CN109147511A - A kind of electric power metering device teaching aid - Google Patents
A kind of electric power metering device teaching aid Download PDFInfo
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- CN109147511A CN109147511A CN201811030484.9A CN201811030484A CN109147511A CN 109147511 A CN109147511 A CN 109147511A CN 201811030484 A CN201811030484 A CN 201811030484A CN 109147511 A CN109147511 A CN 109147511A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
- G09B23/187—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism for measuring instruments
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- Electrically Operated Instructional Devices (AREA)
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Abstract
The invention discloses a kind of electric power metering device teaching aids, first vertical beam, the second vertical beam, upper beam and lower beam form rectangular frame, balladeur train is equipped on two vertical beams, the both ends of board of education are fixed on two balladeur trains, balladeur train on second vertical beam and the second vertical beam is all provided with the through slot for allowing board of education to be inserted into, and buckle is designed on two balladeur trains, the buckle setting direction on two balladeur trains is fixed with the electric elements for simulating real wiring scene at right-angled intersection in the board of education.The invention has the advantages that student is allowed to carry out simulated operation on the teaching board, in installing for entire board of education, manpower is greatly saved, and use buckle-type connection type, dismounting is all more convenient, without using additional tool.
Description
Technical field
The present invention relates to a kind of electric power metering device teaching aids.
Background technique
Since present power supply station's peopleware is irregular, many line post personnels and newly into employee for electric-power metering
Correct mode of connection of device etc. is not very clear or cannot reach unified specification, and current training is all largely
Based on theoretical basis training, students hardly result in real realistic simulation training.
Summary of the invention
The purpose of the present invention is to provide a kind of electric power metering device teaching aids, can effectively solve the problem that student without practical
The problem of operation simulation training.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of electric power metering device
Teaching aid, including pedestal, the first vertical beam, the second vertical beam, upper beam, lower beam and board of education, there are two the pedestals, and one
It is fixed with the first vertical beam on pedestal, the second vertical beam, the top at the top of the first vertical beam and the second vertical beam are fixed on another pedestal
Portion is fixedly connected by upper beam, and the bottom of first vertical beam is fixedly connected with the bottom of the second vertical beam by lower beam, institute
It states and is provided with gliding groove on lower beam；
It is provided with the first vertical chute towards the second vertical beam on first vertical beam, the is equipped in first vertical chute
One balladeur train, the first fixing groove towards the second vertical beam is provided on first balladeur train, and first balladeur train is equipped with and protrudes into first
The first buckle in fixing groove, the left side of the board of education are equipped with the compatible left card slot with the first buckle；
It is provided with the second vertical chute towards the first vertical beam on second vertical beam, the is equipped in second vertical chute
Two balladeur trains, the second through slot towards the first balladeur train is provided on second balladeur train, and the lower part of second vertical beam is perpendicular backwards to first
The face of beam is provided with and communicates the first through slot with the second vertical chute, and first through slot is communicated with the second through slot, second balladeur train
It is equipped with the second buckle protruded into the second through slot, the right side of the board of education is equipped with the compatible right card slot with the second buckle；
One end of the gliding groove connects with the first vertical chute, the other end of the gliding groove and the second vertical chute phase
Connect, sequentially passed through on the left of the board of education and be inserted into the first fixing groove after the first through slot and the second through slot, first through slot and
The height of second through slot is equal to the height of board of education, and the height of second balladeur train is greater than the height of board of education；
The electric elements for simulating real wiring scene are fixed in the board of education.
Preferably, first buckle includes the first buckle, first rotating shaft and return spring, the middle part of first buckle
It is rotatably connected on the first balladeur train by first rotating shaft, the first rotating shaft is vertically arranged, and the return spring is covered at first turn
On axis, described return spring one end is withstood on the first balladeur train, and the other end of return spring is withstood on the first buckle, and described first is sliding
The through-hole communicated with the first fixing groove is provided on the side wall of frame, the first fixing groove is protruded by through-hole in the front of first buckle
It is interior.Due to first rotating shaft be in be vertically arranged, such first buckle be at it is horizontally disposed, in this way board of education be pushed into when
Automatically the first buckle can be jacked up, while the first buckle will not take off when by vertical direction power out of left card slot
Out.
Preferably, the front of first buckle is the first engaging portion protruded towards board of education, first engaging portion
It is set as cuboid, first engaging portion is justified towards the face of the first fixing groove opening direction and towards being equipped between the face of board of education
Arc transition, first engaging portion backwards to the first fixing groove opening direction face and also be provided with circular arc towards between the face of board of education
Transition.Arc transition is set, more conducively the first buckle is pushed open when board of education is pushed into, the first buckle is allowed to be caught in left card slot,
It also can use arc transition in board of education extraction simultaneously to push the first buckle open, the first buckle and left card slot allowed to be detached from, this
Sample is whether being inserted into board of education is still extracted, and in the first vertical beam, here there is no need to manual operations.
Preferably, arc transition, institute are equipped between the left side of the board of education and the front of board of education and/or reverse side
Left card slot is stated for rectangular channel, in the left card slot between the face of board of education left side and the front and/or reverse side of board of education
Equipped with arc transition.Influence of the left card slot to the first buckle when further board of education push-in or extraction, both reductions are opposite to transport
Dynamic resistance.
Preferably, second buckle includes the second buckle, the second shaft and return spring, the middle part of second buckle
It is rotatably connected on the second balladeur train by the second shaft, second shaft is horizontally disposed, and the return spring is covered at second turn
On axis, one end of the return spring is withstood on the second balladeur train, and the other end of return spring is withstood on the second buckle, and described second
The through-hole communicated with the second through slot is provided on the side wall of balladeur train, the front of second buckle is by going deep into the second through slot.By
Horizontally disposed in the second shaft, such second buckle just switchs to be vertically arranged, and the second buckle, which is vertically arranged, can prevent board of education
There is transverse shifting.
Preferably, the front of second buckle is the second engaging portion protruded towards board of education, second engaging portion
For cuboid, the right card slot of the board of education is rectangular channel, and the top surface of second engaging portion is that working face and right card slot cooperate
Snapping.The top surface and right card slot for making the second engaging portion cooperate, and form plane and plane contact, can prevent due to board of education gravity
It acts on and the second buckle is made to be detached from board of education.
Preferably, the rear portion of second buckle is handle, and second balladeur train is equipped with slide bar, and the slide bar is equipped with button
Ring, when board of education passes through the second through slot, handle is inserted into retaining ring, and the front of the second buckle is kept not protrude into the logical of the second balladeur train
In hole.When needing to be inserted into or extracting board of education, the position of the second buckle is fixed by retaining ring, makes the second buckle not
Inserting or pull out for board of education is had an impact.
Preferably, several fixation holes communicated with the second vertical chute are provided on the side wall of second vertical beam, it is described solid
Determine to be inserted with fixed pin in hole.It is inserted into corresponding fixation hole by fixed pin, fixed pin is made to hold board of education, thus stronger
Fixation board of education relative altitude.
Preferably, the secondary sliding slot communicated with gliding groove on lower beam is provided on the pedestal being connected with the second vertical beam.Setting is secondary
The height that sliding slot can reduce board of education insertion or need to lift when extracting, saves the strength for moving board of education.
Compared with prior art, the invention has the advantages that passing through the first vertical beam, upper beam, the second vertical beam, lower beam composition
One rectangle frame guarantees the stability of entire frame, while by increasing the bottom being fixedly connected with the first vertical beam and the second vertical beam
Seat, to prevent frame from toppling over；
Since board of education needs fixed electric elements, so board of education heavier-weight, in order to facilitate the installation of board of education,
The first through slot is opened up on second vertical beam, while opening up the second through slot on the second balladeur train, board of education is allowed to be laterally inserted into, and is being imparted knowledge to students
After plate is inserted in place, by the fixation of the first buckle and the second buckle, board of education and the first balladeur train and the second balladeur train are fixed into
It is whole, entirely entirely through the guiding of the first vertical chute and the second vertical chute, entire board of education will be raised to suitably
Highly, while on lower beam gliding groove is set, both prevented when board of education is pushed away toward the first balladeur train the bottom of board of education by
Damage, and can reduce the frictional force of board of education push-in, so that installing in entire board of education, is greatly saved manpower, and
Using buckle-type connection type, dismounting is all more convenient, without using additional tool.
Entire electric power metering device replacement and installation board of education are all very convenient, on the teaching board can be with fixed-analog reality
The electric elements of scene allow student to carry out simulated operation on the teaching board, so that student is allowed really to experience the feeling of practical operation,
It is easier to find the problem, guidance is also more lively specific, combines theory and practice convenient for student, preferably grasps kilowatt meter
Measure the installation and wiring specification of device.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the electric power metering device teaching aid of the present invention after board of education rise；
Fig. 2 is a kind of structural schematic diagram of the electric power metering device teaching aid of the present invention after board of education is fallen；
Fig. 3 is A-A cross-sectional view in Fig. 1；
Fig. 4 is B-B cross-sectional view in Fig. 2；
Fig. 5 is the structural schematic diagram of the first balladeur train in the present invention；
Fig. 6 is the structural schematic diagram of the second balladeur train in the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The instructions such as " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
It is refering to fig. 1 a kind of embodiment of electric power metering device teaching aid of the present invention, a kind of electric power metering device to Fig. 6
Teaching aid, including pedestal 10, the first vertical beam 20, the second vertical beam 30, upper beam 40, lower beam 50 and board of education 60, the bottom
There are two seats 10, and the first vertical beam 20 is fixed on a pedestal 10, and the second vertical beam 30 is fixed on another pedestal 10, and first is perpendicular
The top of beam 20 is fixedly connected with the top of the second vertical beam 30 by upper beam 40, and the bottom of first vertical beam 20 and second is erected
The bottom of beam 30 is fixedly connected by lower beam 50, is provided with gliding groove 51 on the lower beam 50；
The first vertical chute 21 towards the second vertical beam 30, first vertical chute 21 are provided on first vertical beam 20
It is inside equipped with the first balladeur train 22, the first fixing groove 23 towards the second vertical beam, first balladeur train are provided on first balladeur train 22
22 are equipped with the first buckle 24 protruded into the first fixing groove 23, and the left side of the board of education 60 is equipped with suitable with the first 24 phases of buckle
The left card slot 61 matched；
The second vertical chute 31 towards the first vertical beam 20, second vertical chute 31 are provided on second vertical beam 30
It is inside equipped with the second balladeur train 32, the second through slot 33 towards the first balladeur train 22, second vertical beam are provided on second balladeur train 32
30 lower part is provided with backwards to the face of the first vertical beam 20 and communicates the first through slot 34 with the second vertical chute 31, first through slot 34 with
Second through slot 33 communicates, and second balladeur train 32 is equipped with the second buckle 35 protruded into the second through slot 33, the board of education 60
Right side be equipped with and second buckle 35 compatible right card slots 62；
One end of the gliding groove 51 connects with the first vertical chute 21, and the other end of the gliding groove 51 and second is vertically
Sliding slot 31 connects, and the first fixing groove is inserted into after sequentially passing through the first through slot 34 and the second through slot 33 in the left side of the board of education 60
23, the height of first through slot 34 and the second through slot 33 is equal to the height of board of education 60, and the height of second balladeur train 32 is big
In the height of board of education 60, for the High definition of through slot, in this way after board of education 60 is inserted into and rises the second balladeur train 32,
The bottom of the second vertical chute 31 be can use to protect board of education 60 lateral stressed, that is, when board of education 60 is lateral stressed
Board of education 60 can be withstood by the bottom of the second vertical chute 31, reduce the impact to the second buckle 35；
The electric elements 63 for simulating real wiring scene are fixed in the board of education 60.
A rectangle frame is formed by the first vertical beam 20, upper beam 40, the second vertical beam 30, lower beam 50, guarantees entire frame
The stability of frame, while by increasing the pedestal 10 being fixedly connected with the first vertical beam 20 and the second vertical beam 30, to prevent frame from inclining
?；
Since board of education 60 needs fixed electric elements 63, so 60 heavier-weight of board of education, in order to facilitate board of education 60
Installation, the first through slot 34 is opened up on the second vertical beam 30, while opening up the second through slot 33 on the second balladeur train 32, allows board of education
60 are laterally inserted into, after board of education 60 is inserted in place, by the fixation of the first buckle 24 and the second buckle 35, by board of education 60
It is integral with the first balladeur train 22 and the fixation of the second balladeur train 32, it will entirely slided vertically entirely through the first vertical chute 21 and second
Entire board of education 60 is raised to suitable height by the guiding of slot 31, while gliding groove 51 being arranged on lower beam 50, in board of education
60 had not only prevented the bottom of board of education 60 impaired when pushing away past first balladeur train 22, but also can reduce the friction of the push-in of board of education 60
Power, so that installing in entire board of education 60, is greatly saved manpower, and use buckle-type connection type, dismounting is all compared
It is more convenient, without using additional tool.
Entire electric power metering device replacement and installation board of education 60 are all very convenient, can be with fixed-analog in board of education 60
The electric elements 63 of real scene, allow student to carry out simulated operation in board of education 60, so that student be allowed really to experience practical behaviour
The feeling of work, it is easier to find the problem, guidance is also more lively specific, combines theory and practice convenient for student, preferably
Grasp the installation and wiring specification of electric power metering device.
Specifically, first buckle 24 and second buckle 35 according to the weight of board of education 60 can be set one group or one group with
On, for the first buckle 24 using being transversely and horizontally set, the second buckle 35, in this way can be to 60 water of board of education using being vertically vertically arranged
Flat stress and vertical stress all generate limitation, and board of education 60 is prevented to be subjected to displacement.
As shown in figure 4, every group first buckle 24 is including the first buckle 241, first rotating shaft 242 and return spring, it is described
The middle part of first buckle 241 is rotatably connected on the first balladeur train 22 by first rotating shaft 242, can be arranged on the first balladeur train 22
First rotating shaft 242 is arranged between the two plates two boards, and the first rotating shaft 242 is vertically arranged, and the return spring covers
In first rotating shaft 242, described return spring one end is withstood on the first balladeur train 22, and the other end of return spring withstands on the first buckle
On 241, the through-hole 221 communicated with the first fixing groove 23 is provided on the side wall of first balladeur train 22, first buckle 241
Front is protruded into the first fixing groove 23 by through-hole 221.The installation of first buckle 24 for convenience, the first balladeur train 22 can be with one
Divide and stretches out the first vertical chute 21, and the first buckle 24 is secured on this part for stretching out first sliding groove, it in this way will not shadow
Ring sliding up and down to the first balladeur train 22.
The front of first buckle 241 is the first engaging portion 243 protruded towards board of education 60, first engaging portion
243 are set as cuboid, first engaging portion 243 towards 23 opening direction of the first fixing groove face with towards the face of board of education 60
Between be equipped with arc transition, in this way when board of education 60 is inserted into, the left side of board of education 60 and this partial arc transition contact,
The front of first buckle 241 is jacked up, there is no need to artificially remove the front of the first buckle 241, board of education 60 can be suitable
Benefit is inserted into the first fixing groove 23, etc. after boards of education 60 are inserted in place, the first engaging portion 243 can be caught in accordingly automatically
In left card slot 61, first engaging portion 243 backwards to 23 opening direction of the first fixing groove face with towards the face of board of education 60 it
Between also be provided with arc transition, this partial arc transition be in order to board of education 60 extract when, the side of arc transition and left card slot 61
Contact, the first buckle 241 is jacked up, the first engaging portion 243 is allowed to be detached from left card slot 61, to realize when board of education 60 is extracted the
One buckle 241 does not need to think to operate yet, and reduces operation number.
Further, in order to be more convenient the insertion or extraction of board of education 60, the left side of the board of education 60 and board of education
Arc transition is equipped between 60 front and/or reverse side, the left card slot 61 is rectangular channel, close religion in the left card slot 61
It learns and is equipped with arc transition between the face of 60 left side of plate and the front and/or reverse side of board of education 60, if before the first balladeur train 22
After be designed with the first buckle 24, arc transition is all arranged with regard to the obverse and reverse of board of education 60 in that, these arc transitions are set,
It is to cooperate with the arc transition of the first engaging portion 243, when further decreasing plug when board of education 60 is inserted into or is extracted
Resistance.
As shown in figure 3, also can be set according to actual needs one group or one group or more of number for the second buckle 35
Amount, every group second buckle 35 includes the second buckle 351, the second shaft 352 and return spring, in second buckle 351
Portion is rotatably connected on the second balladeur train 32 by the second shaft 352, and second shaft 352 is horizontally disposed, the return spring
It covers in the second shaft 352, one end of the return spring is withstood on the second balladeur train 32, and the other end of return spring withstands on second
On buckle, the through-hole 221 communicated with the second through slot 33, the front of second buckle are provided on the side wall of second balladeur train 32
By going deep into the second through slot 33.Second buckle 35 is in order to stabilized lateral stressed, by the way of being vertically arranged.
More specifically, the front of second buckle is the second engaging portion 353 protruded towards board of education 60, described second
Engaging portion 353 is cuboid, and the right card slot 62 of the board of education 60 is rectangular channel, and the top surface of second engaging portion 353 is work
To make face and right card slot 62 cooperates snapping, the top surface of the second engaging portion 353 and the top surface of right card slot 62 are cooperated using plane-plane contact, and
And all be horizontal plane, accordingly even when the power by vertical direction, the second buckle 351 will not be deviate from out of right card slot 62.
But in order to more convenient in disassembly, the rear portion of second buckle 351 is handle, by squeeze grip, just
The second engaging portion 353 can be made to deviate from out of right card slot 62, but since the second buckle is rotated in vertical direction, in order to
Operation is reduced when board of education 60 inserts or pull out, and slide bar 321 is set on the second balladeur train 32, retaining ring is set on slide bar 321
322, when board of education 60 is inserted into or is extracted, the handle of the second buckle 351 is inserted into retaining ring 322, so as to keep
Second buckle 351 is in the state opened, and would be much more convenient in this way when board of education 60 is inserted into or is extracted.
And after board of education 60 installs, board of education 60 is raised to suitable height, for fixing the mode of board of education 60,
Board of education 60 can be pulled up using traditional lifting rope, the mode for then fastening lifting rope, better mode is that second is perpendicular certainly
It is provided with several fixation holes 36 communicated with the second vertical chute 31 on the side wall of beam 30, is inserted with fixed pin in the fixation hole 36
37, after board of education 60 is raised to proper height, by fixed pin 37 being inserted into the fixation hole 36 of proper height, fixed pin 37
Second balladeur train 32 is lifted from the bottom of the second balladeur train 32, fixes the position of entire board of education 60, it is comparatively, this
Fixed form insures the most and safety.
Certainly, in order to reduce the height that board of education 60 is lifted in insertion or extraction, the bottom that is connected with the second vertical beam 30
The secondary sliding slot 11 communicated with gliding groove 51 on lower beam 50 is provided on seat 10, such board of education 60 can be from secondary sliding slot 11 when being inserted into
It slides into gliding groove 51, had both guaranteed 60 line of travel of board of education, also the bottom of board of education 60 is protected, friction is slided in reduction
Power.
In use, after the left side of board of education is sequentially passed through the first through slot 34 and the second through slot 33 from the second vertical beam side,
The bottom of board of education is slided on gliding groove, is inserted into the first fixing groove 23 on the first balladeur train 22, then by the first card
Button 24 is stuck in the left card slot 61 on the left of board of education, then bleeds off retaining ring 322, and the second buckle 35 is allowed to be caught in the right card on the right side of board of education
In slot 62, then entire board of education is lifted up, the first balladeur train slides in the first vertical chute, and the second balladeur train is perpendicular second
Sliding in straight runner is raised to suitable position, then fixed pin 37 is inserted into the fixation hole 36 of corresponding height, completes board of education
Installation, finally fixes the electric elements 63 for needing teaching practice, so that it may start to simulate real patching operations on the teaching board
?.Tear board of education open if necessary, then reverse operating.
Above is only a specific embodiment of the present invention, but technical characteristic of the invention is not limited thereto, Ren Heben
Within the field of the present invention, made changes or modifications all cover within the scope of the patent of the present invention the technical staff in field.
Claims (9)
1. a kind of electric power metering device teaching aid, it is characterised in that: including pedestal (10), the first vertical beam (20), the second vertical beam
(30), upper beam (40), lower beam (50) and board of education (60), there are two the pedestals (10), fixed on a pedestal (10)
There are the first vertical beam (20), be fixed with the second vertical beam (30) on another pedestal (10), the top of the first vertical beam (20) and second is erected
The top of beam (30) is fixedly connected by upper beam (40), the bottom of first vertical beam (20) and the bottom of the second vertical beam (30)
It is fixedly connected by lower beam (50), is provided with gliding groove (51) on the lower beam (50)；
The first vertical chute (21) towards the second vertical beam (30), first vertical chute are provided on first vertical beam (20)
(21) the first balladeur train (22) are equipped in, the first fixing groove (23) towards the second vertical beam, institute are provided on first balladeur train (22)
It states the first balladeur train (22) and is equipped with the first buckle (24) protruded into the first fixing groove (23), set on the left of the board of education (60)
There is the compatible left card slot (61) with the first buckle (24)；
The second vertical chute (31) towards the first vertical beam (20), second vertical chute are provided on second vertical beam (30)
(31) the second balladeur train (32) are equipped in, the second through slot (33) towards the first balladeur train (22) is provided on second balladeur train (32),
The lower part of second vertical beam (30) is provided with backwards to the face of the first vertical beam (20) and communicates the first through slot with the second vertical chute (31)
(34), first through slot (34) communicates with the second through slot (33), and second balladeur train (32) is equipped with and protrudes into the second through slot
(33) the second buckle (35) in, the right side of the board of education (60) are equipped with the compatible right card slot with the second buckle (35)
(62)；
One end of the gliding groove (51) connects with the first vertical chute (21), and the other end of the gliding groove (51) and second erects
Straight runner (31) connects, and the first through slot (34) is sequentially passed through on the left of the board of education (60) and the second through slot (33) is inserted into afterwards
The height of one fixing groove (23), first through slot (34) and the second through slot (33) is equal to the height of board of education (60), and described the
The height of two balladeur trains (32) is greater than the height of board of education (60)；
The electric elements (63) for simulating real wiring scene are fixed on the board of education (60).
2. a kind of electric power metering device teaching aid as described in claim 1, it is characterised in that: the first buckle (24) packet
The first buckle (241), first rotating shaft (242) and return spring are included, passes through first rotating shaft in the middle part of first buckle (241)
(242) it is rotatably connected on the first balladeur train (22), the first rotating shaft (242) is vertically arranged, and the return spring is covered first
In shaft (242), described return spring one end is withstood on the first balladeur train (22), and the other end of return spring withstands on the first buckle
(241) on, it is provided with the through-hole (221) communicated with the first fixing groove (23) on the side wall of first balladeur train (22), described first
The front of buckle (241) is protruded into the first fixing groove (23) by through-hole (221).
3. a kind of electric power metering device teaching aid as claimed in claim 2, it is characterised in that: first buckle (241)
Front be the first engaging portion (243) protruded towards board of education (60), first engaging portion (243) is set as cuboid, institute
The first engaging portion (243) are stated towards the face of the first fixing groove (23) opening direction and are justified towards being equipped between the face of board of education (60)
Arc transition, face of first engaging portion (243) backwards to the first fixing groove (23) opening direction and the face towards board of education (60)
Between also be provided with arc transition.
4. a kind of electric power metering device teaching aid as claimed in claim 2, it is characterised in that: a left side for the board of education (60)
Arc transition is equipped between end face and the front and/or reverse side of board of education (60), the left card slot (61) is rectangular channel, described
Circular arc mistake is equipped in left card slot (61) between the face of board of education (60) left side and the front and/or reverse side of board of education (60)
It crosses.
5. a kind of electric power metering device teaching aid as described in claim 1, it is characterised in that: the second buckle (35) packet
The second buckle (351), the second shaft (352) and return spring are included, the middle part of second buckle (351) passes through the second shaft
(352) it is rotatably connected on the second balladeur train (32), second shaft (352) is horizontally disposed, and the return spring is covered second
In shaft (352), one end of the return spring is withstood on the second balladeur train (32), and the other end of return spring withstands on the second buckle
On, the through-hole (221) communicated with the second through slot (33) is provided on the side wall of second balladeur train (32), before second buckle
Portion is by going deep into the second through slot (33).
6. a kind of electric power metering device teaching aid as claimed in claim 5, it is characterised in that: the front of second buckle
For the second engaging portion (353) protruded towards board of education (60), second engaging portion (353) is cuboid, the board of education
(60) right card slot (62) is rectangular channel, and the top surface of second engaging portion (353) is that working face and right card slot (62) cooperation are detained
It connects.
7. a kind of electric power metering device teaching aid as claimed in claim 5, it is characterised in that: second buckle (351)
Rear portion be handle, second balladeur train (32) be equipped with slide bar (321), the slide bar (321) be equipped with retaining ring (322), teaching
When learning plate (60) across the second through slot (33), handle is inserted into retaining ring (322), and the front of the second buckle (351) is kept not protrude into
In the through-hole (221) of second balladeur train (32).
8. a kind of electric power metering device teaching aid as described in claim 1, it is characterised in that: second vertical beam (30)
It is provided with several fixation holes (36) communicated with the second vertical chute (31) on side wall, is inserted with fixed pin in the fixation hole (36)
(37)。
9. a kind of electric power metering device teaching aid as described in claim 1, it is characterised in that: be connected with the second vertical beam (30)
Pedestal (10) on be provided with the secondary sliding slot (11) communicated with gliding groove (51) on lower beam (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030484.9A CN109147511A (en) | 2018-09-05 | 2018-09-05 | A kind of electric power metering device teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811030484.9A CN109147511A (en) | 2018-09-05 | 2018-09-05 | A kind of electric power metering device teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109147511A true CN109147511A (en) | 2019-01-04 |
Family
ID=64826912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811030484.9A Pending CN109147511A (en) | 2018-09-05 | 2018-09-05 | A kind of electric power metering device teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109147511A (en) |
Citations (6)
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|---|---|---|---|---|
| CA2070844A1 (en) * | 1992-06-09 | 1993-12-10 | Ahn S. Gwang | Apparatus for unloading from an open freight car |
| CN205068865U (en) * | 2015-10-30 | 2016-03-02 | 国网浙江省电力公司丽水供电公司 | Low -pressure measurement gathers teaching device |
| CN206911395U (en) * | 2017-07-04 | 2018-01-23 | 容思行 | A kind of multifunctional biological experiment pallet |
| CN207110780U (en) * | 2017-07-19 | 2018-03-16 | 上海冉能自动化科技有限公司 | Door closer Automatic-reset buckle structure |
| CN207121201U (en) * | 2017-09-25 | 2018-03-20 | 晋城富泰华精密电子有限公司 | Automatic feeding |
| CN207275672U (en) * | 2017-08-23 | 2018-04-27 | 重庆桃园金属表面处理有限公司 | A kind of level land transport lifting device of electroplating mold |
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2018
- 2018-09-05 CN CN201811030484.9A patent/CN109147511A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2070844A1 (en) * | 1992-06-09 | 1993-12-10 | Ahn S. Gwang | Apparatus for unloading from an open freight car |
| CN205068865U (en) * | 2015-10-30 | 2016-03-02 | 国网浙江省电力公司丽水供电公司 | Low -pressure measurement gathers teaching device |
| CN206911395U (en) * | 2017-07-04 | 2018-01-23 | 容思行 | A kind of multifunctional biological experiment pallet |
| CN207110780U (en) * | 2017-07-19 | 2018-03-16 | 上海冉能自动化科技有限公司 | Door closer Automatic-reset buckle structure |
| CN207275672U (en) * | 2017-08-23 | 2018-04-27 | 重庆桃园金属表面处理有限公司 | A kind of level land transport lifting device of electroplating mold |
| CN207121201U (en) * | 2017-09-25 | 2018-03-20 | 晋城富泰华精密电子有限公司 | Automatic feeding |
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Application publication date: 20190104 |