CN217648298U

CN217648298U - Reciprocating compressor air valve dismounting tool

Info

Publication number: CN217648298U
Application number: CN202122329586.4U
Authority: CN
Inventors: 张云鹏; 李宇豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-10-25
Anticipated expiration: 2031-09-26

Abstract

A reciprocating compressor air valve assembly and disassembly tools, it mainly includes 3 can fix whole reciprocating compressor air valve assembly and disassembly tools fixed sleeve (2) in the air valve gland flange of the reciprocating compressor, lift the terrace (13), drive the rotatory rotary platform (9) of the lift terrace and can be along the main terrace (7), (8) that the filament pole (3) goes up and down, and link by the link chain in the main terrace, drive 3 sprocket nuts (4) and a driving sprocket (6) etc. that whole main terrace goes up and down; when the reciprocating compressor is repaired, the lower air valve which is dozens of jin of weight is disassembled, which is a very laborious and dangerous thing.

Description

Reciprocating compressor air valve dismounting tool

Technical Field

The utility model belongs to the technical field of reciprocating compressor auxiliary assembly, a dismouting specialized tool for reciprocating compressor lower part pneumatic valve.

Background

With the development of chemical enterprises, reciprocating compressors are also developing towards higher pressure and larger volume, and parts of the reciprocating compressors are also larger and heavier, which brings certain difficulties to maintenance work. When the reciprocating compressor air valve is maintained, a maintenance worker needs to operate by one person because of limited space. When the air valve is maintained, a user needs to lie on the ground with the face facing upwards, the air valve weighing tens of jin is lifted from the head and is installed on a machine body, in the process, dirty objects often fall into eyes, and sometimes the air valve weighing tens of jin or a valve pressing cover can fall off due to insufficient strength or carelessness to cause safety injury to maintenance workers. Therefore, in the maintenance of the large reciprocating compressor, the maintenance and replacement of the gas valve become a big problem. The utility model discloses this problem of solution that can be fine.

Disclosure of Invention

The utility model relates to a rationally, convenient to use, it is safe high-efficient, can solve and overcome the difficulty above. It is an ideal special tool for overhauling the reciprocating compressor air valve.

The reciprocating compressor air valve dismounting tool comprises 3 fixing sleeves (2) with threaded holes at two ends respectively, the outer sides of the fixing sleeves are hexagonal and convenient to fasten, and one end of the fixing sleeve is provided with a threaded hole (1) matched with an air valve gland fastening bolt and can be connected with the 3 compressor air valve gland fastening bolts respectively. The other end is provided with a threaded hole matched with the long screw rod (3) and is respectively and fixedly connected with one end of the 3 long screw rods (3). The other end of the long screw rod is connected with a threaded hole (16) of the 3 chain wheel nuts (4) by threads.

The internal thread in the threaded hole (16) on the chain wheel nut (4) is in threaded fit with the long thread rod (3) and is through. Bosses (15) with larger diameters are machined between the 3 sprocket nuts and one driving sprocket (6), and a sprocket (17) is fixed at the same position of each boss. 3 chain wheel nuts and a driving chain wheel (6) are circularly distributed on the upper main platform (7) and the lower main platform (8). The 3 chain wheel nuts are connected with a driving chain wheel by a matched chain (5). The difference between the driving sprocket (6) and the sprocket nut (4) is that: the chain wheel nut (4) is provided with a threaded hole (16) matched with the long screw rod and matched with the long screw rod (3), and the driving chain wheel (6) is provided with a square hole which can be inserted and rotated by a ratchet wrench.

The upper main platform (7) and the lower main platform (8) are respectively provided with 4 through holes at the same position, the holes are distributed in a circular shape, and the distribution size of the holes is the same as the distribution size of fastening bolts of the air valve gland of the compressor. The aperture of 4 round holes on the upper main platform and the lower main platform is slightly larger than the shaft diameter of the two ends of the chain wheel nut (4) and the driving chain wheel (6) and is smaller than the straight diameter of the lug boss (15). The holes between the upper platform and the lower platform are corresponding to the holes and are fixed at intervals to form a hollow whole, and the space distance of the hollow whole is slightly larger than the length of the chain wheel nut (4) and the boss (15) on the driving chain wheel (6). 3 sprocket nuts (4) and a drive sprocket (6) are mounted in the hole between the upper and lower main platforms. The outer diameter of the sprocket nut (4) and the drive sprocket (6) of the boss (15) is larger than the aperture of the platform, so that the sprocket nut and the drive sprocket are limited to rotate only between the upper main platform (7) and the lower main platform (8) and cannot move axially.

4 limit screws (14) are fixed on the lifting platform (13), and the limit screws can limit the rotation of the air valve when the air valve is disassembled and assembled; the lifting platform is mounted on a lifting arm (12). The lifting arms are of a two-layer structure, 4 lifting arms are arranged on each layer, two lifting arms are in a group, and every two lifting arms are connected in a cross mode. The upper ends of the upper 4 lifting arms are movably connected (only rotatable and immovable) with 4 corners on the lifting platform by connecting rivets, and the lower ends of the upper 4 lifting arms are movably connected with the upper ends of the lower lifting arms by connecting rivets (23). The lower layer lifting arms are movably connected in pairs at the middle positions by connecting rivets (23), and the lower ends of the lower layer 4 lifting arms are respectively movably connected with the two ends of the driving rod (22). The lifting arm is rotatable at the position of the connection rivet. The lower end of the fixing block (20) is fixed in the center of the fixing frame (21), the upper end of the fixing block is provided with a through hole slightly larger than the outer diameter of the lifting screw rod (10), and the lifting screw rod penetrates through the hole. A shaft snap ring is arranged at the position of the lifting screw rod, which is tightly attached to the fixed block, and the lifting screw rod (10) can only do rotary motion in the fixed block (20) and cannot move axially under the limitation of the snap ring. One end of the lifting screw rod is provided with a rotating handle (11), and the other end of the lifting screw rod, which is close to the rotating handle from the middle and is provided with a reverse thread, is provided with an orthodontic thread by taking the fixed frame (21) as the center. Two driving rods (22) are respectively connected with threads on two sides, a positive thread and a negative thread matched with the threads of the lifting screw rod (10) are respectively arranged between the two driving rods, and the lifting screw rod is connected with the threads. Two ends of the driving rod are respectively movably connected with the lower end of the lower lifting arm. When the lifting screw rod (10) is rotated, the driving rod (22) is driven to be close to or far away from the fixed block (20), one end of the group of lifting arms is driven to be close to or far away by the driving rod, and the lifting platform (13) ascends or descends under the action of the connecting rivet (23). The rotating handle (11) can drive the lifting screw rod (10) to rotate, so that the lifting frame (13) is controlled to ascend and descend.

A plane bearing is arranged between the upper rotary platform (18) and the lower rotary platform (19), and the plane bearing is axially fixed at the central position, so that the two platforms can do rotary motion around the central point to form the rotary platform (9). The fixed frame (21) is fixed on the upper rotary platform (18) in the center and can rotate relative to the center of the lower rotary platform (19). The lower rotary platform is fixed in the middle of the upper main platform (7).

Drawings

Fig. 1 is a schematic view of the overall structure.

Fig. 2 is a schematic diagram of the internal structure of the main platform.

FIG. 3 is a schematic view of a rotating platform.

Fig. 4 is a schematic view of the harness.

FIG. 5 is a schematic view of a sprocket nut.

Figure 6 schematic view of the crane.

In the figure: (1) a threaded hole; (2) fixing a sleeve; (3) a long screw rod; (4) a sprocket nut; (5) a chain; (6) a drive sprocket; (7) mounting a main platform; (8) a lower main platform; (9) rotating the platform; (10) lifting screw rods; (11) rotating the handle; (12) a lifting arm; (13) lifting the platform; (14) a limit screw; (15) a boss; (16) a threaded hole; (17) a sprocket; (18) an upper rotating platform; (19) a lower rotary platform; (20) fixing blocks; (21) a fixing frame; (22) a drive rod; and (23) connecting the rivets.

Detailed Description

When the air valve is installed, 3 fixing sleeves (2) are screwed on a fastening bolt of an air valve gland of the reciprocating compressor in a semicircular shape. One end of each of 3 long screw rods (3) is screwed on a corresponding threaded hole (16) of each of 3 chain wheel nuts (4), and the other end of each of the 3 long screw rods is fastened on the corresponding 3 fixing sleeves (2), so that the whole reciprocating compressor air valve disassembling tool is fixed on the reciprocating compressor air valve fastening bolt. With stop screw (14) alignment air valve's air flue hole groove on the reciprocating compressor pneumatic valve assembly and disassembly tools, place the pneumatic valve on lift platform (13), it follows the rotation to rotate twist grip (11) messenger lift lead screw (10), it is close to each other to drive actuating lever (22), thereby make lift platform (13) and pneumatic valve rise, rise to peak after with rotatory driving sprocket (6) of spanner, chain (5) on the driving sprocket drive 3 sprocket nuts (4) synchronous revolution, thereby drive the main platform, rotary platform (9), lift platform (13), the pneumatic valve is up-moved along long lead screw (3) together. When the air valve rises to the mounting position, the rotary platform (9) is rotated to enable the air valve to be mounted in place, and then the driving chain wheel (6) and the rotary handle (11) are rotated reversely to enable the reciprocating compressor air valve assembling and disassembling tool to return. When the pressure valve cover is installed, the pressure valve cover is only needed to be placed on the lifting platform (13), the lifting platform is not needed to be lifted by rotating the handle (11), the main platforms (7) and (8) are lifted by rotating the driving chain wheel (6), and the pressure valve cover is installed in place by rotating the rotating platform (9) when the pressure valve cover is lifted to the installation position. The working procedures are opposite when the device is disassembled.

Claims

1. A reciprocating compressor air valve dismounting tool is characterized by comprising: two ends of a fixing sleeve (2) are provided with different internal thread holes, one internal thread is fixedly connected with an air valve gland fastening bolt, one internal thread is fixedly connected with a long filament rod (3), the whole reciprocating compressor air valve assembling and disassembling tool can be fixed on a reciprocating compressor body through the long filament rod (3), 3 chain wheel nuts (4) and a driving chain wheel (6) are connected through a chain (5), the driving chain wheel is rotated to drive the chain wheel nuts to rotate together, so that the whole special tool is driven to ascend or descend along the long filament rod (3), a lifting platform (13) can ascend or descend by rotating a rotating handle (11), a rotating platform (9) consists of an upper rotating platform (18) and a lower rotating platform (19), a fixing frame (21) is fixed on the upper rotating platform (18), and can rotate relative to the lower rotating platform (19).

2. The tool for disassembling and assembling an air valve of a reciprocating compressor as claimed in claim 1, wherein: both ends of the fixed sleeve (2) are provided with internal thread holes, one end of the internal thread is in threaded connection with a fastening bolt of the air valve gland, and the other end of the internal thread is connected with the filament rod (3).

3. The tool for disassembling and assembling a reciprocating compressor air valve as claimed in claim 1, wherein: the driving chain wheel (6) is connected with the 3 chain wheel nuts (4) through chains (5).

4. The tool for disassembling and assembling a reciprocating compressor air valve as claimed in claim 1, wherein: the outside of the chain wheel nut (4) is provided with a chain wheel, and the middle part is provided with an internal thread hole matched with the filament rod (3).