Tunnel primary support steel arch foot supporting cushion tool
By designing the adjustable height-adjustable tunnel primary steel arch frame arch foot support pad tooling, the problem of not being able to adapt to different steel frame positions in the prior art is solved, and the construction efficiency and stability are improved.
Patent Information
- Application Number
- CN202422095676.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-08-28
AI Technical Summary
The existing arch foot pad tooling cannot adapt to the steel frame staking position of different heights, resulting in inefficient construction.
A tunnel primary steel arch frame arch foot support pad tooling including a first support member, a screw, a sleeve, an adjustment nut and a second support member is designed. By adjusting the thread coordination between the nut and the screw, the height of the arch foot support pad tooling is accurately adjusted to adapt to different steel frame positions.
It improves construction efficiency, enhances construction stability and accuracy, and adapts to steel frame staking positions with different heights.
Smart Images
Figure CN223152073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tunnel construction, in particular to an arch foot support tooling for the primary support steel arch in a tunnel. Background Art
[0002] Before installing the primary support steel arch, first locate and lay out the installation position of the steel arch according to the positioning, clean the arch foot part of the steel arch at this place until the bottom rock surface is cleaned, then place the arch foot support tooling. After the arch foot support tooling is installed, then install the primary support steel arch. However, due to the fixed height of the existing arch foot support tooling, it cannot adapt to the steel arch positions with different heights. Summary of the Utility Model
[0003] The utility model provides an arch foot support tooling for the primary support steel arch in a tunnel, which is used to solve the problem that the existing arch foot support tooling cannot adapt to the lofting positions of steel arches with different heights.
[0004] The utility model provides an arch foot support tooling for the primary support steel arch in a tunnel, including:
[0005] A first support member, which is used to abut against the bottom of the primary support steel arch;
[0006] A screw rod, the first end of which is connected to the first support member;
[0007] A sleeve, which is sleeved on the outer periphery of the second end of the screw rod;
[0008] An adjusting nut, which is arranged at the first end of the sleeve and is in threaded cooperation with the second end of the screw rod;
[0009] A second support member, which is connected to the second end of the sleeve and is used to abut against the ground.
[0010] According to the arch foot support tooling for the primary support steel arch in a tunnel provided by the utility model, both the first support member and the second support member are plate-shaped structures, and the area of the first support member is less than or equal to the area of the second support member.
[0011] According to the arch foot support tooling for the primary support steel arch in a tunnel provided by the utility model, the first support member and the second support member are arranged in parallel.
[0012] According to the arch foot support tooling for the primary support steel arch in a tunnel provided by the utility model, the width of the first support member is 250 mm - 350 mm, the length of the first support member is 250 mm - 350 mm, and the thickness of the first support member is 10 mm - 20 mm.
[0013] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, the width of the second support member is 250 mm - 350 mm, the length of the second support member is 250 mm - 350 mm, and the thickness of the second support member is 10 mm - 20 mm.
[0014] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, it further includes a plurality of strengthening members. The plurality of strengthening members are arranged at intervals on the outer periphery of the first end of the screw rod, and each strengthening member is connected to the first support member and the screw rod.
[0015] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, the inner wall of the sleeve is provided with internal threads, and the sleeve is in threaded cooperation with the second end of the screw rod through the internal threads.
[0016] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, the outer peripheral surface of the adjusting nut is provided with an annular groove, and an annular convex rib is provided at the edge of one end of the sleeve. The annular convex rib is embedded in the annular groove and is in rotational cooperation with the annular groove.
[0017] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, a distance measuring sensor is provided on the side of the second support member facing the first support member, and the distance measuring sensor is used to detect the distance between the first support member and the second support member.
[0018] According to a tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model, a bubble level is provided on the side of the second support member facing the first support member.
[0019] The tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model is in threaded cooperation through the adjusting nut and the screw rod. During use, by rotating the adjusting nut, the rotating adjusting nut makes the screw rod rise or fall under the action of the threads, thereby achieving the purpose of accurately adjusting the height of the arch foot support pad tooling, and can adapt to the lofting positions of steel frames with different heights, improving the construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0021] Figure 1 It is a three-dimensional structural schematic diagram of the tunnel primary support steel arch frame arch foot support pad tooling provided by the present utility model.
[0022] Figure 2 This is a schematic structural view of the screw rod and the first support member provided by the present utility model.
[0023] Reference numerals:
[0024] 100, the first support member; 200, the sleeve; 300, the screw rod; 400, the adjusting nut; 500, the second support member; 600, the reinforcing member; 700, the ranging sensor; 800, the bubble level; 900, the pressure sensor. Specific embodiments
[0025] To make the objectives, technical solutions and advantages of the present utility model clearer, the technical solutions in the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. Apparently, the described embodiments are some but not all of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model without making creative efforts shall fall within the protection scope of the present utility model.
[0026] In the description of the embodiments of the present utility model, it should be noted that the orientation or positional relationships indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0027] In the description of the embodiments of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.
[0028] In the embodiments of the present utility model, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may mean that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply indicates that the horizontal height of the first feature is less than that of the second feature.
[0029] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the embodiments of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.
[0030] The following is combined with Figure 1 - Figure 2 to describe the specific structure and usage method of the arch foot support tooling of the tunnel primary support steel arch frame of the present utility model.
[0031] Figure 1 is a three-dimensional structural schematic diagram of the arch foot support tooling of the tunnel primary support steel arch frame provided by the present utility model, Figure 2 is a structural schematic diagram of the screw rod and the first support member provided by the present utility model. As Figure 1 and Figure 2 shown, the arch foot support tooling of the tunnel primary support steel arch frame includes a first support member 100, a sleeve 200, a screw rod 300, an adjusting nut 400, and a second support member 500. The first support member 100 is used to abut against the bottom of the primary support steel arch frame. The first end of the screw rod 300 is connected to the first support member 100. The sleeve 200 is sleeved on the outer periphery of the second end of the screw rod 300. The adjusting nut 400 is arranged at the first end of the sleeve 200, and the adjusting nut 400 is in threaded cooperation with the second end of the screw rod 300. The second support member 500 is connected to the second end of the sleeve 200, and the second support member 500 is used to abut against the ground.
[0032] The arch foot support tooling for the primary support steel arch in the tunnel provided by the utility model realizes the precise adjustment of the height of the arch foot support tooling by the threaded cooperation between the adjusting nut 400 and the screw rod 300. During use, by rotating the adjusting nut 400, the rotating adjusting nut 400 makes the screw rod 300 rise or fall under the action of the thread, thereby achieving the purpose of precisely adjusting the height of the arch foot support tooling, which can adapt to the lofting positions of steel frames with different heights and improves the construction efficiency.
[0033] In an embodiment of the utility model, both the first support member 100 and the second support member 500 are plate-like structures. By adopting the support members with plate-like structures, the contact surfaces with the ground and the primary support steel arch are increased, and the stability of the arch foot support tooling for the primary support steel arch in the tunnel is enhanced. The area of the first support member 100 is less than or equal to the area of the second support member 500. Since the second support member 500 is in contact with the bottom surface, usually the bottom surface is not flat. By using the second support member 500 with a larger area to contact the bottom surface, the stability of the arch foot support tooling for the primary support steel arch in the tunnel is effectively improved.
[0034] In an embodiment of the utility model, the materials of both the first support member 100 and the second support member 500 are metals. The first end of the screw rod 300 is welded to the side of the first support member 100 facing the second support member 500. Of course, the first end of the screw rod 300 can also be integrally formed with the first support member 100. The second end of the sleeve 200 is welded to the side of the second support member 500 facing the first support member 100. Of course, the second end of the sleeve 200 can also be integrally formed with the second support member 500.
[0035] In an embodiment of the utility model, the first support member 100 and the second support member 500 are arranged in parallel. When the second support member 500 is placed horizontally, since the first support member 100 and the second support member 500 are arranged in parallel, at this time, the first support member 100 is also in a horizontal state, ensuring that the bottom of the primary support steel arch is on a horizontal plane. During installation, as long as the second support member 500 is in a horizontal state, the first support member 100 will surely be in a horizontal state, simplifying the installation method and improving the construction efficiency.
[0036] In an embodiment of the utility model, the width of the first support member 100 is 250 mm - 350 mm, the length of the first support member 100 is 250 mm - 350 mm, and the thickness of the first support member 100 is 10 mm - 20 mm. In this embodiment, the length of the first support member 100 is 300 mm, and the width of the first support member 100 is also 300 mm, that is, the first support member 100 is a square plate body, and the thickness of the first support member 100 is 15 mm. Of course, the dimensions of the first support member 100 are not limited to this, and are specifically determined according to the weight of the primary support steel arch in the tunnel and the number of arch foot support toolings for the primary support steel arch in the tunnel.
[0037] In an embodiment of the present utility model, the width of the second support member 500 is 250 mm - 350 mm, the length of the second support member 500 is 250 mm - 350 mm, and the thickness of the second support member 500 is 10 mm - 20 mm. In this embodiment, the length of the second support member 500 is 300 mm, and the width of the second support member 500 is also 300 mm, that is, the second support member 500 is a square plate body, and the thickness of the second support member 500 is 15 mm. Of course, the size of the second support member 500 is not limited thereto, and is specifically determined according to the weight of the initial support steel arch of the tunnel and the number of arch foot padding toolings of the initial support steel arch frame of the tunnel.
[0038] In an embodiment of the present utility model, the sleeve 200 has a hollow tubular structure, the outer diameters of both ends of the sleeve 200 are equal, and the central axis of the sleeve 200 and the central axis of the screw 300 are the same straight line. The length of the sleeve 200 is greater than the length of the screw 300, so that the screw 300 can enter the sleeve 200 as much as possible, ensuring that the arch foot padding tooling can be shortened to the minimum length.
[0039] In a preferred embodiment of the present utility model, the sleeve 200 has a hollow tubular structure, and the outer diameter of the first end of the sleeve 200 is smaller than the outer diameter of the second end of the sleeve 200. In this way, the second end of the sleeve 200 and the second support member 500 have a larger contact surface, enhancing the connection strength between the second end of the sleeve 200 and the second support member 500.
[0040] In a preferred embodiment of the present utility model, a connection hole is provided on the side of the second support member 500 facing the first support member 100. The connection hole is a blind hole. The second end of the sleeve 200 is embedded in the connection hole of the second support member 500 and is welded to the second support member 500. Before welding the sleeve 200 and the second support member 500, the second end of the sleeve 200 is embedded in the connection hole, increasing the contact surface between the sleeve 200 and the second support member 500, and further enhancing the connection strength between the second end of the sleeve 200 and the second support member 500.
[0041] In an embodiment of the present utility model, the arch foot support tooling for the tunnel primary support steel arch also includes a plurality of strengthening members 600. The strengthening members 600 are in a sheet-like structure. The plurality of strengthening members 600 are arranged at intervals on the outer periphery of the first end of the screw 300. Each strengthening member 600 is connected to the first support member 100 and the screw 300. Specifically, the plurality of strengthening members 600 are arranged at equal intervals along the circumferential direction of the screw 300. The strengthening members 600 are connected to the first support member 100 and the screw 300 by welding. Since the outer diameter of the screw 300 is relatively smaller than the outer diameter of the sleeve 200, the welding surface between the screw 300 and the first support member 100 is smaller. By using the strengthening members 600 to connect the first support member 100 and the screw 300, the connection strength between the first support member 100 and the screw 300 is enhanced. Of course, the specific structural form of the strengthening members 600 is not limited to the sheet-like structure, and a rod-like or other structural forms can also be adopted.
[0042] In an embodiment of the present utility model, the inner wall of the sleeve 200 is provided with internal threads. The sleeve 200 is in threaded fit with the second end of the screw 300 through the internal threads. In this embodiment, the adjusting nut 400 abuts against one end of the sleeve 200.
[0043] In an embodiment of the present utility model, the first support member 100 is provided with at least one first through hole, and the primary support steel arch is provided with a second through hole. The positions of the first through hole and the second through hole correspond. After the arch foot support tooling for the tunnel primary support steel arch is installed in place, by inserting the locking member into the first through hole and the second through hole, the relative movement of the first support member 100 relative to the tunnel primary support steel arch is prevented, realizing the locking of the primary support steel arch and the arch foot support tooling, and improving the stability of the arch foot support tooling for the tunnel primary support steel arch.
[0044] In an embodiment of the present utility model, the outer peripheral surface of the adjusting nut 400 is provided with an annular groove, and the edge of one end of the sleeve 200 is provided with an annular convex rib. The annular convex rib is embedded in the annular groove and is in rotational fit with the annular groove. Since the annular convex rib is in rotational fit with the annular groove, the adjusting nut 400 can rotate around the axis of the screw 300. By rotating the adjusting nut 400, the screw 300 can be raised or lowered.
[0045] In one embodiment of the utility model, a distance sensor 700 is provided on the side of the second support member 500 facing the first support member 100, and the distance sensor 700 is used to detect the distance between the first support member 100 and the second support member 500. When in use, multiple distance sensors 700 are electrically connected to the control device through wires, and the distance detected by the distance sensor 700 can be displayed by the control device. The construction personnel adjust the height of the arch foot support pad tooling according to the distance detected by each distance sensor 700, which effectively improves the construction accuracy. When the positions of the steel frames laid out are at the same height, by adjusting the heights of different arch foot support pad tooling according to the height detected by each distance sensor 700, it can be ensured that the first support member 100 of each arch foot support pad tooling is at the same horizontal plane.
[0046] In one embodiment of the utility model, a bubble level 800 is provided on one side of the second support member 500 facing the first support member 100. Preferably, the bubble level 800 is preferably a circular bubble level 800. By providing the bubble level 800, the second support member 500 can be easily adjusted to a horizontal state. As long as the bubble is located at the center of the circular bubble level 800, it means that the second support member 500 is in a horizontal state, and the tunnel primary support steel arch frame can be installed on the first support member 100.
[0047] In one embodiment of the utility model, a pressure sensor 900 is provided on the side of the first support member 100 facing away from the second support member 500. The pressure sensor 900 is used to detect the pressure on the arch foot support tooling. The pressure on each arch foot support tooling is monitored. When the pressure on a certain arch foot support tooling is too large, the height of the first support member 100 can be lowered by rotating the adjusting nut 400, thereby reducing the pressure on the arch foot support tooling.
[0048] Method of using the arch foot support tooling of the tunnel primary support steel arch frame:
[0049] Before installing the primary steel arch frame, first mark out the installation position of the steel frame according to the positioning, clean the installation position of the steel frame until the bottom rock surface is cleared, and then place the arch foot support tooling after the rock surface is leveled; by rotating the adjusting nut 400, the adjusting nut 400 drives the screw rod 300 to rise or fall, thereby changing the height of the first support member 100, and after adjusting the first support member 100 to a suitable height, install the primary steel arch frame.
[0050] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A tunnel initial support steel arch foot cushioning tooling, characterized in that Comprising: A first support member (100) for abutting against the bottom of the primary support steel arch; A screw (300) having a first end connected to the first support member (100); A sleeve (200) sleeved on the outer periphery of the second end of the screw (300); An adjusting nut (400) disposed at the first end of the sleeve (200), the adjusting nut (400) being in threaded engagement with the second end of the screw (300); A second support member (500) connected to the second end of the sleeve (200) for abutting against the ground.
2. The arch foot support tooling for the initial support steel arch in the tunnel according to claim 1, characterized in that, Both the first support member (100) and the second support member (500) are plate-like structures, and the area of the first support member (100) is less than or equal to the area of the second support member (500).
3. The arch foot support tooling for the initial support steel arch in the tunnel according to claim 2, characterized in that, The first support member (100) and the second support member (500) are arranged in parallel.
4. The arch foot support tooling for the initial support steel arch in the tunnel according to claim 2, characterized in that The width of the first support member (100) is 250 mm - 350 mm, the length of the first support member (100) is 250 mm - 350 mm, and the thickness of the first support member (100) is 10 mm - 20 mm.
5. The arch foot supporting tooling for the initial support steel arch in the tunnel according to claim 2, characterized in that, The width of the second support member (500) is 250 mm - 350 mm, the length of the second support member (500) is 250 mm - 350 mm, and the thickness of the second support member (500) is 10 mm - 20 mm.
6. The arch foot support tooling for the initial support steel arch in the tunnel according to any one of claims 1 to 5, characterized in that It further includes a plurality of reinforcing members (600) spacedly arranged on the outer periphery of the first end of the screw (300), and each reinforcing member (600) is connected to the first support member (100) and the screw (300).
7. The arch foot support tooling for the initial support steel arch in the tunnel according to any one of claims 1 to 5, characterized in that The inner wall of the sleeve (200) is provided with internal threads, and the sleeve (200) is in threaded engagement with the second end of the screw (300) through the internal threads.
8. The tunnel primary support steel arch foot support tooling according to any one of claims 1 to 5, characterized in that, The outer peripheral surface of the adjusting nut (400) is provided with an annular groove, and the edge of one end of the sleeve (200) is provided with an annular rib, and the annular rib is embedded in the annular groove and is in rotational engagement with the annular groove.
9. The arch foot support tooling for the initial support steel arch in the tunnel according to any one of claims 1 to 5, characterized in that, A distance measuring sensor (700) is provided on the side of the second support member (500) facing the first support member (100) for detecting the distance between the first support member (100) and the second support member (500).
10. The arch foot support tooling for the initial support steel arch in the tunnel according to any one of claims 1 to 5, characterized in that, A bubble level (800) is provided on the side of the second support member (500) facing the first support member (100).