Oil tightness function testing machine

Abstract

The present invention relates to the technical field related to oil pump detection, and discloses an oil tightness function detection machine, including a detection carrying plate, a lifting and carrying mechanism is arranged on the side of the detection carrying plate, a function fixing plate is fixedly arranged on the front side of the detection carrying plate, a cylinder assembly is installed on the upper side of the function fixing plate, an oil pump fixing top plate is lifted and slidably arranged on the lower side of the function fixing plate, the oil pump fixing top plate is provided with a central through hole, and a fixed end block is fixedly installed on the lower side of the central through hole; an oil tightness function detection machine of the present invention has a linkage mechanism, in the oil pump oil tightness detection link, the air outlet is fixed to the linkage mechanism of the cylinder by tooling, and the oil pump does not need to be fixed by a quick-insert interface, and the air pipes for ventilation and pressurization at four places on the oil pump are aggregated on the same air pressure detection gauge; it is sealed during pressurization, and the oil pump is monitored for leakage by the air pressure monitoring gauge, thereby removing the manual judgment mechanism and improving the inspection reliability.

Description

Technical Field

[0001] The present invention relates to the technical field related to oil pump detection, and in particular to an oil tightness function detection machine. Background Art

[0002] In the research and development and production of oil pumps, after the pump is assembled, it will be tested for oil tightness on the test line to check whether there is any leakage in the oil pump. At present, the common method for testing the sealing performance of oil pumps in the industry is to inject air into the oil pump, immerse it in the calibration oil, and see if there are any bubbles leaking from the oil surface. In this way, it is determined whether the oil pump has a leak. In the actual production process, the oil pump is divided into two states, one is a qualified product and the other is an unqualified product. Only unqualified products need to be tested for leaks. The current method adopted in the industry is to conduct leak detection on products in both states, which is time-consuming and labor-intensive. At the same time, when the oil pump sinks through mechanical action, some tiny bubbles will appear on the oil surface itself, and it is difficult for workers to distinguish whether the source of the bubbles is from oil pump leakage. Summary of the invention

[0003] The object of the present invention is to provide an oil-tight function testing machine to overcome the above-mentioned defects in the prior art.

[0004] The present invention is achieved through the following technical solutions.

[0005] An oil tightness function detection machine of the present invention comprises a detection mounting plate, a lifting and mounting mechanism is arranged on the side of the detection mounting plate, a function fixing plate is fixedly arranged on the front side of the detection mounting plate, a cylinder assembly is installed on the upper side of the function fixing plate, an oil pump fixing top plate is lifted and slidably arranged on the lower side of the function fixing plate, the oil pump fixing top plate is provided with a central through hole, a fixed end block is fixedly installed on the lower side of the central through hole, a bottom plate is fixedly installed on the bottom of the function fixing plate through four receiving and fixing rod groups, an oil pump mounting plate is arranged on the upper side of the bottom plate, two supporting top columns are symmetrically arranged on the top of the oil pump mounting plate, and the top of the oil pump mounting plate cooperates with the oil pump fixing top plate and the fixed end block through the supporting top columns to jointly The oil pump is fixed in the vertical direction, and a linkage docking mechanism is fixedly installed in the side array of the oil pump mounting plate. The linkage docking mechanism includes a linkage telescopic rod, and a mounting end plate is fixedly installed at the end of the linkage telescopic rod, and an air hole docking mechanism is fixedly installed on the mounting end plate. The air hole docking mechanism includes a docking end plate, and the docking end plate is provided with an embedded docking groove, and a docking air hole is provided at the center of the embedded docking groove. The docking end plate is provided with a duct connecting port, and the duct connecting port is connected with the docking air hole. An air pressure detection gauge is provided on the upper side of the functional fixed plate, and the air pressure detection gauge is provided with a collecting end pipe. The air pressure detection gauge is connected with the duct connecting port in each of the linkage docking mechanisms through a duct through the collecting end pipe.

[0006] A further technical solution is that the cylinder assembly includes a pneumatic telescopic rod, which is fixedly installed on the upper side of the functional fixed plate. The end of the pneumatic telescopic rod passes through the central through hole of the oil pump fixed top plate and is fixedly connected to the fixed end block. A fixing ring portion is provided on the upper surface of the oil pump fixed top plate, and a nut on the upper side of the fixing ring portion is fixed to the end rod body of the pneumatic telescopic rod.

[0007] According to a further technical solution, two lifting slide cylinders are symmetrically fixedly installed on the upper side of the oil pump fixed top plate, and the ends of the lifting slide cylinders are fixedly connected to the bottom surface of the functional fixed plate.

[0008] According to a further technical solution, the linkage docking mechanism also includes a side fixing frame plate, a bottom of which is provided with an embedded clamping portion, and the side fixing frame plate is fixedly installed on the side of the oil pump mounting plate through the embedded clamping portion and the bolt hole structure.

[0009] According to a further technical solution, a fixed sub-plate is fixedly installed on the front side of the detection mounting plate, the fixed sub-plate is fixedly connected to the functional fixed plate through four fixed rod groups, and the inner wall of the functional fixed plate is fixedly installed to the detection mounting plate.

[0010] According to a further technical solution, a through groove is provided on the top of the fixed sub-plate for piping, and the air pressure detection gauge is fixedly mounted on the outer wall of one of the fixed rod groups.

[0011] According to a further technical solution, a top plate is fixedly installed on the top of the detection mounting plate, a top guard plate is fixedly installed on the top of the top plate, a tube binding mechanism is arranged inside the top guard plate, and a tube running groove is arranged at the center of the top plate and connected to the tube binding mechanism.

[0012] According to a further technical solution, the lifting and carrying mechanism comprises a lifting electric guide rail, the outer wall of which is fixedly arranged on the outer wall of the detection platform, and the lifting electric guide rail fixes the side of the detection and carrying plate through an inner sliding end plate to drive it to move up and down.

[0013] According to a further technical solution, the bottom of the oil pump mounting plate is fixed to the top of the base plate by four sets of mounting support rods, and both the oil pump mounting plate and the base plate are provided with a through groove structure, so as to reduce resistance when the whole moves downward into the detection oil tank.

[0014] Beneficial effects of the present invention:

[0015] The oil tightness function testing machine of the present invention has a linkage mechanism. In the oil tightness testing link of the oil pump, the air outlet is fixed to the linkage mechanism of the cylinder through the tooling, and the oil pump does not need to be fixed through the quick-plug interface.

[0016] The oil tightness function testing machine of the present invention has an integrated air pressure testing structure, which integrates the air pipes for ventilation and pressurization at four places on the oil pump on the same air pressure testing meter; it is sealed during pressurization, and the oil pump is monitored for leakage through the air pressure monitoring meter, thereby removing the manual judgment mechanism and improving the reliability of the test;

[0017] An oil tightness function detection machine of the present invention combines a pressure drop method and a leakage point detection device on one device. The pressure drop method is first used to detect whether the oil pump has a leak. If there is no leak, the oil pump flows normally. If there is a leak, the oil pump automatically immerses itself in the calibration oil to facilitate finding the location of the leak, thereby ensuring detection accuracy and improving detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 yes Figure 1 A schematic diagram of the structure of the middle linkage docking mechanism 25;

[0022] Figure 3 yes Figure 1 A schematic structural diagram of the central air hole docking mechanism 35; DETAILED DESCRIPTION

[0023] Combine the following Figure 1-3 The present invention is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front, and back directions mentioned below are the same as Figure 1 The up-down, left-right, front-back directions of the projection relationship itself are consistent.

[0024] Combined with Figure 1-3The oil tightness function detection machine comprises a detection mounting plate 11, a lifting and mounting mechanism is arranged on the side of the detection mounting plate 11, a function fixing plate 19 is fixedly arranged on the front side of the detection mounting plate 11, a cylinder assembly is installed on the upper side of the function fixing plate 19, an oil pump fixing top plate 24 is lifted and slidably arranged on the lower side of the function fixing plate 19, the oil pump fixing top plate 24 is provided with a central through hole, a fixed end block 26 is fixedly installed on the lower side of the central through hole, a bottom plate 21 is fixedly installed on the bottom of the function fixing plate 19 through four receiving and fixing rod groups 20, an oil pump mounting plate 22 is arranged on the upper side of the bottom plate 21, two supporting top columns 45 are symmetrically arranged on the top of the oil pump mounting plate 22, and the top of the oil pump mounting plate 22 cooperates with the oil pump fixing top plate 24 and the fixed end block 26 in the vertical direction through the supporting top columns 45 Towards the fixed oil pump 27, a linkage docking mechanism 25 is fixedly installed in an array on the side of the oil pump mounting plate 22. The linkage docking mechanism 25 includes a linkage telescopic rod 33. A mounting end plate 34 is fixedly installed at the end of the linkage telescopic rod 33. A pore docking mechanism 35 is fixedly installed on the mounting end plate 34. The pore docking mechanism 35 includes a docking end plate 36. The docking end plate 36 is provided with an embedded docking groove 37. A docking pore 38 is provided at the center of the embedded docking groove 37. The docking end plate 36 is provided with a conduit connecting port 42, which is connected to the docking pore 38. An air pressure detection gauge 30 is provided on the upper side of the functional fixed plate 19. The air pressure detection gauge 30 is provided with a collecting end pipe. The air pressure detection gauge 30 is connected to the conduit connecting port 42 in each linkage docking mechanism 25 through the collecting end pipe.

[0025] Preferably, the cylinder assembly includes a pneumatic telescopic rod 41, which is fixedly installed on the upper side of the functional fixed plate 19, and the end of the pneumatic telescopic rod 41 passes through the central through hole of the oil pump fixed top plate 24 and is fixedly connected to the fixed end block 26. A fixing ring portion 28 is provided on the upper surface of the oil pump fixed top plate 24, and a nut on the upper side of the fixing ring portion 28 is fixed to the end rod body of the pneumatic telescopic rod 41.

[0026] Preferably, two lifting slide cylinders 50 are symmetrically fixedly installed on the upper side of the oil pump fixed top plate 24 , and the ends of the lifting slide cylinders 50 are fixedly connected to the bottom surface of the functional fixed plate 19 .

[0027] Preferably, the linkage docking mechanism 25 further comprises a side fixing frame plate 31 , the bottom of which is provided with an embedded clamping portion 32 , and the side fixing frame plate 31 is fixedly mounted on the side of the oil pump mounting plate 22 by means of the embedded clamping portion 32 and the bolt screw hole structure.

[0028] Preferably, a fixed sub-plate 17 is fixedly installed on the front side of the detection mounting plate 11 , and the fixed sub-plate 17 is fixedly connected to the functional fixing plate 19 through four fixing rod groups 18 , and the inner wall of the functional fixing plate 19 is fixedly installed with the detection mounting plate 11 .

[0029] Preferably, a through groove is provided on the top of the fixed sub-plate 17 for piping, and the air pressure detection gauge 30 is fixedly installed on the outer wall of one of the fixed rod groups 18 .

[0030] Preferably, a top plate 13 is fixedly installed on the top of the detection mounting plate 11, a top guard plate 14 is fixedly installed on the top of the top plate 13, a tube binding mechanism 15 is arranged inside the top guard plate 14, and a tube running groove is arranged at the center of the top plate 13 to communicate with the tube binding mechanism 15.

[0031] Preferably, the lifting and loading mechanism includes a lifting electric guide rail 12, the outer wall of which is fixedly arranged on the outer wall of the detection platform, and the lifting electric guide rail 12 fixes the side of the detection and loading plate 11 through the inner sliding end plate to drive it to move up and down.

[0032] Preferably, the bottom of the oil pump mounting plate 22 is supported and fixed to the top of the base plate 21 by four sets of mounting support rods 23, and both the oil pump mounting plate 22 and the base plate 21 are provided with a through groove structure, so as to reduce resistance when the whole moves downward into the detection oil tank.

[0033] Specific use of the present invention:

[0034] Through the tooling, the bottom of the oil pump is supported and fixed by the supporting top column 45, and at the same time, the top pushes the oil pump fixed top plate 24 downward through the pneumatic telescopic rod 41, so that the fixed end block 26 is docked and fixed with the top of the oil pump, and the side is started by the linkage telescopic rod 33 to push the installation end plate 34 to move toward the oil pump outlet end, and the air hole end surface enters the embedded docking groove 37 and is embedded and sealed, which plays a fixing effect and communicates with the docking air hole 38, thereby realizing the air outlet being fixed on the linkage mechanism of the cylinder, and no longer needs to be fixed to the oil pump through the quick-plug interface;

[0035] During the test, one end of the air pressure conduit for ventilation and pressurization on the oil pump is connected to the corresponding conduit connecting port 42 in the present invention, and one end of the four air pressure conduits is connected to the air pressure detection gauge 30; when pressurized, it is sealed, and the oil pump is monitored for leakage through the air pressure detection gauge 30;

[0036] If the monitored air pressure is stable, the oil pump is qualified; if the monitored air pressure drops, it is determined that the oil pump is oil-tight and unqualified. The oil pump is automatically started by lifting the electric guide rail 12, driving the entire device to sink into the detection oil tank below the equipment to check for leakage points through oil immersion.

[0037] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology in this field to understand the content of the present invention and implement it, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. An oil tightness function testing machine, comprising a testing mounting plate, characterized in that: The detection mounting plate is provided with a lifting and mounting mechanism on the side, a functional fixing plate is fixedly provided on the front side of the detection mounting plate, a cylinder assembly is installed on the upper side of the functional fixing plate, an oil pump fixing top plate is provided on the lower side of the functional fixing plate for lifting and sliding, the oil pump fixing top plate is provided with a central through hole, a fixed end block is fixedly installed on the lower side of the central through hole, a bottom plate is fixedly installed on the bottom of the functional fixing plate through four receiving and fixing rod groups, an oil pump mounting plate is provided on the upper side of the bottom plate, two supporting top columns are symmetrically provided on the top of the oil pump mounting plate, the top of the oil pump mounting plate cooperates with the oil pump fixing top plate and the fixed end block to fix the oil pump in the vertical direction through the supporting top column, the A linkage docking mechanism is fixedly installed in an array on the side of the oil pump mounting plate, and the linkage docking mechanism includes a linkage telescopic rod, and a mounting end plate is fixedly installed at the end of the linkage telescopic rod, and an air hole docking mechanism is fixedly installed on the mounting end plate, and the air hole docking mechanism includes a docking end plate, and the docking end plate is provided with an embedded docking groove, and a docking air hole is provided at the center of the embedded docking groove, and the docking end plate is provided with a conduit communication port, and the conduit communication port is communicated with the docking air hole, and an air pressure detection gauge is provided on the upper side of the functional fixed plate, and the air pressure detection gauge is provided with a collection end pipe, and the air pressure detection gauge is connected with the conduit communication port in each linkage docking mechanism through a conduit through the collection end pipe; The linkage docking mechanism also includes a side fixing frame plate, the bottom of the side fixing frame plate is provided with an embedded clamping portion, and the side fixing frame plate is fixedly installed on the side of the oil pump mounting plate through the embedded clamping portion and the bolt screw hole structure; A fixed sub-plate is fixedly installed on the front side of the detection mounting plate, and the fixed sub-plate is fixedly connected to the functional fixed plate through four fixing rod groups, and the inner wall of the functional fixed plate is fixedly installed with the detection mounting plate; The top of the fixed sub-plate is provided with a through slot for pipe routing, and the air pressure detection gauge is fixedly installed on the outer wall of one of the fixed rod groups; A top plate is fixedly installed on the top of the detection and mounting plate, a top guard plate is fixedly installed on the top of the top plate, a tube binding mechanism is arranged inside the top guard plate, and a tube running groove is arranged at the center of the top plate to communicate with the tube binding mechanism; The lifting and loading mechanism includes a lifting electric guide rail, the outer wall of which is fixedly arranged on the outer wall of the detection platform, and the lifting electric guide rail fixes the side of the detection and loading plate through the inner sliding end plate to drive it to move up and down; The bottom of the oil pump mounting plate is supported and fixed to the top of the base plate by four groups of mounting support rods. Both the oil pump mounting plate and the base plate are provided with through groove structures, so as to reduce resistance when the whole moves downward into the detection oil tank.

2. The oil tightness function testing machine according to claim 1, characterized in that: The cylinder assembly includes a pneumatic telescopic rod, which is fixedly installed on the upper side of the functional fixed plate. The end of the pneumatic telescopic rod passes through the central through hole of the oil pump fixed top plate and is fixedly connected to the fixed end block. A fixing ring is provided on the upper surface of the oil pump fixed top plate. The upper side of the fixing ring is fixed to the rod body of the end of the pneumatic telescopic rod with a nut.

3. The oil tightness function testing machine according to claim 1, characterized in that: Two lifting slide cylinders are symmetrically fixedly installed on the upper side of the oil pump fixed top plate, and the ends of the lifting slide cylinders are fixedly connected to the bottom surface of the functional fixed plate.

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