Supporting frame for highway tunnel construction

Abstract

The utility model relates to the technical field of highway tunnel construction, in particular to a supporting frame for highway tunnel construction, which comprises a folding component, and a limiting component is arranged above the folding component. And the limiting assembly comprises a supporting column, a top plate is installed above the supporting column, a lead screw is inserted into the supporting column and the top plate in a penetrating mode, a rotating plate is connected to the upper portion of the lead screw, a nut pair is connected to the outer wall of the lead screw, and a moving plate is arranged on the outer wall of the nut pair. According to the supporting frame, through the arrangement of the limiting assembly, the rubber pad below the movable plate makes contact with a cable and limits the cable, the friction force between the rubber pad and the cable is increased, multiple cables can be rapidly limited, operation can be completed by one person, working efficiency is improved, through the arrangement of the folding assembly, the frame body is parallel to the wall, and the supporting frame is convenient to use. The follow-up limiting of the cable is not affected, the space is not occupied, and the worker is prevented from touching the cable during construction.

Description

Technical Field

[0001] The utility model relates to the technical field of highway tunnel construction, in particular to a supporting frame for highway tunnel construction. Background Art

[0002] When carrying out construction inside a tunnel, a support frame is usually required to support the cables to facilitate subsequent power construction.

[0003] However, after the existing support frame is fixed on the wall, the cable is placed on the support frame, and the cable needs to be fixed to the support frame with wire. One hand stabilizes the cable, and the other hand winds the wire around the cable and the support frame. The operation is complicated and difficult for one person to complete, which increases labor costs and is inefficient. Utility Model Content

[0004] The utility model aims to provide a support frame for highway tunnel construction, so as to solve the problem in the above background technology that it is difficult for one person to complete the operation of fixing the cable.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a support frame for highway tunnel construction, comprising:

[0006] A folding component, a limiting component is arranged above the folding component;

[0007] The limit assembly includes a support column, a top plate is installed above the support column, a screw rod is inserted into the support column and the top plate, a rotating plate is connected above the screw rod, a nut pair is connected to the outer wall of the screw rod, a movable plate is provided on the outer wall of the nut pair, and baffles are installed below both ends of the movable plate.

[0008] Preferably, the folding component includes a fixed plate, expansion bolts penetrate the upper and lower ends of the fixed plate, a slider is provided inside the fixed plate, a fixing bolt penetrates the inside of one side of the fixed plate, an axle rod is provided inside the slider, the outer wall of the axle rod is connected to a frame, a spring is provided inside the upper side of the fixed plate, and one end of the spring is connected to a limiting block.

[0009] Preferably, the fixing plate is provided with a plurality of holes corresponding to the fixing bolts, and the sliding block is provided with holes corresponding to the fixing bolts.

[0010] Preferably, the frame body is rotatably connected to the shaft rod, and the fixing bolt is threadedly connected to the frame body.

[0011] Preferably, the frame body is provided with a groove corresponding to the baffle, and the frame body is provided with a hole corresponding to the limit block.

[0012] Preferably, two ends of the spring are fixedly connected to the fixed plate and the limit block respectively, the support column is fixedly connected to the frame body, and a rubber pad is provided under the movable plate.

[0013] Preferably, the screw rod is rotatably connected to the top plate, the rotating plate is fixedly connected to the screw rod, and the nut pair is fixedly connected to the movable plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] (1) The new support frame is provided with a limit assembly. The cable is first passed through the frame body and the movable plate. One hand stabilizes the cable and the other hand rotates the rotating plate. The rotating plate drives the screw rod to rotate, and the screw rod drives the nut pair to move downward. The nut pair drives the movable plate to move downward. The rubber pad under the movable plate contacts the cable to limit the cable. The rubber pad increases the friction between the cable and the cable, which can quickly complete the limitation of multiple cables. One person can complete the operation, thereby improving work efficiency.

[0016] (2) The new support frame is equipped with a folding component. Different lines require different cables to be laid on the frame at different positions. When some frames are not in use, the fixing bolts can be unscrewed from the frame, and the slider can be moved to the top of the fixing plate. One hand presses the limit block into the fixing plate, and the other hand rotates the frame by ninety degrees. Under the elastic force of the spring, the limit block is inserted into the hole of the frame to limit the frame. The frame is parallel to the wall, which does not affect the subsequent cable limitation, does not take up space, and avoids contact during construction by workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view schematic diagram of the overall structure of the utility model;

[0018] Figure 2 For the utility model Figure 1 Schematic diagram of the structure of part A;

[0019] Figure 3 It is an exploded schematic diagram of the folding assembly of the utility model;

[0020] Figure 4 It is a schematic cross-sectional structure diagram of the limit assembly of the utility model;

[0021] Figure 5 It is an exploded schematic diagram of the limit assembly of the utility model.

[0022] In the figure: 01, folding assembly; 11, fixing plate; 12, expansion bolt; 13, slider; 14, fixing bolt; 15, shaft; 16, frame; 17, spring; 18, limit block; 02, limit assembly; 21, support column; 22, top plate; 23, screw rod; 24, rotating plate; 25, nut pair; 26, movable plate; 27, baffle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides an embodiment: a support frame for highway tunnel construction. The expansion bolts 12 and nut pairs 25 used in this application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be repeated here.

[0025] It comprises: a folding component 01, and a limiting component 02 is arranged above the folding component 01;

[0026] The limiting component 02 includes a support column 21, a top plate 22 is installed above the support column 21, a screw rod 23 is inserted inside the support column 21 and the top plate 22, a rotating plate 24 is connected to the top of the screw rod 23, a nut pair 25 is connected to the outer wall of the screw rod 23, the nut pair 25 can drive the movable plate 26 to move, and the rubber pad under the movable plate 26 can limit the cable after contacting with the cable, the outer wall of the nut pair 25 is provided with a movable plate 26, and baffles 27 are installed under the two ends of the movable plate 26, and the baffles 27 can ensure that the cable does not move to both sides to prevent the cable from detaching from the frame 16.

[0027] Furthermore, the folding component 01 includes a fixed plate 11, and expansion bolts 12 are penetrated inside the upper and lower ends of the fixed plate 11, a slider 13 is arranged inside the fixed plate 11, and a fixing bolt 14 is penetrated inside one side of the fixed plate 11. The fixing bolt 14 is passed through the holes of the fixed plate 11 and the slider 13 and screwed into the frame 16 to limit the frame 16. An axle rod 15 is arranged inside the slider 13, and the outer wall of the axle rod 15 is connected to the frame 16. A spring 17 is arranged inside the upper side of the fixed plate 11, and the spring 17 provides elastic force. Under the elastic force of the spring 17, the limit block 18 is inserted into the hole of the frame 16 to limit the frame 16. One end of the spring 17 is connected to the limit block 18, and the limit block 18 is inserted into the hole of the frame 16 to limit the frame 16.

[0028] Furthermore, the fixing plate 11 is provided with a plurality of holes corresponding to the fixing bolts 14, so that the slider 13 can be adjusted to multiple positions. The slider 13 is provided with holes corresponding to the fixing bolts 14. The fixing bolts 14 are passed through the holes of the fixing plate 11 and the slider 13 and screwed into the frame 16, so that the frame 16 can be limited.

[0029] Furthermore, the frame 16 is rotationally connected to the shaft 15 , and the fixing bolt 14 is threadedly connected to the frame 16 . The fixing bolt 14 is screwed into the frame 16 through the holes of the fixing plate 11 and the slider 13 , so as to limit the position of the frame 16 .

[0030] Furthermore, the frame 16 is provided with a groove corresponding to the baffle 27, and the baffle 27 can ensure that the cable does not move to the sides to prevent the cable from detaching from the frame 16. The frame 16 is provided with a hole corresponding to the limit block 18, and the limit block 18 is inserted into the hole of the frame 16 to limit the frame 16.

[0031] Furthermore, the two ends of the spring 17 are fixedly connected to the fixed plate 11 and the limit block 18 respectively. The spring 17 provides elastic force. Under the elastic force of the spring 17, the limit block 18 is inserted into the hole of the frame 16 to limit the frame 16. The support column 21 is fixedly connected to the frame 16 to ensure the stability of the support column 21. A rubber pad is arranged under the movable plate 26 to increase the friction between the movable plate 26 and the cable.

[0032] Furthermore, the screw rod 23 is rotatably connected to the top plate 22 to ensure that the top plate 22 does not affect the rotation of the screw rod 23. The rotating plate 24 is fixedly connected to the screw rod 23 to ensure that the rotation of the rotating plate 24 can drive the screw rod 23 to rotate. The rotation of the screw rod 23 drives the nut pair 25 to move. The nut pair 25 is fixedly connected to the movable plate 26 to ensure that the nut pair 25 can drive the movable plate 26 to move. After the rubber pad under the movable plate 26 contacts the cable, the cable can be limited.

[0033] Working principle: When using, first unscrew the fixing bolts 14 in the unused frame 16 according to the needs of the cable, move the slider 13 to the top of the fixed plate 11, press the limit block 18 into the fixed plate 11 with one hand, and rotate the frame 16 with the other hand. Rotate the frame 16 ninety degrees. Under the elastic force of the spring 17, the limit block 18 is inserted into the hole of the frame 16 to limit the frame 16. The frame 16 is parallel to the wall. Then place the cable on the used frame 16, stabilize the cable with one hand, and rotate the rotating plate 24 with the other hand. The rotating plate 24 drives the screw rod 23 to rotate, and the screw rod 23 drives the nut pair 25 to move downward. The nut pair 25 drives the moving plate 26 to move downward, and the rubber pad under the moving plate 26 contacts the cable to limit the cable. The above is the entire working principle of the utility model.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A support frame for highway tunnel construction, characterized in that: include: A folding component (01), wherein a limiting component (02) is arranged above the folding component (01); A limit assembly (02), the limit assembly (02) comprising a support column (21), a top plate (22) being installed above the support column (21), a screw rod (23) being inserted into the interior of the support column (21) and the top plate (22), a rotating plate (24) being connected to the top of the screw rod (23), a nut pair (25) being connected to the outer wall of the screw rod (23), a movable plate (26) being provided on the outer wall of the nut pair (25), and baffles (27) being installed below both ends of the movable plate (26).

2. A support frame for highway tunnel construction according to claim 1, characterized in that: The folding assembly (01) comprises a fixing plate (11), expansion bolts (12) are inserted into the upper and lower ends of the fixing plate (11), a slider (13) is arranged inside the fixing plate (11), a fixing bolt (14) is inserted into one side of the fixing plate (11), an axle rod (15) is arranged inside the slider (13), the outer wall of the axle rod (15) is connected to a frame (16), a spring (17) is arranged inside the upper side of the fixing plate (11), and one end of the spring (17) is connected to a limiting block (18).

3. A support frame for highway tunnel construction according to claim 2, characterized in that: The fixing plate (11) is provided with a plurality of holes corresponding to the fixing bolts (14), and the sliding block (13) is provided with holes corresponding to the fixing bolts (14).

4. A support frame for highway tunnel construction according to claim 2, characterized in that: The frame body (16) is rotatably connected to the shaft rod (15), and the fixing bolt (14) is threadedly connected to the frame body (16).

5. A support frame for highway tunnel construction according to claim 2, characterized in that: The frame (16) is provided with a groove corresponding to the baffle (27), and the frame (16) is provided with a hole corresponding to the limit block (18).

6. A support frame for highway tunnel construction according to claim 2, characterized in that: The two ends of the spring (17) are fixedly connected to the fixed plate (11) and the limit block (18) respectively, the support column (21) is fixedly connected to the frame (16), and a rubber pad is arranged below the movable plate (26).

7. A support frame for highway tunnel construction according to claim 1, characterized in that: The screw rod (23) is rotatably connected to the top plate (22), the rotating plate (24) is fixedly connected to the screw rod (23), and the nut pair (25) is fixedly connected to the moving plate (26).

Images