CN221314619U - Box girder end mould demoulding device - Google Patents

Abstract

The utility model provides a box girder end mould demoulding device which comprises a positioning sleeve, a positioning shaft, a pushing sleeve, a butt plate and a telescopic pushing piece, wherein the positioning sleeve is used for being connected with the outer side wall of an end mould, and a positioning groove axially extending to the outer end of the positioning sleeve is formed in the peripheral wall of the positioning sleeve; the positioning shaft is connected in the positioning sleeve in a sliding way, and a positioning block which is in sliding fit with the positioning groove is arranged on the peripheral wall of the positioning shaft; the pushing sleeve is in threaded sleeve connection with the periphery of the positioning sleeve, and the pushing sleeve can axially push the positioning block to the bottom wall of the pressing positioning groove; the abutting plate is connected to the outer end of the positioning shaft; the middle part of the telescopic pushing piece is connected below the positioning shaft through a hanging piece, one end of the telescopic pushing piece is abutted with the bottom die, and the other end of the telescopic pushing piece is abutted with the abutting plate. According to the box girder end mould demoulding device provided by the utility model, the locating shaft can be locked on the locating sleeve through the pushing sleeve, and the end mould is separated from the box girder by matching with the extension pulling end mould of the telescopic pushing piece, so that the stable separation of the end mould and the box girder is realized, and the damage of the box girder is avoided.

Description

Box girder end mould demoulding device

Technical Field

The utility model belongs to the technical field of building construction, and particularly relates to a box girder end mould demoulding device.

Background

The box girder template mainly comprises four parts, namely an outer mold, an inner mold, an end mold and a bottom mold, wherein after concrete pouring of the concrete precast box girder is completed for a period of time, the template is required to be removed and demolded, namely the concrete surfaces of the template and the box girder are separated.

In the prior art, when the opposite end mould is demolded, the end mould is often separated from the box girder by virtue of a large hammer and a crowbar, but the box girder is subjected to an external impact force or extrusion force in such a way, so that the end part of the box girder is subjected to large-area concrete falling, a large number of people are required to repair the box girder again, and the working efficiency is reduced.

Disclosure of utility model

The embodiment of the utility model provides a box girder end mould demoulding device, which can lock a positioning shaft on a positioning sleeve through a pushing sleeve and push a propping plate away from a bottom mould by matching with a telescopic pushing piece, so that an end mould is pulled to separate from a box girder, the stable separation of the end mould and the box girder is realized, and the damage of the box girder is avoided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a case roof beam end mould shedder, including locating sleeve, locating shaft, pushing away cover, butt joint board and flexible pushing away piece, the locating sleeve is used for being connected with the lateral wall of end mould, and the level outwards extends, is equipped with the constant head tank that extends to the locating sleeve outer end axially on the perisporium of locating sleeve; the positioning shaft is connected in the positioning sleeve in a sliding way, and a positioning block which is in sliding fit with the positioning groove is arranged on the peripheral wall of the positioning shaft; the pushing sleeve is in threaded sleeve arrangement on the periphery of the positioning sleeve and is close to the opening end of the positioning groove, and the pushing sleeve can axially push the positioning block to the bottom wall of the groove of the pressing positioning groove so as to lock the axial position of the positioning shaft; the abutting plate is connected to the outer end of the positioning shaft perpendicular to the trend of the positioning shaft, and extends downwards; the middle part of the telescopic pushing piece is connected below the positioning shaft through a hanging piece, one end of the telescopic pushing piece is used for being abutted against the bottom die, the other end of the telescopic pushing piece is used for being abutted against the abutting plate, the telescopic pushing piece can extend outwards to push the abutting plate outwards, and the end die is driven by the positioning sleeve to be separated from the box girder.

In one possible implementation manner, the hanging piece is a hanging hook, the hanging hook is hinged with the positioning shaft through a hinge shaft, the main shaft of the hinge shaft is perpendicular to the main shaft of the telescopic pushing piece, and the peripheral wall of the telescopic pushing piece is provided with a hanging ring which is in hanging fit with the hanging hook.

In some embodiments, the lower end of the hook is provided with a bending part which bends upwards, the upper part of the hook is provided with a limit hook which is arranged close to one side of the bending part, the bending part is hinged with a limit swinging seat, and the limit swinging seat can vertically swing to be hooked on the limit hook to seal an opening of the hook.

In some embodiments, the limiting swing seat is slidably connected with the bending part along the up-down direction, and the peripheral thread sleeve of the bending part is provided with a tightening sleeve, so that the tightening sleeve can push the limiting swing seat downwards to enable the limiting swing seat to move downwards and be locked with the limiting hook.

In some embodiments, the spacing seat of putting includes the sliding sleeve of cover locating kink periphery and articulates the link on the sliding sleeve, and the link can vertically swing to the hook on spacing hook, and the sliding sleeve is located the top of sliding sleeve with the axial sliding fit of kink along the kink, top tight cover.

In one possible implementation, a support table extending along the axial direction of the positioning shaft and used for supporting the telescopic pushing piece is arranged on one side of the abutting plate, which is close to the telescopic pushing piece.

In some embodiments, the support table has an arcuate concave surface in contact with the peripheral wall of the telescoping pushing member, the arcuate concave surface having an upward opening and disposed through the support table in an axial direction of the positioning shaft.

In one possible implementation, the two ends of the telescopic pushing piece are respectively provided with a flexible cushion layer.

In one possible implementation, two positioning blocks are provided, and the two positioning blocks are symmetrically arranged on two sides of the positioning shaft.

Compared with the prior art, the box girder end mould demoulding device provided by the embodiment can lock the positioning shaft on the positioning sleeve through the threaded fixation of the pushing sleeve and the positioning sleeve, and the pushing abutting plate is far away from the bottom mould by matching with the telescopic pushing piece, so that the end mould is pulled to be separated from the box girder, the stable separation of the end mould and the box girder is realized, and the damage of the box girder is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view partially in section of a box girder end mold demolding device provided by an embodiment of the utility model;

FIG. 2 is a schematic view of a partial enlarged structure at I in FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic front view of the hanger, the stop pendulum, the stop hook and the tightening sleeve of FIG. 1 according to an embodiment of the present utility model;

FIG. 4 is a schematic left-hand view of the support table of FIG. 1 according to an embodiment of the present utility model;

fig. 5 is a right-side view of the positioning sleeve shown in fig. 1 according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1. A box girder; 2. a bottom die; 3. end molding; 10. a positioning sleeve; 11. a positioning groove; 20. positioning a shaft; 21. a positioning block; 30. pushing the sleeve; 40. an abutting plate; 50. a hanger; 51. a hinge shaft; 52. a bending part; 53. a limit hook; 60. a telescopic pushing member; 61. a hanging ring; 62. a flexible cushion layer; 70. limiting the swing seat; 71. a sliding sleeve; 72. hanging rings; 80. tightly jacking the sleeve; 90. a support table; 91. an arc-shaped concave surface.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or be indirectly on the other element. It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present utility model. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a box girder end mold demolding device provided by the utility model will now be described. The box girder end mould demoulding device comprises a locating sleeve 10, a locating shaft 20, a pushing sleeve 30, a butt plate 40 and a telescopic pushing piece 60, wherein the locating sleeve 10 is used for being connected with the outer side wall of an end mould 3 and extends horizontally outwards, and a locating groove 11 extending axially to the outer end of the locating sleeve 10 is formed in the peripheral wall of the locating sleeve 10; the positioning shaft 20 is slidably connected in the positioning sleeve 10, and a positioning block 21 which is slidably matched with the positioning groove 11 is arranged on the peripheral wall of the positioning shaft 20; the pushing sleeve 30 is in threaded sleeve arrangement on the periphery of the positioning sleeve 10 and is arranged close to the opening end of the positioning groove 11, and the pushing sleeve 30 can axially push the positioning block 21 to the bottom wall of the groove of the pressing positioning groove 11 so as to lock the axial position of the positioning shaft 20; the abutting plate 40 is connected to the outer end of the positioning shaft 20 perpendicular to the trend of the positioning shaft 20, and the abutting plate 40 extends downwards; the middle part of the telescopic pushing piece 60 is connected below the positioning shaft 20 through a hanging piece 50, one end of the telescopic pushing piece 60 is used for being abutted against the bottom die 2, the other end of the telescopic pushing piece 60 is used for being abutted against the abutting plate 40, the telescopic pushing piece 60 can extend outwards to push the abutting plate 40 outwards, and the end die 3 is driven by the positioning sleeve 10 to be separated from the box girder 1.

The positioning sleeve 10 is welded on the end die 3, and after the positioning block 21 is inserted into the positioning groove 11, the positioning block 21 protrudes out of the periphery of the positioning sleeve 10.

In the practical use process, when the end mould 3 is required to be separated from the box girder 1, the positioning block 21 is aligned with the positioning groove 11, the positioning shaft 20 is aligned with the positioning sleeve 10, the positioning shaft 20 is inserted into the positioning sleeve 10, the pushing sleeve 30 is rotated, the pushing sleeve 30 axially pushes the positioning block 21 along the positioning shaft 20 until the positioning block 21 is abutted against the bottom wall of the groove of the positioning groove 11, the relative fixation of the positioning shaft 20 and the positioning sleeve 10 is realized, then the telescopic pushing piece 60 is hung on the hanging piece 50, a worker is required to hold the telescopic pushing piece 60, the telescopic end of the telescopic pushing piece 60 is abutted against the bottom mould 2, the tail end is abutted against the abutting plate 40, the telescopic pushing piece 60 is continuously elongated, the abutting plate 40 is far away from the bottom mould 2, the end mould 3 is pulled to be separated from the box girder 1, the stable separation of the end mould 3 and the box girder 1 is realized, and the damage of the box girder 1 is avoided.

Compared with the prior art, the box girder end mould demoulding device provided by the embodiment can lock the positioning shaft 20 on the positioning sleeve 10 through the threaded fixation of the pushing sleeve 30 and the positioning sleeve 10, and the abutting plate 40 is pushed away from the bottom mould 2 by the telescopic pushing piece 60, so that the end mould 3 is pulled to be separated from the box girder 1, the stable separation of the end mould 3 and the box girder 1 is realized, and the damage of the box girder 1 is avoided.

Alternatively, the telescopic pushing member 60 may be an oil cylinder, or may be a screw jack, which is not limited herein.

In one possible implementation manner, the hanger 50 is configured as shown in fig. 1 to 3, referring to fig. 1 to 3, where the hanger 50 is a hook, the hook is hinged to the positioning shaft 20 through a hinge shaft 51, a main axis of the hinge shaft 51 is perpendicular to a main axis of the telescopic pushing member 60, and a hanging ring 61 engaged with the hook is provided on a peripheral wall of the telescopic pushing member 60.

Specifically, the hook can swing vertically, so that the condition that the hook is bent due to the fact that the lifting ring 61 applies force along the axial direction of the telescopic pushing piece 60 to the hook in the process of installing the telescopic pushing piece 60 is avoided, meanwhile, the flexibility of use is improved due to the hinged hook, and the hook of the hook and the lifting ring 61 is facilitated.

In some embodiments, referring to fig. 1 to 3, the lower end of the hook has a bending portion 52 bent upwards, the upper portion of the hook is provided with a limiting hook 53 disposed near one side of the bending portion 52, the bending portion 52 is hinged with a limiting swing seat 70, and the limiting swing seat 70 can vertically swing to be hooked on the limiting hook 53 to block the opening of the hook.

Specifically, the hanging ring 61 is firstly hooked on the hook, then the vertical swing limit swinging seat 70 is hooked on the limit hook 53 to block the opening of the hanging hook, so that stable hooking of the hook and the hanging ring 61 is ensured, and falling of the telescopic pushing piece 60 during dismounting or mounting of the positioning shaft 20 is avoided.

In some embodiments, referring to fig. 1 to 3, the limit swing seat 70 is slidably connected to the bending portion 52 along the up-down direction, and a tightening sleeve 80 is sleeved on the outer periphery of the bending portion 52, where the tightening sleeve 80 can push the limit swing seat 70 downward to make the limit swing seat 70 move downward and lock with the limit hook 53.

Specifically, the tightening sleeve 80 can push the limit swing seat 70 downward so that the limit swing seat 70 has a tendency of pulling down the limit hook 53, so that the swing of the limit swing seat 70 is limited, the hooking stability of the limit swing seat 70 and the limit hook 53 is further ensured, and the indirect hooking stability of the telescopic pushing piece 60 and the positioning shaft 20 is also ensured.

In some embodiments, referring to fig. 1 to 3, the limit swing seat 70 includes a sliding sleeve 71 sleeved on the periphery of the bending portion 52 and a hanging ring 72 hinged on the sliding sleeve 71, the hanging ring 72 can vertically swing to be hooked on the limit hook 53, the sliding sleeve 71 and the bending portion 52 are in sliding fit along the axial direction of the bending portion 52, and the propping sleeve 80 is located above the sliding sleeve 71.

Specifically, the hanging ring 72 is hinged to the outer peripheral wall of the sliding sleeve 71. The limiting hook 53 is arranged near the bending part 52, and the sliding sleeve 71 is in sliding fit with the bending part 52, so that the hanging ring 72 can be stably hung on the limiting hook 53 under the pushing of the pushing sleeve 80.

The hanging ring 72 is rectangular and annular, so that the hanging ring is convenient to hang on the limiting hook 53 and can be prevented from being separated from the limiting hook 53.

In one possible implementation, the abutting plate 40 adopts a structure as shown in fig. 1 and 4, and referring to fig. 1 and 4, a supporting table 90 extending along the axial direction of the positioning shaft 20 and used for supporting the telescopic pushing member 60 is disposed on a side of the abutting plate 40 near the telescopic pushing member 60.

Specifically, when the telescopic pushing piece 60 is installed, the telescopic pushing piece 60 is firstly hung on a hook, then the tail end of the telescopic pushing piece 60 is placed on the bearing table 90 for pushing the abutting plate 40, the telescopic pushing piece 60 can be stably in a horizontal state, the telescopic end of the telescopic pushing piece 60 is used for abutting against the bottom die 2 for applying force, and the tedious process of manually leveling the telescopic pushing piece 60 by a worker is avoided.

In some embodiments, referring to fig. 1 and 4, the support table 90 has an arc-shaped concave lower surface 91 in contact with the peripheral wall of the telescopic pushing member 60, and the arc-shaped concave lower surface 91 has an upward opening and is disposed through the support table 90 along the axial direction of the positioning shaft 20.

Specifically, the arc-shaped concave lower surface 91 is configured to accommodate the tail end of the telescopic pushing element 60, and limit the tail end of the telescopic pushing element 60, so as to avoid horizontal shake of the telescopic pushing element 60 on the support table 90.

In one possible implementation, the telescopic pushing member 60 is configured as shown in fig. 1, and two ends of the telescopic pushing member 60 are respectively provided with a flexible cushion layer 62.

Specifically, the flexible cushion layer 62 prevents the telescopic pushing member 60 from scratching the abutment plate 40 and the bottom die 2 during use.

Optionally, the flexible cushion layer 62 is made of a rubber material, so that not only is the scratch of the telescopic pushing piece 60 to the abutting plate 40 or the bottom die 2 avoided in the use process, but also the direct friction force between the telescopic pushing piece 60 and the abutting plate 40 and the bottom die 2 is increased, and the telescopic pushing piece 60 is enabled to stably push the abutting plate 40.

In one possible implementation manner, the positioning blocks 21 adopt a structure as shown in fig. 1, and referring to fig. 1, two positioning blocks 21 are provided, and two positioning blocks 21 are symmetrically disposed on two sides of the positioning shaft 20.

Specifically, two positioning grooves 11 are symmetrically formed in the positioning sleeve 10, and the positioning shafts 20 can be balanced in stress under the pushing of the pushing sleeve 30 to the positioning blocks 21 due to the two positioning blocks 21, so that the positioning shafts 20 are prevented from applying lateral extrusion force to the positioning sleeve 10.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (9)

1. Case roof beam end form shedder, its characterized in that includes:

The positioning sleeve is connected with the outer side wall of the end die and extends horizontally and outwards, and a positioning groove extending axially to the outer end of the positioning sleeve is formed in the peripheral wall of the positioning sleeve;

the positioning shaft is connected in the positioning sleeve in a sliding way, and a positioning block which is in sliding fit with the positioning groove is arranged on the peripheral wall of the positioning shaft;

the pushing sleeve is sleeved on the periphery of the positioning sleeve in a threaded manner and is arranged close to the opening end of the positioning groove, and the pushing sleeve can axially push the positioning block to the bottom wall of the groove which is propped against the positioning groove so as to lock the axial position of the positioning shaft;

The abutting plate is connected to the outer end of the positioning shaft in a direction perpendicular to the trend of the positioning shaft and extends downwards; and

The middle part of the telescopic pushing piece is connected to the lower part of the positioning shaft through a hanging piece, one end of the telescopic pushing piece is used for being abutted to the bottom die, the other end of the telescopic pushing piece is used for being abutted to the abutting plate, and the telescopic pushing piece can extend outwards to push the abutting plate outwards and drive the end die to be separated from the box girder by means of the positioning sleeve.

2. The box girder end mould demoulding device according to claim 1, wherein the hanging piece is a hanging hook, the hanging hook is hinged with the positioning shaft through a hinge shaft, a main shaft of the hinge shaft is perpendicular to a main shaft of the telescopic pushing piece, and a hanging ring which is in hanging fit with the hanging hook is arranged on the peripheral wall of the telescopic pushing piece.

3. The box girder end mould demoulding device according to claim 2, wherein the lower end of the hook is provided with a bending part which is bent upwards, the upper part of the hook is provided with a limit hook which is arranged close to one side of the bending part, the bending part is hinged with a limit swinging seat, and the limit swinging seat can vertically swing to be hooked on the limit hook to block the opening of the hook.

4. The box girder end mold demolding device according to claim 3, wherein the limiting swing seat is in sliding connection with the bending part along the up-down direction, a tightening sleeve is sleeved on the periphery of the bending part, and the tightening sleeve can push the limiting swing seat downwards so as to enable the limiting swing seat to move downwards and be locked with the limiting hook.

5. The box girder end mold demolding device according to claim 4, wherein the limiting swing seat comprises a sliding sleeve sleeved on the periphery of the bending part and a hanging ring hinged to the sliding sleeve, the hanging ring can vertically swing to be hooked on the limiting hook, the sliding sleeve is in sliding fit with the bending part along the axial direction of the bending part, and the jacking sleeve is positioned above the sliding sleeve.

6. The box girder end mold stripping device according to claim 1, wherein a supporting table which extends along the axial direction of the positioning shaft and is used for supporting the telescopic pushing piece is arranged on one side of the abutting plate close to the telescopic pushing piece.

7. The end form stripper apparatus of claim 6 wherein said support table has an arcuate concave lower surface in contact engagement with the peripheral wall of said telescoping jack, said arcuate concave lower surface having an upward opening and disposed through said support table in the axial direction of said locating shaft.

8. The box girder end mould demoulding device according to claim 1, wherein the two ends of the telescopic pushing piece are respectively provided with a flexible cushion layer.

9. The box girder end mold demolding device according to claim 1, wherein two positioning blocks are arranged, and the two positioning blocks are symmetrically arranged on two sides of the positioning shaft.