CN114279382B - Cable length metering device in tunnel construction - Google Patents
Cable length metering device in tunnel construction Download PDFInfo
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- CN114279382B CN114279382B CN202111623229.7A CN202111623229A CN114279382B CN 114279382 B CN114279382 B CN 114279382B CN 202111623229 A CN202111623229 A CN 202111623229A CN 114279382 B CN114279382 B CN 114279382B
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- cable
- lower seat
- upper cover
- tunnel construction
- pressing roller
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- 238000010276 construction Methods 0.000 title claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000012943 hotmelt Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 3
- 241000209094 Oryza Species 0.000 claims 3
- 235000007164 Oryza sativa Nutrition 0.000 claims 3
- 235000009566 rice Nutrition 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 9
- 241001422033 Thestylus Species 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 241000251468 Actinopterygii Species 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The invention relates to the field of measuring equipment in tunnel construction, in particular to a cable length metering device in tunnel construction. The method aims at solving the problems that the cable length is difficult to measure and the equipment is complicated in the tunnel construction at the present stage. The invention comprises at least one spherical or cylindrical shell, the shell comprises an upper cover and a lower seat which are hinged with each other, a cable through hole is arranged in the middle position of the upper cover and the lower seat, a top press roller tangential to the cable is arranged in the upper cover, a bottom top roller is arranged in the lower seat, and the bottom top roller is connected with a meter counter for recording the rotating speed of the meter counter. The advantages are that: the whole equipment is used as handheld equipment, has small volume, is convenient to carry and various in functions, and can bear various functions in tunnel construction occasions.
Description
Technical Field
The invention relates to the field of measuring equipment in tunnel construction, in particular to a cable length metering device in tunnel construction.
Background
The length metering device is quite common in building production operation, is widely used for measuring product design, checking and accepting construction sites and checking in the construction process, and is a common tool in the building field.
The improvement of the length measuring device is mostly focused on the improvement of the measuring mode, such as the current meter measuring mode, most of the measuring modes utilize rotation to convert the angular displacement into the linear displacement, then the linear displacement is measured briefly, and then the calculation is performed by utilizing a circuit device and a background software system, so that a result is obtained, in the mode, the angular displacement can be measured through an infrared sensor and also through a travel switch, and in short, the measuring method is more mature along with the development of technology.
However, workers consider that, although the applications of meter devices are becoming more mature, problems of poor suitability still exist in tunnel construction at present, such as: 1. the tunnel construction site is large, the meter counter is difficult to move as a fixing piece, can only be arranged in a transfer site at fixed points, provides measurement for a measured workpiece, and is difficult to finish overhaul of equipment which is installed; 2. the tunnel construction internal environment is complex, high temperature and high humidity exist in the environment for a long time, and the service life of electronic devices is low; 3. the function is single, and most only possesses the measurement function, and the practicality is not high.
Disclosure of Invention
The invention aims to solve the problems of difficult cable length measurement and numerous equipment in tunnel construction in the prior art.
The specific scheme of the invention is as follows: the device comprises at least one spherical or cylindrical shell, wherein the shell comprises an upper cover and a lower seat which are hinged with each other, a cable through hole is formed in the middle position of the upper cover and the lower seat, a top press roller tangential to a cable is arranged in the upper cover, a bottom top roller is arranged in the lower seat, and the bottom top roller is connected with a meter for recording the rotating speed of the meter; the size of the cable through hole is larger than the outer diameter of the cable to be tested; at least one of the top pressing roller or the bottom pressing roller is in a reverse drum shape with the outer diameter gradually increasing from the center to two sides so as to realize cable limit; the shell is provided with anti-skid patterns and a display screen, the display screen is connected with the output end of the controller, and the input end of the controller is connected with the meter counter and the power supply; the meter counter comprises a striking column arranged at the end part of the bottom top roller, wherein striking sheets are arranged in the stroke range of the rotation of the striking column, the striking sheets are connected with a switch to realize the transmission of electric signals, the electric signals realize meter counting through an analog-to-digital converter, and information is input to the controller.
In the concrete implementation, the auxiliary clamping cylinder comprises two half cylinders which are spliced into an I-shaped cylinder, a clamping groove is formed in the auxiliary clamping cylinder, and the inner diameter size of the auxiliary clamping cylinder is not larger than the outer diameter of the cable to be tested.
In specific implementation, auxiliary lamp belts are arranged on the corresponding surfaces of the upper cover and the lower seat so as to realize positioning of measurement endpoints.
In the implementation, the lamp strip is replaced by being installed in the upper cover, and a light transmission gap is formed in the shape and position size between the upper cover and the lower seat.
In specific implementation, the front and rear of the cable through hole of the lower seat are respectively provided with a electroprobe element, the whole electroprobe element is in an open fish mouth shape, the lower part of the fish mouth shape is fixed on the lower seat, the upper part and the lower part are fixed into an annular ring through hinged connection, annular wires forming a circumference are arranged in the annular ring, the upper part is provided with a electroprobe circuit, and the electroprobe circuit is connected with the annular wires.
In specific implementation, the outer surfaces of the top pressing roller and the bottom pressing roller are stuck with water absorption layers, and the central shafts of the top pressing roller (5) and the bottom pressing roller are made of insulating materials.
In specific implementation, a universal hinge support is arranged between the display screen and the lower seat.
In the concrete implementation, the bottom of the lower seat is provided with a water leakage port, the clamping groove is made of hot melt insulating plastic, and a hot melt circuit for energizing and heating is connected in parallel with a corresponding circuit.
In specific implementation, the electrography component is externally connected with a suspended flexible signal rod (18), one end of the signal rod is fixed on the upper part and is connected with the electrography circuit in parallel, the output voltage is less than 10 volts, and the other end of the signal rod is suspended above the back of the hand.
In specific implementation, a detachable spring is arranged between the upper cover and the lower seat at the opening, and two ends of the detachable spring are respectively buckled on the edges of the upper cover and the lower seat.
The invention has the beneficial effects that:
the structure is simple, the operation can be completed by one hand, the device can be placed in a worker pocket in a non-use state, the device can be taken at any time, the device is pulled after clamping to realize length measurement, and the display screen reads information;
the illumination design is convenient for realizing positioning in a tunnel environment;
the two metering devices are used simultaneously, so that the bending cables can be twisted, the overhaul is convenient, and the cables are orderly arranged;
the design of the function of the electric pencil detects whether the cable leaks electricity or not in advance before detection, protects the operation and installation of workers, improves the environment of a tunnel, wets and heats equipment in the environment of the tunnel, and has accumulated water or condensed water on the cable, so that the design can effectively ensure the safety of the workers, realize measurement and early warning, simultaneously, can realize water removal on the surface of the cable during measurement,
the overheat alarm can be realized through the fastening clamping, the early warning of a circuit is further realized, the design of the suspended flexible signal rod is convenient for the measurement personnel to find out in case of electric leakage, the suspended flexible signal rod is beaten on the back of the hand to bring a certain electric shock amount, the damage to the human body can not be caused due to the fact that the suspended flexible signal rod is smaller than the safety limit of the human body, meanwhile, the electric shock causes muscle reaction of the hand to cause physiological opening of the hand muscle, the metering device is separated from the hand, and then the hinge connection of the upper cover and the lower seat is opened due to the lack of external force, so that the equipment falls to the ground, the personal safety is ensured, and meanwhile, the bidirectional arrangement can ensure the safety of bidirectional movement;
the design of the detachable spring is convenient for workers to hang the equipment on a cable when the equipment needs to stop working occasionally in the tunnel working, meanwhile, the equipment is simple in structure and low in cost, and is often used as a standard piece in TBM tunnel construction, a plurality of the equipment are carried for a single time, and the equipment is hung at a place needing to be measured for a plurality of times so as to be convenient to take at any time, and the equipment needs to be subjected to insulation test with the nearby cable when the equipment is reused after being separated for a long time;
the applicant believes that by the above technical solutions, a set of solutions is formed for realizing systematic measurements with a simple metering device, in particular for the measurement of cables in tunnels with high temperature and humidity.
Drawings
FIG. 1 is a perspective view of a structure in which the present invention is in use;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
FIG. 4 is a left side view of the structure of the present invention;
FIG. 5 is a cross-sectional view A-A of the structure shown in FIG. 4;
FIG. 6 is a front view of another embodiment;
FIG. 7 is a left side view of another embodiment;
FIG. 8 is a schematic view of the internal structure of another embodiment;
FIG. 9 is a left side view of yet another embodiment;
FIG. 10 is a schematic view of a display screen;
FIG. 11 is a left side view of yet another embodiment;
FIG. 12 is a schematic diagram of the structure of the stylus component;
the names of the components in the figure are as follows: 1. an upper cover; 2. a lower seat; 3. an auxiliary clamping cylinder; 4. a cable through hole; 5. a top press roll; 6. a bottom top roller; 7. a display screen; 8. a striking column; 9. a striking plate; 10. a clamping groove; 11. an auxiliary light belt; 12. the universal hinge supports a transverse shaft connected with the universal hinge support; 13. a longitudinal axis of the universal hinge connection; 14. an upper part; 15. a lower part; 16. an endless wire; 17. an electrical pen element; 18. suspending the flexible signal rod; 19. a battery case; in fig. 11, for clarity of illustration, the left hand representation of the stylus element is omitted for each of the two drawings.
Description of the embodiments
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Referring to fig. 1 to 9, the cable length metering device in tunnel construction is provided with at least one spherical or cylindrical shell, the shell comprises an upper cover 1 and a lower seat 2 which are hinged with each other, a cable through hole 4 is formed in the middle position of the upper cover 1 and the lower seat 2, a top pressing roller 5 tangential to a cable is arranged in the upper cover 1, a bottom top roller 6 is arranged in the lower seat 2, and the bottom top roller 6 is connected with a meter for recording the rotating speed of the meter; the cable through hole 4 has a size larger than the outer diameter of the cable to be tested; at least one of the top pressing roller 5 and the bottom pressing roller 6 is in a reverse drum shape with the outer diameter gradually increasing from the center to the two sides so as to realize cable limit; the shell is provided with anti-skid patterns and a display screen 7, the display screen 7 is connected with the output end of the controller, and the input end of the controller is connected with the meter counter and the power supply; the meter counter comprises a striking column 8 arranged at the end part of the bottom top roller 6, a striking sheet 9 is arranged in the rotating travel range of the striking column 8, the striking sheet 9 is connected with a switch to realize the transmission of electric signals, the electric signals realize meter counting through an analog-to-digital converter, and information is input to a controller. In the working process, the cable clamp can be used in a single piece, after the cable is clamped for the first time, the meter counter works to record the moving distance, and the length of the cable in the path is measured.
When the bending degree of the cable is high, the two measuring devices can work together, the cable is clamped through the auxiliary clamping cylinder 3 clamped on the cable through hole 4, the auxiliary clamping cylinder 3 comprises two half cylinders spliced into an I-shaped cylinder, the inside of the auxiliary clamping cylinder is provided with the clamping groove 10, and the inner diameter size of the auxiliary clamping cylinder is not larger than the outer diameter of the measured cable. After clamping, the two ends apply force together, so that the cable can be straightened or the cable with a perfect circle Zhou Niuqu can be broken off.
Auxiliary lamp strips 11 are arranged on the corresponding surfaces of the upper cover 1 and the lower seat 2 so as to realize the positioning of measurement endpoints. The design is particularly suitable for tunnel occasions, and the linear light source is utilized to easily position the starting point and the end point.
The display screen 7 is connected with the lower seat 2 through a universal hinge, so that real-time overturn can be realized in the working process, and observation under most overturn angles is realized.
Example 2
The principle of the present embodiment is the same as that of embodiment 1, and the specific difference is that the lamp strip is replaced by being installed in the upper cover 1, and a light transmission slit is arranged in the shape and position dimension between the upper cover 1 and the lower seat. The design can be used as a signal lamp ball in a tunnel environment with poor illumination conditions, the light source power is low, but the design can guide staff, firstly indicates the cable position to prevent collision, secondly marks the cable, and is convenient for the handover of working information in the process of inter-team rotation.
Example 3
The principle of the embodiment is the same as that of embodiment 1, and the specific difference is that the front and rear of the cable through hole 4 of the lower seat 2 are respectively provided with a pencil element 17, the pencil element 17 is in an open fish-mouth shape as a whole, the lower part 15 of the fish-mouth shape is fixed on the lower seat 2, the upper part 14 and the lower part 15 are fixed into an annular ring through hinged connection, an annular wire 16 forming a circumference is arranged in the annular ring, the upper part 14 is provided with a pencil circuit, and the pencil circuit is connected with the annular wire 16.
The outer surfaces of the top pressing roller 5 and the bottom pressing roller 6 are attached with a water-absorbing layer, and the central axes of the top pressing roller 5 and the bottom pressing roller are made of insulating materials. The stylus element is externally connected with a suspended flexible signal rod 18, one end of the signal rod is fixed on the upper part 14 and is connected with the stylus circuit in parallel, the output voltage is less than 10 volts, and the other end of the signal rod is suspended above the back of the hand.
The bottom of the lower seat 2 is provided with a water leakage port, the clamping groove 10 is made of hot melt insulating plastic, and a hot melt circuit which is electrified and heated is connected in parallel with a corresponding circuit.
In this embodiment, the equipment has increased the electric leakage early warning, in time the function of beating the hand, has increased the emergency treatment of electric leakage and the scrubbing function of the moisture on the cable under the non-electric leakage state simultaneously.
Example 4
The principle of the embodiment is the same as that of embodiment 1, and the specific difference is that a detachable spring is arranged between the upper cover 1 and the lower seat 2 at the opening, and two ends of the detachable spring are respectively buckled at the edges of the upper cover 1 and the lower seat 2.
Finally, it should be noted that: the above is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. Cable length metering device in tunnel construction, its characterized in that: the novel rice meter comprises at least one spherical or cylindrical shell, wherein the shell comprises an upper cover (1) and a lower seat (2) which are hinged with each other, a cable through hole (4) is formed in the middle position of the upper cover (1) and the lower seat (2), a top pressing roller (5) tangential to a cable is arranged in the upper cover (1), a bottom top roller (6) is arranged in the lower seat (2), and the bottom top roller (6) is connected with a rice meter for recording the rotating speed of the rice meter;
the cable through hole (4) is larger than the outer diameter of the cable to be tested;
at least one of the top pressing roller (5) or the bottom pressing roller (6) is in a reverse drum shape with the outer diameter gradually increasing from the center to the two sides so as to realize cable limit;
the shell is provided with anti-skid patterns and a display screen (7), the display screen (7) is connected with the output end of the controller, and the input end of the controller is connected with a meter counter and a power supply;
the meter counter comprises a striking column (8) arranged at the end part of the bottom top roller (6), wherein a striking sheet (9) is arranged in the rotating travel range of the striking column (8), the striking sheet (9) is connected with a switch to realize the transmission of an electric signal, the electric signal realizes meter counting through an analog-to-digital converter, and information is input to the controller; the utility model discloses a measuring device, including upper cover (1), lower seat (2), lamp area (11) are set up on the corresponding face of upper cover and lower seat (2) in order to realize measuring the location of extreme point, the lamp area install in upper cover (1), upper cover (1) with be equipped with the printing opacity seam in the shape position size between lower seat respectively be equipped with electrography component (17) around cable through-hole (4) of lower seat (2), electrography component (17) are whole to open fish-mouth shape, lower part (15) of fish-mouth shape are fixed on lower seat (2), be fixed into annular circle through the hinge connection between upper portion (14) and lower part (15), set up annular silk (16) that form circumference in the annular circle, be equipped with the electrography circuit on upper portion (14), the electrography circuit with annular silk (16) are connected.
2. The apparatus for measuring cable length in tunnel construction according to claim 1, wherein: the cable clamping device is characterized by further comprising an auxiliary clamping cylinder (3) clamped on the cable through hole (4), wherein the auxiliary clamping cylinder (3) comprises two half cylinders spliced into an I-shaped cylinder, a clamping groove (10) is formed in the auxiliary clamping cylinder, and the inner diameter size of the auxiliary clamping cylinder is not larger than the outer diameter of a tested cable.
3. The apparatus for measuring cable length in tunnel construction according to claim 1, wherein: the outer surfaces of the top pressing roller (5) and the bottom pressing roller (6) are adhered with water absorbing layers, and meanwhile, the central shafts of the top pressing roller (5) and the bottom pressing roller are made of insulating materials.
4. The apparatus for measuring cable length in tunnel construction according to claim 1, wherein: the display screen (7) is connected with the lower seat (2) through a universal hinge.
5. The apparatus for measuring cable length in tunnel construction according to claim 2, wherein: the bottom of the lower seat (2) is provided with a water leakage port, the clamping groove (10) is made of hot melt insulating plastic, and a hot melt circuit which is electrified and heated is connected in parallel on a corresponding circuit.
6. The apparatus for measuring cable length in tunnel construction according to claim 1, wherein: the electric pencil element is externally connected with a suspended flexible signal rod (18), one end of the signal rod is fixed on the upper portion (14), the signal rod is connected with the electric pencil circuit in parallel, the output voltage is less than 10V, and the other end of the signal rod is suspended above the back of the hand.
7. The apparatus for measuring cable length in tunnel construction according to claim 1, wherein: the detachable spring is arranged between the upper cover (1) and the lower seat (2), and two ends of the detachable spring are respectively buckled on the edges of the upper cover (1) and the lower seat (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623229.7A CN114279382B (en) | 2021-12-28 | 2021-12-28 | Cable length metering device in tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111623229.7A CN114279382B (en) | 2021-12-28 | 2021-12-28 | Cable length metering device in tunnel construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114279382A CN114279382A (en) | 2022-04-05 |
| CN114279382B true CN114279382B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111623229.7A Active CN114279382B (en) | 2021-12-28 | 2021-12-28 | Cable length metering device in tunnel construction |
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| CN (1) | CN114279382B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837435A (en) * | 1987-06-25 | 1989-06-06 | Seiko Instruments Inc. | Tunneling scanning microscope having light source |
| WO2010092256A2 (en) * | 2009-02-16 | 2010-08-19 | Nereus Technologies | Device for measuring cable length |
| KR20150019850A (en) * | 2013-08-16 | 2015-02-25 | 삼성중공업 주식회사 | Apparatus and method for mesuring cable length |
| CN205233755U (en) * | 2015-12-09 | 2016-05-18 | 国网江西省电力公司景德镇供电分公司 | Join in marriage net individual soldier operation or work standard safety tool package |
| CN208952805U (en) * | 2018-09-28 | 2019-06-07 | 江苏苏安电力工程管理有限公司 | A kind of acceptance of work multifunction measuring set |
| CN211954075U (en) * | 2020-05-25 | 2020-11-17 | 中国石油化工集团有限公司 | Portable insulating cable length measurement ware |
-
2021
- 2021-12-28 CN CN202111623229.7A patent/CN114279382B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4837435A (en) * | 1987-06-25 | 1989-06-06 | Seiko Instruments Inc. | Tunneling scanning microscope having light source |
| WO2010092256A2 (en) * | 2009-02-16 | 2010-08-19 | Nereus Technologies | Device for measuring cable length |
| KR20150019850A (en) * | 2013-08-16 | 2015-02-25 | 삼성중공업 주식회사 | Apparatus and method for mesuring cable length |
| CN205233755U (en) * | 2015-12-09 | 2016-05-18 | 国网江西省电力公司景德镇供电分公司 | Join in marriage net individual soldier operation or work standard safety tool package |
| CN208952805U (en) * | 2018-09-28 | 2019-06-07 | 江苏苏安电力工程管理有限公司 | A kind of acceptance of work multifunction measuring set |
| CN211954075U (en) * | 2020-05-25 | 2020-11-17 | 中国石油化工集团有限公司 | Portable insulating cable length measurement ware |
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| CN114279382A (en) | 2022-04-05 |
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