Pressing plate fixing mechanism of mining equipment
By designing a press plate fixing mechanism for mining equipment, using the combination of lock bolts, press plate parts and levers, the problem of loose lock bolts caused by vibration of hydraulic support is solved, and the stable fixation of the hydraulic support is achieved.
Patent Information
- Application Number
- CN202422016277.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The hydraulic support will vibrate during mining operations, causing the locking bolts to be loose and the hydraulic support cannot be effectively fixed, which may cause the hydraulic support to tip over.
A press plate fixing mechanism for mining equipment is designed to fix the hydraulic support through locking bolts and pressing piece. The combination of lever, slide chute and telescopic spring is used to prevent the limiting pin from being easily released when vibrating, ensuring the stability of the locking bolts.
It effectively avoids the problem of loosening the lock bolts under vibration, improves the fixing stability of the pressure plate parts to the hydraulic support, and ensures the safety and stability of the hydraulic support.
Smart Images

Figure CN222848234U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of pressing plate fixing, in particular to a pressing plate fixing mechanism for mining equipment. Background Art
[0002] Hydraulic supports are important equipment in mining operations, used to support and fix the goaf to prevent roof collapse. In order to ensure the stability and safety of hydraulic supports during mining operations, it is usually necessary to use a pressure plate and locking bolts to fix them. However, during use, the hydraulic support will vibrate, which can easily cause the locking bolts to loosen, making it impossible for the pressure plate to press the hydraulic support, and then the hydraulic support will fall over. Utility Model Content
[0003] The utility model aims at the deficiencies in the prior art and provides a pressure plate fixing mechanism for mining equipment, which fixes the hydraulic support through the locking bolt and the pressure plate member, and at the same time, the lever is rotated into the slide groove, and the limit pin is pushed out and slides into the through hole under the action of the resilience of the telescopic spring, which limits the locking bolt, and further rotates the lever to the limit groove, which limits the limit pin and prevents the limit pin from easily sliding out of the through hole, so that the locking bolt will not be easily loosened under the action of vibration, thereby improving the fixing stability of the pressure plate member to the hydraulic support.
[0004] In order to solve the problem that the hydraulic support generates vibration, which easily leads to the loosening of the locking bolts, making it impossible for the pressure plate to press the hydraulic support, and then the hydraulic support topples, the utility model solves the problem through the following technical solution.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A mining equipment pressure plate fixing mechanism comprises a pressure plate component, wherein a slidable limit pin is arranged on the pressure plate component, a rectangular brake block is arranged at one end of the limit pin, and a telescopic spring in close contact with the limit pin is arranged inside the pressure plate component.
[0007] Preferably, an embedded plate is provided at the bottom of the pressure plate.
[0008] Preferably, a hydraulic support is provided on the embedded plate.
[0009] Preferably, the hydraulic support is provided with a lug plate for fixing.
[0010] Preferably, a locking bolt is provided on the pressure plate, and a through hole is provided on the locking bolt.
[0011] Preferably, a cavity is provided inside the pressing plate.
[0012] Preferably, a lever is provided on the outer surface of one side of the limiting pin.
[0013] Preferably, a slide groove is provided on the pressure plate member, and a limiting groove connected to the slide groove is provided on the pressure plate member.
[0014] Preferably, braking grooves are provided on both sides of the interior of the pressure plate.
[0015] Preferably, a protrusion is provided at the bottom of the pressure plate, and a guide groove is provided at the top of the embedded plate.
[0016] Compared with the prior art, the utility model has the following beneficial effects:
[0017] The utility model provides a pressure plate fixing mechanism for mining equipment, which fixes the hydraulic support through the locking bolt and the pressure plate part, and at the same time, the lever is rotated into the slide groove, and the limit pin is pushed out and slides into the through hole under the action of the resilience of the telescopic spring, which plays a limiting role on the locking bolt, and the lever is further rotated to the limit groove, which plays a limiting role on the limit pin, so as to prevent the limit pin from easily sliding out of the through hole, so that the locking bolt will not be easily loosened under the action of vibration, thereby improving the fixing stability of the pressure plate part to the hydraulic support. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the embedded plate structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the structure of the pressing plate of the utility model;
[0022] Figure 4 This is a schematic diagram of the locking bolt structure of the utility model;
[0023] Figure 5 This is a schematic diagram of the limit pin structure of the utility model;
[0024] Figure 6 This is a schematic diagram of the brake block structure of the utility model.
[0025] Explanation of the figure numbers: 1. Hydraulic support; 2. Pressure plate; 3. Embedded plate; 4. Ear plate; 5. Guide groove; 6. Locking bolt; 7. Push rod; 8. Bump; 9. Slide groove; 10. Limit groove; 11. Through hole; 12. Limit pin; 13. Brake block; 14. Brake groove; 15. Telescopic spring; 16. Cavity. DETAILED DESCRIPTION
[0026] The utility model is described in further detail below in conjunction with the accompanying drawings.
[0027] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be used for other implementation schemes, variations, improvements, equivalent schemes, and other technical solutions that do not deviate from the spirit and scope of the utility model.
[0028] Those skilled in the art should understand that, in the disclosure of the present invention, the directions or positions indicated by the terms "longitudinal", "lateral", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, which are only simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or component referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.
[0029] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity. Example
[0030] See also Figure 1-Figure 6 The utility model provides a mining equipment pressure plate fixing mechanism, including a pressure plate member 2, a slidable limit pin 12 is provided on the pressure plate member 2, a rectangular brake block 13 is provided at one end of the limit pin 12, and a telescopic spring 15 in close contact with the limit pin 12 is provided inside the pressure plate member 2.
[0031] An embedded plate 3 is provided at the bottom of the pressure plate 2, and a hydraulic support 1 is provided on the embedded plate 3. The embedded plate 3 is fixed to the mining area by concrete, providing a flat platform for placing the hydraulic support 1.
[0032] The hydraulic support 1 is provided with ear plates 4 for fixing. The ear plates 4 are made of steel plates and are symmetrically fixed on both sides of the hydraulic support 1 by welding.
[0033] A locking bolt 6 is provided on the pressure plate 2, and a through hole 11 is provided on the locking bolt 6. The brake block 13 can slide in the through hole 11, and the limit pin 12 can slide into the through hole 11 to limit the locking bolt 6. At the same time, the locking bolt 6 can be used to anchor the pressure plate 2, the ear plate 4 and the embedded plate 3 together.
[0034] A cavity 16 is provided inside the pressure plate 2 , the telescopic spring 15 is located in the cavity 16 , and the limiting pin 12 can slide in the cavity 16 .
[0035] A lever 7 is fixed on the top of the outer surface of the limiting pin 12 , which is close to the telescopic spring 15 . The staff can drive the limiting pin 12 to slide in the cavity 16 by pushing the lever 7 .
[0036] The pressing plate 2 is provided with a sliding groove 9 , and the pressing plate 2 is provided with a limiting groove 10 which is connected with the sliding groove 9 , and the sliding groove 9 and the limiting groove 10 are perpendicular to each other.
[0037] Braking grooves 14 are provided on both sides of the pressure plate 2. When the lever 7 is perpendicular to the pressure plate 2, the brake block 13 is placed horizontally and can slide into the brake groove 14. The lever 7 is rotated to the limit groove 10, and the brake block 13 is driven to rotate in the brake groove 14. The limit groove 10 and the brake groove 14 respectively limit the lever 7 and the brake block 13 to prevent the limit pin 12 from easily moving in the left and right horizontal directions.
[0038] During use, the staff fixes the hydraulic support 1 through the locking bolt 6 and the pressure plate 2. At the same time, the lever 7 is rotated into the slide groove 9. Under the rebound force of the telescopic spring 15, the limit pin 12 is pushed out and slides into the through hole 11, which limits the locking bolt 6. The lever 7 is further rotated to the limit groove 10 to limit the limit pin 12, preventing the limit pin 12 from easily sliding out of the through hole 11, so that the locking bolt 6 will not easily loosen under the action of vibration, thereby improving the fixing stability of the pressure plate 2 to the hydraulic support 1.
[0039] A protrusion 8 is provided at the bottom of the pressing plate 2, and a guide groove 5 is provided at the top of the embedded plate 3. The protrusion 8 can slide into the guide groove 5 to prevent the pressing plate 2 from moving in the horizontal direction, making it convenient for the staff to lock and fix it.
[0040] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are only examples and do not limit the present invention. The purpose of the present invention has been fully and effectively achieved. The functions and structural principles of the present invention have been demonstrated and explained in the embodiments. Without departing from the principles, the embodiments of the present invention may be deformed or modified in any way.
Claims
1. A mining equipment pressure plate fixing mechanism, characterized in that: The invention comprises a pressure plate member (2), wherein a slidable limit pin (12) is provided on the pressure plate member (2), a rectangular brake block (13) is provided at one end of the limit pin (12), and a telescopic spring (15) in close contact with the limit pin (12) is provided inside the pressure plate member (2).
2. A mining equipment pressure plate fixing mechanism according to claim 1, characterized in that: An embedded plate (3) is provided at the bottom of the pressing plate member (2).
3. A mining equipment pressure plate fixing mechanism according to claim 2, characterized in that: A hydraulic support (1) is provided on the embedded plate (3).
4. A mining equipment pressure plate fixing mechanism according to claim 3, characterized in that: The hydraulic support (1) is provided with a lug plate (4) for fixing.
5. A mining equipment pressure plate fixing mechanism according to claim 4, characterized in that: The pressure plate member (2) is provided with a locking bolt (6), and the locking bolt (6) is provided with a through hole (11).
6. A mining equipment pressure plate fixing mechanism according to claim 5, characterized in that: A cavity (16) is provided inside the pressing plate component (2).
7. A mining equipment pressure plate fixing mechanism according to claim 6, characterized in that: A lever (7) is provided on the outer surface of one side of the limiting pin (12).
8. A mining equipment pressure plate fixing mechanism according to claim 7, characterized in that: The pressing plate member (2) is provided with a sliding groove (9), and the pressing plate member (2) is provided with a limiting groove (10) which is in communication with the sliding groove (9).
9. A mining equipment pressure plate fixing mechanism according to claim 8, characterized in that: Braking grooves (14) are provided on both sides of the interior of the pressure plate (2).
10. A mining equipment pressure plate fixing mechanism according to claim 9, characterized in that: A protrusion (8) is provided at the bottom of the pressing plate (2), and a guide groove (5) is provided at the top of the embedded plate (3).