Railway bridge vertical wall A handrail embedded part notch forming device

Abstract

The utility model relates to the technical field of notch forming devices, in particular to a railway bridge vertical wall A handrail embedded part notch forming device which comprises an embedded box body, four sets of embedded bolt positioning holes are formed in the bottom of the embedded box body, and a protective cover plate covers the top of the embedded box body. One end of the protective cover plate is rotatably connected with the pre-embedded box body through a hinge, a fixed circular pipe is fixed in the pre-embedded box body, and a fixable extension sleeve is slidably connected in the fixed circular pipe in a sleeving manner; due to the design of the drawer structure and the telescopic supporting rods, the mold can be rapidly unfolded and fixed during installation, the round rod pipes with three diameters are connected in a sleeved mode to form the telescopic extension sleeve, the extension amount is fixed through the fixing bolts, and therefore when the device is disassembled, only the fixing screw needs to be screwed, and the extension sleeve is shrunk, and the mold can be rapidly disassembled. And the device is simple and quick to operate, and the construction efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of notched forming device, concretely relates to railway bridge vertical wall A railings embedded part notched forming device. BACKGROUND

[0002] Railway box girder protective wall plays an important role in high-speed railway bridge construction, is usually called high-speed railway protective wall formwork or ballast retaining wall formwork, is mainly made of high-strength, high-durability concrete or reinforced concrete material, the main plate thickness is generally 3.75mm, has enough strength and stability, simultaneously provides good sound insulation and protection effect, can also effectively isolate noise and splashing stone, reduces the influence to surrounding environment and resident;

[0003] In the construction of railway bridge vertical wall A railings, the forming quality of embedded part notches is crucial, however, the existing forming device has many defects, for example, the operation is cumbersome in the dismounting process, cannot effectively realize the convenient dismounting of the device, the device does not have telescopic function, the dismounting quality is difficult to guarantee, when dismounting, the appearance quality of concrete products is easy to be damaged by using tools such as hammer, the quality of concrete cannot be guaranteed, there is lack of effective internal support structure, which is easy to deform in the use process, and when pouring concrete, the device cannot prevent concrete from entering the inside, which influences the quality of embedded bolts, for this reason, the railway bridge vertical wall A railings embedded part notched forming device is provided. SUMMARY

[0004] In order to solve the technical problems existing in the above-mentioned prior art, the utility model provides railway bridge vertical wall A railings embedded part notched forming device.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: railway bridge vertical wall A railings embedded part notched forming device, including embedded box body, the embedded box body bottom is provided with four groups of embedded bolt positioning hole, the embedded box body top is covered with the protective cover plate, the protective cover plate one end is rotated with embedded box body connection, the embedded box body inside is fixed with fixed circular tube, the fixed circular tube inside sliding sleeve joint has the fixed type extension sleeve pipe, the extension sleeve pipe inside sliding sleeve joint has the fixed type inner circle rod, the embedded box body away from the inner side sliding sleeve joint of protective cover plate rotating end has the outer box body, the outer box body extends to the one end fixed with extension sealing plate of embedded box body outside, the inner circle rod extends to the one end fixed on the extension sealing plate side wall of embedded box body outside.

[0006] Preferably, the top surface of the embedded box body away from the top surface of the rotating end of the protective cover plate is fixed with a steel plate beam, and the two ends of the steel plate beam extending to the outside of the embedded box body are symmetrically provided with fixing holes.

[0007] Preferably, the protective cover plate is internally provided with a clamping groove matched with the steel plate beam, and the length of the protective cover plate is equal to the sum of the lengths of the embedded box body, the outer box body and the extension sealing plate.

[0008] Preferably, the fixed circular pipe is internally provided with a through hole matched with the extension sleeve, the extension sleeve is internally provided with a insertion hole matched with the inner circular rod, the bottom surface of the fixed circular pipe is symmetrically fixed with a fixed rod, and the bottom surface of the fixed rod is fixed in the inner bottom surface of the embedded box body.

[0009] Preferably, the top surface of the fixed circular pipe is symmetrically fixed with a fixed sleeve block, the fixed sleeve block is internally slidably sleeved with a fixed clamping plate, the top surface of the fixed clamping plate is rotatably connected with a fixed screw rod through a bearing, the fixed screw rod is threadedly sleeved at the top of the fixed sleeve block, and the top surface of the fixed clamping plate on the two sides of the fixed screw rod is fixed with a limiting sliding rod.

[0010] Preferably, the bottom surface of the fixed clamping plate above the extension sleeve and the inner circular rod is respectively arranged as an arc matched with the extension sleeve and the inner circular rod, and the bottom of the fixed sleeve block and the top of the fixed circular pipe are both provided with a placing groove matched with the fixed clamping plate.

[0011] Preferably, the center position of each fixed sleeve block is provided with a threaded hole matched with the fixed screw rod, and the top of the fixed sleeve block on the two sides of the threaded hole is provided with a limiting hole matched with the limiting sliding rod.

[0012] Preferably, the outer box body is arranged as a U-shaped structure matched with the inner wall of the embedded box body, the length of the extension sealing plate is equal to the length of the embedded box body, the height of the outer box body and the extension sealing plate is equal to the height in the embedded box body, and the top surface of the outer box body and the extension sealing plate is flush with the top surface of the embedded box body.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The drawer structure and the telescopic supporting rod design are arranged, so that the mold can be quickly unfolded and fixed during installation, the telescopic extension sleeve is formed by the circular rod pipes with three diameters being sleeved with each other, and the extension amount is fixed through the fixed bolt, so that when the device is disassembled, the device can be easily disassembled by only screwing the fixed screw rod and shrinking the extension sleeve, the operation is simple and fast, the construction efficiency is greatly improved, the embedded box body and the outer box body are made of steel plates, the strength is high, deformation is not easy, installation and dismounting are convenient, positioning is accurate, the finished product is better protected, controllability is strong, the standardization degree is high, the process efficiency is high, and the installation and positioning of the railway box girder vertical wall A rail guard embedded part are facilitated.

[0015] 2, The utility model discloses a protective cover plate's design can block concrete into the box when concrete pouring completely, and when disassembling the device, due to the contraction function of telescopic extension sleeve, can avoid causing the damage of the edge and corner of concrete product, guarantee the appearance quality of concrete product, and the box body adopts 5mm thick steel material to make, and is equipped with the embedded bolt positioning hole of bottom and the fixed steel sheet of top, and the overall structure is firm and stable, can bear the pressure in the concrete pouring process, ensures the forming precision of embedded part slot. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the slot forming device of the utility model;

[0017] Figure 2 It is another perspective three-dimensional structure schematic diagram of the slot forming device of the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the slot forming device of the utility model after cover closing;

[0019] Figure 4 It is the partial structure section schematic diagram of the slot forming device of the utility model.

[0020] Figure number shows:

[0021] 1, Embedded box body;2, Protective cover plate;3, Embedded bolt positioning hole;4, Steel plate crossbeam;5, Clamping groove;6, Fixed hole;7, Fixed circular tube;8, Extension sleeve;9, Inner circle rod;10, Fixed sleeve block;11, Fixed clamping plate;12, Fixed screw;13, Limiting sliding rod;14, Outer box body;15, Extension closing plate;16, Fixed rod. DETAILED DESCRIPTION

[0022] The above and other technical features and advantages of the utility model will be further described below in connection with the drawings and examples, but the following examples are only preferred examples of the utility model, not all.

[0023] Example:

[0024] As Figures 1-4As shown, the utility model provides railway bridge vertical wall A railings pre -buried piece slot forming device, including pre -buried box body 1, pre -buried box body 1 bottom is equipped with four groups of pre -buried bolt positioning hole 3, is used for accurately fixed in the predetermined position when construction, guarantee the stability of device in the process of concrete pouring, pre -buried box body 1 top is covered with protective cover plate 2, protective cover plate 2 one end is rotatably connected with pre -buried box body 1 through hinge, pre -buried box body 1 inside is fixed with fixed circular tube 7, fixed circular tube 7 inside sliding sleeve has the fixed type extension sleeve 8, extension sleeve 8 inside sliding sleeve has the fixed type inner circle rod 9, pre -buried box body 1 far from the inner side sliding sleeve of protective cover plate 2 rotating end has outer box body 14, and one end fixed in the outer side of pre -buried box body 1 of outer box body 14 extends to extension sealing plate 15, and one end fixed on the side wall of extension sealing plate 15 of inner circle rod 9 extension to the outer side of pre -buried box body 1, the length of protective cover plate 2 is equal to the sum of the length of pre -buried box body 1, outer box body 14 and extension sealing plate 15, when protective cover plate 2 covers, can be with the size of pre -buried box body 1 perfect fit after extension, blocks concrete into the box when concrete pouring, effectively avoid the difficulty of disassembly and the pollution of pre -buried M fixed rod 16 bolt caused by concrete into the inside of pre -buried box body 1;

[0025] In the installation stage, first pre -buried box body 1 is fixed in the construction position of railway bridge vertical wall A railings pre -buried piece slot through the bottom four pre -buried bolt positioning hole 3, then, the telescopic extension sleeve 8 is fixed to extend 1cm through the fixed clamping plate 11, make the length of box body reach 28cm, to comply with the size requirement of pre -buried piece slot, in the process of concrete pouring, close protective cover plate 2, because protective cover plate 2 and pre -buried box body 1 size perfect fit after extension, can effectively prevent concrete into the box, when concrete solidification needs to disassemble the device, first open protective cover plate 2, twist fixed screw 12, so that the compression of fixed clamping plate 11 to inner circle rod 9 is fixed to be released, so that extension sleeve 8 contracts, restore pre -buried box body 1 length to 27cm, namely can conveniently disassemble the device from pre -buried piece slot.

[0026] Pre -buried box body 1 top surface far from the top surface of protective cover plate 2 rotating end is fixed with steel plate crossbeam 4, and the inside of protective cover plate 2 is equipped with the clamping groove 5 matched with steel plate crossbeam 4, and the both ends of steel plate crossbeam 4 extending to the outside of pre -buried box body 1 are symmetrically equipped with fixed hole 6, and the fixed hole 6 corresponds with the template reserved hole, is connected with template with bolt, and steel plate crossbeam 4 is used for further fixed pre -buried box body 1, and can form stable contact with template, avoids the problems, such as running die, inaccurate positioning, strengthens the overall stability of device;

[0027] The fixed circular pipe 7 is internally provided with a through hole matched with the extension sleeve 8, facilitating the sliding of the extension sleeve 8 inside the fixed circular pipe 7, and the extension sleeve 8 is internally provided with a insertion hole matched with the inner circular rod 9, facilitating the sliding of the extension sleeve 8 on the fixed circular pipe 7, and the fixed circular pipe 7 is symmetrically fixed with a fixed rod 16 at the bottom surface, which is fixed at the inner bottom surface of the embedded box body 1, and the extension length of the embedded box body 1 is facilitated to be controlled and judged through the extension sleeve 8;

[0028] The fixed circular pipe 7 is symmetrically fixed with a fixed sleeve block 10 at the top surface, and the fixed sleeve block 10 is internally slidably sleeved with a fixed clamping plate 11, and the fixed clamping plate 11 is rotatably connected with a fixed screw rod 12 through a bearing at the top surface, the fixed screw rod 12 is threadedly sleeved at the top of the fixed sleeve block 10, the top surface of the fixed clamping plate 11 on both sides of the fixed screw rod 12 is fixed with a limiting sliding rod 13, a threaded hole matched with the fixed screw rod 12 is formed at the center position of each fixed sleeve block 10, a limiting hole matched with the limiting sliding rod 13 is formed at the top of the fixed sleeve block 10 on both sides of the threaded hole, and the top surface of each limiting sliding rod 13 is slidably inserted into the top of the fixed sleeve block 10, the bottom surface of the fixed clamping plate 11 above the extension sleeve 8 and the inner circular rod 9 is respectively arranged as an arc matched with the extension sleeve 8 and the inner circular rod 9, and the top of the fixed sleeve block 10 and the top of the fixed circular pipe 7 are both provided with a placing groove matched with the fixed clamping plate 11, when the extension length of the embedded box body 1 is adjusted, the extension length can be controlled by pulling the extension sleeve 8 to slide inside the fixed circular pipe 7 and on the inner circular rod 9, and the extension length is facilitated to be controlled through the clamping and fixing of the fixed clamping plate 11;

[0029] The outer box body 14 is arranged as a U-shaped structure matched with the inner wall of the embedded box body 1, the length of the extension sealing plate 15 is equal to the length of the embedded box body 1, the height of the outer box body 14 and the extension sealing plate 15 is equal to the height inside the embedded box body 1, so that the concrete is prevented from entering the inside of the embedded box body 1, and the top surface of the outer box body 14 and the extension sealing plate 15 is flush with the top surface of the embedded box body 1, when the length of the embedded box body 1 is extended, the outer box body 14 and the extension sealing plate 15 are pulled to slide outward, so that the length of the embedded box body 1 is extended.

[0030] The above only describes the preferred embodiments of the present application, which are only illustrative but not restrictive. It is understood by those skilled in the art that many changes, modifications and even equivalents can be made to the present application within the spirit and scope of the present application, but all will fall within the protection scope of the present application.

Claims

1. A device for forming a slot of a pre-embedded part of a vertical wall A railing of a railway bridge, characterized in that, The utility model provides a kind of embedded box, the embedded box bottom is equipped with four groups of embedded bolt positioning holes, the embedded box top is covered with protective cover plate, the protective cover plate one end is rotatably connected with embedded box by hinge, fixed circular tube is fixed in the embedded box, the fixed circular tube is slidably sleeved with the fixed extendable sleeve pipe, the extendable sleeve pipe is slidably sleeved with the fixed inner circular rod, the inner side of the embedded box away from the rotating end of protective cover plate is slidably sleeved with outer box, the outer box extends to the one end of embedded box outside and is fixed with extension sealing plate, the one end of the inner circular rod extending to the outside of embedded box is fixed on the side wall of extension sealing plate.

2. The railway bridge vertical wall A railing embedded part notching forming apparatus according to claim 1, wherein The top surface of the embedded box away from the rotating end of the protective cover plate is fixed with a steel plate beam, and the two ends of the steel plate beam extending to the outside of the embedded box are symmetrically provided with fixing holes.

3. The device for forming a slot of a pre-embedded part of a vertical wall A railing of a railway bridge according to claim 1, wherein The protective cover plate is internally provided with a clamping groove matched with the steel plate beam, and the length of the protective cover plate is equal to the sum of the lengths of the embedded box, the outer box and the extension sealing plate.

4. The device for forming a slot of a pre-embedded member of a vertical wall A railing of a railway bridge according to claim 1, wherein The fixed circular tube is internally provided with a through hole matched with the extendable sleeve pipe, the extendable sleeve pipe is internally provided with an insertion hole matched with the inner circular rod, and the bottom surface of the fixed circular tube is symmetrically fixed with a fixed rod.

5. The device for forming a slot of a pre-embedded member of a vertical wall A railing of a railway bridge according to claim 1, wherein The top surface of the fixed circular tube is symmetrically fixed with a fixed sleeve block, the fixed sleeve block is internally slidably sleeved with a fixed clamping plate, the top surface of the fixed clamping plate is rotatably connected with a fixed screw rod through a bearing, the fixed screw rod is threadedly sleeved at the top of the fixed sleeve block, and the top surface of the fixed clamping plate on both sides of the fixed screw rod is fixed with a limiting slide rod.

6. The device for forming a slot of a pre-embedded part of a vertical wall A railing of a railway bridge according to claim 5, wherein The bottom surface of the fixed clamping plate above the extendable sleeve pipe and the inner circular rod is respectively provided with an arc matched with the extendable sleeve pipe and the inner circular rod, and the bottom of the fixed sleeve block and the top of the fixed circular tube are both provided with a placing groove matched with the fixed clamping plate.

7. The device for forming a slot of a pre-embedded member of a vertical wall A railing of a railway bridge according to claim 5, wherein A threaded hole matched with the fixed screw rod is formed at the center position of each fixed sleeve block, and a limiting hole matched with the limiting slide rod is formed in the top of the fixed sleeve block on both sides of the threaded hole.

8. The device for forming a slot of a pre-embedded part of a vertical wall A railing of a railway bridge according to claim 7, wherein The outer box is arranged in a U shape matched with the inner wall of the embedded box, the length of the extension sealing plate is equal to the length of the embedded box, the height of the outer box and the extension sealing plate is equal to the height of the embedded box, and the top surface of the outer box and the extension sealing plate is flush with the top surface of the embedded box.

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