96results about How to "Large height adjustment range" patented technology

The invention relates to a carton sealing machine, in particular to a carton sealing machine with a carton pressing mechanism. The carton sealing machine with the carton pressing mechanism is used for sealing cartons and comprises a machine seat, an upper machine core, a cover folding mechanism and two conveyors, wherein the upper machine core is arranged on the machine seat and is used for adhering and sealing an upper cover of the carton, the cover folding mechanism is arranged at the front part of the machine seat and is used for folding the upper cover of the carton, and the two conveyors are used for forming a carton conveyance channel; the conveyors are arranged on the machine seat in a sliding manner, the sliding directions of the conveyors are vertical to the conveyance direction of the carton; and the carton sealing machine further comprises vertical columns and side press wheels, wherein the vertical columns are respectively and fixedly arranged on the two conveyors, the side press wheels are used for pressing down the upper part of side boards of the carton and are arranged on the vertical columns in the sliding manner. The invention aims at providing the carton sealing machine with the carton pressing mechanism, which has a simple structure and is convenient to install.

The invention relates to a self-moving type termination point hydraulic support based on a parallel mechanism and application of the termination point hydraulic support. The self-moving type termination point hydraulic support comprises a front hydraulic support body and a rear hydraulic support body, wherein the front hydraulic support body and the rear hydraulic support body are connected through a pushing jack, the front hydraulic support body comprises two parallel front bases, a base connecting rod, a front top beam and front standing columns, one sides of the two front bases are fixedly connected through the base connecting rod, the plurality of front standing columns are symmetrically disposed on the two front bases, and two ends of the front standing columns are respectively hinged to the front top beam and the front bases. The self-moving type termination point hydraulic support has the advantages that the front hydraulic support body adopts the parallel mechanism, the front top beam is allowed to have six freedom degrees and can reach any spatial positions, the front top beam can be well combined with a top plate, top plate completeness is maintained greatly, the support is large in support force and support face, good in support effect and capable of achieving integral self-moving through hydraulic drive, manual carrying is not needed, working strength is lowered greatly, and work efficiency is increased evidently.

The invention relates to a dismounting, mounting and transferring device for a transformer, and belongs to the technical field of mechanism transportation equipment for power equipment. The device comprises a rack, liftable supporting legs mounted on the rack, a horizontal sliding device arranged on the rack, and a lifting suspending device arranged on the horizontal sliding device; a lifting ring is arranged at the bottom part of the lifting suspending device. The device is stable in mechanical structure, and outstanding in weighting performance; the height of the supporting legs can be adjusted to adapt to different working environments; the lifting suspending device can lift the fixed transformer and then pushes the whole device to transfer.

The invention provides a height adjustment structure for a safety belt and the safety belt. The height adjustment structure comprises a sliding rail, a frame rack, locking blocks, locking block supporting columns, a locking block adjusting limit groove, locking teeth, a tooth-shaped rail, a spring limit column, a spring and a screw cap. The limit groove and a guide groove can both contain the locking blocks. When the locking block supporting columns are in the limit groove, the locking teeth are separated from the tooth-shaped rail, and the frame rack can move up and down along the sliding rail. When the locking block supporting columns are in the guide groove, the locking teeth are matched with the tooth-shaped rail, and the frame rack is static relative to the sliding rail. Due to the fact that the frame rack can move up and down along the sliding rail, one end of the safety belt can be connected with the frame rack, and the adjustment of the safety belt height can be achieved. The height adjustment range of the safety belt can be further satisfied according to actual need by designing the length of the sliding rail to satisfy requirements of people with different height. According to the safety belt with the height adjustment structure, the height adjustment range is wide, and the universality is better.

The invention discloses a liftable herringbone ladder, which comprises a fixed ladder, a transitional ladder and an elevator. A rotatable connection is formed between the upper end of the fixed ladder and the upper end of the transitional ladder, and a vertical sliding connection is formed between the elevator and the transitional ladder; Wherein, the fixed ladder and the transitional ladder can be opened and positioned to form a herringbone ladder or folded and positioned to form a straight ladder. The end protrudes from the bottom end of the transitional ladder. This technical solution has the following advantages: the elevator slides relative to the transitional ladder so that its top end protrudes from the transitional ladder top or/and its bottom end protrudes from the transitional ladder bottom, which can improve the entire herringbone ladder or one-character ladder. The height of the ladder can make the herringbone ladder suitable for various places even if the ground of the place is uneven or is a ladder, the ladder has a variety of adjustment functions for the elevator and the ladder height adjustment range is large.

The invention relates to a stepless lifting device for a scraper conveyor and belongs to the technical field of mine equipment. The stepless lifting device for the scraper conveyor comprises a base, a bearing platform, a hydraulic oil cylinder and two sets of oppositely-arranged work arm frames; the hydraulic oil cylinder is located between the base and the bearing platform; the top ends of the work arm frames are hinged to the bearing platform; the bottom ends of the work arm frames are hinged to the base; each work arm frame comprises a first work arm and a second work arm which are arranged in a shear fork type; each first work arm and the corresponding second worm arm are hinged through a hinged shaft; and the work arm frames are provided with the hydraulic oil cylinder used for controlling the work arm frames to ascend and descend. The work arm frames which are hinged in the shear fork type are adopted for the stepless lifting device for the scraper conveyor, the structure is simple and compact, and cost is low; because the hydraulic oil cylinder is in an oblique supporting type, the initial position height of the lifting device is substantially reduced, the height adjusting range is relatively increased substantially, the stepless adjustment of a machine head, a machine tail and a transition groove of the scraper conveyor within the height adjusting range is achieved, the labor intensity is lowered, the work efficiency is improved, and practicability is high.

The invention discloses a portable support frame for surveying and mapping. The support frame comprises a support seat, a tripod and an objective table, wherein the support seat comprises an inner support seat, an outer support seat and arc-shaped guide rails; the inner support seat and the outer support seat adopt annular structures which are concentric and are fixedly connected through multipleconnection rods, one end of each arc-shaped guide rail is connected with the inner support seat, the other end of each arc-shaped guide rail is connected with the outer support seat, the connection point A of each arc-shaped guide rail and the inner support seat and the connection point B of each arc-shaped guide rail and the outer support seat are located on different radial lines, three arc-shaped guide rails are uniformly arranged in the circumferential direction, and arc-shaped sliding chutes are formed in the upper end surfaces of the arc-shaped guide rails; the tripod comprises three telescopic rods, the lower ends of the telescopic rods are hinged with sliding rods, the sliding rods are in gliding fit with the arc-shaped sliding chutes, multiple blind holes are formed in the bottomsof the arc-shaped sliding chutes, and the lower end of the sliding rods are in inserting fit with the blind holes. By means of the eccentric arc-shaped guide rails, accurate fine adjustment of the height of the whole support device is realized, and the support seat is light in weight and convenient to carry.

The invention belongs to the technical field of three-dimensional scanners, and particularly relates to a three-dimensional optical scanner which comprises a scanner body, a telescopic supporting rod,a base, a mounting disc and a clamping device. A handle is arranged at the top of the scanner body; the bottom of the scanner body is fixedly mounted in the center of the upper surface of the mounting disc through a supporting rod; the mounting disc is fixedly mounted on the upper surface of the clamping disc through a clamping device; the clamping device comprises a threading sleeve, a fixing circular ring, a pull rope, a threaded column, a vertical screw, a clamping rod, a rectangular sliding groove and a connecting plate. The fixed circular ring is located on the outer edge of the clampingdisc, and the inner wall of the fixed circular ring is fixedly connected with the outer wall of the clamping disc through a connecting plate. According to the scanner, the clamping device clamps themounting disc fixedly connected with the scanner body on the clamping disc, disassembly and assembly of the scanner body and the clamping disc can be achieved through the clamping device, and the scanner body is prevented from colliding with solid hard objects such as a door frame in the carrying process.

The invention provides a bottom-cleaning-free self-moving roof protection system for a return airway of a fully mechanized coal mining face of a thin coal seam of a coal mine. The system comprises a conveyor tail supporting cushion frame part, a front roadway roof supporting part and a rear roadway supporting part, wherein the conveyor tail supporting cushion frame part comprises a bottom plate, at least two telescopic jacks, two guide plates, a supporting platform and a hydraulic system, the front roadway roof supporting part comprises a front hydraulic support, a front beam and a rear frame are arranged in front of and behind a top beam of the front hydraulic support respectively to cooperate with each other to support a roof, the front hydraulic support is connected with a front end of a bottom plate of a cushion frame by means of a first pushing jack and a first connector, a bottom cleaning mechanism is arranged at a front end of a base of the hydraulic support, the rear roadway supporting part comprises a shield type support, and a front portion of a base of the shield type support is connected with a rear end of the bottom plate of the cushion frame by means of a second pushing jack and a second connector. The system has the advantages of being large in height adjusting range, having self-moving capacity and obstacle removing capacity and being high in adaptability.

Described herein is a bike including a frame member linking the front and rear wheel(s) made up of a first forward section or sections extending from the front wheel(s) and a second rear section or sections extending from the rear wheel(s). The section endings mate about a lockable connection assembly that is also in communication with a seat-post connected to the seat. The frame sections pivot about a connection assembly axis in a direction perpendicular to the bike frame and the seat-post is able to be moved independent of the frame sections. A key advantage of the above bike is the high range of height adjustability allowing the bike to be used by range of different sized users. Height adjustment is also very easy and may be done toolessly. Further, maintaining the seat in a desired riding alignment independent of frame movement is important otherwise the rider position will change relative to the handlebars leading in extreme cases to falls from the bike. Use of gas assisted injection moulding in bike manufacture is also described.

The invention discloses a rail height adjusting method suitable for a rail with baffle parts, and belongs to the technical field of rail fasteners. By correspondingly arranging an under-rail cushion plate, an under-rail fine-adjustment cushion plate and first height adjusting cushion plates, preferably setting the sizes of all the cushion plates and selecting corresponding cushion plates in adjustment processes, steel rail height adjustment within the range of -4 mm to 22 mm is effectively achieved. The rail height adjusting method is implemented by adopting a fastener system comprising the under-rail cushion plate, the under-rail fine-adjustment cushion plate and the first height adjusting cushion plates and is simple in step and convenient to operate, the height of a steel rail on a railsleeper with the baffle parts is effectively adjusted, the adjustment process is simple, the reliability is high, the height adjustment range of the steel rail is wide, the flexibility of an adjustment scheme is high, the height adjusting requirements of the steel rail can be fully met, the accuracy and efficiency of steel rail height adjustment are improved, and thus the rail height adjusting method has good application prospects and high application and popularization value.

The invention relates to the technical field of dispensing, and in particular to a dispensing machine. The dispensing machine comprises a dispensing workbench, a carrying table, an image acquisition device, a dispensing needle head and a driving mechanism; the carrying table is arranged on the dispensing workbench, and is used for bearing a dispensing workpiece; the image acquisition device comprises a shooting device and an angle adjusting mechanism connected with the shooting device, and the shooting device is used for collecting pre-dispensing position information and actual dispensing position information of the dispensing workpiece, one end of the angle adjusting mechanism is connected with the shooting device, the other end of the angle adjusting mechanism is arranged on the carryingtable or the dispensing workbench, and the angle adjusting mechanism is used for adjusting the angle of the shooting device; the dispensing needle head is suitable for carrying out dispensing on thedispensing workpiece according to the pre-dispensing position information collected by the shooting device; and the driving mechanism is suitable for driving the dispensing needle head to move. The coordinate information of the pre-dispensing position collected by the dispensing machine is more accurate, so that the dispensing accuracy is improved.

The invention discloses a water-fertilizer-integrated and liftable micro-irrigation system. The water-fertilizer-integrated and liftable micro-irrigation system comprises a field head device, a pipeline network, a lifting device and micro-irrigation devices and is characterized in that the field head device comprises a water supply unit and a fertilizer filling unit which are connected; the pipeline network comprises a main water pipe, branch pipes connected with the main pipe and capillary pipes fixed on the branch pipes, the main pipe is communicated with the field head device, and the micro-irrigation devices are fixed at the tail ends of the capillary pipes; the lifting device comprises support rods and lifting mechanisms, the branch water pipes are arranged on the support rods, and each lifting mechanism comprises a fixing shaft, a drive device and winches fixed on the fixing shaft; each micro-irrigation device comprises a micro-nozzle and a bottom support and a retaining plate which are arranged at the bottom of the micro-nozzle. By the structure, the water-fertilizer-integrated and liftable micro-irrigation system has the advantages that irrigation heights can be regulated precisely, and the water-fertilizer-integrated and liftable micro-irrigation system is wide in height adjusting range, capable of increasing water and fertilizer utilization rate, wide in application range and wide in irrigation range.

The invention discloses an automatic solar panel cleaning device which comprises a roller brush shaft, a roller brush fixedly connected to the roller brush shaft and front and back mounting plates arranged oppositely, wherein the front and back ends of the roller brush shaft are rotatably arranged on the front and back mounting plates, separately, front and back clamping wheels are rotatably arranged on the lower sides of the front and back mounting plates, separately, the side walls of the front and back clamping wheels cling to the side surface of a solar panel, separately, front and back mobile wheels are rotatably arranged on opposite sides of the front and back mounting plates, separately, the side walls of the front and back mobile wheels cling to the top surface of the solar panel,separately, and the roller brush shaft and the front and back mobile wheels are driven by a driving device to rotate, separately. The automatic solar panel cleaning device can be mounted on the solarpanel quickly without a guide rail, so that the automatic solar panel cleaning device is more rapid and efficient.

The invention provides a galvanized steel sheet production and manufacturing machining machine and a machining method. The galvanized steel sheet production and manufacturing machining machine comprises a bottom plate, a conveying device, a grinding device and a clamping device. The conveying device is mounted at the upper end of the bottom plate, the grinding device is mounted on the conveying device, and the clamping device is mounted on the left side above the bottom plate. The problems that in methods for grinding round steel sheets in some small machining plants, mostly, grinding wheels are adopted for grinding the round steel sheets, or an angle grinder is manually held to grind the round steel plates, when the round steel sheets with large areas and large thicknesses are ground, thegrinding efficiency is low, the noise of the grinding wheels is high in the grinding process, the grinding wheels are easily broken and easily hurt people, and the personal safety of staff is threatened can be solved.

The invention relates to the technical field of geological survey auxiliary equipment, in particular to a profile measuring instrument platform stabilizing device for geological survey. A bearing c is arranged on a supporting platform, an adjusting sleeve is arranged in the bearing c, an internal thread is arranged in the adjusting sleeve, and a threaded column with an external thread is arranged at the bottom of a placing frame, so that the internal thread and the external thread are matched and connected. The threaded column can be screwed into the adjusting sleeve, the height of the threaded column is adjusted by rotating and turning the adjusting sleeve, meanwhile, the bottom of the adjusting sleeve is hollowed out, the threaded column can penetrate through the adjusting sleeve, the height adjustable range is enlarged, and fine adjustment of height adjustment is achieved through adjusting arrangement of a threaded structure; and threaded engagement enhances the stability.

The invention discloses an adjustable support of an outdoor movable floor laid on square or park surfaces, relating to the field of building and ornament materials. The adjustable support comprises a base and a connecting sleeve, wherein the inner wall of the base is provided with threads, the outer wall of the connecting sleeve is provided with threads, and the threads on the outer wall of the connecting sleeve are connected with the threads on the inner wall of the base. A tray is arranged on the top of the connecting sleeve, and an adjusting disk is connected with the tray. The lower surface of the adjusting disk and the upper surface of the tray are inclined surfaces with same tilt angles, and the adjusting disk can rotate relatively to the tray. The adjustable support has wide height adjusting range, adjustable levelness and locking function.