27results about How to "Solve support problems" patented technology

The present invention discloses an air-suction seeding device, including a seeding device housing, a built-in fan, a driving motor, a transmission intermediate wheel, a transmission internal gear, a transmission intermediate wheel bearing, a closed-wind grinding block assembly, a seeding disc and a seeding device cover. The air-suction seeding device described in the present invention has a shaftless design for the seeding device and a built-in fan. The seeding device housing is both a bellows of the fan and a negative pressure chamber of the seeding device. The motor directly drives the inner gear ring, so that it has a deceleration function. The air-suction seeding disc adopts a cup cover structure and is installed without a shaft. The seeding disc can seed forward and sideways, which solves the problem of matching with a CNC seeding host. The whole machine is easy to repair and maintain, the sowing mode is easy to change, the adaptability to the size and specific gravity of the seed grains is strong, and the advantages of reducing seed grain breakage and reducing the missed sowing rate are improved. The efficiency of farmland operations is improved, and the increase in crop yield and income is achieved, which is of great significance to the development of large-scale high-precision agriculture.

The invention provides a soft rock roadway large deformation control method, and relates to the technical field of soft rock roadway supporting, and the method comprises the following steps: carrying out a crustal stress test, obtaining a crustal stress distribution rule of a roadway area, and analyzing the relationship between roadway arrangement and a crustal stress field, and the influence of crustal stress on roadway surrounding rock stress distribution; based on a ground stress test result, an anchor net cable, sprayed concrete, U-shaped shed and inverted arch active support system is constructed; according to the method, a series of stress tests and other studies are carried out, a series of relations between crustal stress distribution rules and a coal rock mass structure are obtained, an original passive supporting mode of anchor net and shed erecting is adjusted into active supporting of anchor net cable, concrete spraying, U-shaped shed and inverted arch, efficient cooperative control among different supporting measures is achieved, and the supporting effect is good. The supporting system and the supporting characteristic curve are adapted and matched with the deformation activity state of the surrounding rock, the self-bearing capacity of the surrounding rock and the supporting capacity of the supporting system are exerted to the maximum extent, and the purpose of maintaining the stability of a roadway is achieved.

The invention relates to a construction method for excavation, grouting and pre-reinforcement of a deep foundation pit close to an operating sewage pipe, a newly-added inner supporting device is researched and developed, a fixing frame is hung on installed inner supporting I-shaped steel, a rotating body and a telescopic rod are arranged at the lower end of the fixing frame, the problems of positioning and temporary placement of the newly-added inner supporting device are solved, and multi-dimensional inner supporting adding is achieved; a foundation pit water level dynamic balance technology is provided, a hydraulic sensor is pre-buried in a dewatering well in a pit, it is ensured that the water level in the foundation pit is kept within a certain range, and the safety of foundation pit excavation construction is improved; a local adding diagonal bracing structure is researched and developed, by arranging the prefabricated concrete pier, the problem of local adding of inner bracing retaining is solved, and the stability of the supporting structure is improved; the lateral grouting technology is provided, the lateral grouting holes are formed in the newly-added stand columns and the steel sheet piles, multi-angle grouting is achieved, the defects of vertical grouting are overcome, and the stability of soil around the sewage pipe is enhanced.

The utility model is suitable for the technical field of pet supplies, and provides a pet feeder which comprises a main body part, a food basin assembly, a weighing unit and a limiting piece. The weighing unit is arranged on the grain basin assembly, and the grains in the grain basin assembly are weighed through the weighing unit. A grain basin inserting groove is formed in the bottom of the grain basin assembly, at least part of the limiting piece is connected to the main body part, and the limiting piece is further provided with a first inserting part. When the grain basin assembly is used, the first inserting part can be inserted into the grain basin inserting groove from bottom to top, and the grain basin assembly and the main body part are connected and fixed through inserting matching of the first inserting part and the grain basin inserting groove. The outer wall of the first inserting part and the inner wall of the grain basin inserting groove are arranged at intervals in the vertical direction, the situation that the grain basin assembly is supported by the first inserting part in the vertical direction is avoided, then the situation that the measurement result of the weighing unit is affected due to the fact that the stress of the grain basin assembly is dispersed after the grain basin assembly is supported is avoided, and weighing measurement is more accurate.

The utility model discloses a heavy eave hilly top roof overhanging structure formwork supporting system which comprises a plurality of main supporting steel beams located at a roof overhanging position, a formwork supporting frame and a roof overhanging structure formwork, the main supporting steel beams are distributed in parallel along the horizontal plane, one end of each main supporting steel beam is fixedly connected with a top floor, and the other end of each main supporting steel beam is fixedly connected with the formwork supporting frame. The other ends of the main supporting steel beams extend to the outer portion of the top floor and are distributed in an overhanging mode. A plurality of auxiliary supporting steel beams perpendicular to the main supporting steel beams are arranged at the positions, above the cantilever ends, of the main supporting steel beams, the formwork supporting frame is arranged above the auxiliary supporting steel beams, the roof cantilever structure formwork is fixed to the top of the formwork supporting frame, and a scaffold of a double-row outer frame structure is erected on the outer side of the formwork supporting frame. The lower portion of the scaffold is connected with the main supporting steel beam. The formwork supporting device is simple in structure, low in erecting difficulty and high in safety, and the formwork supporting problem of cantilever structures of multi-layer, high-layer and small high-layer roofs is solved.

This utility model discloses a prefabricated reinforced concrete frame structure with steel component connections, belonging to the field of prefabricated building construction technology. Addressing the problems of cumbersome formwork support in traditional cast-in-place frames and the unreliability and partial need for formwork support in existing prefabricated joint connections, this structure includes precast columns, precast main beams with or without corbels, precast secondary beams, composite ribbed composite slabs, and column-to-column connection embedded parts. Rigid beam-column connections are achieved through T-shaped steel corbels, channel steel corbels, steel embedded parts components, and rebar bolt connectors. Grouting sleeves of the column-to-column connection embedded parts connect the longitudinal reinforcement of the upper and lower columns. Steel clips on the composite ribbed composite slabs are engaged and positioned with the main beams, and the precast layer serves as the bottom formwork. This structure achieves a completely support-free and formwork-free process, continuous force transmission at joints, strong seismic resistance, factory prefabrication ensuring quality, high on-site assembly efficiency, reduced construction waste, adaptability to multiple scenarios, and ease of modification. It is suitable for frame buildings such as residential and office buildings.

The utility model belongs to the technical field of condensers, and particularly discloses a high-fin tube bundle condenser which comprises a condenser body, tube boxes are fixedly connected to the two ends of the condenser body, each tube box is provided with a tube pass inlet and a tube pass outlet, the condenser body comprises a tube plate, a shell, a condensing tube and a supporting plate, the condensing tube is a high-fin tube, and the supporting plate is provided with a tube pass inlet and a tube pass outlet. A shell pass inlet and a shell pass outlet are formed in the shell; the pipe plates are connected to the two ends of the shell, the pipe plate on one side is fixedly connected with a pipe spacer, the pipe spacer penetrates through the supporting plate, the other end of the pipe spacer is in threaded connection with a pull rod, and the pull rod penetrates through the supporting plate and is fixedly connected to the supporting plate through a fastening nut. A supporting cylinder is fixedly connected to the supporting plate, the condensation pipe penetrates through the supporting cylinder, and the end of the condensation pipe is connected to the pipe plate. The high-fin tube can be stably supported through the supporting cylinder, so that the supporting problem of the high-fin tube in equipment is solved, the stability of the condenser tube is improved, the operation safety of the equipment is improved, and the service life of the equipment is prolonged.

This utility model discloses a mold for manufacturing composite floor slabs, relating to the technical field of building component production equipment. It includes a base with legs fixed to its upper end. Support plates are connected to the upper ends of the four legs. A forming hole is provided in the middle of the support plate, and a demolding component is provided at the forming hole. A side mold structure is provided above the forming hole. The side mold structure includes first side plates positioned at opposite ends of the forming hole and located above it. A second side plate is positioned between the ends of the two first side plates. Each end of the first side plate has a locking slot, and the ends of the second side plate are respectively engaged inside the two locking slots. In this utility model, the positioning pin cooperates with the positioning hole, and the locking block engages with the locking groove, improving the positioning accuracy and stability of the side mold. The electromagnetic vibrator can compact the concrete, eliminate air bubbles, and facilitate demolding. The hydraulic push rod drives the support plate for convenient demolding. The positioning groove prevents stones from supporting the reinforcing mesh, ensuring the quality of the composite floor slab pouring.

The invention discloses a low-cost thermally enhanced gallium nitride Schottky barrier diode and a preparation method thereof. The low-cost thermally enhanced gallium nitride Schottky barrier diode comprises a transmission layer; the drift layer is arranged on the lower surface of the transmission layer; the positive electrode is arranged in the middle area of the lower surface of the drift layer; the negative electrode is arranged in the middle area of the upper surface of the transmission layer; the first dielectric layer is arranged on the lower surface of the residual drift layer and the side wall and part of the lower surface of the positive electrode; the second dielectric layer is arranged on the upper surface of the remaining transmission layer and the side wall and part of the upper surface of the negative electrode; one part of the positive electrode thickening layer is arranged on the lower surface of the first dielectric layer and the lower surface of the remaining negative electrode, and the other part of the positive electrode thickening layer is exposed out of the first dielectric layer; the heat dissipation substrate is arranged on the lower surface of the positive electrode thickening layer; the negative electrode thickening layer is arranged on the upper surface of a part of the second dielectric layer and the upper surface of the remaining negative electrode. According to the gallium nitride Schottky barrier diode, the gallium nitride Schottky barrier diode with the full-vertical structure, which has larger forward current and higher heat dissipation capability, is realized.

The utility model provides a kind of cable reel damper, it is related to cable reel damper technical field, including cable rack, the front of cable rack is equipped with the cable reel of circular and symmetrical installation, and the back of cable reel extends to the inside installation damper body, further inside the installation rotating bearing of damper body, and inside rotating bearing extends and is equipped with the rotating shaft of the cable reel of installation, and in the end of rotating shaft away from rotating bearing and located the inside installation ball bearing of cable reel, the end of rotating shaft and away from ball bearing is equipped with support block in the periphery, and support roller is installed in the bottom of support block, the utility model is designed, the both ends of cable reel can be effectively supported, to effectively prevent its one end from gravity tilt and pry damper, cause damper damage.

The invention is used for the technical field of yarn winding, and discloses a winding drum self-weight self-starting limited winding-based yarn winding machine which comprises a base, a rotating unwinding drum is installed at one end of the base, a mounting plate is fixedly arranged at the other end of the base, and a self-starting mechanism is arranged on the upper surface of the base. Limiting winding is automatically triggered and started through the self weight of the winding drum. According to the yarn winding machine based on self-weight self-starting limiting winding of the winding drum, the self-starting mechanism is triggered through the self-weight of the winding drum, automatic starting of winding is achieved, after the winding drum is placed on the bearing frame, due to the fact that the bearing frame is pressed downwards through the self-weight of the winding drum, the pressure sensor senses pressure changes, and the winding process is triggered; in this way, non-timeliness of manual starting and errors possibly existing in preset program starting are avoided, in the continuous production process, it can be guaranteed that each winding drum can start winding at the first time after preparation, yarn winding disorder is prevented, and the winding efficiency and quality are greatly improved.

The utility model discloses a sensor which is used for being installed on a cylinder body, the cylinder body comprises an installation hole, and the sensor comprises a sensor head used for stretching into the installation hole of the cylinder body; the supporting part and the sensor head are integrally formed; the supporting part comprises a first supporting part and a second supporting part, and the first supporting part and the second supporting part are located on the side faces of the sensor head respectively; the first supporting part and the second supporting part can be in interference fit with the inner wall of the mounting hole. According to the utility model, the sensor can be stably supported in the cylinder body, and the cost caused by the O-shaped ring is reduced. The utility model further provides an engine electronic control system and an automobile.

The invention relates to rapid assembling and adjusting equipment and method for shell circumferential welding. The equipment comprises a bed body assembly, a bed head assembly, a bed tail assembly and a supporting seat assembly. The bed head assembly is fixed at one end of the bed body and comprises a bed head frame, a circle supporting mechanism and a positioning flange; the bed tail assembly can move on the bed body and comprises a bed tail frame and a three-jaw chuck; and the metal shell can be radially expanded by the circle expanding mechanism, so that the circular seam gap and the step to be welded meet the process requirements, and the welding quality and efficiency are improved. The using method comprises the steps that all the sections of the shell are assembled in sequence, circle correction and welding are conducted through the circle supporting mechanism, and continuous assembling and welding of the multiple sections of the shell are achieved. The welding device is suitable for welding of small-caliber long-size metal shells, operation is easy, efficiency is high, and the percent of pass is high.

The utility model relates to the technical field of dies, and provides a tool and an automatic stamping line, the tool comprises a lower die holder, a sliding core die, a conformal core die, two groups of dislocation supporting assemblies and a lifting assembly, the sliding core die is arranged in the lower die holder in a sliding manner, the conformal core die is arranged on the upper side of the sliding core die, and the lifting assembly is arranged on the lower die holder. The two staggered supporting assemblies are arranged on the two sides of the interior of the sliding core mold, the sliding core mold is connected with the lower mold base in a clamped mode through the staggered supporting assemblies, the lifting assembly is fixedly installed in the lower mold base, and the output end of the lifting assembly is fixedly connected with the lower side of the sliding core mold. The lifting assembly can also be used for supporting the adjusted sliding core mold, so that the working height is kept stable, the lifting assembly can be reset, the situation that the lifting assembly is used for supporting the sliding core mold for a long time is avoided, and then the service life of the lifting assembly is prolonged.

The utility model relates to the technical field of fixing supports, in particular to a mobile phone protection shell capable of being used as a support. The mobile phone shell comprises a mobile phone shell body, a supporting device is arranged outside the mobile phone shell body, the supporting device comprises a round block, one end of the round block is fixedly connected with the mobile phone shell body, the arc surface of the round block is fixedly connected with a limiting piece, the outer portion of the limiting piece is slidably connected with a limiting rod, and the limiting rod is fixedly connected with the round block. A rotating plate is slidably connected to the arc surface of the limiting rod, the inner side of the rotating plate is rotatably connected with a round block, a round plate is fixedly connected to one end of the round block, one end of the round plate is rotatably connected with the rotating plate, round rods are fixedly connected to the two sides of the rotating plate, and moving rods are rotatably connected to the arc surfaces of the round rods; and one sides of the two moving rods are connected with the rotating plate in a sliding manner. The problem that a traditional mobile phone protection shell capable of being used as a support can only support the protection shell transversely when the protection shell is supported is solved.

The utility model relates to the technical field of head care, in particular to a head massage instrument which comprises a base, an installation assembly and a moving assembly, the installation assembly comprises a shell, a headrest, a connecting shell, a vibration piece, massage particle blocks, a rotating disc, massage claws, massage balls and an adjusting component, when the head massage instrument is used, a user lies down and places the head on the headrest, and the moving assembly is arranged on the base. The headrest supports the head, when the vibration piece is started, the vibration piece vibrates to enable the massage particle blocks to vibrate, the massage particle blocks massage the back of the head and the neck of a user, when the driving assembly is started, the driving assembly drives the adjusting component to rotate, the adjusting component adjusts the tightness of the massage claws, and the massage balls make contact with the head of the user. The driving assembly drives the rotating disc to rotate, the rotating disc drives the massage claws to rotate, the massage claws drive the massage balls to move, and the massage balls rotate to massage the head of the user, so that the problem that the head of the user cannot be supported is solved.

The present invention belongs to the technical field of wind tunnel tests, and discloses a large-scale continuous wind tunnel multi-engine air inlet test device and test method. The front section of the oblique belly support bracket of the test device is fixed on the lower abdomen of the air inlet model, the oblique belly support bracket and the mounting platform are connected by a variable sideslip angle device, and the rear end of the mounting platform is fixedly connected to the scimitar mechanism of the wind tunnel; the variable sideslip angle device changes the sideslip angle of the air inlet model; and measuring devices such as flow meters and ejectors are fixed on the mounting platform. The test method includes wind tunnel test preparation; conducting wind tunnel tests; and test data processing. The test device and the test method adopt a "oblique belly support + lifting" support method to achieve a perfect combination of the test system and the support system; a hollow telescopic sleeve with ball joints at both ends is adopted to achieve compensation for changes in the length and angle of the airflow pipeline caused by the sideslip angle deflection, which provides a solution for large-scale continuous multi-engine air inlet tests and has engineering practical value.

The invention relates to the technical field of tunnel supporting, in particular to a tunnel supporting structure which comprises multiple sets of steel arches, a constant humidity assembly and a supporting assembly, the steel arches are arranged from front to back, binding ribs are bound between the steel arches for fixing, an outer formwork is arranged on one side of each steel arch, and the constant humidity assembly is installed on the outer wall of the outer formwork; seepage water is absorbed through the capillary cover plate under the capillary action, meanwhile, water flows from the wet position to the dry position in the inner cavity of the capillary cover plate, liquid of the capillary cover plate in the inner cavity of the dehumidifying shell is heated and evaporated by the heating rod, the exhaust fan generates airflow to take away water vapor in the inner cavity of the dehumidifying shell, and the moisture in the inner cavity of the dehumidifying shell is removed. After the capillary cover plate is dried, capillary action can be repeatedly carried out to seep water and absorb water for surrounding rocks; by means of the humidifying shell, liquid can be automatically supplemented according to the height position of liquid in the inner cavity when the liquid is lower than the set liquid level, meanwhile, the liquid is absorbed through the capillary action of the inner capillary plate, and then the effect of evenly keeping the concrete wet is achieved.

The application discloses a foundation pit slope protection and reinforcement device for civil engineering, which comprises at least one slope protection plate, at least one fixed plate, at least one movable plate, two reverse pushing mechanisms, at least one one-way mechanism, an X-shaped connecting rod frame, at least one connecting rod, a first long rod, four butt joints, a second long rod and at least one sliding block. The reverse pushing mechanism, the fixed plate and the movable plate are arranged to effectively support the collapse point in time from the initial small-range collapse according to the characteristics of the foundation pit collapse, the timely support of the collapse point can effectively prevent the collapse of the whole surface of the foundation pit, and the large number of casualties and property losses can be avoided. Furthermore, the first long rod, the second long rod and all the connecting rods are arranged to link all the one-way mechanisms to extend and preventively support the whole pit wall, maintain the shape of the foundation pit, disperse the support force of the single reverse pushing mechanism or the one-way mechanism and increase the overall bearing capacity of the pit wall.

The utility model provides a coal conveying trestle and pipeline support integrated structure, and belongs to the technical field of coal conveying systems and comprehensive pipeline supports of thermal power plants. Comprising a coal conveying trestle support and a supporting frame, the supporting frame is fixedly connected with the coal conveying trestle support, a process pipeline is arranged in the supporting frame, and the process pipeline penetrates through the coal conveying trestle support; according to the utility model, the functions of the coal transporting trestle and the pipeline bracket are combined, so that multiple purposes are realized, the construction cost is reduced, and the occupied space is reduced.

The present invention provides an electric heating plate and packaging equipment, which relates to the technical field of electric heating equipment, and solves the technical problem that the packaging equipment in the prior art cannot ensure fast cooling and heating while satisfying the uniformity of PET film heating, while also taking into account the processing and production of conventional EVA films and other related films. The device includes an electric heating layer, a heat-conducting layer and a pipeline layer stacked in sequence; wherein the electric heating layer includes an electric heating tube arranged inside the electric heating layer; the pipeline layer includes a pipeline arranged inside the pipeline layer, and the pipeline is used to circulate a cooling medium or a heating medium; the heat-conducting layer is evenly arranged between the electric heating layer and the pipeline layer. The present invention is used for product packaging, the electric heating layer is used to achieve rapid heating, and the cooling medium or the heating medium can be used in the pipeline layer for rapid cooling or auxiliary heating, thereby adapting to the use of rapid cooling and heating or conventional films, so that the packaging equipment can take into account the use of multiple types of films to package the product.

The invention provides an asymmetric steel rib large-section stiff column and a construction method. The construction method comprises the main construction steps of (1) one-pile-one-column construction, (2) soil body excavation, (3) column foot support pre-burying, (4) steel rib installation and positioning, (5) column foot pouring, (6) column body formwork supporting, (7) bracket formwork supporting and (8) stiff column concrete pouring. The construction method comprises the main construction steps of (1) one-pile-one-column construction, (2) soil body excavation, (3) column foot support pre-burying, (4) steel rib installation and positioning, (5) column foot pouring, (6) column body formwork supporting, (7) bracket formwork supporting and (8) stiff column concrete pouring. The asymmetric steel rib large-section stiff column construction method is wide in applicable section type and good in reinforcing effect, and good technical and economic benefits can be obtained when the asymmetric steel rib large-section stiff column construction method is applied to actual engineering.

The utility model relates to the technical field of compressor screw machining, and provides a clamping device for compressor screw machining to solve the problems that an existing clamping conveying device is difficult to adapt to a long screw and cannot stably support the long screw, so that the grinding precision and efficiency are low. The device is composed of a bottom frame, a movable mechanism and a fastening mechanism. The movable mechanism enables the mounting shell to flexibly move to be matched with the length of the screw rod through fixing blocks, sliding rods and sliding sleeves which are fixed to the two sides of the top of the bottom frame. A semicircular mounting seat of the fastening mechanism is arranged in a mounting shell, a movable rod is pushed by a spring, so that the semicircular mounting seat is attached to a screw rod, and rollers on the inner side of the semicircular mounting seat can support the screw rod and reduce friction force during grinding. In addition, the two semicircular mounting bases are symmetrically arranged, the inner side rolling wheels make contact with the screw rod in an all-dimensional mode, and even supporting during grinding is guaranteed. Practical application verifies that the clamping device effectively improves the stability, precision and efficiency of screw grinding, and powerful support is provided for high-quality development of the compressor screw machining industry.

This application relates to the field of armored reels for steel strip coils, and more particularly to an armored reel adaptable to steel strip coils with multiple inner diameters. It includes a fixed base and an adjusting assembly. The fixed base has multiple guide grooves on its surface, arranged in a circular array around the central axis of the fixed base and extending radially along the base. The adjusting assembly includes an inner diameter adjusting ring coaxial with the fixed base and multiple sliders. Each slider engages with a guide groove. The outer circumferential surface of the inner diameter adjusting ring is conical and movable in a direction perpendicular to the fixed base. The sliders abut against the outer circumferential surface of the inner diameter adjusting ring. When the inner diameter adjusting ring moves, the sliders slide along the guide grooves. This application, through the cooperation of the inner diameter adjusting ring and the sliders, achieves effective support for steel strip coils with different inner diameters, featuring flexible adjustment and wide applicability, significantly improving the versatility and stability of the armored reel.

The utility model relates to the technical field of advertising boards, in particular to an advertising board welding device which comprises a machining plate, a fixing seat is fixedly connected to the surface of the machining plate, a limiting frame A is fixedly connected to the upper end of the fixing seat, a rotating arc groove is formed in the surface of the machining plate, and an angle meter is arranged on one side of an inner ring of the rotating arc groove. Steel pipes of two advertising boards are placed on the surface of a limiting frame A and the surface of a limiting frame B correspondingly, then a screw frame is rotated to drive a limiting plate to move, when a rubber cushion on the limiting plate is extruded to the surface of the steel pipe, rotation of the screw frame is stopped, the steel pipe is fixed by the limiting plate and the screw frame at the moment, and then a rotating plate is pushed to rotate through a pull handle; the angle of the rotating plate can be adjusted through an angle meter, then a fixing bolt is rotated, the fixing bolt extrudes the side wall of the machining plate through threads, and therefore the rotating plate is fixed, and the welding angle of the two steel pipes is adjusted.

The utility model discloses a refrigerator relates to refrigerator technical field, wherein, the refrigerator includes box and water receiving structure, and the box is equipped with the cavity of compressor installation, and the lower extreme of cavity is equipped with the installation mouth, and the rear side end of box has the bottom end part, and the water receiving structure includes the mounting piece and water receiving box, and the mounting piece is located in the installation mouth, and the water receiving box sets up the upper end of mounting piece, and the mounting piece forms the support part, and the support part projects downward setting all to bottom end part, and the support part is at the front side of bottom end part, and the part between mounting piece and bottom end part of water receiving box projects downward to form the box body bottom, wherein, the support part and bottom end part form the first ground contact inclined plane, and the box body bottom is no less than the first ground contact inclined plane, so that the box body bottom projects downward on the first ground contact inclined plane when the refrigerator rotates, avoids the water receiving box to support the box, thereby solve the problem that the water receiving box is easily damaged because of the load when the refrigerator rotates.

The utility model relates to the field of rail vehicles, provide a kind of support device and overhaul system of rail vehicle for gear box, for the support device of gear box, comprising: support assembly, the support assembly is suitable for being connected with gear box;Connecting pipe, the top surface of the first end of the connecting pipe is connected with the support assembly;Caster, the bottom surface of the second end of the connecting pipe is connected with the caster.The utility model can provide the support after gear box disassembly, by setting support device, realize the gear box after disassembly can obtain stable support.Gear box support problem is solved in ground track, ditch, elevated track and other various environments, without replacing different gear box support device.Gear box support device problem is solved in bogie disassembly state in narrow space, simple operation, reduce the labor intensity of worker.