CN114412505A - Pipe piece dismantling machine and method - Google Patents
Pipe piece dismantling machine and method Download PDFInfo
- Publication number
- CN114412505A CN114412505A CN202111673705.6A CN202111673705A CN114412505A CN 114412505 A CN114412505 A CN 114412505A CN 202111673705 A CN202111673705 A CN 202111673705A CN 114412505 A CN114412505 A CN 114412505A
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- China
- Prior art keywords
- power arm
- frame
- target segment
- segment
- arc
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
Abstract
The invention provides a pipe sheet dismantling machine and a dismantling method thereof, wherein the dismantling machine comprises: the device comprises a duct piece support frame, a power arm, a rotating chassis and a rail car; wherein, the segment support frame is provided with an arc frame plate; the arc frame plate is provided with a stud for fixing a target segment; the power arms comprise long power arms and short power arms, and the upper ends of the power arms are respectively and rotatably connected to the end parts of the inner side and the outer side of the bottom of the segment support frame; the lower end of the long power arm is rotationally connected with the rotating chassis; the lower end of the short power arm is connected with the rotating chassis; the rotating chassis carries a power arm, is arranged on a frame of the rail car and can rotate relative to the frame. According to the pipe piece dismantling machine and the dismantling method provided by the invention, aiming at the pipe piece at a specific position, the specific pipe piece is quickly dismantled by utilizing the vertical space, the surrounding environment is not damaged, the dismantling accuracy is improved, the construction time is saved, and the operation efficiency is improved.
Description
Technical Field
The invention relates to the field of underground constructional engineering structures, in particular to a pipe sheet dismantling machine and a dismantling method.
Background
With the development of the shield technology, a large number of segments can be used in the construction process of a tunnel or an underground station, and when the segments at specific positions need to be removed, under the condition of not damaging the surrounding environment and a structural building, how to rapidly remove the specific segments becomes a difficult problem.
Disclosure of Invention
In order to solve the problems, the invention provides a duct piece dismantling machine and a dismantling method, aiming at duct pieces at specific positions, the specific duct pieces are dismantled quickly by utilizing a vertical space, the surrounding environment is not damaged, the dismantling accuracy is improved, the construction time is saved, and the operation efficiency is improved.
In a first aspect of the invention, there is provided a pipe segment demolition machine comprising: the device comprises a duct piece support frame, a power arm, a rotating chassis and a rail car; wherein the content of the first and second substances,
the segment support frame is provided with an arc frame plate; the arc frame plate is provided with a stud for fixing a target segment;
the power arms comprise long power arms and short power arms, and the top ends of the power arms are respectively and rotatably connected to the end parts of the inner side and the outer side of the bottom of the segment support frame; the lower end of the long power arm is rotationally connected with the rotating chassis; the lower end of the short power arm is connected with the rotating chassis;
the rotating chassis is used for carrying the power arm, is arranged on a frame of the rail car and can rotate relative to the frame.
Furthermore, the dismantling machine also comprises a bearing frame, and the bearing frame comprises an upper unit and a lower unit; the upper unit and the lower unit are rotatably connected with each other and are foldable with each other; the upper end of the upper unit is rotatably connected with the end part of the inner side of the segment support frame; the lower end of the lower unit is rotatably connected with the lower end of the long power arm.
Further, the radian of the arc-shaped frame plate is matched with that of the target pipe piece.
Furthermore, a translation driving mechanism is arranged between the segment supporting frame and the arc frame plate and drives the arc frame plate to move left and right in the horizontal direction of the segment supporting frame.
Furthermore, four corners of the frame of the railway vehicle are provided with support legs; the supporting legs are telescopic and contract when the rail car moves, and the supporting legs extend out to abut against the ground when the target segment is dismantled.
Furthermore, a rotary driving cylinder is arranged on the rotary chassis, the rotary driving cylinder is approximately horizontally arranged, one end of the rotary driving cylinder is connected with the frame of the rail car, and the other end of the rotary driving cylinder is connected with the periphery of the rotary chassis to drive the rotary chassis to rotate.
Furthermore, a long power arm limiting frame is arranged on the rotating chassis, the lower end of the long power arm limiting frame is fixedly arranged on the rotating chassis, a frame slot hole is formed in the upper end of the rotating chassis, the long power arm penetrates through the frame slot hole, and the frame slot hole limits the swinging range of the long power arm towards the short power arm.
Furthermore, a short power arm fixing frame is arranged on the rotating chassis and used for locking and fixing the short power arm.
In a second aspect of the present invention, there is provided a method for removing a duct piece removing machine, where the duct piece removing machine includes the following steps:
a moving procedure, namely moving the demolition machine to reach the position below the target segment;
an adjusting procedure, namely, a long power arm and a short power arm lift the segment support frame to the height of a target segment, the position of the arc-shaped frame plate is adjusted by using a translation mechanism, and the arc-shaped frame plate is abutted to the target segment in a state that a stud is embedded into a fixing hole preset on the target segment;
a disassembling process, namely removing the bolt connection between the two sides of the target segment and other segments;
a jacking process, namely enabling the long power arm and the short power arm to rise simultaneously to jack the target segment vertically;
a swinging-down procedure, wherein the length of the long power arm is kept, and the short power arm is shortened to enable the outer side of the target segment to descend;
a descending process, wherein the long power arm and the short power arm descend simultaneously to enable the target segment to descend vertically;
and a moving-out process, namely driving the rotating chassis to rotate the target segment by 90 degrees and carrying out the target segment out of the track, so that the target segment is removed.
Further, in the jacking process, the positions of the arc-shaped frame plates in the inner and outer directions are finely adjusted through asynchronous lifting of the long power arm and the short power arm;
in the jacking process, firstly, the target segment is separated from the adjacent segments by using the translation mechanism, and then the long power arm and the short power arm are simultaneously lifted to vertically jack the target segment.
It should be understood that the statements herein reciting aspects are not intended to limit the critical or essential features of any embodiment of the invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
The above and other features, advantages and aspects of various embodiments of the present invention will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. In the drawings, like or similar reference characters designate like or similar elements, and wherein:
FIG. 1 is a side view of the demolition machine of the present embodiment;
fig. 2 is a schematic front view of the demolition machine of the present embodiment;
fig. 3 is a schematic view of a demolition process of the demolition machine of the present embodiment;
wherein, the corresponding relationship between the reference numbers and the component names in fig. 1 is:
the device comprises a segment supporting frame 1, a rotating chassis 2, a rail car 3, an arc frame plate 5, a bolt 51, a long power arm 61, a short power arm 62, a long power arm limiting frame 63, a short power arm fixing frame 64, a bearing frame 7, a supporting leg 8, a rotary driving cylinder 9, a target segment 10 and a fixing hole 11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
A first aspect of the present invention, described below with reference to fig. 1 to 2, provides a pipe segment demolition machine comprising: the pipe piece support frame comprises a pipe piece support frame 1, a power arm, a rotating chassis 2 and a rail car 3; wherein the content of the first and second substances,
the segment support frame 1 is provided with an arc frame plate 5; the arc-shaped frame plate 5 is provided with a stud 51 for fixing the target segment 10;
the power arms comprise a long power arm 61 and a short power arm 62, and the top ends of the long power arm and the short power arm are respectively and rotatably connected to the end parts of the inner side and the outer side of the bottom of the segment support frame 1; the lower end of the long power arm 61 is rotationally connected with the rotating chassis 2; the lower end of the short power arm 62 is connected with the rotating chassis 2;
the turning chassis 2 carries a power arm, is provided on the frame of the railcar 3, and is turnable relative to the frame.
In the above embodiment, the demolition machine further includes a bearing frame 7, and the bearing frame 7 includes an upper unit and a lower unit; the upper unit and the lower unit are rotatably connected with each other and are foldable with each other; the upper end of the upper unit is rotatably connected with the end part of the inner side of the bottom of the segment support frame 1; the lower end of the lower unit is rotatably connected with the lower end of a long power arm 61. The end parts of the inner side and the outer side of the bottom of the duct piece support frame are distinguished according to the inclination angle, the upward inclination direction is the end part of the inner side, and the downward inclination direction is the end part of the outer side.
In the above embodiment, the width of the bearing frame 7 is equal to the width of the segment support frame 1, when a target segment is removed, the long and short power arms support the segment support frame at two points on the same line, which may cause a risk of inclination, and the plane of the bearing frame and the plane of the long and short power arms in the planar design form a cross form, so that the bottom of the segment support frame is supported by the plane, and the stability is increased. The folding design of the bearing frame is to extend and bend along with the up-and-down movement of the power arm, so as to play a role of integral support.
In the above embodiment, the arc of the arc-shaped frame plate 5 is matched with the arc of the target segment 10. The radian of the arc frame plate needs to be manufactured according to the radian of the target segment, so that the arc frame plate is in contact fit with the target segment in the dismounting process, the friction force is increased, and the target segment is fixed through the action of the stud.
In the above embodiment, a balance driving mechanism is arranged between the segment support frame 1 and the arc frame plate 5, and drives the arc frame plate 5 to move left and right in the horizontal direction of the segment support frame 1. The section of jurisdiction support frame is provided with fretwork department, and arc frame plate bottom sets up balanced actuating mechanism, and balanced actuating mechanism places in fretwork department, and the area of fretwork department than balanced actuating mechanism will be big, leaves the space that balanced actuating mechanism removed, when moving about balanced actuating mechanism, moves about the arc frame plate, when the operation, makes the peg on the arc frame plate can accurately get into the fixed orifices of target section of jurisdiction.
In the above embodiment, the four corners of the frame of the rail car 3 are provided with the support legs 8; the supporting legs 8 are telescopic and contract when the rail car 3 moves, and the supporting legs 8 extend out to abut against the ground when the target duct piece is dismantled, so that the rail car 3 is fixed. The extension and contraction of the supporting legs can also be connected with a power unit of the demolition machine, and the power unit controls the extension and contraction of the supporting columns.
In the above embodiment, the rail car 3 is further provided with a chassis and rail wheels, the chassis is mounted at the bottom of the car frame, the rail wheels are mounted at the bottom of the chassis, and the support legs 8 are mounted at the four corners of the chassis. The design of the rail wheel is that the dismantling machine can move on the rail, and the dismantling machine can integrally move on the rail through the participation of external force.
In the above embodiment, the turning chassis 2 has the turning driving cylinder 9, and the turning driving cylinder 9 is disposed substantially horizontally, and has one end connected to the frame of the railcar 3 and the other end connected to the peripheral side of the turning chassis 2 to drive the turning chassis 2 to turn.
In the above embodiment, the rotating chassis 2 is provided with the long power arm limiting frame 63, the lower end of the long power arm limiting frame is fixedly arranged on the rotating chassis 2, the upper end of the long power arm limiting frame is provided with the frame slot hole, the long power arm 61 penetrates through the frame slot hole, and the frame slot hole limits the swinging range of the long power arm 61 towards the short power arm 62. During actual operation, the long power arm and the short power arm can carry out various vertical adjustments while keeping the arc-shaped frame plate balanced and stable, and under the condition that one power arm does not swing, the other power arm is arranged to swing in a certain floating mode. According to actual conditions, one power arm needs to swing towards the other power arm by taking the bottom end as a plane of center, so that the rack slot hole is trapezoidal, and the limiting effect is met.
In the above embodiment, the rotating chassis 2 is provided with the short power arm fixing frame 64 for locking and fixing the short power arm 62. The lower end of the short power arm passes through the short power arm fixing frame and is movably connected with the rotating chassis.
In this embodiment, a movement space is left at the connection part of the power arm and the rotating chassis 2, because when the demolition machine adopts hydraulic drive, when the power arm moves up and down, a certain movement space is needed, so that the movable connection with the space is adopted, but a stable structure is needed in the demolition machine, so that a limit frame and a fixed frame are arranged.
In the above embodiment, the top end of the long power arm 61 is rotatably connected with the inner end of the bottom of the segment support frame 1 through the extension column. During operation, under the condition that the rail car is not moved, the arc-shaped frame plate needs to be moved, the short power arm does not move, the long power arm needs to swing, and the top of the long power arm can swing by taking the movable rotating shaft at the joint of the long power arm and the rotating chassis as the center. The extension column is used for increasing the length of the long power arm; and secondly, the long power arm realizes a smaller swing angle when swinging by the same radian.
In the embodiment, the hydraulic power arm with the same length is adopted as the long power arm and the short power arm, the long power arm is rotatably connected with the lower end of the extension column, and the upper end of the extension column is rotatably connected with the end part of the inner side of the bottom of the segment support frame. The distance among the duct piece support frame, the extension column and the power arm forms a triangle. The distance of section of jurisdiction support frame and extension post is unchangeable, will guarantee triangular structure, need set up the contained angle of section of jurisdiction support frame and extension post into rotatable coupling, set up rotatable coupling between extension post and the power arm, the power arm sets up rotatable coupling with rotating chassis, and the steady perpendicular level of section of jurisdiction support frame is to the removal that such design has realized.
In order to reduce the overall weight of the dismantling machine, the duct piece support frame, the arc-shaped frame plate, the support frame, the rail car frame, the chassis and the like are all formed into a required shape by the main rod and the plurality of cross rods; the rotary chassis is annular or elliptical; other structures can be arranged according to actual conditions. The weight is reduced, the power consumption can be reduced, and the effects and the emission can be improved.
In a second aspect of the present invention, which will be described with reference to fig. 3, a demolition method of a segment demolition machine is provided, which uses the segment demolition machine, and comprises the following steps:
presetting a fixing hole 11 on the target segment 10 according to a stud 51 of the arc-shaped frame plate 5 of the demolition machine, so that the arc-shaped frame plate 5 is in contact fit with the radian of the target segment 10;
a moving process, namely transporting the demolition machine to a track by a forklift, and moving the demolition machine to reach the position below the target segment 10;
an adjusting process, namely, the segment support frame 1 is lifted to the height of the target segment 10 by the long power arm 61 and the short power arm 62, the position of the arc-shaped frame plate 5 is adjusted by using a translation mechanism, and the arc-shaped frame plate 5 is abutted against the target segment 10 under the condition that the stud 51 is embedded into a fixing hole 11 preset on the target segment 10;
a disassembling process, namely lowering the supporting legs 8 of the rail car 3 to abut against the ground and fixing the disassembling machine; the bolt connection between the two sides of the target segment 10 and other segments is released;
a jacking step, namely enabling the long power arm 61 and the short power arm 62 to simultaneously ascend to vertically jack the target segment 10 by 300 mm;
a swinging-down step of maintaining the length of the long power arm 61, and shortening the short power arm 62 to lower the outer side of the target segment 10 by a lowering angle of 20 degrees 3 '43';
a descending step, wherein the long power arm 61 and the short power arm 62 are simultaneously descended to vertically descend the target segment 10 by 300 mm;
and a moving-out process, namely driving the rotating chassis 3 to rotate the target segment 10 by 90 degrees and carrying out the target segment out of the track, so that the target segment 10 is removed.
In the above embodiment, in the jacking process, the positions of the arc-shaped frame plates 5 in the inward and outward directions are finely adjusted by the asynchronous lifting of the long power arm 61 and the short power arm 62;
in the jacking process, firstly, the target segment 10 is separated from the adjacent segments by using a translation mechanism, and then the long power arm 61 and the short power arm 62 are simultaneously lifted to vertically jack the target segment 10.
When the dismantling machine is used, the specific duct piece is dismantled quickly by utilizing the vertical space aiming at the duct piece at the specific position, the surrounding environment is not damaged, the dismantling accuracy is improved, the construction time is saved, and the operation efficiency is improved.
In the description of the present invention, the terms "connect", "mount", "fix", and the like are used in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is merely a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A pipe segment demolition machine, comprising: the pipe piece support frame (1), a power arm, a rotating chassis (2) and a rail car (3); wherein the content of the first and second substances,
the segment support frame (1) is provided with an arc frame plate (5); the arc-shaped frame plate (5) is provided with a stud (51) for fixing the target segment (10);
the power arms comprise long power arms (61) and short power arms (62), and the upper ends of the long power arms and the short power arms are respectively and rotatably connected to the end parts of the inner side and the outer side of the bottom of the segment support frame (1); the lower end of the long power arm (61) is rotationally connected with the rotating chassis (2); the lower end of the short power arm (62) is connected with the rotating chassis (2);
the rotating chassis (2) carries the power arm, is arranged on a frame of the rail car (3), and can rotate relative to the frame.
2. Demolition machine according to claim 1, further comprising a load-bearing frame (7),
the bearing frame (7) comprises an upper unit and a lower unit; the upper unit and the lower unit are rotatably connected with each other and foldable with each other; the upper end of the upper unit is rotatably connected with the end part of the inner side of the segment support frame (1); the lower end of the lower unit is rotatably connected with the lower end of the long power arm (61).
3. The demolition machine according to claim 1 wherein the arc of the arc frame plate (5) is arc-matched to the target segment (10).
4. The demolition machine according to claim 1 wherein a translation drive mechanism is provided between the segment support frame (1) and the arc frame plate (5) which drives the arc frame plate (5) to move left and right in the horizontal direction of the segment support frame (1).
5. Demolition machine according to claim 1, characterized in that legs (8) are provided at the four corners of the frame of the rail vehicle (3); the supporting legs (8) are telescopic, and are contracted when the rail car (3) moves, and the supporting legs (8) extend out to abut against the ground when the target segment (10) is dismantled.
6. A demolition machine according to claim 1, characterized in that a rotary drive cylinder (9) is provided to the rotating chassis (2), which rotary drive cylinder (9) is arranged substantially horizontally, one end of which is connected to the frame of the rail car (3) and the other end of which is connected to the peripheral side of the rotating chassis (2) for driving the rotating chassis (2) in rotation.
7. Demolition machine according to claim 1, characterized in that the rotating chassis (2) is provided with a long power arm limiting frame (63), the lower end of which is fixedly arranged to the rotating chassis (2) and the upper end of which is provided with a frame slot, the long power arm (61) passing through the frame slot, the frame slot limiting the extent of the swing of the long power arm (61) towards the short power arm (62).
8. Demolition machine according to claim 1, characterized in that the rotating chassis (2) is provided with the short power arm fixing frame (64) for locking fixing the short power arm (62).
9. A removing method of a duct piece removing machine, which is characterized in that the duct piece removing machine of any one of claims 1-8 is adopted, and the method comprises the following steps:
a moving step of moving the demolition machine to a position below the target segment (10);
an adjustment process, namely, a segment support frame (1) is lifted to the height of a target segment (10) by a long power arm (61) and a short power arm (62), the position of an arc-shaped frame plate (5) is adjusted by a translation mechanism, and the arc-shaped frame plate (5) is abutted against the target segment (10) in the state that a stud (51) is embedded into a fixing hole (11) preset on the target segment (10);
a disassembling process, namely removing the bolt connection between two sides of the target segment (10) and other segments;
a jacking step, wherein the long power arm (61) and the short power arm (62) are simultaneously lifted to vertically jack the target segment (10);
a swinging-down step of maintaining the length of the long power arm (61) and shortening the short power arm (62) to lower the outer side of the target segment (10);
a descending step of simultaneously descending the long power arm (61) and the short power arm (62) to vertically descend the target segment (10);
and a carrying-out process, namely driving the rotating chassis (2) to rotate the target segment (10) by 90 degrees and carrying out the target segment from the track, thereby completing the removal of the target segment (10).
10. The demolition method according to claim 9,
in the jacking process, the positions of the arc-shaped frame plates (5) in the inner and outer directions are finely adjusted through asynchronous lifting of the long power arm (61) and the short power arm (62);
in the jacking process, firstly, a target segment (10) is separated from an adjacent segment by using a translation mechanism, and then a long power arm (61) and a short power arm (62) are simultaneously lifted to vertically jack the target segment (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673705.6A CN114412505A (en) | 2021-12-31 | 2021-12-31 | Pipe piece dismantling machine and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111673705.6A CN114412505A (en) | 2021-12-31 | 2021-12-31 | Pipe piece dismantling machine and method |
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| Publication Number | Publication Date |
|---|---|
| CN114412505A true CN114412505A (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111673705.6A Pending CN114412505A (en) | 2021-12-31 | 2021-12-31 | Pipe piece dismantling machine and method |
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| CN (1) | CN114412505A (en) |
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| CN112983471A (en) * | 2021-03-02 | 2021-06-18 | 温州磊锵科技有限公司 | Segment dismantling device for waste tunnel expanding and using method thereof |
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| CN105649647A (en) * | 2014-11-11 | 2016-06-08 | 粤水电轨道交通建设有限公司 | Dismounting method of negative ring duct piece in shield tunneling tunnel |
| KR101867595B1 (en) * | 2017-10-17 | 2018-06-14 | 남용학 | Utility-Pipe Conduit Construction Equipment of Tunnel |
| CN108661667A (en) * | 2018-06-28 | 2018-10-16 | 济南轨道交通集团有限公司 | It is a kind of that shield ventilating shaft is facilitated to bear the device and application method that endless tube piece is removed |
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