CN217558537U - Gear oil pump gas test mechanism - Google Patents
Gear oil pump gas test mechanism Download PDFInfo
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- CN217558537U CN217558537U CN202220684272.8U CN202220684272U CN217558537U CN 217558537 U CN217558537 U CN 217558537U CN 202220684272 U CN202220684272 U CN 202220684272U CN 217558537 U CN217558537 U CN 217558537U
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Abstract
The utility model discloses a gear oil pump gas test mechanism, including bottom plate and workstation, the bottom plate is fixed on the workstation, be equipped with locating component on the holding surface of bottom plate, hold-down mechanism, shutoff mechanism, gas transmission component, torque detection mechanism, pressure detection component and control switch, locating component is used for the location work piece, hold-down component is used for compressing tightly the work piece, shutoff mechanism is used for the inlet port of shutoff work piece, oil outlet and draining hole, gas transmission component is used for carrying high-pressure air to the oil inlet of work piece in, torque detection mechanism is used for driving work piece inner rotor and gathering the work piece torque value, pressure detection component is used for gathering the pressure value of work piece inlet end and oil outlet; the oil pump is tested in an air pressure mode, and compared with the traditional oil liquid test, the oil pump is more energy-saving and environment-friendly; the automatic feeding device is simple in structure, low in manufacturing cost and high in automation degree, and improves working efficiency.
Description
Technical Field
The utility model belongs to engine oil pump test mechanism field, especially a gear oil pump gas test mechanism.
Background
At present, oil liquid test beds are mostly adopted in factory performance tests of oil pumps of domestic commercial vehicles, large cost needs to be invested, the time needed by an oil liquid test mode is long, waste oil generated after the tests needs professional treatment, and the oil liquid test bed is not energy-saving and environment-friendly. The test requirement of oil pump product can't be satisfied to the platform is tested to current vapour-pressure type, considers to design a gear oil pump gas test mechanism, satisfies this product test requirement.
Disclosure of Invention
The utility model provides a gear oil pump gas test mechanism, the purpose is in order to realize that the oil pump can adopt the atmospheric pressure mode experimental.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a gear oil pump gas examination test mechanism, includes bottom plate and workstation, and the bottom plate is fixed on the workstation, its characterized in that: be equipped with locating component on the holding surface of bottom plate, hold-down mechanism, plugging mechanism, gas transmission component, torque detection mechanism, pressure detection component and control switch, locating component is used for the location work piece, hold-down component is used for compressing tightly the work piece, plugging mechanism is used for the inlet port of shutoff work piece, oil outlet and draining hole, gas transmission component is used for carrying high-pressure air to the oil feed end of work piece in, torque detection mechanism is used for driving work piece inner rotor and gathers the work piece torque value, pressure detection component is used for gathering the pressure value of work piece inlet port and oil outlet end, locating component, hold-down mechanism, plugging mechanism, gas transmission component, torque detection mechanism, pressure detection component passes through control switch and starts.
The technical scheme is further limited, the positioning assembly is composed of a plurality of positioning pins, and the positioning pins are matched with the process holes in the workpiece in a positioning mode.
The technical scheme is further limited, and the pressing mechanism consists of a plurality of sets of pneumatic clamps.
The technical scheme is further limited, and the blocking mechanism consists of an oil inlet blocking mechanism, an oil outlet blocking mechanism and an oil drainage hole blocking mechanism; the oil inlet plugging mechanism is composed of an oil inlet cylinder, an oil inlet plug and an oil inlet sealing gasket, the oil inlet cylinder is fixed on the bottom plate through the base body, a piston rod in the oil inlet cylinder is used for driving the oil inlet plug, the oil inlet sealing gasket is fixed on the oil inlet plug, and the oil inlet sealing gasket is attached to the end face of an oil inlet of a workpiece; the oil outlet plugging mechanism is composed of an oil outlet cylinder, an oil outlet plug and an oil outlet sealing gasket, the oil outlet cylinder is fixed on the workbench through a base body, a piston rod in the oil outlet cylinder is used for driving the oil outlet plug, the oil outlet plug is in a frustum shape, an annular clamping groove is formed in the small-diameter end of the oil outlet plug, the annular oil outlet sealing gasket is limited on the annular clamping groove, and the oil outlet plug is connected with the oil outlet end of a workpiece; the oil drainage hole plugging mechanism is the same as the oil inlet plugging mechanism.
The technical scheme is further limited, the gas transmission assembly comprises a first pipe joint, a second pipe joint, a pipe body and a quick connection mechanism, the first pipe joint is inserted into a gas transmission hole in the base plate, the second pipe joint is inserted into a gas transmission hole in the oil inlet plug, a gas transmission channel in the oil inlet plug is communicated with an inner cavity of a workpiece, the first pipe joint is connected with the second pipe joint through the pipe body, the quick connection mechanism is fixed on the workbench, and the quick connection mechanism is used for communicating the first pipe joint with a gas source.
The technical scheme is further limited, the quick connection mechanism is composed of a quick connection air cylinder, a quick connection plug and a quick connection sealing ring, the quick connection air cylinder is fixed on the workbench through a base body, a piston rod of the quick connection air cylinder is used for driving the quick connection plug, an annular clamping groove is formed in the plugging surface of the quick connection plug, the annular quick connection sealing ring is limited on the annular clamping groove, the bottom plate is communicated with the through hole in the workbench, the quick connection plug penetrates out of the through hole in the workbench to plug the air transmission hole in the bottom plate and is used for being connected with the first pipe connector, and the air transmission channel in the quick connection plug is communicated with the air transmission hole.
The technical scheme is further limited, and the torque detection mechanism comprises a connecting seat, a driving air cylinder, a guide rail, a motor seat, a transmission shaft, a torque sensor, a driving motor and a floating spline shaft; the connecting seat is fixed on the workstation, it fixes on the connecting seat to drive actuating cylinder and guide rail, motor cabinet and guide rail sliding connection, it is used for driving the motor cabinet to drive actuating cylinder, the transmission shaft passes through the seated bearing to be fixed on the motor cabinet, torque sensor fixes on the transmission shaft, driving motor on the motor cabinet is connected with the one end of transmission shaft, floating integral key shaft is connected with the transmission shaft other end, floating integral key shaft can be connected with the internal spline on the work piece after wearing out from the through hole department on bottom plate and the workstation.
Further inject above-mentioned technical scheme, floating integral key shaft includes spacing slide, pressure spring, integral key shaft, and the transmission shaft is the step, and spacing slide transmission shaft adopts spline structural connection, and the pressure spring passes through spacing slide spacing on the transmission shaft, the one end and the spacing slide fixed connection of integral key shaft, and the integral key shaft is hollow structure, and integral key shaft and transmission shaft are sliding fit.
The technical scheme is further defined, the pressure detection assembly comprises an oil inlet pressure sensor and an oil outlet pressure sensor, the oil inlet pressure sensor is fixed on the quick-connection plug, and the oil outlet pressure sensor is fixed on the oil outlet plug.
Has the advantages that: 1) The utility model adopts the air pressure mode to test the oil pump, and is more energy-saving and environment-friendly compared with the traditional oil liquid test; 2) The torque detection mechanism and the pressure detection assembly can improve the accuracy of the test; 3) The utility model discloses simple structure, the cost of manufacture is low, and degree of automation is high, has improved work efficiency, and the commonality is strong.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the middle positioning assembly of the present invention.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a schematic view from B-B in fig. 4.
Fig. 6 isbase:Sub>A schematic view of directionbase:Sub>A-base:Sub>A in fig. 4.
Fig. 7 is a schematic view along line C-C in fig. 3.
Detailed Description
As shown in fig. 1, the gear oil pump gas test mechanism comprises a bottom plate 1 and a workbench 2, wherein the bottom plate is fixed on the workbench through bolts; the detachable connection mode is adopted, so that the bottom plate and the workbench can be separated, the position of the assembly and the mechanism on the bottom plate can be adjusted conveniently, workpieces of another specification can be tested, and the universality is realized; a positioning component 3, a pressing mechanism 4, a plugging mechanism 5, a gas transmission component 6, a torque detection mechanism 7, a pressure detection component 8 and a control switch 9 are arranged on a supporting surface of the bottom plate, the positioning component is used for positioning a workpiece, the pressing component is used for pressing the workpiece, the plugging mechanism is used for plugging an oil inlet hole, an oil outlet hole and an oil drain hole of the workpiece, the oil drain hole is used for spraying oil liquid to the interior of the engine, the gas transmission component is used for conveying high-pressure air into an oil inlet end of the workpiece, the torque detection mechanism is used for driving an inner rotor of the workpiece and collecting a torque value of the workpiece, the pressure detection component is used for collecting pressure values of the oil inlet end and the oil outlet end of the workpiece, and the positioning component, the pressing mechanism, the plugging mechanism, the gas transmission component, the torque detection mechanism and the pressure detection component are started through a control switch;
as shown in fig. 2, the positioning assembly 3 is composed of a plurality of positioning pins, and the positioning pins are in positioning fit with the process holes on the workpiece; the structure is simple, the processing and the manufacturing are convenient, the cost is low, and the universality is good;
as shown in fig. 1 and 2, the pressing mechanism 4 is composed of a plurality of sets of pneumatic clamps; the device mainly comprises a power output part (guide cylinder), an operation form conversion part (clamp) and an air inlet and exhaust path part, and belongs to a conventional technical means in the field of tool checking tools; the pneumatic clamp is adopted to realize automatic compaction, so that the working efficiency is improved, and the test accuracy is ensured;
as shown in fig. 3, 4 and 5, the blocking mechanism 5 is composed of an oil inlet blocking mechanism 51, an oil outlet blocking mechanism 52 and an oil drain hole blocking mechanism 53;
as shown in fig. 3, fig. 4 and fig. 5, the oil inlet plugging mechanism 51 is composed of an oil inlet cylinder 511, an oil inlet cylinder as a guiding cylinder, an oil inlet plug 512 and an oil inlet sealing pad 513, the oil inlet cylinder is fixed on the bottom plate through a seat body, a piston rod in the oil inlet cylinder is used for driving the oil inlet plug, the oil inlet sealing pad is fixed on the oil inlet plug, and the oil inlet sealing pad is attached to the end face of the oil inlet of the workpiece; the automatic sealing is realized in a pneumatic mode, the working efficiency is improved, the test accuracy is ensured, and the universality is good;
as shown in fig. 3, 4 and 5, the oil outlet plugging mechanism 52 is composed of an oil outlet cylinder 521, an oil outlet plug 522 and an oil outlet gasket 523, the oil outlet cylinder is a guide cylinder, the oil outlet cylinder is fixed on the workbench through a base body, a piston rod in the oil outlet cylinder is used for driving the oil outlet plug, the oil outlet plug is in a frustum shape, an annular clamping groove is arranged at the small-diameter end of the oil outlet plug, the annular oil outlet gasket is limited on the annular clamping groove, the oil outlet plug is inserted into the gas transmission channel 11 of the base plate 1, and the oil outlet plug is communicated with the workpiece through the gas transmission channel of the base plate because the oil outlet end of the workpiece is attached to the base; the structure has the advantages that: the automatic sealing is realized in a pneumatic mode, the working efficiency is improved, and the test accuracy is ensured; the oil outlet plug is in a frustum shape, so that the universality is realized;
as shown in fig. 3, 4 and 5, the oil drain hole blocking mechanism 53 is the same as the oil inlet blocking mechanism 51, only the shape of the sealing gasket is different, and the sealing gasket for blocking the oil drain hole is matched with the position of the oil drain hole on the workpiece; as shown in fig. 4, the structure of the oil drainage hole 111 on the workpiece 11;
as shown in fig. 6, the gas transmission assembly 6 is composed of a first pipe joint 61, a second pipe joint 62, a pipe body 63 and a quick connection mechanism 64, wherein the first pipe joint is inserted into a gas transmission hole on the base plate, the second pipe joint is inserted into a gas transmission hole on the oil inlet plug, a gas transmission channel in the oil inlet plug is communicated with an inner cavity of a workpiece, the first pipe joint is connected with the second pipe joint through the pipe body, the quick connection mechanism is fixed on the workbench, and the quick connection mechanism is used for communicating the first pipe joint with a gas source; the structure is simple, the connection is convenient, and the universal type is good; the quick connection mechanism is arranged on the workbench to achieve universality, and does not need to be adjusted when a workpiece of another specification needs to be tested;
as shown in fig. 6, the quick connection mechanism 64 is composed of a quick connection cylinder, a quick connection plug and a quick connection sealing ring, the quick connection cylinder is fixed on the workbench through a base body, a piston rod of the quick connection cylinder is used for driving the quick connection plug, an annular clamping groove is arranged on a plugging surface of the quick connection plug, an annular quick connection sealing gasket is limited on the annular clamping groove, a bottom plate is communicated with a through hole on the workbench, the quick connection plug penetrates out of the through hole on the workbench and then plugs an air transmission hole on the bottom plate for connecting a first pipe joint, and an air transmission channel in the quick connection plug is communicated with the air transmission hole; the automatic butt joint is realized in a pneumatic mode, the working efficiency is improved, the test accuracy is ensured, and the universality is good;
as shown in fig. 3 and 4, the torque detection mechanism 7 includes a connection base 71, a driving cylinder 72, a guide rail 73, a motor base 74, a transmission shaft 75, a torque sensor 76, a driving motor 77, and a floating spline shaft 78; the connecting seat is fixed on the workbench, the driving air cylinder and the guide rail are fixed on the connecting seat, the motor base is in sliding connection with the guide rail, the driving air cylinder is used for driving the motor base, the transmission shaft is fixed on the motor base through a bearing 79 with a seat, the torque sensor is fixed on the transmission shaft, the driving motor on the motor base is connected with one end of the transmission shaft, the floating spline shaft is connected with the other end of the transmission shaft, and the floating spline shaft can be connected with an internal spline on a workpiece after penetrating out of the through holes on the bottom plate and the workbench; in the automatic connection process of the transmission part, the floating spline shaft realizes automatic alignment of the meshing position, the positioning precision and the sealing property of a workpiece on a tool are not influenced, the working efficiency is improved, and the universality is realized;
as shown in fig. 3, the connection structure of the driving cylinder and the driving motor base: the connecting seat is provided with a through groove, the driving cylinder is positioned on one side of the connecting seat, the motor base is positioned on the other side of the connecting seat, and the motor base is connected with a piston rod of the driving cylinder through a sliding block 10 which passes through the groove;
as shown in fig. 7, the floating spline shaft 78 includes a limiting slide seat 781, a pressure spring 782, and a spline shaft 783, the transmission shaft is stepped, the limiting slide seat transmission shaft is connected by a spline structure, the pressure spring is limited on the transmission shaft by the limiting slide seat, one end of the spline shaft is fixedly connected with the limiting slide seat, the spline shaft is hollow, and the spline shaft and the transmission shaft are in sliding fit; the structure is simple, the processing and the manufacturing are convenient, the cost is low, and the universality is good;
as shown in fig. 7, the pressure detecting assembly 8 includes an oil inlet pressure sensor 81 and an oil outlet pressure sensor 82, the oil inlet pressure sensor is fixed on the quick-connection plug, and the oil outlet pressure sensor is fixed on the oil outlet plug; the assembly position is used for realizing universality, and the numerical value of another specified workpiece can be acquired without adjustment;
the control switch comprises a gas circuit control valve and a circuit switch;
in this specification, the fixed connection parts are all bolted connections.
The utility model discloses the theory of operation: as shown in fig. 1, an oil pump (workpiece) 11 is positioned on a base plate through a positioning assembly, and a pressing mechanism and a plugging mechanism are started through a control valve to press the workpiece and seal a hole; starting the gas transmission assembly, and transmitting high-pressure gas into the workpiece; simultaneously starting a driving cylinder and a driving motor, wherein the driving cylinder drives a transmission shaft to move towards a workpiece, and the driving motor drives the transmission shaft to rotate; when the transmission shaft rises, the floating spline shaft keeps rotating, after the spline shaft contacts the oil pump, a driving surface of an inner rotor of the oil pump is searched (namely the spline shaft is not meshed with the inner rotor), at the moment, the limiting sliding seat moves on the transmission shaft, the pressure spring is in a compressed state until the spline shaft is meshed with the inner rotor (as shown in figure 7), the limiting sliding seat is reset through the pressure spring, and the driving cylinder stops working; the limiting sliding seat is connected with the transmission shaft through a spline, and therefore the limiting sliding seat drives the inner rotor of the oil pump to rotate at a constant speed through the spline shaft. In the rotating process, the torque sensor collects the torque value of the transmission shaft within a period of time, so that the rotating torque of the oil pump can be judged; and continuously increasing the rotating speed of the driving motor, keeping the rotating speed constant, acquiring the pressure change value of the oil inlet of the oil pump by the oil inlet pressure sensor, acquiring the pressure change value of the oil inlet of the oil pump by the oil outlet pressure sensor, and judging whether the performance test of the oil pump is qualified or not by detecting the pressure values of the inlet and the outlet of the oil pump.
Claims (9)
1. The utility model provides a gear oil pump gas examination test mechanism, includes bottom plate and workstation, and the bottom plate is fixed on the workstation, its characterized in that: be equipped with locating component on the holding surface of bottom plate, hold-down mechanism, plugging mechanism, gas transmission component, torque detection mechanism, pressure detection component and control switch, locating component is used for the location work piece, hold-down component is used for compressing tightly the work piece, plugging mechanism is used for the inlet port of shutoff work piece, oil outlet and draining hole, gas transmission component is used for carrying high-pressure air to the oil feed end of work piece in, torque detection mechanism is used for driving work piece inner rotor and gathers the work piece torque value, pressure detection component is used for gathering the pressure value of work piece inlet port and oil outlet end, locating component, hold-down mechanism, plugging mechanism, gas transmission component, torque detection mechanism, pressure detection component passes through control switch and starts.
2. The gear oil pump gas test testing mechanism of claim 1, characterized in that: the positioning assembly is composed of a plurality of positioning pins, and the positioning pins are matched with the process holes in the workpiece in a positioning mode.
3. The gear oil pump air test mechanism of claim 1 or 2, characterized in that: the pressing mechanism consists of a plurality of sets of pneumatic clamps.
4. The gear oil pump gas test testing mechanism of claim 3, characterized in that: the plugging mechanism consists of an oil inlet plugging mechanism, an oil outlet plugging mechanism and an oil drainage hole plugging mechanism; the oil inlet plugging mechanism is composed of an oil inlet cylinder, an oil inlet plug and an oil inlet sealing gasket, the oil inlet cylinder is fixed on the bottom plate through the base body, a piston rod in the oil inlet cylinder is used for driving the oil inlet plug, the oil inlet sealing gasket is fixed on the oil inlet plug, and the oil inlet sealing gasket is attached to the end face of an oil inlet of a workpiece; the oil outlet plugging mechanism is composed of an oil outlet cylinder, an oil outlet plug and an oil outlet sealing gasket, the oil outlet cylinder is fixed on the workbench through a base body, a piston rod in the oil outlet cylinder is used for driving the oil outlet plug, the oil outlet plug is in a frustum shape, an annular clamping groove is formed in the small-diameter end of the oil outlet plug, the annular oil outlet sealing gasket is limited on the annular clamping groove, and the oil outlet plug is connected with the oil outlet end of a workpiece; the oil drain hole plugging mechanism is the same as the oil inlet plugging mechanism.
5. The gear oil pump air test mechanism of claim 1, 2 or 4, characterized in that: the gas transmission assembly comprises a first pipe joint, a second pipe joint, a pipe body and a quick connection mechanism, wherein the first pipe joint is inserted into a gas transmission hole in the base plate, the second pipe joint is inserted into a gas transmission hole in the oil inlet plug, a gas transmission channel in the oil inlet plug is communicated with an inner cavity of a workpiece, the first pipe joint is connected with the second pipe joint through the pipe body, the quick connection mechanism is fixed on the workbench, and the quick connection mechanism is used for communicating the first pipe joint with a gas source.
6. The gear oil pump air test testing mechanism of claim 5, characterized in that: the quick-connection mechanism is composed of a quick-connection air cylinder, a quick-connection plug and a quick-connection sealing ring, the quick-connection air cylinder is fixed on the workbench through a base body, a piston rod of the quick-connection air cylinder is used for driving the quick-connection plug, an annular clamping groove is arranged on the plugging surface of the quick-connection plug, an annular quick-connection sealing gasket is limited on the annular clamping groove, a bottom plate is communicated with a through hole in the workbench, the quick-connection plug penetrates out of the through hole in the workbench to plug an air delivery hole in the bottom plate, the air delivery hole is used for being connected with a first pipe connector, and an air delivery channel in the quick-connection plug is communicated with the air delivery hole.
7. The gear oil pump gas test mechanism of claim 5, characterized in that: the torque detection mechanism comprises a connecting seat, a driving air cylinder, a guide rail, a motor base, a transmission shaft, a torque sensor, a driving motor and a floating spline shaft; the connecting seat is fixed on the workstation, it fixes on the connecting seat to drive actuating cylinder and guide rail, motor cabinet and guide rail sliding connection, it is used for driving the motor cabinet to drive actuating cylinder, the transmission shaft passes through the seated bearing to be fixed on the motor cabinet, torque sensor fixes on the transmission shaft, driving motor on the motor cabinet is connected with the one end of transmission shaft, floating integral key shaft is connected with the transmission shaft other end, floating integral key shaft can be connected with the internal spline on the work piece after wearing out from the through hole department on bottom plate and the workstation.
8. The gear oil pump gas test mechanism of claim 7, characterized in that: floating integral key shaft includes spacing slide, pressure spring, integral key shaft, and the transmission shaft is the step, and spacing slide transmission shaft adopts spline structural connection, and the pressure spring is spacing on the transmission shaft through spacing slide, the one end and the spacing slide fixed connection of integral key shaft, and the integral key shaft is hollow structure, and the integral key shaft is sliding fit with the transmission shaft.
9. The gear oil pump air test testing mechanism according to claim 1, 2 or 7, characterized in that: the pressure detection assembly comprises an oil inlet pressure sensor and an oil outlet pressure sensor, the oil inlet pressure sensor is fixed on the quick-connection plug, and the oil outlet pressure sensor is fixed on the oil outlet plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684272.8U CN217558537U (en) | 2022-03-28 | 2022-03-28 | Gear oil pump gas test mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220684272.8U CN217558537U (en) | 2022-03-28 | 2022-03-28 | Gear oil pump gas test mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217558537U true CN217558537U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220684272.8U Active CN217558537U (en) | 2022-03-28 | 2022-03-28 | Gear oil pump gas test mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217558537U (en) |
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2022
- 2022-03-28 CN CN202220684272.8U patent/CN217558537U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 442000 No.36, Fengshen Avenue, industrial new area, Zhangwan District, Shiyan City, Hubei Province Patentee after: Fuao Pump (Hubei) Co.,Ltd. Address before: 442000 No.36, Fengshen Avenue, industrial new area, Zhangwan District, Shiyan City, Hubei Province Patentee before: Dongfeng Fuao Pump Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |