CN207115817U

CN207115817U - A kind of dynamics experimental device

Info

Publication number: CN207115817U
Application number: CN201720747570.6U
Authority: CN
Inventors: 宋彦磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-26
Filing date: 2017-06-26
Publication date: 2018-03-16
Anticipated expiration: 2027-06-26

Abstract

The utility model discloses a kind of dynamics experimental device, including bottom plate, the riser being fixed at the top of bottom plate, the top face outer wall of riser is connected with a folded sheet by hinge, the back side of riser is fixed with upper mounting plate and lower installation board successively from top to bottom, fixed pulley is installed on upper mounting plate, dynamometer is installed on lower installation board, the front outer wall of folded sheet is placed with counterweight, the connecting rope that dynamometer is connected with around fixed pulley and is connected with counterweight, the bottom of folded sheet is fixed with a hinged block, hinged block is hinged with a raising plate, the automatic jacking device being connected with raising plate is fixed with the top of bottom plate.Its advantage is：It is easy to use, automaticity is high.

Description

A kind of dynamics experimental device

Technical field

It the utility model is related to a kind of dynamics experimental device.

Background technology

Chinese patent 201620243425.X once disclosed a kind of physical and mechanical experiment device, and the utility model includes bottom Seat, the lower surface surrounding of the base are evenly distributed with four rolling；The upper center of the base is vertically arranged with installing plate； Two middle side parts of the base are provided with screwed hole；Described two screwed holes are symmetrical on installing plate；The top of the installing plate Inclined-plane is provided with by rotating shaft；The side center bottom of the installing plate is hinged with expansion link；The top of the expansion link with tiltedly The center bottom in face is hinged；The utility model is using the stable adjustable inclined surface apparatus angle of expansion link and adjusting knob, and sliding block is by leading Messenger is connected to A springs around fixed pulley, and the deformation length of A springs is read from graduation mark, obtains the pull rope that sliding block is subject to and draws Power, the top of Weight box are connected to B springs, and the deformation length of B springs is read from graduation mark, obtains the pulling force that Weight box is subject to, Presentation process is directly perceived, improves efficiency of teaching.But the angle of inclination on the inclined-plane in utility model regulation inconvenience.

Utility model content

Problem to be solved in the utility model is to provide a kind of dynamics experimental device easy to use, automaticity is high.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：A kind of dynamics experimental device, including Bottom plate, the riser being fixed at the top of the bottom plate, the top face outer wall of the riser are connected with a folded sheet, institute by hinge The back side for stating riser is fixed with upper mounting plate and lower installation board successively from top to bottom, and fixed pulley is provided with the upper mounting plate, Dynamometer is installed on the lower installation board, the front outer wall of the folded sheet is placed with counterweight, the dynamometer be connected with around Cross the fixed pulley and the connecting rope being connected with the counterweight, it is characterised in that it is be hinged that the bottom of the folded sheet is fixed with one Block, the hinged block are hinged with a raising plate, and the automatic lifting dress being connected with the raising plate is fixed with the top of the bottom plate Put, mounting blocks that the automatic jacking device includes being fixed on the bottom plate, be fixed on it is vertical solid at the top of the mounting blocks Fixed tube, the vertical jacking post being connected with the raising plate, the outer wall of the vertical jacking post is provided with graduation mark, described vertical solid Left and right sides inwall of the fixed tube close to bottom is respectively fixed with a vertical rail, is movably set between two vertical rails One portable plate, the left and right sides outer wall of the portable plate are respectively fixed with a projection, and the projection is slided with corresponding vertical rail It is dynamic to connect, a stepper motor is installed on the portable plate, one is vertically fixed with the output shaft of the stepper motor Threaded post is driven, the inwall of the vertical fixing pipe is located at the transverse slat that is fixedly arranged above of the stepper motor, the driving spiral shell The top of line post is connected through a screw thread through the transverse slat and the driving threaded post with the transverse slat, the vertical jacking post Bottom is extended in the inner chamber of the vertical fixing pipe, and the bottom setting of the vertical jacking post is fluted, can in the groove Rotation is provided with a cylindrical pivot block, and the top of the driving threaded post is connected with the bottom of the cylindrical pivot block, institute The outer wall for stating vertical fixing pipe is fixed with hollow box, and PLC is provided with the hollow box, and the outer wall of the hollow box is provided with use In the button groups for controlling the stepper motor, the PLC is electrically connected with the button groups, stepper motor respectively.

Preferably, above-mentioned dynamics experimental device, wherein the bottom even of the bottom plate is provided with anti-slip tank.

Preferably, above-mentioned dynamics experimental device, wherein cover plate is fixed with the top of the vertical fixing pipe, it is described vertical Jacking post is slidably connected through the cover plate and with the cover plate.

Preferably, above-mentioned dynamics experimental device, wherein the inwall of the vertical fixing pipe is along the vertical fixing pipe Length direction is provided with least two locating slots, and the outer wall of the vertical jacking post is fixed with least two pieces of locating pieces, described fixed Position block is slidably connected with corresponding locating slot.

It is of the present utility model to have the technical effect that：Stepper motor can be controlled to rotate by button groups, and then band Dynamic driving threaded post rotates forward or reversion, because driving threaded post is connected through a screw thread with transverse slat so that drive threaded post along Transverse slat slides up and down, and then drives vertical jacking post to move up and down, and so as to which Foldable plate rotates adjustment angle of inclination, so sets Count easy to use, automaticity height.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is the upward view of Fig. 1 bottom plates；

Fig. 3 is the longitudinal sectional view of hollow box in Fig. 1；

Fig. 4 is the structural representation of automatic jacking device in Fig. 1；

Fig. 5 is the structural representation of vertical rail in Fig. 4；

Fig. 6 is the A-A of vertical fixing pipe in Fig. 4 to structural representation.

Embodiment

Below in conjunction with accompanying drawing, specific embodiment of the present utility model is further described, so that the utility model Technical scheme be more readily understood and grasp.

As shown in Fig. 1,2,3,4,5,6, a kind of dynamics experimental device, including bottom plate 1, the riser for being welded on the top of bottom plate 1 11, the frictional force for being provided with anti-slip tank 10, can increasing between ground of the bottom even of bottom plate 1.The top of riser 11 is just Face outer wall is connected with a folded sheet 12 by hinge, and the back side of riser 11 is welded with upper mounting plate 13 and lower peace successively from top to bottom Loading board 14, fixed pulley 15 is provided with by screw on upper mounting plate 13, dynamometer 16, folded sheet 12 are installed on lower installation board 14 Front outer wall be placed with counterweight 17, the connecting rope 18 that dynamometer 16 is connected with around fixed pulley 15 and is connected with counterweight 17.Folding Termination of the bottom of lamination 12 away from riser 11 is welded with a hinged block 19, and hinged block 19 is hinged with a raising plate 20, bottom plate 11 Top be fixed with the automatic jacking device 2 being connected with raising plate 20.Height of the student by riser 11, automatic jacking device 2 Height, the length of folded sheet 12 can calculate the angle of inclination of folded sheet 12；Then angle of inclination, the weight of counterweight 17 are passed through Amount, the registration of dynamometer 16 can calculate the frictional force between counterweight 17 and folded sheet 12.

Mounting blocks 21 that automatic jacking device 2 includes being fixed by screws on bottom plate 1, it is welded on the top of mounting blocks 21 Vertical fixing pipe 22, the vertical jacking post 23 welded with raising plate 20, the outer wall of vertical jacking post 23 are provided with graduation mark 200, User is facilitated to know the height of automatic jacking device 2.Vertical left and right sides inwall of the fixing pipe 22 close to bottom is respectively welded One vertical rail 24, a portable plate 25, the left and right sides outer wall point of portable plate 25 are movably set between two vertical rails 24 A projection 26 is not welded with, and projection 26 is slidably connected with corresponding vertical rail 24, and one is provided with by screw on portable plate 25 Stepper motor 27, a driving threaded post 28 is vertically fixed with the output shaft of stepper motor 27, vertical fixing pipe 22 The top that inwall is located at stepper motor 27 is welded with a transverse slat 29, and the top of driving threaded post 28 through transverse slat 29 and drives screw thread Post 28 is connected through a screw thread with transverse slat 29, and the bottom of vertical jacking post 23 is extended in the inner chamber of vertical fixing pipe 22, vertical top The bottom setting of setting prop 23 is fluted, and a cylindrical pivot block 30 is rotatably provided with groove, drives the top of threaded post 28 It is connected with the bottom of cylindrical pivot block 30, the outer wall of vertical fixing pipe 22 is fixed with hollow box 5 by screw, in hollow box 5 PLC51 is provided with by screw, the outer wall of hollow box 5 is provided with the button groups 52 for controlling stepper motor 27, PLC51 difference It is electrically connected with button groups 52, stepper motor 27.PLC51 model CPM1A-10CDR-A-V1, the model of stepper motor 27 For 28BYJ48.PLC51 is embedded in the driver of Driving Stepping Motor 27.

The top of vertical fixing pipe 22 in the utility model is welded with cover plate 61, and vertical jacking post 23 passes through cover plate 61 simultaneously It is slidably connected with cover plate 61, so design prevents the vertical double swerve of jacking post 23.

Length direction of the inwall of vertical fixing pipe 22 in the utility model along vertical fixing pipe 22, which is provided with two, to be determined Position groove 91, the outer wall of vertical jacking post 23 are fixed with two pieces of locating pieces 92, and locating piece 92 is slidably connected with corresponding locating slot 91, So it is more steady make it that vertical jacking post 23 moves up and down for design.

Certainly, it these are only preferred embodiment of the present utility model, it is non-therefore limit to patent of the present utility model Scope, all with the utility model specification and schema content institute, simply modification and equivalent structure change for it, all should similarly wrap It is contained within scope of patent protection of the present utility model.

Claims

1. a kind of dynamics experimental device, including bottom plate, the riser that is fixed at the top of the bottom plate, outside the top face of the riser Wall is connected with a folded sheet by hinge, and the back side of the riser is fixed with upper mounting plate and lower installation board successively from top to bottom, Fixed pulley is installed on the upper mounting plate, dynamometer is installed on the lower installation board, the front outer wall of the folded sheet is put It is equipped with counterweight, the dynamometer is connected with around the fixed pulley and the connecting rope that is connected with the counterweight, it is characterised in that：Institute The bottom for stating folded sheet is fixed with a hinged block, and the hinged block is hinged with a raising plate, be fixed with the top of the bottom plate with The automatic jacking device of raising plate connection, it is mounting blocks that the automatic jacking device includes being fixed on the bottom plate, solid The vertical fixing pipe at the top of the mounting blocks, the vertical jacking post being connected with the raising plate are scheduled on, the vertical jacking post Outer wall is provided with graduation mark, and the vertical left and right sides inwall of the fixing pipe close to bottom is respectively fixed with a vertical rail, and two It is movably set with a portable plate between vertical rail described in bar, it is convex that the left and right sides outer wall of the portable plate is respectively fixed with one Block, the projection are slidably connected with corresponding vertical rail, and a stepper motor, the stepper motor are provided with the portable plate Output shaft on be vertically fixed with a driving threaded post, the inwall of the vertical fixing pipe is located at the stepper motor A transverse slat is fixedly arranged above, the top of the driving threaded post leads to through the transverse slat and the driving threaded post with the transverse slat Threaded connection is crossed, the bottom of the vertical jacking post is extended in the inner chamber of the vertical fixing pipe, the vertical jacking post Bottom setting is fluted, and a cylindrical pivot block, the top of the driving threaded post and institute are rotatably provided with the groove The bottom connection of cylindrical pivot block is stated, the outer wall of the vertical fixing pipe is fixed with hollow box, is provided with the hollow box PLC, the outer wall of the hollow box are provided with the button groups for controlling the stepper motor, the PLC respectively with the button Group, stepper motor are electrically connected with.

2. dynamics experimental device according to claim 1, it is characterised in that：Being provided with for the bottom even of the bottom plate is anti- Chute.

3. dynamics experimental device according to claim 1, it is characterised in that：Lid is fixed with the top of the vertical fixing pipe Plate, the vertical jacking post are slidably connected through the cover plate and with the cover plate.

4. dynamics experimental device according to claim 1, it is characterised in that：The inwall of the vertical fixing pipe erects along described The length direction of straight fixing pipe is provided with least two locating slots, and the outer wall of the vertical jacking post is fixed with least two pieces positioning Block, the locating piece are slidably connected with corresponding locating slot.