CN216031585U

CN216031585U - Prefabricated box girder pedestal convenient for turnover

Info

Publication number: CN216031585U
Application number: CN202122001013.9U
Authority: CN
Inventors: 魏武钢; 刘超; 亓祥鑫; 孙统国; 郝岩磊; 王迪
Original assignee: China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
Current assignee: China Construction Seventh Engineering Bureau Installation Engineering Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-15
Anticipated expiration: 2031-08-24

Abstract

The utility model provides a prefabricated box girder pedestal convenient to turnover, and solves the problems that the existing prefabricated box girder pedestal can not be basically recycled and has high material waste rate. The utility model comprises a supporting frame body which is placed on the ground, wherein the supporting frame body is of a frame-shaped plate structure, hook structures for hoisting are arranged on a left side plate and a right side plate of the supporting frame body, positioning members which are detachably connected with embedded ribs embedded in the bottom surface are fixedly arranged on the left side plate and the right side plate of the supporting frame body, and the positioning members are matched with the embedded ribs to limit the left and right movement of the supporting frame body; the top of the support frame body is provided with a horizontal support bottom plate, and a bottom die for forming the prefabricated box girder is arranged on the support bottom plate. The device saves the material cost of concrete pouring when the original precast box girder pedestal is used, is convenient to disassemble and assemble, and accelerates the installation and forming time of the precast box girder pedestal.

Description

Prefabricated box girder pedestal convenient for turnover

Technical Field

The utility model relates to the technical field of building component prefabrication, in particular to a prefabricated box girder pedestal convenient to turnover.

Background

The concrete supporting table of adoption concrete placement shaping is mostly adopted to current precast box girder pedestal when the preparation on the prefabricated place, then installs the steel sheet on the concrete supporting table to guarantee the bottom surface levelness of precast box girder pedestal, and prevent that the concrete supporting table from producing the damage.

After the prefabricated box girder pedestal is prepared and molded, the prefabricated box girder pedestal can only be used for the prefabrication and molding of the batch of box girder pedestals, and after the prefabricated box girder pedestal is used, the prefabricated box girder pedestal can not be recycled basically in order to avoid occupying the space of a field, so that the material waste rate is high. And the precast box girder pedestal all need cast in situ concrete once more when making at every turn for the installation shaping speed of precast box girder pedestal is slower.

SUMMERY OF THE UTILITY MODEL

The utility model provides a prefabricated box girder pedestal convenient to turnover, and aims to solve the problems that an existing prefabricated box girder pedestal in the background art cannot be basically recycled and has a high material waste rate.

The technical scheme of the utility model is as follows: a prefabricated box girder pedestal convenient to turnover comprises a supporting frame body placed on the ground, wherein the supporting frame body is of a frame-shaped plate structure, hook structures for hoisting are arranged on a left side plate and a right side plate of the supporting frame body, positioning members detachably connected with embedded ribs embedded in the bottom surface are fixedly arranged on the left side plate and the right side plate of the supporting frame body, and the positioning members are matched with the embedded ribs to limit the supporting frame body to move left and right; the top of the support frame body is provided with a horizontal support bottom plate, and a bottom die for forming the prefabricated box girder is arranged on the support bottom plate.

Preferably, the support base plate is detachably connected with the support frame body.

Preferably, the front end and the rear end of the supporting bottom plate protrude out of the supporting frame body to form overhanging sections; after the supporting base plates on the two adjacent supporting frame bodies are spliced into a whole, an avoiding channel for the water supply pipe to pass through is formed below the two adjacent overhanging sections.

Preferably, the left side of supporting baseplate is equipped with removable vertical left backplate, the right side of supporting baseplate is equipped with removable vertical right backplate, all inlay on the right flank of left backplate and the left surface of right backplate and be equipped with one row at least sprinkler bead, all be equipped with the water supply network for the sprinkler bead water supply on the left surface of left backplate and the right flank of right backplate, the rear end of water supply network is equipped with water inlet pipe connector, water supply network's front end is equipped with water outlet pipe connector, water inlet pipe connector and the water outlet pipe connector of adjacent water supply network around two communicate through connecting the nozzle stub.

Preferably, all fixedly on the right flank of left backplate and the left flank of right backplate be equipped with the second guard plate that is located every row of sprinkler bead top, and the second guard plate is the horizontal plate structure, and the quantity of second guard plate is the same with the row number of sprinkler bead, and the horizontal width of second guard plate is greater than the length that the sprinkler bead exposes left backplate and right backplate, and the second guard plate is used for preventing that prefabricated box girder from colliding the sprinkler bead.

Preferably, the water spray heads of the uppermost row are higher than the top surface of the precast box girder on the support floor so that the water spray heads of the uppermost row can cover the top surface of the support floor when spraying water.

Preferably, the water supply network comprises a water inlet vertical pipe positioned at the rear part and a water outlet vertical pipe positioned at the front part, the water inlet vertical pipe and the water outlet vertical pipe are communicated through horizontal pipes which are horizontally arranged, the number of the horizontal pipes is the same as that of the rows of the sprinkler heads, and the sprinkler heads in the same row are connected with the same horizontal pipe;

the left guard plate and the right guard plate are respectively provided with an upper first guard plate and a lower first guard plate which are used for supporting and protecting the transverse pipe, and the transverse pipe is positioned between the upper first guard plate and the lower first guard plate;

the water inlet pipe joint is fixedly arranged at the lower end of the water inlet vertical pipe, and the water outlet pipe joint is fixedly arranged at the lower end of the water outlet vertical pipe.

Preferably, the support frame body is internally and fixedly provided with an inner corrugated plate extending along the front-rear direction, and the top of the inner corrugated plate is in contact with the bottom side of the support bottom plate.

Preferably, the hooking structure comprises first through holes arranged on a left side plate and a right side plate of the support frame body, and the first through holes on the left side plate and the right side plate correspond to each other left and right; and the inner corrugated plate is provided with a second through hole which corresponds to the first through hole in the left-right direction.

Preferably, the front end and the rear end of the supporting bottom plate are both fixedly provided with connecting side plates extending downwards, the connecting side plates are provided with front and rear penetrating second screw holes, and the two front and rear adjacent supporting bottom plates are detachably connected through bolts penetrating through the second screw holes.

The utility model has the advantages that: when the prefabricated box girder pedestal is installed, the prefabricated box girder pedestal is assembled after being hoisted to an appointed position through a crane in a long distance, and then the prefabricated box girder pedestal is fixed on the ground through a positioning component detachably connected with a pre-buried rib, so that the installation of the prefabricated box girder pedestal is completed quickly.

After the prefabricated box girder pedestal is used, the prefabricated box girder pedestal can be quickly dismantled from the ground and then stored for next use, so that the prefabricated box girder pedestal can be circularly recycled. The device saves the material cost of concrete pouring when the original precast box girder pedestal is used, is convenient to disassemble and assemble, and accelerates the installation and forming time of the precast box girder pedestal.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of two precast box girder pedestals of example 1 after being connected;

FIG. 2 is a perspective view of a single precast box girder block of FIG. 1;

FIG. 3 is a schematic perspective view of the precast box girder erection block of FIG. 2 with the left and right baffles removed;

fig. 4 is a schematic perspective view of the support frame in fig. 3;

FIG. 5 is a perspective view of the support base of FIG. 3;

FIG. 6 is a perspective view of the junction spool of FIG. 1;

in the figure, 1, a support frame body, 101, a first through hole, 2, an inner corrugated plate, 201, a second through hole, 3, a support tripod, 4, a positioning plate, 5, a support bottom plate, 501, an insertion hole, 6, a connecting side plate, 601, a second screw hole, 7, a limiting plate, 701, a third through hole, 8, a left protective plate, 9, a right protective plate, 10, a water inlet vertical pipe, 11, a water inlet pipe joint, 12, a water outlet vertical pipe, 13, a water outlet pipe joint, 14, a transverse pipe, 15, a first protective plate, 16, a water spray head, 17, a second protective plate, 18, a joint short pipe, 1801, a short pipe, 1802 and a connecting pipe joint.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Example 1: the utility model provides a convenient prefabricated box girder pedestal of turnover, is shown as figure 1, figure 2 and figure 3, including being used for placing support frame body 1 subaerial, support frame body 1 is the frame template structure that four steel sheet end to end welding formed, is equipped with the hook structure that is used for the handling on the left side board and the right side board of support frame body 1, and hook structure in this embodiment is including establishing first through-hole 101 on the left side board and the right side board of support frame body 1, corresponds about the first through-hole 101 on left side board and the right side board.

As shown in fig. 4, the fixed interior stupefied board 2 that is equipped with along the fore-and-aft direction extension of the inside of supporting support body 1, the front end of interior stupefied board 2 and the preceding curb plate welding of supporting support body 1, the rear end of interior stupefied board 2 and the rear end welding of supporting support body 1, interior stupefied board 2 is used for strengthening the structural strength who supports support body 1, and the atress of dispersion support body 1.

When the support body 1 is supported in the transportation, the long distance is removed and can is adopted the loop wheel machine to carry out the handling, but during short distance adjustment position, should not occupy the use man-hour of loop wheel machine again, remove in order to solve the short distance that supports support body 1, as shown in fig. 4, the second through-hole 201 that corresponds about offering on stupefied board 2 including this embodiment with first through-hole 101, when carrying out the short distance removal to support body 1, can insert steel pipe or reinforcing bar at first through-hole 101, second through-hole 201, artifical steel pipe or reinforcing bar of lifting carry out the short distance removal to support body 1.

All fixed being equipped with on the left side board and the right side board of support frame body 1 and being used for with pre-buried muscle releasable connection's in the bottom surface locating component, locating component and pre-buried muscle cooperation are used for the restriction to support the removal about support frame body 1. As shown in fig. 3 and 4, the positioning member in this embodiment is a positioning plate 4 having a horizontal plate structure, the positioning plate 4 is welded to the support frame body 1, a first screw hole penetrating vertically is formed in the positioning plate 4, the embedded rib penetrates through the first screw hole, and in order to avoid the positioning plate 4 from being separated from the embedded rib from above, the upper portion of the embedded rib can be bent to form an L-shaped rod structure.

The top of the support frame body 1 is provided with a horizontal support bottom plate 5, and a bottom die for forming the prefabricated box girder is arranged on the support bottom plate 5. The top of the inner corrugated board 2 is in contact with the bottom side of the support base board 5 to disperse the stress of the support frame body 1.

Supporting baseplate 5 and the 1 releasable connection of support frame body are convenient for change the maintenance and maintain the inside of support frame body 1 to supporting baseplate 5.

As shown in fig. 1 and 5, the front end and the rear end of the support base plate 5 protrude out of the support frame body 1 to form overhanging sections; after the supporting base plates 5 on the two adjacent supporting frame bodies 1 are spliced into a whole, an avoiding channel for a water supply pipe to pass through is formed below the two adjacent overhanging sections.

The front end and the rear end of supporting baseplate 5 are both fixedly provided with a connecting side plate 6 extending downwards, a front and a rear penetrating second screw holes 601 are formed in the connecting side plate 6, and the two front and rear adjacent supporting baseplate 5 are detachably connected through bolts penetrating through the second screw holes 601.

As shown in fig. 4, the support tripod 3 is welded on both the front side plate and the rear side plate of the support frame body 1, and the support tripod 3 is used for reinforcing and supporting the overhanging section of the support base plate 5.

Two limiting plates 7 that extend along the fore-and-aft direction about the welding of the bottom of supporting baseplate 5, the length of limiting plate 7 equals the length of interior stupefied board 2, and limiting plate 7 inserts and establishes in supporting frame body 1. And the two limit plates 7 are respectively in sliding contact with the left side plate and the right side plate of the support frame body 1 and used for limiting the left-right movement and the front-back movement of the support bottom plate 5.

The limiting plate 7 is provided with a third through hole 701 corresponding to the first through hole 101 in the left-right direction, so that the limiting plate 7 is prevented from blocking the steel pipes or the steel bars inserted into the first through hole 101 and the second through hole 201.

As shown in fig. 1 and 2, a detachable vertical left guard plate 8 is arranged on the left side of the supporting bottom plate 5, and a detachable vertical right guard plate 9 is arranged on the right side of the supporting bottom plate 5.

Specifically, as shown in fig. 3 and 5, the four corners of the supporting base plate 5 are provided with through insertion holes 501, the bottoms of the left guard plate 8 and the right guard plate 9 are fixedly welded with left and right insertion rods, and the insertion rods are inserted into the insertion holes 501, so that the left guard plate 8, the right guard plate 9 and the supporting base plate 5 are detachably connected.

Two rows of sprinkler heads 16 about all inlaying on the right flank of left backplate 8 and the left surface of right backplate 9 are equipped with, all fix on the right flank of left backplate 8 and the left surface of right backplate 9 and be located the second guard plate 17 of every row of sprinkler heads 16 top, second guard plate 17 is the horizontal plate structure, the quantity of second guard plate 17 is the same with sprinkler heads 16's row number, the horizontal width of second guard plate 17 is greater than the length that sprinkler heads 16 expose left backplate 8 and right backplate 9, second guard plate 17 is used for preventing that prefabricated box girder from colliding sprinkler heads 16.

The water jets 16 of the uppermost row are higher than the top surface of the precast box girders on the support floor 5 so that the water jets 16 of the uppermost row can cover the top surface of the support floor 5 when they spray water.

All be equipped with the water supply network who supplies water for sprinkler bead 16 on the left surface of left side backplate 8 and the right flank of right backplate 9, the water supply network is including the water inlet vertical pipe 10 that is located the rear and the water outlet vertical pipe 12 that is located the place ahead, the fixed water inlet pipe joint 11 that is equipped with of lower extreme of water inlet vertical pipe 10, the fixed outlet pipe joint 13 that is equipped with of lower extreme of water outlet vertical pipe 12, water inlet vertical pipe 10 and water outlet vertical pipe 12 are through the horizontal pipe 14 intercommunication that the level set up, the quantity of violently managing 14 is the same with the row number of sprinkler bead 16, the sprinkler bead 16 of same row is connected with same root violently pipe 14.

The left guard plate 8 and the right guard plate 9 are both provided with an upper first guard plate 15 and a lower first guard plate 15 which support and protect the transverse pipe 14, and the transverse pipe 14 is positioned between the upper first guard plate 15 and the lower first guard plate 15.

As shown in fig. 1, when the precast box girder pedestal is installed, the water inlet pipe joint 11 and the water outlet pipe joint 13 of the water supply pipe network on two adjacent support base plates 5 in the front and rear direction are communicated through the joint stub 18. As shown in fig. 6, the connector short tube 18 includes a short tube 1801 made of flexible tube and a connector 1802 fixed at both ends of the short tube 1801, the structure of the inlet pipe connector 11 and the outlet pipe connector 13 is the same, and the connector 1802 can be matched with the inlet pipe connector 11 and the outlet pipe connector 13.

The gap width between the left guard plate 8 and the right guard plate 9 is larger than the maximum horizontal width of the prefabricated box girder by about 10-20 cm, so that enough diffusion space is provided for water mist sprayed by the water spray heads 16, and the surface of the prefabricated box girder can be fully covered by the water mist sprayed by the water spray heads 16 to be quickly wetted.

The working principle is as follows: during the installation of precast box girder pedestal, assemble after hoisting support body 1 and supporting baseplate 5 to the assigned position through the loop wheel machine during long distance, when needing the position of short distance adjustment support body 1, insert steel pipe or reinforcing bar at first through-hole 101, second through-hole 201, artifical steel pipe or reinforcing bar of lifting carry out the short distance removal to support body 1.

After the position of the support frame body 1 is adjusted, the connecting side plates 6 on the adjacent support bottom plates 5 are fixed together through bolts penetrating through the second screw holes 601.

The formwork support and the formwork for the prefabricated box girder are installed on the left side and the right side of the supporting base plate 5 (at this time, the bottom of the formwork presses the insertion hole 501 on the supporting base plate 5 to prevent concrete from entering the insertion hole 501), the formwork and the supporting base plate 5 form a mould for the prefabricated box girder, and concrete is poured in the mould to form the box girder. And after the concrete of the box girder is basically solidified and formed, removing the template and the formwork support.

A water supply pipe network and a water spray head 16 are installed on the left protective plate 8 and the right protective plate 9, and then the left protective plate 8 and the right protective plate 9 are installed on the supporting bottom plate 5. Attention is paid to keeping the distance between the left side and the right side of the prefabricated box girder and the left guard plate 8 and the right guard plate 9, enough diffusion space is provided for the water mist sprayed by the water spray heads 16, and the surface of the prefabricated box girder can be fully covered by the water mist sprayed by the water spray heads 16 to be quickly wetted.

The water inlet pipe joints 11 and the water outlet pipe joints 13 of the water supply pipe networks on the two front and back adjacent supporting bottom plates 5 are communicated through the joint short pipes 18, the water outlet pipe joint 13 at the forefront part is blocked, and the water inlet pipe joint 11 at the rearmost part is connected with a water pump through a water pipe.

When needs carry out the water spray maintenance to prefabricated case roof beam, start the maintenance that the whole prefabricated case roof beam of root can directly be accomplished to the water pump, need not the manual work and hold water pipe round trip movement, efficiency obtains very big improvement.

Example 2: the utility model provides a prefabricated box girder pedestal of convenient turnover, this embodiment and embodiment 1's difference lie in, no longer set up left backplate 8, right backplate 9, sprinkler bead and water supply network, also no longer set up jack 501 on the supporting baseplate 5 simultaneously, other structures are the same with embodiment 1.

Example 3: the utility model provides a precast box girder pedestal of convenient turnover, this embodiment and embodiment 1's difference lie in that the lower part of supporting baseplate 5 no longer sets up limiting plate 7, supporting baseplate 5 and support frame body 1 welded connection. The other structure is the same as embodiment 2.

Example 4: the difference between the embodiment and the embodiment 1 is that three rows of upper and lower water spraying heads 16 are arranged on a left protection plate 8 and a right protection plate 9, and the number of transverse pipes 14 is the same as the row number of the water spraying heads 16. The other structure is the same as embodiment 2.

Example 5: the utility model provides a prefabricated box girder pedestal of convenient turnover, this embodiment is equipped with a row of sprinkler bead 16 with embodiment 1 on the backplate 9 of the left side, and sprinkler bead 16 slopes downwards to the water smoke that makes the sprinkler bead 16 of the left and right sides spout mutually support the back and not only can cover the top of prefabricated box girder, can carry out direct water spray maintenance to the upper portion of prefabricated box girder moreover, and the lower part of prefabricated box girder absorbs the rivers completion maintenance that flow down from the top. The number of cross tubes 14 is the same as the number of rows of sprinkler heads 16. The other structure is the same as embodiment 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a convenient prefabricated box girder pedestal of turnover which characterized in that: the lifting device comprises a supporting frame body (1) which is placed on the ground, wherein the supporting frame body (1) is of a frame-shaped plate structure, a left side plate and a right side plate of the supporting frame body (1) are provided with hook structures for lifting, positioning members which are detachably connected with embedded ribs embedded in the bottom surface are fixedly arranged on the left side plate and the right side plate of the supporting frame body (1), and the positioning members are matched with the embedded ribs to limit the left and right movement of the supporting frame body (1); the top of the support frame body (1) is provided with a horizontal support bottom plate (5), and the support bottom plate (5) is used for forming a bottom die of the prefabricated box girder.

2. A prefabricated box girder pedestal facilitating turnover as claimed in claim 1, wherein: the supporting base plate (5) is detachably connected with the supporting frame body (1).

3. A prefabricated box girder pedestal for facilitating turnover as claimed in claim 1 or 2, wherein: the front end and the rear end of the supporting bottom plate (5) protrude out of the supporting frame body (1) to form overhanging sections; after the supporting base plates (5) on the two adjacent supporting frame bodies (1) are spliced into a whole, an avoiding channel for the water supply pipe to pass through is formed below the two adjacent overhanging sections.

4. A prefabricated box girder pedestal facilitating turnover as claimed in claim 3, wherein: the left side of supporting baseplate (5) is equipped with detachable vertical left backplate (8), the right side of supporting baseplate (5) is equipped with detachable vertical right backplate (9), all inlay on the right flank of left backplate (8) and the left surface of right backplate (9) and be equipped with at least one row of sprinkler bead (16), all be equipped with the water supply pipe network who supplies water for sprinkler bead (16) on the left surface of left backplate (8) and the right surface of right backplate (9), the rear end of water supply pipe network is equipped with water supply pipe connector (11), the front end of water supply pipe network is equipped with outlet pipe connector (13), water supply pipe connector (11) and outlet pipe connector (13) of adjacent water supply pipe network are through connecting nozzle stub (18) intercommunication around two.

5. A prefabricated box girder pedestal facilitating turnover as claimed in claim 4, wherein: all fixed being equipped with second guard plate (17) that are located every row of sprinkler bead (16) top on the right flank of left side backplate (8) and the left flank of right backplate (9), second guard plate (17) are the horizontal plate structure, and the quantity of second guard plate (17) is the same with the row number of sprinkler bead (16), and the horizontal width of second guard plate (17) is greater than sprinkler bead (16) and exposes the length of left backplate (8) and right backplate (9), and second guard plate (17) are used for preventing prefabricated box girder collision sprinkler bead (16).

6. A prefabricated box girder pedestal for facilitating turnover as claimed in claim 4 or 5, wherein: the water spray heads (16) of the uppermost row are higher than the top surface of the precast box girder on the support base plate (5) so that the water spray heads (16) of the uppermost row can cover the top surface of the support base plate (5) when spraying water.

7. A prefabricated box girder pedestal facilitating turnover as claimed in claim 6, wherein: the water supply network comprises a water inlet vertical pipe (10) positioned at the rear part and a water outlet vertical pipe (12) positioned at the front part, the water inlet vertical pipe (10) and the water outlet vertical pipe (12) are communicated through horizontal pipes (14) which are horizontally arranged, the number of the horizontal pipes (14) is the same as that of the rows of the water spray heads (16), and the water spray heads (16) in the same row are connected with the same horizontal pipe (14);

an upper first protection plate and a lower first protection plate (15) which support and protect the transverse pipe (14) are arranged on the left protection plate (8) and the right protection plate (9), and the transverse pipe (14) is positioned between the upper first protection plate and the lower first protection plate (15);

the water inlet pipe joint (11) is fixedly arranged at the lower end of the water inlet vertical pipe (10), and the water outlet pipe joint (13) is fixedly arranged at the lower end of the water outlet vertical pipe (12).

8. A prefabricated box girder platform convenient for turnover as claimed in claim 1 or 7, wherein: the inside of the support frame body (1) is fixedly provided with an inner corrugated plate (2) extending along the front-back direction, and the top of the inner corrugated plate (2) is contacted with the bottom side of the support bottom plate (5).

9. A prefabricated box girder pedestal for facilitating turnover as claimed in claim 8, wherein: the hooking structure comprises first through holes (101) arranged on a left side plate and a right side plate of the support frame body (1), and the first through holes (101) on the left side plate and the right side plate correspond to each other left and right; the inner corrugated plate (2) is provided with a second through hole (201) which corresponds to the first through hole (101) in the left-right direction.

10. A prefabricated box girder platform convenient for turnover as claimed in claim 1 or 9, wherein: the front end and the rear end of supporting baseplate (5) are all fixed and are equipped with downwardly extending's connection curb plate (6), connect penetrating second screw (601) around being equipped with on curb plate (6), and adjacent supporting baseplate (5) realize releasable connection through the bolt of wearing to establish in second screw (601) around two.