CN217267459U

CN217267459U - Stable pile extractor for removing old piles

Info

Publication number: CN217267459U
Application number: CN202220475423.9U
Authority: CN
Inventors: 陈斌; 李迪安; 刘涛; 缪献鹏; 王军; 孙凤娇; 焦腾腾; 毛林涛; 齐明磊; 肖瑞杰
Original assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Current assignee: First Construction Co Ltd of China Construction Eighth Engineering Division Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-23
Anticipated expiration: 2032-03-07

Abstract

The utility model provides an old pile is pulled out and is used stable form pile extractor, including the pile extractor, pile extractor lower surface is equipped with adjustment mechanism, and pile extractor periphery wall is equipped with moving mechanism, and adjustment mechanism includes step motor, step motor's output shaft periphery wall fixedly connected with guide block, and the guide block overcoat has connect the support frame, and fixed mounting has electronic lead screw in the support frame, and the output shaft threaded connection of electronic lead screw has screw-nut, and support frame upper surface swing joint has the kicking block. The utility model has the advantages that: through setting up adjustment mechanism for the clearance can not appear when the ground of unevenness is placed to the pile extractor, ensures the ground and to the support nature of pile extractor, and then improves the stability in the working process, through setting up moving mechanism, makes the pile extractor when the short duration removes, need not to carry through loop wheel machine or manual work, thereby reduces the extravagant time of removal in-process, improves work efficiency.

Description

Stable pile extractor for removing old piles

Technical Field

The utility model relates to a construction equipment technical field especially relates to an old stake is pulled out and is used stable form pile extractor.

Background

Along with the continuous expansion of urban scale, urban construction land is more and more tense, the updating and transformation of old buildings are more and more common, if pile positions of newly designed engineering piles and supporting piles are overlapped with those of pile foundations of the old buildings, construction difficulty is inevitably caused, the construction quality of the engineering piles and the supporting piles is seriously influenced, and therefore the construction of newly designed pile bodies can be carried out only after the pile foundations in the original site are processed.

The hydraulic pile extractor clamps the pile head by using the pile clamping device, the hydraulic cylinder forcibly pushes the pile clamping device to lift the pile upwards for a certain distance, and the pile is extracted section by section, so that the hydraulic pile extractor is suitable for extracting I-shaped steel or section steel piles in clay, sandy soil or soil layers containing a small amount of gravels.

The existing pile extractor is generally moved by a crane, so that the pile extractor is inconvenient, and the ground near the pile extractor is often difficult to keep smooth, so that a gap exists between the pile extractor and the ground when the pile extractor is placed, and the stability of the pile extractor during working is influenced.

How to solve the above technical problems is the subject faced by the present invention.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a reasonable in design, simple structure, safe and reliable is convenient for remove, and stability is good, effectively solves the not convenient to remove of old stake of the relatively poor problem of stability and pulls out with stable form pile puller.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a stable pile extractor for removing old piles, which comprises a pile extractor, wherein the lower surface of the pile extractor is movably connected with an adjusting mechanism, and the peripheral wall of the pile extractor is fixedly connected with a moving mechanism;

the pile extractor comprises a main machine, wherein a base is fixedly connected to the lower surface of the main machine, and a hook hole for lifting is formed in the peripheral wall of the main machine;

the adjusting mechanism comprises a stepping motor, a guide block is fixedly connected to the peripheral wall of an output shaft of the stepping motor, and one end, far away from the guide block, of the stepping motor is inserted into the base and is fixedly connected with the base;

the guide block has cup jointed the support frame outward, seted up in the support frame with the spout of guide block looks adaptation, the equal fixedly connected with in two surfaces around the guide block insert to stopping piece in the support frame, fixed mounting has electronic lead screw in the support frame, the output shaft threaded connection of electronic lead screw has screw-nut, support frame upper surface swing joint has the kicking block, the kicking block with fixedly connected with trace between the screw-nut.

The quantity of step motor is four, the support frame lower surface with the base lower surface is parallel, the support frame is kept away from step motor's one side height is less than the support frame is close to step motor's one side height, step motor output shaft rotates and drives the support frame removes, the inclination of electric silk equals the inclination of support frame upper surface, through control electric lead screw output shaft rotate drive with the trace is connected the kicking block removes.

The top block upper surface and the base lower surface are located in the same plane, and the width of the top block is equal to that of the supporting frame.

The lower surface of the ejector block and the upper surface of the support frame are both located in the same plane, the length of the ejector block is smaller than that of the support frame, and the length of the ejector block is larger than that of the electric screw rod.

The moving mechanism comprises an extension frame, the extension frame is fixedly connected with the host, the number of the extension frame is four, the extension frame is far away from one end of the host and fixedly connected with an electric telescopic rod, the lower surface of an output shaft of the electric telescopic rod is fixedly connected with a moving wheel, the support frame is driven to be separated from the ground by controlling the extension of the output shaft of the electric telescopic rod, and then the moving wheel can be pushed.

The utility model discloses during the in-service use: drive support frame and ground separation back through control electric telescopic handle output shaft extension, promote pile extractor to remove to the old pile top that needs to be pulled out, then observe the barrier condition on ground, adjust four step motor respectively, make it drive the support frame and rotate to the angle that no barrier blockked, the shrink of electric telescopic handle output shaft is controlled again, make support frame and ground contact, observe the contact condition on four support frames and ground, when appearing the clearance, adjust the inside electric screw rod of this support frame, make it drive the kicking block and slide, and then fill the clearance, make the base, kicking block and support frame homoenergetic in close contact with.

The utility model has the advantages that:

1. the utility model discloses a set up adjustment mechanism for the pile puller can not appear the clearance when the ground of unevenness is placed, guarantees the ground to the support nature of pile puller, and then improves the stability in the working process.

2. The utility model discloses a set up moving mechanism for pile extractor need not to carry through loop wheel machine or manual work when the short duration removes, thereby reduces the extravagant time of removal in-process, improves work efficiency.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic structural diagram of the adjusting mechanism of the present invention;

fig. 3 is a partially enlarged view of a portion a shown in fig. 2.

Wherein the reference numerals are: 1. pile extractor; 11. a host; 12. a base; 2. an adjustment mechanism; 21. a stepping motor; 22. a guide block; 23. a support frame; 24. an electric screw rod; 25. a feed screw nut; 26. a top block; 27. a linkage rod; 3. a moving mechanism; 31. an extension frame; 32. an electric telescopic rod; 33. the wheel is moved.

Detailed Description

Technical characteristics of the scheme can be clearly explained, and the scheme is explained through a specific implementation mode.

Referring to fig. 1 to 3, this embodiment is a stable form pile extractor for removing old pile, including pile extractor 1, pile extractor 1 lower surface swing joint has adjustment mechanism 2, and pile extractor 1 includes host computer 11, and host computer 11 lower surface fixed connection has base 12, and the lifting hook hole that is used for lifting by crane is seted up to host computer 11 periphery wall.

The adjusting mechanism 2 comprises a stepping motor 21, a guide block 22 is fixedly connected to the outer peripheral wall of an output shaft of the stepping motor 21, one end of the stepping motor 21, which is far away from the guide block 22, is inserted into the base 12 and is fixedly connected with the base 12, a support frame 23 is sleeved outside the guide block 22, a sliding chute matched with the guide block 22 is formed in the support frame 23, stopping blocks inserted into the support frame 23 are fixedly connected to the front surface and the rear surface of the guide block 22, an electric screw rod 24 is fixedly installed in the support frame 23, a screw rod nut 25 is connected to an output shaft of the electric screw rod 24 through threads, a top block 26 is movably connected to the upper surface of the support frame 23, linkage rods 27 are fixedly connected between the top block 26 and the screw rod nut 25, the number of the stepping motors 21 is four, the lower surface of the support frame 23 is parallel to the lower surface of the base 12, the height of one side, which is far away from the stepping motor 21, is smaller than the height of one side, which is close to the stepping motor 21, of the support frame 23, the output shaft of the stepping motor 21 rotates to drive the support frame 23 to move, the inclination angle of the electric screw 24 is equal to the inclination angle of the upper surface of the support frame 23, the output shaft of the electric screw 24 is controlled to rotate to drive the ejector block 26 connected with the linkage rod 27 to move, the upper surface of the ejector block 26 and the lower surface of the base 12 are both located in the same plane, the width of the ejector block 26 is equal to that of the support frame 23, the lower surface of the ejector block 26 and the upper surface of the support frame 23 are both located in the same plane, the length of the ejector block 26 is smaller than that of the support frame 23, and the length of the ejector block 26 is larger than that of the electric screw 24.

1 periphery wall fixedly connected with moving mechanism 3 of pile drawer, moving mechanism 3 includes extension frame 31,

extension frame

31 and 11 fixed connection of host computer, the quantity of extension frame 31 is four, extension frame 31 keeps away from the one end fixedly connected with electric telescopic handle 32 of host computer 11, electric telescopic handle 32's output shaft lower fixed surface is connected with and removes wheel 33, it drives support frame 23 and ground separation to extend through control electric telescopic handle 32 output shaft, and then the accessible removes wheel 33 and promotes.

The utility model discloses during the in-service use: after driving support frame 23 and ground separation through control electric telescopic handle 32 output shaft extension, promote pile extractor 1 and remove to the old stake top that needs to be pulled out, then observe the obstacle condition on ground, adjust four step motor 21 respectively, make it drive support frame 23 and rotate to the angle that no obstacle blockked, control electric telescopic handle 32 output shaft shrink again, make support frame 23 and ground contact, observe the contact condition on four support frames 23 and ground, when appearing the clearance, adjust the inside electric lead screw 24 of this support frame 23, make it drive kicking block 26 and slide, and then fill the clearance, make base 12, kicking block 26 and support frame 23 homoenergetic in close contact with.

The technical features that the utility model has not been described can be realized through or adopt prior art, and no longer give unnecessary details here, and of course, the above-mentioned explanation is not right the utility model discloses a restriction, the utility model discloses also not only be limited to the above-mentioned example, ordinary skilled person in this technical field is in the utility model discloses a change, modification, interpolation or replacement made in the essential scope also should belong to the utility model discloses a protection scope.

Claims

1. A stable pile extractor for removing an old pile comprises a pile extractor (1) and is characterized in that the lower surface of the pile extractor (1) is movably connected with an adjusting mechanism (2), and the peripheral wall of the pile extractor (1) is fixedly connected with a moving mechanism (3);

the pile extractor (1) comprises a main machine (11), wherein a base (12) is fixedly connected to the lower surface of the main machine (11), and a hook hole for lifting is formed in the peripheral wall of the main machine (11);

the adjusting mechanism (2) comprises a stepping motor (21), the peripheral wall of an output shaft of the stepping motor (21) is fixedly connected with a guide block (22), and one end, far away from the guide block (22), of the stepping motor (21) is inserted into the base (12) and is fixedly connected with the base (12);

the guide block (22) has cup jointed support frame (23) outward, seted up in support frame (23) with the spout of guide block (22) looks adaptation, the equal fixedly connected with in two surfaces around guide block (22) plug in connect to stopping piece in support frame (23), fixed mounting has electronic lead screw (24) in support frame (23), the output shaft threaded connection of electronic lead screw (24) has screw-nut (25), surface swing joint has kicking block (26) on support frame (23), kicking block (26) with fixedly connected with trace (27) between screw-nut (25).

2. The stable pile extractor as claimed in claim 1, wherein the lower surface of the support frame (23) is parallel to the lower surface of the base (12), the height of the support frame (23) away from the stepping motor (21) is smaller than the height of the support frame (23) close to the stepping motor (21), and the inclination angle of the electric lead screw (24) is equal to the inclination angle of the upper surface of the support frame (23).

3. The stable pile extractor as claimed in claim 1, wherein the top surface of the top block (26) and the bottom surface of the base (12) are located in the same plane, and the width of the top block (26) is equal to the width of the support frame (23).

4. The stable pile extractor as claimed in claim 1, wherein the lower surface of the top block (26) and the upper surface of the support frame (23) are located in the same plane, the length of the top block (26) is smaller than that of the support frame (23), and the length of the top block (26) is larger than that of the electric screw rod (24).

5. The stable pile extractor for removing old piles according to claim 1, wherein the moving mechanism (3) comprises an extension frame (31), the extension frame (31) is fixedly connected with the main machine (11), an end of the extension frame (31) far away from the main machine (11) is fixedly connected with an electric telescopic rod (32), and a moving wheel (33) is fixedly connected to the lower surface of an output shaft of the electric telescopic rod (32).