330 results about "Wooden box" patented technology

The invention discloses a buffering, shock-proof and anti-collision conveying box for precision equipment, and relates to the technical field of conveying boxes, the buffering, shock-proof and anti-collision conveying box comprises a specially-made wooden box body, a plurality of groups of shock-absorbing blocks are arranged in the specially-made wooden box body, a plurality of groups of shock-absorbing and anti-collision mechanisms are arranged in the shock-absorbing blocks, and a plurality of groups of screw rods are arranged in the specially-made wooden box body. A lead screw is arranged in the special wooden box body, an oblique bevel gear is fixed to one end of the lead screw, a transmission rod is arranged in the special wooden box body, and a plurality of sets of movable supports are arranged in the special wooden box body and meshed with the lead screw. During continuous slight vibration, the contact area is reduced, friction is reduced, meanwhile, a lead screw drives a damping block to be attached to equipment to eliminate resonance, a damping anti-collision mechanism is triggered to work through violent impact, a spring and a damper absorb energy, when the impact exceeds the limit, the damper drives a gear mechanism to open an air valve, and an air bag expands to absorb impact force; the sliding block sleeve guides the expansion direction of the air bag to prevent damage, and the whole system can be dynamically adjusted according to actual impact strength to effectively cope with vibration and impact in transportation.

The utility model discloses a plate turnover device for plywood wooden case production, and relates to the field of plywood wooden case production. The device comprises a base, a motor and a bidirectional cylinder are mounted below the inside of the base, a rotating shaft is connected to the top of the base, and raised lines are arranged on the outer surface of the rotating shaft. The overturning frames are driven by the adjusting plates to move, the distance between the two sets of overturning frames is adjusted on the rotating shaft, the clamping frames are driven by sliding the extending plates to move so that the clamping frames can support the plates of different widths and lengths, the adjusted extending plates are fixed through cooperation of the plug pins and the limiting holes, and therefore the plates of different widths and lengths can be conveniently clamped. The situation that the supporting effect of the clamping frame is not ideal due to the fact that the extending plate slides under the gravity effect during overturning is avoided; the sliding blocks drive the rotating rollers to be matched with the elastic force of the springs so as to adapt to plates with different thicknesses, the rotating wheels and the rotating rollers rotate on the surfaces of the plates, friction force between the clamping frames and the plates is reduced, and meanwhile the inner walls of the clamping frames can be prevented from scratching the surfaces of the plates.

The invention discloses a method for loading and transporting photovoltaic glass in a container, and relates to the technical field of railway transportation. An inner damping liner is arranged on the end inner wall of the innermost side in the container; a first row of photovoltaic glass is placed in the mode of being attached to the inner damping pad, and each row of photovoltaic glass comprises multiple layers of photovoltaic glass packaged by a wooden box; reinforcing pieces are arranged on the outer side of the first row of photovoltaic glass in the transverse direction of the container, and the reinforcing pieces are vertically arranged and fixedly connected with box legs of the wooden box; a plurality of rows of photovoltaic glass packaged by wooden boxes are sequentially placed in the length direction of the container, and a reinforcing piece is arranged on the outer side of each row of photovoltaic glass; an outer damping gasket is arranged between the outer side of the last row of photovoltaic glass and a container door at the rear part of the container; a blocking piece is arranged on the container floor close to the last row of photovoltaic glass and used for limiting the last row of photovoltaic glass; the photovoltaic glass can be transported through the railway container, the transportation cost is reduced, and the transportation safety is guaranteed.

The utility model relates to the technical field of packaging wooden case processing, and discloses a sealing device for packaging wooden case production, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a fixing frame, and the two sides of the fixing frame are provided with fixing mechanisms; by arranging a bottom plate, a first electric push rod, a clamping plate, a second electric push rod, a lifting plate, a connecting plate, a third electric push rod, a push block, a supporting plate, a threaded rod, a forward and reverse motor, a sliding block, a nail gun and a sliding rod, when a wooden box is nailed, the position of the nail gun is adjusted according to the size of the wooden box, and the forward and reverse motor is turned on; and when a third electric push rod is opened, the third electric push rod can drive a push block to move front and back, the push block can drive the nail gun to move front and back through a supporting plate, the nail gun can be adjusted in all directions, different positions of the wooden box can be nailed, and therefore the practicability of the device is improved.

To solve such a problem that cultivation of seaweeds that generate blue carbon is committed to a natural environment which is very limited to shallows where sunlight reaches (=0.2% of the entire sea), the cultivation region may decrease but cannot increase because of installation of a port, tourism development such as a swimming beach, and expansion of commercial facilities, sunlight sometimes cannot sufficiently reach the cultivation region because of weather conditions and the ebb and flow of the tide, which makes the cultivation insufficient, and furthermore, an outbreak of red tides may inhibit algae from growing.SOLUTION: In a blue carbon system, a sealed wooden box is installed to each of the four corners of a wooden frame of a 12 m-sized wooden artificial island unit; a culture soil unit for cultivating algae is placed on the wooden frame; buoyancy of the four sealed wooden boxes and weight of the culture soil unit are controlled to be well balanced; and upper sides of the four sealed wooden boxes are set to be exposed from the water by approximately 30 cm while taking the water depth into account so as to provide a best growth condition of the algae.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of nailing machines, in particular to a wooden case processing nailing machine which comprises a machine body, a telescopic air cylinder, a nailing machine body and a moving mechanism, the moving mechanism comprises two sliding blocks, a transverse rail, a moving table, a mounting box and a fixing assembly, and the fixing assembly comprises a fixing part and two pressing parts. The transverse rail and the moving table are moved, the nailing machine body is driven to move on the horizontal plane until the output end of the nailing machine body is aligned with the target position, the fixing piece is started to fix the transverse rail so that the nailing machine body cannot move front and back, the two pressing pieces are started to press the moving table and the transverse rail so that the moving table and the transverse rail cannot move left and right, and positioning is completed; the telescopic air cylinder and the nailing machine body are started to nail a wooden box, when nailing is carried out on a next point, the fixing piece and the two pressing pieces are clamped open, the operation is repeated to carry out position adjustment, and the effects that multi-point nailing is conveniently and rapidly carried out on timber, and the production efficiency is improved are achieved.

The utility model relates to the technical field of reel storage, and discloses a reel storage wooden box which comprises a bottom plate. The first side plates are relatively fixed on the opposite edges of the bottom plate; the second side plate is detachably connected to the opposite edges of the bottom plate, the second side plate is perpendicular to the first side plate, and a first semicircular groove and a second semicircular groove are formed in the top edge and the bottom edge of the second side plate correspondingly and used for fixing a rotating shaft; the diameter of the first groove is larger than that of the second groove; a fourth side plate is further arranged on the outer side of the first side plate. According to the winding drum storage wooden box, through the adjustable second side plate, winding drums of different sizes can be stored in the winding drum storage wooden box, the flexibility of the winding drum storage wooden box is improved, the utilization rate of the winding drum storage wooden box is increased, and the storage cost of the winding drums of different sizes is reduced.

The utility model relates to the technical field of wood processing, in particular to a wood drilling and positioning tool which comprises a base, a drilling mechanism and a positioning mechanism, the positioning mechanism is arranged on the base and comprises a sliding plate, a moving block, a driving assembly, a mounting plate, four fixing assemblies and a power assembly, the base is provided with a through groove, the drilling mechanism is arranged above the base, and the power assembly is arranged above the drilling mechanism. The sliding plate is slidably connected with the base, the moving block is fixedly connected with the sliding plate and penetrates through the through groove, the driving assembly is arranged below the base, the moving block is arranged on the driving assembly, the mounting plate is slidably connected with the sliding plate, the four fixing assemblies are arranged on the mounting plate, the power assembly is arranged on the sliding plate and the mounting plate, and a wood plate is fixed to the mounting plate through the four fixing assemblies. The wood plate is controlled to move left and right through the driving assembly, the wood plate is controlled to move front and back by controlling the power assembly, the wood plate is accurately positioned, and then the percent of pass of wooden boxes is increased.

The invention discloses weather-resistant white latex applied to wooden box bonding and a preparation method thereof, and the weather-resistant white latex is prepared from the following raw materials: 1 to 5 parts of polyvinyl alcohol, 20 to 45 parts of deionized water, 0.1 to 0.4 part of magnesium strengthening powder, 0.6 to 1 part of formaldehyde solution, 6 to 9.6 parts of styrene-acrylic emulsion, 0.6 to 0.96 part of hydroxypropyl methyl cellulose, 2 to 5 parts of nano silicon dioxide, 30 to 45 parts of vinyl acetate, 2 to 6 parts of acrylic acid, 2 to 6 parts of butyl acrylate and 2 to 6 parts of methyl methacrylate. The biomass fiber material comprises the following components in parts by weight: 3-6 parts of dibutyl phthalate, 0.5-2.5 parts of an emulsifier, 0.1-0.5 part of an initiator and 2-5 parts of a biomass fiber material. The white latex prepared according to the scheme provided by the invention has relatively strong weather resistance, and the white latex at the bonding part does not crack when a wooden box bonded by the white latex is placed for a period of time under the conditions of 60 DEG C, 96% humidity, 60 DEG C, 10% humidity and-20 DEG C.

The invention relates to the technical field of sound boxes, in particular to an anti-seismic aluminum sound box which comprises a supporting seat, a main sound box is fixedly assembled on the supporting seat, a guide frame is fixedly connected to the back face of the main sound box, and a handle is fixedly installed at the top of the guide frame. The main loudspeaker box body is composed of a first aluminum box on the outer layer and a first wooden box on the inner layer, the first aluminum box is fixedly installed on the top face of the supporting base, buffer frames are arranged at the four top corners of the inner wall of the first aluminum box, and the first wooden box is supported among the four buffer frames in the first aluminum box. According to the invention, the first aluminum box is used as a shell to provide good rigidity and strength, the first wooden box is used as an assembly carrier of the loudspeaker to improve the acoustic performance of the sound box, and the honeycomb sound-absorbing cotton is filled in the separation cavity between the first aluminum box and the first wooden box to reduce standing waves and resonance in the box, so that the purity and layering sense of sound are further improved.

The utility model discloses a hollow plate buffer box structure, and relates to the technical field of packaging. Comprising a box body hollow plate, a box body defined by the box body hollow plate and piled nails, and the box body hollow plate is of an inner-outer double-wall hollow structure; cutting and blanking are conducted through laser or a cutting die, a pre-folding line structure and a fixing hole are cut out, and the box is fixed through a pin after being folded and formed and can be used as an ultimate packaging box of a product; compared with a packaging mode of adopting buffering auxiliary materials and a paper box, the packaging process is greatly simplified, the hollow plate of the box body has good buffering performance, use of non-environment-friendly buffering materials such as foam is omitted, and the environment is protected; meanwhile, the high-strength, moisture-proof, water-proof and mildew-proof properties are achieved, and compared with a carton, the good severe environment resistance advantage is achieved; meanwhile, the strength can be conveniently increased by increasing the wall thickness, the traditional complex packaging modes of wooden boxes, wooden frames and wooden supports can be replaced, and convenience is brought to normal express logistics transportation packaging of extra-heavy and ultra-large products.

The utility model discloses a foldable wooden box, comprising a first bottom plate, a second bottom plate, a first left plate, a first right plate, a first front plate, a second front plate, a first rear plate and a second rear plate, wherein the first bottom plate is hingedly arranged at the left end of the second bottom plate, the first left plate is fixedly arranged at the left end of the first bottom plate, the first front plate is fixedly arranged at the front end of the first bottom plate, the first rear plate is fixedly arranged at the rear end of the first bottom plate, the second front plate is hingedly arranged at the right end of the first front plate, the second rear plate is hingedly arranged at the right end of the second rear plate, the first right plate is hingedly arranged at the right end of the second bottom plate, and the second front plate and the second rear plate match the first right plate. The utility model provides a foldable wooden box, which can fold and retract the second front plate and the second rear plate, and change a large-sized wooden box into a small-sized wooden box, which can not only ensure the actual storage space of the wooden box, but also reasonably utilize the space.

The present invention discloses a guide rail wooden packaging box production line and a processing method thereof, comprising a chain plate line, wherein the chain plate line is sequentially provided with a storage mechanism, a loading mechanism, a box sealing device, and a wooden box cutting structure from one side to the other. The storage mechanism is composed of a power roller line and a pushing device, and wooden boxes to be cut are placed on the power roller line; the loading mechanism is composed of a belt line, a feeding car, and a robotic arm, with the robotic arm located on one side of the belt line, and the belt line is symmetrically arranged on both sides of the feeding car; the wooden box cutting structure includes a vacuum cleaner and a bracket, which is composed of a high-position bracket and a low-position bracket; the box sealing device is composed of a mobile frame, a mobile cross frame, and nail guns, which are symmetrically fixed at both ends of the bottom side of the mobile cross frame. The present invention aims to provide a guide rail wooden packaging box production line and a processing method thereof with a high degree of automation, the ability to reduce manual handling steps, and safe operation.

1. Name of the product in this design: Music Box (Hand-cranked Dynamic Photo Album). 2. Purpose of this design: For use in music boxes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The utility model discloses a wooden box with a buffer structure, and belongs to the technical field of wooden boxes. The supporting assembly comprises a bottom plate, an inserting groove is formed in the top face of the bottom plate, supporting rods are fixedly connected to the four corners of the top face of the bottom plate, sliding grooves are formed in the two sides of each supporting rod, a box plate is arranged on the sliding grooves in a sliding fit mode, two positioning grooves are formed in the top face of the box plate, and limiting rods are inserted into the positioning grooves; a positioning rod is arranged on the bottom face of the limiting rod, an air bag is clamped to one side of the limiting rod, and a fixing assembly is in threaded connection with the top end of the box plate and comprises a cover plate. The limiting rods, the positioning rods, the air bags, the fixing assemblies and the protection frame are matched, the positioning rods drive the limiting rods to be clamped to the inner walls of the positioning grooves, accordingly, the air bags with different thicknesses are clamped according to objects placed in the wooden box, the air bags generate elastic deformation when being impacted by the outside in the transportation process, impact energy is absorbed and consumed through self compression and recovery, and the safety of the wooden box is improved. And flexible surrounding buffering is formed on the internal articles.

1. Name of the Design Product: Coat Rack (05103). 2. Use of the Design Product: Hanging clothes, hanging hats, and the wooden box at the bottom can be used for storing items. 3. Design Key Points of the Design Product: Lies in the perspective view of Design 1. 4. Picture or Photograph that Best Indicates the Design Key Points: Perspective view of Design 1. 5. The claimed design includes color. 6. Design 1 is designated as the basic design.

The utility model discloses a silencing wooden box for mounting a motor, and belongs to the field of wooden boxes. A silencing wooden box used for installing a motor comprises a splicing wooden box and a silencing piece. The mounting strip is mounted on the top wall of the bottom plate; a plurality of threaded holes are formed in the mounting strip at equal intervals; the fixing strip is mounted on the top wall of the bottom plate; the adjusting groove is formed in the top wall of the fixing strip; the lead screw is rotationally connected to the groove wall of the adjusting groove. The arc-shaped supporting plate is slidably connected to the fixing strip, and the lead screw is in threaded connection with the arc-shaped supporting plate. The first inserting plate is fixedly connected to the bottom wall of the mounting strip; the second inserting plate is fixedly connected to the bottom wall of the fixing strip; a plurality of insertion holes are formed in the top wall of the bottom plate; and the first insertion plate and the second insertion plate are respectively inserted into the corresponding insertion holes. The silencing wooden box has the beneficial effects that the silencing wooden box for mounting the motor is provided, the motor can be mounted in the silencing wooden box, and the decibel of noise transmitted by the motor is reduced by laying the silencing plate and the silencing cotton.

The utility model discloses a kind of assembled wooden boxes, including first side plate, second side plate and connecting assembly, and first side plate and second side plate are fixed as assembled wooden box by connecting assembly and are spliced together. Two installation parts of vertical adjacent are provided on connecting assembly, and the outside of two second side plates of corresponding respectively is provided with, and with first side plate detachably fixed connection. Installation part includes first clamping part of side vertical setting, driving member is movably provided on installation part, driving member drives and connects second clamping part, the insertion gap for second side plate insertion is formed between first clamping part and second clamping part, and second clamping part is relatively close or far from first clamping part by the activity of driving member to drive. Second clamping part makes the stroke far from first clamping part by opening driving member, and second side plate can be released, and simultaneously, first side plate and connecting assembly are also using detachable fixed connection, so that the disassembly of assembled wooden box is more convenient.

The utility model discloses a wooden mould box for producing large castings, which comprises an upper mould box and a lower mould box, the lower mould box comprises an inner wooden box and an outer wooden box, the inner wooden box is positioned inside the outer wooden box, an isolation cavity is formed between the inner wooden box and the outer wooden box, a plurality of support columns are arranged in the isolation cavity, a plurality of through holes are arranged on the periphery of the inner wooden box, U-shaped heat conduction pipes are inserted in the through holes, and the U-shaped heat conduction pipes are communicated with the inner wooden box. One end of the U-shaped heat conduction pipe is connected with a liquid inlet pipe, the other end of the U-shaped heat conduction pipe is connected with a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe respectively extend out of the outer wood box, the upper mold box and the lower mold box have the same structure, and a feeding pipe is connected to the middle of the outer wood box of the upper mold box and extends into the inner wood box of the upper mold box. A structure formed by the inner wooden box, the outer wooden box and the supporting columns is adopted, and is matched with internal molding sand, so that the overall strength and stability of the molding box are greatly enhanced. And the U-shaped heat conduction pipe can accurately regulate and control the cooling speed and is flexible to arrange, so that all parts of the casting are uniformly cooled.

1. The name of the design product: Bluetooth speaker (wooden box double five third). 2. The use of the design product: multi-functional Bluetooth speaker for spreading audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

A log purchasing system comprises a plurality of containers 1a suitable for carrying wooden logs; each container having a unique identity code (13, figure 3). The system includes a plurality of points

This invention belongs to the field of wooden box polishing technology, specifically an automatic wooden box polishing machine. It includes a feeding device, a polishing device located on one side of the feeding device, and a robotic arm that reciprocates between the feeding device and the polishing device. The feeding device includes a frame, a lower material layer and an upper material layer sequentially laid on top of the frame. The lower material layer includes several lower material tracks arranged side-by-side along the length of the frame, inclined downwards away from the robotic arm. The upper material layer includes several upper material tracks arranged side-by-side along the length of the frame, inclined downwards towards the robotic arm. The side of the lower material layer closest to the robotic arm protrudes outwards from the upper material layer, and the protruding lower material track can accommodate at least one wooden box. This invention achieves full automation of wooden box polishing production, significantly increasing the output of wooden boxes polished per unit time and improving the quality of the polished wooden boxes.

The utility model relates to the technical field of humidity-adjustable wooden boxes, in particular to a humidity-adjustable wooden box with ventilation holes. The device comprises a wooden box, the upper surface of the wooden box is fixedly connected with a humidity controller, two ventilation holes are formed in the wooden box, one end, corresponding to the ventilation holes, of the wooden box is provided with an adjusting device, the adjusting device comprises a sliding block, one end of the sliding block is in sliding connection with the wooden box, the interior of the sliding block is in threaded connection with a threaded rod, and the threaded rod is in threaded connection with the wooden box. And the arc surface of the screw rod is rotationally connected with a fixing block, one end of the fixing block is fixedly connected with the wooden box, and the end, close to the fixing block, of the sliding block is fixedly connected with two limiting plates. The problem that when a traditional humidity adjusting structure is used for adjusting the humidity of a wooden box with ventilation holes, due to the fact that the traditional humidity adjusting structure cannot control the size of inlet air and outlet air of the wooden box with the ventilation holes, the humidity is easy to adjust inaccurately when the humidity is controlled is solved.

The utility model belongs to the technical field of wooden box fixing, and particularly relates to a conveniently assembled and disassembled type spring buckle for fixing the inner side of a wooden box, which comprises a wooden box top plate, a wooden box side plate is arranged on the left side of the bottom of the wooden box top plate, and a spring buckle main body is arranged between the wooden box top plate and the wooden box side plate; limiting mechanisms are arranged between the spring buckle body and the wooden box top plate and between the spring buckle body and the wooden box side plate, a first limiting groove is formed in the left side of the wooden box side plate, a second limiting groove and a groove are formed in the top of the wooden box top plate, and the groove is located in the right side of the second limiting groove. A cavity is formed in the wooden box top plate. The wooden box is reasonable in design, through the arrangement of the fixing mechanisms, the limiting rods can be connected with the rod grooves in an inserted mode, the purpose of improving the connection stability between the wooden box top plate and the wooden box side plates can be achieved, through the arrangement of the lock catch mechanisms, the second buckles can be limited and fixed, and the purpose of preventing the second buckles from falling off can be achieved.

The utility model discloses a novel linear array sound box, which comprises a paint-sprayed wooden box, a loudspeaker system formed by combining a woofer and a treble horn is arranged in the paint-sprayed wooden box, a front full-iron mesh enclosure is arranged at the front end of the paint-sprayed wooden box, side full-iron mesh enclosures are arranged on two sides of the paint-sprayed wooden box, and the front full-iron mesh enclosure and the side full-iron mesh enclosures are arranged in the paint-sprayed wooden box. The front full-iron mesh enclosure and the side full-iron mesh enclosure are made of high-strength metal materials, front hanging supports are arranged on the two sides of the front end of the paint spraying wooden box, rear angle supports are arranged on the two sides of the rear end of the paint spraying wooden box, and the front hanging supports and the rear angle supports have the multi-angle adjusting function. According to the novel linear array sound box, the design of the front hanging bracket and the rear angle bracket is improved, the fixing and angle adjusting capabilities of the sound box are enhanced, and the front part and the side surfaces of the sound box are comprehensively protected by adopting the full-iron mesh enclosure, so that the protection performance and the heat dissipation efficiency are improved, and the stability and the durability of the sound box in various application scenes are ensured.

The utility model discloses a copper foil packaging wooden box which is used for containing copper foil rolls and comprises a box body and a top cover. The box body comprises a placing groove used for placing a copper foil roll, and the placing groove is formed by partition plates arranged in the box body in an array mode; the first shock pad is arranged in the containing groove, a first containing groove is formed in the first shock pad, the two ends of a roller of the copper foil roll abut against the bottom of the first containing groove, and the roller of the copper foil roll is placed on the first shock pad; the first shock pads can effectively absorb and relieve bumping and vibration possibly generated in the carrying process. In this way, the risk that the copper foil rolls are impacted by the outside world can be remarkably reduced, and therefore the fragile copper foil rolls are prevented from being damaged due to deformation.

The utility model discloses a lithium battery wooden box packaging structure, which belongs to the technical field of lithium battery packaging and comprises a box body, a box cover is arranged at the top of the box body, a protective component is arranged on the inner side of the box body, and a limiting component fixedly connected with the inner wall of the box body is arranged at the top of the protective component. Through cooperation of the protection assembly and the limiting assembly, an anti-collision effect can be provided for a lithium battery packaged in the box body, the position of the lithium battery is prevented from shaking, so that the protection performance of the lithium battery is enhanced, meanwhile, the protection performance of the surface of the box body can be further enhanced through the fixing mechanisms arranged at the outer ends of the box body and the box cover, and the service life of the box body is prolonged. And meanwhile, connection between the box body and the box cover can be fixed, the situation that the box body and the box cover are not prone to separation is avoided, through cooperation of the arranged reinforcing frame and reinforcing rods, a supporting effect can be provided for the interior of the box body, and the box body is not prone to deformation when collided.

1. The name of the design product: Bluetooth speaker (wooden box double five second). 2. The use of the design product: multi-functional Bluetooth speaker for spreading audio. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to the technical field of packaging engineering, and discloses a wooden packaging box convenient to assemble and disassemble, which comprises a tray and two connecting plates, a disassembling component is arranged at the top of the tray, and a splicing component is arranged at the top of each connecting plate; the dismounting assembly comprises a plug pin, the plug pin is inserted into the tray, a sliding rod is fixedly connected to the bottom of the plug pin, and a mounting block is slidably connected to the periphery of the sliding rod. According to the wooden packaging box convenient to assemble and disassemble, when the wooden box needs to be installed, a sliding rod is pressed to drive a plug pin and a buckle, the buckle is connected to one side of a connecting rod in a clamped mode, a bottom plate and a side plate can be fixed, when the wooden box is disassembled, the connecting rod is pressed to pop out the buckle, and due to the fact that a spring is arranged at the bottom end of the sliding rod, the plug pin can be reset when the buckle pops out; and the fixing of the side plates and the bottom plate can be relieved, and the space occupied by the disassembled wooden packaging box parts is greatly reduced. The advantage is particularly obvious during return transportation or empty box transportation.

The invention relates to the technical field of grinding devices, and discloses a cylinder cover main starting valve seat grinding device which comprises a wooden box used for grinding a valve seat of a cylinder cover main starting valve, a grinding disc installed in the wooden box and used for grinding the valve seat of the cylinder cover main starting valve, and an end face reamer installed in the wooden box and used for grinding the valve seat of the cylinder cover main starting valve. The grinding disc is mounted in the wooden box and used for being assembled with the grinding disc to grind the valve seat, the guide ring is mounted in the wooden box and used for limiting the valve seat, and the storage groove is formed in the wooden box. According to the grinding device for the valve seat of the main starting valve of the cylinder cover, it is guaranteed that in the early stage of main engine test run, flatness and smoothness grinding of the valve seat of the main starting valve can be better conducted, sealing of the starting valve of the cylinder cover is guaranteed, air leakage during bullet train tests and main engine operation is avoided, and when an end face reamer is stored in a wooden box, the wooden box is prevented from being impacted; and therefore, the end face reamer shakes in the wooden box, and collision and damage are caused.