CN114538318A - Vertical lifting supporting mechanism - Google Patents

Vertical lifting supporting mechanism Download PDF

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Publication number
CN114538318A
CN114538318A CN202210108978.4A CN202210108978A CN114538318A CN 114538318 A CN114538318 A CN 114538318A CN 202210108978 A CN202210108978 A CN 202210108978A CN 114538318 A CN114538318 A CN 114538318A
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CN
China
Prior art keywords
rocker
umbrella
bracket
guide rail
group
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
Application number
CN202210108978.4A
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Chinese (zh)
Inventor
王博
程明龙
贾延奎
刘康宁
王华吉
马跃峰
韦学中
王丽伟
王翔鹏
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Beijing Institute of Space Launch Technology
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Beijing Institute of Space Launch Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Institute of Space Launch Technology filed Critical Beijing Institute of Space Launch Technology
Priority to CN202210108978.4A priority Critical patent/CN114538318A/en
Publication of CN114538318A publication Critical patent/CN114538318A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • 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
    • B66F7/0666—Multiple scissor linkages vertically arranged
    • B66F7/0675—Auxiliary scissors, e.g. above main scissors
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)

Abstract

The invention relates to a space launching device, in particular to a vertical lifting supporting mechanism which comprises a bracket, a first guide rail, a first sliding block, a base, a second guide rail, a second sliding block, a driving assembly and at least one umbrella-shaped scissor mechanism group, wherein each umbrella-shaped scissor mechanism group comprises at least two groups of rocker units, each rocker unit comprises two rockers, the top of each rocker of the umbrella-shaped scissor mechanism group positioned at the top is connected with one first sliding block, the bottom of each rocker of the umbrella-shaped scissor mechanism group positioned at the bottom is connected with one group of second sliding blocks, the first sliding blocks are suitable for moving relative to one first guide rail, the second sliding blocks are suitable for moving relative to one second guide rail, and the driving assembly drives the second sliding blocks to synchronously approach or depart from each other. The vertical lifting support mechanism can support products more stably and meet the requirement of large-displacement lifting.

Description

Vertical lifting supporting mechanism
Technical Field
The invention relates to an aerospace launching device, in particular to a vertical lifting supporting mechanism.
Background
In the technical field of weapon cold launching, a vertical lifting support mechanism is needed to timely support a product in the process of storage and transportation of the product so as to ensure that a disassembly part is supported when the product is locally replaced, and therefore the vertical lifting support mechanism is required to temporarily support the disassembly part of the product and bear the load of the product. For some products, the vertical lifting support mechanism also needs to have a large-displacement stable lifting function along the vertical direction, large bearing stability and the like, and the existing vertical lifting support mechanism cannot meet the requirements.
Disclosure of Invention
The invention aims to provide a vertical lifting support mechanism which can support products more stably and meet the requirement of large-displacement lifting.
In order to solve the above problems, the present invention provides a vertical lifting support mechanism, which comprises a bracket, a first guide rail, a first slider, a base, a second guide rail, a second slider, a driving assembly and at least one umbrella-shaped scissors mechanism set, wherein different umbrella-shaped scissors mechanism sets are sequentially arranged in the vertical direction,
the first guide rail is arranged on the bottom surface of the bracket,
the second guide rail is arranged on the base,
each umbrella-shaped scissors mechanism group comprises at least two groups of rocker units, each group of rocker units is arranged in the vertical direction, the rocker units in different groups are parallel to each other, the rocker units in different groups are sequentially arranged along the width direction of the bracket, each group of rocker units comprises two rockers, the middle parts of the two rockers in the same group of rocker units are hinged with each other,
the top of each rocker of the uppermost umbrella-shaped scissors mechanism group is connected with one first sliding block, the bottom of each rocker of the lowermost umbrella-shaped scissors mechanism group is connected with one second sliding block, the number of the first guide rails and the number of the second guide rails are equal to the number of the rocker units, the first sliding block connected to the top of each rocker unit is suitable for moving relative to one first guide rail, and the second sliding block connected to the bottom of each rocker unit is suitable for moving relative to one second guide rail,
the lower end of the rocker of the umbrella-shaped scissors mechanism group positioned above is hinged with the upper end of the rocker of the umbrella-shaped scissors mechanism group positioned below,
the driving assembly is connected with the second sliding block and drives the second sliding block to synchronously approach to or depart from each other and to lock the position after approaching to or departing from each other.
Furthermore, be located the top umbrella-type is cut fork mechanism group and still includes first whippletree, crank, adjacent two sets of rocker unit be parallel to each other all be connected with one between the two rockers first whippletree, two be connected with two between the first whippletree the crank one end with one first whippletree is articulated each other, another crank one end with another first whippletree is articulated each other, two the other end of crank all articulates the central point of bracket bottom surface puts, be located the top umbrella-type is cut fork mechanism group the rocker pass through two crank and bracket mutual tractive.
Furthermore, the central point of bracket bottom surface puts and is provided with fixed articulated seat, two the other end of crank all articulates on fixed articulated seat.
The lower end of the rocker of the umbrella-shaped scissor mechanism group positioned above and the upper end of the rocker of the umbrella-shaped scissor mechanism group positioned below are hinged to the second cross bar.
Further, the bracket upper surface is provided with flexible bed course.
Furthermore, the driving assembly comprises a power device and a screw rod, the output end of the power device is connected with the input end of the screw rod, the screw rod is arranged on the base and comprises a left rotating thread section and a right rotating thread section, one of the second sliding blocks connected with the bottoms of the rockers of the rocker units in the same group is connected with the left rotating thread section, and the other one of the second sliding blocks is connected with the right rotating thread section.
Further, the power device comprises a position sensing device, the position sensing device comprises an ejector rod and a microswitch, the ejector rod is arranged on the bracket and is suitable for moving up and down relative to the bracket, the microswitch is connected to the bracket and is located below the ejector rod, the ejector rod extends out of the bracket when the ejector rod is above, the ejector rod contacts with the microswitch when the ejector rod moves to below, and the microswitch is electrically connected with the power device.
Further, the position sensing device further comprises a sleeve, a spring and an end cover, wherein the ejector rod is arranged in the sleeve, the ejector rod and the sleeve are coaxially arranged, the end cover is connected to the bottom of the sleeve, the top of the ejector rod extends out of the sleeve, the bottom of the ejector rod extends out of the end cover, the spring is sleeved on the ejector rod, the spring is located between the ejector rod and the end cover, the ejector rod is suitable for moving up and down relative to the sleeve and the end cover, an installation space is arranged in the bracket, and the sleeve is arranged in the installation space.
Further, the sleeve is connected with the bracket through threads.
Further, the end cover is connected with the sleeve through threads.
The vertical lifting support mechanism comprises a bracket, a first guide rail, a first sliding block, a second guide rail, a second sliding block, a driving assembly and one or more umbrella-shaped scissor mechanism groups, wherein the umbrella-shaped scissor mechanism groups are of symmetrical structures, so that the vertical lifting support mechanism can reliably and stably support products, the umbrella-shaped scissor mechanism groups are mutually hinged, the connection mode is simple, the vertical lifting support mechanism can be expanded to any level of umbrella-shaped scissor mechanisms according to actual needs, the large-displacement lifting requirements are met, the structure is simple and reliable, the operation is convenient, and the size is small after being folded, so that the space is saved.
Drawings
Fig. 1 is a schematic front view of an umbrella-shaped scissors mechanism of a vertical lift supporting mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic side view of a vertical lift support mechanism of an umbrella-shaped scissors mechanism of the present invention;
FIG. 3 is an isometric view of a raised state of a support when an umbrella-shaped scissors mechanism group is a group in a vertical lift support mechanism according to an embodiment of the invention;
FIG. 4 is an isometric view of a support in a lowered state when the umbrella-shaped scissors mechanism group is a group in the vertical lifting support mechanism according to the embodiment of the invention;
FIG. 5 is a schematic structural diagram of an umbrella-shaped scissors mechanism set of a vertical lift supporting mechanism according to an embodiment of the present invention;
FIG. 6 is a schematic side view of an umbrella-shaped scissors mechanism of a vertical lift supporting mechanism according to an embodiment of the present invention;
FIG. 7 is an isometric view of the raised state of the support when there are two sets of umbrella-shaped scissors mechanism in the vertical lift support mechanism of the present invention;
FIG. 8 is an isometric view of the support being lowered when there are two sets of umbrella-shaped scissors mechanism in the vertical lift support mechanism of the present invention;
FIG. 9 is a schematic structural diagram of a position sensing device in a vertical lift support mechanism according to an embodiment of the present invention;
fig. 10 is a schematic view of an installation structure of a power device in a vertical lift support mechanism according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
The terms "upper", "lower", "front", "rear", "left" and "right" and the like appearing in the embodiments of the present invention indicate directions or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium; the specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
If there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
The vertical lifting support mechanism of the embodiment of the invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, comprises a bracket 1, a first guide rail 2, a first slide block 3, a base 11, a second guide rail 10, a second slide block 7, a driving assembly and one or more umbrella-shaped scissor mechanism groups, wherein when the umbrella-shaped scissor mechanism groups are multiple, different umbrella-shaped scissor mechanism groups are sequentially arranged in the vertical direction,
the first guide rail 2 is arranged on the bottom surface of the bracket 1,
the second guide rail 10 is provided on a base 11,
each umbrella-shaped scissors mechanism group comprises two or more groups of rocker units, each group of rocker units is arranged in the vertical direction, the rocker units in different groups are parallel to each other, the rocker units in different groups are sequentially arranged along the width direction of the bracket 1, each group of rocker units comprises two rockers 5, the middle parts of the two rockers 5 in the same group of rocker units are hinged with each other,
the top of each rocker 5 of the uppermost umbrella-shaped scissors mechanism group is connected with a first sliding block 3, the bottom of each rocker 5 of the lowermost umbrella-shaped scissors mechanism group is connected with a second sliding block 7, the number of the first guide rails 2 and the number of the second guide rails 10 are equal to the number of the rocker units, the first sliding block 3 connected with the top of each rocker 5 of each rocker unit is suitable for moving relative to one first guide rail 2, the second sliding block 7 connected with the bottom of each rocker 5 of each rocker unit is suitable for moving relative to one second guide rail 10, the rocker 5 of the uppermost umbrella-shaped scissors mechanism group is mutually pulled with the central point of the bracket 1,
the lower end of a rocker 5 of the umbrella-shaped scissors mechanism group positioned above is hinged with the upper end of a rocker 6 of the umbrella-shaped scissors mechanism group positioned below,
as shown in fig. 1, 2, 3 and 4, one umbrella-shaped scissors mechanism group is provided, each umbrella-shaped scissors mechanism group comprises two rocker units, the two rocker units are sequentially arranged along the width direction of the bracket 1, the top of each rocker 5 is connected with a first slider 3, the bottom of each rocker 5 is connected with a second slider 7, the first guide rail 2, the second guide rail 10 and the rocker units are provided with two groups, the first slider 3 connected to the top of each rocker 5 of each rocker unit is suitable for moving relative to one first guide rail 2, the second slider 7 connected to the bottom of each rocker 5 of each rocker unit is suitable for moving relative to one second guide rail 10, the rocker units can be provided with more than two groups, and the number of the rocker units is equal to the number of the first guide rails 2 and the number of the second guide rails 10.
As shown in fig. 5, 6, 7 and 8, there are two umbrella-shaped scissors mechanism sets, the two umbrella-shaped scissors mechanism sets are sequentially arranged in the vertical direction, each umbrella-shaped scissors mechanism set comprises two rocker units, each rocker unit is arranged in the vertical direction, each rocker unit of the upper umbrella-shaped scissors mechanism set comprises two rockers 5, each rocker unit of the lower umbrella-shaped scissors mechanism set comprises two rockers 6, the two rockers 5 of the same rocker unit are hinged with each other, the two rockers 6 of the same rocker unit are hinged with each other,
the top of each rocker 5 of the upper umbrella-shaped fork mechanism group is connected with a first sliding block 3, the bottom of each rocker 6 of the lower umbrella-shaped fork mechanism group is connected with a second sliding block 7, the first guide rail 2, the second guide rail 10 and the rocker units of each umbrella-shaped fork mechanism group are two groups, the first sliding block 3 connected with the top of the rocker 5 of each rocker unit is suitable for moving relative to the first guide rail 2, the second sliding block 7 connected with the bottom of the rocker 6 of each rocker unit is suitable for moving relative to the second guide rail 10,
the rocker 5 of the upper umbrella-shaped fork mechanism group is hinged with the rocker 6 of the lower umbrella-shaped fork mechanism group,
the driving component is connected with the second sliding block 7, and the driving component drives the second sliding block 7 to synchronously approach to each other or separate from each other and lock the position after approaching to each other or separating from each other.
When the umbrella-shaped scissors mechanism group is a group, when the vertical lifting support mechanism works, articles to be lifted are placed on the bracket 1, the driving component drives the second sliding blocks 7 to synchronously approach or separate from each other, so that the rocker 5 is driven to rotate and the central point translates up and down, the rocker 5 drives the first sliding blocks 3 to symmetrically slide towards the middle or two sides along the first guide rail 2, the bracket 1 ascends or descends, and the whole umbrella-shaped mechanism is in a symmetrical structure when lifted to any position. When the umbrella-shaped scissors mechanism groups are two groups, the driving component drives the second sliding blocks 7 to synchronously approach or separate from each other, so as to drive the rocker 6 to rotate and the central point to translate up and down, the rocker 6 drives the rocker 5 to rotate and the central point to translate up and down, so that the rocker 5 drives the first sliding blocks 3 to symmetrically slide towards the middle or two sides along the first guide rail 2, and the bracket 1 ascends or descends. The vertical lifting support mechanism comprises a bracket 1, a first guide rail 2, a first sliding block 3, a second guide rail 10, a second sliding block 7, a driving assembly and one or more umbrella-shaped scissor mechanism sets, wherein the umbrella-shaped scissor mechanism sets are of a symmetrical structure, so that the product can be reliably and stably supported, the umbrella-shaped scissor mechanism sets are hinged with one another, the connection mode is simple, the umbrella-shaped scissor mechanism can be expanded to any level according to actual needs, the large-displacement lifting requirement is met, the structure is simple and reliable, the operation is convenient, and the size is small after being folded, so that the space is saved.
Optionally, the uppermost umbrella-type fork shearing mechanism set further comprises a first cross bar 15 and a crank 4, two parallel rocking bars 5 of two adjacent groups of rocking bar units are connected with one first cross bar 15, two cranks 4 are connected between the two first cross bars 15, one end of one crank 4 is hinged to one first cross bar 15, one end of the other crank 4 is hinged to the other first cross bar 15, and the other ends of the two cranks 4 are hinged to the central position of the bottom surface of the bracket 1. The rocker 5 of the uppermost umbrella-shaped fork-cutting mechanism group is mutually pulled with the bracket 1 through two cranks 4. Due to the pulling action of the crank 4 and the bracket 1, the first slider 3 is prevented from slipping off during the outward movement relative to the first guide rail 2.
Optionally, a fixed hinge seat 14 is arranged at the central position of the bottom surface of the bracket 1, and the other ends of the two cranks 4 are hinged on the fixed hinge seat 14. In particular, the fixed articulated seat 14 is welded to the bracket 1.
Optionally, when there are two umbrella-shaped scissor mechanism sets, the umbrella-shaped scissor mechanism set located below further includes a second cross bar 16, and the lower end of the rocker 5 of the umbrella-shaped scissor mechanism set located above and the upper end of the rocker 6 of the umbrella-shaped scissor mechanism set located below are both hinged to the second cross bar 16.
Optionally, the upper surface of the bracket 1 is provided with a flexible cushion layer 10 to avoid impact when the object to be lifted contacts the bracket 1.
Alternatively, as shown in fig. 9 and 10, the driving assembly includes a power device 17 and a screw rod 8, an output end of the power device 17 is connected with an input end of the screw rod 8, a set of fixed supports 9 is arranged on the base 11, the screw rod 8 is mounted on the fixed supports 9, the screw rod 8 includes a left rotating thread section and a right rotating thread section, one of the second sliders 7 connected to bottoms of the rockers 5 or 6 of the rocker units in the same set is connected to the left rotating thread section, and the other is connected to the right rotating thread section. The power device 17 can select a motor, and the power device 17 drives the screw rod 8 to rotate, so that the second sliding blocks 7 connected with the two rocking bars of the same group of rocking bar units are synchronously close to each other or far away from each other.
Optionally, the vertical lifting support mechanism of the embodiment of the present invention further includes a position sensing device 13, the position sensing device 13 includes a top rod 131 and a micro switch 135, the top rod 131 is disposed on the bracket 1, the top rod 131 is adapted to move up and down relative to the bracket 1, the micro switch 135 is connected to the bracket 1, the micro switch 135 is located below the top rod 131, the top rod 131 extends out of the bracket 1 when being above, the top rod 131 contacts with the micro switch 135 when moving to the lower side, and the micro switch 135 is electrically connected to the power device 17. The power device 17 is started to lift the vertical lifting support mechanism, when the bracket 1 is contacted with a loaded product upwards, the ejector rod 131 moves downwards under the action of the gravity of the loaded product until the top of the ejector rod 131 is completely immersed in the bracket 1, and simultaneously, the microswitch 135 is triggered at the bottom of the ejector rod 131 to stop the power device 17, at the moment, the ejector rod 131 stops acting, so that the supported product is supported at any position by the bracket 1, and the screw threads of the screw 8 and the second slide block 7 have self-locking performance, and the driving mechanism 17 has a shaft-locking function, so that the bracket 1 is pressed at any position to firmly support the product. Due to the arrangement of the position sensing device 13, when a product to be supported contacts the bracket 1, the vertical lifting support mechanism can sense the position relation between the bracket 1 and the product to be supported, so that the bracket 1 is pressed tightly at any position to contact the product to be supported.
Optionally, the vertical lifting support mechanism according to the embodiment of the present invention further includes a second micro switch, the second micro switch is disposed on the base 11, the second micro switch is electrically connected to the power device 17, and when the rocker 5 drives the second slider 7 to slide to both sides along the second guide rail 10 so that the second slider 7 approaches the support 9, the second micro switch controls the power device 17 to stop working, so as to prevent the second slider 7 from attaching to the support 9.
Optionally, the position sensing device 13 further includes a sleeve 132, a spring 133, and an end cover 134, the top rod 131 is disposed in the sleeve 132, the top rod 131 and the sleeve 132 are coaxially disposed, the end cover 134 is connected to the bottom of the sleeve 132, the top of the top rod 131 extends out of the sleeve 132, the bottom of the top rod 131 extends out of the end cover 134, the spring 133 is sleeved on the top rod 131, the spring 133 is located between the top rod 131 and the end cover 134, the top rod 131 is adapted to move up and down relative to the sleeve 132 and the end cover 134, an installation space is disposed in the bracket 1, and the sleeve 132 is disposed in the installation space. When the bracket 1 contacts with a product to be supported, the pressure of the product to be supported on the top rod 131 is greater than the thrust of the spring 133, the top rod 131 moves downwards until the top of the top rod 131 is completely immersed into the bracket 1, and the bottom of the top rod 131 triggers the micro switch 135, so that the top rod 131 stops moving, and the bracket 1 is pressed at any position to support the product.
Specifically, the sleeve 132 is threadedly connected to the bracket 1, and the end cap 134 is threadedly connected to the sleeve 132.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims (10)

1. A vertical lifting supporting mechanism is characterized by comprising a bracket (1), a first guide rail (2), a first sliding block (3), a base (11), a second guide rail (10), a second sliding block (7), a driving component and at least one umbrella-shaped scissors mechanism group, wherein different umbrella-shaped scissors mechanism groups are sequentially arranged in the vertical direction,
the first guide rail (2) is arranged on the bottom surface of the bracket (1),
the second guide rail (10) is arranged on the base (11),
each umbrella-shaped scissors mechanism group comprises at least two groups of rocker units, each group of rocker units is arranged in the vertical direction, the rocker units in different groups are parallel to each other, the rocker units in different groups are sequentially arranged along the width direction of the bracket (1), each group of rocker units comprises two rockers (5 and 6), the middle parts of the two rockers (5 and 6) in the same group of rocker units are hinged with each other,
the top of each rocker (5) of the uppermost umbrella-shaped fork-shearing mechanism group is connected with one first sliding block (3), the bottom of each rocker (6) of the lowermost umbrella-shaped fork-shearing mechanism group is connected with one second sliding block (7), the number of the first guide rails (2) and the number of the second guide rails (10) are equal to the number of the rocker units, the first sliding blocks (3) connected to the tops of the rockers (5) of each rocker unit are suitable for moving relative to one first guide rail (2), and the second sliding blocks (7) connected to the bottoms of the rockers of each rocker unit are suitable for moving relative to one second guide rail (10),
the lower end of the rocker (5) of the umbrella-shaped fork mechanism group positioned above is hinged with the upper end of the rocker (6) of the umbrella-shaped fork mechanism group positioned below,
the driving assembly is connected with the second sliding block (7), drives the second sliding block (7) to synchronously approach to each other or separate from each other, and locks the position after approaching to each other or separating from each other.
2. The vertically elevating support mechanism according to claim 1, wherein the umbrella-type scissor mechanism set located uppermost further comprises a first cross bar (15), crank (4), adjacent two sets of rocker unit's the parallel to each other all be connected with one between two rockers (5) first whippletree (15), two be connected with two between the first whippletree (4), one crank (4) one end and one first whippletree (15) are articulated each other, another crank (4) one end and another first whippletree (15) are articulated each other, two the other end of crank (4) all articulate in the central point of bracket (1) bottom surface puts, is located the top rocker (5) of fork mechanism group are cut through two crank (4) with bracket (1) mutual tractive.
3. The vertical lifting support mechanism according to claim 2, characterized in that a fixed hinged seat (14) is arranged at the center of the bottom surface of the bracket (1), and the other ends of the two cranks (4) are hinged on the fixed hinged seat (14).
4. The vertical lift support mechanism according to claim 3, further comprising a second cross bar (16), wherein the lower end of the rocker (5) of the upper umbrella-shaped scissor mechanism set and the upper end of the rocker (6) of the lower umbrella-shaped scissor mechanism set are both hinged to the second cross bar (16).
5. A vertical lift support mechanism according to claim 4 wherein the upper surface of the bracket (1) is provided with a flexible backing layer (10).
6. The vertical lift support mechanism of claim 5, wherein the drive assembly comprises a power device (17) and a screw (8), an output end of the power device (17) is connected with an input end of the screw (8), the screw (8) is arranged on the base (11), the screw (8) comprises a left rotating thread section and a right rotating thread section, and the second sliding blocks (7) connected to the bottoms of the rockers (5) of the rocker units of the same group are connected with one of the left rotating thread section and the other one of the right rotating thread section.
7. The vertical lift support mechanism of claim 6 further comprising a position sensing device (13), wherein the position sensing device (13) comprises a push rod (131) and a micro switch (135), the push rod (131) is disposed on the bracket (1), the push rod (131) is adapted to move up and down relative to the bracket (1), the micro switch (135) is connected to the bracket (1), the micro switch (135) is located below the push rod (131), the push rod (131) extends out of the bracket (1) when above, the push rod (131) contacts the micro switch (135) when moving to below, and the micro switch (135) is electrically connected to the power device (17).
8. Vertical lift support mechanism according to claim 7, wherein the position sensing means (13) further comprises a sleeve (132), a spring (133), an end cap (134), the ram (131) being arranged in the sleeve (132), and the top rod (131) and the sleeve (132) are coaxially arranged, the end cover (134) is connected to the bottom of the sleeve (132), the top of the ejector rod (131) extends out of the sleeve (132), the bottom of the ejector rod (131) extends out of the end cover (134), the spring (133) is sleeved on the ejector rod (131), and the spring (133) is located between the top rod (131) and the end cap (134), the ejector rod (131) is suitable for moving up and down relative to the sleeve (132) and the end cover (134), an installation space is arranged in the bracket (1), and the sleeve (132) is arranged in the installation space.
9. A vertically elevating support mechanism as claimed in claim 8, wherein the sleeve (132) is threadedly connected to the bracket (1).
10. The vertical lift support mechanism of claim 9 wherein the end cap (134) is threadably coupled to the sleeve (132).
CN202210108978.4A 2022-01-28 2022-01-28 Vertical lifting supporting mechanism Pending CN114538318A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210108978.4A CN114538318A (en) 2022-01-28 2022-01-28 Vertical lifting supporting mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210108978.4A CN114538318A (en) 2022-01-28 2022-01-28 Vertical lifting supporting mechanism

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Publication Number Publication Date
CN114538318A true CN114538318A (en) 2022-05-27

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CN202210108978.4A Pending CN114538318A (en) 2022-01-28 2022-01-28 Vertical lifting supporting mechanism

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Citations (10)

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Application publication date: 20220527