CN219170705U

CN219170705U - Double-end screw fastening device of wind power generation gearbox

Info

Publication number: CN219170705U
Application number: CN202222730798.8U
Authority: CN
Inventors: 李松; 何建丰; 李静; 何均祥
Original assignee: Chongqing Shuangchu Mechanical Equipment Co ltd
Current assignee: Chongqing Shuangchu Mechanical Equipment Co ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-06-13
Anticipated expiration: 2032-10-17

Abstract

The utility model relates to the technical field of fastening devices, in particular to a double-headed screw fastening device of a wind power generation gearbox, which comprises a handle shell and fixing pieces, wherein the fixing pieces are provided with two upper ends and two lower ends respectively arranged on the right side surface of the handle shell, the right side surface of the handle shell is provided with a groove, and an adjusting component for adjusting the distance between the two fixing pieces is arranged in the groove; the utility model has the beneficial effects that: through being provided with adjusting part, fixed subassembly, driving handle, transfer line, driving gear and driven gear's mutually supporting to can carry out the accurate butt joint and the fastening installation of double-end screw with the nut in the narrow and small region in space, and the installation procedure is simple swift, has improved wind-powered electricity generation double-end screw's installation effectiveness greatly, can also carry out the spacing fixed of nut of size to double-end screw and the difference of different length simultaneously, make the device can fasten not unidimensional double-end screw, be favorable to improving the application scope of device to double-end screw fastening installation.

Description

Double-end screw fastening device of wind power generation gearbox

Technical Field

The utility model relates to the technical field of fastening devices, in particular to a double-head screw fastening device of a wind power generation gearbox.

Background

The double-ended screw is also called a double-ended bolt or a double-ended stud, is a part with threads at two ends and a screw in the middle, is widely used in the assembly and the installation of power machines such as a wind power generation gearbox, and when the double-ended screw is installed on the wind power generation gearbox, the double-ended screw needs to be fastened on the wind power generation gearbox through a fastening device so as to ensure the normal use of the wind power generation gearbox.

At present, the existing fastening device can conveniently fasten nuts after fixing double-headed screws in the use process, and when the wind power generation gearbox is installed, the installation process is complicated due to the fact that the internal installation space of the existing fastening device is narrow, so that the installation efficiency of the double-headed screws can be affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double-ended screw fastening device for a wind power generation gearbox, which solves the problems in the prior art.

The technical scheme adopted for solving the technical problems is as follows: the double-headed screw fastening device for the wind power generation gearbox comprises a handle shell and fixing pieces, wherein the two fixing pieces are arranged at the upper end and the lower end of the right side surface of the handle shell respectively;

the handle is characterized in that the right side face of the handle shell is provided with a groove, two adjusting components for adjusting the distance between the fixing pieces are arranged in the groove, fasteners are arranged in the middle section in the fixing pieces, a fastening groove is formed in the fasteners, and a plurality of fixing components are arranged in the fastening groove.

Further, the adjusting component comprises a double-thread screw and a thread block, the double-thread screw is rotationally connected in the groove, the thread block is provided with two blocks in total and is respectively in threaded sleeve connection with the upper end and the lower end of the double-thread screw, the upper end of the double-thread screw penetrates out of the upper end of the handle shell and is fixedly provided with a first rotating block, and the outer end of the thread block is fixedly connected with the adjacent fixing piece.

Further, a sliding groove is formed in the left side wall of the groove, sliding blocks are slidably connected to the upper end and the lower end of the sliding groove, and the outer ends of the sliding blocks are fixedly connected with the adjacent threaded blocks.

Further, the fastener of upper end rotates and runs through in the mounting of upper end, the fastener of lower extreme is fixed run through in the mounting of lower extreme the mounting bottom fixed mounting of lower extreme has a positioning cylinder, be equipped with spacing screw thread on the inner wall of positioning cylinder, two the central axis of fastener with the central axis of positioning cylinder is on same straight line.

Further, the upper end the inside left side of mounting rotates and runs through there is the transfer line, transfer line bottom fixed mounting has the driving gear, the upper end the fastener outside fixed socket joint with the driven gear of driving gear meshing, the fixed handle that has cup jointed of transfer line upper end.

Further, fixed subassembly includes lead screw and arc splint, the lead screw rotate run through in the fastener, arc splint contact in the lead screw inner, arc splint lateral surface with fixed mounting has the cover to be located between the fastening groove inner wall the outside spring of lead screw, the equal fixedly connected with gag lever post in both ends of arc splint lateral surface, the outer pot head of gag lever post is equipped with a spacing section of thick bamboo, spacing section of thick bamboo outer end with fastening groove inner wall fixed connection, lead screw outer end fixed mounting has rotation piece two.

Compared with the prior art, the utility model has the beneficial effects that:

through being provided with adjusting part, fixed subassembly, driving handle, transfer line, driving gear and driven gear's mutually supporting to can carry out the accurate butt joint and the fastening installation of double-end screw with the nut in the narrow and small region in space, and the installation procedure is simple swift, has improved wind-powered electricity generation double-end screw's installation effectiveness greatly, can also carry out the spacing fixed of nut of size to double-end screw and the difference of different length simultaneously, make the device can fasten not unidimensional double-end screw, be favorable to improving the application scope of device to double-end screw fastening installation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of the utility model at A;

FIG. 3 is a schematic top cross-sectional view of the fastener of the present utility model;

the marks in the figure: the handle shell 1, the fixing piece 2, the groove 3, the double-thread screw 4, the thread block 5, the chute 6, the sliding block 7, the first rotating block 8, the fastening piece 9, the fastening groove 10, the driven gear 11, the transmission handle 12, the transmission rod 13, the driving gear 14, the positioning cylinder 15, the limiting thread 16, the arc clamping plate 17, the screw rod 18, the limiting cylinder 19, the limiting rod 20, the spring 21 and the second rotating block 22.

Detailed Description

As shown in fig. 1 to 3, the present utility model provides a technical solution: the double-headed screw fastening device of the wind power generation gearbox comprises a handle shell 1 and a fixing piece 2, wherein the fixing piece 2 is provided with two parts in total and is respectively arranged at the upper end and the lower end of the right side surface of the handle shell 1;

the right side face of the handle shell 1 is provided with a groove 3, an adjusting component used for adjusting the distance between two fixing pieces 2 is arranged in the groove 3, the adjusting component comprises a double-thread screw 4 and a thread block 5, the double-thread screw 4 is rotationally connected in the groove 3, the thread block 5 is provided with two blocks in total and is respectively in threaded sleeve joint with the upper end and the lower end of the double-thread screw 4, the upper end of the double-thread screw 4 penetrates out of the upper end of the handle shell 1 and is fixedly provided with a rotating block I8, the outer end of the thread block 5 is fixedly connected with the adjacent fixing pieces 2, the left side wall in the groove 3 is provided with a sliding groove 6, the upper end and the lower end in the sliding groove 6 are both in sliding connection with a sliding block 7, and the outer end of the sliding block 7 is fixedly connected with the adjacent thread block 5;

specifically, when using, rotate rotating block one 8 earlier for rotating block one 8 can drive double-thread screw 4 and rotate, and pivoted double-thread screw 4 can drive two screw blocks 5 and carry out relative or back to back motion, make two screw blocks 5 can drive two mounting 2 respectively and carry out relative or back to back motion, thereby make two mounting 2 carry out spacing fixed to the double-end screw of different length, be favorable to improving the application scope of device to double-end screw fastening installation, and can carry out relative or back to back motion in spout 6 at two screw block 5 in-process that removes respectively two sliding blocks 7, be favorable to improving the stability that screw block 5 removed.

The middle sections in the two fixing pieces 2 are respectively provided with a fixing piece 9, a fixing groove 10 is formed in each fixing piece 9, a plurality of fixing components are arranged in each fixing groove 10, each fixing piece 9 at the upper end is fixedly sleeved with a driven gear 11 meshed with each driving gear 14 in a rotating mode, each fixing piece 9 at the lower end is fixedly sleeved with a transmission handle 12, each fixing component comprises a lead screw 18 and an arc clamping plate 17, a positioning cylinder 15 is fixedly arranged at the bottom of each fixing piece 2 at the lower end, limiting threads 16 are arranged on the inner wall of each positioning cylinder 15, the central axes of the two fixing pieces 9 and the central axis of each positioning cylinder 15 are on the same straight line, a transmission rod 13 is rotatably arranged at the left side in each fixing piece 2 at the upper end in a penetrating mode, a driving gear 14 is fixedly arranged at the bottom of each transmission rod 13, each fixing piece 9 at the upper end is fixedly sleeved with a driven gear 11 meshed with each driving gear 14 in a sleeved mode, each fixing component comprises a lead screw 18 and an arc clamping plate 17, each lead screw 18 is rotatably sleeved in each fixing piece 9, each fixing clamp plate 17 is contacted with each fixing piece 17, two limiting blocks 20 are fixedly arranged at the outer sides of the two limiting sleeves 20 of the two ends of the lead screw 18, and the two limiting sleeves 20 are fixedly connected with the two limiting sleeves 20 are fixedly arranged at the two outer sides of the two ends of the inner ends of each limiting sleeve 20;

further, when the space between the two fixing pieces 2 is adjusted, the second rotating block 22 can be rotated, the second rotating block 22 can drive the screw rod 18 to rotate outwards, so that the arc clamping plates 17 are clung to the inner wall of the fastening groove 10 under the tension of the spring 21, nuts with different sizes can be conveniently placed subsequently, then the nuts at the bottoms of the double-headed screws are arranged on the double-headed screws, the bottoms of the double-headed screws penetrate through the fastening pieces 9 in the fixing pieces 2 at the lower ends and are connected in the positioning cylinder 15 in a threaded manner, then the nuts above the double-headed screws are placed in the fastening groove 10 in the fastening piece 9 at the upper end, then the screw rod 18 is driven to rotate by the second rotating block 22, so that the screw rod 18 can move towards the center in the fastening groove 10, and the five arc clamping plates 17 are abutted and extruded to be close to the center of the fastening groove 10, until the nut at the center of the fastening groove 10 is clamped and fixed, the top end of the double-headed screw passes through the fixed hole of the gearbox to be installed, at the moment, the rotating block I8 and the transmission handle 12 are rotated at the same time, the rotating block I8 drives the double-threaded screw 4 to rotate, so that the double-threaded screw 4 drives the two threaded blocks 5 to perform relative movement, the two threaded blocks 5 respectively drive the two fixing pieces 2 to perform relative movement, the nut in the fastening groove 10 at the upper end can be butted with the double-headed screw, at the moment, the transmission handle 12 drives the transmission rod 13 to rotate, the transmission rod 13 drives the driving gear 14 to be meshed with the driven gear 11, the meshing of the driving gear 14 and the driven gear 11 drives the fastener 9 at the upper end to rotate, and the nut can be fastened on the double-headed screw, so that the installation process of the double-headed screw is simple to operate, the installation efficiency of double-end screw has been promoted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a wind power generation gearbox double-end screw fastener, includes handle shell (1) and mounting (2), mounting (2) be equipped with two altogether and set up respectively in the upper and lower both ends of handle shell (1) right flank, its characterized in that:

the novel handle is characterized in that the right side face of the handle shell (1) is provided with a groove (3), adjusting components used for adjusting the distance between the fixing pieces (2) are arranged in the groove (3), the middle sections in the fixing pieces (2) are provided with fastening pieces (9), fastening grooves (10) are formed in the fastening pieces (9), and a plurality of fixing components are arranged in the fastening grooves (10).

2. A wind power generation gearbox double-ended screw fastening device according to claim 1, characterized in that: the adjusting component comprises a double-thread screw (4) and a thread block (5), the double-thread screw (4) is rotationally connected to the groove (3), the thread block (5) is provided with two blocks in total and is respectively in threaded connection with the upper end and the lower end of the double-thread screw (4), the upper end of the double-thread screw (4) penetrates out of the upper end of the handle shell (1) and is fixedly provided with a rotating block I (8), and the outer end of the thread block (5) is fixedly connected with the adjacent fixing piece (2).

3. A wind power generation gearbox double-ended screw fastening device according to claim 2, characterized in that: the sliding groove (6) is formed in the left side wall inside the groove (3), sliding blocks (7) are slidably connected to the upper end and the lower end inside the sliding groove (6), and the outer ends of the sliding blocks (7) are fixedly connected with the adjacent threaded blocks (5).

4. A wind power generation gearbox double-ended screw fastening device according to claim 1, characterized in that: the fastener (9) of upper end rotate run through in mounting (2) of upper end, fastener (9) of lower extreme are fixed run through in mounting (2) of lower extreme mounting (2) bottom fixed mounting has a positioning tube (15), be equipped with spacing screw thread (16) on the inner wall of positioning tube (15), two the central axis of fastener (9) with the central axis of positioning tube (15) is on same straight line.

5. A wind power generation gearbox double-ended screw fastening device according to claim 1, characterized in that: the inside left side rotation of mounting (2) of upper end is run through there is transfer line (13), transfer line (13) bottom fixed mounting has driving gear (14), the upper end fastener (9) outside fixed cup joint with driven gear (11) of driving gear (14) meshing, transfer line (13) upper end fixed cup joint transmission handle (12).

6. A wind power generation gearbox double-ended screw fastening device according to claim 1, characterized in that: the fixing assembly comprises a screw rod (18) and an arc clamping plate (17), the screw rod (18) rotates and penetrates through the fastening piece (9), the arc clamping plate (17) is in contact with the inner end of the screw rod (18), a spring (21) sleeved outside the screw rod (18) is fixedly arranged between the outer side surface of the arc clamping plate (17) and the inner wall of the fastening groove (10), limiting rods (20) are fixedly connected to the two ends of the outer side surface of the arc clamping plate (17), limiting cylinders (19) are sleeved at the outer ends of the limiting rods (20), the outer ends of the limiting cylinders (19) are fixedly connected with the inner wall of the fastening groove (10), and rotating blocks II (22) are fixedly arranged at the outer ends of the screw rod (18).