CN111390796A

CN111390796A - Fixed spanner

Info

Publication number: CN111390796A
Application number: CN202010307682.6A
Authority: CN
Inventors: 刘程; 孔祥美
Original assignee: Guangdong Power Grid Co Ltd; Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Shantou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-07-10

Abstract

The invention relates to the technical field of tools, and discloses a fixed wrench which is used for fixing a bolt when a nut on the bolt is installed or disassembled and comprises a handle, a fixed head and a clamping joint, wherein the fixed head is positioned at one end of the handle and is provided with a hexagonal groove for accommodating the end head of the bolt; the clamping head is located at the other end of the handle, extends towards the opening direction of the hexagonal groove and is used for clamping the handle and the fixing head to fix the bolt. According to the invention, the clamping joint is arranged at one end of the handle far away from the fixing head, so that the handle and the fixing head can be fixed, the end of the bolt in the fixing head can be fixed, and the problem that the bolt cannot be installed and detached due to the sliding of the bolt is effectively prevented; and the problems of inconvenient operation and low efficiency caused by the installation and the disassembly of the nuts on the bolts by two wrenches. In addition, the invention is also additionally provided with an adjusting part for adjusting the distance between the adjusting head and the side wall of the hexagonal groove, thereby realizing the fixation of bolts with different specifications and models.

Description

Fixed spanner

Technical Field

The invention relates to the technical field of tools, in particular to a fixed wrench.

Background

At present, transmission tower bolt is when fastening or dismantling, in order to prevent that the bolt from skidding, two spanners are held to operating personnel, and hexagonal bolt end is fixed on one hand, and hexagonal bolt is fastened or dismantled on the other hand, and operation process efficiency is lower, especially in constrictive operation space, and operating personnel both hands operate inconveniently, often can't fix hexagonal bolt end.

Therefore, a fixed wrench is needed to solve the above problems.

Disclosure of Invention

Based on the above, the present invention is directed to a fixing wrench, which can fix a bolt when a nut on the bolt is mounted or dismounted, so that the operation is more convenient and the efficiency is higher.

In order to achieve the purpose, the invention adopts the following technical scheme:

a holding wrench for holding a bolt while installing or removing a nut on the bolt, comprising:

a handle;

the fixing head is positioned at one end of the handle, is provided with a hexagonal groove and is used for accommodating the end head of the bolt;

the joint is located the other end of handle, and the orientation the opening direction in hexagonal groove extends, is used for the joint the handle with fixed head is with fixed the bolt.

As a preferable scheme of the fixed wrench, a first magnet is provided at the bottom of the hexagonal groove to fix the bolt tip to the hexagonal groove.

As a preferable scheme of the fixed wrench, a second magnet is arranged on one side of the handle close to the clamping head to fix the handle.

As a preferable mode of the fixed wrench, the handle is further provided with an adjusting portion to adjust a sectional area of the hexagonal groove.

As a preferable aspect of the set wrench, the adjusting portion includes:

the adjusting cavity is arranged in the handle and is communicated with the hexagonal groove;

the adjusting rod is arranged in the adjusting cavity in a sliding manner;

the adjusting head is arranged at one end of the adjusting rod and is arranged in the hexagonal groove, the adjusting head is Y-shaped and is fixed with the side wall of the hexagonal groove at the end of the bolt.

As a preferable scheme of the fixed wrench, the length of the adjusting cavity is greater than that of the adjusting rod.

As a preferred scheme of fixed spanner, be provided with the intercommunication on the handle adjust the regulation hole in chamber, the downthehole rotation of regulation is provided with adjusting roller, adjusting roller is last to be provided with the screw thread, be provided with on the regulation pole with the adjusting groove of threaded engagement on the adjusting roller rotates adjusting roller with adjust the head with the distance of hexagon groove lateral wall.

As a preferred scheme of fixed spanner, the one end of regulation hole is provided with the hole of changeing, the other end be provided with the hole of changeing down that the hole corresponds on, the regulation gyro wheel rotate set up in the hole of changeing with down downthehole.

As a preferable mode of the fixed wrench, the opening direction of the adjusting hole is opposite to the opening direction of the hexagonal groove.

As a preferable scheme of the fixed wrench, the fixing head and the handle are welded.

The invention has the beneficial effects that: the clamping joint is arranged at one end of the handle, which is far away from the fixing head, so that the handle and the fixing head can be fixed, the end of a bolt in the fixing head can be fixed, and the problem that the bolt cannot be installed and detached due to slipping is effectively solved; and the problems of inconvenient operation and low efficiency caused by the installation and the disassembly of the nuts on the bolts by two wrenches. Adopt above-mentioned fixed spanner, at first place the fixed head in with the bolt end, then with joint on transmission tower, the bolt is fixed relatively with the position of this spare part this moment, and operating personnel can install and dismantle the nut through ordinary spanner, easy operation, efficient.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention 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 for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

FIG. 1 is a front view of a fixed wrench according to an embodiment of the present invention;

FIG. 2 is a side view of a holding wrench according to one embodiment of the present invention;

FIG. 3 is a schematic view of a fixed wrench according to an embodiment of the present invention;

FIG. 4 is a front view of a fixed wrench according to a second embodiment of the present invention;

FIG. 5 is a side view of a holding wrench according to a second embodiment of the present invention;

FIG. 6 is an enlarged partial schematic view at A of FIG. 4;

fig. 7 is a schematic view of a fixed wrench according to a second embodiment of the present invention.

In the figure:

100-transmission towers;

1-a handle; 11-a second magnet; 12-a conditioning chamber; 13-a conditioning aperture; 131-upper rotating holes; 132-down-rotation holes;

2-fixing the head; 21-hexagonal groove; 22-a first magnet;

3-a bayonet joint;

4-an adjustment section; 41-adjusting rod; 411-adjustment grooves; 42-an adjustment head; 43-adjusting rollers; 431-upper rotating shaft; 432-lower spindle.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.

Example one

As shown in fig. 1-3, the present embodiment provides a fixed wrench, which can be used to fix a bolt when a nut on the bolt is installed or removed, the fixed wrench includes a handle 1, a fixing head 2 and a clamping head 3, the fixing head 2 is located at one end of the handle 1, and is provided with a hexagonal groove 21 for accommodating an end of the bolt; the clamping joint 3 is positioned at the other end of the handle 1, extends towards the opening direction of the hexagonal groove 21 and is used for clamping the handle 1 and the fixing head 2 to fix the bolt.

The clamping joint 3 is arranged at one end of the handle 1, which is far away from the fixing head 2, so that the handle 1 and the fixing head 2 can be fixed, the end heads of bolts in the fixing head 2 can be fixed, and the problem that the bolts cannot be installed and disassembled due to slipping is effectively solved; and the problems of inconvenient operation and low efficiency caused by the installation and the disassembly of the nuts on the bolts by two wrenches. Adopt above-mentioned fixed spanner, at first arrange the bolt end in fixed head 2, then with joint 3 joint on transmission tower 100, the bolt is fixed relatively with transmission tower 100's position this moment, and operating personnel can install and dismantle the nut through ordinary spanner, easy operation, efficient.

The fixing wrench provided in the present embodiment will be described below by taking an example of mounting or dismounting a nut on a bolt on a transmission tower 100.

Specifically, fixed head 2 is made by the steel material, hexagonal groove 21 and bolt end cooperation for the holding bolt end, fixed head 2's outside is circular, handle 1 and joint 3 are also made by the steel material, fixed head 2 adopts welded connection with handle 1, handle 1 and joint 3 adopt integrated into one piece, handle 1 and joint 3 wholly are L types, can adopt the technology of bending to process, it is worth explaining, joint 3 extends and sets up perpendicularly with handle 1 along the open-ended direction of hexagonal groove 21, be convenient for after fixed head 2 is arranged in to the bolt end, joint 3 can the joint on transmission tower 100, play the effect that prevents the bolt and skid, in order to realize the fixed of bolt.

Since the bolts on the transmission tower 100 have different installation directions, in order to ensure that the bolts penetrating from bottom to top do not fall off or a wrench does not occur in the installation or disassembly process, in the embodiment, the first magnet 22 is arranged at the bottom of the hexagonal groove 21 and is used for attracting the end of the bolt to fix the end of the bolt in the hexagonal groove 21, so as to prevent the end of the bolt from falling off in the installation or disassembly process; handle 1 still is provided with second magnet 11 near one side of joint 3 for attract handle 1 and transmission tower 100, on being fixed in transmission tower 100 with 1 intercommunication fixed head 2 of handle, joint 3, prevent the drop of installation or dismantlement in-process fixed spanner.

This embodiment has guaranteed through setting up first magnet 22 and second magnet 11 when the installation or dismantle any bolt to of transmission tower 100 bolt, and fixed spanner can both be fixed on transmission tower 100, need not that operating personnel is handheld fixed, has improved work efficiency, especially in constrictive operation space, has solved the unable fixed spanner of one hand of operating personnel, and the problem of one hand installation or dismantlement nut has greatly reduced the operation degree of difficulty.

Example two

Since different specifications of bolts are used on the transmission tower 100, as shown in fig. 4 to 7, the present embodiment is different from the first embodiment in that: the adjusting part 4 is additionally arranged at the handle 1 and used for adjusting the section area of the hexagonal groove 21 so as to realize the fixation of bolts with different specifications and models. By adopting the fixed wrench in the embodiment, the operator does not need to carry the wrenches of various specifications and models at a time, the load of the operator can be effectively reduced, the safety of the operator is ensured, and the operation efficiency is also improved.

Specifically, the adjusting portion 4 includes an adjusting cavity 12 disposed in the handle 1 and communicated with the hexagonal groove 21, an adjusting rod 41 slidably disposed in the adjusting cavity 12, and an adjusting head 42 disposed at one end of the adjusting rod 41 and disposed in the hexagonal groove 21. The adjusting rod 41 slides in the adjusting cavity 12 to adjust the distance between the adjusting head 42 and the side wall of the hexagonal groove 21, so that bolts with different specifications and models can be fixed.

Preferably, the adjusting head 42 is provided with a Y-shape, and the opening of the adjusting head 42 is provided with 120 ° so as to be matched with the side wall of the hexagonal groove 21, thereby fixing bolts with different specifications and models more stably. In addition, to avoid interference of the adjustment lever 41 with the handle 1, the length of the adjustment chamber 12 is greater than the length of the adjustment lever 41. In the present embodiment, the adjustment lever 41 and the adjustment head 42 are made of steel material, and the adjustment lever 41 and the adjustment head 42 are integrally formed. The whole adjusting rod 41 is of a quadrangular prism shape, and accordingly, the adjusting cavity 12 is a rectangular parallelepiped and is in clearance fit with the adjusting rod 41, so that the adjusting rod 41 can slide in the adjusting cavity 12 more smoothly.

Further, the middle part of the handle 1 is provided with an adjusting hole 13 communicated with the adjusting cavity 12, the adjusting hole 13 is a cuboid, an adjusting roller 43 is rotatably arranged in the adjusting hole 13, a thread is arranged on the adjusting roller 43, and a sawtooth-shaped adjusting groove 411 meshed with the thread on the adjusting roller 43 is arranged on the adjusting rod 41.

Before the fixed wrench is used, the distance between the adjusting head 42 and the side wall of the hexagonal groove 21 is adjusted according to the bolt end which is required to be installed or detached. The specific regulation method is as follows: the adjusting roller 43 is rotated, the adjusting groove 411 is engaged with the threads on the adjusting roller 43 in sequence, so that the adjusting rod 41 is driven to slide in the adjusting cavity 12 along the direction of the handle 1, and further the distance between the adjusting head 42 and the side wall of the hexagonal groove 21 is changed until the adjusting head 42 and the side wall of the hexagonal groove 21 can clamp the end of the bolt to be installed or disassembled.

Specifically, as shown in fig. 6, the adjusting roller 43 is made of a steel material, and along the extending direction of the thread, an upper rotating shaft 431 is welded to one end of the adjusting roller 43, and a lower rotating shaft 432 is welded to the other end of the adjusting roller 43, and accordingly, an upper rotating hole 131 is provided to one end of the adjusting hole 13, a lower rotating hole 132 corresponding to the upper rotating hole 131 is provided to the other end of the adjusting roller, the upper rotating shaft 431 of the adjusting roller 43 is rotatably provided in the upper rotating hole 131, the lower rotating shaft 432 is rotatably provided in the lower rotating hole 132, and the adjusting roller 43 can rotate on the axis formed by connecting the upper rotating shaft 431.

It should be noted that the adjustment roller 43 is disposed slightly higher than the adjustment hole 13, so that the operator can more easily rotate the adjustment roller 43. And the opening direction of the adjusting hole 13 is opposite to that of the hexagonal groove 21, so that the side, not provided with the adjusting hole 13, of the handle 1 can be better attached to the transmission tower 100.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A holding wrench for holding a bolt during installation or removal of a nut on the bolt, comprising:

a handle (1);

the fixing head (2) is positioned at one end of the handle (1), is provided with a hexagonal groove (21) and is used for accommodating the end of a bolt;

the clamping head (3) is located at the other end of the handle (1) and faces the opening direction of the hexagonal groove (21) to extend and be used for clamping the handle (1) and the fixing head (2) to fix the bolt.

2. Fixing wrench as claimed in claim 1, characterized in that the bottom of the hexagonal slot (21) is provided with a first magnet (22) to fix the bolt head to the hexagonal slot (21).

3. Fixed spanner according to claim 1, characterized in that the handle (1) is provided with a second magnet (11) on the side close to the bayonet joint (3) to fix the handle (1).

4. A spanner wrench according to claim 1, wherein said handle (1) is further provided with an adjustment portion (4) to adjust the cross-sectional area of said hexagonal slot (21).

5. A spanner wrench as claimed in claim 4, wherein said adjustment part (4) comprises:

the adjusting cavity (12) is arranged in the handle (1) and is communicated with the hexagonal groove (21);

the adjusting rod (41) is arranged in the adjusting cavity (12) in a sliding mode;

the adjusting head (42) is arranged at one end of the adjusting rod (41) and is arranged in the hexagonal groove (21), the adjusting head (42) is Y-shaped and is fixed with the side wall of the hexagonal groove (21) at the end of the bolt.

6. Set spanner according to claim 5, characterized in that the length of the adjustment chamber (12) is greater than the length of the adjustment rod (41).

7. A fixed spanner according to claim 5, wherein the handle (1) is provided with an adjusting hole (13) communicated with the adjusting cavity (12), an adjusting roller (43) is rotatably arranged in the adjusting hole (13), a thread is arranged on the adjusting roller (43), an adjusting groove (411) engaged with the thread on the adjusting roller (43) is arranged on the adjusting rod (41), and the adjusting roller (43) is rotated to adjust the distance between the adjusting head (42) and the side wall of the hexagonal groove (21).

8. A spanner wrench as claimed in claim 7, wherein said adjustment hole (13) is provided with an upper rotation hole (131) at one end and a lower rotation hole (132) at the other end corresponding to said upper rotation hole (131), and said adjustment roller (43) is rotatably disposed in said upper rotation hole (131) and said lower rotation hole (132).

9. Set spanner according to any one of claims 7 or 8, characterized in that the opening direction of the adjustment hole (13) is opposite to the opening direction of the hexagonal slot (21).

10. A spanner wrench as claimed in any one of claims 1-8, wherein said holding head (2) and said handle (1) are welded.