CN114136258A

CN114136258A - Cable meter counter

Info

Publication number: CN114136258A
Application number: CN202111568665.9A
Authority: CN
Inventors: 何文; 黎灼佳; 何浩辉; 罗鑫洪
Original assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-03-04
Anticipated expiration: 2041-12-21
Also published as: CN114136258B

Abstract

The invention relates to the technical field of cable laying equipment and discloses a cable meter counting device. The cable length counting device comprises a mounting frame assembly, a length counting wheel assembly and a counter, wherein the length counting wheel assembly is rotatably arranged on the mounting frame assembly, the length counting wheel assembly and the mounting frame assembly enclose to form a limiting space, a cable is limited in the limiting space, and the length counting wheel assembly is hung on the cable and moves along with the cable to synchronously rotate. A counter is coupled to the metering wheel assembly, the counter configured to record a number of rotations of the metering wheel assembly. The mounting bracket assembly is connected with a rope, the rope and the meter wheel assembly are respectively positioned on two opposite sides of the cable, and the rope pulls the mounting bracket assembly to enable the meter wheel assembly to be pressed on the cable. When the cable swings left and right, the mounting frame component can drive the metering wheel component to swing along with the cable, the cable can be guaranteed to be kept in a state of being right opposite to the limiting space all the time, the cable can smoothly penetrate through the limiting space during swinging, and therefore the length of the cable can be accurately measured.

Description

Cable meter counter

Technical Field

The invention relates to the technical field of cable laying equipment, in particular to a cable meter counting device.

Background

With the continuous development of electric power industry in China, the cable laying technology is more and more mature, and automatic intelligent laying is gradually realized. The laid length of the cable is a very important technical parameter in the cable laying process, and particularly in the intelligent laying process, the length is a reference parameter for calculating the dragging force, the conveying force, the lateral pressure and the like.

In the production of cables, in order to facilitate storage and transportation, the cables are usually wound on the rollers and then are released from the rollers during laying. The method for measuring the laid length of the cable at present generally presses a moving part of the cable on a metering wheel, the metering wheel moves synchronously with the cable, and the length of the cable passing through is calculated by combining the number of turns of the metering wheel and the radius of the metering wheel. The mud water inevitably exists in the trench, so that a precise metering instrument such as a rotary encoder and a meter counting wheel is not easy to place, the optimal installation position of the meter counting device is just below the pay-off reel, and the cable is arranged on the ground before entering the trench.

Because the cable is too hard, and there is great swing range when the cable is played from the running roller, for example the cable that plays on the running roller of about two meters width has a swing amplitude of a meter when reaching meter rice wheel, and present meter rice device can't adapt to the swing of cable, leads to the fact the cable to involve and influences the laying construction of cable, even has the inaccurate condition of measurement data.

Disclosure of Invention

The invention aims to provide a cable length metering device, which solves the problems that the existing cable length metering device influences the laying construction of cables and the metering data is not accurate.

In order to achieve the purpose, the invention adopts the following technical scheme:

a cable length counter comprising:

a mounting bracket assembly;

the meter wheel assembly is rotatably arranged on the mounting frame assembly, the meter wheel assembly and the mounting frame assembly enclose to form a limiting space, a cable is limited in the limiting space, and the meter wheel assembly is hung on the cable and moves along with the cable to synchronously rotate;

a counter coupled to the odometer wheel assembly, the counter configured to record a number of rotations of the odometer wheel assembly;

the mounting bracket assembly is connected with a rope, the rope and the metering wheel assembly are respectively positioned on two opposite sides of the cable, and the rope pulls the mounting bracket assembly so that the metering wheel assembly is pressed on the cable.

As an alternative, the metering wheel assembly comprises:

the meter wheel is in contact with the cable; and

the rotating shaft is connected with the mounting frame assembly in a rotating mode, the metering wheel is fixedly sleeved on the rotating shaft, and the counter is connected with the rotating shaft.

Alternatively, the diameter of the metering wheel gradually increases from the middle to both ends in the axial direction of the metering wheel.

Alternatively, the rotating shaft and the mounting frame assembly are connected through a bearing.

Alternatively, the counter is a rotary encoder.

As an alternative, the cable length measuring device further comprises a protective cover, and the protective cover is connected with the mounting frame assembly and covers the rotary encoder.

As an alternative, the mount assembly comprises:

the meter wheel assembly comprises a mounting frame and a meter wheel assembly, wherein the mounting frame comprises three side walls which are vertically connected in sequence, and two ends of the meter wheel assembly are respectively connected to the two opposite side walls; and

the cover plate, the both ends of apron are respectively with two relative settings the lateral wall links to each other, the mounting bracket with the apron encloses into tubular structure, tubular structure's both ends are open structure, the at least one end of apron with the lateral wall is dismantled and assembled to be connected.

As an alternative, a plurality of rollers are arranged on one side of the side wall and one side of the cover plate, which are opposite to the cable, and the rollers are perpendicular to the moving direction of the cable.

As an alternative, the roller is made of nylon.

Alternatively, a connection ring is provided at an outer side of the cover plate, and one end of the rope is connected to the connection ring.

The invention has the beneficial effects that:

according to the cable meter counting device provided by the invention, the meter counting wheel assembly is hung on the cable, the mounting frame assembly is flexibly fixed through the rope, and when the cable swings left and right, the mounting frame assembly can drive the meter counting wheel assembly to swing along with the cable, so that the cable can be ensured to be always in a state of being opposite to the limiting space, and the cable can smoothly pass through the limiting space when swinging. The rope gives the mounting bracket subassembly with traction force, makes meter rice wheel subassembly suppression on the cable, guarantees that meter rice wheel subassembly can move along with the cable and rotate in step. In addition, the counter is connected with the meter-wheel assembly, the number of rotation turns of the meter-wheel assembly can be accurately recorded, and then the length of the cable passing through the meter-wheel assembly can be calculated according to the number of rotation turns of the meter-wheel assembly and the diameter of the meter-wheel assembly.

Drawings

Fig. 1 is a schematic structural diagram of a cable length measuring device provided by the invention.

In the figure:

100. a cable;

1. a mounting bracket assembly; 11. a mounting frame; 111. a first side wall; 112. a second side wall; 113. a third side wall; 12. a cover plate; 13. a limiting space;

2. a meter wheel assembly; 21. a meter wheel; 22. a rotating shaft;

3. a bearing;

4. a rotary encoder;

5. a protective cover;

6. a roller;

7. a connecting ring; 71. a first plate; 72. a second plate;

8. a handle;

9. and (4) end covers.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", "left", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The first embodiment is as follows:

when the cable is laid, the cable needs to be firstly released from the roller wheel a little bit, a cable meter device is arranged on the released cable to measure the length of the released cable, and the reference parameters such as the dragging force, the conveying force, the lateral pressure and the like are calculated. In order to facilitate laying and measuring accurately, the cable length measuring device is usually arranged at a position close to the roller. And according to the law of arranging of the roll-up of cable on the running roller, when releasing the cable, the cable can have the swing on the width direction of running roller, and this has brought the difficulty for the installation of cable meter rice device. At present, a cable meter counting device fixedly arranged cannot move along with the swinging of a cable, so that the cable cannot smoothly pass through a meter counting device, and the accuracy of a meter counting result is influenced.

In order to solve the above problems, as shown in fig. 1, the present embodiment provides a cable length measuring device, which includes a mounting bracket assembly 1, a length measuring wheel assembly 2, and a counter, wherein the length measuring wheel assembly 2 is rotatably disposed on the mounting bracket assembly 1, the length measuring wheel assembly 2 and the mounting bracket assembly 1 enclose to form a limiting space 13, the cable 100 is limited in the limiting space 13, and the length measuring wheel assembly 2 is hung on the cable 100 and moves along with the cable 100 to rotate synchronously. The counter is connected with the meter wheel component 2, and the counter can record the number of turns of the meter wheel component 2. The mounting frame assembly 1 is connected with a rope, the rope and the metering wheel assembly 2 are respectively positioned at two opposite sides of the cable 100, and the rope pulls the mounting frame assembly 1 so that the metering wheel assembly 2 is pressed on the cable 100.

The mounting frame assembly 1 is flexibly fixed through a rope, when the cable 100 swings left and right, the mounting frame assembly 1 can drive the metering wheel assembly 2 to swing along with the cable, the cable 100 can be guaranteed to be always kept in a state of being opposite to the limiting space 13, and the cable 100 can smoothly pass through the limiting space 13 when swinging. The rope gives traction to the mounting frame assembly 1 to press the metering wheel assembly 2 against the cable 100, ensuring that the metering wheel 21 can rotate synchronously with the movement of the cable 100. In addition, the counter is connected with the meter wheel assembly 2, the number of rotation turns of the meter wheel assembly 2 can be accurately recorded, and then the length of the cable 100 passing through the meter wheel assembly 2 can be calculated according to the number of rotation turns of the meter wheel assembly 2 and the diameter of the meter wheel assembly 2.

During the installation, subaerial installation fixed anchor point is fixed in fixed anchor point with the one end of rope, and the other end links to each other with installing frame subassembly 1, and meter rice wheel subassembly 2 articulates on cable 100, can realize the installation to whole cable meter rice device, and it is very convenient to install, easy to operate.

Further, mounting bracket subassembly 1 includes mounting bracket 11 and apron 12, and mounting bracket 11 includes perpendicular continuous three lateral wall in proper order, and meter rice wheel subassembly 2's both ends are connected respectively on two relative lateral walls, and the both ends of apron 12 link to each other with two relative lateral walls that set up respectively, and mounting bracket 11 and apron 12 enclose into tubular structure, and tubular structure's both ends are open structure, and at least one end and the lateral wall of apron 12 are dismantled and assembled continuously. By opening the cover plate 12, the cable 100 can be conveniently placed in the limiting space 13 or taken out from the limiting space 13.

Specifically, as shown in fig. 1, the mounting frame 11 is composed of a first side wall 111, a second side wall 112 and a third side wall 113 which are integrally cast, two ends of the metering wheel assembly 2 are respectively rotatably connected to one ends of the first side wall 111 and the third side wall 113 close to the second side wall 112, the middle of the second side wall 112 is recessed downwards, an abdicating space is formed at the upper side of the second side wall 112, a handle 8 is arranged at the upper side of the second side wall 112, and an operator can extend a hand into the abdicating space to hold the handle 8 to lift the whole device. Preferably, the handle 8 is a cylindrical structure, two ends of the cylindrical structure are provided with planes, screw holes are provided on the planes, and the handle 8 is fixed on the second sidewall 112 by bolts.

Preferably, in this embodiment, the left end of the cover plate 12 is hinged to the first side wall 111, and the right end is connected to the third side wall 113 through a bolt.

Further, the connecting ring 7 is arranged on the lower side of the cover plate 12, one end of the rope is connected to the connecting ring 7, the cover plate 12 is connected with the mounting frame 11 in a hinged and bolt connection mode firmly, and the pulling force of the rope on the cover plate 12 can be borne. Preferably, the connection ring 7 includes a first plate 71 and a second plate 72 perpendicular to each other, the first plate 71 is connected to the cover plate 12 by bolts, and the second plate 72 is provided with circular holes to which the ropes are connected.

Further, as shown in fig. 1, the meter wheel assembly 2 includes a meter wheel 21 and a rotating shaft 22, the meter wheel 21 contacts with the cable 100, the rotating shaft 22 is rotatably connected with the mounting bracket assembly 1, the meter wheel 21 is fixedly sleeved on the rotating shaft 22, and the counter is connected with the rotating shaft 22 to accurately record the number of turns of the rotating shaft 22. In this embodiment, the counter is connected to the right end of the rotating shaft 22, and it can be understood that the counter can also be connected to the left end of the rotating shaft 22, and the number of turns of the rotating shaft 22 can also be recorded.

Preferably, as shown in fig. 1, the diameter of the meter wheel 21 is gradually increased from the middle to both ends in the axial direction of the meter wheel to form a dumbbell-shaped contact surface with which the cable 100 having a circular cross section is fitted, so that the cable 100 can be prevented from wobbling in the width direction of the meter wheel 21. The rotating shaft 22 is connected with the mounting rack assembly 1 through the bearing 3, so that the rotating shaft 22 can rotate more smoothly and stably, and the synchronism of the rotation of the metering wheel 21 and the movement of the cable 100 is further improved.

Preferably, the counter is a rotary encoder 4, the rotary encoder 4 can convert parameters such as angular displacement and angular velocity of the rotating shaft 22 into corresponding electric pulse signals to be output, and the electric pulse signals are sent to an industrial personal computer, namely, the parameters such as the diameter of the metering wheel 21 and the moving time of the cable 100 can be combined, and information such as the moving length and the moving speed of the cable 100 can be obtained through simple mathematical operation. The rotary encoder 4, the industrial personal computer and the signal transmission mode between the two are all the prior art, and are not described herein again.

Preferably, as shown in fig. 1, the cable length measuring device further comprises a protective cover 5, and the protective cover 5 is connected with the mounting frame assembly 1 and covers the rotary encoder 4. Because cable 100 lays many in outdoor construction, operational environment is abominable, rotary encoder 4 is precision instruments again, sets up protective cover 5 and can effectively prevent that dust etc. from getting into the measurement accuracy who influences rotary encoder 4, can prevent external force damage rotary encoder 4 moreover, forms better protection to rotary encoder 4. In addition, the protective cover 5 can also cover the bearing 3 connected with the rotary encoder 4, thereby effectively preventing dust from polluting the bearing 3 and influencing normal operation. In addition, the end cover 9 is disposed on the first side wall 111, and the end cover 9 covers the outer side of the bearing 3 connected to the left end of the rotating shaft 22 to protect the bearing 3. Preferably, the end cap 9 is bolted to the first side wall 111 to facilitate disassembly and assembly.

In order to prevent the side wall and the cover plate 12 from scratching the cable 100, a plurality of rollers 6 are arranged on the side wall and the side of the cover plate 12 opposite to the cable 100, the rollers 6 are arranged perpendicular to the moving direction of the cable 100, when the cable 100 touches the rollers 6 in the moving process, the rollers 6 can roll along with the cable 100, and the cable 100 can be prevented from scratching due to sliding on the side wall or the cover plate 12. So set up, when cable 100 removed in spacing space 13, cable 100's four sides all rolled with meter rice wheel 21 or gyro wheel 6 and contact, formed comprehensive protection to cable 100, prevented that cable 100 is impaired.

Preferably, gyro wheel 6 chooses the nylon material for use, and gyro wheel 6 that nylon was made has good mechanical strength and fatigue resistance ability, and the quality is lighter moreover, can effectively reduce the whole weight of cable meter rice device.

Example two:

the cable length measuring device provided by the embodiment is basically the same as the first embodiment, except that: in this embodiment, the cover plate 12 is connected to the third side wall 113 by a snap fastener, so that the assembly and disassembly are more convenient. The hasp comprises a fixing portion and a hanging portion, the fixing portion is preferably arranged on the third side wall 113, the hanging portion is arranged on the cover plate 12, and the fixing portion and the hanging portion are in lap joint to achieve connection of the cover plate 12 and the third side wall 113. When the cover plate 12 needs to be opened, the hanging part can be separated from the fixed part only by pulling the hanging part, and the operation is quick. Of course, the cover plate 12 may be fixed to the cover plate 12, and the hook portion may be provided on the third side wall 113, so that the cover plate 12 and the third side wall 113 can be connected similarly.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A cable length counter, comprising:

a mounting bracket assembly (1);

the meter-rice wheel assembly (2) is rotationally arranged on the mounting frame assembly (1), the meter-rice wheel assembly (2) and the mounting frame assembly (1) enclose to form a limiting space (13), a cable (100) is limited in the limiting space (13), and the meter-rice wheel assembly (2) is hung on the cable (100) and rotates synchronously along with the movement of the cable (100);

a counter connected to the metering wheel assembly (2), the counter configured to record a number of rotations of the metering wheel assembly (2);

the mounting frame assembly (1) is connected with a rope, the rope and the meter wheel assembly (2) are respectively located on two opposite sides of the cable (100), and the rope pulls the mounting frame assembly (1) so that the meter wheel assembly (2) is pressed on the cable (100).

2. Cable length counter device according to claim 1, characterized in that the meter wheel assembly (2) comprises:

a metering wheel (21) in contact with the cable (100); and

the rotating shaft (22) is connected with the mounting frame component (1) in a rotating mode, the meter counting wheel (21) is fixedly sleeved on the rotating shaft (22), and the counter is connected with the rotating shaft (22).

3. The cable length counter according to claim 2, wherein the diameter of the length counter wheel (21) gradually increases from the middle to both ends in the axial direction of the length counter wheel (21).

4. Cable length counter according to claim 2, characterized in that the shaft (22) is connected to the mounting frame assembly (1) by means of a bearing (3).

5. Cable length counter according to any one of claims 1-4, characterized in that the counter is a rotary encoder (4).

6. The cable length counter according to claim 5, further comprising a protective cover (5), wherein the protective cover (5) is connected to the mounting frame assembly (1) and covers the rotary encoder (4).

7. Cable metering device according to any one of claims 1 to 4, characterized in that the mounting rack assembly (1) comprises:

the mounting rack (11) comprises three side walls which are vertically connected in sequence, and two ends of the meter wheel assembly (2) are respectively connected to the two opposite side walls; and

the cover plate (12), the both ends of apron (12) are respectively with relative two that set up the lateral wall links to each other, mounting bracket (11) with apron (12) enclose into the tubular structure, the both ends of tubular structure are open structure, the at least one end of apron (12) with the lateral wall is dismantled and assembled to link to each other.

8. Cable length counter according to claim 7, wherein the side walls and the side of the cover plate (12) facing the cable (100) are provided with a plurality of rollers (6), the rollers (6) being arranged perpendicular to the direction of movement of the cable (100).

9. The cable length counter according to claim 8, wherein the roller (6) is made of nylon.

10. The cable length counter device according to claim 7, wherein a coupling ring (7) is provided at an outer side of the cover plate (12), and one end of the rope is connected to the coupling ring (7).