CN212294680U - Rotary pulling clamping piece type self-unlocking anchor cable - Google Patents

Abstract

The utility model relates to the technical field of engineering tools, and discloses a rotary-pull clamping piece type self-unlocking anchor cable, which comprises an anchor, a clamping piece, a sliding cylinder and a fixed wedge block, wherein the anchor is provided with a fixed through hole, the clamping piece is used for clamping an anchor bar, the sliding cylinder is provided with a sliding cylinder through hole, the fixed wedge block is provided with a fixed groove, the front end of the sliding cylinder is connected with the clamping piece, and the fixed wedge block is provided with a loading hole which runs through the fixed groove; the clamping piece is fixed by the fixed wedge block through the arrangement of the fixed wedge block and the clamping piece, the sliding cylinder is arranged in the anchorage device, the clamping piece is connected to the front end of the sliding cylinder, and the sliding cylinder moves to drive the clamping piece to be attached to or detached from the fixed wedge block, so that the sliding cylinder drives the clamping piece to be released and the anchor bar can be pulled out of the anchorage device as long as the sliding cylinder moves in the direction away from the wedge block; and the outer wall of the sliding barrel is provided with a tenon matched with the sliding groove in the anchorage device, so that the sliding barrel can move back and forth in the fixing through hole in the anchorage device along the extending direction of the sliding groove, and the device is stable, convenient and very practical.

Description

Rotary pulling clamping piece type self-unlocking anchor cable

Technical Field

The patent of the utility model relates to a technical field of engineering apparatus particularly, relates to and draws clamping piece type from unblock anchor rope soon.

Background

The recoverable anchor cable is a green engineering technology and is increasingly applied to the field of foundation pit support in recent years; the self-unlocking recoverable anchor cable is widely applied in China due to simple recovery process, high reliability, high recovery speed and low cost.

Currently, a recoverable anchor cable mainly comprises an anchor device and an anchor bar, wherein the anchor bar is in threaded connection with the anchor device so as to fix the anchor device and the anchor bar.

Among the prior art, the ground tackle is direct and anchor bar threaded connection, and when tensile stress on the anchor bar was too big, the anchor bar broke away from out from the ground tackle easily, can cause permanent harm to the screw thread in the ground tackle moreover to lead to the unable rethread threaded connection of anchor bar and ground tackle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spin-draw clamping piece type is from unblock anchor rope, aim at providing one kind and connect inseparable spin-draw clamping piece type from unblock anchor rope.

The utility model discloses a realize like this, spin-draw clamping piece type self-unlocking anchor rope, including the ground tackle that is equipped with fixing hole, the clamping piece that is used for centre gripping anchor rod, the slide cartridge that is formed with the slide cartridge through-hole and the fixed voussoir that is formed with fixed recess, the front end of slide cartridge with the clamping piece is connected, and be formed with the loading hole on the fixed voussoir, the loading hole runs through fixed recess; the sliding barrel, the clamping piece and the fixed wedge block are all positioned in the fixed through hole, a tenon is arranged on the outer wall of the sliding barrel, a sliding groove is arranged on the inner wall of the fixed through hole, and the tenon is matched with the sliding groove; the sliding cylinder drives the clamping piece to be compressed by the fixed wedge block, and the anchor bars penetrate through the clamping piece from the loading hole, extend into the through hole of the sliding cylinder and are fixed by the clamping piece.

Furthermore, internal threads are arranged in the sliding barrel, a screw is embedded in the through hole of the sliding barrel, a screw through hole which is communicated from left to right is formed in the screw, and the anchor bar is inserted into the screw through hole; the screw rod is in threaded connection with the sliding barrel.

Furthermore, the anchor bars are inserted from one end of the screw rod through hole in the screw rod, the other end of the screw rod through hole is provided with a stopping part, and the stopping part is abutted to the anchor bars and limits the anchor bars to be continuously inserted.

Furthermore, a rear thrust ring is inserted into the through hole of the sliding barrel, the rear thrust ring is arranged in the extending direction departing from the clamping piece, and the rear thrust ring is used for limiting the front and back movement of the screw rod.

Further, the symmetry is equipped with the bar hole of arranging from going to the back extension on the slide cartridge, back thrust ring has two back bar pieces, back bar piece is followed the bar hole is worn to establish outward, back bar piece with fixed through hole's inner wall connection.

Further, a front thrust ring is arranged in the fixing through hole and arranged between the clamping piece and the sliding barrel; the front thrust ring is provided with two front strips, and the front strips are connected with the inner wall of the fixing through hole.

Further, the clamping piece comprises a first piece and a second piece, and the first piece and the second piece surround and clamp the anchor bars; the first piece and the second piece are gradually arranged in a contracting mode in the extending direction from the sliding barrel to the fixed wedge block.

Further, the slotted opening of the fixing groove faces the sliding barrel, and the fixing groove is gradually arranged in a shrinking mode in the direction away from the sliding barrel.

Further, the inner groove wall of the groove is closely attached to the outer walls of the first sheet and the second sheet.

Further, the sliding groove extends along a direction from the front thrust ring to the rear thrust ring.

Compared with the prior art, the utility model provides a spin-draw clamping piece type self-unlocking anchor rope, through setting up fixed voussoir and clamping piece, utilize fixed voussoir fixed clamping piece, and set up the slide cartridge in the ground tackle, the clamping piece is connected to the front end of slide cartridge, utilize the removal of slide cartridge to drive clamping piece and fixed voussoir to hug closely or break away from, like this, as long as the slide cartridge moves in the direction that deviates from the voussoir, the slide cartridge drives the clamping piece and relaxs, the anchor rod can be taken out from the ground tackle; and the outer wall of the sliding barrel is provided with a tenon matched with the sliding groove in the anchorage device, so that the sliding barrel can move back and forth in the fixing through hole in the anchorage device along the extending direction of the sliding groove, and the device is stable, convenient and very practical.

Drawings

Fig. 1 is a schematic perspective view of a twist-pull clip type self-unlocking anchor cable provided by the present invention;

fig. 2 is a schematic cross-sectional view of a twist-pull clip type self-unlocking anchor cable provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Referring to fig. 1-2, the preferred embodiment of the present invention is shown.

The rotary-pull clamping piece 15 type self-unlocking anchor cable provided by the embodiment can be used in the field of constructional engineering and also can be used in the field of mechanical engineering.

The self-unlocking anchor cable of the rotary-pull clamping piece 15 type comprises an anchor 11, a clamping piece 15, a sliding cylinder 12 and a fixed wedge block 19, wherein the anchor 11 is provided with a fixed through hole, the clamping piece 15 is used for clamping an anchor bar 16, the sliding cylinder 12 is provided with a sliding cylinder through hole, the fixed wedge block 19 is provided with a fixed groove, the front end of the sliding cylinder 12 is connected with the clamping piece 15, the fixed wedge block 19 is provided with a loading hole, and the loading hole penetrates through the fixed groove; the sliding barrel 12, the clamping piece 15 and the fixed wedge block 19 are all positioned in the fixed through hole, a tenon 13 is arranged on the outer wall of the sliding barrel 12, a sliding groove is arranged on the inner wall of the fixed through hole, and the tenon 13 is matched with the sliding groove; the slide 12 drives the clip 15 to be pressed by the fixing wedge 19, and the anchor bar 16 passes through the clip 15 from the loading hole and extends into the slide through hole to be fixed by the clip 15.

By arranging the fixed wedge block 19 and the clamping piece 15, the clamping piece 15 is fixed by the fixed wedge block 19, the slide cylinder 12 is arranged in the anchorage device 11, the clamping piece 15 is connected to the front end of the slide cylinder 12, and the clamping piece 15 is driven to be attached to or detached from the fixed wedge block 19 by the movement of the slide cylinder 12, so that the slide cylinder 12 drives the clamping piece 15 to be loosened and the anchor rib 16 can be pulled out of the anchorage device 11 as long as the slide cylinder 12 moves in the direction away from the wedge block; and the outer wall of the sliding barrel 12 is provided with a tenon 13 matched with the sliding groove in the anchor device 11, so that the sliding barrel 12 can move back and forth in the fixing through hole in the anchor device 11 along the extending direction of the sliding groove, and the device is stable, convenient and very practical.

Wherein, the sliding cylinder 12 is provided with internal threads, the screw rod 20 is embedded in the through hole of the sliding cylinder, the screw rod 20 is provided with a screw rod through hole which is communicated from left to right, and the anchor bar 16 is inserted into the screw rod through hole; the screw 20 is in threaded connection with the sliding barrel 12, so that when the anchor bar 16 drives the screw 20 to rotate in the sliding barrel 12, the sliding barrel 12 is also driven to move in the fixing through hole of the anchor 11, and the sliding barrel 12 drives the clamping piece 15 to be separated from or attached to the fixing wedge block 19, so that the purpose that the clamping piece 15 does not clamp the anchor bar 16 or the clamping piece 15 clamps the anchor bar 16 is achieved.

The anchor bar 16 is inserted from one end of the screw rod through hole on the screw rod 20, the other end of the screw rod through hole is provided with the stopping part, the stopping part is abutted against the anchor bar 16 and limits the anchor bar 16 to be inserted continuously, so that the anchor bar 16 can be limited, the anchor bar 16 is prevented from penetrating through the screw rod through hole of the screw rod 20, and the stopping part is arranged, when the anchor bar 16 rotates, the screw rod 20 is more easily driven to rotate, and the device is very convenient; the stopping piece can be a transverse bolt or other objects transversely arranged in the through hole of the screw rod.

A rear thrust ring is inserted into the through hole of the sliding barrel and is arranged in the extending direction departing from the clamping piece 15; specifically, the symmetry is equipped with the bar hole of arranging from going to back extension on the smooth section of thick bamboo 12, back thrust ring has two back bar pieces, back bar piece is worn to establish from the bar hole toward outside, back bar piece and fixed through-hole's inner wall connection, like this, back thrust ring can prevent screw rod 20 excessive movement, thereby realize screw rod 20 when revolving or the derotation reaches certain number of times, screw rod 20 breaks away from gradually or continues to be connected with smooth section of thick bamboo 12, screw rod 20 can not move forward because of the rear end is blocked by back thrust ring, promote smooth section of thick bamboo 12 and move forward, smooth section of thick bamboo 12 drives clamping piece 15 through stud 14 and moves forward, clamping piece 15 breaks away from the anchor eye, relieves the tight lock state with anchor muscle 16.

Specifically, the rear strip-shaped part on the rear thrust ring 18 moves back and forth in the straight through area of the strip-shaped hole, when the sliding barrel 12 is pushed by the rotation of the screw rod 20, the sliding barrel 12 is limited by the rear strip-shaped part and moves back and forth in the fixing through hole of the anchor 11, so that the clamping piece 15 is driven to move, the tightness of the clamping piece 15 on the anchor bar 16 is adjusted, and the adjusting device is very convenient.

A front thrust ring 17 is arranged in the fixing through hole, and the front thrust ring 17 is arranged between the clamping piece 15 and the sliding barrel 12; the front thrust ring 17 has two front strips which are connected to the inner wall of the fixing through hole, so that when the anchor bar 16 is pulled out, the clip 15 can be restricted by the front thrust ring 17 to move further, thereby smoothly pulling out the anchor bar 16.

In another embodiment, the spring is connected between the clip 15 and the front thrust ring 17 and is a loose spring, so that when the anchor bar 16 is taken out of the anchor device 11, the spring drives the clip 15 to move toward the fixing groove, and when the anchor bar 16 is inserted into the anchor device 11 and clamps the anchor bar 16 next time, the spring drives the clip 15 to be more closely attached to the fixing groove, thereby preventing the stud bolt 14 from breaking and causing the clip 15 to loosen the anchor bar 16.

Specifically, springs are connected between both sides of the clip 15 and the front thrust ring 17, and at least two springs are provided.

Specifically, the front thrust ring 17 is formed with a front thrust hole, the anchor bar 16 is inserted into the screw 20 in the sliding cylinder 12 through the front thrust hole, and the diameter of the rear thrust hole on the rear thrust ring is smaller than the outer diameter of the screw 20, so that the screw 20 can be prevented from passing through the rear thrust ring, wherein the front thrust ring 17 and the rear thrust ring can be the same type of thrust ring or different types of thrust rings.

The clamping piece 15 comprises a first piece and a second piece which enclose the clamping anchor bar 16; the first and second pieces are arranged to gradually contract from the slide 12 to the fixing wedge 19, the opening of the fixing groove faces the slide 12, and the fixing groove is arranged to gradually contract in a direction away from the slide 12, so that the clip 15 can better clamp the anchor bar 16 when the clip 15 moves into the fixing groove.

Wherein the first and second plates are respectively connected to the front thrust ring 17 by a spring, and the first and second plates are respectively connected to the spool 12 by the stud bolts 14.

Also, the outer surface of the spool 12 is spaced from the inner wall of the fixing through-hole.

Wherein, the inner slot wall of recess and the outer wall of first piece and second piece are hugged closely and are arranged, and after clamping piece 15 and the tight arrangement of recess ground inner slot wall, clamping piece 15 can press from both sides tight anchor 16 better.

Also, the sliding groove is arranged extending in the direction from the front thrust ring 17 to the rear thrust ring.

In addition, in order to prevent the mistaken unlocking, the distance between the external thread of the screw rod 20 and the internal thread of the sliding barrel 12 is matched with the advancing distance of the sliding barrel 12, the anchor bars 16 are unlocked from the clamping pieces 15 by rotating the anchor bars 1610 for a circle, and the mistaken unlocking can be avoided when the number of the rotating circles of the anchor bars 16 is not more than 5 circles during recovery from the time measurement.

In addition, the first piece and the second piece are respectively connected with the slide cylinder 12 through a stud bolt 14; the tenons 13 may be provided two to four along the circumference of the slide cylinder 12, and the tenons 13 are provided to further limit the moving path of the slide cylinder 12.

And the upper surface of the tenon 13 is provided with a plurality of wales, wherein the wales can enhance the matching degree of the tenon 13 and the sliding groove.

In another embodiment, the outer circumference of the tenon 13 is provided with a buffer layer, the buffer layer covers the upper surface of the tenon 13, the buffer layer is arranged in contact with the bottom of the sliding groove, and the buffer layer is used for preventing the tenon 13 from being worn.

Wherein, the both sides of the tank bottom of sliding groove are formed with the indent, and the both sides of buffer layer are protruding to be formed with the joint piece, and the joint piece joint is in the indent.

Specifically, at least one layer of fixing sleeve is arranged on the fixing groove on the fixing wedge block 19, and the fixing sleeve is used for buffering the clamping piece 15 and tightening the clinging degree of the clamping piece 15 and the inner groove wall of the fixing groove.

Furthermore, the fixed wedge 19 is fixedly connected with the inner wall of the anchor 11, the fixed wedge 19 is arranged at the front position of the fixed through hole on the anchor 11, a protrusion layer is formed in the anchor 11 in a protruding mode, the protrusion layer is used for covering the sliding cylinder 12, and the sliding groove is formed in the protrusion layer.

Further, the fixing wedge 19 is recessed toward the center of the slide 12 to form a fixing groove; wherein, the central points of the fixed through hole, the sliding barrel through hole and the screw rod through hole are positioned on the same line.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The rotary-pulling clamping piece type self-unlocking anchor cable is characterized by comprising an anchor with a fixing through hole, a clamping piece for clamping an anchor bar, a sliding barrel with a sliding barrel through hole and a fixing wedge block with a fixing groove, wherein the front end of the sliding barrel is connected with the clamping piece, a loading hole is formed in the fixing wedge block, and the loading hole penetrates through the fixing groove; the sliding barrel, the clamping piece and the fixed wedge block are all positioned in the fixed through hole, a tenon is arranged on the outer wall of the sliding barrel, a sliding groove is arranged on the inner wall of the fixed through hole, and the tenon is matched with the sliding groove; the sliding cylinder drives the clamping piece to be compressed by the fixed wedge block, and the anchor bars penetrate through the clamping piece from the loading hole, extend into the through hole of the sliding cylinder and are fixed by the clamping piece.

2. The twist-pull clip type self-unlocking anchor cable as claimed in claim 1, wherein said slide cylinder is internally provided with an internal thread, said slide cylinder through hole is embedded with a screw rod, said screw rod is formed with a screw rod through hole penetrating from left to right, and said anchor bar is inserted into said screw rod through hole; the screw rod is in threaded connection with the sliding barrel.

3. The twist-pull clip type self-unlocking anchor cable as claimed in claim 2, wherein said anchor bar is inserted from one end of a screw through hole formed in said screw, and a stopper is provided at the other end of said screw through hole, said stopper abutting said anchor bar and restricting the insertion of said anchor bar.

4. The twist-pull clip type self-unlocking anchor cable as claimed in claim 3, wherein a rear thrust ring is inserted into the through hole of the slide barrel, the rear thrust ring being disposed in an extending direction away from the clip, the rear thrust ring being for restricting forward and backward movement of the screw.

5. The twist-pull clip type self-unlocking anchor cable as claimed in claim 4, wherein said slide cylinder is symmetrically provided with strip-shaped holes extending from front to back, said back thrust ring has two back strips, said back strips are penetrated from said strip-shaped holes to outside, and said back strips are connected with the inner wall of said fixing through-hole.

6. The twist-pull clip type self-unlocking anchor cable as claimed in claim 5, wherein a forward thrust ring is provided in said fixing through-hole, said forward thrust ring being disposed between said clip and said slide; the front thrust ring is provided with two front strips, and the front strips are connected with the inner wall of the fixing through hole.

7. The twist-pull clip type self-unlocking anchor cable of claim 6, wherein said clip includes a first piece and a second piece, said first piece and said second piece enclosing and clamping said anchor bar; the first piece and the second piece are gradually arranged in a contracting mode in the extending direction from the sliding barrel to the fixed wedge block.

8. The twist-pull clip type self-unlocking anchor cable as claimed in any one of claims 1 to 5, wherein the fixing groove is notched toward the slide, and the fixing groove is arranged to be gradually contracted in a direction away from the slide.

9. The twist-pull clip type self-unlocking anchor cable of claim 7, wherein an inner groove wall of said groove is disposed in close proximity to an outer wall of said first piece and said second piece.

10. The twist-pull clip type self-unlocking anchor cable as claimed in claim 6, wherein said slide groove is arranged to extend in a direction from said front thrust ring to said rear thrust ring.

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