32results about How to "Convenient for field construction" patented technology

The invention relates to a ring-array combined solid nonpolarizing electrode. N electrode pins circularly distributed at equal angles are connected with an array combined electrode cover after penetrating through a fixed plate, the middle of the array combined electrode cover is provided with a switching circuit, the switching circuit is connected with a galvanic exploration system through an electrode signal leading-out line, and the solid nonpolarizing electrode is formed in such a way that a measurement electrode is formed by planting metal at the groove section of the middle of a dumbbellmain bracket of the electrode pins and a solid electrolyte is coated outside the measurement electrode. The solid nonpolarizing electrode is combined with a metal bar to form the electrode pins, therefore, the invention has high measurement accuracy and high construction efficiency. Especially, a ring-array electrode pin structure is adopted, the electrode pins ensure that the electrode side surface is tightly coupled with the ground around the electrode pins, the array structure enhances the electrode electric field signal amplitude and improves the signal to noise ratio, thereby realizing the property of measuring an electric field in a high-accuracy way. The electrode has convenient field construction, simple maintenance, convenient detection, simple manufacture process and low cost.

The invention discloses a high frequency omnidirectional velocity geophone, and belongs to the field of geophones.According to the high frequency omnidirectional velocity geophone,through a unique three-arm spring piece, the frequency of a geophone is greatly increased and raises above 60 Hz,and the ability to an explore shallow seismic signal is ensured;a special circlip groove structure is adopted, upper and lower spring pieces are fixedly mounted in the opposite directions, the omnidirectional working state of the high frequency omnidirectional velocity geophone is ensured, the allowed inclination angle of working is 0 degree to 180 degree, field construction is greatly facilitated, construction difficulty is reduced, meanwhile the arrangement of a one-way splitting assembly in the circlip groove ensures the stability of the connection between the lower spring piece and a wire frame, so that a circlip is unlikely to drop out of the circlip groove due to vibration or collision,and thus the stability of the high frequency omnidirectional velocitygeophone is improved; and at the same time, the lower spring piece or the circlip can be taken out for maintenance and replacement, thusthe probability of the entire geophone being scrapped due to damage of a partial part is effectively reduced, and the utilization rate of resources is increased.

Disclosed is a distorted concrete grouting system. A weight sensor is arranged on a measurement bucket, a stirrer provides grout for the measurement bucket through a first valve, the measurement bucket is connected with a grouting device through a pump, and a vibrator is arranged on the grouting device. A grouting method adopting the distorted concrete grouting system comprises the following steps that 1, the grouting device is inserted into concrete, a remote control unit is pressed manually, the pump starts grouting, and the vibrator starts vibration; 2, in the process that the weight of cement grout in the measurement bucket is reduced, when the weight sensor detects that the reduction value is the set value, the pump stops, grouting stops, and the vibrator stops vibration in a delayed mode; quantitative grouting is achieved through the steps. According to the distorted concrete grouting system and the grouting method, the self-weighing measurement bucket is arranged, and grouting construction is automatically carried out according to the predefined grout amount.

The invention discloses a geophysical exploration data acquisition station. The geophysical exploration data acquisition station comprises a front-end analog-to-digital conversion unit and a back-end processing unit which are connected with each other, wherein the analog-to-digital conversion unit consists of a variable gain amplifier and an analog-to-digital converter; and the processing unit consists of a field programmable gate array and a data transmission interface chip which is connected with the field programmable gate array. The geophysical exploration data acquisition station integrates data acquisition and data transmission, is simple in structure, convenient to use, and has the advantages of high integration level, high precision, low noise and low power consumption.

The invention relates to a telemetry seismograph data transmission method based on a multi-hop Ethernet architecture. A seismograph host is connected with cross stations by cross lines in a multi-hop mode; the cross stations are respectively connected with acquisition stations at both sides by jug lines in the multi-hop mode; and the seismograph host is based on a TCP / IP protocol to interact commands and transmit data with the cross stations and ensures the reliability of earthquake data transmission. The invention applies Ethernet technologies to a wired telemetry seismograph which adopts the multi-hop architecture to connect the seismograph host, the cross stations and the acquisition stations, thereby simplifying the system connection, removing equipment in a traditional Ethernet, suchas a switch, a router, and the like and facilitating the field construction. The seismograph host automatically distributes IP addresses for all the cross stations and the acquisition stations and can obtain connection sequences. The Ethernet based on 100Mbps can greatly improve the data transmission rate of the wired telemetry seismograph, and the practically measured data transmission rate of ajug line can achieve 30Mbps and exceeds the prior similar instrument only achieving 16Mbps.

The invention discloses a multi-frequency induced polarization instrument receiver and a ground potential difference response signal processing method. The multi-frequency induced polarization instrument receiver comprises a GPS (global positioning system) module, a liquid crystal screen, an input module, a pre-mounted conditioning module, an acquisition buffer module, a slave controller, a first power source, a main controller, a liquid crystal screen driving module, a communication module, a storage module and a second power source module, wherein the pre-mounted conditioning module, the acquisition buffer module, the slave controller and the first power source module are integrated on a slave control panel, and the main controller, the liquid crystal screen driving module, the communication module, the storage module and the power source module are integrated on a main control panel. The multi-frequency induced polarization instrument receiver is small in size, light in weight and high in confidentiality, so that field construction is more convenient and easier, performance of the like instruments is improved, multiple frequency types can be provided, and mineral substance resolution ratio of the instrument is increased and using flexibility of the instruments is improved.

The invention relates to a mobile electrode type pipeline non-destructive testing device applied to the electric field fingerprint method, which belongs to the field of pipeline non-destructive testing technical equipment. Including the pipeline to be tested (1), a region to be tested is set on the pipeline to be tested (1), and a number of detection points are arranged in the region to be tested, characterized in that: the surface of the pipeline to be tested (1) is The non-welded form is provided with a collection tank unit (4) that exposes the detection point, and a reciprocating collection unit (5) is erected on the surface of the collection tank unit (4), and the reciprocating collection unit (5) and the reciprocating drive unit ( 3) Connect and be driven by it to reciprocate along the collection tank unit (4) and complete the collection of detection point data. When the mobile electrode non-destructive testing device for pipelines applied to the electric field fingerprint method of the present invention uses the electric field fingerprint method to test pipeline corrosion conditions, it adopts a non-welding method to realize data collection and avoid a large number of wiring.

The invention relates to a three-dimensional power frequency interference source quantitative orientation device and measurement method for nuclear magnetism. The device comprises a vertical receivingcoil which receives a vertical power frequency interference signal, an east-west receiving coil which receives an east-west power frequency interference signal, a north-south receiving coil which receives a north-south power frequency interference signal, a collection circuit which collects power frequency interference signals of vertical, east-west and north-south directions, an upper computer which calculates a possible power frequency interference source vector according to the component vectors in the three directions collected by the collection circuit, a main controller which controls auniversal tripod head to rotate according to the possible vector direction according to an instruction of the upper computer, receives the power frequency interference signals through a universal receiving coil, and transmits the signals to the upper computer through the collection circuit. According to the device, power frequency interference signals existing in a space can be accurately positioned, the magnitude and size of a power frequency interference resource can be measured, finding and eliminating the power frequency interference source in nuclear magnetic resonance detection are facilitated, and the signal noise generated by power frequency interference is reduced.

The invention relates to a power-supply work station for a seismic prospecting instrument and a working method thereof. Compared with the prior art, the defect that a power-supply work station cannot integrate data acquiring, buffering, forwarding and power supplying is overcome. The power-supply work station comprises an FPGA (Field Programmable Gate Array) chip, a local power supply connected with the FPGA chip, a master SDRAM (Synchronous Dynamic Random Access Memory), a slavery SDRAM, a local data acquiring chip, a power supply management module and a network transformer, wherein the local data acquiring chip is connected with an acquisition driving module of the FPGA chip, the master SDRAM and the slavery SDRAM are respectively connected with an SDRAM ping-pong control module of the FPGA chip, and the network transformer is connected with a power supply control module of the FPGA chip via the power supply management module. According to the invention, data acquiring, buffering, forwarding and power supplying functions are integrated, a ping-pong buffering work mode is employed, and the work station and method are helpful for realization of large-scale seismic prospecting instrument systems, especially systems without limitations of channels.

The invention discloses a device and method for laying high-voltage cables with special-shaped lumens, which belong to the technical field of cable construction. A specially arranged clamping mechanism and a pipe matched with the clamping mechanism are adopted. The clamping mechanism can drive power when running along the pipeline. The cable is bent in the pipe, which can solve the problem that the existing power cable is not easy to bend, and reduces the laying time and cost. The device includes a pipe and a clamping mechanism. The clamping mechanism is located inside the pipeline. The inner wall of the pipe is in contact; the end of the pipe is provided with a handle, and the handle passes through the pipe wall of the pipe. The wall is arc-shaped, and the traction cable can be attached to the inner pipe wall of the bending section to slide.