CN217229963U - A lift by crane hoist for precast concrete case roof beam of construction - Google Patents
A lift by crane hoist for precast concrete case roof beam of construction Download PDFInfo
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- CN217229963U CN217229963U CN202123168371.5U CN202123168371U CN217229963U CN 217229963 U CN217229963 U CN 217229963U CN 202123168371 U CN202123168371 U CN 202123168371U CN 217229963 U CN217229963 U CN 217229963U
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- roof beam
- case roof
- mounting bracket
- fixedly connected
- screw rod
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Abstract
The utility model discloses a hoist and mount that is used for precast concrete case roof beam of construction, which comprises a mounting rack, the mounting bracket inner wall rotates to insert and is equipped with the screw rod, the screw thread is provided with the centre gripping strip that two symmetries set up on the screw rod, fixedly connected with gag lever post between the mounting bracket inner wall, the gag lever post activity runs through the centre gripping strip setting. This a hoist and mount for precast concrete case roof beam for construction, through setting up the mounting bracket, screw rod and gag lever post, set up the case roof beam between two centre gripping strips, rotate this handle, it rotates to drive the screw rod, the screw rod drives two centre gripping strips and is close to each other, centre gripping strip and case roof beam contact realization are fixed, realize the fixed to the case roof beam from both sides like this, through pushing down this clamp plate, make clamp plate and case roof beam top contact, through rotatory this nut, the nut moves on the double-screw bolt, the nut finally offsets with the connecting block top and sets up, can fix the case roof beam from the top like this, fixed mode is various, the effect is more stable.
Description
Technical Field
The utility model relates to a precast concrete case roof beam hoist and mount technical field specifically is a hoist that lifts by crane of precast concrete case roof beam for construction.
Background
The prefabricated box girder is one of middle girders in bridge engineering, the interior of the prefabricated box girder is hollow, flanges are arranged on two sides of the upper part of the prefabricated box girder, and the prefabricated box girder is similar to a box, so that the prefabricated box girder is named. The box girder of the reinforced concrete structure is divided into a prefabricated box girder and a cast-in-place box girder. The box girder prefabricated in the independent site can be erected after the lower project is finished by combining the bridge girder erection machine, so that the project progress can be accelerated, and the construction period can be saved; the cast-in-place box girder is mainly used for large continuous bridges. At present, materials are commonly used, and two main types are available, namely a prestressed reinforced concrete box girder and a steel box girder. The prestressed reinforced concrete box girder is constructed on site, and transverse prestress is also arranged in some cases besides longitudinal prestress; the steel box girder is generally processed in a factory and then transported to a site for installation, and has an all-steel structure and a partially reinforced concrete pavement layer.
The box girder needs to be hoisted by adopting a hoisting tool, the existing hoisting tool is not convenient enough when being fixed, the reinforcing position is single, and the actual use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a hoist for precast concrete case roof beam of construction has solved the problem of proposing among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hoist and mount for precast concrete case roof beam of construction, includes the mounting bracket, the mounting bracket inner wall is rotated and is inserted and is equipped with the screw rod, the screw thread is provided with the centre gripping strip that two symmetries set up on the screw rod, fixedly connected with gag lever post between the mounting bracket inner wall, the gag lever post activity runs through the centre gripping strip setting, be provided with the reinforcement subassembly on the mounting bracket.
Optionally, the reinforcing component comprises a connecting block fixedly connected to the side wall of the mounting frame, a stud is movably inserted into the connecting block, a pressing plate is fixedly connected to the lower end of the stud jointly, a nut is arranged on the stud in a threaded mode, and the nut is abutted to the lower end of the connecting block.
Optionally, a friction pad is fixedly connected to the clamping strip.
Optionally, the mounting frame is fixedly connected with two first suspension loops which are symmetrically arranged.
Optionally, the other end of the screw is fixedly connected with a handle.
Optionally, the bottom of the clamping strip is fixedly connected with second hanging rings, and fixing ropes are fixedly connected between the second hanging rings.
(III) advantageous effects
The utility model provides a hoist for precast concrete case roof beam of construction possesses following beneficial effect:
1. this a hoist and mount for precast concrete case roof beam for construction, through setting up the mounting bracket, screw rod and gag lever post, set up the case roof beam between two centre gripping strips, rotate this handle, it rotates to drive the screw rod, the screw rod drives two centre gripping strips and is close to each other, centre gripping strip and case roof beam contact realization are fixed, realize the fixed to the case roof beam from both sides like this, through pushing down this clamp plate, make clamp plate and case roof beam top contact, through rotatory this nut, the nut moves on the double-screw bolt, the nut finally offsets with the connecting block top and sets up, can fix the case roof beam from the top like this, fixed mode is various, the effect is more stable.
2. This a hoist and mount for precast concrete case roof beam of construction through setting up second link and fixed rope, sets up fixed rope on the second link, and fixed rope fixes this case roof beam from the bottom like this for it is fixed more firm like this.
Drawings
Fig. 1 is a left side perspective structural view of a lifting sling for a precast concrete box girder for building construction according to the present invention;
fig. 2 is a bottom perspective view of a lifting sling for a precast concrete box girder for building construction according to the present invention;
fig. 3 is an enlarged structural view of a portion a of fig. 2.
In the figure: 1. a mounting frame; 2. a first suspension loop; 3. a screw; 4. a limiting rod; 5. a handle; 6. a reinforcement assembly; 61. connecting blocks; 62. a stud; 63. pressing a plate; 64. a nut; 7. a clamping bar; 8. a friction pad; 9. a second suspension loop; 10. and (5) fixing the rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.
Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a hoist and mount for precast concrete case roof beam of construction, includes mounting bracket 1, and 1 inner wall of mounting bracket rotates to insert and is equipped with screw rod 3, and the screw thread is provided with the centre gripping strip 7 that two symmetries set up on the screw rod 3, fixedly connected with gag lever post 4 between 1 inner wall of mounting bracket, and the activity of gag lever post 4 runs through centre gripping strip 7 and sets up, and 3 other end fixedly connected with handles 5 of screw rod are provided with on the mounting bracket 1 and consolidate subassembly 6.
Set up the case roof beam between two centre gripping strips 7, rotate this handle 5, drive screw rod 3 and rotate, screw rod 3 drives two centre gripping strips 7 and is close to each other, and centre gripping strip 7 realizes fixedly with the case roof beam contact, realizes fixing the case roof beam from both sides like this, can fix from the case roof beam top through reinforcing component 6, and the mode of fixing like this is various, more firm.
The reinforcing component 6 comprises a connecting block 61 fixedly connected to the side wall of the mounting frame 1, a stud 62 is movably inserted into the connecting block 61, the lower end of the stud 62 is fixedly connected with a pressing plate 63, a nut 64 is arranged on the stud 62 in a threaded mode, and the nut 64 is abutted to the lower end of the connecting block 61.
Through this clamp plate 63 of pushing down for clamp plate 63 and box girder top contact, through rotatory this nut 64, nut 64 moves on double-screw bolt 62, and nut 64 finally offsets with connecting block 61 top and sets up, can fix the box girder from the top like this, and fixed mode is various, and the effect is more stable.
The clamping strip 7 is fixedly connected with a friction pad 8.
The friction pad 8 is arranged, so that the contact friction force between the clamping strip 7 and the box girder is larger, the box girder is not easy to slip, and the fixing effect is more stable.
Two first suspension loops 2 which are symmetrically arranged are fixedly connected to the mounting rack 1.
The first suspension loop 2 is connected to the traction rope of an external crane, which enables the hoisting operation.
The bottom of the clamping strip 7 is fixedly connected with second hanging rings 9, and a fixing rope 10 is fixedly connected between the second hanging rings 9.
A fixing rope 10 is arranged on the second suspension loop 9, so that the fixing rope 10 fixes the box girder from the bottom, and the fixing is firmer.
To sum up, this a hoist hanger for precast concrete case roof beam of construction, set up the case roof beam between two centre gripping strips 7, rotate this handle 5, it rotates to drive screw rod 3, screw rod 3 drives two centre gripping strips 7 and is close to each other, centre gripping strip 7 is fixed with the contact realization of case roof beam, realize the fixed to the case roof beam from both sides like this, through pushing down this clamp plate 63, make clamp plate 63 and the contact of case roof beam top, through rotatory this nut 64, nut 64 moves on double-screw bolt 62, nut 64 finally offsets with connecting block 61 top and sets up, can fix the case roof beam from the top like this, fixed mode is various, the effect is more stable, set up fixed rope 10 on second link 9, fixed rope 10 fixes this case roof beam from the bottom like this, make fixed more firm like this.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connected mode of each part all adopts conventional means such as ripe rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, conventional model, and circuit connection adopts conventional connected mode among the prior art, and the details are not repeated here, and the content that does not make detailed description in this description belongs to the prior art that the professional skilled person in this field knows.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a hoist and mount for precast concrete box girder of construction, includes mounting bracket (1), its characterized in that: the mounting bracket is characterized in that the inner wall of the mounting bracket (1) is rotated to insert and is provided with a screw rod (3), the screw rod (3) is provided with two clamping strips (7) which are symmetrically arranged, a limiting rod (4) is fixedly connected between the inner walls of the mounting bracket (1), the limiting rod (4) is movably arranged to penetrate through the clamping strips (7), and a reinforcing assembly (6) is arranged on the mounting bracket (1).
2. The lifting sling for a concrete precast box girder for construction according to claim 1, wherein: consolidate subassembly (6) including connecting block (61) of fixed connection at mounting bracket (1) lateral wall, the activity is inserted on connecting block (61) and is equipped with double-screw bolt (62), the common fixedly connected with clamp plate (63) of double-screw bolt (62) lower extreme, the screw thread is provided with nut (64) on double-screw bolt (62), nut (64) and connecting block (61) lower extreme offset the setting.
3. The lifting sling of a concrete precast box girder for construction according to claim 1, wherein: and a friction pad (8) is fixedly connected to the clamping strip (7).
4. The lifting sling of a concrete precast box girder for construction according to claim 1, wherein: the mounting frame (1) is fixedly connected with two first suspension loops (2) which are symmetrically arranged.
5. The lifting sling for a concrete precast box girder for construction according to claim 1, wherein: the other end of the screw rod (3) is fixedly connected with a handle (5).
6. The lifting sling for a concrete precast box girder for construction according to claim 1, wherein: the bottom of the clamping strip (7) is fixedly connected with second hanging rings (9), and fixed ropes (10) are fixedly connected between the second hanging rings (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168371.5U CN217229963U (en) | 2021-12-16 | 2021-12-16 | A lift by crane hoist for precast concrete case roof beam of construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123168371.5U CN217229963U (en) | 2021-12-16 | 2021-12-16 | A lift by crane hoist for precast concrete case roof beam of construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217229963U true CN217229963U (en) | 2022-08-19 |
Family
ID=82824599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123168371.5U Active CN217229963U (en) | 2021-12-16 | 2021-12-16 | A lift by crane hoist for precast concrete case roof beam of construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217229963U (en) |
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2021
- 2021-12-16 CN CN202123168371.5U patent/CN217229963U/en active Active
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