Fence structure for viaduct pier construction

Abstract

The utility model relates to the technical field of bridge construction protection, and discloses a fence structure for viaduct pier construction, which comprises a bottom frame and an extension frame, the extension frame is positioned at the top of the bottom frame, a support component is mounted in the middle of the bottom frame, and connecting pieces are fixedly connected to two sides of the top of the bottom frame and two sides of the top of the extension frame. Sleeve shells are fixedly connected to the two sides of the inner bottom wall of the extending frame, inserting rods are slidably connected into the sleeve shells, sliding blocks are fixedly connected to one sides of the peripheries of the inserting rods, springs are arranged on the other sides of the peripheries of the inserting rods in a sleeving mode, clamping plates are slidably connected to the tops of the sleeve shells, and limiting plates are arranged at the tops of the clamping plates. According to the fence structure for viaduct pier construction, through cooperation of the connecting pieces, the sleeve shells, the inserting rods, the sliding blocks, the springs, the clamping plates and the limiting plates, the height of the fence structure for viaduct pier construction can be conveniently adjusted along with advancing of the pier construction process, and it is guaranteed that the fence structure can always meet the protection and isolation requirements of construction.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge construction protection, in particular to a fence structure for elevated bridge pier construction. Background Art

[0002] The pier is a substructure that supports the span structure and transmits the dead load and vehicle live load to the foundation. The abutments are located on both sides of the bridge. The function of the pier is to support the span structure and is the foundation of the bridge structure. Usually, when some urban viaducts are used, the bottom of the bridge is also a traffic road, and the piers are usually set up in a staggered position on the side of the road. During the construction of the pier, in order to ensure the safety of its construction, it is necessary to install a fence structure around the construction environment of the pier to prevent non-engineering personnel from entering and to prevent objects from falling out of the construction area during the construction of the pier, causing safety impacts.

[0003] After searching, patent announcement number CN218291753U discloses a bridge pier facility anti-collision guardrail, including an anti-collision frame, a mounting plate fixedly connected to the anti-collision frame, and a buffer cavity provided on the anti-collision frame, a buffer plate and a buffer spring are respectively provided in the buffer cavity, a buffer frame fixedly connected to the buffer plate, an anti-collision pad is provided on the outside of the buffer frame, a buffer convex block is provided on the outside of the anti-collision pad, a reflective strip is provided at the corresponding position of the outer surface of the anti-collision frame and the anti-collision pad, a groove is provided on the anti-collision pad, and a warning light strip is provided in the groove. In this utility model, through the cooperation of the anti-collision pad, the buffer frame and the buffer spring, a good buffering effect can be achieved when the structure is impacted, and the buffer convex block on the outside of the anti-collision pad can play a supporting and buffering role after the impact contact, reducing the impact force, and the anti-collision pad and the anti-collision frame are made of energy-absorbing rubber material, which can achieve a good anti-collision effect.

[0004] However, the above scheme still has the problem that the bridge pier cannot be fully protected and the device cannot be adjusted, so that the height of the bridge pier will gradually increase with the progress of construction, resulting in the fence being unable to meet the requirements of protecting and isolating the construction site. For this reason, a fence structure for elevated bridge pier construction is proposed. Utility Model Content

[0005] In order to remedy the above deficiencies, the utility model provides a fence structure for elevated bridge pier construction, aiming to improve the problem in the prior art that the height of the bridge piers gradually increases with the progress of construction, resulting in the fence being unable to meet the requirements of protecting and isolating the construction site.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A fence structure for elevated bridge pier construction, comprising a base frame and an extension frame, the extension frame is located at the top of the base frame, a support assembly is installed in the middle of the base frame, both sides of the base frame and the top of the extension frame are fixedly connected with connecting pieces, both sides of the inner bottom wall of the extension frame are fixedly connected with a sleeve, a plunger is slidably connected inside the sleeve, a slider is fixedly connected to one side of the outer periphery of the plunger, a spring is sleeved on the other side of the outer periphery of the plunger, a card plate is slidably connected to the top of the sleeve, a limit plate is arranged on the top of the card plate, the limit plate is fixedly connected to the inner wall of the extension frame, connecting assemblies are installed on both sides of the extension frame and the base frame, and a plurality of railings are fixedly connected inside the base frame and the extension frame;

[0008] Through the above technical solution, by placing the extension frame on the top of the base frame, or placing the added extension frame on another extension frame on the top layer of the fence, the insertion rod is then pulled to move and retract the insertion rod into the shell, and the slider moves accordingly and compresses the spring until the end of the insertion rod is pulled out of the bottom of the card plate. At this time, the card plate falls under the action of gravity and is inserted into the shell, blocking the end of the insertion rod to prevent it from resetting. Then, the connector is completely plugged into the bottom of the extension frame, and the card plate is pushed upward to disengage it from the shell. At this time, the insertion rod is plugged into the inside of the connector under the action of the spring, and then the fence structure is spliced, so that the fence can be gradually adjusted and raised as the pier construction progresses.

[0009] Further, the support assembly includes a screw rod, the screw rod is rotatably connected to the middle of the base frame, the outer periphery of the screw rod is threadedly connected to a movable block, both sides of the movable block are hinged with movable frames, the bottom end of the movable frame is hinged with a support plate, and an adjustment frame is installed between the support plate and the base frame;

[0010] Through the above technical solution, the screw rod is rotated to drive the movable block to move downward, and the movable frame is pushed downward by the movable block moving downward, and then the support plate is released downward by the movable frame moving downward. At the same time, under the connection and limit of the adjustment frame, it is ensured that the support plate will slowly contact the ground as the movable block moves downward until the support plate is completely released and contacts the ground, thereby supporting the fence and improving the stability and safety of the fence.

[0011] Further, the connection assembly includes a connection block and a connection frame, the connection block is fixedly connected to one side of the outer wall of the extension frame, the connection frame is fixedly connected to the other side of the outer wall of the extension frame, and a latch is installed in the middle of the connection frame;

[0012] Through the above technical solution, by connecting the two groups of fence units, the connecting blocks on one group of fence units are inserted into the connecting frame on the other group of fences, and then the pins are passed through the holes in the middle of the connecting frame and the connecting blocks, and then the connecting blocks are locked on the inside of the connecting frame, and finally the pins are fixed inside the connecting frame with the nut and the threaded structure at the bottom of the pin, and then the connection of the two fence units is completed, and they can be placed around the bridge piers.

[0013] Furthermore, the outer side of the connecting member passes through and is slidably connected to the bottom of the extension frame, one end of the insertion rod passes through the casing and is inserted into the interior of the connecting member, and the other end of the insertion rod passes through the extension frame;

[0014] Through the above technical solution, through the cooperation between the insertion rod and the connecting piece, the extension frame and the base frame can be effectively connected and fixed, or multiple stacked extension frames can be connected and fixed, so as to achieve the purpose of adjusting the height of the fence. At the same time, the insertion rod can also be detached from the inside of the connecting piece to disassemble the spliced ​​fence.

[0015] Furthermore, one end of the spring is fixedly connected to the middle of the slider, and the other end of the spring is fixedly connected to the inner wall of the extension frame;

[0016] Through the above technical solution, the worker can use the spring to pull the insertion rod and retract it into the shell. When the insertion rod and the connecting piece need to be released, the compressed spring can be used to push the slider and the insertion rod to move, thereby completing the plug-in connection between the insertion rod and the connecting piece and stacking the base frame and the extension frame.

[0017] Furthermore, the bottom of the card plate is located at the top of the slider, and the slider is slidably connected inside the housing;

[0018] Through the above technical solution, the card plate falls and blocks the end of the insertion rod, so that the workers do not need to keep pulling the insertion rod after pulling out the insertion rod, so that the workers can use both hands to operate the stacking installation of the fence and conveniently adjust the height of the fence to meet the needs of the bridge pier construction process.

[0019] Furthermore, a receiving groove is provided on one side of the support plate away from the base frame, the width of the receiving groove is greater than the width of the movable frame, and a hand wheel is fixedly connected to the outer periphery of the screw rod;

[0020] Through the above technical solution, when the fence needs to be disassembled and stored, it is only necessary to rotate the screw in the opposite direction to drive the movable block to move upward, and the movable frame is pulled upward by the movable block to drag the support plate upward until the movable frame is pulled toward a vertical state. At this time, the support plate is driven to fold on the side of the screw, and the movable frame is located inside the storage groove, ensuring that the support plate can be folded and stored on the side of the fence, thereby reducing the space occupied by the fence storage.

[0021] Furthermore, one end of the adjustment frame is fixedly connected to a side of the support plate close to the base frame, and the other end of the adjustment frame is hinged to the bottom of the base frame;

[0022] Through the above technical solution, a triangular structure is formed by the cooperation of the adjustment frame, the movable frame and the screw rod, ensuring that the support assembly can stably support the fence after being unfolded.

[0023] The utility model has the following beneficial effects:

[0024] 1. In the utility model, through the cooperation of the connecting parts, the sleeve, the plug rod, the slider, the spring, the clamp plate and the limit plate, the fence structure for the construction of the elevated bridge pier can conveniently adjust the height of the fence structure as the pier construction progresses, thereby ensuring that the fence structure can always meet the protection and isolation requirements of the construction.

[0025] 2. In the utility model, through the cooperation of the screw rod, the movable block, the movable frame, the support plate, the adjustment frame and the storage groove, the fence structure for the construction of the elevated bridge pier can effectively improve the stability of the contact between the fence and the ground when in use, and at the same time, it does not affect the volume of the fence after storage while improving the stability. The fence can be disassembled and folded to facilitate transportation and storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A three-dimensional diagram of a fence structure for elevated bridge pier construction proposed by the utility model;

[0027] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0028] Figure 3 A schematic diagram of a movable block structure of a fence structure for elevated bridge pier construction proposed by the utility model;

[0029] Figure 4 A schematic diagram of an extended frame structure of a fence structure for elevated bridge pier construction proposed by the utility model;

[0030] Figure 5 The utility model is a schematic diagram of the internal structure of a casing of a fence structure for elevated bridge pier construction.

[0031] Legend:

[0032] 1. Base frame; 2. Extension frame; 3. Connector; 4. Shell; 5. Rod; 6. Slider; 7. Spring; 8. Clamp; 9. Limit plate; 10. Railing; 11. Connecting block; 12. Connecting frame; 13. Latch; 14. Screw; 15. Movable block; 16. Movable frame; 17. Support plate; 18. Adjustment frame; 19. Storage slot; 20. Handwheel. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings of the utility model specification to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] Reference Figure 1 , Figure 3 and Figure 4 The utility model provides an embodiment: a fence structure for elevated bridge pier construction, including a base frame 1 and an extension frame 2, the extension frame 2 is located on the top of the base frame 1, and the fence structure is composed of the base frame 1 and the extension frame 2. As the pier construction progresses, the height of the fence structure is adjusted by continuously splicing the extension frame 2 on the fence structure to meet the isolation and protection of the construction area by the fence structure. A support assembly is installed in the middle of the base frame 1, and the bottom of the base frame 1 is in contact with the ground. By unfolding the support assembly, the contact stability between the base frame 1 and the ground can be effectively improved, so that the fence structure will not fall down easily, and the stability of the fence when it is hit is also increased, thereby improving the safety of the fence. Connectors 3 are fixedly connected to both sides of the top of the base frame 1 and the extension frame 2. Through the cooperation of the connector 3 on the top of the base frame 1 or the extension frame 2, the base frame 1 and the extension frame 2, or the extension frame 2 and the extension frame 2 can be connected.

[0035] Reference Figure 1 , Figure 2 and Figure 5 , both sides of the inner bottom wall of the extension frame 2 are fixedly connected with a sleeve 4, and a plug rod 5 is slidably connected inside the sleeve 4. A slider 6 is fixedly connected to one side of the outer circumference of the plug rod 5, and a spring 7 is sleeved on the other side of the outer circumference of the plug rod 5. By pulling the plug rod 5 to slide inside the sleeve 4, the plug rod 5 can drive the slider 6 to slide inside the sleeve 4 synchronously, so that when the plug rod 5 is separated from the inside of the connecting member 3, the slider 6 will also compress the spring 7. And after the plug rod 5 is released, the compressed spring 7 can be reset to push the plug rod 5 into the inside of the connecting member 3. A card plate 8 is slidably connected to the top of the sleeve 4, and a limit plate 9 is set on the top of the card plate 8. The limit plate 9 is fixedly connected to the inner wall of the extension frame 2. Through the cooperation between the card plate 8 and the plug rod 5, when the plug rod 5 is pulled away from the bottom of the card plate 8, the card plate 8 falls and is inserted into the sleeve 4, and then blocks the end of the plug rod 5. When the plug rod 5 is released, the spring 7 pushes the plug rod 5 and is blocked by the card plate 8, ensuring that the spring 7 cannot push the plug rod 5 to move. When installing and disassembling the fence structure, workers do not need to pull the insertion rod 5 all the time, thereby freeing their hands.

[0036] Reference Figure 3-4, both sides of the extension frame 2 and the base frame 1 are equipped with connection components, through which multiple independent fence structures can be connected together and placed around the construction area of ​​the bridge pier to fully isolate and protect the construction area of ​​the bridge pier. Multiple railings 10 are fixedly connected inside the base frame 1 and the extension frame 2. The railings 10 can enhance the impact strength of the base frame 1 and the extension frame 2, and can also block objects in the construction area to prevent objects from passing through the fence structure.

[0037] Reference Figure 2 , Figure 4 and Figure 5 , the outer side of the connecting member 3 penetrates and is slidably connected to the bottom of the extension frame 2, one end of the plug rod 5 penetrates the casing 4 and is inserted into the inside of the connecting member 3, and the other end of the plug rod 5 penetrates the extension frame 2. Through the cooperation of the plug rod 5 and the connecting member 3, the connecting member 3 and the extension frame 2 are connected and fixed, so that the base frame 1 and the extension frame 2, or the extension frame 2 and the extension frame 2 are installed and fixed, and the height of the fence is adjusted. One end of the spring 7 is fixedly connected to the middle of the slider 6, and the other end of the spring 7 is fixedly connected to the inner wall of the extension frame 2. The thrust applied by the spring 7 to the slider 6 ensures that the slider 6 and the plug rod 5 will not slide inside the casing 4, and the plug rod 5 is tightly restricted inside the connecting member 3 to prevent the connection 3 and the plug rod 5 from separating. The bottom of the card plate 8 is located at the top of the slider 6, and the slider 6 is slidably connected inside the casing 4. In the installed state, the card plate 8 is located between the top of the slider 6 and the limit plate 9, which can prevent the card plate 8 from falling off from the top of the casing 4, and will not interfere with the movement of the plug rod 5. The cooperation between the slider 6 and the sleeve 4 can prevent the insertion rod 5 from directly escaping from the interior of the sleeve 4 when being pulled.

[0038] Reference Figure 1 and Figure 3 The support assembly includes a screw rod 14, which is rotatably connected to the middle of the base frame 1. A movable block 15 is threadedly connected to the outer periphery of the screw rod 14. A movable frame 16 is hinged on both sides of the movable block 15. A support plate 17 is hinged at the bottom end of the movable frame 16. An adjustment frame 18 is installed between the support plate 17 and the base frame 1. The movable block 15 is driven to move downward by the rotation of the screw rod 14. The movable frame 16 is driven to unfold downward by the downward movement of the movable block 15, so that the support plate 17 is pushed downward by the movable frame 16. As the movable block 15 moves downward until the bottom of the support plate 17 contacts the ground, the fence is supported. It ensures that the fence is more stable after being subjected to force, and improves the stability while also improving the safety performance of the fence. A storage groove 19 is provided on the side of the support plate 17 away from the base frame 1, and the width of the storage groove 19 is greater than the width of the movable frame 16. When the screw 14 is reversed to pull the movable block 15, the movable frame 16 and the support plate 17 upward for storage and folding, the cooperation between the movable frame 16 and the storage groove 19 can maximize the distance between the support plate 17 and the screw 14 when being pulled upward and flipped.

[0039] Reference Figure 1 , Figure 3 and Figure 4 , a hand wheel 20 is fixedly connected to the outer periphery of the screw rod 14, and the screw rod 14 can be conveniently rotated by the hand wheel 20 to unfold or fold the support assembly. One end of the adjustment frame 18 is fixedly connected to the side of the support plate 17 close to the base frame 1, and the other end of the adjustment frame 18 is hinged at the bottom of the base frame 1. The stability of the support assembly can be improved by the triangular structure composed of the adjustment frame 18, the movable frame 16 and the screw rod 14. The connection assembly includes a connection block 11 and a connection frame 12, the connection block 11 is fixedly connected to one side of the outer wall of the extension frame 2, the connection frame 12 is fixedly connected to the other side of the outer wall of the extension frame 2, and a latch 13 is installed in the middle of the connection frame 12. By inserting the connection block 11 on another set of fence structures into the inside of the connection frame 12, and then cooperating with the latch 13 and the nut with a threaded structure at the bottom, the connection block 11 and the connection frame 12 are connected to complete the assembly between the two sets of fence structures, so that the surrounding area of ​​the construction area of ​​the bridge pier is fully protected and isolated through the cooperation of the connection assembly and multiple fence structures.

[0040] Working principle: As the construction progresses, when the height of the bridge pier increases, pull the handle part of the plug rod 5 that is exposed on the outside to drive the plug rod 5 to move, and retract the end of the plug rod 5 away from the handle into the casing 4. Continue to pull the plug rod 5 until it moves away from the bottom of the card plate 8. At this time, the card plate 8 falls under the action of gravity and is inserted into the casing 4. The fallen card plate 8 will block the end of the plug rod 5. At this time, the worker releases the plug rod 5, and the compressed spring 7 cannot push the slider 6 to drive the plug rod 5 to move. After that, the worker inserts the connector 3 at the top of the base frame 1 by aligning the notch at the bottom of the extension frame 2 with the notch at the bottom of the base frame 1, and docks the bottom of the extension frame 2 with the top of the base frame 1. At this time, the connector 3 passes through the notch at the bottom of the extension frame 2. Then the worker pushes the card plate 8 upward to move it to the bottom of the limit plate 9. At this time, the card plate 8 is separated from the end of the plug rod 5, and the compressed spring 7 is reset to push the slider 6 to move, which then drives the plug rod 5 to move out from the inside of the casing 4 and plug into the inside of the connector 3, connecting and installing the extension frame 2 and the base frame 1. Similarly, by pulling the plug rod 5 to separate it from the inside of the connector 3, the connector 3 and the extension frame 2 can be unlocked, and then the extension frame 2 can be removed from the base frame 1, which is convenient for the transportation and storage of the fence. Or by continuing to stack other extension frames 2 on the extension frame 2 on the top of the fence, the height of the fence can be further increased.

[0041] After the fence is installed around the construction area of ​​the bridge pier, the worker drives the screw 14 to rotate by turning the hand wheel 20, and then drives the movable block 15 downward by rotating the screw 14. The movable block 15 moves downward to drive the movable frame 16 to unfold downward, so that the support plate 17 is pushed downward by the movable frame 16, and as the movable block 15 moves downward until the bottom of the support plate 17 contacts the ground, the fence is supported. When the fence needs to be put away, it is only necessary to rotate the screw 14 in the opposite direction to drive the movable block 15 upward, and the support plate 17 can be pulled upward by the movable frame 16 until the movable frame 16 is pulled by the movable block 15 to a vertical state. At this time, the movable frame 16, the adjustment frame 18 and the support plate 17 are all pulled and stored on the side of the screw 14, and the movable frame 16 is located inside the storage groove 19, ensuring that the support plate 17 can be stored on the side of the screw 14 to the maximum extent, thereby reducing the volume of the fence.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fence structure for elevated bridge pier construction, comprising a base frame (1) and an extension frame (2), characterized in that: The extension frame (2) is located at the top of the base frame (1), a support assembly is installed in the middle of the base frame (1), connecting pieces (3) are fixedly connected on both sides of the top of the base frame (1) and the extension frame (2), a sleeve (4) is fixedly connected on both sides of the inner bottom wall of the extension frame (2), an insertion rod (5) is slidably connected inside the sleeve (4), a slider (6) is fixedly connected to one side of the outer periphery of the insertion rod (5), a spring (7) is sleeved on the other side of the outer periphery of the insertion rod (5), a clamping plate (8) is slidably connected to the top of the sleeve (4), a limit plate (9) is provided on the top of the clamping plate (8), and the limit plate (9) is fixedly connected to the inner wall of the extension frame (2), connecting assemblies are installed on both sides of the extension frame (2) and the base frame (1), and a plurality of railings (10) are fixedly connected inside the base frame (1) and the extension frame (2).

2. The fence structure for elevated bridge pier construction according to claim 1, characterized in that: The support assembly comprises a screw rod (14), the screw rod (14) being rotatably connected to the middle part of the base frame (1), a movable block (15) being threadedly connected to the outer periphery of the screw rod (14), movable frames (16) being hingedly connected to both sides of the movable block (15), a support plate (17) being hingedly connected to the bottom end of the movable frame (16), and an adjustment frame (18) being installed between the support plate (17) and the base frame (1).

3. The fence structure for elevated bridge pier construction according to claim 1, characterized in that: The connection assembly comprises a connection block (11) and a connection frame (12), wherein the connection block (11) is fixedly connected to one side of the outer wall of the extension frame (2), and the connection frame (12) is fixedly connected to the other side of the outer wall of the extension frame (2), and a latch (13) is installed in the middle of the connection frame (12).

4. The fence structure for elevated bridge pier construction according to claim 1, characterized in that: The outer side of the connecting member (3) passes through and is slidably connected to the bottom of the extension frame (2); one end of the insertion rod (5) passes through the casing (4) and is inserted into the interior of the connecting member (3); the other end of the insertion rod (5) passes through the extension frame (2).

5. The fence structure for elevated bridge pier construction according to claim 1, characterized in that: One end of the spring (7) is fixedly connected to the middle of the slider (6), and the other end of the spring (7) is fixedly connected to the inner wall of the extension frame (2).

6. The fence structure for elevated bridge pier construction according to claim 1, characterized in that: The bottom of the clamping plate (8) is located on the top of the sliding block (6), and the sliding block (6) is slidably connected inside the casing (4).

7. The fence structure for construction of an elevated bridge pier according to claim 2, characterized in that: A receiving groove (19) is provided on a side of the support plate (17) away from the base frame (1); the width of the receiving groove (19) is greater than the width of the movable frame (16); and a hand wheel (20) is fixedly connected to the outer periphery of the screw rod (14).

8. The fence structure for construction of an elevated bridge pier according to claim 2, characterized in that: One end of the adjustment frame (18) is fixedly connected to a side of the support plate (17) close to the base frame (1), and the other end of the adjustment frame (18) is hinged to the bottom of the base frame (1).

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