CN110454541A - Buffer fixer, lifting mechanism for electric pushrod - Google Patents
Buffer fixer, lifting mechanism for electric pushrod Download PDFInfo
- Publication number
- CN110454541A CN110454541A CN201910813454.3A CN201910813454A CN110454541A CN 110454541 A CN110454541 A CN 110454541A CN 201910813454 A CN201910813454 A CN 201910813454A CN 110454541 A CN110454541 A CN 110454541A
- Authority
- CN
- China
- Prior art keywords
- electric pushrod
- fastener
- hole
- bracket
- buffer
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000007306 turnover Effects 0.000 description 16
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 8
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
- B61B12/04—Devices for damping vibrations
-
- 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
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/26—Means for adjusting casings relative to their supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0023—Purpose; Design features protective
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0052—Physically guiding or influencing
- F16F2230/007—Physically guiding or influencing with, or used as an end stop or buffer; Limiting excessive axial separation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The present invention relates to cableway technical field, a kind of buffer fixer for electric pushrod, lifting mechanism are provided.The device includes bracket and fastener, and fastener is used to the first end of electric pushrod being rotatably connected on bracket, and bracket offers the through-hole for plugging fastener；In the case where the second end of electric pushrod reaches target position, fastener can be mobile towards the direction opposite with the pushing direction of electric pushrod in through-hole.The lifting mechanism includes electric pushrod and the buffer fixer for electric pushrod.The configuration of the present invention is simple, install convenient, if delay operation occurs for its motor after the second end of electric pushrod reaches target position, so it just will receive the opposition from designated position during push rod stretches out, it is mobile towards the direction opposite with the pushing direction of electric pushrod in through-hole just to will push fastener in the driving lower push-rod of the opposition, thus influence of the opposition to motor can be offset, avoids motor that blocking phenomenon occurs.
Description
Technical field
The present invention relates to cableway technical field more particularly to a kind of buffer fixers for electric pushrod, lifting machine
Structure.
Background technique
Electric pushrod be widely used in it is various promoted, in switching process, current most of electric pushrods include push rod and
Motor.By taking the turnover mechanism with intermediate station cableway straightway as an example, one end connection turnover mechanism, the other end of electric pushrod are fixed
On the ground.In use, electric pushrod pushes turnover mechanism mobile towards designated position.When turnover mechanism is contacted with designated position
Afterwards, the motor of electric pushrod is closed, turnover mechanism no longer moves at this time.But since what the motor of electric pushrod received stops
Machine instruction usually there will be delay, that is to say, that when motor can still run a bit of after turnover mechanism is contacted with designated position
Between, and by the obstruction of designated position can not to be continued to press on turnover mechanism mobile for push rod at this time, therefore motor is in specific bit
Stall easily occurs under the opposition set, can even be burned.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
The present invention is to solve the electric pushrod skill that its motor easily occurs stall, is even burned in use
Art problem.
To solve the above problems, the present invention provides a kind of buffer fixer for electric pushrod, which includes
Bracket and fastener, the fastener are used for the first end rotation connection of electric pushrod on the bracket, and the bracket is opened
Equipped with the through-hole for plugging the fastener；It is described in the case where the second end of the electric pushrod reaches target position
Fastener can be mobile towards the direction opposite with the pushing direction of the electric pushrod in the through-hole.
Wherein, the inner wall of the through-hole is formed with buffer layer.
Wherein, the material of the buffer layer is rubber, latex or sponge.
Wherein, the through-hole is strip-shaped hole, the second end arrival of the length direction of the strip-shaped hole and the electric pushrod
Pushing direction when target position is parallel.
Wherein, the bracket includes pedestal and vertical plate, and the first end of the vertical plate is set on the base, second end is prolonged upwards
It stretches；The side wall engaging lug with outward extension of the vertical plate second end offers the through-hole on the engaging lug.
Wherein, the same side of the vertical plate is set there are two the engaging lug that is oppositely arranged, between two engaging lugs
Form the space for accommodating the electric pushrod first end.
Wherein, the bracket further includes reinforcing rib, and one end of the reinforcing rib is set on the base, the other end tilts upward
Extend and is fixed on the vertical plate.
Wherein, the fastener includes bolt or rivet.
To solve the above problems, the present invention also provides a kind of lifting mechanism, the lifting mechanism include electric pushrod and
Buffer fixer for electric pushrod described above.
The first end of electric pushrod is rotatably connected on by the configuration of the present invention is simple, install convenient, when installation by fastener
On bracket, and mechanism to be uplifted such as turnover mechanism is mounted on to the second end of electric pushrod, starting electric pushrod when use
Motor.It is mobile towards designated position just to will push turnover mechanism for push rod under the drive of the motor.When turnover mechanism and designated position
When being that the second end of electric pushrod reaches target position after contact, the motor of electric pushrod is closed.If the electricity of electric pushrod at this time
Delay operation occurs for machine, then push rod, during stretching, push rod just will receive by turnover mechanism from the anti-of designated position
To active force, fastener just will push in through-hole towards the promotion side with electric pushrod in the driving lower push-rod of the opposition
It moves in the opposite direction, thus can offset influence of the opposition to motor, avoid motor that blocking phenomenon occurs.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description simply to be introduced, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is schematic elevation view of one of the embodiment of the present invention for the buffer fixer of electric pushrod；
Fig. 2 is schematic top plan view of one of the embodiment of the present invention for the buffer fixer of electric pushrod；
Fig. 3 is enlarged drawing of the Fig. 2 at A；
Fig. 4 is the schematic elevation view of another kind in the embodiment of the present invention for the buffer fixer of electric pushrod；
Fig. 5 is the schematic top plan view of another kind in the embodiment of the present invention for the buffer fixer of electric pushrod.
Appended drawing reference:
1, bracket；1.1, engaging lug；1.1.1, through-hole；1.1.2, buffer layer；
1.2, pedestal；1.2.1, long hole；1.3, vertical plate；1.4, reinforcing rib；2, fastener；
3, electric pushrod；3.1, push rod；3.2, motor；4, turnover mechanism.
Specific embodiment
To keep the purposes, technical schemes and advantages of invention clearer, below in conjunction with the attached drawing in invention, in invention
Technical solution be explicitly described, it is clear that described embodiment is invention a part of the embodiment, rather than whole realities
Apply example.It is obtained by those of ordinary skill in the art without making creative efforts based on the embodiment in invention
Every other embodiment belongs to the range of invention protection.
In the description of the present invention, unless otherwise indicated, the orientation or positional relationship of the instructions such as term " on ", "lower" is base
In orientation or positional relationship shown in the drawings, it is merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of invention.
It should be noted that unless otherwise clearly defined and limited, term " connection " shall be understood in a broad sense, for example, can
To be to be fixedly connected, may be a detachable connection, or be integrally connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected.For the ordinary skill in the art, tool of the above-mentioned term in invention can be understood with concrete condition
Body meaning.
In conjunction with shown in Fig. 1 to Fig. 3, a kind of buffer fixer for electric pushrod, the device are present embodiments provided
Including bracket 1 and fastener 2, fastener 2 is used to the first end of electric pushrod 3 being rotatably connected on bracket 1, that is to say, that
The first end of electric pushrod 3 offers the mounting hole for cooperating with fastener 2；Bracket 1 is offered for plugging fastener 2
Through-hole 1.1.1；Electric pushrod 3 second end reach target position in the case where, fastener 2 can in through-hole 1.1.1 court
The direction opposite with the pushing direction of electric pushrod 3 is mobile.Wherein, fastener 2 includes bolt or rivet, that is to say, that electronic
Push rod 3 can be bolted on bracket 1, can also be directly by rivet on bracket 1.Certain fastener 2
Form is not limited to above two mode.
When installation: bracket 1 being fixed on immovable object such as ground first；Then fastener 2 is successively worn
The through-hole 1.1.1 of bracket 1 and the mounting hole of electric pushrod 3 are crossed, electric pushrod 3 is fixed on bracket 1；Finally, will be wait lift
Rise the second end that mechanism such as turnover mechanism 4 is connected to electric pushrod 3.
In use, the motor 3.2 of starting electric pushrod 3, just will push tipper in the driving lower push-rod 3.1 of motor 3.2
Structure 4 is mobile towards designated position.It is the second end arrival target position of electric pushrod 3 after turnover mechanism 4 and designated position contact
When setting, the motor 3.2 of electric pushrod 3 is closed.If delay operation occurs for the motor 3.2 of electric pushrod 3 at this time, then push rod 3.1
During stretching, push rod 3.1 just will receive the opposition from designated position by turnover mechanism 4, in the reversed work
Driving lower push-rod 3.1 firmly just will push fastener 2 in through-hole 1.1.1 towards opposite with the pushing direction of electric pushrod 3
Direction is that thus can offset influence of the opposition to motor 3.2 towards the direction movement far from target position, avoid electricity
Blocking phenomenon occurs for machine 3.2.
It should be noted that in order to guarantee that fastener 2 can be moved by after opposition in through-hole 1.1.1
It can be realized using various ways:
Mode one, as shown in figure 3, the inner wall of through-hole 1.1.1 is formed with buffer layer 1.1.2.Wherein, buffer layer 1.1.2
Material can be, but not limited to be rubber, latex or sponge, being capable of the material that deformation occurs after other compressions.In such situation
Under, through-hole 1.1.1 shape can be, but not limited to be round, oval, square, polygon or strip.Due to buffer layer
1.1.2 presence, if delay operation occurs for its motor 3.2 after the second end of electric pushrod 3 reaches target position, then specific bit
Buffer layer 1.1.2 will be transmitted to by fastener 2 by setting the opposition applied to push rod 3.1, and buffer layer 1.1.2 is by pressure
Raw deformation so that fastener 2 changes position in through-hole 1.1.1, i.e., fastener 2 in through-hole 1.1.1 towards with it is electronic
The opposite direction of the pushing direction of push rod 3 is mobile, thus can offset influence of the opposition to motor 3.2, avoid electricity
Blocking phenomenon occurs for machine 3.2.
Mode two, as shown in Figure 4 and Figure 5, the shape of limited hole 1.1.1, such as through-hole 1.1.1 is strip-shaped hole, bar shaped
The length direction in hole is parallel with the pushing direction when second end of electric pushrod 3 arrival target position.If electric pushrod 3 as a result,
Second end reach target position after its motor 3.2 occur delay operation, then what push rod 3.1 applied it by designated position
After opposition, it just will push fastener 2 in the driving lower push-rod 3.1 of the opposition and close on designated position from strip-shaped hole
One end be moved to the one end of strip-shaped hole far from designated position, thus can offset influence of the opposition to motor 3.2,
Avoid motor 3.2 that blocking phenomenon occurs.
Mode three, buffer layer 1.1.2+ strip-shaped hole, specifically: through-hole 1.1.1 be strip-shaped hole, the length direction of strip-shaped hole with
Pushing direction when the second end arrival target position of electric pushrod 3 is parallel, and the inner wall of strip-shaped hole is formed with buffer layer 1.1.2.
As a result, when the opposition that push rod 3.1 applies it by designated position, in the driving lower push-rod 3.1 to active force
It just will push fastener 2 and be moved to the one end of strip-shaped hole far from designated position from one end that strip-shaped hole closes on designated position.When tight
After firmware 2 is moved to strip-shaped hole far from one end of designated position, which will be transferred to buffer layer by fastener 2
1.1.2, buffer layer 1.1.2 be pressurized that deformation occurs so that fastener 2 in strip-shaped hole further towards far from designated position
Direction is mobile.Thus the reversed of designated position application can be sufficiently offset under the double buffering of strip-shaped hole and buffer layer 1.1.2
Influence of the active force to motor 3.2 avoids motor 3.2 that blocking phenomenon occurs.
As shown in figure 4, bracket 1 includes pedestal 1.2 and vertical plate 1.3, the first end of vertical plate 1.3 is arranged on pedestal 1.2, the
Two ends upwardly extend；The side wall of 1.3 second end of vertical plate engaging lug 1.1 with outward extension offers through-hole on engaging lug 1.1
1.1.1.Wherein, vertical plate 1.3 can be, but not limited to be zinc-plated square steel pipe.For the ease of installing and dismounting pedestal 1.2, pedestal 1.2 is opened
Equipped with multiple long hole 1.2.1.
In addition, in order to further increase stability of the electric pushrod 3 on vertical plate 1.3, the same side of vertical plate 1.3 is equipped with two
A engaging lug 1.1 being oppositely arranged forms the space for accommodating 3 first end of electric pushrod between two engaging lugs 1.1.Installation
When: pedestal 1.2 can be fixed on immovable object by bolt first；Then the first end of electric pushrod 3 is inserted into
Between two engaging lugs 1.1；Then, by the through-hole 1.1.1 of the one of engaging lug 1.1 of such as screw bolt passes of fastener 2,
The through-hole 1.1.1 back spin top nut of the mounting hole of electric pushrod 3, another engaging lug 1.1；Finally, for example by mechanism to be uplifted
Turnover mechanism 4 is connected to the second end of electric pushrod 3.
Further, in order to improve the intensity of vertical plate 1.3, bracket 1 further includes reinforcing rib 1.4, and one end of reinforcing rib 1.4 is set
It sets on pedestal 1.2, the other end tilts upward and extends and be fixed on vertical plate 1.3.Reinforcing rib 1.4 and vertical plate 1.3 and bottom as a result,
Seat 1.2, which can enclose, to be set to form the high triangular structure of stability.
In addition, the present embodiment additionally provides a kind of lifting mechanism, which includes electric pushrod 3 and described above
The buffer fixer for electric pushrod.Wherein, electric pushrod 3 includes push rod 3.1 and flexible actuator, and stretch actuator
It is connect with push rod 3.1, is flexible for driving push rod 3.1.Further, push rod 3.1 includes casing and is plugged in casing
Telescopic rod.Wherein, flexible actuator can be, but not limited to be motor 3.2, hydraulic cylinder or cylinder.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of invention, rather than its limitations；Although ginseng
Invention is described in detail according to previous embodiment, those skilled in the art should understand that: it still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and scope for each embodiment technical solution of invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of buffer fixer for electric pushrod, which is characterized in that including bracket and fastener, the fastener is used
In by the first end rotation connection of electric pushrod, on the bracket, the bracket is offered for plugging the logical of the fastener
Hole；The electric pushrod second end reach target position in the case where, the fastener can in the through-hole towards with
The opposite direction of the pushing direction of the electric pushrod is mobile.
2. the buffer fixer according to claim 1 for electric pushrod, which is characterized in that the inner wall of the through-hole
It is formed with buffer layer.
3. the buffer fixer according to claim 1 for electric pushrod, which is characterized in that the material of the buffer layer
Matter is rubber, latex or sponge.
4. the buffer fixer according to any one of claims 1 to 3 for electric pushrod, which is characterized in that described
Through-hole is strip-shaped hole, and the second end of the length direction of the strip-shaped hole and the electric pushrod reaches promotion side when target position
To parallel.
5. the buffer fixer according to claim 1 for electric pushrod, which is characterized in that the bracket includes bottom
Seat and vertical plate, the first end of the vertical plate is arranged on the chassis, second end upwardly extends；The side wall of the vertical plate second end
Engaging lug with outward extension offers the through-hole on the engaging lug.
6. the buffer fixer according to claim 5 for electric pushrod, which is characterized in that the vertical plate it is same
Side is set there are two the engaging lug that is oppositely arranged, is formed between two engaging lugs for accommodating the electric pushrod first
The space at end.
7. the buffer fixer according to claim 5 for electric pushrod, which is characterized in that the bracket further includes
Reinforcing rib, one end of the reinforcing rib is set on the base, the other end tilts upward and extends and be fixed on the vertical plate.
8. the buffer fixer according to claim 1 for electric pushrod, which is characterized in that the fastener includes
Bolt or rivet.
9. a kind of lifting mechanism, which is characterized in that including electric pushrod and as claimed in any one of claims 1 to 8 be used for
The buffer fixer of electric pushrod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813454.3A CN110454541A (en) | 2019-08-30 | 2019-08-30 | Buffer fixer, lifting mechanism for electric pushrod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910813454.3A CN110454541A (en) | 2019-08-30 | 2019-08-30 | Buffer fixer, lifting mechanism for electric pushrod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110454541A true CN110454541A (en) | 2019-11-15 |
Family
ID=68490119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910813454.3A Pending CN110454541A (en) | 2019-08-30 | 2019-08-30 | Buffer fixer, lifting mechanism for electric pushrod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110454541A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1523784A1 (en) * | 1987-10-28 | 1989-11-23 | Е.А.Федоров и А.И.Федоров | Torque regulator |
| US6296203B1 (en) * | 2000-05-24 | 2001-10-02 | General Electric Company | Snubber thrust mount |
| US20070267991A1 (en) * | 2006-05-19 | 2007-11-22 | Emond Daniel T | Overload protection system |
| CN104398033A (en) * | 2014-11-21 | 2015-03-11 | 浙江工业大学 | Linkage-type lifting chair |
| CN208726709U (en) * | 2018-07-03 | 2019-04-12 | 广州定品动漫科技有限公司 | A kind of doll machine with buffer structure |
| CN210830294U (en) * | 2019-08-30 | 2020-06-23 | 北京起重运输机械设计研究院有限公司 | Buffer fixing device and lifting mechanism for electric push rod |
-
2019
- 2019-08-30 CN CN201910813454.3A patent/CN110454541A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1523784A1 (en) * | 1987-10-28 | 1989-11-23 | Е.А.Федоров и А.И.Федоров | Torque regulator |
| US6296203B1 (en) * | 2000-05-24 | 2001-10-02 | General Electric Company | Snubber thrust mount |
| US20070267991A1 (en) * | 2006-05-19 | 2007-11-22 | Emond Daniel T | Overload protection system |
| CN104398033A (en) * | 2014-11-21 | 2015-03-11 | 浙江工业大学 | Linkage-type lifting chair |
| CN208726709U (en) * | 2018-07-03 | 2019-04-12 | 广州定品动漫科技有限公司 | A kind of doll machine with buffer structure |
| CN210830294U (en) * | 2019-08-30 | 2020-06-23 | 北京起重运输机械设计研究院有限公司 | Buffer fixing device and lifting mechanism for electric push rod |
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