Outdoor natural gas pipeline gate valve control device

Abstract

The utility model belongs to the field of natural gas safety, and particularly relates to an outdoor natural gas pipeline gate valve control device which comprises a ball valve, a natural gas pipeline and a sealing mechanism. The two ends of the ball valve are both connected with natural gas pipelines, a support is fixedly installed on the ball valve, a motor is fixedly installed on the support, the output end of the motor is connected with a rotating shaft on the ball valve through a coupler, and sealing mechanisms are arranged on the two natural gas pipelines. The two sealing mechanisms are both connected with the motor, a natural gas concentration detector and a control module are arranged on the support, and the motor and the natural gas concentration detector are both connected with the control module. According to the utility model, through the cooperation of all the parts, the effect of automatically regulating and controlling the opening and closing of the gate valve can be realized, the effect of conveniently maintaining the ball valve by a worker can also be achieved, and the convenience and the safety are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas safety technical field especially relates to a kind of outdoor natural gas pipeline gate valve control device. BACKGROUND

[0002] Natural gas pipeline refers to the pipeline that natural gas (including associated gas produced in oil field) is transported from exploitation place or processing plant to city distribution center or industrial enterprise user, also called gas pipeline, and natural gas is transported using natural gas pipeline, which is the way of transporting natural gas on land; Valve well is the valve of underground pipeline and underground pipeline (such as tap water, oil, natural gas pipeline, etc.), which is convenient for opening and closing part of pipeline network operation or maintenance operation when needed;

[0003] The existing natural gas pipeline generally sets manual gate valve device, and when natural gas pipeline leaks during use, it is not convenient to quickly close the gate valve and cut off the gas source to prevent the expansion of the accident.

[0004] Therefore, we propose an outdoor natural gas pipeline gate valve control device to solve the problems in the background art.

[0005] The above information disclosed in the background art is only used to increase the understanding of the background art of the present application, and therefore, it can include prior art known by those skilled in the art. CONTENT OF UTILITY MODEL

[0006] The utility model aims at solving the shortcomings in the prior art and provides an outdoor natural gas pipeline gate valve control device.

[0007] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] An outdoor natural gas pipeline gate valve control device includes a ball valve, a natural gas pipeline and a sealing mechanism.

[0009] Both ends of the ball valve are connected with the natural gas pipeline, the ball valve is fixedly installed with a support, the support is fixedly installed with a motor, the output end of the motor is connected with the rotating shaft on the ball valve through a coupler, both of the natural gas pipelines are provided with a sealing mechanism, both of the sealing mechanisms are connected with the motor, the support is provided with a natural gas concentration detector and a control module, and the motor and the natural gas concentration detector are connected with the control module.

[0010] The sealing mechanism comprises a worm, a bevel gear one, a worm wheel, a transmission rod, a gear, a rack, a sealing plate, a ring plate and a cross plate, two worms are rotatably installed on the natural gas pipelines, the control module, the motor, the coupler, the sealing mechanism and the ball valve can not only automatically control the opening and closing of the gate valve, but also seal the natural gas pipelines at both ends of the ball valve, thereby facilitating the maintenance of the ball valve.

[0011] Preferably, one end of each of the two worms is fixedly connected with a bevel gear one, and the same bevel gear two is meshingly connected with the two bevel gears one, the bevel gear two is fixedly sleeved on the output end of the motor, and the bevel gear two is in meshing transmission with the bevel gear one, and the bevel gear one drives the worm to rotate.

[0012] Preferably, the worm is meshingly connected with a worm wheel, one side of the worm wheel is fixedly connected with a transmission rod, and the transmission rod is rotatably connected with the natural gas pipeline, and the meshing transmission between the worm and the worm wheel enables the worm wheel to drive the gear to rotate through the transmission rod.

[0013] Preferably, one end of the transmission rod is fixedly connected with a gear, the gear is meshingly connected with a rack, and two cross plates are slidingly sleeved on the rack, and the two cross plates are fixedly connected with the natural gas pipeline, so that the rack can move.

[0014] Preferably, one end of the rack is fixedly connected with a sealing plate, one side of the sealing plate is contactingly connected with a ring plate, and the outer side of the ring plate is fixedly connected with the natural gas pipeline, so as to seal the corresponding natural gas pipeline.

[0015] Preferably, a sealing ring is fixedly installed on one side of the sealing plate and the ring plate, the two sealing rings are contactingly connected, a sealing bearing is fixedly sleeved on the transmission rod, the outer wall of the sealing bearing is sealingly connected with the natural gas pipeline, and the sealing property is improved.

[0016] Preferably, two fixed plates one are fixedly connected with the two natural gas pipelines, one end of each of the two worms is rotatably connected with the two fixed plates one, and two fixed plates two are rotatably connected with the other ends of the two worms, one end of each of the two fixed plates two is contactingly connected with the ball valve, so that the two worms can rotate and support.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] (1) The outdoor natural gas pipeline gate valve control device can automatically control the opening and closing of the gate valve through the cooperation of the control module, the motor, the coupler and the ball valve.

[0019] (2)The utility model discloses an outdoor natural gas pipeline gate valve control device, through the cooperation design between control module, natural gas concentration detector, motor, coupler and sealing mechanism, can reach the sealing effect of the natural gas pipeline of ball valve both ends, and then the effect of facilitating the maintenance of the ball valve to staff. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only exemplary, and the structure, proportion, size and the like shown in the description are only used to cooperate with the content disclosed in the description, so as to be understood and read by those skilled in the art, and not to limit the limiting conditions that the utility model can be implemented, so it has no technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size.

[0021] Figure 1 It is a three-dimensional structure schematic diagram of the outdoor natural gas pipeline gate valve control device proposed in the utility model;

[0022] Figure 2 It is a dissection schematic diagram of the outdoor natural gas pipeline gate valve control device proposed in the utility model;

[0023] Figure 3 It is Figure 2 It is an enlarged structure schematic diagram of A in the middle;

[0024] Figure 4 It is a sealing mechanism structure schematic diagram of the outdoor natural gas pipeline gate valve control device proposed in the utility model.

[0025] Explanation of reference numerals: 1, ball valve; 2, natural gas pipeline; 3, support; 4, motor; 5, coupler; 6, shaft; 7, sealing mechanism; 8, bevel gear two; 9, natural gas concentration detector; 10, control module; 71, worm; 72, bevel gear one; 73, worm wheel; 74, transmission rod; 75, gear; 76, rack; 77, sealing plate; 78, ring plate; 79, cross plate. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] The utility model provides a kind of outdoor natural gas pipeline gate valve control device, refer to Figures 1-4 A kind of outdoor natural gas pipeline gate valve control device, including ball valve 1, natural gas pipeline and sealing mechanism 7;

[0028] The both ends of ball valve 1 are connected with natural gas pipeline 2, ball valve 1 is fixedly installed with support 3, support 3 is fixedly installed with motor 4, the output end of motor 4 is connected with the rotating shaft 6 on ball valve 1 by coupler 5, two natural gas pipelines 2 are equipped with sealing mechanism, two sealing mechanisms are connected with motor 4, support 3 is equipped with natural gas concentration detector 9 and control module 10, motor 4 and natural gas concentration detector 9 are connected with control module 10;Natural gas concentration detector 9 is prior art, such as Chinese patent "a natural gas concentration detection device" (patent number: ZL201820604993.7), solid the utility model is not described in detail;Control module 10 is single-chip microcomputer, model is STC89C52;The single-chip microcomputer of this model is low in cost, small in size, and its feedback speed also meets the actual requirements of the device;

[0029] Sealing mechanism 7 includes worm 71, bevel gear one 72, worm gear 73, transmission rod 74, gear 75, rack 76, sealing plate 77, ring plate 78 and cross plate 79, two natural gas pipelines 2 are rotatably installed with worm 71, by control module 10, motor 4, coupler 5, sealing mechanism 7 and ball valve 1 can not only realize the effect that automatic control gate valve is opened and closed, but also can reach the effect that the natural gas pipeline 2 at the both ends of ball valve 1 is sealed, to facilitate the effect that staff maintains ball valve 1.

[0030] In the mode, one end of two worms 71 is fixedly connected with bevel gear one 72, the same bevel gear two 8 is meshingly connected on two bevel gears one 72, bevel gear two 8 is fixedly sleeved on the output end of motor 4, bevel gear two 8 and bevel gear one 72 are meshingly driven, and bevel gear one 72 drives worm 71 to rotate.

[0031] In the mode, worm 71 is meshingly connected with worm gear 73, transmission rod 74 is fixedly connected on the side of worm gear 73, transmission rod 74 is rotatably connected with natural gas pipeline 2, the meshing transmission between worm 71 and worm gear 73 makes worm gear 73 drive gear 75 to rotate through transmission rod 74.

[0032] In the mode, one end of transmission rod 74 is fixedly connected with gear 75, gear 75 is meshingly connected with rack 76, two cross plates 79 are slidably sleeved on rack 76, two cross plates 79 are fixedly connected with natural gas pipeline 2, to facilitate the movement of rack 76.

[0033] In the mode, one end of the rack 76 is fixedly connected with a sealing plate 77, one side of the sealing plate 77 is contactively connected with a ring plate 78, the outer side of the ring plate 78 is fixedly connected with the natural gas pipeline 2, and the corresponding natural gas pipeline 2 is sealed.

[0034] In the mode, the sealing plate 77 and the ring plate 78 are fixedly installed with sealing rings on one side, the two sealing rings are contactively connected, the transmission rod 74 is fixedly sleeved with a sealing bearing, the outer wall of the sealing bearing is sealingly connected with the natural gas pipeline 2, and the sealing property is improved.

[0035] In the mode, the two natural gas pipelines 2 are fixedly connected with fixed plates one, the two worm gears 71 are rotatably connected with the two fixed plates one at one end, the two worm gears 71 are rotatably connected with fixed plates two at the other end, and the two fixed plates two are contactively connected with the ball valve 1 at one end, so that the two worm gears 71 can rotate and support.

[0036] Working principle: in use, the motor 4 can be controlled and driven through the action of the control module 10, the natural gas leakage can be monitored through the action of the natural gas concentration detector 9, and information is transmitted to the control module 10.

[0037] The motor 4 is driven, the coupling 5 is driven, the rotating shaft 6 is rotated by 90 degrees, and the opening and closing of the ball valve 1 are automatically adjusted, so that the convenience is improved.

[0038] When natural gas leakage occurs, the ball valve 1 is closed through the driving of the motor 4, and continues to rotate through the action of the coupling 5, meanwhile, the bevel gear two 8 is meshed and driven with the bevel gear one 72, the bevel gear one 72 drives the worm gear 71 to rotate, the worm gear 71 is meshed and driven with the worm gear 73, the worm gear 73 drives the gear 75 to rotate through the transmission rod 74, meanwhile, the gear 75 is meshed and driven with the rack 76, so that the sealing plate 77 driven by the rack 76 moves to the ring plate 78, and the sealing plate 77 and the ring plate 78 are in close contact, thereby achieving the effect of sealing the natural gas pipelines 2 on both sides of the ball valve 1, and facilitating the maintenance of the ball valve.

[0039] The utility model discloses relative to prior art obtained technical progress is: through the cooperation of various components not only can realize the effect of automatic control and regulation of the opening and closing of the gate valve, but also can achieve the effect of sealing the natural gas pipelines 2 on both ends of the ball valve 1, thereby facilitating the maintenance of the ball valve 1 by the staff, greatly improving the convenience and safety, and the structure is simple, and the practicality is higher.

[0040] The above merely is the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the present utility model is equivalent to replace or change within the technical range disclosed by the present utility model, and should be covered in the protection scope of the present utility model.

Claims

1. An outdoor natural gas pipeline gate valve control apparatus, characterized by, It include ball valve (1), natural gas pipeline and sealing mechanism (7); Both ends of the ball valve (1) are connected with natural gas pipelines (2), the ball valve (1) is fixedly installed with a support (3), the support (3) is fixedly installed with a motor (4), the output end of the motor (4) is connected with the rotating shaft (6) on the ball valve (1) through a coupler (5), both the natural gas pipelines (2) are provided with sealing mechanisms, both the sealing mechanisms are connected with the motor (4), the support (3) is provided with a natural gas concentration detector (9) and a control module (10), the motor (4) and the natural gas concentration detector (9) are connected with the control module (10). The sealing mechanism (7) comprises worm gears (71), bevel gears (72), worm gears (73), transmission rods (74), gears (75), racks (76), sealing plates (77), ring plates (78) and cross plates (79), and the worm gears (71) are rotatably installed on the two natural gas pipelines (2).

2. An outdoor natural gas pipeline gate valve control apparatus according to claim 1, wherein, One end of each of the two worm gears (71) is fixedly connected with a bevel gear (72), and the two bevel gears (72) are meshedly connected with the same bevel gear (8), and the bevel gear (8) is fixedly sleeved on the output end of the motor (4).

3. An outdoor natural gas pipeline gate valve control apparatus according to claim 2, wherein, The worm gear (71) is meshedly connected with the worm gear (73), one side of the worm gear (73) is fixedly connected with the transmission rod (74), and the transmission rod (74) is rotatably connected with the natural gas pipeline (2).

4. An outdoor natural gas pipeline gate valve control apparatus according to claim 3, wherein One end of the transmission rod (74) is fixedly connected with the gear (75), the gear (75) is meshedly connected with the rack (76), and the rack (76) is slidably sleeved with two cross plates (79), and the two cross plates (79) are fixedly connected with the natural gas pipeline (2).

5. An outdoor natural gas pipeline gate valve control apparatus according to claim 4, wherein, One end of the rack (76) is fixedly connected with the sealing plate (77), one side of the sealing plate (77) is contactly connected with the ring plate (78), and the outer side of the ring plate (78) is fixedly connected with the natural gas pipeline (2).

6. An outdoor natural gas pipeline gate valve control apparatus according to claim 5, wherein, One side of the sealing plate (77) and the ring plate (78) is fixedly installed with a sealing ring, and the two sealing rings are contactly connected.

7. An outdoor natural gas pipeline gate valve control apparatus according to claim 3, wherein The transmission rod (74) is fixedly sleeved with a sealing bearing, and the outer wall of the sealing bearing is sealingly connected with the natural gas pipeline (2).

8. An outdoor natural gas pipeline gate valve control apparatus as defined in claim 1, wherein, Both ends of the transmission rod (74) are fixedly connected with the fixed plate (1), and the other end of the transmission rod (74) is rotatably connected with the fixed plate (2), and one end of the fixed plate (2) is contactly connected with the ball valve (1).

Images