Aluminum mold supporting device suitable for box culvert construction

Abstract

The invention belongs to the technical field of aluminum mold supporting devices, and particularly relates to an aluminum mold supporting device suitable for box culvert construction, which comprises a first push rod and a second push rod, the other ends of the first pushing rod and the second pushing rod are hinged to an inner supporting plate assembly used for supporting an aluminum die assembly, the inner supporting plate assembly comprises a plate sleeve, the other end of the first pushing rod is hinged to the plate sleeve, a telescopic plate of the plate sleeve is movably inserted into the plate sleeve, and the other end of the second pushing rod is hinged to the telescopic plate. Due to the fact that the length of the inner supporting plate assembly can be adjusted, in the process of shortening the length of the inner supporting plate assembly, the size of a triangular structure formed by a first pushing rod, a second pushing rod, a lug base and the inner supporting plate assembly can be greatly reduced, and therefore workers can conveniently carry and install the device under the condition that the device is not used; and the working efficiency of workers is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of aluminum formwork supporting devices, in particular to an aluminum formwork supporting device suitable for box culvert construction. Background Art

[0002] Box culvert construction refers to the process of building a box-shaped concrete structure channel or pipeline underground. It is usually used to cross roads, railways or small rivers for drainage, cable passage or as a small tunnel. Before pouring the box-shaped concrete structure, workers are required to build an aluminum mold and use a supporting device to support and reinforce the aluminum mold to ensure the stability of the aluminum mold.

[0003] The patent with publication number CN117328495A discloses a pipe gallery reinforcement aluminum formwork support structure, including several groups of oblique support devices and several groups of vertical support assemblies. The oblique support devices are used to support the inner side formworks on both sides of the middle formwork, and the vertical support assemblies are used to support the top formwork of the middle formwork. The oblique support devices are composed of an inner support plate and two groups of oblique support assemblies. The oblique support assemblies include hinged ear seats and push rods. This scheme supports the side formwork and the top formwork respectively through the oblique support devices and the vertical support assemblies to ensure the stability of the entire aluminum formwork structure. In addition, the oblique support devices and the vertical support assemblies can be adjusted in length, which can directly adapt to the construction of box culverts of different specifications, thereby improving the practicability of the device.

[0004] In the above scheme, the inclined support device composed of an inner support plate and two groups of inclined support assemblies has a triangular structure. The triangular structure has good stability, but it causes the inclined support device to be larger in size. Since the space for box culvert construction is limited, the larger inclined support device is not conducive to the workers' transportation and installation at the construction site, thereby reducing the workers' construction efficiency. For this reason, the present invention provides an aluminum mold support device suitable for box culvert construction. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve its technical problems is: an aluminum formwork supporting device suitable for box culvert construction described in the present invention comprises a first push rod and a second push rod, one end of the first push rod and the second push rod are both hinged to an ear seat, the other ends of the first push rod and the second push rod are both hinged to support an inner support plate assembly of the aluminum formwork assembly, the inner support plate assembly comprises a plate sleeve, the other end of the first push rod is hinged to the plate sleeve, a telescopic plate of a movably inserted plate sleeve, and the other end of the second push rod is hinged to the telescopic plate, two groups of fixed blocks are symmetrically inserted at both sides of the lower end of the plate sleeve, an L-shaped block fixedly connected to the fixed block, the two groups of L-shaped blocks are both screwed to a double-threaded screw, a fixed seat rotatably connected to the middle part of the double-threaded screw, the fixed seat is fixedly installed on the plate sleeve, two groups of docking holes are provided on the plate sleeve and the telescopic plate, gaskets are placed on one side of the two groups of docking holes on the telescopic plate, the gaskets are used to raise the telescopic plate, the aluminum formwork assembly comprises a template and a fastener, the fastener comprises a screw and a nut, and the docking hole is used to dock the screw end;

[0007] Since the length of the inner support plate assembly can be adjusted, in the process of shortening the length of the inner support plate assembly, the volume of the triangular structure formed by the first push rod, the second push rod, the ear seat, and the inner support plate assembly will be greatly reduced. Therefore, when the device is not in use, it is convenient for the staff to carry and install the device, thereby improving the work efficiency of the staff.

[0008] Preferably, two groups of rectangular grooves are opened on one side of the telescopic plate, and the two groups of rectangular grooves are directly opposite to the two groups of docking holes on the telescopic plate, and pads are movably inserted into the rectangular grooves. A first spring is arranged on one side of the two groups of pads for connecting a connecting rod and an L-shaped rod. The lower end of the L-shaped rod is fixedly connected to a group of pads, and a roller rotatably installed at the upper end of the L-shaped rod. The two groups of first springs are respectively located in the two groups of docking holes on the telescopic plate, one end of the first spring is fixedly connected to the pad, and the other end of the first spring is fixedly connected to the inner wall of the docking hole. A pushing block for pushing the roller is fixedly installed in the plate sleeve, and the roller is close to the pushing block. A movable groove is arranged in the telescopic plate, and the L-shaped rod and the connecting rod are both slidably connected to the movable groove. Two groups of linear bearings are embedded and installed on the connecting rod, and the linear bearings are movably inserted into guide pillars, and the guide pillars are fixedly installed in the movable groove;

[0009] The pad, connecting rod, L-shaped rod and roller move, and the linear bearing on the connecting rod slides along the guide column in the opposite direction of the arrow in the figure below, until the roller is against the inner wall of the plate sleeve. At this time, the pad is completely retracted into the rectangular groove, thereby not affecting the movement of the telescopic plate toward the inside of the plate sleeve, so that the length of the inner support plate assembly can be smoothly adjusted to the shortest state. Conversely, when the inner support plate assembly is lengthened, the roller will be squeezed by the push block, causing the pad to move out of the rectangular groove. Therefore, the pad will automatically move in or out of the rectangular groove as the inner support plate assembly is opened and retracted. There is no need for staff to install and disassemble the pad separately, thereby improving the efficiency of staff in installing and disassembling the device.

[0010] Preferably, the cushion block is symmetrically plugged with card blocks on both sides, and second springs are provided at both ends of the card blocks. The middle of the card blocks is fixedly connected to the pressure-bearing block, and the ends of the pressure-bearing block are provided with inverted slopes. Slots are symmetrically provided on both sides of the cushion block, and the card blocks are movably plugged into the slots. One end of the second spring is fixedly connected to the end of the card block, and the other end of the second spring is fixedly connected to the inner wall of the slot. Limiting grooves are provided on both sides of the rectangular groove, and the card blocks are clamped in the limiting grooves.

[0011] The cooperation between the limiting groove and the clamping block enables the cushion block to be limited in the rectangular groove, and the reverse thrust of the aluminum mold assembly will act on the telescopic plate through the cushion block, which not only avoids the deformation of the L-shaped rod, but also ensures the stability of the cushion block.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. Since the length of the inner support plate assembly can be adjusted, in the process of shortening the length of the inner support plate assembly, the volume of the triangular structure composed of the first push rod, the second push rod, the ear seat, and the inner support plate assembly will be greatly reduced. Therefore, when the device is not in use, it is convenient for the staff to carry and install the device, thereby improving the work efficiency of the staff.

[0014] 2. In the process of pushing the telescopic plate toward the inside of the plate sleeve, the pad, connecting rod, L-shaped rod and roller will move with the telescopic plate, and the roller will be staggered with the pushing block. Under the action of the first spring rebound force, the pad, connecting rod, L-shaped rod and roller will move. At the same time, the linear bearing on the connecting rod slides along the guide column in the opposite direction of the arrow in the figure below until the roller is against the inner wall of the plate sleeve. At this time, the pad is completely retracted into the rectangular groove, so as not to affect the movement of the telescopic plate toward the inside of the plate sleeve, so that the length of the inner support plate assembly can be smoothly adjusted to the shortest state. On the contrary, when the inner support plate assembly is lengthened, the roller will be squeezed by the pushing block, causing the pad to move out of the rectangular groove. Therefore, the pad will automatically move in or out of the rectangular groove as the inner support plate assembly is opened and retracted. There is no need for staff to install and disassemble the pad separately, thereby improving the efficiency of staff in installing and disassembling the device.

[0015] 3. In the process of installing the inner support plate assembly on the inner side of the aluminum mold assembly, when the end of the screw rod passes through the pad and the first spring, the end of the screw rod will first be squeezed onto the inverted slope of the ends of the two groups of pressure blocks in the pad, causing the two groups of pressure blocks to move backwards, and the two groups of pressure blocks push the two groups of clamping blocks to insert into the limiting grooves on both sides of the rectangular groove. At the same time, the clamping blocks stretch the two groups of second springs. The cooperation between the limiting grooves and the clamping blocks limits the pads in the rectangular groove. The reverse thrust of the aluminum mold assembly will act on the telescopic plate through the pad, which not only avoids deformation of the L-shaped rod, but also ensures the stability of the pad. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a side view of the combination of the overall structure of the present invention and a local aluminum mold component.

[0018] Figure 2 It is a schematic diagram of the combination of the inner support plate assembly and the fastener of the present invention.

[0019] Figure 3 It is a schematic diagram of the cutaway assembly of the plate sleeve, telescopic plate, fixed block and double-threaded lead screw of the present invention.

[0020] Figure 4 It is a schematic diagram of another state of the overall structure of the present invention.

[0021] Figure 5 The figure is a schematic diagram of the cutaway assembly of the plate sleeve, the telescopic plate and the fasteners of the present invention.

[0022] Figure 6 It is a cross-sectional schematic diagram of the combination of the telescopic plate and the push block of the present invention.

[0023] Figure 7 The figure is a schematic diagram of the cut-away assembly of the telescopic plate, the cushion block, the connecting rod, the L-shaped rod and the movable groove of the present invention.

[0024] Figure 8 It is a schematic diagram of the combination of the telescopic plate, rectangular groove, cushion block and screw rod of the present invention.

[0025] Fig. 9 It is a schematic cross-sectional view of the combination of the cushion block and the screw rod of the present invention.

[0026] In the figure: 1. first push rod; 2. second push rod; 3. ear seat; 4. inner support plate assembly; 5. aluminum mold assembly; 501. template; 502. fastener; 21. screw; 22. nut; 401. plate sleeve; 12. docking hole; 13. gasket; 4011. push block; 402. telescopic plate; 403. fixed block; 404. L-shaped block; 405. double-threaded lead screw; 406. fixed seat; 4021. rectangular groove; 211. limit groove; 4022. cushion block; 4024. first spring; 4025. connecting rod; 251. linear bearing; 252. guide column; 4026. L-shaped rod; 4027. roller; 4028. movable groove; 221. block; 222. second spring; 223. pressure block; 224. inverted slope; 225. slot. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] Embodiment 1

[0029] like Figures 1 to 4 As shown, an aluminum formwork support device suitable for box culvert construction described in an embodiment of the present invention includes a first push rod 1 and a second push rod 2, one end of the first push rod 1 and the second push rod 2 are both hinged to an ear seat 3, the other ends of the first push rod 1 and the second push rod 2 are both hinged to an inner support plate assembly 4 for supporting an aluminum formwork assembly 5, the inner support plate assembly 4 includes a plate sleeve 401, the other end of the first push rod 1 is hinged to the plate sleeve 401, a telescopic plate 402 that is movably plugged into the plate sleeve 401, the other end of the second push rod 2 is hinged to the telescopic plate 402, two sets of fixed blocks 403 are symmetrically plugged into both sides of the lower end of the plate sleeve 401, and the fixed An L-shaped block 404 is fixedly connected to a fixed block 403, two groups of L-shaped blocks 404 are both screwed to a double-threaded lead screw 405, which is rotatably connected to a fixed seat 406 in the middle of the double-threaded lead screw 405, and the fixed seat 406 is fixedly installed on the plate sleeve 401, and two groups of docking holes 12 are provided on the plate sleeve 401 and the telescopic plate 402, and gaskets 13 are placed on one side of the two groups of docking holes 12 on the telescopic plate 402, and the gaskets 13 are used to raise the telescopic plate 402, and the aluminum mold assembly 5 includes a template 501 and a fastener 502, and the fastener 502 includes a screw 21 and a nut 22, and the docking hole 12 is used to dock the end of the screw 21.

[0030] Specifically, the first push rod 1 and the second push rod 2 have the same structural principle. The length of the first push rod 1 is greater than that of the second push rod 2. The first push rod 1 and the second push rod 2 adopt the push rod in the reinforced aluminum mold support structure of the pipe gallery disclosed in the above-mentioned publication number CN117328495A. In the initial state, the two sets of fixing blocks 403 clamp the upper end of the telescopic plate 402 to keep the length of the inner support plate assembly 4 at the longest state. When the inner side of the aluminum mold assembly 5 is reinforced and supported, the two sets of gaskets 13 are firstly mounted on the ends of the screws 21 that are docked with the two sets of docking holes 12 on the telescopic plate 402. Then, the four groups of docking holes 12 on the inner support plate assembly 4 are docked with the ends of the four groups of screws 21, so that the inner support plate assembly 4 is installed on the inner side of the aluminum mold assembly 5, and then the ear seat 3 is fixedly installed on the ground. By adjusting the length of the first push rod 1 and the second push rod 2, the inner support plate assembly 4 supports the aluminum mold assembly 5 to achieve reinforced support for the aluminum mold assembly 5. When the device needs to be folded, the fixation of the ear seat 3 is released, and then the four groups of docking holes 12 on the inner support plate assembly 4 are disengaged from the ends of the four groups of screws 21, and the first push rod 1 and the second push rod 2 are adjusted respectively. , so that the length of the first push rod 1 and the second push rod 2 is in the shortest state. In the process of adjusting the first push rod 1 and the second push rod 2, the volume of the triangular structure composed of the first push rod 1, the second push rod 2, the ear seat 3, and the inner support plate assembly 4 is gradually reduced. Then, the double-threaded screw 405 is rotated to make the two groups of L-shaped blocks 404 drive the two groups of fixed blocks 403 to move backwards, and the two groups of fixed blocks 403 fix the upper end of the telescopic plate 402. At this time, the telescopic plate 402 is pushed to move toward the inside of the plate sleeve 401. At the same time, the length of the inner support plate assembly 4 is gradually reduced. During this process, the volume of the triangular structure will be further reduced until the length of the inner support plate assembly 4 is reduced to the shortest, and the telescopic plate 402 is clamped by two sets of fixing blocks 403 again to realize the folding of the device. Compared with the prior art, since the length of the inner support plate assembly 4 can be adjusted, in the process of shortening the length of the inner support plate assembly 4, the volume of the triangular structure composed of the first push rod 1, the second push rod 2, the ear seat 3, and the inner support plate assembly 4 will be greatly reduced. Therefore, when the device is not in use, it is convenient for the staff to carry and install the device, thereby improving the work efficiency of the staff.

[0031] Embodiment 2

[0032] like Figures 5 to 7As shown, compared with Example 1, another embodiment of the present invention is as follows: two groups of rectangular grooves 4021 are opened on one side of the telescopic plate 402, and the two groups of rectangular grooves 4021 are directly opposite to the two groups of docking holes 12 on the telescopic plate 402, and the pads 4022 are movably inserted into the rectangular grooves 4021. One side of the two groups of pads 4022 is provided with a first spring 4024 for connecting the two groups of pads 4022. The connecting rod 4025 and L-shaped rod 4026 are fixedly connected to a group of pads 4022 at the lower end of the L-shaped rod 4026, and the roller 4027 rotatably installed at the upper end of the L-shaped rod 4026, and the two groups of first springs 4024 are respectively located on the telescopic plate 40 2, one end of the first spring 4024 is fixedly connected to the cushion block 4022, and the other end of the first spring 4024 is fixedly connected to the inner wall of the docking hole 12, a pushing block 4011 for pushing the roller 4027 is fixedly installed in the plate sleeve 401, and the roller 4027 is close to the pushing block 4011, and a movable groove 4028 is provided in the telescopic plate 402, and the L-shaped rod 4026 and the connecting rod 4025 are both slidably connected to the movable groove 4028, and two groups of linear bearings 251 are embedded and installed on the connecting rod 4025, and the linear bearing 251 is movably plugged into the guide column 252, and the guide column 252 is fixedly installed in the movable groove 4028.

[0033] Specifically, when installing and disassembling the device, the gasket 13 needs to be installed and disassembled separately, which affects the efficiency of the staff in installing and disassembling the device. Secondly, the gasket 13 is small in size and is easily lost during transportation, thereby affecting the use of the device and reducing the practicality of the device. In the initial state, the gasket 4022 protrudes from the rectangular groove 4021, and the part of the gasket 4022 protruding from the rectangular groove 4021 replaces the gasket 13. The first spring 4024 is in a stretched state. During the installation of the inner support plate assembly 4, the end of the screw rod 21 passes through the gasket 4022 and the first spring 4024. When the length of the inner support plate assembly 4 is shortened, the telescopic plate 402 is pushed toward the inside of the plate sleeve 401, and the cushion block 4022, the connecting rod 4025, the L-shaped rod 4026, and the roller 4027 will move together with the telescopic plate 402, and the roller 4027 will stagger the push block 4011. Under the rebound force of the first spring 4024, the cushion block 4022, the connecting rod 4025, the L-shaped rod 4026, and the roller 4027 move, and at the same time, the linear bearing 251 on the connecting rod 4025 slides along the guide column 252 to move in the direction of the lower attachment Figure 6In the opposite direction of the middle arrow, the roller 4027 is moved in the opposite direction to the inner wall of the plate sleeve 401 until the roller 4027 is pressed against the inner wall of the plate sleeve 401. At this time, the pad 4022 is completely retracted into the rectangular groove 4021, thereby not affecting the movement of the telescopic plate 402 toward the inside of the plate sleeve 401, so that the length of the inner support plate assembly 4 can be smoothly adjusted to the shortest state. On the contrary, when the inner support plate assembly 4 is lengthened, the roller 4027 will be squeezed by the push block 4011, causing the pad 4022 to move out of the rectangular groove 4021. Therefore, the pad 4022 will automatically move into or out of the rectangular groove 4021 as the inner support plate assembly 4 is opened and retracted. There is no need for the staff to install and disassemble the pad 4022 separately, thereby improving the efficiency of the staff in installing and disassembling the device.

[0034] like Figure 8 and Fig. 9 As shown, the cushion block 4022 is symmetrically inserted with the clamping blocks 221 on both sides, and the second springs 222 are arranged at both ends of the clamping block 221. The middle part of the clamping block 221 is fixedly connected to the pressure block 223, and the end of the pressure block 223 is provided with an inverted slope 224. Slots 225 are symmetrically opened on both sides of the cushion block 4022, and the clamping block 221 is movably inserted into the slot 225. One end of the second spring 222 is fixedly connected to the end of the clamping block 221, and the other end of the second spring 222 is fixedly connected to the inner wall of the slot 225. Limiting grooves 211 are opened on both sides of the rectangular groove 4021, and the clamping block 221 is clamped in the limiting grooves 211.

[0035] Specifically, when the inner support plate assembly 4 supports the aluminum mold assembly 5, the cushion block 4022 will be directly subjected to the reverse thrust of the aluminum mold assembly 5. Since the cushion block 4022 is far from the force point of the roller 4027, the excessive reverse thrust of the aluminum mold assembly 5 will easily cause the L-shaped rod 4026 to deform, thereby causing the cushion block 4022 to retract into the rectangular groove 4021, so that the cushion block 4022 loses the function of raising the telescopic plate 402. Therefore, in the process of installing the inner support plate assembly 4 on the inner side of the aluminum mold assembly 5, when the end of the screw rod 21 passes through the cushion block 4022 and the first spring 4024, the end of the screw rod 21 will first be squeezed to the inverted inclined surface 224 of the end of the two groups of pressure blocks 223 in the cushion block 4022 , so that the two groups of pressure blocks 223 move back to back, and the two groups of pressure blocks 223 push the two groups of clamping blocks 221 to be inserted into the limiting grooves 211 on both sides of the rectangular groove 4021, and at the same time, the clamping blocks 221 stretch the two groups of second springs 222, and the cooperation between the limiting grooves 211 and the clamping blocks 221 makes the cushion block 4022 be limited in the rectangular groove 4021, and the reverse thrust of the aluminum mold assembly 5 will act on the telescopic plate 402 through the cushion block 4022, which not only avoids the deformation of the L-shaped rod 4026, but also ensures the stability of the cushion block 4022. On the contrary, when the screw rod 21 is pulled out of the cushion block 4022, the clamping connection between the clamping block 221 and the limiting groove 211 is released under the action of the rebound force of the first spring 4024.

[0036] Working principle: two sets of gaskets 13 are mounted on the ends of the screws 21 that are docked with the two sets of docking holes 12 on the telescopic plate 402, and then the four sets of docking holes 12 on the inner support plate assembly 4 are docked with the ends of the four sets of screws 21, so that the inner support plate assembly 4 is installed on the inner side of the aluminum mold assembly 5, and then the ear seat 3 is fixedly installed on the ground. By adjusting the length of the first push rod 1 and the second push rod 2, the inner support plate assembly 4 supports the aluminum mold assembly 5, thereby achieving reinforced support for the aluminum mold assembly 5. When the device needs to be folded up, the fixation of the ear seat 3 is released, and then the four sets of docking holes 12 on the inner support plate assembly 4 are disengaged from the ends of the four sets of screws 21, and the first push rod 1 and the second push rod 2 are adjusted respectively so that the first push rod 1 and the second push rod 2 are When the length of the rod 2 is in the shortest state, during the process of adjusting the first push rod 1 and the second push rod 2, the volume of the triangular structure formed by the first push rod 1, the second push rod 2, the ear seat 3, and the inner support plate assembly 4 is gradually reduced. Then, the double-threaded lead screw 405 is rotated to make the two groups of L-shaped blocks 404 drive the two groups of fixed blocks 403 to move in reverse, and the two groups of fixed blocks 403 are released from fixing the upper end of the telescopic plate 402. At this time, the telescopic plate 402 is pushed to move toward the inside of the plate sleeve 401. At the same time, the length of the inner support plate assembly 4 is gradually reduced. During this process, the volume of the triangular structure will be further reduced until the length of the inner support plate assembly 4 is reduced to the shortest, and the telescopic plate 402 is clamped by the two groups of fixed blocks 403 again to achieve the folding of the device.

[0037] During the installation of the inner support plate assembly 4, the end of the screw rod 21 passes through the cushion block 4022 and the first spring 4024. When the length of the inner support plate assembly 4 is shortened, the telescopic plate 402 is pushed toward the inside of the plate sleeve 401. The cushion block 4022, the connecting rod 4025, the L-shaped rod 4026, and the roller 4027 will move together with the telescopic plate 402, and the roller 4027 will stagger the push block 4011. Under the rebound force of the first spring 4024, the cushion block 4022, the connecting rod 4025, the L-shaped rod 4026, and the roller 4027 will move. At the same time, the linear bearing 251 on the connecting rod 4025 slides along the guide column 252 in the direction of the lower attachment. Figure 6 The inner support plate assembly 402 is moved in the opposite direction of the arrow until the roller 4027 is pressed against the inner wall of the plate sleeve 401. At this time, the cushion block 4022 is completely received in the rectangular groove 4021, so as not to affect the movement of the telescopic plate 402 toward the inside of the plate sleeve 401, so that the length of the inner support plate assembly 4 can be smoothly adjusted to the shortest state. On the contrary, when the inner support plate assembly 4 is extended, the roller 4027 will be squeezed by the push block 4011, so that the cushion block 4022 moves out of the rectangular groove 4021.

[0038] When the end of the screw rod 21 passes through the cushion block 4022 and the first spring 4024, the end of the screw rod 21 will first be squeezed to the inverted inclined surface 224 at the end of the two groups of pressure blocks 223 in the cushion block 4022, so that the two groups of pressure blocks 223 move back to back, and the two groups of pressure blocks 223 push the two groups of clamping blocks 221 to insert into the limiting grooves 211 on both sides of the rectangular groove 4021. At the same time, the clamping block 221 stretches the two groups of second springs 222. The cooperation between the limiting grooves 211 and the clamping block 221 makes the cushion block 4022 limited in the rectangular groove 4021. The reverse thrust of the aluminum mold assembly 5 will act on the telescopic plate 402 through the cushion block 4022. Conversely, when the screw rod 21 is pulled out of the cushion block 4022, the clamping connection between the clamping block 221 and the limiting groove 211 is released under the action of the rebound force of the first spring 4024.

[0039] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An aluminum formwork support device suitable for box culvert construction, comprising a first push rod (1) and a second push rod (2), characterized in that: One end of the first push rod (1) and the second push rod (2) are both hinged to an ear seat (3), and the other ends of the first push rod (1) and the second push rod (2) are both hinged to an inner support plate assembly (4) for supporting an aluminum mold assembly (5), and the inner support plate assembly (4) comprises: A plate sleeve (401), the other end of the first push rod (1) being hinged to the plate sleeve (401); A telescopic plate (402) is movably inserted into the plate sleeve (401), and the other end of the second push rod (2) is hingedly connected to the telescopic plate (402); Two groups of fixing blocks (403), the two groups of fixing blocks (403) are symmetrically plugged into two sides of the lower end of the plate sleeve (401); An L-shaped block (404) fixedly connected to the fixing block (403); A double-threaded lead screw (405), both sets of the L-shaped blocks (404) are screwed to the double-threaded lead screw (405); A fixed seat (406) is rotatably connected to the middle part of the double-threaded lead screw (405), the fixed seat (406) is fixedly mounted on the plate sleeve (401), the plate sleeve (401) and the telescopic plate (402) are both provided with two groups of docking holes (12), and gaskets (13) are placed on one side of the two groups of docking holes (12) on the telescopic plate (402), and the gaskets (13) are used to raise the telescopic plate (402); The aluminum mold assembly (5) comprises a template (501) and a fastener (502), the fastener (502) comprises a screw rod (21) and a nut (22), and the docking hole (12) is used for docking the end of the screw rod (21).

2. The aluminum formwork support device suitable for box culvert construction according to claim 1, characterized in that: Two groups of rectangular grooves (4021) are formed on one side of the telescopic plate (402), and the two groups of rectangular grooves (4021) are directly opposite to the two groups of docking holes (12) on the telescopic plate (402); A cushion block (4022) movably plugged into the rectangular groove (4021); A first spring (4024) is disposed on one side of the two groups of cushion blocks (4022); A connecting rod (4025) for connecting two sets of cushion blocks (4022); An L-shaped rod (4026), the lower end of which is fixedly connected to a group of cushion blocks (4022); The roller (4027) mounted at the upper end of the L-shaped rod (4026) is rotated.

3. The aluminum formwork support device suitable for box culvert construction according to claim 2 is characterized in that: The two groups of the first springs (4024) are respectively located in the two groups of docking holes (12) on the telescopic plate (402); one end of the first spring (4024) is fixedly connected to the cushion block (4022); and the other end of the first spring (4024) is fixedly connected to the inner wall of the docking hole (12).

4. The aluminum formwork support device suitable for box culvert construction according to claim 3 is characterized in that: A pushing block (4011) for pushing the roller (4027) is fixedly installed in the plate sleeve (401), and the roller (4027) is in close contact with the pushing block (4011).

5. The aluminum formwork support device suitable for box culvert construction according to claim 4 is characterized in that: A movable groove (4028) is provided in the telescopic plate (402), and the L-shaped rod (4026) and the connecting rod (4025) are both slidably connected to the movable groove (4028).

6. The aluminum formwork support device suitable for box culvert construction according to claim 5, characterized in that: Two sets of linear bearings (251) are embedded and installed on the connecting rod (4025), the linear bearings (251) are movably plugged into guide pillars (252), and the guide pillars (252) are fixedly installed in the movable grooves (4028).

7. The aluminum formwork support device suitable for box culvert construction according to claim 6, characterized in that: The cushion block (4022) is symmetrically plugged with clamping blocks (221) on both sides; Second springs (222) are provided at both ends of the clamping block (221); The middle portion of the clamping block (221) is fixedly connected to the pressure bearing block (223), and the end portion of the pressure bearing block (223) is provided with an inverted slope (224).

8. The aluminum formwork support device suitable for box culvert construction according to claim 7, characterized in that: Slots (225) are symmetrically provided on both sides of the cushion block (4022), and the clamping block (221) is movably plugged into the slots (225).

9. The aluminum formwork support device suitable for box culvert construction according to claim 8, characterized in that: One end of the second spring (222) is fixedly connected to the end of the clamping block (221), and the other end of the second spring (222) is fixedly connected to the inner wall of the slot (225).

10. The aluminum formwork support device suitable for box culvert construction according to claim 9, characterized in that: Limiting grooves (211) are provided on both sides of the rectangular groove (4021), and the clamping block (221) is clamped in the limiting grooves (211).

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