Suspension bridge tunnel anchor rod

Abstract

The utility model provides a suspension bridge tunnel anchor rod, belongs to the technical field of anchor rods, and aims to solve the problem that the supporting efficiency of the anchor rod is affected due to the fact that long time is consumed when a grouting hole and a slurry outlet of the anchor rod are blocked or not. Comprising a first hollow rod body, a positioning connecting sleeve, a second hollow rod body, a limiting baffle, a sliding mounting seat, a sealing baffle and a sliding positioning block; the positioning connecting sleeve is in threaded connection with the right side of the first hollow rod body; the second hollow rod body is in threaded connection with the right side of the positioning connecting sleeve; the right side of the second hollow rod body is sleeved with the limiting baffle. The sliding mounting seat is slidably connected to the left side of the first hollow rod body; the sealing baffle is fixedly connected to the left end face of the sliding installation base. The sliding positioning block is vertically slidably connected to the right side of the second hollow rod body. According to the anchor rod, the situation that foreign matter enters the hollow rod body to block the grout outlet hole and the grouting hole of the rod body can be prevented, inspection of the grouting hole and the grout outlet hole of the anchor rod is avoided, and the supporting efficiency of the anchor rod is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of anchor bolts, and more specifically, particularly relates to a tunnel anchor bolt for a suspension bridge. Background Art

[0002] Most buildings, bridges, tunnels, etc. need to use anchor bolts for building support during construction. When carrying out initial support for a suspension bridge, it is necessary to first excavate the rock mass, then fix the tunnel anchor bolt in the rock mass through wire mesh and pour concrete into the rock mass through the grouting holes of the anchor bolt to pour the anchor bolt and the rock mass into one body.

[0003] For example, CN2761846Y discloses a hollow grouting anchor bolt with measurable length, which belongs to the hollow grouting anchor bolt for building projects such as bridges and tunnels; it includes an anchor head, an anchor bolt body, a grout stop plug, a nut, and a plugging grout plug. Two metal rods are axially arranged in the inner cavity or outside of the anchor bolt body, and the two metal rods are isolated by an insulating layer. The front ends of the two metal rods are flush with the anchor head, and the rear ends are located outside the end face of the tail of the anchor bolt body; it can conveniently, accurately, and reliably measure the actual length of the grouting anchor bolt.

[0004] Based on the above, before using the anchor bolt, it is necessary to first check whether the grouting holes and slurry outlet holes of the anchor bolt are blocked by foreign objects and clean the blockages, which takes a long time, not only causing a large labor burden on construction workers, but also affecting the support efficiency of the anchor bolt. Content of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a tunnel anchor bolt for a suspension bridge to solve the problems that before using the anchor bolt, it is necessary to first check whether the grouting holes and slurry outlet holes of the anchor bolt are blocked by foreign objects and clean the blockages, which takes a long time, not only causing a large labor burden on construction workers, but also affecting the support efficiency of the anchor bolt.

[0006] The purpose and efficacy of the tunnel anchor bolt for a suspension bridge of the utility model are achieved by the following specific technical means:

[0007] A suspension bridge tunnel bolt, comprising a first hollow rod body, a drilling anchor head, a positioning connection sleeve, a second hollow rod body, a limiting baffle, a sliding mounting seat, a sealing baffle, a first sealing structure, a second sealing structure and a sliding positioning block; the drilling anchor head is threadedly connected to the left side of the first hollow rod body; the positioning connection sleeve is threadedly connected to the right side of the first hollow rod body; the second hollow rod body is threadedly connected to the right side of the positioning connection sleeve, and a locking nut is threadedly connected to the right side of the second hollow rod body; the limiting baffle is sleeved on the right side of the second hollow rod body; a plurality of sliding mounting seats are provided, and the plurality of sliding mounting seats are slidably connected to the left side of the first hollow rod body in a circumferential array; a plurality of sealing baffles are provided, and the plurality of sealing baffles are respectively fixedly connected to the left end faces of the plurality of sliding mounting seats; the first sealing structure is arranged on the outer side of the first hollow rod body; the second sealing structure is arranged on the right side of the second hollow rod body; the sliding positioning block is slidably connected to the right side of the second hollow rod body, and the sliding positioning block is elastically connected to the second hollow rod body through a spring.

[0008] Further, the second sealing structure includes a limiting guide groove and a positioning installation rotating shaft; the limiting guide groove is opened on the right side of the second hollow rod body, and the limiting guide groove is slidably connected to the sliding positioning block; the positioning installation rotating shaft is rotatably connected to the right side of the second hollow rod body.

[0009] Further, the second sealing structure further includes a reset scroll spring and a sealing cover; the positioning installation rotating shaft is elastically connected to the second hollow rod body through the reset scroll spring; the sealing cover is fixedly connected to the right side of the positioning installation rotating shaft.

[0010] Further, the second sealing structure further includes a traction rope and a limiting connecting plate; the traction rope is fixedly connected to the left side of the positioning installation rotating shaft; the limiting connecting plate is fixedly connected to the right side of the sliding positioning block, and the traction rope is fixedly connected to the limiting connecting plate.

[0011] Further, the first sealing structure includes a guiding installation sliding groove and a rod body slurry outlet hole; a plurality of guiding installation sliding grooves are provided, and the plurality of guiding installation sliding grooves are opened on the left side of the first hollow rod body in a circumferential array, and the plurality of guiding installation sliding grooves are respectively slidably connected to the plurality of sliding mounting seats; a plurality of rod body slurry outlet holes are provided, and the plurality of rod body slurry outlet holes are opened on the left side of the first hollow rod body in a circumferential array.

[0012] Furthermore, the first sealing structure further includes a fixed mounting seat and a reset elastic member; there are a plurality of the fixed mounting seats, and the plurality of fixed mounting seats are fixedly connected in a circumferential array to the left side of the first hollow rod body; there are a plurality of the reset elastic members, and the plurality of sliding mounting seats are elastically connected to the first hollow rod body through the plurality of reset elastic members.

[0013] Furthermore, the first sealing structure further includes a first connecting rod and a second connecting rod; there are a plurality of the first connecting rods, and the plurality of first connecting rods are respectively hinged to the outside of the plurality of fixed mounting seats; there are a plurality of the second connecting rods, and the plurality of second connecting rods are respectively hinged to the outside of the plurality of first connecting rods, and the plurality of second connecting rods are respectively hinged to the plurality of sliding mounting seats.

[0014] Furthermore, the first sealing structure further includes a sealing grout plug and a connecting screw; the sealing grout plug is fixedly connected to the left end face of the limit baffle; there are a plurality of the connecting screws, and the plurality of connecting screws are threadedly connected in a circumferential array to the outside of the limit baffle.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] Before the tunnel bolt is used, the slurry outlet hole and the grouting hole of the bolt are sealed by the sealing baffle and the sealing cover, preventing foreign objects from entering the hollow rod body and causing blockage of the slurry outlet hole and the grouting hole of the rod body, avoiding the inconvenience of cleaning the blockage, and also avoiding the inspection of the grouting hole and the slurry outlet hole of the bolt, saving a lot of time, reducing the labor burden of the construction workers, improving the support efficiency of the bolt. When the tunnel bolt is placed, the sealing baffle and the sealing cover will automatically open, facilitating the pouring of concrete into the rock mass. The fixing effect of the tunnel bolt is improved by the connecting screws, ensuring the installation stability of the tunnel bolt, and further ensuring the supporting effect on the main cable tension of the suspension bridge. The first connecting rod and the second connecting rod are always in contact with the rock mass through the reset elastic member, so that the tunnel bolt is always in the central position, ensuring the installation effect of the tunnel bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall structural schematic diagram of the utility model.

[0018] Figure 2 is the positional relationship schematic diagram of the second hollow rod body and the limit baffle of the utility model.

[0019] Figure 3 is the positional schematic diagram of the guiding installation chute and the slurry outlet hole of the rod body of the utility model.

[0020] Figure 4It is a schematic diagram of the cooperation relationship among the fixed mounting seat, the first connecting rod, the second connecting rod and the sliding mounting seat of the present utility model.

[0021] Figure 5 It is a schematic diagram of the split structure of the second hollow rod body, the positioning mounting rotating shaft and the sliding positioning block of the present utility model.

[0022] Figure 6 It is the present utility model Figure 5 The partial enlarged structure schematic diagram at position A in.

[0023] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0024] 1. First hollow rod body; 101. Guide installation chute; 102. Rod body slurry outlet hole; 103. Fixed mounting seat; 104. First connecting rod; 105. Second connecting rod; 2. Drilling anchor head; 3. Positioning connection sleeve; 4. Second hollow rod body; 401. Limit guide groove; 402. Positioning mounting rotating shaft; 403. Traction rope; 404. Reset scroll spring; 405. Sealing cover; 5. Limit baffle; 501. Sealing slurry stopper; 502. Connecting screw; 6. Sliding mounting seat; 601. Reset elastic member; 7. Sealing baffle; 8. Sliding positioning block; 801. Limit connecting plate. Specific embodiments

[0025] The following further describes in detail the embodiments of the present utility model in conjunction with the drawings and examples.

[0026] Embodiment 1:

[0027] As shown in the attached Figure 1 to the attached Figure 5 shown:

[0028] The present utility model provides a suspension bridge tunnel bolt, including a first hollow rod body 1, a drilling anchor head 2, a positioning connection sleeve 3, a second hollow rod body 4, a limit baffle 5, a sliding mounting seat 6, a sealing baffle 7 and a first sealing structure; the drilling anchor head 2 is threadedly connected to the left side of the first hollow rod body 1; the positioning connection sleeve 3 is threadedly connected to the right side of the first hollow rod body 1; the second hollow rod body 4 is threadedly connected to the right side of the positioning connection sleeve 3, and a locking nut is threadedly connected to the right side of the second hollow rod body 4; the limit baffle 5 is sleeved on the right side of the second hollow rod body 4; a plurality of sliding mounting seats 6 are provided, and the plurality of sliding mounting seats 6 are circumferentially and slidably connected to the left side of the first hollow rod body 1; a plurality of sealing baffles 7 are provided, and the plurality of sealing baffles 7 are respectively fixedly connected to the left end faces of the plurality of sliding mounting seats 6; the first sealing structure is arranged on the outer side of the first hollow rod body 1.

[0029] Among them, the first sealing structure includes a guiding installation chute 101 and a rod body slurry outlet hole 102; there are multiple guiding installation chutes 101, and the multiple guiding installation chutes 101 are circumferentially arrayed and opened on the left side of the first hollow rod body 1, and the multiple guiding installation chutes 101 are respectively slidably connected to the multiple sliding mounting seats 6; there are multiple rod body slurry outlet holes 102, and the multiple rod body slurry outlet holes 102 are circumferentially arrayed and opened on the left side of the first hollow rod body 1.

[0030] Among them, the first sealing structure further includes a fixed mounting seat 103 and a reset elastic member 601; there are multiple fixed mounting seats 103, and the multiple fixed mounting seats 103 are circumferentially arrayed and fixedly connected to the left side of the first hollow rod body 1; there are multiple reset elastic members 601, and the multiple sliding mounting seats 6 are elastically connected to the first hollow rod body 1 through the multiple reset elastic members 601.

[0031] Among them, the first sealing structure further includes a first connecting rod 104 and a second connecting rod 105; there are multiple first connecting rods 104, and the multiple first connecting rods 104 are respectively hinged to the outside of the multiple fixed mounting seats 103; there are multiple second connecting rods 105, and the multiple second connecting rods 105 are respectively hinged to the outside of the multiple first connecting rods 104, and the multiple second connecting rods 105 are respectively hinged to the multiple sliding mounting seats 6.

[0032] Among them, the first sealing structure further includes a sealing slurry stopper 501 and a connecting screw 502; the sealing slurry stopper 501 is fixedly connected to the left end face of the limit baffle 5; there are multiple connecting screws 502, and the multiple connecting screws 502 are circumferentially arrayed and threadedly connected to the outside of the limit baffle 5.

[0033] The specific usage and function of this embodiment: Put the tunnel bolt into the rock mass, and the drilling anchor head 2 can reduce the moving resistance of the tunnel bolt in the rock mass. At this time, the first connecting rod 104 and the second connecting rod 105 will be squeezed by the rock mass, causing the first connecting rod 104 to swing along the fixed mounting seat 103. When the first connecting rod 104 swings, it will push the second connecting rod 105 to swing. When the second connecting rod 105 swings, it will push the sliding mounting seat 6 to slide in the guiding installation chute 101 and compress the reset elastic member 601. When the sliding mounting seat 6 moves, it will drive the sealing baffle 7 to slide, exposing the rod body slurry outlet hole 102. At the same time, the reset elastic member 601 will also continuously push the sliding mounting seat 6, so that the first connecting rod 104 and the second connecting rod 105 are always in contact with the rock mass. The positioning connecting sleeve 3 can connect the first hollow rod body 1 and the second hollow rod body 4. After the tunnel bolt is placed, put the limit baffle 5 on the outside of the second hollow rod body 4 and tighten the locking nut. At this time, the sealing slurry stopper 501 can seal the hole on the rock mass, and the connecting screw 502 can connect the limit baffle 5 and the rock mass to fix the position of the tunnel bolt.

[0034] Embodiment 2:

[0035] As shown in the attached Figure 5 to the attached Figure 6 figure:

[0036] On the basis of Embodiment 1, it further includes a second sealing structure and a sliding positioning block 8; the second sealing structure is arranged on the right side of the second hollow rod body 4; the sliding positioning block 8 is slidably connected up and down on the right side of the second hollow rod body 4, and the sliding positioning block 8 is elastically connected to the second hollow rod body 4 through a spring.

[0037] Among them, the second sealing structure includes a limit guiding groove 401 and a positioning and installing rotating shaft 402; the limit guiding groove 401 is opened on the right side of the second hollow rod body 4, and the limit guiding groove 401 is slidably connected to the sliding positioning block 8; the positioning and installing rotating shaft 402 is rotatably connected to the right side of the second hollow rod body 4.

[0038] Among them, the second sealing structure further includes a reset scroll spring 404 and a sealing cover 405; the positioning and installing rotating shaft 402 is elastically connected to the second hollow rod body 4 through the reset scroll spring 404; the sealing cover 405 is fixedly connected to the right side of the positioning and installing rotating shaft 402.

[0039] Among them, the second sealing structure further includes a traction rope 403 and a limit connecting plate 801; the traction rope 403 is fixedly connected to the left side of the positioning and installing rotating shaft 402; the limit connecting plate 801 is fixedly connected to the right side of the sliding positioning block 8, and the traction rope 403 is fixedly connected to the limit connecting plate 801.

[0040] The specific usage method and function of this embodiment: When tightening the locking nut, the locking nut will gradually approach the sliding positioning block 8. When the locking nut contacts the sliding positioning block 8, the locking nut will squeeze the sliding positioning block 8, causing the sliding positioning block 8 to drive the limit connecting plate 801 to move downward along the limit guiding groove 401. When the limit connecting plate 801 moves, it will pull the traction rope 403, causing the traction rope 403 to drive the positioning and installing rotating shaft 402 and the sealing cover 405 to rotate, so as to open the grouting hole at the end of the second hollow rod body 4. Before using the tunnel bolt, the reset scroll spring 404 will tighten the positioning and installing rotating shaft 402 to fix the position of the sealing cover 405.

[0041] In this article, the following points need to be noted:

[0042] 1. The attached drawings of the embodiments of the present disclosure only relate to the structures involved in the embodiments of the present disclosure, and other structures can refer to the general design.

[0043] 2. Without conflict, the embodiments of the present disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0044] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.

Claims

1. A suspension bridge tunnel bolt, comprising a first hollow rod body (1), a drilling anchor head (2), a positioning connection sleeve (3), a second hollow rod body (4), a limiting baffle (5), a sliding mounting seat (6), a sealing baffle (7), a first sealing structure, a second sealing structure and a sliding positioning block (8); the drilling anchor head (2) is threadedly connected to the left side of the first hollow rod body (1); the positioning connection sleeve (3) is threadedly connected to the right side of the first hollow rod body (1); the second hollow rod body (4) is threadedly connected to the right side of the positioning connection sleeve (3); the limiting baffle (5) is sleeved on the right side of the second hollow rod body (4); characterized in that: A plurality of the sliding mounting seats (6) are provided, and the plurality of the sliding mounting seats (6) are slidably connected in a circumferential array to the left side of the first hollow rod body (1); a plurality of the sealing baffles (7) are provided, and the plurality of the sealing baffles (7) are respectively fixedly connected to the left end faces of the plurality of the sliding mounting seats (6); the first sealing structure is arranged on the outer side of the first hollow rod body (1); the second sealing structure is arranged on the right side of the second hollow rod body (4); the sliding positioning block (8) is slidably connected up and down to the right side of the second hollow rod body (4), and the sliding positioning block (8) is elastically connected to the second hollow rod body (4) through a spring.

2. The suspension bridge tunnel bolt according to claim 1, characterized in that: The first sealing structure includes a guiding installation sliding groove (101) and a rod body slurry outlet hole (102); a plurality of the guiding installation sliding grooves (101) are provided, and the plurality of the guiding installation sliding grooves (101) are circumferentially arrayed and opened on the left side of the first hollow rod body (1), and the plurality of the guiding installation sliding grooves (101) are respectively slidably connected to the plurality of the sliding mounting seats (6); a plurality of the rod body slurry outlet holes (102) are provided, and the plurality of the rod body slurry outlet holes (102) are circumferentially arrayed and opened on the left side of the first hollow rod body (1).

3. The suspension bridge tunnel bolt according to claim 1, characterized in that: The first sealing structure further includes a fixed mounting seat (103) and a reset elastic member (601); a plurality of the fixed mounting seats (103) are provided, and the plurality of the fixed mounting seats (103) are circumferentially arrayed and fixedly connected to the left side of the first hollow rod body (1); a plurality of the reset elastic members (601) are provided, and the plurality of the sliding mounting seats (6) are elastically connected to the first hollow rod body (1) through the plurality of the reset elastic members (601).

4. The suspension bridge tunnel bolt according to claim 3, characterized in that: The first sealing structure further includes a first connecting rod (104) and a second connecting rod (105); a plurality of the first connecting rods (104) are provided, and the plurality of the first connecting rods (104) are respectively hinged to the outer sides of the plurality of the fixed mounting seats (103); a plurality of the second connecting rods (105) are provided, and the plurality of the second connecting rods (105) are respectively hinged to the outer sides of the plurality of the first connecting rods (104), and the plurality of the second connecting rods (105) are respectively hinged to the plurality of the sliding mounting seats (6).

5. The suspension bridge tunnel bolt according to claim 1, wherein: The first sealing structure further includes a sealing slurry stop plug (501) and a connecting screw (502); the sealing slurry stop plug (501) is fixedly connected to the left end face of the limiting baffle (5); a plurality of the connecting screws (502) are provided, and the plurality of the connecting screws (502) are circumferentially arrayed and threadedly connected to the outer side of the limiting baffle (5).

6. The suspension bridge tunnel bolt according to claim 1, characterized in that: The second sealing structure includes a limiting guiding groove (401) and a positioning installation rotating shaft (402); the limiting guiding groove (401) is opened on the right side of the second hollow rod body (4), and the limiting guiding groove (401) is slidably connected to the sliding positioning block (8); the positioning installation rotating shaft (402) is rotatably connected to the right side of the second hollow rod body (4).

7. The suspension bridge tunnel bolt according to claim 6, wherein: The second sealing structure further includes a return volute spring (404) and a sealing cover (405); the positioning and mounting rotating shaft (402) is elastically connected to the second hollow rod body (4) through the return volute spring (404); the sealing cover (405) is fixedly connected to the right side of the positioning and mounting rotating shaft (402).

8. The suspension bridge tunnel bolt according to claim 7, wherein: The second sealing structure further includes a traction rope (403) and a limit connecting plate (801); the traction rope (403) is fixedly connected to the left side of the positioning and mounting rotating shaft (402); the limit connecting plate (801) is fixedly connected to the right side of the sliding positioning block (8), and the traction rope (403) is fixedly connected to the limit connecting plate (801).

Images