30results about How to "Reduce labor load" patented technology

According to the vibrating screen, a first-layer screening mechanism and a second-layer screening mechanism are installed on the top and the upper portion of a rack in parallel up and down, each of the first-layer screening mechanism and the second-layer screening mechanism comprises a screen frame, an upper screen, a lower screen and an adjusting assembly, a sliding groove is formed in the middle of each screen frame, and the screen frames are installed on the rack; the upper screen is fixed at the upper end of the screen frame; the lower screen is installed in the sliding groove. The adjusting assembly comprises a driving motor, a lead screw and a moving nut. The driving motor drives the moving nut through the lead screw to drive the lower screen to move relative to the upper screen. The first blowing mechanism and the second blowing mechanism are the same in structure and are arranged below the first-layer screening mechanism and the second-layer screening mechanism respectively, and a plurality of air nozzles are evenly arranged on the portions, corresponding to the screening nets, of the screening mechanisms. According to the vibrating screen, the size of the screening hole diameter can be flexibly adjusted according to needs, and the screening requirements of materials with various particle sizes can be met through one vibrating screen.

The utility model provides an automatic offcut discharging device which comprises a rolling mechanism and a discharging mechanism. The material rolling mechanism is used for rolling leftover materials (15) and comprises a material rolling shaft (3), and the material rolling shaft (3) is an air swelling shaft; and the unloading mechanism is arranged at the rear end of the coiling shaft (3), and is used for realizing removal operation of an upper edge material (15) on the coiling mechanism through a transverse telescopic action. The device is convenient and fast to operate, can remarkably improve the unloading operation efficiency, can reduce the labor load of operators, and can improve the safety coefficient in the unloading process.

The utility model provides a photovoltaic support and a roof. The photovoltaic support comprises a water guide groove and a lock seam clamp, the lock seam clamp is installed at the top of the water guide groove, and the two sides of the lock seam clamp are used for installing a plurality of photovoltaic assemblies respectively. And the water chute and the photovoltaic module are connected into a whole through the lock seam clamp, so that the potential safety hazards of water accumulation, water seepage, corrosion and the like in the punching installation of the photovoltaic module in the skid-mounted equipment room are solved. The roof of the skid-mounted equipment room and the photovoltaic system are combined and integrated into a photovoltaic integrated roof structure, so that loopholes or roof damage risks existing at punching positions are avoided, normal operation of devices in the skid-mounted equipment room is guaranteed, and meanwhile, the labor load of photovoltaic module installation is reduced. The roof of the skid-mounted equipment room adopts a prefabrication process, and photovoltaic integrated design is carried out on the roof structure of the skid-mounted equipment room. The installation of a photovoltaic support of a metal structure is avoided, the load of the roof of the skid-mounted equipment room is reduced, and meanwhile, the risk that the photovoltaic support is overturned and damaged in strong wind weather is avoided.

The utility model discloses a support tool for holding and supporting gas branch pipe before gas meter when maintaining, including the clamp of the hoop, the clamp of the hoop includes the three arc page piece of the axis setting around the gas branch pipe to be embraced, the central angle corresponding to three arc page piece's sum is not more than 360 degrees, not less than 210 degrees, and the hinge connection is shown in turn, and the inner concave surface of the gas branch pipe to be embraced is all equipped with the antiskid pattern, or is equipped with the antiskid layer, the two hinge connection's rotary shaft that three arc page piece shows in turn all are parallel with the axis of the gas branch pipe to be embraced, in three arc page piece that the hinge connection is shown in turn, two end page piece located between two ends are driven through push rod hinge mechanism, and the middle page piece between two end page piece rotates relatively. The utility model not only can improve the work efficiency of maintaining indoor gas meter front branch pipe, and quickly eliminate the security risk, but also can reduce the labor load, replace the traditional tool and hold indoor gas meter front branch pipe quickly.

The invention relates to the technical field of extrusion production line automatic control, in particular to an extrusion production line self-adaptive control method and system based on real-time meter weight feedback. The method comprises the following steps: monitoring the meter weight of a semi-finished product in real time and obtaining a measured value; comparing the value with a target value to calculate a deviation; calculating a newly set linear velocity through a specific control formula based on the deviation, the current linear velocity and a dynamic adjustment coefficient; and adjusting the linear speed according to the linear speed and forming closed-loop control. The dynamic adjustment coefficient can be adaptively adjusted according to statistical characteristics of a historical error sequence, such as a trend factor and a stability factor, and has a self-learning capability. The system comprises a meter weight measuring device, a controller for executing the method and a speed executing device. According to the invention, the meter weight control is changed from post detection to in-process control, real-time, accurate and self-adaptive speed adjustment is realized, the consistency of product quality is effectively improved, the waste of raw materials is remarkably reduced, and the dependence on artificial experience is reduced.

The invention provides an elevator guide rail automatic clamping and positioning device and method based on laser lofting, and relates to the technical field of special equipment. The automatic clamping and positioning device for the elevator guide rail comprises a rail clamping and positioning mechanism. The laser receiving target plate and the camera device are connected with the rail clamping and positioning mechanism, and the laser receiving target plate comprises a reference target point located in the center of the laser receiving target plate and is used for receiving rail laser sample line light beams from the top of an elevator shaft to form sample points; the camera device is used for forming positioning information from image information containing the sampling point and the reference target point in real time; and the controller is respectively in communication connection with the camera device and the track clamping and positioning mechanism, and is used for controlling the track clamping and positioning mechanism to move according to the positioning information, so that the sampling point coincides with the reference target point.

The utility model relates to the technical field of municipal drainage pipeline installation, and discloses a municipal drainage pipeline alignment traction device which comprises a supporting frame, a double-winding-drum winch is arranged on the supporting frame, and a positioning plate is arranged on the portion, on one side of the double-winding-drum winch, of the supporting frame in a liftable mode. A traction frame is connected to the end of a steel wire rope on the double-winding-drum winch, the size of the traction frame is adjustable, and a positioning clamping plate is arranged at the end, close to the double-winding-drum winch, of the traction frame. According to the utility model, the labor load of personnel can be effectively reduced, and the construction efficiency is improved; and meanwhile, the using amount of large machines is reduced, and safe, efficient and high-quality municipal drainage pipeline assembly construction is achieved.

The utility model discloses a firework lead bundling and wrapping device which is characterized in that a traction piece is fixedly arranged on an annular transmission belt, the lead end of a lead roll is connected to the traction piece, two stand columns are arranged in the annular shape of the annular transmission belt, and the traction piece rotates around the two stand columns along with the annular transmission belt to pull out a lead of the lead roll and wind the lead on the two stand columns; a flat belt is correspondingly arranged below the lead between the two stand columns, and the flat belt rotates along the radial direction of the lead; the end of a wrapping paper tape on the wrapping paper roll is laid on the flat belt; and a washboard capable of doing reciprocating motion is correspondingly arranged above the flat belt. According to the device, a wrapped lead bundle can be obtained, workers are assisted in straightening wound leads, the straight lead bundle is wrapped by multiple layers of paper, the processing efficiency is effectively improved, and the labor load is relieved.

This invention discloses an automated procurement method for equipment spare parts, relating to the field of equipment spare parts procurement technology. This invention changes the original method of manual inventory checks by designated personnel, replacing it with a system that automatically generates spare parts procurement suggestions based on safety stock, timely stock, and quantities in transit. This invention also changes the original approval control node—the purchase requisition form—to approval of purchase suggestions. At a fixed time each month, the system automatically generates relevant procurement suggestions based on the safety stock configuration for equipment spare parts, then confirms and executes the procurement suggestions (submitting for approval). After approval, a purchase requisition form in the EAS (Equipment Assistance System) and a mall order in the SRM (Shopping Management System) mall are generated, both in an approved status. This process only requires the business department to operate within one system. After the safety stock is set, the department only needs to periodically check and confirm the application suggestions and submit them for approval when making monthly procurement plans, significantly reducing the procurement application time for the business department.

The utility model relates to the field of water conservancy and hydropower, and discloses water conservancy and hydropower hoisting equipment. Two upper mounting seats are fixedly connected to the surface of the bottom end of the transverse rod, a lower mounting seat is fixedly connected to the upper surface of the longitudinal plate, a connecting rod is movably connected between the upper mounting seats and the lower mounting seat, a hydraulic cylinder is arranged in the middle of the surface of the bottom end of the transverse rod, and a hydraulic column is connected to the output end of the hydraulic cylinder. An upper connecting seat and a lower connecting seat are fixedly arranged on the surface of the hydraulic column, a plurality of fixing seats are arranged on the inner side surface of the connecting rod, a first limiting rod is movably connected between the upper connecting seat and the fixing seats through rotating rods, and a second limiting rod is movably connected between the lower connecting seat and the fixing seats through rotating rods; a hydraulic cylinder is started to drive a hydraulic column to do telescopic motion, so that the angle between a second limiting rod and a lower connecting base and the angle between a first limiting rod and an upper connecting base are changed, by arranging a hydraulic pushing limiting structure, the limiting adjustment work of equipment can be greatly improved, and meanwhile the labor amount of workers is reduced.

A device for installing and lifting electrical cabinets inside a passenger compartment belongs to the field of electrical cabinet transportation and installation technology. It includes a lifting assembly connected to a mobile platform, which lifts a fork assembly. A control assembly 40 is electrically connected to the lifting assembly and controls the lifting of the fork assembly. The mobile platform includes several wheel assemblies 14. The fork assembly includes forks 22, with several positioning holes 24 on the side of each fork 22. A positioning shaft 25 is rotatably engaged with the positioning holes 24. Several positioning protrusions 26 are provided at the end of the positioning shaft 25. The electrical cabinet base has holes. Rotating the positioning shaft 25 causes the positioning protrusions 26 to engage with the hole walls of the electrical cabinet base holes, thus fixing the electrical cabinet. This invention enables the transportation and positioning of electrical cabinets inside the passenger compartment of a subway vehicle, significantly reducing manual labor intensity and improving overall production efficiency. The device lifts and lowers the electrical cabinet smoothly and allows for precise alignment of the electrical cabinet mounting holes with the car body studs or mounting bases during assembly.

The invention discloses a lemon harvesting robot, which comprises a walking unit, a clamping unit, a pruning unit, a driving unit, a lifting unit, a loading and unloading unit and a monitoring unit, and is characterized in that the walking unit is used for walking; the clamping unit is used for clamping or loosening lemons; the pruning unit is used for pruning; the driving unit is connected with the clamping unit and the pruning unit and used for driving the clamping unit and the pruning unit to freely move in the space so as to adjust the orientation and the pitching angle of the clamping unit and the pruning unit; the lifting unit is connected with the walking unit and the driving unit and used for driving the driving unit to move up and down so as to adjust the heights of the clamping unit and the pruning unit; the loading and unloading unit is connected with the walking unit and used for loading or unloading lemons. The lemon picking machine has the advantages that automatic picking of lemons can be achieved, it is guaranteed that lemon harvesting operation is completed in the optimal agricultural time window in a high-quality, efficient and low-labor-load mode, loss is reduced from the industrial source, and supply is guaranteed.

The utility model provides a waste recovery mechanism for cutting automobile parts, which relates to the technical field of waste recovery and comprises a vibrating screen separation mechanism, one side of the outer wall of the vibrating screen separation mechanism is fixedly connected with a conveying mechanism, the vibrating screen separation mechanism comprises a base, and three sliding grooves are formed in the top of the base. Sliding blocks are connected between the inner surface walls of the three sliding grooves in a sliding mode. According to the waste vibration screening device, under the action of the vibration screening separation mechanism, the connecting rod is movably inserted into the hole, the vibration space is reserved between the connecting rod and the hole, and the driving motor is started to enable the vibration screening net to vibrate, so that vibration screening of waste is achieved, and therefore the waste of different sizes and specifications is classified; waste materials of different specifications are placed in different areas, safety and neatness are guaranteed, harm to the environment and personnel is prevented, the waste material recycling efficiency and utilization rate are improved, and the convenience and practicability of the waste material recycling mechanism are enhanced.

The application relates to the technical field of loudspeaker equipment, and discloses a clamping ear type composite conduction earphone, which comprises a shell, the shell has a containing cavity, an opening is formed in the shell, a vibrating diaphragm is covered on the opening, the edge of the vibrating diaphragm is in sealing connection with the edge of the opening, a vibrating structure is arranged on the shell, the vibrating structure comprises a vibrating piece and a vibrating cover arranged on the vibrating piece, a connecting sheet is in detachable fixed connection with the vibrating cover, the connecting sheet is connected with the containing cavity, a controller is in electric connection with the vibrating piece, and a connecting pipe is in detachable connection with the shell and the controller at two ends respectively. The problem that the production cost is high in the prior art is solved.

The utility model relates to a kind of replacement device of wheel set, the wheel set of liquid suspension crane can be quickly replaced, the liquid suspension crane is slidably connected on track by wheel set, the replacement device includes jack for jacking liquid suspension crane, the replacement device includes mounting seat, support plate, ball screw structure, power source, the mounting seat is provided with slide rail, the length extension direction of the slide rail is perpendicular to the length extension direction of track, the bottom of the support plate is provided with pulley, the pulley is slidably connected on slide rail, the ball screw structure is respectively connected with support plate, power source transmission, and ball screw structure is used to drive support plate to move along slide rail, the power source is set on mounting seat, and power source is used to drive ball screw structure movement.

The utility model relates to the technical field of automobile fuel tanks, in particular to a fuel tank placing rack which comprises a material rack body, layer frames and object placing units, the material rack body is of a frame structure, the layer frames are installed in the frame structure of the material rack body and horizontally arranged, and the object placing units are installed on the layer frames. And a sliding structure for placing the fuel tank is arranged on the storage unit. The fuel tank is placed on the sliding structure, so that the friction force between the fuel tank and the plant unit is reduced when the fuel tank is taken, and the fuel tank is prevented from being damaged.

The utility model provides a kind of promotes inverted material device, including fixed frame, the horizontal support shaft pole of fixed frame top rotation is equipped with, the lifting frame for placing material frame is equipped in the fixed frame, the top side of lifting frame is rotatably connected with support shaft pole, the drive assembly for driving lifting frame rotation along support shaft pole as the axis is equipped on the fixed frame. The device has the advantage of facilitating the dumping of material in the material frame.

The utility model provides adhesive raw material transfer equipment. The adhesive raw material transfer equipment comprises a supporting column; a deflection seat is movably connected to the bottom of the connecting seat, a shaft rod is movably connected to the bottom end of the deflection seat, a connecting rod is movably connected to the outer side of the shaft rod, a connecting plate is welded to the bottom of the connecting rod, a hook claw is clamped to the outer side of the connecting plate, and a driving motor drives a cable roller to release and recycle a cable, so that the working height of the hook claw is changed; a worker drives the hook claws on the connecting plate to penetrate into an adhesive raw material package through operation, the shaft rod is matched with the deflection base, and when a user grabs the adhesive raw material package bag through the hook claws on the front side and the rear side of the connecting base, the connecting rod can deflect in the left-right direction below the connecting base according to the position of the package bag; and workers can conveniently transfer adhesive raw material packaging bags, the labor load of the workers is relieved, and the problem that in existing adhesive raw material feeding, the labor load is large when raw materials are manually transferred is solved.

The present invention relates to an automatic billet feeding system, comprising a feeding roller connected to a heating furnace, the feeding roller having a detection section and at least one feeding section, each of the feeding sections and the detection section being arranged in sequence along the feeding direction of the roller; a feeding platform is arranged on one side of the feeding section, and the feeding platform is connected with the corresponding feeding section through a steel moving machine; the detection section is provided with a billet specification detection mechanism, a waste billet platform is arranged on one side of the detection section, and a waste billet rejection device is provided on the detection section. The automatic billet feeding system provided by the present invention can realize the automatic feeding and automatic furnace feeding of billets, reduce the labor load of operators, and significantly improve production efficiency. The feeding roller is divided into a plurality of sections, each section is independent of each other and cooperates with each other, which can improve the smoothness and reliability of production; the detection section detects the specifications of the billets to ensure the compliance of the billets entering the furnace and avoid damage to the heating furnace.

The utility model relates to an auxiliary device for assembling a spherical tank, which comprises a clamping groove and an inserting plate, the clamping groove is in the shape of a rectangular block, and a longitudinal through seam and a transverse and through first through hole are formed in the clamping groove; one side of the through seam is through; the insertion plate is in a flat plate shape, and a second through hole penetrating through the plate face of the insertion plate is formed in the insertion plate. The inserting plate can be movably inserted into the through seam, and the first through hole corresponds to the second through hole; the clamping groove and the inserting plate are respectively provided with a connecting structure which can be connected with a spherical shell plate of the spherical tank. According to the spherical shell plate seam lapping machine, the seam lapping work of a spherical shell plate can be completed through the hydraulic jack, so that the assembly gap, the unfitness of butt joint and the angle of angularity of the spherical shell plate meet the standard requirements, the labor load of workers is greatly reduced, the construction efficiency is improved, meanwhile, the risks of hammer falling, pin falling and the like in the past can be eliminated, and the construction requirements are fully met.

This invention discloses a flange separator, relating to the technical field of flange separation, comprising: a central connecting rod assembly, and two separation mechanisms symmetrically arranged at both ends of the central connecting rod assembly; the central connecting rod assembly includes a first connecting rod and a second connecting rod, which are movably sleeved together in an axially relative telescopic manner to form an adjustable-length rigid lever arm. The thrust applied by the operator is effectively integrated and transmitted to the separation mechanisms at both ends through the rod itself, avoiding the asynchronous problems that may occur with multiple power sources and ensuring the coordinated and consistent separation action. The locking mechanism is designed to allow the first and second connecting rods to be easily telescopically adjusted to adapt to different flange spacings, while ensuring that their relative positions are absolutely fixed when subjected to huge reaction forces during separation operations, preventing any possible sliding or contraction, thereby ensuring the stable transmission of separation force and operational safety.

The utility model discloses a kind of railway wagon buffer device table-shaped disintegrator, the utility model relates to disintegrator technical field, including rack, buffer and from plate push-out mechanism, hook tail frame lifting mechanism, buffer line changing mechanism and from plate stack frame mechanism, buffer and from plate push-out mechanism, buffer line changing mechanism and from plate stack frame mechanism are fixedly installed in the upper end surface of rack, hook tail frame lifting mechanism is set to be directly below the rack, and hook tail frame lifting mechanism rack includes rack desktop and desktop baffle, the utility model has the advantages that: solve the problem of the disintegrator installation and maintenance inconvenience of each type of truck coupler buffer device and from plate automatic frame stacking, reduce equipment maintenance and repair cost, reduce personnel labor load, and provide basic prerequisite for from plate automatic transfer, compared with prior art, equipment is more portable as a whole, need not ground pre-buried foundation, equipment is placed more stable, equipment structure is simple and easy to maintain.

The utility model provides a movable chassis hole burr cleaning device which structurally comprises a working table, a positioning pipe is fixedly arranged on the top face of the working table, and a shaft sleeve is connected to the outer side of the positioning pipe in a sleeved mode. The bottom of the first connecting rod is movably connected with a connecting shaft, the top of the first connecting rod is movably connected with a second connecting rod, and the bottom of the second connecting rod is movably connected with a support, a rubber-coated holding rod and the support. The vibration generated when the handheld electric polisher works is prevented from being directly transmitted to the hands of a worker, in the polishing operation process of the worker, the worker only needs one hand to press an injection molding part on the table top of the working table, the other hand operates the rubber coating holding rod, the polishing operation can be completed, the hands of the worker do not need to bear the weight of the electric polisher, and the labor intensity of the worker is reduced. And the labor load of workers is reduced, and the problem that the manual labor load is large in deburring operation of an existing injection molding movable chassis is solved.

A multi-scale umbrella-shaped conical surface adjustable positive and reverse mining equipment and construction method, the equipment: the upper end of the fixed disc is equipped with four drill bits; the telescopic support rod is assembled at the lower end of the fixed disc through the base, and the tail end is externally sleeved with an expandable support disc base; the inner ends of the three expandable support discs are connected with the expandable support disc base, and the outer ends are provided with support fixed engagement racks; the outer conical surface of the movable main umbrella body has three rock breaking areas in sequence, and is sequentially provided with drill bits; the inner conical surface is sequentially provided with three support steps, and is sequentially provided with large, medium and small scale drilling fixed engagement racks; the ends of the three movable main umbrella body conical surface connecting rods respectively extend into the three arc-shaped grooves on the fixed disc, and the conical surface connecting rod and the arc-shaped groove are hinged through a rotating connecting piece. The method: according to the drilling object, the forward or reverse drilling mode is adopted, and the support angle is controlled according to the actual working condition. The equipment and method can meet the needs of various drilling conditions.

The invention discloses a device for bearing wear-resistant mixed copper powder, including a dispersion tank, a heating device, a liquid adder, a transmission pipe, a storage box, a nozzle, and a pulser; the liquid storage tank is located above the reaction tank, and the storage box is located below the reaction tank; an agitator is arranged inside the dispersion tank, a powder feed port and a liquid feed port are arranged on the top, and a solenoid valve is arranged at the bottom; the nozzle is located at the bottom of the storage box; the liquid adder includes a liquid storage tank; a flow valve is connected to the bottom of the liquid storage tank; the flow valve is connected to a liquid outlet pipe; the powder feed port and the liquid feed port are respectively provided with a powder feed port cover and a liquid feed port cover; the liquid outlet pipe is inserted into the liquid feed port cover and is located in the liquid feed port; the liquid storage tank is provided with an auxiliary agent inlet and a low boiling point solvent inlet; the outer wall of the liquid storage tank is provided with a heating and heat-insulating layer; the liquid storage tank is provided with an air suction hood, and the air suction hood is connected to the solvent recovery tank through an air pipe. The preliminary dispersion of the auxiliary agent can be achieved by high-speed shearing, and the viscosity of the system can be reduced by heating to help the dispersion of the copper powder and the auxiliary agent.

The utility model relates to the field of railway box girder processing, in particular to a novel railway box girder full-length rib processing platform, which is provided with a plurality of groups of mould main bodies, the plurality of groups of mould main bodies are arranged in parallel, and two adjacent groups of mould main bodies are connected through a group of working platforms. The binding moulds are connected through the working platform, so that the deformation areas of the two binding moulds are shared, and the space is saved; a longitudinal distribution bar placing platform is arranged on the side, close to a beam storage area, of a reinforcement cage binding mould in the bridge direction by means of an originally-designed walking plate, a longitudinal full-length bar machining platform is transferred to a front field of a binding area from a back field of a reinforcement field through a common reinforcement bar machining platform arrangement mode, and longitudinal machining and transverse transportation of longitudinal common reinforcement bars are achieved; the construction efficiency is greatly improved, the labor force and the labor load of operators are reduced, the cost is saved, operation is convenient, practicability is high, construction is convenient, safety is high, and the working environment is improved.

The application provides a local metal reinforced epoxy-based carbon fiber composite tool head and a preparation method thereof, and relates to the technical field of work tools.The tool head body provided by the application is made of an epoxy-based carbon fiber composite material, and only a working surface is provided with a metal insert, so that light weight and work performance are considered;the self weight of the composite material is light, the metal insert makes up for the local wear resistance and shear resistance defects of the composite material, the metal insert is fixed by being pre-embedded and formed in combination with at least one secondary reinforcing structure, the interface failure problem of a single connection mode is solved, the bonding is firm under high load, and there is no delamination and debonding risk;the preparation method provided by the application integrates the whole process of simulation layering, hot pressing curing, precision machining and interface strengthening, the forming process is optimized in a directional manner according to the stress characteristics of the hydraulic tool head, the interface between the metal and the composite material is combined stably, the consistency of the finished product is high, and the batch industrial manufacturing requirements are met.

The utility model discloses a waterproof plate trolley operation platform which comprises a platform base, a hinge seat connected with a telescopic arm assembly is arranged on one side of the platform base, a first protection plate, a second protection plate and a third protection plate are arranged above the platform base respectively, and the first protection plate and the third protection plate are arranged on the two sides of the platform base respectively. The first protective plate and the third protective plate are parallel to each other, the second protective plate is fixed between the first protective plate and the third protective plate, two vertically parallel fixing blocks are fixed to one side of the third protective plate, a rotatable rotating shaft is arranged between the two fixing blocks, a supporting plate is fixed to the outer side face of the rotating shaft, and a placing frame is welded to the upper surface of the supporting plate. According to the waterproof board trolley working platform, the situation that workers fall off when working on the working platform can be avoided, the working safety is improved, meanwhile, the workers can take tools conveniently, the labor load of the workers is reduced, and the working efficiency is improved.

The invention discloses smelting equipment capable of automatically adding a catalyst, and relates to the technical field of metal smelting. The device comprises a supporting frame, a smelting furnace is installed at the lower end of the supporting frame, a storage assembly used for storing the catalyst is installed at the top end of the supporting frame, and a screening assembly used for screening the catalyst is installed at the top end of the storage assembly. A feeding assembly for automatically feeding a catalyst is mounted in the middle of the supporting frame; a catalyst added into the material storage tank is screened through the screening assembly, the caked catalyst is prevented from being added into the material storage tank and influencing adding of the catalyst, the catalyst is quantitatively added into the smelting equipment through the adding assembly, and when the catalyst is discharged from the interior of the material storage tank, the catalyst cannot be attached to the inner wall of a discharging pipeline; and the effect of accurately and automatically adding the catalyst is achieved.

The utility model discloses a crawler-type wet spraying machine which comprises a machine frame, a sinking type installation frame is arranged at the front end of the machine frame, an arm frame mechanism is arranged in the sinking type installation frame, a pumping mechanism is arranged at the tail end of the machine frame, and a crawler walking mechanism and a supporting leg mechanism are arranged on the two sides of the machine frame respectively. An electric control cabinet, a motor, an oil pump set, a hydraulic system, a hydraulic oil tank and a plurality of control valves are arranged on the rack; the electric control cabinet is connected with the motor, the power output end of the motor is connected with the oil pump set, the oil pump set is connected with the hydraulic oil tank and the hydraulic system, the hydraulic system is connected with the control valves, the control valves are connected with the arm support mechanism, the crawler walking mechanism, the supporting leg mechanism and the pumping mechanism respectively, and the hydraulic system is further connected with the pumping mechanism. The device is widely applicable to small and medium-sized tunnel construction environments, and has the characteristics of high working efficiency, good adjustability, convenience in observing the guniting condition and the like.