CN114654430A - Double-speed multifunctional electric hammer and using method thereof - Google Patents
Double-speed multifunctional electric hammer and using method thereof Download PDFInfo
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- CN114654430A CN114654430A CN202210222852.XA CN202210222852A CN114654430A CN 114654430 A CN114654430 A CN 114654430A CN 202210222852 A CN202210222852 A CN 202210222852A CN 114654430 A CN114654430 A CN 114654430A
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- shovel
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- electric hammer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
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Abstract
The invention discloses a double-speed multifunctional electric hammer and a using method thereof, and the double-speed multifunctional electric hammer comprises a hammering shovel, an electric hammer main body, a gear shifting plectrum, a power part and a hydraulic part, wherein the hammering shovel comprises a left hammering shovel and a right hammering shovel, a hydraulic cylinder is arranged between the left hammering shovel and the right hammering shovel, the left hammering shovel and the right hammering shovel are connected through the hydraulic cylinder to form a complete hammering shovel, the hammering shovel is arranged on the electric hammer main body in a sliding manner, the motor main body can strike the hammering shovel to enable the hammering shovel to vibrate front and back when being started, and the power part is positioned in the electric hammer main body and provides power for the electric hammer main body. The invention provides a double-speed multifunctional electric hammer and a using method thereof, wherein when the electric hammer is clamped by a wall body, a hammering shovel can be automatically opened and closed to enlarge a clamped hole, so that the hammering shovel can be easily taken out without being stopped by an operator to pry by force, the convenience of the electric hammer is improved, the practical life of the electric hammer is prolonged, and the labor efficiency of the operator is improved.
Description
Technical Field
The invention relates to the technical field of electric hammers, in particular to a double-speed multifunctional electric hammer and a using method of the electric hammer.
Background
Generally, an electric hammer selects an operation mode of striking, rotating, or both striking and rotating by rotating an operation lever, and can transmit striking and rotating simultaneously or independently from a motor to a tool provided at a tip end via a striking mechanism and a rotation driving mechanism;
in the above-described electric hammer, the selection of the operation mode is performed by a mode switching mechanism which is provided with a clutch for connecting or disconnecting the rotational force from the motor to or from the striking mechanism or the rotational driving mechanism, respectively;
but when the electric hammer strikes the operation, it is because powerful hitting power, in the easy hammering shovel nail income wall body with the front end, and hammering shovel and wall body closely fixed together this moment to make the hammering shovel dead by, make the operator hardly take off it, and easy bad with the electric hammer sled when sled gets by force.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a double-speed multifunctional electric hammer and a using method thereof.
In order to solve the technical problems, the invention is solved by the following technical scheme: a double-speed multifunctional electric hammer comprises a hammering shovel, an electric hammer main body, a gear shifting plectrum, a power part and a hydraulic part, wherein the hammering shovel comprises a left hammering shovel and a right hammering shovel, a hydraulic cylinder is arranged between the left hammering shovel and the right hammering shovel, the left hammering shovel and the right hammering shovel are connected through the hydraulic cylinder to form a complete hammering shovel, the hammering shovel is arranged on the electric hammer main body in a sliding mode, the motor main body can drive the hammering shovel to vibrate front and back when being opened, the power part is positioned in the electric hammer main body and provides power for the electric hammer main body, the hydraulic part is arranged in the electric hammer main body and comprises a piston oil cylinder, the piston oil cylinder is connected with the hydraulic cylinder through an oil pipe, the power part comprises a motor, a rotating disc and a connecting rod, the rotating disc is arranged on the motor, an air cylinder is arranged on the rotating disc, a first rotating shaft is arranged on a pneumatic rod of the air cylinder, a long slotted hole is formed in one end of the connecting rod, and the connecting rod is arranged on the first rotating shaft in a sliding mode through the long slotted hole, the other end of the connecting rod is rotatably arranged on the piston oil cylinder, and the position of the first rotating shaft on the rotating disc can be changed through the stretching of the air cylinder.
Its beneficial effect lies in, when hammering shovel card in the wall body the inside, hydraulic pressure portion can automatic oil feed for the hydraulic cylinder, makes left hammering shovel and right hammering shovel automatic distraction, props the entrance to a cave of chucking big, and it takes out of being convenient for, and struts simultaneously and recover and go on in turn, makes it can be convenient for take out from the dead entrance to a cave of card, and simultaneously when going on in turn, the degree that props big at every turn increases, is convenient for more take out from the dead entrance to a cave of card.
In the above scheme, it is preferred, piston cylinder includes cylinder body and piston rod, the piston rod slides and sets up in the cylinder body, just be provided with hydraulic oil in the cylinder body, the piston rod front end is provided with the connecting plate, is provided with the second axis of rotation on the connecting plate, the connecting rod other end rotates to be connected in the second axis of rotation, still the cover is equipped with first elastic component on the piston rod, and its both ends wind does not push up and touches on connecting plate and cylinder body.
The hydraulic cylinder has the beneficial effects that after the tension disappears, the piston rod can automatically reset, so that the hydraulic oil in the hydraulic cylinder returns to the cylinder body again.
In the above scheme, it is preferred, be provided with the multiunit pneumatic cylinder on the hammering shovel, and be provided with the oil inlet on the hammering shovel, its and multiunit pneumatic cylinder intercommunication, and with the oil outlet intercommunication on the cylinder body.
The hydraulic shovel has the beneficial effects that the left hammering shovel and the right hammering shovel can be spread in parallel.
In the above scheme, preferably, the cylinder rear still is provided with the device of inflating, and it includes the pole of inflating, second elastic component and inflates the jar, and the pole of inflating slides and sets up in inflating the jar, and the second elastic component also slides and sets up in inflating the jar, and is located the pole front end of inflating, inflate the cylinder front end and be connected with the air inlet of cylinder.
In the above scheme, it is preferred, the plectrum of shifting rotates and sets up in the electric hammer main part, and is provided with circular convex block on it, the pole tail end of inflating is convex design, and it surpasss the carousel outer wall, and when rotating, the pole of inflating can press and touch on circular convex block.
The air cylinder has the beneficial effects that the air cylinder can be inflated when the rotary disc rotates once.
In the above aspect, preferably, the first rotating shaft is located at a center position of the turntable at the initial position.
The connecting rod has the beneficial effect that when the connecting rod is not clamped, the connecting rod does not displace.
In the above scheme, preferably, the length of the slotted hole is greater than the radius of the rotating disc, and when the slotted hole is at the initial position, one end of the slotted hole is pressed against the first rotating shaft.
The use method of the double-speed multifunctional electric hammer,
and S1, mounting the hammering shovel on the electric hammer main body to enable the electric hammer main body to work normally.
And S2, pulling the electric hammer main body backwards when the hammering shovel is clamped in the wall body, and enabling the electric hammer to be in an opening state.
And S3, the hammering shovel is pressed on the pressing switch, and the turntable rotates to drive the inflating device to inflate the cylinder to enable the cylinder to extend forwards.
S4: the carousel rotates to drive the connecting rod and does the motion together, makes the piston rod impress in the pneumatic cylinder with the hydraulic oil in the cylinder body, makes left hammering shovel and right hammering shovel open each other, props the entrance to a cave that blocks greatly, later recombines, after relapseing many times, props the entrance to a cave greatly, is convenient for take out.
The invention has the beneficial effects that: the invention provides a double-speed multifunctional electric hammer and a using method thereof, wherein when the electric hammer is clamped by a wall body, a hammering shovel can be automatically opened and closed to enlarge a clamped hole, so that the hammering shovel can be easily taken out without being stopped by an operator to pry by force, the convenience of the electric hammer is improved, the practical life of the electric hammer is prolonged, and the labor efficiency of the operator is improved.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a schematic view of the internal structure of the present invention.
Fig. 3 is a sectional view showing the internal structure of the present invention.
Fig. 4 is a schematic view of a hammering shovel of the present invention.
Fig. 5 is a cross-sectional view of a hammering shovel of the present invention.
FIG. 6 is an enlarged view of a portion of the present invention.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings: with reference to figures 1-6 of the drawings,
a double-speed multifunctional electric hammer comprises a hammering shovel 1, an electric hammer main body 2, a gear shifting plectrum 3, a power part 4 and a hydraulic part 5, wherein the hammering shovel 1 comprises a left hammering shovel 11 and a right hammering shovel 12, a hydraulic cylinder 13 is further arranged on the left hammering shovel 11, a telescopic rod on the hydraulic cylinder is arranged on the right hammering shovel 12, an oil inlet 14 is further arranged on the left hammering shovel 11, the left hammering shovel 11 and the right hammering shovel 12 are combined together to form the hammering shovel 1, a plurality of groups of hydraulic cylinders 13 are arranged and are connected with the oil inlet 14, so that the left hammering shovel 11 and the right hammering shovel 12 can be opened and closed in parallel, a circular arc-shaped long groove 15 is further arranged on a mounting block at the tail end of the left hammering shovel 11 and is matched with a mounting head 21 on the electric hammer main body 2, the hammering shovel 1 can slide forwards and backwards, and a pressure contact switch is arranged at the mounting head 21 at the front end of the electric hammer main body 2, when the hammering shovel 1 slides forward, the press-touch switch can be pressed.
Wherein get into hydraulic oil back in the pneumatic cylinder 13, enable left side hammering shovel 11 and right side hammering shovel 12 parallel and open, after the hydraulic oil of inside is taken out from, both self-closing.
Hydraulic pressure portion 5 includes piston cylinder 51, and it includes cylinder body 511 and piston rod 512, piston rod 512 slides and sets up in cylinder body 511, just be provided with hydraulic oil in the cylinder body 511, and be connected through oil pipe between its and the oil inlet 14, the piston rod 512 front end is provided with connecting plate 513, is provided with second axis of rotation 514 on the connecting plate 513, still overlap on the piston rod 512 and be equipped with first elastic component 52, its both ends wind do not push up and touch on connecting plate 513 and cylinder body 511.
When the hydraulic oil is pressed into the hydraulic cylinder 13, the left hammering shovel 11 and the right hammering shovel 12 are separated in parallel, when the pulling force disappears, the piston rod 512 returns to the initial state under the action of the first elastic element 52, so that the hydraulic oil returns to the cylinder body 511 to enable the left hammering shovel 11 and the right hammering shovel 12 to be combined again.
The gear shifting plectrum 3 is rotatably arranged on the electric hammer main body 2, the gear shifting plectrum 3 is provided with a round convex block 31, when the electric hammer needs to perform striking operation, the gear shifting plectrum 3 is shifted to a striking gear, a switch is pressed, the electric hammer main body 2 enables the hammering shovel 1 to vibrate back and forth, the power part 4 and the hydraulic part 5 are both arranged inside the electric hammer main body 2, the power part 4 comprises a motor 41, a turntable 42, a connecting rod 44 and an inflating device 45, the turntable 42 is arranged on the motor 41, the turntable 42 is provided with an air cylinder 43, a pneumatic rod 431 of the air cylinder 43 is provided with a first rotating shaft 432, one end of the connecting rod 44 is provided with a long slotted hole 441, the connecting rod 44 is slidably arranged on the first rotating shaft 432 through the long slotted hole 441, the other end of the connecting rod 44 is rotatably connected on a second rotating shaft 514, the inflating device 45 is arranged behind the air cylinder 43, also arranged on the turntable 42, which comprises an inflating rod 451, a second elastic member 452 and an inflating cylinder 453, wherein the inflating rod 451 is arranged in the inflating cylinder 453 in a sliding way, the second elastic member 452 is also arranged in the inflating cylinder 453 in a sliding way, and both ends thereof are respectively abutted against the front end of the inflating rod 451 and the front end of the inner wall of the inflating cylinder 453, the front end of the inflating cylinder 453 is communicated with the inside of the cylinder 43, a one-way air inlet valve is arranged on the channel, an air inlet hole 454 is also arranged at the front end of the air cylinder 453, a one-way air inlet valve is also arranged on the air inlet hole 454 of the air cylinder, a third elastic element 433 is also arranged in the air cylinder 43 in a sliding way, the two ends of the pneumatic rod are respectively pressed against the piston surface of the pneumatic rod 431 and the front end wall of the inner hole of the cylinder 43, the cylinder 43 is also provided with an air outlet 434, and an electromagnetic air outlet valve is arranged on the air outlet hole 434 and is controlled by a pressure contact switch on the mounting head 21.
After the shifting plectrum 3 is shifted to the striking gear, the round convex block 31 on the shifting plectrum faces the rotary table 42, the electric hammer is aligned to the wall surface to be worked at the moment, the hammering shovel 1 is supported and contacted on the wall surface, the hand is held on the electric hammer main body 2, so that the hammering shovel 1 slides backwards relative to the electric hammer main body 2, and normal hammering operation is started, at the moment, the motor 41 rotates to drive the rotary table 42 to rotate, the air inflating rod 451 on the air inflating device 45 on the hammering shovel rotates to press and contact the round convex block 31 for one time when the rotary table 42 does not rotate for one circle, so that air is pumped into the air cylinder 43, and at the moment, the hammering shovel 1 does not press and contact the press and contact switch, therefore, the electromagnetic air outlet valve is in an opening state, so that the pressed air can all run out from the electromagnetic air outlet valve, the pneumatic rod 431 does not move, and the position of the first rotating shaft 432 does not move or is in the center position of the rotary table 42.
When the hammering shovel 1 is stuck, a person holds the electric hammer body 2 to pull the electric hammer body 2 backwards, so that when the hammering shovel 1 slides forwards relative to the electric hammer body 2, the pressing contact is carried out on the pressing contact switch, the electromagnetic air outlet valve is controlled to be closed, the air pumping device 45 pumps air into the air cylinder 43, the air pumping rod 431 slides forwards a little bit each time the rotary table 42 rotates, the first rotary shaft 432 moves to the periphery of the rotary table 42 a little bit, after the first rotary shaft 432 moves out of the circle center, the rotary table 42 rotates every time the rotary table 42 rotates, when the rotary table moves backwards relative to the hydraulic part 5, the connecting plate 513 is driven to slide backwards together under the action of the connecting rod 44, so that the piston rod 512 slides backwards, hydraulic oil is pressed into the hydraulic cylinder 13, the left hammering shovel 11 and the right hammering shovel 12 are separated in parallel, and a large hole is blocked, when the first rotary shaft 432 moves forwards relative to the hydraulic part 5, the piston rod 512 slides forwards under the action of the first elastic element 52, so that the hydraulic oil returns to the cylinder 511, the left hammering shovel 11 and the right hammering shovel 12 are combined, the shape of the left hammering shovel is reduced, and each time the rotary table 42 rotates for one circle, the first rotating shaft 432 slides a little away from the circle center, so that the distance of the connecting rod 44 pulling the piston rod 512 is increased, the hydraulic oil pressed into the hydraulic cylinder 13 is increased, the distance of the left hammering shovel 11 and the right hammering shovel 12 is increased, and the opening of the hole is increased later, so that the larger the hole is opened later, and the hammering shovel 1 can be easily taken out from the inside.
The working principle or the using method is as follows:
after the gear shifting plectrum 3 is shifted to the striking gear, the round convex block 31 on it faces the rotary table 42, at this moment, aim at the wall that needs work with the electric hammer, the hammering shovel 1 is pushed against and touches on the wall, and the staff holds on the electric hammer main part 2, make the hammering shovel 1 slide backward with the electric hammer main part 2 relatively, thus start normal hammering operation, motor 41 rotates at this moment and drives rotary table 42 to rotate, the air-inflating rod 451 on the air-inflating device 45 on it does not rotate the round and presses and touches round convex block 31 once at rotary table 42, thus throw in the air into cylinder 43, and hammering shovel 1 does not press and touch on the press-touch switch at this moment, therefore the electromagnetic air outlet valve is in the open condition at this moment, thus make the air that is impressed all run out from the electromagnetic air outlet valve, therefore pneumatic rod 431 does not move, make first rotation axis 432 not move, still is in the central point of rotary table 42.
When the hammering shovel 1 is stuck, a person holds the electric hammer body 2 to pull the electric hammer body 2 backwards, so that when the hammering shovel 1 slides forwards relative to the electric hammer body 2, the pressing contact is carried out on the pressing contact switch, the electromagnetic air outlet valve is controlled to be closed, the air pumping device 45 pumps air into the air cylinder 43, the air pumping rod 431 slides forwards a little bit each time the rotary table 42 rotates, the first rotary shaft 432 moves to the periphery of the rotary table 42 a little bit, after the first rotary shaft 432 moves out of the circle center, the rotary table 42 rotates every time the rotary table 42 rotates, when the rotary table moves backwards relative to the hydraulic part 5, the connecting plate 513 is driven to slide backwards together under the action of the connecting rod 44, so that the piston rod 512 slides backwards, hydraulic oil is pressed into the hydraulic cylinder 13, the left hammering shovel 11 and the right hammering shovel 12 are separated in parallel, and a large hole is blocked, when the first rotary shaft 432 moves forwards relative to the hydraulic part 5, the piston rod 512 slides forwards under the action of the first elastic element 52, so that the hydraulic oil returns to the cylinder 511, the left hammering shovel 11 and the right hammering shovel 12 are combined, the shape of the left hammering shovel is reduced, and each time the rotary table 42 rotates for one circle, the first rotating shaft 432 slides a little away from the circle center, so that the distance of the connecting rod 44 pulling the piston rod 512 is increased, the hydraulic oil pressed into the hydraulic cylinder 13 is increased, the distance of the left hammering shovel 11 and the right hammering shovel 12 is increased, and the opening of the hole is increased later, so that the larger the hole is opened later, and the hammering shovel 1 can be easily taken out from the inside.
The above examples are only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. The double-speed multifunctional electric hammer is characterized in that: including hammering shovel (1), electric hammer main part (2), plectrum (3), power portion (4) and hydraulic pressure portion (5) of shifting, hammering shovel (1) is including left hammering shovel (11) and right hammering shovel (12), is provided with pneumatic cylinder (13) between the two, and connects through pneumatic cylinder (13) and form complete hammering shovel (1), hammering shovel (1) slides and sets up on electric hammer main part (2), motor main part (2) can hit hammering shovel (1) when opening and make its vibrations from beginning to end, power portion (4) are located electric hammer main part (2), and it provides power for electric hammer main part (2), hydraulic pressure portion (5) set up in electric hammer main part (2), and it includes piston cylinder (51), be connected through oil pipe between piston cylinder (51) and pneumatic cylinder (13), power portion (4) include motor (41), Carousel (42) and connecting rod (44), carousel (42) set up on motor (41), be provided with cylinder (43) on carousel (42), and be provided with first axis of rotation (432) on pneumatic rod (431) of cylinder (43), long slotted hole (441) have been seted up to connecting rod (44) one end, and connecting rod (44) slide through long slotted hole (441) and set up on first axis of rotation (432), and the other end of connecting rod (44) rotates and sets up on piston cylinder (51), and can change the position that first axis of rotation (432) are located carousel (42) through cylinder (43) is flexible.
2. The multi-functional electric hammer of two speed of claim 1, characterized by: piston cylinder (51) include cylinder body (511) and piston rod (512), piston rod (512) slide to set up in cylinder body (511), just be provided with hydraulic oil in cylinder body (511), piston rod (512) front end is provided with connecting plate (513), is provided with second axis of rotation (514) on connecting plate (513), connecting rod (44) other end rotates to be connected on second axis of rotation (514), still the cover is equipped with first elastic component (52) on piston rod (512), and its both ends wind does not push up and touches on connecting plate (513) and cylinder body (511).
3. The multi-functional electric hammer of two speed of claim 2, characterized by: be provided with multiunit pneumatic cylinder (13) on hammering shovel (1), and be provided with oil inlet (14) on hammering shovel (1), it communicates with multiunit pneumatic cylinder (13), and communicates with the oil outlet on cylinder body (511).
4. The multi-functional electric hammer of two speed of claim 1, characterized by: an inflating device (45) is further arranged behind the air cylinder (43) and comprises an inflating rod (451), a second elastic piece (452) and an inflating cylinder (453), the inflating rod (451) is arranged in the inflating cylinder (453) in a sliding mode, the second elastic piece (452) is also arranged in the inflating cylinder (453) in a sliding mode and located at the front end of the inflating rod (451), and the front end of the inflating cylinder (453) is connected with an air inlet of the air cylinder (43).
5. The multi-functional electric hammer of two speed of claim 4, characterized by: the gear shifting plectrum (3) is rotatably arranged on the electric hammer main body (2) and is provided with a circular bump (31), the tail end of the inflating rod (451) is in a circular arc shape and exceeds the outer wall of the rotary table (42), and when the rotary table (42) rotates, the inflating rod (451) can be pressed on the circular bump (31).
6. The multi-functional electric hammer of two speed of claim 1, characterized by: the first rotating shaft (432) is located at the center of the rotating disc (42) in the initial position.
7. The multi-functional electric hammer of two speed of claim 1, characterized by: the length of the long slotted hole (441) is larger than the radius of the rotating disc (42), and one end of the long slotted hole (441) is pressed against the first rotating shaft (432) in the initial position.
8. The use method of the double-speed multifunctional electric hammer is characterized in that:
s1, mounting the hammering shovel (1) on the electric hammer main body (2) to enable the electric hammer main body to work normally;
s2, when the hammering shovel (1) is clamped in the wall body, the electric hammer main body (2) is pulled backwards, and meanwhile, the electric hammer is in an opening state;
s3, the hammering shovel (1) is pressed on the pressing switch, the turntable (42) rotates to drive the inflating device (45) to inflate the air cylinder (43) and enable the air cylinder to extend forwards;
s4: the rotary table (42) rotates to drive the connecting rod (44) to move together, hydraulic oil in the cylinder body (511) is pressed into the hydraulic cylinder (13) by the piston rod (512), the left hammering shovel (11) and the right hammering shovel (12) are mutually jacked open to enlarge the blocked hole, and then the hole is combined again and enlarged after repeated multiple times, so that the hole is convenient to take out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222852.XA CN114654430B (en) | 2022-03-09 | 2022-03-09 | Double-speed multifunctional electric hammer and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210222852.XA CN114654430B (en) | 2022-03-09 | 2022-03-09 | Double-speed multifunctional electric hammer and use method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN114654430A true CN114654430A (en) | 2022-06-24 |
| CN114654430B CN114654430B (en) | 2023-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210222852.XA Active CN114654430B (en) | 2022-03-09 | 2022-03-09 | Double-speed multifunctional electric hammer and use method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426918A1 (en) * | 1989-11-09 | 1991-05-15 | Louis N. Giannuzzi | Automatic setting tool for masonry anchors |
| WO2011149197A2 (en) * | 2010-05-26 | 2011-12-01 | (주)이엔피엔지니어링 | Variable excavation hammer for expanding the leading end of a pile |
| US20130118766A1 (en) * | 2011-02-05 | 2013-05-16 | Apuren Co., Ltd. | Air hammer tool, and method of adjusting impact force of the air hammer tool |
| US20130161050A1 (en) * | 2010-12-29 | 2013-06-27 | Christopher Pedicini | Electric motor driven tool for orthopedic impacting |
| CN109622849A (en) * | 2018-12-28 | 2019-04-16 | 山东泰和能源股份有限公司 | A kind of shaft forgings blind hole is radially swaged forging and radial swaging apparatus |
| CN113857873A (en) * | 2021-09-29 | 2021-12-31 | 浙江铂动工贸有限公司 | Plate stamping equipment suitable for multi-piece type wheel hub |
-
2022
- 2022-03-09 CN CN202210222852.XA patent/CN114654430B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426918A1 (en) * | 1989-11-09 | 1991-05-15 | Louis N. Giannuzzi | Automatic setting tool for masonry anchors |
| WO2011149197A2 (en) * | 2010-05-26 | 2011-12-01 | (주)이엔피엔지니어링 | Variable excavation hammer for expanding the leading end of a pile |
| US20130161050A1 (en) * | 2010-12-29 | 2013-06-27 | Christopher Pedicini | Electric motor driven tool for orthopedic impacting |
| US20130118766A1 (en) * | 2011-02-05 | 2013-05-16 | Apuren Co., Ltd. | Air hammer tool, and method of adjusting impact force of the air hammer tool |
| CN109622849A (en) * | 2018-12-28 | 2019-04-16 | 山东泰和能源股份有限公司 | A kind of shaft forgings blind hole is radially swaged forging and radial swaging apparatus |
| CN113857873A (en) * | 2021-09-29 | 2021-12-31 | 浙江铂动工贸有限公司 | Plate stamping equipment suitable for multi-piece type wheel hub |
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| CN114654430B (en) | 2023-05-19 |
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