CN216116224U - Shield grease monitoring equipment based on TOF laser ranging sensor - Google Patents

Abstract

The utility model relates to the technical field of shield machine grease system detection, in particular to shield grease monitoring equipment based on a TOF laser ranging sensor, which comprises: the system comprises a TOF laser ranging module and an upper computer, wherein the TOF laser ranging module is used for measuring displacement data of the grease barrel, and the upper computer is connected with the TOF laser ranging module and is used for storing and analyzing the displacement data fed back by the TOF laser ranging module; and the TOF laser ranging module is fixed on the grease pump connecting rod through a fixing device. The utility model has simple structure, novel and reasonable design, realizes real-time monitoring of the residual grease amount of the shield by applying laser ranging to the monitoring of the grease of the shield, is convenient to master the grease using amount in time and prevent equipment from breaking down, and has the advantages of wide ranging range, high precision, good reliability, convenient assembly and maintenance and better application prospect.

Description

Shield grease monitoring equipment based on TOF laser ranging sensor

Technical Field

The utility model relates to the technical field of shield machine grease system detection, in particular to shield machine grease monitoring equipment based on a TOF laser ranging sensor.

Background

The shield machine is used as important special equipment for tunnel construction at present, and is generally applied to construction projects of all tunnel pipe galleries. The grease system is used as an important lubricating and sealing system for a transmission part of the shield machine, and the real-time monitoring of the grease consumption and the injection rate has important significance for the construction of the shield machine.

In order to clarify the working content and the implementation scheme of the shield machine additionally provided with the grease usage monitoring system, ensure the working quality and the working content integrity of a modification site, improve the accuracy and the intelligence of the shield grease system detection, and realize fine management, the conventional shield machine mostly adopts the conveying of grease pumps of two imported brands of Lincoln and Gurkinje into HBW, EP2 and shield tail grease, and for the conventional grease pumping mode, the grease has high viscosity, the flow is not easy to calculate by using a conventional flow meter, the grease injection amount and the grease usage amount are not automatically counted, only the limit is carried out on the grease injection amount and the grease usage amount, and the waste of the grease is easy to occur; and when the oil consumption does not accord with the actual injection amount, the fault cannot be found in time to solve the problem.

Disclosure of Invention

Therefore, the shield grease monitoring equipment based on the TOF laser ranging sensor provided by the utility model can be used for monitoring the residual grease amount of the shield in real time, facilitating timely mastering of the grease using amount and preventing the equipment from breaking down.

According to the design scheme provided by the utility model, the shield grease monitoring equipment based on the TOF laser ranging sensor comprises: the system comprises a TOF laser ranging module and an upper computer, wherein the TOF laser ranging module is used for measuring displacement data of the grease barrel, and the upper computer is connected with the TOF laser ranging module and is used for storing and analyzing the displacement data fed back by the TOF laser ranging module; and the TOF laser ranging module is fixed on the grease pump connecting rod through a fixing device.

As shield grease monitoring equipment based on TOF laser ranging sensor, further, the TOF laser ranging module comprises: the device comprises a reflecting plate fixed with a grease barrel cover plate, a laser transceiving unit fixed on a grease pump connecting rod through a fixing device, a photoelectric conversion unit in electrical signal connection with the laser transceiving unit, a signal processing unit connected with the photoelectric conversion unit, and a communication unit and a power supply unit connected with the signal processing unit.

As the shield grease monitoring equipment based on the TOF laser ranging sensor, the shield grease monitoring equipment further comprises a man-machine interaction module which is in electric signal connection with the TOF laser ranging module and is used for data display and input.

As shield grease monitoring equipment based on TOF laser ranging sensor, the utility model further comprises a man-machine interaction module: the system comprises a processor, a man-machine interaction panel, a communication module and a state indicator lamp, wherein the man-machine interaction panel is connected with the processor and used for data input and display, the communication module is used for communicating with the TOF laser ranging module, and the state indicator lamp is used for displaying the working state of the TOF laser ranging module.

As the shield grease monitoring equipment based on the TOF laser ranging sensor, the man-machine interaction module is further fixed in a shield machine junction box assembly and connected with a shield machine main control room PLC through a connecting line, and is connected to an upper computer through the main control room PLC.

The utility model has the beneficial effects that:

the utility model has simple structure, novel and reasonable design, realizes real-time monitoring of the residual grease amount of the shield by applying laser ranging to the monitoring of the grease of the shield, is convenient to master the grease using amount in time and prevent equipment from breaking down, and has the advantages of wide ranging range, high precision, good reliability, convenient assembly and maintenance and better application prospect.

Description of the drawings:

FIG. 1 is a schematic block diagram of shield grease monitoring equipment based on TOF laser ranging sensor in the embodiment;

FIG. 2 is a structural schematic diagram of shield grease monitoring equipment in the embodiment;

FIG. 3 is an enlarged view of region I in FIG. 2;

FIG. 4 is an enlarged view of area II in FIG. 2;

fig. 5 is an enlarged view of the region iii in fig. 2.

In the figure, the reference numeral 1 represents a grease barrel, the reference numeral 2 represents a man-machine interaction module, the reference numeral 3 represents a reflecting plate, the reference numeral 4 represents an air pump, the reference numeral 5 represents a TOF laser ranging module, and the reference numeral 6 represents a fixing device.

The specific implementation mode is as follows:

the present invention will be described in further detail below with reference to the accompanying drawings and technical solutions, and embodiments of the present invention will be described in detail by way of preferred examples, but the embodiments of the present invention are not limited thereto.

TOF range finding principle has extensively applied to robot, automobile field, compares with other range finding modes, only needs the flight once can accomplish the range finding, and is accurate quick, satisfies the long distance range standard, and the range finding hardware development is rapid, and the cost is lower, satisfies project industry cost demand. Laser has the characteristic of high directivity, can transmit longer distance, is commonly used for distance measurement, has lower error compared with other optical measurement, and is widely used in various distance measurement scenes. The embodiment of the utility model, as shown in fig. 1 to 5, provides shield grease monitoring equipment based on a TOF laser ranging sensor, which comprises: the system comprises a TOF laser ranging module 5 used for measuring displacement data of the grease barrel 1 and an upper computer connected with the TOF laser ranging module 5 and used for storing and analyzing the displacement data fed back by the TOF laser ranging module 5; and the TOF laser ranging module 5 is fixed on the grease pump connecting rod through a fixing device 6. Simple structure goes on using shield structure machine grease monitoring with laser rangefinder, but real-time supervision shield constructs surplus grease volume, masters grease use amount, prevents that equipment from breaking down, and the range finding is wide, and the precision is high, and the good reliability, and according to the in-service use demand, also can extend this TOF laser rangefinder module 5 to shield structure machine its residual liquid level measurement, the equipment of being convenient for is maintained.

As shield grease monitoring equipment based on a TOF laser ranging sensor in the embodiment of the utility model, further, the TOF laser ranging module 5 includes: the oil pump comprises a reflecting plate 3 fixed with a grease barrel cover plate, a laser transceiving unit fixed on a grease pump connecting rod through a fixing device 6, a photoelectric conversion unit in electrical signal connection with the laser transceiving unit, a signal processing unit connected with the photoelectric conversion unit, a communication unit and a power supply unit connected with the signal processing unit. The laser emitting unit is used for emitting infrared laser, the reflecting plate 3 is used for reflecting the laser, the laser receiving unit is used for receiving the reflected laser, the signal processing unit can output the laser flight time difference to the communication unit, and the communication unit returns corresponding current signals to the upper computer. Referring to fig. 5, the fixing device 6 is responsible for fixing the laser ranging module 5, the fixing device 6 can adopt a rotatable base hinged with the grease pump connecting rod, and the base is used for adjusting the angle of the laser ranging module 5, so that the laser ranging module meets the actual use requirement, and the laser ranging module is more convenient and reliable to implement.

As the shield grease monitoring equipment based on the TOF laser ranging sensor in the embodiment of the utility model, the shield grease monitoring equipment further comprises a human-computer interaction module 2 (namely, a setting module identified in fig. 2 and 5) which is in electric signal connection with the TOF laser ranging module 5 and is used for data display and input, and the use requirements of data display, data calibration and the like can be further realized through the human-computer interaction module. Further, the human-computer interaction module 2 includes: the processor, and be connected the man-machine interaction panel that is used for data input and shows, be used for with the communication module of TOF laser ranging module 5 communication and be used for showing the status indicator lamp of TOF laser ranging module 5 operating condition with the processor respectively. Furthermore, the man-machine interaction module 2 is fixed in the junction box assembly of the shield machine, is connected with a main control room PLC of the shield machine through a connecting line, and is connected to an upper computer through the main control room PLC. A plurality of distance measuring modules 5 can be connected to the man-machine interaction module 2, each distance measuring module 5 can be coded and distinguished before use, and each distance measuring module 5 and the man-machine interaction module 2 can be communicated in a serial bus mode. The man-machine interaction module 2 is fixed in the junction box assembly of the shield tunneling machine, the dustproof and waterproof capability of the equipment is improved to meet the harsh environment of tunnel excavation, the equipment is connected to the master control room PLC analog quantity module through a connecting wire, and the PLC is connected to the upper computer. When the equipment works, the power key is turned on, the equipment self-check is started at first, and whether the power supply and the communication are normal or not is checked. If an error occurs, the corresponding fault code can be displayed through the man-machine interaction module 2, and the indicator light corresponding to the ranging module 5 flickers. The man-machine interaction module 2 can be used for checking real-time data of each measuring module in real time, displaying the residual volume and quality of the grease on an upper computer in real time, and displaying the pumping speed of the grease, the cumulative amount of each ring of grease and the total accumulated amount of the grease when the air pump 4 starts pumping the grease.

When the shield construction grease specification is determined, the grease consumption can be represented by the relative displacement of the grease barrel cover to the initial value position, and the injection rate can be obtained by the grease consumption in a fixed time difference. In the embodiment of the scheme, the TOF laser ranging module 5 is used for converting displacement signals of the grease barrel 1 into electric signals, the man-machine interaction module 2 is used for carrying out local calibration and data display on each ranging module 5, and then the electric signals are converted into the shield tunneling machine PLC analog quantity input module. Furthermore, the monitoring equipment can be powered by commonly used industrial wide-voltage-range direct current 9-36V, and a 4-20mA current signal is adopted to transmit a current signal to the PLC analog input module.

The term "and/or" herein means that three relationships may exist. For example, a and/or B may represent: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter associated objects are in an "or" relationship.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the description and claims of this application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various changes and modifications may be made to the specific embodiments described above and various combinations of the technical features and structures proposed by the present invention may be made without departing from the concept of the present invention, and the scope of the present invention is defined by the appended claims. The foregoing description of specific exemplary embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the utility model and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the utility model be defined by the claims and their equivalents.

Claims (5)

1. The utility model provides a shield constructs grease monitoring facilities based on TOF laser rangefinder sensor which characterized in that contains: the system comprises a TOF laser ranging module and an upper computer, wherein the TOF laser ranging module is used for measuring displacement data of the grease barrel, and the upper computer is connected with the TOF laser ranging module and is used for storing and analyzing the displacement data fed back by the TOF laser ranging module; and the TOF laser ranging module is fixed on the grease pump connecting rod through a fixing device.

2. The shield grease monitoring equipment based on the TOF laser ranging sensor as claimed in claim 1, wherein the TOF laser ranging module comprises: the device comprises a reflecting plate fixed with a grease barrel cover plate, a laser transceiving unit fixed on a grease pump connecting rod through a fixing device, a photoelectric conversion unit in electrical signal connection with the laser transceiving unit, a signal processing unit connected with the photoelectric conversion unit, and a communication unit and a power supply unit connected with the signal processing unit.

3. The shield grease monitoring equipment based on the TOF laser ranging sensor as claimed in claim 1 or 2, further comprising a human-computer interaction module in electrical signal connection with the TOF laser ranging module for data display and input.

4. The shield grease monitoring equipment based on the TOF laser ranging sensor according to claim 3, wherein the human-computer interaction module comprises: the system comprises a processor, a man-machine interaction panel, a communication module and a state indicator lamp, wherein the man-machine interaction panel is connected with the processor and used for data input and display, the communication module is used for communicating with the TOF laser ranging module, and the state indicator lamp is used for displaying the working state of the TOF laser ranging module.

5. The shield grease monitoring device based on the TOF laser ranging sensor as claimed in claim 3, wherein the human-computer interaction module is fixed in a shield machine junction box assembly and connected with a shield machine main control room PLC through a connecting line, and connected to an upper computer through the main control room PLC.

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