CN107915170B - The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system - Google Patents
The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system Download PDFInfo
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- CN107915170B CN107915170B CN201711120170.3A CN201711120170A CN107915170B CN 107915170 B CN107915170 B CN 107915170B CN 201711120170 A CN201711120170 A CN 201711120170A CN 107915170 B CN107915170 B CN 107915170B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/07504—Accessories, e.g. for towing, charging, locking
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- Vehicle Body Suspensions (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system to belong to rail vehicle car lifting J-Horner auxiliary and drags load device field comprising two sets of auxiliary support apparatus, two car lifting J-Horner column horizontal ribs, two supporting plate cushion blocks, two pivoted arm cushion blocks, two screw platform shaft gap detection sensors and screw podium level sensor.Assist de- loading system that can altogether dispense with the use of process bogie using screw of the invention, so that manufacturing cost is saved, and, due to without carrying out solution volume to train and organizing into groups again, therefore production hour can be substantially saved, greatlys improve working efficiency, and then bring considerable economic benefit.The present invention can make the manufacturing process of every train save 4 hours, and at least save the hundreds of thousands of members of outlay of production.
Description
Technical field
The invention belongs to rail vehicle car lifting J-Horner auxiliary to drag load device field, and in particular to one kind is long-term for car lifting J-Horner
The screw for lifting load-bearing assists de- loading system.
Background technique
As shown in Figure 1, car lifting J-Horner used for rail vehicle is that a kind of train body similar to electri forklift lifts lifting carrying
The lead screw 1 of device, car lifting J-Horner is fixed on the central axes of two car lifting J-Horner columns 3, and screw platform 2 passes through screw and lead screw 1
Threaded connection forms screw mechanism, and is vertically moved up or down screw platform 2 along vertical direction, thus by with screw platform
2 two connected horizontal plates 4 are lifted on vehicle body bottom frame, are realized the lifting to car body and are lifted operation.Screw is located at screw
The center of platform 2, the both ends of screw platform 2 pass through the gap screw platform shaft 2-1 and screw platform shaft seat 2-2 respectively and match
It closes.Car lifting J-Horner is adjusted by identical speed sync in application, the surrounding for needing multiple groups car lifting J-Horner to be symmetrically arranged in car body that is open to traffic
Adjustable height completes the more piece compartment synchronous interaction that vehicle is not understood under volume state and is lifted operation.It is held at this point, screw platform 2 is in
Under the pressured state of carrying force load, the sidewall upper face of screw platform shaft 2-1 and the inside of screw platform shaft seat 2-2
There are the gaps of 5 about millimeters between wall.When screw and lead screw shed load, the sidewall upper face of screw platform shaft 2-1 with
Between the inner sidewall of screw platform shaft seat 2-2 gap width then can constriction to 1 millimeter.Therefore, which can be used to judge silk
Whether the car body gravitational load on female platform 2 still remains.
Because the time cycle that vehicle is installed or overhauled is longer, generally requires car lifting J-Horner and lift car body for a long time in given height
Position is spent, the threaded connection between screw and lead screw can cause to be plastically deformed because continuing load-bearing stress for a long time, or destroy spiral shell
The lube layer on line surface gets rusty to it, to influence the synchronism of car lifting J-Horner linkage lifting operation, and shortens screw mechanism
Service life.Therefore, it is necessary to de- carry for researching and developing a kind of car lifting J-Horner screw bearing load is set, so that its gravitational load is from screw
Upper disengaging.
On the other hand, in order to avoid car lifting J-Horner lifting the long-term of car body, in existing manufacture or maintenance process, in mistake
After car lifting J-Horner lifts the logical liter of car body, car lifting J-Horner is temporarily substituted using process bogie, is used for bearing body.But this is turned to using technique
The scheme of frame needs the entire train hung together originally solving marshalling one by one, disassembles as rail cars, makes knots in manufacture with maintenance mans
Shu Hou, re-using car lifting J-Horner in need is lifted rail cars one by one, and each section compartment is sequentially hung together again, this solution compile and again
The work single-unit vehicle newly organized into groups expends working hour about 4 hours, workload extremely bulky complex, time-consuming and laborious, inefficiency.And with
It is only in terms of 40,000 yuan rough by the cost of every bogie in requisition for 16 process bogies for the vehicle that 16 sections are hung together
It calculates, only process bogie one just needs 640,000 yuan of input.
Summary of the invention
When needing to lift car body for a long time for a long time to solve existing vehicle device, screw mechanism can be because continuing load-bearing stress for a long time
And cause to be plastically deformed, or destroy because of long-term load-bearing the lube layer of thread surface and get rusty to it, to influence car lifting J-Horner connection
The synchronism of dynamic lifting operation, and shorten the service life of screw mechanism；And car lifting J-Horner is temporarily substituted using process bogie and is faced
When bearing body old scheme need to carry out train again solution compile and organize into groups again, needed for put into goods and materials and manpower consumption
Take huge, both costly and inefficient technical problem, the present invention provides a kind of silk for lifting load-bearing for a long time for car lifting J-Horner
Mother assists de- loading system.
The technical solution adopted for solving the technical problem of the present invention is as follows:
The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system comprising two sets of auxiliary support apparatus, two
Car lifting J-Horner column horizontal rib, two supporting plate cushion blocks, two pivoted arm cushion blocks, two screw platform shaft gap detection sensors and
Screw podium level sensor；The supporting plate cushion block is groove profile cushion block, corresponds to the lower end surface for being fixed on a horizontal plate；Often
The top of a screw platform shaft side wall offers gap sensor through-hole straight down, screw platform shaft gap detection
The detection end of sensor is fixed in a corresponding gap sensor through-hole；It is opened on the side wall of each car lifting J-Horner column
Have a column transverse direction rectangle through slot and platform height sensor horizontal through hole, two car lifting J-Horner column horizontal ribs be respectively fixedly connected in
The bottom of one corresponding column transverse direction rectangle through slot；Pivoted arm cushion block is respectively fixedly connected horizontal in two corresponding car lifting J-Horner columns
Gusset closes on end；The detection end of screw podium level sensor is fixed in podium level sensor levels through-hole；Institute
Two sets of auxiliary support apparatus are stated to be fixed on the side wall of a corresponding car lifting J-Horner column.
The auxiliary support apparatus includes outer cover, pivoted arm, pivoted arm pin shaft, piston mechanism and piston cylinder axle bed, before outer cover is
End opening, rear end are equipped with the rectangular box body of end cap, and the front end of two side wall upper part is equipped with the pivoted arm pin shaft hole penetrated through each other, turn
Arm includes integrally formed trailing arm, pivoted arm axle sleeve and pivoted arm free bearing, and trailing arm and pivoted arm free bearing are fixed on along same diameter respectively to be turned
Arm axle covers the both ends of lateral wall, and the axis of pivoted arm free bearing is parallel with the axis of pivoted arm axle sleeve；The pivoted arm axle sleeve and pivoted arm free bearing
It is respectively positioned in outer cover, pivoted arm axle sleeve is connected by pivoted arm pin shaft and two pivoted arm pin shaft hole axles；The piston/cylinder of the piston mechanism
It is fixed on rear side of outer cover inner bottom surface by piston cylinder axle bed, the piston rod upper end of piston mechanism and pivoted arm free bearing axis connect.
The lower end surface of the outer cover is fixed on ground, and housing opening end and the sidewall weld of car lifting J-Horner column are connected, trailing arm
Front end along car lifting J-Horner column lateral wall direction level run through column transverse direction rectangle through slot, and be located at it is corresponding one vertical
Below supporting plate cushion block.
Trailing arm is 45 degree of angles along the angle range of pivoted arm axle sleeve, when the angle of trailing arm and horizontal plane is 0 degree, lower end surface
When the angle of the upper-end contact of front end and pivoted arm cushion block, trailing arm and horizontal plane is 45 degree, the front end of end face and outer cover upper end thereon
The lower end surface front edge in face is in contact.
The height of the outer cover is 300 millimeters, and the height of the axial line distance outer cover bottom surface of pivoted arm pin shaft hole is 215 millis
Rice, the distance of axis to outer cover front end face are 35 millimeters；
Height of the upper surface of car lifting J-Horner column horizontal rib apart from outer cover bottom surface is 190 millimeters；Pivoted arm pin shaft is anti-
The hard steel pipe for the 45# steel that shearing force is 10 tons, internal diameter are 40 millimeters, and outer diameter is 65 millimeters；Trailing arm is that compressive resistance is 20 tons
45# steel material forge slab, structure size be 275 × 80 × 70 millimeters；The upper/lower terminal of piston mechanism is all made of
The bolt connection piece of Q235-A type carbon steel；Supporting plate cushion block and pivoted arm cushion block are all made of 45# steel, wherein the size of pivoted arm cushion block
It is 40 × 20 × 12 millimeters, the outer dimension of supporting plate cushion block is 40 × 40 × 45 millimeters, and the size and level of interior grooves are inserted
The outline of plate lower end surface；Height of the podium level sensor levels through-hole apart from outer cover bottom surface is 2000 millimeters.
The beneficial effects of the present invention are: the auxiliary support apparatus of the system includes the pivoted arm driven by piston mechanism, turn
The trailing arm end of arm can the preset pivoted arm pin shaft rotation along outer cover within the scope of 0 to 45 degree horizontal sextant angle, and from upright horizontal
It retracts or stretches out to rectangle through slot to lead screw direction.The trailing arm for extending out to horizontal attitude can be used for that screw platform is replaced directly to hold
The gravitational load on horizontal plate is carried, and realizes the de- load operation to the car body weight load carried on screw platform, and will
Car body weight load is sequentially through horizontal plate, supporting plate cushion block, trailing arm, pivoted arm cushion block and car lifting J-Horner column horizontal rib along vertical side
To when being transmitted on column transverse direction rectangle through slot, and then vehicle device being overcome to need to lift car body for a long time for a long time completely, lead screw machine
Structure can cause to be plastically deformed because continuing load-bearing stress for a long time, or destroy because of long-term load-bearing the lube layer of thread surface to its
It the intrinsic problem such as gets rusty, and makes the service life for extending screw mechanism, and keep the net synchronization capability of car lifting J-Horner linkage lifting operation.
High-precision two screws platform shaft gap detection sensor and screw podium level sensor pass through respectively
The connection of the control cabinet of cable and piston mechanism, and connected with the control system of car lifting J-Horner.Its three utilizes well known rotine position
Detect the piston rod elongation of automated control technology difference piston mechanism and the adjustable height value of the control system to car lifting J-Horner
Base control is carried out, to realize that the present invention assists the control of de- loading system dynamic for the screw that car lifting J-Horner lifts load-bearing for a long time
Make.
Assist de- loading system that can altogether dispense with the use of process bogie using screw of the invention, to save manufacture
Cost, also, due to can substantially save production hour, greatly mention without carrying out solution volume to train and organizing into groups again
High working efficiency, and then bring considerable economic benefit.The present invention can make the manufacturing process of every train save 4 hours, and extremely
The hundreds of thousands of members of outlay of production are saved less.
Furthermore the de- loading system of screw auxiliary for being used for that car lifting J-Horner to lift load-bearing for a long time also has simple and practical in structure, operation
It is convenient, it is low in cost, the advantages that convenient for popularizing.
Detailed description of the invention
Fig. 1 is the screw mechanism of existing car lifting J-Horner and its structural relation schematic diagram of gate slide frame；
Fig. 2 is the schematic perspective view of auxiliary support apparatus of the present invention；
Fig. 3 is the explosion assembling schematic diagram of Fig. 2；
Fig. 4 is structural schematic diagram of the auxiliary support apparatus of the present invention under another perspective view；
Fig. 5 is the schematic diagram of the section structure along its vertical central plane of auxiliary support apparatus of the present invention；
Fig. 6 is the explosion assembling schematic diagram of Fig. 4；
Fig. 7 is the schematic perspective view of pivoted arm of the present invention；
Fig. 8 is the screw auxiliary de- loading system of the invention for lifting load-bearing for a long time for car lifting J-Horner in screw platform zero load
Principle schematic diagram；
Fig. 9 is that the screw that the present invention lifts load-bearing for car lifting J-Horner for a long time assists being born to screw platform for de- loading system
Application schematic diagram of car body gravitational load when drag load.
Specific embodiment
The present invention is described in further details with reference to the accompanying drawing.
As shown in Figures 2 to 7, it includes two that the screw for lifting load-bearing for a long time for car lifting J-Horner of the invention, which assists de- loading system,
Cover auxiliary support apparatus, two 11, two silks of pivoted arm cushion block of supporting plate cushion block 10, two of car lifting J-Horner column horizontal rib 14, two
Female platform shaft gap detection sensor 12 and screw podium level sensor 13；The supporting plate cushion block 10 is groove profile cushion block,
The corresponding lower end surface for being fixed on a horizontal plate 4；The top of each screw platform shaft 2-1 side wall offers straight down
Gap sensor through-hole, the detection end of screw platform shaft gap detection sensor 12 is fixed on a corresponding gap
In sensor through-hole；Column transverse direction rectangle through slot 3-1 and platform highly sensing are provided on the side wall of each car lifting J-Horner column 3
Device horizontal through hole 3-2, two car lifting J-Horner column horizontal ribs 14 are respectively fixedly connected in a corresponding column transverse direction rectangle through slot
The bottom of 3-1；Pivoted arm cushion block 11, which is respectively fixedly connected, closes on end in two corresponding car lifting J-Horner column horizontal ribs 14；Screw is flat
The detection end of platform height sensor 13 is fixed in podium level sensor levels through-hole 3-2；Two sets of Auxiliary supports dress
It sets and is fixed on the side wall of a corresponding car lifting J-Horner column 3.
The auxiliary support apparatus includes outer cover 5, pivoted arm 6, pivoted arm pin shaft 7, piston mechanism 8 and piston cylinder axle bed 9, outer cover
5 be front opening, rear end is equipped with the rectangular box body of end cap, and the front end of two side wall upper part is equipped with the pivoted arm pin shaft penetrated through each other
Hole 5-1, pivoted arm 6 include integrally formed trailing arm 6-1, pivoted arm axle sleeve 6-2 and pivoted arm free bearing 6-3, trailing arm 6-1 and pivoted arm free bearing 6-
3 are fixed on the both ends of pivoted arm axle sleeve 6-2 lateral wall along same diameter respectively, and the axis of pivoted arm free bearing 6-3 is with pivoted arm axle sleeve 6-2's
Axis is parallel；The pivoted arm axle sleeve 6-2 and pivoted arm free bearing 6-3 are respectively positioned in outer cover 5, pivoted arm axle sleeve 6-2 by pivoted arm pin shaft 7 with
Two pivoted arm pin shaft hole 5-1 axis connect；The piston/cylinder of the piston mechanism 8 is fixed on 5 inner bottom of outer cover by piston cylinder axle bed 9
On rear side of face, the piston rod upper end of piston mechanism 8 and pivoted arm free bearing 6-3 axis connect.
The lower end surface of the outer cover 5 is fixed on ground, and 5 open end of outer cover and the sidewall weld of car lifting J-Horner column 3 are connected, support
Column transverse direction rectangle through slot 3-1 is run through along the lateral wall direction level of car lifting J-Horner column 3 in the front end of arm 6-1, and is located at and corresponds to
The lower section of one vertical supporting plate cushion block 10.
Trailing arm 6-1 is 45 degree of angles along the angle range of pivoted arm axle sleeve 6-2, when the angle of trailing arm 6-1 and horizontal plane is 0 degree,
The upper-end contact of the front end of its lower end surface and pivoted arm cushion block 11 is simultaneously limited by it, when the angle of trailing arm 6-1 and horizontal plane is 45 degree,
The front end of end face is in contact with the lower end surface front edge of 5 upper surface of outer cover and is limited by it thereon.
The height of the outer cover 5 is 300 millimeters, and height of the pivoted arm pin shaft hole 5-1 apart from 5 bottom surface of outer cover is 215 millis
Rice, the distance of axis to 5 front end face of outer cover are 35 millimeters；The upper surface of car lifting J-Horner column horizontal rib 14 is under outer cover 5
The height of bottom surface is 190 millimeters；Pivoted arm pin shaft 7 is the hard steel pipe for the 45# steel that anti-shearing force is 10 tons, and internal diameter is 40 millis
Rice, outer diameter are 65 millimeters；Trailing arm 6-1 is that the 45# steel material that compressive resistance is 20 tons forges slab, and structure size is 275 × 80
× 70 millimeters；The upper/lower terminal of piston mechanism 8 is all made of the bolt connection piece of Q235-A type carbon steel；Supporting plate cushion block 10 and turn
Arm cushion block 11 is all made of 45# steel, and wherein the size of pivoted arm cushion block 11 is 40 × 20 × 12 millimeters, the shape ruler of supporting plate cushion block 10
Very little is 40 × 40 × 45 millimeters, the outline of the size of interior grooves and horizontal 4 lower end surface of plate；Podium level sensor
Height of the horizontal through hole 3-2 apart from 5 bottom surface of outer cover is 2000 millimeters.Two 12 Hes of screw platform shaft gap detection sensor
Screw podium level sensor 13 selects the nearly sensor of OMRON board E2B-S08KS01-WP-B1 type；Piston mechanism 8 selects temperature
The HF-TGA-50-24-10 type hydraulic cylinder of Zhou Huifeng Electrical Appliances Co., Ltd production, the upper limit that is used as power are 5KN, and stroke is 50 millis
Rice.
As shown in Figure 8 and Figure 9, when concrete application screw of the invention assists de- loading system, directly by two sets of Auxiliary supports
Device is symmetrically installed on two car lifting J-Horner columns 3, and is inserted into trailing arm 6-1 in column transverse direction rectangle through slot 3-1,
And two screw platform shaft gap detection sensors 12 and screw podium level sensor 13 are passed through to cable and work respectively
The control cabinet connection of mechanism 8 is filled in, and is connected with the control system of car lifting J-Horner.
When there is no car body on car lifting J-Horner, when screw platform 2 is unloaded, the sidewall upper face of screw platform shaft 2-1 and silk
About 1 millimeter of the gap deposited between the inner sidewall of female platform shaft seat 2-2 can be passed by two screw platform shaft gap detections
Sensor 12 detects, and in the case, screw platform shaft gap detection sensor 12 does not issue to the control cabinet of piston mechanism 8 dynamic
Make control signal, therefore the original length that piston mechanism 8 will keep its piston rod to act without elongation, at this point, pivoted arm free bearing 6-3 exists
Make the 45 degree of inclination angles of trailing arm 6-1 and horizontal plane holding obliquely under the traction action of piston mechanism 8, and makes the end of trailing arm 6-1
It is completely retracted into column transverse direction rectangle through slot 3-1.
When car lifting J-Horner links unwheeling by its horizontal plate 4, when screw platform 2 is unloaded, screw platform shaft 2-1's
About 5 millimeters of the gap deposited between sidewall upper face and the inner sidewall of screw platform shaft seat 2-2 can be by two screw platforms
Shaft gap detection sensor 12 detects, and in the case, screw platform shaft gap detection sensor 12 is to piston mechanism 8
Control cabinet issues action control signal, and issues decline instruction to the control system of car lifting J-Horner；The piston rod of piston mechanism 8 according to
The action signal that control cabinet issues slowly extends, at this point, pivoted arm free bearing 6-3 makes trailing arm 6-1 under the impetus of piston mechanism 8
Axis around pivoted arm pin shaft 7 rotates, and gradually becomes smaller its angle with horizontal plane, and makes the end of trailing arm 6-1 from column transverse direction
Rectangle through slot 3-1 is stretched out to lead screw direction.Where the height of screw platform 2 is reduced to screw podium level sensor 13
Height and position when, positioned at horizontal 4 lower end of plate supporting plate cushion block 10 be just located at horizontal attitude correspondence trailing arm 6-1 on,
And the lower end surface of trailing arm 6-1 is also just supported by its pivoted arm cushion block 11 being disposed below at this time.At this point, screw podium level passes
Sensor 13 will be issued to the control system of car lifting J-Horner stops dropping signal, and issues keep to the control cabinet of piston mechanism 8 simultaneously
Signal；The control system of car lifting J-Horner is issued according to the stopping dropping signal being subject to stops decline order, so that lead screw be made to stop turning
It is dynamic, and screw platform 2 is made to stop at current height.Meanwhile the holding signal control that the control cabinet of piston mechanism 8 is subject to according to it
The piston rod of piston mechanism 8 processed, keeps current elongation.At this point, the car body weight load that screw platform 2 is carried sequentially passes through
Horizontal plate 4, supporting plate cushion block 10, trailing arm 6-1, pivoted arm cushion block 11 and car lifting J-Horner column horizontal rib 14 are transmitted to along the vertical direction
On column transverse direction rectangle through slot 3-1, to realize the weight replaced on the direct load level plate 4 of screw platform 2 by trailing arm 6-1
Power load, and realize the de- load operation to the car body weight load carried on screw platform 2.
Claims (3)
1. assisting de- loading system for the screw that car lifting J-Horner lifts load-bearing for a long time comprising two sets of auxiliary support apparatus, two framves
Vehicle device column horizontal rib (14), two supporting plate cushion blocks (10), two pivoted arm cushion blocks (11), two screw platform shaft gap inspections
Survey sensor (12) and screw podium level sensor (13)；The supporting plate cushion block (10) is groove profile cushion block, and correspondence is fixed on
The lower end surface of one horizontal plate (4)；The top of each screw platform shaft (2-1) side wall offers gap straight down
Sensor through-hole, the detection end of screw platform shaft gap detection sensor (12) are fixed on a corresponding gap sensing
In device through-hole；Column transverse direction rectangle through slot (3-1) and platform highly sensing are provided on the side wall of each car lifting J-Horner column (3)
Device horizontal through hole (3-2), two car lifting J-Horner column horizontal ribs (14) are respectively fixedly connected passes through in a corresponding column transverse direction rectangle
The bottom of through slot (3-1)；Pivoted arm cushion block (11) is respectively fixedly connected to be closed in two corresponding car lifting J-Horner column horizontal rib (14)
End；The detection end of screw podium level sensor (13) is fixed in podium level sensor levels through-hole (3-2)；It is described
Two sets of auxiliary support apparatus are fixed on the side wall of a corresponding car lifting J-Horner column (3)；
The auxiliary support apparatus includes outer cover (5), pivoted arm (6), pivoted arm pin shaft (7), piston mechanism (8) and piston cylinder axle bed
(9), outer cover (5) is the rectangular box body of front opening, rear end equipped with end cap, and the front end of two side wall upper part is equipped with to be penetrated through each other
Pivoted arm pin shaft hole (5-1), pivoted arm (6) includes integrally formed trailing arm (6-1), pivoted arm axle sleeve (6-2) and pivoted arm free bearing (6-
3), trailing arm (6-1) and pivoted arm free bearing (6-3) are fixed on the both ends of pivoted arm axle sleeve (6-2) lateral wall, pivoted arm along same diameter respectively
The axis of free bearing (6-3) is parallel with the axis of pivoted arm axle sleeve (6-2)；The pivoted arm axle sleeve (6-2) and the equal position pivoted arm free bearing (6-3)
In outer cover (5), pivoted arm axle sleeve (6-2) is connected by pivoted arm pin shaft (7) and two pivoted arm pin shaft hole (5-1) axis；The piston machine
The piston/cylinder of structure (8) is fixed on rear side of outer cover (5) inner bottom surface by piston cylinder axle bed (9), the piston rod of piston mechanism (8)
Upper end and pivoted arm free bearing (6-3) axis connect；
It is characterized by: the lower end surface of the outer cover (5) is fixed on ground, the side of outer cover (5) open end and car lifting J-Horner column (3)
Wall welding is connected, and the front end of trailing arm (6-1) is penetrated through along the lateral wall direction level of car lifting J-Horner column (3) through column transverse direction rectangle
Slot (3-1), and be located at below corresponding one vertical supporting plate cushion block (10).
2. the screw for lifting load-bearing for a long time for car lifting J-Horner as described in claim 1 assists de- loading system, it is characterised in that: support
Arm (6-1) is 45 degree of angles along the angle range of pivoted arm axle sleeve (6-2), when trailing arm (6-1) and the angle of horizontal plane are 0 degree, under
When the angle of the upper-end contact of the front end of end face and pivoted arm cushion block (11), trailing arm (6-1) and horizontal plane is 45 degree, end face thereon
Front end is in contact with the lower end surface front edge of outer cover (5) upper surface.
3. the screw for lifting load-bearing for a long time for car lifting J-Horner as claimed in claim 2 assists de- loading system, it is characterised in that: institute
The height for stating outer cover (5) is 300 millimeters, and the axis of pivoted arm pin shaft hole (5-1) is 215 millis away from the height of outer cover (5) bottom surface
Rice, the distance of axis to outer cover (5) front end face are 35 millimeters；
Height of the upper surface of car lifting J-Horner column horizontal rib (14) apart from outer cover (5) bottom surface is 190 millimeters；Pivoted arm pin shaft
(7) be anti-shearing force be 10 tons 45# steel hard steel pipe, internal diameter be 40 millimeters, outer diameter be 65 millimeters；Trailing arm (6-1) is
The 45# steel material that compressive resistance is 20 tons forges slab, and structure size is 275 × 80 × 70 millimeters；Piston mechanism (8) it is upper,
Lower both ends are all made of the bolt connection piece of Q235-A type carbon steel；Supporting plate cushion block (10) and pivoted arm cushion block (11) are all made of 45# steel
Material, wherein the size of pivoted arm cushion block (11) is 40 × 20 × 12 millimeters, and the outer dimension of supporting plate cushion block (10) is 40 × 40 × 45
Millimeter, the outline of the size of interior grooves and horizontal plate (4) lower end surface；Podium level sensor levels through-hole (3-
2) height apart from outer cover (5) bottom surface is 2000 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120170.3A CN107915170B (en) | 2017-11-14 | 2017-11-14 | The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711120170.3A CN107915170B (en) | 2017-11-14 | 2017-11-14 | The screw for lifting load-bearing for a long time for car lifting J-Horner assists de- loading system |
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| Publication Number | Publication Date |
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| CN107915170A CN107915170A (en) | 2018-04-17 |
| CN107915170B true CN107915170B (en) | 2019-09-10 |
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| CN2761483Y (en) * | 2004-09-13 | 2006-03-01 | 李泉洞 | Ground moving type car placing device |
| CN2846265Y (en) * | 2005-10-11 | 2006-12-13 | 东风（十堰）汽车液压动力有限公司 | Oil sylinder with ratchet for driver's cab hydraulic turnover mechanism |
| CN201437259U (en) * | 2009-06-23 | 2010-04-14 | 佛山市科达石材机械有限公司 | Work-platform elevation system protection device |
| CN202744281U (en) * | 2012-08-02 | 2013-02-20 | 齐齐哈尔轨道交通装备有限责任公司 | Screw hinged lifting jack |
| CN205449520U (en) * | 2015-12-30 | 2016-08-10 | 中国神华能源股份有限公司 | Pnematic car lifting jack's automatic synchro control device |
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| CN107915170A (en) | 2018-04-17 |
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