CN202207884U

CN202207884U - Hydraulic dismounting machine used for dismounting and installing automobile transmission shaft and cross axle

Info

Publication number: CN202207884U
Application number: CN2011202761691U
Authority: CN
Inventors: 吴险峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-08-01
Filing date: 2011-08-01
Publication date: 2012-05-02
Anticipated expiration: 2021-08-01

Abstract

The utility model provides a hydraulic dismounting machine used for dismounting and installing an automobile transmission shaft and a cross axle, and relates to a dismounting hydraulic tool, which aims at solving problems of the prior art. A base is disposed on an upper end surface of a bottom plate, the upper end surface of the base is provided with through grooves in the front and back direction, the central line of a hydraulic cylinder hole and the central line of a bearing ejection sleeve hole are on the same axis, one end of a first bearing ejection rod is disposed in the ejection sleeve hole, the bearing ejection sleeve is disposed in the bearing ejection sleeve hole, a second bearing ejection rod is disposed in the bearing ejection sleeve, a positioning base is installed in a positioning hole, the upper end surface of a vertical piston on a vertical hydraulic cylinder is provided with a supporting seat hole, the lower end of a vertical ejection rod is disposed in the supporting seat hole, a supporting plate is disposed on the upper end surface of the vertical ejection rod, a pump station is disposed on the bottom plate, a horizontal hydraulic cylinder and the vertical hydraulic cylinder are connected with the pump station respectively via an oil pipe, and a horizontal foot switch and a vertical foot switch are connected with a control valve on the pump station respectively via a lead. The hydraulic dismounting machine is used for dismounting and installing bearings on an automobile transmission shaft and a cross axle.

Description

Be used to dismantle and install the hydraulic disassembling and assembling machine of truck drive shaft and cross axle

Technical field

The utility model relates to a kind of all kinds of cross axle dismounting dedicated hydraulic instruments that are connected with truck drive shaft that are used for.

Background technology

The concrete effect of cardan (hookes)universal joint on automobile is that the moment of torsion that engine is exported passes to propons and back axle, the final driven wheel rotation; Because stressed big, the duration of runs is long, therefore damage of bearings occurs through regular meeting, phenomenons such as cross axle fracture need be dismantled it when the maintenance cross axle.

At present; Domestic dismounting and the method that cross axle adopts is installed mainly contains: one, dismantling on the forcing press and assembling: (1), method for dismounting: at first four spacing jump rings on the cross axle are dismantled, the junction of cross axle and power transmission shaft is installed on the workbench of forcing press, the below is steady with certain thickness iron plate plain cushion with holes; After the iron staff that is slightly less than bearing outside diameter with diameter aligns bearing; Start forcing press, slowly iron staff is depressed, the bearing outside up to top and bottom is ejected from the mount pad hole; This moment, the bearing of lower end was disassembled, and utilized said method with remaining bearing removal.(2), assembly method: order is opposite with method for dismounting.Adopting the forcing press dismounting and the problem that exists is installed has: because forcing press is not exclusively used in the dismounting cross axle, the hydraulic cylinder lower end on the forcing press generally all is equipped with the workbench of band T type groove, stops people's sight line and hand during operation; When whether the observation bearing aligns installing hole, very inconvenience, need bow leans over watches; Raise the head during pressure again, iron staff with handgrip, this moment, staff had some deflections will depart from original position a little; The people is imperceptible to be can't see; Just to cause bearing mount pad hole to be knocked by bearing bad if hydraulic cylinder presses down, and unclamps that hydraulic cylinder is untimely also can to cause power transmission shaft installing hole major injury, even scrap; In addition, the hydraulic press size is big, Heavy Weight, generally all be fixed installation, can not move, and install and use at the scene of being not suitable for.Two, hand disassembly and assembling: (1), method for dismounting: at first four spacing jump rings on the cross axle are dismantled; After aligning the cross axle upper bearing (metal) with diameter less than the iron staff of bearing outside diameter; Pound iron staff with hand hammer or sledgehammer, the bearing outside up to top and bottom is ejected from the mount pad hole.(2), assembly method: order is opposite with method for dismounting.Hand disassembly has with the problem that existence is installed: two people or three people dismounting, use hand hammer or sledgehammer, and fly out easily when training off and hurt sb.'s feelings; Also often smash power transmission shaft needle bearing seat and bearing, even cause the power transmission shaft major injury, even scrap; Take-down time is long; Waste time and energy, labour intensity is big, and is dangerous.

The utility model content

The purpose of the utility model is to adopt forcing press dismounting and installation cross axle can cause the damage of power transmission shaft installing hole for solving, and hydraulic press is fixed, and is not suitable for field stripping and installation; And hand disassembly and installation cross axle need two people or three people dismounting, use hand hammer or sledgehammer can cause the power transmission shaft major injury, the take-down time is long; Waste time and energy; Labour intensity is big, and unsafe problem provides a kind of hydraulic disassembling and assembling machine that is used to dismantle and install truck drive shaft and cross axle.

The utility model comprises base plate, pedestal, horizontal hydraulic cylinder, clutch shaft bearing push rod, bearing top cover, the second bearing push rod, positioning seat, vertical hydraulic cylinder, vertical push rod, supporting plate, horizontal floor push and vertical floor push, and pedestal is arranged on an end of base plate upper surface, and the upper surface of pedestal is provided with groove along fore-and-aft direction; Be respectively equipped with cylinder port and bearing top trepanning on the pedestal sidewall of groove both sides; The center line of the center line of cylinder port and bearing top trepanning is on same axis, and horizontal hydraulic cylinder is arranged in the cylinder port, and the horizontal piston front end face on the horizontal hydraulic cylinder is provided with the top trepanning; One end of clutch shaft bearing push rod is arranged in the trepanning of top; The bearing top is set in the trepanning of bearing top, and the second bearing push rod is arranged in the cover of bearing top, and the bottom face of groove is provided with locating hole; Positioning seat is installed in the locating hole; The vertical hydraulic cylinder is vertically set on the upper surface of base plate, and the vertical piston upper surface on the vertical hydraulic cylinder is provided with the supporting seat hole, and the lower end of vertical push rod is arranged in the supporting seat hole; Supporting plate is arranged on the upper surface of vertical push rod; Pumping plant is arranged on the base plate, and horizontal hydraulic cylinder is connected with pumping plant through oil pipe respectively with the vertical hydraulic cylinder, and horizontal floor push and vertical floor push are connected with control valve on the pumping plant through lead respectively.

The utility model has the advantages that: one, because the utility model has designed horizontal hydraulic cylinder and vertical hydraulic cylinder; And power transmission shaft on the different automobiles and cross axle are dismantled and installed through hydraulic principle; Solved that dismounting of existing method and installation cause that big, the many people's operation of labour intensity, efficient are low, power transmission shaft and cross axle is fragile, hydraulic press moves inconvenience, the take-down time is long; Waste time and energy; The problem that labour intensity is big is utilized the utility model that power transmission shaft and cross axle are not dismantled and installed and can be damaged the power transmission shaft installing hole.Two, simple in structure, little in light weight, the processing ease of volume of the utility model is fit to on-the-spot the use.Three, the power transmission shaft and the cross axle of all models can dismantled and assemble to the utility model, and a tractor serves several purposes not only is fit to integrated mill's assembling power transmission shaft and cross axle, also is fit to kart repair shop and uses.Four, because the utility model is an automatic capturing, can not destroy parts when dismounting and installation, there is not potential safety hazard.

Description of drawings

Fig. 1 is the overall structure front view of the utility model, and Fig. 2 is the vertical view of Fig. 1, and Fig. 3 is the B-B cutaway view of Fig. 2, and Fig. 4 is the A-A cutaway view of Fig. 2.

The specific embodiment

The specific embodiment one: combine Fig. 1～Fig. 4 that this embodiment is described; This embodiment comprises base plate 1, pedestal 2, horizontal hydraulic cylinder 3, clutch shaft bearing push rod 4, bearing top cover 5, the second bearing push rod 6, positioning seat 7, vertical hydraulic cylinder 8, vertical push rod 9, supporting plate 10, horizontal floor push 11 and vertical floor push 12; Pedestal 2 is arranged on an end of base plate 1 upper surface, and the upper surface of pedestal 2 is provided with groove 2-1 along fore-and-aft direction, is respectively equipped with cylinder port 2-2 and bearing top trepanning 2-3 on pedestal 2 sidewalls of groove 2-1 both sides; The center line of the center line of cylinder port 2-2 and bearing top trepanning 2-3 is on same axis; Horizontal hydraulic cylinder 3 is arranged among the cylinder port 2-2, and the horizontal piston 3-1 front end face on the horizontal hydraulic cylinder 3 is provided with top trepanning 3-1-1, and an end of clutch shaft bearing push rod 4 is arranged among the trepanning 3-1-1 of top; Bearing top cover 5 is arranged among the trepanning 2-3 of bearing top; The second bearing push rod 6 is arranged in the bearing top cover 5, and the bottom face of groove 2-1 is provided with locating hole 2-4, and positioning seat 7 is installed among the locating hole 2-4; Vertical hydraulic cylinder 8 is vertically set on the upper surface of base plate 1; Vertical piston 8-1 upper surface on the vertical hydraulic cylinder 8 is provided with supporting seat hole 8-1-1, and the lower end of vertical push rod 9 is arranged among the 8-1-1 of supporting seat hole, and supporting plate 10 is arranged on the upper surface of vertical push rod 9; Pumping plant 13 is arranged on the base plate 1; Horizontal hydraulic cylinder 3 is connected with pumping plant 13 through oil pipe respectively with vertical hydraulic cylinder 8, and horizontal floor push 11 and vertical floor push 12 are connected with control valve on the pumping plant 13 through lead respectively, and horizontal floor push 11 is controlled cross cylinder 3 and vertical oil cylinder 8 respectively with vertical floor push 12.Can be according to clutch shaft bearing push rod 4, bearing top cover 5, the second bearing push rod 6 and the positioning seat 7 of the vehicular transmission shaft Design and Machining different size of dissimilar and model; When dismounting and installation power transmission shaft and cross axle, select supporting with it clutch shaft bearing push rod 4, bearing top cover 5, the second bearing push rod 6 and positioning seat 7 for use according to the power transmission shaft model.

The specific embodiment two: combine Fig. 2 that this embodiment is described; This embodiment and the specific embodiment one are different is that it also increases V-block 14 is arranged; V-block 14 is arranged on the upper surface of supporting plate 10; Be specially: the upper surface of supporting plate 10 is provided with groove 10-1, and V-block 14 is arranged in the groove 10-1.V-block 14 is used to control the position of power transmission shaft 18, guarantees that its axis is vertical with the horizontal hydraulic cylinder axial line.Power transmission shaft 18 places on the V-block 14, prevents that power transmission shaft 18 from rolling at supporting plate 10, can take out V-block 14 behind the centering in groove 10-1.Other composition is identical with the specific embodiment one with annexation.

The specific embodiment three: combine Fig. 4 that this embodiment is described; This embodiment and the specific embodiment one are different is that it also increases by two guide pin bushings 15 and two guide pillars 16 are arranged; Two guide pin bushings 15 all be fixed on supporting plate 10 below; And two guide pin bushings 15 are symmetrical set with vertical hydraulic cylinder 8, a guide pillar 16 is housed in each guide pin bushing 15, and the lower surface of each guide pillar 16 are fixed on the base plate 1.Supporting plate 10 is with 8 oscilaltions of vertical hydraulic cylinder the time, and guide pin bushing 15 moves up and down along guide pillar 16, prevents that supporting plate 10 from tilting.Other composition is identical with the specific embodiment one with annexation.

The operation principle of the utility model:

One, the bearing on the dismounting cross axle: earlier the jump ring on each little axle on the cross axle 17 is pulled down;

(1), the bearing on the dismounting cross axle on one of them little axle: cross axle 17 is placed in the groove 2-1, and power transmission shaft 18 places on the supporting plate 10, and with the vertical needle bearing seat 20 aligned seats 7 that are positioned at the below on the cross axle 17; Step on down the height that vertical leg is stepped on switch 12 adjustment supporting plates 10, power transmission shaft 18 is horizontal, at this moment; Two of level needle bearing seats 20 have aligned clutch shaft bearing push rod 4 and bearing top cover 5 automatically on the cross axle 17; Horizontal hydraulic cylinder 3 need not centering, steps on down horizontal floor push 11, and the horizontal piston 3-1 on the horizontal hydraulic cylinder 3 moves ahead the needle bearing in left side 19 is headed in the inner chamber of bearing top cover 5; Take off cross axle 17 and power transmission shaft 18; With the second bearing push rod 6 bearing that presses down is ejected from the inner chamber of bearing top cover 5, so far, the needle bearing on this little axle is removed.

(2), the bearing on other three little axles on the method dismounting cross axle with aforementioned (1).

Two, the bearing on the installation cross axle:

(1), bearing on two relatively little axles is installed earlier on the cross axle wherein: the little axle on the cross axle in left side is gone up bearing jump ring of suit; Cross axle 17 is placed in the groove 2-1; Power transmission shaft 18 is placed on the supporting plate 10; Needle bearing 19 1 ends on two relatively little axles towards the bearing top cover 5, the other end place a needle bearing seat 20 towards clutch shaft bearing push rod 4 with between the needle bearing 19 in left side and the bearing top cover 5, with needle bearing seat 20 of placement between the needle bearing 19 on right side and the clutch shaft bearing push rod 4; The needle bearing seat 20 that is positioned at the below on the cross axle 17 is placed on the positioning seat 7 and aims at the needle bearing 19 of cross axle 17 belows; Step on down the height that vertical leg is stepped on switch 12 adjustment supporting plates 10, power transmission shaft 18 is horizontal, step on down horizontal floor push 11; The needle bearing 19 that horizontal piston 3-1 on the horizontal hydraulic cylinder 3 moves ahead the left side heads in the needle bearing seat 20; After the end face of needle bearing 19 is pushed up the bearing jump ring, stop, so far, the bearing on this little axle installs; And then step on down horizontal floor push 11 the horizontal piston 3-1 on the horizontal hydraulic cylinder 3 is retreated; The needle bearing 19 usefulness hands on right side are aligned right side needle bearing seat 20 levels to be put well; Stepping on down floor push 11 moves ahead the horizontal piston 3-1 on the horizontal hydraulic cylinder 3; Be with clutch shaft bearing push rod 4 that needle bearing 19 is headed in the needle bearing seat 20, slowly push up to the jump ring groove expose can set up jump ring till, set up jump ring then.

(2), the bearing on two other relatively little axle on the cross axle is installed: rotation cross axle 17, its axial line around power transmission shaft 18 is revolved turn 90 degrees, make two vertical little axles place level, with two other relative bearing of method installation of (1) in aforementioned two.

Claims

1. hydraulic disassembling and assembling machine that is used to dismantle and install truck drive shaft and cross axle; It is characterized in that: said changer comprise base plate (1), pedestal (2), horizontal hydraulic cylinder (3), clutch shaft bearing push rod (4), bearing top cover (5), the second bearing push rod (6), positioning seat (7), vertical hydraulic cylinder (8, vertical push rod (9), supporting plate (10), horizontal floor push (11), vertical floor push (12) and pumping plant (13); Pedestal (2) is arranged on an end of base plate (1) upper surface; The upper surface of pedestal (2) is provided with groove (2-1) along fore-and-aft direction; Be respectively equipped with cylinder port (2-2) and bearing top trepanning (2-3) on pedestal (2) sidewall of groove (2-1) both sides; The center line of the center line of cylinder port (2-2) and bearing top trepanning (2-3) is on same axis, and horizontal hydraulic cylinder (3) is arranged in the cylinder port (2-2), and horizontal piston (3-1) front end face on the horizontal hydraulic cylinder (3) is provided with top trepanning (3-1-1); One end of clutch shaft bearing push rod (4) is arranged in the top trepanning (3-1-1); Bearing top cover (5) is arranged in the bearing top trepanning (2-3), and the second bearing push rod (6) is arranged in the bearing top cover (5), and the bottom face of groove (2-1) is provided with locating hole (2-4); Positioning seat (7) is installed in the locating hole (2-4); Vertical hydraulic cylinder (8) is vertically set on the upper surface of base plate (1), and vertical piston (8-1) upper surface on the vertical hydraulic cylinder (8) is provided with supporting seat hole (8-1-1), and the lower end of vertical push rod (9) is arranged in the supporting seat hole (8-1-1); Supporting plate (10) is arranged on the upper surface of vertical push rod (9); Pumping plant (13) is arranged on the base plate (1), and horizontal hydraulic cylinder (3) is connected with pumping plant (13) through oil pipe respectively with vertical hydraulic cylinder (8), and horizontal floor push (11) and vertical floor push (12) are connected with control valve on the pumping plant (13) through lead respectively.

2. according to the said hydraulic disassembling and assembling machine that is used to dismantle and install truck drive shaft and cross axle of claim 1, it is characterized in that: said changer also comprises V-block (14), and V-block (14) is arranged on the upper surface of supporting plate (10).

3. according to claim 1 or the 2 said hydraulic disassembling and assembling machines that are used to dismantle and install truck drive shaft and cross axle; It is characterized in that: said changer also comprises two guide pin bushings (15) and two guide pillars (16); Two guide pin bushings (15) all be fixed on supporting plate (10) below; And two guide pin bushings (15) are symmetrical set with vertical hydraulic cylinder (8), a guide pillar (16) is housed in each guide pin bushing (15), and the lower surface of each guide pillar (16) are fixed on the base plate (1).