39 results about "Opening height" patented technology

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 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 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.

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 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.

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.

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 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.

The utility model discloses a safety valve on-line verification connecting device and a safety valve on-line verification system, the safety valve on-line verification connecting device comprises a central connecting rod, a sleeve and a limiting piece, the central connecting rod is detachably connected with the top of a safety valve rod; the sleeve is detachably connected with the top of the safety valve and covers the outer side of the top of a valve rod of the safety valve, and a first threaded hole is formed in the center of the top of the sleeve; the limiting piece is used for limiting the lifting height of the valve rod, a first through hole is formed in the center of the limiting piece, a first external thread is arranged on the outer circle of the limiting piece, the center connecting rod penetrates through the first through hole and is in clearance fit with the first through hole, and the first external thread is connected with the first threaded hole. According to the utility model, the on-line setting pressure measurement of the safety valve can be realized through a simple structure, the opening height can be limited, the opening can be forcibly closed to realize the seating function, and the labor intensity of on-line verification is greatly reduced.

The utility model discloses a feed storage tank blanking device, which belongs to the technical field of feed storage tanks and comprises a bottom plate, a vertical column is arranged on the top surface of the bottom plate, a conveying cylinder is fixedly connected to the top end of the vertical column, a feed guide mechanism is arranged on the conveying cylinder, and a discharge port is arranged at the bottom of one end of the conveying cylinder. A feeding hopper is arranged at the top of the other end of the conveying barrel, two hydraulic cylinders are fixedly installed on the top face of the bottom plate, and the top ends of the two hydraulic cylinders are fixedly connected with a lifting frame. According to the automatic feeding device, when the discharging hopper is moved to the position under the storage tank through the self-locking trundles, the hydraulic cylinder is used for driving the lifting frame and the discharging hopper to move upwards, at the moment, the elastic pipe is stretched, the discharging hopper is made to move to the position under the discharging opening of the storage tank, and it is guaranteed that feed falling from the discharging opening of the storage tank can be completely received by the discharging hopper; and meanwhile, the storage tanks with different discharging opening heights can be discharged, and the practicability is good.

The present application provides a kind of coal mine underground double lifting platform high opening drilling rig and drilling rig anti-rollover method, the drilling rig includes drilling rig track vehicle body, the upper and around of drilling rig track vehicle body is provided with anti-rollover device, the longitudinal rear side of anti-rollover device is installed with working lifting device, the top surface of working lifting device is rotatably installed with angle adjusting device, and drilling device is movably arranged on angle adjusting device;The longitudinal front side of anti-rollover device is installed with auxiliary lifting device;The method in the process of drilling rig construction, according to the size of anti-overturning moment, whether the drilling rig has rollover danger is judged.The present application has the characteristics that horizontal opening height and drilling angle adjusting range are large, and operation is flexible, can meet with heading machine quick alternate construction and along seam high opening construction demand;The present application can effectively improve the anti-rollover ability in the process of drilling construction, provides reliable technical support for coal mine underground drilling safety construction.

To improve wind pressure resistance performance by making a guide rail have a characteristic shape.SOLUTION: A guide rail 2 comprises: a first site G1 extending in a height direction of an opening; a second site G2 with a curved shape, which extends backward from upper side of the first site toward indoor side; and a third site extending backward along a ceiling from backside of the second site. When the opening is fully closed, guide rollers 11 on both ends in a width direction are located at the first site G1 and a lower half part of the second site G2, which causes a door body D to be restrained by the guide rail 2. The guide rail 2 comprises: a main guide part that is guided in a state where the guide rollers 11 are engaged when the door body D moves up or down; and a sub-guide part that faces the main guide part and allows the guide rollers 11 to slide thereon. A slip-out preventive part (inner depth side 25) facing an inner lateral surface of the guide roller 11 is provided on the sub-guide part at least at the first site G1 and the lower half part of the second site G2.SELECTED DRAWING: Figure 7

The invention relates to a backpressure-controlled high-performance full lift safety valve, a backpressure control method thereof and a pressure vessel system. The full lift safety valve comprises a valve body assembly and a load control assembly. The valve body assembly comprises a valve seat, a guide backpressure base and a valve cover which are coaxially assembled and are hermetically connected to form a backpressure chamber; the load control assembly comprises a valve clack assembly, a spring and an adjusting screw which are coaxially arranged; the guiding backpressure base integrates the guiding function, the limiting function and the backpressure control function of the valve clack assembly. The guiding function is achieved through clearance fit between the inner wall of the guiding backpressure base and the valve clack assembly. The limiting structure at the lower end limits the opening height of the valve clack assembly to achieve the limiting function. A groove hole formed in the center of the base is communicated with the valve seat flow channel and the backpressure cavity to achieve the backpressure control function; and the whole safety valve is not provided with any adjusting ring. And meanwhile, the long-standing problem of performance exclusion of pressure exceeding and seating pressure of a traditional safety valve is effectively solved, it is ensured that the discharging process is stable, and the frequency vibration phenomenon is avoided.

The invention provides a method and device for controlling a vehicle, the vehicle and a storage medium, and relates to the technical field of vehicle door control. According to the method, whether the user exists in the vehicle or not and whether the opening height of the vehicle window is smaller than the first preset height or not are detected, so that it can be ensured that the air quality is detected and subsequent tasks are conducted only when the user exists and the opening height is smaller than the first preset height, and consumption of computing resources is reduced. And based on the current air quality parameter in the cabin, determining a first target inflation amount of the inflatable sealing strip, and based on the first target inflation amount, controlling the inflation amount of the inflatable sealing strip. On the level of a mechanical structure, collision between the sky door and the ground door is physically and thoroughly avoided through the design of the inflatable sealing strip, and therefore possible mechanical damage is fundamentally prevented. On the functional experience level, the sealing performance in the cabin is changed by dynamically adjusting the current inflation amount of the inflatable sealing strip, internal contaminated air is effectively promoted to be exhausted, and the air quality in the cabin is continuously improved.

The utility model relates to the technical field of automobile assembly, in particular to a tail gate supporting rod which comprises an upper supporting portion and a lower supporting portion. An upper abutting groove is formed in one end of the upper supporting part, and the upper abutting groove can abut against the to-be-abutted position of the tail door; a lower abutting groove is formed in one end of the lower supporting part, and the lower abutting groove can abut against the to-be-abutted position of the vehicle body; the end, away from the upper abutting groove, of the upper supporting part is movably connected with the end, away from the lower abutting groove, of the lower supporting part. The upper supporting part and the lower supporting part can move in the same direction or in the opposite directions and are used for adjusting the distance between the upper abutting groove and the lower abutting groove. According to the tail gate supporting device, the original mode that the tail gate is supported manually and supported purely through a supporting rod is replaced, the tail gate can be supported, corresponding adjustment can be conducted according to the opening height of the tail gate, the tail gate supporting mode is simplified, the labor cost is saved, and the assembling work efficiency is improved.

This product is a pair of symmetrical boots. The height of the boots can be adjusted by cutting the edges of the multiple opening height adjustment tapes. A protrusion on the left side prevents the two boots from sticking together.

The utility model provides an automobile engine space wire harness support with multiple fixing points and multiple wire outlets, which comprises a support main body, the support main body comprises a wire harness groove with an upward opening, the wire harness groove comprises a bottom plate and side plates positioned on two sides of the bottom plate, the support main body is of a Y-shaped structure, and the wire harness groove comprises a first wire harness groove, a second wire harness groove and a third wire harness groove. The length of the first wire harness groove is smaller than that of the second wire harness groove, the length of the second wire harness groove is smaller than that of the third wire harness groove, the tail end of the first wire harness groove is provided with a first wire outlet, the tail end of the second wire harness groove is provided with a sixth wire outlet, and the tail end of the third wire harness groove is provided with a third wire outlet and a fourth wire outlet. The forming direction of the third wire outlet is opposite to that of the fourth wire outlet; a second wire outlet is formed in the side wall of the third wire harness groove, a fifth wire outlet is formed in the side wall of the second wire harness groove, the forming direction of the second wire outlet is opposite to that of the fifth wire outlet, and the forming height of the fifth wire outlet is larger than that of the side plate.

The utility model discloses a coaxial breather valve disc opening height detection device which comprises a valve body installed in a storage tank or a pipeline, a matched valve cover is installed at the top of the valve body, an exhalation valve seat and an inspiration valve seat are installed in the valve body, and the valve cover is provided with a light hole and is sealed through a transparent sealing plate. The top of the transparent sealing plate is provided with a measuring device used for detecting the height of the valve disc. The air suction valve disc is provided with a disc hole corresponding to the light hole, and the disc hole is provided with a sealing plug. The transparent sealing plate and the laser ranging device are adopted to detect the opening height of the inhalation valve disc, meanwhile, the exhalation valve disc is provided with the disc hole and the sealing plug, and the sealing plug is hinged to the driving structure; when the opening height of the exhalation valve disc needs to be detected, only the sealing plug needs to be lifted and turned over through the driving structure, laser can penetrate through the disc hole to irradiate the exhalation valve disc, and then detection of the opening height of the exhalation valve disc is achieved.

The luggage trundle support assembly comprises a support, a spring and a sliding sleeve, a vertical shaft hole is formed in the support, an inner supporting wall for supporting the spring is arranged in the vertical shaft hole, the sliding sleeve is inserted into an upper end opening of the vertical shaft hole and can slide in the axial direction of the vertical shaft hole, and the spring is arranged between the inner supporting wall and the sliding sleeve. The support is provided with a sliding sleeve limiting device which is correspondingly arranged at the upper end opening of the vertical shaft hole and used for limiting the sliding sleeve in the vertical shaft hole, the sliding sleeve limiting device limits the limiting position of the sliding sleeve sliding in the direction away from the vertical shaft hole, and therefore a spring assembling space between the bottom of the sliding sleeve and the inner supporting wall is formed in the vertical shaft hole in a limiting mode. The sliding sleeve is limited on the support, the spring opening height in the assembling process can be effectively controlled, assembling operation of the trundle is facilitated, and the product assembling yield is increased.

The application discloses a flow-adjustable manual diaphragm valve and relates to the technical field of valves.The flow-adjustable manual diaphragm valve comprises a valve body, a flow path, a diaphragm, a valve rod, a driving seat, an adjusting groove, an adjusting seat and an adjusting cavity, the valve rod is arranged in the adjusting cavity along the axial direction of the valve rod, one end of the valve rod away from the diaphragm is provided with a positioning part, and the opposite ends of the adjusting cavity are respectively provided with positioning walls for resisting the positioning part, and the two positioning walls are arranged along the axial direction of the valve rod.The manual diaphragm valve can adjust the moving stroke of the valve rod by positioning the positioning part through the two positioning walls, thereby adjusting the opening height and the closing height of the diaphragm, and further realizing the accurate flow adjustment of the manual diaphragm valve; meanwhile, the two positioning walls can position the valve rod, so that the adjusted flow remains constant.

The present application relates to a kind of high-performance full-opening safety valve of back pressure control and its back pressure control method and pressure vessel system.Back pressure control high-performance full-opening safety valve, including valve body assembly and load control assembly;Valve body assembly includes coaxially assembled valve seat, guide back pressure base and valve cover, and the sealed connection forms back pressure chamber;Load control assembly includes coaxially arranged valve flap assembly, spring and adjusting screw;Guide back pressure base integrates the guide function of valve flap assembly, limiting function and back pressure control function: realize guide function by the gap cooperation between its inner wall and valve flap assembly;Limiting structure in its lower end limits the opening height of valve flap assembly to realize limiting function;Back pressure control function is realized by the slot hole of the base center being set to connect the flow channel of valve seat with the back pressure chamber;And safety valve as a whole does not set any adjusting ring.Effectively solve the problem that the performance of overpressure and backseat pressure is mutually exclusive in traditional safety valve for a long time, and ensure that the discharge process is stable, avoid the frequency vibration phenomenon.