CN209812218U

CN209812218U - Torsional shear tool of torsional shear type high-strength bolt

Info

Publication number: CN209812218U
Application number: CN201920601035.9U
Authority: CN
Inventors: 张成林
Original assignee: China No 15 Metallurgical Construction Group Co Ltd
Current assignee: China No 15 Metallurgical Construction Group Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2019-12-20
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a torsional shear tool of torsional shear type high strength bolt, torsional shear type high strength bolt includes round head portion, plum blossom head portion and the screw thread portion of connecting round head portion and plum blossom head portion, and torsional shear tool is used for twisting off the plum blossom head portion, torsional shear tool includes sleeve, rotary rod and torsional shear head, sets up the mounting hole that runs through the sleeve on the telescopic lateral wall, and the rotary rod is worn to establish and is installed in the mounting hole, and torsional shear head fixed mounting is in the lower extreme of sleeve, and the centre of torsional shear head sets up the through-hole with plum blossom head portion adaptation; the utility model provides an among the technical scheme, through turning round the centre of cutting the head and offer the through-hole with plum blossom head looks adaptation to when the plum blossom head of the type high strength bolt is cut in the turn round of connecting the fastening steel structure spare at needs twist-off, will turn round the cutting head and live the plum blossom head, rotatory rotary rod can twist-off the plum blossom head, fastens in order to accomplish the assembly connection of the type high strength bolt of twist-off.

Description

Torsional shear tool of torsional shear type high-strength bolt

Technical Field

The utility model relates to a technical field of fastening assembly process is connected to the steel construction, in particular to turn round scissors instrument of turning round of cutting type high strength bolt.

Background

In a modern steel structure project, in order to improve production efficiency and reduce energy consumption and environmental pollution, the conventional hot rivet connection process is completely replaced by the torsional shear type high-strength bolt connection process, and the torsional shear type high-strength bolt connection process is directly related to the safety and quality of a steel structure in use. It mainly fastens to turn round the type of cutting high strength bolt to turn round to cut, there is fixed moment of torsion requirement, it twists reverse type electric wrench to twist round to cut type high strength bolt to adopt usually, but sometimes can have operating space narrower, it is difficult for the construction to turn round the type of cutting electric wrench, perhaps lack the condition of turning round the type of cutting electric wrench and turning round the type electric wrench damage, can make a simple and easy type of turning round the type of cutting high strength bolt and turn round the auxiliary tool of cutting, and in time accomplish the connection fastening of the type of cutting high strength bolt of turning round of steel construction project, and ensured the safety of assembling process.

Disclosure of Invention

The utility model aims at providing a turn round and cut type high strength bolt turn round scissors instrument aims at solving and is more narrow in operating space, turns round the difficult construction of cutting type electric spanner, perhaps lacks the type electric spanner of turning round and cuts and turns round under the condition that type electric spanner damaged, turns round the unable erection joint problem of cutting type high strength bolt.

In order to achieve the above object, the utility model provides a turn round scissors instrument of cutting type high strength bolt, turn round scissors instrument of cutting type high strength bolt and include round head, plum blossom head and connect the screw thread portion of round head and plum blossom head, it is used for twisting off to turn round scissors instrument the plum blossom head, turn round scissors instrument and include sleeve, rotary rod and turn round the cutting head, seted up on the telescopic lateral wall and run through telescopic mounting hole, the rotary rod wear to establish install in the mounting hole, turn round cutting head fixed mounting in telescopic lower extreme, just turn round the centre of cutting head seted up with the through-hole of plum blossom head looks adaptation.

Preferably, the mounting holes are arranged into a plurality of groups, the plurality of groups of mounting holes are uniformly distributed along the length direction of the sleeve, and the plurality of groups of mounting holes are arranged at a preset angle at intervals in pairs in the center of the sleeve.

Preferably, the preset angle is 45 ~ 90 °.

Preferably, the plurality of sets of mounting holes are 4 sets, and each set of mounting holes is 2 oppositely arranged.

The utility model provides an among the technical scheme, through turn round scissors instrument and include sleeve, rotary rod and turn round the cutting head, seted up on the telescopic lateral wall and run through telescopic mounting hole, the rotary rod wear to establish install in the mounting hole, turn round cutting head fixed mounting in telescopic lower extreme, just turn round the centre of cutting head seted up with the through-hole of plum blossom head looks adaptation to when the plum blossom head of the type high strength bolt is cut in the turn round of connecting fastening steel structure spare at needs twist off, will the twist off head cover will the plum blossom head, it is rotatory the rotary rod can with the plum blossom head twist off to accomplish the erection joint fastening of the type high strength bolt of turning round the cutting. The torsional shear tool is simple to manufacture and convenient to operate, can timely complete connection and fastening of the torsional shear type high-strength bolt of the steel structure project on the temporary assistance of the torsional shear type high-strength bolt connection process of the steel structure project, and ensures the safety, quality and progress of the assembly process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic front view of a torsional shear type high strength bolt;

FIG. 2 is a left side schematic view of FIG. 1;

fig. 3 is a schematic view of an embodiment of a torsional shearing tool for torsional shearing high-strength bolts according to the present invention;

FIG. 4 is a schematic illustration of the twist shear tool of FIG. 3 shown disassembled;

fig. 5 is an enlarged schematic view of the twist shear head of fig. 4.

The reference numbers illustrate: 1-torsional shear type high-strength bolt, 11-round head, 12-plum blossom head, 13-thread part, 2-torsional shear tool, 21-sleeve, 211-mounting hole, 22-rotating rod, 23-torsional shear head, 231-through hole and 3-steel structural member.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The utility model provides a turn round scissors instrument of cutting type high strength bolt turns round, fig. 1 and fig. 2 are turn round scissors type high strength bolt's schematic structure, turn round scissors type high strength bolt 1 includes round head 11, plum blossom head 12 and connects the screw thread portion 13 of round head and plum blossom head 12, turn round scissors instrument 2 and be used for twisting off plum blossom head 12. Fig. 3 to 5 show an embodiment of a torsional shearing tool for torsional shearing high-strength bolt according to the present invention.

Referring to fig. 3 to 5, the torsional shearing tool 2 includes a sleeve 21, a rotating rod 22 and a torsional shearing head 23, a mounting hole 211 penetrating through the sleeve 21 is formed on a side wall of the sleeve 21, the rotating rod 22 is installed in the mounting hole 211 in a penetrating manner, the torsional shearing head 23 is fixedly installed at a lower end of the sleeve 21, and a through hole 231 adapted to the club head 12 is formed in the middle of the torsional shearing head 23.

The utility model provides an among the technical scheme, through torsional shear tool 2 includes sleeve 21, rotary rod 22 and torsional shear head 23, seted up on the lateral wall of sleeve 21 and run through sleeve 21's mounting hole 211, rotary rod 22 wear to establish install in mounting hole 211, torsional shear head 23 fixed mounting in sleeve 21's lower extreme, just torsional shear head 23 the centre seted up with the through-hole 231 of plum blossom head 12 looks adaptation to when needing to twist off the plum blossom head 12 of connecting the torsional shear type high strength bolt 1 of fastening steel structure spare 3, will torsional shear head 23 entangles plum blossom head 12 is rotatory rotary rod 22, can with plum blossom head 12 twists off to accomplish the assembly connection fastening of torsional shear type high strength bolt 1. The torsional shear tool 2 is simple to manufacture and convenient to operate, can timely complete connection and fastening of the torsional shear type high-strength bolt 1 of the steel structure project on the temporary assistance of the connection process of the torsional shear type high-strength bolt 1 of the steel structure project, and ensures the safety, quality and progress of the assembly process.

In this embodiment, the mounting holes 211 are arranged in multiple groups, the multiple groups of mounting holes 211 are uniformly distributed along the length direction of the sleeve 21, and the multiple groups of mounting holes 211 are arranged at a preset angle at intervals between two centers of the sleeve 21. The mounting hole 211 sets up to a plurality ofly, can make things convenient for operating personnel to insert the mounting hole 211 position at different angles with rotary rod 22 to conveniently avoid the barrier, make things convenient for the construction operation, and operating personnel stands regularly at same position, need not follow rotary rod 22's rotation transform operating position, it is more convenient to operate, more laborsaving.

In this embodiment, the preset angle is 45 ~ 90 degrees, the preset angle is 45 degrees, and accordingly, the plurality of sets of mounting holes 211 are 4 sets, the preset angle is 90 degrees, and accordingly, the plurality of sets of mounting holes 211 are 2 sets, and specifically, the number of the sets of mounting holes 211 can be set according to actual needs of a site.

Further, in this embodiment, the plurality of sets of mounting holes 211 are 4 sets, and each set of mounting holes 211 is 2 sets that are oppositely disposed.

The manufacturing steps of the torsional shear tool 2 of the torsional shear type high-strength bolt 1 are as follows:

(1) the sleeve 21 can be a thick-wall steel pipe with the diameter of 43mm so as to avoid excessive deformation in use, a plurality of through holes are uniformly and rotatably arranged in layers in the length direction on the steel pipe, and the through holes can be drilled and cut by flame;

(2) the rotating rod 22 can be made of 25mm round steel, the length of which is usually 1.5 m, and can be replaced by a steel crowbar according to the field material condition;

(3) processing of the twisting and shearing head 23: a. the material of the torsional shear head 23 is selected, the torsional shear head 23 is used as a core high-frequency stress working component of the torsional shear tool 2, a high-strength wear-resistant material is selected, and the round head part 11 of the abandoned large-diameter torsional shear type high-strength bolt 1 can be directly cut off; b. the twisting and shearing head 23 is processed and formed, a hole (flame cutting is also available) which is slightly smaller than the plum blossom head part 12 of the high-strength bolt to be fastened is drilled in the middle part of the 11-position diameter direction of the round head part of the cut twisting and shearing type high-strength bolt 1, then the material of the twisting and shearing head 23 with the drilled hole is heated to be bright orange yellow by flame, the plum blossom head part 12 of the waste twisting and shearing type high-strength bolt 1 to be fastened is aligned with the drilled part of the material of the twisting and shearing head part 23 to be punched, the plum blossom head part 12 is withdrawn after water cooling, and then a through hole 231 which is highly matched with the plum blossom head part 12 of the twisting and shearing type high;

(4) and (3) forming a torsional shear wrench, welding the processed torsional shear head 23 and the sleeve 21 into a whole, heating the flame of the torsional shear head 23 to be bright orange, quickly immersing the torsional shear head in water, and completely quenching and cooling, so that the torsional shear tool 2 of the simple torsional shear type high-strength bolt 1 is processed and finished.

The using method of the torsional shear tool 2 of the torsional shear type high-strength bolt 1 comprises the following steps: the sleeve 21 welded with the twisting head 23 is sleeved on the quincuncial head 12 of the twisting-shear type high-strength bolt 1 which is connected with the steel structural member 3 and needs to be fastened, then the rotating rod 22 penetrating through the sleeve 21 is balanced and uniformly applied with fastening force in the opposite direction of bolt threads, and when the fastening torque force reaches the required torque force peak value, the quincuncial head 12 of the high-strength bolt is twisted off, so that the required fastening force requirement of engineering is met.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a turn round scissors instrument of cutting type high strength bolt turns round, turn round scissors type high strength bolt includes round head portion, plum blossom head portion and connects the screw thread portion of round head portion and plum blossom head portion, turn round scissors instrument is used for twist-off the plum blossom head portion, its characterized in that: turn round scissors instrument and include sleeve, rotary rod and turn round the cutting head, seted up on the telescopic lateral wall and run through telescopic mounting hole, the rotary rod wear to establish install in the mounting hole, turn round cutting head fixed mounting in telescopic lower extreme, just turn round the centre of cutting head seted up with the through-hole of plum blossom head looks adaptation.

2. A torsional shear tool of the torsional shear type high strength bolt of claim 1, wherein: the mounting holes are arranged into a plurality of groups, the mounting holes are uniformly distributed along the length direction of the sleeve, and the mounting holes are arranged at a preset angle at intervals in the center of the sleeve.

3. The torsional shear tool of claim 2, wherein the predetermined angle is 45 ~ 90 °.

4. A torsional shear tool of the torsional shear type high strength bolt of claim 2, wherein: the multiunit mounting hole sets up to 4 groups, and every group mounting hole is 2 relative settings.