CN210103285U - Be used for balanced lifting by crane special lifting device of precast concrete multiple spot - Google Patents
Be used for balanced lifting by crane special lifting device of precast concrete multiple spot Download PDFInfo
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- CN210103285U CN210103285U CN201920789299.1U CN201920789299U CN210103285U CN 210103285 U CN210103285 U CN 210103285U CN 201920789299 U CN201920789299 U CN 201920789299U CN 210103285 U CN210103285 U CN 210103285U
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- 239000011178 precast concrete Substances 0.000 title description 2
- 239000004567 concrete Substances 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
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Abstract
The utility model discloses a be used for concrete prefab multiple spot balance to lift by crane special lifting device, including lifting by crane the hook, the hoist crossbeam, a plurality of fixed pins and flexible coupling, lifting by crane the hook and hanging and being connected with the upper end of hoist crossbeam, a plurality of fixed pins distribute in proper order on the hoist crossbeam, dispose a removable pin between per two adjacent fixed pins, the one end of flexible coupling is connected with the fixed pin of leftmost end, the other end of flexible coupling is walked around removable pin and middle part region's fixed pin in proper order to be connected with the fixed pin of rightmost end, all be connected with the hoist lifting hook on every removable pin. The multi-point self-balancing hoisting of the prefabricated part is realized, the hoisting quality is ensured, the production cost is reduced, and the installation quality of the prefabricated part is improved.
Description
Technical Field
The utility model relates to a building engineering technical field, concretely relates to be used for concrete prefab multiple spot balance to lift by crane special lifting device.
Background
In prefabricated buildings, the lifting of the prefabricated elements is a critical point in determining the quality of the prefabricated elements. If the hooks that contact the preform during lifting are not simultaneously stressed, the imbalance in the lifting will allow the entire weight to be borne by a portion of the load bearing points, resulting in irreversible damage to the preform, or direct cracking at the lifting points that damages the preform. The utility model discloses be exactly be used for solving prefabricated component multiple spot balance and lift by crane, guarantee the quality of lifting by crane.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide one kind and be used for the balanced special lifting device that lifts by crane of precast element multiple spot, realize that the self-balancing of precast element multiple spot lifts by crane, guarantee the quality of lifting by crane, reduction in production cost improves precast element installation quality.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
the utility model provides a be used for concrete prefabricated member multiple spot balance to lift by crane special lifting device, hang including the lifting hook, the hoist crossbeam, a plurality of fixed pins and flexible coupling, the lifting hook hangs and is connected with the upper end of hoist crossbeam, a plurality of fixed pins distribute in proper order on the hoist crossbeam, dispose a removable pin between every two adjacent fixed pins, the one end of flexible coupling is connected with the fixed pin of leftmost end, the other end of flexible coupling is walked around the fixed pin of removable pin and middle part region in proper order, and be connected with the fixed pin of rightmost end, all be connected with the hoist lifting hook on every removable pin.
According to the technical scheme, the lifting hook of the hook prefabricated part is connected to the lifting hook of the lifting hook, the lifting hook of the lifting hook connected to the movable pin is flexible, and the lifting hooks are arranged at two ends of the lifting hook.
According to the technical scheme, the number of the hooks of the hook prefabricated part is 2-8.
According to the technical scheme, the flexible connection is a steel wire rope, a lifting chain or a lifting belt.
According to the technical scheme, 2 hangers are symmetrically arranged at the upper end of the lifting appliance beam, and the lifting hook hanger is connected with the 2 hangers through the steel wire rope.
According to the technical scheme, the channel is arranged on the lifting appliance cross beam along the length direction, the fixing pin in the middle area is arranged on the channel, and the flexible connection can slide along the channel.
According to the technical scheme, the fixing pin of the middle area is provided with a locking screw or a locking pin and is used for dismounting or mounting the fixing pin of the middle area.
According to the above technical solution, the fixing pin in the middle area is a fixing pin in an area between the leftmost fixing pin and the rightmost fixing pin.
According to the technical scheme, the number of the fixed pins is 3-8, and the number of the movable pins is one less than that of the fixed pins.
The utility model discloses following beneficial effect has:
the utility model is used for among the building engineering, be particularly useful for the assembly type structure work progress, realize that the self-balancing of prefabricated component multiple spot lifts by crane, guarantee the quality of lifting by crane, the self-balancing mode need not other power, reduction in production cost improves prefabricated component installation quality.
Drawings
FIG. 1 is a schematic structural diagram of a special lifting appliance for multipoint balance lifting of a concrete prefabricated member in an embodiment of the present invention;
in the figure, 1-lifting hook, 2-spreader beam, 3-spreader hook, 4-hook preform hook, 21-first fixed pin, 22-second fixed pin, 23-third fixed pin, 24-fourth fixed pin, 25-fifth fixed pin, 26-sixth fixed pin, 31-first movable pin, 32-second movable pin, 33-third movable pin, 34-fourth movable pin, 35-fifth movable pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1, the utility model provides an embodiment is used for concrete prefab multiple spot balance to lift by crane special lifting device, including lifting by crane hook 1, hoist crossbeam 2, a plurality of fixed pins and flexible coupling, lifting by crane hook 1 is connected with the upper end of hoist crossbeam 2, a plurality of fixed pins evenly distributed is in proper order on hoist crossbeam 2, dispose a loose pin between per two adjacent fixed pins, the one end of flexible coupling is connected with the fixed pin of leftmost end, the other end of flexible coupling is walked around loose pin and middle part region's fixed pin in proper order, and be connected with the fixed pin of rightmost end, all be connected with hoist lifting hook 3 on every loose pin.
Further, be connected with hook prefab lifting hook 4 on the hoist lifting hook 3, the hoist lifting hook 3 of connecting on the activity round pin is the flexibility, and both ends all have the lifting hook.
Further, the number of hook preform hooks 4 is 2-8.
Further, the flexible connection is a steel wire rope, a lifting chain or a lifting belt.
Further, 2 hangers are symmetrically arranged at the upper end of the lifting appliance beam 2, and the lifting hook hanger 1 is connected with the 2 hangers through steel wire ropes.
Further, a channel is arranged on the lifting appliance cross beam 2 along the length direction, a fixing pin in the middle area is arranged on the channel, and the flexible connection can slide along the channel.
Further, the channel includes a rail or a slide.
Furthermore, the fixing pin of the middle area is provided with a locking screw or a locking pin for dismounting or mounting the fixing pin of the middle area.
Further, the fixing pin of the middle region means a fixing pin of a region between the leftmost fixing pin and the rightmost fixing pin.
Further, the fixed pin corresponds to a fixed pulley, and the movable pin corresponds to a movable pulley.
Furthermore, the number of the fixed pins is 3-8, and the number of the movable pins is one less than that of the fixed pins.
In this embodiment, the number of fixed pins is 6, and the number of movable pins is 5.
The utility model discloses a theory of operation:
the utility model is composed of a lifting hook 1, a spreader beam 2, a spreader hook 3 and a hook prefabricated part hook 4 as shown in figure 1; wherein a first movable pin 31 in flexible connection is arranged between the first fixing pin 21 and the second fixing pin 22, a second movable pin 32 in flexible connection is arranged between the second fixing pin 22 and the third fixing pin 23, a third movable pin 33 in flexible connection is arranged between the third fixing pin 23 and the fourth fixing pin 24, a fourth movable pin 34 in flexible connection is arranged between the fourth fixing pin 24 and the fifth fixing pin 25, and a fifth movable pin 35 in flexible connection is arranged between the fifth fixing pin 25 and the sixth fixing pin 26; the first fixing pin 21 and the sixth fixing pin 26 are fixedly connected, and the rest movable pins are in soft connection; during hoisting, the hoisting points are uniformly distributed below the hoisting device cross beam 2 by taking the middle as the two sides of the base point, the hoisting points are connected with the hook hoisting piece hoisting hooks 4, when the hoisted object inclines, the movable pins automatically adjust balance according to the stress condition on the flexible connection, the hoisted object is prevented from further inclining, and the hoisting quality is ensured.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a be used for concrete prefabricated member multiple spot balance to lift by crane special lifting device, a serial communication port, including the lifting by crane hook, the hoist crossbeam, a plurality of fixed pins and flexible coupling, the lifting by crane hook hangs and is connected with the upper end of hoist crossbeam, a plurality of fixed pins distribute in proper order on the hoist crossbeam, dispose a loose pin between per two adjacent fixed pins, the one end of flexible coupling is connected with the fixed pin of leftmost end, the other end of flexible coupling is walked around the fixed pin of loose pin and middle part region in proper order, and be connected with the fixed pin of rightmost end, all be connected with the hoist lifting hook on every loose pin.
2. The special multi-point balance lifting appliance for the concrete prefabricated parts according to claim 1, wherein hook prefabricated part lifting hooks are connected to lifting appliance lifting hooks, and the lifting appliance lifting hooks are all flexible.
3. The special multi-point balance lifting sling for concrete precast members according to claim 2, wherein the number of hook precast member hooks is 2-8.
4. The special multi-point balance lifting sling for concrete precast members according to claim 1, wherein the flexible connection is a steel wire rope, a lifting chain or a lifting belt.
5. The special multipoint balance lifting sling for concrete precast members according to claim 1, wherein 2 hangers are symmetrically arranged at the upper end of the cross beam of the sling, and the lifting sling hook is connected with the 2 hangers through steel wire ropes.
6. The special multipoint balance lifting sling for concrete precast members according to claim 1, wherein a channel is arranged on the cross beam of the sling along the length direction, and the fixing pin in the middle area is arranged on the channel and can slide along the channel.
7. The special lifting appliance for multipoint balance lifting of concrete precast members according to claim 6, wherein the fixing pin of the middle area is provided with a locking screw or a locking pin for fixing and locking after the fixing pin of the middle area is adjusted and moved to a corresponding position of the channel.
8. The special multipoint balance lifting sling for concrete precast members according to claim 1, 6 or 7, wherein the fixing pin in the middle area is the fixing pin in the area between the leftmost fixing pin and the rightmost fixing pin.
9. The special multipoint balance lifting sling for concrete precast members according to claim 1, wherein the number of the fixed pins is 3-8, and the number of the movable pins is one less than that of the fixed pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789299.1U CN210103285U (en) | 2019-05-28 | 2019-05-28 | Be used for balanced lifting by crane special lifting device of precast concrete multiple spot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789299.1U CN210103285U (en) | 2019-05-28 | 2019-05-28 | Be used for balanced lifting by crane special lifting device of precast concrete multiple spot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103285U true CN210103285U (en) | 2020-02-21 |
Family
ID=69563225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920789299.1U Active CN210103285U (en) | 2019-05-28 | 2019-05-28 | Be used for balanced lifting by crane special lifting device of precast concrete multiple spot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103285U (en) |
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2019
- 2019-05-28 CN CN201920789299.1U patent/CN210103285U/en active Active
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Effective date of registration: 20240123 Granted publication date: 20200221 |
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| PP01 | Preservation of patent right |