CN103496645A - Speed changer for coal mine drilling rig hydraulic winch - Google Patents
Speed changer for coal mine drilling rig hydraulic winch Download PDFInfo
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- CN103496645A CN103496645A CN201310401889.XA CN201310401889A CN103496645A CN 103496645 A CN103496645 A CN 103496645A CN 201310401889 A CN201310401889 A CN 201310401889A CN 103496645 A CN103496645 A CN 103496645A
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Abstract
The invention discloses a speed changer for a coal mine drilling rig hydraulic winch. The speed changer comprises an input mechanism, an output mechanism, a gear shifting executing mechanism and a gear shifting control mechanism, wherein the input mechanism, the output mechanism and the gear shifting executing mechanism are arranged in a box body, and the gear shifting control mechanism is arranged outside the box body. The gear shifting control mechanism comprises a programmable logic controller, an electric control cabinet and a frequently-used solenoid valve, and automatic gear shifting is achieved by changing the working state of a piston. Gear sets meshed with each other are arranged on an input shaft and an output shaft, a double-connecting sliding gear is arranged between the gear sets, the tool withdrawal groove of the double-connecting sliding gear is matched with a shifting fork, the gear shifting control mechanism effectively controls the gear shifting executing mechanism, and the gear shifting and the automation of the gear shifting are achieved.
Description
Technical field
The present invention relates to for the transmission device on mechanical equipment, be specifically related to a kind of coal mine drilling machine hydraulic wireline winch change-speed box that possesses the numerical control control technology.
Background technology
The purposes of coal mine drilling machine hydraulic wireline winch is: (1) coal mine drilling machine hydraulic wireline winch can be done drawing hoist at a slow speed the time and use, and can make car hauler in the time of fast and use; (2) be mainly used in hauling mine car and other auxiliary carrying work with other mine in tunnel under coal mine; (3) can be used for scheduling marshalling mine car in stope and driving face loading depot, perhaps for the assistant conveyance work such as the resettlement of the scheduling of coal mine down-hole tunnel mine car, material transportation, prop drawing caving, all kinds of electromechanical appliances and reclaim the metal mainstay that sinks to base plate or tied by the spoil card on various coal-faces, can also be as moving chute, moving the work of belt transporter head lamp auxiliary traction.
The main study subject of the invention is the key components and parts change-speed box in coal mine drilling machine hydraulic wireline winch equipment.At present traditional coal mine drilling machine with retarder because transmitted power is little, rotating speed and moment of torsion is single, reliability is low, the high vibration of noise large and inefficiency, therefore, in the time of can not meeting colliery drilling enterprise deep-well coal mining, the High Performance coal mine drilling machine is used the operating needs of retarder.This change-speed box manufactures and designs according to the principle of " safety, reliable, advanced, economic, applicable ", the standard that meets country and relevant industries, therefore, have the range of temperatures of conforming wide, can round-the-clock open work, noise is low, temperature rise is little, not easy oil leakage, long service life, maintaining are convenient, adopted the pioneering technology measure to make the change-speed box rotating speed and the moment of torsion output area is wide, the application Numeric Control Technology has realized the advantages such as automatic gear change function substantially.
To achieve these goals, solve existing issue, the present invention proposes a kind of new solution.
Summary of the invention
The purpose of this invention is to provide a kind of change-speed box that is applied to coal mine drilling machine hydraulic wireline winch equipment, this change-speed box can be realized gearshift function and operation by numerical control, and the while is reducing noise at work, not easy oil leakage.
For reaching above-mentioned purpose, the technical solution adopted in the present invention is: a kind of coal mine drilling machine hydraulic wireline winch change-speed box is provided, comprise the input mechanism, output mechanism and the gear shifting actuating mechanism that are arranged on box house, it is characterized in that: also comprise the gearshift control mechanism that is arranged on the casing outside;
Described casing is provided with the cast steel supporting seat;
Described input mechanism comprises input shaft and is fixed on input gear a and the input gear b on input shaft, the two ends of described input shaft are respectively equipped with tapered roller bearing a and tapered roller bearing b, the inside face of tapered roller bearing a and tapered roller bearing b is fixed on the input shaft two ends, and outside face is fixed on the cast steel supporting seat; The outer face of described tapered roller bearing a and tapered roller bearing b is connected with respectively end cap a and end cap b;
Described output mechanism comprises output shaft and is fixed on two duplex angular contact ball bearings on output shaft, be fixed with respectively on the periphery of described duplex angular contact ball bearing and the output gear a of input gear a engagement and the output gear b meshed with input gear b, between output gear a and output gear b, be fixed with double crosslinking sliding gear; This double crosslinking sliding gear is provided with relief groove; The outside of described output gear a and output gear b is fixed with respectively self-aligning roller bearing a and self-aligning roller bearing b, the both sides of self-aligning roller bearing a are provided with gland and spacer, the both sides of self-aligning roller bearing b are provided with gland and spacer, the periphery of this gland is provided with end cap c, and the outside of gland is provided with end cap d;
Described gear shifting actuating mechanism comprises fork and the hydraulic actuating cylinder that is provided with the U-shaped socket, the tail end of fork is connected with an end of piston rod, the other end of piston rod stretches in hydraulic actuating cylinder and is connected with piston, and this piston is divided into upper and lower two chambers by hydraulic actuating cylinder, and inside upper chamber and lower chambers, spring all is installed; The top of described upper chamber is provided with access point a, and lower chambers is connected with solid drawn pipe and adaptor union, and adaptor union is connected with access point b;
Described gearshift control mechanism comprises Programmable Logic Controller, electrical control cubicles, side putting type hydraulic power unit and solenoid directional control valve, described solenoid directional control valve has port A, port B, port T and port P, port a is connected with the self acting electromagnetic valve with access point a, and port b is connected with the self acting electromagnetic valve with access point b; Described side putting type hydraulic power unit comprises fuel tank, Hydraulic Pump and electrical motor, and port P is connected with fuel tank with port T, and described Programmable Logic Controller is connected with electrical control cubicles, and electrical control cubicles is connected with the self acting electromagnetic valve with electrical motor.
Preferably, casing comprises upper box and lower box, between cast steel supporting seat and upper box bottom and lower box bottom, is provided with fixing support rack; The junction of described upper box and lower box is provided with taper pin and straight pin.
Preferably, in input mechanism, be provided with gland between end cap b and input shaft, be provided with the Double-lip framework oil sealing with the gland bearing fit in the cavity of gland and end cap b, between described tapered roller bearing a and input gear a and between tapered roller bearing b and input gear b, be equipped with oil seal washer.
Preferably, in output mechanism, an end of output shaft is provided with key, between the gland on output shaft and end cap c, is provided with the Double-lip framework oil sealing.
Preferably, in gear shifting actuating mechanism, on the end face of the U-shaped socket of fork and periphery, be welded with phosphor bronze wire.
Preferably, in the gearshift control mechanism, with port A, with the pipeline that port B is connected, be provided with by pass valve.
Preferably, also comprise the liquid level liquid thermometer be arranged on casing.
Preferably, also comprise temperature sensor and the electric heater that is arranged on box house.
Preferably, also comprise the aerator be connected with casing.
In sum, the present invention has the following advantages:
1, with original winch change-speed box, compare, the present invention by arranging the pitch wheel group on input shaft and output shaft, and be provided with double crosslinking sliding gear between gear cluster, the relief groove of double crosslinking sliding gear coordinates with shift fork, the gearshift control mechanism control effectively to gear shifting actuating mechanism, realizes the automation of gearshift and gearshift.
2, the maximum input torque of change-speed box reaches 4008.0Nm, and transmission efficiency is more than 98%; Gear and axle are processed through accurate kinetic balance respectively; Axle system adopts the special seal structure design of strengthening, and can guarantee change-speed box under extremely severe working condition, work oil tight, have safe, economical and practical, structure is advanced, volume is little, use is reliable, interchangeability is good, be easy to maintaining and realize the automatically advantage such as control of digital process.
3, conform range of temperatures wide, can round-the-clock open work.Process and adopt advanced processes to assemble through optimal design because this change-speed box forms structure, particularly strengthened bulk strength and the rigidity of casing, guaranteed that this change-speed box can adapt to the reliability of-30 ℃～+ 50 ℃ round-the-clock open works under ambient temperature conditions.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is input system;
The schematic diagram that Fig. 2 is output system;
The schematic diagram that Fig. 3 is gear shifting actuating mechanism;
Fig. 4 is the connection diagram of gearshift control mechanism hydraulic oil trend and electric wiring;
The schematic diagram that Fig. 5 is aerator;
The front elevation that Fig. 6 is lower box;
The birds-eye view that Fig. 7 is lower box;
The front view that Fig. 8 is casing;
The lateral plan that Fig. 9 is casing;
The front elevation that Figure 10 is upper box;
The birds-eye view that Figure 11 is upper box.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Coal mine drilling machine hydraulic wireline winch change-speed box provided by the invention, comprise that both superpose from bottom to top by lower box 2 and upper box 1, and connect and form casing by bolt, spring washer, nut.Be provided with input mechanism 41, output mechanism 40, gear shifting actuating mechanism 39 in casing, casing is provided with gearshift control mechanism 42 outward.Input mechanism with 41 in horsepower input and high speed rotating speed; Output mechanism 40 is for output torque and low rotation speed; Gear shifting actuating mechanism 39 is for changing the transmitting ratio of input mechanism and output mechanism, and gearshift control mechanism 42 is realized automatic gear change function for handling gear shifting actuating mechanism 39.
Casing is provided with cast steel supporting seat 35, and this cast steel supporting seat 35 coordinates with other bracing frames, is mainly used in installing fixedly input mechanism 41 and output mechanism 40.Input mechanism 41 and output mechanism 40 and cast steel supporting seat 35 bearing fits.
As shown in Figure 1, input mechanism 41 comprises the input shaft of herringbone gear shaft and is fixed on input gear a20 and the input gear b21 on input shaft, the helical angle opposite direction of input gear a20 and input gear b21.Input gear a20 and input gear b21 are main drive disk assembly.Input gear a20, input gear b21 are two parts gear above input shaft, because this two parts gear can't separate with input shaft, therefore input gear a20, input gear b21 become as a whole input gear axle with input shaft, its role is to be meshed with two gears above output shaft respectively, rotating speed and moment of torsion are delivered to above output shaft.
The two ends of input shaft are respectively equipped with tapered roller bearing a12 and tapered roller bearing b13.The inside face of tapered roller bearing a12 and tapered roller bearing b13 is fixed on the input shaft two ends, and outside face is fixed on cast steel supporting seat 35; The outer face of described tapered roller bearing a12 and tapered roller bearing b13 is connected with respectively end cap a6 and end cap b7.In the change-speed box working process, input shaft and cast steel supporting seat 35 produce relative motion each other, and tapered roller bearing a12 and tapered roller bearing b13 are used for reducing the friction coefficient in power transmission process and keep the input shaft center to fix.The radical function of tapered roller bearing a12 and tapered roller bearing b13 is to support the input shaft rotation, play supporting role.
As shown in Figure 2, output mechanism 40 comprises with the output shaft of cast steel supporting seat 35 bearing fits and is fixed on two duplex angular contact ball bearings 25 on output shaft.On the periphery of described duplex angular contact ball bearing 25, be fixed with respectively and the output gear a18 of input gear a20 engagement and the output gear b19 meshed with input gear b21.Be fixed with double crosslinking sliding gear 17 between output gear a18 and output gear b19.The endoporus of double crosslinking sliding gear 17 is involute inner spline, matches with involute outer spline on output shaft and forms GB/T3478.1 standard invoice serration pair; Double crosslinking sliding gear 17 be shaped as the straight-tooth double helical gear, normal module 6mm, the number of teeth 35, addendum coefficient 0.5, tip clearance coefficient 0.4,20 ° of tooth profile angles, lowest accuracy class 6 level, each tooth of gear-profile cylindrical both ends of the surface needs rounding and knuckle-tooth, be exactly 5 * 10 ° of left and right of chamfering specifically, the former cambered surface that the chamfering track plane is the R5 left and right; In addition, also be provided with relief groove 43 on the cylindrical of this double crosslinking sliding gear 17 middle part.
An end face of two duplex angular contact ball bearing 25 outer rings respectively with the inner gear end contact of output gear a18 and output gear b19, other end respectively with the end contact of spacer b.The cylindrical of spacer b is realized bearing fit with the endoporus of output gear a18 and output gear b19 respectively, the other end of spacer b contacts with the standard trip ring with the JB/ZQ4343 hole, described trip ring is arranged on the endoporus the inside of non-interior increment in output gear a18 and output gear b19, in groove apart from end face >=10mm, therefore, duplex angular contact ball bearing 25 has been realized axial location.
The outside of output gear a18 and output gear b19 is fixed with respectively self-aligning roller bearing a23 and self-aligning roller bearing b24.When output shaft and the 35 generation relative motion of cast steel supporting seat, self-aligning roller bearing a23 and self-aligning roller bearing b24 can reduce the friction coefficient in power transmission process and keep the fixing of output shaft center, its radical function is to support the output shaft rotation, plays supporting role.
The both sides of self-aligning roller bearing a23 are provided with spacer 16 and gland 15, and the both sides of self-aligning roller bearing b24 are provided with gland 22 and spacer 16.The endoporus of gland 15 and output shaft are interference fit, are used for limiting self-aligning roller bearing a23 and move along the axis of output shaft; Spacer 16 is for separating self-aligning roller bearing a23 and self-aligning roller bearing b24 and duplex angular contact ball bearing 25, and guarantees that its axial distance is constant, plays the axial location effect; Gland 22 connects the inner ring that compresses self-aligning roller bearing b24 with the output shaft end face by screw.Therefore, gland 15 and spacer 16 cooperations are fixed on self-aligning roller bearing a23 on output shaft, and it can arbitrarily not slided, and gland 22 and spacer 16 cooperations are fixed on self-aligning roller bearing b24 on output shaft, and it can not slided.Simultaneously, the periphery of gland 15 is respectively equipped with end cap c8, and the periphery of gland 22 is provided with end cap d9.
The inner ring of self-aligning roller bearing a23 compresses with gland 15, the inner ring of self-aligning roller bearing b23 compresses with gland 22, gland 22 has 4 uniform holes to be used for installing the GB/T70.1 standard screws near the cylindrical place, and screw is connected and realizes substrate hold-down function with output shaft non-cylindrical shaft extension end face by gland 22.Cycle surface at two self-aligning roller bearings is separately installed with end cap c8 and end cap d9, end cap c8 and near the place of cylindrical, 6 non-uniform holes are arranged above end cap d9, be used for respectively placing GB/T93 standard spring washer and GB/T5783 bolted end cap c8 and end cap d9.
As shown in Figure 3, gear shifting actuating mechanism 39 comprises shift fork 37, phosphor bronze wire, piston rod 27, fluid cylinder lid 28, hydraulic actuating cylinder 29 and the piston that is provided with the U-shaped socket.The tail end of fork 37 is connected with an end of piston rod 27, and the other end of piston rod 27 stretches in hydraulic actuating cylinder 29 and is connected with piston, and this piston is divided into upper and lower two chambers by hydraulic actuating cylinder 29, and inside upper chamber and lower chambers, spring all is installed; The top of described upper chamber is provided with access point a44, and lower chambers is connected with solid drawn pipe 32 and adaptor union 31, and adaptor union 31 is connected with access point b45.
The U-shaped socket of shift fork 37 inserts in the relief groove 43 at double crosslinking sliding gear 17 cylindricals middle parts, and at shift fork 37 cylindricals and end face built-up welding phosphor bronze wire for solving impact and the wear problem of shift fork 37 and its phase accessory.The other end of shift fork 37 is realized bearing fit by endoporus and piston rod 27, and piston rod 27 has screw thread with the cooperation place outer face of shift fork 37, and on this screw thread, surface cover has the circular nut of the circular nut of GB/T 858 standard codes with stop washer and GB/T 812 standard codes.The effect of hydraulic actuating cylinder 29 and accessory thereof is exactly the two-action single-rod hydraulic cylinder function that realizes flange connection type in fact, its theory structure is identical with common two-action single-rod hydraulic cylinder, it is by realize three effect single-piston-rod hydraulic cylinder functions in piston both sides mounting spring, therefore this hydraulic actuating cylinder has two ends and three working positions of middle total.When piston is positioned at hydraulic actuating cylinder 29 midway location, the piston rod stroke is ± 40mm, and piston guarantees that by action of the spring piston is placed in hydraulic actuating cylinder 29 middle parts when no liquid pressure.Hydraulic actuating cylinder 29 has two place's liquid access points, i.e. access point a44 and access point b45.Hydraulic actuating cylinder gland 30 places that wherein are positioned at hydraulic actuating cylinder 29 ends are access point a44, guide to the access point b45 of hydraulic actuating cylinder 29 belows by being arranged on adaptor union 31 on hydraulic actuating cylinder 29, solid drawn pipe 32 and another one adaptor union 31.Piston rod 27 other ends are inserted in hydraulic actuating cylinder 29 the insides, and piston rod 27 overlaps respectively to outside from the inside of hydraulic actuating cylinder 29 piston, spring and fluid cylinder lid 28, and piston bush, on piston rod 27, is realized bearing fit in hydraulic actuating cylinder 29 the insides and with the endoporus of hydraulic actuating cylinder 29.Fluid cylinder lid 28 is arranged on the end of hydraulic actuating cylinder 29 and connects with hydraulic actuating cylinder 29 use bolts, and fluid cylinder covers 28 endoporus and piston rod 27 is realized bearing fit.One of them spring housing is on piston rod 27 and be arranged on hydraulic actuating cylinder 29 the insides, specifically is arranged between fluid cylinder lid 28 and piston.Another spring also is installed in the other end of hydraulic actuating cylinder 29, and two springs are the rigidity equal altitudes cylindroid helical-coil compression springs such as GB/T 2089 standards.Hydraulic actuating cylinder gland 30 is arranged on the outer upper end of hydraulic actuating cylinder 29, by GB/T 5783 regular bolts, with hydraulic actuating cylinder 29 outer ends, realizes connecting, and the GB/T93 normal type single coil spring lock washer is enclosed within above bolt, between hydraulic actuating cylinder gland 30 and bolt.Oil resistant rubber asbestos sheet adopts the GB/T539 gauge member, according to hydraulic actuating cylinder gland 30 end faces that fit with it, makes shapes, is enclosed within above bolt, is arranged between hydraulic actuating cylinder 29 and hydraulic actuating cylinder gland 30 sealing for liquid.
As shown in Figure 4, gearshift control mechanism 42 is for controlling the mode of operation of gear shifting actuating mechanism 39, it comprises Programmable Logic Controller, electrical control cubicles, side putting type hydraulic power unit and solenoid directional control valve, described solenoid directional control valve has port a, port b, port t and port p, port a is connected with the self acting electromagnetic valve with access point a44, and port b is connected with the self acting electromagnetic valve with access point b45; Described side putting type hydraulic power unit comprises fuel tank, Hydraulic Pump and electrical motor, and port p is connected with fuel tank with port t, and described Programmable Logic Controller is connected with electrical control cubicles, and electrical control cubicles is connected with the self acting electromagnetic valve with electrical motor.
Each parts in gearshift control mechanism 42 all adopt gauge member or general part to utilize pipeline and electric controling line to couple together.The gearshift control mechanism has comprised fluid transmission line, liquid backflow line and electric controling line, and the wiring of three-line is characterised in that the principle of taking liquid, electric line to separate.The inside of electrical control cubicles is placed with electric controling element, by Programmable Logic Controller, by the inner electric controling element of placing of electrical control cubicles, controls solenoid directional control valve, by pass valve, direct-acting electromagnetic valve and electrical motor.The wet type closed type two position, three-way electromagnetic change valve that solenoid directional control valve is two electromagnet of WE type, two control positioies of solenoid directional control valve port a and port b make its piston be positioned at upper end and the Liang Ge position, bottom of hydraulic actuating cylinder 29 for the hydraulic actuating cylinder 29 of controlling gear shifting actuating mechanism 39.When electromagnet a switches on, port a opens, and hydraulic oil enters from the access point a44 of hydraulic actuating cylinder 29 lowest positions that the promotion piston moves to hydraulic actuating cylinder 29, and now coal mine drilling machine hydraulic wireline winch change-speed box can be operated in the high speed gear.When electromagnet b switches on, port b opens, and liquid enters and promotes piston and move to hydraulic actuating cylinder position topmost from the access point b45 of hydraulic actuating cylinder 29, and now coal mine drilling machine hydraulic wireline winch change-speed box can be operated in the low speed gear.By pass valve for keep hydraulic system pressure constant, guarantee hydraulic efficiency pressure system safety and make the hydraulic efficiency pressure system off-load, save energy.Direct-acting electromagnetic valve is normal-closed electromagnetic valve, when the electromagnet a of solenoid directional control valve and the equal no power of electromagnet b, the direct-acting electromagnetic valve energising, valve open, hydraulic actuating cylinder 29 is realized off-load, and the spring of hydraulic actuating cylinder 29 inside makes piston move to the medium position of hydraulic actuating cylinder 29, and now coal mine drilling machine hydraulic wireline winch change-speed box can be operated in neutral gear position, be that input shaft has the rotating speed input, and output shaft can't be realized the output of rotating speed and moment of torsion.The direct-acting electromagnetic valve outage, valve closing is also realized interlocking with solenoid directional control valve.Electrical motor is for driving coal mine drilling machine hydraulic wireline winch change-speed box, with Programmable Logic Controller realize rotating speed, sequentially, time and logic control.In addition, also be provided with an electrical motor in the side putting type hydraulic power unit, this electrical motor is used for driving Hydraulic Pump, also by Programmable Logic Controller, realizes logic control.
Therefore, from said structure, can learn working process and the principle of work of gearshift control mechanism 42.
When starting drives the electrical motor of hydraulic wireline winch, hydraulic actuating cylinder 29 is in neutral position, and output mechanism 40 is not made action.After stopping this electrical motor, restart two electrical motors in system after delay time t.The hydraulic oil oil sump tank of solenoid directional control valve off-load port t, carry out the high speed gear gear shift operation.When electromagnet b switches on, the port b of solenoid directional control valve opens, port a and port t close, one of them direct-acting electromagnetic valve dead electricity is closed, another direct-acting electromagnetic valve obtains electric opening, the hydraulic oil of hydraulic actuating cylinder 29 upper ends is got back to fuel tank by the direct-acting electromagnetic valve of energising, hydraulic oil in this externally mounted fuel tank is by being pumped from fuel tank by Hydraulic Pump, enter by by pass valve that hydraulic actuating cylinder 29 promotes pistons to top or move upper end, the top of the hydraulic actuating cylinder 29 of mentioning in literary composition refers to: an end of piston is connected with piston rod 27, this end is lower end or low side, an end that is not connected with piston rod 27 is top or upper end.Be connected with port b the effect that by pass valve plays pressurize and off-load with port a, stir double crosslinking sliding gear 17 by piston rod 27 promotion shift forks 37 and realize gear shift operation.After driving the electrical motor delay time t of hydraulic wireline winch, can self-starting motor by change-speed box in high speed gear work; Stop again the electrical motor of winch, after delay time t, restart electrical motor, can carry out the low gear gear shift operation.
When electromagnet a switches on, the port a of solenoid directional control valve opens, port b and port t close, the direct-acting electromagnetic valve be connected with access point b45 obtains electric opening, the direct-acting electromagnetic valve dead electricity be connected with port a is closed, and the hydraulic oil in hydraulic actuating cylinder 29 is got back to fuel tank by the direct-acting electromagnetic valve be connected with access point b45.Hydraulic oil in this externally mounted fuel tank, by being pumped from fuel tank by Hydraulic Pump, enters hydraulic actuating cylinder 29 promotion pistons by by pass valve and moves to middle-end, and the by pass valve that after this should be connected with access point a45 plays the effect of pressurize and off-load.Then promote shift fork 37 by piston rod 27 and stir double crosslinking sliding gear 17 realization gearshift low gears, the electrical motor delay time t of hydraulic wireline winch can be in high speed gear work to rear starting change-speed box; Stop again electrical motor, restart electrical motor after delay time t, electromagnet a, the b outage of solenoid directional control valve, port a and port b close, port t opens, Hydraulic Pump is realized off-load, hydraulic oil is got back to fuel tank by solenoid directional control valve, the direct-acting electromagnetic valve now be connected with access point b45 with access point a44 obtains electric opening, spring promotion piston rod 27 drive shift forks 37 in hydraulic actuating cylinder 29 are stirred double crosslinking sliding gear 17 and are got back to neutral position, the electrical motor delay time t of hydraulic wireline winch is to this electrical motor of rear starting, change-speed box can be in neutral work, now the output shaft no-output.
As shown in Figure 8 and Figure 9, casing comprises upper box 1 and lower box 2, and both both sides are equipped with cast steel supporting seat 35, and cast steel supporting seat 35 middle parts along the circumferential direction arrange supporting seat boring 36.Supporting seat boring 36 is extended along cast steel supporting seat 35 axial directions, is provided with fixing support rack between cast steel supporting seat 35 and upper box 1 bottom and lower box 2 bottoms, for casing is reinforced.The junction of upper box 1 and lower box 2 is provided with taper pin 4 and straight pin 5.
As shown in Figure 6 and Figure 7, the midway location of lower box 2 sides is provided with liquid level liquid thermometer, electric heater and temperature sensor, side is provided with plug screw near the bottom midway location, the side of lower box 2 and upper box 1 is provided with whole hanger 38 near top two side positions, and this integral body hanger 38 is for installing and hanging device.The upper surface of upper box 1 has a rectangular opening, and 10 tapped bore are arranged around this hole.The length of casing is not more than 1205mm, and width is not more than 610mm, highly is not more than 835mm; And keeping parallelism between the flask joint between lower box 2 and upper box 1 and horizontal surface.Flask joint midway location between lower box 2 and upper box 1 is equipped with two GB/Ts parallel with flask joint, 120 standard round pins 5; Lower box 2 with two GB/Ts vertical with flask joint, 117 standard round taper pins 4 are installed on upper box 1 diagonal angle.The effect of straight pin 5 and circle distribution 4 is, while guaranteeing each dismounting casing, still can keep the hole of cast steel supporting seat 35 to manufacture the precision that adds man-hour, before the hole of fine limit work cast steel supporting seat 35, on the connecting flange of upper box 1 and lower box 2, equipped standard round pin 5 guarantees the location on horizontal surface.Two taper pins 4 that the present invention adopts, be placed on upper box 1 and lower box 2 vertical both sides connecting flanges and guarantee the location on vertical guide, with upper box 1, lower box 2, is arranged symmetrically.Therefore, straight pin 5 and taper pin 4 are mainly used to guarantee can repeat quick and precisely to locate and prevent upper box 1, lower box 2 position misloadings after upper box 1, lower box 2 dismounting.
As shown in Figure 10 and Figure 11, upper box 1 is installed input mechanism 41 and output mechanism 40; Be welded with poly-oil box directly over cast steel supporting seat 35, gear by output mechanism 40 when poly-oil box is used for collecting change-speed box work rotates the lubricating oil splash from Chi Youzhong, on the fixing support rack radially of three, the top of upper box 1, fixing support rack in the middle of selecting is towards horizontal direction and vertical direction boring, this hole is supporting seat boring 36, thereby realize the cooling and lubrication of this bearing for being communicated with the poly-oil box bearing top with being arranged on cast steel supporting seat 35, the outer end of hole face of horizontal direction finally is coated with happy safe glue sealing by GB/T 73 standard screws.Lower box 2 and upper box 1 can adopt pearlite type ductile cast iron material QT450-10-GB/T1348 to cast and form by essence as required, and therefore, this essence casting casing can be without the assembly welding technique process.
Further, in input mechanism 41, be provided with gland 10 between end cap b7 and input shaft, be provided with the Double-lip framework oil sealing 14 with gland 10 bearing fits in the cavity of gland 10 and end cap b7.Gland 10 is used for limiting tapered roller bearing b13 and moves along input shaft axis.The cylindrical of gland 10 is the gland driving surface, and the above is equipped with Double-lip framework oil sealing 14, is used for preventing that silt, dust, aqueous vapor etc. are in outer intrusion bearing of input shaft, and the lubricating oil in the restriction bearing of input shaft spills.The cylindrical of gland 10 and Double-lip framework oil sealing 14 are bearing fit, because the special processing technique of gland driving surface makes, have obtained prolongation the service life of Double-lip framework oil sealing 14.Be equipped with oil seal washer 11 between tapered roller bearing a12 and input gear a20 and between tapered roller bearing b13 and input gear b21, the deep fat that is used for stoping the helical wheel engagement to extrude is injected bearing heats up bearing.
Further, in output mechanism 40, an end of output shaft is provided with key 26, is mainly used in connecting output shaft and working machine flange, plays transmitting torque and vector motion.Be provided with Double-lip framework oil sealing 14 between gland 10 on output shaft and end cap c8, identical with the effect of Double-lip framework oil sealing in input mechanism 41, be used for preventing that silt, dust, aqueous vapor etc. are in outer intrusion output shaft bearing, and the lubricating oil in the restriction output shaft bearing spills.
In change-speed box, also be provided with the aerator 3 be connected with casing.As shown in Figure 5, aerator 3 comprises that the air filter 33 of two aerator seats and two C-M types forms, 3 height >=250mm of aerator, latus rectum >=100mm.C-M type air filter 33 is arranged on the aerator seat, by outside thread, with the internal thread hole on the aerator seat, coordinates; Each aerator seat is realized connecting with the internal thread hole above the hand hole cover that is arranged on upper box 1 top by four GB/T 70.1 standard screws respectively.
Be installed on electrolyte level and the fluid temperature of liquid level liquid thermometer for showing change-speed box inside on lower box 2, plug screw is for sealing or emit the lubricating oil in change-speed box up for safekeeping.Because various mineral lubricating oils have different minimum cranking temperatures, when cranking temperature that ambient temperature allows lower than selected mineral oil, change-speed box prestart use electric heater to change-speed box in lubricating oil be heated to the cranking temperature that this mineral lubricating oil allows.Temperature sensor for detection of with the warning oil temperature of report in change-speed box, aerator 3 is for realizing the connection of change-speed box internal temperature and air pressure, the oil gas that varying degree ground elimination is simultaneously discharged and the moisture dust of suction.Hand hole cover on upper box 1, is pulled down hand hole cover the situation that can observe change-speed box inside by Bolt Connection, also is used for connecting upper box 1 and aerator 3 simultaneously.
Claims (9)
1. coal mine drilling machine hydraulic wireline winch change-speed box, comprise the input mechanism, output mechanism and the gear shifting actuating mechanism that are arranged on box house, it is characterized in that: also comprise the gearshift control mechanism that is arranged on the casing outside;
Described casing is provided with the cast steel supporting seat;
Described input mechanism comprises input shaft and is fixed on input gear a and the input gear b on input shaft, the two ends of described input shaft are respectively equipped with tapered roller bearing a and tapered roller bearing b, the inside face of tapered roller bearing a and tapered roller bearing b is fixed on the input shaft two ends, and outside face is fixed on the cast steel supporting seat; The outer face of described tapered roller bearing a and tapered roller bearing b is connected with respectively end cap a and end cap b;
Described output mechanism comprises output shaft and is fixed on two duplex angular contact ball bearings on output shaft, be fixed with respectively on the periphery of described duplex angular contact ball bearing and the output gear a of input gear a engagement and the output gear b meshed with input gear b, between output gear a and output gear b, be fixed with double crosslinking sliding gear; This double crosslinking sliding gear is provided with relief groove; The outside of described output gear a and output gear b is fixed with respectively self-aligning roller bearing a and self-aligning roller bearing b, the both sides of self-aligning roller bearing a are provided with gland and spacer, the both sides of self-aligning roller bearing b are provided with gland and spacer, the periphery of this gland is provided with end cap c, and the outside of gland is provided with end cap d;
Described gear shifting actuating mechanism comprises hydraulic actuating cylinder and is provided with the fork of U-shaped socket, the tail end of fork is connected with an end of piston rod, the other end of piston rod stretches in hydraulic actuating cylinder and is connected with piston, and this piston is divided into upper and lower two chambers by hydraulic actuating cylinder, and inside upper chamber and lower chambers, spring all is installed; The top of described upper chamber is provided with access point a, and lower chambers is connected with solid drawn pipe and adaptor union, and adaptor union is connected with access point b;
Described gearshift control mechanism comprises Programmable Logic Controller, electrical control cubicles, side putting type hydraulic power unit and solenoid directional control valve, described solenoid directional control valve has port a, port b, port t and port p, port a is connected with the self acting electromagnetic valve with access point a, and port b is connected with the self acting electromagnetic valve with access point b; Described side putting type hydraulic power unit comprises fuel tank, Hydraulic Pump and electrical motor, and port p is connected with fuel tank with port t, and described Programmable Logic Controller is connected with electrical control cubicles, and electrical control cubicles is connected with the self acting electromagnetic valve with electrical motor.
2. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, it is characterized in that: described casing comprises upper box and lower box, between cast steel supporting seat and upper box bottom and lower box bottom, is provided with fixing support rack; The junction of described upper box and lower box is provided with taper pin and straight pin.
3. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, it is characterized in that: in described input mechanism, be provided with gland between end cap b and input shaft, be provided with the Double-lip framework oil sealing with the gland bearing fit in the cavity of gland and end cap b, between described tapered roller bearing a and input gear a and between tapered roller bearing b and input gear b, be equipped with oil seal washer.
4. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, it is characterized in that: in described output mechanism, an end of output shaft is provided with key, between the gland on output shaft and end cap c, is provided with the Double-lip framework oil sealing.
5. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, is characterized in that: in described gear shifting actuating mechanism, on the end face of the U-shaped socket of fork and periphery, be welded with phosphor bronze wire.
6. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, is characterized in that: in described gearshift control mechanism, with port a, with on the pipeline be connected with port b, be equipped with by pass valve.
7. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, is characterized in that: also comprise the liquid level liquid thermometer be arranged on casing.
8. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, is characterized in that: also comprise the temperature sensor and the electric heater that are arranged on box house.
9. coal mine drilling machine hydraulic wireline winch change-speed box as claimed in claim 1, is characterized in that: also comprise the aerator be connected with casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401889.XA CN103496645A (en) | 2013-09-06 | 2013-09-06 | Speed changer for coal mine drilling rig hydraulic winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310401889.XA CN103496645A (en) | 2013-09-06 | 2013-09-06 | Speed changer for coal mine drilling rig hydraulic winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103496645A true CN103496645A (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310401889.XA Pending CN103496645A (en) | 2013-09-06 | 2013-09-06 | Speed changer for coal mine drilling rig hydraulic winch |
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| Country | Link |
|---|---|
| CN (1) | CN103496645A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105507806A (en) * | 2016-01-28 | 2016-04-20 | 宾奇荣 | Power head of small rotary drilling machine |
| CN107282562A (en) * | 2017-08-12 | 2017-10-24 | 南通国盛精密机械有限公司 | A kind of oil tank cleaning moveable platform |
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| CN202946658U (en) * | 2012-10-31 | 2013-05-22 | 武汉理工通宇新源动力有限公司 | Automatic speed changer hydraulic shifting actuator |
| CN203513149U (en) * | 2013-09-06 | 2014-04-02 | 资阳南车传动有限公司 | Transmission of coal mine drilling rig hydraulic winch |
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| CN201232557Y (en) * | 2008-02-01 | 2009-05-06 | 陈礼端 | Double mobile column hydraulic prop |
| CN201495059U (en) * | 2009-08-20 | 2010-06-02 | 资阳南车传动有限公司 | Reduction gearbox for petroleum drilling rig winch |
| CN102588564A (en) * | 2011-12-02 | 2012-07-18 | 资阳南车传动有限公司 | Manual-shift speed reducer of crowned-gear clutch for large-size petroleum drilling machines |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107282562A (en) * | 2017-08-12 | 2017-10-24 | 南通国盛精密机械有限公司 | A kind of oil tank cleaning moveable platform |
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Application publication date: 20140108 |