Diameter-variable steel reinforcement cage body pre-stressed anchor rod

Abstract

The utility model relates to the technical field of building anchor rods, in particular to a variable-diameter steel reinforcement cage body pre-stressed anchor rod which comprises a screw rod, a fixing pile and an adjusting mechanism, the fixing pile is fixedly connected with the screw rod and located below the screw rod, and the adjusting mechanism comprises a threaded ring, two handles, a connecting ring, a circular ring, a supporting block and four adjusting rods. The threaded ring is in threaded connection with the threaded rod and located at the upper end of the threaded rod, the two handles are fixedly connected with the threaded ring and located on the two sides of the threaded ring, the two connecting rings are fixedly connected with the threaded ring and located below the threaded ring, the circular ring is rotationally connected with the connecting rings, the supporting block is fixedly connected with the threaded rod, and the four adjusting rods are arranged between the circular ring and the supporting block. Through the arrangement of the structure, the problem that in the prior art, when the memory steel bar is adjusted, the opening size of the memory steel bar cannot be accurately controlled is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of building anchor rods, in particular to a prestressed anchor rod with a variable diameter steel bar cage. Background Art

[0002] Anchor rods are the most basic component of tunnel support in contemporary coal mines. They reinforce the surrounding rock of the tunnel so that the surrounding rock supports itself. Anchor rods are now not only used in mines, but also in engineering technology to reinforce slopes, tunnels, and dam bodies. As one of the main support forms for underground engineering and rock slopes, anchor rods play an important role in maintaining the stability of civil engineering. However, the existing stability is poor. When used, it is easy for the anchor rod to shift due to uneven force, thus affecting the use effect.

[0003] In the prior art, patent (CN220434791U) mentions a variable diameter steel cage prestressed anchor rod, including an anchor rod body, the top end of the anchor rod body is fixedly connected to a fixed circular plate, the surface of the fixed circular plate is fixedly connected to a fixed block, the surface of the fixed block is fixedly connected to a connecting circular plate, the bottom end of the connecting circular plate is fixedly connected to a damping expansion device, the bottom end of the damping expansion device is fixedly connected to an anti-slip plate, the top end of the fixed circular plate is slidably connected to a fixed rod, the bottom end of the fixed rod is fixedly connected to a sliding circular plate, the bottom end of the sliding circular plate is fixedly connected to a memory steel bar, and the bottom end of the memory steel bar is fixedly connected to a fixed circular seat. This prior art variable diameter steel cage prestressed anchor rod, through the provision of a damping expansion device and an anti-slip plate, can effectively reduce the occurrence of problems such as displacement of the anchor rod due to excessive force when a person operates the device.

[0004] However, in the above-mentioned prior art, when the memory steel bar is adjusted, the opening size of the memory steel bar cannot be accurately controlled. Utility Model Content

[0005] The utility model aims to provide a prestressed anchor rod with a variable diameter steel bar cage, which solves the problem in the prior art that the opening size of the memory steel bar cannot be accurately controlled when the memory steel bar is adjusted.

[0006] To achieve the above-mentioned purpose, the utility model provides a variable diameter steel cage prestressed anchor rod, including a screw rod, a fixing pile and an adjusting mechanism, wherein the fixing pile is fixedly connected to the screw rod and is located below the screw rod, and the adjusting mechanism includes a threaded ring, two handles, a connecting ring, a circular ring, a support block and four adjusting rods, the threaded ring is threadedly connected to the screw rod and is located at the upper end of the screw rod, two handles are fixedly connected to the threaded ring and are located on both sides of the threaded ring, two connecting rings are fixedly connected to the threaded ring and are located below the threaded ring, and the cross-section of the connecting ring is convex-shaped, the circular ring is rotatably connected to the connecting ring and is located below the threaded ring, the support block is fixedly connected to the screw rod and is located below the screw rod, and the four adjusting rods are arranged between the circular ring and the support block.

[0007] Among them, the adjusting rod includes a first rod body, a second rod body and four fixed blocks, the four fixed blocks are respectively fixedly connected to the ring and the support block, and are located on one side of the screw rod, one end of the first rod body and the second rod body are respectively rotatably connected to the corresponding fixed blocks, and the other end of the first rod body and the second rod body are rotatably connected.

[0008] Wherein, the handle comprises a connecting block and a round rod, the connecting block is fixedly connected to the threaded ring and is located on one side of the threaded ring, and the round rod is fixedly connected to the connecting block and is vertically arranged above the connecting block.

[0009] Wherein, the variable diameter steel cage prestressed anchor rod also includes four support components, and the four support components are respectively arranged on the outside of the ring.

[0010] Among them, each of the supporting assemblies includes a side rod, a telescopic rod, a spring and a support plate, the side rod is fixedly connected to the circular ring and is located on one side of the circular ring, one end of the telescopic rod is fixedly connected to the side rod, and the other end of the telescopic rod is fixedly connected to the support plate and is located below the side rod, and the spring is covered on the surface of the telescopic rod and is located between the side rod and the support plate.

[0011] The utility model discloses a variable diameter steel cage prestressed anchor rod, wherein the threaded ring is threadedly connected to the screw rod and is located at the upper end of the screw rod, two handles are fixedly connected to the threaded ring and are located at both sides of the threaded ring, two connecting rings are fixedly connected to the threaded ring and are located below the threaded ring, and the cross-section of the connecting ring is convex-shaped, the circular ring is rotatably connected to the connecting ring and is located below the threaded ring, the support block is fixedly connected to the screw rod and is located below the screw rod, and the four adjusting rods are arranged between the circular ring and the support block. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model.

[0014] Figure 2 It is an overall positive attempt of the first embodiment of the utility model.

[0015] Figure 3 The utility model Figure 2 AA line section view.

[0016] Figure 4 It is an overall structural diagram of the second embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the variable diameter structure of the second embodiment of the utility model.

[0018] Figure 6 It is a schematic structural diagram of the installation of the second embodiment of the utility model.

[0019] 101-screw rod, 102-fixing pile, 103-threaded ring, 104-connecting ring, 105-circular ring, 106-support block, 107-first rod body, 108-second rod body, 109-fixing block, 110-connecting block, 111-circular rod, 201-side rod, 202-telescopic rod, 203-spring, 204-support plate. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0021] First embodiment:

[0022] See also Figures 1 to 3 ,in, Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the utility model. Figure 2 This is a first embodiment of the present invention. Figure 3 The utility model Figure 2 AA line section view.

[0023] The utility model provides a variable diameter steel cage prestressed anchor rod, comprising a screw rod 101, a fixing pile 102 and an adjusting mechanism, wherein the adjusting mechanism comprises a threaded ring 103, two handles, a connecting ring 104, a circular ring 105, a supporting block 106 and four adjusting rods, wherein the adjusting rod comprises a first rod body 107, a second rod body 108 and four fixing blocks 109, and the handle comprises a connecting block 110 and a circular rod 111. The above-mentioned solution solves the problem that the opening size of the memory steel bar cannot be accurately controlled when the memory steel bar is adjusted.

[0024] According to this specific embodiment, the fixing pile 102 is fixedly connected to the screw rod 101 and is located below the screw rod 101. The threaded ring 103 is threadedly connected to the screw rod 101 and is located at the upper end of the screw rod 101. Two handles are fixedly connected to the threaded ring 103 and are located on both sides of the threaded ring 103. Two connecting rings 104 are fixedly connected to the threaded ring 103 and are located below the threaded ring 103. The cross section of the connecting ring 104 is convex. The circular ring 105 It is rotatably connected to the connecting ring 104 and is located below the threaded ring 103. The supporting block 106 is fixedly connected to the screw rod 101 and is located below the screw rod 101. The four adjusting rods are arranged between the circular ring 105 and the supporting block 106. The threaded ring 103 is rotated by the handle so that the threaded ring 103 moves on the screw rod. The connecting ring 104 drives the circular ring 105 to move so that the four adjusting rods bend toward the outside of the screw rod 101, and the adjustment is convenient and accurate.

[0025] Among them, the four fixed blocks 109 are respectively fixedly connected to the ring 105 and the support block 106, and are located on one side of the screw rod 101. One end of the first rod body 107 and the second rod body 108 are respectively rotatably connected to the corresponding fixed blocks 109, and the other ends of the first rod body 107 and the second rod body 108 are rotatably connected. When the ring 105 moves downward, the first rod body 107 and the second rod body 108 rotate around the corresponding fixed blocks 109 and can be used repeatedly.

[0026] Secondly, the connecting block 110 is fixedly connected to the threaded ring 103 and is located on one side of the threaded ring 103. The round rod 111 is fixedly connected to the connecting block 110 and is vertically arranged above the connecting block 110. The round rod 111 is arranged above the connecting block 110. During adjustment, the threaded ring 103 is rotated accordingly by rotating the round rod 111.

[0027] When using the utility model, the fixing pile 102 is inserted into the ground, and the threaded ring 103 is rotated accordingly by rotating the round rod 111, so that the threaded ring 103 moves on the screw rod, and the connecting ring 104 drives the circular ring 105 to move, so that the first rod body 107 and the second rod body 108 rotate around the corresponding fixing block 109.

[0028] Second embodiment:

[0029] See also Figure 4 and Figure 6 , Figure 4 It is a schematic diagram of the overall structure of the second embodiment of the utility model. Figure 5 This is a schematic diagram of the variable diameter structure of the second embodiment of the utility model. Figure 6 It is a schematic structural diagram of the installation of the second embodiment of the utility model.

[0030] On the basis of the first embodiment, the utility model provides a variable diameter steel cage prestressed anchor rod, which also includes four support assemblies, each of which includes a side rod 201, a telescopic rod 202, a spring 203 and a support plate 204. Through the arrangement of the above structure, after the fixed pile 102 is inserted into the ground, the fixed pile 102 is supported to improve stability.

[0031] According to this specific embodiment, the four support components are respectively arranged on the outside of the circular ring 105 . When the fixing pile 102 is inserted into the ground, the support components are attached to the ground, thereby improving the stability of the fixing pile 102 .

[0032] Among them, the side rod 201 is fixedly connected to the circular ring 105 and is located on one side of the circular ring 105, one end of the telescopic rod 202 is fixedly connected to the side rod 201, and the other end of the telescopic rod 202 is fixedly connected to the support plate 204 and is located below the side rod 201, the spring 203 is coated on the surface of the telescopic rod 202 and is located between the side rod 201 and the support plate 204, the fixing pile 102 is inserted into the ground and the threaded ring 103 is rotated, so that the circular ring 105 moves downward, the support plate 204 is in contact with the ground, and the telescopic rod 202 and the spring 203 provide a certain buffer distance.

[0033] When using the utility model, the fixing pile 102 is inserted into the ground, and the round rod 111 is rotated to make the threaded ring 103 rotate accordingly, so that the threaded ring 103 moves on the screw rod, and the connecting ring 104 drives the circular ring 105 to move, so that the first rod body 107 and the second rod body 108 rotate around the corresponding fixing block 109, and the fixing pile 102 is fixed. The support plate 204 is in contact with the ground, and the telescopic rod 202 and the spring 203 provide a certain buffer distance, thereby improving stability.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A variable diameter steel cage prestressed anchor rod, comprising a screw rod and a fixing pile, wherein the fixing pile is fixedly connected to the screw rod and is located below the screw rod, characterized in that: It also includes an adjustment mechanism, which includes a threaded ring, two handles, a connecting ring, a circular ring, a support block and four adjustment rods. The threaded ring is threadedly connected to the screw rod and is located at the upper end of the screw rod. Two handles are fixedly connected to the threaded ring and are located on both sides of the threaded ring. Two connecting rings are fixedly connected to the threaded ring and are located below the threaded ring. The cross-section of the connecting ring is convex-shaped. The circular ring is rotatably connected to the connecting ring and is located below the threaded ring. The support block is fixedly connected to the screw rod and is located below the screw rod. The four adjustment rods are arranged between the circular ring and the support block.

2. The variable diameter steel cage prestressed anchor rod according to claim 1, characterized in that: The adjusting rod includes a first rod body, a second rod body and four fixed blocks, the four fixed blocks are respectively fixedly connected to the ring and the support block and are located on one side of the screw rod, one end of the first rod body and the second rod body are respectively rotatably connected to the corresponding fixed blocks, and the other ends of the first rod body and the second rod body are rotatably connected.

3. The variable diameter steel cage prestressed anchor rod according to claim 2, characterized in that: The handle comprises a connecting block and a round rod, wherein the connecting block is fixedly connected to the threaded ring and is located on one side of the threaded ring, and the round rod is fixedly connected to the connecting block and is vertically arranged above the connecting block.

4. The variable diameter steel cage prestressed anchor rod according to claim 3, characterized in that: The variable diameter steel cage prestressed anchor rod also includes four support components, and the four support components are respectively arranged on the outside of the ring.

5. The variable diameter steel cage prestressed anchor rod according to claim 4, characterized in that: Each of the support assemblies includes a side rod, a telescopic rod, a spring and a support plate. The side rod is fixedly connected to the circular ring and is located on one side of the circular ring. One end of the telescopic rod is fixedly connected to the side rod, and the other end of the telescopic rod is fixedly connected to the support plate and is located below the side rod. The spring is coated on the surface of the telescopic rod and is located between the side rod and the support plate.

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