Platform for bridge engineering bent cap construction
Technical Field
The utility model relates to the technical field of bridge engineering, in particular to a platform for bridge engineering bent cap construction.
Background
Currently, the lower structure of a reinforced concrete beam-type bridge is generally composed of three parts, namely a capping beam, pier studs and pile foundations. The capping beam is a bearing member for placing the bridge beam slab and plays a role in 'up-down' and 'up-down'. The capping beam is erected on the upper portion of the pier column in the transverse bridge direction, is connected with the pier column into a whole, transmits all loads from the upper structure of the bridge to the pier column, and transmits all loads to the rock layer through the pier column and the pile foundation.
Through examining, disclosed the construction platform of a bridge bent cap in the chinese patent of application number CN201821820147.5, including the cover establish staple bolt subassembly and connect the beam assembly in staple bolt subassembly top on the pier stud, the beam assembly on be equipped with the template subassembly that is used for pouring the bent cap, beam assembly both sides be equipped with the platform subassembly, utilize the bridge pier stud to set up this whole construction platform, can not receive the restriction of topography environmental conditions such as river course place, pier stud height, satisfy energy-conserving, environmental protection requirement to beam assembly both sides be equipped with the platform subassembly, provide safe comfortable operational environment, reduce construction personnel intensity of labour, improve the work efficiency, save construction cost, because there is the platform subassembly to control quality and safety easily, improve the degree of refining of construction greatly.
However, the existing construction platform is generally provided with a construction platform, but in order to meet the construction conditions of a long distance, the construction platform is generally large in size, resulting in inconvenient installation and transportation of the construction platform.
Disclosure of Invention
The utility model aims to solve the defects that the existing construction platform is generally provided with the construction platform, but the construction platform is large in size to meet long-distance construction conditions, so that the construction platform is inconvenient to install and transport, and provides a platform for construction of a bridge engineering bent cap.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a platform that bridge engineering bent cap construction was used, includes the walking board, the roof both sides position of walking board is fixed mounting respectively has the guardrail, two demountable installation has a plurality of pin between the guardrail, the second installation piece is installed respectively to the both sides of guardrail, the third screw hole has been seted up on the outer wall of second installation piece, fixed mounting has the mounting bracket on the diapire of walking board, the outside of mounting bracket is provided with the arc fixed plate, and the mounting bracket passes through the bolt splice in an organic whole with the arc fixed plate for install the walking board on the bridge pier stud;
the inside sliding connection of walking board has two extension platforms, two fixed mounting has two first installation pieces on the lateral wall of extension platform, two the extension platform is opposite direction outwards extension.
The technical scheme further comprises the following steps: the stop lever comprises a movable rod and a sleeve, wherein the movable rod is connected to the inner wall of the sleeve in a sliding mode, a plurality of fixing holes are formed in the outer wall of the movable rod, threaded holes are formed in the sleeve, fixing bolts are connected in the threaded holes in a threaded mode, and the fixing bolts are movably mounted in the fixing holes.
The movable rod with the fourth screw hole has all been seted up at telescopic both ends, the inner wall threaded connection of fourth screw hole has adjusting screw, fixed mounting has the regulation swivel plate on adjusting screw's the outer wall, adjusting screw keep away from the one end screw thread of fourth screw hole install in on the inner wall of third screw hole.
The ball groove is formed in the outer wall of the second installation block and the outer wall of the first installation block, the ball rod is connected to the inner wall of the ball groove in a rotating mode, the first rotating block is fixedly arranged at the end portion of the ball rod located on the first installation block, the first threaded hole is formed in the first rotating block, the second rotating block is fixedly arranged at the end portion of the ball rod located on the second installation block, and the second threaded hole is formed in the second rotating block.
Two jacks are formed in the outer wall of the extension table and are used for plugging and installing L-shaped railings.
And a locking screw rod used for fixing the extension table is arranged on the side wall of the walking plate in a threaded manner.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the space of the travelling plates can be expanded through the arranged extension plates, and when the construction is performed, the two extension plates are pulled out from the inside of the travelling plates to two sides, so that the space of the travelling plates is increased, the construction space is increased for constructors, the bridge construction is facilitated, and the construction efficiency of the bridge bent cap is improved.
2. According to the utility model, the detachable stop lever is arranged, after the extension plate extends out, the length of the stop lever can be adjusted, and then the two ends of the stop lever are arranged on the first rotating block and the second rotating block, so that the extension plate can be reinforced by the stop lever, the stability of the extension plate is improved, and the safety of constructors in construction on the extension plate is further improved.
Drawings
FIG. 1 is a schematic view of a first overall structure of the present utility model;
FIG. 2 is a schematic diagram of a second overall structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of the present utility model;
FIG. 4 is a schematic structural view of a stop lever;
FIG. 5 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 1;
FIG. 7 is an enlarged schematic view of FIG. 3C;
fig. 8 is an enlarged schematic view of the structure at D in fig. 4.
In the figure:
10. a walking board; 20. an extension table; 21. a first mounting block; 22. a first rotating block; 23. a first threaded hole; 24. a locking screw; 25. a jack; 30. a stop lever; 31. a movable rod; 32. a sleeve; 33. a fixing bolt; 34. a fixing hole; 35. adjusting the rotating plate; 36. adjusting a screw; 37. a fourth threaded hole; 40. guard bars; 41. a second mounting block; 42. a second rotating block; 43. a second threaded hole; 44. a third threaded hole; 51. a ball head rod; 52. a ball groove; 61. a mounting frame; 62. an arc-shaped fixing plate.
Detailed Description
The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.
Example 1
Referring to fig. 1-8, the platform for bridge engineering bent cap construction provided by the utility model comprises a walking board 10, wherein guardrails 40 are respectively and fixedly arranged at two sides of the top wall of the walking board 10, second mounting blocks 41 are respectively arranged at two sides of each guardrail 40, and third threaded holes 44 are formed in the outer wall of each second mounting block 41;
a plurality of stop bars 30 are detachably arranged between the two guardrails 40, and the stop bars 30 are used for enclosing the platform of the walking board 10 in a closed mode, so that the safety of construction staff in the construction process is improved.
The stop lever 30 comprises a movable rod 31 and a sleeve 32, the movable rod 31 is slidably connected to the inner wall of the sleeve 32, a plurality of fixing holes 34 are formed in the outer wall of the movable rod 31, threaded holes are formed in the sleeve 32, fixing bolts 33 are connected in the threaded holes in a threaded mode, the fixing bolts 33 are movably mounted in the fixing holes 34, when the fixing bolts 33 move to the inside of the fixing holes 34, the movable rod 31 and the sleeve 32 are fixed, namely, the length of the stop lever 30 cannot be adjusted, and two ends of the stop lever 30 can be mounted at two ends of the first rotating block 22 and the second rotating block 42 through adjusting the length of the stop lever 30, so that the stop lever can be used for reinforcing the extension table 20.
A fourth threaded hole 37 is formed in both ends of the movable rod 31 and the sleeve 32, an adjusting screw 36 is connected to the inner wall of the fourth threaded hole 37 in a threaded manner, an adjusting rotating plate 35 is fixedly arranged on the outer wall of the adjusting screw 36, and one end, far away from the fourth threaded hole 37, of the adjusting screw 36 is arranged on the inner wall of a third threaded hole 44 in a threaded manner; wherein the adjusting rotating plate 35 is arranged here to facilitate the rotation of the adjusting screw 36, thereby facilitating the continued fixation of the bar 30.
A mounting frame 61 is fixedly arranged on the bottom wall of the walking board 10, and an arc-shaped fixing plate 62 is arranged outside the mounting frame 61; wherein, the lateral wall of mounting bracket 61 is the arc, and the shape of arc fixed plate 62 is the arc, and mounting bracket 61 and arc fixed plate 62 splice in an organic wholely through the bolt for install the bridge pier with walking board 10 on, when fixed, with the arc mouth card of mounting bracket 61 in one side of bridge pier, then with the opposite side of arc fixed plate 62 joint at bridge pier to fix through the bolt, thereby can be fixed in the bridge pier with the device on.
The inside sliding connection of walking board 10 has two extension platform 20, and two first installation piece 21 of fixed mounting have on extension platform 20's the lateral wall, and two extension platform 20 are outside extension in opposite direction, and two extension platform 20 are used for expanding the area of walking board 10, and when constructing like this, the staff can remove the farther distance and construct to improve the area of construction.
The outer walls of the second installation block 41 and the first installation block 21 are respectively provided with a ball groove 52, the inner wall of the ball groove 52 is rotationally connected with a ball head rod 51, the end part of the ball head rod 51 positioned on the first installation block 21 is fixedly provided with a first rotating block 22, the first rotating block 22 is provided with a first threaded hole 23, the end part of the ball head rod 51 positioned on the second installation block 41 is fixedly provided with a second rotating block 42, and the second rotating block 42 is provided with a second threaded hole 43; when the extension platform 20 is used, the stop lever 30 can be detached from the guardrail 40, after the stop lever 30 is detached, the length of the stop lever 30 can be adjusted, after the length is adjusted, the ends of the movable rod 31 and the sleeve 32, which are far away from each other, namely, the two ends of the stop lever 30 are respectively arranged in the second threaded hole 43 and the first threaded hole 23, and the installation of the stop levers 30 is sequentially completed, so that the extension platform 20 can be reinforced through the stop lever 30, the stability of the extension platform 20 is improved, and the protection of the constructor is improved when the constructor works on the extension platform 20.
Two jacks 25 are formed on the outer wall of the extension table 20; wherein, the jack 25 that sets up here can be used to peg graft the installation L type railing, provides the fender for extending the side of platform 20 through L type railing to improve the protection to constructor.
A locking screw 24 for fixing the extension table 20 is mounted on the side wall of the walking board 10 in a threaded manner; wherein, when not using extension table 20, withdraw extension table 20 to the inside of walking board 10, then rotatory locking screw 24, with locking screw 24 top tightly on extension table 20's lateral wall to fixed extension table 20, the transportation of convenient device.
In this embodiment, the working principle of the device is as follows: when the device is used, the device is fixed on a bridge pier column through the mounting frame 61 and the arc-shaped fixing plate 62, then a worker can stand on the walking plate 10 to perform bridge capping beam construction, when the worker needs to extend the construction outwards, the locking screw 24 can be rotated anticlockwise, the locking screw 24 is released to fix the extension table 20, then the extension table 20 is pulled outwards, after the extension table 20 is moved to a proper position, the adjusting rotating plate 35 on the stop lever 30 can be rotated, the adjusting screws 36 at two ends of the stop lever 30 are moved out of the third threaded holes 44 at two sides, so that the stop lever 30 is taken down from the guardrail 40, then the length of the adjusting stop lever 30 is adjusted to a proper length, and then the two ends of the stop lever 30 are respectively installed on the first rotating block 22 and the second rotating block 42, namely the adjusting screws 36 at the ends of the movable lever 31 and the sleeve 32 are respectively installed in the first threaded holes 23 and the second threaded holes 43, so that the stop lever 30 is used for supporting the extension table 20, and the stability of the extension table 20 in use is improved;
the device can realize expanding the space of the walking board through the extension table 20, thereby increasing the space of the walking board 10, further increasing the construction space for constructors, facilitating the bridge construction, improving the construction efficiency of the bridge capping beam and improving the practicability of the device.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.