CN202479976U - Sand blasting machine for pipeline - Google Patents
Sand blasting machine for pipeline Download PDFInfo
- Publication number
- CN202479976U CN202479976U CN2012200712500U CN201220071250U CN202479976U CN 202479976 U CN202479976 U CN 202479976U CN 2012200712500 U CN2012200712500 U CN 2012200712500U CN 201220071250 U CN201220071250 U CN 201220071250U CN 202479976 U CN202479976 U CN 202479976U
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- sand
- cleaning machine
- abrasive blasting
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Abstract
The utility model relates to a sand blasting machine for a pipeline. The machine comprises an arched rack provided with a rack supporting wheel for supporting on the outer wall of the pipeline, positioning air cylinders for jacking up the pipeline from the ground and positioning the pipeline are arranged at two ends of the rack respectively, a rotary frame capable of moving perpendicular to the axis of the pipeline and on the outer wall of the pipeline is also arranged on the rack, two sand blasting devices are arranged on the rotary frame and at two ends of a certain diameter of the circular arc shape respectively, each sand blasting device comprises a sand gun bed plate, a nozzle and a gap adjusting drive unit which is fixed on the sand gun bed plate and driving the nozzle to get close to or far from the outer wall of the pipeline, and the nozzles of the two sand blasting devices are arranged oppositely and connected with a pressure unit for providing grit. According to the sand blasting machine, the defects of low grit recycling degree and pollution to the environment of the existing sand blasting machine are overcome, and the sealing between the nozzles and the outer wall of the pipeline is improved, so that the grit recycling degree is improved.
Description
Technical field
The utility model relates to a kind of abrasive blasting rust-cleaning machine.Be specially a kind of pipeline abrasive blasting rust-cleaning machine.
Background technology
At present, both at home and abroad in the pipeline construction, pipeline derusting by sandblasting technological requirement mouth of pipe sandblast cleannes grade reach the Sa2.5 level and more than, the on-the-spot recovery degree of construction operation reaches 95%, thereby reaches the GB3095-96 standard-required.But now construction mostly is open derusting by sandblasting operation, and the grit that splashes makes derusting by sandblasting technology can not reach the requirement of construction, severe contamination environment.
The utility model content
It is low that the technical problem that the utility model solves is to overcome existing abrasive blasting rust-cleaning machine grit recovery degree, and the shortcoming of contaminated environment provides a kind of seal that improves between nozzle and the pipeline outer wall, thereby improve the pipeline abrasive blasting rust-cleaning machine of grit recovery degree.
The pipeline abrasive blasting rust-cleaning machine of the utility model; The frame that comprises arch; Said frame has the frame support wheel on the outer wall that is used to be supported on pipeline; Said frame is respectively equipped with the positioning cylinder that is used for said pipeline jack-up and location from ground near the position at two ends, also is provided with the swivel mount of the circular arc that can be on the outer wall of said pipeline moves perpendicular to the axis of pipeline on the said frame, and said swivel mount is provided with two sand blasting units; Two said sand blasting units lay respectively at the two ends of a certain diameter of said circular arc; Each said sand blasting unit comprise sand gun platform plate, nozzle and be fixed on the said sand gun platform plate drive said nozzle near or away from the accent crack drive unit of said pipeline outer wall, the nozzle of two said sand blasting units is oppositely arranged, said nozzle is connected with the pressure apparatus that grit is provided.
As preferably, said accent crack drive unit comprises two synchronous accent crack cylinders, and the cylinder rod of each said accent crack cylinder is connected with a nozzle fixture block, and two said nozzle fixture blocks match and clamp said nozzle.
Preferred as further, two said nozzle fixture blocks link together through bolt.
Preferred as further, said nozzle is provided with slide-and-guide groove or slide-and-guide piece, and said sand gun platform plate is provided with slide-and-guide piece that matches with said slide-and-guide groove or the slide-and-guide groove that matches with said slide-and-guide piece.
Preferred as further, the cross section of said slide-and-guide groove and said slide-and-guide piece is swallow-tail form.
As preferably, said frame is provided with chain, and said swivel mount is provided with sprocket wheel and drives the rotating driving device that said sprocket wheel is walked on said chain.
Preferred as further; Said swivel mount comprises two perpendicular to the axis of said pipeline and the parallel and liner plate that is oppositely arranged and connect two blocks of said liner plates and be parallel to the connecting rod of the axis of said pipeline; Said frame is provided with and a plurality ofly is used to set up said liner plate and to the locating wheel of said liner plate guiding; The said liner plate in said locating wheel edge reaches the lateral margin setting away from said pipeline outer wall near the lateral margin of said pipeline outer wall, and said locating wheel has the rotary steering groove that matches with the lateral margin of said liner plate.
As preferably; Said swivel mount is provided with the tooth bar of the axis that is parallel to said pipeline; Said tooth bar one end is connected with said liner plate wherein; The other end is connected with the said liner plate of another piece, and said sand gun platform plate is provided with the gear that cooperates with said tooth bar, and said gear rotation drives the pan drive motor that said sand gun platform plate moves along said tooth bar thereby said sand gun platform plate is provided with driving.
Preferred as further; Said swivel mount is provided with two and is used to set up said sand gun platform plate and to the mobile guide post that leads of said sand gun platform plate; The said sand gun platform of the axis plate that said guide post is parallel to said pipeline is provided with the guided in translation wheel that cooperates with two said guide posts respectively, and said guided in translation wheel has the guided in translation groove that cooperates with said guide post.
Preferred as further, the pipeline abrasive blasting rust-cleaning machine also comprises with said guiding cylinder, rotary drive motor and pan drive motor and being electrically connected with the unlatching of controlling said guiding cylinder, rotary drive motor and pan drive motor or the control device of closing.
The described pipeline abrasive blasting rust-cleaning machine of the utility model is compared with prior art; Have following beneficial effect: the sand blasting unit of the pipeline abrasive blasting rust-cleaning machine of the utility model is owing to have the crack of accent drive unit; Can drive nozzle near or away from the outer wall of pipeline, thereby regulate the gap between nozzle and the pipeline outer wall, can significantly reduce from the grit that sprays between nozzle and the pipeline outer wall; Protect the environment of sandblast operation, improved the recovery utilization rate of grit simultaneously.
Description of drawings
Fig. 1 is the pipeline abrasive blasting rust-cleaning machine of an embodiment of the utility model and the front view of pipeline;
Fig. 2 is pipeline abrasive blasting rust-cleaning machine and the side view of pipeline among Fig. 1;
Fig. 3 removes the structural representation behind a gripper shoe and two positioning cylinders for the pipeline among Fig. 1 and pipeline abrasive blasting rust-cleaning machine;
Fig. 4 is the swivel mount of the pipeline abrasive blasting rust-cleaning machine among Fig. 1 and the front view of pipeline;
Fig. 5 is the vertical view of the swivel mount of the pipeline abrasive blasting rust-cleaning machine among Fig. 4;
Fig. 6 is the front view of the sand blasting unit of the pipeline abrasive blasting rust-cleaning machine among Fig. 1;
Fig. 7 is the stereogram of the sand blasting unit of the pipeline abrasive blasting rust-cleaning machine among Fig. 6.
Reference numeral
The 1-pipeline, 2-frame, 3-frame support wheel, 4-positioning cylinder, 5-swivel mount, 6-sand gun platform plate, 7-nozzle; 8-transfers crack cylinder, 9-nozzle fixture block, 10-bolt, 11-slide-and-guide piece, 12-slide-and-guide groove, 13-sprocket wheel, 14-chain; The 15-rotary drive motor, 16-decelerator, 17-liner plate, 18-connecting rod, 19-locating wheel, 20-rotary steering groove, 21-tooth bar; The 22-gear, 23-pan drive motor, 24-guide post, 25-guided in translation wheel, 26-guided in translation groove, 27-gripper shoe.
The specific embodiment
Fig. 1 is the pipeline abrasive blasting rust-cleaning machine of an embodiment of the utility model and the front view of pipeline; Fig. 2 is the swivel mount of the pipeline abrasive blasting rust-cleaning machine among Fig. 1 and the front view of pipeline; Fig. 3 removes the structural representation behind a gripper shoe and two positioning cylinders for the pipeline among Fig. 1 and pipeline abrasive blasting rust-cleaning machine; Fig. 6 is the front view of sand blasting unit of the pipeline abrasive blasting rust-cleaning machine of the utility model, and Fig. 7 is the stereogram of sand blasting unit of the pipeline abrasive blasting rust-cleaning machine of the utility model.Shown in Fig. 1-3 and Fig. 6-7, the pipeline abrasive blasting rust-cleaning machine of the utility model comprises that the frame 2 of arch, frame 2 have two parallel and gripper shoes 27 that be provided with perpendicular to the axis of pipeline 1.Make the frame 2 can be across the top of pipeline 1, frame 2 be provided with frame support wheel 3 and be used to make frame 2 to be supported on the outer wall of pipeline 1.Frame 2 is respectively equipped with positioning cylinder 4 near the position at two ends, can limit the position of pipeline 1.Also be provided with the swivel mount 5 that can be on the outer wall of pipeline 1 moves perpendicular to the axis of pipeline 1 on the frame 2; Swivel mount 5 is provided with two sand blasting units; Two sand blasting units lay respectively at the two ends of a certain diameter of circular arc; Each sand blasting unit comprise sand gun platform plate 6, nozzle 7 and be fixed on the sand gun platform plate 6 drive nozzle 7 near or away from the accent crack drive unit of pipeline 1 outer wall, the nozzle 7 of two sand blasting units is oppositely arranged, nozzle 7 is connected with the pressure apparatus (not shown) that grit is provided; And nozzle 7 adopts from the recovery type nozzle, is the common components of this area.
The sand blasting unit of the pipeline abrasive blasting rust-cleaning machine of the utility model is owing to have the crack of accent drive unit; Can drive nozzle 7 near or away from the outer wall of pipeline 1; Thereby regulate the gap between nozzle 7 and pipeline 1 outer wall; Can significantly reduce from the grit that sprays between nozzle 7 and pipeline 1 outer wall, protect the environment of sandblast operation, improve the recovery utilization rate of grit simultaneously.
In the present embodiment, transfer the crack drive unit to comprise two synchronous accent crack cylinders 8, like Fig. 6 and shown in Figure 7, each is transferred the cylinder rod of crack cylinder 8 to be connected with a nozzle fixture block 9, two nozzle fixture blocks 9 and matches and clamp nozzle 7, and nozzle 7 is therewith moved.Certainly nozzle 7 also can adopt other connected modes with nozzle fixture block 9.Start and transfer crack cylinder 8, i.e. distance between scalable nozzle 7 and pipeline 1 outer wall.As preferably, two nozzle fixture blocks 9 link together through bolt 10.When nozzle 7 serious wear need be changed, can unload bolt 10, the nozzle 7 that more renews.
In the present embodiment, nozzle 7 is provided with slide-and-guide groove 12, and sand gun platform plate 6 is provided with the slide-and-guide piece 11 that matches with slide-and-guide groove 12.Nozzle 7 matches through slide-and-guide groove 12 and the slide-and-guide piece 11 that stretches in the slide-and-guide groove 12 and relative slide-and-guide groove 12 slides with sand gun platform plate 6, makes nozzle 7 more stable with respect to the motion of sand gun platform plate 6.In other embodiments, can certainly on nozzle 7, offer slide-and-guide piece 11, correspondingly on sand gun platform plate 6, establish slide-and-guide groove 12.Preferred as further, slide-and-guide groove 12 is a swallow-tail form with the cross section of slide-and-guide piece 11, can further improve the stability of nozzle 7 motions.
In the present embodiment, frame 2 is provided with chain 14, and shown in Fig. 3-5, swivel mount 5 is provided with the rotating driving device that sprocket wheel 13 and drive sprocket 13 are walked on chain 14.Rotating driving device adopts rotary drive motor 15, and in the present embodiment, after rotary drive motor 15 slowed down through decelerator 16, driven in rotation frame 5 can move along the outer circumference surface of pipeline 1 together with sand blasting unit provided thereon.
In the present embodiment, swivel mount 5 comprises two axis and parallel and liner plate 17 that is oppositely arranged and connecting rods 18 that connect two blocks of liner plates 17 perpendicular to pipeline 1.In the present embodiment, connecting rod 18 is two, and is parallel to the axis setting of pipeline 1.Frame 2 is provided with and a plurality ofly is used to set up liner plate 17 and to the locating wheel 19 of liner plate 17 guiding, and near the lateral margin of pipeline outer wall and away from the lateral margin setting of pipeline outer wall, locating wheel 19 has the rotary steering groove 20 that cooperates with the lateral margin of liner plate 17 to locating wheel 19 along liner plate 17.Swivel mount 5 keeps accurate direction of rotation under the restriction of rotary steering groove 20.
In the present embodiment; Swivel mount 5 is provided with the tooth bar 21 of the axis that is parallel to pipeline 1; Tooth bar 21 1 ends are connected with liner plate 17 wherein; The other end is connected with another piece liner plate 17, and sand gun platform plate 6 is provided with the gear 22 that cooperates with tooth bar 21, and sand gun platform plate 6 is provided with the pan drive motor 23 that driven wheel 22 rotates.Under the driving of pan drive motor 23, sand gun platform plate 6 is with the axis translation of nozzle 7 along pipeline 1, and the outer wall of pipeline 1 is carried out derusting by sandblasting.
Do in preferably; Swivel mount 5 is provided with two and is used to set up sand gun platform plate 6 and to the mobile guide post that leads 24 of sand gun platform plate 6; Guide post 24 is parallel to the axis setting of pipeline 1; Sand gun platform plate 6 is provided with the guided in translation wheel 25 that cooperates with two guide posts 24 respectively, and guided in translation wheel 25 has the guided in translation groove 26 that cooperates with guide post 24, is the moving direction of nozzle 7 with the moving direction that limits sand gun platform plate 6.
As preferably, the pipeline abrasive blasting rust-cleaning machine also comprises and being electrically connected with guiding cylinder, rotary drive motor 15 and pan drive motor 23 with control the lead unlatching of cylinder, rotary drive motor 15 and pan drive motor 23 or the control device (not shown) of closing.
Below be that 1016 steel pipeline is the use principle that example is described the pipeline abrasive blasting rust-cleaning machine of the utility model in detail with diameter.Earlier pipeline abrasive blasting rust-cleaning machine mast-up is located on the pipeline 1; Send instruction through operating control device and give accent crack cylinder 8; Transfer crack cylinder 8 to drive 7 withdrawals of nozzle fixture block 9 drive nozzles thereby make, prevent in lifting, to collide with miscellaneous part until the extreme limit of travel position that arrives nozzle fixture block 9.The slide-and-guide piece 11 of nozzle 7 slides in the slide-and-guide groove 12 of sand gun platform plate 6, can guarantee nozzle 7 rectilinear motions.Frame support wheel 3 is supported on the outer wall of pipeline 1, sends instruction, the lever of two positioning cylinders 4 is stretched out on the outer wall that withstands on pipeline 1, limit the position of pipeline 1 through control device.Send instruction through operating control device and give accent crack cylinder 8, transfer cylinder 8 drive nozzle fixture blocks 9 in crack to drive nozzle 7, touch until nozzle 7 till the outer wall of pipeline 1 near pipeline 1 thereby make.Start electric rotating machine; Rotary drive motor 15 drives decelerator 16; Decelerator 16 drives sprocket wheel 13 and on chain 14, moves; Thereby sprocket wheel 13 driven rotary framves 5 drive the circular orbit that nozzles 7 form along locating wheel 19 and rotate, and after the initial position of the nozzle shown in Fig. 17 rotates counterclockwise 95 °, stop.
Start pan drive motor 23 through control device, driven wheel 22 moves along tooth bar 21, thereby nozzle 7 is promptly moved along the axis of pipeline 1 along guide post 24, begins sandblast simultaneously with the operation that eliminates rust.Behind nozzle 7 translation 400mm; Make pan drive motor 23 out of service; And start rotary drive motor 15 and drive and stop after nozzles 7 clockwise rotate the 50mm arc length, the width range of this length and nozzle 7 sandblasts is roughly the same, so that the job area of derusting by sandblasting covering whole pipe 1.Start pan drive motor 23, make its reverse rotation, drive nozzle 7 translation 400mm.Start rotary drive motor 15 driving nozzles 7 once more and clockwise rotate 50mm, start translation motor then, make the motor forward rotation; Do action like this, when the position from the beginning sandblast clockwise rotated 190 °, the sandblast operation of two nozzles 7 had covered the outer wall of whole pipe 1; Stop sandblast this moment; Make nozzle 7 rotate to initial position, and make the guiding cylinder drive nozzle 7, accomplish the sandblast operation away from pipeline 1 outer wall.
Above embodiment is merely the exemplary embodiment of the utility model, is not used in restriction the utility model, and the protection domain of the utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in the essence and protection domain of the utility model, this modification or be equal to replacement and also should be regarded as dropping in the protection domain of the utility model.
Claims (10)
1. pipeline abrasive blasting rust-cleaning machine; It is characterized in that: the frame that comprises arch; Said frame has the frame support wheel on the outer wall that is used to be supported on pipeline; Said frame is respectively equipped with the positioning cylinder that is used for said pipeline jack-up and location from ground near the position at two ends, also is provided with the swivel mount of the circular arc that can be on the outer wall of said pipeline moves perpendicular to the axis of pipeline on the said frame, and said swivel mount is provided with two sand blasting units; Two said sand blasting units lay respectively at the two ends of a certain diameter of said circular arc; Each said sand blasting unit comprise sand gun platform plate, nozzle and be fixed on the said sand gun platform plate drive said nozzle near or away from the accent crack drive unit of said pipeline outer wall, the nozzle of two said sand blasting units is oppositely arranged, said nozzle is connected with the pressure apparatus that grit is provided.
2. pipeline abrasive blasting rust-cleaning machine according to claim 1; It is characterized in that: said accent crack drive unit comprises two synchronous accent crack cylinders; The cylinder rod of each said accent crack cylinder is connected with a nozzle fixture block, and two said nozzle fixture blocks match and clamp said nozzle.
3. pipeline abrasive blasting rust-cleaning machine according to claim 2 is characterized in that: two said nozzle fixture blocks link together through bolt.
4. pipeline abrasive blasting rust-cleaning machine according to claim 2; It is characterized in that: said nozzle is provided with slide-and-guide groove or slide-and-guide piece, and said sand gun platform plate is provided with slide-and-guide piece that matches with said slide-and-guide groove or the slide-and-guide groove that matches with said slide-and-guide piece.
5. pipeline abrasive blasting rust-cleaning machine according to claim 4 is characterized in that: the cross section of said slide-and-guide groove and said slide-and-guide piece is swallow-tail form.
6. pipeline abrasive blasting rust-cleaning machine according to claim 1 is characterized in that: said frame is provided with chain, and said swivel mount is provided with sprocket wheel and drives the rotating driving device that said sprocket wheel is walked on said chain.
7. pipeline abrasive blasting rust-cleaning machine according to claim 6; It is characterized in that: said swivel mount comprises two perpendicular to the axis of said pipeline and the parallel and liner plate that is oppositely arranged and connect two blocks of said liner plates and be parallel to the connecting rod of the axis of said pipeline; Said frame is provided with and a plurality ofly is used to set up said liner plate and to the locating wheel of said liner plate guiding; The said liner plate in said locating wheel edge reaches the lateral margin setting away from said pipeline outer wall near the lateral margin of said pipeline outer wall, and said locating wheel has the rotary steering groove that matches with the lateral margin of said liner plate.
8. the pipeline abrasive blasting rust-cleaning machine of stating according to claim 1 or 6; It is characterized in that: said swivel mount is provided with the tooth bar of the axis that is parallel to said pipeline; Said tooth bar one end is connected with said liner plate wherein; The other end is connected with the said liner plate of another piece, and said sand gun platform plate is provided with the gear that cooperates with said tooth bar, and said gear rotation drives the pan drive motor that said sand gun platform plate moves along said tooth bar thereby said sand gun platform plate is provided with driving.
9. pipeline abrasive blasting rust-cleaning machine according to claim 8; It is characterized in that: said swivel mount is provided with two and is used to set up said sand gun platform plate and to the mobile guide post that leads of said sand gun platform plate; The said sand gun platform of the axis plate that said guide post is parallel to said pipeline is provided with the guided in translation wheel that cooperates with said guide post, and said guided in translation wheel has the guided in translation groove that cooperates with two said guide posts respectively.
10. pipeline abrasive blasting rust-cleaning machine according to claim 8 is characterized in that: the pipeline abrasive blasting rust-cleaning machine also comprises with said guiding cylinder, rotary drive motor and pan drive motor and being electrically connected with the unlatching of controlling said guiding cylinder, rotary drive motor and pan drive motor or the control device of closing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200712500U CN202479976U (en) | 2012-02-29 | 2012-02-29 | Sand blasting machine for pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200712500U CN202479976U (en) | 2012-02-29 | 2012-02-29 | Sand blasting machine for pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202479976U true CN202479976U (en) | 2012-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200712500U Expired - Fee Related CN202479976U (en) | 2012-02-29 | 2012-02-29 | Sand blasting machine for pipeline |
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| CN (1) | CN202479976U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526569A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气集团公司 | Double-head sand blasting gun |
| CN104552026A (en) * | 2014-12-31 | 2015-04-29 | 中国石油天然气集团公司 | Four-headed sand-blasting gun |
| CN107263337A (en) * | 2016-11-25 | 2017-10-20 | 中国海洋石油总公司 | Complete pneumatic four pipette tips submarine pipeline sandblasting walking mechanism |
| CN107791155A (en) * | 2017-10-13 | 2018-03-13 | 江苏捷帝机器人股份有限公司 | A kind of rotary sanding apparatus for robot joint shaft |
| CN108818319A (en) * | 2018-05-25 | 2018-11-16 | 盐城工学院 | Intelligent automatic sand blasting system |
| CN109500714A (en) * | 2018-12-10 | 2019-03-22 | 何学祥 | A kind of efficient and environment-friendly type building field pipeline outer wall rust removalling equipment |
| CN109794858A (en) * | 2019-03-29 | 2019-05-24 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of gantry type pipeline sand blasting unit |
| CN109807755A (en) * | 2019-01-30 | 2019-05-28 | 汕头大学 | A kind of environmental protection automatic sand blasting system |
| CN109877711A (en) * | 2019-03-29 | 2019-06-14 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of compact pipeline sand blasting unit |
| CN110370175A (en) * | 2019-07-15 | 2019-10-25 | 廊坊市鼎盛机械设备有限公司 | A kind of novel pipeline rotoblast movement carrying on mechanism |
| CN112007827A (en) * | 2020-08-14 | 2020-12-01 | 宋璐 | Portable mopping equipment of fire control pipeline |
| CN113492363A (en) * | 2020-03-19 | 2021-10-12 | 中国石油天然气集团有限公司 | Joint coating method and system for pipe-laying ship |
| CN115431180A (en) * | 2022-09-05 | 2022-12-06 | 杜莹莹 | Bridge arch guardrail rust cleaning device |
-
2012
- 2012-02-29 CN CN2012200712500U patent/CN202479976U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104526569A (en) * | 2014-12-31 | 2015-04-22 | 中国石油天然气集团公司 | Double-head sand blasting gun |
| CN104552026A (en) * | 2014-12-31 | 2015-04-29 | 中国石油天然气集团公司 | Four-headed sand-blasting gun |
| CN104526569B (en) * | 2014-12-31 | 2017-02-22 | 中国石油天然气集团公司 | Double-head sand blasting gun |
| CN107263337A (en) * | 2016-11-25 | 2017-10-20 | 中国海洋石油总公司 | Complete pneumatic four pipette tips submarine pipeline sandblasting walking mechanism |
| CN107791155A (en) * | 2017-10-13 | 2018-03-13 | 江苏捷帝机器人股份有限公司 | A kind of rotary sanding apparatus for robot joint shaft |
| CN107791155B (en) * | 2017-10-13 | 2023-12-05 | 苏州晖恩源医疗器械配件有限公司 | Rotary polishing device for joint shaft of robot |
| CN108818319A (en) * | 2018-05-25 | 2018-11-16 | 盐城工学院 | Intelligent automatic sand blasting system |
| CN109500714A (en) * | 2018-12-10 | 2019-03-22 | 何学祥 | A kind of efficient and environment-friendly type building field pipeline outer wall rust removalling equipment |
| CN109807755A (en) * | 2019-01-30 | 2019-05-28 | 汕头大学 | A kind of environmental protection automatic sand blasting system |
| CN109877711A (en) * | 2019-03-29 | 2019-06-14 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of compact pipeline sand blasting unit |
| CN109794858A (en) * | 2019-03-29 | 2019-05-24 | 徐工集团工程机械股份有限公司建设机械分公司 | A kind of gantry type pipeline sand blasting unit |
| CN110370175A (en) * | 2019-07-15 | 2019-10-25 | 廊坊市鼎盛机械设备有限公司 | A kind of novel pipeline rotoblast movement carrying on mechanism |
| CN113492363A (en) * | 2020-03-19 | 2021-10-12 | 中国石油天然气集团有限公司 | Joint coating method and system for pipe-laying ship |
| CN112007827A (en) * | 2020-08-14 | 2020-12-01 | 宋璐 | Portable mopping equipment of fire control pipeline |
| CN112007827B (en) * | 2020-08-14 | 2022-01-11 | 徐州领测半导体科技有限公司 | Portable mopping equipment of fire control pipeline |
| CN115431180A (en) * | 2022-09-05 | 2022-12-06 | 杜莹莹 | Bridge arch guardrail rust cleaning device |
| CN115431180B (en) * | 2022-09-05 | 2024-05-03 | 张学义 | Bridge arch guardrail rust cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121010 Termination date: 20170229 |