CN112108891B - Double-layer tensioning and positioning mechanism for cutting waste pile pipe - Google Patents

Double-layer tensioning and positioning mechanism for cutting waste pile pipe Download PDF

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Publication number
CN112108891B
CN112108891B CN202011032763.6A CN202011032763A CN112108891B CN 112108891 B CN112108891 B CN 112108891B CN 202011032763 A CN202011032763 A CN 202011032763A CN 112108891 B CN112108891 B CN 112108891B
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China
Prior art keywords
gear
tightening
positioning mechanism
guide
disc
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Expired - Fee Related
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CN202011032763.6A
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Chinese (zh)
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CN112108891A (en
Inventor
任国柱
王春海
赵陆民
王喆
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North China Institute of Aerospace Engineering
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North China Institute of Aerospace Engineering
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Priority to CN202011032763.6A priority Critical patent/CN112108891B/en
Publication of CN112108891A publication Critical patent/CN112108891A/en
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Publication of CN112108891B publication Critical patent/CN112108891B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25Movable or adjustable work or tool supports
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q9/00Arrangements for supporting or guiding portable metal-working machines or apparatus
    • B23Q9/02Arrangements for supporting or guiding portable metal-working machines or apparatus for securing machines or apparatus to workpieces, or other parts, of particular shape, e.g. to beams of particular cross-section

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention discloses a double-layer tightening positioning mechanism for cutting a waste pile pipe, which comprises a central shaft, wherein the end part of the central shaft is provided with symmetrically arranged tightening positioning mechanisms, the two tightening positioning mechanisms are in power connection through a transmission assembly, and one of the tightening positioning mechanisms is provided with a driving assembly. The invention has compact structure, convenient operation, double-layer tightening and positioning mechanism, good supporting and positioning performance and strong practicability.

Description

Double-layer tensioning and positioning mechanism for cutting waste pile pipe
Technical Field
The invention relates to the field of ocean engineering, in particular to a double-layer tightening positioning mechanism for cutting a waste pile pipe.
Background
In the prior art, a pile pipe is mostly dismantled by adopting a method of cutting in the pile pipe, and the cutting device is required to be tightly supported on the inner wall of the pile pipe through a positioning mechanism after entering the interior of the pile pipe so as to complete a rotary cutting task, so that the effectiveness of the support of the positioning mechanism directly influences whether the cutting device can complete the cutting task.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a tightening positioning mechanism capable of realizing the cutting and dismantling operation in an offshore pile pipe.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to a double-layer tightening positioning mechanism for cutting a waste pile pipe, which comprises a central shaft, wherein the end part of the central shaft is provided with symmetrically arranged tightening positioning mechanisms, the two tightening positioning mechanisms are in power connection through a transmission assembly, and one of the tightening positioning mechanisms is provided with a driving assembly;
the tightening positioning mechanism comprises a first connecting disc and a second connecting disc which are arranged on the central shaft at intervals, and a rotary disc which is rotatably connected with the central shaft, wherein a guide part is arranged on the inner end surface of the first connecting disc, and a plurality of sliding grooves are uniformly distributed on the guide part in an annular manner; the rotary table is positioned between the first connecting disc and the second connecting disc, a plurality of arc-shaped guide holes are uniformly distributed on the rotary table in an annular manner, guide posts are arranged in the arc-shaped guide holes, shaft shoulders of the guide posts abut against the end face of the rotary table, guide blocks are arranged on the guide posts, the guide blocks are connected in the corresponding sliding grooves in a sliding manner, and tightening components for tightening the inner wall of a pile pipe are arranged on the outer end face of each guide block;
the transmission assembly comprises power transmission shafts, two ends of each power transmission shaft are connected with corresponding gear shafts through couplers, each gear shaft is connected to the corresponding second connecting disc, each gear shaft is provided with a first gear, one side of each first gear is meshed with a second gear, one second gear is coaxially connected with the turntable, and the other second gear is in power connection with the driving assembly;
the driving assembly comprises a speed reducing motor arranged on the second connecting disc, a third gear is arranged at the power output end of the speed reducing motor, the third gear is meshed with a fourth gear on one side, and the upper end face and the lower end face of the fourth gear are respectively connected with the second gear and the rotary disc coaxially.
Further, the guide is established including the cover the epaxial ring dish of center pin, the equipartition has a plurality of deflectors on the ring dish, the spout sets up along length direction the bottom surface of deflector.
Furthermore, the circumferential wall at the end part of the central shaft is connected with a first connecting sleeve through a bolt, the circular ring disc and the first connecting disc are connected with the first connecting sleeve through bolts, and the inner end of the first connecting sleeve abuts against the rotary disc;
two parts of center pin are fixed with and keep off the ring, the second connection pad passes through bolted connection and is in keep off on the ring, the cover is equipped with copper second adapter sleeve on the center pin, second adapter sleeve outer end supports in the reserve groove of second connection pad terminal surface, second adapter sleeve inner is in the center reserve groove of carousel terminal surface.
Further, prop tight subassembly including connecting branch on the guide block, be provided with on the branch and prop tight first bush, it props tight head to prop to be provided with on the tight first bush, prop and tightly hold the head and prop the face outward and be the cambered surface.
Furthermore, the outer end of the supporting rod is provided with a first threaded hole, and the first threaded hole is connected with a lengthened ejector head through threads.
Furthermore, a second threaded hole is formed in the outer end face of the guide block, and the inner end of the supporting rod is connected into the second threaded hole through threads.
Furthermore, a ridge groove convenient for the wrench to twist is arranged on the supporting rod.
Furthermore, a plurality of reinforcing connecting rods are arranged between the two second connecting discs.
Compared with the prior art, the invention has the beneficial technical effects that:
the invention relates to a double-layer tightening positioning mechanism for cutting a waste pile pipe, wherein a gear motor drives a meshed third gear and a meshed fourth gear to transmit power to a rotary table, the rotary table rotates and simultaneously stirs a guide post through an arc-shaped guide hole to act, the guide post drives a feeding guide block to slide outwards in a sliding groove, so that an outer supporting surface of a tightening head is abutted against the inner wall of the pile pipe; the invention has compact structure, convenient operation, double-layer tightening and positioning mechanism, good supporting and positioning performance and strong practicability.
Drawings
The invention is further illustrated in the following description with reference to the drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic connection diagram of the upper tensioning and positioning mechanism, the transmission assembly and the driving assembly;
FIG. 3 is a schematic view of the connection between the lower tensioning and positioning mechanism and the transmission assembly;
FIG. 4 is a cross-sectional view of the upper tensioning positioning mechanism;
FIG. 5 is a cross-sectional view of the lower tensioning positioning mechanism;
FIG. 6 is a schematic structural view of the turntable;
FIG. 7 is a schematic structural view of a guide post and a guide block;
FIG. 8 is a schematic view of the structure of the guide member
FIG. 9 is a schematic view of the structure of the central shaft;
FIG. 10 is a schematic view of a first coupling sleeve;
FIG. 11 is a schematic view of the tightening assembly;
FIG. 12 is a schematic structural view of a strut;
FIG. 13 is a schematic view of the structure of the tension head bushing;
FIG. 14 is a schematic view of the tensioning head;
fig. 15 is a schematic structural view of the extended plug.
Description of reference numerals: 1. a central shaft; 101. a baffle ring; 2. tightening the positioning mechanism; 201. a first splice tray; 202. a second connecting disc; 203. a guide member; 203-1, a circular ring disc; 203-2, a guide plate; 204. a chute; 205. a turntable; 205-1, arc guide holes; 206. a guide post; 207. a guide block; 207-1, a second threaded hole; 3. a transmission assembly; 301. a power transmission shaft; 302. a coupling; 303. a gear shaft; 304. A first gear; 305. a second gear; 4. a drive assembly; 401. a reduction motor; 402. a third gear; 403. a fourth gear; 5. a tightening assembly; 501. a strut; 501-1, a first threaded hole; 501-2, a ridge groove; 502. tightening the head bushing; 503. a tensioning head; 6. a first connecting sleeve; 7. a second connecting sleeve; 8. lengthening the ejector head; 9. the connecting rod is reinforced.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in figure 1, the double-layer tightening positioning mechanism for cutting the waste pile pipe comprises a central shaft 1, wherein the end part of the central shaft 1 is provided with tightening positioning mechanisms 2 which are symmetrically arranged, the two tightening positioning mechanisms 2 are in power connection through a transmission assembly 3, and one of the tightening positioning mechanisms 2 is provided with a driving assembly 4.
As shown in fig. 2 to 7, the tightening positioning mechanism 2 includes a first connecting plate 201 and a second connecting plate 202 that are arranged on the central shaft 1 at intervals, and a rotating plate 205 that is rotatably connected to the central shaft 1, wherein a guide 203 is arranged on an inner end surface of the first connecting plate 201, and a plurality of sliding grooves 204 are annularly and uniformly distributed on the guide 203. The rotary table 205 is positioned between the first connecting disc 201 and the second connecting disc 202, a plurality of arc-shaped guide holes 205-1 are uniformly distributed on the rotary table 205 in an annular manner, guide posts 206 are arranged in the arc-shaped guide holes 205-1, shaft shoulders of the guide posts 206 are abutted against the end surface of the rotary table 205, guide blocks 207 are arranged on the guide posts 206, the guide posts 206 and the guide blocks 207 are of an integrated structure, the guide blocks 207 are slidably connected in the corresponding sliding grooves 204, and the outer end surfaces of the guide blocks 207 are provided with tightening components 5 for tightening the inner wall of a pile tube. In order to reinforce the overall structural strength, a plurality of reinforcing links 9 are provided between the two second connecting discs 202. Both ends of the reinforcing link 9 are bolted to the second connection plate 202.
As shown in fig. 2 and 3, the transmission assembly 3 includes a power transmission shaft 301, two ends of the power transmission shaft 301 are connected to corresponding gear shafts 303 through couplers 302, each gear shaft 303 is connected to a corresponding second connecting plate 202, and a first gear 304 is arranged on each gear shaft 303, one side of the first gear 304 is engaged with a second gear 305, one second gear 305 is coaxially connected with the rotating plate 205, and the other second gear 305 is in power connection with the driving assembly 4.
As shown in fig. 2, in this embodiment, the drive assembly 4 is mounted on the upper cinch positioning mechanism 2. The driving assembly 4 comprises a speed reducing motor 401 mounted on the second connecting disc 202, a power output end of the speed reducing motor 401 is provided with a third gear 402, the third gear 402 is meshed with a fourth gear 403 on one side, the upper end face and the lower end face of the fourth gear 403 are coaxially connected with the second gear 305 and the rotating disc 205 respectively, and the fourth gear 403, the second gear 305 and the rotating disc 205 are fixed together through bolts.
As shown in fig. 8, the guiding element 203 comprises a circular disc 203-1 sleeved on the central shaft 1, a plurality of bolt holes are arranged on the circular disc 203-1, a plurality of guiding plates 203-2 are uniformly distributed on the circular disc 203-1, and the sliding groove 204 is arranged on the bottom surface of the guiding plate 203-2 along the length direction. In the present embodiment, three sliding grooves 204 and three arc-shaped guide holes 205-1 are provided.
As shown in fig. 4, 5, 9 and 10, the end circumferential wall of the central shaft 1 is connected with the first connecting sleeve 6 through bolts, the circular disc 203-1 and the first connecting disc 201 are connected with the first connecting sleeve 6 through bolts, and the inner end of the first connecting sleeve 6 abuts against the rotating disc 205.
Two parts of the central shaft 1 are welded with the baffle rings 101, the second connecting disc 202 is connected to the baffle rings 101 through bolts, the central shaft 1 is sleeved with a copper second connecting sleeve 7, the outer end of the second connecting sleeve 7 is propped against a reserved groove on the end face of the second connecting disc 202, and the inner end of the second connecting sleeve 7 is arranged in a reserved groove in the center of the end face of the turntable 205. It should be noted that the second connecting sleeve 7 located on the upper portion of the central shaft 1 needs to sequentially penetrate through the second gear 305 and the fourth gear 403; the second connecting sleeve 7 located below the central shaft 1 only needs to penetrate the second gear 305.
As shown in fig. 5 to 14, the tightening assembly 5 includes a support rod 501 connected to the guide block 207, a tightening head bushing 502 is disposed on the support rod 501, a tightening head 503 is disposed on the tightening head bushing 502, and an outer support surface of the tightening head 503 is an arc surface. The tension head bushing 502 and the tension head 503 are mounted together by bolts. The tightening head bushing 502 is sleeved on the support rod 501 through interference fit and abuts against a shaft shoulder of the support rod 501 for axially limiting the tightening head bushing 502.
As shown in fig. 7 and 12, in order to facilitate the connection of the strut 501 with the guide block 207, a second threaded hole 207-1 is provided on the outer end surface of the guide block 207, and the inner end of the strut 501 is screwed into the second threaded hole 207-1. In order to facilitate the turning of the supporting rod 501, the supporting rod 501 is provided with a ridge groove 501-2 which facilitates the turning of a wrench.
As shown in fig. 11, 12 and 15, in order to adapt to a pile pipe with a larger pipe diameter, the outer end of the supporting rod 501 is provided with a first threaded hole 501-1, and the first threaded hole 501-1 is connected with the lengthening plug 8 through threads. The extension length of the extension plug 8 can be adjusted by rotating the extension plug 8.
The action process of the invention is as follows:
the speed reducing motor 401 transmits power to the rotating disc 205 through the meshed third gear 402 and fourth gear 403, the rotating disc 205 simultaneously stirs the guide post 206 through the arc-shaped guide hole 205-1 to move, the guide post 206 drives the feeding guide block 207 to slide outwards in the sliding groove 204, and the outer supporting surfaces of the three supporting heads 503 are abutted against the inner wall of the pile tube.
Because the fourth gear 403, the second gear 305 and the turntable 205 are fixed together by bolts, the fourth gear 403 drives the second gear 305 to rotate while rotating, the second gear 305 transmits power to the lower first gear 304 through the power transmission shaft 301 through the meshed first gear 304, and then the lower second gear 305 drives the lower turntable 205 to rotate, and the rotating motion of the turntable 205 drives the lower three tensioning heads 503 to complete the supporting action.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims (8)

1. The utility model provides a double-deck positioning mechanism that struts for abandonment stake pipe cutting which characterized in that: the device comprises a central shaft (1), wherein the end part of the central shaft (1) is provided with symmetrically arranged tightening positioning mechanisms (2), the two tightening positioning mechanisms (2) are in power connection through a transmission assembly (3), and one tightening positioning mechanism (2) is provided with a driving assembly (4);
the tightening positioning mechanism (2) comprises a first connecting disc (201) and a second connecting disc (202) which are arranged on the central shaft (1) at intervals, and a rotary disc (205) which is rotatably connected to the central shaft (1), wherein a guide piece (203) is arranged on the inner end surface of the first connecting disc (201), and a plurality of sliding grooves (204) are uniformly distributed on the guide piece (203) in an annular shape; the rotary table (205) is positioned between the first connecting disc (201) and the second connecting disc (202), a plurality of arc-shaped guide holes (205-1) are uniformly distributed on the rotary table (205) in an annular manner, guide columns (206) are arranged in each arc-shaped guide hole (205-1), shaft shoulders of the guide columns (206) are abutted against the end face of the rotary table (205), guide blocks (207) are arranged on each guide column (206), the guide blocks (207) are connected in the corresponding sliding grooves (204) in a sliding manner, and tightening components (5) for tightening the inner wall of a pile pipe are arranged on the outer end face of each guide block (207);
the transmission assembly (3) comprises power transmission shafts (301), two ends of each power transmission shaft (301) are connected with corresponding gear shafts (303) through couplers (302), each gear shaft (303) is connected to the corresponding second connecting disc (202), each gear shaft (303) is provided with a first gear (304), one side of each first gear (304) is meshed with a second gear (305), one second gear (305) is coaxially connected with the rotating disc (205), and the other second gear (305) is in power connection with the driving assembly (4);
the driving assembly (4) comprises a speed reducing motor (401) installed on the second connecting disc (202), a third gear (402) is arranged at the power output end of the speed reducing motor (401), the third gear (402) is meshed with a fourth gear (403) on one side, and the upper end face and the lower end face of the fourth gear (403) are coaxially connected with the second gear (305) and the rotating disc (205) respectively.
2. The double-layer tightening and positioning mechanism for cutting the waste pile tube according to claim 1, characterized in that: the guide piece (203) comprises a circular ring disc (203-1) sleeved on the central shaft (1), a plurality of guide plates (203-2) are uniformly distributed on the circular ring disc (203-1), and the sliding groove (204) is arranged on the bottom surface of each guide plate (203-2) along the length direction.
3. The double-layer tightening and positioning mechanism for cutting the waste pile tube as claimed in claim 2, wherein: the end circumferential wall of the central shaft (1) is connected with a first connecting sleeve (6) through bolts, the circular ring disc (203-1) and the first connecting disc (201) are connected with the first connecting sleeve (6) through bolts, and the inner end of the first connecting sleeve (6) abuts against the rotary disc (205);
the both ends symmetry of center pin (1) is fixed with keeps off ring (101), second connection pad (202) pass through bolted connection and are in keep off on the ring (101), the cover is equipped with second adapter sleeve (7) of copper on center pin (1), second adapter sleeve (7) outer end supports in the reserve tank of second connection pad (202) terminal surface, second adapter sleeve (7) inner is in the center reserve tank of carousel (205) terminal surface.
4. The double-layer tightening and positioning mechanism for cutting the waste pile tube according to claim 1, characterized in that: prop tight subassembly (5) including connecting branch (501) on guide block (207), be provided with on branch (501) and prop tight first bush (502), it props tight first (503) to be provided with on tight first bush (502) to prop, prop tight first (503) outer holding surface and be the cambered surface.
5. The double-layer tightening and positioning mechanism for cutting the waste pile tube as claimed in claim 4, wherein: the outer end of the supporting rod (501) is provided with a first threaded hole (501-1), and the first threaded hole (501-1) is connected with a lengthened top (8) through threads.
6. The double-layer tightening and positioning mechanism for cutting the waste pile tube as claimed in claim 4, wherein: the outer end face of the guide block (207) is provided with a second threaded hole (207-1), and the inner end of the support rod (501) is connected in the second threaded hole (207-1) through threads.
7. The double-layer tightening and positioning mechanism for cutting the waste pile tube as claimed in claim 6, wherein: the supporting rod (501) is provided with a prismatic groove (501-2) which is convenient for a wrench to twist.
8. The double-layer tightening and positioning mechanism for cutting the waste pile tube according to claim 1, characterized in that: a plurality of reinforcing connecting rods (9) are arranged between the two second connecting discs (202).
CN202011032763.6A 2020-09-27 2020-09-27 Double-layer tensioning and positioning mechanism for cutting waste pile pipe Expired - Fee Related CN112108891B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011032763.6A CN112108891B (en) 2020-09-27 2020-09-27 Double-layer tensioning and positioning mechanism for cutting waste pile pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011032763.6A CN112108891B (en) 2020-09-27 2020-09-27 Double-layer tensioning and positioning mechanism for cutting waste pile pipe

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CN112108891A CN112108891A (en) 2020-12-22
CN112108891B true CN112108891B (en) 2021-10-26

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735460A (en) * 1971-02-18 1973-05-29 Gildemeister Werkzeugmasch Bearing, centering and indexing means for the spindle carriers of multiple spindle machines
CN201353706Y (en) * 2009-02-18 2009-12-02 宁波凯荣船用机械有限公司 Center adjusting type inner support structure
CN104785833A (en) * 2015-03-24 2015-07-22 浙江澳太机械制造有限公司 Internal-swelling pipe beveling machine
CN207873660U (en) * 2017-12-28 2018-09-18 资阳晨风机电有限公司 A kind of pipe fitting turning attachment
CN109676479A (en) * 2019-01-21 2019-04-26 罗智芸 A kind of metal grinding device of intelligent electric automation control

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3735460A (en) * 1971-02-18 1973-05-29 Gildemeister Werkzeugmasch Bearing, centering and indexing means for the spindle carriers of multiple spindle machines
CN201353706Y (en) * 2009-02-18 2009-12-02 宁波凯荣船用机械有限公司 Center adjusting type inner support structure
CN104785833A (en) * 2015-03-24 2015-07-22 浙江澳太机械制造有限公司 Internal-swelling pipe beveling machine
CN207873660U (en) * 2017-12-28 2018-09-18 资阳晨风机电有限公司 A kind of pipe fitting turning attachment
CN109676479A (en) * 2019-01-21 2019-04-26 罗智芸 A kind of metal grinding device of intelligent electric automation control

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