CN220783566U - Small-size electronic hydraulic pipe tongs - Google Patents
Small-size electronic hydraulic pipe tongs Download PDFInfo
- Publication number
- CN220783566U CN220783566U CN202322613020.3U CN202322613020U CN220783566U CN 220783566 U CN220783566 U CN 220783566U CN 202322613020 U CN202322613020 U CN 202322613020U CN 220783566 U CN220783566 U CN 220783566U
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- China
- Prior art keywords
- fixed
- pump body
- cam box
- motor
- cam
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
- 235000012771 pancakes Nutrition 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 27
- 239000010720 hydraulic oil Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of pipe tongs, and particularly discloses a small-sized electric hydraulic pipe tongs, which comprises a pump body, wherein a cam box is fixed at one end of the pump body, an inserting arm is fixed at the other end of the pump body, a jaw die is fixed at one end of the inserting arm, which is far away from the pump body, through a bolt, a motor is fixed at one end, which is far away from the pump body, of the cam box, a speed reducer is fixed on the side wall of the cam box, the motor is in transmission connection with the cam box through the speed reducer, the cam box is in transmission connection with the pump body, an oil crusty pancake is fixed on the outer wall of one end, which is close to the cam box, of the pump body, and an oil cylinder is formed inside the pump body. The beneficial effects are that: the motor and the speed reducer are arranged in parallel and fixed, so that the internal size can be greatly reduced, and the motor and the speed reducer are convenient to carry and operate in a narrow space; the plunger and the piston are in the same direction, so that vibration generated by the cam during reciprocating motion can be eliminated; a differential pressure valve is arranged to control the advance and the retreat of the piston, and the use is simple and convenient.
Description
Technical Field
The utility model relates to the technical field of pipe tongs, in particular to a small-sized electric hydraulic pipe tongs.
Background
Along with the improvement of living standard of people, the health of drinking water is more and more concerned, the traditional PPR pipeline is gradually replaced by a metal pipeline, the thin-wall stainless steel pipe is connected with the copper pipe, and a hydraulic tool is generally used for extruding and deforming the pipeline, so that the sealing effect is achieved
The prior art scheme, hand-held type hydraulic tool has been popular, but is limited by the size of inside hydraulic system, current hand-held type hydraulic tool, generally places cam structure in hydro-cylinder side, leads to holistic volume and weight great, when needs high altitude construction and narrow and small space operation, especially to piping connection, current hand-held type hydraulic tool exists not enoughly in the ease of use.
Disclosure of Invention
The utility model aims to solve the problems and provides a small-sized electro-hydraulic pipe wrench.
The technical scheme of the utility model is realized as follows:
the utility model provides a small-size electronic hydraulic pipe wrench, includes the pump body, pump body one end is fixed with the cam box, the pump body other end is fixed with the arm of inserting, the arm of inserting is kept away from the one end of pump body is fixed with the mould of keeping silent through the bolt, the cam box is kept away from the one end of pump body is fixed with the motor, be fixed with the reduction gear on the cam box lateral wall, the motor passes through the reduction gear with cam box transmission is connected, the cam box with pump body transmission is connected, the pump body is close to be fixed with the oil crusty pancake on the one end outer wall of cam box, the inside shaping of pump body has the hydro-cylinder, the hydro-cylinder is close to the one end of arm of inserting is fixed with the differential pressure disk seat, differential pressure disk seat below is installed the differential pressure valve needle, the hydro-cylinder is close to the inside slidable mounting of one end of cam box has the plunger, the oil crusty pancake is through oil feed check valve and play oily check valve and hydro-cylinder intercommunication, the inside being provided with slidable mounting is fixed with the sealing washer in the piston and the cylinder inner wall contact department, the outside the piston nestification has the spring, the piston is kept away from the one end of the pump body is fixed with the pin roll through two clamp needle roller, two positions are fixed with the pressure regulating valve needle roller.
Further, the motor and the speed reducer are fixedly installed side by side.
Further, a driving wheel is fixed on a power output shaft of the motor, a driven wheel is fixed on a power input shaft of the speed reducer, and the driving wheel is connected with the driven wheel through a belt in a transmission manner.
Further, a power output shaft of the motor is connected with a power input shaft of the speed reducer through gear transmission.
Further, a planetary gear is fixed in the speed reducer, a cam is arranged in the cam box, one end of the planetary gear is meshed with a power input shaft provided with the driven wheel for transmission, a power shaft provided with the cam is fixed at the other end of the planetary gear, and the plunger is in transmission connection with the cam.
By adopting the technical scheme, the utility model has the beneficial effects that: the motor and the speed reducer are arranged in parallel and fixed, so that the internal size can be greatly reduced, and the motor and the speed reducer are convenient to carry and operate in a narrow space; the plunger and the piston are in the same direction, so that vibration generated by the cam during reciprocating motion can be eliminated; a differential pressure valve is arranged to control the advance and the retreat of the piston, and the use is simple and convenient.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a front view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is an enlarged view of a portion of the present utility model.
The reference numerals are explained as follows:
1. a motor; 11. a driving wheel; 12. a belt; 2. a speed reducer; 21. driven wheel; 22. a planetary gear; 3. a cam box; 31. a cam; 4. an oil crusty pancake; 5. a pump body; 51. a plunger; 52. a differential pressure valve needle; 53. a differential pressure valve seat; 6. an arm; 61. a piston; 62. a roller; 7. a plug pin; 8. jaw die; 9. a pressure release lever; 10. a pressure regulating valve needle.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-3, a small-sized electric hydraulic pipe wrench comprises a pump body 5, a cam box 3 is fixed at one end of the pump body 5, an inserting arm 6 is fixed at the other end of the pump body 5, a jaw die 8 is fixed at one end of the inserting arm 6 far away from the pump body 5 through a bolt 7, a motor 1 is fixed at one end of the cam box 3 far away from the pump body 5, a speed reducer 2 is fixed on the side wall of the cam box 3, the motor 1 is in transmission connection with the cam box 3 through the speed reducer 2, the cam box 3 is in transmission connection with the pump body 5, an oil crusty pancake 4 is fixed on the outer wall of one end of the pump body 5 near the cam box 3 and is used for storing hydraulic oil, an oil cylinder is formed inside the pump body 5, a differential pressure valve seat 53 is fixed at one end of the oil cylinder near the inserting arm 6, a differential pressure valve needle 52 is installed below the differential pressure valve seat 53, a plunger 51 is slidingly installed inside one end of the oil cylinder near the cam box 3, the oil crusty pancake 4 is communicated with the oil cylinder through an oil inlet check valve and an oil outlet check valve, the inside of the inserting arm 6 is provided with a piston 61 which is arranged in the oil cylinder in a sliding way, a sealing ring is fixed at the contact part of the piston 61 and the inner wall of the oil cylinder, a spring is nested outside the piston 61, one end of the piston 61 far away from the pump body 5 is fixed with two idler wheels 62 through a pin roll, the idler wheels 62 correspond to the positions of two clamp arms of the jaw die 8, the middle part of the pump body 5 is fixed with a pressure regulating valve needle 10, the outer end part of the pressure regulating valve needle 10 is fixed with a pressure release rod 9, the inside of the pressure difference valve seat 53 is provided with a passage communicated with the pressure regulating valve needle 10, the pressure regulating valve needle 10 is communicated with the oil crusty pancake 4, the inside of the speed reducer 2 is fixed with a planetary gear 22 which can convert the high rotating speed of a motor into high torque force, the inside of the cam box 3 is provided with a cam 31, one end of the planetary gear 22 is meshed and driven by a power input shaft provided with the driven wheel 21, the other end of the planetary gear 22 is fixed with a power shaft provided with the cam 31, the plunger 51 is connected with the cam 31 in a transmission way, the motor 1 can drive the cam 31 to rotate so as to drive the plunger 51 to reciprocate, the plunger 51 pumps hydraulic oil in the naan 4 into the oil cylinder to push the piston 61 to move, and the piston 61 drives the roller 62 to approach the clamp arm of the jaw die 8 and pushes the clamp arm to rotate so as to drive the jaw clamping pipeline to plastically deform.
In this embodiment, the motor 1 and the speed reducer 2 are fixedly mounted side by side for further downsizing.
In this embodiment, a driving wheel 11 is fixed on a power output shaft of the motor 1, a driven wheel 21 is fixed on a power input shaft of the speed reducer 2, the driving wheel 11 is in transmission connection with the driven wheel 21 through a belt 12, and the power output of the motor 1 is realized by utilizing belt transmission.
Embodiment two:
the content of this embodiment is substantially the same as that of the first embodiment, except that:
in this embodiment, the power output shaft of the motor 1 is connected with the power input shaft of the speed reducer 2 through gear transmission, and the output of the motor power is realized by utilizing the gear transmission.
The working principle of the utility model is as follows: when the hydraulic oil pressure regulating valve is used, after the motor 1 is started, the cam 31 can be driven to rotate, the plunger 51 is driven to reciprocate in the oil cylinder when the cam 31 rotates, hydraulic oil in the oil crusty pancake 4 can be continuously discharged to the oil cylinder through the oil inlet one-way valve and the oil outlet one-way valve, at the moment, the hydraulic oil can flow unidirectionally along a channel in the oil cylinder, as the piston 61 is provided with the spring, the hydraulic oil can push the differential pressure valve needle 52 to move towards the differential pressure valve seat 53 in the oil cylinder, the differential pressure valve seat 53 is connected with the oil cylinder and the oil crusty pancake 4, when the differential pressure valve needle 52 is closed under the action of the hydraulic oil, an oil way of oil return can be cut off, at the moment, the hydraulic oil can push the piston 61 to move, the roller 62 is driven to move towards the jaw die 8 to drive the jaw die 8 to work when the piston 61 moves, finally, the pipeline is molded to a required size, after the pressure at the piston 61 reaches a preset pressure, the internal pressure of the system is released, the differential pressure 52 can be separated from the differential pressure valve seat 53, the differential pressure valve needle can return to the differential pressure valve seat 53 through the internal air island flow of the hydraulic oil in the differential pressure valve seat 53, and the hydraulic oil returns to the crusty pancake 4 under the action of the spring.
The components not described in detail herein are prior art.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a small-size electronic hydraulic pipe tongs, includes pump body (5), pump body (5) one end is fixed with cam box (3), the pump body (5) other end is fixed with inserts arm (6), insert arm (6) keep away from the one end of pump body (5) is fixed with through bolt (7) and keeps silent mould (8), its characterized in that: the cam box (3) is far away from one end of the pump body (5) and is fixedly provided with a motor (1), a speed reducer (2) is fixed on the side wall of the cam box (3), the motor (1) is in transmission connection with the cam box (3) through the speed reducer (2), the cam box (3) is in transmission connection with the pump body (5), the pump body (5) is close to one end outer wall of the cam box (3) and is fixedly provided with an oil crusta (4), an oil cylinder is formed in the pump body (5), one end of the oil cylinder, which is close to the inserting arm (6), is fixedly provided with a differential pressure valve seat (53), a differential pressure valve needle (52) is arranged below the differential pressure valve seat (53), one end of the oil cylinder, which is close to the cam box (3), is internally provided with a plunger (51) in a sliding manner through an oil inlet check valve and an oil outlet check valve, the inside of the oil cylinder is provided with a piston (61) in a sliding manner, the piston (61) is fixedly provided with a piston (61) in contact with the inner wall of the oil cylinder, one end of the piston is fixedly provided with a sealing ring (62) corresponding to one end of the two pressure regulating valve (5), two ends of the piston pliers (10) are fixedly provided with a corresponding rolling pin rolls (62), the outer end part of the pressure regulating valve needle (10) is fixed with a pressure releasing rod (9).
2. A small electro-hydraulic pipe wrench as claimed in claim 1, wherein: the motor (1) and the speed reducer (2) are fixedly installed side by side.
3. A small electro-hydraulic pipe wrench as claimed in claim 2, wherein: a driving wheel (11) is fixed on a power output shaft of the motor (1), a driven wheel (21) is fixed on a power input shaft of the speed reducer (2), and the driving wheel (11) is in transmission connection with the driven wheel (21) through a belt (12).
4. A small electro-hydraulic pipe wrench as claimed in claim 2, wherein: the power output shaft of the motor (1) is connected with the power input shaft of the speed reducer (2) through gear transmission.
5. A small electro-hydraulic pipe wrench as claimed in claim 3, wherein: planetary gear (22) are fixed inside reduction gear (2), cam (31) are arranged inside cam box (3), planetary gear (22) one end and the installation are driven wheel (21) power input shaft meshing transmission, planetary gear (22) other end is fixed with the installation power shaft of cam (31), plunger (51) with cam (31) transmission connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613020.3U CN220783566U (en) | 2023-09-26 | 2023-09-26 | Small-size electronic hydraulic pipe tongs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322613020.3U CN220783566U (en) | 2023-09-26 | 2023-09-26 | Small-size electronic hydraulic pipe tongs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220783566U true CN220783566U (en) | 2024-04-16 |
Family
ID=90636231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322613020.3U Active CN220783566U (en) | 2023-09-26 | 2023-09-26 | Small-size electronic hydraulic pipe tongs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220783566U (en) |
-
2023
- 2023-09-26 CN CN202322613020.3U patent/CN220783566U/en active Active
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