CN209085572U - A kind of positioning measuring device - Google Patents
A kind of positioning measuring device Download PDFInfo
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- CN209085572U CN209085572U CN201821955079.3U CN201821955079U CN209085572U CN 209085572 U CN209085572 U CN 209085572U CN 201821955079 U CN201821955079 U CN 201821955079U CN 209085572 U CN209085572 U CN 209085572U
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 25
- 238000005259 measurement Methods 0.000 description 4
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- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000003128 head Anatomy 0.000 description 2
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- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
Originally practical to disclose a kind of positioning measuring device, including shell, linear displacement transducer, spring, lever and proportion electro-magnet；The lever is rotatablely installed in outer casing inner wall by shaft and stretches out shell, and support is fixed in shell, the spring connecting with the rotating joint back segment of lever is fixedly installed on support；Proportion electro-magnet is fixedly installed on support, the mandril of proportion electro-magnet is located on rear side of the rotating joint back segment of lever；Linear displacement transducer is rotationally connected with support, and the piston rod of linear displacement transducer and the rotating joint back segment of lever are rotatablely connected.
Description
Technical Field
The utility model relates to a detect the location art field, especially relate to an utilize lever principle location measuring device.
Background
In modern industrial automation installations, more or less automatic positioning techniques of the installation are involved. Such as the determination of the amount of translational movement in perforating or industrial automation handling at a particular location on a particular part. Currently, there are some industrial devices that are aligned with the alignment by human eyes, and this positioning method has a great limitation. The accuracy of actual positioning cannot be guaranteed, and positioning through human eyes is easily affected by light factors and self emotion of people. For example, if the parts are punched, if the parts are positioned by human eyes, the time is long and the positioning accuracy cannot be guaranteed. Meanwhile, in consideration of cost factors and the complexity of the whole equipment, visual positioning and other technologies are not needed in many occasions. For some narrow grooves or side faces needing to be measured, the measuring head needs to be extended into the gap in a controlled mode, and then the measuring head is released for detection.
With the development of scientific technology, for markets and numerous industrial automation designers, the traditional manual positioning cannot meet the requirement of the current positioning precision, and meanwhile, in order to simplify the structure degree and reduce the cost, more complex visual positioning and other technologies are not needed to be adopted in many occasions. Therefore, it is desirable to design a simple and reliable contact measurement device, which greatly reduces the complexity of the system and reduces the cost compared to visual positioning and the like.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to prior art not enough, the utility model provides a positioning measurement device aims at solving some present positioning accuracy and hangs down and the complicated problem of locate mode.
In order to achieve the above object, the utility model provides a following technical scheme: a positioning measuring device comprises a shell, a linear displacement sensor, a spring, a lever and a proportional electromagnet;
the lever is rotatably arranged on the inner wall of the shell through a rotating shaft and extends out of the shell, a support is fixed in the shell, and a spring connected with the rear section of a rotating connection point of the lever is fixedly arranged on the support; a proportional electromagnet is fixedly arranged on the support, and an ejector rod of the proportional electromagnet is positioned on the rear side of the rear section of the rotary connecting point of the lever; the linear displacement sensor is rotatably connected to the support, and a piston rod of the linear displacement sensor is rotatably connected with the rear section of the rotating connection point of the lever.
In order to ensure that the displacement sensor has obvious change at a little swinging of the lever, the displacement sensor, the spring and the proportional electromagnet are arranged from top to bottom.
Preferably, the support is fixedly provided with a hinge seat, and the hinge seat is rotatably connected with the linear displacement sensor through a rotating shaft; one end of the spring is fixedly connected with the rear wall of the support, and the other end of the spring penetrates through the front wall of the support and is connected with the rear section of the rotating connection point of the lever; the proportional electromagnet is arranged on the rear side of the front wall of the support, and an ejector rod of the proportional electromagnet penetrates through the front wall of the support and is positioned on the rear side of the rear section of the rotating connection point of the lever.
Preferably, the lever is L-shaped.
Preferably, the contact point is arranged at the end part of the front section of the rotating connection point of the lever in the clockwise direction.
The utility model has the advantages that: the device is designed on the basis of a lever principle, a contact can be moved to an initial position by adopting the combined action of a spring and a proportional electromagnet, then the contact is slowly released, after the contact is contacted with a lateral surface, a displacement sensor determines the position variation of a positioning rod, and further the position variation of a tested device compared with a reference surface can be determined through a lever conversion relation; compared with the manual positioning device, the device has higher precision and better effect; compared with the technical structures such as visual positioning and the like, the device has simpler structure and lower cost, and particularly has good adaptability to the movement with small equipment position variation. Meanwhile, the device is small in size and can meet the requirements of some equipment on the installation space of the positioning device.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.
Fig. 2 is a measurement flowchart of embodiment 1 of the present invention.
Fig. 3 is a state diagram of embodiment 1 of the present invention.
Wherein: the device comprises a linear displacement sensor 1, a spring 2, a positioning rod 3, a contact 31, a reference surface 4, a device to be measured 5, a rotating shaft 6, a fixed support 7, a hinged seat 71, a piston rod 72, a proportional electromagnet 8 and a driving rod 81.
Detailed Description
Example 1
As shown in fig. 1, a positioning and measuring device comprises a housing 9, a linear displacement sensor 1, a spring 2, a lever 3 and a proportional electromagnet 8;
the lever 3 is rotatably arranged on the inner wall of the shell 9 through the rotating shaft 6 and extends out of the shell 9, a support 7 is fixed in the shell 9, and a spring 2 connected with the rear section of a rotating connection point of the lever 3 is fixedly arranged on the support 7; a proportional electromagnet 8 is fixedly arranged on the support 7, and an ejector rod 81 of the proportional electromagnet 8 is positioned on the rear side of the rear section of the rotating connection point of the lever 3; the linear displacement sensor 1 is rotatably connected to the support 7, and a piston rod 72 of the linear displacement sensor 1 is rotatably connected to a rear section of a rotational connection point of the lever 3.
The linear displacement sensor 1, the spring 2 and the proportional electromagnet 8 are arranged from top to bottom. The lever 3 is L-shaped; a hinge seat 71 is fixedly arranged on the support 7, and the hinge seat 71 is rotatably connected with the linear displacement sensor 1 through a rotating shaft; one end of the spring 3 is fixedly connected with the rear wall of the support 7, and the other end of the spring penetrates through the front wall of the support 7 and is connected with the rear section of the rotating connection point of the lever 3; the proportional electromagnet 8 is arranged on the rear side of the front wall of the support 7, and the ejector rod 81 of the proportional electromagnet 8 penetrates through the front wall of the support 7 and is positioned on the rear side of the rear section of the rotating connection point of the lever 3.
The lever 3 is L-shaped. The contact 31 is arranged at the front end of the rotating connection point of the lever 3 in the clockwise direction.
The utility model discloses a wholly fixed with testee 5 through shell 9, follow testee 5 and remove. The proportional electromagnet 8 is a conventional device that changes the magnetic force by controlling the magnitude of the energization current, and therefore, the internal structure thereof will not be described.
When the device is used, as shown in fig. 2 and 3, the ejector rod 81 of the proportional electromagnet 8 is controlled to extend out, the lever 3 is pushed to rotate clockwise around the rotating shaft 6, so that the contact 31 of the lever 3 extending out of the shell 9 can extend into the bottom of the fixed base surface 4, at the moment, the rear section of the rotating connection point of the spring 2 to the lever 3 forms a tension state, namely the spring 2 is stretched, the ejector rod 81 slowly retracts by reducing the magnetic force of the proportional electromagnet 8, so that the contact 31 of the lever 3 is stably pressed at the bottom of the fixed base surface 4 under the action of the tension of the spring 2 and the thrust of the ejector rod 81, at the moment, the spring 2 is still in a stretching state, the proportional electromagnet 8 can prevent the contact 31 from pressing too tightly against the bottom of the base surface 4 to balance the tension, so that the lever 3 stably moves downwards when the whole device moves downwards along with the measured;
when the whole device follows the measured object 5 for a distance, the ejector rod 81 of the electromagnet 8 with the controlled proportion is reduced to slowly retract, at the moment, the lever 3 rotates anticlockwise around the rotating shaft 6 under the action of the restoring tension of the spring 2, so that the contact 31 contacts with the bottom of the base surface 4 again and is limited by the base surface 4, at the moment, the piston rod 72 of the displacement sensor 1 is pushed backwards again by the anticlockwise rotation of the lever 3, according to the distance of the front and back movement, as shown in figure 3, according to a formula,
distance moved down by the object 5: x ═ L1[cos(α-θ)-cosα]
Wherein,
in the formula, L1The length of the lever 3 from the center of the pivot 6 to the contact point of the base surface 4, L2In the shaft 6 of the lever 3The length of the shaft center of the shaft connecting the shaft center of the heart-to-linear displacement sensor 1 and the lever 3, b0The axial center distance of the connecting shaft is fixed at two ends of the linear displacement sensor 1 in an initial state, b1α is an included angle between the levers 3 for fixing the distance of the axle center of the connecting axle at the two ends of the linear displacement sensor 1 after moving.
Therefore, the moving distance of the object 5 to be measured is accurately and quickly measured, and the positioning is convenient to realize.
During machining of the lever 3, L1And L2The required precision is high.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (5)
1. A positioning and measuring device is characterized by comprising a shell (9), a linear displacement sensor (1), a spring (2), a lever (3) and a proportional electromagnet (8);
the lever (3) is rotatably arranged on the inner wall of the shell (9) through a rotating shaft (6) and extends out of the shell (9), a support (7) is fixed in the shell (9), and a spring (2) connected with the rear section of a rotating connection point of the lever (3) is fixedly arranged on the support (7); a proportional electromagnet (8) is fixedly arranged on the support (7), and a mandril (81) of the proportional electromagnet (8) is positioned at the rear side of the rear section of the rotary connecting point of the lever (3); the linear displacement sensor (1) is rotatably connected to the support (7), and a piston rod (72) of the linear displacement sensor (1) is rotatably connected with the rear section of a rotating connection point of the lever (3).
2. The positioning and measuring device according to claim 1, wherein the linear displacement sensor (1), the spring (2) and the proportional electromagnet (8) are arranged from top to bottom.
3. The positioning and measuring device according to claim 1, characterized in that a hinge seat (71) is fixedly arranged on the support (7), and the hinge seat (71) is rotatably connected with the linear displacement sensor (1) through a rotating shaft; one end of the spring (2) is fixedly connected with the rear wall of the support (7), and the other end of the spring penetrates through the front wall of the support (7) to be connected with the rear section of the rotating connection point of the lever (3); the proportional electromagnet (8) is arranged on the rear side of the front wall of the support (7), and a mandril (81) of the proportional electromagnet (8) penetrates through the front wall of the support (7) and is positioned on the rear side of the rear section of the rotating connection point of the lever (3).
4. The positioning and measuring device according to claim 1, characterized in that the lever (3) is L-shaped.
5. The positioning and measuring device according to claim 1, characterized in that the lever (3) is provided with a contact (31) in a clockwise direction at the end of the front section of the pivotal connection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955079.3U CN209085572U (en) | 2018-11-26 | 2018-11-26 | A kind of positioning measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821955079.3U CN209085572U (en) | 2018-11-26 | 2018-11-26 | A kind of positioning measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209085572U true CN209085572U (en) | 2019-07-09 |
Family
ID=67125409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821955079.3U Active CN209085572U (en) | 2018-11-26 | 2018-11-26 | A kind of positioning measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209085572U (en) |
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2018
- 2018-11-26 CN CN201821955079.3U patent/CN209085572U/en active Active
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