CN112372563B - Full-automatic electric control spanner for narrow space - Google Patents
Full-automatic electric control spanner for narrow space Download PDFInfo
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- CN112372563B CN112372563B CN202011263067.6A CN202011263067A CN112372563B CN 112372563 B CN112372563 B CN 112372563B CN 202011263067 A CN202011263067 A CN 202011263067A CN 112372563 B CN112372563 B CN 112372563B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
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- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to the field of electric tools, and particularly discloses a full-automatic electric control wrench aiming at a narrow space, which comprises a wrench base and a wrench upper cover, wherein the wrench upper cover is fixed on the wrench base to form a shell structure with a cavity inside; the front end of the shell is provided with a rotary handle, and the rear end of the shell is provided with a tail handle. The invention has the advantages that the angle of the sleeve behind the handle can be changed by rotating the handle and the tail handle, so that the invention can adapt to bolts with different angles and is more convenient to operate.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a full-automatic electric control wrench aiming at a narrow space.
Background
The hexagonal bolt has the characteristics that the nut is smaller than a common bolt, is less limited by the installation position and has high strength grade, and is widely applied to occasions with narrow connection position space, compact structure of a part needing to be connected and high requirements on tensile strength and shearing strength of the bolt. The screwing and unscrewing of the hexagon bolt both need to use a hexagon wrench with the size corresponding to the hexagon, and the hexagon wrench cannot rotate around the hexagon bolt in a whole circle due to the limitation of the installation position in the use of the existing hexagon wrench, so that the screwing or unscrewing speed of the hexagon bolt is slow; in addition, the position angle of the bolt is large, and it is difficult to connect the socket of the wrench with the bolt after the electric wrench is held by hand.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a full-automatic electric control wrench aiming at a narrow space.
The purpose of the invention is realized by the following technical scheme: a full-automatic electric control wrench aiming at a narrow space comprises a wrench base and a wrench upper cover, wherein the wrench upper cover is fixed on the wrench base to form a shell structure with a cavity inside;
the front end of the shell is provided with a rotary handle, the rotary handle comprises a handle and a rotary outer ring, the handle is fixed on the rotary outer ring, a rotary inner ring is arranged in the rotary outer ring, a gap is arranged between the rotary outer ring and the rotary inner ring, a plurality of mounting holes are formed in the rotary inner ring in a circumferential array mode, rotary handle push rods are arranged in the mounting holes, one ends of the rotary handle push rods are connected with springs, the other ends of the springs are fixed on the inner wall of the rotary outer ring, the rotary inner ring is sleeved on the shell, and locking holes corresponding to the mounting holes are formed in the shell in a circumferential array mode;
the rear end of casing is provided with the afterbody handle, rotatory piece is connected to the afterbody handle, the inside of rotatory piece is provided with the electro-magnet, be provided with fixed magnet on the casing, be provided with the rotation hole on the spanner base, be provided with the pivot on the rotatory piece, the cover is equipped with the bearing in the pivot, bearing and rotation hole cooperation, the one end of pivot is provided with rotatory separation blade, be provided with a plurality of conductive heads on the terminal surface of rotatory separation blade, still include the butt joint plate, the butt joint plate is fixed on the spanner base, be provided with the conductive circle of a plurality of coaxial settings on the butt joint plate, conductive head is connected with the conductive circle contact that corresponds.
Specifically, the front end of the shell is provided with a step shape, the front end of the shell is provided with a rotary handle stop block, and the rotary handle stop block is sleeved on the shell and fixed and used for limiting the rotary outer ring and the rotary inner ring between the rotary handle stop block and the step of the shell.
Specifically, a display screen is arranged on the rotating block.
Concretely, actuating mechanism include driving motor, clutching mechanism and reduction gears, driving motor's power take off end passes through clutching mechanism and connects reduction gears, and clutching mechanism control driving motor is connected and is interrupted with reduction gears's power, reduction gears includes a plurality of speed reduction subassemblies, speed reduction subassembly includes connecting axle, input gear and output gear fix on the connecting axle, the connecting axle rotates with the casing to be connected, and adjacent speed reduction subassembly's input gear and output gear mesh, the output gear connection toothed belt of final reduction subassembly, the toothed belt is connected the sleeve, input gear's diameter is greater than output gear.
Specifically, the clutch mechanism comprises two supporting seats, an installation seat is arranged between the supporting seats, main shafts are rotatably connected between the two supporting seats and the installation seat, one end of one main shaft is connected with a driving motor through a coupling, one end of the other main shaft is provided with a bevel gear, the bevel gear is meshed with an input gear of the speed reducing mechanism, a first friction wheel is arranged on each of the two main shafts, an installation groove is arranged at the upper part of each supporting seat, a friction wheel shaft supporting block is arranged in the installation groove in a sliding mode, a supporting spring is arranged at the bottom of each friction wheel shaft supporting block, one end of each supporting spring is fixed at the bottom of the installation groove, an electric control pressure block is arranged at the top of each friction wheel shaft supporting block, the top of each electric control pressure block is fixedly connected with the supporting seats, a friction wheel shaft is rotatably arranged between the two friction wheel shaft supporting blocks, two second friction wheels are arranged on the friction wheel shaft and respectively correspond to the two first friction wheels.
Specifically, a torque sensor is arranged on the coupler.
Specifically, the tail grip is provided with a control button.
Specifically, the clutch mechanism includes the supporting seat, it is provided with a main shaft to rotate on the supporting seat, the one end of main shaft is provided with bevel gear, bevel gear and reduction gears's input gear meshing, the other end of main shaft is provided with the guide block, be provided with the erection column on the guide block, the cover is equipped with first face gear on the erection column, driving motor's output is provided with the second face gear, first face gear and second face gear meshing, be provided with first electro-magnet on the terminal surface of guide block, be provided with the second electro-magnet on the face that first face gear is relative with the guide block, adsorb each other when first electro-magnet and second electro-magnet circular telegram and make first face gear along the erection column to guide block relative motion, make first face gear and second face gear meshing disconnection.
Specifically, a pressing spring is arranged between the guide block and the first face gear.
Specifically, the mounting post on be provided with the slider along the axial, the middle part of first face gear is provided with the guiding hole, be provided with the spout along the axial on the inner wall of guiding hole, spout and slider sliding fit
The invention has the following advantages:
1. the rotary handle arranged at the front end of the shell and the tail handle arranged at the rear end of the shell can rotate, and the angle of the handle rear sleeve can be changed by rotating the rotary handle and the tail handle, so that the rotary handle can adapt to bolts with different angles, and the operation is more convenient.
2. When the electric control pressure block is used, the electric control pressure block can be matched with the torque sensor, the start and stop of the electric control pressure block are automatically controlled through signals of the torque sensor, so that when the detected torque reaches a preset value, the electric control pressure block is moved upwards, the friction wheel shaft supporting block is moved upwards under the action of the supporting spring, the second friction wheel is separated from the first friction wheel, the disconnection of power is realized, and the tightness of a bolt is automatically stopped.
Drawings
FIG. 1 is a schematic view of the internal structure of the wrench housing according to the present invention;
FIG. 2 is a schematic view of the external structure of the wrench of the present invention;
FIG. 3 is a schematic view of the deceleration assembly of the present invention;
FIG. 4 is a schematic view of a structure of the rotation blocking plate and the butt plate of the present invention;
FIG. 5 is a schematic view of a rotary baffle structure of the present invention;
FIG. 6 is a schematic view of the structure of the butt plate of the present invention;
FIG. 7 is a schematic view of the rotary grip of the present invention;
FIG. 8 is a schematic view of a supporting seat structure of the present invention;
FIG. 9 is a schematic overall structure diagram of a second embodiment of the present invention;
FIG. 10 is a schematic structural diagram of a clutch mechanism according to a second embodiment of the present invention;
in the figure: 1-a wrench base, 2-a first friction wheel, 3-a mounting seat, 4-a main shaft, 5-a speed reducing component, 51-a connecting shaft, 52-an input gear, 53-an output gear, 6-a handle, 7-a sleeve, 8-a toothed belt, 9-a rotating outer ring, 10-a rotating inner ring, 11-a rotating handle push rod, 12-an electric control pressure block, 13-a second friction wheel, 14-a friction wheel shaft, 15-a supporting seat, 16-a friction wheel shaft supporting block, 17-a coupler, 18-a driving motor, 19-a rotating block, 20-a tail handle, 21-a display screen, 22-a wrench upper cover, 23-a fixed magnet, 24-a rotating baffle, 241-a conductive head, 25-a bearing and 26-a butt plate, 27-conductive ring, 28-spring, 29-supporting spring, 30-bevel gear, 31-guide block, 32-first face gear, 33-second face gear, 34-pressing spring, 35-first electromagnet and 36-mounting column.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
The first embodiment,
As shown in fig. 1 to 8, the full-automatic electric wrench for narrow spaces comprises a wrench base 1 and a wrench upper cover 22, wherein the wrench upper cover 22 is fixed on the wrench base 1 to form a shell structure with a cavity inside, a driving mechanism is arranged inside the shell, a sleeve 7 is arranged at the front end of the shell, and the driving mechanism drives the sleeve 7 to rotate;
the front end of the shell is provided with a rotary handle, the rotary handle comprises a handle 6 and a rotary outer ring 9, the handle 6 is fixed on the rotary outer ring 9, a rotary inner ring 10 is arranged inside the rotary outer ring 9, a gap is arranged between the rotary outer ring 9 and the rotary inner ring 10, a plurality of mounting holes are formed in the rotary inner ring 10 in a circumferential array mode, rotary handle push rods 11 are arranged in the mounting holes, one end of each rotary handle push rod 11 is connected with a spring 28, the other end of each spring 28 is fixed on the inner wall of the rotary outer ring 9, the rotary inner ring 10 is sleeved on the shell, and locking holes corresponding to the mounting holes are formed in the shell in a circumferential array mode;
the rear end of casing is provided with afterbody handle 20, rotatory piece 19 is connected to afterbody handle 20, the inside of rotatory piece 19 is provided with the electro-magnet, be provided with fixed magnet 23 on the casing, be provided with the rotation hole on the spanner base 1, be provided with the pivot on the rotatory piece 19, the cover is equipped with bearing 25 in the pivot, bearing 25 and rotation hole cooperation, the one end of pivot is provided with rotatory separation blade 24, be provided with a plurality of conductive joints 241 on the terminal surface of rotatory separation blade 24, still include docking plate 26, docking plate 26 is fixed on the spanner base 1, be provided with the conductive ring 27 of a plurality of coaxial settings on the docking plate 26, conductive joint 241 is connected with the conductive ring 27 contact that corresponds. In the scheme, the rotary handle and the tail handle 20 can both rotate, the sleeve position and the handle position of the existing electric wrench are relatively fixed, therefore, when a user holds the handle of the wrench, the sleeve position is fixed, the posture of the user is basically unchanged after holding the handle, and only a small-amplitude angle adjustment is needed, so that only the bolt at a proper position can be well tightened after holding the wrench, in some special angles, such as an angle of 60 degrees formed by the axis of the bolt and the horizontal plane, the user needs to rotate the corresponding angle to adapt, and the operation is difficult for the user to operate, therefore, in order to adapt to the tightness of the bolt at a special angle, the rotary handle and the tail handle 20 of the wrench are arranged to rotate, the handle 6 is held in use, then the handle 6 is rotated along the circumferential direction of the shell, when the handle 6 is rotated, the rotary outer ring 9 rotates, the rotary outer ring 9 pulls the spring 28, the spring 28 pulls the rotary handle push rod 11 to move axially along the mounting hole, initially, the rotary handle push rod 11 is clamped in a locking hole on the shell, so that the position of the rotary outer ring 9 is limited under the action of the rotary handle push rod 11, after the rotary handle push rod 11 moves, the rotary handle push rod 11 is separated from the locking hole, so that the limitation of the rotary handle push rod 11 is lacked, the rotary outer ring 9 can rotate relative to the shell, the handle 6 is rotated to a proper position, then the handle 6 is loosened to enable the rotary handle push rod 11 to be continuously clamped in the locking hole under the action of the spring 28, the position of the handle 6 is fixed, then the tail handle 20 is rotated, the tail handle 20 is provided with a button for controlling the electromagnet and powering off, when the turning on and off are needed, the button is pressed down, then the electromagnet is powered off, therefore, the attraction between the electromagnet and the fixed magnet 23 disappears, the rotating block 19 can be rotated, the tail grip 20 and the rotating handle 6 are convenient for an operator to hold by rotating the tail grip 20, the angle of the axis of the gripped sleeve corresponds to the angle of the bolt needing to be tightened, the bolt can be conveniently tightened by the operator, and the scheme is particularly suitable for the bolt in a narrow space and the condition that the axis of the sleeve is perpendicular to the axis of the shell. In the scheme, an electric control center of a control wrench is arranged in a rotating block 19, the electric control center needs to be electrically connected with electric control elements such as a torque sensor, an electric control pressure block 12 and a driving motor 18, so that under the condition that the rotating block 19 rotates, the electric control center cannot be directly connected with the electric control elements through a wire, the wire can be wound and damaged, one end of the rotating block 19 is connected with a rotating shaft, the rotating shaft is rotatably connected with a shell through a bearing, one end of the rotating shaft is provided with a rotating baffle 24, the rotating baffle 24 is arranged in the shell, so that the axial position of the rotating shaft is limited through the rotating baffle 24, namely the axial position of the rotating block 19 is limited, the rotating shaft in the scheme is a hollow shaft, the wire of the electric control center is connected with a conductive head 241 arranged on the rotating baffle 24 after penetrating into the rotating shaft, so that the conductive head 241 is contacted with a conductive ring 27 on a butt plate 26, and the transmission of electric signals and electric power can be realized, the conductive ring 27 on the butt-joint plate 26 is embedded on the butt-joint plate 26, the butt-joint plate 26 is made of insulating material, and is recently connected with the electric control element through the conductive ring 27, so that the winding of the electric wire can be avoided.
Further, the front end of the shell is provided with a step shape, the front end of the shell is provided with a rotary handle stop block 22, and the rotary handle stop block 22 is sleeved on the shell and fixed and used for limiting the rotary outer ring 9 and the rotary inner ring 10 between the rotary handle stop block 22 and the step of the shell.
Furthermore, a display screen 21 is arranged on the rotating block 19, and the display screen 21 displays the magnitude of the torque detected by the internal torque sensor in real time, so that a user can conveniently control the torque in real time.
Further, actuating mechanism include driving motor 18, clutching mechanism and reduction gears, the power take off end of driving motor 18 passes through clutching mechanism and connects reduction gears, clutching mechanism control driving motor 18 and reduction gears's power connection and interrupt, reduction gears includes a plurality of speed reduction unit 5, the speed reduction unit includes connecting axle 51, input gear 52 and output gear 53 are fixed on connecting axle 51, connecting axle 51 passes through ball bearing and casing and rotates and be connected, and adjacent reduction gears 5's input gear 52 meshes with output gear 53, and toothed belt 8 is connected to final stage's speed reduction unit 5's output gear 53, toothed belt 8 connects sleeve 7, the diameter of input gear 52 is greater than output gear 53. In the scheme, the driving motor 18 is connected with the speed reducing mechanism through the clutch mechanism, the power output and the disconnection of the driving motor 18 are controlled through the clutch mechanism, when the bolt is screwed up to reach the preset torque, the clutch mechanism automatically disconnects the driving motor 18 from the speed reducing mechanism to realize automatic start and stop, the speed reducing mechanism comprises at least three stages of speed reduction, each stage of speed reduction consists of one speed reducing component 5, the three speed reducing components are sequentially connected with the input gear 52 through the output gear 53, the power output by the driving motor 18 is decelerated by the decelerating mechanism, the torque is increased to meet the requirement of screwing the bolt, and finally the power is transmitted to the sleeve 7 through the toothed belt 8, the toothed belt 8 is adopted because the transmission ratio of the toothed belt 8 is more accurate, the head sleeve 7 is less likely to have moment variations during use, while meeting the demand for smaller head sizes.
Further, the clutch mechanism comprises two supporting seats 15, an installation seat 3 is arranged between the supporting seats 15, main shafts 4 are rotatably connected between the two supporting seats 15 and the installation seat 3, one end of one main shaft 4 is connected with a driving motor 18 through a coupler 17, one end of the other main shaft 4 is provided with a bevel gear 30, the bevel gear 30 is meshed with an input gear 52 of the speed reducing mechanism, a first friction wheel 2 is arranged on each of the two main shafts 4, an installation groove is arranged on the upper portion of the supporting seat 15, a friction wheel shaft supporting block 16 is slidably arranged in the installation groove, a supporting spring is arranged at the bottom of the friction wheel shaft supporting block 16, one end of the supporting spring is fixed at the bottom of the installation groove, an electric control pressure block 12 is arranged at the top of the friction wheel shaft 16, and the top of the electric control pressure block 12 is fixedly connected with the supporting seats 15, a friction wheel shaft 14 is rotatably arranged between the two friction wheel shaft supporting blocks 16, two second friction wheels 13 are arranged on the friction wheel shaft 14, and the two second friction wheels 13 correspond to the two first friction wheels 2 respectively. When the bolt needs to be screwed down, the electric control pressure block 12 is controlled to work, the electric control pressure block 12 drives the friction wheel shaft supporting block 16 to move downwards along the mounting groove to compress the supporting spring, the electric control pressure block 12 can adopt a screw rod nut mode, a motor drives a screw rod to drive a nut to move along the screw rod, the nut is fixed on the friction wheel shaft supporting block 16, the friction wheel shaft supporting block 16 moves downwards to drive the friction wheel shaft 14 to move downwards, so that the two second friction wheels 13 are respectively tightly attached to the two first friction wheels 2, so that the two main shafts 4 are in power connection through the tight attachment of the two second friction wheels 13 and the two first friction wheels 2, so that the power output by the driving motor 187 is transmitted to the friction wheel shaft 14 through one main shaft and then to the other main shaft 4 through the friction wheel shaft 14, and finally transmitted to the speed reducing mechanism through the bevel gear 30, wherein the input gear 52 connected with the bevel gear 30 is also a bevel gear, the torque sensor is arranged on the coupler 17, the torque is detected through the torque sensor, when the torque reaches a preset torque, the power is cut off, the electric control pressure block 12 is controlled to work, the electric control pressure block 12 moves upwards, the friction wheel shaft supporting block 16 moves upwards under the action of restoring force of the supporting spring, the second friction wheel 13 is separated from the first friction wheel 2, the power is cut off, and automatic disconnection of the power after the bolt is screwed is achieved.
Further, a control button is disposed on the tail grip 20.
Example II,
As shown in fig. 9 and 10, the difference between the first embodiment and the first embodiment lies in that the structure of the clutch mechanism is different, the clutch mechanism in the present embodiment includes a support base 15, a spindle 4 is rotatably disposed on the support base 15, a bevel gear 30 is disposed at one end of the spindle 4, the bevel gear 30 is engaged with an input gear 52 of a reduction mechanism, a guide block 31 is disposed at the other end of the spindle 4, the guide block 31 is connected with the spindle 4 through a coupling 17, a mounting post 36 is disposed on the guide block 31, a first face gear 32 is sleeved on the mounting post 36, a second face gear 33 is disposed at an output end of the driving motor 18, the first face gear 32 is engaged with the second face gear 33, a first electromagnet 35 is disposed on an end face of the guide block 31, and a second electromagnet is disposed on a face of the first face gear 32 opposite to the guide block 31, when the first electromagnet 35 and the second electromagnet are energized, they are attracted to each other, and the first face gear 32 moves toward the guide block 31 along the mounting post 36, so that the first face gear 32 and the second face gear 33 are disengaged from each other. In the scheme, the clutch mechanism adopts a gear meshing transmission mode to realize power transmission, when power is required to be disconnected, the first electromagnet 35 and the second electromagnet are electrified, so that the first electromagnet 35 is fixed on the guide block 31, the second electromagnet is fixed on the first face gear 32, the first electromagnet 35 and the second electromagnet are adsorbed to enable the first face gear 32 to move along the guide block 31, the first face gear 32 and the second face gear 33 are disconnected in meshing mode, the driving motor 18 drives the second face gear 33 to idle, and power disconnection is realized.
Further, a pressing spring 34 is arranged between the guide block 31 and the first face gear 32. The pressing spring 34 is arranged to be compressed when the first face gear 32 moves towards the guide block 31, so that when the first face gear 32 and the second face gear 33 need to be meshed, the first electromagnet 35 and the second electromagnet are powered off, the action of magnetic force is lost, and the first face gear 32 is meshed with the second face gear 33 under the action of restoring force of the pressing spring 34, so that power connection is achieved.
Further, the mounting column 36 is provided with a sliding block along the axial direction, the middle part of the first face gear 32 is provided with a guide hole, the inner wall of the guide hole is provided with a sliding groove along the axial direction, and the sliding groove is in sliding fit with the sliding block. The cooperation of spout in this scheme and slider has realized the spacing of axial displacement and circumference of first face gear 32.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (5)
1. The utility model provides a full-automatic electrically controlled spanner to narrow and small space which characterized in that: the wrench comprises a wrench base (1) and a wrench upper cover (22), wherein the wrench upper cover (22) is fixed on the wrench base (1) to form a shell structure with a cavity inside, a driving mechanism is arranged inside the shell, a sleeve (7) is arranged at the front end of the shell, and the driving mechanism drives the sleeve (7) to rotate;
the driving mechanism comprises a driving motor (18), a clutch mechanism and a speed reducing mechanism, the power output end of the driving motor (18) is connected with the speed reducing mechanism through the clutch mechanism, the clutch mechanism controls the power connection and disconnection of the driving motor (18) and the speed reducing mechanism, the reduction mechanism comprises a plurality of reduction assemblies (5) including a connecting shaft (51), an input gear (52) and an output gear (53), the input gear (52) and the output gear (53) are fixed on the connecting shaft (51), the connecting shaft (51) is rotationally connected with the shell, an input gear (52) of the adjacent speed reducing assembly (5) is meshed with an output gear (53), the output gear (53) of the final speed reducing assembly (5) is connected with a toothed belt (8), the toothed belt (8) is connected with the sleeve (7), and the diameter of the input gear (52) is larger than that of the output gear (53);
the clutch mechanism comprises two supporting seats (15), an installation seat (3) is arranged between the supporting seats (15), main shafts (4) are rotatably connected between the two supporting seats (15) and the installation seat (3), one end of one main shaft (4) is connected with a driving motor (18) through a coupler (17), one end of the other main shaft (4) is provided with a bevel gear (30), the bevel gear (30) is meshed with an input gear (52) of the speed reducing mechanism, a first friction wheel (2) is arranged on each of the two main shafts (4), an installation groove is arranged on the upper portion of each supporting seat (15), a friction wheel shaft supporting block (16) is arranged in the installation groove in a sliding mode, a supporting spring is arranged at the bottom of each friction wheel shaft supporting block (16), one end of the supporting spring is fixed to the bottom of the installation groove, and an electric control pressure block (12) is arranged at the top of each friction wheel shaft supporting block (16), the top of the electric control pressure block (12) is fixedly connected with a supporting seat (15), a friction wheel shaft (14) is rotatably arranged between two friction wheel shaft supporting blocks (16), two second friction wheels (13) are arranged on the friction wheel shaft (14), and the two second friction wheels (13) correspond to the two first friction wheels (2) respectively;
the front end of the shell is provided with a rotary handle, the rotary handle comprises a handle (6) and a rotary outer ring (9), the handle (6) is fixed on the rotary outer ring (9), a rotary inner ring (10) is arranged inside the rotary outer ring (9), a gap is arranged between the rotary outer ring (9) and the rotary inner ring (10), a plurality of mounting holes are formed in the rotary inner ring (10) in a circumferential array mode, rotary handle push rods (11) are arranged in the mounting holes, one end of each rotary handle push rod (11) is connected with a spring (28), the other end of each spring (28) is fixed on the inner wall of the rotary outer ring (9), the rotary inner ring (10) is sleeved on the shell, and locking holes corresponding to the mounting holes are formed in the shell in a circumferential array mode;
the rear end of casing is provided with afterbody handle (20), rotatory piece (19) is connected in afterbody handle (20), the inside of rotatory piece (19) is provided with the electro-magnet, be provided with fixed magnet (23) on the casing, be provided with the rotation hole on wrench base (1), be provided with the pivot on rotatory piece (19), the cover is equipped with bearing (25) in the pivot, bearing (25) and rotation hole cooperation, the one end of pivot is provided with rotatory separation blade (24), be provided with a plurality of conductive joints (241) on the terminal surface of rotatory separation blade (24), still include buttcover plate (26), buttcover plate (26) are fixed on wrench base (1), be provided with conductive ring (27) of a plurality of coaxial settings on buttcover plate (26), conductive joint (241) and corresponding conductive ring (27) contact connection.
2. The full-automatic electric control wrench for the narrow space according to claim 1, characterized in that: the front end of the shell is in a step shape, the front end of the shell is provided with a rotary handle stop block, and the rotary handle stop block is sleeved on the shell and fixed and used for limiting a rotary outer ring (9) and a rotary inner ring (10) between the rotary handle stop block and a step of the shell.
3. The fully automatic electric wrench for narrow spaces according to claim 1, wherein: the rotating block (19) is provided with a display screen (21).
4. The fully automatic electric wrench for narrow spaces according to claim 1, wherein: and a torque sensor is arranged on the coupler (17).
5. The fully automatic electric wrench for narrow spaces according to claim 1, wherein: the tail grip (20) is provided with a control button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263067.6A CN112372563B (en) | 2020-11-12 | 2020-11-12 | Full-automatic electric control spanner for narrow space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263067.6A CN112372563B (en) | 2020-11-12 | 2020-11-12 | Full-automatic electric control spanner for narrow space |
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| Publication Number | Publication Date |
|---|---|
| CN112372563A CN112372563A (en) | 2021-02-19 |
| CN112372563B true CN112372563B (en) | 2022-06-10 |
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| CN202011263067.6A Active CN112372563B (en) | 2020-11-12 | 2020-11-12 | Full-automatic electric control spanner for narrow space |
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| CN113799057A (en) * | 2021-09-26 | 2021-12-17 | 北京中燕建设工程有限公司 | Take moment measurement's compressor probe mounting tool |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU612783A1 (en) * | 1975-08-25 | 1978-06-30 | Предприятие П/Я М-5147 | Limited-torque electromechanical wrench |
| DE8910673U1 (en) * | 1989-09-07 | 1989-12-07 | Fa. Robert Schröder, 5600 Wuppertal | Operating handle for screwdriver |
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| US8800412B2 (en) * | 2011-08-19 | 2014-08-12 | Snap-On Incorporated | Auxiliary power tool handle |
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| CN108214383B (en) * | 2018-01-22 | 2019-11-08 | 南京昌合泰智能科技有限公司 | A kind of mechanical clutch full automatic electric screwdriver and its application method |
| CN110977853A (en) * | 2019-12-19 | 2020-04-10 | 四川大学 | Automatic electric control wrench for tightening bolt in narrow space |
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2020
- 2020-11-12 CN CN202011263067.6A patent/CN112372563B/en active Active
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