Hydraulic support for underground coal mine
By designing the transmission components and clamping plates of the hydraulic support, the gap problem caused by the top plane support of the hydraulic support in underground coal mines was solved, achieving stable mine support and enhancing the safety and stability of the support.
Patent Information
- Application Number
- CN202520046428.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2035-01-09
AI Technical Summary
In underground coal mines, the top of the hydraulic support is flat, which can easily create gaps when it is pressed against the inside of the coal mine, resulting in poor support stability and a risk of collapse.
A hydraulic support was designed. Through the combined use of a transmission component and a clamping plate, the height of the hydraulic support and the tilt of the clamping plate can be adjusted. The transmission system of worm gear, worm wheel and helical gear ensures that the support can be stably pressed against the inside of the coal mine and fill the support gaps.
It improves the support stability of hydraulic supports, prevents coal mine collapse, enhances the safety and stability of the supports, and adapts to the unevenness of the mine's inner wall.
Smart Images
Figure CN223523759U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of shaft coal mine, concretely to a hydraulic support for shaft coal mine. BACKGROUND
[0002] The shaft coal mine is the area that human beings excavate the roadway to the underground to mine the coal under the condition that the coal seam is buried deep. The mining method has high risk coefficient, and the underground mining currently accounts for 60% of the world coal mine production. Most of the coal mines in China belong to the shaft coal mine, and the mining will cause serious damage to the geological environment, mainly including ground subsidence, water resource loss and pollution, land environment problem and the like.
[0003] The shaft coal mine is used for collecting the coal mine, but the current shaft coal mine needs the hydraulic support for supporting in use, can guarantee that the coal mine is not prone to collapse, the top of the hydraulic support is a plane in use, and a certain gap is generated when the coal mine is tightly supported, and the supporting stability is relatively poor, which is inconvenient for the user to use.
[0004] Therefore, the hydraulic support needs to be designed and reformed, and the phenomenon that the current shaft coal mine needs the hydraulic support for supporting in use, can guarantee that the coal mine is not prone to collapse, the top of the hydraulic support is a plane in use, and a certain gap is generated when the coal mine is tightly supported, and the supporting stability is relatively poor is effectively prevented. UTILITY MODEL CONTENTS
[0005] In order to solve the problems in the above background art, the utility model aims at providing a hydraulic support for shaft coal mine, which has the advantages of convenient stable support, solves the problems that the current shaft coal mine needs the hydraulic support for supporting in use, can guarantee that the coal mine is not prone to collapse, the top of the hydraulic support is a plane in use, and a certain gap is generated when the coal mine is tightly supported, and the supporting stability is relatively poor.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hydraulic support for shaft coal mine, including hydraulic support body, the top of the hydraulic support body is fixedly installed with fixed sleeve, the inside of the fixed sleeve is movably connected with metal rod, the top of the metal rod is fixedly connected with limiting sleeve, the top of the limiting sleeve is fixedly connected with abutting plate, the front surface of the metal rod is provided with transmission assembly.
[0007] As the preferred utility model, the transmission assembly includes worm gear, the worm gear is fixedly connected on the surface of the metal rod, the top of the worm gear is engaged with worm, the right side of the worm is fixedly connected with first helical gear, the front surface of the first helical gear is engaged with second helical gear, the back surface of the second helical gear is fixedly connected with rotary rod.
[0008] As the utility model prefers, the front surface of the rotating rod is fixedly connected with an operation disc, and the front surface of the operation disc is fixedly connected with an operation rod.
[0009] As the utility model prefers, the top of the hydraulic support body is fixedly connected with a support frame, and the support frame is movably connected with the round rod.
[0010] As the utility model prefers, the two sides of the worm surface are movably connected with limiting rods, and the bottom of the limiting rod is fixedly connected to the top of the hydraulic support body.
[0011] As the utility model prefers, the top of the abutting plate is fixedly connected with a conical block, and the conical block is used in cooperation with the abutting block.
[0012] As the utility model prefers, the two sides of the fixing sleeve are fixedly connected with support blocks, and the support blocks are used in cooperation with the bottom of the abutting plate.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] 1、The utility model discloses a height of the hydraulic support body can be adjusted by starting the hydraulic support body, and the mine can be supported, and meanwhile, the user rotates the operation disc, the operation disc drives the rotating rod to rotate, the rotating rod drives the second bevel gear to rotate, the second bevel gear drives the first bevel gear to rotate, the first bevel gear drives the worm to rotate, the worm drives the worm gear to rotate, the worm gear rotates and drives the rotating rod to rotate, the rotating rod drives the limiting sleeve to rotate, the limiting sleeve drives the abutting plate to rotate and adjust the inclination angle, then the inside of the mine can be abuttingly fixed, the hydraulic support body can be stably abutted upwards, the hydraulic support body can reach the effect that the top levelness is conveniently adjusted, the mode that the plane is used for supporting is replaced, so that the support gap can be filled, and the safety is relatively high.
[0015] 2、The transmission assembly can drive the worm, and the normal rotation of the worm can be ensured, and the user can conveniently use. DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic view of the utility model;
[0017] Figure 2 It is a three-dimensional schematic view of the abutting plate of the utility model;
[0018] Figure 3 It is a three-dimensional schematic view of the utility model Figure 2 It is an enlarged schematic view of A in the utility model.
[0019] In the diagram: 1. Hydraulic support body; 2. Fixing sleeve; 3. Metal rod; 4. Limiting sleeve; 5. Clamping plate; 6. Transmission assembly; 61. Worm gear; 62. Worm; 63. First helical gear; 64. Second helical gear; 65. Rotating rod; 7. Control panel; 8. Control lever; 9. Support frame; 10. Limiting rod; 11. Conical block; 12. Support block. 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] like Figures 1 to 3 As shown, the present invention provides a hydraulic support for underground coal mines, including a hydraulic support body 1, a fixing sleeve 2 fixedly installed on the top of the hydraulic support body 1, a metal rod 3 movably connected inside the fixing sleeve 2, a limit sleeve 4 fixedly connected to the top of the metal rod 3, a clamping plate 5 fixedly connected to the top of the limit sleeve 4, and a transmission assembly 6 provided on the front of the metal rod 3.
[0022] refer to Figure 3 The transmission assembly 6 includes a worm gear 61, which is fixedly connected to the surface of the metal rod 3. A worm 62 is meshed on the top of the worm gear 61. A first helical gear 63 is fixedly connected to the right side of the worm 62. A second helical gear 64 is meshed on the front side of the first helical gear 63. A rotating rod 65 is fixedly connected to the back side of the second helical gear 64.
[0023] As a technical optimization of this utility model, the transmission component 6 can transmit power to the worm gear 62, ensuring the normal rotation of the worm gear 62 and making it convenient for users to use.
[0024] refer to Figure 3 An operating panel 7 is fixedly connected to the front of the rotating rod 65, and an operating lever 8 is fixedly connected to the front of the operating panel 7.
[0025] As a technical optimization of this utility model, the operation panel 7 allows the round rod to be rotated, ensuring normal rotation of the round rod, providing strong safety and ease of use for the user.
[0026] refer to Figure 3 The top of the hydraulic support body 1 is fixedly connected to a support frame 9, and the support frame 9 is movably connected to a round rod.
[0027] As a technical optimization scheme of the utility model, through the setting of the support frame 9, the round rod can be limited, the functionality of the round rod is effectively improved, the phenomenon of the round rod shaking is not prone to occur, the safety is relatively strong, and the user is convenient to use.
[0028] Reference Figure 3 Both sides of the surface of the worm 62 are movably connected with the limiting rods 10, and the bottom of the limiting rod 10 is fixedly connected to the top of the hydraulic support body 1.
[0029] As a technical optimization scheme of the utility model, through the setting of the limiting rod 10, the worm 62 can be limited, the normal operation of the worm 62 can be ensured, the safety is relatively strong, the rotation is stable, and the user is convenient to use.
[0030] Reference Figure 2 The top of the abutting plate 5 is fixedly connected with the conical block 11, and the conical block 11 is used in cooperation with the abutting block.
[0031] As a technical optimization scheme of the utility model, through the setting of the conical block 11, the uneven places of the inner wall of the mine can be abutted, the stability of the hydraulic support body 1 can be ensured, and the user is convenient to use.
[0032] Reference Figure 2 Both sides of the fixed sleeve 2 are fixedly connected with the support blocks 12, and the support blocks 12 are used in cooperation with the bottom of the abutting plate 5.
[0033] As a technical optimization scheme of the utility model, through the setting of the support block 12, the two sides of the fixed sleeve 2 can be uniformly limited and supported, the safety is relatively strong, and the user is convenient to use.
[0034] The working principle and use process of the utility model are as follows: when the user needs to stably support the top of the hydraulic support body 1, the user starts the hydraulic support body 1 to adjust the height of the hydraulic support body 1, the mine can be supported, meanwhile, the user rotates the operation disc 7, the operation disc 7 drives the rotating rod 65 to rotate, the rotating rod 65 drives the second bevel gear 64 to rotate, the second bevel gear 64 drives the first bevel gear 63 to rotate, the first bevel gear 63 drives the worm 62 to rotate, the worm 62 drives the worm wheel 61 to rotate, the rotation of the worm wheel 61 drives the rotating rod 65 to rotate, the rotating rod 65 drives the limiting sleeve 4 to rotate, the limiting sleeve 4 drives the abutting plate 5 to rotate and adjust the inclination angle, then the inside of the mine can be abutted and fixed, the upward stable abutment of the hydraulic support body 1 can be ensured, so that the stable effect is achieved.
[0035] In summary: the hydraulic support for underground coal mine, through the cooperation of hydraulic support body 1, fixed sleeve 2, metal rod 3, limiting sleeve 4, abutting plate 5, transmission assembly 6, worm wheel 61, worm 62, first helical gear 63, second helical gear 64 and rotating rod 65, solves the problem that the current underground coal mine needs to use hydraulic support for support, which can ensure that the coal mine is not prone to collapse, and the top of the hydraulic support is a plane, which can produce a certain gap when supporting the inside of the coal mine, and the support stability is poor.
[0036] It should be noted that in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A hydraulic support for a coal mine, comprising a hydraulic support body (1), characterised in that: The top of the hydraulic support body (1) is fixedly provided with a fixed sleeve (2), the inner part of the fixed sleeve (2) is movably connected with a metal rod (3), the top of the metal rod (3) is fixedly connected with a limiting sleeve (4), the top of the limiting sleeve (4) is fixedly connected with an abutting plate (5), and the front face of the metal rod (3) is provided with a transmission assembly (6).
2. A hydraulic support for use in an underground coal mine as claimed in claim 1 wherein: The transmission assembly (6) comprises a worm wheel (61), the worm wheel (61) is fixedly connected to the surface of the metal rod (3), the top of the worm wheel (61) is engaged with a worm (62), the right side of the worm (62) is fixedly connected with a first bevel gear (63), the front face of the first bevel gear (63) is engaged with a second bevel gear (64), and the back face of the second bevel gear (64) is fixedly connected with a rotating rod (65).
3. A hydraulic support for use in an underground coal mine as claimed in claim 2 wherein: The front face of the rotating rod (65) is fixedly connected with an operation disc (7), and the front face of the operation disc (7) is fixedly connected with an operation rod (8).
4. A hydraulic support for use in an underground coal mine as claimed in claim 1 wherein: The top of the hydraulic support body (1) is fixedly connected with a support frame (9), and the support frame (9) is movably connected with a round rod.
5. A hydraulic support for use in an underground coal mine as claimed in claim 2 wherein: The two sides of the surface of the worm (62) are movably provided with limiting rods (10), and the bottom of the limiting rod (10) is fixedly connected to the top of the hydraulic support body (1).
6. A hydraulic support for use in an underground coal mine as claimed in claim 1 wherein: The top of the abutting plate (5) is fixedly connected with a conical block (11), and the conical block (11) is used in cooperation with the abutting block.
7. A hydraulic support for use in an underground coal mine as claimed in claim 1 wherein: The two sides of the fixed sleeve (2) are fixedly connected with supporting blocks (12), and the supporting blocks (12) are used in cooperation with the bottom of the abutting plate (5).