CN215479382U - Ascending and descending limiting device of lifting point - Google Patents
Ascending and descending limiting device of lifting point Download PDFInfo
- Publication number
- CN215479382U CN215479382U CN202122067121.6U CN202122067121U CN215479382U CN 215479382 U CN215479382 U CN 215479382U CN 202122067121 U CN202122067121 U CN 202122067121U CN 215479382 U CN215479382 U CN 215479382U
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- Prior art keywords
- microswitch
- descending
- lifting
- terylene
- piece
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- 230000001174 ascending effect Effects 0.000 title claims description 10
- 230000007423 decrease Effects 0.000 claims abstract description 3
- 230000000630 rising effect Effects 0.000 claims abstract description 3
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 48
- 229920004933 Terylene® Polymers 0.000 claims description 30
- 238000009434 installation Methods 0.000 claims description 10
- 238000005498 polishing Methods 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 4
- 229920004934 Dacron® Polymers 0.000 description 18
- 230000000694 effects Effects 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The utility model relates to a lifting and descending limiting device of a lifting point, which is used in the technical fields of large-scale conference systems, large-scale exhibition and exhibition systems, television station studios, hotel multi-function halls, various stage lighting and sound systems and the like, and particularly relates to the lifting and descending limiting device of the lifting point. This rising and decline stop device of lift hoisting point, simple structure, convenient operation, low cost, adaptability is stronger, can accurate control equipment's stroke scope to the security of equipment is higher, long service life.
Description
Technical Field
The utility model relates to a lifting and descending limiting device of a lifting point, which is used in the technical fields of large-scale conference systems, large-scale exhibition systems, television station studios, multi-functional hotels, various stage lighting and sound systems and the like, in particular to the lifting and descending limiting device of the lifting point.
Background
At present, the intelligent and digital multimedia era is entered, various types of performances and performances are frequently generated, and a plurality of stage lighting, sound equipment and other equipment need to be replaced and maintained. In these high-end performance sites, most of the equipment is suspended at a high position above the ground, and the arrangement of various equipment needs to be beautiful and harmonious. Under these circumstances, the traditional method, namely, manually installing and debugging stage equipment such as projectors, lights, sounds and the like through an aerial ladder or a scaffold, is not only difficult to operate and messy in wiring, but also very unsafe.
To above circumstances, some companies have researched and developed the lift hoisting point to satisfy above-mentioned demand, and this kind of neotype lift system can descend the lifting truss of carry equipment to near ground, safe convenient installation and maintenance equipment when installing and maintaining stage equipment. But the difficult problems are also relatively caused, and the limit system on the hoisting point cannot meet the requirements of accurate positioning and safety.
At present, the equipment movement is often required to be limited in stroke in engineering equipment, the device is guaranteed to move in a certain range, and the equipment is moved to a fixed position and does not exceed the stroke range. Most of the limiting devices in the market are imported from foreign countries, which are expensive, complex in structure and easy to damage, and therefore, a device for limiting the ascending and descending of idle equipment is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a lifting and descending limiting device of a lifting point, which is used for solving the technical problems that most of limiting devices in the market are imported from foreign countries, not only has higher price, but also has complex structure and is easy to damage.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a rising and decline stop device of lift hoisting point, includes the installation shell, the inside of installation shell is provided with the reel, the surface of reel is provided with the dacron suspender, the bottom of dacron suspender is provided with spacing adjustment piece, the bottom of installation shell inner wall is provided with first micro-gap switch, one side of first micro-gap switch is provided with first spacing trigger piece, the top of installation shell inner wall is provided with second micro-gap switch, one side of second micro-gap switch is provided with the spacing trigger piece of second, the one end of the spacing trigger piece of second is provided with the plectrum, one side that the plectrum is close to the installation shell is provided with the coil spring, the bottom of installation shell inner wall is provided with the third micro-gap switch, one side of third micro-gap switch is provided with anti-reverse trigger piece.
The utility model is further configured to: one end of the terylene sling far away from the reel is fixedly connected with an installation lifting ring.
The utility model is further configured to: one end, far away from the shifting sheet, of the second limiting trigger sheet is arranged at the top of the polyester sling and is in contact with the polyester sling.
Through adopting above-mentioned technical scheme, through setting up first spacing trigger piece, after the motor drives the reel and rotates and cause the dacron suspender to rise to a certain position, spacing adjustment sheet touches first limit trigger piece, and first limit trigger piece touches first micro-gap switch, and equipment rises and stops, the device simple structure, convenient operation, low cost, adaptability is stronger, can accurate controlgear's stroke scope to the security of equipment is higher, long service life.
The utility model is further configured to: the anti-reverse touch sheet is arranged on one side, far away from the first microswitch, of the terylene hanging strip.
By adopting the technical scheme, the anti-reverse-rotation touch piece is arranged, when the motor drives the reel to rotate to enable the terylene hanging strip to fall to a certain position, the thickness of the terylene hanging strip on the reel is reduced, namely the terylene hanging strip on the reel becomes thinner, due to the arrangement of the coil spring and the shifting piece, the shifting piece toggles the second limit touch piece to touch the second microswitch due to the resetting force of the coil spring, the equipment falls to stop, if the second microswitch is out of order, the reel continues to rotate, the terylene hanging strip can trigger the anti-reverse-rotation touch piece on one side, far away from the first microswitch, the anti-reverse-rotation touch piece triggers the third microswitch, the equipment is forced to stop, the protection effect on the device is effectively enhanced, the safety of the equipment is effectively improved, and the service life of the equipment is effectively prolonged.
The utility model is further configured to: the outer surface of the second limit trigger piece is subjected to polishing treatment.
Through adopting above-mentioned technical scheme, through the surface with the spacing trigger piece of second through polishing treatment, the effectual friction that has reduced between spacing trigger piece of second and the dacron suspender to the friction damage of effectual dacron suspender, and then the effectual life who prolongs the dacron suspender.
In conclusion, the beneficial technical effects of the utility model are as follows:
1. according to the device for limiting equipment to stop ascending, the anti-reverse touch piece is arranged, when the motor drives the reel to rotate so that the terylene hanging strip descends to a certain position, the thickness of the terylene hanging strip on the reel is reduced, namely the terylene hanging strip on the reel becomes thinner, due to the arrangement of the coil spring and the shifting piece, the shifting piece toggles the second limiting touch piece due to the resetting force of the coil spring to touch the second microswitch, the equipment descends to stop, if the second microswitch fails, the reel continues to rotate, the terylene hanging strip can trigger the anti-reverse touch piece on one side, away from the first microswitch, of the terylene hanging strip at the moment, and the anti-reverse touch piece triggers the third microswitch, so that the equipment forcibly stops, the protection effect on the device is effectively enhanced, the safety of the equipment is effectively improved, and the service life of the equipment is effectively prolonged;
2. this limit is equipped with device that rises and stops, through setting up first spacing trigger piece, drive the reel and rotate when the motor and cause the dacron suspender to rise to a certain position after, spacing adjustment piece touches first limit trigger piece, first limit trigger piece touches first micro-gap switch, the equipment rises and stops, the device simple structure, high durability and convenient operation, therefore, the carrier wave prepaid electric energy meter is low in cost, adaptability is stronger, can accurate controlgear's stroke scope, and the security of equipment is higher, long service life, through the surface process polishing treatment with the spacing trigger piece of second, the effectual friction that has reduced between spacing trigger piece of second and the dacron suspender, thereby the friction damage of effectual dacron suspender, and then the effectual life who prolongs the dacron suspender.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic diagram of the structure of FIG. 2 at B in accordance with the present invention;
fig. 5 is a schematic diagram of the structure of fig. 2 at C according to the present invention.
In the figure: 1. installing a shell; 2. a reel; 3. a terylene sling; 301. installing a hanging ring; 4. a limit adjusting sheet; 5. a first microswitch; 6. a first limit trigger piece; 7. a second microswitch; 8. a second limit trigger piece; 9. a shifting sheet; 10. a coil spring; 11. a third microswitch; 12. prevent the anti-contrarotation touch-control piece.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1-3, the device for limiting the device to stop ascending disclosed by the utility model comprises a mounting shell 1, a reel 2 is arranged in the mounting shell 1, a terylene hanging strip 3 is arranged on the outer surface of the reel 2, a limiting adjusting sheet 4 is arranged at the bottom of the terylene hanging strip 3, a first micro switch 5 is arranged at the bottom of the inner wall of the mounting shell 1, and a first limiting trigger sheet 6 is arranged at one side of the first micro switch 5, in the embodiment, the device is mounted at the top of a ceiling for use, namely, the device is hidden between the ceiling and a roof, through the arrangement of the first limiting trigger sheet 6, when the reel 2 is driven by a motor to rotate so that the terylene hanging strip 3 ascends to a certain position, the limiting adjusting sheet 4 triggers the first limiting trigger sheet, the first limiting trigger sheet touches the first micro switch 5, the device stops ascending, and the device has a simple structure, the device has the advantages of convenience in operation, low cost, strong adaptability, capability of accurately controlling the stroke range of the device, higher safety of the device and long service life.
Referring to fig. 2, 4 and 5, a second microswitch 7 is arranged at the top of the inner wall of the mounting shell 1, a second limit trigger piece 8 is arranged at one side of the second microswitch 7, a plectrum 9 is arranged at one end of the second limit trigger piece 8, a coil spring 10 is arranged at one side of the plectrum 9 close to the mounting shell 1, a third microswitch 11 is arranged at the bottom of the inner wall of the mounting shell 1, an anti-reverse trigger piece 12 is arranged at one side of the third microswitch 11, in the embodiment, by arranging the anti-reverse trigger piece 12, when the motor drives the reel 2 to rotate so that the terylene suspender 3 descends to a certain position, the thickness of the terylene suspender 3 on the reel 2 is reduced, namely the terylene suspender 3 on the reel 2 becomes thinner, due to the arrangement of the coil spring 10 and the plectrum 9, the plectrum 9 stirs the second limit trigger piece 8 to trigger the reset force of the coil spring 10 to trigger the second microswitch 7, the descending of the equipment stops, if second micro-gap switch 7 is out of order, then the hinge wheel continues to rotate, dacron suspender 3 can trigger its anti-reversion trigger piece of keeping away from first micro-gap switch 5 one side at this moment, anti-reversion trigger piece touches third micro-gap switch 11, cause equipment to stop by force, thereby the effectual protection effect to the device that has strengthened, and the effectual security that promotes this equipment, and then the effectual life who prolongs this equipment, through the surface through with the spacing trigger piece 8 of second through polishing treatment, the effectual friction that reduces between the spacing trigger piece 8 of second and dacron suspender 3, thereby effectual dacron suspender 3's friction damage, and then the effectual life who prolongs dacron suspender 3, and all micro-gap switches in this embodiment all adopt ohm dragon switch.
One end of the terylene sling 3 far away from the reel 2 is fixedly connected with a mounting lifting ring 301.
One end of the second limit trigger piece 8, which is far away from the shifting piece 9, is arranged at the top of the terylene hanging strip 3 and is contacted with the terylene hanging strip 3.
The anti-reverse touch sheet 12 is arranged on one side of the terylene hanging strip 3 far away from the first microswitch 5.
The outer surface of the second limit trigger piece 8 is subjected to polishing treatment.
The implementation principle of the embodiment is as follows: by arranging the anti-reverse-rotation touch piece 12, when the motor drives the reel 2 to rotate so that the terylene hanging strip 3 descends to a certain position, the thickness of the terylene hanging strip 3 on the reel 2 is reduced, namely the terylene hanging strip 3 on the reel 2 becomes thinner, due to the arrangement of the coil spring 10 and the plectrum 9, the plectrum 9 pulls the second limit touch piece 8 to touch the second microswitch 7 due to the resetting force of the coil spring 10, the equipment descends and stops, if the second microswitch 7 fails, the reel continues to rotate, the terylene hanging strip 3 can trigger the anti-reverse-rotation touch piece at the side far away from the first microswitch 5, the anti-reverse-rotation touch piece triggers the third microswitch 11 to forcibly stop the equipment, so that the protection effect on the device is effectively enhanced, the safety of the equipment is effectively improved, the service life of the equipment is effectively prolonged, and by arranging the first limit touch piece 6, after the motor drives 2 rotations of hank wheel and causes dacron suspender 3 to rise to a certain position, spacing adjustment sheet 4 touches first limit and triggers the piece, first micro-gap switch 5 is touched to first limit trigger piece, the equipment rises and stops, the device simple structure, high durability and convenient operation, low cost, adaptability is stronger, the stroke scope that can accurate controlgear, and the security of equipment is higher, long service life, through processing the surface of the spacing trigger piece 8 of second through polishing, the effectual friction that has reduced between the spacing trigger piece 8 of second and the dacron suspender 3, thereby effectual dacron suspender 3's friction damage, and then the effectual life who prolongs dacron suspender 3, therefore the device has certain practicality.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (5)
1. The utility model provides a rising and decline stop device of lift hoisting point, is including installation shell (1), its characterized in that: a reel (2) is arranged in the mounting shell (1), a terylene hanging strip (3) is arranged on the outer surface of the reel (2), the bottom of the terylene sling (3) is provided with a limit adjusting sheet (4), the bottom of the inner wall of the mounting shell (1) is provided with a first microswitch (5), a first limit trigger sheet (6) is arranged on one side of the first microswitch (5), the top of the inner wall of the mounting shell (1) is provided with a second microswitch (7), a second limit trigger sheet (8) is arranged on one side of the second microswitch (7), one end of the second limit trigger piece (8) is provided with a shifting piece (9), one side of the shifting piece (9) close to the mounting shell (1) is provided with a coil spring (10), the bottom of the inner wall of the mounting shell (1) is provided with a third microswitch (11), and one side of the third microswitch (11) is provided with an anti-reverse touch sheet (12).
2. The ascending and descending limiting device of a lifting and descending hanging point according to claim 1, wherein: one end of the terylene hanging strip (3) far away from the reel (2) is fixedly connected with an installation hanging ring (301).
3. The ascending and descending limiting device of a lifting and descending hanging point according to claim 1, wherein: one end, far away from the shifting sheet (9), of the second limiting trigger sheet (8) is arranged at the top of the polyester sling (3) and is in contact with the polyester sling (3).
4. The ascending and descending limiting device of a lifting and descending hanging point according to claim 1, wherein: the anti-reverse touch piece (12) is arranged on one side, far away from the first microswitch (5), of the terylene hanging strip (3).
5. The ascending and descending limiting device of a lifting and descending hanging point according to claim 1, wherein: the outer surface of the second limit trigger sheet (8) is subjected to polishing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067121.6U CN215479382U (en) | 2021-08-28 | 2021-08-28 | Ascending and descending limiting device of lifting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122067121.6U CN215479382U (en) | 2021-08-28 | 2021-08-28 | Ascending and descending limiting device of lifting point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215479382U true CN215479382U (en) | 2022-01-11 |
Family
ID=79765955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122067121.6U Expired - Fee Related CN215479382U (en) | 2021-08-28 | 2021-08-28 | Ascending and descending limiting device of lifting point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215479382U (en) |
-
2021
- 2021-08-28 CN CN202122067121.6U patent/CN215479382U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220111 |