167results about How to "Easy to apply" patented technology

The invention relates to the technical field of metering and testing, and discloses a strain sensor calibration device and method, and the device comprises a pedestal, the pedestal is provided with an overturning part, the overturning part is provided with a stand column, the stand column is provided with an equal-strength cantilever beam, and one end, away from the stand column, of the equal-strength cantilever beam is provided with a positioning laser. The rays of the positioning laser device face the base and are parallel to the end face of the equal-strength cantilever beam, and the equal-strength cantilever beam is used for pasting a measured strain sensor; a sliding block is in sliding fit with the sliding rail, a first pulley is arranged on the sliding block, a steel wire rope is wound around the first pulley, one end of the steel wire rope is connected with the end, away from the stand column, of the equal-strength cantilever beam, and the other end is connected with a force application assembly; the data acquisition module is connected with the measured strain sensor and the deflection measurement module, the data acquisition module is further connected with an upper computer, errors caused by stress concentration are reduced, the consistency and stability of measurement are effectively improved, and the flexibility of the device is improved.

The invention belongs to the technical field of power electronic systems, and discloses a distributed photovoltaic cluster modeling method and system based on an improved FCM algorithm, and the method comprises the steps: measuring the outlet voltage Vt of a photovoltaic unit, the voltage VPCC of a PCC point, and the phase angle difference theta between the two, deducing a calculation formula of an equivalent electrical distance from the outlet of the photovoltaic unit to the PCC point under a radiation type structure, and calculating the equivalent electrical distance between the outlet of the photovoltaic unit and the PCC point; calculating an equivalent electrical distance under a chain structure and a complex network topology structure, and calculating a line impedance equivalent coefficient; measuring an active power P, a reactive power Q and a port voltage Vt output by the photovoltaic unit, and proposing an index value representing a photovoltaic voltage support function; an equivalent electrical distance, a photovoltaic capacity and a voltage support function are comprehensively considered, and a comprehensive clustering index accurately representing the characteristics of the distributed photovoltaic power generation system is established; an optimal solution obtained through a particle swarm clustering algorithm is used as an initial clustering center, an optimal clustering result is calculated through an FCM algorithm, and an equivalent model is calculated through parameter equivalence;

The invention discloses an application of naringenin nanoparticles in preparation of a ceftiofur long-acting preparation. The invention discloses naringenin (5, 7-dihydroxy-2 (4-hydroxyphenyl) chroman-4-ketone), which is a flavonoid substance. The naringenin nanoparticles are prepared, the naringenin nanoparticles are mixed with the ceftiofur for combined use, and it is found that the naringenin can effectively intervene in the pharmacokinetic process of the ceftiofur and significantly prolong the in-vivo half-life period of the ceftiofur, so that the in-vivo action time of the ceftiofur is prolonged, and the curative effect of the ceftiofur is improved. Moreover, the application method is simple, easy to operate, low in cost and suitable for large-scale popularization.

The invention discloses filling equipment for medicine production and a use method of the filling equipment, and relates to the technical field of filling equipment. The filling equipment for medicine production comprises a supporting unit, a liquid storage barrel and a filling unit, the liquid storage barrel is located at the top of the supporting unit, the filling unit is located at the top of the supporting unit and located on the front side of the liquid storage barrel, the filling unit comprises a first lifting hydraulic rod and a cantilever arm, and the cantilever arm is located at the top of the first lifting hydraulic rod. According to the filling equipment for medicine production, the filling unit is arranged, a filling head, a leakage-proof plug, a spring, a movable pipe valve and a clamping plate are arranged, the clamping plate and the movable pipe valve are linked during filling, the filling head is automatically opened for filling, after filling is finished, the spring pushes the movable pipe valve to be closed, liquid medicine in the filling head is prevented from dripping under the action of gravity, and the filling efficiency is improved. The production environment is prevented from being polluted by liquid medicine, resources are saved, and the production cost is reduced.

The utility model provides a building template for supporting, which comprises a base, the base comprises a bottom plate and a supporting plate, the bottom plate is arranged in a mirroring manner, one end of the bottom plate is provided with a template assembly for pouring, the top surface of the bottom plate is provided with the supporting plate, and one end of the supporting plate deviating from the bottom plate is inclined and connected with the template assembly. A supporting mechanism used for supporting and reinforcing is arranged in the middle of the side, facing the combined assembly, of the formwork assembly, the combined assembly comprises stand columns and a combined rod, the stand columns are arranged at the two ends of the combined rod in a mirror image mode, the stand columns and the bottom plate are arranged correspondingly, and the side faces of the stand columns are fixedly connected with the supporting plate. The pouring formwork is arranged on the outer side of the mounting plate. According to the building template, the size of a pouring area formed by the pouring templates can be adjusted before the building template is poured through clamping and sliding of the pouring templates and the mounting plate in the template assembly, the purpose of changing the pouring effect is achieved, and then the building template can be conveniently suitable for more building designs.

The present invention provides a device for adjusting tire posture and applying load, which relates to the technical field of tire detection devices, and solves the technical problems of the existing tire posture adjustment devices in the prior art that the structure is complex and the adjustment effect is poor. The device comprises a moving component, a rotating component, a control system and a bearing component, wherein the moving component is arranged on the rotating component, the rotating component is arranged on the bearing component, and can drive the moving component to rotate; the bottom end of the moving component passes through the rotating component and the bearing component and is connected to the wheel frame connecting seat, and the moving component is used for tire lifting, tilting and lateral displacement; the moving component and the rotating component are both connected to the control system; the present invention cooperates with the moving component, the rotating component, the bearing component and the control system, which can not only realize the adjustment of tire posture and the application of vertical load, but also the tire movement is accurate and the effect is significant, and at the same time the overall structure is simple and compact, and the adjustment operation is convenient and quick.

The present invention provides a multi-medium mixing device for an ultra-high voltage converter transformer, comprising a composite venturi tube and a mixing pipe connected in sequence, wherein the composite venturi tube comprises an inner venturi tube connected to a dry powder pipe and an outer venturi tube connected to a foam pipe, the inner venturi tube is nested in the outer venturi tube, the outer venturi tube is connected to the mixing pipe, and the outlet of the inner venturi tube is located before the outer throat of the outer venturi tube. The present invention also provides a fire fighting system using the mixing device. The advantages of the present invention are that after the ultra-fine dry powder enters the inner venturi tube and passes through the inner throat, the cross-sectional area of ​​the pipe is reduced, thereby accelerating the ultra-fine dry powder, and the ultra-fine dry powder can be accelerated and mixed with the compressed air foam, and then accelerated through the outer throat, promoting uniform mixing of the two media, so that the compressed air foam can effectively wrap the ultra-fine dry powder without the phenomenon of dispersed distribution.

The utility model discloses a headphone, which comprises a head band, a first sound production unit arranged at one end of the head band in a drawing manner and a detachable arm detachably arranged at the other end of the head band, a head sticker or a second sound production unit is arranged on the detachable arm, a connecting piece is arranged at the end, corresponding to the detachable arm, of the head band, and the adjusting end of the connecting piece is arranged on the head band in a drawing and adjusting manner; the detachable arm is detachably arranged at the inserting end of the connecting piece through a buckle structure and movably connected with the connecting piece, the head sticker and the second sound production unit can be replaced to be matched with the first sound production unit to be used through separation of the detachable arm and the connecting piece, the head sticker and the second sound production unit can be not used, and the first sound production unit can be independently used for use. And the lengths of the first sound production unit and the detachable arm can be adjusted, so that the headphone can be conveniently suitable for different crowds.

A detachable and replaceable automobile buckle relates to the technical field of automobile parts and comprises a circular plate, a first oval groove, a fan-shaped silica gel plate, an arc-shaped groove, a cylindrical sleeve, an annular protruding edge and a threaded groove. Four fan-shaped silica gel plates are arranged at a first mounting position on the surface of the lower end of the circular plate, the four fan-shaped silica gel plates define a conical shape, a plurality of arc-shaped grooves are uniformly formed in each fan-shaped silica gel plate, the inner side of each fan-shaped silica gel plate is in intermittent contact with the spherical block, and a first elliptical groove is formed in the circular plate; the lower end face of the cylindrical sleeve is fixedly connected with the upper end of the circular plate, a plurality of annular protruding edges are arranged on the outer side of the cylindrical sleeve, a threaded groove is formed in the cylindrical sleeve, two small protruding rods are installed in the threaded groove in a sliding mode, the automobile buckle can be disassembled and used repeatedly, and cost is reduced.

The application relates to the field of high-performance computing, and provides an HPC job power consumption prediction method and system based on power consumption curves and script information. The method comprises the following steps: obtaining a first similarity value based on historical job power consumption curve data; obtaining a second similarity value based on historical job script information data; assigning weights to the first similarity value and the second similarity value according to requirements, calculating a weighted sum, obtaining a comprehensive similarity value, and constructing a similarity adjacency matrix in this way; dividing HPC jobs into different categories according to the similarity adjacency matrix on the principle of maximizing a module degree index; training different neural network models based on historical data in different categories after the division, obtaining trained neural network models; matching a historical job category similar to a target HPC job, and using the neural network model of the historical job category to predict script information data of the target HPC job to obtain a prediction result.

The anti-scald traditional Chinese medicine hot compress device comprises a containing bag, a supporting frame and a fixing belt, a containing cavity is formed in the containing bag and used for containing a traditional Chinese medicine bag, a containing opening capable of being closed and opened is formed in the upper end of the containing bag, and the containing opening is communicated with the containing cavity and used for placing the traditional Chinese medicine bag into the containing cavity through the containing opening. The supporting frame is arranged on the rear side face of the containing bag and connected with the containing bag through a telescopic piece so that a safety gap can be defined between the rear side face of the containing bag and the skin of a patient, the two sides of the supporting frame are each provided with an adjusting piece, and the ends of the adjusting pieces are connected with the side faces of the two containing bags and can be adjusted in the front-back direction. The distance between the rear side face of the containing bag and the skin of a patient is changed, the fixing belts are arranged on the two sides of the supporting frame so that the supporting frame can be fixed to the surface of the skin of the patient, the medicine permeating holes are formed in the rear side face of the containing bag, medicine can permeate to the skin of the patient conveniently, and the hot compress bag is simple in structure, capable of effectively preventing scalding during hot compress, high in practicability and wide in applicability.

The bedside lifting type infusion support comprises a connecting plate, a fastening plate, a guide rod, a first lead screw, a first motor, a connecting rod, a fixing plate, a sliding groove, a second lead screw, a sliding block, a second motor, a mounting rod, a transverse plate, a guide column, a rotating rod, a telescopic column, a mounting block, a hanging rod, a hook and a moving plate. The overall height and position of the novel infusion support can be adjusted according to actual needs, the novel infusion support can be better suitable for various people, normal infusion pipelines are guaranteed, and the novel infusion support is high in practicability; the device is simple in structure, convenient to operate and capable of being widely applied to various medical care fields. The problem that the height and position of an infusion support in the prior art are difficult to adjust, so that an infusion tube is easily blocked and unsmooth, and normal infusion is affected is solved.

The utility model belongs to the technical field of medical instruments, particularly relates to an operation and transfer dual-purpose sickbed for gynaecology and obstetrics patients, and provides the following scheme aiming at the problem that part of existing gynaecology and obstetrics sickbeds are not suitable for operations in the actual use process: the gynaecology and obstetrics dual-purpose sickbed comprises a bedstead, the moving wheels are fixedly mounted below the bed frame; the bed plate is arranged on the top end surface of the bed frame; the bed board comprises a fixed bed board and a connecting bed body, head adjusting assemblies are arranged at the two ends of one side of the fixed bed board, and a mounting structure is arranged at one end of each head adjusting assembly. The hydraulic cylinders push the connecting rods to move at the sliding rails, and the connecting rods move to drive the fixing rods on the two sides of the connecting rods and the connecting frames on the outer sides of the fixing rods to push one side of the bed board, so that the front board can be pushed through the connecting frames to be adjusted, and the supporting frames can be installed through the bearing rods; and the leg supporting plate is installed to achieve the leg supporting effect of the patient in the obstetrics and gynecology department.

The utility model discloses an electric cleaning brush which is characterized in that a shell is in a hollow cylinder shape, one end of the shell is fixedly provided with a handle, the other end of the shell is provided with a brush head assembly, the brush head assembly comprises a large brush head and a small brush head, the large brush head is in a hollow long strip shape, and bristles are arranged on the outer wall of the large brush head; the large brush head is arranged at the other end of the shell in the length direction of the shell, a connecting assembly is arranged at the end, close to the shell, of the large brush head, and the large brush head is installed on the shell in a telescopic mode through the connecting assembly. Bristles are arranged on the outer wall of the small brush head, the small brush head is arranged in the large brush head in the length direction of the large brush head, and the end, away from the shell, of the small brush head can be exposed out of the end of the large brush head or is arranged in the large brush head in a covering mode; and a power part for driving the large brush head and the small brush head to rotate is arranged in the shell.

The utility model provides an auxiliary pumping drainage device for a foundation pit water-collecting well, which comprises a hanging beam, an auxiliary pumping drainage device and an auxiliary pumping drainage device, a hanging piece is arranged on the hanging cage, and the hanging cage is hung on the hanging beam through the hanging piece; a containing space for containing the water pumping equipment is arranged in the cage, a passing opening for the water pumping equipment to enter and exit is formed in the upper portion of the cage, a filter screen is arranged on the side wall of the lower portion and / or the bottom of the cage, and the containing space is communicated with the outside through meshes of the filter screen. The auxiliary pumping drainage device for the water collecting well of the foundation pit is simple and practical in structure, can effectively protect water pumping equipment, can also be conveniently suitable for various water pumping equipment, is not prone to failures and blockage, and is beneficial to improving construction efficiency and reducing construction cost.

This invention discloses a rhizosphere iron-promoting bacterial strain that alleviates iron deficiency-induced premature aging in Litsea cubeba and its applications. It belongs to the field of agricultural microbiology and plant mineral nutrition regulation technology. This invention provides related products and specific applications. The strain of this invention possesses both ferric iron (Fe3+) reduction ability and siderophore production ability. On the one hand, it can promote the conversion of ferric iron to ferrous iron (Fe2+); on the other hand, it can chelate and activate iron in the rhizosphere environment through siderophores, thereby increasing the supply of active iron in the rhizosphere of Litsea cubeba. After the Litsea cubeba rhizosphere iron-reducing bacterium LcB6 is reintroduced, it can increase the chlorophyll content of Litsea cubeba leaves and the soluble iron content of the plant, increase the content of ferrous iron and available iron in the rhizosphere soil, and improve iron deficiency-induced premature aging phenotypes such as leaf yellowing and decreased plant growth vigor. This provides a new bacterial resource and application pathway for the regulation of rhizosphere iron nutrition in Litsea cubeba.

The present invention discloses a five-layer co-extruded film production unit, including a hollow base, five extruders are arranged on the base, a feed hopper is arranged on the extruder, a water tank is fixedly connected to the base, a die head is fixedly connected to the side wall of the water tank through a rod, the extruder is connected to the die head, a first side block and a second side block are fixedly connected to the base, both the first side block and the second side block are hollow structures, a servo motor is fixedly connected to the side wall of the base through a bracket, the output shaft of the servo motor is fixedly connected to a rotating shaft, and the rotating shaft and the base are connected to rotate through a bearing. The advantage is that the production unit of the present invention has a better cooling effect, and the heat of the film can be reused, so that the unit is more energy-saving, and at the same time, a good corona treatment effect can be guaranteed, and the cost of the production unit is low, while also ensuring a certain degree of automation, which is more suitable for use in small factories.

The utility model relates to the technical field of anal extension tubes, in particular to an anal extension tube fixing device which comprises an extension tube body and a fixing assembly, the fixing assembly is arranged on the outer side of the extension tube body and comprises a fixing sleeve, and the fixing sleeve is connected to the outer side of the extension tube body in a sleeved mode. A catheter hole is formed in the inner side of the fixing sleeve, first threaded holes are formed in the upper side and the lower side of the fixing sleeve, first threaded rods are in threaded connection with inner cavities of the first threaded holes, first adjusting rotary knobs are fixedly connected to the upper side and the lower side of each first threaded rod, and clamping rings are fixedly connected to the two sides of each first threaded rod. According to the anal extension tube fixing device, the fixing assembly and the connecting assembly are installed, an extension tube body penetrates through a catheter hole in the outer side of the fixing sleeve, then a first adjusting knob is used for controlling a clamping ring to move the extension tube body, the extension tube body and the first adjusting knob are prevented from moving, and the fixing sleeve is secondarily fixed through cooperation of a buckle, a spring and a clamping groove to prevent the fixing sleeve from moving; and the condition of pipe separation is prevented.

The utility model discloses a kind of turning-over beds of arbitrary angle overturning, including two bed support frames, bed turning frame is equipped between two bed support frames, the middle position of the both ends of bed turning frame is rotatably connected with two bed support frames by pivot, bed turning frame is fixed with mattress frame, and one overturning support is detachably connected in the upper and lower sides of mattress frame, and the both sides of each overturning support are connected with the both sides of mattress frame overturning direction, and at least one side is detachably connected;Locking device is equipped on bed support frame, so that bed turning frame can be fixed after overturning arbitrary angle;Bed turning frame and mattress frame are all mouth-shaped structure, and mattress frame is arranged in the frame of bed turning frame. The turning-over bed of the utility model can overturn arbitrary angle, thereby meeting the needs of patient supine position, prone position, lateral position, side supine position and side prone position.

The invention relates to the technical field of pecan prevention and treatment, in particular to a bactericide composition for preventing and treating pecan root rot and application of the bactericide composition. According to the technical scheme, the bactericide composition comprises a component A, a component B and a component C in percentage by weight, the bactericide composition of the component A is suitable for treating slight or preventive root rot, the bactericide composition of the component B is suitable for treating medium-degree root rot, and the bactericide composition of the component C is suitable for treating severe or refractory root rot. According to the severity of the illness state, corresponding bactericide components are selected for root irrigation treatment. According to the bactericide composition disclosed by the invention, through specific proportioning and component selection, the survival and reproduction of pathogenic bacteria can be reduced aiming at the pathogenic bacteria of the pecan root rot, so that the occurrence and spreading of diseases are controlled.

The camellia oleifera fruit shell breaking and screening device comprises a shell breaking assembly, a separating assembly and a screening assembly, the shell breaking assembly comprises a box body, the shell breaking assembly further comprises a material stirring roller rotationally connected to the upper portion of an inner cavity of the box body, and a plurality of strip-shaped grooves are evenly formed in the periphery of the side face of the material stirring roller; one end of the material stirring roller is connected with a cam divider, the shell breaking assembly further comprises a pressing plate which is in sliding fit with the interior of the top end of the box body and located over the material stirring roller, a shaft rod is in sliding fit with the lower portion of the interior of the pressing plate, and the exterior of the shaft rod is rotationally connected with two shell breaking cutters; the two shell breaking cutters are symmetrically distributed below the two sides of the pressing plate, and the cross section of each shell breaking cutter is triangular. Through the shell breaking assembly, broken shells are large in size, complete and few in chippings, so that the tea seed screening efficiency is improved, and through a changeable screen of the screening assembly, the screen replacement efficiency is improved.

The present invention discloses an automatically retractable roller brush structure, comprising a roller brush driving cylinder, a driven telescopic cylinder, a rotating bearing, a transmission mechanism and a fixed block, wherein the roller brush driving cylinder is sleeved on the outside of the driven telescopic cylinder and can be retracted along the axial direction of the roller brush driving cylinder; the rotating bearing is fixedly connected to the driven telescopic cylinder; one end of the transmission mechanism is fixedly connected to the fixed block; a brush groove and a brush strip are axially arranged on the outer wall of the roller brush driving cylinder, the brush strip is clamped on the brush groove, the brush strip comprises a plurality of movable brush strips and a plurality of fixed brush strips, the protruding end of the movable brush strip is fixed on the protruding end of the driven telescopic cylinder, when the roller brush driving cylinder rotates, the driven telescopic cylinder is driven to rotate, and the driven telescopic cylinder rotates on the transmission mechanism through the rotating bearing to realize axial displacement.

The invention discloses application of ginseng leaf polysaccharide in relieving fish quality decline caused by water hypoxia, and belongs to the technical field of aquatic product culture. The ginseng leaf polysaccharide is applied to relieving fish quality decline caused by water hypoxia for the first time, and by adding the ginseng leaf polysaccharide, the problems of fish muscle oxidative damage, poor texture property, low nutritional value and the like caused by hypoxia stress can be effectively improved; the invention provides a new relieving technology for improving fish quality decline caused by hypoxia in culture, provides technical support for improving fish quality of cultured fishes under intensive culture conditions, improves freshwater fish culture benefits, and solves the problem of lack of a safe and reliable method for relieving fish quality decline caused by hypoxia in a water body at present.

The utility model provides portable hot compress equipment, and relates to the technical field of traditional Chinese medicine patch hot compress devices, and the portable hot compress equipment comprises a shell, a heating assembly and an attaching assembly. A first cavity and a second cavity which are sequentially formed in the vertical direction are formed in the shell, the first cavity is located above the second cavity, the end, away from the first cavity, of the second cavity extends to the bottom of the shell so that the bottom of the second cavity can be opened, and the second cavity is used for containing a traditional Chinese medicine patch; the heating assembly is contained in the first cavity and used for heating the traditional Chinese medicine patch contained in the second cavity. The attaching assembly is of an annular structure, one end of the attaching assembly is arranged outside the shell in a sleeving mode, and the other end of the attaching assembly is used for being attached to the skin of a patient. The portable hot compress device has the advantages of being simple in structure and small in size, can be carried very conveniently, and can be used on a child patient conveniently.

The embodiment of the invention discloses a heat exchange piece, a heat exchange module and electronic equipment, the heat exchange piece comprises a first body part, a second body part and a deformation part, one end of the deformation part is connected with the first body part, the other end of the deformation part is connected with the second body part, and under the condition that the deformation part deforms, the deformation part is connected with the second body part. And an included angle can be formed between the first body part and the second body part. Therefore, under the condition that the deformation part deforms, the deformation part can drive at least one of the first body part and the second body part to move, so that an included angle is formed between the first body part and the second body part, the overall appearance of the heat exchange piece can be changed, and the heat exchange piece can be conveniently suitable for electronic equipment with deformation requirements; the heat exchange piece is convenient to adapt to different use states of the electronic equipment, and the flexibility of the heat exchange piece is also improved.

The invention provides a mesh cage piece connecting device and method. The mesh cage piece connecting device comprises a base, a mesh cage piece plate and an adjusting connecting structure arranged between the base and the mesh cage piece plate. An auxiliary supporting structure is arranged between the base and the adjusting connecting structure. The adjusting connecting structure comprises a transmission screw fixed to the base, a limiting sliding rod, a circular top block arranged at the top end of the transmission screw and the top end of the limiting sliding rod, and a screw hole circular block which is arranged on the outer surface of the transmission screw in a threaded and sleeving mode and moves along the limiting sliding rod. A connecting rod assembly is arranged between the screw hole round block and the auxiliary supporting structure, and the mesh cage sheet plate is fixed to the connecting rod assembly. The round top block is used for driving the transmission screw rod to move, and the screw hole round block and the connecting rod assembly are driven by the transmission screw rod to move so as to adjust the position of the mesh cage sheet plate. By means of the device, the splicing requirements of mesh cage sheet plates with different heights and distances can be met, meanwhile, auxiliary supporting is conducted in the splicing process, the splicing efficiency is improved, and the splicing cost is reduced.

The utility model discloses a pipeline assembly fixture, which relates to the field of pipeline construction, and comprises four L-shaped connecting pieces, four connecting arms and four adjusting assemblies, the inside of each L-shaped connecting piece is hollow, and the two ends of each L-shaped connecting piece are respectively open; the connecting arm is located between the two L-shaped connecting pieces, and the two ends of the connecting arm are arranged in inner cavities of the two L-shaped connecting pieces in a sliding mode respectively. By arranging the four L-shaped connecting pieces and the four connecting arms, the perimeter of the fixture can be adjusted according to the diameter of a pipeline, so that the four connecting arms are in contact with the periphery of the pipeline respectively, the fixture is suitable for assembly of pipelines with different diameters, and the assembly efficiency is improved. And the L-shaped connecting pieces and the connecting arms are fixedly connected through bolts, adjustment, disassembly and assembly are convenient, turnover use can be achieved, and the applicability and practicability of the fixture are improved.

The utility model discloses an integrated control cabinet for a building weak current system, which comprises a cabinet body, a moving mechanism and a fixed limiting mechanism, the moving mechanism comprises four supporting columns and a prismatic column, the supporting columns are arranged at the bottom end of the cabinet body, and two sides of each supporting column are respectively provided with a stepped column. A roller is arranged at one end of the prismatic column, and the prismatic column and the roller are arranged at the thin end of the stepped column in a matched mode. When moving, a button is pressed to extrude a limiting block and a second spring, so that the limiting block and the second spring are shrunk into a second mounting hole, limiting and fixing of a first clamping block and a second clamping block are relieved, then under the action of the first spring, a push block is popped out, the first clamping block and the second clamping block can be popped open, limiting of a prismatic column is relieved, and the prismatic column is fixed. And therefore, the control cabinet can be conveniently carried, manual lifting is avoided, the labor force is reduced, meanwhile, carrying through a transfer device is also avoided, and the convenience is improved.