Road pit surrounding structure for road construction

Abstract

The application relates to the technical field of road construction, in particular to a road foundation pit fence structure for road construction, which comprises two supporting rods, a plurality of groups of fence rods for fencing are arranged between the supporting rods, an intermediate rod is arranged between the supporting rods, a plurality of groups of the fence rods are arranged on the two sides of the intermediate rod respectively, the plurality of groups of the fence rods between the intermediate rod and the supporting rods are arranged in a vertical direction, each group of the fence rods comprises a connecting rod one and a connecting rod two, the connecting rod one and the connecting rod two are rotationally connected, one end, away from the connecting rod two, of the connecting rod one is rotationally connected with the intermediate rod, and one end, away from the connecting rod one, of the connecting rod two is rotationally connected with the supporting rod. The application has the effect of improving construction efficiency.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of road construction, in particular to a road foundation pit fence structure for road construction. BACKGROUND

[0002] The road foundation pit refers to a soil pit for construction dug at the position of the foundation design on the road in municipal road construction. In the process of construction, in order to ensure the safety of construction, a temporary fence structure is often used to fence the foundation pit. The fence structure not only can defend the periphery of construction and prevent pedestrians from entering the construction area, but also can guarantee the safety of construction personnel.

[0003] In the related technology, the fence structure for the road comprises two vertical support rods, a horizontal support rod is arranged between the two vertical support rods, the two ends of the horizontal support rod are connected with the two vertical support rods, a protective rod is arranged on the horizontal support rod, the protective rod is arranged in the vertical direction, a base is arranged at the end of the vertical support rod close to the ground, and the vertical support rod is placed on the ground through the base. The horizontal support rod and the vertical support rod are fixedly connected through bolts, and the protective rod and the horizontal support rod are fixedly connected through bolts. The vertical support rod is placed at the edge of the road foundation pit to fence the foundation pit.

[0004] In the related technology, the components are fixedly connected through bolts, which is not convenient for disassembly and installation, and affects the construction efficiency. SUMMARY

[0005] In order to improve the construction efficiency, the application provides a road foundation pit fence structure for road construction.

[0006] The road foundation pit fence structure for road construction provided by the application adopts the following technical scheme:

[0007] The road foundation pit fence structure for road construction comprises two support rods, a plurality of groups of fence rods for fencing are arranged between the support rods, an intermediate rod is arranged between the support rods, a plurality of groups of the fence rods are arranged on the two sides of the intermediate rod, the plurality of groups of the fence rods between the intermediate rod and the support rod are arranged in the vertical direction, each group of the fence rods comprises a connecting rod one and a connecting rod two, the connecting rod one and the connecting rod two are rotationally connected, one end of the connecting rod one away from the connecting rod two is rotationally connected with the intermediate rod, and one end of the connecting rod two away from the connecting rod one is rotationally connected with the support rod.

[0008] By adopting the above technical scheme, the connecting rod one and the connecting rod two are rotationally connected, the connecting rod one and the intermediate rod are rotationally connected, and the connecting rod two and the support rod are rotationally connected, so as to move the support rod to abut against the side surface of the intermediate rod, fold the whole, reduce the occupied space, facilitate carrying, and improve the construction efficiency.

[0009] Optionally, the end of the intermediate rod is rotationally provided with a fixing sleeve, a baffle is arranged on the fixing sleeve close to the intermediate rod, a fixing plate is arranged on the end of the supporting rod close to the fixing sleeve, and the fixing plate and the baffle are abutted close to the side of the supporting rod for fixing the supporting rod.

[0010] By adopting the above technical scheme, when the supporting rod is folded, the supporting rod is moved to abut against the side of the intermediate rod, then the fixing sleeve is rotated, the fixing sleeve drives the baffle to move to the side away from the intermediate rod of the fixing plate, and the baffle and the fixing plate are abutted to fix the position of the fixing plate, thereby fixing the supporting rod.

[0011] Optionally, the baffle and the fixing plate are both arc-shaped, the center of the fixing plate and the rotation center of the fixing sleeve are arranged on the same straight line, the radii of the baffle and the fixing plate are the same, the outer side of the fixing plate and the inner side of the baffle are abutted, the outer side of the fixing plate is provided with a threaded strip, and the inner side of the baffle is provided with a threaded groove matched with the threaded strip.

[0012] By adopting the above technical scheme, when the fixing sleeve is rotated, the baffle and the fixing plate are threadedly connected, and the fixing sleeve and the intermediate rod are threadedly connected, thereby improving the stability of the cooperation between the baffle and the fixing plate and reducing the loosening of the supporting rod.

[0013] Optionally, the side of the baffle is provided with a guide plate, the guide plate is arc-shaped, the inner side of the guide plate is arranged towards the center of the fixing sleeve, and the side of the guide plate is connected with the baffle, and the corresponding side is arranged in the direction away from the center of the fixing sleeve.

[0014] By adopting the above technical scheme, when the fixing sleeve is rotated, the guide plate is rotated, the side of the guide plate is abutted against the side of the fixing plate, the fixing sleeve is continuously rotated, the different positions of the guide plate are abutted against the fixing plate, the supporting rod is driven to move in the direction towards the intermediate rod, and when the baffle and the fixing plate are cooperated, the supporting rod is abutted against the intermediate rod, thereby improving the stability of the cooperation between the supporting rod and the intermediate rod.

[0015] Optionally, the intermediate rod is provided with a mounting groove, the end of the connecting rod one extends into the mounting groove, the end of the connecting rod one close to the mounting groove is provided with a rotating sleeve, the end of the intermediate rod close to the fixing sleeve is provided with a through groove, the through groove and the mounting groove are communicated, and the through groove is provided with a limiting assembly for fixing the rotating sleeve.

[0016] By adopting the above technical scheme, when the fence is unfolded, the position of the rotating sleeve is fixed by the limiting assembly, thereby fixing the position of the connecting rod one, reducing the rotation of the connecting rod one relative to the intermediate rod, and improving the stability of the whole fence.

[0017] Optionally, a plurality of clamping grooves are formed in the side of the rotating sleeve around the center thereof, the limiting assembly comprises a clamping plate and a push rod, the push rod and the clamping plate are slidingly arranged in the through groove in a direction towards the rotating sleeve, the push rod is connected with the clamping plate, and an end of the push rod away from the clamping plate extends to the outside of the intermediate rod, the clamping plate and the clamping groove are buckled for fixing the rotating sleeve.

[0018] By adopting the above technical scheme, when the rotating sleeve needs to be fixed, the push rod is moved, the push rod drives the clamping plate to move to be buckled with the clamping groove, the phenomenon that the rotating sleeve rotates in the mounting groove is reduced, and then the position of the rotating sleeve is fixed.

[0019] Optionally, an intermediate ring is arranged on one side of the fixing sleeve close to the intermediate rod, the center of the intermediate ring is concentrically arranged with the center of the fixing sleeve, the end of the push rod extends to the inside of the intermediate ring, a push groove is formed in the side of the push rod close to the intermediate ring, the side of the intermediate ring away from the fixing sleeve is bent in a direction towards the push rod, the bent part of the intermediate ring is clamped in the push groove, and the bent part is rotationally arranged in the push groove.

[0020] By adopting the above technical scheme, the fixing sleeve and the intermediate rod are threadedly connected, when the fixing sleeve rotates, the end of the fixing sleeve moves relative to the intermediate rod, the fixing sleeve drives the push rod to move through the intermediate ring, and then the position of the clamping plate is adjusted.

[0021] Optionally, the push rod is arranged along the length direction of the intermediate rod, a plurality of clamping plates and a plurality of connecting rods are arranged one by one, and the plurality of clamping plates are connected with the push rod at the same time.

[0022] By adopting the above technical scheme, the plurality of clamping plates are connected with the push rod at the same time, when the push rod moves, the plurality of clamping plates are simultaneously driven to move, then the positions of the plurality of rotating sleeves are fixed at the same time, and then the installation efficiency is improved.

[0023] Optionally, a gap slot for placing the connecting rod I is formed in the side of the intermediate rod close to the supporting rod.

[0024] By adopting the above technical scheme, when the side of the supporting rod and the intermediate rod abuts, the connecting rod I rotates into the gap slot, the phenomenon that the intermediate rod interferes with the abutment of the supporting rod and the intermediate rod is reduced, and the stability of the cooperation of the supporting rod and the intermediate rod is improved.

[0025] Optionally, a supporting seat is arranged at one end of the supporting rod close to the ground, an insertion rod is arranged at one end of the supporting seat close to the supporting rod, an insertion groove is formed in one end of the supporting rod close to the supporting seat, and the insertion rod and the insertion groove are threadedly connected.

[0026] By adopting the above technical scheme, the supporting seat is arranged on the supporting rod, the insertion rod and the insertion groove are threadedly connected, and the supporting seat is placed on the ground to support the supporting rod.

[0027] To sum up, the present application includes at least one of the following beneficial technical effects:

[0028] 1、The rotation of the connecting rod one and the connecting rod two abuts the support rod and the intermediate rod, and then the connecting rod one is rotated into the let-in slot, and then the position of the support rod is fixed by the fixing sleeve, which reduces the overall occupied space for carrying, and the clamping plate and the clamping groove are buckled to fix the connecting rod one, so as to control the position of the rotating sleeve, simplify the installation operation, and improve the construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a structural schematic diagram of a road foundation pit fence structure for road construction according to an embodiment of the present application.

[0030] Figure 2 is a partial view of a road foundation pit fence structure for road construction according to an embodiment of the present application.

[0031] Figure 3 is a view of the support rod and the intermediate rod in the folded state in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0032] Figure 4 is a structural view of the fixing plate in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0033] Figure 5 is a sectional view of the intermediate rod in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0034] Figure 6 is a structural view of the rotating sleeve in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0035] Figure 7 is a structural view of the clamping groove in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0036] Figure 8 is a structural view of the limiting assembly in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0037] Figure 9 is a structural view of another placed state in the road foundation pit fence structure for road construction according to an embodiment of the present application.

[0038] The drawings are as follows: 1, support rod; 11, insertion slot; 2, blocking rod; 21, connecting rod one; 22, connecting rod two; 3, intermediate rod; 31, mounting groove; 32, through groove; 33, let go of the slot; 4, support seat; 41, insertion rod; 5, fixed sleeve; 51, intermediate ring; 6, baffle; 61, threaded groove; 62, guide plate; 7, fixed plate; 71, threaded strip; 8, rotating sleeve; 81, clamping groove; 9, limiting assembly; 91, clamping plate; 911, sleeve plate; 912, inner plate; 913, elastic piece; 92, push rod; 921, push groove. DETAILED DESCRIPTION

[0039] The following will be described in detail in combination with the accompanying drawings Figures 1-9 Further detailed description is made to the present application.

[0040] The present application discloses a road construction road foundation pit fence structure. Referring to Figure 1 and Figure 2 , the road construction road foundation pit fence structure comprises two support rods 1, a blocking rod 2 is arranged between the support rods 1, the blocking rod 2 is provided in multiple groups, and the multiple groups of blocking rods 2 are arranged between the support rods 1. During construction, the support rods 1 are placed outside the road foundation pit, and the foundation pit is fenced by the blocking rod 2.

[0041] Referring to Figure 1 and Figure 2 , an intermediate rod 3 is arranged between the two support rods 1, multiple groups of blocking rods 2 are arranged on both sides of the intermediate rod 3, and the multiple groups of blocking rods 2 between the intermediate rod 3 and the support rod 1 are arranged in a vertical direction. In this embodiment, three groups of blocking rods 2 are arranged between the intermediate rod 3 and the support rod 1, i.e. three groups are arranged on both sides of the intermediate rod 3. Each group of blocking rods 2 comprises a connecting rod one 21 and a connecting rod two 22, the connecting rod one 21 and the connecting rod two 22 are rotationally connected, one end of the connecting rod one 21 away from the connecting rod two 22 is rotationally connected with the intermediate rod 3, and one end of the connecting rod two 22 away from the connecting rod one 21 is connected with the support rod 1. During use, the distance between the intermediate rod 3 and the support rod 1 is adjusted, the connecting rod one 21 and the connecting rod two 22 are unfolded, and then the support rod 1 is placed on the ground. At the same time, when it needs to be carried, the support rod 1 and the intermediate rod 3 can be folded by rotating the connecting rod one 21 and the connecting rod two 22, thereby reducing the overall occupied space for carrying.

[0042] Referring to Figure 2 and Figure 3 , a support seat 4 is arranged at one end of the support rod 1 close to the ground, an insertion rod 41 is arranged at one end of the support seat 4 close to the support rod 1, an insertion slot 11 is formed on the support rod 1 close to the support seat 4, and the insertion rod 41 and the insertion slot 11 are threadedly connected. The support seat 4 is connected through the insertion rod 41 and the insertion slot 11, and then the support seat 4 is fixed on the support rod 1, thereby improving the stability of the support rod 1 placed on the ground.

[0043] Referring to Figure 3And Figure 4 In order to facilitate carrying, a fixed sleeve 5 is arranged at one end of the middle rod 3 close to the ground, a baffle 6 is arranged on the fixed sleeve 5 close to the middle rod 3, and a fixed plate 7 is arranged at one end of the support rod 1 close to the ground. The fixed plate 7 and the baffle 6 abut the side of the support rod 1. The baffle 6 abuts the fixed plate 7, and at this time, the side of the support rod 1 abuts the side of the middle rod 3, thereby fixing the support rod 1 and reducing the shaking of the support rod 1 during carrying.

[0044] Referring to Figure 3 And Figure 4 In order to improve the stability of the cooperation between the baffle 6 and the fixed plate 7, the fixed sleeve 5 is arranged on the middle rod 3, the baffle 6 and the fixed plate 7 are both arc-shaped, the center of the fixed plate 7 and the rotation center of the fixed sleeve 5 are arranged on the same straight line, and after the middle rod 3 and the support rod 1 abut, the center of the fixed plate 7 and the rotation center of the fixed sleeve 5 coincide, that is, the radius of the fixed plate 7 and the baffle 6 is the same, the outer side of the fixed plate 7 and the inner side of the baffle 6 abut, a threaded strip 71 is arranged on the outer side of the fixed plate 7, a threaded groove 61 corresponding to the threaded strip 71 is arranged on the inner side of the baffle 6, the threaded strip 71 and the threaded groove 61 are screw-connected, and the fixed sleeve 5 and the support rod 1 are screw-connected. Rotate the fixed sleeve 5, and the baffle 6 is rotated to the fixed plate 7. The baffle 6 and the fixed plate 7 are fixed through the cooperation of the threaded strip 71 and the threaded groove 61. At the same time that the threaded strip 71 and the threaded groove 61 cooperate, the fixed sleeve 5 moves relative to the support rod 1. After the baffle 6 and the fixed plate 7 completely abut, the end of the fixed sleeve 5 and the support rod 1 abut and are fixed, reducing the rotation of the baffle 6 relative to the fixed plate 7, and improving the stability of the cooperation between the support rod 1 and the middle rod 3. The baffle 6 and the fixed plate 7 are provided with two groups, two fixed plates 7 are arranged on two support rods 1 respectively, two baffles 6 are arranged corresponding to the two support rods 1 respectively, and the two baffles 6 are symmetrically arranged around the axis center of the fixed sleeve 5. That is, when the fixed sleeve 5 is rotated, the two baffles 6 cooperate with the two fixed plates 7 respectively, thereby fixing the two support rods 1 at the same time.

[0045] Referring to Figure 4In order to facilitate the cooperation of the baffle 6 and the fixed plate 7, a guide plate 62 is arranged on one side of the baffle 6, the guide plate 62 is in a circular arc shape, the inner side of the guide plate 62 is arranged towards the center direction of the fixed sleeve 5, one side of the guide plate 62 is connected with the baffle 6, and the other side is arranged in a direction away from the center of the fixed sleeve 5. When fixing the support rod 1, the fixed sleeve 5 is rotated, the fixed sleeve 5 drives the guide plate 62 to rotate, the guide plate 62 is rotated to abut against the edge of the fixed plate 7, the fixed sleeve 5 is continuously rotated, the fixed plate 7 is driven by the guide plate 62 to move towards the middle rod 3, at the same time, the support rod 1 moves towards the middle rod 3, until the support rod 1 moves to abut against the side surface of the middle rod 3, the gap between the support rod 1 and the middle rod 3 is reduced, and at the same time, the position of the support rod 1 is facilitated to be fixed.

[0046] With reference to Figure 5 and Figure 6 An installation groove 31 is arranged on the middle rod 3, the end of the connecting rod one 21 extends into the installation groove 31, a rotating sleeve 8 is arranged at the end of the connecting rod one 21, the rotating sleeve 8 is arranged in rotation in the installation groove 31, the end of the connecting rod one 21 is connected with the rotating sleeve 8, the rotating sleeve 8 is provided with two, and the two rotating sleeves 8 are respectively connected with the two connecting rod ones 21, the axes of the two rotating sleeves 8 are arranged on the same straight line, a plurality of clamping grooves 81 are arranged on the side surface of the rotating sleeve 8 around the center thereof, a through groove 32 is arranged on one end of the middle rod 3 close to the fixed sleeve 5, the through groove 32 is communicated with the installation groove 31, a limiting assembly 9 for fixing the position of the rotating sleeve 8 is arranged in the through groove 32, and the limiting assembly 9 is connected with the clamping groove 81. After the connecting rod one 21 and the connecting rod two 22 are unfolded, the position of the rotating sleeve 8 is fixed by the limiting assembly 9, and then the positions of the connecting rod one 21 and the connecting rod two 22 are fixed, so that the stability of the whole fence is improved.

[0047] With reference to Figure 6 and Figure 7 The limiting assembly 9 comprises a clamping plate 91 and a push rod 92, the push rod 92 and the clamping plate 91 are arranged in sliding in the through groove 32 in a direction towards the rotating sleeve 8, the clamping plate 91 is connected with the push rod 92, one end of the push rod 92 away from the clamping plate 91 extends to the outside of the middle rod 3, and the clamping plate 91 is buckled with the clamping groove 81. The position of the rotating sleeve 8 is fixed by moving the push rod 92 to drive the clamping plate 91 to move to be buckled with the clamping groove 81.

[0048] With reference to Figure 6 and Figure 7The intermediate ring 51 is arranged on the fixing sleeve 5 near one side of the intermediate rod 3, the center of the intermediate ring 51 is concentric with the center of the fixing sleeve 5, the end of the push rod 92 extends to the inside of the intermediate ring 51, a push groove 921 is arranged on the side of the push rod 92 near the intermediate ring 51, the side of the intermediate ring 51 away from the fixing sleeve 5 is bent in the direction of the push rod 92, the bent part of the intermediate ring 51 is clamped in the push groove 921, and the bent part is rotationally arranged in the push groove 921. After unfolding the connecting rod one 21, the fixing sleeve 5 is rotated, the fixing sleeve 5 moves relative to the intermediate rod 3, and at the same time, the push rod 92 is driven to move in the through groove 32 through the intermediate ring 51, so as to adjust the position of the clamping plate 91.

[0049] With reference to Figure 6 and Figure 7 , the push rod 92 is arranged along the length direction of the intermediate rod 3, the clamping plate 91 and the plurality of connecting rod ones 21 are correspondingly provided with a plurality of push rods 92, the push rod 92 is connected with the plurality of clamping plates 91 at the same time, and when the push rod 92 moves, the plurality of clamping plates 91 are driven to move at the same time, so as to fix the positions of the plurality of connecting rod ones 21 at the same time.

[0050] With reference to Figure 7 and Figure 8 , the clamping plate 91 comprises a sleeve plate 911 and an inner plate 912, the sleeve plate 911 is buckled with the clamping groove 81, the inner plate 912 is connected with the push rod 92, the inner plate 912 is slidably arranged in the sleeve plate 911 in the sliding direction of the push rod 92, and the sleeve plate 911 is provided with an elastic element 913, which can be a spring. One end of the spring is connected with the inside of the sleeve plate 911, and the other end is connected with the side surface of the inner plate 912. When the rotating sleeve 8 is fixed, the push rod 92 moves to abut against the side surface of the rotating sleeve 8, at this time, the elastic element 913 is compressed, the connecting rod one 21 is continuously rotated, and when the rotating sleeve 8 is rotated to the position corresponding to the sleeve plate 911 and the clamping groove 81, the elastic element 913 drives the sleeve plate 911 to buckle with the clamping groove 81, so as to fix the rotating sleeve 8. In combination Figure 9 , the angle between the connecting rod one 21 and the connecting rod two 22 can also be changed, and the two support rods 1 are placed on different horizontal planes, such as steps or uneven places on the ground, so as to be suitable for the fence under more construction conditions

[0051] With reference to Figure 1 and Figure 5 , the let-out groove 33 is arranged on the side of the intermediate rod 3 near the support rod 1, when the support rod 1 and the intermediate rod 3 abut, the connecting rod one 21 is rotated into the let-out groove 33, so as to reduce the phenomenon that the connecting rod one 21 interferes with the abutment of the support rod 1 and the intermediate rod 3, and improve the stability of the cooperation of the support rod 1 and the intermediate rod 3.

[0052] The implementation principle of the present application is that rotating connecting rod one 21 and connecting rod two 22 unfold the supporting rod 1, then the supporting seat 4 is installed on the supporting rod 1, the supporting rod 1 is placed on the ground through the mounting seat, when it is needed to carry, rotating connecting rod one 21 into the let slot 33, then moving the supporting rod 1 to the middle rod 3, rotating the fixing sleeve 5, the baffle 6 and the fixed plate 7 are abutted, the supporting rod 1 is fixed, at the same time, the push rod 92 is moved, so that the sleeve plate 911 and the clamping groove 81 are buckled, the rotating sleeve 8 is fixed, that is, connecting rod one 21 is fixed, the occupied space of the supporting rod 1 and the middle rod 3 is reduced, so as to carry, improve the construction efficiency.

[0053] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A road foundation pit fence structure for road construction, comprising two support rods (1), characterized in that: A plurality of groups of blocking rods (2) are arranged between the support rods (1), and intermediate rods (3) are arranged between the support rods (1), a plurality of groups of the blocking rods (2) are arranged on both sides of the intermediate rods (3), the plurality of groups of the blocking rods (2) between the intermediate rods (3) and the support rods (1) are arranged in a vertical direction, each group of the blocking rods (2) comprises a connecting rod one (21) and a connecting rod two (22), the connecting rod one (21) and the connecting rod two (22) are rotatably connected, one end of the connecting rod one (21) away from the connecting rod two (22) is rotatably connected with the intermediate rod (3), and one end of the connecting rod two (22) away from the connecting rod one (21) is rotatably connected with the support rod (1); A fixed sleeve (5) is rotatably arranged at the end of the intermediate rod (3), a baffle (6) is arranged on one side of the fixed sleeve (5) close to the intermediate rod (3), and a fixed plate (7) is arranged at one end of the support rod (1) close to the fixed sleeve (5), and the fixed plate (7) and the baffle (6) are abutted on one side close to the support rod (1) for fixing the support rod (1); The baffle (6) and the fixed plate (7) are both arc-shaped, the center of the fixed plate (7) and the rotation center of the fixed sleeve (5) are arranged on the same straight line, the radii of the baffle (6) and the fixed plate (7) are the same, the outer side of the fixed plate (7) and the inner side of the baffle (6) are abutted, the fixed sleeve (5) and the intermediate rod (3) are threadedly connected, the outer side of the fixed plate (7) is provided with a threaded strip (71), and the inner side of the baffle (6) is provided with a threaded groove (61) matched with the threaded strip (71); An installation groove (31) is formed in the intermediate rod (3), the end of the connecting rod one (21) extends into the installation groove (31), a rotating sleeve (8) is arranged at one end of the connecting rod one (21) close to the installation groove (31), a through groove (32) is formed in one end of the intermediate rod (3) close to the fixed sleeve (5), the through groove (32) is communicated with the installation groove (31), and a limiting assembly (9) for fixing the rotating sleeve (8) is arranged in the through groove (32); A plurality of clamping grooves (81) are formed in the side of the rotating sleeve (8) around the center thereof, the limiting assembly (9) comprises a clamping plate (91) and a push rod (92), the push rod (92) and the clamping plate (91) are slidably arranged in the through groove (32) in a direction towards the rotating sleeve (8), the clamping plate (91) and the push rod (92) are connected, one end of the push rod (92) away from the clamping plate (91) extends to the outside of the intermediate rod (3), and the clamping plate (91) and the clamping groove (81) are buckled to fix the rotating sleeve (8). The fixed sleeve (5) is provided with an intermediate ring (51) on one side close to the intermediate rod (3), the center of the intermediate ring (51) and the center of the fixed sleeve (5) are concentrically arranged, the end of the push rod (92) extends to the inner side of the intermediate ring (51), the push rod (92) is provided with a push groove (921) on one side close to the intermediate ring (51), one side of the intermediate ring (51) away from the fixed sleeve (5) is bent in the direction of the push rod (92), the bent part of the intermediate ring (51) is clamped in the push groove (921), and the bent part is rotationally arranged in the push groove (921).

2. The road foundation trench enclosing structure for road construction according to Claim 1, characterized in that: One side of the baffle (6) is provided with a guide plate (62), the guide plate (62) is in a circular arc shape, the inner side of the guide plate (62) is arranged towards the center of the fixed sleeve (5), one side of the guide plate (62) is connected with the baffle (6), and the corresponding side is arranged in the direction away from the center of the fixed sleeve (5).

3. The road foundation trench enclosing structure for road construction according to Claim 1, characterized in that: The push rod (92) is arranged along the length direction of the intermediate rod (3), the clamping plate (91) and the plurality of groups of connecting rods (21) are correspondingly provided with a plurality of clamping plates (91), and the plurality of clamping plates (91) are connected with the push rod (92) at the same time.

4. The road foundation trench enclosing structure for road construction according to Claim 1, characterized in that: The intermediate rod (3) is provided with a gap slot (33) for placing the connecting rod (21) on one side close to the support rod (1).

5. The road foundation trench enclosing structure for road construction according to Claim 1, characterized in that: One end of the support rod (1) close to the ground is provided with a support seat (4), one end of the support seat (4) close to the support rod (1) is provided with a plug rod (41), and one end of the support rod (1) close to the support seat (4) is provided with a plug groove (11). The plug rod (41) and the plug groove (11) are threadedly connected.

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