CN101249932B - Pin-shaft hydraulic lifting apparatus - Google Patents
Pin-shaft hydraulic lifting apparatus Download PDFInfo
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- CN101249932B CN101249932B CN2008101019993A CN200810101999A CN101249932B CN 101249932 B CN101249932 B CN 101249932B CN 2008101019993 A CN2008101019993 A CN 2008101019993A CN 200810101999 A CN200810101999 A CN 200810101999A CN 101249932 B CN101249932 B CN 101249932B
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Abstract
A pin shaft type hydraulic lifting apparatus comprises an upper load-carrying structure 1, a piston rod connecting mechanism 2, a stroke controlling mechanism 3, a vertically moving hydraulic cylinder 4, a cylinder connecting mechanism 6 and a lower load-carrying structure 7, wherein the upper load-carrying structure is connected with a piston rod of the hydraulic cylinder via the piston rod connecting mechanism, the lower load-carrying structure is connected with a cylinder of the hydraulic cylinder via the cylinder connecting mechanism, the stroke controlling mechanism is arranged on the hydraulic cylinder, both the piston rod connecting mechanism and the cylinder connecting mechanism are provided with a spherical surface structure which can relatively swing and automatically correct load-bias. The apparatus employing hydraulic-oil as power pushes the hydraulic cylinder to move reciprocally, drives the upper load-carrying structure 1 connected with the piston rod and the lower load-carrying structure 7 connected with the hydraulic cylinder to vertically move in a specific track way, thereby achieving vertically top lifting or falling or air hovering for adjusting position of extra-heavy (bulky) matters. The lifting apparatus has the advantages of small volume, light weight, high safety, convenient construction and low construction cost and the like.
Description
Technical field
The invention belongs to field of engineering technology, be specifically related to a kind ofly vertically hoist or land and the device of multilayer spy (stupid) the weight body position that frequent unsettled pause adjustment is vertically arranged.
Background technology
At present, vertically hoist in the engineering or land and the equipment of multilayer spy (stupid) the weight body position that frequent unsettled pause adjustment is vertically arranged has only winch, though winch can be realized hoisting or land and the purpose of multilayer spy (stupid) the weight body position that frequent unsettled pause adjustment is vertically arranged, its equipment is huge, structure is numerous and diverse, construction is loaded down with trivial details, operating efficiency is low, construction cost is high, the safe reliability difference and the hovering adjustment can not be accomplished to operate steadily, accurately.
Summary of the invention
The purpose of this invention is to provide the vertically device-pin-shaft hydraulic lifting apparatus of multilayer spy (stupid) the weight body position of layout of a kind of vertically jacking or landing and steady, accurate unsettled pause adjustment.
For achieving the above object, the present invention takes following design plan:
A kind of pin-shaft hydraulic lifting apparatus, it includes load mechanism, piston rod bindiny mechanism, range controlling mechanism, vertical motion hydraulic actuating cylinder, cylinder barrel bindiny mechanism, following load mechanism, it is characterized in that:
The described load mechanism of going up is connected with the piston rod of described vertical motion hydraulic actuating cylinder by described piston rod bindiny mechanism, and described following load mechanism passes through described cylinder barrel bindiny mechanism and is connected with the cylinder barrel of described vertical motion hydraulic actuating cylinder; Be equipped with telescopic load spare in the described upper and lower load mechanism;
Described range controlling mechanism is arranged on the vertical motion hydraulic actuating cylinder;
Described piston rod bindiny mechanism all has the spherical structure that unbalance loading is corrected in relative swing automatically with described cylinder barrel bindiny mechanism.
Pin-shaft hydraulic lifting apparatus provided by the invention is power with hydraulic oil, promote vertical motion hydraulic actuating cylinder crank motion, drive with the piston rod bonded assembly on load mechanism and with hydraulic actuating cylinder cylinder barrel bonded assembly under the vertically walking on certain tracks of load mechanism, load spare on it alternately supports in orbit, thereby realizes the purpose of the position of vertical jacking or landing and special (stupid) weight body of hovering adjustment.
Weight in walking or position adjustment the unbalance loading that produces by piston rod bindiny mechanism, cylinder barrel bindiny mechanism in relative swing between upper and lower spheric seating correct automatically.
Be equipped with hydraulic actuating cylinder in the load mechanism about described, described load spare is connected on the piston rod of described hydraulic actuating cylinder, so that finish expanding-contracting action.
On described, following load mechanism structure is identical, described load spare is the load bearing pin, described hydraulic actuating cylinder is the cross motion hydraulic actuating cylinder, also comprise the load case, the bearing pin attaching parts, induction contact and induction type travel switch, described load bearing pin is two, be inserted in load case two ends respectively, can be installed on the described load case with crossing out or withdraw, described cross motion hydraulic actuating cylinder is installed on the described load case, hydraulic cylinder wherein is fixed on the load case, piston rod connects firmly by described bearing pin attaching parts and described load bearing pin, and described induction contact is fixed on the piston rod of described cross motion hydraulic actuating cylinder, and described induction type travel switch is installed on the load case; Also be provided with guiding parts on the load case, it is fixed on the described load case, so as with track on corresponding guide frame coupling, in jacking of this jacking apparatus or landing process, play the guiding role.
In concrete device, in the identical structure of described upper and lower load mechanism, described guiding parts comprises guide runner, slider guide plate and gib block, and described load case is a rectangle structure, described guide runner is fixed on the side of load case, and the slider guide plate is fixed on the guide runner; Described gib block is four, is separately fixed at four jiaos of load case.
Described cross motion hydraulic actuating cylinder is fixed on the side of described load case, described two load bearing pins are inserted in respectively in the load pin-and-hole at described load case two ends, described bearing pin attaching parts comprises bearing pin tie bolt and bearing pin coupling link, described bearing pin coupling link has a ring body, on ring body, extended a spiro union portion, it is screwed onto on the piston rod of described cross motion hydraulic actuating cylinder, and described bearing pin tie bolt is located in the ring body of described bearing pin coupling link and is screwed onto on the load bearing pin; Make the load bearing pin be connected by bearing pin tie bolt and bearing pin coupling link with cross motion hydraulic actuating cylinder two ends piston rod;
Induction contact is two, is connected with described cross motion hydraulic actuating cylinder two ends piston rod separately by bearing pin coupling link, bearing pin tie bolt respectively, and described induction type travel switch is two groups, 4 every group, is separately fixed at the two ends of load case.
Described green phase to the spherical structure of swing automatic deviation correction can be: in described piston rod bindiny mechanism, described piston rod bindiny mechanism comprises that piston rod connects and goes up spheric seating, piston rod connects the lower peripheral surface seat, the spheric seating locating dowel pin, the spheric seating connecting panel, piston rod connects upward, and the spheric seating upper surface is the plane, open a ball recess on the following transverse plane, edge, ball recess central authorities footpath is to having the Long Circle positioning groove, it is the plane that piston rod connects lower peripheral surface seat lower end, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole on axis direction, one end of described spheric seating locating dowel pin is plugged in the circular dowel hole that cross-sectional plane mates with it, its other end is plugged in the described Long Circle positioning groove, piston rod connect to be gone up spheric seating and is linked to each other with last load mechanism by tie bolt, piston rod connects the lower peripheral surface seat and links to each other with piston rod by tie bolt, the piston rod connection is gone up spheric seating and is connected the spheric seating connecting panel connection of lower peripheral surface seat with piston rod, and driving upward by piston rod bindiny mechanism during piston rod movement, load mechanism moves simultaneously.
Described green phase to the spherical structure of swing automatic deviation correction can be: in described cylinder barrel bindiny mechanism, described cylinder barrel bindiny mechanism comprises that cylinder barrel connects and goes up spheric seating, cylinder barrel connects the lower peripheral surface seat, the spheric seating locating dowel pin, the spheric seating connecting panel is formed, cylinder barrel connects upward, and the spheric seating upper surface is the plane, open a ball recess on the following transverse plane, ball recess central authorities in the footpath along to having the Long Circle positioning groove, it is the plane that cylinder barrel connects lower peripheral surface seat lower end, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole on axis direction, one end of described spheric seating locating dowel pin is plugged in the circular dowel hole that cross-sectional plane mates with it, its other end is plugged in the described Long Circle positioning groove, cylinder barrel connects upward, and spheric seating links to each other with cylinder barrel, cylinder barrel connects the lower peripheral surface seat and links to each other with following load mechanism by tie bolt, cylinder barrel connection upward spheric seating is connected the lower peripheral surface seat with the connection of spheric seating connecting panel with cylinder barrel, move simultaneously by load mechanism under the drive of cylinder barrel bindiny mechanism during the cylinder barrel motion.
Can also comprise a cylinder barrel connecting panel in the described cylinder barrel bindiny mechanism, the one side is connected the spheric seating upper end with described cylinder barrel plane one side is spirally connected, and opposite side and vertical motion hydraulic actuating cylinder are affixed.
Pin-shaft hydraulic lifting apparatus provided by the invention can be with weight vertically walking reposefully in orbit, and can accurately, steadily adjust the position of multilayer spy (stupid) the weight body of vertically arranging aloft.This device changes vertical jacking, landing and the position of realizing spy (stupid) weight by the inter-agency load of upper and lower load that links to each other with hydraulic actuating cylinder and adjusts.Thereby this hydraulic jacking device has that volume is little, in light weight, safety factor is high, easy construction, characteristics that construction cost is low.
Description of drawings
Fig. 1 is the structural representation of pin-shaft hydraulic lifting apparatus provided by the invention.
Fig. 2 is the load mechanism schematic top plan view of pin-shaft hydraulic lifting apparatus provided by the invention.
Fig. 3 is that the master of load mechanism of the pin-shaft hydraulic lifting apparatus that provides of the present invention looks scheme drawing.
Fig. 4 is the piston rod bindiny mechanism scheme drawing of pin-shaft hydraulic lifting apparatus provided by the invention.
Fig. 5 is the cylinder barrel bindiny mechanism scheme drawing of pin-shaft hydraulic lifting apparatus provided by the invention.
The specific embodiment
Referring to shown in Figure 1: a kind of pin-shaft hydraulic lifting apparatus, it includes load mechanism 1, piston rod bindiny mechanism 2, range controlling mechanism 3, vertical motion hydraulic actuating cylinder 4, balance cock 5, tube bindiny mechanism 6, following load mechanism 7,
Last load mechanism 1 is connected with the piston rod of vertical motion hydraulic actuating cylinder 4 by piston rod bindiny mechanism 2, and following load mechanism 7 passes through cylinder barrel bindiny mechanism 6 and is connected with the hydraulic actuating cylinder of vertical motion hydraulic actuating cylinder 4.
On the rodless cavity connecting line of vertical motion hydraulic actuating cylinder 4 balance cock 5 is set.
This device is power with hydraulic oil, promotes vertical motion hydraulic actuating cylinder 4 crank motions, load mechanism 7 vertically walking on certain tracks A under the cylinder barrel bonded assembly of load mechanism 1 and vertical motion hydraulic actuating cylinder 4 on the piston rod bonded assembly of drive and vertical motion hydraulic actuating cylinder 4.
As Fig. 2, shown in 3, the described load mechanism 1 of going up, following load mechanism 7 structures are identical, by load case 8, guide runner 9, slider guide plate 10, gib block 11, load bearing pin 12, induction contact 13, bearing pin coupling link 14, cross motion hydraulic actuating cylinder 15, bearing pin tie bolt 16, induction type travel switch 17 is formed, load case 8 is a rectangle structure, guide runner 9 is fixed on the side of load case 8, slider guide plate 10 is fixed on the guide runner 8, gib block 11 is 4, be separately fixed at four jiaos of load case 8, cross motion hydraulic actuating cylinder 15 is fixed on the relative side of load case 8 and guide runner 9, load bearing pin 12 is two, be inserted in respectively in the load pin-and-hole at load case 8 two ends, and by the bearing pin tie bolt, the bearing pin coupling link is connected with cross motion hydraulic actuating cylinder 15 two ends piston rods, concrete, bearing pin coupling link 14 has a ring body, on ring body, extended a spiro union portion, it is screwed onto on the piston rod of cross motion hydraulic actuating cylinder 15, and bearing pin tie bolt 16 is located in the ring body of bearing pin coupling link 14 and is screwed onto on the load bearing pin 12; Make load bearing pin 12 be connected by bearing pin tie bolt 16 and bearing pin coupling link 14 with cross motion hydraulic actuating cylinder 15 two ends piston rods.Induction type travel switch 17 is two groups, every group two, be separately fixed at the two ends of load case 8, induction contact 13 is two, be arranged in the below of induction type travel switch 17, cross motion hydraulic actuating cylinder 15 is a double-acting cylinder, is fixed on the side of load case 8, and load bearing pin 12, induction contact 13 are connected with cross motion hydraulic actuating cylinder 15 two ends piston rods respectively by bearing pin coupling link 14, bearing pin tie bolt 15.
As shown in Figure 4, described piston rod bindiny mechanism 2 is connected by piston rod goes up spheric seating 18, piston rod connects lower peripheral surface seat 19, spheric seating connecting panel 20, locating dowel pin 21 is formed, piston rod connects upward, and spheric seating 18 upper surfaces are the plane, open a ball recess on the following transverse plane, edge, ball recess central authorities footpath is to having a Long Circle positioning groove 18-2, it is the plane that piston rod connects lower peripheral surface seat 19 lower ends, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole 19-2 on axis, the Long Circle positioning groove 18-2 of spheric seating 18 is connected with piston rod in the circular dowel hole 19-2 stepped hole of lower peripheral surface seat 19 and plugs locating dowel pin 21 on piston rod connects.Piston rod connect to be gone up spheric seating 18 and is linked to each other with last load mechanism 1 by tie bolt 18-1, piston rod connects lower peripheral surface seat 19 and links to each other with piston rod by tie bolt 19-1, spheric seating connects with spheric seating connecting panel 20 up and down, concrete structure can be: piston rod connects goes up spheric seating 18, piston rod connects lower peripheral surface seat 19 profiles and is rectangle, on a lateral surface of last spheric seating 18, offer a spheric seating connecting panel 20 mounting groove 18-3, on piston rod connection lower peripheral surface seat 19 corresponding lateral surfaces, offer a corresponding mounting groove 19-3, the two ends of spheric seating connecting panel 20 are provided with flanging, be plugged in respectively among two mounting groove 18-3 and the 19-3, and spheric seating connecting panel 20 be fixed on the last spheric seating 18 of piston rod connection with tie bolt 20-1.Drive upward load mechanism 1 motion in the same way simultaneously by piston rod bindiny mechanism 2 during piston rod movement.
As shown in Figure 5, described cylinder barrel bindiny mechanism is by cylinder barrel connecting panel 22, cylinder barrel connects goes up spheric seating 23, cylinder barrel connects lower peripheral surface seat 24, spheric seating connecting panel 25, locating dowel pin 26 is formed, cylinder barrel connecting panel 22 has bolt hole, cylinder barrel connects upward, and spheric seating 23 upper surfaces are the plane, open a ball recess on the following transverse plane, edge, ball recess central authorities footpath is to having Long Circle positioning groove 23-1, it is the plane that cylinder barrel connects lower peripheral surface seat 24 lower ends, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole 24-1 on axis, the Long Circle positioning groove 23-1 of spheric seating 23 is connected with cylinder barrel in the circular dowel hole 24-1 stepped hole of lower peripheral surface seat 24 and plugs locating dowel pin 26 on cylinder barrel connects.Cylinder barrel connects upward, and spheric seating 23 links to each other with cylinder barrel by cylinder barrel connecting panel 22, cylinder barrel connects lower peripheral surface seat 24 and links to each other with following load mechanism 7 by tie bolt, spheric seating connects with spheric seating connecting panel 25 up and down, concrete can be: spheric seating 23 on the cylinder barrel, cylinder barrel connects lower peripheral surface seat 24 profiles and is rectangle, cylinder barrel connects on the lateral surface of going up spheric seating 23 offers spheric seating connecting panel 25 mounting groove 23-2, on cylinder barrel connection lower peripheral surface seat 24 corresponding lateral surfaces, offer a corresponding mounting groove 24-2, the two ends of spheric seating connecting panel 25 are provided with flanging, be plugged in respectively among two mounting groove 23-2 and the 24-2, and spheric seating connecting panel 25 be fixed on upward spheric seating 23 of cylinder barrel connection with tie bolt 25-1.Drive load mechanism 7 motion in the same way simultaneously down by cylinder barrel bindiny mechanism 6 during the cylinder barrel motion.
Two load bearing pins 12 in the upper and lower load mechanism can be plugged in respectively in the force-bearing hole of corresponding position on the certain tracks A under the driving of cross motion hydraulic actuating cylinder.A series of force-bearing holes corresponding to the corresponding upper-lower position of load bearing pin are set on the vertical direction of certain tracks A.
Hydraulic jacking device band weight is when track climbs, vertical motion hydraulic actuating cylinder 4 piston rods extend out to the piston rod bonded assembly on the center of load bearing pin 12 of load mechanism 1 overlap with its force-bearing hole center of getting on the right track, vertical motion hydraulic actuating cylinder 4 stops action, the piston rod of the cross motion hydraulic actuating cylinder 15 of last load mechanism 1 stretches out, drive load bearing pin 12, induction contact 13 is stretched out simultaneously, in load bearing pin 12 reaches the track force-bearing hole, induction contact 13 simultaneously near every group of induction type travel switch 17 one of them, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 bearing loads, then with vertical motion hydraulic actuating cylinder 4 cylinder barrel bonded assemblys under the piston rod retraction of cross motion hydraulic actuating cylinder 15 of load mechanism 7, drive load bearing pin 12, induction contact 13 bounces back simultaneously, when load bearing pin 12 force-bearing hole that bounces back out, induction contact 13 is simultaneously near wherein another of every group of induction type travel switch 17, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 removal load, so far load is transferred to load mechanism 1 from following load mechanism 7, thereafter vertical motion hydraulic actuating cylinder 4 cylinder barrels rise to the cylinder barrel bonded assembly under the center of load bearing pin 12 of load mechanism 7 overlap with a last track force-bearing hole center, vertical motion hydraulic actuating cylinder 4 stops action, the piston rod of the cross motion hydraulic actuating cylinder 15 of following load mechanism 7 stretches out, drive load bearing pin 12, induction contact 13 is stretched out simultaneously, when load bearing pin 12 reaches in the force-bearing hole, induction contact 13 simultaneously near every group of induction type travel switch 17 one of them, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 bearing loads, then with vertical motion hydraulic actuating cylinder 4 piston rod bonded assemblys on the piston rod retraction of cross motion hydraulic actuating cylinder 15 of load mechanism 1, drive load bearing pin 12, induction contact 13 bounces back simultaneously, when load bearing pin 12 force-bearing hole that bounces back out, induction contact 13 is simultaneously near wherein another of every group of induction type travel switch 17, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 removal load, so far load is transferred to down in the load mechanism 7 from last load mechanism 1, so far, the working cycle of climbing is finished, the working cycle that repeats to climb can be with weight from the lower jacking to eminence.
Hydraulic jacking device band weight is when track descends, the piston rod of the cross motion hydraulic actuating cylinder 15 of last load mechanism 1 stretches out, drive load bearing pin 12, induction contact 13 is stretched out simultaneously, when load bearing pin 12 reaches in the force-bearing hole, induction contact 13 simultaneously near every group of induction type travel switch 17 one of them, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 bearing loads, then with vertical motion hydraulic actuating cylinder 4 cylinder barrel bonded assemblys under the piston rod retraction of cross motion hydraulic actuating cylinder 15 of load mechanism 7, drive load bearing pin 12, induction contact 13 bounces back simultaneously, when load bearing pin 12 force-bearing hole that bounces back out, induction contact 13 is simultaneously near wherein another of every group of induction type travel switch 17, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 removal load, so far load is transferred to load mechanism 1 from following load mechanism 7, thereafter vertical motion hydraulic actuating cylinder 4 cylinder barrels drop to the cylinder barrel bonded assembly under the center of load bearing pin 12 of load mechanism 7 overlap with next track force-bearing hole center, vertical motion hydraulic actuating cylinder 4 stops action, the piston rod of the cross motion hydraulic actuating cylinder 15 of following load mechanism 7 stretches out, drive load bearing pin 12, induction contact 13 is stretched out simultaneously, when load bearing pin 12 reaches in the force-bearing hole, induction contact 13 simultaneously near every group of induction type travel switch 17 one of them, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 bearing loads, then with vertical motion hydraulic actuating cylinder 4 piston rod bonded assemblys on the piston rod retraction of cross motion hydraulic actuating cylinder 15 of load mechanism 1, drive load bearing pin 12, induction contact 13 bounces back simultaneously, when load bearing pin 12 force-bearing hole that bounces back out, induction contact 13 is simultaneously near wherein another of every group of induction type travel switch 17, induction type travel switch 17 sends instruction, order cross motion hydraulic actuating cylinder 15 two ends piston rods stop action, this moment load bearing pin 12 removal load, so far load is transferred to down in the load mechanism 7 from last load mechanism 1, thereafter vertical motion hydraulic actuating cylinder 4 piston rods bounce back to the piston rod bonded assembly on the center of load bearing pin 12 of load mechanism 1 overlap with lower railway force-bearing hole center, vertical motion hydraulic actuating cylinder 4 stops action, so far, a decline working cycle is finished, and the working cycle that repeats to climb can drop to lower from the eminence top with weight.
When weight produces unbalance loading in walking or position adjustment, slide among the Long Circle positioning groove 18-2 of the locating dowel pin 21 of piston rod bindiny mechanism 2 spheric seating 18 on piston rod connects, the convex spherical of drive lower peripheral surface seat 19 rotates the central lines until load center of gravity and connected component in the ball recess of last spheric seating 18, or slide among the Long Circle positioning groove 23-1 of the locating dowel pin 26 of cylinder barrel bindiny mechanism 6 spheric seating 23 on cylinder barrel connects, the convex spherical of drive lower peripheral surface seat 24 rotates the central lines until load center of gravity and connected component in the ball recess of last spheric seating 23, thereby piston rod bindiny mechanism 2 or cylinder barrel bindiny mechanism 6 eliminate the kinematic error that unbalance loadings cause automatically.Thus, weight in walking or position adjustment the unbalance loading that produces just can be by piston rod bindiny mechanism 2, cylinder barrel bindiny mechanism 6 in relative swing between upper and lower spheric seating correct automatically.
Hydraulic jacking device band weight is when track descends, and balance cock 5 is set up certain back pressure on pipeline, fall suddenly to prevent weight.
Claims (10)
1. pin-shaft hydraulic lifting apparatus, it includes load mechanism, piston rod bindiny mechanism, range controlling mechanism, vertical motion hydraulic actuating cylinder, cylinder barrel bindiny mechanism, load mechanism down, it is characterized in that:
The described load mechanism of going up is connected with the piston rod of described vertical motion hydraulic actuating cylinder by described piston rod bindiny mechanism, and described following load mechanism passes through described cylinder barrel bindiny mechanism and is connected with the cylinder barrel of described vertical motion hydraulic actuating cylinder; Be equipped with telescopic load spare in the described upper and lower load mechanism; Described range controlling mechanism is arranged on the vertical motion hydraulic actuating cylinder; Described piston rod bindiny mechanism all has relative swing to correct the spherical structure of unbalance loading automatically with described cylinder barrel bindiny mechanism, and the unbalance loading that weight produces in walking or position adjustment is corrected automatically by the relative swing between the upper and lower spheric seating of spherical structure described in piston rod bindiny mechanism, the cylinder barrel bindiny mechanism.
2. pin-shaft hydraulic lifting apparatus according to claim 1 is characterized in that: be equipped with hydraulic actuating cylinder in the described upper and lower load mechanism, described load spare is connected on the piston rod of described hydraulic actuating cylinder.
3. pin-shaft hydraulic lifting apparatus according to claim 2, it is characterized in that: on described, following load mechanism structure is identical, described load spare is the load bearing pin, described being arranged on, hydraulic actuating cylinder in the following load mechanism is the cross motion hydraulic actuating cylinder, also comprise the load case, the bearing pin attaching parts, induction contact and induction type travel switch, described load bearing pin is two, be inserted in load case two ends respectively, can be fixed on the described load case with crossing out or withdraw, described cross motion hydraulic actuating cylinder is installed on the described load case, the hydraulic cylinder of described cross motion hydraulic actuating cylinder wherein is fixed on the load case, the piston rod of described cross motion hydraulic actuating cylinder connects firmly by described bearing pin attaching parts and described load bearing pin, described induction contact is fixed on the piston rod of described cross motion hydraulic actuating cylinder, and described induction type travel switch is arranged on the load case.
4. pin-shaft hydraulic lifting apparatus according to claim 3, it is characterized in that: on described load case, also be provided with guiding parts, it is fixed on the described load case, so as with track on corresponding guide frame coupling, in jacking of this jacking apparatus or landing process, play the guiding role.
5. pin-shaft hydraulic lifting apparatus according to claim 4, it is characterized in that: described guiding parts comprises guide runner, slider guide plate and gib block, described load case is a rectangle structure, and described guide runner is fixed on the side of load case, and the slider guide plate is fixed on the guide runner; Described gib block is four, is separately fixed at four jiaos of load case.
6. according to claim 3 or 4 described pin-shaft hydraulic lifting apparatus, it is characterized in that: described cross motion hydraulic actuating cylinder is fixed on the side of described load case, described two load bearing pins are inserted in respectively in the load pin-and-hole at described load case two ends, described bearing pin attaching parts comprises bearing pin tie bolt and bearing pin coupling link, described bearing pin coupling link has a ring body, on ring body, extended a spiro union portion, it is screwed onto on the piston rod of described cross motion hydraulic actuating cylinder, and described bearing pin tie bolt is located in the ring body of described bearing pin coupling link and is screwed onto on the load bearing pin; Make the load bearing pin be connected by bearing pin tie bolt and bearing pin coupling link with cross motion hydraulic actuating cylinder two ends piston rod;
7. pin-shaft hydraulic lifting apparatus according to claim 6, it is characterized in that: induction contact is two, be connected with described cross motion hydraulic actuating cylinder two ends piston rod separately by bearing pin coupling link, bearing pin tie bolt respectively, described induction type travel switch is two groups, every group 4, be separately fixed at the two ends of load case.
8. pin-shaft hydraulic lifting apparatus according to claim 1, it is characterized in that: described piston rod bindiny mechanism is provided with relative swing and corrects the described spherical structure of unbalance loading automatically and be, described piston rod bindiny mechanism comprises that piston rod connects and goes up spheric seating, piston rod connects the lower peripheral surface seat, the spheric seating locating dowel pin, the spheric seating connecting panel, piston rod connects upward, and the spheric seating upper surface is the plane, open a ball recess on the following transverse plane, ball recess central authorities radially have the Long Circle positioning groove, it is the plane that piston rod connects lower peripheral surface seat lower end, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole on axis direction, one end of described spheric seating locating dowel pin is plugged in the circular dowel hole that cross-sectional plane mates with it, its other end is plugged in the described Long Circle positioning groove, piston rod connect to be gone up spheric seating and is linked to each other with last load mechanism by tie bolt, piston rod connects the lower peripheral surface seat and links to each other with piston rod by tie bolt, the piston rod connection is gone up spheric seating and is connected the spheric seating connecting panel connection of lower peripheral surface seat with piston rod, and driving upward by piston rod bindiny mechanism during piston rod movement, load mechanism moves simultaneously.
9. pin-shaft hydraulic lifting apparatus according to claim 1, it is characterized in that: described cylinder barrel bindiny mechanism is provided with relative swing and corrects the described spherical structure of unbalance loading automatically and be, described cylinder barrel bindiny mechanism comprises that cylinder barrel connects and goes up spheric seating, cylinder barrel connects the lower peripheral surface seat, the spheric seating locating dowel pin, the spheric seating connecting panel, cylinder barrel connects upward, and the spheric seating upper surface is the plane, open a ball recess on the following transverse plane, ball recess central authorities radially have the Long Circle positioning groove, it is the plane that cylinder barrel connects lower peripheral surface seat lower end, it in the last transverse plane convex spherical, sphere central authorities have circular dowel hole on axis direction, cylinder barrel connects upward, and spheric seating links to each other with cylinder barrel by the cylinder barrel connecting panel, cylinder barrel connects the lower peripheral surface seat and links to each other with following load mechanism by tie bolt, descends load mechanism to move simultaneously by the drive of cylinder barrel bindiny mechanism during the cylinder barrel motion.
10. pin-shaft hydraulic lifting apparatus according to claim 9, it is characterized in that: also comprise a cylinder barrel connecting panel in the described cylinder barrel bindiny mechanism, the one side is connected the spheric seating upper end with described cylinder barrel plane one side is spirally connected, and opposite side and vertical motion hydraulic actuating cylinder are affixed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101019993A CN101249932B (en) | 2008-03-14 | 2008-03-14 | Pin-shaft hydraulic lifting apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008101019993A CN101249932B (en) | 2008-03-14 | 2008-03-14 | Pin-shaft hydraulic lifting apparatus |
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| CN101249932A CN101249932A (en) | 2008-08-27 |
| CN101249932B true CN101249932B (en) | 2011-01-19 |
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| CN2008101019993A Active CN101249932B (en) | 2008-03-14 | 2008-03-14 | Pin-shaft hydraulic lifting apparatus |
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