CN104923854A - Pipeline cutting mechanism for diamond rope saw - Google Patents

Pipeline cutting mechanism for diamond rope saw Download PDF

Info

Publication number
CN104923854A
CN104923854A CN201510277777.7A CN201510277777A CN104923854A CN 104923854 A CN104923854 A CN 104923854A CN 201510277777 A CN201510277777 A CN 201510277777A CN 104923854 A CN104923854 A CN 104923854A
Authority
CN
China
Prior art keywords
frame body
cutting mechanism
diamond
driving wheel
support
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510277777.7A
Other languages
Chinese (zh)
Inventor
干海娟
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.)
BOHYAR ENGINEERING MATERIAL TECHNOLOGY (SUZHOU) Co Ltd
Original Assignee
BOHYAR ENGINEERING MATERIAL TECHNOLOGY (SUZHOU) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOHYAR ENGINEERING MATERIAL TECHNOLOGY (SUZHOU) Co Ltd filed Critical BOHYAR ENGINEERING MATERIAL TECHNOLOGY (SUZHOU) Co Ltd
Priority to CN201510277777.7A priority Critical patent/CN104923854A/en
Publication of CN104923854A publication Critical patent/CN104923854A/en
Pending legal-status Critical Current

Links

Abstract

The invention discloses a pipeline cutting mechanism for a diamond rope saw. The pipeline cutting mechanism comprises a frame body, driving wheels respectively positioned at four corners of the frame body, a tension pulley and two driven wheels; an adjusting telescopic supporting rod is arranged between the other end corner of a main bracket and the frame body; a tension self-adaption adjusting mechanism further comprises a connecting shaft sleeve, a movable pin, a connecting plate, a siding plate, a hydraulic cylinder and a sleeve rod sleeved by a spring; the upper end of the sleeve rod is movably connected with the other end corner of an auxiliary bracket through the movable pin; the lower end of the connecting shaft sleeve is movably connected with the frame body through a positioning shaft; the tail end of an ejector rob of the hydraulic cylinder fixed on the connecting plate is connected to the sliding plate; one end of the spring is in contact with the upper end of the sleeve rod; and the other end of the spring is embedded in a through hole of the connecting plate to be connected with the sliding plate. The pipeline cutting mechanism provided by the invention is high in reliability, stability, safety and popularity, simple to operate, and capable of adjusting tension, the circumstances of non-tensioning and excessive tensioning do not occur, and the safety of the pipeline cutting mechanism is ensured.

Description

Pipe cutting mechanism used by diamond rope saw
Technical field
The present invention relates to a kind of diamond rope saw pipe cutting mechanism, relate to the Pipe installing rope saw for industries such as chemical industry, natural gas, nuclear power, oil.
Background technology
In current offshore oil engineering and nuclear power industry, the cutting operation of the pipeline that major diameter or many materials are filled is adopted that cold cut is cut, the mode such as thermal cutting or blast cutting, cold cut segmentation method technical difficulty is large, what therefore use is little, and thermal cutting mode is not suitable for underwater operation, the mode of blast cutting not environmentally.In recent years, develop diamond rope saw cutting technique abroad for carrying out cutting operation to the pipeline that the major diameter of the land such as major diameter or the multiple material pipeline of filling and nuclear power industry or many materials are filled such as offshore oil platform jacket or pile foundation under water, its advantage is that structure is simple, adapt to multiple material cut simultaneously, be not subject to the restriction of planform and size, need cooling during operation, be therefore more suitable for working under water.
Diamond-wire saw mainly comprises clamp system and cutting mechanism, clamp system is used for holding pipeline to be cut tightly, rope saw body is fixed, mainly comprise the parts such as the guider of clamping frames, compression hydraulic cylinder, clamping lobe and cutting mechanism, cutting mechanism, for completing the tensioning of diamond bead string rope, tangential admission and radial feed work, mainly comprises cutting frame, tensioning apparatus, main motion device and the parts such as radial feeding device and guider.
Summary of the invention
The object of the invention is to provide a kind of diamond rope saw pipe cutting mechanism, this diamond rope saw pipe cutting mechanism high reliability, high stability, high safety, highly versatile, strengthen the stability of work, the demand of various pipeline can be adapted to, rope saw cutting machine is made to have stronger universal, operability, simultaneously, owing to have employed the tension force adaptive regulating mechanism of ad hoc structure, can regulate tensile force, there will not be the situation for tensioning and over-tension, its security have also been obtained guarantee.
For achieving the above object, the technical solution used in the present invention is: a kind of diamond rope saw pipe cutting mechanism, comprise frame body, lay respectively at the driving wheel at frame body four drift angle places, straining pulley and 2 driven pulleys, described driving wheel, straining pulley is installed on main support and respectively from support, this main support and be all movably arranged in 2 drift angles on frame body top from support separately end angle, thus make driving wheel, straining pulley can rotate around its end angle separately, described 2 driven pulleys are positioned at 2 drift angles of bottom respectively, one diamond cotton rope is around in driving wheel, between straining pulley and 2 driven pulleys, described main support is fixed with the hydraulic motor that a driving driving wheel rotates, an adjustment telescopic supporting rod is provided with between described main support other end angle and frame body, described from being provided with described tension force adaptive regulating mechanism between support other end angle and frame body,
Described adjustment telescopic supporting rod comprises axle sleeve, flexible leading screw further and is installed on the nut handle of axle sleeve one end, this flexible leading screw is positioned at axle sleeve and is connected with a joggle with nut handle, this axle sleeve other end is rotatably connected with frame body by locating shaft, and the end of described flexible leading screw is rotatably connected by locating shaft with main support other end angle;
Described tension force adaptive regulating mechanism comprises connecting bushing further, removable pin, connecting plate, sliding panel, hydraulic cylinder and the loop bar being set with spring, this loop bar upper end is flexibly connected from support other end angle with described by described removable pin, this connecting bushing lower end is flexibly connected with frame body by locating shaft, the push rod end being fixed on the hydraulic cylinder on connecting plate is connected to described sliding panel, described spring one end and loop bar upper-end contact, the other end embed connecting plate through hole in and be connected with sliding panel, this can be movably installed on connecting bushing along the sliding panel of spring direction movement,
Described straining pulley comprises central shaft further, the clutch shaft bearing be installed on central shaft, the first connecting axle being fixed on clutch shaft bearing outer surface and 2 piece of first baffle plate, this 2 piece of first baffle plate bottom is fixed on the first connecting axle by pin, is provided with the first polyurethane lining for contacting with diamond cotton rope between described 2 piece of first baffle plate;
Described driving wheel comprises the second connecting axle, adapter sleeve, the second bearing and 2 pieces of second baffles further, these 2 pieces of second baffle bottoms are fixed on the second connecting axle by the second pin, the second polyurethane lining for contacting with diamond cotton rope is provided with between described 2 pieces of second baffles, described hydraulic motor is fixed on main support by adapter sleeve, the output shaft of hydraulic motor is installed on the second connecting axle, and described second bearing is between adapter sleeve and the second connecting axle.
In technique scheme, further improved plan is as follows:
1., in such scheme, between described polyurethane lining and the first connecting axle, be filled with the first cushion block.
2., in such scheme, one first wheel cover is installed on described central shaft two ends and is secured by bolts in from support medial surface.
3., in such scheme, described second bearing is double-row angular contact bal bearing.
Because technique scheme is used, the present invention compared with prior art has following advantages and effect:
1. diamond rope saw pipe cutting mechanism of the present invention, its high reliability, high stability, high safety, highly versatile, simple to operate, strengthen the stability of work, the demand of various pipeline can be adapted to, make rope saw cutting machine have stronger universal, operability, simultaneously, owing to have employed the tension force adaptive regulating mechanism of ad hoc structure, can regulate tensile force, there will not be the situation for tensioning and over-tension, its security have also been obtained guarantee.
2. diamond rope saw pipe cutting mechanism of the present invention, it lays respectively at the driving wheel at frame body four drift angle places, straining pulley and 2 driven pulleys, driving wheel, straining pulley is installed on main support and respectively from support, this main support and be all movably arranged in 2 drift angles on frame body top from support separately end angle, described 2 driven pulleys are positioned at 2 drift angles of bottom respectively, one diamond cotton rope is around in driving wheel, between straining pulley and 2 driven pulleys, an adjustment telescopic supporting rod is provided with between main support other end angle and frame body, described from being provided with described tension force adaptive regulating mechanism between support other end angle and frame body, when after four scroll wheels on diamond wire-wound, regulate telescopic supporting rod, the tension force in diamond line can be made to reach predetermined value, when cutting pipeline, diamond line can along with the contacting of pipeline, tension force wherein can change, tension force adaptive regulating mechanism includes small-scale liquid cylinder pressure and cylindrical compression spring, can automatically regulate tension force in diamond line, ensure suitable tension force predetermined value.
3. diamond rope saw pipe cutting mechanism of the present invention, its tension force adaptive regulating mechanism comprises connecting bushing further, removable pin, connecting plate, sliding panel, hydraulic cylinder and the loop bar being set with spring, this loop bar upper end is flexibly connected with from support other end angle by described removable pin, this connecting bushing lower end is flexibly connected with frame body by locating shaft, the push rod end being fixed on the hydraulic cylinder on connecting plate is connected to described sliding panel, spring one end and loop bar upper-end contact, the other end embed connecting plate through hole in and be connected with sliding panel, this can be movably installed on connecting bushing along the sliding panel of spring direction movement, in cutting pipe process, ensure that in diamond line, tension force is in suitable scope by small-scale liquid cylinder pressure and cylindrical compression spring.
4. diamond rope saw pipe cutting mechanism of the present invention, it regulates telescopic supporting rod to comprise axle sleeve further, flexible leading screw and the nut handle being installed on axle sleeve one end, this flexible leading screw is positioned at axle sleeve and is connected with a joggle with nut handle, this axle sleeve other end is rotatably connected with frame body by locating shaft, the end of described flexible leading screw is rotatably connected by locating shaft with main support other end angle, when rotary spherical handle, telescopic screw rod can rise and fall thereupon, the main support be connected with screw mandrel can drive driving wheel to rotate around the tie point of main support and front and rear support plate, thus can be realize the tension force in manual adjustments diamond line.
5. diamond rope saw pipe cutting mechanism of the present invention, driving wheel and straining pulley all adopt the polyurethane lining be provided with between described 2 pieces of baffle plates for contacting with diamond cotton rope, in machine running process, because diamond line is arranged on guide rail, and guide rail can often wear and tear, need often to change guide rail, on the one hand guide rail polyurethane relative wear, two baffle plates can be separated when structure of guide-rail weares and teares as shown in the figure on the other hand and directly change guide rail and do not need to change whole scroll wheel.
Accompanying drawing explanation
Accompanying drawing 1 is the main TV structure schematic diagram of self adaptation diamond fret saw of the present invention;
Accompanying drawing 2 is driving wheel of the present invention and main bracket structure schematic diagram;
Accompanying drawing 3 is tension force adaptive regulating mechanism structural representation in rope saw of the present invention;
Accompanying drawing 4 is cutting mechanism structural representation in self adaptation diamond fret saw of the present invention;
Accompanying drawing 5 regulates telescopic supporting rod structural representation in rope saw of the present invention;
Accompanying drawing 6 is straining pulley structural representation in self adaptation diamond fret saw of the present invention;
Accompanying drawing 7 is driving wheel structural representation in self adaptation diamond fret saw of the present invention.
In above accompanying drawing: 2, tension force adaptive regulating mechanism; 201, connecting bushing; 202, removable pin; 203, connecting plate; 204, sliding panel; 205, hydraulic cylinder; 2051, push rod; 206, loop bar; 207, spring; 3, cutting mechanism; 11, frame body; 12, driving wheel; 13, straining pulley; 14, driven pulley; 15, main support; 16, from support; 17, diamond cotton rope; 18, hydraulic motor; 19, telescopic supporting rod is regulated; 191, axle sleeve; 192, flexible leading screw; 193, nut handle; 20, location-plate; ; 28, central shaft; 29, clutch shaft bearing; 30, the first connecting axle; 31, the first baffle plate; 32, pin; 33, the first polyurethane lining; 34, the first cushion block; 35, the first wheel cover; 36, the second connecting axle; 37, adapter sleeve; 38, the second bearing; 39, second baffle; 40, the second pin; 41, the second polyurethane lining.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
Embodiment: a kind of diamond rope saw pipe cutting mechanism, comprise frame body 11, lay respectively at the driving wheel 12 at frame body 11 4 drift angle places, straining pulley 13 and 2 driven pulleys 14, described driving wheel 12, straining pulley 13 is installed on main support 15 and respectively from support 16, this main support 15 and be all movably arranged in 2 drift angles on frame body 11 top from support 16 respective end angle, thus make driving wheel 12, straining pulley 13 can rotate around its end angle separately, described 2 driven pulleys 14 are positioned at 2 drift angles of bottom respectively, one diamond cotton rope 17 is around in driving wheel 12, between straining pulley 13 and 2 driven pulleys 14, described main support 15 is fixed with the hydraulic motor 18 that a driving driving wheel 12 rotates, an adjustment telescopic supporting rod 19 is provided with between described main support 15 other end angle and frame body 11, described from being provided with described tension force adaptive regulating mechanism 2 between support 16 other end angle and frame body 11,
Described adjustment telescopic supporting rod 19 comprises axle sleeve 191, flexible leading screw 192 further and is installed on the nut handle 193 of axle sleeve 191 one end, this flexible leading screw 192 is positioned at axle sleeve 191 and is connected with a joggle with nut handle 193, this axle sleeve 191 other end is rotatably connected with frame body 11 by locating shaft, and the end of described flexible leading screw 192 is rotatably connected by locating shaft with main support 15 other end angle;
Described tension force adaptive regulating mechanism 2 comprises connecting bushing 201 further, removable pin 202, connecting plate 203, sliding panel 204, hydraulic cylinder 205 and the loop bar 206 being set with spring 207, this loop bar 206 upper end is flexibly connected from support 16 other end angle with described by described removable pin 202, this connecting bushing 201 lower end is flexibly connected with frame body 11 by locating shaft, push rod 2051 end being fixed on the hydraulic cylinder 205 on connecting plate 203 is connected to described sliding panel 204, described spring 207 one end and loop bar 206 upper-end contact, the other end embed connecting plate 203 through hole in and be connected with sliding panel 204, this can be movably installed on connecting bushing 201 along the sliding panel 204 of spring direction movement,
Described straining pulley 13 comprises central shaft 28 further, the clutch shaft bearing 29 be installed on central shaft 28, the first connecting axle 30 being fixed on clutch shaft bearing 29 outer surface and 2 piece of first baffle plate 31, this 2 piece of first baffle plate 31 bottom is fixed on the first connecting axle 30 by pin 32, is provided with the first polyurethane lining 33 for contacting with diamond cotton rope 17 between described 2 piece of first baffle plate 31;
Described driving wheel 12 comprises the second connecting axle 36, adapter sleeve 37, second bearing 38 and 2 pieces of second baffles 39 further, these 2 pieces of second baffle 39 bottoms are fixed on the second connecting axle 36 by the second pin 40, the second polyurethane lining 41 for contacting with diamond cotton rope 17 is provided with between described 2 pieces of second baffles 39, described hydraulic motor 18 is fixed on main support 15 by adapter sleeve 37, the output shaft of hydraulic motor 18 is installed on the second connecting axle 36, and described second bearing 38 is between adapter sleeve 37 and the second connecting axle 36.
The first cushion block 34 is filled with between above-mentioned polyurethane lining 33 and the first connecting axle 30.
One first wheel cover 35 is installed on described central shaft 28 two ends and is secured by bolts in from support 16 medial surface.
Above-mentioned second bearing 38 is double-row angular contact bal bearing.
When adopting above-mentioned diamond rope saw pipe cutting mechanism, its high reliability, high stability, high safety, highly versatile, simple to operate, strengthen the stability of work, the demand of various pipeline can be adapted to, make rope saw cutting machine have stronger universal, operability, simultaneously, owing to have employed the tension force adaptive regulating mechanism of ad hoc structure and regulating telescopic supporting rod, can regulate tensile force, there will not be the situation for tensioning and over-tension, its security have also been obtained guarantee.
Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (4)

1. pipe cutting mechanism used by a diamond rope saw, it is characterized in that: comprise frame body (11), lay respectively at the driving wheel (12) at frame body (11) four drift angle places, straining pulley (13) and 2 driven pulleys (14), described driving wheel (12), straining pulley (13) is installed on main support (15) and respectively from support (16), this main support (15) and be all movably arranged in 2 drift angles on frame body (11) top from support (16) respective end angle, thus make driving wheel (12), straining pulley (13) can rotate around its end angle separately, described 2 driven pulleys (14) are positioned at 2 drift angles of bottom respectively, one diamond cotton rope (17) is around in driving wheel (12), between straining pulley (13) and 2 driven pulleys (14), described main support (15) is fixed with the hydraulic motor (18) that a driving driving wheel (12) rotates, an adjustment telescopic supporting rod (19) is provided with between described main support (15) other end angle and frame body (11), described from being provided with described tension force adaptive regulating mechanism (2) between support (16) other end angle and frame body (11),
Described adjustment telescopic supporting rod (19) comprises axle sleeve (191), flexible leading screw (192) further and is installed on the nut handle (193) of axle sleeve (191) one end, this flexible leading screw (192) is positioned at axle sleeve (191) and is connected with a joggle with nut handle (193), this axle sleeve (191) other end is rotatably connected with frame body (11) by locating shaft, and the end of described flexible leading screw (192) is rotatably connected by locating shaft with main support (15) other end angle;
Described tension force adaptive regulating mechanism (2) comprises connecting bushing (201) further, removable pin (202), connecting plate (203), sliding panel (204), hydraulic cylinder (205) and be set with the loop bar (206) of spring (207), this loop bar (206) upper end is flexibly connected from support (16) other end angle with described by described removable pin (202), this connecting bushing (201) lower end is flexibly connected with frame body (11) by locating shaft, push rod (2051) end being fixed on the hydraulic cylinder (205) on connecting plate (203) is connected to described sliding panel (204), described spring (207) one end and loop bar (206) upper-end contact, the other end embed connecting plate (203) through hole in and be connected with sliding panel (204), this can be movably installed on connecting bushing (201) along the sliding panel of spring direction movement (204),
Described straining pulley (13) comprises central shaft (28) further, the clutch shaft bearing (29) be installed on central shaft (28), the first connecting axle (30) being fixed on clutch shaft bearing (29) outer surface and 2 piece of first baffle plate (31), this 2 piece of first baffle plate (31) bottom is fixed on the first connecting axle (30) by pin (32), is provided with the first polyurethane lining (33) for contacting with diamond cotton rope (17) between described 2 piece of first baffle plate (31);
Described driving wheel (12) comprises the second connecting axle (36) further, adapter sleeve (37), second bearing (38) and 2 pieces of second baffles (39), these 2 pieces of second baffle (39) bottoms are fixed on the second connecting axle (36) by the second pin (40), the second polyurethane lining (41) for contacting with diamond cotton rope (17) is provided with between described 2 pieces of second baffles (39), described hydraulic motor (18) is fixed on main support (15) by adapter sleeve (37), the output shaft of hydraulic motor (18) is installed on the second connecting axle (36), described second bearing (38) is positioned between adapter sleeve (37) and the second connecting axle (36).
2. according to the diamond rope saw pipe cutting mechanism described in claim 1, it is characterized in that: between described polyurethane lining (33) and the first connecting axle (30), be filled with the first cushion block (34).
3. according to the diamond rope saw pipe cutting mechanism described in claim 1, it is characterized in that: one first wheel cover (35) is installed on described central shaft (28) two ends and is secured by bolts in from support (16) medial surface.
4. according to the diamond rope saw pipe cutting mechanism described in claim 1, it is characterized in that: described second bearing (38) is double-row angular contact bal bearing.
CN201510277777.7A 2015-05-27 2015-05-27 Pipeline cutting mechanism for diamond rope saw Pending CN104923854A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510277777.7A CN104923854A (en) 2015-05-27 2015-05-27 Pipeline cutting mechanism for diamond rope saw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510277777.7A CN104923854A (en) 2015-05-27 2015-05-27 Pipeline cutting mechanism for diamond rope saw

Publications (1)

Publication Number Publication Date
CN104923854A true CN104923854A (en) 2015-09-23

Family

ID=54111453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510277777.7A Pending CN104923854A (en) 2015-05-27 2015-05-27 Pipeline cutting mechanism for diamond rope saw

Country Status (1)

Country Link
CN (1) CN104923854A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108748710A (en) * 2018-08-10 2018-11-06 华侨大学 A kind of rope saw
CN109789502A (en) * 2016-08-12 2019-05-21 迪亚蒙德第一公司 Boxlike scroll saw

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617678A (en) * 1951-01-15 1952-11-11 Clarence L Kelso Pipe lowering clamp
US6267037B1 (en) * 1999-06-22 2001-07-31 Oceaneering International, Inc. Pipeline cutting apparatus
US20090314149A1 (en) * 2008-06-20 2009-12-24 Tetra Technologies, Inc. Method of cutting target members using a cutting saw device
US20100186564A1 (en) * 2009-01-26 2010-07-29 Illinois Tool Works Inc. Wire Saw
CN204639318U (en) * 2015-05-27 2015-09-16 苏州博合雅工程材料科技有限公司 Pipe cutting mechanism used by diamond rope saw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2617678A (en) * 1951-01-15 1952-11-11 Clarence L Kelso Pipe lowering clamp
US6267037B1 (en) * 1999-06-22 2001-07-31 Oceaneering International, Inc. Pipeline cutting apparatus
US20090314149A1 (en) * 2008-06-20 2009-12-24 Tetra Technologies, Inc. Method of cutting target members using a cutting saw device
US20100186564A1 (en) * 2009-01-26 2010-07-29 Illinois Tool Works Inc. Wire Saw
CN204639318U (en) * 2015-05-27 2015-09-16 苏州博合雅工程材料科技有限公司 Pipe cutting mechanism used by diamond rope saw

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109789502A (en) * 2016-08-12 2019-05-21 迪亚蒙德第一公司 Boxlike scroll saw
CN108748710A (en) * 2018-08-10 2018-11-06 华侨大学 A kind of rope saw

Similar Documents

Publication Publication Date Title
CN204912929U (en) A self -adaptation diamond coping saw for submarine pipeline cutting
CN108858117A (en) A kind of pipe cutting processing short distance transportation device
CN106738091B (en) Sharpener
CN104858497A (en) Self-adaptive diamond wire saw for submarine pipeline cutting
KR20170079810A (en) Cutting device for a pipe
CN204639319U (en) For cutting the rope saw of pipeline
CN107175364A (en) One kind automation oil pipe well external cutting off device
CN104923854A (en) Pipeline cutting mechanism for diamond rope saw
CN107138655A (en) A kind of steel bar cut-off device
CN204639318U (en) Pipe cutting mechanism used by diamond rope saw
CN104842008A (en) Wire saw for cutting pipelines
CN102009373A (en) Steel tube abrader
CN102699224A (en) Pinch roll mechanism
CN105499317B (en) A kind of straightening conveyer of hoisting-chain
CN204639320U (en) Pipelines in deep sea cutting rope saw
CN202606724U (en) Roller clamping/conveying device
CN104858495A (en) Wire saw for cutting deep sea pipeline
CN202622538U (en) Small-bore steel tube inside buffing device
CN204893655U (en) Abrasive band machine of angularly adjustable
CN202555830U (en) Metal button processing device
CN201500866U (en) Welding spin device of pipe and flange
CN103498682A (en) Hauling mechanism for drill jumbo to pull drilling machine to walk
CN209849477U (en) Screw rod drilling tool motor glue removing equipment
CN209567426U (en) A kind of two-ends milling machine feeding conveyer belt
CN204639317U (en) For the positioning and clamping mechanism of pipeline scroll saw

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150923