104results about How to "Adjust the weight" patented technology

The invention provides a device for causing damage to an experimental animal, which comprises a platform and an altitude controller arranged on the platform, and further comprises a striking component, a horizontal bracket and a vertical bracket; the striking component comprises a striking bar, a striking head, a guiding pipe, an electromagnet, a power and a switch; the guiding pipe, which is an open-ended through-tube, is fixed on the horizontal bracket; a cover of the striking bar is arranged in clearance fit with the guiding pipe; one end of the striking bar is connected with the striking head, and the other end of the striking bar is made of ferromagnetic materials and arranged in the magnetic field produced by the electromagnet; the electromagnet and the power are electrically connected with the switch; the altitude controller and the vertical bracket are vertically connected with the horizontal bracket; and the electromagnet is fixed on the vertical bracket. The device causes fixed-point and fixed-amount damage to animal tissue such as spinal cord, reduces artificial errors through mechanized operation, and enhances the repeatability of an experiment.

The invention discloses a gray brick mechanically manufactured from lime sludge and construction wastes and a method for manufacturing the same. The materials for mechanically manufacturing the gray brick comprise the following raw materials in portion by weight: 1,015 to 1,135 portions of construction waste crushed materials, 240 to 290 portions of cement, 810 to 1,010 portions of lime sludge, 60 to 75 portions of gray lime, and 100 to 125 portions of water, wherein the particle size of the construction waste crushed materials is less than 15 millimeters. If necessary, less than 20 portions of fly ash and proper amount of activating agent can be added to the materials. The method for mechanically manufacturing gray brick comprises the following steps: firstly, crushing the construction wastes; secondly, mixing the construction waste crushed materials with the other materials according to the proportions; and thirdly, pressing the mixture by adopting a mechanical method so as to produce the gray brick of the invention. The gray brick and the method for manufacturing the same recycle the sludge and the construction wastes in a reducing, harmless and resource-utilizing mode, and solve the problem that substituting materials and products are hard to find after clay bricks are forbidden to use and the problem of gray brick sources for civilian constructions.

The invention relates to a six-degree-of-freedom underwater robot. The six-degree-of-freedom underwater robot consists of a sealed cabin, a power system, a control system, an image acquisition system, an illuminating system and a cooling system. By virtue of a cooperative effect of a left propeller, a right propeller and a tail propeller, the six-degree-of-freedom movement such as front-back movement, up-down movement, left-right movement, pitching movement, deflection movement and rolling movement can be realized, i.e. the movement in any direction in the water is realized; power supply and information transmission are performed on the six-degree-of-freedom underwater robot by virtue of a waterproof plug bank, so that the universality and expandability are higher, and the multi-field and multifunctional requirement can be met; by adjusting positions of a left weight block and a right weight block, the center of gravity is disposed right below a buoyant center; by adopting a fixed camera and movable camera set, the peripheral environment is convenient to observe, and the operability is higher; a storage battery is used for supplying power, so that the autonomous control is realized; and by adopting a cooling system, the overheat damage of electronic elements and devices can be effectively prevented. The six-degree-of-freedom underwater robot is simple in structure, flexible in motion, high in expandability, and capable of meeting the requirements on controllability and adaptability in a complicated environment.

Provided is a balance weight used for automobile tyre, which is mounted to wheels in a felting manner. Corresponding to inner diameter varieties of wheels provided in different standards, said balance weight is prone to bend and extend, with improving its applicability and adhesion characteristic.

The invention relates to a compensating device for an elevator. The compensating device comprises a guiding device, a fixing device, a stroke switch frame, a limit bow striking frame, a clump weight and a safety device, wherein the safety device comprises safety tongs, a lifting rod, a linkage device, a pull rod and a positioning plate; two safety tongs are fixedly connected at the two ends of the guiding device respectively; the lower end of each safety tongs is fixedly connected with the upper end of the lifting rod; the lower end of the lifting rod is connected with the linkage device; the linkage device penetrates into a reserved hole of the guiding device and can radially rotate; the upper end of the pull rod is connected with the linkage device, and the lower end of the pull rod penetrates into the hole of the positioning plate; and the positioning plate is fixed on the fixing device. In the technical scheme of the invention, when the guiding device moves upwards, the pull rod can move upwards with the guiding device, and after the pull rod moves for a certain distance, the safety tongs can act, so that the guiding device brakes on the fixing device timely and is prevented from rushing out of the fixing device.

The invention relates to a load device for an electric power fitting abrasion test machine. The load device comprises a machine frame, a bottom plate fixed on the machine frame, a lifting block which moves on the bottom plate, and a plurality of weight disks which move on the lifting block, wherein a control device for controlling the moving of the lifting block is arranged on the bottom plate; at least two guide columns for controlling the moving of the lifting block are arranged on the bottom plate; at least two control rods are arranged between adjacent two weight disks; a guide device connected with the weight disks is arranged on the machine frame. The load device has the advantages as follows: the number of the weight disks on the lifting block is controlled through the control device, so that the bearing weight of an electric power fitting in an abrasion test is effectively adjusted; the stroke of the electric power fitting is limited through the guide device, so that the work efficiency is effectively improved; the abrasion of different bearing weights on the electric power fitting can be effectively detected, the labor capacity is reduced, the work intensity is low, and the practicality is good.

The invention discloses a fishing vessel with a spherical solar battery. The fishing vessel with the spherical solar battery comprises a deck, two vessel bodies with the same structure, a counter weight water tank, two semi-cylindrical floating bodies and the spherical solar battery, wherein the deck is laid on the tops of the two vessel bodies; a gap is formed between the two vessel bodies; each vessel body comprises an outer side wall plate, an inner side wall plate and a bottom faceplate; the bottom faceplates are parallel to the deck; the inner side wall plates are perpendicular to the bottom faceplates; each outer side wall plate is of a V-shaped structure formed by abutting joint of an upper inclined faceplate and a lower inclined faceplate; the counter weight water tank is arranged between the two vessel bodies and is located below the deck; the two semi-cylindrical floating bodies are respectively arranged at the side parts of the two vessel bodies; the spherical solar battery is arranged on a supporting seat which is arranged on the top of a rest room; and the rest room is arranged on the deck. Due to adoption of the spherical solar battery, the problem that a planar solar battery on a mobile vessel is rarely irradiated by sunlight is solved.

The invention provides a sports fitness device with the function of precisely adjusting the weight of free weights. The sports fitness device comprises a fitness device body which includes a support part, a base part and a free weight part, wherein the support part is arranged on the base part, the support part is provided with a plurality of upright fixing columns, transverse fixing rods are arranged between the upright fixing columns, and through holes are formed in the transverse fixing rods. A controller is arranged on one of the transverse fixing rods, telescoping upright columns are arranged in the through holes, and a stress transverse rod is arranged between the telescoping upright columns. Driving air cylinders are arranged on the base part, an anti-skid layer is arranged on the upper surface of the base part, a buffer layer is arranged on the lower side of the anti-skid layer, and an electromagnetic mechanism is arranged between the driving air cylinders. The free weight partis provided with a plurality of magnets and tightening belts. The device is provided with the telescoping upright columns which are driven by the driving air cylinders, and the telescoping upright columns can drive the stress transverse rod to ascend and descend so that the device can be suitable for people of different body heights in use; besides, the base is provided with the electromagnetic mechanism, the current intensity can be controlled through the controller, so that the weight of the free weights is changed.

The invention relates to a mechanical lift mechanism, specifically to a lift type comprehensive monitoring mechanism belonging to the technical field of mechanical automation. The lift type comprehensive monitoring mechanism comprises a housing supporting frame, wherein a transmission mechanism and a pulley rope-winding mechanism; a safety protection device and a basket are fixed to the base plate of the housing supporting frame; the transmission mechanism is composed of a motor and a speed reducer, the two of which are integrated with each other; a drum is mounted on the output shaft of the speed reducer; the drum rotates so that a low temperature resistant communication cable is wound around the drum; the cable is connected with the basket via an upper limiting protection mechanism along the guide pulley rope-winding mechanism; and various sensors are mounted on the basket. The lift type comprehensive monitoring mechanism is capable of accomplishing the following functions of: 1, controlling the lifting thereof by means of a single chip program; 2, automatically measuring the height of the coal level in a silo; and 3, automatically and accurately detecting parameters such as related gas concentration, temperature and the like in a specific position.

The invention provides an improved elevator aerial rail detecting device, and belongs to the technical field of elevator detection. The technical problem that at present, a detecting device for simulating the actual elevator passenger carrying situation does not exist is solved. The detecting device comprises a test bed and a slide plate. Two installation plates are vertically fixed to the test bed and provided with a plurality of fixing holes. The slide plate is located between the two installation plates. The two sides, opposite to the installation plates, of the slide plate are provided with slide frames capable of sliding along an elevator aerial rail. Guide structures capable of keeping the slide plate horizontal and making the slide plate move in the vertical direction are arranged between the slide plate and the installation plates. A fixing frame is fixed between the upper ends of the two installation plates. A lifting motor capable of driving the slide plate to move up and down is arranged on the fixing frame. A balance weight structure capable of adjusting the weight and the gravity position of the slide plate is arranged on the slide plate. The improved elevator aerial rail detecting device has the advantage that the actual running situation of an elevator can be simulated for detecting the elevator aerial rail.

The invention discloses a shockproof hammer for an electric power line. The shockproof hammer comprises a shockproof hammer body, a controller, a moving device, balance adjusting devices, a weight detection sensor and a control system. The controller is installed on the shockproof hammer body. The moving device is installed at the top of the shockproof hammer body. The balance adjusting devices are installed on the two sides of the shockproof hammer body. A loading groove is formed in the shockproof hammer body. The weight detection sensor is installed in the loading groove. The control systemand the controller carry out remote control. The shockproof hammer is provided with the controller. The position of the shockproof hammer on the electric power line can be adjusted after the shockproof hammer is installed. Heavy objects can be placed on the shockproof hammer, so as to adjust the weight of the shockproof hammer.

The invention relates to a four-wheel quadruped robot chassis which comprises a base, a wheel type mechanism, a first climbing mechanism, a second climbing mechanism, a first driving device, a seconddriving device, a third driving device, a first connecting shaft and a second connecting shaft, and the wheel type mechanism, the first driving device, the second driving device and the third drivingdevice are arranged on the base. The first driving device is used for driving the wheel type mechanism to operate, the first climbing mechanism is arranged on the base through the first connecting shaft, and the second climbing mechanism is arranged on the base through the second connecting shaft. When obstacle crossing is needed, the wheel type mechanism and the climbing mechanisms are matched towalk, and when the wheel type mechanism encounters an obstacle, the driving device drives the connecting shafts to rotate so as to drive the climbing mechanisms to scrape the obstacle, so that the wheel type mechanism is naturally lifted, crosses the obstacle and continues to move forwards; when the robot walks on the flat ground, the climbing mechanisms are controlled to be naturally folded andcan move in all directions.

The invention relates to a mechanical lifting mechanism, in particular to a lifting type silo comprehensive monitoring mechanism, which belongs to the technical field of mechanical automation. The lifting type silo comprehensive monitoring mechanism comprises a housing support frame, wherein a transmission mechanism and a pulley roping mechanism are fixed on the housing support frame; a safety protection device and a hanging basket are fixed on the base plate of the housing support frame; the transmission mechanism consists of a motor and a speed reducer; the speed reducer is integrated with the motor; a roller is arranged on the output shaft of the speed reducer; a low temperature-resisting communication cable is wound on the roller while the roller is rotated, passes through an upper limit protection mechanism along the guiding pulley roping mechanism and is connected with the hanging basket; and a plurality of kinds of sensors are arranged on the hanging basket. The device can have the following functions of: 1, controlling lifting by using a programmable logic controller (PLC) program; 2, automatically measuring the height of a coal level in a silo; and 3, automatically and accurately detecting parameters such as related gas concentration, temperature and the like at a specific position.

The invention discloses an intelligent three-dimensional flexible grabbing transferring mechanism. The intelligent three-dimensional flexible grabbing transferring mechanism is characterized by comprising a mechanical part and a control mechanism connected with the mechanical part, the mechanical part comprises a frame, a vertical stepping motor, a coupler, a bearing, a gear, a horizontal stepping motor, a horizontal moving sliding block, a rack, a support table, a horizontal moving slide rail, a support disc, a vertical screw, a fixing table, a hollow shaft stepping motor, a rear fixing clamp, a connecting rod set, a fixing clamp, a sliding clamp, tongs and a spring, wherein the vertical stepping motor, the coupler, the bearing, the gear, the horizontal stepping motor, the horizontal moving sliding block, the rack and the support table are arranged on the frame, the horizontal moving slide rail, the support disc, the vertical screw and the fixing table are arranged on the support table, the hollow shaft stepping motor, the rear fixing clamp, the connecting rod set, the fixing clamp, the sliding clamp and the tongs are arranged on the fixing table, and the spring is arranged between the tongs; the control mechanism comprises a microcontroller, a touch control screen, a hollow shaft stepping motor control line, a horizontal control line and a vertical control line, and the microcontroller is connected with the touch control screen through a data line. According to the intelligent three-dimensional flexible grabbing transferring mechanism, the position of a grabbed object can be adjusted, the freedom degrees in the vertical direction and the horizontal direction are achieved, the geometric dimension and the weight of the grabbed object can be adjusted, the structure is compact, and the intelligent three-dimensional flexible grabbing transferring mechanism is suitable for grabbing objects of various sizes for usage.

The invention discloses a fishing vessel with a player. The fishing vessel with the player comprises a deck, two vessel bodies with the same structure, a spherical solar battery, loudspeaker boxes and the player, wherein the deck is laid on the tops of the two vessel bodies; a gap is formed between the two vessel bodies; each vessel body comprises an outer side wall plate, an inner side wall plate and a bottom faceplate; the bottom faceplates are parallel to the deck; the inner side wall plates are perpendicular to the bottom faceplates; each outer side wall plate is of a V-shaped structure formed by abutting joint of an upper inclined faceplate and a lower inclined faceplate; the spherical solar battery is arranged on a supporting seat which is arranged on the top of a rest room; the rest room is arranged on the deck; the loudspeaker boxes are arranged on the bottoms of the vessel bodies; and the player is used for simulating sounds made by fish and transmitting the sounds to the loudspeakers for playing. Due to arrangement of the player, the sounds made by the fish can be simulated so as to attract the fish to gather toward the position of the vessel, thereby increasing the working efficiency of fishing.

The invention discloses a pushing mechanism with an auxiliary pushing function for a feeding device, and relates to the technical field of feeding devices. The pushing mechanism with the auxiliary pushing function for the feeding device comprises a charging tank and a adjusting mechanism, wherein a hydraulic oil cylinder is installed at the front end of the charging tank; a telescopic pipe is arranged above the hydraulic oil cylinder, and a supporting column is arranged at the front end of the hydraulic oil cylinder; a buffering mechanism is arranged inside the supporting column, wherein a sliding block is arranged above the buffering mechanism; and a balancing mechanism is arranged above the supporting column, wherein a hopper is arranged above the balancing mechanism, and an auxiliary pushing mechanism is arranged inside the hopper. The pushing mechanism with the auxiliary pushing function for the feeding device is provided with the auxiliary pushing mechanism; and under the action of a small hydraulic oil cylinder, a pushing bucket is pushed to rotate along the outside of a shaft pin, so that materials incline out of the pushing bucket, are poured into the feeding port and are prevented from being adhered to the interior of the pushing bucket.

The invention belongs to the technical field of shoulder exercise. The invention particularly relates to a shoulder exerciser for rehabilitation. For the problem that an existing shoulder joint exercising instrument is inconvenient to use, the exercise effect is poor, the application range is relatively small, the invention proposes the following scheme, the exerciser comprises two stabilizing frames, the same top plate is fixedly mounted at the tops of the two stabilizing frames; limiting frames are fixedly mounted on the sides, close to each other, of the two stabilizing frames; the two limiting frames are connected with the same tension plate in a sliding manner; the tops of the two tension plates are fixedly connected with ends of steel wire pull ropes, the other ends of the two steelwire pull ropes are fixedly connected with balance weight structures, the two balance weight structures are slidably connected with the two stabilizing frames respectively, the top plate and the stabilizing frames are provided with a plurality of guide wheels, and the steel wire pull ropes are slidably connected with the guide wheels. The exerciser is convenient to use, the height and the distancebetween two pull rings can be adjusted, different use requirements can be met, and the use range is expanded.

The invention discloses a roller type fishing boat with an adjustable light angle. The roller type fishing boat comprises a deck, two boat bodies, an xenon search light, an angle adjusting device, wheels and foldable wheel stands, wherein each boat body comprises an outer side wall plate, an inner side wall plate and a bottom panel; each outer side wall plate has a V-shaped structure formed by butt joint of an upper inclined panel and a lower inclined panel; the angle adjusting device comprises a support frame, a vertical shaft, a servo motor A, a rotating frame, a transverse shaft, a servo motor B and a supporting seat; through control of the servo motor A and the servo motor B, the irradiation direction and irradiation angle can be adjusted; the foldable wheel stands comprise wheel brackets and hydraulic cylinders; the wheel brackets are hinged to the lower ends of the inner side wall plates of the boat bodies; the wheels are mounted on the wheel brackets; when folded, the hydraulic cylinders pull the wheel brackets into grooves in bottom panels of the boat bodies. Due to arrangement of the wheels, the boat can be easily pulled out of the water surface to be maintained. The xenon search light and the angle adjusting device are arranged, so that light rays can be gathered to a very far place.

The invention discloses a fishing boat with a xenon light searchlight. The fishing boat comprises a deck and two hulls of the same structure. The deck is laid at the tops of the two hulls. A gap is formed between the two hulls. Each hull comprises an outer side wall plate, an inner side wall plate and a bottom panel. Each bottom panel is parallel to the deck. Each inner side wall plate is perpendicular to the corresponding bottom panel. Each outer side wall plate is of a V-shaped structure composed of an upper oblique panel and a lower oblique panel in a butt joint mode. The fishing boat also comprises a spherical solar cell which is arranged on a supporting base. The supporting base is arranged at the top of a rest room. The rest room is arranged on the deck. The fishing boat further comprises fault warning flashing lights. The four fault warning flashing lights are arranged on the four walls of the supporting base. The fishing boat further comprises the xenon light searchlight. The xenon light searchlight is arranged on a supporting frame. The supporting frame is arranged at the top of the rest room. The xenon light searchlight is additionally arranged, light rays can be gathered to a very far place, the searchlight filled with xenon is especially adopted, and a good lighting effect is achieved.

The invention provides a dynamic balance adjusting device for a roll shaft. The dynamic balance adjusting device comprises a counterweight ring sleeved on the roll shaft, and a cylindrical cavity radially arranged on the counterweight ring. A rod-free piston is arranged in the cylindrical cavity, a water injection passage is arranged at one end of the cylindrical cavity, the water injection passage is communicated with the water injection port arranged on the outer surface of the counterweight ring, a water valve is arranged on the water injection port, the water injection passage side of the rod-free piston is filled with water, and the non-water-injection passage side of the rod-free piston is filled with air. Water is used as a counterweight, weight of the counterweight can be adjusted infinitely, and accordingly a dynamic balance index of the roll shaft is more accurate.

The invention provides an engineering machine and a balance weight adjusting device thereof. The balance weight adjusting device comprises a first telescoping cylinder and second telescoping cylinders, wherein the first telescoping cylinder comprises a drive fluid accommodating cavity and a balance weight liquid accommodating cavity; each second telescoping cylinder comprises a drive fluid accommodating cavity and a balance weight liquid accommodating cavity, and the balance weight accommodating cavity of the second telescoping cylinder is communicated with the balance weight liquid accommodating cavity of the first telescoping cylinder; and weights of the first telescoping cylinder and the second telescoping cylinders are adjusted by adjusting proportions of the balance weight liquids in the first telescoping cylinder and the second telescoping cylinders. The balance weight adjusting device is simple in structure and convenient to operate, and can be conveniently mounted in the engineering machine whose balance weight is required to be adjusted; after the balance weight adjusting device is mounted in the engineering machine, the weight distribution state of the engineering machine can be effectively improved by adjusting the proportions of the balance weight liquids in the first telescoping cylinder and the second telescoping cylinders, and the adaptive capacity of the engineering machine to the working condition is improved.

The invention discloses a counter weight for a liquid level float switch. The counter weight comprises a counter weight cup and a counter weight cover, wherein the top of the counter weight cup is rotatably matched with the counter weight cover; the central part of the counter eight cover is provided with a cover eccentric hole; a cup eccentric hole matched with the cover eccentric hole is arranged in the counter weight cup; at least one filler is arranged around a cup hollow column; the counter weight cover is provided with a rotation handle which is connected with a shell of the counter weight cover; the shell of the counter weight cover is of a layered structure and comprises an indication layer and a connection layer in mutual connection; indication holes are arranged on the part of the connection layer close to the indication layer; the indication layer comprises a start indication layer and a close indication layer corresponding to each other; and the number of the indication holes is two, and the two indication holes are in one-to-one correspondence with the start indication layer and the close indication layer respectively. The counter weight disclosed by the invention notonly is of a simple structure and convenient to use and maintain, but also has relatively good fixing effect and high adjustability.

The invention relates to a tennis racket for teaching and training, and belongs to the technical field of tennis equipment. The tennis racket for teaching and training includes a racket frame, a tennis net, a racket neck, a racket handle, tennis lines, a locking and fixing device, a balance weigh block and an airbag; a user can change the state of the locking and fixing device according to his / herdemands, the fast adjustment of the length of the tennis lines can be achieved without adopting assistant tools so that the leisure time after training can be saved; the weight of the tennis racket body can be freely adjusted according to use demands, and the thickness of a holding part can be adjusted to meet the holding requirements of a trainer and achieve the training effect.

The invention provides a leakage coaxial cable based on a triangular gap and a triangular combination gap, which relates to the field of electronic science and technologies. The leakage coaxial cable overcomes the defects of uneven circumferential distribution of a radiation field, single polarization, larger reflection in the positions of gaps, and the like of the traditional radiating type leakage coaxial cable. The leakage coaxial cable generates more flat circumferential field distribution by arranging a periodic triangular gap, a periodic triangular combination gap, a periodic pennant-shaped gap and a periodic pennant-shaped combination gap on an outer conductor of the leakage coaxial cable; because the inclined edge of the triangular structure keeps a phase difference of components of the circumferential field and the axial field in a range of 30-120 degrees, the radiation of an elliptical polarized wave is realized, and the large electric wave decline is prevented from generating in the mobile terminal positions in different polarization states.

The invention discloses a tea rolling device. The tea rolling device comprises a base, wherein a rolling pipe is arranged on the base, a rolling roller is arranged in the rolling pipe, the rolling roller is provided with a rotating shaft, the axial line of the rotating shaft is misaligned with the axial line of the rolling roller, bearing blocks are arranged at both ends of the rolling pipe separately, both ends of the rotating shaft are mounted in the two bearing blocks separately, the tea rolling device also comprises a driving device, the driving device is connected rotationally with the rotating shaft, and the inner wall surface of the rolling pipe and the outer wall surface of the rolling roller form an annular rolling cavity; a plurality of rolling ribs are arranged on the inner wallsurface of the rolling pipe, and the rolling ribs are uniformly distributed around the axial line of the rolling pipe; the bearing blocks comprise support frames mounted on the base, a square hole isformed in an inner support frame, a sliding block and a lifting jack are arranged in the square hole, the sliding block is placed on the lifting jack, vertical sliding chutes are formed in inner wallsurfaces of both sides of the square hole separately, sliding rods are arranged at both ends of the sliding block and the sliding rods are positioned in the sliding chutes.

The invention discloses a fishing vessel with a camera. The fishing vessel comprises a deck and two vessel bodies having the same structure. The deck is laid at the tops of the two vessel bodies. A clearance is disposed between the two vessel bodies. Each vessel body comprises an outer side wall plate, an inner side wall plate and a bottom plate. Each bottom plate is parallel to the deck. Each inner side wall plate is vertical to the corresponding bottom plate. Each outer side wall plate is of a V-shaped structure formed by butt joint of an upper inclined plate and a lower inclined plate. Two sides of a fish cage are provided with fish inlets, a track is disposed at each fish inlet, and an electric gate is disposed on each track. When an electromagnet is energized, the corresponding electric gate is attracted to close the corresponding fish inlet. When the electromagnet is not energized, the corresponding electric gate is reset by a tension spring to open the corresponding fish inlet. The fishing vessel also comprises the camera and a computer, and the camera is disposed in the fish cage and connected with the computer on the deck via a data line. Due to the fact that the camera and the computer are added, conditions of the fish cage under the water are observed via the computer, and the electric gates can be closed when more fishes enter the fish cage.

The invention discloses a quill writing brush and a manufacturing method thereof, which comprises a quill pen holder, the lower part of the quill pen holder is a quill tube, the outside of the quill tube is covered with a decorative layer, the lower end of the quill tube is connected with a fixed head, and the lower end of the fixed head is plugged with a The nib, the quill brush is made by selecting hair, initial washing, degreasing washing, drying, trimming, initial cleaning of capillary, deep cleaning of capillary, drying in the shade, assembly and pen making. The invention changes the single style of the traditional writing brush, and greatly reduces the cost, and makes a breakthrough in the whole industry by making the goose feather beneficial to the writing brush industry and making it into a pen holder.

The invention discloses an energy-saving environment-friendly idler wheel type fishing vessel. The energy-saving environment-friendly idler wheel type fishing vessel comprises a deck, two vessel bodies with the same structure, a spherical solar battery, wheels and folding wheel carriers, wherein the deck is laid on the tops of the two vessel bodies; a gap is formed between the two vessel bodies; each vessel body comprises an outer side wall plate, an inner side wall plate and a bottom faceplate; the bottom faceplates are parallel to the deck; the inner side wall plates are perpendicular to the bottom faceplates; each outer side wall plate is of a V-shaped structure formed by abutting joint of an upper inclined faceplate and a lower inclined faceplate; each folding wheel carrier comprises a wheel support and a hydraulic cylinder; the wheel support is articulated with the lower end of the inner side wall plate of the vessel body; the wheel is arranged on the wheel support; when the folding wheel carrier is folded, the hydraulic cylinder is pulled to the wheel support and enters a groove in the bottom of the vessel body; and when the folding wheel carrier is unfolded, the hydraulic cylinder pushes the wheel support to expand downwards. Due to arrangement of the wheels, the fishing vessel can be conveniently pulled out from the water surface so as to be maintained. Due to adoption of the spherical solar battery, the problem that a planar solar battery on a mobile vessel is rarely irradiated by sunlight is solved.

The invention discloses photosynthetic bacteria powder. The photosynthetic bacteria powder comprises the following components in parts by weight: 500-600 parts of activated carbon powder, 20-30 parts of bentonite, 10-20 parts of rice hull powder, 10-20 parts of sodium hydrogen carbonate, 200-300 parts of poria powder, 5-15 parts of water-based fluorescent powder and 1000 parts of photosynthetic bacteria liquid. A preparation method of the photosynthetic bacteria powder comprises the steps of sequentially preparing thickening matters, light-absorbing powder, concentrated liquid, light-absorbing concentrated liquid and a photosynthetic bacteria mixture, and carrying out granulation formation. Photosynthetic bacteria in the photosynthetic bacteria powder are high in activity, and after the photosynthetic bacteria powder is used, the activity degree and breed speed of the photosynthetic bacteria can be increased; after the photosynthetic bacteria powder is put into water, the dispersion area is large, and the purification effect is good; and the preparation method is simple and rapid.

The invention discloses a suspension arm strength detection structure applied to engineering machinery production. The structure comprises a bottom plate, a hydraulic rod, a first spring, a rope, a lifting hook, a second spring and limiting blocks, a first groove is formed in the upper surface of the bottom plate; a first spherical roller is movably mounted in the first groove; a second groove isformed in the inner wall of the first groove in the bottom plate; a second spherical roller is movably mounted in the second groove, a base is placed above the first spherical roller, a bearing cylinder is fixedly arranged above the base, inner cavities are formed in the bearing cylinder and the base, hydraulic rods are fixed in the inner cavities through bolts, and connecting blocks are fixedly mounted above the hydraulic rods. According to the suspension arm strength detection structure applied to engineering machinery production, the whole device can be conveniently moved during detection,the stress of the lifting hook during detection can be adjusted, and the stress of the lifting hook can be adjusted in real time, so that a better detection effect is achieved.