CN113086825B - Concrete pipe pile hoist device - Google Patents

Concrete pipe pile hoist device Download PDF

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Publication number
CN113086825B
CN113086825B CN202110268982.2A CN202110268982A CN113086825B CN 113086825 B CN113086825 B CN 113086825B CN 202110268982 A CN202110268982 A CN 202110268982A CN 113086825 B CN113086825 B CN 113086825B
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CN
China
Prior art keywords
lifting
support
pipe pile
driving part
frame
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202110268982.2A
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Chinese (zh)
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CN113086825A (en
Inventor
杨东
杨少华
黄海明
范家凤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jianhua Construction Materials Anhui Co ltd
Original Assignee
Jianhua Construction Materials Anhui Co ltd
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Publication date
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Priority to CN202110268982.2A priority Critical patent/CN113086825B/en
Publication of CN113086825A publication Critical patent/CN113086825A/en
Application granted granted Critical
Publication of CN113086825B publication Critical patent/CN113086825B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B66C1/06Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means electromagnetic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H3/00Storage means or arrangements for workshops facilitating access to, or handling of, work tools or instruments
    • B25H3/04Racks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/22Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
    • B66C1/34Crane hooks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00Other constructional features or details
    • B66C13/04Auxiliary devices for controlling movements of suspended loads, or preventing cable slack

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Piles And Underground Anchors (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)

Abstract

The invention discloses a concrete pipe pile lifting device, which relates to the technical field of concrete pipe pile production and comprises the following components: the device comprises a base, rollers, upright posts, a frame, a moving block, a first driving part, a second driving part, a first stay cord and a lifting part, wherein the rollers are arranged at the bottom of the base; the upright post is arranged at the top of the base; the frame is transversely arranged at the upper end of the upright post; the moving block is connected to the frame in a sliding way; the first driving part is arranged on the frame and used for driving the moving block to move back and forth; the second driving part is arranged on the moving block and used for winding and unwinding the first pull rope; the lifting part comprises a cross beam arranged at the bottom of the first stay cord, two groups of second stay cords are arranged on the cross beam, hooks are arranged at the bottoms of the second stay cords, iron blocks are arranged on the hooks, the lifting part further comprises lifting lugs arranged on the tubular pile die, a first support and a second support are respectively arranged on two sides of each lifting lug, and electromagnets are respectively arranged on the first support and the second support. The invention can automatically hook the hook on the lifting lug or remove the hook from the lifting lug, thereby improving the working efficiency.

Description

Concrete pipe pile hoist device
Technical Field
The invention relates to the technical field of concrete pipe pile production, in particular to a concrete pipe pile hoisting device.
Background
After the prestressed concrete pile is centrifugally treated in the mould, the prestressed concrete pile is put into a high-temperature steam curing kiln for high-temperature curing, the temperature in the high-temperature steam curing kiln is up to 50-100 ℃, after the prestressed concrete pile is subjected to high-temperature curing in the mould, a kiln cover is required to be lifted for cooling treatment, after the cooling treatment is carried out for about 2 hours, the temperature in the kiln is reduced to below 50 ℃, and then the mould with the prestressed concrete pile is lifted from the high-temperature steam curing kiln and is put on a field outside the kiln for demoulding. The common hoisting method is that two hoisting rings are respectively arranged on two sides of two ends of a die, two hoisting hooks are respectively arranged on two hoisting chains of a hoisting crane, when in operation, an operator enters into a high-temperature steam curing kiln by means of a ladder, the hoisting hooks are respectively hooked with the two hoisting rings at two ends of the die, and then the hoisting crane is used for hoisting the die out of the high-temperature steam curing kiln, so that a worker can have a great potential safety hazard when operating the hoisting crane to hook the hoisting rings, the labor force of the worker is greatly increased, the working efficiency is reduced, and great inconvenience is brought to the user.
Disclosure of Invention
In view of the above, the present invention aims to provide a concrete pipe pile hoisting device for improving the working efficiency of hoisting.
Based on the above object, the present invention provides a concrete pipe pile hoisting device, comprising:
The device comprises a base, rollers, upright posts, a frame, a moving block, a first driving part, a second driving part, a first pull rope and a lifting part, wherein,
The roller is arranged at the bottom of the base;
the upright post is arranged at the top of the base;
The frame is transversely arranged at the upper end of the upright post;
The moving block is connected to the frame in a sliding manner;
The first driving part is arranged on the frame and used for driving the moving block to move back and forth;
The second driving part is arranged on the moving block and used for winding and unwinding the first pull rope;
The lifting part comprises a cross beam arranged at the bottom of the first stay cord, two groups of second stay cords are arranged on the cross beam, hooks are arranged at the bottoms of the second stay cords, iron blocks are arranged on the hooks, lifting lugs arranged on the tubular pile die are further arranged on the lifting part, a first support and a second support are respectively arranged on two sides of each lifting lug, and electromagnets are respectively arranged on the first support and the second support.
Optionally, the first driving part includes a first motor, be equipped with the lead screw on the axis of rotation of first motor, the lead screw rotates to be connected on the frame, the movable block with lead screw threaded connection.
Optionally, the second driving part comprises a second motor, a winding roller is arranged on a rotating shaft of the second motor, and the winding roller is used for winding and unwinding the first pull rope.
Optionally, an adjusting part is arranged on the cross beam and is used for adjusting the distance between the two second pull ropes.
Optionally, the adjusting part includes the cylinder, be equipped with the slider on the telescopic shaft of cylinder, slider sliding connection is in on the crossbeam, second stay cord fixed connection is in the bottom of slider.
Optionally, the hoisting device comprises a storage part, and the storage part is used for storing the tubular pile die.
Optionally, the storage part is in including sliding connection the backup pad on the stand, the top of backup pad with the top of base all is equipped with the support frame, the support frame is used for placing the tubular pile mould, the top of backup pad has the dogtooth, the dogtooth meshing has the gear, gear drive is connected with the third motor, all be equipped with a plurality of protection frames in the backup pad and on the base.
When the pipe pile die is lifted from the high-temperature steam curing kiln by the device, the moving block is moved to the upper part of the curing kiln through the first driving part, the second pull rope is lowered through the second driving part until the hook reaches the lifting lug, then the electromagnet on the second support is controlled to be electrified, the electromagnet attracts the iron block, so that the hook penetrates through the lifting lug, then the first pull rope is controlled to shrink through the second driving part, the cross beam is enabled to move upwards, the hook is enabled to hang the lifting lug, the pipe pile die is driven to move upwards, then the pipe pile die is moved out of the curing kiln through the first driving part, the electromagnet on the first support is electrified after the pipe pile die is placed at a specified position, the electromagnet on the second support is powered off, and the hook is moved out of the lifting lug.
According to the device, the hook can be automatically hung on or moved out of the lifting lug, the working efficiency of lifting is improved, and meanwhile, the labor intensity of staff is low.
Drawings
For a clearer description of one or more embodiments of the present description or of the solutions of the prior art, the drawings that are necessary for the description of the embodiments or of the prior art will be briefly described, it being apparent that the drawings in the description below are only one or more embodiments of the present description, from which other drawings can be obtained, without inventive effort, for a person skilled in the art.
FIG. 1 is a schematic structural view of a hoisting device according to an embodiment of the present invention;
FIG. 2 is a top view of the frame of FIG. 1;
FIG. 3 is a side view of the cross beam of FIG. 1;
Fig. 4 is an enlarged view at a in fig. 3.
Detailed Description
For the purposes of promoting an understanding of the principles and advantages of the disclosure, reference will now be made in detail to the following specific examples.
It is noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present disclosure should be taken in a general sense as understood by one of ordinary skill in the art to which the present disclosure pertains. The use of the terms "first," "second," and the like in one or more embodiments of the present description does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
The embodiment of the invention provides a concrete pipe pile lifting device. As shown in fig. 1 to 4, a concrete pipe pile lifting device includes: the base 1, the roller 11, the upright post 12, the frame 13, the moving block 14, the first driving part, the second driving part, the first stay 15 and the lifting part, wherein,
The roller 11 is arranged at the bottom of the base 1;
The upright post 12 is arranged on the top of the base 1;
the frame 13 is transversely arranged at the upper end of the upright post 12;
the moving block 14 is slidably connected to the frame 13;
the first driving part is arranged on the frame 13 and is used for driving the moving block 14 to move back and forth;
The second driving part is arranged on the moving block 14 and is used for winding and unwinding the first pull rope 15;
The lifting part comprises a beam 21 arranged at the bottom of the first pull rope 15, two groups of second pull ropes 22 are arranged on the beam 21, hooks 23 are arranged at the bottoms of the second pull ropes 22, iron blocks 24 are arranged on the hooks 23, the lifting part further comprises lifting lugs 25 arranged on the tubular pile die 7, a first support 26 and a second support 27 are respectively arranged on two sides of the lifting lugs 25, and electromagnets 28 are respectively arranged on the first support 26 and the second support 27.
When the pipe pile die 7 is lifted from the high-temperature steam curing kiln by using the device, the moving block 14 is moved to the upper part of the curing kiln through the first driving part, the second pull rope 22 is lowered through the second driving part until the hook 23 reaches the lifting lug 25, then the electromagnet 28 on the second bracket 27 is controlled to be electrified, the electromagnet 28 attracts the iron block 24 at the moment, so that the hook 23 passes through the lifting lug 25, then the first pull rope 15 is controlled to shrink through the second driving part, the cross beam 21 is enabled to move upwards, so that the hook 23 is hung on the lifting lug 25, the pipe pile die 7 is further driven to move upwards, then the pipe pile die 7 is moved out of the curing kiln through the first driving part, after the pipe pile die 7 is placed at a specified position, the electromagnet 28 on the first bracket 26 is electrified, the electromagnet 28 on the second bracket 27 is powered off, and at the moment, the hook 23 is moved out of the lifting lug 25.
According to the device, the hanging hook 23 can be automatically hung on the lifting lug 25 or moved out of the lifting lug 25, so that the working efficiency of lifting is improved, and meanwhile, the labor intensity of staff is reduced.
In some embodiments, the first driving part includes a first motor 31, a screw rod 32 is disposed on a rotating shaft of the first motor 31, the screw rod 32 is rotatably connected to the frame 13, and the moving block 14 is in threaded connection with the screw rod 32. When the movable block is in operation, the first motor 31 rotates to drive the screw rod 32 to rotate, and the screw rod 32 drives the movable block 14 to move on the frame 13, so that the cross beam 21 is driven to move in the horizontal direction.
In some embodiments, the second driving part includes a second motor, a winding roller 4 is disposed on a rotating shaft of the second motor, and the winding roller 4 is used for winding and unwinding the first pull rope 15. The first pull rope 15 is retracted by the rotation of the second motor, and the beam 21 is driven to ascend or descend.
In some embodiments, the beam 21 is provided with an adjusting portion, and the adjusting portion is used for adjusting the distance between the two second pull ropes 22. So can hoist and mount the tubular pile mould 7 of different specification sizes.
Optionally, the adjusting part includes a cylinder 51, a sliding block 52 is provided on a telescopic shaft of the cylinder 51, the sliding block 52 is slidably connected to the cross beam 21, and the second pull rope 22 is fixedly connected to the bottom of the sliding block 52. The air cylinder 51 pushes the sliding block 52 to move, so that the distance between the two second pull ropes 22 is changed, and the hoisting requirements of the tubular pile die 7 with different specifications and sizes are met.
The current hoisting process usually hoists one pipe pile die 7, then moves to a remote demoulding station for laying down, and then returns to hoist the other pipe pile die 7, so moving around, the efficiency is low and in order to solve this problem, in some embodiments, the lifting device comprises a storage part for storing the pipe pile mould 7.
In some embodiments, the storage part comprises a support plate 61 slidingly connected to the upright 12, the top of the support plate 61 and the top of the base 1 are both provided with a support frame 62, the support frame 62 is used for placing the pipe pile die 7, the top of the support plate 61 is provided with convex teeth, the convex teeth are meshed with a gear 63, the gear 63 is in transmission connection with a third motor, and a plurality of protection frames 64 are arranged on the support plate 61 and the base 1.
When the pipe pile mould 7 is in operation, the pipe pile mould 7 can be firstly lifted and placed on the support frame 62 on the base 1 through the lifting part, after the support frame 62 on the base 1 is fully filled with the pipe pile mould 7, the gear 63 is driven by the third motor to rotate, the gear 63 drives the support plate 61 to move to the lower layer protection frame 64, then the pipe pile mould 7 is moved to the support frame 62 on the support plate 61, and the pipe pile mould is transported away once after being filled.
From the above, the device can transport a plurality of pipe pile dies 7 at one time, thereby reducing the times of back and forth movement and further improving the working efficiency of hoisting.
The present disclosure is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Any omissions, modifications, equivalents, improvements, and the like, which are within the spirit and principles of the one or more embodiments of the disclosure, are therefore intended to be included within the scope of the disclosure.

Claims (7)

1. A concrete pipe pile hoist device, characterized by comprising: the device comprises a base, rollers, upright posts, a frame, a moving block, a first driving part, a second driving part, a first pull rope and a lifting part, wherein,
The roller is arranged at the bottom of the base;
the upright post is arranged at the top of the base;
The frame is transversely arranged at the upper end of the upright post;
The moving block is connected to the frame in a sliding manner;
The first driving part is arranged on the frame and used for driving the moving block to move back and forth;
The second driving part is arranged on the moving block and used for winding and unwinding the first pull rope;
the lifting part comprises a cross beam arranged at the bottom of the first pull rope, two groups of second pull ropes are arranged on the cross beam, hooks are arranged at the bottoms of the second pull ropes, iron blocks are arranged on the hooks, the lifting part also comprises lifting lugs arranged on the tubular pile die, a first support and a second support are respectively arranged at two sides of each lifting lug, and electromagnets are arranged on the first support and the second support;
The movable block is moved to the upper part of the kiln protection through the first driving part, the second pull rope is lowered through the second driving part until the hook reaches the lifting lug, then the electromagnet on the second support is controlled to be electrified, the electromagnet attracts the iron block, so that the hook penetrates through the lifting lug, then the first pull rope is controlled to shrink through the second driving part, the cross beam moves upwards, so that the hook is hung on the lifting lug, further the tubular pile mould is driven to move upwards, then the tubular pile mould is moved out of the kiln protection through the first driving part, the electromagnet on the first support is electrified after the tubular pile mould is placed at a designated position, the electromagnet on the second support is powered off, and the hook is moved out of the lifting lug.
2. The concrete pipe pile hoisting device according to claim 1, wherein the first driving part comprises a first motor, a screw rod is arranged on a rotating shaft of the first motor, the screw rod is rotatably connected to the frame, and the moving block is in threaded connection with the screw rod.
3. The concrete pipe pile hoisting device according to claim 1, wherein the second driving part comprises a second motor, a winding roller is arranged on a rotating shaft of the second motor, and the winding roller is used for winding and unwinding a first pull rope.
4. The concrete pipe pile hoisting device according to claim 1, wherein the cross beam is provided with an adjusting part, and the adjusting part is used for adjusting the distance between the two second pull ropes.
5. The concrete pipe pile lifting device according to claim 4, wherein the adjusting part comprises a cylinder, a sliding block is arranged on a telescopic shaft of the cylinder, the sliding block is slidably connected to the cross beam, and the second pull rope is fixedly connected to the bottom of the sliding block.
6. A concrete pipe pile lifting device according to claim 1, wherein the lifting device comprises a storage portion for storing a pipe pile mould.
7. The concrete pipe pile lifting device according to claim 6, wherein the storage part comprises a support plate which is connected to the upright in a sliding manner, the top of the support plate and the top of the base are both provided with support frames, the support frames are used for placing pipe pile molds, the top of the support plate is provided with convex teeth, the convex teeth are meshed with gears, the gear transmission is connected with a third motor, and a plurality of protection frames are arranged on the support plate and the base.
CN202110268982.2A 2021-03-12 2021-03-12 Concrete pipe pile hoist device Active CN113086825B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110268982.2A CN113086825B (en) 2021-03-12 2021-03-12 Concrete pipe pile hoist device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110268982.2A CN113086825B (en) 2021-03-12 2021-03-12 Concrete pipe pile hoist device

Publications (2)

Publication Number Publication Date
CN113086825A CN113086825A (en) 2021-07-09
CN113086825B true CN113086825B (en) 2024-08-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106395610A (en) * 2016-06-23 2017-02-15 合肥市神雕起重机械有限公司 Hook set convenient to adjust
CN208103748U (en) * 2018-03-16 2018-11-16 浙江大学苏州工业技术研究院 An underwater dredging operation vehicle with an emergency hoisting system
CN108909951A (en) * 2018-07-19 2018-11-30 芜湖籁余新能源科技有限公司 A kind of sliding platform for rig a ship tubular pole
CN209815481U (en) * 2019-01-18 2019-12-20 甘肃机电职业技术学院(甘肃省机械工业学校、甘肃省机械高级技工学校) Electromechanical device maintenance hoist and mount frame

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE483954A (en) * 1947-07-14
US4044894A (en) * 1976-05-25 1977-08-30 Walker Magnetics Group, Inc. Load tilting magnetic lift
FR2673443B1 (en) * 1991-03-01 1993-08-13 Chatenoud Gilles CROSSLINKED HANGER, ESPECIALLY FOR SUPPORTING A ROCKY EXCAVATION.
JP2002234686A (en) * 2001-02-08 2002-08-23 Nkk Corp Hook for lifting attachment
US20040238466A1 (en) * 2003-06-02 2004-12-02 Hsuan-Sen Shiao Magnetic tool holder
CN204079250U (en) * 2014-09-04 2015-01-07 天津市飞马起重吊索具有限公司 There is the lifting hook special for steel tube of adsorption plant
CN104649153B (en) * 2015-02-16 2016-08-24 周良操 The loader of oil drum and casing can be hung
CN104891351A (en) * 2015-05-08 2015-09-09 江苏通达动力科技股份有限公司 Rotary-type workpiece hoisting apparatus
CN205499766U (en) * 2016-03-31 2016-08-24 浙江诚康钢管有限公司 Concrete pipe pile stacks device
CN208603600U (en) * 2018-07-17 2019-03-15 合肥迅达电器有限公司 A kind of bridge crane of double-hung
CN210001431U (en) * 2019-03-15 2020-01-31 江苏泰林建设有限公司 anti-slip tubular pile die carrying device
CN210340156U (en) * 2019-06-14 2020-04-17 阜阳市双顺预制构件有限公司 Concrete precast culvert is with hoist device
CN210735993U (en) * 2019-09-18 2020-06-12 安徽三诚管桩有限公司 Tubular pile is put in and is used hoisting accessory

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106395610A (en) * 2016-06-23 2017-02-15 合肥市神雕起重机械有限公司 Hook set convenient to adjust
CN208103748U (en) * 2018-03-16 2018-11-16 浙江大学苏州工业技术研究院 An underwater dredging operation vehicle with an emergency hoisting system
CN108909951A (en) * 2018-07-19 2018-11-30 芜湖籁余新能源科技有限公司 A kind of sliding platform for rig a ship tubular pole
CN209815481U (en) * 2019-01-18 2019-12-20 甘肃机电职业技术学院(甘肃省机械工业学校、甘肃省机械高级技工学校) Electromechanical device maintenance hoist and mount frame

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