CN112960612B - Multimedia device projection curtain installation positioner - Google Patents

Multimedia device projection curtain installation positioner Download PDF

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Publication number
CN112960612B
CN112960612B CN202110159216.2A CN202110159216A CN112960612B CN 112960612 B CN112960612 B CN 112960612B CN 202110159216 A CN202110159216 A CN 202110159216A CN 112960612 B CN112960612 B CN 112960612B
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China
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plate
sliding bottom
bottom plate
sliding
rotating
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CN112960612A (en
Inventor
李雪
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Zibo Vocational Institute
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Zibo Vocational Institute
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Publication of CN112960612A publication Critical patent/CN112960612A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25HWORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
    • B25H7/00Marking-out or setting-out work
    • B25H7/04Devices, e.g. scribers, for marking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28DWORKING STONE OR STONE-LIKE MATERIALS
    • B28D7/00Accessories specially adapted for use with machines or devices of the preceding groups

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Drilling And Boring (AREA)

Abstract

The invention relates to a multimedia equipment projection curtain mounting and positioning device, which comprises a base, an adjusting mechanism, a measuring scale, sliding bottom plates and a lifting mechanism, wherein the sliding bottom plates are symmetrically arranged on the upper end surface of the base in front and back directions through sliding fit, the adjusting mechanism is arranged between the sliding bottom plates, the measuring scale is arranged on the right side of the sliding bottom plate on the upper end surface of the base, and the lifting mechanism is arranged at the upper end of the sliding bottom plate; the invention can solve the problems that: the process of measuring and positioning the position of the drill hole is complicated, and the efficiency of installing the projection curtain of the multimedia equipment is influenced; usually, the hand-held electric drill at the upper end of the ladder-type article needs to be stepped to rotate the hole, and drilling personnel apply resisting force to the electric drill to make the gravity center of the ladder-type article unstable, so that the drilling personnel have the problems of potential safety hazards of foot losing and falling in the process of installing hooks on a wall body.

Description

Multimedia device projection curtain installation positioner
Technical Field
The invention relates to the field of projection curtain installation, in particular to a multimedia device projection curtain installation positioning device.
Background
Projection screens are tools used in movies, offices, home theaters, large conferences, etc. to display images and video files. The projection curtain for the multimedia equipment usually has an electric winding and unwinding function, so that when the projection curtain for the multimedia equipment is installed, two ends of the wound projection curtain are usually hung on a wall, in the prior art, a manual handheld electric drill is usually used for drilling holes in the surface of the wall, then hooks required by the curtain hanging are installed, and then the projection curtain is hung on the hooks, so that the installation of the projection curtain for the multimedia equipment is completed;
however, the following problems generally exist in the process of drilling a wall before hanging a multimedia device projection curtain:
1. before the wall body is drilled, the position of the drilled hole is usually positioned by measuring and marking for many times, and the process of measuring and positioning the position of the drilled hole is complicated, so that the efficiency of installing the multimedia equipment projection curtain is influenced by the measuring and positioning work before the drilled hole;
2. when the prior art is drilling the wall body, generally need step on and carry out the hole operation adopting hand-held electric drill in ladder class article upper end, lead to drilling personnel easily at this in-process because of need apply to the electric drill and support tight power and make ladder class article focus shakiness to lead to drilling personnel to have the potential safety hazard that the missing foot fell before the installation projection curtain, the in-process of hanging in the hook installation to the wall body.
Disclosure of Invention
In order to solve the problems, the invention provides a multimedia equipment projection curtain mounting and positioning device which comprises a base, an adjusting mechanism, a measuring scale, sliding bottom plates and a lifting mechanism, wherein the sliding bottom plates are symmetrically arranged on the upper end surface of the base in a front-back manner through sliding fit, the adjusting mechanism is arranged between the sliding bottom plates, the measuring scale is arranged on the upper end surface of the base on the right side of the sliding bottom plate, and the lifting mechanism is arranged at the upper end of the sliding bottom plate;
the lifting mechanism comprises a gear plate, a gear rod, a driving gear, a rotation limiting branched chain, a rotating motor, a sliding right frame, a rack plate, a standing plate, a positioning branched chain and a sliding left frame, wherein the gear plate is symmetrically arranged on the right side of the upper end surface of the sliding bottom plate in the front-back direction, the gear rod is arranged between the upper ends of the gear plate in a rotating fit manner, the driving gear is arranged in the middle of the gear rod, the rotation limiting branched chain is arranged on the upper end of the sliding bottom plate on the right side of the driving gear, the rotating motor is arranged on the upper end surface of the sliding bottom plate through a motor base, the sliding right frame in a Y-shaped structure is symmetrically arranged on the upper end surface of the sliding bottom plate on the left side of the gear plate in the front-back direction, the rack plate is arranged between the sliding right frames in an up-down sliding fit manner, teeth on the right side surface of the rack plate are meshed with the driving gear, the standing plate is arranged at the lower end of the left side surface of the rack plate, the left side of the upper end surface of the standing plate is provided with a positioning branched chain, the upper end surface of the sliding bottom plate is provided with a sliding left frame in a Y-shaped structure and positioned on the left side of the standing plate, and the left end of the standing plate is in up-and-down sliding fit with the sliding left frame;
the location branch chain include the backup pad, the dwang, the circular block, the installation piece, telescopic cylinder, mark the circular block, the gag lever post, rectangular plate and tape measure, station board upper end left side is provided with the backup pad, backup pad upper end middle part is provided with the dwang, the dwang upper end is provided with the circular block through normal running fit, the circular block left side is provided with the installation piece, be provided with telescopic cylinder on the installation piece left surface, the mark circular block is installed to the telescopic cylinder left end, semi-ring groove has been seted up on circular block lower extreme right side, the opposite side of backup pad upper end all is provided with the gag lever post that corresponds with semi-ring groove, and the gag lever post upper end is located semi-ring inslot, the looks dorsal part of backup pad upper end all sets up the rectangular plate, sliding bottom plate upper end left side is provided with the tape measure, and the outside end of tape measure is connected with the rectangular plate.
As a preferred technical scheme of the invention, the adjusting mechanism comprises a double-shaft motor, screw plates and transmission screws, the double-shaft motor is mounted in the middle of the upper end surface of the base through a motor base, the screw plates are symmetrically arranged on the front side and the rear side of the upper end surface of the base at the front and the rear sides of the double-shaft motor, the transmission screws are arranged between the screw plates on the front side and the rear side of the double-shaft motor in a rotating fit manner, output shafts on the front side and the rear side of the double-shaft motor are connected with the transmission screws, the transmission screws are respectively connected with the sliding bottom plate through thread fit, and the thread directions on the transmission screws on the front side and the rear side of the base are opposite.
As a preferred technical scheme of the invention, the rotation limiting branched chain comprises a supporting rod, a rotating plate and a limiting block, the supporting rod is arranged on the right side of the upper end of the sliding bottom plate, the rotating plate is arranged on the upper end of the supporting rod in a rotating fit mode, the limiting block with a triangular structure is arranged on the left side face of the rotating plate, and the limiting block is located between the teeth of the driving gear.
As a preferred technical scheme of the invention, the front side and the rear side of the lower end surface of the base are respectively provided with the universal caster and the fixed caster in bilateral symmetry.
As a preferred technical scheme of the invention, the upper end surface of the base is provided with convex chutes at the front side and the rear side of the double-shaft motor, and the lower end surface of the sliding bottom plate is provided with convex bulges corresponding to the convex chutes and positioned in the convex chutes.
As a preferable technical scheme of the invention, an indicating block with a triangular structure is arranged on the lower side of the middle part of the right end of the sliding bottom plate.
The invention has the beneficial effects that:
the invention can solve the following problems in the prior art in the process of drilling a wall before hanging a multimedia device projection curtain: a. before the wall body is drilled, the position of the drilled hole is usually positioned by measuring and marking for many times, and the process of measuring and positioning the position of the drilled hole is complicated, so that the efficiency of installing the multimedia equipment projection curtain is influenced by the measuring and positioning work before the drilled hole; b. in the prior art, when a wall body is drilled, a handheld electric drill at the upper end of a ladder-type article is usually needed to be stepped to perform hole rotating operation, and in the process, a drilling worker is easy to cause unstable gravity center of the ladder-type article due to the fact that a resisting force needs to be applied to the electric drill, so that the drilling worker has the potential safety hazard of foot losing and falling in the process of carrying out hook installation on the wall body before installing a projection curtain;
the measuring scale and the positioning branched chain can be used for quickly measuring and marking the position of the drilling hole, and compared with the prior art, the efficiency of installing the multimedia equipment projection curtain is prevented from being influenced due to the fact that the process of measuring and positioning the position of the drilling hole is complicated, so that the efficiency of installing the multimedia equipment projection curtain and the precision effect after installation are improved;
the lifting mechanism can drive a person to stably move up and down without ladder-shaped articles, and has higher stability, compared with the prior art that the gravity center of the ladder-shaped articles is unstable due to the fact that drilling personnel need to apply abutting force on an electric drill, the ladder-shaped articles can be prevented from being out of order and falling due to unstable gravity center in the process of drilling the wall by the drilling personnel, and therefore potential safety hazards of the drilling personnel are reduced.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention except for the lifting mechanism;
FIG. 3 is a schematic view of the structure of the present invention (from right to left);
FIG. 4 is an enlarged view taken along line A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention taken from the line B in FIG. 3;
FIG. 6 is a schematic view of the positioning branch of the present invention except for the mounting block and tape measure, and the sliding left bracket.
In the figure, 1, a base; 2. an adjustment mechanism; 3. measuring a scale; 4. a sliding bottom plate; 5. a lifting mechanism; 11. a universal caster; 12. fixing a caster; 21. a double-shaft motor; 22. a lead screw plate; 23. a drive screw; 41. an indication block; 51. a gear plate; 52. a gear lever; 53. a driving gear; 54. a rotation limiting branched chain; 55. rotating the motor; 56. sliding the right frame; 57. a rack plate; 58. standing the plate; 59. positioning the branched chain; 510. sliding the left frame; 541. a support bar; 542. a rotating plate; 543. a limiting block; 591. a support plate; 592. rotating the rod; 593. a circular block; 594. mounting blocks; 595. a telescopic cylinder; 596. marking a round block; 597. a limiting rod; 598. a rectangular plate; 599. a tape measure.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 6, a multimedia device projection curtain mounting and positioning device comprises a base 1, an adjusting mechanism 2, a measuring scale 3, a sliding bottom plate 4 and a lifting mechanism 5, wherein the sliding bottom plate 4 is symmetrically arranged on the upper end surface of the base 1 in a front-back direction through sliding fit, the adjusting mechanism 2 is arranged between the sliding bottom plates 4, the measuring scale 3 is arranged on the upper end surface of the base 1 on the right side of the sliding bottom plate 4, and the lifting mechanism 5 is arranged on the upper end of the sliding bottom plate 4;
when the device works specifically, the hook mounting position required for hanging the multimedia equipment projection screen can be quickly positioned before the multimedia equipment projection screen is mounted, and drilling personnel can be driven to move up and down under the condition that ladder-like articles are not needed; firstly, the device is moved to a proper position in front of a wall body of a multimedia equipment projection curtain to be installed, then a sliding bottom plate 4 and a lifting mechanism 5 can be driven to synchronously move inwards or outwards through an adjusting mechanism 2, at the moment, the position of the sliding bottom plate 4 can be accurately positioned according to a measuring scale 3, so that the position of the lifting mechanism 5 corresponds to the width of the multimedia equipment projection curtain after the device is moved, then a manual handheld electric drill stands at the upper end of the lifting mechanism 5, a person can be driven to move upwards through the lifting mechanism 5, after the lifting mechanism 5 moves upwards to the proper position, the position to be drilled can be accurately positioned through the lifting mechanism 5, then the positioning point is drilled through the manual handheld electric drill, after the drilling operation of the wall body is completed, a hook-type object is installed in a hole drilled manually, then the multimedia equipment projection curtain is manually hung at the upper end of the hook-type object, the lifting mechanism 5 will then move the person downwards. The distance between the drilling positioning points can be adjusted according to the width of the screen through the adjusting mechanism 2, and the height of the drilling positioning points can be adjusted and positioned through the lifting mechanism 5, so that the applicability of the invention is improved, and people can be supported and driven, thereby improving the safety of drilling personnel in drilling and hanging the multimedia equipment projection screen.
The front side and the rear side of the lower end surface of the base 1 are respectively provided with a universal caster 11 and a fixed caster 12 in bilateral symmetry; during specific work, when the position of the base 1 needs to be adjusted, the base 1 is driven to move through the universal caster 11 and the fixed caster 12, so that the position of the base 1 is adjusted, and after the position of the base 1 is adjusted, the position of the base 1 is fixed through the fixed caster 12; the position of the device can be conveniently moved and adjusted through the universal caster wheels 11 and the fixed caster wheels 12.
An indicating block 41 with a triangular structure is arranged on the lower side of the middle part of the right end of the sliding bottom plate 4; during specific work, when the adjusting mechanism 2 drives the sliding bottom plate 4 to move, the indication block 41 can point to the scales on the measuring scale 3, so that the distance between the sliding bottom plates 4 can be conveniently observed.
The adjusting mechanism 2 comprises a double-shaft motor 21, screw plates 22 and transmission screws 23, the double-shaft motor 21 is mounted in the middle of the upper end face of the base 1 through a motor base, the screw plates 22 are symmetrically arranged on the front side and the rear side of the upper end face of the base 1 at the front and the rear sides of the double-shaft motor 21, the transmission screws 23 are arranged between the screw plates 22 on the front side and between the screw plates 22 on the rear side of the double-shaft motor 21 through rotating fit, output shafts on the front side and the rear side of the double-shaft motor 21 are connected with the transmission screws 23, the transmission screws 23 are respectively connected with the sliding bottom plate 4 through thread fit, and the thread directions on the transmission screws 23 on the front side and the rear side of the base 1 are opposite;
during specific work, the adjusting mechanism 2 can drive the sliding bottom plate 4 to synchronously move inwards or outwards; after the device is placed at a proper position, the output shaft of the double-shaft motor 21 rotates to drive the transmission screw 23 to rotate, the transmission screw 23 can drive the sliding bottom plates 4 on the left side and the right side of the base 1 to synchronously move inwards or outwards when rotating, the position of the sliding bottom plate 4 after moving can be accurately positioned by comparing with the measuring scale 3, so that the width positioning accuracy before the multimedia equipment projection curtain is installed is improved, the problem that the multimedia equipment projection curtain cannot be hung due to too large or too small installation distance of the hook can be avoided, the widths of the multimedia equipment projection curtains with different widths can be positioned through the adjusting mechanism 2, and the applicability of the device is improved.
The upper end surface of the base 1 is provided with convex chutes at the front side and the rear side of the double-shaft motor 21, and the lower end surface of the sliding bottom plate 4 is provided with convex bulges corresponding to the convex chutes and positioned in the convex chutes; during specific work, when the sliding bottom plate 4 moves along with the adjusting mechanism 2, the convex protrusions in the convex sliding grooves can guide and limit the moving track of the sliding bottom plate 4.
The lifting mechanism 5 comprises a gear plate 51, a gear rod 52, a driving gear 53, a rotation limiting branched chain 54, a rotating motor 55, a sliding right frame 56, a rack plate 57, a standing plate 58, a positioning branched chain 59 and a sliding left frame 510, wherein the gear plate 51 is symmetrically arranged on the right side of the upper end surface of the sliding bottom plate 4 in the front-back direction, the gear rod 52 is arranged between the upper ends of the gear plate 51 in a rotating fit manner, the driving gear 53 is arranged in the middle of the gear rod 52, the rotation limiting branched chain 54 is arranged on the upper end surface of the sliding bottom plate 4 on the right side of the driving gear 53, the rotating motor 55 is arranged on the back side of the gear rod 52 through the gear plate 51, the rotating motor 55 is arranged on the upper end surface of the sliding bottom plate 4 through a motor base, the rack plate 57 is symmetrically arranged on the front-back direction on the upper end surface of the sliding bottom plate 4 on the left side of the gear plate 51 in the front-back direction, the teeth on the right side surface of the rack plate 57 are meshed with the driving gear 53, the lower end of the left side surface of the rack plate 57 is provided with a standing plate 58, the left side of the upper end surface of the standing plate 58 is provided with a positioning branched chain 59, the upper end surface of the sliding bottom plate 4 is positioned at the left side of the standing plate 58 and is provided with a sliding left frame 510 in a shape structure, and the left end of the standing plate 58 is in up-down sliding fit with the sliding left frame 510;
during specific work, the lifting mechanism 5 can drive a person to move up and down and can also position the height position of a drilled hole; after the adjusting mechanism 2 drives the sliding bottom plate 4 to complete width adjustment, a manual electric drill, a hook are used for installing articles, and the hook stands at the upper end of the standing plate 58, then the driving gear 53 is not limited any more through the rotation limiting branched chain 54, then the output shaft of the rotating motor 55 rotates and can drive the driving gear 53 to rotate through the gear rod 52, the driving gear 53 can drive the rack plate 57 and the standing plate 58 to move upwards when rotating, at the moment, the positioning branched chain 59 can accurately measure the moving height, after the standing plate 58 moves to the required height, the output shaft of the rotating motor 55 does not rotate any more, then the driving gear 53 is limited through the rotation limiting branched chain 54, and then the positioning branched chain 59 can mark the surface of the wall;
then, the marked position on the surface of the wall is drilled through the manual handheld electric drill, at the moment, the standing plate 58 and the rack plate 57 can ensure the stability of drilling personnel, the drilling personnel are prevented from falling due to the fact that the gravity center of the drilling personnel is unstable, the safety of the drilling personnel in the drilling operation process is improved, after the drilling of the surface of the wall is completed, a hook is installed in a drilled hole, after the installation of the hook is completed, a multimedia equipment projection screen is handed to the hand of the drilling personnel by non-drilling personnel, and then the drilling personnel hang the multimedia equipment projection screen on the hook; after the multimedia equipment projection curtain is hung, the driving gear 53 is not limited any more through the rotation limiting branched chain 54, then the output shaft of the motor 55 is rotated to rotate reversely, so that the rack plate 57 and the standing plate 58 can be driven to move downwards through the driving gear 53, finally, a drilling worker leaves the standing plate 58, and the standing plate 58 can be driven to move at different heights through the rack plate 57, so that the mounting requirements at different heights can be met, and the applicability of the invention is improved.
The rotation limiting branched chain 54 comprises a supporting rod 541, a rotating plate 542 and a limiting block 543, the supporting rod 541 is arranged on the right side of the upper end of the sliding bottom plate 4, the rotating plate 542 is arranged at the upper end of the supporting rod 541 through rotating fit, the limiting block 543 with a triangular structure is arranged on the left side of the rotating plate, and the limiting block 543 is located between teeth of the driving gear 53; during specific work, the rotation limiting branched chain 54 can enable the driving gear 53 not to rotate any more; after the drilling personnel stand on the stand board 58, rotate rotor plate 542 and stopper 543, make stopper 543 break away from the driving gear 53 and no longer carry on spacingly to the driving gear 53, after standing board 58 rebound to suitable position, shut down and rotate motor 55, then rotate rotor plate 542 and stopper 543, make stopper 543 can be located between the tooth of driving gear 53, thereby can carry on spacingly to the driving gear 53, make the driving gear 53 unable to rotate, when the driving gear 53 is unable to rotate, rack plate 57 and stand board 58 will be comparatively stable.
The positioning branched chain 59 comprises a supporting plate 591, a rotating rod 592, a circular block 593, an installation block 594, a telescopic cylinder 595, a marking circular block 596, a limiting rod 597, a rectangular plate 598 and a measuring tape 599, the supporting plate 591 is arranged on the left side of the upper end of the standing plate 58, the rotating rod 592 is arranged in the middle of the upper end of the supporting plate 591, the circular block 593 is arranged at the upper end of the rotating rod 592 in a rotating fit mode, the installation block 594 is arranged on the left side of the circular block 593, the telescopic cylinder 595 is arranged on the left side of the installation block 594, the marking circular block 596 is arranged at the left end of the telescopic cylinder 595, a semi-annular groove is formed in the right side of the lower end of the circular block 593, the limiting rod 597 corresponding to the semi-annular groove is arranged on the opposite side of the upper end of the supporting plate 591, the upper end of the limiting rod 597 is located in the semi-annular groove, the rectangular plates 598 are arranged on the opposite sides of the upper ends of the supporting plates 591, the measuring tape 599 is arranged on the left side of the upper end of the sliding bottom plate 4, and the outer end of the measuring tape 599 is connected with the rectangular plates 598;
during specific work, the positioning branched chain 59 can accurately position the height position required by drilling; when the standing plate 58 moves upwards, the supporting plate 591 can drive the measuring tape 599 to move upwards through the rectangular plate 598, and can also drive the telescopic cylinder 595 and the marking circular block 596 to move upwards through the circular block 593 and the mounting block 594, the moving height can be accurately measured when the outer end of the measuring tape 599 moves upwards, so that the required height of a drilled hole can be limited, the accuracy of mounting a projection curtain of multimedia equipment is improved, after the marking circular block 596 moves to a required position, the rotating motor 55 is turned off, then the driving gear 53 is limited through the limiting branched chain 54, then the telescopic cylinder 595 can drive the marking circular plate to move to the surface side of the wall body, so that the marking pigment arranged on the left side surface of the marking circular block 596 can mark the drilled hole position, after the marking of the drilled hole position is completed, the telescopic cylinder 595 drives the marking circular block 596 to reset rightwards, then rotate circular block 593, make installation piece 594, telescopic cylinder 595 and mark circular block 596 can not block the mark position after rotating, then the operation of changeing the hole is carried out to the mark position to artificial hand-held electric drill again, after the completion is to the installation of curtain, it can drive mark circular block 596 and rotate to rotate circular block 593, the gag lever post 597 that is located the board annular groove this moment can carry out spacingly to the turned position, can't continue to rotate after mark circular block 596 rotates to initial position, thereby make circular block 593 can and wall body surface between be vertical state, and improved the precision of carrying out the mark to the drilling position.
During operation, the first step: the base 1 is driven to move through the universal caster 11 and the fixed caster 12, so that the device can be moved to a proper position in front of a wall body of a projection curtain of multimedia equipment to be installed;
the second step is that: then the output shaft of the double-shaft motor 21 rotates to drive the transmission screw 23 to rotate, the transmission screw 23 can drive the sliding bottom plates 4 on the left side and the right side of the base 1 to synchronously move inwards or outwards when rotating, and at the moment, the position of the moved sliding bottom plate 4 can be accurately positioned by comparing with the measuring scale 3;
the third step: then, the hand-held electric drill, the hook are used for installing articles, the hook stands at the upper end of the standing plate 58, then the rotating plate 542 and the limiting block 543 are rotated, the limiting block 543 is separated from the driving gear 53 and does not limit the driving gear 53, then the output shaft of the motor 55 is rotated, the driving gear 53 can be driven to rotate through the gear rod 52, and the rack plate 57 and the standing plate 58 can be driven to move upwards when the driving gear 53 rotates;
the fourth step: when the standing plate 58 moves upwards, the supporting plate 591 can drive the measuring tape 599 to move upwards through the rectangular plate 598, the moving height can be accurately measured when the outer end of the measuring tape 599 moves upwards, after the standing plate 58 moves upwards to a proper position, the rotating motor 55 is stopped, and then the rotating plate 542 and the limiting block 543 are rotated, so that the limiting block 543 can be positioned between the teeth of the driving gear 53;
the fifth step: the telescopic cylinder 595 can drive the marking circular plate to move the surface side of the wall body, so that marking pigment arranged on the left side surface of the marking circular block 596 can mark the drilling position, after the marking of the drilling position is finished, the telescopic cylinder 595 drives the marking circular block 596 to reset rightwards, and then the circular block 593 is rotated, so that the mounting block 594, the telescopic cylinder 595 and the marking circular block 596 can not block the marking position after being rotated;
and a sixth step: then artificially hand-held electric drill carries out the drilling operation to the setpoint again, after accomplishing the drilling operation to the wall body, the artifical downthehole couple class article of installing that drills, then manually hangs multimedia equipment projection curtain in couple class article upper end again, and later elevating system 5 will drive drilling personnel and move downwards, and drilling personnel breaks away from this device at last.
According to the invention, the measuring scale 3 and the positioning branched chain 59 can be used for quickly measuring and marking the drilling position, and compared with the prior art, the problem that the installation efficiency of the multimedia equipment projection curtain is influenced due to the complicated process of measuring and positioning the drilling position is avoided, so that the installation efficiency of the multimedia equipment projection curtain and the precision effect after installation are improved; the lifting mechanism 5 can drive a person to stably move up and down without ladder-shaped articles, has higher stability, and avoids the missing and falling of the drilling personnel due to unstable gravity center in the process of drilling the wall body compared with the prior art in which the gravity center of the ladder-shaped articles is unstable due to the fact that the drilling personnel need to apply abutting force on an electric drill, thereby reducing the potential safety hazard of the drilling personnel.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a multimedia device projection curtain installation positioner, includes base (1), adjustment mechanism (2), dipperstick (3), sliding bottom plate (4) and elevating system (5), its characterized in that: base (1) up end around through sliding fit the symmetry be provided with sliding bottom plate (4), and be provided with adjustment mechanism (2) between sliding bottom plate (4), base (1) up end is located sliding bottom plate (4) right side and is provided with dipperstick (3), sliding bottom plate (4) upper end is provided with elevating system (5), wherein:
the lifting mechanism (5) comprises a gear plate (51), a gear rod (52), a driving gear (53), a rotation limiting branched chain (54), a rotating motor (55), a sliding right frame (56), a rack plate (57), a standing plate (58), a positioning branched chain (59) and a sliding left frame (510), wherein the gear plate (51) is symmetrically arranged on the right side of the upper end face of the sliding bottom plate (4) from front to back, the gear rod (52) is arranged between the upper ends of the gear plate (51) in a rotating fit mode, the driving gear (53) is installed in the middle of the gear rod (52), the rotation limiting branched chain (54) is arranged on the right side of the driving gear (53) at the upper end of the sliding bottom plate (4), the rotating motor (55) penetrates through the gear plate (51) at the opposite side of the gear rod (52), the rotating motor (55) is installed on the upper end face of the sliding bottom plate (4) through a motor seat, the sliding right frame (56) with a shape structure is symmetrically arranged on the left side of the gear plate (51) at the front to back side of the upper end face of the sliding bottom plate (4) The rack plate (57) is arranged between the sliding right frames (56) in a vertically sliding fit manner, teeth on the right side face of the rack plate (57) are meshed with the driving gear (53), the lower end of the left side face of the rack plate (57) is provided with a standing plate (58), the left side of the upper end face of the standing plate (58) is provided with a positioning branched chain (59), the upper end face of the sliding bottom plate (4) is provided with a sliding left frame (510) in a shape structure, and the left end of the standing plate (58) is vertically in sliding fit with the sliding left frame (510);
the positioning branched chain (59) comprises a supporting plate (591), a rotating rod (592), a circular block (593), an installation block (594), a telescopic cylinder (595), a marking circular block (596), a limiting rod (597), a rectangular plate (598) and a measuring tape (599), the left side of the upper end of the standing plate (58) is provided with the supporting plate (591), the middle part of the upper end of the supporting plate (591) is provided with the rotating rod (592), the upper end of the rotating rod (592) is provided with the circular block (593) in a rotating fit mode, the left side of the circular block (593) is provided with the installation block (594), the left side of the installation block (594) is provided with the telescopic cylinder (595), the left end of the telescopic cylinder (595) is provided with the marking circular block (596), the right side of the lower end of the circular block (593) is provided with a semi-annular groove, the opposite sides of the upper end of the supporting plate (591) are provided with the limiting rod (597) corresponding to the semi-annular groove, and the upper end of the limiting rod (597) is located in the semi-annular groove, the opposite sides of the upper ends of the supporting plates (591) are provided with rectangular plates (598), the left side of the upper end of the sliding bottom plate (4) is provided with a measuring tape (599), and the outer end of the measuring tape (599) is connected with the rectangular plates (598).
2. A multimedia device projection curtain mounting and positioning apparatus as recited in claim 1, wherein: adjustment mechanism (2) including double-shaft motor (21), lead screw board (22) and drive screw (23), double-shaft motor (21) are installed through the motor cabinet in base (1) up end middle part, base (1) up end is located double-shaft motor (21) both sides around all that the symmetry is provided with lead screw board (22), all be provided with drive screw (23) through normal running fit between lead screw board (22) of double-shaft motor (21) front side and between lead screw board (22) of rear side, and the output shaft of double-shaft motor (21) front and back both sides all is connected with drive screw (23), drive screw (23) are connected with sliding bottom plate (4) through screw-thread fit respectively, and the screw direction on the drive screw (23) that is located base (1) front and back both sides sets up for opposite.
3. A multimedia device projection curtain mounting and positioning apparatus as recited in claim 1, wherein: the rotation limiting branched chain (54) comprises a supporting rod (541), a rotating plate (542) and a limiting block (543), the supporting rod (541) is arranged on the right side of the upper end of the sliding bottom plate (4), the rotating plate (542) is arranged at the upper end of the supporting rod (541) in a rotating fit mode, the limiting block (543) of a triangular structure is arranged on the left side face of the rotating plate, and the limiting block (543) is located between teeth of the driving gear (53).
4. A multimedia device projection curtain mounting and positioning apparatus as recited in claim 1, wherein: the front side and the rear side of the upper end surface of the lower end surface of the base (1) are respectively provided with a universal caster (11) and a fixed caster (12) in bilateral symmetry.
5. A multimedia device projection curtain mounting and positioning apparatus as recited in claim 1, wherein: the upper end surface of the base (1) is positioned on the front side and the rear side of the double-shaft motor (21) and is provided with convex chutes, convex protrusions corresponding to the convex chutes are arranged on the lower end surface of the sliding bottom plate (4), and the convex protrusions are positioned in the convex chutes.
6. A multimedia device projection curtain mounting and positioning apparatus as recited in claim 1, wherein: and an indication block (41) with a triangular structure is arranged on the lower side of the middle part of the right end of the sliding bottom plate (4).
CN202110159216.2A 2021-02-05 2021-02-05 Multimedia device projection curtain installation positioner Active CN112960612B (en)

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CN106696097A (en) * 2017-03-27 2017-05-24 璧靛嘲 Drilling robot for mounting air conditioner
CN109555294A (en) * 2018-11-10 2019-04-02 浙江河图装饰工程有限公司 A kind of finishing setting-out intelligent robot
CN209717694U (en) * 2019-02-13 2019-12-03 博朗特互联科技(苏州)有限公司 A kind of tunnel lighting construction autoset road marking
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