154results about How to "Less components" patented technology

The utility model relates to the technical field of vibration motors, in particular to a horizontal linear vibration motor, which comprises a shell with an accommodating space, a vibrator assembly, an elastic piece, a stator assembly and a cover plate, and is characterized in that the vibrator assembly comprises a mass block, magnetic steel and a damping piece, and is suspended in the shell through the elastic piece; the mass block comprises an integrally-formed cuboid body, the surface of the side, facing the cover plate, of the body is concavely provided with a receding coil and a groove penetrating through the body in the width direction, the center of the groove is provided with a square blind groove for containing the magnetic steel, and the blind groove forms the four walls of the mass block. The long side wall of the mass block is vertically and concavely arranged from the free end face of the mass block and penetrates through the long side wall to be used for installing a through groove of the damping piece, a first boss is horizontally and convexly arranged on the edge of the bottom of the long side wall, facing one side of the shell, of the body, and the groove forms a second boss on the free end face of the short side wall of the mass block. The performance of the horizontal linear vibration motor is improved, and the vibration effect of the motor is enhanced.

The invention discloses a mine filling cementing material and a preparation method thereof. The mine filling cementing material comprises the following components in percentage by mass: 3-8 wt% of high belite sulphoaluminate cement clinker; 1-3 wt% of high free calcium silicate cement clinker; 74 to 85 wt% of granulated blast furnace slag powder or granulated blast furnace slag; and 10 to 18 wt% of gypsum. Compared with other paste filling materials with the same strength, the cementing material solves the problems that in the prior art, a mine filling cementing material is poor in excitation effect and poor in mechanical property, so that the mine filling effect is affected, and the cost is high due to the fact that the using amount of the cementing material is large, and meanwhile the using proportion is reduced; and the use of mine backfill engineering is fully met.

The invention discloses a multi-range capacitor capacitance value measuring circuit and method based on constant current state charging and discharging, and relates to the technical field of capacitor testing. The circuit comprises a power supply module, the output end of which is electrically connected with one end of a capacitor to be tested; the input end of the resistance shunting module is electrically connected with the other end of the capacitor to be measured; the input end of the integration module is electrically connected with the output end of the resistance shunting module; the input end of the sampling module is electrically connected with the output end of the integration module; the control module is electrically connected with the power supply module, the resistance shunting module, the integration module and the sampling module; and the first input end of the adjustable window threshold comparison module is electrically connected with the output end of the integration module, and the second input end of the adjustable window threshold comparison module is electrically connected with the control module. According to the circuit provided by the embodiment of the invention, multi-range capacitance value testing can be realized.

The utility model discloses a tumbling cutter for rolling finish machining of a metal workpiece, which relates to the technical field of rolling machining cutters, solves the technical problems of lower surface roughness grade, complex structure and smaller machining range in the prior art, comprises a cutter handle, and is characterized in that a pin shaft is fixedly mounted on the cutter handle; a deep groove ball bearing is installed on the pin shaft, a steel ball frame is fixedly installed at the front end of the cutter handle, a steel ball hole is formed in the front end of the steel ball frame, and a hard alloy ball is movably installed in the steel ball hole. Components are few, the structure is simple, manufacturing and maintenance are easy, and production efficiency is improved; the contact surface of the tumbling cutter is small, large pressure can be obtained, equipment load is reduced, abrasion is relieved, and the service life of equipment is prolonged; the deep groove ball bearing serving as a supporting element is small in friction coefficient and beneficial to maintaining the rolling state; and the production flexibility is improved due to the workpieces which can be subjected to roll finishing.

The utility model discloses a power transmission line metal assembly type foundation in plug-in connection, and relates to the technical field of high-voltage power transmission line foundations. The support comprises insertion type angle steel, four support main materials and a foundation slab, the two support main materials form two support main material sets, each support main material set is of a herringbone structure, the upper ends of the support main materials are connected with the lower ends of the insertion type angle steel through bolts, and the lower ends of the support main materials are connected with the foundation slab; the foundation slab comprises two foundation slab main beams and a plurality of foundation slab secondary beam groups; the section type of the foundation slab girder is channel steel. According to a metal assembly type foundation of an existing power transmission line, tower legs and the foundation are mainly connected through tower base plates, and the connecting mode has the problems that the node structure is complex, the node economy is poor, and the precision requirement is high during machining, construction and assembly. The tower legs and the foundation slab are connected through the insertion type angle steel, the node structure is simple, the node economy is good, and the precision requirement is not high during machining, construction and assembly.

The invention relates to a portable tunnel construction period top lining unmanned aerial vehicle maintenance integrated device and method, and the device comprises an unmanned aerial vehicle, the upper part of the unmanned aerial vehicle is provided with a detection probe and an infrared laser ranging module, and the top of the unmanned aerial vehicle is provided with a liftable mark repair module; the two-way transmission and processing module is used for realizing data transmission between the unmanned aerial vehicle and the ground work station; and the visualization system is used for realizing visualization of data transmitted from the unmanned aerial vehicle to the ground work station. The device can replace manual work to execute a detection task to a difficult-to-detect position at the top of a tunnel, and meanwhile, a small disease area is simply repaired, so that manpower and material resources consumed by detection are reduced.

This utility model discloses a photovoltaic bracket suspension support structure, mainly comprising triangular support stabilizing units. Each triangular support stabilizing unit consists of two equally sized right-angled triangular supports symmetrically arranged on the left and right sides of a column. The right-angled triangular supports are composed of a column, a crossbeam, and diagonal braces, with the column and crossbeam serving as the right-angled sides and the diagonal braces as the hypotenuses. The two right-angled triangular supports share a single column. This utility model offers advantages such as economy and safety, high construction efficiency, and rapid component installation. It effectively solves problems such as difficulty in installing photovoltaic modules in fish-solar hybrid projects, agricultural-solar hybrid projects, and projects with excessively high ground clearance, which often result in low efficiency, long construction periods, and uneconomical costs.

The present invention discloses a self-generating device and a wireless switch using the same, belonging to the field of self-generating devices. A self-generating device of the present invention comprises a coil assembly and a permanent magnet assembly. In the initial state, the left and right ends of the soft magnetic plate respectively contact the first permanent magnet and the second upper soft magnetic plate to form a first closed magnetic circuit; when the soft magnetic plate rotates relative to the permanent magnet assembly, the left and right ends of the soft magnetic plate respectively contact the first upper soft magnetic plate and the second permanent magnet to form a second closed magnetic circuit; the direction of the magnetic lines of force passing through the soft magnetic plate in the first closed magnetic circuit is opposite to the direction of the magnetic lines of force passing through the soft magnetic plate in the second closed magnetic circuit, and the coil generates power according to the principle of electromagnetic induction. A wireless switch of the present invention comprises a radio frequency control board, a switch for controlling electrical equipment, and the above-mentioned self-generating device. The coil of the self-generating device is electrically connected to the radio frequency control board, and passive wireless switch control can be realized.

In order to obtain an erasing tool capable of erasing an erasing target within an accurate range and to obtain an erasing tool having a size suitable for a microcapsule magnetophoretic display, the present invention is an erasing tool for scanning a recording surface of a microcapsule magnetophoretic display and erasing a magnetic recording display body displayed on the microcapsule magnetophoretic display, as an erasing unit, uses a multi-pole magnetized rubber magnet (2), sets one face of the multi-pole magnetized rubber magnet (2) as an erasing face side (3) for scanning a recording surface of a microcapsule magnetophoretic display and erasing a magnetic recording display body displayed on the recording surface, and controls the density of magnetic lines emitted from the erasing face side (3) to be a magnetic force suitable for causing magnetic particles in the microcapsule to condense in the center of the microcapsule.

The utility model relates to the technical field of energy storage, in particular to a simple lock, a bottom support, a battery box and a battery changing system. The simple lock comprises a lock hole assembly and a lock body assembly. The lock body assembly comprises a supporting unit, a driving unit and two spring bolt units. The driving unit comprises a driving rod, a first left connecting rod, a second left connecting rod and a spring bolt unit which are hinged in sequence; and the driving rod, the first right connecting rod, the second right connecting rod and the other spring bolt unit are hinged in sequence. The driving rod drives the spring bolt unit to rotate through the connecting rod structure. When the simple lock is in a locking state, the spring bolt unit penetrates through the lock hole assembly, and the spring bolt unit abuts against the lock hole assembly to limit the lock hole assembly to move away from the spring bolt unit. The bottom support comprises a lock body assembly or a lock hole assembly. The battery box comprises a lock body assembly or a lock hole assembly. The battery replacing system comprises a bottom support and a battery box. Therefore, the problems of complex structure and high energy consumption of the traditional battery replacement locking device are solved.

The invention relates to a coaxial thermal coupling pulse tube refrigerator which comprises a compressor, a multi-stage cold head and a phase modulation mechanism, the multi-stage cold head is thermally coupled and coaxially arranged, and a high-temperature-stage pulse tube and a heat regenerator are respectively placed on the outer side of a low-temperature-stage pulse tube. Compared with the prior art, the device is compact in structure and high in reliability.

A self-service injector includes a torsion spring having stored energy for administration of a liquid active substance. The invention relates to a self-service injector having a housing (1) with a holder (18, 19) for fixing an insertable syringe (3) with a barrel (4), a sealing plug (26) and a needle, the active substance of which can be discharged under the action of hydraulic pressure when activated in particular. For this purpose, the piston (6) in the cylinder (4) can be actuated by a pivot lever (7) which is articulated on a piston slide (2) sliding along a guide rail (11) in the housing (1). And the other end of the pivoting rod (7) is hinged to a pivotable leg (8) of a bias torsion spring (9). By triggering a pivoting movement of the biasing spring leg (8), the piston (6) can be slid into the needle cylinder (3) in a first pivoting phase by means of a piston slide (22), and barbs (10) on the piston slide (22) thus can be hooked on the needle cylinder (3). In a subsequent pivoting movement, the syringe (3) can be retracted into the housing (1) such that the needle disappears within the housing.

The invention discloses a wearable passive upper limb power-assisted exoskeleton prosthesis, and belongs to the technical field of wearable power-assisted equipment. The exoskeleton artificial limb comprises a waist supporting assembly worn on the waist, a shoulder supporting assembly worn on the shoulder and connected with the waist supporting assembly through a bandage, two back supporting assemblies symmetrically arranged on the two sides of the back and connected with the waist supporting assembly and the shoulder supporting assembly, and two power assisting devices symmetrically installed at the upper ends of the back supporting assemblies on the two sides. The two arm supporting assemblies are symmetrically worn on the two arms and connected with the supporting arms of the power assisting device. The lower end of the back supporting assembly is hinged to a fixing base of the waist supporting assembly, and the moving freedom degree of the back supporting assembly is increased. The power assisting device provides supporting force through pre-tightening force of an S-shaped volute spiral spring, the power assisting range is widened, and labor is saved during adjustment. The power assisting device is simple in structure, light in weight, good in wearing comfort and particularly high in movement freedom degree, and the power assisting size can be adjusted without tools.

The present invention discloses a chain tightening method for a scraper conveyor, which belongs to the field of scraper conveyors. The method is a chain tightening method using a torque-limited deceleration permanent magnet variable frequency drive system. The torque-limited deceleration permanent magnet variable frequency drive system includes a drive unit, a brake, a frequency converter and a controller. The drive unit includes a permanent magnet synchronous motor and a gear transmission unit with a deceleration setting. The method includes the following steps: S10, controlling the permanent magnet synchronous motor to rotate at a low speed through the frequency converter to drive the tail sprocket of the scraper conveyor to rotate and complete the chain lifting action; S20, using a brake to brake the entire drive unit; S30, releasing the braking torque of the permanent magnet synchronous motor, and powering off the frequency converter; S40, manually intervening to connect the chain and complete the chain tightening work. The present invention uses a brake to brake the entire drive unit during the manual intervention process, releases the torque of the permanent magnet synchronous motor, and powers off the frequency converter, which can ensure the absolute safety and reliability of personnel in the chain connection process.

The invention discloses a cooling liquid distribution device. The cooling liquid distribution device comprises a shell, a heat exchanger, a first input port, a first output port, at least one pumping assembly and a first power connector, the shell is provided with at least one opening. The heat exchanger and the at least one pumping assembly are arranged in the shell. The first input port and the first output port are connected with the heat exchanger. The at least one pumping assembly is partially exposed out of the housing through the at least one opening. The at least one pumping assembly is communicated with the first input port and the heat exchanger. The first power connector is arranged on the shell and used for receiving a direct-current power source. Therefore, the cooling liquid distribution device provided by the invention does not need to be additionally provided with an adapter to convert alternating current into direct current, so that internal components of the cooling liquid distribution device can be reduced, and the manufacturing cost is reduced.

The invention discloses a litsea cubeba essential oil preparation. The preparation is prepared by uniformly mixing a chitosan quaternary ammonium salt solution with the mass percent concentration of 1% and a litsea cubeba essential oil ethanol mixed solution according to the volume ratio of 1: 4, the volume ratio of the litsea cubeba essential oil to the absolute ethyl alcohol in the litsea cubeba essential oil and ethyl alcohol mixed solution is 2: 3. The prepared litsea cubeba essential oil preparation is good in dispersity and stability, the short-term and long-term bacteriostatic effects on aspergillus flavus both reach 100%, and the litsea cubeba essential oil preparation is obviously better than litsea cubeba essential oil or chitosan quaternary ammonium salt independently used, is also better than chitosan quaternary ammonium salt-litsea cubeba essential oil preparations of other formulas, is better than common mildew preventives in the market, and is suitable for industrial production. The preparation method is simple, non-toxic and harmless, does not pollute the environment, is low in production cost, is used for preventing or inhibiting the growth of the aspergillus flavus, and can reduce the damage of the aspergillus flavus to grains, nuts or wooden living goods and the like.

The utility model discloses a detachable simple underground water level observation device which is used for detecting the water level of underground water and comprises a shell structure and a detection structure, the detection structure is arranged on the shell structure and used for detecting the water level of the underground water, and the shell structure comprises a pointed-cone-shaped end and a filter pipe body arranged on the pointed-cone-shaped end. The extension pipe body is arranged on the filter pipe body, the measuring pipe body is arranged on the extension pipe body, and the shell structure is used for enabling the device to go deep into the ground. The detachable simple underground water level observation device is convenient to machine, few in device components, low in cost, easy and convenient to construct and capable of accurately observing underground water level changes in a foundation construction area at any time, so that the formal construction time of foundation engineering is determined; the problem that the water content, the compactness and the bearing capacity of the bearing layer of the foundation cannot meet the design requirements due to the fact that precipitation is not in place is solved, and the construction period of a project is guaranteed.

The present invention relates to an inner opening mechanism for a vehicle door, which comprises: a door interior panel assembly, which is provided with a matching hole; an inner opening handle base, which is installed on one side of the door interior panel assembly; and an inner opening handle, which is respectively located on opposite sides of the door interior panel assembly with the inner opening handle base, and the inner opening handle is installed on the inner opening handle base. The door interior panel assembly, the inner opening handle base and the inner opening handle are used to be assembled on a vehicle door sheet metal as a whole. By opening a matching hole on the door interior panel assembly, installing the inner opening handle on the inner opening handle base, passing the inner opening handle through the matching hole, and then installing the inner opening handle base on the back side of the door interior panel assembly, and finally fixing the entire inner opening mechanism to the vehicle door sheet metal, there is no need to use a screw plug cover to cover the screw, which reduces the matching gaps between the components, reduces the time required for screw tightening and screw plug cover installation, has lower cost, fewer components, and reduces the risk of abnormal noise.

The present invention belongs to the field of micro electroforming, and specifically relates to a debonding jig for thin-sheet micro electroforming parts, comprising a substrate, a film attached to the surface of the substrate, and a thin-sheet micro electroforming part placed in the film, and also comprising a cover plate, an upper strong magnetic ring, and a lower strong magnetic ring; the periphery of the lower surface of the cover plate is provided with positioning columns arranged at equal intervals; the side of the cover plate is provided with a clamping handle with a through hole; the top of the positioning column is provided with a positioning platform with a retaining edge; the substrate is placed on the positioning platform and the micro electroforming part on the substrate faces the cover plate; the upper strong magnetic ring and the lower strong magnetic ring are placed on the cover plate and the substrate respectively. The present invention can effectively ensure that the thin-sheet micro electroforming part can be laid flat on the cover plate without turning over or stacking after the film is removed, which greatly improves the light transmission observation efficiency of the film removal and the morphology observation efficiency of the thin-sheet micro electroforming part. The structure is simple, the installation and disassembly are convenient, the components are few, and it is easy to implement.

The utility model discloses a special fire preventing and extinguishing device for a battery pack of an energy storage cabinet, which comprises a medicament bottle valve group which comprises a medicament bottle body and a valve body assembly arranged at a bottle opening of the medicament bottle body; the valve body assembly comprises a bottle head valve and an electromagnetic pilot valve which are arranged at a bottle opening of the medicament bottle body; a plurality of spray heads are arranged on the medicament release pipeline; the bottle head valve comprises a valve body, a medicament outlet formed in the valve body, an output micropore, a piston, a reset spring arranged in the valve body and a valve body upper cavity formed between the reset spring and the inner wall of the valve body. The electromagnetic pilot valve comprises an electromagnetic coil, a pilot valve insertion core inserted in the electromagnetic coil, a Horsman plug and an electromagnetic pilot valve body. According to the special fire preventing and extinguishing device for the battery pack of the energy storage cabinet, a detection part does not need to be additionally arranged, and when high-temperature abnormity is detected by utilizing a BMS management system temperature detection function of the storage battery, a fire extinguishing agent in the fire preventing and extinguishing device is sprayed into the energy storage cabinet, so that automatic fire extinguishing is realized.

The embodiment of the utility model provides a mainboard packaging structure which comprises a paper board and a lining board, a containing groove is formed in the lining board, the paper board comprises a bending part and board parts arranged on the two opposite sides of the bending part, one side edge of the lining board abuts against the bending part, and the other side edge of the lining board abuts against the containing groove. The plate parts on the two sides of the bent part are folded up along the side edges of the inner lining plate to cover the first plate surface and the second plate surface of the inner lining plate respectively; a first inserting tongue is arranged on the plate part covering the second plate face of the lining plate, a first inserting groove matched with the first inserting tongue is formed in the second plate face of the lining plate, and the first inserting tongue is inserted into the first inserting groove to fix the lining plate. The mainboard packaging structure has the advantages that the number of assemblies is small, and assembling is easy; and the packaging does not need to be glued, so that the packaging is environment-friendly. And a handle and a fixing structure thereof are arranged, so that the mainboard can be prevented from falling off when being taken.

This invention discloses a Litsea cubeba essential oil preparation, which is prepared by mixing a 1% (w / w) chitosan quaternary ammonium salt solution with a Litsea cubeba essential oil ethanol mixture at a volume ratio of 4:1; the volume ratio of Litsea cubeba essential oil to anhydrous ethanol in the Litsea cubeba essential oil ethanol mixture is 2:3. The Litsea cubeba essential oil preparation prepared by this invention exhibits good dispersibility and stability, achieving 100% short-term and long-term antibacterial effect against Aspergillus flavus. This is significantly superior to using Litsea cubeba essential oil or chitosan quaternary ammonium salt alone, as well as other chitosan quaternary ammonium salt-Litsea cubeba essential oil preparations, and even more superior to commonly available antifungal agents. Its preparation method is simple, non-toxic, harmless, and does not pollute the environment. It has low production costs and can be used to prevent or inhibit the growth of Aspergillus flavus, reducing its damage to wooden household products.

The present invention discloses a multi-range capacitance measurement circuit and method based on constant current charging and discharging, and relates to the field of capacitance testing technology. The circuit includes: a power supply module, the output end of the power supply module is electrically connected to one end of the capacitance to be measured; a resistor shunt module, the input end of the resistor shunt module is electrically connected to the other end of the capacitance to be measured; an integration module, the input end of the integration module is electrically connected to the output end of the resistor shunt module; a sampling module, the input end of the sampling module is electrically connected to the output end of the integration module; a control module, which is electrically connected to the power supply module, the resistor shunt module, the integration module and the sampling module respectively; an adjustable window threshold comparison module, the first input end of the adjustable window threshold comparison module is electrically connected to the output end of the integration module, and the second input end of the adjustable window threshold comparison module is electrically connected to the control module. According to the circuit of the embodiment of the present invention, a multi-range capacitance test can be realized.

The invention provides a side leading-in type air duct system for a railway vehicle. The side leading-in type air duct system comprises an air duct body, an air inlet channel and air exhaust channels, wherein the air inlet channel is arranged at the top end of the air duct body and allows fresh air to enter, and the air exhaust channels are arranged on the two sides of the air duct body and used for guiding the fresh air into a passenger room.

The present invention discloses a rotating guide device for a classified trash can, and relates to the technical field of trash classification equipment. The rotating guide device for the classified trash can comprises a guide member and a power rotating device. The inlet of the guide member is used to be arranged below the outlet of a pre-storage place of the classified trash can. The power rotating device is used to drive the guide member to rotate and can rotate the guide member until the outlet of the guide member is located above and close to the opening of any sub-trash can. The present invention also discloses a classified trash can, and the classified trash can comprises a controller, the above-mentioned rotating guide device for the classified trash can and a plurality of sub-trash cans. The controller is electrically connected to the power rotating device. The controller can control the lower end of the bottom plate to rotate to above the opening of any sub-trash can, which can simplify the structure of the trash can, reduce energy consumption, and is suitable for household use.

Bioreactor (1) with a vessel (13), an end plate (11), a stirrer, a drive unit (15), at least one field device (50, 50a, 50b) arranged in an interior space (14), the field device having field device electronics and a data transmission unit arranged on the end plate (11), the data transmission unit having a motor head (40) which can be signal-technically coupled with an analysis unit and energy-technically coupled with the drive unit (15) and comprises motor head electronics, and at least one communication unit signal-technically coupled with the motor head (40), comprising an adaptation part (20, 20a, 20b) with adaptation electronics, the adaptation electronics being electrically connected with the field device electronics of the field device (50, 50a, 50b), the adaptation electronics and / or the communication electronics comprising a signal converter, and a communication part (20, 20a, 20b) with communication electronics, the communication electronics being electrically connected with the adaptation electronics and the motor head electronics, the adaptation part (20, 20a, 20b) and the communication part (20, 20a, 20b) being configured as separate, mutually couplable components, the motor head (40) being configured as a separate component which can be coupled with the communication unit.

The utility model relates to the technical field of power supply systems, in particular to a positive and negative bipolar multi-path adjustable power supply module, which comprises a multi-path single-path sub power supply system, a voltage output unit, a multi-free magnetic suspension micro-motion platform input unit, a direct-current power supply, a communication system and a personal computer (PC) industrial personal computer, the PC industrial personal computer is connected with the communication system; the communication system is connected with the multi-path single-path sub power supply system; the multi-path single-path sub power supply system is connected with the voltage output unit; the voltage output unit is connected with the multi-free magnetic suspension micro-motion platform input unit; the direct-current power supply is connected with the multi-path single-path sub power supply system; according to the utility model, when the voltage is synchronously controlled, the single-path voltage is adjustable, and power can be supplied to a plurality of loads of the magnetic suspension micro-motion platform at the same time; and the designed power supply module is simple in structure and low in cost.

The present invention discloses an assembled large-span cold-bent solid arch structure, including a rigid arch unit, a dense tie rod connection unit, and a non-dense tie rod connection unit. The rigid arch unit, the dense tie rod connection unit, and the non-dense tie rod connection unit are all made of steel. The dense tie rod connection unit and the non-dense tie rod connection unit connect the rigid arch unit to an integral structure through a specific connection node, and are all bolted during on-site installation. The present invention is an assembled structure, with no welding at the construction site, a short construction period, and easy control of construction quality; the structure is an arch structure, with clear force transmission, fewer components, small structural deadweight, large spanning capacity, saving steel, and high space utilization; there are few dead angles in the components, the workload of secondary rust removal and anti-corrosion is small, and the rust removal quality is easy to control, which has practical significance and good application prospects.

A glass bending test fixture includes a movable folding plate, a rotating structure, and side reference blocks. The rotating structure is symmetrically arranged on both outer sides of the movable folding plate along the Y-axis. The movable folding plate includes a left folding plate and a right folding plate. The side reference blocks are installed on one outer side of the right folding plate along the X-axis. The left folding plate has a left mounting portion on both outer sides along the Y-axis, and the right folding plate has a right mounting portion on both outer sides along the Y-axis. One end of the rotating structure is installed on the left mounting portion, and the other end is installed on the right mounting portion. The left and right folding plates are folded and unfolded through the rotating structure. This invention uses a rotating shaft to drive the left and right folding plates to achieve a 0° bending effect. After the fixture is unfolded, the left and right limiting blocks hold the left and right folding plates in place, thus limiting the fixture to 180°. It has the advantages of simple overall structure, good stability, simple operation, high work efficiency, and strong practicality.

The present invention belongs to the field of hydraulic components, and specifically relates to an integrated butterfly valve, which includes a valve body, a valve plate, a rotating shaft and a handle, wherein the valve body is provided with oil ports penetrating the two end faces of the valve body; the rotating shaft penetrates the valve body from the side of the valve body, and is supported in the valve wall of the valve body through the oil port; the valve plate is placed in the oil port and connected to the rotating shaft; the rotating shaft located outside the valve body is connected to the handle; the handle is provided with an upper part of a magnetic induction switch, and the side of the valve plate is provided with a lower part of a magnetic induction switch inductively connected to the upper part of the magnetic induction switch, and the lower part of the magnetic induction switch is connected to the signal of a mining dump truck controller; the end face of the valve body located on one side of the oil port is provided with mounting holes I and II; when the valve plate is perpendicular to the axial center line of the oil port, the butterfly valve is in a closed state. Before maintenance, the hydraulic oil tank and the components connected to the hydraulic oil tank are physically isolated to facilitate maintenance of the hydraulic system without draining the hydraulic oil in the hydraulic oil tank.