CN212700555U - Uniform telescopic split curtain scissors fork device - Google Patents
Uniform telescopic split curtain scissors fork device Download PDFInfo
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- CN212700555U CN212700555U CN202020968181.8U CN202020968181U CN212700555U CN 212700555 U CN212700555 U CN 212700555U CN 202020968181 U CN202020968181 U CN 202020968181U CN 212700555 U CN212700555 U CN 212700555U
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Abstract
The utility model relates to a uniform expansion split curtain scissors fork device, which comprises two vertically arranged mounting plates and a symmetrically arranged scissors fork mechanism, wherein the scissors fork mechanism comprises a plurality of expansion joints and oil cylinders, the expansion joints comprise at least two groups of symmetrically arranged cross arms and a first connecting rod vertically connected with the symmetric cross arms, the cross arms comprise a first arm plate and a second arm plate which are arranged in a cross way, the cross part is provided with a vertical first shaft body, the cross part is provided with a first cross beam and a second cross beam respectively, a hinged base is respectively arranged between the first arm plates of the symmetric cross arms at the two ends of the expansion joints and the cross part between the first arm plate and the second arm plate of the symmetric cross arms, the hydraulic rods of the oil cylinders and the first cross beam and the second cross beam respectively, the structure is supported stably, the cross angle is changed by realizing the uniform expansion and contraction of the whole scissors fork mechanism through mutual linkage, the phenomenon that the cloth is torn due to the uneven expansion and contraction distance between the adjacent hanging points, the split curtain can run uniformly, reliably and stably, and the stage presenting effect is guaranteed.
Description
Technical Field
The utility model relates to an even flexible curtain scissors fork device of running from opposite directions belongs to stage mechanical equipment technical field.
Background
When the performance starts or ends or scenes are placed, the stage curtain is pulled or closed, which is an important link of the stage performance, and when the size and the whole weight of the stage curtain are larger, a mechanical auxiliary curtain is required to be pulled to ensure the curtain to be pulled. The stage among the prior art is to opening curtain machinery generally adopts track jib machine structure, each hoisting point of curtain is connected to the lifting rope on the serving of the jib machine on through the track, the jib machine drags the curtain hoisting point along track removal and realizes opening the curtain, when the hoisting point figure increases with the required length of track, the interval between the adjacent jib machine is difficult to coordinated control, lead to on the curtain flexible interval between the adjacent hoisting point difficult to even, easily produce the curtain obviously rock and tear even tear and break, be difficult to guarantee to open the curtain evenly, reliably, move steadily, thereby influence the stage and present the effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's defect, provide an even flexible curtain scissors fork device of running from opposite directions, structural support is stable, and mutual linkage realizes that scissors fork mechanism is whole evenly flexible, has avoided the flexible interval between the adjacent hoisting point of curtain to change the inequality and has leaded to the cloth to tear the phenomenon, runs evenly, reliably, steadily to opening the curtain, has ensured the stage and has presented the effect.
The utility model discloses a realize through following technical scheme:
a uniform-telescopic split-curtain scissors and fork device comprises two vertically arranged mounting plates and scissors and fork mechanisms symmetrically arranged on the two mounting plates respectively, wherein each scissors and fork mechanism comprises a plurality of telescopic joints and an oil cylinder, each telescopic joint comprises at least two groups of symmetrically arranged cross arms and first connecting rods vertically connected with the symmetrical cross arms, and each cross arm comprises a first arm plate and a second arm plate which are arranged in a cross mode and vertical to a first shaft body;
the first connecting rod is positioned between a first arm plate and a second arm plate which are arranged in a crossed manner on adjacent crossed arms, a first cross beam and a second cross beam are respectively and vertically arranged between the first arm plates of the symmetrical crossed arms at two ends of the telescopic joint and at the crossed positions of the first arm plates and the second arm plates of the symmetrical crossed arms, and hinged hinge seats are respectively arranged between the hydraulic rods of the oil cylinder and the first cross beam and the second cross beam;
the first arm plate and the second arm plate at the end parts of the adjacent telescopic joints are arranged in a crossed manner and are provided with second shaft bodies, the second arm plate at one end of the scissors fork mechanism is symmetrical to the second arm plate and is provided with a second connecting rod, the second connecting rod is provided with a first sliding block, the mounting plate is provided with a first sliding rail in sliding fit with the first sliding block, and a fixed seat is arranged between a first cross beam in a plane where the second connecting rod is located and the mounting plate;
be equipped with the third connecting rod coaxial with the second shaft body between the symmetry second armboard of adjacent telescopic joint, be equipped with the fourth connecting rod that passes perpendicularly on the second crossbeam of weighing scissors fork mechanism, fourth connecting rod tip is equipped with the second slider, be equipped with on the mounting panel with second slider sliding fit's second slide rail, all be equipped with a plurality of rings on first crossbeam and a plurality of first connecting rods that are located the bottom.
The utility model has the advantages that:
(1) the hydraulic rod of the oil cylinder in each telescopic joint in the scissor fork mechanism contracts to enable the oil cylinder and the hydraulic rod to deflect on the hinged seat, the first arm plate and the second arm plate are connected in a cross mode through the first shaft body in the symmetrical cross arms of each telescopic joint to change the cross angle, the first arm plate and the second arm plate of the adjacent cross arms are linked through the first connecting rod to change the cross angle, the scissor fork mechanism is integrally and uniformly contracted through mutual linkage, and the scissor fork mechanism gradually approaches to the edge of a stage to realize split curtain;
(2) first slider on the second connecting rod and the ascending direction of vertical first slide rail sliding fit guarantee to support the operation reliably, fourth connecting rod supporting action on the second crossbeam is down through second slider and second slide rail sliding fit direction, the structural support is stable, the curtain is realized to closing by the hydraulic stem extension reverse action of hydro-cylinder, compare traditional track loop wheel machine structure, the even flexible steady action of whole linkage, the flexible interval between having avoided the adjacent hoisting point of curtain changes the inequality and leads to the cloth to tear the phenomenon, the assurance is to opening the curtain evenly, reliably, move steadily, the stage is ensured to present the effect.
Drawings
Fig. 1 is a mounting structure diagram of the stage rack of the present invention.
Fig. 2 is a top perspective view of the scissors mechanism of the present invention.
Fig. 3 is a bottom perspective view of the scissors mechanism of the present invention.
Fig. 4 is a bottom view of the scissors and fork mechanism of the present invention.
The labels in the figure are: the mounting plate 1, the scissors fork mechanism 2, the telescopic joint 21 and the hydro-cylinder 22, the arm 23 that crosses, first connecting rod 24, the first axle body 3, first armplate 231 and second armplate 232, first crossbeam 4 and second crossbeam 5, hydraulic stem 6, articulated seat 7, the second axle body 8, second connecting rod 9, first slider 10, first slide rail 11, fixing base 12, third connecting rod 13, fourth connecting rod 14, second slider 15, second slide rail 16, limiting plate 17, waist type mounting hole 18, rings 19, stage frame 25, lifting rope 26, curtain 27.
Detailed Description
The following describes the present invention with reference to the accompanying drawings.
A uniform telescopic split curtain scissors and fork device comprises two vertically arranged mounting plates 1 and scissor and fork mechanisms 2 symmetrically arranged on the two mounting plates 1 respectively, wherein each scissor and fork mechanism 2 comprises a plurality of telescopic joints 21 and oil cylinders 22, each telescopic joint 21 comprises at least two groups of symmetrically arranged cross arms 23 and first connecting rods 24 vertically connected with the symmetrical cross arms 23, and each cross arm 23 comprises a first arm plate 231 and a second arm plate 232 which are arranged in a crossed manner and are vertical to a first shaft body 3;
the first connecting rod 24 is positioned between first arm plates 231 and second arm plates 232 which are arranged in a crossed manner on adjacent crossed arms 23, first cross beams 4 and second cross beams 5 are respectively and vertically arranged between the first arm plates 231 of the symmetrical crossed arms 23 at two ends of the telescopic joint 21 and at the crossed positions of the first arm plates 231 and the second arm plates 232 of the symmetrical crossed arms 23, and hinged hinge seats 7 are respectively arranged between the hydraulic rods 6 of the oil cylinders 22 and the first cross beams 4 and the second cross beams 5;
the first arm plate 231 and the second arm plate 232 at the end parts of the adjacent telescopic joints 21 are arranged in a crossed manner and are provided with second shaft bodies 8, the symmetrical second arm plate 232 at one end of the scissor fork mechanism 2 is provided with a second connecting rod 9, the second connecting rod 9 is provided with a first sliding block 10, the mounting plate 1 is provided with a first sliding rail 11 in sliding fit with the first sliding block 10, and a fixed seat 12 is arranged between the first cross beam 4 and the mounting plate 1 in the plane of the second connecting rod 9;
a third connecting rod 13 coaxial with the second shaft body 8 is arranged between symmetrical second arm plates 232 of adjacent telescopic joints 21, a second cross beam 5 of the scissor fork mechanism 2 is provided with a fourth connecting rod 14 which vertically penetrates through the second connecting rod 14, the end part of the fourth connecting rod 14 is provided with a second sliding block 15, the mounting plate 1 is provided with a second sliding rail 16 in sliding fit with the second sliding block 15, the number of oil cylinders 22 in each telescopic joint 21 is two, the fourth connecting rod 14 is positioned between the two oil cylinders 22, the fourth connecting rod 14 is provided with a limiting plate 17 positioned at the end part of the scissor fork mechanism 2, and the first sliding rail 11 and the second sliding rail 16 are both in an I-shaped sliding rail;
a plurality of waist-shaped mounting holes 18 are formed in the mounting plate 1, and a plurality of lifting rings 19 are arranged on the first cross beam 4 and a plurality of first connecting rods 24 positioned at the bottom.
The utility model discloses a theory of operation does:
referring to fig. 1, two mounting plates 1 are vertically fixed on a stage frame 25 through waist-shaped mounting holes 18, lifting rings 19 of two symmetrical scissor mechanisms 2 are connected with a split curtain 27 through lifting ropes 26, oil cylinders 22 are connected with a hydraulic oil supply system, when the curtain is split, hydraulic rods 6 of the oil cylinders 22 in telescopic joints 21 in the scissor mechanisms 2 contract, the oil cylinders 22 and the hydraulic rods 6 deflect on hinged seats 7, and symmetrical cross arms 23 of the telescopic joints 21 are pulled to be in cross connection with first arm plates 231 and second arm plates 232 through first shaft bodies 3 to change cross angles;
the first arm plate 231 and the second arm plate 232 of the adjacent cross arm 23 are linked through the first connecting rod 24 to change the cross angle, so that the contraction of each telescopic joint 21 in the horizontal direction is realized, the adjacent telescopic joints 21 are mutually transmitted under the connecting and supporting action of the second shaft body 8 and the third connecting rod 13, the cross angle between the first arm plate 231 and the second arm plate 232 of the adjacent telescopic joints 21 is changed, and the overall contraction of the scissor fork mechanism 2 is realized;
in the contraction process, the first sliding block 10 on the second connecting rod 9 is matched with the vertical I-shaped first sliding rail 11 in a sliding way to ascend and guide to ensure that the supporting operation is reliable, the fourth connecting rod 14 on the second cross beam 5 is matched with the second sliding rail 16 in a sliding way to guide through the second sliding block 15 under the supporting action, the structural supporting and contraction action is stable and reliable, the scissor fork mechanism 2 is integrally contracted to drive the distance between the lifting points of the lifting ropes 26 on the lifting rings 19 to be reduced, and the lifting ropes gradually approach to the edge of the stage towards the mounting plate 1 to realize the opposite opening of the curtain 27;
when the curtain is closed, the hydraulic rod 6 of the oil cylinder 22 extends, the symmetrical scissors fork mechanism 2 moves in the horizontal direction in a reverse action manner, the curtain 27 is driven to gradually approach, and the limiting plate 17 plays a limiting role until the curtain 27 is closed, so that the curtain is closed;
to sum up, the utility model discloses more traditional track loop wheel machine structure, the even shrink stable action of the whole linkage of scissors fork device has avoided the flexible interval between the adjacent hoisting point of curtain 27 to change the inequality and has leaded to the cloth to tear the phenomenon, guarantees to run evenly, reliably, steadily to the curtain of opening, has ensured the stage and has presented the effect.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. The uniform-telescopic split-curtain scissors and fork device is characterized by comprising two vertically arranged mounting plates and symmetrically arranged scissors and fork mechanisms respectively positioned on the two mounting plates, wherein each scissors and fork mechanism comprises a plurality of telescopic joints and oil cylinders, each telescopic joint comprises at least two groups of symmetrically arranged cross arms and first connecting rods vertically connected with the symmetrical cross arms, and each cross arm comprises a first arm plate and a second arm plate which are arranged in a cross mode and vertical to a first shaft body;
the first connecting rod is positioned between a first arm plate and a second arm plate which are arranged in a crossed manner on adjacent crossed arms, a first cross beam and a second cross beam are respectively and vertically arranged between the first arm plates of the symmetrical crossed arms at two ends of the telescopic joint and at the crossed positions of the first arm plates and the second arm plates of the symmetrical crossed arms, and hinged hinge seats are respectively arranged between the hydraulic rods of the oil cylinder and the first cross beam and the second cross beam;
first armplate and the second armplate cross arrangement of adjacent telescopic joint tip and be equipped with the secondary shaft body, be equipped with the second connecting rod on the symmetry second armplate of scissors fork mechanism one end, be equipped with first slider on the second connecting rod, be equipped with on the mounting panel with first slider sliding fit's first slide rail, be equipped with the fixing base between first crossbeam in second connecting rod place plane and the mounting panel.
2. The device as claimed in claim 1, wherein a third connecting rod is provided between the symmetrical second arms of the adjacent telescopic joints, and the third connecting rod is coaxial with the second shaft.
3. The device as claimed in claim 1, wherein the second beam of the symmetrical scissors mechanism has a vertically passing fourth link, the end of the fourth link has a second slider, and the mounting plate has a second slide rail slidably engaged with the second slider.
4. The apparatus of claim 3, wherein the number of cylinders in each telescopic joint is two, and the fourth link is located between the two cylinders.
5. The uniform telescopic curtain-bisecting scissors fork device as claimed in claim 3, wherein a limiting plate is arranged on the fourth connecting rod and located at an end of the scissors fork mechanism, and the first sliding rail and the second sliding rail are both I-shaped sliding rails.
6. The uniform telescopic curtain scissor assembly of claim 1, wherein the mounting plate includes a plurality of kidney-shaped mounting holes.
7. The device as claimed in any one of claims 1 to 6, wherein the first beam and the first connecting rods at the bottom are provided with a plurality of rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968181.8U CN212700555U (en) | 2020-06-01 | 2020-06-01 | Uniform telescopic split curtain scissors fork device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968181.8U CN212700555U (en) | 2020-06-01 | 2020-06-01 | Uniform telescopic split curtain scissors fork device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212700555U true CN212700555U (en) | 2021-03-16 |
Family
ID=74948316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020968181.8U Active CN212700555U (en) | 2020-06-01 | 2020-06-01 | Uniform telescopic split curtain scissors fork device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212700555U (en) |
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2020
- 2020-06-01 CN CN202020968181.8U patent/CN212700555U/en active Active
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