CN213829515U

CN213829515U - Box girder external mold with adjustable web template

Info

Publication number: CN213829515U
Application number: CN202022752425.1U
Authority: CN
Inventors: 王斌; 刁先觉; 林彬; 聂启波; 陈玉良; 崔瑞峰; 商小平; 万添源; 唐嘉贤; 黄健柏
Original assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Current assignee: Road and Bridge International Co Ltd; Road and Bridge South China Engineering Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-07-30
Anticipated expiration: 2030-11-24

Abstract

The utility model relates to a web template adjustable case roof beam external mold, include: the die block, the web template with the die block concatenation, set up in the support frame in the web template outside, the upper end and the support frame swing joint of web template, the lower extreme and the support frame of web template pass through the angle modulation connecting piece and are connected, the lower extreme of web template still is provided with a connection structure, be provided with two at least connecting holes on the first connection structure, be provided with the fixed orifices corresponding with the connecting hole on the support frame, can dismantle the connecting piece and pass fixed orifices and a connecting hole, connect web template and support frame, the same pitch arc setting that the angle that the connecting hole corresponds with adjustable along the web template. The angle of web template slope's regulation has been realized through angle modulation connecting piece, and sets up a plurality of connecting holes on the round pin ear down, is convenient for correspond different connecting holes and fixed orifices based on the angle after the regulation to guarantee the work progress, the stability of web template angle.

Description

Box girder external mold with adjustable web template

Technical Field

The utility model relates to a building technical field, concretely relates to web template adjustable case roof beam external mold.

Background

In the construction process of the precast beam, a fixed angle is formed after the conventional precast beam external mold is installed, and in the installation process, if a web template of the external mold moves, the inclination angle of the precast beam web template is inaccurate or the error is large, so that the line type and the stress structure of the bridge are not satisfactory in the bridge construction process. If the inclination angle of the web plate template is accurate, the whole external mold needs to be detached to adjust the inclination angle of the web plate template, and the installation time of the external mold of the precast beam is prolonged. Meanwhile, the angle of the web plate template in the conventional external mold structure is fixed, so that the same height of the precast beam and the precast beams with different web plate template inclination angles cannot adopt the same external mold, and the manufacturing cost of the precast beam is increased.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problems, in particular to the problems that the whole external mold needs to be disassembled for adjusting the inclination angle of the web plate template and the precast beams with the same height and different inclination angles of the web plate template cannot adopt the same external mold, the following technical scheme is specially provided:

the embodiment of the application provides a web template adjustable case roof beam external mold includes: die block, with the web template of die block concatenation, set up in the support frame in the web template outside, the upper end of web template with support frame swing joint, the lower extreme of web template with the support frame passes through the angle modulation connecting piece and connects, the lower extreme of web template still is provided with a connection structure, be provided with two at least connecting holes on the first connection structure, be provided with on the support frame with the corresponding fixed orifices of connecting hole can dismantle the connecting piece and pass fixed orifices and one the connecting hole is connected the web template with the support frame, the connecting hole along same pitch arc setting that the angle adjustable web template corresponds.

Optionally, the first connecting structure is a lower pin lug arranged at the lower end of the web template.

Optionally, the lower end of the support frame is provided with a lower connecting rod parallel to the axis of the outer die, one end of the angle adjusting connector is connected with the web template, and the other end of the angle adjusting connector is connected with the lower connecting rod.

Optionally, the cross section of support frame is the frame shape, supports the down tube of web template, set up in the down tube both ends and the parallel last parallel connection and the parallel connection down of each other and connect two the truss of last parallel connection and parallel connection down constitutes jointly the frame shape, down the parallel connection with be provided with the bracing between the down tube, the connecting rod set up in down the parallel connection connect the one end of down tube.

Optionally, the upper end of the diagonal rod is provided with a bolt, the upper end of the web template is provided with an upper pin lug, and a waist-shaped hole through which the bolt penetrates is formed in the upper pin lug.

Optionally, the angle adjustment connection comprises an adjustment screw.

Optionally, the slope range of the web form is: 3:1-4.5:1.

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

the application embodiment provides a web template adjustable case roof beam external mold includes: die block, with the web template of die block concatenation, set up in the support frame in the web template outside, the upper end of web template with support frame swing joint, the lower extreme of web template with the support frame passes through the angle modulation connecting piece and connects, the lower extreme of web template still is provided with a connection structure, be provided with two at least connecting holes on the first connection structure, be provided with on the support frame with the corresponding fixed orifices of connecting hole can dismantle the connecting piece and pass fixed orifices and one the connecting hole is connected the web template with the support frame, the connecting hole along same pitch arc setting that the angle adjustable web template corresponds. In the embodiment that the application provided, the regulation of the angle of web template slope has been realized through angle modulation connecting piece, and set up a plurality of connecting holes on the round pin ear down, be convenient for based on the angle after the regulation, correspond different connecting holes and fixed orifices, so that the connecting piece passes fixed orifices and connecting hole and realizes being connected of external mold and support frame, can also guarantee simultaneously that angle modulation connecting piece atress is less and to the supporting role of web template, in order to guarantee the work progress, the stability of web template angle.

In the embodiment that this application provided, the down tube upper end is provided with the bolt, web template upper end is provided with the round pin ear, be provided with the waist type hole that the bolt wore to establish on the round pin ear, and the round pin ear sets up two at least connecting holes down. The structure of this application is comparatively simple for angle modulation structure is comparatively simple, and the structure of dismantling is less in the angle modulation process simultaneously, and the installation of structure is dismantled more portably in the web template angle modulation process.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is the structure schematic diagram of the web template in the box girder external mold with adjustable web template of the utility model.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, but do not preclude the presence or addition of one or more other features, integers, steps, operations, and/or groups thereof.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The box girder external mold with the adjustable web template provided by the embodiment of the application is shown in fig. 1 and comprises: the bottom die, the web template 1 connected with the bottom die, the support frame 2 arranged on the outer side of the web template 1, and at least two angle adjusting connecting pieces 3 for adjusting the inclination angle of the web template 1, wherein the lower end of the web template 1 is connected with the support frame 2 through the angle adjusting connecting pieces 3. In the embodiment that this application provided, the one side that web template 1 lower extreme is close to support frame 2 is provided with the connection otic placode, offers the connecting hole of being connected with angle connector 3 on the otic placode, and angle connector 3 one end is connected with angle through threaded connection spare, and the other end is connected with the lower extreme of support frame 2 to this when the inclination of angle connector regulation web template, can stably support web template 1 simultaneously, make web template 1 stabilize at an angle.

In the embodiments provided in the present application, as shown in fig. 1, when the inclination angle of the web template is adjustable, the slope range of the corresponding web template is: 3:1-4.5:1, optionally the slope of the web form may be adjusted to 3.5:1 or 4: 1. The angle adjusting connection 3 comprises an adjusting screw. Two ends of the adjusting screw rod are respectively detachably connected with the web template 1 and the supporting frame. Optionally, the detachable connection is realized by using a bolt and a nut. Because the position of the support frame 2 is fixed, the web template 1 is ejected out of the support frame 2 for a distance by adjusting the total length of the adjusting screw rod, and the position of the support point at the upper end of the web template is unchanged, so that the slope ratio of the web template 1 can be adjusted to be 3.5: 1. By shortening the total length of the adjusting screw rod, the web template 1 is further pulled close to the support frame 2 for a distance, and the position of the support point at the upper end of the web template 1 is unchanged, so that the slope ratio of the web template 1 can be adjusted to be 4: 1.

The support frame is of a truss structure, the upper end of the web template is supported on a connecting rod or a platform at the upper end of the truss, and when the inclination angle of the web template is adjusted, the support point at the upper end of the web template is unchanged.

In the embodiment of the application, as shown in fig. 1, in order to ensure the stability of the web template 1 during the precast beam, the web template is prevented from being stressed by the precast beam, and the angle is changed, and the upper end and the lower end of the web template need to be connected with the support frame respectively. Wherein, web template 1's upper end and support frame 2 swing joint are convenient for dismantle too much connecting piece at the inclination of adjustment web template 1 to simple and convenient web template inclination adjusts the step, and inclination adjusts the regulation that is the web template slope promptly. The lower extreme of web template 1 still is provided with first connection structure 11, is provided with two at least connecting holes 111 on the first connection structure 11, is provided with the fixed orifices corresponding with connecting hole 111 on the support frame 2, can dismantle the connecting piece and pass fixed orifices and a connecting hole 111, connects web template 1 and support frame 2.

When two connection holes 111 are formed in the first connection structure 11, and when the fixing hole is connected to one connection hole 111 close to the web form 1, the slope of the web form is 3.5: 1; when the fastening hole is connected to one of the connection holes 111 far from the web form, the slope of the web form is 4: 1. that is, the closer the distance between the connection hole 111 formed in the first connection structure 11 and the web form 1 is, the smaller the corresponding slope is, so as to meet the requirement of the slope of the web of the precast beam. Connecting hole 111 is along the same pitch arc setting that the angle that web template 1 is adjustable corresponded, because the fixed orifices on the support frame 2 is fixed position, the position of 2 upper ends of support frame are placed to web template 1, correspond with the fixed orifices in order to guarantee connecting hole 111, consequently set up connecting hole 111 on the pitch arc that the angle that the web was adjusted corresponds, and at same pitch arc.

Continuing to refer to fig. 1, set up two connecting holes on the first connection structure 11 and make web template 1 under different slopes, can both guarantee that first connection structure 11 can be connected with support frame 2 firmly, for the ease of adjusting the inclination of web template 1, guarantee the steadiness that web template 1 and support frame 2 are connected simultaneously. The first connecting structure 11 is detachably connected with the support frame 2, namely, the detachable connecting piece penetrates through a connecting hole in the first connecting structure 11 and a fixing hole in the support frame 2, and the web template 1 is stably connected with the support frame 2. Optionally, more connecting holes may be disposed in the first connecting structure 11 according to other inclination angles of the web template 1 to be adjusted, so as to ensure stability of the inclination angle of the web template 1, that is, stability of the slope of the web template. Optionally, the first connecting structure 11 is a lower pin lug arranged at the lower end of the web template 1, the lower pin lug ensures the distance between the web template 1 and the support frame 2, and the web template 1 can be fastened on the support frame 2, so that the stability of the inclination angle of the web template 1 is ensured.

In the embodiments provided herein, the precast beams are of a lengthwise type structure. Correspondingly, as shown in fig. 1, the supporting frame 2 is also of an elongated structure, whereas in the present application, the supporting frame 2 is of a truss structure. Therefore, the lower end of the support frame 2 is provided with a lower connecting rod 21 parallel to the axis of the outer die, one end of the angle adjusting connector 3 is connected with the web template 1, and the other end is connected with the lower connecting rod 21. In order to guarantee the consistency of the whole structure of the web template 2, at least two angle adjusting connecting pieces 3 are arranged along the longitudinal direction of the web template, and when the two angle adjusting connecting pieces 3 are arranged, the angle adjusting connecting pieces 3 are arranged at two ends of the longitudinal direction of the web template.

Continuing to refer to fig. 1, because the support frame 2 of the present application is a truss structure, the cross section of the support frame 2 is frame-shaped, the diagonal rod 22 of the support web template 1, the upper parallel connection 23 and the lower parallel connection 24 which are arranged at two ends of the diagonal rod 22 and are parallel to each other, and the truss 25 connecting the two upper parallel connections 23 and the lower parallel connection 24 jointly form a frame-shaped cross section of the support frame 2, the stability of the whole structure can be ensured by adopting the frame-shaped structure, the whole support frame is composed of a plurality of frame-shaped structures, and a construction platform of workers can be built on the upper parallel connection 23, so that the workers can construct the support frame.

In order to ensure the stability of the supporting frame structure and the safety of the construction platform, a stiffening plate 27 is arranged between the upper horizontal connector 23 and the diagonal rod 22 as shown in fig. 1. An inclined strut 26 is arranged between the lower horizontal connector 24 and the inclined rod 22 to ensure the supporting force of the inclined rod 22 to the web plate template 1, the lower connecting rod 21 is arranged at one end of the lower horizontal connector 24 connected with the inclined rod 22, and the lower connecting rod 21 is connected with each frame in a full-length mode to form the supporting frame 2 of the truss structure. Correspondingly, in order to ensure the stability of the support frame, the frames are connected together to form the support frame 2, a rear lower connecting rod 28 is further arranged on one side of the lower end of the truss, which is back to the inclined rod, a rear upper connecting rod 29 is further arranged on one side of the upper end of the truss, which is back to the inclined rod, and the rear lower connecting rod 28 and the rear upper connecting rod 29 are connected with the frames in a whole length mode.

In the embodiment provided by the application, as shown in fig. 1, the upper end of the diagonal rod 22 is provided with the bolt 221, the upper end of the web template 1 is provided with the upper pin lug 12, the upper pin lug 12 is provided with the waist-shaped hole 121 through which the bolt penetrates, when the inclination angle of the web template 1 is adjusted, the bolt 221 and the waist-shaped hole 121 enable the web template 121 to realize the adjustment of the slope of the upper end of the web template 1 in a sliding manner, which is convenient for the adjustment of the web template, the connection mode between the web template 1 and the support frame 2 is simpler, fewer structural members detached in the angle adjustment process of the web template 1 are provided, and the installation is also simpler and more convenient. In addition, by combining the first connecting structure 11 and the angle connecting member, when the slope of the web template 1 is adjusted, only the extension length of one angle connecting member 3 needs to be adjusted and the connecting holes 111 corresponding to the fixing holes and the first connecting structure 11 need to be adjusted on one cross section, so that the structure and the operation steps for adjusting the slope of the web template 1 are simplified, and the web template is convenient to disassemble.

In conclusion, the application provides a web template adjustable case roof beam external mold includes following beneficial effect:

The above are only some embodiments of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a web template adjustable case roof beam external mold which characterized in that includes: die block, with the web template of die block concatenation, set up in the support frame in the web template outside, the upper end of web template with support frame swing joint, the lower extreme of web template with the support frame passes through the angle modulation connecting piece and connects, the lower extreme of web template still is provided with a connection structure, be provided with two at least connecting holes on the first connection structure, be provided with on the support frame with the corresponding fixed orifices of connecting hole can dismantle the connecting piece and pass fixed orifices and one the connecting hole is connected the web template with the support frame, the connecting hole along same pitch arc setting that the angle adjustable web template corresponds.

2. The adjustable web form external mold for box girders according to claim 1, wherein the first connecting structure is a lower pin lug disposed at the lower end of the web form.

3. The external mold for box girders with adjustable web templates as claimed in claim 1, wherein the lower end of the support frame is provided with a lower connecting rod parallel to the axis of the external mold, and one end of the angle-adjusting connecting piece is connected with the web template and the other end is connected with the lower connecting rod.

4. The external mold for box girders with adjustable web templates of claim 3, wherein the cross section of the supporting frame is frame-shaped, the diagonal bar supporting the web templates, the upper parallel connection and the lower parallel connection which are arranged at two ends of the diagonal bar and are parallel to each other, and the truss connecting the two upper parallel connections and the lower parallel connection together form the frame shape, the diagonal bar is arranged between the lower parallel connection and the diagonal bar, and the lower connecting rod is arranged at one end of the lower parallel connection connected with the diagonal bar.

5. The external box beam mold with the adjustable web templates as claimed in claim 4, wherein the upper ends of the inclined rods are provided with pins, the upper ends of the web templates are provided with upper pin lugs, and waist-shaped holes through which the pins penetrate are formed in the upper pin lugs.

6. The adjustable web form external box beam die of claim 1, wherein the angle adjustment connector comprises an adjustment screw.

7. The adjustable web form external mold for box girders according to claim 1, wherein the slope range of the web form is: 3:1-4.5:1.