CN102518455A - Pipe sheet conveyer - Google Patents
Pipe sheet conveyer Download PDFInfo
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- CN102518455A CN102518455A CN201110409992XA CN201110409992A CN102518455A CN 102518455 A CN102518455 A CN 102518455A CN 201110409992X A CN201110409992X A CN 201110409992XA CN 201110409992 A CN201110409992 A CN 201110409992A CN 102518455 A CN102518455 A CN 102518455A
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Abstract
The invention provides a pipe sheet conveyer, which comprises a motor, a transmission device and a movement device. The movement device consists of a plurality of cylinders arranged in parallel. The motor drives the cylinders to rotate continuously by the transmission device. When the pipe sheet conveyer is used to convey the pipe sheets, the pipe sheets are placed on the cylinders and the cylinders rotate continuously to convey the pipe sheets continuously. The process of conveying the pipe sheets is continuous. Compared with intermittent conveyance, the conveying process is simpler and has higher efficiency.
Description
Technical field
The present invention relates to the technical field of tunnel piercing special engineering machinery, particularly relate to a kind of segment conveyor.
Background technology
Along with development of economic construction, the tunnel is widely used in engineering fields such as subway, railway, highway and various water power passages.
The shield tunnel development machine is called for short shield machine, is a kind of special engineering machinery of tunnel piercing.The operating principle of said shield machine is that a cylindrical steel assembly excavates soil while pushing ahead along tunnel axis.The housing of this cylinder component is a shield, and it plays a part interim support to the also unlined tunnel construction sections of excavating, and bears the pressure and the ground water pressure of soil layer on every side.Operations such as the excavation of said shield machine, casting, lining cutting are carried out under the shielding of shield.
The tunnel that said shield machine excavates carries out lining cutting by shield duct piece, and said shield duct piece is the main mounting structure of shield-tunneling construction, is the outermost layer barrier in tunnel, is bearing the effect of resisting soil layer pressure, groundwater pressure and other special loads.
Generally; When said shield machine carries out tunnelling, carry out lining cutting, need the section of jurisdiction continuously be transported in the tunnel that has just excavated excavating the tunnel of accomplishing; The process of transporting of said section of jurisdiction is accomplished by special machinery usually, i.e. segment conveyor.
Please refer to Fig. 1, Fig. 1 is a kind of vertical view of typical segment conveyor structure.
Said segment conveyor comprises mobile platform 01, support platform 02, pushes up and stretch hydraulic cylinder group 03 and traction fluid cylinder pressure group 04; Said mobile platform 01 movably is installed on the said support platform 02; The both sides that hydraulic cylinder group 03 is positioned on the said support platform 02 and is positioned at said mobile platform 01 are stretched on said top; Said traction fluid cylinder pressure group 04 is positioned at said mobile platform 01 downside, and its flexible end is connected with said support platform 02 with said mobile platform 01 respectively with root.
When said segment conveyor is worked, section of jurisdiction 05 is placed on the said mobile platform 01, extends said traction fluid cylinder pressure group 04; Said mobile platform 01 reach; Operate said top and stretch the said section of jurisdiction 05 of hydraulic cylinder group 03 jack-up, said traction fluid cylinder pressure group 04 is resetted, stretch hydraulic cylinder group 03 on the said top of operation said section of jurisdiction 05 is placed on the said mobile platform 01; Repeat said process afterwards, extend said traction fluid cylinder pressure group 04 once more.
Above-mentioned segment conveyor is in the process of carrying said section of jurisdiction 05, and the distance of said section of jurisdiction 05 each reach receives the restriction of said traction fluid cylinder pressure group 04, and whole transportation process is step conveying, and more complicated and efficient are not high.
Therefore, how realizing that said segment conveyor continuous high-efficient transports the section of jurisdiction, is that those skilled in the art are badly in need of the technical problem that solves at present.
Summary of the invention
The purpose of this invention is to provide a kind of segment conveyor, the conveying section of jurisdiction that this segment conveyor can continuous high-efficient.
In order to solve the problems of the technologies described above, the invention provides a kind of segment conveyor, comprise motor, transmission device and mobile device, said mobile device is the cylinder that plurality of parallel is provided with, said motor drives said cylinder through said transmission device and rotates continuously.
Preferably, said mobile device has the said cylinder that a row is set up in parallel at least, and said cylinder is arranged on the longitudinal midline of said segment conveyor.
Preferably, said mobile device is the said cylinders of two rows, and the longitudinal midline of the said relatively segment conveyor of the two said cylinders of row is symmetrical set.
Preferably, said cylinder is taper, and the small end of said tapered cylinder is towards said longitudinal centre line.
Preferably, said tapered cylinder is a roller.
Preferably, said segment conveyor also comprises baffle plate, and said baffle plate is positioned at said segment conveyor end.
Preferably, said transmission device comprises drive and driving-chain, said drive respectively with said cylinder and said motor coaxle, said driving-chain cooperates with said drive.
Preferably, said transmission device also comprises regulating wheel, and said regulating wheel is positioned at said driving-chain inboard or the outside cooperates with said driving-chain.
Preferably, said driving-chain is a chain, and said drive and said regulating wheel are sprocket wheel.
Preferably, said driving-chain is a belt, and said drive and said regulating wheel are belt pulley.
Segment conveyor provided by the invention comprises motor, transmission device and mobile device, and said mobile device is the cylinder that plurality of parallel is provided with, and said motor drives said cylinder through said transmission device and rotates continuously.
When said segment conveyor transports the section of jurisdiction, said section of jurisdiction is placed on the said cylinder, the continuous rotation of said cylinder can be carried said section of jurisdiction continuously.The process of carrying said section of jurisdiction is continuous, compares with step conveying, and the process of conveying is fairly simple, and efficient is than higher.
In a kind of mode, said mobile device has the said cylinder that a row is set up in parallel at least, and said cylinder is arranged on the longitudinal midline of said segment conveyor.
Some said cylinders are set up in parallel on the longitudinal centre line of said segment conveyor; The bottom of said section of jurisdiction contacts with said cylinder; Frictional force between the bottom of said section of jurisdiction and the said cylinder makes said section of jurisdiction move along with the rotation of said cylinder, up to said section of jurisdiction is moved to definite position.
In the another kind of mode, said mobile device is the said cylinders of two rows, and the longitudinal midline of the said relatively segment conveyor of the two said cylinders of row is symmetrical set.
The cylinder of said segment conveyor can be more than a row, longitudinal centre line that can said relatively segment conveyor is symmetrical set the said cylinder of two rows.Said section of jurisdiction is placed on the said cylinder of two rows, and the said cylinder of two rows rotates the said section of jurisdiction of common conveying simultaneously.
In a kind of preferred mode, said cylinder is taper, and the small end of said tapered cylinder is towards said longitudinal centre line.
According to the convex structure of said section of jurisdiction, the said cylinder of two rows can be tapered cylinder, and the small end of said tapered cylinder is relative.When said section of jurisdiction was placed on the said tapered cylinder, the contact area of said tapered cylinder and bottom surface, said section of jurisdiction was bigger.Can the tapering of said tapered cylinder be set according to the radian of the said section of jurisdiction that will carry, make to have maximum contact area between said tapered cylinder and the bottom surface, said section of jurisdiction as far as possible.
Further in the mode, said segment conveyor also comprises baffle plate, and said baffle plate is positioned at said segment conveyor end.
When said section of jurisdiction was transported to said segment conveyor end, operating personnel can take it away, if operating personnel in time do not take said section of jurisdiction away, said baffle plate can stop that said section of jurisdiction makes it continue to be positioned on the said segment conveyor, and it is accidents caused can not drop.
In the another kind of preferred mode, said transmission device comprises drive and driving-chain, said drive respectively with said cylinder and said motor coaxle, said driving-chain cooperates with said drive.
Said transmission device is chain drive, and driving-chain cooperates with said drive, said drive respectively with said cylinder and said motor coaxle.Said motor rotates to drive and rotates with its coaxial moving runner; Drive said driving-chain then; Said driving-chain moves and drives all drives that are mated and all rotates; Said drive drives and rotates with its coaxial cylinder, and the rotation of said cylinder can realize the conveying to said section of jurisdiction.
In the further preferred mode, said transmission device also comprises regulating wheel, and said regulating wheel is positioned at said driving-chain inboard or the outside cooperates with said driving-chain.
Said regulating wheel also cooperates with said driving-chain, when said driving-chain is lax it is played the effect of tensioning, can be positioned at the inboard of said driving-chain, also can be positioned at the outside.
Description of drawings
Fig. 1 is a kind of vertical view of typical segment conveyor structure;
Fig. 2 is the front view of a kind of specific embodiment of segment conveyor that the embodiment of the invention provided;
Fig. 3 is the vertical view of segment conveyor shown in Figure 2;
Fig. 4 is the lateral view of segment conveyor shown in Figure 2.
The specific embodiment
Core of the present invention provides a kind of segment conveyor, the conveying section of jurisdiction that this segment conveyor can continuous high-efficient.
In order to make those skilled in the art person understand the present invention program better, the present invention is done further detailed description below in conjunction with the accompanying drawing and the specific embodiment.
Please refer to Fig. 2 to Fig. 4, Fig. 2 is the front view of a kind of specific embodiment of segment conveyor that the embodiment of the invention provided, and Fig. 3 is the vertical view of segment conveyor shown in Figure 2, and Fig. 4 is the lateral view of segment conveyor shown in Figure 2.
In a kind of concrete embodiment; The invention provides a kind of segment conveyor; Comprise motor 1, transmission device 3 and mobile device 2, the cylinder 21 that said mobile device 2 is provided with for plurality of parallel, said motor 1 drives said cylinder 21 through said transmission device 3 and rotates continuously.
When said segment conveyor transports the section of jurisdiction, said section of jurisdiction 5 is placed on the said cylinder 21, the continuous rotation of said cylinder 21 can be carried said section of jurisdiction 5 continuously.The process of carrying said section of jurisdiction 5 is continuous, compares with step conveying, and the process of conveying is fairly simple, and efficient is than higher.
Has frictional force between the contact surface of said section of jurisdiction 5 and said cylinder 21 and the said cylinder 21; Said frictional force is static friction; Do not slide relatively between said cylinder 21 and the said section of jurisdiction 5, said section of jurisdiction 5 is in said cylinder 21 rotating process, and constantly the rotation direction to said cylinder 21 moves; Constantly contact the said cylinder 21 of its moving direction front in 5 moving process of said section of jurisdiction, put in place up to said section of jurisdiction 5 is carried.
In a kind of concrete embodiment, said mobile device 2 has the said cylinder 21 that a row is set up in parallel at least, and said cylinder 21 is arranged on the longitudinal midline 6 of said segment conveyor.
Some said cylinders 21 are set up in parallel on the longitudinal centre line 6 of said segment conveyor; The bottom of said section of jurisdiction 5 contacts with said cylinder 21; Frictional force between the bottom of said section of jurisdiction 5 and the said cylinder 21 makes said section of jurisdiction 5 move along with the rotation of said cylinder 21, up to said section of jurisdiction 5 is moved to definite position.
Can said cylinder 21 be set with cross central line and the said longitudinal centre line of the said cylinder 21 of a row 6 are overlapping, also can make said cross central line and said longitudinal centre line 6 not overlapping.Each said cylinder 21 can be neat being set up in parallel, and the one section less distance that also can stagger at the direction of axis line of said cylinder 21 is set up in parallel.The rotation direction that can guarantee said cylinder 21 is the throughput direction of said section of jurisdiction 5, and the mounting means of the said section of jurisdiction 5 said cylinder 21 that can be on each said cylinder 21 be transmitted all is fine.
In the another kind of concrete embodiment, said mobile device 2 is that the longitudinal midline 6 of the said relatively segment conveyor of said cylinder 21, the two said cylinders 21 of row of two rows is symmetrical set.
The cylinder 21 of said segment conveyor can be more than a row, longitudinal centre line 6 that can said relatively segment conveyor is symmetrical set the said cylinder 21 of two rows.Said section of jurisdiction 5 is placed on the said cylinder 21 of two rows, and the said cylinder 21 of two rows rotates the common said section of jurisdiction 5 of carrying simultaneously.
The said cylinder 21 of two rows can be by a said motor 1 as power source, and a said motor 1 can drive the said cylinder 21 of two rows simultaneously through a transmission mechanism and rotate.The said cylinder 21 of two rows also can be respectively by different said motors 1 as power source, starting simultaneously or close two said motors 1 can be so that the said cylinder 21 of two rows rotates simultaneously.
Certainly, the set-up mode of said cylinder 21 not only is confined to a row or two rows, also is fine more than two rows; The quantity of said motor 1 neither be fixed, and the quantity of said motor 1 can be set according to the situation that specifically is provided with of said cylinder 21.
Further in the embodiment, said cylinder is taper, and said cylinder 21 is taper, and the small end of said tapered cylinder 22 is towards said longitudinal centre line.
According to the convex structure of said section of jurisdiction 5, the said cylinder 21 of two rows can be tapered cylinder 22, and the small end of said tapered cylinder 22 is relative.Said section of jurisdiction 5 is placed on 22 last times of said tapered cylinder, and said tapered cylinder 22 is bigger with the contact area of 5 bottom surfaces, said section of jurisdiction.Can the tapering of said tapered cylinder 22 be set according to the radian of the said section of jurisdiction 5 that will carry, make to have maximum contact area between said tapered cylinder 22 and 5 bottom surfaces, said section of jurisdiction as far as possible.
The said relatively longitudinal centre line 6 of the two said tapered cylinders 22 of row is symmetrical set; The small end of said tapered cylinder 22 is towards said longitudinal centre line 6; The side of relative said tapered cylinder 22 is for what tilt, and the side of inclination and said section of jurisdiction 5 bottom surface contacts area are bigger.Said contact area can increase the frictional force between said section of jurisdiction 5 and the said cylinder 21 greatly.
Cylindrical barrel 21 relative tilt settings also can be increased said contact area, but need be provided with the transmission device 3 of said motor 1 especially or said motor 1 also is obliquely installed this moment.
Obviously, said mobile device 2 not only is confined to the described situation of the foregoing description, and the set-up mode of other forms of said cylinder 21 and said cylinder 21 also is fine.
In the further preferred embodiment, said tapered cylinder 22 is a roller.
Said section of jurisdiction 5 has certain rigidity and quality usually; Said section of jurisdiction 5 is placed on the said cylinder 21 and by said cylinder 21 and carries; Then said cylinder 21 also need have certain rigidity and hardness, can guarantee that said cylinder 21 can not damaged and have certain abrasion resistance by the extruding of said section of jurisdiction 5.
Said roller is made through a series of special technologies, has enough rigidity, enough hardness and certain roughness, is fit to very much the job requirement of said segment conveyor.
Obviously, said cylinder 21 not only is confined to roller, and other materials with certain rigidity and hardness also can be used in the present invention.
In another preferred embodiment, said segment conveyor also comprises baffle plate 4, and said baffle plate 4 is positioned at said segment conveyor end.
When said section of jurisdiction 5 is transported to said segment conveyor end; Operating personnel can take it away; If operating personnel in time do not take said section of jurisdiction 5 away, said baffle plate 4 can stop that said section of jurisdiction 5 makes it continue to be positioned on the said segment conveyor, and it is accidents caused can not drop.
When said baffle plate 4 stopped said section of jurisdiction 5, the frictional force between said section of jurisdiction 5 and the said baffle plate 4 transferred sliding friction to by static friction, and said section of jurisdiction 5 can all rest on the said segment conveyor.When the long-pending playing function of above-mentioned said segment conveyor can make the said section of jurisdiction 5 of front stop, the said section of jurisdiction 5 of back still can continue to carry.
In the another kind of concrete embodiment, said transmission device 3 comprises drive 31 and driving-chain 32, and said drive 31 is coaxial with said cylinder 21 and said motor 1 respectively, and said driving-chain 32 cooperates with said drive 31.
Said transmission device 3 is chain drive, and driving-chain 32 cooperates with said drive 31, and said drive 31 is coaxial with said cylinder 21 and said motor 1 respectively.Said motor 1 rotates to drive with its coaxial moving runner 31 and rotates; Drive said driving-chain 32 then; Said driving-chain 32 moves and drives all drives that are mated 31 and all rotates; Said drive 31 drives with its coaxial cylinder 21 and rotates, and the rotation of said cylinder 21 can realize the conveying to said section of jurisdiction 5.
In the further concrete embodiment, said transmission device also comprises regulating wheel, and said transmission device 3 also comprises regulating wheel 33, and said regulating wheel 33 is positioned at said driving-chain 32 inboards or the outside cooperates with said driving-chain 32.
Said regulating wheel 33 also cooperates with said driving-chain 32, and said driving-chain 32 can play the effect of tensioning when relaxing, and can be positioned at the inboard of said driving-chain 32, also can be positioned at the outside of said driving-chain 32.
Said regulating wheel 33 can when relaxing appears in said driving-chain 32, be installed said regulating wheel 33 for dismountable, can play the effect of tensioning to said driving-chain 32.Said regulating wheel 33 can be set to adjustable positions, and the position of said regulating wheel 33 can be set according to the relax level of said driving-chain 32, said driving-chain 32 is played the effect of tensioning.
A said regulating wheel 33 can only be set, also can between per two said cylinders 21, a said regulating wheel 33 be set all, also can only between the said cylinder 21 of part, said regulating wheel 33 be set.The set-up mode of said regulating wheel 33 can satisfy for said driving-chain 32 tensionings and gets final product.
In the further preferred embodiment, said driving-chain 32 is a chain, and said drive 31 is sprocket wheel with said regulating wheel 33.
In another preferred embodiment, said driving-chain 32 is a belt, and said drive 31 is belt pulley with said regulating wheel 33.
Certainly; Said transmission device 2 not only is confined to the described situation of the foregoing description, and said transmission device 2 can also be other forms of transmission mechanism, for example; What be connected with said motor 1 is chain drive, and said chain drive drives said cylinder 21 through gear drive.
In sum, in above-mentioned each embodiment, said motor 1 can be the motor of various models, can select direct current generator or alternating current generator for use according to the working power of said segment conveyor; Can also select synchronous motor or asynchronous machine for use according to concrete operating mode; Replace said motor 1 also to be fine with other dynamical elements, for example hydraulic motor.
More than segment conveyor provided by the present invention has been carried out detailed introduction.Used concrete example among this paper principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (10)
1. segment conveyor; Comprise motor (1), transmission device (3) and mobile device (2); It is characterized in that, the cylinder (21) that said mobile device (2) is provided with for plurality of parallel, said motor (1) drives said cylinder (21) through said transmission device (3) and rotates continuously.
2. segment conveyor as claimed in claim 1 is characterized in that, said mobile device (2) has the said cylinder (21) that a row is set up in parallel at least, and said cylinder (21) is arranged on the longitudinal midline (6) of said segment conveyor.
3. segment conveyor as claimed in claim 2 is characterized in that, said mobile device (2) is two row's said cylinders (21), and the longitudinal midline (6) of the said relatively segment conveyor of two row's said cylinders (21) is symmetrical set.
4. segment conveyor as claimed in claim 3 is characterized in that, said cylinder (21) is taper, and the small end of said tapered cylinder (22) is towards said longitudinal centre line.
5. segment conveyor as claimed in claim 4 is characterized in that, said tapered cylinder (22) is a roller.
6. like each described segment conveyor of claim 1 to 5, it is characterized in that said segment conveyor also comprises baffle plate (4), said baffle plate (4) is positioned at said segment conveyor end.
7. segment conveyor as claimed in claim 6; It is characterized in that; Said transmission device (3) comprises drive (31) and driving-chain (32), and said drive (31) is coaxial with said cylinder (21) and said motor (1) respectively, and said driving-chain (32) cooperates with said drive (31).
8. segment conveyor as claimed in claim 7 is characterized in that, said transmission device (3) also comprises regulating wheel (33), and said regulating wheel (33) is positioned at said driving-chain (32) inboard or the outside cooperates with said driving-chain (32).
9. segment conveyor as claimed in claim 8 is characterized in that, said driving-chain (32) is a chain, and said drive (31) and said regulating wheel (33) are sprocket wheel.
10. segment conveyor as claimed in claim 8 is characterized in that, said driving-chain (32) is a belt, and said drive (31) and said regulating wheel (33) are belt pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110409992XA CN102518455A (en) | 2011-12-09 | 2011-12-09 | Pipe sheet conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110409992XA CN102518455A (en) | 2011-12-09 | 2011-12-09 | Pipe sheet conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102518455A true CN102518455A (en) | 2012-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110409992XA Pending CN102518455A (en) | 2011-12-09 | 2011-12-09 | Pipe sheet conveyer |
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| Country | Link |
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| CN (1) | CN102518455A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303685A (en) * | 2014-11-13 | 2015-01-28 | 重庆奥源动力机械有限公司 | Hydraulic portable excavation mechanism for potato harvester |
| CN104350866A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Hydraulic adjustable digging mechanism for potato harvester |
| CN104350871A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Portable digging mechanism for potato harvester |
| CN104350861A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Adjustable digging mechanism for potato harvesting machine |
| CN104365257A (en) * | 2014-11-13 | 2015-02-25 | 重庆奥源动力机械有限公司 | Adjustable digging separation device for potato harvester |
| CN104365259A (en) * | 2014-11-13 | 2015-02-25 | 重庆奥源动力机械有限公司 | Adjustable hydraulic digging separation device for potato harvester |
| CN104879143A (en) * | 2015-06-16 | 2015-09-02 | 北方重工集团有限公司 | Compact hydraulic drive type segment storing and transporting mechanism |
| CN105951829A (en) * | 2016-06-27 | 2016-09-21 | 中山市川上智能设备有限公司 | Efficient energy saving pile braking machine |
| CN107117026A (en) * | 2017-01-10 | 2017-09-01 | 辽宁三三工业有限公司 | Car owner's drive system is transported in section of jurisdiction |
| CN113818909A (en) * | 2021-09-23 | 2021-12-21 | 辽宁三三工业有限公司 | Chain type shield machine feeding device |
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| JPH09264100A (en) * | 1996-03-29 | 1997-10-07 | Komatsu Ltd | Segment carrying-in device and method |
| JPH1162496A (en) * | 1997-08-21 | 1999-03-05 | Kuroda Tekkosho:Kk | Segment carrying device in shield machine |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104303685A (en) * | 2014-11-13 | 2015-01-28 | 重庆奥源动力机械有限公司 | Hydraulic portable excavation mechanism for potato harvester |
| CN104350866A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Hydraulic adjustable digging mechanism for potato harvester |
| CN104350871A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Portable digging mechanism for potato harvester |
| CN104350861A (en) * | 2014-11-13 | 2015-02-18 | 重庆奥源动力机械有限公司 | Adjustable digging mechanism for potato harvesting machine |
| CN104365257A (en) * | 2014-11-13 | 2015-02-25 | 重庆奥源动力机械有限公司 | Adjustable digging separation device for potato harvester |
| CN104365259A (en) * | 2014-11-13 | 2015-02-25 | 重庆奥源动力机械有限公司 | Adjustable hydraulic digging separation device for potato harvester |
| CN104879143A (en) * | 2015-06-16 | 2015-09-02 | 北方重工集团有限公司 | Compact hydraulic drive type segment storing and transporting mechanism |
| CN105951829A (en) * | 2016-06-27 | 2016-09-21 | 中山市川上智能设备有限公司 | Efficient energy saving pile braking machine |
| CN107663862A (en) * | 2016-06-27 | 2018-02-06 | 中山市川上智能设备有限公司 | A kind of energy-efficient broken stake machine |
| CN105951829B (en) * | 2016-06-27 | 2018-05-01 | 中山市川上智能设备有限公司 | A kind of energy-efficient broken stake machine |
| CN107117026A (en) * | 2017-01-10 | 2017-09-01 | 辽宁三三工业有限公司 | Car owner's drive system is transported in section of jurisdiction |
| CN113818909A (en) * | 2021-09-23 | 2021-12-21 | 辽宁三三工业有限公司 | Chain type shield machine feeding device |
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Application publication date: 20120627 |