CN110103235A - A kind of adjustable moving formula multimedia show automatic machinery people - Google Patents

Abstract

The invention relates to an adjustable mobile multimedia display automation robot, comprising a base plate, a moving wheel, a lifting mechanism, a fixing mechanism, a whiteboard, an installation mechanism and a projector. A moving wheel is installed at the lower end of the base plate, and the lifting mechanism is located between the base plate and the fixing mechanism In between, a whiteboard is installed on the fixing mechanism, a mounting mechanism is installed on the side wall of the whiteboard, and a projector is installed in the installation mechanism. The installation mechanism includes a rotating shaft, a rotating plate, a limit cylinder, a fixed column, a rotating column, a locking branch chain, an adjusting cylinder, a mounting plate and a supporting branch chain, and the lifting mechanism includes a lifting frame, a storage plate, a sliding frame and a positioning cylinder. The present invention can solve the problems existing in the use process of the existing multimedia teaching all-in-one machine, such as large occupied space when not in use, easy bumping, inconvenient movement of the whiteboard and inconvenient storage of the projector.

Description

An adjustable mobile multimedia display automation robot

technical field

The invention relates to the field of multimedia teaching equipment, in particular to an adjustable mobile multimedia display automation robot.

Background technique

The existing multimedia display equipment includes a combination of infrared touch technology, intelligent software, multimedia network communication technology, high-definition flat panel display technology and other technologies, integrating projectors, electronic whiteboards, computers, TVs, touch functions, etc. It is a multi-functional interactive teaching device that integrates all kinds of devices, which can upgrade the traditional display terminal to a full-featured human-computer interaction device.

The current teaching multimedia display equipment has the following problems in the use process:

(1) It occupies a large space, and requires a large space for storage when it is not in use, and it is inconvenient to move, and it is easy to cause bumps in the process of moving;

(2) The whiteboard moves relative to other devices in the equipment, and it cannot be guaranteed that all students in the classroom can clearly see the content on the whiteboard;

(3) The projector cannot be retracted according to the actual use situation, and it is easy to damage it during the moving process.

In order to improve the existing multimedia teaching all-in-one machine, there is some exploration and practice in related devices in China. The Chinese invention patent with the patent application number of 201711025984.9 discloses a multimedia teaching platform. The multimedia teaching platform can be used in the process of use. By turning the second threaded rod clockwise, the connecting plate drives the rollers to move down to support the podium box, so that the supporting feet are disengaged for easy movement, and can prevent the all-in-one computer from falling down after the all-in-one computer slides into the first chute. The half part is tilted, causing damage to the computer all-in-one machine, improving the protection ability of the computer all-in-one machine, thus solving the problem of single function, complicated operation and no anti-sabotage of the multi-media teaching platform; Chinese invention with patent application number 201310038027.5 The patent discloses a touch-type multimedia teaching all-in-one machine, which can make the multimedia teaching all-in-one machine realize TV, computer, touch and many other functions only by using a power cord to supply power, and has the advantages of simple overall structure, low cost and convenient operation. , has great economic value and social value, and is suitable for promotion and use. However, the above problems cannot be completely solved, so it is necessary to provide an adjustable mobile multimedia display automation robot for these problems.

SUMMARY OF THE INVENTION

In order to make up for the deficiencies of the prior art, the present invention provides an adjustable mobile multimedia display automation robot, which can solve the problems in the use of the existing multimedia teaching all-in-one machine that it occupies a large space when not in use, easily causes bumps, and is inconvenient to move the whiteboard. Problems such as inconvenient storage of the projector.

The technical problem to be solved by the present invention is realized by the following technical solutions: an adjustable mobile multimedia display automation robot, comprising a base plate, a moving wheel, a lifting mechanism, a fixing mechanism, a whiteboard, an installation mechanism and a projector, the lower end of the base plate is A moving wheel is installed, the lifting mechanism is located between the base plate and the fixing mechanism, a whiteboard is installed on the fixing mechanism, an installation mechanism is installed on the side wall of the whiteboard, and a projector is installed in the installation mechanism; wherein:

The fixing mechanism includes a translation frame, a support plate, a linear slide rail, a fixed frame, a fixed cylinder and a stable branch chain. The translation frame is installed on the upper end of the lifting mechanism, and a support plate is installed on the upper end of the translation frame. Retractable structure, there is a connection slot in the translation frame, the whiteboard is installed in the connection slot by sliding fit, and the back wall of the whiteboard is connected with the side wall of the support plate by sliding fit; the length of the translation frame and the support plate can be adjusted according to actual needs. Adjustment, under the support of the translation frame and the support plate, the whiteboard can move stably, so that students in different positions can clearly see the content of the whiteboard;

A linear slide rail is installed at the rear end of the support plate, and a fixed frame is installed on the linear slide rail by sliding fit. The fixed frame is a T-shaped structure. A rotating roller is evenly installed on the side wall of the rear end of the fixed frame from left to right, and the upper end of the fixed frame is installed. It is connected with the top of the fixed cylinder, the bottom end of the fixed cylinder is installed on the side wall of the support plate, and the lower end of the fixed frame is provided with a stable branch chain; the present invention can be fixed on the classroom blackboard through the cooperation of the linear slide rail, the fixed frame and the fixed cylinder In the set chalk groove, the present invention is prevented from tilting forward, and the stability during use is improved;

The installation mechanism includes a rotating shaft, a rotating plate, a limit cylinder, a fixed column, a rotating column, a locking branch, an adjusting cylinder, a mounting plate and a supporting branch. The rotating shaft is installed on the top of the whiteboard through bearings, and the left and right ends of the rotating shaft are installed. All are equipped with a rotating plate, a limit hole is set at the lower end of the rotating plate, a limit cylinder is arranged outside the limit hole, and the limit cylinder is installed on the top of the whiteboard; the rotation and position locking are completed through the cooperation of the rotating shaft, the rotating plate and the limit cylinder. function to realize the retraction and release of the projector;

A fixed column is installed on the rotating shaft, a rotating groove is opened in the fixed column, a rotating column is installed in the rotating groove through a bearing, a locking branch chain is connected between the rotating column and the fixed column, and an adjusting cylinder is installed at the lower end of the rotating column, and the top of the adjusting cylinder is A mounting plate is installed, a projector is installed at the lower end of the installation plate, and a support chain is installed at the back end of the whiteboard; the function of position locking is realized by locking the chain, and the projector is supported by the support chain when not in use. to reduce storage space.

Preferably, the lifting mechanism includes a lifting frame, an object storage board, a sliding frame and a positioning cylinder, the lifting frame is an up and down retractable structure, the bottom end of the lifting frame is installed on the base plate, the top of the lifting frame is installed with an object storage board, and the object storage board is U-shaped structure; the function of adjusting the overall height of the present invention is realized through the lifting frame;

The side wall of the lifting frame is provided with a sliding groove, the sliding frame is installed in the sliding groove by sliding fit, the upper end of the sliding frame is installed with a fixing mechanism, the sliding frame is an inverted I-shaped structure, and the left and right ends of the sliding frame are symmetrically provided with positioning holes. The inner wall of the positioning hole is in close contact with the top of the positioning cylinder, and the bottom end of the positioning cylinder is installed on the top side wall of the lifting frame; the function of local height adjustment of the present invention is realized by the cooperation of the sliding frame and the positioning cylinder.

Preferably, the stabilizing branch chain includes a stabilizing cylinder, a stabilizing plate, a spring and a telescopic rod, the stabilizing cylinder is evenly installed on the side wall of the middle part of the supporting plate from left to right, the left and right ends of the supporting plate are symmetrically arranged with stabilizing plates, and the stabilizing plate is Stable holes are evenly opened from left to right, the inner side of the stabilization plate is connected with one end of the telescopic rod, the other end of the telescopic rod is installed on the side wall of the support plate, and the outer cover of the telescopic rod is provided with a spring; the length of the translation frame and the support plate can be locked. function to avoid the influence of the length change on the normal teaching during use.

Preferably, the supporting chain includes a hook, a supporting plate, a sliding plate, an auxiliary plate and an adjustment block, the hook is installed at the rear end of the whiteboard, a supporting plate is arranged at the lower end of the hook, and the supporting plate is installed on the side of the supporting plate through a hinge On the wall, the upper end of the support plate is provided with a chute, the sliding plate is installed in the chute by sliding fit, the upper end of the sliding plate is provided with a square groove, and the side wall of the front end of the square groove is provided with a fixed opening; when the support plate is not needed , hang the hook in the fixed opening set on the square groove of the sliding plate, and turn the adjusting block so that the auxiliary plate can be kept parallel to the support plate. It is separated from the side wall of the auxiliary board, and then the auxiliary board is adjusted to be vertical to the supporting board.

The lower end of the sliding plate is provided with auxiliary grooves. The number of auxiliary grooves is two. The two auxiliary grooves are arranged symmetrically on the left and right. The inner wall of the auxiliary groove is closely attached to the upper end of the auxiliary plate. Adjustment block, the adjustment block is installed on the support plate through the bearing, the adjustment block is a left-right symmetrical structure, and the length of the adjustment block is greater than the distance between the two auxiliary plates; after the top of the auxiliary plate extends into the auxiliary groove opened at the lower end of the sliding plate, the bearing Keep vertical between the support plate and the support plate to support the projector.

Preferably, the locking branch chain includes a locking cylinder, a locking frame and a locking block, the locking cylinder is installed on the fixing column, the top of the locking cylinder is installed with a locking frame, the locking frame is closely attached to the side wall of the fixing column, and the left and right ends of the locking frame are installed The locking hole is symmetrically opened, and the inner wall of the locking hole is in close contact with the locking block, the locking block is installed on the side wall of the rotating column, and the locking block is a cuboid structure; Position lock function.

Compared with the prior art, the present invention has the following advantages:

1. The present invention has the advantages of small occupied space when not in use, not easy to cause damage during handling and movement, easy to move the use position and can store the projector, etc.;

2. The present invention is provided with a lifting mechanism, which can reduce the height of the present invention, avoid bumping the top of the present invention during the moving process, and save storage space at the same time;

3. The present invention is provided with a fixed mechanism, and the teacher can push the whiteboard to slide in the translation frame as required, so that students in different positions can clearly see the content of the whiteboard. During the movement of the whiteboard, the support plate supports its rear end. , to ensure the verticality of the whiteboard;

4. The present invention is provided with an installation mechanism, which can be properly adjusted according to whether the projector is used or not, so that the projector can be placed on the supporting chain, which can reduce the possibility of bumping the projector when it is not in use, and save energy at the same time. storage space.

Description of drawings

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Fig. 1 is the first three-dimensional structure schematic diagram of the present invention;

2 is a schematic diagram of a second three-dimensional structure of the present invention;

Fig. 3 is the plane structure schematic diagram of the present invention;

4 is a schematic diagram of the three-dimensional structure of the fixing mechanism, the whiteboard and the mounting mechanism of the present invention (except for the spring and the telescopic rod);

5 is a schematic diagram of the matching plane structure between the fixing mechanism and the sliding frame of the present invention;

FIG. 6 is a schematic view of the N-direction enlarged structure of FIG. 2 of the present invention.

Detailed ways

In order to make it easy to understand the technical means, creative features, achieved goals and effects of the present invention, the present invention will be further described below with reference to FIG. 1 to FIG. 6 .

An adjustable mobile multimedia display automation robot includes a base plate 1, a moving wheel 2, a lifting mechanism 3, a fixing mechanism 4, a whiteboard 5, an installation mechanism 6 and a projector 7. The lower end of the base plate 1 is provided with a moving wheel 2, which can lift The mechanism 3 is located between the base plate 1 and the fixing mechanism 4, the fixing mechanism 4 is mounted with a whiteboard 5, the sidewall of the whiteboard 5 is mounted with a mounting mechanism 6, and a projector 7 is mounted in the mounting mechanism 6; wherein:

The lifting mechanism 3 includes a lifting frame 31, an object storage board 32, a sliding frame 33 and a positioning cylinder 34. The lifting frame 31 is an up and down retractable structure. 32. The storage board 32 is a U-shaped structure; the function of adjusting the overall height of the present invention is realized by the lifting frame 31 .

A sliding groove is formed on the side wall of the lifting frame 31, and a sliding frame 33 is installed in the sliding groove through a sliding fit. The upper end of the sliding frame 33 is installed with a fixing mechanism 4, and the sliding frame 33 is an inverted I-shaped structure. The left and right ends of the sliding frame 33 Positioning holes are symmetrically opened, and the inner wall of the positioning hole is in close contact with the top end of the positioning cylinder 34, and the bottom end of the positioning cylinder 34 is installed on the top side wall of the lifting frame 31; through the cooperation of the sliding frame 33 and the positioning cylinder 34, the local height of the present invention is realized. adjustment function.

The fixing mechanism 4 includes a translation frame 41, a support plate 42, a linear slide rail 43, a fixed frame 44, a fixed cylinder 45 and a stable branch chain 46. The translation frame 41 is installed on the upper end of the lifting mechanism 3, and a support plate is installed on the upper end of the translation frame 41. 42, and the translation frame 41 and the support plate 42 are both left and right retractable structures, the translation frame 41 is provided with a connecting groove, the whiteboard 5 is installed in the connecting groove by sliding fit, and the rear wall of the whiteboard 5 is fitted with the support plate 42 by sliding fit. The side walls are connected; the length of the translation frame and the support plate can be adjusted according to actual needs. Under the support of the translation frame 41 and the support plate 42, the whiteboard 5 can move stably, so that students in different positions can see the whiteboard clearly content.

A linear slide rail 43 is installed at the rear end of the support plate 42, and a fixed frame 44 is installed on the linear slide rail 43 by sliding fit. The fixed frame 44 has a T-shaped structure. Rotating the drum, the upper end of the fixed frame 44 is connected with the top of the fixed cylinder 45, the bottom end of the fixed cylinder 45 is installed on the side wall of the support plate 42, and the lower end of the fixed frame 44 is provided with a stable branch chain 46; The cooperation of the fixing cylinders 45 can fix the present invention in the chalk groove provided on the classroom blackboard, prevent the present invention from tilting forward, and improve the stability during use.

The stabilizing branch chain 46 includes a stabilizing column 461, a stabilizing plate 462, a spring 463 and a telescopic rod 464. The stabilizing column 461 is evenly installed on the middle side wall of the supporting plate 42 from left to right, and the left and right ends of the supporting plate 42 are symmetrically arranged with stabilizers. Plate 462, the stabilization plate 462 is uniformly provided with stabilization holes from left to right, the inner side of the stabilization plate 462 is connected with one end of the telescopic rod 464, the other end of the telescopic rod 464 is installed on the side wall of the support plate 42, the telescopic rod 464 is covered with a spring 463; The function of locking the length of the translation frame 41 and the support plate 42 can be realized, so as to avoid the influence of the length change on the normal teaching during use.

The installation mechanism 6 includes a rotating shaft 61, a rotating plate 62, a limiting cylinder 63, a fixing column 64, a rotating column 65, a locking branch 66, an adjusting cylinder 67, a mounting plate 68 and a supporting branch 69. The rotating shaft 61 passes through the The bearing is installed on the top of the whiteboard 5, the left and right ends of the rotating shaft 61 are installed with a rotating plate 62, a limit hole is provided at the lower end of the rotating plate 62, a limit cylinder 63 is arranged outside the limit hole, and the limit cylinder 63 is installed on the top of the whiteboard 5; The rotating shaft 61 , the rotating plate 62 and the limiting cylinder 63 cooperate together to complete the functions of flipping and position locking, so as to realize the retraction and storage of the projector 7 .

A fixed column 64 is installed on the rotating shaft 61, a rotating groove is opened in the fixed column 64, a rotating column 65 is installed in the rotating groove through a bearing, and a locking branch 66 is connected between the rotating column 65 and the fixed column 64. The lower end of the rotating column 65 An adjustment cylinder 67 is installed, a mounting plate 68 is installed at the top of the adjustment cylinder 67, a projector 7 is installed at the lower end of the installation plate 68, and a support chain 69 is installed at the rear end of the whiteboard 5; When not in use, the projector 7 is supported by the supporting chain 69 to reduce the storage space.

The locking branch chain 66 includes a locking cylinder 661 , a locking frame 662 and a locking block 663 . The locking cylinder 661 is installed on the fixing column 64 , and a locking frame 662 is installed at the top of the locking cylinder 661 , and the locking frame 662 is closely attached to the side wall of the fixing column 64 . On the left and right ends of the locking frame 662 are symmetrically provided with locking holes, and the inner wall of the locking hole is in close contact with the locking block 663, the locking block 663 is installed on the side wall of the rotating column 65, and the locking block 663 is a cuboid structure; The cooperation between the frame 662 and the locking block 663 can realize the function of locking the position of the rotating column.

The supporting chain 69 includes a hook 691, a supporting plate 692, a sliding plate 693, an auxiliary plate 694 and an adjustment block 695. The hook 691 is installed at the rear end of the whiteboard 5, and a supporting plate 692 is arranged at the lower end of the hook 691. 692 is mounted on the side wall of the support plate 42 by hinges, the upper end of the support plate 692 is provided with a chute, the sliding plate 693 is installed in the chute by sliding fit, the upper end of the sliding plate 693 is provided with a square groove, There is a fixed opening; when the support plate is not needed, hang the hook in the fixed opening set on the square groove of the sliding plate, and turn the adjusting block to make the auxiliary plate parallel to the support plate. When the support plate is required, Take the hook out of the fixing opening, turn the adjusting block to separate it from the side wall of the auxiliary board, and then adjust the auxiliary board to be vertical to the supporting board.

The lower end of the sliding plate 693 is provided with auxiliary grooves. The number of auxiliary grooves is two. The two auxiliary grooves are arranged symmetrically on the left and right. The inner wall of the auxiliary groove is in close contact with the upper end of the auxiliary plate 694. An adjustment block 695 is arranged on the inner side of the plate 694. The adjustment block 695 is mounted on the support plate 42 through a bearing. The adjustment block 695 is a left-right symmetrical structure. The length of the adjustment block 695 is greater than the distance between the two auxiliary plates 694; After the auxiliary groove is opened at the lower end of the plate, the supporting plate and the supporting plate are kept vertical, so as to support the projector.

Before use, the overall height of the present invention is adjusted through the lifting mechanism 3. After the height is properly adjusted, the lengths of the translation frame 41 and the support plate 42 are adjusted according to actual needs, and the adjusted length is fixed by the stabilizing branch chain 46, and then Extend the bottom end of the fixing frame 44 into the chalk groove provided at the lower end of the classroom blackboard through the fixing mechanism 4, and then adjust the position of the installation mechanism 6 appropriately, so that the projector 7 can accurately project the image on the whiteboard 5;

During use, the teacher can push the whiteboard 5 to slide in the translation frame 41 as required, so that students in different positions can clearly see the content of the whiteboard 5. During the movement of the whiteboard 5, the support plate 42 supports its rear end function to ensure the verticality of the whiteboard 5;

After use, pull out the fixing frame 44 from the chalk groove, adjust the position of the installation mechanism 6, and place the projector 7 on the support plate 692, and then the positioning cylinder 34 performs a telescopic movement so that its top end is removed from the positioning hole. Pull out to move the sliding frame 33 downward until its bottom end is closely attached to the base plate 1, and finally adjust the length of the support plate 692 and the support plate 42 to the minimum, so as to save storage space.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims (6)

1. a kind of adjustable moving formula multimedia show automatic machinery people, including substrate (1), movable pulley (2), elevating mechanism (3), Fixed mechanism (4), blank (5), installing mechanism (6) and projector (7), it is characterised in that: substrate (1) lower end is equipped with shifting Driving wheel (2), elevating mechanism (3) are located between substrate (1) and fixed mechanism (4), are equipped on fixed mechanism (4) blank (5), white It is equipped with installing mechanism (6) on plate (5) side wall, projector (7) is installed in installing mechanism (6)；Wherein:

The fixed mechanism (4) includes pan carriage (41), support plate (42), line slide rail (43), fixed frame (44), fixed cylinder (45) and stablize branch (46), pan carriage (41) is mounted on elevating mechanism (3) upper end, and pan carriage (41) upper end is equipped with support plate (42), and pan carriage (41) and support plate (42) are left and right retractable structure, offer link slot in pan carriage (41), connect It is equipped with blank (5) in slot by sliding matching mode, blank (5) rear wall passes through sliding matching mode and support plate (42) side wall It is connected:

Support plate (42) rear end is equipped with line slide rail (43), is equipped with admittedly on line slide rail (43) by sliding matching mode To determine frame (44), fixed frame (44) is T-type structure, rotation roller is uniformly installed from left to right on the side wall of fixed frame (44) rear end, Fixed frame (44) upper end is connected with fixed cylinder (45) top, and fixed cylinder (45) bottom end is mounted on support plate (42) side wall On, fixed frame (44) lower end is provided with stable branch (46)；

The installing mechanism (6) includes rotation axis (61), rotor plate (62), limiting cylinder (63), fixed column (64), Rotational Cylindrical (65), branch (66), adjusting cylinder (67), mounting plate (68) and support branch (69), rotation axis (61) is locked to pass through bearing and pacify Mounted in blank (5) top, rotation axis (61) left and right ends are mounted on rotor plate (62), and rotor plate (62) lower end offers limit Hole, limit hole outside are disposed with limiting cylinder (63), and limiting cylinder (63) is mounted on blank (5) top:

It is equipped in rotation axis (61) fixed column (64), rotation slot is offered in fixed column (64), is pacified in rotation slot by bearing Equipped with Rotational Cylindrical (65), locking branch (66), Rotational Cylindrical (65) lower end peace are connected between Rotational Cylindrical (65) and fixed column (64) Equipped with cylinder (67) are adjusted, adjusts cylinder (67) top and be equipped with mounting plate (68), mounting plate (68) lower end is equipped with projector (7), blank (5) rear end is equipped with support branch (69).

2. a kind of adjustable moving formula multimedia show automatic machinery people according to claim 1, it is characterised in that: described Elevating mechanism (3) includes that crane (31), parcel shelf (32), sliding rack (33) and positioning cylinder (34), crane (31) are upper Lower retractable structure, crane (31) bottom end are mounted on substrate (1), and crane (31) top is equipped with parcel shelf (32), are set Object plate (32) is U-shaped structure:

Sliding groove is offered on crane (31) side wall, is equipped with sliding rack (33) in sliding groove by sliding matching mode, it is sliding Moving frame (33) upper end is equipped with fixed mechanism (4), and sliding rack (33) is that I-shaped structure, sliding rack (33) left and right ends are symmetrical Location hole is offered, location hole inner wall is mutually close to positioning cylinder (34) top, and positioning cylinder (34) bottom end is mounted on crane (31) on the side wall of top.

3. a kind of adjustable moving formula multimedia show automatic machinery people according to claim 1, it is characterised in that: described Stablizing branch (46) includes stablizing cylinder (461), steadying plate (462), spring (463) and telescopic rod (464), stablizes cylinder (461) it is uniformly mounted on from left to right in support plate (42) middle part of sliding channel:

Support plate (42) left and right ends have been arranged symmetrically steadying plate (462), and steadying plate is uniformly provided with from left to right on (462) Stablize hole, is connected on the inside of steadying plate (462) with telescopic rod (464) one end, telescopic rod (464) other end is mounted on support plate (42) on side wall, spring (463) are arranged with outside telescopic rod (464).

4. a kind of adjustable moving formula multimedia show automatic machinery people according to claim 1, it is characterised in that: described Support branch (69) includes hook (691), supporting plate (692), sliding panel (693), accessory plate (694) and adjusting block (695), is hung Hook (691) is mounted on blank (5) rear end, and hook (691) lower end is disposed with supporting plate (692), and supporting plate (692) is pacified by hinge On support plate (42) side wall, supporting plate (692) upper end offers sliding slot, and sliding slot is interior to be equipped with cunning by sliding matching mode Movable plate (693), sliding panel (693) upper end offer square groove, offer fixing port in square groove front end side wall:

Sliding panel (693) lower end offers auxiliary tank, and auxiliary slot number is two, and two auxiliary tanks are symmetrically arranged, auxiliary tank Inner wall is mutually close to accessory plate (694) upper end, and accessory plate (694) is mounted on support plate (42) side wall by hinge, accessory plate (694) disposed inboard has adjusting block (695), and adjusting block (695) is mounted on support plate (42) by bearing.

5. a kind of adjustable moving formula multimedia show automatic machinery people according to claim 1, it is characterised in that: described Locking branch (66) includes that lock cylinder (661), lock bracket (662) and clamping block (663), lock cylinder (661) are mounted on solid On fixed column (64), lock cylinder (661) top is equipped with lock bracket (662), and lock bracket (662) is tightly attached to fixed column (64) side wall On, lock bracket (662) left and right ends symmetrically offer lock hole, and lock hole inner wall is mutually close to clamping block (663), clamping block (663) it is mounted on Rotational Cylindrical (65) side wall.

6. a kind of adjustable moving formula multimedia show automatic machinery people according to claim 2, it is characterised in that: described Adjusting block (695) is bilateral symmetry, and adjusting block (695) length is greater than the spacing between two accessory plates (694).