A trolley for installing dam panel reinforcement and a method for using the trolley

Abstract

The present invention provides a work platform for installing dam panel steel bars and a method for using the work platform, which includes a work platform, a transport bracket is installed on the work platform through a slide rail support, a bracket roller is installed at the bottom of the transport bracket, and a parallel sliding track is installed on the upstream slope dam where the steel cage is to be installed, the sliding track is connected to the slide rail on the work platform, and the transport bracket is supported by rolling to achieve movement; the transport bracket is connected to a winch power device for pulling its movement. The key problems existing in the installation and construction process of dam panel steel bars are effectively solved, and the structure is simple, easy to use, cost-controlled, safe and reliable, and can effectively improve the working environment and increase the installation speed of dam panel steel bars.

Description

Technical Field

[0001] The invention relates to the field of wood loading, unloading and transportation, and in particular to an operating trolley for installing steel bars of a dam panel and a use method thereof. Background Art

[0002] At present, the commonly used method for installing steel bars of dam panels is to transport the processed steel bars to the construction site of the dam's water-facing slope using a special slope transport vehicle, and then manually tie and install them on the slope. However, the more prominent disadvantages of the existing technology are:

[0003] First, the procedures for loading and unloading, transporting, positioning and tying steel bars are complicated, requiring a lot of labor and high construction costs, making it difficult to make significant progress in construction.

[0004] Second, due to the influence of dam slope angle, climate and other conditions, the working environment is poor and effective protective measures cannot be taken, which seriously affects work efficiency and restricts the progress of the project;

[0005] Third, the processes of loading and unloading, transporting, positioning, and quality control of steel bars not only require a large amount of manpower and material resources, but also require strict anti-fall measures, which poses a major safety hazard. Summary of the invention

[0006] The purpose of the present invention is to provide a dam panel steel bar installation work trolley and a method of use to address the above-mentioned defects, effectively solving the key problems existing in the dam panel steel bar installation construction process. The trolley has a simple structure, is easy to use, cost-controlled, safe and reliable, and can effectively improve the working environment and increase the dam panel steel bar installation speed.

[0007] In order to realize the above-mentioned technical features, the object of the present invention is achieved as follows: a work trolley for installing dam panel steel bars, which includes a work platform, a transport bracket is installed on the work platform through a slide rail support, a bracket roller is installed at the bottom of the transport bracket, and parallel sliding rails are installed on the upstream slope dam where the steel cage is to be installed, the sliding rails are connected to the sliding rails on the work platform, and the transport bracket is supported by rolling to achieve movement; the transport bracket is connected to a winch power device for pulling its movement.

[0008] The top of the work platform adopts a slope structure, and its inclination angle is the same as the slope of the upstream slope dam; multiple layers of work platforms are arranged at different heights inside the work platform; a sunshade and rain shelter is fixedly installed on the top of the work platform through supporting columns.

[0009] A movable support mechanism for facilitating its movement is installed at the bottom of the workbench, and the movable support mechanism adopts a ground-mounted roller or a slide rail mechanism; a ventilation and cooling facility for cooling is arranged on the inner top of the sunshade and rainproof awning.

[0010] A steel bar binding platform is arranged on the top of the transport bracket, and the size of the steel bar binding platform matches the bound steel bar cage to be manufactured.

[0011] The sliding track is anchored on the mortar strip concrete of the upstream slope dam through the sliding track anchor bars.

[0012] The hoisting power device includes a hoist fixed on the dam top, a traction wire rope is wound on the hoisting drum of the hoist, the traction wire rope passes around the guide pulley group and is connected to a symmetrically arranged auxiliary traction rope at the end thereof, and the auxiliary traction rope is connected to the traction ring fixed on the front end of the transport bracket through a hook.

[0013] On the upstream slope dam, and at the position where the installed steel cage is to be docked, a jacking and erecting device for lifting and supporting the tied steel cage is provided.

[0014] The jacking and erecting device includes a supporting base plate, a supporting upright plate is fixed on the top of the supporting base plate, a threaded hole plate is fixed on the top of the supporting upright plate, the central threaded hole of the threaded hole plate and the jacking screw form a threaded transmission fit, and a hexagonal head support seat is fixed on the top of the jacking screw.

[0015] The jacking and erecting device adopts a jacking device, which includes a jack. The jack is supported on the upstream slope dam, and a support pad is arranged on the top of the piston rod of the jack.

[0016] The method for using the dam panel steel bar installation operation trolley comprises the following steps:

[0017] Step 1, manufacturing of work trolley: assemble and weld directly at the appropriate position of the dam top using scaffolding steel pipes or steel sections, arrange appropriate graded work platforms according to the requirements of steel bar binding, set up sunshade and rain shelters and install ventilation and cooling facilities according to needs;

[0018] Step 2, sliding track installation: first measure and mark the track installation position on the mortar strip concrete, firmly fix the sliding track on the dam slope installation position with the sliding track anchor bar, adopt the socket connection between the sections, and ensure that the sliding tracks on both sides are parallel and the joints are smooth;

[0019] Step 3, production of transport bracket: It is welded with steel sections on the workbench, and sliding shoes or bracket rollers matching the sliding track are installed according to the sliding mode; at the same time, a certain number of jacking and erecting devices are arranged at appropriate positions to facilitate the placement of the steel cage and enable the transport bracket to be separated from the tied steel cage in time;

[0020] Step 4, layout of winch power device: install the winch in the working platform, arrange the guide pulley at the appropriate position of the dam top, and connect the traction wire rope with the transport bracket;

[0021] Step 5, steel bar binding: transport the prepared steel bars to the vicinity of the working platform, and the winch pulls the transport bracket to the working platform. The steel bars are manually bound using the working platform, and the bound steel bar cage is directly fixed on the transport bracket;

[0022] Step 6, transport of the tied steel cage: use the winch to pull the transport bracket to slowly slide the steel cage along the sliding track to the installation position on the dam slope; the transport height of the tied steel cage should be considered in conjunction with the installation height and the positioning device to facilitate connection with the installed steel cage;

[0023] Step 7, installation of steel cage: After the tied steel cage is transported to the location, the jacking and erecting device is used to adjust the tied steel cage to the installation position, and after it is firmly fixed by welding with inserted steel bars, the connection operation is carried out; at this time, the jacking and erecting device can be adjusted to separate the transport bracket from the tied steel cage, and the winch can be used to pull the transport bracket to the dam top work platform to start the next stage of steel bar binding;

[0024] Step 8, shifting of the working device: after completing the installation of the steel cage of a panel in sequence according to the above three processes of Step 5 to Step 7, it is shifted to the construction working surface of the next panel according to different moving methods and moving support mechanisms.

[0025] The present invention has the following beneficial effects:

[0026] 1. The present invention has a simple structure and is easy to use, which reduces the complicated processes of panel steel bar loading and unloading, transportation, and positioning, and effectively improves the speed of steel bar installation.

[0027] 2. The present invention improves the working environment, optimizes the labor combination, improves work efficiency, ensures quality control, and effectively reduces engineering costs.

[0028] 3. After the construction process of the present invention is simplified and the working environment is improved, many unsafe hidden dangers are eliminated, the labor organization is simple, and safe construction is guaranteed.

[0029] 4. Through the above-mentioned work trolley, the steel cage is first tied on the work platform and then transported and installed, which greatly simplifies the work of tying the steel cage on the dam surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] Figure 1 It is the front view of the present invention.

[0032] Figure 2 For the present invention Figure 1A partial enlarged view of the workbench in the middle.

[0033] Figure 3 It is a left view of the present invention.

[0034] Figure 4 It is a structural diagram of the jacking and erecting device of the present invention.

[0035] In the figure: working platform 1, working platform 2, sunshade and rain shelter 3, mobile support mechanism 4, winch 5, guide pulley block 6, traction wire rope 7, sliding track 8, transport bracket 9, sliding track anchor 10, mortar strip concrete 11, tied steel cage 12, bracket roller 13, jacking erection device 14, installed steel cage 15, dam top 16, support column 17, upstream dam slope 18, traction ring 19, auxiliary traction rope 20;

[0036] Hexagonal head support seat 1401, threaded hole plate 1402, lifting screw 1403, supporting vertical plate 1404, supporting bottom plate 1405. DETAILED DESCRIPTION

[0037] The embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0038] Embodiment 1:

[0039] See also Figure 1-4 A work trolley for installing steel bars on a dam panel comprises a work platform 1, on which a transport bracket 9 is installed through a slide rail support, a bracket roller 13 is installed at the bottom of the transport bracket 9, and a parallel sliding track 8 is installed on the upstream slope dam 18 where the steel cage is to be installed, the sliding track 8 is connected to the slide rail on the work platform 1, and the transport bracket 9 is supported by rolling to achieve movement; the transport bracket 9 is connected to a hoisting power device for towing its movement. By adopting the above-mentioned work trolley, the main process in the steel bar installation process, the steel bar binding work, is divided into sections and tied into a steel cage on the special work platform 1 on the dam top, and the steel cage is slid along the track to the dam slope by using the hoisting power device through the special transport trolley to install it in place, so as to minimize the construction process and operators on the slope.

[0040] Furthermore, the top of the work platform 1 adopts an inclined structure, and its inclination angle is the same as the slope of the upstream slope dam 18; multi-layer work platforms 2 are arranged at different heights inside the work platform 1; and a sunshade and rain shelter 3 is fixedly installed on the top of the work platform 1 through a support column 17. By adopting the above-mentioned work platform 1, a work platform for steel cage bundling can be provided, which can effectively improve the working environment, improve work efficiency, reduce unsafe factors, reduce cumbersome steel bar loading and unloading, transportation and other links, and is conducive to construction speed and quality control. The work efficiency on the platform is high, the construction process is intuitive and visible, and the project cost is effectively reduced, the labor organization is optimized, and the construction process is simplified.

[0041] Furthermore, a mobile support mechanism 4 is installed at the bottom of the work platform 1 to facilitate its movement, and the mobile support mechanism 4 adopts a ground roller or a slide rail mechanism; the inner top of the sunshade and rainproof awning 3 is provided with a ventilation and cooling facility for cooling. By adopting the mobile support mechanism 4, it is convenient to move the entire work platform 1 to the next work warehouse surface after the installation of one work warehouse surface is completed.

[0042] Furthermore, a steel bar binding platform is provided on the top of the transport bracket 9, and the size of the steel bar binding platform matches the bound steel bar cage 12 to be manufactured. The steel bar binding platform can facilitate the workers to bind the steel bar cage.

[0043] Furthermore, the slide track 8 is anchored on the mortar strip concrete 11 of the upstream slope dam 18 through the slide track anchor bar 10. Through the above-mentioned installation and fixing method, the reliability of the fixed installation of the slide track 8 is guaranteed.

[0044] Furthermore, the hoisting power device includes a hoisting machine 5 fixed on the dam top 16, and a traction wire rope 7 is wound on the hoisting drum of the hoisting machine 5. The traction wire rope 7 passes around the guide pulley group 6, and is connected to a symmetrically arranged auxiliary traction rope 20 at its end, and the auxiliary traction rope 20 is connected to the traction ring 19 fixed to the front end of the transport bracket 9 through a hook. The above-mentioned hoisting power device can be used to provide power for the movement of the trolley. During the working process, the traction wire rope 7 is driven by the hoisting machine 5, and the traction wire rope 7 drives the auxiliary traction rope 20, and then the transport bracket 9 connected thereto is driven by the auxiliary traction rope 20 to move along the sliding track 8.

[0045] Furthermore, a jacking and erecting device 14 for lifting and supporting the tied steel cage 12 is provided on the upstream slope dam 18 and at the position to be connected with the installed steel cage 15.

[0046] Furthermore, the lifting and erecting device 14 includes a supporting base plate 1405, a supporting upright plate 1404 is fixed on the top of the supporting base plate 1405, a threaded hole plate 1402 is fixed on the top of the supporting upright plate 1404, the central threaded hole of the threaded hole plate 1402 and the lifting screw 1403 form a threaded transmission match, and a hexagonal head support seat 1401 is fixed on the top of the lifting screw 1403. Through the above-mentioned lifting and erecting device 14, the tied steel cage 12 can be lifted after it is in place, thereby facilitating its docking installation, and ensuring that the transport bracket 9 can be easily pulled out for the next transportation. In the specific working process, through the threaded transmission match between the lifting screw 1403 and the threaded hole plate 1402, it is ensured that the hexagonal head support seat 1401 is lifted and lowered during the rotation process, thereby effectively lifting the tied steel cage 12 supported on the top thereof.

[0047] Further, the lifting and erecting device 14 adopts a jack lifting device, including a jack, and the jack is supported on the upstream slope dam 18, and a support pad is provided on the top of the piston rod. The tied steel cage 12 can be effectively lifted by the above jack.

[0048] Embodiment 2:

[0049] The method for using the dam panel steel bar installation operation trolley comprises the following steps:

[0050] Step 1, manufacturing of the work trolley: assemble and weld the scaffolding steel pipe or steel directly at the appropriate position of the dam top 16, and arrange the appropriate graded work platform 2 according to the requirements of steel bar binding, set up the sunshade and rainproof shed 3 according to the needs, and install ventilation and cooling facilities;

[0051] Step 2, installation of the sliding track 8: first, measure and mark the track installation position on the mortar strip concrete 11, firmly fix the sliding track 8 on the dam slope installation position with the sliding track anchor 10, adopt the socket connection between the sections, and ensure that the sliding tracks 8 on both sides are parallel and the joints are smooth;

[0052] Step 3, production of transport bracket 9: welded with steel on the workbench 1, and installed with sliding shoes or bracket rollers 13 matching the sliding track 8 according to the sliding mode; at the same time, a certain number of jacking and erecting devices 14 are arranged at appropriate positions, so that the transport bracket 9 can be separated from the tied steel cage 12 in time while facilitating the placement of the steel cage;

[0053] Step 4, arrangement of the hoisting power device: install the hoisting machine 5 in the working platform 1, arrange the guide pulley 6 at a suitable position on the dam top 16, and connect the traction wire rope 7 with the transport bracket 9;

[0054] Step 5, steel bar binding: the prepared steel bars are transported to the vicinity of the working platform 1, the winch 5 pulls the transport bracket 9 onto the working platform 1, the working platform 1 is used manually to bind the steel bars, and the bound steel bar cage 12 is directly fixed on the transport bracket 9;

[0055] Step 6, transport of the tied steel cage 12: using the winch 5 to pull the transport bracket 9 to slowly slide the steel cage 12 along the slide track 8 to the dam slope to be installed; the transport height of the tied steel cage 12 should be considered in conjunction with the installation height and the positioning device to facilitate connection with the installed steel cage 15;

[0056] Step 7, installation of steel cage: After the tied steel cage 12 is transported to the position, the jacking erection device 14 is used to adjust the tied steel cage 12 to the installation position, and after it is firmly fixed by welding with inserted steel bars, the connection operation is performed; at this time, the jacking erection device 14 can be adjusted to separate the transport bracket 9 from the tied steel cage 12, and the winch 5 pulls the transport bracket 9 to the dam top work platform 1, and the next stage of steel bar binding begins;

[0057] Step 8, shifting of the working device: after completing the installation of the steel cage of a panel in sequence according to the above three processes of Step 5 to Step 7, it is shifted to the construction working surface of the next panel according to different moving modes and the mobile support mechanism 4.

Claims

1. A trolley for installing dam panel reinforcement, characterized in that: It comprises an operating platform (1), a transport bracket (9) is mounted on the operating platform (1) via a slide rail support, a bracket roller (13) is mounted on the bottom of the transport bracket (9), a parallel sliding track (8) is mounted on an upstream slope dam (18) where a steel cage is to be installed, the sliding track (8) is connected to the slide rail on the operating platform (1) and provides rolling support for the transport bracket (9) to achieve movement; the transport bracket (9) is connected to a hoisting power device for pulling the transport bracket (9) to move; The top of the work platform (1) adopts a slope structure, and its inclination angle is the same as the slope of the upstream slope dam (18); multiple layers of work platforms (2) are arranged at different heights inside the work platform (1); and a sunshade and rainproof awning (3) is fixedly installed on the top of the work platform (1) via a supporting column (17); The hoisting power device comprises a hoist (5) fixed on the dam top (16), a traction wire rope (7) is wound on the hoist drum of the hoist (5), the traction wire rope (7) is passed around the guide pulley block (6), and a symmetrically arranged auxiliary traction rope (20) is connected to the end thereof, and the auxiliary traction rope (20) is connected to a traction ring (19) fixed on the front end of the transport bracket (9) through a hook; A jacking erection device (14) for lifting and supporting the tied steel cage (12) is provided on the upstream slope dam (18) and at a position to be docked with the installed steel cage (15); The lifting and erecting device (14) comprises a supporting base plate (1405), a supporting upright plate (1404) is fixed on the top of the supporting base plate (1405), a threaded hole plate (1402) is fixed on the top of the supporting upright plate (1404), a central threaded hole of the threaded hole plate (1402) and a lifting screw (1403) form a threaded transmission fit, and a hexagonal head support seat (1401) is fixed on the top of the lifting screw (1403).

2. According to claim 1, a trolley for installing dam panel reinforcement is characterized in that: A movable support mechanism (4) is installed at the bottom of the workbench (1) for facilitating its movement, and the movable support mechanism (4) adopts a ground-mounted roller or a slide rail mechanism; a ventilation and cooling facility for cooling is arranged at the inner top of the sunshade and rainproof awning (3).

3. According to claim 2, a trolley for installing dam panel reinforcement is characterized in that: A steel bar bundling platform is provided on the top of the transport bracket (9), and the size of the steel bar bundling platform matches the bound steel bar cage (12) to be manufactured.

4. The trolley for installing dam panel reinforcement according to claim 3 is characterized in that: The sliding track (8) is anchored to the mortar strip concrete (11) of the upstream slope dam (18) via the sliding track anchor bars (10).

5. The trolley for installing dam panel reinforcement according to claim 3 is characterized in that: The jacking erection device (14) adopts a jacking device, comprising a jack, wherein the jack is supported on the upstream slope dam (18), and a support pad is arranged on the top of the piston rod of the jack.

6. The method for using the work trolley for installing dam panel reinforcement according to any one of claims 4 to 5 is characterized in that: The following steps are involved: Step 1, manufacturing of the work trolley: assemble and weld the scaffolding steel pipes or steel sections directly at the appropriate position of the dam top (16), arrange the appropriate graded work platform (2) according to the requirements of steel bar binding, set up the sunshade and rainproof awning (3) as required, and install ventilation and cooling facilities; Step 2, installation of the sliding track (8): firstly, measure and mark the track installation position on the mortar strip concrete (11), firmly fix the sliding track (8) on the installation position of the dam slope with the sliding track anchor bar (10), adopt the socket-type connection between the sections, and ensure that the sliding tracks (8) on both sides are parallel and the joints are smooth; Step 3, manufacturing the transport bracket (9): the transport bracket (9) is welded on the workbench (1) with steel sections, and a sliding shoe or bracket roller (13) matching the sliding track (8) is installed according to the sliding mode; at the same time, a certain number of jacking and erecting devices (14) are arranged at appropriate positions to facilitate the placement of the steel cage and enable the transport bracket (9) to be separated from the tied steel cage (12) in time; Step 4, arrangement of the hoisting power device: install the hoisting machine (5) in the working platform (1), arrange the guide pulley block (6) at a suitable position on the dam top (16), and connect the traction wire rope (7) with the transport bracket (9); Step 5, steel bar binding: the prepared steel bars are transported to the vicinity of the working platform (1), the winch (5) pulls the transport bracket (9) onto the working platform (1), the steel bars are manually bound using the working platform (1), and the bound steel bar cage (12) is directly fixed on the transport bracket (9); Step 6, transport of the tied steel cage (12): using the winch (5) to pull the transport bracket (9) to slowly slide the tied steel cage (12) along the slide track (8) to the installation position on the dam slope; the transport height of the tied steel cage (12) should be considered in conjunction with the installation height and the positioning device to facilitate connection with the installed steel cage (15); Step 7, installation of the steel cage: After the tied steel cage (12) is transported to the position, the tied steel cage (12) is adjusted to the installation position by using the jacking erection device (14), and after being firmly fixed by welding with inserted steel bars, the connection operation is performed; at this time, the jacking erection device (14) can be adjusted to separate the transport bracket (9) from the tied steel cage (12), and the winch (5) pulls the transport bracket (9) to lift it onto the dam top work platform (1), and the next stage of steel bar binding begins; Step 8, shifting of the working device: after the steel cage of one panel is installed in sequence according to the above three processes of Step 5 to Step 7, it is shifted to the construction working surface of the next panel according to different moving modes and the moving support mechanism (4).

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