CN217867714U

CN217867714U - Auxiliary hoisting tool and auxiliary hoisting mechanism for prefabricated square pipe culvert

Info

Publication number: CN217867714U
Application number: CN202221564704.8U
Authority: CN
Inventors: 郭廷凯; 吴龙; 洪尚言; 庞军辉; 王津若
Original assignee: Sinohydro Bureau 12 Co Ltd
Current assignee: Sinohydro Bureau 12 Co Ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-11-22
Anticipated expiration: 2032-06-21

Abstract

The utility model discloses an auxiliary hoisting tool for a prefabricated square pipe culvert, which comprises a clamping piece with an opening at one end, wherein the clamping piece consists of an upper transverse plate, a lower transverse plate and a vertical plate which is parallel to each other and is connected with the upper transverse plate and the lower transverse plate; wherein, be equipped with the screw that runs through last diaphragm on going up the diaphragm, be equipped with the screw rod in the screw, the screw rod bottom is equipped with the fixed plate, and the fixed plate bottom is equipped with the rubber cushion. And also provides an auxiliary hoisting mechanism. The utility model provides an auxiliary hoisting tool and auxiliary hoisting mechanism of square pipe culvert in advance can carry out convenient and fast's fixed and couple that is connected to the loop wheel machine by the other side pipe culvert, realize quick hoist and mount, improve the efficiency of construction in the time of reduce cost to, through the stable centre gripping of auxiliary hoisting tool and auxiliary hoisting mechanism and fixed square pipe culvert and stable connection hook, greatly reduced the safety risk of hoist and mount construction.

Description

Auxiliary hoisting tool and auxiliary hoisting mechanism for prefabricated square pipe culvert

Technical Field

The utility model relates to a water and electricity engineering construction technical field, concretely relates to hoist and mount auxiliary lifting device and supplementary hoisting machine that use in the transportation of square pipe culvert in advance construct.

Background

With the implementation of sponge city construction and underground pipe gallery construction, the application of the square pipe culvert in China enters a high-speed development stage, which makes the requirement of the construction on efficiency higher and higher. The prefabricated square pipe culvert has the characteristics of large size and heavy pipe, the width of the prefabricated square pipe culvert is 2000-2600mm, the height of the prefabricated square pipe culvert is 2000-3000mm, the length of the prefabricated square pipe culvert is 1500-2000mm, and the thickness of the pipe wall of the prefabricated square pipe culvert is 200-250mm. For example, the size of a prefabricated square pipe culvert buried underground on the north infrastructure engineering project of Baozhu avenue in the east district of the Mingzhu industry garden is 2000mmX2000mm multiplied by 2000mm, and the wall thickness of the pipe is 220mm; the design and construction process comprises the steps of paving a gravel cushion layer → pouring a concrete bottom plate → hoisting a square pipe culvert → encapsulating the pipe culvert → backfilling the pipe culvert. Wherein the hoist and mount of square pipe culvert is as key construction process, and hoist and mount efficiency can influence whole construction progress greatly, consequently has higher requirement to pipe culvert hoist and mount efficiency of construction to hoist and mount construction and safety are the key link in the work progress, if hoist and mount method and hoist selection are unreasonable in the construction, can lead to producing great potential safety hazard in the hoist and mount process, still can cause unable prosthetic damage to the pipeline. Therefore, the effect of the special lifting appliance selection on the lifting construction is increasingly prominent.

The existing common hoisting method is to hoist after steel wire ropes are bound with hoisting ring embedded parts at four corners on a square pipe culvert. The above method has the following disadvantages:

(1) The cost is high: when the pipe culvert is prefabricated, embedded parts need to be installed on the four hanging rings in advance, so that the construction cost is increased; meanwhile, the installation quality of the embedded part directly determines the safety risk in the hoisting process.

(2) The efficiency is low:

1) The hoisting efficiency is low: the operation of binding and releasing the steel wire ropes is carried out at four corners of the square pipe culvert manually, so that the problems of labor and time waste exist.

2) The installation positioning efficiency is low: the pipe culvert is greatly rocked and floated during installation and positioning, the installation difficulty is high, and 4-5 persons are needed to be matched to install below the square pipe culvert during installation, so that the problems of labor and time waste are solved.

(3) The potential safety hazard is big: four angle hoists of wire rope hoist and multistep installation operation in the actual operation process in addition are difficult to guarantee the steadiness of four rings in the hoist and mount process, have the risk that easily drops.

For improving the hoisting construction efficiency of the square pipe culvert, an auxiliary hoisting tool for the prefabricated square pipe culvert, which has the advantages of high construction efficiency, convenient operation, safe construction and quality guarantee, is required to be provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve the problem among the prior art, provide a supplementary lifting device of square pipe culvert in advance. After the prefabricated square pipe culvert is clamped and fixed by the auxiliary hoisting tool, the hoisting tool is hung on a hook of a hoisting machine for hoisting, hoisting rings do not need to be pre-embedded on the square pipe culvert, and steel wires do not need to be bundled manually, so that the cost is reduced, and the efficiency is improved; and the auxiliary hoisting tool is conveniently and quickly connected with the prefabricated square pipe culvert, is fixed and stable, is simultaneously and stably connected with the hook of the hoisting machine, and is stable in hoisting, so that the hoisting safety is greatly improved.

The utility model provides an auxiliary hoisting tool for a prefabricated square pipe culvert, which comprises a clamping piece with an opening at one end, wherein the clamping piece consists of an upper transverse plate, a lower transverse plate and a vertical plate which is parallel to each other and is connected with the upper transverse plate and the lower transverse plate; wherein, be equipped with the screw that runs through last diaphragm on the entablature, be equipped with the screw rod in the screw, the screw rod bottom is equipped with the fixed plate, and the fixed plate bottom is equipped with the rubber bed course.

The further technical scheme is as follows: the lower transverse plate is provided with another rubber cushion layer.

The further technical scheme is as follows: the upper transverse plate, the lower transverse plate and the vertical plate are all made of square steel pipes.

The further technical scheme is as follows: handrails are arranged on the side walls of the vertical plates.

The further technical scheme is as follows: the top of the upper transverse plate is provided with a triangular piece.

The further technical scheme is as follows: the triangle comprises two mutually connected diagonal rods, and a support rod is arranged in the middle of each diagonal rod.

The further technical scheme is as follows: two ends of the upper transverse plate are respectively provided with a connecting piece; the connecting piece comprises a rotating rod and two lifting lugs fixed on the upper transverse plate in a welding mode, and the end part of the rotating rod penetrates through the lifting lugs and then is fixed with a rotating rod top cap; the ends of the two inclined rods of the triangular piece are respectively welded and fixed on the rotating rods of the two connecting pieces.

The further technical scheme is as follows: the thickness of the rubber cushion layer and the other rubber cushion layer is 5-10cm.

The utility model also provides an auxiliary hoisting mechanism of prefabricated square pipe culvert, include the utility model provides a two supplementary lifting device of prefabricated square pipe culvert still include the connecting rod, and connecting rod fixed connection is on the riser of two holders. This supplementary hoisting machine of prefabricated square pipe culvert constructs as a whole after fixing two supplementary lifting device of prefabricated square pipe culvert, can hoist the bigger square pipe culvert of size, improves the security of hoist and mount.

The further technical scheme is as follows: the connecting rod is connected to the middle of the vertical plate of the clamping piece in a locking mode through a bolt.

The utility model has the advantages that:

the utility model provides a supplementary lifting device and supplementary hoisting machine of square pipe culvert in advance constructs, can carry out convenient and fast's fixed and couple that is connected to the loop wheel machine to the square pipe culvert, realize hoist and mount fast, improvement efficiency of construction in the time of reduce cost to, through supplementary lifting device and supplementary hoisting machine construct stable centre gripping and fixed square pipe culvert and stable connection couple, greatly reduced the safe risk of hoist and mount construction.

Drawings

Fig. 1 is a schematic sectional structure view of an auxiliary hoisting tool of the prefabricated square pipe culvert of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 (the connecting members are connected to the upper cross plate and the diagonal members);

fig. 3 is a schematic cross-sectional view of the auxiliary hoisting tool of the present invention clamping and fixing the prefabricated square pipe culvert;

FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 5 is a side cross-sectional view of FIG. 3;

figure 6 is a schematic cross-sectional view of the auxiliary hoisting mechanism clamping and fixing the prefabricated square pipe culvert of the utility model;

figure 7 is a schematic view of the riser and tie rod attachment in the single auxiliary lifting tool of figure 6.

In the figure:

the auxiliary hoisting tool comprises an auxiliary hoisting tool 100, a clamping piece 10, an upper transverse plate 11, a vertical plate 12, a lower transverse plate 13, another rubber cushion layer 14, a screw hole 15, a handrail 16, a triangular piece 20, an inclined rod 21, a supporting rod 22, a hook corner 23, a connecting piece 30, a lifting lug 31, a rotating rod 32, a rotating rod top cap 33, a convex block 34, a screw 40, a fixing plate 41, a rubber cushion layer 42, an auxiliary hoisting mechanism 300, a connecting rod 50, a bolt 51 and a square pipe culvert 200.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like are presented, the directions or positional relationships indicated are based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but not for indication or suggestion that the indicated device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as a limitation of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the utility model provides a pair of supplementary lifting device 100 of prefabricated square pipe culvert, including holder 10 and screw rod 40, come centre gripping square pipe culvert 200 and with square pipe culvert fixed connection through the cooperation of holder 10 and screw rod 40. The clamping member 10 is of a structure with an opening at one end, specifically, the clamping member 10 is composed of an upper transverse plate 11, a lower transverse plate 13 and a vertical plate 12 connecting the upper transverse plate and the lower transverse plate, the opening is located on the side wall, and the position of the opening is opposite to the vertical plate 12. In one embodiment, the upper cross plate 11, the lower cross plate 13, and the vertical plate 12 are made of square steel tubes. In one embodiment, the upper cross plate 11, the lower cross plate 13, and the vertical plate 12 are fixed by welding. In one embodiment, the upper and lower cross boards are 1500-2000mm in length and the vertical boards are 250-350mm in height. The length of the upper transverse plate and the lower transverse plate exceeds the width or half of the length of the square pipe culvert, and the stability of clamping and fixing of the pipe wall of the square pipe culvert, which is inserted by the clamping piece, is ensured.

The upper cross plate 11 is provided with a screw hole 15. In a specific embodiment, the screw hole 15 is located at the center of the upper cross plate 11. A screw 40 is inserted into the screw hole 15 in a vertical spiral manner, a top cap is arranged at the top end of the screw, and a fixing plate 41 is fixed at the bottom end of the screw 40, namely, at the end adjacent to the lower transverse plate. The screw rod 40 is rotated to move up and down relative to the screw hole 15 and the upper transverse plate, namely, the space between the fixing plate at the bottom of the screw rod and the lower transverse pipe is changed. After the clamping piece is inserted into the pipe wall of the square pipe culvert through the opening end, the pipe wall of the square pipe culvert is clamped and fixed by the fixing plate and the lower transverse plate or is unclamped, clamped and fixed through the up-and-down movement of the screw rod. A rubber cushion layer 42 is adhered to the bottom of the fixing plate through adhesive. The thickness of the rubber cushion layer is 5-10cm. The lower transverse plate 13 is provided with another rubber cushion layer 14, and the thickness of the rubber cushion layer is 5-10cm. After the square pipe culvert is clamped and fixed by the clamping pieces, the rubber cushion layer 42 and the other rubber cushion layer 14 are respectively positioned on the outer wall and the inner wall of the square pipe culvert 200, the clamping pieces and the square pipe culvert are buffered, and the square pipe culvert is prevented from being damaged.

The 12 lateral walls of riser are equipped with handrail 16, make things convenient for constructor to remove this supplementary lifting device, improve the installation and fix a position the efficiency to square pipe culvert.

The utility model discloses still include triangle-shaped spare 20, the triangle-shaped spare is connected and can rotate by relative holder with the holder. Specifically, the triangle passes through connecting piece 30 to be connected on the holder, and holder and triangle all with connecting piece fixed connection to the connecting piece can rotate and drive the triangle and rotate, realizes that the relative holder of triangle rotates. Two sets of connecting members 30 are respectively arranged at two ends of the clamping member 10, and two ends of the triangular member 20 are connected with the two sets of connecting members 30 and are connected with the clamping member. The clamping piece 10 and the screw rod 40 are matched with the clamping square pipe culvert 200 and fixedly connected with the square pipe culvert, and then the hook of the crane is connected through the triangular piece 20 to enable the auxiliary hoisting tool and the square pipe culvert to be hoisted by the crane.

The triangle 20 comprises two diagonal rods 21 connected with each other, and the joint of the two diagonal rods forms a hook angle 23, and the hook angle 23 is used for being hung and connected with a hook of a crane. The bracing piece 22 is equipped with in the middle part of the down tube, supports the down tube, guarantees the stability of triangle. The connecting member 30 includes two lugs 31 and a rotating rod 32, and after the two ends of the rotating rod respectively pass through the two lugs, the two ends of the rotating rod are fixed by a rotating rod top cap 33, for example, the rotating rod top cap 33 is screwed on the end of the rotating rod 32. The rotating rod 32 is rotatable relative to the lug 31. To further ensure that the rotary rod does not laterally displace when rotating relative to the lugs, a projection 34 may be provided on the rotary rod adjacent to the lugs to prevent lateral displacement of the rotary rod through cooperation of the projection and the top cap of the rotary rod. The lug can be a plurality of, evenly distributed in the circumference of rotary rod. The bottom of the lifting lug 31 is fixed on the upper transverse plate 11 by welding. And, the ends of the two diagonal rods 21 of the triangle are welded and fixed at the middle of the rotating rod 32. After the rotating rod 32 rotates relative to the lifting lug 31, the inclined rod 21 is driven to rotate, so that the triangular piece 20 can rotate relative to the clamping piece 10, the angle of the hook angle 23 can be adjusted, and the hook angle is conveniently connected with a hook of a crane. Specifically, two lifting lugs of one connecting piece are welded at one end of the upper transverse plate connected with the vertical plate, and two lifting lugs of the other connecting piece are welded at one end of the upper transverse plate adjacent to the opening.

As shown in fig. 6-7, the utility model provides an auxiliary hoisting mechanism 300 includes two auxiliary hoisting tool 100, two auxiliary hoisting tool 100 parallel arrangement to it is fixed through connecting rod 50. In a particular embodiment, the tie rods 50 are lockingly connected to the riser 12 of the clip by bolts 51. When the square pipe culvert 200 is large and the auxiliary hoisting tool 100 is used for hoisting, the auxiliary hoisting mechanism 300 can be used for hoisting. When the pipe culvert lifting device is used, the two clamping pieces 10 and the square pipe culvert 200 are clamped and fixed together, the triangular piece 20 is rotated, the two hook corners 23 are combined together, and the two hook corners are hung on a hook of a crane together for lifting.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An auxiliary hoisting tool for a prefabricated square pipe culvert is characterized by comprising a clamping piece with one open end, wherein the clamping piece consists of an upper transverse plate, a lower transverse plate and a vertical plate, the upper transverse plate and the lower transverse plate are parallel to each other, and the vertical plate is connected with the upper transverse plate and the lower transverse plate; wherein, be equipped with the screw that runs through the diaphragm on going up the diaphragm, be equipped with the screw rod in the screw, the screw rod bottom is equipped with the fixed plate, and the fixed plate bottom is equipped with the rubber cushion.

2. The auxiliary hoisting tool of the prefabricated square pipe culvert is characterized in that another rubber cushion layer is arranged on the lower transverse plate.

3. The auxiliary hoisting tool of the prefabricated square pipe culvert of claim 1, wherein the upper transverse plate, the lower transverse plate and the vertical plate are all made of square steel pipes.

4. The auxiliary hoisting tool of the precast square pipe culvert of claim 1, wherein the side walls of the vertical plates are provided with handrails.

5. The auxiliary hoisting tool of the prefabricated square pipe culvert is characterized in that a triangular piece is arranged at the top of the upper transverse plate.

6. The auxiliary hoisting tool of the prefabricated square pipe culvert is characterized in that the triangular piece comprises two inclined rods which are connected with each other, and a support rod is arranged in the middle of each inclined rod.

7. The auxiliary hoisting tool for the prefabricated square pipe culvert according to claim 6, wherein connecting pieces are respectively arranged at two ends of the upper transverse plate; the connecting piece comprises a rotating rod and two lifting lugs fixed on the upper transverse plate in a welding mode, and the end part of the rotating rod penetrates through the lifting lugs and then is fixed with a rotating rod top cap; the ends of the two inclined rods of the triangular piece are respectively welded and fixed on the rotating rods of the two connecting pieces.

8. The auxiliary hoisting tool of the prefabricated square pipe culvert is characterized in that the thickness of the rubber cushion layer and the thickness of the other rubber cushion layer are 5-10cm.

9. An auxiliary hoisting mechanism of a prefabricated square pipe culvert, which is characterized by comprising the auxiliary hoisting tool of the prefabricated square pipe culvert in any one of claims 1 to 8 and a connecting rod, wherein the connecting rod is fixedly connected to vertical plates of the two clamping pieces.

10. The auxiliary hoisting mechanism of the prefabricated square pipe culvert of claim 9, wherein the connecting rod is connected to the middle of the vertical plate of the clamping piece through bolt locking.