CN214779153U

CN214779153U - Bearing device for on-site maintenance of reciprocating compressor

Info

Publication number: CN214779153U
Application number: CN202120202423.7U
Authority: CN
Inventors: 李君�; 马玲珑; 张伟; 李云生; 朱根才
Original assignee: Nanjing Jinling Petrochemical Construction And Installation Engineering Co ltd
Current assignee: Nanjing Jinling Petrochemical Construction And Installation Engineering Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-19
Anticipated expiration: 2031-01-25

Abstract

The application relates to a bearing device for the field maintenance of a reciprocating compressor, which relates to the technical field of the field maintenance of the reciprocating compressor; the reciprocating compressor comprises a bearing plate, a sliding assembly and a bracket, wherein the sliding assembly is arranged on the bearing plate and used for driving the bearing plate to slide in a slideway in the reciprocating compressor, the bracket is arranged on the bearing plate, and an adjusting piece for adjusting the height of the bearing plate is arranged on the sliding assembly; the transportation of the pressing body is rapidly completed, the time spent by the pressing body in the reloading process is shortened, and the overhauling efficiency of the reciprocating compressor is improved; meanwhile, the transportation of the pressing body is completed through the bearing plate, the labor intensity of operators in the maintenance process is reduced, the possibility of industrial injury of the operators in the maintenance process is reduced, and the possibility of damage caused by falling of the pressing body in the transportation process is reduced.

Description

Bearing device for on-site maintenance of reciprocating compressor

Technical Field

The application relates to the technical field of reciprocating compressor field overhaul, in particular to a bearing device for reciprocating compressor field overhaul.

Background

A reciprocating compressor is a device which cyclically changes the volume of a cylinder body through the reciprocating motion of a piston or a diaphragm in the cylinder and realizes the pressurization and delivery of gas.

In large-scale reciprocating compressor, the piston rod is connected through suppressing the body with the cross head, when overhauing reciprocating compressor, need in reciprocating compressor's slide dismantle and back dress the body of suppressing, suppress the body and all accomplish the transportation of suppressing the body through the hand is drawn to the people at the dismouting in-process.

In view of the above-mentioned related technologies, the inventor believes that the weight of the pressing body in the large-sized reciprocating machine is heavy, and the pressing body is only carried by hands, which requires much time in the maintenance process, resulting in low maintenance efficiency.

SUMMERY OF THE UTILITY MODEL

In order to improve reciprocating compressor more consuming time at the maintenance in-process, the lower problem of maintenance efficiency, this application provides a reciprocating compressor is bearing device for on-the-spot maintenance.

The application provides a pair of reciprocating compressor is bearing device for field overhaul adopts following technical scheme:

the utility model provides a reciprocating compressor field overhauls uses supporting device, includes bearing plate, sets up on bearing plate and is used for driving the sliding component that bearing plate slided in the slide of reciprocating compressor and sets up the bracket on bearing plate, be equipped with the regulating part that is used for adjusting bearing plate height on the sliding component.

By adopting the technical scheme, when the pressing body is reloaded, the bearing plate and the sliding assembly are firstly placed in the slide way of the reciprocating compressor, the pressing body is hoisted to the bearing plate by the crane, the pressing body is placed on the bracket, the bearing plate drives the sliding assembly to slide in the slide way by pushing the bearing plate, the bearing plate smoothly moves in the slide way, the bearing plate drives the pressing body to move by the bracket when moving, when the pressing body is positioned between the piston rod and the crosshead, the height of the crosshead of the bearing plate is adjusted by the adjusting assembly, the bearing plate drives the pressing body to ascend and descend, the concentric adjustment of the pressing body, the crosshead and the piston rod is realized, the connection of the pressing body, the piston rod and the crosshead is manually completed after the concentric adjustment is completed, the reloading of the pressing body is completed, the transportation of the pressing body is rapidly completed, and the time spent by the pressing body in the reloading process is shortened, the maintenance efficiency of the reciprocating compressor is improved; meanwhile, the transportation of the pressing body is completed through the bearing plate, the labor intensity of operators in the maintenance process is reduced, the possibility of industrial injury of the operators in the maintenance process is reduced, and the possibility of damage caused by falling of the pressing body in the transportation process is reduced.

Optionally, the sliding assembly includes a sliding plate, a sliding block fixed on the sliding plate, and a sliding steel ball rotatably connected to the sliding block, the sliding plate is slidably connected to the bearing plate, the sliding block is disposed on one side of the sliding plate away from the bearing plate, the sliding block extends out of a side surface of the sliding steel ball, and one side of the sliding steel ball extending out of the sliding block abuts against a slide way of the reciprocating compressor.

By adopting the technical scheme, when the bearing plate is driven to move, the bearing plate drives the sliding plate to move by pushing the bearing plate, the sliding plate drives the sliding block to move, the sliding block drives the sliding steel balls to move, the sliding steel balls rub with the slide way of the reciprocating compressor to rotate, and the sliding block smoothly moves in the slide way of the reciprocating compressor, so that the bearing plate is smoothly pushed to move.

Optionally, the adjusting member includes an ultra-thin jack fixed on the sliding plate, and a piston rod of the ultra-thin jack is fixedly connected to the supporting plate.

By adopting the technical scheme, when the height of the bearing plate needs to be adjusted, the piston rod of the ultra-thin jack extends out to push the bearing plate to move, so that the height of the bearing plate is smoothly adjusted.

Optionally, a placing arc surface is formed on the side surface of the bracket.

Through adopting above-mentioned technical scheme, when the body of suppressing is placed on the bracket, place the cambered surface and increase the area of contact between bracket and the body of suppressing, be favorable to improving the spacing effect of bracket and the body of suppressing, reduce the possibility that the body of suppressing takes place to remove on the bracket.

Optionally, a protection pad is arranged in the placing arc surface.

Through adopting above-mentioned technical scheme, the protection pad reduces and suppresses the possibility of body and bracket direct contact, reduces the bracket and abrades the possibility of suppressing the body.

Optionally, the bracket is provided with a hoop, and the bracket is provided with a connecting piece for fixing the hoop.

Through adopting above-mentioned technical scheme, after the body of suppressing is placed on the bracket, fix the staple bolt through the connecting piece to this further fixes the body of suppressing, reduces the possibility that the body of suppressing takes place the skew when removing in reciprocating compressor.

Optionally, the adjusting part includes an adjusting rod rotatably connected to the sliding plate, a driving worm is fixed on the adjusting rod, a transmission shaft is rotatably connected to the sliding plate, a driven worm wheel meshed with the driving worm is arranged on the transmission shaft, a lifting worm is fixed at one end, away from the driven worm wheel, of the transmission shaft, a lifting screw is rotatably connected to the sliding plate, a lifting worm wheel meshed with the lifting worm is fixed to the lifting screw, one end, away from the lifting worm wheel, of the lifting screw penetrates through the bearing plate, and the lifting screw is in threaded connection with the bearing plate.

By adopting the technical scheme, when the height of the bearing plate is adjusted, the adjusting rod is rotated to drive the driving worm to rotate, the driving worm drives the driven worm wheel to rotate, the driven worm wheel drives the transmission shaft to rotate, the transmission shaft drives the lifting worm to rotate, the lifting worm drives the lifting worm wheel to rotate, the lifting worm wheel drives the lifting screw to rotate, the lifting screw drives the bearing plate to move along the axis direction of the lifting screw when rotating, after the adjustment is completed, the self-locking principle of the lifting worm wheel and the lifting worm is utilized again to limit the rotation of the lifting screw, so that the position of the bearing plate is smoothly fixed, and the height of the lifting screw is smoothly adjusted.

Optionally, a guide rod is fixed on the sliding plate, and the guide rod penetrates through the bearing plate and is connected with the bearing plate in a sliding manner.

By adopting the technical scheme, the guide rod limits the moving direction of the bearing plate, and the possibility of offset of the bearing plate in the moving process is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the pressing body is reassembled, the bearing plate and the sliding assembly are placed in a slide way of the reciprocating compressor, the pressing body is lifted to the bearing plate by the travelling crane, the pressing body is borne by the bracket and then pushed, the bearing plate slides in the slide way through the sliding assembly, so that the pressing body is smoothly driven to move to one side close to the piston rod, the height of the bearing plate is adjusted by the adjusting piece, the height of the pressing body is adjusted, concentric adjustment of the pressing body, the piston rod and the crosshead is realized, after the adjustment is completed, the pressing body, the piston rod and the crosshead are connected together, the reassembly of the pressing body is smoothly completed, the time spent by the pressing body in the reassembly process is shortened, and the overhauling efficiency of the reciprocating compressor is improved; meanwhile, the transportation of the pressing body is completed through the supporting plate, so that the possibility that a worker manually carries the pressing body is reduced, the labor intensity of the worker in the overhauling process is reduced, the possibility that the worker is damaged by work is reduced, and the possibility that the pressing body falls off to cause damage in the transportation process is also reduced;

2. the cambered surface is arranged to increase the contact area between the bracket and the pressing body, improve the limiting effect of the bracket on the pressing body and reduce the possibility of the pressing body shifting in the transportation process;

3. the protection pad reduces the possibility that the pressing body is directly contacted with the bracket, and reduces the possibility that the bracket abrades the pressing body.

Drawings

Fig. 1 is an overall structure schematic diagram of a supporting device for on-site maintenance of a reciprocating compressor in embodiment 1 of the present application.

Fig. 2 is an exploded view of the anchor ear, the bracket and the connecting member in embodiment 1 of the present application.

Fig. 3 is a schematic cross-sectional view of the slide plate, the slide block, and the slide ball in fig. 1.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an overall structure schematic diagram of the supporting device for the field overhaul of the reciprocating compressor in the embodiment 2 of the application.

Fig. 6 is a schematic sectional view showing the sliding plate, the adjusting member and the support plate of fig. 5.

Fig. 7 is an enlarged view of a portion B in fig. 6.

Description of reference numerals: 1. a support plate; 11. a bracket; 111. placing an arc surface; 112. a protection pad; 113. hooping; 1130. a turnover prevention sleeve; 12. a connecting member; 121. a fixing plate; 1210. connecting grooves; 1211. connecting holes; 2. a sliding assembly; 21. a sliding plate; 211. a sliding cavity; 22. a slider; 221. a sliding notch; 23. sliding the steel ball; 231. small steel balls; 3. an adjustment member; 31. an ultra-thin jack; 32. adjusting a rod; 321. a drive worm; 33. a drive shaft; 331. a driven worm gear; 332. a lifting worm; 34. a lifting screw; 341. a lifting worm gear; 35. a guide rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a supporting device for on-site maintenance of a reciprocating compressor.

Example 1

Referring to fig. 1, the supporting device for the field overhaul of the reciprocating compressor comprises a supporting plate 1, a bracket 11, a sliding component 2 for driving the supporting plate 1 to slide in a slide way of the reciprocating compressor and an adjusting piece 3 for adjusting the height of the supporting plate 1, wherein the sliding component 2 is arranged on the bottom wall of the supporting plate 1, the adjusting piece 3 is arranged on the sliding component 2, the bracket 11 is arranged on one side of the supporting plate 1, which is far away from the sliding component 2, an upper top wall of the bracket 11 is provided with a placing arc surface 111, and a protective pad 112 is adhered in the placing arc surface 111; when the pressing body is reinstalled, the supporting plate 1 and the sliding assembly 2 are placed on a slide way of the reciprocating compressor, the pressing body is lifted to the bracket 11 by the traveling crane and placed in the placing cambered surface 111, the bracket 11 is separated from the pressing body by the protective pad 112, the possibility that the pressing body is abraded by the bracket 11 is reduced, and the moving range of the pressing body is limited by the placing cambered surface 111; after the pressing body is placed, an operator manually pushes the bearing plate 1, the bearing plate 1 drives the sliding assembly 2 to slide in a slide way of the reciprocating compressor, the bearing plate 1 drives the pressing body to be close to the piston rod and the crosshead through the bracket 11, the height of the bearing plate 1 is adjusted through the adjusting piece 3, the bearing plate 1 pushes the pressing body to be lifted through the bracket 11, the height of the pressing body is adjusted according to the positions of the crosshead and the piston rod, the pressing body, the crosshead and the piston rod are adjusted concentrically, and after adjustment is completed, the pressing body, the crosshead and the piston rod are connected together to complete the reloading of the pressing body; therefore, the transportation of the pressing body is quickly finished in the process of reloading the pressing body, and the time spent in the installation process of the pressing body is saved, so that the time spent in the maintenance of the reciprocating compressor is shortened, and the maintenance efficiency is improved; meanwhile, the bearing plate 1 is used for transporting the pressing body, so that the possibility that an operator carries the pressing body manually is reduced, the labor intensity of the operator is reduced, the possibility that the operator has industrial injury in the overhauling process is reduced, and the possibility that the pressing body falls and is damaged in the carrying process is reduced.

Referring to fig. 2, the anchor ear 113 is spliced on the bracket 11, and the bracket 11 is provided with a connecting piece 12 for fixing the anchor ear 113; the hoop 113 is spliced on the bracket 11 through the connecting piece 12, so that the pressing body is fixed, the possibility of deviation of the pressing body in the moving process is reduced, and meanwhile, when other parts are installed back, the hoop 113 can be matched with the bracket 11 to fix the other parts on the bracket 11, so that the application range of the bracket 11 is enlarged.

Referring to fig. 2, the connecting member 12 includes a fixing plate 121, the fixing plate 121 is welded on the outer sidewall of the bracket 11, an anti-turnover sleeve 1130 is welded on the anchor ear 113, the fixing plate 121 is provided with a connecting groove 1210 for the anti-turnover sleeve 1130 to be inserted into, and the fixing plate 121 is provided with a connecting hole 1211 communicated with the anti-turnover sleeve 1130; the fixing plate 121 and the anti-overturning sleeve 1130 can be connected through bolts and nuts, and can also be connected through pins; when the bolt connection is adopted, a bolt penetrates through the connecting hole 1211, one end of the bolt penetrating through the connecting hole 1211 penetrates through the anti-overturning sleeve 1130, one end of the bolt penetrating through the anti-overturning sleeve 1130 penetrates through the fixing plate 121, and one end of the bolt penetrating through the connecting hole 1211 is connected with a locking nut in a threaded mode; when the connection is performed by the pin, one end of the pin penetrates into the connection hole 1211, and the end of the pin penetrating into the connection hole 1211 penetrates into the anti-overturning sleeve 1130.

Referring to fig. 3 and 4, the sliding assembly 2 includes a sliding plate 21, a sliding block 22 and sliding steel balls 23, the sliding plate 21 is disposed on one side of the supporting plate 1 away from the bracket 11, a sliding cavity 211 is formed on a bottom wall of the sliding plate 21, the sliding block 22 is fixed in the sliding cavity 211, the sliding block 22 can be directly welded on a cavity wall of the sliding cavity 211, or can be fixedly connected with the sliding plate 21 through bolts, a sliding notch 221 is formed in one side of the sliding block 22 away from the sliding plate 21, the sliding steel balls 23 are rotatably connected in the sliding notch 221, a plurality of small steel balls 231 are disposed between the sliding steel balls 23 and a side wall of the sliding notch 221, a side surface of the sliding steel ball 23 extends out of the sliding notch 221, and one side of the sliding steel ball 23 extending out of the sliding notch 221 abuts against a slide way; four sliding blocks 22 can be arranged, each two of the four sliding blocks 22 are in one group, and the two groups of sliding blocks 22 are arranged oppositely; when the bearing plate 1 is pushed, the bearing plate 1 drives the sliding plate 21 to move, the sliding plate 21 drives the sliding block 22 to move, the sliding block 22 drives the sliding steel balls 23 to move, the sliding steel balls 23 rub the sliding way to rotate, the sliding steel balls 23 rub the small steel balls 231 when rotating in the sliding gap 221, and the small steel balls 231 reduce the friction force between the sliding steel balls 23 and the sliding gap 221; with the rotation of the sliding steel balls 23, the sliding plate 21 slides on the slideway, and the bearing plate 1 slides on the slideway smoothly.

Referring to fig. 2, the adjusting member 3 includes three ultra-thin jacks 31, the ultra-thin jacks 31 are embedded in the top wall of the sliding plate 21, the ultra-thin jacks 31 are arranged along the vertical direction, piston rods of the ultra-thin jacks 31 are welded to one side of the supporting plate 1, which is far away from the bracket 11, and the three ultra-thin jacks 31 are uniformly distributed along the radial direction of the supporting plate 11; when the height of the bearing plate 1 is adjusted, the piston rod of the ultra-thin jack 31 extends out, and the piston rod of the ultra-thin jack 31 pushes the bearing plate 1 to move upwards, so that the bearing plate 1 is lifted, and the height of the bearing plate 1 is smoothly adjusted.

The application embodiment of the supporting device for the field overhaul of the reciprocating compressor has the following implementation principle: when the pressing body is reassembled, the bearing plate 1 and the sliding assembly 2 are placed in a slide way of the reciprocating compressor, the pressing body is lifted to the bearing plate 1 by a travelling crane, the pressing body is borne by the bracket 11, the bearing plate 1 is pushed manually, the bearing plate 1 drives the sliding assembly 2 to slide in the slide way of the reciprocating compressor, the pressing body is smoothly driven to move to one side close to the piston rod and the crosshead, the height of the bearing plate 1 is adjusted by the adjusting piece 3, the bearing plate 1 pushes the pressing body to rise through the crosshead 11, the pressing body, the piston rod and the crosshead are concentrically adjusted according to the positions of the piston rod and the crosshead, and after the adjustment is completed, the piston rod, the pressing body and the crosshead are connected together, so that the reassembly of the pressing body is smoothly completed; therefore, the time spent by the pressing body in the transportation process is saved, the time spent by the reinstallation of the pressing body is shortened, and the overhauling efficiency of the reciprocating compressor in the overhauling process is improved; meanwhile, the bearing plate 1 is used for transporting the pressing body, the possibility that an operator carries the pressing body manually is reduced, the labor intensity of the operator is reduced, the possibility that the operator has industrial injury in the overhauling process is reduced, and the possibility that the pressing body is damaged due to falling in the transporting process is avoided.

Example 2

Referring to fig. 5 and 6, the adjusting member 3 includes an adjusting lever 32, the adjusting lever 32 is rotatably coupled to the sliding plate 21, the adjusting lever 32 extends in a moving direction of the sliding plate 21, and one end of the adjusting lever 32 extends out of the sliding plate 21.

Referring to fig. 6 and 7, a driving worm 321 is coaxially fixed on the adjusting rod 32, a transmission shaft 33 is rotatably connected in the sliding cavity 211, the axis of the transmission shaft 33 is perpendicular to the axis of the adjusting rod 32, a driven worm wheel 331 meshed with the driving worm 321 is coaxially fixed on the transmission shaft 33, two driving worms 321 and two transmission shafts 33 are arranged, the two transmission shafts 33 are in one-to-one correspondence with the two driving worms 321, a lifting worm 332 is coaxially fixed on both end walls of the transmission shaft 33, a lifting screw 34 is rotatably connected on the sliding plate 21, the lifting screw 34 is arranged in the vertical direction, a lifting worm wheel 341 meshed with the lifting worm 332 is coaxially fixed on the end wall of the lifting screw 34, one end of the lifting screw 34, which is far away from the lifting worm wheel 341, penetrates through the bearing plate 1, and the lifting screw 34 is in threaded connection with the bearing plate 1; the number of the lifting screws 34 is four, each two of the four lifting screws 34 form a group, the two groups of lifting screws 34 correspond to the two transmission shafts 33 one by one, and the transmission shafts 33 are located between the two lifting screws 34.

Referring to fig. 6, a guide rod 35 is welded on the top wall of the sliding plate 21, the axis of the guide rod 35 is parallel to the axis of the lifting screw 34, and one end of the guide rod 35, which is far away from the sliding plate 21, penetrates through the bearing plate 1 and is connected with the bearing plate 1 in a sliding manner.

The implementation principle of the embodiment 2 is as follows: when the height of the bearing plate 1 is adjusted, the adjusting rod 32 is manually rotated, the adjusting rod 32 simultaneously drives the two driving worms 321 to rotate, the driving worms 321 drive the driven worm wheels 331 to rotate, the driven worm wheels 331 drive the transmission shafts 33 to rotate, the transmission shafts 33 simultaneously drive the two lifting worms 332 to rotate when rotating, the lifting worms 332 drive the lifting worm wheels 341 to rotate, the lifting worm wheels 341 drive the lifting screws 34 to rotate when rotating, and the bearing plate 1 cannot rotate due to the limitation of the guide rods 35, and when the lifting screws 34 rotate, the bearing plate 1 is driven to move along the axial direction of the lifting screws 34, so that the height of the bearing plate 1 is smoothly adjusted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Reciprocating compressor is bearing device for on-the-spot maintenance, its characterized in that: the reciprocating compressor comprises a bearing plate (1), a sliding assembly (2) which is arranged on the bearing plate (1) and used for driving the bearing plate (1) to slide in a slide way in the reciprocating compressor, and a bracket (11) arranged on the bearing plate (1), wherein an adjusting piece (3) used for adjusting the height of the bearing plate (1) is arranged on the sliding assembly (2).

2. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 1, is characterized in that: the sliding assembly (2) comprises a sliding plate (21), a sliding block (22) fixed on the sliding plate (21) and sliding steel balls (23) rotatably connected onto the sliding block (22), the sliding plate (21) is connected with the bearing plate (1) in a sliding mode, the sliding block (22) is arranged on one side, away from the bearing plate (1), of the sliding plate (21), the sliding block (22) extends out of the side face of the sliding steel ball (23), and one side, extending out of the sliding block (22), of the sliding steel ball (23) is abutted to a slide way of the reciprocating compressor.

3. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 2, is characterized in that: the adjusting piece (3) comprises an ultra-thin jack (31) fixed on the sliding plate (21), and a piston rod of the ultra-thin jack (31) is fixedly connected with the bearing plate (1).

4. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 1, is characterized in that: and a placing arc surface (111) is arranged on the side surface of the bracket (11).

5. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 4, wherein: a protection pad (112) is arranged in the placing cambered surface (111).

6. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 1, is characterized in that: the bracket (11) is provided with a hoop (113), and the bracket (11) is provided with a connecting piece (12) used for fixing the hoop (113).

7. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 2, is characterized in that: the adjusting part (3) comprises an adjusting rod (32) which is rotatably connected to a sliding plate (21), a driving worm (321) is fixed on the adjusting rod (32), a transmission shaft (33) is rotatably connected to the sliding plate (21), a driven worm wheel (331) meshed with the driving worm (321) is arranged on the transmission shaft (33), a lifting worm (332) is fixed at one end, away from the driven worm wheel (331), of the transmission shaft (33), a lifting screw (34) is rotatably connected to the sliding plate (21), a lifting worm wheel (341) meshed with the lifting worm (332) is fixed on the lifting screw (34), one end, away from the lifting worm wheel (341), of the lifting screw (34) penetrates through the bearing plate (1), and the lifting screw (34) is in threaded connection with the bearing plate (1).

8. The supporting device for the on-site maintenance of the reciprocating compressor, as claimed in claim 7, wherein: and a guide rod (35) is fixed on the sliding plate (21), and the guide rod (35) penetrates through the bearing plate (1) and is connected with the bearing plate (1) in a sliding manner.