Detection trolley for trenchless pipeline
By using electric push rods, telescopic rods, servo motors and sliding resistors in the pipeline detection car, the problem that cleaning components in the prior art cannot effectively detect the protrusions or depressions of the inner wall of the pipeline are solved, and efficient detection of the inner wall of the pipeline is achieved .
Patent Information
- Application Number
- CN202421070386.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-16
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-16
AI Technical Summary
When the existing pipeline detection trolley detects the raised or recessed inner walls of the pipe, the cleaning components cannot be effectively contacted, resulting in poor detection results.
A detection car for non-excavation pipelines is designed, using electric push rods, telescopic rods, servo motors, cameras and sliding resistors. By combining the cleaning rods and metal contacts with the sliding resistors, the current changes are monitored to Indirectly detect the protrusions or depressions in the inner wall of the pipe.
Effective detection of protrusions or depressions on the inner wall of the pipeline is achieved, and detection accuracy and cleaning effect are improved.
Smart Images
Figure CN222335134U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline detection, in particular to a detection trolley for trenchless pipelines. Background Art
[0002] Publication (announcement) No. CN220792472U, a pipeline inspection trolley, belongs to the field of pipeline inspection technology, includes an inspection drive vehicle, a column, an adjustment rod, a camera, a drive assembly and two sets of cleaning assemblies, the outer wall of the adjustment rod is fixedly installed with a ring, the outer wall of the ring is fixedly installed with a camera, one side of the adjustment rod is provided with a groove, and the drive assembly includes servo motor 2.
[0003] The above-mentioned prior art contacts the inner wall of the pipe through the cleaning component 9, and the vertical rod 7 can be driven to rotate through the servo motor 2 14 and the rotating shaft 6, so as to drive the cleaning component 9 to rotate along the inner wall of the pipe, and the stains attached to the inner wall of the pipe can be cleaned during the driving process of the detection driving vehicle 1. Since the inner wall of the pipe has protrusions or depressions, and the cleaning component 9 cannot detect the inner wall of the pipe when it contacts the inner wall of the pipe. Utility Model Content
[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a detection vehicle for non-excavation pipelines.
[0005] The utility model is implemented as follows: a detection trolley for trenchless pipelines is constructed, the device comprises a detection driving vehicle, an electric push rod is fixedly connected to the top of the detection driving vehicle, the telescopic end of the electric push rod is fixedly connected to the top of a support plate, a telescopic rod is fixedly connected to the top of the detection driving vehicle and the other end of the telescopic rod is fixedly connected to the top of the support plate, a cross bar is fixedly connected to the side wall of the support plate, a plurality of cameras are fixedly connected to the side wall of the cross bar, a servo motor is fixedly connected inside the support plate, an output shaft of the servo motor is fixedly connected to the output shaft, and drives the output shaft to be rotatably connected inside the cross bar: the output shaft is fixedly connected to a rotating rod, two groups of digital display ammeters are fixedly connected to the side wall of the rotating rod, a cleaning rod is slidably connected to the inner side wall of the rotating rod, the side wall of the lower end of the cleaning rod is fixedly connected to one end of a spring, and the other end of the spring is fixedly connected to the inside of the rotating rod, a metal contact is fixedly connected to the bottom of the cleaning rod, the metal contact conflicts with a sliding resistor, the sliding resistor is fixedly connected to the inner side wall of the rotating rod, and a power supply is arranged inside the rotating rod.
[0006] Preferably, the cleaning rod, the spring, the metal contact and the sliding resistor are provided in two groups and are symmetrically installed at the upper and lower ends of the rotating rod.
[0007] Preferably, the crossbar is in the shape of a hollow cylinder.
[0008] The utility model has the following advantages: The utility model provides a detection vehicle for non-excavation pipelines through improvement, which has the following improvements compared with the same type of equipment:
[0009] The utility model discloses a detection trolley for trenchless pipelines. In the process of moving, the cleaning rod drives the metal contact to move, and the metal contact changes the position of the sliding resistor, and then the resistance of the sliding resistor is changed. At the same time, the current size of the sliding resistor is changed, and the digital display ammeter can detect and record the change of the current size. By monitoring the change of the current, it is possible to indirectly detect whether the internal area of the pipeline has bulges or depressions. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the structure of the utility model;
[0011] Figure 2 This is a schematic diagram of the crossbar connection relationship structure of the utility model;
[0012] Figure 3 It is a schematic diagram of the camera structure of the utility model;
[0013] Figure 4 It is a schematic diagram of the internal structure of the rotating rod of the utility model;
[0014] Figure 5 It is a schematic diagram of the connection relationship structure of the sliding resistor of the utility model.
[0015] Among them: detection drive vehicle-1, electric push rod-2, support plate-3, cross bar-4, camera-5, servo motor-6, output shaft-7, rotating rod-8, digital display ammeter-9, cleaning rod-10, spring-11, metal contact-12, sliding resistor-13, power supply-14. DETAILED DESCRIPTION
[0016] The following will be combined with the attached Figure 1-Figure 5 The utility model is described in detail, and the technical solutions in the embodiments of the utility model are made clear. The complete description is obvious. The described embodiments are only part of the embodiments of the utility model, not all of them. 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.
[0017] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0019] See also Figures 1 to 5 The utility model is a kind of inspection vehicle for trenchless pipeline, comprising an inspection driving vehicle 1, the top of which is fixedly connected with an electric push rod 2, the inspection driving vehicle 1 is used to be placed in the pipeline and move to inspect the inner wall of the pipeline, the telescopic end of the electric push rod 2 is fixedly connected with the top of the support plate 3, and the top of the inspection driving vehicle 1 is fixedly connected with a telescopic rod S (such as Figure 1 As shown), the other end of the telescopic rod S is fixedly connected to the top of the support plate 3, the side wall of the support plate 3 is fixedly connected to a cross bar 4, and the side wall of the cross bar 4 is fixedly connected to multiple groups of cameras 5. A servo motor 6 is fixedly connected inside the support plate 3, and the output shaft of the servo motor 6 is fixedly connected to the output shaft 7, and drives the output shaft 7 to be rotatably connected to the cross bar 4. A storage power supply is provided on the detection drive vehicle 1, and is electrically connected to the electric push rod 2 and the servo motor 6, and provides power for the electric push rod 2 and the servo motor 6 to work. When working, the detection drive vehicle 1 drives the camera 5 to move inside the pipeline, and performs video detection on the circumferential inner wall of the pipeline through the camera 5.
[0020] Specifically, the output shaft 7 is fixedly connected to the rotating rod 8, and two sets of digital display ammeters 9 are fixedly connected to the side wall of the rotating rod 8. A cleaning rod 10 is slidably connected to the inner wall of the rotating rod 8. The lower end side wall of the cleaning rod 10 is fixedly connected to one end of a spring 11, and the other end of the spring 11 is fixedly connected to the rotating rod 8. A metal contact 12 is fixedly connected to the bottom of the cleaning rod 10, and the metal contact 12 is in contact with a sliding resistor 13. The sliding resistor 13 is fixedly connected to the inner wall of the rotating rod 8. A power supply 14 is provided in the rotating rod 8 for supplying power to the sliding resistor 13, and the sliding resistor 13 is connected to the digital display ammeter 9 through a wire. The digital display ammeter 9 can measure the current passing through the wire, and when detecting the inner wall of the pipeline, the control The servo motor 6 drives the output shaft 7 to rotate, and the output shaft 7 drives the rotating rod 8 to rotate. The rotating rod 8 can also drive the cleaning rod 10 to rotate, and the cleaning rod 10 contacts the inner wall of the pipeline. When there is a protrusion or a depression on the inner wall of the pipeline, the cleaning rod 10 slides up and down on the side wall of the rotating rod 8 through the spring 11. During the movement of the cleaning rod 10, the metal contact 12 is driven to move, and the metal contact 12 changes its position on the sliding resistor 13, and then the resistance of the sliding resistor 13 is changed. At the same time, the current size of the sliding resistor 13 changes, and the digital display ammeter 9 can detect and record the change in the current size. By monitoring the change in current, it is possible to indirectly detect whether the internal area of the pipeline has protrusions or depressions.
[0021] Specifically, the cleaning rod 10, the spring 11, the metal contact 12, and the sliding resistor 13 are provided in two groups and are symmetrically installed at the upper and lower ends of the rotating rod 8. The top of the cleaning rod 10 is connected with a cleaning brush for contact cleaning of the inner wall of the pipeline.
[0022] Specifically, the cross bar 4 is in the shape of a hollow cylinder.
[0023] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.
[0024] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A detection vehicle for trenchless pipelines, comprising a detection driving vehicle, an electric push rod is fixedly connected to the top of the detection driving vehicle, the telescopic end of the electric push rod is fixedly connected to the top of the support plate, a telescopic rod is fixedly connected to the top of the detection driving vehicle and the other end of the telescopic rod is fixedly connected to the top of the support plate, a cross bar is fixedly connected to the side wall of the support plate, a plurality of cameras are fixedly connected to the side wall of the cross bar, a servo motor is fixedly connected inside the support plate, an output shaft of the servo motor is fixedly connected to the output shaft, and drives the output shaft to rotate in the cross bar; Features: The output shaft is fixedly connected to the rotating rod, two sets of digital ammeters are fixedly connected to the side wall of the rotating rod, a cleaning rod is slidably connected to the inner wall of the rotating rod, the lower side wall of the cleaning rod is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to the inside of the rotating rod, a metal contact is fixedly connected to the bottom of the cleaning rod, the metal contact is in contact with a sliding resistor, the sliding resistor is fixedly connected to the inner wall of the rotating rod, and a power supply is provided in the rotating rod.
2. The inspection vehicle for trenchless pipeline according to claim 1, characterized in that: The cleaning rod, the spring, the metal contact and the sliding resistor are provided with two groups and are symmetrically installed at the upper and lower ends of the rotating rod.
3. The inspection vehicle for trenchless pipeline according to claim 2, characterized in that: The crossbar is in the shape of a hollow cylinder.