CN208995058U - A kind of lifting device with self-locking function - Google Patents
A kind of lifting device with self-locking function Download PDFInfo
- Publication number
- CN208995058U CN208995058U CN201821816267.8U CN201821816267U CN208995058U CN 208995058 U CN208995058 U CN 208995058U CN 201821816267 U CN201821816267 U CN 201821816267U CN 208995058 U CN208995058 U CN 208995058U
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- Prior art keywords
- self
- turbine
- bull stick
- fixed frame
- locking function
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Abstract
The utility model discloses a kind of lifting devices with self-locking function, including pedestal, it is fixedly connected at the top of pedestal with rack, fixed frame is fixedly connected on the right side of the rack, fixed frame is in inverted "L" shape, inverted "L" shape fixed frame inside top is equipped with deep groove ball bearing, it is mounted on the inner ring of deep groove ball bearing at the top of the bull stick, the bull stick sequentially passes through elevator, supporting part is connected with turbine and worm mechanism, supporting part is fixedly connected with inverted "L" shape fixed frame, the shaft of the positive and negative rotation speed regulating motor is connected by shaft coupling with turbine and worm mechanism through inverted "L" shape fixed frame.The advantages of the utility model: structure is simple, convenient and flexible operation, and heave amplitude is big, movement is very fast and lifting speed is uniform, and lifting torque is big, and certain stability is good, is suitble to be widely popularized.
Description
Technical field
The utility model relates to industrial machinery technical field more particularly to a kind of lifting devices with self-locking function.
Background technique
In today of rapid industrial development, people's daily life is increasingly intended to mechanization and automation, makes in people
In many mechanical devices, lifting platform is widely used in mechanical device as a kind of commonplace mechanical equipment；It is existing
Hoistable platform it is structurally and operationally all complex, the amplitude of lifting is small, lifting slowly, do not have self-locking function, can not expire
Sufficient mechanical requirements.A kind of mechanical lifting gear (publication number: CN205773071U) with self-locking function disclosed in Chinese patent
Although being able to solve the above problem, having self-locking function, there are many defects for it；Its 1: the working principle of the lifting device
Are as follows: " by pushing push rod 10, triangle wedge frame 9 is moved to the left, the first idler wheel 7 meeting rolling extrusion voussoir 6,4 meeting of elastic device at this time
Gradually it shrinks, after the first idler wheel 7 is connected in the gap between voussoir 6, elastic device 4 can extend at this time, and voussoir 6 protrudes, wedge
Gap between block 6 will the first idler wheel of stuck fast 7 and it is self-locking "；" needing to move right on triangle wedge frame 9 makes its unlock allow
When workbench 13 reduces, needing to press the second connecting plate 5 shrinks its elastic device 4, and voussoir 6 can also be retracted in through-hole, at this time
Triangle wedge frame 9 can be moved right, reduce the height of workbench 13 ".The first idler wheel is blocked by the gap between voussoir 6
7 and it is self-locking, shrink elastic device 4 by pressing the second connecting plate 5, voussoir can retract in through-hole and unlock, this self-locking function
Complicated for operation, complex steps are able to achieve, needs artificially to manipulate, increases labour cost.Its 2: although the lifting device
It can achieve the effect that lifting, but the amplitude of its lifting is small, lifting is slow, it is impossible to meet mechanical requirements, needs manually to push
Push rod 10 can realize the lifting of workbench 13, time-consuming and laborious.Its 3: the lifting stability of the lifting device is poor.
Utility model content
The purpose of this utility model is to provide a kind of lifting devices with self-locking function, and structure is simple, easy to operate
Flexibly, heave amplitude is big, movement is very fast and lifting speed is uniform, and lifting torque is big, and certain stability is good, is suitble to be widely popularized.
To achieve the above object, the technical solution that the utility model is taken are as follows: a kind of lifting device with self-locking function,
Including workbench, support rod, sliding block, sliding rail, bull stick, rack, pedestal, turbine and worm mechanism, positive and negative rotation speed regulating motor, lifting
Block, fixed frame, deep groove ball bearing, shaft coupling and supporting part, pedestal top are fixedly connected with rack, and the right side of the rack is fixed
It is connected with fixed frame, fixed frame is in inverted "L" shape, and inverted "L" shape fixed frame inside top is equipped with deep groove ball bearing, the bull stick top
Portion is mounted on the inner ring of deep groove ball bearing, and the bull stick sequentially passes through elevator, supporting part is connected with turbine and worm mechanism, is held
Heavy mail is fixedly connected with inverted "L" shape fixed frame, and the shaft of the positive and negative rotation speed regulating motor passes through shaft coupling through inverted "L" shape fixed frame
Device is connected with turbine and worm mechanism；It is fixedly connected on the left of the elevator with sliding block, sliding block and sliding rail are slidably connected, the cunning
It is fixedly connected with support rod at the top of block, the support rod is fixedly connected with workbench.
Further, for the supporting part by being above fixedly installed with thrust bearing, the bull stick is through thrust bearing and holds
Heavy mail rotation connection.Supporting part is fixedly mounted on inverted "L" shape fixed frame, and inverted "L" shape fixed frame is fixed on the rack, due to pushing away
Power bearing is able to bear axial biggish load, and supporting part is attached by thrust bearing and bull stick, ensure that bull stick can only
Relative to supporting part rotation without generating axial opposite sliding.
Further, the turbine and worm mechanism includes turbine and worm screw, and the turbine is installed on bull stick lower end and bull stick
It is fixedly connected, turbine and worm screw are meshed connection, and worm screw right end is connected by shaft coupling with the shaft of positive and negative rotation speed regulating motor.
Since turbine and worm mechanism has self-locking function, specifically: positive and negative rotation speed regulating motor is able to drive the rotation of worm screw forward and reverse,
Worm screw rotation drives turbine rotation by turbine and worm screw engagement；And turbine cannot drive in turn worm screw to rotate, and form certainly
Latch mechanism.
Further, the sliding rail is in the shape of an " I ", and sliding rail is fixedly connected with convex block, and the sliding block is equipped with close to sliding rail side
Sliding slot, the sliding slot and convex block match setting, and sliding slot and convex block are slidably connected.
Further, the base bottom is additionally provided with movable pulley, and the movable pulley has self-locking mechanism.Convenient pair of movable pulley
The movement and transport of lifting device, are moved easily and use.
Further, the bull stick is equipped with thread segment and non-threaded section, and top thread segment and elevator are threadedly coupled, lower part
Non-threaded section is rotatablely connected with the thrust bearing inside supporting part.
Further, the length of the sliding rail is slightly larger than bull stick screw thread segment length.
Further, the positive and negative rotation speed regulating motor uses model YX；It positive and negative rotation speed regulating motor and external positive and negative turns on
Powered-down line connection, external forward-reverse switch and external power supply are electrically connected, and positive and negative rotation speed regulating motor comes with governor.
Compared with prior art, the utility model has the following beneficial effects: first, the sliding by sliding block and sliding rail is matched
Conjunction setting, bull stick and elevator are threadedly engaged setting, and workbench is installed on sliding block by support rod；It need to only rotate and turn
Bar, elevator can move up and down on bull stick, realize the lifting of workbench, and structure is simple and convenient to operate simple, lifting surely
It is qualitative good.Second, passing through the setting of turbine and worm mechanism, turbine is installed on bull stick lower end and is fixedly connected with bull stick, turbine and snail
Bar is meshed connection, and worm screw right end is connected by shaft coupling with the shaft of positive and negative rotation speed regulating motor；Due to turbine and worm mechanism
With self-locking function, specifically: positive and negative rotation speed regulating motor is able to drive the rotation of worm screw forward and reverse, and worm screw rotation passes through turbine
It is engaged with worm screw and drives turbine rotation；And turbine cannot drive in turn worm screw to rotate, and form self-locking mechanism；So that this lifting
Device has self-locking function, and as positive and negative rotation speed regulating motor can drive worm screw to rotate, and worm screw drives turbine rotation, turbine band
Dynamic bar rotation, and then elevator moves up and down outside bull stick, workbench, which is realized, to move up and down, since turbine and worm has certainly
Lock function, when elevator is pressed downward by workbench, the turbine of bull stick bottom can not drive worm screw to rotate in turn, realize
The self-locking function of workbench.Third, by the setting of positive and negative rotation speed regulating motor, when needing to adjust when workbench needs to rise,
Only positive and negative rotation speed regulating motor need to be made to rotate forward, when needing to adjust when workbench needs to decline, need to only make positive and negative rotation speed regulation electricity
Machine rotates backward.Fourth, by the setting of movable pulley, the convenient movement and transport to lifting device of movable pulley, be moved easily and
It uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is structural schematic diagram at the A of the utility model；
Fig. 3 is structural schematic diagram at the B of the utility model；
Fig. 4 is that the sliding block of the utility model and sliding rail cooperate schematic diagram；
In figure: 1, workbench；2, support rod；3, sliding block；3-1, sliding slot；4, sliding rail；4-1, convex block；5, bull stick；6, rack；
7, pedestal；8, movable pulley；9, turbine and worm mechanism；9-1, turbine；9-2, worm screw；10, positive and negative rotation speed regulating motor；11, elevator；
12, fixed frame；13, deep groove ball bearing；14, shaft coupling；15, supporting part.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figs 1-4, a kind of lifting device with self-locking function, including workbench 1, support rod 2, sliding block 3, sliding rail
4, bull stick 5, rack 6, pedestal 7, turbine and worm mechanism 9, positive and negative rotation speed regulating motor 10, elevator 11, fixed frame 12, deep-groove ball axis
13, shaft coupling 14 and supporting part 15 are held, 7 top of pedestal is fixedly connected with rack 6, and the right side of the rack 6 is fixedly connected with
Determine frame 12, fixed frame 12 is in inverted "L" shape, and 12 inside top of inverted "L" shape fixed frame is equipped with deep groove ball bearing 13, the bull stick 5
Top is mounted on the inner ring of deep groove ball bearing 13, and the bull stick 5 sequentially passes through elevator 11, supporting part 15 and turbine and worm machine
Structure 9 connects, and supporting part 15 is fixedly connected with inverted "L" shape fixed frame 12, and the shaft of the positive and negative rotation speed regulating motor 10 runs through inverted " L "
Shape fixed frame 12 is connected by shaft coupling 14 with turbine and worm mechanism 9；11 left side of elevator is fixedly connected with sliding block 3,
Sliding block 3 and sliding rail 4 are slidably connected, and support rod 2, the support rod 2 and the fixed company of workbench 1 are fixedly connected at the top of the sliding block 3
It connects.
Wherein, the supporting part 15 runs through thrust bearing and load-bearing by being above fixedly installed with thrust bearing, the bull stick 5
Part 15 is rotatablely connected.Supporting part 15 is fixedly mounted on inverted "L" shape fixed frame 12, and inverted "L" shape fixed frame 12 is fixed on rack 6
On, since thrust bearing is able to bear axial biggish load, supporting part 15 is attached by thrust bearing and bull stick 5, is protected
Having demonstrate,proved bull stick 5 can only rotate relative to supporting part 15 without generating axial opposite sliding.
Wherein, the turbine and worm mechanism 9 includes that turbine 9-1 and worm screw 9-2, the turbine 9-1 are installed on 5 lower end of bull stick
It is fixedly connected with bull stick 5, turbine 9-1 and worm screw 9-2 are meshed connection, and worm screw 9-2 right end passes through shaft coupling 14 and positive and negative modulation
The shaft of speed motor 10 is connected.Since turbine and worm mechanism has self-locking function, specifically: positive and negative rotation speed regulating motor 10 can
The rotation of worm screw 9-2 forward and reverse is driven, worm screw 9-2 rotation drives turbine 9-1 rotation by turbine 9-1 and worm screw 9-2 engagement；
And turbine 9-1 cannot drive worm screw 9-2 to rotate in turn, form self-locking mechanism.
Wherein, the sliding rail 4 is in the shape of an " I ", and sliding rail 4 is fixedly connected with convex block 4-1, and the sliding block 3 is close to 4 side of sliding rail
Equipped with sliding slot 3-1, the sliding slot 3-1 and convex block 4-1 match setting, and sliding slot 3-1 and convex block 4-1 are slidably connected.
Wherein, 7 bottom of pedestal is additionally provided with movable pulley 8, and the movable pulley 8 has self-locking mechanism.Convenient pair of movable pulley 8
The movement and transport of lifting device, are moved easily and use.
Wherein, the bull stick 5 is equipped with thread segment and non-threaded section, and top thread segment and elevator 11 are threadedly coupled, lower part
Non-threaded section is rotatablely connected with the thrust bearing inside supporting part 15.
Wherein, the length of the sliding rail 4 is slightly larger than 5 screw thread segment length of bull stick.
Wherein, the positive and negative rotation speed regulating motor 10 uses model YX3；It positive and negative rotation speed regulating motor 10 and external positive and negative turns on
Powered-down line connection, external forward-reverse switch and external power supply are electrically connected, and positive and negative rotation speed regulating motor 10 comes with governor.
It should be noted that the utility model is a kind of lifting device with self-locking function, when use (working principle)
Above disclosed is only a kind of preferred embodiment of the utility model, certainly cannot be practical to limit with this
Novel interest field, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and according to
Equivalent variations made by the utility model claims, still falls within the scope of the utility model.
Claims (8)
1. a kind of lifting device with self-locking function, including workbench (1), support rod (2), sliding block (3), sliding rail (4), bull stick
(5), rack (6), pedestal (7), turbine and worm mechanism (9), positive and negative rotation speed regulating motor (10), elevator (11), fixed frame (12),
Deep groove ball bearing (13), shaft coupling (14) and supporting part (15), it is characterised in that: fix and connect with rack (6) at the top of pedestal (7)
It connects, is fixedly connected with fixed frame (12) on the right side of the rack (6), fixed frame (12) is in inverted "L" shape, inverted "L" shape fixed frame
(12) inside top is equipped with deep groove ball bearing (13), is mounted on the inner ring of deep groove ball bearing (13) at the top of the bull stick (5),
The bull stick (5) sequentially pass through elevator (11), supporting part (15) and turbine and worm mechanism (9) connection, supporting part (15) and
L shape fixed frame (12) is fixedly connected, and the shaft of the positive and negative rotation speed regulating motor (10) passes through through inverted "L" shape fixed frame (12)
Shaft coupling (14) is connected with turbine and worm mechanism (9)；It is fixedly connected on the left of the elevator (11) with sliding block (3), sliding block (3)
It is slidably connected with sliding rail (4), is fixedly connected support rod (2) at the top of the sliding block (3), the support rod (2) and workbench (1) are solid
Fixed connection.
2. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the supporting part (15)
By being above fixedly installed with thrust bearing, the bull stick (5) is rotatablely connected through thrust bearing and supporting part (15).
3. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the turbine and worm machine
Structure (9) includes turbine (9-1) and worm screw (9-2), and the turbine (9-1) is installed on bull stick (5) lower end and the fixed company of bull stick (5)
It connects, turbine (9-1) and worm screw (9-2) are meshed connection, and worm screw (9-2) right end passes through shaft coupling (14) and positive and negative rotation speed regulating motor
(10) shaft is connected.
4. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the sliding rail (4) is in
I-shaped, sliding rail (4) are fixedly connected convex block (4-1), and the sliding block (3) is equipped with sliding slot (3-1) close to sliding rail (4) side, institute
It states sliding slot (3-1) and convex block (4-1) matches setting, sliding slot (3-1) and convex block (4-1) are slidably connected.
5. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: pedestal (7) bottom
Portion is additionally provided with movable pulley (8), and the movable pulley (8) has self-locking mechanism.
6. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the bull stick (5) sets
There are thread segment and non-threaded section, top thread segment and elevator (11) are threadedly coupled, in non-threaded section of lower part and supporting part (15)
The thrust bearing in portion is rotatablely connected.
7. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the sliding rail (4)
Length is slightly larger than bull stick (5) screw thread segment length.
8. a kind of lifting device with self-locking function according to claim 1, it is characterised in that: the positive and negative rotation speed regulation
Motor (10) uses model YX3；Positive and negative rotation speed regulating motor (10) is connected with external forward-reverse switch electric wire, and outside is positive and negative to be turned on
It closes and external power supply is electrically connected, positive and negative rotation speed regulating motor (10) comes with governor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816267.8U CN208995058U (en) | 2018-11-06 | 2018-11-06 | A kind of lifting device with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821816267.8U CN208995058U (en) | 2018-11-06 | 2018-11-06 | A kind of lifting device with self-locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208995058U true CN208995058U (en) | 2019-06-18 |
Family
ID=66807327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821816267.8U Expired - Fee Related CN208995058U (en) | 2018-11-06 | 2018-11-06 | A kind of lifting device with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208995058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199295A (en) * | 2021-05-29 | 2021-08-03 | 张玉梅 | Damping device for machining with locking function |
-
2018
- 2018-11-06 CN CN201821816267.8U patent/CN208995058U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113199295A (en) * | 2021-05-29 | 2021-08-03 | 张玉梅 | Damping device for machining with locking function |
| CN113199295B (en) * | 2021-05-29 | 2022-11-25 | 济南国柱机械有限公司 | Damping device for machining with locking function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190618 Termination date: 20191106 |