CN210925019U - Portable electric traction practical training examination box - Google Patents
Portable electric traction practical training examination box Download PDFInfo
- Publication number
- CN210925019U CN210925019U CN201922313900.2U CN201922313900U CN210925019U CN 210925019 U CN210925019 U CN 210925019U CN 201922313900 U CN201922313900 U CN 201922313900U CN 210925019 U CN210925019 U CN 210925019U
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- bottom plate
- groove
- fixed
- box body
- outer box
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Abstract
The utility model relates to the technical field of electric power experiment training devices, in particular to a portable electric traction training examination box, wherein a power supply is fixed inside an outer box body; a bottom plate is arranged in the outer box body; the width of the bottom plate is equal to the width of the inner cavity of the outer box body; a circle of groove is arranged on the inner side wall of the outer box body; pulleys are arranged on the left side and the right side of the bottom plate; a conductive spring is fixed on the edge of the bottom plate; the number of the conductive springs is equal to that of the conductive sheets; each conductive spring is respectively pressed on each conductive sheet in a one-to-one correspondence manner; one end of the bottom plate, which is far away from the conductive spring, is inserted into the fourth groove; the surface of the bottom plate is fixed with a fixing plate. Use the utility model discloses the time, real standard examination case convenient to carry of this structure, the fixed plate has the guard action to the bottom plate when carrying moreover, prevents that electrical components on the fixed plate from receiving the damage.
Description
Technical Field
The utility model relates to an electric power experiment trainer technical field, in particular to real case of examining of instructing of portable electric power traction.
Background
The practical training demonstration and assessment system is assessment equipment for practical training teaching and practical training assessment of low-voltage electrician electric traction practical training items of primary and intermediate electricians and special operations, for example, the practical training items of the intermediate electrician electric traction: the installation and debugging of the double-interlocking forward and reverse rotation control circuit with the dynamic braking, the installation and debugging of the star-triangle step-down starting control circuit with the direct-current dynamic braking, the installation and debugging of the automatic speed change control circuit of the double-speed three-phase asynchronous motor and the installation and debugging of the four-point limit control circuit of the three-phase asynchronous motor are all completed on a practical training demonstration and examination system.
However, the existing practical training demonstration and assessment system is fixed on an insulating plate through various components or terminals, and is convenient to use and simple in structure; however, the practical training demonstration and examination system with the plate-type structure is inconvenient to carry, and no matter the electronic components or the terminals are not protected, the electronic components or the terminals are easy to damage in the transportation process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a real standard examination case of portable electric power traction to prior art's defect and not enough.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model relates to a portable electric traction training examination box, which comprises an outer box body with an open top surface; a power supply is fixed inside the outer box body; a bottom plate is arranged inside the outer box body; the width of the bottom plate is equal to the width of the inner cavity of the outer box body; a circle of groove is formed in the inner side wall of the outer box body in a surrounding mode; the grooves consist of a first groove, a second groove, a third groove and a fourth groove; pulleys are arranged on the left side and the right side of the bottom plate; the diameter of the pulley is equal to the width of the groove; one pulley is embedded into the first groove; the other pulley is embedded into the third groove;
at least two conducting strips are fixed in the second groove; a conductive spring is fixed on the edge of the bottom plate; the number of the conductive springs is equal to that of the conductive sheets; each conductive spring is respectively pressed on each conductive sheet in a one-to-one correspondence manner; one end of the bottom plate, which is far away from the conductive spring, is inserted into the fourth groove; and a fixing plate is fixed on the surface of the bottom plate.
Furthermore, a drawer hole is formed in the side wall of the outer box body; a drawer is arranged in the drawer hole; a drawer handle is fixed on the drawer.
Further, a bottom plate handle is fixed on the bottom plate.
After the structure is adopted, the utility model discloses beneficial effect does: the utility model relates to a portable electric traction practical training examination box, a power supply is fixed in the outer box body; a bottom plate is arranged in the outer box body; the width of the bottom plate is equal to the width of the inner cavity of the outer box body; a circle of groove is arranged on the inner side wall of the outer box body; the groove consists of a first groove, a second groove, a third groove and a fourth groove; pulleys are arranged on the left side and the right side of the bottom plate; the diameter of the pulley is equal to the width of the groove; one pulley is embedded into the first groove; the other pulley is embedded into the third groove; at least two conducting strips are fixed in the second groove; a conductive spring is fixed on the edge of the bottom plate; the number of the conductive springs is equal to that of the conductive sheets; each conductive spring is respectively pressed on each conductive sheet in a one-to-one correspondence manner; one end of the bottom plate, which is far away from the conductive spring, is inserted into the fourth groove; the surface of the bottom plate is fixed with a fixing plate. When the utility model is used, when an experiment is needed, one surface of the bottom plate with the fixed plate faces outwards; the fixed plate is used for fixing electrical components, and an indication area and a key area are arranged on the fixed plate; the circuit on the fixed plate is communicated with a power supply through the conducting strip and the conducting spring, the conducting spring is used for communicating the circuit and also provides a supporting force for the bottom plate, so that the bottom plate is inserted into and tightly pressed on the fourth groove and then matched with the pulley, the positioning of the bottom plate on the outer box body is realized, and the conducting spring plays a role in preventing looseness; when the experiment is not needed, the acting force of the conductive spring is overcome, the bottom plate is pushed towards the direction of the second groove until the bottom plate is released from the fourth groove, the bottom plate is turned around the pulley, and the end with the conductive spring slides towards the direction of the fourth groove, so that the end with the conductive spring on the bottom plate is inserted into the fourth groove and compresses the spring, and the end, far away from the compression spring, of the bottom plate is inserted into the second groove; the fixing of the bottom plate is realized, at the moment, the fixing plate is disconnected with a power supply, and the fixing plate is arranged on the inner side surface of the bottom plate and has a protection effect on the surface of the fixing plate; the practical training examination box with the structure is convenient to carry, and the fixed plate has a protection effect on the bottom plate when being carried, so that electric appliance elements on the fixed plate are prevented from being damaged.
Drawings
Fig. 1 is a top view of the present invention;
FIG. 2 is a front view of the drawer of the present invention after being pulled out;
FIG. 3 is a schematic view of the fixing plate fixed to the base plate;
FIG. 4 is an internal structure view of the outer case;
description of reference numerals:
1. a fixing plate; 2. an outer case; 201. a first groove; 202. a second groove;
203. a third groove; 204. a fourth groove; 205. a drawer hole; 3. a floor handle; 4. a base plate;
5. a drawer; 501. a drawer handle; 6. a conductive sheet; 7. a power source; 8. a pulley;
9. a conductive spring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model relates to a portable electric traction training examination box, which comprises an outer box body 2 with an open top surface; a power supply 7 is fixed inside the outer box 2; the power supply 7 supplies power to the whole training and examining box; a bottom plate 4 is arranged in the outer box body 2; the width of the bottom plate 4 is equal to the width of the inner cavity of the outer box body 2; a circle of groove is formed in the inner side wall of the outer box body 2 in a surrounding mode; the grooves are composed of a first groove 201, a second groove 202, a third groove 203 and a fourth groove 204; pulleys 8 are arranged on the left side and the right side of the bottom plate 4; the diameter of the pulley 8 is equal to the width of the groove; one of the pulleys 8 is embedded in the first groove 201; another pulley 8 is inserted into the third groove 203;
at least two conducting strips 6 are fixed in the second groove 202; the conducting strip 6 is electrically connected to the power supply 7; a conductive spring 9 is fixed on the edge of the bottom plate 4; the number of conductive springs 9 is equal to the number of conductive strips 6; each conductive spring 9 is pressed on each conductive sheet 6 in a one-to-one correspondence manner; one end of the bottom plate 4 far away from the conductive spring 9 is inserted into the fourth groove 204; a fixing plate 1 is fixed on the surface of the bottom plate 4; when an experiment is needed, one surface of the bottom plate 4 with the fixing plate 1 faces outwards; the fixed plate 1 is used for fixing electrical components, and is provided with an indication area and a key area; the circuit on the fixed plate 1 is connected with the power supply 7 through the conducting strip 6 and the conducting spring 9, the conducting spring 9 is used for connecting the circuit and also provides a supporting force for the bottom plate 4, so that the bottom plate 4 is inserted into and pressed on the fourth groove 204 and then matched with the pulley 8, the positioning of the bottom plate 4 on the outer box body 2 is realized, and the conducting spring 9 plays a role in preventing looseness; when the experiment is not needed, the acting force of the conductive spring 9 is overcome, the bottom plate 4 is pushed towards the direction of the second groove 202 until the bottom plate 4 is released from the fourth groove 204, the bottom plate is overturned around the pulley 8, and the end with the conductive spring 9 slides towards the direction of the fourth groove 204, so that the end with the conductive spring 9 on the bottom plate 4 is inserted into the fourth groove 204, the spring 9 is compressed, and the end, far away from the compression spring 9, of the bottom plate 4 is inserted into the second groove 202; the fixing of the bottom plate 4 is realized, at the moment, the fixing plate 1 is disconnected from the power supply 7, and the fixing plate 1 is arranged on the inner side surface of the bottom plate 4, so that the surface of the fixing plate 1 is protected; the practical training examination box with the structure is convenient to carry, and the fixing plate 1 has a protection effect on the bottom plate 4 when being carried, so that electric appliance elements on the fixing plate 1 are prevented from being damaged.
As a preferable mode of the present invention, a drawer hole 205 is formed on the side wall of the outer box 2; a drawer 5 is arranged in the drawer hole 205; a drawer handle 501 is fixed on the drawer 5; the drawer 5 is locked and fixed with the outer box body 2 through a lock body, and the drawer 5 is used for placing tools such as wire strippers, straight screwdrivers, cross screwdrivers, universal meters, protective tubes and the like; the drawer handle 501 serves as a handle for the entire outer case 2 when the drawer is locked by the lock body, in addition to being able to pull out the drawer 5.
As a preferred mode of the present invention, a bottom plate handle 3 is fixed on the bottom plate 4.
When the utility model is used, when an experiment is needed, one surface of the bottom plate with the fixed plate faces outwards; the fixed plate is used for fixing electrical components, and an indication area and a key area are arranged on the fixed plate; the circuit on the fixed plate is communicated with a power supply through the conducting strip and the conducting spring, the conducting spring is used for communicating the circuit and also provides a supporting force for the bottom plate, so that the bottom plate is inserted into and tightly pressed on the fourth groove and then matched with the pulley, the positioning of the bottom plate on the outer box body is realized, and the conducting spring plays a role in preventing looseness; when the experiment is not needed, the acting force of the conductive spring is overcome, the bottom plate is pushed towards the direction of the second groove until the bottom plate is released from the fourth groove, the bottom plate is turned around the pulley, and the end with the conductive spring slides towards the direction of the fourth groove, so that the end with the conductive spring on the bottom plate is inserted into the fourth groove and compresses the spring, and the end, far away from the compression spring, of the bottom plate is inserted into the second groove; the fixing of the bottom plate is realized, at the moment, the fixing plate is disconnected with a power supply, and the fixing plate is arranged on the inner side surface of the bottom plate and has a protection effect on the surface of the fixing plate; the practical training examination box with the structure is convenient to carry, and the fixed plate has a protection effect on the bottom plate when being carried, so that electric elements on the fixed plate are prevented from being damaged; the drawer is locked and fixed with the outer box body through a lock body and is used for placing tools such as wire stripping pliers, a straight screwdriver, a cross screwdriver, a universal meter, a protective tube and the like; the drawer handle is used as a handle of the whole outer box body when the drawer is locked by the lock body except that the drawer can be pulled out.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (3)
1. The utility model provides a real standard examination case of portable electric traction which characterized in that: it comprises an outer box body (2) with an open top surface; a power supply (7) is fixed inside the outer box body (2); a bottom plate (4) is arranged in the outer box body (2); the width of the bottom plate (4) is equal to the width of the inner cavity of the outer box body (2); a circle of groove is formed in the inner side wall of the outer box body (2) in a surrounding mode; the grooves consist of a first groove (201), a second groove (202), a third groove (203) and a fourth groove (204); pulleys (8) are arranged on the left side and the right side of the bottom plate (4); the diameter of the pulley (8) is equal to the width of the groove; one pulley (8) is embedded into the first groove (201); another pulley (8) is embedded into the third groove (203);
at least two conducting strips (6) are fixed in the second groove (202); a conductive spring (9) is fixed on the edge of the bottom plate (4); the number of the conductive springs (9) is equal to that of the conductive sheets (6); each conductive spring (9) is pressed on each conductive sheet (6) in a one-to-one correspondence manner; one end of the bottom plate (4) far away from the conductive spring (9) is inserted into the fourth groove (204); and a fixing plate (1) is fixed on the surface of the bottom plate (4).
2. The portable electric traction practical training assessment box according to claim 1, characterized in that: a drawer hole (205) is formed in the side wall of the outer box body (2); a drawer (5) is arranged in the drawer hole (205); a drawer handle (501) is fixed on the drawer (5).
3. The portable electric traction practical training assessment box according to claim 1, characterized in that: a bottom plate handle (3) is fixed on the bottom plate (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313900.2U CN210925019U (en) | 2019-12-20 | 2019-12-20 | Portable electric traction practical training examination box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922313900.2U CN210925019U (en) | 2019-12-20 | 2019-12-20 | Portable electric traction practical training examination box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210925019U true CN210925019U (en) | 2020-07-03 |
Family
ID=71346815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922313900.2U Expired - Fee Related CN210925019U (en) | 2019-12-20 | 2019-12-20 | Portable electric traction practical training examination box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210925019U (en) |
-
2019
- 2019-12-20 CN CN201922313900.2U patent/CN210925019U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200703 Termination date: 20201220 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |