CN102407570B - Lifting system for multi-wire diamond wire saw - Google Patents
Lifting system for multi-wire diamond wire saw Download PDFInfo
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- CN102407570B CN102407570B CN201110342357.4A CN201110342357A CN102407570B CN 102407570 B CN102407570 B CN 102407570B CN 201110342357 A CN201110342357 A CN 201110342357A CN 102407570 B CN102407570 B CN 102407570B
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- sliding sleeve
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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
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 are as the heavy-duty machinery of cutting stone material, in the beginning of work, as the bead string rope of cast-cutting saw, to be promoted to the top of stone, along with moving down of cutting, as shown in Figure 1, its primary structure comprises frame 1, lifting sliding sleeve 2, drive motors 3, screw mandrel 4, bead string rope 5, the supporting construction that is " door " shape that frame 1 is comprised of two framework pillars 11 and back timber 12, two rhizoid bars 4 are separately fixed on back timber 12 and framework pillar base 13, drive motors 3 drives screw mandrel 4 rotations by transmission system 31, screw mandrel coordinates drive lifting sliding sleeve to move up and down with the mother nut 21 in lifting sliding sleeve, bead string rope 5 is on the wheels of lifting sliding sleeve, many ropes diamond wire saw that a common main motor current is 200KW, nearly 20 tons of the gross weights of its lifting sliding sleeve, and mainly concentrate on front end, the trend that existence is leaned forward, when this weight directly acts on the mother nut of lifting sliding sleeve, easily produce biasing moment, worsened the duty of mother nut, easily cause the damage of mother nut, when nut cannot bear the weight of a whole set of lifting sliding sleeve because of excessive wear, lifting sliding sleeve may fall suddenly and cause bead string rope to break, device damage, even there is personal injury.
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 provides a kind of lifting work to stablize, can prevent many ropes diamond wire saw jacking system that jacking system falls suddenly.
The technical solution adopted in the present invention is a kind of many rope diamond wire saw jacking systems, its primary structure comprises frame, lifting sliding sleeve, drive motors, screw mandrel, bead string rope, 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 lifting sliding sleeve, auxiliary cylinder is housed, auxiliary cylinder is fixed on base, its piston rod is hollow piston rod, internal aperture is greater than the external diameter of screw mandrel, top is open type, the mother nut lower end of lifting sliding sleeve is connected with the top of piston, the upper end of screw mandrel is connected with the transmission system of drive motors, piston rod cavity is stretched into through the mother nut of lifting sliding sleeve in lower end.
Auxiliary cylinder system of the present invention is advanced to the weight strong point of lifting sliding sleeve the center of auxiliary cylinder by original framework pillar base center, can partial offset, the weight of balance lifting system, weaken the trend leaning forward that lifting sliding sleeve causes, improved the force-bearing situation of mother nut, extend the service life of mother nut, make the more steadily reliable of saw work of restricting simultaneously, also alleviated the work load of lifting sliding sleeve drive motors.When the mother nut of lifting sliding sleeve is because of excessive wear, when cannot bear a whole set of jacking system weight and falling suddenly, this auxiliary cylinder will play the effect of a hydraulic jack, supporting elevation frame, it is not fallen, avoid causing bead string rope to break and personal injury occurs.By adjusting the thrust of auxiliary cylinder, can change the pressure of the waste material of beading sawing, thereby improve preferably to a certain extent bead string rope cutting stress state, the adjustment test that makes it can carry out optimum Cutting parameter.
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 auxiliary cylinder piston rod cavity, during leading screw rotation, by be connected the engagement of end cap internal thread with lifting sliding sleeve, rotate, rotatablely moving of elevating screw is transformed into lifting sliding sleeve and vertically moves, lifting sliding sleeve drives piston rod to do again the movement of vertical direction simultaneously.In this motion process, screw mandrel is all the time in the inner chamber in piston rod, thereby can not move interference when hollow piston rod and elevating screw work.
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 piston rod cavity.
Utilize the lubricating oil in hollow piston rod in the working environment improving between screw mandrel and piston rod, also to make part wire rod thread be rinsed and lubricate, and then improve the working environment between screw mandrel and mother nut.
The mother nut of lifting sliding sleeve is fixed with outward and promotes secondary nut, promoting secondary nut flushes with mother nut upper surface, promote secondary nut top and have detection nut, in circumferential plane, be evenly equipped with spring eye promoting contacting of secondary nut and detection nut, be built-in with spring, detect nut and promote secondary nut top by unsettled being connected to of spring, on promoting secondary nut and detecting the cylindrical of nut, have two relative anti-rotation keyways, antirotation keys is placed in anti-rotation keyway, by bolt and detection nut, fix, on the cylindrical that detects nut, also have 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 in the same position of detecting sensor holddown groove that detects nut, have the holddown groove of detecting sensor sensing chip, detecting sensor sensing chip is fixed in the holddown groove of detecting sensor sensing chip, the upper plane of detecting sensor sensing chip is concordant with the upper plane that promotes secondary nut, detecting sensor is electrically connected to control system, mother nut is connected with screw mandrel, promote secondary nut and have bolt hole, be bolted on lifting sliding sleeve.
The mother nut of lifting sliding sleeve of the present invention is fixed with outward and promotes secondary nut, can specific design be: there is the step surface of an evagination below of mother nut, on step surface, there is fixing hole, promote on secondary nut and have the screw matching with fixing hole, promote secondary nut and be connected with mother nut by bolt.
The lifting work process of lifting sliding sleeve of the present invention is: drive motors drives screw mandrel rotation, screw mandrel drives mother nut, mother nut drives and promotes secondary nut, secondary nut drives lifting sliding sleeve to move up and down, because native system transmission adopts engage thread, thus there will be unavoidably in the course of the work the wearing and tearing between pair of nut, when inordinate wear appears in mother nut, lifting sliding sleeve cannot be born nearly during 20 tons of weight, falling suddenly of sliding sleeve may be occurred.For avoiding this situation to occur, in mother nut upper surface, install one and detect nut, at detection nut, be fixed with detecting sensor outward, by detecting sensor, detect the wearing clearance of pair of nut between mother nut and screw mandrel, monitor constantly the wear condition of mother nut thread, mother nut wearing and tearing are more serious, mother nut and the gap of detecting between nut are larger, detecting sensor is electrically connected to control system, in real time testing result is transferred to control system, compare with the numerical value of storing in control system, once the distance between detecting sensor and detecting sensor sensing chip exceeds setting value, control system stops drive motors work, and output alarm signal.Anti-rotation bond energy prevents from detecting nut and in the lifting process of lifting sliding sleeve, occurs the rotation of circumferencial direction, but in axial direction trace is mobile to allow to detect nut, between detection nut and the connecting end surface of the secondary nut of lifting, be along the circumferential direction evenly arranged spring, because in motion process, detect nut and also have a small amount of wearing and tearing, when there are wearing and tearing, detecting nut down hung by deadweight, dwindle mother nut and detected the gap between nut, affected the sensitivity of detecting sensor, may occur that mother nut has worn up to set detecting sensor alarm condition, owing to detecting the wearing and tearing of nut self, decline, and the relative gap between mother nut and detection nut is reduced, detecting sensor fails to report to the police, at mother nut and the connecting end surface that detects nut, add spring, spring can back down the clearance distance causing because detecting nut wearing and tearing automatically, and record actual mother nut wearing clearance, guarantee the sensitivity of detecting sensor.
Specific design: the height that detects nut is that 50-60mm, tooth are apart from being 16mm.
Promote secondary nut and detect between nut and be evenly arranged 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 lifting sliding sleeve, as lifting sliding sleeve and the connecting bolt that promotes secondary nut, avoid because limit switch is malfunctioning, causing the collision of lifting sliding sleeve and upright post base in sliding sleeve decline process, preventing that drive motors from working on makes sliding sleeve connecting bolt occur excess load and damage, cause screw mandrel to depart from sliding sleeve phenomenon, excess load active force is born by the anti-screw thread of installing.
In the transmission system of lifting motor, respectively have a rotary encoder on two enhancing screw tops, rotary encoder is electrically connected to control system.When mother nut degree of wear rotating speed inconsistent and two rhizoid bars in both sides is inconsistent, can make saw rope in same cutting planes produce upper and lower inconsistent phenomenon, when serious, will break saw rope, rotary encoder detects in real time the rotating speed of screw mandrel and testing result is transferred to control system, when abnormal more than transmission system occurs, control system can stop work the output alarm signal of lifting motor.
The invention has the advantages that: by a set of auxiliary cylinder system is set; the weight of counteracting, balance saw jacking system and biasing moment; saw work is obtained more steadily reliable; increased detecting sensor, rotary encoder can autostop when mother nut wearing and tearing reach degree of danger and whole transmission system and go wrong simultaneously, has avoided causing bead string rope to be broken because the wearing and tearing of jacking system drive disk assembly cause elevator platform to fall.
Accompanying drawing explanation
Fig. 1 is existing many rope diamond wire saw structural representations
Fig. 2 is structural representation of the present invention
Fig. 3 is the part side view of Fig. 2
Fig. 4 is for detecting the top 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 pillar 12 back timber 13 base 2 lifting sliding sleeve 21 mother nut 211 step surfaces 22 promote secondary nut 221 bolt hole 23 bolts 24 and detect nut 25 spring 26 antirotation keys 27 detecting sensor 28 detecting sensor sensing chip 3 drive motors 31 transmission system 32 rotary encoder 4 screw mandrel 41 rolling bearing 5 bead string rope 7 auxiliary cylinder 71 piston rods.
The specific embodiment
Below in conjunction with view, the present invention is described in detail.
Outer being fixed with of mother nut 21 of lifting sliding sleeve promotes secondary nut 22, in the design, there is the step surface 211 of an evagination below of mother nut 21, on step surface 211, there is fixing hole, promote on secondary nut 22 and have the screw matching with fixing hole, promoting secondary nut 22 is fixed on mother nut 21 by bolt 23, promoting secondary nut 22 flushes with mother nut 21 upper surfaces, promote secondary nut 22 tops and have the nut 24 of detection, the height that detects nut 24 is 50-60mm, tooth distance is 16mm, being connected of secondary nut 22 and detection nut 24 in circumferential plane, be evenly equipped with spring eye promoting, be built-in with spring 25, in the design, there are 10 springs, detect nut 24 and promote secondary nut 22 tops by unsettled being connected to of spring 25, on promoting secondary nut 22 and detecting the cylindrical of nut 24, have two relative anti-rotation keyways, antirotation keys 26 is placed in anti-rotation keyway, fixing with detection nut 24 by bolt, on the cylindrical that detects nut 24, also have a detecting sensor holddown groove, in the design, detecting sensor holddown groove becomes 90 degree with anti-rotation keyway, 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 has the holddown groove of detecting sensor sensing chip 28 in the same position of the detecting sensor holddown groove with at detection nut 24, detecting sensor sensing chip 28 is fixed in the holddown groove of detecting sensor sensing chip, the upper plane of detecting sensor sensing chip 28 is concordant with the upper plane that promotes secondary nut 22, detecting sensor 27 is electrically connected to control system, detecting sensor detects the gap between nut and mother nut constantly, it is the distance between detecting sensor 27 and detecting sensor sensing chip 28, in real time testing result is transferred to control system, compare with the numerical value of storing in control system, once the distance between detecting sensor 27 and detecting sensor sensing chip 28 exceeds setting value, control system stops drive motors work.Mother nut 21 is connected with screw mandrel 4, promote secondary nut 22 and have bolt hole 221, by bolt, a whole set of mother nut device is fixed on lifting sliding sleeve 2, promotes secondary nut 22 and adopt the anti-thread connecting mode of installing with the external screw thread of mother nut 21, the internal and external threads rotation direction of mother nut is contrary.
In the transmission system 31 of drive motors 3, have rotary encoder 32, rotary encoder 32 is electrically connected to control system.When both sides, the mother nut degree of wear is inconsistent, make saw rope in same cutting planes produce upper and lower inconsistent phenomenon, when serious, will break saw rope, rotary encoder detects the rotating speed of screw mandrel constantly, in real time testing result is transferred to 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 while having this situation, and control system will be sent instruction, and system quits work.
Owing to having increased detecting sensor 27 and rotary encoder 32, control system in the design, on existing control system basis, correspondingly to have increased the comparison system of detecting sensor, the data that detecting sensor is detected compare and judge, once reach dangerous values, to send instruction, system quits work.The data that simultaneously two rotary encoders passed compare, once asynchronous, control system will be sent 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), lifting sliding sleeve (2), drive motors (3), screw mandrel (4), bead string 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 lifting sliding sleeve (2), auxiliary cylinder (7) is housed, auxiliary cylinder (7) is fixed on base (13), its piston rod (71) is hollow piston rod, internal aperture is greater than the external diameter of screw mandrel (4), top is open type, the lower end of the mother nut of lifting sliding sleeve (21) is connected with the top of piston, the upper end of screw mandrel (4) is connected with the transmission system (31) of drive motors (3), piston rod (71) inner chamber is stretched into through the mother nut (21) of lifting sliding sleeve in lower end, drive motors (3) is connected with control system with the motor of auxiliary cylinder (7).
2. a kind of many rope diamond wire saw jacking systems according to claim 1, 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, is characterized in that: rolling bearing (41) is equipped with in the lower end of screw mandrel (4), in piston rod (71) inner chamber, are added with lubricating oil.
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 lifting sliding sleeve (21) promotes secondary nut (22), promoting secondary nut (22) flushes with mother nut (21) upper surface, promote secondary nut (22) top and have detection nut (24), being connected of secondary nut (22) and detection nut (24) in circumferential plane, be evenly equipped with spring eye promoting, be built-in with spring (25), detect nut (2) and promote secondary nut (22) top by unsettled being connected to of spring (25), on promoting secondary nut (22) and detecting the cylindrical of nut (24), have two relative anti-rotation keyways, antirotation keys (26) is placed in anti-rotation keyway, fixing by bolt and detection nut (24), 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) has the holddown groove of detecting sensor sensing chip (28) in the same position of the detecting sensor holddown groove with at detection nut (24), detecting sensor sensing chip (28) is fixed in the holddown groove of detecting sensor sensing chip, the upper plane of detecting sensor sensing chip (28) is concordant with the upper plane that promotes secondary nut (22), detecting sensor (27) is electrically connected to control system, mother nut (21) is connected with screw mandrel (4), promoting secondary nut (22) has bolt hole (221) to be bolted on lifting sliding sleeve (2).
5. a kind of many rope diamond wire saw jacking systems according to claim 4, is characterized in that: promote secondary nut (22) and adopt the anti-thread connecting mode of installing with the external screw thread of mother nut (21).
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 refers to mother nut (21), step surface has fixing hole on (211), promote on secondary nut (22) and have the screw matching with fixing hole, promote secondary nut (22) and be connected with mother nut (21) by 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 detection nut (24) and be evenly arranged 10 springs (25).
9. a kind of many rope diamond wire saw jacking systems according to claim 1, is characterized in that: in the transmission system (31) of drive motors (3), have rotary encoder (32), rotary encoder (32) is electrically connected to control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342357.4A CN102407570B (en) | 2011-11-03 | 2011-11-03 | Lifting system for multi-wire diamond wire saw |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110342357.4A CN102407570B (en) | 2011-11-03 | 2011-11-03 | Lifting system for multi-wire diamond wire saw |
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| CN102407570A CN102407570A (en) | 2012-04-11 |
| CN102407570B true CN102407570B (en) | 2014-04-16 |
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| CN201110342357.4A Active CN102407570B (en) | 2011-11-03 | 2011-11-03 | Lifting system for multi-wire diamond wire saw |
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Families Citing this family (6)
| 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 |
| CN102941625B (en) * | 2012-10-31 | 2016-08-10 | 荣成中磊石材有限公司 | A kind of 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 |
| CN105365053B (en) * | 2015-12-16 | 2017-03-22 | 苏金溢 | Complete set of full-automatic and multifunctional stone processing equipment and processing method |
| CN105382937B (en) * | 2015-12-16 | 2017-03-29 | 苏金溢 | Batten automatic feed and shedding mechanism and method of work |
| 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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| CN1053470A (en) * | 1990-01-16 | 1991-07-31 | 全苏科学院西伯利亚矿业分院 | Hydraulic prop |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737025B2 (en) * | 1993-02-23 | 1995-04-26 | 慎吾 大給 | Diamond wire saw drive |
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2011
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Patent Citations (4)
| 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 |
| 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 |
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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. |
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