48results about How to "Add connection point" patented technology

This invention relates to composite connection parts for hanging and wall decoration board fix, which comprises the following structure: forming by connection parts and materials; connection parts down part has two card hooks with same direction with space; one spring lock hook along bending direction side; two card tanks fixed on materials fix plane with relative bottom is of glue plane; the two card hooks are inside tank with one spring lock into card tank; materials front or middle part has hook.

The high-stability surveying and mapping support for geological surveying and mapping comprises an electric lifting rod, a threaded sleeve, a square connecting block and a fixing plate, and the threaded sleeve is installed on the outer surface of the electric lifting rod; a square connecting block is installed on the outer surface of the threaded sleeve, and two sets of symmetrically-arranged fixing plates are installed on the front face, the back face and the outer walls of the two sides of the square connecting block; round rods are installed on the outer walls of one sides of the four sets of fixing plates in a penetrating mode, and movable sleeves are installed on the outer surfaces of the round rods. The four sets of drill rods can drill into the deep position of the ground, so that positioning placement is facilitated, the placement stability of the equipment is improved, meanwhile, the equipment can be assembled with surveying instruments of different sizes, the equipment and the surveying instruments are fastened and assembled through clamping plates, and when the surveying instruments are used, the shielding shed can be stretched to shield wind and rain for the surveying instruments; in the equipment, the comprehensive plate and the electric lifting rod are connected in a multi-point manner, and connecting points are increased, so that the assembly firmness of the comprehensive plate and the electric lifting rod is ensured.

The invention relates to the technical field of water heaters, and discloses an efficient and energy-saving air source heat pump water heater which comprises a water heater body. A display screen is arranged at the bottom of the outer surface of the water heater body. A first cold water pipe communicates with the top of the left side face of the water heater body, and a second cold water pipe communicates with the bottom of the left side face of the water heater body. The bottom end of the second cold water pipe communicates with a cold water valve, and the bottom end of the cold water valve communicates with an adjusting valve. According to the efficient and energy-saving air source heat pump water heater, a mounting plate is mounted on the wall surface through expansion bolts, then a hoop is connected with a mounting rod on the wall surface in a clamped mode, and finally the water heater body is placed in a supporting ring, so that the water heater body is mounted on the wall surface, and the occupied area of the practical ground of a user is reduced; and the situation that the user accidentally collides with the surface of the water heater in the using process is not likely to happen, the good health of the user is guaranteed, the user can conveniently use the water heater, and the practicability is good.

The invention discloses a battery mounting part for vertically hooking a battery pack and an electric vehicle, and belongs to the field of battery replacement of electric vehicles. A battery mounting part is arranged at the bottom of an electric vehicle and used for mounting a battery pack, a first hooking seat is arranged on the battery mounting part and used for being matched with a first hooking piece of the battery pack and hooking the battery pack in the vertical direction, the battery pack is provided with an upper cover and a lower box body, a battery module is arranged between the upper cover and the lower box body, the upper cover is provided with the first hooking piece, and the first hooking piece is arranged on the lower box body. The hanging device is used for hanging the battery pack into a first hanging seat on the electric vehicle in the vertical direction. According to the invention, the first hitching piece is hitched in the first hitching seat along the vertical direction, so that the number of connecting points between the battery pack and the electric vehicle is increased, the mounting stability is improved, and the shock resistance of the battery pack in the running process of the electric vehicle is improved.

The invention discloses a method for making paper. The method comprises the following steps: preparing a sizing agent of certain concentration, adding ultra-high molecular weight cationic polyacrylamide of which the molecular weight is 8000K-30000KDa into the sizing agent, uniformly mixing to form a first mixture characterized in that positive charges covering the sizing agent, adding packing of certain concentration and with negative charges into the first mixture, uniformly mixing to form a second mixture characterized in that the sizing agent, the ultra-high molecular weight cationic polyacrylamide and the packing are wrapped with one another, adding a packing flocculating agent of which the molecular weight is 3000K-10000KDa into the second mixture so as to form a third mixture, dispensing pulp by using the third mixture and making into paper. In such a mode, the method improves the physical strength indexes such as internal aggregation and fracture resistance of the prepared paper.

The invention discloses a special bracket for a connecting rod, which is connected with an automobile secondary car frame. The special bracket for the connecting rod comprises an inverse U-shaped piece, a first turning edge and a second turning edge; the first turning edge and the second turning edge are respectively arranged on the two lateral faces of the inverse U-shaped piece; the first turning edge and the second turning edge are respectively inclined toward the outer side of the inverse U-shaped piece; the first turning edge is fixedly connected with a cross beam; and the edge at the back part of the top face of an inverse U-shaped top face, the edges at the back parts of the two lateral faces of the inverse U-shaped piece, and the edge at the back part of the second turning edge are fixedly connected with a vertical beam. According to the special bracket for the connecting rod provided by the embodiment of the invention, the two turning edges which are inclined outward are arranged on the two lateral faces of the inversely U-shaped piece, so that the first turning edge is fixed with the beam; and the edges at the back parts of the top face and the two lateral faces of the inversely U-shaped piece, and the second turning edge are fixed with the vertical beam. A connection point between the special bracket of the connecting rod and the secondary car frame is additionally arranged, so that the stress of the invention can be effectively burdened; the risk of damaging the bracket is reduced; the service life of a suspension rack can be prolonged; the property of an automobile can be improved; and the security coefficient of the driver can be improved.

The invention discloses a double-girder multi-lifting-point crane and a working method thereof, and relates to the technical field of cranes. The double-girder multi-lifting-point crane comprises two groups of gantries, double girders are fixedly connected between the two groups of gantries, an electric hoist is mounted in the double girders, a hook is mounted at the bottom end of the electric hoist through a connecting block, a multi-hanging-point hanger is installed at the outer side of the hook and comprises an assembly box, a plurality of winders are installed in the assembly box, a plurality of locking components used for limiting the winders are installed on the side face of the assembly box, and a reinforcing device is installed at the upper side of the assembly box. By means of the double-girder multi-lifting-point crane, the number of connecting points of the crane and a to-be-lifted object can be increased, the stability during lifting of a large object is improved, and the multi-lifting-point hanger is composed of two sets of box bodies, so that a user can conveniently assemble the multi-lifting-point hanger and the connecting block; and meanwhile, the multi-lifting-point hanger is provided with a reinforcing device, so that the overall stability of the multi-lifting-point hanger can be enhanced.

The invention discloses a method and a system for extracting special solvent oil from stable light dydrocarbon and belongs to the technical field of oil refining and chemical engineering. The method comprises the following steps: feeding a raw material, namely stable light dydrocarbon into a de-heavy fractionator so as to obtain light component oil and heavy aromatics; feeding the light componentoil into a light component removal tower so as to obtain a byproduct, namely the stable light dydrocarbon and a C6-C7 component; feeding the C6-C7 component into a hexane removal tower so as to obtainhexane oil and heptane oil; feeding the hexane oil into a hexane oil separation tower so as to obtain isohexane and n-hexane; feeding the heptane oil into a heptane oil separation tower so as to obtain isoheptane and n-heptane. The system comprises the de-heavy fractionators, the light component removal tower, the hexane removal tower, the hexane oil separation tower and the heptanes oil separation tower. By adopting the technical scheme of the embodiment of the invention, efficient utilization of the stable light dydrocarbon is achieved, the largest benefits can be made with limited resources, economic benefits of companies are increased, and meanwhile market requirements can be met.

The invention discloses a nail taking device for the orthopedics department. The nail taking device comprises a support, a screw, a composite sleeve, a distraction loop bar and a distraction rod, wherein a plurality of supporting legs are arranged on the support, the screw is installed in the support, the screw is a hollow cylindrical pipe, vertical grooves are symmetrically formed in the inner wall of one end of the screw, a hollow screw head is arranged at the other end of the screw, a screw sleeve is installed on the screw head, connecting rods are symmetrically hinged to an end of the screw head, clamping pieces are arranged at the ends of the connecting rods, and connecting threads are arranged on the outer wall, connected with the screw head, of the screw; the composite sleeve is installed on the screw, protruding strips are installed in sliding grooves, and threads on the inner wall of a connecting sleeve are connected with the connecting threads in a matched mode; the distraction loop bar is mounted in the screw; and the distraction rod is installed in the distraction loop bar. By increasing acting force points acting on bone nails, the bone nails can be taken out more easily and are not prone to loosen, slip and break.

The invention discloses a battery pack used for being horizontally hung on an electric automobile and the electric automobile, and belongs to the field of electric automobile battery replacement. A battery pack is provided with an upper cover and a lower box body, a battery module is arranged between the upper cover and the lower box body, and the upper cover is provided with a second hanging piece which is used for moving to a position corresponding to a second hanging seat at the bottom of an electric vehicle in the vertical direction and moving into the second hanging seat in the horizontal direction. And the battery pack is hung in a second hanging seat on the electric vehicle. The second hitching piece is hitched in the second hitching seat in the vertical direction, so that the number of connecting points between the battery pack and the electric vehicle is increased, the mounting stability is improved, and the shock resistance of the battery pack in the running process of the electric vehicle is improved.

This invention relates to composite connection parts for hanging and wall decoration board fix, which comprises the following structure: forming by connection parts and materials; connection parts down part has two card hooks with same direction with space; one spring lock hook along bending direction side; two card tanks fixed on materials fix plane with relative bottom is of glue plane; the two card hooks are inside tank with one spring lock into card tank; materials front or middle part has hook.

This invention relates to composite connection parts for hanging and wall decoration board fix, which comprises the following structure: forming by conversion connection part and hanging parts; the conversion connection parts down part has two hooks with same direction with space in between; the hanging parts down board is clutched between two hooks to relatively move 90 degrees. The invention two hooks are in tank to strengthen connection stability.

The invention relates to a steering transmission system and a special vehicle. The steering transmission system comprises a bogie, two steering knuckle arms and knuckle arm pull rods, wherein the bogie is rotatingly assembled on a frame, the bogie is provided with a driving connection part, and the driving connection part is used for being in transmission connection with a steering gear, so as toachieve the rotation of the bogie on the frame; the two steering knuckle arms are arranged on the two sides, in the width direction of the frame, of the bogie correspondingly; the knuckle arm pull rodis arranged between the bogie and the corresponding steering knuckle arm; one end of the knuckle arm pull rod is hinged to the steering knuckle arm, the knuckle arm pull rod is in transmission connection with the bogie through the vertical arm, one of the knuckle arm pull rod and the bogie is in guide fit with the vertical arm in the axial direction of the vertical arm, and the other one is in limiting fit with the vertical arm in the axial direction of the vertical arm. The relative movement stroke of the knuckle arm pull rod or the bogie and the vertical arm in the axial direction of the vertical arm is not smaller than the retracting and releasing movement stroke of a wheel assembly on the frame.