CN110513535B - Double-power pipe pushing machine - Google Patents
Double-power pipe pushing machine Download PDFInfo
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- CN110513535B CN110513535B CN201910843639.9A CN201910843639A CN110513535B CN 110513535 B CN110513535 B CN 110513535B CN 201910843639 A CN201910843639 A CN 201910843639A CN 110513535 B CN110513535 B CN 110513535B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
- F16L1/024—Laying or reclaiming pipes on land, e.g. above the ground
- F16L1/028—Laying or reclaiming pipes on land, e.g. above the ground in the ground
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
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Abstract
The invention discloses a double-power pipe pushing machine which comprises two groups of pushing mechanisms, wherein the two groups of pushing mechanisms are provided with the same pipe holding seat; the pipe holding seat comprises a fixed seat, the fixed seat is simultaneously connected with two groups of propulsion mechanisms, a pipe penetrating through hole is formed in the fixed seat, the hole center line of the pipe penetrating through hole is parallel to the propulsion direction of the propulsion mechanisms, a clamping pipe holding barrel is arranged in the pipe penetrating through hole, the hole center line of the clamping pipe holding barrel is parallel to the hole center line of the pipe penetrating through hole, and a wedge-shaped mechanism is arranged between the outer barrel wall of the clamping pipe holding barrel and the fixed seat; when the clamping and holding pipe barrel and the fixed seat move axially relatively, the wedge-shaped mechanism enables the clamping and holding pipe barrel to contract radially inwards. The invention adopts the hydraulic motor as the pipe pushing power and adopts the wedge-shaped mechanism to clamp the pipeline, thereby having the obvious technical effects of reducing the manufacturing cost and the manufacturing difficulty of the equipment and reducing the volume of the equipment.
Description
Technical Field
The invention relates to pipeline construction equipment, in particular to pipe pushing equipment.
Background
Pipeline transportation is one of three modern transportation modes, and due to the advantages of high efficiency, low cost, small occupied area, difficulty in being influenced by the environment and the like, the pipeline transportation is more and more widely applied to energy supply, petrochemical industry and resident living systems, and is a life line of modern cities. The horizontal directional drilling technology is the most widely applied technology for laying pipelines at home and abroad at present, but in the process of directional drilling, due to the influence of factors such as geological complexity and rated tension born by a drill rod, a plurality of limitations still exist, and in the horizontal directional penetration of rivers with large calibers, long distances and complex geology, the problems of drill blockage, drill rod breaking and the like are easy to occur. Aiming at the current situation, the characteristics of Germany HaoRui combined with micro tunnel construction and horizontal directional drilling provide a direct pipe laying method, which is an advanced pipe laying method at present, is a novel trenchless pipe construction technology, and has the advantages of small construction land occupation, high speed and rollback capability. The direct pipelaying method allows the laying of prefabricated pipes in a single continuous pipe into the ground with the aid of a thrust device "pipe pusher". However, the pipe pushing machine adopts a hydraulic cylinder with long stroke and large thrust to push the pipe directly, and the hydraulic cylinder has the problems of higher manufacturing difficulty and higher manufacturing cost, larger equipment of the pipe pushing machine, larger required construction site and the like; the pipe holding device adopted by the pipe pushing machine is hydraulically and radially and actively clamped, and a clamping hydraulic cylinder needs to be arranged in a targeted manner, so that the equipment cost is further improved.
Disclosure of Invention
In view of the above, the present invention provides a double-powered tube pusher.
The technical scheme is as follows:
the utility model provides a double-power push tube machine which the key lies in: the device comprises two groups of propelling mechanisms, wherein the two groups of propelling mechanisms are provided with the same pipe holding seat;
the pipe holding seat comprises a fixed seat, the fixed seat is simultaneously connected with two groups of propulsion mechanisms, a pipe penetrating through hole is formed in the fixed seat, the hole center line of the pipe penetrating through hole is parallel to the propulsion direction of the propulsion mechanisms, a clamping pipe holding barrel is arranged in the pipe penetrating through hole, the hole center line of the clamping pipe holding barrel is parallel to the hole center line of the pipe penetrating through hole, and a wedge-shaped mechanism is arranged between the outer barrel wall of the clamping pipe holding barrel and the fixed seat;
when the clamping and holding pipe barrel and the fixed seat move axially relatively, the wedge-shaped mechanism enables the clamping and holding pipe barrel to contract radially inwards.
By adopting the technical scheme, the clamping between the clamping pipe holding barrel and the pipeline is realized through the wedge-shaped mechanism, a clamping power device is not required to be specially arranged, the manufacturing cost and the maintenance cost of equipment are reduced, and the failure rate is reduced.
Preferably, the clamping and holding pipe barrel comprises a shaping barrel body and at least two arc-shaped slips, the arc-shaped slips are arranged at the same end of the shaping barrel body, all the arc-shaped slips are distributed at the end part of the shaping barrel body in the circumferential direction, and deformation joints are formed between the two adjacent arc-shaped slips in the circumferential direction. The curved slips in this design are used to grip a pipe, while the shaped barrel is used to hold the curved slips in a spread apart condition.
As a preferred technical scheme, the inner cavity of the clamping and holding pipe barrel is in a circular hole shape, the outer barrel wall of the clamping and holding pipe barrel is in a circular truncated cone shape, the small-diameter end of the clamping and holding pipe barrel forms the shaping barrel, the barrel wall of the large-diameter end of the clamping and holding pipe barrel is axially provided with the deformation joint, and the large-diameter end of the clamping and holding pipe barrel forms the arc-shaped slip;
the tube penetrating through hole is in a circular truncated cone shape, and the hole wall of the tube penetrating through hole is matched with the outer cylinder wall of the clamping and holding tube barrel so as to form the wedge-shaped mechanism;
when the fixed seat moves from the small-diameter end to the large-diameter end of the clamping and holding pipe barrel, the free end of the arc-shaped slip retracts radially.
According to the technical scheme, the pipeline penetrates through the clamping pipe holding barrel, when the pipe is pushed, the fixing seat moves from the small-diameter end to the large-diameter end of the clamping pipe holding barrel, the arc-shaped slips radially hold the pipeline, the clamping pipe holding barrel and the pipeline are finally driven to move synchronously, when one-time pipe pushing operation is completed, the fixing seat moves from the large-diameter end to the small-diameter end of the clamping pipe holding barrel, the arc-shaped slips are released, the pipeline is kept in the original position, and the fixing seat and the clamping pipe holding barrel return together.
As a preferred technical scheme, the fixing seat is annular, the inner cavity of the fixing seat forms the tube through hole, and the axial length of the fixing seat is smaller than that of the clamping and holding tube barrel; so that the fixing base can
The pipe clamping and holding device comprises a pipe clamping and holding barrel and is characterized by further comprising two baffle rings, wherein the two baffle rings are respectively positioned at two ends of the pipe clamping and holding barrel, the end surfaces of the inner sides of the baffle rings are respectively provided with a buffer gasket, the buffer gaskets are concentrically arranged with the corresponding baffle rings, and the end surfaces of the pipe clamping and holding barrel are abutted against the corresponding buffer gaskets; the baffle rings respectively block and clamp the pipe barrel from two ends to prevent the pipe barrel from falling off; the buffer gasket plays a role in buffering; the axial length of the fixed seat is less than that of the clamping pipe holding barrel; so that the fixed seat can move relative to the clamping pipe holding barrel in the range of the two baffle rings;
the outer coaxial cover of fixing base is equipped with a restraint section of thick bamboo, the inner wall of this restraint section of thick bamboo with the outer wall laminating of fixing base, the both ends of restraint section of thick bamboo respectively with two fender ring fixed connection be equipped with two along its length direction on the section of thick bamboo wall of restraint section of thick bamboo let the position mouth the outer wall of fixing base is fixed with two ejector sleeve arms, two ejector sleeve arms are followed two respectively and are let the position mouth and stretch out, two the end that stretches out of ejector sleeve arm is connected with two sets of advancing mechanism's power take off part respectively still be equipped with the power synchronizing rod outside the restraint section of thick bamboo, this power synchronizing rod is the arc, the both ends of this power synchronizing rod respectively with two ejector sleeve arm fixed connection. The restraining cylinder plays a role in fixing and restraining the baffle ring; the power synchronization rod is used for synchronously balancing the power output by the two propelling mechanisms.
The fixing base includes two semi-cylindrical fixed plates of lamella, is in any be equipped with respectively on two straightways of fixed plate and merge the abaculus, another correspond respectively on two straightways of fixed plate merge the abaculus and be equipped with and merge the socket, two lamella the fixed plate concatenation forms the annular fixing base, merge the abaculus be located close in the socket, two lamella the fixed plate is through inserting the combination pin joint, the combination pin with the central line of fixing base is parallel, the combination pin is inserted and is established two lamellas the coupling part of fixed plate. This design is convenient for the assembly of fixing base and inside device.
As a preferable technical scheme, the restraining cylinder comprises two tile-shaped arc restraining plates, the two arc restraining plates are buckled with each other to form the restraining cylinder, and the relief opening is reserved between straight sections of the two arc restraining plates;
keep off the ring and include two annular baffles of semicircle, it is same keep off two of ring the baffle respectively with two the arc end fixed connection of the about board of arc, it is same keep off two of ring the baffle is located restraint a section of thick bamboo same end, it is same keep off two of ring the baffle is connected through at least one fit seat, fit seat includes two and connects the journal stirrup, and is same two of fit seat connect the journal stirrup and establish two that correspond respectively on the baffle, two correspond connect insert on the journal stirrup and be equipped with same connecting pin.
This design facilitates assembly of the containment drum and internal components.
A centralizer is also fixed on the restraining barrel;
the centralizer comprises a centralizing frame which is fixed on the outer wall of the restraining barrel, two groups of centralizing rolling systems are arranged on the centralizing frame, the two groups of centralizing rolling systems are respectively positioned at two ends of the restraining barrel, the centralizing rolling systems are positioned at the outer sides of the corresponding retaining rings, the centralizing rolling systems are positioned above the inner holes of the corresponding retaining rings, and the centralizing rolling systems comprise two roller groups,
each roller group comprises at least one roller, the rotating shaft of each roller is perpendicular to the central line of the restraint barrel, the rotating plane of each roller is arranged along the radial direction of the restraint barrel, all the rollers of the same roller group are distributed along the length direction of the restraint barrel, and the two roller groups are annularly arranged side by side.
The centralizer is used for righting the pipe core line of the pipeline to be parallel to the cylinder core line of the clamping pipe holding barrel.
The propelling mechanism comprises a rack and a propelling base arranged on the rack, and a push pipe power assembly is arranged on the propelling base;
the push pipe power assembly comprises an integrated seat, the integrated seat is arranged on the push base in a riding mode, a hydraulic motor group is arranged on the integrated seat and fixed on the integrated seat, driving gears are arranged at output end groups of the hydraulic motor group respectively, the push base is in a long strip shape, a rack is arranged on the push base along the length direction of the push base, and the rack is meshed with the driving gears; the integrated seat is fixedly connected with the fixed seat.
A horizontal support rod is arranged on the machine frame, and a turnover sleeve is arranged at the rear part of the pushing base and movably sleeved outside the horizontal support rod;
and a turnover hydraulic cylinder is connected between the rear part of the propelling base and the lower part of the rack, and two ends of the turnover hydraulic cylinder are respectively hinged with the propelling base and the rack.
A plurality of hydraulic motors are used as power, the size of the device can be obviously reduced, the cost is reduced, and the overturning hydraulic cylinder is used for adjusting the pipe pushing direction.
And a plurality of anti-slip rubber strips are fixed on the inner wall of the clamping and holding pipe barrel, extend along the length direction of the clamping and holding pipe barrel, and are distributed annularly. By adopting the scheme, the anti-slip rubber strip can be tightly attached to the pipeline, and the pipeline is prevented from being damaged.
Compared with the prior art, the invention adopts the hydraulic motor as the pipe pushing power and adopts the wedge-shaped mechanism to clamp the pipeline, thereby having the obvious technical effects of reducing the manufacturing cost and the manufacturing difficulty of the equipment and reducing the volume of the equipment.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the propulsion mechanism 1;
fig. 3 is a schematic view of the fitting relationship between the turning sleeve 17 and the horizontal stay 16;
FIG. 4 is a schematic view showing the meshing relationship between the rack 19 and the driving gear 15;
FIG. 5 is a schematic perspective view of the stem holding seat 2;
FIG. 6 is a schematic plan view of the stem holding seat 2;
FIG. 7 is a cross-sectional view A-A of FIG. 6;
fig. 8 is a schematic perspective view of the restraining canister 25;
FIG. 9 is a schematic view of the tube pushing arm 26 engaged with the fixing seat 21;
fig. 10 is a schematic view of the assembly relationship between the clamping holding tube barrel 22 and the fixing seat 21;
fig. 11 is a perspective view of the pipe clamping and holding tube 22.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1-11, a double-power tube pushing machine comprises two groups of pushing mechanisms 1 and a tube holding seat 2, wherein the two groups of pushing mechanisms 1 are respectively arranged at two sides of the tube holding seat 2, and the tube holding seat 2 is arranged on the two groups of pushing mechanisms 1;
the propulsion mechanism 1 comprises a frame 11 and a propulsion base 12 arranged on the frame 11, the propulsion base 12 is in a long arm shape, and a push pipe power assembly is arranged on the propulsion base 12;
the machine frame 11 is fixedly provided with a horizontal support rod 16, the rear part of the propelling base 12 is provided with a turnover sleeve 17, the turnover sleeve 17 is movably sleeved outside the horizontal support rod 16, a turnover hydraulic cylinder 18 is connected between the rear part of the propelling base 12 and the lower part of the machine frame 11, and two ends of the turnover hydraulic cylinder 18 are respectively hinged with the propelling base 12 and the machine frame 11.
The pipe pushing power assembly comprises an integrated base 13, the integrated base 13 is arranged on the pushing base 12 in a riding mode, a hydraulic motor group 14 is arranged on the integrated base 13, the hydraulic motor group 14 is fixed on the integrated base 13, the hydraulic motor group 14 comprises at least two hydraulic motors, the output shaft of each hydraulic motor is vertically downward, a driving gear 15 is fixedly arranged on the output shaft of each hydraulic motor, a rack 19 is arranged on the pushing base 12 along the length direction of the pushing base, and the rack 19 is meshed with the driving gear 15; the integrated base 13 is connected with the pipe holding base 2;
in order to improve the stability of the integration seat 13 during movement, a rolling groove is formed in the propulsion base 12, the rolling groove extends along the length direction of the propulsion base 12, the rolling groove is parallel to the rack 19, a stabilizing roller 41 is arranged on the integration seat 13, one end of the stabilizing roller 41 is fixed with the integration seat 13, a roller 42 is mounted at the other end of the stabilizing roller 41, the roller 42 is located in the rolling groove, and the roller 42 rolls along the length direction of the rolling groove.
The pipe holding seat 2 comprises a fixed seat 21, a clamping pipe holding barrel 22 and two baffle rings 23, wherein the fixed seat 21 is simultaneously connected with two groups of the propelling mechanisms 1, a pipe penetrating through hole is formed in the fixed seat 21, the hole center line of the pipe penetrating through hole is parallel to the propelling direction of the propelling mechanisms 1, the clamping pipe holding barrel 22 is arranged in the pipe penetrating through hole, the hole center line of the clamping pipe holding barrel 22 is parallel to the hole center line of the pipe penetrating through hole, and a wedge-shaped mechanism is arranged between the outer barrel wall of the clamping pipe holding barrel 22 and the fixed seat 21; when the clamping and embracing pipe barrel 22 and the fixed seat 21 axially move relatively, the wedge-shaped mechanism enables the clamping and embracing pipe barrel 22 to radially contract inwards, a plurality of anti-skid rubber strips 29 are fixed on the inner wall of the clamping and embracing pipe barrel 22, the anti-skid rubber strips 29 extend along the length direction of the clamping and embracing pipe barrel 22, and all the anti-skid rubber strips 29 are circumferentially distributed.
The fixed seat 21 is annular, the inner cavity of the fixed seat forms the pipe through hole, and the axial length of the fixed seat 21 is smaller than that of the clamping pipe holding barrel 22; the two baffle rings 23 are respectively positioned at two ends of the clamping and holding pipe barrel 22, the end surfaces of the inner sides of the baffle rings 23 are respectively provided with a buffer gasket 24, the buffer gaskets 24 are concentrically arranged with the corresponding baffle rings 23, and the end surfaces of the clamping and holding pipe barrel 22 are abutted to the corresponding buffer gaskets 24;
a restraining barrel 25 is coaxially sleeved outside the fixing seat 21, the inner wall of the restraining barrel 25 is attached to the outer wall of the fixing seat 21, two ends of the restraining barrel 25 are respectively and fixedly connected with the two baffle rings 23, two yielding ports are arranged on the barrel wall of the restraining barrel 25 along the length direction of the restraining barrel, the two yielding ports are arranged on the restraining barrel 25 in a right-to-right manner, two push pipe arms 26 are fixed on the outer wall of the fixing seat 21, the two push pipe arms 26 are arranged in the same diameter direction of the fixing seat 21, the two push pipe arms 26 are both horizontally arranged, the inner ends of the two push pipe arms 26 are respectively fixed with the outer wall of the fixing seat 21, the two push pipe arms 26 respectively extend out from the two yielding ports, the extending ends of the two push pipe arms 26 are respectively connected with the power output parts of the two groups of the propulsion mechanisms 1, and a power synchronizing rod 27 is further arranged outside the restraining barrel 25, the power synchronizing rod 27 is arc-shaped, two ends of the power synchronizing rod 27 are respectively and fixedly connected with the inner ends of the two pipe pushing arms 26, and the outer ends of the two pipe pushing arms 26 are respectively and fixedly connected with the two integration seats 13 on the propulsion mechanism 1.
A centralizer 28 is further fixed on the restraining barrel 25, the centralizer 28 comprises a centralizer 281, the righting frame 281 is fixed on the outer wall of the restraining barrel 25, two groups of righting rolling systems 282 are arranged on the righting frame 281, the two groups of righting rolling systems 282 are respectively positioned at two ends of the restraining barrel 25, the righting rolling system 282 is located outside the corresponding baffle ring 23, the righting rolling system 282 is located above the inner hole of the corresponding baffle ring 23, the righting rolling system 282 includes two roller groups, each roller group includes at least one roller, a rotation axis of each roller is perpendicular to a central line of the restraining barrel 25, a rotation plane of each roller is arranged along a radial direction of the restraining barrel 25, all the rollers of the same roller group are distributed along a length direction of the restraining barrel 25, and the two roller groups are arranged side by side in a circumferential direction.
The clamping and holding pipe barrel 22 comprises a shaping cylinder 221 and at least two arc slips 222, the arc slips 222 are arranged at the same end of the shaping cylinder 221, all the arc slips 222 are distributed annularly at the end part of the shaping cylinder 221, and a deformation joint is formed between two adjacent arc slips 222 in the annular direction.
The inner cavity of the clamping and holding pipe barrel 22 is in a circular hole shape, the outer barrel wall of the clamping and holding pipe barrel 22 is in a circular truncated cone shape, the small-diameter end of the clamping and holding pipe barrel 22 forms the shaping barrel 221, the barrel wall of the large-diameter end of the clamping and holding pipe barrel 22 is axially provided with the deformation joint, and the large-diameter end of the clamping and holding pipe barrel 22 forms the arc-shaped slip 222;
the tube penetrating through hole is in a circular truncated cone shape, and the hole wall of the tube penetrating through hole is matched with the outer cylinder wall of the clamping and holding tube barrel 22 so as to form the wedge-shaped mechanism;
when the fixed seat 21 moves from the small-diameter end to the large-diameter end of the clamping and holding pipe barrel 22, the free end of the arc-shaped slip 222 is radially retracted.
For the convenience of installation, fixing base 21, restraint a section of thick bamboo 25 and fender ring 23 are the concatenation formula structure, and are specific:
fixing base 21 includes two semi-cylindrical fixed plates 213 of lamella, and is any be equipped with respectively on two straightways of fixed plate 213 and merge abaculus 211, another correspond respectively on two straightways of fixed plate 213 merge abaculus 211 is equipped with and merges socket 212, two lamella the fixed plate 213 concatenation forms the annular fixing base 21, merge abaculus 211 is located merge in the socket 212, two lamella the fixed plate 213 is through inserting the combination pin connection, merge the pin with the central line of fixing base 21 is parallel, the pin that merges is inserted and is established two lamella the coupling part of fixed plate 213.
The restraint cylinder 25 comprises two tile-shaped arc restraint plates 251, the two arc restraint plates 251 are buckled to form the restraint cylinder 25, and the escape opening is reserved between straight line sections of the two arc restraint plates 251;
keep off ring 23 and include two annular baffles 231 of semicircle, it is same keep off ring 23 two baffle 231 respectively with two the arc end fixed connection of arc about board 251, it is same keep off ring 23 two baffle 231 is located restraint a section of thick bamboo 25 same end, it is same keep off ring 23 two baffle 231 connects through at least one box 253, box 253 includes two connection lugs, and is same box 253 two connect the lug and establish respectively two that correspond on the baffle 231, two correspond connect and insert on the lug and be equipped with same connecting pin.
When pushing the pipe, the large-diameter end of the clamping and holding pipe barrel 22 faces the front, the small-diameter end faces the rear, the pipe is placed in the clamping and holding pipe barrel 22, the outer wall of the pipe is attached to the inner wall of the clamping and holding pipe barrel 22, the pushing mechanism 1 drives the fixing seat 21 to move forwards, the clamping and holding pipe barrel 22 is blocked by the pipe and keeps in place, the fixing seat 21 moves forwards relative to the clamping and holding pipe barrel 22, the arc-shaped slips 222 are pushed by the fixing seat 21 to retract radially inwards, and finally the pipe is clamped and synchronously moves forwards with the fixing seat 21 so as to perform pipe pushing operation; when the pipe holding seat 2 is pushed forward to the end and needs to be reset, the pushing mechanism 1 drives the fixed seat 21 to move backward, the clamping pipe holding tube 22 is blocked to keep the original position due to the clamping state of the pipe, the fixed seat 21 moves backward relative to the clamping pipe holding tube 22, finally the arc-shaped slips 222 are released to the original position, the pipe is loosened, the clamping pipe holding tube 22 moves backward along with the fixed seat 21, and the second pipe pushing operation is prepared.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a double-power push tube machine which characterized in that: the device comprises two groups of propelling mechanisms (1), wherein the same pipe holding seat (2) is arranged on the two groups of propelling mechanisms (1);
the pipe holding seat (2) comprises a fixed seat (21), the fixed seat (21) is simultaneously connected with two groups of the propelling mechanisms (1), a pipe penetrating through hole is formed in the fixed seat (21), the hole center line of the pipe penetrating through hole is parallel to the propelling direction of the propelling mechanisms (1), a clamping pipe holding barrel (22) is arranged in the pipe penetrating through hole, the hole center line of the clamping pipe holding barrel (22) is parallel to the hole center line of the pipe penetrating through hole, and a wedge-shaped mechanism is arranged between the outer barrel wall of the clamping pipe holding barrel (22) and the fixed seat (21);
when the clamping and holding pipe barrel (22) and the fixed seat (21) move axially relatively, the wedge-shaped mechanism enables the clamping and holding pipe barrel (22) to contract radially inwards;
the clamping and holding pipe barrel (22) comprises a shaping barrel body (221) and at least two arc slips (222), wherein the arc slips (222) are arranged at one end of the shaping barrel body (221), all the arc slips (222) are distributed annularly at the end part of the shaping barrel body (221), and a deformation joint is formed between two adjacent arc slips (222);
the inner cavity of the clamping and holding pipe barrel (22) is in a circular hole shape, the outer barrel wall of the clamping and holding pipe barrel (22) is in a circular truncated cone shape, the small-diameter end of the clamping and holding pipe barrel (22) forms the shaping barrel (221), the barrel wall of the large-diameter end of the clamping and holding pipe barrel (22) is axially provided with the deformation joint, and the large-diameter end of the clamping and holding pipe barrel (22) forms the arc-shaped slip (222);
the tube penetrating through hole is in a circular truncated cone shape, and the hole wall of the tube penetrating through hole is matched with the outer cylinder wall of the clamping and holding tube (22) so as to form the wedge-shaped mechanism;
when the fixed seat (21) moves from the small-diameter end to the large-diameter end of the clamping and holding pipe barrel (22), the free end of the arc-shaped slip (222) is radially retracted;
the fixed seat (21) is annular, the inner cavity of the fixed seat forms the pipe penetrating through hole, and the axial length of the fixed seat (21) is smaller than that of the clamping pipe holding barrel (22);
the pipe clamping and holding device is characterized by further comprising two baffle rings (23), the two baffle rings (23) are respectively located at two ends of the pipe clamping and holding tube (22), buffering gaskets (24) are respectively arranged on the end faces of the inner sides of the baffle rings (23), the buffering gaskets (24) are concentrically arranged with the corresponding baffle rings (23), and the end faces of the pipe clamping and holding tube (22) are abutted to the corresponding buffering gaskets (24);
the outer coaxial cover of fixing base (21) is equipped with a restraint section of thick bamboo (25), the inner wall of this restraint section of thick bamboo (25) with the outer wall laminating of fixing base (21), the both ends of restraint section of thick bamboo (25) respectively with two fender ring (23) fixed connection be equipped with two along its length direction on the section of thick bamboo wall of restraint section of thick bamboo (25) let the position mouth, the outer wall of fixing base (21) is fixed with two push pipe arms (26), two push pipe arms (26) are respectively from two it stretches out to let the position mouth, two the end that stretches out of push pipe arm (26) is connected with two sets of advancing mechanism's (1) power take off part respectively still be equipped with power synchronization rod (27) outside restraint section of thick bamboo (25), this power synchronization rod (27) are the arc, the both ends of this power synchronization rod (27) respectively with two push pipe arms (26) fixed connection.
2. The double-powered push tube machine of claim 1, wherein: fixing base (21) include two semi-cylindrical fixed plate (213) of lamella, and is any be equipped with respectively on two straightways of fixed plate (213) and merge abaculus (211), another correspond respectively on two straightways of fixed plate (213) merge abaculus (211) are equipped with and merge socket (212), two lamellas fixed plate (213) concatenation forms the ring form fixing base (21), merge abaculus (211) are located merge socket (212) are interior, two lamellas fixed plate (213) are through inserting and establishing merging pin and connect, merging pin with the central line of fixing base (21) is parallel, merging pin inserts and establishes two lamellas the coupling part of fixed plate (213).
3. The double-force push bench of claim 2, wherein: the restraint barrel (25) comprises two tile-shaped arc restraint plates (251), the two arc restraint plates (251) are buckled to form the restraint barrel (25), and the position giving opening is reserved between straight line sections of the two arc restraint plates (251);
keep off ring (23) including two annular baffle (231) of semicircle, it is same keep off two of ring (23) baffle (231) respectively with two the arc end fixed connection of arc about board (251), it is same keep off two of ring (23) baffle (231) are located restraint a section of thick bamboo (25) same end, it is same keep off two of ring (23) baffle (231) are connected through at least one combination seat (253), combination seat (253) include two and connect the journal stirrup, it is same two of combination seat (253) connect the journal stirrup and establish respectively two that correspond on baffle (231), two correspond connect and insert on the journal stirrup and be equipped with same connecting pin.
4. The double-powered push tube machine of claim 1, wherein: a centralizer (28) is also fixed on the restraining barrel (25);
the centralizer (28) comprises a centralizing frame (281), the centralizing frame (281) is fixed on the outer wall of the restraining barrel (25), two groups of centralizing rolling systems (282) are arranged on the centralizing frame (281), the two groups of centralizing rolling systems (282) are respectively positioned at two ends of the restraining barrel (25), the centralizing rolling systems (282) are positioned at the outer side of the corresponding baffle ring (23), the centralizing rolling systems (282) are positioned above the inner hole of the corresponding baffle ring (23), each centralizing rolling system (282) comprises two roller groups, each roller group comprises at least one roller, the rotating shaft of each roller is perpendicular to the central line of the restraining barrel (25), the rotating plane of each roller is arranged along the radial direction of the restraining barrel (25), and all the rollers of the same roller group are distributed along the length direction of the restraining barrel (25), two the roller train hoop sets up side by side.
5. The double-powered push tube machine of claim 1, wherein: the propelling mechanism (1) comprises a rack (11) and a propelling base (12) arranged on the rack (11), wherein a push pipe power assembly is arranged on the propelling base (12);
the push pipe power assembly comprises an integrated base (13), the integrated base (13) is arranged on the push base (12) in a riding mode, a hydraulic motor set (14) is arranged on the integrated base (13), the hydraulic motor set (14) is fixed on the integrated base (13), the output end sets of the hydraulic motor set (14) are respectively provided with a driving gear (15), the push base (12) is in a long strip shape, a rack (19) is arranged on the push base (12) along the length direction of the push base, and the rack (19) is meshed with the driving gear (15); the integrated seat (13) is fixedly connected with the fixed seat (21).
6. The double-powered push tube machine of claim 5, wherein: a horizontal support rod (16) is arranged on the rack (11), a turnover sleeve (17) is arranged at the rear part of the propelling base (12), and the turnover sleeve (17) is movably sleeved outside the horizontal support rod (16);
a turnover hydraulic cylinder (18) is connected between the rear part of the propelling base (12) and the lower part of the rack (11), and two ends of the turnover hydraulic cylinder (18) are respectively hinged with the propelling base (12) and the rack (11).
7. The double-powered push tube machine of claim 1, wherein: the inner wall of the clamping and holding pipe barrel (22) is fixedly provided with a plurality of anti-slip rubber strips (29), the anti-slip rubber strips (29) extend along the length direction of the clamping and holding pipe barrel (22), and all the anti-slip rubber strips (29) are distributed annularly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843639.9A CN110513535B (en) | 2019-09-06 | 2019-09-06 | Double-power pipe pushing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910843639.9A CN110513535B (en) | 2019-09-06 | 2019-09-06 | Double-power pipe pushing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513535A CN110513535A (en) | 2019-11-29 |
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| CN113339582B (en) * | 2021-06-21 | 2023-12-05 | 江苏探越者装备制造有限公司 | Bidirectional continuous full-hydraulic rack type pipe pushing machine |
| CN116201476B (en) * | 2023-03-10 | 2023-12-19 | 江苏谷登重型机械科技股份有限公司 | Synchronous construction device and method for multi-pipe pushing machine |
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| CN102222604A (en) * | 2011-04-28 | 2011-10-19 | 杭州长川科技有限公司 | Ejector sleeve device mechanism |
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| CN102222604A (en) * | 2011-04-28 | 2011-10-19 | 杭州长川科技有限公司 | Ejector sleeve device mechanism |
| CN202877298U (en) * | 2012-10-24 | 2013-04-17 | 宁波钜智自动化装备有限公司 | Computerized numerical control pipe bending machine |
| CN203061886U (en) * | 2013-01-30 | 2013-07-17 | 盐城双佳电气有限公司 | Full-automatic pipe cutting machine |
| CN204225767U (en) * | 2014-11-04 | 2015-03-25 | 无锡市钻通工程机械有限公司 | The clamping push-pull mechanism of ejector sleeve machine |
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