CN209291856U - A kind of farm's lifting device - Google Patents
A kind of farm's lifting device Download PDFInfo
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- CN209291856U CN209291856U CN201822195671.4U CN201822195671U CN209291856U CN 209291856 U CN209291856 U CN 209291856U CN 201822195671 U CN201822195671 U CN 201822195671U CN 209291856 U CN209291856 U CN 209291856U
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- pulley
- farm
- lifting device
- pulley assembly
- wirerope
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Abstract
The utility model discloses a kind of farm's lifting devices, including installing shell, hoisting mechanism and wirerope, the hoisting mechanism is set in installation shell, one end of wirerope is power end, the other end is to promote end, power end is connected with hoisting mechanism, and straight reciprocating motion is done in vertical direction under the drive of hoisting mechanism, end is promoted to be connected with the object to be lifted, it further include the pulley assembly being arranged along the vertical direction, the pulley assembly and installation shell rotation connection, the pulley assembly includes pulley bracket, rotation is equipped with pulley in pulley bracket, the end that promoted of wirerope extends around after pulley to horizontal direction along the tangential direction of pulley, and pulley assembly can rotate in the horizontal plane around the connecting fulcrum of pulley assembly and installation shell.Farm's lifting device provided by the utility model, for farm's relevant device promoted when, the lead of the wirerope of lifting device always be elevated the input lifting force direction of device point-blank.
Description
Technical field
The utility model relates to a kind of lifting devices, specifically, are to be related to a kind of farm's lifting device, belong to cultivation
Equipment technical field.
Background technique
Many occasions can use lifting device in farm, such as adjust roller shutter, air-inlet window unlatching greatly using lifting device
It is small or using lifting device realize stockline feed intake into breeding house.The lifting force of lifting device is usually sliding by steel wire penetrating
Wheel output, existing lifting device installation accuracy is required it is relatively high, it is difficult to ensure that the lead of wirerope and being elevated device
Input lifting force direction point-blank, if the lead of the wirerope of lifting device is mentioned with the input for being elevated device
Not point-blank, wirerope is easy to deviate from from the groove of pulley under the action of torsion in lift direction, is stuck in pulley branch
In frame, lifting device failure is caused.
Utility model content
In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of farm promotion dresses
It sets.
To solve the above problems, the utility model adopts the following technical solution:
A kind of farm's lifting device, including installation shell, hoisting mechanism and wirerope, the hoisting mechanism are set to peace
In casing, one end of the wirerope is power end, and the other end is to promote end, and power end is connected with hoisting mechanism, and is mentioning
It rises and does straight reciprocating motion in vertical direction under the drive of mechanism, promote end and be connected with the object to be lifted；It is characterized by also including
The pulley assembly being arranged along the vertical direction, the pulley assembly and installation shell rotation connection, the pulley assembly includes pulley
Bracket, the interior rotation of pulley bracket are equipped with pulley, and wirerope promotes end along the tangential direction of pulley around Xiang Shuiping after pulley
Direction extends, and pulley assembly can rotate in the horizontal plane around the connecting fulcrum of pulley assembly and installation shell.
As a kind of embodiment, two groups of pulley assemblies bilateral symmetry is set to the top of installation shell, and pulley assembly can be around
The connecting fulcrum of pulley assembly and installation shell rotates in the horizontal plane.
Preferably, using pulley assembly, positive direction is in direction of rotation inwardly, and direction of rotation is negative direction outward,
The rotation angle of pulley assembly is -90 °~90 °.
As further preferred scheme, two groups of pulley assembly bilateral symmetries are set to the top side of installation shell, and pulley
There are revolution space between the bottom and installation shell of component, the rotation angle of pulley assembly is -22 °~90 °.
It further include pulley fixing pipe as a kind of embodiment, it is outer that the pulley fixing pipe is set to installation along the vertical direction
The top of shell, the pulley bracket are axially sheathed on the outside of pulley fixing pipe, and the pulley assembly can exist around pulley fixing pipe
It is rotated on horizontal plane.
As a kind of embodiment, guide groove is equipped in the installation shell, the hoisting mechanism is set in guide groove, institute
Stating hoisting mechanism includes screw rod, and the end of the screw rod is connected with driving mechanism, and the screw rod is set to guide groove along the vertical direction
It is interior, feed screw nut is axially arranged on the screw rod, the feed screw nut is connected with sliding block, the power end and sliding block of the wirerope
It is connected, the sliding block can do straight reciprocating motion in vertical direction along screw rod.
Preferably, the driving mechanism includes driving motor and shaft coupling, and the screw rod is by shaft coupling and drives
Dynamic motor connection.
Preferably, the hoisting mechanism is equipped with range controlling mechanism.
As further preferred scheme, the range controlling mechanism includes the guiding being set in guide groove along the vertical direction
Bar, the guide rod passes through sliding block and the top of guide rod is equipped with upper limit position block, and lower part is equipped with lower position block, the upper limit position block
It is located above and below sliding block with lower position block.
As further preferred scheme, the guide rod is equipped with microswitch and microswitch trigger assembly, described micro-
Dynamic switch and microswitch trigger assembly are located at the lower section of lower position block, and the microswitch is electrically connected with driving mechanism, described
Microswitch and microswitch trigger assembly connect.
As further preferred scheme, the lower end of the guide groove is equipped with the installation base plate of horizontal direction, the guide rod
Be arranged on installation base plate, the microswitch trigger assembly from bottom to top successively include handle, lower elastic telescopic mechanism and on
Elastic telescopic mechanism, the upper elastic telescopic mechanism and lower elastic telescopic mechanism are respectively arranged on the upper and lower two sides of installation base plate, institute
The one end for stating handle is connected with guide rod, and the other end is horizontally through the side wall of guide groove, and microswitch is located at the upper of handle
Lower two sides, and connect with handle contact.
It further include outer cover plate as a kind of embodiment, the outer cover plate is detachably connected with installation shell.
Compared to the prior art, the advantageous effects of the utility model are:
Farm's lifting device provided by the utility model, since pulley assembly can be around the company of pulley assembly and installation shell
Fulcrum is connect to rotate in the horizontal plane, so that when the lifting device is promoted for farm's relevant device, the steel of lifting device
The lead of cord always be elevated device input lifting force direction point-blank, can effectively prevent because of wirerope
Abjection is stuck in pulley bracket and causes lifting device failure from the groove of pulley under the action of torsion, effectively increases whole
The operation stability of a device, and structure is simple, easy to accomplish, has application value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of farm's lifting device provided by the embodiment of the utility model；
Fig. 2 is the side view of farm's lifting device provided by the embodiment of the utility model；
Fig. 3 is that farm's lifting device provided by the embodiment of the utility model removes the structural schematic diagram after outer cover plate；
Fig. 4 be Fig. 1 in A-A to sectional view；
Fig. 5 is schematic diagram of Fig. 4 middle pulley component under different rotary state；
Fig. 6 is the structural schematic diagram of the utility model embodiment middle pulley component；
Figure label is schematically as follows: 1, installing shell；11, guide groove；12, installation base plate；2, hoisting mechanism；21, screw rod；
22, feed screw nut；23, sliding block；3, wirerope；31, the power end of wirerope；32, the promotion end of wirerope；4, pulley assembly；
41, pulley bracket；42, pulley；5, pulley fixing pipe；6, driving mechanism；61, driving motor；62, shaft coupling；7, stroke controls
Mechanism；71, guide rod；72, upper limit position block；73, lower position block；74, microswitch；75, microswitch trigger assembly；751, hand
Handle；752, lower elastic telescopic mechanism；753, upper elastic telescopic mechanism；8, outer cover plate；9, connector；O, connecting fulcrum；α, rotation
Angle；A, pulley assembly rotates 0 ° of state；B, pulley assembly rotates -22 ° of state；C, the state that pulley assembly is rotated by 90 °.
Specific embodiment
The technical solution of the utility model is described in further detail below in conjunction with drawings and examples.
Embodiment
Incorporated by reference to shown in Fig. 1 to Fig. 6: a kind of farm's lifting device provided by the utility model, including installation shell
1, hoisting mechanism 2, wirerope 3 and the pulley assembly 4 being arranged along the vertical direction, the hoisting mechanism 2 are set in installation shell 1,
One end of the wirerope 3 is power end 31, and the other end is to promote end 32, and power end 31 is connected with hoisting mechanism 2, and is being promoted
Do straight reciprocating motion in vertical direction under the drive of mechanism 2, promote end 32 and be connected with the object to be lifted, the pulley assembly 4 and
Shell 1 is installed to be rotatablely connected, the pulley assembly 4 includes pulley bracket 41, and rotation is equipped with pulley 42, steel wire in pulley bracket 41
The end 32 that promoted of rope 3 extends around after pulley 42 to horizontal direction along the tangential direction of pulley 42, and pulley assembly 4 can be around cunning
Wheel assembly 4 and the connecting fulcrum O of installation shell 1 rotate in the horizontal plane.
When farm described in the utility model is used to promote object with lifting device: the promotion end 32 of wirerope 3 with to
Promotion object (such as: the roller shutter etc. in farm) it is connected, start hoisting mechanism 2, the promotion end 32 of wirerope 3 is in hoisting mechanism 2
Straight reciprocating motion is done in vertical direction under drive, by the object to be lifted pull-up or can be put down, and due to the promotion of wirerope 3
End 32 extends around after pulley 42 to horizontal direction along the tangential direction of pulley 42, and pulley assembly 4 can around pulley assembly 4 with
The connecting fulcrum O of installation shell 1 rotates in the horizontal plane, therefore, the rotation angle of adjustable pulley assembly 4 in lifting process
Make the lead of wirerope 3 always with the input lifting force direction of the object to be lifted point-blank, so as to effectively prevent
Because wirerope 3 under the action of torsion from the groove of pulley 42 abjection be stuck in pulley bracket 41 and cause lifting device therefore
Barrier.
In conjunction with Fig. 1 to Fig. 3 as it can be seen that two groups of 4 bilateral symmetries of pulley assembly are set to the top of installation shell 1, pulley assembly 4 can
It is rotated in the horizontal plane around pulley assembly 4 and the connecting fulcrum O of installation shell 1, two different the object to be lifted can be promoted simultaneously,
Raising efficiency is high.
In the utility model, using pulley assembly 4, positive direction is in direction of rotation inwardly, and direction of rotation is losing side outward
To the rotation angle [alpha] of pulley assembly 4 is -90 °~90 °.In the present embodiment, in conjunction with Fig. 1 to Fig. 5 as it can be seen that two groups of pulley assemblies 4
Bilateral symmetry is set to the top side of installation shell 1, and there are revolution space between the bottom of pulley assembly 4 and installation shell 1,
Between the bottom of pulley assembly 4 and installation shell 1 there are the size of revolution space determine the rotation outward of pulley assembly 4
Angle, installation shell 1 be also possible to prevent to a certain extent pulley assembly 4 excessively rotate, the limit that pulley assembly 4 is played
It acts on, in the present embodiment, maximum rotation angle is set as -22 ° to pulley assembly 4 outward, in the rotation angle for guaranteeing pulley assembly 4
Under the premise of degree can satisfy the use demand, the stability of equilibrium of equipment entirety ensure that, while reducing mention to a certain extent
The installation requirement of device is risen, correspondingly, the rotation angle [alpha] of pulley assembly 4 is -22 °~90 ° in the present embodiment, it is easy to accomplish,
It is applied widely, it is specific as shown in figure 5, A indicates that pulley assembly 4 rotates 0 ° of state, and B indicates that pulley assembly 4 revolves in Fig. 5
Turn -22 ° of state, C indicates the state that pulley assembly 4 is rotated by 90 °, it is seen that 4 rotating range of pulley assembly is wider, convenient for being promoted
Adjusted in journey pulley assembly 4 rotation angle make the lead of wirerope 3 always with the input lifting force direction of the object to be lifted
Point-blank.
In conjunction with Fig. 4 and Fig. 6 as it can be seen that farm lifting device further includes pulley fixing pipe 5, the pulley is fixed
Pipe 5 is set to the top of installation shell 1, the axial outside for being sheathed on pulley fixing pipe 5 of the pulley bracket 41, institute along the vertical direction
Stating pulley assembly 4 (pulley bracket 41 and pulley 42) can rotate in the horizontal plane around pulley fixing pipe 5.Pulley fixing pipe 5 and cunning
The junction of wheel support 41 that is, pulley assembly 4 and installation shell 1 connecting fulcrum O so that pulley assembly 4 and installation are outer
Connection between shell 1 is more firm.
As shown in figure 3, being equipped with guide groove 11 in the installation shell 1, the hoisting mechanism 2 is set in guide groove 11, institute
Stating hoisting mechanism 2 includes screw rod 21, and the end of the screw rod 21 is connected with driving mechanism 6, and the screw rod 21 is set along the vertical direction
In in guide groove 11, being axially arranged with feed screw nut 22 on the screw rod 21, the feed screw nut 22 is connected with sliding block 23, the steel
The power end 31 of cord 3 is connected with sliding block 23, and the sliding block 23 can be along screw rod 21 (that is, along guide groove 11) perpendicular
Histogram is to doing straight reciprocating motion.Start driving mechanism 6, driving mechanism 6 drive screw rod 21, screw rod 21 drive feed screw nut 22 and
Sliding block 23 does straight reciprocating motion in vertical direction along screw rod 21, and then drives the power end 31 of wirerope 3 in vertical direction
Straight reciprocating motion is done, to realize the pull-up for the object to be lifted being connected with wirerope 3 or put down.The setting of guide groove 11,
Not only have guiding performance, and plays a protective role to components such as screw rod 21, the sliding blocks 23 being set in guide groove 11.
The driving mechanism 6 is using conventional driving mechanism, and in the present embodiment, the driving mechanism 6 includes driving
Motor 61 and shaft coupling 62, the screw rod 21 are connect by shaft coupling 62 with driving motor 61.
As shown in figure 3, the hoisting mechanism 2 is equipped with range controlling mechanism 7, to control the expanded reach of hoisting mechanism 2,
It prevents hoisting mechanism 2 from excessively being promoted, plays a protective role to a whole set of lifting device, strengthen the stability of package unit operation.
In the present embodiment, the range controlling mechanism 7 includes the guide rod 71 being set in guide groove 11 along the vertical direction, institute
Guide rod 71 is stated across sliding block 23 and the top of guide rod 71 is equipped with upper limit position block 72, lower part is equipped with lower position block 73, it is described on
Limited block 72 and lower position block 73 are located above and below sliding block 23, and the range of operation of sliding block 23 is defined in upper limit
Between block 72 and lower position block 73, and then play the role of limiting the whole lift stroke of hoisting mechanism 2, prevents 2 mistake of hoisting mechanism
Degree is promoted.
Further, the guide rod 71 is equipped with microswitch 74 and microswitch trigger assembly 75, and the fine motion is opened
Pass 74 and microswitch trigger assembly 75 are located at the lower section of lower position block 73, and the microswitch 74 is electrically connected with driving mechanism 6
(being specifically electrically connected with driving motor 61), the microswitch 74 and microswitch trigger assembly 75 connect.It was promoted
Cheng Zhong, driving mechanism 6 are slided up and down with movable slider 23 along screw rod 21, and wirerope 3 also moves up and down therewith, when sliding block 23 slides
When encountering upper limit position block 72 or lower position block 73 in the process, sliding block 23 and upper limit position block 72 or lower position block 73 are had an effect power,
Upper limit position block 72 or lower position block 73 conduct active force to guide rod 71, and then conduct to microswitch trigger assembly 75,
Then microswitch trigger assembly 75 triggers microswitch 74, and microswitch 74 controls the closing of driving mechanism 6, and (specific control is driven
Dynamic motor 61 is closed), equipment is integrally out of service, and wirerope 3 stops movement, to limit the shift motion of wirerope 3, limits
The lift stroke for having determined hoisting mechanism 2 prevents equipment beyond rated travel.
The lower end of the guide groove 11 is equipped with the installation base plate 12 of horizontal direction, and the guide rod 71 is arranged in installation base plate
On 12, the microswitch trigger assembly 75 successively includes handle 751, lower elastic telescopic mechanism 752 and upper elasticity from bottom to top
Telescoping mechanism 753, the upper elastic telescopic mechanism 752 and lower elastic telescopic mechanism 753 are respectively arranged on the upper and lower of installation base plate 12
One end of two sides, the handle 751 is connected with guide rod 71, and the other end is horizontally through the side wall of guide groove 11, microswitch 74
The two sides up and down of handle 751 are located at, and are connected with handle 751.Driving mechanism 6 is with movable slider 23 along on screw rod 21
Lower slider, wirerope 3 also move up and down therewith, when encountering upper limit position block 72 or lower position block 73 in 23 sliding process of sliding block,
Sliding block 23 and upper limit position block 72 or lower position block 73 have an effect power, upper limit position block 72 or lower position block 73 by active force conduct to
On guide rod 71, and then conduct the lower elastic telescopic mechanism to microswitch trigger assembly 75, in microswitch trigger assembly 75
752 or upper elastic telescopic mechanism 753 elastic telescopic occurs, and then be in contact with fixed handle 751 with microswitch 74, microswitch
74 be triggered after control driving mechanism 6 close (specific control driving motor 61 close), equipment is integrally out of service；Equipment is stopped
After only restarting again, under the action of lower elastic telescopic mechanism 752 or upper elastic telescopic mechanism 753, microswitch triggering group
Part 75 and microswitch 74 restore to the original state again, and equipment operates normally, 3 normal movement of sliding block 23 and wirerope.Lower elastic telescopic
So that equipment has auto-reset function, use is more convenient for the setting of mechanism 752 and upper elastic telescopic mechanism 753.
In conjunction with Fig. 1 to Fig. 3 as it can be seen that farm lifting device further includes outer cover plate 8, the outer cover plate 8 and installation
Shell 1 is detachably connected, and in the present embodiment, outer cover plate 8 is removably set to the opening portion of guide groove 11, to set on guide groove 11
Interior associated components play a protective role, and keep lifting device operation more reliable, improve the service life of lifting device.Described can
Dismantling connection, using universal detachable connection type, in the present embodiment, outer cover plate 8 and installation 1 grafting of shell, dismounting side
Just, operation is maintained easily.
In addition, the outer cover plate 8 is fixedly connected with installation shell 1 by connector 9 in the present embodiment.It can make outer cover plate
It is more firm to install, and prevents outer cover plate from shaking.Connector 9 uses commercially available general part.
It is last it is necessarily pointed out that: the foregoing is merely the preferable specific embodiments of the utility model, but this
The protection scope of utility model is not limited thereto, and anyone skilled in the art discloses in the utility model
In technical scope, any changes or substitutions that can be easily thought of, should be covered within the scope of the utility model.
Claims (10)
1. a kind of farm's lifting device, including installation shell, hoisting mechanism and wirerope, the hoisting mechanism are set to installation
In shell, one end of the wirerope is power end, and the other end is to promote end, and power end is connected with hoisting mechanism, and is being promoted
Straight reciprocating motion is done in vertical direction under the drive of mechanism, end is promoted and is connected with the object to be lifted；It is characterized by also including edges
The pulley assembly of vertical direction setting, the pulley assembly and installation shell rotation connection, the pulley assembly includes pulley branch
Frame, rotation is equipped with pulley in pulley bracket, wirerope promoted end along the tangential direction of pulley around after pulley to level side
To extension, and pulley assembly can rotate in the horizontal plane around the connecting fulcrum of pulley assembly and installation shell.
2. farm's lifting device according to claim 1, it is characterised in that: two groups of pulley assembly bilateral symmetries are set to
The top of shell is installed, pulley assembly can rotate in the horizontal plane around the connecting fulcrum of pulley assembly and installation shell.
3. farm's lifting device according to claim 2, it is characterised in that: with pulley assembly direction of rotation inwardly
For positive direction, direction of rotation is negative direction outward, and the rotation angle of pulley assembly is -90 °~90 °.
4. farm's lifting device according to claim 1, it is characterised in that: further include pulley fixing pipe, the cunning
Wheel fixing pipe is set to the top of installation shell along the vertical direction, and the pulley bracket is axially sheathed on the outside of pulley fixing pipe,
The pulley assembly can rotate in the horizontal plane around pulley fixing pipe.
5. farm's lifting device according to claim 1, it is characterised in that: be equipped with guiding in the installation shell
Slot, the hoisting mechanism are set in guide groove, and the hoisting mechanism includes screw rod, and the end of the screw rod is connected with driving machine
Structure, the screw rod are set in guide groove along the vertical direction, and feed screw nut, feed screw nut's connection are axially arranged on the screw rod
There is sliding block, the power end of the wirerope is connected with sliding block, and the sliding block can do linear reciprocation fortune in vertical direction along screw rod
It is dynamic.
6. farm's lifting device according to claim 5, it is characterised in that: the hoisting mechanism is equipped with stroke control
Mechanism processed.
7. farm's lifting device according to claim 6, it is characterised in that: the range controlling mechanism includes along perpendicular
Histogram is to the guide rod being set in guide groove, and the guide rod passes through sliding block and the top of guide rod is equipped with upper limit position block, lower part
Equipped with lower position block, the upper limit position block and lower position block are located above and below sliding block.
8. farm's lifting device according to claim 7, it is characterised in that: the guide rod is equipped with microswitch
With microswitch trigger assembly, the microswitch and microswitch trigger assembly are located at the lower section of lower position block, the fine motion
Switch is electrically connected with driving mechanism, and the microswitch and microswitch trigger assembly connect.
9. farm's lifting device according to claim 8, it is characterised in that: the lower end of the guide groove is equipped with level
The installation base plate in direction, the guide rod are arranged on installation base plate, and the microswitch trigger assembly successively wraps from bottom to top
Include handle, lower elastic telescopic mechanism and upper elastic telescopic mechanism, the upper elastic telescopic mechanism and lower elastic telescopic mechanism difference
Set on the upper and lower two sides of installation base plate, one end of the handle is connected with guide rod, and the other end is horizontally through the side of guide groove
Wall, microswitch are located at the two sides up and down of handle, and connect with handle contact.
10. farm's lifting device according to claim 1, it is characterised in that: it further include outer cover plate, the outer cover plate
It is detachably connected with installation shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195671.4U CN209291856U (en) | 2018-12-26 | 2018-12-26 | A kind of farm's lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822195671.4U CN209291856U (en) | 2018-12-26 | 2018-12-26 | A kind of farm's lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209291856U true CN209291856U (en) | 2019-08-23 |
Family
ID=67648900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822195671.4U Active CN209291856U (en) | 2018-12-26 | 2018-12-26 | A kind of farm's lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209291856U (en) |
-
2018
- 2018-12-26 CN CN201822195671.4U patent/CN209291856U/en active Active
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