CN219837738U

CN219837738U - Bolt assembly auxiliary mechanism

Info

Publication number: CN219837738U
Application number: CN202321054208.2U
Authority: CN
Inventors: 蒋永峰; 聂文娜; 钱建新
Original assignee: Changshu City Standard Parts Factory Co ltd
Current assignee: Changshu City Standard Parts Factory Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-17
Anticipated expiration: 2033-05-06

Abstract

The utility model is applicable to the technical field of bolt assembly, and provides a bolt assembly auxiliary mechanism which comprises a sleeve, wherein a bolt is placed in the sleeve, the bolt comprises a nut and a screw, a closed round surface is arranged below the sleeve, an opening corresponding to the shape of the nut is arranged above the sleeve, six poking holes are formed in the sleeve and are equidistantly arranged along the circumference of a cylinder wall, a supporting plate is welded inside the sleeve, the supporting plate is positioned above the poking holes, and the poking holes are connected with a bent poking rod. The device solves the problem that large-scale bolt assembly engineering is difficult to realize in industry, and achieves the technical effect of pre-tightening the large-diameter bolts.

Description

Bolt assembly auxiliary mechanism

Technical Field

The utility model relates to the technical field of bolt assembly, in particular to a bolt assembly auxiliary mechanism.

Background

Bolts are widely used in daily life and industrial production and manufacture, and bolts and their cooperation are almost everywhere visible, and bolts are also called industrial meters. The application range of the bolt is as follows: bolts are also used in electronics, machinery, digital products, electrical equipment, electromechanical products, ships, vehicles, hydraulic engineering, and even in chemical experiments. Bolts are an important task in industry, and the function of the bolts is always important as long as industry is present on earth. The bolt is a cylindrical threaded fastener matched with a nut, and the fastener consists of a head part and a screw (a cylinder with external threads), and is matched with the nut and used for fastening two parts with through holes. The bolt is divided into the following parts according to the shape of the head: with hex heads, round heads, T-heads, etc., with hex heads being most commonly used.

At present, a screw driver is often used for assembling small bolts to screw down, or a full-automatic bolt assembling machine is used; the assembly of large bolts, such as industries of metallurgical mines, petrochemical industry, ship industry, electric power systems, rolling stock, heavy machinery and the like, cannot be completed in a manual and automatic machine mode, and the assembly and fastening of the bolts and nuts are often realized by a large amount of manpower, so that the assembly and fastening of the bolts and the nuts are time-consuming, labor-consuming and poor in effect.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a bolt assembly auxiliary mechanism for pre-tightening a large-diameter bolt.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a bolt assembly assist mechanism, includes the sleeve, the bolt has been placed in the sleeve, the bolt includes nut and screw rod, the sleeve below is confined round, the sleeve top is the opening corresponding with the nut shape, set up six hole of dialling along a week equidistance range of section of thick bamboo wall on the sleeve, the inside welding of sleeve has the backup pad, the backup pad is located and dials the hole top, it is connected with curved driving lever to dial the hole.

The utility model is further provided with: the bridge is sleeved outside the sleeve, the bridge penetrates up and down, an arc-shaped opening is formed in one side below the bridge, and the arc-shaped opening is aligned with the poking hole when the bridge is installed.

The utility model is further provided with: the oil cylinder is sleeved outside the bridge, a plurality of threaded holes are formed in the round surface above the oil cylinder, the oil cylinder is fixedly connected with an oil baffle ring through the threaded holes, and an oil receiving port is formed in one side of the wall of the oil cylinder in the direction of the outer portion of the oil cylinder.

The utility model is further provided with: the pull head is placed inside the oil cylinder, the pull head penetrates through the oil cylinder from top to bottom, the pull head comprises a rotary disc and a rotary drum, the rotary drum is welded by the rotary disc, the diameter of the rotary disc is larger than that of the rotary drum, the rotary disc is located above the rotary drum, and a handle facing the outer side is welded on one side of the rotary disc.

The utility model is further provided with: the hydraulic cylinder is internally provided with two symmetrical hydraulic pistons, and comprises a limiting structure which is positioned at the inner side of the cylinder and at the outer side of the hydraulic pistons.

The utility model is further provided with: the limiting structure enables the oil cylinder to be fixedly connected with the bridge, the limiting structure is arranged above the bridge, and the lower surface of the oil cylinder is positioned above the poking hole of the sleeve.

The utility model has the advantages that:

1. by replacing the pull head and the sleeve, one host machine can fasten bolts with different specifications, so that the assembly work of different types of bolts is facilitated;

2. the supporting plate is welded in the sleeve, the supporting plate has strong bearing capacity, a large-sized bolt can be placed, the bent deflector rod passes through two adjacent deflector holes on the sleeve, and the bent deflector rod is rotated, so that the bolt and the nut are assembled more tightly and more labor-saving;

3. the hydraulic stretcher only generates axial tensile load and does not bring destructive torsion load, so that high-quality assembly and connection are obtained, the hydraulic stretcher does not move on the surface of a workpiece during working, friction is avoided, and the workpiece is not damaged.

Drawings

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

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an exploded view of the structure of the present utility model;

FIG. 5 is a block diagram of a sleeve and bent lever of the present utility model.

In the figure: 1. a sleeve; 11. hole pulling; 12. a support plate; 13. a curved deflector rod; 2. a bolt; 21. a screw cap; 22. a screw; 3. a bridge; 31. an arc opening; 4. an oil cylinder; 41. an oil baffle ring; 42. an oil receiving port; 43. a hydraulic piston; 44. a limit structure; 5. a pull head; 51. a turntable; 52. a rotating drum; 53. a handle.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Example 1

Referring to fig. 1-5, the present utility model provides the following technical solutions:

the bolt assembly auxiliary mechanism comprises a sleeve 1, wherein a bolt 2 is arranged in the sleeve 1, the bolt 2 comprises a nut 21 and a screw 22, the bottom of the sleeve 1 is a circular sealing surface, an opening corresponding to the shape of the nut 21 is formed in the upper part of the sleeve 1, six poking holes 11 which are arranged along the circumference of the sleeve 1 at equal intervals are formed in the wall of the sleeve 1, the sleeve 1 is connected with a bent poking rod 13 through the poking holes 11, the bent poking rod 13 enters from one poking hole 11 and extends out from the adjacent poking hole 11, the poking hole 11 is rotated to fasten the bolt 2, a supporting plate 12 is welded in the sleeve 1, the supporting plate 12 is positioned above the poking hole 11, the bolt 2 is placed in the sleeve 1 and is positioned above the supporting plate 12, the nut 21 is contacted with the supporting plate 12, and the screw 22 is upwards; the outer side of the sleeve 1 is sleeved with a bridge 3, the bridge 3 is of an upper through hole structure and a lower through hole structure, an arc-shaped opening 31 is formed in one side of the upper side and the lower side of the wall of the bridge 3, the arc-shaped opening 31 is aligned with the poking hole 11 when the bridge 3 is installed, and the arc-shaped opening 31 is positioned outside the poking hole 11; the oil cylinder 4 is arranged on the outer side of the bridge 3, the oil cylinder 4 is also of an upper through hole structure, an oil receiving port 42 is connected to one side of the outer wall of the oil cylinder 4, an oil pump is externally connected to the oil receiving port 42 through a high-pressure hose, so that pressure oil in the oil pump enters the oil cylinder 4, a plurality of threaded holes are formed in the upper surface of the oil cylinder 4, an oil baffle ring 41 is arranged on the oil cylinder 4 through the threaded holes, the oil baffle ring 41 prevents oil in the oil cylinder 4 from splashing during operation, the oil cylinder 4 internally comprises a hydraulic piston 43 and a limiting structure 44, the hydraulic piston 43 and the limiting structure 44 are two and are axisymmetric relative to the oil cylinder 4, the limiting structure 44 is positioned on the outer side of the hydraulic piston 43, the limiting structure 44 is fixedly connected with the bridge 3 during installation of the oil cylinder 4, the oil cylinder 4 is arranged at the upper end of the bridge 3 through the limiting structure 44, and the lower surface of the oil cylinder 4 is positioned above the poking hole 11; the pull head 5 is placed inside the oil cylinder 4, the pull head 5 is of an upper through hole structure and a lower through hole structure, the pull head 5 comprises a rotary disc 51 and a rotary drum 52, the rotary disc 51 is welded with the rotary drum 52, the diameter of the rotary disc 51 is larger than that of the rotary drum 52, the rotary disc 51 is located above the rotary drum 52, a handle 53 is welded on one side of the rotary disc 51, when the pull head 5 is installed, the rotary drum 52 is located in the oil cylinder 4, the rotary disc 51 and the handle 53 are located on the upper surface of the oil cylinder 4, and the rotary disc 51 is rotated by the handle 53 to fasten the bolt 2.

The working principle of the auxiliary bolt assembly mechanism provided by the utility model is as follows: selecting a sleeve 1 with the same shape as a nut 21 of a bolt 2, placing the nut 21 of the bolt 2 on a supporting plate 12 of the sleeve 1, arranging a screw 22 upwards, arranging a bridge 3, sleeving the bridge 3 on the outer side of the sleeve 1, rotating the bridge 3 to enable an arc opening 31 on the bridge 3 to be aligned with a poking hole 11 on the sleeve 1, arranging an oil cylinder 4 on the outer side of the bridge 3, arranging a limit structure 44 in the oil cylinder 4, arranging the oil cylinder 4 above the bridge 3 through the limit structure 44, enabling the lower surface of the oil cylinder 4 not to block the poking hole 11, arranging a nut on the bolt 2 from the upper surface opening of the oil cylinder 4, arranging a pull head 5, arranging a rotary drum 52 of the pull head 5 in the oil cylinder 4, arranging a rotary disc 51 and a handle 53 of the pull head 5 outside the oil cylinder 4, connecting an oil receiving port 42 with a single-action manual pump or an ultrahigh-pressure electric pump through a high-pressure hose, starting the oil pump, enabling pressure oil in the oil pump to enter the oil cylinder 4 through the high-pressure hose and the oil receiving port 42, and enabling a hydraulic piston 43 in the oil cylinder 4 to move upwards under the action of the pressure oil cylinder, driving a stretching bolt to move upwards, and enabling the nut 21 to be separated from the supporting plate 2 to be pulled and the pull head 12 to be separated from the supporting plate 12, and generating a bending rod 13 to be bent to be slightly bent and capable of entering the sleeve 13 through the pull rod 13, and bending rod 13, and can be slightly bent 13, shaped, and,. The nut is in threaded connection with the working bolt 2, so that the bolt 2 is lengthened to achieve the required deformation, the deformation is controlled within the elastic deformation range, the nut and the bolt 2 are screwed down by pushing the handle 53, then the disassembly operation is carried out, the bolt assembly auxiliary mechanism is removed, the ideal fastening effect can be obtained, the operation is completed, the mechanism can be disassembled layer by layer, the maintenance and the cleaning of the mechanism are facilitated, and the recycling efficiency of the mechanism is improved.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a bolt assembly assist mechanism which characterized in that: including sleeve (1), bolt (2) have been placed in sleeve (1), bolt (2) include nut (21) and screw rod (22), sleeve (1) below is confined round, sleeve (1) top is the opening corresponding with nut (21) shape, six hole (11) of dialling of arranging along a week equidistance of section of thick bamboo wall have been seted up on sleeve (1), sleeve (1) inside welding has backup pad (12), backup pad (12) are located hole (11) top dialling, hole (11) are dialled and are connected with curved driving lever (13).

2. A bolt assembly assist mechanism as recited in claim 1, wherein: the novel cable bridge is characterized in that the bridge (3) is sleeved outside the sleeve (1), the bridge (3) penetrates up and down, an arc-shaped opening (31) is formed in one side below the bridge (3), and the arc-shaped opening (31) is aligned with the poking hole (11) during installation of the bridge (3).

3. A bolt assembly assist mechanism as recited in claim 2, wherein: the oil cylinder (4) is sleeved outside the bridge frame (3), a plurality of threaded holes are formed in the round surface above the oil cylinder (4), the oil cylinder (4) is fixedly connected with an oil retaining ring (41) through the threaded holes, and an oil receiving port (42) facing the external direction of the oil cylinder (4) is formed in one side of the wall of the oil cylinder (4).

4. A bolt assembly assist mechanism as recited in claim 3, wherein: the novel rotary drum is characterized in that a pull head (5) is placed inside the oil cylinder (4), the pull head (5) penetrates through the oil cylinder from top to bottom, the pull head (5) comprises a rotary disc (51) and a rotary drum (52), the rotary drum (52) is welded by the rotary disc (51), the diameter of the rotary disc (51) is larger than that of the rotary drum (52), the rotary disc (51) is located above the rotary drum (52), and a handle (53) facing the outer side is welded on one side of the rotary disc (51).

5. A bolt assembly assist mechanism as recited in claim 3, wherein: the hydraulic oil cylinder is characterized in that two symmetrical hydraulic pistons (43) are arranged in the oil cylinder (4), the oil cylinder (4) comprises a limiting structure (44), and the limiting structure (44) is located on the inner side of the oil cylinder (4) and located on the outer side of the hydraulic pistons (43).

6. A bolt assembly assist mechanism as recited in claim 5, wherein: the limiting structure (44) enables the oil cylinder (4) to be fixedly connected with the bridge frame (3), the limiting structure (44) is arranged above the bridge frame (3), and the lower surface of the oil cylinder (4) is located above the poking hole (11) of the sleeve (1).