CN220976427U - Automobile maintenance lifter adopting laser displacement sensor - Google Patents
Automobile maintenance lifter adopting laser displacement sensor Download PDFInfo
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- CN220976427U CN220976427U CN202322411390.9U CN202322411390U CN220976427U CN 220976427 U CN220976427 U CN 220976427U CN 202322411390 U CN202322411390 U CN 202322411390U CN 220976427 U CN220976427 U CN 220976427U
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- upright post
- lifting
- laser displacement
- displacement sensor
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 38
- 238000012423 maintenance Methods 0.000 title abstract description 25
- 238000001514 detection method Methods 0.000 claims description 15
- 238000007689 inspection Methods 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model provides an adopt laser displacement sensor's auto repair to lift machine, includes the base, is provided with first stand and second stand on the base, and second stand is connected through a crossbeam with first stand top, is provided with lifting device between first stand and the second stand, all is provided with safeties between lifting device and first stand and the second stand respectively, is provided with pilot lamp, controller on the first stand, has built-in buzzer in the pilot lamp, is provided with laser displacement sensor on the crossbeam. When the lifting arm leaves the base, the indicator light is turned on, and the lifting device is prompted to enter a working state. 2. The vehicle rises to 300mm, a maintainer is reminded to check whether the lifting arm is reliably contacted with the chassis of the vehicle, and whether the vehicle is stationary is checked. After the vehicle is lifted to the maintenance position, the maintenance personnel is prompted to enter the safety position through the sound and light, prompt management is timely carried out, a protection effect is achieved, and safety accidents are prevented.
Description
Technical Field
The utility model relates to the field of machinery and electronics, in particular to an automobile maintenance lifting device, and particularly relates to an automobile maintenance lifting machine for judging a safe position by adopting a laser displacement sensor.
Background
The upright post type lifting machine is a tool frequently used in the process of maintaining the vehicle, and in use, the vehicle needs to be lifted up and down, for example, when the chassis of the vehicle is maintained and checked, the vehicle needs to be lifted. The vehicle leaves the ground, so that maintenance personnel can stand below the vehicle conveniently, and the chassis parts of the vehicle can be checked and maintained. However, in the maintenance operation part, maintenance personnel forget to protect or do not enter a safe state due to the self reason of the lifter, so that in daily use, the safety use accident of the lifter also happens, and personnel injury is caused. For example, if the lifting machine is lifted to 300mm, whether the vehicle is parked stably is not checked, and the lifting is continued, after the lifting machine is lifted to a certain height, maintenance personnel forget to release the lifting machine to a safe lock-falling position, enter the vehicle to perform maintenance operation, so that accidents occur, and particularly when the maintenance personnel are located below the vehicle, serious accidents are easily caused.
Disclosure of Invention
The utility model aims to provide an automobile maintenance lifter adopting a laser displacement sensor, which aims to solve the technical problems that the lifter adopting the laser displacement sensor cannot prompt maintenance personnel to check whether the automobile is parked stably or not and cannot detect whether the automobile enters a safety lock-falling position in the prior art.
The utility model relates to an automobile maintenance lifter adopting a laser displacement sensor, which comprises a base, wherein a first upright post and a second upright post are arranged on the base, the second upright post is positioned at the left side of the first upright post, the second upright post is connected with the top of the first upright post through a cross beam, a lifting device is arranged between the first upright post and the second upright post, safety devices are respectively arranged between the lifting device and the first upright post and the second upright post, an indicator lamp and a controller are arranged on the first upright post, a buzzer is arranged in the indicator lamp, a laser displacement sensor is arranged on the cross beam, and a patrol switch is arranged on the second upright post;
The lifting device comprises an oil cylinder, a piston rod of the oil cylinder is connected with a lifting arm, the oil cylinder is connected with an oilcan through a hydraulic pump, the hydraulic pump comprises a motor and a lifting button, a hydraulic release rocker arm and a release detection sensor are arranged on the oilcan, and the release detection sensor is arranged adjacent to the hydraulic release rocker arm;
The lifting button, the indicator light, the laser displacement sensor, the inspection switch, the hydraulic pump and the release detection sensor are respectively connected with the controller through input and output ends of the lifting button, the indicator light, the laser displacement sensor, the inspection switch, the hydraulic pump and the release detection sensor.
Further, the indicator lamp is a three-color LED lamp.
Further, an emergency switch is arranged on the controller.
Further, the lifting button is arranged on a control box of the motor.
Compared with the prior art, the utility model has positive and obvious effects. 1. When the lifting arm leaves the base, the indicator light is turned on, and the lifting device is prompted to enter a working state. 2. The vehicle rises to 300mm department, reminds the maintenance personal to inspect whether the lifting arm on the first stand and the lifting arm on the second stand contact reliably with the vehicle chassis to whether the vehicle is stationary. 3. When the inspection at 300mm is finished, the circuit of the lifting switch can be restored by squatting and pressing the inspection switch on the second upright post. 4. After the vehicle is lifted to the maintenance position, the maintenance personnel is prompted by sound and light to enter the lifting device into the safety position. 5. If the lifting machine of the station does not enter a safety state after being lifted, workshop personnel and management personnel can know through acousto-optic prompt, prompt management can be timely carried out, a protection effect is achieved, and safety accidents are prevented.
Drawings
FIG. 1 is a schematic illustration of an auto repair lift employing a laser displacement sensor according to the present utility model.
Fig. 2 is a schematic front view of a lifting device in an auto repair lift using a laser displacement sensor according to the present utility model.
Fig. 3 is a schematic left view of a lifting device in an auto repair lift using a laser displacement sensor according to the present utility model.
Fig. 4 is a right side view of a lifting device in an auto repair lift using a laser displacement sensor according to the present utility model.
Fig. 5 is a first schematic view of a safety device for a lifting device in an auto repair lift employing a laser displacement sensor according to the present utility model.
FIG. 6 is a second schematic view of a safety device for a lifting device in an auto repair lift employing a laser displacement sensor according to the present utility model.
Fig. 7 is a schematic diagram of a control circuit of a lifting device in an auto repair lift using a laser displacement sensor according to the present utility model.
Detailed Description
The present utility model is further described below with reference to the drawings and examples, but the present utility model is not limited to the examples, and all the similar structures and similar variations using the present utility model should be included in the protection scope of the present utility model. The use of the directions of up, down, front, back, left, right, etc. in the present utility model is only for convenience of description, and is not a limitation of the technical scheme of the present utility model.
As shown in fig. 1-7, the automobile maintenance lifter adopting the laser displacement sensor comprises a base 23, wherein a first upright 1 and a second upright 2 are arranged on the base 23, the second upright 2 is positioned at the left side of the first upright 1, the second upright 2 is connected with the top of the first upright 1 through a cross beam, a lifting device is arranged between the first upright 1 and the second upright 2, safety devices are respectively arranged between the lifting device and the first upright 1 and the second upright 2, an indicator lamp 8 and a controller 7 are arranged on the first upright 1, a buzzer is arranged in the indicator lamp 8, a laser displacement sensor 9 is arranged on the cross beam, and a patrol switch 5 is arranged on the second upright 2;
The lifting device comprises an oil cylinder, a piston rod of the oil cylinder is connected with a lifting arm 3, the oil cylinder is connected with an oil pot 13 through a hydraulic pump, the hydraulic pump comprises a motor 12 and a lifting button 6, a hydraulic release rocker arm 11 and a release detection sensor 4 are arranged on the oil pot 13, and the release detection sensor 4 is arranged adjacent to the hydraulic release rocker arm 11;
The lifting button 6, the indicator lamp 8, the laser displacement sensor 9, the inspection switch 5, the hydraulic pump and the release detection sensor 4 are respectively connected with the controller 7 through input and output ends thereof.
Further, the indicator lamp 8 is a three-color LED lamp.
Further, an emergency switch 15 is arranged on the controller 7.
Further, the lifting button 6 is arranged on a control box of the motor 12.
Specifically, the safety device between the first upright 1 and the lifting device comprises an opening baffle 18, a special-shaped wedge block 16 and a clamping block 21, wherein the opening baffle 18 is fixedly arranged on the inner side of the first upright 1, a plurality of limiting holes 20 are formed in the opening baffle 18 at intervals, the subsequent distance data comparison is facilitated, an inclined plane is arranged on one side of the special-shaped wedge block 16, the special-shaped wedge block 16 is hinged with the side face of a power end 19 of an oil cylinder through a rotating shaft, a spring (not shown in the figure) is connected between the special-shaped wedge block 16 and the side face of the power end 19 of the oil cylinder, the special-shaped wedge block 16 is biased into the limiting holes 20 of the opening baffle 18 by the spring, the clamping block 21 is hinged with the special-shaped wedge block 16 through the rotating shaft, and the clamping block 21 is connected with a steel wire stay 22. The safety device on the second upright 2 has the same structure as the safety device on the first upright 1.
Specifically, the lifting button 6 includes a lifting button detecting switch 61 for detecting whether the lifting device is in a lifting state.
Specifically, the lifting device, the lifting arm 3, the hydraulic pump, the safety device, the laser displacement sensor 9, the release detection sensor 4, the lifting button 6, the lifting button detection switch 61, the indicator light 9, the buzzer, the inspection switch 5 and the like in this embodiment all adopt the schemes known in the prior art, and those skilled in the art will understand that the description is omitted herein.
The working principle of the embodiment is as follows:
The controller 7 drives the three-color LED lamp and the buzzer thereof externally, and different colors of the three-color LED lamp and sounds of the buzzer respectively indicate different working states of the lifting device.
When the vehicle is maintained, a maintainer presses the lifting button 6, the lifting button detection switch 61 is closed, a lifting signal is sent to the controller 7, the contactor 14 works, power is supplied to the motor 12 of the hydraulic pump, the oil pressure in the oil can 13 is fed into the oil cylinder, the oil cylinder drives the lifting arm 3 to lift the vehicle, when the lifting arm 3 lifts off the base 23, the laser spot of the laser displacement sensor 9 irradiates on the upper surface 10 of the lifting arm 3, the movement distance of the lifting arm 3 starts to be detected, the signal is sent to the controller 7, the controller 7 controls the indicator lamp 8 to light up, the controller 7 sends a switching signal when the laser displacement sensor 9 detects that the lifting arm 3 is 300mm away from the ground, the controller 7 cuts off the power supply of the lifting button 6, so that the lifting arm 3 stops lifting, the vehicle is forced to be in a round car inspection when the vehicle lifts to 300mm, at this moment, the indicator lamp 8 flashes, the buzzer is continuously buzzed for 3 seconds, the maintainer is prompted to inspect whether the vehicle is required to be stably parked at this place, then the maintainer checks whether the movement distance of the lifting arm 3 is detected, and the controller continues to check the lifting arm 2 is stopped by the lifting arm 2, and the lifting arm 5 is stopped by the first side of the lifting button 5, the vehicle can be stopped by continuing to check, and the lifting arm 3 is stopped by the lifting button 5, the lifting button is stopped by the lifting button 5, and a first side of the vehicle can be continuously checked, and the lifting signal is continued, and the lifting signal can be checked by checking the lifting arm is continuously, and the lifting arm 3.
When the vehicle is lifted to the maintenance position, lifting is stopped, at this time, the laser displacement sensor 9 measures the distance between the laser displacement sensor 9 and the lifting arm 3 and sends the distance to the controller 7, data comparison is carried out on the distance (the distance between each limiting hole 20 of the opening baffle 18 and the base 23 is a fixed value, the distance detected by the laser displacement sensor 9 is compared with the value, whether the distance is within an error range can be judged), if the distance is not within the error range, the controller 7 controls the indicator lamp 8 to light and flash, and the buzzer continuously sounds in a clearance mode, otherwise, the indicator lamp 8 is unchanged. Then, a maintainer presses the hydraulic release rocker arm 11, the release detection sensor 4 sends a signal to the controller 7, meanwhile, the hydraulic release rocker arm 11 touches a pressure release valve plunger on the oil can 13, hydraulic pressure of the oil cylinder is released, the lifting arm 3 moves downwards under the action of gravity, the special-shaped wedge block 16 moves downwards in a following manner, after a certain distance of movement, the bottom surface 17 of the special-shaped wedge block 16 presses on a limiting hole 20 of the opening baffle 18, so that the lifting arm 3 can not move downwards any more, and a safety effect is achieved. At this time, the laser displacement sensor 9 detects the distance between the lifting arm 3 and the laser displacement sensor 9, the controller 7 performs data comparison and descending speed calculation, if the distance is within the error range, the controller 7 confirms that the safety state is entered, the controller 7 controls the indicator lamp 8 to turn from red to green, and the buzzer stops buzzing. At this time, if one lifting arm on the first upright 1 and the second upright 2 enters the safety position and the other lifting arm does not enter the safety position due to accidental inclination of the lifting arms, the distance detected by the laser displacement sensor 9 is still not within the error range, the controller 7 controls the indicator lamp 8 to light and flash, and the buzzer continuously sounds in a clearance mode, so that maintenance personnel is prompted to perform the locking operation again.
If the vehicle needs to be lifted continuously in use, when the vehicle needs to stop at a position which is more than 300mm away from the base 23, the lifting arm 3 is locked by the safety device, the controller 7 continuously detects whether the safety device enters the locking position, and if the safety device is detected to be not in the safety position, the alarm prompt is repeated.
When the vehicle needs to descend, the lifting arms 3 at two sides are lifted for a certain distance by pressing the lifting key, the steel wire stay wires 22 at two sides are respectively pulled to drive the clamping block 21 to rotate, one side of the clamping block 21 is propped against the opening baffle 18, the special-shaped wedge block 16 is further pushed to rotate outwards, the special-shaped wedge block 16 is separated from the limiting hole 20, the safety device is unlocked, then the hydraulic release rocker arm 11 is pressed, the oil pressure in the oil cylinder is lowered, the lifting arm 3 starts to descend, the controller 7 receives a descending signal pressed by the hydraulic release rocker arm 11 through the release detection sensor 4, and the indicator lamp 8 is controlled to be red and light to indicate that the vehicle is in an unsafe state in the descending process.
When the vehicle descends to a position below 300mm and before the vehicle descends to the lowest position, the controller 7 controls the indicator lamp 8 to be red and light when the lifting arm 3 does not descend to the set initial position range, so that maintenance personnel is prompted to be at the non-safety position at the moment; when the lifting arm 3 descends to the initial setting position, the controller 7 turns off the indicator lamp 8, the buzzer and the like to be in a silent state, and enters an energy-saving mode, and the indicator lamp 9 is turned off to indicate that the lifting device is in a non-lifting state.
When the lifting machine needs to be used in a certain specific working state, the lifting arm 3 cannot enter a safety position, at the moment, the emergency switch 15 on the controller 7 is pressed down to be closed, the controller 7 enters an emergency mode, before entering the first-gear safety position, when the laser displacement sensor 9 detects that the lifting arm 3 is 300mm away from the ground, the controller 7 sends a switching signal to cut off the power supply of the lifting button 6, so that the lifting arm 3 stops lifting, a user is forced to perform loop checking when the vehicle lifts to 300mm, at the moment, the indicator lamp 8 flashes as a yellow lamp, the buzzer intermittently buzzes for 3 seconds, the user is prompted to check whether the vehicle is parked stably or not, then the user is checked until the user reaches one side of the second upright 2 to check whether the lifting position of the vehicle is reliably stopped with the lifting arm 3, after checking and confirming, the user presses down the inspection switch 5 on the second upright 2, the controller 7 receives an inspection switch 5 signal, the circuit of the lifting button 6 is restored, the user returns to one side of the first upright 1, the user presses the lifting button 6, the lifting arm 3 continuously presses the lifting lamp, and the controller 7 continuously controls the emergency lamp 8 to be in the emergency mode, so that the user continuously indicates that the vehicle is in the emergency mode.
The utility model has the advantages that: 1. when the lifting arm 3 leaves the base 23, the indicator light 8 is turned on in a yellow light to prompt the lifting device to enter a working state. 2. The vehicle rises to 300mm, and a maintenance person is reminded to check whether the lifting arm on the first upright 1 and the lifting arm 3 on the second upright 2 are reliably contacted with the chassis of the vehicle or not, and whether the vehicle is stopped or not. 3. When the inspection at 300mm is completed, the inspection switch 5 on the upright post 2 is pressed, and the circuit of the lifting switch 6 can be restored. 4. After the vehicle is lifted to the maintenance position, the maintenance personnel is prompted by sound and light to enter the lifting device into the safety position. 5. If the lifting machine of the station does not enter a safety state after being lifted, workshop personnel and management personnel can know through acousto-optic prompt, prompt management can be timely carried out, a protection effect is achieved, and safety accidents are prevented.
Claims (4)
1. Adopt laser displacement sensor's auto repair machine of lifting, including the base, its characterized in that: the base is provided with a first upright post and a second upright post, the second upright post is positioned at the left side of the first upright post, the second upright post is connected with the top of the first upright post through a cross beam, a lifting device is arranged between the first upright post and the second upright post, safety devices are respectively arranged between the lifting device and the first upright post and between the lifting device and the second upright post, an indicator lamp and a controller are arranged on the first upright post, a buzzer is arranged in the indicator lamp, a laser displacement sensor is arranged on the cross beam, and a patrol switch is arranged on the second upright post;
The lifting device comprises an oil cylinder, a piston rod of the oil cylinder is connected with a lifting arm, the oil cylinder is connected with an oilcan through a hydraulic pump, the hydraulic pump comprises a motor and a lifting button, a hydraulic release rocker arm and a release detection sensor are arranged on the oilcan, and the release detection sensor is arranged adjacent to the hydraulic release rocker arm;
The lifting button, the indicator light, the laser displacement sensor, the inspection switch, the hydraulic pump and the release detection sensor are respectively connected with the controller through input and output ends of the lifting button, the indicator light, the laser displacement sensor, the inspection switch and the hydraulic pump;
The safety device between the first upright post and the lifting device comprises an opening baffle, a special wedge block and a clamping block, wherein the opening baffle is fixedly arranged on the inner side of the first upright post, a plurality of limiting holes are formed in the opening baffle at intervals, an inclined plane is arranged on one side of the special wedge block, the special wedge block is hinged to the side face of the power end of the oil cylinder through a rotating shaft, a spring is connected between the special wedge block and the side face of the power end of the oil cylinder, the special wedge block is biased into the limiting holes of the opening baffle by the spring, the clamping block is hinged to the special wedge block through the rotating shaft, a steel wire pull wire is connected to the clamping block, and the safety device on the second upright post is identical to the safety device on the first upright post in structure.
2. An auto repair lift employing a laser displacement sensor as claimed in claim 1, wherein: the indicator lamp is a three-color LED lamp.
3. An auto repair lift employing a laser displacement sensor as claimed in claim 1, wherein: an emergency switch is arranged on the controller.
4. An auto repair lift employing a laser displacement sensor as claimed in claim 1, wherein: the lifting button is arranged on a control box of the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411390.9U CN220976427U (en) | 2023-09-06 | 2023-09-06 | Automobile maintenance lifter adopting laser displacement sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322411390.9U CN220976427U (en) | 2023-09-06 | 2023-09-06 | Automobile maintenance lifter adopting laser displacement sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220976427U true CN220976427U (en) | 2024-05-17 |
Family
ID=91066056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322411390.9U Active CN220976427U (en) | 2023-09-06 | 2023-09-06 | Automobile maintenance lifter adopting laser displacement sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220976427U (en) |
-
2023
- 2023-09-06 CN CN202322411390.9U patent/CN220976427U/en active Active
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