Welding-free fixing clamp for tunnel feet-lock bolt

Abstract

The utility model relates to the field of tunnel construction, in particular to a welding-free fixing clamp for a tunnel feet-lock bolt. Comprising a mounting plate and an anchor rod body, a plurality of bolts are arranged on the side face of the mounting plate in a threaded penetrating mode, an adjusting structure is arranged on the side, close to the anchor rod body, of the mounting plate, the adjusting structure comprises a fixing column, one end of the fixing column is fixedly connected with the mounting plate, and two fixing holes are formed in the arc face of the fixing column; the end, close to the mounting plate, of the anchor rod body is fixedly connected with a connecting pipe, and the inner wall of the connecting pipe is slidably connected with the fixing column. According to the welding-free fixing clamp for the tunnel feet-lock anchor rod, personnel can conveniently adjust the fixing block to clamp and limit the anchor rod body, the installation accuracy of the anchor rod is improved, the anchor rod does not need to be fixed in a welding mode, and the welding-free effect is achieved. And therefore, the construction quality is prevented from being influenced by shaking of the anchor rod when a worker holds the anchor rod for welding.

Description

Technical Field

[0001] The utility model relates to the field of tunnel construction, in particular to a welding-free fixing clamp for a tunnel locking anchor rod. Background Art

[0002] Locking the feet refers to the process of fixing the feet of the steel arch frame after the excavation of the upper steps of the tunnel is completed and the steel arch frame is erected.

[0003] The utility model with announcement number CN206972269U discloses a tunnel anchor foot locking device. In order to solve the problem that the labor intensity of welding is high during the construction process, and the harmful gases generated by welding in the tunnel due to limited space cause certain harm to the construction personnel, the technical solution key points are as follows: it comprises a locking foot plate, both ends of the locking foot plate are penetrated with anchor rod bodies, the two anchor rod bodies are respectively provided with a first nut and a second nut on both sides of the locking foot plate, one side of the locking foot plate is vertically provided with two fixing blocks located between the two anchor rod bodies, a long strip slide groove is opened on the locking foot plate between the two fixing blocks, the two fixing blocks are penetrated with fastening screws, the ends of the fastening screws are connected with fastening blocks, and the two fastening blocks are fixed with sliders on one side corresponding to the locking foot plate, and the sliders are clamped in the slide groove. The utility model avoids the use of electric welding in tunnel construction, and effectively reduces the labor intensity and the harm to the construction personnel caused by the harmful gases generated in welding.

[0004] In order to solve the problem that the welding labor intensity is high during the welding construction of the anchor body, and the harmful gases generated by welding in the tunnel due to limited space will cause certain harm to the construction workers, the main body application provides another technical solution to this technical problem, aiming to provide people in this field with a variety of solutions to this technical problem. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a welding-free fixing fixture for a tunnel locking anchor rod.

[0006] To solve the above technical problems, the utility model provides a welding-free fixing fixture for tunnel locking anchor rods, comprising: a mounting plate and an anchor rod body, a side surface of the mounting plate being threaded with a plurality of bolts, an adjustment structure being provided on the side where the mounting plate and the anchor rod body are close to each other, the adjustment structure comprising a fixing column, one end of the fixing column being fixedly connected to the mounting plate, the circular arc surface of the fixing column being provided with two fixing holes, one end of the anchor rod body close to the mounting plate being fixedly connected with a connecting tube, the inner wall of the connecting tube being slidably connected to the fixing column, the circular arc surface of the connecting tube being fixedly connected with two connecting tubes, the connecting tube being communicated with the inner wall of the connecting tube, a screw rod being threaded with a screw rod on one side of the connecting tube, one end of the screw rod being rotatably connected with a fixing block, the fixing block being slidably connected to the inner wall of the connecting tube, and the size of the fixing block is adapted to the size of the fixing hole.

[0007] The effect achieved by the above components is: by setting the adjustment structure, personnel can easily adjust the fixing block to clamp and limit the anchor rod body, thereby improving the installation accuracy of the anchor rod, and there is no need to use welding to fix the anchor rod, thereby avoiding the shaking of the anchor rod when personnel hold the anchor rod for welding, affecting the construction quality.

[0008] Preferably, the arc surface of the fixing column is provided with two positioning grooves, the inner walls of the positioning grooves are slidably connected with positioning plates, and the positioning plates are fixedly connected to the inner wall of the connecting pipe.

[0009] The effect achieved by the above components is: when installing the anchor body, first insert the positioning plate fixed on the connecting pipe into the positioning groove on the arc surface of the fixing column, so that the fixing block and the fixing hole can be quickly aligned, thereby improving the installation and fixing speed of the anchor body.

[0010] Preferably, two guide rods are slidably penetrated through one side of the connecting tube, and one end of the guide rod is fixedly connected to the fixing block.

[0011] The effect achieved by the above components is that when the screw rod is rotated to drive the fixed block to move, the guide rod can guide and position the fixed block, thereby improving the stability of the fixed block during movement.

[0012] Preferably, a rubber pad is fixedly connected to one side of the fixing block close to the fixing hole, and the rubber pad is adapted to the size of the fixing block.

[0013] The effect achieved by the above components is that the rubber pad can increase the friction force on one side of the fixing block, thereby achieving the effect of making the fixing block more stably fixed in the fixing hole.

[0014] Preferably, a handle is fixedly connected to the arc surface of the connecting pipe, and the cross-section of the handle is "U"-shaped.

[0015] The effect achieved by the above components is that when installing the anchor rod body, the personnel can hold the handle to fix the connecting pipe, thereby preventing the connecting pipe from shaking during the process of docking the connecting pipe with the fixing column.

[0016] Preferably, the arc surface of the anchor body is provided with an auxiliary structure, and the auxiliary structure includes a slip ring, which is slidably connected to the arc surface of the anchor body, the outer wall of the slip ring is fixedly connected to a rotating seat, the inner wall of the rotating seat is rotatably connected to a rotating shaft, the arc surface of the rotating shaft is fixedly connected to a telescopic rod, and the mounting plate is fixedly connected to a partition plate on one side close to the anchor body, a screw is threaded through the side surface of the partition plate, and the screw is threadedly connected to the output end of the telescopic rod.

[0017] The effect achieved by the above components is: by setting the auxiliary structure, after the anchor body is installed, personnel can easily adjust the telescopic rod to support and reinforce the anchor body, thereby improving the installation stability of the anchor body.

[0018] Preferably, one end of the screw has a conical structure.

[0019] The effect achieved by the above components is that by setting one end of the screw rod as a conical structure, the screw rod can be easily inserted into the interior of the telescopic rod, so that the telescopic rod can be quickly fixed.

[0020] Preferably, the arc surface of the rotating shaft is sleeved with a coil spring, and two ends of the coil spring are respectively fixedly connected to the rotating seat and the telescopic rod.

[0021] The effect achieved by the above components is that the coil spring can drive the telescopic rod to move quickly in the direction close to the partition, thereby achieving the effect of being able to conveniently control the telescopic rod.

[0022] Compared with the related art, the welding-free fixing fixture for tunnel locking anchor provided by the utility model has the following beneficial effects:

[0023] The utility model provides a welding-free fixing clamp for tunnel locking anchor rods. By arranging an adjustment structure, personnel can conveniently adjust the fixing block to clamp and limit the anchor rod body, thereby improving the installation accuracy of the anchor rod. There is no need to use welding to fix the anchor rod, thereby avoiding the shaking of the anchor rod when personnel hold the anchor rod for welding, which affects the construction quality.

[0024] By providing the auxiliary structure, after the anchor body is installed, personnel can conveniently adjust the telescopic rod to support and reinforce the anchor body, thereby improving the installation stability of the anchor body. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A schematic diagram of the structure of a welding-free fixing fixture for a tunnel locking anchor provided by the utility model;

[0026] Figure 2 for Figure 1 A schematic diagram of the structure of the regulatory structure shown;

[0027] Figure 3 for Figure 1 A schematic diagram of a partial structural disassembly of the regulating structure shown;

[0028] Figure 4 for Figure 1 A schematic diagram of the local structure of the regulating structure shown;

[0029] Figure 5 for Figure 1 A schematic diagram of the structure of the auxiliary structure shown;

[0030] Figure 6 for Figure 5 An enlarged view of point A is shown.

[0031] Numbers in the figure: 1. Mounting plate; 2. Bolt; 3. Adjustment structure; 301. Fixing column; 302. Fixing hole; 303. Connecting pipe; 304. Connecting pipe; 305. Screw; 306. Fixing block; 307. Guide rod; 308. Rubber pad; 309. Handle; 310. Positioning groove; 311. Positioning plate; 4. Auxiliary structure; 41. Slip ring; 42. Rotating seat; 43. Rotating shaft; 44. Telescopic rod; 45. Partition; 46. Screw; 47. Coil spring; 5. Anchor body. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0033] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0034] See also Figures 1 to 6 The embodiment of the utility model provides a welding-free fixing fixture for a tunnel locking anchor rod, comprising: a mounting plate 1 and an anchor rod body 5, a plurality of bolts 2 are threadedly passed through the side surface of the mounting plate 1, an adjustment structure 3 is provided on the side where the mounting plate 1 and the anchor rod body 5 are close to each other, and an auxiliary structure 4 is provided on the arc surface of the anchor rod body 5.

[0035] In the embodiments of the present invention, please refer to Figure 2 , Figure 3 and Figure 4The adjusting structure 3 includes a fixing column 301, one end of which is fixedly connected to the mounting plate 1, and two fixing holes 302 are provided on the arc surface of the fixing column 301. A connecting pipe 303 is fixedly connected to one end of the anchor rod body 5 close to the mounting plate 1, and the inner wall of the connecting pipe 303 is slidably connected to the fixing column 301. Two connecting pipes 304 are fixedly connected to the arc surface of the connecting pipe 303, and the connecting pipe 304 is connected to the inner wall of the connecting pipe 303. A screw rod 305 is threadedly penetrated on one side of the connecting pipe 304, and one end of the screw rod 305 is rotatably connected to a fixing block 306, and the fixing block 306 is connected to the engagement The inner wall of the pipe 304 is slidably connected, and the fixing block 306 is adapted to the size of the fixing hole 302. By setting the adjustment structure 3, personnel can easily adjust the fixing block 306 to clamp and limit the anchor rod body 5, thereby improving the installation accuracy of the anchor rod, and there is no need to use welding to fix the anchor rod, thereby avoiding the shaking of the anchor rod when the personnel hold the anchor rod for welding and affecting the construction quality. The arc surface of the fixing column 301 is provided with two positioning grooves 310, and the inner wall of the positioning groove 310 is slidably connected with a positioning plate 311. The positioning plate 311 is fixedly connected to the inner wall of the connecting pipe 303. When installing the anchor rod body When installing the anchor body 5, first insert the positioning plate 311 fixed on the connecting pipe 303 into the positioning groove 310 on the arc surface of the fixing column 301, so that the fixing block 306 can be quickly aligned with the fixing hole 302, thereby improving the installation and fixing speed of the anchor body 5. Two guide rods 307 are slidably penetrated on one side of the connecting pipe 304, and one end of the guide rod 307 is fixedly connected to the fixing block 306. When the screw rod 305 is rotated to drive the fixing block 306 to move, the guide rod 307 can guide and position the fixing block 306, thereby improving the stability of the fixing block 306 during the moving process, and the fixing block 306 is close to the fixing block 306. A rubber pad 308 is fixedly connected to one side of the fixing hole 302. The rubber pad 308 is adapted to the size of the fixing block 306. The rubber pad 308 can increase the friction force on one side of the fixing block 306, so that the fixing block 306 can be fixed in the fixing hole 302 more stably. A handle 309 is fixedly connected to the arc surface of the connecting pipe 303. The cross section of the handle 309 is "U"-shaped. When installing the anchor body 5, the personnel can hold the handle 309 to fix the connecting pipe 303, thereby preventing the connecting pipe 303 from shaking during the process of docking the connecting pipe 303 and the fixing column 301.

[0036] In the embodiments of the present invention, please refer to Figure 5 and Figure 6The auxiliary structure 4 includes a slip ring 41, which is slidably connected to the arc surface of the anchor body 5. The outer wall of the slip ring 41 is fixedly connected to a rotating seat 42, and the inner wall of the rotating seat 42 is rotatably connected to a rotating shaft 43. The arc surface of the rotating shaft 43 is fixedly connected to a telescopic rod 44. A partition 45 is fixedly connected to the side of the mounting plate 1 close to the anchor body 5. A screw 46 is threadedly penetrated through the side of the partition 45. The screw 46 is threadedly connected to the output end of the telescopic rod 44. By setting the auxiliary structure 4, after the anchor body 5 is installed, personnel can easily adjust the telescopic rod 44 to the anchor. The main body 5 is supported and reinforced, thereby improving the installation stability of the anchor body 5. One end of the screw rod 46 is a conical structure. By setting one end of the screw rod 46 to a conical structure, the screw rod 46 can be easily inserted into the telescopic rod 44, so that the telescopic rod 44 can be quickly fixed. The arc surface of the rotating shaft 43 is sleeved with a coil spring 47, and the two ends of the coil spring 47 are respectively fixedly connected to the rotating seat 42 and the telescopic rod 44. The coil spring 47 can drive the telescopic rod 44 to quickly move toward the direction close to the partition 45, thereby achieving the effect of being able to conveniently control the telescopic rod 44.

[0037] The working principle of a welding-free fixing fixture for a tunnel locking anchor provided by the utility model is as follows: when it is necessary to install the anchor body 5, first fix the mounting plate 1 to the side wall of the tunnel with the aid of the bolts 2, and then manually move the anchor body 5 to drive the connecting tube 303, and sleeve the connecting tube 303 on the arc surface of the fixing column 301. When installing the anchor body 5, first insert the positioning plate 311 fixed on the connecting tube 303 into the positioning groove 310 on the arc surface of the fixing column 301, so that the fixing block 306 can be quickly aligned with the fixing hole 302, thereby improving the installation and fixing speed of the anchor body 5. After the connecting tube 303 is sleeved on the arc surface of the fixing column 301, the screw rod 305 is rotated to drive the fixing block 306 to move to the inner wall of the fixing hole 302, and the anchor body 5 can be installed. The screw rod 305 is rotated to drive the fixing block During the movement of 306, the guide rod 307 can guide and position the fixed block 306, thereby improving the stability of the fixed block 306 during the movement process, wherein the rubber pad 308 can increase the friction force on one side of the fixed block 306, thereby achieving the effect of making the fixed block 306 more stably fixed in the fixing hole 302. In addition, when installing the anchor rod body 5, the personnel can hold the handle 309 to fix the connecting pipe 303, thereby avoiding the shaking of the connecting pipe 303 during the docking process of the connecting pipe 303 and the fixing column 301. By setting the adjustment structure 3, the personnel can easily adjust the fixed block 306 to clamp and limit the anchor rod body 5, thereby improving the installation accuracy of the anchor rod, and there is no need to use welding to fix the anchor rod, thereby avoiding the shaking of the anchor rod when the personnel hold the anchor rod for welding, affecting the construction quality.

[0038] When it is necessary to reinforce and support the anchor body 5, first adjust the slip ring 41 to move it to a suitable position on the arc surface of the anchor body 5, then pull the telescopic rod 44 to extend, so that the output end of the telescopic rod 44 fits with the partition 45, and finally rotate the screw 46 to connect with the telescopic rod 44, so that the anchor body 5 can be reinforced and supported. Among them, by setting one end of the screw 46 as a conical structure, the screw 46 can be easily inserted into the telescopic rod 44, so that the telescopic rod 44 can be quickly fixed. In addition, the coil spring 47 can drive the telescopic rod 44 to move quickly in the direction close to the partition 45, so as to achieve the effect of being able to conveniently control the telescopic rod 44. By setting the auxiliary structure 4, after the anchor body 5 is installed, the personnel can easily adjust the telescopic rod 44 to support and reinforce the anchor body 5, thereby improving the installation stability of the anchor body 5.

[0039] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0040] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A welding-free fixing fixture for a tunnel locking anchor rod, characterized in that: include: A mounting plate (1) and an anchor rod body (5), wherein a plurality of bolts (2) are threadedly penetrated on a side surface of the mounting plate (1), an adjustment structure (3) is provided on a side where the mounting plate (1) and the anchor rod body (5) are close to each other, and the adjustment structure (3) comprises a fixing column (301), one end of the fixing column (301) is fixedly connected to the mounting plate (1), two fixing holes (302) are provided on an arc surface of the fixing column (301), and one end of the anchor rod body (5) close to the mounting plate (1) is fixedly connected to a connecting pipe (303), and the connecting pipe (303) is provided on the arc surface of the fixing column (301). The inner wall of the tube (303) is slidably connected to the fixed column (301); the arc surface of the connecting tube (303) is fixedly connected to two connecting tubes (304); the connecting tubes (304) are communicated with the inner wall of the connecting tube (303); a screw rod (305) is threadedly penetrated on one side of the connecting tube (304); one end of the screw rod (305) is rotatably connected to a fixing block (306); the fixing block (306) is slidably connected to the inner wall of the connecting tube (304); and the size of the fixing block (306) is adapted to that of the fixing hole (302).

2. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 1, characterized in that: The arc surface of the fixing column (301) is provided with two positioning grooves (310), the inner wall of the positioning groove (310) is slidably connected with a positioning plate (311), and the positioning plate (311) is fixedly connected to the inner wall of the connecting pipe (303).

3. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 1, characterized in that: Two guide rods (307) are slidably provided on one side of the connecting tube (304), and one end of the guide rod (307) is fixedly connected to the fixing block (306).

4. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 1, characterized in that: A rubber pad (308) is fixedly connected to one side of the fixing block (306) close to the fixing hole (302), and the rubber pad (308) is adapted to the size of the fixing block (306).

5. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 1, characterized in that: The arc surface of the connecting pipe (303) is fixedly connected to a handle (309), and the cross section of the handle (309) is "U"-shaped.

6. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 1, characterized in that: The arc surface of the anchor rod body (5) is provided with an auxiliary structure (4), and the auxiliary structure (4) comprises a slip ring (41), and the slip ring (41) is slidably connected to the arc surface of the anchor rod body (5); the outer wall of the slip ring (41) is fixedly connected to a rotating seat (42), and the inner wall of the rotating seat (42) is rotatably connected to a rotating shaft (43); the arc surface of the rotating shaft (43) is fixedly connected to a telescopic rod (44); a partition (45) is fixedly connected to a side of the mounting plate (1) close to the anchor rod body (5); a screw (46) is threadedly penetrated through the side surface of the partition (45), and the screw (46) is threadedly connected to the output end of the telescopic rod (44).

7. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 6, characterized in that: One end of the screw rod (46) is in a conical structure.

8. A welding-free fixing fixture for a tunnel locking anchor rod according to claim 6, characterized in that: The arc surface of the rotating shaft (43) is sleeved with a coil spring (47), and the two ends of the coil spring (47) are respectively fixedly connected to the rotating seat (42) and the telescopic rod (44).

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