31results about How to "Prevent back slip" patented technology

The invention relates to a vertical circulating type bicycle parking device and belongs to the technical field of bicycle parking. The vertical circulating type bicycle parking device comprises a frame and a bicycle rack group and is characterized in that a chain positioning rail is vertically arranged and connected with the inner wall of the first lateral wall of the frame, a first sprocket is arranged in semi-sealed circular hole in the upper portion of the chain positioning rail, a second sprocket is arranged in a semi-sealed circular hole in the lower portion of the chain positioning rail,the first sprocket and the second sprocket are connected with a chain, one side, away from the first lateral wall of the frame, of the chain positioning rail is provided with a semi-sealed rail, thesemi-sealed rail is parallel with the chain positioning rail, and identical first sprocket, second sprocket, chain, chain positioning rail and semi-sealed rail are symmetrically arranged on the innerwall of the lateral wall, opposite to the first lateral wall, of the frame. The vertical circulating type bicycle parking device has the advantages that the device combines intelligent control and themechanical device, double-access bicycle parking and taking is achieved, and high space utilization rate and use safety are achieved.

The present invention relates to a sunken vessel salvage hydraulic lifting and semi-active heave compensation simulation test platform which is used to simulate synchronous lifting of double barges. Asunken vessel lifting system is provided with compensation lifting mechanisms and lifting mechanisms, and the compensation lifting mechanisms are the same as the lifting mechanisms in quantity to facilitate a contrast experiment; each two-degree-of-freedom simulation motion platform is provided with two power oil cylinders and one stand column, the two power oil cylinders and the stand column aredistributed in an isosceles triangle shape to simulate rolling and pitching of barges in sea waves and to be closer to a real salvage condition; the lifting mechanisms are provided with unidirectional locking mechanisms to lock unidirectional sliding of steel wire ropes so as to prevent the steel wire ropes from sliding back in the lifting process, prevent the steel wire ropes from winding through adoption of a take-up device and guarantee the test safety; and a sunken vessel simulation caisson is of a mesh-type cavity structure, modularization counter weights can be put in the mesh-type cavity to facilitate regulation of a tonnage, and the sunken vessel simulation caisson is put at a real water area to accord with the real sunken vessel state.

The invention discloses a pneumatic cervical vertebra tractor which comprises a shoulder pad, two pneumatic supports, a jaw belt and a pillow belt. The shoulder pads can be placed on two shoulders of a user, the rear portion in the middle of the shoulder pad is provided with a groove matched with the rear portion of the human neck, and an arc rear neck baffle matched with physiological proneness of cervical vertebra is arranged at the edge portion of the groove on the should pad. The two pneumatic supports are respectively arranged on the shoulder pad, a piston rod is arranged in each pneumatic support which is connected with a pumping device through a support air hole at the lower portion of the each pneumatic support, the space at the lower portion of the piston rod is communicated with the air hole, and the top end of the piston rod extends out of the top of the pneumatic support. Two ends of the jaw belt and the pillow belt are respectively connected with top ends of the two piston rods, and a transverse air bag is arranged in the middle portion of the rear neck baffle. The pneumatic cervical vertebra tractor is simple in structure, stable, attractive in appearance and convenient to carry, can push the cervical vertebra forwards by aerating the air bag, and is matched with the jaw belt and the pillow belt to perform vertical traction on the cervical vertebra so as to recover normal physiological proneness of the human cervical vertebra.

The invention discloses a reciprocating type hair cutting device. The hair cutting device comprises strip-shaped static blades and movable blades which can move in a reciprocating mode below the static blades; the strip-shaped static blades are provided with two or more rows of beard inlet grooves distributed in the length direction, and every two rows of the beard inlet grooves do not communicatewith each other; and the beard inlet grooves are provided with large openings at long edges of the static blades, each beard inlet groove is opened and extended towards the long edge end of the static blade, namely the large opening is formed in position, on the long edge end of the static blade, of each beard inlet groove, and the parts located on the inner sides of the large openings of the beard inlet grooves are provided with shrinkage neck parts. According to the hair cutting device, various forms of hairs, especially long beards and tendrils, can easily enter a cutting edge part, so that the hairs are effectively prevented from sliding back from the cutting edge part, and the hairs in the various forms enter the cutting edge part and are cut off; and due to the fact that every two rows of the beard inlet grooves do not communicate with each other, after the hairs enter the beard inlet grooves, the problem of pain generated in the using process due to the fact that the static blades and the movable blades interact and cause the hairs to be pulled or clamped when the hairs which are not cut off enter communicating adjacent rows is solved.

The invention discloses a discharging mechanism of a horizontal metal filing briquetting machine. The discharging mechanism comprises a pushing head, a discharging groove and a receiving hopper. The discharging groove is located in the lower middle portion of the horizontal metal filing briquetting machine, one end of the discharging groove is a receiving end, the other end of the discharging groove is a discharging end, the receiving end is located under a discharging port of the horizontal metal filing briquetting machine, and the discharging end extends to the outer side of the horizontal metal filing briquetting machine. The receiving hopper is arranged at the receiving end of the discharging groove, and a top inlet of the receiving hopper extends upwards to a discharging opening of the horizontal metal filing briquetting machine. The pushing head comprises a vertical connecting plate and a transverse pushing head, the top of the vertical connecting plate is fixed to a moving die of the horizontal metal filing briquetting machine, and the head end of the transverse pushing head can be driven by the moving die to move back and forth at the receiving end of the discharging groove. Pressing blocks falling to the receiving end of the discharging groove from the discharging opening of the horizontal metal filing briquetting machine are pushed towards the discharging end of the discharging groove one by one, and stable and safe ladle discharging is achieved.

The invention discloses a sliding and rolling wire hanging rope belt for emergency dance stopping, which comprises two frames, a plurality of connecting rods are arranged between the two frames, a plurality of rolling bodies are connected in series on the connecting rods, and the rolling bodies on each connecting rod and the rolling bodies on the adjacent connecting rod are arranged in a staggered manner. Sliding friction between the inhaul cable and the wire is changed into rolling friction, and the contact area between the inhaul cable and the wire is increased, so that the abrasion risk is reduced, and the construction efficiency is improved.

The invention discloses a file storage folder for guaranteeing a power supply system of a large blast furnace and a using method thereof.The file storage folder for guaranteeing the power supply system of the large blast furnace comprises a storage box, one end of the top of the storage box is rotationally connected with a cover plate, and a solar cell panel is fixedly installed at the top of the cover plate; the beneficial effects of the invention are that the rechargeable battery can be charged in the sun through the solar cell panel, and the rechargeable battery can supply power to the LED light bar to enable the LED light bar to illuminate at night, so that a worker can better observe a file at night; the solar cell panel can be better protected through the protection assembly, the solar cell panel is prevented from being contaminated by dust to affect performance when the storage box is used for storage, the storage box can be kept sealed through the sealing assembly, and dust or files are prevented from being affected with damp when the storage box is used for storage.

The invention relates to the technical field of display devices, in particular to a teaching display device which comprises a table plate, a folding structure is mounted on the bottom side of the table plate, a fixing structure is arranged on the inner side of the folding structure, a disassembling structure is connected between the folding structure and the fixing structure, and a display structure is arranged on the bottom side of the table plate. A positioning structure is arranged on the inner side of the display structure, a stabilizing structure is arranged on one side of the folding structure, a moving structure is arranged on the bottom side of the folding structure, the device can be switched between a whiteboard and a table through the folding structure, and the device can be fixed in a display state through the fixing structure; the device can be folded and unfolded through the disassembling structure, the display function can be achieved through the display structure, drawing tools can be conveniently stored and taken, the storage box can be fixed through the positioning structure, the device can be conveniently folded through the positioning structure, and the whole device can be moved or fixed through the moving structure.

The invention discloses an anti-backward-slip device of a wind driven generator. The anti-backward-slip device comprises a right-angled triangular frame, wherein a transverse groove is formed outside an acute angle of the triangle; and a transverse plate with a baffle plate I at one end is arranged at another acute angle of the triangle. The baffle plate is provided with a threaded hole; a bolt is arranged in the threaded hole in a penetrating manner; a baffle plate II is arranged on the part of the bolt in contact with the generator; the size of the transverse groove is matched with the size of a cross beam of a bottom frame of the generator; and the transverse groove is clamped on the cross beam of the bottom frame of the generator. The invention also discloses a use method. By using the anti-backward-slip device, the labor time is shortened, the number of employees and operation personnel is reduced, the labor efficiency is increased and the production cost is reduced.

The invention relates to a luggage handling device, which comprises a base plate, a supporting column is arranged on the base plate, a group of vertical lifting rods are arranged on the base plate, and a bearing plate is fixedly installed at the upper ends of the lifting rods; a transmission rod is installed at the lower part of the bearing plate, and the transmission rod is in axis joint with a driving rod through a rotating shaft; the driving rod is provided with an adjusting sliding groove extending in the rod axis direction, and a supporting shaft is slidably arranged in the adjusting sliding groove, and both ends of the supporting shaft are exposed from the adjusting sliding groove and fixedly connected with the supporting column; a pair of limiting ring pieces are also sleeved on thesupporting shaft, the limiting ring pieces are close to the rod wall of the driving rod, and under the restriction of the limiting ring pieces, the supporting shaft and the limiting ring pieces can only reciprocate and translate along the adjusting sliding groove. The luggage handling device has a novel structure and is convenient to operate, can assist users in easily handling the luggage, lightens the moving burden, ensures the stability and safety of the luggage, and improves the moving efficiency.

The invention relates to a wheel suspension for a vehicle, comprising a wheel carrier (2) rotatably supporting the wheel and pivotally mounted on a torsionally rigid transverse control arm (3), Said lateral control arm (3) is provided with two control arm bearings (4, 5) for pivotal mounting on the vehicle superstructure and with two control arm bearings (4, 5) for pivotal mounting on the wheel carrier (2). Two control arms (6, 7) on the wheel carrier side, wherein the front control arm bearing (6) on the wheel carrier side in the direction of travel of the vehicle is formed as a movable bearing (6), and the movable bearing ( 6) The force can be transmitted in one of three spatial directions (X, Y, Z), wherein the spatial direction in which the movable bearing (6) can transmit the force corresponds to the direction parallel to the vertical axis of the vehicle.