti-loosening positioning plates 201 are flush with the front sides of the four connecting threaded nails 102; there are four reset tension springs 202, and the outer ends of the four reset tension springs 202 are fixedly installed on the two T-shaped anti-loosening positioning plates 201, and the inner ends of the four reset tension springs 202 are fixedly installed on the hook connecting seat 101;

[0052] The pushing component 3 includes: a circular mounting block 301, a pushing plate 302 and a limiting snap ring A303; the circular mounting block 301 is fixedly mounted on the front side of the hook connecting seat 101; the pushing plate 302 is rotatably mounted on the outside of the circular mounting block 301, and two driving grooves 3021 are provided on the front side of the pushing plate 302, and the pushing plate 302 is also in contact with the inner ends of the two T-shaped anti-loosening positioning plates 201; there are two limiting snap rings A303, and the two limiting snap rings A303 are fixedly mounted on the outside of the circular mounting block 301, and the inner sides of the two limiting snap rings A303 are in contact with the pushing plate 302; the pushing component 3 also includes: a circular positioning rod 304, a limiting snap ring Ring B305 and support spring A306; there are two circular positioning rods 304, and the two circular positioning rods 304 are slidably installed on the pushing plate 302; the rear ends of the two circular positioning rods 304 are provided with rounded corners, and the two circular positioning rods 304 are inserted into the two arc-shaped positioning grooves 1011 on the upper and lower sides; there are two limiting snap rings B305, and the two limiting snap rings B305 are fixedly installed on the outside of the two circular positioning rods 304; there are two support springs A306, and the two support springs A306 are installed on the outside of the two circular positioning rods 304, and the two support springs A306 are located between the pushing plate 302 and the two limiting snap rings B305;

[0053] The specific function is as follows: because the pushing plate 302 is rotatably mounted on the outside of the circular mounting block 301, and two driving grooves 3021 are provided on the front side of the pushing plate 302, and the pushing plate 302 is also in contact with the inner ends of the two T-shaped anti-loosening positioning plates 201, when the staff inserts the external two-claw wrench into the two driving grooves 3021 and then rotates the external two-claw wrench ninety degrees, the pushing plate 302 drives the two T-shaped anti-loosening positioning plates 201 to move at the same time, and because the two circular positioning rods 304 are slidably mounted on the pushing plate 302, and the rear ends of the two circular positioning rods 304 are provided with rounded corners, and the two circular positioning rods 304 are inserted into the two arc-shaped positioning grooves 1011 on the upper and lower sides, the rotating pushing plate 302 is positioned, so that the pushing plate 302 is more stable after rotation;

[0054] Because the rear sides of the two T-shaped anti-loosening positioning plates 201 are flush with the front sides of the four connecting threaded nails 102, when the two T-shaped anti-loosening positioning plates 201 move outward, they can limit the four connecting threaded nails 102 and prevent the four connecting threaded nails 102 from loosening. Moreover, because the outer ends of the four reset springs 202 are fixedly mounted on the two T-shaped anti-loosening positioning plates 201 and the inner ends of the four reset springs 202 are fixedly mounted on the hook connecting seat 101, it is convenient to reset the two T-shaped anti-loosening positioning plates 201, so that the four hexagonal wrench insertion holes 2011 are concentric with the four connecting threaded nails 102, which facilitates the installation and disassembly of the hook connecting seat 101.

[0055] In the present disclosure, Figures 6 to 9 As shown, the automatic unhooking component 4 includes: a U-shaped mounting frame 401, a micro electric cylinder 402 and a limit pin 403; the U-shaped mounting frame 401 is fixedly mounted on the top of the hook connecting seat 101; the micro electric cylinder 402 is fixedly mounted on the U-shaped mounting frame 401; the limit pin 403 is fixedly mounted on the output shaft of the micro electric cylinder 402; the limit pin 403 is provided with a lubricating micro hole A4031, two circles of lubricating micro holes B4032 and one circle of lubricating micro holes C4033, and the two circles of lubricating micro holes B4032 and one circle of lubricating micro holes The hole C4033 is connected to the lubricating micro-hole A4031; the automatic hook-off assembly 4 further includes: a spherical ball 404 and a cylindrical needle roller 405; the spherical ball 404 is provided with two circles, and the two circles of spherical ball 404 are rotatably mounted on the limit pin 403, and the two circles of spherical ball 404 are in contact with the two circles of lubricating micro-holes B4032; the cylindrical needle roller 405 is provided with one circle, and one circle of cylindrical needle roller 405 is rotatably mounted on the limit pin 403, and one circle of cylindrical needle roller 405 is in contact with one circle of lubricating micro-holes C4033;

[0056] Its specific function is as follows: since the limit pin 403 is fixedly mounted on the output shaft of the micro electric cylinder 402, when the output shaft of the micro electric cylinder 402 contracts, the micro electric cylinder 402 drives the limit pin 403 to move upward, thereby realizing automatic unhooking; and since two circles of spherical balls 404 are rotatably mounted on the limit pin 403, and one circle of cylindrical needle rollers 405 are rotatably mounted on the limit pin 403, the wear of the limit pin 403 is reduced, and the service life of the limit pin 403 is increased.

[0057] In the present disclosure, Fig.10 and Fig.11As shown, the lubrication assembly 5 includes: a mounting plate 501, a lubricating oil storage shell 502 and a sealing plug 503; there are two mounting plates 501, and the two mounting plates 501 are fixedly installed at the bottom of the hook connection seat 101; the lubricating oil storage shell 502 is fixedly installed on the two mounting plates 501; the sealing plug 503 is threadedly connected to the lubricating oil storage shell 502; the lubrication assembly 5 also includes: a lubricating squeeze plate 504, a lubricating oil discharge pipe 505 and a support spring B506; the lubricating squeeze plate 504 is slidably installed inside the lubricating oil storage shell 502; the lubricating oil discharge pipe 505 is fixedly installed on the lubricating squeeze plate 504, and the lubricating oil discharge pipe 505 The tube 505 is concentrically arranged with the lubricating micropore A4031, and the outer diameter of the lubricating oil discharge tube 505 is the same as the diameter of the lubricating micropore A4031; the support spring B506 is installed on the outside of the lubricating oil discharge tube 505, and the support spring B506 is located below the lubricating extrusion plate 504; the lubricating assembly 5 also includes: a force-bearing disc 507 and a circular reinforcement rod 508; the force-bearing disc 507 is fixedly installed on the outside of the lubricating oil discharge tube 505; there are four circular reinforcement rods 508, and the four circular reinforcement rods 508 are fixedly installed on the bottom of the force-bearing disc 507, and the bottoms of the four circular reinforcement rods 508 are fixedly connected to the lubricating extrusion plate 504;

[0058] Its specific function is as follows: since the force-bearing disc 507 is fixedly mounted on the outside of the lubricating oil discharge pipe 505, and four circular reinforcing rods 508 are fixedly mounted on the bottom of the force-bearing disc 507, and the bottoms of the four circular reinforcing rods 508 are fixedly connected to the lubricating extrusion plate 504, when the limit pin 403 pushes the force-bearing disc 507 to move downward, the lubricating extrusion plate 504 squeezes the lubricating oil in the lubricating oil storage shell 502; when the lubricating extrusion plate 504 moves downward, the lubricating oil in the lubricating oil storage shell 502 enters the lubricating micropore A4031 through the lubricating oil discharge pipe 505, and since the limit pin 403 is provided with lubricating micropore A4031, two circles of lubricating micropores B4032 and one circle of lubricating micropores C4033, 33, and the two circles of lubricating micropores B4032 and the one circle of lubricating micropores C4033 are connected with the lubricating micropores A4031, so that the lubricating oil in the lubricating micropores A4031 contacts with the two circles of spherical balls 404 and the one circle of cylindrical needle rollers 405, and plays a lubricating role for the two circles of spherical balls 404 and the one circle of cylindrical needle rollers 405; when the limit pin 403 moves upward, the lubricating squeeze plate 504 automatically resets upward under the action of the supporting spring B506, and when the lubricating squeeze plate 504 moves upward, the excess lubricating oil in the lubricating micropores A4031, the two circles of lubricating micropores B4032 and the one circle of lubricating micropores C4033 are sucked into the lubricating oil storage shell 502 through the lubricating oil discharge pipe 505, thereby avoiding the waste of lubricating oil.

[0059] The specific usage and function of this embodiment are as follows:

[0060] When the present invention is used, the staff first connects the four connecting threaded nails 102 to the mining tractor through the hexagonal wrench, and then the staff inserts the external two-claw wrench into the two driving grooves 3021, and then rotates the external two-claw wrench ninety degrees. At this time, the pushing plate 302 drives the two T-shaped anti-loosening positioning plates 201 to move at the same time. The setting of the two circular positioning rods 304 plays a positioning role for the rotating pushing plate 302, making the pushing plate 302 more stable after rotation; when the two T-shaped anti-loosening positioning plates 201 move outward, the four hexagonal wrench insertion holes 2011 are misaligned with the four connecting threaded nails 102. At this time, the rear sides of the two T-shaped anti-loosening positioning plates 201 are The front sides of the four connecting threaded nails 102 are in contact, and the four connecting threaded nails 102 will not move under the blocking effect of the two T-shaped anti-loosening positioning plates 201, which plays a limiting role on the four connecting threaded nails 102 and prevents the four connecting threaded nails 102 from loosening; when unhooking is required, the staff starts the micro electric cylinder 402, and when the output shaft of the micro electric cylinder 402 contracts, the micro electric cylinder 402 drives the limit pin 403 to move upward, so that the limit pin 403 is separated from the hook, and then the staff slightly moves the tractor body 6. At this time, the hook moves to the outside of the hook connecting seat 101, realizing automatic unhooking; when the limit pin 403 pushes the force disc 507 to move downward When the limit pin 403 moves upward, the lubricating squeeze plate 504 squeezes the lubricating oil in the lubricating oil storage shell 502; when the lubricating squeeze plate 504 moves downward, the lubricating oil in the lubricating oil storage shell 502 enters the lubricating micropore A4031 through the lubricating oil discharge pipe 505; the lubricating oil in the lubricating micropore A4031 contacts with two circles of spherical balls 404 and one circle of cylindrical needle rollers 405, and lubricates the two circles of spherical balls 404 and one circle of cylindrical needle rollers 405; when the limit pin 403 moves upward, the lubricating squeeze plate 504 automatically resets upward under the action of the supporting spring B506, and when the lubricating squeeze plate 504 moves upward, the lubricating micropores A4031, the two circles of lubricating micropores B The excess lubricating oil in 4032 and a circle of lubricating micropores C4033 is sucked into the lubricating oil storage shell 502 through the lubricating oil discharge pipe 505, avoiding the waste of lubricating oil; when a hook is needed, the staff places the hook in the hook connecting seat 101, and then starts the micro electric cylinder 402 to extend the output shaft of the micro electric cylinder 402. At this time, the micro electric cylinder 402 drives the limit pin 403 to move downward, so that the limit pin 403 is inserted into the hook; when lubricating oil needs to be added, the staff unscrews the sealing plug 503 with a hexagonal wrench, and then adds the lubricating oil into the lubricating oil storage shell 502 through a syringe. After the filling is completed, the sealing plug 503 is reset with a hexagonal wrench.

[0061] In this article, there are a few points to note:

[0062] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0063] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0064] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An automatic unhooking device for a mining tractor, comprising a connecting component (1), an anti-loosening positioning component (2), a pushing component (3), an automatic unhooking component (4) and a lubricating component (5); characterized in that: The anti-loosening positioning component (2) is mounted on the connecting component (1), and the anti-loosening positioning component (2) is used to prevent the connecting component (1) from loosening; The pushing component (3) is mounted on the connecting component (1), and the pushing component (3) is used to control the movement of the anti-loosening positioning component (2); the automatic hook-off component (4) is mounted on the top of the connecting component (1); the lubricating component (5) is mounted on the bottom of the connecting component (1), and the lubricating component (5) is used to lubricate the automatic hook-off component (4); The connection assembly (1) comprises: a hook connection seat (101) and a connection screw nail (102); four arc-shaped positioning grooves (1011) are provided on the front side of the hook connection seat (101); there are four connection screw nails (102) in total, and the four connection screw nails (102) are installed on the hook connection seat (101); The anti-loosening positioning assembly (2) comprises: a T-shaped anti-loosening positioning plate (201); a total of two T-shaped anti-loosening positioning plates (201) are provided, and the two T-shaped anti-loosening positioning plates (201) are slidably mounted on the hook connection seat (101), and the rear sides of the two T-shaped anti-loosening positioning plates (201) are flush with the front sides of the four connecting threaded nails (102); the two T-shaped anti-loosening positioning plates (201) are used to limit the four connecting threaded nails (102) to prevent the four connecting threaded nails (102) from loosening; two hexagonal wrench insertion holes (211) are respectively provided on the two T-shaped anti-loosening positioning plates (201), and the four hexagonal wrench insertion holes (211) are concentrically arranged with the four connecting threaded nails (102); The pushing assembly (3) comprises: a circular mounting block (301) and a pushing plate (302); the circular mounting block (301) is fixedly mounted on the front side of the hook connection seat (101); the pushing plate (302) is rotatably mounted on the outside of the circular mounting block (301), and the front side of the pushing plate (302) is provided with two driving grooves (3021), and the pushing plate (302) is also in contact with the inner ends of two T-shaped anti-loosening positioning plates (201); when the pushing plate (302) drives the two T-shaped anti-loosening positioning plates (201) to move outward at the same time, the four hexagonal wrench insertion holes (2011) are misaligned with the four connecting screws (102), and the rear sides of the two T-shaped anti-loosening positioning plates (201) are in contact with the front sides of the four connecting screws (102).

2. The automatic unhooking device for a mining tractor according to claim 1 is characterized in that: The anti-loosening positioning assembly (2) further comprises: a reset tension spring (202); a total of four reset tension springs (202) are provided, and the outer ends of the four reset tension springs (202) are fixedly mounted on the two T-shaped anti-loosening positioning plates (201), and the inner ends of the four reset tension springs (202) are fixedly mounted on the hook connection seat (101).

3. The automatic unhooking device for a mining tractor according to claim 2 is characterized in that: The pushing assembly (3) further comprises: a limiting snap ring A (303); two limiting snap rings A (303) are provided in total, and the two limiting snap rings A (303) are fixedly mounted on the outside of the circular mounting block (301), and the inner sides of the two limiting snap rings A (303) are in contact with the pushing plate (302).

4. The automatic unhooking device for a mining tractor according to claim 3 is characterized in that: The pushing assembly (3) further comprises: a circular positioning rod (304), a limiting snap ring B (305) and a supporting spring A (306); two circular positioning rods (304) are provided, and the two circular positioning rods (304) are slidably mounted on the pushing plate (302); the rear ends of the two circular positioning rods (304) are provided with rounded corners, and the two circular positioning rods (304) are inserted into two arc-shaped positioning grooves (1011) on the upper and lower sides; two limiting snap rings B (305) are provided, and the two limiting snap rings B (305) are fixedly mounted on the outside of the two circular positioning rods (304); two supporting springs A (306) are provided, and the two supporting springs A (306) are mounted on the outside of the two circular positioning rods (304), and the two supporting springs A (306) are located between the pushing plate (302) and the two limiting snap rings B (305).

5. The automatic unhooking device for a mining tractor according to claim 1 is characterized in that: The automatic hook-off assembly (4) comprises: a U-shaped mounting frame (401), a micro electric cylinder (402) and a limit pin (403); the U-shaped mounting frame (401) is fixedly mounted on the top of the hook connection seat (101); the micro electric cylinder (402) is fixedly mounted on the U-shaped mounting frame (401); the limit pin (403) is fixedly mounted on the output shaft of the micro electric cylinder (402); the limit pin (403) is provided with a lubricating micro hole A (4031), two circles of lubricating micro holes B (4032) and a circle of lubricating micro holes C (4033), and the two circles of lubricating micro holes B (4032) and the one circle of lubricating micro holes C (4033) are connected to the lubricating micro holes A (4031).

6. The automatic unhooking device for a mining tractor according to claim 5, characterized in that: The automatic hook-off assembly (4) further comprises: spherical balls (404) and cylindrical needle rollers (405); the spherical balls (404) are provided with two circles in total, and the two circles of spherical balls (404) are rotatably mounted on the limit pin (403), and the two circles of spherical balls (404) are in contact with two circles of lubricating micro-holes B (4032); the cylindrical needle rollers (405) are provided with one circle in total, and the one circle of cylindrical needle rollers (405) are rotatably mounted on the limit pin (403), and the one circle of cylindrical needle rollers (405) are in contact with the one circle of lubricating micro-holes C (4033).

7. The automatic unhooking device for a mining tractor according to claim 5 is characterized in that: The lubrication assembly (5) comprises: a mounting plate (501), a lubricating oil storage shell (502) and a sealing plug (503); two mounting plates (501) are provided, and the two mounting plates (501) are fixedly mounted on the bottom of the hook connection seat (101); the lubricating oil storage shell (502) is fixedly mounted on the two mounting plates (501); and the sealing plug (503) is threadedly connected to the lubricating oil storage shell (502).

8. The automatic unhooking device for a mining tractor according to claim 7 is characterized in that: The lubrication assembly (5) further comprises: a lubrication extrusion plate (504), a lubrication oil discharge pipe (505) and a support spring B (506); the lubrication extrusion plate (504) is slidably mounted inside the lubrication oil storage shell (502); the lubrication oil discharge pipe (505) is fixedly mounted on the lubrication extrusion plate (504), the lubrication oil discharge pipe (505) is concentrically arranged with the lubrication micropore A (4031), and the outer diameter of the lubrication oil discharge pipe (505) is the same as the diameter of the lubrication micropore A (4031); the support spring B (506) is mounted outside the lubrication oil discharge pipe (505), and the support spring B (506) is located below the lubrication extrusion plate (504).

9. The automatic unhooking device for a mining tractor according to claim 8, characterized in that: The lubrication assembly (5) further comprises: a force-bearing disc (507) and a circular reinforcement rod (508); the force-bearing disc (507) is fixedly mounted on the outside of the lubricating oil discharge pipe (505); a total of four circular reinforcement rods (508) are provided, and the four circular reinforcement rods (508) are fixedly mounted on the bottom of the force-bearing disc (507), and the bottoms of the four circular reinforcement rods (508) are fixedly connected to the lubrication extrusion plate (504).

10. A mining tractor, comprising a tractor body (6); characterized in that: It also comprises an automatic unhooking device for a mining tractor according to any one of claims 1 to 9, wherein the automatic unhooking device is installed on the front side of the tractor body (6).

Images