CN204963749U - External gear pump end clearance detection device - Google Patents
External gear pump end clearance detection device Download PDFInfo
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- CN204963749U CN204963749U CN201520744249.3U CN201520744249U CN204963749U CN 204963749 U CN204963749 U CN 204963749U CN 201520744249 U CN201520744249 U CN 201520744249U CN 204963749 U CN204963749 U CN 204963749U
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- cylinder
- coupling shaft
- gear
- piston rod
- external gear
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Abstract
The utility model discloses an external gear pump end clearance detection device, including base, cylinder and pneumatic triple piece, its characterized in that: the opposition is provided with gear pump installing support and cylinder installing support on the base, the cylinder is fixed on the cylinder installing support, and the piston rod of cylinder is equipped with the connecting axle towards the tip of gear pump installing support and piston rod, be equipped with the percentage table on the gear pump installing support, the thimble of percentage table is on a parallel with the connecting axle. The utility model discloses have and detect precision height, simple structure, beneficial effect easy and simple to handle.
Description
Technical field
The utility model relates to a kind of pick-up unit, specifically a kind of external gear rotary pump end clearance pick-up unit.
Background technology
Gear-type pump assembly is one of important component part in fluid drive box assembly, and the performance of this assembly directly affects the performance of automatic transmission when power shifting.The gap of gear-type pump directly affects the performance of assembly, and the volumetric efficiency that excesssive gap can cause the internal leakage of assembly to increase gear-type pump reduces, and pump oil is insufficient; The too small meeting of end face causes abrased gear pump earlier period damage, affects the serviceable life of assembly.Gear-type pump must carry out 100% measurement to gear face gap in process, and gear-type pump end clearance value very little be 0.07-0.12mm, the mode according to artificial drawing carries out measurement can cause the inaccurate stability that cannot ensure assembly quality of measured value.
Utility model content
The purpose of this utility model is the deficiency existed to solve above-mentioned background technology, proposes the external gear rotary pump end clearance pick-up unit that a kind of accuracy of detection is high, structure is simple, easy and simple to handle.
In order to realize above object, a kind of external gear rotary pump end clearance pick-up unit that the utility model provides, comprise base, cylinder and pneumatic triple piece, it is characterized in that: on described base, opposition is provided with gear-type pump mounting bracket and Cylinder mount bracket, described cylinder is fixed on Cylinder mount bracket, the piston rod of cylinder is towards gear-type pump mounting bracket and the end of piston rod is provided with coupling shaft, and described gear-type pump mounting bracket is provided with dial gauge, and the thimble of described dial gauge is parallel to coupling shaft.
As preferred version of the present utility model, between described coupling shaft and piston rod, be provided with pull pressure sensor, described pull pressure sensor be connected with DEWE data actuation.
Further, described coupling shaft is fixedly connected with by set nut with between piston rod.
Closer, described coupling shaft is fixedly connected with by set nut with between pull pressure sensor.
Again further, described gear-type pump mounting bracket extends L-type support, the horizontal sides that of described L-type support is parallel with coupling shaft and one are formed perpendicular to horizontal sides and towards the vertical edges of coupling shaft, and described dial gauge is located in vertical edges, and the thimble of dial gauge is parallel to coupling shaft.
The beneficial effects of the utility model: one, by cylinder push-and-pull gear shaft, and by dial gauge recording distance, play push-pull effort comparatively steady, accuracy of detection is high; Its two, pull pressure sensor can monitor the push-and-pull force value change in testing process, adjusts in time, ensures the accuracy of clearance measurement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the side view of Fig. 1;
In figure: base 1, gear-type pump mounting bracket 1.1, Cylinder mount bracket 1.2, gear-type pump 2, gear shaft 2.1, cylinder 3, piston rod 3.1, coupling shaft 4, dial gauge 5, pull pressure sensor 6, set nut 7, L-type support 8, horizontal sides 8.1, vertical edges 8.2, pneumatic triple piece 9, DEWE data actuation 10.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment: as shown in Figure 1 and Figure 2, a kind of external gear rotary pump end clearance pick-up unit designed by the utility model, comprises base 1, gear-type pump 2, cylinder 3 and pneumatic triple piece 9.Described base 1 is provided with gear-type pump mounting bracket 1.1 and Cylinder mount bracket 1.2, between described base 1 and gear-type pump mounting bracket 1.1, is equipped with height control pad between base 1 and Cylinder mount bracket 1.2.Described gear-type pump 2 is fixed on gear-type pump mounting bracket 1.1, described cylinder 3 is fixed on Cylinder mount bracket 1.2, the gear shaft 2.1 of gear-type pump 2 opposes with the piston rod 3.1 of cylinder 3 and arranges and be positioned on same axis, described gear shaft 2.1 is connected by coupling shaft 4 with piston rod 3.1, described gear-type pump mounting bracket 1.1 is also provided with dial gauge 5, and the thimble of described dial gauge 5 is set up on the end face of gear shaft 2.1 and thimble is parallel to coupling shaft 4.Pull pressure sensor 6 is provided with between described coupling shaft 4 and piston rod 3.1.Described coupling shaft 4 is fixedly connected with by set nut 7 with between gear shaft 2.1, and described coupling shaft 4 is fixedly connected with by set nut 7 with between pull pressure sensor 6.
Described gear-type pump mounting bracket 1.1 extends L-type support 8, the horizontal sides 8.1 that of described L-type support 8 is parallel with coupling shaft 4 and one are formed perpendicular to horizontal sides 8.1 and towards the vertical edges 8.2 of coupling shaft 4, described dial gauge 5 is located in vertical edges 8.2, and the thimble of dial gauge 5 is parallel to coupling shaft 4.Described pull pressure sensor 6 being also connected with DEWE data actuation 10, pressure is gathered, feeding back to operating personnel by generating rapidly after the conditioning of signal, data high-speed collection and high speed storing, data processing, conveniently to adjust in real time.
The course of work of the present utility model is: first gear-type pump mounting bracket 1.1 and Cylinder mount bracket 1.2 are installed on base, and gear-type pump 2 is fixed on gear-type pump mounting bracket 1.1, cylinder 3 is fixed on Cylinder mount bracket 1.2, by key and height control pad, gear shaft 2.1 and piston rod 3.1 is positioned on same axis.Connect pull pressure sensor 3 in the front end of piston rod 3.1, by coupling shaft 4 pull pressure sensor 6 be connected with gear shaft 2.1 and fixed by set nut 7.Again dial gauge 5 is fixed on L-type fixed support 8 by socket head cap screw.
The thimble adjusting dial gauge 5 when detecting stretches out forward and is against in driving gear axial end.Adjustment pneumatic triple piece makes the atmospheric pressure value of cylinder 3 make ergometry in specialized range.Then adjust cylinder to-and-fro movement, dial gauge 5 is the flank of tooth gap width of the driving gear of gear-type pump 2 at the difference S that cylinder 3 pushes away, draw terminal.
The atmospheric pressure value adjusting cylinder 3 by pneumatic triple piece 9 when per tour is measured first makes ergometry reach the scope of regulation interior, the pull pressure sensor 6 paying close attention to DEWE data actuation 10 feedback in measuring process measures force value size, the air pressure of timely adjustment cylinder 3, thus the accuracy ensureing clearance measurement.
The above is only preferred embodiment of the present utility model, not does any pro forma restriction to the utility model structure.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.
Claims (5)
1. an external gear rotary pump end clearance pick-up unit, comprise base (1), cylinder (3) and pneumatic triple piece (9), it is characterized in that: the upper opposition of described base (1) is provided with gear-type pump mounting bracket (1.1) and Cylinder mount bracket (1.2), described cylinder (3) is fixed on Cylinder mount bracket (1.2), the piston rod (3.1) of cylinder (3) is towards gear-type pump mounting bracket (1.1) and the end of piston rod (3.1) is provided with coupling shaft (4), described gear-type pump mounting bracket (1.1) is provided with dial gauge (5), the thimble of described dial gauge (5) is parallel to coupling shaft (4).
2. external gear rotary pump end clearance according to claim 1 pick-up unit, it is characterized in that: between described coupling shaft (4) and piston rod (3.1), be provided with pull pressure sensor (6), described pull pressure sensor (6) is connected with DEWE data actuation (10).
3. external gear rotary pump end clearance according to claim 1 pick-up unit, is characterized in that: be fixedly connected with by set nut (7) between described coupling shaft (4) with piston rod (3.1).
4. external gear rotary pump end clearance according to claim 2 pick-up unit, is characterized in that: be fixedly connected with by set nut (7) between described coupling shaft (4) with pull pressure sensor (6).
5. external gear rotary pump end clearance according to claim 1 pick-up unit, it is characterized in that: described gear-type pump mounting bracket (1.1) extends L-type support (8), the horizontal sides (8.1) that of described L-type support (8) is parallel with coupling shaft (4) and one are formed perpendicular to horizontal sides (8.1) and towards the vertical edges (8.2) of coupling shaft (4), described dial gauge (5) is located in vertical edges (8.2), and the thimble of dial gauge (5) is parallel to coupling shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744249.3U CN204963749U (en) | 2015-09-23 | 2015-09-23 | External gear pump end clearance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520744249.3U CN204963749U (en) | 2015-09-23 | 2015-09-23 | External gear pump end clearance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204963749U true CN204963749U (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520744249.3U Active CN204963749U (en) | 2015-09-23 | 2015-09-23 | External gear pump end clearance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204963749U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579668A (en) * | 2018-11-30 | 2019-04-05 | 衢州学院 | A kind of auxiliary device for screw rotor gap detection |
| CN109654976A (en) * | 2018-11-30 | 2019-04-19 | 衢州学院 | A kind of screw rotor monitor station based on PLC control |
-
2015
- 2015-09-23 CN CN201520744249.3U patent/CN204963749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579668A (en) * | 2018-11-30 | 2019-04-05 | 衢州学院 | A kind of auxiliary device for screw rotor gap detection |
| CN109654976A (en) * | 2018-11-30 | 2019-04-19 | 衢州学院 | A kind of screw rotor monitor station based on PLC control |
| CN109579668B (en) * | 2018-11-30 | 2019-12-31 | 衢州学院 | Auxiliary device for detecting meshing clearance between screw rotors |
| CN109654976B (en) * | 2018-11-30 | 2019-12-31 | 衢州学院 | Screw rotor detection table based on PLC control |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |