A kind of sling for engine cylinder
Technical field
The present invention relates to driving engine and manufacture field, be specifically related to a kind of sling for engine cylinder with strut bar and support disk.
Background technology
In processing and installation process, often need to be by engine cylinder-body from the handstand state lifting of lying on one's side.When lifting, if directly adopt the suspender engine cylinder-body of slinging to make its upset, in engine cylinder-body switching process, be easy to clash into suspender, therefore the mode adopting is at present first to rely on artificial or positioning machine by workpiece turning 90) workpiece is stood upside down, and then the arm that utilizes suspender blocks the water blocking hole of cylinder body two ends or both sides, or catch on 2 dead slots above crankshaft hole with a suspender, then by work piece hoisting to corresponding station.Adopt said method hand labor intensity large, input cost is high, therefore needs to design a kind of suspender safe and reliable, simple to operation.
Summary of the invention
The object of this invention is to provide a kind of suspender safe and reliable, simple to operation, be specially adapted to the overturning and hoisting of engine cylinder-body.
For achieving the above object, the invention provides following technical scheme:
A kind of sling for engine cylinder, comprising:
Tubular suspender body, has waist hole on its tube wall;
Be fixed on the arm base of described suspender body one end;
Be fixed on the arm driving handle pole on described suspender body outer wall;
The arm connecting with described arm heel pin;
With described suspender body bearing fit, and the arm push rod connecting is sold with the force side of described arm in one end;
Connect the arm driving handle that one end is connected with described arm push rod at the waist hole place of described suspender body with described suspender driving handle arm pin;
Be sleeved on the pull back spring of described arm push rod outside;
Be fixed on described suspender body both sides the strut bar to downward-extension;
Be fixed on the support disk on described strut bar.
Preferably, described sling for engine cylinder also comprises that pin is connected on described suspender body and the hanging block of described arm base opposite end.
Preferably, the center-biased of the relatively described strut bar in the center of circle of described support disk.
Preferably, on described suspender body, lock screw is installed.
Preferably, on described arm, have groove.
Preferably, between described suspender body and described arm push rod, be provided with orienting lug.
Preferably, described strut bar is weldingly fixed on described suspender body both sides indirectly by fixed connecting rod.
Drive arm push rod to slide in suspender body by arm driving handle, thereby the arm promoting on arm base is opened, strut bar and support disk are goed deep into cylinder-bore simultaneously, arm is clamped after the dead slot on the crankshaft hole of engine cylinder-body, under the effect of pull back spring, arm push rod shrinks, thereby makes arm clamp engine cylinder-body, simple to operate.In lifting process, due to support, the directional tagging of strut bar and support disk, make engine cylinder-body can realize smoothly the upset of standing upside down from lying on one's side to, and can not produce and clash into suspender.
Further, on suspender body, pin is connected with hanging block, and hanging block connects chain sling again, and in lifting process, hanging block can be rotated relative to suspender body along with the carrying out of lifting process, is directly connected suspender body to compare with chain sling, makes lifting process more steady.
Further, the center-biased of the relative strut bar in the center of circle of support disk, has avoided the interference of arm and support disk.
Further, the lock screw on suspender body can be locked arm push rod in lifting process, thereby it is loosening to avoid arm to occur.
Further, on arm, have groove, can prevent that engine cylinder-body is landing from arm in lifting process.
Further, the orienting lug between suspender body and arm push rod can keep the direction in arm push rod operational process.
Further, fixed connecting rod is welded on suspender body both sides, then on fixed connecting rod, welds strut bar, not only ensured that strut bar can stretch into cylinder-bore, and intensity is high, easy to process.
Brief description of the drawings
Next in connection with accompanying drawing, specific embodiments of the invention are described in further detail, wherein:
Fig. 1 is the suspender agent structure front view of embodiments of the invention;
Fig. 2 is the suspender front view of embodiments of the invention;
Fig. 3 is the partial enlarged drawing of the B part in Fig. 2;
Fig. 4 is that N in Fig. 2 is to view;
Fig. 5 is the A-A cutaway view of Fig. 2;
Fig. 6 is the use constitution diagram of embodiments of the invention before engine cylinder-body lifting;
Fig. 7 is that M in Fig. 6 is to view;
Fig. 8 is the use constitution diagram of the embodiments of the invention after engine cylinder-body upset.
Mark in upper figure: hanging block 1, chain sling 2, ship and resell on another market 3, suspender body 4, orienting lug 5, driving handle base 6, ship and resell on another market 7, handle 8, ship and resell on another market 9, ship and resell on another market 10, arm 11, arm push rod 12, lock screw 13, set pin 14, pull back spring 15, groove 16, arm driving handle pole 17, fixed connecting rod 18, arm base 19, strut bar 20, support disk 21, cushion block 22, engine cylinder-body 23, waist hole 24, orienting lug lock screw 25, set pin 26.
Detailed description of the invention
With reference to figure 1, the agent structure of suspender (contained structure of supporting construction and INT COMP) comprises suspender body 4, arm base 19, strut bar 20 and support disk 21.Suspender body 4 is tubular, has waist hole 24 on its tube wall.In outer wall one side of suspender body 4, be fixed with arm driving handle pole 17.Arm base 19 is fixed on the lower end of suspender body 4 by modes such as welding, riveted joint, bolt connections, preferred weld, and intensity is high, simple to operate.Two strut bars 20 are fixed on the both sides of suspender body 4 by fixed connecting rod 18, and to downward-extension, arm base 19 are clipped in the middle.In the present embodiment, strut bar 20 is the both sides that are indirectly fixed on suspender body 4 by fixed connecting rod 18, the effect of pipe link 18 is to make to have certain distance between two strut bars 20, strut bar 20 can be stretched in cylinder-bore, those of ordinary skill in the art can imagine easily, strut bar 20 can also directly be fixed on the both sides of suspender body 4 after the bending of top, but be fixedly connected by welding after bar 18 in the both sides of suspender body 4, on fixed connecting rod 18, weld again strut bar 20, intensity is better, processes more convenient.On strut bar 20, be fixed with support disk 21.
With reference to figure 2, one end relative with arm base 19 on suspender body 4, hanging block 13 has realized with the pin of suspender body 4 and having connected by shipping and reselling on another market, and in lifting process, hanging block 1 pin 3 that can rotate rotates, and makes lifting process more steady.Certainly, shown in chain sling 2(Fig. 6) can also be directly connected on suspender body 4.Arm driving handle is made up of driving handle base 6 and handle 8.One end of driving handle base 6 has waist hole, and the other end 7 is realized pin with arm driving handle pole 17 and connected by shipping and reselling on another market.Driving handle base 6 and handle 8 weld togethers.Certainly, driving handle base 6 also can be processed into integral piece with handle 8.On arm base 19, two arms 11 are installed.Arm 11 all has waist hole at 10 places that ship and resell on another market, and arm 11 can rotate to open or close around rotating shaft 9.
With reference to figure 3, shown in engine cylinder-body 23(Fig. 6) landing from arm 11, preferably on arm 11, have groove 16.
With reference to figure 4, it has been shown in further detail the mounting structure of arm 11.Two arm 11 alternative arrangement, and 9 be installed on arm base 19 by shipping and reselling on another market, keep interval by cushion block 22.The force side of arm 11 10 links together by shipping and reselling on another market, and is connected (in view, arm push rod 12 is invisible at N) with arm push rod 12.
With reference to figure 5, it illustrates in greater detail the INT COMP of suspender body 4 and the connection structure of arm push rod 12 and other parts.Arm push rod 12 is positioned at suspender body 4 inside, with suspender body 4 bearing fits, and keeps direction by orienting lug 5.Preferably exist lock screw 13 through suspender body 4, rotational lock screw 13 can be locked arm push rod 12, and then the motion of restriction arm push rod 12, makes push rod 12 in suspender lifting process keep motionless, ensures the safety of lifting.Set pin 26, through waist hole 24 and arm push rod 12, coordinates with the waist hole on driving handle base 6, therefore, while clutching handle 8, driving handle base 6 pin 7 that rotates rotates, and promotes set pin 26 and moves downward in waist hole 24, correspondingly, arm push rod 12 also moves downward.Because the lower end of arm push rod 12 10 connects with the force side pin of arm 11 by shipping and reselling on another market, therefore arm 11 is opened under the promotion of arm push rod 12.In the outside of arm push rod 12, be set with pull back spring 15, pull back spring 15 one end are against on orienting lug 5, and one end is against on the set pin 14 on arm push rod.When arm push rod 12 moves downward, pull back spring 15 is compressed, and in the time of release handle 8, pull back spring 15 makes arm push rod 12 upward movements under the effect of restoring force.In the present embodiment, pull back spring 15 is stage clip, and those of ordinary skill in the art can imagine, pull back spring 15 can be arranged between the upper end and set pin 14 of suspender body 4 with the form of extension spring equally.
In conjunction with Fig. 6 and Fig. 8.In the time that engine cylinder-body 23 is lain on one's side, clutch handle 8, arm 11 is opened, strut bar 20 and support disk 21 are stretched in cylinder-bore, support disk prop up cylinder bore wall or and cylinder wall between there is less gap.Release handle 8, under the effect of pull back spring 15, arm 11 is closed, and clamps the dead slot on the crankshaft hole of engine cylinder-body.Tighten lock screw 13, make arm 11 remain on clamped condition.Pull chain sling 2, under Action of Gravity Field, along with the carrying out of lifting, engine cylinder-body 23 overturns 90 ° gradually.In lifting process, strut bar 20 and support disk 21, to 23 guiding of engine cylinder-body and supporting role, can not collide with suspender engine cylinder-body 23.
With reference to figure 7, for fear of the interference between arm 11 and support disk 21, the center-biased of the relative strut bar 20 of center of circle C1 of support disk 21, for arm 11 provides larger activity space.
Although the present invention is described in conjunction with above embodiment, but the present invention is not limited to above-described embodiment, and be only subject to the restriction of claim, those of ordinary skill in the art can easily carry out equivalence to the present embodiment and replace or modification, but do not leave essence design of the present invention and scope.