阅读说明：本技术 一种农业机械教学用的考试机 (Examination machine that agricultural machine teaching was used ) 是由 徐朝亮 纪明玉 卜慧平 于 2019-11-27 设计创作，主要内容包括：本发明提供了一种农业机械教学用的考试机,包括有底座,所述底座的内底板上垂直固定安装有液压伸缩杆,所述液压伸缩杆的顶端贯穿所述底座的壳体延伸至其外部固定安装有支撑座,所述支撑座内底板的顶端安装有支撑板,所述支撑板的上表面安装有转动组件,所述转动组件包括有驱动电机,所述驱动电机的输出端通过转子水平转动连接有蜗杆,所述蜗杆的两端均贯穿安装有固定座,所述蜗杆的一侧啮合连接有蜗轮,所述蜗轮的顶端垂直安装有转动轴,所述转动轴的顶端贯穿所述支撑座的壳体延伸至其外部安装有教学考试器。本发明通过液压伸缩杆和转动组件,实现了考试机高度和角度的调节,且操作简单,便于实现。(The invention provides an examination machine for agricultural machinery teaching, which comprises a base, wherein a hydraulic telescopic rod is vertically and fixedly arranged on an inner bottom plate of the base, the top end of the hydraulic telescopic rod penetrates through a shell of the base and extends to the outside of the base to be fixedly provided with a supporting seat, a supporting plate is arranged at the top end of the inner bottom plate of the supporting seat, a rotating assembly is arranged on the upper surface of the supporting plate and comprises a driving motor, the output end of the driving motor is horizontally and rotatably connected with a worm through a rotor, fixing seats are respectively arranged at two ends of the worm in a penetrating manner, a worm wheel is meshed and connected with one side of the worm, a rotating shaft is vertically arranged at the top end of the worm wheel, and the top end of the rotating shaft penetrates through the shell. According to the invention, the height and angle of the examination machine can be adjusted through the hydraulic telescopic rod and the rotating assembly, and the examination machine is simple to operate and convenient to realize.)

1. The utility model provides an examination machine that agricultural machine teaching was used, including base (1), its characterized in that: vertical fixed mounting has hydraulic telescoping rod (3) on the infrabasal plate of base (1), the top of hydraulic telescoping rod (3) runs through the casing of base (1) extends to its outside fixed mounting and has supporting seat (4), backup pad (41) are installed on the top of infrabasal plate in supporting seat (4), the last surface mounting of backup pad (41) has rotating assembly (6), rotating assembly (6) are including driving motor (63), the bottom of driving motor (63) with the last fixed surface of backup pad (41) is connected, the output of driving motor (63) is connected with worm (65) through rotor horizontal rotation, fixing base (64) are all run through to be installed at the both ends of worm (65), two the bottom of fixing base (64) all with the last fixed surface of backup pad (41) is connected, just one side meshing of worm (65) is connected with worm wheel (62), rotation axis (61) are installed perpendicularly to the top of worm wheel (62), the top of rotation axis (61) is run through the casing of supporting seat (4) extends to its externally mounted has teaching examination ware (5), rotation axis (61) are kept away from the one end of teaching examination ware (5) is run through worm wheel (62) extend to the upper surface of backup pad (41) is through ball bearing and rotates the connection.

2. The examination machine for agricultural machinery teaching according to claim 1, wherein: the bottom bonding of backup pad (41) is connected with elastic plate (42), the bottom of elastic plate (42) is crisscross perpendicularly and is installed a plurality of damper (7), and is a plurality of damper (7) are all including mount pad (71) and mount pad (72) under L type on the L type, and are a plurality of the top of mount pad (71) all with the bottom fixed connection of elastic plate (42) is a plurality of the bottom of mount pad (71) is all crisscross perpendicularly and is installed a plurality of elasticity post (74), a plurality of on the L type the bottom of elasticity post (74) all with a plurality of the top fixed connection of mount pad (72) under the L type, and is a plurality of all the cover is equipped with spring (73) on the outer wall of elasticity post (74), and is a plurality of the inboard of spring (73) all with a plurality of the outer wall sliding connection of elasticity post (74).

3. The examination machine for agricultural machinery teaching according to claim 2, wherein: a plurality of rubber plates (43) are installed at the bottoms of the L-shaped lower installation seats (72), and the bottom ends of the rubber plates (43) are fixedly connected with the inner bottom plate of the support seat (4).

4. The examination machine for agricultural machinery teaching according to claim 1, wherein: the utility model discloses a folding supporting component, including base (1), folding supporting component (2) are installed at the bottom center department of base (1), folding supporting component (2) are including fixed plate (21), the top of fixed plate (21) through the pivot with the bottom fixed connection of base (1), a plurality of bearing supporting legss (22) are installed in the bottom of fixed plate (21) crisscross perpendicularly.

5. The test machine for agricultural machinery teaching of claim 4, wherein: four apex angles departments of base (1) bottom install universal wheel (11) through the bolt perpendicularly one by one.

6. The examination machine for agricultural machinery teaching according to claim 1, wherein: and a protective shaft sleeve (66) is sleeved on the outer wall of the joint of the rotating shaft (61) and the supporting seat (4).

Technical Field

The invention mainly relates to the technical field of examination machines, in particular to an examination machine for agricultural machinery teaching.

Background

The most fixed knot that is of current examination machine structure is constructed, examination machine highly can not be adjusted under the general condition, the angle of touch screen panel is not convenient for adjust moreover, before the operator carries out agricultural machine's practise exercises teaching examination, need arrange examination machine according to student's quantity and the place of teaching examination, because examination machine highly can not adjust, be not convenient for adjust the angle of touch screen panel moreover, lead to arranging the extravagant time in place too much, be unfavorable for going on of teaching examination. Therefore, it is necessary to develop an examination machine for agricultural machinery teaching, which is convenient for adjusting the height of the examination machine and the angle of the touch screen panel, and is convenient for people to operate.

Disclosure of Invention

The invention mainly provides an examination machine for agricultural machinery teaching, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an examination machine for agricultural machinery teaching comprises a base, wherein a hydraulic telescopic rod is vertically and fixedly installed on an inner bottom plate of the base, the top end of the hydraulic telescopic rod penetrates through a shell of the base and extends to the outside of the shell to be fixedly installed with a supporting seat, a supporting plate is installed at the top end of the inner bottom plate of the supporting seat, a rotating assembly is installed on the upper surface of the supporting plate and comprises a driving motor, the bottom of the driving motor is fixedly connected with the upper surface of the supporting plate, the output end of the driving motor is connected with a worm through horizontal rotation of a rotor, fixing seats are installed at the two ends of the worm in a penetrating way, the bottoms of the two fixing seats are fixedly connected with the upper surface of the supporting plate, a worm wheel is meshed with one side of the worm, a rotating shaft is vertically installed at the top end of the worm wheel, the top end of the rotating shaft penetrates, the one end that the axis of rotation was kept away from teaching examination ware runs through the worm wheel extends to the upper surface of backup pad is through ball bearing and rotates the connection.

Further, the bottom bonding of backup pad is connected with the elastic plate, the bottom of elastic plate is crisscross perpendicularly installs a plurality of damper, and is a plurality of damper all includes mount pad and L type lower mount pad on the L type, and is a plurality of mount pad on the L type the top all with the bottom fixed connection of elastic plate is a plurality of all crisscross perpendicularly of bottom of mount pad is installed a plurality of elasticity posts on the L type, and is a plurality of the bottom of elasticity post all with a plurality of the top fixed connection of mount pad, and a plurality of all the cover is equipped with the spring on the outer wall of elasticity post, and is a plurality of the inboard of spring all with a plurality of the outer wall sliding connection of elasticity post.

Furthermore, a plurality of rubber plates are installed at the bottom of the L-shaped lower installation seat, and the bottom ends of the rubber plates are fixedly connected with the inner bottom plate of the support seat.

Furthermore, the bottom center department of base installs folding supporting component, folding supporting component is including the fixed plate, the top of fixed plate through the pivot with the bottom fixed connection of base, the bottom of fixed plate is crisscross perpendicularly installs a plurality of bearing supporting legss.

Furthermore, four apex angles of base bottom install the universal wheel perpendicularly one by one through the bolt.

Furthermore, a protective shaft sleeve is sleeved on the outer wall of the joint of the rotating shaft and the supporting seat.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the height and the angle of the examination machine can be conveniently adjusted, when the height of the teaching examination device is not matched with the height of a student, the base is driven to ascend or descend by the stretching of the hydraulic telescopic rod, the base drives the teaching examination device to ascend or descend, the height can be conveniently adjusted, when the angle of the teaching examination device needs to be adjusted, the worm is driven to rotate by the working of the driving motor, and the worm is meshed with the worm gear to be connected, so that the worm gear rotates, the worm gear drives the rotating shaft to rotate, the rotating shaft drives the teaching examination device to rotate, the angle can be adjusted by the rotation of the teaching examination device, the operation is simple and convenient, and the omnibearing rotating angle is realized;

secondly, the vibration of the device generated by the work of the driving motor is buffered by the elastic plate, the elastic column, the spring and the rubber plate which are arranged in sequence, so that the vibration received by the rotation of the teaching examination device is reduced, and the teaching examination device is stabilized.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the support base according to the present invention;

FIG. 3 is a cross-sectional view of the shock absorbing assembly of the present invention;

fig. 4 is an enlarged view of region a in fig. 1.

Reference numerals: 1. a base; 11. a universal wheel; 2. folding the support assembly; 21. a fixing plate; 22. load-bearing support legs; 3. a hydraulic telescopic rod; 4. a supporting seat; 41. a support plate; 42. an elastic plate; 43. a rubber plate; 5. a teaching examination device; 6. a rotating assembly; 61. a rotating shaft; 62. a worm gear; 63. a drive motor; 64. a fixed seat; 65. a worm; 66. a protective shaft sleeve; 7. a shock absorbing assembly; 71. an L-shaped upper mounting seat; 72. an L-shaped lower mounting seat; 73. a spring; 74. an elastic column.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-4 in greater detail, an examination machine for agricultural machinery teaching comprises a base 1, a hydraulic telescopic rod 3 is vertically and fixedly installed on an inner bottom plate of the base 1, a supporting seat 4 is fixedly installed at the outer side of the hydraulic telescopic rod 3 by penetrating through a shell of the base 1, a supporting plate 41 is installed at the top end of the inner bottom plate of the supporting seat 4, a rotating component 6 is installed on the upper surface of the supporting plate 41, the rotating component 6 comprises a driving motor 63, the bottom of the driving motor 63 is fixedly connected with the upper surface of the supporting plate 41, the output end of the driving motor 63 is horizontally and rotatably connected with a worm 65 through a rotor, fixing seats 64 are installed at two ends of the worm 65 by penetrating through, the bottoms of the two fixing seats 64 are fixedly connected with the upper surface of the supporting plate 41, and a worm wheel 62 is engaged with one side of the worm 65, rotation axis 61 is installed perpendicularly to worm wheel 62's top, the top of rotation axis 61 is run through the casing of supporting seat 4 extends to its externally mounted has teaching examination ware 5, rotation axis 61 is kept away from the one end of teaching examination ware 5 is run through worm wheel 62 extends to the upper surface of backup pad 41 is through ball bearing and rotates the connection.

Please refer to fig. 1 again, the universal wheels 11 are vertically installed at four top corners of the bottom of the base 1 one by one through bolts. In this embodiment, the movement of the device is facilitated by the universal wheels 11.

Please refer to fig. 1 and fig. 4, a folding support assembly 2 is installed at the bottom center of the base 1, the folding support assembly 2 includes a fixing plate 21, the top end of the fixing plate 21 is fixedly connected with the bottom of the base 1 through a rotating shaft, and a plurality of load-bearing support legs 22 are vertically installed at the bottom of the fixing plate 21 in a staggered manner. In this embodiment, the fixing plate 21 is connected to the base 1 in a rotatable manner, so that the fixing plate 21 can be folded, and the universal wheel 11 can prevent instability of the device due to the stability of the plurality of bearing supporting legs 22.

Please refer to fig. 2 again, a protective sleeve 66 is sleeved on the outer wall of the joint of the rotating shaft 61 and the supporting seat 4. In the embodiment, the rotating shaft 61 is protected by the protecting shaft sleeve 66, so that the abrasion of the rotating shaft 61 caused by rotation is reduced, and the service life of the rotating shaft 61 is prolonged.

Referring again to fig. 2-3, the bottom end of the support plate 41 is adhesively connected with an elastic plate 42, the bottom end of the elastic plate 42 is vertically provided with a plurality of shock absorption components 7 in a staggered manner, each shock absorption component 7 comprises an L-shaped upper mounting seat 71 and an L-shaped lower mounting seat 72, the tops of the L-shaped upper mounting seats 71 are fixedly connected with the bottom of the elastic plate 42, the bottoms of the L-shaped upper mounting seats 71 are vertically provided with a plurality of elastic columns 74 in a staggered manner, the bottom ends of the elastic columns 74 are fixedly connected with the top ends of the L-shaped lower mounting seats 72, and it is a plurality of all the cover is equipped with spring 73 on the outer wall of elasticity post 74, and is a plurality of the inboard of spring 73 all with a plurality of the outer wall sliding connection of elasticity post 74 is a plurality of rubber slab 43 is installed to the bottom of mount pad 72 under the L type, the bottom of rubber slab 43 with the interior bottom plate fixed connection of supporting seat 4. In the embodiment, the vibration of the device generated by the operation of the driving motor 63 is buffered by the elastic plate 42, the elastic column 74, the spring 73 and the rubber plate 43 which are arranged in sequence, so that the vibration received by the teaching examination device 5 during rotation is reduced, and the teaching examination device 5 is stabilized.

The specific operation mode of the invention is as follows:

firstly, the device is moved to a teaching examination place through the universal wheel 11, then the fixing plate 21 is opened, the device is prevented from being unstable due to the universal wheel 11 through the stabilizing device of the plurality of bearing supporting legs 22, when the height of the teaching examination device 5 is not matched with the height of a student, the base 1 is driven to ascend or descend through the extension of the hydraulic telescopic rod 3, the teaching examination device 5 is driven to ascend or descend through the base 1, when the angle of the teaching examination device 5 needs to be adjusted, the whole device does not need to be moved, the driving motor 63 works to drive the worm 65 to rotate, because the worm 65 is meshed with the worm wheel 62, the worm wheel 62 rotates, the worm wheel 62 drives the rotating shaft 61 to rotate, the rotating shaft 61 drives the teaching examination device 5 to rotate, the angle adjustment can be completed through the rotation of the teaching examination device 5, the operation is simple and convenient, and the device has an omnidirectional rotation angle, the elastic plate 42, the elastic column 74, the spring 73 and the rubber plate 43 which are arranged in sequence buffer the vibration of the device generated by the work of the driving motor 63, reduce the vibration received when the teaching examination device 5 rotates and stabilize the teaching examination device 5.

The invention has been described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the specific implementation in the above-described manner, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without such modifications.