CN218835461U

CN218835461U - Fastening mechanism and purging device for pipeline pressure test

Info

Publication number: CN218835461U
Application number: CN202223368311.2U
Authority: CN
Inventors: 刘来金; 袁灯; 赵桉安; 邵华坤; 秦卫国; 夏攀; 张轶洋; 陈思农
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-04-11
Anticipated expiration: 2032-12-15

Abstract

The utility model provides a fastening device and be used for sweeping device of pipeline pressure testing belongs to the pipeline pressure testing field of sweeping. The utility model discloses an air compression mechanism the pipeline the pneumatic valve the ring flange with a fastening device's combination design has solved heating pipeline and the problem that the connection position of sweeping the device needs further fastening among the prior art. The fastening mechanism includes: first nut, first clamp, second nut, two-way screw rod and locking part, first nut with the one end of first clamp is rotated and is connected, the other end of first clamp with the one end of second clamp is rotated and is connected, the other end of second clamp with the second nut is rotated and is connected, the screw thread of the one end of two-way screw rod be positive spiral and with first nut screw-thread fit, the screw thread of the other end of two-way screw rod be anti-spiral and with second nut screw-thread fit, locking part locks two-way screw rod.

Description

Fastening mechanism and purging device for pipeline pressure test

Technical Field

The utility model belongs to the pipeline pressure testing field of sweeping, especially relate to a fastening device and be used for sweeping device of pipeline pressure testing.

Background

Before carrying out the pressure testing to heating pipe, all need sweep the hydrops in order to clear away the pipeline and waste residue etc. to the pipeline, clear purpose is clear away with hydrops and waste residue in the pipeline in order to reach, the atmospheric pressure of sweeping the device all can be transferred greatly as far as possible, this has very high requirement to the fastness of the connection site of sweeping device and pipeline, the connection site of pipeline and sweeping the device is generally all through ring flange and bolt fixed connection now, on this basis, we need further fasten the pipeline and sweep the connection site of device, thereby further improve the security of sweeping the device when sweeping heating pipe.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcomings in the prior art, an object of the present invention is to provide a fastening mechanism and a purging device for testing pressure of a pipeline, which are used to solve the problem that the connection portion between a heating pipeline and the purging device in the prior art needs to be further fastened.

To achieve the above and other related objects, the present invention provides a fastening mechanism, comprising: first nut, first clamp, second nut, two-way screw rod and locking part, first nut with the one end of first clamp is rotated and is connected, the other end of first clamp with the one end of second clamp is rotated and is connected, the other end of second clamp with the second nut is rotated and is connected, the screw thread of the one end of two-way screw rod be positive spiral and with first nut screw-thread fit, the screw thread of the other end of two-way screw rod be anti-spiral and with second nut screw-thread fit, locking part locks two-way screw rod.

Optionally, locking part includes backup pad, fixed plate and nut, the bottom of backup pad is fixed, the backup pad is located one side of first clamp with one side of second clamp just the backup pad with one side of first clamp with leave the space between one side of second clamp, the fixed plate has two, the nut has two, the one end and one of backup pad fixed plate fixed connection, the other end and another of backup pad fixed plate fixed connection, the one end of two-way screw rod passes one with rotating fixed plate and one nut screw-thread fit, the other end of two-way screw rod passes another with rotating fixed plate and with another nut screw-thread fit.

Optionally, the fastening device further comprises a locking plate, and the locking plate is detachably and fixedly connected with the other side of the first clamp and the other side of the second clamp.

Optionally, locking mechanism still includes the third clamp, the one end of third clamp with the other end of first clamp is rotated and is connected, the other end of third clamp with the one end of second clamp is rotated and is connected.

Optionally, the locking mechanism further includes a housing, and the housing is sleeved outside the bidirectional screw, the first nut, and the second nut.

The utility model provides a device that sweeps for pipeline pressure testing, a device that sweeps for pipeline pressure testing include air compression mechanism, pipeline, pneumatic valve, ring flange and a fastening device, be provided with the gas outlet on the air compression mechanism, the ring flange has two, one ring flange fixed mounting is in the end of giving vent to anger of gas outlet, another ring flange fixed mounting is in the one end of pipeline, two fixed connection is in the same place for the ring flange seals, the pneumatic valve sets up on the gas outlet, first clamp with the second clamp encircles two the connection site of ring flange.

Optionally, the supporting plate is detachably and fixedly connected with one of the flanges, and the locking plate is detachably and fixedly connected with the other flange.

Optionally, the air compression mechanism includes first cylinder, power part and first gas holder, be provided with first admission valve and first air outlet valve on the first cylinder, the power part drive piston in the first cylinder is reciprocal linear motion, first gas holder with first cylinder is established ties.

Optionally, the power part includes motor, driving pulley, belt, driven pulleys, bent axle, crankcase and guard shield, motor drive driving pulley rotates, driving pulley rotates and drives the belt rotates, the belt rotates and drives driven pulleys rotates, driven pulleys rotates and drives the bent axle rotates, the bent axle rotates and drives piston in the first cylinder is reciprocal linear motion, the crankcase sets up the bent axle is outside, the guard shield sets up the belt outside.

Optionally, the air compression mechanism further comprises a second air storage tank and at least one second air cylinder, a second air inlet valve and a second air outlet valve are arranged on the second air cylinder, the crankshaft rotates to drive a piston in the second air cylinder to do reciprocating linear motion, the second air storage tank is connected with the first air cylinder in series, and the second air storage tank is connected with the second air cylinder in series.

As above, the utility model discloses a fastening device and be used for sweeping device of pipeline pressure testing has following beneficial effect at least:

1. this application passes through first nut first clamp the second nut two-way screw rod with locking part's design can be according to the diameter size adjustment of heating pipe and the ring flange of sweeping the connection position of device first clamp with the diameter size of the ring that the second clamp encloses not only can the ring flange at fastening connection position but also can adapt to the ring flange of certain diameter scope.

2. This application passes through the backup pad the fixed plate with the design of jam plate has carried out further fastening to heating pipe and the connection site of sweeping the device, simultaneously the backup pad with the fixed plate also does two-way screw rod first nut with the second nut provides the mounted position.

3. This application passes through the design of third clamp has promoted fastening device's flexibility makes fastening device can adapt to the heating pipe of more situations and the connection site of sweeping the device.

4. This application passes through air compression mechanism the pipeline the pneumatic valve the ring flange with a fastening device's combination design has fastened a connection site between sweeping device and the heating pipeline for the pipeline pressure testing has promoted the safety in utilization of equipment.

5. This application passes through the second cylinder with the function to the secondary compression of gas has been realized to the design of second gas holder, has promoted the effect of sweeping to heating pipeline.

Drawings

Fig. 1 shows that the utility model relates to a fastening device and be used for the schematic diagram of the device that sweeps of pipeline pressure testing.

Fig. 2 shows a schematic view of the fastening mechanism of the present invention.

Fig. 3 is a schematic view of the fastening mechanism (the housing is hidden) according to the present invention.

Fig. 4 is a schematic view of the air compression mechanism of the present invention.

Fig. 5 is a schematic view of the power unit of the present invention.

Description of the element reference numerals

The air compressor comprises a fastening mechanism 1, a first nut 11, a first clamp 12, a second clamp 13, a second nut 14, a bidirectional screw 15, a locking component 16, a supporting plate 161, a fixing plate 162, a nut 163, a locking plate 17, a third clamp 18, a shell 19, an air compression mechanism 2, an air outlet 21, a first air cylinder 22, a power component 23, a motor 231, a driving belt pulley 232, a belt 233, a driven belt pulley 234, a crankcase 235, a shield 236, a first air storage tank 24, a second air storage tank 25, a second air cylinder 26, a pipeline 3, an air valve 4 and a flange plate 5.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 5. It should be understood that the structures, ratios, sizes, etc. shown in the drawings of the present application are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, change of the ratio relationship or adjustment of the sizes should still fall within the scope of the present invention without affecting the functions and the achievable purposes of the present invention. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.

The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.

Referring to fig. 2 and 3, the present invention provides a fastening mechanism, in which the fastening mechanism 1 includes: first nut 11, first clamp 12, second clamp 13, second nut 14, two-way screw rod 15 and locking part 16, first nut 11 with the one end of first clamp 12 is rotated and is connected, the other end of first clamp 12 with the one end of second clamp 13 is rotated and is connected, the other end of second clamp 13 with second nut 14 is rotated and is connected, the screw thread of the one end of two-way screw rod 15 is positive spiral and with first nut 11 screw-thread fit, the screw thread of the other end of two-way screw rod 15 is reverse spiral and with second nut 14 screw-thread fit, locking part 16 locks two-way screw rod 15, we pass through the design of first nut 11, first clamp 12, second clamp 13, second nut 14, two-way screw rod 15 and locking part 16, can be according to the diameter size adjustment of heating pipe and the ring flange of the connection position of sweeping device the diameter size of the ring that first clamp 12 with second clamp 13 encloses not only can fasten the ring flange of connection position but also can adapt to the ring flange of certain diameter scope, adjusts the method of first clamp 12 with second clamp 13 is rotatory two-way screw rod 15, two-way screw rod 15 rotate drive first nut 11 with second nut 14 be close to each other or keep away from each other, work as first nut 11 with when the distance between the second nut 14 is in suitable position promptly first clamp 12 with second clamp 13 can reach the effect at fastening connection position, we just use locking part 16 will first nut 11 with the position locking of second nut 14 to reach the final purpose at fastening connection position.

In this embodiment, referring to fig. 2 and 3, the locking member 16 includes a support plate 161, a fixing plate 162 and a nut 163, a bottom of the support plate 161 is fixed, the support plate 161 is located on one side of the first yoke 12 and one side of the second yoke 13, and a gap is left between the support plate 161 and one side of the first yoke 12 and one side of the second yoke 13, the reason why the gap is left is that two nuts 163 are provided, one end of the support plate 161 is fixedly connected to one fixing plate 162, the other end of the support plate 161 is fixedly connected to the other fixing plate 162, one end of the bidirectional screw 15 rotatably passes through one fixing plate 162 and is threadedly engaged with the other fixing plate 162, and the other end of the bidirectional screw 15 rotatably passes through the other fixing plate 162 and is threadedly engaged with the other nut 163, where we only provide a structural design of the locking member 16, and we can also choose other structural designs, and do not exemplify here.

In this embodiment, referring to fig. 3, the fastening mechanism 1 further includes a locking plate 17, the locking plate 17 is detachably and fixedly connected to both the other side of the first clamp 12 and the other side of the second clamp 13, the purpose of the locking plate 17 is to further fasten the connection portion, and meanwhile, the stability of the first clamp 12 and the second clamp 13 after being locked is also increased.

In this embodiment, referring to fig. 3, the locking mechanism further includes a third clamp 18, one end of the third clamp 18 is rotatably connected to the other end of the first clamp 12, and the other end of the third clamp 18 is rotatably connected to one end of the second clamp 13, so that by the design of the third clamp 18, the flexibility of the fastening mechanism 1 is improved, and the fastening mechanism 1 can adapt to more connecting portions of heating pipes and purging devices.

In this embodiment, please refer to fig. 2 and fig. 3, the locking mechanism further includes a housing 19, the housing 19 is sleeved outside the bidirectional screw 15, the first nut 11 and the second nut 14, and by the design of the housing 19, the bidirectional screw 15, the first nut 11 and the second nut 14 can be prevented from being rusted and collided and other damages to a certain extent.

Please refer to fig. 1 and 4, the utility model provides a sweep device for pipeline pressure testing, a sweep device for pipeline pressure testing include air compression mechanism 2, pipeline 3, pneumatic valve 4, ring flange 5 and a fastening device 1, be provided with gas outlet 21 on the air compression mechanism 2, ring flange 5 has two, one ring flange 5 fixed mounting is in the end of giving vent to anger of gas outlet 21, another ring flange 5 fixed mounting is in the one end of pipeline 3, two ring flange 5 fixed connection together sealedly, pneumatic valve 4 sets up on the gas outlet 21, first clamp 12 with second clamp 13 encircles two the connection site of ring flange 5, we have fastened a connection site between a sweep device and the heating pipeline for pipeline pressure testing through the combined design of air compression mechanism 2, pipeline 3, pneumatic valve 4, ring flange 5 and a fastening device 1, have promoted the safety in utilization of equipment, have reached the final purpose of this design.

In this embodiment, referring to fig. 1 to fig. 3, the supporting plate 161 is detachably and fixedly connected to one of the flanges 5, and the locking plate 17 is detachably and fixedly connected to the other flange 5, and here, how the supporting plate 161 and the locking plate 17 are connected to the flange 5 and the fastening mechanism 1 is described in detail.

In this embodiment, referring to fig. 4, the air compression mechanism 2 includes a first air cylinder 22, a power component 23 and a first air storage tank 24, the first air cylinder 22 is provided with a first air inlet valve and a first air outlet valve, the power component 23 drives a piston in the first air cylinder 22 to perform reciprocating linear motion, and the first air storage tank 24 is connected in series with the first air cylinder 22.

In this embodiment, referring to fig. 4 and fig. 5, the power component 23 includes a motor 231, a driving pulley 232, a belt 233, a driven pulley 234, a crankshaft, a crankcase 235 and a shield 236, the motor 231 drives the driving pulley 232 to rotate, the driving pulley 232 rotates to drive the belt 233 to rotate, the belt 233 rotates to drive the driven pulley 234 to rotate, the driven pulley 234 rotates to drive the crankshaft to rotate, the crankshaft rotates to drive the piston in the first cylinder 22 to perform reciprocating linear motion, the crankcase 235 is disposed outside the crankshaft, and the shield 236 is disposed outside the belt 233.

In this embodiment, referring to fig. 4, the air compression mechanism 2 further includes a second air tank 25 and at least one second air cylinder 26, two second air cylinders are shown in the figure, the second air cylinder 26 is provided with a second air inlet valve and a second air outlet valve, the crankshaft rotates to drive a piston in the second air cylinder 26 to make a reciprocating linear motion, the second air tank 25 is connected in series with the first air cylinder 22, the second air tank 25 is connected in series with the second air cylinder 26, and by the design of the second air tank 26 and the second air tank 25, a secondary compression function of gas is realized, and a purging effect of a heating pipeline is improved.

In this embodiment, referring to fig. 4, we can also design an air filter, which is connected in series with the first cylinder 22 and the second cylinder 26, and the air filter can protect the cylinders, so as to provide the service life of the whole device.

To sum up, the fastening mechanism 1 and the purging device for pressure testing of pipelines of the present invention can adjust the diameter of the ring enclosed by the first clamp 12 and the second clamp 13 according to the diameter of the flange at the connection position of the heating pipeline and the purging device through the design of the first nut 11, the first clamp 12, the second clamp 13, the second nut 14, the two-way screw 15 and the locking component 16, so that not only the flange at the connection position can be fastened, but also the flange within a certain diameter range can be adapted; meanwhile, through the combined design of the air compression mechanism 2, the pipeline 3, the air valve 4, the flange plate 5 and the fastening mechanism 1, the connecting part between the purging device for pipeline pressure test and the heating pipeline is fastened, and the use safety of the equipment is improved. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. A fastening mechanism, characterized in that the fastening mechanism comprises: first nut, first clamp, second nut, two-way screw rod and locking part, first nut with the one end of first clamp is rotated and is connected, the other end of first clamp with the one end of second clamp is rotated and is connected, the other end of second clamp with the second nut is rotated and is connected, the screw thread of the one end of two-way screw rod be positive spiral and with first nut screw-thread fit, the screw thread of the other end of two-way screw rod be reverse spiral and with second nut screw-thread fit, locking part locks two-way screw rod.

2. A fastening mechanism according to claim 1, wherein: locking part includes backup pad, fixed plate and nut, the bottom of backup pad is fixed, the backup pad is located one side of first clamp with one side of second clamp just the backup pad with one side of first clamp with leave the space between one side of second clamp, the fixed plate has two, the nut has two, the one end and one of backup pad fixed plate fixed connection, the other end and another of backup pad fixed plate fixed connection, the one end of two-way screw rod passes one with rotating fixed plate and one nut screw-thread fit, the other end of two-way screw rod passes another with rotating fixed plate and another nut screw-thread fit.

3. A fastening mechanism according to claim 2, wherein: the fastening device further comprises a locking plate, and the locking plate is fixedly connected with the other side of the first clamp and the other side of the second clamp in a detachable mode.

4. A fastening mechanism according to claim 1, wherein: locking part still includes the third clamp, the one end of third clamp with the other end of first clamp is rotated and is connected, the other end of third clamp with the one end rotation of second clamp is connected.

5. A fastening mechanism according to claim 1, wherein: the locking component further comprises a shell which is sleeved outside the bidirectional screw, the first nut and the second nut.

6. The utility model provides a sweep device for pipeline pressure testing which characterized in that: a fastening device for pipeline pressure testing includes air compression mechanism, pipeline, pneumatic valve, ring flange and claim 3 a fastening device, the last gas outlet that is provided with of air compression mechanism, the ring flange has two, one the ring flange fixed mounting be in the end of giving vent to anger of gas outlet, another the ring flange fixed mounting be in the one end of pipeline, two the ring flange is in the same place with fixed connection sealedly, the pneumatic valve sets up on the gas outlet, first clamp with the second clamp encircles two the position of connection of ring flange.

7. The purging device for testing pressure of pipelines according to claim 6, wherein: the supporting plate is detachably and fixedly connected with one of the flanges, and the locking plate is detachably and fixedly connected with the other flange.

8. The purging device for testing the pressure of the pipeline according to claim 6, wherein: the air compression mechanism comprises a first air cylinder, a power part and a first air storage tank, a first air inlet valve and a first air outlet valve are arranged on the first air cylinder, the power part drives a piston in the first air cylinder to do reciprocating linear motion, and the first air storage tank is connected with the first air cylinder in series.

9. The purging device for testing the pressure of the pipeline according to claim 8, wherein: the power part comprises a motor, a driving belt wheel, a belt, a driven belt wheel, a crankshaft, a crankcase and a protective cover, the motor drives the driving belt wheel to rotate, the driving belt wheel rotates to drive the belt to rotate, the belt rotates to drive the driven belt wheel to rotate, the driven belt wheel rotates to drive the crankshaft to rotate, the crankshaft rotates to drive a piston in the first cylinder to do reciprocating linear motion, the crankcase is arranged outside the crankshaft, and the protective cover is arranged outside the belt.

10. The purging device for testing the pressure of the pipeline according to claim 9, wherein: the air compression mechanism further comprises a second air storage tank and at least one second air cylinder, a second air inlet valve and a second air outlet valve are arranged on the second air cylinder, the crankshaft rotates to drive a piston in the second air cylinder to do reciprocating linear motion, the second air storage tank is connected with the first air cylinder in series, and the second air storage tank is connected with the second air cylinder in series.