Inspection robot and multi-stage telescopic device thereof
By designing a multi-stage telescopic device, using the combination of synchronous pulley set and threaded pipe, a longer telescopic stroke and higher lifting height accuracy are achieved, which solves the problems of low lifting height accuracy and short telescopic stroke in the prior art, and improves the patrol efficiency of the inspection robot.
Patent Information
- Application Number
- CN202421384927.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing inspection robots have low lifting height accuracy, which is difficult to meet the needs of rapid inspections. The mechanical pushing mechanism can only achieve two-stage expansion and contraction, resulting in a smaller expansion and contraction stroke.
A multi-stage telescopic device is designed. By synchronizing the combination of pulley set, threaded pipe, outer pipe and limit block, the motor drives the rotation of the threaded pipe, driving the sliding and rotation of the outer pipe and inner pipe, and achieving multi-stage telescopicity.
It achieves longer telescopic stroke and higher lifting height accuracy, can quickly meet inspection requirements, and improve the inspection efficiency of inspection robots.
Smart Images

Figure CN222741457U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of telescopic devices, in particular to an inspection robot and a multi-stage telescopic device thereof. Background Art
[0002] A patrol robot is a robot that can autonomously patrol, detect and monitor equipment, facilities or places. It usually has functions such as autonomous navigation, sensor detection, data processing and communication. It can patrol and monitor target areas uninterruptedly and efficiently, detect and report abnormal situations in a timely manner, and improve equipment operation efficiency and safety. Patrol robots are usually used in places that require regular patrol and monitoring.
[0003] There are three main types of telescopic mechanisms configured on inspection robots, namely hydraulic lifting mechanisms, pneumatic lifting mechanisms and mechanical pushing mechanisms. Among them, the hydraulic lifting mechanisms and pneumatic lifting mechanisms require additional hydraulic stations or air pumps, respectively, with many accessories, complicated configuration, and low lifting height accuracy, which makes it difficult to meet the requirements of rapid inspections. Mechanical pushing mechanisms can usually only have two levels, resulting in a smaller telescopic stroke. Therefore, there is an urgent need for an inspection robot and its multi-stage telescopic device to solve the above problems. Utility Model Content
[0004] The utility model aims to provide an inspection robot and a multi-stage telescopic device thereof to solve the problems raised in the above-mentioned background technology.
[0005] The technical solution of the utility model is: a multi-stage telescopic device, comprising a mounting plate, a motor is mounted on an outer wall of one side of the bottom end of the mounting plate, an outer wall of the other side of the bottom end of the mounting plate is fixedly connected to an outer tube one, a synchronous pulley group is mounted on the top outer wall of the mounting plate, one end of the motor output shaft is connected to a transmission shaft through a coupling, the transmission shaft is fixedly connected to an inner wall of one side of the synchronous pulley group, and an inner wall of the other side of the synchronous pulley group is fixedly connected to a threaded tube, sliding grooves are provided on the inner walls of the threaded tube on both sides, the inner wall of the threaded tube is slidably connected to an inner tube, the inner wall of the outer tube one is slidably connected to an outer tube two, the inner wall of the outer tube two is slidably connected to an outer tube three, a threaded groove is provided on the outer wall of the bottom end of the inner tube, the inner wall of the threaded groove is threadedly connected to a threaded rod, and the threaded rod is fixedly connected to the inner wall of the bottom of the outer tube three.
[0006] Preferably, both outer walls on both sides of the inner tube are provided with limiting protrusions, and the limiting protrusions are slidably connected to the inner wall of the slide groove.
[0007] Preferably, the inner walls on both sides of the bottom of the outer tube 2 are fixedly connected with limit block 1 and limit block 2 in sequence from top to bottom, and both limit block 1 and limit block 2 are arranged in a rectangular shape, and the outer wall of the bottom of the inner tube is fixedly connected with an annular plate.
[0008] Preferably, the annular plate is slidably connected to the outer walls of the limiting block 1 and the limiting block 2, and the outer tube 1, the outer tube 2 and the outer tube 3 are all arranged in a rectangular shape.
[0009] Preferably, a circular groove is provided on the top outer wall of the outer tube three, and rectangular grooves are provided on the outer walls on both sides of the outer tube three, the rectangular grooves are connected to the circular grooves, the circular grooves are adapted to the size of the annular plate, and the rectangular grooves are adapted to the size of the limit block one and the limit block two.
[0010] A patrol robot comprises a body and a multi-stage telescopic device arranged on the body, wherein the multi-stage telescopic device is specifically any of the multi-stage telescopic devices described above.
[0011] The utility model provides an inspection robot and a multi-stage telescopic device thereof through improvement, which has the following improvements and advantages compared with the prior art:
[0012] The utility model is provided with a synchronous pulley group, an outer tube one, an outer tube two, an outer tube three, a threaded tube, an inner tube and a threaded rod. A motor drives the threaded tube to rotate through the synchronous pulley group, thereby driving the outer tube two to slide and rise inside the outer tube one through the thread. When the threaded tube rotates, the inner tube inside is also driven to rotate. The threaded groove at the bottom of the inner tube is matched with the threaded rod at the bottom of the outer tube three. During the rotation process, the outer tube three is driven to slide and rise inside the outer tube two. The limiting protrusions arranged on both sides of the inner tube are matched with the sliding grooves on the inner wall of the threaded tube, so that the inner tube can slide inside the threaded tube The outer tube 2 is provided with a circular groove on the outer wall of the outer tube 3 to ensure that there is no conflict with the annular plate when sliding into the inner wall of the outer tube 2. Similarly, the rectangular groove is adapted to the limit block 1 and the limit block 2 to ensure that there is no conflict in the movement, thereby realizing multi-stage extension and retraction of the structure, a longer extension stroke, and more accurate lifting height accuracy, which can quickly meet the inspection requirements and improve the inspection efficiency of the inspection robot. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:
[0014] Figure 1 It is a schematic cross-sectional view of the overall structure of the utility model;
[0015] Figure 2 The utility model Figure 1 A schematic diagram of the enlarged structure in the middle;
[0016] Figure 3 It is a schematic diagram of the threaded pipe connection structure of the utility model;
[0017] Figure 4It is an exploded schematic diagram of the outer tube three-connection structure of the utility model.
[0018] Description of reference numerals:
[0019] 1. Mounting plate; 2. Motor; 3. Synchronous pulley set; 4. Outer tube one; 5. Threaded tube; 6. Inner tube; 7. Outer tube two; 8. Threaded rod; 9. Outer tube three; 10. Limit block one; 11. Ring plate; 12. Limit protrusion; 13. Threaded groove; 14. Rectangular groove; 15. Circular groove; 16. Limit block two. DETAILED DESCRIPTION
[0020] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] The utility model provides an inspection robot and a multi-stage telescopic device thereof through improvement. The technical solution of the utility model is:
[0022] like Figure 1-Figure 4 As shown, a multi-stage telescopic device includes a mounting plate 1, a motor 2 is mounted on an outer wall on one side of the bottom end of the mounting plate 1, an outer wall on the other side of the bottom end of the mounting plate 1 is fixedly connected to an outer tube 1 4, a synchronous pulley group 3 is mounted on the top outer wall of the mounting plate 1, one end of the output shaft of the motor 2 is connected to a transmission shaft through a coupling, the transmission shaft is fixedly connected to an inner wall on one side of the synchronous pulley group 3, a threaded tube 5 is fixedly connected to the inner wall on the other side of the synchronous pulley group 3, sliding grooves are provided on the inner walls on both sides of the threaded tube 5, an inner tube 6 is slidably connected to the inner wall of the threaded tube 5, an outer tube 1 4 is slidably connected to an outer tube 2 7, an outer tube 2 7 is slidably connected to an outer tube 3 9, a threaded groove 13 is provided on the outer wall of the bottom end of the inner tube 6, a threaded groove 13 is threadedly connected to the inner wall of the threaded groove 13, and the threaded rod 8 is fixedly connected to the inner wall at the bottom of the outer tube 3 9.
[0023] Furthermore, the outer walls on both sides of the inner tube 6 are provided with limiting protrusions 12, and the limiting protrusions 12 are slidably connected to the inner wall of the slide groove. The inner walls on both sides of the bottom of the outer tube 7 are fixedly connected with limiting blocks 10 and limiting blocks 16 from top to bottom in sequence. The limiting blocks 10 and limiting blocks 16 are both rectangular in shape, and the bottom outer wall of the inner tube 6 is fixedly connected with an annular plate 11.
[0024] Furthermore, the annular plate 11 is slidably connected to the outer walls of the limit block 10 and the limit block 2 16, the outer tube 1 4, the outer tube 2 7 and the outer tube 3 9 are all arranged in a rectangular shape, a circular groove 15 is provided on the top outer wall of the outer tube 3 9, and rectangular grooves 14 are provided on the outer walls on both sides of the outer tube 3 9, the rectangular grooves 14 are connected to the circular grooves 15, the circular grooves 15 are adapted to the size of the annular plate 11, and the rectangular grooves 14 are adapted to the size of the limit block 10 and the limit block 2 16. The circular grooves 15 provided on the outer wall of the outer tube 3 9 ensure that there is no conflict with the annular plate 11 when sliding into the inner wall of the outer tube 2 7. Similarly, the rectangular grooves 14 are adapted to the limit block 10 and the limit block 2 16 to ensure that there is no conflict in the movement, thereby realizing multi-stage telescopic structure.
[0025] A patrol robot comprises a body and a multi-stage telescopic device arranged on the body, wherein the multi-stage telescopic device is specifically any of the multi-stage telescopic devices described above.
[0026] Working principle: Before use, install the mounting plate 1 at the designated position of the inspection robot body. When multi-stage telescopic control is required, start the motor 2. The motor 2 drives the threaded tube 5 to rotate through the synchronous pulley group 3, thereby driving the outer tube 2 7 to slide and rise inside the outer tube 1 4 through the thread. When the threaded tube 5 rotates, it also drives the inner tube 6 to rotate. The threaded groove 13 at the bottom of the inner tube 6 is adapted to the threaded rod 8 at the bottom of the outer tube 3 9. During the rotation process, the outer tube 3 9 is driven to slide and rise inside the outer tube 2 7. The motor 2 controls the synchronous pulley group 3 to rotate in the opposite direction to realize the outer tube 2 7 sliding down inside the outer tube 1 4, and the outer tube 3 9 is moved down inside the outer tube 2 7. The inner tube 6 slides downward, and the limiting protrusions 12 arranged on both sides of the inner tube 6 are adapted to the sliding grooves on the inner wall of the threaded tube 5, ensuring that the inner tube 6 can slide inside the threaded tube 5 and can also rotate with the threaded tube 5. The limiting block 10 and the limiting block 2 16 arranged at the bottom of the outer tube 2 7 limit the annular plate 11 at the bottom of the inner tube 6, ensuring that the outer tube 2 7 can rise and fall with the rise and fall of the inner tube 6. The circular groove 15 arranged on the outer wall of the outer tube 3 9 ensures that there is no conflict with the annular plate 11 when sliding into the inner wall of the outer tube 2 7. Similarly, the rectangular groove 14 is adapted to the limiting block 10 and the limiting block 2 16 to ensure that the movement does not conflict, thereby realizing the multi-stage telescopic structure.
[0027] The technical means disclosed in the utility model are not limited to the technical means disclosed in the above technical means, but also include technical solutions composed of equivalent replacement of the above technical features. Matters not covered in the utility model belong to the common knowledge of those skilled in the art.
Claims
1. A multi-stage telescopic device, comprising a mounting plate (1), characterized in that: A motor (2) is mounted on an outer wall on one side of the bottom end of the mounting plate (1), an outer tube (4) is fixedly connected to an outer wall on the other side of the bottom end of the mounting plate (1), a synchronous pulley group (3) is mounted on an outer wall on the top end of the mounting plate (1), one end of the output shaft of the motor (2) is connected to a transmission shaft via a coupling, the transmission shaft is fixedly connected to an inner wall on one side of the synchronous pulley group (3), a threaded tube (5) is fixedly connected to the inner wall on the other side of the synchronous pulley group (3), the threaded tube (5) is fixedly connected to the inner wall on the other side of the synchronous pulley group (3), and the threaded tube (5) is fixedly connected to the inner wall on the other side of the synchronous pulley group (3). The inner walls of both sides of the tube (5) are provided with sliding grooves, the inner wall of the threaded tube (5) is slidably connected to the inner tube (6), the inner wall of the outer tube one (4) is slidably connected to the outer tube two (7), the inner wall of the outer tube two (7) is slidably connected to the outer tube three (9), the outer wall of the outer tube two (7) is slidably connected to the outer tube three (9), the outer wall of the bottom end of the inner tube (6) is provided with a threaded groove (13), the inner wall of the threaded groove (13) is threadedly connected to a threaded rod (8), and the threaded rod (8) is fixedly connected to the inner wall of the bottom of the outer tube three (9).
2. A multi-stage telescopic device according to claim 1, characterized in that: The outer walls on both sides of the inner tube (6) are provided with limiting protrusions (12), and the limiting protrusions (12) are slidably connected to the inner wall of the slide groove.
3. A multi-stage telescopic device according to claim 1, characterized in that: The inner walls on both sides of the bottom of the outer tube (7) are fixedly connected to the limit block (10) and the limit block (16) in sequence from top to bottom, and the limit block (10) and the limit block (16) are both arranged in a rectangular shape. The outer wall of the bottom of the inner tube (6) is fixedly connected to the annular plate (11).
4. A multi-stage telescopic device according to claim 3, characterized in that: The annular plate (11) is slidably connected to the outer walls of the first limiting block (10) and the second limiting block (16); the first outer tube (4), the second outer tube (7) and the third outer tube (9) are all arranged in a rectangular shape.
5. A multi-stage telescopic device according to claim 4, characterized in that: The top outer wall of the outer tube three (9) is provided with a circular groove (15), and the outer walls on both sides of the outer tube three (9) are provided with rectangular grooves (14), the rectangular grooves (14) are connected to the circular grooves (15), the circular grooves (15) are adapted to the size of the annular plate (11), and the rectangular grooves (14) are adapted to the size of the limit block one (10) and the limit block two (16).
6. A patrol robot, comprising a body and a multi-stage telescopic device arranged on the body, characterized in that: The multi-stage telescopic device is specifically the multi-stage telescopic device according to any one of claims 1-5.