Limiter for easy tensioning and removal of anchor cables

Abstract

The present invention relates to the technical field of limiters, and discloses a limiter that is convenient for tensioning and disassembling anchor cables, including a limiter, a jack for tensioning the anchor cable is provided at the outer end of the limiter, a pressing end for pressing the anchor is provided at the inner end of the limiter, a through hole is formed on the limiter for the anchor cable to pass through, and the limiter is provided with a push-in arm and a pull-out arm that can be telescopically moved along the axial direction of the anchor cable; when tightening the anchor cable, the push-in arm extends toward the anchor cable, inserts a clip into a groove of the anchor cable to tighten the anchor cable, and when disassembling the anchor cable, the pull-out arm extends and clamps the clip, and pulls the clip out of the groove of the anchor cable; the push-in arm and the pull-out arm can automatically complete the function of pushing the clip into and pulling out the groove of the anchor cable, thereby reducing manual operation, and the installation and removal process of the limiter is convenient to operate, and no other tools are required.

Description

Technical Field

[0001] The invention patent relates to the technical field of limiters, and specifically, to limiters that facilitate the tensioning and disassembly of anchor cables. Background Art

[0002] Prestressed anchor cables are commonly used support structures in the field of civil engineering, especially in slope and foundation pit support. The clips are used to tighten the anchor cables when they are working. In existing construction technology, a limit plate needs to be installed separately before the anchor cables work. The limit plate fixes the clips during the tensioning process.

[0003] The displacement of the clip will cause the loss of prestress. When the anchor cable needs to be removed, because the limit plate can only be used for tensioning and cannot be used for removal, a separate limit device for anchor cable removal is required. It is even necessary to separately process the limit device required for anchor cable removal on site. In addition, during the removal process, the clip needs to be manually removed, which reduces the safety level. Summary of the invention

[0004] The purpose of the present invention is to provide a limiter which is convenient for tensioning and disassembling the anchor cable, aiming to solve the problem of inconvenience in tensioning and disassembling the anchor cable in the prior art.

[0005] The present invention is implemented as follows: a limiter that is convenient for tensioning and disassembling an anchor cable comprises a limit body, the outer end of the limit body is provided with a jack for tensioning the anchor cable, the inner end of the limit body is provided with a pressing end for pressing the anchor, the limit body forms a through hole for the anchor cable to pass through, and the limit body is provided with a push-in arm and a pull-out arm that can be telescopically moved along the axial direction of the anchor cable; when tightening the anchor cable, the push-in arm extends toward the anchor cable, inserts a clip into the groove of the anchor cable to clamp the anchor cable, and when disassembling the anchor cable, the pull-out arm extends and clamps the clip to pull the clip out of the groove of the anchor cable.

[0006] Furthermore, the pressing end includes an upper pressing end and a lower pressing end, the upper pressing end and the lower pressing end are arranged in a spaced relationship with each other, and a placement area for placing an anchor is formed between the upper pressing end and the lower pressing end.

[0007] Furthermore, the lower pressure end includes the lower placing plate and the lower fixing plate, the lower placing plate and the lower fixing plate are butt-jointed, the lower placing plate is horizontally arranged, and the lower fixing plate is vertically arranged, and when the anchor is placed on the lower pressure end, the lower end of the anchor is placed on the lower placing plate, and the side end of the anchor presses against the lower fixing plate; the upper pressure end includes the upper control plate and the upper fixing plate, the upper control plate and the upper fixing plate are butt-jointed, the upper control plate is horizontally arranged, and the upper fixing plate is vertically arranged, and when the anchor is placed on the upper pressure end, the upper control plate presses against the upper end of the anchor, and the upper fixing plate presses against the side end of the anchor.

[0008] Further, along a direction away from the through hole, the push-in arm and the pull-out arm are respectively raised in an arch shape, and the push-in arm and the pull-out arm are arranged in parallel.

[0009] Furthermore, the pushing arm includes a first pushing arm and a second pushing arm, and the first pushing arm and the second pushing arm are arranged in sequence at intervals along the circumferential direction of the through hole; the pulling arm includes a first pulling arm and a second pulling arm, and the first pulling arm and the second pulling arm are arranged in sequence at intervals along the circumferential direction of the through hole.

[0010] Furthermore, the first push arm includes a push plate and a push rod, the inner end of the push rod is movably docked with the limiting body, the outer end of the push rod is docked with the push plate, the push plate has a front end surface facing the clip, and the front end surface is in a planar arrangement.

[0011] Furthermore, the first pulling arm comprises a pulling rod, the inner end of the pulling rod is movably connected to the limiting body, and the outer end of the inner end of the pulling rod forms a pulling hook portion, and the pulling hook portion is used to clamp the clip.

[0012] Alternatively, the push-in arm is located below the through hole, and the pull-out arm is located below the push-in arm.

[0013] Furthermore, the pushing arm moves between the upper pressing end and the lower pressing end, and the pulling arm moves between the upper pressing end and the lower pressing end.

[0014] Further, the push-in arm is located above the through hole, and the pull-out arm is located above the push-in arm;

[0015] Alternatively, the push-in arm is located below the through hole, and the pull-out arm is located below the push-in arm.

[0016] Furthermore, a controller is provided inside the limiting body, and the controller controls the movement of the push rod and the pull rod respectively.

[0017] Compared with the prior art, the limiter provided by the present invention is convenient for tensioning and disassembling the anchor cable. When tensioning the anchor cable, the anchor is placed on the pressure end, the jack tensions the anchor cable on the anchor, the push-in arm moves toward the anchor, the clip in the anchor is inserted into the groove of the anchor to clamp the anchor cable, so that the clip and the anchor cable fit tightly, and then the jack is released. After the operation is completed, the limiter is removed; when disassembling the anchor cable, the anchor is placed on the pressure end, the jack applies pressure to tension the anchor cable, the pull-out arm extends and clamps the clip, and pulls the clip out of the groove of the anchor, and then the jack releases pressure. After the operation is completed, the limiter is removed. The push-in arm and the pull-out arm automatically push and pull out the clip, which reduces the process of manual operation and improves safety. In addition, the entire removal process of the limiter does not require other operations, which is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the use of the anchor cable and the stopper provided by the present invention;

[0019] Figure 2 is a schematic diagram of a limiter provided by the present invention;

[0020] Figure 3 is a cross-sectional schematic diagram of the limiter provided by the present invention;

[0021] Figure 4 It is a schematic diagram of the use of the push-in arm provided by the present invention;

[0022] Figure 5 is a schematic diagram of the use of the pull-out arm provided by the present invention;

[0023] Figure 6 It is a schematic diagram of the use of the adjustment end and the limiter provided by the present invention;

[0024] Figure 7 It is a cross-sectional schematic diagram of the display, the push-in arm and the pull-out arm provided by the present invention;

[0025] Figure 8 It is a cross-sectional schematic diagram of the fixing portion provided by the present invention. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] The implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0028] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] Reference Figure 1-8 The figure shows a preferred embodiment of the present invention.

[0030] A limiter for facilitating the tensioning and removal of anchor cables comprises a limit body 1, the outer end of the limit body 1 is provided with a jack 3 for tensioning the anchor cable 2, the inner end of the limit body 1 is provided with a pressing end for pressing the anchor 5, the limit body 1 forms a through hole 14 for the anchor cable 2 to pass through, and the limit body 1 is provided with a push arm 4 and a pull-out arm 9 which are telescopically movable along the axial direction of the anchor cable 2; when tightening the anchor cable 2, the push arm 4 is extended toward the anchor 5, and the clip 6 is inserted into the groove of the anchor 5 to clamp the anchor cable 2; when removing the anchor cable 2, the pull-out arm 9 is extended and clamps the clip 6, and the clip 6 is pulled out of the groove of the anchor 5.

[0031] When tensioning the anchor cable 2, the anchor 5 is placed on the pressure end, the jack 3 tensions the anchor cable 2 on the anchor 5, the push arm 4 moves toward the anchor 5, the clip 6 in the anchor 5 is inserted into the groove of the anchor 5 to clamp the anchor cable 2, so that the clip 6 and the anchor cable 2 fit tightly, and then the jack 3 is released. After the operation is completed, the limiter is removed; when removing the anchor cable 2, the anchor 5 is placed on the pressure end, the jack 3 pressurizes and tensions the anchor cable 2, the pull-out arm 9 extends and clamps the clip 6, and pulls the clip 6 out of the groove of the anchor 5, and then the jack 3 releases the pressure. After the operation is completed, the limiter is removed. The push-in arm 4 and the pull-out arm 9 automatically push and pull out the clip 6, which reduces the process of manual operation and improves safety. In addition, the entire removal process of the limiter does not require other operations, which is simple and convenient.

[0032] The limit body 1 is provided with an adjustment end 15, which is located at the lower end of the limit body 1 and is mainly used to adjust the angle of the limiter 1. The adjustment end 15 includes a front supporting end, a rear supporting end and a middle adjusting end. First, the pressing end is aligned with the anchor 5, and the middle adjusting end adjusts the angle with the limit body 1. The front supporting end and the rear supporting end automatically rise and fall to support the limit body 1 according to the angle of the middle adjusting end.

[0033] The pressing end includes an upper pressing end 7 and a lower pressing end 8 , and the upper pressing end 7 and the lower pressing end 8 are arranged correspondingly at intervals, and a placement area for placing the anchor 5 is formed between the upper pressing end 7 and the lower pressing end 8 .

[0034] The anchor 5 is placed between the upper pressing end 7 and the lower pressing end 8, so that the anchor cable can accurately pass through the hole on the anchor 5 for the anchor cable 2 to pass through after passing through the through hole 14. At the same time, it also facilitates the subsequent cooperation between the pushing arm 4, the pulling arm 9 and the clamp 6. The upper pressing end 7 and the lower pressing end 8 play a role in limiting the upper and lower positions of the limit body 1.

[0035] The lower pressing end 8 includes the lower placing plate and the lower fixing plate, the lower placing plate and the lower fixing plate are butt-jointed, the lower placing plate is horizontally arranged, and the lower fixing plate is vertically arranged. When the anchor 5 is placed on the lower pressing end 8, the lower end of the anchor 5 is placed on the lower placing plate, and the side end of the anchor 5 presses against the lower fixing plate; the upper pressing end 7 includes an upper control plate and an upper fixing plate, the upper control plate and the upper fixing plate are butt-jointed, the upper control plate is horizontally arranged, and the upper fixing plate is vertically arranged. When the anchor 5 is placed on the lower pressing end 8, the upper control plate presses against the upper end of the anchor 5, and the upper fixing plate presses against the side end of the anchor 5.

[0036] The lower placing plate and the lower fixing plate limit the upper and lower positions of the lower end of the limiting body 1, a right angle is formed between the lower placing plate and the lower fixing plate, and the anchor 5 is placed at the right angle; the upper control plate and the upper fixing plate limit the upper and lower positions of the upper end of the limiting body 1, a right angle is formed between the upper control plate and the upper fixing plate, and the anchor 5 is placed at the right angle, and the lower placing plate and the lower fixing plate determine the upper and lower positions of the limiting body 1 by positioning the anchor 5.

[0037] Along the direction away from the through hole 14 , the push-in arm 4 and the pull-out arm 9 are respectively raised in an arch shape, and the pull-out arm 9 wraps the push-in arm 4 .

[0038] The anchor cable 2 passes through the limiter through the through hole 14. The cross-sections of the through hole 14 and the anchor cable 2 are both circular. The clip 6 is arranged in an arch shape along the outer circumference of the anchor cable 2. In order to have more contact area with the clip 6 and to concentrate the thrust or pulling force more on the clip 6, the push-in arm 4 and the pull-out arm 9 are designed to be in an arch shape.

[0039] The limiting body 1 includes a controller. In order to better push in or pull out the clip, the two ends of the pushing arm 4 are interactively connected with the controller, and the two ends of the pulling arm 9 are interactively connected with the controller. The controller can not only control the forward movement of the pushing arm 4 and the pulling arm 9, but also control the up and down or left and right adjustment directions of the pushing arm 4 and the pulling arm 9.

[0040] The pushing arm 4 includes a first pushing arm and a second pushing arm, which are arranged in sequence at intervals along the circumferential direction of the through hole 14; the pulling arm 9 includes a first pulling arm and a second pulling arm, which are arranged in sequence at intervals along the circumferential direction of the through hole 14.

[0041] An anchor cable 2 generally has two symmetrical clips 6, so correspondingly, the present solution also designs a first push arm, a second push arm, a first pull arm and a second pull arm, which can push and pull the two clips respectively.

[0042] The first push arm includes a push plate 10 and a push rod. The inner end of the push rod is movably connected to the limiting body 1, and the outer end of the push rod is connected to the push plate 10. The push plate 10 has a front end surface facing the clamping piece 6, and the front end surface is arranged in a plane.

[0043] The push plate 10 and the push rod move toward the clip 6 , and the push plate 10 contacts the clip 6 , inserting the clip 6 into the groove of the anchor 5 to clamp the anchor cable 2 .

[0044] The first pulling arm comprises a pulling rod, the inner end of the pulling rod is movably connected to the limiting body 1 , and the outer end of the inner end of the pulling rod forms a pulling hook portion 13 , which is used to clamp the clip 6 .

[0045] The pull rod and the hook portion 13 move toward the clip 6 , so that the hook portion 13 is embedded in the groove of the clip 6 , and then moves backward to pull the clip 6 out of the groove of the anchor 5 .

[0046] The limiting body 1 includes a fixing part 16, which is located at the lower end of the clip 6. The fixing part 16 is electrically connected to the controller. The fixing part 16 has an inner cavity for accommodating the clip. When the hook part 13 is close to the clip 6, the controller controls the fixing part 16 to open the inner cavity and put the clip into the fixing part 16. The fixing part 16 has an electromagnet that is energized and arranged magnetically. The controller is electrically connected to the electromagnet. When the controller controls the inner cavity to open, the controller controls the electromagnet to generate magnetism and place the clip in the corresponding area. The limiter for facilitating the tensioning and disassembly of the anchor cable includes the clip 6, and the clip 6 forms a clamping groove, which is used for the hook part buckle.

[0047] When the pulling arm 9 pulls the clip 6 out of the groove of the anchor 5, the hook portion 13 is embedded in the clip groove, making it easier for the clip 6 to be pulled out.

[0048] The push-in arm 4 is located above the through hole 14, and the pull-out arm 9 is located above the push-in arm 4;

[0049] Alternatively, the push-in arm 4 is located below the through hole 14 , and the pull-out arm 9 is located below the push-in arm 4 .

[0050] Because the pushing arm 4 acts on the bottom surface of the clip 6 and the pulling arm 9 acts on the outer periphery of the clip 6, the pushing arm 4 is closer to the clip 6 than the pulling arm 9. Therefore, if the pushing arm 4 is above the anchor rod, the pulling arm 9 is above the pushing arm 4. Therefore, if the pushing arm 4 is below the anchor rod, the pulling arm 9 is below the pushing arm 4.

[0051] A controller is provided inside the limiting body 1, and the controller controls the movement of the push rod and the pull rod respectively. In this way, the push rod and the pull rod can automatically complete the installation and removal of the clip 6 without manual operation.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A stopper that facilitates the tensioning and disassembly of anchor cables, characterized in that: The invention comprises a limiting body, the outer end of which is provided with a jack for tensioning the anchor cable, the inner end of which is provided with a pressing end for pressing the anchor, the limiting body forms a through hole for the anchor cable to pass through, and the limiting body is provided with a push-in arm and a pull-out arm which can be telescopically moved along the axial direction of the anchor cable; when tightening the anchor cable, the push-in arm extends toward the anchor cable, inserts the clip into the groove of the anchor cable to clamp the anchor cable, and when disassembling the anchor cable, the pull-out arm extends and clamps the clip, and pulls the clip out of the groove of the anchor cable; The pressing end includes an upper pressing end and a lower pressing end, the upper pressing end and the lower pressing end are arranged in a spaced relationship, and a placement area for placing an anchor is formed between the upper pressing end and the lower pressing end; The lower pressing end comprises a lower placing plate and a lower fixing plate, the lower placing plate and the lower fixing plate are butt-jointed, the lower placing plate is horizontally arranged, and the lower fixing plate is vertically arranged, and when the anchor is placed on the lower pressing end, the lower end of the anchor is placed on the lower placing plate, and the side end of the anchor presses against the lower fixing plate; the upper pressing end comprises an upper control plate and an upper fixing plate, the upper control plate and the upper fixing plate are butt-jointed, the upper control plate is horizontally arranged, and the upper fixing plate is vertically arranged, and when the anchor is placed on the upper pressing end, the upper control plate presses against the upper end of the anchor, and the upper fixing plate presses against the side end of the anchor; Along the direction away from the through hole, the push-in arm and the pull-out arm are respectively raised and arranged in an arch shape, and the pull-out arm wraps the push-in arm; The push-in arm includes a first push arm and a second push arm, and the first push arm and the second push arm are arranged in sequence at intervals along the circumferential direction of the through hole; the pull-out arm includes a first pull arm and a second pull arm, and the first pull arm and the second pull arm are arranged in sequence at intervals along the circumferential direction of the through hole; The first push arm includes a push plate and a push rod, the inner end of the push rod is movably connected to the limiter, the outer end of the push rod is connected to the push plate, the push plate has a front end surface facing the clip, and the front end surface is in a plane arrangement; The first pulling arm comprises a pulling rod, the inner end of the pulling rod is movably connected to the limiting body, and a pulling hook is formed at the inner end of the pulling rod, and the pulling hook is used to clamp the clip; The limiting body is provided with an adjustment end, which is located at the lower end of the limiting body. The adjustment end includes a front supporting end, a rear supporting end and a middle adjusting end. First, the pressing end is aligned with the anchor, and the middle adjusting end adjusts the angle with the limiting body. The front supporting end and the rear supporting end automatically raise and lower the supporting limit body according to the angle of the middle adjusting end.

2. The stopper for facilitating the tensioning and disassembly of the anchor cable as claimed in claim 1, characterized in that: The clip is provided with a clip groove, and the clip groove is used for the hook portion to engage.

3. The stopper for facilitating the tensioning and disassembly of the anchor cable as claimed in claim 2, characterized in that: When the push-in arm is located above the through hole, the pull-out arm is located above the push-in arm; when the push-in arm is located below the through hole, the pull-out arm is located below the push-in arm.

4. The stopper for facilitating the tensioning and disassembly of the anchor cable as claimed in claim 3, characterized in that: A controller is arranged inside the limiting body, and the controller controls the movement of the push rod and the pull rod respectively.

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