CN210909761U - Fastening wrench - Google Patents

Abstract

The utility model discloses a fastening wrench, which is used for fastening a steel column pedestal bolt, and comprises a hexagonal sleeve (1) matched with the pedestal bolt, a connecting pipe (2) fixedly connected with the lower end of the hexagonal sleeve (1), at least two groups of through inserting holes (4) are arranged on the upper end of the connecting pipe (2), the adjacent inserting holes (4) are staggered up and down, and an included angle is arranged between the axes of the adjacent inserting holes (4); the connecting pipe is characterized by further comprising an elongated arm (3) with one end capable of being inserted into the insertion hole (4) of the connecting pipe (2), and the elongated arm (3) can be switched to be inserted into different insertion holes (4). This fastening spanner can avoid near the reinforcing bar owner muscle of column bottom plate, and fine fastening of carrying on column base bolt is through extension arm (3), fine reduction intensity of labour simultaneously, has increased the installation rate.

Description

Fastening wrench

Technical Field

The utility model relates to a steel construction installation technical field especially relates to a fastening spanner.

Background

In the installation process of the steel rib column, a circle of steel bar main steel bars are embedded in the bottom plate around the column bottom plate, the length of the exposed bottom plate is about 1-1.5 meters, the diameter of a common steel bar is large and reaches 30mm or even larger, the steel bar is not easy to pull, the steel bar cannot be bent excessively, and the quality of the steel bar is damaged if the steel bar is bent excessively.

In the prior art, during installation of a steel structure steel column, a common fastening wrench is used for fastening, the foundation bolt is blocked by a steel bar or blocked by a column foot reinforcing stiffening plate, and the angle of the fastening operation is limited, so that great difficulty is caused to the fastening operation of the foundation bolt; meanwhile, the technical requirements on operators are high, and the fastening quality cannot be guaranteed; the fastening of the steel column base bolt is blocked, and the cost is increased.

In summary, how to effectively solve the problems of difficult fastening operation of the anchor bolt and the like is a problem which needs to be solved urgently by the technical personnel in the field at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fastening wrench, this fastening wrench can avoid near the main muscle of reinforcing bar of column bottom plate, and fine fastening of carrying out the column base bolt is through lengthening the arm simultaneously, fine reduction intensity of labour, increased the installation rate.

In order to solve the technical problem, the utility model provides a following technical scheme:

a fastening wrench is used for fastening a steel rib column pedestal bolt and comprises a hexagonal sleeve matched with the pedestal bolt and a connecting pipe, wherein the lower end of the connecting pipe is fixedly connected with the upper end of the hexagonal sleeve; the connecting pipe further comprises an elongated arm, one end of the elongated arm can be inserted into the insertion hole of the connecting pipe, and the elongated arm can be switched to be inserted into different insertion holes.

Preferably, the included angles between the axes of the adjacent insertion holes are equal.

Preferably, the number of the insertion holes is two groups, and the axes of the insertion holes of the two groups are vertical.

Preferably, adjacent groups of the insertion holes are staggered up and down by at least 30 mm.

Preferably, the connecting pipe is a straight pipe steel pipe, and the lengths of the connecting pipe and the lengthening arm are both more than or equal to 1 m.

Preferably, the elongated arm includes a torsion handle and an insertion section fixed to one end of the torsion handle, and the diameter of the insertion section is smaller than that of the torsion handle.

Preferably, the diameter of the insertion section is equal to the diameter of the insertion hole.

The utility model provides a fastening wrench, including hexagonal sleeve, connecting pipe and extension arm, the telescopic size of hexagonal, shape and structure and column base bolt size, shape and structure phase-match, hexagonal sleeve cover is on the column base bolt, and the hexagonal sleeve rotates and can fastens reinforcing bar column base bolt. The lower extreme of connecting pipe and hexagonal telescopic upper end fixed connection, the connecting pipe is the same with hexagonal telescopic motion, and the connecting pipe rotates and drives hexagonal sleeve and rotate. The connecting pipe has lengthened fastening wrench's application scope, can fasten the column base bolt that is darker apart from the operation face, and the fastening operation is comparatively simple and convenient, shortens fastening time, and fastening quality is higher simultaneously. The patchhole has been seted up to the upper end of connecting pipe, and the patchhole is the through hole, and the one end of extension arm can insert in the patchhole of connecting pipe, and the operative employee wrench movement extension arm can drive the connecting pipe and rotate to this drive hexagonal sleeve rotates. The insertion holes are at least provided with two groups, the adjacent insertion holes are staggered up and down, an included angle is formed between the axes of the adjacent insertion holes, and the extension arm can be switched to be inserted into different insertion holes. Because the connecting pipe is pivoted, the position of patchhole is changed, need change the relation of connection of extension arm and patchhole after the connecting pipe rotates the settlement angle, in the patchhole that the extension arm need insert the position easier operation, change the stress point of extension arm to drive connecting pipe that can be more convenient rotates.

The utility model provides a fastening spanner can avoid near the main muscle of reinforcing bar of column bottom plate, and fine fastening of carrying out the column base bolt is through lengthening the arm simultaneously, fine reduction intensity of labour, increased the installation rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, 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 these drawings without creative efforts.

Fig. 1 is a schematic structural view of a fastening wrench according to an embodiment of the present invention.

The drawings are numbered as follows:

1-hexagonal sleeve, 2-connecting pipe, 3-elongated arm and 4-inserting hole.

Detailed Description

The core of the utility model is to provide a fastening wrench, this fastening wrench can avoid near the main muscle of reinforcing bar of column bottom plate, and fine fastening of carrying out the column base bolt is through lengthening the arm simultaneously, fine reduction intensity of labour, increased the installation rate.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a fastening wrench according to an embodiment of the present invention.

In a specific embodiment, the fastening wrench provided by the utility model is used for fastening a steel-reinforced column pedestal bolt, and comprises a hexagonal sleeve 1 matched with the pedestal bolt, and a connecting pipe 2 fixedly connected with the upper end of the hexagonal sleeve 1 at the lower end, wherein at least two groups of through inserting holes 4 are arranged at the upper end of the connecting pipe 2, the adjacent inserting holes 4 are staggered up and down, and an included angle is formed between the axes of the adjacent inserting holes 4; and an extension arm 3 having one end capable of being inserted into the insertion hole 4 of the connection pipe 2, and the extension arm 3 is capable of being switched to be inserted into a different insertion hole 4.

In the structure, the fastening wrench comprises a hexagonal sleeve 1, a connecting pipe 2 and an extension arm 3, the size, the shape and the structure of the hexagonal sleeve 1 are matched with those of the pedestal bolt, the hexagonal sleeve 1 is sleeved on the pedestal bolt, and the hexagonal sleeve 1 rotates to fasten the steel rib column pedestal bolt.

The lower extreme of connecting pipe 2 and the upper end fixed connection of hexagonal sleeve 1, connecting pipe 2 is the same with the motion of hexagonal sleeve 1, and connecting pipe 2 rotates and drives hexagonal sleeve 1 and rotate. Connecting pipe 2 has lengthened fastening wrench's application scope, can fasten the column base bolt that is darker apart from the operation face, and the fastening operation is comparatively simple and convenient, shortens fastening time, and fastening quality is higher simultaneously.

The upper end of connecting pipe 2 has been seted up patchhole 4, and patchhole 4 is the through hole, and the one end of extension arm 3 can insert in the patchhole 4 of connecting pipe 2, and the operator twists extension arm 3 and can drive connecting pipe 2 and rotate to this drive hexagonal sleeve 1 rotates.

The insertion holes 4 are at least two groups, the adjacent insertion holes 4 are staggered up and down, an included angle is formed between the axes of the adjacent insertion holes 4, and the extension arm 3 can be switched to be inserted into different insertion holes 4. Because connecting pipe 2 is pivoted, the position of patchhole 4 changes, need to change the relation of connection of extension arm 3 and patchhole 4 after connecting pipe 2 rotates the settlement angle, and extension arm 3 need insert the patchhole 4 of easy operation in the position, change the stress point of extension arm 3 to drive connecting pipe 2 that can be more convenient rotates.

The utility model provides a fastening spanner can avoid near the main muscle of reinforcing bar of column bottom plate, and fine fastening of carrying out the column base bolt is through extension arm 3, fine reduction intensity of labour, increased the installation rate simultaneously.

The utility model provides a fastening wrench, under the unchangeable condition of other parts, contained angle between the axis of adjacent patchhole 4 equals, for example contained angle between the axis of adjacent patchhole 4 is 30 °, 45 °, 60 °, 90 etc. and 3 fixed angles of wrench movement extension arm are turned round at every turn, and next patchhole 4 rotates to setting for the position, the control of being convenient for. It should be noted that, the larger the included angle between the axes of the adjacent insertion holes 4 is, the larger the angle of twisting the extension arm 3 each time is, and the fewer the times of switching the insertion positions of the extension arm 3 are; the smaller the angle between the axes of the adjacent insertion holes 4, the smaller the angle of twisting the extension arm 3 per time, and the more times the insertion positions of the extension arm 3 are switched. The contained angle between the axis of concrete adjacent patchhole 4 is unrestricted, can be according to the actual application condition and decide, all is in the utility model discloses a protection range.

The technical scheme is further optimized, the number of the insertion holes 4 is two, the axes of the two groups of insertion holes 4 are vertical, the 390 degrees of the lengthened arm needs to be twisted every time, the number of times of switching the insertion positions of the lengthened arm 3 is less, and the connection time of the lengthened arm 3 and the insertion holes 4 is saved.

On the basis of the above-mentioned specific embodiment, a person skilled in the art can change the fastening wrench according to different situations, and punching holes on the connecting pipe 2 will inevitably reduce the strength thereof, and in order to reduce the strength of the connecting pipe 2 as little as possible, the distance between the adjacent insertion holes 4 can be increased, and the specific adjacent groups of insertion holes 4 are staggered up and down by at least 30mm, for example, 40mm, so as to ensure the use strength of the connecting pipe 2.

In another more reliable embodiment, on the basis of any one of the above embodiments, the connecting pipe 2 is a straight pipe and can be connected with the hexagonal sleeve 1 by welding, so that the fixing is firm and the connection is convenient; the cost is lower, the strength is higher, and the service life is longer. The length of connecting pipe 2 is more than or equal to 1m, for example is 1.5m, increases the length of connecting pipe 2, can fasten the deeper column base bolt in position, and application scope is wider. The length of the lengthening arm 3 is more than or equal to 1m, the length of the torsional moment arm is increased, and the size of the driving force is reduced.

It should be noted that the present invention is not limited to the case that the extension arm 3 includes the torque handle and the insertion section, the insertion section is fixed to one end of the torque handle, the diameter of the insertion section is smaller than that of the torque handle, and the insertion section is conveniently inserted into the insertion hole 4. A step surface is formed between the torsion handle and the insertion section, and after the insertion section is inserted into the insertion hole 4, the step surface is abutted against the connecting pipe 2, the connecting position of the extension arm 3 is easy to determine, and the extension arm 3 is not easy to fall off from the insertion hole 4.

Further optimize above-mentioned technical scheme, the diameter of inserting the section equals the diameter of patchhole 4, and inserting section and patchhole 4 transition fit both can guarantee to insert section and patchhole 4 smoothly, can guarantee zonulae occludens again, are difficult for droing.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The fastening wrench provided by the present invention has been described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. A fastening wrench is characterized by comprising a hexagonal sleeve (1) matched with a column base bolt and a connecting pipe (2) with the lower end fixedly connected with the upper end of the hexagonal sleeve (1), wherein at least two groups of penetrating inserting holes (4) are formed in the upper end of the connecting pipe (2), the adjacent inserting holes (4) are staggered up and down, and an included angle is formed between the axes of the adjacent inserting holes (4); the connecting pipe is characterized by further comprising an elongated arm (3) with one end capable of being inserted into the insertion hole (4) of the connecting pipe (2), and the elongated arm (3) can be switched to be inserted into different insertion holes (4).

2. The fastening wrench according to claim 1, wherein the included angles between the axes of adjacent insertion holes (4) are equal.

3. The fastening wrench according to claim 2, wherein the number of the insertion holes (4) is two groups, and the axes of the insertion holes (4) of the two groups are perpendicular.

4. The fastening wrench as claimed in claim 1, wherein adjacent groups of the insertion holes (4) are staggered one above the other by at least 30 mm.

5. The fastening wrench according to claim 1, wherein the connecting pipe (2) is a straight pipe, and the connecting pipe (2) and the extension arm (3) are each longer than or equal to 1 m.

6. The fastening wrench as claimed in claim 1, wherein the elongated arm (3) comprises a torque handle and an insertion section fixed to one end of the torque handle, the insertion section having a diameter smaller than the diameter of the torque handle.

7. The fastening wrench according to claim 6, wherein the diameter of the insertion section is equal to the diameter of the insertion hole (4).

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