CN110587807A - Hanging belt type lining machine and working method thereof - Google Patents

Hanging belt type lining machine and working method thereof Download PDF

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Publication number
CN110587807A
CN110587807A CN201910819114.1A CN201910819114A CN110587807A CN 110587807 A CN110587807 A CN 110587807A CN 201910819114 A CN201910819114 A CN 201910819114A CN 110587807 A CN110587807 A CN 110587807A
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CN
China
Prior art keywords
station
socket
chamfering
lining
ceiling
Prior art date
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Granted
Application number
CN201910819114.1A
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Chinese (zh)
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CN110587807B (en
Inventor
吴灵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Shenao Machinery Engineering Co Ltd
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Zhejiang Shenao Machinery Engineering Co Ltd
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Priority to CN201910819114.1A priority Critical patent/CN110587807B/en
Publication of CN110587807A publication Critical patent/CN110587807A/en
Application granted granted Critical
Publication of CN110587807B publication Critical patent/CN110587807B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/04Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of metal, e.g. skate blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00General arrangement or layout of plant ; Industrial outlines or plant installations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28BSHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0023Lining the inner wall of hollow objects, e.g. pipes

Abstract

The invention relates to a hanging belt type lining machine and a working method thereof, belonging to the field of lining machines. The device comprises a stepping beam, and a socket chamfering station, an upper socket end cap station, a lining station, a socket unloading end cap station, an inspection station and a hoisting station which are sequentially arranged, wherein the inspection station and the hoisting station are sequentially arranged behind the socket unloading end cap station, and the socket chamfering station, the upper socket end cap station, the lining station, the socket unloading end cap station and the inspection station are all transmitted through the stepping beam. The invention has simple and reasonable structural design, safety and reliability, ensures that the slurry in the casting pipe is uniform, has high working efficiency, reduces the labor cost and improves the automatic production.

Description

Hanging belt type lining machine and working method thereof
Technical Field
The invention relates to a lining machine and a lining method, in particular to a hanging belt type lining machine and a working method thereof, and belongs to the field of lining machines.
Background
After the casting of the cast pipe is finished, centrifugal lining is carried out inside the cast pipe, namely cement mortar is centrifugally coated on the inner wall of the cast pipe to form a lining layer, so that the whole process of casting the pipe can be finished.
Therefore, the quality of the centrifugal lining cement mortar lining on the inner wall of the cast pipe directly affects the use quality of the cast pipe, and a cement lining machine adopted when the cast pipe is lined becomes a key device.
Burrs are produced on the cast pipe due to mechanical processing, so that the cast pipe is convenient to assemble, and chamfers are required to be formed at the socket of the cast pipe; in a common chamfering method, a cast pipe is manually placed at a chamfering and polishing device, the precision of manual operation is poor, the angle of a chamfering motor cannot be positioned, the chamfering angles are different in size, the polishing force is not easy to control, the width of the chamfering surface is different, and adverse effects are brought to the appearance quality of the cast pipe; the manual pipe feeding speed is low, the labor intensity is high, the production efficiency is low, the labor cost is high, and a great deal of inconvenience is brought to a user.
The inner wall of the casting pipe is lined with cement mortar, and the aim is to improve the strength and the corrosion resistance of the casting pipe.
The invention discloses an invention patent named as a metal pipe cement mortar lining machine in Chinese patent with publication number 103624874B, publication number is 2015, 12 and 16. The device comprises a metal pipe axial installation device, a metal pipe lifting device, a rotary riding wheel set, an auxiliary lining cylinder and a PLC control cabinet. The metal tube axial installation device is positioned above the metal tube lifting device, the rotary carrier roller group is positioned on the left side of the metal tube axial installation device, the auxiliary lining cylinder is positioned between the two rotary carrier roller groups, and the metal tube axial installation device, the metal tube lifting device and the rotary carrier roller group are controlled by the PLC control cabinet. This patent is placed the pipe fitting and is driven the pipe fitting rotation and carry out the inside lining on the riding wheel subassembly, and the pipe fitting can lead to the pipe fitting vibration or beat when putting the riding wheel subassembly and rotate owing to there being the ovality, leads to casting the inhomogeneous of establishing of the cement mortar lining of intraductal wall.
Therefore, the lining machine which has simple and reasonable structural design, safety and reliability, ensures that the slurry in the cast pipe is uniform, has high working efficiency and reduces the labor cost is particularly necessary.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the hanging belt type lining machine and the working method thereof, wherein the hanging belt type lining machine has the advantages of simple and reasonable structural design, safety and reliability, ensures that slurry in a cast pipe is uniform, has high working efficiency, reduces the labor cost and improves the automatic production.
The technical scheme adopted by the invention for solving the problems is as follows: this suspender formula inside lining machine, including the walking beam, set gradually at terminal inspection station and handling station, its characterized in that: the device is characterized by also comprising a socket chamfering station, an upper bell mouth plug station, a lining station and a bell mouth plug unloading station which are sequentially arranged, wherein an inspection station and a hoisting station are sequentially arranged behind the bell mouth plug unloading station, and the socket chamfering station, the upper bell mouth plug station, the lining station, the bell mouth plug unloading station and the inspection station are all transmitted through a stepping beam; the socket chamfering station comprises a socket chamfering rack, a socket chamfering track, a socket chamfering trolley, a connecting cylinder, a socket chamfering machine and a small catch wheel, wherein the socket chamfering track is arranged on the socket chamfering rack; the lining station comprises a lift assembly, a rack, a lining platform, a normally opening device, a retaining ring locking device, a knocking roller, a socket sealing device and a positioning ring mechanism, wherein the lift assembly is connected with a ground embedded plate, the lining platform, the normally opening device and the knocking roller are connected with the rack, the retaining ring locking device is arranged on a driving device base of a driving device, the driving device base is arranged on the rack, the positioning ring mechanism is fixed on the lift assembly, and the lift assembly can move up and down.
Preferably, the socket chamfering machine comprises a motor, a grinding wheel frame and a grinding wheel lifting cylinder, wherein the grinding wheel is installed on the grinding wheel frame, the motor is fixed on a motor base of a socket chamfering trolley and drives the grinding wheel to act, the grinding wheel lifting cylinder is installed on the socket chamfering trolley, and the grinding wheel lifting cylinder is connected with the grinding wheel frame.
Preferably, the socket chamfering station further comprises a telescopic air pipe, and the upper part of the telescopic air pipe is connected with the socket chamfering trolley.
Preferably, the lining machine further comprises a driving riding wheel and a driven riding wheel, and the socket chamfering station, the upper bellmouth plugging station, the bellmouth unloading plugging station and the inspection station are respectively provided with the driving riding wheel and the driven riding wheel.
Preferably, the lining machine further comprises a limiting stop pillar, the limiting stop pillar is installed on the ground embedded plate, and a photoelectric switch is arranged on the limiting stop pillar.
Preferably, the walking beam is arranged between the driving idler and the driven idler and is used for conveying the cast tube.
Preferably, a material distribution station is further arranged on one side of the lining station, and a movable material distribution trolley is arranged on the material distribution station.
Preferably, the knocking roller in the lining station is provided with a roller and an air bag.
Preferably, a plurality of herringbone protrusions are arranged on the outer arm of the roller.
The invention also provides a working method of the hanging belt type lining machine, which is characterized in that: the method comprises the following steps:
the first step is as follows: conveying the cast pipe to a socket chamfering station through a walking beam, and chamfering the socket of the cast pipe;
the second step is that: after chamfering is finished, the workpiece is conveyed to an upper bellmouth plug station through a walking beam, and plug mounting operation is carried out;
the third step: after the plug is installed, the cast pipe is conveyed to the lining station through the walking beam, and the lifting carrier roller is lifted to axially convey the cast pipe;
the fourth step: conveying the cast pipe to a lifter assembly, and plugging a socket through a socket sealing device;
the fifth step: inflating the socket plug, fixing, returning the socket sealing device through the socket oil cylinder, and moving a material distribution station to distribute the material;
and a sixth step: the retaining ring locking device and the positioning ring mechanism are fixed in place;
the seventh step: the elevator assembly descends, the driving device drives the elevator assembly to rotate the cast tube, and the outer arm of the cast tube is pressed tightly through the beating roller to beat the cast tube, so that the required requirements are met.
Compared with the prior art, the invention has the following advantages and effects: the whole structure is simple and reasonable in design, safe and reliable, so that slurry in the casting pipe is uniform, the working efficiency is high, and the automatic production is improved; the motor of the socket chamfering station drives a grinding wheel of the socket chamfering machine on the socket chamfering trolley to perform rotary chamfering through a belt, so that the rotary chamfering machine is safe and reliable, high in working efficiency and accurate in chamfering; a plurality of herringbone protrusions are arranged on the outer roller arm of the knocking roller; knocking the cast pipe under high-speed rotation to enable the cement in the cast pipe to be firm; the air bag controls the upper air bag and the lower air bag through the pressure reducing valve, the pressure of the beating roller on the outer arm of the cast pipe is set, and the use requirement is met.
Drawings
Fig. 1 is a schematic top view of the embodiment of the present invention.
Fig. 2 is a schematic diagram of the a-a liner station of fig. 1.
Fig. 3 is a partially enlarged schematic view of fig. 2.
Fig. 4 is a first structural schematic diagram of a tapping roller of a lining station according to an embodiment of the present invention.
Fig. 5 is a second structural schematic diagram of a knocking roller of the lining station according to the embodiment of the invention.
Fig. 6 is a schematic structural view of a B-B socket chamfering station in fig. 1.
Fig. 7 is a schematic view of the structure in the direction D in fig. 6.
Fig. 8 is a schematic view of the structure in the direction C in fig. 1.
In the figure: a lining station 1, a socket chamfering station 2, an upper bellmouth choke plug station 3, a bellmouth choke plug unloading station 4, an inspection station 5, a lifting station 6, a driving riding wheel 7, a driven riding wheel 8, a walking beam 9, a material distribution station 10, a material distribution trolley 11, a material distribution rail 12 and a limit stop column 13,
lining station 1: the device comprises lifting carrier rollers 1-1, a lifter assembly 1-2, a driving device 1-3, a rack 1-4, a lining platform 1-5, a normal-opening device 1-6, a retaining ring locking device 1-7, a knocking roller 1-8, a socket sealing device 1-9, a positioning ring mechanism 1-10, a driving device base 1-11, guardrails 1-12, reinforcing rib plates 1-13, air bags 1-14, rollers 1-15, socket oil cylinders 1-16, socket plugs 1-17, opening oil cylinders 1-18 and herringbone protrusions 1-19;
socket chamfering station 2: the device comprises a socket chamfering machine 2-1, a socket chamfering rack 2-2, a socket chamfering track 2-3, a connecting cylinder 2-4, a socket chamfering trolley 2-5, a telescopic air pipe 2-6, a motor 2-7, a grinding wheel 2-8, a grinding wheel frame 2-9, a grinding wheel lifting cylinder 2-10, a small catch wheel 2-11, a hinge shaft 2-12 and a balancing weight 2-13.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 8, the hanging belt type lining machine of the embodiment includes a walking beam 9, a socket chamfering station 2, an upper bellmouth plug station 3, a lining station 1, a bellmouth plug unloading station 4, an inspection station 5 and a hoisting station 6, which are sequentially arranged, wherein the socket chamfering station 2, the upper bellmouth plug station 3, the lining station 1, the bellmouth plug unloading station 4 and the inspection station 5 are all transmitted through the walking beam; the upper part of the telescopic air pipe is connected with the socket chamfering trolley.
The socket chamfering station 2, the upper bellmouth plug station 3, the bellmouth plug unloading station 4 and the inspection station 5 of the embodiment are all provided with a driving riding wheel 7 and a driven riding wheel 8.
The limiting bumping post 13 of the embodiment is arranged on the ground embedded plate, and the limiting bumping post 13 is provided with a photoelectric switch.
The walking beam 9 of the present embodiment is arranged between the driving idler 7 and the driven idler 8, and the walking beam 9 is used for conveying the cast tube.
The lining station 1 side of this embodiment still sets up cloth station 10, sets up mobilizable cloth dolly 11 on this cloth station 10, and cloth dolly 11 is established on cloth track 12.
The lining station 1 of the embodiment comprises an elevator assembly 1-2, a rack 1-4, a lining platform 1-5, a normally-opening device 1-6, a baffle ring locking device 1-7, a tapping roller 1-8, a socket sealing device 1-9 and a positioning ring mechanism 1-10, wherein the elevator assembly 1-2 is connected with the rack 1-4, the lining platform 1-5, the normally-opening device 1-6, the tapping roller 1-8, the socket sealing device 1-9 are all connected with the rack 1-4, the baffle ring locking device 1-7 is arranged on a driving device base 1-11 of a driving device 1-3, the driving device base 1-11 is arranged on the frame 1-4, the positioning ring mechanism 1-10 is fixed on the elevator assembly 1-2, and the up-and-down action is realized through the elevator assembly 1-2.
The outer sides of the lining platforms 1-5 of the embodiment are provided with guardrails 1-12; the reinforcing rib plates 1-13 are connected with the driving device base 1-11 and the frame 1-4
The lifting carrier roller 1-1 of the embodiment is connected with a lifter assembly 1-2; the elevator assembly 1-2 is fixed on the ground embedded plate and is fixed through welding.
The socket sealing device 1-9 of the embodiment comprises a socket oil cylinder 1-16 and a socket plug 1-17 which are matched with each other.
The beating rollers 1-8 of the embodiment are provided with rollers 1-15 and air bags 1-14 arranged up and down, and the outer arms of the rollers 1-15 are provided with a plurality of herringbone protrusions 1-19; and knocking the cast pipe under high-speed rotation to make the cement in the cast pipe firm.
In the air bags 1 to 14 of the present embodiment, the upper and lower air bags 1 to 14 are controlled by the pressure reducing valve, the pressure on the outer arm of the tapping roller 1 to 8 tapping casting pipe is set, and the frequency of the heavy setting is set to be high
The constant-expansion device 1-6 of the embodiment adopts the expansion oil cylinder 1-18 to realize extension, and the belt is expanded through the constant-expansion device 1-6, so that the cast pipe can penetrate through the belt conveniently.
The socket chamfering station 2 of the embodiment comprises a socket chamfering rack 2-2, a socket chamfering track 2-3, a socket chamfering trolley 2-5, a socket chamfering machine 2-1 and a small catch wheel 2-11, wherein the socket chamfering track 2-3 is arranged on the socket chamfering rack 2-2, the socket chamfering trolley 2-5 is movably arranged on the socket chamfering track 2-3, and the socket chamfering machine 2-1 is arranged on the socket chamfering trolley 2-5.
The socket chamfering machine 2-1 of the embodiment comprises a motor 2-7, a grinding wheel 2-8, a grinding wheel frame 2-9 and a grinding wheel lifting cylinder 2-10, wherein the grinding wheel 2-8 is installed on the grinding wheel frame 2-9, the motor 2-7 is fixed on a motor base of a socket chamfering trolley 2-5, the motor 2-7 drives the grinding wheel 2-8 to act, the grinding wheel lifting cylinder 2-10 is installed on the socket chamfering trolley 2-5, the grinding wheel lifting cylinder 2-10 is connected with the grinding wheel frame 2-9, and a small blocking wheel 2-11 is installed on the socket chamfering trolley 2-5 and used for positioning.
The socket chamfering trolley 2-5 of the embodiment is connected with the rack through the connecting cylinder 2-4, and the socket chamfering trolley 2-5 is driven to run on the rack.
The upper portion of the telescopic air pipe 2-6 is connected with the socket chamfering trolley 2-5, the telescopic air pipe 2-6 adopts a telescopic structure and moves along with the socket chamfering trolley 2-5, and the telescopic air pipe 2-6 is welded with an embedded plate on the ground.
The grinding wheel frame 2-9 of the embodiment is fixed with the socket chamfering trolley 2-5 through a hinge shaft 2-12; the socket chamfering machine 2-1 is provided with a balancing weight 2-13 which is selected and configured according to actual conditions.
The motor 2-7 of the embodiment drives the grinding wheel 2-8 to rotate and chamfer through a belt.
When the socket chamfering station 1 works, the connecting cylinder 2-4 works to drive the socket chamfering trolley 2-5 to act, the small catch wheel 2-11 leans against the socket of the upper cast tube, then the grinding wheel lifting cylinder 2-10 acts to drive the grinding wheel 2-8 to rise, and the grinding wheel 2-8 rotates to chamfer.
The working process of the sling type lining machine of the embodiment is as follows:
the first step is as follows: conveying the cast pipe to a socket chamfering station 1 through a walking beam 9, and chamfering the socket of the cast pipe;
the second step is that: after chamfering is finished, the workpiece is conveyed to the upper bellmouth plug station 3 through the walking beam 9, and plug mounting operation is carried out;
the third step: after the plug is installed, the cast pipe is conveyed to the lining station 1 through the walking beam 9, and the lifting carrier roller is lifted to axially convey the cast pipe;
the fourth step: conveying the cast pipe to a lifter assembly, and plugging a socket through a socket sealing device;
the fifth step: inflating the faucet plug, fixing, returning the faucet sealing device through the faucet oil cylinder, and moving the material distribution station 10 to distribute the material;
and a sixth step: the retaining ring locking device and the positioning ring mechanism are fixed in place;
the seventh step: the elevator assembly descends, the driving device drives the elevator assembly to rotate the cast tube, and the outer arm of the cast tube is pressed tightly through the beating roller to beat the cast tube, so that the required requirements are met.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. The utility model provides a suspender formula inside lining machine, includes the walking beam, sets gradually at terminal inspection station and handling station, its characterized in that: the device is characterized by also comprising a socket chamfering station, an upper bell mouth plug station, a lining station and a bell mouth plug unloading station which are sequentially arranged, wherein an inspection station and a hoisting station are sequentially arranged behind the bell mouth plug unloading station, and the socket chamfering station, the upper bell mouth plug station, the lining station, the bell mouth plug unloading station and the inspection station are all transmitted through a stepping beam; the socket chamfering station comprises a socket chamfering rack, a socket chamfering track, a socket chamfering trolley, a connecting cylinder, a socket chamfering machine and a small catch wheel, wherein the socket chamfering track is arranged on the socket chamfering rack; the lining station comprises a lift assembly, a rack, a lining platform, a normally opening device, a retaining ring locking device, a knocking roller, a socket sealing device and a positioning ring mechanism, wherein the lift assembly is connected with a ground embedded plate, the lining platform, the normally opening device and the knocking roller are connected with the rack, the retaining ring locking device is arranged on a driving device base of a driving device, the driving device base is arranged on the rack, the positioning ring mechanism is fixed on the lift assembly, and the lift assembly can move up and down.
2. The ceiling-mounted lining machine of claim 1, wherein: the socket chamfering machine comprises a motor, a grinding wheel frame and a grinding wheel lifting cylinder, wherein the grinding wheel is installed on the grinding wheel frame, the motor is fixed on a motor base of a socket chamfering trolley, the motor drives the grinding wheel to act, the grinding wheel lifting cylinder is installed on the socket chamfering trolley, and the grinding wheel lifting cylinder is connected with the grinding wheel frame.
3. The ceiling-mounted lining machine of claim 1, wherein: the socket chamfering station further comprises a telescopic air pipe, and the upper portion of the telescopic air pipe is connected with the socket chamfering trolley.
4. The ceiling-mounted lining machine of claim 1, wherein: the lining machine further comprises a driving supporting wheel and a driven supporting wheel, and the socket chamfering station, the upper bellmouth plug station, the bellmouth plug unloading station and the inspection station are all provided with the driving supporting wheel and the driven supporting wheel.
5. The ceiling-mounted lining machine of claim 1, wherein: the lining machine further comprises a limiting stop post, the limiting stop post is arranged on the ground embedded plate, and a photoelectric switch is arranged on the limiting stop post.
6. The ceiling-mounted lining machine of claim 1, wherein: the walking beam is arranged between the driving supporting wheel and the driven supporting wheel and is used for conveying the cast tube.
7. The ceiling-mounted lining machine of claim 1, wherein: and a cloth station is further arranged on one side of the lining station, and a movable cloth trolley is arranged on the cloth station.
8. The ceiling-mounted lining machine according to claim 1 or 7, wherein: and a beating roller in the lining station is provided with a roller and an air bag.
9. The ceiling-mounted lining machine of claim 8, wherein: a plurality of herringbone protrusions are arranged on the outer arm of the roller.
10. A method of operating a ceiling-mounted lining machine, using the ceiling-mounted lining machine of any one of claims 1 to 9, characterized by: the method comprises the following steps:
the first step is as follows: conveying the cast pipe to a socket chamfering station through a walking beam, and chamfering the socket of the cast pipe;
the second step is that: after chamfering is finished, the workpiece is conveyed to an upper bellmouth plug station through a walking beam, and plug mounting operation is carried out;
the third step: after the plug is installed, the cast pipe is conveyed to the lining station through the walking beam, and the lifting carrier roller is lifted to axially convey the cast pipe;
the fourth step: conveying the cast pipe to a lifter assembly, and plugging a socket through a socket sealing device;
the fifth step: inflating the socket plug, fixing, returning the socket sealing device through the socket oil cylinder, and moving a material distribution station to distribute the material;
and a sixth step: the retaining ring locking device and the positioning ring mechanism are fixed in place;
the seventh step: the elevator assembly descends, the driving device drives the elevator assembly to rotate the cast tube, and the outer arm of the cast tube is pressed tightly through the beating roller to beat the cast tube, so that the required requirements are met.
CN201910819114.1A 2019-08-31 2019-08-31 Suspender type lining machine and working method thereof Active CN110587807B (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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CN110587807A true CN110587807A (en) 2019-12-20
CN110587807B CN110587807B (en) 2023-11-14

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JP2000211727A (en) * 1999-01-27 2000-08-02 Okamura Corp Suspension conveying apparatus
DE19940188A1 (en) * 1999-07-18 2001-03-22 Gerhard Hierl Natural stone slab production process, involving lifting slab, filling space under it with concrete and removing frames after setting of filling
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CN203557512U (en) * 2013-11-15 2014-04-23 新兴铸管股份有限公司 Metal-pipe cement mortar lining machine
CN203854214U (en) * 2014-05-09 2014-10-01 浙江鑫宙竹基复合材料科技有限公司 Lining machine of bamboo winding composite pipe
CN104369059A (en) * 2014-10-28 2015-02-25 芜湖新兴铸管有限责任公司 Cast tube chamfering machine
CN204604571U (en) * 2015-02-17 2015-09-02 浙江深澳机械工程有限公司 ductile iron pipe cement lining machine
CN204771384U (en) * 2015-07-07 2015-11-18 江苏金铁人自动化科技有限公司 PIN machine is inserted to rubber ring
CN207183777U (en) * 2017-07-12 2018-04-03 科络普线束技术(昆山)有限公司 A kind of New semi automatic rain plug kludge
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CN107498695A (en) * 2017-09-29 2017-12-22 王莎莎 A kind of building and ornament materials plasterboard automatic forming cutting machine
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CN108656338A (en) * 2018-04-20 2018-10-16 浙江深澳机械工程有限公司 A kind of pipe fitting liner systems and its lining method
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