CN217517372U - Prestressed concrete cast-in-situ box girder mold supporting mechanism - Google Patents

Abstract

The utility model discloses a prestressed concrete cast-in-place box girder mould supporting mechanism, including linking up the frame and extending the frame, the both ends movable mounting who links up the frame has the extension frame, a side surface that links up the frame just is close to both ends fixed mounting and has the lagging. A cast-in-place case roof beam mould supporting mechanism of prestressed concrete, when the use length of extension frame is adjusted to needs, promote the jam plate, make two jam plates of lagging front surface keep away from each other, when the jam plate keeps away from each other, the post of inserting of jam plate just can be taken out from the jack of extension frame, alright use length with convenient adjustment extension frame this moment, after extension frame length change, the external force that promotes the jam plate is got rid of to the pine, the jam plate rebounds to the normal position under the spring action of lagging this moment, alright so in order to make the post of inserting insert the jack of extension frame once more, thereby carry out the injecing of position to the extension frame after the change, just so can make the extension frame more convenient in adjusting length, effectively save the time.

Description

Prestressed concrete cast-in-situ box girder mould supporting mechanism

Technical Field

The utility model relates to a selective examination device field, in particular to prestressed concrete cast-in-place box girder mould supporting mechanism.

Background

When the box girder type bridge is constructed by adopting a cast-in-place method, the pouring of the cantilever box girder generally adopts a hanging basket method, and a box indoor template is supported by a bracket;

however, the existing cast-in-place box girder mold supporting mechanism has some disadvantages, for example, application No. 202021898648.2 discloses "an adjustable cast-in-place box girder indoor formwork support, which comprises two linking frames, each linking frame comprises an upper cross rod and a lower cross rod, the upper cross rod and the lower cross rod are connected through a plurality of vertical rods, the upper cross rods and the lower cross rods of the two linking frames are connected through a plurality of cross rods, and the upper cross rods and the lower cross rods are both of sleeve type telescopic structures. The utility model discloses when the case roof beam inner box widen, can directly adjust through upper and lower horizontal pole is flexible, need not reprocess the formwork support, practice thrift engineering time and cost ", the bolt need extract one by one when extracting, also need insert one by one when reinserting, relatively troublesome and waste time like this.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cast-in-place case roof beam mould supporting mechanism of prestressed concrete can effectively solve the technical problem in the background art.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a cast-in-place box girder mould supporting mechanism of prestressed concrete, includes to link up the frame and extend the frame, the both ends movable mounting who links up the frame has an extension frame, a side surface that links up the frame just is close to both ends fixed mounting and has the lagging, the front surface of lagging just is close to top and below movable mounting and has the jam plate, the inside upper surface and the lower fixed surface that link up the frame install the anchor strut.

Preferably, the holding frame consists of an upper cross rod, a lower cross rod and a vertical rod connecting the upper cross rod and the lower cross rod, positioning holes are formed in the upper surface of the upper cross rod and the lower surface of the lower cross rod and close to the two ends of the upper cross rod and the lower cross rod, and accommodating grooves are formed in the surfaces of the two ends of the upper cross rod and the lower cross rod.

Preferably, the both sides surface of lagging just is close to upper end and lower extreme fixed mounting has the mounting panel, the front surface of lagging just is close to the upper end and the lower extreme has seted up the rebound groove, the inside fixed mounting in rebound groove has the guide arm, the surface cover of guide arm is equipped with the spring.

Preferably, the jam plate comprises stirring board, riser and clamp plate, the front surface of riser is close to below fixed mounting and has the stirring board, the rear surface of riser is close to top fixed mounting and has the clamp plate, the one end fixed mounting that the riser was kept away from to the lower surface of clamp plate has the post of inserting, the rear surface of riser is close to below fixed mounting and has the cover block.

Preferably, the extension frame comprises body frame and extension board, the both ends fixed surface of body frame installs the extension board, the jack has been seted up to the one end that the body frame was kept away from on the surface of extension board, the quantity position a plurality of jack.

Preferably, the one end of extension board is inlayed and is established in accomodating the groove, the cover block cover is established on the surface of guide arm, the lower extreme of inserting the post passes the locating hole and inlays and establish in the jack, the cover board passes through the mounting panel and links up the frame fixedly, the one end and the resilience groove of spring are connected, the other end and the cover block of spring are connected.

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

the utility model discloses in, through setting up the lagging, the jam plate, link up the frame and extend the mode that the frame was mutually supported, when the use length of frame is extended in needs adjustment, promote the jam plate, make two jam plates of lagging front surface keep away from each other, when the jam plate was kept away from each other, the post of inserting of jam plate just can be taken out from the jack of extending the frame, alright use length with convenient adjustment extension frame this moment, after extending frame length change, the external force that promotes the jam plate is got rid of to the pine, the jam plate rebounds to the normal position under the spring action of lagging this moment, alright so with in making to insert the post once more and insert the jack of extending the frame, thereby carry out the injecing of position to the extension frame after the change, just so can make the extension frame more convenient when adjusting length, the time has effectively been saved.

Drawings

FIG. 1 is the overall structure diagram of the prestressed concrete cast-in-situ box girder mold supporting mechanism of the utility model;

FIG. 2 is a view of the construction of the support frame of the prestressed concrete cast-in-situ box girder mold support mechanism of the present invention;

FIG. 3 is a structural view of a sleeve plate of the supporting mechanism of the prestressed concrete cast-in-situ box girder mold of the utility model;

FIG. 4 is a lock plate structure view of the support mechanism of the prestressed concrete cast-in-situ box girder mold of the utility model;

fig. 5 is the utility model relates to an extension frame structure chart of prestressed concrete cast-in-place box girder mould supporting mechanism.

In the figure: 1. a connecting frame; 101. an upper cross bar; 102. a lower cross bar; 103. a vertical rod; 104. positioning holes; 105. a storage groove; 2. an extension frame; 201. a main frame; 202. an extension plate; 203. a jack; 3. sheathing; 301. mounting a plate; 302. a rebound groove; 303. a guide bar; 304. a spring; 4. a locking plate; 401. a vertical plate; 402. a poking plate; 403. pressing a plate; 404. inserting a column; 405. sleeving blocks; 5. and a reinforcing rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Example 1

As shown in fig. 1-5, a prestressed concrete cast-in-situ box girder mold supporting mechanism comprises a connecting frame 1 and extending frames 2, wherein the extending frames 2 are movably installed at two ends of the connecting frame 1, sleeve plates 3 are fixedly installed on the surface of one side of the connecting frame 1 and close to the two ends, locking plates 4 are movably installed on the front surface of each sleeve plate 3 and close to the upper side and the lower side, and reinforcing rods 5 are fixedly installed on the upper surface and the lower surface inside the connecting frame 1;

the holding frame 1 consists of an upper cross rod 101, a lower cross rod 102 and a vertical rod 103 which is connected with the upper cross rod 101 and the lower cross rod 102, positioning holes 104 are respectively arranged on the upper surface of the upper cross rod 101 and the lower surface of the lower cross rod 102 and close to the two ends, accommodating grooves 105 are respectively arranged on the surfaces of the two ends of the upper cross rod 101 and the lower cross rod 102, and the accommodating grooves 105 can hide parts which are not needed by the extension frame 2; mounting plates 301 are fixedly mounted on the two side surfaces of the sleeve plate 3 and close to the upper end and the lower end, rebound grooves 302 are formed in the front surface of the sleeve plate 3 and close to the upper end and the lower end, guide rods 303 are fixedly mounted inside the rebound grooves 302, springs 304 are sleeved on the surfaces of the guide rods 303, and when external force pushing the locking plate 4 is released, the locking plate 4 can rebound to the original position through the springs 304; the locking plate 4 consists of a shifting plate 402, a vertical plate 401 and a pressing plate 403, the shifting plate 402 is fixedly mounted on the front surface of the vertical plate 401 close to the lower part, the pressing plate 403 is fixedly mounted on the rear surface of the vertical plate 401 close to the upper part, an inserting column 404 is fixedly mounted on the lower surface of the pressing plate 403 far away from the vertical plate 401, a sleeve block 405 is fixedly mounted on the rear surface of the vertical plate 401 close to the lower part, and the inserting column 404 inserted into the inserting hole 203 can prevent the extension frame 2 from changing in length; the extension frame 2 consists of a main frame 201 and extension plates 202, the extension plates 202 are fixedly mounted on the surfaces of two ends of the main frame 201, one end, far away from the main frame 201, of the surface of each extension plate 202 is provided with a plurality of insertion holes 203, and the insertion holes 203 are matched with the insertion posts 404, so that the extension frame 2 can be limited in position after the length is changed; one end of the extension plate 202 is embedded in the receiving groove 105, the sleeve block 405 is sleeved on the surface of the guide rod 303, the lower end of the insertion column 404 penetrates through the positioning hole 104 and is embedded in the insertion hole 203, the sleeve plate 3 is fixed with the holding frame 1 through the mounting plate 301, one end of the spring 304 is connected with the rebound groove 302, the other end of the spring 304 is connected with the sleeve block 405, and the guide rod 303 can enable the locking plate 4 to move along the vertical direction when moving.

Example 2

It should be noted that, the utility model relates to a prestressed concrete cast-in-place box girder mold supporting mechanism, when using, when needing to stretch the extension frame 2 to both ends of the holding frame 1, push the lock plate 4 near the top of the front surface of the sleeve plate 3 upwards, push the lock plate 4 near the bottom of the front surface of the sleeve plate 3 downwards, so that the inserting column 404 of the lock plate 4 is drawn out from the inserting hole 203 of the extension frame 2, then the extension frame 2 can be pulled, so that the using length of the extension frame 2 is lengthened, after the extension frame 2 is lengthened to the required length, the external force pushing the lock plate 4 is loosened, at this moment, the lock plate 4 rebounds to the original position under the action of the spring 304, so that the inserting column 404 can be inserted into the inserting hole 203 of the extension frame 2 again, thereby limiting the position of the extension frame 2 after the change, when needing to shorten the using length of the extension frame 2, the extension frame 2 is pushed to the holding frame 1, and the position of the modified extension frame 2 is defined in the same manner.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a cast-in-place case roof beam mould of prestressed concrete struts mechanism which characterized in that: including linking up frame (1) and extending frame (2), the both ends movable mounting who links up frame (1) has extension frame (2), a side surface that links up frame (1) and be close to both ends fixed mounting have lagging (3), the front surface of lagging (3) and be close to top and below movable mounting have jam plate (4), the inside upper surface and the lower fixed surface that link up frame (1) install reinforcing bar (5).

2. The prestressed concrete cast-in-situ box girder mold supporting mechanism as claimed in claim 1, wherein: the holding frame (1) is composed of an upper cross rod (101), a lower cross rod (102) and a vertical rod (103) which is connected with the upper cross rod (101) and the lower cross rod (102), positioning holes (104) are formed in the upper surface of the upper cross rod (101), the lower surface of the lower cross rod (102) and close to the two ends of the upper cross rod and the lower cross rod, and accommodating grooves (105) are formed in the surfaces of the two ends of the upper cross rod (101) and the lower cross rod (102).

3. The pre-stressed concrete cast-in-situ box girder mold supporting mechanism of claim 2, wherein: the utility model discloses a set up the spring in the spring groove, including lagging plate (3), the both sides surface of lagging plate (3) just is close to upper end and lower extreme fixed mounting has mounting panel (301), the front surface of lagging plate (3) just is close to upper end and lower extreme and has seted up rebound groove (302), the inside fixed mounting in rebound groove (302) has guide arm (303), the surface cover of guide arm (303) is equipped with spring (304).

4. The prestressed concrete cast-in-situ box girder mold supporting mechanism as claimed in claim 3, wherein: locking plate (4) comprise stir board (402), riser (401) and clamp plate (403), the front surface of riser (401) is close to below fixed mounting and has stir board (402), the rear surface of riser (401) is close to top fixed mounting and has clamp plate (403), the one end fixed mounting that riser (401) were kept away from to the lower surface of clamp plate (403) has inserted post (404), the rear surface of riser (401) is close to below fixed mounting and has cover block (405).

5. The prestressed concrete cast-in-situ box girder mold supporting mechanism as claimed in claim 4, wherein: the extension frame (2) comprises body frame (201) and extension board (202), the both ends fixed surface of body frame (201) installs extension board (202), jack (203) have been seted up to the one end that body frame (201) was kept away from on the surface of extension board (202), the quantity position a plurality of jack (203).

6. The prestressed concrete cast-in-situ box girder mold supporting mechanism as claimed in claim 5, wherein: the one end of extension board (202) is inlayed and is established in accomodating groove (105), the surface at guide arm (303) is established to cover piece (405) cover, the lower extreme of inserting post (404) passes locating hole (104) and inlays and establish in jack (203), the lagging (3) are fixed through mounting panel (301) and link up frame (1), the one end and the rebound groove (302) of spring (304) are connected, the other end and the cover piece (405) of spring (304) are connected.

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