CN202441767U - Single driving traveling wheel braking device used on crane - Google Patents

Single driving traveling wheel braking device used on crane Download PDF

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Publication number
CN202441767U
CN202441767U CN2012200711122U CN201220071112U CN202441767U CN 202441767 U CN202441767 U CN 202441767U CN 2012200711122 U CN2012200711122 U CN 2012200711122U CN 201220071112 U CN201220071112 U CN 201220071112U CN 202441767 U CN202441767 U CN 202441767U
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CN
China
Prior art keywords
oil cylinder
piston
brake shoe
oil
supporting frame
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Expired - Fee Related
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CN2012200711122U
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Chinese (zh)
Inventor
李孝勇
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CHONGQING SHUANGYING BRAKE Co Ltd
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CHONGQING SHUANGYING BRAKE Co Ltd
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Priority to CN2012200711122U priority Critical patent/CN202441767U/en
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Publication of CN202441767U publication Critical patent/CN202441767U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a single driving traveling wheel braking device used on a crane. The single driving traveling wheel brake device used on the crane comprises a brake, an oil separator and a pedal filling pump. The brake comprises a base, a left support frame, a right support frame, a left brake shoe, a right brake shoe and two oil cylinders. The bottom of the left brake shoe is rotatably connected with a left main shaft of the left support frame, and the bottom of the right brake shoe is rotatably connected with a right main shaft of the right support frame; a first oil cylinder is placed on the middle portion of the left support frame, and the end of a piston of the first oil cylinder is movably connected with the middle portion of the left brake shoe; a second oil cylinder is placed on the middle portion of the right support frame, and the end of a piston of the second oil cylinder is movably connected with the middle portion of the right brake shoe; and an oil outlet of the pedal filling pump is connected with oil inlets of the two oil cylinders. When in use, the single driving traveling wheel braking device used on the crane controls the oil feeding quantity of the oil inlets of the two oil cylinders on the brake through the pedal filling pump, thereby controlling the tightness degree of a brake shoe holding a braking wheel, achieving controllable braking speed, reducing the amplitude of swing of hanging heavy things, and facilitating accurate shipment of the hanging heavy things.

Description

The single initiatively travelling wheel braking device that uses on the hoist
Technical field
The utility model relates to a kind of braking device, relates in particular to the single initiatively travelling wheel braking device that uses on a kind of hoist.
Background technique
On the active travelling wheel of hoist and the transmission shaft between the motor, generally all be provided with break, when outage, break is held transmission shaft automatically tightly, and initiatively travelling wheel is out of service thereby make.
In the existing technology, normal a kind of power hydraulic pressure block brake, the distance between two relative brake shoes of major control of adopting of the break of hoist.Under the situation of energising, the push rod of power hydraulic pressure block brake moves up, and promotes lever and screw rod, so promote two brake shoes relatively away from, thereby the power that guarantees motor output passes to initiatively travelling wheel smoothly; During outage, the push rod of power hydraulic pressure block brake moves down, pull lever and screw rod, and then spur two brake shoes near, thereby locking motor and the transmission shaft between the travelling wheel initiatively.
Yet; Mainly there is following deficiency in the mode of above-mentioned control power hydraulic pressure block brake: the power hydraulic pressure block brake mainly relies on the break-make electricity to realize; The speed of braking can't be regulated along with the height of lifted weight, the weight of lifted weight and the speed that lifted weight moves; The buffer and the collision of safe stop that are prone to the hoist termination are strong, and the amplitude of lifted weight swing is bigger, is unfavorable for the accurate shipment of lifted weight.
The model utility content
To the above-mentioned deficiency that exists in the existing technology, the utility model provides a kind of and can brake at any time, and the single initiatively travelling wheel braking device that uses on the hoist that can adjust at any time of retro-speed.
In order to solve the problems of the technologies described above, the utility model has adopted following technological scheme:
The single initiatively travelling wheel braking device that uses on the hoist comprises break, oil separator and is installed in the foot-operated filling pump in the operating room;
Said break comprises base, left supporting frame, right supporting frame, left brake shoe, right brake shoe, double end screw mandrel, first oil cylinder and second oil cylinder; The top of said left supporting frame and right supporting frame has a bearing pin with threaded hole respectively; The two ends of said double end screw mandrel screw respectively in the tapped hole of the bearing pin on left supporting frame and right supporting frame; The bottom of said left supporting frame and right supporting frame is hinged on respectively on the left and right sides of base; The bottom of said left brake shoe is rotating to be connected on the left main shaft of cross setting on the left supporting frame; The bottom of said right brake shoe is rotating to be connected on the right main shaft of cross setting on the right supporting frame, and said first oil cylinder is installed in the middle part of left supporting frame, and the end of the piston of first oil cylinder and the middle part of left brake shoe flexibly connect; Said second oil cylinder is installed in the middle part of right supporting frame, and the end of the piston of second oil cylinder and the middle part of right brake shoe flexibly connect;
The oil outlet of said foot-operated filling pump is connected with the filler opening of first oil cylinder with second oil cylinder respectively through oil separator.
A kind of preferred version as the utility model; This break also comprises left brake-shoe link and right brake-shoe link; The bottom-hinged of said left brake-shoe link is on left main shaft; The fixing left brake shoe axle at the middle part of left brake-shoe link, the middle part of left brake shoe is hinged on the left brake shoe axle, and the end of the piston of said first oil cylinder and left brake shoe axle are hinged; The bottom-hinged of said right brake-shoe link is fixed a right brake shoe axle at the middle part of right brake-shoe link on right main shaft, the middle part of right brake shoe is hinged on the right brake shoe axle, and the end of the piston of said second oil cylinder and right brake shoe axle are hinged.
As the another kind of preferred version of the utility model, said first oil cylinder and second oil cylinder comprise cylinder body, piston, spring respectively and are installed in the oil cylinder cover on the cylinder body end face; Said piston is arranged in the piston hole of cylinder body and with the inner wall sealing of cylinder body and cooperates, and is provided with annular chamber near the piston hole wall of oil cylinder cover, and said piston forms an annular boss near an end of oil cylinder cover along its radially outward, and annular boss is positioned at annular chamber; Said spring housing is on piston, and an end is pressed on the medial extremity of annular chamber, and the other end is pressed on the annular boss; Said oil cylinder cover is provided with filler opening and exhaust port.
As another preferred version of the utility model, be provided with wear-resisting band between the hole wall two ends of said piston hole and the piston.
As a kind of improvement project of the utility model, be provided with seal ring between the hole wall of said piston hole and the annular boss on the piston.
As the another kind of improvement project of the utility model, be provided with dust ring between the hole wall of said piston near outer end and piston hole.
As the further improvement project of the utility model, said foot-operated filling pump comprises box body, torque spring, the 3rd oil cylinder, foot treadle, rotating shaft and driveshaft; Said rotating shaft is passed box body and is rotatably assorted with box body, and the cylinder body of said the 3rd oil cylinder penetrates in the box body, and the piston of the 3rd oil cylinder is positioned at box body and vertical with rotating shaft; Said foot treadle is fixed on the cylindrical of rotating shaft and is positioned at outside the box body, and said driveshaft is perpendicular to rotating shaft, and an end of driveshaft is fixed in the rotating shaft, and the other end passes the piston of the 3rd oil cylinder and cooperates with the piston clearance of the 3rd oil cylinder; Said torque spring is enclosed within the rotating shaft, and an end of torque spring is fixed on the box body, and the other end is fixed in the rotating shaft; The filler opening and the oil outlet of said the 3rd oil cylinder are positioned at outside the box body.
As the further again improvement project of the utility model, the filler opening of said the 3rd oil cylinder is near box body, and the oil outlet of said the 3rd oil cylinder is arranged on the outer end of the cylinder body of the 3rd oil cylinder.
As the further improvement project again of the utility model, the piston of said the 3rd oil cylinder is provided with chute along its axial direction, the other end of driveshaft pass chute and with the chute Spielpassung.
The beneficial effect of the utility model is: when using the list active travelling wheel braking device that uses on this hoist; Through the oil inlet quantity of two oil cylinder filler openings on the oil pump capacity control brake device of the foot-operated filling pump in the operating room, thereby the control brake shoe is held the tightness of Brake drum tightly, realizes operator's control brake speed; And retro-speed can be adjusted at any time; When hoist runs to rail end, start foot-operated filling pump in advance, can alleviate the striking force between buffer and the safe stop effectively; Reduce the amplitude of lifted weight swing, more help the accurate shipment of lifted weight.
Description of drawings
The single initiatively structural representation of travelling wheel braking device of Fig. 1 for using on the hoist;
The single initiatively perspective view of travelling wheel braking device of Fig. 2 for using on the hoist;
Fig. 3 is the sectional view of first oil cylinder and second oil cylinder.
In the accompanying drawing: 1-base; 2-left supporting frame; 3-right supporting frame; 4-left brake shoe; 5-right brake shoe; 6-double end screw mandrel; 7-bearing pin; 8-the first oil cylinder; 9-the second oil cylinder; 10-left main shaft; 11-right main shaft; 12-left brake-shoe link; 13-right brake-shoe link; 14-left brake shoe axle; 15-right brake shoe axle; 16-cylinder body; 17-piston; 18-oil cylinder cover; 19-piston hole; 20-spring; 21-annular chamber; 22-annular boss; 23-filler opening; 24-exhaust port; 25-wear-resisting band; 26-seal ring; 27-dust ring; 28-seal ring; 29-hinge axis; 30-connecting head; 31-minute oil mass; 32-box body; 33-torque spring; 34-foot treadle; 35-rotating shaft; 36-driveshaft; 37-cylinder body; 38-piston; 39-filler opening; 40-oil outlet; 41-chute; 42-connecting rod; 43-oil storage cylinder; 44-exhaust port.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done to describe in further detail.
Like Fig. 1, shown in 2, the single initiatively travelling wheel braking device that uses on the hoist comprises break, oil separator 31 and is installed in the foot-operated filling pump in the operating room.Break comprises base 1, left supporting frame 2, right supporting frame 3, left brake shoe 4, right brake shoe 5, double end screw mandrel 6, first oil cylinder 8 and second oil cylinder 9.The bottom of left side supporting frame 2 and right supporting frame 3 is hinged on the left and right sides of base 1 through hinge axis 29 respectively; The top of left side supporting frame 2 and right supporting frame 3 has a bearing pin 7 with threaded hole respectively; Double end screw mandrel 6 is between two bearing pins 7, and the two ends of double end screw mandrel 6 screw respectively in the tapped hole of the bearing pin 7 on left supporting frame 2 and right supporting frame 3.On the rotating left main shaft 10 that is connected cross setting on the left supporting frame 2 in the bottom of left side brake shoe 4, the bottom of right brake shoe 5 is rotating to be connected on the right main shaft 11 of cross setting on the right supporting frame 3.First oil cylinder 8 is installed in the middle part of left supporting frame 2, and the middle part of the end of the piston of first oil cylinder 8 and left brake shoe 4 flexibly connects, and second oil cylinder 9 is installed in the middle part of right supporting frame 3, and the middle part of the end of the piston of second oil cylinder 9 and right brake shoe 5 flexibly connects.The oil outlet of foot-operated filling pump is connected with the filler opening of first oil cylinder 8 and second oil cylinder 9 respectively through oil separator 31.
In the present embodiment, this break also comprises left brake-shoe link 12 and right brake-shoe link 13.The bottom-hinged of left side brake-shoe link 12 is fixed a left brake shoe axle 14 at the middle part of left brake-shoe link 12 on left main shaft 10, the middle part of left brake shoe 4 is hinged on the left brake shoe axle 14, and the end of the piston of first oil cylinder 8 is hinged through connecting head 30 and left brake shoe axle 14.The bottom-hinged of right brake-shoe link 13 is fixed a right brake shoe axle 15 at the middle part of right brake-shoe link 13 on right main shaft 11, the middle part of right brake shoe 5 is hinged on the right brake shoe axle 15, and the end of the piston of second oil cylinder 9 is hinged through connecting head 30 and right brake shoe axle 15.
Wherein, The structure of first oil cylinder and second oil cylinder is as shown in Figure 3; First oil cylinder and second oil cylinder include cylinder body 16, piston 17, spring 20 and are installed in the oil cylinder cover 18 on cylinder body 16 end faces, and oil cylinder cover 18 cooperates with the end face seal of cylinder body 16 through seal ring 28.Piston 17 is arranged in the piston hole 19 of cylinder body 16 and with the inner wall sealing of cylinder body 16 and cooperates; Piston hole wall near oil cylinder cover 18 is provided with annular chamber 21; Piston 17 forms an annular boss 22 near an end of oil cylinder cover 18 along its radially outward, and annular boss 22 is positioned at annular chamber 21.Spring 20 is enclosed within on the piston, and an end of spring 20 is pressed on the medial extremity of annular chamber 21, and the other end of spring 20 is pressed on the annular boss 22.Oil cylinder cover 18 is provided with filler opening 23 and exhaust port 24, and filler opening 23 communicates with the right side of piston 17 respectively with exhaust port 24.
Be provided with between the hole wall two ends of piston hole 19 and the piston 17 and wear-resistingly be with 25.In the present embodiment, on the excircle of the annular boss 22 on piston 17 right sides, be provided with the wear-resisting band mounting groove of a circle, should in wear-resisting band mounting groove, be provided with and wear-resistingly be with 25.On the circumference of the left side of piston hole 19 hole wall, be provided with the wear-resisting band mounting groove of a circle; In this wear-resisting band mounting groove, be provided with and wear-resistingly be with 25; These two wear-resisting with 25 be supported on piston 17 two ends; Motion to piston 17 plays leading role, and the movement direction of piston 17 is limited on the axial direction of piston hole 19.
Be provided with seal ring 26 between the annular boss 22 on the hole wall of piston hole 19 and the piston 17; In the present embodiment; On the excircle of the annular boss 22 on piston 17 right sides, be provided with a circle seal ring mounting groove; Sealing circle 26 is installed in the seal ring mounting groove, avoids getting in the fluid piston hole 19 to the left between oil cylinder cover 18 and piston 17 right-hand members and reveals.
Be provided with dust ring 27 between the hole wall of piston 17 near outer end and piston hole 19; In the present embodiment; On the circumference of the left side of piston hole 19 hole wall, be provided with a circle dust ring mounting groove; This dust ring 27 is installed in this dust ring mounting groove, can avoid cylinder body 16 particle outward to get in the piston hole 19 from the left side of piston 17 effectively, thereby causes the wearing and tearing aggravation between piston hole wall and the piston.
Oil cylinder cover 18 is provided with exhaust port 24; When using this break first, oily before the cavity that gets between oil cylinder cover 18 and the piston 17, the certain air of cavity stored between oil cylinder cover 18 and the piston 17; Oil in the cavity that progresses between oil cylinder cover 18 and the piston 17 after; Through this exhaust port 24 gas is discharged, after gas was discharged, bolt or plug through sealing configuration stopped up this exhaust port 24.
Foot-operated oiling pump structure is like Fig. 1, shown in 2, and foot-operated filling pump comprises box body 32, torque spring 33, the 3rd oil cylinder, foot treadle 34, rotating shaft 35 and driveshaft 36.Box body 32 is passed in rotating shaft 35, is fixed with bearing at the cylindrical of rotating shaft 35, and rotating shaft 35 is rotatably assorted through bearing and box body 32.The cylinder body 37 of the 3rd oil cylinder penetrates in the box body 32 and is fixed on the box body 32, and the piston 38 of the 3rd oil cylinder is positioned at box body 32 and vertical with rotating shaft 35.Foot treadle 34 is fixedly connected with the cylindrical of rotating shaft 35 through connecting rod 42, and foot treadle 34 is welded on the end of connecting rod 42, and the other end of connecting rod 42 is welded in the rotating shaft 35.Driveshaft 36 is perpendicular to rotating shaft 35, and an end of driveshaft 36 is fixed in the rotating shaft 35, the other end pass the 3rd oil cylinder piston 38 and with piston 38 Spielpassung.Torque spring 33 is enclosed within the rotating shaft 35, and is positioned at outside the box body 32, and an end of torque spring 33 is fixed on the box body 32, and the other end of torque spring 33 is fixed in the rotating shaft 35.The filler opening 39 and the oil outlet 40 of the 3rd oil cylinder are positioned at outside the box body 32.
Filler opening 39 is near box body 32, and oil outlet 40 is arranged on the outer end of the cylinder body 37 of the 3rd oil cylinder, and oil gets in the cylinder bodies 37 through filler opening 39, under the promotion of piston rod 7, the hydraulic oil of cylinder body 37 is extruded from oil outlet 40.In the present embodiment, also be provided with exhaust port 44, use first in the time of should riding filling pump in the outer end of cylinder body 37; Oil in getting into cylinder body 37 before; The air that cylinder body 37 stored are certain, oil in progressing into cylinder body 37 after, through this exhaust port 44 gas is discharged; After gas was discharged, the bolt through sealing configuration stopped up this exhaust port 44.
The piston 38 of the 3rd oil cylinder is provided with chute 41 along its axial direction, the other end of driveshaft 36 pass chute 41 and with chute 41 Spielpassung.Make driveshaft 36 in rotating shaft 35 rotating process, the top of driveshaft 36 can promote that piston 38 moves forward or move backward.
The oil outlet 40 of the 3rd oil cylinder is connected with two oil cylinders of break, the filler opening of the 3rd oil cylinder is connected with oil storage cylinder 43.Should ride filling pump and be installed in the operating room, when needing braking, operator's only using foot is stepped on down foot treadle 34; Foot treadle 34 just drives rotating shaft 35 and rotates, and rotating shaft 35 drives driveshaft 36 and rotates together, and move in chute 41 at the top of driveshaft 36; Driven plunger 38 is pushed ahead simultaneously; Hydraulic oil in the cylinder body 37 is forced out and gets in two oil cylinder of break, and Brake drum is drawn close and held tightly step by step to two brake shoes that promote on the break, realizes braking; Hoist is when starting; Only need unclamp foot treadle 34, rotating shaft 35 is rotated under the restoring force effect of torque spring 33, and rotating shaft 35 drives driveshaft 36 and rotates together; Driveshaft 36 driven plunger 38 move backward; Two in-oil cylinder hydraulic oil of break turn back in the 3rd oil cylinder of foot-operated filling pump, and two brake shoes on the break are to two side shiftings and break away from Brake drum gradually, and motor driving initiatively travelling wheel is rotated.
When using the list active travelling wheel braking device that uses on this hoist, first Rotating Double captacula bar 6, the distance between coarse adjustment left side supporting frame 2 and the right supporting frame 3, and then adjust the distance between left brake shoe 4 and the right brake shoe 5.When needing braking; The foot-operated filling pump indoor through control operation goes out speed oil; And then control get between oil cylinder cover 18 and the piston 17 oil mass in the cavity how much; Thereby control piston 17 promotes left brake shoe 4 to be drawn close with right brake shoe 5, and controls the speed and strength of holding Brake drum tightly step by step, final realization braking.Hoist is when starting; Stop to first oil cylinder 8 and second oil cylinder, 9 fuel feeding through foot-operated filling pump; Piston 17 under the restoring force effect of spring 20 to a side shifting of oil cylinder cover 18; Piston 17 on first oil cylinder 8 and second oil cylinder 9 spurs left brake shoe 4 and right brake shoe 5 respectively, makes left brake shoe 4 and right brake shoe 5 also break away from Brake drum gradually to two side shiftings, and motor driving initiatively travelling wheel is rotated.
Therefore, use the single initiatively travelling wheel braking device that uses on this hoist, can control the oil pump capacity of the 3rd oil cylinder oil outlet through foot treadle; Thereby the control brake shoe is held the tightness of Brake drum tightly; Realize artificial control brake speed in the operating room, and retro-speed can adjust at any time, when hoist runs to rail end; Start foot-operated filling pump in advance; Can alleviate the striking force between buffer and the safe stop effectively, reduce the amplitude of lifted weight swing, more help the accurate shipment of lifted weight.
Explanation is at last; Above embodiment is only unrestricted in order to the technological scheme of explanation the utility model; Although with reference to preferred embodiment the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technological scheme of the utility model; And not breaking away from the aim and the scope of the utility model technological scheme, it all should be encompassed in the middle of the claim scope of the utility model.

Claims (9)

1. the single initiatively travelling wheel braking device that uses on the hoist is characterized in that: comprise break, oil separator (31) and be installed in the foot-operated filling pump in the operating room;
Said break comprises base (1), left supporting frame (2), right supporting frame (3), left brake shoe (4), right brake shoe (5), double end screw mandrel (6), first oil cylinder (8) and second oil cylinder (9); The top of said left supporting frame (2) and right supporting frame (3) has a bearing pin (7) with threaded hole respectively; The two ends of said double end screw mandrel (6) screw respectively in the tapped hole of the bearing pin (7) on left supporting frame (2) and right supporting frame (3); The bottom of said left supporting frame (2) and right supporting frame (3) is hinged on respectively on the left and right sides of base (1); The rotating left supporting frame (2) that is connected in the bottom of said left brake shoe (4) is gone up on the left main shaft (10) of cross setting; The rotating right supporting frame (3) that is connected in the bottom of said right brake shoe (5) is gone up on the right main shaft (11) of cross setting; Said first oil cylinder (8) is installed in the middle part of left supporting frame (2); The middle part of the end of the piston of first oil cylinder (8) and left brake shoe (4) flexibly connects, and said second oil cylinder (9) is installed in the middle part of right supporting frame (3), and the middle part of the end of the piston of second oil cylinder (9) and right brake shoe (5) flexibly connects;
The oil outlet of said foot-operated filling pump is connected with the filler opening of first oil cylinder (8) with second oil cylinder (9) respectively through oil separator (31).
2. the single initiatively travelling wheel braking device that uses on the hoist according to claim 1; It is characterized in that: said break also comprises left brake-shoe link (12) and right brake-shoe link (13); The bottom-hinged of said left brake-shoe link (12) is on left main shaft (10); The fixing left brake shoe axle (14) at the middle part of left brake-shoe link (12); The middle part of left side brake shoe (4) is hinged on the left brake shoe axle (14), and the end of the piston of said first oil cylinder (8) and left brake shoe axle (14) are hinged; The bottom-hinged of said right brake-shoe link (13) is on right main shaft (11); The fixing right brake shoe axle (15) at the middle part of right brake-shoe link (13); The middle part of right brake shoe (5) is hinged on the right brake shoe axle (15), and the end of the piston of said second oil cylinder (9) and right brake shoe axle (15) are hinged.
3. the single initiatively travelling wheel braking device that uses on the hoist according to claim 1 and 2, it is characterized in that: said first oil cylinder (8) and second oil cylinder (9) comprise cylinder body (16), piston (17), spring (20) respectively and are installed in the oil cylinder cover (18) on cylinder body (16) end face; Said piston (17) is arranged in the piston hole (19) of cylinder body (16) and with the inner wall sealing of cylinder body (16) and cooperates; Piston hole wall near oil cylinder cover (18) is provided with annular chamber (21); Said piston (17) forms an annular boss (22) near an end of oil cylinder cover (18) along its radially outward, and annular boss (22) is positioned at annular chamber (21); Said spring (20) is enclosed within on the piston (17), and an end is pressed on the medial extremity of annular chamber (21), and the other end is pressed on the annular boss (22); Said oil cylinder cover (18) is provided with filler opening (23) and exhaust port (24).
4. the single initiatively travelling wheel braking device that uses on the hoist according to claim 3 is characterized in that: be provided with wear-resisting band (25) between the hole wall two ends of said piston hole (19) and the piston (17).
5. the single initiatively travelling wheel braking device that uses on the hoist according to claim 4 is characterized in that: be provided with seal ring (26) between the annular boss (22) on the hole wall of said piston hole (19) and the piston (17).
6. the single initiatively travelling wheel braking device that uses on the hoist according to claim 5 is characterized in that: be provided with dust ring (27) between the hole wall of said piston (17) near outer end and piston hole (19).
7. the single initiatively travelling wheel braking device that uses on the hoist according to claim 1 and 2, it is characterized in that: said foot-operated filling pump comprises box body (32), torque spring (33), the 3rd oil cylinder, foot treadle (34), rotating shaft (35) and driveshaft (36); Said rotating shaft (35) is passed box body (32) and is rotatably assorted with box body (32), and the cylinder body of said the 3rd oil cylinder (37) penetrates in the box body (32), and the piston of the 3rd oil cylinder (38) is positioned at box body (32) and vertical with rotating shaft (35); Said foot treadle (34) is fixed on the cylindrical of rotating shaft (35) and is positioned at outside the box body (32); Said driveshaft (36) is perpendicular to rotating shaft (35); One end of driveshaft (36) is fixed in the rotating shaft (35), the other end pass the 3rd oil cylinder piston (38) and with its Spielpassung; Said torque spring (33) is enclosed within the rotating shaft (35), and an end of torque spring (33) is fixed on the box body (32), and the other end is fixed in the rotating shaft (35); Filler opening of said the 3rd oil cylinder (39) and oil outlet (40) are positioned at outside the box body (32).
8. the single initiatively travelling wheel braking device that uses on the hoist according to claim 7; It is characterized in that: the filler opening of said the 3rd oil cylinder (39) is near box body (32), and the oil outlet of said the 3rd oil cylinder (40) is arranged on the outer end of the cylinder body (37) of the 3rd oil cylinder.
9. the single initiatively travelling wheel braking device that uses on the hoist according to claim 8; It is characterized in that: the piston of said the 3rd oil cylinder (38) is provided with chute (41) along its axial direction, the other end of driveshaft (36) pass chute (41) and with chute (41) Spielpassung.
CN2012200711122U 2012-02-29 2012-02-29 Single driving traveling wheel braking device used on crane Expired - Fee Related CN202441767U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200711122U CN202441767U (en) 2012-02-29 2012-02-29 Single driving traveling wheel braking device used on crane

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200711122U CN202441767U (en) 2012-02-29 2012-02-29 Single driving traveling wheel braking device used on crane

Publications (1)

Publication Number Publication Date
CN202441767U true CN202441767U (en) 2012-09-19

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CN2012200711122U Expired - Fee Related CN202441767U (en) 2012-02-29 2012-02-29 Single driving traveling wheel braking device used on crane

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989747A (en) * 2015-07-11 2015-10-21 贵州大学 Braking method and braking device
CN107686052A (en) * 2017-08-24 2018-02-13 芜湖市长江起重设备制造有限公司 A kind of cart brake apparatus of bridge crane
CN108980233A (en) * 2018-09-20 2018-12-11 岭南师范学院 A kind of electrichydraulic control formula machinery wheel body lockable mechanism
CN109780089A (en) * 2017-11-10 2019-05-21 湖南三占科技股份有限公司 A kind of hydraulic rim brake
CN114072594A (en) * 2019-07-03 2022-02-18 塔拉诺技术公司 Fastening system for a component mounted on a brake head

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104989747A (en) * 2015-07-11 2015-10-21 贵州大学 Braking method and braking device
CN107686052A (en) * 2017-08-24 2018-02-13 芜湖市长江起重设备制造有限公司 A kind of cart brake apparatus of bridge crane
CN109780089A (en) * 2017-11-10 2019-05-21 湖南三占科技股份有限公司 A kind of hydraulic rim brake
CN108980233A (en) * 2018-09-20 2018-12-11 岭南师范学院 A kind of electrichydraulic control formula machinery wheel body lockable mechanism
CN114072594A (en) * 2019-07-03 2022-02-18 塔拉诺技术公司 Fastening system for a component mounted on a brake head
CN114072594B (en) * 2019-07-03 2024-03-26 塔拉诺技术公司 Fastening system for a brake head mounted component

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