CN104044998A - Monorail crane travelling mechanism hydraulic system for double-braking mine - Google Patents
Monorail crane travelling mechanism hydraulic system for double-braking mine Download PDFInfo
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- CN104044998A CN104044998A CN201410256114.2A CN201410256114A CN104044998A CN 104044998 A CN104044998 A CN 104044998A CN 201410256114 A CN201410256114 A CN 201410256114A CN 104044998 A CN104044998 A CN 104044998A
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Abstract
The invention discloses a monorail crane travelling mechanism hydraulic system for a double-braking mine. The monorail crane travelling mechanism hydraulic system comprises a left brake left side first connecting rod, a left brake left side second connecting rod, a right brake left side first connecting rod, a right brake left side second connecting rod, a left brake left side first brake disc, a left brake left side second brake disc, a right brake left side first brake disc, a right brake left side second brake disc, an I-shaped steel, a left brake right side first brake disc, a left brake right side second brake disc, a right brake right side first brake disc, a right brake right side second brake disc, a left brake right side first connecting rod, a left brake right side second connecting rod, a right brake right side first connecting rod, a right brake right side second connecting rod, a left brake rack, a right brake rack, a pushing oil cylinder, a left brake first oil cylinder, a left brake second oil cylinder, a right brake first oil cylinder and a right brake second oil cylinder and the like. The monorail crane travelling mechanism hydraulic system provided by the invention has the advantages that the system is simple, a braking force and a traction force are large, the operation is convenient, the property is reliable and the like.
Description
Technical field
The present invention relates to Hydraulic Field, specifically a kind of pair of braking type mining monorail crane traveling gear hydraulic efficiency pressure system
Background technology
Along with the passing of fully-mechanized mining working, all need synchronizing moving with the supporting cable of driving surface, emulsion sebific duct, water pipe etc., owing to there is no the mobile devices such as special-purpose cable, emulsion sebific duct, water pipe, there is certain difficulty in their delivery.In order to alleviate underground labour's operation labor intensity, mining monorail crane cable consignment system complete equipment arises, and the present invention relates to a kind of pair of braking type mining monorail crane traveling gear hydraulic efficiency pressure system of this complete equipment.
Summary of the invention
In order to alleviate underground labour's operation labor intensity, the object of the present invention is to provide a kind of pair of braking type mining monorail crane traveling gear hydraulic efficiency pressure system of mining monorail crane cable consignment system complete equipment.
The walking manner of mining monorail crane cable consignment system complete equipment is manual step type walking, the present invention is on the basis of for many years mining monorail crane cable consignment system complete equipment being studied inventor, a kind of pair of braking type mining monorail crane traveling gear hydraulic efficiency pressure system of design, this system not only can provide failure-free braking force more for the walking of mining monorail crane cable consignment system complete equipment, and there is the large and large feature of tractive force of braking force, for developing the mining monorail crane traveling gear of high thrust, provide new design philosophy.
The technical scheme that the present invention solves its technical matters employing is: the present invention is by left drg left side first connecting rod (1), left drg left side second connecting rod (1A), right drg left side first connecting rod (1B), right drg left side second connecting rod (1C), left drg left side the first brake disc (2), left drg left side the second brake disc (2A), right drg left side the first brake disc (2B), right drg left side the second brake disc (2C), I-beam section (3), left drg right side the first brake disc (4), left drg right side the second brake disc (4A), right drg right side the first brake disc (4B), right drg right side the second brake disc (4C), left drg right side first connecting rod (5), left drg right side second connecting rod (5A), right drg right side first connecting rod (5B), right drg right side second connecting rod (5C), left drg frame (6), right drg frame (6A), pass oil cylinder (7), left braking the first oil cylinder (8), left braking the second oil cylinder (8A), right braking the first oil cylinder (8B), right braking the second oil cylinder (8C), hydraulic lock (9), 3-position 4-way hand change over valve (10), 3-position 4-way hand change over valve (10A), 3-position 4-way hand change over valve (10B), left drg (11), right braking (11A) device, hydraulic control one-way valve (12), hydraulic control one-way valve (12A), reducing valve (13), high-pressure emulsification liquid interface (14), low pressure emulsion interface (15), first group of braking of left drg (16), second group of braking of left drg (16A), first group of braking of right drg (16B), second group of braking of right drg (16C) forms, high-pressure emulsification liquid interface (14) communicates with the P mouth of 3-position 4-way hand change over valve (10), (10A), (10B) through P mouth, the P1 mouth of reducing valve (13) respectively, and low pressure emulsion interface (15) connects respectively the T mouth of 3-position 4-way hand change over valve (10), (10A), (10B), the A mouth of 3-position 4-way hand change over valve (10B) connects the A1 mouth of hydraulic lock (9), and the B mouth of 3-position 4-way hand change over valve (10B) connects the B1 mouth of hydraulic lock (9), the A mouth of 3-position 4-way hand change over valve (10A) connects the P mouth of hydraulic control one-way valve (12A), and the B mouth of 3-position 4-way hand change over valve (10A) connects respectively the B0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C) and the K mouth of hydraulic control one-way valve (12A), the A mouth of 3-position 4-way hand change over valve (10) connects the P mouth of hydraulic control one-way valve (12), and the B mouth of 3-position 4-way hand change over valve (10) connects respectively the B0 mouth of left braking the first oil cylinder (8), left braking the second oil cylinder (8A) and the K mouth of hydraulic control one-way valve (12), the A2 mouth of hydraulic lock (9) connects the A0 mouth of passing oil cylinder (7), and the B2 mouth of hydraulic lock (9) connects the B0 mouth of passing oil cylinder (7), the P1 mouth of hydraulic control one-way valve (12A) connects respectively the A0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C).
Left drg (11) is comprised of first group of braking of left drg (16), second group of braking of left drg (16A); First group of braking of left drg (16) is comprised of left braking the first oil cylinder (8), left drg left side first connecting rod (1), left drg right side first connecting rod (5), left drg left side the first brake disc (2), left drg right side the first brake disc (4), left drg frame (6); Second group of braking of left drg (16A) is comprised of left braking the second oil cylinder (8A), left drg left side second connecting rod (1A), left drg right side second connecting rod (5A), left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), left drg frame (6); Left drg (11) is sliding being contained on I-beam section (3); The cylinder body of left braking the first oil cylinder (8) and left drg left side first connecting rod (1) are hinged, and the piston rod of left braking the first oil cylinder (8) and left drg right side first connecting rod (5) are hinged; Left drg left side first connecting rod (1), left drg right side first connecting rod (5) are hinged with left drg frame (6) respectively; Left drg left side first connecting rod (1) is hinged with left drg left side the first brake disc (2), and left drg right side first connecting rod (5) is hinged with left drg right side the first brake disc (4); Left drg left side the first brake disc (2), left drg right side the first brake disc (4), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction; The cylinder body of left braking the second oil cylinder (8A) and left drg left side second connecting rod (1A) are hinged, and the piston rod of left braking the second oil cylinder (8A) and left drg right side second connecting rod (5A) are hinged; Left drg left side second connecting rod (1A), left drg right side second connecting rod (5A) are hinged with left drg frame (6) respectively; Left drg left side second connecting rod (1A) is hinged with left drg left side the second brake disc (2A), and left drg right side second connecting rod (5A) is hinged with left drg right side the second brake disc (4A); Left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction.
Right drg (11A) is comprised of first group of braking of right drg (16B), second group of braking of right drg (16C); First group of braking of right drg (16B) is comprised of right braking the first oil cylinder (8B), right drg left side first connecting rod (1B), right drg right side first connecting rod (5B), right drg left side the first brake disc (2B), right drg right side the first brake disc (4B), right drg frame (6A); Second group of braking of right drg (16C) is comprised of right braking the second oil cylinder (8C), right drg left side second connecting rod (1C), right drg right side second connecting rod (5C), right drg left side the second brake disc (2C), right drg right side the second brake disc (4C), right drg frame (6A); Right drg (11A) is sliding being contained on I-beam section (3); The cylinder body of right braking the first oil cylinder (8B) and right drg left side first connecting rod (1B) are hinged, and the piston rod of right braking the first oil cylinder (8B) and right drg right side first connecting rod (5B) are hinged; Right drg left side first connecting rod (1B), right drg right side first connecting rod (5B) are hinged with right drg frame (6A) respectively; Right drg left side first connecting rod (1B) is hinged with right drg left side the first brake disc (2B), and right drg right side first connecting rod (5B) is hinged with right drg right side the first brake disc (4B); Right drg left side the first brake disc (2B), right drg right side the first brake disc (4B), along the slideway of right drg frame (6A), are done the motion perpendicular to I-beam section (3) web direction; The cylinder body of right braking the second oil cylinder (8C) and right drg left side second connecting rod (1C) are hinged, and the piston rod of right braking the second oil cylinder (8C) and right drg right side second connecting rod (5C) are hinged; Right drg left side second connecting rod (1C), right drg right side second connecting rod (5C) are hinged with right drg frame (6A) respectively; Right drg left side second connecting rod (1C) is hinged with right drg left side the second brake disc (2C), and right drg right side second connecting rod (5C) is hinged with right drg right side the second brake disc (4C); Right drg left side the second brake disc (2C), right drg right side the second brake disc (4C), along the slideway of right drg frame (6A), are done the motion perpendicular to I-beam section (3) web direction.
Passing oil cylinder (7) is positioned between left drg (11), right drg (11A), cylinder body and the left drg frame (6) of passing oil cylinder (7) are hinged, and piston rod and the right drg frame (6A) of passing oil cylinder (7) are hinged; Left drg frame (6), right drg frame (6A) are slided and are contained in I-beam section (3) above, can move along the length direction of I-beam section (3).
The present invention compares with background technology, the beneficial effect having is: this kind of two braking type mining monorail crane thrust gear hydraulic efficiency pressure system, can pass through respectively 3-position 4-way hand change over valve (10), 3-position 4-way hand change over valve (10A), the motion control of 3-position 4-way hand change over valve (10B) realization to traveling gear.
The advantages such as system is simple therefore the present invention has, braking force and tractive force is large, easy to operate, dependable performance.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the present invention will be further described.
Fig. 1 is hydraulic scheme of the present invention;
In figure: the first connecting rod of (1) left drg left side; (1A) left drg left side second connecting rod; (1B) right drg left side first connecting rod; (1C) right drg left side second connecting rod; (2) left drg left side the first brake disc; (2A) left drg left side the second brake disc; (2B) right drg left side the first brake disc; (2C) right drg left side the second brake disc; (3) I-beam section; (4) left drg right side the first brake disc; (4A) left drg right side the second brake disc; (4B) right drg right side the first brake disc; (4C) right drg right side the second brake disc; (5) left drg right side first connecting rod; (5A) left drg right side second connecting rod; (5B) right drg right side first connecting rod; (5C) right drg right side second connecting rod; (6) left drg frame; (6A) right drg frame; (7) pass oil cylinder; (8) right braking the first oil cylinder; (8A) right braking the second oil cylinder; (8B) left braking the first oil cylinder; (8C) left braking the second oil cylinder; (9) hydraulic lock; (10) 3-position 4-way hand change over valve; (10A) 3-position 4-way hand change over valve; (10B) 3-position 4-way hand change over valve; (11) left drg; (11A) right drg; (12) hydraulic control one-way valve; (12A) hydraulic control one-way valve; (13) reducing valve; (14) high-pressure emulsification liquid interface; (15) low pressure emulsion interface; (16) first group of braking of left drg; (16A) second group of braking of left drg; (16B) first group of braking of right drg; (16C) second group of braking of right drg.
The specific embodiment
As shown in Figure 1, the present invention is by left drg left side first connecting rod (1), left drg left side second connecting rod (1A), right drg left side first connecting rod (1B), right drg left side second connecting rod (1C), left drg left side the first brake disc (2), left drg left side the second brake disc (2A), right drg left side the first brake disc (2B), right drg left side the second brake disc (2C), I-beam section (3), left drg right side the first brake disc (4), left drg right side the second brake disc (4A), right drg right side the first brake disc (4B), right drg right side the second brake disc (4C), left drg right side first connecting rod (5), left drg right side second connecting rod (5A), right drg right side first connecting rod (5B), right drg right side second connecting rod (5C), left drg frame (6), right drg frame (6A), pass oil cylinder (7), left braking the first oil cylinder (8), left braking the second oil cylinder (8A), right braking the first oil cylinder (8B), right braking the second oil cylinder (8C), hydraulic lock (9), 3-position 4-way hand change over valve (10), 3-position 4-way hand change over valve (10A), 3-position 4-way hand change over valve (10B), left drg (11), right braking (11A) device, hydraulic control one-way valve (12), hydraulic control one-way valve (12A), reducing valve (13), high-pressure emulsification liquid interface (14), low pressure emulsion interface (15), first group of braking of left drg (16), second group of braking of left drg (16A), first group of braking of right drg (16B), second group of braking of right drg (16C) forms, high-pressure emulsification liquid interface (14) communicates with the P mouth of 3-position 4-way hand change over valve (10), (10A), (10B) through P mouth, the P1 mouth of reducing valve (13) respectively, and low pressure emulsion interface (15) connects respectively the T mouth of 3-position 4-way hand change over valve (10), (10A), (10B), the A mouth of 3-position 4-way hand change over valve (10B) connects the A1 mouth of hydraulic lock (9), and the B mouth of 3-position 4-way hand change over valve (10B) connects the B1 mouth of hydraulic lock (9), the A mouth of 3-position 4-way hand change over valve (10A) connects the P mouth of hydraulic control one-way valve (12A), and the B mouth of 3-position 4-way hand change over valve (10A) connects respectively the B0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C) and the K mouth of hydraulic control one-way valve (12A), the A mouth of 3-position 4-way hand change over valve (10) connects the P mouth of hydraulic control one-way valve (12), and the B mouth of 3-position 4-way hand change over valve (10) connects respectively the B0 mouth of left braking the first oil cylinder (8), left braking the second oil cylinder (8A) and the K mouth of hydraulic control one-way valve (12), the A2 mouth of hydraulic lock (9) connects the A0 mouth of passing oil cylinder (7), and the B2 mouth of hydraulic lock (9) connects the B0 mouth of passing oil cylinder (7), the P1 mouth of hydraulic control one-way valve (12A) connects respectively the A0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C).
Left drg (11) is comprised of first group of braking of left drg (16), second group of braking of left drg (16A); First group of braking of left drg (16) is comprised of left braking the first oil cylinder (8), left drg left side first connecting rod (1), left drg right side first connecting rod (5), left drg left side the first brake disc (2), left drg right side the first brake disc (4), left drg frame (6); Second group of braking of left drg (16A) is comprised of left braking the second oil cylinder (8A), left drg left side second connecting rod (1A), left drg right side second connecting rod (5A), left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), left drg frame (6); Left drg (11) is sliding being contained on I-beam section (3); The cylinder body of left braking the first oil cylinder (8) and left drg left side first connecting rod (1) are hinged, and the piston rod of left braking the first oil cylinder (8) and left drg right side first connecting rod (5) are hinged; Left drg left side first connecting rod (1), left drg right side first connecting rod (5) are hinged with left drg frame (6) respectively; Left drg left side first connecting rod (1) is hinged with left drg left side the first brake disc (2), and left drg right side first connecting rod (5) is hinged with left drg right side the first brake disc (4); Left drg left side the first brake disc (2), left drg right side the first brake disc (4), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction; The cylinder body of left braking the second oil cylinder (8A) and left drg left side second connecting rod (1A) are hinged, and the piston rod of left braking the second oil cylinder (8A) and left drg right side second connecting rod (5A) are hinged; Left drg left side second connecting rod (1A), left drg right side second connecting rod (5A) are hinged with left drg frame (6) respectively; Left drg left side second connecting rod (1A) is hinged with left drg left side the second brake disc (2A), and left drg right side second connecting rod (5A) is hinged with left drg right side the second brake disc (4A); Left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction.
Right drg (11A) is comprised of first group of braking of right drg (16B), second group of braking of right drg (16C); First group of braking of right drg (16B) is comprised of right braking the first oil cylinder (8B), right drg left side first connecting rod (1B), right drg right side first connecting rod (5B), right drg left side the first brake disc (2B), right drg right side the first brake disc (4B), right drg frame (6A); Second group of braking of right drg (16C) is comprised of right braking the second oil cylinder (8C), right drg left side second connecting rod (1C), right drg right side second connecting rod (5C), right drg left side the second brake disc (2C), right drg right side the second brake disc (4C), right drg frame (6A); Right drg (11A) is sliding being contained on I-beam section (3); The cylinder body of right braking the first oil cylinder (8B) and right drg left side first connecting rod (1B) are hinged, and the piston rod of right braking the first oil cylinder (8B) and right drg right side first connecting rod (5B) are hinged; Right drg left side first connecting rod (1B), right drg right side first connecting rod (5B) are hinged with right drg frame (6A) respectively; Right drg left side first connecting rod (1B) is hinged with right drg left side the first brake disc (2B), and right drg right side first connecting rod (5B) is hinged with right drg right side the first brake disc (4B); Right drg left side the first brake disc (2B), right drg right side the first brake disc (4B), along the slideway of right drg frame (6A), are done the motion perpendicular to I-beam section (3) web direction; The cylinder body of right braking the second oil cylinder (8C) and right drg left side second connecting rod (1C) are hinged, and the piston rod of right braking the second oil cylinder (8C) and right drg right side second connecting rod (5C) are hinged; Right drg left side second connecting rod (1C), right drg right side second connecting rod (5C) are hinged with right drg frame (6A) respectively; Right drg left side second connecting rod (1C) is hinged with right drg left side the second brake disc (2C), and right drg right side second connecting rod (5C) is hinged with right drg right side the second brake disc (4C); Right drg left side the second brake disc (2C), right drg right side the second brake disc (4C), along the slideway of right drg frame (6A), are done the motion perpendicular to I-beam section (3) web direction.
Passing oil cylinder (7) is positioned between left drg (11), right drg (11A), cylinder body and the left drg frame (6) of passing oil cylinder (7) are hinged, and piston rod and the right drg frame (6A) of passing oil cylinder (7) are hinged; Left drg frame (6), right drg frame (6A) are slided and are contained in I-beam section (3) above, can move along the length direction of I-beam section (3).
The mining monorail crane cable consignment system complete equipment of take is below illustrated to left movement as example.
In the shutdown stage; passing oil cylinder (7) is to keep piston rod retracted state; left braking the first oil cylinder (8), left braking the second oil cylinder (8A), right braking the first oil cylinder (8B), right braking the second oil cylinder (8C) are to be all in the braking mode of stretching out, and 3-position 4-way hand change over valve (10), 3-position 4-way hand change over valve (10A), 3-position 4-way hand change over valve (10B) are all in meta state.
When traveling gear is prepared to left movement, the first step, left drg (11) is declutched: 3-position 4-way hand change over valve (10) is pulled to right position, P mouth and the B mouth of 3-position 4-way hand change over valve (10) are communicated, A mouth and T mouth communicate, make left braking the first oil cylinder (8), the B0 chamber oil-feed of left braking the second oil cylinder (8A), and then make left braking the first oil cylinder (8), the piston rod retraction of left braking the second oil cylinder (8A), left braking the first oil cylinder (8), the oil return liquid of left braking the second oil cylinder (8A) A0 mouth is through P1 and the P mouth of hydraulic control one-way valve (12), the A mouth of 3-position 4-way hand change over valve (10) and T mouth, flow back into low pressure emulsion interface (15), left braking the first oil cylinder (8), the piston rod retracting motion of left braking the second oil cylinder (8A), drive left drg left side first connecting rod (1), left drg left side second connecting rod (1A) and left drg right side first connecting rod (5), left drg right side second connecting rod (5A) rotates along left drg frame (6), promote left drg left side the first brake disc (2), left drg left side the second brake disc (2A) and left drg right side the first brake disc (4), left drg right side the second brake disc (4A) is to the direction motion that deviates from I-beam section (3) web, left side drg (11) is declutched, then 3-position 4-way hand change over valve (10) is pulled to meta, now, left side drg (11) is to be in the state of declutching,
Second step, the cylinder body that makes to pass the oil cylinder of oil cylinder (7) is moved to the left a stroke: 3-position 4-way hand change over valve (10B) is pulled to left position, P mouth and the A mouth of 3-position 4-way hand change over valve (10B) are communicated, B mouth and the T mouth of 3-position 4-way hand change over valve (10B) communicate, make high-pressure emulsion pass through the P mouth of 3-position 4-way hand change over valve (10B), A mouth, the A1 mouth of hydraulic lock (9), A2 mouth communicates with the A0 mouth of passing oil cylinder (7), the piston rod that promotes passing oil cylinder (7) stretches out, oil return liquid is by passing the B0 mouth of oil cylinder (7), the B2 mouth of hydraulic lock (9), B1 mouth, the B mouth of 3-position 4-way hand change over valve (10), T mouth flows back to low pressure emulsion interface (15), because right drg (16A) is in being braked state, the piston rod of the passing oil cylinder (7) being connected with right drg frame (6A) is also motionless, when passing the A0 mouth oil-feed of oil cylinder (7), passing the B0 mouth oil return of oil cylinder (7), the cylinder body of passing oil cylinder (7) can only be to left movement, and then makes the left drg frame (6) being connected with the cylinder body of passing oil cylinder (7) also to left movement, after a stroke of passing oil cylinder (7) is covered, 3-position 4-way hand change over valve (10B) is pulled to meta,
The 3rd step, make left drg (11) in braking mode: 3-position 4-way hand change over valve (10) is pulled to left position, P mouth and the A mouth of 3-position 4-way hand change over valve (10) are communicated, B mouth and T mouth communicate, make left braking the first oil cylinder (8), the A0 chamber oil-feed of left braking the second oil cylinder (8A), the oil return of B0 chamber, and then make left braking the first oil cylinder (8), the piston rod of left braking the second oil cylinder (8A) stretches out, drive left drg left side first connecting rod (1), left drg left side second connecting rod (1A) and left drg right side first connecting rod (5), left drg right side second connecting rod (5A) rotates along left drg frame (6), promote left drg left side the first brake disc (2), left drg left side the second brake disc (2A) and left drg right side the first brake disc (4), left drg right side the second brake disc (4A) is towards the direction motion of pointing to I-beam section (3) web, make left side drg (11) braking, then 3-position 4-way hand change over valve (10) is pulled to meta, now, left side drg (11) is to be in braking mode,
The 4th step, right drg (11A) is declutched: 3-position 4-way hand change over valve (10A) be pulled to right position, P mouth and the B mouth of 3-position 4-way hand change over valve (10A) are communicated, A mouth and T mouth communicate, make right braking the first oil cylinder (8B), the B0 chamber oil-feed of right braking the second oil cylinder (8C), the oil return of A0 chamber, and then make right braking the first oil cylinder (8B), the piston rod retraction of right braking the second oil cylinder (8C), drive right drg left side first connecting rod (1B), right drg left side second connecting rod (1C) and right drg right side first connecting rod (5B), right drg right side second connecting rod (5C) rotates along right drg frame (6A), promote right drg left side the first brake disc (2B), right drg left side the second brake disc (2C) and right drg right side the first brake disc (4B), right drg right side the second brake disc (4C) is to the direction motion that deviates from I-beam section (3) web, right side drg (11A) is declutched, then 3-position 4-way hand change over valve (10) is pulled to meta, now, right side drg (11A) is in the state of declutching,
The 5th step, the piston rod that makes to pass the oil cylinder of oil cylinder (7) is moved to the left a stroke: 3-position 4-way hand change over valve (10B) is pulled to right position, make to pass the B0 mouth oil-feed of oil cylinder (7), the oil return of A0 mouth, because the left drg frame (6) being connected with passing oil cylinder (7) cylinder body is braked, so when passing the piston rod retraction of oil cylinder (7), with pass the right drg frame (6A) that oil cylinder (7) piston rod is connected will be to left movement, after a stroke is covered, then 3-position 4-way hand change over valve (10B) is pulled to meta; The 6th step, make right drg (11A) in braking mode: 3-position 4-way hand change over valve (10A) is pulled to left position, make right drg (11A) braking, then 3-position 4-way hand change over valve (10A) is pulled to meta, make right drg (11A) in braking mode, for the next one ready to the circulation of left movement.
Claims (2)
1. two braking type mining monorail crane traveling gear hydraulic efficiency pressure systems, is characterized in that: comprise left drg left side first connecting rod (1), left drg left side second connecting rod (1A), right drg left side first connecting rod (1B), right drg left side second connecting rod (1C), left drg left side the first brake disc (2), left drg left side the second brake disc (2A), right drg left side the first brake disc (2B), right drg left side the second brake disc (2C), I-beam section (3), left drg right side the first brake disc (4), left drg right side the second brake disc (4A), right drg right side the first brake disc (4B), right drg right side the second brake disc (4C), left drg right side first connecting rod (5), left drg right side second connecting rod (5A), right drg right side first connecting rod (5B), right drg right side second connecting rod (5C), left drg frame (6), right drg frame (6A), pass oil cylinder (7), left braking the first oil cylinder (8), left braking the second oil cylinder (8A), right braking the first oil cylinder (8B), right braking the second oil cylinder (8C), hydraulic lock (9), 3-position 4-way hand change over valve (10), 3-position 4-way hand change over valve (10A), 3-position 4-way hand change over valve (10B), left drg (11), right braking (11A) device, hydraulic control one-way valve (12), hydraulic control one-way valve (12A), reducing valve (13), high-pressure emulsification liquid interface (14), low pressure emulsion interface (15), first group of braking of left drg (16), second group of braking of left drg (16A), first group of braking of right drg (16B), second group of braking of right drg (16C), high-pressure emulsification liquid interface (14) communicates with the P mouth of 3-position 4-way hand change over valve (10), (10A), (10B) through P mouth, the P1 mouth of reducing valve (13) respectively, and low pressure emulsion interface (15) connects respectively the T mouth of 3-position 4-way hand change over valve (10), (10A), (10B), the A mouth of 3-position 4-way hand change over valve (10B) connects the A1 mouth of hydraulic lock (9), and the B mouth of 3-position 4-way hand change over valve (10B) connects the B1 mouth of hydraulic lock (9), the A mouth of 3-position 4-way hand change over valve (10A) connects the P mouth of hydraulic control one-way valve (12A), and the B mouth of 3-position 4-way hand change over valve (10A) connects respectively the B0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C) and the K mouth of hydraulic control one-way valve (12A), the A mouth of 3-position 4-way hand change over valve (10) connects the P mouth of hydraulic control one-way valve (12), and the B mouth of 3-position 4-way hand change over valve (10) connects respectively the B0 mouth of left braking the first oil cylinder (8), left braking the second oil cylinder (8A) and the K mouth of hydraulic control one-way valve (12), the A2 mouth of hydraulic lock (9) connects the A0 mouth of passing oil cylinder (7), and the B2 mouth of hydraulic lock (9) connects the B0 mouth of passing oil cylinder (7), the P1 mouth of hydraulic control one-way valve (12A) connects respectively the A0 mouth of right braking the first oil cylinder (8B), right braking the second oil cylinder (8C).
2. a kind of pair of braking type mining monorail crane traveling gear hydraulic efficiency pressure system according to claim 1, is characterized in that: left drg (11) is comprised of first group of braking of left drg (16), second group of braking of left drg (16A); First group of braking of left drg (16) is comprised of left braking the first oil cylinder (8), left drg left side first connecting rod (1), left drg right side first connecting rod (5), left drg left side the first brake disc (2), left drg right side the first brake disc (4), left drg frame (6); Second group of braking of left drg (16A) is comprised of left braking the second oil cylinder (8A), left drg left side second connecting rod (1A), left drg right side second connecting rod (5A), left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), left drg frame (6); Left drg (11) is sliding being contained on I-beam section (3); The cylinder body of left braking the first oil cylinder (8) and left drg left side first connecting rod (1) are hinged, and the piston rod of left braking the first oil cylinder (8) and left drg right side first connecting rod (5) are hinged; Left drg left side first connecting rod (1), left drg right side first connecting rod (5) are hinged with left drg frame (6) respectively; Left drg left side first connecting rod (1) is hinged with left drg left side the first brake disc (2), and left drg right side first connecting rod (5) is hinged with left drg right side the first brake disc (4); Left drg left side the first brake disc (2), left drg right side the first brake disc (4), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction; The cylinder body of left braking the second oil cylinder (8A) and left drg left side second connecting rod (1A) are hinged, and the piston rod of left braking the second oil cylinder (8A) and left drg right side second connecting rod (5A) are hinged; Left drg left side second connecting rod (1A), left drg right side second connecting rod (5A) are hinged with left drg frame (6) respectively; Left drg left side second connecting rod (1A) is hinged with left drg left side the second brake disc (2A), and left drg right side second connecting rod (5A) is hinged with left drg right side the second brake disc (4A); Left drg left side the second brake disc (2A), left drg right side the second brake disc (4A), along the slideway of left drg frame (6), are done the motion perpendicular to I-beam section (3) web direction.
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| CN106438529A (en) * | 2016-11-07 | 2017-02-22 | 安徽理工大学 | Synchronous double-braking hydraulic system of mining monorail crane travelling mechanism |
| CN106938822A (en) * | 2016-11-07 | 2017-07-11 | 安徽理工大学 | A kind of semi-automatic mining monorail crane step forward walking mechanism hydraulic system of synchronous double brake type |
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