Handheld detection device suitable for small-caliber container

Abstract

The utility model relates to a handheld detection device suitable for a small-caliber container, and aims to solve the technical problem of how to design a small-caliber container which is low in cost, simple to operate and use, high in universality and particularly suitable for the container with a large ratio of the internal diameter to the inlet diameter. The device comprises a handle shell, a rotating handle, a handle shaft, an operation end driving bevel gear, an operation end driven bevel gear, an operation end driving shaft, a supporting pipe, a tail end supporting shell, a transmission shaft, a tail end driving bevel gear, a tail end driven bevel gear, a first connecting rod, a second connecting rod, a tail end supporting shell, a tail end supporting plate, a movable rod and a first rod end joint bearing. The second rod end knuckle bearing, the third rod end knuckle bearing, the first gear, the second gear and the supporting pipe are connected between the handle shell and the tail end supporting shell. The utility model is especially suitable for small-caliber containers with larger ratio of the internal diameter to the inlet diameter.

Description

Technical Field

[0001] The utility model relates to the technical field of container internal detection, in particular to a handheld detection device suitable for small-caliber containers. Background Art

[0002] Currently, the devices used to inspect the interior of containers are mainly robots, with reference to application publication number CN116357834A, entitled a soft-rod magnetic wheel adsorption robot for valve container interior inspection, and application publication number CN116221540A, entitled a valve container interior inspection soft robot adaptable to variable diameter inner cavities.

[0003] By using robots to enter the interior of the container, internal inspection can be performed, but the cost of using robots is high and the design and control are relatively complex. Especially for small-caliber containers with a large ratio of the internal diameter of the container to the entrance diameter, it is difficult to use robots to detect internal defects, and even the robot cannot enter from the entrance of the container to perform inspection tasks; in some fields such as nuclear power, hot spots and chemical industry, there are some containers with small entrances and large diameters, for example, the entrance diameter is 300mm, the internal diameter of the container is 1000mm, the length of the container is 3000mm, and the entrance of the container is short. If the robot is used for internal inspection, on the one hand, the cost of use is high, and on the other hand, it is very difficult for the robot to crawl from the entrance of the container. In addition, some robots only detect containers of special shapes, and their portability is not high and their versatility is poor.

[0004] Therefore, how to design a container with low cost, simple operation and use, strong versatility, suitable for various containers, especially for small-caliber containers with a large ratio of the inner diameter to the inlet diameter is a technical problem that needs to be solved urgently by technical personnel in this field. Summary of the invention

[0005] The utility model aims to solve the technical problem of how to design a low-cost, simple to operate and use, with strong versatility, especially suitable for small-caliber containers with a large ratio of the inner diameter of the container to the inlet diameter, and to provide a handheld detection device suitable for small-caliber containers with low cost, simple operation and strong versatility.

[0006] The handheld detection device suitable for small-caliber containers provided by the utility model comprises a handle housing, a rotating handle, a handle shaft, an operating end active bevel gear, an operating end driven bevel gear, an operating end drive shaft, a bearing 1, a bearing 2, a support tube, an end support housing, a transmission shaft, a transmission shaft support bearing, a first rotating shaft, a first rotating shaft support bearing, a second rotating shaft, a bearing 3, a bearing 4, an end active bevel gear, an end driven bevel gear, a first connecting rod, a second connecting rod, an end support housing, an end support plate, a movable rod, a first rod end joint bearing, a second rod end joint bearing, a third rod end joint bearing, a first gear and a second gear, a support One end of the tube is fixedly connected to the handle housing, and the other end of the support tube is fixedly connected to the end support housing; the operating end active bevel gear, the operating end driven bevel gear and the operating end drive shaft are located in the handle housing, one end of the operating end drive shaft is rotatably connected to the handle housing through a bearing, the other end of the operating end drive shaft is rotatably connected to the handle housing through a second bearing, the operating end driven bevel gear is fixedly connected to the operating end drive shaft, the handle shaft is rotatably connected to the handle housing through a bearing, the rotating handle is fixedly connected to one end of the handle shaft, the operating end active bevel gear is fixedly connected to the other end of the handle shaft, and the operating end driven bevel gear is meshed with the operating end active bevel gear;

[0007] The transmission shaft is located in the support tube, one end of the transmission shaft is fixedly connected to the operating end drive shaft through a coupling 1, the other end of the transmission shaft is fixedly connected to the first rotating shaft through a coupling 2, the middle part of the transmission shaft is rotatably connected to the inner wall of the support tube through a transmission shaft support bearing, the first rotating shaft is rotatably connected to the terminal support shell through the first rotating shaft support bearing, one end of the second rotating shaft is rotatably connected to the terminal support shell through a bearing 3, the other end of the second rotating shaft is rotatably connected to the terminal support shell through a bearing 4, the terminal active bevel gear and the terminal driven bevel gear are located inside the terminal support shell, the terminal active bevel gear is fixedly connected to the first rotating shaft, the terminal driven bevel gear is fixedly connected to the second rotating shaft, and the terminal active bevel gear is meshed with the terminal driven bevel gear;

[0008] The rear end of the first connecting rod is fixedly connected to the end of the second rotating shaft, the second rod end joint bearing is fixedly connected to the front end of the first connecting rod, the second rod end joint bearing is rotatably connected to the end support plate, the rear end of the second connecting rod is rotatably connected to the end support housing, the third rod end joint bearing is fixedly connected to the front end of the second connecting rod, the third rod end joint bearing is rotatably connected to the end support plate, and the second gear is fixedly connected to the third rod end joint bearing; one end of the movable rod is fixedly connected to the first rod end joint bearing, and the first rod end joint bearing is rotatably connected to the end support plate;

[0009] The second gear meshes with the first gear.

[0010] Preferably, the handheld detection device suitable for small-caliber containers further comprises a first bolt, a first nut, a second bolt, a second nut, a third bolt and a third nut;

[0011] The first bolt passes through the end support plate, the second rod end joint bearing is sleeved on the first bolt, and the first nut is connected to the first bolt; the second bolt passes through the end support plate, the second nut is connected to the second bolt, the third rod end joint bearing is sleeved on the second bolt, and the second bolt passes through the second gear; the third bolt passes through the end support plate, the third nut is connected to the third bolt, the first rod end joint bearing is sleeved on the third bolt, and the third bolt passes through the first gear.

[0012] Preferably, the handheld detection device suitable for small-caliber containers also includes a third rotating shaft, which is rotatably connected to the end support shell through a bearing, and the rear end of the second connecting rod is fixedly connected to the third rotating shaft.

[0013] Preferably, the handheld detection device suitable for small-caliber containers further comprises a handle positioning pin, which is detachably inserted into the handle housing.

[0014] Preferably, a camera or a sensor is connected to the free end of the movable rod.

[0015] The beneficial effects of the utility model are: the whole device is light in weight, highly flexible in use, convenient and simple in operation, suitable for containers of various sizes and shapes, and highly versatile, especially suitable for containers with small diameters and large ratios of the inner diameter of the container to the inlet diameter. The action reliability is high. The whole device has a very low cost, and the cost advantage is particularly obvious compared to the robots used in the prior art.

[0016] Further features and aspects of the present invention will be clearly described in the following description of specific embodiments with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an axonometric view of a handheld inspection device suitable for small-caliber containers;

[0018] Figure 2 It is an axonometric view of a handheld inspection device suitable for small-caliber containers;

[0019] Figure 3 It is a front view of a handheld detection device suitable for small-caliber containers;

[0020] Figure 4 yes Figure 3 Cross-section view in the AA direction;

[0021] Figure 5 It is a left view of a handheld detection device suitable for small-caliber containers;

[0022] Figure 6 yes Figure 3 A partial enlarged view of the end portion of the structure shown;

[0023] Figure 7 yes Figure 4 A partial enlarged view of the operating end portion of the structure shown;

[0024] Figure 8 yes Figure 4 A partial enlarged view of the end portion of the structure shown;

[0025] Fig. 9 yes Figure 1 The schematic diagram of the structure of the end portion of the handheld detection device suitable for small-caliber containers in the initial state;

[0026] Fig.10 It is a schematic diagram of the structure of the end portion of the handheld detection device suitable for small-caliber containers after being rotated by a certain angle;

[0027] Fig.11 It is a schematic diagram of the state in which the end portion of the handheld detection device suitable for small-diameter containers is in an initial state, and the end portion is extended from the entrance of the small-diameter container into the inner cavity of the container;

[0028] Fig.12 yes Fig.11 Schematic diagram of the state of the small-caliber container shown in the figure, in which the end portion moves and the movable rod is unfolded.

[0029] Explanation of symbols in the figure:

[0030] 1. Handle housing, 2. Rotating handle, 3. Handle locating pin, 4. Support tube, 5. Movable rod, 6. First rod end joint bearing, 7. First gear, 8. End support plate, 9. First bolt, 10. Second rod end joint bearing, 11. Second gear, 12. Third rod end joint bearing, 13. Second connecting rod, 14. First connecting rod, 15. End support housing; 16. Operating end drive shaft, 17. Bearing 1, 18. Operating end driven bevel gear, 20. Bearing 2, 21. Coupling 1, 22. Operating end active bevel gear, 23. .Handle shaft, 24. Screw, 25. Bearing, 26. Transmission shaft, 27. Transmission shaft support bearing, 28. First rotating shaft support bearing, 29. Coupling 2, 30. First rotating shaft, 31. Second rotating shaft, 32. End driving bevel gear, 33. End driven bevel gear, 34. Bearing 3, 35. Bearing 4, 36. Screw, 37. First nut, 38. Second bolt, 39. Third bolt, 40. Second nut, 41. Third nut, 42. Welding point, 43. Welding point, 44. Small-diameter container, 45. Camera. DETAILED DESCRIPTION

[0031] The present invention will be further described in detail below with reference to the accompanying drawings using specific embodiments.

[0032] like Figure 1-8 As shown, the handheld detection device suitable for small-diameter containers includes an operating end part, a middle part, and a terminal part. The operating end part includes a handle shell 1, a rotating handle 2, a handle shaft 23, an operating end active bevel gear 22, and an operating end driven bevel gear 18. The terminal part includes a second connecting rod 13, a first connecting rod 14, an end support plate 8, an end support shell 15, and a movable rod 5. The middle part includes a support tube 4, one end of the support tube 4 is fixedly connected to the handle shell 1 by a screw, and the other end of the support tube 4 is fixedly connected to the terminal support shell 15.

[0033] The operating end active bevel gear 22, the operating end driven bevel gear 18 and the operating end drive shaft 16 are located in the handle housing 1. One end of the operating end drive shaft 16 is rotatably connected to the handle housing 1 through a bearing 17, and the other end of the operating end drive shaft 16 is rotatably connected to the handle housing 1 through a bearing 20. The operating end driven bevel gear 18 is fixedly connected to the operating end drive shaft 16. The handle shaft 23 is rotatably connected to the handle housing 1 through a bearing 25. The rotating handle 2 is fixedly mounted on one end of the handle shaft 23 by a screw 24. The operating end active bevel gear 22 is fixedly connected to the other end of the handle shaft 23, and the operating end driven bevel gear 18 is meshed with the operating end active bevel gear 22. The handle positioning pin 3 is detachably inserted into the handle housing 1, and the handle positioning pin 3 is close to the rotating handle 2. The handle positioning pin 3 blocks the rotating handle 2 so that it cannot rotate; when the handle positioning pin 3 is pulled out, the rotating handle 2 can rotate freely under the action of external force.

[0034] One end of the transmission shaft 26 is fixedly connected to the operating end drive shaft 16 through a coupling 21. The transmission shaft 26 is located in the support tube 4. When the operator manually rotates the rotating handle 2, the rotating handle 2 drives the operating end active bevel gear 22 to rotate through the handle shaft 23, the operating end active bevel gear 22 drives the operating end driven bevel gear 18 to rotate, and the operating end driven bevel gear 18 drives the transmission shaft 26 to rotate through the operating end drive shaft 16.

[0035] The other end of the transmission shaft 26 is fixedly connected to the first rotating shaft 30 through a coupling 29, the middle part of the transmission shaft 26 is rotatably connected to the inner wall of the support tube 4 through a transmission shaft support bearing 27, the first rotating shaft 30 is rotatably connected to the terminal support housing 15 through a first rotating shaft support bearing 28, one end of the second rotating shaft 31 is rotatably connected to the terminal support housing 15 through a bearing 34, the other end of the second rotating shaft 31 is rotatably connected to the terminal support housing 15 through a bearing 4 35, the terminal driving bevel gear 32 and the terminal driven bevel gear 33 are located inside the terminal support housing 15, the terminal driving bevel gear 32 is fixedly connected to the first rotating shaft 30, the terminal driven bevel gear 33 is fixedly connected to the second rotating shaft 31, and the terminal driving bevel gear 32 is meshed with the terminal driven bevel gear 33.

[0036] The rear end of the first connecting rod 14 is fixedly connected to the end of the second rotating shaft 31 by means of a screw 36, and the end of the second rotating shaft 31 is located outside the end support housing 15. The first bolt 9 passes through the end support plate 8, and the second rod end joint bearing 10 is fixedly connected to the front end of the first connecting rod 14, and the second rod end joint bearing 10 is sleeved on the first bolt 9 (the first bolt 9 is connected to the inner ring of the bearing part of the second rod end joint bearing 10), and the first nut 37 is connected to the first bolt 9, and the first bolt 9 is fixed, and the second rod end joint bearing 10 can rotate with the first bolt 9 as a reference.

[0037] The rear end of the second connecting rod 13 is fixedly connected to the third rotating shaft, and the third rotating shaft is rotatably connected to the end support housing 15 through a bearing, and the third rod end joint bearing 12 is fixedly connected to the front end of the second connecting rod 13. The second bolt 38 passes through the end support plate 8, and the second nut 40 is connected to the second bolt 38. The third rod end joint bearing 12 is sleeved on the second bolt 38 (the second bolt 38 is connected to the inner ring of the bearing part of the third rod end joint bearing 12), the second bolt 38 is fixed, and the third rod end joint bearing 12 can rotate based on the second bolt 38. The second bolt 38 passes through the second gear 11, and the second gear 11 and the outer ring of the bearing part of the third rod end joint bearing 12 are fixedly connected together by welding ( Figure 2 The middle welding point 42 fixedly connects the end face of the second gear 11 to the outer ring of the bearing part of the third rod end joint bearing 12). When the third rod end joint bearing 12 rotates, the second gear 11 rotates accordingly.

[0038] One end of the movable rod 5 is fixedly connected to the first rod end joint bearing 6, the third bolt 39 passes through the end support plate 8, the third nut 41 is connected to the third bolt 39, the first rod end joint bearing 6 is sleeved on the third bolt 39 (the third bolt 39 is connected to the inner ring of the bearing part of the first rod end joint bearing 6), the third bolt 39 is fixed, and the first rod end joint bearing 6 can rotate based on the third bolt 39. The third bolt 39 passes through the first gear 7, and the first gear 7 is fixedly connected to the outer ring of the bearing part of the first rod end joint bearing 6 by welding ( Figure 2 The middle welding point 43 fixedly connects the end face of the first gear 7 and the outer ring of the bearing part of the first rod end joint bearing 6. When the first gear 7 rotates, the first rod end joint bearing 6 rotates accordingly.

[0039] The second gear 11 meshes with the first gear 7 .

[0040] The second connecting rod 13, the first connecting rod 14, the end support housing 15 and the end support plate 8 constitute a parallelogram connecting rod mechanism.

[0041] The following describes the use of the above-mentioned handheld detection device suitable for small-diameter containers:

[0042] A camera 45 is mounted on the free end of the movable rod 5 .

[0043] refer to Fig.11 The operator holds a handheld detection device suitable for small-diameter containers and Fig. 9 The handheld detection device suitable for small-diameter containers in the initial state shown is extended into the inner cavity of the container from the entrance of the small-diameter container 44. Then, the rotating handle 2 is manually turned to drive the transmission shaft 26 to rotate, and the transmission shaft 26 rotates through the terminal active bevel gear 32 and the terminal driven bevel gear 33 to drive the second rotating shaft 31 to rotate, and the rotation of the second rotating shaft 31 drives the first connecting rod 14 to rotate with the terminal support shell 15 as a reference, and the parallelogram linkage mechanism is actuated, and the second connecting rod 13 also rotates, and the second connecting rod 13 drives the second gear 11 to rotate, and the second gear 11 drives the first gear 7 to rotate, and the first gear 7 drives the movable rod 5 to rotate, and the movable rod 5 gradually expands to Fig.10 and 12 In the state shown, the camera 45 installed on the free end of the movable rod 5 is close to the inner wall of the container. At this time, the camera 45 can capture images of the inner wall of the container and perform detection work.

[0044] After the inspection is completed, the handle 2 is rotated in the opposite direction, and the movable rod 5 is retracted to Fig.11 and 9 The initial state is shown.

[0045] It can be seen that the entire operation process is convenient and simple, and is suitable for containers of various sizes and shapes, with strong versatility, especially for containers with small diameters and large ratios of the inner diameter of the container to the inlet diameter. The entire device is light in weight, highly flexible in use, and highly reliable in mechanism. The cost of the entire device is very low.

[0046] It should be noted that the free end of the movable rod 5 is not limited to being installed with the camera 45, but may also be installed with a sensor.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes.

Claims

1. A handheld detection device suitable for small-caliber containers, characterized in that: The present invention comprises a handle housing, a rotating handle, a handle shaft, an operating end active bevel gear, an operating end driven bevel gear, an operating end drive shaft, a bearing 1, a bearing 2, a support tube, a transmission shaft, a transmission shaft support bearing, a first rotating shaft, a first rotating shaft support bearing, a second rotating shaft, a bearing 3, a bearing 4, a terminal active bevel gear, a terminal driven bevel gear, a first connecting rod, a second connecting rod, a terminal support housing, a terminal support plate, a movable rod, a first rod end joint bearing, a second rod end joint bearing, a third rod end joint bearing, a first gear and a second gear, one end of the support tube is fixedly connected to the handle housing, and the other end of the support tube is fixedly connected to the handle housing. The end support shell is fixedly connected; the operating end active bevel gear, the operating end driven bevel gear and the operating end drive shaft are located in the handle shell, one end of the operating end drive shaft is rotatably connected to the handle shell through a bearing, the other end of the operating end drive shaft is rotatably connected to the handle shell through a second bearing, the operating end driven bevel gear is fixedly connected to the operating end drive shaft, the handle shaft is rotatably connected to the handle shell through a bearing, the rotating handle is fixedly connected to one end of the handle shaft, the operating end active bevel gear is fixedly connected to the other end of the handle shaft, and the operating end driven bevel gear is meshed with the operating end active bevel gear; The transmission shaft is located in the support tube, one end of the transmission shaft is fixedly connected to the operating end drive shaft through a coupling 1, the other end of the transmission shaft is fixedly connected to the first rotating shaft through a coupling 2, the middle part of the transmission shaft is rotatably connected to the inner wall of the support tube through a transmission shaft support bearing, the first rotating shaft is rotatably connected to the terminal support shell through a first rotating shaft support bearing, one end of the second rotating shaft is rotatably connected to the terminal support shell through a bearing 3, the other end of the second rotating shaft is rotatably connected to the terminal support shell through a bearing 4, the terminal active bevel gear and the terminal driven bevel gear are located inside the terminal support shell, the terminal active bevel gear is fixedly connected to the first rotating shaft, the terminal driven bevel gear is fixedly connected to the second rotating shaft, and the terminal active bevel gear is meshed with the terminal driven bevel gear; The rear end of the first connecting rod is fixedly connected to the end of the second rotating shaft, the second rod end joint bearing is fixedly connected to the front end of the first connecting rod, the second rod end joint bearing is rotatably connected to the end support plate, the rear end of the second connecting rod is rotatably connected to the end support housing, the third rod end joint bearing is fixedly connected to the front end of the second connecting rod, the third rod end joint bearing is rotatably connected to the end support plate, and the second gear is fixedly connected to the third rod end joint bearing; one end of the movable rod is fixedly connected to the first rod end joint bearing, and the first rod end joint bearing is rotatably connected to the end support plate; The second gear meshes with the first gear.

2. The handheld detection device suitable for small-caliber containers according to claim 1, characterized in that: The handheld detection device suitable for small-caliber containers also includes a first bolt, a first nut, a second bolt, a second nut, a third bolt and a third nut; The first bolt passes through the end support plate, the second rod end joint bearing is sleeved on the first bolt, and the first nut is connected to the first bolt; the second bolt passes through the end support plate, the second nut is connected to the second bolt, the third rod end joint bearing is sleeved on the second bolt, and the second bolt passes through the second gear; the third bolt passes through the end support plate, the third nut is connected to the third bolt, the first rod end joint bearing is sleeved on the third bolt, and the third bolt passes through the first gear.

3. The handheld detection device suitable for small-diameter containers according to claim 1 or 2, characterized in that: The handheld detection device suitable for small-caliber containers also includes a third rotating shaft, which is rotatably connected to the end support shell through a bearing, and the rear end of the second connecting rod is fixedly connected to the third rotating shaft.

4. The handheld detection device suitable for small-caliber containers according to claim 1, characterized in that: The handheld detection device suitable for small-caliber containers also includes a handle positioning pin, which is detachably inserted into the handle housing.

5. The handheld detection device suitable for small-caliber containers according to claim 1 or 2, characterized in that: The free end of the movable rod is connected with a camera or a sensor.

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