Stable lifting tool for disassembling and reassembling crosshead of large reciprocating compressor

Abstract

The utility model relates to the technical field of reciprocating compressors, in particular to a stable lifting tool for disassembling and reassembling a crosshead of a large reciprocating compressor, which comprises a stable lifting tool mechanism of the large reciprocating compressor. The stable lifting tool mechanism for the large reciprocating compressor comprises a bottom frame, a first cylindrical track, a second cylindrical track, a directional wheel, a stable lifting tool base for the reciprocating compressor and a first protective shell for the reciprocating compressor. The crosshead workpiece falls into a crosshead dismounting inlet, the crosshead workpiece can be easily pushed against the side of a sliding way of the stable lifting tool mechanism of the large reciprocating compressor through sliding of the first cylindrical rail, the second cylindrical rail and the directional wheel, and then the height is adjusted through the worm and gear lifter, so that the crosshead on the bracket and the sliding way are located on the same level.

Description

Technical Field

[0001] The utility model belongs to the technical field of reciprocating compressors, and in particular relates to a stable lifting tool for disassembling and reassembling the crosshead of a large reciprocating compressor. Background Art

[0002] The method used during inspection and maintenance for a tooling device without a crosshead is to first use a crane to lift the crosshead into the crankcase and then suspend it in mid-air. Subsequently, multiple people, crowded in the confined space, forcefully push the crosshead, weighing approximately 1.5 tons, toward the slideway. When one end of the workpiece rests on the slideway, one end of the rope must be loosened. This is also the time when safety accidents are most likely to occur, including personal injury and workpiece damage (due to the 1.2-meter difference between the lifting port and the slideway, and the crosshead lifting contact surface is very smooth). Even if the crosshead can be pushed into the slideway, the bus alloy on the upper and lower contact surfaces of the crosshead will usually suffer varying degrees of damage, reducing the workpiece dimensional accuracy and affecting the normal operation of the unit. The above operation method is currently widely used on site, but its disadvantages are that the workpiece reinstallation accuracy does not meet the requirements, the operation time is long, and the slightest negligence can lead to safety accidents.

[0003] For example, the disassembly and assembly tool for the exhaust valve of a reciprocating compressor unit disclosed in the authorization announcement number CN 210046611 U has eliminated the hidden dangers of construction safety, improved the installation quality and efficiency of the unit, and ensured a safe operating environment. However, it has not effectively improved the accuracy of workpiece disassembly and reassembly, greatly reduced labor intensity, shortened the inspection and maintenance cycle, effectively improved work efficiency, reduced the participation of operators, and better ensured the safety factor of operators. Utility Model Content

[0004] The purpose of the utility model is to provide a smooth lifting tool for disassembling and reassembling the crosshead of a large reciprocating compressor, so as to solve the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A smooth lifting tool for disassembling and reassembling a crosshead of a large reciprocating compressor, comprising a smooth lifting tool mechanism for the large reciprocating compressor, the smooth lifting tool mechanism for the large reciprocating compressor comprising a bottom frame, a first cylindrical track, a second cylindrical track, directional wheels, a reciprocating compressor smooth lifting tool base, and a first protective shell of the reciprocating compressor, the first cylindrical track being fixedly provided on the top of the bottom frame, the second cylindrical track being fixedly provided on one side of the first cylindrical track, the directional wheels being movably provided on the top of the second cylindrical track, the reciprocating compressor smooth lifting tool base being fixedly provided on the top of the directional wheels, and the first protective shell of the reciprocating compressor being fixedly provided on the top of the reciprocating compressor smooth lifting tool base;

[0007] A second protective shell of the reciprocating compressor is fixedly provided on one side of the first protective shell of the reciprocating compressor, a hinge is movably provided on one side of the second protective shell of the reciprocating compressor, a fixing screw is fixedly provided on one side of the hinge, a handle is fixedly provided on the bottom end of the fixing screw, a reciprocating compressor fixing plate is fixedly provided on the top end of the second protective shell of the reciprocating compressor, and a crosshead disassembly entrance is fixedly provided on the top end of the reciprocating compressor fixing plate.

[0008] Preferably, a support frame is fixedly provided at the top of the crosshead disassembly entrance, and a nylon plate is fixedly provided on one side of the support frame. The beneficial effect is to provide strong support, ensure that the smooth lifting and lowering tooling mechanism of the large reciprocating compressor remains stable during the disassembly and reassembly process, prevent tilting or sliding, have excellent sliding performance, can effectively reduce friction, reduce equipment wear, and protect compressor components. The lightweight design makes the installation and disassembly of the support frame and nylon plate easier, saves time and manpower, reduces the force risk of the smooth lifting and lowering tooling mechanism of the large reciprocating compressor during use, and extends the service life.

[0009] Preferably, a first guide column is movably provided on one side of the second protective shell of the reciprocating compressor, and a second guide column is movably provided on one side of the first guide column. The beneficial effect is to provide clear guidance so that the crosshead runs along a predetermined trajectory when lifting and moving, ensuring precise alignment, preventing offset during operation, reducing installation errors caused by asymmetric force, increasing the stability of the overall structure, reducing the risk of vibration and tilt during disassembly and reinstallation, making the positioning process simpler, reducing the operator's work difficulty, and improving work efficiency.

[0010] Preferably, a worm gear elevator is movably provided on one side of the second guide column, which has the beneficial effect of providing smooth lifting movement and reducing vibration and instability factors generated during operation. The stable lifting system can reduce the possibility of accidental slipping or tilting, and improve operational safety. The efficient performance of the worm gear elevator shortens the time for disassembly and reinstallation, improves work efficiency, and the lifting height can be adjusted according to the needs of different large reciprocating compressors, and can flexibly respond to different operating environments.

[0011] Preferably, a directional connecting rod is fixedly provided on one side of the directional wheel, which has the beneficial effect of connecting the directional wheel and the directional connecting rod together to ensure relative balanced movement, ensure that the directional wheel moves along a predetermined path, reduce offset, ensure the precise positioning of the components during disassembly and reassembly, provide additional support force for the directional wheel, enhance the stability of the overall structure, enable the operator to more easily control the moving direction of the directional wheel, and reduce the complexity of operation.

[0012] Preferably, a bolt is fixedly provided at the bottom end of the fixing screw, and a nut is fixedly provided at the top end of the bolt. The beneficial effect is that a reliable mechanical connection is achieved through the threaded structure, ensuring that the connecting parts will not loosen or fall off. The threaded structure design makes the installation and disassembly process relatively simple. This convenience enables quick operation when maintenance or replacement is required, saving time and labor costs.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. When operating the equipment, the crosshead is first passed through the support frame and the nylon plate by the crane, and then falls into the crosshead disassembly entrance. The crosshead workpiece can be easily pushed against the slide side of the large reciprocating compressor smooth lifting tooling mechanism through the first cylindrical track, the second cylindrical track and the directional wheel sliding. Then, the height is adjusted by the worm gear elevator so that the crosshead on the bracket is at the same level as the slide. During the lifting process, the first guide column and the second guide column ensure that the workpiece does not shake left and right during the lifting process, so that the crosshead can easily and smoothly enter the slide of the worm gear elevator for disassembly and reinstallation.

[0015] 2. The benefit of this equipment is that it is equipped with a first guide column and a second guide column to provide clear guidance, so that the crosshead runs along a predetermined trajectory when lifting and moving, ensuring precise alignment, preventing offset during operation, reducing installation errors caused by asymmetric force, increasing the stability of the overall structure, reducing the risk of vibration and tilting during disassembly and reinstallation, making the positioning process simpler, reducing the operator's work difficulty, and improving work efficiency. It is equipped with a worm gear lifter to provide smooth lifting movement, reducing vibration and instability factors generated during operation. The stable lifting system can reduce the possibility of accidental slippage or tilting, and improve operational safety. The efficient performance of the worm gear lifter shortens the disassembly and reinstallation time and improves work efficiency. The lifting height can be adjusted according to the needs of different large reciprocating compressors and can flexibly respond to different operating environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the installation structure of the worm gear elevator of the present invention;

[0018] Figure 3 This is a schematic diagram of the installation of the directional connecting rod structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the installation of the fixing screw structure of the present invention.

[0020] In the figure: 1. bottom frame; 2. first cylindrical track; 3. second cylindrical track; 4. directional wheel; 5. base for smooth lifting of reciprocating compressor; 6. first protective shell of reciprocating compressor; 7. second protective shell of reciprocating compressor; 8. loose-leaf hinge; 9. fixing screw; 10. handle; 11. fixing plate of reciprocating compressor; 12. crosshead disassembly entrance; 13. support frame; 14. nylon plate; 15. first guide column; 16. second guide column; 17. worm gear lifter; 18. directional connecting rod; 19. bolt; 20. nut. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figures 1-4 As shown, the utility model provides a technical solution:

[0023] A smooth lifting tool for disassembling and reassembling the crosshead of a large reciprocating compressor, including a smooth lifting tool mechanism for the large reciprocating compressor, the smooth lifting tool mechanism for the large reciprocating compressor including a bottom frame 1, a first cylindrical track 2, a second cylindrical track 3, directional wheels 4, a reciprocating compressor smooth lifting tool base 5 and a reciprocating compressor first protective shell 6, the first cylindrical track 2 being fixedly provided on the top of the bottom frame 1, the second cylindrical track 3 being fixedly provided on one side of the first cylindrical track 2, the directional wheels 4 being movably provided on the top of the second cylindrical track 3, the reciprocating compressor smooth lifting tool base 5 being fixedly provided on the top of the directional wheels 4, and the reciprocating compressor first protective shell 6 being fixedly provided on the top of the reciprocating compressor smooth lifting tool base 5;

[0024] A second protective shell 7 of the reciprocating compressor is fixedly provided on one side of the first protective shell 6 of the reciprocating compressor, a movable hinge 8 is movably provided on one side of the second protective shell 7 of the reciprocating compressor, a fixing screw 9 is fixedly provided on one side of the loose-leaf 8, a handle 10 is fixedly provided on the bottom end of the fixing screw 9, a reciprocating compressor fixing plate 11 is fixedly provided on the top end of the reciprocating compressor second protective shell 7, and a crosshead disassembly entrance 12 is fixedly provided on the top end of the reciprocating compressor fixing plate 11.

[0025] In this embodiment, preferably, a support frame 13 is fixedly provided at the top of the crosshead disassembly entrance 12, and a nylon plate 14 is fixedly provided on one side of the support frame 13. The beneficial effect is to provide strong support to ensure that the smooth lifting and lowering tooling mechanism of the large reciprocating compressor remains stable during the disassembly and reassembly process, prevents tilting or sliding, has excellent sliding performance, can effectively reduce friction, reduce equipment wear, and protect compressor components. The lightweight design makes the installation and disassembly of the support frame 13 and the nylon plate 14 easier, saves time and manpower, reduces the force risk of the smooth lifting and lowering tooling mechanism of the large reciprocating compressor during use, and extends its service life.

[0026] In this embodiment, preferably, a first guide column 15 is movably provided on one side of the second protective shell 7 of the reciprocating compressor, and a second guide column 16 is movably provided on one side of the first guide column 15. The beneficial effect is to provide a clear guide so that the crosshead runs along a predetermined trajectory when lifting and moving, ensuring precise alignment, preventing offset during operation, reducing installation errors caused by asymmetric force, increasing the stability of the overall structure, reducing the risk of vibration and tilt during disassembly and reinstallation, making the positioning process simpler, reducing the operator's work difficulty, and improving work efficiency.

[0027] In this embodiment, preferably, a worm gear lift 17 is movably provided on one side of the second guide column 16, which has the beneficial effect of providing smooth lifting movement and reducing vibration and instability factors generated during operation. The stable lifting system can reduce the possibility of accidental slipping or tilting, and improve operational safety. The high efficiency of the worm gear lift 17 shortens the time for disassembly and reinstallation, improves work efficiency, and the lifting height can be adjusted according to the needs of different large reciprocating compressors, and can flexibly respond to different operating environments.

[0028] In this embodiment, preferably, a directional connecting rod 18 is fixedly provided on one side of the directional wheel 4. The beneficial effect is that the directional wheel 4 and the directional connecting rod 18 are connected together to ensure relative balanced movement, ensure that the directional wheel 4 moves along a predetermined path, reduce offset, ensure the precise positioning of the components during disassembly and reassembly, provide additional support force for the directional wheel 4, enhance the stability of the overall structure, enable the operator to more easily control the moving direction of the directional wheel 4, and reduce the complexity of operation.

[0029] In this embodiment, preferably, a bolt 19 is fixedly provided at the bottom end of the fixing screw 9, and a nut 20 is fixedly provided at the top end of the bolt 19. The beneficial effect is that a reliable mechanical connection is achieved through the threaded structure, ensuring that the connecting parts will not loosen or fall off. The threaded structure design makes the installation and disassembly process relatively simple. This convenience enables quick operation when maintenance or replacement is required, saving time and labor costs.

[0030] When the smooth lifting fixture for disassembling and reassembling the crosshead of a large reciprocating compressor of this embodiment is in use, the crosshead is first passed through the support frame 13 and the nylon plate 14 by the crane during operation, and then falls into the crosshead disassembly entrance 12. The crosshead workpiece can be easily pushed against the slide edge of the smooth lifting fixture mechanism of the large reciprocating compressor by sliding through the first cylindrical track 2, the second cylindrical track 3 and the directional wheel 4. Then, the height is adjusted by the worm gear elevator 17 so that the crosshead on the bracket is at the same level as the slide. During the lifting process, the first guide column 15 and the second guide column 16 ensure that the workpiece does not shake left and right during the lifting process, so that the crosshead can easily and smoothly enter the slide of the worm gear elevator 17 for disassembly and reassembly. The benefit of this equipment is that it is equipped with a first guide column 15 and a second guide column 16 to provide clear guidance, so that the crosshead runs along a predetermined trajectory when lifting and moving, ensuring precise alignment, preventing offset during operation, reducing installation errors caused by asymmetric force, increasing the stability of the overall structure, reducing the risk of vibration and tilting during disassembly and reinstallation, making the positioning process simpler, reducing the operator's work difficulty, and improving work efficiency. It is equipped with a worm gear elevator 17 to provide smooth lifting movement, reducing vibration and instability factors generated during operation. The stable lifting system can reduce the possibility of accidental slippage or tilting, and improve operational safety. The efficient performance of the worm gear elevator 17 shortens the disassembly and reinstallation time, improves work efficiency, and the lifting height can be adjusted according to the needs of different large reciprocating compressors, and can flexibly respond to different operating environments.

[0031] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A stable lifting tool for disassembling and reassembling the crosshead of a large reciprocating compressor, characterized by: The invention comprises a large reciprocating compressor smooth lifting fixture mechanism, the large reciprocating compressor smooth lifting fixture mechanism comprising a bottom frame (1), a first cylindrical track (2), a second cylindrical track (3), a directional wheel (4), a reciprocating compressor smooth lifting fixture base (5) and a reciprocating compressor first protective shell (6), the first cylindrical track (2) being fixedly provided on the top of the bottom frame (1), the second cylindrical track (3) being fixedly provided on one side of the first cylindrical track (2), the directional wheel (4) being movably provided on the top of the second cylindrical track (3), the reciprocating compressor smooth lifting fixture base (5) being fixedly provided on the top of the directional wheel (4), and the reciprocating compressor first protective shell (6) being fixedly provided on the top of the reciprocating compressor smooth lifting fixture base (5); A second protective shell (7) of the reciprocating compressor is fixedly provided on one side of the first protective shell (6) of the reciprocating compressor, a hinge (8) is movably provided on one side of the second protective shell (7) of the reciprocating compressor, a fixing screw (9) is fixedly provided on one side of the hinge (8), a handle (10) is fixedly provided at the bottom end of the fixing screw (9), a reciprocating compressor fixing plate (11) is fixedly provided on the top end of the second protective shell (7) of the reciprocating compressor, and a crosshead disassembly entrance (12) is fixedly provided on the top end of the reciprocating compressor fixing plate (11).

2. The stable lifting device for disassembling and reassembling the crosshead of a large reciprocating compressor according to claim 1 is characterized in that: A support frame (13) is fixedly provided at the top end of the crosshead disassembly entrance (12), and a nylon plate (14) is fixedly provided at one side of the support frame (13).

3. The stable lifting device for disassembling and reassembling the crosshead of a large reciprocating compressor according to claim 1 is characterized in that: A first guide column (15) is movably provided on one side of the second protective shell (7) of the reciprocating compressor, and a second guide column (16) is movably provided on one side of the first guide column (15).

4. The stable lifting device for disassembling and reassembling the crosshead of a large reciprocating compressor according to claim 3 is characterized by: A worm gear elevator (17) is movably provided on one side of the second guide column (16).

5. The stable lifting device for disassembling and reassembling the crosshead of a large reciprocating compressor according to claim 1 is characterized in that: A directional connecting rod (18) is fixedly provided on one side of the directional wheel (4).

6. The stable lifting device for disassembling and reassembling the crosshead of a large reciprocating compressor according to claim 1 is characterized in that: A bolt (19) is fixedly provided at the bottom end of the fixing screw (9), and a nut (20) is fixedly provided at the top end of the bolt (19).

Images