30results about How to "Shorten the lifting stroke" patented technology

A device for installing parts, which can improve production efficiency by reducing the movement time of nozzles, the device includes a nozzle lifting device and a control device for controlling the movement position and movement timing of the nozzle movement device, wherein the control The device stores the position and height of the obstacle between the component feeder and the circuit board, and after the electronic component is photographed by the component camera, lowers the nozzle while it has passed the obstacle, or enables the nozzle to avoid the obstacle The route movement of the object. In the component mounting area, the nozzle is moved at the movement height in the component mounting area, and when the component is mounted, the nozzle is lowered from the movement height in the component mounting area. Therefore, the lifting stroke of the nozzle (5) can be reduced. Furthermore, the lifting of the nozzle is performed in an arcuate course.

The invention provides a window glass lifter, a window glass lifting mechanism and a vehicle. The window glass lifting mechanism comprises a guide slide rail, a window glass bracket slider, a pull wire and a driving mechanism, the window glass bracket slider is used for driving widow glass to ascend and descend along the guide slide rail, is arranged on the slide rail and is capable of moving along the guide slide rail, the pull wire is used for pulling the window glass bracket slider to reciprocate along the guide slide rail and is fixedly connected with the window glass bracket slider, the driving mechanism is used for providing power for movement of the pull wire and is connected with the pull wire, and the guide slide rail is an arc-shaped guide slide rail which is capable of guiding the window glass bracket slider to reciprocate along an arc-shaped track so as to drive the window glass to ascend and descend along the arc-shaped track. The guide slide rail is arranged as the arc-shaped guide slide rail to guide the window glass bracket slider to move along the arc-shaped track and further drive the window glass to move along the arc-shaped track, so that the window glass is large in lifting stroke on one side and small in lifting stroke on the other side, and further the descending stroke of the window glass and particularly corner-less window glass can meet requirements.

The invention discloses an RH vacuum tank building device. The RH vacuum tank building device comprises a building trolley, wherein the building trolley comprises a frame; the frame is a three-layer steel structure frame; a lifting mechanism is fixed on the top layer, and a lifting platform is hung on the lifting mechanism; the lifting mechanism is electrically connected with a lifting controller and is controlled by the lifting controller; a mobile controller and a driving mechanism are installed on the bottom layer of the frame; the driving mechanism is electrically connected with the mobile controller and is controlled by the mobile controller; a straight ladder is arranged between the middle layer and the bottom layer of the frame. The driving mechanism is controlled by the mobile controller, so that the building trolley is horizontally moved to the building position; the lifting mechanism is controlled by the lifting controller for providing power to the lifting platform, and then the lifting mechanism is declined from the upper tank to the tank body and the worker can enter the tank; when the lifting platform reaches the position near the bottom part of the lower tank, a cover plate trolley is moved away, and the worker descends to the bottom part of the lower tank to build through an opened manhole. The tank body placing position and the work plane height are reduced and the lifting route of the building platform is shortened. The RH vacuum tank building device has the characteristics of reliable lifting and convenient and safe operation.

The invention provides a liftable display system which comprises a shell (10), a display device (30), a first turnover mechanism and a second turnover mechanism, wherein the shell is provided with two turnover doors (11, 13) opposite to each other; the display device (30) comprises a displayer, a controller and a memory; the first turnover mechanism is in drive connection with the two turnover doors (11, 13), so that the two turnover doors (11, 13) can be in an opening state and a closing state; and the second turnover mechanism is in drive connection with the display device (30), so that thedisplay device (30) can be in a lifting state outside the shell (10) and in a recovery state in the shell (10). The liftable display system provided by the invention has the advantages of small occupied space, and short opening or closing time.

The invention relates to the field of metallurgy and specifically relates to a die casting pit design of a vehicle-mounted die casting steel pouring system. The die casting pit design comprises the following steps: arranging A and B two die casting steel pouring pit production lines, wherein the two die casting steel pouring pit production lines are arranged in two different spans respectively, the bottom portion and the inner walls of each die casting pit are respectively paved with a layer of refractory bricks, and a refractory drying room for casting is arranged between the two die casting lines; according to the height of different ingot types of steel ingot dies and use ratio in production, designing the A span to be a two-stage die casting pit, and designing the B span to be a three-stage die casting pit; and putting one-position, two-position, six-position and eight-position four kinds of chassis in the die casting pits according to the corresponding ingot types. According to the design, die casting steel pouring vehicle lift stroke, height change of different ingot types of ingot dies, production power demand information and chassis change characteristics are taken into full consideration, a step-type die casting pit design is adopted, and thus demand for different ingot types and different product die casting production is met by adopting die casting pits with different depths, adjusting the number of central casting pipe bases and improving steel ladle height.

The invention relates to a horizontal type plate freezer. The horizontal type plate freezer comprises a basic part, freezing plates, a lifting device, a top plate, a bottom plate, freezing layers and contour blocks and refrigerant hoses, wherein the freezing plates are arranged in a laminated mode, the freezing plates and the lifting device of the freezing plates are located above the basic part, the top plate is located above the freezing plate at the top layer, the bottom plate is located below the freezing plate at the bottom layer, the freezing layers are arranged between the adjacent freezing plates, the contour blocks are arranged at the two edges of the freezing layers, and the refrigerant hoses are arranged on the freezing plates respectively and are connected with a refrigerant inlet collection pipe and a refrigerant outlet collection pipe; latch pillars are arranged at the two sides of the laminated freezing plates and are fixedly connected with the basic part, the positions, corresponding to all the freezing layers, of each latch pillar are provided with movable latches which are movably connected with the corresponding latch pillar, and the movable latches are driven by movable latch driving devices. Each movable latch bears the weight of the corresponding freezing plate and frozen articles above the movable latch, so the space between every two adjacent freezing plates is increased to facilitate material feeding and discharging operations, the frozen articles on the freezing layers of the rest freezing plates are still in a normal frozen state, and therefore the horizontal type plate freezer is high in efficiency.

The invention relates to a material gathering unit, which comprises a charging basket (9) and a briar dressing device; wherein, the charging basket (9) has one or more, each charging basket is provided with a cone-shaped collection port (18) which runs through two lateral surfaces of the whole charging basket, one end table-board of one of two wings of the collection port is a material receiving sloping bench (14) which inclines toward the centre of the collection port; the briar dressing device comprises a bracket arm seat (13) on a lateral wall (24) and a fixed bearing (10), an L-shaped bracket arm (12) and a hydraulic cylinder (11) which are rotatably connected together; wherein, the bracket arm seat on the lateral wall is arranged on one wing with the material receiving sloping bench (14) and corresponding to the internal inclined plane (22) of the collection port (18), the L-shaped bracket arm (12) and the hydraulic cylinder (11) are respectively rotatably connected with the bracket arm seat (13) and the fixed bearing (10), the charging basket (9) is also provided with a blanking cushioning device and an elevator mechanism. The material gathering unit is simple and flexible to be operated, has small shaking and low noise, thus improving workshop environment.

The invention provides a stage performance elevation stand dance practice anti-tumbling training device. The stage performance elevation stand dance practice anti-tumbling training device comprises ananti-tumbling cover, anti-tumbling cover supporting frames and an elevation mechanism; the center of a training base table is provided with a round groove, and the elevation mechanism is fixedly installed at the bottom of the inner side of the groove through bolts; an elevation practice stand is fixedly arranged on the top side of the elevation mechanism; and eight recording camera structures arearranged at equal intervals on the base table of the bottom side at the periphery of the training base table, and the focus points of the recording cameras are all at the position of the elevation practice stand. The anti-tumbling cover supporting frames of the stage performance elevation stand dance practice anti-tumbling training device are designed to be an arc-shaped frames, a bottom side endhead is rotatably fixed to the outer wall of the elevation practice stand through a rotary shaft, rotatable installation is beneficial for the anti-tumbling cover supporting frames to be freely opened and closed according to elevation, the arc-shaped structural design is beneficial for the anti-tumbling cover to be spaced from the anti-tumbling cover supporting frames at a certain distance, and thus the situation that someone falls down and is in touch with the anti-tumbling cover supporting frame to cause unnecessary damage is avoided.

The invention provides an elevator. A suspension length of a control cable is relative small relative to a lifting stroke. The elevator comprises a control cable, wherein one end of the control cable is connected with a lift well and another end is connected with an elevator car. In the elevator, the middle part of the control cable is supported by a movable lifting device and the movable lifting device lifts respective with the lifting of the elevator car in the lift well and the lifting distance of the movable lifting device is shorter than the moving distance of the elevator car. The movable lifting device comprises: a movable lifting rack connected with the control cable; a guide rail supporting the movable lifting rack to life in the lift well; and a driving device for making the movable lifting rack move along the guide rail. The lifting length of the control cable is reduced relative to the stroke of the elevator car.

The invention discloses a fixed beam type tire forming vulcanizer. In the invention, a beam is fixed in motionless; only the short-offset vertical lift is carried out; a lower vulcanizing chamber and a central mechanism are removed out of a base by a translation mechanism; the internal pipeline and the external pipeline of the central mechanism are movably connected; the base adopts a segregated structure; and a transmission gear adopts the simple assembly-and-disassembly structure. The novel structure of the invention can also realize all the functions of the traditional vulcanizer, in addition, the overall structure is simpler and more reliable, and the processing, installation and maintenance are convenient.