CN211304565U - Integrated electric hydraulic push-pull tool - Google Patents
Integrated electric hydraulic push-pull tool Download PDFInfo
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- CN211304565U CN211304565U CN201921984995.4U CN201921984995U CN211304565U CN 211304565 U CN211304565 U CN 211304565U CN 201921984995 U CN201921984995 U CN 201921984995U CN 211304565 U CN211304565 U CN 211304565U
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Abstract
The utility model discloses an electronic hydraulic pressure push-and-pull instrument of integral type, include: the push-pull system comprises a push-pull hook and a fixing assembly, wherein the push-pull hook is provided with a push part and a pull part positioned on the opposite side of the push part; the hydraulic system comprises a hydraulic cylinder and an oil pump, wherein a rear cavity wall is arranged at one end of the hydraulic cylinder close to the oil pump, a front cavity wall is arranged at one end of the hydraulic cylinder far away from the oil pump, and at least one hole for oil inlet or oil outlet is formed in the rear cavity wall; the motor is connected with one end, far away from the hydraulic cylinder, of the oil pump. The electric hydraulic push-pull tool of the utility model is integrated, simple in structure, small in volume and convenient in use; the oil way is more reasonable in arrangement, the safety is ensured, and the upper limit of the oil pressure of the hydraulic cylinder is improved; the direction of the oil circuit can be changed, so that the direction of the force can be changed, and the push-pull hook can realize the push action and the pull action in the working state; the ball is used for expanding the plug so as to achieve better sealing property.
Description
Technical Field
The utility model relates to a push-and-pull tools technical field especially relates to an electronic hydraulic pressure push-and-pull instrument of integral type.
Background
The steel bars are important components of concrete construction in engineering construction, and the quality of buildings and most of infrastructure is determined by scientific laying and using of the steel bars. The shape change of the steel bars plays a crucial role in the engineering quality. With the arrival of the industrial age, how to efficiently, reliably, energy-saving and environmentally-friendly bend and straighten the steel bars as the top beam column in the building material plays an important role in the effective implementation of the building concrete structure.
At present, bending and straightening equipment of reinforcing steel bars is manual and electric, manual reinforcing steel bar processing equipment is heavy, low in efficiency and high in labor cost, electric reinforcing steel bar processing equipment is single in working mode, bending of a single shape can only be completed, and most hydraulic processing equipment is in one-way oil circulation. In addition, the existing hydraulic processing equipment generally has the problems of large working noise, short service life, large volume, heavy weight and the like.
The existing processing equipment of the shaped reinforcing steel bar for buildings with Chinese patent publication No. CN109570394A comprises a base substrate, a plurality of supporting legs are fixedly welded above the base substrate, an upper base plate is fixedly welded at the upper end of the supporting leg, a vertical plate is fixedly welded at the rear side of the upper surface of the upper base plate, a horizontal groove block is fixedly welded at the front side of the vertical plate, a notch is arranged in front of the horizontal groove block, and a horizontal distance-adjusting telescopic rod is arranged inside the horizontal groove block, one end of the horizontal distance-adjusting telescopic rod is fixedly welded with a vertical groove block, a vertical downward pressing adjusting rod is arranged at the front side of the vertical groove block, a cutting machine is fixedly welded at the lower end of the vertical downward pressing adjusting rod, and the upper surface of the upper substrate on the right side of the cutting machine is fixedly welded with a rectangular block, the middle part of the rectangular block is provided with a motor groove, and a motor sliding rail is arranged below the motor groove. The utility model discloses a processing equipment of shaped reinforcement for building can carry out the bending in batches to the reinforcing bar fast, has effectively improved machining efficiency. Although the steel processing equipment can be used for batch processing and has high efficiency, the use is not flexible enough, the equipment is heavy, and the equipment cost is high.
SUMMERY OF THE UTILITY MODEL
Not enough to the above of prior art, the utility model aims to solve the technical problem that a electronic hydraulic pressure push-and-pull instrument of integral type for billet processing equipment work noise is big among the solution prior art, short-lived, bulky and comparatively heavy problem.
The utility model provides a technical scheme that its technical problem adopted is an electronic hydraulic pressure push-and-pull instrument of integral type, include:
the push-pull system comprises a push-pull hook and a fixing assembly, wherein the push-pull hook is provided with a push part and a pull part positioned on the opposite side of the push part;
the hydraulic system comprises a hydraulic cylinder and an oil pump, the hydraulic cylinder comprises a push rod, a piston and an oil guide rod, one end of the push rod penetrates through the hydraulic cylinder to be connected with the push-pull hook, the piston is sleeved on the push rod and is in elastic pressure fit with the inner wall of the hydraulic cylinder, an oil guide cavity is arranged on one side of the push rod, which is far away from the push-pull hook, one end of the oil guide rod is inserted into the oil guide cavity, the other end of the oil guide rod penetrates through the hydraulic cylinder to be connected with the oil pump, and the oil guide rod is hollow and;
one end of the hydraulic cylinder, which is close to the oil pump, is provided with a rear cavity wall, one end of the hydraulic cylinder, which is far away from the oil pump, is provided with a front cavity wall, and the rear cavity wall is provided with at least one hole for oil inlet or outlet;
the motor is connected with one end, far away from the hydraulic cylinder, of the oil pump, and the controller is connected with the motor and controls the output power of the motor.
Preferably, the fixing assembly comprises a circular fixing ring, two pulley rods and a reinforcing rod;
the fixing ring is fixedly connected with one end of the hydraulic cylinder, which is far away from the oil pump, one ends of the two pulley bars are fixedly connected with the fixing ring, and the other ends of the two pulley bars are fixedly connected with the reinforcing rod;
and a pulley is arranged at the joint of the reinforcing rod and the two pulley rods respectively.
Preferably, the pushing part is provided with a pushing surface, and the pushing surface is an arc surface; the pulling part is provided with a pulling surface, and the pulling surface is an arc surface.
Preferably, a sealing ring for preventing oil leakage is arranged at the joint of the front cavity wall and the push rod.
Preferably, a groove is formed in the joint of the oil guide rod and the rear cavity wall, a stop head is arranged at the joint of the rear cavity wall and the rear cavity wall, and the stop head is inserted into the groove.
Preferably, a safety valve is arranged in the hydraulic cylinder, and when the oil pressure in the hydraulic cylinder reaches a set value, the safety valve is opened; and when the oil pressure in the hydraulic cylinder is reduced to a safety value, the safety valve is closed.
Preferably, the oil pump is provided with a plurality of oil sealing ports, a ball expansion plug is arranged in the oil sealing ports, a cylinder is arranged outside the ball expansion plug, a steel ball is arranged in the cylinder, the steel ball is in interference fit with the cylinder, and a plurality of annular grooves are formed in the outer wall of the cylinder.
Preferably, a knob type regulating valve for regulating the direction of the oil path is arranged on the outer side of the oil pump, and the regulating valve is provided with a valve core, a core sleeve and a plurality of oil holes.
Preferably, the hydraulic cylinder further comprises a first handle and a second handle, wherein the first handle is in a U-shaped pipe shape and is arranged on one side, close to the hydraulic cylinder, of the fixed assembly;
the second handle is U-shaped, and one end of the second handle is connected with the oil pump, and the other end of the second handle is connected with the motor.
Compared with the prior art, the utility model discloses following beneficial effect has at least:
the electric hydraulic push-pull tool is integrated, simple in structure, small in size and convenient to use;
oil inlet and outlet in the hydraulic cylinder are realized through the guide rod and the oil hole, the oil does not need to pass through the side wall of the hydraulic cylinder, the oil way is more reasonably arranged, the safety is ensured, and the upper limit of the oil pressure of the hydraulic cylinder is improved;
the direction of the oil path can be changed, so that the direction of the force can be changed, and the push-pull hook can realize the push action and the pull action in the working state;
fourthly, the plug is expanded by using the ball, so that better sealing performance is achieved;
compared with the traditional gear shifting type switch, the hemispherical hydraulic valve is more convenient to operate and high in control precision.
Drawings
FIG. 1 is a schematic view of the overall structure of the embodiment;
FIG. 2 is a schematic view of a hydraulic cylinder in the embodiment;
FIG. 3 is a schematic view of an oil pump in the embodiment;
FIG. 4 is a schematic structural diagram of the ball-expansion plug in the embodiment;
100-push-pull system; 110-push the hook; 111-a pull; 111 a-pulling surface; 112-a pushing part; 112 a-a push face; 120-a stationary component; 121-a pulley; 122-a reinforcing rod; 123-pulley lever; 124-a fixing ring;
200-a hydraulic system; 210-a hydraulic cylinder; 211-a push rod; 211 a-oil guide chamber; 212-a piston; 213-oil guide rod; 214-anterior chamber wall; 215-posterior chamber wall; 216-sealing ring; 220-an oil pump; 221-ball expansion plug; 221 a-steel ball; 221 b-cylinder; 221 c-annular groove;
300-a motor;
400-regulating valve;
500-a first handle;
600-second handle.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
Referring to fig. 1-4, the utility model discloses an integral type electric hydraulic push-pull tool, including:
the push-pull system 100 comprises a push-pull hook 110 and a fixing component 120, wherein the push-pull hook 110 is provided with a pushing part 112 and a pulling part 111 positioned on the opposite side of the pushing part 112;
the hydraulic system 200 comprises a hydraulic cylinder 210 and an oil pump 220, wherein the hydraulic cylinder 210 comprises a push rod 211, a piston 212 and an oil guide rod 213, one end of the push rod 211 penetrates through the hydraulic cylinder 210 to be connected with the push-pull hook 110, the piston 212 is sleeved on the push rod 211 and is in elastic pressure fit with the inner wall of the hydraulic cylinder 210, one side, away from the push-pull hook 110, of the push rod 211 is provided with an oil guide cavity 211a, one end of the oil guide rod 213 is inserted into the oil guide cavity 211a, the other end of the oil guide rod penetrates through the hydraulic cylinder 210 to be connected with the oil pump 220, and the oil guide rod 213 is hollow and is in;
one end of the hydraulic cylinder 210 close to the oil pump 220 is provided with a rear cavity wall 215, one end of the hydraulic cylinder 210 far away from the oil pump 220 is provided with a front cavity wall 214, and the rear cavity wall 215 is provided with at least one hole for oil inlet or oil outlet;
the motor 300 is connected to a controller (not shown), the motor 300 is connected to an end of the oil pump 220 away from the hydraulic cylinder 210, and the controller is connected to the motor 300 and controls the output power of the motor 300.
The fixing component 120 is matched with the push-pull hook 110 to fix steel, and the motor 300 acts on the hydraulic cylinder 210 system to provide pulling force or pushing force to the push-pull hook 110, so that the purpose of deforming the steel is achieved; the oil guide rod 213 sends oil to one end of a front cavity wall 214 of the hydraulic cylinder 210, the front cavity generates oil pressure to push the piston 212 to move towards one end of a rear cavity wall 215, the piston 212 drives the push rod 211 to move, the push rod 211 pulls the push pull hook 110 to deform steel, and meanwhile oil at one end of the rear cavity wall 215 flows out through a hole of the rear cavity wall 215; if the push-pull hook 110 needs to generate thrust, only the flowing direction of the oil path needs to be changed, at this time, oil enters one end of the rear cavity wall 215 through the hole of the rear cavity wall 215 to generate oil pressure, and the oil at one end of the front cavity wall 214 flows back through the oil guide rod 213. The oil pump mainly comprises a power oil pressure port, a main power oil duct, a forward execution oil duct, a reverse oil return channel and a forward oil return channel.
The motor 300 of the present embodiment uses the brushless dc motor 300, so that the overall volume of the power source is reduced and the service life is longer.
The fixing assembly 120 comprises a circular fixing ring 124, two pulley rods 123 and a reinforcing rod 122;
the fixing ring 124 is fixedly connected with one end of the hydraulic cylinder 210 far away from the oil pump 220, one ends of the two pulley levers 123 are fixedly connected with the fixing ring 124, and the other ends of the two pulley levers 123 are fixedly connected with the reinforcing rod 122; the joints of the reinforcing rod 122 and the two pulley rods 123 are respectively provided with a pulley 121.
The two pulley bars 123 and the fixing ring can be hinged, so that the distance between every two pulley bars 123 far away from the end of the fixing ring 124 can be adjusted by rotating the pulley bars 123, and the angle of the steel material bent or straightened by the device can be adjusted.
The pushing part 112 has a pushing surface 112a, and the pushing surface 112a is a cambered surface; the pulling portion 111 has a pulling surface 111a, and the pulling surface 111a is a curved surface. The pushing portion 112 pushes the deformation of the steel material, and the pulling portion 111 pulls the deformation of the steel material.
A sealing ring 216 for preventing oil leakage is arranged at the joint of the front cavity wall 214 and the push rod 211.
A groove is formed at the joint of the oil guide rod 213 and the rear cavity wall 215, a stop head is arranged at the joint of the rear cavity wall 215 and the rear cavity wall 215, and the stop head is inserted into the groove.
The purpose of the stop head and the groove is to prevent the oil guide rod 213 from falling off due to too high oil pressure during oil transportation.
A safety valve is arranged in the hydraulic cylinder 210, and when the oil pressure in the hydraulic cylinder 210 reaches a set value, the safety valve is opened; when the oil pressure in the hydraulic cylinder 210 decreases to a relief value, the relief valve closes. The safety valve can be set to two values, one is the maximum value, and the other is the safety value, and when reaching the maximum value, the safety valve automatically opens for pressure relief, and when reaching the safety value, the safety valve automatically closes.
The oil pump 220 is provided with a plurality of oil sealing ports, a ball expansion plug 221 is arranged in the plurality of oil sealing ports, a cylinder 221b is arranged outside the ball expansion plug 221, a steel ball 221a is arranged in the cylinder 221b, the steel ball 221a is in interference fit with the cylinder 221b, and a plurality of annular grooves 221c are formed in the outer wall of the cylinder 221 b. The steel ball 221a and the cylinder 221b are in interference fit, and an annular groove 221c is formed in the area, corresponding to the outer wall of the cylinder 221b, of the position where the steel ball 221a is matched with the cylinder 221b, so that the sealing performance is enhanced, and the problem of oil leakage in the past is solved.
The outer side of the oil pump 220 is provided with a knob type regulating valve 400 for regulating the direction of an oil path, and the regulating valve is provided with a valve core, a core sleeve and a plurality of oil holes.
The adjusting valve 400 is specifically used for adjusting the direction of an oil path, and is embodied in that the pushing and pulling hook 110 acts as a pulling action and vice versa as a pushing action, the oil hole is communicated with a forward execution oil path and a forward oil return path in the oil pump 220 or communicated with a reverse execution oil path and a reverse oil return path in the oil pump 220, and the adjusting valve 400 is rotated to change the connection of oil path passages and is embodied in that the pushing and pulling actions are converted on the pushing and pulling hook 110; a spring, which performs the reset function of the regulator valve 400, and a stop pin, which prevents the regulator valve 400 from rotating excessively to damage the spring and other components, may also be added to the regulator valve 400. The valve core and the core sleeve are a pair of precise coupling parts, the valve core and the core sleeve are in a sliding fit relationship, the core sleeve is arranged on a corresponding hole position of the regulating valve 400, and the hole positions of the core sleeve and the regulating valve 400 are in interference fit.
The hydraulic cylinder fixing device further comprises a first handle 500 and a second handle 600, wherein the first handle 500 is in a U-shaped pipe shape and is arranged on one side, close to the hydraulic cylinder 210, of the fixing component 120;
the second handle 600 is U-shaped, one end of the second handle 600 is connected to the oil pump 220, and the other end is connected to the motor 300.
In the embodiment, the electric hydraulic push-pull tool is integrated, can be carried by hands to work, and also embodies the advantages of compact and simple structure and flexible design of the scheme, namely small overall volume, convenient carrying and suitability for various use environments.
In general terms: the electric hydraulic push-pull tool is integrated, simple in structure, small in size and convenient to use; the oil inlet and outlet in the hydraulic cylinder are realized through the guide rod and the oil hole, and do not need to pass through the side wall of the hydraulic cylinder, so that the oil way is more reasonably arranged, the safety is ensured, and the upper limit of the oil pressure of the hydraulic cylinder is improved; the direction of the oil circuit can be changed, so that the direction of the force can be changed, and the push-pull hook can realize the push action and the pull action in the working state; the ball is used for expanding the plug so as to achieve better sealing property; compared with the traditional gear shifting type switch, the hemispherical hydraulic valve is more convenient to operate and high in control precision.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. An integral electro-hydraulic push-pull tool, comprising:
the push-pull system comprises a push-pull hook and a fixing assembly, wherein the push-pull hook is provided with a push part and a pull part positioned on the opposite side of the push part;
the hydraulic system comprises a hydraulic cylinder and an oil pump, the hydraulic cylinder comprises a push rod, a piston and an oil guide rod, one end of the push rod penetrates through the hydraulic cylinder to be connected with the push-pull hook, the piston is sleeved on the push rod and is in elastic pressure fit with the inner wall of the hydraulic cylinder, an oil guide cavity is arranged on one side of the push rod, which is far away from the push-pull hook, one end of the oil guide rod is inserted into the oil guide cavity, the other end of the oil guide rod penetrates through the hydraulic cylinder to be connected with the oil pump, and the oil guide rod is hollow and;
one end of the hydraulic cylinder, which is close to the oil pump, is provided with a rear cavity wall, one end of the hydraulic cylinder, which is far away from the oil pump, is provided with a front cavity wall, and the rear cavity wall is provided with at least one hole for oil inlet or outlet;
the motor is connected with one end, far away from the hydraulic cylinder, of the oil pump, and the controller is connected with the motor and controls the output power of the motor.
2. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the fixing component comprises a circular fixing ring, two pulley rods and a reinforcing rod;
the fixing ring is fixedly connected with one end of the hydraulic cylinder, which is far away from the oil pump, one ends of the two pulley bars are fixedly connected with the fixing ring, and the other ends of the two pulley bars are fixedly connected with the reinforcing rod;
and a pulley is arranged at the joint of the reinforcing rod and the two pulley rods respectively.
3. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the pushing part is provided with a pushing surface, and the pushing surface is an arc surface;
the pulling part is provided with a pulling surface, and the pulling surface is an arc surface.
4. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
and a sealing ring for preventing oil leakage is arranged at the joint of the front cavity wall and the push rod.
5. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the connecting part of the oil guide rod and the rear cavity wall is provided with a groove, the connecting part of the rear cavity wall and the rear cavity wall is provided with a stop head, and the stop head is inserted into the groove.
6. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
a safety valve is arranged in the hydraulic cylinder, and when the oil pressure in the hydraulic cylinder reaches a set value, the safety valve is opened; and when the oil pressure in the hydraulic cylinder is reduced to a safety value, the safety valve is closed.
7. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the oil pump is provided with a plurality of oil sealing ports, a ball expansion plug is arranged in the oil sealing ports, a cylinder is arranged outside the ball expansion plug, a steel ball is arranged in the cylinder and is in interference fit with the cylinder, and a plurality of annular grooves are formed in the outer wall of the cylinder.
8. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the outer side of the oil pump is provided with a knob type adjusting valve for adjusting the direction of an oil path, and the adjusting valve is provided with a valve core, a core sleeve and a plurality of oil holes.
9. An integrated electro-hydraulic push-pull tool as claimed in claim 1, wherein:
the hydraulic cylinder is characterized by further comprising a first handle and a second handle, wherein the first handle is in a U-shaped pipe shape and is arranged on one side, close to the hydraulic cylinder, of the fixed assembly;
the second handle is U-shaped, and one end of the second handle is connected with the oil pump, and the other end of the second handle is connected with the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921984995.4U CN211304565U (en) | 2019-11-15 | 2019-11-15 | Integrated electric hydraulic push-pull tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921984995.4U CN211304565U (en) | 2019-11-15 | 2019-11-15 | Integrated electric hydraulic push-pull tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211304565U true CN211304565U (en) | 2020-08-21 |
Family
ID=72059697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921984995.4U Active CN211304565U (en) | 2019-11-15 | 2019-11-15 | Integrated electric hydraulic push-pull tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211304565U (en) |
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2019
- 2019-11-15 CN CN201921984995.4U patent/CN211304565U/en active Active
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