A double-station measuring ruler

Abstract

The present invention discloses a double-station metrological ruler, which relates to the technical field of distance measuring equipment and includes: a connecting device, the connecting device includes a mounting frame, the mounting frame cooperates with a conveyor belt conveying device through a clamping piece, and the mounting frame is connected to the double-station metrological ruler through a connecting plate; a double-station metrological ruler, the double-station metrological ruler includes two metrological ruler bodies, the two metrological ruler bodies are fixedly connected through a connecting plate, a groove is provided on the upper end surface of the metrological ruler body, a counter is embedded in the groove, the counter is sleeved on a rotating shaft, the rotating shaft passes through the groove and extends to both ends, rollers are provided at the two extended ends, and the rollers rotate synchronously with the rotating shaft. Through the arrangement of the present invention, a double-station metrological ruler suitable for conveyor belt length measurement is provided.

Description

Technical Field

[0001] The invention relates to the technical field of distance measuring equipment, and in particular to a double-station measuring ruler. Background Art

[0002] During the conveyor belt packaging process, the length of the conveyor belt needs to be measured. The existing measurement method is mostly manual measurement with a ruler, which requires a lot of labor and is relatively inefficient. The running ruler in the prior art can greatly improve the measurement efficiency. The existing running ruler is divided into two types: electronic distance meter and mechanical distance meter. It is mainly used in real estate development, land surveying and mapping, road construction, cable laying, stadium marking and other industries. Most of the existing running rulers are single-wheel structures, which are relatively simple in structure and convenient to operate, but they are not suitable for conveyor belt measurement. During the conveyor belt measurement process, the length measurement precision and accuracy are required to be high. In order to ensure the packaging quality of the conveyor belt, it is also necessary to detect whether the conveyor belt has defects, but the existing running ruler structure cannot achieve the above measurement effect.

[0003] Therefore, there is an urgent need for a double-station measuring ruler with high measurement accuracy and precision and capable of detecting surface defects of the conveyor belt to solve the problems existing in the conveyor belt packaging measurement process. Summary of the invention

[0004] The purpose of the present invention is to solve the defects in the prior art and to propose a double-station measuring ruler.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A double-station measuring ruler, comprising:

[0007] A connecting device, the connecting device comprises a mounting frame, the mounting frame is provided with a clamping piece, the clamping piece is used to cooperate with the conveyor belt conveying device, and the mounting frame is connected to the double-station running ruler through a connecting plate;

[0008] A double-station running ruler comprises two running ruler bodies, which are fixedly connected by a connecting plate. A groove is provided on the upper end surfaces of the two running ruler bodies, in which a counter is embedded. The counter is sleeved on a rotating shaft, which passes through the groove and extends out of the running ruler body at both ends. Rollers are provided at both extended ends of the rotating shaft, and the rollers rotate synchronously with the rotating shaft.

[0009] Furthermore, the side walls of the running ruler body adjacent to both ends of the rotating shaft are provided with grooves, a slider is provided in the groove, the upper end surface of the slider is connected to the upper wall of the groove through a spring, a bearing is provided in the slider, and the rotating shaft is sleeved in the bearing.

[0010] Furthermore, a photographing device for recording counter data is provided on the top of the mounting frame.

[0011] Furthermore, the fixing plate is provided with two layers, and a trigger device of the shooting device is provided between the two layers of fixing plates.

[0012] Furthermore, the trigger device includes a fixed block fixedly connected to the upper fixed plate, the fixed block is connected to the trigger block through a connecting frame, the trigger block is provided with a horizontal extension, an upper electrode sheet and a lower electrode sheet are respectively provided on the extension ends, a conductive synapse is provided between the two electrode sheets, the conductive synapse is slidably connected to the lower fixed plate through a conductive column, the conductive column is electrically connected to the shooting device through a wire, and the upper electrode sheet and the lower electrode sheet are electrically connected to the shooting device through a wire.

[0013] Furthermore, a conductive groove is formed on the side wall of the conductive column, and the conductive groove is matched with the conductive protrusion. The conductive protrusion is fixedly connected to the lower fixing plate and is electrically connected to the shooting device through a wire.

[0014] Furthermore, a spirit level is fixedly connected to the upper end surface of the running ruler body.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The configuration of the present invention provides a double-station measuring ruler suitable for conveyor belt length measurement, and the state of the conveyor belt is monitored during the conveyor belt length measurement process by means of the provided photographing device; the accuracy of the measurement result is further guaranteed by means of the provided two ruler bodies; the roller and the conveyor belt have a buffering effect when in contact with the conveyor belt by means of the provided slider and the spring, and the accuracy of the measurement result can still be guaranteed when the conveyor belt surface is uneven; the circuit is connected by means of the provided triggering device when a depression or a protrusion occurs on the conveyor belt surface, and the number of laps displayed by the counter is recorded by means of the provided photographing device; the position of the ruler body is accurately determined by means of the provided level. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0018] Figure 1 This is a schematic diagram of the overall structure of a double-station measuring ruler proposed by the present invention;

[0019] Figure 2 This is a schematic diagram of the structure of the double-station running ruler proposed by the present invention;

[0020] Figure 3 A side view of the double-station running ruler proposed by the present invention;

[0021] Figure 4 This is a schematic diagram of the structure of the double-station ruler roller part proposed by the present invention;

[0022] Figure 5 A side view of a trigger device is provided for the present invention;

[0023] Figure 6 The present invention provides a schematic structural diagram of a trigger device.

[0024] In the figure: 11, shooting device; 12, connecting plate; 13, mounting frame; 14, clamping part; 2, double-station running ruler; 21, running ruler body; 22, counter; 23, roller; 24, slider; 25, spring; 26, bearing; 27, rotating shaft; 3, level; 4, fixing plate; 40, trigger device; 41, fixing block; 42, connecting frame; 43, upper electrode sheet; 44, conductive synapse; 45, lower electrode sheet; 46, conductive groove; 47, conductive protrusion; 48, detection roller. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0027] Reference Figure 1-Figure 6 ,

[0028] A double-station measuring ruler comprises: a photographing device 11, a connecting device, a double-station measuring ruler 2 and a triggering device 40.

[0029] The connecting device includes a mounting frame 13, a connecting plate 12 and a clamping member 14. A shooting device 11 is fixedly arranged on the mounting frame 13. The shooting device 11 is powered by a power source and stops working when power is off and continues working when power is on.

[0030] A clamping piece 14 is provided at the bottom of the mounting frame 13, and the clamping piece 14 is used to cooperate with the conveying device of the conveyor belt to fix the mounting frame 13 on the conveying device. A slanted connecting plate 12 is installed on the lower end face of the mounting frame 13, and a running ruler body 21 is hinged at the end of the connecting plate 12. A knob is provided at the hinge position of the two, and the knob is threadedly connected to the hinge shaft, which is used to lock the hinge structure to prevent the running ruler body 21 from rotating relative to the connecting plate 12.

[0031] A double-station running ruler 2, the double-station running ruler 2 comprises two running ruler bodies 21 of the same structure, the two running ruler bodies 21 are fixedly connected by a connecting plate 12, the running ruler body 21 is a rectangular parallelepiped structure, a level 3 is installed on the upper end surface of the running ruler body 21, a groove is provided on one side of the level 3, and through openings are provided on both side walls of the groove, the opening diameter is larger than the shaft cross-sectional area of ​​the rotating shaft 27, a counter 22 for measuring the number of rotations is embedded in the groove, the counter 22 is sleeved on the rotating shaft 27, the rotating shaft 27 penetrates the openings on both sides of the groove and extends to both ends, and rollers 23 are provided at the two extended ends, and the rollers 23 rotate synchronously with the rotating shaft 27;

[0032] The side walls of the running ruler body 21 near the two ends of the roller 23 are provided with grooves, and a slider 24 is arranged in the groove. The slider 24 can slide up and down along the groove. Preferably, a slide rail for the slider 24 to move is arranged in the groove.

[0033] The upper end surface of the slider 24 is provided with two cylindrical protrusions, and the lower wall of the groove is provided with two cylindrical protrusions. The two opposite protrusions are connected by a spring 25, so that the slider 24 is against the lower end surface of the groove in a normal state.

[0034] The slider 24 is embedded with a bearing 26, and the shaft 27 is sleeved in the bearing 26, so that the shaft 27 can rotate relative to the slider;

[0035] In other embodiments, the fixing plate 4 is provided with two layers, both layers of the fixing plates 4 are fixedly connected to the two running ruler bodies 21 , and a trigger device 40 of the photographing device 11 is provided between the two layers of the fixing plates 4 .

[0036] The trigger device 40 includes a fixed block 41 fixedly connected to the upper fixed plate 4, the fixed block 41 is connected to the trigger block through a connecting frame 42, the distance between the fixed block 41 and the trigger block can be adjusted by the connecting frame 42, the trigger block is provided with a horizontal extension, and an upper electrode sheet 43 and a lower electrode sheet 45 are respectively provided on the extension ends, the trigger block is in an inverted F shape, and the power line passes through the fixed block 41 and the trigger block and is respectively connected to the two electrode sheets;

[0037] A conductive synapse 44 is arranged between the two electrode sheets. The conductive synapse 44 is arranged horizontally. The conductive synapse 44 is formed integrally with the conductive column. A conductive groove 46 is provided on the side wall of the conductive column. An opening adapted to the guide column is provided on the lower fixed plate 4. Conductive protrusions 47 are provided on both sides of the opening. The conductive protrusions 47 are adapted to the conductive groove 46 so that the conductive column can only move up and down. The conductive protrusions 47 not only limit the movement path of the conductive column, but also enable the conductive synapse 44 to obtain electricity. A detection roller 48 is installed at the bottom of the conductive column to prevent the conductive column from directly contacting the conveyor belt.

[0038] When the surface of the conveyor belt is uneven, the conductive contact 44 will move up and down and touch the upper electrode sheet 43 or the lower electrode sheet 45 to enable the shooting device 11 to operate. At this time, the shooting device 11 captures the data on the counter 22.

[0039] The electrical connection method is that the power source is connected to the electrode sheet and the conductive protrusion 47 respectively through a wire, wherein the camera 11 is connected in series to the wire between the power source and the electrode sheet.

[0040] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A double-station measuring ruler, characterized in that: include: A connecting device, the connecting device comprises a mounting frame, the mounting frame is provided with a clamping piece, the clamping piece is used to cooperate with the conveyor belt conveying device, and the mounting frame is connected to the double-station running ruler through a connecting plate; A double-station running ruler comprises two running ruler bodies, which are fixedly connected by a fixing plate. A groove is provided on the upper end faces of the two running ruler bodies, in which a counter is embedded. The counter is sleeved on a rotating shaft, which passes through the groove and extends out of the running ruler body at both ends. Rollers are provided at both extended ends of the rotating shaft, and the rollers rotate synchronously with the rotating shaft.

2. A double-station measuring ruler according to claim 1, characterized in that: The side walls of the running ruler body near the two ends of the rotating shaft are provided with grooves, and a slider is arranged in the groove. The upper end surface of the slider is connected to the upper wall of the groove through a spring, and a bearing is arranged in the slider, and the rotating shaft is sleeved in the bearing.

3. A double-station measuring ruler according to claim 1, characterized in that: A shooting device for recording counter data is arranged on the top of the mounting frame.

4. A double-station measuring ruler according to claim 3, characterized in that: The fixing plate is provided with two layers, and a trigger device of the shooting device is provided between the two layers of fixing plates.

5. A double-station measuring ruler according to claim 4, characterized in that: The trigger device includes a fixed block fixedly connected to the upper fixed plate, the fixed block is connected to the trigger block through a connecting frame, the trigger block is provided with a horizontal extension, an upper electrode sheet and a lower electrode sheet are respectively provided on the extension ends, a conductive synapse is provided between the two electrode sheets, the conductive synapse is slidably connected to the lower fixed plate through a conductive column, the conductive column is electrically connected to the shooting device through a wire, and the upper electrode sheet and the lower electrode sheet are electrically connected to the shooting device through a wire.

6. A double-station measuring ruler according to claim 5, characterized in that: A conductive groove is formed on the side wall of the conductive column, and the conductive groove is matched with the conductive protrusion. The conductive protrusion is fixedly connected to the lower fixing plate and is electrically connected to the shooting device through a wire.

7. A double-station measuring ruler according to claim 1, characterized in that: A level is fixedly connected to the upper end surface of the running ruler body.

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