A hydraulic support operating valve limiting device

Abstract

The utility model relates to the field of hydraulic support especially relates to a kind of hydraulic support operating valve limiting device, including frame assembly, operating assembly connected on frame assembly and limiting component connected on frame assembly.The utility model can accurately limit the movement range of operating mechanism by the cooperation of each component, limiting can be carried out by limiting ring, prevent damage to equipment or cause unnecessary safety risk due to over operation, spring structure can reset the operation in non-restrictive state, simplify operation process, can maximum limit guarantee the safety of hydraulic support in operating process, prevent the occurrence of accident, ensure the stable operation of hydraulic support, improve the convenience and reliability of use, the second connecting rod is locked by first connecting rod and stud, prevent non-operator from being touched by mistake, improve safety, effectively prevent equipment damage or safety accident caused by misoperation, further improve the reliability of use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hydraulic support especially relates to a hydraulic support operating valve stop device. BACKGROUND

[0002] In modern operation, the hydraulic support is the key equipment of guaranteeing the safety and stable advancement of the working face, and it can accurately control the pressure and flow of the hydraulic system, and realizes a series of complex operations such as the lifting, shifting and pushing of the support through the action of the operating valve, and the action stroke of the operating valve is directly related to the response speed, accuracy and safety of the hydraulic system.

[0003] At present, the stop structure of most hydraulic support operating valves is relatively simple, and the long-time repetitive operation of the operator can easily lead to fatigue, increase the possibility of misoperation, and some structures lack locking structures and are easily mistaken by non-operators, reducing the reliability of the device. UTILITY MODEL CONTENTS

[0004] In order to overcome the problem that the stop structure of the existing hydraulic support operating valve is relatively simple and is easily mistaken by non-operators.

[0005] The technical scheme of the utility model is: a hydraulic support operating valve stop device, comprising a frame assembly, an operating assembly connected to the frame assembly and a stop assembly connected to the frame assembly. The frame assembly comprises a base connected to the operating assembly, a clamping seat connected to the base and a first rotating shaft connected to the base. The operating assembly comprises a second connecting rod connected to the clamping seat and a third rotating shaft connected to the base. The stop assembly comprises a second groove opened in the base, a first top block connected to the second connecting rod and a second top block connected to the second groove.

[0006] As a preferred, the frame assembly further comprises a stop ring connected to the first rotating shaft, a second rotating shaft connected to the base and a first connecting rod connected to the second rotating shaft, the stop ring is located outside the clamping seat, and the first connecting rod is rotatably connected to the base through the second rotating shaft.

[0007] As a preferred, the operating assembly further comprises a sliding groove opened in the second connecting rod and a guide rod connected to the sliding groove, and the guide rod is slidably connected to the inner side of the sliding groove.

[0008] As a preferred, the operating assembly further comprises a third connecting rod connected to the third rotating shaft and a first groove opened in the base, the third connecting rod is rotatably connected to the guide rod, and the third connecting rod is rotatably connected to the inner side of the first groove through the third rotating shaft.

[0009] Preferably, the limiting component further includes a spring connected to the second groove, one end of the spring being fixedly connected to the bottom of the second groove, and the other end of the spring being connected to the second top block.

[0010] Preferably, the limiting assembly further includes a lever connected to the second link and a stud connected to the first link, the stud being threaded onto the first link and the top surface of the second link being threaded onto the first link.

[0011] The beneficial effects of this utility model are: 1. This utility model, through the cooperation of various components, can accurately limit the movement range of the operating mechanism. The limit ring can limit the movement, preventing damage to the equipment or unnecessary safety risks caused by excessive operation. The spring structure can reset the operation in the unrestricted state, simplifying the operation process, maximizing the safety of the hydraulic support during operation, preventing accidents, ensuring the stable operation of the hydraulic support, and improving the convenience and reliability of use. 2. This utility model locks the second link by using the first link and the stud, preventing unauthorized personnel from accidentally touching it, improving safety, effectively preventing equipment damage or safety accidents caused by misoperation, and further enhancing the reliability of use. Attached Figure Description

[0012] Figure 1 The diagram shown is a three-dimensional structural schematic of the hydraulic support control valve limiting structure of this utility model. Figure 2 The diagram shown is a three-dimensional structural schematic of the frame component of this utility model. Figure 3 The diagram shown is a three-dimensional structural schematic of the operating component of this utility model; Figure 4 The diagram shown is a three-dimensional structural schematic of the limiting component of this utility model.

[0013] Explanation of reference numerals in the attached drawings: 1. Frame assembly; 2. Operating assembly; 3. Limiting assembly; 101. Base; 102. Card holder; 103. First rotating shaft; 104. Limiting ring; 105. First connecting rod; 106. Second rotating shaft; 201. Second connecting rod; 202. Slide groove; 203. Guide rod; 204. Third connecting rod; 205. Third rotating shaft; 206. First groove; 301. Second groove; 302. Spring; 303. Lever; 304. Stud; 305. First top block; 306. Second top block. Detailed Implementation

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0015] A hydraulic support operating valve limiting device, according to Figures 1-4 A hydraulic support operating valve limiting device, according to The frame assembly 1 comprises a base 101 connected to the operating assembly 2, a clamping seat 102 connected to the base 101, and a first rotating shaft 103 connected to the base 101. The operating assembly 2 comprises a second connecting rod 201 connected to the clamping seat 102, and a third rotating shaft 205 connected to the base 101. The limiting assembly 3 comprises a second recess 301 opened in the base 101, a first top block 305 connected to the second connecting rod 201, and a second top block 306 connected to the second recess 301.

[0016] According to Figure 2 The frame assembly 1 further comprises a limiting ring 104 connected to the first rotating shaft 103, a second rotating shaft 106 connected to the base 101, and a first connecting rod 105 connected to the second rotating shaft 106. The limiting ring 104 is located outside the clamping seat 102, and the first connecting rod 105 is rotatably connected to the base 101 through the second rotating shaft 106.

[0017] It should be noted that the limiting ring 104 can limit the movement of the second connecting rod 201, prevent overloading, damage the valve body or related hydraulic components, ensure safe operation and ensure stable operation of the hydraulic support.

[0018] According to Figure 3 The operating assembly 2 further comprises a sliding groove 202 opened in the second connecting rod 201, and a guide rod 203 connected to the sliding groove 202. The guide rod 203 is slidably connected to the inside of the sliding groove 202.

[0019] According to Figure 3 The operating assembly 2 further comprises a third connecting rod 204 connected to the third rotating shaft 205, and a first recess 206 opened in the base 101. The third connecting rod 204 is rotatably connected to the guide rod 203, and the third connecting rod 204 is rotatably connected to the inside of the first recess 206 through the third rotating shaft 205.

[0020] It should be noted that the third connecting rod 204 and the second connecting rod 201 cooperate to form a connecting rod structure. The sliding groove 202 provides a movement constraint for the guide rod 203, so that it always moves along the predetermined track, limits the second connecting rod 201, and improves the stability of the hydraulic support.

[0021] According to Figure 4The limiting assembly 3 further comprises a spring 302 connected to the second recess 301, one end of the spring 302 being fixedly connected to the bottom of the second recess 301, and the other end of the spring 302 being connected to the second top block 306.

[0022] According to Figure 4 The limiting assembly 3 further comprises a push rod 303 connected to the second connecting rod 201 and a stud 304 connected to the first connecting rod 105, the stud 304 being threadedly connected to the first connecting rod 105, and the stud 304 being threadedly connected to the top surface of the second connecting rod 201.

[0023] It should be noted that the spring 302 can provide a vertical upward force, so that it can be reset after being pressed, and the second connecting rod 201 can return to the initial static state, and the stud 304 can lock the second connecting rod 201 when not in use, preventing accidental touch and improving safety.

[0024] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A hydraulic support control valve limiting device, characterized in that: It includes a frame component (1), an operation component (2) connected to the frame component (1), and a limiting component (3) connected to the frame component (1). The frame assembly (1) includes a base (101) connected to the operating assembly (2), a card holder (102) connected to the base (101), and a first rotating shaft (103) connected to the base (101). The operating component (2) includes a second link (201) connected to the card holder (102) and a third rotating shaft (205) connected to the base (101). The limiting component (3) includes a second groove (301) formed on the base (101), a first top block (305) connected to the second connecting rod (201), and a second top block (306) connected to the second groove (301).

2. The hydraulic support control valve limiting device according to claim 1, characterized in that: The frame assembly (1) further includes a limiting ring (104) connected to a first rotating shaft (103), a second rotating shaft (106) connected to a base (101), and a first connecting rod (105) connected to the second rotating shaft (106). The limiting ring (104) is located outside the card holder (102), and the first connecting rod (105) is rotatably connected to the base (101) via the second rotating shaft (106).

3. The hydraulic support control valve limiting device according to claim 1, characterized in that: The operating component (2) also includes a groove (202) formed on the second link (201) and a guide rod (203) connected to the groove (202), the guide rod (203) being slidably connected to the inside of the groove (202).

4. The hydraulic support control valve limiting device according to claim 1, characterized in that: The operating component (2) also includes a third link (204) connected to a third rotating shaft (205) and a first groove (206) formed on the base (101). The third link (204) is rotatably connected to a guide rod (203) and is rotatably connected to the inside of the first groove (206) via the third rotating shaft (205).

5. The hydraulic support control valve limiting device according to claim 1, characterized in that: The limiting component (3) also includes a spring (302) connected to the second groove (301), one end of the spring (302) is fixedly connected to the bottom of the second groove (301), and the other end of the spring (302) is connected to the second top block (306).

6. The hydraulic support control valve limiting device according to claim 1, characterized in that: The limiting component (3) also includes a lever (303) connected to the second link (201) and a stud (304) connected to the first link (105). The stud (304) is threaded to the first link (105) and the stud (304) is threaded to the top surface of the second link (201).

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