CN111365572B - Projection support and projection system - Google Patents
Projection support and projection system Download PDFInfo
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- CN111365572B CN111365572B CN201811601290.XA CN201811601290A CN111365572B CN 111365572 B CN111365572 B CN 111365572B CN 201811601290 A CN201811601290 A CN 201811601290A CN 111365572 B CN111365572 B CN 111365572B
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- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000013519 translation Methods 0.000 claims abstract description 50
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/045—Allowing translations adapted to left-right translation movement
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/048—Allowing translations adapted to forward-backward translation movement
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- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
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- 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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a projection bracket and a projection system, wherein the projection bracket comprises a main supporting frame, a screen supporting frame and a debugging platform; the debugging platform is arranged on the main supporting frame; the main supporting frame comprises a supporting platform; the debugging platform comprises a mobile platform, a left/right translation mechanism, a front-back translation mechanism and a vertical adjusting mechanism; the left/right translation mechanism is respectively fixed on the first side and the second side of the supporting platform; the mobile platform is clamped between the left/right translation mechanisms; the front and back translation mechanism and the vertical adjusting mechanism are both arranged inside the mobile platform; the position and the inclination angle of the mobile platform can be adjusted by adjusting the left/right translation mechanism, the front/back translation mechanism and the vertical adjusting mechanism, so that the projection distance, the direction and the angle of the short-focus projection equipment placed on the mobile platform can be adjusted, compared with a manual operation mode, the labor intensity is reduced, the adjustment operation is facilitated, the length of time for adjustment is shortened, and the technical problem that the debugging difficulty of the existing short-focus projection system is high is solved.
Description
Technical Field
The invention belongs to the technical field of short-focus projection, and particularly relates to a projection bracket and a projection system.
Background
The short-focus projection system has the advantages that the projection ratio is smaller than that of a long focus, the projection distance can be greatly reduced, the distance between the projector and the display screen is very short, the installation space can be saved compared with that of a traditional long-focus projector, and the advantages are obvious.
In ultra-short focus projection, the position and angle of the host and the screen must be adjusted by professional personnel for a long time to obtain satisfactory display effect and picture quality. The ultra-short focus projection placed on the desktop has high requirements on installation and adjustment technologies, the image projected by the host is debugged to a specified screen, the projection host needs to be frequently lifted to move forwards, backwards, leftwards and rightwards to find the optimal projection distance and direction, and the projection angle is realized by adjusting the caster of the host; it is inconvenient to lift the host computer and transfer the truckle operation, and operating personnel is nearer apart from projector and screen when adjusting the truckle, and operating personnel can't look over the projection effect directly perceived in real time, needs try the operation repeatedly according to the experience, has increased intensity of labour, and the adjustment time is long, and the installation degree of difficulty is big.
Especially, under the flexible and mobile environments such as vehicle-mounted environments, cabin environments, mobile office environments, outdoor activities, camping environments, military command, operations, monitoring, exercise, training and soldier reading, the positions and angles of the projection host and the screen are difficult to keep unchanged relative positions after debugging, and users are difficult to adjust the projection effect due to the fact that no professional debugging capability exists.
Disclosure of Invention
The application provides a projection support and a projection system, and solves the technical problem that an existing short-focus projection system is high in debugging difficulty.
In order to solve the technical problems, the application adopts the following technical scheme:
a projection support comprises a main support frame, a screen support frame and a debugging platform; the screen supporting frame is arranged on the main supporting frame; the debugging platform is arranged on the main supporting frame; the main support frame comprises a support platform; the debugging platform comprises a mobile platform, a left/right translation mechanism, a front-back translation mechanism and a vertical adjusting mechanism; the left/right translation mechanism is respectively fixed on a first side and a second side of the supporting platform; the moving platform is clamped between the left/right translation mechanisms; the front and rear translation mechanisms and the vertical adjusting mechanism are both arranged inside the mobile platform; the first side is opposite to the second side, and the first side and the second side are perpendicular to the screen support frame.
A projection system is provided, which comprises a short-focus projection device, a screen and a projection bracket; the projection bracket comprises a main supporting frame, a screen supporting frame and a debugging platform; the screen supporting frame is arranged on the main supporting frame; the debugging platform is arranged on the main supporting frame; the main support frame comprises a support platform; the debugging platform comprises a mobile platform, a left/right translation mechanism, a front-back translation mechanism and a vertical adjusting mechanism; the left/right translation mechanism is respectively fixed on a first side and a second side of the supporting platform; the moving platform is clamped between the left/right translation mechanisms; the front and rear translation mechanisms and the vertical adjusting mechanism are both arranged inside the mobile platform; the first side and the second side are opposite and are perpendicular to the screen supporting frame; the short-focus projection equipment is arranged on the mobile platform, and the screen is arranged on the screen supporting frame.
Compared with the prior art, the application has the advantages and positive effects that: in the projection bracket and the projection system provided by the application, the projection bracket comprises a main support frame, a screen support frame and a debugging platform, wherein the main support frame comprises a support platform; the mobile platform is clamped between the left/right translation mechanisms; in the application, the short-focus projection equipment is placed on the mobile platform, the left and right positions of the mobile platform are adjusted through the left/right translation mechanism, the effect of adjusting the left and right positions of the short-focus projection equipment is achieved, the front and back positions of the mobile platform are adjusted through the front and back translation mechanism, the effect of adjusting the front and back positions of the short-focus projection equipment is achieved, the angle of the mobile platform is adjusted through the vertical adjusting mechanism, the effect of adjusting the projection angle of the short-focus projection equipment is achieved, compared with the mode that the short-focus projection equipment is manually moved to adjust the projection distance and direction, and the short-focus projection equipment is manually lifted to adjust the casters of the short-focus projection equipment to adjust the projection angle, through the projection support, an operator can adjust the projection distance, direction and angle of the short-focus projection equipment only through adjusting the left/right translation mechanism, the front and back translation mechanism and the vertical adjusting mechanism, labor intensity is reduced, adjustment operation is facilitated, adjustment time length is shortened, and the technical problem that the debugging difficulty of an existing short-focus projection system is high is solved.
Other features and advantages of the present application will become more apparent from the detailed description of the embodiments of the present application when taken in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of a projection bracket according to the present application;
FIG. 2 is a schematic view of a projection bracket according to the present disclosure;
fig. 3 is a schematic structural diagram of a debugging platform according to the present application;
FIG. 4 is a schematic structural diagram of a fore-aft translation mechanism proposed in the present application;
FIG. 5 is a schematic structural view of the left/right translation mechanism proposed in the present application;
fig. 6 is a schematic structural view of a vertical adjustment mechanism proposed in the present application;
fig. 7 is a schematic structural diagram of a screen supporting frame according to the present application;
fig. 8 is a schematic view of an installation structure of a screen hanger according to the present application;
fig. 9 is a schematic view of an installation structure of the screen hanger according to the present application.
Detailed Description
The following description of the embodiments of the present application will be made in detail with reference to the accompanying drawings.
The utility model aims at providing a projection support, arranges short burnt projection equipment in this projection support after, based on this projection support's mechanized regulation, can simplify the regulation step to short burnt projection equipment's projection distance, direction and angle, avoids the problem that the regulation degree of difficulty is high that manual operation brought, as shown in FIG. 1, including main support frame 1, screen support frame 2 and debugging platform 3.
The screen support frame 2 is arranged on the main support frame 1; the debugging platform 3 is arranged on the main supporting frame 1; as shown in fig. 2, the main support frame 1 includes a support platform 11 and support legs 12, and the support legs 12 are designed to have stable angles and position relationships, which ensures the stability of the overall projection support.
As shown in fig. 3, the debugging platform includes a moving platform 31, a left/right translation mechanism 32, a front-back translation mechanism 33, and a vertical adjustment mechanism 34; the left/right translation mechanism 32 is respectively fixed on the first side and the second side of the supporting platform 11; the moving platform 31 is sandwiched between the left/right translation mechanisms 32; the front-back translation mechanism 33 and the vertical adjusting mechanism 34 are both arranged on the moving platform 31; wherein, first avris and second avris are relative, and all are perpendicular with the screen support frame.
As shown in fig. 4, the forward-backward translation mechanism includes a forward-backward adjustment wheel 41, a lead screw 42, a slider 43, and a slider bracket 44; the slide block bracket 44 is fixed on the screw rod 42, the screw rod 42 is screwed with the slide block 43, one end of the screw rod 42 extends out of the moving platform 31 to be connected with the front and back adjusting wheel 41, so that after the front and back adjusting wheel 41 is rotated, the screw rod 42 moves relative to the slide block 43, the screw rod 42 drives the slide block bracket 44 to move, the slide block bracket 44 drives the moving platform 31 to move, and the forward movement or the backward movement is realized according to different rotating directions of the front and back adjusting wheel 41; the supporting platform 11 is provided with a slide block fixing groove 12, and the slide block 43 is partially arranged in the slide block fixing groove 12. As shown in the figure, the sliding block 43 is a T-shaped structure, and the length of the sliding block 43 inserted into the supporting platform 11 is deep enough to ensure that the sliding block 43 is still inserted into the sliding block fixing groove 12 when the moving platform 31 moves; during operation, the front and rear adjusting wheels 41 are rotated forward to drive the screw rod 42 to rotate clockwise, so as to drive the sliding block bracket 44 to move forward, and the sliding block bracket 44 drives the moving platform 31 to move forward, so that forward adjustment of the moving platform is realized; the front and rear adjusting wheels 41 are reversely rotated to drive the screw rod 42 to rotate anticlockwise so as to drive the sliding block bracket 44 to move backwards, and the sliding block bracket 44 drives the moving platform 31 to move backwards so as to realize backward adjustment of the moving platform; the front and back translation adjustment of the mobile platform, namely the front and back position adjustment of the short-focus projection equipment placed on the mobile platform is realized, and the adjustment of the transmission distance of the short-focus projection equipment is also realized.
As shown in fig. 4, a limiting post 45 is fixed at the other end of the screw rod 42, and when the forward and backward adjusting wheel 41 is rotated forward to make the screw rod 42 rotate clockwise and move forward, the screw rod 42 and the slider bracket 44 prop against the limiting post 45 to make the moving platform 31 adjust forward; a limiting bracket 441 is connected to one end of the slider bracket 44 facing the side of the moving platform 31, and when the front and rear adjusting wheel 41 is rotated reversely so that the screw rod 42 rotates counterclockwise and moves backward, the limiting bracket 441 abuts against the inner wall of the side of the moving platform to push the moving platform 31 to adjust backward.
As shown in fig. 5, taking the schematic structural diagram of the left translation mechanism as an example, the right translation mechanism and the left translation mechanism have the same structure and are symmetrically arranged; the left translation mechanism comprises a left fixed seat 51, a left sliding plate 52, a left spring 53 and a left screw rod 54; the left fixed seat 51 is fixed on a first side of the supporting platform 11; the left sliding plate 52 is arranged opposite to the left fixed seat 51, and the left screw rod 54 passes through the left fixed seat 51 and is screwed into the left sliding plate 52; the left spring 53 is clamped between the left fixed seat 51 and the left sliding plate 52; similarly, the right translation mechanism comprises a right fixed seat, a right sliding plate, a right spring and a right screw rod; the right fixed seat is fixed on the second side of the supporting platform 11; the right sliding plate is arranged opposite to the right fixed seat, and the right screw rod penetrates through the right fixed seat and is screwed into the right sliding plate; the right spring is clamped between the right fixed seat and the right sliding plate; the movable platform 31 is clamped between the left sliding plate and the right sliding plate; and guide pins 55 are respectively fixed on the left/right fixed seats to guide the left/right springs.
During operation, if the moving platform 31 needs to be adjusted to the right, the left translation mechanism is adjusted, the left screw rod 54 is rotated, the left screw rod 54 moves to the right and props against the left sliding plate 52 to move to the right, so that the moving platform 31 is pushed to the right, the left spring 53 is stretched, the right spring is pushed by the right sliding block to be compressed, and the moving platform is clamped by the left sliding block and the right sliding block. If the mobile platform needs to be adjusted leftwards, the right translation mechanism is adjusted, the right screw rod is rotated, the right screw rod moves leftwards to prop the right sliding plate to move leftwards, so that the mobile platform is pushed leftwards, the right spring is stretched, and the left spring is pushed by the left sliding block to be compressed; the left-right translation adjustment of the mobile platform, namely the left-right position adjustment of the short-focus projection equipment placed on the mobile platform is realized, and the adjustment of the projection direction of the short-focus projection equipment is also realized
As shown in fig. 6, the vertical adjustment mechanism includes a vertical rotation lever 61, a horizontal rotation lever 62, and a rotation wheel 63; the vertical rotating rod 61 is vertically fixed inside the moving platform 31, and the bottom of the vertical rotating rod extends out of the bottom of the moving platform 31 and abuts against the supporting platform 11; the rotating wheel 63 is fixed on the periphery of the vertical rotating shaft 61; the horizontal rotating rod 62 and the vertical rotating rod 61 are relatively vertically screwed on the rotating wheel 63, and one end of the horizontal rotating rod 62, which extends out of the side edge of the moving platform 31, is connected with a knob 64; the runner 63 plays the effect of converting horizontal acting force into vertical acting force, and when the inclination of moving platform was adjusted to needs, the horizontal bull stick 62 of rotating realized shifting from top to bottom of horizontal bull stick through the effect of runner 63 to drive reciprocating motion of moving platform, played the effect of adjusting moving platform inclination, and the adjustment of moving platform inclination has also realized the adjustment of short burnt projection apparatus projection angle. To prevent the gravity action of the short focus projection device from possibly causing the height and angle of the mobile platform to change, the knob 64 is designed with a self-locking structure.
The vertical adjusting mechanism can be arranged on any side of the mobile platform according to the adjusting requirement, and one side of the mobile platform is driven to incline by up-down adjustment, so that the inclination of the whole mobile platform is realized. As a preferred embodiment, the application proposes three vertical adjustment mechanisms, as shown in fig. 3, wherein two vertical adjustment mechanisms are separated by a set distance and are installed at the third side of the mobile platform, and one vertical adjustment mechanism is installed at the fourth side of the mobile platform (not shown in the figure); the third side and the fourth side are opposite and are parallel to the screen support frame; and the adjustment of the inclination angle of the mobile platform is realized by jointly adjusting the stable structure relationship of the vertex of the triangle.
As shown in fig. 7, in the projection bracket provided by the present application, a screen is hung on a screen support frame, and the screen support frame includes a cross beam 71 and a vertical beam 72 that are vertically fixed to each other; the screen hanging frame 73 is installed on the cross beam 71, and the screen is hung on the screen supporting frame through the screen hanging frame 73, so that the screen is prevented from being stressed and distorted.
Specifically, as shown in fig. 8, the screen hanger 73 includes a first hanger 731 and a pulley 732 fixed to the first hanger 731; the beam 71 is provided with a chute 711; the pulley 732 is arranged in the sliding groove 711 to realize the connection of the screen hanging rack and the cross beam, and the pulley 732 can slide in the sliding groove 711 to realize the position adjustment of the screen hanging rack 73. Alternatively, as shown in fig. 9, the screen hanger includes a second hanger 733 and a hinge wheel 734 fixed to the cross beam, the second hanger 733 being disposed on the hinge wheel 734; the hinge wheel 734 is provided with a hanging groove, so that the second hanger 733 can move relative to the hinge wheel, thereby realizing the position adjustment of the screen hanger.
In order to prevent the screen hanger from moving in the left-right direction and limit the screen hanger after the fixing position is adjusted, in the embodiment of the present application, as shown in fig. 8 and 9, a limiting hole 712 is formed on the cross beam 71; a limiting member 75, such as a magnet, a magnetic nail, etc., passes through the limiting hole 712 to limit the screen hanging rack.
Based on the projection bracket, the application also provides a projection system, which comprises short-focus projection equipment, a screen and the projection bracket; the short-focus projection equipment is arranged on the mobile platform, and the screen is arranged on the screen support frame; the left and right positions of the moving platform are adjusted through the left/right translation mechanism, the effect of adjusting the left and right positions of the short-focus projection equipment is achieved, the front and back positions of the moving platform are adjusted through the front and back translation mechanisms, the effect of adjusting the front and back positions of the short-focus projection equipment is achieved, the angle of the moving platform is adjusted through the vertical adjusting mechanism, the effect of adjusting the projection angle of the short-focus projection equipment is achieved, compared with the mode that the short-focus projection equipment is manually moved to adjust the projection distance and the projection direction, and the short-focus projection equipment is manually lifted to adjust the caster of the short-focus projection equipment to adjust the projection angle, through the projection support, an operator can adjust the projection distance, the direction and the projection angle of the short-focus projection equipment only through the left/right translation mechanism, the front and back translation mechanism and the vertical adjusting mechanism, the labor intensity is reduced, the adjusting operation is facilitated, the adjusting time is shortened, and the technical problem that the debugging difficulty of an existing short-focus projection system is high is solved.
After the first adjustment debugging platform has realized the best projection effect, when changing application place and needing to dismantle, take short burnt projection equipment in order, the screen, pack up the main tributary strut, screen support and debugging platform can, new application place has been arrived, only need assemble main tributary strut in proper order, screen support and debugging platform, place short burnt projection equipment in mobile platform, and with the screen hang on the screen support frame can, need not to adjust once more, to the user, can build projection system fast and realize the best projection effect, user's use experience has been improved.
It should be noted that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also make changes, modifications, additions or substitutions within the spirit and scope of the present invention.
Claims (7)
1. A projection support is characterized by comprising a main support frame, a screen support frame and a debugging platform; the screen supporting frame is arranged on the main supporting frame; the debugging platform is arranged on the main supporting frame; the main support frame comprises a support platform;
the debugging platform comprises a mobile platform, a left/right translation mechanism, a front-back translation mechanism and a vertical adjusting mechanism;
the left/right translation mechanism is respectively fixed on a first side and a second side of the supporting platform; the moving platform is clamped between the left/right translation mechanisms; the front and back translation mechanism and the vertical adjusting mechanism are both arranged on the mobile platform;
the first side and the second side are opposite and are perpendicular to the screen supporting frame;
the front and back translation mechanism comprises a front and back adjusting wheel, a screw rod, a sliding block and a sliding block bracket;
the sliding block bracket is fixed on the screw rod, the screw rod is connected with the sliding block in a screwing way, one end of the screw rod extends out of the moving platform and is connected with the front and back adjusting wheels, so that the screw rod moves relative to the sliding block after the front and back adjusting wheels are rotated; a sliding block fixing groove is formed in the supporting platform, and the sliding block part is arranged in the sliding block fixing groove;
the left/right translation mechanism comprises a left/right fixed seat, a left/right sliding plate, a left/right spring and a left/right screw rod;
the left/right fixed seats are respectively fixed on the first side and the second side of the supporting platform; the left/right sliding plate is respectively arranged opposite to the left/right fixed seat, and the movable platform is clamped between the left/right sliding plates; the left/right screw rod respectively penetrates through the left/right fixed seat and is screwed into the left/right sliding plate; the left/right spring is respectively clamped between the left/right fixed seat and the left/right sliding plate;
the vertical adjusting mechanism comprises a vertical rotating rod, a horizontal rotating rod and a rotating wheel;
the vertical rotating rod is vertically fixed inside the moving platform, and the bottom of the vertical rotating rod extends out of the bottom of the moving platform and abuts against the supporting platform; the rotating wheel is fixed on the periphery of the vertical rotating rod; the horizontal rotating rod and the vertical rotating rod are connected to the rotating wheel in a rotating mode, and a knob is connected to one end of the horizontal rotating rod, extending out of the side edge of the moving platform.
2. The projection support of claim 1, wherein the screen support frame comprises a cross beam and a vertical beam fixed perpendicular to each other; the screen hanging frame is arranged on the cross beam;
the screen hanging frame comprises a first hanging frame and a pulley fixed on the first hanging frame; the cross beam is provided with a sliding groove; the pulley is arranged in the sliding groove to realize the connection between the screen hanging rack and the cross beam; or the screen hanging rack comprises a second hanging rack and a hinge wheel fixed on the cross beam, and the second hanging rack is arranged on the hinge wheel.
3. The projection bracket of claim 2, wherein the beam is provided with a limiting hole; and a limiting piece penetrates through the limiting hole to limit the screen hanging frame.
4. The projection bracket of claim 1, wherein a limit post is fixed to the other end of the screw rod; and/or one end of the sliding block bracket, which faces the side of the mobile platform, is connected with a limiting bracket.
5. The projection mount of claim 1, wherein the slider is a T-shaped slider.
6. The projection mount of claim 1, wherein the vertical adjustment mechanisms are three; two of the two sets of the distance-separated sets are arranged on the third side of the mobile platform, and one set is arranged on the fourth side of the mobile platform; the third side is opposite to the fourth side, and the third side and the fourth side are parallel to the screen support frame.
7. A projection system comprising a short focus projection device and a screen, further comprising a projection mount according to any of claims 1-6; the short-focus projection equipment is arranged on the mobile platform, and the screen is arranged on the screen supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601290.XA CN111365572B (en) | 2018-12-26 | 2018-12-26 | Projection support and projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811601290.XA CN111365572B (en) | 2018-12-26 | 2018-12-26 | Projection support and projection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111365572A CN111365572A (en) | 2020-07-03 |
| CN111365572B true CN111365572B (en) | 2023-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811601290.XA Active CN111365572B (en) | 2018-12-26 | 2018-12-26 | Projection support and projection system |
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| CN (1) | CN111365572B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112975822B (en) * | 2021-02-26 | 2023-05-02 | 中国科学院合肥物质科学研究院 | Water-cooled magnet long-tail Dewar mounting device and use method thereof |
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| CN103365059B (en) * | 2012-04-10 | 2015-08-26 | 精工爱普生株式会社 | Optical projection system, support member and method for displaying image |
| CN202585511U (en) * | 2012-05-17 | 2012-12-05 | 东莞宏威数码机械有限公司 | Non-contact type alignment device |
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