465 results about "Elastic rods" patented technology

The invention relates to a three-dimensional continuous shape estimation method and system for a flexible robot, and the method comprises the steps: combining the arc length of the flexible robot and an unknown external load from the environment with a Cosserat elastic rod model and a Cosserat elastic string model, so as to generate a Lie algebraic coupling statics model representing tendon driving; the method comprises the following steps of: acquiring an external load, modeling the external load into Gaussian process noise to construct a prior probability model so as to obtain prior probability distribution of the flexible robot in the Lie algebraic space, and constructing a measurement noise model in the Lie algebraic space according to discrete measurement poses and measurement noise captured by a sensor so as to obtain a predicted measurement value. And fusing the prior probability distribution and the predicted measurement value to obtain posterior shape estimation of the flexible robot and the robot, and calculating continuous three-dimensional shape estimation of the flexible robot and first credibility of the continuous three-dimensional shape estimation according to the posterior shape estimation and a Gaussian process interpolation method. Therefore, accurate sensing of the continuous three-dimensional shape of the flexible robot is realized.

The invention relates to the technical field of protection devices, and particularly discloses an adjustable conveying belt protection device for furniture production, which comprises supporting legs, a cross rod is fixedly mounted at the upper ends of the supporting legs, a convex sliding rod is slidably mounted from the inside to the outer side of the cross rod, and a main connecting rod is fixedly mounted on the upper end surface of the convex sliding rod; an elastic rod in the protection assembly can buffer vibration during material conveying, a silica gel protection film layer on the outer side of a first protection arc-shaped plate makes direct contact with materials, and surface damage caused by rigid friction is avoided; an arc-shaped connecting plate is matched with an arc-shaped sliding groove, so that the protection assembly can adapt to slight deformation of the material, the protection effect on the damageable furniture plate is further improved, and the surface quality of a product is maintained; meanwhile, the telescopic protection wings are additionally arranged to fill gaps of the arc-shaped plates, the buffer extension sections can be adjusted to change the protection radius, the protection film can be spliced and extended to expand the coverage width, and the protection range is expanded from the three dimensions of gap filling, radius adjustment and width expansion.

The invention provides an underwater maintenance intelligent robot which is used for solving the problems that in the prior art, passive maintenance efficiency is low, cost is high, and safety risks exist. Comprising a frame main body, a cutting and recycling module and a washing module, the frame main body comprises a first main body, a second main body with the same structure as the first main body, and a self-adaptive connecting part for connecting the first main body with the second main body; the cutting and recycling module comprises a mounting seat fixedly connected with one side of the first main body, a sheath, a plurality of support arms, an elastic rod, a pulling power part used for pulling the sheath to bend and located in the circumferential direction of the anchor chain, a flexible chain holding part, a cutting part used for cutting a fishing net wound on the anchor chain, and a recycling part used for recycling and storing the fishing net cut by the cutting part; the washing module comprises a first washing part and a second washing part, and the first washing part and the second washing part are installed on the two sides of the second main body correspondingly and arranged in a staggered mode. The robot is high in operation efficiency, low in cost and capable of improving safety.

The utility model relates to a handle rocker device and a game handle. The handle rocker device comprises a rod cap, a rod cover and an elastic rod set which are sequentially arranged in the axial direction. The elastic rod group comprises an outer rod which is fixed relative to the position of the rod cover, an inner rod which is movably matched with the outer rod, and an elastic element which abuts against the inner rod; the rod cap is provided with an abutting portion abutting against the inner rod, and the rod cap is detachably connected with the rod cover so that the rod cap can be selectively replaced, and the deformation amount of the elastic element can be adjusted through the abutting portion. The gamepad rocker device is provided with the rod cap detachably connected with the rod cover, the elastic acting force of the elastic rod set in the gamepad rocker device can be directly changed by replacing the rod cap, and therefore the damping hand feeling of the gamepad rocker device in the gamepad can be directly and rapidly adjusted, and the rod cap and the rod cover are of a fixed structure after being connected. In the high-frequency operation process, the damping hand feeling of the gamepad can be kept stable.

The invention discloses a method for picking and sorting quartz wafers in a wafer arrangement station, and relates to the technical field of quartz wafer production and processing equipment. A device used in the method comprises a picking driving assembly, a universal adjusting assembly and a multi-linkage picking machine head, the multi-linkage picking machine head comprises a disc-shaped machine shell, a plurality of picking mechanisms are evenly installed in the machine shell in the circumferential direction, and each picking mechanism can independently complete adsorption, maintaining and releasing actions on a quartz wafer. The picking mechanism comprises a negative-pressure adsorption assembly, a mechanical grabbing assembly and a synchronous starting structure, the negative-pressure adsorption assembly is composed of an air bag, a clamping part and an adsorption pipe, the mechanical grabbing assembly comprises an elastic grabbing claw composed of a plurality of elastic rods, and other quartz wafers around the target quartz wafer are pressed in the initial stage of picking for expanding so as to avoid mistaken adsorption; the target quartz wafer is grabbed during gathering in the later picking period, so that double picking guarantee is achieved; the elastic grabbing claw is provided with an elastic net, so that normal stress is effectively relieved, and quartz wafers are prevented from cracking.

The utility model relates to the technical field of quick-freezing devices, in particular to a tunnel-type quick-freezing device for quick-frozen food, which adopts a tunnel-type quick-freezing structure that a conveying belt is matched with a screen plate to realize reciprocating conveying of food, simplifies a conveying structure and reduces adhesion and damage of the food. Comprising a quick-freezing box, a driving roller, a driven roller, a conveying belt and a refrigerating system, the quick-freezing device further comprises a plurality of separating and pushing assemblies, a net plate and an ice receiving mechanism, the separating and pushing assemblies are evenly installed on the outer surface of the conveying belt, each separating and pushing assembly is composed of a plurality of evenly-arranged elastic rods, the separating and pushing assemblies are perpendicular to the conveying direction of the conveying belt, and the net plate is installed in a quick-freezing cavity of the quick-freezing box. The end of the screen extends out of the quick-freezing box through the inlet and outlet, the screen is located below the conveying belt, the ends of the multiple separating and pushing assemblies scrape the upper surface of the screen, and the ice receiving mechanism is installed in the quick-freezing cavity, located below the screen and used for collecting crushed ice.

The application relates to the field of heat exchangers, and discloses an energy-saving marine plate heat exchanger which comprises a shock resistance assembly, an adjusting assembly, a toughness assembly, a heat exchange assembly, heat exchange plates and a dehumidification assembly. When the ship shakes, the track can slightly shift along with the rubber pad through the installation of the adjusting assembly and the toughness assembly; when the electric motor inside the runner starts, the twisted rope is wound or released under the rotating action of the runner, the elastic rod is deformed, the bending curvature of the elastic rod is changed, the compression amount of the spring is changed, the overall rigidity of the toughness assembly is adjusted, when the moving block moves along the track, the punching block is synchronously displaced through the rigid connection, the X-shaped intersection angle of the two elastic rods is changed, the pre-tightening force of the spring is adjusted, a soft-hard adjustable shock resistance support structure is realized, and the problems of damage and reduced heat exchange efficiency of the heat exchanger caused by shaking are solved.

The invention belongs to the technical field of photovoltaic panel cleaning, and discloses a desert photovoltaic panel cleaning robot which comprises a robot body and a crawler belt arranged on the robot body, and further comprises a first cleaning module and a second cleaning module which are arranged at the front end and the rear end of the robot body correspondingly. And cleaning cloth is wound between the driving mechanism and the guide roller for driving connection, and an elastic rod and a pressing plate are further arranged in the second cleaning module and used for supporting the cleaning cloth downwards. Dust and stubborn adhesion stains on the photovoltaic panel are brushed away through the spiral brush of the first cleaning module, and the second cleaning module is in pressing contact with the surface of the photovoltaic panel through the cleaning cloth wound on the guide rollers. And the self-cleaning mechanism is further arranged to wipe the cleaning cloth, self-cleaning of the cleaning cloth is achieved, and the work cycle of the cleaning cloth is prolonged. And the first cleaning module and the second cleaning module work cooperatively, the sand removing effect is good, and the cleaning efficiency is high.

The utility model provides a multifunctional lock bolt, which relates to the technical field of bolts, and comprises a head body, the bottom end of the head body is fixedly connected with a screw rod, the outer surface of the screw rod is provided with a fastening structure, the fastening structure comprises an inserting rod, one side of the inserting rod is fixedly connected with an L-shaped block, and the L-shaped block is fixedly connected with the bottom end of the head body. An L-shaped block is fixedly connected to the top end of the head body, an elastic piece is fixedly connected to the top end of the L-shaped block, a circular groove is formed in the screw rod, two protruding rods are fixedly connected to one side of the elastic rod, and a clamping groove is formed in the top end of the head body. The two elastic rods in the circular grooves are extruded by the surfaces of the inserting rods, so that the convex rods on one sides of the elastic rods extrude the rubber strips, the rubber strips expand outwards to fill the joints of the outer surfaces of the screws and the parts or the nuts, and the screws and the parts or the nuts are fastened. And connection looseness caused by shaking after the screw is connected with a part or a nut is avoided as far as possible. And the stability when the bolt is used is improved.

The invention relates to a repeatable unfolding and folding mechanism for a large solar wing, which aims to solve the problem that the requirements of the large solar wing on high rigidity, high reliability and repeatable unfolding and folding are difficult to meet in the prior art, and comprises a motor, two double-layer thin-wall elastic rod unfolding and folding mechanisms, a solar wing assembly and a gear transmission assembly, the two double-layer thin-wall elastic rod unfolding and folding mechanisms are arranged in parallel, the solar wing assembly is located between the two double-layer thin-wall elastic rod unfolding and folding mechanisms, and the motor drives the two double-layer thin-wall elastic rod unfolding and folding mechanisms to be unfolded or folded synchronously through the gear transmission assembly. The solar wing assembly is unfolded or folded through the two double-layer thin-wall elastic rod unfolding and folding mechanisms. The invention provides an unfolding and folding mechanism which is light in weight, simple in structure, large in unfolding and folding ratio, higher in rigidity and capable of being repeatedly unfolded and folded by utilizing a motor to drive a wound and folded double-layer thin-wall elastic rod to stretch out to recover rod-shaped unfolding and support a solar wing, and relates to the technical field of spaceflight.

The invention relates to the technical field of conveying devices, and discloses an intelligent suspension conveying device for waterproof polyester fabric production, which comprises a support frame, the inner wall of the support frame is rotatably connected with an output shaft, the circumferential surface of the output shaft is fixedly connected with a delivery wheel, and the inner wall of the delivery wheel is in transmission connection with a chain. The front portion of the chain is fixedly connected with a fixing block, the bottom of the fixing block is fixedly connected with a fixing frame, the inner wall of the fixing frame is rotationally connected with a rotating rod through a torsional spring, and the inner wall of the rotating rod is slidably connected with a first elastic rod through a spring. Damage caused by cloth displacement is effectively avoided, the cloth is prevented from falling off accidentally in the conveying process, safety accidents caused by the fact that the cloth winds equipment or falls to a production area are avoided, and stable and safe operation guarantee is provided for intelligent automatic production.

The utility model provides a roadway isolation warning device for coal mining, which comprises a baffle plate, a back plate is arranged on the rear side of the baffle plate, and the baffle plate and the back plate are connected through a plurality of elastic rods; a warning reflective sticker is attached to the front side of the baffle, a plurality of red lamp beads are further arranged on the front side of the baffle, and an infrared sensor and an audible and visual alarm are further arranged on the front side of the baffle. A plurality of supports are arranged on one side of the baffle, inserting rods are arranged on the supports, a plurality of positioning frames corresponding to the supports are arranged on the other side of the baffle, and inserting holes corresponding to the inserting rods are formed in the positioning frames. A mounting frame is arranged on the rear side of the back plate, and supporting legs are hinged to the mounting frame. According to the roadway isolation warning device for coal mining, due to the structural design, a plurality of isolation warning devices can be conveniently disassembled and assembled, and the roadway isolation warning device is ingenious and practical in structural design and rich in function.

A trunking lamp with multiple installation modes comprises glasses legs, elastic rods and a glasses frame. Stop blocks are arranged on the glasses legs; the elastic rods are mounted on the glasses legs and correspond to the stop blocks, and movable gaps are formed between the elastic rods and the stop blocks; pile heads are mounted on the glasses frame and are hinged with elastic rods, so that the glasses legs can be folded or expanded; wherein the elastic rods can be driven to deform at the movable gaps by pulling the completely expanded glasses legs, and the stop blocks abut against the deformed elastic rods; compared with the prior art, according to the structure, outward bouncing is realized by designing the elastic rods, so that the glasses legs can be made of conventional materials, the overall cost is effectively reduced, the deformation amplitude of the elastic rods is limited by designing the stop blocks, the elastic rods are prevented from losing the outward bouncing function due to excessive expansion, and the overall service life is prolonged.

The utility model relates to the field of building construction equipment, and discloses a splicing fence for building construction, which comprises a supporting column, an auxiliary base plate is fixedly mounted at the bottom of the rear surface of the supporting column, a splicing component is arranged at a groove of the right surface of the supporting column, and a protective component is arranged on the front surface of the supporting column. The protection assembly comprises an inserting block, a positioning block is fixedly connected to the axis of the front surface of the supporting column, elastic rods are fixedly connected to grooves in the left surface and the right surface of the inserting block, and a telescopic rod is fixedly connected to the axis of the front surface of the inserting block. According to the utility model, through the mutual cooperation of the protection plate, the plugging block, the positioning block and other parts in the protection assembly, the installation convenience of the protection assembly is improved, the phenomenon that the equipment is directly damaged due to the impact effect is avoided, the protection performance and the protection range of the equipment are improved, and the protection effect of the equipment is enhanced.

This utility model discloses a coil assembly for an evaporator, including a mounting base and a coil component. The coil component is disposed on the front side of the mounting base, and a support rod is fixedly connected to the front side of the mounting base. A lower support base is fixedly connected to the upper end of the support rod, and an upper support base is in contact with the upper end of the lower support base. A bolt is rotatably connected inside the upper support base, and the bolt and the lower support base are connected by threads. This utility model, through the design of components such as the upper support base, lower support base, bolt, slot, and elastic rod, allows the coil component to be installed by placing it between the lower and upper support bases and locking the upper and lower support bases with bolts. The elastic rod can be engaged in the slot opened in the upper support base to further strengthen the connection between the upper and lower support bases and prevent the connection between the upper and lower support bases from becoming unstable due to bolt loosening.

The utility model relates to the technical field of automobile production equipment, in particular to an automatic nail feeding device for an automobile production line. According to the technical scheme, the automatic nail feeding device comprises a stepped nail feeding machine, a plurality of movable stepped plates and a plurality of fixed stepped plates which are arranged in the stepped nail feeding machine in a staggered mode and further comprises a feeding bin formed in the stepped nail feeding machine, and an adjusting baffle is slidably connected to the interior of the feeding bin; and a step mechanism is arranged at one end, close to the movable step plate and the fixed step plate, of the adjusting baffle. The adjusting baffle, the telescopic mechanism and the sliding mechanism are matched, the hand-cranking handle is rotated to drive the screw rod to drive the adjusting baffle to move horizontally, the step plate is clamped through the step mechanism, the telescopic elastic rod abuts against the step plate, and the using length of the step plate can be adjusted according to the length of a screw. In this way, the problem that a fixed-length step plate is poor in adaptability is solved, long screws are prevented from being stuck, short screws are prevented from laterally turning and sliding out, conveying interruption is reduced, and the screw conveying efficiency is improved.

This invention discloses a load testing device and method for high strain rate tensile testing. The device includes an elastic rod (1), strain gauges (2), a tensile testing machine (3), a clamp connector (4), and a data acquisition unit (5). One end of the elastic rod is fixed to the lower crossbeam (31) of the tensile testing machine, and one end of the specimen (6) is connected to the other end of the elastic rod through the clamp connector. The other end of the specimen is fixed to the upper crossbeam (32) of the tensile testing machine. Several strain gauges are spaced apart on the elastic rod, and the output ends of the strain gauges are connected to the data acquisition unit. Each strain gauge independently transmits its stress signal to the data acquisition unit. This invention can obtain ideal and reliable dynamic mechanical property data by decomposing the transmission and superposition of stress waves during material tensile testing at high strain rates, reducing the oscillation effect of load signals, obtaining the true stress loaded on the sample, and improving the accuracy of test results.

The invention discloses a platinum resistor temperature transmitter, relates to the field of transmitters, and aims at improving the temperature measurement accuracy and reducing the installation difficulty by realizing angle adjustment and adapting to an uneven environment. The bottom of the gauge outfit is connected with a mounting disc which is provided with flange mounting holes and connected with a hose protection cylinder, the bottom of the hose protection cylinder is connected with a protection sleeve through a connecting disc, and a conduit tube in the through space is connected with the gauge outfit and a sensor connector. The elastic rod, the boss, the spring and the hose with the coating in the hose protection cylinder are matched, the take-up device on the installation disc controls the connection line in a linkage mode through the controller, and compared with the prior art, the transmitter can adapt to complex installation environments such as inclination and limited space, can accurately align at a target temperature measurement point, reduces installation rework and equipment cost, and has practicability and economical efficiency.

The application relates to a three-dimensional continuous shape estimation method and system of a flexible robot, wherein the method combines the arc length of the flexible robot and unknown external loads from the environment with a Cosserat elastic rod model and a Cosserat elastic string model to generate a Lie algebra coupled statics model representing a tendon-driven model, models the external loads as Gaussian process noise to construct a prior probability model, obtains a prior probability distribution of the flexible robot in a Lie algebra space, constructs a measurement noise model in the Lie algebra space according to discrete measurement poses captured by a sensor and measurement noise, obtains a predicted measurement value, fuses the prior probability distribution and the predicted measurement value to obtain a posterior shape estimation of the flexible robot, and calculates a continuous three-dimensional shape estimation of the flexible robot and a first credibility of the continuous three-dimensional shape estimation according to the posterior shape estimation and a Gaussian process interpolation method. Therefore, the application realizes accurate perception of the continuous three-dimensional shape of the flexible robot.

The utility model discloses a limited space all-in-one gas detection matching assembly, and relates to the technical field of limited space gas detection. The fixing disc is arranged in the airflow channel inside the installation pipe head, the axis installation hole is formed in the fixing disc, the clamping section of the PVC elastic rod is installed at the axis installation hole of the fixing disc in a limited mode, the airflow through holes are formed in the fixing disc, airflow circulation is facilitated, meanwhile, the multiple sets of curved surface protruding parts are arranged on the PVC elastic rod, and therefore the fixing disc can be used for fixing the PVC elastic rod. According to the four-in-one gas detector, the curved-surface convex part is arranged on the curved-surface convex part, the bent gas guide pipe is internally supported, and the inward-retracting curved surface and the flow-increasing channel are arranged on the curved-surface convex part, so that the flow sectional area of gas flow is ensured while the gas guide pipe is supported, and the real-time dynamic gas detection efficiency of the four-in-one gas detector is ensured; and a roller structure is movably embedded in the position, in contact with the inner wall of the gas guide tube, of the curved-surface lug boss, so that the'hard 'friction acting force caused by non-directional deformation of the gas guide tube when a technician holds the four-in-one gas detector to use the four-in-one gas detector by hand is reduced.

The utility model relates to the technical field of hat umbrellas, and discloses a hat umbrella with a multi-strand fixing structure and stable wearing, which comprises a hat umbrella and a connecting component, an elastic rod is fixed at the bottom of the hat umbrella, an elastic band is fixedly connected at the bottom of the elastic rod, and a fixing component is arranged at the bottom of the elastic band. The connecting assembly is arranged at the fixed connecting bottom, the fixing assembly comprises first fixing belts, second fixing belts and a connecting pad, the tops of the two first fixing belts are fixedly connected to the two sides of the elastic belt, and the tops of the two second fixing belts are fixedly connected to the two sides of the elastic belt. When a user wears the hat umbrella, the elastic band is placed on the head top to fix the head circumference elastically, and then the two ends of the first fixing band and the two ends of the second fixing band are used for fixing and enhancing connection. The connecting pad is connected, the ear position is reserved for preventing tightening, the adjusting belt slides on the outer wall of the first buckle to be tightened for preventing falling, finally, the male buckle and the female buckle are clamped, the buckle is connected to complete wearing, comfort and stability are achieved, and wearing comfort and structural stability are improved.

The utility model relates to the technical field of patch cords, and discloses an anti-fracture patch cord for a case, which comprises a patch cord main body, protection mechanisms are fixedly connected to the peripheries of the two ends of the patch cord main body, a binding mechanism is sleeved on the periphery of the middle part of the patch cord main body, and each protection mechanism comprises a protection cover. The device comprises a protective cover, first open grooves are evenly formed in the periphery of the middle of the protective cover, rubber gaskets are evenly distributed in the first open grooves, second open grooves are formed in the two ends of the periphery of the protective cover, elastic rods are evenly distributed in the second open grooves, and rubber rings are fixedly connected into the protective cover. According to the anti-fracture patch cord for the case, the protection mechanisms are arranged on the periphery of the connection position of the data line and the adapter, so that the connection position of the data line and the adapter is protected, and the situation that the data line is fractured at the connection position of the adapter when a host or a display is moved is effectively prevented.

The invention relates to the technical field of dust removers, and discloses an anti-hardening honeycomb type bag-type dust remover structure for chemical fertilizer dust and a dust removal technology.The anti-hardening honeycomb type bag-type dust remover structure for chemical fertilizer dust comprises a machine box and further comprises a cleaning mechanism arranged in the machine box; the cleaning mechanism comprises a plurality of fixing rings arranged on the partition plate of the case, filter bags arranged at the edges of the bottoms of the fixing rings, a vertical rod arranged in the middle of the bottoms of the fixing rings, a plurality of supports arranged on the top of the side wall of the vertical rod in an annular array mode, elastic rods arranged on the sides, away from the vertical rod, of the supports, and pull rings arranged in the middles of the elastic rods; the lifting holes are formed in the vertical rods, the lifting rods are arranged on the inner walls of the lifting holes, the bent rods are arranged at the bottoms of the lifting rods in an annular array mode, and the first connecting frames are jointly arranged at the tops of the multiple lifting rods. And by arranging the cleaning mechanism, different dust removal modes are integrated, and different types of dust blocks can be cleaned in a targeted mode.

The invention provides a torsion bar spring adjusting arm with a locking mechanism, which comprises a frame, one side of the frame is fixedly connected with a mounting arm, the outer surface of the frame is fixedly connected with a rotating end, one side of the rotating end is movably connected with a stabilizing rod, the top of the rotating end is movably connected with an elastic rod, and two sides of the elastic rod are fixedly connected with fixing blocks. A limiting rail is fixedly connected to one side of the outer surface of the frame, a plurality of rotating plates are unfolded in order, and a spring is fixed by a locking block, so that the rigidity is stably maintained, suspension parameter fluctuation caused by too early or too late locking is avoided, the locking position is accurate through cooperation of the rotating plates, springback and displacement under load or vibration can be effectively restrained, and the stability of the suspension is improved. The stability and posture consistency of the vehicle under the constant working condition are maintained, the guiding and supporting structure ensures that the action is coherent and reliable, impact and abrasion are reduced, the overall durability is improved, the service life is prolonged, and therefore the stability and adaptability of the suspension system are remarkably improved in the scene where bearing or posture needs to be kept for a long time.

The utility model relates to an ear clip type Bluetooth earphone, which comprises an earphone main body and a disassembly assembly, the earphone main body comprises an in-ear piece, an ear clip piece and an elastic rod arranged between the in-ear piece and the ear clip piece, and the disassembly assembly comprises a first rotary buckle arranged at the end parts of the in-ear piece and the ear clip piece and second rotary buckles arranged at the two ends of the elastic rod. When the earphone main body needs to be cleaned and maintained, one hand holds the in-ear piece or the ear clamping piece, the other hand pinches the elastic rod, the first rotary buckle rotates in the rotary groove by rotating the in-ear piece or the ear clamping piece, and the first rotary buckle rotates in the rotary groove, so that the earphone main body can be cleaned and maintained. The relative positions of the first rotary buckle and the second rotary buckle are controlled, separation of the in-ear piece and the elastic rod or separation of the ear clamping piece and the elastic rod is achieved, maintenance and cleaning of elements are facilitated, efficiency is improved, and practicability is good.

The utility model relates to the technical field of electric power voltage stabilizers, and discloses a three-phase voltage stabilization controller which comprises a frame, a drawing installation mechanism is arranged in the frame and comprises a fixing frame, a sliding block, a sliding rod, an extension spring and an elastic rod, and the right side of the fixing frame is fixedly connected with the left side of the frame. According to the three-phase voltage stabilization controller, through the use of the fixing frame and the sliding block, the position, abutting against an electric appliance element, of the upper surface of the sliding block can be pulled out and pulled into the frame, so that the electric appliance element can be placed and installed more conveniently, and through the use of a sliding rod, an extension spring, an elastic rod, an abutting plate and a pulling frame, the electric appliance element can be placed and installed more conveniently. According to the electric appliance element installation device, the position of an electric appliance element can be limited, the sliding block can be pulled out of the outer surface of the fixing frame during continuous pulling, the effect of convenient pulling out is achieved, the problem of how to place and install the electric appliance element more conveniently is solved, and the effect of installing the electric appliance element in reality can be better.

The utility model discloses a plant essential oil extraction device for cosmetic production, which comprises an extraction cylinder, a cylinder cover is arranged at the upper end of the extraction cylinder, and a feeding component for processing raw materials is arranged in the cylinder cover; a screen is fixedly connected to the upper end of the feed hopper, a sealing cover covers the upper end of the feed hopper, a water inlet pipe and a water outlet pipe are distributed and fixedly connected to the side wall of the extraction barrel, and a heating shell is fixedly connected to the interior of the extraction barrel. A motor drives the cutting frame to rotate through the square block, the cutting frame crushes raw materials at the upper end of a screen, the screen screens the crushed raw materials, when the cutting frame rotates, a rotating rod is driven to rotate, the rotating rod is in contact with an elastic rod, and the elastic rod shakes to drive the screen to vibrate; the screen mesh is prevented from being blocked.

The application relates to the field of vehicle-mounted communication, in particular to a vehicle-mounted anti-shock communication interference device which comprises a base, a lower shell, an upper shell, a fixing assembly and a locking assembly. The lower shell is abutted on the base; a plurality of through holes are arranged on the side wall of the lower shell; the upper shell is arranged above the upper shell; an L-shaped limiting ring is fixed on the inner side wall of the upper shell; when the limiting ring is driven to move downward by the upper shell, the limiting ring drives the elastic rod to deform inwardly, the limiting ring passes through the J-shaped hook, the J-shaped hook is reset, the hooking gap is above the bent rod, the locking assembly provides upward thrust to the upper shell, the bent rod and the limiting ring are engaged, the upper shell and the lower shell are fixed, the use of the nut is avoided, and the influence of humid air on the installation and dismounting of the shell can be avoided.

The application discloses a surface treatment device for a wooden workbench of a machine tool, which comprises a mounting column, an installation groove is formed in the bottom of the mounting column, and the installation groove is a cylindrical groove; a fixing assembly is installed on the top of the installation groove, the fixing assembly comprises a limiting plate, a fixing block and a threaded peg, one side of the limiting plate is connected with the top of the installation groove through an elastic assembly, and the threaded peg is fixedly connected in the center of the fixing block; a hand holding assembly is symmetrically arranged on the two sides of the mounting column, the hand holding assembly comprises a side plate, an elastic rod, a supporting elastic pipe and a fixing rod, the bottom of the side plate is rotationally connected with the mounting column through a rotating shaft, two arc-shaped sliding openings are symmetrically formed in the two sides of the mounting column, and one end of the elastic rod is fixedly connected to the inner side of the side plate. The application has the advantages of simple structure, one-hand operation, ensured melting efficiency of the wax block, released another hand for smearing, and improved surface treatment efficiency.