Spring assembly of mining unhooking device

Abstract

The utility model discloses a spring assembly of a mining unhooking device, which comprises a hook and a spring assembly, the spring assembly is arranged on the front surface of the hook, two groups of integral structures formed by the hook and the spring assembly are symmetrically arranged, and the spring assembly comprises a limiting frame, a chute, an abutting rod and a driving rack. The beneficial effects of the utility model are that the rotation of the hook drives the abutting rod to link and pushes the driving rack to slide, and the linkage gear can drive the driven rack to synchronously mesh and link in the sliding process, so that the bidirectional extrusion effect of the reset spring is realized; the single-side compression stroke is increased to multiple times of that of a traditional design, elastic force amplification is achieved under the same space limitation, the elastic requirement for rapid resetting of the hook is effectively met, and through arrangement of the blowing unit, a linkage gear can drive a driving bevel gear to rotate synchronously when rotating and drive a driven bevel gear to be engaged and linked, so that the purpose of rapid resetting of the hook is achieved. And the transmission rod drives the fan blades to rotate.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spring assembly, concretely is a spring assembly of mine unhooking device belongs to spring assembly technical field. BACKGROUND

[0002] Coal mine refers to the place rich in coal resources, is generally divided into pit coal mine and open coal mine, according to the different coalification, can be divided into peat, lignite, bituminous coal and anthracite four categories, and the coal mine is mined, generally needs to cooperate hoisting equipment to the coal of mining and transports, and hoisting equipment often needs to be combined with the hook and be used, currently in order to facilitate the reset of the hook, generally sets up spring assembly in the hook inside.

[0003] However, the existing spring assembly mostly has various problems, for example, in the mine tractor automatic unhooking device and mine tractor disclosed in the public number CN118722757A, although it solves the problem that the hook and the bolt connection cannot be lubricated, which causes the hook and the bolt connection to wear seriously and reduces the service life of the hook and the bolt, but in the technical scheme and most of the current technical schemes, the existing mine tractor unhooking device is limited by the space inside the hook, usually adopts a small spring assembly, which causes the initial spring force design value to be low, this design is difficult to provide sufficient elastic recovery force, affects the hook fast reset efficiency, especially under heavy load working condition, and the spring is prone to metal fatigue in the periodic compression and expansion process, when the spring force is lower than the critical value, the hook cannot be automatically reset. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme is aimed at the technical problem that the prior art solution is too single, provides a solution significantly different from the prior art, specifically, the purpose of the utility model is to solve the above-mentioned shortcomings existing in the prior art, and a spring assembly of mine unhooking device is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A spring assembly of mine unhooking device, comprising a hook and a spring assembly, the spring assembly is arranged on the front surface of the hook, and the whole structure composed of the hook and the spring assembly is symmetrically provided with two groups, the spring assembly comprises a limiting frame, a sliding groove, an abutment rod, a driving rack, a reset unit and a blowing unit.

[0007] The limiting frame is located on the front surface of the hook, the sliding groove is arranged through the back of the limiting frame, one end of the abutting rod is fixed on the hook and is partially slidably connected in the sliding groove, the inside of the limiting frame is provided with a rectangular notch, the driving rack is slidably connected at the bottom of the rectangular notch and has an L-shaped structure, the abutting rod partially slides and abuts against the driving rack, and the reset unit and the blowing unit are arranged in the limiting frame.

[0008] As a further scheme of the utility model: the reset unit includes a driven rack, a linkage gear and a reset spring, the driven rack is slidably connected at the top of the rectangular notch and has an L-shaped structure, the abutting rod abuts against one side of the driving rack, and the driving rack and the driven rack are respectively engaged on the upper and lower sides of the linkage gear, and the reset spring is arranged between the driving rack and the driven rack.

[0009] As a further scheme of the utility model: the blowing unit includes a supporting rod, a transmission rod and a fan blade, the supporting rod is vertically fixed in the limiting frame, the transmission rod is rotatably connected to the supporting rod, and the fan blade is arranged at one end of the transmission rod.

[0010] As a further scheme of the utility model: the blowing unit further includes a driving bevel gear and a driven bevel gear, the driving bevel gear is fixed at the center of one side of the linkage gear, the driven bevel gear is coaxially fixed on the end of the transmission rod away from the fan blade and is engaged with the driving bevel gear.

[0011] As a further scheme of the utility model: a plurality of the overall structures composed of the transmission rod and the fan blade are equidistantly arranged on the supporting rod, and a belt is arranged between the adjacent two transmission rods.

[0012] As a further scheme of the utility model: a roller is rotatably arranged on the outside of the abutting rod, and the roller rolls and abuts against the driving rack.

[0013] The utility model discloses the beneficial effect is:

[0014] In the utility model, the abutting rod is driven to link and push the driving rack to slide through the rotation of the hook, the linkage gear can drive the driven rack to synchronously engage linkage in the process of sliding, thereby realizing the bidirectional extrusion effect of the reset spring, improving the unilateral compression stroke to the multiple of the traditional design, realizing the elastic increase under the same space limitation, effectively solving the elastic demand of the quick reset of the hook, and through the setting of the blowing unit, the driving bevel gear can be driven to rotate synchronously through the rotation of the linkage gear, and the driven bevel gear is engaged and linked, thereby driving the fan blade to rotate through the transmission rod, so that the airflow can be generated in the limiting frame and the dust or impurities adhered to the reset spring are blown. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This utility model Figure 1 Enlarged view at point A;

[0017] Figure 3 This is a schematic diagram of the active rack and pinion connection structure of this utility model;

[0018] Figure 4 This is a schematic diagram of the purging unit structure of this utility model.

[0019] In the diagram: 1. Hook, 2. Spring assembly, 21. Limiting frame, 22. Slide groove, 23. Abutment rod, 24. Driving rack, 25. Driven rack, 26. Linkage gear, 27. Return spring, 28. Support rod, 29. Transmission rod, 210. Fan blade, 211. Driving bevel gear, 212. Driven bevel gear, 213. Belt. Detailed Implementation

[0020] 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.

[0021] Example 1, as Figures 1 to 4 As shown, a spring assembly of a mining unhooking device includes a hook 1 and a spring assembly 2. The spring assembly 2 is disposed on the front surface of the hook 1, and the overall structure formed by the hook 1 and the spring assembly 2 is symmetrically arranged in two sets. The spring assembly 2 includes a limiting frame 21, a sliding groove 22, an abutment rod 23, an active rack 24, a reset unit, and a blowing unit.

[0022] The limiting frame 21 is located on the front surface of the hook 1. The sliding groove 22 is provided through the back of the limiting frame 21. One end of the abutting rod 23 is fixed on the hook 1 and partially slidably engaged in the sliding groove 22. The inside of the limiting frame 21 is provided with a rectangular slot. The active rack 24 is slidably engaged in the bottom of the rectangular slot and has an L-shaped structure. The abutting rod 23 abuts against one side of the active rack 24. The reset unit and the purging unit are both provided inside the limiting frame 21.

[0023] The reset unit includes a driven rack 25, a linkage gear 26, and a reset spring 27. The driven rack 25 is slidably engaged with the top of the rectangular slot and has an L-shaped structure. The linkage gear 26 is rotatably connected at the center. The driving rack 24 and the driven rack 25 are respectively meshed on the upper and lower sides of the linkage gear 26. The reset spring 27 is disposed between the driving rack 24 and the driven rack 25.

[0024] The blowing unit comprises a support rod 28, a transmission rod 29 and a fan blade 210, the support rod 28 is vertically fixed in the limiting frame 21, the transmission rod 29 is rotationally connected to the support rod 28, and the fan blade 210 is arranged at one end of the transmission rod 29;

[0025] The blowing unit further comprises a driving bevel gear 211 and a driven bevel gear 212, the driving bevel gear 211 is fixed at the center of one side of the linkage gear 26, the driven bevel gear 212 is coaxially fixed at one end of the transmission rod 29 away from the fan blade 210 and is in meshing connection with the driving bevel gear 211.

[0026] It should be noted that the hooks 1 in the technical solution are rotationally connected to the external fixing plate, and a notch is formed in the fixing plate, and two adjacent hooks 1 are symmetrically arranged in the notch, and the whole formed by the two limiting frames 21 is fixedly connected with the fixing plate.

[0027] In the utility model, the rotation of the hooks 1 drives the abutting rod 23 to link and push the driving rack 24 to slide, in the process of sliding, the linkage gear 26 can drive the driven rack 25 to synchronously mesh, thereby realizing the bidirectional extrusion effect of the reset spring 27, improving the unilateral compression stroke to many times of the traditional design, realizing the elastic amplification under the same space limitation, effectively solving the elastic demand of the fast reset of the hook, and through the arrangement of the blowing unit, the linkage gear 26 can drive the driving bevel gear 211 to synchronously rotate when rotating, and the driven bevel gear 212 is meshed and linked, and then the fan blade 210 is driven to rotate through the transmission rod 29, so that the airflow can be generated in the limiting frame 21 and the dust or impurities adhered to the reset spring 27 can be blown away.

[0028] In the embodiment two, as shown in the drawings, in addition to comprising all the technical features in the embodiment one, the embodiment two further comprises: Figures 1 to 4

[0029] The whole structure composed of the transmission rod 29 and the fan blade 210 is equidistantly arranged on the support rod 28, and a belt 213 is arranged between two adjacent transmission rods 29, so that the plurality of transmission rods 29 can synchronously rotate through the belt 213.

[0030] A roller is rotationally arranged outside the abutting rod 23, the roller is in rolling abutment with the driving rack 24, and the abrasion of the abutting rod 23 is reduced through the rotation of the roller.

[0031] ​In the working of the spring assembly, the rotation of the hook 1 drives the abutting rod 23 to slide in the sliding groove 22, and pushes the driving rack 24 to move, in the sliding process, the driving gear 26 drives the driven rack 25 to synchronously mesh, thereby realizing the bidirectional extrusion effect on the reset spring 27, and at the same time, the driving gear 26 drives the driving bevel gear 211 to synchronously rotate, and drives the driven bevel gear 212 to mesh, thereby driving the fan blade 210 to rotate through the transmission rod 29, so that the airflow can be generated in the limiting frame 21 and the dust or impurities adhered on the reset spring 27 can be blown away.

[0032] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be regarded as limiting the claims to which they relate.

[0033] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A spring assembly of a mine uncoupling device, comprising a hook (1) and a spring assembly (2), characterized in that, The spring assembly (2) is arranged on the front surface of the hook (1), and the hook (1) and the spring assembly (2) are symmetrically arranged in two groups, the spring assembly (2) comprises a limiting frame (21), a sliding groove (22), an abutting rod (23), a driving rack (24), a reset unit and a blowing unit. The limiting frame (21) is located on the front surface of the hook (1), the sliding groove (22) is arranged through the back of the limiting frame (21), one end of the abutting rod (23) is fixed on the hook (1), and part of the abutting rod (23) is slidingly connected in the sliding groove (22), the inside of the limiting frame (21) is provided with a rectangular notch, the driving rack (24) is slidingly connected at the bottom of the rectangular notch and has an L-shaped structure, the abutting rod (23) abuts on one side of the driving rack (24), and the reset unit and the blowing unit are arranged in the limiting frame (21).

2. A spring assembly for a mine unhooking device according to claim 1, characterised in that: The reset unit comprises a driven rack (25), a linkage gear (26) and a reset spring (27), the driven rack (25) is slidingly connected at the top of the rectangular notch and has an L-shaped structure, the linkage gear (26) is rotatably connected at the center, the driving rack (24) and the driven rack (25) are respectively engaged on the upper and lower sides of the linkage gear (26), and the reset spring (27) is arranged between the driving rack (24) and the driven rack (25).

3. A spring assembly for a mine unhooking device according to claim 2, characterised in that: The blowing unit comprises a supporting rod (28), a transmission rod (29) and a fan blade (210), the supporting rod (28) is vertically fixed in the limiting frame (21), the transmission rod (29) is rotatably connected to the supporting rod (28), and the fan blade (210) is arranged at one end of the transmission rod (29).

4. A spring assembly for a mine unhooking device according to claim 3, characterised in that: The blowing unit further comprises a driving bevel gear (211) and a driven bevel gear (212), the driving bevel gear (211) is fixed at the center of one side of the linkage gear (26), the driven bevel gear (212) is coaxially fixed on the end of the transmission rod (29) away from the fan blade (210), and is engaged with the driving bevel gear (211).

5. A spring assembly for a mine unhooking device according to claim 3, characterised in that: The transmission rod (29) and the fan blade (210) are arranged at equal intervals on the supporting rod (28), and a belt (213) is arranged between the adjacent two transmission rods (29).

6. A spring assembly for a mine unhooking device according to claim 1 or 5, characterised in that: The abutting rod (23) is rotatably sleeved with a roller, and the roller is in rolling abutment with the driving rack (24).

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