31results about How to "Strong support and stability" patented technology

The invention discloses a steel tray supporting force transferring system, which comprises an upper steel tray assembly, a lower steel tray assembly and support assemblies, wherein the upper steel tray assembly is used for bearing a load above a target building member; the lower steel tray assembly is used for transferring the load above the target building member to a lower building; the support assemblies are arranged between the upper steel tray assembly and the lower steel tray assembly, and are used for transferring the load above the target building member borne by the upper steel tray assembly to the lower steel tray assembly; the upper steel ray assembly comprises a plurality of upper steel beams; the lower steel tray assembly is correspondingly provided with a plurality of lower steel beams one by one; and the upper steel beams and the lower steel beams are I-shaped steel beams or channel steel beams or combined steel beams. The steel tray supporting force transferring system has the advantages of convenience in underpinning, replacing or lifting and rectifying the target building member, high supporting stability, safety, reliability, low space occupation, convenience in installing and using, flexible selection of underpinned components, detachability for repeated use, and reduction in the construction cost.

A portable projection and display system can include a frame assembly having one or more folding trusses, a counterweight bar arranged on a rearward bottom portion of the frame to help provide a stable base, and an adjustable boom. A projector can be mounted on one end of an adjustable boom. The boom can be configured to be capable of adjusting a distance between the projector and the display screen. The boom can be mounted to the frame with a hinged connection to permit it to act as a lever to raise and lower the projector. An adjustable boom bar can further be provided. The adjustable boom bar can be attached to an end of the boom opposite the projector such that adjustment of the boom bar raises and lowers the projector via a lever action about a fulcrum.

The invention aims to provide an automobile tyre explosion-proof support device. The support device comprises support units; each support unit comprises an arc sheet, a sliding block, a C type sleeve and a movable separation blade; each arc sheet comprises a linear portion at a lower end and an arc portion at a top end; each linear portion is fixed on a wheel hub; the top of each sliding block is hinged to the inside of each arc sheet; each C type sleeve is fixed on the wheel hub; the bottom of each sliding block can slide between the wheel hub and each C type sleeve, and each C type sleeve limits a maximum slide position of each sliding block; a spring is arranged at each sliding block and the linear portion of each arc sheet; each movable separation blade comprises a fix portion and a rotation portion sleeved on each fix portion; each fix portion is fixed on the wheel hub; each rotation portion can rotate around each fixed portion; and when the arc portion of each arc sheet approaches or adheres to the wheel hub, an upper end of each movable separation blade presses on each arc portion to fix the arc portion. The invention has the advantages of simple structure and form and rapid response, etc.

The invention provides an elevator maintenance bottom pit supporting device. The elevator maintenance bottom pit supporting device comprises a supporting column, a cavity, an air pressure device, a main supporting device and auxiliary supporting devices; the supporting column is vertically arranged in an elevator bottom pit and internally provided with the cavity; the air pressure device is fixedto the bottom of the interior of the cavity; the main supporting device is arranged on the upper portion of the interior of the cavity, and the bottom of the supporting device is fixedly connected with the upper end of an output shaft of the air pressure device; the two opposite side walls of the supporting column are provided with the auxiliary supporting devices; and the main supporting device is in transmission connection with the auxiliary supporting devices. The elevator maintenance bottom pit supporting device further comprises a transmission device, a controller, an infrared distance measuring sensor and a speed sensor, wherein, the transmission device is arranged between the main supporting device and the auxiliary supporting devices, the infrared distance measuring sensor is arranged at the top end of the supporting column, the speed sensor is arranged on an elevator car, the infrared distance measuring sensor and the speed sensor are in communication connection with a controller, and the controller is in signal connection with the air pressure device. The elevator maintenance bottom pit supporting device is ingenious in structural design, high in supporting stability andintelligent degree and capable of providing a safe maintenance environment for maintenance personnel.

The invention discloses an automatic book thread stitching system. A machine needle of a machine needle system is connected with a crank-link mechanism. The crank-link mechanism is connected with a driving shaft of a transmission system through a synchronous belt wheel a and a synchronous belt wheel b. A coil stitching system is connected with the driving shaft of the transmission system through a gear d. A book moving system is connected with the coil stitching system through a gear e. The book moving system is provided with an incomplete tooth gear and a flat groove cylinder cam. The incomplete tooth gear is engaged with a rack of a movable platform. The flat groove cylinder cam is connected with a push rod of the movable platform. The rack is controlled to intermittently linearly move front and back through the incomplete tooth gear, and longitudinal intermittent linear movement of a book on the movable platform is achieved. The push rod is controlled by the flat groove cylinder cam to intermittently transversely move left and right, and intermittent reciprocating transverse movement of the movable platform and the book is achieved. The phenomenon of sheet scattering of the book is avoided, bookbinding is firm, errors are small, punching is perpendicular, bookbinding is tidy, and thread-bound book bookbinding can be automatically finished; and efficiency is improved, and the book yield is high.

The invention discloses a steel tray supporting force transferring system, which comprises an upper steel tray assembly, a lower steel tray assembly and support assemblies, wherein the upper steel tray assembly is used for bearing a load above a target building member; the lower steel tray assembly is used for transferring the load above the target building member to a lower building; the support assemblies are arranged between the upper steel tray assembly and the lower steel tray assembly, and are used for transferring the load above the target building member borne by the upper steel tray assembly to the lower steel tray assembly; the upper steel ray assembly comprises a plurality of upper steel beams; the lower steel tray assembly is correspondingly provided with a plurality of lower steel beams one by one; and the upper steel beams and the lower steel beams are I-shaped steel beams or channel steel beams or combined steel beams. The steel tray supporting force transferring system has the advantages of convenience in underpinning, replacing or lifting and rectifying the target building member, high supporting stability, safety, reliability, low space occupation, convenience in installing and using, flexible selection of underpinned components, detachability for repeated use, and reduction in the construction cost.

A pot washing support is installed on a dish basket of a dish washing machine, wherein the pot washing support comprises an overturning supporting arm, a fixing groove is formed in the bottom end of the overturning supporting arm, the overturning supporting arm is clamped on the dish basket through the fixing groove, and the overturning supporting arm can rotate with the axis of the fixing grooveas the center. Compared with the prior art, the pot washing support and the dish washing machine using the pot washing support have the advantages of being compact in structure, high in integrity, stability and flexibility, high in compatibility with other tableware and convenient to store.

The present invention relates to the technical field of photography and camera equipment, in particular to a tripod button mechanism and a tripod, wherein the tripod button mechanism includes an angle locking structure fixedly arranged on the body of the tripod; the button structure includes a first shaft rotatably arranged on the tripod The button on the foot sleeve of the tripod, the button has a joint part suitable for combining with the clamping position of the angle clamping structure, and the jointing part is combined with the clamping position to lock the opening angle of the supporting foot of the tripod; it also includes a supporting structure, at the joint part When combined with the card position, the support structure and the button abut, and the extension line of the connection line from the support point of the support structure to the joint part forms an included angle with the extension line of the support foot towards the end where the angle card position structure is located. The tripod button mechanism and the tripod provided by the invention are beneficial to enhance the stability of the support legs of the tripod, reduce the cost of the angle locking structure, further simplify the product structure, and improve the market competitiveness of the product.

The invention aims to provide an automobile tyre explosion-proof support device. The support device comprises support units; each support unit comprises an arc sheet, a sliding block, a C type sleeve and a movable separation blade; each arc sheet comprises a linear portion at a lower end and an arc portion at a top end; each linear portion is fixed on a wheel hub; the top of each sliding block is hinged to the inside of each arc sheet; each C type sleeve is fixed on the wheel hub; the bottom of each sliding block can slide between the wheel hub and each C type sleeve, and each C type sleeve limits a maximum slide position of each sliding block; a spring is arranged at each sliding block and the linear portion of each arc sheet; each movable separation blade comprises a fix portion and a rotation portion sleeved on each fix portion; each fix portion is fixed on the wheel hub; each rotation portion can rotate around each fixed portion; and when the arc portion of each arc sheet approaches or adheres to the wheel hub, an upper end of each movable separation blade presses on each arc portion to fix the arc portion. The invention has the advantages of simple structure and form and rapid response, etc.

A pot washing support is installed on a dish basket of a dish washing machine, wherein the pot washing support comprises an overturning supporting arm, a fixing groove is formed in the bottom end of the overturning supporting arm, the overturning supporting arm is clamped on the dish basket through the fixing groove, and the overturning supporting arm can rotate with the axis of the fixing grooveas the center. Compared with the prior art, the pot washing support and the dish washing machine using the pot washing support have the advantages of being compact in structure, high in integrity, stability and flexibility, high in compatibility with other tableware and convenient to store.

The invention relates to the technical field of crane maintenance, and discloses a bottom net replacing equipment for a crane. The bottom net replacing equipment comprises a box body, long grooves are formed in the left side and the right side of the lower surface of the box body, two round rods are fixedly connected in each long groove, rollers are movably connected to the outer side walls of the round rods, a supporting plate is fixedly connected in the box body, motors are fixedly connected to the left side and the right side of the box body, and the output ends of the motors extend into the box body. A worker can place a bottom net in two frames in a sliding manner, pushing-in is flexible, the two frames are arranged on the left side and the right side, the supporting stability is high, the bottom net placed into the frames operates through micro push rods, electromagnetic plates are attracted to the bottom net, and the bottom net is pressed; by operating a rotating handle, abutting blocks on the side face can move in the horizontal direction, the bottom net can be pressed from the side face, and the bottom net in the frames can be prevented from shifting; and in addition, bottom nets of different sizes can be placed in the frames, and the application range is wide.

The invention discloses a foldable solar illuminating device. At least two supporting legs are fixed to a light-transmitting cover and extend outwards from the light-transmitting cover along the end face of a lens; a longitudinal concave light surface is arranged in the middle of the light-transmitting cover; a lamp body of an illuminating assembly is arranged to be of a petal shape, and the end the lamp body is connected to a petal-shaped solar battery through a wire; a heat dissipation grid is arranged on a transparent surface cover of the light-transmitting cover and is arranged on two opposite side walls of a rear shell, a heat dissipation plate with ventilation holes is arranged on the inner wall of the rear shell and is provided with a locking groove with a spring bolt part, and an elastic clamping ring is fixedly arranged in the locking groove; and the bottom of a supporting column below the lens penetrates through a round hole-shaped clamping groove and is provided with a detachable hook, and a 120-degree included angle is formed between the hook and a supporting part. The foldable solar illuminating device has the advantages that the supporting stability is high, and installation or disassembly are fast and convenient; and the heat dissipation grid and the heat dissipation plate carry out forced convection and heat dissipation on products, the heat dissipation effect is good, the reliability of the products is high, the service life is long, the size is small after the device is folded, carrying is easy, the generating capacity is high, and the promotion value is high.

The invention discloses an expansion locking mechanism for an indoor safety angle, comprising a safety frame, wherein a triangle plate is arranged at a lower end of the safety frame, an upper combination door and a lower combination door are arranged at a front face of the safety frame, a sectorial cross section of the safety frame is provided, and a safety space is formed between a top surface ofthe safety frame and an upper end surface of the triangle plate; The partition plate is located in the middle of the safety space, and the partition plate divides the upper part and the lower part ofthe safety space into a first safety angle and a second safety angle, wherein the upper combination door forms a compression support to the first safety angle, and the lower combination door forms acompression support to the second safety angle; A locking mechanism is provided to fix the positions of the two expansion structures, and when the expansion structures are in an expanded state, the inner space of the first safety angle and the second safety angle is greatly increased, so that an insider obtains enough space.

The invention discloses an automatic book thread stitching system. A machine needle of a machine needle system is connected with a crank-link mechanism. The crank-link mechanism is connected with a driving shaft of a transmission system through a synchronous belt wheel a and a synchronous belt wheel b. A coil stitching system is connected with the driving shaft of the transmission system through a gear d. A book moving system is connected with the coil stitching system through a gear e. The book moving system is provided with an incomplete tooth gear and a flat groove cylinder cam. The incomplete tooth gear is engaged with a rack of a movable platform. The flat groove cylinder cam is connected with a push rod of the movable platform. The rack is controlled to intermittently linearly move front and back through the incomplete tooth gear, and longitudinal intermittent linear movement of a book on the movable platform is achieved. The push rod is controlled by the flat groove cylinder cam to intermittently transversely move left and right, and intermittent reciprocating transverse movement of the movable platform and the book is achieved. The phenomenon of sheet scattering of the book is avoided, bookbinding is firm, errors are small, punching is perpendicular, bookbinding is tidy, and thread-bound book bookbinding can be automatically finished; and efficiency is improved, and the book yield is high.

The invention provides an elevator maintenance bottom pit supporting device. The elevator maintenance bottom pit supporting device comprises a supporting column, a cavity, an air pressure device, a main supporting device and auxiliary supporting devices; the supporting column is vertically arranged in an elevator bottom pit and internally provided with the cavity; the air pressure device is fixedto the bottom of the interior of the cavity; the main supporting device is arranged on the upper portion of the interior of the cavity, and the bottom of the supporting device is fixedly connected with the upper end of an output shaft of the air pressure device; the two opposite side walls of the supporting column are provided with the auxiliary supporting devices; and the main supporting device is in transmission connection with the auxiliary supporting devices. The elevator maintenance bottom pit supporting device further comprises a transmission device, a controller, an infrared distance measuring sensor and a speed sensor, wherein, the transmission device is arranged between the main supporting device and the auxiliary supporting devices, the infrared distance measuring sensor is arranged at the top end of the supporting column, the speed sensor is arranged on an elevator car, the infrared distance measuring sensor and the speed sensor are in communication connection with a controller, and the controller is in signal connection with the air pressure device. The elevator maintenance bottom pit supporting device is ingenious in structural design, high in supporting stability andintelligent degree and capable of providing a safe maintenance environment for maintenance personnel.