CN216520556U - Height difference detection device - Google Patents
Height difference detection device Download PDFInfo
- Publication number
- CN216520556U CN216520556U CN202123197422.7U CN202123197422U CN216520556U CN 216520556 U CN216520556 U CN 216520556U CN 202123197422 U CN202123197422 U CN 202123197422U CN 216520556 U CN216520556 U CN 216520556U
- Authority
- CN
- China
- Prior art keywords
- displacement sensor
- height difference
- controller
- mover
- detecting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model relates to the technical field of product detection, and particularly discloses a height difference detection device which comprises a workbench, a displacement sensor, a controller and a mover for driving the displacement sensor to move in space, wherein the displacement sensor is connected to the output end of the mover, the displacement sensor and the mover are both connected with the controller, the controller is used for controlling the mover to drive the displacement sensor to move in space, and the controller is used for storing height data acquired by the displacement sensor. The scheme is used for solving the problem that in the prior art, the height difference between the end surfaces of the inner rotor and the outer rotor and the end surface of the rotor cavity of the pump body is tested inaccurately.
Description
Technical Field
The utility model relates to the technical field of product detection, in particular to a height difference detection device.
Background
The diesel (or gasoline) engine is generally provided with an oil pump, the oil pump sucks the oil into the oil pump, and the sucked oil pump is discharged into an oil filter and various lubricating oil channels of the engine under the action of pressure, so that the functions of lubricating, antifriction, cooling, anti-corrosion, shock absorption and the like of various transmission pairs of the engine are realized.
The oil pump mainly comprises a pump body, an inner rotor, an outer rotor, a pump cover and the like, wherein a rotor cavity for accommodating the inner rotor and the outer rotor is formed in the pump body, the pump cover is used for sealing the rotor cavity, the rotor cavity is communicated with an oil suction channel and an oil discharge channel, the inner rotor and the outer rotor can be meshed, the number of teeth of the inner rotor and the outer rotor is different, oil suction and oil discharge of the rotor cavity are realized in the process that the inner rotor drives the outer rotor to rotate, and the oil suction and oil discharge performance of the oil pump has an important factor, namely the fit backlash between the inner rotor, the outer rotor and the pump cover besides the influences of the tooth shapes, the shaping, the machining parameters and other factors of the inner rotor and the outer rotor. And the size of the fit backlash depends on the size difference of the heights of the inner rotor, the outer rotor and the rotor cavity.
At present, the mode of detecting the height of an inner rotor and an outer rotor and the depth of a rotor cavity by adopting manual local sampling points is commonly adopted for detecting the size difference on the height, and then the detected height and the detected depth are compared to obtain the size difference. However, the existing detection mode cannot avoid the shape and position errors of the inner rotor and the outer rotor and the accumulated deviation generated by the plane error of the end face of the rotor cavity, so that the height size difference obtained by calculation after detection is different from the actual size difference, the detection rate is reduced, and abnormal conditions such as blockage or insufficient pump oil quantity generated by the oil pump at the later stage are increased.
The utility model discloses a mode of realizing the difference in height detection through the sensor among the prior art, specifically do, adopt a difference in height device, the device includes the workstation and installs the detection head on the workstation, a plurality of the same sensors of overhead installation of detection, during the difference in height detection, earlier the inner rotor, the outer rotor is installed on the rotor chamber of the pump body, then utilize a plurality of sensors of overhead measurement sensor and inner rotor terminal surface of detection, the distance of outer rotor terminal surface and rotor chamber terminal surface, and then the high data of each check point distance sensor is obtained in the short-term test, learn the difference in height between inner rotor terminal surface and the rotor chamber terminal surface through the high data contrast that detects.
However, in the current mode, a plurality of sensors are needed, the cost of the testing device is increased, and in addition, different sensors are not completely the same, so that the problem of inaccurate detection caused by measurement deviation exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a height difference detection device to solve the problem that in the prior art, the height difference between the end surface of an inner rotor, the end surface of an outer rotor and the end surface of a rotor cavity of a pump body is not accurately tested.
In order to achieve the above object, the basic scheme of the utility model is as follows:
the utility model provides a height difference detection device, includes workstation and displacement sensor, still includes the controller and drives displacement sensor and carry out the shifter of space migration, and displacement sensor connects the output at the shifter, and the shifter is connected with the controller, and the controller is used for controlling the shifter and drives displacement sensor and carry out space migration.
Compare the beneficial effect in prior art:
when the scheme is adopted, the controller controls the shifter to drive the displacement sensors to carry out height detection on the inner rotor end face, the outer rotor end face and the pump body rotor cavity end face, so that different parts can be subjected to height detection through one displacement sensor, and the problem of inaccurate detection caused by difference in height data acquisition of different sensors is avoided; in addition, in the scheme, only one displacement sensor is used, so that the cost of the displacement sensor is reduced.
According to the scheme, the controller and the shifter are arranged, so that the device can detect the height difference of the end faces of the inner rotor, the outer rotor and the rotor cavity of the pump body for the oil pumps with different sizes and models, and compared with the condition that a plurality of sensors with determined positions cannot be used for detecting the heights of different oil pumps in the prior art, the scheme can adapt to the oil pumps without specifications, and further has higher practicability; in addition, the control of the controller to the shifter enables the automation degree of the device to be improved.
Furthermore, the output end of the shifter is connected with a lifting plate, a guide rail is arranged on the shifter, the lifting plate is vertically connected to the guide rail in a sliding mode, and the displacement sensor is fixedly connected to the lifting plate.
Has the advantages that: through installing displacement sensor on the lifter plate to adjust displacement sensor's high position, and the vertical sliding connection of lifter plate is on the guide rail, makes the lift action of lifter plate more steady, guarantees the lift stability of the displacement sensor who has on the lifter plate.
Furthermore, a positioning block is arranged on the workbench and is in concave-convex fit with the pump body.
Has the advantages that: through the setting of locating piece for the position can be fixed is placed to the pump body, and then makes things convenient for the pump body to place the assigned position at the workstation fast accurately.
Furthermore, the locating piece includes fixed connection's guide part and location portion, and the guide part is located the top of location portion, location portion and pump body unsmooth cooperation.
Has the advantages that: the arrangement of the guide part facilitates the downward sliding of the pump body from the guide part to the positioning part, and the accuracy and the rapidity of the placement of the pump body are further improved.
Furthermore, a control switch is arranged on the positioning part and connected with the controller.
Has the advantages that: when this scheme of adoption, only when the pump body is placed with location portion on, just meaning to place in place, the pump body is placed in place simultaneously and is automatic triggering control switch promptly, and control switch is triggered the back, and the controller receives this signal and control the shifter and begin to drive displacement sensor and carry out data acquisition, has improved the degree of automation of this device.
Further, the device also comprises a standard block used for calibrating the displacement sensor.
Has the advantages that: in actual use, signals of the displacement sensor slightly change along with the use condition of the displacement sensor, so that the problem of inaccurate detection caused by the change of the displacement sensor is solved, the standard block is added to the displacement sensor, the displacement sensor is conveniently calibrated, and the accuracy and the reliability of subsequent data acquisition of the displacement sensor are guaranteed.
Further, the displacement sensor adopts a pneumatic inductance measuring head.
Has the advantages that: the pneumatic inductance measuring head has high detection precision and is beneficial to improving the detection precision.
Furthermore, the shifter adopts a three-dimensional moving module which is used for driving the displacement sensor to realize the movement of an X axis, a Y axis and a Z axis.
Furthermore, a travel limit switch is arranged on the three-dimensional moving module.
Drawings
FIG. 1 is a schematic three-dimensional structure of an embodiment of the present invention;
FIG. 2 is a schematic three-dimensional view of the pump body of FIG. 1 after placement;
FIG. 3 is a schematic diagram of a three-dimensional structure of the lifter and lifter plate separated according to an embodiment of the present invention;
fig. 4 is a top view of the pump body after the inner rotor and the outer rotor are installed in the rotor cavity of the pump body in the embodiment of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a workbench 1, a displacement sensor 2, a mover 3, a lifter 31, a lifting plate 32, a positioning block 4, a guide part 41, a positioning part 42, a standard block 5, a control switch 6 and a pump body 10.
Examples
The embodiment is basically as shown in fig. 1 to 4, a height difference detection device, including workstation 1, displacement sensor 2, a controller and a mover 3 that drives displacement sensor 2 to carry out spatial migration, displacement sensor 2 is connected at the output of mover 3, displacement sensor 2 and mover 3 all are connected with the controller, the controller is used for controlling mover 3 to drive displacement sensor 2 to carry out spatial migration, the controller is used for storing the height data that displacement sensor 2 gathered, the controller is connected with the display, the controller shows the height data that displacement sensor 2 gathered through the display.
The mover 3 adopts a three-dimensional moving module, the three-dimensional moving module is used for the displacement sensor 2 to realize the movement of an X axis, a Y axis and a Z axis, the three-dimensional moving module in the embodiment comprises an X axis linear module, a Y axis linear module and a lifter 31, the X axis linear module is fixedly connected to the output end of the Y axis linear module, the lifter 31 is fixedly connected to the output end of the X axis linear module, and the lifter 31 in the embodiment adopts an air cylinder; the X-axis linear module, the Y-axis linear module and the lifter 31 are all provided with travel limit switches so as to reduce the probability that the displacement sensor 2 is driven to exceed the travel range and collide with other objects.
Integrated into one piece has the guide rail on riser 31's the casing, and riser 31's output fixedly connected with lifter plate 32, the vertical sliding connection of lifter plate 32 is on the guide rail, and displacement sensor 2 is through the clamp splice fixed connection who installs on lifter plate 32.
The positioning block 4 is fixed on the workbench 1 through a screw, the positioning block 4 is in concave-convex fit with the pump body 10, the positioning block 4 comprises a guide part 41 and a positioning part 42 which are integrally formed, the guide part 41 is positioned above the positioning part 42, the positioning part 42 is in concave-convex fit with the pump body 10, a control switch 6 is installed on the positioning part 42 of one of the positioning blocks 4, the control switch 6 is connected with the controller, after the control switch 6 is triggered, the controller receives a signal of triggering the control switch 6 and controls the mover 3 to drive the displacement sensor 2 to acquire height data.
The workbench 1 is further provided with a standard block 5 for calibrating the displacement sensor 2, and the displacement sensor 2 in the embodiment adopts a pneumatic inductive measuring head.
The specific implementation process is as follows:
in this embodiment, the displacement sensor 2 is calibrated by the standard block 5 before the pump body 10 is subjected to the height difference detection.
When the pump body 10 is detected, the pump body 10 is moved to the position above the workbench 1, then the pump body 10 slides downwards from the guide part 41 of the positioning block 4 to the positioning part 42 of the positioning block 4, so that the pump body 10 is accurately placed, the pump body 10 automatically triggers the control switch 6 when the pump body 10 is placed, the controller receives a signal that the control switch 6 is triggered, namely the shifter 3 is controlled to start to drive the displacement sensor 2 to carry out data acquisition, during the data acquisition, the shifter 3 drives the displacement sensor 2 to carry out height data acquisition on a plurality of points of the inner rotor end surface, the outer rotor end surface and the rotor cavity end surface of the pump body 10, the displacement sensor 2 transmits the acquired height data to the controller, and the controller stores the height data and displays the acquired real-time data on a display; and then, according to the height data obtained by measurement, calculating the height difference between the end surface of the inner rotor and the end surface of the rotor cavity of the pump body 10 and calculating the height difference between the end surface of the outer rotor and the end surface of the rotor cavity of the pump body 10.
In the embodiment, through the matching of the displacement sensor 2, the mover 3 and the controller, the height data acquisition and the height difference judgment on the whole oil pump are completed, the consistency and the reliability of the data acquisition are ensured, and the accuracy of the height difference detection is improved; while using only one displacement sensor 2 reduces the cost of the displacement sensor 2.
In the embodiment, through the arrangement of the controller and the shifter 3, the device can detect the height difference of the end surfaces of the inner rotor and the outer rotor and the end surface of the rotor cavity of the pump body 10 of the oil pumps with different sizes and models, and compared with the condition that a plurality of sensors with determined positions cannot be used for detecting the heights of different oil pumps in the prior art, the device can adapt to the oil pumps with different specifications, so that the practicability is higher; in addition, the control of the controller to the shifter 3 in the scheme enables the automation degree of the device to be improved.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. The utility model provides a difference in height detection device, includes workstation and displacement sensor, its characterized in that: the device comprises a controller and a mover, wherein the mover drives a displacement sensor to move in space, the displacement sensor is connected to the output end of the mover, the mover is connected with the controller, and the controller is used for controlling the mover to drive the displacement sensor to move in space.
2. The height difference detecting device according to claim 1, wherein: the output end of the shifter is connected with a lifting plate, a guide rail is arranged on the shifter, the lifting plate is vertically connected to the guide rail in a sliding mode, and the displacement sensor is fixedly connected to the lifting plate.
3. The height difference detecting device according to claim 1, wherein: and the workbench is provided with a positioning block, and the positioning block is in concave-convex fit with the pump body.
4. The height difference detecting device according to claim 3, wherein: the locating piece includes fixed connection's guide part and location portion, and the guide part is located the top of location portion, location portion and pump body unsmooth cooperation.
5. The height difference detecting device according to claim 4, wherein: the positioning part is provided with a control switch, and the control switch is connected with the controller.
6. The height difference detecting device according to claim 1, wherein: the calibration device also comprises a standard block for calibrating the displacement sensor.
7. The height difference detecting device according to claim 1, wherein: the displacement sensor adopts a pneumatic inductance measuring head.
8. The height difference detecting device according to claim 1, wherein: the shifter adopts a three-dimensional moving module which is used for driving the displacement sensor to realize the movement of an X axis, a Y axis and a Z axis.
9. The height difference detecting device according to claim 8, wherein: and the three-dimensional moving module is provided with a travel limit switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197422.7U CN216520556U (en) | 2021-12-17 | 2021-12-17 | Height difference detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197422.7U CN216520556U (en) | 2021-12-17 | 2021-12-17 | Height difference detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216520556U true CN216520556U (en) | 2022-05-13 |
Family
ID=81499449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123197422.7U Active CN216520556U (en) | 2021-12-17 | 2021-12-17 | Height difference detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216520556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216421A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Height difference detection system |
-
2021
- 2021-12-17 CN CN202123197422.7U patent/CN216520556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216421A (en) * | 2021-12-17 | 2022-03-22 | 重庆百吉四兴压铸有限公司 | Height difference detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210005163U (en) | Detection device for pressure gauges | |
| CN216520556U (en) | Height difference detection device | |
| CN111185745A (en) | Floating lock detection method for screw | |
| CN215766926U (en) | Curved surface glass measuring device based on spectrum confocal | |
| CN114216421A (en) | Height difference detection system | |
| CN115302288B (en) | Device and method for milling precision correction based on three-point positioning | |
| CN217748729U (en) | Detect integrative device of correction | |
| CN213021516U (en) | Bore inner diameter measuring machine | |
| CN110567356B (en) | Tank height and wall thickness measuring device for two-piece tank | |
| CN112097723B (en) | Linear rail precision detection device and detection method for seventh axis of robot | |
| CN114215737B (en) | Oil pump quality detection system | |
| CN220602424U (en) | Guide rail detection device of numerical control lathe | |
| CN113059543B (en) | End socket groove position marking system and marking method thereof | |
| CN201945280U (en) | Form and position deviation measurement device for back face encircles and end faces of bevel gear | |
| CN108955465B (en) | ABS gear ring runout measuring device | |
| CN216899153U (en) | Oil level sensor debugging platform | |
| CN219178533U (en) | Inner diameter and outer diameter detection device for combustion chamber shell part | |
| CN219714329U (en) | Alignment precision detector | |
| CN220552395U (en) | Internal diameter detection device and detection system | |
| CN204286405U (en) | A kind of robotization radial pulsation measurement device | |
| CN218066331U (en) | Honeycomb ceramic carrier detection device | |
| CN219301544U (en) | Automatic detection equipment for sensor size | |
| CN218946861U (en) | Centering structure and spring assembly device comprising same | |
| CN208238753U (en) | A kind of high-precision cylindricity measuring instrument | |
| CN110307794B (en) | High-precision intelligent aperture testing device and testing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |