49results about How to "There will be no overturning" patented technology

The invention provides an automatic stacking method for corrugated boards, comprising the following steps of: firstly, when the corrugated boards pressed by a paper pressing assembly pass through a convey assembly, separating the corrugated boards by the convey assembly; collecting the corrugated boards by a hanging rail assembly driven by a motor at an initial receiving position; carding the corrugated boards entering a hanging cage by a carding assembly; sending a signal to the motor by a photoelectric switch when the corrugated boards in the hanging ring assembly are collected to a position which is as high as the position set by the photoelectric switch, descending the hanging rail assembly by the motor so that the height of paper surface at the utmost end is equal to the initial receiving height of the hanging rail assembly; continuously collecting the corrugated boards, sending the corrugated boards to the next working procedure by a paper roller set after the hanging rail assembly collects the corrugated boards with a predetermined amount. Adopting the technical scheme, the invention eliminates gap of a hanging rail mechanism of an automatic counting stacker so that the stacked boards are stable and reliable, time for halt and adjustment caused by changing lines is shortened, the production cost is reduced, and the efficiency of the product line of the corrugated boards is greatly improved.

The invention discloses a computer display with high stability, which comprises a display body, the bottom of the display body is fixedly connected with a connection block, the bottom of the connection block is fixedly connected with a fixed block, and the bottom of the inner wall of the fixed block is fixedly connected with There are positioning blocks. In the present invention, display body, connecting block, fixed block, positioning block, first spring, limiting plate, clamping column, support plate, hollow block, fixed rod, pressing plate, movable block, connecting rod, pressing block, clamping block, The use of the second spring solves the problem that the existing computer monitor cannot be fixed when it is placed, and the computer monitor is prone to tipping when it is hit by a collision, causing the computer monitor to break. The computer monitor with high stability has high stability. The advantages ensure that the computer monitor will not fall when it is hit, and reduce the economic loss of the user.

A full-automatic soft bottle box filling machine comprises a conveying frame. One side of the conveying frame is connected with a machine frame. A frame which is arranged above the conveying frame and the machine frame in a stretch-across mode is connected between the conveying frame and the machine frame. The frame is connected with a hanging rod. The bottom face of the hanging frame is connected with a group of sucking discs. The full-automatic soft bottle box filling machine has the advantages that the structure is reasonable, full-automatic box filling of soft bottles can be achieved, the soft bottles in irregular shapes can be arranged in a paper box in order in a row-up mode, the phenomenon of toppling cannot happen during soft bottle box filling, working efficiency is improved, production cost is lowered, soft bottle box filling quality can be effectively guaranteed, the phenomenon of collision of the bottles which are arranged in the paper box in a filling mode in order during a conveying process can be avoided, soft bottle breaking is avoided, soft bottle conveying safety is guaranteed, the soft bottles can be used normally, environment is protected, environment protecting effect is good, using effect is good, and promotion can be well achieved.

The invention belongs to the technical field of storage devices, and discloses a turnover storage rack and a refrigerator. The turnover rack comprises a fixed rack installed on the side wall of storage equipment and a turnover rack hinged to the fixed rack; when the turnover rack is at a high position, the whole turnover rack is arranged on the outer side of the fixed rack in a wound mode. The turnover rack can be used for containing beverage bottles when turned downwards to a low position. The turnover rack is provided with a first limiting piece. The side wall of the fixed rack is provided with a first matching piece which is matched with the first lifting piece so as to limit the turnover rack to be in the high position state. By installing the turnover rack on the fixed frame, the space below the fixed frame is not occupied after the turnover rack is folded, the turnover rack can store beverage bottles, canned beverage and the like after being turned to the low position, and the utilization rate of space below the fixed frame is enhanced. A refrigerator body is provided with the turnover storage rack, and space is saved; after beverage bottles are placed in, bottle openings are outward and upward obliquely, and a camera can take photos conveniently; the beverage bottles are stably placed, and the camera photographing recognition rate is high.

The invention relates to a double-layer jacking transfer machine. The double-layer jacking transfer machine comprises a jacking transfer support in mating use with a double-layer chain machine; the jacking transfer support is provided with an upper layer jacking transfer machine and a lower layer jacking transfer machine; the upper layer jacking transfer machine comprises an upper layer transfer assembly and two upper layer cylinders used for providing jacking power; the two upper layer cylinders are arranged above the two sides of the upper layer transfer assembly through two upper layer cylinder connection blocks; the upper layer transfer assembly is also provided with at least four upper layer liner guiding shafts used for guiding and an upper layer linear bearing; the upper layer liner guiding shafts are connected with the upper layer transfer assembly through an upper layer guiding shaft fixing base; the upper layer jacking transfer machine also comprises an upper layer block and an upper layer baffle; the structure of the lower layer jacking transfer machine is the same as that of the upper layer jacking transfer machine; the cylinder diameter of each upper layer cylinder is greater than that of each lower layer cylinder. The double-layer jacking transfer machine provided by the invention can not only reliably transport a jacking workpiece, but also can satisfy the requirements of height and load, and the integral structure is more compact.

The invention discloses an under beam device used for an irradiation processing accelerator and capable of automatically turning over goods. The under beam device includes a conveying roller table and a manual turnover roller table on the conveying roller table, wherein an automatic turnover device is arranged on one side of the manual turnover roller table side by side; the automatic turnover device includes a goods conveying mechanism, a fixing support and two turnover mechanisms; each turnover mechanism includes a rotating shaft penetrating through the goods conveying mechanism and a plurality of turnover brackets fixed in sequence on the rotating shaft. Compared with the prior art, the under beam device used for the irradiation processing accelerator and capable of automatically turning over goods, provided by the invention, has the advantages that personnel can control goods to reach the device at will and selectively by arranging the automatic turnover device on one side of the manual turnover roller table; the automatic turnover device automatically turns over goods, and goods reach the irradiation zone; as the all-manual turning over operation is eliminated, the working efficiency is improved, and labor input is reduced.

An electric wheelchair with liftable armrests belongs to the technical field of daily necessities. The wheelchair comprises a seam, a backrest, armrests on two sides of the seat, backrest support tubes on two sides of the seat and armrest support tubes on two sides of the seat. One end of each backrest support tube is hinged to the backrest, and the other end of the same is hinged to the seat. The wheelchair is characterized in that one end of each backrest support tube is hinged to one end of a rotary arm, one end of each armrest support tube is hinged to the middle of each rotary arm, the other end of each armrest support tube is hinged to the seat, and each armrest is provided with an armrest locking mechanism which is matched with the other end of each rotary arm. The armrests can be locked and unlocked with the rotary arms, when the armrests are unlocked with the rotary arms, the armrests can be lifted to allow patients to enter the seat from each of the two sides conveniently, the electric wheelchair is good in stability due to the fact that the patients enter from each of the two sides, tip-over of the wheelchair is avoided, and safety is guaranteed.

The invention discloses a high-stability engineering surveying and mapping device. The device comprises a connecting seat; fixing plates are symmetrically and fixedly connected to the top end of the connecting seat; a surveying and mapping instrument is rotatably connected between the two fixing plates; a buffering anti-deviation mechanism is rotatably connected to the bottom end of the connecting seat; a vertical cylinder is fixedly connected to the bottom end of the buffering anti-deviation mechanism; and a water surface floating mechanism is arranged at the outer side of the vertical cylinder. The device is scientific and reasonable in structure and safe and convenient to use; the water surface floating mechanism is arranged; and through cooperation of a pressing plate and a connecting rod, a rubber block is pushed to move in an air cylinder, air exhausting and pushing are conducted, meanwhile, a fixing rod is rotated, the fixing rod drives a lower limiting block and an upper limiting block to move, the positions of the lower limiting block and the upper limiting block are adjusted, so that the lower limiting block, the upper limiting block, a buffer spring and a sealing block are matched with one another; when an air bag strip is inflated, an air pipe is opened through air exhausting and closed through air pushing, and so that air conveniently enters the air cylinder through the air pipe.

The invention discloses a convenient cable winding and transportation device. The device comprises a storage cylinder; a circular upper cover plate is arranged on an upper end cover of the storage cylinder; a rotating round plate is arranged under a storage roller; a limiting round plate is arranged at the lower end of the rotating round plate, and is fixed on the inner wall of the storage cylinder; a rotating bottom ring is movably positioned in an annular rotating groove; a wire inlet round hole is formed in the middle part of one side of the storage cylinder; a limiting cylinder is positioned on the outer side of the storage cylinder and on one side of the wire inlet round hole; fixed rings fixedly sleeve the upper and lower ends of the outer side of the storage cylinder; and a metal lifting ring is fixedly welded at the upper end of a straight screw rod. The device achieves more convenience for cable transportation, is higher in transportation efficiency, saves both manpower and time, cannot generate the cable tilting phenomenon in the transportation process, can prevent damage to covers of cables, greatly improves the transportation safety, is high in practicability, and deserves popularization.

The invention discloses an air-conditioning condenser anti-return device, including a condenser, wherein a heat dissipation fan is fixedly installed in the middle of one side of the condenser througha fixing screw; a wind shield assembly is installed at the top end of the condenser; and fixing assemblies are arranged at two ends of that bottom end of the condenser. Therefore, the air-conditioningcondenser anti-return device is reasonable in structure, is safe and convenient to use, and can effectively prevent the hot air from returning to the side of the condenser through the wind shield, resulting in a reduced condensation effect of the condenser, improving the cooling effect of the condenser, and facilitating the fixing of the windshield through the first fixed magnetic strip and the second fixed magnetic strip, so that the windshield does not tip over when in use; and by means of the anti-collision rubber plate and the cushioning spring, the collision between the external substances and the condenser can be effectively prevented so as to prevent damaging the condenser, and the cushioning effect can be effectively played, and the damage rate of the condenser in the process of handling is reduced.

The invention relates to a vehicle ladder used for maintenance of an electrified railway catenary, which solves the defect that the catenary maintenance vehicle ladder cannot meet actual use requirements compared with the prior art. In the present invention, the output shaft of the main motor is installed on the main reducer, and the main reducer is fixedly installed on the short longitudinal beam through the support of the main reducer. The main reducer and the two longitudinal beams are respectively equipped with a driving wheel assembly, and the driving wheel assembly The number is 2, the drive wheel assembly includes a spline shaft installed on the output shaft of the final reducer, the spline shaft is connected with the drive shaft through a connecting shaft, a bearing seat is fixedly installed on the longitudinal beam, and the drive shaft is installed on On the bearing seat, the end of the drive shaft outside the chassis of the ladder car is fixedly equipped with a traveling wheel. The invention can electrically control the running of the ladder, adjust the center of gravity of the ladder at the bend by adjusting the length of the ladder feet, and ensure that the ladder will not overturn during operation through the design of the rail grabbing device.

The invention relates to a fork type loading and unloading vehicle head. According to the fork type loading and unloading vehicle head, a left fork arm and a right fork arm are moved to the positions flush with a cargo conveying assembly, the cargo conveying assembly is started, cargoes enter the position between the left fork arm and the right fork arm from the conveying assembly, and when enough cargoes enter the position between the left fork arm and the right fork arm, the cargo conveying assembly stopped; then a second driving assembly is started, the left fork arm and the right fork arm synchronously swing downwards to the surfaces of the stacked cargoes, and then, the cargoes between the left fork arm and the right fork arm are located on the lower-layer cargoes and are correctly aligned; then, a cargo jacking assembly acts to jack the cargoes on the edges, and finally, a first driving assembly acts to pull out the left fork arm and the right fork arm from the position between the upper-layer cargoes and the lower-layer cargoes, so that final stacking is completed; and the cargoes do not need to slide, and the stacking of the cargoes with uneven tops and bottoms can be met; and the cargoes cannot topple over, so that the stability and the safety are improved.

The invention relates to a box step for overhauling an overhead line system of an electrified railway. and overcomes the defects that an overhead line system overhauling box step cannot satisfy the actual use requirements compared with the prior art. According to the box step disclosed by the invention, an output shaft of a main motor is mounted on a main decelerator, the main decelerator is fixedly mounted on a short longitudinal beam through a main decelerator supporter, driving wheel components are respectively mounted on the main decelerator and two longitudinal beams, and the number of the driving wheel components is two; the driving wheel components comprise spline shafts mounted on the output shaft of the main decelerator, and the spline shafts are connected with driving shafts through connecting shafts; bearing seats are fixedly mounted on the longitudinal beams, the driving shafts are mounted on the bearing seats, and travelling wheels are fixedly mounted at the ends, outside the chassis of the box step, on the driving shafts. According to the box step disclosed by the invention, the movement of the box step can be electrically controlled, the barycentric regulation of the box step at a bend path can be realized through the adjustment of the length of box step feet, and through the design of a track grasping device, the situation that the box step cannot be overturned in operation is ensured.

The invention provides fiber cable installation auxiliary equipment. The fiber cable installation auxiliary equipment comprises a main body, a side part, a guide groove, a moving rod, a winding piece,a downward pressing plate and an overturning rod, wherein the main body is of a rectangular structure, a power motor is installed inside the main body, the inner side of the side part is connected with the outer side of the bottom of the main body in a fixed connection mode, guide grooves are formed in the positions of two sides of the two ends of the main body, and stressing rods are arranged onthe side edges of the outer ends of the guide grooves; moving rods are embedded inside inner grooves, and the outer sides of the moving rods are provided with stressing plates of circular plate-shaped structures, the bottoms of the stressing plates are connected with the bottom of the guide groove through springs. The side part is used for being mounted on the outer side of the bottom of the mainbody, and the side part is of an inclined structure, so that when the main body is installed outdoors, the main body can be supported through the side part, when the main body is used, the main bodycan be more stable, and the phenomenon of toppling is avoided.

The invention discloses a screening plant capable of improving the rubber particle screening effect. The screening plant comprises a screening box, fixing blocks are fixedly connected to the two sides of the screening box, and the interior of each fixing block is sequentially provided with a first motor and an exhaust fan from top to bottom. According to the screening plant, the screening box, the fixing blocks, the first motors, the exhaust fans, supporting columns, a connecting plate, a first fixing ring, a second fixing ring, a belt wheel, a first rope, a first rotating shaft, a positioning block, a containing box, screening holes, a third fixing ring, a second rope, a feeding opening, a second motor, a second rotating shaft, stirring blades, a loading box and a filtering sleeve are arranged to be used in cooperation, and the problems that when an existing screening plant is used, the screening manner is single, the rubber particle screening effect is reduced are solved; the screening plant capable of improving the rubber particle screening effect has the beneficial effects of improving the screening efficiency; and the production efficiency of an enterprise is improved, influences on a next process are reduced, and the economical benefits of the enterprise are improved.

The invention discloses flavored yogurt stored at room temperature and a preparation process thereof. Since the flavored yogurt contains fruit grains inside, the flavored yogurt has certain chewinessand sense of solidity; the flavored yogurt comprises physically modified starch; based on the special processing characteristics of physically modified starch, great viscosity is provided before secondary pasteurization, so that dried fruit grains are tightly adhered and wrapped in the yogurt to avoid that the dried fruit grains are broken due to heated treatment and flow shearing, so that the flavored yogurt maintains the sense of solidity, and the flavor and the taste of the flavored yogurt are improved; meanwhile, a stabilizer is added into the flavored yogurt, so that the flavored yogurt has relatively high stability, and can be stored at the room temperature; in the preparation process, yogurt filling equipment is utilized to fill a yogurt base material; the yogurt filling equipmenthas a high degree of automation, so that the production efficiency of the flavored yogurt is effectively improved, the stability of yogurt bottles is improved, and the accuracy of filling and installation of bottle caps is further guaranteed.

The invention discloses an anti-return air device for an air conditioner condenser, which includes a condenser, a cooling fan is fixed in the middle of one side of the condenser through fixing screws, a windshield assembly is installed at the top of the condenser, and two ends of the bottom of the condenser are installed. Both ends are equipped with fixed components. The invention has a reasonable structure and is safe and convenient to use. Through the windshield, the hot air on one side of the condenser can be effectively prevented from flowing back, resulting in a reduction in the condensation effect of the condenser and improving the cooling effect of the condenser. Through the first The fixed magnetic strip and the second fixed magnetic strip are convenient for fixing the windshield, so that the windshield will not fall when in use. Through the anti-collision rubber plate and buffer spring, the condenser , can effectively prevent the collision between external substances and the condenser, resulting in damage to the condenser, can effectively play a buffer role, and reduce the damage rate of the condenser in the process of transportation.

Belonging to the technical field of stool design, the invention relates to a falling prevention stool. The stool includes a stool surface and supporting legs, and the stool surface is supported by the supporting legs. The stool is characterized in that the supporting legs' side walls close to the bottom ends are provided with insertion holes, in which falling prevention plates are inserted. The stool surface is provided with a layer of frosted surface. The length of the falling prevention plates is 5-10CM. The height of the supporting legs is 20-100CM. The falling prevention stool provided by the invention has the advantages of reasonable and simple structure, easy manufacturing, and convenient use. The invention makes improvement to existing stools, and the improvement is mainly reflected in that the stool includes the stool surface and the supporting legs, the stool surface is supported by the supporting legs, and the stool is characterized in that the supporting legs' side walls close to the bottom ends are provided with insertion holes, in which falling prevention plates are inserted. During use, under the action of the falling prevention plates, the stool toppling and falling phenomenon does not appear.

The invention relates to a double-layer jacking and transferring machine, comprising a jacking and transferring bracket used in conjunction with a double-layer chain machine; an upper jacking and transferring machine and a lower jacking and transferring machine are arranged on the jacking and transferring bracket; The upper lifting transfer machine includes an upper transfer assembly and two upper cylinders for providing jacking power, and the two upper cylinders are arranged above the two sides of the upper transfer assembly through two upper cylinder connection blocks; the upper transfer assembly There are also at least four upper linear guide shafts and upper linear bearings for guiding; the upper linear guide shaft is connected to the upper transfer assembly through the upper guide shaft fixing seat; the upper jack transfer machine also includes an upper block and an upper block plate; the structure of the lower jacking transfer machine is the same as that of the upper jacking transfer machine, and the bore diameter of the upper cylinder is larger than that of the lower cylinder. The double-layer jacking and transfer machine of the present invention can not only reliably transport jacked workpieces, but also meet the requirements of height and load at the same time, and has a more compact overall structure.

The invention provides a gear pitch circle clamping jaw structure. The gear pitch circle clamping jaw structure comprises a main body, moving parts, side parts and a rotating part, wherein the main body is of a cylindrical structure, and a connecting groove is formed in the top end of the main body; a plurality of threaded holes at different positions are formed in the top end of the main body; the moving parts are mounted inside the connecting groove in the top end of the main body, and the main body is of a rectangular structure; the top ends of the side parts are connected with the bottom of the main body in a fixed connection mode, the moving parts are used for receiving power transmitted from the interior of the main body through the bottom, so that the three moving parts are stressedat the same time to move inwards, and then a gear is clamped and fixed; the top ends of the moving parts are of an inclined structure, so that the gear and a turbine can be subjected to downward moving force after being clamped, and then the gear and the turbine are fixed more stably; and a contact part made of a rubber material is used for being in direct contact with the gear and the turbine, so that the contact part made of the rubber material can achieve an anti-skid effect.

The invention discloses a plastic greenhouse for seedling growing of unhusked rice. The plastic greenhouse comprises a greenhouse base, a greenhouse arc-shaped frame, electric telescopic rods, a firstwater-spraying head, a second water-spraying head, water-conveying pipes, motors, gearboxes, water tanks, centrifugal water pumps and stirring rods, wherein the electric telescopic rods are mounted on two sides of the top of the greenhouse base, the greenhouse arc-shaped frame is mounted at the tops of the electric telescopic rods, the first water-spraying head and the second water-spraying headare respectively mounted on two sides of the bottom of the greenhouse arc-shaped frame, the water tanks are respectively mounted on two sides of the greenhouse base, the gearboxes are mounted at the tops of the water tanks, the motors are mounted at the tops of the gearboxes, the stirring rods are mounted at the bottoms of the gearboxes, the centrifugal water pumps are mounted on one sides of thebottoms of the water tanks, and the water-conveying pipes are connected to the centrifugal water pumps. The plastic greenhouse has good stability and is capable of resisting strong wind, so that a toppling phenomenon is avoided; unhusked rice can be irrigated during seedling growing, so that manual irrigation is not required; and the plastic greenhouse can be automatically unfolded, so that the unhusked rice is convenient to collect.

The invention discloses a motorbike goods rack facilitating package delivery. The motorbike goods rack comprises an upper supporting rack body, vertical rods and a lower supporting rack body, the vertical rods and the lower supporting rack body are located at the two sides of the lower end of the upper supporting rack body and are fixedly connected with the upper supporting rack body, the verticalrods are located at one side of the lower supporting rack body, a supporting plate is fixedly installed at one side of the lower ends of the vertical rods, and slide grooves are formed in the surfaces of the inner walls of the vertical rods. By means of the motorbike goods rack facilitating package delivery, through the installation of a package delivery box, packages can be classified to make itconvenient for people to rummage, the quantity of stored packages can also be increased, and the work efficiency of delivering the packages is improved; through the installation of a buffering device, the stability of the package delivery box can be guaranteed, the situation that the package delivery box topples cannot occur, thus the package delivery box has a great damping effect, and can be prevented from being damaged, and it can also be guaranteed that the packages are not shaken; through the installation of a retractor, a great rainproof effect can be achieved, the goods rack can be protected against the erosion of rainwater, and the packages can also be prevented from being damaged.

A full-automatic soft bottle box filling machine comprises a conveying frame. One side of the conveying frame is connected with a machine frame. A frame which is arranged above the conveying frame and the machine frame in a stretch-across mode is connected between the conveying frame and the machine frame. The frame is connected with a hanging rod. The bottom face of the hanging frame is connected with a group of sucking discs. The full-automatic soft bottle box filling machine has the advantages that the structure is reasonable, full-automatic box filling of soft bottles can be achieved, the soft bottles in irregular shapes can be arranged in a paper box in order in a row-up mode, the phenomenon of toppling cannot happen during soft bottle box filling, working efficiency is improved, production cost is lowered, soft bottle box filling quality can be effectively guaranteed, the phenomenon of collision of the bottles which are arranged in the paper box in a filling mode in order during a conveying process can be avoided, soft bottle breaking is avoided, soft bottle conveying safety is guaranteed, the soft bottles can be used normally, environment is protected, environment protecting effect is good, using effect is good, and promotion can be well achieved.

The invention discloses a storage device of surgical medical apparatus and instruments. The storage device includes a placement board and a storage board, a rubber sucking disc is fixedly mounted on the upper part of the placement board, one side of the placement board is connected with an outer sleeve, the outer sleeve and the middle of the outer sleeve are connected through a fastener and a telescopic rod, a rotating convex block is arranged on the outer part of a rotating disk, the rotating disk is connected with a limit ring, a connecting fixing board is arranged above the top end positionof a sealing board, and an ultraviolet disinfection lamp is inset in the upper part of the top end position of the sealing board. According to the storage device of the surgical medical apparatus andinstruments, in the process of using, even if the whole device is placed upside down, occurrence of the phenomenon of massive dumping of internal devices does not appear, taken working of specific apparatus is convenient, after using is completed, medical apparatus and instruments can be also well placed in a classified mode, occurrence of the phenomenon of cross infection does not appear, and subsequent disinfection and sterilization work is reduced.

The invention discloses a propaganda board for popularization, specifically relates to the technical field of promotion service. The propaganda board comprises a metal frame, the metal frame is hinged to a glass surface, a supporting rod is arranged at the bottom of the metal frame, a metal door body is arranged on one side of the metal frame, a universal shaft is arranged at the bottom end of the supporting rod, a transverse rod is arranged on one side of the outer wall of the supporting rod, a fixing plate is arranged at the bottom of the universal shaft, and steering wheels are arranged atthe bottom of the fixing plate. The universal shaft is arranged at the bottom end of the supporting rod; the steering wheels are arranged at the bottom of the fixing plate; when the device needs to be moved, the device is pushed, the steering wheels can move in all directions, the multiple steering wheels are arranged at the bottom of the device so that the whole device can be more stable, the toppling phenomenon cannot occur, and due to the fact that the universal shafts are arranged at the bottoms of the supporting rods, the phenomenon that the steering wheels are stuck and cannot move is prevented.

The invention provides an electric wheelchair with a step climbing function. The electric wheelchair comprises a chair body and a front supporting mechanism, wherein a driving shaft is inserted between rear wheels of the chair body in a penetrating mode, the driving shaft is further in transmission connection with a transition shaft through a chain, the front supporting mechanism comprises an upper transverse rod, an electric supporting push rod and a lower transverse rod, the two ends of the upper transverse rod are fixedly connected with the inner side of the bottom of a frame of the chair body respectively, a vertical insertion cylinder is vertically inserted in the middle of the upper transverse rod in a penetrating mode, the electric supporting push rod is inserted into the vertical insertion cylinder in a penetrating mode, a telescopic part at the lower end of the electric supporting push rod is rotationally connected with the middle of the lower transverse rod, and a front protection structure is further connected to the frame at the front end of a cushion of the chair body. The front step-climbing wheel set is put down and makes contact with the ground by controlling the electric supporting push rod, the front side end of the electric wheelchair is supported, adjustment is conducted through the electric adjusting push rod, the inclination of the whole climbing belt and an outer baffle frame is consistent with that of the whole step, the chair body is more stable when going up and down the step, and the overturning phenomenon is avoided.

The invention discloses a rock ballast loading and transporting device based on mining, relates to the technical field of loading and transporting devices, and solves the problems that: rock ballast loaded in an existing mining vehicle easily falls into a mine tunnel due to fluctuation of the road in the transportation process, smooth use of the road is affected, and manual re-cleaning is needed. The rock ballast loading and transporting device based on mining comprises a balance plate; and the balance plate is inserted into a dragging base. When the device is used for transporting rock ballast, a loading and transporting box body does not shake left and right, and the balance plate can automatically keep horizontal according to the fluctuation of a road when encountering the fluctuating road, so that the phenomenon that the rock ballast falls out of the loading and transporting box body due to the fluctuation and distortion of the mine road in the transportation process is avoided, the tidiness degree of transported rock ballast in the mine tunnel is kept, the road can be based on mining guaranteed to be used smoothly all the time, workers do not need to be taken out to clean the mine tunnel in the follow-up process, and labor input is saved.

The invention discloses an environment-friendly beverage cup facilitating condiment adding. The environment-friendly beverage cup comprises a cup cover and a beverage cup body. The top of the beveragecup body is connected with a cup ring through an inverted hanging ring. A sealing ring is bonded to the interior of the inverted hanging ring. The cup cover is welded to the top of the cup ring. A fixing device is welded to the center position of the top of the cup cover. A top cover is clamped and connected into the fixing device. The center position of the top of the top cover communicates witha communication pipe, and the exterior of the cup ring is connected with a lifting rope through a connecting ring. In the environment-friendly beverage cup facilitating condiment adding, the fixing device hollow inside is welded to the top of the cup cover, the top cover is clamped and connected to the interior of the fixing device, the top of the top cover communicates with the communication pipe, and when condiments need to be added into the beverage cup, only the top cover needs to be opened, the situation that during condiment adding, the whole cup cover is opened can be avoided, the beverage exposure area is reduced, and the beverage spilling possibility is reduced.