CN220516683U - Impact type dismounting tool for overhauling hydraulic generator - Google Patents

Abstract

The utility model provides an impact assembly and disassembly tools for hydraulic generator overhauls, includes main part and a plurality of appurtenance, the main part includes ram and guide bar, the one end of guide bar is equipped with the external screw thread, and another is equipped with the internal thread hole, is leaning on the guide bar the fixed first atress board of installing in internal thread hole one side, the detachable second atress board of installing of external screw thread one end installs the nut on the external screw thread, ram suit on the guide bar to can slide between first atress board and second atress board, appurtenance includes screw rod, body of rod and tool bit, the screw rod is located the one end of the body of rod, and the tool bit is located the other end of the body of rod, screw rod and internal thread hole detachable are connected. Through the replaceable ram and different accessory tools, different impact force adjustment is realized, the use under different working conditions is met, and the working efficiency is improved.

Description

Impact type dismounting tool for overhauling hydraulic generator

Technical Field

The utility model relates to the technical field of hydraulic generator set mechanical overhaul tools, in particular to an impact type disassembly and assembly tool for hydraulic generator overhaul.

Background

In the mechanical overhaul of the hydroelectric generating set, after the bolt locking plate is frequently required to be knocked and flattened in the overhaul of the hydroelectric generating set, the bolt can be disassembled, and the traditional locking plate disassembling mode is that a straight screwdriver and a small hammer are used for matching and knocking, and the method is also the method during installation, and is time-consuming and labor-consuming during operation and low in efficiency; secondly, some narrow spaces are difficult to operate or cannot operate; thirdly, the operation process is easy to accidentally injure operators or damage adjacent parts, and the safety and the accuracy are not high.

In addition, the hydraulic turbine part is frequently required to be pulled out by pins, taper pins, pins and the like. The traditional pulling-out mode is to use a gasket, an I-shaped beam, a hydraulic ram to pull out taper pins and pins in a matched mode, a screw, a nut and a metal cylinder to pull out pins in a matched mode and use a traditional pin pulling workpiece to operate, and when the three methods operate, firstly, space limitation is caused, and tool erection is inconvenient; secondly, when the screw rod is used for pulling out, the screw thread is easy to slide, so that the pulling-out difficulty is increased; thirdly, the devices are various and separated, so that the devices are easy to slide or fall into a narrower space, and risks are caused during installation; fourth, the traditional pin pulling work piece is a special tool, and the limitation is too small and is only applicable to the same type of large and small units in the factory.

The problems of the dismounting tool and the dismounting mode seriously affect the convenience, safety and practicability of field operation, and the working efficiency is reduced, so that the impact dismounting tool for overhauling the hydraulic generator is provided.

Disclosure of Invention

The utility model aims to solve the technical problems that: the problem that exists among the above-mentioned background art is solved, provides an impact type assembly and disassembly tool for hydraulic generator overhauls, through the ram that can change and different appurtenance to make this instrument can satisfy different operating modes, improved work efficiency.

In order to achieve the technical characteristics, the aim of the utility model is realized in the following way:

the utility model provides an impact assembly and disassembly tools for hydraulic generator overhauls, includes main part and a plurality of appurtenance, the main part includes ram and guide bar, the one end of guide bar is equipped with the external screw thread, and another is equipped with the internal thread hole, is leaning on the guide bar the fixed first atress board of installing in internal thread hole one side, the detachable second atress board of installing of external screw thread one end installs the nut on the external screw thread, ram suit on the guide bar to can slide between first atress board and second atress board, appurtenance includes screw rod, body of rod and tool bit, the screw rod is located the one end of the body of rod, and the tool bit is located the other end of the body of rod, screw rod and internal thread hole detachable are connected.

The tool head is of a hook-shaped structure.

The hook-shaped structure is a flat hook body, an acute angle is formed between the flat hook body and the rod body, the flat hook body is wide in upper part and narrow in lower part, and the upper end of the flat hook body is a tip.

The hook-shaped structure is an arc-shaped hook body.

The tool head is of a cylindrical structure.

The tool head is of a polygonal column structure.

The polygonal column structure is a rectangular column structure.

The guide rod is provided with a first screwing groove and a second screwing groove, and the first screwing groove and the second screwing groove are respectively arranged on the guide rod and the inner threaded hole.

The utility model has the following beneficial effects:

1. the ram suit is on the guide bar to can slide between first atress board and second atress board, appurtenance includes screw rod, body of rod and tool bit, the screw rod is located the one end of body of rod, the tool bit is located the other end of body of rod, screw rod and internal thread hole detachable are connected. Through the replaceable ram and different accessory tools, different impact force adjustment is realized, the use under different working conditions is met, and the working efficiency is improved.

2. This impact type assembly and disassembly tools second atress board passes through two nuts to be fixed, passes through screw thread complex setting with appurtenance, has provided high holistic stability, can effectively prevent the instrument problem of disassembling suddenly and the problem that drops of spare part during operation, has guaranteed operating personnel's personal safety, has avoided spare part to lose in equipment, the environment.

3. The impact type dismounting tool is matched with accessory tools of different action objects through the main body part, and the integral workpiece formed by the impact type dismounting tool is subjected to drawing and hammering operation, so that the functional diversity of the dismounting tool and the convenience of manual operation are realized.

4. In the operation process, the force-bearing disc is pulled and hammered through the directional inertia impact of the hammer, so that the convenience and safety of operation are improved compared with the small hammer impact, and meanwhile, accessory tools can act on parts accurately and stably in the operation, so that the damage to adjacent equipment is avoided.

Drawings

Fig. 1 is a schematic structural view of a body member of the present utility model.

Fig. 2 is a schematic view of a first accessory tool according to the present utility model.

FIG. 3 is a schematic view of a second accessory tool according to the present utility model.

Fig. 4 is a schematic view of a third accessory tool according to the present utility model.

Fig. 5 is a schematic view of a fourth accessory tool according to the present utility model.

In the figure: external screw thread 1, nut 2, second atress board 3, ram 4, guide bar 5, first atress board 6, first groove 7 of twisting, internal thread hole 8, appurtenance 9, screw rod 91, body of rod 92, tool head 93, flat hook 931, arc hook 932, second groove 94 of twisting.

Detailed Description

Embodiments of the present utility model will be further described with reference to the accompanying drawings.

Referring to fig. 1-5, an impact type dismounting tool for overhauling a hydraulic generator comprises a main body part and a plurality of auxiliary tools 9, wherein the main body part comprises a ram 4 and a guide rod 5, one end of the guide rod 5 is provided with an external thread 1, the other end of the guide rod 5 is provided with an internal thread hole 8, a first stress plate 6 is fixedly arranged on one side of the guide rod 5 close to the internal thread hole 8, a second stress plate 3 is detachably arranged on one end of the external thread 1, a nut 2 is arranged on the external thread 1, the ram 4 is sleeved on the guide rod 5 and can slide between the first stress plate 6 and the second stress plate 3, the auxiliary tools 9 comprise a screw 91, a rod body 92 and a tool head 93, the screw 91 is positioned at one end of the rod body 92, the tool head 93 is positioned at the other end of the rod body 92, and the screw 91 is detachably connected with the internal thread hole 8. Through the replaceable ram 4 and different accessory tools 9, different impact force adjustment is realized, the use under different working conditions is satisfied, and the working efficiency is improved.

Referring to fig. 2 and 3, tool head 93 is of a hook-like configuration.

Specifically, referring to fig. 2, the hook structure is a flat hook 931, an acute angle is formed between the flat hook 931 and the rod 92, the flat hook 931 is wider at the top and narrower at the bottom, and the upper end is a tip.

When the device is used, the bolt locking plate is hooked by the tip part, the auxiliary tool rod body 92 is held by hand to keep balance, and the ram 4 is held by the other hand to knock the second stress plate 3, so that the bolt locking plate is pulled.

Specifically, referring to fig. 3, the hook structure is an arcuate hook body 932. The arc-shaped hook body 932 takes the shape of a hook.

When the pin, taper pin and pin are used, the screw holes with different sizes at the upper ends of the pin, taper pin and pin are provided with lifting lugs with different types, the arc-shaped hook 932 of the accessory tool 9 hooks the lifting lugs, the ram 4 is held to knock the second stress plate 3 upwards, and the pin, the taper pin and the pin are pulled.

Specifically, referring to fig. 4, tool head 93 is of cylindrical configuration.

Specifically, referring to fig. 5, tool head 93 has a polygonal cylinder structure, and further, the polygonal cylinder structure has a rectangular cylinder structure.

When the hammer is used, the cylinder structure and the polygonal cylinder structure of the accessory tool 9 are abutted against the pin, the taper pin and the pin, the hammer 4 is held to downwards strike the first stress plate 6, and hammering installation of the pin, the taper pin and the pin is realized. The tool head 93 of polygonal cylinder structure can make the bolt locking plate stress even everywhere when hammering the installation to the bolt locking plate, avoids diversified many times hammering to cause the injury to locking plate, bolt.

Further, the guiding rod 5 is provided with a first screwing groove 7 positioned on the internal threaded hole 8, and the rod body 92 is provided with a second screwing groove 94, so that the auxiliary tool 9 is convenient to mount and dismount. In use, the first driving groove 7 is gripped by a tool such as a wrench, and the second driving groove 94 is gripped by another wrench, thereby screwing the accessory tool 9 to the body member, or removing it.

The working principle of the utility model is as follows:

when the tool is used, the workpiece is hooked or pressed by the tool head 93 of the accessory tool 9, and the second stress plate 3 or the first stress plate 6 is knocked upwards by the ram 4, so that the workpiece is detached and installed. The nut 2 is detached, different impact force adjustment can be realized by replacing different hammers 4, and different accessory tools 9 are replaced, so that the use under different working conditions is met.

Claims (8)

1. An impact type dismounting tool for overhauling a hydraulic generator, which is characterized in that: including main part and a plurality of appurtenance (9), the main part includes ram (4) and guide bar (5), the one end of guide bar (5) is equipped with external screw thread (1), and another is equipped with internal thread hole (8), is leaning on guide bar (5) first atress board (6) of installing of internal thread hole (8) one side fixing, external screw thread (1) one end detachable installs second atress board (3), installs nut (2) on external screw thread (1), ram (4) suit on guide bar (5) to can slide between first atress board (6) and second atress board (3), appurtenance (9) are including screw rod (91), body of rod (92) and instrument head (93), and screw rod (91) are located the one end of body of rod (92), and instrument head (93) are located the other end of body of rod (92), screw rod (91) and internal thread hole (8) detachable are connected.

2. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 1, wherein: the tool head (93) is of a hook-shaped structure.

3. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 2, wherein: the hook-shaped structure is a flat hook body (931), an acute angle is formed between the flat hook body (931) and the rod body (92), the flat hook body (931) is wide in upper part and narrow in lower part, and the upper end of the flat hook body is a tip.

4. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 2, wherein: the hook structure is an arc-shaped hook body (932).

5. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 1, wherein: the tool head (93) is of a cylindrical structure.

6. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 1, wherein: the tool head (93) is of a polygonal column structure.

7. The impact type disassembly and assembly tool for overhauling hydraulic generator as claimed in claim 6, wherein: the polygonal column structure is a rectangular column structure.

8. An impact type disassembly and assembly tool for overhauling a hydraulic generator according to claim 1, wherein: the guide rod (5) is provided with a first screwing groove (7) positioned on the internal threaded hole (8), and the rod body (92) is provided with a second screwing groove (94).