64results about How to "Reduce usage intensity" patented technology

The invention provides an electromagnet and friction composite disc type brake and a brake method. Both a steering knuckle and a brake caliper bracket are fixedly connected with an electromagnet brake fixing device, and the electromagnet brake fixing device is fixedly connected with magnet cores. The magnet cores are symmetrically arranged on the two sides of a brake disc, and coil windings are wound on the magnet cores. Permanent magnet bodies and the magnet cores are oppositely arranged, and air gaps are arranged between the permanent magnet bodies and the magnet cores. When an automobile brakes, electromagnet fields distributed on the axes of the coil windings are generated after the coil windings are electrified, and the directions of the electromagnet fields generated by the coil windings on the two sides of the brake disc are consistent. The permanent magnet bodies rotate 90 DEG, the directions of the permanent magnet fields of the permanent magnet bodies are consistent with the directions of the electromagnet fields of the coil windings, and the brake disc is braked by the superposition of the electromagnet fields and the permanent magnet fields. The size of the brake force is adjusted by adjusting the different rotating angles of the permanent magnet bodies or the size of electrifying current in the coil windings. The action time of the brake is shortened, the brake efficiency is enhanced, the use strength of the friction brake is reduced, the abrasion of brake pads is alleviated, and the brake force is easy to control.

The present invention relates to an apparatus for continuously laying a pipeline on the floor of a body of water from a pipelaying vessel, said apparatus comprising: a generally cylindrical reel with an axis upon which the pipeline is wound, a stinger provided at the stern of the vessel for guiding the lowered pipeline, launch means for the controlled lowering of the pipeline over the stinger of said vessel and into the body of water. This apparatus further comprises a frame supporting the reel and the launch means, adapted to be moveable with respect to the vessel in the longitudinal direction of the pipeline, and a tension device to be mounted between the frame and the vessel, adapted to control the pipeline tension in a predetermined tension range during pipelaying.

The invention discloses a coupling compound moulded coal binder and a preparation method thereof. The coupling compound moulded coal binder is a mixture prepared by mixing bentonite, tackifier, sodium carbonate, kaolin and sodium humate; the mixture comprises the following components in parts by weight: 350-600 parts of the bentonite, 45-55 parts of the tackifier, 3-5 parts of the sodium carbonate, 280-320 parts of the kaolin and 100-125 parts of the sodium humate; the tackifier is prepared by smashing 10-15 parts by weight of polyacrylate, 5-10 parts by weight of acrylamide, 3-5 parts by weight of cellulose, 20-25 parts by weight of cassava stalk, 3-5 parts by weight of modified starch and 0.2-0.5 part by weight of cross-linking agent into 50-100 meshes, and mxing the smashed materials. The preparation method comprises the following steps: preparing the tackifier, stocking, pretreating parts of the components, mixing, stirring and the like. The moulded coal binder has favorable waterabsorbtion performance, the moisture of an extruded and shaped coal bar is quickly evaporated and is easy to dry, thus solving the problems of high raw coal moisture, difficult moulded coal production and low shaping rate in rainy days in the south of China.

The invention provides an order delivery method and a device thereof. The order delivery method comprises the steps that order information and the flight information of an unmanned aerial vehicle can be received in real time, wherein the order information comprises an order number, a delivery place and a landing place, and the flight information of the unmanned aerial vehicle comprise the flight status and the flight route of the unmanned aerial vehicle; the order delivery status is displayed according to the order information and the flight information of the unmanned aerial vehicle, wherein the order delivery status comprises non-delivery, machine delivery, human delivery and completed; after the landing information of the unmanned aerial vehicle is received, the order delivery status switches from machine delivery to human delivery; and after a customer sign in confirmation request in the order information is received, the order delivery status switches from human delivery to completed.

The invention discloses an automatic delivery system for high-rise buildings, which includes a delivery track, a delivery trolley, a delivery box and a control system; the delivery track includes a main rail and an auxiliary rail; the main rail is installed vertically along the wall of the building, There are corresponding attached rails on each floor; there is also a transition rail between the main rail and the attached rail, which is connected by a rail changing device. The rail changing device enables the two ends of the transition rail to be connected / detached from the main rail and the attached rail respectively; The delivery trolley is connected to the delivery track and walks on the delivery track under the action of the driving device; the delivery box is connected to one end of the main track for the courier or the delivery robot to store and pick up the pieces; the control system includes control The center and the main rail part, accessory rail part, track changing part and delivery part connected to it; solve the problem of the last "100 meters" of logistics; facilitate the receiving and dispatching of the receiving personnel and delivery personnel; the high-rise building automatically delivers goods The system has a simple structure and convenient operation, which improves the delivery efficiency of the automatic delivery system for high-rise buildings.

The invention discloses a steam brush adjustable in head posture and suitable for comfortable ironing and belongs to clothes ironing equipment. During horizontal ironing of a steam brush in the prior art, the operation strength of the arm and the wrist is high, and fatigue is likely to be generated. Through the arrangement that the posture of a panel on the head of the steam brush can change, during use, the panel is in contact with ironed clothes, the posture of the panel can change with the help of force fed back by the clothes, therefore, it is not needed to adjust the whole steam brush to be excessively inclined to be in a proper posture, use convenience is improved, the operation strength of the arm and the wrist is reduced, and fatigue is relieved. The angle of the steam brush can be automatically adjusted according to an ironing surface regardless of hanging ironing or flat ironing, and the change rotating frequency of the arm and the wrist of the user is reduced. The purpose of reducing use intensity is achieved finally.

Embodiments of the disclosure disclose a method, apparatus and system for switching a base station, and belong to the technical field of communications. The method includes: receiving, through an S1 interface, a Handover Request message sent by a mobility management entity (MME) to which the device is connected, where the Handover Request message carries over-high temperature indication information of UE; sending a Handover Request Acknowledge message to the MME through the S1 interface, so that the MME sends a Handover Command message to a source base station of the UE; after receiving a random access request sent by the UE, setting transmission configuration information for the UE based on the over-high temperature indication information of the UE, where the data transmission rate corresponding to the transmission configuration information after the setting is performed is lower than the maximum data transmission rate that the device can provide for the UE; and sending business datato the UE based on the transmission configuration information. Through the disclosure, the possibility of business interruption can be reduced.

The invention discloses a composite anti-lock brake system for an electric automobile and a brake control method. The composite anti-lock brake system integrates the electric automobile motor regeneration brake, electromagnetic brake and belt type brake. The brake system carries out real-time control through being matched with a three-section type brake pedal according to the actual operation state of the electric automobile in the work sequence of the motor regeneration brake, the electromagnetic brake and the belt type brake, the automobile speed and the speed deceleration of the electric automobile are controlled, the running safety of the electric automobile is ensured, the driving intention of a driver is realized, and in addition, the brake energy recovery can be realized. Through the reasonable setting of the brake control method, the abrasion of a brake friction block can be reduced, the brake noise and the heat can be reduced, in addition, the brake anti-lock function of a conventional automobile brake system can be realized, and the running safety of the electric automobile is improved.

The invention relates to a combination packing box used for motorcycles, comprising a box cover, a box body and a chassis. Wherein, the box body is composed of a front end plate, a back end plate, a left side plate and a right side plate. The upper end of the box body is connected with the box cover while the lower end is connected with the chassis. The box cover, box body and chassis all appears beehive paper board formed by two pieces of cardboard between which the beehive paper is clamped. Outer paper corner beads and inner paper corner beads are adhered on the vertical edges at the ends of the end plates of the box body to form the paper corner-protecting body of right-angle slot style, and one end of the right-angle slot style paper corner-protecting body which links the side plates appears as the slot structure and the corresponding side plates are inserted into the slot. Then the front end plate, back end plate, right side plate and left side plate are connected mutually to form the box body. The combination packing box adopts the block combination style on structure and the box body is formed by inserting and connecting beehive paper boards with compact structure and proper intensity so as to reduce cost and prolong the service life while guaranteeing the intensity; and the processing is easy and both assembling and disassembling are convenient; not only the integrity appearance of the packing box is elegant but the environment protection requirement can be realized; and the application prospect of the combination packing box is prosperous.

The invention relates to a stress breaking process of an automatic spring coiler for spring wires, after a spring wire is formed on the automatic spring coiler, a tool is used at a position where a spring is to be cut off to process at least one stress concentration point for the spring wire, and external breaking force that is inward is applied to the outer periphery of the spring or external breaking force that is outward is applied to the inner periphery of the spring such that the spring wire breaks at the stress concentrating points. The process prevents end collision and enables stability of operation, improved processing precision and production efficiency of the automatic spring coiler and greatly reduced production cost of coil springs, the bottleneck problem in the wide application of spring wires such as high-hardness spring wires and deformed spring wires is solve, and the process of coiling high-hardness spring deformed wires by the automatic spring coiler is turned into a stable and reliable process.

The invention provides an opening frame structure and refrigeration equipment. The opening frame structure comprises an opening frame body and a middle beam which is integrally connected with the opening frame body, and an anti-condensation pipe is installed on the middle beam. The opening frame structure is assembled at the opening end of a box container of the refrigeration equipment, and foaming is conducted after the opening frame structure and the box container are assembled. According to the technical scheme, the middle beam and the opening frame structure are integrally connected, so that the middle beam is installed on the box container before conducing foaming, accordingly, the anti-condensation pipe can be easily and directly installed on the middle beam, the situation that in the prior art, the middle beam is installed on the opening frame structure of the box container after box container foaming is conducted, and the anti-condensation pipe is difficult to directly install on the middle beam is avoided, and the installing efficiency is improved; in addition, heat dissipated by the anti-condensation pipe is used to evaporate condensation water condensed on the middle beam, and the problems of icing and moisture condensation of the middle frame are solved; and compared with an anti-condensation middle beam with a heating wire, more energy consumption is reduced through the scheme, and the using cost is reduced.

The invention provides a chassis assembling fixture. The chassis assembling fixture comprises a base frame which is used for assembling a chassis of a box car. The base frame includes a first base frame body used for assembling the chassis of an open wagon and a second base frame body which is detachably connected with the first base frame body. The first base frame body is longer than the second base frame body. The first base frame body and the second base frame body each comprise two parallel I-beams which are arranged in a spaced mode. A plurality of connecting plates are evenly arranged between the two I-beams of each base frame body. The base frame is fixedly provided with end beam assembling assemblies, a middle beam assembling assembly, bolster beam assembling assemblies and cross beam assembling assemblies. According to the chassis assembling fixture provided by the invention, the first base frame body and the second base frame body detachably connected with the first base frame body are arranged, so that the application range of the chassis assembling fixture is effectively enlarged, that is, the first base frame body is applicable to assembling of the chassis of the open wagon, and the overall base frame is applicable to assembling of the chassis of the box car; accordingly, the practicality of the chassis assembling fixture is improved, and meanwhile the use stability and reliability of the chassis assembling fixture are also improved.

The invention provides an electromagnet and friction composite disc type brake and a brake method. Both a steering knuckle and a brake caliper bracket are fixedly connected with an electromagnet brake fixing device, and the electromagnet brake fixing device is fixedly connected with magnet cores. The magnet cores are symmetrically arranged on the two sides of a brake disc, and coil windings are wound on the magnet cores. Permanent magnet bodies and the magnet cores are oppositely arranged, and air gaps are arranged between the permanent magnet bodies and the magnet cores. When an automobile brakes, electromagnet fields distributed on the axes of the coil windings are generated after the coil windings are electrified, and the directions of the electromagnet fields generated by the coil windings on the two sides of the brake disc are consistent. The permanent magnet bodies rotate 90 DEG, the directions of the permanent magnet fields of the permanent magnet bodies are consistent with thedirections of the electromagnet fields of the coil windings, and the brake disc is braked by the superposition of the electromagnet fields and the permanent magnet fields. The size of the brake forceis adjusted by adjusting the different rotating angles of the permanent magnet bodies or the size of electrifying current in the coil windings. The action time of the brake is shortened, the brake efficiency is enhanced, the use strength of the friction brake is reduced, the abrasion of brake pads is alleviated, and the brake force is easy to control.

The invention relates to an orientation adjusting device for mine drilling and an adjusting method thereof. The orientation adjusting device comprises a main body assembly, wherein the main body assembly comprises a fixing column, a connecting block, a base, a plate body, a fixing block, a sliding rod, a lifting assembly, a drilling assembly and a switch assembly. A third motor drives a first connecting shaft to rotate, the first connecting shaft drives a first gear to rotate, the first gear drives a second gear to rotate in a bearing through a second connecting shaft, the second gear drives asupporting plate to rotate through a first rod body, the plate body is driven to rotate through a second rod body, the drilling assembly and the lifting assembly are driven to rotate through the fixing column and the connecting block, and a drilling position is adjusted and positioned. When drilling is needed, the connecting block is driven to move downwards under the action of a screw rod, a drill rod drives a drill bit to be close to the drilling position, the drill bit is flexibly adjusted effectively for drilling according to surrounding points needing drilling, the horizontal and vertical positions of a drilling machine do not need to be manually adjusted, and the use intensity of workers is reduced.

The invention discloses a resource recovery route planning method. The method comprises the following steps of 1, obtaining a user order, 2, generating an order information multi-dimensional matrix, 3, obtaining weights by integrating road conditions, time, distances and weights, 4, forming a weighted connection graph Z by points to be recovered, 5, obtaining the minimum spanning trees Z1 and Z6 according to a KRUSKAL algorithm, and taking the minimum spanning trees Z1 as the generated recovery paths. The method has the advantages of low recovery cost, high recovery efficiency, low road use intensity and high user satisfaction degree.

The invention relates to a low-pressure wireless hair dryer. The low-pressure wireless hair dryer comprises an air cylinder and a handle, wherein the air cylinder is communicated with an inner cavityof the handle, the air cylinder is internally provided with a heating part, the heating part comprises a heating element, the heating element is made from a flexible material, and electro-thermal conversion can be achieved under a low voltage condition; the handle is internally provided with a circuit control board and a battery, the heating element and the battery are connected with the circuit control board separately, and the battery supplies power to the heating element through the circuit control board. The low-pressure wireless hair dryer can work under low voltage, has high safety performance, is not restricted by the use environment, and is convenient to store and use.

The invention discloses a food cutter and a manufacturing method thereof and belongs o the field of cutter machining. The food cutter comprises a cutter body and a cutter blade. The cutter body and the cutter blade form a food cutter body. The cutter body comprises a mounting portion located at one end of the cutter body. The profile of the cutter blade is in an arc shape and is a single-face arc-shaped blade. The arc-shaped blade comprises a toothed blade end and a non-toothed blade end. The toothed blade end and the non-toothed blade end are connected to form a cutter blade body. The side, not connected with the non-toothed blade end, of the toothed blade end is connected with the mounting portion. The food cutter can be used for cutting food smoothly and uniformly, food does not stick to the cutter, abrasion of the cutter blade edge is small, the service life is long, the manufacturing method of the food cutter is easy and convenient to implement and combined with practical production, and manufacturing is easy.

The invention discloses a freight vehicle speed control system and method. The system comprises a vehicle-mounted controller, an engine power device management module, a rotating speed sensor, a vehicle-mounted gyroscope, a voice prompt device, and a radar sensor disposed at the front end of a vehicle, wherein the engine power device management module, the rotating speed sensor, the vehicle-mounted gyroscope, the voice prompt device and the radar sensor are connected with the vehicle-mounted controller. The running speed and the running horizontal state of a vehicle are obtained in real time,meanwhile, the vehicle speed is controlled by adjusting fuel supply of an engine in combination with obstacle information in front of the vehicle, it is ensured that the vehicle speed is kept at the optimal economic vehicle speed to the maximum extent, and the use frequency and strength of a brake device are reduced through long-distance fuel cut-off sliding; and therefore, the stability of the efficiency of a braking system is ensured, and the driving safety of the vehicle is improved. The vehicle driving state is obtained through the vehicle-mounted gyroscope, so that the current road gradient can be effectively judged, road auxiliary information is provided for a driver, a safe driving environment is provided for a truck, fatigue caused by long-term driving is effectively reduced, and driving safety is improved.

The invention discloses a novel packer. The novel packer is installed in a sleeve and comprises an upper center pipe, the outer side of the upper center pipe is sequentially sleeved with an upper rubber cylinder driving ring and an upper rubber cylinder from top to bottom, a connecting thread is arranged on the outer side of the bottom end of the upper center pipe, a lower center pipe is connected to the outer side of the bottom end of the upper center pipe through the connecting thread, the outer side of the lower center pipe is sequentially sleeved with a lower rubber cylinder driving ring and a lower rubber cylinder from top to bottom, a connecting thread is arranged on the outer side of the bottom end of the lower center pipe, a lower connector is connected to the outer side of the bottom end of the lower center pipe through the connecting thread, a connecting thread is arranged on the outer side of the bottom end of the lower connector, and a lower plug is connected to the outer side of the bottom end of the lower connector through the connecting thread. According to the novel packer, two or more sets of independent working rubber cylinders are adopted, each set of rubber cylinders does not share one power source part any more and is independently matched with a special power assembly, two sets of rubber cylinder setting sets with the targeted performance and the different performance under power cooperation are formed, and the setting requirement of a deep well under the high pressure can be met.

The invention provides a construction waste recovery device based on electromagnetic conversion, and relates to the technical field of construction waste recovery. The construction waste recovery device based on electromagnetic conversion comprises a stone crusher, wherein the top end of the stone crusher is rotationally connected with a winding wheel through a supporting rod, the left side of thetop end of the stone crusher is rotationally connected with a hopper; a steel wire rope is connected between the bottom of the left side of the hopper and the winding wheel; a supporting frame is arranged at the bottom of the hopper; and a separation box is arranged on the right side of the stone crusher. According to the construction waste recovery device based on electromagnetic conversion, construction waste can be crushed, so that the loading of the construction waste is facilitated, the loading capacity of a transport vehicle for the construction waste at a time is increased, the transportation cost is reduced, metal substances in the construction waste can be separated and collected, the difficulty of subsequent transportation and treatment is reduced, the idle work of crushing thegarbage with small particles is avoided, and the use intensity of the device is reduced.

The invention discloses a composite anti-lock brake system for an electric automobile and a brake control method. The composite anti-lock brake system integrates the electric automobile motor regeneration brake, electromagnetic brake and belt type brake. The brake system carries out real-time control through being matched with a three-section type brake pedal according to the actual operation state of the electric automobile in the work sequence of the motor regeneration brake, the electromagnetic brake and the belt type brake, the automobile speed and the speed deceleration of the electric automobile are controlled, the running safety of the electric automobile is ensured, the driving intention of a driver is realized, and in addition, the brake energy recovery can be realized. Through the reasonable setting of the brake control method, the abrasion of a brake friction block can be reduced, the brake noise and the heat can be reduced, in addition, the brake anti-lock function of a conventional automobile brake system can be realized, and the running safety of the electric automobile is improved.

The invention relates to an axle gear box of a material transport cart. The axle gear box comprises a box body. A primary reducing mechanism is arranged in the box body and comprises a gear I and a gear II engaged to each other. The gear I is mounted on an axle of a walking wheel of the material transport cart in a sleeving manner, the gear II is mounted on a middle shaft, a gear III is also mounted on the middle shaft in a sleeving manner, the gear III is engaged to a gear IV, the gear IV is mounted on an input shaft in a sleeving manner, the gear III and the gear IV form a secondary reducingmechanism, the gear IV is also connected to a gear shifting mechanism, the gear shifting mechanism also comprises a shift detecting and locking device. The axle gear box has the advantages and effects that the axle gear box is compact in spatial structure and light in weight (totally about 500 KG); the welding box body is thin in wall and good in heat dissipating performance; and the axle gear box can be mounted in a similar product which is lower than the material cart in using strength, wherein the self-driving speed is 0-10 km / h and the coupling operation speed is 120 km / h.

The invention discloses an order delivery method, an order delivery device, and a computer readable medium. The order delivery method comprises the following steps: after the order information of a user is received, the order information is displayed in a non-order taking status bar; after order taking operation of a merchant is received, the order taking information is reported, and the order information is adjusted to be in a non-delivery status bar; and after the operation that the merchant completes loading and take-off is ready, the loading completion and ready take-off information is reported, and an unmanned aerial vehicle is notified to take off for delivery. Thus, effects of improving the order delivery efficiency and improving the user experience are realized.

A wind turbine rotor (108) includes a first portion (160) of a shaft (134) fabricated from a first steel alloy having a first strength property value. The wind turbine rotor also includes a second portion (170) of the shaft fabricated from a second steel alloy having a second strength property value. The first strength property value is greater than the second strength property value. The second portion of the shaft is welded to the first portion of the shaft.

The invention provides an efficient multi-stage braking mechanism. The efficient multi-stage braking mechanism comprises a shell, a plunger sleeve, a plunger and a hydraulic control unit. The plungersleeve is arranged on the shell and is fixed to or reciprocates relative to the shell. The plunger is arranged on the plunger sleeve and reciprocates relative to the plunger sleeve. At least one firstchannel is arranged on the side wall of the plunger sleeve. A locking body reciprocating relative to the first channel is arranged in the first channel. The hydraulic control unit is connected with asecond oil cavity formed between the plunger and the plunger sleeve, and is also connected with a first oil cavity formed among the plunger sleeve, the shell and the locking body. The failure mode, the first active mode and the second active mode are achieved by adjusting the communication relationship between each oil cavity and a low-voltage source and a high-voltage source. The mechanism is compact in size and high in reliability. Compact mounting of an engine and other requirements such as using original gas distribution mechanism spare parts as much as possible are realized and met by replacing some spare part of the original gas distribution mechanism. Multi-stage braking of the engine and ultra-low-cost upgrading of products are realized. The mechanism is very beneficial to productpopularization and application.

The invention discloses an energy-saving and environmentally friendly advertisement displaying device. A solar electric panel is fixed to an installing frame, a control panel is arranged at the head end of the installing frame, and the installing frame is fixed to the top end of a box body; a box door is installed at the head end of the box body, a hinge is arranged between the box door and the box body, and a handle is installed on the box door; a supporting frame is installed on the lower surface of the box door, the section of the supporting frame is rectangular, and a partition plate is arranged in the installing frame; a power supply chamber is formed at the upper end of the partition plate, a through hole and a curtain opening are formed in the lower end of the partition plate, and an air inlet is formed in the lower surface of the installing frame; two display screens are installed in the box body, through holes are formed in the upper and lower ends of the box body, and a motoris fixed to the inside of the installing frame. The device has good heat dissipating and displaying functions.

The invention discloses a flexible uninterruptible power supply device, which comprises an AC bus, a DC bus, a first switch, a DC-AC converter, a storage battery pack, a first DC-DC converter, at least one second DC-DC converter, a second switch and a third switch. One end of the first switch is connected with a mains power network, and the other end is connected with the AC bus. Two ends of the DC-AC converter are electrically connected with the DC bus and the AC bus respectively; the input end of the first DC-DC converter is electrically connected with the storage battery pack through the second switch, and the output end is electrically connected with the DC bus; the input end of the second DC-DC converter is used for connecting a renewable resource power generation device, and the output end is electrically connected with the DC bus. One end of the third switch is electrically connected with the AC bus, and the other end is electrically connected with an internal-combustion enginegenerator. And the storage battery pack only supplies power to the electrical load within limited time, so that the purpose of protecting the storage battery pack is achieved, and the use cost is reduced.

The invention discloses a water purifying filtering element. According to a key point of the technical scheme, the water purifying filtering element comprises a filtering element shell, wherein the top end and the bottom end of the filtering element shell are respectively provided with a water inlet end and a water outlet end, a filtering element assembly is arranged in the filtering element shell, and the filtering element assembly successively comprises a filtering layer I, a filtering layer II, a filtering layer III, a filtering layer IV and a filtering layer V from top to bottom; and the filtering layer I is formed by sulfurous acid particles, the filtering layer II is formed by a PP cotton material, the filtering layer III is formed by an AST mixed material, the filtering layer IV isformed by a softened resin material, and the filtering layer V is formed by a rear-mounted active carbon material. The invention aims at providing the water purifying filtering element, which can fundamentally improve the water quality, and achieves a purpose of enabling the water to be directly drunk.

The invention discloses a material transportation truck axle gear box. The material transportation truck axle gear box comprises a box body, a first-grade speed reducing mechanism is arranged in the box body and comprises a gear I and a gear II which mesh with each other, an axle of a material transportation truck walking wheel is sleeved with the gear I, the gear II is installed on an intermediate shaft, the intermediate shaft is sleeved with a gear III, the gear III meshes with the gear IV, an input shaft is sleeved with the gear IV, the gear III forms a second-grade speed reducing mechanism, the gear IV is a gear shifting gear and is connected with a gear shifting mechanism, and the gear shifting mechanism is connected with a gear position locking device. According to the material transportation truck axle gear box, the space structure is compact, and the axle gear box weight is low and is totally about 500 KG; a welding box body is thin in box wall and good in heat dissipation performance; and the material transportation truck axle gear box can be installed on a same-kind product of which the using strength is lower than a material truck, the self-propelling speed is 0-10 km / hand the coupling running speed is 120 km / h. Gear shifting is conducted by adopting a gear shifting fork and oil cylinder integration mode in the compact internal space, and the space position is exerted to the limit.

The invention discloses a method for automatically counting by concentrating through a filter membrane, which comprises the following steps: sampling ship ballast water on site; adopting a bio-filter, and filtering on site to obtain a concentrated water sample; performing vacuum filtration on the concentrated water sample by adopting a filter, wherein the thickness of the filter membrane of the filter is 10 mu m, the apertures are 10 mu m and the dimension of the apertures is consistent, and the filtering time is about 15 minutes; after filtering, arranging the filter membrane under a microscope for microscopic imaging; splicing images of a local area photographed by the microscope by using a work station and software for counting; automatically counting by using the software, automatically counting the number of objects with the dimension more than or equal to 50 mu m in the spliced images by using the automatically image counting function, and comparing the images with biological indicators of living bodies of the ballast water; and after automatically counting by using the software, counting the number of living beings through naked eyes by a detector when the living bodies exceed the indicators. The method has the advantages of higher accuracy, short time and low workload.