CN220748672U - Hydraulic system of power tongs - Google Patents
Hydraulic system of power tongs Download PDFInfo
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- CN220748672U CN220748672U CN202322434250.3U CN202322434250U CN220748672U CN 220748672 U CN220748672 U CN 220748672U CN 202322434250 U CN202322434250 U CN 202322434250U CN 220748672 U CN220748672 U CN 220748672U
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- 230000033001 locomotion Effects 0.000 claims abstract description 9
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- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 3
- 210000000080 chela (arthropods) Anatomy 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000026058 directional locomotion Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of power tongs, and discloses a power tongs hydraulic system, which comprises a pressure torque meter, a manual reversing valve, a hydraulic motor, a back-up tong cylinder and a back-up tong cylinder, wherein the pressure torque meter is used for displaying pressure and torque, the manual reversing valve is arranged on the left side surface of a main pipeline and used for controlling the linkage of a main tong motor and the back-up tong cylinder and the screwing-up or unscrewing movement, the hydraulic motor is arranged on the front side surface of the main pipeline and used for driving a main tong head to rotate and clamp a pipe column, the back-up tong cylinder is connected on the front side surface of a branch pipeline and used for driving the back-up tong to move in the forward and reverse directions and clamp a coupling, the back-up tong is matched with the main tong to form a combined tong through a novel hydraulic back-up tong, the manual reversing valve on the main tong is operated, the back-up tong is automatically and synchronously clamped and synchronously released, and the action is flexible and reliable, and the equipment has the beneficial effects of driving the back-up tong head to rotate and clamp the pipe column through the setting of the back-up tong cylinder.
Description
Technical Field
The utility model relates to the technical field of power tongs, in particular to a hydraulic system of a power tongs.
Background
The hydraulic power pliers are common industrial tools and are mainly used for clamping, cutting, drilling, compressing and the like. The hydraulic power tongs have a very wide application range, can be applied to the fields of mechanical manufacture, automobile maintenance, building construction, aerospace and the like, and have the main functions of clamping objects, and can clamp the objects through high pressure provided by a hydraulic system, so that national determination and control of the objects are realized. The hydraulic power tongs have great clamping force and can clamp objects with various shapes and sizes, so that the stability and the safety of work are ensured, and therefore, the hydraulic power tongs have very important functions in industrial production.
Such as Chinese patent: "CN2890319Y", the technical scheme disclosed in this patent is as follows: the utility model provides a sucker rod power tong for oil field workover, includes hydraulic pressure owner pincers and the mechanical back-up tong that link together through floating support section of thick bamboo, and sucker rod centralizer passes through bolt and hydraulic pressure owner pincers fixed connection, and moment of torsion-manometer passes through the manual switching-over valve connection on screw thread and the hydraulic pressure owner pincers. The utility model can accurately centralize the position of the sucker rod, prevents the phenomenon of disordered buckling in the process of screwing and unscrewing the sucker rod, has small volume and light weight, can clamp square parts of sucker rods with different sizes without replacing tooth blocks, and has the advantages of convenient adjustment, simple structure, low manufacturing cost, relatively loose requirements on processing precision, low failure rate, reliable clamping and the like.
But in actual use, the device has the following disadvantages:
1. pressure and torque cannot be displayed;
2. the linkage and the screwing-on or screwing-off movement of the main clamp motor and the back-up clamp oil cylinder cannot be controlled;
3. the back tongs cannot be driven to move in the forward and backward directions to clamp the coupling.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a hydraulic system of a power tongs.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power tong hydraulic system, includes pressure torque meter for show pressure and moment of torsion, manual reversing valve sets up in the left side surface of trunk line, is used for controlling the linkage and the knot of main tong motor, back-up tong hydro-cylinder or the knot motion of breaking out, and hydraulic motor sets up in the front side surface of trunk line, is used for driving main tong head rotation and presss from both sides tight tubular column, and the back-up tong hydro-cylinder is connected at the front side surface that divides the pipeline for drive back-up tong forward and backward direction motion and press from both sides tight coupling.
Preferably, the torque meter pipeline is connected to the right side surface of the main pipeline, the model of the pressure torque meter is JY12, the parameters of the pressure torque meter are Kn.m0-22, and the range of the table value of the pressure torque meter is 0-25 MPa.
Preferably, the manual direction valve pipeline is connected to the left side surface of the main pipeline, and the manual direction valve pipeline is connected to the left side surface of the main pipeline.
By adopting the technical scheme, the surface of the manual reversing valve in the scheme is provided with the reset knob.
Preferably, the hydraulic motor pipeline is connected to the front side surface of the main pipeline, the model of the hydraulic motor is NIM6-650, the theoretical displacement of the hydraulic motor is 660ml/r, the rated pressure of the hydraulic motor is 16MPa, the highest pressure is 25MPa, the rated torque is 1680n.M, the unit theoretical torque is 105n.m/MPa, the maximum power is 52Kw, and the highest rotating speed is 400r/min.
Preferably, the back-up wrench oil cylinder pipeline is connected to the front side surface of the branch pipeline, the model of the back-up wrench oil cylinder is YDZ-120F, the maximum working flow of the back-up wrench oil cylinder is 120L/min, the effective volume of the back-up wrench oil cylinder is 700L, and the maximum working pressure of the back-up wrench oil cylinder is 20Mpa.
Preferably, the branch pipelines are arranged on the right side surface of the main pipeline in a communicating manner, the size of the main pipeline is GB/T3683-2011/2ST/22/25MpaXK13-022-00109, and the size of the branch pipeline is GB/T3683-2011/1ST/32/9MpaXK13-022-00109.
(III) beneficial effects
Compared with the prior art, the utility model provides a power tongs hydraulic system, which has the following beneficial effects:
1. the hydraulic power tong system has the beneficial effects that the hydraulic power tong hydraulic system is provided with the pressure torque meter, so that the hydraulic power tong hydraulic system has the beneficial effects that the actual pressure and the actual torque are observed in reality, and the hydraulic power tong hydraulic system is provided with the linkage of a main tong motor and a back-up tong oil cylinder and the screwing-on or screwing-off movement through the arrangement of the manual reversing valve.
2. This kind of power tong hydraulic system forms the combination pincers through novel back-up tong that surges with main pincers are supporting, manipulates the manual switching-over valve on the main pincers, and the back-up tong is automatic synchronous clamping promptly, synchronous loosening tubular column, and the action is nimble reliable, through hydraulic motor's setting to make this equipment have the rotatory beneficial effect of pressing from both sides tight tubular column of drive main pincers binding clip, and through the setting of back-up tong hydro-cylinder, then make this equipment have the positive and negative directional motion of drive back-up tong and press from both sides tight coupling's beneficial effect.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: 1. a pressure torque meter; 2. a manual reversing valve; 3. a hydraulic motor; 4. back-up wrench oil cylinder.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Example 1
As shown in fig. 1, the present utility model provides a technical solution: the utility model provides a power tong hydraulic system, including pressure torque table 1, be used for showing pressure and moment of torsion, manual switching-over valve 2, set up in the left side surface of trunk line, be used for controlling the linkage of main tong motor, back-up tong hydro-cylinder 4 and make-up or break out the motion, hydraulic motor 3, set up in the front side surface of trunk line, be used for driving main tong head rotation and clamp the tubular column, back-up tong hydro-cylinder 4, connect the front side surface at the branch pipeline, be used for driving back-up tong forward and backward motion and clamp the coupling, pressure torque table 1 pipeline connection is at the right side surface of trunk line, pressure torque table 1's model is JY12, pressure torque table 1's parameter is kn.m 0-22, pressure torque table 1's table value range is 0 ~ 25MPa, manual switching-over valve 2 pipeline connection is at the left side surface of trunk line.
In the embodiment, the pressure torque meter 1 is configured, so that the device has the beneficial effects of observing the actual pressure and torque, and the device has the linkage of the main clamp motor and the back-up clamp cylinder 4 and the screwing or unscrewing movement through the arrangement of the manual reversing valve 2.
Example 2
As shown in fig. 1, on the basis of embodiment 1, the present utility model provides a power tong hydraulic system: the hydraulic motor 3 is connected to the front side surface of the main pipeline, the model of the hydraulic motor 3 is NIM6-650, the theoretical displacement of the hydraulic motor 3 is 660ml/r, the rated pressure of the hydraulic motor 3 is 16MPa, the highest pressure is 25MPa, the rated torque is 1680n.M, the unit theoretical torque is 105n.m/MPa, the maximum power is 52Kw, the highest rotating speed is 400r/min, the back-up cylinder 4 is connected to the front side surface of the sub-pipeline, the model of the back-up cylinder 4 is YDZ-120F, the maximum working flow of the back-up cylinder 4 is 120L/min, the effective volume of the back-up cylinder 4 is 700L, the maximum working pressure of the back-up cylinder 4 is 20MPa, the sub-pipeline is arranged on the right side surface of the main pipeline in a communicating way, the size of the main pipeline is GB/T3683-2011/2ST/22/25MpaXK13-022-00109, and the size of the sub-pipeline is GB/T3683-2011/1ST/32/9MpaXK 13-00102209.
In this embodiment, form the combination pincers through novel back-up tong that surges with main pincers are supporting, control the manual reversing valve 2 on the main pincers, the back-up tong is automatic synchronous clamp promptly, synchronous unclamp tubular column, the action is nimble reliable, through the setting of hydraulic motor 3 to make this equipment have the rotatory beneficial effect of clamping the tubular column of drive main pincers binding clip, and through the setting of back-up tong hydro-cylinder 4, then make this equipment have the positive and negative directional motion of drive back-up tong and the beneficial effect of clamping the coupling.
The working principle of the hydraulic system of the power tongs is as follows:
when the hydraulic power tong system is used, as shown in fig. 1, the manual reversing valve 2 is pressed down to shift into a high-speed gear, the lifting handle is used for moving the reversing valve 2 to shift into a low-speed gear, the reset knob is respectively moved to the buckling direction in the state that the main tong and the back-up tong heads are aligned with the openings, the power tong is pushed to the pipe column, and the manual reversing valve 2 is operated to enable the main tong to rotate in the buckling direction to perform buckling. After the buckling is finished, the manual reversing valve 2 is operated to enable the main pliers to rotate reversely, the pliers heads of the main pliers and the back pliers are respectively aligned with the openings, and then the power pliers are withdrawn from the pipe column. When the main pliers and the back pliers are aligned with the opening, the reset knob is moved to the shackle direction, the power pliers are pushed to the pipe column, and the manual reversing valve 2 is operated to enable the main pliers to rotate along the shackle direction to perform shackle. After the shackle is completed, the manual reversing valve 2 is operated to enable the main pliers to rotate reversely, the pliers heads of the main pliers and the back pliers are respectively aligned with the openings, and then the power pliers are withdrawn from the pipe column. Namely, one-time shackle operation is completed.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A power tong hydraulic system, comprising: a pressure-torque meter (1) for displaying pressure and torque;
the manual reversing valve (2) is arranged on the left side surface of the main pipeline and is used for controlling the linkage and the screwing-on or screwing-off movement of the main clamp motor and the back-up clamp oil cylinder;
the hydraulic motor (3) is arranged on the front side surface of the main pipeline and is used for driving the main clamp head to rotate and clamp the pipe string;
and the back-up wrench oil cylinder (4) is connected to the front side surface of the branch pipeline and is used for driving the back-up wrench to move in the forward and reverse directions and clamp the coupling.
2. A power tong hydraulic system as recited in claim 1, wherein: the pipeline of the pressure torque meter (1) is connected to the right side surface of the main pipeline, the model of the pressure torque meter (1) is JY12, the parameters of the pressure torque meter (1) are Kn.m0-22, and the range of the meter value of the pressure torque meter (1) is 0-25 MPa.
3. A power tong hydraulic system as recited in claim 1, wherein: the manual reversing valve (2) is connected to the left side surface of the main pipeline.
4. A power tong hydraulic system as recited in claim 1, wherein: the pipeline of the hydraulic motor (3) is connected to the front side surface of the main pipeline, the model of the hydraulic motor (3) is NIM6-650, the theoretical displacement of the hydraulic motor (3) is 660ml/r, the rated pressure of the hydraulic motor (3) is 16MPa, the highest pressure is 25MPa, the rated torque is 1680n.M, the unit theoretical torque is 105n.m/MPa, the maximum power is 52Kw, and the highest rotating speed is 400r/min.
5. A power tong hydraulic system as recited in claim 1, wherein: the back-up wrench oil cylinder (4) is connected to the front side surface of the branch pipeline, the model of the back-up wrench oil cylinder (4) is YDZ-120F, the maximum working flow of the back-up wrench oil cylinder (4) is 120L/min, the effective volume of the back-up wrench oil cylinder (4) is 700L, and the maximum working pressure of the back-up wrench oil cylinder (4) is 20Mpa.
6. A power tong hydraulic system as recited in claim 1, wherein: the branch pipeline is communicated with the right side surface of the main pipeline, the size of the main pipeline is GB/T3683-2011/2ST/22/25MpaXK13-022-00109, and the size of the branch pipeline is GB/T3683-2011/1ST/32/9MpaXK13-022-00109.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322434250.3U CN220748672U (en) | 2023-09-08 | 2023-09-08 | Hydraulic system of power tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322434250.3U CN220748672U (en) | 2023-09-08 | 2023-09-08 | Hydraulic system of power tongs |
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| Publication Number | Publication Date |
|---|---|
| CN220748672U true CN220748672U (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322434250.3U Active CN220748672U (en) | 2023-09-08 | 2023-09-08 | Hydraulic system of power tongs |
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| Country | Link |
|---|---|
| CN (1) | CN220748672U (en) |
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2023
- 2023-09-08 CN CN202322434250.3U patent/CN220748672U/en active Active
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