Summary of the invention
The purpose of this invention is to provide a kind of vertical bearing demountor, solve existing this type of demountor complicated operation, effort, production efficiency is low, inconvenient problem with use.
Technical scheme of the present invention is: it comprises by axle and is set on the head of tearing open that the outer expansion tube of axle forms, wherein have breach on the expanding end tube wall of expansion tube, and this breach evenly distributes along the gyratory directions of expansion tube, the expanding end of expansion tube and the tail end of axle have respectively be complementary in, the male-tapered face, its architectural feature is: A, described top of tearing head open is provided with cylinder block, this cylinder block has two independently to go up, the lower cylinder chamber, the axis of the piston upper end in the upper cylinder chamber is connected on the frame, the axis of the piston lower end in the lower cylinder chamber links to each other with described axle of tearing head open, on, respectively there are two pores to be connected an end of normally-open normally-close air valve switch respectively by tracheae on the lower cylinder chamber, the other end of normally-open normally-close air valve switch is connected on the source of the gas pipeline, and the upper end of described expansion tube is connected on the shell body of cylinder block; B, described tear open the head the below be provided with baffle plate, baffle plate is provided with the baffle plate square hole, this baffle plate square hole be positioned at described tear open the head under.
Two pores of cylinder block upper cylinder chamber air inlet or give vent to anger under the control of normally-open normally-close air valve switch among the present invention, the i.e. chamber air feed or the exhaust of piston top and the bottom in this cylinder chamber, upper and lower surface at piston produces pressure differential, make the axis of the piston do to descend or ascending motion, because this axis of the piston upper end is connected on the frame, therefore cylinder block integral body is done to descend or ascending motion with respect to frame, and head is whole to descend or rise thereby drive is torn open; The air inlet or give vent to anger under the control of normally-open normally-close air valve switch of two pores of lower cylinder chamber, be the chamber air feed or the exhaust of piston top and the bottom in the downward cylinder chamber, upper and lower surface at piston produces pressure differential, make the axis of the piston do to descend or ascending motion, tear open on the axle because this axis of the piston upper end is connected, tear moving downward or upward of an axle open thereby drive.Cylinder block is whole to descend to making and tears head open and enter in the endoporus of bearing demolition class part, the axis of the piston decline drive in the lower cylinder chamber is torn an axle open and is moved down, under the squeezing action of the inside and outside taper surface that expansion tube expanding end and axle tail end are complementary, the expanding end of expansion tube expands outwardly promptly bearing demolition class part, the axis of the piston in the upper cylinder chamber is risen, driving cylinder block moves on the whole, and, just bearing class part can be disassembled from engine or other machine very like a cork by the barrier force of baffle plate.
Advantage of the present invention is: simple to operate, laborsaving, a people just can independently finish, and the production efficiency height, tears the installation of head open and changes all very convenient.
The specific embodiment
The meaning of each label is among Fig. 1 to Fig. 8: 11 axles, 111 male-tapered faces, 12 expansion tubes, 121 breach, 122 inner conical faces, 123 annular flange, 3 frames, 4 baffle plates, 5 baffle plate square holes, 7 mount pads, 8 cover plates, 9 adapter sleeves, 10 nuts, 13,14,15 and 16 is passage, 17 damping panels, 18 elastic axis, 19 damping springs, 20 wheels, 21 lower piston axles, 22 upper piston axles, upper cylinder chambers 23, lower cylinder chambers 24,25 tracheaes, 26 normally-open normally-close air valve switch.
Implement one:
Referring to Fig. 1 to Fig. 5, tear head among the present invention open by axle 11 and be set on the outer expansion tubes 12 of axle 11 and form, wherein have breach 121 on the expanding end tube wall of expansion tube 12, and this breach 121 evenly distributes along the gyratory directions of expansion tube 12, the tail end of the expanding end of expansion tube 12 and axle 11 have respectively be complementary in, male-tapered face 122,111, described top of tearing head open is provided with cylinder block, this cylinder block has two independently to go up, lower cylinder chamber 23,24, the axis of the piston 22 upper ends in the upper cylinder chamber 23 are connected on the frame 3, the axis of the piston 21 lower ends in the lower cylinder chamber 24 link to each other with described axle 11 of tearing head open, on, lower cylinder chamber 23,24 housing external diameters size is consistent, on, lower cylinder chamber 23, two pores 13 are respectively arranged on 24,15 and 14,16 are connected an end of normally-open normally-close air valve switch 26 respectively by tracheae 25, the other end of normally-open normally-close air valve switch 26 is connected on the source of the gas pipeline, and the upper end of described expansion tube 12 is connected the bottom of cylinder block; B, described tear open the head the below be provided with baffle plate 4, baffle plate 4 is provided with baffle plate square hole 5, this baffle plate square hole 5 be positioned at described tear open the head under.For guaranteeing two pores 13, the 15 above and below air inlet or the exhaust of piston in cylinder chamber 23 all the time on the upper cylinder chamber 23, two pores 13,15 are preferably driveed top and the bottom in cylinder chamber 23 respectively.In like manner, also be the same for two pores 14,16 on the lower cylinder chamber 24.
As shown in Figure 1, the below of baffle plate 4 is provided with the damping workbench.This damping workbench is made up of damping panel 17, elastic axis 18 and damping spring 19, and damping spring 19 is enclosed within on the elastic axis 18 and is in its pre-compressed state, and damping panel 17 is installed on the elastic axis 18 and is pressed in the top of damping spring 19.Baffle plate 4 is by on the side plate that is bolted to frame 3.Wheel 20 is installed on the base plate of frame 3, is convenient to whole demountor and moves.During dismounting, interior dismounting parent part is placed on the damping workbench.
As shown in Figure 3, the inside and outside taper surface 122,111 that the tail end of the expanding end of expansion tube 12 and axle 11 is complementary is up big and down small taper surface, this structure can guarantee that the tube wall of expansion tube expanding end is thick than other position, elastic strength is better, grasp is strong, and can successively axle 11 and expansion tube 12 be installed respectively when being installed on stripping attachment or other instrument, otherwise when changeing, therefore more convenient.The expanding end outer wall of expansion tube 12 radially is provided with annular flange 123, when expansion tube 12 stretches into the endoporus of bearing class part, is contacted by the inner hole wall of annular flange 123 with bearing class part, can guarantee to tear open the promptly reliability of bearing class part of head.
The upper end of Fig. 1 central shaft 11 is threaded with the lower end of the axis of the piston 21 in the lower cylinder chamber 24, and the upper end of expansion tube 12 is threaded on the adapter sleeve 9, and adapter sleeve 9 is connected the bottom of cylinder block by nut 10.When installing or changeing, expansion tube 12 is screwed off adapter sleeve 9, adapter sleeve 9 is screwed off nut 10, just can carry out corresponding installation or change, very convenient.
Implement two:
Referring to Fig. 6, Fig. 7 and Fig. 8, in this example, except that following description, other structure is identical with example 1, and the upper cylinder chamber 23 of cylinder block is bigger than lower cylinder chamber 24, and axle 11 and expansion tube 12 all are T-shape, the upper end of axle 11 is threaded with the lower end of the axis of the piston 21 in the lower cylinder chamber 24, the upper end of expansion tube 12 is stretched in the mount pad 7, and below with cover plate 8 spacing, the upper end of mount pad 7 is connected on the shell body of cylinder block 2.When installing or changeing, only need cover plate 8 taken off from mount pad 7 and get final product, convenient and swift.
Operation principle: the operation principle of the embodiment of the invention 1 and embodiment 2 is identical, as Fig. 1, shown in Figure 6, the engine or other machine that are disassembled are placed on the damping workbench of baffle plate 4 belows, and allow the endoporus of bearing demolition class part aim at the head of tearing open of top, pull pore 13 on the cylinder block upper cylinder chamber 23, the normally-open normally-close air valve switch 26 of 15 correspondences, the source of the gas pipeline is communicated with pore 15 by tracheae 25, gases at high pressure enter lower part of piston chamber the upper cylinder chamber 23 from pore 15, simultaneously, pore 13 is by tracheae 25 outside exhausts, in the upper cylinder chamber 23 piston on, lower surface produces pressure differential, under the promotion of gas, move on the piston in the upper cylinder chamber 23, because this axis of the piston upper end is connected on the frame 3, therefore cylinder block integral body moves down with respect to frame 3, and drive is torn an integral body open and moved down, and tears head open and enters in the endoporus of bearing class part;
Pull pore 14 on the cylinder block lower cylinder chamber 24, the normally-open normally-close air valve switch 26 of 16 correspondences, the source of the gas pipeline is communicated with pore 14 by tracheae 25, the upper chamber that gases at high pressure enter piston the lower cylinder chamber 24 from pore 14, simultaneously, pore 16 is by tracheae 25 outside exhausts, in the lower cylinder chamber 24 piston on, lower surface produces pressure differential, under the promotion of gas, piston moves down in the lower cylinder chamber 24, because this axis of the piston lower end is connected and tears open on the axle 11, thereby drive is torn an axle 11 open and is moved down, expansion tube 12 expanding ends and axle 11 tail ends be complementary in, male-tapered face 122, under 111 the squeezing action, the expanding end of expansion tube 12 expands outwardly promptly bearing demolition class part;
Rightabout is pulled pore 13 on the cylinder block upper cylinder chamber 23, the normally-open normally-close air valve switch 26 of 15 correspondences, the source of the gas pipeline is communicated with pore 13 by tracheae 25, the upper chamber that gases at high pressure enter piston the upper cylinder chamber 23 from pore 13, simultaneously, pore 15 is by tracheae 25 outside exhausts, in the upper cylinder chamber 23 piston on, lower surface produces pressure differential, under the promotion of gas, piston moves down in the upper cylinder chamber 23, because this axis of the piston upper end is connected on the frame 3, therefore cylinder block integral body moves up with respect to frame 3, the engine that drive is disassembled or other machine move upward, when the engine that is disassembled or other machine upwards touched plate washer 4, under the barrier effect of plate washer 4, bearing class part separated from engine or other machine that is disassembled;
Rightabout is pulled pore 14 on the cylinder block lower cylinder chamber 24, the normally-open normally-close air valve switch 26 of 16 correspondences, the source of the gas pipeline is communicated with pore 16 by tracheae 25, gases at high pressure enter lower part of piston chamber the lower cylinder chamber 24 from pore 16, simultaneously, pore 14 is by tracheae 25 outside exhausts, in the lower cylinder chamber 24 piston on, lower surface produces pressure differential, under the promotion of gas, move on the piston in the lower cylinder chamber 24, because this axis of the piston lower end is connected and tears open on the axle 11, thereby drive is torn an axle 11 open and is moved upward, the tail end of tearing an axle 11 open upwards returns to initial bit, the expanding end of expansion tube 12 resets and loses tensile force, and bearing class part drops from tearing head open, has so far just finished whole dismantlement work.
The present invention also can be used for dismantling the revolving parts that is installed in the band endoporus on engine or other machine by tight fit.In addition, also can adopt hydraulic way to come moving up and down of driven plunger axle.