CN207497952U - A kind of hoist engine - Google Patents

A kind of hoist engine Download PDF

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Publication number
CN207497952U
CN207497952U CN201721603133.3U CN201721603133U CN207497952U CN 207497952 U CN207497952 U CN 207497952U CN 201721603133 U CN201721603133 U CN 201721603133U CN 207497952 U CN207497952 U CN 207497952U
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CN
China
Prior art keywords
roller bearing
rope
rack
limit switch
hoist engine
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Active
Application number
CN201721603133.3U
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Chinese (zh)
Inventor
熊小媚
蔡继国
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Zhejiang Shang Bo Construction Co Ltd
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Zhejiang Shang Bo Construction Co Ltd
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Priority to CN201721603133.3U priority Critical patent/CN207497952U/en
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Abstract

The utility model discloses a kind of hoist engines,Belong to room and build machinery field,Solve the problems, such as that hoist engine cannot be stopped when object of the rope far from hoist engine one end is moved to peak,Its key points of the technical solution are that,Including rack,Roller bearing is rotatably connected in the rack,Rope is wound on the roller bearing,The rack is equipped with the servo motor of driving roller bearing rotation,The servo motor is electrically connected with controller,The rack is equipped with to winding in the first limit switch that rope coiling thickness is defined on roller bearing,Rope coiling thickness triggers the first limit switch on the roller bearing when rope is pulled up to peak far from roller bearing one end object,First limit switch is electrically connected with the controller the motor stalls when first limit switch triggers,The utility model is rational in infrastructure,Achieve the purpose that servo motor stops operating when hoist engine rope other end object is pulled up to peak.

Description

A kind of hoist engine
Technical field
The utility model is related to a kind of rooms to build machinery, more specifically, it relates to a kind of hoist engine.
Background technology
Hoist engine, with reel lay winding wire ropes or chain lifting or the light and small heavy-duty hoisting equipment of traction, also known as winch. Hoist engine can with vertical-lift, horizontally or diagonally drag and draw weight, can be divided into manual hoist, electronic elevator according to its power resources Three kinds of machine and hydraulic winch.It now based on electrical hoist, can be used alone, can also make lifting, build the road and mine hoisting Deng machinery in building block, because it is easy to operate, wiring amount is big, dislocation facilitates due to extensive use.
At present, notification number is a kind of hoist engine disclosed in the Chinese invention patent of CN103072915A, including housing, electricity Machine, by the motor-driven rotation worm screw, be meshed with the worm screw worm gear, be set on the worm gear rope, with The motor arbor fixed setting transmission shaft and limiting device, the limiting device include can be driven by the worm screw and The sliding block slided on the housing and the limit switch being set on the housing, the sliding block have there are two operating position, When in the first position, the hoist engine normally lifts, and the sliding block is separated with the limit switch.When rope is complete Portion discharges, and hoist engine continues to run with, and worm gear is rotated further, and rope rewinds back worm gear, and the stress of worm gear is made to change, and pushes snail The right end that bar and sliding block overcome spring force towards transmission shaft slides, and sliding block contacts with limit switch and makes its triggering, closes electricity Machine shuts down, and hoist engine is stopped, and realizes that extreme position stops.
But it can only make all to discharge in rope in above-mentioned technical proposal, object of the rope far from hoist engine one end is moved to most Hoist engine stops during low spot, it is impossible to which hoist engine is stopped when so that object of the rope far from hoist engine one end is moved to peak.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of hoist engine, reach when hoist engine rope The purpose that servo motor stops operating when rope other end object is pulled up to peak.
To achieve the above object, the utility model provides following technical solution:A kind of hoist engine, it is described including rack Roller bearing is rotatably connected in rack, rope is wound on the roller bearing, the rack is equipped with the servo electricity of driving roller bearing rotation Machine, the servo motor are electrically connected with controller, and worm gear has been fixedly and coaxially connected on the roller bearing, and the gantry rotation is connected with The worm screw engaged with worm gear, servo motor driving worm screw rotation, the rack be equipped with to winding in rope on roller bearing around The first limit switch that line thickness is defined, when the rope is pulled up to peak far from roller bearing one end object on the roller bearing Rope coiling thickness triggers the first limit switch, and first limit switch is electrically connected with the controller when the described first limiting is opened The servo motor stops operating when closing triggering.
By using above-mentioned technical proposal, hoist engine winding rope, by rope winding on roller bearing so as to make rope another Head object pull-up, when longer rope winding when on roller bearing rope will stack make rope winding on roller bearing thickness increase Adding, when rope other end object is pulled up to peak by hoist engine, rope coiling thickness triggers the first limit switch on roller bearing, Servo motor is made to stop operating by controller, watched so as to reach when hoist engine rope other end object is pulled up to peak Take the purpose of motor stalls.
The utility model is further arranged to:The rack be equipped with cable structure, the cable structure include guide pad, Reciprocal leading screw and guide rod, the reciprocal leading screw are rotationally connected in rack, the guide rod be fixedly connected in rack and with it is past Multifilament thick stick is parallel, and the reciprocal leading screw passes through guide pad and is threaded with guide pad, and the guide rod passes through connection guide pad And guide pad is connected in sliding, and through-hole is offered on the guide pad, the rope passes through through-hole and is wound on roller bearing.
By using above-mentioned technical proposal, winding displacement is carried out to rope using guide pad, rope is made orderly closely to be wound in On roller bearing, rope coiling thickness can trigger on roller bearing when so that each rope is pulled up to peak far from roller bearing one end object One limit switch, reduce makes rope not stretch most significant end far from roller bearing one end object due to winding is not close just triggers the second limiting The situation of switch occurs.
The utility model is further arranged to:The rotating ratio of the reciprocal leading screw and roller bearing is the unidirectional spiral shell of reciprocal threads of lead screw The ratio between the line number of turns and the number of turns of roller bearing individual layer rope.
By using above-mentioned technical proposal, the distance of guide pad horizontal direction movement is identical with the speed of rope winding, into One step makes rope orderly closely be wound on roller bearing, and be further reduced makes rope far from roller bearing one end object due to winding is not close Body, which does not stretch the situation that most significant end just triggers the second limit switch, to be occurred.
The utility model is further arranged to:Guide roller, the rotation axis of the guide roller are rotatably connected in the rack Line is parallel with the pivot center of roller bearing, and the rope then passes through guide pad around guide roller and is wound on roller bearing.
By using above-mentioned technical proposal, rope vertical direction is oriented to by guide roller, reduces vertical direction On influence of the power to cable structure.
The utility model is further arranged to:There are two directive wheels for rotation connection on the through-hole wall, are led described in two It is set in parallel to the pivot center of wheel and vertical guide stem, the rope is located between two directive wheels.
By using above-mentioned technical proposal, the frictional force between guide pad and rope is made to rub from sliding friction transformation in rolling It wipes, reduces the frictional force between rope and guide pad, reduce the abrasion of guide pad, increase the service life of equipment.
The utility model is further arranged to:Annular groove, the rope are circumferentially offered on the annular sidewall of the directive wheel It is placed in annular groove.
By using above-mentioned technical proposal, rope is placed in annular groove, prevents rope from being slid from directive wheel, enhances rope Connection structure between rope and directive wheel.
The utility model is further arranged to:First limit switch is slidably connected in rack, first limiting Straight line where switch sliding trace intersects with the pivot center of roller bearing.
By using above-mentioned technical proposal, make the first limit by adjusting the control of the distance between the first limit switch and roller bearing Rope coiling thickness on the roller bearing of bit switch triggering is pulled up to peak difference, to adjust according to rope far from roller bearing one end object The first limit switch is saved so that rope coiling thickness can trigger the first limit switch on roller bearing during the height.
The utility model is further arranged to:The worm axis is slidably connected in rack, and the rack is equipped with second Limit switch triggers the second limit switch, second limit switch when the worm screw, which slides, contacts at the second limit switch It is electrically connected with the controller, the servo motor stops operating when second limit switch triggers.
By using above-mentioned technical proposal, when hoist engine drops to minimum point, rope all discharges, and hoist engine is after reforwarding Row, worm gear are rotated further, rope back-roll rollback axis, and the stress of worm gear changes at this time, so as to which worm screw be pushed to slide, makes second Limit switch contacts, and so as to make controller that servo motor be made to shut down, realizes that extreme position stops.
In conclusion the utility model has the advantages that:When the object of rope other end be pulled to most significant end or During least significant end, servo motor is made to be stopped, reach and stop purpose in extreme position;Rope winding is close, and connection structure is steady It is fixed.
Description of the drawings
Fig. 1 is the stereogram of the present embodiment;
Fig. 2 is the sectional view that the present embodiment is used to show roller bearing;
Fig. 3 is the sectional view that the present embodiment is used to show worm gear structure;
Fig. 4 is the structure diagram that the present embodiment is used to show cable structure;
Fig. 5 is structure diagram of this implementation column for the first limit switch of displaying.
Reference numeral:1st, rack;11st, sliding rail;111st, mounting blocks;112nd, clamping screw;113rd, the first limit switch; 2nd, roller bearing;21st, fixing axle;211st, groove;22nd, worm gear;23rd, worm screw;231st, rolling bearing pedestal;232nd, conflict block;233rd, it rotates Axis;234th, the second limit switch;24th, drive pulley;3rd, servo motor;4th, rope;5th, cable structure;51st, reciprocal leading screw; 52nd, guide rod;53rd, guide pad;54th, through-hole;541st, directive wheel;542nd, annular groove;521st, driven pulley;55th, guide roller.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the utility model embodiment;In this practicality In novel description, it is to be understood that if thering is the orientation of the instructions such as term " on ", " under ", "left", "right" or the position relationship to be Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore retouched in attached drawing State the term of position relationship only for illustration, it is impossible to the limitation to this patent is interpreted as, for the common skill of this field For art personnel, the concrete meaning of above-mentioned term can be understood as the case may be.
A kind of hoist engine, as shown in Figure 1, rotated including rack 1, the roller bearing 2 rotated in rack 1 and driving roller bearing 2 Rope 4 is wound on servo motor 3, wherein roller bearing 2, the one end of rope 4 far from roller bearing 2 is fixedly connected with the object of lifting in need Body, rack 1 are equipped with the cable structure 5 for being closely wound rope 4, and rack 1 is equipped with the first limit switch 113 and the second limiting is opened It closes, when object of the rope 4 far from 2 one end of roller bearing is moved to peak or minimum point, triggers the first limit switch 113 or the second Limit switch makes servo motor 3 stop operating, the purpose stopped so as to fulfill extreme position.
As shown in Fig. 2, 2 one end of roller bearing opens up fluted 211, fixing axle 21 is fixedly connected on the side wall of groove 211, is restricted One end of rope 4 is fixed in fixing axle 21, and when roller bearing 2 rotates, rope 4 is wound on roller bearing 2.
As shown in figure 3,2 one end of roller bearing has been fixedly and coaxially connected worm gear 22, and two rolling bearing pedestals in rack 1, two rollings Moving axis bearing 231 is rotatably connected to rotation axis 233, and the main shaft of servo motor 3 passes through shaft coupling and the coaxial fixed company of rotation axis 233 It connects, the worm screw 23 engaged with worm gear 22 is arranged in rotation axis 233, rotation axis 233 drives worm screw 23 radially to turn by connecting key It is dynamic, and worm screw 23 can slide axially with rotation axis 233, and servo motor 3 drives rotation axis 233 to rotate, so as to make 23 turns of worm screw It is dynamic, and then worm gear 22 is driven to rotate, rotate roller bearing 2 so that rope 4 to be controlled to pull back and discharge.
As shown in figure 3, the right end of rotation axis 233, which covers, conflict block 232, conflict block 232 and the axial sliding of rotation axis 233 Connection, when roller bearing 2 discharges all ropes 4, servo motor 3 continues to run with, and worm gear 22 is rotated further, and rope 4 is rewound back Worm gear 22, at this time the stress of worm gear 22 change, so as to which worm screw 23 be pushed to slide to the right, so as to push conflict block 232 to the right It slides, for the second limit switch 234 in conflict block 232 to the right sliding trace, the second limit switch 234 is fixedly connected on rack On 1, the second limit switch 234 is electrically connected with controller, and controller is electrically connected with servo motor 3, when conflict block 232 contacts at When on two limit switches 234, when the second limit switch 234 triggers, controller control servo motor 3 stops operating.
As shown in figure 4, cable structure 5 includes guide pad 53, reciprocal leading screw 51 and guide rod 52, reciprocal leading screw 51 is rotatablely connected On organic frame 1 and with the roller bearing 2 of roller bearing 2(Referring to Fig. 1)Rotary centerline is parallel, guide rod 52 be fixedly connected in rack 1 and Parallel with reciprocal leading screw 51, reciprocal leading screw 51 passes through guide pad 53 and is threaded with guide pad 53, and guide rod 52 passes through connection Guide pad 53 and guide pad 53 are in that sliding connects, and offer through-hole 54 on guide pad 53, two are rotatably connected on 54 inner wall of through-hole A directive wheel 541, the pivot center of two directive wheels 541 are set in parallel and perpendicular to guide rod 52, the annulars of directive wheel 541 Annular groove 542 is offered on side wall, rope 4 is located between two directive wheels 541, is placed in annular groove 542.Reciprocal 51 one end of leading screw Driven pulley 521 has been fixedly and coaxially connected, the one end of roller bearing 2 far from worm gear 22 has been fixedly and coaxially connected drive pulley 24, Drive pulley 24 drives driven pulley 521 to rotate by belt, and 24 diameter of drive pulley is 521 diameter of driven pulley Twice, the unidirectional thread turns of reciprocal 51 screw thread of leading screw is twice of the number of turns of 2 individual layer rope 4 of roller bearing, guide pad 53 The distance of horizontal direction movement is identical with the speed that rope 4 is wound, and rope 4 is further made orderly closely to be wound on roller bearing 2. The guide roller 55 parallel with guide rod 52 is rotatably connected in rack 1(Referring to Fig. 1), rope 4 then passes through around guide roller 55 and leads Through-hole 54 on block 53 is wound on roller bearing 2, and 4 vertical direction of rope is oriented to by guide roller 55, and it is vertical to reduce Influence of the power to cable structure 5 on direction.
As shown in figure 5,1 side wall of rack is equipped with sliding rail 11, sliding rail 11 is dovetail groove, where sliding rail 11 Straight line intersect with the pivot center of roller bearing 2, slidably connect mounting blocks 111 on sliding rail 11, screw thread connects on mounting blocks 111 Clamping screw 112 is connected to, when clamping screw 112 is contacted on sliding rail 11, mounting blocks 111 are fixed on sliding rail 11 On, the first limit switch 113 is fixedly connected on mounting blocks 111, and the first limit switch 113 is electrically connected with the controller, when first When limit switch 113 triggers, controller control servo motor 3 stops operating.
Specific working mode:Start servo motor 3, rotate clockwise roller bearing 2, rope 4 is wound on roller bearing 2, rolling Axis 2 drives the reciprocal rotation of leading screw 51 that guide pad 53 is made to be moved horizontally on guide rod 52, is oriented to for rope 4, makes rope 4 orderly close Be wound on roller bearing 2;When rope 4, to be wound in length on roller bearing 2 increasingly longer, make rope 4 more roll up in the coiling of roller bearing 2 more Thickness until the rope 4 on roller bearing 2 contacts at the first limit switch 113, triggers the first limit switch 113, is made by controller Servo motor 3 stops operating;When hoist engine unwrapping wire, servo motor 3 rotates 2 inverse clock of roller bearing, and the rope 4 on roller bearing 2 is complete Roller bearing 2 is rotated further the stress so as to change roller bearing 2 after full releasing, and then changes the Impact direction of worm gear 22, makes worm screw 23 Slideslip and drive conflict block 232 to slide to the right and contact on the second limit switch 234 to the right, make the second limit switch 234 triggerings, make servo motor 3 stop operating, reached makes hoist engine be stopped in extreme position by controller.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model by Patent Law.

Claims (8)

1. a kind of hoist engine, including rack(1), the rack(1)On be rotatably connected to roller bearing(2), the roller bearing(2)Upper winding There is rope(4), the rack(1)It is equipped with driving roller bearing(2)The servo motor of rotation(3), the servo motor(3)Electrical connection There are controller, the roller bearing(2)On be fixedly and coaxially connected worm gear(22), the rack(1)It is rotatably connected to and worm gear(22) The worm screw of engagement(23), the servo motor(3)Drive worm screw(23)Rotation, it is characterized in that:The rack(1)It is equipped with to receiving It rolls up in roller bearing(2)Upper rope(4)The first limit switch that coiling thickness is defined(113), the rope(4)Far from roller bearing (2)One end object is pulled up to roller bearing during peak(2)Upper rope(4)Coiling thickness makes the first limit switch(113)Triggering, First limit switch(113)It is electrically connected with the controller when first limit switch(113)Servo motor during triggering (3)It stops operating.
2. a kind of hoist engine according to claim 1, it is characterized in that:The rack(1)It is equipped with cable structure(5), institute State cable structure(5)Including guide pad(53), reciprocal leading screw(51)And guide rod(52), the reciprocal leading screw(51)It is rotationally connected with Rack(1)On, the guide rod(52)It is fixedly connected on rack(1)It is upper and with reciprocal leading screw(51)It is parallel, the reciprocal leading screw (51)Across guide pad(53)And and guide pad(53)It is threaded, the guide rod(52)Across guide pad(53)And with guiding Block(53)It is connected in sliding, the guide pad(53)On offer through-hole(54), the rope(4)Across through-hole(54)And it winds In roller bearing(2)On.
3. a kind of hoist engine according to claim 2, it is characterized in that:The reciprocal leading screw(51)With roller bearing(2)Rotating speed Than for reciprocal leading screw(51)Unidirectional thread turns and roller bearing(2)Individual layer rope(4)The ratio between number of turns.
4. a kind of hoist engine according to claim 3, it is characterized in that:The rack(1)On be rotatably connected to guide roller (55), the guide roller(55)Pivot center and roller bearing(2)Pivot center it is parallel, the rope(4)Around guide roller (55)Then pass through guide pad(53)It is wound in roller bearing(2)On.
5. a kind of hoist engine according to claim 4, it is characterized in that:The through-hole(54)On inner wall there are two rotation connections Directive wheel(541), two directive wheels(541)Pivot center be set in parallel and vertical guide stem(52), the rope (4)Positioned at two directive wheels(541)Between.
6. a kind of hoist engine according to claim 5, it is characterized in that:The directive wheel(541)Annular sidewall on it is circumferential Offer annular groove(542), the rope(4)It is placed in annular groove(542)In.
7. a kind of hoist engine according to claim 1, it is characterized in that:First limit switch(113)It is slidably connected to Rack(1)On, first limit switch(113)Straight line and roller bearing where sliding trace(2)Pivot center intersect.
8. a kind of hoist engine according to claim 1, it is characterized in that:The worm screw(23)Axis is slidably connected to rack (1)On, the rack(1)Equipped with the second limit switch(234), when the worm screw(23)Slip contacts at the second limit switch (234)When trigger the second limit switch(234), second limit switch(234)It is electrically connected with the controller, when the described second limit Bit switch(234)Servo motor during triggering(3)It stops operating.
CN201721603133.3U 2017-11-27 2017-11-27 A kind of hoist engine Active CN207497952U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721603133.3U CN207497952U (en) 2017-11-27 2017-11-27 A kind of hoist engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721603133.3U CN207497952U (en) 2017-11-27 2017-11-27 A kind of hoist engine

Publications (1)

Publication Number Publication Date
CN207497952U true CN207497952U (en) 2018-06-15

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Family Applications (1)

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CN201721603133.3U Active CN207497952U (en) 2017-11-27 2017-11-27 A kind of hoist engine

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111719836A (en) * 2020-07-10 2020-09-29 宏和机电工程有限公司 Safe lifting device for high-voltage power grid line detection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111719836A (en) * 2020-07-10 2020-09-29 宏和机电工程有限公司 Safe lifting device for high-voltage power grid line detection

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Inventor after: Xiong Xiaomei

Inventor after: Cao Jiguo

Inventor before: Xiong Xiaomei

Inventor before: Cai Jiguo