Combined bottom sledge of heavy reciprocating compressor

Abstract

The utility model discloses a combined bottom skid of a heavy reciprocating compressor, which belongs to the technical field of skid-mounting of the heavy reciprocating compressor, and comprises a main skid, and a plurality of lifting lugs are arranged at the edge of the upper surface of the main skid; the pry seat and the oil cooler bracket are fixed on the main pry; the auxiliary sledge surrounds the main sledge, the lower surface of the auxiliary sledge is flush with the lower surface of the main sledge, and the auxiliary sledge and the main sledge are fixedly connected to form a bottom sledge; the multiple supporting assemblies are fixed to the bottom pry and distributed around the pry base. The air inlet filter operation platform is fixed on the auxiliary sledge; the foundation bolts are distributed on the edge of the lower surface of the bottom pry. The bottom skid body is composed of the main skid body and the auxiliary skid body, a compressor and a driver can be placed and installed on the skid base, a cooler can be placed on the oil cooler support, the supporting assembly can respectively support a compressor middle body, an air cylinder body and a buffer tank, the air inlet filter operation platform is convenient to operate, and the bottom skid body can be stably fixed to a foundation through the foundation bolts. The structure is compact, the vibration resistance is good, and transportation and hoisting are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of skid-mounted technology for heavy reciprocating compressors, and particularly relates to a combined bottom skid for a heavy reciprocating compressor. Background Technique

[0002] Skid-mounted is a form of combination of equipment framework and the whole equipment, usually referring to a group of equipment fixed on a chassis made of angle steel or I-beam; this form allows the equipment to be installed and moved as a whole, facilitating transportation and deployment; skid-mounted has obvious advantages in the transportation, installation, and integration of compound compressor units. In the development process of integration and modularization, the compressor bottom skid, as a key basic equipment for carrying and installing compressors, drivers, couplings, separators, coolers, pipeline systems, etc., is widely used; with the increasing demand for the power and displacement of skid-mounted compressors, the requirements for their integration and difficulty are also getting higher and higher.

[0003] Existing heavy reciprocating compressors usually adopt a multi-storey factory building layout, which occupies a large area. When leaving the factory, they need to be disassembled in parts and then transported to the site for reassembly, affecting the construction period, cost, and installation accuracy, and the construction difficulty is large; at the same time, with the increase in the overall quality and size of the unit, in the existing skid-mounted structure design, the degree of skid-mounted is low, the problem of over-limit of the whole skid is serious, the transportation is difficult, and the manufacturing and transportation costs are high; in addition, when the unit of the heavy reciprocating compressor is running, the strength and rigidity are poor, and the vibration control effect is poor, which cannot meet the operation requirements.

[0004] Therefore, it is an urgent problem to be solved at the present stage to research and develop a combined bottom skid for a heavy reciprocating compressor that can simplify the layout design, overcome the difficulty of skid-mounted, facilitate transportation and hoisting, has good anti-vibration performance, and high stability. Summary of the Invention

[0005] For the problems existing in the prior art, the utility model provides a combined bottom skid for a heavy reciprocating compressor. The main body of the bottom skid is composed of a main skid and an auxiliary skid. The skid seats on the main skid can place and install the compressor and the driver. The oil cooler support on the main skid can place the cooler. The support components distributed on the bottom skid can respectively support the middle body of the compressor, the cylinder block of the cylinder, and the buffer tank. The intake filter operation platform on the auxiliary skid is convenient for operation, and the bottom skid can be firmly fixed to the foundation through anchor bolts. The structure is compact, the layout is reasonable, the layout design is simplified, the problem of difficulty in skid-mounted of heavy compressors is overcome, the anti-vibration performance is good, the stability is high, and it is convenient for transportation and hoisting.

[0006] In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

[0007] The utility model provides a combined bottom skid for a heavy reciprocating compressor, including:

[0008] Main skid, and a plurality of lifting lugs are provided at the edge of the upper surface of the main skid;

[0009] Skid base, and the skid base is fixed on the upper surface of the main skid;

[0010] Oil cooler bracket, and the oil cooler bracket is fixed on the upper surface of the main skid and is located on one side of the skid base;

[0011] Auxiliary skid, and the auxiliary skid is arranged around the main skid. The lower surface of the auxiliary skid is flush with the lower surface of the main skid, and the auxiliary skid is fixedly connected with the main skid to form a bottom skid;

[0012] A plurality of support assemblies, and a plurality of the support assemblies are all fixed on the bottom skid and are distributed around the skid base;

[0013] Intake filter operation platform, and the intake filter operation platform is fixed on the auxiliary skid, and the oil cooler bracket is located between the skid base and the intake filter operation platform;

[0014] A plurality of anchor bolts, and a plurality of the anchor bolts are distributed at the edge of the lower surface of the bottom skid.

[0015] As a preferred technical solution, the main skid includes an upper steel plate and a lower steel plate, and a plurality of first longitudinal beams are provided between the upper steel plate and the lower steel plate. A plurality of first crossbeam splicing groups are welded between the plurality of first longitudinal beams.

[0016] As a preferred technical solution, the first longitudinal beam is an H-shaped steel, and the lifting lug is arranged at the outermost first longitudinal beam. The lifting lug passes through the upper flange plate of the H-shaped steel and is close to the web of the H-shaped steel, and the lifting lug is welded to the flange plate of the H-shaped steel.

[0017] As a preferred technical solution, part of the anchor bolts are arranged on the lower flange plate of the H-shaped steel.

[0018] As a preferred technical solution, a reinforcing rib plate is provided between the upper flange plate and the lower flange plate of the H-shaped steel, and a plurality of the anchor bolts are evenly distributed on both sides of the reinforcing rib plate;

[0019] And / or, a plurality of adjusting jackscrews are further provided on the lower flange plate of the H-shaped steel;

[0020] And / or, the internal space of the main skid at the positions corresponding to the skid base and the oil cooler bracket is filled with concrete grouting.

[0021] As a preferred technical solution, the auxiliary skid is a steel frame structure, and the auxiliary skid is connected with the main skid by bolts.

[0022] As a preferred technical solution, the skid base is formed by splicing and welding a plurality of second longitudinal beams and a plurality of second cross beams; the skid base is welded to the main skid.

[0023] As a preferred technical solution, the internal space at the position of the skid base corresponding to the compressor is filled with concrete grout;

[0024] and / or, an epoxy resin grouting layer is provided on the upper surface of the skid base at the positions corresponding to the compressor and the driver, and the thickness of the epoxy resin grouting layer is set to 30 - 80 mm.

[0025] As a preferred technical solution, the support assembly includes a cylinder support, a middle body support, and a buffer tank support.

[0026] As a preferred technical solution, adjusting gaskets are provided on the skid base, the cylinder support, and the middle body support;

[0027] and / or, the middle body support is fixed to the main skid, and the cylinder support and the buffer tank support are both fixed to the auxiliary skid.

[0028] The beneficial effects of the present utility model are shown in:

[0029] The main body of the skid base of the present utility model is composed of a main skid and an auxiliary skid. The skid base on the main skid can place and install a compressor and a driver. The oil cooler support on the main skid can place a cooler. The support assembly distributed on the skid base can respectively support the middle body of the compressor, the cylinder block, and the buffer tank. The intake filter operation platform on the auxiliary skid is convenient for operation, and the skid base can be firmly fixed to the foundation through anchor bolts, meeting the requirements that a reciprocating compressor, a main motor, a buffer tank, a scrubber, a cooler, a pipeline system, a control system, and a maintenance platform are all integrated on a rigid skid base, and can be integrally transported to the site for installation. The modular structure design is compact, the layout is reasonable, the layout design is simplified, overcoming the problem of difficult skid-mounted of heavy compressors, having good vibration resistance, high stability, and being convenient for transportation and hoisting. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 is a schematic diagram of the overall structure of an embodiment of a combined skid base of a heavy reciprocating compressor of the present utility model;

[0031] Figure 2 is Figure 1 a schematic diagram of the structure from another perspective;

[0032] Figure 3 is Figure 1 a side view of

[0033] In the figure: 1 - main skid, 11 - lifting lug, 12 - reinforcing rib plate, 2 - skid base, 3 - oil cooler support, 4 - attached skid, 51 - cylinder support, 52 - middle body support, 53 - buffer tank support, 6 - intake filter operation platform, 7 - anchor bolt. Detailed implementation manner

[0034] For the convenience of those skilled in the art to understand, the present utility model will be further described below in conjunction with the accompanying drawings.

[0035] Please refer to Figures 1 - 3 , which is an embodiment of a combined bottom skid of a heavy reciprocating compressor provided by the present utility model, including a main skid 1, and a plurality of attached skids 4 are arranged around the main skid 1. The lower surface of the attached skid 4 is flush with the lower surface of the main skid 1, and the attached skid 4 is fixedly connected to the main skid 1 to form a bottom skid; the skid base 2 is fixed on the upper surface of the main skid 1 and is used for placing and installing a compressor and a driver; the oil cooler support 3 is fixed on the upper surface of the main skid 1 and is located on one side of the skid base 2 and is used for placing a cooler; a plurality of support components are all fixed on the bottom skid and are distributed around the skid base 2 to play a supporting role; the intake filter operation platform 6 is fixed on the attached skid 4, and the oil cooler support 3 is located between the skid base 2 and the intake filter operation platform 6 to facilitate operation; a plurality of lifting lugs 11 are arranged at the edge of the upper surface of the main skid 1 to facilitate transportation and hoisting; a plurality of anchor bolts 7 are distributed at the edge of the lower surface of the bottom skid, and the bottom skid can be firmly fixed to the foundation through the anchor bolts 7.

[0036] In this embodiment, please refer to Figures 1 - 3 , the main skid 1 includes an upper steel plate and a lower steel plate, and a plurality of first longitudinal beams are arranged between the upper steel plate and the lower steel plate. A plurality of first cross beam splicing groups are welded between the plurality of first longitudinal beams. Specifically, the first longitudinal beams are preferably set to four, which can ensure the structural strength of the main skid 1; in other embodiments, the number of the first longitudinal beams can also be other values, as long as the integrity and structural strength of the main skid 1 can be ensured.

[0037] It should be noted that the main skid 1 is symmetrically arranged along its longitudinal axis. The compressor main unit, the coupling assembly and the main motor are all located on the longitudinal axis of the main skid 1. At the same time, the main skid 1 adopts a full penetration welding structure, which ensures the balance during hoisting and transportation while ensuring the structural strength; further, the internal space of the main skid 1 corresponding to the positions of the skid base 2 and the oil cooler support 3 is preferably filled with concrete grouting to improve the support strength of the main skid 1.

[0038] Specifically, please refer to Figures 1 - 3 , the first longitudinal beams are preferably set as H-shaped steel. Four lifting lugs 11 are respectively arranged at the two outer first longitudinal beams and are arranged around the skid base 2. The lifting lugs 11 pass through the upper flange plate of the H-shaped steel and are close to the web of the H-shaped steel. The lifting lugs 11 are welded to the upper flange plate or the lower flange plate of the H-shaped steel to ensure the firm connection between the lifting lugs 11 and the main skid 1.

[0039] It should be noted that several anchor bolts 7 are preferably evenly distributed along the lower edge of the skid. Among them, some anchor bolts 7 are arranged on the lower flange plate of the H-shaped steel to ensure the fixed connection between the skid and the foundation.

[0040] Furthermore, please refer to Figures 1 - 3 , a stiffening plate 12 is preferably arranged between the upper flange plate and the lower flange plate of the H-shaped steel. Several anchor bolts 7 are evenly distributed on both sides of the stiffening plate 12. The stiffening plate 12 can better transmit the equipment vibration, gravity and unbalanced force to the foundation through the lower plane of the skid and the anchor bolts 7; furthermore, several adjusting jackscrews are also arranged on the lower flange plate of the H-shaped steel, which can achieve a better fixing effect.

[0041] In this embodiment, please refer to Figures 1 - 3 , the skid base 2 is preferably formed by splicing and welding multiple second longitudinal beams and multiple second cross beams. For example, it is formed by splicing and welding two second longitudinal beams and five second cross beams to ensure that the skid base 2 has sufficient supporting strength; furthermore, the skid base 2 is preferably welded at the center of the main skid 1 to ensure the connection stability between the skid base 2 and the main skid 1 and the balance during hoisting and transportation; in other embodiments, the number of the second longitudinal beams and the second cross beams can also be other values, which are based on ensuring the integrity and structural strength of the skid base 2.

[0042] It should be noted that the internal space at the position of the skid base 2 corresponding to the compressor is preferably filled with concrete grout to improve the supporting strength of the skid base 2.

[0043] Furthermore, please refer to Figures 1 - 3 , an epoxy resin grouting layer is arranged on the upper surface of the skid base 2 at the positions corresponding to the compressor and the driver. The epoxy resin grouting layer has a good vibration absorption effect. The thickness of the epoxy resin grouting layer is preferably set to 30 - 80 mm. The thickness of the epoxy resin grouting layer is within the optimal thickness range and has the optimal supporting and vibration absorption effects.

[0044] In this embodiment, please refer to Figures 1 - 3 , the auxiliary skid 4 is preferably set as a steel frame structure. The auxiliary skid 4 is connected to the main skid 1 by bolts. While facilitating disassembly and ensuring the overall stiffness and strength of the whole machine, it can effectively control the transportation width and greatly save the transportation cost.

[0045] In this embodiment, please refer to Figures 1 - 3, the support assembly preferably includes a number of cylinder supports 51, a number of middle body supports 52, and a number of buffer tank supports 53; specifically, the four middle body supports 52 are all fixed on the main skid 1 and symmetrically arranged on both sides of the skid base 2 for supporting the compressor middle body; the four cylinder supports 51 and a number of buffer tank supports 53 are all fixed on the attached skid 4 and symmetrically arranged on both sides of the main skid 1, respectively for supporting the cylinder block and the buffer tank.

[0046] Furthermore, adjusting shims are preferably provided on the skid base 2, the cylinder supports 51, and the middle body supports 52. By means of the adjusting shims, the support rigidity can be improved, and installation and adjustment are facilitated, ensuring stable support effects; specifically, the cylinder supports 51 can reduce the sinking of the cylinder block of each stage of the cylinder head.

[0047] Please refer to Figures 1 - 3 , the installation working process of the present utility model is as follows:

[0048] Taking the upper surface of the main skid 1 as the reference, initially level it;

[0049] Taking the plane of the compressor cover workpiece as the reference, perform a second re-leveling by setting wedges and adjusting jackscrews;

[0050] After leveling, perform secondary grouting at the holes of the anchor bolts 7 and the lower voids of the bottom skid. After the strength of the secondary grouting reaches the design requirements, tighten the anchor bolts 7;

[0051] According to the design atlas, reassemble the attached skid 4 and the equipment disassembled during transportation.

[0052] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A combined skid for a heavy reciprocating compressor, characterized in that, Comprising: A main skid (1), at the edge of the upper surface of the main skid (1), a plurality of lifting lugs (11) are provided; A skid base (2), the skid base (2) is fixed on the upper surface of the main skid (1); An oil cooler bracket (3), the oil cooler bracket (3) is fixed on the upper surface of the main skid (1) and is located on one side of the skid base (2); An attached skid (4), the attached skid (4) is arranged around the main skid (1), the lower surface of the attached skid (4) is flush with the lower surface of the main skid (1), and the attached skid (4) is fixedly connected with the main skid (1) to form a bottom skid; A plurality of support components, a plurality of the support components are all fixed on the bottom skid and are distributed around the skid base (2); An intake filter operation platform (6), the intake filter operation platform (6) is fixed on the attached skid (4), and the oil cooler bracket (3) is located between the skid base (2) and the intake filter operation platform (6); A plurality of anchor bolts (7), a plurality of the anchor bolts (7) are distributed at the edge of the lower surface of the bottom skid.

2. The combined skid of a heavy reciprocating compressor according to claim 1, wherein, The main skid (1) includes an upper steel plate and a lower steel plate, and a plurality of first longitudinal beams are provided between the upper steel plate and the lower steel plate, and a plurality of first cross beam splicing groups are welded between the plurality of first longitudinal beams.

3. The combined skid of a heavy reciprocating compressor according to claim 2, characterized in that, The first longitudinal beam is an H-shaped steel, the lifting lug (11) is arranged at the outermost first longitudinal beam, the lifting lug (11) passes through the upper flange plate of the H-shaped steel and is close to the web of the H-shaped steel, and the lifting lug (11) is welded to the flange plate of the H-shaped steel.

4. The combined skid of a heavy reciprocating compressor according to claim 3, characterized in that, Part of the anchor bolts (7) are arranged on the lower flange plate of the H-shaped steel.

5. The combined skid of a heavy reciprocating compressor according to claim 4, characterized in that, Reinforcing rib plates (12) are provided between the upper flange plate and the lower flange plate of the H-shaped steel, and a plurality of the anchor bolts (7) are evenly distributed on both sides of the reinforcing rib plates (12); And / or, a plurality of adjusting jackscrews are further provided on the lower flange plate of the H-shaped steel; And / or, the internal space of the main skid (1) corresponding to the positions of the skid base (2) and the oil cooler bracket (3) is filled with concrete grout.

6. The combined skid of a heavy reciprocating compressor according to claim 1, characterized in that, The attached skid (4) is a steel frame structure, and the attached skid (4) is connected to the main skid (1) by bolts.

7. The combined skid of a heavy reciprocating compressor according to claim 1, characterized in that, The skid base (2) is formed by splicing and welding a plurality of second longitudinal beams and a plurality of second cross beams; the skid base (2) is welded to the main skid (1).

8. The combined skid of a heavy reciprocating compressor according to claim 7, characterized in that, The internal space of the skid base (2) corresponding to the position of the compressor is filled with concrete grout; And / or, an epoxy resin grouting layer is provided on the upper surface of the skid base (2) corresponding to the positions of the compressor and the driver, and the thickness of the epoxy resin grouting layer is set to 30 - 80 mm.

9. The combined skid of a heavy reciprocating compressor according to claim 1, characterized in that, The support component includes a cylinder support (51), an intermediate body support (52) and a buffer tank support (53).

10. The combined skid of a heavy reciprocating compressor according to claim 9, characterized in that, Adjusting gaskets are provided on the skid base (2), the cylinder support (51) and the intermediate body support (52); And / or, the intermediate body support (52) is fixed on the main skid (1), and the cylinder support (51) and the buffer tank support (53) are both fixed on the attached skid (4).

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