CN211349912U - Teaching aid applying mechanical principle - Google Patents

Abstract

The utility model provides an application mechanical principle's teaching aid, including the baffle box, its below is equipped with a switching-over wheel, a switching-over pole extends downwards at the baffle box middle part, a switching-over post extends at the wheel face edge of switching-over wheel, open the switching-over pole bottom has a long notch, the switching-over post is arranged in the long notch, and the switching-over post can rotate around self middle part, the switching-over wheel both sides are equipped with one respectively and put the hopper, two put between the hopper be connected through a switching-over roof beam with switching-over wheel rigid coupling, the switching-over wheel below is equipped with puts the hopper, and when one of them put the hopper motion and put extreme position, the one end of baffle box is arranged in and should be put the. The utility model discloses a switching-over groove, reversing bar and reverse wheel mutually support for when one of them was put the hopper and was accepted the bobble, the switching-over groove can receive the bobble gravity to influence to opposite side slope, makes next bobble can arrange another in and put the hopper, makes two put hopper work in turn, and attracts the student to notice through the bobble motion in it, arouses student's interest.

Description

Teaching aid applying mechanical principle

Technical Field

The utility model belongs to the teaching aid field especially relates to an application mechanical principle's teaching aid.

Background

In the mechanical teaching, the principles of mechanical structure, mechanical transmission and the like are usually demonstrated to students for watching in the forms of slide demonstration, flash animation and the like, but in the process, the students have no way to participate in the teaching, can only watch the flowers on the horse, but cannot interact with the teaching contents, so that the nerves of part of the students are distracted, and the learning effect of the students is influenced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an application mechanical principle's teaching aid to make the student can improve learning efficiency through the relevant knowledge of actual operation learning machinery.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a teaching aid using mechanical principle comprises

The exhibition subsection comprises a guide chute, a reversing wheel is arranged below the guide chute, a reversing rod extends downwards from the middle of the guide chute, a reversing column extends from the edge of the wheel surface of the reversing wheel, a long notch is formed in the bottom end of the reversing rod, the reversing column is arranged in the long notch and can rotate around the middle of the reversing column, two material placing hoppers are respectively arranged on two sides of the reversing wheel and connected through a reversing beam, the middle of the reversing beam is fixedly connected with the center of the reversing wheel, one material placing hopper is arranged below the reversing wheel, and when one material placing hopper moves to an upper limit position, one end of the guide chute is arranged right above the material placing hopper.

Furthermore, two blanking chutes are arranged on two sides below the reversing wheel, the end parts of the two blanking chutes are communicated, an included angle is reserved between the length direction of each blanking chute and the horizontal plane, and when the material placing hopper is arranged at the lower limit position, the material placing hopper is arranged above one of the blanking chutes.

Furthermore, the reversing wheel is coaxially connected with a main chain wheel, two sides of the main chain wheel are respectively provided with an auxiliary chain wheel, the main chain wheel is connected with the auxiliary chain wheels through a chain, two sides of each auxiliary chain wheel are respectively provided with a display board, and a connecting beam is arranged between the two display boards.

Further, this teaching aid still includes originated subsection, its stock chest and the blowing groove that sets up including the slope, just stock chest and blowing groove can communicate each other, the blowing groove is close to stock chest one end top and has set firmly a baffle, the blowing groove middle part is equipped with the hinge lug, and when the blowing groove rotated around the hinge lug, the stock chest can be plugged up to the baffle.

Furthermore, the teaching aid further comprises a first lifting unit, the first lifting unit comprises a stand column, a first lifting groove group and a second lifting groove group, the first lifting groove group and the second lifting groove group are respectively arranged on two sides of the stand column, an adjusting rod is respectively arranged on the top end and the lower end of the stand column, the middle of the adjusting rod is rotatably connected with the stand column, two ends of the adjusting rod are respectively provided with a connecting rod, two ends of the two connecting rods are respectively hinged with two ends of the two adjusting rods, the first lifting groove group and the second lifting groove group respectively comprise a plurality of lifting grooves, the middle of each lifting groove is rotatably connected with the connecting rod, and one ends, close to the stand column, of the lifting grooves of the first lifting groove group and the second lifting groove group can.

Furthermore, this teaching aid still includes desktop marble subsection, and it is including the desktop that the slope set up, be equipped with service office on the desktop, be equipped with two guide walls on the desktop, and two guide wall components become the ascending horn mouth form of opening, the desktop top still is equipped with the driving lever that two mirror images set up, and two driving levers can be respectively with two the length defense line of guide wall is located same straight line, the driving lever is close to guide wall one end and extends the third axis of rotation downwards, the third axis of rotation passes the desktop for the driving lever can rotate around the third axis of rotation.

Furthermore, the ball serving machine comprises a launching groove, an ejection push rod is arranged in the launching groove along the length direction of the launching groove, a push plate is arranged at the inner end of the ejection push rod, a pressure spring is sleeved on the launching push rod, one end of the pressure spring abuts against the push plate, and the other end of the pressure spring abuts against the groove wall of the launching groove.

Further, this teaching aid still includes the second and promotes the subsection, and it includes fixed walking ladder and motion walking ladder, the top of fixed walking ladder and motion walking ladder is articulated each other, and the bottom below of motion walking ladder is equipped with a support column, support column bottom below is equipped with a cam.

Further, this teaching aid still includes the transportation subsection, and it includes fixed supporting platform, fixed supporting platform is including accepting the groove and arranging the board of accepting in it in, accept the board middle part with the lateral wall of accepting the groove rotates and connects, it is equipped with a guide rail to accept groove one end, be equipped with a dolly on the track, the dolly includes the chassis and arranges the car hopper of chassis top in, the car hopper bottom is kept away from the one end of accepting the groove with the chassis is articulated, guide rail keeps away from fixed supporting platform one end and has set firmly one and stop the piece.

Furthermore, the teaching aid further comprises a manipulator branch part, wherein the manipulator branch part comprises a large arm and a small arm which are hinged to each other, a clamping jaw is arranged at one end, far away from the large arm, of the small arm, the clamping jaw comprises a first clamping jaw group, a second clamping jaw group and a clamping jaw group fixing plate arranged between the first clamping jaw group and the second clamping jaw group, a supporting jaw is fixedly arranged below the clamping jaw group fixing plate, the first clamping jaw group and the second clamping jaw group respectively comprise a first clamping jaw foot and a second clamping jaw foot which can be opened or closed, and the supporting jaw is arranged below the position between the first clamping jaw foot and the second clamping jaw foot;

the big arm is hinged with an operating rod parallel to the small arm.

Furthermore, the teaching aid further comprises a balance linkage subsection which comprises a pedal plate, wherein the pedal plate can incline towards a plurality of directions around the center, a linkage column extends downwards from the center of the pedal plate, and a plurality of first linkage pieces are arranged on the periphery of the linkage column; the supporting platform is arranged below the movable platform, the supporting platform is connected with the movable platform through a universal unit, and a plurality of second linkage pieces corresponding to the first linkage pieces extend downwards from the bottom of the universal plate; one end of the rope is connected with the first linkage piece, and the other end of the rope is connected with the second linkage piece; and when the pedal plate tilts, the movable plate and the pedal plate tilt synchronously.

Further, this teaching aid still includes the lever motion subsection, and it includes the lever groove, the lever groove can rotate around self middle part, lever groove one end is opened there is the feed inlet, and the other end is equipped with and ends the contrary board, ends the contrary board tip of ending and arranges lever groove lateral wall top in, and with the both sides lateral wall in lever groove rotates and is connected.

Furthermore, the teaching aid further comprises a tower crane resetting subsection which comprises a tower body, a control unit is arranged on the lower portion of the tower body and comprises a third hand wheel, a screw rod is coaxially and fixedly connected to the third hand wheel, a wire receiving roller is screwed on the screw rod, a ratchet wheel capable of rotating along a single direction is sleeved at the end portion of the screw rod, one end of the wire receiving roller is tightly abutted to a wheel piece of the ratchet wheel, and an eleventh traction rope is wound on the wire receiving roller;

when the screw rod rotates along the direction of retracting the eleventh traction rope, the ratchet wheel and the screw rod move synchronously.

Compared with the prior art, an application mechanical principle's teaching aid have following advantage:

the utility model discloses a switching-over groove, reversing bar and switching-over wheel are mutually supported for when one of them is put the hopper and is accepted the bobble, the switching-over groove can receive the bobble gravity to influence to opposite side slope, makes next bobble can arrange another in and put the hopper, makes two put hopper work in turn, and attracts the student to notice through the bobble motion in it, arouses student's interest.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a schematic structural diagram of a switch control unit;

FIG. 2 is a front view of the first lifting unit;

FIG. 3 is a rear view of the first lifting unit

FIG. 4 is a schematic three-dimensional structure of a pinball section on a table;

FIG. 5 is a bottom view of a pinball on a table;

FIG. 6 is a schematic view of a second lifting subsection;

FIG. 7 is a schematic view of a transportation subsection;

FIG. 8 is a schematic diagram showing the partial structure;

FIG. 9 is a schematic diagram showing a rear view of a subsection;

FIG. 10 is a schematic view of a robot arm sub-assembly;

FIG. 11 is a schematic view of the internal structure of the robot arm section;

FIG. 12 is a schematic view of the claw body structure;

FIG. 13 is a schematic structural diagram of a control part;

FIG. 14 is a schematic view of a seventh pull line and a seventh sheath;

FIG. 15 is a schematic view of a third lifting subsection;

FIG. 16 is a schematic view of a balanced linkage segment;

FIG. 17 is a schematic view of the connection structure of the foot board and the supporting board;

FIG. 18 is a schematic view of the structure of the footrest, support plate and base plate;

FIG. 19 is a schematic view of a gimbal unit;

FIG. 20 is a schematic structural view of a support platform and a movable platform;

FIG. 21 is a schematic view of an eighth pull line;

FIG. 22 is a schematic view of the linkage between the foot pedal and the movable plate;

FIG. 23 is a schematic view of a lever motion profile;

FIG. 24 is a schematic view of the overall structure of the tower crane tower section;

FIG. 25 is a schematic view of the structure of the walking platform, the rope and the winding roll;

FIG. 26 is a schematic view of the take-up roll, an eleventh pull rope and the take-up roll;

FIG. 27 is a schematic structural view of the boom and the traveling unit;

FIG. 28 is a schematic structural diagram of a control unit;

FIG. 29 is a schematic view showing the movement of the hook control section during winding and unwinding.

Description of reference numerals:

01-initial subsection; 011-a storage tank; 012-a baffle; 013-discharge groove; 0131-plug; 0132-hinge ears; 014-first tension spring; 015-a first hand wheel; 016-first linkage wheel; 0161-a first linkage shaft; 017-first linkage rod; 018-a first hook; 02-a first lifting unit; 021-column; 022-a first set of lifting slots; 023-a second set of hoisting grooves; 0221-lifting groove; 029-adjusting the lever; 0222-connecting rods; 0223-driven motion bar; 024-second articulated shaft; 025-a swing handle; 026-second linkage wheel; 0261-second link shaft; 027-second linkage rod; 028-a second hand wheel; 03-division of pinballs on table; 031-tabletop; 032-ball feed track; 033-service department; 0331-launch slot; 0332-ejecting a push rod; 0333-push plate; 0334-a pressure spring; 034-guide wall; 035-deflector rod; 0351-third axis of rotation; 036-third linkage rod; 037-third joystick; 0361-linkage slide hole; 0371-third handle; 038-linear bearing; 039-blocking rod; 0391-carrying handle; 04-a second lifting subsection; 041-lifting block; 0411-raised edge; 042-support column; 043-cam; 044-fourth shaft; 0441-fourth handwheel; 045-a guiding platform; 046-fixed walking stairs; 0461-fixed step; 0462-barrier strip; 047-moving walking stairs; 0471-moving steps; 05-transportation subsection; 051-fixing the bearing platform; 0511-bearing groove; 0512-bearing the board; 052-guide track; 0521-a stop block; 053-trolley; 0531-base plate; 0532-car hopper; 05321-ball outlet; 0533-the fifth hook; 054-portal frame; 0541-gantry guide wheel; 055-first take-up roll; 056-fifth traction wire; 057-a mandril; 058-fifth handwheel; 06-display subsection; 061-a guide chute; 062-reversing lever; 0621-a long slot; 063-a reverser wheel; 0631-a reversing column; 064-placing a hopper; 0641-reversing beam; 065-a charging chute; 066-blanking pipe; 067-a lead-out slot; 068-main sprocket; 0681-secondary sprocket; 0682-connecting beams; 0683-display board; 07-a manipulator subsection; 071-a base; 0711-rotating disc; 0712-a support arm; 072-big arm; 0721-lever; 07211-fourth hinge axis; 0722-seventh handle; 0723-stabilizer bar; 0724-fifth hinge axis; 0725-eighth linkage rod; 073-forearm; 0731-third hinge shaft; 0732-seventh linkage bar; 074-clamping jaw; 741-a first jaw set; 0742-a second jaw set; 07421-first paw foot; 07422-second paw; 0743-first fixed block; 07431-positioning slide hole; 07432-second hanging column; 0744-slide block; 07441-first hanging post; 0745-claw group fixing plate; 0746-connecting strip; 0747-holding claw; 0748-seventh tension spring; 075-a control; 0751-fixed holding rod; 0752-sports grip lever; 07521-junction block; 0753-limit fork; 0754-second fixed block; 076-counterweight block; 077-a wire passing space; 078-seventh hauling cable; 0781-seventh sheath; 08-third lifting subsection; 081-lifting columns; 0811-lifting hole; 082-material placing groove; 0821-pressure bar; 083-hinge column; 084-briquetting; 085-a gear lever; 086-lifting the pole; 087-vertical rail; 0871-a guide block; 0872-pin; 088-an eighth linkage wheel; 0881-eighth linkage shaft; 0882-eighth hand wheel; 089-an eighth linkage rod; 0891-oblong holes; 09-balanced linkage subsection; 091-foot pedal; 0911-hinged frame; 0912-receiving holes; 0913-first balance shaft; 0914-second balance shaft; 0915-linkage column; 0916-first linkage piece; 092-a mobile platform; 0921-gimbal unit; 09211-gimbal block; 092111-a first hinge; 092112-a second hinge; 09212-first hinge plate; 09213-second hinge plate; 09214-gimbal plate; 09215-second linkage piece; 093-a support platform; 0931-wire passing cavity; 0932-a second restraint post; 0933-a second stop collar; 0934-second opposing spring; 094-a support plate; 0941-top abutment plate; 0942-first restraint post; 0943-first stop collar; 0944-first resisting spring; 095-bottom plate; 0951-wire passing hole; 096-ninth pull cord; 0961-ninth jacket; 0962-abutment head; 097-maze exit; 10-lever motion division; 101-a lever groove; 1011-feed inlet; 102-a backstop plate; 103-a guide bar; 104-a second hinge ear; 105-a tenth linkage bar; 106-tenth handwheel; 107-tenth linkage column; 11-tower crane branch resetting; 111-a tower; 1111-supporting tube; 1112-a rotating tube; 1113-turn table; 1114-a linkage gear; 112-a boom; 1121-sliding rail; 1122-a wire fixing portion; 113-a control unit; 1131 — boom control; 11311-steering hand wheel; 11312 — drive gear; 1132 — a hanger control; 11321-positioning handwheel; 11322-winding roll; 11323-rope; 1133, a hook control part; 11331-control wire hand wheel; 11332 — a second take-up pulley; 11333-ratchet wheel; 11334-pawl; 11335-screw; 11336-eleventh draw line; 1134-support rods; 1135 — hinge block; 1136-eleventh extension spring; 114-a walking unit; 1141-a roller; 1142-a boom; 1143-a hanger; 11431-a wiring portion; 11432-tower crane guide wheel; 1144-eleventh hook.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The teaching aid applying the mechanical principle comprises a plurality of activity participation units connected through a slide way, and a ball body can sequentially pass through the activity participation units through the slide way;

the activity participation unit comprises a starting subsection 01, the starting unit comprises a switch control portion 075 and a small ball receiving portion, the switch control portion 075 comprises a storage tank 011 used for placing small balls, the storage tank 011 is obliquely arranged, a baffle 012 capable of moving up and down is arranged at the lower end of the storage tank 011, when the baffle 012 is at a lower limit position, the motion baffle 012 blocks the end portion of the storage tank 011, a discharging groove 013 is arranged along the length direction of the storage tank 011, the discharging groove 013 is obliquely arranged, and when the baffle 012 is lifted upwards, the discharging groove 013 is communicated with the storage tank 011, small balls in the storage tank 011 can roll into the discharging groove 013, one end, far away from the storage tank 011, of the discharging groove 013 is provided with a plug 0131 to prevent small balls entering the discharging groove 013 from being separated from the discharging groove 013, the middle of the discharging groove 013 is provided with a hinge ear 0132, the discharging groove 013 is hinged with a frame body through the ear 0132 (the frame body is used for supporting teaching appliances, in order to embody the main structure of the teaching tool, the rack body is not shown), a first tension spring 014 is arranged below the plug 0131, one end of the first tension spring 014 is hung on the plug 0131, the other end of the first tension spring 014 is hung on the rack body, when the discharging groove 013 is not subjected to an external force, the tension spring applies a downward force to the plug 0131, one end of the discharging groove 013 close to the plug 0131 is inclined downwards, the upper surface of the wall of the other end of the discharging groove is fixedly connected with the bottom end of the baffle 012, the baffle 012 and one end of the discharging groove 013 far away from the plug 0131 synchronously move, the discharging groove 013 is communicated with the storage groove 011, a first hand wheel 015 is arranged on one side of the discharging groove 013, the first hand wheel 015 is coaxially connected with the first linkage wheel 016, a first linkage shaft 0161 is eccentrically arranged on the first linkage wheel 016, a first linkage rod 017 is arranged between the first linkage shaft 0161 and the plug 0131, and one end of, the other end with first end cap 0131 is connected, and is concrete, still be equipped with first couple 018 on the end cap 0131, the tip of first extension spring 014 with first couple 018 articulates, in the work process of initial subsection 01, the operator rotates first hand wheel 015, drive first ganged wheel 016, first ganged bar 017 and blowing tank 013 and move, make blowing tank 013 rotate around articulated ear 0132, emit the pellet in it, baffle 012 on the blowing tank 013 moves along with blowing tank 013 synchronization simultaneously, make baffle 012 can shelter from the tip in storage tank 011, plug up storage tank 011, prevent that the pellet in storage tank 011 from rolling out, after the pellet in blowing tank 013 is emitted, loosen first hand wheel 015, pull the blowing tank through first extension spring 014 and have end cap 0131 one end of end 013, make blowing tank 013 resume former gesture, blowing tank 013 communicates with storage tank 011.

The unit is participated in activity still including arranging in the first promotion unit 02 at the 01 rear of originated subsection, after the bobble moved out originated subsection 01 along the blown down tank, then moved to first promotion unit 02 along the slide, first promotion unit 02 includes stand 021 to and relative setting and stand 021 both sides first promote bank 022 and second promote bank 023, first promote bank 022 and second promote bank 023 all along vertical direction distribution have a plurality of promotion grooves 0221, stand 021 top and low end are equipped with an regulation pole 029 respectively, adjust pole 029 middle part with stand 021 rotates to be connected, adjust pole 029 both ends and are equipped with connecting rod 0222 respectively, and the top of two connecting rods 0222 is articulated with the both ends of adjusting pole 029 at stand 021 top respectively, and the bottom is articulated with the regulation pole 029 at stand 021 bottom respectively, and two the length of adjusting pole 029 is the same, two the length of connecting rod 0222 is the same, make two regulation poles 029 and two connecting rods 0222 constitute parallelogram, the middle part of the promotion groove 0221 of first promotion groove group 022 and second promotion groove group 023 is connected on two connecting rods 0222 with rotating respectively, first promotion groove group 022 closes second promotion groove group 023 and still includes a driven motion pole 0223 respectively, the one end that the promotion groove 0221 on first promotion groove group 022 kept away from stand 021 all with the driven motion pole 0223 in first promotion groove group 022 rotate to be connected, the one end that the promotion groove 0221 on second promotion groove group 023 kept away from stand 021 all rotates with the driven motion pole 0223 in the second groove group equally to be connected for two motion groove groups set up about stand 021 mirror image, the one end that the promotion groove 0221 in first promotion groove group 023 keeps away from stand 021 is sealed, the one end that is close to stand 021 is equipped with the opening, and the promotion groove 0221 in first promotion groove group 023 can be followed vertical direction synchronous motion, the lifting grooves 0221 in the second lifting groove set 023 can move synchronously in the vertical direction, and when the first lifting groove set 022 moves upwards, the second lifting groove set 023 moves downwards, the closed end of each said lifting groove 0221 is heavier, so that when the lifting groove 0221 is in a natural state, the lifting groove 0221 is placed obliquely with its closed end downwards, when the first lifting groove set 022 moves downwards the second lifting groove set 023 moves upwards, the open end of the lifting groove 0221 in the first lifting groove set 022 can communicate with the open end of the lifting groove 0221 in the second lifting groove set 023, and the open end of the lifting groove 0221 in the first lifting groove set 022 can be over the open end of the lifting groove set 023 below it, and as the first lifting groove set 022 continues to descend, so that the open end of the lifting groove 1 of the second lifting groove set 023 is forced, the lifting groove 0221 in the second lifting groove set 023 rotates, until the open ends of the lifting grooves 0221 in the second lifting groove set 023 face downwards, so that the small balls in the second lifting groove set 023 roll into the lifting grooves 0221 in the first lifting groove set 022 originally placed above it, when the small balls roll into the first lifting groove set 022, the second lifting groove set 023 moves downwards, the first lifting groove set 022 moves upwards, the second lifting grooves 0221 in the second lifting groove set 023 moves downwards, so that the open ends of the lifting grooves 0221 in the second lifting groove set 023 press against the open ends of the lifting grooves 0221 of the first lifting groove set 022, so that the open ends of the lifting grooves 1 of the first lifting groove set 023 are forced, the lifting grooves 0221 in the first lifting groove set 022 rotate until the open ends of the lifting grooves 0221 in the first lifting groove set 022 face downwards, so that the small balls in the first lifting groove set 022 roll into the lifting grooves 0221 in the second lifting groove set 022 originally placed above it, so alternately repeating, finishing the lifting of the small balls, arranging an opening at one end of the lifting groove 0221 far from the column 021, arranging the small balls in the lifting groove 0221 at the top, moving the small balls into the slide way along the opening, allowing the small balls to move downwards to participate in the unit movement, specifically, in order to control the first lifting groove set 022 and the second lifting groove set 023 to move, a second articulated shaft 024 is fixedly arranged at the middle part of the adjusting rod 029 below the column 021, a swing handle 025 is fixedly arranged at the outer end of the second articulated shaft 024, a second linkage wheel 026 is arranged at one side of the column 021, the second linkage wheel 026 is coaxially connected with a second hand wheel 028, a second linkage 0261 is eccentrically arranged on the linkage wheel, the second linkage 0261 is connected with the swing handle 025 through a second linkage 027, and the second linkage 026 is rotated to drive the end of the swing handle 025 to swing, drive second articulated shaft 024 and rotate for adjust the both ends luffing motion of pole 029, drive connecting rod 0222 up-and-down motion, make the motion of promotion groove 0221 on the connecting rod 0222.

The activity participation unit further comprises a desktop marble subsection 03 which comprises a desktop 031 obliquely arranged about a horizontal plane, a ball conveying track 032 is arranged on the lower side of the desktop 031 along the edge of the desktop 031, when a ball leaves a first lifting subsection, the ball enters the ball conveying track 032 of the desktop marble subsection 03 along a slide, a ball serving organ 033 is arranged at one end, away from the slide, of the ball conveying track 032, the ball serving organ 033 comprises a launching groove 0331, one end of the launching groove 0331 faces into the desktop 031, the other end of the launching groove 0331 is closed and faces out of the desktop 031, an ejection push rod 0332 is arranged in the launching groove 0331 along the length direction of the launching groove 0331, one end of the ejection push rod 0332 is arranged in the launching groove 0331, the other end of the ejection push rod 0332 penetrates through the closed end of the launching groove 0331 and is arranged out of the launching groove 0331, one end of the ejection push rod 0332 arranged in the launching groove 0331 is provided with a push plate 0333, and a section of, the ball feeding track 032 is perpendicular to the launching slot 0331, the bottom of the launching slot 0331 is lower than the ball feeding track 032, the ejecting push rod 0332 is higher than the plane of the ball feeding track 032, so that when the small balls move to the end of the ball feeding track 032, the small balls can be blocked by the ejecting push rod 0332, two guide walls 034 extend upwards from the lower side of the tabletop 031, the two guide walls 034 form a bell mouth shape with an upward opening, two mirror-image shift rods 035 are further arranged above the tabletop 031, the two shift rods 035 can be in the same straight line with the length defense lines of the two guide walls 034, a third shift shaft 0351 extends downwards from one end of the tabletop 035 close to the guide walls 034, the third shift shaft 0351 penetrates through the tabletop 031, the end of the third shift shaft 0351 is arranged below the tabletop 031, two third shift rods 036 and two third shift rods 037 are arranged below the tabletop 031, one ends of two third linkage rods 036 are fixedly connected with the third rotating shaft 0351 respectively, linkage slide holes 0361 are formed in the other ends of the two third linkage rods 037, one ends of the two third linkage rods 037 are hinged with the third linkage rods 036 through the linkage slide holes 0361, third handles 0371 are arranged at the other ends of the two third linkage rods 037, and two linear bearings 038 are further arranged in the middle of the two control rods, so that the third control rods 037 can be guided; one end of the ball feeding track 032, which is close to the launching slot 0331, is provided with a blocking rod 039 moving along the vertical direction, the blocking rod 039 and the top end are provided with a lifting handle 0391, an operator can lift the blocking rod 039 by the lifting handle 0391 to open or close the ball feeding track 032 to prevent a plurality of small balls from entering the launching slot 0331, a third through hole is formed in the higher side of the table top 031, the third through hole is communicated with a slide way of a next activity participation unit and is arranged below the third through hole, when the small balls fall through the third through hole, the small balls can roll to the next activity participation unit along the slide way, in the operation process of the billiard sub-section 03 on the table, the ball feeding track 032 is opened, an elastic push rod is pulled out to enable the small balls to enter the launching slot 0331 from the ball feeding track 032, the elastic push rod is released, the small balls are pushed into the table top 031 by the elasticity of a pressure spring 0334, and the small balls move along the inclined table top 031, until the small balls contact with the poking rods 035, the operator pulls or pushes the third handle 0371 to control the two poking rods 035 to drive the small balls into the third through hole, so that the small balls can enter the next activity participation unit.

The activity participation unit is further divided into a second lifting subsection 04 which comprises a plurality of lifting blocks 041 moving along the vertical direction, the plurality of lifting blocks 041 are sequentially arranged along the width direction, a plurality of supporting columns 042 vertically extend downwards respectively, the supporting columns 042 are sequentially lengthened along the arrangement direction of the lifting blocks 041, the bottom ends of the supporting columns 042 are positioned in the same horizontal plane, a cam 043 is arranged below each supporting column 042 respectively, the centers of the wheel discs of the cams 043 are positioned in the same straight line, the convex parts of two adjacent cams 043 face opposite directions respectively, so that the lifting blocks 041 are lifted step by step, the spaced lifting blocks 041 move synchronously, namely when one lifting block 041 moves upwards under the driving of the cam 043, the adjacent lifting block 041 moves downwards, the upper surface of each top movement step 0471 is an inclined surface, and the upper surface of each lifting block 041 is positioned lower on one side of the longer supporting column 042, higher on the side of the shorter support column 042 (the frame body is provided with a guide mechanism for the support column 042, and the frame body is not shown in order to clear and reveal the structure of the second lifting subsection 04); a fixed walking step 046 and a moving walking step 047 are arranged on one side of the outermost lifting block 041, a plurality of fixed steps 0461 are arranged on the fixed walking step 046, a plurality of moving steps 0471 are arranged on the moving walking step 047, the top end of the moving walking step 047 is hinged to the fixed walking step 046, the moving step 0471 is arranged between the two fixed steps 0461, a support column extends downwards from the bottom of the lowermost moving step 0471, a cam 043 is also arranged below the bottom end of the support column, when the lifting block 041 closest to the fixed walking step 046 moves upwards, the moving walking step 047 moves upwards synchronously, and when the moving walking step 047 is lifted upwards to the limit position, the upper surface of the moving step 0471 is higher than the upper surface of the adjacent fixed step 0461. The upper surfaces of the fixed steps 0461 and the moving steps 0471 are inclined inward, so that when the fixed steps 0461 are higher than the adjacent moving steps 0471 or the moving steps 0471 are higher than the adjacent fixed steps 0461, the small ball placed on the fixed steps 0461 can roll to the moving steps 0471 or the fixed steps 0461 on the other side along the inclined upper surface, the centers of the wheel discs of the plurality of cams 043 are coaxially connected with a fourth rotating shaft 044, one end of the fourth rotating shaft 044 is coaxially connected with a fourth handwheel 0441, a guide platform 045 is arranged at the top of the fixed walking steps 046, when the moving walking steps 047 move upwards to the extreme position, the uppermost moving walking step 047 is placed above the guide platform 045, so that the small ball can move to the guide platform 045, the guide platform 045 is connected with a slide way leading to the next movable participation unit, and when the second lifting platform is operated, an operator rotates the fourth hand wheel 0441, so that the fourth hand wheel 0441 drives the plurality of cams 043 to synchronously rotate, the lifting blocks 041 move in a staggered manner in the vertical direction, the small balls sequentially pass through the plurality of lifting blocks 041 until rolling to the fixed walking ladder 046, the fourth hand wheel 0441 is continuously rotated to enable the moving walking ladder 047 to move upwards or downwards, the small balls alternately ascend on the fixed walking ladder 046 and the moving walking ladder 047 until rolling to the guide platform 045 from the moving step 0471 at the top of the moving walking ladder 047, in order to prevent the small balls from rolling down, blocking edges 0411 are respectively arranged on two sides of the lifting blocks 041, and blocking strips 0462 are respectively fixedly arranged on one side edge of the fixed walking ladder 046, which is far away from the moving walking ladder 047, and on one side edge of the moving walking unit 114, which is far away from the fixed walking unit 114.

The movable participation unit further comprises a transportation subsection 05 which comprises a fixed bearing platform 051, the upper portion of the fixed bearing platform 051 is communicated with a slide way, when small balls leave a second lifting subsection 04, the small balls can move into the fixed bearing platform 051 along the slide way, the fixed bearing platform 051 comprises a bearing groove 0511 and a bearing plate 0512 arranged in the bearing groove 051, the middle portion of the bearing plate 0512 is rotatably connected with the side wall of the bearing groove 0511, one end of the bearing groove 0511 is provided with a guide rail 052, the other end of the bearing groove 051 is closed, a trolley 053 capable of moving along the guide way is placed on the guide rail 052, the trolley 053 comprises a chassis 0531 and a trolley 0532 arranged above the chassis 0531, one end of the bottom of the trolley 0532, which is far away from the bearing groove 0511, is hinged with the chassis 0531, the other end of the guide rail 052 is provided with a door 054, and the top of the door 054 is provided, a fifth hook 0533 is fixedly arranged at the top of the car hopper 0532, a first wire collecting roller 055 is arranged below the fifth hook 0533 and the guide rail 052, the first wire collecting roller 055 is connected with the fifth hook 0533 through a fifth traction rope, the fifth traction rope bypasses a door frame 054 guide wheel, a mandril 057 is arranged below the bearing plate 0512, one end of the mandril 057 is hinged with the end of the bearing plate 0512 close to the closed end of the bearing groove 0511, the other end of the mandril 057 extends out of the bearing groove 0511, when the car 053 moves towards the bearing groove 0511, the dolly can be propped against the outer end of the mandril 057, so that the mandril 057 moves inwards to drive the bearing plate 0512 to rotate, the small ball is lifted by the end of the bearing plate 0512 close to the closed end of the bearing groove 0511, the small ball rolls on the bearing plate 0512 and falls into the car hopper 0532 of the car hopper 053, a blocking block 0521 is fixedly arranged at one end of the guide rail 052 4, and when the car 053, the barrier 0521 can prevent chassis 0531 of dolly 053 to continue the upward movement, continues to control first receipts line roller 055 rolling fifth tractive line for fifth tractive line pulling car hopper 0532 rotates around the articulated department of car hopper 0532 with chassis 0531, open the one end that car hopper 0532 is close to portal 054 has a ball mouth 05321, the ball can leave car hopper 0532 along ball mouth 05321, portal 054 below is equipped with the slide that leads to next activity and participate in the unit, the ball leaves car hopper 0532 back in the slide, the coaxial fifth hand wheel 058 that is connected with of first receipts line roller 055 to be convenient for control first receipts line roller 055.

The activity participation unit is also divided into a display subsection 06 which comprises a material guide groove 061, a reversing wheel 063 is arranged below the material guide groove 061, a reversing column 0631 vertically extends out from the upper edge of one side wheel face of the reversing wheel 063, a reversing rod 062 downwardly extends out from the middle of the material guide groove 062, the reversing rod 062 can rotate around the middle of the material guide groove 062, a long notch 0621 is arranged at the bottom end of the reversing rod 062, the reversing column 0631 is inserted into the long notch 0621, the reversing wheel 063 rotates in a reciprocating way within a preset angle, so that the reversing column 0631 swings at the top of the reversing wheel 063, in the process, the reversing column 0631 always moves in the long notch 0621, the reversing rod 062 swings along with the swinging of the reversing column 0631, so that the material guide groove 061 arranged at the top of the reversing column 063 swings, the teaching aid display subsection also comprises two material hoppers 064, the two material hoppers 0641 are connected, the middle part of the reversing beam 0641 is fixedly connected with the center of a reversing wheel 063, two material placing hoppers 064 move in the vertical direction along with the swinging of the reversing wheel 063, one material placing hopper 063 is arranged below the reversing wheel 063, when one material placing hopper 064 moves to an upper limit position, one end of a material guiding groove 061 is arranged right above the material placing hopper 064, the material guiding groove 061 inclines towards the material placing hopper 064, the other material placing hopper 064 is arranged at a lower limit position, one end of an opening of the material placing hopper 064 inclines downwards, two blanking grooves 065 are arranged on two sides below the reversing wheel 063, the end parts of the two blanking grooves 065 are communicated, an included angle is reserved between the length direction of each blanking groove 065 and the horizontal plane, the two blanking grooves 065 are combined to form a V shape, a blanking pipe 066 is vertically arranged below the intersection of the two blanking grooves 065, and the bottom of the intersection of the two blanking grooves 065 is communicated with the blanking pipe 066; the two blanking chutes 065 are respectively arranged below the two hoppers 064, when the hopper 064 is at a lower limit position, small balls in the hopper 064 roll out of the blanking chute 082 and fall into the blanking chute 065, the small balls move into the blanking pipe 066 along the blanking chute 065, and a guide-out groove 067 is arranged below the blanking pipe 066; the reversing wheel 063 is coaxially connected with a main chain wheel 068, two sides of the main chain wheel 068 are respectively provided with an auxiliary chain wheel 0681, the main sprocket 068 and the auxiliary sprocket 0681 are connected by a chain (the chain is not shown in order to clearly show the overall structure of the display sub-section 06), a display board 0683 is respectively arranged on both sides of each auxiliary sprocket 0681, a connecting beam 0682 is arranged between the two display boards 0683, the upper part of the display board 0683 is respectively connected with the end part of a connecting beam 0682 in a rotating way, the middle part of the connecting beam 0682 is fixedly connected with the chain wheel, so that, when the sub sprocket 0681 rotates, the connecting beam 0682 rotates in synchronization with the sub sprocket 0681, and the secondary sprocket 0681 rotates 180 ° for every swing of the reversing pole 0631, so that the display boards 0683 at both ends of the connecting beam 0682 are centered under the connecting beam 0682, therefore, the plurality of display boards 0683 are arranged upside down, and the posture of the display board 0683 itself is not changed.

The movable participation unit is further divided into a manipulator subsection 07 which comprises a base 071, a large arm 072 and a small arm 073, wherein the base 071 is in a circular table shape, a turntable 0711 is horizontally arranged above the base 071, a support arm 0712 vertically extends upwards from the center of the turntable 0711, the top end of the support arm 0712 is hinged with one end of the large arm 072, the other end of the large arm 072 is hinged with one end of the small arm 073, and the other end of the small arm 073 is provided with a clamping jaw 074; an operating rod 0721 is arranged in the middle of the large arm 072, the operating rod 0721 is parallel to the small arm 073, a control part 075 capable of controlling the closing of the clamping jaw 074 is arranged at one end of the operating rod 0721, the middle of the operating rod 0721 is hinged to the large arm 072, one end of the small arm 073 hinged to the large arm 072 extends upwards and is provided with a third hinge shaft 0731, one end of the operating rod 0721, which is far away from the control part 075, extends upwards and is provided with a fourth hinge shaft 07211, the small arm 073 is connected with the operating rod 0721 through a seventh linkage rod 0732, and two ends of the seventh linkage rod 0732 are respectively and rotatably connected with the third hinge shaft 0731 and the fourth hinge shaft 07211, so that the seventh linkage rod 0732, the large arm 072, the small arm 073 and the operating rod 0721 are combined into a parallelogram, and the moving posture of the small arm 073 is the same as the moving posture of the operating rod 0721; one end of the big arm 072, which is hinged with the supporting arm 0712, extends in the direction away from the small arm 073, and a balancing weight 076 is fixedly arranged on the big arm 072 and the small arm 073 and is used for balancing the weight of the big arm 072 and the small arm 073, so that an operator can control the big arm 072 and the small arm 073; the clamping jaws 074 comprise a first clamping jaw 074 group and a second clamping jaw 074 group, a first fixing block 0743 is fixedly arranged at the end of the small arm 073, a positioning slide hole 07431 is formed in the middle of the first fixing block 0743, a sliding block 0744 penetrates through the positioning slide hole 07431 and can move along the length direction of the positioning slide hole 07431, one end of the sliding block 0744 extends upwards to form a first hanging column 07441, a second hanging column 07432 is arranged at the top of the first fixing block 0743, a jaw group fixing plate 0745 is arranged at the other end of the sliding block 0744, the first clamping jaw 074 group and the second clamping jaw 074 group are respectively arranged above and below the jaw group fixing plate 0745, the first clamping jaw 074 group and the second clamping jaw 074 group respectively comprise a first jaw foot 07421 and a second jaw foot 07422 which are arranged oppositely, one ends of the first jaw 074 and the second jaw foot 07422 close to the small arm 073 are rotatably connected with the jaw group fixing plate 0745, the middle of the first clamping jaw foot 07422 and the second clamping jaw 074 group are connected with a first jaw fixing plate 0746, when the sliding block 0744 moves in the positioning sliding hole 07431, the outer end of the connecting bar 0746 is driven to expand outwards or contract inwards, so that the two claw feet synchronously move outwards or inwards to close or open, and a seventh tension spring 0748 is connected between the first hanging column 07441 and the second hanging column 07432, so that when the sliding block 0744 is free from external force, the sliding block 0744 moves outwards under the tension of the seventh tension spring 0748, so that the two opposite first claw foot 07421 and the second claw foot 07422 are opened; a supporting claw 0747 is fixedly arranged below the claw group fixing plate 0745, the supporting claw 0747 is specifically arranged right below the position between the first claw foot 07421 and the second claw foot 07422, and the first clamping claw 074 group, the second clamping claw 074 group and the supporting claw 0747 are matched so that the clamping claws 074 can firmly grasp the small ball and prevent the small ball from falling off from the clamping claws 074; the control part 075 comprises a fixed holding rod 0751 and a moving holding rod 0752, one end of the fixed holding rod 0751 is fixedly arranged on the operating rod 0721, the other end of the fixed holding rod 0751 is fixedly provided with a limiting fork 0753, the bottom end of the operating rod 0721 is fixedly provided with a second fixing block 0754, one end of the moving holding rod 0752 is hinged to the second fixing block 0754, the other end of the moving holding rod 0752 is arranged in the limiting fork 0753, one end of the moving holding rod 0752, which is close to the hinged position, is provided with a wiring block 07521, wire passing spaces 077 are respectively arranged in the large arm 072, the small arm 073 and the operating rod 0721, a seventh hauling rope 078 is arranged in the wire passing part, one end of the seventh hauling rope 078 is connected with the wiring block 07521, and the other end of the seventh; the seventh handle 0722 is fixedly arranged on the big arm 072, and during operation, when an operator holds the moving holding part, the moving holding part is close to the fixed holding part, the wiring block 07521 pulls the seventh pull rope 078, the sliding block 0744 of the clamping jaw 074 moves towards the small arm 073, the clamping jaw 074 is closed, and a small ball can be clamped, at the moment, the operation rod 0721 can be controlled by the hand of the operator holding control part 075 to move, so that the small arm 073 is lifted, the big arm 072 can be controlled by the other hand of the operator to lift or rotate by virtue of the turntable 0711, and the small ball is moved to a preset position. A seventh sheath 0781 is sleeved outside the seventh hauling rope 078, the seventh sheath 0781 is fixedly arranged on the side wall of the thread passing space 077, and the seventh hauling rope 078 can move in the seventh sheath 0781; the rear portion of the big arm 072 is also hinged with a stabilizer bar 0723, a fifth hinge shaft 0724 is arranged at the top end of the stabilizer bar 0723, the fifth hinge shaft 0724 is connected with the fourth hinge shaft 07211 through an eighth linkage rod 0890725, two ends of the eighth linkage rod 0890725 are respectively rotatably connected with the fourth hinge shaft 07211 and the fifth hinge shaft 0724, the mechanical arm subsection 07 can clamp out the small balls in the guide-out groove 067 by using the clamping jaw 074 under the control of an operator, and place the small balls into a preset slideway, so that the small balls enter the next activity participation unit.

The movable participation unit is further divided into a third lifting branch 08, the third lifting branch 08 comprises a lifting column 081 capable of moving along the vertical direction, a plurality of lifting holes 0811 are obliquely formed in the lifting column 081, the lifting holes 0811 penetrate through two sides of the lifting column 081, an included angle is formed between the lifting holes 0811 and the horizontal plane, the axial center of two adjacent lifting holes 0811 forms a V shape, a plurality of material placing grooves 082 are respectively arranged on two sides of the lifting column 081, the small ball moves from the slideway to the lowest material placing groove 082, one end of the material placing groove 082 far away from the lifting column 081 is closed, the other end of the material placing groove 082 can be communicated with the lifting holes 0811, hinge columns 083 are arranged on two sides of each material placing groove 082, the middle part of each material placing groove 082 is hinged with the two columns, a pressing block 084 is arranged above the higher end of each lifting hole 0811, one side of each material placing groove 082 extends outwards to form a pressing rod 1, when the lifting column moves downwards, the pressing block 084 can abut against the pressing rod 0821, and as the lifting column 081 continues to descend, the pressing block 084 drives the pressing rod 0821 to move downwards, so that the open end of the material placing groove 082 rotates downwards until the axis of the material placing groove 082 is collinear with the axis of the lifting hole 0811, so that the small balls in the material placing groove 082 roll into the lifting hole 0811, a stop rod 085 is arranged at the lower end of each lifting hole 0811, when the stop rod 085 is free from the action of external force, the stop rod 085 can block the lower end of the lifting hole 0811, so that the small balls are retained in the lifting hole 0811, the lifting hole 0811 is provided with the stop rod 085, the middle of the stop rod 085 is rotatably connected with the side wall of the lifting column 081, one end of the stop rod 085 is arranged at the end of the lifting hole 0811, the other end of the stop rod 085 extends outwards, the hinge column 083 extends out of a lifting column 086 towards the line of the lifting column 081, and when the lifting column 081 moves upwards, the lifting rod 086 can press the outer end of the lifting column 086 downwards, the lower end of the lifting hole 0811 is opened, and the lifting rod column 086 is placed on one side of the material placing groove 082, so that when the lifting hole 0811 is opened, the lifting hole 0811 can be communicated with the material placing groove 082 corresponding to the lifting hole 0811, and small balls in the lifting hole 0811 move into the material placing groove 082; a vertical rail 087 is arranged behind the lifting column 081 in the vertical direction, the lifting column 081 is slidably connected with the vertical rail 087 through a guide block 0871, specifically, the guide block 0871 is sleeved on the vertical rail 087, an eighth linkage wheel 088 is arranged on one side of the guide block 0871, an eighth linkage shaft 0881 is eccentrically arranged on the eighth linkage wheel 088, the eighth linkage shaft 0881 is connected with the sliding block 0744 through another eighth linkage rod 0890725, one end of the eighth linkage rod 0890725, which is close to the sliding block 0744, is provided with a long circular hole 0891, the sliding block 0744 extends outwards to form a pin 0872, the pin 0872 is inserted into the long circular hole 0891, the middle part of the eighth linkage rod 0890725 is rotatably connected with a frame body (not shown in the figure), the eighth linkage wheel 088 is coaxially and fixedly connected with an eighth linkage wheel 0882, an operator drives the eighth linkage wheel 088 to rotate through rotating the eighth linkage shaft 0882, and drives the lifting column 081 to move along the vertical direction through the eighth linkage shaft 0881 and the hand wheel 0890725, driving a pressing block 084 to press a pressing rod 0821 downwards, so that one end of an opening of a material placing groove 082 rotates downwards, a small ball in the material placing groove 082 moves outwards to a corresponding lifting hole 0811, then a lifting column 081 moves upwards, the lifting column 081 moves upwards until a lifting rod 086 presses the outer end of a stop lever 085, the other end of the stop lever 085 is lifted upwards, the end part of the lifting hole 0811 is opened, the lower end of the lifting hole 0811 is opened, the small ball in the lifting hole 0811 rolls away from the lifting hole 0811 and is placed in the material placing groove 082, so that the small ball moves alternately between the material placing groove 082 and the lifting hole 0811, and is lifted upwards by the lifting hole 0811 until the small ball is placed in the uppermost lifting hole 0811, enters a slide way along the lifting hole 0811 and moves to a next movable participation unit along the slide way;

the activity participation unit is further divided into a balance linkage subsection 09 which comprises a pedal 091 and a movable platform 092, when the posture of the pedal 091 changes, the posture of the movable platform 092 changes synchronously with the pedal 091, and the small ball falls on the center of the movable platform 092 along the slideway; the foldable pedal device further comprises a support plate 094 and a hinge frame 0911, wherein one end of the support plate 094 is provided with a receiving hole 0912, the hinge frame 0911 is arranged in the receiving hole 0912, the pedal plates 091 are arranged in the hinge frame 0911, the receiving hole 0912 is rotatably connected with the hinge frame 0911 through two first balance rotating shafts 0913 which are oppositely arranged, the hinge frame 0911 is rotatably connected with the support plate 094 through two second balance rotating shafts 0914 which are oppositely arranged, the axle center of the first balance rotating shaft 0913 is vertical to the axle center of the second balance rotating shaft 0914, the intersection point of the axle center of the first balance rotating shaft 0913 and the axle center of the second balance rotating shaft 0914 is arranged at the center of the pedal plates 091, when an operator steps on the pedal plates 091, the pedal plates 091 can incline along with the change of the gravity center of a human body, a bottom plate 095 is arranged below the support plate 094, the four corners of the pedal plates 091 respectively extend downwards to form first limit columns 0943, the bottom plate 095 is provided with first limit sleeves corresponding to the, a first abutting spring 0944 is arranged in each first limiting sleeve 0943, one end of each first abutting spring 0944 is sleeved on the first limiting column 0942 and abuts against the lower surface of the supporting plate 094, the other end of each first abutting spring 0944 abuts against the upper surface of the bottom plate 095, and when the supporting plate 094 is in a natural state, the first abutting springs 0944 restore the supporting plate 094 to a horizontal state; the other end of the supporting plate 094 extends upwards to form a supporting platform 093, the movable platform 092 is disposed above the supporting platform 093, the supporting platform 093 is connected to the movable platform 092 through a universal unit 0921, the universal unit 0921 includes a universal block 09211, two first hinge portions 092111 and two second hinge portions 092112 are disposed at edges of the universal block 09211, the first hinge portions 092111 and the second hinge portions 092112 are disposed opposite to each other, two first hinge plates 09212 parallel to each other extend upwards vertically from an upper end surface of the supporting platform 093, the two first hinge plates 09212 are hinged to the two first hinge portions 092111, respectively, a universal plate 09214 is fixedly disposed on a lower surface of the movable platform 092, two second hinge plates 09213 parallel to each other extend downwards from the universal plate 09214, the two second hinge plates 09213 are hinged to the two second hinge portions 092112, respectively, and a plane of the first hinge plates 09212 is perpendicular to a plane of the second hinge plates 09213, the corners of the upper end surface of the supporting platform 093 are respectively provided with a second limiting sleeve 0933, the lower surface of the universal plate 09214 extends downward to form a second limiting post 0932 corresponding to the second limiting sleeve 0933, each second limiting sleeve 0933 is internally provided with a second abutting spring 0934, one end of each second abutting spring 0934 abuts against the upper end surface of the supporting platform 093, the other end of each second abutting spring 0932 is sleeved on the second limiting post 0932 and abuts against the lower surface of the movable plate, and when the movable platform 0922 is in a natural state, the second abutting spring 093434 restores the movable platform 092 to a horizontal state; a linkage column 0915 extends downwards from the center of the pedal 091, at least three first linkage sheets 0916 are fixedly arranged on the peripheral side of the linkage column 0915, at least three second linkage sheets 09215 are fixedly arranged on the peripheral side edge of the universal plate 09214, the second linkage sheets 09215 are equal in number and correspond to the first linkage sheets 0916 one by one, the corresponding first linkage sheets 0916 are connected with the corresponding second linkage sheets 09215 through ninth traction ropes 096, in particular, a wire passing cavity 0931 is arranged in the support platform 093, a plurality of wire passing holes 0951 are respectively arranged on the upper end faces of the support plate 094, the bottom plate 095 and the support platform 093 below the pedal 091 and the movable platform 092, each ninth traction rope 096 passes through the plurality of wire passing holes 0951, and two ends of each ninth traction rope 096 are respectively connected with the first linkage sheets 0916 and the second linkage sheets 09215, in particular, a ninth sheath 0961 is wrapped around the ninth traction rope 096, the ninth traction rope 096 can move axially in the ninth jacket 0961, two ends of the ninth jacket 0961 are respectively provided with a top abutting head 0962, the bottom plate 095 below the pedal 091 is provided with a top abutting plate 0941, the top abutting head 0962 at one end of the ninth jacket 0961 abuts against the plate surface of the top abutting plate 0941, one end of the ninth traction rope 096 passes through the top abutting plate 094141 to be fixedly connected with the first linkage piece 0916, the top abutting head 0962 at the other end of the ninth jacket 0961 abuts against the top of the wire passing cavity 0931, and the other end of the ninth traction rope 096 passes through the top of the wire passing cavity 0931 to be fixedly connected with the second linkage piece 09215; in operation, when the pedal 091 is not stressed, the pedal 091 and the movable plate are both in a horizontal state, when an operator steps on the pedal 091, the pedal 091 moves along with the feet along with the front, back, left and right inclination of the feet to drive the first linkage piece 0916 below the pedal 091 to move, the ninth traction rope 096 fixedly connected with the first linkage piece 0916 drives the second linkage piece 09215 and the movable platform 092 fixedly connected with the second linkage piece 09215 to move, so that the movable platform 092 and the pedal 091 move synchronously, and the operator can control the movable platform 092; the movable platform 092 upper surface is equipped with the maze, and the edge of movable platform 092 is arranged in to maze export 097, and the maze center is arranged in to globular object at the initial time, through operator control movable platform 092 for globular object walks out the maze and arrives maze export 097, the maze below is equipped with the slide that leads to next activity participation unit to increase the operational interest and the operability of platform, arouse student's interest, make the student can participate in the study activity as the operator, study linkage structure knowledge, improve learning efficiency.

The activity participation unit further comprises a lever motion branch 10 which comprises a lever groove 101, wherein two ends of the lever groove 101 can move in the vertical direction, the middle part of the lever groove 101 is rotatably connected with a frame body (not shown in the figure), when a feed inlet 1011 is formed in the side wall of one end of the lever groove 101, when the feed inlet 1011 moves to the lower limit position, the feed inlet 1011 can be communicated with a slide way, small balls on the slide way can enter the lever groove 101 through the feed inlet 1011 and move towards the other end of the lever groove 101 along the length direction of the lever groove 101 along with the rotation of the lever groove 101, the other end of the lever groove 101 is provided with a check plate 102, one end part of the check plate 102 is arranged at the top of the side wall of the lever groove 101 and is rotatably connected with the side walls at two sides of the lever groove 101, the other end is arranged at one side far away from the feed inlet 1011, and the length of the check, when the lever groove 101 rotates around the center until one end of the feed port 1011 is at the upper limit position, the small ball moves to one end of the non-return door, the non-return door is opened under the action of the gravity of the small balls, so that the small balls move to the end part of the lever groove 101, meanwhile, the non-return door is closed under the action of self gravity, when one end of the feed inlet 1011 moves upwards, the small balls move to the check plate 102, the check plate 102 is provided with a guide strip 103 on one side plate far away from the feed inlet 1011, so that the small balls can roll aside along the guide strip 103, one side of the lever groove 101 is provided with a slideway communicated with the next movable participating unit, the small ball can move into the slideway along the guide strip 103, one side of the middle of the lever groove 101 is provided with a second hinge lug 104, a tenth handwheel 106 is arranged below the second hinge lug 104, and a tenth linkage column 107 is eccentrically and fixedly arranged on the prefecture handwheel. The tenth linkage column 107 is connected with the second hinge lug 104 through a tenth linkage rod 105, and two ends of the tenth linkage rod 105 are respectively connected with the second hinge lug 104 and the tenth linkage column 107 in a rotating manner.

The teaching aid further comprises a material storage platform, wherein small balls can move to the material storage platform along a slide way, the activity participation unit is further divided into a resetting tower crane subsection 11 which comprises a tower body 111 and a suspension arm 112, a control unit 113 is arranged at the lower part of the tower body 111, two parallel slide rails 1121 are arranged at the bottom of the suspension arm 112 along the length direction, a walking unit 114 capable of moving along the length direction of the suspension arm 112 is arranged on each slide rail 1121, each walking unit 114 comprises a plurality of rollers 1141, the rollers 1141 are respectively arranged on the corresponding slide rails 1121, each roller 1141 is rotatably connected with the end part of a suspension rod 1142, the bottom end of the suspension rod 1142 is connected with a hanger 1143, a plurality of tower crane guide wheels 11432 are rotatably connected in the hanger 1143, an eleventh hook 1144 is arranged below the hanger 1143, a tower crane guide wheel 11432 capable of synchronously moving with the eleventh hook 1144 is fixedly arranged above the hanger, and the eleventh hook 1144 can synchronously move in the horizontal direction with the, and the eleventh hook 1144 can move in a vertical direction; the suspension arm 112 is arranged at the top end of the tower body 111, a supporting pipe 1111 is vertically arranged in the tower body 111, the supporting tube 1111 is fixed inside the tower body 111 by a plurality of connectors (for clarity of the drawing, the connectors are shown in the drawing), a rotating pipe 1112 is coaxially arranged in the supporting pipe 1111, a rotating platform 1113 is horizontally arranged at the top end of the rotating pipe 1112, a linkage gear 1114 is horizontally arranged at the bottom end, the control unit 113 comprises a boom control portion 075, the boom control portion 075 comprising a first steering wheel 11311, the steering hand wheel 11311 is coaxially connected to a driving gear 11312, the suspension arm 112 is fixedly mounted on the turntable 1113, when the operator manually controls the steering wheel 11311 to rotate, the driving gear 11312 can drive the linkage gear 1114 to rotate, the rotating table 1113 drives the suspension arm 112 to rotate around the rotating pipe 1112, and specifically, the upper end surface of the support pipe 1111 abuts against the lower surface of the rotating table 1113; the control unit 113 further includes a hanger control part 1132075, the hanger control part 1132075 includes a positioning hand wheel 11321 and a wire winding roller 11322 disposed coaxially with the positioning hand wheel 11321, wire connection parts 11431 are respectively disposed at two ends of the hanger 1143 along the length direction of the suspension arm 112, a hanger 1143 tower crane guide wheel 11432 is disposed at the end of the suspension arm 112 near one end of the track, a rope 11323 is wound on the wire winding roller 11322, and both ends of the rope 11323 pass through the inside of the rotating pipe 1112 and upward pass through a plurality of tower crane guide wheels 11432, so that the rope 11323 bypasses the tower crane guide wheel 11432 at the end of the suspension arm 112 and is fixedly connected with one of the wire connection parts 11431 of the hanger 1143, the other end of the rope 11323 passes through the rotating pipe 1112 and is fixedly connected with the other wire connection part 11431 of the hanger 1143, when the positioning hand wheel 11321 is rotated by an operator, the wire winding roller 11322 drives the rope 11323 to move the rope 11323, so that, driving the hanging bracket 1143 to move on the sliding rail 1121; the control unit 113 further includes a hook control part 1133075, which includes a wire control hand wheel 11331, a second wire take-up wheel 11332, a ratchet 11333 and a pawl 11334, the wire control hand wheel 11331 is coaxially connected with a screw 11335, the second wire take-up wheel 11332 is screwed with the screw 11335, the ratchet 11333 is coaxially sleeved at one end of the screw 11335, one end of the wire take-up roller abuts against a wheel piece of the ratchet 11333, the pawl 11334 is matched with the ratchet 11333, so that the ratchet 11333 can only rotate around the screw 11335 in one direction, an eleventh traction rope 11336 is wound on the second wire take-up wheel 11332, one end of the tower crane provided with a slide rail 1121 is fixedly provided with a wire fixing part 1122, the outer end of the eleventh traction rope 11336 sequentially passes through a hanger 1143 and a tower crane guide wheel 11432 on an eleventh hook 1144 and is fixedly connected with the wire fixing part 1122, and the wire winding way of the eleventh traction rope 11336 and tower crane 11432 on the hanger 1143 and the eleventh hook 1144 is the same as the winding way of the existing, the description is omitted, the eleventh hook 1144 is affected by gravity and a loaded weight, so that the eleventh pulling rope 11336 is pulled downward, and in a natural state, the eleventh pulling rope 11336 is pulled by the eleventh hook 1144, the eleventh pulling rope 11336 drives the second wire winding wheel 11332 to rotate, so that the end of the second wire winding wheel 11332 always abuts against a wheel disc of the ratchet 11333 to drive the ratchet 11333 to generate a rotation trend, and at this time, the pawl 11334 is clamped into the ratchet 11333 to prevent the ratchet 11333 from rotating, so as to prevent the second wire winding wheel 11332 from unwinding; when the wire control hand wheel 11331 is rotated in the pulling force direction provided by the second wire winding wheel 11332, so that the screw 11335 rotates, the second wire winding wheel 11332 rotates synchronously with the wire control hand wheel 11331 under the pulling force of the screw 11335 and the eleventh pulling rope 11336, the ratchet 11333 is clamped by the pawl 11334, the direction operation is completed, and the eleventh hook 1144 is made to fall down; when the wire control hand wheel 11331 rotates along the pulling force of the eleventh pulling rope 11336 in the opposite direction, the second wire winding wheel 11332 is pulled by the screw 11335 and the pulling force of the eleventh pulling rope 11336 to generate a movement trend toward the ratchet 11333, the pressure between the end and the ratchet 11333 is increased, and the third hand wheel is continuously rotated, so that the second wire winding wheel 11332 drives the ratchet 11333 and the wire control hand wheel 11331 to synchronously rotate, and the wire winding operation is completed; specifically, in the present embodiment, the screw 11335 is provided with a left-handed thread, and the teeth of the ratchet 11333 face in a direction such that when the ratchet 11333 rotates clockwise, the ratchet 11333 is caught by the pawl 11334, and when the screw 11335 rotates clockwise, the second winding wheel 11332 moves synchronously with the screw 11335, and the ratchet 11333 is caught by the pawl 11334; when the screw 11335 moves counterclockwise, the second take-up pulley 11332, the screw 11335 and the ratchet 11333 all move synchronously; the control unit 113 further comprises two support bars 1134 arranged in parallel, the winding roll 11322 and the second winding wheel 11332 are both arranged between the two support bars 1134, the support bars 1134 are provided with hinge blocks 1135, the pawl 11334 is hinged to the hinge blocks 1135, and an eleventh tension spring 1136 is arranged between the hinge blocks 1135 and the middle part of the pawl 11334; the turntable 111313 and the linkage gear 111414 are both provided with eleventh through holes for the eleventh traction rope 11336 or the rope 11323 to pass through; in the attached drawings, in order to clearly show the tower crane structure, part of the tower crane guide wheels 11432 are not shown, a through hole is formed in the material storage platform (which is a plane arranged on one side of the lever groove and is not shown in the drawings), a barrel body (not shown in the drawings) is hung on the eleventh hook 1144, an operator controls the barrel body to enter the through hole through the reset tower crane subsection 11, so that the pellets roll into the barrel body, and then the reset tower crane subsection 11 is used for sending the pellets to the pellet receiving part of the starting subsection 01;

the small ball receiving part is a receiving platform (the receiving platform is a plane arranged above the switch control part, not shown in the figure), and the receiving platform conveys small balls to the material storage tank 011 of the switch control part 075 through a slide way.

Application mechanical principle's teaching aid, through the control of operator to each hand wheel for the bobble moves between a plurality of activities participation unit, the bobble through the motion attracts student's attention, so that the student observes the bobble through the part of bobble in operation process and passes through the gravity of bobble and the bobble motion change that each part linkage structure caused, arouses student's interest, make students study and observe the mechanical motion principle in the amusement, in order to can raise the efficiency in study life.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an application theory of mechanics's teaching aid which characterized in that: comprises that

A display sub-part (06) comprising a material guiding groove (061), a reversing wheel (063) arranged below the material guiding groove (061), a reversing rod (062) extends downwards from the middle of the material guide groove (061), a reversing column (0631) extends from the edge of the wheel surface of the reversing wheel (063), the bottom end of the reversing rod (062) is provided with a long notch (0621), the reversing column (0631) is arranged in the long notch (0621), the reversing column (0631) can rotate around the middle part of the reversing column, two sides of the reversing wheel (063) are respectively provided with a material placing hopper (064), the two material placing hoppers (064) are connected through a reversing beam (0641), the middle part of the reversing beam (0641) is fixedly connected with the center of a reversing wheel (063), a material placing hopper (064) is arranged below the reversing wheel (063), when one of the material placing hoppers (064) moves to be placed at the upper limit position, one end of the material guide groove (061) is placed right above the material placing hopper (064);

the reversing wheel (063) is coaxially connected with a main chain wheel (068), two sides of the main chain wheel (068) are respectively provided with an auxiliary chain wheel (0681), the main chain wheel (068) is connected with the auxiliary chain wheel (0681) through a chain, two sides of each auxiliary chain wheel (0681) are respectively provided with a display board (0683), and a connecting beam (0682) is arranged between the two display boards (0683);

two blanking grooves (065) are arranged on two sides of the lower portion of the reversing wheel (063), the end portions of the two blanking grooves (065) are communicated, an included angle is reserved between the length direction of each blanking groove (065) and the horizontal plane, and when the material placing hopper (064) is placed at the lower limit position, the material placing hopper (064) is placed above one of the blanking grooves (065).

2. The teaching aid using mechanical principle as claimed in claim 1, wherein: still include originated subsection (01), its stock chest (011) and blowing groove (013) including the slope setting, just stock chest (011) and blowing groove (013) can communicate each other, blowing groove (013) are close to stock chest (011) one end top and have set firmly a baffle (012), blowing groove (013) middle part is equipped with articulated ear (0132), when blowing groove (013) rotate around articulated ear (0132), stock chest (011) can be blocked up to baffle (012).

3. The teaching aid using mechanical principle as claimed in claim 1, wherein: further comprising a first hoisting unit (02) comprising a column (021) and a first (022) and a second (023) set of hoisting slots placed on both sides of the column (021), the top end and the lower end of the upright post (021) are respectively provided with an adjusting rod (029), the middle part of the adjusting rod (029) is rotationally connected with the upright post (021), two ends of the adjusting rod (029) are respectively provided with a connecting rod (0222), and two ends of the two connecting rods (0222) are respectively hinged with two ends of the two adjusting rods (029), the first lifting groove set (022) and the second lifting groove set (023) each comprise a plurality of lifting grooves (0221), a middle portion of each of the lifting grooves (0221) is rotatably connected with the connecting rod (0222), and the ends of the lifting grooves (0221) of the first lifting groove group (022) and the second lifting groove group (023) close to the columns (021) can overlap each other.

4. The teaching aid using mechanical principle as claimed in claim 1, wherein: the billiard ball type billiard ball game machine is characterized by further comprising a billiard ball branch part (03) which comprises a table top (031) which is obliquely arranged, a ball serving mechanism (033) is arranged on the table top (031), two guide walls (034) are arranged on the table top (031), the two guide walls (034) form a bell mouth shape with an upward opening, two deflector rods (035) which are arranged in a mirror image mode are further arranged above the table top (031), the two deflector rods (035) can be located in the same straight line with the length defense lines of the two guide walls (034) respectively, a third rotating shaft (0351) extends downwards from one end, close to the guide walls (034), of each deflector rod (035), and the third rotating shaft (0351) penetrates through the table top (031) to enable the deflector rods (035) to rotate around the third rotating shaft (0351);

serving organ (033) includes launching groove (0331), be equipped with one along its length direction in launching groove (0331) and launch push rod (0332), launch push rod (0332) the inner and be equipped with a push pedal (0333), the cover is equipped with a pressure spring (0334) on the launch push rod, pressure spring (0334) one end is supported and is pushed up on push pedal (0333), and the other end supports and pushes up on the cell wall of launching groove (0331).

5. The teaching aid using mechanical principle as claimed in claim 1, wherein: still include second promotion subsection (04), it includes fixed walking ladder (046) and motion walking ladder (047), the top of fixed walking ladder (046) and motion walking ladder (047) is articulated each other, and the bottom below of motion walking ladder (047) is equipped with a support column (042), support column (042) bottom below is equipped with a cam (043).

6. The teaching aid using mechanical principle as claimed in claim 1, wherein: still include transportation subsection (05), it includes fixed supporting platform (051), fixed supporting platform (051) is including accepting groove (0511) and arranging in it accept board (0512), accept board (0512) middle part with the lateral wall of accepting groove (0511) rotates and connects, it is equipped with a guide rail (052) to accept groove (0511) one end, be equipped with a dolly (053) on the track, dolly (053) include chassis (0531) and arrange car hopper (0532) of chassis (0531) top in, the one end of accepting groove (0511) is kept away from to car hopper (0532) bottom with chassis (0531) are articulated, guide rail (052) are kept away from fixed supporting platform (051) one end and are set firmly one and are blockked piece (0521).

7. The teaching aid using mechanical principle as claimed in claim 1, wherein: the manipulator is characterized by further comprising a manipulator part (07) which comprises a large arm (072) and a small arm (073) which are hinged to each other, wherein clamping jaws (074) are arranged at one end, far away from the large arm (072), of the small arm (073), the clamping jaws (074) comprise a first clamping jaw (074) group and a second clamping jaw (074) group, a clamping jaw fixing plate (0745) is arranged between the first clamping jaw (074) group and the second clamping jaw (074) group, supporting jaws (0747) are fixedly arranged below the clamping jaw fixing plate (0745), the first clamping jaw (074) group and the second clamping jaw (074) group respectively comprise a first clamping jaw foot (07421) and a second clamping jaw foot (07422) which can be opened or closed, and the supporting jaws (0747) are arranged below the space between the first clamping jaw foot (07421) and the second clamping jaw foot (07422);

the big arm (072) is hinged with an operating rod (0721) parallel to the small arm (073).

8. The teaching aid using mechanical principle as claimed in claim 1, wherein: the balance linkage part (09) comprises a pedal plate (091) which can incline towards a plurality of directions around the center, a linkage column (0915) extends downwards from the center of the pedal plate (091), and a plurality of first linkage sheets (0916) are arranged on the periphery of the linkage column (0915); a supporting platform (093) is arranged below the movable platform (092), the supporting platform (093) is connected with the movable platform (092) through a universal unit (0921), a universal plate (09214) is fixedly arranged on the lower surface of the movable platform (092), and a plurality of second linkage pieces (09215) corresponding to the first linkage pieces (0916) extend downwards from the bottom of the universal plate (09214); a rope (11323) having one end connected to the first link plate (0916) and the other end connected to the second link plate (09215); and when the pedal plate (091) tilts, the movable plate and the pedal plate (091) tilt synchronously.

9. The teaching aid using mechanical principle as claimed in claim 1, wherein: still include lever motion subsection (10), it includes lever groove (101), lever groove (101) can rotate around self middle part, lever groove (101) one end is opened there is feed inlet (1011), and the other end is equipped with non return board (102), and non return board (102) tip is arranged in lever groove (101) lateral wall top, and with the both sides lateral wall rotation of lever groove (101) is connected.

10. The teaching aid using mechanical principle as claimed in claim 1, wherein: the tower crane further comprises a tower crane subsection resetting (11) which comprises a tower body (111), a control unit (113) is arranged on the lower portion of the tower body (111), the control unit (113) comprises a third hand wheel, a screw rod (11335) is coaxially and fixedly connected to the third hand wheel, a wire receiving roller is screwed on the screw rod (11335), a ratchet wheel (11333) capable of rotating along a single direction is sleeved at the end portion of the screw rod (11335), one end of the wire receiving roller is tightly abutted to a wheel piece of the ratchet wheel (11333), and an eleventh traction rope (11336) is wound on the wire receiving roller;

when the screw rod (11335) rotates along the direction of retracting the eleventh traction rope (11336), the ratchet wheel (11333) moves synchronously with the screw rod (11335).

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