CN110274129B - Electric adjusting base of projection display equipment - Google Patents
Electric adjusting base of projection display equipment Download PDFInfo
- Publication number
- CN110274129B CN110274129B CN201910649824.4A CN201910649824A CN110274129B CN 110274129 B CN110274129 B CN 110274129B CN 201910649824 A CN201910649824 A CN 201910649824A CN 110274129 B CN110274129 B CN 110274129B
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- translation
- displacement
- driving motor
- guide rail
- displacement driving
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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
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
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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
Abstract
The invention discloses an electric adjusting base of projection display equipment, relates to the field of projection display, and solves the technical problem of providing an electric adjusting base capable of quickly adjusting the position of a projection picture and correcting trapezoidal distortion of the projection picture. The technical scheme adopted by the invention is as follows: the electric adjusting base of the projection display equipment comprises a bottom plate component, a front and back translation component, a left and right translation component and an upper cover component, wherein the bottom plate component comprises a bottom plate, and the front and back translation component is arranged on the bottom plate and can realize displacement adjustment in the front and back directions; the left and right translation components are arranged on the front and rear translation components, so that left and right reverse displacement adjustment can be realized; the upper cover component is arranged on the left translation component and the right translation component, and can realize the adjustment of rotary displacement. The projection equipment is arranged on the cover plate, and can be adjusted in the front-back direction, the left-right direction, the up-down direction and the rotating direction. The upper cover assembly can also realize horizontal adjustment, so that the position and the trapezoidal distortion of a projection picture are adjusted and corrected in a five-dimensional electric adjustment mode.
Description
Technical Field
The invention relates to the field of projection display, in particular to an electric adjusting base which adjusts the position of a projected picture and corrects the trapezoidal distortion of the projected picture by adjusting the position of projection display equipment.
Background
The ultra-short focus projector has smaller distance requirement, often only needs dozens of centimeters of projection distance, and can project larger picture in shorter distance. The ultra-short-focus projector needs to be placed in front of the projection screen, so that the space is saved compared with the conventional projector which can only be installed in the middle of a roof.
At present, the existing ultra-short focal length projection products in the market can project 100 inches or more of pictures within a distance of about 0.7 m. Due to the short-distance projection, the small movement of the projector position can cause the image to deviate a lot, and when the projection equipment is installed, the projection image needs to be adjusted to a proper position on the screen manually, which is more complicated and troublesome.
Disclosure of Invention
The invention aims to provide an electric adjusting base which can quickly adjust the position of a projection picture and correct the trapezoidal distortion of the projection picture.
The technical scheme adopted by the invention for solving the technical problems is as follows: the electric adjusting base of the projection display equipment comprises a bottom plate component, a front and back translation component, a left and right translation component and an upper cover component, wherein the bottom plate component comprises a bottom plate, and two front and back displacement guide rails which are parallel to each other are arranged on the top surface of the bottom plate;
the front and rear translation assembly comprises a front and rear translation bracket and a front and rear displacement driving motor, the front and rear translation bracket is arranged on the front and rear displacement guide rail, the front and rear displacement driving motor is fixedly arranged on the bottom plate, and the front and rear displacement driving motor can drive the front and rear translation bracket to reciprocate along the front and rear displacement guide rail; the top of the front and rear translation support is also provided with two parallel left and right displacement guide rails which are vertical to each other;
the left and right translation assembly comprises a left and right translation bracket and a left and right displacement driving motor, the left and right translation bracket is arranged on the left and right displacement guide rails, the left and right displacement driving motor is fixedly arranged on the front and rear translation bracket, and the left and right displacement driving motor can drive the left and right translation bracket to reciprocate along the left and right displacement guide rails; a rotating motor is fixedly arranged on the outer side of the left translation bracket and the outer side of the right translation bracket, and an output shaft of the rotating motor is connected with a driving gear;
the upper cover subassembly includes the apron, and the apron passes through apron installation hub connection in the top of controlling the translation support, and the bottom surface setting of apron is curved driven gear, and the centre of a circle of driven gear place circular arc is located apron installation axle, rotating electrical machines's driving gear and the driven gear meshing of apron.
Further, the method comprises the following steps: the upper cover assembly further comprises an upper displacement driving motor and a lower displacement driving motor, three upper displacement driving motors and three lower displacement driving motors are arranged in the cover plate, and three supporting positions are formed on the top of the cover plate respectively by the three upper displacement driving motors and the three lower displacement driving motors.
Specifically, the method comprises the following steps: the up-down displacement driving motor is a thrust motor.
Further, the method comprises the following steps: the front and rear translation assembly also comprises a front and rear displacement driving motor bracket, the front and rear displacement driving motor is arranged on the front and rear displacement driving motor bracket, and the front and rear displacement driving motor bracket is fixedly arranged on the bottom plate; an output shaft of the front and rear displacement driving motor is connected with a screw rod, and the screw rod is matched with the front and rear translation supports and can push the front and rear translation supports to reciprocate along the front and rear displacement guide rails.
Further, the method comprises the following steps: the left and right translation assembly further comprises a left and right displacement driving motor bracket, the left and right displacement driving motors are mounted on the left and right displacement driving motor brackets, and the left and right displacement driving motor brackets are fixedly mounted on the front and rear translation brackets; the output shaft of the left and right displacement driving motors is connected with a screw rod, and the screw rod is matched with the left and right translation supports and can push the left and right translation supports to reciprocate along the left and right displacement guide rails.
Further, the method comprises the following steps: a speed reducing mechanism is arranged between an output shaft of the rotating motor and the driven gear on the bottom surface of the cover plate, and the speed reducing ratio of the speed reducing mechanism is 100: 1-20: 1.
Further, the method comprises the following steps: the top surface of the bottom plate is provided with two groups of four front and rear displacement guide rail upper brackets, and a front and rear displacement guide rail is arranged between the front and rear displacement guide rail upper brackets of each group in a penetrating way; the bottom surface of the front and rear translation supports is provided with two groups of four front and rear displacement guide rail upper supports in total, and each group of front and rear displacement guide rail upper supports are respectively arranged outside the front and rear displacement guide rails in a penetrating way.
Further, the method comprises the following steps: the top surface of the front and rear translation support is provided with two groups of four left and right displacement guide rail upper supports in total, and a left and right displacement guide rail is arranged between the left and right displacement guide rail upper supports of each group in a penetrating way; the bottom surface of the left and right translation supports is provided with two groups of four left and right displacement guide rail upper supports, and the left and right displacement guide rail upper supports of each group are respectively arranged outside the left and right displacement guide rails in a penetrating way.
Further, the method comprises the following steps: the top of the left translation support and the right translation support are provided with arc-shaped supporting guide rails, the bottom surface of the cover plate is provided with a movable guide rail, the movable guide rail and the supporting guide rails are matched with each other, and the circle centers of the movable guide rail and the supporting guide rail are located at the center of the cover plate mounting shaft.
Further, the method comprises the following steps: and a ball or a roller is also arranged between the supporting guide rail and the movable guide rail.
The electric adjusting base of the projection display equipment has the advantages that: the projection equipment is placed on the cover plate, and electric adjustment of the projection equipment in the front-back direction, the left-right direction and the rotating direction can be achieved. The displacement in the front-back direction is used for adjusting the size of a projected picture, the displacement in the left-right direction is used for adjusting the position of the projected picture in the left-right direction, the displacement in the up-down direction is used for adjusting the position of the projected picture in the up-down direction, and the rotation direction adjustment is used for correcting the trapezoidal distortion of the projected picture. The position and the trapezoidal distortion of the picture projected by the projection display equipment are adjusted through the motor, the adjustment process is simple and quick, the resetting is easy after the position is moved, the operation is convenient and practical, the development of laser televisions and projector industries is greatly promoted, and the market application prospect is very wide.
The upper cover component further comprises an upper displacement driving motor and a lower displacement driving motor, and the upper displacement driving motor and the lower displacement driving motor are matched with each other to adjust the horizontal position of the projection equipment. The front and rear displacement guide rails are arranged between the bottom plate and the front and rear translation brackets, and the left and right displacement guide rails are arranged between the front and rear translation brackets and the left and right translation brackets, so that the stability of the integral structure of the invention is ensured, and the accurate adjustment and control of the translation distance in the front and rear direction and the left and right direction are facilitated. A supporting guide rail and a moving guide rail are arranged between the left translation support and the right translation support and the cover plate, so that the cover plate can rotate more stably. And balls or rollers are arranged between the supporting guide rail and the movable guide rail, so that the resistance of the cover plate in the rotating process can be reduced.
Drawings
Fig. 1 is a schematic three-dimensional structure of the present invention.
Fig. 2 is an assembly schematic of the floor assembly of the present invention.
FIG. 3 is an assembled schematic view of the fore-aft translation assembly of the present invention.
FIG. 4 is an assembled schematic view of the left and right translation assemblies of the present invention.
Fig. 5 is an assembly view of the upper cover assembly of the present invention.
Fig. 6 is a general assembly schematic of the present invention.
Parts, positions and numbers in the drawings: the device comprises a bottom plate component 1, a bottom plate 1-1, a front and back displacement guide rail 1-2 and a front and back displacement guide rail upper bracket 1-3; the device comprises a front and rear translation assembly 2, a front and rear translation support 2-1, a front and rear displacement driving motor 2-2, a left and right displacement guide rail 2-3, a front and rear displacement driving motor support 2-4, a front and rear displacement guide rail upper support 2-5 and a left and right displacement guide rail upper support 2-6; the device comprises a left-right translation assembly 3, a left-right translation bracket 3-1, a left-right displacement driving motor 3-2, a rotating motor 3-3, a driving gear 3-4, a cover plate mounting shaft 3-5, a left-right displacement driving motor bracket 3-6, a left-right displacement guide rail upper bracket 3-7 and a supporting guide rail 3-8; the device comprises an upper cover assembly 4, a cover plate 4-1, a driven gear 4-2, an up-down displacement driving motor 4-3, a support position 4-4 and a movable guide rail 4-5.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, the electric adjustment base of the projection display device of the present invention includes a bottom plate assembly 1, a front-back translation assembly 2, a left-right translation assembly 3, and an upper cover assembly 4, wherein the bottom plate assembly 1, the front-back translation assembly 2, the left-right translation assembly 3, and the upper cover assembly 4 are sequentially stacked from bottom to top, and finally form an integral structure.
The bottom plate assembly 1 comprises a bottom plate 1-1, the bottom plate 1-1 is used for installing and bearing other upper components, the bottom plate 1 can be of a solid or hollowed structure, and the bottom plate 1 can be rectangular, square or circular. As shown in fig. 2 and 6, the base plate 1-1 has a rectangular shape and a solid structure. Two parallel front and back displacement guide rails 1-2 are arranged on the top surface of the bottom plate 1-1. Specifically, the top surface of the bottom plate 1-1 is provided with two groups of four front and rear displacement guide rail upper brackets 1-3 in total, the front and rear displacement guide rail upper brackets 1-3 are fixedly arranged on the bottom plate 1-1 through screws, and the front and rear displacement guide rails 1-2 penetrate through the front and rear displacement guide rail upper brackets 1-3 of each group. The front and rear displacement rails 1-2 may also be secured by collars at both ends, as shown in fig. 6.
The front and rear translation assemblies 2 are arranged above the bottom plate assembly 1, each front and rear translation assembly 2 comprises a front and rear translation bracket 2-1 and a front and rear displacement driving motor 2-2, and the front and rear translation brackets 2-1 are directly arranged on the front and rear displacement guide rails 1-2. In order to ensure the stability of the front and rear translation supports 2-1, two groups of four front and rear displacement guide rail upper supports 2-5 are arranged on the bottom surface of the front and rear translation support 2-1, and each group of front and rear displacement guide rail upper supports 2-5 are respectively arranged outside the front and rear displacement guide rails 1-2 in a penetrating manner, so that the purpose that the translation support 2-1 can move along the front and rear displacement guide rails 1-2 is realized, and the requirement of connection stability between the translation support 2-1 and the front and rear displacement guide rails 1-2 is met, as shown in fig. 3 and 6. The front and rear displacement guide rail upper brackets 1-3 and the front and rear displacement guide rail upper brackets 2-5 are preferably made of self-lubricating materials or self-lubricating structures, so that the front and rear displacement guide rails 1-2 can run smoothly. The base plate 1-1 is further provided with a position for mounting and fixing the front-rear displacement driving motor 2-2, for example, a mounting position is provided at the center of the base plate 1-1, as shown in fig. 2 and 6.
The bottom surfaces of a front translation bracket 2-1 and a rear translation bracket 2-1 of the front and rear translation assembly 2 are arranged on the front and rear displacement guide rails 1-2, and a front and rear displacement driving motor 2-2 is fixedly arranged on a bottom plate 1-1, so that the front and rear displacement driving motor 2-2 can drive the front and rear translation bracket 2-1 to reciprocate along the front and rear displacement guide rails 1-2. The front and rear translation supports 2-1 are preferably of a frame structure, so that the self weight is reduced, and a space and a position for mounting the front and rear displacement driving motors 2-2 are reserved. The middle part of the front and rear translation support 2-1 is also provided with a mounting position for mounting a left and right displacement driving motor 3-2 of the left and right translation component 3. For example, as shown in fig. 3 and 6, in order to facilitate the installation of the front and rear displacement driving motors 2-2, the front and rear translation assembly 2 further includes front and rear displacement driving motor brackets 2-4, the front and rear displacement driving motors 2-2 are fixedly installed on the front and rear displacement driving motor brackets 2-4 by screws, and the front and rear displacement driving motor brackets 2-4 are further fixedly installed on the bottom plate 1-1, specifically, the displacement driving motor brackets 2-4 are installed by screws. The output shaft of the front and rear displacement driving motor 2-2 is connected with a screw rod, the direction of the screw rod is parallel to the direction of the front and rear displacement guide rail 1-2, a screw hole is formed in the position of the screw rod corresponding to the front and rear translation support 2-1, the screw rod is inserted into the screw hole, and the screw rod rotates because the front and rear displacement driving motor 2-2 is fixed relative to the bottom plate 1-1, so that the front and rear translation support 2-1 is driven to reciprocate along the front and rear displacement guide rail 1-2.
The top of the front and rear translation support 2-1 is also provided with two parallel left and right displacement guide rails 2-3, and the left and right displacement guide rails 2-3 are vertical to the front and rear displacement guide rails 1-2. Correspondingly, four corners of the top surface of the front and rear translation support 2-1 are provided with two groups of four left and right displacement guide rail upper supports 2-6, left and right displacement guide rails 2-3 penetrate between the left and right displacement guide rail upper supports 2-6 of each group, and clamping rings are arranged at two ends of the left and right displacement guide rails 2-3 for fixing.
The left and right translation assembly 3 comprises a left and right translation support 3-1 and a left and right displacement driving motor 3-2, the left and right translation support 3-1 is arranged on the left and right displacement guide rail 2-3, the left and right displacement driving motor 3-2 is fixedly arranged on the front and rear translation support 2-1, and the left and right displacement driving motor 3-2 can drive the left and right translation support 3-1 to reciprocate along the left and right displacement guide rail 2-3. The left and right translation support 3-1 is used for realizing the movement in the left and right directions and bearing the upper cover assembly 4 on the upper part, and the left and right translation support 3-1 can be of a frame structure or a solid plate structure. Referring to fig. 4 and 6, two groups of four left and right upper brackets 3-7 for the left and right displacement guide rails are arranged on the bottom surface of the left and right translation brackets 3-1, and each group of the left and right upper brackets 3-7 for the left and right displacement guide rails is respectively arranged outside the left and right displacement guide rails 2-3, so that the left and right translation brackets 3-1 are arranged on the front and rear translation brackets 2-1. The left and right displacement guide rail upper brackets 2-6 and the left and right displacement guide rail upper brackets 3-7 are preferably made of self-lubricating materials or self-lubricating structures, so that the left and right displacement guide rails 2-3 can run smoothly.
In order to facilitate the installation of the left and right displacement driving motors 3-2, the left and right translation assembly 3 further comprises left and right displacement driving motor brackets 3-6, the left and right displacement driving motors 3-2 are installed on the left and right displacement driving motor brackets 3-6 through screws, and the left and right displacement driving motor brackets 3-6 are fixedly installed on the front and rear translation brackets 2-1 through screws, and are specifically installed on one side of the middle part of the front and rear translation brackets 2-1, as shown in fig. 3. The output shaft of the left and right displacement driving motor 3-2 is connected with a screw rod, the direction of the screw rod is consistent with the direction of the left and right displacement guide rails 2-3, a screw hole is arranged at the position of the screw rod corresponding to the left and right translation brackets 3-1, the screw rod is inserted into the screw hole, and the screw rod rotates along with the output shaft of the left and right displacement driving motor 3-2, so that the left and right translation brackets 3-1 are driven to reciprocate along the left and right displacement guide rails 2-3. The outer side of the left translation support 3-1 and the outer side of the right translation support 3-1 are fixedly provided with rotating motors 3-3, output shafts of the rotating motors 3-3 are upwards arranged and connected with driving gears 3-4, and the rotating motors 3-3 are used for driving the upper cover assembly 4 to rotate.
The upper cover assembly 4 comprises a cover plate 4-1, the cover plate 4-1 is connected to the top of the left and right translation brackets 3-1 through a cover plate mounting shaft 3-5, namely the cover plate mounting shaft 3-5 is connected to the left and right translation brackets 3-1, the cover plate mounting shaft 3-5 is fixed relative to the left and right translation brackets 3-1, and the cover plate 4-1 can rotate around the cover plate mounting shaft 3-5. As shown in fig. 4, the cover plate mounting shaft 3-5 may be a vertical column disposed on the top surface of the left and right translation support 3-1, and a mounting hole is disposed at a corresponding position of the cover plate 4-1, the vertical column is inserted into the mounting hole, and a corresponding collar, such as a spring collar, is disposed on the top of the vertical column.
The rotation of the cover plate 4-1 is driven and controlled by the rotating motor 3-3, in order to realize that the rotating motor 3-3 drives the cover plate 4-1 to rotate, referring to fig. 4, 5 and 6, the bottom surface of the cover plate 4-1 is provided with an arc-shaped driven gear 4-2, the circle center of the arc where the driven gear 4-2 is located on the mounting shaft 3-5, the cover plate 4-1 is arranged above the left and right translation support 3-1, the driving gear 3-4 of the rotating motor 3-3 is meshed with the driven gear 4-2 of the cover plate 4-1, and the driving gear 3-4 drives the driven gear 4-2 to rotate forwards or backwards, so that the cover plate 4-1 rotates. Because the rotating speed of the rotating motor 3-3 is fast, the rotation of the cover plate 4-1 belongs to fine adjustment, a speed reducing mechanism is arranged between an output shaft of the rotating motor 3-3 and the driven gear 4-2 on the bottom surface of the cover plate 4-1, and the speed reducing mechanism can be a driving gear 3-4 and a driven gear 4-2 or a gear is additionally arranged between the driving gear 3-4 and the driven gear 4-2 for speed reduction. Specifically, the reduction ratio of the speed reducing mechanism is 100: 1-20: 1.
When the cover plate 4-1 rotates, the cover plate can be in direct frictional contact with the left and right translation brackets 3-1. In order to reduce the friction resistance, a guide rail can be arranged between the cover plate 4-1 and the left and right translation brackets 3-1. For example, as shown in fig. 4, 5 and 6, the top of the left and right translation brackets 3-1 is provided with an arc-shaped supporting guide rail 3-8, the bottom surface of the cover plate 4-1 is provided with a movable guide rail 4-5, and the movable guide rail 4-5 is matched with the supporting guide rail 3-8. The support rail 3-8 and the movable rail 4-5 may be a ring or several arc segments. The circle centers of the movable guide rail 4-5 and the supporting guide rail 3-8 are positioned at the center of the cover plate mounting shaft 3-5. In order to further reduce the friction between the support guide 3-8 and the movable guide 4-5, balls or rollers are also arranged between the support guide 3-8 and the movable guide 4-5. For example, 6-36 balls or rollers are arranged on the supporting guide rail 3-8 and the movable guide rail 4-5. Wherein, the material of ball and roller can select plastics or steel.
The top surface of the cover plate 4-1 is used for directly placing the projection device, and the horizontal adjustment of the projection device may be implemented by providing an adjusting base on the bottom surface of the base plate 1-1, for example, providing three adjusting bases, which may be manually adjusted or electrically adjusted. Alternatively, the horizontal adjustment is performed by the cover plate 4-1. Specifically, as shown in fig. 5, the upper cover assembly 4 further includes three upper and lower displacement driving motors 4-3, the upper and lower displacement driving motors 4-3 are thrust motors, the three upper and lower displacement driving motors 4-3 are all installed in the cover plate 4-1, for example, fixed in the cover plate 4-1 by screws, and the three upper and lower displacement driving motors 4-3 respectively form three supporting positions 4-4 on the top of the cover plate 4-1. The support position 4-4 is used for directly placing the projection equipment, and the projection equipment can be ensured to be horizontally placed through the coordination and matching of the three up-down displacement driving motors 4-3.
The electric adjusting base of the projection display equipment can realize position adjustment of five dimensions of front and back, left and right, up and down, horizontal and rotation, and realize the rapid adjustment of the projected picture position of the laser television and the projector and the correction of the trapezoidal distortion phenomenon of the projected picture.
Claims (9)
1. Projection display equipment electrical control base, its characterized in that: the device comprises a bottom plate component (1), a front and back translation component (2), a left and right translation component (3) and an upper cover component (4), wherein the bottom plate component (1) comprises a bottom plate (1-1), and two front and back displacement guide rails (1-2) which are parallel to each other are arranged on the top surface of the bottom plate (1-1);
the front and rear translation assembly (2) comprises a front and rear translation support (2-1) and a front and rear displacement driving motor (2-2), the front and rear translation support (2-1) is installed on the front and rear displacement guide rail (1-2), the front and rear displacement driving motor (2-2) is fixedly installed on the bottom plate (1-1), and the front and rear displacement driving motor (2-2) can drive the front and rear translation support (2-1) to reciprocate along the front and rear displacement guide rail (1-2); the top of the front and rear translation support (2-1) is also provided with two parallel left and right displacement guide rails (2-3), and the left and right displacement guide rails (2-3) are vertical to the front and rear displacement guide rails (1-2);
the left and right translation assembly (3) comprises a left and right translation bracket (3-1) and a left and right displacement driving motor (3-2), the left and right translation bracket (3-1) is installed on the left and right displacement guide rail (2-3), the left and right displacement driving motor (3-2) is fixedly installed on the front and rear translation bracket (2-1), and the left and right displacement driving motor (3-2) can drive the left and right translation bracket (3-1) to reciprocate along the left and right displacement guide rail (2-3); a rotating motor (3-3) is fixedly arranged on the outer side of the left translation bracket (3-1) and the right translation bracket (3-1), and an output shaft of the rotating motor (3-3) is provided with a driving gear (3-4);
the upper cover assembly (4) comprises a cover plate (4-1), the cover plate (4-1) is connected to the top of the left translation support (3-1) and the right translation support (3-1) through a cover plate mounting shaft (3-5), an arc-shaped driven gear (4-2) is arranged on the bottom surface of the cover plate (4-1), the circle center of an arc where the driven gear (4-2) is located on the cover plate mounting shaft (3-5), and a driving gear (3-4) of the rotating motor (3-3) is meshed with the driven gear (4-2) of the cover plate (4-1); the upper cover assembly (4) further comprises an upper displacement driving motor and a lower displacement driving motor (4-3), three upper displacement driving motors and lower displacement driving motors (4-3) are arranged in the cover plate (4-1), and the three upper displacement driving motors and the lower displacement driving motors (4-3) respectively form three supporting positions (4-4) on the top of the cover plate (4-1).
2. The motorized adjustment mount for a projection display device of claim 1, wherein: the up-down displacement driving motor (4-3) is a thrust motor.
3. The motorized adjustment mount for a projection display device of claim 1, wherein: the front and rear translation assembly (2) further comprises a front and rear displacement driving motor support (2-4), the front and rear displacement driving motor (2-2) is installed on the front and rear displacement driving motor support (2-4), and the front and rear displacement driving motor support (2-4) is fixedly installed on the bottom plate (1-1); an output shaft of the front and rear displacement driving motor (2-2) is connected with a screw rod, and the screw rod is matched with the front and rear translation bracket (2-1) and can push the front and rear translation bracket (2-1) to reciprocate along the front and rear displacement guide rail (1-2).
4. The motorized adjustment mount for a projection display device of claim 1, wherein: the left and right translation assembly (3) further comprises a left and right displacement driving motor bracket (3-6), the left and right displacement driving motor (3-2) is installed on the left and right displacement driving motor bracket (3-6), and the left and right displacement driving motor bracket (3-6) is fixedly installed on the front and rear translation bracket (2-1); an output shaft of the left and right displacement driving motor (3-2) is connected with a screw rod, and the screw rod is matched with the left and right translation bracket (3-1) and can push the left and right translation bracket (3-1) to reciprocate along the left and right displacement guide rail (2-3).
5. The motorized adjustment mount for a projection display device of claim 1, wherein: a speed reducing mechanism is arranged between an output shaft of the rotating motor (3-3) and the driven gear (4-2) on the bottom surface of the cover plate (4-1), and the speed reducing ratio of the speed reducing mechanism is 100: 1-20: 1.
6. An electrically adjustable base for a projection display device according to any of claims 1 to 5, wherein: the top surface of the bottom plate (1-1) is provided with two groups of four front and rear displacement guide rail lower brackets (1-3), and a front and rear displacement guide rail (1-2) is arranged between the front and rear displacement guide rail lower brackets (1-3) of each group in a penetrating way; two groups of four front and rear displacement guide rail upper brackets (2-5) are arranged on the bottom surfaces of the front and rear translation brackets (2-1), and each group of front and rear displacement guide rail upper brackets (2-5) are respectively arranged outside the front and rear displacement guide rails (1-2) in a penetrating manner.
7. An electrically adjustable base for a projection display device according to any of claims 1 to 5, wherein: the top surface of the front and rear translation support (2-1) is provided with two groups of four left and right displacement guide rail lower supports (2-6), and left and right displacement guide rails (2-3) are arranged between the left and right displacement guide rail lower supports (2-6) of each group in a penetrating manner; the bottom surface of the left and right translation support (3-1) is provided with two groups of four left and right displacement guide rail upper supports (3-7), and each group of left and right displacement guide rail upper supports (3-7) respectively penetrate through the left and right displacement guide rails (2-3).
8. An electrically adjustable base for a projection display device according to any of claims 1 to 5, wherein: the top of the left translation support (3-1) and the right translation support (3-1) are provided with arc-shaped supporting guide rails (3-8), the bottom surface of the cover plate (4-1) is provided with movable guide rails (4-5), the movable guide rails (4-5) are matched with the supporting guide rails (3-8), and the circle centers of the movable guide rails (4-5) and the supporting guide rails (3-8) are located at the center of the cover plate mounting shaft (3-5).
9. The motorized adjustment mount for a projection display device of claim 8, wherein: balls or rollers are arranged between the supporting guide rails (3-8) and the movable guide rails (4-5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910649824.4A CN110274129B (en) | 2019-07-18 | 2019-07-18 | Electric adjusting base of projection display equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910649824.4A CN110274129B (en) | 2019-07-18 | 2019-07-18 | Electric adjusting base of projection display equipment |
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| CN110274129A CN110274129A (en) | 2019-09-24 |
| CN110274129B true CN110274129B (en) | 2021-06-25 |
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| CN201910649824.4A Active CN110274129B (en) | 2019-07-18 | 2019-07-18 | Electric adjusting base of projection display equipment |
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| Publication number | Publication date |
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| CN110274129A (en) | 2019-09-24 |
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