CN211584957U - Manual hydraulic type shearing and expanding pliers - Google Patents
Manual hydraulic type shearing and expanding pliers Download PDFInfo
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- CN211584957U CN211584957U CN201921911944.9U CN201921911944U CN211584957U CN 211584957 U CN211584957 U CN 211584957U CN 201921911944 U CN201921911944 U CN 201921911944U CN 211584957 U CN211584957 U CN 211584957U
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- 238000010008 shearing Methods 0.000 title claims description 32
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 210000000080 chela (arthropods) Anatomy 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 18
- 238000012546 transfer Methods 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 101
- 239000010720 hydraulic oil Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a manual fluid pressure type is cut and is expanded pincers belongs to rescue instrument technical field. The hydraulic cutter head cutting device comprises a shell, and a power transmission module, a hydraulic driving module and a cutter head cutting module which are arranged on the shell respectively, wherein the input end of the power transmission module is connected with a manual driving module in a rotating mode, the output end of the power transmission module is connected with the input end of the hydraulic driving module, and the output end of the hydraulic driving module is connected with the cutter head cutting module. The device passes through manual drive module input power to in proper order through power transmission module, hydraulic drive module and cut and expand the tool bit module, can utilize the hydraulic pressure principle, realize great exerting oneself with less volume, can synthesize into an instrument with cuting and expansion simultaneously, only can realize cuting or expanding through manual operation in rescue work, alone can easily accomplish, has effectively promoted the laborsaving high efficiency of rescue work.
Description
Technical Field
The utility model relates to a rescue instrument technical field, concretely relates to manual fluid pressure type is cut and is expanded pincers.
Background
At present, obstacles need to be cleaned in time aiming at rescue sites caused by disasters such as earthquakes, wherein the obstacles which have great influence on the rescue process are like steel bars in concrete, and the broken concrete blocks are difficult to clean due to the connected steel bars, so that the rescue process is influenced, and precious rescue time is wasted. The rescue clamp in the prior art has a single function, is difficult to meet the requirements of labor-saving and efficient clamp body shearing and expansion on a rescue site, and is inconvenient.
In view of the above-mentioned prior art, the applicant of the present invention has made a lot of repeated and beneficial researches, and the final product has obtained effective results and formed the technical solutions to be described below.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a manual fluid pressure type is cut and is expanded pincers to solve among the prior art because rescue pincers function singleness and lead to it to be difficult to satisfy the on-the-spot laborsaving efficient pincers body of rescue and cut the problem of expanding the demand.
In order to achieve the above object, the present invention provides the following technical solutions:
a manual hydraulic type shearing and expanding clamp comprises a shell, and a power transmission module, a hydraulic driving module and a shearing and expanding tool bit module which are arranged on the shell respectively.
The power transmission module comprises a plunger body, a reversing valve and an oil sac body, the plunger body is arranged on the casing in a sliding mode, a plunger oil cavity is formed between the plunger body and the casing, one end, far away from the casing, of the plunger body is connected with a manual driving module in a rotating mode, the oil sac body is fixedly connected to the outer wall of the casing, an oil suction valve is arranged on a communication pipeline between the oil sac body and the plunger oil cavity, the plunger oil cavity and the oil sac body are communicated with the reversing valve through pipelines respectively, and the reversing valve is communicated with the hydraulic driving module.
The hydraulic driving module comprises an oil cylinder, a piston body and an oil rod body, wherein the piston body and the oil rod body are arranged in a sliding cavity in the oil cylinder, the outer wall of the oil cylinder is fixedly connected with the shell, the piston body is arranged in the sliding cavity in the oil cylinder in a sliding mode and is in sliding fit with the oil rod body, the sliding cavity in the oil cylinder is divided into a far end cavity and a near end cavity relative to the plunger body by taking the piston body as an interval, the near end cavity relative to the plunger body is communicated with one port of the reversing valve, and the far end cavity relative to the plunger body is communicated with the other port of the reversing valve through the oil rod body.
The shearing and expanding tool bit module comprises a butterfly screw and a pin shaft, one end of the butterfly screw is in threaded connection with the output end of the piston body, a shearing and expanding sliding cavity is formed in the outer side of the output end of the piston body in the shell, the other end of the butterfly screw is rotatably connected with two connecting plates through the pin shaft, the connecting plates are respectively rotatably connected with shearing and expanding tool bits, and a positioning threaded shaft is arranged between the two shearing and expanding tool bits.
Further, the manual driving module comprises a handle rod, a sliding transfer block and a handle joint, the bottom end of the handle rod is rotatably connected with the sliding transfer block, the bottom end of the sliding transfer block is slidably arranged on the handle joint, and the handle joint is rotatably connected with one end, far away from the shell, of the plunger body.
Furthermore, a limiting shaft sleeve is sleeved between the handle joint and the handle rod.
Furthermore, a high-pressure oil discharge valve is arranged on a communication pipeline between the reversing valve and the plunger oil cavity.
Furthermore, a low-pressure oil discharge valve is arranged on a communication pipeline between the reversing valve and the oil bag body.
Furthermore, the plunger body is of a T-shaped structure, the plunger oil cavity comprises a small oil cavity used for containing the front end of the T-shaped plunger body and a large oil cavity used for containing the rear end of the T-shaped plunger body, a communicating pipeline is arranged between the large oil cavity and a pipeline where the oil suction valve is located, and a hydraulic control valve is arranged on the communicating pipeline between the large oil cavity and the pipeline where the oil suction valve is located.
Furthermore, a pressure release valve is arranged on a communication pipeline between the small oil cavity between the plunger body and the shell and the reversing valve, and a communication pipeline is arranged between the pressure release valve and the oil bag body.
Further, the switching-over valve is manual formula switching-over valve, the outer wall of casing slides and is equipped with the adjusting knob, the top of switching-over valve is equipped with the reversing bar, the reversing bar with the bottom of adjusting knob is rotated and is connected.
Furthermore, a handle frame is arranged on the casing, a welding assembly is fixedly connected to the bottom end of the handle frame, and the welding assembly is fixedly connected with the casing.
Furthermore, the handle frame is respectively provided with an LED lamp with a power supply and a lamp control switch for controlling the opening and closing of the LED lamp, and the lamp control switch is respectively and electrically connected with the LED lamp and the power supply of the LED lamp.
The utility model has the advantages of as follows:
1. the device inputs power through the manual driving module, and sequentially passes through the power transmission module, the hydraulic driving module and the shearing and expanding tool bit module, can realize larger output force with smaller volume by utilizing a hydraulic principle, and can combine shearing and expanding into one tool at the same time, the shearing or expanding can be realized only through manual operation in rescue work, one person can easily finish the operation, and the labor saving and the high efficiency of the rescue work are effectively improved;
2. the bottom of handle bar rotates and is connected with slip switching piece, and the bottom slip setting of slip switching piece is on the handle connects for slip switching piece can follow the handle and connect and slide in and pull out, and then rotates the handle bar and in order folding, can conveniently store or transport and carry, has effectively promoted the convenience.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and the structures, proportions, sizes, etc. shown in the present specification are only used to match the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and any modifications of the structures, changes of the proportion relations, or adjustments of the sizes, should still fall within the scope of the technical contents disclosed in the present invention without affecting the functions and the achievable objects of the present invention.
Fig. 1 is a schematic view of the overall external structure of an embodiment of the present invention;
fig. 2 is a schematic side sectional structural view of an embodiment of the present invention;
fig. 3 is a schematic top view of an embodiment of the present invention;
fig. 4 is a schematic view of a sectional structure of the utility model discloses bowing.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a machine shell 1, a handle frame 11, a welding assembly 12, an LED lamp 13, a lamp control switch 14, a handle rod 2, a sliding transfer block 21, a handle joint 3, a limiting shaft sleeve 31, a plunger body 4, an oil bag body 5, an oil suction valve 51, a high-pressure oil discharge valve 52, a reversing valve 6, a reversing rod 61, an adjusting button 62, a low-pressure oil discharge valve 63, an oil cylinder 7, a piston body 71, an oil rod body 72, a butterfly screw 73, a shearing and expanding cutter head 8, a positioning threaded shaft 81, a connecting plate 82, a pin shaft 83 and a hydraulic control valve 9.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-4, the embodiment of the utility model provides a manual fluid pressure type is cut and is expanded pincers, include the casing and set up manual drive module, power transmission module, hydraulic drive module, the cut tool bit module that expands on the casing respectively for will cut and expand and synthesize and become a instrument, manual operation realizes cuting or expanding in rescue work, utilizes hydraulic principle simultaneously, can realize great exerting oneself with less volume, alone can easily accomplish and cut or expand. The specific settings are as follows:
the improved tool bit module is characterized in that a handle frame 11 is arranged on the machine shell 1, the handle frame 11 is fixedly connected with the machine shell 1 through a welding assembly 12 arranged at the bottom end, an LED lamp 13 with a power supply is arranged at the front end of the handle frame 11, a lamp control switch 14 used for controlling the opening and closing of the LED lamp 13 is arranged at the rear end of the handle frame 11, the lamp control switch 14 is respectively electrically connected with the power supplies of the LED lamp 13 and used for opening the LED lamp 13 through the lamp control switch 14 according to conditions at a night rescue scene so as to illuminate a shearing and expanding area of the front-end shearing and expanding tool bit module.
The manual drive module includes handle bar 2, slip switching piece 21 and handle joint 3, the bottom of handle bar 2 is rotated and is connected with slip switching piece 21, the bottom slip setting of slip switching piece 21 connects on 3 at the handle for make slip switching piece 21 can follow and slide in 3 and pull out in the handle joint, and then rotate handle bar 2 in order folding, can conveniently store or transport and carry.
Preferably, the cover is equipped with spacing axle sleeve 31 between handle joint 3 and the handle pole 2 for show through spacing axle sleeve 31 and promote the structural stability of handle joint 3 and handle pole 2 when using, the inboard of spacing axle sleeve 31 still inlays and is equipped with the damping ring, can prevent to move up the back because of the dead weight gliding of spacing axle sleeve 31.
The power transmission module comprises a plunger body 4, an oil bag body 5, an oil suction valve 51, a high-pressure oil discharge valve 52, a reversing valve 6, a reversing rod 61, an adjusting button 62 and a low-pressure oil discharge valve 63, wherein the plunger body 4 is arranged at one end, far away from the cutting and expanding tool bit module, of the casing 1 in a sliding mode, the handle joint 3 is connected with one end, far away from the casing 1, of the plunger body 4 in a rotating mode, the plunger body 4 is of a T-shaped structure (refer to the figure 2), and the T-shaped plunger body 4 respectively generates a small oil cavity used for containing the front end of the T-shaped plunger body 4 and a large oil cavity used for containing the rear end of the T-shaped plunger body 4 when sliding with a sliding.
The oil bag body 5 rigid coupling is on the outer wall of casing 1, and is equipped with oil absorption valve 51 on the communicating pipeline between oil bag body 5 and little oil pocket and the big oil pocket for inhale oil from in the oil bag body 5, the output pipeline and the switching-over valve 6 of little oil pocket and big oil pocket are linked together, switching-over valve 6 still is linked together through the pipeline with the hydraulic drive module for control hydraulic drive module's flexible effect, be equipped with high-pressure oil drain valve 52 on the communicating pipeline between switching-over valve 6 and little oil pocket and the big oil pocket for utilize high-pressure oil drain valve 52 under equal rocking handle pole 2 power, the oil transportation is more fast more high-efficient, has improved the practicality.
The manual formula switching-over valve of tribit five-way is adopted to switching-over valve 6, and 6 rigid couplings of switching-over valve are in the inside of casing 1, adjusting button 62 slides and sets up the outer wall at casing 1, the top of switching-over valve 6 is equipped with the reversing bar 61 that is used for changing the medium flow direction, reversing bar 61 with the bottom of adjusting button 62 is rotated mutually and is connected for through the outside slide adjusting knob 62 at casing 1, can conveniently change the medium flow direction in the switching-over valve 6, and then realize shearing or the nimble of expansion function chooseing for use.
A communicating pipeline is further arranged between the reversing valve 6 and the oil bag body 5 and used for forming an oil medium flowing loop for controlling the hydraulic driving module, and a low-pressure oil drain valve 63 is arranged on the communicating pipeline between the reversing valve 6 and the oil bag body 5 and used for enabling the medium flowing back to the oil bag body 5 to be more moderate through the low-pressure oil drain valve 63.
Preferably, a communication pipeline is arranged between the large oil chamber between the plunger body 4 and the casing 1 and the pipeline where the oil suction valve 51 is located, and a hydraulic control valve 9 is arranged on the communication pipeline between the large oil chamber and the pipeline where the oil suction valve 51 is located, so that when the pressure in the large oil chamber between the plunger body 4 and the casing 1 is greater than 10MPa, the hydraulic control valve 9 with preset parameters is opened, the hydraulic oil in the large oil chamber flows back to the output pipeline of the oil bag body 5, and the hydraulic oil in the small oil chamber continues to flow to the hydraulic drive module, so as to adjust the internal oil pressure to keep relatively stable.
A pressure release valve is arranged on a small oil cavity between the plunger body 4 and the casing 1 and a communication pipeline between the reversing valve 6, a communication pipeline is arranged between the pressure release valve and the oil bag body 5, and when the pressure in the communication pipeline between the reversing valve 6 and the small oil cavity reaches 70MPa of set parameters of the pressure release valve, the pressure release valve is automatically opened to enable medium to flow back to the oil bag body 5, so that pipeline pressure release is realized, and stable transmission is kept.
The hydraulic driving module comprises an oil cylinder 7, a piston body 71 and an oil rod body 72, wherein the piston body 71 and the oil rod body 72 are arranged in a sliding cavity in the oil cylinder 7, the outer wall of the oil cylinder 7 is fixedly connected with the machine shell 1, the piston body 71 is arranged in the sliding cavity in the oil cylinder 7 in a sliding mode, the piston body 71 is in sliding fit with the oil rod body 72, the sliding cavity in the oil cylinder 7 is divided into a far end cavity and a near end cavity relative to the plunger body 4 by taking the piston body 71 as an interval, the near end cavity relative to the plunger body 4 is communicated with one port of the reversing valve 6, the far end cavity relative to the plunger body 4 is communicated with the other port of the reversing valve 6 through the oil rod body 72 and is used for inputting media into the near end cavity and the far end cavity respectively, and therefore the stretching of the oil cylinder 7.
The shearing and expanding cutter head module comprises a butterfly screw 73, a shearing and expanding cutter head 8, a positioning threaded shaft 81, a connecting plate 82 and a pin shaft 83, one end of the butterfly screw 73 is in threaded connection with the output end of the piston body 71 (refer to fig. 2 and 4), a shearing and expanding sliding cavity is arranged on the outer side of the output end of the piston body 71 in the shell 1, the other end of the butterfly screw 73 is rotatably connected with the two connecting plates 82 through the pin shaft 83, the connecting plates 82 are respectively rotatably connected with the shearing and expanding cutter head 8, the positioning threaded shaft 81 is arranged between the two shearing and expanding cutter heads 8 and used for pushing and pulling the butterfly screw 73 through the piston body 71, and the butterfly screw 73 drives the connecting plates 82 and the shearing and expanding.
The application process of the shearing and expanding pliers is as follows:
during the use, with spacing axle sleeve 31 rebound on the handle connects 3, can prevent through its inside damping ring that spacing axle sleeve 31 freely from gliding, pulling handle pole 2 and slip switching piece 21 are until pulling out in the handle connects 3, just can slide switching piece 21 and fold handle pole 2 forward as the basis, conveniently store or transport.
The adjusting button 62 is pushed to the "shear" position, that is, the reversing rod 61 is shifted to enable the flow direction of the reversing valve 6 to be the proximal cavity oil inlet and the distal cavity oil outlet, the handle rod 2 is shaken back and forth, the plunger body 4 can move along with the handle rod 2, when the handle rod 2 moves backwards, the plunger body 4 can suck oil from the oil sac body 5 through the oil suction valve 51, when the handle rod 2 moves forwards, the plunger body 4 discharges oil into the proximal cavity through the high-pressure oil discharge valve 52 and the reversing valve 6, and the hydraulic oil in the distal cavity can flow back to the oil sac body 5 through the reversing valve 6 and the low-pressure oil discharge valve 63. The plunger body 4 is pushed forward and extended along with the hydraulic power to drive the butterfly screw 73 to push forward, and the shearing and expanding tool bit 8 gradually shears.
When the pressure in the large oil cavity between the plunger body 4 and the casing 1 is greater than 10MPa, the hydraulic control valve 9 with preset parameters is opened, the hydraulic oil in the large oil cavity between the plunger body 4 and the casing 1 flows back to the output pipeline of the oil bag body 5, and the hydraulic oil in the small oil cavity continues to flow to the hydraulic drive module.
When the pressure in the communication pipeline between the reversing valve 6 and the small oil cavity reaches 70MPa of the set parameter of the pressure release valve, the pressure release valve is automatically opened to enable medium to flow back to the capsule body 5, so that the pipeline is decompressed.
The adjusting button 62 is pushed to the expanding position, that is, the reversing rod 61 is shifted to enable the flow direction of the reversing valve 6 to be that oil enters from the far-end cavity and oil exits from the near-end cavity, the operation is the same as the operation, the butterfly screw 73 is gradually retreated, the connecting plate 82 is further pulled, and the gradual expansion of the shearing and expanding cutter head 8 with the positioning threaded shaft 81 as the central shaft is achieved.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. The utility model provides a manual fluid pressure type is cut and is expanded pincers which characterized in that: the hydraulic driving device comprises a shell, and a power transmission module, a hydraulic driving module and a shearing and expanding cutter head module which are respectively arranged on the shell;
the power transmission module comprises a plunger body, a reversing valve and an oil bag body, the plunger body is arranged on the shell in a sliding mode, a plunger oil cavity is arranged between the plunger body and the shell, one end, far away from the shell, of the plunger body is connected with a manual driving module in a rotating mode, the oil bag body is fixedly connected to the outer wall of the shell, an oil suction valve is arranged on a communication pipeline between the oil bag body and the plunger oil cavity, the plunger oil cavity and the oil bag body are communicated with the reversing valve through pipelines respectively, and the reversing valve is communicated with the hydraulic driving module;
the hydraulic driving module comprises an oil cylinder, a piston body and an oil rod body, wherein the piston body and the oil rod body are arranged in a sliding cavity in the oil cylinder, the outer wall of the oil cylinder is fixedly connected with the shell, the piston body is arranged in the sliding cavity in the oil cylinder in a sliding mode and is in sliding fit with the oil rod body, the sliding cavity in the oil cylinder is divided into a far end cavity and a near end cavity relative to the plunger body by taking the piston body as an interval, the near end cavity relative to the plunger body is communicated with one port of the reversing valve, and the far end cavity relative to the plunger body is communicated with the other port of the reversing valve through the oil rod body;
the shearing and expanding tool bit module comprises a butterfly screw and a pin shaft, one end of the butterfly screw is in threaded connection with the output end of the piston body, a shearing and expanding sliding cavity is formed in the outer side of the output end of the piston body in the shell, the other end of the butterfly screw is rotatably connected with two connecting plates through the pin shaft, the connecting plates are respectively rotatably connected with shearing and expanding tool bits, and a positioning threaded shaft is arranged between the two shearing and expanding tool bits.
2. The manual hydraulic pressure type cutting and expanding pliers as claimed in claim 1, wherein the manual driving module comprises a handle rod, a sliding transfer block and a handle joint, the bottom end of the handle rod is rotatably connected with the sliding transfer block, the bottom end of the sliding transfer block is slidably arranged on the handle joint, and the handle joint is rotatably connected with one end of the plunger body, which is far away from the casing.
3. The hand hydraulic type cutting and expanding pliers as claimed in claim 2, wherein a limiting bushing is sleeved between the handle joint and the handle rod.
4. The hand hydraulic type cutting and expanding pliers as claimed in claim 1, wherein a high pressure oil discharge valve is provided on a communication pipe between the reversing valve and the plunger oil chamber.
5. The hand hydraulic type cutting and expanding pliers as claimed in claim 1, wherein a low pressure drain valve is provided on a communication pipe between the reversing valve and the oil bladder.
6. The manual hydraulic type shearing and expanding pliers as claimed in claim 1, wherein the plunger body is of a T-shaped structure, the plunger oil cavity comprises a small oil cavity for accommodating the front end of the T-shaped plunger body and a large oil cavity for accommodating the rear end of the T-shaped plunger body, a communication pipeline is arranged between the large oil cavity and a pipeline where the oil suction valve is located, and a hydraulic control valve is arranged on the communication pipeline between the large oil cavity and the pipeline where the oil suction valve is located.
7. The hand-operated hydraulic shearing and expanding pliers as claimed in claim 6, wherein a pressure relief valve is arranged on a communication pipeline between the small oil cavity between the plunger body and the casing and the reversing valve, and a communication pipeline is arranged between the pressure relief valve and the oil bag body.
8. The manual hydraulic type cutting and expanding pliers as claimed in claim 1, wherein the reversing valve is a manual reversing valve, the outer wall of the housing is slidably provided with an adjusting knob, the top end of the reversing valve is provided with a reversing rod, and the reversing rod is rotatably connected with the bottom end of the adjusting knob.
9. The hand hydraulic type cutting and expanding pliers as claimed in claim 1, wherein said housing is provided with a handle frame, a welding assembly is fixedly connected to the bottom end of said handle frame, and said welding assembly is fixedly connected to the housing.
10. The hand-operated hydraulic cutting and expanding pliers as claimed in claim 9, wherein the handle frame is respectively provided with an LED lamp with a power supply and a lamp control switch for controlling the on and off of the LED lamp, and the lamp control switch is respectively electrically connected with the power supply of the LED lamp and the power supply of the LED lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921911944.9U CN211584957U (en) | 2019-11-07 | 2019-11-07 | Manual hydraulic type shearing and expanding pliers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921911944.9U CN211584957U (en) | 2019-11-07 | 2019-11-07 | Manual hydraulic type shearing and expanding pliers |
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| Publication Number | Publication Date |
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| CN211584957U true CN211584957U (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921911944.9U Active CN211584957U (en) | 2019-11-07 | 2019-11-07 | Manual hydraulic type shearing and expanding pliers |
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| CN (1) | CN211584957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860049A (en) * | 2019-11-07 | 2020-03-06 | 北京天泽电力集团有限公司 | Manual hydraulic type shearing and expanding pliers |
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2019
- 2019-11-07 CN CN201921911944.9U patent/CN211584957U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860049A (en) * | 2019-11-07 | 2020-03-06 | 北京天泽电力集团有限公司 | Manual hydraulic type shearing and expanding pliers |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 100000 room 1801, East District, 18th floor, building 1, No. 100, Xili, Balizhuang, Chaoyang District, Beijing Patentee after: Beijing Tianze Power Group Co.,Ltd. Country or region after: China Address before: 100000 room 1801, East District, 18th floor, building 1, No. 100, Xili, Balizhuang, Chaoyang District, Beijing Patentee before: BEIJING TIANZE ELECTRIC POWER GROUP Co.,Ltd. Country or region before: China |
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