CN207227957U - Pier body construction safety protection platform - Google Patents

Abstract

The utility model discloses a pier shaft construction safety protection platform, including at least one standard cell, standard cell includes: the tunnel layer comprises a peripheral cross beam and an inner peripheral cross beam, wherein the peripheral cross beam is connected end to form a closed frame, and the inner peripheral cross beam is connected inside the closed frame and is parallel to the peripheral cross beam; the supporting rods are vertically connected with the plurality of crossing layers in an intersecting manner; the cross braces are connected to the peripheral cross beams/the inner peripheral cross beams of the adjacent crossing layer in an intersecting manner; the connecting plates are respectively arranged at two ends of the supporting rod and provided with corresponding positioning holes, the standard units of adjacent layers are connected through the connecting plates, the whole assembly and disassembly of the standard units can be realized, the assembly and disassembly time and labor are saved on the premise of ensuring safety, the cyclic utilization performance is realized, most rod piece materials in the same standard unit are angle steel, and the economy of the safety protection platform is improved.

Description

Pier body construction safety protection platform

technical field

The utility model relates to the field of bridge construction engineering, in particular to a pier body construction safety protection platform.

Background technique

In the construction of bridge pier bodies, steel pipe supports are often used to build safety protection platforms for pier body construction. Common safety protection platforms mainly include lantern frames, light climbing frames, cantilever formwork, scaffolding steel pipe safety channels, etc. Lantern frame safety protection platforms are mainly welded and reinforced. It is built by tying. After the construction of the pier body is completed, the structural components need to be dismantled. Especially when the frame formwork is removed, workers need to manually dismantle it, and it needs to be dismantled under the formwork. The safety guarantee for workers is poor; light-duty Although the climbing frame is easy to dismantle and relatively high in safety, its cost is high and it is not suitable for widespread implementation and use; while the structure of the cantilever formwork is basically the same as that of the light climbing frame, but after the structure binding is completed, it needs to be carried out with a hanging tower. Lifting, the safety during the lifting process cannot be guaranteed; the safety protection frame built by scaffolding steel pipes is often used on piers with a height below 20m, and the safety protection platform formed by the protection frame requires more labor and the amount of components Many, the erection process is slow, the erection is not standard, the pier body needs to be completely dismantled after the construction is completed, and the recycling of the safety protection platform cannot be realized

Utility model content

In order to solve the above problems or at least partially solve the above problems, the utility model proposes a pier body construction safety protection platform, which is implemented in combination with the height of the pier body, and has the advantages of high safety, convenient disassembly and assembly turnover, short disassembly time, and economic cost. The advantages.

In order to achieve the above object, the utility model provides the following technical solutions:

A pier body construction safety protection platform includes at least one standard unit, and the standard unit includes:

The aisle layer includes peripheral beams connected end to end to form a closed frame, and inner beams connected inside the closed frame and respectively parallel to the peripheral beams;

Support rods, vertically intersecting and connecting several aisle layers;

Scissor braces, intersecting and connecting on the peripheral beams/inner beams of adjacent aisle floors;

The connecting plates are respectively arranged at both ends of the support rod and provided with corresponding positioning holes.

Further, two adjacent inner beams are cross-connected to form a closed frame with a central channel reserved, and both ends of the inner beams are respectively connected to the intersecting outer beams.

Further, the intersections between the peripheral beams and the inner beams, the intersections between the peripheral beams, and the intersections between the inner beams form a first connection point, and the support rods are vertically Connecting several first connection points that do not belong to the same aisle layer, so as to realize the vertical connection of multiple aisle layers.

Further, reinforcing rods are arranged between the middle parts of the parallel peripheral beams and the inner peripheral beams belonging to the same aisle layer, and the reinforcing rods are connected with the peripheral beams and the inner peripheral beams respectively. The connection forms a second connection point, and the support rod vertically connects several second connection points that do not belong to the same passage layer, so as to realize the vertical connection of multiple passage layers.

Further, the scissors bracing includes long diagonal braces spanning at least three aisle floors, and both ends of the long diagonal braces are respectively connected to the peripheral beams/inner peripheral beams on the same side.

Preferably, the long braces are connected at the first connection point and/or the second connection point, so as to realize the connection with the outer peripheral beam and/or the inner peripheral beam.

Further, the scissors bracing also includes short diagonal braces connecting adjacent aisle floors, and the two ends of the short diagonal braces are respectively connected to the peripheral beams/inner peripheral beams on the same side.

Preferably, the short brace connection does not belong to the first connection point and the second connection point of the same passage layer.

Further, the standard unit also includes a ladder, the two ends of the ladder are arranged along the long diagonal brace and/or the short diagonal brace, and are located between the peripheral beam and the inner peripheral beam.

Preferably, the support bar, the peripheral beam, the inner beam and the scissor brace are made of angle steel.

Preferably, the angle steels of the standard units are connected by welding.

Further, wooden boards are provided between the peripheral beams and the inner beams of at least one passage layer.

Preferably, the standard units spliced up and down realize the alignment connection based on the positioning hole through the connection.

Further, the standard unit at the bottom is connected to the anchor connector in the concrete base form at the bottom of the pier body.

Further, the standard unit on the highest floor is connected to the concrete cap at the bottom of the pier through a wind cable.

Compared with the prior art, the solution of the utility model has the following advantages:

1. The pier body construction safety protection platform of the utility model is formed by superimposing and fixing multi-layer standard units. The standard unit is a prefabricated overall structure. When it needs to be used, the standard unit only needs to be hoisted. Layers of superimposed installation can form an integral pier body construction safety protection platform, which saves installation time and labor costs; at the end of use, the support frame can also be disassembled as a whole according to the standard unit layer by layer. The standard unit can be applied to other pier bodies, which realizes the recycling of the support frame and reduces the economic cost and time cost of construction.

2. In the pier body construction safety protection platform of the present utility model, the support rods, the outer beam beams, the inner beam beams, the reinforcing rods and the scissor braces are made of angle steel, and the profiles used in the overall structure are basically the same , which reduces the economic cost of the entire support frame. Wooden boards are arranged between the peripheral beams and the internal beams to form aisle layers for workers to construct and walk around, which further reduces the economic cost of the entire support frame while ensuring safety .

3. The pier body construction safety protection platform of the present utility model is installed and disassembled as a whole. The construction personnel mainly perform the overall superposition installation and disassembly of the standard unit through the hoisting device, which ensures the safety of the construction personnel during the installation and disassembly process. safety.

4. In the pier body construction safety protection platform of the present utility model, the standard units are provided with scissor braces, which are intersected and connected to the peripheral beams/inner beams of the adjacent aisle layer, and the scissor braces increase the standard units and supports of each layer The rigidity and stability of the frame as a whole, and at the same time ensure the safety of construction personnel.

5. In the pier body construction safety protection platform of the present utility model, a reinforcing rod is provided between the middle of the outer beam and the inner beam, which further increases the rigidity and stability of each standard unit and the support frame as a whole.

6. In the pier body construction safety protection platform of the present utility model, the connection method of the steel structure between the standard units is welding, which makes the structure of the standard units more firm. The connection between the two standard units is mainly realized by bolts, which facilitates the overall construction of the standard units. Disassemble.

7. The pier body construction safety protection platform of the present utility model has a ladder in each standard unit, which facilitates the construction of the pier body by workers and increases the convenience in the construction process.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and will become apparent from the description, or may be learned by practice of the invention.

Description of drawings

The above-mentioned and/or additional aspects and advantages of the utility model will become apparent and easy to understand from the following description of the embodiments in conjunction with the accompanying drawings, wherein:

Fig. 1 is the top view of the climbing ladder side of the pier body construction safety protection platform standard unit of the utility model;

Fig. 2 is a sectional view of A-A shown in Fig. 1 .

Fig. 3 is a sectional view of B-B shown in Fig. 1 .

Fig. 4 is a sectional view of C-C shown in Fig. 1 .

Fig. 5 is a structural diagram of another embodiment of the pier body construction safety protection platform of the present invention.

Detailed ways

Embodiments of the utility model are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are only used to explain the present invention, and cannot be construed as limiting the present invention.

Referring to Figures 1 to 2, a pier body construction safety protection platform includes: a support frame formed by superimposing and fixing multi-layer standard units 1, the standard unit 1 includes a beam aisle layer 3, and several said A plurality of support rods 12 of the passageway layer 3, in the same standard unit, includes multiple layers of the passageway layer 3, the passageway layer 3 includes a plurality of beams 11, and the first connection is formed at the connection between the crossbeams 11 Point 13, the first connection point 13 includes the connection point at the top of the beam 11, the connection point at the intersection, and the connections between multiple support rods 12 and the top ends that do not belong to the same passage layer points, the connection points at the intersections are connected, thereby respectively connecting with the beams 12, and perpendicularly intersecting each of the beams 12 at the connection points, thereby forming the beams 12 perpendicular to several passage layers 3 And intersect, the crossbeam 11 and the support rod 12 are connected by welding, the crossbeam 11 and the support rod 12 are angle steel, the crossbeam 11 adopts the angle steel of L63*5mm, and the support rod 12 adopts L100*10mm angle steel, the angle steel has good weldability, plastic deformation performance and certain mechanical strength, the angle steel is equilateral angle steel, the angle steel is easy to connect to form a frame structure, and can save economic cost, the standard The height of the unit in the vertical direction is 6m, and the support rod 12 is a whole rod in the standard unit 1, and the height is 6m. In other embodiments, the crossbeam 11 and the support rod 12 can also be Connected in the form of steel bundles.

Referring to Fig. 1, the beam 11 includes a peripheral beam 111 and an inner beam 112, and a central channel is reserved during manufacture of the peripheral beam 111 and the inner beam 112, and the outer peripheral dimension of the central channel is the same as that of the pier body 2 is that the dimensions of the outer circumference are matched, and the passage layer 3 is formed between the outer peripheral beam 111 and the inner peripheral beam 112, and the end-to-end connection between the outer peripheral beams 111 of the same layer of the passage layer 3 is formed The closed frame is connected by welding. Further, the inner beam 112 is arranged in the frame structure surrounded by the outer beam 111. The inner beam 112 is parallel to the corresponding outer beam 111. The two adjacent inner beams 112 are vertically cross-connected, and the stable connection between the inner beams 112 is realized by welding at the cross-connection, and a closed frame with a central passage is formed. Both ends of the crossbeam 112 are respectively welded to the intersecting peripheral crossbeams 111, the pier body 2 is located in the center of the closed frame structure surrounded by the inner peripheral crossbeams 112, and the outer periphery on the same side of the passage layer 3 The beam 111 and the inner beam 112 form a frame structure, which is beneficial to install the wooden board 7 thereon, so that the wooden board 7 can be installed between the peripheral beam 111 and the inner beam 112 smoothly, so that It is beneficial for the workers to walk and construct on the plank 7, the thickness of the plank 7 is 2cm, which ensures that the workers can construct smoothly on the protective platform 3 and ensure the safety of the construction workers; The peripheral beam 111 and the inner beam 112 are located on the same plane and are parallel to each other and have the same length, and both ends are flush with each other; the same side of the standard unit 1 is different from the parallel peripheral beam 111 in the corridor layer 3 and between the inner beams 112 are respectively located in the same plane and are parallel to each other and equal in length, and both ends are flush with each other; specifically, the inner and outer beams 112, 111 Form a long side, the inner and outer beams 112, 111 adjacent to the long side are short sides, the length of the inner and outer beams 112, 111 of the long side is 5.70m, and the inner and outer sides of the short side The length of beams 112, 111 is 4.8mm.

Please continue to refer to FIG. 2 to FIG. 4 , the intersections between the peripheral beams 111 and the inner beams 112 , the intersections between the peripheral beams 111 , and the intersections between the inner beams 112 form the first Connection points 13, the support rods 12 are respectively connected to several first connection points 13 in the vertical direction that do not belong to the same aisle layer 3, so that the support rods 12 are vertically intersected and connected to the peripheral beams 111 and The inner peripheral beam 112 is connected by welding, and realizes the vertical connection of multiple passage layers 3 . Further, the support rods 12 are respectively connected to the first connection points 13 at the intersections of the top ends of the peripheral beams 111 of different layers, and form the peripheral support rods 121, so that the peripheral support rods 121 and the intersecting two The peripheral beams 111 are connected, and the support rods 12 are respectively connected with the first connection points 13 at the intersections of the top ends of the inner peripheral beams 112 of different layers and the intersections of the peripheral beams 111, and form the peripheral support rods 121, so that the The peripheral support rods 121 are connected to the intersecting two peripheral beams 111 and the inner peripheral support rods 112, and the support rods 12 are respectively connected to the first connection point 13 formed by the intersection of the inner peripheral beams 121 of different layers, And formed the inner support bar 122, so that the inner support bar 122 is connected with the intersecting two inner cross beams 111, the outer support bar 121 and the inner support bar 122 are parallel to each other and both The ends are flush, and the joints between the inner and outer support rods 122, 121 and the inner and outer beams 112, 111 form the fulcrums of the inner and outer beams 112, 111, which can be used to disperse the inner and outer beams. The gravitational force borne by the beams 112, 111 and the gravity of the inner and outer beams 112, 111 make the force distribution of the inner and outer beams 112, 111 more uniform, and the standard unit is subjected to side forces (such as wind force) , the inner and outer support rods 122, 121 can increase the stability of the standard unit 1 and prolong the service life of the standard unit 1.

Referring to Fig. 2, the two outer sides of at least one pair of opposite faces of the standard unit 1 are provided with scissor braces 4, and the scissor braces 4 include long diagonal braces 41 spanning at least three passage layers 3, and the long diagonal braces 41 are respectively connected with the first connection point 13 and the second connection point of different layers to realize the connection with the peripheral beam 111 and/or the inner beam 112, the peripheral beam 111 and/or the The inner beam 112 is located on the same side of the standard unit 1, and the two long diagonal braces 41 are connected by welding at the intersection, and the intersection is located at the second connection point 14, and the long diagonal brace 41 The two ends are respectively welded at the corners of the two aisle layers 3, the corners are the intersecting joints of two adjacent peripheral beams 111, and/or the corners are the intersections of two adjacent inner beams 112 is the first connection point 13, and the connection method is welding, so that the long diagonal brace 41 intersects with the peripheral beam 111 and/or the inner beam 112 on the same side and realizes it by welding The connection between the long diagonal brace 41 and the peripheral beam 111 and/or the inner peripheral beam 112, the peripheral beam 111 of the two aisle layers 3 connected at both ends of the long diagonal brace 41 and the The support rods 12 connected at both ends of the peripheral beam 111 together form a frame, the length of the long diagonal brace 41 is equal to the length of the diagonal of the frame, and/or the two ends of the long diagonal brace 41 are connected The inner beams 112 of the two aisle floors 3 and the support rods 12 connected to the two ends of the inner beams 112 together form a frame, and the length of the long braces 41 is equal to the diagonal of the frame. length.

Please continue to refer to FIG. 2 , the scissor brace 4 also includes short diagonal braces 42 connecting the adjacent passage layers 3 , and the short diagonal braces 42 are respectively located on the periphery of the same side of two adjacent passage layers 3 Between the beam 111 and/or the inner perimeter beam 112, the short brace 42 is connected to the outer perimeter beam 111 and/or the inner perimeter beam 112 at the first connection point 13 and the second connection point 14. , the first connection point 13 and the second connection point 14 do not belong to the same aisle layer 3, and the peripheral beam 111 and/or the inner peripheral beam 112 connected by the short brace 42 also Not belonging to the same passage layer 3, the adjacent passage layer 3 is the top and/or lower part of the standard unit 1, and one of the passage layers 3 is the top and/or lower end of the standard unit 1 , the two ends of the short diagonal brace 42 are respectively connected with the peripheral beams 111 of the adjacent passage layer 3, and one end of the short diagonal brace 42 is located at the corner of the passage layer 3 on the first floor, and is connected with the passage layer 3. The peripheral crossbeam 111 is welded and connected, and the other end of the short brace 42 is located in the middle of the outer side of the aisle layer 3, and is welded to the peripheral crossbeam 111 in the middle of the peripheral crossbeam 111, wherein the middle part is At the second connection point 14; the scissor brace 4 is conducive to dispersing the shear stress borne by the peripheral beam 111, and can disperse the stress borne by the support rod 121 in the vertical direction, reducing the deformation of the standard unit 1 and increasing The load-bearing capacity of the standard unit 1 prolongs the service life of the standard unit 1. Because the long diagonal brace 41 is too long, the overall stability of the protective platform is lacking. At the same time, the shear stress borne by part of the peripheral beams 111 increase, which is detrimental to the safety of the entire protective platform. The short braces 42 are mainly used to be arranged at the top and bottom of the protective platform to complement the position where the long braces 41 cannot be reinforced, and to evenly disperse the bearings of the peripheral beams 111. shear stress, and can disperse the stress that the support rod 121 bears in the vertical direction.

Referring to Fig. 1 to Fig. 4, a ladder 5 is provided between the peripheral beam 111 and the inner beam 112 of a side adjacent layer of the standard unit 1, and the standard unit 1 includes at least one layer of the corridor layer 3 Specifically, referring to Fig. 1, Fig. 2 and Fig. 4, the standard unit 1 includes four layers of the aisle layer 3, and a ladder 5 is provided between the aisle layers 3 of adjacent layers, and the ladder 5 is convenient for workers At the same time, the pier body is constructed on different layers, and the ladder 5 is provided with a guardrail 51 and a stepping member 52, and the inner beam 112 on which the ladder 5 is installed is provided with a long diagonal brace 41 corresponding to the outer beam 111 and/or Or the short diagonal brace 42, the stepping member 52 is firmly welded to a section of the two long diagonal braces 41 that are parallel, parallel and equal in length between the adjacent passage layers 3 by welding, or the On the short diagonal brace 42, or on a section of the long diagonal brace 41 opposite and parallel to the short diagonal brace 42, a section of the long diagonal brace 41 is equal to the length of the short diagonal brace, and the guardrail 51 is arranged on the long diagonal brace 41 and/or the short diagonal brace 42 corresponding to the stepping member 52, that is, a section of the scissor brace 4 where the guardrail 51 extends along the stepping member 52 is set; the guardrail 51 Contribute to the protection of the safety of the workers on the aisle layer 3 above and below. The steel used in the guardrail 51 is rebar, which is common steel, has good friction, strong rigidity, and increases the service life of the guardrail. The piece 52 adopts the angle steel of L63*5mm, and the equilateral angle steel has wide sides, so that people can step on the stepping piece 52 smoothly, and it is not easy to slip.

Referring to Fig. 1, a reinforcing rod 8 is arranged between the peripheral beam 111 and the inner peripheral beam 112, and the reinforcing rod 8 is respectively connected with the peripheral beam 111 and the inner peripheral beam 112 by welding. The two ends of the rod 8 are respectively located in the middle of the peripheral beam 111 and the inner beam 112, and are connected with the peripheral beam 111 and the inner beam 112 respectively, and the reinforcing rod 8 is connected with the outer beam respectively. 111 and the inner perimeter beam 112 form a second connection point, and the support rod 12 connects several second connection points 14 that do not belong to the same passage layer 3 in the vertical direction, so as to realize multiple The vertical connection of the aisle layer 3, further, the support rod 12 connects the second connection point between the reinforcement rod 8 of different layers and the peripheral beam 111, and forms the peripheral support rod 121, the support Rod 12 connects the second connection point between the reinforcing rod 8 of different layers and the inner peripheral crossbeam 112, and forms the inner peripheral supporting rod 122. The connection between the inner peripheral crossbeam 112 and the reinforcement bar on the surface is beneficial to reduce the moment during the hoisting process, and at the same time increase the stability during the hoisting process, and further increase the stability of the standard unit 1 and the entire protective platform.

Please continue to refer to Figure 1, the connection between the two standard units 1 on adjacent floors is realized through the connection plate 6, the connection plate 6 is square, and the side length is 30mm. The connection plate 6 is provided with a plurality of mounting holes 61 , the peripheral beam 111, the inner beam 112 and the reinforcing rod 8 are provided with a plurality of positioning holes (not labeled) corresponding to the connecting plate 6, so as to realize the connection between two adjacent layers by means of bolts. The connection between the standard units 1 is convenient for the disassembly and assembly between the adjacent standard units 1, and the thickness of the connecting plate is 2 mm, which makes the connection between the standard units 1 more stable.

Referring to Fig. 2 to Fig. 4, the height of the vertical direction of the standard unit is 6m, and the standard unit 1 is usually used for the safety protection platform of the pier construction with a relatively low height. In this embodiment, the vertical height of the pier body is 17.5m, only three sections of the standard unit 1 are needed to complete the pier body construction safety protection platform. The periphery of the safety protection platform on each layer is provided with a protective net, which is used to protect the life safety of the construction workers during the construction process, so that the workers can protect the life safety of the workers when they are dumped. The inner and outer beams 112 on the opposite side The length of , 111 is 59.1cm with the distance from the pier body, and the length of the inner and outer beams 112, 111 on the other opposite surface is 84.1cm, the shorter distance is convenient for workers to construct, and can also ensure the safety of workers.

The bottom of the pier body 2 is poured with a concrete base form 9, and anchor bolts (unnumbered, the same below) are anchored in the concrete base form 9. The concrete base form 9 not only bears the gravity from the pier body, but also passes through the concrete base form. The anchor bolts in the mold 9 realize the stable installation with the standard unit 1, and the standard unit 1 connected with the concrete base form 9 is the first layer of the standard unit, and the standard unit 1 and the The concrete base form connects the crossbeam 11 as the first layer of the crossbeam, and the anchor bolts pass through the through holes (unlabeled) of the first layer of the crossbeam 11 and are locked by nuts, which can quickly realize the The connection between the standard unit 1 and the concrete base form 9 is firmly fixed, which further ensures the stability of the safety protection platform for the entire pier body construction; or the connection surface between the concrete base form 9 and the pier body 2 is reserved with steel arms , the profiled steel is anchored in the concrete base form 9, and the beam 11 of the first layer is welded to the profiled steel arm in a firm connection, which can further avoid instability of the entire pier body construction safety protection platform.

In another embodiment, referring to FIG. 5 , it shows three standard units 1 that have been spliced together, and surround the outer periphery of the pier body 2 to form a protection platform, and the protection platform adopts four cable wind The rope 10 is fixed, and one end of the cable wind rope 10 is connected to the standard unit 1 on the top floor of the pier construction safety protection protection platform, and the specific connection point is adjacent to the protection platform 3 on the top floor of the standard unit 1 The protective platform 3 on the next layer, the other end of the cable wind rope 10 is fixed at the ground anchor concrete cap (unlabeled, the same below), and the ground anchor concrete cap is 9 distances from the outer periphery of the concrete base form 9 2.6m.

The foregoing is only a partial implementation of the utility model, and it should be pointed out that for those of ordinary skill in the art, some improvements and modifications can also be made without departing from the principle of the utility model. Retouching should also be regarded as the scope of protection of the present utility model.

Claims (15)

1. A kind of 1. pier construction security protection platform, it is characterised in that including at least one standard block, the standard block bag Include：

   Channel layer is crossed, including head and the tail connection forms the peripheral crossbeam of closure frame, and it is connected to point inside the closure frame Crossbeam is enclosed in parallel with the peripheral crossbeam；

   Supporting rod, intersects vertically and connects several described channel layer excessively；

   Bridging, the intersecting peripheral crossbeam/interior for crossing channel layer being attached adjacent to are enclosed on crossbeam；

   Connecting plate, is separately positioned on the both ends of the supporting rod and opens up corresponding location hole.
2. 2. pier construction security protection platform according to claim 1, it is characterised in that adjacent two it is described in enclose horizontal stroke Beam interconnection to form the closure frame of reserved centre gangway, and it is described in enclose the periphery of the crossbeam both ends respectively with intersecting Crossbeam connects.
3. 3. pier construction security protection platform according to claim 2, it is characterised in that the periphery crossbeam and described interior Enclose the intersection between the intersection of crossbeam, the peripheral crossbeam, it is described in the intersection enclosed between crossbeam form the first connection Point, the supporting rod connects several in vertical direction and is not belonging to same first tie point for crossing channel layer, with reality Existing multiple vertical connections for crossing channel layer.
4. 4. pier construction security protection platform according to claim 3, it is characterised in that belong to the same channel layer excessively The parallel peripheral crossbeam and the interior middle part for enclosing crossbeam between be equipped with bracing piece, the bracing piece respectively with it is described Peripheral crossbeam and the interior junction for enclosing crossbeam form the second tie point, and the supporting rod connects several not in vertical direction Belong to same second tie point for crossing channel layer, to realize multiple vertical connections for crossing channel layer.
5. 5. pier construction security protection platform according to claim 4, it is characterised in that the bridging is included across extremely Few three long diagonal braces for crossing channel layer, the periphery that the long diagonal brace both ends are connected on same side are horizontal Enclosed in beam/described on crossbeam.
6. 6. pier construction security protection platform according to claim 5, it is characterised in that the long diagonal brace is described first Tie point and/or the second tie point are attached, to realize and the peripheral crossbeam and/or the interior connection for enclosing crossbeam.
7. 7. pier construction security protection platform according to claim 5, it is characterised in that the bridging further includes connection The adjacent short diagonal brace for crossing channel layer, the periphery that the both ends of the short diagonal brace are connected on same side are horizontal Enclosed in beam/described on crossbeam.
8. 8. pier construction security protection platform according to claim 7, it is characterised in that the short diagonal brace connection is not belonging to Same first tie point and the second tie point for crossing channel layer.
9. 9. pier construction security protection platform according to claim 7, it is characterised in that the standard block, which further includes, climbs Ladder, the cat ladder are set along the long diagonal brace and/or short diagonal brace, and positioned at the peripheral crossbeam and described interior are enclosed between crossbeam.
10. 10. pier construction security protection platform according to claim 1, it is characterised in that the supporting rod, the periphery Crossbeam, it is described in enclose crossbeam and the bridging is made of angle steel.
11. 11. pier construction security protection platform according to claim 10, it is characterised in that the angle steel of the standard block Between pass through weld realize connection.
12. 12. pier construction security protection platform according to claim 1, it is characterised in that at least one layer is described to cross channel layer The peripheral crossbeam and interior enclose be equipped with plank between crossbeam.
13. 13. pier construction security protection platform according to claim 1, it is characterised in that the standard spliced up and down Unit realizes that the contraposition based on the location hole connects by the connecting plate.
14. 14. pier construction security protection platform according to claim 13, it is characterised in that the standard list of the bottom Member is attached with the anchor connector in the concrete basic mode of pier shaft bottom.
15. 15. pier construction security protection platform according to claim 13, it is characterised in that the top standard list Member and the concrete bearing platform of pier shaft bottom are attached by cable wind rope.