CN210713483U - Precast concrete board subassembly of convenient hoist and mount - Google Patents

Abstract

The utility model provides a precast concrete board subassembly of convenient hoist and mount, including precast concrete board and hoist, precast concrete board's side is equipped with a set of hoist and mount blind hole, and the hoist and mount blind hole is embedded to have a hoist and mount groove, hoist figure corresponds with the hoist and mount blind hole, and the hoist adopts the C shape body of constituteing by upper end horizontal pole, pole setting and the lower extreme horizontal pole end to end that is used for inserting the hoist and mount groove, and the hoist hole has been seted up to its upper end horizontal pole. The utility model provides a pair of precast concrete board subassembly of convenient hoist and mount need not reserve hoist and mount recess and pre-buried hoist at concrete slab top surface, has consequently avoided the shutoff and the chisel of hoist and mount groove to remove the problem, can improve the efficiency of construction through simplifying the process to improve bridge floor driving comfort level.

Description

Precast concrete board subassembly of convenient hoist and mount

Technical Field

The utility model relates to a precast concrete board subassembly of convenient hoist and mount belongs to assembly type structure construction field.

Background

The fabricated building is formed by assembling prefabricated parts on a construction site, and the large temporary steel structure trestle also belongs to one type of the fabricated building. For a trestle adopting a precast concrete slab as a deck slab, referring to fig. 1, in the conventional process, a lifting appliance 3 made of pre-buried 4 steel bars is arranged inside the precast concrete slab 1 and connected with a steel bar framework, so that the highest point of the lifting appliance is slightly lower than the top surface of the concrete slab, 4 lifting grooves 2 are reserved at corresponding positions of the top surface so as to facilitate lifting operation, and after the concrete slab is installed in place, the lifting grooves are blocked by mortar. And when the trestle bridge deck surface is removed, the reverse sequence is adopted, the mortar blocked at the hoisting hole is chiseled, and then the hoisting operation is carried out. Traditional hoist all needs loaded down with trivial details technology at concrete slab's prefabrication, installation, demolish in-process, very big reduction the efficiency of construction, influence the pleasing to the eye and the driving comfort level of bridge floor simultaneously.

Disclosure of Invention

In order to solve the not enough of prior art, the utility model provides a precast concrete board subassembly of convenient hoist and mount need not reserve hoist and mount recess and pre-buried hoist at concrete slab top surface, has consequently avoided the shutoff and the chisel of hoist and mount groove to remove the problem, can improve the efficiency of construction through simplified process to improve bridge floor driving comfort level.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a precast concrete board subassembly of convenient hoist and mount, including precast concrete board and hoist, precast concrete board's side is equipped with a set of hoist and mount blind hole, and the hoist and mount blind hole is embedded to have a hoist and mount groove, hoist figure corresponds with the hoist and mount blind hole, and the hoist adopts the C shape body of constituteing by upper end horizontal pole, pole setting and the lower extreme horizontal pole end to end that is used for inserting the hoist and mount groove, and the hoist hole has been seted up to its upper end horizontal pole.

The hoisting groove is connected with a steel reinforcement framework in the precast concrete slab into a whole through the reinforcing rib.

The lower end cross rod of the lifting appliance is sleeved with an anti-skid ring.

The hoist and mount groove adopts the two-section type cell body of constituteing by outer cell body and inlayer cell body, and the inlayer cell body is provided with the internal thread, and the lower extreme horizontal pole of hoist has seted up the screw thread through-hole along the depth of lower extreme horizontal pole, and the screw thread through-hole embeds there is the bolt with screw thread through-hole screw-thread fit, and the internal thread and the bolt screw-thread fit of hoist and mount inslot inlayer cell body.

The hanger hole of the hanger is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a hanging ring, and the length of the steel wire rope connected with each hanger is consistent.

The utility model discloses based on the beneficial effect that its technical scheme had lies in:

(1) the utility model provides a precast concrete board subassembly of convenient hoist and mount through setting up detachable hoist groove, hoist structure, the accessible inserts C shape body and accomplishes the quick installation of hoist in precast concrete board's hoist groove, simplified the hoist and mount process of traditional precast concrete board by a wide margin, left out the hoist and mount and accomplish the back shutoff hoist groove, chiseling the two processes of the mortar of shutoff in the hoist and mount inslot before demolising, these two processes are because the work load is few but distribute extensively, can only manual work, the work efficiency is extremely low and the effect is not good, influence efficiency and the planarization of bridge floor, aesthetic property, the utility model discloses a change precast concrete board hoist and mount trench position, and cooperate the working method that the hoist used, improved the efficiency of construction by a wide margin, reduce construction cost, avoid the bridge floor many times of shutoff and chiseling the operation, make the bridge floor more level and more pleasing to the eye;

(2) the hoisting groove of the utility model can adopt a steel structure, and is provided with a reinforcing rib which is integrally formed with a steel reinforcement framework inside the precast concrete slab, thereby enhancing the hoisting stability;

(3) the utility model can be additionally sleeved with an anti-skid ring to enhance the friction between the lower end cross rod and the hoisting groove, enhance the hoisting stability and is easy to install and remove;

(4) the hoisting groove of the utility model can adopt a two-section groove body, the lower end cross rod of the hoisting tool is inserted into the outer groove body to hoist the precast concrete plate, meanwhile, the lower end cross rod is provided with a thread through hole, and a bolt is inserted into the inner thread fit of the inner groove body from the thread through hole, thereby improving the tightness of the hoisting tool and the precast concrete plate and enhancing the hoisting stability;

(5) the utility model discloses a hoist is connected in the unanimous wire rope one end of length respectively, and wire rope's the other end sets up the rings that can hang on the lifting hook, ensures that the distance in lifting hook and each hoist and mount groove is unanimous to hoist and mount equilibrium has been improved.

Drawings

Fig. 1 is a schematic view of a conventional precast concrete panel structure.

Fig. 2 is the utility model provides a pair of precast concrete plate structure schematic diagram in precast concrete plate subassembly of convenient hoist and mount.

Fig. 3 is a schematic structural view of the hoisting groove.

Fig. 4 is a schematic view of a spreader structure.

Fig. 5 is a schematic sectional structure diagram of the spreader.

Fig. 6 is a schematic view of a spreader structure provided with bolts.

Fig. 7 is a schematic diagram of a hoisting groove structure adopting a two-section groove body.

Fig. 8 is a schematic view of a hoisting state.

In the figure: 1-precast concrete slab, 2-hoisting groove, 3-hoisting tool made of steel bar, 4-hoisting blind hole, 5-hoisting tool, 51-upper end cross bar, 52-vertical bar, 53-lower end cross bar, 54-hoisting tool hole, 55-bolt, 6-hoisting groove, 61-outer layer groove body, 62-inner layer groove body, 7-steel wire rope and 8-lifting hook.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model provides a precast concrete board subassembly of convenient hoist and mount, refer to fig. 2, fig. 3, fig. 4 and fig. 5, including precast concrete board 1 and hoist 5, precast concrete board 1's side is equipped with a set of hoist and mount blind hole 4, and hoist and mount blind hole 4 is embedded to have hoist and mount groove 6, hoist figure corresponds with hoist and mount blind hole, and the hoist adopts the C shape body of constituteing by upper end horizontal pole 51, pole setting 52 and the lower extreme horizontal pole 53 end to end that is used for inserting the hoist and mount groove, and hoist hole 54 has been seted up to its upper end horizontal pole, and wherein, the hoist and mount groove can adopt external diameter 80mm, the hollow square steel pipe processing preparation of wall thickness 10mm to form, and the hoist can adopt the preparation of 2cm thick steel sheet to form, and wherein the first contained angle α that forms between upper end horizontal pole and the pole setting is the 90 degree angle, and the second contained angle β that forms between lower extreme.

Referring to fig. 8, during the hoisting operation, the cross bar at the lower end of the hoisting tool 5 is inserted into the hoisting groove 6, the hoisting hole 3 at the upper end is connected with the steel wire rope 7, and the steel wire rope 7 is hung on the hook 8 of the crane, so that the hoisting operation can be completed. When the operation is dismantled, the lower end cross rod is taken out from the hoisting groove, the structure of the precast concrete plate cannot be damaged in the whole process, the integrity of the precast concrete plate is ensured, the working procedures are saved, and the working efficiency is improved.

The hoisting groove can be connected with a steel bar framework in the precast concrete slab into a whole through the reinforcing rib, so that the strength of the precast concrete slab is improved. The anti-skidding ring can be established to the lower extreme horizontal pole cover of hoist, increases the friction between hoist and the hoist and mount groove, improves stability.

The lifting appliance holes of the lifting appliances are connected with one end of a steel wire rope 7, the other end of the steel wire rope is connected with a lifting ring, the length of the steel wire rope connected with each lifting appliance is consistent, the distance between each lifting hook and each lifting groove is ensured to be consistent, and therefore the lifting balance is improved.

Referring to fig. 6 and 7, the hoisting groove may be a two-stage groove body consisting of an outer groove body 61 and an inner groove body 62, and the inner groove body is provided with an internal thread. Threaded through holes are formed in the lower end cross rod of the lifting appliance along the depth of the lower end cross rod, bolts 55 in threaded fit with the threaded through holes are arranged in the threaded through holes, and internal threads of the inner groove body of the lifting groove are in threaded fit with the bolts. During hoisting, the cross rod at the lower end of the hoisting tool is inserted into the outer-layer groove body and used for hoisting the precast concrete plate, and the bolt is inserted into the inner thread of the inner-layer groove body from the thread through hole in a penetrating manner to be matched with the inner thread of the inner-layer groove body, so that the tightness of the hoisting tool and the precast concrete plate is improved, and the hoisting stability is further enhanced.

The utility model provides a pair of precast concrete board subassembly of convenient hoist and mount need not reserve hoist and mount recess and pre-buried hoist at concrete slab top surface, has avoided the shutoff and the chisel of hoist and mount groove to remove the problem, can improve the efficiency of construction through simplifying the process to improve bridge floor driving comfort level.

Claims (5)

1. The utility model provides a precast concrete board subassembly of convenient hoist and mount, includes precast concrete board and hoist, its characterized in that: the side of precast concrete board is equipped with a set of hoist and mount blind hole, and the hoist and mount blind hole is embedded to have a hoist groove, hoist figure corresponds with the hoist and mount blind hole, and the hoist adopts the C shape body of constituteing by upper end horizontal pole, pole setting and the lower extreme horizontal pole end to end that is used for inserting the hoist groove, and the hoist hole has been seted up to its upper end horizontal pole.

2. The precast concrete plate component convenient to hoist of claim 1, characterized in that: the hoisting groove is connected with a steel reinforcement framework in the precast concrete slab into a whole through the reinforcing rib.

3. The precast concrete plate component convenient to hoist of claim 1, characterized in that: the lower end cross rod of the lifting appliance is sleeved with an anti-skid ring.

4. The precast concrete plate component convenient to hoist of claim 1, characterized in that: the hoist and mount groove adopts the two-section type cell body of constituteing by outer cell body and inlayer cell body, and the inlayer cell body is provided with the internal thread, and the lower extreme horizontal pole of hoist has seted up the screw thread through-hole along the depth of lower extreme horizontal pole, and the screw thread through-hole embeds there is the bolt with screw thread through-hole screw-thread fit, and the internal thread and the bolt screw-thread fit of hoist and mount inslot inlayer cell body.

5. The precast concrete plate component convenient to hoist of claim 1, characterized in that: the hanger hole of the hanger is connected with one end of a steel wire rope, the other end of the steel wire rope is connected with a hanging ring, and the length of the steel wire rope connected with each hanger is consistent.

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