Mining electric gate valve with protection mechanism

Abstract

The utility model belongs to the technical field of mining electric gate valves, and particularly relates to a mining electric gate valve with a protection mechanism, which comprises a gate valve body, and a connecting frame is mounted on the outer wall of the bottom end of the gate valve body; supporting rods are fixedly connected to the two ends of the connecting frame correspondingly, and protective shells are slidably connected to the outer walls of the supporting rods. A containing cavity for containing the upper end of the gate valve body is formed in the protective shell. Through forward and reverse rotation of a first threaded sleeve, under the limiting effect of a supporting rod, the two sets of protective shells can get away from each other or get close to each other, so that the protective shells can be opened or closed conveniently, and follow-up maintenance and inspection of the gate valve are facilitated; and when the two sets of protective shells get close to each other, the upper end of the gate valve body is located in a containing cavity. The purpose of covering and protecting the upper end of the gate valve body is achieved, so that the upper end of the gate valve body is located in a relatively closed space, and corrosion caused by external factors such as dust, water and chemical substances to the gate valve body is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric gate valves for mining, in particular to an electric gate valve for mining with a protection mechanism. Background Art

[0002] The mining electric gate valve is an electric control valve device specially used in the mining environment. It is mainly used to control the flow of the medium in the pipeline. It has the characteristics of good sealing performance, long service life and corrosion resistance. For example, it can control the medium of coal transportation, such as water and dust in the pipeline.

[0003] The mining electric gate valve is mainly composed of components such as a motor, an actuator, a valve body, a gate plate, and a valve stem. The motor can provide a power source to drive the opening and closing of the entire gate valve. The actuator realizes the opening and closing of the valve through a mechanical mechanism. The controller can receive signals and control the valve. A valve seat is installed inside the valve body, which is used in conjunction with the gate plate to play a sealing role. The valve stem is driven by the actuator to make the gate plate move up and down.

[0004] Most mining electric gate valves are used in harsh mining environments. When used for a long time, they are prone to erosion by various external factors, such as dust, water, chemicals, etc. After a long period of accumulation, dust and chemicals are prone to adhere to the surface and internal components of the gate valve, causing wear, corrosion, blockage and jamming. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model proposes a mining electric gate valve with a protection mechanism.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model described in the utility model is an electric gate valve for mining with a protective mechanism, comprising a gate valve body, a connecting frame is installed on the outer wall of the bottom end of the gate valve body; support rods are respectively fixedly connected to the two ends of the connecting frame, and the outer wall of the support rod is slidably connected to a protective shell; an accommodating cavity for accommodating the upper end of the gate valve body is opened inside the protective shell; a first connecting rod is fixedly connected to the bottom end of the outer wall of the protective shell, and a first screw is fixedly connected to the other end of the first connecting rod; a first threaded sleeve is provided on the outer wall thread of the first screw.

[0007] Preferably, a second connecting rod is welded to the outer wall of the bottom end of the gate valve body; a second screw is fixedly connected to one end of the second connecting rod, and a third screw is fixedly connected to one end of the connecting frame; a slot is provided inside the second screw, and an insert rod is fixedly connected to one end of the third screw; the second screw and the outer wall of the third screw are threadedly connected through a second threaded sleeve.

[0008] Preferably, a plurality of groups of first spring columns are fixedly connected to the top end of the outer wall of the protective shell, and a topless cone is fixedly connected to the other end of the first spring column.

[0009] Preferably, a plurality of groups of second spring columns are fixedly connected at equal intervals to the bottom side of the outer wall of the first connecting rod, and an arc-shaped plate is fixedly connected to the other end of the second spring column.

[0010] Preferably, the protective shells are arranged in two groups in a spliced ​​manner, a sealing strip is installed on the edge of one group of protective shells, and a sealing groove is installed on the edge of the other group of protective shells.

[0011] Preferably, a plurality of groups of reinforcing rods are fixedly connected to the middle portion of the protective shell, and the plurality of groups of reinforcing rods are equidistantly arranged around the protective shell.

[0012] Preferably, a rubber sleeve is provided on the outer wall of the first threaded sleeve, and the rubber sleeve is in contact with the outer wall of the first threaded sleeve.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a mining electric gate valve with a protective mechanism. By rotating the first threaded sleeve forward and backward, under the limiting action of the support rod, the two groups of protective shells can move away from or close to each other, so as to open or close the protective shells and facilitate subsequent maintenance and inspection of the gate valve. When the two groups of protective shells are close to each other, the upper end of the gate valve body is inside the accommodating cavity, so as to achieve the purpose of covering and protecting the upper end of the gate valve body, so that the upper end of the gate valve body is in a relatively closed space, so as to reduce the erosion caused by external factors such as dust, water and chemicals.

[0015] 2. The utility model provides a mining electric gate valve with a protective mechanism. By adding and installing multiple sets of first spring columns and cooperating with a topless cone, a buffer and shock-absorbing effect can be provided for the top of the protective shell to reduce direct damage to the gate valve body in unexpected situations, such as collision or impact caused by falling rocks. When the topless cone surface is subjected to external force, it is easier to disperse the force in multiple directions, thereby further reducing the direct impact on the gate valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the protection mechanism in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the protective shell in the utility model;

[0020] Figure 4 It is a schematic diagram of the connection between the connecting frame and the second connecting rod in the utility model;

[0021] Figure 5 It is a schematic diagram of the connection between the sealing strip and the sealing groove in the utility model.

[0022] Legend:

[0023] 1. Gate valve body; 2. Connecting frame; 3. Support rod; 4. Protective shell; 5. First connecting rod; 6. First screw; 7. First threaded sleeve; 8. Accommodating chamber; 9. First spring column; 10. Topless cone; 11. Second connecting rod; 12. Second screw; 13. Third screw; 14. Slot; 15. Insert rod; 16. Second threaded sleeve; 17. Second spring column; 18. Arc plate; 19. Sealing strip; 20. Sealing groove; 21. Reinforcement rod. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 4 The utility model provides a mining electric gate valve with a protective mechanism, including a gate valve body 1, a connecting frame 2 is installed on the outer wall of the bottom end of the gate valve body 1; support rods 3 are fixedly connected to both ends of the connecting frame 2, and the outer wall of the support rod 3 is slidably connected to a protective shell 4; an accommodating cavity 8 for accommodating the upper end of the gate valve body 1 is opened inside the protective shell 4; a first connecting rod 5 is fixedly connected to the bottom end of the outer wall of the protective shell 4, and a first screw 6 is fixedly connected to the other end of the first connecting rod 5; a first threaded sleeve 7 is threadedly sleeved on the outer wall of the first screw 6.

[0027] During operation, the connecting frame 2 is installed on the outer wall of the bottom end of the gate valve body 1, and is used to provide support and fixation between the protective mechanism and the gate valve body 1. By rotating the first threaded sleeve 7 forwards and backwards, under the limiting action of the support rod 31, the two groups of protective shells 4 can move away from or close to each other, so as to open or close the protective shells 4 and facilitate subsequent maintenance and inspection of the gate valve. When the two groups of protective shells 4 are close to each other, the upper end of the gate valve body 1 is inside the accommodating chamber 8, so as to achieve the purpose of covering and protecting the upper end of the gate valve body 1, so that the upper end of the gate valve body 1 is in a relatively closed space, so as to reduce the erosion caused by external factors such as dust, water and chemicals.

[0028] See also Figure 1-Figure 4 A second connecting rod 11 is welded to the outer wall of the bottom end of the gate valve body 1; a second screw 12 is fixedly connected to one end of the second connecting rod 11, and a third screw 13 is fixedly connected to one end of the connecting frame 2; a slot 14 is opened inside the second screw 12, and an insert rod 15 is fixedly connected to one end of the third screw 13; the second screw 12 and the outer wall of the third screw 13 are threadedly sleeved by a second threaded sleeve 16; when working, by rotating the second threaded sleeve 16, when the second threaded sleeve 16 rotates, it advances or retreats along the outer wall threads of the second screw 12 and the third screw 13, thereby adjusting the tightness between the second screw 12 and the third screw 13, so as to achieve rapid installation and disassembly of the two sets of screws, so as to facilitate subsequent replacement and maintenance of this protective mechanism, and the slot 14 cooperates with the setting in the slot 14, which can reduce the occurrence of random rotation between the second screw 12 and the third screw 13, thereby causing the second threaded sleeve 16 to loosen.

[0029] See also Figure 4 , a plurality of groups of first spring columns 9 are fixedly connected to the top of the outer wall of the protective shell 4, and a topless cone 10 is fixedly connected to the other end of the first spring column 9; during operation, by adding and installing a plurality of groups of first spring columns 9, in combination with the topless cone 10, a buffering and shock absorbing effect can be provided for the top of the protective shell 4, so as to reduce direct damage to the gate valve body 1 in unexpected situations, such as collision or impact caused by falling rocks, and the conical surface of the topless cone 10 can more easily disperse the force to multiple directions when subjected to external force, thereby further reducing the direct impact on the gate valve body 1.

[0030] See also Figure 3 A plurality of groups of second spring columns 17 are fixedly connected at equal intervals to the bottom side of the outer wall of the first connecting rod 5, and an arc plate 18 is fixedly connected to the other end of the second spring column 17; when working, the arc plate 18 can protect the top side of the pipeline connected and installed at both ends of the gate valve body 1, and combined with the second spring column 17, it can provide additional buffering and shock absorption effects.

[0031] See also Figure 5 The protective shell 4 is arranged in two groups of splicing, a sealing strip 19 is installed on the edge of one group of protective shells 4, and a sealing groove 20 is installed on the edge of the other group of protective shells 4; when working, when the two groups of protective shells 4 are spliced ​​together, the sealing strip 19 will be embedded in the sealing groove 20, thereby achieving relative sealing between the two groups of protective shells 4, further reducing external factors such as dust and moisture from entering the interior of the protective shell 4, affecting the normal operation of the equipment, and can also improve the overall stability of the protective shell 4.

[0032] See also Figure 3A plurality of reinforcing rods 21 are fixedly connected to the middle of the protective shell 4, and the plurality of reinforcing rods 21 are equidistantly arranged around the protective shell 4; during operation, the strength between the two ends of the protective shell 4 can be improved by the plurality of reinforcing rods 21.

[0033] See also Figure 1 The outer wall of the first threaded sleeve 7 is provided with a rubber sleeve, and the rubber sleeve is in contact with the outer wall of the first threaded sleeve 7; during operation, the rubber sleeve can increase the friction of the outer wall of the first threaded sleeve 7, improve its stability during rotation, and reduce the occurrence of slipping during rotation.

[0034] Working principle: The connecting frame 2 is installed on the outer wall of the bottom end of the gate valve body 1, and is used to provide support and fixation between the protective mechanism and the gate valve body 1. By rotating the first threaded sleeve 7 forwards and backwards, under the limiting action of the support rod 31, the two groups of protective shells 4 can move away from or close to each other, so that the protective shells 4 can be opened or closed, which is convenient for subsequent maintenance and inspection of the gate valve. When the two groups of protective shells 4 are close to each other, the upper end of the gate valve body 1 is inside the accommodating cavity 8, so as to achieve the purpose of covering and protecting the upper end of the gate valve body 1, so that the upper end of the gate valve body 1 is in a relatively closed space. To reduce the erosion caused by external factors such as dust, water and chemicals; by rotating the second threaded sleeve 16, when the second threaded sleeve 16 rotates, it advances or retreats along the outer wall threads of the second screw rod 12 and the third screw rod 13, thereby adjusting the tightness between the second screw rod 12 and the third screw rod 13, so as to achieve rapid installation and disassembly of the two sets of screw rods, so as to facilitate subsequent replacement and maintenance of the protection mechanism, and the slot 14 cooperates with the setting in the slot 14, which can reduce the occurrence of random rotation between the second screw rod 12 and the third screw rod 13, thereby causing the second threaded sleeve 16 to rotate. The sleeve 16 becomes loose; by adding multiple sets of first spring columns 9, combined with the topless cone 10, a buffer and shock-absorbing effect can be provided for the top of the protective shell 4 to reduce direct damage to the gate valve body 1 in unexpected situations, such as collision or impact caused by falling rocks, and the conical surface of the topless cone 10 is more likely to disperse the force in multiple directions when subjected to external force, thereby further reducing the direct impact on the gate valve body 1; the top side of the pipe connected and installed at both ends of the gate valve body 1 can be protected by the arc plate 18, and then combined with the second spring column 17 , which can provide additional buffering and shock absorption effects; when the two groups of protective shells 4 are spliced ​​together, the sealing strip 19 will be embedded in the sealing groove 20, thereby achieving relative sealing between the two groups of protective shells 4, further reducing the entry of external factors such as dust and moisture into the interior of the protective shell 4, affecting the normal operation of the equipment, and improving the overall stability of the protective shell 4; through multiple groups of reinforcing rods 21, the strength between the two ends of the protective shell 4 can be improved; through the rubber sleeve, the friction force of the outer wall of the first threaded sleeve 7 can be increased, the stability during rotation can be improved, and the occurrence of slipping during rotation can be reduced.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A mining electric gate valve with a protection mechanism, comprising a gate valve body (1), characterized in that: A connecting frame (2) is installed on the outer wall of the bottom end of the gate valve body (1); support rods (3) are fixedly connected to both ends of the connecting frame (2), and the outer wall of the support rod (3) is slidably connected to a protective shell (4); a receiving cavity (8) for receiving the upper end of the gate valve body (1) is provided inside the protective shell (4); a first connecting rod (5) is fixedly connected to the bottom end of the outer wall of the protective shell (4), and a first screw rod (6) is fixedly connected to the other end of the first connecting rod (5); a first threaded sleeve (7) is threadedly provided on the outer wall of the first screw rod (6).

2. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: A second connecting rod (11) is welded to the outer wall of the bottom end of the gate valve body (1); a second screw rod (12) is fixedly connected to one end of the second connecting rod (11), and a third screw rod (13) is fixedly connected to one end of the connecting frame (2); a slot (14) is provided inside the second screw rod (12), and an insertion rod (15) is fixedly connected to one end of the third screw rod (13); the second screw rod (12) and the outer wall of the third screw rod (13) are threadedly connected via a second threaded sleeve (16).

3. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: The top end of the outer wall of the protective shell (4) is fixedly connected to a plurality of groups of first spring columns (9), and the other end of the first spring column (9) is fixedly connected to a topless cone (10).

4. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: A plurality of groups of second spring columns (17) are fixedly connected at equal intervals to the bottom side of the outer wall of the first connecting rod (5), and an arc-shaped plate (18) is fixedly connected to the other end of the second spring column (17).

5. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: The protective shells (4) are arranged in two groups in a spliced ​​manner, with a sealing strip (19) installed on the edge of one group of protective shells (4) and a sealing groove (20) installed on the edge of the other group of protective shells (4).

6. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: A plurality of groups of reinforcing rods (21) are fixedly connected to the middle of the protective shell (4), and the plurality of groups of reinforcing rods (21) are equidistantly arranged around the protective shell.

7. The electric gate valve for mining with a protection mechanism as claimed in claim 1, characterized in that: The outer wall of the first threaded sleeve (7) is covered with a rubber sleeve, and the rubber sleeve is in close contact with the outer wall of the first threaded sleeve (7).

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