CN212626847U - Make things convenient for clamping device of MPP pipe installation - Google Patents
Make things convenient for clamping device of MPP pipe installation Download PDFInfo
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- CN212626847U CN212626847U CN202021432657.2U CN202021432657U CN212626847U CN 212626847 U CN212626847 U CN 212626847U CN 202021432657 U CN202021432657 U CN 202021432657U CN 212626847 U CN212626847 U CN 212626847U
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- sealed lid
- mpp pipe
- mpp
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Abstract
The utility model discloses a make things convenient for clamping device of MPP pipe installation, including sealed lid and loose collar, fixed mounting stay cord between the circumference outer wall of sealed lid and loose collar, the fixed cover in terminal surface middle part of sealed lid connects tracheal one end, the fixed cover of tracheal other end connects the movable block, the fixed embedded installation gasbag circle of outer wall of movable block, and gasbag circle intercommunication trachea, support mechanism in the sealed installation of lid inner chamber, the ladder groove has all been opened at the terminal surface edge of sealed lid and loose collar, clamping mechanism is all installed to ladder groove department, it is inboard that support mechanism and movable block are located two clamping mechanism's circumference respectively in the interior. The movable block stretches into the MPP pipe, aerifys to the gasbag circle through the trachea to support the MPP pipe inner wall, interior supporting mechanism supports MPP pipe end face inner wall, and the clamping mechanism on sealed lid and the movable ring presss from both sides tightly including supporting mechanism and movable block department MPP pipe respectively simultaneously, realizes two sections centre grippings, and the centre gripping is more stable, is convenient for back to drag.
Description
Technical Field
The utility model relates to a MPP manages installation technical field, specifically is a clamping device who makes things convenient for MPP pipe installation.
Background
The MPP pipe is also called as an MPP power cable protection pipe, has the characteristics of high temperature resistance and external pressure resistance, is suitable for medium and low voltage transmission line cable calandria pipes below 10KV, a guide hole needs to be drilled underground through a guide drill when the MPP pipe is installed, then the MPP pipe is pulled back through the pull rope and the clamping head, so that the MPP pipe penetrates into the guide hole, cork is directly plugged into the MPP pipe during the current pulling back, then the MPP pipe is tightened and dragged by a steel wire rope, however, in order to ensure the stable clamping, the cork inserted into the MPP pipe is longer, thereby reducing the flexibility of the MPP pipe, being not beneficial to bending the MPP pipe between the guide hole and the working pit, being difficult to pull the MPP pipe out of the guide hole, and the cork blocks easily and dies in MPP pipe or transfers into MPP pipe depths, leads to returning to drag the back cork and is difficult to take out, for this reason we propose a clamping device who makes things convenient for MPP pipe installation and be used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a make things convenient for clamping device of MPP pipe installation to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clamping device of convenient MPP pipe installation, includes sealed lid and activity ring, fixed mounting stay cord between the circumference outer wall of sealed lid and activity ring, the fixed cover of terminal surface middle part of sealed lid connects tracheal one end, the fixed cover of tracheal other end connects the movable block, the fixed embedded installation gasbag circle of outer wall of movable block, just gasbag circle intercommunication trachea, support mechanism in the sealed installation of lid chamber, the ladder groove has all been opened at the terminal surface edge of sealed lid and activity ring, clamping mechanism is all installed to ladder groove department, it is inboard that support mechanism and movable block are located two clamping mechanism's circumference respectively.
Preferably, interior support mechanism includes the swivel, the inside swivel that cup joints that rotates of the blind end of sealed lid, and the trachea runs through the inner chamber of swivel, open sealed lid inner chamber bottom has a plurality of spouts, equal slip joint slider in the spout, swivel and the one side that the slider is close to mutually install plane screw thread and rack respectively, and rack toothing plane screw thread, the one end of the interior splint of another side fixed connection of slider, the other end of interior splint stretches into sealed lid inner chamber, the one end fixed mounting awl fluted disc of slider is kept away from to the swivel, the outer wall of sealed lid rotates cup joints the knob, knob fixed connection bevel gear, bevel gear meshing awl fluted disc.
Preferably, the slider and the chute are of a T-shaped structure matched with each other, the teeth of the rack are of an arc-shaped structure, the knob is sleeved with the locking bolt through a threaded structure, and the end face of the locking bolt is tightly pressed on the sealing cover.
Preferably, the sliding blocks and the sliding grooves are uniformly distributed along the circumferential direction of the sealing cover, supporting blocks are fixedly mounted on one side, close to the inner wall of the sealing cover, of the inner clamping plate, and the outer walls of the supporting blocks are of arc-shaped structures.
Preferably, clamping mechanism is including pressing from both sides tight piece, the sealed lid of ladder groove department and a plurality of tight pieces of clamp of the equal fixed mounting of activity ring terminal surface, it is elastic stainless steel arc structure to press from both sides tight piece, and is adjacent press from both sides and form the clearance that opens and shuts between the tight piece, the outer wall that presss from both sides tight piece cup joints the tight cover through helicitic texture.
Preferably, the clamping sleeve inner wall is the round platform structure, the outer wall of the clamping piece is the slope structure, and the slope gradient of the outer wall of the clamping piece is greater than the gradient of the round platform inner wall of the clamping sleeve inner wall, the one end of the clamping sleeve close to the stepped groove is sleeved with the locking bolt through the threaded structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the movable block extends into the MPP pipe, the air bag ring is inflated through the air pipe, so that the inner wall of the MPP pipe is supported, the inner support mechanism supports the inner wall of the end face of the MPP pipe, and meanwhile, the sealing cover and the clamping mechanism on the movable ring respectively clamp the MPP pipe at the inner support mechanism and the movable block, so that two sections of clamping are realized, the clamping is more stable, and the back dragging is facilitated;
2. tension is transmitted between the two sections of clamping parts through the pull rope, and the pull rope is flexible, so that the MPP pipe between the two clamping parts can be bent, and the MPP pipe can be conveniently pulled out of the working pit from the guide hole;
3. after the back is dragged, the clamping sleeve is unscrewed, the knob is rotated to enable the supporting block to be separated from the inner wall of the MPP pipe, and gas in the air bag ring is discharged through the air pipe, so that the sealing cover, the movable ring and the movable block can be conveniently pulled out of the MPP pipe, and the disassembly is convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the sealing cover of the present invention;
fig. 3 is a schematic structural view of the present invention in use.
In the figure: 1. a sealing cover; 2. a movable ring; 3. pulling a rope; 4. a movable block; 5. an air tube; 6. an air bag ring; 7. an inner support mechanism; 71. rotating the ring; 72. a chute; 73. a slider; 74. a planar thread; 75. a rack; 76. an inner splint; 77. a conical fluted disc; 78. a bevel gear; 79. a knob; 8. a stepped groove; 9. a clamping mechanism; 91. a clamping piece; 92. opening and closing the gap; 93. a clamping sleeve; 10. and (7) a supporting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a clamping device of convenient MPP pipe installation, including sealed lid 1 and activity ring 2, fixed mounting stay cord 3 between the circumference outer wall of sealed lid 1 and activity ring 2, the fixed cover of terminal surface middle part of sealed lid 1 connects the one end of trachea 5, the fixed cover of the other end of trachea 5 connects activity piece 4, the fixed embedded installation gasbag circle 6 of outer wall of activity piece 4, and gasbag circle 6 intercommunication trachea 5, support mechanism 7 in the installation of sealed lid 1 inner chamber, the terminal surface edge of sealed lid 1 and activity ring 2 has all opened ladder groove 8, clamping mechanism 9 is all installed to ladder groove 8 department, support mechanism 7 and activity piece 4 are located the circumference inboard of two clamping mechanism 9 respectively. The movable block 4 slides in along the MPP pipe inner cavity, then the movable ring 2 is sleeved on the MPP pipe, then the sealing cover 1 is sleeved on the MPP pipe end face, at the moment, the movable block 4 is located in the MPP pipe inner cavity of the movable ring 2, the air bag ring 6 is inflated through the air pipe 5, the air bag ring 6 is expanded and attached to the MPP pipe inner wall, therefore, the MPP pipe inner wall is supported, the clamping mechanism 9 on the movable ring 2 clamps the MPP pipe outer wall to form one section of clamping, then the inner supporting mechanism 7 supports the MPP pipe end face inner wall, the clamping mechanism 9 on the sealing cover 1 clamps the MPP pipe end face outer wall to form two sections of clamping, the clamping effect is improved through the section clamping, the back dragging is convenient, the pulling force is transmitted between the clamping parts at two ends through the pulling rope 3, the pulling rope 3 is flexible, the MPP pipe between the clamping parts at the two ends can be bent, and the MPP pipe.
The inner support mechanism 7 comprises a rotating ring 71, the inner part of the closed end of the sealing cover 1 is rotatably sleeved with the rotating ring 71, the air pipe 5 penetrates through the inner cavity of the rotating ring 71, a plurality of sliding grooves 72 are formed in the bottom of the inner cavity of the sealing cover 1, sliding blocks 73 are slidably clamped in the sliding grooves 72, a plane thread 74 and a rack 75 are respectively arranged on the surfaces, close to the rotating ring 71 and the sliding blocks 73, of the rotating ring 71, the rack 75 is meshed with the plane thread 74, the other surface of the sliding block 73 is fixedly connected with one end of an inner clamping plate 76, the other end of the inner clamping plate 76 extends into the inner cavity of the sealing cover 1, a conical fluted disc 77 is fixedly arranged at one end, far away from the sliding block 73, of the rotating ring 71, a rotating knob 79 is rotatably sleeved on the outer wall of the sealing cover 1, the knob 79 is fixedly connected with a conical fluted disc 78, the conical fluted disc, the plurality of sliding blocks 73 simultaneously slide along the sliding grooves 72 to form a multi-claw chuck structure, the plurality of inner clamping plates 76 are simultaneously tightly attached to the inner wall of the MPP pipe for supporting, clamping is convenient, and after the back dragging is finished, the plurality of inner clamping plates 76 are far away from the inner wall of the MPP pipe, so that the MPP pipe is convenient to disassemble and take out.
The clamping mechanism 9 comprises clamping pieces 91, a plurality of clamping pieces 91 are fixedly arranged on the end faces of the sealing cover 1 and the movable ring 2 at the position of the stepped groove 8, the clamping pieces 91 are all of elastic stainless steel arc structures, an opening and closing gap 92 is formed between every two adjacent clamping pieces 91, the outer wall of each clamping piece 91 is sleeved with the clamping sleeve 93 through a threaded structure, the inner wall of each clamping sleeve 93 is of a circular truncated cone structure, the outer wall of each clamping piece 91 is of an inclined structure, the inclined gradient of the outer wall of each clamping piece 91 is larger than the gradient of the inner wall of the circular truncated cone of the inner wall of each clamping sleeve 93, one end, close to the stepped groove 8, of each clamping sleeve 93 is sleeved with the locking bolt through the threaded structure, when each clamping sleeve 93 is unscrewed from each clamping piece 91 through the threaded structure, each clamping piece 91 is in a loose state, the sealing cover 1, the movable ring 2 and each clamping piece 91 are conveniently arranged on the MP, the clamping piece 91 is gradually pressed on the MPP pipe through the opening and closing gap 92, so that the clamping piece 91 is clamped on the MPP pipe to realize quick clamping and fixing.
The working principle is as follows: when the utility model is used, the clamping sleeve 93 is unscrewed from the clamping piece 91 through the thread structure, the clamping piece 91 is in a loose state, at the moment, the movable block 4 slides in along the inner cavity of the MPP pipe, then the movable ring 2 is sleeved on the MPP pipe, then the sealing cover 1 is sleeved on the end surface of the MPP pipe, at the moment, the movable block 4 is positioned in the inner cavity of the MPP pipe at the movable ring 2, the air bag ring 6 is inflated through the air pipe 5, the air bag ring 6 expands and is attached to the inner wall of the MPP pipe, so as to support the inner wall of the MPP pipe, then the knob 79 is rotated, the knob 79 drives the conical fluted disc 77 to rotate through the bevel gear 78, thereby rotating the swivel 71, the swivel 71 drives the rack 75 to synchronously move through the plane threads 74, then the plurality of sliding blocks 73 simultaneously slide along the sliding grooves 72, so as to form a multi-grab chuck structure, then the plurality of supporting blocks 10 simultaneously support the inner wall of the MPP pipe, the inner wall of the circular truncated cone of the inner cavity of the clamping sleeve 93 gradually extrudes the outer wall of the clamping piece 91, the clamping piece 91 gradually presses on the MPP pipe through the opening and closing gap 92, so that the two clamping pieces 91 respectively clamp the outer walls of the MPP pipe at the positions of the airbag ring 6 and the supporting block 10, the segmented clamping of the MPP pipe is realized, the multi-segment clamping effect is realized, the back dragging is convenient, the pulling force is transmitted through the pull rope 3 between the two clamping parts, the pull rope 3 is flexible, the MPP pipe between the two clamping parts at two ends can be bent, the MPP pipe is convenient to pull out of the working pit from the guide hole, after the back dragging is finished, the clamping sleeve 93 is unscrewed, the supporting block 10 is enabled to be separated from the inner wall of the MPP pipe by the rotating knob 79, the gas in the airbag ring 6 is discharged through the gas pipe 5, so that the.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a make things convenient for clamping device of installation of MPP pipe, includes sealed lid (1) and activity ring (2), its characterized in that: fixed mounting stay cord (3) between the circumference outer wall of sealed lid (1) and activity ring (2), the fixed one end that connects trachea (5) of terminal surface middle part fixed cover of sealed lid (1), the other end of trachea (5) is fixed to cup joint activity block (4), the fixed embedded installation gasbag circle (6) of outer wall of activity block (4), just gasbag circle (6) intercommunication trachea (5), support mechanism (7) in sealed lid (1) inner chamber installation, ladder groove (8) have all been opened at the terminal surface edge of sealed lid (1) and activity ring (2), ladder groove (8) department all installs clamping mechanism (9), it is inboard that interior support mechanism (7) and activity block (4) are located the circumference of two clamping mechanism (9) respectively.
2. The clamping device that facilitates installation of an MPP tube of claim 1, wherein: the inner support mechanism (7) comprises a rotating ring (71), the rotating ring (71) is rotatably sleeved inside the closed end of the sealing cover (1), the air pipe (5) penetrates through the inner cavity of the rotating ring (71), a plurality of sliding grooves (72) are formed in the bottom of the inner cavity of the sealing cover (1), sliding blocks (73) are clamped in the sliding grooves (72) in a sliding mode, one surfaces, close to the rotating ring (71) and the sliding blocks (73), of the rotating ring (71) and the sliding blocks (73) are respectively provided with a plane thread (74) and a rack (75), the rack (75) is meshed with the plane thread (74), one end of an inner clamping plate (76) is fixedly connected to the other surface of the sliding blocks (73), the other end of the inner clamping plate (76) extends into the inner cavity of the sealing cover (1), a conical gear disc (77) is fixedly installed at one end, far away from the sliding blocks (73), of the rotating ring (71), a, the bevel gear (78) engages a bevel gear disc (77).
3. The clamping device that facilitates installation of an MPP tube of claim 2, wherein: slider (73) and spout (72) are the T type structure of complex, the tooth of rack (75) is the arc structure, cup joint the locking bolt through the helicitic texture on knob (79), and the locking bolt terminal surface closely presses on sealed lid (1).
4. The clamping device that facilitates installation of an MPP tube of claim 2, wherein: the sliding blocks (73) and the sliding grooves (72) are uniformly distributed along the circumferential direction of the sealing cover (1), supporting blocks (10) are fixedly mounted on one side, close to the inner wall of the sealing cover (1), of the inner clamping plate (76), and the outer walls of the supporting blocks (10) are of arc-shaped structures.
5. The clamping device that facilitates installation of an MPP tube of claim 1, wherein: clamping mechanism (9) are including pressing from both sides tight piece (91), sealed lid (1) and the equal fixed mounting of activity ring (2) terminal surface of ladder groove (8) department press from both sides tight piece (91) a plurality of, it is elastic stainless steel arc structure to press from both sides tight piece (91), and is adjacent press from both sides and form clearance (92) that open and shut between piece (91), the outer wall that presss from both sides tight piece (91) cup joints tight cover (93) through helicitic texture.
6. The clamping device that facilitates installation of an MPP tube of claim 5, wherein: the inner wall of the clamping sleeve (93) is of a circular truncated cone structure, the outer wall of the clamping piece (91) is of an inclined structure, the inclined gradient of the outer wall of the clamping piece (91) is larger than the gradient of the inner wall of the circular truncated cone structure of the inner wall of the clamping sleeve (93), and one end, close to the stepped groove (8), of the clamping sleeve (93) is sleeved with the locking bolt through a threaded structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021432657.2U CN212626847U (en) | 2020-07-20 | 2020-07-20 | Make things convenient for clamping device of MPP pipe installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021432657.2U CN212626847U (en) | 2020-07-20 | 2020-07-20 | Make things convenient for clamping device of MPP pipe installation |
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| Publication Number | Publication Date |
|---|---|
| CN212626847U true CN212626847U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021432657.2U Active CN212626847U (en) | 2020-07-20 | 2020-07-20 | Make things convenient for clamping device of MPP pipe installation |
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| CN (1) | CN212626847U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060416A (en) * | 2022-01-12 | 2022-02-18 | 南通森威钢球有限公司 | Bearing steel ball equal-dividing device |
-
2020
- 2020-07-20 CN CN202021432657.2U patent/CN212626847U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114060416A (en) * | 2022-01-12 | 2022-02-18 | 南通森威钢球有限公司 | Bearing steel ball equal-dividing device |
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