CN221300811U - Automatic lifting device suitable for vehicle-mounted small-sized radar turntable - Google Patents
Automatic lifting device suitable for vehicle-mounted small-sized radar turntableInfo
- Publication number
- CN221300811U CN221300811U CN202323357369.1U CN202323357369U CN221300811U CN 221300811 U CN221300811 U CN 221300811U CN 202323357369 U CN202323357369 U CN 202323357369U CN 221300811 U CN221300811 U CN 221300811U
- Authority
- CN
- China
- Prior art keywords
- radar
- base
- supporting arm
- lifting device
- automatic lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009434 installation Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000002411 adverse Effects 0.000 abstract 1
- 241000227287 Elliottia pyroliflora Species 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Abstract
The utility model discloses an automatic lifting device suitable for a vehicle-mounted small-sized radar turntable, which comprises a turntable, a base, a radar mounting platform, a first supporting arm, a second supporting arm and an electric push rod, wherein the first supporting arm is connected with the base; the base is fixedly connected with a rotary table at the lower part of the base, the radar mounting platform is fixedly connected with a radar at the upper part of the radar mounting platform, the first end of the supporting arm is respectively and rotatably connected with the base and the radar mounting platform through a pin shaft, the second end of the supporting arm is respectively and rotatably connected with the base and the radar mounting platform through a pin shaft, and the two ends of the electric push rod are respectively and rotatably connected with the first end of the supporting arm and the base through a pin shaft. This novel compact structure, bearing capacity is strong, can bear wind load and vibration impact, adapts to outdoor and on-vehicle transportation's adverse circumstances.
Description
Technical Field
The utility model relates to the technical field of automatic lifting devices, in particular to an automatic lifting device which is particularly suitable for a vehicle-mounted small-sized radar turntable.
Background
In the use process of the small-sized radar turntable, mobility requirements are always met, and the requirements of the vehicle-mounted radar turntable are increased. Compared with a long-term fixed radar turntable, the vehicle-mounted radar turntable is required to be small in weight, high in bearing capacity and high in self-weight load ratio. However, the existing vehicle-mounted radar turntable mostly uses a fixed bracket to lift the radar, which leads to the fact that after the radar works, or the radar and the fixed bracket are disassembled and stored, so that the maneuverability is greatly reduced; or occupy a large space for overall storage, so that the originally limited space in the vehicle is further compressed. And few vehicle-mounted radar turntables using automatic lifting devices to lift the radar are limited by the gravity center deviation of the radar, so that the load capacity is required to be sacrificed or the self weight is required to be increased, and the purpose of resisting vehicle-mounted impact is achieved.
Disclosure of utility model
The utility model aims to provide an automatic lifting device which solves or at least alleviates the problems existing in the prior art and is suitable for a vehicle-mounted small-sized radar turntable.
The technical scheme adopted by the utility model is as follows:
An automatic lifting device suitable for a vehicle-mounted small-sized radar turntable comprises a turntable, a base, a radar mounting platform, a first supporting arm, a second supporting arm and an electric push rod;
The base is fixedly connected with a rotary table at the lower part of the base, the radar mounting platform is fixedly connected with a radar at the upper part of the radar mounting platform, the first end of the supporting arm is respectively and rotatably connected with the base and the radar mounting platform through a pin shaft, the second end of the supporting arm is respectively and rotatably connected with the base and the radar mounting platform through a pin shaft, and the two ends of the electric push rod are respectively and rotatably connected with the first end of the supporting arm and the base through a pin shaft.
Further, the four-bar linkage mechanism composed of the base, the radar mounting platform, the first support arm and the second support arm, wherein the upper ends of the first support arm and the second support arm are connected to the bottom surface of the radar mounting platform, and the lower ends of the first support arm and the second support arm are connected to the upper surface of the base.
Further, when the electric push rod is contracted, the first supporting arm is pushed to rotate around the pin shaft point, and the radar installation platform is lifted; when the electric push rod stretches out, the supporting arm can be pushed to rotate around the pin shaft point, and the radar installation platform is retracted.
Further, two electric push rods are arranged and respectively arranged on two sides of the automatic lifting device, and the two electric push rods synchronously run.
Further, the radar lifting device also comprises a control assembly, wherein the control assembly comprises an inclination sensor and a potentiometer, the inclination sensor is arranged on the radar mounting platform, and the automatic lifting device measures the included angle between the radar and the horizontal plane through the inclination sensor; the potentiometer is arranged inside the electric push rod, and the travel of the electric push rod can be controlled by adjusting the resistance of the potentiometer.
Further, the control assembly further comprises a control box, wherein the control box is arranged on the base and is used for providing power input and action control for the electric push rod.
Further, the gravity centers of the radar and the radar mounting platform and the turntable are all on the same vertical line when the automatic lifting device is in the in-place state and in the in-place lifting state.
Further, a first copper sleeve and a second copper sleeve are respectively arranged in the pin holes of the first support arm and the second support arm.
Further, the first support arm is connected with the base and the radar mounting platform through a connecting pin shaft A and a connecting pin shaft D, the second support arm is connected with the base and the radar mounting platform through a connecting pin shaft B and a connecting pin shaft C, and the connecting pin shafts are in excessive fit with the base and the radar mounting platform and in clearance fit with the first support arm and the second support arm.
The beneficial effects of the utility model are as follows:
The automatic lifting device provided by the utility model has the advantages of small occupied space, stable structure, good longitudinal and transverse stability, no unbalanced load of the turntable and strong vehicle-mounted vibration impact resistance of wind load.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.
Drawings
Fig. 1 is a side view of the automatic lifting device of the present utility model in a retracted state.
Fig. 2 is a schematic view of the A-A direction structure in fig. 1.
Fig. 3 is a side view of the automatic lifting device of the present utility model in a lifted state.
FIG. 4 is a schematic view of the automatic lifting device of the present utility model in a retracted state.
Fig. 5 is a schematic view of the lifting state of the automatic lifting device of the utility model.
FIG. 6 is a schematic view of the automatic lifting device of the present utility model in the lifted and retracted position, wherein the center of gravity of the radar and platform and the center of gravity of the turntable are on the same vertical line.
Description of the reference numerals: 1. radar, 2, a turntable, 3, a base, 4, a radar mounting platform, 5, a first supporting arm, 6, a second supporting arm, 7, an electric push rod, 8, connecting pins A, 9, connecting pins B, 10, connecting pins C, 11, connecting pins D, 12, connecting pins E, 13, a control box, 14, an inclination angle sensor, 51, a copper sleeve and 61.
Detailed Description
The following description of specific embodiments of the utility model is given in conjunction with the accompanying drawings, it being understood that the specific embodiments described herein are merely illustrative and explanatory of the utility model, and are not restrictive of the utility model.
Terms of directions such as up, down, left, right, front, rear, clockwise, counterclockwise and the like mentioned or possible to be mentioned in the present specification are defined with respect to the configurations shown in the drawings, and they are relative concepts, so that they may be changed according to different positions and different use states thereof. These and other directional terms should not be construed as limiting terms.
The utility model relates to an automatic lifting device with small occupied space, stable structure and strong vibration and impact bearing capacity, in particular to an automatic lifting device which drives a connecting rod mechanism to move through an electric push rod so as to finally realize the lifting and withdrawing functions of a platform and a radar.
The device is characterized by comprising a base 3, a radar mounting platform 4, a first supporting arm 5, a second supporting arm 6 and an electric push rod 7.
As shown in fig. 1, the base 3 is fixedly connected with the turntable 2 through screws, the radar mounting platform 4 is fixedly connected with the radar 1 through screws, two ends of the first supporting arm 5 are respectively connected with the base 3 and the radar mounting platform 4 through a connecting pin shaft A8 and a connecting pin shaft D11, two ends of the second supporting arm 6 are respectively connected with the base 3 and the radar mounting platform 4 through a connecting pin shaft B9 and a connecting pin shaft C10, and two ends of the electric push rod 7 are respectively connected with the first supporting arm 5 and the base 3 through a connecting pin shaft C10 and a connecting pin shaft E12.
As shown in fig. 2, the pin holes of the first support arm 5 and the second support arm 6 are respectively provided with a first copper bush 51 and a second copper bush 61, and the connecting pin shaft C10 and the connecting pin shaft D11 are in excessive fit with the base 3 and in clearance fit with the first copper bush 51 and the second copper bush 61. In the lifting and withdrawing process of the device, only relative rotation movement exists between the copper bush and the connecting pin shaft, and the copper bush can play a good lubricating role, so that friction among mechanical parts is effectively reduced, and the abrasion degree of the parts is reduced.
As shown in fig. 2, grooves are respectively formed in the left end and the right end of the connecting pin shaft, and split collars are installed at the two ends after installation, so that the connecting pin shaft is prevented from falling off due to external vibration impact.
As shown in fig. 2, the base 3, the second support arm 6 and the support lug of the electric push rod 7 are integrally designed, so that the weight can be reduced, and the longitudinal vibration and impact resistance can be enhanced.
As shown in fig. 3, when the automatic lifting device lifts in place, an included angle 175 ° is formed between the radar mounting platform 4 and the first support arm 5, and at this time, the force arm L1 of the force applied by the radar mounting platform 4 and the first radar 1 on the first support arm is very small, so that the moment applied by the first support arm 5 is almost 0, and the electric push rod 7 only needs to provide a very small locking force, so that the first support arm can be prevented from rotating around the shaft, and the system stability in the radar working state is greatly ensured.
As shown in fig. 4, two electric push rods 7 are provided and are installed on two sides of the automatic lifting device, and the two electric push rods 7 run synchronously to ensure stability and balance when the radar installation platform 4 is lifted or retracted.
As shown in FIG. 5, the first support arm 5 and the second support arm 6 are respectively manufactured into a whole piece during design, and the middle part is milled thin for weight reduction treatment, so that the strength of the structure can be improved, and the vibration and impact resistance can be enhanced.
The intelligent electric push rod device further comprises a control assembly, wherein the control assembly comprises a control box 13, an inclination angle sensor 14 and an internal potentiometer of the electric push rod 7. The control box 13 is arranged on the base 3 and provides power input and action control for the electric push rod 7; the inclination sensor 14 is arranged on the bottom surface of the radar mounting platform 4, measures the included angle between the radar and the horizontal plane and provides the included angle to the control box 13; the potentiometer in the electric push rod 7 can control the stroke of the electric push rod 7 by adjusting the resistance value of the potentiometer, and the auxiliary control box 13 performs state judgment.
The electric push rod 7 is provided with a trapezoidal screw rod and a motor band-type brake, and when the trapezoidal screw rod is subjected to an external force, the spiral pair cannot reversely rotate due to the self weight and the friction force, so that self-locking is realized; the motor band-type brake can play important roles in braking, load holding, emergency stop, mechanical vibration reduction and the like, and the safety, stability and controllability of the automatic lifting device are greatly improved.
As shown in fig. 6, in the retracted state and the lifted-in state, the centers of gravity of the radar 1 and the radar mounting platform 4 and the turntable 2 are on the same vertical line. The automatic lifting device is withdrawn in place, and the turntable 2 can bear larger vibration impact in the vehicle-mounted transportation process. The radar 1 is lifted in place, and in the rotating working process, the turntable 2 is not unbalanced-loaded, so that the wind resistance is strong, and the overall service life is longer.
Lifting process of the lifting device: when the head of the electric push rod 7 is contracted inwards, the first supporting arm 5 rotates clockwise around the connecting pin shaft D11, the electric push rod 7 rotates clockwise around the connecting pin shaft C10, the second supporting arm 6 rotates clockwise around the connecting pin shaft C10, the radar mounting platform 4 is driven to rotate anticlockwise around the connecting pin shaft A8, and the radar is lifted integrally. When the head of the electric push rod 7 extends outwards, the first supporting arm 5 rotates around the connecting pin shaft D11 in a anticlockwise mode, the electric push rod 7 rotates around the connecting pin shaft C10 in a anticlockwise mode, the second supporting arm 6 rotates around the connecting pin shaft C10 in a anticlockwise mode, the radar mounting platform 4 is driven to rotate around the connecting pin shaft A8 in a clockwise mode, and the whole radar is retracted.
The working process of the radar turntable comprises the following steps: after the lifting device is lifted in place, the electric push rod 7 is powered down, the motor band-type brake is locked, the lower rotary table 2 drives the upper radar 1 to rotate, and the target action is achieved.
Finally, it should be noted that: the above description is for the purpose of illustrating the embodiments of the present utility model and is not to be construed as limiting the utility model, but is intended to cover all modifications, equivalents, improvements and alternatives falling within the spirit and principle of the utility model.
Claims (9)
1. The automatic lifting device suitable for the vehicle-mounted small-sized radar turntable is characterized by comprising a turntable (2), a base (3), a radar mounting platform (4), a first supporting arm (5), a second supporting arm (6) and an electric push rod (7);
The base (3) is fixedly connected with a rotary table (2) at the lower part of the base, the radar installation platform (4) is fixedly connected with a radar (1) at the upper part of the base, two ends of a first supporting arm (5) are respectively connected with the base (3) and the radar installation platform (4) through pin shafts in a rotating mode, two ends of a second supporting arm (6) are respectively connected with the base (3) and the radar installation platform (4) through pin shafts in a rotating mode, and two ends of an electric push rod (7) are respectively connected with the first supporting arm (5) and the base (3) through pin shafts in a rotating mode.
2. The automatic lifting device according to claim 1, wherein the base (3), the radar mounting platform (4), the first support arm (5) and the second support arm (6) are four-bar mechanisms, the upper ends of the first support arm (5) and the second support arm (6) are connected to the bottom surface of the radar mounting platform (4), and the lower ends of the first support arm (5) and the second support arm (6) are connected to the upper surface of the base (3).
3. The automatic lifting device according to claim 1, wherein when the electric push rod (7) is contracted, the first supporting arm (5) is pushed to rotate around the pin shaft point, and the radar mounting platform (4) is lifted; when the electric push rod (7) stretches out, the first supporting arm (5) can be pushed to rotate around the pin shaft point, and the radar installation platform (4) is retracted.
4. An automatic lifting device according to claim 3, characterized in that two electric pushrods (7) are provided, which are operated synchronously on both sides of the automatic lifting device, respectively.
5. The automatic lifting device according to claim 1, further comprising a control assembly, the control assembly comprising an inclination sensor (14) and a potentiometer, the inclination sensor (14) being mounted on the radar mounting platform (4), the automatic lifting device measuring the angle between the radar (1) and the horizontal plane by the inclination sensor (14); the potentiometer is arranged inside the electric push rod (7), and the travel of the electric push rod (7) can be controlled by adjusting the resistance of the potentiometer.
6. The automatic lifting device according to claim 5, wherein the control assembly further comprises a control box (13), the control box (13) is mounted on the base (3) and provides power input and motion control for the electric push rod (7).
7. An automatic lifting device according to claim 3, wherein the centre of gravity of the radar (1) and the radar mounting platform (4) and the centre of gravity of the turntable (2) are on the same vertical line in the retracted and lifted-in-place state of the automatic lifting device.
8. The automatic lifting device according to claim 1, wherein the pin holes of the first supporting arm (5) and the second supporting arm (6) are respectively provided with a first copper sleeve (51) and a second copper sleeve (61).
9. The automatic lifting device according to claim 1, wherein the first supporting arm (5) is connected with the base (3) and the radar mounting platform (4) through a connecting pin shaft A (8) and a connecting pin shaft D (11), the second supporting arm (6) is connected with the base (3) and the radar mounting platform (4) through a connecting pin shaft B (9) and a connecting pin shaft C (10), and the connecting pin shafts are in excessive fit with the base (3) and the radar mounting platform (4) and in clearance fit with the first supporting arm (5) and the second supporting arm (6).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221300811U true CN221300811U (en) | 2024-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |