CN113909875A

CN113909875A - Multifunctional screw tightening device

Info

Publication number: CN113909875A
Application number: CN202111274908.8A
Authority: CN
Inventors: 田少杰; 董维盾; 周伟龙; 张骞; 李楠
Original assignee: State Grid Corp of China SGCC; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd; Anping Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd; Anping Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-01-11
Anticipated expiration: 2041-10-29
Also published as: CN113909875B

Abstract

The invention provides a multifunctional screw tightening device, which belongs to the technical field of tightening tools and comprises a support frame body, a fixed cross rod arranged on the top of the support frame body, an angle adjusting rod group arranged on the end part, far away from the support frame body, of the fixed cross rod, and a rotating unit arranged on the angle adjusting rod group, wherein a clamping and clamping head used for clamping and fixing a fastening piece is further arranged on the driving end of the rotating unit. According to the multifunctional screw screwing device provided by the invention, the clamping head rotates around the axis under the driving of the rotating unit, the axis direction of the clamping head can be freely adjusted through the angle adjusting rod group, so that the rotating unit and the clamping head can screw the fasteners in all directions, the rotating unit and the clamping head are supported by the support frame body, the fixed cross rod and the angle adjusting rod group, the screwing work of screws is more labor-saving, and the problem of reduced fastening and fixing effects of the fasteners due to long-time work of workers is avoided.

Description

Multifunctional screw tightening device

Technical Field

The invention belongs to the technical field of screwing tools, and particularly relates to a multifunctional screw screwing device.

Background

Adopt the fastener fixed be with two fixed most common modes of part, it has fixed firm installation and dismantles convenient characteristics, adopts tight rotating device at present to mostly be screwdriver or spanner. Typically, when a large number of fasteners are to be fastened, a pneumatic or electric wrench is typically used to fasten the fasteners. However, in the prior art, most of the pneumatic or electric wrenches are operated by bare hands of workers, the fastening effect is affected by fatigue after the workers work for a long time, and the safety factor of products can be reduced due to the fact that the fasteners are not firmly fixed in severe vibration occasions such as aerospace, vibration machinery and high-speed rail vehicles.

Disclosure of Invention

The invention aims to provide a multifunctional screw tightening device, and aims to solve the problem that the fastening effect of a product is influenced due to poor fastening effect of a pneumatic or electric wrench in the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a multi-functional screw screwing device for fasten the fastener, be in including supporting the support body, setting support fixed horizontal pole, setting on the support body top and be in fixed horizontal pole is kept away from angle adjusting rod group and setting on the support body end of body are in rotation unit on the angle adjusting rod group, still be provided with the clamp head that clamps that is used for chucking fixed fastener on rotation unit's the drive end, clamp head dismantlement that clamps sets up on rotation unit's drive end and can rotate along with the drive end, clamp head and be in rotation unit's drive is down rotated to accessible angle adjusting rod group adjusts the axle center direction that clamps the clamp head.

In a possible implementation mode, angle adjusting rod group includes that the tip is articulated to be set up but fixed horizontal pole tip and horizontal rotation's first turning block, tip are articulated to be set up on the first turning block and the axis of rotation with first turning block's the first turning rod, articulated setting that the axis of rotation mutually perpendicular set up are in on the first turning rod other end and axis of rotation and first turning rod's the second turning block of axis of rotation mutual parallel arrangement and rotation setting on the second turning block, clamp and press from both sides tight head and dismantle the setting and be in second pivoted tip is kept away from to the second turning rod.

In a possible implementation manner, an adjusting unit for adjusting the angle of the first rotating rod is further arranged between the first rotating block and the first rotating rod.

In a possible implementation manner, the adjusting unit is an electric push rod arranged between the first rotating block and the first rotating rod, and one end of the electric push rod is hinged to the first rotating block, and the other end of the electric push rod is hinged to the first rotating rod.

In a possible implementation manner, a torsion adjusting mechanism for adjusting the magnitude of the output torsion of the rotating unit is further arranged between the clamping and clamping head and the driving end of the rotating unit, and the clamping and clamping head is connected with the driving end through the torsion adjusting mechanism.

In a possible implementation manner, the torque adjusting mechanism includes a fixing bracket disposed on the rotating unit body, an adjusting rotating shaft rotatably disposed on the fixing bracket and coaxially disposed with the driving end of the rotating unit, a first clutch member disposed on the driving end, a second clutch member movably disposed at an end of the adjusting rotating shaft and capable of rotating together with the adjusting rotating shaft, an elastic member disposed between the adjusting rotating shaft and the second clutch member, and an adjusting unit disposed on the fixing bracket and used for adjusting a distance between the operating rotating shaft and the adjusting rotating shaft.

In a possible implementation manner, the first clutch piece and the second clutch piece both comprise a cylinder body and engagement teeth arranged on the end part of the cylinder body and wound around the axis of the cylinder body, and transition fillets are arranged on two sides of the top of each engagement tooth.

In a possible implementation manner, the adjusting unit is arranged on the fixed support and is sleeved with an installation sleeve and an adjusting sleeve, the installation sleeve is externally arranged on the installation sleeve and is in threaded connection with the installation sleeve, the adjusting shaft is rotatably arranged in the installation sleeve, a sliding ring groove is further formed in the inner wall of the adjusting sleeve, a sliding convex ring is further arranged on the circumference of the adjusting shaft, and the sliding convex ring is clamped in the sliding ring groove.

In a possible implementation manner, the clamping head includes a fixing sleeve arranged at a driving end of the rotating unit, an adjusting sleeve sleeved outside the fixing sleeve, a plurality of clamping blocks with one end hinged to an end surface of the fixing sleeve and the other end located in the fixing sleeve, and a plurality of driving rods with one end hinged to an end surface of the adjusting sleeve and the other end hinged to the middle of the clamping blocks, the clamping blocks are uniformly distributed around an axis of the fixing sleeve, and a fixing unit for fixing the adjusting sleeve is further arranged between the adjusting sleeve and the fixing sleeve.

In a possible implementation manner, the fixing unit is a locking rod body arranged on the adjusting sleeve, the locking rod body penetrates through the side wall of the adjusting sleeve and is in threaded connection with the adjusting sleeve, and one end of the locking rod body abuts against the outer wall of the fixing sleeve.

The multifunctional screw tightening device provided by the invention has the beneficial effects that: compared with the prior art, the fixed cross rod is arranged at the top of the support frame body, the clamping head used for clamping the end part of the fixed fastener and the rotating unit used for driving the clamping head and the fastener to rotate are arranged on the fixed cross rod, the clamping head is detachably arranged at the driving end of the rotating unit, and an angle adjusting rod group used for freely adjusting the axis direction of the clamping head is further arranged between the fixed cross rod and the rotating unit. According to the multifunctional screw screwing device, the clamping and clamping head rotates around the axis under the driving of the rotating unit, the axis direction of the clamping and clamping head can be freely adjusted through the angle adjusting rod group, so that the rotating unit and the clamping and clamping head can screw fasteners in various directions and positions, the rotating unit and the clamping and clamping head are supported by the support frame body, the fixed cross rod and the angle adjusting rod group, the screwing work of screws is more labor-saving, and the problem that the screwing and fixing effect of the fasteners is reduced due to long-time work of workers is solved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a multifunctional screwing device according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a torque adjustment mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a clamping head used in the embodiment of the present invention.

In the figure: 1. a support frame body; 2. fixing the cross bar; 3. an angle adjusting rod group; 31. a first rotating block; 32. a first rotating lever; 33. a second turning block; 34. a second rotating lever; 4. a rotating unit; 5. clamping the clamping head; 51. fixing the sleeve; 52. an adjustment sleeve; 53. a clamping block; 54. a drive rod; 55. locking the rod body; 6. a torque force adjusting mechanism; 61. fixing a bracket; 62. adjusting the rotating shaft; 63. a first clutch member; 64. a second clutch member; 65. an elastic member; 7. an adjustment unit; 71. installing a sleeve; 72. the collar is adjusted.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, the multifunctional screw tightening device of the present invention will now be described. Multifunctional screw screwing device, including supporting support body 1, the fixed horizontal pole 2 of setting on supporting support body 1 top, the angle adjusting rod group 3 on the 1 tip of support body is kept away from at fixed horizontal pole 2 to the setting, and set up the rotating element 4 on angle adjusting rod group 3, still be provided with the clamp head 5 that clamps that is used for chucking fixed fastener on rotating element 4's the drive end, clamp head 5 that clamps is dismantled and is set up on rotating element 4's drive end and can rotate along with the drive end, clamp head 5 and rotate under rotating element 4's drive, and the axle center direction that clamps clamp head 5 is adjusted to accessible angle adjusting rod group 3.

Compared with the prior art, the multifunctional screw screwing device provided by the embodiment is provided with the fixed cross rod 2 at the top of the support frame body 1, the clamping head 5 used for clamping the end part of the fixed fastener is arranged on the fixed cross rod 2, the rotating unit 4 used for driving the clamping head 5 and the fastener to rotate is clamped, the clamping head 5 is clamped and disassembled to be arranged at the driving end of the rotating unit 4, and the angle adjusting rod group 3 used for freely adjusting the axis direction of the clamping head 5 is also arranged between the fixed cross rod 2 and the rotating unit 4. According to the multifunctional screw screwing device, the clamping and clamping head 5 rotates around the axis under the driving of the rotating unit 4, the axis direction of the clamping and clamping head 5 can be freely adjusted through the angle adjusting rod group 3, so that the rotating unit 4 and the clamping and clamping head 5 can screw fasteners in various directions and positions, the rotating unit 4 and the clamping and clamping head 5 are supported by the support frame body 1, the fixed cross rod 2 and the angle adjusting rod group 3, the screw screwing work is more labor-saving, and the problem that the fastening and fixing effect is reduced due to long-time work of workers is solved.

In this embodiment, as an optimal mode, the support frame body 1 is a vertically arranged rod body, one end portion of the fixed cross rod 2 is slidably arranged on the support frame body 1, the fixed cross rod 2 can also slide along the height direction of the support frame body 1, and a fastening unit is further arranged between the end portions of the support frame body 1 and the fixed cross rod 2.

Referring to fig. 2, the angle adjusting lever set 3 includes a first rotating block 31 having an end portion hinged to an end portion of the fixed cross bar 2 and capable of horizontally rotating, a first rotating lever 32 having an end portion hinged to the first rotating block 31 and a rotating shaft perpendicular to the rotating shaft of the first rotating block 31, a second rotating block 33 hinged to the other end of the first rotating lever 32 and having a rotating shaft parallel to the rotating shaft of the first rotating lever 32, and a second rotating lever 34 rotatably disposed on the second rotating block 33, wherein the clamping head 5 is detachably disposed at an end portion of the second rotating lever 34 away from the second rotating.

Damping structures are arranged at the joints of the first rotating blocks 31 and the fixed cross bar 2 and the joints of the first rotating rods 32 and the first rotating blocks 31, and damping structures are also arranged at the joints of the second rotating blocks 33, the second rotating rods 34 and the first rotating rods 32. The angle adjusting rod group 3 with the structure can adjust the rotating unit 4 and the axis direction of the clamping head 5 in all directions, so that the working range of the clamping head 5 is wider and the use is more convenient.

Referring to fig. 1 and 2, an adjusting unit 7 for adjusting an angle of the first rotating rod 32 is further disposed between the first rotating block 31 and the first rotating rod 32. The adjusting unit 7 is configured to facilitate the rotation of the first rotating rod 32 in a vertical plane, and support the first rotating rod 32 after the rotation, so that the first rotating rod 32 maintains the rotated angle.

Referring to fig. 1 and 2, the adjusting unit 7 is an electric push rod disposed between the first rotating block 31 and the first rotating rod 32, one end of the electric push rod is hinged to the first rotating block 31, and the other end of the electric push rod is hinged to the first rotating rod 32. An extension bracket used for installing the electric push rod is further arranged on the first rotating block 31, a triangular structure is formed by the extension bracket, the electric push rod and part of the length of the first rotating rod 32, and the angle adjustment of the first rotating rod 32 in a vertical plane is realized through the length change of the electric push rod, so that the adjustment of the first rotating rod 32 is more convenient.

Referring to fig. 1 and 2, a torque adjusting mechanism 6 for adjusting the torque output by the rotating unit 4 is further disposed between the clamping head 5 and the driving end of the rotating unit 4, and the clamping head 5 is connected to the driving end through the torque adjusting mechanism 6. The torsion adjusting mechanism 6 can freely adjust the torsion output by rotation, so that the fastener is prevented from being damaged due to overlarge torsion when the screw with small rotation strength is screwed, and the screw screwing device is more convenient to use.

Referring to fig. 1 and 2, the torque adjusting mechanism 6 includes a fixing bracket 61 disposed on the body of the rotating unit 4, an adjusting rotating shaft 62 rotatably disposed on the fixing bracket 61 and coaxially disposed with the driving end of the rotating unit 4, a first clutch 63 disposed on the driving end, a second clutch 64 movably disposed at the end of the adjusting rotating shaft 62 and capable of rotating together with the adjusting rotating shaft 62, an elastic member 65 disposed between the adjusting rotating shaft 62 and the second clutch 64, and an adjusting unit 7 disposed on the fixing bracket 61 for adjusting the distance between the operating rotating shaft and the adjusting rotating shaft 62.

The whole U-shaped fixing support 61 and the main part of fixing support 61 and the mutual parallel arrangement of regulation pivot 62, the drive end that adjusts pivot 62 and rotation unit 4 runs through the both ends setting of fixing support 61 respectively, can adjust the position of regulation pivot 62 and second clutch 64 through regulating unit 7 when needing big torsion output, make first clutch 63 and second clutch 64 press close to each other, second clutch 64 also presses close to each other with the tip of adjusting pivot 62, just so can export maximum torsion.

When small torque output is needed, the distance between the first clutch member 63 and the second clutch member 64 can be increased through the adjusting unit 7, the first clutch member 63 and the meshing teeth on the second clutch member 64 are partially meshed, and the second clutch member 64 and the adjusting rotating shaft 62 have a partial buffering distance under the action of the elastic member 65, so that when the torque received by the fastener is too large, the second clutch member 64 can compress the elastic member 65 under the action of the meshing teeth on the first clutch member 63, the first clutch member 63 is separated from the second clutch member 64, the fastener is prevented from being damaged due to the too large torque, and the linkage screw rotating device is safer and more reliable to use.

Referring to fig. 1 and 2, the first clutch member 63 and the second clutch member 64 each include a cylinder and engagement teeth disposed on an end of the cylinder and uniformly disposed around an axis of the cylinder, and transition rounded corners are disposed on two sides of a top of the engagement teeth. The transition fillets can enable the first clutch piece 63 and the second clutch piece 64 to be disengaged from each other more conveniently when smaller torque force is needed for the first clutch piece 63 and the second clutch piece 64, and meanwhile, the abrasion of the meshing teeth can be prevented.

As a specific embodiment of the multifunctional screw tightening device provided by the present invention, please refer to fig. 1 and fig. 2, the adjusting unit 7 includes a mounting sleeve 71 disposed on the fixing bracket 61 and coaxially disposed with the adjusting rotating shaft 62, and an adjusting collar 72 sleeved outside the mounting sleeve 71 and in threaded connection with the mounting sleeve 71, the adjusting rotating shaft 62 is rotatably disposed in the mounting sleeve 71, the inner wall of the adjusting collar 72 is further provided with a sliding ring groove, the circumference of the adjusting rotating shaft 62 is further provided with a sliding convex ring, and the sliding convex ring is clamped in the sliding ring groove. The adjusting rotating shaft 62 can move along with the adjusting nut along the axial direction of the mounting sleeve 71 while the rotation is ensured, when the positions of the adjusting rotating shaft 62 and the second clutch piece 64 need to be adjusted, the axial movement of the adjusting nut and the second clutch piece 64 along the adjusting rotating shaft 62 can be realized by rotating the adjusting nut, and the distance between the first clutch piece 63 and the second clutch piece 64 can be adjusted more conveniently.

In this embodiment, the elastic member 65 is preferably a spring, the inside of the adjusting rotating shaft 62 is a hollow structure, the elastic member 65 is disposed in the adjusting rotating shaft 62, the side surface of the second clutch member 64 is provided with an installation handle, the installation handle is disposed inside the adjusting rotating shaft 62, and the surface of the installation handle is further provided with an anti-rotation protrusion arranged along the length direction of the installation handle, the anti-rotation protrusions are uniformly distributed along the circumferential direction of the installation handle, the inner wall of the adjusting rotating shaft 62 is further provided with a clamping groove, and the second clutch member 64 and the adjusting rotating shaft 62 can rotate together while the relative sliding is ensured.

Referring to fig. 1 and 2, the clamping head 5 includes a fixing sleeve 51 disposed at a driving end of the rotating unit 4, an adjusting sleeve 52 sleeved outside the fixing sleeve 51, a plurality of clamping blocks 53 having one end hinged to an end surface of the fixing sleeve 51 and the other end located in the fixing sleeve 51, and a plurality of driving rods 54 having one end hinged to an end surface of the adjusting sleeve 52 and the other end hinged to a middle portion of the clamping blocks 53, wherein the clamping blocks 53 are uniformly distributed around an axis of the fixing sleeve 51, and a fixing unit for fixing the adjusting sleeve 52 is disposed between the adjusting sleeve 52 and the fixing sleeve 51.

The number of the clamping blocks 53 is preferably six, which corresponds to the number of the sides of the socket cap screw, the clamping blocks 53 enclose a clamping space for clamping a nut of a fastener, the angle of the clamping blocks 53 can be adjusted by rotating the adjusting sleeve 52 through the driving rod 54, so that the area of the clamping space can be adjusted, the purpose of convenient adjustment according to the size of the nut can be realized, and the adjusting sleeve 52 and the fixing sleeve 51 are fixed through the fixing unit after the adjusting sleeve is adjusted in place.

Referring to fig. 1 and 2, the fixing unit is a locking rod 55 disposed on the adjusting sleeve 52, the locking rod 55 penetrates through a sidewall of the adjusting sleeve 52 and is in threaded connection with the adjusting sleeve 52, and an end of the locking rod 55 abuts against an outer wall of the fixing sleeve 51. The end of the locking rod can abut against the outer wall of the fixed sleeve 51 by rotating the locking rod body 55, so that the fixed sleeve 51 and the adjusting sleeve 52 are fixed, and the fixed sleeve 51 and the adjusting sleeve 52 are more convenient to fix.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a multi-functional screw screwing device, its characterized in that is in including supporting the support body, setting support fixed horizontal pole, setting on the support body top and be in fixed horizontal pole is kept away from angle adjusting rod group and setting on the support body end of body are in rotation unit on the angle adjusting rod group, still be provided with the clamp head that clamps that is used for chucking fixed fastening spare on rotation unit's the drive end, clamp head dismantlement sets up on rotation unit's drive end and can rotate along with the drive end, clamp the clamp head and rotate around the axle center under rotation unit's drive, accessible angle adjusting rod group adjusts the axle center direction that clamps the clamp head.

2. The multi-functional screw tightening device according to claim 1, wherein the angle adjusting lever set comprises a first rotation block with an end portion hinged to the end portion of the fixed cross rod and capable of horizontally rotating, a first rotation rod with an end portion hinged to the first rotation block and a rotation axis perpendicular to the rotation axis of the first rotation block, a second rotation block with a rotation axis parallel to the rotation axis of the first rotation rod and hinged to the other end of the first rotation rod, and a second rotation rod rotatably disposed on the second rotation block, and the clamping head is detachably disposed at the end portion of the second rotation rod away from the second rotation.

3. The multi-functional screw tightening device according to claim 2, wherein an adjusting unit for adjusting the angle of the first rotation lever is further provided between the first rotation block and the first rotation lever.

4. The multi-functional screw tightening device according to claim 1, wherein the adjusting unit is an electric push rod disposed between the first rotation block and the first rotation rod, and one end of the electric push rod is hingedly disposed on the first rotation block and the other end is hingedly disposed on the first rotation rod.

5. The multifunctional screw tightening device according to claim 1, wherein a torque adjusting mechanism is further provided between the clamping head and the driving end of the rotation unit for adjusting the amount of the torque output from the rotation unit, and the clamping head is connected to the driving end via the torque adjusting mechanism.

6. The multifunctional screw tightening device according to claim 5, wherein the torque force adjusting mechanism includes a fixing bracket provided on the rotating unit body, an adjusting shaft rotatably provided on the fixing bracket and coaxially provided with the driving end of the rotating unit, a first clutch member provided on the driving end, a second clutch member movable at an end of the adjusting shaft and rotatable together with the adjusting shaft, an elastic member provided between the adjusting shaft and the second clutch member, and an adjusting unit provided on the fixing bracket for adjusting a distance between the operating shaft and the adjusting shaft.

7. The multi-functional screw tightening device of claim 6, wherein the first clutch and the second clutch each include a barrel and engagement teeth disposed on an end of the barrel and uniformly disposed around an axis of the barrel, and transition fillets are disposed on both sides of a top of the engagement teeth.

8. The multifunctional screw tightening device according to claim 6, wherein the adjusting unit comprises a mounting sleeve disposed on the fixing bracket and coaxially disposed with the adjusting rotating shaft, and an adjusting collar sleeved outside the mounting sleeve and threadedly connected to the mounting sleeve, the adjusting rotating shaft is rotatably disposed in the mounting sleeve, a sliding ring groove is further disposed on an inner wall of the adjusting collar, and a sliding convex ring is further disposed on a circumference of the adjusting rotating shaft and is clamped in the sliding ring groove.

9. The multifunctional screw tightening device according to claim 1, wherein the clamping clamp head comprises a fixing sleeve disposed at a driving end of the rotation unit, an adjusting sleeve disposed outside the fixing sleeve, a plurality of clamping blocks having one end hinged to an end surface of the fixing sleeve and the other end located in the fixing sleeve, and a plurality of driving rods having one end hinged to an end surface of the adjusting sleeve and the other end hinged to a middle portion of the clamping blocks, wherein the plurality of clamping blocks are uniformly distributed around an axial center of the fixing sleeve, and a fixing unit for fixing the adjusting sleeve is further disposed between the adjusting sleeve and the fixing sleeve.

10. The multi-functional screw tightening device according to claim 9, wherein the fixing unit is a locking rod provided on the adjusting sleeve, the locking rod being provided through a side wall of the adjusting sleeve and threadedly coupled to the adjusting sleeve, an end portion of the locking rod abutting against an outer wall of the fixing sleeve.