Self-propelled hydraulic formwork trolley for underground pipe gallery construction

Abstract

According to the self-propelled hydraulic formwork trolley for underground pipe gallery construction, a hydraulic device operation table (4) controls the working state of a hydraulic device (1) so as to control the position of a formwork (2), and after pouring is completed, the formwork (2) is taken back through the hydraulic device (1) so that formwork removal can be completed; the position of the top formwork is indirectly controlled and adjusted through telescopic control and adjustment of the side formwork hydraulic rods (6), telescopic control and adjustment of the position of the top formwork through the top formwork hydraulic rods (5) and telescopic control and adjustment of the height of the formwork trolley through the hydraulic supporting rods (10). According to the formwork trolley, the municipal engineering pipe gallery formwork installation and concrete pouring operation efficiency can be effectively improved, the pipe gallery flatness and the finished product quality are improved, the labor cost input is reduced, and the mechanical operation efficiency of pipe gallery construction is improved.

Description

TECHNICAL FIELD

[0001] The utility model discloses a construction technology field of underground pipe gallery, concretely is a self -propelled hydraulic formwork trolley for underground pipe gallery construction. BACKGROUND

[0002] Foreign countries began to develop and use formwork trolley from 50s, and generally large-scale hydropower tunnels, railways, highways, tunnels and urban subways adopt formwork trolley. Japan, Italy, the United States, the United Kingdom and other countries all use formwork trolley in large quantities. Since 80s, except for a small number of small tunnels, different hole shapes (circular, horseshoe-shaped, square circular) and different section sizes basically use formwork trolley, and concrete pouring realizes mechanized operation. Foreign large tunnels adopt formwork trolley for concrete lining, and the pouring speed is relatively fast. For example, in Mangla project, the diameter of the tunnel is 9.15m, two sets of long 9m formwork trolley are arranged for each working face, the average monthly progress is 118.3m, the highest weekly progress is 73.2m, and the highest monthly progress is 170.4m. In the water diversion tunnel of Yinguli Power Station in the Soviet Union, the inner diameter is 9.5m (divided into two layers of excavation), the top arch concrete monthly progress is 60m, the side wall concrete monthly progress is 120m, the side top arch is poured once a month, and the bottom inverted arch concrete pouring monthly progress reaches 300m.

[0003] The city underground pipeline is in the form of comprehensive pipe gallery, and the communication management, power pipeline and gas pipeline are placed underground, gradually forming the city infrastructure reflecting the intensive characteristics. For the construction of city comprehensive pipe gallery, because of the engineering nature, it is often one-time investment, including all construction costs, and the construction process will not be repeated excavation, and the integration of underground space meets the construction demand. In order to reduce the cost and beautify the city environment, the integral formwork trolley is widely used. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problems existing in the prior art, the utility model provides a self-propelled hydraulic formwork trolley for underground pipe gallery construction, which improves the construction efficiency of underground pipe gallery formwork engineering and reduces the material and installation cost.

[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0006] The utility model provides a kind of self-propelled hydraulic formwork trolley for underground pipe gallery construction, hydraulic device 1 is arranged on the bottom plate of the main body structure square tube 7 of bottom, and hydraulic device 1 is welded with bottom plate;Hydraulic device operating platform 4 is arranged on the bottom plate of the main body structure square tube 7 of bottom, and hydraulic device operating platform 4 is welded with bottom plate;Hydraulic device operating platform 4 controls the working state of hydraulic device 1, to control formwork 2 position, after pouring is completed, formwork 2 is withdrawn by hydraulic device 1 to complete formwork removal;The main body structure square tube 7 of formwork trolley is welded with hinged point outside, hinged point is hinged to side mould hydraulic rod 6 by hinged rod, the position of side mould is controlled and adjusted by the telescopic control of side mould hydraulic rod 6;The main body structure square tube 7 of formwork trolley is vertically provided with top mould hydraulic rod 5 on top, the position of top mould is controlled and adjusted by the telescopic control of top mould hydraulic rod 5;The main body structure square tube 7 of formwork trolley is vertically provided with hydraulic support rod 10 on bottom, the height of formwork trolley is controlled and adjusted by the telescopic control of hydraulic support rod 10, the position of top mould is indirectly controlled and adjusted.

[0007] The utility model discloses a technical scheme that solves the technical problems:

[0008] The utility model also has the following additional technical features:

[0009] As the utility model technical scheme is further specifically optimized: the formwork trolley moving device includes four bottom universal wheels 8 with locks and two side wheels 3 on each side, when the formwork trolley moves, the side wheels 3 on the sides ensure that it does not deviate within the pipe gallery, and the universal wheels 8 on the bottom are used for advancing and moving backward.

[0010] As the utility model technical scheme is further specifically optimized: the main body structure square tube 7 of the formwork trolley is welded with formwork trolley connecting bolts 9 on the outside, multiple formwork trolleys can be connected into an integrated unit using the formwork trolley connecting bolts 9, and multiple formwork trolleys can be used to improve work efficiency.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The trolley frame is used to support the self-propelled hydraulic formwork trolley, the hydraulic drive device is used to provide power for movement within the pipe gallery, and the trolley bottom and side universal wheel fixing device is used to fix the trolley to prevent it from moving within the pipe gallery. The self-propelled hydraulic formwork trolley can achieve efficient installation of the formwork within the pipe gallery, is easy to operate, and is suitable for promotion.

[0013] The utility model has the advantages of reliable structure, convenient operation, fast moving speed, high degree of mechanization, smooth forming surface, material saving, low labor consumption and low average cost in the construction of comprehensive pipe gallery, but also has the disadvantages of strong work technicality and the need for professional technical personnel to operate. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a top view of the overall structure of this utility model;

[0016] Figure 3 This is a cross-sectional view (AA) of the overall structure of this utility model.

[0017] Reference numerals: 1. Hydraulic device; 2. Template; 3. Side wheel; 4. Hydraulic device operating platform; 5. Top mold hydraulic rod; 6. Side mold hydraulic rod; 7. Main structure square tube; 8. Lockable caster wheel; 9. Template trolley connecting bolt; 10. Hydraulic support rod. Detailed Implementation

[0018] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings.

[0019] A self-propelled hydraulic formwork trolley for underground utility tunnel construction includes a hydraulic device 1, a formwork 2, side wheels 3, a hydraulic device control panel 4, a top formwork hydraulic rod 5, a side formwork hydraulic rod 6, a main structure square tube 7, lockable casters 8, formwork trolley connecting bolts 9, and a hydraulic support rod 10.

[0020] The hydraulic device 1 is installed on the bottom plate of the main structural square tube 7 and is welded to the bottom plate; the hydraulic device operating platform 4 is installed on the bottom plate of the main structural square tube 7 and is welded to the bottom plate; the hydraulic device operating platform 4 controls the working state of the hydraulic device 1, thereby controlling the position of the template 2. After the pouring is completed, the template 2 is retracted through the hydraulic device 1 to complete the demolding.

[0021] The formwork trolley moving device includes four lockable casters 8 at the bottom and two side wheels 3 on each side. When the formwork trolley moves, it relies on the side wheels 3 to ensure that it does not deviate within the pipe gallery, and relies on the casters 8 at the bottom to move forward and backward. When the position of the formwork trolley is determined and concrete is poured, the lockable casters 8 are locked to prevent the formwork trolley from deviating.

[0022] The main structure of the template trolley, square tube 7, is welded with template trolley connecting bolts 9 on the outside. Multiple template trolleys can be connected into one unit using the template trolley connecting bolts 9, and multiple template trolleys can be used at the same time to improve work efficiency.

[0023] The main structure of the template trolley, square tube 7, has a hinge point welded to its outer side. The hinge point is hinged to the side mold hydraulic rod 6 through a hinge rod. The position of the side mold is controlled and adjusted by the extension and retraction of the side mold hydraulic rod 6.

[0024] The top hydraulic rod 5 is vertically arranged on the top of the main structure square tube 7 of the template trolley, and the position of the top mold is controlled and adjusted through the extension and retraction of the top hydraulic rod 5.

[0025] The bottom hydraulic supporting rod 10 is vertically arranged on the bottom of the main structure square tube 7 of the template trolley, the frame body is prevented from deforming during the concrete pouring process, the height of the template trolley is controlled and adjusted through the extension and retraction of the hydraulic supporting rod 10, and the position of the top mold is indirectly controlled and adjusted.

[0026] The trolley frame body is used for supporting the self-propelled hydraulic template trolley, the hydraulic driving device is used for providing power for moving in the pipe gallery, the trolley bottom and side universal wheel fixing device are used for fixing the trolley, and the trolley is prevented from moving in the pipe gallery.

[0027] The utility model discloses a trolley frame body is used for supporting the self-propelled hydraulic template trolley, the hydraulic driving device is used for providing power for moving in the pipe gallery, the trolley bottom and side universal wheel fixing device are used for fixing the trolley, and the trolley is prevented from moving in the pipe gallery.

[0028] The detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

Claims

1. A self-propelled hydraulic formwork trolley for underground utility tunnel construction, characterized in that: The hydraulic device (1) is installed on the bottom plate of the main structural square tube (7) and is welded to the bottom plate; the hydraulic device operating platform (4) is installed on the bottom plate of the main structural square tube (7) and is welded to the bottom plate; the hydraulic device operating platform (4) controls the working state of the hydraulic device (1), thereby controlling the position of the template (2). After the pouring is completed, the template (2) is retracted through the hydraulic device (1) to complete the demolding; the main structural square tube (7) of the template trolley is welded to the outside of the template trolley. There is a hinge point, which is hinged to the side mold hydraulic rod (6) through a hinge rod. The position of the side mold is controlled and adjusted by the extension and retraction of the side mold hydraulic rod (6). The top of the main structure square tube (7) of the template trolley is vertically provided with a top mold hydraulic rod (5). The position of the top mold is controlled and adjusted by the extension and retraction of the top mold hydraulic rod (5). The bottom of the main structure square tube (7) of the template trolley is vertically provided with a hydraulic support rod (10). The height of the template trolley is controlled and adjusted by the extension and retraction of the hydraulic support rod (10), which indirectly controls and adjusts the position of the top mold.

2. The self-propelled hydraulic formwork trolley for underground utility tunnel construction according to claim 1, characterized in that: The template trolley moving device includes four lockable casters (8) at the bottom and two side wheels (3) on each side. When the template trolley moves, it relies on the side wheels (3) to ensure that it does not deviate in the pipe gallery, and relies on the casters (8) at the bottom to move forward and backward. When the position of the template trolley is determined and concrete is poured, the lockable casters (8) are locked to prevent the template trolley from deviating.

3. The self-propelled hydraulic formwork trolley for underground utility tunnel construction according to claim 1, characterized in that: The main structure of the template trolley, square tube (7), is welded with template trolley connecting bolts (9) on the outside. Multiple template trolleys can be connected into one unit using the template trolley connecting bolts (9), and multiple template trolleys can be used at the same time to improve work efficiency.

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