CN213387411U - Lifting appliance for net rack ball - Google Patents
Lifting appliance for net rack ball Download PDFInfo
- Publication number
- CN213387411U CN213387411U CN202022071268.8U CN202022071268U CN213387411U CN 213387411 U CN213387411 U CN 213387411U CN 202022071268 U CN202022071268 U CN 202022071268U CN 213387411 U CN213387411 U CN 213387411U
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- CN
- China
- Prior art keywords
- disc
- driving
- bracing piece
- supporting disk
- positioning
- 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.)
- Expired - Fee Related
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- 230000000694 effects Effects 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a hoist for rack ball, locate the cuff on the rack ball including bracing piece, hoist and cover, the cuff passes through wire rope and is connected with the lug, the hoist be fixed in on the bracing piece, wire rope wear to locate in the bracing piece, the bracing piece on be provided with the supporting disk, the supporting disk on seted up a plurality of spouts, the spout on sliding connection have a slider, the middle part of supporting disk rotate and be connected with the driving-disc, the driving-disc pass through stop gear and be connected with the supporting disk, the driving-disc pass through L shape pole and be connected with the slider, the slider be connected with the holding ring that the cover was located on the oblique web member through the stay cord. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization reaches the purpose that promotes the bolt guard action that excels in.
Description
Technical Field
The utility model relates to a hoist for rack ball.
Background
In the construction process of the net rack high-altitude bulk construction method, in order to improve the hoisting construction efficiency, the net rack ball is often hoisted together with four web members, but because the high-strength bolt at the net rack ball joint cannot be bent, the diagonal web member is longer, and when the cross section of the diagonal web member is slightly larger, a larger bending moment is easily formed under the action of self weight, and the high-strength bolt at the ball joint is bent and damaged.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a hoist for rack ball through the rotation driving-disc, makes the slider pass through the stay cord and makes the holding ring toward the direction pulling that is close to the bracing piece, reaches the not flexible damage purpose of messenger's high strength bolt.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a hoist for rack ball, includes bracing piece, hoist and cover and locates the cuff on the rack ball, the cuff passes through wire rope and is connected with the lug, the hoist be fixed in on the bracing piece, wire rope wear to locate in the bracing piece, the bracing piece on be provided with the supporting disk, the supporting disk on seted up a plurality of spouts, the spout on sliding connection have a slider, the middle part of supporting disk rotate and be connected with the driving-disc, the driving-disc pass through stop gear and be connected with the supporting disk, the driving-disc pass through L shape pole and be connected with the slider, the slider be connected with the holding ring of cover on locating the oblique web member through the stay cord.
By adopting the technical scheme, the hoop is sleeved on the net rack ball, the positioning ring is sleeved on the diagonal web member, the driving disc rotates in the forward direction, the L-shaped rod drives the sliding block to move towards the direction close to the supporting rod, and the positioning ring applies a pulling force towards the direction close to the supporting rod to the diagonal web member, so that the pulling force resists the bending moment of the diagonal web member due to the action of gravity, the high-strength bolt is not easy to damage, the driving disc is limited by the limiting mechanism, and the supporting rod can be lifted by the lifting lug; after the positioning ring is transported to a destination, the driving disc is released by the limiting mechanism, and the driving disc rotates reversely, so that the positioning ring is convenient to take down from the inclined web member, and the operation is simple and convenient.
The utility model discloses further set up to: the limiting mechanism comprises limiting holes, positioning holes and positioning rods, the limiting holes are formed in the driving disc and are evenly distributed along the axis of the driving disc, the positioning holes are formed in the supporting disc and correspond to the limiting holes, and the positioning rods penetrate through the limiting holes and then are arranged in the positioning holes.
Through adopting above-mentioned technical scheme, wear to locate in the locating hole after passing spacing hole with the locating lever, make the locating lever contradict with the inner wall in spacing hole, the inner wall of locating hole, make the driving-disc unable rotatory trend that produces, realize the driving-disc location, it is easy and simple to handle.
The utility model discloses further set up to: and a pull ring is fixed at one end of the positioning rod, which is far away from the supporting disk.
Through adopting above-mentioned technical scheme, can be convenient for take the locating lever out from the locating hole through the pull ring.
The utility model discloses further set up to: and a tensioning block is arranged on the inner wall of the positioning ring.
Through adopting above-mentioned technical scheme, make the holding ring can adapt to the diagonal web member of different external diameters, promote the practicality.
The utility model discloses further set up to: the tensioning block is made of rubber.
Through adopting above-mentioned technical scheme, at the in-process of handling, vibrations can be offset because of the cushioning effect of self to the tensioning piece, makes more steadily between oblique web member and the rack ball to can further promote the guard action to high strength bolt.
To sum up, the utility model discloses following beneficial effect has:
sleeving a hoop on a net rack ball, sleeving a positioning ring on an inclined web member, driving an L-shaped rod to drive a sliding block to move towards the direction close to a supporting rod by rotating a driving disc in the forward direction, and applying a pulling force towards the direction close to the supporting rod to the inclined web member by the positioning ring so that the pulling force resists a bending moment generated by the inclined web member due to the action of gravity, so that a high-strength bolt is not easy to damage, limiting the driving disc by a limiting mechanism, and lifting the supporting rod by a lifting lug; after the positioning ring is transported to a destination, the driving disc is released by the limiting mechanism, and the driving disc rotates reversely, so that the positioning ring is convenient to take down from the inclined web member, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Reference numerals: 1. a support bar; 11. a ferrule; 12. lifting lugs; 2. a support disc; 21. a chute; 22. a slider; 3. a drive disc; 31. an L-shaped rod; 4. pulling a rope; 41. a positioning ring; 5. a limiting mechanism; 51. a limiting hole; 52. positioning holes; 53. positioning a rod; 6. a pull ring; 7. a tensioning block; 8. a diagonal web member.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, a sling for a tennis net comprises a support rod 1, a sling and a hoop 11 sleeved on the tennis net.
The hoop 11 is connected with the lifting lug 12 through a steel wire rope, the lifting appliance is fixed at the upper end of the supporting rod 1, and the steel wire rope penetrates through the supporting rod 1. The support bar 1 is arranged vertically. A disc-shaped supporting disc 2 is fixed in the middle of the supporting rod 1, and a plurality of sliding grooves 21 are formed in the supporting disc 2. And a plurality of sliding grooves 21 are uniformly distributed along the axial center of the supporting plate 2. The number of runners 21 corresponds to the number of diagonal web members 8.
Each sliding groove 21 is connected with a sliding block 22 in a sliding mode, and the middle of the supporting disk 2 is rotatably connected with a driving disk 3 through a bearing. An L-shaped lever 31 is arranged between the drive disc 3 and the slider 22. The two ends of the L-shaped rod 31 are respectively hinged with the driving disk 3 and the sliding block 22. The slide block 22 is connected with a positioning ring 41 which is sleeved on the diagonal web member 8 through a pull rope 4. The driving disc 3 is connected with the supporting disc 2 through a limiting mechanism 5.
Establish cuff 11 cover on the rack ball, locate diagonal web member 8 with holding ring 41 cover again, through with driving-disc 3 forward rotation, L shape pole 31 drives slider 22 and removes toward the direction that is close to bracing piece 1, and make holding ring 41 apply the pulling force toward being close to bracing piece 1 direction to diagonal web member 8, make this pulling force resist the moment of flexure that diagonal web member 8 produced because of the action of gravity, so that high strength bolt is not fragile, it is spacing to driving-disc 3 through stop gear 5 then, can lift by crane bracing piece 1 through lug 12. After the transportation to the destination, the limiting mechanism 5 releases the driving disk 3, and the driving disk 3 rotates reversely, so that the positioning ring 41 is conveniently taken down from the inclined web member 8.
The above-described position limiting mechanism 5 includes a position limiting hole 51, a positioning hole 52, and a positioning rod 53. A plurality of limiting holes 51 are formed in the driving disc 3 and are uniformly distributed along the axis of the driving disc 3; the positioning hole 52 is opened on the support plate 2 and corresponds to the limiting hole 51. The positioning rod 53 passes through the positioning hole 52 after passing through the limiting hole 51.
To facilitate the positioning rod 53 to be pulled out from the positioning hole 52, a pull ring 6 is fixed to one end of the positioning rod 53 remote from the support plate 2.
A tensioning block 7 made of rubber is arranged on the inner wall of the positioning ring 41.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a hoist for rack ball, characterized by: locate the cuff on the rack ball including bracing piece, hoist and cover, the cuff passes through wire rope and is connected with the lug, the hoist be fixed in on the bracing piece, wire rope wear to locate in the bracing piece, the bracing piece on be provided with the supporting disk, the supporting disk on seted up a plurality of spouts, the spout on sliding connection have a slider, the middle part of supporting disk rotate and be connected with the driving-disc, the driving-disc pass through stop gear and be connected with the supporting disk, the driving-disc pass through L shape pole and be connected with the slider, the slider be connected with the holding ring of cover on locating the oblique web member through the stay cord.
2. A spreader for a tennis net according to claim 1, wherein: the limiting mechanism comprises limiting holes, positioning holes and positioning rods, the limiting holes are formed in the driving disc and are evenly distributed along the axis of the driving disc, the positioning holes are formed in the supporting disc and correspond to the limiting holes, and the positioning rods penetrate through the limiting holes and then are arranged in the positioning holes.
3. A spreader for a tennis net according to claim 2, wherein: and a pull ring is fixed at one end of the positioning rod, which is far away from the supporting disk.
4. A spreader for a tennis net according to claim 2, wherein: and a tensioning block is arranged on the inner wall of the positioning ring.
5. A spreader for tennis net according to claim 4, wherein: the tensioning block is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022071268.8U CN213387411U (en) | 2020-09-21 | 2020-09-21 | Lifting appliance for net rack ball |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022071268.8U CN213387411U (en) | 2020-09-21 | 2020-09-21 | Lifting appliance for net rack ball |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213387411U true CN213387411U (en) | 2021-06-08 |
Family
ID=76180014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022071268.8U Expired - Fee Related CN213387411U (en) | 2020-09-21 | 2020-09-21 | Lifting appliance for net rack ball |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213387411U (en) |
-
2020
- 2020-09-21 CN CN202022071268.8U patent/CN213387411U/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 |
Granted publication date: 20210608 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |