A safety support bracket for bridge construction

Abstract

The utility model discloses a bridge construction safety support bracket, include: box -shaped support, its top is provided with the opening, the rotation support subassembly is fixedly connected in the left side of box -shaped support top, the support board is rotatoryly sleeved on the rotation support subassembly, is provided with the recess in its bottom, and a plurality of rubber blocks are fixedly bonded on its top, the screw extrusion drive overturning subassembly is installed in the box -shaped support and is fixedly connected with the front side inner wall and the back side inner wall of recess. The utility model is provided with a series of structures, and the inclination of support board is conveniently adjusted to the different prefabricated bridge stability of side inclination difference and is supported to prevent lateral tilting work, improves the applicability, and the position of box -shaped support and support board is conveniently adjusted according to the prefabricated bridge transverse of different width, so that personnel adjust the support spacing between the two relative support boards, and the prefabricated bridge of different width is supported on the side and is applied to prevent lateral tilting work, and the applicability is further improved.

Description

Technical Field

[0001] This utility model relates to the field of bridge construction technology, specifically a safety support bracket for bridge construction. Background Technology

[0002] During bridge construction, beams are lifted from the storage area to a semi-trailer flatbed truck by a gantry crane at the prefabrication site and transported to the installation position for installation. During transportation, in order to prevent the beams from tipping over, the support positions must be symmetrical and consistent. That is, multiple diagonal braces or brackets are set at equal intervals on both sides of the prefabricated bridge to carry out side support and anti-tipping work.

[0003] The existing diagonal braces or brackets used during the construction and transportation of precast bridges have the following shortcomings in actual use: 1. The slope of the diagonal braces or brackets is fixed, making it difficult to form a stable and close support with precast bridges with different side slopes, resulting in poor applicability; 2. Precast bridges come in various widths, and after multiple diagonal braces or brackets are installed and fixed on a semi-trailer, it is impossible to flexibly adjust the support spacing formed by the diagonal braces on both sides according to the different widths of the precast bridges, resulting in poor applicability. In view of this, this application proposes a safety support bracket for bridge construction to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this utility model is to provide a safety support bracket for bridge construction to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a safety support bracket for bridge construction, comprising:

[0006] A box-shaped support with an opening at the top;

[0007] The rotating support assembly is fixedly connected to the top left side of the box-shaped support;

[0008] The support plate is rotatably mounted on the swivel support assembly. A groove is provided at the bottom of the support plate and multiple rubber blocks are glued and fixed to its top. The swivel support assembly is used to rotate and install the support plate.

[0009] The threaded extrusion-driven tilting assembly is installed inside the box-shaped support and fixedly connected to the front and rear inner walls of the groove. The threaded extrusion-driven tilting assembly is used to drive the support plate to rotate upward or tilt downward. During bridge construction, when the precast bridge is transported from the storage area to the installation position using a semi-trailer flatbed truck, after multiple of these devices are installed at equal intervals on the semi-trailer flatbed truck, the upward-rotating support plate drives the corresponding rubber block to support the side of the precast bridge, thus preventing the precast bridge from tipping over during the transfer.

[0010] The lateral movement drive adjustment assembly is fixedly connected to the bottom of the box-shaped support; the lateral movement drive adjustment assembly is used to adjust the position of the box-shaped support and the support plate laterally according to the different widths of the precast bridge.

[0011] Preferably, the swivel support assembly includes two fixed seats and a first stainless steel shaft. The two fixed seats are fixedly connected to the top left side of the box-shaped support. The first stainless steel shaft is welded and fixed between the two fixed seats. The support plate is rotatably sleeved on the first stainless steel shaft. The left side of the support plate is set with an arc-shaped structure.

[0012] Preferably, the threaded extrusion drive flipping assembly includes a first T-shaped screw, two first T-shaped guide rails, a movable seat, four second stainless steel shafts, and two connecting rods. The first T-shaped screw is rotatably fitted into the right side of the box-shaped support and rotatably connected to its left inner wall. The two first T-shaped guide rails are fixedly connected to the bottom inner wall of the box-shaped support. The movable seat is slidably mounted on the two first T-shaped guide rails and threadedly sleeved on the first T-shaped screw. The two lower second stainless steel shafts are welded and fixed to the front and rear sides of the movable seat, respectively. The two upper second stainless steel shafts are welded and fixed to the front and rear inner walls of the groove, respectively. The two connecting rods are inclined and rotatably sleeved on the corresponding two second stainless steel shafts.

[0013] Preferably, the lateral movement drive adjustment assembly includes an L-shaped rod, a rectangular tube, three support balls, and a second T-shaped screw. The L-shaped rod is fixedly connected to the bottom left side of the box-shaped support. The rectangular tube is slidably sleeved on the L-shaped rod, and the right end of the rectangular tube is set as a sealing structure. The second T-shaped screw is rotatably embedded in the right end of the rectangular tube. The L-shaped rod is threaded onto the second T-shaped screw, and the three support balls are equidistantly and movably embedded in the bottom left side of the L-shaped rod.

[0014] Preferably, a rectangular plug for an electric wrench is fixedly connected to the right center of both the first T-shaped screw and the right center of the second T-shaped screw.

[0015] Preferably, the right side of the movable seat is provided with a threaded hole that is threadedly connected to the first T-shaped screw, and the bottom of the movable seat is provided with two first T-shaped grooves that are respectively slidably connected to the corresponding first T-shaped guide rails.

[0016] Preferably, the top of the rectangular tube is fixedly connected to two second T-shaped guide rails, and the bottom of the box-shaped support is provided with two second T-shaped sliding grooves, both of which are open on the right side. The second T-shaped sliding grooves are slidably connected to the corresponding second T-shaped guide rails.

[0017] Preferably, the right end of the L-shaped rod has a threaded groove that is threaded to the second T-shaped screw.

[0018] Preferably, two fixing ears are welded to both the front and rear sides of the rectangular tube.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. Through the combination of the set box-shaped support, support plate, rubber block, swivel support assembly and threaded extrusion drive overturning assembly, the tilt angle of the support plate can be flexibly adjusted so as to stably fit and support precast bridges with different side slopes to prevent overturning, thus improving applicability;

[0021] 2. By using the set lateral drive adjustment component, box-shaped support and support plate in combination, the position of the box-shaped support and support plate can be adjusted laterally according to the precast bridge of different widths. This allows personnel to flexibly adjust the spacing between the two opposite support plates, so that it can be used for anti-tilting work on the side of precast bridges of different widths during construction and transportation, and further improves applicability.

[0022] This utility model, through a series of structures, facilitates flexible adjustment of the inclination of the support plate to ensure stable fit and support against tilting of precast bridges with different side inclinations, thereby improving applicability. It also allows for lateral adjustment of the box-shaped support and the position of the support plate according to the different widths of precast bridges, enabling personnel to flexibly adjust the support spacing between two opposing support plates. This facilitates the support and anti-tilting work of precast bridges with different widths during construction and transportation, further enhancing applicability. Attached Figure Description

[0023] Figure 1 This is a structural schematic diagram of a safety support bracket for bridge construction proposed in this utility model;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure viewed from below;

[0025] Figure 3 This is a schematic diagram of the front sectional view of a safety support bracket for bridge construction proposed in this utility model;

[0026] Figure 4 This utility model presents a schematic diagram of the support plate of a safety support bracket for bridge construction in the state of side support on both sides before the first pair of prefabrication.

[0027] In the diagram: 1. Box-shaped support; 101. First T-shaped guide rail; 102. Movable seat; 103. Connecting rod; 104. Second stainless steel shaft; 105. First T-shaped screw; 2. Fixed seat; 201. First stainless steel shaft; 3. Support plate; 301. Rubber block; 4. Rectangular tube; 401. Second T-shaped screw; 402. L-shaped rod; 403. Support ball; 404. Second T-shaped guide rail; 405. Fixed lug; 5. Rectangular buckle plug for electric wrench. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] like Figures 1 to 4 As shown in this embodiment, a safety support bracket for bridge construction includes:

[0030] Box-shaped support 1, with an opening at the top;

[0031] The rotating support assembly is fixedly connected to the top left side of the box-shaped support 1;

[0032] The support plate 3 is rotatably sleeved on the swivel support assembly. A groove is provided at the bottom of the support plate 3 and multiple rubber blocks 301 are glued and fixed to its top. The swivel support assembly is used to rotatably install the support plate 3.

[0033] The threaded extrusion drive tilting assembly is installed inside the box-shaped support 1 and fixedly connected to the front and rear inner walls of the groove. The threaded extrusion drive tilting assembly is used to drive the support plate 3 to rotate upward or tilt downward. During bridge construction, when the precast bridge is transferred from the beam storage area to the installation position using a semi-trailer flatbed truck, after multiple of these devices are installed at equal intervals on the semi-trailer flatbed truck, the upward rotating support plate 3 drives the corresponding rubber block 301 to support the side of the precast bridge, so as to avoid the phenomenon of the precast bridge overturning during the transfer.

[0034] The lateral movement drive adjustment assembly is fixedly connected to the bottom of the box-shaped support 1; the lateral movement drive adjustment assembly is used to adjust the position of the box-shaped support 1 and the support plate 3 laterally according to the different widths of the precast bridge.

[0035] Furthermore, such as Figure 1 and 3 As shown, the swivel support assembly includes two fixed seats 2 and a first stainless steel shaft 201. Both fixed seats 2 are fixedly connected to the top left side of the box-shaped support 1. The first stainless steel shaft 201 is welded and fixed between the two fixed seats 2. The support plate 3 is rotatably sleeved on the first stainless steel shaft 201. The left side of the support plate 3 is set as an arc structure.

[0036] In this embodiment, a first circular hole is provided on the left side of the front side of the support plate 3. Two first bearings are fixedly sleeved in the first circular hole. The inner ring of the first bearing is fixedly sleeved with the outer side of the first stainless steel shaft 201, so as to achieve the effect of rotating and installing the support plate 3.

[0037] In this embodiment, two fixed seats 2 and a first stainless steel shaft 201 are used to cooperate, the two fixed seats 2 are used to fix and support the first stainless steel shaft 201, and the first stainless steel shaft 201 is used to rotate and install the support plate 3.

[0038] Furthermore, such as Figure 1 and 3 As shown, the threaded extrusion drive flipping assembly includes a first T-shaped screw 105, two first T-shaped guide rails 101, a movable seat 102, four second stainless steel shafts 104, and two connecting rods 103. The first T-shaped screw 105 is rotatably fitted into the right side of the box-shaped support 1 and rotatably connected to its left inner wall. The two first T-shaped guide rails 101 are fixedly connected to the bottom inner wall of the box-shaped support 1. The movable seat 102 is slidably installed on the two first T-shaped guide rails 101. The movable seat 102 is threaded onto the first T-shaped screw 105. The two lower second stainless steel shafts 104 are welded and fixed to the front and rear sides of the movable seat 102, respectively. The two upper second stainless steel shafts 104 are welded and fixed to the front and rear inner walls of the groove, respectively. The two connecting rods 103 are inclined and rotatably fitted onto the corresponding two second stainless steel shafts 104.

[0039] In this embodiment, the right side of the movable base 102 is provided with a threaded hole that is threadedly connected to the first T-shaped screw 105. The threaded connection between the first T-shaped screw 105 and the threaded hole facilitates the lateral displacement of the movable base 102 when the first T-shaped screw 105 rotates. The bottom of the movable base 102 has two first T-shaped grooves that are slidably connected to corresponding first T-shaped guide rails 101, providing lateral sliding guidance for the movable base 102. A second circular hole is provided on the inner right wall of the box-shaped support 1. A second bearing is fixedly installed inside the hole and on the left inner wall of the box-shaped support 1. There are two second bearings located in the second circular hole. The inner side of the inner ring of the second bearing is fixedly connected to the outer side of the first T-shaped screw 105, so as to achieve the effect of rotating the first T-shaped screw 105. The front top and front bottom of the connecting rod 103 are provided with a third circular hole. A third bearing is fixedly sleeved in the third circular hole. The inner ring of the third bearing is fixedly sleeved to the outer side of the corresponding second stainless steel shaft 104, so as to achieve the effect of rotating the second stainless steel shaft 104.

[0040] In this embodiment, the first T-shaped screw 105, two first T-shaped guide rails 101, a movable seat 102, four second stainless steel shafts 104, and two connecting rods 103 cooperate to rotate the first T-shaped screw 105, causing it to drive the movable seat 102 to slide to the left or move back to the right on the two first T-shaped guide rails 101. The movable seat 102 drives the bottom ends of the two connecting rods 103 to rotate to the left or back to the right through the two lower second stainless steel shafts 104. When the two connecting rods 103 rotate to the left, they are driven by the pressure of the two upper second stainless steel shafts 104. The support plate 3 rotates upward and tilts. When the two connecting rods 103 rotate to the right, the two second stainless steel shafts 104 above pull the support plate 3 downward, thus achieving the effect of driving the support plate 3 to rotate upward or tilt downward. During bridge construction, when the precast bridge is transported from the storage area to the installation position using a semi-trailer flatbed truck, after multiple of these devices are installed at equal intervals on the semi-trailer flatbed truck, the upward-rotating support plate 3 drives the corresponding rubber block 301 to support the side of the precast bridge, preventing the precast bridge from overturning during the transfer.

[0041] Furthermore, such as Figure 1 , 2 As shown in Figure 3, the transverse drive adjustment assembly includes an L-shaped rod 402, a rectangular tube 4, three support balls 403, and a second T-shaped screw 401. The L-shaped rod 402 is fixedly connected to the bottom left side of the box-shaped support 1. The rectangular tube 4 is slidably sleeved on the L-shaped rod 402. The right end of the rectangular tube 4 is set as a sealing structure. The second T-shaped screw 401 is rotatably embedded in the right end of the rectangular tube 4. The L-shaped rod 402 is threaded on the second T-shaped screw 401. The three support balls 403 are equidistantly and movably embedded in the bottom left side of the L-shaped rod 402.

[0042] In this embodiment, two second T-shaped guide rails 404 are fixedly connected to the top of the rectangular tube 4. Two second T-shaped sliding grooves with openings on the right side are opened at the bottom of the box-shaped support 1. The second T-shaped sliding grooves are slidably connected to the corresponding second T-shaped guide rails 404, which serves to guide the box-shaped support 1 to slide laterally. The right end of the L-shaped rod 402 has a threaded groove that is threadedly connected to the second T-shaped screw 401. The threaded connection between the second T-shaped screw 401 and the threaded groove facilitates the lateral displacement of the L-shaped rod 402 when the second T-shaped screw 401 rotates. The right end of the rectangular tube 4 has a fourth circular hole, and two fourth bearings are fixedly fitted inside the fourth circular hole. The inner ring of the fourth bearing is fixedly connected to the outer side of the second T-shaped screw 401, which serves to rotatably install the second T-shaped screw 401. Two fixing ears 405 are welded and fixed to the front and rear sides of the rectangular tube 4. The fixing ears 405 are used for welding or fixing to the semi-trailer flatbed truck by external bolts for fixed support of the entire device.

[0043] In this embodiment, the L-shaped rod 402, rectangular tube 4, three supporting balls 403, and second T-shaped screw 401 work together to rotate the second T-shaped screw 401, causing the L-shaped rod 402 to slide to the left or move back to the right within the rectangular tube 4. The L-shaped rod 402 drives the three supporting balls 403 to move laterally, and the L-shaped rod 402 drives the box-shaped support 1 to move to the left or move back to the right. This allows for convenient lateral adjustment of the box-shaped support 1 and the support plate 3 according to the different widths of the precast bridge, so that it can be used for side support and anti-tilting work on the side of precast bridges of different widths during construction and transportation.

[0044] Furthermore, a rectangular plug 5 for an electric wrench is fixedly connected to the right center of the first T-shaped screw 105 and the right center of the second T-shaped screw 401; the rectangular plug 5 for an electric wrench is provided to allow personnel to directly drive the first T-shaped screw 105 or the second T-shaped screw 401 to rotate quickly by inserting an external electric wrench.

[0045] It should be noted that the fixed seat 2, the first T-shaped screw 105, the first T-shaped guide rail 101, the movable seat 102, the connecting rod 103, the L-shaped rod 402, the rectangular tube 4, and the second T-shaped screw 401 are all made of stainless steel. The outer thread clearance of the first T-shaped screw 105 and the second T-shaped screw 401 are both high wear-resistant and load-bearing specifications of 0.2-0.35mm. The stainless steel material has the advantages of high hardness, high wear resistance, and good maintenance-free effect, which ensures the stability of long-term connection and drive support.

[0046] The method of use in this embodiment is as follows: When using the safety support bracket for bridge construction, multiple of these devices are installed and fixed at equal intervals on both sides of the top of the semi-trailer flatbed truck, with opposite devices arranged symmetrically. During construction, after the two precast beams in the storage area are placed on the semi-trailer flatbed truck, the first T-shaped screw 105 is rotated forward to drive the moving seat 102 to slide on the two first T-shaped guide rails 101 towards the precast bridge. The moving seat 102 drives the bottom ends of the two connecting rods 103 to rotate towards the precast bridge via the two lower second stainless steel shafts 104. The two connecting rods 103, through the upper two second stainless steel shafts 104, press and drive the support plate 3 to rotate upward. The tilting mechanism utilizes the upward-rotating support plate 3 to drive the corresponding rubber block 301 to support the side of the precast bridge, preventing the precast bridge from overturning during transfer. The adjustable tilt angle of the support plate 3 facilitates stable support and anti-overturning of precast bridges with different side slopes, improving applicability. When the side support needs to be released after transfer, the first T-shaped screw 105 is rotated in the opposite direction. Similarly, the movement direction of the first T-shaped screw 105 is completely opposite to that of the forward rotation mentioned above. At this time, the moving seat 102 moves back in the direction away from the precast bridge, and the two connecting rods 103 pull and drive the support plate 3 to rotate downward and reset, releasing the side support.

[0047] When it is necessary to adjust the support spacing of the two opposing support plates 3 on both sides according to the different widths of precast bridges, the second T-shaped screw 401 is rotated to drive the L-shaped rod 402 to slide to the left or move back to the right inside the rectangular tube 4. The L-shaped rod 402 drives the three support balls 403 to move laterally. The L-shaped rod 402 drives the box-shaped support 1 to move to the left or move back to the right. The L-shaped rod 402 drives the corresponding box-shaped support 1 to move laterally. The box-shaped support 1 drives the support plate 3 to move laterally through the corresponding two fixed seats 2 and the first stainless steel shaft 201 in sequence. This achieves the effect of conveniently adjusting the position of the box-shaped support 1 and the support plate 3 laterally according to the different widths of precast bridges. This allows personnel to flexibly adjust the spacing between the two opposing support plates 3, so that it can be used for side support and anti-tilting work on the side of precast bridges of different widths during construction and transportation, further improving its applicability.

[0048] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A safety support bracket for bridge construction, comprising a box-shaped support (1), characterized in that: include: A box-shaped support (1) has an opening at its top; The rotating support assembly is fixedly connected to the top left side of the box-shaped support (1); The support plate (3) is rotatably sleeved on the swivel support assembly. A groove is provided at its bottom and multiple rubber blocks (301) are glued and fixed at its top. The threaded extrusion drive flipping assembly is installed inside the box-shaped support (1) and fixedly connected to the front inner wall and the rear inner wall of the groove; The lateral movement drive adjustment component is fixedly connected to the bottom of the box-shaped support (1).

2. The safety support bracket for bridge construction according to claim 1, characterized in that: The rotating support assembly includes two fixed seats (2) and a first stainless steel shaft (201). The two fixed seats (2) are fixedly connected to the top left side of the box-shaped support (1). The first stainless steel shaft (201) is welded and fixed between the two fixed seats (2). The support plate (3) is rotatably sleeved on the first stainless steel shaft (201). The left side of the support plate (3) is set as an arc structure.

3. The safety support bracket for bridge construction according to claim 1, characterized in that: The threaded extrusion drive flipping assembly includes a first T-shaped screw (105), two first T-shaped guide rails (101), a movable seat (102), four second stainless steel shafts (104), and two connecting rods (103). The first T-shaped screw (105) is rotatably fitted into the right side of the box-shaped support (1) and rotatably connected to its left inner wall. The two first T-shaped guide rails (101) are fixedly connected to the bottom inner wall of the box-shaped support (1). The movable seat (102) is slidably installed on the two first T-shaped guide rails (101). The movable seat (102) is threaded onto the first T-shaped screw (105). The two second stainless steel shafts (104) located below are welded and fixed to the front and rear sides of the movable seat (102), respectively. The two second stainless steel shafts (104) located above are welded and fixed to the front and rear inner walls of the groove, respectively. The two connecting rods (103) are inclined and rotatably fitted onto the corresponding two second stainless steel shafts (104).

4. A safety support bracket for bridge construction according to claim 3, characterized in that: The lateral drive adjustment assembly includes an L-shaped rod (402), a rectangular tube (4), three support balls (403), and a second T-shaped screw (401). The L-shaped rod (402) is fixedly connected to the bottom left side of the box-shaped support (1). The rectangular tube (4) is slidably sleeved on the L-shaped rod (402). The right end of the rectangular tube (4) is set as a sealing structure. The second T-shaped screw (401) is rotatably embedded in the right end of the rectangular tube (4). The L-shaped rod (402) is threaded on the second T-shaped screw (401). The three support balls (403) are equidistantly and movably embedded in the bottom left side of the L-shaped rod (402).

5. A safety support bracket for bridge construction according to claim 4, characterized in that: Electric wrench rectangular plugs (5) are fixedly connected to the right center of the first T-shaped screw (105) and the right center of the second T-shaped screw (401).

6. A safety support bracket for bridge construction according to claim 3, characterized in that: The right side of the movable seat (102) is provided with a threaded hole that is threadedly connected to the first T-shaped screw (105), and the bottom of the movable seat (102) is provided with two first T-shaped grooves that are slidably connected to the corresponding first T-shaped guide rails (101).

7. A safety support bracket for bridge construction according to claim 4, characterized in that: The top of the rectangular tube (4) is fixedly connected to two second T-shaped guide rails (404), and the bottom of the box-shaped support (1) is provided with two second T-shaped sliding grooves, both of which are open on the right side. The second T-shaped sliding grooves are slidably connected to the corresponding second T-shaped guide rails (404).

8. A safety support bracket for bridge construction according to claim 4, characterized in that: The right end of the L-shaped rod (402) is provided with a threaded groove that is threadedly connected to the second T-shaped screw (401).

9. A safety support bracket for bridge construction according to claim 4, characterized in that: The rectangular tube (4) has two fixing ears (405) welded to its front and rear sides.

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