Device for preventing collapse of high-position cut pile

Abstract

The utility model discloses a device for preventing collapse of a high-position cut pile. The device comprises a telescopic adjusting ring, a vertical telescopic supporting rod, an inclined telescopic supporting rod and a horizontal telescopic supporting rod, the pile head is sleeved with the telescopic adjusting rings of the rectangular annular structures and abuts against the side wall of the pile head. The vertical telescopic supporting rods, the inclined telescopic supporting rods and the horizontal telescopic supporting rods are hinged to form anti-collapse supporting components of right triangle structures, and the four sets of anti-collapse supporting components are arranged on the outer sides of the corners of the telescopic adjusting ring. The lowermost telescopic adjusting ring and the horizontal telescopic supporting rod are connected in the same horizontal plane, and the corners of the other telescopic adjusting rings are connected with the vertical telescopic supporting rods. The utility model relates to the technical field of constructional engineering, and can solve the problems of poor convenience, high economic cost, large site limitation and poor safety caused by connecting pile heads through a steel wire rope by adopting a large machine in the prior art. The problems that in an existing device, a supporting rod is prone to slipping, and the adaptability to square piles and round piles and square piles of different sizes is not high due to limited resistance bending moment can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of building engineering especially relates to a prevent high -position pile cutting collapse device. BACKGROUND

[0002] According to the design specification requirement, the cast-in-place pile needs to be superfilled to a certain extent, and the pile head of the superfilled part is chiseled during the foundation construction. During the chiseling process of the pile head, the overturning moment received by the pile body around is uneven, and there is a large overturning hidden danger. The traditional chiseling pile anti-collapse method basically adopts large machinery such as excavators or automobile cranes to connect the pile head through a steel wire rope to fix it. This construction method has the disadvantages of poor convenience, high economic cost, large site limitation, poor safety, etc.

[0003] Chinese utility model patent CN215801856U discloses an anti-toppling device applied to pile high-strain test, which comprises supporting claws, adjusting rings and supporting rods. The adjusting rings are stacked and connected correspondingly through the supporting rods between the adjusting rings. The bottom adjusting ring is provided with supporting claws at the bottom. The supporting claws extend radially along the adjusting ring. The supporting rods between the adjusting rings are arranged in the upward-opening clamping grooves, and the supporting claws at the bottom resist the overturning moment generated during the test.

[0004] When the pile body is subjected to overturning moments of different directions and sizes, the supporting rods and the clamping grooves of the claws of the device are not effectively fixed and are easy to slip out of the upward-opening clamping grooves. At the same time, the supporting claws are in the form of cantilever rods, and the supporting claws and the adjusting rings are connected in a hinged manner. Only the pads are used to support between the supporting claws and the adjusting rings, and the resistance to bending moment is limited, which has the risk of instability and limited protection effect. In addition, the fixing ring of the device is a circular ring connected through connecting ears, which is only suitable for round piles. With the diversification of pile design forms, square piles are increasingly used, and the size requirements of pile bodies are different. The device is not suitable for square piles and piles of different sizes.

[0005] Therefore, it is necessary to provide a high-position pile cutting collapse prevention device, which can solve the problems of poor convenience, high economic cost, large site limitation and poor safety in the prior art by using large machinery to connect the pile head through a steel wire rope, and can also solve the problems of easy slipping of the supporting rods, limited resistance to bending moment, and poor adaptability to square piles and piles of different sizes. SUMMARY

[0006] The utility model discloses a prevent high -position pile cutting collapse device, can solve the problem that the prior art adopts large machinery to connect the pile head through a steel wire rope and has the problems of poor convenience, high economic cost, large site limitation and poor safety, and can also solve the problems of easy slipping of the supporting rods, limited resistance to bending moment, and poor adaptability to square piles and piles of different sizes.

[0007] The utility model discloses a realization is like this:

[0008] A prevent high position cutting post collapse device, including telescopic adjusting ring, vertical telescopic support pole, oblique telescopic support pole and horizontal telescopic support pole, telescopic adjusting ring is rectangular ring structure, and several telescopic adjusting rings can be spaced apart and are connected on the pile head and are tightly pressed to the lateral wall of the pile head, vertical telescopic support pole, oblique telescopic support pole and horizontal telescopic support pole are sequentially hinged and form right triangle structure, form the anti-collapse support component, and four groups of anti-collapse support components are correspondingly arranged at the four corners outside of several telescopic adjusting rings, the vertical plane where the anti-collapse support component is located extends along the diagonal direction of telescopic adjusting ring, and the corner of the lowermost telescopic adjusting ring and the inner side end of horizontal telescopic support pole are fixedly connected in the same horizontal plane, and the corners of the rest telescopic adjusting rings are all detachably connected with vertical telescopic support pole.

[0009] Telescopic adjusting ring is composed of four L-shaped right angle adjusting rods and four long straight structure adjusting straight rods, both ends of adjusting straight rod are movably inserted into two adjacent right angle adjusting rods, and four right angle adjusting rods are connected into rectangular ring structure telescopic adjusting ring through four adjusting straight rods.

[0010] Both ends of right angle adjusting rod and both ends of adjusting straight rod are spaced apart and formed with several adjusting holes, so that right angle adjusting rod and adjusting straight rod can be adjustably connected through adjusting pin through one adjusting hole.

[0011] The vertical telescopic support pole, the oblique telescopic support pole and the horizontal telescopic support pole all include a plurality of sleeve pipes of long straight structure, so that the sleeve pipes are movably connected in sequence to form the telescopic rod of long straight structure; the top of the uppermost sleeve pipe of the vertical telescopic support pole is connected with the top of the uppermost sleeve pipe of the oblique telescopic support pole, the bottom of the lowermost sleeve pipe of the oblique telescopic support pole is connected with the top of the outer end of the horizontal telescopic support pole, and the bottom of the lowermost sleeve pipe of the vertical telescopic support pole is connected to the top of the inner end of the horizontal telescopic support pole.

[0012] The end of the sleeve pipe is spaced apart and formed with several adjusting holes, so that the adjacent two sleeve pipes can be adjustably connected through the adjusting pin through one adjusting hole.

[0013] The vertical telescopic support pole is vertically arranged outside the corners of the several telescopic adjusting rings, the inner side of the vertical telescopic support pole is provided with an inner side ear plate with a pin hole, the corner of the telescopic adjusting ring is provided with a pair of limiting ear plates with pin holes, the inner side ear plate is inserted between the pair of limiting ear plates, and the connecting pin is connected through the pin hole and penetrates the inner side ear plate and the pair of limiting ear plates.

[0014] The outer side ear plate of the vertical telescopic supporting rod is inserted into the first U-shaped ear plate, and a connecting pin is penetrated through the pin holes to connect the outer side ear plate and the first U-shaped ear plate.

[0015] The outer side end top of the horizontal telescopic supporting rod is provided with a second U-shaped ear plate with a pin hole, the bottom end of the oblique telescopic supporting rod is provided with a third U-shaped ear plate with a pin hole, the third U-shaped ear plate is inserted into the second U-shaped ear plate, and a connecting pin is penetrated through the pin holes to connect the second U-shaped ear plate and the third U-shaped ear plate.

[0016] The inner side end top of the horizontal telescopic supporting rod is provided with a fourth U-shaped ear plate with a pin hole, the lower end of the vertical telescopic supporting rod is inserted into the fourth U-shaped ear plate, and a connecting pin is connected through the pin hole of the fourth U-shaped ear plate and the adjusting hole of the lower end of the vertical telescopic supporting rod to connect the fourth U-shaped ear plate and the vertical telescopic supporting rod.

[0017] The included angle between the horizontal telescopic supporting rod and the oblique telescopic supporting rod is 45°-60°.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1、The utility model discloses a telescopic adjusting ring and four groups of anti-collapse supporting components are arranged, the whole device adopts telescopic adjusting structure, and the telescopic adjusting ring adopts rectangular ring structure, and the device has good adaptability to square piles and round piles of different sizes, and the application range is wider, and the problem that the adaptability of the existing device to round piles and square piles of different sizes is not strong is solved.

[0020] 2、The utility model discloses a telescopic adjusting ring, a vertical telescopic supporting rod, an oblique telescopic supporting rod and a horizontal telescopic supporting rod, and the telescopic adjusting ring, the vertical telescopic supporting rod, the oblique telescopic supporting rod and the horizontal telescopic supporting rod are connected in the mode of pin shaft insertion, are convenient and quick to disassemble and assemble, are not easy to loosen under external force, are firm in connection, the structure of right-angled triangle and the connecting mode of pin shaft insertion guarantee the stability of structure and the reliability of force transmission, and the problem that the supporting rod is easy to slip off and the resistance bending moment is limited in the existing device is solved.

[0021] 3、The utility model discloses simple structure, and easy to material and production, and cost is lower, and the adjusting flexibility is high and the adjustable range is big, and has good popularization and application prospect. DRAWINGS

[0022] Figure 1 is a perspective view of the high-positioned pile cutting collapse prevention device of the utility model;

[0023] Figure 2 is a perspective view of the telescopic adjusting ring in the high-positioned pile cutting collapse prevention device of the utility model;

[0024] Figure 3 is a perspective view of the vertical telescopic supporting rod in the high-positioned pile cutting collapse prevention device of the utility model;

[0025] Figure 4 is a perspective view of the oblique telescopic supporting rod and the horizontal telescopic supporting rod in the high-positioned pile cutting collapse prevention device of the utility model.

[0026] In the figure: 1 telescopic adjusting ring, 101 right-angle adjusting rod, 102 adjusting straight rod, 103 limiting lug plate, 2 vertical telescopic supporting rod, 201 inner side lug plate, 202 outer side lug plate, 3 oblique telescopic supporting rod, 301 first U-shaped lug plate, 302 third U-shaped lug plate, 4 horizontal telescopic supporting rod, 401 second U-shaped lug plate, 402 fourth U-shaped lug plate, 5 adjusting hole, 6 adjusting bolt, 7 connecting bolt. DETAILED DESCRIPTION

[0027] The utility model will be further described below in combination with the drawings and specific embodiments.

[0028] Please refer to the accompanying Figure 1 A high-positioned pile cutting collapse prevention device, comprising a telescopic adjusting ring 1, a vertical telescopic supporting rod 2, an oblique telescopic supporting rod 3 and a horizontal telescopic supporting rod 4; the telescopic adjusting ring 1 is a rectangular ring structure, so that several channels of telescopic adjusting rings 1 can be spaced and sleeved on the pile head and tightly abut against the side wall of the pile head; the vertical telescopic supporting rod 2, the oblique telescopic supporting rod 3 and the horizontal telescopic supporting rod 4 are sequentially hingedly connected to form a right-angled triangle structure, forming an anti-collapse supporting member, and four groups of anti-collapse supporting members are correspondingly arranged outside the four corners of the several channels of telescopic adjusting rings 1; the vertical plane where the anti-collapse supporting member is located extends and is arranged along the diagonal direction of the telescopic adjusting ring 1, and the corner of the lowermost telescopic adjusting ring 1 and the inner side end (the end close to the pile head is the inner side end, and the end away from the pile head is the outer side end) of the horizontal telescopic supporting rod 4 are fixedly connected in the same horizontal plane, and the corners of the remaining telescopic adjusting rings 1 are all detachably connected with the vertical telescopic supporting rod 2.

[0029] The number and arrangement spacing of the telescopic adjusting rings 1 can be adjusted according to the actual anti-toppling sleeve length requirements, preferably three telescopic adjusting rings 1. The telescopic adjusting ring 1 is a rectangular ring structure, and the size of the telescopic adjusting ring 1 can be adjusted, which can be sleeved outside the square pile or round pile of different sizes. When sleeved on the square pile, the telescopic adjusting ring 1 can be fitted on the four sides of the square pile. When sleeved on the round pile, the telescopic adjusting ring 1 can be circumscribed on the round pile, and the four-point clamping is used to ensure that the telescopic adjusting ring 1 is not detached.

[0030] The anti-collapse support member formed by the vertical telescopic struts 2, the inclined telescopic struts 3 and the horizontal telescopic struts 4 adopts a right triangle structure, which has high stability. The vertical telescopic struts 2, the inclined telescopic struts 3 and the horizontal telescopic struts 4 are in the form of telescopic rods, and the length can be adjusted to adapt to different support requirements, thereby achieving effective support effect and resisting different directions and sizes of overturning moment to achieve the purpose of anti-overturning. At the same time, the anti-collapse support member is arranged along the diagonal direction of the telescopic adjusting ring 1, which can further ensure the transmission of force and the safety of the structure.

[0031] The telescopic adjusting ring 1, the vertical telescopic struts 2, the inclined telescopic struts 3 and the horizontal telescopic struts 4 all adopt telescopic adjusting structure, which has good adaptability under different construction conditions.

[0032] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 The telescopic adjusting ring 1 is composed of four L-shaped right-angle adjusting rods 101 and four long straight adjusting straight rods 102. The two ends of the adjusting straight rod 102 are respectively movably inserted into the adjacent two right-angle adjusting rods 101, so that the four right-angle adjusting rods 101 are connected into a telescopic adjusting ring 1 with a rectangular ring structure through the four adjusting straight rods 102.

[0033] Preferably, the right-angle adjusting rod 101 and the adjusting straight rod 102 can be made of square steel pipe, which is easy to obtain and manufacture. The specifications of the square steel pipe can be selected according to the size of the pile body during actual construction, so that the telescopic adjusting range of the telescopic adjusting ring 1 can adapt to the size of the pile body in the project.

[0034] The adjacent two right-angle adjusting rods 101 are connected by the adjusting straight rod 102, which is convenient, fast and easy to adjust, and has a large adjustable range.

[0035] Please refer to the accompanying drawings Figure 1 and the accompanying drawings Figure 2 The two ends of the right-angle adjusting rod 101 and the two ends of the adjusting straight rod 102 are both spaced to form a plurality of adjusting holes 5, so that the right-angle adjusting rod 101 and the adjusting straight rod 102 can be adjustably connected through one of the adjusting holes 5 by the adjusting pin 6.

[0036] The adjusting pin 6 is preferably sleeved at both ends, and the adjusting pin 6 is adjusted to be detached from the adjusting hole 5 by matching and screwing the limiting nuts at both ends. The number and spacing of the adjusting holes 5 on the right-angle adjusting rod 101 and the adjusting straight rod 102 can be adjusted according to the adjusting range and the adjusting accuracy requirement, the size of the adjusting pin 6 is slightly smaller than the size of the adjusting hole 5, and the right-angle adjusting rod 101 and the adjusting straight rod 102 are connected by inserting the adjusting pin 6 into the adjusting hole 5, which is convenient, fast, and easy to adjust.

[0037] Please refer to the accompanying drawings Figure 1 , the accompanying drawings Figure 3 , and the accompanying drawings Figure 4 , the vertical telescopic support rod 2, the inclined telescopic support rod 3 and the horizontal telescopic support rod 4 all include a plurality of sleeve pipes with long straight structure, and the sleeve pipes are sequentially and movably sleeved to form the telescopic rods with long straight structure; the top of the uppermost sleeve pipe of the vertical telescopic support rod 2 is connected with the top of the uppermost sleeve pipe of the inclined telescopic support rod 3, the bottom of the lowermost sleeve pipe of the inclined telescopic support rod 3 is connected with the top of the outer end of the horizontal telescopic support rod 4, and the bottom of the lowermost sleeve pipe of the vertical telescopic support rod 2 is connected with the top of the inner end of the horizontal telescopic support rod 4.

[0038] Preferably, the sleeve pipe can be a round sleeve pipe or a square sleeve pipe, and the sleeve pipe can be provided with three sections or more or less sections according to actual requirements, has a larger adjustable range, and provides vertical, horizontal and inclined support, which can meet the support strength and support torque requirements under different overturning moments.

[0039] The inner end of the innermost sleeve pipe of the horizontal telescopic support rod 4 can be directly welded to the corner of the right-angle adjusting rod 101 of the last telescopic adjusting ring 1, so that the horizontal telescopic support rod 4 and the last telescopic adjusting ring 1 are located in the same horizontal plane, which is beneficial to improve the stability of the bottom of the device.

[0040] Please refer to the accompanying drawings Figure 1 , the accompanying drawings Figure 3 , and the accompanying drawings Figure 4 , the end of the sleeve pipe is spaced to form a plurality of adjusting holes 5, so that the adjacent two sleeve pipes can be adjustably connected through one of the adjusting holes 5 by the adjusting pin 6.

[0041] Preferably, the adjusting pin 6 is sleeved at both ends, and the adjusting pin 6 is adjusted to be detached from the adjusting hole 5 by matching and screwing the limiting nuts at both ends. The number and spacing of the adjusting holes 5 on the sleeve pipe can be adjusted according to the adjusting range and the adjusting accuracy requirement, the size of the adjusting pin 6 is slightly smaller than the size of the adjusting hole 5, and the adjacent two sleeve pipes are connected by inserting the adjusting pin 6 into the adjusting hole 5, which is convenient, fast, and easy to adjust.

[0042] Please refer to the accompanying drawings Figure 1 , and the accompanying drawings Figure 3The vertical telescopic supporting rod 2 is vertically arranged outside the corners of the telescopic adjusting rings 1, and the inner side of the vertical telescopic supporting rod 2 is provided with an inner side ear plate 201 with a pin hole, and the corners of the telescopic adjusting rings 1 are provided with a pair of limiting ear plates 103 with pin holes, the inner side ear plate 201 is inserted between the pair of limiting ear plates 103, and the connecting pin 7 is connected through the pin holes of the inner side ear plate 201 and the pair of limiting ear plates 103.

[0043] Since the lower end of the vertical telescopic supporting rod 2 is connected with the horizontal telescopic supporting rod 4, preferably, the number of sleeves of the vertical telescopic supporting rod 2 is consistent with the number of the telescopic adjusting rings 1, the inner side ear plate 201 is arranged at the top of the sleeve except the last one, and the pair of limiting ear plates 103 with pin holes are arranged on the corner outer wall of the right angle adjusting rod 101, so that the influence of the inner side ear plate 201 on the telescopic adjustment of the vertical telescopic supporting rod 2 can be avoided to the greatest extent, and the effective connection of the vertical telescopic supporting rod 2 and the telescopic adjusting ring 1 is facilitated.

[0044] Please refer to the attached Figure 1 , the attached Figure 3 and the attached Figure 4 , the top of the outer side of the vertical telescopic supporting rod 2 is provided with an outer side ear plate 202 with a pin hole, the top end of the inclined telescopic supporting rod 3 is provided with a first U-shaped ear plate 301 with a pin hole, the outer side ear plate 202 is inserted into the first U-shaped ear plate 301, and the connecting pin 7 is connected through the pin holes of the outer side ear plate 202 and the first U-shaped ear plate 301.

[0045] Preferably, the connecting pin 7 can be sleeved with a thread at both ends, and the connecting pin 7 is detached from the pin hole by matching and rotating the limiting nuts at both ends. By connecting the outer side ear plate 202 and the first U-shaped ear plate 301 through the pin holes of the connecting pin 7, the disassembly and assembly are convenient and fast, and the connecting pin 7 will not be loosened under external force.

[0046] Please refer to the attached Figure 1 and the attached Figure 4 , the top of the outer side of the vertical telescopic supporting rod 2 is provided with an outer side ear plate 202 with a pin hole, the top end of the inclined telescopic supporting rod 3 is provided with a first U-shaped ear plate 301 with a pin hole, the outer side ear plate 202 is inserted into the first U-shaped ear plate 301, and the connecting pin 7 is connected through the pin holes of the outer side ear plate 202 and the first U-shaped ear plate 301.

[0047] Preferably, the connecting pin 7 can be sleeved with a thread at both ends, and the connecting pin 7 is detached from the pin hole by matching and rotating the limiting nuts at both ends. By connecting the outer side ear plate 202 and the first U-shaped ear plate 301 through the pin holes of the connecting pin 7, the disassembly and assembly are convenient and fast, and the connecting pin 7 will not be loosened under external force.

[0048] Please refer to the attached Figure 1The inner end top of the horizontal telescopic support rod 4 is provided with a fourth U-shaped lug plate 402 with a pin hole, the lower end of the vertical telescopic support rod 2 is inserted into the fourth U-shaped lug plate 402, and the connecting pin 7 is connected to the fourth U-shaped lug plate 402 and the vertical telescopic support rod 2 through the pin hole of the fourth U-shaped lug plate 402 and the adjusting hole 5 at the lower end of the vertical telescopic support rod 2.

[0049] Preferably, the connecting pin 7 is sleeved with a thread at both ends and is connected to the fourth U-shaped lug plate 402 and the vertical telescopic support rod 2 by matching a threaded limiting nut at both ends to prevent the connecting pin 7 from falling off the pin hole and the adjusting hole 5. The connecting pin 7 is inserted into the pin hole and the adjusting hole 5 to connect the fourth U-shaped lug plate 402 and the vertical telescopic support rod 2, which is convenient and fast to disassemble and assemble and will not be loosened under external force.

[0050] The included angle between the horizontal telescopic support rod 4 and the inclined telescopic support rod 3 is 45°-60°.

[0051] Please refer to the attached drawings Figure 1 to the attached drawings Figure 4 Example 1: The device for preventing collapse of high-positioned pile cutting includes three telescopic adjusting rings 1 and four groups of anti-collapse support members; the vertical telescopic support rod 2, the inclined telescopic support rod 3 and the horizontal telescopic support rod 4 are all composed of three sections of straight structure sleeve pipes, wherein the upper section sleeve pipe and the middle section sleeve pipe of the vertical telescopic support rod 2 are both provided with an inner lug plate 201, and the upper section sleeve pipe of the vertical telescopic support rod 2 is provided with an outer lug plate 202. The sleeve pipes of the vertical telescopic support rod 2 and the inclined telescopic support rod 3 are round sleeve pipes, and the sleeve pipes of the horizontal telescopic support rod 4 are square sleeve pipes.

[0052] According to the actual construction conditions, the lengths of the three sections of sleeve pipes of the vertical telescopic support rod 2 are adjusted, the adjacent two sections of sleeve pipes are inserted and connected through the adjusting pin 6 and the adjusting hole 5 at the corresponding positions, so that the three telescopic adjusting rings 1 are vertically arranged at equal intervals or variable intervals and have sufficient sleeve connection length on the pile head to ensure the anti-collapse effect during pile cutting. The inner lug plate 201 is inserted between a pair of limiting lug plates 103 at the corner of the right-angle adjusting rod 101, and the connecting pin 7 is inserted through the pin hole to connect the inner lug plate 301 and the pair of limiting lug plates 103. The four corner of the first and second telescopic adjusting rings 1 are connected to the upper section sleeve pipe and the middle section sleeve pipe of the four vertical telescopic support rods 2 in the same way, which will not be described here.

[0053] According to the actual construction conditions, the lengths of the three sections of sleeve pipes of the horizontal telescopic support rod 4 are adjusted, the adjacent two sections of sleeve pipes are inserted and connected through the adjusting pin 6 and the adjusting hole 5 at the corresponding positions, so that the horizontal telescopic support rod 4 has sufficient horizontal support length to ensure the anti-collapse effect during pile cutting. The lower end of the vertical telescopic support rod 2 is inserted into the fourth U-shaped lug plate 402 at the inner end top of the horizontal telescopic support rod 4, and the connecting pin 7 is inserted into the adjusting hole 5 at the lowermost position of the lower section sleeve pipe of the vertical telescopic support rod 2 and the pin hole of the fourth U-shaped lug plate 402 to vertically connect the vertical telescopic support rod 2 and the horizontal telescopic support rod 4.

[0054] According to the length adjustment of the vertical telescopic struts 2 and the horizontal telescopic struts 4, the three-section sleeve length of the oblique telescopic struts 3 is adjusted, and the adjacent two sections of sleeves are inserted through the adjusting holes 5 at the corresponding positions by the adjusting pins 6, so that the oblique telescopic struts 3 are connected between the vertical telescopic struts 2 and the horizontal telescopic struts 4 as the hypotenuse of a right triangle. The first U-shaped ear plate 301 at the top of the oblique telescopic struts 3 is inserted with the outer ear plate 202, and the outer ear plate 202 and the first U-shaped ear plate 301 are connected by the connecting pin 7 through the pin holes. The third U-shaped ear plate 302 at the bottom of the oblique telescopic struts 3 is inserted with the fourth U-shaped ear plate 402 at the top of the outer end of the horizontal telescopic struts 4, and the third U-shaped ear plate 302 and the fourth U-shaped ear plate 402 are connected by the connecting pin 7 through the pin holes.

[0055] During the pile cutting construction, the upper part and the over-poured part of the pile head are located above the ground, and the ground around the pile head is leveled and reinforced. The three telescopic adjusting rings 1 are sleeved on the pile head and adjusted to match the side surface of the pile head, and the last telescopic adjusting ring 1 and the four horizontal telescopic struts 4 are matched on the ground, so that the pile cutting operation can be performed. The overturning moment generated during the pile cutting operation is transmitted to the ground through the three telescopic adjusting rings 1, the vertical telescopic struts 2, the oblique telescopic struts 3 and the horizontal telescopic struts 4, and the anti-collapse support members arranged in four directions can be used to disperse the overturning moment in each direction, so that the stability of the pile body is ensured and the risk of overturning is avoided.

[0056] The above is only a preferred embodiment of the present application, and is not used to limit the protection scope of the present application, therefore, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A device for preventing collapse of high-level stub cutting, characterized by: The utility model provides a kind of collapsible adjustable ring (1), vertical telescopic strut (2), oblique telescopic strut (3) and horizontal telescopic strut (4);Collapsible adjustable ring (1) is rectangular ring structure, so that several collapsible adjustable ring (1) can be spaced apart and be connected on pile head and be tightly pressed to the side wall of pile head;Vertical telescopic strut (2), oblique telescopic strut (3) and horizontal telescopic strut (4) are sequentially hinged and form right triangle structure, form anti-collapse support component, and four groups of anti-collapse support component are correspondingly arranged at the four corners outside of several collapsible adjustable ring (1);The vertical plane where anti-collapse support component is located extends along the diagonal direction of collapsible adjustable ring (1), and the corner of the lowermost collapsible adjustable ring (1) is fixedly connected with the inner side end of horizontal telescopic strut (4) in the same horizontal plane, and the corner of remaining collapsible adjustable ring (1) is all detachably connected with vertical telescopic strut (2).

2. The device for preventing collapse of high-level notching according to claim 1, characterized in that: The telescopic adjustable ring (1) is composed of four L-shaped right-angle adjusting rods (101) and four long straight adjusting straight rods (102), the two ends of the adjusting straight rod (102) are movably inserted into the adjacent two right-angle adjusting rods (101) respectively, so that the four right-angle adjusting rods (101) are connected into the telescopic adjustable ring (1) with a rectangular ring structure through the four adjusting straight rods (102).

3. The device for preventing collapse of high-level notching according to claim 2, characterized in that: The two ends of the right-angle adjusting rod (101) and the two ends of the adjusting straight rod (102) are both spaced apart to form a plurality of adjusting holes (5), so that the right-angle adjusting rod (101) and the adjusting straight rod (102) can be adjustably connected through the adjusting pin (6) through one of the adjusting holes (5).

4. The device for preventing collapse of high-level notching according to claim 1, wherein: The vertical telescopic strut (2), the oblique telescopic strut (3) and the horizontal telescopic strut (4) all include a plurality of long straight sleeve pipes, so that the plurality of sleeve pipes are movably connected in sequence to form a long straight telescopic rod; the top of the uppermost sleeve pipe of the vertical telescopic strut (2) is connected with the top of the uppermost sleeve pipe of the oblique telescopic strut (3), the bottom of the lowermost sleeve pipe of the oblique telescopic strut (3) is connected with the top of the outer end of the horizontal telescopic strut (4), and the bottom of the lowermost sleeve pipe of the vertical telescopic strut (2) is connected to the top of the inner end of the horizontal telescopic strut (4).

5. The device for preventing collapse of high-level stub according to claim 4, characterized in that: The end of the sleeve pipe is spaced apart to form a plurality of adjusting holes (5), so that the adjacent two sleeve pipes can be adjustably connected through the adjusting pin (6) through one of the adjusting holes (5).

6. The device for preventing collapse of high-level notching according to claim 4, characterized in that: The vertical telescopic strut (2) is vertically arranged outside the corners of the plurality of collapsible adjustable rings (1), the inner side of the vertical telescopic strut (2) is provided with an inner side ear plate (201) with a pin hole, the corner of the collapsible adjustable ring (1) is provided with a pair of limiting ear plates (103) with pin holes, the inner side ear plate (201) is inserted between the pair of limiting ear plates (103), and the connecting pin (7) penetrates the inner side ear plate (201) and the pair of limiting ear plates (103) through the pin holes.

7. The device for preventing collapse of high-level notching according to claim 4 or 6, characterized in that: The outer side of the vertical telescopic supporting rod (2) is provided with an outer side ear plate (202) with a pin hole at the top, the top end of the oblique telescopic supporting rod (3) is provided with a first U-shaped ear plate (301) with a pin hole, the outer side ear plate (202) is inserted into the first U-shaped ear plate (301), and a connecting pin (7) penetrates the outer side ear plate (202) and the first U-shaped ear plate (301) through the pin holes.

8. The device for preventing collapse of high-level notching according to claim 4, characterized in that: The outer side end of the horizontal telescopic supporting rod (4) is provided with a second U-shaped ear plate (401) with a pin hole at the top, the bottom end of the oblique telescopic supporting rod (3) is provided with a third U-shaped ear plate (302) with a pin hole, the third U-shaped ear plate (302) is inserted into the second U-shaped ear plate (401), and a connecting pin (7) penetrates the second U-shaped ear plate (401) and the third U-shaped ear plate (302) through the pin holes.

9. The device for preventing collapse of high-level notching according to claim 4 or 8, characterized in that: The inner side end of the horizontal telescopic supporting rod (4) is provided with a fourth U-shaped ear plate (402) with a pin hole at the top, the lower end of the vertical telescopic supporting rod (2) is inserted into the fourth U-shaped ear plate (402), and a connecting pin (7) connects the fourth U-shaped ear plate (402) and the vertical telescopic supporting rod (2) through the pin hole of the fourth U-shaped ear plate (402) and the adjusting hole (5) at the lower end of the vertical telescopic supporting rod (2).

10. The device for preventing collapse of high-level notching according to claim 9, characterized in that: The included angle between the horizontal telescopic supporting rod (4) and the oblique telescopic supporting rod (3) is 45°-60°.

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