120results about How to "Guaranteed not to move" patented technology

The invention relates to the field of stone cutting equipment, in particular to a stone cutting machine with a fixing and limiting device. The stone cutting machine comprises an operation table provided with a lower frame, a sawing device is arranged on the lower frame, an inverted L-shaped support is arranged in the middle of each of the left side and the right side in the lower frame on the upper surface of the operation table, a telescopic cylinder is disposed at the outer end of a horizontal cross rod of each inverted L-shaped support, a servo motor is connected to the upper end of each telescopic cylinder, and a sucker is connected to a telescopic cylinder end at the lower end of each telescopic cylinder. A movable rotation table is embedded in the middle of the surface of the operation table 1, and a bottom motor which drives the movable rotation table to rotate is disposed in the middle of the bottom face of the operation table. The stone cutting machine with the fixing and limiting device is simple in structure and convenient to operate, a stone block can be fixed by the suckers on two sides of the operation table and is guaranteed against moving, and consequently operating efficiency and product yield are improved.

The invention provides a monitoring method and a monitoring device for displacement of an oil and gas pipeline in a frozen soil area, and relates to the technical field of measuring of linear dimension and a piping system. A total station is utilized for monitoring displacement of the pipeline in the frozen soil area. A reference peg and a sighting peg are mounted in a monitoring area, and pipeline clamping devices are mounted on a pipeline to be monitored. A local coordinate system is established based on the reference peg and the sighting peg, and coordinates of the pipeline clamping devices are regularly measured. If displacement of the pipeline occurs, coordinates of the pipeline clamping devices are changed, and coordinate transformation in the time interval of two measurements is the displacement of the pipeline in the time interval. The monitoring device for displacement of the oil and gas pipeline in the frozen soil area is low in cost, stable and reliable, convenient to operate, and capable of effectively monitoring displacement of a pipeline in a frozen area.

The invention discloses a head support device for neurological surgery patients. The head support device comprises an operating table mounting surface. A cross movement device is arranged at the frontof the operating table mounting surface, a support device is arranged at the front of the cross movement device, a left fixing device is arranged on the left side of a position above the support device and comprises a mounting slide groove, a left slider, a left curved bar, a left slide groove, a left rotary slider, left threaded holes, a left ejector rod and a left turntable, the mounting slidegroove is formed in the middle of the upper surface of a mounting rod, the left slider is positioned in the mounting slide groove and is slidably connected with the mounting rod, the left curved bar is positioned on the upper side of the left slider and is fixedly connected with the upper surface of the left slider, the left slide groove is formed in the middle of the front surface of the left curved bar, the left rotary slider is positioned in the left slide groove and is slidably connected with the left curved bar, the left threaded holes are formed in the middles of the left side surface and the right side surface of the left rotary slider, the left ejector rod is nested in the left threaded holes and is rotationally connected with the left rotary slider, and the left turntable is positioned on the right side of the left ejector rod and is fixedly connected with the right surface of the left ejector rod. The head support device has the advantages of simple structure and high practicality.

The invention discloses a stacked pallet, a plurality of grooves arrayed in a matrix mode are formed in one side of a pallet plate, and clamping sleeves are arranged on the other side of the pallet plate and correspond to the grooves. When packing is carried out by utilization of the stacked pallet, the situation that bottles do not move and sway can be guaranteed so that a plurality of stacked pallets are formed into a whole and firm and stable. A finished stacking which is the whole formed by stacking can be a whole packed completely and transported, traditional packing materials are saved, and packing cost is reduced. Meanwhile, the stacked plate can be recycled and therefore is green and environment-friendly. According to a packer for stacking the pallets, due to the fact that film packer, a paper packer or a box filler and the like used by traditional packing are saved, packing is simplified, and the working efficiency is improved. In addition, after the finished stacking is transported to a merchant, removal of a package and placing of the finished stacking on a shelf are carried out without manpower, and labor cost is saved for the merchant.

The invention relates to an orbit-plate bidirectional carrier vehicle which comprises cabs, a walking system, a stand, a power pump station, a steering system and a balancing cylinder system, whereinthe cabs are respectively positioned at the front end and the rear end of the carrier vehicle and used for starting and controlling the whole carrier vehicle, and can travel bidirectionally; the walking system comprises two same walking parts which are arranged in a reverse symmetry way; the stand is positioned at the upper part of the walking system; the power pump station is positioned at the middle part of the carrier vehicle; the steering system comprises two front axles of respective walking part, a lever mechanism and a steering cylinder; and the balancing cylinder system is positioned between the stand and the walking cylinder. The carrier vehicle can bidirectionally travel without the needs of u-turn and astern, is easy to steer, and can keep the stand not to be distorted while traveling on bumpy road surfaces, realize the leveling to the stand while traveling in inclined road surfaces and keep the carrier vehicle to travel stably.

The invention discloses a medical disinfection cabinet. The cabinet comprises a cabinet body, wherein the cabinet body is of a hollow structure, a rotating rod arranged transversely is rotationally connected with the bottom of the cabinet body through a first rotating element and penetrates the side wall of the cabinet body, and the side wall of the rotating rod is sleeved with a first helical gear; a first threaded rod arranged vertically is rotationally connected with the inner wall of the upper end of the cabinet body through a second rotating element, a second helical gear matched with thefirst helical gear is arrange at one end, away from the second rotating element, of the first threaded rod, and the side wall of the first threaded rod is sleeved with a plurality of first nuts matched with the first threaded rod; an annular groove is formed in the side wall of each first nut, and a sliding groove is formed in the side wall, away from the first threaded rod, of the cabinet body and is glidingly connected with a plurality of transversely arranged partitions through sliders. The cabinet has the advantages of being simple in structure, convenient to operate and high in applicability, and medical appliances with different sizes can be accommodated.

The invention relates to an externally-hung infilled wall structural system for an assembly-type steel framework. The system comprises the rectangular steel framework and the infilled wallboard. The steel framework is formed by connection of steel framework columns and steel framework beams. The inside of an upper steel framework beam at the upper part is connected with first angle iron connectingpieces by welding. The inside of a lower steel framework beam is connected with second angle iron connecting pieces by welding. The infilled wallboard is arranged outside the steel framework and connected between the upper steel framework beam and the lower steel framework beam. Four corners of the infilled wallboard are equipped with first screw rods and second screw rods in a pre-buried manner.The bottom of each rectangular connection board is connected with a first screw rod. The top of each rectangular connection board is connected with the upper steel framework beam through a third screw rod. Each second screw rod is connected with each second angle iron connecting piece. In case of a horizontal earthquake, the wallboard and the steel framework are deformed so that anti-earthquake performance is improved. During the force-bearing process of screw rods, surrounding concrete is not affected so that concrete is prevented from cracking.

The invention discloses a wire clamp used for clamping an electric wire. The wire clamp comprises a first half clamp sleeve (3), a second half clamp sleeve (5), a bottom plate (4) and a protective plate (1). The first half clamp sleeve (3) and the second half clamp sleeve (5) are respectively provided with multiple semicircular grooves (8) in an opposite way. Radius of the semicircular grooves (8) is equal to that of the electric wire. The two ends of the protective plate (1) are provided with a clamping hook (6) respectively. The positions, which are corresponding to the clamping hooks (6), of the two ends of the bottom plate (4) are provided with buckles (7). The protective plate (1) is clamped on the buckles (7) in a matching way via the clamping hooks (6) so as to wrap the first half clamp sleeve (3) and the second half clamp sleeve (5). The opposite positions of the half clamp sleeves are respectively provided with the semicircular grooves so that circular holes are formed via matching. Each strand of the electric wire can be respectively embedded in the circular holes without being wound together and difficult to separate. Besides, the position is stable, and the two ends of the wire clamp are fixed via the buckle members so that endplay of the electric wire does not occur, the structure is simple and installation is convenient.

The invention discloses a continuous zooming non-refrigeration thermal infrared imager, which comprises an infrared detector, a continuous zooming optical system with a large relative aperture, a structural assembly and an automatic focusing module, wherein the relative aperture of the continuous zooming optical system is greater than or equal to 1: 1, and the continuous zooming optical system comprises optical lenses including a front fixed lens, a zooming lens, a compensation lens, a rear fixed lens and a focusing lens which are sequentially arranged from an object space to an image space along an optical axis; the structural assembly comprises a main lens barrel, a zooming cam and a motor, and the main lens barrel is used for fixing the optical lenses in the continuous zooming optical system; the zooming cam drives the zooming lens and the compensation lens to move under the driving of the motor, so as to complete zooming of the optical system; and the automatic focusing module recognizes a defocusing amount and drives the motor to drive the focusing lens through extracting, analyzing and comparing energy values of image edge contours, thereby achieving automatic focusing.

The invention relates to a drillmobile front and rear support structure which is mainly used for the front and rear support of a drillmobile when drilling in the coal mine laneway operation. The support structure comprises a propelling bracket (2), a front support (1) and a rear support component (3), wherein, the front support (1) is connected with the front part of the propelling bracket (2) horizontally and forwards, the rear support component (3) is connected with the rear part of the propelling bracket (2) horizontally and backwards, and the rear support component (3) comprises an oil cylinder I(3.1) and a rear support (3.2) which is connected with a cylinder rod of the oil cylinder I(3.1). The support structure has convenient transportation, short operation time and stable support.

The invention relates to the technical field of medical electronics and in particular relates to a medical wristband with a self-compensation function and capable of offsetting blood oxygen measurement interference due to movements of a user when the user wears the wristband. Movement compensation is realized via gravitational acceleration, and interference factors produced during the daily use ofthe wristband can be eliminated; accurate and reliable blood oxygen saturation measurement can be achieved; a boss, mounted on the bottom of a wristband body, is keen to skin, so a temperature sensor, a photosensitive sensor and a light source projection window can be well applied to the wrist skin, and position of the wristband during the movement of the user can be positioned; and relative displacement between the temperature sensor and the photosensitive sensor and the wrist skin can be prevented, so measurement error during the movement can be reduced or eliminated.

The invention relates to a top-mounted ball valve. The top-mounted ball valve comprises a fixer positioned between a ball body and a valve body, wherein the fixer is sealed together with the ball body; a sealing element is arranged between the fixer and the valve body; a limiting piece is arranged between the valve body and the fixer; the outer circumferential surface of the limiting piece is in threaded connection with the valve body; the limiting piece is connected with the fixer in an anti-rotation way. By rotating the fixer and moving the limiting piece towards the fixer, a sealing gap can be formed between the limiting piece and the fixer for preventing the sealing element from moving. The distance between the fitting surface of the fixer and the sealing element and the axis of the valve body is smaller than the distance between the sealing surface of a sealing material and the axis of the valve body, and the distance between the fitting surface of the valve body and the sealing element and the axis of the valve body is larger than the distance between the center of the sealing surface of the sealing material and the axis of the valve body. Pressure is introduced into the end of the ball valve, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, pressure is introduced into a middle cavity, the fixer is pressed against the ball body through the pressure difference between both sides of the fixer, and the sealing element is prevented from moving, thereby realizing a reliable bidirectional sealing effect between the fixer and the valve body.

The invention discloses an assembled steel beam overall stability testing concentrated load loading device and method. The method comprises a loading conical screw, a loading plate, square steel tubes, steel strands and loading tanks, wherein two square steel tubes are in mutual lap joint in a cross manner; the loading conical screw is inserted into a lap joint part of the two square steel tubes;threads are formed in the outer wall of the loading conical screw; the square steel tubes are locked by a screw nut screwed on the threads; the loading tanks are hung at four end parts of the square steel tubes through the steel strands respectively; a steel beam to be tested is fixedly connected below the loading plate; an end part of the loading conical screw penetrates through a through hole inthe loading plate and is in contact with the steel beam to be tested. The loading device is convenient in material obtaining, simple and easy to manufacture, high in reusability and high in assembling degree, a series of problems caused by welding in a conventional loading device are avoided, the loading conical screw is convenient to replace and simple to operate, loading directions and positions are not changed, the action area of a load is reduced to the maximum extent, and an ideal state that a concentrated load is loaded to an action point is approximately achieved.

The invention discloses a clamp for cutting a magnetic material and a using method thereof, relates to the related field of magnetic materials, and aims to solve the problems that in the prior art, aclamp for fixing a neodymium magnet which is a magnetic material during cutting is simple in structure and not suitable for fixing the neodymium magnets of different sizes. The clamp is characterizedin that a fixing mechanism is mounted on a clamp fixing table and comprises a connecting plate, a connecting block is arranged in the middle of one side of the connecting plate, a first threaded rod is connected into the connecting plate and the connecting block in a penetrating mode, a first hand wheel is fixedly connected to one side of the first threaded rod, a sliding rod is arranged at the end, away from the first hand wheel, of the first threaded rod, a side connecting rod is fixedly connected to the middle of one side of the front end and one side of the rear end of the connecting block, clamping plates are arranged at the upper end and the lower end of one side of the side connecting rod, a first fixing piece is fixedly arranged on one side of the sliding rod, and a second fixing piece and a third fixing piece are fixedly arranged on the inner sides of the ends, away from the side connecting rod, of the two clamping plates.

The invention discloses a complete denture movable flap and an assembling method thereof. The complete denture movable flap comprises a cap crown portion, a buffer supporting portion and a base bracket portion. The buffer supporting portion is of a columnar structure, the bottom of which is connected to the base bracket and the upper portion of which is provided with a locking positioning end; the external structure of the cap crown portion is similar to the shape of a tooth; transverse through grooves are formed in the lower portion and the central position of the cap crown portion, and the shape of the groove is matched with that of a side face of the buffer supporting portion. The assembling method comprises the following steps: firstly, processing the cap crown portion, the buffer supporting portion and the base bracket portion through a mould; then sleeving the buffer supporting portion with the cap crown portion from the side face through a through groove; then locking or clamping the bottom of the buffer supporting portion on the base bracket; and finally, clamping or embedding the base bracket portion to a denture. The complete denture movable flap disclosed by the invention solves the problem of comfort of a patient with false teeth in chewing food and the problem of alleviating guided excessive absorption of residual alveolar bones by yawing forces of the false teeth and etc.

The invention relates to a non-capsule two-stage tyre setting drum, comprising a left side drum and a right side drum which are respectively provided with a cylinder power plant and a shrink ring, wherein the shrink rings at two side are arranged in an eudipleural manner, and a bead clamp toe opening is arranged on the periphery of each shrink ring and is an annular groove; and the shrink ring comprising multiple large sector blocks and small sector blocks which are arranged alternatively and successively and have the same amount of blocks, sector blocks are respectively connected with a slider fixedly, the slider is connected with a connecting rod connected with a shifting ring, the contact surface of the large sector block and the small sector block is provided with sealing fins which are pasted and fixed on reserved grooves on the small sector blocks, and the thickness of the sealing fin is slightly larger than the depth of the groove. In the invention, a capsule type tyre setting drum is changed into the non-capsule two-stage tyre setting drum, thus realizing tyre positioning and setting under a full mechanical proper circle state, saving capsule manufacturing expense and use cost, improving precision and quality of tyre contour machining, and especially being suitable for moulding of high performance saloon car tyres.

The invention discloses a fixing device for a smart phone. The fixing device comprises a smart phone, a sucking disc, a first connecting base, a phone clamping device, a rotating device, a first locking screw, a fixing seat, a movable column, a tension spring, a fixing sleeve, a second connecting base, a second locking screw, a second fixing seat, a locking nut, a screw, a fixing seat, a cover body, a connecting piece and an adjusting nut. According to the fixing device for the smart phone, the structure is rational and simple, the production cost is low, and installation is convenient; when being used, firstly the smart phone is placed in a clamping device shell body, the bottom of the smart phone is located in stationary jaws, meanwhile, a left jaw is pulled out leftwards to enable the smart phone to be located in the left jaw, and when the left jaw is pulled out, a right jaw can also move towards the right side simultaneously, so that the smart phone is convenient to put in; and in addition, a movable magnet block and a fixed magnet block are arranged, and the need for temporary fixation and using of the smart phone is met, so that the using requirements under different conditions of people are met.

The invention provides a concrete slump detection device and a manufacturing operation method thereof. The operation method comprises the following steps that a movable plate and a detection table aretemporarily fastened through L-shaped plug pins, the detection table is adjusted to be in a horizontal state, the inner side of a test barrel is oiled and placed on the movable plate, and the test barrel is filled with mixed concrete; in the filling process, the vibrator on the test barrel is started, vibration is conducted while filling is conducted till the test barrel is full, concrete at theopening of the test barrel is flattened, the test barrel is lifted till the bottom of the test barrel is completely separated from the top end of the concrete to be detected, and the slump of the concrete to be detected is obtained through the scale marks on the stand column. The device is simple, synchronous detection can be realized, and the test efficiency is high; and errors are small, and waste materials are easy to collect.

The invention relates to a collecting device with an optical fiber protecting function, a full-optical-fiber current transformer and a mounting method. The collecting device comprises a circuit board, an optical device, a device protecting shell and a fiber coiling box which is fixedly arranged on the outer side face of the device protecting shell and can be opened and closed. The circuit board and the optical device are fixedly arranged in the device protecting shell which is provided with a first optical fiber hole. The device protecting shell is provided with an extending part corresponding to the side where the fiber coiling box is placed. The extending part is provided with a second optical fiber hole which is provided with a pressing connector. Wholly-output optical fibers of the circuit board and the optical device extend out from the first optical fiber hole of the device protecting shell and are coiled in the fiber coiling box. Optical fibers output by the fiber coiling box are guided out from the second optical fiber hole and the pressing connector. The collecting device is simple in structure and can reduce the needed mounting space effectively, and the collecting device has the advantages of being convenient to maintain, high in safety and attractive in appearance.

The invention discloses a novel TMS (transcranial magnetic stimulation) positioning device, and the device comprises a positioning cap and a positioning cap fixing apparatus which is disposed on a bed body. The positioning cap is provided with a plurality of latitude lines, longitude lines staggered with the latitude lines and marking points, so as to carry out the locating of a head magnetic treatment position. The positioning cap is also provided with a left fixed rod and a right fixed rod. The positioning cap fixing apparatus comprises a fixed supporting plate which is fixedly connected to the bed body, and a moving plate which is installed on the fixed supporting plate. The center of the fixed supporting plate is provided with a hollow-out part, and the periphery of the fixed supporting plate forms a supporting part, wherein the shape of the hollow-out part is consistent with the shape of the moving plate. The moving plate consists of a fixed part and a heat placing part which is disposed at the fixed part. The periphery of the head placing part is provided with limiting plates, and the inner sides of the limiting plates serve as supporting parts. The limiting plates at two sides are provided with fixed rings, and the left and right fixed rods on the positioning cap are respectively fixed in the fixed rings. The device facilitates the positioning in a transcranial magnetic treatment process and the maintaining of the position of a head in a treatment process, so as to guarantee the treatment effect.

The invention relates to a gear tooth groove multi-gear machining device which comprises a base. A truss is fixedly arranged on the base, a linear motor is arranged on the truss, a machining mechanism is arranged on the linear motor, a locking mechanism is further arranged on the base, the locking mechanism is driven by a power box, the power box is arranged in the base, the locking mechanism is used for fixing a gear to be machined, and a collecting mechanism is further arranged on the outer side of the locking mechanism. According to the gear tooth groove multi-gear machining device, the gear is locked through the locking mechanism, it is guaranteed that the gear does not move, then the linear motor is controlled to move, and thus the machining mechanism is driven to move to the position corresponding to a tooth groove of the gear, so that the tooth groove is machined; after machining is completed, the linear motor controls the machining mechanism to push out the tooth groove, then the gear is controlled to rotate, and machining of tooth grooves of the gear can be achieved by repeating the process; and the machining efficiency is higher than that of traditional manual grinding, and the machining environment is improved by using the collecting mechanism to collect chippings in a cooperation mode.

The invention relates to a trolley for precast bricks. The trolley comprises a bottom plate, roller wheels and a pull handle, wherein the bottom plate is provided with a placement groove and a mounting block; the pull handle is provided with a sliding block which is internally provided with at least one electromagnet; a guide rail is internally provided with at least one metal sheet; the bottom plate is provided with a weight sensor. The trolley for the precast bricks has the advantages that the sliding block can slide on the guide rail, so that the pull handle is arranged in the placement groove in the bottom plate; the weight sensor is used for controlling the electromagnet on the sliding block to attract the metal sheet in the guide rail, so that the pull handle is effectively locked in the guide rail when the weight on the bottom plate exceeds a set value, and the safety performance is improved; the pull handle is arranged in the placement groove of the bottom plate, so that the precast bricks are not influenced by the pull handle when being placed; the precast bricks can be placed along four directions, so that the placement efficiency of the precast bricks can be increased, the safety performance can be improved during carrying, and the danger of pricking feet and the like brought to operators by overweight can be reduced.

The invention discloses a high-efficiency glass rechargeable electric drill with a pretreatment function. The high-efficiency glass rechargeable electric drill comprises a handle, a machine body, an electric drill chuck, a drill bit and a pretreatment device. The machine body and the handle are connected into an integrated structure. The electric drill chuck is mounted on the machine body. The electric drill chuck is provided with the drill bit. The electric drill chuck is hinged to the pretreatment device. The pretreatment device is composed of a moving rod, a nut, an adjusting screw, a bladeand a limiting block. One end of the moving rod is connected to the side surface of the electric drill chuck through a hinge. A nut is welded to the other end of the moving rod. The nut is in threaded connection with the adjusting screw. The adjusting screw and the moving rod are perpendicular to each other. The electric drill has the beneficial effects that pre-punching positions can be pre-cutthrough the pre-treatment device in advance, the condition of punching rupture is avoided, through a positioning support plate, the cutting accuracy can be improved, manual position errors can be prevented, through relative rotation of a stop dog, an alarm can be given out when the cutting depth reaches a predetermined value, frequent stopping for observation is avoided, and the operation efficiency is improved.

The invention discloses a power cable rack lifting device. The power cable rack lifting device comprises a base mechanism, a support mechanism and a driving mechanism, wherein the base mechanism comprises a rectangular base, and wheels positioned on the front and back sides below the base; multiple screw rods vertically penetrate through the base, are positioned on the front and back sides of thebase, and are arranged near the wheels; support pad bodies are arranged at the lower ends of the screw rods; rotating handles are arranged at the upper ends of the screw rods; the support mechanism comprises two support rods correspondingly arranged in the horizontal direction and vertically arranged above the base; the two support rods are symmetrically arranged with the center of the base as axis; the upper ends of the two support rods are connected with a connecting rod transversely arranged; multiple through holes a are vertically formed in the support rods; and the through holes a on thetwo support rods are correspondingly arranged in sequence; the driving mechanism comprises a bearing body and a base body arranged up and down, and a cylinder positioned between the base body and thebearing body. The power cable rack lifting device has the advantages of simple structure, convenience to transport and prevention of rollover.

The invention provides a clamping blade type feeding device, which belongs to the technical field of mechanical processing. It includes a feeding mechanism, a longitudinal guiding mechanism, and a horizontal guiding mechanism. The feeding support of the feeding mechanism can slide left and right and is set on the guide rod. The roller is rotatably arranged on the upper end of the pull rod and is located in the roller groove of the cam. The lower guide wheel of the longitudinal guide mechanism is rotatably arranged on the longitudinal guide support, and the upper guide wheel is rotatably arranged on the upper guide wheel bracket. The upper guide wheel The bracket can slide up and down and is set on the longitudinal guide support. The lower end of the adjustment screw rod is connected to the upper guide wheel bracket. The upper end of the adjustment screw rod is provided with an adjustment handwheel. rack. The invention ensures that the plates do not move during the feeding process, and the feeding stability is good.

The invention discloses a mobile device for article transmission and relates to the technical field of intelligent logistics. The mobile device comprises a placement platform, a running gear and a rotary supporting device, wherein the placement platform is used for accommodating articles received by the mobile device; the running gear comprises at least two driving wheels at the bottom; the at least two driving wheels control the mobile device to rotate in the first rotary direction; and the rotary supporting device is positioned between the placement platform and the running gear, is connected with the placement platform and the running gear and rotates in the direction opposite to the first rotary direction when the running gear rotates in the first rotary direction. Through the scheme,the transmission efficiency of the mobile device for article transmission is improved.

The invention discloses a liquid filling and corking integrated machine comprising a cuboid table-board, wherein one end surface of the table-board is provided with a lighting device through a universal pipe, and the other end surface of the table-board is provided with a recording plate; a driving belt driven by a driving device is arranged on a position close to the edge of a long side of the upper surface of the table-board; the upper surface of one end of the table-board is provided with a rotating column driven by a rotating motor; the side of the rotating column is provided with a plurality of air cylinders of which the piston rod ends are downward; the end surfaces of the piston rod ends of the air cylinders are provided with lifting heads; the lifting heads are provided with spray heads connected with a storage tank through hoses; the upper surface of the other end of the upper surface of the table-board is provided with a rack composed of upright posts and a cover plate; the upright posts are connected with a pressing plate through sliding sleeves; and the lower surface of the pressing plate is provided with a pressing rod. The liquid filling and corking integrated machine is simple in structure and convenient to fill and cork.

The invention discloses an embedding and fixing method for protective tubes of a deep water slope basement under variable water levels. The embedding and fixing method comprises the following steps that the telescopic protective tubes are manufactured; pay-off is conducted, and the position of a bridge pier is located; a construction platform is manufactured on floating boats and is dragged to the position of the bridge pier and fixed; pay-off is conducted on the construction platform, and the pile positions are determined; the inner protective tubes are placed through a crane and fixed to the construction platform; pebbles are thrown on the periphery of the construction platform; red soil is added in the protective tubes; a mixture of big sand and the red soil is added within the range of the construction platform; sand gravel is thrown on the upper portion of the big sand layer within the range of the construction platform; and underground concrete is poured on the upper portion of the sand gravel, and the outer protective tubes are mounted. According to the embedding and fixing method, the pebbles, the big sand and the red soil are placed in a throwing and filling manner, then the underground concrete is poured, and installing and fixing of the bottoms of the protective tubes on the slope basement are achieved; the self-developed protective tubes capable of extending and contracting freely are adopted so that the protective tubes can ascend and descend in a stepless manner to adapt to the water level changes; the protective tubes capable of extending and contracting freely and the construction platform are connected through universal wheels, and it is guaranteed that the positions of the protective tubes are fixed; and operation is facilitated, and the effect is good.

The invention relates to a hand-operated portable satellite antenna. The hand-operated portable satellite antenna mainly includes an antenna surface, a support, a feed source, a diplexer, a pitching adjusting apparatus, an orientation adjusting apparatus and a leveling apparatus, and is characterized in that the feed source is arranged on a reflection intersection point of the antenna surface; the diplexer is arranged on the feed source; the feed source is fixed on the antenna surface through a connecting rod; the pitching adjusting apparatus is arranged at the back of the antenna surface; the orientation adjusting apparatus is arranged on the support; the antenna surface is arranged on the orientation adjusting apparatus; the leveling apparatus is arranged on the orientation adjusting apparatus; when satellite communication is required, the leveling apparatus is used to determine whether the equipment is level; the orientation adjusting apparatus and the pitching adjusting apparatus are adjusted to perform satellite aiming operation; after completion of satellite aiming operation, satellite communication is performed; and after completion of satellite communication, the orientation adjusting apparatus and the pitching adjusting apparatus are adjusted to perform recovery operation. The hand-operated portable satellite antenna utilizes mechanical structure to adjust integrally, and has the advantages of being simple in operation, being high in adjusting accuracy, being light in structure and being long in service life.

The invention relates to a construction method of an air pipe in a full displacement type fresh air system. The construction method comprises the following steps: step one, reserving an exhaust pipe hole port in a building structural construction; step two, after completing the building construction structure, installing exhaust pipes and fresh air blast pipes positioned in exhaust pipe wells and an fresh air machine room; and step three, installing exhaust pipes and the fresh air blast pipes in a chamber, wherein the installation of the fresh air blast pipes further comprises the following steps: reserving a die box on the position in which a fresh air outlet is located while arranging an electric pipeline and a water supply and drainage pipeline; arranging the fresh air blast pipes in the chamber after arranging the electric pipeline and the water supply and drainage pipeline; pouring a foamed concrete cushion, and painting a cement mortar for levelling layers; installing an air supply outlet on the fresh air outlet of the fresh air blast pipes in the chamber; and filling the construction space used for installing the air distributor. The method solves the problem of long construction period of the full displacement type fresh air system, and prevents the fresh air system from being damaged from pre-burying to running.