CN211220513U - Portable on-site buckling device - Google Patents
Portable on-site buckling device Download PDFInfo
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- CN211220513U CN211220513U CN201922166996.4U CN201922166996U CN211220513U CN 211220513 U CN211220513 U CN 211220513U CN 201922166996 U CN201922166996 U CN 201922166996U CN 211220513 U CN211220513 U CN 211220513U
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Abstract
The utility model relates to a portable on-site buckling device, which comprises a supporting connecting plate and a rotating mechanism, wherein the rotating mechanism is movably connected with a connecting rod, and the end part of the connecting rod passes through the supporting connecting plate and is fixedly connected with an inner expansion head arranged at one side of the supporting connecting plate; the rotating mechanism drives the connecting rod to move, drives the inner expansion head to perform inner expansion extrusion on the composite pipe and the screw head core pipe assembly which are placed in the sleeve, and buckles the sleeve, the screw head core pipe assembly and the composite pipe together; can withhold at the scene, improve the efficiency of withholding, solve and withhold the inconsistent (axial and radial grip inequality) and lead to damaging the problem of reinforcing fiber, improve the application reliability of pipe, the effective latus rectum that the internal expanding makes the joint enlarges relatively, has reduced the pipeline flow resistance, the cost is reduced.
Description
Technical Field
The utility model relates to a flexible high pressure feed pipe butt joint technical field, concretely relates to portable on-spot withhold device.
Background
The flexible composite high-pressure delivery pipe is mainly used for land oil and gas delivery pipelines, is corrosion-resistant, simple in operation and the like, reduces the delivery cost, improves the production efficiency, and lays a foundation for the popularization of non-metal pipelines in the field. The method can be said to be a new development branch of future oil field pipelines and has wide application prospect.
However, it is known that problems and deficiencies are also found in the application process, mainly manifested as pipe bursts and leaks. Causes of pipe failure include pipe quality problems, joint problems, job specification problems, etc., with the problems due to joint technology being a significant share. Therefore, there is a need for improvements and optimizations to the joint related art.
At present, when the joint of a pipe is buckled and pressed, the single externally-contracted sleeve of a multi-flap die head is adopted for buckling and pressing on the spot. The biggest defect of the buckling mode is that the inner inserting pipe causes larger loss of the drift diameter of the pipe, so that the selection (diameter) of the pipe is larger, the cost of the pipe is relatively improved, and the energy consumption is increased due to the increase of the flow resistance;
for a high-pressure thick-wall large-caliber fiber reinforced pipe, the annular grip strength provided for the pipe by the single external buckling of the multi-flap die head is uneven, so that the fiber of the reinforced layer is damaged, and the fiber cannot play a role by 100%;
this crimping method requires a high consistency of the joint material properties (even different results may be obtained for different workers), can easily result in inconsistent crimping grip (uneven axial and circumferential grip), and can cause a serious problem of seal failure and leakage. The method is also one of the phenomena that the accident rate of the oil field is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming of the prior art, the utility model aims at providing a can make things convenient for the geminate transistors to withhold at the job site, easy operation withholds stability and good reliability, withholds the damage of the pipe joint geminate transistor of accomplishing simultaneously and little, enlarge the portable on-the-spot withhold device that the coupling leads to the warp.
In order to achieve the purpose, the utility model adopts the following technical scheme that the portable on-site buckling device comprises a supporting connection plate and a rotating mechanism fixedly connected to one side of the supporting connection plate, wherein the rotating mechanism is movably connected with a connecting rod and drives the connecting rod to move, and the end part of the connecting rod passes through the supporting connection plate and is fixedly connected with an inner expansion head arranged on one side of the supporting connection plate;
the sleeve, the screw head core tube assembly and the composite tube which need to be buckled into a whole are connected to a supporting connecting plate on the other side of the relative rotating mechanism, the inner diameter of the end part, close to the supporting connecting plate, of the sleeve is matched with the outer diameter of the screw head core tube assembly, and the inner diameter, far away from the end part of the supporting connecting plate, of the sleeve is matched with the outer diameter of the composite tube;
the rotating mechanism drives the connecting rod to move, drives the inner expansion head to perform inner expansion extrusion on the composite pipe and the screw head core pipe assembly which are placed in the sleeve, and buckles the sleeve, the screw head core pipe assembly and the composite pipe together.
The inner expansion head is fixedly connected to the end part of the connecting rod through a locking nut.
And the side surface of the supporting connecting plate is provided with a clamping device for clamping the sleeve and the screw head core tube assembly.
The clamping device is composed of a plurality of step bodies, the step bodies are uniformly and fixedly connected to the side edge of the center hole of the supporting connecting plate, and the highest step in the step bodies is close to the center of the supporting connecting plate.
The rotary mechanism comprises a rotary body fixedly connected to the supporting and connecting plate and a driving lead screw nut arranged in the rotary body, the driving lead screw nut is in threaded connection with the connecting rod, the driving lead screw nut is movably connected with the rotary body through a bearing, a worm wheel is fixedly sleeved on the driving lead screw nut and meshed with the worm, and the end part of the worm is fixedly connected with a driving device.
The driving device is a driving motor.
The driving device is a hydraulic rotary electric cylinder which is communicated with the manual hydraulic station.
The connecting rod is characterized in that an anti-rotation groove parallel to the central line of the connecting rod is formed in the circumferential surface of the connecting rod, and a flat key fixedly arranged on the inner wall of a central hole of the supporting connecting plate is inserted into the anti-rotation groove and is connected with the anti-rotation groove in a matched mode.
A field buckling method comprises the following steps:
the method comprises the following steps: installing a buckling device at the position of a pipeline to be buckled and pressed, and respectively buckling a screw head core tube assembly and a sleeve to be buckled and pressed on the side surface of a supporting connecting plate, wherein the screw head core tube assembly and the sleeve are coaxial;
step two: inserting the end part of the composite pipe into an annular cavity formed by the filament head core pipe assembly and the end part of the sleeve;
step three: the rotating mechanism drives the end part of the connecting rod to penetrate through the screw head core tube assembly and extend out of the composite tube, then the inner expansion head is fixedly connected to the connecting rod, the rotating mechanism drives the inner expansion head on the connecting rod to move in the direction of the supporting connecting plate, the inner expansion head enters the screw head core tube assembly, the composite tube and the sleeve which are sleeved together are extruded, and the screw head core tube assembly, the composite tube and the sleeve are pressed together in a buckling mode;
step four: and the internal expansion head moves to the end part of the support connecting plate, and the screw head core tube assembly, the composite tube and the sleeve which are buckled together are detached from the support connecting plate, so that the on-site buckling is completed.
The utility model has the advantages that: the buckling can be carried out on site, the buckling efficiency is improved, the problem that reinforcing fibers are damaged due to inconsistent buckling holding power (uneven axial and radial holding power) is solved, and the application reliability of the pipe is improved;
the effective drift diameter of the joint is relatively enlarged due to the internal expansion, the flow resistance of the pipeline is reduced, and the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic cross-sectional view of the connection between the connection support plate and the connection rod of the present invention;
fig. 3 is a schematic structural diagram of a rotating mechanism in the present invention;
fig. 4 is a schematic side view of the rotary structure of the present invention;
FIG. 5 is a schematic side view of the connecting support plate of the present invention;
fig. 6 is a schematic structural diagram of the middle latch device of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Example 1
As shown in fig. 1, the portable on-site crimping device comprises a supporting connection plate 1 and a rotating mechanism 5 fixedly connected to one side of the supporting connection plate 1, wherein a connecting rod 4 is movably connected to the rotating mechanism 5, the rotating mechanism 5 drives the connecting rod 4 to move, and the end of the connecting rod 4 penetrates through the supporting connection plate 1 and is fixedly connected with an inner expansion head 7 arranged at one side of the supporting connection plate 1; the supporting connecting plate 1 is used as a foundation of the whole device, no detailed limitation is made on the shape of the supporting connecting plate 1, the supporting connecting plate 1 can be fixedly connected to a support for use according to the field use environment, a central hole penetrating through the supporting connecting plate 1 is formed in the supporting connecting plate 1, the connecting rod 4 can be driven by the rotating mechanism 5 to penetrate through the central hole of the supporting connecting plate at will and not be contacted with the central hole, the inner expansion head 7 is fixedly connected to the end part of the connecting rod 4 through the locking nut 9 during use, and the inner expansion head 7 can be conveniently detached from the connecting rod 4 in the use process;
the sleeve 3, the screw head core tube assembly 2 and the composite tube 6 which need to be buckled and pressed into a whole are connected to the supporting and connecting plate 1 on the other side of the relative rotating mechanism 5, the inner diameter of the end part, close to the supporting and connecting plate 1, of the sleeve 3 is matched with the outer diameter of the screw head core tube assembly 2, the inner diameter of the end part, far away from the supporting and connecting plate 1, of the sleeve 3 can be tightly contacted with the outer diameter of the screw head core tube assembly 2, the sleeve 3 and the screw head core tube assembly 2 can be buckled and pressed together when buckled and pressed, the inner diameter of the end part, far away from the supporting and connecting plate 1, of the sleeve 3 is matched with the outer diameter of the composite tube 6, the inner diameter of the end part of the sleeve 3 is the same as the outer diameter of the composite tube 6, the inner diameter of the composite tube is the same as the outer diameter of the screw head core tube assembly 2, the sleeve, The screw head core tube assembly 2 and the composite tube 6 are firmly buckled into an integral structure;
specifically, in the using process, the method comprises the following steps:
the method comprises the following steps: the method comprises the steps that a buckling device is installed at the position of a pipeline to be buckled and pressed, when buckling is carried out, if the stable placement of a supporting connecting plate is influenced by the field environment, the supporting connecting plate 1 is fixedly connected to a support arranged on the field, the stability of the device in use is guaranteed, then a screw head core tube assembly 2 and a sleeve 3 to be buckled and pressed are respectively buckled on the side face of the supporting connecting plate 1, and the screw head core tube assembly 2 and the sleeve 3 are coaxial;
step two: inserting the end part of the composite pipe 6 into an annular cavity formed by the end parts of the filament core-pipe combination 2 and the sleeve 3;
step three: the rotating mechanism 5 drives the end part of the connecting rod 4 to penetrate through the screw head core tube assembly 2 and extend out of the composite tube 6, then the inner expansion head 7 is fixedly connected onto the connecting rod 4, the rotating mechanism 5 drives the inner expansion head 7 on the connecting rod 4 to move in the direction of supporting the connecting plate 1, the inner expansion head 7 enters the screw head core tube assembly 2, the composite tube 6 and the sleeve 3 which are sleeved together are extruded, and the screw head core tube assembly 2, the composite tube 6 and the sleeve 3 are buckled together;
step four: and the inner expansion head 7 moves to the end part of the support connecting plate 1, and the screw head core tube assembly 2, the composite tube 6 and the sleeve 3 which are buckled together are detached from the support connecting plate 1, so that the on-site buckling is completed.
By adopting the buckling device, the pipeline joint needing to be buckled and pressed can be directly subjected to field operation on site, the situation that the pipeline joint is brought back to a factory for buckling and pressing is avoided, the working efficiency is improved, meanwhile, in the buckling and pressing process, the thread end core tube assembly 2, the composite tube 6 and the sleeve 3 are abutted and pressed together through the outward abutting of the inner expansion head, the inner diameter of the thread end core tube assembly 2 cannot be reduced, but the inner diameter of the thread end core tube assembly is expanded due to the inner expansion effect of the inner expansion head, the flow resistance of a pipeline in the using process is reduced, the use cost is reduced, meanwhile, in the buckling and pressing process, the pull rod is pulled through the rotating device to move transversely, the phenomenon that the axial and radial holding forces are uneven is avoided effectively, the phenomenon that fibers are damaged and strengthened is caused, the defects of the original buckling and pressing process are improved, and the application reliability of.
Example 2
On the basis of embodiment 1, when the core tube assembly 2 and the sleeve 3 are fastened to the support connection plate 1, stable fastening is required, and the core tube assembly 2 and the sleeve 3 are also conveniently detached after fastening, so that a clamping device for clamping the sleeve 3 and the core tube assembly 2 is arranged on a side surface of the support connection plate 1 as shown in fig. 5. The clamping device can conveniently clamp the sleeve 3 and the screw head core tube assembly 2, particularly, the screw head core tube assembly 2 is conveniently clamped on the supporting connecting plate 1, and after the screw head core tube assembly 2 is clamped, the sleeve matched with the screw head core tube assembly is sleeved on the screw head core tube assembly 2 to complete the clamping;
specifically, when a pipeline is buckled and pressed, the pipe diameters of the core tube assembly 2 have several standards, and in order to ensure that the buckling device can buckle and connect the core tube assemblies 2 with various different calibers, as shown in fig. 6, the clamping device is composed of a plurality of step bodies 901, the number of the step bodies used in the embodiment is 3, an included angle of 120 degrees is formed between the step bodies, the step bodies 901 are uniformly and fixedly connected to the side edge of the central hole of the support connecting plate 1, and the highest step in the step bodies 901 is close to the center of the support connecting plate 1. When the step body 901 is used, the position of the highest step close to the central hole is selected according to the inner diameter of the filament core tube assembly 2, so that the filament core tube assembly 2 is sleeved on the step, stable buckling of the filament core tube assembly is guaranteed, and in order that the filament core tube assembly 2 cannot be damaged in the using process, the step surface of the step body is arc-shaped.
Example 3
On the basis of embodiment 1, the rotating mechanism 5 needs to drive the connecting rod 4 to move transversely, so as to ensure that the inner expansion head on the pull rod can be driven to perform inner expansion work, as shown in fig. 3 and 4, the rotating mechanism 5 includes a rotating body 501 fixedly connected to the supporting and connecting plate 1, and a driving lead screw nut 502 arranged in the rotating body 501, the driving lead screw nut 502 is in threaded connection with the connecting rod 4, the driving lead screw nut 502 is movably connected with the rotating body 501 through a bearing 503, a turbine 504 is fixedly sleeved on the driving lead screw nut 502, the turbine 504 is in meshing connection with a worm 505, and the end of the worm 505 is fixedly connected with a driving device 506; the driving device 506 is a driving motor.
The power consumption of the driving motor can be realized by adopting municipal power consumption or a storage battery according to the field condition, when the electric vehicle works, a rotating shaft of the driving motor is fixedly connected with the worm 505 through a coupler to drive the worm 505 to rotate, the worm 505 drives the turbine to rotate, the turbine 504 is fixed outside the driving screw nut 502, the bearing 503 is fixedly sleeved outside the driving screw nut 502, the outer ring of the bearing 503 is fixedly connected with the rotating body 501, the driving screw nut 502 can be fixedly installed, and the driving screw nut 502 can be driven to rotate through the turbine;
meanwhile, the connecting rod 4 penetrates through holes on two sides of the driving body 501, an anti-rotation groove 401 parallel to the central line of the connecting rod 4 is arranged on the circumferential surface of the connecting rod 4 as shown in fig. 2, a flat key 101 fixedly arranged on the inner wall of a central hole of the supporting and connecting plate 1 is inserted into the anti-rotation groove 401 and is matched and connected with the anti-rotation groove 401, the flat key 101 is matched with the anti-rotation groove 401, the connecting rod 4 is guaranteed not to rotate, when the driving screw nut rotates, the connecting rod cannot rotate along with the driving screw nut, the connecting rod 4 is in threaded connection with the driving screw nut 502, the connecting rod 4 is enabled to move transversely relative to the driving screw nut 502, an inner expansion head fixedly connected with the end of the connecting rod is driven to perform inner expansion, and the buckling and pressing work of the screw head.
Example 4
On the basis of embodiment 3, since there are no electric resources in some places, the driving means 506 is a hydraulic rotary electric cylinder which is in communication with the manual hydraulic station 8. When the device is used, hydraulic power is provided through the manual hydraulic station 8, the hydraulic rotary electric cylinder is driven to drive the worm to rotate, the worm drives the driving screw nut to rotate through the driving turbine, the driving screw nut drives the connecting rod 4 to move, and then the inner expansion head is guaranteed to buckle and press the combined screw head core tube assembly, the composite tube and the sleeve, so that the device can be used under the condition without electric power, and the purpose of on-site buckling and pressing in any environment is guaranteed.
The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.
Claims (8)
1. A portable on-site buckling device is characterized by comprising a supporting connecting plate (1) and a rotating mechanism (5) fixedly connected to one side of the supporting connecting plate (1), wherein a connecting rod (4) is movably connected to the rotating mechanism (5), the rotating mechanism (5) drives the connecting rod (4) to move, and the end part of the connecting rod (4) penetrates through the supporting connecting plate (1) and is fixedly connected with an inner expansion head (7) arranged on one side of the supporting connecting plate (1);
the sleeve (3), the screw head core tube assembly (2) and the composite tube (6) which need to be buckled into a whole are connected to the supporting connecting plate (1) on the other side of the relative rotating mechanism (5), the inner diameter of the end part, close to the supporting connecting plate (1), of the sleeve (3) is matched with the outer diameter of the screw head core tube assembly (2), and the inner diameter of the end part, far away from the supporting connecting plate (1), of the sleeve (3) is matched with the outer diameter of the composite tube (6);
the rotating mechanism (5) drives the connecting rod (4) to move, drives the inner expanding head (7) to perform inner expanding extrusion on the composite pipe (6) and the screw head core pipe assembly (2) which are placed into the sleeve (3), and buckles the sleeve (3), the screw head core pipe assembly (2) and the composite pipe (6) together.
2. A portable field crimping device according to claim 1, characterised in that the inner expansion head (7) is fixedly connected to the end of the connecting rod (4) by means of a locking nut (9).
3. A portable on-site crimping device according to claim 1 or 2, characterized in that the side of the support connecting plate (1) is provided with a clamping device for clamping the sleeve (3) and the filament core tube assembly (2).
4. A portable on-site crimping device according to claim 3, characterized in that the clamping device is composed of a plurality of step-shaped step bodies (901), and the step-shaped bodies (901) are uniformly and fixedly connected to the side of the central hole of the support connecting plate (1), and the highest step in the step-shaped bodies (901) is close to the center of the support connecting plate (1).
5. The portable on-site crimping device according to claim 1, characterized in that the rotating mechanism (5) comprises a rotating body (501) fixedly connected to the support connecting plate (1), and a driving lead screw nut (502) arranged in the rotating body (501), wherein the driving lead screw nut (502) is in threaded connection with the connecting rod (4), the driving lead screw nut (502) is movably connected with the rotating body (501) through a bearing (503), a turbine (504) is fixedly sleeved on the driving lead screw nut (502), the turbine (504) is in meshing connection with a worm (505), and a driving device (506) is fixedly connected to an end of the worm (505).
6. A portable field crimping device according to claim 5, characterized in that the drive means (506) is a drive motor.
7. A portable field withholding device according to claim 6, characterised in that the driving means (506) is a hydraulic rotary electric cylinder communicating with a manual hydraulic station (8).
8. The portable field buckling and pressing device is characterized in that an anti-rotation groove (401) parallel to the center line of the connecting rod (4) is formed in the circumferential surface of the connecting rod (4), and a flat key (101) fixedly arranged on the inner wall of a central hole of the supporting and connecting plate (1) is inserted into the anti-rotation groove (401) and is matched and connected with the anti-rotation groove (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166996.4U CN211220513U (en) | 2019-12-05 | 2019-12-05 | Portable on-site buckling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922166996.4U CN211220513U (en) | 2019-12-05 | 2019-12-05 | Portable on-site buckling device |
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| Publication Number | Publication Date |
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| CN211220513U true CN211220513U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922166996.4U Active CN211220513U (en) | 2019-12-05 | 2019-12-05 | Portable on-site buckling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815124A (en) * | 2019-12-05 | 2020-02-21 | 陕西欣欣智能管业有限公司 | Portable on-site buckling device and buckling method |
| CN115095629A (en) * | 2022-05-03 | 2022-09-23 | 中国铁路上海局集团有限公司杭州工务段 | Concrete pillow base plate buffer sleeve pulling machine |
-
2019
- 2019-12-05 CN CN201922166996.4U patent/CN211220513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815124A (en) * | 2019-12-05 | 2020-02-21 | 陕西欣欣智能管业有限公司 | Portable on-site buckling device and buckling method |
| CN115095629A (en) * | 2022-05-03 | 2022-09-23 | 中国铁路上海局集团有限公司杭州工务段 | Concrete pillow base plate buffer sleeve pulling machine |
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