125results about How to "Guaranteed support effect" patented technology

The utility model relates to tower crane technical field, especially safety protection type tower crane, including main body stand, be equipped with a plurality of support frame and with the installation block that is connected to it on main body stand, a plurality of protective net, protective net is connected with the installation block through second mounting bolt, a plurality of telescopic subassembly, telescopic subassembly both ends are connected with the installation block and support plate respectively through connecting component, and support plate bottom end is connected with fixed cone, a plurality of building link frame, and building link frame includes spiral groove disc and cross -bracing pull frame, spiral groove disc is connected support frame through carousel, and cross -bracing pull frame is connected spiral groove disc through plug connector, the utility model discloses through the setting of telescopic subassembly and installation block, can four -sided support to tower crane body, and the ability of anti -tilting is strengthened, through the setting of protective net, can undertake the component such as falling, effectively reduce the risk of high -altitude falling object to hurt the equipment and the personnel below, utilize the overall structure of building to share horizontal load, and the stability is strengthened.

This application relates to the field of fixture technology, specifically to a pin insertion fixture. This application aims to solve the problem of low pin positioning accuracy. An embodiment of this application provides a pin insertion fixture, including a base, a first positioning plate, and a second positioning plate. The base is used to fix the device to be inserted (pin). The first positioning plate faces the base and has at least one first positioning hole configured to align with a pad on the device to be inserted. The second positioning plate is located on the side of the first positioning plate opposite to the base and has at least one second positioning hole. The first and second positioning holes are used to accommodate the same pin. The first positioning hole can perform a primary positioning of the pin, and the second positioning hole can perform a secondary positioning, achieving secondary positioning. The improved coaxiality and positional accuracy of the first and second positioning holes reduce the impact of errors between the first or second positioning hole and the pad on the pin, thereby improving the pin positioning accuracy.

This application relates to a continuous positive airway pressure (CPAP) device and a method for controlling ventilation pressure. The minimum operating pressure is determined by acquiring a preset treatment pressure and a target pressure drop. The device monitors the patient's respiratory phase transitions in real time and employs different pressure regulation strategies for the inspiratory and expiratory phases. During the inspiratory phase, the ventilation pressure is smoothly adjusted from the preset treatment pressure to the minimum operating pressure and maintained to reduce inspiratory effort. During the expiratory phase, the ventilation pressure is gradually increased from the minimum operating pressure to ensure that the ventilation pressure returns to the preset treatment pressure at the end of the expiratory phase, maintaining airway support and avoiding the risks of airway closure and central apnea. This application improves patient comfort during CPAP therapy, enhances treatment compliance, and simultaneously ensures airway support while reducing the risks of airway closure and central apnea.

The invention provides a magnetically levitated train undercarriage control system based on array type combination valves, and belongs to the technical field of rail transit vehicle brake control. The system is applied to a maglev train in a high-intensity magnetic field environment and comprises an oil source device; the at least one undercarriage control device is mounted on a suspension frame of the maglev train, and each undercarriage control device comprises at least one undercarriage actuating cylinder used for driving the extension or retraction of the undercarriage; the array type combination valve is connected between the oil source device and the undercarriage actuating cylinder, the array type combination valve is composed of a plurality of switch type electromagnetic valves, and pressure oil is controlled to enter or be discharged out of different working cavities of the undercarriage actuating cylinder by controlling the combination of the power-on state and the power-off state of the switch type electromagnetic valves, so that extension or retraction of the undercarriage is achieved. The invention aims to solve the technical problem that the maintenance period is short due to the fact that an existing hydraulic control system for the undercarriage of the magnetically levitated train is poor in reliability and prone to inner leakage and clamping stagnation in a high-intensity magnetic field environment.

This utility model relates to the field of shipbuilding and provides a giant cover plate structure and support assembly for VLEC gas carriers. The cover plate structure includes a cover plate section and a support section. The support assembly includes ground supports that cooperate with the two support sections respectively and support frames that cooperate with the cover plate section. By placing a pair of channel steels on the ground in the construction area and fixing the pair of channel steels with flat steel, the stability and accuracy of the support are ensured. The pair of channel steels clamp the two bottom sides of the support section of the cover plate structure to achieve positioning and limitation, preventing deformation during placement. Two rows of symmetrical support frames support the cover plate section of the cover plate structure, preventing deformation of the pot-shaped cover plate structure during placement, ensuring the precision control of the giant section. The ground supports and support frames can be reused, saving construction costs.

The application belongs to the technical field of medical devices, and discloses an oral cavity orthodontic mouth gag, which comprises a mouth gag body and a saliva suction pipe, the mouth gag body is provided with an upper lip supporting part, the upper lip supporting part is provided with a groove, the inner side of the groove is provided with a flexible adjusting bag, the upper lip supporting part is connected with an adjusting assembly, the adjusting assembly comprises an outer cylinder and a piston assembly, the outer cylinder is communicated with the flexible adjusting bag through a conduit, the conduit arranged at both ends of the outer cylinder is provided with a one-way valve, the mouth gag body is connected with a cheek opening part through an adjusting part, the cheek supporting part is connected with a clamping part, and the mouth gag body is further connected with a sleeve ring which is arranged in cooperation with the saliva suction pipe. The application adjusts the inflation state of the flexible adjusting bag on the inner side of the upper lip supporting part by means of the adjusting assembly, so as to adjust different opening degrees and improve the comfort when the upper lip is opened; the connecting position and angle of the cheek opening part and the mouth gag body are adjusted, so as to adjust the opening position and expose the visual field of the corresponding position.

The invention provides an electronic force measuring device convenient and rapid in statistics, and relates to the technical field of sports force measurement, the electronic force measuring device comprises a combined outer box, the right side of the combined outer box is a rotary door opening structure; a vertical groove is formed in the middle of the front side of the combined outer box, a first lead screw is rotationally arranged in the vertical groove, a first motor used for driving the first lead screw is fixedly arranged above the front side in the combined outer box, and the first motor and the first lead screw are in transmission connection with a bevel gear set; the lifting seat is in threaded connection with the first lead screw; the lifting and falling seat is arranged, the function of adjusting the force measuring height is provided, the lifting and falling seat can be driven to move up and down for adjustment through thread transmission, threads have self-locking performance and can be automatically fixed, the handheld rod can provide the push-pull function, the sliding frame can be driven to move integrally by pulling the handheld rod with force, the pulling force can be measured, and the sliding frame can be pushed forwards in the reverse direction. The problem that an existing device lacks a height adjusting and force measuring function is solved.

The present application relates to adjustable support frame, underground support structure and construction method, and relates to the field of support structure, wherein the adjustable support frame comprises a main support assembly and a plurality of detection support assemblies; the main support assembly is arranged in a tunnel or a pipe culvert and comprises a top support frame and a side support frame. By arranging the adjustable support frame composed of the main support assembly and the detection support assembly, the support gap between the main support assembly and the inner wall of the structure with a certain limited space such as a tunnel or a pipe culvert can be detected, and supplementary support can be provided to ensure that the adjustable support frame completely supports the inside of the structure with a certain limited space such as a tunnel or a pipe culvert, and cooperate with the support base assembly to improve the support strength and stability of the adjustable support frame, reduce hidden dangers, and cooperate with corresponding equipment to also provide early warning for the pressure condition of the adjustable support frame, reduce the situation that the staff is trapped due to deformation damage caused by excessive pressure of the adjustable support frame, and the like.

The invention relates to the technical field of supporting devices for ship components, and discloses a supporting device for berthing components, which comprises a wharf, an embedded plate is embedded in the outer wall of the wharf, and a movable groove is formed in the outer wall of the embedded plate. According to the supporting device for the berthing component, through the arrangement of a wharf, an embedded plate, a stress plate, a sliding rod, a positioning hole, a first rotating rod, a second rotating rod, a first spring, a second spring and a limiting ring structure, in the using process of the device, the sliding rod drives a transverse rod to move together in the mode that the stress plate makes contact with a ship body; a spring I is used for counteracting impact force, and a straight rod is matched with a positioning hole to limit a stress plate, so that the ship body and the stress plate are prevented from continuously and transversely moving to be in contact with a wharf, the influence of stress on a base layer of the wharf is reduced, and the supporting effect of the device on the ship body during berthing can also be guaranteed; and the supporting effect of the device is further improved.

The utility model discloses a kind of clamps for mobile phone mainboard maintenance, it is through reasonable structure design, effectively promote the stability and operation convenience of mobile phone mainboard in maintenance process;The machining table of the clamp is rotationally arranged on annular support seat, can rotate at multiple angles, facilitate maintenance operation;First clamping block and second clamping block are equipped on machining table, cooperate driving assembly to realize accurate clamping to mobile phone mainboard, while supporting table provides bottom support, avoid mainboard to be damaged when being maintained.Limiting structure can fix the angle of machining table, ensure maintenance stability.In addition, the design of annular block and ball reduces rotation friction, so that machining table rotates more smoothly;The clamp compact structure, easy to operate, strong practicality, can effectively meet the demand of mobile phone mainboard maintenance.

The invention discloses a safe continuous drilling device for metal mine mining, and relates to the field of mining or quarrying, the safe continuous drilling device comprises a mobile vehicle body, the top of the mobile vehicle body is provided with a support shell, the top of the support shell is provided with an upper support mechanism, and a lower mobile mechanism is arranged between the upper support mechanism and the support shell; the lower moving mechanism comprises a plurality of lower supporting legs arranged on the two sides of the moving vehicle body, lower connecting rods are arranged at the tops of the lower supporting legs, interaction plates are arranged at the bottoms of the lower connecting rods in a transverse extending mode, and bent faces are arranged at the tail ends of the sides, away from the lower connecting rods, of the interaction plates; the upper supporting mechanism comprises upper supporting legs arranged on the outer sides of the multiple lower supporting legs, multiple upper connecting rods are arranged at the tops of the multiple upper supporting legs, and fixing main plates are arranged between the multiple upper connecting rods in an inserted mode. The stable frame is formed by the lower moving mechanism and the upper supporting mechanism and synchronously moves along with the moving vehicle body, so that collapse during drilling is avoided.

The utility model provides a superconducting cable skeleton and a superconducting cable, the superconducting cable skeleton comprises at least one layer of spiral skeleton, at least the outermost layer of spiral skeleton is formed by spirally twisting a strip-shaped metal plate, and at least one layer of spiral skeleton is provided with a cooling medium channel which spirally penetrates through the spiral skeleton along the spiral direction. The spiral framework can guarantee certain supporting performance, has sufficient flexibility and elasticity, and can be repeatedly bent. When the superconducting cable framework needs to be bent, the gaps on the spiral framework can provide enough bending space, and then the requirement for high flexibility is met. Meanwhile, at least one layer of spiral framework is provided with a cooling medium channel which spirally penetrates through the spiral framework in the spiral direction, and a cooling medium is introduced to provide stable cold conduction for the superconducting tape. After the superconducting tape is wound outside the superconducting cable skeleton, internal cold conduction is not affected, external cold conduction is not needed, and the compactness and the application environment applicability of the cable are improved.

The invention discloses a prefabricated pier self-stabilization temporary supporting device suitable for rapid construction. The prefabricated pier self-stabilization temporary supporting device comprises a base, a supporting frame and an adjusting mechanism. The base is an annular base; the multiple sets of supporting frames are arranged on the base in the circumferential direction. The adjusting mechanism comprises sliding blocks and a driving part, the multiple sliding blocks are arranged in the circumferential direction, movably arranged on the base and correspondingly connected with the multiple sets of supporting frames respectively, and the driving part can drive the sliding blocks to move in the radial direction of the base. According to the prefabricated bridge pier self-stabilization temporary supporting device suitable for rapid construction, the multiple sets of movable supporting frames are arranged, the bridge pier can be rapidly and temporarily supported in multiple directions, the good supporting effect is achieved, the prefabricated bridge pier self-stabilization temporary supporting device can be suitable for bridge piers of different specifications, repeated utilization is facilitated, and the use cost is reduced.

The utility model discloses a kind of sustained drug delivery formula breath wearers, including wearing main body and doser;Wearing main body includes cover body, cover body includes two extension face-pasting layers and fit layer, any extension face-pasting layer is equipped with hanging ear slot, fit layer includes the bulge chamber for covering oral cavity and nasal cavity, the fit periphery around the bulge chamber outer circumferential face cheek, at least one air hole is formed on the cavity wall of bulge chamber;At least one extension face-pasting layer is equipped with exposed doser loading part for detachable type carrying doser, doser loading part is equipped with through window, which is communicated with bulge chamber and extends through extension face-pasting layer;Doser is arranged in doser loading part, and doser has exposed medicine outlet end, which is matched with through window opposite position.This utility model wearing main body can realize the carrying of doser, and the wearing comfort is better and more beautiful.The wearing fit support and comfort are guaranteed, and it is suitable for various population wearing.

The utility model relates to the field of footwear manufacturing technology discloses a kind of EVA shoe sole with openwork type support framework structure, including EVA shoe sole main body, the inside of EVA shoe sole main body is provided with inner cavity, and the inside of inner cavity is provided with inner support, the inside of inner support is provided with cavity The utility model is provided with EVA shoe sole main body, inner support, cavity, support block, inner cavity, limiting band, wear slot, connection thorn face one, connection hair face one, connection thorn face two and connection hair face two, when using after shoe sole assembly, by using inside inner support, the inside of shoe sole can be supported, palm and heel position are respectively used entity support to ensure shoe sole support effect, middle position uses hollow structure to ensure certain softness, improve wearing foot feeling, simultaneously through replaceable setting, when inside inner support support softness is insufficient, can be replaced alone inside framework support, long-acting support is used to the inside of shoe sole, reduce cost.

The utility model relates to the technical field of paint film detection devices, and discloses an automobile paint film quality detection device which comprises a mounting seat plate, and a deformable elastic block is detachably mounted below the mounting seat plate; the supporting structure is arranged below the elastic block, is used for fitting the bending of the workpiece and detecting a paint film, and comprises guide pipes, contraction grooves and a detection head, the elastic block is fixedly provided with a plurality of guide pipes, the guide pipes are provided with a plurality of contraction grooves, and the guide pipes form a corrugated structure capable of radially contracting through the contraction grooves; the circumferential surface of the guide pipe forms a corrugated structure through a plurality of shrinkage grooves, the movement range of the detection head can be greatly expanded to adapt to the concavo-convex of the automobile part by matching with the elastic block capable of elastically deforming, and the guide pipe can form multi-point support for the bottom of the elastic block on the basis of ensuring the deformation capability of the bottom of the elastic block; and the paint surface thickness detection precision of uneven positions is not lost.

The utility model discloses a kind of composite pipe winding machine, including winding machine bottom plate, the winding machine bottom plate bottom is equipped with coiled power component, the winding machine bottom plate is rotated by the coiled power component drive;The upper portion of the winding machine bottom plate is equipped with multiple sets of limiting rod adjusting mechanism and multiple sets of limiting plate adjusting mechanism, the width of composite pipe coiled is adapted by adjusting the limiting rod adjusting mechanism, the inner diameter of composite pipe coiled is adapted by adjusting the limiting plate adjusting mechanism.The composite pipe winding machine of the utility model, by the structural design of composite pipe winding machine, using T type screw rod carries out stepless adjustment of winding width and inner diameter, can better match different types of composite pipe and the requirement of different length different coiled width, effectively improve coiled efficiency.

This utility model relates to the field of gear technology and discloses a gear assembly with adjustable gear meshing distance. The gear assembly includes a mounting platform, a mounting seat on the outer side of the mounting platform, a motor fixedly mounted on the inner wall of the mounting seat, and a main gear fixedly connected to the output end of the motor via a round rod. A driven gear is located on the outer side of the main gear. An adjustment mechanism and a facilitating mechanism are also located on the outer side of the mounting platform. In this gear assembly, adjusting the worm gear causes the worm wheel to rotate, which in turn causes the lead screw to rotate, moving the mounting seat horizontally and thus moving the main gear. This adjusts the distance between the main gear and the driven gear. The self-locking characteristic of the worm wheel and worm gear ensures the stability of the mounting seat. The sliding block and sliding groove further stabilize the mounting seat, ensuring the stability of the distance between the main gear and the driven gear after adjustment.

The utility model relates to the technical field of building engineering, concretely is the inner support pair of spiral steel pipe pile's pull assembly, including a plurality of inner support components in the pile pipe inside, the inner support component is from top to bottom once series connection, the inner support component is connected through the connecting sleeve between the upper and lower adjacent inner support components, and the inner support component includes the cross -shaped tube, and each end of cross -shaped tube all is installed with an inner support rod, and the inner support rod is connected with cross -shaped tube through screw thread and is matched. In this inner support pair of spiral steel pipe pile's pull assembly, in the support effect aspect, the inner support component adopts the design that adjustable inner support rod is matched with cross -shaped tube, and the support piece of each inner support rod outer end abuts the pile pipe inner wall, can realize the even support to the pile pipe inner wall, avoids the stress concentration phenomenon. The combination structure of the round groove shape support seat, spring and pressing plate in support piece, can be adjusted the support force according to the actual situation of the pile pipe inner wall self -adaptation, further guarantees the support evenness, prevents the local deformation damage of the pile pipe, significantly improves the structural stability and the carrying capacity of spiral steel pipe pile.

The utility model relates to a flexible telescopic unit module and a flexible platform. The flexible telescopic unit module comprises a fixed rail, and the fixed rail is provided with a containing cavity with at least one open end; the sliding rail is arranged in the containing cavity in a penetrating mode and comprises a lower supporting piece and an upper supporting piece installed on the upper side of the lower supporting piece, cavities are formed between the two side walls of the lower supporting piece and the two side walls of the fixed rail, the tops of the two side walls extend outwards to form turnups connected with the bottom wall of the upper supporting piece, and at least one side wall of the lower supporting piece is provided with a limiting piece. A hard blocking piece connected with the fixed rail is arranged in the cavity, the extending length of the sliding rail of the flexible telescopic unit module is limited through matching of the hard blocking piece and the limiting piece, the sliding rail is prevented from excessively extending out, the flanging of the lower supporting piece is connected with the upper supporting piece, and the inner supporting piece arranged in the lower supporting piece is matched with the upper supporting piece, so that the sliding rail is prevented from excessively extending out. And the pressure-bearing area between the sliding rails is increased, so that the overall strength of the sliding rail is higher, larger bending moment can be borne, the support for workers is ensured, and the safety performance is improved.

The application discloses an aggregate dust removal device for a large concrete mixing station and relates to the dust removal device field.The aggregate dust removal device comprises a conveying device, a dust falling assembly is arranged on one side of the conveying device, and the dust falling assembly comprises a dust filtering unit, a spraying unit, a separation unit and a vibration unit.The dust filtering unit comprises a dust filtering plate, a plurality of dust filtering holes are formed in the dust filtering plate, the dust filtering plate is arranged to be inclined to the conveying device direction and extends above one end of the conveying device, and the spraying unit is arranged on the side of the dust filtering plate close to the conveying device.The dust on the aggregate is cleaned through the cleaning water, the dust on the aggregate is treated more completely, a large amount of dust is prevented from being raised in the subsequent conveying and processing of the aggregate, the cleaning water and the sludge can be continuously separated, the filter cloth belt has the effect of continuous filtration, the dust in the aggregate is more quickly and completely filtered through the dust filtering plate, the spraying on the aggregate is improved, the cleaning effect on the aggregate is improved, and the impact and beating effect on the dust filtering plate and the filter cloth belt is better.

The utility model discloses a calcium carbonate grinder with a scattering structure, which belongs to the technical field of calcium carbonate grinding and comprises a base, a grinding box is arranged on the base, a transmission arm is mounted on the base, a grinding roller is arranged on the transmission arm and positioned in the grinding box, and a grinding disc is arranged in the grinding box. Through the arranged scattering and feeding structure, a scattering motor can be started in the feeding process, the scattering motor drives a scattering cutter to rotate through a rotating shaft, so that fed calcium carbonate is scattered, the calcium carbonate is dispersed into primary particles, soft buffering in the grinding process is reduced, the particles are more fully exposed between a grinding roller and a grinding disc, and the grinding quality of the calcium carbonate is improved. The effective collision frequency in unit time is increased, the grinding efficiency is improved, the supporting assembly is arranged at the tail end of the rotating shaft, the rotating shaft can be supported, the stability of the rotating shaft is guaranteed, the spring is arranged in the fixing rod and used in cooperation with the abutting rod, the abutting rod can effectively make contact with the inner wall of the circular channel, and the supporting effect is guaranteed.

The application discloses a foundation pit supporting structure and belongs to the technical field of building construction, which comprises a Larsen steel sheet pile, an angle supporting mechanism, a center supporting mechanism and a drainage mechanism. The application is novel and ingenious. When the soil pressure in the pit wall is too large to cause the Larsen steel sheet pile to expand, the pressure of the Larsen steel sheet pile is released to prevent the pressure from being too large and causing the Larsen steel sheet pile to deform, thereby prolonging the service life. When the center part of the Larsen steel sheet pile is deformed due to expansion, the reinforcing plate extrudes the Larsen steel sheet pile to reset the Larsen steel sheet pile and keep the original state, thereby changing the deformation of the Larsen steel sheet pile caused by the excessive soil pressure during use. The whole device has low construction cost, short structure forming time, does not need to occupy a large amount of construction time and does not need to consume a large amount of resources, and the practicability of the device is greatly improved.

The utility model relates to the technical field of boxing, in particular to a stacked box separating mechanism. According to the stacked box separation mechanism, box erecting parts on the surfaces of box separation columns arranged on the two sides of a stacked empty box are matched with separation parts, the two sides of the stacked empty box are located on the upper sides of the separation parts, and through rotation of the box separation columns, the stacked empty box rotates and falls off, and the lowermost empty box falls on the box erecting parts; at the moment, the head of the separation part is located at the interval position between the lowest empty box and the multiple upper empty boxes, the head of the separation part enters the interval through rotation of the box separation column, the lower empty boxes on the lower side are separated from the box supporting part to be suspended through further rotation, meanwhile, the upper sides are pushed out by the separation part, and the empty boxes are separated from one another due to embedding formed by stacking.

A forestry transplanting root protection device comprises a rectangular moving frame, moving frame lower legs, moving wheels, a strip-shaped baffle, a semicircular buckle plate, a rotary supporting plate, a T-shaped sliding block, a semicircular supporting plate, a rotary limiting plate and a positioning rod, the lower portion of the rectangular moving frame is connected with the moving frame lower legs, and the multiple moving frame lower legs are distributed at the bottom of the rectangular moving frame; moving wheel mounting plates are arranged on the lower portions of the lower legs of the moving frame, the upper portions of the moving wheels are connected with the moving wheel mounting plates, T-shaped sliding grooves are formed in the upper portion of the rectangular moving frame, the four T-shaped sliding grooves are distributed in the upper portion of the rectangular moving frame, a strip-shaped protruding plate is arranged on the side face of the rectangular moving frame, the side face of a strip-shaped baffle is attached to the rectangular moving frame, and the lower surface of the strip-shaped baffle is attached to the strip-shaped protruding plate. A set of positioning inserting rods are arranged on the lower portions of the strip-shaped baffles and penetrate through the strip-shaped protruding plates, and the strip-shaped baffles are symmetrically arranged at the two ends of the rectangular moving frame.

The utility model discloses a cool -feeling shoe convenient to ventilate belongs to the technical field of shoes, including the shoe body, including the shoe body, vamp and composite shoe sole, the shoe body upper end fixedly connected with the elastic support framework for supporting vamp, the vamp adopts elastic mesh cloth to make, the shoe body heel place is equipped with the breathable hole, the matching rotatable breathable adjusting ring is inlayed and installed in the breathable hole, and the stepless regulation is realized through rotatable breathable adjusting ring and utilizes magnetic attraction positioning, and the user can accurately control the heel area ventilation according to environmental temperature or exercise intensity, and the ventilation and the windproof dustproof demand are taken into account.

The utility model discloses a bathroom storage basket assembly relates to storage basket technical field, including storage basket still includes inside adjusting assembly, outer tight rope and hydrophobic tray, inside adjusting assembly installs at the bottom of storage basket, and the both ends of outer tight rope are connected with storage basket, hydrophobic tray, inside adjusting assembly includes with the inside collection rope of fixed storage basket lower surface, the end surface of inside collection rope is provided with node column, the outer surface rotation of node column is equipped with herringbone connecting rod, and one end bottom rotation cooperation of herringbone connecting rod has the positioning post, the side of positioning post is fixed with crescent ring, through the series connection of storage basket, outer tight rope and hydrophobic tray, can make storage basket keep relative stability when distance adjustment, realizes the stable fall of storage basket, and through inside collection rope, with the rotation cooperation of node column, make inside collection rope when the drag of storage basket, the tension of self of inside collection rope can make storage basket keep the balance of horizontal plane, avoid the fracture caused by the stress of connecting portion too big.