30results about How to "Does not obstruct the line of sight" patented technology

The invention belongs to the field of mine vertical shaft hoisting equipment, and particularly relates to a cage door for mine hoisting. Guide rails for fixing safety doors are arranged on a cage and extend to the flat surface of the top of the cage from the bottoms of the opening sides of the cage so as to enable the safety doors to be pulled to the flat surface of the top of the cage from the opening sides of the cage; the turnings of the guide rails are of circular arc transition structures; a transmission device for driving the safety doors to move is arranged on the flat surface of the top of the cage and is powered by a power device; a front opening and a rear opening are formed in the cage; each opening is provided with the safety door; and the guide rails of the front opening side and the rear opening side of the cage are staggered on the flat surface of the top of the cage. The cage doors are interlocked with a shaft mouth car handing system; and after the cage is in place, the cage doors automatically open, thereby reducing the errors of manual operation. The potential energy generated during the up and down movement of the cage is stored by a power accumulator in the cage door so as to provide energy sources for the power device. The cage door is energy-saving and environmentally-friendly; and meanwhile, a latticed frame structure is adopted, so that the sight line of a cage riding person is not blocked.

The invention discloses a cutting device for a composite environment-friendly material. The cutting device comprises a working table. A supporting base is arranged on the bottom of the working table.A motor is arranged on the top of the working table. A rotating shaft is arranged at one end of an output shaft of the motor. A scrubbing sheet is arranged at one end of the rotating shaft. A protecting cover is arranged on the top of the working table. A groove is formed in the top of the protecting cover. The groove penetrates through the inner wall of the protecting cover. The scrubbing sheet penetrates the groove and extends into the protecting cover. A cutting groove is formed in the bottom of the scrubbing sheet. A feeding opening is formed in one side of the protecting cover. Accordingto the cutting device, by arranging the protecting cover, the groove, a discharging opening and the feeding opening, the groove is formed in the top of the protecting cover, the groove penetrates through the protecting cover, the feeding opening is formed in one side of the protecting cover, the discharging opening is formed in the other side of the protecting cover, the scrubbing sheet penetratesthrough the groove and extends into the protecting cover, working is carried out in the protecting cover, and waste materials can be blocked by the protecting cover.

An intelligent side parking system is composed of an electromotor, a transmission system, an executing mechanism, a charge timing system and an outer cover, wherein the electromotor drives a reel which is arranged in the transmission system, a steel wire rope on the reel is driven to drag a slide plate which is arranged in the executing mechanism, the process of car parking and car taking is completed by means of a translational motion of the slide plate which is arranged in the executing mechanism on guide rails, the charge timing system also correspondingly completes timing and charging, and the outer cover is connected with the guide rails and matched or in parallel to road shoulders and curbstones. When a car drives toward the slide plate, after a driver starts the timing charge system, the electromotor drives the slide plate to move along the guide rails through the reel and the steel wire rope, thus the process of the car parking is completed. When the driver takes the car, after the timing charge system stops, fee is deducted automatically by the system, the car is delivered back and keeps static relative to the slide plate in the process of delivery, and no operation of the car needs to be carried out by the driver.

The invention discloses a sunshade fishing cap with a replaceable mosquito repellent medicine bag, which belongs to the field of hats. The comfort of fishing is improved by adding a mosquito repellent medicine bag and a refrigeration bag on the basis of the existing fishing cap. The mosquito repellent medicine bag Both the mosquito repellent and the refrigeration bag are magnetically attracted to the fishing cap for easy replacement. The mosquito repellent medicine bag itself has a zipper for easy replacement of new mosquito repellent Chinese medicine. When fishing in a high temperature environment, you can squeeze the two sides of the refrigeration bag with your hands. side, so that the internal needles puncture the protective film to release ammonium nitrate, and use the characteristics of ammonium nitrate dissolved water to absorb a large amount of heat to reduce the temperature of the head and neck, effectively improving the comfort and experience of fishing, and this fishing cap is self-contained With a luminous effect, it can still repel mosquitoes when fishing at night.

The outdoor propaganda platform comprises a base frame, a propaganda board, a propaganda board supporting mechanism, a ceiling supporting mechanism, a ceiling, a safety rail and two ladders. The baseframe comprises a plurality of supporting legs, a rack fixed to the supporting legs and a platen laid on the rack. The propaganda board is fixed at the rear end of the bedplate; the propaganda board supporting mechanism comprises two pairs of inclined supporting rods which are arranged between the two sides of the back surface of the propaganda board and the ground in a one-to-one correspondence manner; the ceiling supporting mechanism comprises two rear supporting rods fixed to the two sides of the middle of the table plate in a one-to-one correspondence mode and two front supporting rods fixed to the two sides of the front end of the table plate in a one-to-one correspondence mode. The ceiling comprises a ceiling frame arranged at the top of the propaganda board, the tops of the two rearsupporting rods and the tops of the two front supporting rods, and a ceiling plate laid on the ceiling frame; the safety rail is arranged in the middle of the front end of the bedplate; and the two ladders are arranged between the front end of the bedplate and the ground and are positioned on two sides of the safety rail in a one-to-one correspondence manner. The outdoor propaganda table is stable in structure and low in manufacturing cost.

The invention provides a panoramic transparent umbrella comprising a bottom support capable of extending and retracting transversely, an umbrella handle which is arranged at the center of the bottom support and is capable of extending and retracting longitudinally, a foldable umbrella top component arranged at the top of the umbrella handle, an umbrella wall component with the two ends connected with the umbrella top component and the bottom support, and a completely transparent umbrella cover arranged on the outside of the umbrella top component and the umbrella wall component. The panoramic transparent umbrella is convenient to carry and use, and, during use, can prevent the whole body of a user from wetted by rainwater and does not block the line of sight of the user or make the user feel sultry. With the structure, the umbrella has a larger shield area when being opened; the peripheral closed umbrella wall can shield a user wholly in the umbrella; the umbrella can be closed and downsized to be carried about by people. The panoramic transparent umbrella is simple in structure, low in cost and convenient to use, has great wind and rain resisting capability, and has a high market economy value and social environmental protection value.

The invention discloses a demister for a front windscreen of a vehicle. The demister comprises a brush head and a swing arm. The brush head is in close contact with the inner surface of the front windscreen; the swing arm is connected with the brush head, and the swing arm and an external windscreen wiper on the side of a driver share a motor; the shape of the brush head and the swing arm is the same as the shape of the external windscreen wiper on the side of the driver, and the swinging range of the brush head and the swing arm is the same as the swinging range of the external windscreen wiper on the side of the driver. The demister for the front windscreen of the vehicle has the advantages that the goal of quickly demisting before a warm air mode is started is realized, the sight of the driver is not blocked during demisting and the power of the engine is influenced.

The invention discloses a boom-type roadheader mounted tunneling anchor-along drilling integrated drilling machine which mainly consists of a steel plate structural piece and a hydraulic system, wherein the steel plate structural piece of the drilling machine comprises a main withdrawing and release arm, a drilling machine rack, a vertical rotary mechanism and a horizontal rotary mechanism; the hydraulic transmission system of the drilling machine comprises a drilling hole hydraulic motor, a drilling machine horizontal rotary hydraulic motor, a drilling machine vertical rotary hydraulic motor, a telescopic leg hydraulic cylinder, a drilling machine thrust hydraulic cylinder, a hydraulic control element and a hydraulic auxiliary element. The drilling machine is characterized in that the drilling machine and a tunneling machine are integrally combined and are distributed on two sides of a tunneling machine cantilever, and the walking of the drilling machine is achieved through a walking mechanism of the tunneling machine. Holes can be drilled in an all-direction and multifunction manner in a tunneled roadway, both anchor bolt support and top plate lithology detection can be achieved, and drilling of shotholes, drilling of gas sucking and discharge holes, geologic drilling and the like can be achieved, and facilities and methods are provided for safe, rapid and efficient roadway tunneling.

The invention discloses an invisible sun-rain umbrella for a scooter. The invisible sun-rain umbrella comprises a main telescopic supporting frame, a plurality of umbrella ribs installed on the main telescopic supporting frame, umbrella cloth installed on the umbrella ribs and the main telescopic supporting frame, and a containing bin used for containing the main telescopic supporting frame, the umbrella ribs and the umbrella cloth which are in a folded state. The main telescopic supporting frame comprises a plurality of telescopic assemblies. Each telescopic assembly comprises at least two crossed supporting rods. At least one telescopic assembly is installed between every two adjacent umbrella ribs. Each umbrella rib comprises a fixed umbrella rib body and two movable umbrella rib bodies, wherein the two movable umbrella rib bodies are installed at the two ends of the fixed umbrella rib body respectively. The two ends of each supporting rod are connected with the fixed umbrella rib bodies of two corresponding adjacent umbrella ribs, and at least one end of each supporting rod is connected to the corresponding fixed umbrella rib body in a sleeving mode through a sliding assembly and connected with one end of the corresponding movable umbrella rib body through a sliding assembly. The invisible sun-rain umbrella is integrated with the scooter and is capable of being invisibly stored, high in compatibility or universality, simple in structure and convenient to unfold and store; the invisible sun-rain umbrella does not block the sight of a scooter rider and is safe and reliable in use.

The invention discloses a multifunctional bookstand, which comprises an inverted triangular body, a regular triangular body, a connecting strap for connecting the regular triangular body and the inverted triangular body, a PAD (personal digital assistant), a camera pen, an input terminal, a hand generator and a charger, wherein the inverted triangular body is a box formed with an opening in the top, and a supporting plate is arranged at the bottom of the inverted triangular body; an automatic reel is arranged inside the inverted triangular body; the PAD is arranged on the right surface of the regular triangular body by virtue of a rotating shaft; a camera pen slot is arranged in the front surface of the regular triangular body; a writing case slot and an input terminal box slot are arranged on the upper and lower parts of the bottom of the regular triangular body; and the opposite surfaces of the inverted triangular body and the regular triangular body are inclined planes. The multifunctional bookstand disclosed by the invention, which integrates a bookstand, a garbage can and electronic note finishing equipment, is relatively convenient for using and carrying; and books are arranged in an inclined mode, so that the influence on visual line is avoided.

The embodiment of the invention discloses swimming goggles comprising a goggle frame; and a compressible air space is formed in the goggle frame, the air space is connected with air pressure adjustingpieces, one end of each air pressure adjusting piece is at least partially contained in the air space, the other end of each air pressure adjusting piece is exposed out of the outer surface of the goggle frame, and the air pressure adjusting pieces can be contracted or stretched according to the stress condition after being pressed. According to the technical scheme, the air pressure adjusting pieces are additionally arranged on the swimming goggles, not only the weight of the swimming goggles is not increased to cause discomfort and the view is not obstructed, but also the air pressure adjusting pieces can be driven to stretch outwards or stretch inwards under the action of pressure difference of atmospheric pressure or water pressure, and an ideal air pressure adjusting effect in the swimming goggles can be achieved.

The invention relates to a slotting device, in particular to a floor wireway slotting device. The floor wireway slotting device aims to achieve the technical purposes of being capable of assisting workers in shielding dust and cooling a cutter during slotting by the workers. According to the technical implementation scheme, the floor wireway slotting device comprises an installation device and a cutting mechanism, and the cutting mechanism is connected to the installation device; and optionally, the installation device comprises an installation bottom plate, installation wheels and an installation frame, wherein the installation wheels are rotationally connected to the four corners of the bottom of the installation bottom plate, the installation frame is arranged on the top of the installation bottom plate, a fixing hole is formed in one side of the middle of the installation frame, and a component of the cutting mechanism is rotationally connected with the fixing hole. When the workers cut the ground for slotting, a dustproof frame enables dust produced during cutting to be contained in the dustproof frame and leaked from the bottom of the dustproof frame, and the problems that the sight of the workers is blocked and the workers inhale dust to affect health are avoided.

The invention relates to a comfortable safety pillow, which is characterized in that it includes a headrest body, wherein the headrest body is respectively provided with a nesting cavity for the back of the head and a nesting cavity for the shoulders, and the headrest body is also provided with a nesting cavity connected to the back of the head 1. The neck nesting cavity of the shoulder nesting cavity, an arc surface smooth transition structure is also provided between the neck nesting cavity and the hindbrain nesting cavity, and there is also a smooth transition structure between the neck nesting cavity and the shoulder nesting cavity There is a smooth transition structure on the curved surface; the walls of the nesting cavity of the back of the head, the nesting cavity of the shoulders, and the nesting cavity of the neck are also covered with cushioning and comfortable fabrics; the headrest body is located in the nesting cavity of the shoulders The two sides are also respectively provided with shoulder wings extending outward; the inner side of the shoulder wings is also provided with placement holes; the headrest body is provided with binding holes. The invention has the advantages of simple structure, high reliability, comfortable wearing, strong applicability, etc. It can simultaneously support the brain, neck and shoulders, has higher safety, and can improve people's health.