A new type of arch assembly trolley for tunnel construction

Abstract

The present invention relates to the technical field of tunnel construction, and specifically, it is a new type of arch assembly trolley for tunnel construction, including a trolley base, a trolley frame installed on the trolley base, and a loading rack erected on the trolley frame; triangular frames are installed on both sides of the loading rack, the triangular frames are installed in an inverted triangle manner, and a middle frame is arranged between the triangular frames, and a support carrier is laid on the triangular frames and the middle frame; a side arch is arranged between the support carrier and the side of the loading rack, a middle support is arranged between the side arches, and a top support arch is arranged at the top of the middle support. Based on the trolley, the present invention installs the arch in a combined manner on the loading rack, combines into a stable arch support foundation, facilitates the assembly, handling and disassembly processes before and after tunnel construction, and ensures the stability of the arch support.

Description

Technical Field

[0001] The present invention relates to the technical field of tunnel construction, and specifically to a new type of arch assembly trolley for tunnel construction. Background Technique

[0002] A tunnel construction trolley refers to a mobile platform used for various construction operations in underground tunnels such as high-speed railways, expressways, and urban subways. For the arch installation of the construction trolley, after assembling multiple arch top sheets into an arch top assembly on the ground, the arch top assembly is lifted onto the trolley one by one through an arch lifting device. Then, after lifting the arch top assembly to a certain height through the arch lifting device, the arch side sheet is fixedly connected to the arch top assembly; the arch is lifted to the final installation position through the arch lifting device and fixed to the tunnel wall by anchor bolts, thus completing the arch installation.

[0003] Chinese Patent (Authorization Publication No.: CN207420596U) discloses an arch pre-assembly trolley for tunnels. This patent installs multiple manual operation platforms. After the designed arch spacing is assembled, the connecting bars are welded to form an integral whole of several arches; this implementation structure has great defects. The arches are installed by welding, and after each operation, they cannot be disassembled, and the installation and handling are very troublesome, resulting in too high construction costs and low applicability. Summary of the Invention

[0004] The purpose of the present invention is to provide a new type of arch assembly trolley for tunnel construction to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A new type of arch assembly trolley for tunnel construction includes a trolley base, a trolley frame installed on the trolley base, and a loading rack erected on the trolley frame;

[0007] Triangular frames are installed on both sides of the loading rack. The triangular frames are installed in an inverted triangular manner, and a middle frame is provided between the triangular frames. A support carrier is further laid on the triangular frames and the middle frame;

[0008] A side arch is provided between the support carrier and the side of the loading rack. A middle support is provided between the side arches, and a top support arch is provided at the top of the middle support.

[0009] As a further solution of the present invention: The trolley base includes support feet, moving wheels installed at the bottom of the support feet, and a support bracket provided on the support feet. The trolley frame is installed on the support bracket.

[0010] As a further solution of the present invention: the loading rack and the trolley frame are of an integrated structure. An installation sleeve is provided in the middle area of the loading rack, and a middle-position support pillar is installed through the installation sleeve. The top ends of the middle-position support pillars are all installed with middle-section support seats.

[0011] As a further solution of the present invention: angle frame mounting blocks are respectively provided on both sides of the loading rack, and angle frame positioning blocks are provided on both sides of the angle frame mounting blocks. The triangular frame is erected between the angle frame mounting blocks and the angle frame positioning blocks. The triangular frame and the loading rack are connected by an outer-section support seat. The support carrier is erected on the triangular frame and the middle-position support pillars and is fixed by the corresponding outer-section support seats and middle-section support seats.

[0012] As a further solution of the present invention: inner support blocks are provided on the inner edge of the triangular frame, and an inner support plate is installed between the inner support blocks. The inner support plate supports the bottom plane of the support carrier.

[0013] As a further solution of the present invention: a middle-line support pillar is also installed at the middle-line position of the triangular frame, and a support head is installed at the top end of the middle-line support pillar. The support head supports the midpoint position of the inner support plate.

[0014] As a further solution of the present invention: the main body of the support carrier is a support plate frame. A number of transverse inner rods are provided in the support plate frame, and a number of connecting rods for connecting the transverse inner rods in series are provided between the transverse inner rods. Fixing pieces are installed at the rod ends of the connecting rods.

[0015] As a further solution of the present invention: the middle support frame includes a top support frame installed on the middle-section support seat and a reinforcing inner rod for supporting the top support frame. The top support arch frame includes a number of top support platforms at the top end of the top support frame, support protrusions provided on the top support platforms, and top support workpieces provided on the support protrusions.

[0016] As a further solution of the present invention: the side arch frame includes a support plate installed between the top support frame and the loading rack, side support seats provided on the support plate, and a number of side support workpieces arranged in a stepped manner on the side support seats.

[0017] As a further solution of the present invention: an outer edge plate is provided in the middle area of the support carrier. A first diagonal support rod is provided between the plate end of the outer edge plate and the top of the top support frame. An external protrusion is provided in the middle section of the top support frame. A second diagonal support rod is provided between the external protrusion and the corresponding outer-section support seat.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] The present invention relates to an arch trolley used for tunnel construction. The trolley base, trolley frame and loading rack are the main body of the trolley. The arch is assembled and loaded in the loading rack. Triangular frames are installed on both sides of the loading rack to install a stable support structure. A middle frame is arranged between the triangular frames to connect the triangular frames to form a bottom support integral. The support carrier is arranged on the above bottom support integral to form a stable arch support foundation. The support carrier is then installed with side arch frames along the side edges of the loading rack. From both sides to the middle, top support arch frames are installed. The top support arch frames and the side arch frames are used to install relevant support tools such as the ceiling, so as to support the top of the inner cavity of the tunnel and ensure the smooth progress of tunnel construction.

[0020] Based on the trolley, the present invention installs the arch in a combined manner on the loading rack to form a stable arch support foundation, which facilitates the assembly, handling and disassembly processes before and after tunnel construction, thereby reducing the implementation cost and ensuring the stability of the arch support during tunnel construction.

[0021] It should be understood that the above general description and the following detailed description are only exemplary and explanatory, and cannot limit this application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings herein are incorporated into the specification and form a part of this specification, showing embodiments consistent with this application, and are used together with the specification to explain the principles of this application. At the same time, these drawings and the text description are not intended to limit the scope of the concept of this application in any way, but to illustrate the concept of this application to those skilled in the art by referring to specific embodiments.

[0023] Figure 1 It is a schematic diagram of the overall structure of a new arch assembly trolley for tunnel construction provided by an embodiment of the present invention.

[0024] Figure 2 It is a schematic diagram of the structure of the trolley base provided by an embodiment of the present invention.

[0025] Figure 3 It is a schematic diagram of the installation of the triangular frame and the middle frame provided by an embodiment of the present invention.

[0026] Figure 4 For the present invention Figure 3 It is a schematic diagram of the structure of area A.

[0027] Figure 5 It is a schematic diagram of the structure of the middle support provided by an embodiment of the present invention.

[0028] Figure 6 It is a schematic diagram of the structure of the side arch frame provided by an embodiment of the present invention.

[0029] In the figure: 11, trolley base; 12, trolley frame; 13, loading rack; 14, triangular frame; 15, middle frame; 16, support carrier; 17, middle support; 18, side arch frame; 19, top support arch frame; 21, support foot; 22, support bracket; 23, driving wheel; 31, mounting sleeve; 32, middle pillar; 33, middle section support seat; 41, angle frame mounting block; 42, angle frame positioning block; 44, inner support block; 45, inner support plate; 46, outer section support seat; 47, middle line pillar; 48, support head; 51, support plate frame; 52, fixing piece; 53, series rod; 54, cross inner rod; 61, top support frame; 62, strengthening inner rod; 63, top support platform; 64, support protrusion; 65, top support workpiece; 71, support frame plate; 72, side support; 73, side support workpiece; 74, outer edge plate; 75, first diagonal support rod; 76, external protrusion; 77, second diagonal support rod. Detailed implementation mode

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention, and the examples are shown in the accompanying drawings. When the following description relates to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0031] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0032] The following describes the specific implementation of the present invention in detail in conjunction with specific embodiments.

[0033] In one embodiment;

[0034] Please refer to Figure 1 , a new type of arch assembly trolley for tunnel construction is provided, including a trolley base 11, a trolley frame 12 installed on the trolley base 11, and a loading rack 13 erected on the trolley frame 12;

[0035] Triangular frames 14 are installed on both sides of the loading rack 13. The triangular frames 14 are installed in an inverted triangle manner, and a middle frame 15 is arranged between the triangular frames 14. A support carrier 16 is laid on the triangular frames 14 and the middle frame 15;

[0036] Side arch frames 18 are arranged between the support carrier 16 and the side of the loading rack 13. Middle supports 17 are arranged between the side arch frames 18, and a top support arch frame 19 is arranged at the top of the middle supports 17.

[0037] This embodiment is an arch trolley used for tunnel construction. The trolley base 11, the trolley frame 12, and the loading rack 13 are the main bodies of the trolley. The arch is assembled and loaded inside the loading rack 13. Triangular frames 14 are installed on both sides of the loading rack 13 to install a stable support structure. A middle frame 15 is arranged between the triangular frames 14 to connect the triangular frames 14 to form a bottom support integral. The support carrier 16 is erected on the above bottom support integral to form a stable arch support foundation. The support carrier 16 is then installed with side arch frames 18 along the side edges of the loading rack 13. From both sides to the middle, top support arch frames 19 are installed. The top support arch frames 19 and the side arch frames 18 are used to erect relevant support tools such as the ceiling, so as to support on the top of the inner cavity of the tunnel and ensure the smooth progress of tunnel construction.

[0038] This embodiment is based on the trolley. The arch is installed in a combined manner on the loading rack 13 to form a stable arch support foundation, which is convenient for the assembly, handling, and disassembly processes before and after tunnel construction, thereby reducing the implementation cost and ensuring the stability of the arch support during tunnel construction.

[0039] In one embodiment;

[0040] Based on the above embodiment, for the specific structure of the trolley base 11, please refer to Figure 2 , this embodiment is designed as follows:

[0041] The trolley base 11 includes support feet 21, moving wheels 23 installed at the bottom of the support feet 21, and support brackets 22 arranged on the support feet 21. The trolley frame 12 is installed on the support brackets 22. The trolley base 11 is set as a bracket structure and is convenient to move through the moving wheels 23. Brake pads are arranged on the moving wheels 23.

[0042] In one embodiment;

[0043] Based on the above embodiment, for the specific installation method of the support carrier 16, please refer to Figure 3 , this embodiment is designed as follows:

[0044] The loading rack 13 and the trolley frame 12 are of an integral structure. An installation sleeve 31 is arranged in the middle area of the loading rack 13. A middle support column 32 is inserted and installed inside the installation sleeve 31. The top ends of the middle support columns 32 are all installed with middle section support seats 33.

[0045] On both sides of the loading rack 13, there are respectively angle bracket mounting blocks 41 and angle bracket positioning blocks 42 arranged on both sides of the angle bracket mounting blocks 41. The triangular frame 14 is erected between the angle bracket mounting blocks 41 and the angle bracket positioning blocks 42. The triangular frame 14 is connected to the loading rack 13 through an outer section support seat 46. The support carrier 16 is erected on the triangular frame 14 and the middle position pillar 32 and is fixed through the corresponding outer section support seat 46 and middle section support seat 33.

[0046] In this embodiment, two middle position pillars 32 are arranged in the middle section area of the loading rack 13. The middle position pillars 32 are inserted into the mounting sleeves 31 and locked and fixed. Then, a triangular frame 14 is erected along the side edge of the middle position pillars 32. The bottom corner position of the triangular frame 14 is fixed through the angle bracket mounting block 41, and both sides of the triangular frame 14 are fixed through the angle bracket positioning blocks 42, so as to form a stable bottom support structure with the triangular frame 14. One end of the triangular frame 14 is fixed to the loading rack 13 through the outer section support seat 46, and the other end is fixed to the middle position pillar 32 through the middle section support seat 33. The support carrier 16 is erected on the triangular frame 14 and is fixed through the outer section support seat 46 and the middle section support seat 33, and then a stable support foundation is combined on the loading rack 13 of the trolley to ensure the stability of the arch frame.

[0047] In one case of this embodiment;

[0048] Please refer to Figure 3 , an inner support block 44 is arranged on the inner edge of the triangular frame 14. An inner support plate 45 is installed between the inner support blocks 44. The inner support plate 45 supports the bottom plane of the support carrier 16. The inner support plate 45 is installed on the inner edge of the triangular frame 14. On the one hand, it further stabilizes the triangular frame 14, and on the other hand, it is used to support the bottom plane of the support carrier 16, thereby improving the stability of the support carrier 16.

[0049] In one case of this embodiment;

[0050] Please refer to , a middle line pillar 47 is also installed at the middle line position of the triangular frame 14. A support head 48 is installed at the top end of the middle line pillar 47. The support head 48 supports the midpoint position of the inner support plate 45, further improving the stability of the overall triangular frame 14 structure.

[0051] In one case of this embodiment;

[0052] Please refer to Figure 3 , the main body of the support carrier 16 is a support plate frame 51. A number of horizontal support inner rods 54 are arranged inside the support plate frame 51. A number of series rods 53 for connecting the horizontal support inner rods 54 in series are arranged between the horizontal support inner rods 54. Fixed pieces 52 are installed at the rod ends of the series rods 53.

[0053] The support carrier 16 is a large-area plate member. If a solid plate is used, it will inevitably be very heavy, making it inconvenient for personnel to carry and install. Therefore, in this embodiment, the main body of the support carrier 16 is designed as a support plate frame 51, using a hollow plate member design. A number of series-connected and staggered transverse inner rods 54 are arranged in the inner cavity of the support plate frame 51 to support the support plate frame 51, ensuring the overall stability of the support carrier 16 and effectively reducing the weight of the plate member, facilitating personnel installation and handling.

[0054] In one embodiment;

[0055] Based on the above embodiment, for the specific implementation structure of the top support arch 19 and the side arch 18, this embodiment is designed as follows:

[0056] Please refer to Figure 4 , the middle support 17 includes a top support frame 61 installed on the middle support seat 33, and a reinforcing inner rod 62 for supporting the top support frame 61. The top support arch 19 includes a number of top support platforms 63 at the top end of the top support frame 61, a support protrusion 64 provided on the top support platform 63, and a top support workpiece 65 provided on the support protrusion 64. The top support frame 61 is erected on the middle support 17 to form an upward vertical structure. A number of top support workpieces 65 are provided at the top end of the top support frame 61 for the support operation of the tunnel inner wall.

[0057] Please refer to Figure 5 , the side arch 18 includes a support plate 71 installed between the top support frame 61 and the loading rack 13, a side support 72 provided on the support plate 71, and a number of side support workpieces 73 arranged in a stepped manner on the side support 72. An integrated connection structure is formed among the side arch 18, the top support arch 19, and the loading rack 13, and the height of the top support workpiece 65 is higher than that of the side support workpiece 73. The shed body starts from the side support workpieces 73 at both ends and is lifted from the top support workpiece 65 to form an arc-shaped tunnel support structure.

[0058] In one case of this embodiment;

[0059] Please refer to Figure 6 Figure 6 , an outer edge plate 74 is provided in the upper middle area of the support carrier 16. A first diagonal support rod 7 is provided between the plate end of the outer edge plate 74 and the top of the top support frame 61. An external protrusion 76 is provided in the middle section area of the top support frame 61. A second diagonal support rod 77 is provided between the external protrusion 76 and the outer section support seat 46 on the corresponding side.

[0060] In order to further improve the stability of the upper part of the arch frame, that is, the side arch frames 18 and the top support arch frame 19, first diagonal struts 75 and second diagonal struts 77 arranged in a staggered manner are respectively provided to form an inclined strengthening member. The first diagonal struts 75 and the second diagonal struts 77 form different support inclination angles, so as to form an inclined support force, and on the basis of supporting the load-bearing member 16, the stability of the upper structure of the arch frame is improved.

[0061] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention.

[0062] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A new type of arch frame assembly trolley for tunnel construction, comprising a trolley base, a trolley frame mounted on the trolley base, and a loading frame mounted on the trolley frame; characterized in that The lifting mechanism is a lifting mechanism, and a lifting mechanism is installed in a lifting mechanism, and a lifting mechanism is installed in a lifting mechanism, and a lifting mechanism is installed in a lifting mechanism.

2. The new type of tunnel construction arch frame assembly trolley according to claim 1 is characterized in that The trolley base includes a supporting foot, a moving wheel installed at the bottom of the supporting foot, and a support bracket set on the supporting foot, and the trolley frame is installed on the support bracket.

3. The new type of tunnel construction arch frame assembly trolley according to claim 1 is characterized in that The inner edge of the triangular frame is provided with an inner support block, and an inner support plate is installed between the inner support blocks, and the inner support plate is supported on the bottom plane of the supporting carrier.

4. The new type of tunnel construction arch frame assembly trolley according to claim 3 is characterized in that A centerline support is also installed at the centerline position of the triangular frame, and a support head is installed at the top end of the centerline support head, which is supported at the midpoint position of the inner support plate.

5. The new type of tunnel construction arch frame assembly trolley according to claim 1 is characterized in that The main body of the supporting carrier is a supporting plate frame, and a plurality of transverse inner rods are arranged in the supporting plate frame. A plurality of series rods for connecting the transverse inner rods in series are arranged between the transverse inner rods, and a fixing plate is installed at the rod end of the series rod.

6. The new type of arch frame assembly trolley for tunnel construction according to claim 1 is characterized in that The middle bracket includes a top support frame installed on the middle support seat, and a reinforcing inner rod for supporting the top support frame. The top support arch includes a plurality of top support platforms at the top of the top support frame, a support protrusion arranged on the top support platform, and a top support workpiece arranged on the support protrusion.

7. The new type of tunnel construction arch frame assembly trolley according to claim 6 is characterized in that The side arch frame includes a support frame plate installed between the top support frame and the loading frame, a side support seat arranged on the support frame plate, and a plurality of side support workpieces arranged in a stepped manner on the side support seat.

8. The new type of tunnel construction arch frame assembly trolley according to claim 7 is characterized in that An outer edge plate is provided in the middle area of the support carrier, a first oblique support rod is provided between the plate end of the outer edge plate and the top of the top support frame, an external protrusion is provided in the middle area of the top support frame, and a second oblique support rod is provided between the external protrusion and the outer section support seat on the corresponding side.

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