Performance testing device for piston type air compressor head
Through the drive mechanism of the variable frequency motor and torque meter combined with the coupling, the problem of poor applicability of the piston air compressor head detection equipment is solved, and efficient and accurate performance measurement of multi-special heads is achieved, which reduces detection costs and improves measurement efficiency.
Patent Information
- Application Number
- CN202422384981.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-27
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-09-27
AI Technical Summary
The existing piston air compressor head detection equipment cannot adapt to different specifications and models of heads, resulting in high detection costs and low efficiency, and it is difficult for existing devices to accurately measure the performance parameters of the head.
The drive mechanism of the frequency converter and the torque meter are used to adapt to different models of heads by adjusting the power size, and the exhaust volume is measured through the ASME nozzle, combined with the adjustable mounting frame structure, which facilitates the fixing and connection of heads of different specifications.
It realizes efficient and accurate performance measurement of multi-special heads, reduces detection costs, improves measurement efficiency and convenience, and can quickly measure head displacement.
Smart Images
Figure CN223075705U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of air compressors, and particularly relates to a performance testing device for the head of a piston air compressor. Background Technique
[0002] An air compressor, abbreviated as an air compressor, is a device used for air boosting supply. An air compressor is the abbreviation of an air compressor, and an air compressor is a device used to compress gas. An air compressor is similar in structure to a water pump. Most air compressors are reciprocating pistons, rotary vane or rotary screw. Centrifugal compressors are very large applications. Air compressors can be divided into three categories according to the working principle: positive displacement type, dynamic type (speed type or turbine type), and thermal type compressors.
[0003] A piston air compressor is a type of air compressor. As the core component of the air compressor, the performance parameters of the head play a decisive role in the performance of the entire air compressor. However, for the current detection of piston air compressors, due to the different rated powers of the heads of piston air compressors, different head sizes, different pulley sizes, and different belt sizes, it is often necessary to replace the motor model corresponding to the head, the head matching tooling, and the belt, resulting in one head and one set of measuring equipment, which not only increases the detection cost but also reduces the detection efficiency.
[0004] Or directly detect the finished piston air compressor. The existing detection devices mainly focus on evaluating the performance of the finished piston air compressor and do not perform separate detection on the head. Although this detection method can understand the overall condition of the air compressor, it is difficult to accurately master the performance parameters of the head, which brings many inconveniences to the quality control during the production process and the research and development of new heads. Therefore, there is an urgent need for a head measuring device that can detect multiple piston air compressors. Content of the Utility Model
[0005] The purpose of the utility model is to provide a performance testing device for the head of a piston air compressor aiming at the above existing technical problems, achieving the effects of improving the measurement efficiency and operation convenience.
[0006] In view of this, the utility model provides a performance testing device for the head of a piston air compressor, including a frame, and the following are arranged on the frame:
[0007] A mounting rack for fixing the test head;
[0008] A driving mechanism for connecting with the central axis of the pulley of the test head. The driving mechanism includes a variable-frequency motor and a torque meter. The output end of the variable-frequency motor is fixedly connected to the input end of the torque meter through a first coupling, and the output end of the torque meter is fixedly connected to the central axis of the pulley of the test head through a second coupling;
[0009] Displacement measurement component, which is connected to the exhaust end of the test head and used to measure the displacement of the test head.
[0010] In this technical solution, the piston air compressor rotates through the motor and is transmitted to the head through the belt and pulley. Since there are many motor specifications, many pulley sizes, and many belt sizes, it is very difficult to unify the measurement standards. Traditional head measurement equipment usually uses a single device with a fixed-power motor and a fixed pulley for detection, without applicability, which undoubtedly increases the cost. A variable-frequency motor is adopted, which can be applicable to motors with a power of 0 - 22 kw. The variable-frequency motor can, according to actual needs, adjust the power size to match various different models and specifications of heads, without the need to frequently replace the motor, thus greatly improving the measurement efficiency and operation convenience. Instead of using the previous connection method of the belt driving the pulley, a torque meter is used, and through the second coupling, the center position of the pulley of the test head is directly connected by the second coupling, adopting a unified coaxial method, which is conducive to the unification of the measurement standards of the piston air compressor head, and can increase the transmission efficiency, avoid belt loss, directly measure the most accurate data of the head, and is convenient to connect, reduce a lot of tooling, and increase convenience.
[0011] Further, the displacement measurement component includes an outlet pipe, a tank body, a connecting pipe, and a pressure stabilizing pipe connected in sequence. The outlet pipe is connected to the exhaust end of the test head, and an ASME nozzle is provided at one end of the pressure stabilizing pipe away from the connecting pipe.
[0012] Further, the tank body is fixedly arranged on the top of the frame, and two symmetrically distributed brackets are provided at the bottom of the pressure stabilizing pipe. One end of the bracket away from the pressure stabilizing pipe is fixedly arranged on the tank body.
[0013] Further, a pressure gauge and a valve are connected between the connecting pipe and the pressure stabilizing pipe.
[0014] In this technical solution, after fixing the test head on the mounting frame, the test head is connected to the outlet pipe, and the compressed air discharged from the test head is conveyed into the tank body and the pressure stabilizing pipe. The performance test of the air compressor head is carried out by detecting the exhaust volume of the ASME nozzle at the tail of the pressure stabilizing pipe, and the rapid measurement of the displacement of the air compressor head can be realized.
[0015] Further, a control panel is fixedly installed on one side of the frame.
[0016] Further, the test head is fixedly arranged on the mounting frame through a fixed connection structure. A lateral adjustment structure for adjusting the lateral position of the mounting frame, a longitudinal adjustment structure for adjusting the longitudinal position of the mounting frame, and a lifting structure for adjusting the height position of the mounting frame are also equipped below the mounting frame.
[0017] In this technical solution, by adjusting the position of the mounting bracket, i.e., the test head, in the horizontal, vertical, and height directions, it is convenient for test heads of different specifications and models to be more easily connected to the driving mechanism.
[0018] Furthermore, the fixed connection structure includes:
[0019] A mounting plate, which is matched with the bottom of the test head. The mounting plate is detachably and fixedly arranged on the mounting bracket. At least two positioning pins are arranged on the mounting plate, and the positioning pins are matched with the positioning holes at the bottom of the test head. The positioning pins are used to position the test head.
[0020] A corner cylinder, which is fixedly arranged on the mounting bracket. The corner cylinder is used to press the bottom of the test head onto the mounting plate.
[0021] In this technical solution, this structure is more efficient compared to the fastening connection methods such as bolts.
[0022] Furthermore, the horizontal adjustment structure includes:
[0023] A horizontal base, on which the mounting bracket is slidably arranged;
[0024] A horizontal adjustment motor, which is fixedly arranged on the horizontal base;
[0025] A first screw rod, which is arranged along the sliding direction of the mounting bracket on the horizontal base. One end of the first screw rod is rotatably arranged on the horizontal base, and the other end is fixedly connected to the horizontal adjustment motor. A first screw nut is helically connected to the first screw rod, and the first screw nut is fixedly connected to the bottom of the mounting bracket.
[0026] In this technical solution, starting the horizontal adjustment motor can cause the first screw rod to rotate, driving the mounting bracket to slide on the horizontal base.
[0027] Furthermore, the vertical adjustment structure includes:
[0028] A vertical base, on which the horizontal base is slidably arranged;
[0029] A vertical adjustment motor, which is fixedly arranged on the vertical base;
[0030] A second screw rod, which is arranged along the sliding direction of the horizontal base on the vertical base. One end of the second screw rod is rotatably arranged on the vertical base, and the other end is fixedly connected to the vertical adjustment motor. A second screw nut is helically connected to the second screw rod, and the first screw nut is fixedly connected to the bottom of the horizontal base.
[0031] In this technical solution, starting the vertical adjustment motor can cause the second screw rod to rotate, driving the horizontal base to slide longitudinally on the vertical base.
[0032] Further, the lifting structure is a scissor - type lifting mechanism.
[0033] The beneficial effects of the present utility model are as follows:
[0034] 1. The piston air compressor rotates the motor, which is transmitted to the machine head through the belt and pulley. Since there are numerous motor specifications, pulley sizes, and belt sizes, it is very difficult to unify the measurement standards. Traditional machine head measurement equipment usually uses a single device with a fixed - power motor and a fixed pulley for detection, lacking applicability, which undoubtedly increases costs. By adopting a variable - frequency motor, it can be applicable to motors with a power range of 0 - 22 kw. The variable - frequency motor can, according to actual needs, adjust the power size to match various different models and specifications of machine heads, without the need to frequently replace the motor, thus greatly improving the measurement efficiency and operation convenience. Instead of using the previous connection method of belt driving the pulley, it is directly connected to the center position of the pulley of the test machine head through a torque meter and the second coupling, adopting a unified coaxial - center method, which is conducive to unifying the measurement standards of the piston air compressor machine head, and can increase the transmission efficiency, avoid belt loss, directly measure the most accurate data of the machine head, and is convenient to connect, reducing a lot of tooling and increasing convenience.
[0035] 2. After fixing the test machine head on the mounting frame, connect the test machine head to the outlet pipe, and convey the compressed air discharged from the test machine head into the tank body and the pressure - stabilizing pipe. By detecting the exhaust volume of the ASME nozzle at the tail of the pressure - stabilizing pipe, the performance test of the air compressor machine head can be carried out, and the rapid measurement of the displacement of the air compressor machine head can be realized.
[0036] 3. By adjusting the position of the mounting frame, i.e., the test machine head, in the horizontal, vertical, and height directions, it is convenient for test machine heads of different specifications and models to be more easily connected to the driving mechanism.
[0037] 4. The fixed - connection structure is more efficient compared to the fastening connection methods such as bolts. Description of the Drawings
[0038] Figure 1 is the perspective view of the present utility model;
[0039] Figure 2 is the front view of the present utility model;
[0040] Figure 3 is the perspective view of another angle of the present utility model;
[0041] Figure 4 is the partial perspective view of the side of the mounting frame;
[0042] Figure 5 is Figure 4 the partial enlarged view of point A in
[0043] The markings in the figure are shown as:
[0044] 1. Frame; 2. Mounting frame; 3. Displacement measurement component; 4. Driving mechanism; 5. Test head; 6. Pulley; 7. Central shaft; 8. Variable frequency motor; 9. Torque meter; 10. First coupling; 11. Second coupling; 12. Exhaust end; 13. Outlet pipe; 14. Tank body; 15. Connecting pipe; 16. Pressure stabilizing pipe; 17. ASME nozzle; 18. Bracket; 19. Pressure gauge; 20. Valve; 21. Control panel; 22. Mounting plate; 23. Rotary cylinder; 24. Positioning pin; 25. Horizontal seat; 26. Horizontal adjustment motor; 27. First screw; 28. First screw nut; 29. Vertical seat; 30. Vertical adjustment motor; 31. Second screw; 32. Second screw nut; 33. Scissor lift mechanism. Detailed implementation manners
[0045] The technical solutions in the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present application.
[0046] In the description of the present application, it should be noted that the terms used herein are only for describing specific implementation manners and are not intended to limit the exemplary embodiments according to the present application. For the convenience of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technologies, methods, and devices should be regarded as part of the authorization specification. In all the examples shown and discussed here, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.
[0047] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects and are not used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application can be implemented in an order other than those illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally of the same type, and the number of objects is not limited. For example, the first object can be one or multiple. In addition, "and / or" in the description and claims means at least one of the connected objects, and the character " / " generally means an "or" relationship between the associated objects before and after.
[0048] It should be noted that in the description of the present application, the orientation or positional relationship indicated by the orientation terms such as "front, rear, upper, lower, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom", etc. is usually based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description. Without contrary description, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation on the protection scope of the present application; the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.
[0049] It should be noted that in the present application, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising one..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element. In addition, it should be pointed out that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the reverse order according to the functions involved. For example, the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.
[0050] Embodiment 1
[0051] As Figure 1-2 shown, a performance test device for a piston air compressor head includes a frame 1, and an installation frame 2, a driving mechanism 4 and a displacement measurement assembly 3 are arranged on the frame 1. The installation frame 2 is used to fix the test head 5; the driving mechanism 4 is used to connect with the central shaft 7 of the pulley 6 of the test head 5. The driving mechanism 4 includes a variable frequency motor 8 and a torque meter 9. The output end of the variable frequency motor 8 is fixedly connected to the input end of the torque meter 9 through a first coupling 10, and the output end of the torque meter 9 is fixedly connected to the central shaft 7 of the pulley 6 of the test head 5 through a second coupling 11; the displacement measurement assembly 3 is connected to the exhaust end 12 of the test head 5 for measuring the displacement of the test head 5.
[0052] The piston air compressor rotates the motor, which is transmitted to the air end through the belt and pulley 6. Since there are numerous motor specifications, numerous pulley 6 sizes, and numerous belt sizes, it is very difficult to unify the measurement standards. Traditional air end measurement equipment usually uses a motor with a fixed power and a single device for the fixed pulley 6 for detection, without applicability, which undoubtedly increases the cost. The variable-frequency motor 8 is adopted, which can be applicable to motors with a power of 0 - 22 kW. The variable-frequency motor 8 can, according to actual requirements, adjust the power size to match various air ends of different models and specifications, without the need to frequently replace the motor, thus greatly improving the measurement efficiency and operation convenience. Instead of using the previous connection method of driving the pulley 6 with a belt, the torque meter 9 is used. Through the second coupling 11, the center position of the pulley 6 of the test air end 5 is directly connected by the second coupling 11, adopting a unified coaxial method, which is conducive to the unification of the piston air compressor air end measurement standards, and can increase the transmission efficiency, avoid belt loss, directly measure the most accurate data of the air end, and is convenient to connect, reduce many toolings, and increase convenience.
[0053] Embodiment 2
[0054] As Figure 1-3 shown, the displacement measurement assembly 3 includes an outlet pipe 13, a tank body 14, a connecting pipe 15, and a pressure stabilizing pipe 16 that are connected in sequence. The outlet pipe 13 is connected to the exhaust end 12 of the test air end 5. An ASME nozzle 17ASME is provided at one end of the pressure stabilizing pipe 16 away from the connecting pipe 15. The tank body 14 is fixedly arranged on the top of the frame 1. Two symmetrically distributed supports 18 are provided at the bottom of the pressure stabilizing pipe 16, and one end of the support 18 away from the pressure stabilizing pipe 16 is fixedly arranged on the tank body 14. A pressure gauge 19 and a valve 20 are connected between the connecting pipe 15 and the pressure stabilizing pipe 16.
[0055] After the test air end 5 is fixed on the mounting frame 2, the test air end 5 is connected to the outlet pipe 13, and the compressed air discharged from the test air end 5 is transported into the tank body 14 and the pressure stabilizing pipe 16. The performance test of the air compressor air end is carried out by detecting the exhaust volume of the ASME nozzle 17ASME at the tail of the pressure stabilizing pipe 16, and the rapid measurement of the air end displacement of the air compressor can be realized. A control panel 21 is fixedly installed on one side of the frame 1.
[0056] Embodiment 3
[0057] As Figure 4-5 shown, the test air end 5 is fixedly arranged on the mounting frame 2 through a fixed connection structure. A lateral adjustment structure for adjusting the lateral position of the mounting frame 2, a longitudinal adjustment structure for adjusting the longitudinal position of the mounting frame 2, and a lifting structure for adjusting the height position of the mounting frame 2 are also equipped below the mounting frame 2.
[0058] By adjusting the position of the mounting bracket 2, i.e., the test head 5, in the horizontal, vertical, and height directions, it is convenient for test heads 5 of different specifications and models to be more easily connected to the drive mechanism 4.
[0059] The fixed connection structure includes a mounting plate 22 and a rotary cylinder 23. The mounting plate 22 matches the bottom of the test head 5. The mounting plate 22 is detachably and fixedly arranged on the mounting bracket 2. At least two positioning pins 24 are arranged on the mounting plate 22. The positioning pins 24 match the positioning holes at the bottom of the test head 5, and the positioning pins 24 are used to position the test head 5. The rotary cylinder 23 is fixedly arranged on the mounting bracket 2, and the rotary cylinder 23 is used to press the bottom of the test head 5 onto the mounting plate 22. This structure is more efficient compared to the fastening connection method such as bolts.
[0060] The horizontal adjustment structure includes a horizontal base 25, a horizontal adjustment motor 26, and a first screw rod 27. The mounting bracket 2 is slidably arranged on the horizontal base 25. The horizontal adjustment motor 26 is fixedly arranged on the horizontal base 25. The first screw rod 27 is arranged along the sliding direction of the mounting bracket 2 on the horizontal base 25. One end of the first screw rod 27 is rotatably arranged on the horizontal base 25, and the other end is fixedly connected to the horizontal adjustment motor 26. A first screw nut 28 is helically connected to the first screw rod 27, and the first screw nut 28 is fixedly connected to the bottom of the mounting bracket 2. Starting the horizontal adjustment motor 26 can make the first screw rod 27 rotate, driving the mounting bracket 2 to slide on the horizontal base 25.
[0061] The vertical adjustment structure includes a vertical base 29, a vertical adjustment motor 30, and a second screw rod 31. The horizontal base 25 is slidably arranged on the vertical base 29. The vertical adjustment motor 30 is fixedly arranged on the vertical base 29. The second screw rod 31 is arranged along the sliding direction of the horizontal base 25 on the vertical base 29. One end of the second screw rod 31 is rotatably arranged on the vertical base 29, and the other end is fixedly connected to the vertical adjustment motor 30. A second screw nut 32 is helically connected to the second screw rod 31, and the first screw nut 28 is fixedly connected to the bottom of the horizontal base 25.
[0062] Starting the vertical adjustment motor 30 can make the second screw rod 31 rotate, driving the horizontal base 25 to slide longitudinally on the vertical base 29.
[0063] The lifting structure is a scissor - type lifting mechanism 33.
[0064] The embodiments of the present application have been described above in conjunction with the accompanying drawings. Without conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above specific embodiments. The above specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, those of ordinary skill in the art can also make many forms without departing from the purpose of the present application and the scope protected by the claims, and all of them belong to the protection scope of the present application.
Claims
1. A performance test device for a piston air compressor head, characterized in that , including a frame (1), on which are provided: A mounting bracket (2) for fixing a test head (5); A driving mechanism (4) for connecting with the central axis (7) of a pulley (6) of the test head (5). The driving mechanism (4) includes a variable-frequency motor (8) and a torque meter (9). The output end of the variable-frequency motor (8) is fixedly connected to the input end of the torque meter (9) through a first coupling (10), and the output end of the torque meter (9) is fixedly connected to the central axis (7) of the pulley (6) of the test head (5) through a second coupling (11); A displacement measurement assembly (3) connected to the exhaust end (12) of the test head (5) for measuring the displacement of the test head (5).
2. The performance testing device for the piston air compressor head according to claim 1, wherein The displacement measurement assembly (3) includes an outlet pipe (13), a tank body (14), a connecting pipe (15) and a pressure stabilizing pipe (16) connected in sequence. The outlet pipe (13) is connected to the exhaust end (12) of the test head (5), and an ASME nozzle (17) is provided at one end of the pressure stabilizing pipe (16) away from the connecting pipe (15).
3. The performance testing device for a piston air compressor head according to claim 2, characterized in that, The tank body (14) is fixedly arranged on the top of the frame (1). Two symmetrically distributed brackets (18) are provided at the bottom of the pressure stabilizing pipe (16), and one end of the bracket (18) away from the pressure stabilizing pipe (16) is fixedly arranged on the tank body (14).
4. The performance testing device for the piston air compressor head according to claim 3, characterized in that A pressure gauge (19) and a valve (20) are connected between the connecting pipe (15) and the pressure stabilizing pipe (16).
5. The performance testing device for the piston air compressor head according to claim 4, characterized in that, A control panel (21) is fixedly installed on one side of the frame (1).
6. The performance testing device for the piston air compressor head according to claim 5, characterized in that, The test head (5) is fixedly arranged on the mounting bracket (2) through a fixed connection structure. A lateral adjustment structure for adjusting the lateral position of the mounting bracket (2), a longitudinal adjustment structure for adjusting the longitudinal position of the mounting bracket (2), and a lifting structure for adjusting the height position of the mounting bracket (2) are also provided below the mounting bracket (2).
7. The performance testing device for the piston air compressor head according to claim 6, characterized in that, The fixed connection structure includes: A mounting plate (22) that matches the bottom of the test head (5). The mounting plate (22) is detachably and fixedly arranged on the mounting bracket (2). At least two positioning pins (24) are provided on the mounting plate (22), and the positioning pins (24) match the positioning holes at the bottom of the test head (5) for positioning the test head (5); A corner cylinder (23) fixedly arranged on the mounting bracket (2) for pressing the bottom of the test head (5) onto the mounting plate (22).
8. A performance testing device for a piston air compressor head according to claim 7, characterized in that, The lateral adjustment structure includes: A lateral seat (25) on which the mounting bracket (2) is slidably arranged; A lateral adjustment motor (26) fixedly arranged on the lateral seat (25); The first screw rod (27) is arranged along the sliding direction of the mounting frame (2) on the transverse seat (25). One end of the first screw rod (27) is rotatably arranged on the transverse seat (25), and the other end is fixedly connected to the transverse adjustment motor (26). A first screw nut (28) is helically connected to the first screw rod (27), and the first screw nut (28) is fixedly connected to the bottom of the mounting frame (2).
9. A performance testing device for a piston air compressor head according to claim 8, characterized in that, The longitudinal adjustment structure includes: A longitudinal seat (29), on which the transverse seat (25) is slidably arranged; A longitudinal adjustment motor (30), which is fixedly arranged on the longitudinal seat (29); A second screw rod (31) is arranged along the sliding direction of the transverse seat (25) on the longitudinal seat (29). One end of the second screw rod (31) is rotatably arranged on the longitudinal seat (29), and the other end is fixedly connected to the longitudinal adjustment motor (30). A second screw nut (32) is helically connected to the second screw rod (31), and the first screw nut (28) is fixedly connected to the bottom of the transverse seat (25).
10. A performance testing device for a piston air compressor head according to claim 9, characterized in that, The lifting structure is a scissor lift mechanism (33).