Hydraulic support and assembly and disassembly fully-mechanized coal mining equipment

By designing cleaning and auxiliary components for the hydraulic support, the brush strips are driven by the meshing of convex teeth and drive gears to clean the dust and gravel at the connection between the hydraulic cylinder and the support rod, thus solving the problem of increased friction caused by dust accumulation and extending the service life of the hydraulic telescopic rod.

CN223447084UActive Publication Date: 2025-10-17PINGDINGSHAN TIANAN COAL MINING
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Patent Information

Application Number
CN202423244921.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-10-17
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

During coal mining, dust and gravel accumulate at the connection between the hydraulic cylinder and the support rod of the hydraulic telescopic rod, resulting in increased friction and shortening the service life of the hydraulic telescopic rod.

Method used

A hydraulic support was designed, comprising a cleaning component and an auxiliary component. The rotating ring is driven by the meshing of the convex teeth and the drive gear, and the auxiliary gear meshes with the inner ring tooth groove, so that the brush strip cleans at the connection between the hydraulic cylinder and the support rod, avoiding the accumulation of dust and gravel.

Benefits of technology

It effectively cleans dust and gravel from the connection between the hydraulic cylinder and the support rod, extending the service life of the hydraulic support.

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    Figure CN223447084U_ABST
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Abstract

The utility model discloses a hydraulic support and assembly and disassembly fully-mechanized coal mining equipment. The hydraulic support comprises a hydraulic cylinder body, a supporting rod, a cleaning assembly and an auxiliary assembly. A rotating ring is rotatably arranged on the outer wall of the hydraulic cylinder body, convex teeth are annularly and fixedly arranged on the outer wall of the rotating ring, a motor is fixedly arranged on the outer wall of the hydraulic cylinder body, and a driving gear is fixedly arranged at the output end of the motor; the cleaning assembly and the auxiliary assembly are arranged on the hydraulic cylinder body; convex teeth and a driving gear are meshed to enable a rotating ring to rotate, then a fixing rod does circular motion, meanwhile, an auxiliary gear is matched to be meshed with an inner ring tooth groove to achieve the effect that brush strips can rotate while doing circular motion, and then the connecting position of a hydraulic cylinder body and a supporting rod is cleaned; dust and gravel accumulation is prevented from affecting normal use of the hydraulic support telescopic rod, and the service life is prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mining equipment, concretely to a hydraulic support and dismantle fully mechanized mining equipment. BACKGROUND

[0002] The Chinese patent file with the existing announcement number CN217897925U discloses a hydraulic support, the hydraulic support comprises: a base; a support assembly vertically movably arranged above the base, the support assembly comprises a top beam, a shield beam and a balance jack, the top beam and the shield beam are hinged, one end of the balance jack is hinged to the lower surface of the top beam, the other end of the balance jack is hinged to the lower surface of the shield beam; a limiting assembly comprising a fixed seat and a limiting piece, the fixed seat is arranged on one of the top beam and the shield beam, the limiting piece is adjustably arranged in the fixed seat, and the limiting piece has a limiting surface that can limit the end wall of the other of the top beam and the shield beam. Through the technical scheme provided by the application, the problem of damage to the balance jack caused by excessive angle between the top beam and the shield beam in related technology can be solved.

[0003] However, in the above-mentioned scheme and the prior art, the hydraulic support needs to be used in the coal mine installation and dismantling fully mechanized mining complete equipment, and dust and gravel will accumulate at the connection between the hydraulic cylinder body and the support rod of the hydraulic telescopic rod during the coal mining process, increasing the friction during the extension and contraction of the hydraulic telescopic rod and accelerating the wear of the hydraulic telescopic rod.

[0004] Therefore, the utility model provides a hydraulic support and dismantle fully mechanized mining equipment to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a hydraulic support and dismantle fully mechanized mining equipment to solve the problems proposed in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hydraulic support and dismantle fully mechanized mining equipment comprises a hydraulic cylinder body, a support rod, a cleaning assembly and an auxiliary assembly; a swivel is rotatably arranged on the outer wall of the hydraulic cylinder body, a convex tooth is annularly fixedly arranged on the outer wall of the swivel, a motor is fixedly arranged on the outer wall of the hydraulic cylinder body, and a drive gear is fixedly arranged on the output end of the motor; the cleaning assembly and the auxiliary assembly are arranged on the hydraulic cylinder body.

[0007] Preferably, the cleaning assembly comprises a fixed rod, a fixed column, a mounting column, a T-shaped groove, a threaded groove, an arc block, a T-shaped block, a brush strip, a positioning sheet and a threaded hole; the fixed rod is fixedly arranged in an equidistant annular manner on the side wall of the rotating ring, a fixed column is rotatably arranged at the end of the fixed rod, and the fixed column is sleeved with a mounting column; the T-shaped groove is annularly and equidistantly formed on the peripheral wall of the mounting column, and the threaded groove is symmetrically formed on the side wall of the mounting column; the T-shaped block is fixedly arranged on the inner side of the arc block, the brush strip is equidistantly fixed on the outer side of the arc block, the positioning sheet is movably sleeved on the fixed column, and the threaded hole is symmetrically formed on the positioning sheet.

[0008] Preferably, the auxiliary assembly comprises an auxiliary gear, a connecting rod, a fixed ring and an inner ring tooth groove; the auxiliary gear is fixedly arranged at the end of the fixed column, the fixed ring is fixedly arranged on the outer wall of the hydraulic cylinder body through the connecting rod, the fixed ring is sleeved with the supporting rod, and the inner ring tooth groove is formed at the bottom end of the fixed ring.

[0009] Preferably, the hydraulic cylinder body and the supporting rod are mounted to form a hydraulic telescopic rod for a hydraulic support; the protruding teeth and the driving gear are arranged in a corresponding position and have the same number of groups, and the two are meshed.

[0010] Preferably, the T-shaped groove and the T-shaped block are arranged in a corresponding position and have the same number of groups, and the two are embeddedly connected; the inner side of the arc block is clamped with the outer wall of the mounting column, and the positioning sheet is clamped with the arc block and the mounting column.

[0011] Preferably, the threaded groove and the threaded hole are arranged in a corresponding position and have the same number of groups, and the two are fixedly connected through a screw; the brush strip is clamped with the end face of the hydraulic cylinder body and the peripheral wall of the supporting rod.

[0012] Preferably, the auxiliary gear and the inner ring tooth groove are arranged in a corresponding position, and the auxiliary gear is meshed with the inner ring tooth groove.

[0013] A kind of installation and disassembly fully mechanized mining equipment, including the hydraulic support of the one.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The meshing of the protruding teeth and the driving gear makes the rotating ring rotate, and then makes the fixed rod do circular motion, while the meshing of the auxiliary gear and the inner ring tooth groove makes the brush strip self-rotate while doing circular motion, so as to clean the connection between the hydraulic cylinder body and the supporting rod, avoid the accumulation of dust and stones from affecting the normal use of the hydraulic telescopic rod of the hydraulic support, and prolong the service life. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structural schematic diagram of the utility model;

[0017] Figure 2 It is the structural connection schematic diagram of the hydraulic cylinder body of the utility model;

[0018] Figure 3 It is the fixed rod structure connecting plate sectional view of the utility model;

[0019] Figure 4 It is the arc block structure connection schematic view of the utility model;

[0020] Figure 5 It is the fixed ring structure connection schematic view of the utility model.

[0021] In the drawing: hydraulic cylinder body 1, support rod 2, rotating ring 3, convex tooth 4, motor 5, driving gear 6, fixed rod 7, fixed column 8, mounting column 9, T-shaped groove 10, threaded groove 11, arc block 12, T-shaped block 13, brush strip 14, positioning sheet 15, threaded hole 16, auxiliary gear 17, connecting rod 18, fixed ring 19, inner ring tooth groove 20. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below. All other embodiments obtained by the person skilled in the art without making creative labor belong to the protection scope of the utility model.

[0023] Please refer to Figures 1-5 The utility model provides the following three preferred scheme embodiments:

[0024] Embodiment one

[0025] A hydraulic support and dismantle comprehensive mining equipment, including hydraulic cylinder body 1, support rod 2, cleaning assembly and auxiliary assembly, rotatingly arranged with rotating ring 3 on the outer wall of hydraulic cylinder body 1, annularly fixed with convex tooth 4 on the outer wall of rotating ring 3, motor 5 is fixedly arranged on the outer wall of hydraulic cylinder body 1, and driving gear 6 is fixedly arranged on the output end of motor 5, cleaning assembly and auxiliary assembly are arranged on hydraulic cylinder body 1, and hydraulic cylinder body 1 and support rod 2 are installed to constitute hydraulic telescopic rod for hydraulic support, the setting position of convex tooth 4 and driving gear 6 corresponds, and the setting group number is same, and the two are engaged, cleaning assembly includes fixed rod 7, fixed column 8, mounting column 9, T-shaped groove 10, threaded groove 11, arc block 12, T-shaped block 13, brush strip 14, positioning sheet 15 and threaded hole 16, and auxiliary assembly includes auxiliary gear 17, connecting rod 18, fixed ring 19 and inner ring tooth groove 20.

[0026] During use, when the coal mine is installing and dismantling the comprehensive mining equipment for coal mining, dust and gravel will fall into the connection between the hydraulic cylinder body 1 and the support rod 2 in the hydraulic support, and the motor 5 will be activated to drive the convex tooth 4 to rotate. The convex tooth 4 and the driving gear 6 are engaged to rotate the swivel 3, thereby causing the fixed rod 7 to make a circular motion. At the same time, the auxiliary gear 17 is engaged with the inner ring tooth groove 20 to enable the brush bar 14 to rotate while making a circular motion, thereby cleaning the connection between the hydraulic cylinder body 1 and the support rod 2, avoiding the accumulation of dust and gravel that affects the normal use of the telescopic rod of the hydraulic support and extending its service life.

[0027] Example 2, based on Example 1:

[0028] The fixing rod 7 in the cleaning assembly is fixedly arranged in an equidistant ring on the side wall of the swivel 3, and a fixing column 8 is rotatably arranged at the end of the fixing rod 7, and the fixing column 8 is fixedly sleeved with a mounting column 9; a T-shaped groove 10 is equidistantly arranged in an annular shape on the peripheral wall of the mounting column 9, and a threaded groove 11 is symmetrically arranged on the side wall of the mounting column 9; a T-shaped block 13 is fixedly arranged on the inner side of the arc block 12, and a brush strip 14 is fixedly arranged on the outer side of the arc block 12 at equidistant intervals. The positioning piece 15 is movably sleeved on the fixing column 8, and the positioning piece 15 is symmetrically provided with threaded holes 16; the T-shaped groove 10 and the T-shaped block 13 are set in corresponding positions and the same number of groups are set, and the two are embedded; the inner side of the arc block 12 is clamped with the outer wall of the mounting column 9, and the positioning piece 15 is clamped with the arc block 12 and the mounting column 9; the threaded groove 11 and the threaded hole 16 are set in corresponding positions and the same number of groups are set, and the two are fixedly connected by screws; the brush strip 14 is clamped with the end face of the hydraulic cylinder body 1 and the peripheral wall of the support rod 2.

[0029] When in use, move the positioning piece 15 to the end along the fixing column 8, align and insert the T-shaped block 13 into the T-shaped groove 10, so that the arc block 12 is installed in a ring shape on the peripheral wall of the mounting column 9, and then make the positioning piece 15 clamp the arc block 12 and the mounting column 9, and align the screws into the threaded groove 11 and the threaded hole 16 to complete the installation of the brush strip 14. The brush strip 14 can be disassembled and replaced after wear; during coal mining, the motor 5 drives the swivel 3 to rotate, thereby driving the brush strip 14 to make a circular motion around the hydraulic cylinder body 1 to clean the dust and gravel accumulated at the connection between the hydraulic cylinder body 1 and the support rod 2.

[0030] Example 3, based on Example 2:

[0031] The auxiliary gear 17 in the auxiliary component is fixedly set at the end of the fixed column 8, and the fixed ring 19 is fixedly set on the outer wall of the hydraulic cylinder body 1 through the connecting rod 18. The fixed ring 19 is sleeved with the support rod 2, and an inner ring groove 20 is opened at the bottom end of the fixed ring 19; the auxiliary gear 17 and the inner ring groove 20 are set at corresponding positions, and the auxiliary gear 17 is meshed with the inner ring groove 20.

[0032] In use, the brush bar 14 makes circumferential movement around the hydraulic cylinder body 1, and the auxiliary gear 17 at the end of the fixing column 8 is engaged in the inner ring gear slot 20, thereby achieving the fixing column 8 making circumferential movement while driving the fixing column 8 to rotate, i.e. making the mounting column 9 drive the brush bar 14 to rotate, improving the cleaning effect of the brush bar 14 on the connection between the hydraulic cylinder body 1 and the support rod 2.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hydraulic support, characterized in that: The invention comprises a hydraulic cylinder body (1), a support rod (2), a cleaning assembly and an auxiliary assembly; a swivel (3) is rotatably provided on the outer wall of the hydraulic cylinder body (1), a convex tooth (4) is fixedly provided in an annular shape on the outer wall of the swivel (3), a motor (5) is fixedly provided on the outer wall of the hydraulic cylinder body (1), and a driving gear (6) is fixedly provided at the output end of the motor (5); the cleaning assembly and the auxiliary assembly are provided on the hydraulic cylinder body (1).

2. The hydraulic support according to claim 1, characterized in that: The cleaning assembly comprises a fixing rod (7), a fixing column (8), a mounting column (9), a T-shaped groove (10), a threaded groove (11), an arc block (12), a T-shaped block (13), a brush strip (14), a positioning piece (15) and a threaded hole (16); the fixing rod (7) is fixedly arranged in an equidistant annular manner on the side wall of the rotating ring (3); the fixing column (8) is rotatably arranged at the end of the fixing rod (7); the fixing column (8) is fixedly sleeved with the mounting column (9); the T-shaped groove (10) is equidistantly arranged in an annular manner on the peripheral wall of the mounting column (9); the threaded groove (11) is symmetrically arranged on the side wall of the mounting column (9); the T-shaped block (13) is fixedly arranged on the inner side of the arc block (12); the brush strip (14) is fixedly arranged on the outer side of the arc block (12); the positioning piece (15) is movably sleeved on the fixing column (8), and the threaded holes (16) are symmetrically arranged on the positioning piece (15).

3. The hydraulic support according to claim 1, characterized in that: The auxiliary assembly comprises an auxiliary gear (17), a connecting rod (18), a fixed ring (19) and an inner ring tooth groove (20); the auxiliary gear (17) is fixedly arranged at the end of the fixed column (8); the fixed ring (19) is fixedly arranged on the outer wall of the hydraulic cylinder body (1) through the connecting rod (18); the fixed ring (19) is sleeved with the support rod (2); and the bottom end of the fixed ring (19) is provided with an inner ring tooth groove (20).

4. The hydraulic support according to claim 1, characterized in that: The hydraulic cylinder body (1) and the support rod (2) are installed to form a hydraulic telescopic rod for a hydraulic support; the convex teeth (4) and the driving gear (6) are arranged at corresponding positions and in the same number of groups, and the two are meshed.

5. The hydraulic support according to claim 2, characterized in that: The T-shaped slot (10) and the T-shaped block (13) are arranged at corresponding positions and have the same number of groups, and the two are embedded; the inner side of the arc block (12) is clamped with the outer wall of the installation column (9), and the positioning piece (15) is clamped with the arc block (12) and the installation column (9).

6. The hydraulic support according to claim 2, characterized in that: The threaded grooves (11) and the threaded holes (16) are arranged at corresponding positions and have the same number of groups, and are fixedly connected by screws; the brush strips (14) are clamped to the end surface of the hydraulic cylinder body (1) and the peripheral wall of the support rod (2).

7. The hydraulic support according to claim 3, characterized in that: The auxiliary gear (17) and the inner ring tooth groove (20) are arranged at corresponding positions, and the auxiliary gear (17) is meshed with the inner ring tooth groove (20).

8. A fully mechanized mining equipment for installation and disassembly, characterized by: A hydraulic support comprising any one of claims 1 to 7.

Citation Information

Patent Citations

  • Hydraulic support

    CN217897925U