CN112207748B

CN112207748B - Spanner for fastening high-strength bolt

Info

Publication number: CN112207748B
Application number: CN202011064793.5A
Authority: CN
Inventors: 巩向恩
Original assignee: China Construction Fifth Engineering Bureau Co Ltd
Current assignee: China Construction Fifth Engineering Bureau Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2022-03-04
Anticipated expiration: 2040-09-30
Also published as: CN112207748A

Abstract

The invention relates to the technical field of wrenches, in particular to a wrench for fastening a high-strength bolt, which comprises a sleeve, a sleeve column and a fixed column, wherein the sleeve column is rotatably connected with the connected column in an internal rotating manner, the top end of the connected column is provided with a square through groove which longitudinally penetrates through the connected column, the upper side of the right end of the fixed column is provided with a first groove, the first groove is fixedly connected with a first fixed pipe in the internal rotating manner, the outer side of the right end of the first fixed pipe is sleeved with a second fixed pipe, the right end of the second fixed pipe is fixedly connected with a fixed handle, the right end of the fixed handle is provided with a rotating groove, the rotating groove is rotatably connected with a rotating ring in the internal rotating manner, the right end of the rotating ring is fixedly connected with a rotating column, and the left end of the rotating column is rotatably matched with the right end of the fixed handle; it is convenient for adjust the length of handle, can make the reinforcing bolt fastening to required dynamics, has improved the stability of reinforcing bolt fastening, and the sleeve of being convenient for to change different models is fixed the high strength bolt of different specifications, improves the practicality of its use.

Description

Spanner for fastening high-strength bolt

Technical Field

The invention relates to the technical field of wrenches, in particular to a wrench for fastening a high-strength bolt.

Background

The high-strength bolt is a high-strength bolt and belongs to a standard part. Generally, the high-strength bolt can bear larger load than a common bolt with the same specification, and the high-strength bolt is mainly applied to steel structure engineering. One very important feature of high strength bolts is their limited single use, which is commonly used for permanent connections and strictly prohibited for repeated use.

The existing common spanner for fastening the reinforcing bolt is provided with a socket spanner, the handle of the existing socket spanner is too short, when the reinforcing bolt is fastened, great strength is needed, the working strength of a worker is increased, sometimes, the required strength cannot be screwed, the fastening stability of the reinforcing bolt is reduced, and the use practicability of the reinforcing bolt is reduced, although the CN210361087U patent document realizes the telescopic change, in addition, the existing spanner needs to be repeatedly disassembled after the bolt is rotated for a certain angle due to the fact that the part of the circumference of the bolt to be fastened is blocked, and then the bolt is driven to rotate, the problem is more serious when the length of the spanner is longer, if the length of the spanner is shorter, the problem that the strength of the working of the worker is increased can exist.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the wrench for fastening the high-strength bolt, which is convenient for adjusting the length of the handle, can fasten the reinforcing bolt to the required strength, improves the fastening stability of the reinforcing bolt, is convenient for replacing sleeves of different types to fix the high-strength bolts of different specifications and improves the practicability of the use.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a wrench for fastening a high-strength bolt comprises a sleeve, a sleeve column and a fixed column, wherein a circular groove which penetrates longitudinally is arranged at the top end of the sleeve column, a connecting column is rotatably connected inside the circular groove, a square through groove which penetrates longitudinally is arranged at the top end of the connecting column, an annular groove is arranged on the outer side wall of the circular groove, a plurality of first clamping teeth are uniformly and fixedly connected inside the annular groove, four first sliding grooves are arranged inside the connecting column in a circular array, a first sliding plate is arranged inside the first sliding grooves in a sliding manner, one end, close to the square through groove, of the first sliding plate is fixedly connected with a plurality of first compression springs, one end, far away from the square through groove, of the first sliding plate is fixedly connected with a first connecting block, one end, far away from the first sliding plate, of the first connecting block extends to the inside of the annular groove and is fixedly connected with a plurality of second clamping teeth, the plurality of second clamping teeth are respectively matched with the plurality of first clamping teeth, the top end of the sleeve and the bottom end of the fixed column are both fixedly connected with the square column, the two square columns are inserted into the square through grooves, a first groove is formed in the upper side of the right end of each fixing column, a first fixing pipe is fixedly connected into the first groove, a second fixing pipe is sleeved on the outer side of the right end of the first fixing pipe, a first fixing ring is fixedly connected to the outer side of the right end of the first fixing pipe, the outer side wall of the first fixing ring is in sliding fit with the inner side wall of the second fixing pipe, a second fixing ring is fixedly connected to the left side of the inner side wall of the second fixing pipe, the inner side wall of the second fixing ring is in sliding fit with the outer side wall of the first fixing pipe, a fixing handle is fixedly connected to the right end of the second fixing pipe, a connecting pipe is fixedly connected to the left end of the fixing handle, a rubber sleeve is fixedly connected into the first fixing pipe at the left end of the connecting pipe, the outer side wall of the rubber sleeve is in sliding fit with the inner side wall of the first fixing pipe, and a second groove is formed in the left end of the rubber sleeve, the right-hand member of second recess is through circular logical groove and connecting pipe switch-on, the right-hand member of fixed handle is provided with the turn trough, the inside rotation of turn trough is rotated and is connected with the change, the right-hand member fixedly connected with turn column of change, the left end of turn column and the right-hand member normal running fit of fixed handle, the inside of fixed handle is provided with the square groove, the inside slip of square groove is provided with the square, the right-hand member fixedly connected with screw rod of square, the left end fixedly connected with screwed pipe of turn column, the left end of screwed pipe extends to the inside of square groove and the spiral shell dress in the outside of the right-hand member of screw rod, the left end fixedly connected with pull rod of square, the left end of pull rod inserts first pipe and circular logical groove and extends to the inside of second recess, the left end fixedly connected with toper post of pull rod, the right-hand member of toper post inserts the inside of second recess.

Preferably, the inside of square column all is provided with the second spout, and the inside slip of second spout is provided with two second slides, and the inside of second spout is provided with second compression spring, and second compression spring's both ends contact with the one end that two second slides are relative respectively, and the first card post of the equal fixedly connected with of one end that second compression spring was kept away from to two second slides, the left end upside, the left end downside, the right-hand member upside and the right-hand member downside of the inside of square through groove all are provided with first draw-in groove, first card post and first draw-in groove looks adaptation.

Preferably, the upper right side and the lower right side of the inside of fixed handle all are provided with the third spout, and the inside of third spout slides and is provided with the third slide, and the left end fixedly connected with third compression spring of third slide, the right-hand member fixedly connected with second card post of third slide, the left end of changeing the post is circular array and is provided with a plurality of second draw-in grooves, second card post and second draw-in groove looks adaptation.

Preferably, the right end of the rotary column is fixedly connected with a hanging ring.

Preferably, the outer side walls of the second fixing pipe and the fixing handle are provided with anti-skid grains.

Preferably, the bottom end of the sleeve is provided with a hexagonal groove.

(III) advantageous effects

Compared with the prior art, the invention provides a high-strength bolt fastening wrench, which has the following beneficial effects:

1. the invention simultaneously realizes the long adjustable length of the wrench, and does not need to repeatedly disassemble the wrench, thereby realizing the high-efficiency fixed locking.

2. This spanner for high strength bolt-up, through the fixed pipe of pulling second, make the fixed pipe of second slide to the right side, through rotating the rotary column, the rotary column rotates and drives the rotary column and rotate, the rotary column rotates and makes the square remove to the rear side, adjust fixed and the sleeve between the distance, alleviate the workman to the rotatory dynamics of high strength screw, workman's labour has been reduced, the dynamics of reinforcing bolt locking has been increased, the steadiness after reinforcing bolt locking is improved, drive pull rod and toper post simultaneously and remove to the right side, the toper post removes to the inner wall of second recess and makes the lateral wall of rubber sleeve fixed with the inside lateral wall of first fixed pipe, thereby make first fixed pipe and the fixed pipe fixed connection of second, improve the stability when rotatory to first fixed pipe and the fixed pipe of second, the security and the practicality of its use have been improved.

3. This spanner for high strength bolt-up through the cooperation of first latch and second latch, has avoided carrying out the in-process that fastens to fixing bolt often taking off the spanner and changing the angle and continue to fasten, can continuously fasten reinforcing bolt, has improved the efficiency to fixing bolt fastening.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top sectional view of the connecting stud and sleeve stud connection of the present invention;

FIG. 3 is an enlarged partial view of FIG. 1 at A according to the present invention;

fig. 4 is a schematic view of the present invention at a portion B in fig. 1.

In the figure: 1. a sleeve; 2. sleeving a column; 3. fixing a column; 4. connecting columns; 5. a first latch; 6. a first slide plate; 7. a first compression spring; 8. a first connection block; 9. a second latch; 10. a square column; 11. a first stationary tube; 12. a second stationary tube; 13. a first retaining ring; 14. a second retaining ring; 15. a fixed handle; 16. a connecting pipe; 17. a rubber sleeve; 18. rotating the ring; 19. turning the column; 20. a square block; 21. a screw; 22. a solenoid; 23. a pull rod; 24. a tapered post; 25. a second slide plate; 26. a second compression spring; 27. a first clamp post; 28. a third slide plate; 29. a third compression spring; 30. a second clamping column; 31. a lifting ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, a wrench for fastening a high-strength bolt comprises a sleeve 1, a sleeve column 2 and a fixed column 3, wherein a circular groove is longitudinally arranged at the top end of the sleeve column 2, a connecting column 4 is rotatably connected inside the circular groove, a square through groove is longitudinally arranged at the top end of the connecting column 4, an annular groove is arranged on the outer side wall of the circular groove, a plurality of first latches 5 are uniformly and fixedly connected inside the annular groove, four first sliding grooves are arranged inside the connecting column 4 in a circular array, a first sliding plate 6 is slidably arranged inside the first sliding grooves, a plurality of first compression springs 7 are fixedly connected at one end of the first sliding plate 6 close to the square through groove, a first connecting block 8 is fixedly connected at one end of the first sliding plate 6 far away from the square through groove, one end of the first connecting block 8 far away from the first sliding plate 6 extends to a plurality of second latches 9 are fixedly connected inside the annular groove, the plurality of second clamping teeth 9 are respectively matched with the plurality of first clamping teeth 5, square columns 10 are fixedly connected to the top end of the sleeve 1 and the bottom end of the fixed column 3, the two square columns 10 are inserted into the square through groove, a first groove is formed in the upper side of the right end of the fixed column 3, a first fixed pipe 11 is fixedly connected to the inner portion of the first groove, a second fixed pipe 12 is sleeved on the outer side of the right end of the first fixed pipe 11, a first fixed ring 13 is fixedly connected to the outer side of the right end of the first fixed pipe 11, the outer side wall of the first fixed ring 13 is in sliding fit with the inner side wall of the second fixed pipe 12, a second fixed ring 14 is fixedly connected to the left side of the inner side wall of the second fixed pipe 12, the inner side wall of the second fixed ring 14 is in sliding fit with the outer side wall of the first fixed pipe 11, a fixed handle 15 is fixedly connected to the right end of the second fixed pipe 12, a connecting pipe 16 is fixedly connected to the left end of the fixed handle 15, the left end of the connecting pipe 16 is inserted into the first fixing pipe 11, the rubber sleeve 17 is fixedly connected, the outer side wall of the rubber sleeve 17 is in sliding fit with the inner side wall of the first fixing pipe 11, the left end of the rubber sleeve 17 is provided with a second groove, the right end of the second groove is communicated with the connecting pipe 16 through a circular through groove, the right end of the fixing handle 15 is provided with a rotary groove, the inner part of the rotary groove is rotatably connected with a rotary ring 18, the right end of the rotary ring 18 is fixedly connected with a rotary column 19, the left end of the rotary column 19 is rotatably matched with the right end of the fixing handle 15, the inner part of the fixing handle 15 is provided with a square groove, the inner part of the square groove is slidably provided with a square block 20, the right end of the square block 20 is fixedly connected with a screw rod 21, the left end of the rotary column 19 is fixedly connected with a screw pipe 22, the left end of the screw pipe 22 extends into the square groove and is screwed outside the right end of the screw rod 21, the left end of the square block 20 is fixedly connected with a pull rod 23, the left end of the pull rod 23 is inserted into the first round through groove and extends into the circular through groove, the left end of the pull rod 23 is fixedly connected with a conical column 24, the right end of the conical column 24 is inserted into the second groove, the second fixing tube 12 slides towards the right side by pulling the second fixing tube 12, the rotary column 19 is rotated to drive the rotary tube to rotate, the rotary tube rotates to enable the square block 20 to move towards the rear side, the distance between the fixing handle 15 and the sleeve 1 is adjusted, the rotating force of workers on high-strength screws is reduced, the labor force of workers is reduced, the locking force of reinforcing bolts is increased, the stability after the reinforcing bolts are locked is improved, the pull rod 23 and the conical column 24 are driven to move towards the right side, the conical column 24 moves towards the inner wall of the second groove to enable the outer side wall of the rubber sleeve 17 to be fixed with the inner side wall of the first fixing tube 11, so that the first fixing tube 11 is fixedly connected with the second fixing tube 12, and the stability when the first fixing tube 11 and the second fixing tube 12 rotate is improved, the safety and the practicability of the use of the device are improved.

It should be further noted that a second sliding groove is arranged inside the square column 10, two second sliding plates 25 are slidably arranged inside the second sliding groove, a second compression spring 26 is arranged inside the second sliding groove, two ends of the second compression spring 26 are respectively contacted with one end of each of the two second sliding plates 25, which is far away from the second compression spring 26, is fixedly connected with a first clamping column 27, the upper side of the left end, the lower side of the left end, the upper side of the right end and the lower side of the right end of the inside of the square through groove are respectively provided with a first clamping groove, the first clamping column 27 is matched with the first clamping groove, the square column 10 is connected with the connecting column 4 through the first clamping column 27, the upper right side and the lower right side of the inside of the fixing handle 15 are respectively provided with a third sliding groove, a third sliding plate 28 is slidably arranged inside the third sliding groove, the left end of the third sliding plate 28 is fixedly connected with a third compression spring 29, third slide 28's right-hand member fixedly connected with second card post 30, the left end of rotary column 19 is circular array and is provided with a plurality of second draw-in grooves, and second card post 30 and second draw-in groove looks adaptation are fixed rotary column 19 through second card post 30, prevent that rotary column 19 from rotating by oneself, rotary column 19's right-hand member fixedly connected with rings 31 is convenient for hang the spanner in a certain position, the fixed pipe 12 of second all is provided with anti-skidding line with fixed 15 the lateral wall, improves first fixed pipe 11 and fixed 15 surperficial frictional force, improves the security of its use, sleeve 1's bottom is provided with the hexagon recess, and the bolt cap phase-match of hexagon recess and reinforcing bolt is convenient for carry out the screw-up to reinforcing bolt.

In conclusion, when the wrench for fastening the high-strength bolt is used, firstly, the sleeve 1 matched with the reinforcing bolt is selected according to the specification of the reinforcing bolt, the square column 10 on the sleeve 1 is inserted into the bottom of the square through groove, then the hexagonal groove on the sleeve 1 is sleeved on the bolt cap or the nut of the reinforcing bolt, the second fixing pipe 12 is pulled to slide towards the right side, the rotary column 19 is rotated to drive the rotary pipe to rotate through rotating the rotary column 19, the rotary pipe rotates to drive the square block 20 to move towards the rear side, the distance between the fixing handle 15 and the sleeve 1 is adjusted, the rotating force of a worker on the high-strength bolt is reduced, the labor force of the worker is reduced, the locking force of the reinforcing bolt is increased, the stability after the reinforcing bolt is locked is improved, meanwhile, the pull rod 23 and the conical column 24 are driven to move towards the right side, the conical column 24 moves towards the inner wall of the second groove, so that the outer side wall of the rubber sleeve 17 is fixed with the inner side wall of the first fixing pipe 11, thereby make the fixed pipe 12 fixed connection of first fixed pipe 11 and second, improve the stability when fixed pipe 12 is rotatory to first fixed pipe 11 and second, the security and the practicality of its use have been improved, cooperation through first latch 5 and second latch 9, the in-process of having avoided fastening fixing bolt often takes off the spanner and changes the angle and continue fastening, can continuously fasten strengthening the bolt, the efficiency of fastening fixing bolt has been improved, only need when needs are loosened strengthening the bolt 2 change direction can.

Therefore, the invention can realize high-efficiency fixing and locking without repeatedly disassembling the wrench on the basis of longer adjustable length of the wrench.

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

Claims

1. The utility model provides a spanner is used in high-strength bolt-up, includes sleeve (1), cover post (2) and fixed column (3), its characterized in that: the top end of the sleeve column (2) is provided with a circular groove which penetrates longitudinally, the inside of the circular groove is rotatably connected with a connecting column (4), the top end of the connecting column (4) is provided with a square through groove which penetrates longitudinally, the outer side wall of the circular groove is provided with an annular groove, a plurality of first clamping teeth (5) are uniformly and fixedly connected inside the annular groove, the inside of the connecting column (4) is provided with four first sliding grooves in a circular array, a first sliding plate (6) is arranged inside the first sliding grooves in a sliding manner, one end, close to the square through groove, of the first sliding plate (6) is fixedly connected with a plurality of first compression springs (7), one end, far away from the square through groove, of the first sliding plate (6) is fixedly connected with a first connecting block (8), one end, far away from the first sliding plate (6), of the first connecting block (8) extends to the inside of the annular groove and is fixedly connected with a plurality of second clamping teeth (9), and the plurality of second clamping teeth (9) are respectively matched with the first clamping teeth (5), the square columns (10) are fixedly connected to the top end of the sleeve (1) and the bottom end of the fixing column (3), the two square columns (10) are inserted into the square through groove, a first groove is formed in the upper side of the right end of the fixing column (3), a first fixing tube (11) is fixedly connected to the inner portion of the first groove, a second fixing tube (12) is sleeved on the outer side of the right end of the first fixing tube (11), a first fixing ring (13) is fixedly connected to the outer side of the right end of the first fixing tube (11), the outer side wall of the first fixing ring (13) is in sliding fit with the inner side wall of the second fixing tube (12), a second fixing ring (14) is fixedly connected to the left side of the inner side wall of the second fixing tube (12), the inner side wall of the second fixing ring (14) is in sliding fit with the outer side wall of the first fixing tube (11), and a fixing handle (15) is fixedly connected to the right end of the second fixing tube (12), the left end of the fixed handle (15) is fixedly connected with a connecting pipe (16), the left end of the connecting pipe (16) is inserted into the inner part of the first fixed pipe (11) and is fixedly connected with a rubber sleeve (17), the outer side wall of the rubber sleeve (17) is in sliding fit with the inner side wall of the first fixed pipe (11), the left end of the rubber sleeve (17) is provided with a second groove, the right end of the second groove is communicated with the connecting pipe (16) through a circular through groove, the right end of the fixed handle (15) is provided with a rotating groove, the inner part of the rotating groove is rotatably connected with a rotating ring (18), the right end of the rotating ring (18) is fixedly connected with a rotating column (19), the left end of the rotating column (19) is rotatably matched with the right end of the fixed handle (15), the inner part of the fixed handle (15) is provided with a square groove, the square block (20) is slidably arranged in the square groove, the right end of the square block (20) is fixedly connected with a screw rod (21), the left end of the rotating column (19) is fixedly connected with a screw pipe (22), the left end of screwed pipe (22) extends to the inside of square groove and the spiral shell dress is in the outside of the right-hand member of screw rod (21), the left end fixedly connected with pull rod (23) of square (20), the left end of pull rod (23) inserts connecting pipe (16) and circular logical groove and extends to the inside of second recess, the left end fixedly connected with toper post (24) of pull rod (23), the right-hand member of toper post (24) inserts the inside to the second recess.

2. The wrench for fastening the high-strength bolt according to claim 1, wherein: the inside of square column (10) all is provided with the second spout, and the inside of second spout slides and is provided with two second slide (25), and the inside of second spout is provided with second compression spring (26), and the both ends of second compression spring (26) contact with the one end that two second slides (25) are relative respectively, and the equal fixedly connected with of one end of second compression spring (26) is kept away from in two second slides (25) blocks post (27), left end upside, left end downside, right-hand member upside and the right-hand member downside of the inside of square through groove all are provided with first draw-in groove, first card post (27) and first draw-in groove looks adaptation.

3. The wrench for fastening the high-strength bolt according to claim 2, wherein: the fixed upper right side and the lower right side of the inside of (15) all are provided with the third spout, and the inside slip of third spout is provided with third slide (28), and the left end fixedly connected with third compression spring (29) of third slide (28), the right-hand member fixedly connected with second card post (30) of third slide (28), the left end of rotary column (19) is circular array and is provided with a plurality of second draw-in grooves, second card post (30) and second draw-in groove looks adaptation.

4. The wrench for fastening the high-strength bolt according to claim 3, wherein: the right end of the rotary column (19) is fixedly connected with a hanging ring (31).

5. The wrench for fastening the high-strength bolt according to claim 4, wherein: the outer side walls of the second fixing pipe (12) and the fixing handle (15) are provided with anti-skid grains.

6. The wrench for fastening the high-strength bolt according to claim 5, wherein: the bottom end of the sleeve (1) is provided with a hexagonal groove.