CN102407570A - Lifting system for multi-wire diamond wire saw - Google Patents

Lifting system for multi-wire diamond wire saw Download PDF

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Publication number
CN102407570A
CN102407570A CN2011103423574A CN201110342357A CN102407570A CN 102407570 A CN102407570 A CN 102407570A CN 2011103423574 A CN2011103423574 A CN 2011103423574A CN 201110342357 A CN201110342357 A CN 201110342357A CN 102407570 A CN102407570 A CN 102407570A
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China
Prior art keywords
nut
detecting sensor
sliding sleeve
mother
diamond wire
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Granted
Application number
CN2011103423574A
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Chinese (zh)
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CN102407570B (en
Inventor
陈礼干
朱文志
刘庆峰
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Fujian Tianshiyuan Technology Co.,Ltd.
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FUZHOU TIANSHIYUAN SUPERHARD MATERAIL TOOL Co Ltd
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Priority to CN201110342357.4A priority Critical patent/CN102407570B/en
Publication of CN102407570A publication Critical patent/CN102407570A/en
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Publication of CN102407570B publication Critical patent/CN102407570B/en
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Abstract

The invention belongs to a lifting system for a multi-wire diamond wire saw. The main structure of the lifting system for the multi-rope diamond wire saw comprises a stand, lifting sliding sleeves, a driving motor, screw rods and a string bead wire, wherein the stand is of a door-shaped support structure formed by two stand upright posts and a top beam; auxiliary oil cylinders are arranged between bases of the stand upright posts and the lifting sliding sleeves and are fixedly arranged on the bases; piston rods of the auxiliary oil cylinders are hollow piston rods; inner bores of the piston rods are greater than the outside diameter of the screw rod; the top end of the lifting system is opened; the lower end of a main nut of each lifting sliding sleeve is connected with the top end of the corresponding piston; the upper ends of the screw rods are connected with a driving system of the driving motor; and the lower ends of the screw rods penetrate through the main nuts of the lifting sliding sleeves and extend into inner cavities of the piston rods. According to the lifting system disclosed by the invention, an auxiliary oil cylinder system is additionally arranged for offsetting and balancing the weight and bias torque of the lifting system of a saw machine; and a detection sensor and a rotary coder are additionally arranged, so that automatic shutdown can be realized when the wear of the main nut reaches a dangerous degree and the whole driving system has faults and further accidents are avoided.

Description

Many rope diamond wire saw jacking systems
Technical field
The invention belongs to part, parts or the field of accessories of lathe, especially belong to many rope diamond wire saw jacking systems.
Background technology
Existing many rope (being often referred to more than 5) diamond wire saws in the beginning of work, will be promoted to the top of stone as the heavy-duty machinery of cutting stone material as the beading rope of cast-cutting saw; Along with moving down of cutting, as shown in Figure 1, its primary structure comprises frame 1, up-down sliding sleeve 2, drive motors 3, screw mandrel 4, beading rope 5; The supporting construction that is " door " shape that frame 1 is made up of two framework pillars 11 and back timber 12, two rhizoid bars 4 are separately fixed on back timber 12 and the framework pillar base 13, and drive motors 3 drives screw mandrels 4 rotations through transmission system 31; Screw mandrel cooperates with mother nut 21 in the up-down sliding sleeve and drives the up-down sliding sleeve and move up and down, beading rope 5 on the wheels of up-down sliding sleeve, many ropes diamond wire saw that a common main motor current is 200KW; Nearly 20 tons of the gross weights of its up-down sliding sleeve, and mainly concentrate on front end, there is the trend that leans forward; Directly act on when this weight on the mother nut of up-down sliding sleeve; Be prone to produce biasing moment, worsened the duty of mother nut, cause the damage of mother nut easily; When nut can't bear the weight of a whole set of up-down sliding sleeve because of excessive wear; The up-down sliding sleeve may fall suddenly and cause beading rope to break, device damage, even personal injury takes place.
Summary of the invention
The object of the invention is to overcome the shortcoming that above-mentioned many rope diamond wire saw jacking systems exist, and a kind of working stability that goes up and down is provided, can prevents many ropes diamond wire saw jacking system that jacking system falls suddenly.
The technical scheme that the present invention adopted is a kind of many rope diamond wire saw jacking systems, and its primary structure comprises frame, up-down sliding sleeve, drive motors, screw mandrel, beading rope, and frame is the supporting construction of " door " shape by two framework pillars and back timber; Its main points are, between the base of framework pillar and up-down sliding sleeve, auxiliary cylinder are housed, and auxiliary cylinder is fixed on the base; Its piston rod is the hollow piston bar; Internal aperture is greater than the external diameter of screw mandrel, and the top is an open type, and the mother nut lower end of up-down sliding sleeve links to each other with the top of piston; The upper end of screw mandrel links to each other with the transmission system of drive motors, and the mother nut that the up-down sliding sleeve is passed in the lower end stretches into piston rod cavity.
Auxiliary cylinder of the present invention system is advanced to the weight strong point of up-down sliding sleeve the center of auxiliary cylinder by original framework pillar center; But the weight of partial offset, balance lifting system; Weaken the trend that leans forward that the up-down sliding sleeve is caused, improved the force-bearing situation of mother nut, prolong the service life of mother nut; Make the more steadily reliable of rope saw work simultaneously, also alleviated the work load of up-down sliding sleeve drive motors.When the mother nut of up-down sliding sleeve because of excessive wear; Can't bear a whole set of jacking system weight and when falling suddenly, this auxiliary cylinder will play the effect of a hydraulic jack, the supporting elevation frame; It is not fallen, avoid causing beading ropes to break and personal injury takes place.Through the thrust of adjustment auxiliary cylinder, can change the pressure of the waste material of beading sawing, thereby improve beading rope cutting stress state to a certain extent preferably, make its adjustment that can carry out optimum Cutting parameter test.
The degree of depth of piston rod endoporus is greater than leading screw maximum functional stroke.
The present invention stretches into elevating screw one end in the auxiliary cylinder piston rod cavity; During the leading screw rotation; Rotate through be connected the engagement of end cap internal thread with the up-down sliding sleeve, rotatablely moving of elevating screw is transformed into the up-down sliding sleeve vertically moves, the up-down sliding sleeve drives piston rod and does moving of vertical direction simultaneously again.In this motion process, screw mandrel is in the inner chamber of piston rod all the time, thereby can not move interference during the work of hollow piston bar and elevating screw.
Rolling bearing is equipped with in the lower end of screw mandrel, to reduce the frictional force of screw mandrel and piston rod cavity, is added with lubricating oil in the piston rod cavity.
Utilize the lubricating oil in the hollow piston bar in the working environment that improves between screw mandrel and piston rod, also to make the part wire rod thread obtain flushing and lubricated, and then improve the working environment between screw mandrel and mother nut.
The mother nut of up-down sliding sleeve is fixed with outward and promotes secondary nut, promotes secondary nut and flushes with the mother nut upper surface, and promoting secondary nut top has the detection nut; Be evenly equipped with spring eye at the secondary nut of lifting on the circumferential plane with detecting contacting of nut, be built-in with spring, detect nut and promote secondary nut top through unsettled being connected of spring; Promote on secondary nut and the cylindrical that detects nut and have two relative anti-rotation keyways; Antirotation keys is placed in the anti-rotation keyway, fixes with detecting nut through bolt, on the cylindrical that detects nut, also has a detecting sensor holddown groove; Detecting sensor is fixed in the detecting sensor holddown groove on the cylindrical that detects nut; Promote the cylindrical of secondary nut and the holddown groove that on the same position of the detecting sensor holddown groove that detects nut, has the detecting sensor sensing chip, the detecting sensor sensing chip is fixed in the holddown groove of detecting sensor sensing chip, and the last plane of detecting sensor sensing chip is concordant with the last plane that promotes secondary nut; Detecting sensor is electrically connected with the control system; Mother nut is connected with screw mandrel, and promoting secondary nut has bolt hole, through being bolted on the up-down sliding sleeve.
The mother nut of up-down sliding sleeve of the present invention is fixed with outward and promotes secondary nut; Can specifically be designed to: there is the step surface of an evagination below of mother nut; Fixing hole is arranged on the step surface, and promoting has the screw that is complementary with fixing hole on the secondary nut, promotes secondary nut and is connected with mother nut through bolt.
The go up and down up-down course of work of sliding sleeve of the present invention is: drive motors drives the screw mandrel rotation, and screw mandrel drives mother nut, and mother nut drives and promotes secondary nut; Secondary nut drives the up-down sliding sleeve and moves up and down; Because of engage thread is adopted in the native system transmission, thus the wearing and tearing between the pair of nut can appear in the course of the work unavoidably, when inordinate wear appears in mother nut; The up-down sliding sleeve can't be born nearly during 20 tons of weight, falling suddenly of sliding sleeve may be occurred.For avoiding this situation to take place, install one in the mother nut upper surface and detect nut, outside detecting nut, be fixed with detecting sensor; Through the wearing clearance of pair of nut between detecting sensor detection mother nut and the screw mandrel, monitor the wear condition of mother nut thread constantly, the mother nut wearing and tearing are serious more; Mother nut and the gap of detecting between nut are big more, and detecting sensor is electrically connected with the control system, in real time testing result is transferred to the control system; Compare with the numerical value of storing in the control system; In case the distance between detecting sensor and the detecting sensor sensing chip exceeds setting value, the control system stops drive motors work, and output alarm signal.The anti-rotation bond energy prevents to detect circumferencial direction appears in nut in the lifting process of up-down sliding sleeve rotation, and in axial direction trace is mobile but permission detects nut, being connected of secondary nut has along the circumferential direction evenly arranged spring between the end face at the detection nut with lifting; Because in motion process, detect nut and also have small amount of wear, when wearing and tearing occurring; Detect nut and down hung by deadweight, dwindled mother nut and detected the gap between the nut, influenced the sensitivity of detecting sensor; Mother nut promptly possibly occur and wear up to set detecting sensor alarm condition; Descend owing to detect the wearing and tearing of nut self, and the relative gap between mother nut and the detection nut is reduced, detecting sensor fails to report to the police; Add spring at mother nut with the end face that is connected that detects nut; Spring can back down the clearance distance that causes because of the wearing and tearing of detection nut automatically, and records actual mother nut wearing clearance, guarantees the sensitivity of detecting sensor.
Concrete design: the height that detects nut is that 50-60mm, tooth are apart from being 16mm.
Promote secondary nut and detect between the nut and evenly be furnished with 10 springs.
The external screw thread that promotes secondary nut and mother nut adopts the anti-thread connecting mode of installing.Can alleviate the intensity of connecting bolt in the up-down sliding sleeve; As go up and down sliding sleeve and the connecting bolt that promotes secondary nut; Avoid in sliding sleeve decline process causing the collision of up-down sliding sleeve and column base because of limit switch is malfunctioning; Preventing that drive motors from working on makes the sliding sleeve connecting bolt excess load occur and damages that cause screw mandrel to break away from the sliding sleeve phenomenon, the excess load active force is born by the screw thread of anti-installation.
Promote in the transmission system of motor, on two lifting screw mandrel tops, a rotary encoder is arranged respectively, rotary encoder is electrically connected with the control system.When mother nut degree of wear rotating speeds inconsistent and two rhizoid bars in both sides are inconsistent; Can make the interior saw rope of same cutting planes produce inconsistent phenomenon up and down; To break the saw rope when serious; Rotary encoder detects the rotating speed of screw mandrel in real time and testing result is transferred to the control system, and when transmission system occurs abovely unusually the time, the control system can stop to promote the work and the output alarm signal of motor.
The invention has the advantages that: through a cover auxiliary cylinder system is set; The weight of counteracting, balance saw jacking system and biasing moment; It is more steadily reliable to make saw work get; Having increased detecting sensor, rotary encoder simultaneously can autostop when the mother nut wearing and tearing reach degree of danger and whole drive system and go wrong, and has avoided causing beading rope to be broken because the wearing and tearing of jacking system drive disk assembly cause elevator platform to fall.
Description of drawings
Fig. 1 is existing many rope diamond wire saw structural representations
Fig. 2 is a structural representation of the present invention
Fig. 3 is the part side view of Fig. 2
Fig. 4 is for detecting the vertical view of nut
Fig. 5 is the A-A partial sectional view of Fig. 4
Fig. 6 is the structural representation of screw mandrel of the present invention and mother nut coupling part
Wherein: 1 frame, 11 framework pillars, 12 back timbers, 13 bases, 2 up-down sliding sleeves, 21 mother nuts, 211 step surfaces 22 promote secondary nut 221 bolts hole 23 bolts 24 and detect nuts 25 springs 26 antirotation keys 27 detecting sensors 28 detecting sensor sensing chips 3 drive motors 31 transmission systems 32 rotary encoders 4 screw mandrels 41 rolling bearings 5 beading 7 auxiliary cylinders, 71 piston rods of restricting.
The specific embodiment
Below in conjunction with view the present invention is carried out detailed description.
Embodiment 1, like Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, and a kind of many rope diamond wire saw jacking systems; Its primary structure comprises frame 1, up-down sliding sleeve 2, drive motors 3, screw mandrel 4, beading rope 5, control system, and frame 1 is identical with existing frame, is made up of two framework pillars 11 and back timber 12; The supporting construction that is " door " shape is equipped with auxiliary cylinder 7 between the base 13 of framework pillar 11 and up-down sliding sleeve 2, auxiliary cylinder 7 is fixed on the base 13; Its piston rod 71 is the hollow piston bar, and internal aperture is greater than the external diameter of screw mandrel 4, and the top is an open type; The lower end of the mother nut 21 of up-down sliding sleeve links to each other with the piston cap of piston tip; The upper end of screw mandrel 4 links to each other with the transmission system 31 of drive motors 3, and the mother nut 21 that the up-down sliding sleeve is passed in the lower end stretches into piston rod 71 inner chambers, and rolling bearing 41 is equipped with in the lower end of its lower end screw mandrel; To reduce the frictional force of screw mandrel and piston rod cavity; Make screw mandrel not frayed, also reduce the wearing and tearing of piston rod cavity simultaneously, be added with lubricating oil in piston rod 71 inner chambers; It is lubricated preferably that the working portion wire rod thread is obtained, and then improve the working environment between screw mandrel and mother nut.The degree of depth of piston rod endoporus makes the impulse stroke of screw mandrel unaffected greater than leading screw maximum functional stroke.
Mother nut 21 outer being fixed with of up-down sliding sleeve promote secondary nut 22, and there is the step surface 211 of an evagination below of mother nut 21 among the design, on the step surface 211 fixing hole is arranged; Promoting on the secondary nut 22 has the screw that is complementary with fixing hole, promotes secondary nut 22 and is fixed on the mother nut 21 through bolt 23, promotes secondary nut 22 and flushes with mother nut 21 upper surfaces; Promote secondary nut 22 tops the nut 24 of detection is arranged; The height that detects nut 24 is that 50-60mm, tooth distance are 16mm, being connected of nut 24 is evenly equipped with spring eye on the circumferential plane at the secondary nut 22 of lifting with detection, is built-in with spring 25; 10 springs are arranged among the design; Detect nut 24 and promote secondary nut 22 tops through spring 25 unsettled being connected, promote on secondary nut 22 and the cylindrical that detects nut 24 and have two relative anti-rotation keyways, antirotation keys 26 is placed in the anti-rotation keyway; Fixing through bolt with detection nut 24; On the cylindrical that detects nut 24, also have a detecting sensor holddown groove, the detecting sensor holddown groove becomes 90 degree among the design with the anti-rotation keyway, and detecting sensor 27 is fixed in the detecting sensor holddown groove on the cylindrical that detects nut 24; The cylindrical that promotes secondary nut 22 with the same position of the detecting sensor holddown groove that is detecting nut 24 on have the holddown groove of detecting sensor sensing chip 28; Detecting sensor sensing chip 28 is fixed in the holddown groove of detecting sensor sensing chip, and the last plane of detecting sensor sensing chip 28 is concordant with the last plane that promotes secondary nut 22, and detecting sensor 27 is electrically connected with the control system; Detecting sensor detects the gap between nut and the mother nut constantly; Be the distance between detecting sensor 27 and the detecting sensor sensing chip 28, in real time testing result be transferred to the control system, compare with the numerical value of storing in the control system; In case the distance between detecting sensor 27 and the detecting sensor sensing chip 28 exceeds setting value, the control system stops drive motors work.Mother nut 21 is connected with screw mandrel 4; Promote secondary nut 22 bolt hole 221 is arranged; Through bolt a whole set of mother nut device is fixed on the up-down sliding sleeve 2, the external screw thread that promotes secondary nut 22 and mother nut 21 adopts the anti-thread connecting mode of installing, and promptly the internal and external threads rotation direction of mother nut is opposite.
Have rotary encoder 32 in the transmission system 31 of drive motors 3, rotary encoder 32 is electrically connected with the control system.The mother nut degree of wear is inconsistent when both sides, makes the interior saw rope of same cutting planes produce inconsistent phenomenon up and down, will break the saw rope in the time of seriously; Rotary encoder detects the rotating speed of screw mandrel constantly, in real time testing result is transferred to the control system, when mother nut has different wearing and tearing or transmission link to break down; Two screw mandrel rotating speeds are different; Rotary encoder detects when this situation is arranged, and the control system will send instruction, and system quits work.
Owing to increased detecting sensor 27 and rotary encoder 32; Control system among the design; Be the comparison system that on existing control system-based, has correspondingly increased detecting sensor, the data that detecting sensor detected compared and make judgement, in case reach dangerous values; To send instruction, system quits work.Simultaneously two data that rotary encoder passed are compared, in case asynchronous, the control system will send instruction, and system quits work.

Claims (9)

1. the diamond wire saw jacking system of rope more than a kind; Its primary structure comprises frame (1), up-down sliding sleeve (2), drive motors (3), screw mandrel (4), beading rope (5), control system; Frame (1) is the supporting construction of " door " shape by two framework pillars (11) and back timber (12); It is characterized in that: between the base (13) of framework pillar (11) and up-down sliding sleeve (2), auxiliary cylinder (7) is housed, auxiliary cylinder (7) is fixed on the base (13), and its piston rod (71) is the hollow piston bar; Internal aperture is greater than the external diameter of screw mandrel (4); The top is an open type, and the lower end of the mother nut of up-down sliding sleeve (21) links to each other with the top of piston, and the upper end of screw mandrel (4) links to each other with the transmission system (31) of drive motors (3); The mother nut (21) that the up-down sliding sleeve is passed in the lower end stretches into piston rod (71) inner chamber, and the motor of drive motors (3) and auxiliary cylinder (7) is connected with the control system.
2. a kind of many rope diamond wire saw jacking systems according to claim 1, it is characterized in that: the degree of depth of piston rod endoporus is greater than leading screw maximum functional stroke.
3. a kind of many rope diamond wire saw jacking systems according to claim 1, it is characterized in that: rolling bearing (41) is equipped with in the lower end of screw mandrel (4), is added with lubricating oil in piston rod (71) inner chamber.
4. a kind of many rope diamond wire saw jacking systems according to claim 1; It is characterized in that: outer being fixed with of the mother nut of up-down sliding sleeve (21) promotes secondary nut (22); Promoting secondary nut (22) flushes with mother nut (21) upper surface; Promote secondary nut (22) top detection nut (24) is arranged; Be evenly equipped with spring eye on the circumferential plane in secondary nut of lifting (22) and being connected of detection nut (24); Be built-in with spring (25), detect nut (2) and promote secondary nut (22) top, promote on the cylindrical of secondary nut (22) and detection nut (24) and have two relative anti-rotation keyways through unsettled being connected of spring (25); Antirotation keys (26) is placed in the anti-rotation keyway; Fix with detecting nut (24) through bolt, on the cylindrical that detects nut (24), also have a detecting sensor holddown groove, detecting sensor (27) is fixed in the detecting sensor holddown groove on the cylindrical that detects nut (24); The cylindrical that promotes secondary nut (22) with the same position of the detecting sensor holddown groove that is detecting nut (24) on have the holddown groove of detecting sensor sensing chip (28); Detecting sensor sensing chip (28) is fixed in the holddown groove of detecting sensor sensing chip, and the last plane of detecting sensor sensing chip (28) is concordant with the last plane that promotes secondary nut (22), and detecting sensor (27) is electrically connected with the control system; Mother nut (21) is connected with screw mandrel (4), and promoting secondary nut (22) has bolt hole (221) through being bolted on the up-down sliding sleeve (2).
5. a kind of many rope diamond wire saw jacking systems according to claim 4, it is characterized in that: the external screw thread that promotes secondary nut (22) and mother nut (21) adopts the anti-thread connecting mode of installing.
6. a kind of many rope diamond wire saw jacking systems according to claim 4; It is characterized in that: outer being fixed with of described mother nut (21) promotes secondary nut (22); There is the step surface (211) of an evagination below that is meant mother nut (21); Step surface has fixing hole on (211), and promoting on the secondary nut (22) has the screw that is complementary with fixing hole, promotes secondary nut (22) and is connected with mother nut (21) through bolt (23).
7. a kind of many rope diamond wire saw jacking systems according to claim 4 is characterized in that: the height that detects nut (24) is that 50-60mm, tooth are apart from being 16mm.
8. a kind of many rope diamond wire saw jacking systems according to claim 4 is characterized in that: promote between secondary nut (22) and the detection nut (24) and evenly be furnished with 10 springs (25).
9. a kind of many rope diamond wire saw jacking systems according to claim 1, it is characterized in that: have rotary encoder (32) in the transmission system (31) of drive motors (3), rotary encoder (32) is electrically connected with the control system.
CN201110342357.4A 2011-11-03 2011-11-03 Lifting system for multi-wire diamond wire saw Active CN102407570B (en)

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CN102407570B CN102407570B (en) 2014-04-16

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102935664A (en) * 2012-10-31 2013-02-20 荣成中磊石材有限公司 Portal frame diamond string bead wire gang saw
CN102941625A (en) * 2012-10-31 2013-02-27 荣成中磊石材有限公司 Four-column framework diamond string-bead rope gang saw
CN104647619A (en) * 2013-11-22 2015-05-27 烟台力凯电子科技有限公司 Four guide post worktable type multi-wire sawing machine
CN105365053A (en) * 2015-12-16 2016-03-02 苏金溢 Complete set of full-automatic and multifunctional stone processing equipment and processing method
CN105382937A (en) * 2015-12-16 2016-03-09 苏金溢 Automatic batten feed and discharge mechanism and operating method
CN108443444A (en) * 2018-05-08 2018-08-24 安徽世界村新材料有限公司 A kind of double nut screw mechanism and its anti-drop method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053470A (en) * 1990-01-16 1991-07-31 全苏科学院西伯利亚矿业分院 Hydraulic prop
JPH06246737A (en) * 1993-02-23 1994-09-06 Shingo Ogyu Driver for diamond wire saw
CN2780392Y (en) * 2005-01-10 2006-05-17 中国海洋石油总公司 String saw machine for diamond
CN101386092A (en) * 2008-10-24 2009-03-18 田鹏飞 Metal band sawing machine feeding hydrocylinder
CN202367868U (en) * 2011-11-03 2012-08-08 福州天石源超硬材料工具有限公司 Lifting system for multi-rope diamond bead wire saw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053470A (en) * 1990-01-16 1991-07-31 全苏科学院西伯利亚矿业分院 Hydraulic prop
JPH06246737A (en) * 1993-02-23 1994-09-06 Shingo Ogyu Driver for diamond wire saw
CN2780392Y (en) * 2005-01-10 2006-05-17 中国海洋石油总公司 String saw machine for diamond
CN101386092A (en) * 2008-10-24 2009-03-18 田鹏飞 Metal band sawing machine feeding hydrocylinder
CN202367868U (en) * 2011-11-03 2012-08-08 福州天石源超硬材料工具有限公司 Lifting system for multi-rope diamond bead wire saw

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102935664A (en) * 2012-10-31 2013-02-20 荣成中磊石材有限公司 Portal frame diamond string bead wire gang saw
CN102941625A (en) * 2012-10-31 2013-02-27 荣成中磊石材有限公司 Four-column framework diamond string-bead rope gang saw
CN104647619A (en) * 2013-11-22 2015-05-27 烟台力凯电子科技有限公司 Four guide post worktable type multi-wire sawing machine
CN105365053A (en) * 2015-12-16 2016-03-02 苏金溢 Complete set of full-automatic and multifunctional stone processing equipment and processing method
CN105382937A (en) * 2015-12-16 2016-03-09 苏金溢 Automatic batten feed and discharge mechanism and operating method
CN105365053B (en) * 2015-12-16 2017-03-22 苏金溢 Complete set of full-automatic and multifunctional stone processing equipment and processing method
CN108443444A (en) * 2018-05-08 2018-08-24 安徽世界村新材料有限公司 A kind of double nut screw mechanism and its anti-drop method
CN108443444B (en) * 2018-05-08 2023-12-22 新疆哈建建筑工程有限责任公司 Double-nut screw mechanism and anti-falling method thereof

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Address after: Zone 2, Tieling Industrial Zone, Sugarcane Town, Minhou County, Fuzhou City, Fujian Province, 350100

Patentee after: Fujian Tianshiyuan Technology Co.,Ltd.

Address before: Zone 2, Tieling Industrial Zone, Sugarcane Town, Minhou County, Fuzhou City, Fujian Province, 350100

Patentee before: FUZHOU SKYSTONE DIAMOND TOOL Co.,Ltd.