CN216840729U - A combined lateral support device for prefabricated side walls of a subway station - Google Patents

Abstract

The utility model discloses a combined lateral support device for prefabricated side walls of a subway station, which comprises a horizontal rod, a vertical rod and an oblique rod. The horizontal rod, the vertical rod and the oblique rod are detachably connected to each other. A right-angled triangular truss structure is formed between the three; the vertical rod is provided with a contact support structure for supporting the prefabricated side wall piece; anchor bars are provided between the floor and the side of the horizontal rod close to the prefabricated side wall piece structure; the bottom of the horizontal rod is provided with a jacking structure. The utility model adopts a split assembly structure, and each disassembled unit is a light-weight structure, which is convenient for transportation and disassembly; the utility model improves the lateral support of a single rod into a lateral support of a single rod combination. The support system increases the one-time pouring height of the side wall structure of the bottom box, reduces the longitudinal construction joints of the side wall of the station, and improves the waterproof effect of the subway station structure in the water-rich area. The overall practicability is strong, and the promotion and application value is high.

Description

A combined lateral support device for prefabricated side walls of a subway station

technical field

The utility model relates to the technical field of building supports, in particular to a combined lateral support device for a prefabricated side wall of a subway station.

Background technique

At present, the structure of subway stations is basically constructed by the cast-in-place method. However, with the development of theoretical level and construction technology, environmental protection is becoming more and more stringent, and the aging of the population has brought about labor shortages and high requirements on construction site operating conditions. The traditional cast-in-place method The construction has been difficult to meet the increasingly developing social needs. In response to the national low-carbon environmental protection and green building strategy, it is imperative to adopt prefabricated technology for the subway station structure. The wall adopts superimposed components. In order to ensure the construction of the cast-in-place layer of the side wall, the lateral support system technology of the prefabricated side wall piece is particularly important as a new technology for the construction of the subway station.

The experience learned from the superimposed prefabricated station of Harbin Metro Line 3: the side wall of the subway station adopts superimposed components, and the prefabricated side wall components are supported by a single rod during the construction of the cast-in-place layer. The advantages of the single rod support are light weight, handling, It is easy to install, but the disadvantage is that with the increase of the pouring height of the prefabricated side wall, the length of the single rod increases, and the lateral concrete pouring pressure decreases significantly. The weight of the pole brings inconvenience to the construction; at the same time, in order to ensure the reasonable force of the single pole support, the support elevation angle is 45 degrees, and the support occupies a large space in the station, which is not conducive to the construction organization and affects the work efficiency.

Therefore, in order to ensure safe and reliable construction, easy movement and convenient installation and disassembly, it is imperative to invent a better prefabricated side wall support technology, and the application prospect is broad.

Utility model content

The purpose of the utility model is to avoid the deficiencies of the prior art, and to provide a combined lateral support device for a prefabricated side wall of a subway station, thereby effectively solving the deficiencies in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the present utility model is: a combined lateral support device for a prefabricated side wall of a subway station, comprising a horizontal rod, a vertical rod and an oblique rod, the horizontal rod, the vertical rod and the oblique rod. The two are detachably connected and the three form a right-angled triangular truss structure;

The vertical rod is provided with a contact support structure for supporting the prefabricated side wall pieces;

An anchor bar structure is arranged between the floor and the side of the horizontal rod close to the prefabricated side wall piece;

The bottom of the horizontal rod is provided with a jacking structure.

Further, the top end of the horizontal rod is provided with a first gusset plate, the top end of the inclined rod is fixedly connected with the first gusset plate by bolts, and the two ends of the horizontal rod are respectively provided with a second gusset plate and a third gusset plate , the bottom end of the vertical rod is fixedly connected with the second gusset plate through bolts, and the bottom end of the inclined rod is fixedly connected with the third gusset plate through bolts.

Further, a reinforcing structure is arranged in the truss structure;

The reinforcing structure includes a reinforcing horizontal rod and a reinforcing inclined rod, the middle part of the vertical rod is provided with a fourth gusset plate, the middle part of the inclined rod is provided with a fifth gusset plate, and the middle part of the horizontal rod is provided with a sixth gusset plate, so the The two ends of the reinforcing horizontal rod are respectively fixedly connected to the fourth gusset plate and the fifth gusset plate through bolts, and the two ends of the reinforcing inclined rod are respectively fixedly connected to the fifth gusset plate and the sixth gusset plate through bolts.

Further, it also includes an installation positioning plate, the installation positioning plate is attached to the reinforcing horizontal rod, the reinforcing inclined rod and one side of the inclined rod at the same time. and a connecting part is arranged on the side of the matching inclined rod on the installation and positioning plate, and the connecting part is detachably connected with the inclined rod through the connecting piece.

Further, the contact support structure includes a support plate fitted with the prefabricated side wall piece and a connecting frame for connecting with the vertical rod.

Further, two groups of the contact support structures are provided, and the two groups of contact support structures are respectively located at the top and the middle of the vertical rod.

Further, the anchor bar structure includes an anchor bar and a tension member, the tension member is pressed at the connection position of the horizontal rod and the vertical rod, one end of the anchor bar is detachably connected with the tension member, and the other end of the anchor bar is pre-embedded and fixed. inside the floor.

Further, a perforation is provided on the tie member in cooperation with the anchor rib, a locking sleeve is screwed on the top of the anchor rib, and the locking sleeve is crimped with the top of the tie member.

Further, the jacking structure includes support rods fixedly arranged on both sides of the horizontal rod, a sliding sleeve is fixedly arranged on the support rod, a screw rod is arranged in the sliding sleeve which can move up and down, and the screw rod is screwed on the upper and lower sides of the sliding sleeve respectively. There are locking pieces, and the bottom of the screw rod is fixedly provided with a foot plate.

Further, the bottom of the horizontal rod is provided with a moving wheel assembly.

The above-mentioned technical solutions of the present invention have the following beneficial effects: the present invention adopts a split-assembly structure, and each disassembled unit is a light-weight structure, which is convenient for transportation and disassembly; the overall structure of the present invention Reasonable and high strength, greatly reducing the occupied space of the entire supporting device, and improving the passing efficiency of materials, equipment and personnel during construction; the utility model improves the single-pole lateral support into a single-pole combined lateral support system, which improves the efficiency of the construction. The one-time pouring height of the bottom box side wall structure concrete is reduced, the longitudinal construction joints of the station side wall are reduced, and the waterproof effect of the subway station structure in the water-rich area is improved. The overall practicability is strong, and the promotion and application value is high.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the present utility model;

Fig. 2 is the partial enlarged view of A place in Fig. 1;

FIG. 3 is a schematic view of the structure of the C direction in FIG. 2

Fig. 4 is a partial enlarged view at B in Fig. 1;

FIG. 5 is a state diagram of the cooperation between the pulling member and the horizontal rod according to the embodiment of the present invention;

6 is a schematic structural diagram of the second embodiment of the present invention;

FIG. 7 is a perspective view of the installation positioning plate in the second embodiment of the present invention.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

In the description of the present utility model, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer" ", "front end", "rear end", "head", "tail" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection, or It can be connected integrally; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1-5, a combined lateral support device for a prefabricated side wall of a subway station described in this embodiment includes a horizontal rod 1, a vertical rod 2 and an oblique rod 3, a horizontal rod 1, a vertical rod and The diagonal rods 3 are detachably connected to each other and form a right-angled triangular truss structure.

The vertical rod 2 is provided with a contact support structure for supporting the prefabricated side wall piece 4, and the prefabricated side wall piece 4 is attached to the cast-in-place layer 21 of the side wall; An anchor rib structure is arranged between the sides, and the anchor rib structure is used to give tension to the horizontal rod 1. The bottom of the horizontal rod 1 is provided with a jacking structure, which is used to give a supporting force to the horizontal rod 1. This stress form It has the same force mode as the cast-in-place side wall shaped steel formwork system, has rich practical experience, and is safe and reliable.

The top end of the horizontal rod 1 is welded with a first gusset plate 601, the top end of the oblique rod 3 is fixedly connected to the first gusset plate 601 by bolts, and the two ends of the horizontal rod 1 are respectively welded with a second gusset plate 602 and a third gusset plate 603, the bottom end of the vertical rod 2 is fixedly connected to the second gusset plate 602 through bolts, and the bottom end of the inclined rod 3 is fixedly connected to the third gusset plate 603 through bolts, this structure makes each disassembled unit Lightweight structure, easy to transport and easy to disassemble.

Through this structure, the angle between the inclined rod 3 and the ground is 60°, which greatly reduces the space occupied by the entire support device and improves the material during construction compared with the 45° angle structure in the prior art. , equipment, personnel traffic efficiency.

A reinforcing structure is arranged in the truss structure, and the reinforcing structure includes a reinforcing horizontal rod 7 and a reinforcing oblique rod 8. The middle part of the vertical rod 2 is welded with a fourth node plate 604, and the middle part of the inclined rod 3 is welded with a fifth node plate 605. The middle of the horizontal rod 1 is welded with a sixth node plate 606, the two ends of the reinforcing horizontal rod 7 are fixedly connected to the fourth node plate 604 and the fifth node plate 605 through bolts, respectively, and the two ends of the reinforcing oblique rod 8 are respectively connected with the bolts through bolts. The fifth gusset plate 605 and the sixth gusset plate 606 are fixedly connected.

The included angle between the reinforcing inclined rod 8 and the horizontal plane is 60-70°. By setting the reinforcing structure, the overall strength of the supporting structure can be further ensured, thereby providing a guarantee for safe construction.

The contact support structure includes a support plate 9 fitted with the prefabricated side wall piece 4 and a connecting frame 10 for connecting with the vertical rod 2, wherein the support plate 9 is made of a steel plate with a diameter of 200mm and a thickness of 10mm. 10 can be made of channel steel or I-beam, and both ends of the connecting frame 10 are welded and fixed with the support plate 9 and the vertical rod 2 respectively.

Preferably, two groups of contact support structures are provided, and the two groups of contact support structures are respectively located at the top and middle of the vertical rod 2 to achieve multi-point stable support for the prefabricated side wall member 5 .

The contact support structure located in the middle corresponds to the position of the reinforcing horizontal rod 7, so that the stress on the overall structure is more reasonable.

The anchor bar structure includes an anchor bar 11 and a tension member 12. The tension member 12 is a hollow tubular structure. The tension member 12 is pressed at the connection position of the horizontal rod 1 and the vertical rod 2. One end of the anchor bar 11 is detachably connected to the tension member 12. , the other end of the anchor rib 11 is pre-buried and fixed in the floor 5. Specifically, a through hole 1201 is provided on the pulling member 12 in cooperation with the anchor rib 11. The top of the anchor rib 11 is screwed with a locking sleeve 13, and the locking sleeve 13 is connected with the pull The top of the piece 12 is crimped.

Preferably, the pulling member 12 is connected to the floor 5 through two symmetrically arranged anchor bars 11 , and the middle portion of the pulling member 12 is pressed against the connection position of the horizontal rod 1 and the vertical rod 2 .

The included angle between the anchor bar 11 and the horizontal plane is 65-75°.

The jacking structure includes support rods 14 fixedly arranged on both sides of the horizontal rod 1 , a sliding sleeve 15 is fixed on the support rod 14 , and a screw 16 is arranged in the sliding sleeve 15 to move up and down, and the screw 16 is located on the upper and lower sides of the sliding sleeve 15 . The sides are respectively screwed with locking pieces 17, and the bottom of the screw rod 16 is fixedly provided with a foot plate 18. By adjusting the positions of the two locking pieces 17, the height of the entire supporting device can be fine-tuned to better meet the actual use needs.

The bottom of the horizontal rod 1 is provided with a moving wheel assembly 19. The moving wheel assembly 19 includes a wheel frame 1901. The wheel frame 1901 is rotatably connected to the horizontal rod 1 through a vertical shaft 1902. The wheel frame 1901 is provided with a roller 1903, as shown in FIG. 4 . , when the jacking structure plays a normal supporting role, the roller 1903 is in a suspended state. When it needs to move, the jacking structure is lifted up so that the foot plate 18 is higher than the roller 1903, so that the roller 1903 can be in contact with the ground for easy movement. .

As shown in FIGS. 6-7 , in the second embodiment, in order to further improve the stability of the structure and facilitate the positioning and installation of each structural component, an installation and positioning plate 20 is provided, and the installation and positioning plate 20 is at the same time as the reinforcement level. One side of the rod 7, the reinforcing inclined rod 8 and the inclined rod 3 are fitted together, and the installation positioning plate 20 is provided with a positioning clip 2001 corresponding to the reinforcing horizontal rod 7 and the reinforcing inclined rod 8, and the positioning clip 2001 is directly installed and positioned. The plate 20 is formed by punching and bending, the positioning clip 2001 cooperates with the installation and positioning plate 20 to form a U-shaped positioning structure, and the side of the installation and positioning plate 20 that cooperates with the inclined rod 3 is provided with a connecting part 2002. The rod 3 is detachably connected, and the connector 2003 can be a wing bolt. The installation positioning plate 20, when in use, is first connected with the oblique rod 3, and then the positioning clip 2001 can quickly strengthen the horizontal rod 7 first. The positioning and installation of the reinforcing inclined rod 8 greatly improves the assembly efficiency. After the assembly is completed, the installation positioning plate 20 can be removed for the assembly of other supporting devices, or it can not be removed, which plays the role of structural strengthening. .

In order to achieve the purpose that the entire support system after assembling can be moved by manpower, for example, in one construction stage (generally the pouring length is 20m), 20 combined lateral support devices of the side wall in the present invention can be installed, that is, the support The distance between the devices is 1m. Each support device exists independently and is stressed independently. There is no relationship between the support devices. Of course, in order to improve the integrity of the lateral support system, each independent The lateral support devices are connected to form a lateral integral force-bearing structure.

The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Claims (10)

1. A combined lateral support device for a prefabricated side wall of a subway station is characterized in that: it comprises a horizontal rod, a vertical rod and an oblique rod, and the horizontal rod, the vertical rod and the oblique rod are detachably connected in pairs and A right-angled triangular truss structure is formed between the three; The vertical rod is provided with a contact support structure for supporting the prefabricated side wall pieces; An anchor bar structure is arranged between the floor and the side of the horizontal rod close to the prefabricated side wall piece; The bottom of the horizontal rod is provided with a jacking structure. 2 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 1 , wherein the top end of the horizontal rod is provided with a first gusset plate, and the top end of the inclined rod is connected to the first gusset plate through bolts. 3 . A gusset plate is fixedly connected, the two ends of the horizontal rod are respectively provided with a second gusset plate and a third gusset plate, the bottom end of the vertical rod is fixedly connected to the second gusset plate by bolts, and the bottom end of the inclined rod is fixedly connected with the second gusset plate. The ends are fixedly connected to the third gusset plate by means of bolts. 3 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 1 , wherein a reinforcing structure is arranged in the truss structure; 4 . The reinforcing structure includes a reinforcing horizontal rod and a reinforcing inclined rod, the middle part of the vertical rod is provided with a fourth gusset plate, the middle part of the inclined rod is provided with a fifth gusset plate, and the middle part of the horizontal rod is provided with a sixth gusset plate, so the The two ends of the reinforcing horizontal rod are respectively fixedly connected to the fourth gusset plate and the fifth gusset plate through bolts, and the two ends of the reinforcing inclined rod are respectively fixedly connected to the fifth gusset plate and the sixth gusset plate through bolts. 4. A combined lateral support device for a prefabricated side wall of a subway station according to claim 3, characterized in that: it further comprises an installation positioning plate, and the installation positioning plate is simultaneously connected with the reinforced horizontal rod, the reinforced inclined rod and the inclined rod. One side of the installation and positioning plate is fitted with the reinforced horizontal rod and the reinforced inclined rod respectively, and there are positioning clips. Connection. 5 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 1 , wherein the contact support structure comprises a support plate fitted with the prefabricated side wall and a support plate for and vertical support. 6 . The connecting frame of the rod connection. 6 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 5 , wherein the contact support structure is provided with two groups, and the two groups of contact support structures are respectively located on the top of the vertical rod and the contact support structure. 7 . middle. 7 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 1 , wherein the anchor bar structure comprises anchor bars and a tension member, and the tension member is pressed against the horizontal rod and the vertical rod. 8 . For the connection position of the rod, one end of the anchor bar is detachably connected to the pulling piece, and the other end of the anchor bar is pre-buried and fixed in the floor. 8 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 7 , wherein the tie member is provided with perforations in cooperation with the anchor bars, and the tops of the anchor bars are screwed with locking bolts. 9 . Sleeve, the locking sleeve is crimped to the top of the puller. 9 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 1 , wherein the jacking structure comprises support rods fixedly arranged on both sides of the horizontal rod, and the support rods are fixedly provided with The sliding sleeve is provided with a screw rod which can move up and down, the screw rod is screwed with locking pieces on the upper and lower sides of the sliding sleeve, and the bottom of the screw rod is fixedly provided with a foot plate. 10 . The combined lateral support device for a prefabricated side wall of a subway station according to claim 9 , wherein the bottom of the horizontal rod is provided with a moving wheel assembly. 11 .

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