CN108262602A - A kind of large scale equipment axis pin assembling and disassembling device - Google Patents

Abstract

The present invention provides a kind of large scale equipment axis pin assembling and disassembling device, wherein, which includes the Hydraulic Elements that one end is equipped with the first connecting elements, the Hydraulic Elements by the first connecting elements with it is detachably connected by the moving portion of operation object；The supporting rack being fixedly connected with the Hydraulic Elements other end, the supporting rack by be located at the second connecting elements of its end with it is detachably connected by the fixed part of operation object, the reaction force acts being subject to during for Hydraulic Elements to be worked are in the fixed part by operation object, wherein, when Hydraulic Elements push the movement of the first connecting elements, for will be installed on by the moving portion of operation object by the fixed part of operation object, when Hydraulic Elements pull the movement of the first connecting elements, for will be detached in by the moving portion of operation object by the fixed part of operation object.The large scale equipment axis pin assembling and disassembling device can be realized carries out disassembly and installation work with set of device to the large-scale axis pin on structure, greatly improves working efficiency.

Description

A large equipment pin assembly and disassembly device

technical field

The invention relates to the field of engineering machinery, in particular to a large equipment pin assembly and disassembly device.

Background technique

As a typical articulated connection, the pin connection has clear force transmission and simple structure, and is widely used in large modern steel structure projects and plays an important role. This involves the installation and disassembly of pin shafts. For the pin shafts used in large steel structures, special tools are often used for their installation and disassembly, otherwise it is difficult to achieve.

The currently commonly used pin assembly and disassembly tool is a separate assembly and disassembly tool, that is, the pin assembly tool cannot realize the pin disassembly operation, and the pin disassembly tool cannot realize the pin installation operation, because the pin assembly and disassembly must Different tools are replaced, which reduces the work efficiency of pin shaft assembly and disassembly. In addition, the current installation and disassembly process of large pin shafts mostly adopts mechanical rams, which not only has the problem of low work efficiency, but also has great potential safety hazards.

Contents of the invention

The main purpose of the present invention is to provide a large-scale equipment pin assembly and disassembly device, which can realize the installation and disassembly of the pin shaft by using a set of tools, so as to solve the problem of low efficiency in the pin assembly and disassembly work in the prior art.

In order to achieve the above object, the present invention provides a large equipment pin assembly and disassembly device. It includes: a hydraulic element with a first connecting member at one end, the hydraulic element is detachably connected with the moving part of the object to be operated through the first connecting member; a support frame fixedly connected with the other end of the hydraulic element, the The support frame is detachably connected to the fixed part of the operated object through the second connecting member provided at its end, and is used to apply the reaction force received by the hydraulic element to the fixed part of the operated object. part, wherein when the hydraulic element pushes the first connecting member to move, the moving part for installing the object to be operated is mounted on the fixed part of the object to be operated, and the hydraulic element pulls the first connecting member When the member moves, the moving part for detaching the object to be operated from the fixed part of the object to be operated.

Optionally, the support frame includes a telescopic element, and the telescopic element is detachably connected to the fixed part of the object to be operated through the second connection member provided at one end thereof.

Optionally, the telescopic element includes a push-pull rod and a rod sleeve, the rod sleeve can move relative to the push-pull rod in the axial direction of the push-pull rod, and the push-pull rod passes through the first The two connecting members are detachably connected to the fixed part of the object to be operated.

Optionally, the second connection member includes a connection fork and a pin element, and the connection fork is provided at one end of the push-pull rod for detachable connection with the fixed part of the object to be operated, so that A structural pre-weld is provided on the surface of the fixed part of the object to be operated, and the structural pre-weld is connected to the connecting fork through the pin element.

Optionally, the hydraulic element includes a hydraulic cylinder and a hydraulic rod, one end of the hydraulic rod is detachably connected to the moving part of the operated object through the first connecting member, and the other end is connected to one end of the hydraulic cylinder .

Optionally, the large equipment pin installation and disassembly device further includes a connecting piece, the connecting piece is provided with a screw hole, the outer surface of the hydraulic cylinder is provided with an external thread that matches the internal thread of the screw hole, and the The connecting piece is connected with the connecting fork provided at the end of the rod sleeve through the pin element.

Optionally, the first connection member includes a pin installation connection member or a pin detachment connection member.

Optionally, the pin shaft installation connection member includes a pusher socket and a pusher head, the pusher socket is detachably connected to the moving part of the object to be operated, and the pusher head is connected to the hydraulic rod One end is detachably connected.

Optionally, the detachable connecting member of the pin shaft includes a puller bolt and a puller yoke, the puller bolt is detachably connected to the moving part of the object to be operated, and the puller yoke is connected to the hydraulic pressure One end of the rod is detachably connected.

Optionally, one end of the horse-pushing nest is provided with a cavity, and when the object to be operated is assembled, the cavity partially accommodates the horse-pushing head for abutting against the horse-pushing head.

Optionally, the surface of the moving part of the object to be operated is provided with a threaded hole, and the threaded hole is detachably connected to the first connecting member. When the object to be operated is installed, the pushing horse socket and the The threaded hole is detachably connected, and the puller bolt is detachably connected with the threaded hole when the object to be operated is disassembled.

Optionally, the moving part of the object to be operated is a pin shaft, and the fixed part of the object to be operated is a steel structure.

In the pin installation and disassembly device provided by the present invention, when the pin is disassembled, the pulling force of the hydraulic cylinder pulls the pin out of the structure, thereby realizing the purpose of disassembling the pin; when the pin is installed, the large thrust of the hydraulic cylinder pulls the pin Advance the structure to realize the purpose of installing the pin. Compared with the prior art, the technical solution of the present invention has the following advantages: the large-scale equipment pin assembly and disassembly device provided by the present invention can use a set of pin assembly and disassembly tools to realize the disassembly and installation of large-scale pin shafts.

Description of drawings

Fig. 1 is a configuration diagram of a large-scale equipment pin removal device provided by an embodiment of the present invention;

Fig. 2 is a component diagram of a large-scale equipment pin removal device provided by an embodiment of the present invention;

Fig. 3 is a configuration diagram of a large-scale equipment pin installation device provided by an embodiment of the present invention;

Fig. 4 is a component diagram of a pin shaft installation device for large-scale equipment provided by an embodiment of the present invention.

Explanation of reference numbers:

Rod sleeve 101; push-pull rod 102; hydraulic cylinder 201; hydraulic rod 202; puller fork 301; puller bolt 302; push horse

nest 401; pusher head 402; pin 501; threaded hole 502 on the surface of the pin; steel structure 601; structural pre-weld 602;

Connecting piece 701 ; connecting fork 702 ; pin element 703 .

Detailed ways

As a typical articulated connection, the pin connection has clear force transmission and simple structure, and is widely used in large modern steel structure projects and plays an important role. This involves the installation and disassembly of pin shafts. For the pin shafts used in large steel structures, special tools are often used for their installation and disassembly, otherwise it is difficult to achieve.

The existing pin disassembly tools commonly used are separate assembly and disassembly tools, that is, the pin installation tool cannot realize the disassembly operation of the pin shaft, and the pin shaft removal tool cannot realize the installation operation of the pin shaft, because the disassembly and assembly of the pin shaft must Different tools are replaced, which reduces the working efficiency of pin shaft disassembly.

In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

FIG. 1 is a configuration diagram of a large-scale equipment pin removal device. Referring to FIG. 1 , an embodiment of the present invention provides a large-scale equipment pin removal device. It includes: a hydraulic element with a first connecting member at one end, through which the hydraulic element is detachably connected to the moving part of the object to be operated; a support frame fixedly connected with the other end of the hydraulic element, through which the support frame The second connecting member of the part is detachably connected with the fixed part of the operated object, and is used to act on the fixed part of the operated object by the reaction force received when the hydraulic element is working, wherein the hydraulic element pushes the first connecting member to move when the moving part of the operated object is installed on the fixed part of the operated object, and when the hydraulic element pulls the first connecting member to move, it is used to detach the moving part of the operated object from the fixed part of the operated object.

Those skilled in the art can understand that the process of installing or removing the pin shaft is actually a process of moving the pin shaft relative to the main body of the device on which the pin shaft needs to be installed, that is, the moving process of the moving part relative to the fixed part. Therefore, at this time, the main body of the device can be called the fixed part of the object to be operated, and the pin shaft can be called the moving part of the object to be operated.

In this way, it can be further understood that the protection scope of the present invention is not limited to the pin shaft, as long as the operation is similar to the assembly and disassembly of the pin shaft, that is, the device provided by the embodiment of the present invention is used to realize the moving part and the fixed part of the operated object The assembly and disassembly of the moving part relative to the fixed part due to relative displacement all belong to the protection scope of the present invention.

Fig. 1 is a configuration diagram of a large-scale equipment pin removal device. As shown in Figure 1, in this embodiment, the fixed part of the object to be operated is a steel structure 601, the moving part of the object to be operated is a pin shaft 501, and the fixed part of the object to be operated is other parts than the pin shaft . The large equipment pin installation and disassembly device provided in this embodiment can install the large pin 501 into the steel structure 601, and disassemble the pin 501 from the steel structure 601 when disassembly is required.

When the large-scale equipment pin installation and disassembly device provided in this embodiment is in operation, since the hydraulic element is used as the power source for moving the pin, it can provide a large thrust or pulling force, which is suitable for the installation and disassembly of large-scale pins; The hydraulic components and the support frame are detachably connected to the pin shaft 501 and the steel structure 601 respectively, so that the parts of the corresponding assembly and disassembly device can be installed on the pin shaft 501 and the steel structure 601 only when assembly and disassembly is required. Affect the daily operation of the steel structure 601; in addition, the support frame connects the hydraulic element and the steel structure 601 at the same time, when the hydraulic element is working, push or pull the pin 501, the support frame supports the hydraulic element, and bears the pressure of the hydraulic element for pushing or pulling out The reaction force of the pin shaft 501, and the reaction force acts on the steel structure 601, so that the force acting on the pin 501 is opposite to the force acting on the steel structure 601, thereby smoothly realizing the shaft 501 and the steel structure 601 relative movement.

Continuing to show in FIG. 1 , the support frame includes a telescopic element, and the telescopic element is detachably connected to the fixed part of the object to be operated through a second connecting member provided at one end thereof.

The function of the support frame is to keep the hydraulic components and the steel structure 601 in a relatively fixed position, so as to ensure that the force of the hydraulic components is transformed into the relative displacement of the pin shaft 501 and the steel structure 601 . Those skilled in the art can understand that on the basis of ensuring the support strength, the support frame includes telescopic elements, and the size of the support frame can be adjusted according to needs, that is, the relative position between the hydraulic element and the steel structure 601 can be adjusted, which can make The pin assembly and disassembly tool for large-scale equipment provided by this embodiment can also be used normally when encountering occasions such as longer pin shafts and more cramped operating spaces.

The support frame includes a telescopic element, which is detachably connected to the fixed part of the object to be operated through a second connecting member provided at one end thereof.

Here, the length of the support frame can be fixed, but in order to make the assembly and disassembly of the pin more convenient, the support frame here can include a telescopic element, which can realize the function of adjusting the length of the support frame, and then can Indirectly achieve the purpose of flexibly controlling the volume of the large-scale equipment pin assembly and disassembly device. When the supporting frame performs a retracting motion, the volume of the device for attaching and dismounting the pin shaft of large equipment decreases, and when the supporting frame performs a motion of extending, the volume of the device for attaching and dismounting the pin shaft of large equipment increases. At the same time, the function of adjusting the position of the large equipment pin assembly and disassembly device in real time according to different working conditions can also be realized by taking advantage of its flexible volume change. For example, when the working space is small, the large equipment pin assembly can be appropriately reduced The volume of the disassembly device is adapted to the working environment. In addition, the volume of the large-scale equipment pin assembly and disassembly device can be adjusted in real time according to the force required for disassembly of the operated object.

Fig. 2 is a schematic diagram of the components of the large-scale equipment pin removal device. Referring to Fig. 1 and combined with Fig. 2, the telescopic element includes a rod sleeve 101 and a push-pull rod 102, and the rod sleeve 101 can move relative to the push-pull rod 102 in the axial direction of the push-pull rod 102, The push-pull rod 102 is detachably connected to the fixed part of the object to be operated through a second connecting member provided at one end thereof.

Wherein, through the relative movement between the rod sleeve 101 and the push-pull rod 102, the telescopic function of the support frame is realized. The size fulfills the function of adjusting the length of the telescopic element.

Fig. 4 is a schematic diagram of the parts of the large-scale equipment pin installation device. Referring to Fig. 1 and in conjunction with Fig. 4, the second connecting member includes a connecting fork 702 and a pin element 703, and the connecting fork 702 is arranged at the end of one end of the push-pull rod 102 for It is detachably connected with the fixed part of the object to be operated, and the surface of the fixed part of the operated object is provided with a structural pre-welded part 602 , and the structural pre-welded part 602 is connected with the connecting fork 702 through a pin element 703 .

In order to better fix the support frame, a structural pre-weld 602 can be provided on the surface of the steel structure 601, and the surface of the structural pre-weld 602 is provided with a through hole that matches the connecting fork 702, and the pin element 703 is used to connect the The fork 702 is connected to the through hole on the surface of the structural pre-welding part 602, so as to achieve the purpose of fixing the support frame. Here, the pin element 703 can be an installation pin element. In order to better fix the pin assembly and disassembly device of large equipment, the support frame can include at least 3 support points, which are all detachably connected to the fixed part of the operated object, and the above 3 support points correspond to 3 push-pull rods respectively 102 and three rod sleeves 101 that match the aforementioned push-pull rods 102 .

In other embodiments, in order to better fix the large-scale equipment pin assembly and disassembly device during the pin assembly and disassembly process, it is also possible to implement a certain upward movement of the large-scale equipment pin assembly and disassembly device by using certain lifting equipment. Pulling force, implement auxiliary fixation.

Continuing to refer to FIG. 1 and in conjunction with FIG. 2 , the hydraulic components include a hydraulic cylinder 201 and a hydraulic rod 202 , one end of the hydraulic rod 202 is detachably connected to the moving part of the object to be operated through a first connecting member, and the other end is connected to one end of the hydraulic cylinder 201 .

Here, the hydraulic cylinder 201 provides power for the assembly and disassembly device of the large-scale equipment pin. Due to the use of hydraulic pressure, it can provide a large disassembly force for the assembly and disassembly device of the large-scale equipment pin. This dismounting force can be calculated according to the specifications and area data of the configured oil cylinder, and it is possible to select large-scale equipment pin assembly and disassembly devices with different hydraulic pressures according to different working conditions, so as to meet the needs of different equipment assembly and disassembly pin shafts.

In this embodiment, the large equipment pin assembly and disassembly device also includes a connecting piece 701. The connecting piece 701 is provided with a screw hole. The outer surface of the hydraulic cylinder 201 is provided with an external thread that matches the internal thread of the screw hole. The connecting fork 702 at the end of the rod sleeve 101 is connected by a pin element 703 .

In the installation and disassembly device for large-scale equipment pins in this embodiment, the connecting piece 701 is used to connect the hydraulic cylinder 201 and the rod sleeve 101 . Continuing to refer to FIG. 1 and in conjunction with FIG. 2 , the connecting member 701 includes a hollow cylindrical portion provided with internal threads and a wing-shaped portion provided with through holes. The outer surface of the hydraulic cylinder 201 is provided with an external thread, which cooperates with the internal thread of the connecting piece 701 to realize the position adjustment of the hydraulic cylinder 201 and the connecting piece 701 . The connecting fork 702 at the end of the rod sleeve 101 is connected with the through hole provided on the wing portion of the connecting piece 701 with a pin element 703 .

The hydraulic cylinder 201 and the connecting piece 701 are connected by threads, so that the positions of the two can be adjusted by relative rotation, so that the hydraulic stroke can be adjusted conveniently when the pin shaft is loaded and unloaded, so as to meet the requirements of different pin shafts 501 or steel structural members 601 in size . In addition, if it is only used in a single occasion, the hydraulic cylinder 201 and the connecting member 701 may also be connected by welding in one piece, so as to achieve the purpose of fixing the position of the hydraulic cylinder 201 .

FIG. 3 is a configuration diagram of a pin installation device for large equipment. Referring to FIG. 2 and in combination with FIG. 3 , the first connection member includes a pin installation connection member or a pin removal connection member.

Wherein, when the pin shaft is installed, the hydraulic element transmits the hydraulic pressure to the surface of the pin shaft 501 of the operated object through the pin shaft installation connection member, and the pin shaft 501 is installed. When the pin shaft 501 is disassembled, the hydraulic element The hydraulic pressure is transmitted to the surface of the pin 501 of the object to be operated through the pin detachment connecting member, and the detachment of the pin is carried out. The first connecting member includes a pin-installed connecting member and a pin-dismounted connecting member. According to the needs of installation or disassembly, a suitable member can be selected to realize disassembly without changing or replacing other parts of the dismounting device.

Referring to Fig. 3 and in conjunction with Fig. 4, the pin shaft installation connecting member includes a horse pushing socket 401 and a horse pushing head 402. Removably connected.

One end of the horse-pushing nest 401 is provided with a cavity, and when the object to be operated is assembled, the cavity partially accommodates the horse-pushing head 402 for abutting against the horse-pushing head 402 .

The surface of the object to be operated can be preset with a threaded hole. In this embodiment, it is a threaded hole 502 on the surface of the pin shaft. The threaded holes 502 on the surface of the pin shaft are connected. When the pin is installed, the hydraulic element provides hydraulic pressure to drive the horse head 402 to push the object to be operated into the steel structure 601 , thereby achieving the goal of pushing the pin 501 into the steel structure 601 . During this process, the push horse socket 401 bears the thrust from the hydraulic components and transmits it to the pin shaft. At this time, any displacement between the push horse socket 401 and the pin shaft may cause the hydraulic component to be unstable. It may even cause damage to hydraulic components, connecting members, and threaded holes 502 on the surface of the pin shaft.

Continuing to refer to FIG. 3 and in conjunction with FIG. 4 , in another embodiment, the horse-pushing nest 401 can be provided with a cavity, and the cavity partially accommodates the horse-pushing head 402 and abuts against the horse-pushing head 402, while the horse-pushing nest 401 The cavity structure can position the pusher head 402 to prevent the hydraulic rod 202 from bending due to force bias and sliding of the pusher head 402 during installation. Put the pusher head 402 in the pusher nest 401 , and the thrust transmitted from the hydraulic cylinder 201 to the hydraulic rod 202 can push the pin shaft 501 of the operated object into the steel structure 601 .

Referring to Fig. 1, the connecting member for dismounting the pin shaft includes a puller bolt 302 and a puller fork 301, the puller bolt 302 is detachably connected with the moving part of the object to be operated, and the puller fork 301 is detachable from one end of the hydraulic rod 202 ground connection.

Referring to FIG. 1 and in combination with FIG. 2 , the pin dismounting connection member realizes the disassembly operation of the pin shaft 501 , here, the puller bolt 302 and the puller yoke 301 are connected by a pin element 703 to form a pin dismounting connection member. When the pin shaft is disassembled, the puller bolt 302 is threadedly connected to the moving part of the object to be operated, the puller fork 301 is detachably connected to one end of the hydraulic rod 202, and the hydraulic cylinder 201 transmits the hydraulic pressure to the hydraulic rod 202 , the hydraulic rod 202 makes a retraction movement to drive the pin shaft to disassemble the connecting member to move, so that the object to be operated can be pulled out of the steel structure 601 .

Referring to Figure 2 and in combination with Figure 4, the surface of the moving part of the object to be operated is provided with a threaded hole, and the threaded hole is detachably connected to the first connecting member. When the object to be operated is installed, the push horse socket 401 is detachably connected to the threaded hole , when the object to be operated is disassembled, the puller bolt 302 is detachably connected to the threaded hole.

The surface of the moving part of the object to be operated is provided with a threaded hole as the threaded hole 502 on the surface of the pin shaft. On the one hand, it provides a point of action for the assembly and disassembly of the pin shaft, and on the other hand, it can protect the surface structure of the pin shaft from being damaged. When installing the object to be operated, the push horse socket 401 is connected with the threaded hole 502 on the pin shaft surface, the hydraulic cylinder 201 transmits the hydraulic pressure to the hydraulic rod 202, and the hydraulic rod 202 stretches out to drive the pin shaft installation connecting member to move, thereby realizing the The object to be operated pushes the steel structure 601 . When the object to be operated is disassembled, the puller bolt 302 is connected with the threaded hole 502 on the surface of the pin shaft, the hydraulic cylinder 201 transmits the hydraulic pressure to the hydraulic rod 202, and the hydraulic rod 202 retracts to drive the pin shaft to disassemble the connecting member to move, thereby realizing the The object to be operated pulls out the steel structure 601 .

In other embodiments, in consideration of the heavy gravity of the object to be operated during the assembly and disassembly of the pin shaft, a certain upward pulling force can be applied to the object to be operated when the assembly and disassembly of a large-scale object is carried out. Operation, to achieve the purpose of fixing the object in the vertical direction, not only improves the efficiency of assembly and disassembly operations, but also improves the safety and operability of assembly and disassembly operations.

In addition, it should be noted that the threaded holes involved in the present invention should be treated with anti-corrosion treatment to facilitate reliable use.

Different from the existing separate pin mounting and dismounting tools, the first connecting member provided by the present invention includes a pin mounting connecting member and a pin dismounting connecting member, which can be achieved by selecting a suitable member according to the needs of installation or disassembly Assembling and disassembling without changing or replacing other parts of the dismounting device improves the working efficiency of disassembling and assembling the pin shaft.

Although the present invention is disclosed as above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be defined by the claims. The limited range prevails.

Claims (12)

1. A large-scale equipment pin assembly and disassembly device, characterized in that it includes: a hydraulic element with a first connecting member at one end, and the hydraulic element is detachably connected to the moving part of the operated object through the first connecting member; A support frame fixedly connected to the other end of the hydraulic component, the support frame is detachably connected to the fixed part of the operated object through a second connecting member provided at its end, and is used to operate the hydraulic component The reaction force received during the operation acts on the fixed part of the operated object, Wherein, when the hydraulic element pushes the first connecting member to move, it is used to install the moving part of the operated object on the fixed part of the operated object, and the hydraulic element pulls the first connecting member to move , for detaching the moving part of the operated object from the fixed part of the operated object. 2. The installation and disassembly device for large-scale equipment pins according to claim 1, characterized in that, the support frame includes a telescopic element, and the telescopic element is connected with the said second connecting member at one end thereof The fixed part of the object to be operated is detachably connected. 3. The installation and disassembly device for large-scale equipment pins according to claim 2, characterized in that, the telescopic element includes a push-pull rod (102) and a rod sleeve (101), and the rod sleeve (101) The axial direction of the pull rod (102) is movable relative to the push-pull rod (102), and the push-pull rod (102) is detachably connected to the fixed part of the operated object through the second connecting member provided at one end thereof. connect. 4. The installation and disassembly device for large-scale equipment pins according to claim 3, characterized in that, the second connecting member comprises a connecting fork (702) and a pin element (703), and the connecting fork (702) is set One end of the push-pull rod (102) is used to detachably connect with the fixed part of the operated object, and the surface of the fixed part of the operated object is provided with a structural pre-weld part (602). The weldment (602) is connected with the connection fork (702) through the pin element (703). 5. The large equipment pin installation and disassembly device according to claim 4, characterized in that, the hydraulic components include a hydraulic cylinder (201) and a hydraulic rod (202), and one end of the hydraulic rod (202) passes through the first A connecting member is detachably connected to the moving part of the object to be operated, and the other end is connected to one end of the hydraulic cylinder (201). 6. The large-scale equipment pin installation and disassembly device according to claim 5, characterized in that, the large-scale equipment pin assembly and disassembly device also includes a connecting piece (701), and the connecting piece (701) is provided with a screw hole, The outer surface of the hydraulic cylinder (201) is provided with an external thread that cooperates with the internal thread of the screw hole, and the connecting piece (701) is connected to the connecting fork ( 702) connected by said pin element (703). 7 . The device for attaching and dismounting pin shafts of large equipment according to claim 5 , wherein the first connecting member comprises a pin shaft installing connecting member or a pin shaft dismounting connecting member. 8 . 8. The large equipment pin installation and disassembly device according to claim 7, characterized in that, the pin mounting connection member comprises a push horse socket (401) and a push horse head (402), and the push horse socket (401 ) is detachably connected with the moving part of the object to be operated, and the pusher head (402) is detachably connected with one end of the hydraulic rod (202). 9. The large equipment pin installation and disassembly device according to claim 7, characterized in that, said pin dismounting connection member comprises a puller bolt (302) and a puller yoke (301), and said puller bolt (301) 302) is detachably connected to the moving part of the object to be operated, and the puller fork (301) is detachably connected to one end of the hydraulic rod (202). 10. The device for installing and dismounting large-scale equipment pins according to claim 8, characterized in that, the pusher nest (401) is provided with a cavity, and when the object to be operated is assembled, the cavity partially accommodates the The horse pushing head (402) is used to abut against the horse pushing head (402). 11. The device for mounting and dismounting large equipment pins according to claim 9, characterized in that, the surface of the moving part of the object to be operated is provided with a threaded hole, and the threaded hole is detachably connected to the first connecting member , when the object to be operated is installed, the pusher socket (401) is detachably connected to the threaded hole, and when the object to be operated is removed, the puller bolt (302) is connected to the threaded hole Removably connected. 12. The installation and disassembly device for pin shafts of large equipment according to claim 1, characterized in that, the moving part of the object to be operated is a pin shaft (501), and the fixed part of the object to be operated is a steel structure (601 ).