CN204545797U - Elbow group is to special internal clamp - Google Patents
Elbow group is to special internal clamp Download PDFInfo
- Publication number
- CN204545797U CN204545797U CN201520220870.XU CN201520220870U CN204545797U CN 204545797 U CN204545797 U CN 204545797U CN 201520220870 U CN201520220870 U CN 201520220870U CN 204545797 U CN204545797 U CN 204545797U
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- supporting disk
- tightening piece
- tensioner
- power transmission
- transmission shaft
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Abstract
The utility model discloses a kind of elbow group to special internal clamp, comprise pipe string internal clamp, first supporting disk of this pipe string internal clamp has been located by connecting a back support running gear, and the second supporting disk of this pipe string internal clamp has also been located by connecting a front support tumbler; Like this this pipe string internal clamp in the raw under, this front support tumbler can drive this pipe string internal clamp treating to realize in counterpart pipe fitting moving axially and radial rotating, is convenient to the position adjustment of pipe string internal clamp in pipe fitting; The setting of this back support running gear can drive and this pipe string internal clamp is walked in elbow, especially after group to point is soldered into, by manually or electric force application in this back support running gear, and then this pipe string internal clamp is gone out from elbow layback, time saving and energy saving.
Description
Technical field
The utility model relates to a kind of novel pipe string equipment in High Efficiency Welding Process equipment technology field, specifically relate to a kind of elbow group to special internal clamp, petrochemical industry, nuclear power, shipbuilding and tubulation industry can be widely used in the welding of pipeline with elbow, also can be used for (straight tube, flange, threeway etc.) simultaneously.
Background technology
Along with China's oil pipe-line construction, chemical industry plant stand, nuclear power engineering, the fast development of shipbuilding and pipe manufacturing machine industry, make day by day to increase various pipeline processing application equipment Requirement, especially device becomes increasingly complex, and elbow quantity gets more and more, therefore to can group to elbow, the elbow group simultaneously can being fallen take out by elbow is again day by day urgent to the demand of device.
Summary of the invention
In order to overcome above-mentioned defect, the utility model provides a kind of elbow group to special internal clamp, and this line-up clamp not only expanding force is strong, and counterpart is accurate; But also be convenient to pull out in elbow, time saving and energy saving.
The utility model in order to the technical scheme solving its technical problem and adopt is: a kind of elbow group is to special internal clamp, comprise pipe string internal clamp, this pipe string internal clamp comprises booster body and tensioner supporting mechanism, wherein, described booster body comprises tensioner power transmission shaft and is sheathed on the positioning sleeve outside described tensioner power transmission shaft one end, and described tensioner power transmission shaft can slide axially by relatively described positioning sleeve, described tensioner supporting mechanism comprises the first supporting disk, second supporting disk, first tightening piece unit, second tightening piece unit and back-up block unit, described first supporting disk is sheathed on outside the described tensioner power transmission shaft other end, the distance that described second supporting disk and the first supporting disk apart set also is sheathed on outside described positioning sleeve, the first tightening piece that described first tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, the second tightening piece that described second tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and described first tightening piece unit and the second tightening piece unit are also arranged between described first supporting disk and the second supporting disk along described tensioner power transmission shaft axially spaced-apart, the back-up block that described back-up block unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and the plurality of back-up block is all positioned between the first tightening piece be oppositely arranged and the second tightening piece towards the inner side of described tensioner power transmission shaft, separately described first supporting disk can drive the plurality of first tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of first tightening piece is opened and the plurality of back-up block side be able to be driven to open tensioner one treat counterpart pipe fitting, described second supporting disk also can drive the plurality of second tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of second tightening piece open the plurality of back-up block opposite side be able to be driven to open tensioner another treats counterpart pipe fitting, described first supporting disk has also been located by connecting a back support running gear, and described second supporting disk has also been located by connecting a front support tumbler.
As further improvement of the utility model, described back support running gear comprises the bracing frame of an arced tube and multiple walking wheel unit, one end face of the side in support frame as described above arc length direction and described first supporting disk described first tightening piece unit is dorsad located by connecting, and the plurality of walking wheel unit is arranged on outside support frame as described above along interval, support frame as described above arc length direction; Another walking wheel unit described in each respectively includes several multi-directional ball along bracing frame circumferential array respectively, and is also connected by rib between adjacent two multi-directional ball.
As further improvement of the utility model, be provided with a tube connector, the side in support frame as described above arc length direction is located by connecting by an end face of described tube connector and described first supporting disk described first tightening piece unit dorsad; Another also location on the opposite side in support frame as described above arc length direction is provided with leader.
As further improvement of the utility model, described front support tumbler comprises the body of a ring body shape and multiple multi-directional ball bearing, the plurality of multi-directional ball bearing circular row is arranged on the outer circumferential side of described body, and described body positioning sleeve is located on the outside of described second supporting disk.
As further improvement of the utility model, the first elastic component is provided with between described first tightening piece unit and described tensioner power transmission shaft, the second elastic component is provided with between described second tightening piece unit and described tensioner power transmission shaft, and being also provided with gas storage bag between described first elastic component and the second elastic component, described gas storage bag is communicated in external air source by tracheae.
As further improvement of the utility model, first tightening piece described in each comprises the first location division and the first support portion in setting angle, described first location division is positioned between described first supporting disk and the first elastic component, and described first location division is formed with the first deep-slotted chip breaker towards the side of described first supporting disk, described first supporting disk is formed with the first projection towards the side of described first location division, and described first projection is inserted in described first deep-slotted chip breaker; The side of described first support portion in the middle part of described back-up block is free side, is also formed with the first slot to make way in the middle part of described back-up block, and the free side of described first support portion is inserted in described first slot to make way;
Second tightening piece described in each comprises the second location division and the second support portion in setting angle, described second location division is positioned between described second supporting disk and the second elastic component, and described second location division is formed with the second deep-slotted chip breaker towards the side of described second supporting disk, described second supporting disk is formed with the second projection towards the side of described second location division, and described second projection is inserted in described second deep-slotted chip breaker; The side of described second support portion in the middle part of described back-up block is free side, is also formed with the second slot to make way in the middle part of described back-up block, and the free side of described second support portion is inserted in described second slot to make way.
As further improvement of the utility model, the outer middle side part of each described back-up block described tensioner power transmission shaft dorsad is also formed with arc first groove extended along tensioner power transmission shaft circumference, the bottom land of described first groove is provided with the first through hole, and described first through hole is communicated in described gas storage bag by tracheae; The bottom land of described first groove is also freely overlapped on outside back-up block described in adjacent another, separately described first groove along described tensioner transmission shafts to both sides outside be also formed with one second groove respectively, elastic seal ring is provided with in this two second groove, the outside of described elastic seal ring exceeds the outside of described back-up block, and the plurality of back-up block opens tensioner when counterpart pipe fitting, the bottom land of described first groove is still overlapped on outside back-up block described in adjacent another, and described elastic seal ring seals up the space between adjacent two the first grooves.
As further improvement of the utility model, described booster body also includes drive unit, described drive unit comprises the cover that is in transmission connection, be in transmission connection axle and in order to provide the actuating unit of power, the described cover that is in transmission connection comprises connecting portion, retainer and engaging piece, described connecting portion is sheathed between described tensioner power transmission shaft and described positioning sleeve, and described connecting portion side is also connected with described tensioner power transmission shaft threaded one end; Described positioning sleeve side backstop is in the side of described retainer, and described engaging piece engages with the described axle one end that is in transmission connection, described in the be in transmission connection clutch end of the axle other end and described actuating unit be connected.
The beneficial effects of the utility model are: 1. pipe string internal clamp of the present invention not only has powerful expanding force, to the clamping time of pipe fitting is very short and counterpart is accurate; And compact conformation, volume are little, a people can independent operation, effectively saves artificial.2. the present invention by being arranged with a front support tumbler on the second supporting disk of this pipe string internal clamp, this front support tumbler comprises the body of a ring body shape and multiple circular row and is arranged in multi-directional ball bearing on described body peripheral side, like this this pipe string internal clamp in the raw under, this front support tumbler can drive this pipe string internal clamp treating to realize in counterpart pipe fitting moving axially and radial rotating, is convenient to the position adjustment of pipe string internal clamp in pipe fitting, in addition, the present invention is also connected with a back support running gear on the first supporting disk one end face of this pipe string internal clamp, this back support running gear comprises the bracing frame of an arced tube and multiple walking wheel unit, walking wheel unit described in each respectively includes several multi-directional ball along bracing frame circumferential array respectively, when this pipe string internal clamp in the raw under, the setting of this back support running gear can drive and this pipe string internal clamp is walked in elbow, especially after group to point is soldered into, by manually or electric force application in this back support running gear, and then this pipe string internal clamp is gone out from elbow layback, time saving and energy saving.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation at back support running gear one visual angle described in the utility model;
Fig. 3 is the structural representation at another visual angle of back support running gear described in the utility model;
Fig. 4 is the structural representation (not showing assembling back support running gear and front support tumbler in figure) of pipe string internal clamp described in the utility model;
Fig. 5 is the cross-sectional view (not showing assembling back support running gear and front support tumbler in figure) of pipe string internal clamp described in the utility model;
Fig. 6 is the structural representation of back-up block described in the utility model;
Fig. 7 is adjacent two pieces of back-up blocks overlap joint contraction state schematic diagram in the utility model;
Fig. 8 is adjacent two pieces of back-up blocks overlap joint open configuration schematic diagram in the utility model;
Fig. 9 is the structural representation of front support tumbler described in the utility model;
Figure 10 is the side-looking structural representation of front support tumbler described in the utility model.
By reference to the accompanying drawings, make the following instructions:
1---back support running gear 10---bracing frame
11---multi-directional ball 12---handle
2---pipe string internal clamp 20---tensioner power transmission shaft
21---positioning sleeve 22---drive unit
Be in transmission connection 220---are in transmission connection cover 221---axle
2201---connecting portion 2202---retainer
2203---engaging piece 23---first supporting disk
230---first projection 24---second supporting disk
240---second projection 25---first tightening piece
250---first location division 251---first support portion
26---second tightening piece 260---second location division
261---second support portion 27---back-up block
270---first groove 271---first through hole
272---second groove 273---first slot to make way
274---second slot to make way 275---elastic seal ring
281---first elastic component 282---second elastic component
29---gas storage bag 3---front support tumbler
30---body 31---multi-directional ball bearing
Detailed description of the invention
With reference to the accompanying drawings the embodiment of elbow group of the present utility model to special internal clamp is described in detail.
The utility model provides a kind of elbow group to special internal clamp, comprise pipe string internal clamp 2, this pipe string internal clamp 2 comprises booster body and tensioner supporting mechanism, wherein, the positioning sleeve 21 that described booster body comprises tensioner power transmission shaft 20 and is sheathed on outside described tensioner power transmission shaft one end, described tensioner power transmission shaft can slide axially by relatively described positioning sleeve, described tensioner supporting mechanism comprises the first supporting disk 23, second supporting disk 24, first tightening piece unit, second tightening piece unit and back-up block unit, described first supporting disk 23 is sheathed on outside the described tensioner power transmission shaft other end, the distance that described second supporting disk 24 and the first supporting disk 23 apart set also is sheathed on outside described positioning sleeve 21, the first tightening piece 25 that described first tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, the second tightening piece 26 that described second tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and described first tightening piece unit and the second tightening piece unit are also arranged between described first supporting disk and the second supporting disk along described tensioner power transmission shaft axially spaced-apart, the back-up block 27 that described back-up block unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and the plurality of back-up block is all positioned between the first tightening piece be oppositely arranged and the second tightening piece towards the inner side of described tensioner power transmission shaft, separately described first supporting disk 23 can drive the plurality of first tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of first tightening piece is opened and the plurality of back-up block side be able to be driven to open tensioner one treat counterpart pipe fitting, described second supporting disk also can drive the plurality of second tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of second tightening piece open the plurality of back-up block opposite side be able to be driven to open tensioner another treats counterpart pipe fitting, described first supporting disk 23 has also been located by connecting a back support running gear 1, and described second supporting disk 24 has also been located by connecting a front support tumbler 3.
In the present embodiment, described back support running gear 1 comprises the bracing frame 10 of an arced tube and multiple walking wheel unit, one end face of the side in support frame as described above 10 arc length direction and described first supporting disk 23 described first tightening piece unit is dorsad located by connecting, and the plurality of walking wheel unit is arranged on outside support frame as described above along interval, support frame as described above arc length direction; Another walking wheel unit described in each respectively includes several multi-directional ball 11 along bracing frame circumferential array respectively, and is also connected by rib between adjacent two multi-directional ball.When pipe string internal clamp 2 in the raw under, the setting of this back support running gear 1 can drive and this pipe string internal clamp 2 is walked in elbow, especially after group to point is soldered into, by manually or electric force application in this back support running gear, and then this pipe string internal clamp 2 is gone out from elbow layback, time saving and energy saving.
Preferably, be provided with tube connector 4, the side in support frame as described above 10 arc length direction is located by connecting by an end face of described tube connector and described first supporting disk 23 described first tightening piece unit dorsad; Another also location on the opposite side in support frame as described above 10 arc length direction is provided with leader 12, uses when handled easily person carries out pipe fitting counterpart.
In the present embodiment, described front support tumbler 3 comprises the body 30 of a ring body shape and multiple multi-directional ball bearing 31, the plurality of multi-directional ball bearing 31 circular row is arranged on the outer circumferential side of described body, and described body 30 is sheathed on the outside of described second supporting disk 24 by Bolt to position.When pipe string internal clamp 2 in the raw under, described front support tumbler 3 can drive this pipe string internal clamp 2 treating to realize in counterpart pipe fitting moving axially and radial rotating, is convenient to the position adjustment of pipe string internal clamp 2 in pipe fitting.
In the present embodiment, the first elastic component 281 is provided with between described first tightening piece unit and described tensioner power transmission shaft, the second elastic component 282 is provided with between described second tightening piece unit and described tensioner power transmission shaft, and be also provided with gas storage bag 29 between described first elastic component and the second elastic component, described gas storage bag is communicated in external air source by tracheae, second supporting disk is provided with the second through hole, and gas storage bag is communicated with external air source by the tracheae passing the second through hole; In addition, first and second elastic component is disc spring, is also arranged with locating piece on outside tensioner power transmission shaft, and the side of first and second elastic component is resisted against on locating piece, corresponding being resisted against on first and second location division of opposite side of first and second elastic component.
Preferably, first tightening piece 25 described in each comprises the first location division 250 and the first support portion 251 in setting angle, described first location division 250 is positioned between described first supporting disk and the first elastic component, and described first location division is formed with the first deep-slotted chip breaker towards the side of described first supporting disk, described first supporting disk is formed with the first projection 230 towards the side of described first location division, and described first projection is inserted in described first deep-slotted chip breaker; The side of described first support portion 251 in the middle part of described back-up block is free side, is also formed with the first slot to make way 273 in the middle part of described back-up block, and the free side of described first support portion is inserted in described first slot to make way;
Second tightening piece 26 described in each comprises the second location division 260 and the second support portion 261 in setting angle, described second location division 260 is positioned between described second supporting disk and the second elastic component, and described second location division is formed with the second deep-slotted chip breaker towards the side of described second supporting disk, described second supporting disk is formed with the second projection 240 towards the side of described second location division, and described second projection is inserted in described second deep-slotted chip breaker; The side of described second support portion 261 in the middle part of described back-up block is free side, be also formed with the second slot to make way 274, and the free side of described second support portion is inserted in described second slot to make way in the middle part of described back-up block.
Preferably, the outer middle side part of each described back-up block 27 described tensioner power transmission shaft dorsad is also formed with arc first groove 270 extended along tensioner power transmission shaft circumference, the bottom land of described first groove is provided with the first through hole 271, and described first through hole is communicated in described gas storage bag by tracheae, the bottom land of described first groove is also freely overlapped on outside back-up block described in adjacent another, separately described first groove along described tensioner transmission shafts to both sides outside be also formed with one second groove 272 respectively, elastic seal ring 275 (rubber ring) is provided with in this two second groove, the outside of described elastic seal ring exceeds the outside of described back-up block, and the plurality of back-up block opens tensioner when counterpart pipe fitting, the bottom land of described first groove is still overlapped on outside back-up block described in adjacent another, described elastic seal ring seals up the space between adjacent two the first grooves.Gas in external air source passes in gas storage bag through tracheae, then is entered in the first through hole of each back-up block by tracheae, and then enters in the first groove on outside each back-up block, thus reaches the object that butt welding in welding process taps into row protection.Another is gas-tight during guarantee inflation, the second groove is provided with outside the axial both sides of back-up block first groove, elastic seal ring is equipped with in second groove, the space between adjacent two described first grooves is sealed by elastic seal ring, and seal each back-up block and treat the space (outside because of elastic seal ring exceeds the outside of back-up block) between counterpart pipe fitting, thus ensure gas No leakage on axial orientation.The bottom land of the first groove on each back-up block adopts the mode of overlap joint mutually, and no matter back-up block is in contraction or open configuration, and the first groove bottom land of a back-up block can be overlapped on another back-up block adjacent, ensures gas No leakage in radial orientation further; Like this, when counterpart complete carry out welding time, can ensure to pass into the gas purity in the first groove, ensure welding quality.
Preferably, described booster body also includes drive unit 22, described drive unit comprises the cover 220 that is in transmission connection, be in transmission connection axle 221 and in order to provide the actuating unit of power, the described cover 220 that is in transmission connection comprises connecting portion 2201, retainer 2202 and engaging piece 2203, described connecting portion 2201 is sheathed between described tensioner power transmission shaft and described positioning sleeve, and described connecting portion side is also connected with described tensioner power transmission shaft threaded one end; Described positioning sleeve side backstop is in the side of described retainer 2202, and described engaging piece 2203 engages with described axle 221 one end that is in transmission connection, described in the be in transmission connection clutch end of the axle other end and described actuating unit be connected.
In the utility model, the operation principle of this pipe string internal clamp 2 is: by actuating unit for the axle that is in transmission connection provides power, the axle that is in transmission connection drives the cover that is in transmission connection to rotate, but cover is threaded with tensioner power transmission shaft owing to being in transmission connection, positioning sleeve one end is stopped at again and is in transmission connection on the retainer of cover, just can produce huge axial pressing force, to compress the first supporting disk and the second supporting disk, and then start to compress the first tightening piece unit and the second tightening piece unit; First first supporting disk promotes the first location division of lever first tightening piece, and by lever principle, the first support portion of the first tightening piece promotes back-up block side (left side) and radially expands; After expanding force reaches certain numerical value, second supporting disk promotes the second location division of lever second tightening piece, by lever principle, the second support portion of the second tightening piece promotes back-up block opposite side (right side) and radially expands, and achieves the object of segmentation tensioner; Two elastic seal rings on back-up block both sides then ensure the synchronous of tensioner bracing or strutting arrangement along the circumferential direction tensioner.Under the operating conditions described above, the first tensioner in front end of tensioner bracing or strutting arrangement, for the pipe fitting (straight tube, elbow, flange, threeway etc.) of movable support, the rear end tensioner again of tensioner bracing or strutting arrangement, realizes counterpart operation, ensures axiality.
Claims (8)
1. an elbow group is to special internal clamp, comprise pipe string internal clamp (2), this pipe string internal clamp (2) comprises booster body and tensioner supporting mechanism, wherein, described booster body comprises tensioner power transmission shaft (20) and is sheathed on the positioning sleeve (21) outside described tensioner power transmission shaft one end, and described tensioner power transmission shaft can slide axially by relatively described positioning sleeve, described tensioner supporting mechanism comprises the first supporting disk (23), second supporting disk (24), first tightening piece unit, second tightening piece unit and back-up block unit, described first supporting disk (23) is sheathed on outside the described tensioner power transmission shaft other end, the distance that described second supporting disk (24) and the first supporting disk (23) apart set also is sheathed on described positioning sleeve (21) outward, the first tightening piece (25) that described first tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, the second tightening piece (26) that described second tightening piece unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and described first tightening piece unit and the second tightening piece unit are also arranged between described first supporting disk and the second supporting disk along described tensioner power transmission shaft axially spaced-apart, the back-up block (27) that described back-up block unit is arranged in described tensioner power transmission shaft periphery by multiple circular row forms, and the plurality of back-up block is all positioned between the first tightening piece be oppositely arranged and the second tightening piece towards the inner side of described tensioner power transmission shaft, separately described first supporting disk (23) can drive the plurality of first tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of first tightening piece is opened and the plurality of back-up block side be able to be driven to open tensioner one treat counterpart pipe fitting, described second supporting disk also can drive the plurality of second tightening piece radial direction to open under the driving of described tensioner power transmission shaft, and the radial direction of the plurality of second tightening piece open the plurality of back-up block opposite side be able to be driven to open tensioner another treats counterpart pipe fitting, it is characterized in that: be also located by connecting a back support running gear (1) on described first supporting disk (23), described second supporting disk (24) has also been located by connecting a front support tumbler (3).
2. elbow group according to claim 1 is to special internal clamp, it is characterized in that: described back support running gear (1) comprises the bracing frame (10) of an arced tube and multiple walking wheel unit, one end face of the side in support frame as described above (10) arc length direction and described first supporting disk (23) described first tightening piece unit is dorsad located by connecting, and the plurality of walking wheel unit is arranged on outside support frame as described above along interval, support frame as described above arc length direction; Separately described in each, walking wheel unit respectively includes several multi-directional ball along bracing frame circumferential array (11) respectively, and is also connected by rib between adjacent two multi-directional ball.
3. elbow group according to claim 2 is to special internal clamp, it is characterized in that: be provided with a tube connector, the side in support frame as described above (10) arc length direction is located by connecting by an end face of described tube connector and described first supporting disk (23) described first tightening piece unit dorsad;
Another also location on the opposite side in support frame as described above (10) arc length direction is provided with leader (12).
4. elbow group according to claim 1 is to special internal clamp, it is characterized in that: described front support tumbler (3) comprises body (30) and multiple multi-directional ball bearing (31) of a ring body shape, the plurality of multi-directional ball bearing (31) circular row is arranged on the outer circumferential side of described body, and described body (30) positioning sleeve is located on the outside of described second supporting disk (24).
5. elbow group according to claim 1 is to special internal clamp, it is characterized in that: between described first tightening piece unit and described tensioner power transmission shaft, be provided with the first elastic component (281), the second elastic component (282) is provided with between described second tightening piece unit and described tensioner power transmission shaft, and being also provided with gas storage bag (29) between described first elastic component and the second elastic component, described gas storage bag is communicated in external air source by tracheae.
6. elbow group according to claim 5 is to special internal clamp, it is characterized in that: the first tightening piece (25) described in each comprises the first location division (250) and the first support portion (251) in setting angle, described first location division (250) is positioned between described first supporting disk and the first elastic component, and described first location division is formed with the first deep-slotted chip breaker towards the side of described first supporting disk, described first supporting disk is formed with the first projection (230) towards the side of described first location division, described first projection is inserted in described first deep-slotted chip breaker, the described side of first support portion (251) in the middle part of described back-up block is free side, is also formed with the first slot to make way (273) in the middle part of described back-up block, and the free side of described first support portion is inserted in described first slot to make way,
Second tightening piece (26) described in each comprises the second location division (260) and the second support portion (261) in setting angle, described second location division (260) is positioned between described second supporting disk and the second elastic component, and described second location division is formed with the second deep-slotted chip breaker towards the side of described second supporting disk, described second supporting disk is formed with the second projection (240) towards the side of described second location division, and described second projection is inserted in described second deep-slotted chip breaker; The described side of second support portion (261) in the middle part of described back-up block is free side, be also formed with the second slot to make way (274), and the free side of described second support portion is inserted in described second slot to make way in the middle part of described back-up block.
7. elbow group according to claim 6 is to special internal clamp, it is characterized in that: the outer middle side part of each described back-up block (27) described tensioner power transmission shaft dorsad is also formed with arc first groove (270) extended along tensioner power transmission shaft circumference, the bottom land of described first groove is provided with the first through hole (271), and described first through hole is communicated in described gas storage bag by tracheae, the bottom land of described first groove is also freely overlapped on outside back-up block described in adjacent another, separately described first groove along described tensioner transmission shafts to both sides outside be also formed with one second groove (272) respectively, elastic seal ring (275) is provided with in this two second groove, the outside of described elastic seal ring exceeds the outside of described back-up block, and the plurality of back-up block opens tensioner when counterpart pipe fitting, the bottom land of described first groove is still overlapped on outside back-up block described in adjacent another, described elastic seal ring seals up the space between adjacent two the first grooves.
8. elbow group according to claim 5 is to special internal clamp, it is characterized in that: described booster body also includes drive unit (22), described drive unit comprises the cover (220) that is in transmission connection, be in transmission connection axle (221), and in order to provide the actuating unit of power, the described cover (220) that is in transmission connection comprises connecting portion (2201), retainer (2202) and engaging piece (2203), described connecting portion (2201) is sheathed between described tensioner power transmission shaft and described positioning sleeve, and described connecting portion side is also connected with described tensioner power transmission shaft threaded one end, described positioning sleeve side backstop is in the side of described retainer (2202), described engaging piece (2203) engages with the described axle that is in transmission connection (221) one end, described in the be in transmission connection clutch end of the axle other end and described actuating unit be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220870.XU CN204545797U (en) | 2015-04-14 | 2015-04-14 | Elbow group is to special internal clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520220870.XU CN204545797U (en) | 2015-04-14 | 2015-04-14 | Elbow group is to special internal clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204545797U true CN204545797U (en) | 2015-08-12 |
Family
ID=53820962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520220870.XU Withdrawn - After Issue CN204545797U (en) | 2015-04-14 | 2015-04-14 | Elbow group is to special internal clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204545797U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078064A (en) * | 2016-08-25 | 2016-11-09 | 安徽昌永得机械有限公司 | Be suitable to the core apparatus that rises of arm cylinder location |
| CN106141531A (en) * | 2015-04-14 | 2016-11-23 | 昆山安意源管道科技有限公司 | Elbow group is to special internal clamp |
-
2015
- 2015-04-14 CN CN201520220870.XU patent/CN204545797U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141531A (en) * | 2015-04-14 | 2016-11-23 | 昆山安意源管道科技有限公司 | Elbow group is to special internal clamp |
| CN106078064A (en) * | 2016-08-25 | 2016-11-09 | 安徽昌永得机械有限公司 | Be suitable to the core apparatus that rises of arm cylinder location |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150812 Effective date of abandoning: 20171003 |