CN110228763A - A kind of falling proof device and equipment for hydraulic lifting - Google Patents
A kind of falling proof device and equipment for hydraulic lifting Download PDFInfo
- Publication number
- CN110228763A CN110228763A CN201910434193.4A CN201910434193A CN110228763A CN 110228763 A CN110228763 A CN 110228763A CN 201910434193 A CN201910434193 A CN 201910434193A CN 110228763 A CN110228763 A CN 110228763A
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- China
- Prior art keywords
- cylinder barrel
- rack assembly
- piston rod
- assembly
- hydraulic lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The present invention provides a kind of falling proof device for hydraulic lifting, including oil cylinder, rack assembly and control assembly, the oil cylinder connects the control assembly, the oil cylinder includes cylinder barrel and First piston bar, the rack assembly includes cylinder barrel rack assembly and piston rod rack assembly, the cylinder barrel rack assembly is installed on the cylinder barrel, one end of the piston rod rack assembly is rotationally fixed at the end of the First piston bar, and the other end of the piston rod rack assembly matches the cylinder barrel rack assembly；The invention further relates to a kind of falling proof devices for hydraulic lifting for using the device.Cylinder barrel rack assembly and piston rod rack assembly are respectively set on the cylinder barrel of the device and First piston bar, when cylinder barrel and when First piston bar is opposing stationary or fortuitous event, elastic component collapses so that cylinder barrel rack assembly is engaged with piston rod rack assembly, so that cylinder barrel continues to keep opposing stationary with First piston bar in unexpected situations, avoid that fall event occurs.
Description
Technical field
The present invention relates to hydraulic lifting field more particularly to a kind of falling proof devices and equipment for hydraulic lifting.
Background technique
Hydraulic elevator is mainly to pass through the pressure actuation of hydraulic oil thus the function of realizing lifting, its scissor machinery knot
Structure makes elevator raising have higher stability, roomy job platform and higher bearing capacity, makes high altitude operation range more
Greatly and it is suitble to more people operation simultaneously, it keeps high altitude operation more efficient, and safety more ensures.
But unexpected power-off, hydraulic line aging, the loosening of bolt, lubricating oil feed and other reasons not in time and to cause
Contingency in the lifting process of elevator will will cause personal safety and property loss.
Need a kind of hydraulic lift of fall arrest for solving the above problems at present.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of falling proof device for hydraulic lifting, in the dress
Cylinder barrel rack assembly and piston rod rack assembly is respectively set on the cylinder barrel and First piston bar set, when cylinder barrel and First piston bar
When opposing stationary, by elastic component cylinder barrel rack assembly is engaged with piston rod rack assembly, so that in unexpected situations
Cylinder barrel keeps opposing stationary with First piston bar, avoids that fall event occurs.
The present invention provides a kind of falling proof device for hydraulic lifting, including oil cylinder, rack assembly and control assembly, institute
It states oil cylinder and connects the control assembly, the oil cylinder includes cylinder barrel and First piston bar, and the rack assembly includes cylinder barrel rack gear
Component and piston rod rack assembly, the cylinder barrel rack assembly is longitudinally mounted on the cylinder barrel along its, the piston rod rack gear
One end of component is rotationally fixed at one end of the First piston bar, the other end matching of the piston rod rack assembly
The cylinder barrel rack assembly；
The piston rod rack assembly is equipped with elastic parts, and the elastic parts connects the control assembly, the control
When component processed controls the piston rod and the cylinder barrel relative motion, the control assembly controls the elastic parts for the work
Stopper rod rack assembly bounces, so that the piston rod rack assembly is far from the cylinder barrel rack assembly；The First piston bar
When opposing stationary with the cylinder barrel, the control assembly controls the elastic parts and collapses, so that the piston rod rack gear group
Part is engaged with the cylinder barrel rack assembly.
Preferably, the piston rod rack assembly includes piston rod rack gear and the first connector, the cylinder barrel rack assembly
Including cylinder barrel rack gear and the second connector, the piston rod rack gear matches with the cylinder barrel rack gear；The tooth of the cylinder barrel rack gear
Line is respectively the first tooth trace and the second tooth trace, and the angle that first tooth trace and the oil cylinder axis are formed is first angle, institute
Stating the angle that the second tooth trace and the oil cylinder axis are formed is second angle, and the first angle is acute angle, the second angle
For non-acute angle；The first angle is located at the lower section of the second angle.
Preferably, first connector is fixedly connected with third connector, and the elastic parts is installed on the third and connects
On fitting；Second connector is fixed on the cylinder barrel by several anchor ears.
Preferably, the elastic parts includes elastic component, shell and fixing piece, and the elastic component is fixed on the shell
Interior, the shell is fixed on the third connector by the fixing piece；The direction of motion of the elastic component is perpendicular to described
The axis of cylinder barrel, the third connector includes through-hole, and the elastic component moves across the through-hole and reaches the cylinder barrel.
Preferably, the elastic component includes tension part, spring, tension rope and the first contact block, and one end of the spring is solid
Surely the tension part is connected, the other end of the spring is fixedly connected with first contact block, and one end of the tension rope is fixed
First contact block is connected, the other end of the tension rope is fixedly connected with the tension part；The First piston bar with it is described
When cylinder barrel is opposing stationary, the tension part is collapsed first contact block in the shell by the tension rope, so that
The piston rod rack gear is obtained to engage with the cylinder barrel rack gear；When the First piston bar and the cylinder barrel relative motion, the drawing
Tight part is restored the spring to original state by the tension rope, and first contact block contradicts the cylinder barrel, so that
The piston rod rack assembly rotation and the separate cylinder barrel rack assembly.
Preferably, first contact block and the close side of the cylinder barrel are equipped with idler wheel, and the idler wheel is for reducing institute
Elastic parts is stated along the frictional force in the direction of the piston rod movement.
Preferably, the elastic component includes first motor, guide sleeve, push rod and the second contact block, the first motor connection
The push rod, the push rod are installed in the guide sleeve, and second contact block is installed on one end of the push rod；Described first
When piston rod and the cylinder barrel are opposing stationary, the first motor drives the push rod to collapse in the guide sleeve；Described first
When piston rod and the cylinder barrel relative motion, the first motor drives the push rod to drive described in the second contact block conflict
Cylinder barrel, so that piston rod rack assembly rotation and the separate cylinder barrel rack assembly.
A kind of falling prevention device for hydraulic lifting, including apparatus body, the apparatus body include a kind of for liquid
Falling proof device, hydraulic pump, the first roller bearing, platform, the first track and the lifters of lifting are pressed, the hydraulic pump connects the control
Component processed, one end of the cylinder barrel are fixedly connected with first roller bearing, the rotatable connection in one end of the lifters described the
One roller bearing, the other end of the lifters are fixedly connected with the platform；The hydraulic pump drive the First piston bar with it is described
Cylinder barrel relative motion, so that first roller bearing drives the lifters to rotate and moves along first track；When described
When First piston bar and the cylinder barrel relative motion, the elastic parts bounces the piston rod rack assembly, so that institute
Stating lifters drives the platform to carry out elevating movement in the vertical direction；When the First piston bar is opposite with the cylinder barrel quiet
When only, the elastic parts is collapsed, and the piston rod rack assembly is engaged with the cylinder barrel rack assembly, so that the platform
Relatively described first track is static.
Preferably, the lifters are scissors type elevating part, and the scissors type elevating part is cut including the first scissor part, second
Fork and the first pin shaft, the first scissor part are fixed with the second scissor part by first pin shaft；The first scissor part
Or second one end of scissor part be rotationally fixed to one end of first track, the first scissor part or the second scissor part
The other end be rotationally fixed on the platform；First roller bearing drives the first scissor part or the second scissor part
One end is moved along first track, so that the first scissor part or the second scissor part drive the platform in vertical direction
Upper movement.
Preferably, the apparatus body further includes chassis, the second track, several second roller bearings and the second motor, described
Chassis includes first track, and the apparatus body is installed on second track, and the bottom end on the chassis is equipped with described
Several second roller bearings；One end of second roller bearing is equipped with first gear, and second motor includes second gear, and described the
Second gear described in one gear matches, second gear described in second motor driven drive the first gear rotation, so that
The apparatus body is obtained by second roller bearing in second moving on rails.
Compared with prior art, the beneficial effects of the present invention are:
Cylinder barrel rack assembly and piston rod rack assembly are respectively set on the cylinder barrel of the device and First piston bar, works as cylinder
Cylinder with when First piston bar is opposing stationary or fortuitous event, elastic component collapses so that cylinder barrel rack assembly and piston rod rack assembly
Engagement so that cylinder barrel continues to keep opposing stationary with First piston bar in unexpected situations avoids that fall event occurs；Work as cylinder
When cylinder is with First piston bar relative motion, elastic component separates cylinder barrel rack assembly with piston rod rack assembly, avoids cylinder barrel
Rack assembly causes lifting to influence hydraulic lifting with engaging for piston rod rack assembly.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of overall structure diagram of falling proof device for hydraulic lifting of the invention；
Fig. 2 is the enlarged drawing at a kind of A for the falling proof device of hydraulic lifting in Fig. 1 of the present invention；
Fig. 3 is a kind of structural schematic diagram of the elastic parts of the falling proof device for hydraulic lifting of the present invention；
Fig. 4 is that a kind of structure of another state of the elastic parts of the falling proof device for hydraulic lifting of the present invention is shown
It is intended to；
Fig. 5 is one in a kind of another embodiment of the elastic parts of the falling proof device for hydraulic lifting of the present invention
The structural schematic diagram of kind state；
Fig. 6 is another in a kind of another embodiment of the elastic parts of the falling proof device for hydraulic lifting of the present invention
A kind of structural schematic diagram of state；
Fig. 7 is a kind of overall structure diagram of the falling prevention device for hydraulic lifting of the present invention；
Fig. 8 is a kind of overall structure diagram of another angle of the falling prevention device for hydraulic lifting of the present invention；
Appended drawing reference: 110, first connector, 111, cylinder barrel rack assembly, the 112, first tooth trace, the 113, second tooth trace,
120, the second connector, 121, piston rod rack assembly, 130, anchor ear, 140, third connector, 150, elastic parts, 151, solid
Determine part, 152, shell, 153, tension part, 154, tension rope, 155, spring, the 156, first contact block, 157, idler wheel, 1501,
One motor, 1502, guide sleeve, 1503, push rod, the 1504, second contact block, 210, cylinder barrel, 220, First piston bar, the 230, second pin
Axis, the 240, first roller bearing, the 241, first idler wheel, the 310, first scissor part, the 320, second scissor part, the 330, first pin shaft, 410,
First track, 510, platform, the 610, second track, the 620, second roller bearing, 630, first gear.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of falling proof device for hydraulic lifting, as shown in Figure 1 and Figure 2, including oil cylinder, rack assembly and control group
Part, the oil cylinder connect the control assembly, and the oil cylinder includes cylinder barrel 210 and First piston bar 220, the rack assembly packet
Cylinder barrel rack assembly 111 and piston rod rack assembly 121 are included, the cylinder barrel rack assembly 111 is installed on the cylinder barrel 210,
One end of the piston rod rack assembly 121 is rotationally fixed at the end of the First piston bar 220, the piston rod tooth
The other end of bar assembly 121 matches the cylinder barrel rack assembly 111；
The piston rod rack assembly 121 is equipped with elastic parts 150, and the elastic parts 150 connects the control group
Part, when the control assembly controls the First piston bar 220 with 210 relative motion of cylinder barrel, the control assembly control
The elastic parts 150 bounces the piston rod rack assembly 121, so that the piston rod rack assembly 121 is far from institute
State cylinder barrel rack assembly 111；When the First piston bar 220 and the cylinder barrel 210 be opposing stationary or abnormal conditions, the control
Component controls the elastic parts 150 and collapses, so that the piston rod rack assembly 121 and the cylinder barrel rack assembly 111
Engagement.In one embodiment, by fixing rotatable piston rod rack assembly 121 in one end of First piston bar 220,
Stator bore rack assembly 111 on cylinder barrel 210, piston rod rack assembly 210 pass through the rotation of the second pin shaft 230 and cylinder barrel rack gear group
Part 111 engages, for avoiding First piston bar when cylinder barrel 210 and under First piston bar 220 is opposing stationary or fortuitous event
220 with the improper relative motion of cylinder barrel 210, cause on elevating mechanism injury to personnel or cargo impaired.In addition, working as hydraulic elevator
When structure is in lifting process, that is, cylinder barrel 210 and 220 relative motion of First piston bar during, piston rod rack assembly 121
It is engaged with cylinder barrel rack assembly 111 and the normal lifting that will affect hydraulicefficiency elevation structure is worked as into hydraulic elevator in the present embodiment
When structure starts lifting, control assembly control elastic parts 150 carries out piston rod rack assembly 121 and cylinder barrel rack assembly 111
Separation.When hydraulicefficiency elevation structure stops when lifting is First piston bar 220 and opposing stationary cylinder barrel 210 or be abnormal situation
When, control assembly controls elastic parts 150 and collapses so that piston-rack part 121 is engaged with cylinder barrel rack assembly 111.
The piston rod rack assembly 121 includes piston rod rack gear and the first connector 110, the cylinder barrel rack assembly
111 include cylinder barrel rack gear and the second connector 120, and the piston rod rack gear matches with the cylinder barrel rack gear；The cylinder barrel tooth
The tooth trace of item is respectively the first tooth trace 112 and the second tooth trace 113, the angle that first tooth trace 112 is formed with the oil cylinder axis
Degree is first angle, and the angle that second tooth trace 113 is formed with the oil cylinder axis is second angle, and the first angle is
Acute angle, the second angle are greater than the first angle.In one embodiment, as shown in Fig. 2, the cylinder barrel rack gear and piston
Bar rack gear is helical rack, and first angle is acute angle, and optimized angle is 30 °, and second angle is preferably close to the angle at right angle.So
The matched piston rod rack gear of cylinder barrel rack gear engages stronger.
First connector 110 is fixedly connected with third connector 140, and the elastic parts 150 is installed on the third
The end of connector 140；Second connector 120 is fixed on the cylinder barrel 210 by several anchor ears 130.One
In a embodiment, First piston bar 220 does piston motion in cylinder barrel 210, and First piston bar 220 transports function, cylinder with respect to cylinder barrel 210
Cylinder 210 does not change, therefore the second connector 120 is fixed on cylinder barrel 210 by several anchor ears 130；Piston rod rack gear
Component 121 and cylinder barrel rack assembly 111 are preferably two, are separately fixed at the two sides of First piston bar 220 Yu cylinder barrel 210；Two
It is connected between a piston rod rack assembly 121 by third connector 140, and elastic parts 150 is set to third connector 140
On.
The elastic parts 150 includes elastic component, shell 152 and fixing piece 151, and the elastic component is fixed on the shell
In 152, the shell 152 is fixed on the third connector 140 by the fixing piece 151；The movement side of the elastic component
To the axis perpendicular to the cylinder barrel 210, the third connector 140 includes through-hole, and the elastic component moves across described logical
Hole reaches the cylinder barrel 210.
In one embodiment, as shown in Figure 3, Figure 4, the elastic component includes tension part 153, spring 155, tension rope
154 and first contact block 156, one end of the spring 155 is fixedly connected with the tension part 153, the other end of the spring 155
It is fixedly connected with first contact block 156, one end of the tension rope 154 is fixedly connected with first contact block 156, the drawing
The other end of tight rope 154 is fixedly connected with the tension part 153；The First piston bar 220 and the cylinder barrel 210 it is opposing stationary or
When abnormal conditions, the tension part 153 is collapsed first contact block 156 in the shell 152 by the tension rope 154
It is interior, so that the piston rod rack gear is engaged with the cylinder barrel rack gear；The First piston bar 220 is opposite with the cylinder barrel 210
When movement, the tension part 153 is restored the spring 155 to original state, first contact by the tension rope 154
Block 156 contradicts the cylinder barrel 210, so that the piston rod rack assembly 121 rotation and the separate cylinder barrel rack assembly
111。
It should be noted that being equipped with the second motor in tension part, the second motor is used for the tightening of tension rope and loosens.Separately
Outer second motor is also used as the applying part of piston rod rack assembly, therefore elastic parts is installed on to the end of third connector
End is conducive to piston rod rack assembly and preferably engages with cylinder barrel rack assembly；Whether need separately to add weight can be according to piston again
Depending on the material of bar rack assembly is specific.
Further, first contact block 156 is equipped with idler wheel 157, the idler wheel with the close side of the cylinder barrel 210
157 for reducing the frictional force in direction of the elastic parts 150 along the piston rod movement.In the present embodiment, it first connects
Contact block 156 contradicts cylinder barrel 210, so that piston rod rack assembly 121 is supported far from cylinder barrel rack assembly 111 in the first contact block 156
During touching cylinder barrel 210, First piston bar 220 is moved with respect to cylinder barrel 210, and the movement of First piston bar 220 will drive piston rod
Rack assembly is moved along 210 axis direction of cylinder barrel, and the first contact block 156 generates frictional force with 210 surface of cylinder barrel at this time, first
Contact block 156, which is equipped with idler wheel 157, can reduce frictional force.In another embodiment, it is arranged on the surface of cylinder barrel 210 and slides
Road, for reducing the frictional force between 210 surface of the first contact block and cylinder barrel.
In a further advantageous embodiment, as shown in Figure 5, Figure 6, the elastic component includes first motor 1501, guide sleeve
1502, push rod 1503 and the second contact block 1504, the first motor 1501 connect the push rod 1503, and the push rod 1503 is pacified
Loaded in the guide sleeve 1502, second contact block 1504 is installed on one end of the push rod 1503；The First piston bar
220 with the cylinder barrel 210 it is opposing stationary when, the first motor 1501 drives the push rod 1503 to collapse to the guide sleeve 1502
It is interior；When the First piston bar 220 is with 210 relative motion of cylinder barrel, the first motor 1501 drives the push rod 1503
Second contact block 1504 is driven to contradict the cylinder barrel 210, so that piston rod rack assembly rotation is simultaneously far from described
Cylinder barrel rack assembly.In the present embodiment, the second contact block 1504 equally can be set to be arranged on idler wheel and cylinder barrel 210 and slide
Road is used to reduce the frictional force between the second contact block and cylinder barrel.
It should be noted that the purpose of elastic parts 150 is incited somebody to action when First piston bar 220 is moved relative to cylinder barrel 210
Piston rod rack assembly 121 is far from cylinder barrel rack assembly 111；First piston bar 220 and cylinder barrel 210 be opposing stationary or abnormal feelings
When condition, piston rod rack assembly 121 is engaged with cylinder barrel rack assembly 111, for prevent that elevating mechanism from falling and cause personnel by
Wound or cargo damage.
A kind of falling prevention device for hydraulic lifting, as shown in Figure 7, Figure 8, including apparatus body, the apparatus body
Including a kind of for the falling proof device of hydraulic lifting, hydraulic pump (not shown), the first roller bearing 240, platform 510, first
Track 410 and lifters, the hydraulic pump connect the control assembly, and one end of the cylinder barrel 210 is fixedly connected with described first
Roller bearing 240, rotatable connection first roller bearing 240 in one end of the lifters, the other end of the lifters is fixed to be connected
Connect the platform 510；The hydraulic pump drives the First piston bar 220 and 210 relative motion of cylinder barrel, so that described
First roller bearing 240 drives the lifters to rotate and moves along first track 410；When the First piston bar 220 and institute
When stating 210 relative motion of cylinder barrel, the elastic parts 150 bounces the piston rod rack assembly 121, so that the lifting
Part drives the platform 510 to carry out elevating movement in the vertical direction；When the First piston bar 220 and 210 phase of cylinder barrel
When to static or abnormal conditions, the elastic parts 150 is collapsed, the piston rod rack assembly 121 and the cylinder barrel rack gear group
Part 111 engages, so that relatively described first track 410 of the platform 510 is static.
In a preferred embodiment, the lifters are scissors type elevating part, and the scissors type elevating part includes first
Scissor part 310, the second scissor part 320 and the first pin shaft 330, the first scissor part 310 and the second scissor part 320 pass through described
First pin shaft 330 is fixed；One end of the first scissor part 310 or the second scissor part 320 is rotationally fixed to described first
The other end of one end of track 410, the first scissor part 310 or the second scissor part 320 is rotationally fixed to the platform
On 510；First roller bearing 240 drives one end of the first scissor part 310 or the second scissor part 320 along first track
410 movements, so that the first scissor part 310 or the second scissor part 320 drive the platform 510 to transport in the vertical direction
It is dynamic.
In one embodiment, the apparatus body further includes chassis, the second track 610,620 and of several second roller bearings
Second motor, the chassis include first track 410, and the apparatus body is installed on second track 610, described
The bottom end on chassis is equipped with several described second roller bearings 620；One end of second roller bearing 620 is equipped with first gear 630, described
Second motor connects second gear, and the first gear 630 matches the second gear, second described in second motor driven
Gear drives the first gear 630 to rotate, so that the apparatus body is by second roller bearing 620 in second rail
It is moved on road 610.In another embodiment, apparatus body includes idler wheel and steering yoke, and idler wheel is set to the bottom of apparatus body
End, steering yoke are used to control the direction of motion of apparatus body.Above-mentioned two embodiment can all realize the movement of apparatus body, improve
The working efficiency of elevating mechanism.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All current rows
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution is equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention
The variation, modification and evolution etc. of any equivalent variations to the above embodiments, still fall within technical solution of the present invention
Within protection scope.
Claims (10)
1. a kind of falling proof device for hydraulic lifting, which is characterized in that including oil cylinder, rack assembly and control assembly, institute
It states oil cylinder and connects the control assembly, the oil cylinder includes cylinder barrel and First piston bar, and the rack assembly includes cylinder barrel rack gear
Component and piston rod rack assembly, the cylinder barrel rack assembly are installed on the cylinder barrel, and the one of the piston rod rack assembly
End is rotationally fixed at the end of the First piston bar, and the other end of the piston rod rack assembly matches the cylinder barrel tooth
Bar assembly；
The piston rod rack assembly is equipped with elastic parts, and the elastic parts connects the control assembly, the control group
When part controls the First piston bar and the cylinder barrel relative motion, the control assembly controls the elastic parts for the work
Stopper rod rack assembly bounces, so that the piston rod rack assembly is far from the cylinder barrel rack assembly；The First piston bar
With when the cylinder barrel is opposing stationary or abnormal conditions, the control assembly controls the elastic parts and collapses, so that the work
Stopper rod rack assembly is engaged with the cylinder barrel rack assembly.
2. a kind of falling proof device for hydraulic lifting as described in claim 1, which is characterized in that the piston rod rack gear
Component includes piston rod rack gear and the first connector, and the cylinder barrel rack assembly includes cylinder barrel rack gear and the second connector, described
Piston rod rack gear matches with the cylinder barrel rack gear；The tooth trace of the cylinder barrel rack gear includes the first tooth trace and the second tooth trace, described
The angle that first tooth trace and the oil cylinder axis are formed is first angle, the angle that second tooth trace and the oil cylinder axis are formed
Degree is second angle, and the first angle is acute angle, and the second angle is greater than the first angle.
3. a kind of falling proof device for hydraulic lifting as claimed in claim 2, which is characterized in that first connector
It is fixedly connected with third connector, the elastic parts is installed on the end of the third connector；Second connector is logical
Several anchor ears are crossed to be fixed on the cylinder barrel.
4. a kind of falling proof device for hydraulic lifting as claimed in claim 3, which is characterized in that the elastic parts packet
Elastic component, shell and fixing piece are included, the elastic component is fixed in the shell, and the shell is fixed on institute by the fixing piece
It states on third connector；For the direction of motion of the elastic component perpendicular to the axis of the cylinder barrel, the third connector includes logical
Hole, the elastic component move across the through-hole and reach the cylinder barrel.
5. a kind of falling proof device for hydraulic lifting as claimed in claim 4, which is characterized in that the elastic component includes
Tension part, spring, tension rope and the first contact block, one end of the spring are fixedly connected with the tension part, the spring it is another
One end is fixedly connected with first contact block, and one end of the tension rope is fixedly connected with first contact block, the tension rope
The other end be fixedly connected with the tension part；The First piston bar and when the cylinder barrel is opposing stationary or abnormal conditions, it is described
Tension part is collapsed first contact block in the shell by the tension rope, so that the piston rod rack gear and institute
State the engagement of cylinder barrel rack gear；When the First piston bar and the cylinder barrel relative motion, the tension part will by the tension rope
The spring restores to original state, and first contact block contradicts the cylinder barrel, so that the piston rod rack assembly is revolved
Turn and far from the cylinder barrel rack assembly.
6. a kind of falling proof device for hydraulic lifting as claimed in claim 5, which is characterized in that first contact block
It is equipped with idler wheel with the close side of the cylinder barrel, the idler wheel is for reducing the elastic parts along the side of the piston rod movement
To frictional force.
7. a kind of falling proof device for hydraulic lifting as claimed in claim 4, which is characterized in that the elastic component includes
First motor, guide sleeve, push rod and the second contact block, the first motor connect the push rod, and the push rod is installed on described lead
In set, second contact block is installed on one end of the push rod；When the First piston bar and the cylinder barrel are opposing stationary, institute
Stating first motor drives the push rod to collapse in the guide sleeve；When the First piston bar and the cylinder barrel relative motion, institute
Stating first motor drives the push rod that second contact block is driven to contradict the cylinder barrel, so that the piston rod rack assembly
It rotates and far from the cylinder barrel rack assembly.
8. a kind of falling prevention device for hydraulic lifting, which is characterized in that including apparatus body, the apparatus body includes such as
It is described in claim 1 a kind of for the falling proof device of hydraulic lifting, hydraulic pump, the first roller bearing, platform, the first track and liter
Part drops, and the hydraulic pump connects the control assembly, and one end of the cylinder barrel is fixedly connected with first roller bearing, the lifters
The rotatable connection in one end first roller bearing, the other end of the lifters is fixedly connected with the platform；The hydraulic pump
The First piston bar and the cylinder barrel relative motion are driven, so that first roller bearing drives the lifters rotation and edge
The first track movement；When the First piston bar and when the cylinder barrel relative motion, the elastic parts is by the piston
Bar rack assembly bounces, so that the lifters drive the platform to carry out elevating movement in the vertical direction；When described
One piston rod and when the cylinder barrel is opposing stationary or abnormal conditions, the elastic parts collapses, the piston rod rack assembly with
The cylinder barrel rack assembly engagement, so that relatively described first track of the platform is static.
9. a kind of falling prevention device for hydraulic lifting as claimed in claim 8, which is characterized in that the lifters are to cut
Fork elevating part, the scissors type elevating part include the first scissor part, the second scissor part and the first pin shaft, the first scissor part
It is fixed with the second scissor part by first pin shaft；One end of the first scissor part or the second scissor part is rotatably fixed
In one end of first track, the other end of the first scissor part or the second scissor part is rotationally fixed to the platform
On；First roller bearing drives one end of the first scissor part or the second scissor part to move along first track, so that
The first scissor part or the second scissor part drive the platform to move in the vertical direction.
10. a kind of falling prevention device for hydraulic lifting as claimed in claim 8, which is characterized in that the apparatus body
It further include chassis, the second track, several second roller bearings and the second motor, the chassis includes first track, described to set
Standby ontology is installed on second track, and the bottom end on the chassis is equipped with several described second roller bearings；Second roller bearing
One end be equipped with first gear, second motor connects second gear, and the first gear matches the second gear, described
Second gear described in second motor driven drives the first gear rotation, so that the apparatus body is rolled by described second
Axis is in second moving on rails.
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| CN201910434193.4A CN110228763A (en) | 2019-05-23 | 2019-05-23 | A kind of falling proof device and equipment for hydraulic lifting |
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| CN201910434193.4A CN110228763A (en) | 2019-05-23 | 2019-05-23 | A kind of falling proof device and equipment for hydraulic lifting |
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| CN110228763A true CN110228763A (en) | 2019-09-13 |
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| CN201910434193.4A Pending CN110228763A (en) | 2019-05-23 | 2019-05-23 | A kind of falling proof device and equipment for hydraulic lifting |
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| CN110835069A (en) * | 2019-10-30 | 2020-02-25 | 江苏力维液压装备有限公司 | Hydraulic elevator with self-locking device |
| CN113336127A (en) * | 2021-06-24 | 2021-09-03 | 江苏锐志岩土工程有限公司 | Supporting layer jacking device |
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Application publication date: 20190913 |
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