510 results about "Left wall" patented technology

The utility model discloses an engine nacelle, which is applied to the field of aircraft manufacturing, is used for improving the structural strength of an aircraft engine nacelle, and comprises a front firewall, a rear firewall, an upper firewall, a front section skin, a middle section skin, a rear section skin and a mounting frame, a second through hole is formed in the rear firewall; the upper firewall is arranged between the front firewall and the rear firewall, the front end of the upper firewall is connected with the front firewall, the rear end of the upper firewall is connected with the rear firewall, the mounting frame and the U-shaped reinforcing beam are both of a U-shaped structure and are both located on the front side of the front firewall, and the mounting frame is arranged above the U-shaped reinforcing beam; the rear end of a front-section lower wall plate of the front-section skin is connected with the U-shaped reinforcing beam; the front ends of a middle-section left wall plate, a middle-section right wall plate and a middle-section upper wall plate of the middle-section skin are connected with the mounting frame; and the outer sides of the upper firewall, the front firewall and the rear firewall are coated with the middle-section skin.

Disclosed is a storage basket. The storage basket includes: a bottom wall, a left wall, a right wall, a front wall, a rear wall. Wherein the left wall extending substantially vertically upward from a left end of the bottom wall, the right wall extending substantially vertically upward from a right end of the bottom wall.

The utility model discloses a standard knot rack assembling device which comprises a base plate, a left wall plate, a right wall plate, a connecting column, a rack positioning device, a standard knot tensioning device, a rack guide seat, a rack ejection seat, a rack jacking device, a standard knot pressing device and a standard knot disengaging device. A plurality of connecting columns are arranged between the left wall plate and the right wall plate, the left wall plate is provided with a rack ejecting device, a rack ejecting seat and a standard knot pressing device, and the right wall plate is provided with a rack guiding seat, a rack positioning device, a standard knot tensioning device and a standard knot disengaging device. Wherein the rack jacking device, the standard knot tensioning device, the standard knot pressing device and the standard knot disengaging device are all connected with a pushing electric cylinder. The device is high in positioning precision, rapid in installation, high in efficiency and simple in structure.

Disclosed is a system for storing bakeware items in an organized and efficient manner. The bakeware caddy may include a short divider orthogonal to a left wall, a right wall, and a bottom surface; and a long divider orthogonal to the short divider and the bottom surface. Accordingly, the caddy may comprise one or more pockets, for example a rear pocket, a left pocket, and a right pocket, formed by disposition of the one or more walls and dividers. A strap may be disposed on the outer circumference of the caddy, the strap comprising one or more ends magnetically engaged. Thus, reversible magnet adherence of the strap ends may enable withdrawal and placement of bakeware items within the caddy. The caddy and the components thereof may be composed of various materials to enable rigidity and support and may be further covered in fabric to prevent damage to the bakeware items.

A pen-type full-automatic precision injection system, comprising: a support table (1), an injection assembly (2), a connecting device (3), a control console (4), and a control switch (5). The control console (4) is arranged on the support table (1), the injection assembly (2) is connected to the control console (4) by means of the connecting device (3), and the control switch (5) can control the injection assembly (2) by means of the control console (4). The injection assembly (2) comprises an auxiliary positioning device (21), a housing (22), a drug storage device (23), a first movement assembly (24), and a second movement assembly (25). The auxiliary positioning device (21) is connected to a left wall of the housing (22). The first movement assembly (24) can drive an outer barrel (231) of the drug storage device (23) to move left and right, an injection needle (232) of the drug storage device (23) can penetrate through the housing (22) and the auxiliary positioning device (21) to pierce the skin of a human body, and the second movement assembly (25) can push a pushing rod (233) of the drug storage device (23) to move to push an injection liquid into the human body. The pen-type full-automatic precision injection system can achieve functions such as automatic injection, adjustment of the injection depth, precise control over the needle piercing depth, precise control over the injection dose, precise control over the injection rate, bubble detection, and pressure detection during injection.

The utility model provides an assembly type wall body for a high-rise building, which comprises a left wall plate and a right wall plate, a plurality of fixing steel bars which are arranged at equal intervals are arranged at the upper ends of the left wall plate and the right wall plate, a plurality of butt joint holes which are uniformly distributed are arranged at the lower ends of the left wall plate and the right wall plate, a rapid preliminary fixing mechanism is arranged on the front side of the left wall plate, and a rapid preliminary fixing mechanism is arranged on the rear side of the right wall plate. And a sealing assembly is arranged between the left wall plate and the right wall plate. According to the fabricated wall body for the high-rise building, the two wallboards can be rapidly and primarily fixed, so that the two wallboards can be rapidly and primarily fixed without more manpower and complex tools to ensure that the two wallboards are horizontal for subsequent pouring, the labor cost is remarkably reduced, the construction efficiency is improved, and the construction cost is reduced. The construction period is shortened, and the overall construction cost is further reduced.

The wire feeding mechanism of the improved corrugated board main nail head machine head device comprises a machine head shell, a left fixing frame is fixed to the upper portion of the left side wall of a left side plate of the machine head shell, and a right fixing frame is fixed to the upper portion of the right side wall of a right side plate of the machine head shell. A main driving motor is fixed to the right side wall of a right side plate of the right fixing frame and drives a second transmission shaft movably connected in the left fixing frame through a bearing to rotate, third transmission gears are fixed to the left portion and the right portion of the second transmission shaft, and a connecting shaft is fixedly connected between a left side plate of the left fixing frame and the rear portion of a middle wall plate. Two positioning blocks are movably connected to the connecting shaft, pressing rollers are movably connected to the interiors of the positioning blocks, and transmission tooth parts are fixed or formed at the ends of the pressing rollers; parts such as the left fixing frame and the right fixing frame are located on the left side and the right side of the machine head shell, so that the height of the whole machine head shell is reduced, the installation range of the machine head shell is enlarged, and the applicability is better.

A cassette includes: a lower case having a box-like shape; a ribbon roll which is a roll of an ink ribbon; a take-up spool configured to take up the ink ribbon from the ribbon roll; and a protrusion provided in the lower case. The lower case includes: a front wall; a rear wall; a left wall; a right wall; a first inner wall; a second inner wall; a third inner wall; and a fourth inner wall. The protrusion protrudes rightward from a portion of the fourth inner wall other than a front edge and a rear edge of the fourth inner wall. The protrusion is configured to contact a widthwise center portion of the ink ribbon to cause the ink ribbon to be curved along a width of the ink ribbon so that the widthwise center portion of the ink ribbon protrudes rightward.

The invention discloses an agricultural engineering irrigation pipeline laying guide device capable of conveniently adapting to terrains, and relates to the technical field of pipeline laying. The inner ring of the left side of a guide buckle plate makes contact with the left wall of a guide frame, the front end and the rear end of the guide frame are connected with a lower connecting plate and an upper connecting plate through angle mechanisms correspondingly, and an annular observation opening is formed in the upper end of the upper connecting plate; the pipeline laying guide device has the advantages that laying of a pipeline can be guided, the pipeline can be fixed to the guide frame, the pipeline can be stably laid between the guide frame and the guide buckle plate, and the pipeline laying guide device is convenient to use and high in practicability. The stability of the pipeline during use is improved, displacement of the guide frames during use is avoided, the guide frames can adapt to different terrains, the angle between the adjacent guide frames can be indicated, workers can know the bending degree of the pipeline in advance after the pipeline is laid, and resistance in the pipeline is reduced.

The utility model discloses universal joint detection equipment, which relates to the technical field of universal joint detection and comprises a bottom plate, a mounting frame arranged at the top of the bottom plate, a transverse moving frame slidably arranged on the right side of the top of the bottom plate, a vertical moving frame arranged at the moving end of the transverse moving frame, and a moving block arranged at the moving end of the vertical moving frame. Clamping mechanisms are arranged on the side walls of the mounting frame and the moving block, each clamping mechanism comprises a rotating disc rotationally arranged on the right side wall of the mounting frame and a rotating disc fixedly connected to the left wall of the moving block, and a telescopic air cylinder and a clamping seat are arranged on each rotating disc through a mounting plate. According to the utility model, the clamping mechanism is matched with the synergistic effect of the transverse moving frame, the vertical moving frame and the moving block, so that the clamping mechanism on the right side can flexibly move left and right and up and down in a space range, the actual detection requirement is met, meanwhile, under the action of the clamping seat, the clamping requirements of universal joints with different sizes can be met, and the working efficiency is improved. Therefore, the applicability of the device is improved.

The utility model discloses a flocculant production feeding device with a flow guide function, which comprises a support frame, a mounting box arranged on the upper side in the support frame, an output rod rotatably connected to the middle of the left wall of the mounting box, a spiral piece arranged in the middle of the outer cambered surface of the output rod, and a feeding hopper arranged in a feeding hole formed in the left side of the upper end of the mounting box, a discharging pipe is arranged in a discharging opening formed in the right side of the lower end of the mounting box, a discharging valve is connected to the middle of the discharging pipe in series, and the lower end of the discharging pipe communicates with the upper end of the flow guide hose. The adjusting mechanism comprises a connecting plate and a fixing rod, the fixing rod is arranged on the front side of the outer arc surface of the flow guide hose, the connecting plate is arranged at the front end of the fixing rod, and an adjusting groove is formed in the upper side of the front end of the connecting plate. The stability of the flow guide hose is improved, meanwhile, the adjusting precision of the flow guide hose is guaranteed, the device adapts to different working conditions, and higher operation flexibility is provided.

The utility model relates to the technical field of packaging machines, in particular to an automatic pushing type waste paper packaging machine which comprises a base, a packaging box is arranged at the upper end of the base, two first telescopic air cylinders are fixedly installed at the upper end of the packaging box in a penetrating and penetrating mode, and a pressing plate is arranged at the output ends of the two first telescopic air cylinders together. A plurality of protrusions are arranged at the lower end of the pressing plate, an attaching groove is formed in the lower portion of the inner rear wall of the packing box, guide grooves are formed in the middle of the inner left wall and the middle of the inner right wall of the packing box, and a material pushing device is movably installed in the two guide grooves and the attaching groove jointly. According to the automatic material pushing type waste paper packing machine, the material pushing plate is matched with the second telescopic air cylinder, waste paper bags can be rapidly and accurately pushed out, the transfer plate can also be rapidly located and in butt joint, the packing and transfer efficiency is greatly improved, a brush at the lower end of the material pushing plate cleans the force bearing plate during working, it is guaranteed that equipment is clean, and safe operation is achieved; the maintenance cost is reduced and the service life is prolonged.

The invention relates to a construction process and grinding equipment for artificial marble surface repairing based on the AI technology, and belongs to the technical field of artificial marble surface repairing. The inner bottom wall of the box body is provided with an adjusting mechanism which extends into the working table and can ensure that the working table can better adapt to different marbles, the bottom of the box body is provided with a vacuum assembly for improving the connecting tightness of the marbles and the working table, and the inner right wall of the box body is provided with a polishing assembly located above the working table; a dust suction assembly for effectively adsorbing dust is arranged on the inner left wall of the box body, and a detection device is fixed to the inner top wall of the box body. According to the artificial marble surface repairing construction technology based on the AI technology and the grinding equipment, through cooperation of the vacuum assembly, the grinding assembly, the dust collection assembly and the detection device, the grinding quality of the artificial marble surface can be effectively improved, and the industry requirements are met.

This utility model discloses an anti-deviation device for a belt conveyor, comprising a frame, a rotating plate hinged to the upper left side of the frame, a drive motor fixedly installed on the upper left wall of the rotating plate, a drive shaft fixedly installed on the right wall of the drive motor, a sprocket fixedly installed through the left side of the drive shaft, and a chain meshing with the outside of the sprocket. This anti-deviation device for a belt conveyor detects the raw material using an infrared detection device. When the raw material deviates from the specified track, the drive motor is automatically started, driving two driven pulleys to rotate, which in turn drive two rotating rods to rotate, thereby driving a bevel gear set to rotate. The rotation of the bevel gear set drives a bidirectional lead screw to rotate, thereby driving the slider and connecting rod to move inward, so that the push plate adjusts the position of the raw material. After the work is completed, the rotating plate is rotated by starting a hydraulic cylinder, which facilitates cleaning of the equipment and reduces the labor burden of the user.

The invention discloses an aircraft delivery interface skin trimming tool and a using method thereof, and belongs to the technical field of aircraft part machining. The trimming tool comprises the following trimming tools for a barrel section wall plate and a ship section wall plate; wherein as for the barrel section wall plates, the barrel section upper wall plate skin trimming tool, the barrel section left wall plate skin trimming tool and the barrel section right wall plate skin trimming tool each comprise two vertical plates which are oppositely arranged, and the two vertical plates are fixedly connected; the ship body left side lower wall plate skin trimming tool, the ship body right side lower wall plate skin trimming tool, the ship bottom left wall plate skin trimming tool and the ship bottom right wall plate skin trimming tool for ship section wall plates are each provided with one side consistent with the corresponding skin in appearance and can be detachably connected to a machine head final assembly fixture. Line drawing trimming is conducted on the skin through the trimming tool, the precision of the trimming basis is improved, and the length error of the skin after trimming is reduced.

The utility model discloses a multipurpose outdoor dining table which comprises a table plate mechanism, the lower side of the table plate mechanism is rotatably connected with a supporting mechanism, the left side of the table plate mechanism is fixedly connected with a fixing mechanism, and the table plate mechanism comprises a dining table plate, a handle, a rotating groove, a hinge mounting groove, a storage groove, a supporting mechanism recycling groove and a hinge. The supporting mechanism recycling groove is formed in the edge of the lower wall of the dining table board, the fixing mechanism comprises a fixing plate, a rotating rod, a rotating hole, a rotating plate, a fixing buckle and a fixing protrusion, the fixing plate is fixedly connected to the middle of the left wall of the dining table board on the upper side, and the supporting mechanism comprises a connecting rod, a rotating rod, a supporting rod, a threaded cylinder, a threaded rod and a supporting base. And the rotating rod is rotationally connected to the interior of the rotating groove. By means of the structure, the heights of the different table legs can be freely adjusted, the table top can be kept horizontal on the uneven ground, and the table is not prone to falling off.

This utility model provides a sewage sedimentation device, relating to the field of sewage treatment technology. It includes a sewage sedimentation tank, with a control box installed on the left side. The control box houses a control motor, and an output gear is fixedly mounted on the output shaft of the control motor. A transmission belt is mounted on the surface of the output gear. A limit frame is fixedly installed on the inner left wall of the sewage sedimentation tank, and a transmission screw is installed inside the limit frame. A transmission gear is fixedly mounted on the left end of the transmission screw, and a movable slider is mounted on the surface of the transmission screw. This utility model utilizes the rotation of the control motor to move a cleaning plate to the right. As the cleaning plate moves, a contact block adheres to the bottom end of a trapezoidal stop and moves to the right accordingly. During this movement, the contact block is squeezed by the trapezoidal stop, ensuring that the cleaning plate remains in contact with the top inclined surface of the trapezoidal guide plate, cleaning impurities from the top inclined surface of the trapezoidal guide plate into a collection box.

To reduce the manufacturing cost of ink cartridges with asymmetrical shapes. [Solution] The ink cartridge 30 comprises a blow-molded container body 31. The container body 31 has a left wall 42, a right wall 43, a storage chamber 46 between the left wall 42 and the right wall 43, and a supply section 33 that connects the storage chamber 46 to the outside. A parting line 717 is located in the supply section 33. The distance along the left-right direction from the left wall 42 to the parting line 717 of the supply section 33 is referred to as the first distance D1. The distance along the left-right direction from the right wall 43 to the parting line 717 of the supply section 33 is referred to as the second distance D2. The first distance D1 is longer than the second distance D2.

The utility model relates to the technical field of litchi processing, in particular to a quick pretreatment device for litchis before freezing, which comprises a cleaning box, fixing plates are fixedly connected to the middle of the inner left wall and the middle of the inner right wall of the cleaning box, a tray is fixedly connected between the two fixing plates, and a supporting groove is formed in the upper end of the tray. A placing mechanism is clamped and connected into the supporting groove, a cleaning mechanism is fixedly connected to the upper wall in the cleaning box, push handles are fixedly connected to the upper portion of the left end and the upper portion of the right end of the cleaning box, and drainage pipes are arranged on the lower portion of the left end and the lower portion of the right end of the cleaning box. According to the quick pretreatment device before freezing of the litchis, pesticide residues and dust on the surfaces of the litchis can be cleaned, compared with manual cleaning, the cleaning efficiency is high, the litchis can be quickly cleaned and pretreated, the subsequent freezing procedure can be accelerated, and the labor intensity of workers is reduced. Therefore, the overall efficiency of litchi processing can be improved.

The utility model discloses a diversion and collection device of a wet dust collector, which belongs to the technical field of dust collection equipment and comprises a bottom plate, a rectangular box is mounted at the top of the bottom plate, a water collection tank is mounted at the bottom in the rectangular box, and convenient-to-disassemble components are mounted on the left side and the right side of the top of the water collection tank. A filter plate is installed between the assembly convenient to disassemble and the inner wall of the water collecting tank, a water injection pipe is installed on the left side wall of the water collecting tank, the water injection pipe penetrates out of the rectangular box, and a dust removal cylinder is installed at the top in the rectangular box. And when the filter plate needs to be replaced, a connecting rod is pushed upwards, and one end of the connecting rod moves upwards along a sliding groove through a sliding block; the other end of the connecting rod drives the disc to extrude the corrugated pipe, so that the bottom of the corrugated pipe is far away from the top of the water collecting tank, a space is reserved for taking out the filter plate, and the filter plate can be taken out from the water collecting tank through the convenient-to-disassemble assembly.

The utility model relates to the technical field of film cutting, and discloses a spacing adjusting mechanism for polyethylene film cutting, which comprises a cutting roller and a cutting blade arranged on the outer side surface of the cutting roller, the outer wall surface of the cutting roller is in sliding connection with a mounting sliding ring, and a positioning mechanism is arranged on the mounting sliding ring. The positioning mechanism comprises two positioning rubber rings symmetrically arranged on the left side and the right side of the cutting blade, an adjusting threaded rod in a horizontal state is fixedly installed in the middle of an inner cavity of the cutting roller, and the outer side of the adjusting threaded rod is sleeved with a mounting plate corresponding to the mounting sliding rings in position. An adjusting mechanism for driving the mounting sliding ring to move left and right is arranged on the mounting plate; and the adjusting mechanism comprises an adjusting threaded sleeve rotationally connected with the middle part of the mounting plate and an adjusting worm rotationally connected with the rear side position of the left wall surface of the mounting plate. By arranging the adjusting mechanism, the distance between the cutting blades can be conveniently adjusted by the equipment, and the use convenience of the equipment is improved.

The utility model relates to the field of experiment teaching, and discloses a combined operation device for experiment teaching, which comprises an experiment table main body, two hydraulic push rods are fixedly connected in the experiment table main body, the tops of the two hydraulic push rods are both fixedly connected with the bottom of a first support plate, and the top of the first support plate is fixedly connected with the bottom of a second support plate. A motor is fixedly connected to the bottom of the first supporting plate, a first receding groove is formed in the top wall of the interior of the experiment table body, a display table in sliding connection with the first receding groove is fixedly connected to the outer side of an output shaft of the motor, and a second receding groove is formed in the left wall of the interior of the experiment table body; a storage box is slidably connected to the interior of the second receding groove, and a second supporting plate is rotatably connected to the bottom of the storage box. The combined operation equipment for experiment teaching has the advantages that the display direction of an experiment result can be adjusted, the occupied space of an experiment table top by an experiment instrument is reduced, and waste is conveniently collected.

The utility model relates to the technical field of animal husbandry, in particular to an anti-clogging TMR automatic feeding machine, which is characterized in that troughs are respectively and fixedly arranged below discharge ports formed in the front and rear side walls of a supporting seat, two striker plates are rotatably connected in a feed through port formed in the lower part of a mixing box through a shaft and a bearing, and a blanking mechanism connected with the striker plates is arranged in the supporting seat; the driving motor is fixedly arranged on the left side wall of the mixing box, a rotating rod is rotationally connected into the mixing box through a bearing, one end of the rotating rod is connected with an output shaft of the driving motor, a fixing rod is rotationally inserted into the rotating rod through a bearing, one end of the fixing rod is connected with the inner wall of the mixing box, and the stirring rods are rotationally inserted into the rotating rod through bearings. A plurality of cutting knives are fixedly arranged on the stirring rod, one end of the stirring rod is in transmission connection with the fixing rod through a bevel gear pair, the feed can be further finely crushed in the feed mixing process, the mixed feed can be scattered in the feeding and discharging process, and the risk of feed blockage is fully reduced.

The utility model relates to an ejection structure for pulling deformation, forced demolding and oblique piece taking. A rear mold core is fixedly arranged on a rear mold plate of a mold, a channel is formed in the rear mold core, a straight ejection block and a straight ejection rod are arranged in the channel, the straight ejection block is located at the top of the straight ejection rod and connected with the straight ejection rod, and the bottom of the straight ejection rod is fixed to an ejector plate. A long-strip-shaped component which is defined by a left wall face, an upper wall face and a right wall face and is provided with a downward opening is adopted for the product, the inner side of the left wall face and the inner side of the right wall face of the product are each provided with a protruding long-strip-shaped inverted buckle, a long groove is formed in the contact position of a straight ejector block and a rear mold core, and the long-strip-shaped inverted buckle on the inner side of the right wall face is correspondingly formed during injection molding. A pulling deformation sliding block is arranged on the left side of a protruding part on the top of the rear mold core, a long groove is formed in the contact position of the rear mold core and the pulling deformation sliding block, and a long-strip-shaped inverted buckle on the inner side of the left wall face is correspondingly formed in the injection molding process. The utility model has the advantages of better structural strength and relatively lower risk of top block printing, and ensures the appearance quality and qualified rate of products.

The application provides a wall object splicing method and device and electronic equipment. The method comprises the following steps: obtaining M first wall objects in a straight wall form associated with a starting point of a target wall object in a straight wall form; classifying the M first wall objects into left and right wall objects, storing the first wall objects on the left side of the starting point of the target wall object in a first array, and storing the first wall objects on the right side of the starting point of the target wall object in a second array; determining a first target wall edge contour line closest to the left wall edge on the starting point side of the target wall object in the first array, and determining a second target wall edge contour line closest to the right wall edge on the starting point side of the target wall object in the second array; and determining a first group of splicing points associated with the starting point according to the left and right wall edges on the starting point side of the target wall object and the two target wall edge contour lines. The application can automatically process complex multi-wall joint conditions, ensure the splicing of walls with different thicknesses, and meet the splicing requirements under different complex conditions.

The application discloses a reinforced feeding cylinder and relates to the technical field of feeding cylinders of internal mixers. The reinforced feeding cylinder comprises a cylindrical shell which is surrounded by a rear wall plate, an upper front wall, a lower front wall, a left wall plate and a right wall plate. The rear wall plate, the upper front wall, the lower front wall, the left wall plate and the right wall plate are all steel plate welded frame structures, and the overall installation size is consistent with that of a GK-shaped internal mixer. The left wall plate and the right wall plate are respectively positioned and connected with the rear wall plate and the lower front wall through positioning keys. The rear wall plate and the left wall plate are provided with switchable feeding windows. The feeding windows can selectively be installed with rear gaskets and side wall gaskets or rear cover plates and side cover plates. The rear wall plate and the left wall plate are provided with switchable feeding windows. According to requirements, the rear gaskets and the side wall gaskets or the rear cover plates and the side cover plates can be installed. The feeding cylinder can quickly realize the switching between the modes of feeding carbon black and small materials and non-feeding, does not need to replace the whole cylinder, and saves the reform cost and downtime.

The utility model discloses a wandering star wheel grinding machining fixing device which comprises a working table, a supporting frame is fixedly installed on the lower bottom face of the working table, a groove is formed in the working table, and a fixing plate is fixedly installed at the lower end of the left wall face of the groove. A body is supported through balls, a transmission motor is started to drive two first connecting plates to move inwards, a first connecting rod is driven to rotate while the first connecting plates act, a second connecting plate is pulled to move forwards while the first connecting plates move, and a first straight gear and a second straight gear are meshed with the body; two driving motors are started to drive a driving shaft to rotate, so that two first straight gears are driven to rotate, a body is stabilized through a second straight gear, the body is fixed more stably, a user can further machine the body conveniently, the labor burden of the user is relieved, and the labor burden of the user is met.

A magazine base pad having enhanced gripping features. The base pad has a left side, a front, and a right side. A left wall extends upward along the left side, a front wall extends upward along the front, and a right wall extends upward along the right side. An inward sloping surface runs along the left wall and the right wall. An inward sloping surface preferably runs along the front wall as well. The left side opens into a left side notch. The right side opens into a right side notch. Each of these notches includes a plurality of longitudinally oriented ribs. The ribs are preferably a “sawtooth” design that allows an engaging finger or thumb to move easily upward across the ribs but tends to frictionally engage a finger or thumb when it is moved downward across the ribs. The notches, ribs, and inward sloping surface cooperate to enhance a user's grip on the base pad.

The utility model discloses a protection device for nitrogen spring inflation, and relates to the technical field of nitrogen spring machining. The device comprises a protection mechanism, a motor is fixed to the right wall of a box body, a screw is fixed to a power output shaft of the motor, moving blocks are in threaded connection with the exteriors of the left side and the right side of the screw, the moving blocks are in sliding connection with the rear wall in the box body, and a nitrogen spring body is arranged in front of the screw and corresponds to the position between the two moving blocks; a motor is fixed to the upper side in the box body, a threaded rod is fixed to a power output shaft of the motor, a penetrating groove is formed in the front side of the left wall of the box body, a box door is inserted into the penetrating groove, and a connecting plate is fixed to the left end of the box door and is in threaded connection with the threaded rod. The nitrogen spring is clamped and fixed by the clamping blocks through the work of the motor, the nitrogen spring is prevented from being damaged due to collision with the box body, the box door is automatically opened and closed through the work of the motor, the operation is simpler, and the potential safety hazard is reduced.

The present invention discloses a biomass combustion furnace for coating equipment, whose structure includes a material guide box, a feeding hopper and a combustion furnace. The top of the material guide box is embedded and connected with the bottom of the feeding hopper, the left side of the feeding hopper is in clearance with the combustion furnace as a whole, the right wall of the combustion furnace is nested and connected with the left wall of the material guide box, the material guide box includes a sectioner, a pusher, a feeding pipe and a heat insulation platform, and the end of the feeding pipe is nested and connected with the right wall of the combustion furnace. The present invention blocks biomass combustion raw materials through a sectioner, and the material blocking block is closed after releasing a batch, and the counterweight groove assists the material blocking block to release the raw materials after re-weighting, and indirectly unfolds the material blocking rod through a transmission belt, so that the internal residue and the newly added combustion raw materials are released, and are sent to the furnace through the feeding pipe after release for combustion, thereby achieving a time difference, effectively avoiding the problem of excessive supply of biomass raw materials inside the furnace body, resulting in accumulation and burial of raw materials, and insufficient combustion and generation of a large amount of smoke.