CN219429460U

CN219429460U - Hoist for prefabricated pier stud

Info

Publication number: CN219429460U
Application number: CN202320316060.9U
Authority: CN
Inventors: 赵元鑫; 张炯; 陶昌梅; 贾文丽; 卓杨旭; 柳璐; 韩云; 梅龙菊
Original assignee: Chongqing Monorail Traffic Engineering Co ltd; Chongqing Rail Transit Design And Research Institute Co ltd
Current assignee: Chongqing Monorail Traffic Engineering Co ltd; Chongqing Rail Transit Design And Research Institute Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-28
Anticipated expiration: 2033-02-23

Abstract

The utility model belongs to the technical field of rail transit construction, and particularly relates to a lifting appliance for prefabricating pier columns, which comprises a lifting rod, wherein an annular groove is formed in the periphery of the lifting rod, and the annular groove divides the lifting rod into an embedded main body and a locking disc body; the lifting lug is connected with the end part of the embedded main body; the limiting protrusions are connected to the periphery of the locking disc body; the abutting locking block is provided with a special-shaped through hole matched with the locking disc body and the limiting protrusion; the convex block is arranged at the outer side of the special-shaped through hole and is connected with the abutting locking block; when the suspender is matched with the abutting locking block, the abutting locking block is limited at the annular groove by the locking disc body and the limiting protrusion, and the lifting appliance can be conveniently connected and separated with the pier stud without a bolt, so that the efficiency is improved, the difficulty of construction operation is reduced, and meanwhile, the lifting appliance is small in size and can be conveniently stored after being detached and separated.

Description

Hoist for prefabricated pier stud

Technical Field

The utility model belongs to the technical field of rail transit construction, and particularly relates to a lifting appliance for prefabricating pier columns.

Background

The pier column, namely the lower bearing object for bearing the upper structure in the track traffic engineering, has circular cross section, elliptical, square, curve, parabolic and other anisotropic pier columns, and is an important component in the engineering of bridges such as highway bridges, railway bridges, sidewalks and the like, overpasses, ramp bridges, overpasses and the like.

The pier column and the capping beam are required to be lifted in the assembly process, and the relative positions of the pier column and the capping beam are adjusted, so that the assembly of the pier column and the capping beam is realized.

The Chinese patent with the application number of CN201921151740.X discloses a prefabricated pier column template overturning lifting appliance, which comprises an overturning lifting frame, a lifting rope and a distribution beam, wherein the overturning lifting frame is a frame body with the plane shape and the size matched with those of the cross section of the pier column template, the length of the lifting rope is greater than that of an exposed main rib at the top of the pier column template, the lower end of the lifting rope is hinged at a balance lifting point on the overturning lifting frame and can rotate around the balance lifting point, the upper end of the lifting rope is fixed on the distribution beam, and the balance lifting point is positioned in a spacing area between the exposed main ribs; the overturning hanging frame is fixed at the top opening of the pier column template, the middle point of the distribution beam is hung on the crane, and the sling always maintains a vertically balanced stress state in the process that the crane hangs the distribution beam to overturn the pier column template from a horizontal state to a vertical state.

However, the lifting appliance in the prior art adopts an integrated design, so that on one hand, the lifting appliance occupies space, is unfavorable for storage, on the other hand, when the lifting appliance is connected or detached with a pier stud, a plurality of bolts are needed, the lifting appliance is fixedly connected with a pier stud template top opening, the lifting appliance is not convenient to use, a great amount of time and energy are spent, and the efficiency is low.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the lifting appliance for the prefabricated pier column comprises a lifting rod, wherein an annular groove is formed in the periphery of the lifting rod, and the lifting rod is divided into an embedded main body and a locking disc body by the annular groove;

the lifting lug is connected with the end part of the embedded main body;

the limiting protrusions are connected to the periphery of the locking disc body;

the abutting locking block is provided with a special-shaped through hole matched with the locking disc body and the limiting protrusion;

the convex block is arranged at the outer side of the special-shaped through hole and is connected with the abutting locking block;

when the suspender is matched with the abutting locking block, the abutting locking block is limited at the annular groove by the locking disc body and the limiting protrusion.

Further, a first through hole is formed in the limiting protrusion, and a second through hole is formed in the protruding block.

Further, the limiting protrusions are uniformly distributed circumferentially.

Further, the special-shaped through holes comprise disc-shaped through holes matched with the locking disc body in size and limit concave holes distributed on the periphery of the disc-shaped through holes, and the number of the limit concave holes is consistent with that of the limit protrusions.

Further, the number of the limit protrusions is three.

Further, the bump is disposed at the edge of the abutting locking piece.

Further, a hanging hole is formed in the hanging lug.

Compared with the prior art, the utility model has the following beneficial effects:

this hoist adopts separable mode, when using, will insert in burying the main part and insert the hole that the pier stud was seted up, and with butt locking piece and locking disk body cooperation, wherein, rotate butt locking piece or jib, restrict butt locking piece at annular groove, be connected this hoist with the pier stud, when dismantling, can be according to the reverse operation of above step, can realize the hoist and be connected or the separation of pier stud, the design of no bolt, the efficiency has been promoted, the degree of difficulty of construction operation has been reduced, simultaneously, this hoist, small in size, after dismantling the separation, can conveniently accomodate.

Drawings

FIG. 1 is a schematic view of a prefabricated pier according to the present utility model after a spreader embodiment is inserted into the pier;

FIG. 2 is a schematic perspective view of an embodiment of a spreader for prefabricated pier according to the present utility model;

FIG. 3 is a schematic view showing a partial structure of a hanger bar in an embodiment of a prefabricated pier stud hanger according to the present utility model;

FIG. 4 is a schematic perspective view of a locking tray in an embodiment of a spreader for prefabricated pier according to the present utility model;

reference numerals in the drawings of the specification include:

boom 1, annular groove 10, insert buried body 11, locking disk body 12, spacing protruding 120, first through-hole 121, butt locking piece 2, dysmorphism through-hole 20, disk-shaped through-hole 200, spacing shrinkage pool 201, lug 21, second through-hole 210, lug 3, hanging hole 30, prefabricated pier stud 4.

Detailed Description

In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted, and that like or similar reference numerals in the drawings correspond to like or similar components in the embodiments of the present utility model; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

Examples:

as shown in fig. 1-4, the lifting appliance for the prefabricated pier stud comprises a lifting rod 1, wherein an annular groove 10 is formed in the periphery of the lifting rod 1, and the lifting rod 1 is divided into an embedded main body 11 and a locking disc body 12 by the annular groove 10;

the lifting lug 3 is connected with the end part of the embedded main body 11, and a lifting hole 30 is formed in the lifting lug 3, wherein the lifting hole 30 is an acting point for connection of a crane.

A plurality of limiting protrusions 120 are connected to the periphery of the locking disc body 12, and the plurality of limiting protrusions 120 are uniformly distributed in a circumference manner; the abutting locking block 2 is provided with a special-shaped through hole 20 matched with the locking disc body 12 and the limiting bulge 120;

the convex block 21 is arranged outside the special-shaped through hole 20 and connected with the abutting locking piece 2, and the convex block 21 is arranged at the edge of the abutting locking piece 2, in particular to the bottom of the abutting locking piece 2;

when the boom 1 is matched with the abutting lock block 2, the abutting lock block 2 is limited at the annular groove 10 by the locking disc body 12 and the limiting protrusion 120.

The hoist adopts separable mode, when using, will insert in the hole that the pier stud was seted up with the embedding main part 11 to with butt locking piece 2 and locking disk body 12 cooperation, wherein, rotate butt locking piece 2 or jib 1, restrict butt locking piece 2 in annular groove 10, be connected this hoist with the pier stud, when dismantling, can be according to the reverse operation of above step, can realize hoist and pier stud's connection and separation, reduced the degree of difficulty of construction operation, promoted efficiency.

Specifically, special-shaped through hole 20 includes with locking disk body 12 size assorted disk-shaped through hole 200 and distributes in disk-shaped through hole 200 circumference spacing shrinkage pool 201, spacing shrinkage pool 201 is consistent with spacing protruding 120 quantity, first through-hole 121 has been seted up on the spacing protruding 120, second through-hole 210 has been seted up on the lug 21, in addition, the quantity of spacing protruding 120 is three, like this, adjacent spacing protruding 120 central line is 120 degrees contained angles, after locking disk body 12 passes special-shaped through hole 20, rotate jib 1 or butt latch piece 2, make first through-hole 121 and second through-hole 210 align, utilize the bolt to penetrate, link together both, prevent in construction operation, jib 1 and butt latch piece 2 take place relative rotation, make butt latch piece 2 break away from special-shaped through hole 20, lose the connection to the mound post, avoid the condition emergence of incident, this hoist, small in size, after dismantling the separation hoist, can conveniently accomodate.

The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.

Claims

1. A spreader for prefabricated pier studs, comprising:

the periphery of the suspender is provided with an annular groove which divides the suspender into an embedded main body and a locking disc body;

the lifting lug is connected with the end part of the embedded main body;

2. The spreader for prefabricated pier studs according to claim 1, wherein: the limiting protrusion is provided with a first through hole, and the bump is provided with a second through hole.

3. The spreader for prefabricated pier stud according to claim 1 or 2, wherein: the limiting protrusions are uniformly distributed circumferentially.

4. The spreader for prefabricated pier stud according to claim 1 or 2, wherein: the special-shaped through holes comprise disc-shaped through holes matched with the locking disc body in size and limit concave holes distributed on the periphery of the disc-shaped through holes, and the number of the limit concave holes is consistent with that of the limit protrusions.

5. The spreader for prefabricated pier studs according to claim 1, wherein: the number of the limit protrusions is three.

6. The spreader for prefabricated pier studs according to claim 5, wherein: the protruding block is arranged at the edge of the abutting locking block.

7. The spreader for prefabricated pier studs according to claim 1, wherein: and a hanging hole is formed in the hanging lug.