CN216527695U - Balance force demonstration device for physics teaching - Google Patents

Balance force demonstration device for physics teaching Download PDF

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CN216527695U
CN216527695U CN202123130377.3U CN202123130377U CN216527695U CN 216527695 U CN216527695 U CN 216527695U CN 202123130377 U CN202123130377 U CN 202123130377U CN 216527695 U CN216527695 U CN 216527695U
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fixedly connected
test
spacing
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test ball
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孟琰衡
孟孜聪
刘远晴
孟天歌
赵若含
赵蔚屿
安晨煦
刘佳畅
李林聪
牛姝娜
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Tianjin Zhizhen Education Technology Co ltd
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Hebei Honglong Environmental Protection Technology Co ltd
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Abstract

本实用新型涉及平衡力演示技术领域,尤其为一种物理教学用平衡力演示装置,包括底座和支柱,所述底座上端面固定连接有支柱,所述支柱外侧滑动连接有滑动套,所述滑动套外侧固定连接有滑动环,所述滑动套上端面固定连接有试验台,所述试验台上方中央放置有测试球,所述测试球外侧通过挂钩设有拉绳,所述拉绳另一端均挂有砝码;本实用新型中,通过设置的中央限位架、固定板和弹簧测力仪,通过将两条拉绳固定在测试球的左右两侧,然后添加上砝码,此时弹簧测力仪可以测得测试球的对顶板的压力,然后在通过后侧的拉绳固定在测试球后侧,添加上同样中央的砝码,此时在观察弹簧测力仪的数值,此时可以形成对比,方便同学们理解,提高教学质量。

Figure 202123130377

The utility model relates to the technical field of balance force demonstration, in particular to a balance force demonstration device for physics teaching. The outer side of the sleeve is fixedly connected with a sliding ring, the upper end surface of the sliding sleeve is fixedly connected with a test bench, a test ball is placed in the center above the test bench, and a pull rope is provided on the outside of the test ball through a hook, and the other end of the pull rope is Weights are hung; in the utility model, the central limit frame, the fixing plate and the spring force measuring instrument are arranged, and the two pulling ropes are fixed on the left and right sides of the test ball, and then the weights are added. At this time, the spring The dynamometer can measure the pressure of the test ball on the top plate, and then fix it on the back side of the test ball through the pull rope on the back side, and add the same central weight. At this time, observe the value of the spring dynamometer. Contrasts can be formed to facilitate students' understanding and improve the quality of teaching.

Figure 202123130377

Description

一种物理教学用平衡力演示装置A balance force demonstration device for physics teaching

技术领域technical field

本实用新型涉及平衡力演示技术领域,具体为一种物理教学用平衡力演示装置。The utility model relates to the technical field of balance force demonstration, in particular to a balance force demonstration device for physics teaching.

背景技术Background technique

平衡力是几个力作用在同一个物体上,如果这个物体仍然或变成处于静止状态或匀速直线运动状态,或者是合力为零则这几个力的作用合力为零,我们就说这几个力平衡,演示是通过一些方式和工具,将信息传达给他人,是一种信息传达的行为方式,利用实验或实物、工具把事物的过程显示出来的过程,让人认识或理解。The balance force is several forces acting on the same object. If the object is still or becomes in a state of rest or a state of uniform linear motion, or the resultant force is zero, the resultant force of these forces is zero, and we say these few. Personal force balance, demonstration is to convey information to others through some methods and tools. It is a behavioral way of conveying information. It uses experiments or objects and tools to show the process of things, so that people can recognize or understand.

传统的物理教学用的平衡力教学方式都是通过老师在黑板上进行演示说明,其没有实物演示,同学们的不能完全理解,同时还有一部分教师通过演示装置进行教学,但是其演示装置复杂,不利于同学们的理解,因此,针对上述问题提出一种物理教学用平衡力演示装置。The traditional balance teaching method used in physics teaching is explained by the teacher on the blackboard. There is no physical demonstration, and the students cannot fully understand it. At the same time, some teachers teach through the demonstration device, but the demonstration device is complicated. It is not conducive to the understanding of students. Therefore, a balance force demonstration device for physics teaching is proposed to solve the above problems.

实用新型内容Utility model content

本实用新型的目的在于提供一种物理教学用平衡力演示装置,以解决上述背景技术中提出的问题。The purpose of the present invention is to provide a balance force demonstration device for physics teaching, so as to solve the problems raised in the above background technology.

为实现上述目的,本实用新型提供如下技术方案:To achieve the above object, the utility model provides the following technical solutions:

一种物理教学用平衡力演示装置,包括底座和支柱,所述底座上端面固定连接有支柱,所述支柱外侧滑动连接有滑动套,所述滑动套外侧固定连接有滑动环,所述滑动套上端面固定连接有试验台,所述试验台上方中央放置有测试球,所述测试球外侧通过挂钩设有拉绳,所述拉绳另一端均挂有砝码,所述试验台上端面周围固定连接有中央限位架,所述试验台外侧固定连接有侧边限位架,所述测试球前侧设有固定板,所述固定板下端面与试验台固定连接,所述固定板前端面固定连接有弹簧测力仪,所述弹簧测力仪后端面固定连接有顶板。A balance force demonstration device for physics teaching, comprising a base and a strut, the upper end surface of the base is fixedly connected with a strut, the outer side of the strut is slidably connected with a sliding sleeve, the outer side of the sliding sleeve is fixedly connected with a sliding ring, and the sliding sleeve A test bench is fixedly connected to the upper end surface, a test ball is placed in the center above the test bench, a pull rope is provided on the outside of the test ball through a hook, and the other end of the pull rope is hung with weights, and the upper end surface of the test bench is surrounded by A central limiter is fixedly connected, a side limiter is fixedly connected to the outer side of the test bench, a fixing plate is arranged on the front side of the test ball, the lower end surface of the fixing plate is fixedly connected to the test bench, and the front end of the fixing plate is fixedly connected. A spring dynamometer is fixedly connected to the surface, and a top plate is fixedly connected to the rear surface of the spring dynamometer.

优选的,所述顶板后端面呈弧面设置,所述顶板位于测试球前侧,所述拉绳数量为三个,且拉绳长度一致。Preferably, the rear end surface of the top plate is arranged in an arc surface, the top plate is located on the front side of the test ball, the number of the drawstrings is three, and the lengths of the drawstrings are the same.

优选的,所述中央限位架和侧边限位架数量均为三个,三个所述中央限位架处于同一平面,三个所述侧边限位架处于同一平面,所述中央限位架之间的角度为120°,所述侧边限位架之间的角度为120°,所述中央限位架和侧边限位架内侧的轴均是呈转动设置。Preferably, the number of the central limiter and the side limiter is three, the three central limiters are on the same plane, the three side limiters are on the same plane, and the central limiter is on the same plane. The angle between the spacers is 120°, the angle between the side spacers is 120°, and the central spacer and the inner shafts of the side spacers are arranged in a rotatable manner.

优选的,所述支柱左右两侧开设有凹槽,且凹槽内均设有转动板,所述转动板外侧与支柱连接部分呈转动连接,所述滑动环左右两侧固定连接有固定板,所述固定板上方设有螺钉,所述螺钉外侧螺旋连接有呈上下分布的固定板和转动板。Preferably, grooves are provided on the left and right sides of the pillar, and a rotating plate is arranged in the groove, the outer side of the rotating plate is rotatably connected with the connecting part of the pillar, and the left and right sides of the sliding ring are fixedly connected with a fixed plate. A screw is arranged above the fixing plate, and the outer side of the screw is screwed with a fixing plate and a rotating plate which are distributed up and down.

优选的,所述中央限位架外侧均固定连接有导向架,所述导向架内均设有拉绳,所述导向架数量为三个,且导向架均匀分布在试验台上方。Preferably, guide frames are fixedly connected to the outside of the central limit frame, and each of the guide frames is provided with a pulling rope. The number of the guide frames is three, and the guide frames are evenly distributed above the test bench.

与现有技术相比,本实用新型的有益效果是:Compared with the prior art, the beneficial effects of the present utility model are:

1、本实用新型中,通过设置的测试球、拉绳、中央限位架、侧边限位架、砝码、固定板和弹簧测力仪,通过将两条拉绳固定在测试球的左右两侧,然后添加上砝码,此时弹簧测力仪可以测得测试球的对顶板的压力,然后在通过后侧的拉绳固定在测试球后侧,添加上同样中央的砝码,此时在观察弹簧测力仪的数值,此时可以形成对比数据,方便同学们理解,提高教学质量;1. In the present utility model, through the test ball, the pull rope, the central limit frame, the side limit frame, the weight, the fixed plate and the spring dynamometer, the two pull ropes are fixed on the left and right sides of the test ball. Then add weights on both sides. At this time, the spring dynamometer can measure the pressure of the test ball on the top plate, and then fix it on the back side of the test ball through the pull rope on the back side, and add the same weight in the center. When observing the value of the spring dynamometer, comparative data can be formed at this time, which is convenient for students to understand and improve the quality of teaching;

2、本实用新型中,通过设置的底座、支柱、转动板、固定板、滑动环、滑动套和实验台,在使用时,螺钉将固定板和转动板固定,此时可以固定试验台的高度,方便同学们观察,当不使用时,通过转动螺钉,然后向下滑动滑动套,此时可以对装置进行收纳,节省其占用空间。2. In this utility model, through the set base, pillar, rotating plate, fixed plate, sliding ring, sliding sleeve and test bench, during use, the fixed plate and the rotating plate are fixed by screws, and the height of the test bench can be fixed at this time. , which is convenient for students to observe. When not in use, by turning the screw and then sliding the sliding sleeve downward, the device can be stored at this time, saving its space.

附图说明Description of drawings

图1为本实用新型整体结构示意图;Fig. 1 is the overall structure schematic diagram of the present utility model;

图2为本实用新型滑动套结构示意图。Figure 2 is a schematic structural diagram of the sliding sleeve of the present invention.

图中:1-底座、2-支柱、3-转动板、4-固定板、5-滑动环、6-滑动套、7-实验台、8-测试球、9-拉绳、10-中央限位架、11-侧边限位架、12-砝码、13-固定板、14-弹簧测力仪、15-顶板、16-导向架。In the picture: 1-base, 2-pillar, 3-rotating plate, 4-fixed plate, 5-sliding ring, 6-sliding sleeve, 7-experimental table, 8-test ball, 9-drawing rope, 10-central limiter Position frame, 11-side limit frame, 12-weight, 13-fixed plate, 14-spring dynamometer, 15-top plate, 16-guide frame.

具体实施方式Detailed ways

下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。基于本实用新型中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本实用新型保护的范围。The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

请参阅图1-2,本实用新型提供一种技术方案:Please refer to Figure 1-2, the utility model provides a technical solution:

一种物理教学用平衡力演示装置,包括底座1和支柱2,底座1上端面固定连接有支柱2,支柱2外侧滑动连接有滑动套6,滑动套6外侧固定连接有滑动环5,滑动套6上端面固定连接有试验台7,试验台7上方中央放置有测试球8,测试球8外侧通过挂钩设有拉绳9,拉绳9另一端均挂有砝码12,试验台7上端面周围固定连接有中央限位架10,试验台7外侧固定连接有侧边限位架11,测试球8前侧设有固定板13,固定板13下端面与试验台7固定连接,固定板13前端面固定连接有弹簧测力仪14,弹簧测力仪14可以测试数值,然后两次实验形成数据对比,方便同学们理解,弹簧测力仪14后端面固定连接有顶板15。A balance force demonstration device for physics teaching, comprising a base 1 and a pillar 2, the upper end surface of the base 1 is fixedly connected with the pillar 2, the outer side of the pillar 2 is slidably connected with a sliding sleeve 6, the outer side of the sliding sleeve 6 is fixedly connected with a sliding ring 5, and the sliding sleeve 6. A test bench 7 is fixedly connected to the upper end surface. A test ball 8 is placed in the center above the test bench 7. A pull rope 9 is provided on the outside of the test ball 8 through a hook. The other end of the pull rope 9 is hung with a weight 12. A central limiter 10 is fixedly connected around it, a side limiter 11 is fixedly connected to the outer side of the test bench 7, a fixing plate 13 is arranged on the front side of the test ball 8, and the lower end surface of the fixing plate 13 is fixedly connected to the test bench 7, and the fixing plate 13 A spring dynamometer 14 is fixedly connected to the front end. The spring dynamometer 14 can test the value, and then two experiments are used to form data comparison, which is convenient for students to understand. The rear surface of the spring dynamometer 14 is fixedly connected to a top plate 15.

顶板15后端面呈弧面设置,顶板15位于测试球8前侧,拉绳9数量为三个,且拉绳9长度一致,中央限位架10和侧边限位架11数量均为三个,三个中央限位架10处于同一平面,三个侧边限位架11处于同一平面,中央限位架10之间的角度为120°,侧边限位架11之间的角度为120°,中央限位架10和侧边限位架11内侧的轴均是呈转动设置,这种设置可以减少摩擦力,保证实验的准确性,支柱2左右两侧开设有凹槽,且凹槽内均设有转动板3,转动板3外侧与支柱2连接部分呈转动连接,滑动环5左右两侧固定连接有固定板4,固定板4上方设有螺钉,螺钉外侧螺旋连接有呈上下分布的固定板4和转动板3,这种设置方便固定滑动环5,中央限位架10外侧均固定连接有导向架16,导向架16内均设有拉绳9,导向架16数量为三个,且导向架16均匀分布在试验台7上方,这种设置保证拉绳9的走向,同时可以保证两条拉绳9工作时,测试球8可以与顶板15接触,方便弹簧测力仪14测得数值。The rear end surface of the top plate 15 is arranged in an arc surface, the top plate 15 is located on the front side of the test ball 8, the number of the pulling ropes 9 is three, and the lengths of the pulling ropes 9 are the same, and the number of the central limiter 10 and the side limiter 11 is three. , the three central limit frames 10 are on the same plane, the three side limit frames 11 are on the same plane, the angle between the central limit frames 10 is 120°, and the angle between the side limit frames 11 is 120° , the shafts on the inner side of the central limit frame 10 and the side limit frame 11 are all set in rotation, which can reduce friction and ensure the accuracy of the experiment. There are grooves on the left and right sides of the pillar 2, and the grooves All are provided with a rotating plate 3, the outer side of the rotating plate 3 is connected with the connecting part of the pillar 2 in a rotating manner, the left and right sides of the sliding ring 5 are fixedly connected with a fixed plate 4, a screw is arranged above the fixed plate 4, and the outer side of the screw is screwed. The fixing plate 4 and the rotating plate 3 are arranged to facilitate fixing the sliding ring 5. The outer side of the central limit frame 10 is fixedly connected with a guide frame 16. The guide frame 16 is provided with a pulling rope 9, and the number of the guide frame 16 is three. And the guide frame 16 is evenly distributed above the test bench 7, this arrangement ensures the direction of the pull rope 9, and at the same time can ensure that when the two pull ropes 9 are working, the test ball 8 can be in contact with the top plate 15, which is convenient for the spring force measuring instrument 14 to measure. numerical value.

工作流程:使用时将本装置放置在平坦的地面上,然后通过向上滑动滑动环5,然后转动板3转动90°,通过螺钉将其固定板4与转动板3固定,首先将两条拉绳9挂在测试球8前侧,通过在拉绳9下方放置相同质量的砝码12,此时测试球8挤压顶板15,顶板15挤压弹簧测力仪14,弹簧测力仪14显示数值,而在将另一拉绳9挂在测试球8的后侧,然后放置相同质量的砝码12,此时重新观察弹簧测力仪14的数值,此时发现弹簧测力仪14数值为0,此时测试球8静止,设置的中央限位架10和侧边限位架11作用是减少摩擦力对演示装置的影响,而这种通过对比的方式演示平衡力方便学生们理解,更加生动形象,具有很好的使用价值,当其使用完成后,通过将螺钉拆卸,然后转动板3复位,向下滑动滑动套6,可以有效减少本装置的占用空间。Workflow: When using, place the device on a flat ground, then slide the sliding ring 5 upwards, then turn the plate 3 and turn it 90°, and fix the fixing plate 4 and the rotating plate 3 with screws, firstly connect the two pull ropes 9 is hung on the front side of the test ball 8, and by placing the weight 12 of the same mass under the pull rope 9, the test ball 8 presses the top plate 15, the top plate 15 presses the spring dynamometer 14, and the spring dynamometer 14 displays the value , and hang another rope 9 on the back side of the test ball 8, and then place the weight 12 of the same mass. At this time, the value of the spring dynamometer 14 is re-observed, and the value of the spring dynamometer 14 is found to be 0. , at this time the test ball 8 is stationary, the central limit frame 10 and the side limit frame 11 are set to reduce the influence of friction on the demonstration device, and this way of demonstrating the balance force by comparison is convenient for students to understand and more vivid The image has a good use value. After the use is completed, the space occupied by the device can be effectively reduced by removing the screws, then turning the plate 3 to reset, and sliding the sliding sleeve 6 downward.

尽管已经示出和描述了本实用新型的实施例,对于本领域的普通技术人员而言,可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型,本实用新型的范围由所附权利要求及其等同物限定。Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. The utility model provides a balanced force presentation device for physical teaching, includes base (1) and pillar (2), its characterized in that: the testing device is characterized in that a supporting column (2) is fixedly connected to the upper end face of a base (1), a sliding sleeve (6) is slidably connected to the outer side of the supporting column (2), a sliding ring (5) is fixedly connected to the outer side of the sliding sleeve (6), a test table (7) is fixedly connected to the upper end face of the sliding sleeve (6), a test ball (8) is placed in the center above the test table (7), a pull rope (9) is arranged on the outer side of the test ball (8) through a hook, weights (12) are hung at the other end of the pull rope (9), a central limiting frame (10) is fixedly connected to the periphery of the upper end face of the test table (7), a side limiting frame (11) is fixedly connected to the outer side of the test table (7), a fixing plate (13) is arranged on the front side of the test ball (8), the lower end face of the fixing plate (13) is fixedly connected with the test table (7), and a spring dynamometer (14) is fixedly connected to the front end face of the fixing plate (13), and the rear end face of the spring dynamometer (14) is fixedly connected with a top plate (15).
2. The balance force demonstration device for physics teaching according to claim 1, wherein: the rear end face of the top plate (15) is arranged in an arc surface mode, the top plate (15) is located on the front side of the test ball (8), the number of the pull ropes (9) is three, and the lengths of the pull ropes (9) are consistent.
3. The balance force demonstration device for physics teaching according to claim 1, wherein: spacing (10) of central authorities and the spacing (11) quantity of side are three, and are three spacing (10) of central authorities are in the coplanar, and are three spacing (11) of side are in the coplanar, the angle between spacing (10) of central authorities is 120, the angle between spacing (11) of side is 120, spacing (10) of central authorities and the inboard axle of spacing (11) of side all are the rotation setting.
4. The balance force demonstration device for physics teaching according to claim 1, wherein: the novel support is characterized in that grooves are formed in the left side and the right side of the support (2), rotating plates (3) are arranged in the grooves, the outer sides of the rotating plates (3) are rotatably connected with the connecting parts of the support (2), fixing plates (4) are fixedly connected to the left side and the right side of the sliding ring (5), screws are arranged above the fixing plates (4), and the fixing plates (4) and the rotating plates (3) which are distributed vertically are spirally connected to the outer sides of the screws.
5. The balance force demonstration device for physics teaching according to claim 1, wherein: the outer side of the central limiting frame (10) is fixedly connected with a guide frame (16), pull ropes (9) are arranged in the guide frame (16), the number of the guide frames (16) is three, and the guide frames (16) are uniformly distributed above the test bed (7).
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