65 results about "Opening height" patented technology

The utility model relates to an ultralow temperature safety valve testing device, comprising a low temperature box used for providing a low temperature environment; test fluid is stored in the working tank, and the working tank is arranged in the low-temperature box and is connected with an inlet of the tested safety valve through a test tool so as to provide the test fluid for the tested safety valve; the pressure gauge and the first thermometer are arranged at the inlet of the tested safety valve and are respectively used for measuring the pressure and the temperature of the test fluid flowing into the tested safety valve; and the height testing device is positioned right above the tested safety valve and is used for measuring the opening height of the tested safety valve. The ultra-low temperature safety valve testing device is suitable for testing of ultra-low temperature safety valves in the ship field. According to the invention, the speed and the convenience of testing are obviously improved, and the used testing fluid can be effectively recycled and reused, so that the cost is saved while the efficiency is improved.

The present invention relates to the field of automobile parts technology, and specifically provides a method for arranging automobile tailgate hinges, aiming to solve the technical problem that existing hinge arrangement methods consume a lot of time and reduce the efficiency of vehicle development. To this end, the present invention provides a method for arranging automobile tailgate hinges, the method comprising: obtaining the direction in which the hinge is fastened, the image of the gap between the top cover and the tailgate, the limiting line of the rear view, the limiting line of the tailgate opening height, and the limiting boundary parameters of the top cover and the tailgate; determining the position of the hinge based on the direction in which the hinge is fastened, the image of the gap between the top cover and the tailgate, the limiting line of the rear view, the limiting line of the tailgate opening height, and the limiting boundary parameters of the top cover and the tailgate, eliminating the need to repeatedly iterate the motion relationship between the tailgate and the surrounding area, the human-machine opening height, and the dimensional tolerance after determining the position of the hinge, thereby saving design time, improving work efficiency, and enhancing the efficiency of vehicle development.

The invention provides a vertebral body distraction device and a vertebral body distraction operation device. The vertebral body distraction device comprises a driving part, two threaded sleeves and a distraction assembly. The driving part comprises a first driving rod and a second driving rod which are detachably connected, threads are arranged on the first driving rod and the second driving rod, and the screwing directions of the threads on the first driving rod and the second driving rod are different; the two threaded sleeves are arranged on the first driving rod and the second driving rod in a sleeving mode correspondingly and matched with the threads. The two ends of the opening assembly are connected with the two threaded sleeves correspondingly. When the driving piece rotates around the axis of the driving piece, the first driving rod and the second driving rod rotate synchronously and drive the two threaded sleeves to be far away from each other, so that the opening assembly is opened relative to the driving piece. When the first driving rod and the second driving rod rotate, the corresponding threaded sleeves can be driven to move through threads, the opening height of the opening assembly can be determined by controlling the rotation number of the threaded sleeves relative to the threads, and accurate opening of the vertebral body opening device is achieved.

The invention provides an active vehicle forecabin cover hinge and a pedestrian protection system, and belongs to the technical field of vehicle parts. A cover plate; the cover plate is hinged to the base through the double four-bar hinge mechanism; wherein one part of the double-four-bar hinge mechanism and the base form a four-bar structure, the other part of the double-four-bar hinge mechanism and the cover plate form another four-bar structure, and the double-four-bar hinge mechanism comprises a scissors fork structure. The hinge has the beneficial effects that the overall height after the hinge is closed is very low, the height after the hinge is opened is relatively high, and the ideal opening height can be easily achieved, so that the hinge is suitable for more types of vehicle types, and particularly suitable for small-size vehicle types, car running, sports cars and the like.

The utility model discloses a hinge structure and a vehicle. The hinge structure comprises a rotating arm, a hinge assembly and a hinge assembly, the lifting arm and the rotating arm are movably connected through a first connecting rod and a second connecting rod and jointly form a four-connecting-rod mechanism; the fork arm assembly comprises a first fork arm and a second fork arm, the first fork arm and the second fork arm are distributed in a crossed mode and rotatably connected, and the lifting arm is movably connected to the fixed seat through the first fork arm and the second fork arm and can ascend and descend relative to the fixed seat. According to the hinge structure, the opening height of the hinge structure can be increased, the overall structure is simple and compact, installation and maintenance are easy, the manufacturing cost and the use cost are reduced, and the opening and closing efficiency of components is improved.

According to the continuous bulging machining method for the titanium alloy cylindrical part at the high temperature, hot pressing forming equipment with a moving-out workbench is used as a pressing force application device, a moving-out platform is adopted, a mold is convenient to place, parts are convenient to take and place, and the maximum opening height needed by the equipment during part taking is reduced; and meanwhile, a forced return and return in-place detection device is designed for return of the equipment ejector rod and is used for preventing fatal damage to the mold due to the fact that the equipment ejector rod does not return to the lower limit. Compared with the prior art, the continuous bulging machining method for the titanium alloy cylindrical part at the high temperature has the beneficial effects that the machining circulation of large titanium alloy cylinder feeding, mold returning to a hot press, heat preservation, pressing bulging, workpiece demolding, mold and workpiece moving-out and automatic discharging can be achieved. The forming efficiency of the large titanium alloy cylindrical part is improved, the machining cost is reduced, meanwhile, the labor intensity of an operator is reduced, and working conditions are improved.

The utility model relates to the technical field of cases, in particular to a front IO replaceable case. The front IO replaceable case comprises a case body, an IO groove is formed in the front side of the case body in a penetrating mode, a CD driver groove is formed in the front side of the case body, the upper side and the lower side of the inner side wall of the IO groove are each provided with a set of first adjusting grooves, and second adjusting grooves are formed in the left side of the inner side wall of the IO groove and the left side of the inner side wall of the first adjusting grooves. A storage groove is formed in the top of the CD driver groove, and the storage groove penetrates through the front side of the case; according to the device, a second hand-screwing bolt is pulled rightwards to drive a second adjusting block to slide rightwards in a second adjusting groove, so that the effect of changing the opening length of the IO groove is achieved, a first hand-screwing bolt is pulled up and down to drive a first adjusting block to slide up and down in a first adjusting groove, and the effect of changing the opening height of the IO groove is achieved; by freely adjusting the size of the IO opening, IO panels of different types of mainboards can be replaced by the IO slot of the case.

The application relates to a laminating device and laminating equipment thereof, which comprises a pressing plate, a laminating plate and an ejection mechanism. The laminating plate is arranged in pressing connection between the pressing plate and the laminating plate. The ejection mechanism comprises a first elastic member and a second elastic member, and the first elastic member and the second elastic member are arranged in the accommodating space. The first elastic member and the second elastic member can abut to the laminating plate and push the laminating plate away from the pressing plate. The double elastic member structure can provide a large demolding ejection force, and sufficient force is ensured to push out the laminating plate. The ejection mechanism can rapidly act at the moment when the hot press is opened, timely push out and avoid the laminating plate and the pressing plate from being attracted, ensure normal opening height, maintain production continuity and improve production efficiency. The ejection mechanism can reduce manual labor intensity, automatically push out and reduce safety risks without manual labor. The ejection mechanism has high universality, can be integrated on different specifications of pressing plates, does not need to reform the hot press on a large scale, and reduces equipment reform cost.

The invention relates to a de-molding protection tool and de-molding method for a T / I type web of a wind power blade, and the tool is of a G type structure and comprises a mousing hook and an auxiliary adhesion supporting block; the mousing-hook is attached to the inner side of the main adhesion side flange to prevent the auxiliary adhesion supporting block from inclining and falling off, and the contact face of the auxiliary adhesion supporting block is matched with the web outer skin and used for transferring lifting pressure to the web body; according to the tool, the stress area is equally divided through the isolation hanging belts and the auxiliary bonding turnup edges, and the tool is suitable for T / I type webs of various models. The total height H of the tool meets the formula: H = H1 + 2H2, H1 is the height of the main adhesion side flange, H2 is the height of the auxiliary adhesion side flange, the height H3 of the opening meets the formula: H3 = 2H2 + the thickness of the core material, the height H4 of the auxiliary adhesion supporting block meets the formula: H4 = H2 + a preset value, and the preset value is 3-7 mm. And the product quality can be protected, the production efficiency is improved, and the universality is extremely high.

This utility model belongs to the field of foundation pit construction, and specifically relates to a recyclable protective device for retaining walls. It includes several inverted U-shaped protective plates, the inner width of which is equal to the thickness of the retaining wall, and the height which is less than the height of the retaining wall but greater than the opening height. Adjacent inverted U-shaped protective plates are fixed together with bolts. Handles are provided on the sides of the inverted U-shaped protective plates, and circular holes are provided at the bottom. This protective device is simple to manufacture, low in cost, lightweight, can be manually transported, and is quick to assemble and disassemble. It is suitable for protecting open retaining walls of different lengths, avoiding construction safety hazards, and is recyclable, thus reducing protection costs.

The invention discloses a low-residue Y-shaped heat preservation sampling device, and relates to the technical field of valves, the low-residue Y-shaped heat preservation sampling device comprises a valve body, the valve body comprises a valve body flow channel and a valve body main body, the valve body main body is fixed below the valve body flow channel, a moving channel is arranged in the valve body main body, a valve rod is arranged in the moving channel in a sliding mode, a valve rod head is arranged on the valve rod, and the valve rod head is connected with the valve body main body. The head of the valve rod is of an arc-shaped structure, a sampling body is arranged on the side face of the valve body, a sampling channel communicated with the moving channel is formed in the sampling body, the head of the valve rod is designed according to the shape of a valve body flow channel, when the valve rod is closed, the head of the valve rod is completely attached to the valve body flow channel, and medium staying caused by non-coincidence is reduced. When the valve is completely opened, the arc shape of the head of the valve rod coincides with a sampling outlet flow channel, a flow guiding effect is achieved, and the head of the valve rod is prevented from affecting outlet flow. And meanwhile, the opening height of the valve is reduced.

The present invention relates to the technical field of improving the endurance and NVH performance of a whole vehicle, and specifically discloses a spoiler strip for an SUV model with a hollowed-out tail wing and a design method. The spoiler strip includes a spoiler strip body. The spoiler strip body is strip-shaped along the vehicle width direction. The spoiler strip body is provided with a windward surface with an arc-shaped concave structure on the vehicle body cross-section. The slope of the windward surface relative to the vehicle surface is 145° to 160°, the deflection of the windward surface is 3.5 - 6.5 mm, and the height of the spoiler strip body is not higher than 55% of the opening height of the hollowed-out tail wing. When designing the spoiler strip, use pre-processing software to complete the modeling, then perform simulation calculations, and finally change the parameters of the spoiler strip and perform simulation calculations again to select a solution that has an optimization effect on both the wind resistance and wind noise performance. This solution is used to solve the problem that the wind resistance and wind noise of current SUV models with hollowed-out tail wings are relatively large during driving, which affects the vehicle's endurance mileage and the user's NVH experience.

The invention relates to the technical field of hole depth measurement, and discloses a forge piece inner cavity hole depth measuring device, which comprises an insertion pipe used for being placed in a forge piece inner cavity, and the outer side of the insertion pipe is fixedly sleeved with an abutting ring used for being in contact with the forge piece inner cavity; one end of the inserting rod penetrates through and extends to the outer side of the inserting pipe, a semicircular groove is formed in the top of the inserting rod, and the top end of the inserting pipe is located in the forming height of the semicircular groove; the limiting mechanism is arranged on the outer side of the abutting ring and used for being attached to the exposed face of the forge piece part. Hole depth measurement can be rapidly completed without damaging a product, and the detection efficiency is improved.

A method of coating a seal slot includes applying a coating to a slot in a component and machining the coating to provide an open height configured to receive a seal. After the machining a surface roughness of the coating is less than about 100 ra. A scaling assembly is also disclosed.

The present application relates to the technical field of intelligent control, in particular to a variable air volume adjustment method of a fume hood, an electronic device and a storage medium, the fume hood has an opening, the opening is provided with a sliding door, the method comprises the following steps: in response to the experimental mode selected by the user on the interactive interface of the terminal, obtaining the target face wind speed set by the user and the opening height of the sliding door; obtaining the current height of the sliding door detected by the displacement sensor, and determining the moving distance and the moving direction of the sliding door according to the current height and the opening height; triggering the controller to control the driving unit to drive the sliding door to move in the moving direction until the displacement sensor detects that the sliding door reaches the opening height; obtaining the width of the sliding door, and determining the target exhaust air volume of the fume hood according to the width of the sliding door, the opening height and the target face wind speed; and triggering the controller to control the variable air volume venturi valve to adjust the air volume of the fume hood to the target exhaust air volume; the present application can realize accurate and efficient control of the face wind speed and the exhaust air volume in the fume hood.

The invention provides a progressive angle adjusting device with a spindle inclination angle locking function and a directional drilling machine, the directional drilling machine comprises a drilling machine crawler body, a rear angle adjusting assembly and a front angle adjusting assembly are respectively mounted on two longitudinal sides of the drilling machine crawler body, and a rear inclined strut assembly and a front inclined strut assembly are hinged to the top surface of the drilling machine crawler body; a feeding device is arranged above the drilling machine crawler body, and the feeding device is movably connected with the rear angle adjusting assembly, the rear inclined strut assembly, the front angle adjusting assembly and the front inclined strut assembly; the rear angle adjusting assembly, the front angle adjusting assembly, the rear inclined strut assembly and the front inclined strut assembly jointly form the progressive angle adjusting device with the main shaft inclination angle locking function. Due to the design of the progressive angle adjusting device, it can be guaranteed that the high-power automatic directional drilling machine has small hole opening height and appearance height, and meanwhile posture adjustment of a low-position hole, a large angle and a large height range can be achieved.

The utility model provides an automatic gear door which adopts single rack transmission to improve the operation reliability, a controller detects the opening height and the real-time speed of the door in real time through an encoder, and the controller realizes in-place opening and in-place closing limiting through the height. And the controller realizes abnormal detection and protection such as clamping prevention, downward sliding, locked-rotor and lagging through the speed. The problems that in an existing traditional method, a conventional automatic door is complex in structure and too simple in function are solved.

The present invention belongs to the field of adjustment mechanisms, and specifically relates to a mold opening adjustment mechanism, comprising a lifting structure, a snap ring structure and a mounting structure, wherein the snap ring structure comprises a locking portion and an adjustment portion, wherein the locking portion is connected to the output end of the lifting structure, and the adjustment portion is connected to the mounting structure. The locking portion on the snap ring structure is locked and fixed with the output end of the lifting structure, the lifting structure is used to be fixed on an external fixed plate or other horizontal fixing member, the lifting structure is connected to an external lifting module through the mounting structure, and the mounting structure is adjustably mounted on the adjustment portion, thereby adjusting the mold opening height, ensuring that the pulp molding equipment meets the mold closing requirements when the maximum stroke of the cylinder is fixed, and ensuring that after the mold is opened, the distance between the upper and lower molds is more than twice the height of a single mold cavity of the mold, and the mounting structure is also provided with a locking component, so as to adjust its position on the adjustment portion when the locking component is not locked.

To prevent the accumulation of sand and dust on the rails, reduce wear between the rollers and rails, prevent rail rust, achieve a simple structure, reduce costs, lessen the weight burden on workers, and ensure sufficient opening height. [Solution] The expandable trailer house 1 has a ceiling 21, side walls 22-25, and a floor 26, and comprises a box-shaped main body 2 having a rectangular opening 29 in the side wall 22 in the longitudinal direction L, a frame 3 that can change between a stored state and an expanded state and is attached to the opening 29, and rail members 4. The frame 3 is divided into a roof panel 31 that is rotatably attached to the upper edge in the longitudinal direction of the opening 29, a floor panel 32 that is rotatably attached to the lower edge in the longitudinal direction L of the opening 29, a left side panel 33 that is rotatably attached to the left edge in the height direction H of the opening 29, a right side panel 34 that is rotatably attached to the right edge in the height direction H of the opening 29, and a front panel 35 that has a roller 35b on its upper edge 35a that can move along the rail members 4.

The invention discloses a folding hangar door which is in an upward folding form and comprises at least two groups of rail supporting mechanisms, and a first door body, a second door body, a third door body and a fourth door body which are sequentially arranged between the rail supporting mechanisms from top to bottom and are connected through hinges. The driving mechanism is connected with the rail supporting mechanism and used for driving the first door body, the second door body, the third door body and the fourth door body to be opened or closed. According to the upward-folding hangar door, the upward-folding hangar door is folded backwards towards the interior of the hangar after the door plate is opened and lifted upwards to the door frame, the upward-folding hangar door is stored on the door frame along the inner side of the hangar after being opened, the occupied size in the depth direction of the hangar is about one fourth of the height of an opening of the hangar door, and the depth space in the hangar is saved. And the single door plate is of a box-shaped structure, so that the overall strength and rigidity can be considered, and meanwhile, the longitudinal storage space of the door body during opening is reduced.

The utility model relates to a protective device of an elevator shaft, which belongs to the field of elevator shaft construction, and comprises a bottom plate, two frame bodies, an aluminum diaphragm plate and a top cover, the two frame bodies are respectively fixed on the left side and the right side of the upper surface of the bottom plate, and the inner side of each frame body is provided with an adjusting structure for adapting to different elevator shaft mouth heights. The adjusting structure comprises a threaded rod rotationally connected to the inner side of the frame body, a driven gear fixedly connected to the outer side of the threaded rod, a driving gear meshed with the top of the driven gear, a rotating rod fixedly connected to the inner side of the circle center of the driving gear, a hand wheel fixedly connected to the other end of the rotating rod, and a threaded block in threaded connection to the outer side of the threaded rod. The lifting rod is fixedly connected to the upper surface of the threaded block. According to the protection device of the elevator shaft, flexible adjustment of the height of the protection device is achieved through the adjusting structure, so that the protection device can easily adapt to elevator shaft mouths with different heights, and special protection equipment does not need to be customized for the shaft mouth with each specific height.

The invention discloses a rear door plate assembly for a vehicle and the vehicle, the rear door plate assembly comprises an inner plate and an outer plate, and a mounting space is formed between the inner plate and the outer plate; at least part of the reinforcing plate is connected with the inner plate, the reinforcing plate is contained in the mounting space, and a protruding part protruding towards the outer plate is formed at the edge of the reinforcing plate; the wire harness fitting is accommodated in the mounting space, a wire harness mounting part is formed on the wire harness fitting, and an opening for inserting and mounting a wire harness is formed in the wire harness mounting part; wherein the height of the protruding part is h1, the height of the opening is h2, and h1 is larger than h2. According to the rear door plate assembly disclosed by the invention, the height h1 of the lug boss at the edge of the reinforcing plate and the height h2 of the opening of the wire harness fitting are set in the relation range that h1 is greater than h2, so that the mounting wire harness cannot be clamped by the edge of the reinforcing plate when being assembled into the mounting space along with the wire harness fitting, and the smooth assembly of the mounting wire harness is ensured; and the assembly efficiency of installing the wire harness is improved.

This utility model discloses a tool sharpening machine, including a base, a grinding disc mounted on the base, a motor for driving the grinding disc to rotate, and a protective shell mounted on the base corresponding to the outer side of the grinding disc. The protective shell includes a fixed shell mounted on the base and a movable shell that can move up and down relative to the fixed shell and has an opening. The height of the fixed shell is less than the height of the grinding disc. The tool sharpening machine also includes a pushing mechanism for pushing the movable shell up and down. In use, when the height of the grinding disc is reduced to less than the opening height of the movable shell, the user can operate the pushing mechanism to push the movable shell downwards to adjust the opening height of the movable shell to be less than the height of the grinding disc. This allows the grinding disc to continue to be used for sharpening operations, making full use of each grinding disc, thereby reducing grinding disc waste and lowering grinding costs.

The utility model discloses mechanical equipment with a turnover door, and belongs to the technical field of mechanical equipment. The mechanical equipment with the turnover door comprises an equipment main machine, the turnover door and an air spring, the equipment main machine is provided with a first installation part, the turnover door is provided with a second installation part, the turnover door comprises a first door body and a second door body which form an angle, and the air spring is arranged between the turnover door and the equipment main machine. The equipment host and / or the turnover door are / is provided with mounting holes allowing stepless adjustment of the mounting position of the end of the gas spring. According to the mechanical equipment with the turnover door, the gas spring is adopted as a supporting mechanism of the turnover door, the gas spring can provide stable supporting force, and when the turnover door is closed, the gas spring plays a good buffering role, so that a host of the equipment is protected. In the process of adjusting the opening angle and the opening height of the turnover door, the supporting force of the gas spring to the turnover door can be adjusted by adjusting the fixed position of the end of the gas spring, and the adjustment operation of the gas spring is simple, convenient and not tedious.

The utility model discloses a novel pressure relief manhole with a valve disc free of a guide structure, and relates to the technical field of pressure relief manholes. The novel pressure relief manhole comprises a valve body, a valve disc, a balance weight disc and a rainproof cover, and the valve disc is in a circular truncated cone shape and is arranged on a valve seat of the valve body; the position change of separation or contact between the valve disc and the valve seat is realized under the action of external force; the balance weight disc is arranged on the valve disc, and the rainproof cover is located above the valve disc and detachably connected with the valve body. According to the utility model, the opening height of the valve disc can be obviously increased by utilizing the circular-truncated-cone-shaped valve disc, so that the ventilation capacity is increased, and the valve disc can be matched with the valve seat to realize guiding only by utilizing the structural characteristic that the valve disc is provided with an inclined surface without using an additional guiding structure, so that the valve disc can smoothly fall back, and the problem of disc clamping is avoided.

The utility model relates to a safety valve with indicating function, including valve main body, valve clapper subassembly, valve cover, valve rod, elastic component, adjusting assembly, protective cover, the safety valve still include indicating component, the indicating component include nameplate scale, indicating rod, the nameplate scale connection in the valve cover's outer surface, and / or the protective cover's outer surface, indicating rod one end be connected in the elastic component on, and / or the valve rod, indicating rod other end with the nameplate scale cooperation indicates. The utility model's elastic compression amount visualization, can accurate judgment elastic compression amount whether meet standard, can accurate, fast adjusting setting pressure of safety valve, reduce sealing surface wear and tear risk, can visual judgment whether safety valve opens, and opening height whether satisfies standard requirement, simple structure, reliable, have good economy.

The present invention relates to a cover opening device, specifically a high-pressure gas cover opening device, in which the front end cover of the pressure cabin is sealed with the end frame to form a watertight pressure cabin structure; the pneumatic device realizes the high-pressure gas storage and release function, and when the high-pressure gas is released into the enclosed space composed of the front end cover, the end frame, the airtight flange and the load cabin, and the pressure reaches the shear strength of the shear strip, the shear strip is cut to realize the opening of the front end cover. By adapting different high-pressure gas pressures and the physical properties of the shear strip, the opening height of the front end cover can be controlled; by asymmetrically arranging the shear strip, the opening direction of the front end cover can be controlled. The present invention can open the cover by the action of high-pressure gas cutting the shear strip. The entire pneumatic device is arranged inside a normal pressure sealed environment, avoiding the influence of external environmental corrosion, etc., and can effectively control the opening height and direction of the rubber end cover as needed, and can realize the simultaneous opening of the front end cover and the load cabin cover, with good safety, reliability, controllability and environmental adaptability.

The utility model relates to the technical field of indoor decoration, in particular to an assembly type quick-mounting metal door pocket which comprises a main keel, auxiliary keels, a buckling cover and a sliding cover, the auxiliary keels slide at the left end and the right end of the main keel, inserting grooves are fixedly formed in the left end and the right end of the main keel, and inserting blocks are fixedly installed at one ends of the auxiliary keels. One end of the inserting block is inserted into the inserting groove in a sliding manner; machining and assembling of the device are all completed in a machining factory, field assembly is achieved, mounting and dismounting are easy and convenient, construction of any wall thickness and door opening height can be dealt with, the material cost, the machining cost and the field mounting and construction cost can be reduced, and the safety and reliability of the system are improved; and the risk of engineering field processing and installation is reduced, so that the characteristics of greenness, energy conservation, safety and environmental protection are realized.

The invention relates to a hydraulic cartridge valve (100) for a valve block (10) comprising a sleeve (110) and a shut-off element (130) which can be introduced into the valve block. The sleeve comprises a first end region (111) which can be connected with a control cover. The sleeve comprises a second end region (112) opposite the first end region which can be introduced into the control cover, wherein the second end region has a front opening (114) in a front end and the sleeve forms a jacket (117) with an outer side and an inner side between the first end region and the second end region and the jacket of the sleeve has a plurality of jacket through-openings (119) which are separated by jacket webs (118). The shut-off element is movably arranged in the sleeve, wherein the shut-off element can be moved between a first position and a second position and wherein in the first position a fluid connection between the front opening and the jacket through-openings is released and in the second position the fluid connection between the front opening and the jacket through-openings is blocked, wherein the jacket through-openings extend along the jacket from the first end region to the second end region and form a through-opening height and the aspect ratio of the jacket through-openings is at least 3:1.