Railway bridge under guardrail post support positioning device

Abstract

The utility model discloses a railway bridge under protective fence stand column support positioning device, including basic mould, stand column, positioner, connecting rod, regulating valve and telescopic support rod, and stand column sets up in basic mould, positioner includes positioning U frame and positioning bolt, and connecting rod connects between positioning U frame and basic mould, and regulating valve includes adjusting U frame and adjusting screw rod, and telescopic support rod includes outer tube, inner rod and locking bolt, and one end of telescopic support rod is rotatively connected with adjusting U frame, and the other end is fixedly connected with ground, and it can solve the problem of the precision positioning difference of the protective fence foundation and stand column of the prior art, and better control the perpendicularity of stand column, the top surface elevation and the overall line shape of the protective fence in the construction of the protective fence stand column foundation under the high speed railway bridge.

Description

Technical Field

[0001] This utility model relates to the field of engineering technology, and in particular to a support and positioning device for protective fence columns under railway bridges. Background Technology

[0002] With the development of high-speed railways, the construction quality of ancillary works under bridges is becoming increasingly stringent. Protective fences under bridges are an important basic safety facility in railway transportation, balancing safety and practicality.

[0003] To provide technical support for the ancillary works under high-speed railway bridges, it is currently necessary to solve the problem of inaccurate positioning of the foundation and posts of the protective fence, so as to better control the verticality of the posts, the top elevation, and the overall shape of the protective fence during the construction of the foundation of the protective fence posts under high-speed railway bridges. Utility Model Content

[0004] The purpose of this utility model is to provide a support and positioning device for protective fence columns under railway bridges, which solves the problem of poor positioning of the foundation and columns of existing protective fences, and enables better control of column verticality, top surface elevation and overall shape of the protective fence during the construction of the foundation of protective fence columns under high-speed railway bridges.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a support and positioning device for protective fence posts under railway bridges, including a base mold, posts, a positioner, a connecting rod, an adjusting valve, and a telescopic support rod. The base mold is configured as a frame structure; the posts are set in the base mold; the positioner includes a positioning U-shaped frame and a positioning bolt; the positioning U-shaped frame is sleeved on the outside of the post, and a positioning screw hole is opened on its side; the positioning bolt is screwed into the positioning screw hole, and a first protective washer is provided between the end of the positioning bolt and the outer wall of the post; the connecting rod connects the positioning U-shaped frame and the base mold; The regulating valve includes an regulating U-shaped frame and an regulating screw; the regulating U-shaped frame is sleeved on the outside of the column, and an regulating screw hole is opened on its side; the regulating screw is screwed into the regulating screw hole, and a second protective gasket is provided between the end of the regulating screw and the outer wall of the column; the telescopic support rod includes an outer tube, an inner rod, and a locking bolt; the outer tube is slidably sleeved on the outside of the inner rod, and a locking screw hole is opened on its side wall; the locking bolt is screwed into the locking screw hole, and its end contacts the outer wall of the inner rod; one end of the telescopic support rod is rotatably connected to the regulating U-shaped frame, and the other end is fixedly connected to the ground.

[0007] Preferably, the basic mold includes four rectangular steel plates, which are connected in sequence to form a rectangular frame; the column is a rectangular column and is located at the center of the basic mold.

[0008] Preferably, the positioning U-shaped frame is configured as a right-angle bent structure, and the connecting rod is configured as a rectangular rod.

[0009] Preferably, the top and bottom surfaces of the positioning U-shaped frame are respectively provided with a first connecting plate and a second connecting plate, and the connecting rod is connected between the first connecting plate and the base mold; the second connecting plate has a connecting hole, the connecting rod passes through the connecting hole and is connected to the inner wall of the connecting hole.

[0010] Preferably, the positioning screw holes are respectively opened on the two opposite sides of the positioning U-shaped frame, and the positioning bolts are respectively installed in the positioning screw holes, with the two positioning bolts arranged symmetrically; the connecting rods are provided as two, and are arranged symmetrically.

[0011] Preferably, the first protective pad is configured as a rectangular piece.

[0012] Preferably, the adjusting U-shaped frame is configured as a right-angle bent structure, the outer tube is configured as a rectangular tube, and the inner rod is configured as a rectangular rod; the top of the telescopic support rod is rotatably connected to the adjusting U-shaped frame by connecting bolts.

[0013] Preferably, the second protective pad is configured as a rectangular piece.

[0014] Preferably, two regulating valves and two telescopic support rods are provided, and they are respectively located on both sides of the column.

[0015] Preferably, the other end of the adjusting screw is connected to the rotating plate.

[0016] The railway bridge underpass protective fence post support and positioning device provided by this utility model has the following beneficial effects:

[0017] 1. The railway bridge underpass protective fence column support and positioning device provided by this utility model can solve the problem of poor positioning of the existing protective fence foundation and columns. It enables better control of column verticality, top surface elevation, and overall alignment of the protective fence during the construction of the protective fence column foundation on high-speed railway bridges. By adopting an integrated design concept, the foundation mold, column positioner, adjusting valve, and telescopic support rod are integrated into a single structure. This effectively ensures control over the design dimensions of the protective fence foundation, column verticality, and overall alignment of the protective fence columns, thereby reducing quality defects during construction and minimizing the work of fine-tuning the column alignment later. Furthermore, it is easy to install, saves materials, reduces steel consumption, and effectively saves costs.

[0018] 2. The railway bridge underpass protective fence column support positioning device provided by this utility model, through its application in construction, has greatly improved work efficiency, construction quality and precision, as well as economic benefits compared with the traditional process tooling construction. Attached Figure Description

[0019] Figure 1 This is a front view of a railway bridge underpass protective fence column support and positioning device provided in an embodiment of this utility model.

[0020] Figure 2 This is a side view of a railway bridge underpass protective fence column support and positioning device provided in an embodiment of this utility model.

[0021] Figure 3 This is a top view of the base mold of the railway bridge under-bridge protective fence column support and positioning device provided in one embodiment of this utility model.

[0022] Figure 4 This is a top view of a railway bridge underpass protective fence column support and positioning device provided in an embodiment of this utility model.

[0023] Figure 5 This is a top view of the regulating valve supporting the protective fence column under the railway bridge provided in one embodiment of this utility model.

[0024] Figure reference numerals:

[0025] 1. Basic mold; 2. Column; 310. Positioning U-shaped frame; 311. First connecting plate; 312. Second connecting plate; 320. Positioning bolt; 330. Connecting rod; 340. First protective gasket; 410. Adjusting U-shaped frame; 420. Adjusting screw; 430. Second protective gasket; 440. Rotating plate; 5. Telescopic support rod; 510. Outer tube; 520. Inner rod; 530. Locking bolt; 540. Connecting bolt; 6. Ground. Detailed Implementation

[0026] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0027] Example

[0028] Please refer to the reference. Figures 1 to 5This embodiment provides a support and positioning device for protective fence posts under railway bridges, including a base mold 1, posts 2, a locator, a connecting rod 330, an adjusting valve, and a telescopic support rod 5; the base mold 1 is configured as a frame structure; the posts 2 are set in the base mold 1; the locator includes a positioning U-shaped frame 310 and a positioning bolt 320; the positioning U-shaped frame 310 is sleeved on the outside of the posts 2, and a positioning screw hole is opened on the side; the positioning bolt 320 is screwed into the positioning screw hole, and a first protective washer 340 is provided between the end of the positioning bolt 320 and the outer wall of the posts 2; the connecting rod 330 connects the positioning U-shaped frame 310 and the base mold 1; the adjusting valve includes The U-shaped frame 410 and the adjusting screw 420 are adjusted. The U-shaped frame 410 is fitted around the outside of the column 2 and has an adjusting screw hole on its side. The adjusting screw 420 is screwed into the adjusting screw hole, and a second protective gasket 430 is provided between the end of the adjusting screw 420 and the outer wall of the column 2. The telescopic support rod 5 includes an outer tube 510, an inner rod 520 and a locking bolt 530. The outer tube 510 is slidably fitted around the outside of the inner rod 520 and has a locking screw hole on its side wall. The locking bolt 530 is screwed into the locking screw hole and its end contacts the outer wall of the inner rod 520. One end of the telescopic support rod 5 is rotatably connected to the U-shaped frame 410 and the other end is fixedly connected to the ground 6.

[0029] The railway bridge underpass protective fence post support and positioning device of this embodiment includes the following steps when in use:

[0030] Step S1: Design the geometric parameters such as the size and shape of the basic template 1, and make the basic template 1 to effectively ensure the design dimensions of the protective fence foundation;

[0031] Step S2: Connect the base template 1 and the locator with the connecting rod 330 to assemble them into an integrated structure, which facilitates installation and operation; then use a standard steel ruler to check and correct the geometric parameters of the base template 1, the locator, and the position of the locator relative to the base template 1, and use a level to check and correct the verticality of the integrated structure to ensure the verticality of the base template 1 and the integrated structure, and at the same time ensure that the base template 1 and the locator are coaxial.

[0032] Step S3: Excavate the foundation pit for the column, determine the excavation depth using a level, and level and compact the bottom of the foundation pit.

[0033] Step S4, Installing the foundation template 1: Use a total station to lay out and position the foundation template 1, and a standard ruler to check the position; install the mold formed by the foundation template 1 on the leveled and compacted bottom of the foundation pit, and level the foundation template 1 with a level; by controlling the line shape and elevation of the mold formed by the foundation template 1, the overall line shape and top elevation of the protective fence post can be effectively controlled.

[0034] Step S5: Install column 2: Use crane machinery to lift column 2 and manually place it into the leveled and compacted foundation pit. Use a locator to determine the position of column 2 and tighten the positioning bolts 320 to secure column 2, ensuring the position of column 2 relative to the foundation template 1 and ensuring the alignment and top elevation of column 2.

[0035] The positioning bolt 320 is passed through the positioning screw hole, so that the end of the positioning bolt 320 contacts the first protective washer 340, and the end of the positioning bolt 320 presses against the first protective washer 340, thereby pressing against the column 2; the first protective washer 340 protects the outer wall of the column 2.

[0036] Step S6: Set the inclined telescopic support rod 5: Rotate the top of the telescopic support rod 5 to the adjusting U-shaped frame 410 of the adjusting valve, and insert the other end of the telescopic support rod 5 into the ground 6 for fixation, so that the telescopic support rod 5 provides auxiliary support for the column 2; by adjusting the length of the telescopic support rod 5, tightening the locking bolt 530 to fix the length of the telescopic support rod 5, and tightening the adjusting screw 420 to fix the column 2, the verticality of the column 2 can be guaranteed;

[0037] The adjusting screw 420 passes through the adjusting screw hole, and the end of the adjusting screw 420 contacts the second protective pad 430. The end of the adjusting screw 420 presses against the second protective pad 430, thereby pressing against the column 2. The second protective pad 430 protects the outer wall of the column 2.

[0038] Step S7: Pour foundation concrete into the foundation formwork 1 to fix the column 2.

[0039] Please refer to the reference. Figures 1 to 4 Specifically, the basic mold 1 includes four rectangular steel plates, which are connected in sequence to form a rectangular frame; the column 2 is a rectangular column and is set in the center of the basic mold 1; thus facilitating the production of the basic mold 1 and the setting of the column 2 in the basic mold 1.

[0040] Please refer to the reference. Figure 1 , Figure 2 and Figure 4 Furthermore, the positioning U-shaped frame 310 is configured as a right-angle bent structure, and the connecting rod 330 is configured as a rectangular rod; thus, it is convenient for the positioning U-shaped frame 310 to surround the column 2, and it is also convenient for the top and bottom ends of the connecting rod 330 to connect the positioning U-shaped frame 310 and the basic mold 1 respectively.

[0041] Furthermore, the top and bottom surfaces of the positioning U-shaped frame 310 are respectively provided with a first connecting plate 311 and a second connecting plate 312, and a connecting rod 330 is connected between the first connecting plate 311 and the base mold 1; the second connecting plate 312 has a connecting hole, the connecting rod 330 passes through the connecting hole and is connected to the inner wall of the connecting hole; thereby facilitating the positioning U-shaped frame 310 to be firmly and reliably connected to the base mold 1 through the first connecting plate 311, the second connecting plate 312 and the connecting rod 330.

[0042] Furthermore, positioning screw holes are opened on the two opposite sides of the positioning U-shaped frame 310, and positioning bolts 320 are respectively installed in the positioning screw holes. The two positioning bolts 320 are arranged symmetrically. There are two connecting rods 330, which are also arranged symmetrically. This facilitates the balanced positioning of the column 2 from both sides.

[0043] Please refer to the reference. Figure 1 , Figure 2 and Figure 5 Specifically, the adjusting U-shaped frame 410 is configured as a right-angle bent structure, the outer tube 510 is configured as a rectangular tube, and the inner rod 520 is configured as a rectangular rod; the top of the telescopic support rod 5 is rotatably connected to the adjusting U-shaped frame 410 through the connecting bolt 540; thus, it is convenient for the adjusting U-shaped frame 410 to surround the column 2, and it is also convenient for the outer tube 510 and the inner rod 520 to form an adjustable telescopic support rod 5, and for the top of the telescopic support rod 5 to form a rotatable connection structure with the adjusting U-shaped frame 410 through the connecting bolt 540.

[0044] like Figure 2 As shown, specifically, two regulating valves and two telescopic support rods 5 are provided, and they are respectively located on both sides of the column 2; thus, it is more convenient to adjust the verticality of the column 2 in a balanced manner through the regulating valves and the telescopic support rods 5.

[0045] Specifically, the other end of the adjusting screw 420 is connected to the rotating plate 440; thus, rotating the rotating plate 440 can drive the adjusting screw 420 to rotate.

[0046] by Figure 1 , Figures 3 to 5 The left and right directions in the middle are the left and right directions, respectively. Figure 2 The left and right directions in the middle are the front and back directions, respectively, and are based on... Figure 1 , Figure 2 The up and down directions are explained as up and down respectively.

[0047] Please refer to the reference. Figures 1 to 4The basic mold 1 consists of two vertically combined steel templates measuring 46×50cm (width×height) and two vertically combined steel templates measuring 40×50cm (width×height). These templates are detachably connected in pairs along their vertical sides to form a rectangular frame, with the central axis of the rectangular frame being vertical. This basic mold 1 effectively ensures the design dimensions of the protective fence foundation. By controlling the alignment and elevation of the basic mold 1, the overall alignment and top elevation of the fence posts 2 are effectively controlled. Combined with the telescopic adjustment of the telescopic support rods 5, the verticality of the posts 2 is effectively guaranteed.

[0048] Please refer to the reference. Figure 1 , Figure 2 and Figure 4 The positioning device is constructed from structural steel. The connecting rod 330 is a vertical square steel. Two square steel sections and one structural steel positioning device form the column positioning assembly. Two steel templates, each 40×50cm wide and high, form the front and rear side walls of the foundation template 1, respectively. The bottom of the square steel section is connected to the rear 40×50cm steel template to form a single unit. The top of the square steel section is connected to the structural steel positioning device to facilitate installation and operation.

[0049] The positioning U-shaped frame 310 is formed by bending a steel plate at a right angle. The positioner secures the vertical column 2 by setting horizontal positioning bolts 320 and vertical rectangular first protective pads 340 on the left and right side walls of the positioning U-shaped frame 310, ensuring the position of the column 2 relative to the foundation template 1.

[0050] The positioning bolts 320 and the first protective gasket 340 on the left and right sides of the positioning U-shaped frame 310 are arranged symmetrically.

[0051] The top and bottom of the rear sidewall of the positioning U-shaped frame 310 are connected to the rear sides of the first connecting plate 311 and the second connecting plate 312, which are horizontal rectangular plates, respectively. The first connecting plate 311 may also have a connecting hole, into which the top end of the connecting rod 330 is positioned and connected. The bottom of the connecting rod 330 is connected to the rear sidewall of the foundation template 1, and the bottom surface of the connecting rod 330 is flush with the bottom surface of the rear sidewall of the foundation template 1. The connecting rod 330 is located on the outside of the frame structure of the foundation template 1.

[0052] Please refer to the reference. Figure 1 , Figure 2 and Figure 5 An adjusting screw hole is provided on the left side and / or right side of the adjusting U-shaped frame 410, and a horizontal adjusting screw 420 is installed in the adjusting screw hole. The adjusting screw 420 is connected to the center position of the rotating plate 440. The rotating plate 440 is a vertical circular plate. The adjusting U-shaped frame 410 can be formed by bending a 0.5cm thick steel plate at a right angle. The adjusting U-shaped frame 410, the adjusting screw 420, and the rotating plate 440 constitute a rotary hand valve.

[0053] Please refer to the reference. Figure 4 and Figure 5 Both the first protective pad 340 and the second protective pad 430 are rectangular pieces and are both rubber pads.

[0054] like Figure 2 As shown, the telescopic support rod 5 is configured as an inclined rod, and its top is rotatably connected to the rear side wall of the adjusting U-shaped frame 410 via a transverse connecting bolt 540. The telescopic support rod 5 is fixed in position by a transverse locking bolt 530.

[0055] The outer tube 510 can be set as an inclined square steel sleeve, and its side length can be set to 2.6cm. The inner rod 520 can be set as an inclined square steel, and its side length can be set to 2cm.

[0056] An inner rod 520 is slidably installed at each end of the outer tube 510. Two locking screw holes are provided on the side wall of the outer tube 510, and a locking bolt 530 is screwed into each locking screw hole. The two locking bolts 530 are used to fasten the inner rod 520. The top end of the upper inner rod 520 is rotatably connected to the adjusting U-shaped frame 410 by a connecting bolt 540, and the bottom end of the lower outer tube 510 is fixed to the ground 6.

[0057] The basic template 1, positioner, and regulating valve are arranged sequentially from bottom to top. The column 2 can be equipped with at least one pair of regulating valves and one pair of telescopic support rods 5. In each pair, the two regulating valves and the two telescopic support rods 5 are respectively set on the front and rear sides of the column 2. In each pair, the openings of the two regulating U-shaped frames 410 of the two regulating valves are opposite to each other and arranged vertically.

[0058] The above embodiments are merely illustrative examples and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations. However, obvious variations or modifications derived therefrom are still within the protection scope of this invention.

[0059] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0060] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to has a specific orientation, or is constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0061] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. A support and positioning device for protective fence posts under railway bridges, characterized in that, include: The basic mold is designed as a frame structure. The columns are installed in the foundation mold; The positioner includes a positioning U-shaped frame and a positioning bolt; the positioning U-shaped frame is sleeved on the outside of the column and has a positioning screw hole on its side; the positioning bolt is screwed into the positioning screw hole, and a first protective washer is provided between the end of the positioning bolt and the outer wall of the column. A connecting rod connects the positioning U-shaped frame and the base mold; The regulating valve includes an regulating U-shaped frame and an regulating screw; the regulating U-shaped frame is sleeved on the outside of the column and has a regulating screw hole on its side; the regulating screw is screwed into the regulating screw hole, and a second protective gasket is provided between the end of the regulating screw and the outer wall of the column. The telescopic support rod includes an outer tube, an inner rod, and a locking bolt; the outer tube is slidably sleeved on the outside of the inner rod, and a locking screw hole is opened on its side wall; the locking bolt is screwed into the locking screw hole, and its end contacts the outer wall of the inner rod; one end of the telescopic support rod is rotatably connected to the adjusting U-shaped frame, and the other end is fixedly connected to the ground.

2. The railway bridge underpass protective fence post support and positioning device according to claim 1, characterized in that, The basic mold includes four rectangular steel plates, which are connected in sequence to form a rectangular frame; the column is a rectangular column and is located at the center of the basic mold.

3. The railway bridge underpass protective fence post support and positioning device according to claim 2, characterized in that, The positioning U-shaped frame is configured as a right-angle bent structure, and the connecting rod is configured as a rectangular rod.

4. The railway bridge underpass protective fence post support and positioning device according to claim 3, characterized in that, The top and bottom surfaces of the positioning U-shaped frame are respectively provided with a first connecting plate and a second connecting plate, and the connecting rod is connected between the first connecting plate and the base mold; the second connecting plate has a connecting hole, the connecting rod passes through the connecting hole and is connected to the inner wall of the connecting hole.

5. The railway bridge underpass protective fence post support and positioning device according to claim 4, characterized in that, The positioning U-shaped frame has positioning screw holes on its two opposite sides, and positioning bolts are respectively installed in the positioning screw holes. The two positioning bolts are arranged symmetrically. There are two connecting rods, which are also arranged symmetrically.

6. The railway bridge underpass protective fence post support and positioning device according to claim 1, characterized in that, The first protective pad is configured as a rectangular piece.

7. The railway bridge underpass protective fence post support and positioning device according to claim 2, characterized in that, The adjusting U-shaped frame is configured with a right-angle bend structure, the outer tube is configured as a rectangular tube, and the inner rod is configured as a rectangular rod; the top of the telescopic support rod is rotatably connected to the adjusting U-shaped frame by connecting bolts.

8. The railway bridge underpass protective fence post support and positioning device according to claim 7, characterized in that, The second protective pad is configured as a rectangular piece.

9. The railway bridge underpass protective fence post support and positioning device according to claim 1, characterized in that, Two regulating valves and two telescopic support rods are respectively provided, and are respectively located on both sides of the column.

10. The railway bridge underpass protective fence post support and positioning device according to any one of claims 1-9, characterized in that, The other end of the adjusting screw is connected to the rotating plate.

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