Performance test apparatus for compressors

Abstract

The present application relates to the technical field of compressor testing, in particular to a performance testing device for a compressor, which is characterized in that a testing cylinder is arranged above a testing base, a front ring is fixedly installed at the front end of the testing cylinder, two outer rings are fixedly installed on the outer side of the front ring, a plurality of clamping block holes between the two outer rings are evenly arranged on the front ring, an elliptical rack is slidably installed in each clamping block hole, a top ring is fixedly installed inside the front ring, a plurality of built-in vertical grooves are evenly arranged at the front end of the top ring, a sliding rod is slidably installed in each built-in vertical groove, a compression plate is fixedly installed at each end of each sliding rod, and an extrusion push plate is fixedly installed between every two compression plates; a compression assembly is installed in the testing cylinder, and a driving assembly is arranged between the two outer rings. The extrusion push plate continuously extrudes the outside of the compression assembly, avoiding shaking during testing, improving the accuracy of test data, and testing various specifications of compression assemblies, improving convenience.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of compressor testing, in particular to a performance testing device for a compressor. BACKGROUND

[0002] With the rapid development of modern aerospace and maritime industries, the requirements for engines are becoming increasingly stringent. As an important component of an aero-engine, the working environment of a compressor is becoming increasingly harsh. Therefore, it is of great significance to test the compressor by comprehensively considering various factors and to improve and perfect the compressor.

[0003] During the testing of a compressor, a clamp is needed to position the compressor to ensure that the testing process does not shake and to improve the accuracy of the test. However, the traditional clamp tool usually adopts a mechanical clamping method, which fixes the shell on the clamp through bolts, pressure plates and other mechanisms. However, this clamp has the following disadvantages: the clamping force of the mechanical clamp is usually achieved by manually tightening the bolts, which is very inconvenient to operate, and the size of the clamping force is difficult to accurately control, which can easily cause deformation or damage to the shell of the compressor. In addition, it cannot test compressors of various specifications.

[0004] Therefore, the present application provides a performance testing device for a compressor to solve the above problems. SUMMARY

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present application provides a performance testing device for a compressor, which effectively solves the problem that the clamping force of the existing mechanical clamp is usually achieved by manually tightening the bolts, which is very inconvenient to operate, and the size of the clamping force is difficult to accurately control, which can easily cause deformation or damage to the shell of the compressor.

[0006] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0007] The performance testing device for a compressor comprises a test base, a test cylinder is arranged above the test base, a front ring is fixedly installed at the front end of the test cylinder, two outer rings are fixedly installed outside the front ring, a plurality of clamping block holes between the two outer rings are uniformly arranged on the front ring, an elliptical rack is slidably installed in each clamping block hole, a top ring is fixedly installed inside the front ring, a plurality of inner vertical grooves are uniformly arranged at the front end of the top ring, a sliding rod is slidably installed in each inner vertical groove, a compression plate is fixedly installed at both ends of each sliding rod, and an extrusion push plate is fixedly installed between every two compression plates. A compression assembly is installed in the test cylinder, and a driving assembly is arranged between the two outer rings.

[0008] Preferably, upper ends of the test base are provided with sliding seats, both ends of each sliding seat are fixedly provided with clamping rods, the test cylinder is rotatably arranged between the two clamping rods, each clamping rod is rotatably provided with a locking block, both ends of each locking block are rotatably provided with friction blocks, outer ends of each friction block are fixedly provided with pressing rings, two pressing rings on the same side are arranged with a tension spring, and one locking block is provided with a crank handle.

[0009] Preferably, the driving assembly comprises a driving gear and a driving gear ring, one end of each elliptical rack is fixedly provided with a convex rod, each convex rod is rotatably connected with a corresponding sliding rod, one side of each clamping block hole is rotatably provided with a driving gear meshing with the elliptical rack, both ends of each driving gear are fixedly provided with a driven gear, the driving gear ring is rotatably arranged between the two external rings, the rear end of the driving gear ring is fixedly provided with a cover ring, and the cover ring is uniformly provided with a plurality of guide holes.

[0010] Preferably, each compression plate is fixedly provided with a compression spring, the front ring is fixedly provided with a pad, the pad is rotatably provided with a power gear meshing with the driving gear ring, and the pad is provided with a rocking disc.

[0011] Preferably, the test cylinder is uniformly provided with a plurality of positioning holes, one side of each positioning hole is fixedly provided with an air bag box, the test cylinder is provided with an inflatable air bag, each air bag box and the inflatable air bag are connected with an air outlet pipe, the inside of each air bag box is slidably provided with an air bag push plate, each air bag push plate is fixedly provided with a push rod, and each push rod is fixedly provided with a push block.

[0012] Preferably, the outer side of the test cylinder is provided with a threaded ring, and the outer end of each air bag box is provided with an air inlet pipe.

[0013] Preferably, both ends of each convex rod are fixedly provided with an extension rod, the top ring is uniformly provided with a plurality of built-in holes, each built-in hole is slidably provided with a moving rod, each moving rod is fixedly provided with a pressing block, and each extension rod and the corresponding pressing block are connected with a first telescopic rod.

[0014] Preferably, the rear end of the test cylinder is fixedly provided with a fixing frame, the fixing frame is provided with a second telescopic rod, the driving gear ring is uniformly provided with a plurality of limiting holes, the front ring is fixedly provided with a positioning block, and the positioning block is slidably provided with an insertion rod.

[0015] Preferably, the test base is provided with a sliding seat, the sliding seat is provided with a third telescopic rod, and the third telescopic rod is provided with a bending block.

[0016] Compared with the prior art, the present application has the following advantages:

[0017] 1. By continuously squeezing the outside of the air assembly through the extrusion pusher, shaking during the test is avoided, improving the accuracy of the test data. At the same time, it can test air assemblies of various specifications, improving convenience, reducing the difficulty of operation for personnel, and making the operation more convenient.

[0018] 2. Through the combined action of the pressure ring, locking block, and tension spring, the rotation speed of the locking block is slowed down, preventing the test cylinder from rotating too much and improving the positional accuracy of the test cylinder.

[0019] 3. Due to the design of the compression plate and compression spring, the squeezing push plate avoids hard squeezing of the air compressor assembly, and also avoids damage to the outer wall of the air compressor assembly, thus improving its service life and making it more convenient to operate. Furthermore, the squeezing push plate and pressure block can simultaneously press the outer surface of the air compressor assembly, improving the stability of the air compressor assembly and the accuracy of the test data.

[0020] 4. Through the combined action of the push block, push rod, and airbag push plate, the inflatable airbag can squeeze the air compressor assembly, effectively dispersing the squeezing force of the inflatable airbag, preventing the air compressor assembly from being subjected to excessive pressure, and further improving stability. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the test cylinder and the front ring structure of the present invention;

[0023] Figure 3 This is a schematic diagram of the position of the air compressor assembly of the present invention;

[0024] Figure 4 This is a schematic diagram of the inflatable airbag structure of the present invention;

[0025] Figure 5 This is a schematic diagram showing the position of the top ring of the present invention;

[0026] Figure 6 This is a schematic diagram of the drive gear ring and driven gear structure of the present invention;

[0027] Figure 7 This is a schematic diagram of the elliptical rack structure of the present invention;

[0028] Figure 8 This is a schematic diagram of the fixing frame and the second telescopic rod structure of the present invention;

[0029] Figure 9 This is a schematic diagram of the friction block and pressure ring structure of the present invention;

[0030] Figure 10Schematic view of the compression plate and extrusion push plate structure of the present application;

[0031] Figure 11 Schematic view of the compression plate and extrusion push plate structure of the present application Figure 1 ;

[0032] Figure 12 Schematic view of the compression plate and extrusion push plate structure of the present application Figure 3 ;

[0033] Figure 13 Schematic view of the compression plate and extrusion push plate structure of the present application Figure 3 .

[0034] Marked in the figure: 1, test base; 2, test cylinder; 3, front ring; 4, outer ring; 5, clamping block hole; 6, oval rack; 7, top ring; 8, built-in vertical groove; 9, sliding rod; 10, compression plate; 11, extrusion push plate; 12, air compression assembly; 13, sliding seat; 14, clamping rod; 15, lock block; 16, friction block; 17, compression ring; 18, tension spring; 19, handle; 20, drive gear; 21, drive gear ring; 22, driven gear; 23, cover ring; 24, guide hole; 25, compression spring; 26, pad; 27, power gear; 28, rocker; 29, positioning hole; 30, air bag box; 31, inflatable air bag; 32, air outlet pipe; 33, air bag push plate; 34, push rod; 35, push block; 36, threaded ring; 37, air inlet pipe; 38, extension rod; 39, built-in hole; 40, moving rod; 41, compression block; 42, first telescopic rod; 43, fixed frame; 44, second telescopic rod; 45, limiting hole; 46, positioning block; 47, insertion rod; 48, sliding seat; 49, third telescopic rod; 50, curved block; 51, protruding rod. DETAILED DESCRIPTION

[0035] The embodiments of the present application will be described in detail below with reference to the drawings, and those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application. Figures 1 to 13 The embodiments of the present application will be described in detail below with reference to the drawings, and those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present application, and are not intended to limit the protection scope of the present application.

[0036] Performance testing equipment for air compressors, such as Figure 1 , Figure 2 , Figure 4 , Figure 5 , Figure 6 , Figure 8As shown, including test base 1, test base 1 is provided with test cylinder 2, test cylinder 2 front and rear through structure, the front end of test cylinder 2 is fixedly installed with front ring 3, the inner diameter of front ring 3 is greater than the inner diameter of test cylinder 2, two outer rings 4 are fixedly installed on the outer side of front ring 3, a certain gap is reserved between the two outer rings 4, a plurality of clamping block holes 5 are uniformly provided on the front ring 3, the plurality of clamping block holes 5 are arranged between the two outer rings 4, six clamping block holes 5 are arranged here, an elliptical rack 6 is slidably installed in each clamping block hole 5, a tooth is arranged on the inner side of the elliptical rack 6, a top ring 7 is fixedly installed on the inner wall of the front ring 3, the inner diameter of the top ring 7 is the same as the inner diameter of the test cylinder 2, the outer diameter is the same as the inner diameter of the front ring 3, six built-in vertical grooves 8 are uniformly provided on the front end of the top ring 7, a sliding rod 9 is slidably installed in each built-in vertical groove 8, a suitable compression plate 10 is fixedly installed at the top of each sliding rod 9, two compression plates 10 are arranged on the two sides of the corresponding sliding rod 9, the compression plate 10 has the characteristics of compression and rebound, a pressing push plate 11 is fixedly installed between every two compression plates 10, the pressing push plate 11 is arranged close to the center of the test cylinder 2, a gas compression assembly 12 is installed in the test cylinder 2, the gas compression assembly 12 is a gas compressor assembly, a driving assembly is arranged between the two outer rings 4.

[0037] When the gas compressor is tested, the personnel inserts the rear end of the gas compression assembly 12 into the inside of the test cylinder 2 through the front ring 3, the front side of the gas compression assembly 12 is located in the inside of the front ring 3, then the driving assembly moves, each elliptical rack 6 pushes the corresponding sliding rod 9, compression plate 10, pressing push plate 11 to the outside of the front end of the gas compression assembly 12, because the elliptical rack 6 continuously delivers, the pressing push plate 11 contacts with the outside of the gas compression assembly 12, each compression plate 10 gradually compresses, so that the pressing push plate 11 clamps and stabilizes the gas compression assembly 12, then the personnel tests the performance of the gas compression assembly 12 using the test equipment, which can test the performance, ensure the safe operation of the gas compression assembly 12 and reduce the cost, prolong the service life, and because multiple pressing push plates 11 clamp the gas compression assembly 12, avoid shaking during testing, improve the accuracy of test data, at the same time, it can also test various specifications of the gas compression assembly 12, improve the convenience, reduce the operation difficulty of personnel, and it is more convenient to operate.

[0038] When the test is finished, each elliptical rack 6 is driven to slide reversely, each pressing push plate 11 gradually moves away from the gas compression assembly 12, and the gas compression assembly 12 can be removed.

[0039] As Figure 1 , Figure 9As shown, the upper end of the test base 1 is slidingly installed with a sliding seat 13, the sliding seat 13 is fixedly connected with the test base 1 through bolts, the left and right ends of the sliding seat 13 are fixedly installed with vertical clamping rods 14 respectively, the outer surface of the rear end of the test cylinder 2 is fixedly installed with two left and right symmetrical positioning shafts, each positioning shaft penetrates the upper end of the corresponding clamping rod 14, each clamping rod 14 is rotatably installed with a lock block 15, the circumferential outer surface of each lock block 15 is a friction pattern, each lock block 15 is coaxially fixedly connected with the corresponding positioning shaft, the upper and lower ends of each lock block 15 are installed with friction blocks 16 respectively, the inner circular surface of each friction block 16 is a friction surface, the friction surface is in contact with the friction pattern, the outer circular end of each friction block 16 is fixedly installed with a compression ring 17, each compression ring 17 is slidingly connected to the outer end of the corresponding clamping rod 14, two tension springs 18 are installed between the two compression rings 17 located on the same side, one end of each tension spring 18 is fixedly connected to the upper compression ring 17, the other end is fixedly connected to the lower compression ring 17, under normal circumstances, due to the force of the tension spring 18, each two friction blocks 16 can clamp the lock block 15, a protective cover is sleeved between the two compression rings 17 located on the same side, which can protect the lock block 15, the friction block 16 and the friction block 16, the outer end of one of the protective covers is rotatably installed with a crank 19, the crank 19 is coaxially fixedly connected with the corresponding lock block 15;

[0040] When it is necessary to adjust the position angle of the air compression assembly 12, the crank 19 is rotated to rotate the corresponding lock block 15 and the test cylinder 2, due to the contraction force of the tension spring 18, the friction surface is in sliding contact with the friction pattern, which slows down the rotation speed of the lock block 15, prevents the test cylinder 2 from rotating too much angle, and improves the position accuracy of the test cylinder 2.

[0041] As Figure 1 , Figure 2 , Figure 6 , Figure 10 , Figure 11 , Figure 13As shown, the driving assembly comprises a driving gear 20 and a driving gear ring 21, the inner end of each elliptic rack 6 is fixedly installed with a convex rod 51, each slide rod 9 is rotatably connected with the corresponding convex rod 51, a plurality of connecting shafts are fixedly installed between the two outer rings 4, each connecting shaft is correspondingly provided with a clamping block hole 5, one side of the connecting shaft is provided with the clamping block hole 5, the driving gear 20 is rotatably connected on each connecting shaft, each driving gear 20 is rotatably installed in the corresponding elliptic rack 6 and is in meshing connection with the teeth of the elliptic rack 6, the front and rear ends of each driving gear 20 are coaxially fixedly installed with a driven gear 22, the driven gear 22 is rotatably installed on the connecting shaft, the driving gear ring 21 is rotatably installed between the two outer rings 4, the front driven gear 22 is in meshing connection with the inner teeth of the driving gear ring 21, the front end surface of the driving gear ring 21 is rotatably connected on the outer ring 4, the rear end of the driving gear ring 21 is coaxially fixedly installed with a cover ring 23, the outer diameter of the cover ring 23 is the same as that of the front ring 3, the rear driven gear 22 is in meshing connection with the inner teeth of the cover ring 23, a plurality of guide holes 24 are uniformly formed on the cover ring 23, each elliptic rack 6 is arranged in the corresponding guide hole 24 and does not interfere with the movement of the elliptic rack 6;

[0042] As shown in Figure 1 、 Figure 10 、 Figure 11 Each compression plate 10 is fixedly installed with a compression spring 25 on the inner end, the other end of each compression spring 25 is fixedly connected on the corresponding compression plate 10, the outer end surface of the front ring 3 is fixedly installed with a pad 26, the pad 26 is arranged in front of the front outer ring 4, the pad 26 is rotatably installed with a power gear 27, the power gear 27 is in meshing connection with the outer teeth of the driving gear ring 21, the pad 26 is rotatably installed with a rocking disc 28, the rocking disc 28 is coaxially fixedly connected with the power gear 27;

[0043] When the pressurizing assembly 12 needs to be clamped, the personnel rotates the handle 28, the power gear 27 engages the driving gear ring 21 and the cover ring 23 to rotate between the two outer rings 4, each guide hole 24 slides against the outer surface of the corresponding oval rack 6, the driving gear ring 21 engages each driven gear 22 to rotate, the driven gear 22 drives the driving gear 20 to rotate, each driving gear 20 engages the corresponding oval rack 6 to move, each oval rack 6 pushes the corresponding slide rod 9, compression plate 10 and extrusion push plate 11 to the front end of the pressurizing assembly 12 through the convex rod 51, and the extrusion push plate 11 contacts and extrudes the outer surface of the pressurizing assembly 12 due to the continuous conveying of the oval rack 6, each compression plate 10 and compression spring 25 is compressed, so that the extrusion push plate 11 clamps and fixes the pressurizing assembly 12, then the personnel tests the performance of the pressurizing assembly 12 by using the test equipment, so as to ensure the safe operation of the pressurizing assembly 12, and the compression plate 10 and compression spring 25 are arranged to avoid hard extrusion of the extrusion push plate 11 on the pressurizing assembly 12, and also avoid damage to the outer wall of the pressurizing assembly 12, improve the service life, and the operation is more convenient.

[0044] As shown in Figure 8 , Figure 2 , Figure 3 , Figure 12 , six positioning holes 29 are uniformly arranged on the test cylinder 2, six air bag boxes 30 are uniformly and fixedly installed on the outer surface of the test cylinder 2, each air bag box 30 is correspondingly arranged with the corresponding positioning hole 29, the inner wall of the test cylinder 2 is installed with an inflatable air bag 31, the inflatable air bag 31 has an annular structure and has the characteristics of contraction and expansion, the bottom end of each air bag box 30 is fixedly penetrated with an air outlet pipe 32 on the front side, the other end of each air outlet pipe 32 is fixedly penetrated on the inflatable air bag 31, the inside of each air bag box 30 is slidably installed with an air bag push plate 33, a sealing ring is installed on the outer edge surface of the air bag push plate 33 to enhance the sealing property, a push rod 34 is fixedly installed on each air bag push plate 33, the rear end of each push rod 34 penetrates the rear end of the corresponding air bag box 30, and a push block 35 is fixedly installed on the rear end of each push rod 34.

[0045] As shown in Figure 2 , Figure 3 , Figure 12 , a threaded ring 36 is threadedly sleeved on the outer side of the test cylinder 2, a plurality of push blocks 35 are arranged on the front side of the threaded ring 36, each push block 35 is slidably connected to the front side of the threaded ring 36, an air inlet pipe 37 is fixedly penetrated to the outer end of each air bag box 30, and a sealing plug is installed at the top end of each air inlet pipe 37, so that the air in each air bag box 30 can be inflated through the inflation equipment and the air inlet pipe 37 when the air in each air bag box 30 is insufficient;

[0046] The personnel inserts the rear end of the air compression assembly 12 into the inside of the inflatable air bag 31 through the front ring 3, the front side of the air compression assembly 12 is located in the inside of the front ring 3, then the threaded ring 36 moves forward, thereby pushing each push block 35 and push rod 34 to move forward, each air bag push plate 33 pushes the gas in the air bag box 30 to enter the inside of the inflatable air bag 31 through the gas outlet pipe 32, the inflatable air bag 31 gradually expands, thereby extruding the rear end of the air compression assembly 12, which can effectively disperse the extrusion force of the inflatable air bag 31, prevent the air compression assembly 12 from being subjected to excessive pressure, and further improve the stability, since the inflatable air bag 31 applies pressure to the air compression assembly 12, the air compression assembly 12 will not be damaged, and the stability is further improved;

[0047] When the test is completed, the threaded ring 36 is reversely rotated to move the push block 35, the push rod 34, and the air bag push plate 33 backward, due to the negative pressure and the contraction force of the inflatable air bag 31, the gas gradually enters the inside of each air bag box 30, the inflatable air bag 31 is not in contact with the air compression assembly 12, and the air compression assembly 12 can be taken out.

[0048] As shown in Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 10 Each extension rod 38 is fixedly installed with an extension rod 38 at both ends, a plurality of built-in holes 39 are uniformly arranged on the top ring 7, each built-in hole 39 is arranged between two built-in vertical grooves 8, a moving rod 40 is slidably installed in the inside of each built-in hole 39, and a suitable existing pressing block 41 is fixedly installed on the front top end of each moving rod 40. The pressing block 41 has the characteristics of compression and rebound, the first telescopic rod 42 includes an inner end rod, an outer end cylinder, an inner swinging rod, and an outer swinging rod, the inner swinging rod is rotatably installed on each extension rod 38, the inner end rod is fixedly installed at the other end of each inner swinging rod, the outer swinging rod is rotatably installed at the rear end of each pressing block 41, the outer end cylinder is fixedly installed at the other end of each outer swinging rod, each inner end rod is slidably connected in the inside of the corresponding outer end cylinder, an auxiliary spring is fixedly connected to the inner end of each inner end rod, and the other end of each auxiliary spring is fixedly connected to the inner wall of the outer end cylinder.

[0049] Each oval rack 6 pushes the corresponding slide rod 9, compression plate 10, and extrusion push plate 11 to compress the air compression assembly 12 through the convex rod 51, at the same time, each extension rod 38 pushes the inner end rod, outer end cylinder, inner swinging rod, and outer swinging rod to move, so that each pressing block 41 compresses the outer side of the air compression assembly 12, and the auxiliary spring is in a compressed state, at this time, the extrusion push plate 11 and the pressing block 41 can simultaneously compress the outer side of the air compression assembly 12, thereby improving the stability of the air compression assembly 12 and the accuracy of the test data.

[0050] When the test is finished, each oval rack 6 moves reversely, the corresponding slide rod 9, compression plate 10, extrusion push plate 11, inner end rod, outer end cylinder, inner swing rod and outer swing rod gradually move away from the air compression assembly 12, and the air compression assembly 12 can be removed.

[0051] As shown in Figure 1 , Figure 8 , Figure 11 , the rear end of the test cylinder 2 is fixedly installed with a fixed frame 43, the fixed frame 43 is installed with an electric second telescopic rod 44, the telescopic end of the second telescopic rod 44 is fixedly installed with a round plate, the second telescopic rod 44 is connected with a power supply and a controller, a plurality of limiting holes 45 are uniformly arranged on the driving gear ring 21, the number of the limiting holes 45 is selected according to the need, the outer end of the front ring 3 is fixedly installed with a positioning block 46, the positioning block 46 is arranged on the front side of the outer ring 4 and located on one side of the pad 26, and the positioning block 46 is slidably installed with a plug rod 47 on the front and rear sides.

[0052] When the air compression assembly 12 needs to be taken out, the controller starts the second telescopic rod 44 to work, the telescopic end of the second telescopic rod 44 pushes the rear end of the air compression assembly 12 to move forward through the round plate, so that the air compression assembly 12 can be completely pushed out, the air compression assembly 12 can be smoothly taken out, and the physical strength of the personnel is reduced.

[0053] When the air compression assembly 12 is clamped, the plug rod 47 is inserted into the corresponding limiting hole 45, and the locking function of the driving gear ring 21 is realized.

[0054] As shown in Figure 1 , the test base 1 is slidably installed with a sliding seat 48, the sliding seat 48 is fixedly installed with an electric third telescopic rod 49, the third telescopic rod 49 is connected with a controller and a power supply, a curved block 50 is fixedly installed on the telescopic end of the third telescopic rod 49, the curved block 50 can lift the bottom of the front ring 3, avoid the downward movement of the front ring 3, and improve the overall stability, and the front end of the front ring 3 is detachably installed with a closed ring, the closed ring is sleeved on the outer side of the front end of the air compression assembly 12 and does not interfere with the test of the air compression assembly 12, and the closed ring can cover the components in the front ring 3.

[0055] It should be noted that, in the description of the present application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and is not indicative or suggestive of the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.

[0056] In addition, it needs to be explained that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood in a broad sense, for example, can be fixedly mounted, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0057] So far, the technical solutions of the present application have been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical solutions after the changes or replacements will fall within the protection scope of the present application.

Claims

1. Performance testing device for compressors, comprising a testing base (1), characterized in that, The upper portion of the test base (1) is provided with a test cylinder (2), the front end of the test cylinder (2) is fixedly installed with a front ring (3), the outer side of the front ring (3) is fixedly installed with two outer rings (4), a plurality of clamping block holes (5) are evenly arranged on the front ring (3) and located between the two outer rings (4), an oval rack (6) is slidably installed in each clamping block hole (5), a top ring (7) is fixedly installed in the inner portion of the front ring (3), a plurality of inner vertical grooves (8) are evenly arranged on the front end of the top ring (7), a sliding rod (9) is slidably installed in the inner portion of each inner vertical groove (8), a compression plate (10) is fixedly installed at both ends of each sliding rod (9), an extrusion push plate (11) is fixedly installed between every two compression plates (10), a gas compression assembly (12) is installed in the test cylinder (2), and a driving assembly is arranged between the two outer rings (4); The upper end of the test base (1) is installed with a sliding seat (13), the two ends of the sliding seat (13) are fixedly installed with clamping rods (14), the test cylinder (2) is rotatably installed between the two clamping rods (14), a locking block (15) is rotatably installed on each clamping rod (14), a friction block (16) is installed at the upper end and the lower end of each locking block (15), a pressing ring (17) is fixedly installed at the outer end of each friction block (16), a tension spring (18) is installed between two pressing rings (17) located on the same side, and a crank handle (19) is installed on one of the locking blocks (15); The driving assembly comprises a driving gear (20) and a driving gear ring (21), one end of each oval rack (6) is fixedly installed with a protruding rod (51), each protruding rod (51) is rotatably connected with the corresponding sliding rod (9), one side of each clamping block hole (5) is rotatably installed with a driving gear (20) engaged with the oval rack (6), both ends of each driving gear (20) are fixedly installed with a driven gear (22), a driving gear ring (21) is rotatably installed between the two outer rings (4), the rear end of the driving gear ring (21) is fixedly installed with a cover ring (23), and a plurality of guide holes (24) are evenly arranged on the cover ring (23).

2. The performance test apparatus for a compressor according to claim 1, characterized by, A compression spring (25) is fixedly installed on each compression plate (10), a pad (26) is fixedly installed on the front ring (3), a power gear (27) engaged with the driving gear ring (21) is rotatably installed on the pad (26), and a rocking disc (28) is installed on the pad (26).

3. The performance testing apparatus for a compressor according to claim 1, wherein The test cylinder (2) is uniformly provided with a plurality of positioning holes (29), one side of each positioning hole (29) is fixedly provided with an air bag box (30), the test cylinder (2) is provided with an inflatable air bag (31), each air bag box (30) is connected with the inflatable air bag (31) through an air outlet pipe (32), each air bag box (30) is slidably provided with an air bag push plate (33), each air bag push plate (33) is fixedly provided with a push rod (34), and each push rod (34) is fixedly provided with a push block (35).

4. The performance test apparatus for a compressor according to claim 3, characterized by The outer side of the test cylinder (2) is provided with a threaded ring (36), and the outer end of each air bag box (30) is provided with an air inlet pipe (37).

5. The performance testing apparatus for a compressor according to claim 1, wherein Both ends of each convex rod (51) are fixedly provided with an extension rod (38), the top ring (7) is uniformly provided with a plurality of built-in holes (39), each built-in hole (39) is slidably provided with a moving rod (40), each moving rod (40) is fixedly provided with a pressing block (41), and each extension rod (38) is connected with the corresponding pressing block (41) through a first telescopic rod (42).

6. The performance testing apparatus for a compressor according to claim 1, wherein The rear end of the test cylinder (2) is fixedly provided with a fixed frame (43), the fixed frame (43) is provided with a second telescopic rod (44), the driving gear ring (21) is uniformly provided with a plurality of limiting holes (45), the front ring (3) is fixedly provided with a positioning block (46), and the positioning block (46) is slidably provided with a plug rod (47).

7. The performance testing apparatus for a compressor according to claim 1, wherein The test base (1) is provided with a sliding seat (48), the sliding seat (48) is provided with a third telescopic rod (49), and the third telescopic rod (49) is provided with a bending block (50).

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