Tunnel reinforcing steel bar mounting operation rack easy to mount and dismount

Abstract

The utility model discloses a tunnel reinforcing steel bar installation operation rack easy to assemble and disassemble, and relates to the technical field of water conservancy pumped storage tunnel engineering. The frame body comprises a plurality of vertical rods, a plurality of horizontal longitudinal rods, a plurality of bottom horizontal rods and a plurality of transverse rods which are connected through fasteners; the vertical rods are uniformly arranged along the channel steel and are vertically connected to the upper side of the channel steel; small side bedplates are arranged on the two sides of the middle of the frame body, a top bedplate and two side bedplates are arranged at the top of the frame body, and the two side bedplates are symmetrically arranged on the two sides of the top bedplate and are lower than the top bedplate; inclined ladders are connected to two ends of the frame body; according to the working rack, the manufacturing efficiency of the working rack is improved, the use requirement is met, the manufacturing cost is reduced on the premise of ensuring safety, the working rack can be disassembled and reused after being used, engineering materials and construction cost are saved, and green construction is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to water conservancy pumped storage tunnel engineering technical field, especially in easy tunnel steel bar installation operation rack of dismantling. BACKGROUND

[0002] In the engineering field such as water conservancy project, pumped storage power station project, traffic engineering, tunnel is common engineering, and tunnel lining is also common form of engineering support. At present, tunnel lining adopts support trolley to carry out steel bar binding and form installation operation, of course, steel bar installation and concrete pouring adopt "support trolley + lining trolley" are also common. And this trolley is mostly made of I-shaped steel and other section steel. In some tunnels, because the slope is large (more than 5%), and the bottom plate has been poured in advance, the net space in the hole cannot meet the original trolley in and out, so the original trolley needs to be improved or reprocessed. It is feasible to modify the trolley or reprocess the trolley, but the self weight of such modification or processing is large, and after use, it cannot be repeatedly used after disassembly. Therefore, it is necessary to develop an easy-to-disassemble operation rack using on-site materials. SUMMARY

[0003] The utility model discloses a tunnel steel bar installation operation rack easy to assemble and disassemble.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A tunnel steel bar installation operation rack easy to assemble and disassemble, comprising a plurality of parallel channel steels and a frame body, the frame body comprises a plurality of vertical rods, a plurality of horizontal longitudinal rods, a plurality of sweeping rods and a plurality of horizontal rods connected by fasteners, the vertical rods are evenly arranged along the channel steels and are vertically connected to the upper sides of the channel steels, side small platform plates are arranged on both sides of the middle part of the frame body, a top platform plate and two side platform plates are arranged on the top of the frame body, the two side platform plates are symmetrically arranged on both sides of the top platform plate and are lower than the top platform plate, and inclined ladders are connected to both ends of the frame body.

[0006] Further, the horizontal longitudinal rods are parallel to the channel steels and are perpendicular to the vertical rods and are vertically arranged along the vertical rods, and the horizontal longitudinal rods are connected to the vertical rods by fasteners.

[0007] Further, the sweeping rods are perpendicular to the channel steels and are perpendicular to the vertical rods, and the sweeping rods are connected to the lower parts of the vertical rods by fasteners.

[0008] Further, the cross bars are perpendicular to the channel steel and perpendicular to the vertical rods; the cross bars include a plurality of first cross bars, a plurality of second cross bars and a plurality of third cross bars with different heights; the first cross bars are located at the middle part of the frame body and connected with the vertical rods through buckles, and the upper sides of the two ends of the first cross bars are provided with the side small platform plates; the second cross bars are located at the upper part of the frame body and connected with the vertical rods through buckles, and the upper sides of the two ends of the second cross bars are provided with the side platform plates; and the third cross bars are located at the top of the frame body and connected with the vertical rods through buckles, and the upper sides of the third cross bars are provided with the top platform plates.

[0009] Further, the upper and lower ends of the inclined ladders are connected with the horizontal longitudinal rods through buckles.

[0010] Further, the upper ends of the inclined ladders at the two ends of the frame body correspond to the two side platform plates at the two sides of the frame body respectively.

[0011] Further, the frame body is provided with a plurality of scissor braces connected with the horizontal longitudinal rods through buckles.

[0012] Further, the two ends of the frame body are provided with end inclined braces, the lower ends of the end inclined braces are connected with the sweeping rods through buckles, and the upper ends of the end inclined braces are connected with the horizontal longitudinal rods through buckles.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] The utility model improves the manufacturing efficiency of the operation rack, satisfies the use requirement, guarantees the premise of safety, reduces the manufacturing cost, and can be disassembled and reused after use, saves engineering materials and construction cost, and realizes green construction. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the end surface schematic view of the utility model.

[0016] Figure 2 It is the side surface schematic view of the utility model.

[0017] Figure 3 It is the end surface size schematic view of the utility model.

[0018] Figure 4 It is the side surface size schematic view of the utility model.

[0019] In the drawing: 1, channel steel; 2, vertical rod; 3, horizontal longitudinal rod; 4, sweeping rod; 5, first cross bar; 6, side small platform plate; 7, second cross bar; 8, side platform plate; 9, third cross bar; 10, top platform plate; 11, end inclined brace; 12, scissor brace; 13, inclined ladder; 14, ladder side guardrail; 15, top guardrail. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and are not used to limit the utility model, that is, the described examples are only a part of the examples of the utility model, but not all the examples. The components of the utility model embodiments described and shown in the drawings herein can be arranged and designed in various different configurations.

[0021] It should be noted that the relational terms such as "first", "second" and "third" and the like are used only to differentiate one entity or action from another, and do not necessarily require or imply that these entities or actions are in any such actual relationship or order. Moreover, the terms "comprise", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0022] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" that may appear should be understood broadly, for example, it can be fixedly connected, or integrally connected, or mechanically connected, or electrically connected, or directly connected, or indirectly connected through an intermediate medium, or the internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "provided with" that may appear should be understood broadly, for example, the object of "provided with" can be part of the body, or arranged separately from the body and connected to the body, and the connection can be detachable connection, or non-detachable connection. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] The utility model will be further described in detail in combination with the examples.

[0025] The specific embodiments of the easy-to-assemble and disassemble tunnel steel bar installation workbench provided by the utility model are as follows:

[0026] Please refer to Figures 1-4 , the easy-to-assemble and disassemble tunnel steel bar installation workbench comprises a plurality of parallel 10# channel steels 1 and a frame body; in this embodiment, the number of channel steels 1 is four.

[0027] The frame body comprises a plurality of vertical rods 2, a plurality of horizontal longitudinal rods 3, a plurality of sweeping rods 4 and a plurality of cross rods, the vertical rods 2 are evenly arranged along the channel steel 1 and are vertically welded to the upper side of the channel steel 1, and the vertical rods 2 are arranged in four rows, and the two vertical rods 2 in the middle are slightly higher than the two vertical rods 2 on the two sides.

[0028] The horizontal longitudinal rods 3 are parallel to the channel steel 1 and perpendicular to the vertical rods 2 and are vertically arranged along the vertical rods 2, the horizontal longitudinal rods 3 are connected to the vertical rods 2 through buckles, the sweeping rods 4 are perpendicular to the channel steel 1 and the vertical rods 2, the sweeping rods 4 are connected to the lower part of the vertical rods 2 through buckles, and the cross rods are perpendicular to the channel steel 1 and the vertical rods 2.

[0029] Both sides of the middle part of the frame body are provided with side small platforms 6, the top of the frame body is provided with a top platform 10 and two side platforms 8, the two side platforms 8 are symmetrically arranged on the two sides of the top platform 10 and are lower than the top platform 10, the cross rods comprise a plurality of first cross rods 5, a plurality of second cross rods 7 and a plurality of third cross rods 9, the first cross rods 5 are located in the middle part of the frame body and are connected to the vertical rods 2 through buckles, the upper sides of the two ends of the first cross rods 5 are provided with the side small platforms 6, the second cross rods 7 are located in the upper part of the frame body and are connected to the vertical rods 2 through buckles, the upper sides of the two ends of the second cross rods 7 are provided with the side platforms 8, and the third cross rods 9 are located in the top of the frame body and are connected to the vertical rods 2 through buckles, and the upper side of the third cross rods 9 is provided with the top platform 10.

[0030] The third cross rods 9 are connected to the upper end positions of the two vertical rods 2 in the middle, the second cross rods 7 are connected to the upper end positions of the two vertical rods 2 on the two sides, and the lengths of the first cross rods 5 and the second cross rods 7 are greater than the horizontal span of the four channel steels 1, and the two ends of the first cross rods 5 and the second cross rods 7 horizontally protrude, the side small platforms 6, the side platforms 8 and the top platform 10 are all footboards with holes, and the footboards are connected to the cross rods through steel wire binding.

[0031] The frame body is provided with a plurality of scissor braces 12, the scissor braces 12 are connected to the horizontal longitudinal rods 3 through buckles, both ends of the frame body are provided with two cross end inclined braces 11, the lower ends of the end inclined braces 11 are connected to the sweeping rods 4 through buckles, the upper ends of the end inclined braces 11 are connected to the horizontal longitudinal rods 3 through buckles, and the scissor braces 12 and the end inclined braces 11 make the frame body more solid.

[0032] Both ends of the frame body are connected to inclined ladders 13, the upper and lower ends of the inclined ladders 13 are connected to the horizontal longitudinal rods 3 through buckles, and the two horizontal longitudinal rods 3 at the lower part extend out of the frame body by a length and are connected to the lower ends of the inclined ladders 13, the upper ends of the inclined ladders 13 at the two ends of the frame body correspond to the two side platforms 8 on the two sides of the frame body respectively, and the inclined ladders 13 have ladder side guardrails 14 on the two sides of the upper part, and the inclined ladders 13 are located in the half of the end face of the frame body, so that the loader can be close to the frame body.

[0033] The top guarantees the required clearance height for operation, and the two sides guarantee the required clearance distance for operation. The inclined ladders 13 at the two ends are the up and down passages of the rack, and the channel steel 1 at the bottom is the device for moving the rack. Special horizontal rods are arranged at the lower part of the two ends of the rack body, which are the force points of the steel wire rope when the rack is moved. Then the middle part of the steel wire rope is lifted by the bucket teeth of the loader to lift one end of the rack, and then the rack is slowly moved.

[0034] A top guardrail 15 with a height greater than one meter is arranged at the upper part of the rack, and the top guardrail 15 is connected with the end of the second horizontal rod 7 through a fastener. The top guardrail 15 surrounds the side platform 8 and the top platform 10, and is provided with a notch at the position corresponding to the inclined ladder 13. After the rack is erected, it is accepted and put into use after being qualified. Personnel get on the operation platform from the two ends to carry out operations such as reinforcement installation and drainage pipe installation. When it is necessary to move, no one should stand on the rack and no easy-to-fall objects should be placed on the rack. The rack is moved by the loader through the steel wire rope.

[0035] In this embodiment, the vertical rod 2, the horizontal longitudinal rod 3, the sweeping rod 4 and the horizontal rod are all made of steel pipes. After the work is completed, the rack can be disassembled for recycling. This rack provides a way for the construction of other similar projects, realizes the purpose of fast and efficient construction, and meets the requirements of recycling and energy saving. The height and width of the rack can be adjusted according to the size of the tunnel (when the diameter of the tunnel is greater than five meters, the moving force needs to be calculated and prepared), which has strong adaptability.

[0036] A pumped storage power station installs 6 vertical shaft single-stage mixed flow reversible water pump turbines with a single machine capacity of 350 MW, with a total installed capacity of 2100 MW and a rated generating water head of 682 m. The project is a large (1) type first-class project, and the main permanent buildings are designed as level 1 buildings, and the secondary permanent buildings are designed as level 3 buildings. The power station is composed of upper reservoir, lower reservoir, diversion system, underground powerhouse, ground switch station, water supply engineering and other buildings.

[0037] The whole length of the tunnel body section of the upper reservoir water diversion tunnel is 1032 meters, the tunnel body section is a reinforced concrete structure, the concrete pouring adopts the way of continuous pouring by dividing warehouses and joints, the lining adopts a lining trolley, the installation of the steel bars and the drainage pipes adopts the trolley, the installation of the steel bars and the drainage pipes is an important process of the tunnel lining, and restricts the speed of the lining, the size of the tunnel is small, if a profile steel welding trolley is adopted, the profile steel needs to be cut or truncated, about 2 tons of I-shaped steel will be wasted, and the trolley can be quickly set up and moved, and can be removed and recycled in the later period. After calculation, the lining construction of a 1032-meter-long tunnel is saved 4-5 tons of steel materials in total due to the adoption of the method and the construction mode from the middle to the two ends of the two trolleys, the construction efficiency is improved due to the convenience, and the material and labor costs of 45000 yuan are saved. The adoption of the trolley for the installation of the steel bars and the drainage pipes improves the construction efficiency, saves the construction materials, realizes the recycling of the materials, meets the requirements of green construction, has better convenience, economy and adaptability.

[0038] Finally, it should be noted that the above only preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still be modified without the need for creative labor of the technical solutions recorded in the foregoing embodiments, or equivalent replacement of some technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A portable tunnel reinforcement installation bench, characterized by: It comprises several parallel channel steels (1) and a frame body; the frame body comprises several vertical rods (2), several horizontal longitudinal rods (3), several sweeping rods (4) and several cross rods connected by fasteners; the vertical rods (2) are evenly arranged along the channel steels (1) and are vertically connected to the upper sides of the channel steels (1); the frame body is provided with side small platforms (6) on both sides of the middle part, a top platform (10) and two side platforms (8) on the top of the frame body, and the two side platforms (8) are symmetrically arranged on both sides of the top platform (10) and are lower than the top platform (10); the frame body is connected with inclined ladders (13) at both ends.

2. The easy dismountable tunnel reinforcement installation gantry according to claim 1, characterized in that: The horizontal longitudinal rods (3) are parallel to the channel steels (1) and are perpendicular to the vertical rods (2) and are vertically arranged along the vertical rods (2); the horizontal longitudinal rods (3) are connected to the vertical rods (2) by fasteners.

3. The easy dismountable tunnel reinforcement installation gantry according to claim 1, characterized in that: The sweeping rods (4) are perpendicular to the channel steels (1) and are perpendicular to the vertical rods (2); the sweeping rods (4) are connected to the lower parts of the vertical rods (2) by fasteners.

4. The easy dismountable tunnel reinforcement installation gantry according to claim 1, characterized in that: The cross rods are perpendicular to the channel steels (1) and are perpendicular to the vertical rods (2); the cross rods comprise several first cross rods (5) with different heights, several second cross rods (7) and several third cross rods (9); the first cross rods (5) are located in the middle part of the frame body and are connected to the vertical rods (2) by fasteners, and the side small platforms (6) are arranged on the upper sides of both ends of the first cross rods (5); the second cross rods (7) are located in the upper part of the frame body and are connected to the vertical rods (2) by fasteners, and the side platforms (8) are arranged on the upper sides of both ends of the second cross rods (7); the third cross rods (9) are located in the top of the frame body and are connected to the vertical rods (2) by fasteners, and the top platform (10) is arranged on the upper side of the third cross rods (9).

5. The easy dismountable tunnel reinforcement installation gantry according to claim 1, characterized in that: The inclined ladders (13) are connected to the horizontal longitudinal rods (3) by fasteners at the upper and lower ends.

6. The easy dismountable tunnel reinforcement installation bench according to claim 1 or 5, characterized in that: The upper ends of the inclined ladders (13) at both ends of the frame body correspond to the two side platforms (8) on both sides of the frame body.

7. The easy dismountable tunnel reinforcement installation gantry according to claim 1 or 2, characterized in that: The frame body is provided with several scissor braces (12) on the side surfaces, and the scissor braces (12) are connected to the horizontal longitudinal rods (3) by fasteners.

8. The easy dismountable tunnel reinforcement installation bench of claim 1 or 2 or 3, characterized in that: The frame body is provided with end inclined braces (11) at both ends, the lower ends of the end inclined braces (11) are connected to the sweeping rods (4) by fasteners, and the upper ends of the end inclined braces (11) are connected to the horizontal longitudinal rods (3) by fasteners.

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