CN108413201B - Hoisting mechanism of image equipment installation frame and working method thereof - Google Patents
Hoisting mechanism of image equipment installation frame and working method thereof Download PDFInfo
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- CN108413201B CN108413201B CN201810419888.0A CN201810419888A CN108413201B CN 108413201 B CN108413201 B CN 108413201B CN 201810419888 A CN201810419888 A CN 201810419888A CN 108413201 B CN108413201 B CN 108413201B
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- 238000009434 installation Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title abstract description 8
- 239000000463 material Substances 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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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
- F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
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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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/10—Telescoping systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Accessories Of Cameras (AREA)
Abstract
The invention relates to a hoisting mechanism of an image equipment installation frame and a working method thereof, which are characterized in that: the hoisting mechanism of the image equipment installation frame comprises an image equipment installation frame and an electric telescopic pull rod, wherein the lower end of the electric telescopic pull rod is connected to the installation frame, the upper end of the electric telescopic pull rod is fixedly connected with a top frame connected to a ceiling, the electric telescopic pull rods are arranged below three ends of the top frame, and the lower ends of the three electric telescopic pull rods are connected with the installation frame; three electric telescopic pull rods are lifted synchronously. The hoisting mechanism of the image equipment installation frame can be used for adjusting the height of the image equipment installation frame through the three synchronous electric telescopic pull rods, and has the advantages of simple structure, reasonable design and high stability.
Description
Technical field:
The invention relates to the technical field of stages, in particular to a hoisting mechanism of an image equipment installation frame and a working method.
The background technology is as follows:
The image equipment of stage, cinema is usually placed on the installing frame, adjusts the projector orientation through installing frame's adjustment mechanism and universal joint, because image equipment is directed to need often adjust and image equipment is very heavy, wear the universal joint very easily, perhaps make the universal joint damage to cause image equipment to point out not in place, in addition, can't carry out the lift adjustment of altitude direction to image equipment installing frame at present, can't satisfy the needs of using.
The invention comprises the following steps:
The invention aims to provide a hoisting mechanism of an image equipment installation frame and a working method thereof, and the hoisting mechanism of the image equipment installation frame has a simple structure and reasonable design, and is beneficial to facilitating the lifting adjustment of the image equipment installation frame in the height direction and improving the use stability.
The invention adopts the following technical scheme.
The invention relates to a hoisting mechanism of an image equipment installation frame, which is characterized in that: the device comprises an image equipment mounting frame and an electric telescopic pull rod, wherein the lower end of the electric telescopic pull rod is connected to the mounting frame, the upper end of the electric telescopic pull rod is fixedly connected with a top frame connected to a ceiling, the electric telescopic pull rods are arranged below three ends of the top frame, and the lower ends of the three electric telescopic pull rods are connected to the mounting frame; three electric telescopic pull rods are lifted synchronously.
Further, a plurality of telescopic safety belts are arranged between the mounting frame and the ceiling, the upper ends of the telescopic safety belts are connected with a fixing plate fixed on the ceiling, and the lower ends of the telescopic safety belts are connected with the mounting frame.
Further, three motors in the three electric telescopic pull rods are synchronously and cooperatively controlled, the three motors are uniformly connected to a controller, and the electric telescopic pull rods are sequentially sleeved with a plurality of sections of pipe bodies from inside to outside, wherein telescopic pipe rods positioned between the top frame and the mounting frame are arranged in the inner pipe body in a penetrating manner.
Further, the telescopic pipe rod sequentially comprises an outer pipe sleeve, a spiral pipe and a screw rod from outside to inside, the upper end part of the outer pipe sleeve is provided with a worm wheel driven by a worm to rotate, the worm is driven by a motor to rotate, the upper end part of the spiral pipe is provided with a limit sleeve with a limit channel on the surface, the inner surface section of the outer pipe sleeve is matched with the outer surface of the limit sleeve, a first spiral sleeve is screwed on the spiral pipe, the first spiral sleeve is fixed on the lower end part of an inner pipe body, the lower end part of the spiral pipe is fixedly provided with the limit sleeve, the limit sleeve is also fixed on the lower end part of a middle pipe, the screw rod is screwed with an inner threaded hole of the lower end head of the spiral pipe, and the lower end head of the screw rod is fixed on an installation frame.
Further, the installation frame comprises an X beam and a Y beam which are arranged at the bottom of the installation frame and used for bearing an adjusting frame of the image equipment, a swivel which is arranged below the adjusting frame and a rotary deflector rod which is arranged below the swivel, the X beam and the Y beam are made of groove-shaped rod materials, the rotary deflector rod is arranged in the groove-shaped rod materials, the swivel is hinged to the bottom side of the adjusting frame through two side parts in the length direction of the Y axis, the swivel is hinged to the rotary deflector rod in the X axis direction through two sides in the length direction of the X axis, and a first dip angle adjusting rod which extends along the X axis of the adjusting frame is driven by a first longitudinal screw thread which penetrates through the first dip angle adjusting rod.
Further, a second tilt adjusting rod of the adjusting frame extending along the Y axis is driven by a second longitudinal screw thread passing through the second tilt adjusting rod.
Furthermore, a horizontal screw rod penetrating through the rotary deflector rod is arranged at the side end part of the groove-shaped rod relative to the rotary deflector rod in the X-axis direction, an internal thread matched with the horizontal screw rod in a transmission way is arranged in the rotary deflector rod body, and a limiting part for limiting the axial movement of the horizontal screw rod is arranged on the groove-shaped rod.
Further, balls or rollers are arranged between the bottom side of the rotary deflector rod and the inner bottom surface of the groove-shaped rod material; the middle part of the X beam is fixedly provided with a hinge shaft which is hinged with the middle part of the X-axis direction rotary deflector rod; a deflector rod cavity is arranged at the end of the rotary deflector rod; a shifting block in threaded connection with the horizontal screw rod is arranged in the shifting rod cavity, and the internal thread is arranged in a threaded hole of the shifting block; the shifting block is cylindrical or flower-drum-shaped.
Further, the installation frame comprises an annular upper frame and an annular lower frame and a vertical rod connected between the annular upper frame and the annular lower frame, the annular upper frame and the annular lower frame are formed by steel pipe rings, two ends of the X beam are fixed on two opposite steel pipes of the annular lower frame, one end of the Y beam is vertically and fixedly connected to the middle of the X beam, and the other end of the Y beam is fixedly arranged on the steel pipe of the annular lower frame.
Further, the adjusting frame comprises an annular frame, the first dip angle adjusting rod and the second dip angle adjusting rod which are arranged on the same plane of the annular frame and are perpendicular to each other, the rotary deflector rod comprises an X-axis direction rotary deflector rod and a Y-axis direction rotary deflector rod, the X-axis direction rotary deflector rod is arranged on the bottom surface of the groove of the X beam, and the Y-axis direction rotary deflector rod is arranged on the bottom surface of the groove of the Y beam.
Furthermore, the swivel is made of a pipe into an annular shape, two sides of the swivel in the length direction of the Y axis are hinged by two groups of supporting sheets and two pins which are hung on the adjusting frame, and two sides of the swivel in the length direction of the X axis are hinged by two groups of supporting sheets and two pins which are protruded upwards from the rotary deflector rod in the X axis direction.
Further, the lower end parts of the first longitudinal screw and the second longitudinal screw are respectively connected with the X-axis direction rotary deflector rod and the Y-axis direction rotary deflector rod through a first limit structure or a second limit structure, the middle parts of the first longitudinal screw and the second longitudinal screw are connected with the first dip angle adjusting rod and the second dip angle adjusting rod through a first shifting block or a second shifting block, the first limit structure or the second limit structure is the same, the first limit structure or the second limit structure comprises a milled lower end part of the longitudinal screw, two inner gaskets sleeved on the lower end part of the longitudinal screw, two outer gaskets and nuts locked at the lower end of the longitudinal screw, the lower end part of the longitudinal screw penetrates into an inner cavity of the rotary deflector rod, the inner gaskets and the outer gaskets are respectively arranged at two sides of the upper wall surface of the rotary deflector rod in sequence, the inner hole section of the inner gaskets is a hole slightly larger than the diameter of the longitudinal screw, and the inner hole section of the outer gaskets is equivalent to the section of the milled lower end part of the longitudinal screw; the first shifting block and the second shifting block have the same structure and comprise a square outer cushion block plugged in the inner cavity of the dip angle adjusting rod and an inner cushion block plugged in a transverse perforation groove in the middle of the square outer cushion block, and the inner cushion block is in threaded connection with the longitudinal screw.
The invention relates to a working method of a hoisting mechanism of an image equipment installation frame, which is characterized by comprising the following steps of: the hoisting mechanism of the image equipment installation frame comprises an image equipment installation frame and an electric telescopic pull rod, wherein the lower end of the electric telescopic pull rod is connected to the installation frame, the upper end of the electric telescopic pull rod is fixedly connected with a top frame connected to a ceiling, the electric telescopic pull rods are arranged below three ends of the top frame, and the lower ends of the three electric telescopic pull rods are connected with the installation frame; a telescopic safety belt is arranged between the mounting frame and the ceiling; three electric telescopic pull rods synchronously lift; the electric telescopic pull rod is sequentially sleeved with a plurality of sections of pipe bodies from inside to outside, and telescopic pipe rods positioned between the top frame and the mounting frame are arranged in the inner pipe body in a penetrating manner; the telescopic pipe rod sequentially comprises an outer pipe sleeve, a spiral pipe and a screw rod from outside to inside, wherein the upper end part of the outer pipe sleeve is provided with a worm wheel driven by a worm to rotate, the upper end part of the spiral pipe is provided with a limit sleeve with a limit channel on the surface, the inner surface section of the outer pipe sleeve is matched with the outer surface of the limit sleeve, the spiral pipe is screwed with a first spiral sleeve, the first spiral sleeve is fixed on the lower end part of an inner pipe body, the lower end part of the spiral pipe is fixedly provided with the limit sleeve, the limit sleeve is also fixed on the lower end part of a middle pipe, the screw rod is in threaded connection with an inner threaded hole of the lower end head of the spiral pipe, and the lower end head of the screw rod is fixed on a mounting frame; when the screw is used, the motor drives the worm to rotate, the worm drives the worm wheel and the outer sleeve to rotate, the rotation of the outer sleeve and the first screw sleeve are fixed at the lower end of the inner pipe body, the screw is driven to rotate and axially move, and meanwhile, the screw also rotates in the screw and axially moves, so that the installation frame is driven to lift.
Further, the hoisting mechanism of the image equipment installation frame comprises an X beam and a Y beam which are arranged at the bottom of the installation frame and used for bearing an adjusting frame of the image equipment, a swivel which is arranged below the adjusting frame and a rotary deflector rod which is arranged below the swivel, wherein the X beam and the Y beam are made of groove-shaped rod materials, the rotary deflector rod is arranged in the groove-shaped rod materials, the swivel is hinged at the bottom side of the adjusting frame through two side parts in the length direction of the Y axis, the swivel is hinged on the rotary deflector rod in the X axis direction through two sides in the length direction of the X axis, and a first dip angle adjusting rod which extends along the X axis of the adjusting frame is driven by a first longitudinal screw thread which passes through the first dip angle adjusting rod; when the first longitudinal screw rod is rotated, the first longitudinal screw rod drives the end head of the first inclination angle adjusting rod to ascend and descend, so that the adjusting frame swings along the Y axis.
Further, a second inclination adjusting rod extending along the Y axis of the adjusting frame is driven by a second longitudinal screw thread penetrating through the second inclination adjusting rod; the groove-shaped rod material is provided with a horizontal screw rod penetrating through the rotary deflector rod relative to the side end part of the rotary deflector rod in the X-axis direction, the rotary deflector rod body is internally provided with an internal thread in transmission fit with the horizontal screw rod, and the groove-shaped rod material is provided with a limiting piece for limiting the axial movement of the horizontal screw rod; when the second longitudinal screw rod is rotated, the second longitudinal screw rod drives the end head of the second inclination angle adjusting rod to ascend and descend, so that the adjusting frame swings along the X axis; by rotating the horizontal screw, the horizontal screw drives the end head of the rotary deflector rod to swing, so that the adjusting frame swings along the Z axis.
The hoisting mechanism of the image equipment installation frame can be used for adjusting the height of the image equipment installation frame through the electric telescopic pull rod, is simple in structure and reasonable in design, is greatly convenient to use, can replace the universal joint of the existing carrier to adjust the direction of a projector, is simple in structure, easy to assemble, difficult to wear, and has bearing performance greatly higher than that of the conventional universal joint, so that the loading capacity of the carrier of the projector can be greatly enhanced, and the support frame is easy to maintain. The structure converts single-point stress of the existing universal joint structure into multi-point stress, reduces deformation of the bearing frame when being stressed, greatly improves stability of the projector when turning, enables the light beam in the turning start and stop process of the projector to be difficult to shake, and is long in service life.
In addition, the lever matching structure formed between the first and second dip angle adjusting rods and the swivel is not only capable of enabling the bearing frame to bear a heavier large projector, but also capable of enabling the bearing frame to be used as a moving bearing frame of a stage, and capable of effectively bearing huge inertia force generated when the stage projector is started, stopped and turned during movement.
Description of the drawings:
the invention is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a perspective view of an image device mounting frame of the present invention;
FIG. 2 is a partial perspective view of FIG. 1 (with the mounting frame, X-beam, Y-beam, etc. removed);
FIG. 3 is a schematic top view of the configuration of FIG. 1;
FIG. 4 is a schematic view of the K-K cross-sectional configuration of FIG. 3;
FIG. 5 is a partial view of FIG. 4;
FIG. 6 is a schematic cross-sectional view of the lower end of the longitudinal screw connected to the outer shim;
FIG. 7 is a schematic perspective view of the first longitudinal screw and the first shift block;
FIG. 8 is a schematic view of the connection structure of the horizontal screw and the rotary dial;
FIG. 9 is a perspective view of a lifting mechanism of the image device mounting frame of the present invention;
FIG. 10 is a perspective view of an electric telescopic drawbar;
FIG. 11 is a cross-sectional perspective view of FIG. 10;
k is an image equipment supporting plate.
The specific embodiment is as follows:
The hoisting mechanism of the image equipment installation frame comprises an image equipment installation frame 1 and electric telescopic pull rods A2, wherein the lower ends of the electric telescopic pull rods A2 are connected to the installation frame 1, the upper ends of the electric telescopic pull rods A2 are fixedly connected with a top frame A3 connected to a ceiling, the top frame A3 is in a T shape or a triangle shape and the like, the lower ends of the three ends of the top frame are respectively provided with the electric telescopic pull rods A2, the lower ends of the three electric telescopic pull rods are connected to the installation frame 1, telescopic pipe rods A7 are respectively arranged in the three electric telescopic pull rods, all the telescopic pipe rods A7 are mutually and synchronously rotated under the driving of respective motors, the synchronous lifting of the electric telescopic pull rods A2 and the installation frame 1 is realized, a plurality of telescopic safety belts are arranged between the installation frame and the ceiling, the telescopic safety belts A1 are provided with three telescopic safety belts, the telescopic safety belts can be nylon ropes or elastic ropes and the like, the upper ends of the telescopic safety belts are connected with a fixing plate A101 fixed to the ceiling, and the lower ends of the telescopic safety belts are connected to the installation frame; through flexible safety belt A1 connection, avoided this installing frame's unexpected dropping, improved the security of using.
The electric telescopic pull rod A2 can also be a hydraulic telescopic rod frame or a hanger or an electric telescopic rod of which the motor drive cable stretches out and draws back. The electric telescopic rod A2 of the present application is as follows.
The electric telescopic pull rod A2 is sequentially sleeved with a plurality of sections of pipe bodies from inside to outside, in particular an inner pipe body A4, a middle pipe A5 and an outer pipe body A6 (of course, two sections, four sections or five sections of pipe bodies can also be adopted), the inner pipe body A4, the middle pipe A5 and the outer pipe body A6 can be square steel pipes or round steel pipes and the like, the upper end of the inner pipe body A4 is connected to a top frame A3, the lower end of the outer pipe body A6 is connected to a mounting frame 1, a telescopic pipe rod A7 positioned between the top frame A3 and the mounting frame 1 is penetrated in the inner pipe body, and the telescopic pipe rod A7 can be a hydraulic telescopic rod or a single screw rod and the like. The telescopic rod A7 of the present application is as follows.
The telescopic pipe rod A7 sequentially comprises an outer pipe sleeve A8, a screw pipe A9 and a screw A10 from outside to inside, wherein the upper end part of the outer pipe sleeve A8 is provided with a worm wheel A12 driven by a worm A11 to rotate, the worm A11 is driven by a motor A13 to rotate, the upper end part of the screw pipe A9 is provided with a limit sleeve A14 with a limit channel on the surface, the inner surface section of the outer pipe sleeve is matched with the outer surface of the limit sleeve, a first screw sleeve A15 is screwed on the screw pipe A9, the first screw sleeve A15 is fixed on the lower end part of an inner pipe body A4, the lower end part of the screw pipe A9 is fixedly provided with a limit sleeve A16, the limit sleeve A16 is also fixed on the lower end part of a middle pipe, the screw A10 is screwed with an inner threaded hole at the lower end of the screw pipe A9, and the lower end of the screw A10 is fixed on the installation frame 1.
The three motors for controlling the lifting of the three electric telescopic pull rods are synchronously and cooperatively controlled, and the three motors are uniformly connected to a controller so as to realize the synchronous lifting of three positions uniformly connected to the mounting frame 1, avoid the blocking phenomenon, and in addition, the control lifting is suspended when the lifting encounters overload (such as the situation of being blocked by foreign matters and the like) so as to ensure the use safety.
The installation frame comprises an X beam 2 and a Y beam 3 which are arranged at the bottom of the installation frame 1, an adjusting frame 12 used for bearing image equipment, a swivel 11 arranged below the adjusting frame 12 and a rotary deflector rod 4 arranged below the swivel and used for driving the adjusting frame to rotate, wherein the X beam and the Y beam are made of groove-shaped rod materials, the rotary deflector rod 4 is arranged in the groove-shaped rod materials, the swivel 11 is hinged to the bottom side of the adjusting frame through two side parts in the length direction of the Y axis, the swivel is hinged to the rotary deflector rod in the X axis direction through two side parts in the length direction of the X axis, and a first dip angle adjusting rod 13 extending along the X axis of the adjusting frame 12 is in threaded transmission through a first longitudinal screw rod 14 penetrating through the first dip angle adjusting rod 13.
Further, the second tilt adjusting lever 15 of the adjusting frame 12 extending along the Y-axis is screw-driven by a second longitudinal screw 16 passing through the second tilt adjusting lever 15.
Furthermore, a horizontal screw rod 5 penetrating through the rotary deflector rod is arranged at the side end part of the groove-shaped rod relative to the rotary deflector rod in the X-axis direction, an internal thread 6 matched with the horizontal screw rod in a transmission way is arranged in the rotary deflector rod 5, and a limiting piece 7 for limiting the axial movement of the horizontal screw rod is arranged on the groove-shaped rod. The horizontal screw 5, the internal thread 6 on the rotary deflector rod and the limiting piece 7 form a group of nut screw rod mechanisms, namely, the end part of the rotary deflector rod can axially move along the horizontal screw 5 by rotating the horizontal screw 5, so that the rotary deflector rod 4 drives the adjusting frame to rotate in one degree of freedom. The limiting piece 7 is a limiting flange arranged on the horizontal screw 5, and the limiting flanges are respectively arranged on the inner side and the outer side of the wall surface of the groove-shaped rod material. Or the structure of the stopper 7 may be the same as the first stopper structure or the second stopper structure.
Further, in order to make the swing smoother, a ball or roller 8 is disposed between the bottom side of the rotary driving lever and the inner bottom surface of the groove-shaped lever, and the ball or roller 8 penetrates into the rotary driving lever 4 through a rod member in hinged connection, so as to realize better support of the rotary driving lever 4 and make the swing smoother.
Furthermore, in order to be reasonable in design, a deflector rod cavity 9 is arranged at the end of the rotary deflector rod; a shifting block 10 in threaded connection with the horizontal screw rod is arranged in the shifting rod cavity, and the internal thread 6 is arranged in a threaded hole of the shifting block 10; the rotary lever swings when the horizontal screw 5 is rotated, and in order to avoid interference of the rotary lever by the dial block 10, the dial block is cylindrical or flower-drum shaped.
Further, in order to realize the swing of the adjusting frame with more degrees of freedom, a swivel 11 is arranged between the adjusting frame 12 and the rotary deflector 4, the swivel 11 is made of a circular pipe or square pipe material into a ring shape (a rectangular ring or a circular ring is taken as an example in the drawing), the swivel 11 is hinged to the bottom side of the adjusting frame 12 through two side parts in the length direction of the Y axis, the swivel 11 is hinged to the rotary deflector 401 in the X axis direction through two side parts in the length direction of the X axis, and a first inclination adjusting rod 13 extending along the X axis of the adjusting frame is driven by a first longitudinal screw 14 penetrating through the first inclination adjusting rod 13 in a threaded manner; the second inclination adjusting rod 15 extending along the Y axis of the adjusting frame 12 is in threaded transmission by a second longitudinal screw 16 penetrating through the second inclination adjusting rod, and a limiting piece for limiting the axial movement of the first longitudinal screw and the second longitudinal screw is arranged on the groove-shaped rod material. The swivel 11 is made of a pipe material into a ring shape, two sides of the swivel in the length direction of the Y axis are hinged by two groups of supporting sheets 18 and two pins which hang on the adjusting frame, and two sides of the swivel in the length direction of the X axis are hinged by two groups of supporting sheets 19 and two pins which are upwards protruded on the rotary deflector rod in the X axis direction.
Further, in order to realize the swing with a swing center, a hinge shaft 17 is fixedly disposed in the middle of the X beam, the hinge shaft 17 passes through the middle of the X-axis direction rotation driving lever 401, and may be provided with a clamp at the upper end to prevent the X-axis direction rotation driving lever from moving axially on the hinge shaft 17, or a pressing plate 31 is disposed on the X or Y beam and pressed against the upper surfaces of the X-axis direction rotation driving lever and the Y-axis direction rotation driving lever, to limit the displacement of the X-axis direction rotation driving lever and the Y-axis direction rotation driving lever in the Z-axis direction, and in order to reduce friction, a ball or a roller may be disposed between the pressing plate 31 and the upper surfaces of the X-axis direction rotation driving lever and the Y-axis direction rotation driving lever, and the axis of the hinge shaft 17 may be defined as the Z-axis.
Further, for the portability of the apparatus, the installation frame 1 includes an annular upper frame 101, an annular lower frame 102, and a vertical rod 103 connecting the annular upper frame and the annular lower frame, where the annular upper frame and the annular lower frame are formed by steel pipe rings, and can be rectangular, square or square with rounded corners.
Further, in order to support reliably and disperse the supporting force of the image device, avoid the abrasion and the shortening of the service life of the device caused by the single-point supporting of a larger pressure, the adjusting frame 12 comprises an annular frame 1201 and the first tilt adjusting rod 13 and the second tilt adjusting rod 15 which are arranged on the same plane of the annular frame and are mutually perpendicular, the annular frame 1201 (which can be rectangular, square or square frame with rounded corners, etc.) and the first tilt adjusting rod 13 and the second tilt adjusting rod 15 are made of rods, so that the weight of the device is lighter, the image device is integrally supported on the adjusting frame 12, and the abrasion and the shortening of the service life of the device caused by the single-point supporting of a larger pressure are avoided, the rotating deflector rod 4 comprises an X-axis rotating deflector 401 and a Y-axis rotating deflector 402, the X-axis rotating deflector 401 is arranged on the bottom surface of the groove of the X-beam 2, and the Y-axis rotating deflector 402 is arranged on the bottom surface of the groove of the Y-beam 3.
Further, in order to make the swing process smoother, the lower ends of the first and second longitudinal screws are respectively connected with the X-axis direction rotary deflector rod and the Y-axis direction rotary deflector rod through a first limit structure or a second limit structure 20, the middle parts of the first and second longitudinal screws are connected with the first and second dip angle adjusting rods through a first or second shifting block 21, the first or second limit structures are the same, the first or second limit structure comprises a milled lower end part of the longitudinal screw, two inner gaskets 22 sleeved on the lower end part of the longitudinal screw, two outer gaskets 23 and nuts 26 locked at the lower end of the longitudinal screw, the lower end part of the longitudinal screw penetrates into an inner cavity of the rotary deflector rod, the inner gaskets 22 and the outer gaskets 23 are respectively and sequentially installed at two sides of the upper wall surface of the rotary deflector rod, the inner hole sections of the inner gaskets are holes slightly larger than the diameter of the longitudinal screw, and the inner hole sections of the outer gaskets are equivalent to the cross sections of the milled lower end parts of the longitudinal screw; the first shifting block and the second shifting block have the same structure and comprise a square outer cushion block 27 plugged in the inner cavity of the dip angle adjusting rod and an inner cushion block 29 plugged in a transverse perforation groove in the middle of the square outer cushion block, the inner cushion block is in threaded connection with the longitudinal screw, the outer cushion block 27 is made of plastic, the inner cushion block 29 is actually a nut, the clearance of the longitudinal screw is smaller through the design of the outer cushion block 27 and the inner cushion block 29, and the clearance in adjustment is also reduced through a first limiting structure and a second limiting structure.
A first tilt control knob 24 is mounted on the first longitudinal screw, a second tilt control knob 28 is mounted on the second longitudinal screw, and a third tilt control knob 30 may be mounted on the horizontal screw 5. The image equipment supporting plate K is arranged at four corner positions of the adjusting frame and used for locking the bottom of the image equipment, and the avoiding groove N is arranged on the side wall plates of the X beam 2 and the Y beam 3 so as to be inevitably swivel.
According to the lifting mechanism for the image equipment installation frame, the first inclination angle control knob 24 is rotated to enable the adjusting frame and the image equipment on the adjusting frame to swing around the Y axis, the second inclination angle control knob 28 is rotated to enable the adjusting frame and the image equipment on the adjusting frame to swing around the X axis, the third inclination angle control knob 30 is rotated to enable the adjusting frame and the image equipment on the adjusting frame to swing around the Z axis, the image equipment is placed on the adjusting frame and hinged with the adjusting frame or the rotary deflector 4 through the supporting piece 18, so that the gravity of the image equipment can be dispersed to the rotary deflector 4, the X beam 2 and the Y beam 3 through the adjusting frame and the rotary ring, the problems of poor adjusting smoothness and poor stability of one supporting point in the past are avoided, and the service life of the adjusting mechanism is prolonged.
Claims (5)
1. A hoisting mechanism of an image equipment installation frame is characterized in that: the device comprises an image equipment mounting frame and an electric telescopic pull rod, wherein the lower end of the electric telescopic pull rod is connected to the mounting frame, and the upper end of the electric telescopic pull rod is fixedly connected with a top frame connected to a ceiling; the lower parts of the three ends of the top frame are respectively provided with an electric telescopic pull rod, the three electric telescopic pull rods synchronously lift, and the lower ends of the three electric telescopic pull rods are connected with a mounting frame; a plurality of telescopic safety belts are arranged between the mounting frame and the ceiling, the upper ends of the telescopic safety belts are connected with a fixing plate fixed on the ceiling, and the lower ends of the telescopic safety belts are connected with the mounting frame; the installation frame comprises an X beam and a Y beam which are arranged at the bottom of the installation frame, an adjusting frame used for bearing image equipment, a swivel arranged below the adjusting frame and a rotary deflector rod arranged below the swivel, wherein the rotary deflector rod comprises an X-axis direction rotary deflector rod and a Y-axis direction rotary deflector rod, the X-axis direction rotary deflector rod is arranged on the bottom surface of a groove of the X beam, and the Y-axis direction rotary deflector rod is arranged on the bottom surface of a groove of the Y beam; the X beam and the Y beam are made of groove-shaped rod materials, the rotary deflector rod is arranged in the groove-shaped rod materials, the rotating ring is hinged to the bottom side of the adjusting frame through two side parts in the length direction of the Y axis, the rotating ring is hinged to the rotary deflector rod in the X axis direction through two side parts in the length direction of the X axis, and a first dip angle adjusting rod extending along the X axis of the adjusting frame is driven by a first longitudinal screw thread penetrating through the first dip angle adjusting rod; the second inclination adjusting rod of the adjusting frame extending along the Y axis is driven by a second longitudinal screw thread penetrating through the second inclination adjusting rod; the lower end part of the first longitudinal screw is connected with the X-axis direction rotary deflector rod through a first limit structure, the lower end part of the second longitudinal screw is connected with the Y-axis direction rotary deflector rod through a second limit structure, the first limit structure and the second limit structure are the same, the middle parts of the first longitudinal screw and the second longitudinal screw are connected with a first dip angle adjusting rod and a second dip angle adjusting rod through a first deflector block or a second deflector block, the first longitudinal screw comprises a milled lower end part of the longitudinal screw, two inner gaskets sleeved on the lower end part of the longitudinal screw, two outer gaskets and nuts locked at the lower end of the longitudinal screw, the lower end part of the longitudinal screw penetrates into an inner cavity of the rotary deflector rod, the inner gaskets and the outer gaskets are respectively and sequentially arranged at two sides of the upper wall surface of the rotary deflector rod, the inner hole section of each inner gasket is a hole slightly larger than the diameter of the longitudinal screw, and the inner hole section of each outer gasket is equivalent to the section of the milled lower end part of the longitudinal screw; the first shifting block and the second shifting block have the same structure and comprise a square outer cushion block plugged in the inner cavity of the dip angle adjusting rod and an inner cushion block plugged in a transverse perforation groove in the middle of the square outer cushion block, and the inner cushion block is in threaded connection with the longitudinal screw.
2. The hoisting mechanism of an image equipment mounting frame according to claim 1, wherein: three motors in the three electric telescopic pull rods are synchronously and cooperatively controlled, the three motors are uniformly connected to a controller, the electric telescopic pull rods are sequentially sleeved with a plurality of sections of pipe bodies from inside to outside, and telescopic pipe rods positioned between the top frame and the mounting frame are arranged in the inner pipe bodies in a penetrating manner.
3. The hoisting mechanism of an image equipment mounting frame according to claim 2, wherein: the telescopic pipe rod sequentially comprises an outer pipe sleeve, a spiral pipe and a screw rod from outside to inside, the upper end part of the outer pipe sleeve is provided with a worm wheel driven by a worm to rotate, the worm is driven by a motor to rotate, the upper end part of the spiral pipe is provided with a limit sleeve with a limit channel on the surface, the inner surface section of the outer pipe sleeve is matched with the outer surface of the limit sleeve, a first spiral sleeve is screwed on the spiral pipe, the first spiral sleeve is fixed on the lower end part of an inner pipe body, the lower end part of the spiral pipe is fixedly provided with a limit sleeve, the limit sleeve is also fixed on the lower end part of a middle pipe, the screw rod is screwed with an inner threaded hole of the lower end part of the spiral pipe, and the lower end part of the screw rod is fixed on an installation frame.
4. The hoisting mechanism of an image equipment mounting frame according to claim 1, wherein: the groove-shaped rod material is provided with a horizontal screw rod penetrating through the rotary deflector rod relative to the side end part of the rotary deflector rod in the X-axis direction, the rotary deflector rod body is internally provided with an internal thread in transmission fit with the horizontal screw rod, and the groove-shaped rod material is provided with a limiting piece for limiting the axial movement of the horizontal screw rod; balls or rollers are arranged between the bottom side of the rotary deflector rod and the inner bottom surface of the groove-shaped rod material; the middle part of the X beam is fixedly provided with a hinge shaft which is hinged with the middle part of the X-axis direction rotary deflector rod; a deflector rod cavity is arranged at the end of the rotary deflector rod; a shifting block in threaded connection with the horizontal screw rod is arranged in the shifting rod cavity, and the internal thread is arranged in a threaded hole of the shifting block; the shifting block is cylindrical or flower-drum-shaped.
5. The hoisting mechanism of an image equipment mounting frame according to claim 1, wherein: the mounting frame comprises an annular upper frame, an annular lower frame and a vertical rod connecting the annular upper frame and the annular lower frame, wherein the annular upper frame and the annular lower frame are formed into an annular shape by steel pipe rings, two ends of the X beam are fixed on two opposite steel pipes of the annular lower frame, one end of the Y beam is vertically and fixedly connected with the middle part of the X beam, and the other end of the Y beam is fixedly arranged on the steel pipe of the annular lower frame; the adjusting frame comprises an annular frame and the first dip angle adjusting rod and the second dip angle adjusting rod which are arranged on the same plane of the annular frame and are perpendicular to each other, the swivel is made of a pipe material into an annular shape, two sides of the swivel in the length direction of the Y axis are hinged by two groups of supporting sheets and two pins which are hung on the adjusting frame, and two sides of the swivel in the length direction of the X axis are hinged by two groups of supporting sheets and two pins which are upwards protruded on the swivel shifting lever in the direction of the X axis.
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| CN201810419888.0A CN108413201B (en) | 2018-05-04 | 2018-05-04 | Hoisting mechanism of image equipment installation frame and working method thereof |
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| CN201810419888.0A CN108413201B (en) | 2018-05-04 | 2018-05-04 | Hoisting mechanism of image equipment installation frame and working method thereof |
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| CN108413201B true CN108413201B (en) | 2024-06-04 |
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| CN201810419888.0A Active CN108413201B (en) | 2018-05-04 | 2018-05-04 | Hoisting mechanism of image equipment installation frame and working method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109373141A (en) * | 2018-10-11 | 2019-02-22 | 九江精密测试技术研究所 | It is a kind of based on screw lifter realize three axis without magnetic turntable |
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| CN108413201A (en) | 2018-08-17 |
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