CN210981070U

CN210981070U - Magnetic pole plate detection tool

Info

Publication number: CN210981070U
Application number: CN201922403387.6U
Authority: CN
Inventors: 赵生严; 杨彬; 李后天; 朱俊
Original assignee: Telma Automobile Braking System Shanghai Co ltd
Current assignee: Telma Automobile Braking System Shanghai Co ltd; Telma Vehicle Braking System Shanghai Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-10
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses a magnetic pole plate detection tool belongs to detection tool technical field, waits to detect the magnetic pole plate and is polygon massive structure, and magnetic pole plate detection tool includes two tools, and each tool all has the inspection hole, and the shape of inspection hole is the same with the shape of magnetic pole plate, and the cross-sectional area of the inspection hole of one of them tool is first area of predetermineeing, and the cross-sectional area of the inspection hole of another tool is the area of predetermineeing of second, and the area of the polygonal face of magnetic pole plate is the area of predetermineeing of third. And detecting the magnetic pole plate through the two jigs, and if the third preset area of the magnetic pole plate is larger than the second preset area and smaller than the first preset area, the magnetic pole plate is qualified. And if the third preset area of the magnetic pole plate is larger than the first preset area or smaller than the second preset area, the magnetic pole plate is unqualified. Compared with the prior art, the magnetic pole plate detection device has the advantages of small difficulty, high efficiency and capability of accurately detecting the arc-shaped excessive angle of the magnetic pole plate.

Description

Magnetic pole plate detection tool

Technical Field

The utility model relates to a detection tool technical field especially relates to a magnetic pole plate detection tool.

Background

The magnetic pole plate is an important component of the eddy current retarder, and the fluctuation of the braking torque of the whole eddy current retarder is directly influenced by the change of the overall dimension of the magnetic pole plate. Therefore, the magnetic pole plate needs to be detected in the shape and size before being installed and used. But the irregular shape of magnetic pole board and the circular arc angle of exceedance that has make the measuring degree of difficulty of the overall dimension of magnetic pole board side great, generally adopt slide caliper rule to detect the overall dimension of magnetic pole board at present by the manual work, and the degree of difficulty is big, and is inefficient, is difficult to accurately measure the circular arc angle of exceedance with slide caliper rule moreover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a magnetic pole plate detection tool to solve the overall dimension that adopts slide caliper rule to the magnetic pole plate through the manual work that exists among the prior art and detect, the degree of difficulty is big, and is inefficient, is difficult to accurately measure the technical problem at circular arc excess angle with slide caliper rule moreover.

As the conception, the utility model adopts the technical proposal that:

a magnetic pole plate detection jig comprises two jigs, each jig is provided with a detection hole, the shape of the detection hole is the same as that of a magnetic pole plate, the cross section area of the detection hole of one jig is a first preset area, the cross section area of the detection hole of the other jig is a second preset area, the area of the polygonal surface of the magnetic pole plate is a third preset area, and when the third preset area is larger than the second preset area and smaller than the first preset area, the magnetic pole plate is qualified.

Further, the jig comprises a bottom plate and a gauge, the detection hole is formed in the gauge, the gauge is connected to the bottom plate, and the bottom plate can block one end of the detection hole.

Furthermore, the bottom plate is provided with positioning pins penetrating through the corresponding detection holes, and the positioning pins are configured to be matched with the through holes on the magnetic pole plate so as to position the magnetic pole plate.

Further, the gauges may be detachably coupled to the corresponding base plate.

Furthermore, a first fixing hole is formed in the gauge, a second fixing hole is formed in the position, opposite to the first fixing hole, of the corresponding bottom plate, and a fastener penetrates through the first fixing hole and extends into the second fixing hole to achieve connection between the gauge and the corresponding bottom plate.

Further, the fastener is a bolt.

Furthermore, at least one side wall of the detection hole is provided with a notch communicated with the detection hole.

Furthermore, the inner wall surface of the detection hole comprises seven planes which are sequentially connected, and the circular arc transition is formed between any two adjacent planes.

Further, the included angle between any two adjacent planes is an obtuse angle.

Further, seven planes connected in sequence are respectively a first plane, a second plane, a third plane, a fourth plane, a fifth plane, a sixth plane and a seventh plane, an included angle between the first plane and the second plane is 112.5 °, an included angle between the second plane and the third plane is 133 °, an included angle between the third plane and the fourth plane is 160 °, an included angle between the fourth plane and the fifth plane is 110 °, an included angle between the fifth plane and the sixth plane is 137 °, an included angle between the sixth plane and the seventh plane is 143.5 °, and an included angle between the seventh plane and the first plane is 104 °.

The utility model has the advantages that:

the utility model provides a magnetic pole plate detection tool, including two tools, the cross-sectional area of the inspection hole of one of them tool is first area of predetermineeing, and the cross-sectional area of the inspection hole of another tool is the area of predetermineeing of second, and the area of the polygonal face of magnetic pole plate is the area of predetermineeing of third. The magnetic pole plate is detected through the two fixtures, and if the third preset area of the magnetic pole plate is larger than the second preset area and smaller than the first preset area, the magnetic pole plate is qualified. And if the third preset area of the magnetic pole plate is larger than the first preset area or smaller than the second preset area, the magnetic pole plate is unqualified. Compared with the prior art, the magnetic pole plate detection device has the advantages of small difficulty, high efficiency and capability of accurately detecting the arc-shaped excessive angle of the magnetic pole plate.

Drawings

Fig. 1 is a top view of a magnetic pole plate provided by the present invention;

fig. 2 is a schematic structural diagram of the clamp provided by the present invention;

fig. 3 is a top view of the clamp provided by the present invention.

In the figure:

1. a base plate; 11. positioning pins; 12. a second fixing hole;

2. a gauge; 21. a detection hole; 211. a first side; 212. a second face; 213. a third surface; 214. a fourth surface; 215. a fifth aspect; 216. a sixth side; 22. a first fixing hole; 23. a notch;

3. a fastener;

4. a magnetic pole plate; 41. and a through hole.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements related to the present invention are shown in the drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The embodiment provides a magnetic pole plate detection tool, mainly aims at the detection of magnetic pole plate 4 in the eddy current retarder. As shown in fig. 1, the magnetic pole plate 4 to be detected is a polygonal block structure, and specifically, in the present embodiment, the magnetic pole plate 4 is a heptagonal block structure. The magnetic pole plate 4 is provided with a through hole 41.

As shown in fig. 2 and 3, the magnetic pole plate detection jig includes two jigs, each of the two jigs has a detection hole 21, the shape of the detection hole 21 is the same as that of the magnetic pole plate 4, the cross-sectional area of the detection hole 21 of one of the jigs is a first preset area, the cross-sectional area of the detection hole 21 of the other jig is a second preset area, the area of the polygonal surface of the magnetic pole plate 4 is a third preset area, and when the third preset area is larger than the second preset area and smaller than the first preset area, the magnetic pole plate 4 is qualified.

For convenience of description, the jig having the cross-sectional area of the inspection hole 21 as the first predetermined area is defined as a first jig, and the other jig is defined as a second jig. It can be understood that the first jig is a "go gauge", the second jig is a "no go gauge", and if the magnetic pole plate 4 can be placed in the detection hole 21 of the first jig and cannot be placed in the detection hole 21 of the second jig, the magnetic pole plate 4 is qualified. If the magnetic pole plate 4 can not be placed in the detection hole 21 of the first jig, or the magnetic pole plate 4 can be placed in the detection hole 21 of the second jig, the magnetic pole plate 4 is unqualified.

The two detection holes 21 of the two jigs have the same shape but different sizes. The first preset area and the second preset area respectively correspond to the maximum area and the minimum area of the polygonal surface of the magnetic pole plate 4, and when the area of the polygonal surface of the magnetic pole plate 4 is between the first preset area and the second preset area, the magnetic pole plate 4 is qualified.

Specifically, in this embodiment, the jig includes a bottom plate 1 and a gauge 2, the gauge 2 is provided with the above-mentioned detection hole 21, the gauge 2 is connected to the bottom plate 1, and the bottom plate 1 can block one end of the detection hole 21. It can be understood that a receiving groove is formed between the detecting hole 21 of the first jig and the bottom plate 1, and when the magnetic pole plate 4 can be put into the detecting hole 21, the bottom plate 1 can support the magnetic pole plate 4.

In addition, in order to position the magnetic pole plate 4 when the magnetic pole plate 4 is detected through the detection hole 21, the bottom plate 1 is provided with a positioning pin 11 penetrating through the corresponding detection hole 21, and the positioning pin 11 can be matched with the through hole 41 on the magnetic pole plate 4 to position the magnetic pole plate 4. Specifically, in this embodiment, a mounting hole is formed in the bottom plate 1, and the positioning pin 11 is interference-mounted in the mounting hole. Through setting up locating pin 11, can fix a position magnetic plate 4 when detecting magnetic plate 4, the design of locating pin 11 can also prevent to put magnetic plate 4 and turn over simultaneously, plays and prevents slow-witted effect.

Alternatively, the above-mentioned gauges 2 are detachably coupled to the corresponding base plate 1. Specifically, a first fixing hole 22 is formed in the gauge 2, a second fixing hole 12 is formed in the position, opposite to the first fixing hole 22, of the corresponding bottom plate 1, and the fastener 3 penetrates through the first fixing hole 22 and extends into the second fixing hole 12, so that the gauge 2 and the corresponding bottom plate 1 are connected. The fastening member 3 is preferably a bolt, the second fixing hole 12 is a threaded hole or a smooth hole, and when the second fixing hole 12 is a smooth hole, a nut engaged with the bolt is further required. It will be appreciated that by using bolts, a detachable connection of the gauge 2 and the corresponding base plate 1 is achieved. Optionally, in order to facilitate taking out the magnetic pole plate 4 from the detection hole 21 of the first fixture, at least one sidewall of the detection hole 21 is provided with a notch 23 communicating with the detection hole 21. After the magnetic pole plate 4 is inspected, an operator or a robot or the like can take out the magnetic pole plate 4 from the inspection hole 21 through the notch 23. It will be appreciated that the above-mentioned notch 23 opens onto the gauge 2.

As shown in fig. 3, in the present embodiment, the inner wall surface of the detection hole 21 includes seven planes connected in sequence corresponding to the magnetic pole plate 4, and the circular arc transition is performed between any two adjacent planes. In addition, the included angle between any two adjacent planes is an obtuse angle. Specifically, in the present embodiment, the seven sequentially connected planes are the first surface 211, the second surface 212, the third surface 213, the fourth surface 214, the fifth surface 215, the sixth surface 216, and the seventh surface 217, respectively. The angle between the first face 211 and the second face 212 is 112.5 °, the angle between the second face 212 and the third face 213 is 133 °, the angle between the third face 213 and the fourth face 214 is 160 °, the angle between the fourth face 214 and the fifth face 215 is 110 °, the angle between the fifth face 215 and the sixth face 216 is 137 °, the angle between the sixth face 216 and the seventh face 217 is 143.5 °, and the angle between the seventh face 217 and the first face 211 is 104 °. Of course, in other embodiments, the size of the included angle between any two adjacent planes may be set according to actual needs.

In addition, in the present embodiment, the second surface 212 is parallel to the sixth surface 216, the notches 23 are respectively disposed on the side wall of the detection hole 21 corresponding to the second surface 212 and the side wall corresponding to the sixth surface 216, and the two notches 23 are disposed oppositely. The two oppositely arranged notches 23 further facilitate the removal of the magnetic pole plate 4 from the corresponding detection hole 21.

In summary, the magnetic pole plate detection jig provided by the embodiment includes two jigs, the cross-sectional area of the detection hole 21 of one of the jigs is a first predetermined area, the cross-sectional area of the detection hole 21 of the other jig is a second predetermined area, and the area of the polygonal surface of the magnetic pole plate 4 is a third predetermined area. The magnetic pole plate 4 is detected through the two jigs, and if the third preset area of the magnetic pole plate 21 is larger than the second preset area and smaller than the first preset area, the magnetic pole plate 4 is qualified. If the third preset area of the magnetic pole plate 4 is larger than the first preset area or smaller than the second preset area, the magnetic pole plate 4 is unqualified. Compared with the prior art, the magnetic pole plate detection device has the advantages of small difficulty, high efficiency and capability of accurately detecting the arc-shaped excessive angle of the magnetic pole plate 4.

The above embodiments have been described only the basic principles and features of the present invention, and the present invention is not limited by the above embodiments, and is not departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The magnetic pole plate detection jig is characterized by comprising two jigs, wherein each jig is provided with a detection hole (21), the shape of the detection hole (21) is the same as that of the magnetic pole plate (4), the cross-sectional area of the detection hole (21) of one jig is a first preset area, the cross-sectional area of the detection hole (21) of the other jig is a second preset area, the area of the polygonal surface of the magnetic pole plate (4) is a third preset area, and when the third preset area is larger than the second preset area and smaller than the first preset area, the magnetic pole plate (4) is qualified.

2. The magnetic pole plate detection tool according to claim 1, characterized in that the tool comprises a bottom plate (1) and a gauge (2), the gauge (2) is provided with the detection hole (21), the gauge (2) is connected to the bottom plate (1), and the bottom plate (1) can block one end of the detection hole (21).

3. The magnetic pole plate detection tool according to claim 2, characterized in that the bottom plate (1) is provided with a positioning pin (11) penetrating into the corresponding detection hole (21), and the positioning pin (11) is configured to match with a through hole (41) on the magnetic pole plate (4) to position the magnetic pole plate (4).

4. The pole plate detection tool according to claim 2, wherein the gauges (2) are detachably connected to the corresponding base plate (1).

5. The magnetic pole plate detection jig of claim 4, wherein a first fixing hole (22) is formed in the gauge (2), a second fixing hole (12) is formed in a position, opposite to the first fixing hole (22), of the corresponding bottom plate (1), and a fastener (3) penetrates through the first fixing hole (22) and extends into the second fixing hole (12), so that the gauge (2) and the corresponding bottom plate (1) are connected.

6. The pole plate detection jig of claim 5, wherein the fastener (3) is a bolt.

7. The magnetic pole plate detection jig according to claim 2, characterized in that at least one side wall of the detection hole (21) is provided with a notch (23) communicated with the detection hole (21).

8. The magnetic pole plate detection tool according to claim 1, characterized in that the inner wall surface of the detection hole (21) comprises seven planes which are connected in sequence, and the arc transition is formed between any two adjacent planes.

9. The magnetic pole plate detection tool of claim 8, wherein an included angle between any two adjacent planes is an obtuse angle.

10. The tool for inspecting magnetic pole plates of claim 9, wherein seven sequentially connected planes are a first plane (211), a second plane (212), a third plane (213), a fourth plane (214), a fifth plane (215), a sixth plane (216) and a seventh plane (217), the angle between the first face (211) and the second face (212) is 112.5 degrees, the angle between the second face (212) and the third face (213) is 133 DEG, the angle between the third face (213) and the fourth face (214) is 160 DEG, the angle between the fourth face (214) and the fifth face (215) is 110 DEG, the angle between the fifth face (215) and the sixth face (216) is 137 DEG, the angle between the sixth face (216) and the seventh face (217) is 143.5 degrees, the angle between the seventh face (217) and the first face (211) is 104 °.