CN211371638U - Pipeline expansion device - Google Patents
Pipeline expansion device Download PDFInfo
- Publication number
- CN211371638U CN211371638U CN201922492555.3U CN201922492555U CN211371638U CN 211371638 U CN211371638 U CN 211371638U CN 201922492555 U CN201922492555 U CN 201922492555U CN 211371638 U CN211371638 U CN 211371638U
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- bevel gear
- base
- pipeline
- roof
- release lever
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- 230000008093 supporting effect Effects 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000008439 repair process Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 description 36
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model relates to a prosthetic technical field of pipeline, a pipeline expansion device is related to, which comprises a base, be equipped with the flexible main linkage subassembly of telescopic roof and linkage roof on the base, main linkage subassembly include vertical bevel gear and with vertical bevel gear meshed main horizontal bevel gear, still be equipped with the vertical bevel gear pivoted main driving piece of drive on the base, be equipped with the carriage release lever on the roof, the length direction of carriage release lever extends along vertical direction, one side that main horizontal bevel gear is close to the carriage release lever is fixed with the sleeve, the one end and the sleeve inner wall threaded connection of roof are kept away from to the carriage release lever, still be equipped with restriction carriage release lever pivoted restriction piece on the base. The utility model discloses it is difficult to take place the secondary in the repair process and collapses or the damaged effect of secondary to have the pipeline.
Description
Technical Field
The utility model belongs to the technical field of the prosthetic technique of pipeline and specifically relates to a pipeline expansion device is related to.
Background
At present, after various pipelines run for many years, various damages and leakage are inevitably generated due to corrosion, poor operation management and the like, so that serious economic loss is brought, but the whole pipeline is replaced by a new pipeline, so that the engineering quantity is large, the cost is high, and the engineering period is long. Therefore, the pipeline repair is of great significance.
Existing pipeline rehabilitation is usually performed by manually entering or placing a pipeline robot into the pipeline to repair the damaged portion of the pipeline.
The above prior art solutions have the following drawbacks: there is still room for improvement in that a pipe may be vibrated by a worker or a robot in repairing the pipe due to a partial damage of the pipe, and a peripheral portion of the damaged portion is fragile and may be secondarily damaged or secondarily collapsed by the vibration.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims at providing a pipeline expansion device.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a pipeline expansion device, includes the base, be equipped with the telescopic roof on the base and the flexible main linkage subassembly of linkage roof, main linkage subassembly include vertical bevel gear and with vertical bevel gear meshed main horizontal bevel gear, still be equipped with the vertical bevel gear pivoted main drive spare of drive on the base, be equipped with the carriage release lever on the roof, the length direction of carriage release lever extends along vertical direction, one side that main horizontal bevel gear is close to the carriage release lever is fixed with the sleeve, the one end and the sleeve inner wall threaded connection of roof are kept away from to the carriage release lever, still be equipped with restriction carriage release lever pivoted restriction piece on the base.
Through adopting above-mentioned technical scheme, when needs carry out the pipeline restoration, put into pipeline expansion device to the pipeline earlier, then with pipeline expansion device's position adjustment good to stretch out to roof and pipeline damage position through main linkage subassembly linkage roof and support tightly, thereby provide the holding power for the damage position of pipeline, make the damaged position of pipeline be difficult to appear the damaged condition of secondary more, thereby make the restoration operation of pipeline simpler and more convenient, safer.
Through the rotation of the vertical bevel gear driven by the main driving piece, the vertical bevel gear is linked with the main horizontal bevel gear meshed with the vertical bevel gear to rotate, so that the linkage movable rod stretches, the stretching amount of the movable rod can be adjusted according to the pipe diameter of an actual repaired pipe, the pipe expansion device is suitable for the pipeline repair of various pipe diameters, and the application range of the pipe expansion device is favorably expanded.
Through the arrangement of the threaded connection of the moving rod and the sleeve, the self-locking function of the threaded connection is utilized, so that the stability of the top plate is favorably improved, the position of the top plate is more difficult to displace after being fixed, the supporting force of the top plate on a damaged part of a pipeline is favorably improved, and the pipeline is more difficult to be secondarily damaged or secondarily collapsed; meanwhile, the position of the moving rod is adjusted by utilizing threaded connection, so that the accuracy of the position of the moving rod is improved better, the supporting position of the top plate is more accurate, the damaged position of the pipeline is supported better, and the repairing operation of the pipeline is simpler, more convenient and safer.
The present invention may be further configured in a preferred embodiment as: one side of the top plate, which is far away from the moving rod, is an arc surface.
Through adopting above-mentioned technical scheme, keep away from one side of carriage release lever for the setting of arc surface through the roof, be favorable to the roof to laminate completely with the pipeline inner wall better to be favorable to the roof to support the damaged position of pipeline better, make the pipeline be difficult to more appear the condition that the secondary damaged or secondary collapses in repair process, and then make the repair operation of pipeline more simple and convenient, safe.
The present invention may be further configured in a preferred embodiment as: the top plate is detachably connected with the moving rod.
Through adopting above-mentioned technical scheme, can dismantle with the carriage release lever through the roof and be connected for the specification and size accessible of roof is dismantled and is changed in order to adjust, thereby the arc surface that is favorable to the roof hugs closely with the pipeline inner wall better, is favorable to the roof to provide the holding power for the pipeline inner wall better, makes the pipeline be difficult to appear the secondary more and collapses or the damaged condition of secondary in the repair process, and then makes the restoration of pipeline more simple and convenient, safer.
The present invention may be further configured in a preferred embodiment as: and the base is provided with wheels and an auxiliary driving part for driving the wheels to rotate.
Through adopting above-mentioned technical scheme, be equipped with wheel and drive wheel pivoted secondary drive spare on through the base for the base is pushed to the pipeline in more easily, simultaneously, makes the position of base and roof more easily adjusted to suitable position on, thereby makes the support operation to the damaged position of pipeline simpler and easier.
The present invention may be further configured in a preferred embodiment as: the base is provided with a base plate on one side close to the wheels, and the base is provided with an auxiliary linkage assembly for linking the base plate to stretch.
Through adopting above-mentioned technical scheme, stretch out and with make bottom plate and pipeline inner wall support tightly through vice linkage assembly linkage bottom plate, thereby make wheel and pipeline inner wall separation, thereby make the wheel be difficult to more exert an influence to the stability of base, make the roof stretch out and support tightly behind the pipeline inner wall, the displacement is difficult to take place more to the base, and then be favorable to the roof to support the damaged position of pipeline better, make the damaged position of pipeline be difficult to appear the secondary more and collapse or the damaged condition of secondary, be favorable to improving the simplicity and the security of pipeline restoration operation better.
The present invention may be further configured in a preferred embodiment as: the auxiliary linkage assembly comprises an auxiliary horizontal bevel gear meshed with the vertical bevel gear, a movable rod is arranged on the bottom plate, the length direction of the movable rod extends along the vertical direction, a sleeve is fixed on one side, close to the movable rod, of the auxiliary horizontal bevel gear, one end, far away from the bottom plate, of the movable rod is in threaded connection with the inner wall of the sleeve, and a limiting part for limiting the movable rod to rotate is arranged on the base.
By adopting the technical scheme, the vertical bevel gear is driven to rotate by the main driving piece to link the main horizontal bevel gear to rotate, and meanwhile, the auxiliary horizontal bevel gear is linked to rotate, so that the movable rod is linked to stretch out and draw back, the bottom plate is driven to stretch out by the power stretching out of the driving top plate, and the power energy is saved.
The telescopic amount of the movable rod is adjusted through threaded connection, and the self-locking function of the threaded connection is utilized, so that the position of the bottom plate is fixed while the extension amount of the bottom plate is adjusted, other operations are not needed for fixing the bottom plate, and the operation is simple and convenient; simultaneously, utilize threaded connection in order to adjust the flexible volume of movable rod, be favorable to improving the regulation precision of movable rod better to be favorable to bottom plate and roof to support the damaged position of pipeline better, make the pipeline be difficult to appear the secondary more and collapse or the damaged condition of secondary in the repair process.
The present invention may be further configured in a preferred embodiment as: one side of the bottom plate, which is far away from the movable rod, is an arc surface.
Through adopting above-mentioned technical scheme, keep away from one side of movable rod through the bottom plate for the setting of arc surface, be favorable to the bottom plate to laminate with the pipeline inner wall better to be favorable to improving the stability of bottom plate better, make the bottom plate be difficult to more rock, and then be favorable to pipeline expansion device to support the damaged part of pipeline better.
The present invention may be further configured in a preferred embodiment as: and the base is fixedly provided with a supporting seat for supporting the main horizontal bevel gear, the auxiliary horizontal bevel gear and the vertical bevel gear.
Through adopting the above technical scheme, through the setting of supporting seat, be favorable to improving main horizontal bevel gear better, vice horizontal bevel gear and vertical bevel gear's stability, be favorable to dispersing main horizontal bevel gear better, vice horizontal bevel gear and vertical bevel gear's atress, thereby be favorable to main horizontal bevel gear, vice horizontal bevel gear and vertical bevel gear bear the weight of the pressure that roof and bottom plate received better, make main horizontal bevel gear, vice horizontal bevel gear and vertical bevel gear be difficult to damage more, and then be favorable to prolonging pipeline expanding unit's life better.
The present invention may be further configured in a preferred embodiment as: the cross section of one end of the supporting seat close to the base is large, and the cross section of one end of the supporting seat far away from the base is small.
Through adopting above-mentioned technical scheme, through the setting that the base one end is big, keep away from base one end little of supporting seat, be favorable to improving the stability of supporting seat, be favorable to the supporting seat to bear main horizontal bevel gear, vice horizontal bevel gear and vertical bevel gear's atress better for main horizontal bevel gear, vice horizontal bevel gear and vertical bevel gear are difficult to damage more, and then are favorable to prolonging pipeline expanding unit's life better.
The present invention may be further configured in a preferred embodiment as: and reinforcing ribs are arranged at the joints of the movable rods and the top plate.
Through adopting above-mentioned technical scheme, through the setting of strengthening rib, be favorable to improving the stability of the junction of carriage release lever and roof better for the junction of carriage release lever and roof is difficult to the fracture more, thereby is favorable to prolonging the life of carriage release lever and roof better.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the pipeline needs to be repaired, the main linkage assembly is used for linking the top plate to extend to the top plate to be tightly abutted against the damaged position of the pipeline, so that supporting force is provided for the damaged position of the pipeline, secondary damage is less prone to occurring at the damaged position of the pipeline, and the pipeline is simpler, more convenient and safer to repair;
2. the vertical bevel gear is driven to rotate by the main driving piece, the vertical bevel gear is linked with the main horizontal bevel gear meshed with the vertical bevel gear to rotate, so that the movable rod is linked to stretch, the stretching amount of the movable rod can be adjusted according to the pipe diameter of an actually repaired pipe, the pipe expansion device is suitable for repairing pipes with different pipe diameters, and the application range of the pipe expansion device is favorably expanded;
3. through the arrangement of the threaded connection of the moving rod and the sleeve, the stability of the top plate is favorably improved, the position of the top plate is more difficult to displace after being fixed, the supporting force of the top plate on a damaged part of a pipeline is favorably improved, and the pipeline is more difficult to be secondarily damaged or secondarily collapsed;
4. utilize threaded connection in order to adjust the position of carriage release lever, be favorable to improving the precision of carriage release lever position better, be favorable to the carriage release lever to support the damaged position of pipeline better for the repair operation of pipeline is more simple and convenient, safety.
Drawings
Fig. 1 is a schematic view of the overall structure of a pipe expansion device according to the present invention;
fig. 2 is a schematic view of the internal structure of a pipe expansion device according to the present invention.
In the figure, 1, a base; 11. a wheel; 12. a supporting seat; 13. a limiting member; 131. a square hole; 132. a support frame; 121. accommodating grooves; 2. a top plate; 3. a primary linkage assembly; 31. a vertical bevel gear; 32. a main horizontal bevel gear; 33. a travel bar; 331. a tab; 332. reinforcing ribs; 333. a bolt; 34. a threaded post; 35. a sleeve; 36. a primary drive member; 4. a secondary linkage assembly; 41. a secondary horizontal bevel gear; 42. a sleeve; 43. a movable rod; 5. a base plate; 51. and a limiting member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, for the utility model discloses a pipeline expansion device, including base 1, be equipped with telescopic roof 2 and the flexible main linkage assembly 3 of linkage roof 2 on the base 1, still be equipped with the flexible vice linkage assembly 4 of telescopic bottom plate 5 and linkage bottom plate 5 on the base 1.
Referring to fig. 1, the base 1 is rectangular, the base 1 is provided with four wheels 11 and a secondary driving member (not shown) for driving the wheels 11 to rotate, and the four wheels 11 are respectively located at four top corners of the bottom surface of the base 1. In this embodiment, the secondary drive member is a motor.
Referring to fig. 1, a support seat 12 is fixed on one side of the base 1 far away from the wheel 11, the support seat 12 is in a circular truncated cone shape, the cross-sectional area of the support seat 12 close to one end of the base 1 is large, and the cross-sectional area of the support seat 12 far away from one end of the base 1 is small.
Referring to fig. 1 and 2, the main linkage assembly 3 includes a vertical bevel gear 31 and a main horizontal bevel gear 32 engaged with the vertical bevel gear 31, the vertical bevel gear 31 and the main horizontal bevel gear 32 are both located on the support base 12, and an accommodating groove 121 for accommodating the vertical bevel gear 31 and the main horizontal bevel gear 32 is formed on the support base 12. The supporting seat 12 is further fixed with a main driving member 36 for driving the vertical bevel gear 31 to rotate, in this embodiment, the main driving member 36 is a motor fixedly connected with the vertical bevel gear 31.
Referring to fig. 2, the moving rod 33 is detachably connected to the top plate 2, the end, far away from the top plate 2, of the moving rod 33 is fixedly connected with a threaded column 34, the threaded column 34 is cylindrical, a sleeve 35 is fixedly connected to one side, close to the moving rod 33, of the main horizontal bevel gear 32, the sleeve 35 is rotatably connected to the inner wall of the accommodating groove 121, threads are arranged on the inner wall of the sleeve 35, and the threaded column 34 is in threaded connection with the inner wall of the sleeve 35.
Referring to fig. 2, the moving rod 33 is in a square bar shape, and a stopper 13 for restricting the rotation of the moving rod 33 is fixed to the support base 12. In the embodiment, the limiting member 13 includes a supporting frame 132 fixed to an end of the supporting base 12 away from the base 1, a square hole 131 for the moving rod 33 to pass through is formed at an end of the supporting frame 132 away from the supporting base 12, and a gap is formed between an outer side wall of the moving rod 33 and an inner side wall of the square hole 131.
Referring to fig. 2, a side of the top plate 2 close to the moving rod 33 is a plane, and a side of the top plate 2 far from the moving rod 33 is a circular arc surface.
Referring to fig. 2, a lug 331 protrudes from one end of the moving rod 33 near the top plate 2, and the lug 331 has a square shape. The protruding piece 331 has four through holes (not shown), and the four through holes are located at four corners of the protruding piece 331. Four threaded holes (not shown) are formed in the side of the top plate 2 close to the movable rod 33 corresponding to the through holes, bolts 333 are screwed into the threaded holes, and the bolts 333 penetrate through the through holes and are screwed into the threaded holes.
Referring to fig. 2, the outer side wall of one end of the moving rod 33 fixedly connected to the lug 331 is further fixed with four ribs 332, and in the present embodiment, four ribs 332 are provided and uniformly distributed along the outer circumference of one end of the moving rod 33 near the lug 331.
Referring to fig. 2, the bottom plate 5 is located on one side of the base 1 close to the wheel 11, a movable rod 43 is fixed on the bottom plate 5, the movable rod 43 is cylindrical, and a circular hole (not shown in the figure) for the movable rod 43 to pass through is formed in the base 1. The bottom plate 5 is like a cuboid, four top corner parts of the bottom plate 5 are notched to provide an installation space for the wheels 11, one side of the bottom plate 5 close to the base 1 is a plane and is abutted against one side of the base 1 close to the wheels 11, and one side of the bottom plate 5 far away from the base 1 is an arc surface.
Referring to fig. 2, the sub linkage assembly 4 includes a sub horizontal bevel gear 41 engaged with the vertical bevel gear 31, the sub horizontal bevel gear 41 being located in the receiving groove 121. A sleeve 42 is fixed on one side of the secondary horizontal bevel gear 41 close to the base 1, the sleeve 42 is rotatably connected to the inner wall of the accommodating groove 121, and the inner wall of the sleeve 42 is provided with threads. The outer wall of one end of the movable rod 43 far away from the bottom plate 5 is provided with threads, and one end of the movable rod 43 far away from the bottom plate 5 is in threaded connection with the inner wall of the sleeve 42.
Referring to fig. 2, the base 1 is further provided with two limiting members 51 for limiting the rotation of the bottom plate 5, in this embodiment, the limiting members 51 are limiting frames fixed on one side of the bottom plate 5 close to the base 1, and the two limiting members 51 are symmetrically arranged about the supporting seat 12. The base 1 is provided with a movable hole (not shown) for moving the limiting member 51, and the limiting member 51 penetrates through the base 1 and is located on a side of the base 1 away from the wheel 11.
The implementation principle of the embodiment is as follows:
when the pipeline needs to be repaired, the pipeline expansion device is placed into the pipeline, the wheels 11 are driven to advance through the auxiliary driving piece, the pipeline expansion device is located at the damaged position of the pipeline, then the vertical bevel gear 31 is driven to rotate through the main driving piece 36, the vertical bevel gear 31 rotates to link the main horizontal bevel gear 32 and the auxiliary horizontal bevel gear 41 to rotate simultaneously, the top plate 2 and the bottom plate 5 are further linked to stretch out of the position abutted to the inner wall of the pipeline simultaneously, the top plate 2 and the bottom plate 5 are abutted to the inner wall of the pipeline simultaneously, and therefore the top plate 2 and the bottom plate 5 both have certain supporting force on the damaged part of the pipeline, the damaged part of the pipeline is less prone to secondary collapse or secondary damage, and the pipeline repairing operation is simpler and safer; simultaneously, be favorable to reducing the influence of wheel 11 to pipeline expanding unit's stability better, be favorable to improving pipeline expanding unit's stability better to be favorable to pipeline expanding unit to provide the holding power for pipeline damaged part better, make the pipeline be difficult to appear the condition that the secondary damaged or the secondary collapses in the repair process more.
The vertical bevel gear 31 is used for simultaneously linking the main horizontal bevel gear 32 and the auxiliary horizontal bevel gear 41 to rotate, so that the top plate 2 and the bottom plate 5 are linked to simultaneously stretch out to tightly abut against the inner wall of the pipeline, power resources are saved better, and energy conservation and environmental protection are better facilitated.
The protruding amount of the top plate 2 and the bottom plate 5 is adjusted by using threaded connection, and the top plate 2 and the bottom plate 5 are fixed while the positions are adjusted by using the self-locking function of the threaded connection, so that other operations are not required to be additionally carried out for fixing the top plate 2 and the bottom plate 5; meanwhile, the stability of the top plate 2 and the bottom plate 5 can be improved better, so that the top plate 2 and the bottom plate 5 are not easy to displace after being fixed in position, and the top plate 2 and the bottom plate 5 can support the damaged part of the pipeline better; in addition, threaded connection still is favorable to the position of accurate adjustment roof 2 and bottom plate 5 for roof 2 and bottom plate 5's position can realize the fine setting, thereby is favorable to roof 2 and bottom plate 5 to support the damaged part of pipeline better, makes the pipeline be difficult to appear the secondary more and collapses or the damaged condition of secondary in the repair process, is favorable to improving pipeline repair's security and simplicity better.
One side that is close to the pipeline through roof 2 and bottom plate 5 all sets up to the arc surface, be favorable to roof 2 and bottom plate 5 better and the laminating of pipeline inner wall when supporting the pipeline to be favorable to roof 2 and bottom plate 5 to support the damaged part of pipeline better, make the pipeline be difficult to more the secondary condition of appearing collapsing or appearing the secondary damage in the repair process, be favorable to improving pipeline prosthetic security and simplicity better.
Through the setting of supporting seat 12, be favorable to dispersing the pressure that roof 2 and bottom plate 5 received better to make pipeline expansion device's load higher, make vertical bevel gear 31, main horizontal bevel gear 32 and vice horizontal bevel gear 41 be difficult to damage because of the load is too big more, and then be favorable to prolonging pipeline expansion device's life better.
Through the setting that supporting seat 12 upper end is little, the lower extreme is big, be favorable to improving supporting seat 12's stability better for pipeline expansion device's bearing capacity is stronger, thereby is favorable to prolonging pipeline expansion device's life better.
Can dismantle the setting of being connected through roof 2 and carriage release lever 33 for the specification and size of roof 2 can replace according to the specification and size of the prosthetic pipeline of actual need, thereby makes the specification and size of roof 2 more be suitable for different pipelines, is favorable to improving the roof 2 better to the supporting effect of pipeline inner wall damaged part, makes the prosthetic security of pipeline and simplicity higher.
The arrangement that the reinforcing ribs 332 are fixed at the joints of the top plate 2 and the moving rods 33 is beneficial to better enhancing the stability of the connecting positions of the moving rods 33 and the top plate 2, so that the top plate 2 is beneficial to better supporting damaged parts of pipelines, the connecting positions of the moving rods 33 and the top plate 2 are less prone to fracture, and the service lives of the moving rods 33 and the top plate 2 are better prolonged.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. A pipeline expansion device, characterized in that: including base (1), be equipped with telescopic roof (2) and the flexible main linkage subassembly (3) of linkage roof (2) on base (1), main linkage subassembly (3) include vertical bevel gear (31) and with vertical bevel gear (31) meshed main horizontal bevel gear (32), still be equipped with drive vertical bevel gear (31) pivoted main drive spare (36) on base (1), be equipped with carriage release lever (33) on roof (2), the length direction of carriage release lever (33) extends along vertical direction, one side that main horizontal bevel gear (32) are close to carriage release lever (33) is fixed with sleeve (35), the one end and sleeve (35) inner wall threaded connection of roof (2) are kept away from in carriage release lever (33), still be equipped with restriction carriage release lever (33) pivoted limiter (13) on base (1).
2. The pipe expanding device of claim 1, wherein: one side of the top plate (2) far away from the moving rod (33) is an arc surface.
3. The pipe expanding device of claim 2, wherein: the top plate (2) is detachably connected with the moving rod (33).
4. The pipe expanding device of any one of claims 1 to 3, wherein: the base (1) is provided with wheels (11) and an auxiliary driving part for driving the wheels (11) to rotate.
5. The conduit expansion device of claim 4, wherein: one side of the base (1) close to the wheels (11) is further provided with a bottom plate (5), and the base (1) is provided with an auxiliary linkage assembly (4) for stretching and retracting the linkage bottom plate (5).
6. The conduit expansion device of claim 5, wherein: vice linkage subassembly (4) include with vertical bevel gear (31) engaged with vice horizontal bevel gear (41), be equipped with movable rod (43) on bottom plate (5), the length direction of movable rod (43) extends along vertical direction, vice horizontal bevel gear (41) are close to movable rod (43) one side and are fixed with sleeve pipe (42), the one end and sleeve pipe (42) inner wall threaded connection of bottom plate (5) are kept away from in movable rod (43), be equipped with restriction movable rod (43) pivoted locating part (51) on base (1).
7. The conduit expansion device of claim 6, wherein: one side of the bottom plate (5) far away from the movable rod (43) is an arc surface.
8. The conduit expansion device of claim 6, wherein: and a supporting seat (12) for supporting the main horizontal bevel gear (32), the auxiliary horizontal bevel gear (41) and the vertical bevel gear (31) is fixed on the base (1).
9. The conduit expansion device of claim 8, wherein: the cross section of one end, close to the base (1), of the supporting seat (12) is large, and the cross section of one end, far away from the base (1), of the supporting seat is small.
10. The pipe expanding device of any one of claims 1 to 3, wherein: and a reinforcing rib (332) is arranged at the joint of the movable rod (33) and the top plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492555.3U CN211371638U (en) | 2019-12-30 | 2019-12-30 | Pipeline expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922492555.3U CN211371638U (en) | 2019-12-30 | 2019-12-30 | Pipeline expansion device |
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| Publication Number | Publication Date |
|---|---|
| CN211371638U true CN211371638U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922492555.3U Active CN211371638U (en) | 2019-12-30 | 2019-12-30 | Pipeline expansion device |
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| CN (1) | CN211371638U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889108A (en) * | 2022-04-11 | 2022-08-12 | 刘龙 | Ethylene Propylene Diene Monomer (EPDM) environment-friendly tube and manufacturing method thereof |
| CN116142609A (en) * | 2022-12-30 | 2023-05-23 | 杭州盾源聚芯半导体科技有限公司 | A silicon boat transportation reinforcement fixture |
-
2019
- 2019-12-30 CN CN201922492555.3U patent/CN211371638U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114889108A (en) * | 2022-04-11 | 2022-08-12 | 刘龙 | Ethylene Propylene Diene Monomer (EPDM) environment-friendly tube and manufacturing method thereof |
| CN116142609A (en) * | 2022-12-30 | 2023-05-23 | 杭州盾源聚芯半导体科技有限公司 | A silicon boat transportation reinforcement fixture |
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