CN216926040U - Test bed - Google Patents
Test bed Download PDFInfo
- Publication number
- CN216926040U CN216926040U CN202123032348.3U CN202123032348U CN216926040U CN 216926040 U CN216926040 U CN 216926040U CN 202123032348 U CN202123032348 U CN 202123032348U CN 216926040 U CN216926040 U CN 216926040U
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- China
- Prior art keywords
- upper cover
- shaft
- motor
- cabin body
- nut
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Abstract
The utility model discloses a test bed, which comprises a bottom plate; the cabin body is arranged on the bottom plate, and an accommodating cavity is arranged in the cabin body; the upper cover is positioned above the cabin body and used for closing the accommodating cavity; a bottom connecting seat fixed on the bottom plate; the rotating shaft is fixedly connected with the upper cover; a lifting shaft arranged on the bottom connecting seat; the lifting shaft is driven to lift, the first contact switch is fixedly arranged on the bottom connecting seat, the contact block is fixed on the rotating shaft, the contact switch is electrically connected with the motor, and the contact switch controls the motor to be electrified only when the contact block is in contact with the contact switch. In addition, the contact block and the contact switch are arranged to prevent the upper cover and the cabin body from being misaligned so that the cabin body cannot be closed safely.
Description
Technical Field
The utility model relates to a test bed.
Background
In the prior art, a test bed comprises a cabin body and a hatch cover, and when a test is performed, equipment to be tested is placed in the cabin body of the test bed, and the hatch cover is closed.
Such a test stand has the following drawbacks:
(1) the hatch cover cannot be automatically opened;
(2) and when the hatch cover is not on the same straight line with the center of the cabin body, the hatch cover is opened and closed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a test bed which effectively solves the technical problems.
In order to solve the above problems, the present invention provides a test stand, comprising:
a base plate;
the cabin body is arranged on the bottom plate, and an accommodating cavity is arranged in the cabin body;
the upper cover is positioned above the cabin body and used for closing the containing cavity;
a bottom connecting base fixed on the bottom plate;
the rotating shaft is fixedly connected with the upper cover and is rotationally connected to the bottom connecting seat;
the lifting shaft is arranged on the bottom connecting seat and fixedly connected with the upper cover;
the driving device is used for driving the lifting shaft to lift and comprises a motor and a transmission mechanism, wherein the motor is installed on the rotating shaft, and the transmission mechanism is installed on the lifting shaft and is used for converting the torque output by the motor into linear motion;
the contact switch is fixedly arranged on the bottom connecting seat and fixed on the contact block of the rotating shaft, the contact switch is electrically connected with the motor, and the contact switch controls the motor to be electrified only when the contact block is in contact with the contact switch.
As a further improvement of the present invention, the transmission mechanism includes a screw rod, and a nut fixedly connected with the upper cover, and the nut and the upper cover are matched in shape to enable the rotation freedom of the nut.
As a further improvement of the utility model, the two screw rods are arranged in parallel, and the nut on each screw rod is fixed with the upper cover.
As a further improvement of the utility model, the nut further comprises an auxiliary mounting shaft fixed with the rotating shaft, the auxiliary mounting shaft is parallel to the screw rod and is provided with a sliding sleeve which is positioned on the same horizontal position with the nut, and the sliding sleeve is fixed on the upper cover and can slide along the vertical axis of the auxiliary mounting shaft.
As a further improvement of the utility model, an uplink limiting block and a downlink limiting block are arranged on the screw rod or the rotating shaft and are respectively used for limiting the top stroke and the bottom stroke of the upper cover.
The cabin has the beneficial effects that the rotating shaft and the lifting shaft are arranged, the upper cover of the cabin body is opened by driving the upper cover to lift through the lifting shaft or rotating the rotating shaft, and in addition, the contact block and the contact switch are arranged, so that the situation that the centers of the upper cover and the cabin body are not overlapped and the cabin body cannot be closed safely is prevented.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a top view of the cover of the present invention after rotation.
In the figure: 2-a bottom plate; 4-a cabin body; 6-covering; 8-a rotating shaft; 10-a lifting shaft; 12-bottom connection base; and 14-a screw rod.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1-3, the present invention comprises:
a base plate 2;
a cabin body 4 arranged on the bottom plate 2, wherein an accommodating cavity is arranged in the cabin body 4;
an upper cover 6 positioned above the cabin 4 and used for closing the containing cavity;
a bottom coupling seat 12 fixed to the base plate 2;
the rotating shaft 8 is fixedly connected with the upper cover 6, and the rotating shaft 8 is rotatably connected to the bottom connecting seat 12;
the lifting shaft 10 is arranged on the bottom connecting seat 12, and the lifting shaft 10 is fixedly connected with the upper cover 6;
the driving device is used for driving the lifting shaft 10 to lift and comprises a motor and a transmission mechanism, the motor is installed on the rotating shaft 8, and the transmission mechanism is installed on the lifting shaft 10 and is used for converting the torque output by the motor into linear motion;
the contact switch is fixedly arranged on the bottom connecting seat 12 and the contact block is fixed on the rotating shaft 8, the contact switch is electrically connected with the motor, and the contact switch controls the motor to be electrified only when the contact block is in contact with the contact switch.
According to the utility model, the rotating shaft 8 and the lifting shaft 10 are arranged, the upper cover 6 is driven to lift by the lifting shaft 10 or the upper cover 6 of the cabin body 4 is opened by the rotation of the rotating shaft 8, and in addition, the contact block and the contact switch are arranged, so that the situation that the centers of the upper cover 6 and the cabin body 4 are not superposed and the cabin body 4 cannot be safely closed is prevented.
As a further development of the utility model, the transmission mechanism comprises a screw 14 and a nut fixedly connected to the upper cover 6, the nut and the upper cover 6 being positively engaged to enable the nut to have a rotational degree of freedom.
The motor rotates, the screw rod 14 is driven to rotate through the transmission device, and the screw rod 14 is in threaded fit with the nut, so that the rotary motion of the screw rod 14 is converted into the lifting motion of the nut, and the lifting of the upper cover 6 is driven.
As a further improvement of the present invention, two parallel lead screws 14 are provided, and the nut on each lead screw 14 is fixed with the upper cover 6.
The number of the screw rods 14 is two, and the two nuts are fixed with the upper cover 6, so that the rotation of the nuts is limited, and the nuts drive the upper cover 6 to move up and down when the screw rods 14 rotate.
As a further improvement of the present invention, the present invention further comprises an auxiliary mounting shaft fixed to the rotating shaft 8, the auxiliary mounting shaft is parallel to the screw 14, and is provided with a sliding sleeve located at the same horizontal position as the nut, and the sliding sleeve is fixed to the upper cover 6 and can slide along a vertical axis of the auxiliary mounting shaft.
The auxiliary mounting shaft and the sliding sleeve are arranged, so that the rotation motion of the nut is limited, and the nut is further ensured to drive the upper cover 6 to do lifting motion when the screw rod 14 rotates.
As a further improvement of the present invention, an upward limiting block and a downward limiting block are disposed on the screw rod 14 or the rotating shaft 8, and are respectively used for limiting the top stroke and the bottom stroke of the upper cover 6.
Set up and go up spacing and down stopper, guarantee when upper cover 6 risees to a certain height motor self-closing motor (prevent misoperation 6 ejection column of revolution of upper cover), set up down stopper, when setting up it just closed at upper cover 6 and the cabin body 4, guarantee to guarantee that upper cover 6 can not excessively extrude the cabin body 4
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (5)
1. A test stand, comprising:
a base plate (2);
a cabin body (4) arranged on the bottom plate (2), wherein an accommodating cavity is arranged in the cabin body (4);
an upper cover (6) positioned above the cabin body (4) and used for closing the containing cavity;
a bottom connecting seat (12) fixed on the bottom plate (2);
the rotating shaft (8) is fixedly connected with the upper cover (6), and the rotating shaft (8) is rotatably connected to the bottom connecting seat (12);
the lifting shaft (10) is arranged on the bottom connecting seat (12), and the lifting shaft (10) is fixedly connected with the upper cover (6);
the driving device is used for driving the lifting shaft (10) to lift and comprises a motor and a transmission mechanism, wherein the motor is installed on the rotating shaft (8), and the transmission mechanism is installed on the lifting shaft (10) and is used for converting torque output by the motor into linear motion;
the motor is characterized by comprising a first contact switch fixedly arranged on the bottom connecting seat (12) and a contact block fixed on the rotating shaft (8), wherein the contact switch is electrically connected with the motor, and the contact switch controls the motor to be electrified only when the contact block is in contact with the contact switch.
2. Test bench according to claim 1, characterized in that the transmission mechanism comprises a screw (14) and a nut fixedly connected with the upper cover (6), the nut and the upper cover (6) being in form fit to enable the nut to have rotational freedom.
3. A test bench according to claim 2, characterized in that the screw rods (14) are arranged in two parallel, and the nut on each screw rod (14) is fixed with the upper cover (6).
4. A test bench according to claim 2, characterized in that it further comprises an auxiliary mounting shaft fixed to the shaft (8), said auxiliary mounting shaft being parallel to the screw (14) and being provided with a sliding sleeve located at the same level as the nut, said sliding sleeve being fixed to the upper cover (6) and being able to slide along the vertical axis of the auxiliary mounting shaft.
5. A test bench as claimed in claim 3 or 4, characterized in that the screw (14) or the shaft (8) is provided with an upward limit block and a downward limit block for limiting the top stroke and the bottom stroke of the upper cover (6), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032348.3U CN216926040U (en) | 2021-12-02 | 2021-12-02 | Test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123032348.3U CN216926040U (en) | 2021-12-02 | 2021-12-02 | Test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216926040U true CN216926040U (en) | 2022-07-08 |
Family
ID=82250488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123032348.3U Active CN216926040U (en) | 2021-12-02 | 2021-12-02 | Test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216926040U (en) |
-
2021
- 2021-12-02 CN CN202123032348.3U patent/CN216926040U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |