Pipeline valve lock for coal mine

Abstract

According to the pipeline valve lock for the coal mine, a protection plate is designed in a modularized mode, when a small valve is protected, a bottom plate is firstly arranged on the valve in a sleeved mode, then bolts are inserted into a protection outer ring on a top plate for installation, and therefore a device is protected, and certain large valves can be protected by adjusting the device. The fan-shaped protection plate and the conical protection plate are rotationally meshed with the circular protection plate to form a whole, the protection area is increased, meanwhile, the conical protection plate drives the second protection ring to slide on the guide groove of the first protection ring to be spliced into a whole, the outer side of the circumference is protected, meanwhile, the area of the base is increased accordingly, and therefore the protection area is increased; the base is detached and installed on the valve, the whole device is connected through the bolts, the device is suitable for valves of different sizes, the clamping plates on the base are extruded through the springs, threaded rods of the valves are clamped, it is ensured that the device is stably installed, and practicability and flexibility of the device are enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline valve lock equipment for coal mines, in particular to a pipeline valve lock for coal mines. Background Art

[0002] The underground water supply system of coal mines is an important part of ensuring the safe production of mines. When there are multiple water supply systems, the key valves connecting the systems are crucial. However, when dealing with pipeline leaks, key valves may be misoperated, causing pipeline water pressure fluctuations, and then causing leaks and water leakage accidents, thus affecting the safe production of mines. The current mining valve locks need to match the size of the valves to be protected, so the valve protection locks need to be replaced, which makes it impossible to protect valves of different sizes and cannot avoid misoperation of the valves. Utility Model Content

[0003] The utility model aims to provide a pipeline valve lock for coal mines, so as to solve the problem that the existing mine valve locks need to be matched with the size of the valve to be protected, the valve protection locks need to be replaced, and they cannot be applied to valves of different sizes for protection to avoid misoperation of the valves.

[0004] To achieve the above purpose, the utility model provides the following technical solutions: a pipeline valve lock for coal mines, comprising a protective base, a protective top plate, a protective outer ring and an adjusting device, the top of the protective base is connected to the adjusting device, the protective base and the protective top plate are both composed of a circular protective plate, a fan-shaped protective plate and a conical protective plate, the circular protective plate is provided with evenly distributed triangular grooves, the fan-shaped protective plate and the conical protective plate cooperate with the triangular grooves,

[0005] The protective outer ring includes a first protective ring and a second protective ring. The first protective ring is fixedly connected to the bottom end of the fan-shaped protective plate of the protective top plate. A guide groove is provided on the inner side of the first protective ring. The second protective ring is slidably fitted on the guide groove. The second protective ring is fixedly connected to the bottom end of the conical protective plate of the protective top plate.

[0006] The adjustment device includes two groups of adjustment rings and a fixed rod. The two groups of adjustment rings are arranged at different heights on the outside of the circumference of the support rod. The fixing rods corresponding to the fan-shaped protective plate and the conical protective plate are evenly fixedly connected on the outer circumference of the adjustment ring. The bottom end of the adjustment ring is hinged with an arc rod corresponding to the fixed rod. A sliding groove is provided on the fixed rod, and a limiting rod is slidably engaged in the sliding groove. The other end of the limiting rod passes through the arc rod and is connected to the fan-shaped protective plate. The limiting rod on the other group of adjustment rings passes through the arc rod and is connected to the conical protective plate.

[0007] Preferably, the fan-shaped protection plates and the conical protection plates are evenly distributed with a 60° rotation.

[0008] Preferably, the protective base is symmetrically divided into a first protective base and a second protective base along the central axis, the first protective base is hinged to the second protective base, the outer side of the circumference of the first protective base is fixedly connected with bolts, and the outer side of the circumference of the second protective base is fixedly connected with nuts matching with the bolts for being fastened after being sleeved on the valve.

[0009] Preferably, a hole is opened in the middle of the circular protective plate of the protective base, springs are symmetrically arranged on the hole wall, and a clamping plate is fixedly connected to the top of the spring for clamping the valve screw.

[0010] Preferably, the clamping plate is arranged in an arc shape to fit the valve bolt.

[0011] Preferably, corresponding connection holes are provided on the fan-shaped protection plate on the protection base and the first protection ring of the protection outer ring for inserting bolts and tightening them to connect and fix the device into a whole.

[0012] Preferably, the conical protective plate on the protective base and the second protective ring of the protective outer ring are provided with corresponding linkage holes for inserting bolts and tightening them to connect and fix the device into a whole.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] Through the modular design of the protective plate, when protecting small valves, the bottom plate is first put on the valve, and then the bolts are inserted into the protective outer ring on the top plate for installation, so as to protect the device. For the protection of some large valves, the fan-shaped protective plate and the conical protective plate can be rotated and engaged with the circular protective plate through the adjustment device to form a whole, thereby increasing the protection area. At the same time, the conical protective plate drives the second protective ring to slide on the guide groove of the first protective ring and is spliced ​​into a whole to protect the outer side of the circumference. At the same time, the base also increases in area, thereby increasing the protection area. Subsequently, the base is disassembled and installed on the valve, and the device is connected as a whole by bolts to make it suitable for valves of different sizes. The clamping plate on the base is squeezed by the spring to clamp the threaded rod of the valve to ensure stable installation of the device. The device adopts different protection methods for small valves and large valves, so that it can play a role in different situations, thereby enhancing its practicality and flexibility. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall opened structure of the utility model.

[0016] Figure 2 It is a schematic diagram of the structure of the regulating device of the utility model.

[0017] Figure 3 This is a schematic diagram of the protective base structure of the utility model.

[0018] Figure 4 It is a schematic diagram of the overall closed structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the structure of the adjustment device and the conical protective plate cooperating with each other in the utility model.

[0020] Figure 6 It is a schematic diagram of the structure of the adjustment device and the fan-shaped protective plate cooperating with each other in the utility model.

[0021] In the figure: 1. Protective base; 101. First protective base; 102. Second protective base; 2. Protective top plate; 201. Circular protective plate; 202. Fan-shaped protective plate; 203. Conical protective plate; 3. Protective outer ring; 301. First protective ring; 302. Second protective ring; 4. Adjusting device; 401. Adjusting ring; 402. Fixing rod; 403. Arc rod; 404. Limiting rod; 5. Clamp. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example 1: Please refer to Figure 1-6The utility model provides an embodiment: a pipeline valve lock for coal mines, comprising a protective base 1, a protective top plate 2, a protective outer ring 3 and an adjusting device 4. The top of the protective base 1 is connected to the adjusting device 4. The protective base 1 and the protective top plate 2 are both composed of a circular protective plate 201. The protective top plate 2 cooperates with the protective base 1 to form a complete valve protection system to protect the valve from external damage. The fan-shaped protective plate 202 and the conical protective plate 203 are composed. When there is no need to increase the use area, the fan-shaped protective plate 202 forms a whole, and the conical protective plate 203 and the circular protective plate 201 are hidden under the fan-shaped protective plate 202 as a whole. The circular protective plate 201 is provided with evenly distributed triangular grooves. The fan-shaped protective plate 202 and the conical protective plate 203 are Cooperating with the triangular slot, the fan-shaped protection plate 202 and the conical protection plate 203 are evenly distributed in a 60° rotation, forming the main structural part of the protection base 1 and the protection top plate 2, providing support and protection, ensuring the integrity and stability of the protection system, and through a combination of various shapes, it can cover and protect valves of different shapes and sizes, improving applicability and flexibility. When it is necessary to increase the use area, the device is rotated to rotate the fan-shaped protection plate 202 open, and at the same time cooperates with the conical protection plate 203 and the triangular groove on the circular protection plate 201 to form a whole, increasing the protection area. The protection outer ring 3 includes a first protection ring 301 and a second protection ring 302. The first protection ring 301 is fixed to the bottom end of the fan-shaped protection plate 202 of the protection top plate 2 The first protective ring 301 is connected, a guide groove is provided on the inner side of the first protective ring 301, and a second protective ring 302 is slidably matched on the guide groove. The second protective ring 302 is fixedly connected to the bottom end of the conical protective plate 203 of the protective top plate 2. In the initial situation, the first protective ring 301 is on the slide groove at the top of the second protective ring 302. When the protective top plate 2 starts to rotate, the first protective ring 301 rotates, slides through the slide groove, and moves to the side short-distance slide groove of the first protective ring 301. At the same time, it is limited and spliced ​​with the second protective ring 302 to form a whole to increase the protection area. A hole is provided in the middle of the circular protective plate 201 of the protective base 1, and springs are symmetrically arranged on the hole wall. A clamping plate 5 is fixedly connected to the top of the spring for clamping the valve screw. The clamping plate 5 is arranged in an arc shape for fitting the valve bolt. When installing the device, the threaded rod of the valve is clamped by the extrusion of the clamping plate 5 and the spring, ensuring that the valve is firmly fixed to prevent it from moving or shaking, providing additional safety protection, ensuring stability during the installation process, and used to clamp the valve screw. The protective base 1 is symmetrically divided into a first protective base 101 and a second protective base 102 along the central axis. The first protective base 101 is hinged to the second protective base 102. Bolts are fixedly connected to the outer side of the circumference of the first protective base 101, and nuts matching the bolts are fixedly connected to the outer side of the circumference of the second protective base 102, which are used to be sleeved on the valve and then tightened. The first protective base 101 is hinged to the second protective base 102, making the device more convenient during installation and maintenance, and can be sleeved on the valve at the same time.The base is connected by bolts and nuts to form a whole to ensure the stability of the device. The fan-shaped protective plate 202 on the protective base 1 and the first protective ring 301 of the protective outer ring 3 are provided with corresponding connecting holes for inserting bolts and tightening them to connect and fix the device into a whole, provide additional structural support and protection, and ensure the stability and safety of the valve device. The conical protective plate 203 on the protective base 1 and the second protective ring 302 of the protective outer ring 3 are provided with corresponding linkage holes for inserting bolts and tightening them to connect and fix the device into a whole. The adjusting device 4 includes two groups of adjusting rings 401 and a fixing rod 402. The two groups of adjusting rings 401 are arranged at different heights outside the circumference of the support rod. The fixing rods 402 corresponding to the fan-shaped protective plate 202 and the conical protective plate 203 are evenly fixedly connected on the outer circumference of the adjusting ring 401. The bottom end of the adjusting ring 401 is hinged with The fixed rod 402 corresponds to the arc rod 403, and the fixed rod 402 is provided with a sliding groove, and the sliding groove is matched with a limit rod 404, and the other end of the limit rod 404 passes through the arc rod 403 and is connected to the fan-shaped protective plate 202. The limit rod 404 on the other set of adjustment rings 401 passes through the arc rod 403 and is connected to the conical protective plate 203. First, the adjustment ring 401 is rotated, and then the limit rod 404 of the arc rod 403 slides along the sliding groove of the fixed rod 402. At the same time, the fan-shaped protective plate 202 is rotated and opened, and then the lower adjustment ring 401 is also rotated, and the limit rod 404 of the arc rod 403 slides along the sliding groove of the fixed rod 402 to bring out the conical plate. At the same time, there is an oblique block between the other adjustment ring 401 and the circular protective plate 201, so that the fan-shaped protective plate 202 can move up and down, and finally, it cooperates with the triangular groove of the circular protective plate 201 to form a whole.

[0027] When in use, first open the protective base 1 and install it on the valve stem. At the same time, the clamping plate 5 cooperates with the spring to clamp the threaded rod. Then, the protective base 1 is connected into a whole through nuts and bolts. The protective base 1 and the first protective ring 301 and the second protective ring 302 are formed into a whole after being inserted with bolts. The conical protective plate 203 and the circular protective plate 201 are hidden under the fan-shaped protective plate 202. When the overall size needs to be adjusted, first assemble the device, rotate the adjusting ring 401, and then the limiting rod 404 of the arc rod 403 slides along the slide groove of the fixed rod 402. At the same time, rotate and open the fan-shaped protective plate 202, and then the lower The adjusting ring 401 also rotates, and the limiting rod 404 of the arc rod 403 slides along the sliding groove of the fixing rod 402 to bring out the conical plate. At the same time, there is an oblique groove between the other adjusting ring 401 and the circular protective plate 201, so that the fan-shaped protective plate 202 can move up and down, and finally, cooperate with the triangular groove of the circular protective plate 201 to form a whole. At the same time, the first protective ring 301 rotates with the fan-shaped protective plate 202, and the second protective ring 302 slides with the conical protective plate 203 in the guide groove on the first protective ring 301, and they are spliced ​​into a whole. Then the protective base 1 is separated from the device, installed on the valve and spliced ​​into a whole.

[0028] A specific method of use is proposed in this embodiment. In actual use, the rotation angle and the size of the protective plate can be adjusted according to needs.

[0029] The above is only an embodiment of the utility model, and the common sense such as the known specific structure and characteristics in the scheme is not described too much here. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

Claims

1. A pipeline valve lock for coal mines, characterized by: The protective base (1), the protective top plate (2), the protective outer ring (3) and the adjusting device (4), the top of the protective base (1) is connected to the adjusting device (4), the protective base (1) and the protective top plate (2) are both composed of a circular protective plate (201), a fan-shaped protective plate (202) and a conical protective plate (203), the circular protective plate (201) is provided with evenly distributed triangular grooves, the fan-shaped protective plate (202) and the conical protective plate (203) are engaged with the triangular grooves, The protective outer ring (3) comprises a first protective ring (301) and a second protective ring (302); the first protective ring (301) is fixedly connected to the bottom end of the fan-shaped protective plate (202) of the protective top plate (2); a guide groove is provided on the inner side of the first protective ring (301); the second protective ring (302) is slidably fitted on the guide groove; the second protective ring (302) is fixedly connected to the bottom end of the conical protective plate (203) of the protective top plate (2); The adjustment device (4) comprises two groups of adjustment rings (401) and a fixing rod (402). The two groups of adjustment rings (401) are arranged at different heights outside the circumference of the support rod. The fixing rods (402) corresponding to the fan-shaped protective plate (202) and the conical protective plate (203) are evenly fixedly connected on the outer circumference of the adjustment rings (401). The bottom end of the adjustment ring (401) is hinged with an arc-shaped rod (403) corresponding to the fixing rod (402). A sliding groove is provided on the fixing rod (402). A limiting rod (404) is slidably engaged in the sliding groove. The other end of the limiting rod (404) passes through the arc-shaped rod (403) and is connected to the fan-shaped protective plate (202). The limiting rod (404) on the other group of adjustment rings (401) passes through the arc-shaped rod (403) and is connected to the conical protective plate (203).

2. The pipeline valve lock for coal mine according to claim 1, characterized in that: The sector-shaped protection plates (202) and the conical protection plates (203) are evenly distributed in a 60° rotation.

3. A pipeline valve lock for coal mines according to claim 1, characterized in that: The protective base (1) is symmetrically divided into a first protective base (101) and a second protective base (102) along the central axis. The first protective base (101) is hinged to the second protective base (102). Bolts are fixedly connected to the outer circumference of the first protective base (101), and nuts matching the bolts are fixedly connected to the outer circumference of the second protective base (102) for being fastened after being sleeved on the valve.

4. The pipeline valve lock for coal mine according to claim 3 is characterized in that: A hole is provided in the middle of the circular protective plate (201) of the protective base (1), springs are symmetrically arranged on the hole wall, and a clamping plate (5) is fixedly connected to the top of the spring for clamping the valve screw.

5. The pipeline valve lock for coal mines according to claim 4 is characterized in that: The clamping plate (5) is arranged in an arc shape and is used to fit the valve bolt.

6. The pipeline valve lock for coal mine according to claim 3, characterized in that: The sector-shaped protective plate (202) on the protective base (1) and the first protective ring (301) of the protective outer ring (3) are provided with corresponding connection holes for inserting bolts and tightening them to connect and fix the device into a whole.

7. The pipeline valve lock for coal mine according to claim 3, characterized in that: The conical protective plate (203) on the protective base (1) and the second protective ring (302) of the protective outer ring (3) are provided with corresponding linkage holes for inserting bolts and tightening them to connect and fix the device into a whole.

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