Inspection device for grouting liquid level of declination type anchor cable

Abstract

The utility model provides a declination type anchor cable grouting liquid level inspection device which comprises a grouting pipe, an inspection pipe and a stringing ring, the stringing ring is arranged in an anchor cable hole, the stringing ring and the anchor cable hole are coaxially arranged, an inspection through hole and a grouting through hole are formed in the stringing ring, the inspection pipe penetrates through the inspection through hole, and the grouting through hole is communicated with the inspection pipe. The grouting pipe penetrates through the grouting through hole, a guide cap is arranged at the bottom of the grouting pipe and located at the bottom end of the anchoring section of the anchor cable hole, the bottom end face of the inspection pipe is located at the boundary position of the anchoring section and the free section of the anchor cable hole, and the top end of the inspection pipe is fixedly connected with a balloon. A plurality of limiting holes are further formed in the stringing ring, and a plurality of limiting grooves are further evenly formed in the edge of the stringing ring. The grouting liquid level position is detected through the device, the grouting amount of the anchoring end is guaranteed, the pulling force of the anchoring end is guaranteed, the problem that a large amount of grout is wasted at the free end is solved, a large amount of grouting time is saved, and the construction period is shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to engineering construction technical field, concretely relates to a kind of downtilt type anchor cable grouting liquid level inspection device. BACKGROUND

[0002] Under the existing process downtilt type anchor cable free end also needs to be pressed and injected, and grouting can be stopped after slurry reaches pipe opening, and the length of several tens of meters outside the hole of free end needs to be filled with slurry, and the slurry in the hole of free end is all wasted, and it is not economical to judge that the hole is filled with slurry by using wasted slurry. Free end crack is more developed, and a large amount of slurry diffuses in the soil around, and the amount of slurry waste is huge. SUMMARY

[0003] Therefore, the utility model wants to solve the problem to provide a kind of downtilt type anchor cable grouting liquid level inspection device, the position of grouting liquid level is inspected by the device, the grouting amount of anchoring end is guaranteed, the tension of anchoring end is guaranteed, the problem of a large amount of slurry waste of free end is reduced, and a large amount of grouting time is saved, and construction period is saved.

[0004] The utility model solves the above-mentioned technical problem by the following technical means: the utility model provides a kind of downtilt type anchor cable grouting liquid level inspection device, including grouting pipe, inspection pipe and wire frame, the wire frame is arranged in anchor cable hole, the wire frame is coaxial with anchor cable hole, the wire frame is provided with inspection through-hole and grouting through-hole, the inspection pipe is passed through inspection through-hole, the grouting pipe is passed through grouting through-hole, the bottom of grouting pipe is provided with guide cap, the guide cap is located at the bottom end of anchoring section of anchor cable hole, the bottom end surface of inspection pipe is located at the junction line position of anchoring section and free section of anchor cable hole, the top end of inspection pipe is fixedly connected with balloon, the wire frame is also provided with multiple limit holes, the edge position of wire frame is also uniformly provided with multiple limit grooves.

[0005] Further, the grouting through-hole and the inspection through-hole are arranged in the middle part of the wire frame, and the limit holes are arranged around the grouting through-hole and the inspection through-hole.

[0006] Further, the wire frame is provided with multiple wire frames, and the multiple wire frames are sequentially arranged in the anchor cable hole along the axial direction of the anchor cable hole.

[0007] Further, the top of the grouting pipe is provided with a connector, and the connector is connected with the grouting equipment.

[0008] Further, the inspection through-hole and the grouting through-hole are respectively provided with rubber tubes, the inspection pipe passes through the rubber tube in the inspection hole, and the grouting pipe passes through the rubber tube in the grouting through-hole.

[0009] Further, the outer wall of the inspection pipe near the top end is provided with annular clamping grooves, the annular clamping grooves are provided with a plurality of annular clamping grooves, and elastic rings are arranged in the annular clamping grooves.

[0010] From the above technical scheme, the beneficial effects of the utility model are: the utility model provides a downtilt type anchor cable grouting liquid level inspection device, including grouting pipe, inspection pipe and wire frame ring, the wire frame ring is arranged in the anchor cable hole, the wire frame ring is coaxial with the anchor cable hole, the wire frame ring is provided with inspection through hole and grouting through hole, the inspection pipe is through the inspection through hole, the grouting pipe is through the grouting through hole, the bottom of the grouting pipe is provided with guide cap, the guide cap is located at the bottom end of the anchoring section of the anchor cable hole, the bottom end surface of the inspection pipe is located at the junction line position of the anchoring section and the free section of the anchor cable hole, the top end of the inspection pipe is fixedly connected with balloon, a plurality of limiting holes are further arranged on the wire frame ring, a plurality of limiting grooves are further evenly arranged on the edge position of the wire frame ring. The device is used for inspecting the grouting liquid level position, ensuring the grouting amount of the anchoring end, ensuring the tension of the anchoring end, reducing the waste problem of a large amount of grouting liquid of the free end, saving a large amount of grouting time and saving construction period. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0012] Fig. 1 The schematic diagram of the downtilt type anchor cable grouting liquid level inspection device provided by the utility model is shown in the figure.

[0013] Fig. 2 The schematic diagram of the wire frame ring of the downtilt type anchor cable grouting liquid level inspection device provided by the utility model is shown in the figure.

[0014] Fig. 3 The top end position schematic diagram of the inspection pipe of the downtilt type anchor cable grouting liquid level inspection device provided by the utility model is shown in the figure.

[0015] Reference numerals:

[0016] 1-grouting pipe;2-inspection pipe;3-wire frame ring;4-balloon;5-anchor cable hole;31-grouting through hole;32-inspection through hole;33-limiting hole;34-limiting groove;11-guide cap;51-anchoring section;52-free section;53-junction line;21-annular clamping groove;22-elastic ring. DETAILED DESCRIPTION

[0017] The technical solutions of the utility model will be described below in detail with reference to the drawings. The following examples are only used to make the technical solutions of the utility model clearer, thus only as examples, and cannot limit the protection scope of the utility model.

[0018] Please refer to Figs. 1-3 The utility model provides a kind of downtilt type anchor cable grouting liquid level inspection device, including grouting pipe 1, inspection pipe 2 and wireline ring 3, the wireline ring 3 is arranged in anchor cable hole 5, the wireline ring 3 is coaxially arranged with anchor cable hole 5, inspection through-hole 32 and grouting through-hole 31 are provided on the wireline ring 3, the inspection pipe 2 is passed through inspection through-hole 32, the grouting pipe 1 is passed through grouting through-hole 31, the bottom of grouting pipe 1 is provided with guide cap 11, the guide cap 11 is located at the bottom end of anchoring section 51 of anchor cable hole 5, the bottom end surface of inspection pipe 2 is located at the junction line 53 position of anchoring section 51 and free section 52 of anchor cable hole 5, the top end of inspection pipe 2 is fixedly connected with balloon 4, a plurality of limit holes 33 are further provided on the wireline ring 3, a plurality of limit grooves 34 are further evenly provided on the edge position of wireline ring 3. When using the device to monitor liquid level, the following steps are included: a. downtilt type anchor cable drilling;B. grouting pipe 1, inspection pipe 2, downtilt type anchor cable are tied into a whole body using wireline ring 3, a small balloon 4 is installed at the end of inspection pipe 2, pay attention to seal balloon 4 and pipe mouth cannot leak;C. downtilt type anchor cable is installed into hole as a whole;D. slurry is mixed and grouted;E. when anchoring end slurry fills over the mouth of inspection pipe 2, slurry will fill the space in pipe, compress the air in pipe to discharge outward, the ball at the end of pipe will enter balloon 4 with air, balloon 4 will gradually become larger with the discharged air, balloon 4 will gradually change from original drooping state to tilt;E. when the expansion degree of balloon 4 is larger, grouting can be stopped;F. after stopping grouting for 5 minutes, watch the size of balloon 4, if balloon 4 becomes smaller, and balloon 4 gradually droops, it can be judged that slurry is lost, and anchoring section 51 needs to be grouted again;G. after grouting again, if the size of balloon 4 does not shrink again, it can be judged that anchoring end grouting is full, and grouting liquid level does not drop, otherwise, grouting needs to be done again;H. if balloon 4 bursts during grouting, grouting needs to be stopped, and after installing a new balloon 4, grouting can be done. The method can inspect the grouting liquid level of anchoring end, ensure the grouting length of anchoring end, and also reduce the cement pressure grouting amount of free end.

[0019] As a further improvement of the above technical solution, the grouting through hole 31 and the inspection through hole 32 are arranged in the middle of the wire supporting ring 3, the limiting hole 33 is arranged around the grouting through hole 31 and the inspection through hole 32, and the wire supporting ring 3 is provided in plurality, and the plurality of wire supporting rings 3 are arranged in the anchor cable hole 5 in sequence along the axis direction of the anchor cable hole 5. The plurality of wire supporting rings 3 are arranged to position and fix the steel strand and the grouting pipe 1 and the inspection pipe 2 to prevent displacement. In a specific embodiment, the wire supporting ring 3 is customized according to the anchor cable, and the wire supporting ring 3 can be specially manufactured according to the number of downward inclined anchor cables. The diameter of the wire supporting ring 3 is 110 mm, the diameter of the hole wall of the downward inclined anchor cable is generally 15 cm, 8 steel strands can be arranged in the groove, and 2 φ25 mm grouting holes and inspection pipe 2 holes are arranged in the middle of the ring. Rubber pipes can be arranged in the holes, and 10 holes for steel strands are further arranged in the plate. The grouting pipe 1 and the inspection pipe 2 are installed in the middle of the wire supporting ring 3. When installed, the grouting pipe needs to be at the bottom of the inclined hole, the inspection pipe 2 is at the upper part of the wire supporting ring 3, the grouting pipe 1 is longer than the inspection pipe 2, and the length greater than the length of the anchoring section 51. The bottom of the inspection pipe 2 is located at the junction of the anchoring end and the free end. The steel strands can be arranged in the limiting groove 34, the next wire supporting ring 3 is arranged in the limiting hole 33, and the steel strands in the wire supporting ring 3 are cross-arranged. One wire supporting ring is arranged in the anchor cable hole along the axis every 75 cm to position and fix the steel strands and the grouting pipe and the inspection pipe.

[0020] As a further improvement of the above technical solution, the top of the grouting pipe 1 is provided with a connecting head, which is connected with the grouting equipment. The grouting is carried out through the quick connection of the connecting head.

[0021] As a further improvement of the above technical solution, the inspection through hole 32 and the grouting through hole 31 are respectively provided with rubber pipes, the inspection pipe 2 passes through the rubber pipe in the inspection hole, and the grouting pipe 1 passes through the rubber pipe in the grouting through hole 31. The rubber pipes are arranged to protect the inspection pipe 2 and the grouting pipe 1 from being damaged by the wire supporting ring 3.

[0022] As a further improvement of the above technical solution, the outer wall of the inspection pipe 2 near the top end is provided with annular clamping grooves 21, the annular clamping grooves 21 are provided in plurality, and the annular clamping grooves 21 are provided with elastic rings 22. The opening of the balloon 4 is sleeved on the outer wall of the inspection pipe 2 through the elastic ring 22 to be fixed on the outer wall of the inspection pipe 2 to be communicated. The annular clamping grooves 21 are arranged on the outer wall of the inspection pipe 2, the elastic rings 22 which are matched with the annular clamping grooves 21 are arranged in the clamping grooves, the opening of the balloon 4 is sleeved on the inspection pipe 2, and then the balloon 4 is fixed in the annular clamping groove 21 through the elastic ring 22 to prevent the balloon 4 from falling or leaking. Preferably, the outer wall of the front end of the inspection pipe 2 is chamfered to facilitate the elastic ring 22 to be sleeved on the annular clamping groove 21.

[0023] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application.

Claims

1. A device for inspecting the grout level of a downward-sloping anchor cable, characterized in that: The device includes a grouting pipe, an inspection pipe, and a cable-laying ring. The cable-laying ring is installed inside the anchor cable hole and is coaxially aligned with the anchor cable hole. The cable-laying ring has an inspection through hole and a grouting through hole. The inspection pipe passes through the inspection through hole, and the grouting pipe passes through the grouting through hole. A guide cap is installed at the bottom of the grouting pipe, located at the bottom end of the anchoring section of the anchor cable hole. The bottom end face of the inspection pipe is located at the boundary between the anchoring section and the free section of the anchor cable hole. A balloon is fixedly connected to the top of the inspection pipe. The cable-laying ring also has multiple limiting holes and multiple limiting grooves evenly distributed on its edge.

2. The device for inspecting the grout level of a downward-sloping anchor cable according to claim 1, characterized in that: Both the grouting through hole and the inspection through hole are located in the middle of the overhead line ring, and the limiting hole is arranged around the grouting through hole and the inspection through hole.

3. The device for inspecting the grout level of a downward-sloping anchor cable according to claim 2, characterized in that: Multiple wire-laying rings are provided, and the multiple wire-laying rings are sequentially arranged in the anchor cable hole along the axis of the anchor cable hole.

4. The device for inspecting the grout level of a downward-sloping anchor cable according to claim 1, characterized in that: The top of the grouting pipe is equipped with a connector, which is used to connect to the grouting equipment.

5. The device for inspecting the grout level of a downward-sloping anchor cable according to claim 1, characterized in that: Rubber tubes are respectively installed in the inspection through hole and the grouting through hole. The inspection tube passes through the rubber tube in the inspection hole, and the grouting tube passes through the rubber tube in the grouting through hole.

6. The device for inspecting the grout level of a downward-sloping anchor cable according to claim 1, characterized in that: The outer wall near the top of the inspection tube is provided with an annular groove, and multiple annular grooves are provided. An elastic ring is provided in the annular groove, and the balloon is fixed to the outer wall of the inspection tube through the elastic ring, thereby connecting them.

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