Cable length meter counter for drainage pipeline detection robot

Abstract

The utility model discloses a cable length meter counter for a drainage pipeline detection robot, belongs to the technical field of metering, and solves the problems that in the prior art, a cable pressing wheel cannot enable a cable to be in full contact with a meter counting wheel, the cable entering the meter counter is not tidied, and the meter counter is low in accuracy. The device mainly comprises a frame and a controller, the controller is fixed in the frame, the frame is provided with a pressing cylinder, a piston rod of the pressing cylinder is provided with a line pressing device, the line pressing device comprises a main line pressing device and auxiliary line pressing devices, the auxiliary line pressing devices are arranged on the two sides of the main line pressing device, a meter counting wheel is arranged under the main line pressing device and fixed to the bottom of the frame, and the meter counting wheel is arranged on the bottom of the frame. A shaft of the meter counting wheel is provided with an input end of a coupler, and an output end of the coupler is provided with a rotary encoder. According to the utility model, the main wire pressing device and the auxiliary wire pressing device are matched, and the main wire pressing device enables the cables to be in close contact with the meter counting wheel, so that the cables on the two sides of the meter counting wheel are more regular, and the accuracy of the device is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, and in particular to a cable length meter for a drainage pipeline detection robot. Background Art

[0002] Meters are widely used in industries that require high precision in metering, such as pipeline detection and cable storage. Especially when exploring drainage pipes, the drainage pipe robot needs to record the distance it enters after entering the pipe. The application with publication number CN210400304U in the prior art discloses a meter meter, which includes a bottom plate, a meter wheel and a wire pressing wheel. The mobile device can drive the wire pressing wheel to move and adjust the pressure of the wire pressing wheel on the cable; but the meter wheel and the wire pressing wheel are arranged horizontally, and the cable is prone to bending. Moreover, the horizontally arranged wire pressing wheel cannot allow the cable to fully contact the meter wheel, which is easy to slip. In addition, the inner cable entering the meter meter is not arranged, and the meter counting accuracy of the device is low. At present, there is a lack of a more stable cable length meter for drainage pipe detection robots. Summary of the invention

[0003] The purpose of the utility model is to provide a cable length meter for a drainage pipe inspection robot to solve the problem that the pressure wire wheel in the prior art cannot allow the cable to fully contact with the meter wheel, and the inner cable entering the meter is not sorted, resulting in low accuracy of the meter.

[0004] The utility model is realized by the following technical solutions:

[0005] A cable length meter for a drainage pipe inspection robot comprises a frame, a downward pressure cylinder is provided on the frame, a wire pressing device is provided on the piston rod of the downward pressure cylinder, the wire pressing device comprises a main wire pressing device and an auxiliary wire pressing device, the auxiliary wire pressing devices are on both sides of the main wire pressing device, a meter wheel is provided directly below the main wire pressing device, the meter wheel is fixed to the bottom of the frame, an input end of a coupling is mounted on the shaft of the meter wheel, a rotary encoder is mounted on the output end of the coupling, wire transmission channels are provided on both sides of the frame, a wire transmission board is provided in the wire transmission channel, an auxiliary wire pressing device is provided directly above the wire transmission board, and a controller is electrically connected to the downward pressure cylinder.

[0006] Furthermore, the wire crimping device comprises a connecting plate, which is fixed on the piston rod of the downward pressing cylinder. A mounting seat is provided at the bottom of the connecting plate, and the main wire crimper and the auxiliary wire crimper are both fixed on the mounting seat.

[0007] Furthermore, the main wire crimper and the auxiliary wire crimper both include a connecting seat, a wire crimping wheel is provided on the connecting seat, a guide column is provided on the connecting seat, and an elastic member is provided on the outer surface of the guide column; one end of the elastic member is connected to the connecting seat, and the other end is connected to the mounting seat; the guide column passes through the mounting seat and is slidably connected to the connecting seat. The guide column plays a guiding role, so that the wire crimping wheel moves vertically, and the elastic member makes the wire crimping wheel elastic during the downward pressing process.

[0008] Furthermore, the transmission board is provided with a transmission trough for placing cables, which straightens the shape of the cables and is conducive to the stable counting of the meter.

[0009] Furthermore, a thumb cylinder is fixed on the line transmission board, and two rollers are arranged on the thumb cylinder. A limiting hole is provided on the line transmission board, and the rollers pass through the limiting hole of the line transmission board and extend out of the plane of the line transmission board. The two rollers are arranged on both sides of the line transmission groove to limit the cable, so that the cable has a more regular and straighter shape when entering the technical wheel. The thumb cylinder is electrically connected to the controller.

[0010] Furthermore, photoelectric sensors are provided on both sides of the frame, the photoelectric sensors are fixed just above the transmission board, the photoelectric sensors are facing the transmission trough, and the photoelectric sensors are electrically connected to the controller.

[0011] Furthermore, the material of the crimping wheel is rubber, which is elastic and can produce a large deformation, and can return to its original shape after the external force is removed; thus, the cable can be better contacted with the meter wheel.

[0012] Furthermore, the meter wheel is provided with a groove on its circumference, the groove can better contact the cable, and the groove and the cable trough are in the same straight line.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model adopts the cooperation of the main wire presser and the auxiliary wire presser. The main wire presser makes the cable closely contact with the meter wheel, and the auxiliary wire pressers on both sides press the cable into the wire transmission groove, so that the cables on both sides of the meter wheel are more regular and the accuracy of the device is higher.

[0015] 2. The utility model adopts a thumb cylinder with rollers and a cable trough to further straighten the cables.

[0016] 3. The main wire crimper and the auxiliary wire crimper of the utility model are connected by elastic parts, which can adapt to cables of different sizes and have better adaptability.

[0017] 4. The utility model adopts a photoelectric sensor to monitor the opening and realize the automation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a sectional front view of the utility model;

[0019] Figure 2 It is an external schematic diagram of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the main wire crimper and the auxiliary wire crimper of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the meter wheel of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the transmission board of the utility model;

[0023] Figure 6 It is a right view of the meter wheel of the utility model.

[0024] In the figure: 1. frame; 2. downward pressure cylinder; 3. wire pressing device; 4. mounting seat; 5. auxiliary wire pressing device; 6. photoelectric sensor; 7. wire transmission plate; 8. thumb cylinder; 9. meter wheel; 10. main wire pressing device; 11. roller; 12. wire transmission trough; 13. connecting seat; 14. guide column; 15. elastic member; 16. groove; 17. rotary encoder. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention is clearly and completely described below in conjunction with the drawings of the present invention. Based on the embodiments in this application, other similar embodiments obtained by ordinary technicians in this field without making creative work should all fall within the scope of protection of this application. In addition, the directional words mentioned in the following embodiments, such as "up", "down", "left", "right", etc., are only referenced to the directions of the drawings. Therefore, the directional words used are used to illustrate rather than limit the creation of the present invention.

[0026] The utility model is further described below in conjunction with the accompanying drawings.

[0027] Embodiment 1: A cable length meter for a drainage pipe inspection robot, comprising a frame 1, such as Figure 1 – Figure 6As shown, the frame 1 is provided with a downward pressing cylinder 2, and a wire pressing device 3 is provided on the piston rod of the downward pressing cylinder 2. The wire pressing device 3 includes a main wire pressing device 10 and an auxiliary wire pressing device 5. The auxiliary wire pressing device 5 is on both sides of the main wire pressing device 10. A meter wheel 9 is provided directly below the main wire pressing device 10. The meter wheel 9 is fixed at the bottom of the frame 1. The input end of the coupling is installed on the shaft of the meter wheel 9, and a rotary encoder 17 is installed on the output end of the coupling. The structure of the meter wheel 9 connecting the rotary encoder 17 to measure meters is the prior art and will not be repeated. A wire transmission channel is provided on both sides of the frame 1, and a wire transmission board 7 is provided in the wire transmission channel. An auxiliary wire pressing device 5 is provided directly above the wire transmission board 7, and a controller is electrically connected to the downward pressing cylinder 2. The utility model adopts the cooperation of the main wire pressing device 10 and the auxiliary wire pressing device 5. The main wire pressing device 10 makes the cable in close contact with the meter wheel 9, and the auxiliary wire pressing devices 5 on both sides press the cable into the wire transmission groove 12, so that the cables on both sides of the meter wheel 9 are more regular and the accuracy of the device is higher.

[0028] Embodiment 2, a cable length meter for a drainage pipe inspection robot, the wire pressing device 3 comprises a connecting plate, the connecting plate is fixed on the piston rod of the pressing cylinder 2, a mounting seat 4 is provided at the bottom of the connecting plate, the main wire pressing device 10 and the auxiliary wire pressing device 5 are both fixed on the mounting seat 4; Figure 3 As shown, the main wire crimper 10 and the auxiliary wire crimper 5 both include a connecting seat 13, a wire crimping wheel is arranged on the connecting seat 13, a guide column 14 is arranged on the connecting seat 13, and an elastic member 15 is arranged outside the guide column 14; one end of the elastic member 15 is connected to the connecting seat 13, and the other end is connected to the mounting seat 4; the guide column 14 passes through the mounting seat 4 and is slidably connected to the connecting seat 4. The guide column 14 plays a guiding role, so that the wire crimping wheel moves vertically, and the elastic member 15 makes the wire crimping wheel elastic during the downward pressing process; as shown Figure 5 As shown, the line transmission plate 7 is provided with a line transmission trough 12, which is used to place cables and straighten the shape of the cables, which is conducive to the stable counting of the meter; a thumb cylinder 8 is fixed on the line transmission plate 7, and two rollers 11 are provided on the thumb cylinder 8. A limiting hole is provided on the line transmission plate 7, and the rollers 11 pass through the limiting holes of the line transmission plate 7 and extend out of the plane of the line transmission plate 7. The two rollers 11 are arranged on both sides of the line transmission trough 12 to limit the position of the cables, so that the shape of the cables entering the technical wheel is more regular and straighter, and the thumb cylinder 8 is electrically connected to the controller; photoelectric sensors 6 are provided on both sides of the frame 1, and the photoelectric sensors 6 are fixed just above the line transmission plate 7, and the photoelectric sensors 6 are facing the line transmission trough 12, and the photoelectric sensors 6 are electrically connected to the controller; the material of the wire pressing wheel is rubber, which is elastic and can produce large deformation, and can return to its original state after the external force is removed; the cable can be better contacted with the meter wheel 9; as Figure 4 and Figure 6 As shown, the meter wheel 9 is provided with a groove 16 in the circumference, and the groove 16 is in better contact with the cable, and the groove 16 and the cable trough 12 are in the same straight line.

[0029] The rest is the same as Example 1.

[0030] When the utility model is in use, the cable is firstly introduced into the device along the cable trough 12. After the photoelectric sensors 6 on both sides monitor the cable, the device starts to operate under the control of the controller; the downward pressure cylinder 2 is started, the wire pressing device 3 is pressed downward, the main wire presser 10 and the auxiliary wire presser 5 are pressed downward to contact the cable respectively, the thumb cylinder 8 contracts, and the cable is confined in the cable trough 12. As the cable moves, the meter wheel 9 starts to operate. The utility model adopts the cooperation of the main wire presser 10 and the auxiliary wire presser 5. The main wire presser 10 brings the cable into close contact with the meter wheel 9, and the auxiliary wire pressers 5 on both sides press the cable into the cable trough 12, so that the cables on both sides of the meter wheel 9 are more regular and the accuracy of the device is higher; the utility model adopts rollers 11 and the cable trough 12 provided on the thumb cylinder 8 to further straighten the cables.

[0031] The present invention has been described in detail above. The above description is only a preferred embodiment of the present invention and should not limit the scope of implementation of the present invention. That is, all equivalent changes and modifications made within the scope of this application should still fall within the scope of the present invention.

Claims

1. A cable length meter for a drainage pipe inspection robot, comprising a frame (1) and a controller, wherein the controller is fixed inside the frame (1), and is characterized in that: The frame (1) is provided with a pressing cylinder (2), and a wire pressing device (3) is provided on the piston rod of the pressing cylinder (2). The wire pressing device (3) comprises a main wire pressing device (10) and an auxiliary wire pressing device (5). The auxiliary wire pressing device (5) is provided on both sides of the main wire pressing device (10). A meter wheel (9) is provided directly below the main wire pressing device (10). The meter wheel (9) is fixed to the bottom of the frame (1). The input end of the coupling is provided on the shaft of the meter wheel (9), and a rotary encoder (17) is provided on the output end of the coupling. A wire transmission channel is provided on both sides of the frame (1), and a wire transmission board (7) is provided in the wire transmission channel. The auxiliary wire pressing device (5) is provided directly above the wire transmission board (7). The controller is electrically connected to the pressing cylinder (2).

2. The cable length meter for the drainage pipe inspection robot according to claim 1, characterized in that: The wire pressing device (3) comprises a connecting plate, which is fixed on the piston rod of the downward pressing cylinder (2). A mounting seat (4) is provided at the bottom of the connecting plate, and a main wire pressing device (10) and an auxiliary wire pressing device (5) are both fixed on the mounting seat (4).

3. The cable length meter for the drainage pipe inspection robot according to claim 2, characterized in that: The main wire crimper (10) and the auxiliary wire crimper (5) both comprise a connecting seat (13), a wire crimping wheel is provided on the connecting seat (13), a guide column (14) is provided on the connecting seat (13), and an elastic member (15) is provided outside the guide column (14); one end of the elastic member (15) is connected to the connecting seat (13), and the other end is connected to the mounting seat (4); the guide column (14) passes through the mounting seat (4) and is slidably connected to the connecting seat (13).

4. The cable length meter for the drainage pipe inspection robot according to claim 1, characterized in that: The line transmission plate (7) is provided with a line transmission groove (12).

5. The cable length meter for the drainage pipe inspection robot according to claim 4, characterized in that: A thumb cylinder (8) is fixed on the transmission board (7), a roller (11) is arranged on the thumb cylinder (8), a limiting hole is provided on the transmission board (7), the roller (11) passes through the limiting hole of the transmission board (7) and extends out of the plane of the transmission board (7), and the thumb cylinder (8) is electrically connected to the controller.

6. The cable length meter for the drainage pipe inspection robot according to claim 5, characterized in that: Photoelectric sensors (6) are provided on both sides of the frame (1). The photoelectric sensors (6) are fixed just above the transmission board (7). The photoelectric sensors (6) face the transmission trough (12). The photoelectric sensors (6) are electrically connected to the controller.

7. The cable length meter for the drainage pipe inspection robot according to claim 3, characterized in that: The material of the crimping wheel is rubber.

8. The cable length meter for the drainage pipe inspection robot according to claim 1, characterized in that: The meter wheel (9) is provided with a groove (16) in the circumferential direction.

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