CN102502383A - Double-coding mounting bracket for directly-connected low-speed lifter and transmission shafts - Google Patents

Double-coding mounting bracket for directly-connected low-speed lifter and transmission shafts Download PDF

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Publication number
CN102502383A
CN102502383A CN2011103236239A CN201110323623A CN102502383A CN 102502383 A CN102502383 A CN 102502383A CN 2011103236239 A CN2011103236239 A CN 2011103236239A CN 201110323623 A CN201110323623 A CN 201110323623A CN 102502383 A CN102502383 A CN 102502383A
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CN
China
Prior art keywords
mounting bracket
transmission shaft
encoder
speed measuring
data line
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
CN2011103236239A
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Chinese (zh)
Inventor
徐亚民
张瑞君
张玉相
程传印
张君勇
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.)
FUCUN COAL Co Ltd OF ZAOZHUANG MINING GROUP
Original Assignee
FUCUN COAL Co Ltd OF ZAOZHUANG MINING GROUP
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.)
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Publication date
Application filed by FUCUN COAL Co Ltd OF ZAOZHUANG MINING GROUP filed Critical FUCUN COAL Co Ltd OF ZAOZHUANG MINING GROUP
Priority to CN2011103236239A priority Critical patent/CN102502383A/en
Publication of CN102502383A publication Critical patent/CN102502383A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a double-coding mounting bracket for a directly-connected low-speed lifter and transmission shafts. The double-coding mounting bracket comprises a roller big shaft, a speed measurement encoder and a depth encoder; the mounting bracket is fixed on an end cover of a bearing by a bolt; the roller big shaft is sleeved on a hole of the mounting bracket; one end of each transmission shaft is fixed on the roller big shaft by a bolt; the speed measurement encoder is sleeved between the transmission shafts; two symmetrical connecting elastic sheets are arranged on the speed measurement encoder and are respectively installed on a connecting plate; a data line passes through a data line through hole and is connected with the speed measurement encoder; the other end of the speed measurement encoder is connected with one end of an elastic coupler; the other end of the elastic coupler is connected with the depth encoder; and the depth encoder is fixed on the mounting bracket by a bolt and is connected with the data line. The double-coding mounting bracket has the advantages that the service life of each encoder is prolonged, the volume is small, the appearance is attractive and elegant, and the reliability is high. With the adoption of the double-coding mounting bracket, the economic cost is reduced, and the good benefice benefit is obtained.

Description

Low speed direct connection gig dual coding mounting bracket and transmission shaft
Technical field
The present invention relates to a kind of tachometer, relate in particular to a kind of low speed direct connection gig dual coding mounting bracket and transmission shaft.
Background technology
Domestic JKMD-4 * 4 type associated mode DC speed regulation winches are to use tachogenerator as testing the speed feedback mostly.Be characterized in that cost is low, signal conditioning is simple.But it has a greatest weakness, is exactly the tachometer easy damage, and speed adjusting performance is poor.Shaft encoder has plurality of advantages such as precision is high, antijamming capability is strong, volume is little, required driving torque is little.Want on this type gig, to use shaft encoder as testing the speed feedback, must a suitable coder mounting bracket and transmission shaft of design.We are through well-designed, and speed measuring coder and original degree of depth indication coder has been realized the installation of coaxial frame altogether the most at last, and cooperate with Siemens 6RA70 direct current speeder interface, have realized accurate speed setting.My company's chippy hoist be JKMD-4 * 4 type low speed direct connection DC motors drag land multi-rope friction hoisting machine; What the direct current speeder velocity feedback was used is permanent magnetic survey speed generator; This tachometer is except that the usefulness as the velocity feedback of speed ring, and the pointer speed meter that also supplies the operation display station is to show winch speed.In order to improve resolution, tachometer is installed in the cylinder edge, leans on the friction wheel transfer torque (referring to Fig. 1) of spring application.For a long time, we find following problem:
1) tachometer is prone to damage.Because of tachometer is close to the cylinder edge, because of cylinder is not desirable circle, certainly will produce vibration in the winch operational process, speed is vibrated big more more soon.Tachometer than operation under the rugged environment, often occurs faults such as inner broken string, carbon brush bad contact this.
2) tachometer is fed back to voltage signal, disturbs greatly, and linear poor, speed adjusting performance is bad.
Permanent magnetic tachometer easy break-down has increased the maintenance workload and the expense of this gig, brings big hidden danger for the safe operation of auxiliary shaft.Shaft encoder has plurality of advantages such as precision, stability, reliability height, and it is imperative to use its alternative tachometer.
Gig master rotor axle head has had a coder, and this coder device is as use (being called for short degree of depth indication coder) of container depth indication.Want at same axle head a coder to be installed again, new encoder must be selected open core type, and promptly transmission shaft passes from its center, and then drives degree of depth indication coder.This just need manufacture and design two critical components: mounting bracket and transmission shaft.
Summary of the invention
The purpose of this invention is to provide a kind of accuracy rate is high, the life-span is long low speed direct connection gig dual coding mounting bracket and transmission shaft.
For realizing above-mentioned purpose, the technical scheme that the present invention adopts is:
A kind of low speed direct connection gig dual coding mounting bracket and transmission shaft comprise cylinder macro-axis, roller bearing end cap, speed measuring coder, depth encoder, data line, it is characterized in that: mounting bracket passes through screw retention on roller bearing end cap; The mounting bracket inboard is provided with two symmetrical connecting panels; Mounting bracket is provided with the data line through hole, and the cylinder large shaft sleeve is connected on the hole of mounting bracket, and an end of transmission shaft passes through screw retention on the cylinder macro-axis; Speed measuring coder is socketed in the middle of the transmission shaft; Speed measuring coder is provided with two symmetrical connection shell fragments, and two symmetrical connection shell fragments are installed in respectively on the connecting panel on the speed measuring coder, and data line passes the data line through hole and connects speed measuring coder; The other end of speed measuring coder connects an end of elastic coupling; The other end of elastic coupling connects depth encoder, and depth encoder on mounting bracket, connects data line through screw retention on the depth encoder.
According to described low speed direct connection gig dual coding mounting bracket and transmission shaft; It is characterized in that: said connecting panel is the steel plate structure of N shape; Speed measuring coder connects with being connected between the shell fragment through screw; Connect shell fragment and be connected through screw with connecting panel, the bottom of depth encoder is provided with the depth encoder bearing.
According to described low speed direct connection gig dual coding mounting bracket and transmission shaft; It is characterized in that: all be provided with keyway on said transmission shaft, the depth encoder junction; The engage sleeves of speed measuring coder through key and keyway is connected in the middle of the transmission shaft, and being connected of transmission shaft and elastic coupling, depth encoder all are that key and keyway cooperate with being connected of elastic coupling; Above-mentioned key and keyway cooperate is connected to interference fit.
According to described low speed direct connection gig dual coding mounting bracket and transmission shaft, it is characterized in that: said elastic coupling comprises that two fixed muffles, two steel discs, connecting shaft plates form; Two fixed muffles connect two steel discs respectively through bolt, are provided with the connecting shaft plate between two steel discs, and connecting shaft plate and two steel discs are through bolted connection, and fixed muffle, steel disc are that the center is symmetrical with the connecting shaft plate.
Advantageous effect of the present invention is: realized the coaxial installation of frame altogether of dual coding device, easy for installation, mounting process is less demanding; Intention property ground, backing holding cylinder outer end makes speed measuring coder and flexible coupling be exposed to the outside through planing, is convenient to dismounting, inspection; Concentricity guarantees easily, reduced waving and vibrate in the coder operational process, prolonged the service life of coder; Volume is little, and is elegant in appearance, and reliability is high.Reduce financial cost, obtained good economic benefits.
Description of drawings
Fig. 1 is an assembly drowing of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is the A-A cutaway view of Fig. 2.
Fig. 4 is the front view of transmission shaft.
Fig. 5 is the right elevation of Fig. 4.
Fig. 6 is the front view of elastic coupling.
Fig. 7 is the left view of Fig. 6.
In the accompanying drawing: 1, cylinder macro-axis; 2, roller bearing end cap; 3, transmission shaft; 4, speed measuring coder; 5, connect shell fragment; 6, mounting bracket; 7, connecting panel; 8, elastic coupling; 9, depth encoder; 10, depth encoder bearing; 11, data line; 12, data line through hole; 13; Fixed muffle; 14, steel disc; 15, connecting shaft plate.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further:
Structure of the present invention is like Fig. 1, shown in 6; A kind of low speed direct connection gig dual coding mounting bracket and transmission shaft comprise cylinder macro-axis 1, roller bearing end cap 2, speed measuring coder 4, depth encoder 9, data line 11, it is characterized in that: mounting bracket 6 passes through screw retention on roller bearing end cap 2; Mounting bracket 6 inboards are provided with two symmetrical connecting panels 7; Mounting bracket 6 is provided with data line through hole 12, and cylinder macro-axis 1 is socketed on the hole of mounting bracket 6, and an end of transmission shaft 3 passes through screw retention on cylinder macro-axis 1; Speed measuring coder 4 is socketed in the middle of the transmission shaft 3; Speed measuring coder 4 is provided with two symmetrical connection shell fragments 5, and two symmetrical connection shell fragments 5 are installed in respectively on the connecting panel 7 on the speed measuring coder 4, and data line 11 passes data line through hole 12 and connects speed measuring coder 4; The other end of speed measuring coder 4 connects an end of elastic coupling 8; The other end of elastic coupling 8 connects depth encoder 9, and depth encoder 9 on mounting bracket 6, connects data line 11 through screw retention on the depth encoder 9.According to described low speed direct connection gig dual coding mounting bracket and transmission shaft; It is characterized in that: said connecting panel 7 is the steel plate structure of N shape; Speed measuring coder 4 connects with being connected between the shell fragment 5 through screw; Connect shell fragment 5 and connecting panel 7 and be connected through screw, the bottom of depth encoder 9 is provided with depth encoder bearing 10.According to described low speed direct connection gig dual coding mounting bracket and transmission shaft; It is characterized in that: said transmission shaft 3, depth encoder all are provided with keyway on 9 junctions; The engage sleeves of speed measuring coder 4 through key and keyway is connected in the middle of the transmission shaft 3, and being connected of transmission shaft 3 and elastic coupling 8, depth encoder 9 all are the cooperation of key and keyway with being connected of elastic coupling 8; Above-mentioned key and keyway cooperate is connected to interference fit.According to described low speed direct connection gig dual coding mounting bracket and transmission shaft, it is characterized in that: said elastic coupling 8 comprises that two fixed muffles 13, two steel discs 14, connecting shaft plates 15 form; Two fixed muffles 13 connect respectively between 14, two steel discs 14 of two steel discs through bolt and are provided with connecting shaft plate 15, and connecting shaft plate 15 and two steel discs 14 are through bolted connection, and fixed muffle 13, steel disc 14 are that the center is symmetrical with connecting shaft plate 15.
Use principle of the present invention is as shown in Figure 1; The rotation of cylinder macro-axis 1 drives the rotation of transmission shaft 3, and transmission shaft 3 drives speed measuring coder 4, connects shell fragment 5 and has played good fixation; Thereby the function that realization is tested the speed; Transmission shaft 3 drives the motion of elastic coupling 8, and elastic coupling 8 drives the work of depth encoder 9, and speed measuring coder 4 is derived through data line 11 with depth encoder 9.Speed measuring coder 4 is a SBH-8192-5MD model coder, and depth encoder 9 is a NE-2048-2MD model coder.
1, the structure of mounting bracket 6, mounting bracket 6 needs and roller bearing end cap 2 endoporus interference fit, and takes into full account the installation site size of two coders, participates in Fig. 1.Let speed measuring coder 4 in the lining, depth encoder 9 outside.Mounting bracket 6 requires to be Casting Parts, cast blank spare is accomplished through turning, plane, weldering three-procedure, guaranteed concentricity, with the precision-fit of end cap endoporus, process simple and easyly, expense is low.Mounting bracket 6 chassis are provided with the fixed orifice of four symmetries, punch, encircle silk according to this hole to roller bearing end cap 2 during installation, simple installation, and accuracy rate is high.2, the structure of transmission shaft 3, transmission shaft 3 needs and cylinder macro-axis 1 termination endoporus, speed measuring coder 4 endoporus, depth encoder 9 flexible coupling endoporus cooperate, and adopts the turning of 45# round steel to process.With cooperating of cylinder macro-axis 1 termination endoporus be interference fit, cooperate with speed measuring coder 4 endoporus and depth encoder 9 flexible coupling endoporus for transition fit, to guarantee concentricity.Transmission shaft 3 adopts internally-inlaid at the keyway that speed measuring coder 4 positions are installed, and is easy for installation, reliable transmission, key difficult drop-off.3, the characteristics of this installation support 6 and transmission shaft 3 have realized the coaxial installation of frame altogether of dual coding device.Easy for installation, mounting process is less demanding.Intention property ground, backing holding cylinder outer end makes speed measuring coder and flexible coupling be exposed to the outside through planing, is convenient to dismounting, inspection.Concentricity guarantees easily, reduced waving and vibrate in the coder operational process, prolonged the service life of coder.Volume is little, and is elegant in appearance, and reliability is high.4, economical, societal benefits analysis, dual coding device mounting bracket and transmission shaft structure are reasonable, design ingenious, leading domestic.Use it, can practice thrift 4~5 of tachometers every year behind the replacement tachometer, more than 100,000 yuan of year saving Master Cost.Before this project was used, the gig that cause because of tachogenerator every year suddenly stops accident to be had 6 times more than, influenced mine and produced 12 hours; Produce coal 5700 tons less, remove behind the productive costs by 600 yuan of/ton calculating 3,420,000 yuan of annual synergy; Therefore, economic benefit is more than 350 ten thousand yuan this in project year; Simultaneously, significantly reduced the fault rate of this key link of velocity feedback after using shaft encoder instead, thereby improved the safe running performance of winch greatly, safety benefit is remarkable.5, popularizing application prospect; Domestic the type gig great majority are used tachometer as velocity feedback; Use this support and transmission shaft coder is replaced the tachometer success; Can be them technology and the experience that can use for reference is provided, so this project will have application value preferably, and can have application prospect widely at coal industry.
The present invention has realized the coaxial installation of frame altogether of dual coding device, and easy for installation, mounting process is less demanding; Intention property ground, backing holding cylinder outer end makes speed measuring coder and flexible coupling be exposed to the outside through planing, is convenient to dismounting, inspection; Concentricity guarantees easily, reduced waving and vibrate in the coder operational process, prolonged the service life of coder; Volume is little, and is elegant in appearance, and reliability is high.Reduce financial cost, obtained good economic benefits.
Embodiment recited above describes preferred implementation of the present invention; Be not that design of the present invention and protection domain are limited; Under the prerequisite that does not break away from design concept of the present invention; Common engineering staff make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention.

Claims (4)

1. low speed direct connection gig dual coding mounting bracket and transmission shaft; Comprise cylinder macro-axis (1), roller bearing end cap (2), speed measuring coder (4), depth encoder (9), data line (11); It is characterized in that: on roller bearing end cap (2), mounting bracket (6) inboard is provided with two symmetrical connecting panels (7) to mounting bracket (6) through screw retention, and mounting bracket (6) is provided with data line through hole (12); Cylinder macro-axis (1) is socketed on the hole of mounting bracket (6); On cylinder macro-axis (1), speed measuring coder (4) is socketed in the middle of the transmission shaft (3) one end of transmission shaft (3) through screw retention, and speed measuring coder (4) is provided with two symmetrical connection shell fragments (5); Last two the symmetrical connection shell fragments (5) of speed measuring coder (4) are installed in respectively on the connecting panel (7); Data line (11) passes data line through hole (12) and connects speed measuring coder (4), and the other end of speed measuring coder (4) connects an end of elastic coupling (8), and the other end of elastic coupling (8) connects depth encoder (9); On mounting bracket (6), go up and connect data line (11) by depth encoder (9) through screw retention for depth encoder (9).
2. low speed direct connection gig dual coding mounting bracket according to claim 1 and transmission shaft; It is characterized in that: said connecting panel (7) is the steel plate structure of N shape; Speed measuring coder (4) connects with being connected between the shell fragment (5) through screw; Connect shell fragment (5) and be connected through screw with connecting panel (7), the bottom of depth encoder (9) is provided with depth encoder bearing (10).
3. low speed direct connection gig dual coding mounting bracket according to claim 1 and transmission shaft; It is characterized in that: said transmission shaft (3), depth encoder (9) all are provided with keyway on the junction; The engage sleeves of speed measuring coder (4) through key and keyway is connected in the middle of the transmission shaft (3), and being connected of transmission shaft (3) and elastic coupling (8), depth encoder (9) all are the cooperation of key and keyway with being connected of elastic coupling (8); Above-mentioned key and keyway cooperate is connected to interference fit.
4. low speed direct connection gig dual coding mounting bracket according to claim 1 and transmission shaft is characterized in that: said elastic coupling (8) comprises two fixed muffles (13), two steel discs (14), connecting shaft plate (15) composition; Two fixed muffles (13) connect two steel discs (14) respectively through bolt; Be provided with connecting shaft plate (15) between two steel discs (14); Connecting shaft plate (15) passes through bolted connection with two steel discs (14), and fixed muffle (13), steel disc (14) are that the center is symmetrical with connecting shaft plate (15).
CN2011103236239A 2011-10-16 2011-10-16 Double-coding mounting bracket for directly-connected low-speed lifter and transmission shafts Pending CN102502383A (en)

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Application Number Priority Date Filing Date Title
CN2011103236239A CN102502383A (en) 2011-10-16 2011-10-16 Double-coding mounting bracket for directly-connected low-speed lifter and transmission shafts

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Application Number Priority Date Filing Date Title
CN2011103236239A CN102502383A (en) 2011-10-16 2011-10-16 Double-coding mounting bracket for directly-connected low-speed lifter and transmission shafts

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106153382A (en) * 2015-03-31 2016-11-23 陈迪华 Depth encoder
CN107070119A (en) * 2017-06-22 2017-08-18 张家港浦项不锈钢有限公司 A kind of installation method of split type synchronous high-voltage motor encoder
CN110044387A (en) * 2019-05-05 2019-07-23 武汉珞珈新空科技有限公司 A kind of attachment device of shock-proof type low-speed output shaft and encoder
CN110361040A (en) * 2019-07-11 2019-10-22 辽宁省交通规划设计院有限责任公司 A kind of encoder bracket and encoder

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859425A (en) * 1996-10-11 1999-01-12 Ruhlatec Industrieprodukte Gmbh Encoder having first and second housing portions and guide means
CN201616739U (en) * 2010-01-15 2010-10-27 杭州通灵自动化股份有限公司 Double shaft-extension permanent magnet synchronous servomotor
CN201809382U (en) * 2010-10-13 2011-04-27 莱芜钢铁集团有限公司 Dual-encoder-based oxygen lance positioning system
CN201869035U (en) * 2010-12-02 2011-06-15 新疆八一钢铁股份有限公司 Improved encoder support
CN202279609U (en) * 2011-10-16 2012-06-20 枣庄矿业(集团)付村煤业有限公司 Duel-encoding mounting bracket and transmission shaft for low-speed direct-connection hoister

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5859425A (en) * 1996-10-11 1999-01-12 Ruhlatec Industrieprodukte Gmbh Encoder having first and second housing portions and guide means
CN201616739U (en) * 2010-01-15 2010-10-27 杭州通灵自动化股份有限公司 Double shaft-extension permanent magnet synchronous servomotor
CN201809382U (en) * 2010-10-13 2011-04-27 莱芜钢铁集团有限公司 Dual-encoder-based oxygen lance positioning system
CN201869035U (en) * 2010-12-02 2011-06-15 新疆八一钢铁股份有限公司 Improved encoder support
CN202279609U (en) * 2011-10-16 2012-06-20 枣庄矿业(集团)付村煤业有限公司 Duel-encoding mounting bracket and transmission shaft for low-speed direct-connection hoister

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106153382A (en) * 2015-03-31 2016-11-23 陈迪华 Depth encoder
CN107070119A (en) * 2017-06-22 2017-08-18 张家港浦项不锈钢有限公司 A kind of installation method of split type synchronous high-voltage motor encoder
CN107070119B (en) * 2017-06-22 2019-06-28 浦项(张家港)不锈钢股份有限公司 A kind of installation method of split type synchronous high-voltage motor encoder
CN110044387A (en) * 2019-05-05 2019-07-23 武汉珞珈新空科技有限公司 A kind of attachment device of shock-proof type low-speed output shaft and encoder
CN110361040A (en) * 2019-07-11 2019-10-22 辽宁省交通规划设计院有限责任公司 A kind of encoder bracket and encoder
CN110361040B (en) * 2019-07-11 2024-03-19 辽宁省交通规划设计院有限责任公司 Encoder support and encoder

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Application publication date: 20120620