CN214495425U - Accurate positioner of vertical PC component hoist and mount - Google Patents
Accurate positioner of vertical PC component hoist and mount Download PDFInfo
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- CN214495425U CN214495425U CN202120601594.7U CN202120601594U CN214495425U CN 214495425 U CN214495425 U CN 214495425U CN 202120601594 U CN202120601594 U CN 202120601594U CN 214495425 U CN214495425 U CN 214495425U
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- screw thread
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Abstract
The utility model discloses a lifting device technical field's accurate positioner of vertical PC component hoist and mount, including lug, hoist and mount roof beam, jib, carriage, regulating block, fixing base, regulating spindle length direction both ends are equipped with screw thread respectively and revolve to opposite first screw thread portion, second screw thread portion, and two regulating blocks are the screw thread suit respectively on first screw thread portion, second screw thread portion, and the regulating spindle is by its rotation of rotation drive structure drive to drive two regulating block relative movement, the jib lower extreme is equipped with forward screw thread section, and the screw thread cover is equipped with the spliced pole on the forward screw thread section, and the coaxial reverse screw thread section that is equipped with of spliced pole lower extreme. Through setting up the regulating spindle, when the regulating spindle rotated, two regulating blocks of drive closed with first screw thread portion, second screw thread portion screw thread soon respectively, two carriage relative movement of drive to adjust the interval of two jibs, prior art relatively only needs simple rotation regulating spindle to realize the interval adjustment of two jibs.
Description
Technical Field
The utility model relates to a lifting device technical field specifically is an accurate positioner of vertical PC component hoist and mount.
Background
PC components are concrete products produced by standardized, mechanized processes in factories. The corresponding traditional cast-in-place concrete needs site moulding, site pouring and site maintenance. The concrete prefabricated member is widely applied to the fields of buildings, traffic, water conservancy and the like, and plays an important role in national economy.
Because the sizes of the PC components are different, the sling chains at the lower parts of the hoisting beams need to be adjusted according to different PC components, so that the PC components can be hoisted properly only by keeping the sling chains vertical, and because the positions of the sling chains need to be adjusted, a plurality of connecting holes need to be reserved at the lower parts of the I-shaped steel, so that the sling chains can be manually adjusted in the using process. Through retrieval, Chinese patent No. CN208120543U discloses a clamping type hoisting beam structure for hoisting a PC member, which comprises a hoisting plate, a hoisting head, a movable clamping piece, a hoisting chain, a hoisting nail and a PC member; the top of the hoisting plate is connected to the hoisting head through two chains, one end of the movable clamping piece is clamped on the hoisting plate and slides along the hoisting plate, the other end of the movable clamping piece is connected with a hoisting chain, the hoisting chain is perpendicular to the position between the hoisting plate and the PC component, and the hoisting chain is fixed on the PC component through a hoisting nail. Simple convenient to use will move and realize the joint between fastener and the hoisting plate, ensures the perpendicular of chain sling to the PC component through removing and the location. Thereby avoided beating a plurality of connecting holes on the hoist and mount board, can carry out quick adjustment according to actual need.
When the distance between the hanging chains (consistent with the action of the hanging rods in the application) is adjusted, the hoisting beam in the prior art needs to independently operate the two hanging chains, so that the operation is complicated, in addition, the hanging nails are connected with the PC component in the prior art, the hanging nails are generally connected in the PC component in a threaded mode, when the hanging nails are installed, the hanging nails need to be rotated, the hanging nails are screwed into the PC component, but when the hanging nails rotate, the hanging chains are driven to rotate, so that the following rotation of the hanging chains is caused, if the hanging nails are detachably connected with the hanging chains, when the PC component is hoisted, the hanging nails need to be connected with the hanging chains, the hanging nails are connected with the PC component, further, the operation is complicated, and the hoisting efficiency is influenced.
Based on this, the utility model designs an accurate positioner of vertical PC component hoist and mount to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an accurate positioner of vertical PC component hoist and mount, with the hoist and mount roof beam among the prior art who provides in solving above-mentioned background art when adjusting the interval of chain sling, need carry out the exclusive operation to two chain slings, and then make the operation comparatively loaded down with trivial details, in addition prior art, adopt to hang the nail and be connected with the PC component, it generally connects in the PC component through the screw thread mode to hang the nail, when the nail is hung in the installation, need rotate to hang the nail, will hang in the nail screw thread screw in PC component, but when hanging the nail pivoted, will drive the chain sling and rotate, and then cause the chain sling to follow the commentaries on classics, if will hang the nail and can dismantle with the chain and be connected, make when hoist and mount the PC component, need to hang the nail and be connected with the chain, will hang nail and PC component connection again, and then caused the operation comparatively loaded down with trivial details, the problem of hoist and mount efficiency has been influenced.
In order to achieve the above object, the utility model provides a following technical scheme: a vertical PC component hoisting accurate positioning device comprises a hoisting beam, wherein lifting lugs are arranged at the middle of the hoisting beam, two ends of the hoisting beam in the length direction are respectively provided with a lifting rod, two ends of the hoisting beam in the length direction are respectively and slidably sleeved with a sliding frame, the bottom of the sliding frame is provided with an adjusting block, the middle of the bottom of the hoisting beam is symmetrically provided with two fixed seats along the central line of the middle of the bottom of the hoisting beam, the two fixed seats are jointly and horizontally and rotatably connected with an adjusting shaft, two ends of the adjusting shaft in the length direction are respectively provided with a first threaded part and a second threaded part with opposite thread directions, the two adjusting blocks are respectively and threadedly sleeved on the first threaded part and the second threaded part, the adjusting shaft is driven to rotate by a rotation driving structure so as to drive the two adjusting blocks to relatively move, the lower end of the lifting rod is provided with a forward threaded section, and a connecting column is threadedly sleeved on the forward threaded section, the lower end of the connecting column is coaxially provided with a reverse threaded section, the thread turning directions of the forward threaded section and the reverse threaded section are opposite, and the reverse threaded section is threaded in a prefabricated threaded hole of an external PC component.
Preferably, the rotation driving structure comprises a worm which is horizontally and rotatably connected to the hoisting beam, a worm wheel is sleeved on the adjusting shaft, and the worm wheel and the worm are in meshing transmission.
Preferably, a short pin is slidably arranged in the hanging hole of the lifting lug in a penetrating manner, and two axial ends of the short pin are fixedly connected with a U-shaped hanging bracket together.
Preferably, two ends of the short pin are respectively sleeved with a stop ring, and the two stop rings are respectively in sliding contact with the outer walls of the two sides of the lifting lug.
Preferably, the hoisting beam is provided with a through groove crossing the length direction of the hoisting beam, and a cross rib is fixedly connected in the through groove.
Compared with the prior art, the beneficial effects of the utility model are that: through arranging the adjusting shaft, when the adjusting shaft rotates, the two adjusting blocks are driven to be respectively screwed with the first thread part and the second thread part, the two adjusting blocks move relatively due to the opposite screw thread directions of the first thread part and the second thread part, and then the two sliding frames are driven to move relatively, so as to adjust the distance between the two hanging rods, compared with the prior art, the distance adjustment of the two hanging rods can be realized only by simply rotating the adjusting shaft, the adjusting shaft is driven to rotate by arranging the rotation driving structure, so that the adjusting shaft can be in a limiting state after rotating, the phenomenon that the adjusting shaft rotates by itself to influence the stability of hoisting is avoided, through arranging the connecting column, the forward thread section and the reverse thread section, when a PC component is hoisted, only the connecting column needs to be rotated, the forward thread section can be screwed into the connecting column, meanwhile, the reverse thread section can be screwed into the PC component, so that when the PC component is hoisted, the operation is more convenient, through setting up short round pin, U-shaped gallows, the lifting hook on the outside lifting device can hang the hoist and mount roof beam through hanging and get U-shaped gallows like this, has reduced the wearing and tearing to the hole for hoist on the lug.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic bottom view of the three-dimensional structure of FIG. 1;
fig. 3 is an enlarged schematic view of a partial three-dimensional structure at a in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1-reverse threaded section, 2-connecting column, 3-forward threaded section, 4-hanging rod, 5-first threaded section, 6-cross rib, 7-hoisting beam, 8-sliding frame, 9-adjusting block, 10-fixing seat, 11-worm wheel, 12-second threaded section, 13-lifting lug, 14-stop ring, 15-U-shaped hanging bracket, 16-short pin and 17-worm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a vertical PC component hoisting accurate positioning device comprises a hoisting beam 7 with a lifting lug 13 arranged in the middle, a hoisting rod 4 is arranged at each end of the hoisting beam 7 in the length direction, a sliding frame 8 is sleeved at each end of the hoisting beam 7 in the length direction in a sliding way, an adjusting block 9 is arranged at the bottom of the sliding frame 8, two fixing seats 10 are symmetrically arranged at the middle of the bottom of the hoisting beam 7 along the central line of the middle, an adjusting shaft is connected to the two fixing seats 10 in a common horizontal rotating way, a first thread part 5 and a second thread part 12 with opposite thread turning directions are respectively arranged at each end of the adjusting shaft in the length direction, the two adjusting blocks 9 are respectively sleeved on the first thread part 5 and the second thread part 12 in a thread way, the adjusting shaft is driven to rotate by a rotating driving structure so as to drive the two adjusting blocks 9 to move relatively, a forward thread part 3 is arranged at the lower end of the hoisting rod 4, a connecting column 2 is sleeved on the forward thread part 3 in a thread way, a reverse thread part 1 is coaxially arranged at the lower end of the connecting column 2, the screw thread turning directions of the forward thread section 3 and the reverse thread section 1 are opposite, the screw thread of the reverse thread section 1 is arranged in a prefabricated threaded hole of an external PC component in a penetrating mode, when the transverse distance between the two suspension rods 4 is adjusted, the adjusting shaft is driven to rotate through the rotation driving structure, when the adjusting shaft rotates, the two adjusting blocks are driven to be respectively screwed with the first thread section 5 and the second thread section 12, the screw thread turning directions of the first thread section 5 and the second thread section 12 are opposite, so that the two adjusting blocks 9 move relatively, and then the two sliding frames 8 are driven to move relatively, and the distance between the two suspension rods 4 is adjusted.
Wherein, rotate the drive structure and include that the level rotates the worm 17 of connection on hoist and mount roof beam 7, cup jointed worm wheel 11 on the regulating spindle, worm wheel 11 and worm 17 meshing transmission, through rotating worm 17, make worm 17 and worm wheel 11 meshing transmission to the drive regulating spindle rotates, and then can drive two regulating blocks 9 relative movement.
Wherein, the lifting eye of lug 13 is equipped with short round pin 16 in the cunning and wearing, and the common rigid coupling in short round pin 16 axial both ends has U-shaped gallows 15, and the lifting hook on the external hoisting equipment can hang hoist and mount roof beam 7 through hanging and getting U-shaped gallows 15, has reduced the wearing and tearing to the lifting eye on lug 13.
The two ends of the short pin 16 are respectively sleeved with the stop rings 14, the two stop rings 14 are respectively in sliding contact with the outer walls of the two sides of the lifting lug 13, and the two stop rings 14 can limit the sliding of the lifting lug 13 on the short pin 16 by arranging the stop rings 14, so that the phenomenon that the lifting beam 7 moves due to the sliding of the lifting lug 13 on the short pin 16 in the lifting process is avoided.
Wherein, hoist and mount roof beam 7 sets up the logical groove that spanes its length direction, and the rigid coupling has cross rib 6 in leading to the inslot, through setting up logical groove, has reduced hoist and mount roof beam 7's whole weight, and through setting up cross rib 6, can consolidate hoist and mount roof beam 7 to promote hoist and mount roof beam 7's bulk strength.
The utility model discloses a use: when the transverse distance between the two hanging rods 4 is adjusted, firstly, the worm 17 is rotated, when the worm 17 rotates, the worm wheel 11 is driven to synchronously rotate, the worm 17 and the worm wheel 11 are meshed to drive the adjusting shaft to rotate, when the adjusting shaft rotates, the two adjusting blocks are driven to be respectively screwed with the first threaded part 5 and the second threaded part 12, and due to the fact that the screwing directions of the first threaded part 5 and the second threaded part 12 are opposite, the two adjusting blocks 9 move relatively, and then the two sliding frames 8 are driven to move relatively, so that the distance between the two hanging rods 4 is adjusted;
when hoisting the PC component, with reverse screw section 1 screw in at least round in the threaded connection hole of PC component on the spliced pole 2, then with at least round in the spliced pole 2 of forward screw section 3 screw in, the spliced pole 2 rotates again, when the spliced pole 2 rotates, because forward screw section 3, reverse screw section 1's screw revolves to the opposite direction, make spliced pole 2 when rotating, in the threaded connection hole of reverse screw section 1 screw in PC component, in forward screw section 3 screw in spliced pole 2 simultaneously, and then can realize spliced pole 2 synchronous and forward screw section 3, the PC component is connected, the time of operation has been saved, and then can promote hoist and mount efficiency.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides an accurate positioner of vertical PC component hoist and mount, includes that the intermediate position installs hoist and mount roof beam (7) of lug (13), hoist and mount roof beam (7) length direction both ends respectively are equipped with a jib (4), its characterized in that: the lifting beam is characterized in that the two ends of the length direction of the lifting beam (7) are respectively sleeved with a sliding frame (8) in a sliding mode, the bottom of the sliding frame (8) is provided with adjusting blocks (9), the middle position of the bottom of the lifting beam (7) is symmetrically provided with two fixing seats (10) along the central line of the lifting beam, the two fixing seats (10) are connected with adjusting shafts in a common horizontal rotation mode, the two ends of the length direction of the adjusting shafts are respectively provided with a first thread part (5) and a second thread part (12) with opposite thread directions, the two adjusting blocks (9) are respectively sleeved on the first thread part (5) and the second thread part (12) in a thread mode, the adjusting shafts are driven to rotate by a rotation driving structure so as to drive the two adjusting blocks (9) to move relatively, the lower end of the lifting rod (4) is provided with a forward thread section (3), and the forward thread section (3) is sleeved with a connecting column (2), the lower end of the connecting column (2) is coaxially provided with a reverse thread section (1), the thread turning directions of the forward thread section (3) and the reverse thread section (1) are opposite, and the reverse thread section (1) is threaded in a prefabricated thread hole of an external PC component.
2. The accurate positioning device for hoisting of the vertical PC component according to claim 1, is characterized in that: the rotation driving structure comprises a worm (17) which is horizontally and rotatably connected to the hoisting beam (7), a worm wheel (11) is sleeved on the adjusting shaft, and the worm wheel (11) is in meshing transmission with the worm (17).
3. The accurate positioning device for hoisting of the vertical PC component according to claim 1, is characterized in that: the lifting hole of the lifting lug (13) is internally provided with a short pin (16) in a sliding fit mode, and two axial ends of the short pin (16) are fixedly connected with a U-shaped lifting frame (15) together.
4. The accurate positioning device for hoisting of the vertical PC component according to claim 3, is characterized in that: two ends of the short pin (16) are respectively sleeved with a stop ring (14), and the two stop rings (14) are respectively in sliding contact with the outer walls of the two sides of the lifting lug (13).
5. The accurate positioning device for hoisting of the vertical PC component according to claim 1, is characterized in that: the hoisting beam (7) is provided with a through groove stretching along the length direction of the hoisting beam, and a cross rib (6) is fixedly connected in the through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601594.7U CN214495425U (en) | 2021-03-24 | 2021-03-24 | Accurate positioner of vertical PC component hoist and mount |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120601594.7U CN214495425U (en) | 2021-03-24 | 2021-03-24 | Accurate positioner of vertical PC component hoist and mount |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214495425U true CN214495425U (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120601594.7U Expired - Fee Related CN214495425U (en) | 2021-03-24 | 2021-03-24 | Accurate positioner of vertical PC component hoist and mount |
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| Country | Link |
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| CN (1) | CN214495425U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960448A (en) * | 2022-06-16 | 2022-08-30 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
-
2021
- 2021-03-24 CN CN202120601594.7U patent/CN214495425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960448A (en) * | 2022-06-16 | 2022-08-30 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
| CN114960448B (en) * | 2022-06-16 | 2023-09-26 | 常州市市政建设工程集团有限公司 | Hoisting equipment for multi-span steel box girder construction and construction process thereof |
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| Date | Code | Title | Description |
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| 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: 20211026 |