Bottom pry connecting structure for main motor of reciprocating compressor
By using the connecting structure of H-shaped steel and double-headed studs in the compressor, the connection instability caused by vibration of the large compressor motor is solved, and the stable fixation of the motor and the reduction of vibration are achieved, so that the compressor can operate safely and stably.
Patent Information
- Application Number
- CN202421375014.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The motor vibration problem of large-scale process gas compressors leads to unstable connection between the main motor and the bottom pry, affecting the motor operation.
A bottom prying connection structure including H-shaped steel, support steel plate, fixed steel plate, motor pad and double-head stud is adopted. Through the double-head stud, it passes through the motor pad and motor from bottom to top to fix the motor and reduces the height of the compressor center and reduces the vibration of the motor.
The stable fixation of the motor is achieved, the compressor center height and motor vibration are reduced, so that the compressor can run safely and stably, and the bolt and nut tightening effect is prevented by anti-loose washer.
Smart Images

Figure CN222884460U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of skid-mounted equipment, in particular to a bottom skid connection structure for a main motor of a reciprocating compressor. Background Art
[0002] Skid-mounted equipment refers to a set of equipment whose various parts are fixed on a common base. The base is mostly made of channel steel or I-beam, and skid bars can be used for movement and installation, so it is called skid-mounted equipment. Skid-mounted equipment is mostly small equipment. With the widespread use of large and medium-sized lifting equipment and the development of transportation systems, the proportion of large and medium-sized skid-mounted equipment is constantly increasing. With the development of technology and processes, the scope of the compressor unit is no longer just a compressor. It includes the main engine, motor, buffer, separator, etc. The skid-mounted compressor is a set of equipment whose various parts are fixed on a common bottom skid made of H-beam or I-beam. It has relatively complete functionality and self-sufficiency. After providing some simple public engineering conditions in the outside world, it only needs to be connected to the outside world with pipelines and cables to realize the user's gas pressurization function. Its compact structure, small footprint, easy production, installation, migration and other characteristics are also the future development direction of compressor equipment.
[0003] With the development of large-scale process gas compressors, the gas piston force has increased, the speed has increased, the power selection of the compressor motor has also increased, the base has become larger, the installation size has also increased, and the vibration problem of the motor has gradually been exposed, making the connection between the compressor main motor and the bottom skid unstable and affecting the operation of the motor. Utility Model Content
[0004] The purpose of the utility model is to provide a bottom skid connection structure for a main motor of a reciprocating compressor, which can connect the motor base and the bottom skid together according to different center heights and different motors of the compressor, reduce vibration, and is simple to manufacture and convenient to install.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0006] A bottom skid connection structure for a main motor of a reciprocating compressor comprises an H-shaped steel, two supporting ribs arranged between two wing plates of the H-shaped steel, a fixed rib arranged between the two supporting ribs, a motor pad arranged on the H-shaped steel for supporting the motor, and a stud that passes through the fixed rib and the motor pad and is fixedly connected to the motor.
[0007] Furthermore, a positioning conduit is provided between the H-shaped steel and the fixed rib plate, and the stud is sleeved in the positioning conduit.
[0008] Furthermore, the stud bolt passes through the fixing rib plate and is fixed by a first nut.
[0009] Furthermore, a first washer for fastening the first nut is sleeved on the stud.
[0010] Furthermore, the stud passes through the motor spacer to be connected to the motor and is fixed by a second nut.
[0011] Furthermore, a second washer for fastening the second nut is sleeved on the stud.
[0012] Furthermore, the second gasket is an anti-loosening gasket.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] The utility model has a simple structure, a scientific and reasonable design, and is easy to use. The stud bolt passes through the motor pad and the motor from bottom to top, avoiding interference with the motor when the bolt passes from top to bottom (first through the motor and then through the motor pad), appropriately reducing the center height of the compressor, reducing the vibration of the motor, and enabling the compressor to operate safely and stably. The second washer of the utility model can prevent the vibration of the motor during operation, resulting in poor tightening effect of the bolts and nuts. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a structural diagram of the utility model.
[0016] Figure 2 It is a three-dimensional diagram of the utility model.
[0017] The names corresponding to the reference numerals are:
[0018] 1-H-shaped steel, 2-support rib plate, 3-fixed rib plate, 4-motor spacer, 5-stud, 6-positioning guide tube, 7-first nut, 8-first washer, 9-second nut, 10-second washer. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0020] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore they cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; of course, it can also be a mechanical connection or an electrical connection; in addition, it can also be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0022] like Figure 1-Figure 2 As shown, the utility model provides a bottom skid connection structure for the main motor of a reciprocating compressor, comprising an H-shaped steel 1, two supporting ribs 2 arranged between the two wing plates of the H-shaped steel 1, a fixed rib 3 arranged between the two supporting ribs 2, a motor pad 4 arranged on the H-shaped steel 1 for supporting the motor, and a stud 5 passing through the fixed rib 3 and the motor pad 4 and fixedly connected to the motor. The stud 5 passes through the fixed rib 3 and the motor pad 4 from bottom to top and then connects to the motor, which, on the one hand, realizes the fixation of the motor, and on the other hand, avoids the interference with the motor when the bolt passes through the motor first and then through the motor pad from top to bottom, appropriately reduces the center height of the compressor, reduces the vibration of the motor, and enables the compressor to operate safely and stably. The thickness of the motor pad 4 can be adjusted according to different motors, so that it is suitable for motors of different heights, so as to appropriately reduce the center height of the compressor, and the motor pad 4 can be made thin to reduce costs.
[0023] In some embodiments, a positioning conduit 6 is provided between the H-shaped steel 1 and the fixed rib plate 3, and the stud 5 is sleeved in the positioning conduit 6. The positioning conduit 6 has a positioning and guiding function for the stud 5, so that the connection of the stud 5 is more stable and reliable.
[0024] In some embodiments, the stud 5 passes through the fixed rib plate 3 and is fixed by a first nut 7. The first nut 7 is used to fasten the stud 5 to the fixed rib plate 3. Preferably, a first washer 8 for fastening the first nut 7 is mounted on the stud 5.
[0025] In some embodiments, the stud 5 passes through the motor spacer 4 and is connected to the motor and fixed by the second nut 9. Usually, the motor is fixed on the base, and the base is provided with a threaded hole adapted to the stud 5. The stud 5 is threadedly connected to the threaded hole and fixed by the first nut 7, so that the motor is fixed. Compared with the traditional method of fixing the motor from top to bottom, the utility model avoids interference with the motor when passing through the motor first and then through the motor spacer, thereby ensuring the stability of the motor operation. Preferably, the stud 5 is provided with a second washer 10 for fastening the second nut 9.
[0026] In some embodiments, the second washer 10 is an anti-loosening washer, which can prevent the vibration during the operation of the motor from causing poor tightening of the bolts and nuts. The anti-loosening washer is cheap to purchase and economical.
[0027] The through-type connection structure described in the utility model is simple to manufacture, uses simple materials, is easy to purchase, is simple to process and assemble, and is equipped with an anti-loosening washer to prevent the nut from loosening due to vibration caused by long-term operation of the unit, thereby reducing the vibration of the unit.
[0028] Finally, it should be noted that the above embodiments are only preferred embodiments of the present invention to illustrate the technical solution of the present invention, rather than limiting it, and certainly not limiting the patent scope of the present invention; although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention; that is to say, any changes or embellishments made to the main design concept and spirit of the present invention that have no substantive significance, and the technical problems they solve are still consistent with the present invention, should be included in the protection scope of the present invention; in addition, the direct or indirect application of the technical solution of the present invention in other related technical fields is also included in the patent protection scope of the present invention.
Claims
1. A bottom skid connection structure for a main motor of a reciprocating compressor, characterized in that: The invention comprises an H-shaped steel (1), two supporting ribs (2) arranged between two wing plates of the H-shaped steel (1), a fixing rib (3) arranged between the two supporting ribs (2), a motor pad (4) arranged on the H-shaped steel (1) for supporting the motor, and a stud (5) passing through the fixing rib (3) and the motor pad (4) and fixedly connected to the motor.
2. A skid connection structure for a main motor of a reciprocating compressor according to claim 1, characterized in that: A positioning conduit (6) is provided between the H-shaped steel (1) and the fixed rib plate (3), and the stud bolt (5) is sleeved in the positioning conduit (6).
3. The bottom skid connection structure for a main motor of a reciprocating compressor according to claim 1, characterized in that: The stud bolt (5) passes through the fixing rib plate (3) and is fixed by a first nut (7).
4. The skid connection structure for a main motor of a reciprocating compressor according to claim 3, characterized in that: A first washer (8) for fastening a first nut (7) is sleeved on the stud (5).
5. The skid connection structure for a main motor of a reciprocating compressor according to claim 1, characterized in that: The stud bolt (5) passes through the motor spacer (4) to be connected to the motor and is fixed by a second nut (9).
6. The skid connection structure for a main motor of a reciprocating compressor according to claim 5, characterized in that: A second washer (10) for fastening a second nut (9) is sleeved on the stud (5).
7. The skid connection structure for a main motor of a reciprocating compressor according to claim 6, characterized in that: The second gasket (10) is an anti-loosening gasket.