CN216328037U

CN216328037U - Modularized combined puller for double faces

Info

Publication number: CN216328037U
Application number: CN202122607436.5U
Authority: CN
Inventors: 杨志勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-04-19
Anticipated expiration: 2031-10-28

Abstract

The utility model discloses a double-sided modularized combined puller which comprises a circular steel plate, wherein a connecting nut is welded in the middle of the front side of the circular steel plate, and a stud is connected in the connecting nut in a threaded manner. This two-sided modularization combination is drawn horse, through circular steel sheet, the double-screw bolt, the setting of bolt and arc flange, during the use, circular steel sheet replaces central stress point, the double-screw bolt replaces draws the horse leg, the arc flange replaces draws the horse foot, area of contact has been increased, this draw horse both can dismantle the back wheel through the operation of fastening double-screw bolt after the combination, can dismantle the back wheel through the operation of fastening arc flange again, can realize the dismantlement work of shaft coupling back wheel under the different structure size simultaneously again through the double-screw bolt of changing different length, the modularization combination of instrument has been realized, compare and pound out the back wheel reliable and stable with the copper hammer, the effectual injury of back wheel counter shaft of having avoided, the injury of copper hammer to back wheel shaft shoulder position has also been reduced, the life of equipment has been prolonged greatly.

Description

Modularized combined puller for double faces

Technical Field

The utility model relates to the technical field of a puller, in particular to a modular combined puller for double faces.

Background

The multistage centrifugal water injection pump has the advantages of compact structure and stable operation, and when a mechanic finds that the size of a coupling is too compact during maintenance, the distance between two back wheels is only 180mm, and the multistage centrifugal water injection pump often needs to be pulled by a puller when being disassembled and replaced.

Most of the existing puller can not meet the use requirements, if the machine seal can be replaced and the puller can be knocked and detached only by tools such as a copper hammer, the detaching method has damage to the shaft and the backrest wheel, and since the complete set of tools can not meet the detaching requirements, machine maintenance personnel begin to think that a tool can not be manufactured by self, therefore, the inventor takes the experience of abundant design development and actual manufacturing of the related industry for many years in view of the above, researches and improves the existing structure and deficiency, and provides the modularized combined puller for double faces.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a double-sided modularized combined puller, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a horse is drawn with modularization combination to two-sided, includes circular steel sheet, the positive middle part welding of circular steel sheet has coupling nut, coupling nut internal thread is connected with the double-screw bolt, circular steel sheet openly sets up the three perforation that is annular array and distributes, the bolt is worn to be equipped with in fenestrate inside, the arc flange that is used for increasing area of contact is worn to be equipped with in one side of bolt surface.

Optionally, the handle is welded to the circular steel plate.

Optionally, a pull ring is welded at one end of the stud.

Optionally, a gasket is arranged on the other side of the outer surface of the bolt in a penetrating mode, and a nut is arranged at one end of the bolt in a penetrating mode through threads.

(III) advantageous effects

The utility model provides a modularized combined puller for double faces, which has the following beneficial effects:

this two-sided modularization combination is drawn horse, through circular steel sheet, the double-screw bolt, the setting of bolt and arc flange, during the use, circular steel sheet replaces central stress point, the double-screw bolt replaces draws the horse leg, the arc flange replaces draws the horse foot, area of contact has been increased, this draw horse both can dismantle the back wheel through the operation of fastening double-screw bolt after the combination, can dismantle the back wheel through the operation of fastening arc flange again, simultaneously again can realize the dismantlement work of shaft coupling back wheel under the different structure size through the double-screw bolt of changing different length, the modularization combination of instrument has been realized, the work efficiency is greatly improved, compare and pound out the back wheel with the copper hammer reliable and stable, the effectual injury of back wheel counter shaft of having avoided, the injury of copper hammer to back wheel shoulder position has also been reduced, the life of equipment has been prolonged greatly.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an expanded view of the present invention;

fig. 3 is a schematic structural view of the front surface of the circular steel plate of the present invention.

In the figure: 1. a circular steel plate; 2. a connecting nut; 3. a stud; 4. perforating; 5. a bolt; 6. an arc-shaped flange; 7. a handle; 8. a pull ring; 9. a gasket; 10. and a nut.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a double-sided modularized combined puller comprises a circular steel plate 1, wherein a connecting nut 2 is welded in the middle of the front of the circular steel plate 1, a stud 3 is connected to the inner part of the connecting nut 2 through threads, three through holes 4 distributed in an annular array are formed in the front of the circular steel plate 1, a bolt 5 is arranged inside each through hole 4 in a penetrating manner, an arc-shaped flange 6 for increasing the contact area is arranged on one side of the outer surface of the bolt 5 in a penetrating manner, the stud 3, the bolt 5 and the arc-shaped flange 6 are arranged, when the puller is used, the circular steel plate 1 replaces a central stress point, the stud 3 replaces a puller leg, the arc-shaped flange 6 replaces a puller foot, the contact area is increased, the puller can be used for dismounting a backrest wheel through fastening the operation of the stud 3 and dismounting the backrest wheel through the arc-shaped flange 6, and can realize dismounting work of coupler backrest wheels of different structural sizes through replacing studs 3 of different lengths, the modularization combination of instrument has been realized, work efficiency is greatly improved, compare and pound out the back wheel with the copper hammer reliable and stable, the effectual injury of back wheel counter shaft of having avoided, the injury of copper hammer to back wheel shaft shoulder position has also been reduced, the life of equipment has been prolonged greatly, the welding has handle 7 on the circular steel sheet 1, through setting up handle 7, avoid the puller to rotate along with the axle when dismantling, the one end welding of double-screw bolt 3 has pull ring 8, through setting up pull ring 8, personnel pulling double-screw bolt 3 when dismantling has been made things convenient for, gasket 9 is worn to be equipped with to the opposite side of bolt 5 surface, nut 10 is worn to be equipped with to the one end screw thread of bolt 5, the forward dismantlement use method is: the stud 3 is fixed, the nut 10 is continuously fastened, so that the thread stroke of the bolt 5 is gradually reduced, the back wheel is pulled out in the forward direction through the uniform shortening stroke of the three arc-shaped flanges 6, and the reverse using method is as follows: the three arc flanges 6 are tightened to make the stud 3 screwed in the direction opposite to the pulling direction of the back wheel, and pulled out by the acting force and the reacting force.

In conclusion, the double-sided modularized combined puller is used, when in use, the round steel plate 1 replaces a central stress point, the studs 3 replace puller legs, the arc flanges 6 replace puller feet, the contact area is increased, after the puller is combined, the back rest wheels can be disassembled by operating the fastening studs 3, and the back rest wheels can be disassembled by operating the fastening arc flanges 6, meanwhile, the disassembly work of the coupling back rest wheels with different structural sizes can be realized by replacing the studs 3 with different lengths, the modular combination of tools is realized, the working efficiency is greatly improved, compared with the method of smashing the back rest wheels by using a copper hammer, the stability and the reliability are realized, the damage to the shaft shoulder position of the back rest wheel by using the copper hammer is effectively avoided, the damage to the shaft shoulder position of the back rest wheel by using the copper hammer is also reduced, and the service life of the equipment is greatly prolonged.

In the utility model, the working steps of the device are as follows:

1. reverse use operation steps: firstly, the arc flange 6, the stud 3 and other components are combined, then the arc flange 6 is tightly embraced on the neck of the coupler (pre-tightening), the stud 3 is abutted against the center of the pump shaft (pre-tightening), the bolt 5 and the nut 10 on the arc flange 6 are tightened (pre-tightening) through a wrench, then the handle 7 is held by two hands, the puller is prevented from rotating along with the shaft when the stud 3 is fastened, a lengthening rod and other tools can be sleeved on the handle to increase the anti-rotation torque, then the stud 3 is slowly fastened by the wrench to move inwards slowly, so that the back wheel is slowly pulled out under the driving of acting force and reacting force, and the back wheel is pulled out;

2. forward use operating steps: firstly, the arc flange 6 and the stud 3 are combined, the arc flange 6 is tightly embraced on the neck of a coupler (pre-tightening), the stud 3 is pushed against the center of a pump shaft (pre-tightening), the bolt 5 and the nut 10 on the arc flange 6 are tightened through a wrench (pre-tightening), then the handle 7 is held by two hands, the puller is prevented from rotating along with the shaft when the stud 3 is tightened, tools such as an extension bar and the like can be sleeved on the handle to increase the anti-rotation torque, the stud 3 of the puller is tightened through the wrench, the bolt 5 and the nut 10 on the arc flange 6 of the puller are evenly tightened through the wrench, the back rest wheel is slowly pulled out under the driving of the acting force and the counter acting force, and the back rest wheel is pulled out (the pulling direction of the back rest wheel is taken as the positive direction).

In the description of the present application, the terms "connect", "mount", "fix", "set", "provided", and the like are used in a broad sense, for example, the term "connect" may be a fixed connection or an indirect connection through intermediate components without affecting the relationship and technical effects of the components, or may be an integral connection or a partial connection, and as such, for a person skilled in the art, the specific meaning of the terms in the present invention or the present invention can be understood according to specific situations.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machinery, parts and equipment adopt conventional models in the prior art and the conventional connection mode in the prior art in addition to circuit connection, the details are not described, and the structure and the principle of the parts known to the skilled person can be known by technical manuals or conventional experimental methods.

Claims

1. The utility model provides a two-sided modularization combination draws horse, includes circular steel sheet (1), its characterized in that: the welding of the positive middle part of circular steel sheet (1) has coupling nut (2), coupling nut (2) inside threaded connection has double-screw bolt (3), circular steel sheet (1) openly sets up three perforation (4) that are the annular array and distribute, bolt (5) are worn to be equipped with in the inside of perforation (4), arc flange (6) that are used for increasing area of contact are worn to be equipped with in one side of bolt (5) surface.

2. The modular combination puller for double surfaces as claimed in claim 1, wherein: the handle (7) is welded on the circular steel plate (1).

3. The modular combination puller for double surfaces as claimed in claim 1, wherein: and one end of the stud (3) is welded with a pull ring (8).

4. The modular combination puller for double surfaces as claimed in claim 1, wherein: a gasket (9) penetrates through the other side of the outer surface of the bolt (5), and a nut (10) penetrates through one end of the bolt (5).