Simple construction trolley for pavement drainage ditch

Abstract

According to the simple construction trolley for the road surface drainage ditch, the wide-flange H-shaped steel is assembled to form the trolley frame body in a welding and bolt connecting mode, meanwhile, the steel formwork is arranged on the top of the trolley, enough loads are provided for construction operation of a top plate, and the pouring quality of the top plate of the drainage ditch is guaranteed. The track is arranged at the bottom of the trolley, the trolley is driven by the motor to move back and forth along the track, the whole trolley is jacked to the elevation position of the bottom of a drainage ditch through the jacking mechanism after the trolley advances to a pouring bin face during construction, and an operation platform is provided for constructors; therefore, the concrete pouring device is convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering, and specifically relates to a simple construction trolley for pavement drainage ditch. BACKGROUND

[0002] Because wood formwork has the advantages of light material, low cost, easy bending forming and the like, currently the main structure of the pavement drainage ditch of the airport at home and abroad usually adopts such formwork, but the strength of the wood formwork is low and is easy to damage, therefore more maintenance and replacement are needed in the construction process, which increases the construction cost and reduces the construction efficiency. In addition, the aging and decay of the wood formwork can also cause the joint to be not tight, affect the forming quality of the concrete, and even cause structural safety problems.

[0003] While the wood formwork is adopted, a scaffold is also needed to be erected, and load calculation of the carrying capacity of the scaffold is needed before construction, and if the dangerous engineering standard is reached, special demonstration is also needed, which consumes huge resources and is complicated. UTILITY MODEL CONTENT

[0004] In order to ensure the pouring quality of the pavement drainage ditch, improve the construction safety, reduce the construction cost and speed up the construction efficiency, the utility model provides a simple construction trolley for pavement drainage ditch, which can be applied to the construction of the pavement drainage ditch of the airport and the construction of similar other pavement drainage ditches, such as the expressway.

[0005] In order to achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A simple construction trolley for pavement drainage ditch, comprising a steel formwork, a steel structure frame body, a moving mechanism and a jacking mechanism, the top of the steel structure frame body is provided with the steel formwork, and the bottom of the steel structure frame body is provided with the moving mechanism and the jacking mechanism, wherein:

[0007] The steel structure frame body comprises a lower bearing base, an upper structure beam and a support column connected between the lower bearing base and the upper structure beam, and the upper structure beam comprises a top longitudinal beam and a top transverse beam arranged in intersection; the lower bearing base comprises a fixedly connected bottom transverse beam and a bottom longitudinal stiffening beam;

[0008] The moving mechanism comprises a track wheel fixed below the lower bearing base, a track matched with the track wheel and a motor driving the track wheel to move;

[0009] The jacking mechanism is arranged below the lower bearing base, so as to lift the trolley to the construction position.

[0010] Further, the top longitudinal beam and the top transverse beam are 90 degrees intersected, and the top longitudinal beam or the top transverse beam is detachably connected with the support column at 90 degrees.

[0011] Further, the top longitudinal beam is located above the top transverse beam, and the top transverse beam is fixed on the upper end of the support column through a hexagonal bolt.

[0012] Further, the bottom transverse beam and the bottom longitudinal stiffener are fixedly connected at 90 degrees.

[0013] Further, the bottom transverse beam is a plurality of bottom transverse beams, and the bottom longitudinal stiffener is fixedly connected between each of the bottom transverse beams.

[0014] Further, the driving motor is installed at the end of the first bottom transverse beam and the last bottom transverse beam.

[0015] Further, the steel formwork is a rectangular steel formwork, and the two short sides of the steel formwork are bent downward.

[0016] Further, the jacking mechanism is arranged below the bottom transverse beam.

[0017] Further, the jacking mechanism is a hydraulic jack.

[0018] Further, a plurality of jacking mechanisms are arranged below the bottom transverse beam in a linear arrangement.

[0019] The utility model has the advantages of the following beneficial effects:

[0020] The pavement drainage ditch simple construction trolley in the utility model has the advantages of simple structure, convenient operation, quick installation and removal, and the main materials are made of wide flange H-shaped steel and steel plates, can be made in a field reinforcing mill, and the main structure can be assembled in the reinforcing mill or a construction site according to actual needs.

[0021] In addition, the trolley moves forward and backward through the driving motor, speeds up the construction efficiency, reduces the labor and material loss and other costs caused by the removal of the formwork and the scaffold, and simultaneously, the steel formwork has higher strength and bearing capacity than the wooden formwork, can bear more variable loads such as materials and personnel, and the prefabricated steel formwork can replace the traditional wooden formwork as the working surface of the drainage ditch top plate, and can improve the safety guarantee during construction. DRAWINGS

[0022] Figure 1 is the trolley working state diagram of the utility model;

[0023] Figure 2 This is a three-dimensional view of the steel structure frame of this utility model;

[0024] Figure 3 This is the front elevation view of this utility model;

[0025] Figure 4 This is a side elevation view of the present invention;

[0026] Figure 5 This is a top view of the steel structure frame of this utility model;

[0027] Figure 6 This utility model relates to a track wheel and a track.

[0028] Figure 7 This is the drive motor of this utility model;

[0029] Figure 8 This is the ejection mechanism of this utility model.

[0030] In the diagram: 1-Steel formwork, 2-Steel structural frame, 21-Lower load-bearing base, 22-Upper structural beam, 201-Top longitudinal beam, 202-Top transverse beam, 203-Hex bolt, 204-Support column, 205-Bottom transverse beam, 206-Bottom longitudinal stiffening beam, 3-Moving mechanism, 301-Rail wheel, 302-Rail, 303-Motor, 4-Lifting mechanism. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. This description is only a preferred embodiment of the present utility model and is not intended to limit the scope of protection of the present utility model. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0032] Example 1

[0033] like Figure 1 As shown, the simple construction trolley for pavement drainage ditches includes a steel formwork 1, a steel frame 2, a moving mechanism 3, and a lifting mechanism 4. The steel formwork 1 is mounted on top of the steel frame 2, and the moving mechanism 3 and the lifting mechanism 4 are mounted on the bottom of the steel frame 2. This trolley can be used for the construction of drainage ditches on airport pavements and highway pavements. The steel formwork 1 is a prefabricated product, formed by concrete casting. A rectangular steel formwork is preferred, with the two shorter sides of the rectangle bent downwards at 45° to meet the shaping requirements of the concrete at the top and chamfered corners of the drainage ditch.

[0034] For the specific structure of steel frame 2, please refer to Figures 2-5The steel frame 2 includes a lower load-bearing base 21, an upper structural beam 22, and a support column 204 connecting the lower load-bearing base 21 and the upper structural beam 22. The upper structural beam 22 includes a top longitudinal beam 201 and a top transverse beam 202 that intersect each other. The lower load-bearing base 21 includes a bottom transverse beam 205 and a bottom longitudinal stiffening beam 206 that are fixedly connected.

[0035] Specifically, the top longitudinal beam 201 and the top transverse beam 202 intersect at a 90-degree angle. To ensure the overall structural stability of the trolley, the intersection is fixed with hexagonal bolts 203. The top longitudinal beam 201 or the top transverse beam 202 is detachably connected to the support column 204 at a 90-degree angle. For example, the top longitudinal beam 201 is placed above the top transverse beam 202, and the top transverse beam 202 is fixed to the upper end of the support column 204 with hexagonal bolts 203. The steel formwork 1 is placed on top of the top longitudinal beam 201, and under its own weight, the steel formwork 1 is relatively stably erected on top of the steel structure frame 2.

[0036] The bottom crossbeam 205 and the bottom longitudinal stiffening beam 206 are fixedly connected at a 90-degree angle. There are multiple bottom crossbeams 205, and each bottom crossbeam 205 is fixedly connected to the bottom longitudinal stiffening beam 206 to improve the overall stability of the trolley.

[0037] refer to Figures 6-7 The moving mechanism 3 includes a track wheel 301 fixed below the lower load-bearing base 21, a track 302 adapted to the track wheel 301, and a motor 303 driving the track wheel 301. Specifically, the track wheel 301 is fixed below the bottom crossbeam 205, and the track 302 is parallel to the bottom longitudinal stiffening beam 206, providing a path for the trolley to move back and forth. The motor 303 driving the track wheel 301 is installed at the ends of the first and last bottom crossbeams 205, thereby driving the trolley to travel along the track 302 to the position where construction is required.

[0038] Lifting Mechanism 4 Reference Figure 8 The lifting mechanism 4 is preferably a hydraulic jack. The lifting mechanism 4 is located below the lower load-bearing base 21, specifically below the bottom crossbeam 205. After the trolley moves to the surface to be poured, the lifting mechanism 4 lifts the entire trolley structure to the elevation of the top slab of the drainage ditch, providing a working surface with sufficient strength for the binding of the top slab reinforcement and the pouring of concrete.

[0039] The aforementioned simple construction trolley for the pavement drainage ditch will first excavate the working face according to the on-site construction plan, and then lay track 302. Track 302 will be assembled after the concrete subbase of the drainage ditch is poured, and the subbase should ensure sufficient flatness and stability.

[0040] The steel structure frame body 2 is composed of three parts, namely, a lower load-bearing base 21, a support column 204 and an upper structure beam 22. The lower load-bearing base 21 is welded by a bottom cross beam 205 and a bottom longitudinal stiffener 206, the support column 204 is fixed on the upper end of the bottom cross beam 205 through a hexagonal bolt 203, and the upper structure beam 22 is composed of a top cross beam 202 and a top longitudinal beam 201, the top cross beam 202 is fixed on the upper end of the support column 201 through the hexagonal bolt 203, and after the lower steel structure is fixed, the top longitudinal beam 201 is placed vertically at 90° on the upper end of the top cross beam 202.

[0041] The steel structure frame body 2 adopts wide flange H-shaped steel HW150cm*150cm*7cm*10cm, welding is adopted between the lower load-bearing base longitudinal and horizontal H-shaped steel, the hexagonal bolt 203 is adopted to connect between the bottom cross beam 205, the support column 204 and the bottom cross beam 205, and after the whole is fixed firmly, the top longitudinal beam 201 is placed vertically at 90° on the top cross beam 202 at an interval of 1m-1.5m.

[0042] The track wheel 301 is installed at the bottom end of the lower load-bearing base 21, and the driving motor 303 is installed at the end of the first and last bottom cross beams 205, so that the whole trolley can move forward and backward.

[0043] After the steel structure is assembled, the steel formwork 1 is placed on the upper part of the top longitudinal beam 201.

[0044] The utility model adopts wide flange H-shaped steel, and forms the trolley frame body through welding and bolt connection mode, simultaneously, the steel formwork is arranged on the top of the trolley, which provides sufficient load for the construction operation of the top plate and guarantees the pouring quality of the top plate of the drainage ditch. The drainage ditch arrangement of the domestic airport pavement is usually designed as a straight line, in order to facilitate construction, improve work efficiency and reduce construction cost, the track is arranged at the bottom of the trolley, and the trolley moves forward and backward along the track through the motor drive, when the trolley is advanced to the pouring bin surface during construction, the hydraulic jack is used to lift the whole trolley to the bottom elevation position of the drainage ditch, which provides the operation platform for the construction personnel, when the top plate concrete curing is completed, the jack is lowered to make the trolley descend and advance to the next pouring bin surface.

[0045] Example 2

[0046] A pavement drainage ditch simple construction trolley, which comprises a steel formwork 1, a steel structure frame body 2, a moving mechanism 3 and a lifting mechanism 4, the top of the steel structure frame body 2 is provided with the steel formwork 1, and the bottom of the steel structure frame body 2 is provided with the moving mechanism 3 and the lifting mechanism 4. The steel formwork 1 is a prefabricated steel formwork, which is of a rectangular structure, and the two short sides of the rectangle are bent downward to 30°.

[0047] The steel structure frame body 2 comprises a lower load-bearing base 21, an upper structure beam 22, and a support column 204 connected between the lower load-bearing base 21 and the upper structure beam 22, wherein the upper structure beam 22 comprises a top longitudinal beam 201 and a top transverse beam 202 intersected with each other, and the lower load-bearing base 21 comprises a bottom transverse beam 205 and a bottom longitudinal stiffener 206 fixedly connected.

[0048] Specifically, the top longitudinal beam 201 and the top transverse beam 202 are intersected at 90 degrees, and a hexagonal bolt 203 is used for fixing the intersection to ensure the stability of the overall structure of the trolley. The top longitudinal beam 201 or the top transverse beam 202 is detachably connected with the support column 204 at 90 degrees, for example, the top transverse beam 202 is placed above the top longitudinal beam 201, and the top longitudinal beam 201 is fixed on the upper end of the support column 204 by the hexagonal bolt 203. The steel formwork 1 is placed on the upper part of the top transverse beam 202, and is stably erected on the top of the steel structure frame body 2 under the action of its own gravity.

[0049] During assembly, the top transverse beam 202 is stably placed on the upper part of the top longitudinal beam 201 to form the upper structure beam 22, and the top transverse beam 202 is placed on the upper part of the support column 204 and fixed by the hexagonal bolt 203. The bottom longitudinal stiffener 206 is formed by welding with the bottom transverse beam 205 to form the lower load-bearing base 21, the lower end of the support column 204 is fixed on the lower load-bearing base 21 by the hexagonal bolt 203, and the upper end of the support column 204 is fixed on the top longitudinal beam 201 by the hexagonal bolt 203.

[0050] The bottom transverse beam 205 and the bottom longitudinal stiffener 206 are welded at 90 degrees, and the bottom transverse beam 205 is a plurality of, for example, 3 or 4 or 5, and the bottom longitudinal stiffener 206 is fixedly connected between each of the bottom transverse beams 205 to improve the stability of the overall trolley.

[0051] The moving mechanism 3 comprises a track wheel 301 fixed below the lower load-bearing base 21, a track 302 matched with the track wheel 301, and a motor 303 for driving the track wheel 301 to move. Specifically, the track wheel 301 is fixed below the bottom transverse beam 205, the track 302 is parallel to the bottom longitudinal stiffener 206 to provide a path for the front and rear movement of the trolley, and the motor 303 for driving the track wheel 301 is installed at the end of the first bottom transverse beam 205 and the last bottom transverse beam 205 to drive the track wheel 301 and thus drive the trolley to move along the track 302 to the position where construction is needed.

[0052] The jacking mechanism 4 is a hydraulic jack. The jacking mechanism 4 is arranged below the lower load-bearing base 21, specifically below the bottom transverse beam 205.

[0053] Embodiment 3

[0054] This embodiment is further improved on the basis of embodiment 3, 2 said jacking mechanisms 4 are arranged in linear arrangement under each bottom cross beam 205, and 2 jacking mechanisms 4 are respectively located at 1 / 3 and 2 / 3 of the bottom cross beam 205, so as to realize the smooth jacking.

[0055] When the trolley travels to the working position, the jacking mechanism 4 is placed under the bottom cross beam 205, the jacking operation is started, and the jacking is stopped after reaching the design elevation position of the gutter top plate. The horizontal position of each jacking surface is the same during jacking, and the principle of "slow jacking and slow lifting" is followed, so as to ensure the construction safety.

[0056] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and deformations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A simple construction trolley for a pavement drainage ditch, characterized by: The utility model relates to a steel formwork (1), steel structure frame body (2), moving mechanism (3) and jacking mechanism (4), the top of steel structure frame body (2) sets up steel formwork (1), the bottom of steel structure frame body (2) sets up moving mechanism (3) and jacking mechanism (4), wherein: The steel structure frame body (2) includes lower bearing base (21), upper structure beam (22) and support column (204) connected between lower bearing base (21) and upper structure beam (22), and the upper structure beam (22) includes top longitudinal beam (201) and top cross beam (202) arranged in intersection, and the lower bearing base (21) includes fixedly connected bottom cross beam (205) and bottom longitudinal stiffening beam (206); The moving mechanism (3) includes track wheel (301) fixed below the lower bearing base (21), track (302) matched with the track wheel (301) and motor (303) driving the track wheel (301) to move; The jacking mechanism (4) is arranged below the lower bearing base (21), so that the trolley is jacked up to the construction position.

2. The pavement drainage ditch simple construction trolley according to claim 1, characterized in that: The top longitudinal beam (201) and the top cross beam (202) are intersected at 90 degrees, and the top longitudinal beam (201) or the top cross beam (202) is detachably connected with the support column (204) at 90 degrees.

3. The simple construction trolley for a pavement drainage ditch according to claim 2, characterized in that: The top longitudinal beam (201) is located above the top cross beam (202), and the top cross beam (202) is fixed on the upper end of the support column (204) through a hexagonal bolt (203).

4. The simple construction trolley for a pavement drainage ditch according to any one of claims 1 to 3, characterized in that: The bottom cross beam (205) and the bottom longitudinal stiffening beam (206) are fixedly connected at 90 degrees.

5. The simple construction trolley for a pavement drainage ditch according to claim 4, characterized in that: The bottom cross beam (205) is a plurality of, and the bottom longitudinal stiffening beam (206) is fixedly connected between each bottom cross beam (205).

6. The simple construction trolley for a pavement drainage ditch according to claim 5, characterized by: The motor (303) is installed at the end of the first bottom cross beam (205) and the last bottom cross beam (205).

7. The simple construction trolley for a pavement drainage ditch according to any one of claims 1 to 3, characterized in that: The steel formwork (1) is a rectangular steel formwork, and the two short sides of the steel formwork (1) are bent downward.

8. The simple construction trolley for a pavement drainage ditch according to any one of claims 1 to 3, characterized in that: The jacking mechanism (4) is arranged below the bottom cross beam (205).

9. The simple construction trolley for a pavement drainage ditch according to claim 8, characterized by: The jacking mechanism (4) is a hydraulic jack.

10. The simple construction trolley for a pavement drainage ditch according to claim 9, characterized by: A plurality of jacking mechanisms (4) are arranged below the bottom cross beam (205) in linear arrangement.

Images