CN217134275U - High-precision travel switch structure of traction device - Google Patents
High-precision travel switch structure of traction device Download PDFInfo
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- CN217134275U CN217134275U CN202220586965.3U CN202220586965U CN217134275U CN 217134275 U CN217134275 U CN 217134275U CN 202220586965 U CN202220586965 U CN 202220586965U CN 217134275 U CN217134275 U CN 217134275U
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- 239000002184 metal Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a draw gear's high accuracy travel switch structure, include: the device comprises a contact block, a rotating plate, a pressure spring, a small magnet and a high-precision magnetic switch, wherein the contact block is connected with a traction rope, at least one part of the traction rope is arranged along a first direction, and the traction rope pulls the contact block to move along the first direction; one end of the rotating plate is rotatably arranged, the other end of the rotating plate is arranged on one side of the contact block, and the contact block can operably push the rotating plate to rotate by taking one end of the rotating plate as a rotating shaft along a first direction; one end of the pressure spring is abutted against one side of the rotating plate opposite to the contact block, and the other end of the pressure spring is fixedly arranged; one side of the rotating plate is connected with a small magnet; the high-precision magnetic switch is arranged on one side of the rotating plate, the high-precision magnetic switch is arranged on one side, back to the contact block, of the small magnet, and a first distance is reserved between the small magnet and the high-precision magnetic switch. The utility model discloses compact structure, low cost, the application is strong, and positioning accuracy is high, and designability is strong.
Description
Technical Field
The utility model relates to a technical field in the engineering survey field especially relates to a draw gear's high accuracy travel switch structure.
Background
Engineering survey includes various survey tasks performed during the survey, design, construction and management phases of the engineering construction. The method not only relates to the construction quality of engineering construction, but also is a safety key means for controlling the engineering construction. The quality of measurement is measured, and there are three technical indexes: accuracy, precision and precision. The current engineering measurement is performed by professional technicians using professional measuring equipment. However, manual operation and fatigue of people during measurement work inevitably cause problems of manual error, poor real-time performance and the like. With the development of automation technology, various full-automatic manpowered measuring devices or robots are receiving wide attention due to the advantages of high measuring frequency, high measuring precision and the like.
The traction type measuring robot adopts a steel wire rope or a special cable traction sensor (a water level sensor and an inclinometer) to reach a specified spatial position and measures. In addition to the accuracy of the sensor itself, the accuracy control of the zero point position is crucial. The travel switch is a common small-current master control electrical appliance, and a contact of the travel switch is operated by utilizing the collision of a mechanical moving part to realize the connection or disconnection of a control circuit. Thus, such travel switches are used to limit the position or travel of mechanical movement. However, in the traction type measuring robot, a high-precision stroke switch structure does not have a proper solution.
The prior art has many defects: 1. the existing travel switch is generally large in size and poor in designability; 2. there is no travel switch arrangement in a suitable traction device; 3. the zero point triggering has poor control precision and repeatability.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a draw gear's high accuracy travel switch structure.
In order to realize the purpose, the utility model discloses the technical scheme who takes does:
a high-precision travel switch structure of a traction device comprises:
the contact block is connected with a traction rope, at least one part of the traction rope is arranged along a first direction, and the traction rope pulls the contact block to move along the first direction;
the contact block can operably push the rotating plate to rotate by taking one end of the rotating plate as a rotating shaft along the first direction;
one end of the pressure spring is abutted against one side of the rotating plate opposite to the contact block, and the other end of the pressure spring is fixedly arranged;
one side of the rotating plate is connected with the small magnet;
the high-precision magnetic switch is arranged on one side of the rotating plate, the high-precision magnetic switch is arranged on one side, back to the contact block, of the small magnet, and a first distance is reserved between the small magnet and the high-precision magnetic switch.
The high-precision travel switch structure of the traction device further comprises: the flat-pad bolt, the left fixed plate and the right fixed plate are all installed on the bottom plate, two sides of one end of the rotating plate are respectively and rotatably connected with the left fixed plate and the right fixed plate, and the other end of the pressure spring abuts against the flat-pad bolt.
In the above-described high-precision travel switch structure of the traction device, the rotation plate includes: the contact structure comprises a first plate-shaped structure, a second plate-shaped structure and a third plate-shaped structure, wherein the first plate-shaped structure and the third plate-shaped structure are arranged along the same direction, the second plate-shaped structure is connected with the first plate-shaped structure and the third plate-shaped structure, the first plate-shaped structure is arranged on one side, opposite to the contact block, of the bottom plate, the third plate-shaped structure is arranged on one side, opposite to the contact block, of the bottom plate, and the left fixing plate and the right fixing plate are respectively connected with the third plate-shaped structure.
In the high-precision travel switch structure of the traction device, a groove body is formed in the bottom plate, the second plate-shaped structure penetrates through the groove body, and the size of the groove body is larger than that of the second plate-shaped structure.
The high-precision travel switch structure of the traction device further comprises: the fixed plate is raised to the Z type, the fixed plate is raised to the Z type and is installed on the bottom plate, high accuracy magnetic switch installs on the fixed plate is raised to the Z type.
According to the high-precision travel switch structure of the traction device, the base plate is provided with the first through hole, and the traction rope penetrates through the first through hole.
In the high-precision travel switch structure of the traction device, the first plate-shaped structure is provided with a second through hole, the second through hole is opposite to the first through hole in the first direction, and the traction rope penetrates through the second through hole.
The high-precision travel switch structure of the traction device is characterized in that the left fixing plate and the right fixing plate both comprise: the base is fixedly connected with the bottom plate, the base is rotatably connected with the clamping part through the rotating shaft, and the clamping part is detachably connected with the third plate-shaped structure.
Foretell draw gear's high accuracy travel switch structure, wherein, the fixed plate is raised to the Z type the left side fixed plate with the right side fixed plate adopts stainless steel sheet metal component.
The utility model discloses owing to adopted above-mentioned technique, make it compare the positive effect that has with prior art and be:
(1) the utility model is used for zero point position among the location draw gear, compact structure, low cost, the application is strong, and positioning accuracy is high, and good reproducibility is designable strong.
Drawings
Fig. 1 is a schematic view of a first view angle of the high-precision travel switch structure of the traction device of the present invention.
Fig. 2 is a schematic diagram of a second view angle of the high-precision travel switch structure of the traction device of the present invention.
Fig. 3 is a schematic diagram of a third view angle of the high-precision travel switch structure of the traction device of the present invention.
In the drawings: 110. a Z-shaped lifting fixing plate; 120. a high-precision magnetic switch; 130. a small magnet; 210. a rotating plate; 220. a left fixing plate; 221. a right fixing plate; 310. a flat washer bolt; 320. a pressure spring; 410. a base plate; 510. a hauling rope; 520. and a contact block.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and specific embodiments, but not limiting the present invention, and fig. 1 is a schematic view of a first view angle of a high-precision travel switch structure of a traction device according to the present invention; fig. 2 is a schematic view of a second view angle of the high-precision travel switch structure of the traction device of the present invention; fig. 3 is a schematic diagram of a third view angle of the high-precision travel switch structure of the traction device of the present invention, which is shown in fig. 1 to 3, and illustrates a high-precision travel switch structure of the traction device of a preferred embodiment, including: the high-precision magnetic switch comprises a contact block 520, a rotating plate 210, a pressure spring 320, a small magnet 130 and a high-precision magnetic switch 120, wherein the contact block 520 is connected with a traction rope 510, at least one part of the traction rope 510 is arranged along a first direction, and the traction rope 510 pulls the contact block 520 to move along the first direction; one end of the rotating plate 210 is rotatably disposed, the other end of the rotating plate 210 is disposed at one side of the contact block 520, and the contact block 520 operably pushes the rotating plate 210 to rotate about the one end of the rotating plate 210 as a rotating shaft along a first direction; one end of the pressure spring 320 is abutted against one side of the rotating plate 210 opposite to the contact block 520, and the other end of the pressure spring 320 is fixedly arranged; one side of the rotating plate 210 is connected with a small magnet 130; the high-precision magnetic switch 120 is disposed on one side of the rotating plate 210, the high-precision magnetic switch 120 is disposed on one side of the small magnet 130 opposite to the contact block 520, and a first distance is formed between the small magnet 130 and the high-precision magnetic switch 120.
In a preferred embodiment, the high precision magnetic switch 120 is model D-M9N.
Specifically, the initial position of the high-precision magnetic switch 120 is used as a trigger signal of the zero point position; the small magnet 130 is used for triggering the high-precision magnetic switch 120;
it is noted that the contact block 520 moves as the pull cord 510 is retracted and the speed of movement of the contact block 520 and at least a portion of the pull cord 510 in the first direction is the same.
In a preferred embodiment, the method further comprises: the left fixing plate 220, the right fixing plate 221, the bottom plate 410 and the flat bolt 310 are all installed on the bottom plate 410, the flat bolt 310, the left fixing plate 220 and the right fixing plate 221 are all installed on the bottom plate 410, two sides of one end of the rotating plate 210 are rotatably connected with the left fixing plate 220 and the right fixing plate 221 respectively, and the other end of the pressure spring 320 abuts against the flat bolt 310.
In a preferred embodiment, as shown in fig. 1, the screw portion of the flat bolt 310 extends through the compression spring 320, and one end of the compression spring 320 abuts against the rotating plate 210 and the other end abuts against the flat bolt 310, so that the rotating plate 210 is returned to its original position after being triggered.
In a preferred embodiment, the rotating plate 210 includes: the first plate-shaped structure and the third plate-shaped structure are arranged along the same direction, the second plate-shaped structure is connected with the first plate-shaped structure and the third plate-shaped structure, the first plate-shaped structure is arranged on one side, opposite to the contact block 520, of the bottom plate 410, the third plate-shaped structure is arranged on one side, opposite to the contact block 520, of the bottom plate 410, and the left fixing plate 220 and the right fixing plate 221 are connected with the third plate-shaped structure respectively.
In a preferred embodiment, the bottom plate 410 is provided with a slot, the second plate-like structure penetrates through the slot, and the size of the slot is larger than that of the second plate-like structure.
The above is merely an example of the preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The utility model discloses still have following embodiment on above-mentioned basis:
the utility model discloses a further embodiment, still include: the fixed plate 110 is raised to the Z type, and the fixed plate 110 is raised to the Z type is installed on bottom plate 410, and high accuracy magnetic switch 120 is installed on the fixed plate 110 is raised to the Z type.
As shown in fig. 3, the Z-shaped elevation fixing plate 110 provides a height for the high-precision magnetic switch 120 to cooperate with the small magnet 130.
In a further embodiment of the present invention, a first through hole is provided on the bottom plate 410, and the pulling rope 510 is penetrated through the first through hole.
In a further embodiment of the present invention, the first plate-like structure has a second through hole, the second through hole is opposite to the first through hole in the first direction, and the pulling rope 510 runs through the second through hole.
In a further embodiment of the present invention, the left fixing plate 220 and the right fixing plate 221 both include: base, pivot and clamping part, base and bottom plate 410 fixed connection, base and clamping part are rotationally connected through the pivot, and clamping part and third plate structure detachably connect.
The utility model discloses a further embodiment, fixed plate 110, left fixed plate 220 and right fixed plate 221 are raised to the Z type adopt the stainless steel sheet metal component.
In a preferred embodiment, the contact block 520 fixed to the pulling rope 510 moves along with the winding (winding) until returning to the zero position, which drives the rotating plate 210 of the rotating structure back. At this time, the small magnet 130 on the rotating plate 210 moves therewith, triggering the high-precision magnetic switch 120. The trigger signal of the magnetic switch is immediately fed back to the device to stop the device from moving. When the device is paid off, the contact block 520 on the pull cord 510 moves down with it, disengaging the swivel plate 210. At this time, the rotating plate 210 returns to the original position by the urging force of the pressing spring 320. The small magnet 130 on the rotating plate 210 moves back to the initial position, and the high-precision magnetic switch 120 is deactivated.
In a preferred embodiment, the position of the small magnet 130 needs to be adjusted during actual use, and the magnetic switch is not activated in the initial position, but can be activated after moving with the rotating plate 210.
In a preferred embodiment, the pushing force of the compression spring 320 needs to be sufficient during actual use, and can be adjusted by the elastic coefficient or the initial pressing amount of the compression spring 320.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (9)
1. A high accuracy travel switch structure of a traction device, comprising:
the contact block is connected with a traction rope, at least one part of the traction rope is arranged along a first direction, and the traction rope pulls the contact block to move along the first direction;
the contact block can operably push the rotating plate to rotate by taking one end of the rotating plate as a rotating shaft along the first direction;
one end of the pressure spring is abutted against one side of the rotating plate opposite to the contact block, and the other end of the pressure spring is fixedly arranged;
one side of the rotating plate is connected with the small magnet;
the high-precision magnetic switch is arranged on one side of the rotating plate, the high-precision magnetic switch is arranged on one side, back to the contact block, of the small magnet, and a first distance is reserved between the small magnet and the high-precision magnetic switch.
2. The high precision limit switch structure of a traction device as set forth in claim 1, further comprising: the flat-pad bolt, the left fixed plate and the right fixed plate are all installed on the bottom plate, two sides of one end of the rotating plate are respectively and rotatably connected with the left fixed plate and the right fixed plate, and the other end of the pressure spring abuts against the flat-pad bolt.
3. The high precision limit switch structure of a traction device as set forth in claim 2, wherein the rotation plate includes: the contact structure comprises a first plate-shaped structure, a second plate-shaped structure and a third plate-shaped structure, wherein the first plate-shaped structure and the third plate-shaped structure are arranged along the same direction, the second plate-shaped structure is connected with the first plate-shaped structure and the third plate-shaped structure, the first plate-shaped structure is arranged on one side, opposite to the contact block, of the bottom plate, the third plate-shaped structure is arranged on one side, opposite to the contact block, of the bottom plate, and the left fixing plate and the right fixing plate are respectively connected with the third plate-shaped structure.
4. The high-precision travel switch structure of the traction device as claimed in claim 3, wherein a slot is formed in the bottom plate, the second plate-shaped structure penetrates through the slot, and the size of the slot is larger than that of the second plate-shaped structure.
5. The high precision limit switch structure of a traction device according to claim 2, further comprising: the fixed plate is raised to the Z type, the fixed plate is raised to the Z type and is installed on the bottom plate, high accuracy magnetic switch installs on the fixed plate is raised to the Z type.
6. A high-precision travel switch structure of a traction device as claimed in claim 3, wherein the bottom plate is provided with a first through hole, and the traction rope penetrates through the first through hole.
7. The high-precision travel switch structure of the traction device as defined in claim 6, wherein the first plate-like structure is provided with a second through hole, the second through hole is opposite to the first through hole in the first direction, and the traction rope passes through the second through hole.
8. The high-precision travel switch structure of a traction device according to claim 3, wherein the left fixing plate and the right fixing plate each comprise: the base is fixedly connected with the bottom plate, the base is rotatably connected with the clamping part through the rotating shaft, and the clamping part is detachably connected with the third plate-shaped structure.
9. The high-precision travel switch structure of the traction device according to claim 5, wherein the Z-shaped lifting fixing plate, the left fixing plate and the right fixing plate are made of stainless steel sheet metal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586965.3U CN217134275U (en) | 2022-03-17 | 2022-03-17 | High-precision travel switch structure of traction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220586965.3U CN217134275U (en) | 2022-03-17 | 2022-03-17 | High-precision travel switch structure of traction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134275U true CN217134275U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220586965.3U Active CN217134275U (en) | 2022-03-17 | 2022-03-17 | High-precision travel switch structure of traction device |
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| Country | Link |
|---|---|
| CN (1) | CN217134275U (en) |
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- 2022-03-17 CN CN202220586965.3U patent/CN217134275U/en active Active
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Effective date of registration: 20231219 Address after: 200120, Building 1, No. 498 Guo Shoujing Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: SHANGHAI MEDO MEASUREMENT AND CONTROL SCIENCE & TECHNOLOGY CO.,LTD. Patentee after: Shanghai Bitu Measurement and Control New Technology Research Co.,Ltd. Address before: 200120 Pudong New Area, Shanghai, China (Shanghai) free trade trial area, No. 3, 1 1, Fang Chun road. Patentee before: SHANGHAI MEDO MEASUREMENT AND CONTROL SCIENCE & TECHNOLOGY CO.,LTD. |