CN215371074U

CN215371074U - Pipeline stop device

Info

Publication number: CN215371074U
Application number: CN202023134548.5U
Authority: CN
Inventors: 张坤; 庄磊
Original assignee: DATANG HUAIBEI POWER PLANT
Current assignee: DATANG HUAIBEI POWER PLANT
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-12-31
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a pipeline stopping device which comprises a first-stage clamping piece, wherein screw rods are movably sleeved on the left side and the right side of the inner surface of the first-stage clamping piece, second-stage clamping pieces are movably sleeved on the upper surface and the lower surface of the outer surface of each screw rod, first-stage tightening nuts are movably sleeved on the upper surface and the lower surface of the outer surface of each screw rod, a dismounting frame is fixedly installed on one side of the first-stage clamping piece, a fixed column is clamped on the other side of the dismounting frame, a lubricating box is fixedly installed on the other side of the fixed column, a communicating sleeve gasket is fixedly sleeved on the top of the lubricating box, a conveying pipe is movably sleeved in the middle of the communicating sleeve gasket, and a smearing brush is fixedly communicated with the top of the conveying pipe. In the above scheme, the lubricating mechanism of the pipeline stopping device can paint lubricating oil on the screw rod when the screw rod is seriously abraded, so that the lubricating protection is carried out, and the lubricating degree and the service life of the screw rod are improved.

Description

Pipeline stop device

Technical Field

The utility model relates to the technical field of thermal power plants and pipeline valve maintenance, in particular to a pipeline stop device.

Background

Meet valve pipeline leakage condition often and need urgent processing in the unit operation of thermal power plant, meet the condition that the valve internal leakage need be kept apart, use pipeline stop device to end medium circulation in the pipeline, current leaking stoppage technique is like: repair welding, injecting glue, etc. to the condition that the medium requirement can only satisfy water, vapour and leak in the pipeline, if the medium is oil, then can not use repair welding and injecting glue etc. method, in addition, current pipeline stop device does not have fine lubrication protection mechanism for after the long-time work of screw rod in pipeline stop device, the screw rod wearing and tearing are serious, and inconvenient continuation is stopped work, and its life reduces.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, an embodiment of the present invention provides a pipeline stopping device, so as to solve the problems of the existing plugging technologies, such as: repair welding, glue injection and the like, the requirement on the medium in the pipeline can only meet the condition of water and steam leakage, and if the medium is oil, the methods of repair welding, glue injection and the like cannot be used.

In order to solve the technical problems, the utility model provides the following technical scheme:

a pipeline stopping device comprises a first-stage clamping piece, wherein screw rods are movably sleeved on the left side and the right side of the inner surface of the first-stage clamping piece, second-stage clamping pieces are movably sleeved on the upper surface and the lower surface of the outer surface of each screw rod, first-stage tightening nuts are movably sleeved on the upper surface and the lower surface of the outer surface of each screw rod, and second-stage tightening nuts are movably sleeved on the upper surface and the lower surface of the outer surface of each screw rod;

one side fixed mounting of one-level folder has the dismouting frame, the opposite side joint of dismouting frame has the fixed column, the opposite side fixed mounting of fixed column has lubricated case, the fixed cover in top of lubricated case is equipped with the intercommunication cover and fills up, the middle part activity of intercommunication cover pad has cup jointed the conveyer pipe, the fixed intercommunication in top of conveyer pipe has the brush of smearing.

The lubricating box comprises a lubricating box body, a lubricating oil tank, an oil pumping pipe, an oil storage chamber, an oil pumping pipe, a conveying pipe, a fixing seat, an oil pump, an oil pumping pipe, a conveying pipe and a lubricating oil tank, wherein the lubricating oil tank body is provided with an oil storage chamber, the oil pumping groove is formed in one side of the top of the oil storage chamber, the fixing seat is fixedly mounted at the top of the fixing seat, the oil pump is fixedly communicated with one side of the oil pump, the other side of the oil pump is communicated with the conveying pipe, and the conveying groove is formed in the top of the lubricating box.

The detachable top of the detachable frame is movably sleeved with a detachable nut, a detachable top groove is formed in the top of the detachable frame, clamping side plates are fixedly mounted on the upper surface and the lower surface of one side of an inner cavity of the detachable frame, a locking seat is fixedly mounted on the bottom of the inner cavity of the detachable frame, a clamping rod is movably clamped at the top of the locking seat, a connecting rod is movably clamped at the other side of the clamping side plate, a connecting groove is formed in the middle of the connecting rod, and welding grooves are formed in the upper surface and the lower surface of the other side of the detachable frame.

Wherein, the inner wall fixed mounting of lubricated case has control panel, and control panel's output and the input electric connection of oil-well pump, control panel's input and external power source's output electric connection.

The outer fixed surface at fixing base top is equipped with the shock pad, and the material of shock pad is the rubber material, the bottom of conveyer pipe passes the conveyer trough and fixed the intercommunication with the oil-well pump opposite side.

Wherein, the material of the daubing brush is fiber material.

The other side of the connecting rod penetrates through the welding groove to be welded with one side of the fixing column, and the top of the clamping rod penetrates through the dismounting top groove to be welded with the bottom of the dismounting nut.

The technical scheme of the utility model has the following beneficial effects:

in the scheme, under the condition that the pipeline valve leakage condition generated in the operation of the thermal power plant unit cannot be normally isolated, the pipeline stop device can cut off the medium circulation in pipelines of DN100 and below, and the damage of unit shutdown caused by excessive oil pipeline leakage in the safe operation of the unit is eliminated; the lubricating mechanism can paint lubricating oil on the screw rod when the screw rod is seriously abraded, so that the lubricating protection is carried out, the lubricating degree of the screw rod is improved, and the service life of the screw rod is prolonged.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged view of the structure at B of FIG. 1;

FIG. 4 is a schematic view of the structure of the inner cavity of the lubrication box of the present invention.

[ reference numerals ]

1. A first-stage clamp; 2. a second-stage clamping piece; 3. a first stage of tightening nuts; 4. a second stage of tightening the nut; 5. a screw; 6. a dismounting frame; 7. disassembling and assembling the screw cap; 8. disassembling and assembling the top groove; 9. clamping the side plates; 10. a locking seat; 11. a clamping and connecting rod; 12. a connecting rod; 13. connecting grooves; 14. welding a groove; 15. fixing a column; 16. a lubrication box; 17. the sleeve gasket is communicated; 18. a delivery pipe; 19. coating and brushing; 161. an oil storage chamber; 162. an oil pumping groove; 163. a fixed seat; 164. a small oil well pump; 165. an oil pumping pipe; 166. a conveying trough.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, an embodiment of the present invention provides a pipeline stopping device, including a first-stage clamping piece 1, wherein both left and right sides of an inner surface of the first-stage clamping piece 1 are movably sleeved with a screw 5, both upper and lower surfaces of an outer surface of the screw 5 are movably sleeved with a second-stage clamping piece 2, both upper and lower surfaces of an outer surface of the screw 5 are movably sleeved with a first-stage tightening nut 3, and both upper and lower surfaces of an outer surface of the screw 5 are movably sleeved with a second-stage tightening nut 4; one side fixed mounting of one-level folder 1 has dismouting frame 6, the opposite side joint of dismouting frame 6 has fixed column 15, the opposite side fixed mounting of fixed column 15 has lubricated case 16, the fixed cover in top of lubricated case 16 is equipped with intercommunication cover pad 17, the middle part activity of intercommunication cover pad 17 has cup jointed conveyer pipe 18, the fixed intercommunication in top of conveyer pipe 18 has scribbled brush 19.

As shown in fig. 4, an oil storage chamber 161 is arranged in the inner cavity of the lubrication box 16, an oil pumping groove 162 is formed in one side of the top of the oil storage chamber 161, a fixed seat 163 is fixedly installed at the top of the oil storage chamber 161, a small oil well pump 164 is fixedly installed at the top of the fixed seat 163, an oil pumping pipe 165 is fixedly communicated with one side of the small oil well pump 164, the other side of the small oil well pump is communicated with the delivery pipe 18, and a delivery groove 166 is formed in the top of the lubrication box 16.

As shown in fig. 2, the top movable sleeve of dismouting frame 6 is equipped with dismouting nut 7, dismouting top groove 8 has been seted up at the top of dismouting frame 6, the equal fixed mounting in upper and lower two sides of dismouting frame 6 inner chamber one side has joint curb plate 9, the bottom fixed mounting of dismouting frame 6 inner chamber has locking seat 10, the top activity joint of locking seat 10 has joint pole 11, the opposite side activity joint of joint curb plate 9 has connecting rod 12, spread groove 13 has been seted up at the middle part of connecting rod 12, welding groove 14 has all been seted up on the upper and lower two sides of dismouting frame 6 opposite side.

The inner wall fixed mounting of lubricated case 16 has control panel, and control panel's output and the input electric connection of small-size oil-well pump 164, control panel's input and external power source's output electric connection.

As shown in fig. 4, a shock absorbing pad is fixedly sleeved on the outer surface of the top of the fixing base 163, the shock absorbing pad is made of rubber, and the bottom of the delivery pipe 18 passes through the delivery groove 166 to be fixedly communicated with the other side of the mini-pump 164.

The material of the smearing brush 19 is fiber material.

The other side of the connecting rod 12 penetrates through the welding groove 14 to be welded with one side of the fixing column 15, and the top of the clamping rod 11 penetrates through the dismounting top groove 8 to be welded with the bottom of the dismounting nut 7.

Wherein, the brand of control panel is delaxi electricity, and the model is KG, and the brand of small-size oil-well pump 164 is forest, and the model is HJJP.

The working process of the utility model is as follows:

when the screw 5 is used for a long time, firstly, an external power supply is connected with a control panel to start, then the control panel is used for driving a small-sized oil well pump 164 to work, then the lubricating oil in the oil storage chamber 161 is pumped out through an oil pumping pipe 165, then the lubricating oil is conveyed into a smearing brush 19 through a conveying pipe 18, then a worker pulls up the conveying pipe 18 and the smearing brush 19 to smear on the outer surface of the screw 5, so that lubrication protection is performed, the screw 5 is prevented from being seriously abraded due to blockage, the service life of the screw is prolonged, in addition, after the screw is used up, the worker can rotationally pull out a dismounting nut 7 and a clamping rod 11, then pull out a lubricating box 16, a fixing column 15 and a connecting rod 12 from a welding groove 14, so that dismounting and replacement are performed, the lubrication smearing is convenient, then the two-stage tightening nut 4, a first-stage clamping piece 1 and a second-stage clamping piece 2 are used, and the screw can be suitable for pipelines with DN40-DN100 large pipe diameters and slightly high pressure, thin-wall hydraulic jacks can be placed in the first-stage clamping piece 1 and the second-stage clamping piece 2 to enhance the clamping force.

According to the scheme, the pipeline stopping device is a safe and efficient device for clamping and flattening the leakage pipeline to block medium circulation, and if leakage points exist on the main pipeline, the leakage points cannot be eliminated and cannot be isolated, the pipeline stopping device is used for effectively blocking the main pipeline, and a measure for safely putting the bypass pipeline into operation is taken. The method is practically suitable for emergency treatment of leakage points on oil pipelines with more small pipe diameters, and eliminates the damage of unit shutdown caused by excessive leakage of the oil pipelines in the safe operation of the unit.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims

1. A pipeline stop device comprises a first-stage clamping piece and is characterized in that a screw rod is movably sleeved on the left side and the right side of the inner surface of the first-stage clamping piece, a second-stage clamping piece is movably sleeved on the upper surface and the lower surface of the outer surface of the screw rod, a first-stage tightening nut is movably sleeved on the upper surface and the lower surface of the outer surface of the screw rod, and a second-stage tightening nut is movably sleeved on the upper surface and the lower surface of the outer surface of the screw rod;

2. The pipeline stopping device according to claim 1, wherein an oil storage chamber is arranged in the inner cavity of the lubricating box, an oil pumping groove is formed in one side of the top of the oil storage chamber, a fixed seat is fixedly mounted at the top of the oil storage chamber, an oil well pump is fixedly mounted at the top of the fixed seat, an oil pumping pipe is fixedly communicated with one side of the oil well pump, the other side of the oil well pump is communicated with the conveying pipe, and a conveying groove is formed in the top of the lubricating box.

3. The pipeline stopping device according to claim 1, wherein a dismounting nut is movably sleeved on the top of the dismounting frame, a dismounting top groove is formed in the top of the dismounting frame, clamping side plates are fixedly mounted on the upper surface and the lower surface of one side of an inner cavity of the dismounting frame, a locking seat is fixedly mounted on the bottom of the inner cavity of the dismounting frame, a clamping rod is movably clamped on the top of the locking seat, a connecting rod is movably clamped on the other side of the clamping side plate, a connecting groove is formed in the middle of the connecting rod, and welding grooves are formed in the upper surface and the lower surface of the other side of the dismounting frame.

4. The pipeline stop device according to claim 1, wherein a control panel is fixedly mounted on an inner wall of the lubrication box, an output end of the control panel is electrically connected with an input end of the oil well pump, and an input end of the control panel is electrically connected with an output end of an external power supply.

5. The pipeline stop device according to claim 2, wherein a shock pad is fixedly sleeved on the outer surface of the top of the fixing seat, the shock pad is made of rubber, and the bottom of the delivery pipe penetrates through the delivery groove to be fixedly communicated with the other side of the oil well pump.

6. The pipe shut-off device of claim 1, wherein the material of the applicator brush is a fibrous material.

7. The pipe stop device of claim 3, wherein the other side of the connecting rod is welded to one side of the fixing post through a welding groove, and the top of the clamping rod is welded to the bottom of the nut through a top groove.