CN112659036A - Electric wrench driven by servo motor - Google Patents

Electric wrench driven by servo motor Download PDF

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Publication number
CN112659036A
CN112659036A CN202110036303.9A CN202110036303A CN112659036A CN 112659036 A CN112659036 A CN 112659036A CN 202110036303 A CN202110036303 A CN 202110036303A CN 112659036 A CN112659036 A CN 112659036A
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CN
China
Prior art keywords
motor
belt pulley
gear
rotating shaft
shaft
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110036303.9A
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Chinese (zh)
Inventor
孙博
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Lilaibei Trading Co ltd
Original Assignee
Nanjing Lilaibei Trading Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Lilaibei Trading Co ltd filed Critical Nanjing Lilaibei Trading Co ltd
Priority to CN202110036303.9A priority Critical patent/CN112659036A/en
Publication of CN112659036A publication Critical patent/CN112659036A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an electric wrench driven by a servo motor, which comprises a shell, wherein a power cavity and a working cavity are arranged in the shell, a bolt screwing mechanism is arranged in the power cavity, a baffle plate is fixedly arranged between the upper end and the lower end of the working cavity, and a threaded rod is arranged between the baffle plate and the working cavity in a rotating manner.

Description

Electric wrench driven by servo motor
Technical Field
The invention relates to the related field of servo motors, in particular to an electric wrench driven by a servo motor.
Background
As is well known, a wrench is a common mounting and dismounting tool, which is a hand tool for tightening an opening or a trepanning fastener of a bolt or a nut by utilizing a lever principle, a screw, the nut and other threads, a common wrench is generally fixed in size and can only screw the nut or the bolt with a single size, an universal wrench needs to manually adjust the size of the screw to control the wrench, and the wrench is also inconvenient.
Disclosure of Invention
The object of the present invention is to provide an electric wrench driven by a servomotor, which overcomes the above-mentioned drawbacks of the prior art.
The invention is realized by the following technical scheme. The invention discloses an electric wrench driven by a servo motor, which comprises a shell, wherein a power cavity and a working cavity are arranged in the shell;
the power cavity is internally provided with a bolt screwing mechanism, a baffle plate is fixedly arranged between the upper end and the lower end of the working cavity, a threaded rod is rotatably arranged between language sections of the baffle plate, the right end of the threaded rod is fixedly provided with a first bevel gear, a first slide block is arranged on the threaded rod in a sliding manner, the internal thread of the first slide block can be meshed with the external thread on the threaded rod, the left end of the baffle plate is fixedly provided with a guide rod penetrating through the first slide block, the first slide block is connected with the guide rod in a sliding manner, a limiting plate is fixedly arranged between the front end and the rear end of the working cavity, the upper end of the first slide block is provided with a limiting rod in a sliding manner, a first fixing plate is fixedly arranged between the left end wall and the right end wall of the inner cavity of the first slide block, a second spring is connected between the, a torsion spring shaft is rotatably arranged between the front end and the rear end of the inner cavity of the first sliding block, the brake block can lock the torsion spring shaft, two first fixed blocks which are symmetrical front and back are hinged on the torsion spring shaft, threaded rod clamps which are symmetrical left and right are respectively hinged on the front and rear two first fixed blocks, a third spring is connected between the left and right threaded rod clamps, a push rod is slidably arranged between the left end and the right end of the baffle plate, a fourth rotating shaft is rotatably arranged at the front end of the power cavity, a fourth bevel gear and a disc are sequentially and fixedly arranged on the fourth rotating shaft from front to back, a first connecting rod is hinged between the disc and the push rod, a second rotating shaft, a fifth rotating shaft and a third rotating shaft are sequentially and rotatably arranged at the upper end of the power cavity from left to right, a sixth belt pulley and a third bevel gear are sequentially and fixedly arranged on the third rotating shaft from top to bottom, and the third bevel gear can be meshed with, a first belt pulley and a second bevel gear are fixedly arranged on the second rotating shaft from top to bottom in sequence, the second bevel gear can be meshed with the first bevel gear, a second belt pulley and a third belt pulley are fixedly arranged on the fifth rotating shaft from top to bottom in sequence, a belt is connected between the second belt pulley and the first belt pulley, a second fixed block is fixedly arranged between the front end and the rear end of the power cavity, a sixth rotating shaft is rotatably arranged at the upper end of the second fixed block, a fourth belt pulley and a fifth belt pulley are fixedly arranged on the sixth rotating shaft from top to bottom in sequence, a belt is connected between the fifth belt pulley and the sixth belt pulley, a third hydraulic rod and a second motor are fixedly arranged at the upper end of the power cavity from left to right in sequence, a second motor shaft is rotatably arranged at the lower end of the second motor, and a motor belt pulley is fixedly arranged at the lower end of the second motor shaft, the motor belt is connected between the fourth belt pulley and the motor belt pulley, and the third hydraulic rod can control the motor belt to move up and down so that the motor belt pulley is connected with the fourth belt pulley or connected with the third belt pulley.
Preferably, the upper end of the working cavity is fixedly provided with a guide plate which penetrates through the upper end of the shell, the front end of the guide plate is provided with a guide chute, a bolt chain box is arranged below the shell, two clamping shafts which are symmetrical left and right are fixedly arranged at the left end and the right end of the bolt chain box, the buckle shaft is hinged with a buckle, a first spring is connected between the buckle and the outer wall of the bolt chain box on the corresponding side, the groove on the first spring can be clamped on the bulge at the lower end of the shell, a rolled bolt chain is arranged in the bolt chain box, the rear end of the bolt chain can slide in the guide sliding groove, a plurality of nuts are sleeved in a leather sheath at the rear end of the bolt chain, the power cavity end wall is rotatably provided with a first rotating shaft, the first rotating shaft is fixedly provided with a second gear and a first gear from left to right, and the first gear can be meshed with the front side of the bolt chain.
Preferably, a first motor is fixedly arranged at the lower end of the power cavity, a first motor shaft is rotatably arranged between the left end and the right end of the first motor, a fourth gear is fixedly arranged at the left end of the first motor shaft, a third gear is fixedly arranged at the right end of the first motor shaft, a first hydraulic rod is fixedly arranged at the upper end of the first motor, the first hydraulic rod can drive the first motor shaft to move left and right, and the third gear can be meshed with the second gear.
Preferably, a fixing frame is fixedly arranged between the upper end wall and the lower end wall of the power cavity, a rotating disc is arranged in the fixing frame in a rotating mode, second hydraulic rods are fixedly arranged on the left end wall and the right end wall of the rotating disc respectively, a clamping rod is fixedly arranged at one end, close to the circle center, of each second hydraulic rod, a gear ring is fixedly arranged at the rear end of the rotating disc, and the gear ring can be meshed with the fourth gear.
Preferably, the lower end of the shell is fixedly provided with a control handle, and the control handle is provided with a plurality of control buttons and knobs.
The invention has the beneficial effects that: the automatic screw tightening device is simple in structure and convenient to operate, the device can automatically extract the threaded bolts in the screw chain into the device to complete filling, the filled threaded bolts are driven to rotate to complete automatic operation, the servo motor serves as driving force, the torque and the number of turns during screw tightening can be adjusted through the control mechanism on the handle, after the threaded bolts on the threaded bolts are extracted, the empty threaded bolts can penetrate out of the device upwards, and the new threaded bolts can be refilled after being recovered.
Drawings
In order to more clearly illustrate the embodiments of the 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, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
FIG. 3 is a schematic diagram of B-B of FIG. 1;
fig. 4 is an enlarged schematic view of the structure C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The electric wrench driven by the servo motor described in conjunction with the attached fig. 1-4 comprises a housing 10, the housing 10 includes a power chamber 11 and a working chamber 30, the power chamber 11 is provided with an upper bolt mechanism 85, the working chamber 30 is provided with a bolt screwing mechanism 80, a baffle 13 is fixedly arranged between the upper end and the lower end of the working chamber 30, the baffle 13 is provided with a threaded rod 31 between the upper end and the lower end, the right end of the threaded rod 31 is fixedly provided with a first bevel gear 37, the threaded rod 31 is provided with a first slider 33 in a sliding manner, the inner thread of the first slider 33 can be engaged with the outer thread on the threaded rod 31, the left end of the baffle 13 is fixedly provided with a guide rod 69 passing through the first slider 33, the first slider 33 is connected with the guide rod 69 in a sliding manner, a limit plate 32 is fixedly arranged between the front end and the rear end of the working chamber 30, the upper end of the first slider, a first fixing plate 50 is fixedly arranged between the left end wall and the right end wall of the inner cavity of the first slider 33, a second spring 49 is connected between the first fixing plate 50 and the limiting rod 48, a brake block 51 is fixedly arranged at the lower end of the limiting rod 48, a torsion spring shaft 52 is rotatably arranged between the front end and the rear end of the inner cavity of the first slider 33, the brake block 51 can lock the torsion spring shaft 52, two first fixing blocks 53 which are symmetrical front and rear are hinged on the torsion spring shaft 52, threaded rod clamps 55 which are symmetrical left and right are hinged on the front fixing blocks 53 and are symmetrical rear and front and rear, a third spring 54 is connected between the left threaded rod clamp 55 and the right threaded rod clamp 55, a push rod 36 is arranged between the left end and the right end of the baffle 13 in a sliding manner, a fourth rotating shaft 43 is arranged at the front end of the power cavity 11 in a rotating manner, a fourth bevel gear 42 and a disc 44 are fixedly arranged on the fourth rotating shaft 43 from front to, the upper end of the power cavity 11 is sequentially provided with a second rotating shaft 39, a fifth rotating shaft 59 and a third rotating shaft 40 from left to right in a rotating mode, a sixth belt pulley 66 and a third bevel gear 41 are sequentially and fixedly arranged on the third rotating shaft 40 from top to bottom, the third bevel gear 41 can be meshed with the fourth bevel gear 42, a first belt pulley 56 and a second bevel gear 38 are sequentially and fixedly arranged on the second rotating shaft 39 from top to bottom, the second bevel gear 38 can be meshed with the first bevel gear 37, a second belt pulley 58 and a third belt pulley 60 are sequentially and fixedly arranged on the fifth rotating shaft 59 from top to bottom, a belt is connected between the second belt pulley 58 and the first belt pulley 56, a second fixing block 57 is fixedly arranged between the front end and the rear end of the power cavity 11, a sixth rotating shaft 63 is rotatably arranged at the upper end of the second fixing block 57, and a fourth belt pulley 61 and a third belt pulley 60 are sequentially and fixedly arranged on the sixth rotating shaft 63 from top to bottom, Fifth belt pulley 64, fifth belt pulley 64 with it is equipped with the belt to connect between the sixth belt pulley 66, power chamber 11 upper end from left to right is fixed in proper order and is equipped with third hydraulic stem 62, second motor 68 lower extreme rotates and is equipped with second motor shaft 67, the fixed motor belt pulley 65 that is equipped with of second motor shaft 67 lower extreme, fourth belt pulley 61 with it is equipped with motor belt 70 to connect between the motor belt pulley 65, third hydraulic stem 62 can control motor belt 70 reciprocates and makes motor belt pulley 65 with fourth belt pulley 61 connect or with third belt pulley 60 is connected.
Advantageously, a guide plate 34 penetrating through the upper end of the housing 10 is fixedly arranged at the upper end of the working chamber 30, a guide sliding groove 35 is arranged at the front end of the guide plate 34, a bolt chain box 17 is arranged below the housing 10, two clamping shafts 16 which are bilaterally symmetrical are fixedly arranged at the left and right ends of the bolt chain box 17, a buckle 14 is hinged on the clamping shaft 16, a first spring 15 is connected between the buckle 14 and the outer wall of the bolt chain box 17 at the corresponding side, a groove on the first spring 15 can be clamped on a bulge at the lower end of the housing 10, a rolled bolt chain 18 is arranged in the bolt chain box 17, the rear end of the bolt chain 18 can slide in the guide sliding groove 35, a plurality of nuts are sleeved in a leather sleeve at the rear end of the bolt chain 18, a first rotating shaft 21 is rotatably arranged on the end wall of the power chamber 11, and a second gear 20 is sequentially fixedly arranged on the first rotating shaft 21 from left to right, A first gear 19, said first gear 19 being capable of meshing with the front side of said bolt chain 18.
Beneficially, a first motor 23 is fixedly arranged at the lower end of the power cavity 11, a first motor shaft 25 is rotatably arranged between the left end and the right end of the first motor 23, a fourth gear 26 is fixedly arranged at the left end of the first motor shaft 25, a third gear 22 is fixedly arranged at the right end of the first motor shaft 25, a first hydraulic rod 24 is fixedly arranged at the upper end of the first motor 23, the first hydraulic rod 24 can drive the first motor shaft 25 to move left and right, and the third gear 22 can be meshed with the second gear 20.
Beneficially, a fixed frame 27 is fixedly arranged between the upper end wall and the lower end wall of the power cavity 11, a rotating disc 29 is rotatably arranged in the fixed frame 27, second hydraulic rods 46 are fixedly arranged on the left end wall and the right end wall of the rotating disc 29 respectively, a clamping rod 47 is fixedly arranged at one end, close to the circle center, of each second hydraulic rod 46, a gear ring 28 is fixedly arranged at the rear end of the rotating disc 29, and the gear ring 28 can be meshed with the fourth gear 26.
Advantageously, a control handle 12 is fixedly arranged at the lower end of the housing 10, and a plurality of control buttons and knobs are arranged on the control handle 12.
The use steps herein are described in detail below with reference to fig. 1-4:
in an initial state, the third gear 22 is meshed with the second gear 20, the fourth gear 26 is separated from the gear ring 28, the limiting rod 48 drives the brake block 51 to lock the torsion spring shaft 52 under the action of the limiting plate 32, the second spring 49 is in a compressed state, the motor belt 70 is connected with the fourth belt pulley 61 and the motor belt pulley 65, and the first slider 33 is located at the rightmost end.
The device can automatically equip bolts and utilize a servo motor, the preset torque and the preset number of turns are adjusted through a knob on a control handle 12, when the bolts are automatically equipped, a first motor 23 is started to drive a first motor shaft 25 to rotate, the first motor shaft 25 rotates to drive a third gear 22 to rotate, the third gear 22 rotates to drive a second gear 20 to rotate, the second gear 20 rotates to drive a first rotating shaft 21 to rotate, the first rotating shaft 21 rotates to drive a first gear 19 to rotate, the first gear 19 rotates to drive a bolt chain 18 to move upwards, the bolt chain 18 moves upwards to drive a bolt on the bolt chain 18 to move upwards, the bolt moves upwards to the left end of a push rod 36, a second motor 68 is started to drive a second motor shaft 67 to rotate, the second motor shaft 67 rotates to drive a motor belt pulley 65 to rotate, the motor belt pulley 65 rotates to drive a motor belt 70 to rotate, the motor belt 70 rotates to drive a fourth belt pulley 61 to rotate, the fourth belt pulley 61 rotates to drive the sixth rotating shaft 63 to rotate, the sixth rotating shaft 63 rotates to drive the fifth belt pulley 64 to rotate, the fifth belt pulley 64 rotates to drive the sixth belt pulley 66 to rotate through a belt, the sixth belt pulley 66 rotates to drive the third rotating shaft 40 to rotate, the third rotating shaft 40 rotates to drive the third bevel gear 41 to rotate, the third bevel gear 41 rotates to drive the fourth bevel gear 42 to rotate, the fourth bevel gear 42 rotates to drive the fourth rotating shaft 43 to rotate, the fourth rotating shaft 43 rotates to drive the disc 44 to rotate, the disc 44 rotates to drive the first connecting rod 45 to rotate, the first connecting rod 45 rotates to drive the push rod 36 to move left and right, the push rod 36 moves left to push the bolt to move left to separate from a leather sheath on the bolt chain 18, the bolt moves left to enable a threaded end of the left end of the bolt to be inserted between the left and right threaded rod clamps 55, and the left and right threaded rod clamps 55 clamp.
The third hydraulic rod 62 is shortened to drive the motor belt 70 to move upwards to connect the motor belt pulley 65 and the third belt pulley 60, the second motor 68 is started to drive the second motor shaft 67 to rotate, the second motor shaft 67 rotates to drive the motor belt pulley 65 to rotate, the motor belt pulley 65 rotates to drive the motor belt 70 to rotate, the motor belt 70 rotates to drive the third belt pulley 60 to rotate, the third belt pulley 60 rotates to drive the fifth rotating shaft 59 to rotate, the fifth rotating shaft 59 rotates to drive the second belt pulley 58 to rotate, the second belt pulley 58 rotates to drive the first belt pulley 56 to rotate through a belt, the first belt pulley 56 rotates to drive the second rotating shaft 39 to rotate, the second rotating shaft 39 rotates to drive the second bevel gear 38 to rotate, the second bevel gear 38 rotates to drive the first bevel gear 37 to rotate, the first bevel gear 37 rotates to drive the threaded rod 31 to rotate, the threaded rod 31 rotates to drive, when the first sliding block 33 moves leftwards to drive the bolt to move leftwards, the first sliding block 33 moves leftwards to drive the limiting rod 48 to move leftwards, the limiting rod 48 moves upwards under the action of the second spring 49, the limiting rod 48 moves upwards to drive the brake block 51 to move upwards, the brake block 51 moves upwards without locking the torsion spring shaft 52, after the first sliding block 33 moves leftwards to an end point, the left and right second motor shafts 67 extend to drive the left and right clamping rods 47 to move towards the center, the clamping rod 47 moves the nut end of the clamping bolt, the second motor 68 rotates reversely to drive the first sliding block 33 to move rightwards, the first sliding block 33 moves rightwards to drive the threaded rod clamp 55 to move rightwards, as the nut end of the bolt is clamped by the clamping rod 47 with larger force, the first sliding block 33 drives the first fixing block 53 and the torsion spring shaft 52 to rotate for a certain angle in the process of moving rightwards to separate from the bolt, after the separation is completed, the first fixing block 53 is reset under the action of the torsion spring, the first sliding block 33 continues to move rightwards, so that the limiting rod 48 is contacted with the limiting plate 32 again, and the limiting rod 48 moves downwards under the action of the limiting plate 32 to drive the brake block 51 to lock the torsion spring shaft 52 again.
The first hydraulic rod 24 is shortened to drive the first motor shaft 25 to move leftwards, the first motor shaft 25 moves leftwards to drive the fourth gear 26 to be meshed with the gear ring 28, the first motor 23 is started to drive the first motor shaft 25 to rotate, the first motor shaft 25 rotates to drive the fourth gear 26 to rotate, the fourth gear 26 rotates to drive the gear ring 28 to rotate, the gear ring 28 rotates to drive the rotating disc 29 to rotate, the rotating disc 29 rotates to drive the clamping rod 47 to rotate, the clamping rod 47 rotates to drive the bolt to rotate, and the bolt rotates to enter the threaded hole, so that the operation is completed.
When the bolt needs to be unscrewed, the first hydraulic rod 24 drives the first motor shaft 25 to move, so that the fourth gear 26 is meshed with the gear ring 28, the clamping rod 47 clamps the end of the nut, the first motor 23 rotates reversely, the clamping rod 47 is driven to rotate reversely according to the transmission route, and the nut is unscrewed when the clamping rod 47 rotates reversely.
The invention has the beneficial effects that: the automatic screw tightening device is simple in structure and convenient to operate, the device can automatically extract the threaded bolts in the screw chain into the device to complete filling, the filled threaded bolts are driven to rotate to complete automatic operation, the servo motor serves as driving force, the torque and the number of turns during screw tightening can be adjusted through the control mechanism on the handle, after the threaded bolts on the threaded bolts are extracted, the empty threaded bolts can penetrate out of the device upwards, and the new threaded bolts can be refilled after being recovered.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an electric wrench by servo motor drive, includes the casing, its characterized in that: the shell comprises a power cavity and a working cavity;
the power cavity is internally provided with a bolt screwing mechanism, a baffle plate is fixedly arranged between the upper end and the lower end of the working cavity, a threaded rod is rotatably arranged between language sections of the baffle plate, the right end of the threaded rod is fixedly provided with a first bevel gear, a first slide block is arranged on the threaded rod in a sliding manner, the internal thread of the first slide block can be meshed with the external thread on the threaded rod, the left end of the baffle plate is fixedly provided with a guide rod penetrating through the first slide block, the first slide block is connected with the guide rod in a sliding manner, a limiting plate is fixedly arranged between the front end and the rear end of the working cavity, the upper end of the first slide block is provided with a limiting rod in a sliding manner, a first fixing plate is fixedly arranged between the left end wall and the right end wall of the inner cavity of the first slide block, a second spring is connected between the, a torsion spring shaft is rotatably arranged between the front end and the rear end of the inner cavity of the first sliding block, the brake block can lock the torsion spring shaft, two first fixed blocks which are symmetrical front and back are hinged on the torsion spring shaft, threaded rod clamps which are symmetrical left and right are respectively hinged on the front and rear two first fixed blocks, a third spring is connected between the left and right threaded rod clamps, a push rod is slidably arranged between the left end and the right end of the baffle plate, a fourth rotating shaft is rotatably arranged at the front end of the power cavity, a fourth bevel gear and a disc are sequentially and fixedly arranged on the fourth rotating shaft from front to back, a first connecting rod is hinged between the disc and the push rod, a second rotating shaft, a fifth rotating shaft and a third rotating shaft are sequentially and rotatably arranged at the upper end of the power cavity from left to right, a sixth belt pulley and a third bevel gear are sequentially and fixedly arranged on the third rotating shaft from top to bottom, and the third bevel gear can be meshed with, a first belt pulley and a second bevel gear are fixedly arranged on the second rotating shaft from top to bottom in sequence, the second bevel gear can be meshed with the first bevel gear, a second belt pulley and a third belt pulley are fixedly arranged on the fifth rotating shaft from top to bottom in sequence, a belt is connected between the second belt pulley and the first belt pulley, a second fixed block is fixedly arranged between the front end and the rear end of the power cavity, a sixth rotating shaft is rotatably arranged at the upper end of the second fixed block, a fourth belt pulley and a fifth belt pulley are fixedly arranged on the sixth rotating shaft from top to bottom in sequence, a belt is connected between the fifth belt pulley and the sixth belt pulley, a third hydraulic rod and a second motor are fixedly arranged at the upper end of the power cavity from left to right in sequence, a second motor shaft is rotatably arranged at the lower end of the second motor, and a motor belt pulley is fixedly arranged at the lower end of the second motor shaft, the motor belt is connected between the fourth belt pulley and the motor belt pulley, and the third hydraulic rod can control the motor belt to move up and down so that the motor belt pulley is connected with the fourth belt pulley or connected with the third belt pulley.
2. A servo motor driven power wrench as claimed in claim 1, wherein: a guide plate penetrating through the upper end of the shell is fixedly arranged at the upper end of the working cavity, a guide chute is arranged at the front end of the guide plate, a bolt chain box is arranged below the shell, two clamping shafts which are symmetrical left and right are fixedly arranged at the left end and the right end of the bolt chain box, the buckle shaft is hinged with a buckle, a first spring is connected between the buckle and the outer wall of the bolt chain box on the corresponding side, the groove on the first spring can be clamped on the bulge at the lower end of the shell, a rolled bolt chain is arranged in the bolt chain box, the rear end of the bolt chain can slide in the guide sliding groove, a plurality of nuts are sleeved in a leather sheath at the rear end of the bolt chain, the power cavity end wall is rotatably provided with a first rotating shaft, the first rotating shaft is fixedly provided with a second gear and a first gear from left to right, and the first gear can be meshed with the front side of the bolt chain.
3. A servo motor driven power wrench as claimed in claim 2, wherein: the power cavity lower extreme is fixed and is equipped with first motor, it is equipped with first motor shaft to rotate between the first motor left and right ends, the fixed fourth gear that is equipped with in first motor shaft left end, the fixed third gear that is equipped with in first motor shaft right-hand member, the fixed first hydraulic stem that is equipped with in first motor upper end, first hydraulic stem can drive the first motor shaft is removed about, the third gear can with the meshing of second gear.
4. A servo motor driven power wrench as claimed in claim 3, wherein: the power cavity is characterized in that a fixing frame is fixedly arranged between the upper end wall and the lower end wall of the power cavity, a rotating disc is arranged in the fixing frame in a rotating mode, second hydraulic rods are fixedly arranged on the left end wall and the right end wall of the rotating disc respectively, a clamping rod is fixedly arranged at one end, close to the circle center, of each second hydraulic rod, a gear ring is fixedly arranged at the rear end of the rotating disc, and the gear ring can be meshed with a fourth gear.
5. A servo motor driven power wrench as claimed in claim 1, wherein: the lower end of the shell is fixedly provided with a control handle, and the control handle is provided with a plurality of control buttons and knobs.
CN202110036303.9A 2021-01-12 2021-01-12 Electric wrench driven by servo motor Pending CN112659036A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110036303.9A CN112659036A (en) 2021-01-12 2021-01-12 Electric wrench driven by servo motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110036303.9A CN112659036A (en) 2021-01-12 2021-01-12 Electric wrench driven by servo motor

Publications (1)

Publication Number Publication Date
CN112659036A true CN112659036A (en) 2021-04-16

Family

ID=75414402

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110036303.9A Pending CN112659036A (en) 2021-01-12 2021-01-12 Electric wrench driven by servo motor

Country Status (1)

Country Link
CN (1) CN112659036A (en)

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