CN114033921A - Plugging device for municipal pipeline port - Google Patents
Plugging device for municipal pipeline port Download PDFInfo
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- CN114033921A CN114033921A CN202111426765.8A CN202111426765A CN114033921A CN 114033921 A CN114033921 A CN 114033921A CN 202111426765 A CN202111426765 A CN 202111426765A CN 114033921 A CN114033921 A CN 114033921A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
- F16L55/1157—Caps using hooks, pawls, or other movable or insertable locking members
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Abstract
The application relates to a plugging device for a municipal pipeline port, which comprises a screw rod and an outer end cover, wherein the outer end cover is tightly abutted against the pipeline port, the screw rod is perpendicular to the outer end cover, one end of the screw rod is rotatably connected with the outer end cover, the other end of the screw rod extends into the pipeline, and a clamping mechanism for clamping the outer side wall of the pipeline is arranged on the outer end cover; one end of the screw rod, which is far away from the outer end cover, is fixedly connected with a fixed block, the fixed block is provided with a plurality of abutting rods along the circumferential direction, one ends of the plurality of abutting rods are hinged with the fixed block, and the other ends of the plurality of abutting rods are hinged with abutting blocks which are used for abutting against the inner wall of the pipeline; one ends of the plurality of abutting rods, which are far away from the fixed block, are gathered or dispersed to the central line of the screw rod; the screw rod is provided with an expansion assembly for driving the abutting rods to disperse and realize abutting of the abutting blocks and the inner wall of the pipeline. This application has the stability that promotes plugging device shutoff effect, installs the effect convenient, that reduce the energy consumption.
Description
Technical Field
The application relates to the technical field of pipeline plugging, in particular to a plugging device for a municipal pipeline port.
Background
In the production process, in order to prevent silt, water, mice and the like in the production process from entering the pipeline, a pipeline plugging device is usually arranged at the end part of the pipeline.
The existing pipeline plugging device usually adopts a cover plate or a single air bag, the cover plate is generally provided with a sealing ring which is matched with the inner wall of the pipeline, the sealing ring is plugged into the pipeline, the cover plate is abutted against the end port of the pipeline for sealing, when the cover plate is used for plugging, the sealing ring hard plug (top) needs to be plugged into the pipeline by heavy equipment such as an excavator or a bulldozer, and the like, and when the sealing ring is disassembled, the sealing ring needs to be pulled out of the pipeline by the heavy equipment such as the excavator or the tractor, so that the mounting and the disassembling are inconvenient, and time and energy are wasted; the single air bag is mostly made of high polymer materials such as rubber, when the air bag is used, the air bag is inflated by putting the air bag into a pipeline, and the expanded air bag is abutted against the inner wall of the pipeline, so that the pipeline is blocked; the problems of poor plugging effect and low plugging reliability of the pipeline plugging device are caused.
In view of the above-mentioned related art, the inventor believes that the existing plugging device has the defects of time and energy consumption and unstable plugging effect when in use.
Disclosure of Invention
In order to promote the stability of plugging device shutoff effect, simple to operate reduces the energy consumption, this application provides a plugging device for municipal pipeline port.
The application provides a plugging device for municipal pipeline port adopts following technical scheme:
a plugging device for a municipal pipeline port comprises a screw and an outer end cover which is tightly abutted with the pipeline port, wherein the screw is perpendicular to the outer end cover, one end of the screw is rotatably connected with the outer end cover, the other end of the screw extends into the pipeline, and a clamping mechanism for clamping the outer side wall of the pipeline is arranged on the outer end cover; one end of the screw rod, which is far away from the outer end cover, is fixedly connected with a fixed block, a plurality of abutting rods are arranged on the fixed block along the circumferential direction, one ends of the abutting rods are hinged with the fixed block, and the other ends of the abutting rods are hinged with abutting blocks used for abutting against the inner wall of the pipeline; one ends of the plurality of the abutting rods, which are far away from the fixed block, are gathered or dispersed to the central line of the screw rod; the screw rod is provided with an expansion assembly for driving the abutting rods to disperse and realize abutting of the abutting blocks and the inner wall of the pipeline.
Through adopting above-mentioned technical scheme, stretch into the pipeline with the screw rod inside, with outer end cover butt at the mouth of pipe tip, closely the butt with a plurality of support pieces and pipeline inner wall through the expansion subassembly, through clamping mechanism with the outside fixed clamp of pipeline, realize the fixed of outer end cover. The inner part of the pipeline is abutted and fixed through the abutting rod and the abutting block which are circumferentially gathered and expanded by the central line of the screw rod, so that the auxiliary mounting and dismounting of large equipment are not needed, and the mounting and dismounting are efficient and convenient; this application plugging device need not to aerify, has reduced the energy consumption of aerifing of monomer gasbag, and increases the frictional force of plugging device and pipeline inner wall through mechanical structure, has reduced the problem of the wearing and tearing of plugging device self, because the gasbag adopts polymer materials such as rubber to make, damaged gasbag still need carry out recovery processing through specific technology, is unfavorable for environmental protection, this application plugging device is compared in gasbag environmental protection more. In summary, the plugging device adopts mechanical structure matching, the pipeline is clamped on the plugging device through internal abutting and external clamping, the clamping between the plugging device and the pipeline is stable, and the plugging effect is stable; the device does not need external equipment, is convenient to install, has low energy consumption, and is environment-friendly and pollution-free.
Preferably, the expansion assembly comprises a sliding block sleeved on the screw rod, and the sliding block is in threaded connection with the screw rod; the outer end cover is provided with a guide piece for limiting the slider to move linearly along the length direction of the screw rod; a plurality of push rods are arranged on the sliding block, one ends of the push rods are hinged with the abutting rods, and the other ends of the push rods are hinged with the sliding block; the push rods and the abutting rods are in one-to-one correspondence, and the plugging device is further provided with a driving mechanism for driving the screw rod to rotate.
By adopting the technical scheme, the driving mechanism drives the screw rod to rotate, the sliding block horizontally moves along the length direction of the screw rod under the limitation of the guide piece to drive the push rod to move, and the push rod pulls the abutting rod, so that the abutting rod can circumferentially expand and disperse along the central line of the screw rod, and the abutting block is tightly abutted against the inner wall of the pipeline, thereby realizing abutting fixation on the inside of the pipeline; the expansion and tightening of the tightening block are realized by rotating the screw rod, the operation is simple, and the structure is stable.
Preferably, the clamping mechanism includes a pair of clamping blocks arranged oppositely, both of the clamping blocks are slidably connected with the outer end cover, and the clamping mechanism further includes an adjusting assembly for adjusting the two clamping blocks to approach or separate from each other.
Through adopting above-mentioned technical scheme, earlier keep away from each other through two tight blocks of clamp of adjusting part drive before the shutoff, the installation of the plugging device of being convenient for shields outer end cover and the mouth of pipe after complete, and two tight blocks of clamp of rethread adjusting part drive are close to each other to carry out the centre gripping to the pipeline outer wall, realize the fixed of outer end cover. The clamping blocks and the adjusting assembly are arranged to be beneficial to improving the connection stability between the plugging device and the pipeline, and further improving the stability of the plugging device for plugging the pipeline.
Preferably, the adjusting assembly comprises a movable block sleeved on the screw rod, and the movable block is in threaded connection with the screw rod; the movable block linearly moves along the length direction of the screw rod through the guide piece; the movable block is provided with a pair of connecting rods, one end of each connecting rod is hinged to the movable block, the other end of each connecting rod is hinged to a sliding rod, the two sliding rods extend in the direction perpendicular to the length direction of the screw rod, the outer end cover is provided with a sliding groove for the sliding of the sliding rods, the central lines of the two sliding grooves are located on the same straight line, and one end, far away from each connecting rod, of each sliding rod penetrates out of the sliding groove and is fixedly connected with the two clamping blocks.
Through adopting above-mentioned technical scheme, rotate the screw rod, the movable block receives the restriction of guide to remove along screw rod length direction, drives the connecting rod and removes, and the connecting rod pulling slide bar slides along spout length direction in the spout. The two clamping blocks are driven by the two sliding rods to move close to or away from each other, so that the outer wall of the pipeline is clamped and loosened; the linkage of the connecting rods has simple structure and simple and convenient operation.
Preferably, the guide piece is a guide rod, the guide rod is parallel to the length direction of the screw rod, one end of the guide rod is fixedly connected with the outer end cover, and the other end of the guide rod penetrates through the movable block and the sliding block to horizontally extend towards the inside of the pipeline respectively.
By adopting the technical scheme, the guide rod respectively penetrates through the movable block and the sliding block, so that the movement directions of the movable block and the sliding block are limited, the connection stability between the movable block and the sliding block and the device is enhanced, a certain supporting effect is provided for the screw rod, and the device is more stable during adjustment; compared with the method of guiding and limiting in the groove in the pipeline, the guide rod is simple in structure and low in cost.
Preferably, the screw comprises a first screw and a second screw, the first screw and the second screw are abutted, and the central lines of the first screw, the second screw and the pipeline are positioned on the same straight line; the movable block is sleeved on the first screw rod, and the sliding block is sleeved on the second screw rod; the driving mechanism comprises a knob for driving the first screw rod to rotate and a rotating shaft for driving the second screw rod to rotate.
By adopting the technical scheme, the knob drives the first screw rod to rotate to drive the movable block to move, so that the clamping block is adjusted; the rotating shaft drives the second screw rod to rotate to drive the sliding block to move, so that the abutting block is expanded and folded; the separation of the first screw and the second screw realizes the independent adjustment of external clamping and internal abutting of the plugging device, so that the targeted adjustment of pipelines with different wall thicknesses is facilitated, and the applicability of the plugging device is greatly improved.
Preferably, the rotating shaft penetrates through the first screw rod and is fixedly connected with the second screw rod, and the first screw rod is rotatably connected with the rotating shaft; one end of the rotating shaft, which is far away from the second screw rod, extends out of the outer end cover, and the knob is movably connected with one end of the first screw rod, which is far away from the second screw rod; the drive mechanism further includes a conversion assembly for converting the independent rotation of the first and second screws into synchronous rotation.
By adopting the technical scheme, the knob is rotated to drive the first screw rod to rotate, so that the clamping block is adjusted; the rotating shaft is rotated to drive the second screw rod to rotate, so that the abutting block is adjusted; the rotation adjustment is realized, the structure is simple, and the operation is simple and convenient; the setting of conversion subassembly both can have adjusted simultaneously to the piece that supports and press from both sides tight piece, also can adjust both alone, has promoted the work efficiency and the accuracy of adjusting work greatly.
Preferably, the conversion assembly comprises a telescopic rod, one end of the telescopic rod is fixedly connected with one end of the first screw rod, which is far away from the second screw rod, and the other end of the telescopic rod is fixedly connected with the knob; a cross-shaped torsion block is fixedly connected to one end, far away from the second screw, of the rotating shaft, and the rotating shaft penetrates through the knob, and a cross-shaped clamping groove for clamping the cross-shaped torsion block is formed in the knob; when the telescopic rod extends to the limit position, namely the knob moves to the limit position in the direction close to the cross-shaped twisting block, the cross-shaped twisting block is clamped in the cross-shaped clamping groove, and the knob is clamped and fixed with the rotating shaft; when the telescopic rod is contracted to the limit position, namely the knob moves to the limit position in the direction far away from the cross twisting block, the cross twisting block is separated from the cross clamping groove.
By adopting the technical scheme, the synchronous adjustment and the independent adjustment of the clamping block and the abutting block of the plugging device are converted by the conversion assembly through the expansion and contraction of the telescopic rod and the clamping and matching of the cross-shaped twisting block, the adjustment modes are various, and the adjustment is more accurate; the cross is turned round the piece joint in the cross draw-in groove, and the joint is stable, and difficult slippage is favorable to promoting the accuracy and the stability of adjusting work, and the design that the piece was turned round to the cross is convenient for the staff to control the wrench movement, has promoted the convenience that the device adjusted.
Preferably, one side of the abutting block abutting against the inner wall of the pipeline is provided with an elastic rubber pad.
Through adopting above-mentioned technical scheme, elastic rubber pad's elastic deformation has strengthened the compactness and the stability of butt between tight piece and the pipeline inner wall, and then has promoted the stability of device to the pipeline shutoff.
Preferably, the clamping block is provided with an anti-skid gasket at one side abutting against the outer wall of the pipeline.
Through adopting above-mentioned technical scheme, the anti-skidding gasket has increased the frictional force between the tight piece of clamp and the pipeline outer wall, is favorable to strengthening the connection stability between outer end cover and the pipeline.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the plugging device comprises an outer end cover and a screw rod, wherein the outer end cover is used for being tightly abutted with the port of the pipe orifice; the outer end cover is provided with a clamping mechanism for clamping the outer side wall of the pipeline; one end of the screw rod is rotatably connected with the outer end cover, the other end of the screw rod extends into the pipeline, a fixed block is sleeved on the screw rod, a plurality of abutting rods are arranged on the fixed block along the circumferential direction, one ends of the plurality of abutting rods are hinged with the fixed block, and the other ends of the plurality of abutting rods are hinged with abutting blocks used for abutting against the inner wall of the pipeline; the screw rod is provided with an expansion assembly for driving the abutting rods to disperse to realize abutting of the abutting blocks and the inner wall of the pipeline; the inner part of the pipeline is tightly abutted and fixed through the abutting rod and the abutting block which are circumferentially gathered and expanded by using the central line of the screw rod, so that the auxiliary installation of large equipment is not needed, the inflation is also not needed, the installation is convenient and efficient, the energy consumption is small, and the environment is protected and pollution is avoided; the pipeline is stably clamped on the plugging device through the internal and external matching of the mechanical structure, so that the plugging effect is stable;
2. the expansion assembly comprises a sliding block sleeved on the screw rod, and the sliding block is in threaded connection with the screw rod; a plurality of push rods are arranged on the sliding block, one ends of the push rods are hinged with the sliding block, and the other ends of the push rods are correspondingly hinged with a supporting rod; the screw rod rotates to drive the sliding block to horizontally move on the screw rod, the push rod pulls the abutting rod to realize expansion movement, so that the abutting block is tightly abutted against the inner wall of the pipeline, the pushing is realized by the screw rod, the sliding block and the connecting rod, the adjustment is stable, and the operation is simple and convenient;
3. the screw comprises a first screw and a second screw, the first screw is abutted with the second screw, the movable block is sleeved on the first screw, and the sliding block is sleeved on the second screw; the knob drives the first screw rod to rotate to drive the movable block to move, so that the clamping block is adjusted; the rotating shaft drives the second screw rod to rotate to drive the sliding block to move, so that the abutting block is expanded and folded; the separation of first screw rod and second screw rod sets up and has realized that the device is outside presss from both sides tightly and inside supports tight independent control, is favorable to adjusting pertinence to the pipeline of different wall thicknesses, has promoted plugging device's suitability.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a structural sectional view of the embodiment of the present application when installed in cooperation with a pipe.
Fig. 3 is a schematic structural diagram of another perspective view of the embodiment of the present application, particularly illustrating the structure of the knob and the cross-piece.
Fig. 4 is a partially enlarged view of a in fig. 3.
Description of reference numerals:
1. a pipeline; 2. an outer end cover; 21. a chute; 22. connecting grooves; 23. a slide bar; 24. a clamping block; 25. an anti-slip gasket; 3. a screw; 31. a first screw; 32. a telescopic rod; 33. a knob; 331. a cross clamping groove; 34. a second screw; 35. a rotating shaft; 351. a cross-shaped twisting block; 4. a movable block; 41. a connecting rod; 5. a slider; 51. a push rod; 6. a fixed block; 61. a support rod; 62. a propping block; 63. an elastic rubber pad; 7. a guide rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a plugging device for municipal pipeline port. Referring to fig. 1 and 2, the plugging device comprises an outer end cover 2 and a screw rod 3, wherein the outer end cover 2 is a circular flat plate, and the outer end cover 2 is tightly abutted to the pipe orifice of the pipeline 1; the outer end cover is provided with a clamping mechanism for clamping the outer wall of the pipeline 1; the screw rod 3 is perpendicular with outer end cover 2, and inside the one end of screw rod 3 was connected with outer end cover 2 middle part rotary type, the other end stretched into pipeline 1 along the horizontal direction, was provided with a plurality of tight blocks 62 that support that are used for supporting tight pipeline 1 inner wall on the screw rod 3.
Referring to fig. 2 and 3, the screw 3 includes a first screw 31 and a second screw 34, the central lines of the first screw 31, the second screw 34 and the pipe 1 are located on the same straight line, the first screw 31 and the second screw 34 abut against each other, and the first screw 31 is located at one end close to the outer end cover 2; the occlusion device further comprises a driving mechanism, wherein the driving mechanism comprises a knob 33 for driving the first screw 31 to rotate and a rotating shaft 35 for driving the second screw 34 to rotate.
The rotating shaft 35 extends along the length direction of the second screw 34, the rotating shaft 35 is fixedly connected with one end of the second screw 34 close to the first screw 31, the first screw 31 is sleeved on the rotating shaft 35, the first screw 31 is rotatably connected with the rotating shaft 35, and one end of the rotating shaft 35, which is far away from the second screw 34, penetrates out of the outer end cover 2. One end of the first screw 31, which is far away from the second screw 34, is rotatably connected with the outer end cap 2, the knob 33 is located on one side of the outer end cap 2, which is far away from the pipeline 1, and the knob 33 is movably connected with one end of the first screw 31, which is far away from the second screw 34. The knob 33 is rotated to drive the first screw 31 to rotate, the rotating shaft is rotated to drive the second screw 34 to rotate, and the driving mechanism further comprises a conversion component for converting the independent rotation of the first screw 31 and the second screw 34 into synchronous rotation.
The conversion subassembly includes the telescopic link, and the telescopic link sets up four in this application, and four telescopic links 32 are all flexible along first screw rod 31 length direction, and the dead lever of four telescopic links 32 and first screw rod 31 fixed connection, four telescopic links 32's movable rod and knob 33 fixed connection.
Referring to fig. 3 and 4, the rotating shaft 35 penetrates through the knob 33, a cross-shaped block 351 is fixedly connected to one end of the rotating shaft 35, which penetrates through the knob 33, and a cross-shaped slot 331 for clamping and fixing the cross-shaped block 351 is formed in the knob 33; the knob 33 is pulled out to the limit state in the direction close to the cross-shaped button block 351, at the moment, the telescopic rod 32 extends to the limit state, the cross-shaped button block 351 is clamped in the cross-shaped clamping groove 331, the knob 33 is clamped and fixed with the rotating shaft 35, and the first screw 31 and the second screw 34 can be driven to rotate simultaneously by rotating the knob 33; the knob 33 is pressed to the direction far away from the cross-shaped twisting block 351 to the limit state, the telescopic rod 32 is contracted to the limit state at the moment, the cross-shaped twisting block 351 is separated from the cross-shaped clamping groove 331, and the knob 33 and the rotating shaft 35 can be respectively rotated at the moment to drive the first screw rod 31 and the second screw rod 34 to respectively rotate.
Referring to fig. 1 and 2, the clamping mechanism on the outer end cap 2 includes a pair of clamping blocks 24, both clamping blocks 24 are slidably connected with the outer end cap 2, and the clamping mechanism further includes an adjusting assembly for adjusting the two clamping blocks 24 to approach or separate from each other. The adjusting assembly comprises a movable block 4 sleeved on the first screw rod 31, the movable block 4 is a circular plate, and the movable block 4 is in threaded connection with the first screw rod 31; the outer end cover 2 is provided with a guide piece for limiting the linear motion of the movable block 4 along the length direction of the first screw rod 31, the guide piece is a guide rod 7 in the embodiment of the application, the guide rod 7 is parallel to the first screw rod 31, one end of the guide rod 7 is fixedly connected with one side of the outer end cover 2 close to the pipe orifice, and the other end penetrates through the movable block 4 and horizontally extends towards the inside of the pipeline 1.
A pair of connecting rods 41 are hinged on the movable block 4, one ends, far away from the movable block 4, of the two connecting rods 41 are respectively provided with a sliding rod 23, the two sliding rods 23 are parallel to the outer end cover 2 and extend along the same straight line, sliding grooves 21 for the sliding of the sliding rods 23 are formed in the outer end cover 2 corresponding to the positions of the two sliding rods 23, and the two sliding rods 23 can move close to or away from each other in the two sliding grooves 21 along the same straight line; a pair of connecting grooves 22 are further formed in the outer end cover 2, the two connecting grooves 22 extend along the length direction of the two sliding grooves 21 respectively, the two connecting grooves 22 are communicated with the two sliding grooves 21 respectively, one ends, far away from the movable block 4, of the two connecting rods 41 are hinged to the two sliding rods 23 respectively, and one ends, far away from the connecting rods 41, of the two sliding rods 23 penetrate through the two sliding grooves 21 respectively and extend out of the outer end cover 2.
Referring to fig. 1 and 2, two clamp tight piece 24 are the arc piece, two clamp tight piece 24's intrados are close to each other, fixedly connected with anti-skidding gasket 25 on two clamp tight piece 24's the intrados, two slide bars 23 are located the outside one end of outer end cover 2 and pass anti-skidding gasket 25 and two clamp tight piece 24 fixed connection respectively, two clamp tight piece 24 carry out the centre gripping to pipeline 1 when, anti-skidding gasket 25 and the 1 inseparable butt of pipeline on two clamp tight piece 24, clamp tight piece 24 arc setting and make and more laminate between clamp tight piece 24 and the pipeline 1, anti-skidding gasket 25 set up then be favorable to promoting the frictional force of clamp tight piece 24 and the 1 butt of pipeline, thereby promote the stability of being connected between outer end cover 2 and the pipeline 1.
The knob 33 is rotated to drive the first screw rod 31 to rotate, the movable block 4 linearly moves along the length direction of the first screw rod 31 under the limitation of the guide rod 7 to drive the connecting rod 41 to move, the size of an included angle between the connecting rod 41 and the first screw rod 31 is changed, the sliding rod 23 is pulled to slide in the sliding groove 21, the sliding rod 23 moves to drive the two clamping blocks 24 to approach or separate from each other, and then clamping and releasing of the clamping blocks 24 on the pipeline 1 are realized.
Referring to fig. 1 and 2, a fixed block 6 is fixedly connected to one end of the second screw 34 away from the outer end cover 2, a plurality of abutting rods 61 are circumferentially arranged on the fixed block 6, in the embodiment of the present application, six abutting rods 61 are arranged, one end of each of the six abutting rods 61 is hinged to one side of the fixed block 6 close to the outer end cover 2, and the other end is hinged to an abutting block 62 for abutting against the inner wall of the pipeline 1; the abutting block 62 is arc-shaped, and one side of the abutting block 62 far away from the abutting rod 61 is fixedly connected with an elastic rubber pad 63. The ends, far away from the fixed block 6, of the six abutting rods 61 can gather or disperse towards the center line of the second screw 34, and the second screw 34 is provided with an expansion assembly for driving the six abutting rods 61 to disperse in an umbrella shape, so that the abutting blocks 62 abut against the inner wall of the pipeline 1.
Referring to fig. 1 and 2, the expansion assembly includes a sliding block 5 sleeved on the second screw 34, the sliding block 5 is a circular plate, and the sliding block 5 is in threaded connection with the second screw 34; the guide rod 7 penetrates through the sliding block 5 and horizontally extends towards the fixed block 6; one side of the sliding block 5 close to the fixed block 6 is provided with a plurality of push rods 51 along the circumferential direction, and the number of the push rods 51 is six in the embodiment of the application. One end of the six push rods 51 is hinged with the resisting rod 61, and the other end is hinged with the sliding block 5; each push rod 51 is correspondingly hinged with a support rod 61.
The cross-shaped twisting block 351 is rotated to drive the second screw 34 to rotate, the sliding block 5 horizontally moves along the length direction of the second screw 34 under the limitation of the guide rod 7, the sliding block 5 moves towards the direction close to the fixing block 6, so that the six push rods 51 are dispersed in an umbrella shape along the central line of the second screw 34, the supporting rod 61 is pushed to move, the included angle between the supporting rod 61 and the second screw 34 is increased until the elastic rubber pad 63 on the supporting block 62 is tightly abutted against the inner wall of the pipeline 1, the sliding block 5 can not move towards the direction close to the fixing block 6, and the abutting effect of the plugging device on the inner part of the pipeline 1 is realized. The six abutting rods 61 are arranged to gather together and disperse on one side, close to the outer end cover 2, of the fixed block 6 in the embodiment of the application, the sliding block 5 is arranged between the fixed block 6 and the movable block 4, the abutting rods 61 can be further arranged to gather together and disperse on one side, far away from the outer end cover 2, of the fixed block 6 in other embodiments, and the sliding block 5 is arranged on one side, far away from the movable block 4, of the fixed block 6.
When the plugging device is used for plugging, the knob 33 can be pulled out outwards, so that the cross-shaped torsion block 351 is clamped in the cross-shaped clamping groove 331, the knob 33 is clamped and fixed with the rotating shaft 35, the knob 33 is rotated to drive the first screw 31 and the second screw 34 to rotate simultaneously, synchronous adjustment of the abutting block 62 in the pipeline 1 and the clamping block 24 outside the pipeline 1 is realized, and the adjusting work efficiency of the plugging device is greatly improved; the knob 33 is pressed inwards, the cross-shaped twisting block 351 is separated from the cross-shaped clamping groove 331, the knob 33 is disconnected from the rotating shaft 35, the knob 33 and the rotating shaft 35 can be rotated respectively at the moment, and the clamping block 24 and the abutting block 62 are independently further adjusted.
The implementation principle of the plugging device for the municipal pipeline port in the embodiment of the application is as follows: when the pipeline port needs to be plugged by the plugging device, the knob 33 is rotated to drive the first screw 31 to rotate, so that the movable block 4 moves towards the direction close to the outer end cover 2, the connecting rod 41 pulls the sliding rod 23 to move, the distance between the two clamping blocks 24 is increased, and the device is convenient to mount; the screw rod 3 is extended into the pipeline 1, so that the outer end cover 2 is tightly abutted to the port of the pipeline 1, and the outer end cover 2 blocks the port of the pipeline 1; the knob 33 is pulled out, so that the cross-shaped button block 351 on the rotating shaft 35 is clamped in the cross-shaped clamping groove 331 on the knob 33, the knob 33 is rotated, the cross-shaped button block 351 rotates along with the knob 33, the first screw 31 and the second screw 34 are driven to simultaneously rotate, the movable block 4 and the sliding block 5 are driven to move towards the direction far away from the outer end cover 2, the movable block 4 moves, and the two clamping blocks 24 are driven to mutually approach; the slide block 5 moves, so that the push rod 51 pushes the abutting rod 61 to expand, and the abutting block 62 is close to the inner wall of the pipeline 1; when the clamping block 24 or the abutting block 62 is tightly abutted against the pipeline 1, the knob 33 cannot be rotated, the knob 33 is pressed inwards, the cross-shaped twisting block 351 is separated from the cross-shaped clamping groove 331, the rotating shaft 35 and the knob 33 are respectively rotated, the clamping block 24 which is not abutted against the pipeline 1 or the abutting block 62 is tightly abutted against the pipeline 1, and the installation and the fixation of the plugging device are completed. The plugging device clamps the outside of the pipeline 1 tightly and supports the inside tightly, so that the pipeline 1 is stably clamped on the plugging device, the plugging effect of the plugging device on the pipeline 1 is stable, external mechanical equipment is not needed, the installation is convenient and fast, the energy consumption is low, and the energy is saved and the environment is protected.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a plugging device for municipal pipeline port which characterized in that: the outer end cover comprises a screw rod (3) and an outer end cover (2) which is tightly abutted to the port of the pipeline (1), wherein the screw rod (3) is perpendicular to the outer end cover (2), one end of the screw rod (3) is rotatably connected with the outer end cover (2), the other end of the screw rod extends into the pipeline (1), and a clamping mechanism for clamping the outer side wall of the pipeline (1) is arranged on the outer end cover (2); a fixing block (6) is fixedly connected to one end, far away from the outer end cover (2), of the screw (3), a plurality of abutting rods (61) are arranged on the fixing block (6) along the circumferential direction, one ends of the abutting rods (61) are hinged to the fixing block (6), and the other ends of the abutting rods are hinged to abutting blocks (62) used for abutting against the inner wall of the pipeline (1); one ends of the plurality of abutting rods (61) far away from the fixed block (6) are mutually gathered or dispersed towards the central line of the screw rod (3); the screw rod (3) is provided with an expansion assembly for driving the abutting rods (61) to dispersedly realize abutting of the abutting blocks (62) and the inner wall of the pipeline (1).
2. The plugging device for municipal pipe ports according to claim 1, wherein: the expansion assembly comprises a sliding block (5) sleeved on the screw rod (3), and the sliding block (5) is in threaded connection with the screw rod (3); the outer end cover (2) is provided with a guide piece for limiting the slider (5) to move linearly along the length direction of the screw (3); a plurality of push rods (51) are arranged on the sliding block (5), one ends of the push rods (51) are hinged with the abutting rods (61), and the other ends of the push rods (51) are hinged with the sliding block (5); the push rods (51) and the abutting rods (61) are in one-to-one correspondence, and the plugging device is further provided with a driving mechanism for driving the screw rods (3) to rotate.
3. The plugging device for municipal pipe ports according to claim 2, wherein: the clamping mechanism comprises a pair of oppositely arranged clamping blocks (24), the two clamping blocks (24) are connected with the outer end cover (2) in a sliding mode, and the clamping mechanism further comprises an adjusting assembly used for adjusting the two clamping blocks (24) to be close to or far away from each other.
4. The plugging device for municipal pipeline ports according to claim 3, wherein: the adjusting assembly comprises a movable block (4) sleeved on the screw rod (3), and the movable block (4) is in threaded connection with the screw rod (3); the movable block (4) moves linearly along the length direction of the screw (3) through the guide piece; be provided with a pair of connecting rod (41) on movable block (4), two the one end of connecting rod (41) with movable block (4) are articulated, the other end articulates respectively has slide bar (23), two slide bar (23) are towards the perpendicular to the length direction of screw rod (3) extends, spout (21) that supply slide bar (23) to slide are seted up to outer end cover (2), two the central line of spout (21) is located same straight line, two slide bar (23) are kept away from the one end of connecting rod (41) is worn out spout (21) respectively with two press from both sides tight piece (24) fixed connection.
5. The plugging device for municipal pipeline ports according to claim 4, wherein: the guide piece is guide bar (7), guide bar (7) with screw rod (3) length direction is parallel, the one end of guide bar (7) with outer end cover (2) fixed connection, the other end wear to establish respectively movable block (4) and slider (5) are towards the inside level extension of pipeline (1).
6. The plugging device for municipal pipeline ports according to claim 4, wherein: the screw (3) comprises a first screw (31) and a second screw (34), the first screw (31) is abutted with the second screw (34), and the central lines of the first screw (31), the second screw (34) and the pipeline (1) are positioned on the same straight line; the movable block (4) is sleeved on the first screw rod (31), and the sliding block (5) is sleeved on the second screw rod (34); the driving mechanism comprises a knob (33) for driving the first screw rod (31) to rotate and a rotating shaft (35) for driving the second screw rod (34) to rotate.
7. The plugging device for municipal pipeline ports according to claim 6, wherein: the rotating shaft (35) penetrates through the first screw (31) and is fixedly connected with the second screw (34), and the first screw (31) is rotatably connected with the rotating shaft (35); one end, far away from the second screw rod (34), of the rotating shaft (35) extends out of the outer end cover (2), and the knob (33) is movably connected with one end, far away from the second screw rod (34), of the first screw rod (31); the drive mechanism further comprises a conversion assembly for converting the independent rotation of the first screw (31) and the second screw (34) into synchronous rotation.
8. The plugging device for municipal pipe ports according to claim 7, wherein: the conversion assembly comprises an expansion link (32), one end of the expansion link (32) is fixedly connected with one end, far away from the second screw (34), of the first screw (31), and the other end of the expansion link is fixedly connected with the knob (33); a cross-shaped torsion block (351) is fixedly connected to one end, far away from the second screw rod (34), of the rotating shaft (35), and the rotating shaft (35) penetrates through the knob (33); a cross clamping groove (331) for clamping the cross button block (351) is formed in the knob (33); when the telescopic rod (32) extends to the limit position, namely the knob (33) moves to the limit position in the direction close to the cross-shaped block (351), the cross-shaped block (351) is clamped in the cross-shaped clamping groove (331), and the knob (33) is clamped and fixed with the rotating shaft (35); when the telescopic rod (32) is contracted to the limit position, namely the knob (33) moves to the limit position in the direction far away from the cross-shaped block (351), the cross-shaped block (351) is separated from the cross-shaped clamping groove (331).
9. The plugging device for municipal pipe ports according to claim 1, wherein: one side of the abutting block (62) abutting against the inner wall of the pipeline (1) is provided with an elastic rubber pad (63).
10. The plugging device for municipal pipeline ports according to claim 3, wherein: and an anti-skid gasket (25) is arranged on one side of the clamping block (24) which is abutted against the outer wall of the pipeline (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426765.8A CN114033921B (en) | 2021-11-27 | 2021-11-27 | Plugging device for municipal pipeline port |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111426765.8A CN114033921B (en) | 2021-11-27 | 2021-11-27 | Plugging device for municipal pipeline port |
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| CN114033921A true CN114033921A (en) | 2022-02-11 |
| CN114033921B CN114033921B (en) | 2022-08-02 |
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| CN202111426765.8A Active CN114033921B (en) | 2021-11-27 | 2021-11-27 | Plugging device for municipal pipeline port |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114558486A (en) * | 2022-03-12 | 2022-05-31 | 水发(山东)检验检测研究院有限公司 | Turnover oscillator for laboratory detection |
| CN115112307A (en) * | 2022-08-31 | 2022-09-27 | 山东鼎泰新能源有限公司 | New energy automobile battery package leakproofness test equipment |
| CN115301648A (en) * | 2022-06-16 | 2022-11-08 | 广州市畅通管道工程有限公司 | Use stable pipe blockage cutting robot |
| CN115355378A (en) * | 2022-10-20 | 2022-11-18 | 华电宁德电力开发有限公司 | Pipeline connecting device |
| CN115405250A (en) * | 2022-09-23 | 2022-11-29 | 中航勘察设计研究院有限公司 | Drilling plugging device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115355378A (en) * | 2022-10-20 | 2022-11-18 | 华电宁德电力开发有限公司 | Pipeline connecting device |
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