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35results about How to "Unrestricted installation" patented technology

Parallel piezoelectric micromotion platform

The invention discloses a parallel piezoelectric micromotion platform which comprises a platform body and a moving platform. The parallel piezoelectric micromotion platform is characterized in that elastic deformation bodies are integrally arranged at four right angles between the platform body and the moving platform; each elastic deformation body comprises two oppositely-arranged convex-concavecircular arc-shaped elastic thin sheets with equal diameters and arc lengths; both ends of each circular arc-shaped elastic thin sheet are integrally connected with the internal right angle of the platform body and the external right angle of the moving platform; at least one guide hinge is arranged on at least one side surface of the moving platform; a piezoelectric ceramic actuator is fixedly arranged between the guide hinge and the inner side surface of the platform body right opposite to the guide hinge; and the transverse cross section of the guide hinge is coincided with that of the piezoelectric ceramic actuator. The parallel piezoelectric micromotion platform has the advantages that both the translational micro-displacement and the rotary micro-displacement can be realized, so that the one-dimensional, the two-dimensional and the three-dimensional micro-displacement can be conveniently realized; the parallel piezoelectric micromotion platform has high integral rigidity and natural frequency; and the installation of the displacement sensor is not limited.
Owner:NINGBO UNIV

Spotlight illuminating system integrating optical fiber with light guide

The invention provides a spotlight illuminating system integrating optical fiber with a light guide. The spotlight illuminating system comprises a lighting device, a light guiding pipe and a lamp. A parallel light device, a light gathering component and a fiber optic receiver are sequentially arranged in the light guiding pipe, and the output end of the fiber optic receiver is connected with the lamp through a plurality of optical fiber; and sunlight enters the light guiding pipe through the lighting device and parallelly emits towards the light gathering component to conduct gathering after going through the parallel light device, and gathered light enters the optical fiber after going through the fiber optic receiver and is transmitted into the lamp along the optical fiber to be diffusedout to provide illumination. According to the spotlight illuminating system integrating the optical fiber with the light guide, the multiple advantages that the effective illuminating time of light guiding illumination is long, installation of the lighting device is convenient, the cost is low, the transmission distance of optical fiber illumination is long, the installation space is small, arrangement is flexible, and construction is convenient are comprehensively utilized, so that partial and long-time sunlight illumination of deep-plan buildings is achieved.
Owner:重庆格络新材科技有限公司

Damping energy dissipation device and epsilon-shaped steel structure thereof

The invention discloses an epsilon-shaped steel structure of a damping energy dissipation device, which is characterized in that the epsilon-shaped steel structure comprises a first arc section and a second arc section which are abreast arranged, the opening directions of the first arc section and the second arc section are consistent, and one end of the first arc section and one end of the second arc section are intersected to form an integral structure; and the other end of the first arc section and the other end of the second arc section are fixed ends, the fixed end of the first arc section and the fixed end of the second arc section are respectively hinged with the fixed parts of the damping energy dissipation device, the ends of the first arc section and the second arc section which intersected with each other are movable ends, and the movable ends are hinged with the movable parts of the damping energy dissipation device. By adopting the arrangement, the epsilon-shaped steel structure can effectively improve the damping energy dissipation effect of the damping energy dissipation device on the premise that the limit to the installation of the damping energy dissipation device is ensured to be small. The invention additionally discloses the damping energy dissipation device with the epsilon-shaped steel structure.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

Non-contact temperature measuring device for monitoring of production process of quartz crucible

The invention discloses a non-contact temperature measuring device for monitoring of a production process of a quartz crucible. The non-contact temperature measuring device comprises an installing base, a sensor installing support and an insulation board, wherein the installing base is fixedly connected on a quartz sand distributing device, and the sensor installing support is perpendicular to the installing base and is fixedly connected on one side of the installing base. The insulation board is located over a quartz crucible mold and under the sensor installing support. A non-contact type temperature sensor and a temperature display instrument are arranged above the sensor installing support, wherein the temperature display instrument is connected with the non-contact type temperature sensor. A light sensing tube is installed below the sensor installing support and is located under the non-contact type temperature sensor and penetrates through the insulation board and extends toward the top face of the quartz crucible mold. The insulation board is installed on one side, close to the middle position of the quartz crucible mold, of the light sensing tube. The non-contact temperature measuring device for the monitoring of the production process of the quartz crucible is compact in structure, reasonable in design, convenient to achieve, operate and use, beneficial for improving forming accuracy of the quartz crucible, low in maintenance cost, high in temperature measuring accuracy, good in using effect, and convenient to popularize and use.
Owner:XIAN JINNUO PHOTOELECTRIC TECH

Fabricated wall surface leveling mounting structure

The invention provides a fabricated wall surface leveling mounting structure. The fabricated wall surface leveling mounting structure comprises a plurality of leveling mounting mechanisms, each leveling mounting mechanism comprises a hanging connecting piece, a telescopic connecting piece and keels, wherein the hanging connecting piece comprises a first connecting plate and a second connecting plate connected with the first connecting plate, the first connecting plate is perpendicular to the second connecting plate, a connecting groove is formed below the second connecting plate, and the firstconnecting plate is fixed to a wall; the telescopic connecting piece comprises a telescopic connecting plate and a hanging connecting plate, the telescopic connecting plate is mounted in the connecting groove in an inserted manner, and the telescopic connecting plate is perpendicular to the hanging connecting plate; the side surfaces of the keels are in an M shape, and the keels are clamped and fixedly connected with the hanging connecting plate; and a plurality of hanging connecting pieces and telescopic connecting pieces are mounted on each keel in a spaced manner, and the hanging connecting pieces and telescopic connecting pieces are arranged in a one-to-one correspondence manner. Compared with the prior art, the fabricated wall surface leveling mounting structure has the advantages asfollows: the leveling range can be enlarged, the stability of a wallboard can be improved, and the decoration quality and decoration effects of the overall wall surface can be enhanced.
Owner:GOLD MANTIS FINE DECORATION TECH SUZHOU CO LTD

A Cylindrical Antenna-Feeder Lightning Arrester

The invention discloses a columnar antenna feeder lightning arrester, and aims to mainly solve the problems that the existing T-shaped quarter wavelength antenna feeder lightning arrester occupies a large space and is incompact in structure and insufficient in bandwidth and overcome the defects that the general columnar quarter wavelength lightning arrester is high in insertion loss and the communication signal transmission is easy to affect. The columnar antenna feeder lightning arrester is characterized in that a connection piece is arranged between a first shell and a second shell; a columnar inner cavity and an annular inner cavity are formed in the connection piece; the columnar inner cavity is communicated with the inner cavities of the first shell and the second shell; an annular inner core is arranged in the annular cavity; an isolating wall for isolating the columnar inner cavity from the annular cavity is arranged in the connection piece; the annular inner core penetrates through a through hole in the isolating wall and is connected with a main coaxial core; therefore, the columnar antenna feeder lightning arrester occupies a small space, and the mounting is not limited; a discharging channel is approximately closed, and a discharging process is low in influence on a communication signal; the insertion loss is low.
Owner:WENZHOU UNIVERSITY

Coil Field Shielded Proximity Sensors

The invention discloses a coil magnetic field shielding type proximity sensor, and aims to provide the proximity sensor with high reliability, high electromagnetic compatibility and a magnetic shielding function. According to the technical scheme, an induction assembly (5) is packaged in the inlet end of a non-magnetic cylindrical shell (1), and a lead of the induction assembly penetrates througha wire passing hole of a T-shaped spring base (4) to be connected with a non-magnetic cylindrical socket (2) which is packaged at the other end of the non-magnetic cylindrical shell; a spring (7) is fixed in a sealed cavity formed by a sealing disc on the tail part of the non-magnetic cylindrical socket through an end circular disc of the T-shaped spring base; the induction assembly generates an alternating magnetic field for leading an inductive signal of the induction assembly to the non-magnetic cylindrical socket; when a metal target approaches the magnetic field and reaches the inductivedistance, a change eddy current is generated in the metal target, and a control device is triggered and controlled, so that the eddy current is processed and converted into a switching signal by a post-stage switching circuit and an amplification output circuit.
Owner:CHENGDU KAITIAN ELECTRONICS

Intelligent switch with accidental touch prevention function

The invention discloses an intelligent switch with an accidental touch prevention function, which comprises a switch body, each of two vertical sides of the switch body is fixedly connected with a connecting strip, one side, close to a touch end of the switch body, of each connecting strip extends outwards, a first strip-shaped groove is vertically formed in one side, close to one side of the other connecting strip, of the extension end of each connecting strip, the upper ends and the lower ends of the two first strip-shaped grooves are each provided with a connecting shaft in a horizontal rotating mode, the two connecting shafts are each provided with a sleeve in a rotating sleeving mode, the positions, close to the two connecting shafts, in the two first strip-shaped grooves are each provided with a sliding shaft in a sliding mode, the two sleeves and the two sleeve columns are each fixedly connected with a folding cover plate, and one side of one connecting strip is vertically adhered to a connecting box. Different from a traditional exposed intelligent switch, the intelligent switch has the function of preventing mistaken touch and has the dustproof effect, a protection mechanism does not need to be unfolded outwards to increase the occupied space, the switch body can be installed at any position without being limited during installation, after operation, the switch is automatically and slowly closed, and the design is reasonable.
Owner:广东沃星电气有限公司

Columnar antenna feeder lightning arrester

The invention discloses a columnar antenna feeder lightning arrester, and aims to mainly solve the problems that the existing T-shaped quarter wavelength antenna feeder lightning arrester occupies a large space and is incompact in structure and insufficient in bandwidth and overcome the defects that the general columnar quarter wavelength lightning arrester is high in insertion loss and the communication signal transmission is easy to affect. The columnar antenna feeder lightning arrester is characterized in that a connection piece is arranged between a first shell and a second shell; a columnar inner cavity and an annular inner cavity are formed in the connection piece; the columnar inner cavity is communicated with the inner cavities of the first shell and the second shell; an annular inner core is arranged in the annular cavity; an isolating wall for isolating the columnar inner cavity from the annular cavity is arranged in the connection piece; the annular inner core penetrates through a through hole in the isolating wall and is connected with a main coaxial core; therefore, the columnar antenna feeder lightning arrester occupies a small space, and the mounting is not limited; a discharging channel is approximately closed, and a discharging process is low in influence on a communication signal; the insertion loss is low.
Owner:WENZHOU UNIVERSITY

Fence connecting joint and fence

The invention relates to a fence connecting joint and a fence. A protruding column is arranged in a shell of the fence connecting joint, and a pressing type switch is installed on the protruding column; the locking piece is sleeved on the convex column through a sleeve; each transverse pipe connector is sleeved on the corresponding core shaft of the cover plate to form a structure of rotating around the shaft of the transverse pipe connector, and an opening allowing the direction of the pipe joint of each transverse pipe connector to be changed is reserved in the connecting part of the shell and the cover plate; the locking piece is pushed downwards through the button, so that the lock catch of the sleeve is separated from the pressing type switch, and the locking ring of the locking piece is upwards arranged on the gear of the transverse pipe connector in a sleeving manner through the reset of the spring, so that the direction of the transverse pipe connector is fixed; the locking piece is pushed downwards through the button, so that the spring is compressed, the lock catch is inserted into the pressing type switch, and the locking ring is separated from the gear of the transverse pipe connector downwards, so that the transverse pipe connector can be rotationally adjusted; and the pipe joint of the transverse pipe connector and the vertical pipe joint of the shell form a three-way pipe connecting joint of the fence. The folding chair has the advantages of simple structure and easiness in folding.
Owner:深圳市颖拓创新科技有限公司

Test water pressure applying device for shield tunnel structural model

The invention discloses a test water pressure applying device for a shield tunnel structural model. An anchoring base plate is arranged between an anchoring end and an anchoring hole of an anchor cable; anchoring through holes on the anchoring hole and the anchoring base plate are inclined, and the inclined angles ensure that no inflection points are formed at hole edges when the anchor cable passes through the anchoring hole and the anchoring through holes; the outer side of the anchoring base plate is vertical to the anchoring hole; a jack base plate is arranged between the top of a jack and a jack hole; jack through holes on the jack hole and the jack base plate are inclined, and the inclined angles ensure that no inflection points are formed at hole edges when the cable passes through the jack hole and the jack through holes; and the outer side of the jack base plate is vertical to the jack hole. A tensioning angle and a tensioning gas of the anchor cable of the device are small, and additional concentrated force at a hoop beam is small so that the influence of environmental water pressure on a model tunnel structure can be actually simulated; therefore, more accurate and reliable basis can be provided for the design and construction of the shield tunnel structure, tunnel construction and operation safety can be guaranteed, and the reliability and the safety of the device are high.
Owner:SOUTHWEST JIAOTONG UNIV

Parallel piezoelectric micromotion platform

The invention discloses a parallel piezoelectric micromotion platform which comprises a platform body and a moving platform. The parallel piezoelectric micromotion platform is characterized in that elastic deformation bodies are integrally arranged at four right angles between the platform body and the moving platform; each elastic deformation body comprises two oppositely-arranged convex-concavecircular arc-shaped elastic thin sheets with equal diameters and arc lengths; both ends of each circular arc-shaped elastic thin sheet are integrally connected with the internal right angle of the platform body and the external right angle of the moving platform; at least one guide hinge is arranged on at least one side surface of the moving platform; a piezoelectric ceramic actuator is fixedly arranged between the guide hinge and the inner side surface of the platform body right opposite to the guide hinge; and the transverse cross section of the guide hinge is coincided with that of the piezoelectric ceramic actuator. The parallel piezoelectric micromotion platform has the advantages that both the translational micro-displacement and the rotary micro-displacement can be realized, so that the one-dimensional, the two-dimensional and the three-dimensional micro-displacement can be conveniently realized; the parallel piezoelectric micromotion platform has high integral rigidity and natural frequency; and the installation of the displacement sensor is not limited.
Owner:NINGBO UNIV

A hydraulic underwater stirring device

The invention relates to a stirring device, and in particular, relates to a hydraulic underwater stirring device. The lower end of a supporting stand column is rotatingly arranged in a reactor, and the upper end of the supporting stand column is arranged above the reactor and located in a sealing box in a covered mode; the sealing box is connected with the reactor in a sealing mode. A stirring body is arranged in the reactor, is connected with the supporting stand column in a relatively lifting mode, and rotates along with the supporting stand column. A motor is arranged at the upper end of the supporting stand column, and the output end of the motor is connected with the stirring body through a tow rope and drives the stirring body to go up and down. The reactor is internally filled with a fermentation liquid, and the fermentation liquid in the reactor is stirred by the stirring body which can rotate and go up and down. A telescopic hydraulic cylinder is arranged on the top of the reactor, a gas protection curtain is connected to the output end of the telescopic hydraulic cylinder, and the gas protection curtain is driven by the telescopic hydraulic cylinder to go up and down. The fermentation liquid in the reactor can be fully stirred, and in the overhaul process of the stirring body, the outside-tank overhaul of the stirring body can be achieved in the premise without clearing away the fermentation liquid.
Owner:QINGDAO INST OF BIOENERGY & BIOPROCESS TECH CHINESE ACADEMY OF SCI
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