Multi-model step-by-step test fixing device and test system of split type two-stage compressor

Abstract

The utility model discloses a multi-model step-by-step test fixing device and a test system of a split type two-stage compressor, and the multi-model step-by-step test fixing device of the split type two-stage compressor comprises a first-stage gear box body, a first-stage positioning plate, a second-stage gear box body and a second-stage positioning plate. The first-stage gear box body comprises a first driving shaft, a first main driving gear and a first gear box, one end of the first driving shaft is rotatably connected into the first gear box, the first main driving gear is located in the first gear box and connected to the first driving shaft in a sleeving mode, and a first assembling hole is formed in the first gear box; one side of the first-stage positioning plate is detachably connected to the first gearbox, and the other side of the first-stage positioning plate is detachably connected to the first-stage testing machine body; the second-stage gear box body comprises a second driving shaft, a second main driving gear and a second gear box. The performance of a multi-type single-stage machine body can be tested; and meanwhile, the dismounting difficulty can be greatly reduced, the time is saved, and the cost is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-model step-by-step test fixing device and test system of split two-stage compressor. BACKGROUND

[0002] In the field of high gas quality requirement, such as textile, electronics, gold, food, chemical industry, medicine, petroleum and air separation, various places needing pure and oil-free compressed air, oil-free compressor can provide high-quality compressed gas to meet various needs, and its market prospect is broad, especially oil-free screw air compressor is still in the active exploration stage in China.

[0003] Two-stage oil-free air compressor host usually uses a set of driving gears to adjust the speed ratio of primary and secondary machine body, which not only adjusts the basic performance parameters, but also plays an important role in adjusting inter-stage pressure and exhaust temperature. However, due to the problems of coating process and assembly gap stability, even the same type of machine body may have slightly different performance parameters. This causes the performance and inter-stage pressure of the two-stage compressor assembled by two single machine bodies to be slightly unstable, and usually requires two machine bodies to be matched to obtain qualified machine bodies. This results in low single test pass rate and difficulty in matching. In addition, the current single-stage machine body test requires the two-stage machine body to be disassembled for testing, and due to the difference in size and shape of different types of machine bodies, the gear box and machine body need to be disassembled from the test system and replaced, which is complicated and time-consuming. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the above-mentioned deficiencies existing in the prior art, and provides a kind of multi-model step-by-step test fixing device and test system of split two-stage compressor.

[0005] The utility model is realized by the following technical solutions:

[0006] A kind of multi-model step-by-step test fixing device of split two-stage compressor, it includes primary gear box, primary positioning plate, secondary gear box and secondary positioning plate, the primary gear box includes first driving shaft, first main drive gear and first gear box, one end of the first driving shaft is rotatably connected in the first gear box, the other end of the first driving shaft is stretched out in the outside of the first gear box and is used to be connected with driving motor, the first main drive gear is located in the first gear box and is sleeved on the first driving shaft, the first gear box is provided with first assembly hole, one side of the primary positioning plate is detachably connected to the first gear box, the other side of the primary positioning plate is detachably connected to primary test machine body, so that the primary test machine body passes through the first assembly hole and is meshed with the first main drive gear;

[0007] The second gear box comprises a second driving shaft, a second main driving gear and a second gear box, one end of the second driving shaft is rotatably connected in the second gear box, the other end of the second driving shaft extends outside the second gear box and is used for being connected with a driving motor, the second main driving gear is located in the second gear box and is sleeved on the second driving shaft, the second gear box is provided with a second assembly hole, one side of the second positioning plate is detachably connected to the second gear box, the other side of the second positioning plate is detachably connected to the second test machine body, so that the second test machine body passes through the second assembly hole and is engaged with the second main driving gear.

[0008] Further, the first gear box has a first end face towards the first positioning plate, the first end face surrounds the first assembly hole, and the first end face is attached to and connected to the side surface of the first positioning plate.

[0009] Further, the first end face has a plurality of first connecting holes, the plurality of first connecting holes are arranged at intervals and surround the first assembly hole, the first positioning plate has a plurality of first matching holes, the plurality of first matching holes correspond to the plurality of first connecting holes one by one, and the first matching holes are connected to the corresponding first connecting holes.

[0010] Further, the multi-type step-by-step test fixing device of the split two-stage compressor further comprises a second cover plate, the first gear box is provided with a first oil passage hole, and the second cover plate is detachably connected to the side surface of the first gear box and is used for sealing and covering the first oil passage hole.

[0011] Further, the first gear box has a second end face towards the second cover plate, the second end face has a plurality of first mounting holes, the plurality of first mounting holes are arranged at intervals and surround the first oil passage hole, and the second cover plate is attached to the second end face and is connected to the plurality of first mounting holes.

[0012] Further, the second gear box has a third end face towards the second positioning plate, the third end face surrounds the second assembly hole, and the third end face is attached to and connected to the side surface of the second positioning plate.

[0013] Further, the third end face has a plurality of second connecting holes, the plurality of second connecting holes are arranged at intervals and surround the second assembly hole, the second positioning plate has a plurality of second matching holes, the plurality of second matching holes correspond to the plurality of second connecting holes one by one, and the second matching holes are connected to the corresponding second connecting holes.

[0014] Further, the multi-type step-by-step test fixing device of the split two-stage compressor further comprises a first cover plate, the second gear box is provided with a second oil passage hole, and the first cover plate is detachably connected to the side of the second gear box and used for sealing and covering the second oil passage hole.

[0015] Further, one side of the second gear box towards the first cover plate is provided with a four-stage end face, a plurality of second mounting holes are arranged on the four-stage end face and surround the second oil passage hole, and the first cover plate is attached to the four-stage end face and connected to the plurality of second mounting holes.

[0016] A test system comprising the multi-type step-by-step test fixing device of the split two-stage compressor.

[0017] The multi-type step-by-step test fixing device of the split two-stage compressor and the test system have the advantages that:

[0018] The multi-type step-by-step test fixing device of the split two-stage compressor and the test system have the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 FIG. 1 is a structural schematic view of the multi-type step-by-step test fixing device of the split two-stage compressor according to the present application.

[0020] Figure 2 FIG. 2 is a structural schematic view of the first gear box according to the present application.

[0021] Figure 3 FIG. 3 is an exploded structural schematic view of the first gear box and the plurality of first positioning plates in use according to the present application.

[0022] Figure 4 FIG. 4 is an exploded structural schematic view of the second gear box and the plurality of second positioning plates in use according to the present application.

[0023] REFERENCE SIGNS:

[0024] The first gear box 1

[0025] The first gear box 11

[0026] First assembly hole 111

[0027] Primary end face 112

[0028] First connecting hole 113

[0029] First oil passage hole 114

[0030] Secondary end face 115

[0031] First mounting hole 116

[0032] First drive shaft 12

[0033] First main drive gear 13

[0034] Primary positioning plate 2

[0035] First matching hole 21

[0036] Secondary gear box 3

[0037] Second gear box 31

[0038] Second assembly hole 311

[0039] Second drive shaft 32

[0040] Secondary positioning plate 4

[0041] Primary cover plate 5

[0042] Secondary cover plate 6

[0043] Primary test body 10

[0044] Primary driven gear 101

[0045] Secondary test body 20

[0046] Secondary driven gear 201 DETAILED DESCRIPTION

[0047] The following description of the examples is with reference to the drawings, which illustrate specific examples to which the present application can be practiced.

[0048] The embodiment discloses a test system, which comprises a multi-machine type step-by-step test fixing device of a split two-stage compressor. Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, the multi-type step-by-step testing fixture of the split two-stage compressor includes a first gear box 1 and a first positioning plate 2. The first gear box 1 includes a first driving shaft 12, a first driving gear 13 and a first gear box 11. One end of the first driving shaft 12 is rotatably connected to the first gear box 11, and the other end of the first driving shaft 12 extends outside the first gear box 11 and is used to be connected with a driving motor. The first driving gear 13 is located in the first gear box 11 and is sleeved on the first driving shaft 12. The first gear box 11 is provided with a first assembly hole 111. One side of the first positioning plate 2 is detachably connected to the first gear box 11, and the other side of the first positioning plate 2 is detachably connected to a first testing machine body 10, so that the first testing machine body 10 passes through the first assembly hole 111 and is engaged with the first driving gear 13.

[0049] The extended shaft end of the first driving shaft 12 is connected with the driving motor to the testing system. The first driving shaft 12 is rotated by the driving motor. The first driving gear 13 is fixed on the first driving shaft 12 and rotates synchronously with the first driving shaft 12. The first positioning plate 2 is installed on the first gear box 11. Then, the first testing machine body 10 to be tested is assembled on the first positioning plate 2. The first driven gear 101 on the first testing machine body 10 is engaged with the first driving gear 13. Thus, the first testing machine body 10 can be tested. Then, if other types of first testing machine bodies 10 need to be tested, the first testing machine body 10 can be removed. The first positioning plate 2 and the entire previous first testing machine body 10 can also be removed together. Other first positioning plates 2 and corresponding materials are installed to test the new type of first testing machine body 10. The first gear box 1 is detachably connected with the first positioning plate 2. The first gear box 1 is installed on the testing system as a fixture. Different types of first positioning plates 2 are installed to realize multi-type testing. The multi-type step-by-step testing fixture of the split two-stage compressor can test the performance of multiple types of single-stage machine bodies. It can greatly improve the efficiency and accuracy of subsequent two-stage machine bodies. At the same time, it can greatly reduce the difficulty of disassembly and save time. The multi-type applicable feature can effectively reduce the cost.

[0050] The multi-type step-by-step test fixing device of the split two-stage compressor includes a second-stage gear box 3 and a second-stage positioning plate 4. The second-stage gear box 3 includes a second driving shaft 32, a second main driving gear and a second gear box 31. One end of the second driving shaft 32 is rotatably connected to the second gear box 31, and the other end of the second driving shaft 32 extends outside the second gear box 31 and is used to be connected with a driving motor. The second main driving gear is located in the second gear box 31 and is sleeved on the second driving shaft 32. The second gear box 31 is provided with a second assembly hole 311. One side of the second-stage positioning plate 4 is detachably connected to the second gear box 31, and the other side of the second-stage positioning plate 4 is detachably connected to the second-stage test machine body 20, so that the second-stage test machine body 20 passes through the second assembly hole 311 and is meshed with the second main driving gear.

[0051] The extended shaft end of the second driving shaft 32 is connected with the driving motor to the test system. The second driving shaft 32 is rotated by the driving motor. The second main driving gear is fixed on the second driving shaft 32 and synchronously rotates with the second driving shaft 32. The second-stage positioning plate 4 is installed on the second gear box 31. Then, the second-stage test machine body 20 to be tested is assembled on the second-stage positioning plate 4. The second-stage driven gear 201 on the second-stage test machine body 20 is meshed with the second main driving gear. Thus, the second-stage test machine body 20 can be tested. Then, if other models of the second-stage test machine body 20 need to be tested, the second-stage test machine body 20 can be disassembled. The second-stage positioning plate 4 can be disassembled together with the entire previous second-stage test machine body 20. Other second-stage positioning plates 4 and corresponding materials are installed to test the new model of the second-stage test machine body 20. The second-stage test machine body 20 is tested in the same way as the first-stage test machine body 10. Thus, the entire first-stage gear box 1 and the second-stage gear box 3 do not need to be disassembled. Only the two-stage single machine body needs to be disassembled. This is more convenient and saves time. A set of fixing devices can test multiple single machine bodies. The subsequent single machine body can obtain individual data matching before testing the two-stage machine body. This can reduce the matching difficulty and reduce the cost.

[0052] As shown in Figure 1 , Figure 2 and Figure 3 , the first gear box 11 has a first end face 112 on the side facing the first-stage positioning plate 2. The first end face 112 surrounds the first assembly hole 111 and is attached to the side of the first-stage positioning plate 2. The first-stage positioning plate 2 is installed on the first end face 112 and is attached to the first end face 112. This achieves more stable and reliable connection, reduces the disassembly difficulty and saves time.

[0053] The first end surface 112 has a plurality of first connecting holes 113 arranged at intervals and surrounding the first assembly hole 111, and the first positioning plate 2 has a plurality of first matching holes 21 corresponding to the plurality of first connecting holes 113, and the first matching hole 21 is connected with the corresponding first connecting hole 113. The plurality of first connecting holes 113 of the first gear box 11 are connected with the plurality of first matching holes 21 of the first positioning plate 2, further realizing stable and reliable connection of the first positioning plate 2.

[0054] The multi-model step-by-step test fixing device of the split two-stage compressor further comprises a second cover plate 6, the first gear box 11 is provided with a first oil passage hole 114, and the second cover plate 6 is detachably connected to the side of the first gear box 11 and used for sealing and covering the first oil passage hole 114. The second cover plate 6 is connected to the first gear box 11 and used for sealing the first oil passage hole 114, effectively avoiding the oil in the first gear box 1 from splashing out through the centrifugal action of the gear during operation.

[0055] The side of the first gear box 11 facing the second cover plate 6 has a second end surface 115, the second end surface 115 has a plurality of first mounting holes 116 arranged at intervals and surrounding the first oil passage hole 114, and the second cover plate 6 is attached to the second end surface 115 and connected to the plurality of first mounting holes 116. The second cover plate 6 is installed on the second end surface 115, the second cover plate 6 is attached to and connected to the second end surface 115, realizing more stable and reliable connection, and reducing disassembly difficulty and saving time. At the same time, the second cover plate 6 is connected with the plurality of first mounting holes 116 on the first gear box 11, further realizing stable and reliable connection of the second cover plate 6.

[0056] The practical application end of the first gear box 1 is the first end surface 112 and the second end surface 115 respectively; the first end surface 112 and the second end surface 115 respectively have the surrounding first assembly hole 111 and the first oil passage hole 114 suitable for various models, it is worth noting that the first assembly hole 111 and the first oil passage hole 114 for assembly are fixed and do not change with the replacement of the test machine body; since the multi-model step-by-step test fixing device of the split two-stage compressor is fixed on the test system, the design of the first main drive gear 13 is unique, that is, the first main drive gear 13 is meshed with the first driven gear 101 of various test models, and only when the applicable model or motor is exceeded, the first gear box 1 needs to be replaced.

[0057] The application of the multi-type step-by-step test fixing device of the split two-stage compressor to the test of the first test body 10: the first gear box 1 is connected with the first positioning plate 2, the first test body 10 and the second cover plate 6, the main components in the first test body 10 are matched, that is, the first test body 10 and the first positioning plate 2 are replaced correspondingly; the first positioning plate 2 has the feature of being changed along with the assembly hole and the oil passage hole of the first test body 10, but the first positioning plate 2 is replaced by another first positioning plate 2, and the first connecting hole 113 on the first end surface 112 is always unchanged.

[0058] As shown in Figure 1 and Figure 4 , the second gear box 31 has a third end surface on the side facing the second positioning plate 4, the third end surface surrounds the second assembly hole 311, and the third end surface is attached to and connected to the side of the second positioning plate 4. The second positioning plate 4 is installed on the third end surface, the second positioning plate 4 is attached to and connected to the third end surface, the connection is more stable and reliable, and the disassembly and assembly difficulty is reduced and time is saved.

[0059] The third end surface has a plurality of second connecting holes, the plurality of second connecting holes are arranged at intervals and surround the second assembly hole 311, the second positioning plate 4 has a plurality of second matching holes, the plurality of second matching holes correspond one-to-one to the plurality of second connecting holes, and the second matching holes are connected to the corresponding second connecting holes. The plurality of second connecting holes of the second gear box 31 are connected to the plurality of second matching holes on the second positioning plate 4, further realizing stable and reliable connection of the second positioning plate 4.

[0060] The multi-type step-by-step test fixing device of the split two-stage compressor further comprises a first cover plate 5, the second gear box 31 is provided with a second oil passage hole, and the first cover plate 5 is detachably connected to the side of the second gear box 31 and used for sealing and covering the second oil passage hole. The first cover plate 5 is connected to the second gear box 31 and used for sealing the second oil passage hole, effectively preventing the oil in the second gear box 31 from splashing out through the centrifugal force of the gear during operation.

[0061] The second gear box 31 has a fourth end surface on the side facing the first cover plate 5, the fourth end surface has a plurality of second mounting holes, the plurality of second mounting holes are arranged at intervals and surround the second oil passage hole, and the first cover plate 5 is attached to the fourth end surface and connected to the plurality of second mounting holes. The first cover plate 5 is installed on the fourth end surface, the first cover plate 5 is attached to and connected to the fourth end surface, the connection is more stable and reliable, and the disassembly and assembly difficulty is reduced and time is saved. At the same time, the first cover plate 5 is connected to the plurality of second mounting holes on the second gear box 31, further realizing stable and reliable connection of the first cover plate 5.

[0062] The application of the multi-type step-by-step testing fixing device of the split two-stage compressor to the second testing body 20: the second gear box body 3 is connected with the second positioning plate 4, the second testing body 20 and the first cover plate 5, the main components in the second testing body 20 are matched, that is, the second testing body 20 is replaced and the second positioning plate 4 is replaced correspondingly; the second positioning plate 4 has the feature of being changed with the assembly hole and the oil passage hole of the second testing body 20, but the second positioning plate 4 is replaced by another second positioning plate 4, and the second positioning plate 4 and the second connecting hole on the third end surface are always unchanged.

[0063] The multi-type step-by-step testing fixing device of the split two-stage compressor of the embodiment increases a positioning plate at the joint of the gear box body and each single-stage body, the gear box body is installed on the testing system as the fixing device, and the first stage and the second stage are matched with the positioning plate of different bodies to realize the multi-type testing. Firstly, the performance of multiple single-stage bodies can be tested through one fixing device, which greatly improves the efficiency and accuracy when the two-stage body is matched subsequently; secondly, the difficulty of disassembly and assembly is greatly reduced and the time is saved, and the characteristics of the multi-type application can effectively reduce the cost.

[0064] The above only discloses the preferred embodiment of the utility model, of course, cannot limit the right scope of the utility model by this, therefore, the equivalent changes made according to the utility model claim still belong to the range covered by the utility model.

Claims

1. A multi-type step-by-step test fixture for split two-stage compressors, characterized by, It includes a primary gear box, a primary positioning plate, a secondary gear box and a secondary positioning plate, the primary gear box includes a first drive shaft, a first main drive gear and a first gear box, one end of the first drive shaft is rotatably connected in the first gear box, the other end of the first drive shaft extends outside the first gear box and is used for connecting with the driving motor, the first main drive gear is located in the first gear box and is sleeved on the first drive shaft, the first gear box is provided with a first assembly hole, one side of the primary positioning plate is detachably connected to the first gear box, the other side of the primary positioning plate is detachably connected to the primary test machine body, so that the primary test machine body passes through the first assembly hole and is engaged with the first main drive gear. The secondary gear box includes a second drive shaft, a second main drive gear and a second gear box, one end of the second drive shaft is rotatably connected in the second gear box, the other end of the second drive shaft extends outside the second gear box and is used for connecting with the driving motor, the second main drive gear is located in the second gear box and is sleeved on the second drive shaft, the second gear box is provided with a second assembly hole, one side of the secondary positioning plate is detachably connected to the second gear box, the other side of the secondary positioning plate is detachably connected to the secondary test machine body, so that the secondary test machine body passes through the second assembly hole and is engaged with the second main drive gear.

2. The multi-type step-by-step test fixture for split two-stage compressors of claim 1, wherein, The first gear box has a primary end face towards the primary positioning plate, the primary end face surrounds the first assembly hole, and the primary end face is attached to and connected to the side of the primary positioning plate.

3. The multi-type step-by-step test fixture for split two-stage compressors of claim 2, wherein, The primary end face has a plurality of first connecting holes, the plurality of first connecting holes are arranged at intervals and surround the first assembly hole, the primary positioning plate has a plurality of first matching holes, the plurality of first matching holes correspond to the plurality of first connecting holes one by one, and the first matching holes are connected to the corresponding first connecting holes.

4. The multi-type step-by-step test fixture for split two-stage compressors of claim 1, wherein, The multi-model step-by-step test fixing device of the split two-stage compressor further includes a secondary cover plate, the first gear box is provided with a first oil passage hole, and the secondary cover plate is detachably connected to the side of the first gear box and used for sealing and covering the first oil passage hole.

5. The multi-type step-by-step test fixture for split two-stage compressors of claim 4, wherein, The first gear box has a secondary end face towards the secondary cover plate, the secondary end face has a plurality of first mounting holes, the plurality of first mounting holes are arranged at intervals and surround the first oil passage hole, and the secondary cover plate is attached to the secondary end face and connected to the plurality of first mounting holes.

6. The multi-type step-by-step test fixture for split two-stage compressors of claim 1, wherein, The second gear box has a tertiary end face towards the secondary positioning plate, the tertiary end face surrounds the second assembly hole, and the tertiary end face is attached to and connected to the side of the secondary positioning plate.

7. The multi-type step-by-step test fixture for split two-stage compressors of claim 6, wherein, The third end face has a plurality of second connecting holes, the second connecting holes are arranged at intervals and surround the second assembly hole, the second positioning plate has a plurality of second matching holes, the second matching holes correspond to the second connecting holes one by one, and the second matching holes are connected with the corresponding second connecting holes.

8. The multi-type step-by-step test fixture for split two-stage compressors of claim 1, wherein, The multi-model step-by-step test fixing device of the split two-stage compressor further comprises a first cover plate, the second gear box is provided with a second oil passage hole, and the first cover plate is detachably connected to the side of the second gear box and used for sealing and covering the second oil passage hole.

9. The multi-type step-by-step test fixture for split two-stage compressors of claim 8, wherein, The side of the second gear box towards the first cover plate has a fourth end face, the fourth end face has a plurality of second mounting holes, the second mounting holes are arranged at intervals and surround the second oil passage hole, and the first cover plate is attached to the fourth end face and connected to the second mounting holes.

10. A test system, characterized by The multi-model step-by-step test fixing device of the split two-stage compressor comprises the first cover plate.

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