Automatic leveling device

By designing the combination of limit support, rotating shaft, limiting member, support rod, electric lift rod, PLC controller, tilt sensor and universal ball in the automatic leveling device, the problem of angle limitation and wear when adjusting the output end of the electric pusher and the leveling plate is solved, and a more flexible and stable automatic leveling function is achieved.

CN222965592UActive Publication Date: 2025-06-10HEBEI ZHENFENG INFORMATION TECH CO LTD
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Patent Information

Application Number
CN202422176894.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-06-10
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

In existing automatic leveling devices, the angle adjustment is limited during the adjustment process between the output end of the electric push rod and the leveling plate, which may cause additional wear.

Method used

An automatic leveling device is designed, and by setting a combination of limit support, rotating shaft, limiting parts, support rods, electric lifting rods, PLC controllers, tilt sensors and universal balls, a more flexible automatic leveling function is achieved, avoiding the limitations in traditional limit designs.

Benefits of technology

It effectively increases the flexibility of the automatic leveling mechanism, avoids the problem of limited angle adjustment, reduces wear, improves the adaptability and stability of the equipment, and ensures operating accuracy under various load conditions.

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Abstract

The utility model relates to the technical field of leveling devices, and discloses an automatic leveling device which comprises a movable platform, an automatic leveling mechanism is arranged at the top of the movable platform, and through the automatic leveling mechanism, when a machining table inclines, inclination sensors at the four corners can monitor the inclination degree of each position in real time; the inclination sensor is used for measuring inclination data of the electric lifting rod and transmitting the measured data to the PLC, the PLC calculates the height needing to be adjusted according to the received inclination data and sends an instruction to the corresponding electric lifting rod, the electric lifting rod moves up and down according to the instruction of the PLC, and through cooperation of the first rotating shaft and the first limiting piece and cooperation of the second rotating shaft and the second limiting piece, the height of the electric lifting rod can be adjusted. According to the automatic leveling mechanism, the flexibility of the automatic leveling mechanism is effectively improved, limitation in traditional limiting design is avoided, then corresponding parts of the machining table can be driven to adjust the position until readings of all the inclination sensors are in the horizontal state, and the stable supporting effect is provided for the machining table through the design of a supporting rod and a universal ball.
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Description

Technical Field

[0001] The utility model relates to the technical field of leveling devices, in particular to an automatic leveling device. Background Art

[0002] An automatic leveling device usually consists of multiple key components, including sensors, actuators, and control systems. The sensors are responsible for real-time monitoring of the tilt state of the device, the actuators make automatic adjustments based on the sensor data, and the control system coordinates these components to achieve the function of automatic leveling. By integrating these advanced technologies, the automatic leveling device can achieve efficient and precise leveling operations, adapting to various working environments and load changes.

[0003] According to the Chinese patent authorization announcement: CN220409659U, an automatic leveling device is disclosed, which includes an automatic leveling structure provided on the 3D printer body. A cooling fan is installed on one side of the 3D printer body, and a cooling grille is installed on the other side of the 3D printer body. The automatic leveling structure includes a traveling mechanism, a leveling mechanism, and a mounting mechanism. This utility model is provided with a leveling mechanism, which accurately senses the tilt condition of the 3D printer body through an inclination sensor, and automatically controls a number of electric push rods to perform leveling work through a PLC controller. In this way, the degree of automation is high, and the leveling efficiency and accuracy are improved; a traveling mechanism is provided to facilitate the arbitrary movement of the installed 3D printer body, and it is also convenient to fix after the movement. In addition, the provided mounting mechanism facilitates the disassembly and assembly operation between the 3D printer body and this leveling device, which is time-saving and labor-saving. However, there are still some problems when this automatic leveling device is in use. In this automatic leveling device, it is described that the output ends of four electric push rods are sequentially fixed on the outer walls of the four corners at the bottom of the leveling plate. When adjustment is required, during the adjustment of the output end of the electric push rod and the leveling plate, not only the angle is limited, but also the wear is increased. It is mentioned in the description that the output ends of the four electric push rods are respectively fixed at the four corners of the bottom of the leveling plate. When adjustment is required, during the adjustment process of the output ends of these electric push rods and the leveling plate, the angle adjustment is limited and additional wear may be caused. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides an automatic leveling device, which solves the problems that during the adjustment process of the output end of the electric push rod and the leveling plate, the angle adjustment is limited and additional wear may be caused.

[0005] To achieve the above object, the utility model is realized by the following technical solutions: An automatic leveling device includes a moving platform, and an automatic leveling mechanism is provided on the top of the moving platform. The automatic leveling mechanism includes a limit support, a first rotating shaft, a second rotating shaft, a first limiting member, a support rod, an electric lifting rod, a PLC controller, an inclination sensor, and a universal ball. A processing table is provided on the top of the moving platform. Inclination sensors are arranged at the four corners of the bottom end of the processing table. A PLC controller is arranged on one side of the bottom end of the processing table. A plurality of first limiting members are fixedly connected to the bottom end of the processing table. The inner walls of the plurality of first limiting members are rotatably connected to the first rotating shaft. The output ends of the plurality of electric lifting rods are fixedly connected to second limiting members. The inner walls of the plurality of second limiting members are rotatably connected to the second rotating shaft. The PLC controller is electrically connected to the plurality of inclination sensors;

[0006] An installation mechanism is provided on the top of the processing table. The installation mechanism includes a gear, an installation groove, a rack, a sliding groove, an installation plate, a rubber plate, a spring rod, a locking rod, and a motor. An installation groove is formed at the top end of the processing table. A motor is provided at the bottom of the processing table. Sliding grooves are formed on both sides of the top end of the processing table. The gear is rotatably connected to the inner wall of the installation groove. The rack is engaged with both sides of the gear. The two ends of the two racks are fixedly connected to the installation plates. Two locking rods are fixedly connected to the inner sides of the two installation plates. A plurality of spring rods are arranged at the top end of the processing table.

[0007] Preferably, the plurality of electric lifting rods are fixedly connected to the bottom end of the moving platform, and the output ends of the plurality of electric lifting rods penetrate through the top end of the moving platform.

[0008] Preferably, a plurality of limit supports are fixedly connected to the top end of the moving platform. The output ends of the plurality of electric lifting rods penetrate through the plurality of limit supports respectively and are slidably connected to the plurality of limit supports respectively.

[0009] Preferably, the bottom ends of the plurality of first rotating shafts are fixedly connected to the top ends of the plurality of second rotating shafts respectively.

[0010] Preferably, two support rods are fixedly connected to the top end of the moving platform. Two universal balls are fixedly connected to the top ends of the two support rods. The top ends of the two universal balls are rotatably connected to the bottom end of the processing table.

[0011] Preferably, the top end of the motor is fixedly connected to the bottom end of the processing table, and the output end of the motor penetrates through the processing table and is fixedly connected to the bottom end of the gear.

[0012] Preferably, the bottom ends of the two racks are slidably connected to the inner walls of the two sliding grooves respectively, and the bottom ends of the two installation plates are slidably connected to the top end of the processing table.

[0013] Preferably, rubber plates are fixedly connected to the inner sides of the two mounting plates, and one ends of two adjacent locking rods respectively penetrate through the two rubber plates. Advantageous effects

[0014] The utility model provides a self-leveling device. Compared with the prior art, the following advantageous effects are achieved:

[0015] In the utility model, through the arranged self-leveling mechanism, when the processing table is tilted, the tilt sensors at the four corners will monitor the tilt degrees of their respective positions in real time, and transmit the measured data to the PLC controller. The PLC controller calculates the height to be adjusted according to the received tilt data, and sends an instruction to the corresponding electric lifting rod. The electric lifting rod moves up and down according to the PLC instruction. Through the cooperation of the first rotating shaft and the first limiting member with the second rotating shaft and the second limiting member, the flexibility of the self-leveling mechanism is effectively increased, and the limitation in the traditional limiting design is avoided. Subsequently, the corresponding part of the processing table can be driven to adjust the position until the readings of all tilt sensors are in a horizontal state. The design of the support rod and the universal ball provides a stable support effect for the processing table, effectively absorbing and dispersing external forces during the leveling process, so that the processing table remains in a stable state. This not only improves the adaptability and stability of the equipment, but also ensures the operation accuracy of the processing table under various load conditions, effectively improving the overall performance and reliability of the self-leveling device.

[0016] 2. In the utility model, through the arranged installation mechanism, the motor drives the gear to rotate, and the gear meshes with the rack, so that the mounting plate moves precisely along the sliding groove, thereby being able to clamp and fix the equipment conveniently and quickly. The rubber plate effectively absorbs the vibration and impact during the operation of the equipment, improves the running stability of the equipment, and reduces the influence of vibration on the processing accuracy. The existence of the locking rod and the spring rod ensures the stability of the equipment after moving or installation, preventing the equipment from loosening or shifting during operation. This installation mechanism not only simplifies the installation steps of the equipment, but also improves the installation speed and stability of the equipment, and is particularly suitable for equipment that needs to be frequently replaced or adjusted in position. Description of the drawings

[0017] Figure 1 is a three-dimensional structural schematic diagram of a self-leveling device proposed by the utility model;

[0018] Figure 2 is a front-side structural schematic diagram of a self-leveling device proposed by the utility model;

[0019] Figure 3 is a Figure 2 magnified view of part A in the self-leveling device proposed by the utility model;

[0020] Figure 4Structural schematic diagram of the processing table part of an automatic leveling device proposed by the present utility model;

[0021] Figure 5 An automatic leveling device proposed by the present utility model Figure 4 Enlarged view at position B in

[0022] Legend description:

[0023] 1. Moving platform; 2. Automatic leveling mechanism; 201. Limit support; 202. Rotating shaft I; 203. Limit part II; 204. Support rod; 205. Electric lifting rod; 206. PLC controller; 207. Tilt sensor; 208. Limit part I; 209. Rotating shaft II; 210. Universal ball; 3. Installation mechanism; 301. Gear; 302. Spring rod; 303. Rubber plate; 304. Installation plate; 305. Locking rod; 306. Chute; 307. Installation groove; 308. Rack; 309. Motor; 4. Processing table. Specific implementation manners

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figure 1 - Figure 5 This utility model provides two technical solutions, specifically including the following embodiments: Embodiment 1

[0026] An automatic leveling device includes a moving platform 1. An automatic leveling mechanism 2 is provided on the top of the moving platform 1. The automatic leveling mechanism 2 includes a limit support 201, a first rotating shaft 202, a second rotating shaft 209, a first limiting member 208, a support rod 204, an electric lifting rod 205, a PLC controller 206, an inclination sensor 207 and a universal ball 210. A processing table 4 is provided on the top of the moving platform 1. Inclination sensors 207 are arranged at the four corners of the bottom end of the processing table 4. A PLC controller 206 is arranged on one side of the bottom end of the processing table 4. The specific model of the PLC controller 206 is SIMATIC S7-1200, and the specific model of the inclination sensor 207 is TMM88, with a measurement range of ±60°. A plurality of first limiting members 208 are fixedly connected to the bottom end of the processing table 4. The inner walls of the plurality of first limiting members 208 are rotatably connected to the first rotating shafts 202. The output ends of the plurality of electric lifting rods 205 are fixedly connected to second limiting members 203. The inner walls of the plurality of second limiting members 203 are rotatably connected to the second rotating shafts 209. The PLC controller 206 is electrically connected to the plurality of inclination sensors 207. The plurality of electric lifting rods 205 are all fixedly connected to the bottom end of the moving platform 1. The output ends of the plurality of electric lifting rods 205 all penetrate through the top end of the moving platform 1. A plurality of limit supports 201 are fixedly connected to the top end of the moving platform 1. The output ends of the plurality of electric lifting rods 205 respectively penetrate through the plurality of limit supports 201 and are respectively slidably connected to the plurality of limit supports 201. The limit supports 201 can increase the stability of the output ends of the electric lifting rods 205. The bottom ends of the plurality of first rotating shafts 202 are respectively fixedly connected to the top ends of the plurality of second rotating shafts 209. Two support rods 204 are fixedly connected to the top end of the moving platform 1. Two universal balls 210 are fixedly connected to the top ends of the two support rods 204. The top ends of the two universal balls 210 are rotatably connected to the bottom end of the processing table 4. The support rods 204 and the universal balls 210 can increase the stability of the processing table 4. The universal balls 210 can adapt to different angles of the processing table 4 to keep it flat.

[0027] During operation, when the processing table 4 tilts, the tilt sensors 207 at the four corners will real-time monitor the tilt degrees at their respective positions and transmit the measured data to the PLC controller 206. The PLC controller 206 calculates the height to be adjusted based on the received tilt data and sends instructions to the corresponding electric lifting rods 205. The electric lifting rods 205 move up and down according to the PLC instructions. Through the cooperation of the first rotating shaft 202 and the first limiting member 208 with the second rotating shaft 209 and the second limiting member 203, the flexibility of the automatic leveling mechanism 2 is effectively increased, avoiding the limitations in traditional limiting designs. Subsequently, the corresponding parts of the processing table 4 can be driven to adjust their positions until the readings of all tilt sensors 207 are in a horizontal state. The design of the support rods 204 and the universal balls 210 provides a stable support effect for the processing table 4, effectively absorbing and dispersing external forces during the leveling process, keeping the processing table 4 in a stable state. This not only improves the adaptability and stability of the equipment but also ensures the operation accuracy of the processing table 4 under various load conditions, effectively enhancing the overall performance and reliability of the automatic leveling device. Embodiment 2

[0028] On the basis of Embodiment 1, an installation mechanism 3 is provided on the top of the processing table 4. The installation mechanism 3 includes a gear 301, an installation groove 307, a rack 308, a sliding groove 306, an installation plate 304, a rubber plate 303, a spring rod 302, a locking rod 305, and a motor 309. An installation groove 307 is opened at the top end of the processing table 4, and a motor 309 is provided at the bottom of the processing table 4. Sliding grooves 306 are opened on both sides of the top end of the processing table 4. The inner wall of the installation groove 307 is rotatably connected to a gear 301, and racks 308 are engaged on both sides of the gear 301. Both ends of the two racks 308 are fixedly connected to installation plates 304. Two locking rods 305 are fixedly connected to the inner sides of the two installation plates 304. A plurality of spring rods 302 are provided at the top end of the processing table 4. The top end of the motor 309 is fixedly connected to the bottom end of the processing table 4, and the output end of the motor 309 penetrates through the processing table 4 and is fixedly connected to the bottom end of the gear 301. The bottom ends of the two racks 308 are respectively slidably connected to the inner walls of the two sliding grooves 306, and the bottom ends of the two installation plates 304 are respectively slidably connected to the top end of the processing table 4. Rubber plates 303 are fixedly connected to the inner sides of the two installation plates 304. One ends of adjacent two locking rods 305 respectively penetrate through the two rubber plates 303. It should be noted that in the design of the equipment installed on the processing table 4, there are specially provided holes and grooves at its bottom end and both sides, and these holes and grooves are used to cooperate with the locking rods 305 and the spring rods 302. However, the diagram of this equipment is not specifically shown in the provided drawings. Therefore, the purpose of setting these holes and grooves is to ensure that the equipment can flexibly cooperate with various locking rods 305 and spring rods 302 of different sizes or types, thereby improving the compatibility and adaptability of the equipment.

[0029] The motor 309 drives the gear 301 to rotate. The gear 301 meshes with the rack 308, causing the mounting plate 304 to move precisely along the chute 306, enabling the device to be clamped and fixed conveniently and quickly. The rubber plate 303 effectively absorbs the vibration and impact during the operation of the device, improves the running stability of the device, and reduces the influence of vibration on the machining accuracy. The presence of the locking rod 305 and the spring rod 302 ensures the stability of the device after movement or installation, preventing the device from loosening or shifting during operation. This mounting mechanism 3 not only simplifies the installation steps of the device but also improves the installation speed and stability of the device, and is particularly suitable for devices that need to be frequently replaced or repositioned.

[0030] The above are only the preferred embodiments of the present application and are not intended to limit the present application. Any modifications, equivalent replacements, and improvements made within the spirit and principles of the application shall be included within the protection scope of the present application.

Claims

1. An automatic leveling device, comprising a mobile platform (1), characterized in that: An automatic leveling mechanism (2) is provided on the top of the mobile platform (1), and the automatic leveling mechanism (2) comprises a limit support (201), a first rotating shaft (202), a second rotating shaft (209), a first limit member (208), a support rod (204), an electric lifting rod (205), a PLC controller (206), a tilt sensor (207) and a universal ball (210). A processing table (4) is provided on the top of the mobile platform (1), and tilt sensors (207) are provided at the four corners of the bottom end of the processing table (4). A PLC controller (206) is provided on one side of the bottom end of the processing table (4); a plurality of limit members (208) are fixedly connected to the bottom end of the processing table (4); the inner walls of the plurality of limit members (208) are rotatably connected to a rotating shaft (202); the output ends of the plurality of electric lifting rods (205) are fixedly connected to the limit member (203); the inner walls of the plurality of limit members (203) are rotatably connected to a rotating shaft (209); and the PLC controller (206) is electrically connected to the plurality of tilt sensors (207); A mounting mechanism (3) is provided on the top of the processing table (4), and the mounting mechanism (3) comprises a gear (301), a mounting groove (307), a rack (308), a slide groove (306), a mounting plate (304), a rubber plate (303), a spring rod (302), a locking rod (305) and a motor (309). A mounting groove (307) is provided on the top of the processing table (4), a motor (309) is provided on the bottom of the processing table (4), slide grooves (306) are provided on both sides of the top of the processing table (4), a gear (301) is rotatably connected to the inner wall of the mounting groove (307), racks (308) are meshed on both sides of the gear (301), both ends of the two racks (308) are fixedly connected to the mounting plate (304), the inner sides of the two mounting plates (304) are fixedly connected to two locking rods (305), and a plurality of spring rods (302) are provided on the top of the processing table (4).

2. The automatic leveling device according to claim 1, characterized in that: The plurality of electric lifting rods (205) are all fixedly connected to the bottom end of the mobile platform (1), and the output ends of the plurality of electric lifting rods (205) all pass through the top end of the mobile platform (1).

3. The automatic leveling device according to claim 1, characterized in that: The top of the mobile platform (1) is fixedly connected to a plurality of position-limiting supports (201), and the output ends of the plurality of electric lifting rods (205) respectively penetrate the plurality of position-limiting supports (201) and are respectively slidably connected to the plurality of position-limiting supports (201).

4. The automatic leveling device according to claim 1, characterized in that: The bottom ends of the plurality of rotating shafts one (202) are respectively fixedly connected to the top ends of the plurality of rotating shafts two (209).

5. The automatic leveling device according to claim 1, characterized in that: The top of the mobile platform (1) is fixedly connected to two support rods (204), the tops of the two support rods (204) are fixedly connected to two universal balls (210), and the tops of the two universal balls (210) are rotatably connected to the bottom of the processing table (4).

6. The automatic leveling device according to claim 1, characterized in that: The top end of the motor (309) is fixedly connected to the bottom end of the processing table (4), and the output end of the motor (309) passes through the processing table (4) and is fixedly connected to the bottom end of the gear (301).

7. The automatic leveling device according to claim 1, characterized in that: The bottom ends of the two racks (308) are respectively slidably connected to the inner walls of the two slide grooves (306), and the bottom ends of the two mounting plates (304) are both slidably connected to the top of the processing table (4).

8. The automatic leveling device according to claim 1, characterized in that: The inner sides of the two mounting plates (304) are fixedly connected with rubber plates (303), and one end of two adjacent locking rods (305) passes through the two rubber plates (303) respectively.

Citation Information

Patent Citations

  • Automatic leveling device

    CN220409659U