CN212294646U - Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable - Google Patents

Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable Download PDF

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Publication number
CN212294646U
CN212294646U CN202021156817.5U CN202021156817U CN212294646U CN 212294646 U CN212294646 U CN 212294646U CN 202021156817 U CN202021156817 U CN 202021156817U CN 212294646 U CN212294646 U CN 212294646U
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plate
umbrella
bearing
connecting rod
anchor
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CN202021156817.5U
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孙东
程云
王亮
李安洪
姚裕春
周忠德
谭之东
范厚贵
廖成鑫
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CREEC Guiyang Survey Design and Research Co Ltd
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CREEC Guiyang Survey Design and Research Co Ltd
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Abstract

The umbrella-shaped anchoring device capable of achieving rapid tensioning of the anchor cable is used for rapidly constructing the reinforcing engineering through rapid tensioning of the anchor cable, and the problems of timeliness and effectiveness of emergency reinforcing are effectively solved. The umbrella-shaped anchoring device comprises a bearing plate, a sliding plate, a supporting plate, an elastic member and an umbrella-shaped framework assembly, wherein the bearing plate is fixedly connected with the front end of a sliding shaft, the sliding plate is positioned between the bearing plate and the supporting plate and sleeved on the sliding shaft, and two ends of the elastic member are respectively acted on the surfaces of the sliding plate and the supporting plate. The umbrella-shaped framework components are arranged along the circumferential direction of the bearing plate at equal intervals, each umbrella-shaped framework component consists of a bearing rod, a first connecting rod and a second connecting rod, the front end of the bearing rod is hinged with the bearing plate, the two ends of the first connecting rod are respectively hinged with the rear end of the bearing rod and the sliding plate, and the two ends of the second connecting rod are respectively hinged with the middle part of the first connecting rod and the supporting plate. The anchor cable penetrates through the support plate and the bearing plate, and the front end of the anchor cable is anchored on the surface of the bearing plate through extrusion and anchoring.

Description

Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable
Technical Field
The utility model relates to a foundation ditch engineering among highway, railway roadbed retaining structural engineering, the construction of municipal infrastructure, in particular to quick stretch-draw umbrella-shaped anchor device of anchor rope suits the slope reinforcement engineering to speedily carry out rescue work and needs the engineering of fast stabilization side slope.
Background
With the development of the features of the transportation industry and the construction of municipal infrastructure, anchor cables, anchor piles and the like are used in a large number of applications in the reinforcement of side slopes and foundation pits in railways, highways, civil airports and municipal works. Due to the complexity of geological conditions and the variability of natural environments, geological disasters inevitably occur in the existing slope engineering or natural slopes in rainy seasons or earthquakes and the like, and the slope needs to be reinforced in time.
However, existing reinforcement measures have a number of deficiencies. For example, in the reinforcement of an anchor cable, the anchoring section of the anchor cable can be tensioned to form anchoring force after forming strength; the anchoring pile is reinforced, mechanical or manual hole forming is needed, then reinforced concrete is poured, and resistance can be provided when the strength reaches over 75 percent. These reinforcement measures have long periods, and often do not play the roles of quickly reducing the disaster, reducing the disaster and quickly treating the disaster.
Therefore, the utility model provides a quick stretch-draw umbrella-shaped anchor device of anchor rope and reinforcement engineering construction method can consolidate the slope fast in emergency rescue and relief work to simple structure, effective, construction convenience, swift to accord with the environmental protection requirement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an umbrella-type anchor that can realize that the anchor rope opens fast is provided to quick stretch-draw through the anchor rope carries out quick construction to reinforcement engineering, effectively solves the reinforced timeliness and the validity problem of speedily carrying out rescue work.
The utility model provides a technical scheme that its technical problem adopted as follows:
the utility model discloses can realize that the anchor rope opens fast and draw umbrella-shaped anchor, characterized by: the umbrella-shaped anchoring device comprises a bearing plate, a sliding plate, a supporting plate, an elastic member and an umbrella-shaped framework assembly, wherein the bearing plate is fixedly connected with the front end of a sliding shaft; the umbrella-shaped framework components are arranged along the circumferential direction of the bearing plate at equal intervals, each umbrella-shaped framework component consists of a bearing rod, a first connecting rod and a second connecting rod, the front end of the bearing rod is hinged with the bearing plate, the two ends of the first connecting rod are respectively hinged with the rear end of the bearing rod and the sliding plate, and the two ends of the second connecting rod are respectively hinged with the middle part of the first connecting rod and the bearing plate; the anchor cable penetrates through the support plate and the bearing plate, and the front end of the anchor cable is anchored on the surface of the bearing plate through extrusion and anchoring.
The utility model has the advantages that the anchoring force is provided by the umbrella-shaped anchoring device and the wall of the anchor hole, the concrete of the anchoring section is not required to be applied, the equal-strength time is saved, the rapid tensioning can be realized, and the structure can be rapidly reinforced; the problems of timeliness and effectiveness of emergency reinforcement are effectively solved, the structure is simple and practical, the construction is convenient and economic, and the environment-friendly requirement is met; according to the design requirement, after the engineering structure is reinforced, the anchoring section can still be grouted to form a permanent structure.
Drawings
The specification includes the following six figures:
fig. 1 is a schematic diagram of a preparation state of the umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable according to the present invention;
fig. 2 is a schematic view of the working state of the umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable;
FIG. 3 is a front view of a support plate of the umbrella-shaped anchoring device for rapidly tensioning an anchor cable according to the present invention;
fig. 4 is a front view of the sliding plate in the umbrella-shaped anchoring device for realizing rapid tensioning of the anchor cable according to the present invention;
fig. 5 is a front view of a bearing plate in the umbrella-shaped anchoring device for realizing rapid tensioning of the anchor cable;
fig. 6 is a schematic diagram of the utility model discloses can realize that the umbrella-type anchor of the quick stretch-draw of anchor rope is used for strengthening the engineering.
The figures show the components and corresponding references: anchor cable 1, outer anchor 2, reinforcing body 3, grouting pipe 4, extrusion anchor 5, anchor hole 6, bearing plate 10, bearing plate anchor cable hole 11, bearing plate sliding shaft mounting hole 12, bearing rod mounting groove 13, sliding plate 20, first connecting rod mounting groove 21, sliding shaft through hole 32, bearing plate 30, bearing plate anchor cable hole 31, bearing plate sliding shaft mounting hole 32, second connecting rod mounting groove 33, sliding shaft 40, bearing rod 41, first connecting rod 42, second connecting rod 43, spring 44, conventional hole section L1Anchoring section L2
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Referring to fig. 1, the utility model discloses can realize that the anchor rope opens fast and draw umbrella-shaped anchor, characterized by: the umbrella-shaped anchoring device comprises a bearing plate 10, a sliding plate 20, a supporting plate 30, an elastic member 44 and an umbrella-shaped framework assembly, wherein the bearing plate 10 is fixedly connected with the front end of a sliding shaft 40, the sliding plate 20 is positioned between the bearing plate 10 and the supporting plate 30 and is sleeved on the sliding shaft 40, and two ends of the elastic member 44 respectively act on the plate surfaces of the sliding plate 20 and the supporting plate 30. The umbrella-shaped framework components are arranged along the circumferential direction of the bearing plate 10 at equal intervals, each umbrella-shaped framework component consists of a bearing rod 41, a first connecting rod 42 and a second connecting rod 43, the front end of the bearing rod 41 is hinged with the bearing plate 10, two ends of the first connecting rod 42 are respectively hinged with the rear end of the bearing rod 41 and the sliding plate 20, and two ends of the second connecting rod 43 are respectively hinged with the middle part of the first connecting rod 42 and the bearing plate 30; the anchor cable 1 passes through the support plate 30 and the bearing plate 10, and the front end thereof is anchored on the surface of the bearing plate 10 by the extrusion anchor 5.
Referring to fig. 1, when the umbrella-shaped anchoring device is in the ready state, the elastic member 44 is compressed, and in this state, the bearing rods 41 of the umbrella-shaped skeleton assemblies are folded inwards, and the diameter of the whole umbrella-shaped anchoring device is smaller than the conventional hole section L of the anchor hole 61Of (c) is measured. Referring to fig. 2, the umbrella-shaped anchoring device can pass through a conventional hole section L from the hole opening of the anchoring hole 61Is lowered to the reaming section L2At this time, the lateral constraint of the elastic member 44 is released, and under the elastic force of the elastic member 44, the sliding plate 20 is pushed open, and the first connecting rod 42 and the second connecting rod 43 are driven to cause the pressure-bearing rod 41 to expand outwards and be clamped on the hole wall of the hole expansion section L2, so as to provide an initial anchoring force. When the whole anchor cable 1 is stretched outwards, the bearing plate 20 moves outwards, the bearing rod 41 continues to expand outwards, and the tighter the bearing rod is clamped with the hole wall, the larger the provided anchoring force is. Therefore, the anchoring force is provided by the umbrella-shaped anchoring device and the wall of the anchor hole, concrete in an anchoring section is not required to be applied, equal-strength time is saved, quick tensioning can be realized, the structure is quickly reinforced, and the problems of timeliness and effectiveness of emergency reinforcement are effectively solved.
According to the shearing strength of rock on the hole wall, the number of the umbrella-shaped skeleton components is 2-4 groups and the umbrella-shaped skeleton components are arranged at equal intervals along the circumferential direction of the bearing plate 10. The number of the anchor cables 1 is 4-8, and the tension force is determined according to design requirements.
Referring to fig. 5, the bearing plate 10 has a bearing plate sliding shaft mounting hole 12 at a central portion of the plate body, bearing rod mounting grooves 13 at intervals on a circumference of the plate body, and through holes for the anchor cables 1 to pass through are provided at intervals on the plate body. The front end of the bearing rod 41 is positioned in the bearing rod mounting groove 13 and is hinged with the bearing plate 10 through a pin shaft. Referring to fig. 4, the slide plate 20 has a slide shaft through hole 22 formed at a central portion of the plate body through which the slide shaft 40 passes, and first link mounting grooves 21 formed at intervals on a circumference of the plate body. The rear end of the first link mounting groove 21 is located in the first link mounting groove 21 and is hinged to the sliding plate 20 through a hinge pin. Referring to fig. 3, the support plate 30 has a support plate sliding shaft mounting hole 32 formed at a central portion of the plate body through which the sliding shaft 40 passes, second link mounting grooves 33 formed at intervals on the circumference of the plate body, and through holes formed at intervals through which the anchor cables 1 pass. The rear end of the second link 43 is located in the second link mounting groove 33 and is hinged to the support plate 30 by a pin. The sliding shaft 40 is a square steel pipe, and the pressure bearing plate sliding shaft mounting hole 12, the sliding shaft through hole 22 and the support plate sliding shaft mounting hole 32 are square holes matched with the cross section of the sliding shaft 40. The front end of the sliding shaft 40 is fixedly connected with the bearing plate 10 by bolting or welding.
The elastic member 44 is generally made of a steel wire having a diameter of not less than 3mm, and has a compressed length of about 25mm and an extended length of about 40mm by using a compression spring. The elasticity of the elastic member is sufficient to push the sliding plate to open the pressure-receiving bar 41.
Referring to fig. 6, the utility model discloses can realize that the anchor rope opens fast draws umbrella-type anchor and be used for consolidating the engineering and be under construction according to following step:
firstly, an anchor hole 6 is arranged, after the anchor hole is positioned, firstly, drilling is carried out, and a conventional hole section L is drilled1The hole bottom is reamed by a reaming bit to form an anchoring section L2And a reinforcing body 3 is constructed at the outer end of the anchor hole 6. Conventional pore section L1The diameter of the anchor hole is generally 110-150 mm. A reaming section L2The diameter is generally 150-200 mm, and the hole expanding section L2The length is typically 500 mm.
Manufacturing an anchor rope 1 and assembling an umbrella-shaped anchoring device, anchoring the front end of the anchor rope 1 on the surface of the bearing plate 10 through an extrusion anchor 5, and installing anchor rope positioning frames at intervals along the length direction of the anchor rope 1. The umbrella anchor is restrained with a cord to place the resilient member 44 in compression;
and thirdly, releasing the constraint on the elastic member 44, enabling the umbrella-shaped anchoring device to penetrate through the reinforcing body 3 to slowly fall to the bottom of the anchor hole 6 from the hole opening, and expanding the bearing rod 41 in the umbrella-shaped skeleton assembly in the reaming section under the action of the elastic member 44. The whole anchor cable 1 is slowly dragged out of the hole to enable the bearing rod 41 to be clamped at the anchoring section L2On the walls of the holes.
And fourthly, pre-tensioning the anchor cable 1, wherein the exposed end of the anchor cable 1 penetrates through the steel base plate and the outer anchor 2 to be connected with a tensioning machine, and the whole anchor cable 1 is pre-tensioned, wherein the tensioning force is about 10% of the designed value, so that the bearing rod 41 is effectively clamped on the hole wall at the variable cross section of the anchor hole 6 to form initial anchoring force.
Tensioning the anchor cable 1. After the fact that the umbrella-shaped anchoring device can effectively provide anchoring force is confirmed, the anchor cable 1 is tensioned to a tension force design value in a grading mode, and the anchor cable 1 is locked.
The anchoring section L is designed according to the requirement2The bearing plate can be expanded into 1-3 sections in a segmented manner, an umbrella-shaped anchoring device is arranged in each section, and hole sites through which anchor ropes of the umbrella-shaped anchoring device at the bottom end penetrate are arranged in anchor rope holes of the bearing plate and the bearing plate of the umbrella-shaped anchoring device at the outermost side. A plurality of umbrella-shaped anchor cable devices are connected in series, and the dispersed rapid anchoring can be realized.
After the engineering structure is reinforced, the anchoring section can still be grouted to form a permanent structure. Referring to fig. 6, in the second step, after the umbrella-shaped anchoring device is assembled, the front end of the grouting pipe 4 is connected to the rear end of the sliding shaft 40 through an adapter. After the fifth step, the grouting pipe 4 is used for anchoring the section L2And injecting cement mortar into the internal pressure to form a permanent reinforcement project.
The above is only used for illustrating the present invention, and the present invention is not limited to the specific structure and the application range shown, so all the corresponding modifications and equivalents that may be utilized all belong to the claimed patent scope of the present invention.

Claims (6)

1. Can realize quick stretch-draw's of anchor rope umbrella-type anchor, characterized by: the umbrella-shaped anchoring device comprises a bearing plate (10), a sliding plate (20), a supporting plate (30), an elastic member (44) and an umbrella-shaped framework assembly, wherein the bearing plate (10) is fixedly connected with the front end of a sliding shaft (40), the sliding plate (20) is positioned between the bearing plate (10) and the supporting plate (30) and is sleeved on the sliding shaft (40), and two ends of the elastic member (44) are respectively acted on the surfaces of the sliding plate (20) and the supporting plate (30); the umbrella-shaped framework components are arranged along the circumferential direction of the bearing plate (10) at equal intervals, each umbrella-shaped framework component consists of a bearing rod (41), a first connecting rod (42) and a second connecting rod (43), the front end of the bearing rod (41) is hinged with the bearing plate (10), the two ends of the first connecting rod (42) are respectively hinged with the rear end of the bearing rod (41) and the sliding plate (20), and the two ends of the second connecting rod (43) are respectively hinged with the middle part of the first connecting rod (42) and the bearing plate (30); the anchor cable (1) penetrates through the support plate (30) and the pressure bearing plate (10), and the front end of the anchor cable is anchored on the surface of the pressure bearing plate (10) through an extrusion anchor (5).
2. The umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable as claimed in claim 1, wherein: the number of umbrella-shaped skeleton subassembly is 2 ~ 4 groups, and bearing plate (10) circumference equidistance interval sets up, and the number of anchor rope (1) is 4 ~ 8.
3. The umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable as claimed in claim 2, wherein: the bearing plate (10) is provided with a bearing plate sliding shaft mounting hole (12) at the central part of the plate body, bearing rod mounting grooves (13) are arranged on the circumference of the plate body at intervals, and through holes for the anchor cables (1) to pass through are arranged on the plate body at intervals; the front end of the bearing rod (41) is positioned in the bearing rod mounting groove (13) and is hinged with the bearing plate body (10) through a pin shaft.
4. The umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable as claimed in claim 2, wherein: the sliding plate (20) is provided with sliding shaft through holes (22) for a sliding shaft (40) to pass through at the central part of the plate body, and first connecting rod mounting grooves (21) are arranged on the circumference of the plate body at intervals; the rear end of the first connecting rod installation groove (21) is positioned in the first connecting rod installation groove (21) and is hinged with the plate body of the sliding plate (20) through a pin shaft.
5. The umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable as claimed in claim 2, wherein: the supporting plate (30) is provided with a supporting plate sliding shaft mounting hole (32) for a sliding shaft (40) to pass through at the central part of the plate body, second connecting rod mounting grooves (33) are arranged on the circumference of the plate body at intervals, and through holes for anchor cables (1) to pass through are arranged on the plate body at intervals; the rear end of the second connecting rod (43) is positioned in the second connecting rod mounting groove (33) and is hinged with the plate body of the supporting plate (30) through a pin shaft.
6. The umbrella-shaped anchoring device capable of realizing rapid tensioning of the anchor cable according to claim 3, 4 or 5, wherein: the sliding shaft (40) is a square steel pipe, and the pressure bearing plate sliding shaft mounting hole (12), the sliding shaft through hole (22) and the support plate sliding shaft mounting hole (32) are square holes matched with the cross section of the sliding shaft (40); the front end of the sliding shaft (40) is fixedly connected with the bearing plate (10) through bolt connection or welding.
CN202021156817.5U 2020-06-21 2020-06-21 Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable Active CN212294646U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021156817.5U CN212294646U (en) 2020-06-21 2020-06-21 Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021156817.5U CN212294646U (en) 2020-06-21 2020-06-21 Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable

Publications (1)

Publication Number Publication Date
CN212294646U true CN212294646U (en) 2021-01-05

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Application Number Title Priority Date Filing Date
CN202021156817.5U Active CN212294646U (en) 2020-06-21 2020-06-21 Umbrella-shaped anchoring device capable of realizing rapid tensioning of anchor cable

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CN (1) CN212294646U (en)

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