Adjustable shield tunneling machine starting reaction frame
By introducing adjustable adjustment sections and pad structures into the shield machine reaction frame, the construction cost increase caused by the fixation of the reaction frame size in the prior art is solved, and the multi-purpose adaptability and cost saving of the equipment are achieved.
Patent Information
- Application Number
- CN202322418982.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-06
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2033-09-06
AI Technical Summary
The existing shield machine reaction frame has a fixed size and cannot adapt to the difference in height between different geological conditions and construction sites, resulting in an increase in construction costs and needs to be customized, which limits its reuse and scope of application.
An adjustable shield machine originating reaction frame is designed. By setting adjustment sections on the columns and beams, multiple pads and flanges of different thicknesses are used to adjust the frame height through bolt connections, which is suitable for multiple Working conditions.
It realizes highly flexible adjustment of the shield machine reaction frame, reduces construction costs, expands the scope of application of equipment, and improves the convenience of installation and disassembly.
Smart Images
Figure CN222228546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shield machines, in particular to an adjustable starting reaction force frame of a shield machine. Background Art
[0002] At present, shield construction has become an indispensable and important construction method in urban underground rail transit and tunnel engineering, with the characteristics of safe and efficient construction. The shield machine uses the cutter head to cut the soil, and the oil cylinder in the shield body completes the work of advancing the shield machine and assembling the segments. Before the shield machine starts to advance, a device that provides reverse force support for the shield machine is needed, which is the reaction frame.
[0003] During the shield construction process, due to different geological conditions, the left and right elevations of the double tunnels of the shield construction may be different, or the heights of different construction sites may be different, which requires reaction frames with different support heights. The reaction frames in the prior art are fixed in size and can only be used under one working condition, so that each construction site needs to be customized, which increases the construction cost. Utility Model Content
[0004] In view of this, the problem to be solved by the utility model is to provide an adjustable shield machine starting reaction frame, which can conveniently adjust the height of both sides of the frame, is suitable for a variety of working conditions, can be used repeatedly, and saves costs.
[0005] The utility model solves the above technical problems through the following technical means: The utility model provides an adjustable shield machine starting reaction frame, including
[0006] A first column, the column is arranged along the vertical direction, and the lower section of the first column is provided with an adjustment section;
[0007] A second column, the second column is arranged in parallel with the first column, and an adjustment section is arranged at the bottom end of the second column;
[0008] A crossbeam, the crossbeam is arranged between the first column and the second column to connect the first column and the second column, the crossbeam is arranged perpendicular to the first column, two crossbeams are arranged, and the two crossbeams are respectively arranged in parallel at the upper end and the lower end of the first column;
[0009] An oblique brace, the oblique brace being obliquely arranged at the upper end of the back side of the first column and the second column for supporting the first column and the second column;
[0010] The adjusting section comprises a plurality of pads of the same and / or different thicknesses, wherein the pads are provided with a first flange, and the lower sections of the first column and the second column are respectively provided with a second flange matching the first flange.
[0011] Furthermore, the thickness of the pad includes specifications of 1 cm, 2 cm and 5 cm, each specification includes multiple pieces, and both ends of each piece are provided with a first flange, and the first flange and the second flange are connected by bolts.
[0012] Further, the first column includes a first lower section and a first upper section connected in sequence, the first lower section and the first upper section are connected via a third flange respectively, the diagonal brace on the first column is supported on the first upper section, the second column includes a second lower section and a second upper section connected in sequence, the second lower section and the second upper section are connected via a fourth flange respectively, the diagonal brace on the second column is supported on the second upper section, and the two ends of the crossbeam are respectively connected to the first upper section and the second upper section or to the first lower section and the second lower section.
[0013] Furthermore, it also includes a horizontal column and a base section, one end of the horizontal column is vertically arranged on the base section, the other end of the horizontal column is provided with a connecting plate for connecting to the embedded steel plate, the upper end of the base section is provided with a fifth flange for connecting to the adjustment section or the first column or the second column, and the lower end of the base section is provided with a connecting plate for connecting to the bottom embedded steel plate. Furthermore, one end of the diagonal brace is welded to the first column, and the other end is provided with a connecting plate connected to the embedded steel plate, and a truss is provided between adjacent diagonal braces.
[0014] Furthermore, it also includes a ring beam, which is arranged at the center of the frame composed of the first column and the second column, and the ring beam is arranged on the other side corresponding to the diagonal brace, and a reinforcing beam is also arranged between the cross beam and the first column or the second column.
[0015] Furthermore, the first column, the second column and the crossbeam are all formed by welding weathering steel plates with a thickness of not less than 30 mm.
[0016] It can be seen from the above technical scheme that the beneficial effects of the utility model are as follows: the utility model provides an adjustable shield machine starting reaction frame, including a first column, the column is arranged in a vertical direction, and the lower section of the first column is provided with an adjustment section; a second column, the second column and the first column are arranged in parallel, and the bottom end of the second column is provided with an adjustment section; a crossbeam, the crossbeam is arranged between the first column and the second column to connect the first column and the second column, the crossbeam is arranged perpendicular to the first column, and there are two crossbeams, and the two crossbeams are respectively arranged in parallel at the upper end and the lower end of the first column; a diagonal brace, the diagonal brace is obliquely arranged at the upper end of the back side of the first column and the second column for supporting the first column and the second column; an adjustment section, the adjustment section includes a plurality of pads of the same and / or different thicknesses, the pads are provided with a first flange, and the lower sections of the first column and the second column are respectively provided with second flanges matching the first flange. According to the working conditions and the elevation of the left and right double lines on the construction site, the number and thickness of the pads are adjusted, thereby adjusting the height of the adjustment section to adjust the height of the first column and the second column, so that it can be suitable for various working conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] In order to more clearly illustrate the specific implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the specific implementation or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.
[0018] Figure 1 A three-dimensional structural diagram of the adjustable shield machine starting reaction frame device provided by the utility model;
[0019] Figure 2 for Figure 1 A local enlarged view of the I position;
[0020] Reference numerals:
[0021] 1-first column; 2-second column; 3-cross beam; 4-diagonal brace; 5-adjustment section; 11-first upper section; 12-first lower section; 21-second upper section; 22-second lower section; 31-pad; 13-first flange; 23-second flange; 14-third flange; 24-fourth flange; 6-cross column; 7-foundation section; 8-ring beam; 9-reinforcement beam. DETAILED DESCRIPTION
[0022] The following embodiments of the technical solution of the utility model are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and are therefore only used as examples, and cannot be used to limit the protection scope of the utility model.
[0023] See also Figures 1-2 The utility model provides an adjustable shield machine starting reaction frame, comprising
[0024] A first column 1, the column is arranged in a vertical direction, and an adjustment section 5 is arranged at the lower section of the first column 1;
[0025] A second column 2, wherein the second column 2 is arranged in parallel with the first column 1, and an adjustment section 5 is arranged at the bottom end of the second column 2;
[0026] A crossbeam 3, wherein the crossbeam 3 is arranged between the first column 1 and the second column 2 to connect the first column 1 and the second column 2, the crossbeam 3 is arranged perpendicular to the first column 1, two crossbeams 3 are arranged, and the two crossbeams 3 are respectively arranged in parallel at the upper end and the lower end of the first column 1;
[0027] A diagonal brace 4, wherein the diagonal brace 4 is obliquely arranged at the upper ends of the back sides of the first column 1 and the second column 2 for supporting the first column 1 and the second column 2;
[0028] The adjustment section 5 includes a plurality of pads 31 of the same and / or different thicknesses, and a first flange is arranged on the pad 31. The pads 31 are connected to each other through the first flange and are connected to the first column 1 and the base section 7. The lower sections of the first column 1 and the second column 2 are respectively provided with a second flange matching the first flange 13. By arranging the adjustment section 5 on the first column 1 and the second column 2 to adjust their heights respectively, it can be used when the elevations of the two sides are different. At the same time, the reaction frame can also be used under different working conditions, so that it can be used under different working conditions, which increases its use range and reduces costs. The adjustment section 5 is set as a plurality of pads 31, which are combined into different heights according to the size requirements, so that the strength is sufficient and the installation and disassembly are convenient. When necessary, according to the thickness of the combined pads 31, the first flange on the pad 31 can be connected to the second flange at the lower end of the first column 1 or the second column 2 through high-strength bolts. Preferably, a base section 7 is arranged at the lower end of the adjustment section 5, and the base section 7 is connected to the embedded steel plate.
[0029] As a further improvement to the above technical solution, the thickness of the pad 31 includes specifications of 1 cm, 2 cm and 5 cm, each specification includes multiple pieces, and a first flange is provided at both ends of each piece, and the first flange 13 and the second flange 23 are connected by bolts. The thickness of the pad 31 is selected to be 1 cm, 2 cm and 5 cm. According to the selected number, it can form any thickness, so that the adjustment range is larger. The connection flange is provided on the pad 31 to facilitate the connection with the first column 1, the second column 2 or the foundation section 7. When multiple pads 31 are used, a high-strength bolt can be directly used for connection. Preferably, flanges are provided at both ends of the 5 cm pad, and flanges with the same thickness as the pad 31 are provided on the 1 cm and 2 cm pads 31. When using a 5 cm pad 31, a high-strength bolt can be used to pass through the 5 pads 31, and nuts can be installed between the flanges at both ends of the pad 31, and then the upper and lower ends are tightened respectively.
[0030] As a further improvement to the above technical solution, the first column 1 includes a first lower section 12 and a first upper section 11 connected in sequence, the first lower section 12 and the first upper section 11 are connected by a third flange 14 respectively, the diagonal brace 4 on the first column 1 is supported on the first upper section 11, the second column 2 includes a second lower section 22 and a second upper section 21 connected in sequence, the second lower section 22 and the second upper section 21 are connected by a fourth flange respectively, the diagonal brace 4 on the second column 2 is supported on the second upper section 21, and the two ends of the cross beam 3 are respectively connected to the first upper section 11 and the second upper section 21 or to the first lower section 12 and the second lower section 22. By setting the first column 1 and the second column 2 as upper and lower ends respectively and connecting the upper and lower ends by the third flange 14 and the fourth flange, the columns are respectively welded to the cross beam 3 and then spliced, which makes installation more convenient.
[0031] As a further improvement to the above technical solution, it also includes a horizontal column 6 and a base section 7, one end of the horizontal column 6 is vertically arranged on the base section 7, the other end of the horizontal column 6 is provided with a connecting plate for connecting to the embedded steel plate, the upper end of the base section 7 is provided with a fifth flange for connecting to the adjustment section 5 or the first column 1 or the second column 2, and the lower end of the base section 7 is provided with a connecting plate for connecting to the bottom embedded steel plate. As a further improvement to the above technical solution, one end of the diagonal brace 4 is welded to the first column 1, and the other end is provided with a connecting plate connected to the embedded steel plate, and a truss is provided between adjacent diagonal braces 4. By setting the horizontal column 6 and the base section 7 for connecting to the embedded steel plate, after the connection, the height of the pad 31 to be added is determined by the height, so as to select the appropriate pad 31 and then install the reaction frame on the base section 7.
[0032] As a further improvement to the above technical solution, a ring beam 8 is also included, which is arranged at the center position of the frame composed of the first column 1 and the second column 2. The ring beam 8 is arranged on the other side corresponding to the diagonal brace 4, and a reinforcing beam 9 is also arranged between the cross beam 3 and the first column 1 or the second column 2.
[0033] As a further improvement of the above technical solution, the first column 1, the second column 2 and the crossbeam 3 are all welded by weathering steel plates of no less than 30 mm. The frame is formed by welding, and the overlapped welded edges of all plates are treated with cracks. The welding seams of each reinforcing rib intersect with the main welding seam to reduce welding stress. All components are continuously welded, and there is no false welding or leaking welding in the welds.
[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and specification of the utility model.
Claims
1. An adjustable shield machine starting reaction frame, characterized in that: include A first column (1), the column being arranged in a vertical direction, and an adjustment section (5) being arranged at a lower section of the first column (1); A second column (2), the second column (2) and the first column (1) are arranged in parallel, and an adjustment section (5) is arranged at the bottom end of the second column (2); A crossbeam (3), the crossbeam (3) being arranged between the first column (1) and the second column (2) to connect the first column (1) and the second column (2), the crossbeam (3) being arranged perpendicular to the first column (1), two crossbeams (3) being arranged, and the two crossbeams (3) being arranged in parallel at the upper end and the lower end of the first column (1), respectively; An oblique brace (4), the oblique brace (4) being obliquely arranged at the upper end of the back side of the first column (1) and the second column (2) for supporting the first column (1) and the second column (2); The adjusting section (5) comprises a plurality of pads (31) of the same and / or different thicknesses, the pads (31) being provided with a first flange, and the lower sections of the first column (1) and the second column (2) being provided with second flanges matching the first flange (13).
2. The adjustable shield machine starting reaction frame according to claim 1 is characterized in that: The thickness of the pad (31) includes specifications of 1 cm, 2 cm and 5 cm, each specification includes a plurality of pieces, and both ends of each piece are provided with a first flange, and the first flange (13) and the second flange (23) are connected by bolts.
3. The adjustable shield machine starting reaction frame according to claim 2 is characterized in that: The first column (1) comprises a first lower section (12) and a first upper section (11) which are connected in sequence, the first lower section (12) and the first upper section (11) are connected via a third flange (14) respectively, the diagonal brace (4) on the first column (1) is supported on the first upper section (11), the second column (2) comprises a second lower section (22) and a second upper section (21) which are connected in sequence, the second lower section (22) and the second upper section (21) are connected via a fourth flange (24) respectively, the diagonal brace (4) on the second column (2) is supported on the second upper section (21), and the two ends of the crossbeam (3) are respectively connected to the first upper section (11) and the second upper section (21) or to the first lower section (12) and the second lower section (22).
4. The adjustable shield machine starting reaction frame according to claim 3 is characterized in that: The invention also comprises a transverse column (6) and a base section (7), wherein one end of the transverse column (6) is vertically arranged on the base section (7), the other end of the transverse column (6) is provided with a connecting plate for connecting to a pre-buried steel plate, the upper end of the base section (7) is provided with a fifth flange for connecting to an adjustment section (5) or a first column (1) or a second column (2), and the lower end of the base section (7) is provided with a connecting plate for connecting to a bottom pre-buried steel plate.
5. The adjustable shield machine starting reaction frame according to claim 4 is characterized in that: One end of the diagonal brace (4) is welded to the first column (1), and the other end is provided with a connecting plate connected to the embedded steel plate, and a truss is provided between adjacent diagonal braces (4).
6. The adjustable shield machine starting reaction frame according to claim 5 is characterized in that: The invention also comprises a ring beam (8), wherein the ring beam (8) is arranged at the center of a frame formed by the first column (1) and the second column (2), and the ring beam (8) is arranged on the other side corresponding to the diagonal brace (4). A reinforcing beam (9) is also arranged between the cross beam (3) and the first column (1) or the second column (2).
7. The adjustable shield machine starting reaction frame according to any one of claims 1 to 6, characterized in that: The first column (1), the second column (2) and the crossbeam (3) are all formed by welding together weathering steel plates with a thickness of not less than 30 mm.