Fence for bridge pier construction

Abstract

The utility model provides a fence for pier construction, which belongs to the field of bridge construction, is used for solving the problem that a fence in the prior art cannot adapt to a special-shaped pier with an inclination angle, and comprises a first operating platform, a driving component and two groups of connecting components, each group of connecting components comprises a first anchor rod, a second anchor rod and a first fixing rod, the driving assembly comprises a first connecting rod, a second connecting rod, a driving piece and two third connecting rods; the setting length of the first anchor rod is larger than that of the second anchor rod, the second anchor rod can be fixed to the lower end of the special-shaped pier, the first anchor rod can be fixed to the special-shaped upper end, the first connecting rod, the second connecting rod, the third connecting rod and the driving piece are arranged, the driving piece drives the first connecting rod to move, and then the third connecting rod is driven to move; the third connecting rod, the second anchor rod and the first fixing rod form a triangular structure, the stability of the fence is improved, the third connecting rod can be used as a handrail, and potential safety hazards are avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to bridge construction field, especially a kind of fence for pier construction. BACKGROUND

[0002] In the process of bridge construction, as an important component to support the superstructure of bridge, the construction quality of pier is directly related to the overall safety and stability of bridge. During the construction process of pier, fence is usually needed to be built to ensure the safety of construction personnel and prevent the risk of falling objects. At present, to meet the different design requirements of bridge, the structure of pier is becoming more and more diversified, in addition to the common vertical pier, there are also V-shaped pier, inclined leg rigid frame pier, Y-shaped pier and other various special-shaped pier structures with different inclination angles. This structural diversity puts forward higher adaptability requirements for construction safety protection facilities.

[0003] The traditional pier construction fence mostly adopts fixed vertical installation structure, mainly composed of standardized steel pipes, protective nets and other components, which are fixed around the pier by welding or bolt connection. However, when this rigid structure is applied to inclined pier, uneven gaps will be generated between the fence and the pier body, which not only reduces the protection reliability, but also increases the risk of falling objects from high altitude. SUMMARY

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a fence for pier construction, to solve the problem that the existing fence cannot adapt to special-shaped piers with inclination angles.

[0005] To achieve the above-mentioned purposes and other related purposes, the utility model provides a fence for pier construction, comprising: a first operation platform, a driving assembly and two groups of connecting assemblies; the two groups of connecting assemblies are arranged on one side of the first operation platform at intervals, and the connecting assemblies are used to set the first operation platform on the pier; each group of connecting assemblies comprises a first anchor rod, a second anchor rod and a first fixed rod, one end of the first fixed rod is connected with the first anchor rod, and the other end is connected with the second anchor rod; the length of the first anchor rod is less than the length of the second anchor rod, and the first anchor rod is arranged above the second anchor rod, one end of the two second anchor rods is connected with the first operation platform; the driving assembly comprises a first connecting rod, a second connecting rod, a driving member and two third connecting rods; each third connecting rod is arranged corresponding to one group of connecting assemblies, one end of each third connecting rod is slidably connected with the second anchor rod of the corresponding connecting assembly, and the other end is slidably connected with the first fixed rod of the corresponding connecting assembly; one end of the first connecting rod is connected with one of the third connecting rods, and the other end is connected with the other third connecting rod; one end of the second connecting rod is connected with one end of one of the second anchor rods close to the first operation platform, and the other end is connected with one end of the other second anchor rod close to the first operation platform; the driving member is arranged on the second connecting rod, and the output end thereof is connected with the first connecting rod.

[0006] Optionally, the first operation platform comprises a first base and a second base; the first base is provided with a containing cavity with an opening, and the second base is slidingly arranged in the containing cavity and has one end extending out of the containing cavity to be connected with the output end of the first connecting rod or the driving member.

[0007] Optionally, the two ends of the third connecting rod are respectively provided with a fixing base, the third connecting rod is rotatably connected with the fixing base, and the third connecting rod is slidingly connected with the second anchor rod and the first fixing rod through the fixing base.

[0008] Optionally, the two ends of the third connecting rod are respectively provided with a rotating shaft; the fixing base is provided with an avoiding groove for avoiding the third connecting rod, and opposite two side walls of the avoiding groove are respectively provided with a rotating shaft hole for mounting one end of the rotating shaft.

[0009] Optionally, the fixing base is further provided with a mounting hole, and a diameter of the mounting hole is greater than or equal to an outer diameter of the corresponding second anchor rod or first fixing rod.

[0010] Optionally, the utility model further comprises two groups of fixing assemblies, each group of fixing assemblies is arranged corresponding to one third connecting rod, and the fixing assembly is used for fixing the third connecting rod on the second anchor rod and / or the first fixing rod.

[0011] Optionally, the second anchor rod and the first fixing rod are provided with external threads; each group of fixing assemblies comprises two groups of nuts, the two groups of nuts are arranged corresponding to one end of the third connecting rod respectively, each group of nuts comprises two nuts, and one nut is arranged on each side of the fixing base.

[0012] Optionally, the first fixing rod comprises a first fixed sub-rod and a second fixed sub-rod, one end of the first fixed sub-rod is connected with the first anchor rod, the other end is a sleeve structure provided with internal threads, one end of the second fixed sub-rod is connected with the second anchor rod, and the other end is threadedly connected with the inner side wall of the sleeve structure.

[0013] As described above, the utility model discloses a fence for bridge pier construction, at least has the following advantages: through the setting length of first anchor rod is greater than the setting length of second anchor rod, the second anchor rod can be fixed at the lower end of the special-shaped bridge pier, the first anchor rod can be fixed at the upper end, and through the first connecting rod, the second connecting rod, the third connecting rod and the driving member, the driving member drives the first connecting rod to move, and then drives the third connecting rod to move, so that the third connecting rod, the second anchor rod and the first fixing rod form a triangular structure, the stability of the fence is improved, and the third connecting rod can also be used as a handrail to avoid safety hazards. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The whole structure schematic diagram of the fence for bridge pier construction is shown.

[0015] Figure 2 The whole structure schematic diagram of the fence for bridge pier construction is shown. Figure 1 The enlarged schematic diagram of A in the fence for bridge pier construction is shown.

[0016] Element number explanation:

[0017] 1, first operation platform, 11, first base, 12, second base; 2, driving assembly, 21, first connecting rod, 22, second connecting rod, 23, driving piece, 24, third connecting rod, 25, fixed seat, 251, avoiding groove, 26, rotating shaft; 3, connecting assembly, 31, first anchor rod, 32, second anchor rod, 33, first fixed rod, 331, first fixed sub rod, 332, second fixed sub rod; 4, fixing assembly, 41, nut. DETAILED DESCRIPTION

[0018] The following specific embodiments illustrate the embodiments of the utility model, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification.

[0019] Please refer to all the following drawings. Must know, the structure, proportion, size etc. shown in the drawings of the specification, are only used to cooperate the content disclosed in the specification, for those skilled in the art to understand and read, and not to limit the limiting conditions that the utility model can be implemented, so it does not have the substantial meaning of technology, any modification of structure, change of proportion relationship or adjustment of size, under the condition of not affecting the effect and the purpose that the utility model can produce, should still fall in the range that the technical content disclosed in the utility model can cover. At the same time, the terms such as "upper", "lower", "left", "right", "intermediate" and "one" in the specification, are only for the clear understanding of the narrative, and not to limit the range that the utility model can be implemented, the change or adjustment of relative relationship, when no substantial change of technical content, also be regarded as the scope that the utility model can be implemented.

[0020] The following embodiments are only for example. Each embodiment can be combined, which is not limited to the content shown in the following single embodiment.

[0021] Please refer to Figures 1-2The utility model provides a rail for bridge pier construction, include: first operation platform 1, drive assembly 2 and two groups of connecting components 3, two groups of connecting components 3 interval setting are on the side of first operation platform 1, and connecting component 3 is used for setting first operation platform 1 on the bridge pier, every group of connecting components 3 includes first anchor rod 31, second anchor rod 32 and first fixed rod 33, and one end of first fixed rod 33 is connected with first anchor rod 31, and the other end is connected with second anchor rod 32, the length of first anchor rod 31 is less than the length of second anchor rod 32, and first anchor rod 31 sets up the upper of second anchor rod 32, and one end of two second anchor rods 32 is connected with first operation platform 1, and the other end of first anchor rod 31 and second anchor rod 32 is used for connecting with the bridge pier, to make first operation platform 1 can be fixed on the bridge pier.

[0022] Drive assembly 2 includes first connecting rod 21, second connecting rod 22, drive piece 23 and two third connecting rods 24, every third connecting rod 24 is set up corresponding to a group of connecting components 3 respectively, and one end of every third connecting rod 24 is slidably connected with the second anchor rod 32 of the connecting component 3 set up correspondingly, and the other end is slidably connected with the first fixed rod 33 of the connecting component 3 set up correspondingly, one end of first connecting rod 21 is connected with one of third connecting rods 24, and the other end is connected with another third connecting rod 24, one end of second connecting rod 22 is connected with one of second anchor rods 32 close to first operation platform 1, and the other end is connected with another second anchor rod 32 close to first operation platform 1, drive piece 23 is set up on second connecting rod 22, and its output end is connected with first connecting rod 21, drive piece 23 can be motor or other drive structure, in the embodiment, drive piece 23 is telescopic air cylinder, and telescopic air cylinder can provide greater torque, to facilitate the movement of first connecting rod 21.

[0023] In the embodiment, by setting the length of first anchor rod 31 greater than the length of second anchor rod 32, second anchor rod 32 can be fixed at the lower end of the special-shaped bridge pier, and first anchor rod 31 can be fixed at the upper end, and by setting first connecting rod 21, second connecting rod 22, third connecting rod 24 and drive piece 23, drive piece 23 drives first connecting rod 21 to move, and then drives third connecting rod 24 to move, forming a triangular structure between third connecting rod 24, second anchor rod 32 and first fixed rod 33, increasing the stability of the fence, and third connecting rod 24 can also be used as a railing, avoiding safety hazards. In addition, drive piece 23 can drive two third connecting rods 24 to act simultaneously, so that two groups of connecting components 3 and third connecting rods 24 can form a triangular structure at the same time, to improve the work efficiency of construction personnel.

[0024] The first operating platform 1 includes a first base 11 and a second base 12. The first base 11 has an open receiving cavity, and the second base 12 is slidably disposed within the receiving cavity, with one end extending out of the receiving cavity and connected to the output end of the first connecting rod 21 or the driving member 23. A railing or similar structure may be installed above the first base 11, and a mesh structure may be provided on the railing to prevent equipment and materials from falling during construction. The lower part of the first base 11 can be connected to the second anchor rod 32 via bolts or similar structures to ensure a stable connection between the first base 11 and the second anchor rod 32. The opening of the receiving cavity on the first base 11 faces the pier. Under the action of the driving member 23, the second base 12 can extend into or out of the receiving cavity, allowing the second base 12 to fill the gap between the first base 11 and the pier, preventing equipment and materials from falling during construction.

[0025] The third link 24 has a fixed seat 25 at each end, and the third link 24 is rotatably connected to the fixed seat 25. The third link 24 is slidably connected to the second anchor rod 32 and the first fixed rod 33 through the fixed seat 25. Specifically, the third link 24 has a rotating shaft 26 at each end; the fixed seat 25 has a relief groove 251 for accommodating the third link 24, and the opposite side walls of the relief groove 251 have holes for mounting one end of the rotating shaft 26, ensuring that the two ends of the third link 24 can rotate relative to the fixed seat 25. The fixed seat 25 also has mounting holes, the diameter of which is greater than or equal to the outer diameter of the corresponding second anchor rod 32 or first fixed rod 33, to ensure that the fixed seat 25 can slide relative to the corresponding second anchor rod 32 or first fixed rod 33.

[0026] This embodiment of the bridge pier construction fence also includes two sets of fixing components 4, each set of fixing components 4 corresponding to a third connecting rod 24. The fixing components 4 are used to fix the third connecting rod 24 to the second anchor rod 32 and / or the first fixing rod 33. Specifically, the second anchor rod 32 and the first fixing rod 33 are provided with external threads; each set of fixing components 4 includes two sets of nuts 41, each set of nuts 41 corresponding to one end of the third connecting rod 24. Each set of nuts 41 includes two nuts 41, and one nut 41 is provided on each side of the fixing seat 25, i.e. Figure 1 As shown, a nut 41 is provided on the side of the fixing seat 25 at the connection end of the third connecting rod 24 and the second anchor rod 32, near the pier and away from the pier, respectively. A nut 41 is provided on the side of the fixing seat 25 at the connection section of the third connecting rod 24 and the first fixing rod 33, near the first anchor rod 31 and near the second anchor rod 32, respectively. In this way, after the driving member 23 drives the third connecting rod 24 to move, the third connecting rod 24 can be fixed by using the threaded connection between the nut 41 and the corresponding second anchor rod 32 or first fixing rod 33.

[0027] The first fixed rod 33 comprises a first fixed sub-rod 331 and a second fixed sub-rod 332, one end of the first fixed sub-rod 331 is connected with the first anchor rod 31, the other end is a sleeve structure provided with internal threads, one end of the second fixed sub-rod 332 is connected with the second anchor rod 32, the other end is threadedly connected with the inner side wall of the sleeve structure, so that the fixing seat 25 can be sleeved on the second fixed sub-rod 332.

[0028] In summary, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0029] The above embodiments only exemplarily illustrate the principles and effects of the utility model, and are not used to limit the utility model. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and category of the utility model. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the utility model should be covered by the claims of the utility model.

Claims

1. A fence for bridge pier construction, characterized in that, The utility model relates to a bridge pier operation platform, including: First operation platform, drive assembly and two groups of connecting components; Two groups of connecting components are arranged on the side of first operation platform at intervals, and the connecting components are used for arranging first operation platform on the bridge pier; Each group of connecting components includes first anchor rod, second anchor rod and first fixed rod, one end of first fixed rod is connected with first anchor rod, the other end is connected with second anchor rod, the length of first anchor rod is less than the length of second anchor rod, first anchor rod is arranged above second anchor rod, and one end of two second anchor rods is connected with first operation platform; The drive assembly includes first connecting rod, second connecting rod, drive part and two third connecting rods, each third connecting rod is arranged corresponding to one group of connecting components, one end of each third connecting rod is slidably connected with the second anchor rod of the corresponding connecting component, and the other end is slidably connected with the first fixed rod of the corresponding connecting component, one end of first connecting rod is connected with one of third connecting rods, and the other end is connected with another third connecting rod, one end of second connecting rod is connected with one of second anchor rods close to first operation platform, and the other end is connected with another second anchor rod close to first operation platform, and the output end of drive part arranged on second connecting rod is connected with first connecting rod.

2. The fence for bridge pier construction according to claim 1, characterized in that: The first operation platform includes first base and second base, the first base is provided with containing cavity with opening, and the second base is slidably arranged in the containing cavity and extends out of the containing cavity to be connected with the output end of the first connecting rod or drive part.

3. A fence for bridge pier construction according to claim 2, characterized in that: Both ends of the third connecting rod are respectively provided with a fixed seat, the third connecting rod is rotatably connected with the fixed seat, and the third connecting rod is slidably connected with the second anchor rod and the first fixed rod through the fixed seat.

4. A fence for bridge pier construction according to claim 3, characterized in that: Both ends of the third connecting rod are respectively provided with a rotating shaft; The fixed seat is provided with an avoiding groove for avoiding the third connecting rod, and a rotating shaft hole for mounting one end of the rotating shaft is arranged on the opposite two side walls of the avoiding groove.

5. A fence for use in bridge pier construction according to claim 4, characterised in that: The fixed seat is further provided with a mounting hole, and the diameter of the mounting hole is greater than or equal to the outer diameter of the corresponding second anchor rod or first fixed rod.

6. The fence for bridge pier construction according to claim 4, characterized in that: It also includes two groups of fixing components, each group of fixing components is arranged corresponding to one third connecting rod, and the fixing component is used for fixing the third connecting rod on the second anchor rod and / or first fixed rod.

7. A fence for use in bridge pier construction according to claim 6, characterised in that: The second anchor rod and the first fixed rod are provided with external threads; Each group of fixing components includes two groups of nuts, and the two groups of nuts are arranged corresponding to one end of the third connecting rod, each group of nuts includes two nuts, and one nut is arranged on each side of the fixed seat.

8. The fence for bridge pier construction according to claim 6, characterized in that: The first fixed rod includes first fixed sub rod and second fixed sub rod, one end of the first fixed sub rod is connected with the first anchor rod, and the other end is a sleeve structure provided with internal threads, one end of the second fixed sub rod is connected with the second anchor rod, and the other end is threadedly connected with the inner side wall of the sleeve structure.

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