CN112935779A - Method for quickly screwing out screw - Google Patents
Method for quickly screwing out screw Download PDFInfo
- Publication number
- CN112935779A CN112935779A CN202110186247.7A CN202110186247A CN112935779A CN 112935779 A CN112935779 A CN 112935779A CN 202110186247 A CN202110186247 A CN 202110186247A CN 112935779 A CN112935779 A CN 112935779A
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- 230000005540 biological transmission Effects 0.000 claims description 16
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The invention discloses a method for quickly unscrewing a screw, which comprises the following steps: the top of the screw which is difficult to screw out is extended into a screw sleeve of the electric tool, and the inner wall of the screw sleeve is attached to the screw; starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to screw out a screw; if the screw is still difficult to be unscrewed, the main power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the main power shaft, the left and right sliding rods are pushed to slide left and right through the rotation of the cam, the top ends of the left and right oscillating rods are driven to swing left and right through the left and right sliding of the left and right sliding rods and the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right oscillating rods are driven to swing left and right through the hinging of the left and right connecting rods, so that the left and right impact blocks are driven to impact the left and right end faces of the screw sleeve, vibration is generated, the screw is driven to vibrate, and the; the screw can be continuously screwed out through continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is screwed out through the screw sleeve.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a method for quickly unscrewing a screw.
Background
In the prior art, the situation that screws are difficult to screw out is often encountered, the difficulty in screwing out the screws may be adhesion caused by long-time connection between threads, or corrosion caused by humidity of a working environment, and the like, the existing screw screwing method is difficult to screw out the screws more efficiently, so that time waste is easily caused, namely, the existing screw screwing method is difficult to deal with under the situation that various screws are difficult to screw out, and the use requirements are difficult to meet.
Disclosure of Invention
The invention aims to provide a method for quickly screwing out a screw, and aims to overcome the technical defect that an electric tool in the prior art cannot efficiently screw out a screw which is difficult to screw out.
In order to solve the problems, the invention adopts the following technical scheme:
the invention discloses a method for quickly unscrewing a screw, which comprises the following steps:
the top of the screw which is difficult to screw out is extended into a screw sleeve of the electric tool, and the inner wall of the screw sleeve is attached to the screw;
starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to screw out a screw;
if the screw is still difficult to be unscrewed, the main power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the main power shaft, the left and right sliding rods are pushed to slide left and right through the rotation of the cam, the top ends of the left and right oscillating rods are driven to swing left and right through the left and right sliding of the left and right sliding rods and the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right oscillating rods are driven to swing left and right through the hinging of the left and right connecting rods, so that the left and right impact blocks are driven to impact the left and right end faces of the screw sleeve, vibration is generated, the screw is driven to vibrate, and the;
the screw can be continuously screwed out through continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is screwed out through the screw sleeve.
According to the method for rapidly screwing out the screw, the screw sleeve is internally provided with the sleeve cavity with the downward opening, the sleeve cavity is internally provided with the annular array and communicated with the symmetrical clamping block cavities, the sleeve blocks are horizontally and slidably connected into the clamping block cavities, the sleeve springs are fixedly connected between one side end face, away from the sleeve cavity, of each sleeve block and one side wall, away from the sleeve cavity, of each clamping block cavity, and the sleeve blocks are attached to the screw under the action of the sleeve springs so that the inner wall of the screw sleeve is attached to the screw.
According to the method for quickly unscrewing the screw, the top of the screw sleeve is fixedly connected with the rotating cylinder, and the motor shaft drives the rotating cylinder to rotate when rotating, so that the screw sleeve is driven to rotate.
According to the method for quickly unscrewing the screw, the top of the rotating cylinder is fixedly connected with the connecting sleeve, and the motor shaft drives the connecting sleeve to rotate through the meshing of the lower side gear and the second gear, so that the rotating cylinder is driven to rotate.
In the above method for rapidly unscrewing the screw, the rotation of the motor shaft driving the main power shaft to rotate specifically includes: thereby start the electro-magnet and overcome clutch spring's thrust and adsorb the magnetosphere to drive gear sleeve rebound, thereby drive upside gear and first gear engagement, thereby drive the main power axle through the rotation of motor shaft and rotate this moment.
According to the method for quickly unscrewing the screw, when the motor shaft rotates, the connecting sleeve and the main power shaft are synchronously driven to rotate.
According to the method for quickly unscrewing the screw, the gear sleeve moves upwards, the upper gear is meshed with the first gear, and the lower gear is meshed with the second gear, so that the connecting sleeve and the main power shaft are synchronously driven to rotate when the motor shaft rotates.
According to the method for rapidly screwing out the screw, the main power shaft rotates and simultaneously drives the push block to reciprocate up and down, so that the semi-spherical block and the vibration block are driven to generate impact to form vibration, the vibration is transmitted to the screw through the screw sleeve, and the screw is driven to be connected and loosened.
According to the method for rapidly screwing out the screw, the pushing block moves up and down in a reciprocating mode, so that the vibration plate is pushed to move downwards to overcome the thrust of the vibration spring, the vibration spring is just tightened to a limit state when the pushing block and the pad are staggered, the vibration plate can be instantly pushed to move upwards through the thrust of the vibration spring, and the semispherical block and the vibration block are driven to impact to form vibration.
According to the method for rapidly screwing out the screw, the driving bevel gear is driven to rotate by rotation of the driving power shaft, the crank shaft is driven to rotate through key connection through intermittent meshing transmission of the driving bevel gear and the driven bevel gear, the left crank wheel and the right crank wheel are driven to rotate through rotation of the crank shaft, the left connecting shaft and the right connecting shaft are driven to rotate around the crank shaft through rotation of the left crank wheel and the right crank wheel, the left oscillating block and the right oscillating block are driven to overturn and swing, and the pushing block is driven to reciprocate up and down through hinging between the oscillating block and the pushing block.
According to the invention, when the screw is difficult to unscrew, the swing rods at the left side and the right side are pushed by the cam to push the impact blocks to impact the two sides of the screw sleeve, so that the vibration at the left side and the right side is generated at the joint of the screw, and meanwhile, the thrust of the spring is maximized through the intermittent meshing of the gears, so that the vibration at the upper side and the lower side is generated, so that the vibration in the up-and-down direction is generated at the joint of the screw, and the screw difficult to unscrew can be quickly loosened through the vibration in two.
Drawings
In order to more 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 described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the power tool of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of B of FIG. 1;
FIG. 4 is an enlarged schematic view of C in FIG. 1;
FIG. 5 is an enlarged schematic view of D of FIG. 1;
FIG. 6 is an enlarged schematic view of E-E of FIG. 5;
fig. 7 is a schematic view of the method of the present invention for rapid screw removal.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
As shown in fig. 1 to 6, the electric tool for screwing a screw includes a transmission case 11, a transmission cavity 13 is disposed in the transmission case 11, a rotary drum 12 is rotatably connected to a lower end surface of the transmission case 11, a vibration cavity 36 is disposed in the rotary drum 12, a main power shaft 14 penetrating through the rotary drum 12 and extending downward into the vibration cavity 36 is rotatably connected to an upper wall of the transmission cavity 13, a motor shaft 29 located on a right side of the main power shaft 14 is rotatably connected between the upper wall and the lower wall of the transmission cavity 13, a gear sleeve 33 is connected to an outer circumferential surface of the motor shaft 29 in a keyed manner, a main motor 27 located on the right side of the main power shaft 14 is fixedly disposed on the upper wall of the transmission cavity 13, a lower end surface of the main motor 27 is dynamically connected to an upper end surface of the motor shaft 29, an electromagnet 28 surrounding the motor shaft 29 is fixedly disposed on the upper wall of the transmission cavity 13, a magnetic ring 31 surrounding the upper end surface of the gear sleeve 33 is fixedly connected to the upper end surface of the. The outer circular surface of one side of the main power shaft 14 located in the transmission cavity 13 is rotatably connected with a connecting sleeve 35 with a lower end surface fixedly connected with the upper end surface of the rotating cylinder 12, the outer circular surface of the main power shaft 14 is communicated with a relief groove 25 which is annular and located on the upper side of the connecting sleeve 35, a first gear located on the upper side of the relief groove 25 is fixedly arranged on the outer circular surface of the main power shaft 14, a second gear is fixedly arranged on the outer circular surface of the connecting sleeve 35, an upper side gear 32 capable of being in meshing transmission with the first gear is fixedly connected with the outer circular surface of the gear sleeve 33, and a lower side gear 34 located on the lower side of the upper side gear 32 and capable of being in meshing transmission.
The left wall and the right wall of the vibration cavity 36 are fixedly connected with a fixed plate 39, the lower wall of the vibration cavity 36 is communicated with a bottom cavity 53, the lower end surface of the fixed plate 39 is fixedly connected with a support plate 40 which is bilaterally symmetrical, a crank shaft 59 which is distributed to extend to the left side and the right side of the support plate 40 at the left side and the right side is rotatably connected between the support plates 40 at the left side and the right side, the tail ends of the left side and the right side of the outer circular surface of the crank shaft 59 are fixedly connected with crank wheels 44, the end surfaces of the left side and the right side of the crank wheels 44 which are far away from each other are rotatably connected with a connecting shaft 45, the side of the left side and the right side connecting shaft 45 which are far away from each other is rotatably connected with a swinging block 46, the bottom ends of the swinging blocks 46 at the left side and the right side are hinged with, the upper end face of the vibration plate 54 is fixedly connected with a hemisphere block 55, and the top ends of the front wall and the rear wall of the bottom cavity 53 are fixedly connected with a vibration block 52.
The upper ends of the left and right walls of the vibration cavity 36 are respectively communicated with sliding cavities 38 with openings respectively facing to the left and right sides, sliding rods 15 with openings respectively facing to the left and right sides are respectively connected in the sliding cavities 38 at the left and right sides in a sliding manner, a cam 37 capable of pushing the sliding rods 15 at the left and right sides is fixedly arranged at the top end of the outer circular surface at one side of the main power shaft 14 positioned in the vibration cavity 36, one end, away from each other, of the front and rear end surfaces of the sliding rods 15 at the left and right sides is rotatably connected with a rotating shaft 16 extending backwards to the rear side of the sliding rods 15, the outer circular surface at the rear side of the sliding rods 15 at the left and right sides of the rotating shaft 16 is rotatably connected with a swing rod 17, a connecting rod 18 is hinged between one end surface, close to each other, of the swing rod 17 at the left and right sides and the end surface, the left and right fixed blocks 61 are internally provided with fixed block cavities 62 with openings close to one side, the left and right fixed block cavities 62 are connected with impact blocks 65 in a left-right sliding mode, and buffer springs 63 are fixedly connected between the end faces of one side, far away from each other, of the left and right impact blocks 65 and the side walls, far away from each other, of the left and right fixed block cavities 62.
The bottom end of the outer circular surface of the main power shaft 14 is fixedly connected with a driving bevel gear 48, the outer circular surface of the crankshaft 59 is in key connection with a driven bevel gear 49 which can be in meshing transmission with the driving bevel gear 48, the right end surface of the driven bevel gear 49 is fixedly connected with a cushion plate 50, a cushion plate cavity 51 which is through from left to right is arranged in the cushion plate 50, a spring seat 58 which is positioned on the left side of the driven bevel gear 49 is fixedly connected between the front wall and the rear wall of the vibration cavity 36, the crankshaft 59 penetrates through the spring seat 58 and is in rotating connection with the spring seat 58, the right end surface of the spring seat 58 is fixedly connected with a connecting spring. The outer circular surface of the main power shaft 14 is fixedly connected with a top block cylinder 41 positioned between the driving bevel gear 48 and the fixing plate 39, a top block cylinder cavity 42 with a downward opening is arranged in the top block cylinder 41, and the bottom end of the inner circular wall of the top block cylinder cavity 42 is fixedly connected with a top block 43 which is symmetrical left and right.
The lower end face of the rotating cylinder 12 is fixedly connected with a screw sleeve 19, a sleeve cavity 20 with a downward opening is formed in the screw sleeve 19, six symmetrical fixture block cavities 22 are arranged in the sleeve cavity 20 in an annular array and communicated, sleeve blocks 21 are horizontally and movably connected in the six fixture block cavities 22, and sleeve springs 23 are fixedly connected between one side end face, away from the sleeve cavity 20, of the six sleeve blocks 21 and one side wall, away from the sleeve cavity 20, of the six fixture block cavities 22.
Before the screw is screwed out, the electromagnet 28 and the magnetic coil 31 are in a separated state, the clutch spring 30 is in a relaxed state, the lower gear 34 and the second gear are in a meshed state, the upper gear 32 and the first gear are in a separated state, the vibration spring 56 is in a relaxed state, the buffer spring 63 is in a relaxed state, and the sleeve spring 23 is in a relaxed state. When the screw is unscrewed, as shown in fig. 7, the top of the hexagonal head screw which is difficult to unscrew extends into the sleeve cavity 20, the six sleeve blocks 21 are attached to the screw, the main motor 27 is started to drive the motor shaft 29 to rotate, at the moment, the lower side gear 34 is engaged with the second gear to drive the connecting sleeve 35 to rotate, so as to drive the rotating cylinder 12 to rotate, so as to drive the screw sleeve 19 to rotate, so as to unscrew the screw, at the moment, if the screw is still difficult to unscrew, the sleeve block 21 is driven to overcome the thrust of the sleeve spring 23 to move towards the side far away from the sleeve cavity 20, at the moment, the electromagnet 28 is started to overcome the thrust of the clutch spring 30 to adsorb the magnetic ring 31, so as to drive the gear sleeve 33 to move upwards, so as to drive the upper side gear 32 to be engaged with the first gear, at the moment, the main power shaft 14 is driven to rotate through the rotation of the main power shaft, the left and right sliding rods 15 are pushed to slide left and right by the rotation of the cam 37, the top ends of the left and right swing rods 17 are driven to swing left and right by the left and right sliding of the left and right sliding rods 15 through the rotational connection of the left and right rotating shafts 16, and the bottom ends of the left and right swing rods 17 are driven to swing left and right by the hinging of the left and right connecting rods 18, so as to drive the left and right striking blocks 65 to strike the left and right end surfaces of the screw sleeve 19, thereby generating vibration and driving the screw to vibrate, thereby driving the connection of the screw to loosen, and simultaneously driving the ejector block cylinder 41 to rotate by the rotation of the main power shaft 14, thereby pushing the backing plate 50 by the left and right ejector blocks 43 and driving the driven bevel gear 49 to overcome the intermittent meshing transmission of the thrust of the left and right connecting springs 57 and the driving bevel gear 48, and driving the, the crank shaft 59 is driven to rotate through key connection through intermittent meshing transmission of the driving bevel gear 48 and the driven bevel gear 49, the crank wheels 44 on the left side and the right side are driven to rotate through rotation of the crank shaft 59, the connecting shafts 45 on the left side and the right side are driven to rotate around the crank shaft 59 through rotation of the crank wheels 44 on the left side and the right side, so that the swinging blocks 46 on the left side and the right side are driven to overturn and swing, the pushing blocks 47 are driven to reciprocate up and down through hinging between the swinging blocks 46 and the pushing blocks 47, the vibration plate 54 is pushed to overcome the pushing force of the vibration spring 56 to move downwards, at the moment, when the top block 43 is staggered with the backing plate 50, the vibration spring 56 is just tightened to the limit state, the vibration plate 54 can be instantly pushed to move upwards through the pushing force of the vibration spring 56, so that the half ball block 55 and the vibration block 52 are driven, thereby the connection of drive screw produces not hard up, thereby can continuously twist out the screw through the continuous rotation of adapter sleeve 35 this moment, when the screw is become flexible through vibrations, can twist out the screw through six sleeve pieces 21.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A method for rapidly unscrewing a screw, the method comprising:
the top of the screw which is difficult to screw out is extended into a screw sleeve of the electric tool, and the inner wall of the screw sleeve is attached to the screw;
starting a main motor of the electric tool so as to drive a motor shaft to rotate, and driving a screw sleeve to rotate through the motor shaft so as to screw out a screw;
if the screw is still difficult to be unscrewed, the main power shaft is driven to rotate through the rotation of the motor shaft, the cam is driven to rotate through the rotation of the main power shaft, the left and right sliding rods are pushed to slide left and right through the rotation of the cam, the top ends of the left and right oscillating rods are driven to swing left and right through the left and right sliding of the left and right sliding rods and the rotation connection of the left and right rotating shafts, and meanwhile, the bottom ends of the left and right oscillating rods are driven to swing left and right through the hinging of the left and right connecting rods, so that the left and right impact blocks are driven to impact the left and right end faces of the screw sleeve, vibration is generated, the screw is driven to vibrate, and the;
the screw can be continuously screwed out through continuous rotation of the screw sleeve, and when the screw is loosened through vibration, the screw is screwed out through the screw sleeve.
2. The method for rapidly unscrewing the screw according to claim 1, wherein a sleeve cavity with a downward opening is formed in the screw sleeve, a plurality of symmetrical clamping block cavities are formed in the sleeve cavity in an annular array and are communicated with each other, a sleeve block is horizontally and slidably connected in the plurality of clamping block cavities, a sleeve spring is fixedly connected between one side end face, away from the sleeve cavity, of the plurality of sleeve blocks and one side wall, away from the sleeve cavity, of the plurality of clamping block cavities, and the sleeve block is attached to the screw under the action of the sleeve spring, so that the inner wall of the screw sleeve is attached to the screw.
3. The method for rapidly unscrewing the screw as claimed in claim 1, wherein a rotating cylinder is fixedly connected to the top of the screw sleeve, and when the motor shaft rotates, the rotating cylinder is driven to rotate, so as to drive the screw sleeve to rotate.
4. The method for rapidly unscrewing the screw as claimed in claim 3, wherein a connecting sleeve is fixedly connected to the top of the rotary cylinder, and the motor shaft drives the connecting sleeve to rotate through the engagement of the lower gear and the second gear, so as to drive the rotary cylinder to rotate.
5. The method for rapidly unscrewing the screw according to claim 4, wherein the rotating of the motor shaft drives the main power shaft to rotate specifically comprises: thereby start the electro-magnet and overcome clutch spring's thrust and adsorb the magnetosphere to drive gear sleeve rebound, thereby drive upside gear and first gear engagement, thereby drive the main power axle through the rotation of motor shaft and rotate this moment.
6. The method for rapidly unscrewing the screw as claimed in claim 5, wherein the motor shaft rotates to drive the connecting sleeve and the main power shaft to rotate synchronously.
7. The method for rapidly unscrewing the screw as claimed in claim 6, wherein the gear sleeve moves upward and is engaged with the first gear through the upper gear, and the lower gear is engaged with the second gear, so that the connecting sleeve and the main power shaft are synchronously driven to rotate when the motor shaft rotates.
8. The screw quick unscrewing device as claimed in claims 1-7, wherein the main power shaft rotates and drives the pushing block to reciprocate up and down, so as to drive the semispherical block and the vibrating block to collide with each other to form vibration, and the vibration is transmitted to the screw through the screw sleeve, so as to drive the screw to be loosened.
9. The method as claimed in claim 8, wherein the pushing block reciprocates up and down to push the vibration plate to move downward against the urging force of the vibration spring, and the vibration spring is tightened to a limit state when the top block is misaligned with the pad, so that the vibration plate can be instantaneously pushed to move upward by the urging force of the vibration spring, thereby driving the semispherical block to collide with the vibration block to generate vibration.
10. The method for rapidly unscrewing the screw as claimed in claim 8, wherein the rotation of the driving shaft drives the driving bevel gear to rotate, the intermittent meshing transmission between the driving bevel gear and the driven bevel gear drives the crank shaft to rotate through the key connection, the rotation of the crank shaft drives the left and right crank wheels to rotate, the rotation of the left and right crank wheels drives the left and right connecting shafts to rotate around the crank shaft, so as to drive the left and right oscillating blocks to oscillate upside down, and the hinge connection between the oscillating block and the pushing block drives the pushing block to reciprocate up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186247.7A CN112935779B (en) | 2021-02-17 | 2021-02-17 | Method for quickly screwing out screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110186247.7A CN112935779B (en) | 2021-02-17 | 2021-02-17 | Method for quickly screwing out screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112935779A true CN112935779A (en) | 2021-06-11 |
| CN112935779B CN112935779B (en) | 2023-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110186247.7A Active CN112935779B (en) | 2021-02-17 | 2021-02-17 | Method for quickly screwing out screw |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2414871Y (en) * | 2000-01-21 | 2001-01-17 | 邵阳市自力达工具有限责任公司 | Electric screw assembling and disassembling machine |
| JP2003220527A (en) * | 2002-01-28 | 2003-08-05 | Mitsubishi Heavy Ind Ltd | Attaching/detaching device for screw |
| CN206795700U (en) * | 2017-04-25 | 2017-12-26 | 浙江超力机械工具制造有限公司 | A kind of impact component of electric wrench |
| CN107553383A (en) * | 2017-10-15 | 2018-01-09 | 冯建娟 | Electric wrench sleeve |
| CN209665233U (en) * | 2019-03-08 | 2019-11-22 | 上海运征机电科技有限公司 | Direct current bumping electric spanner with pressing plate |
| CN112077590A (en) * | 2020-09-24 | 2020-12-15 | 青岛军平减震科技有限公司 | Rusty screw screwing device |
| CN212399403U (en) * | 2020-06-10 | 2021-01-26 | 遵义市宇堂机械制造有限公司 | Disassembling tool structure of hydraulic nut |
-
2021
- 2021-02-17 CN CN202110186247.7A patent/CN112935779B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2414871Y (en) * | 2000-01-21 | 2001-01-17 | 邵阳市自力达工具有限责任公司 | Electric screw assembling and disassembling machine |
| JP2003220527A (en) * | 2002-01-28 | 2003-08-05 | Mitsubishi Heavy Ind Ltd | Attaching/detaching device for screw |
| CN206795700U (en) * | 2017-04-25 | 2017-12-26 | 浙江超力机械工具制造有限公司 | A kind of impact component of electric wrench |
| CN107553383A (en) * | 2017-10-15 | 2018-01-09 | 冯建娟 | Electric wrench sleeve |
| CN209665233U (en) * | 2019-03-08 | 2019-11-22 | 上海运征机电科技有限公司 | Direct current bumping electric spanner with pressing plate |
| CN212399403U (en) * | 2020-06-10 | 2021-01-26 | 遵义市宇堂机械制造有限公司 | Disassembling tool structure of hydraulic nut |
| CN112077590A (en) * | 2020-09-24 | 2020-12-15 | 青岛军平减震科技有限公司 | Rusty screw screwing device |
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| Publication number | Publication date |
|---|---|
| CN112935779B (en) | 2023-12-05 |
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Effective date of registration: 20231110 Address after: No. 12 Aqia East Road, Hotan City, Hotan Prefecture, Xinjiang Uygur Autonomous Region, 848000 Applicant after: Xinjiang Tianyue Xinglong Construction and Installation Engineering Co.,Ltd. Address before: 321300 Room 403, building 2, No.15 Zili Road, Lutou village, Yongkang Economic Development Zone, Jinhua City, Zhejiang Province Applicant before: Cui Lian |
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