13results about How to "Increased vertical stability" patented technology

The invention discloses a desert greening planting structure and a planting method. The planting structure comprises a device body, a plurality of fixing rods are arranged on the inner wall of the device body, moving wheels are arranged on the outer walls of the fixing rods, a plurality of adjusting rods are arranged at the edge of the top of the device body, a top plate is arranged at the tops of the fixing ends of the adjusting rods, a servo motor is arranged in the center of the top plate, and an electric telescopic rod is fixedly installed in the center of the bottom of the top plate. By means of the device, planting pits can be rapidly excavated in the desertification area, manpower is saved, the planting efficiency is improved, meanwhile, the inner walls of the holes drilled in the desertification soil layer are rotationally supported through the broken-line-shaped friction plates and the arc-shaped plates, the phenomenon that loose sand layers in the inner walls of the holes collapse downwards in the drilling process is avoided, and the drilling efficiency is improved. The situation that the survival rate is reduced due to the fact that the burying depth of the green plant seeds is too small is prevented, the contact area of the conical drill bit and the pit hole can be enlarged through the broken-line-shaped friction plate and the arc-shaped plate, the vertical stability of drilling is enhanced, and deviation is prevented.

This invention discloses an integrated multi-nozzle air-assisted 3D printing nozzle, comprising an upper horizontal plate, a lower horizontal plate, m material feed cylinders, and a heating element, where m is 3-100. The upper horizontal plate is located above the lower horizontal plate, and the two together form an air chamber. An air inlet is provided on the air chamber. The top wall of the air chamber has m material feed cylinder channels, and the bottom wall has m gas channels. The m material feed cylinder channels and m gas channels are all vertically arranged and simultaneously connected to the air chamber. The m material feed cylinders are vertically arranged, and each material feed cylinder has a discharge port at its lower end. The m material feed cylinder channels, m gas channels, and m material feed cylinders correspond one-to-one. The top of the i-th material feed cylinder is located within and sealed to the i-th material feed cylinder channel, and its bottom is located within the i-th gas channel, with a gap between them for gas passage, i = 1, 2, ..., m. This invention has a simple structure and effectively solves the problems of existing technologies that cannot achieve multi-nozzle printing and simultaneous air-assisted 3D printing of multiple materials and colors.

The utility model discloses a shielding anti-radiation ultra-thick plate wall hole-reserving prefabricated steel box, and particularly relates to the technical field of concrete structure prefabrication, the shielding anti-radiation ultra-thick plate wall hole-reserving prefabricated steel box mainly comprises a shielding ultra-thick steel box, a guide frame and a linkage screw rod, the guide frame is located at the bottom end of the shielding ultra-thick steel box and fixedly connected with the shielding ultra-thick steel box, and the linkage screw rod is rotatably installed on the inner wall of the guide frame; a butt joint limiting mechanism is arranged on the outer wall of the linkage screw rod; the butt joint limiting mechanism comprises a sleeve block arranged on the outer wall of the linkage screw, and the bottom end of the guide frame is fixedly connected with a gear motor used for driving the linkage screw to rotate. The butt joint limiting mechanism is adopted to start the gear motor to drive the linkage screw rod to rotate, the linkage screw rod drives the sleeve block to move upwards under the action of thread transmission force, the sleeve connection sliding plate enables the embedded strip to move upwards, the embedded strip is inserted into the butt joint groove, and two openings of the shielding super-thick steel box are locked and plugged. And two opening positions of the shielding super-thick steel box are firmly blocked.

The invention discloses a multi-layer wave dissipating device capable of adjusting wave dissipating capacity. The device comprises a plurality of layers of wave dissipating devices; each wave dissipation device comprises a manger board, a winding drum and a fixing pile. The winding drum is installed at the top end of the fixing pile, one end of the manger board is connected with the winding drum, and the manger board can be rolled up or unfolded through rotation of the winding drum. By means of the design, the wave dissipating device can adjust the wave dissipating capacity according to actual requirements, and the wave dissipating device is suitable for wave protection requirements under different sea conditions. The multi-layer wave dissipation device is simple in structure, each layer of wave dissipation device is relatively independent and easy to assemble and replace, the construction cost is effectively reduced, and the multi-layer wave dissipation device has good economic benefits.

The utility model discloses a high-precision 3D printer stable in printing, and particularly relates to the technical field of 3D printing, the high-precision 3D printer mainly comprises a supporting plate, one side of the supporting plate is connected with a gear motor, and a stable linkage assembly is installed above the gear motor; the stable linkage assembly comprises a driving motor installed above the gear motor, and the output end of the driving motor is in coaxial transmission connection with a transmission screw. The outer wall of the transmission screw is in threaded connection with a sleeving block, and a linkage plate is welded to one side of the sleeving block. The stable linkage assembly and the gear motor drive the linkage screw rod to rotate, the linkage screw rod drives the sleeving sliding block to move leftwards under the action of threads, the sleeving block and the sleeving sliding block synchronously drive the linkage plate to move, through double-thread meshing transmission of the sleeving block and the sleeving sliding block, it is ensured that the printing head is prevented from shaking when moving, and the printing efficiency is improved. And high-precision 3D printing is stably realized.

The utility model discloses a hydraulic jacking old and dilapidated house integral deviation rectifying device, which belongs to the technical field of house deviation rectifying, and comprises a hydraulic jack body, the top of the hydraulic jack body is fixedly connected with a deviation rectifying mechanism, and the rear side of the deviation rectifying mechanism is welded with a reinforcing mechanism. A supporting plate in the deviation rectifying mechanism is fixed to the top of a hydraulic jack body to provide a stable bearing plane, supporting columns are arranged at the chamfers of the top of the supporting plate and matched with a deviation preventing plate at the top, lateral displacement of a house can be effectively limited, meanwhile, the supporting columns at the bottom of a bottom bearing plate are connected with a connecting plate, the vertical stability of the whole structure is enhanced, and the service life of the whole structure is prolonged. The reliability and durability of the device are further enhanced through the arrangement of the reinforcing mechanism, the connecting plate and the reinforcing rod net are welded to the rear side of the deviation rectifying mechanism, a stable triangular mechanical structure is formed, stress in the jacking process is dispersed, key parts are prevented from being damaged due to concentrated stress, and the connecting pipe and the nail entering pipe are designed to be communicated.

The invention relates to a pile foundation drill core detection auxiliary device which comprises a mounting disc, an adjusting and limiting mechanism, a supporting mechanism and a clamping and adapting mechanism. Through the arrangement of the adjusting and limiting mechanism, a drill pipe can be limited in a sleeving manner after the mounting disc is mounted or is directly located at a required position; therefore, perpendicularity core drilling sampling operation is completed in a pre-positioning mode before core drilling sampling, the center position of a pile foundation is found in advance, then the drill pipe is limited by adjusting the limiting mechanism, an adjustable two-point positioning mode is adopted, it is guaranteed that deviation does not occur during core drilling sampling, and perpendicularity during core drilling sampling is improved; the drilling pipe is limited at the positioning position of a pile foundation through cooperation of the mounting disc and the positioning pipe, then the drilling pipe is limited through the inner moving cylinder in the drilling process, two-point vertical limiting drilling is achieved, then the effect of three-point vertical drilling is achieved in cooperation with limitation of a drilling hole, and the vertical stability during core sample drilling can be improved.

The utility model relates to grape transportation box technical field, and disclose a grape transportation box with fresh -keeping function, including the bearing box, the bearing box is rectangular frame, the inside lower position of bearing box is provided with detachable support plate, the upper side of support plate is equidistant and is provided with a plurality of hexagonal through slot, the upper side of support plate is provided with a plurality of mounting cavities, and the inside of mounting cavity all has the heat preservation foam of clamping, in the utility model, the protection shell is equipped with in bearing box outside, constitutes the second heat preservation layer, and its airtight structure further enhances the overall heat insulation effect, and the synergistic effect of double heat preservation design greatly prolongs the maintenance time of low temperature environment, ensures that grape is in stable suitable low temperature high humidity environment in the transportation way. Meanwhile, the rigid material of support plate and protection shell strengthens the compressive strength of box body together, prevents the grape breakage caused by the extrusion of upper layer box body when stacking, solves the pain point that traditional packaging is easy to deform, and the short service life of heat preservation.

The utility model discloses a kind of perpendicularity detection devices of transmission shaft, it is related to transmission shaft detection technical field, including first mounting bracket, adjusting mechanism is installed in first mounting bracket inside, the utility model, through the cooperation track structure of three positioning blocks of annular arrangement, realize the multi-point synchronous locking and positioning of transmission shaft, positioning block is evenly distributed in track inside, track is rotated by external handle driving gear system, in the process of rotation, cam groove structure inside track guides positioning block to contract along radial direction synchronously, complete transmission shaft equidistant surrounding type lateral locking, effectively prevent shaking and skew, ensure detection accuracy and repeatability, simultaneously, by the pre-tightening force of spring extruding block and lifting rod down pressure, carry out constant pressure to transmission shaft top, to further improve vertical stability, realize all-around stable positioning and locking in three-dimensional direction, guarantee the stability and reliability in detection process.

The utility model relates to a pay-off support combined on site. The pay-off support comprises a support body and a rotating pipe. The frame body is provided with a lifting block for vertically lifting and a jack for driving the lifting block; the frame body comprises a top frame and a bottom frame; the top frame comprises a door-shaped frame and a lifting cross arm; the bottom ends of the two feet of the door-shaped frame are provided with a plurality of first pin holes which are vertically distributed. A horizontal fixed cross arm is arranged in the middle of the door-shaped frame; the jack is mounted on the fixed cross arm; the output end of the jack is fixedly connected with the bottom of the lifting cross arm; the lifting block is fixed at the top of the lifting cross arm; two ends of the lifting cross arm are in vertical sliding fit with two feet of the door-shaped frame; the bottom frame comprises two vertical pipes; two feet of the door-shaped frame are inserted into the vertical pipes; a pin hole B corresponding to the pin hole A is formed in the top end of the vertical pipe; the pin shaft penetrates through the second pin hole and the first pin hole. The frame body can be split into the top frame and the bottom frame, so that the transfer is convenient; and then the top frame and the bottom frame are assembled on site, and cable pay-off is carried out. The cable pay-off device can pay off cables at the top of a high-rise building.

The utility model discloses a pole piece gap measuring instrument device in the technical field of battery manufacturing and detection, which comprises a fixing frame, the top surface of a base and the top surface of a base are at the same plane height, the horizontal plane of the transmitting end of a laser displacement sensor and the bottom surface of a pressure plate are at the same level, and a bidirectional threaded rod is rotatably connected in a chute. One end of the two-way threaded rod rotatably extends to the outer end of the base, the two ends of the surface of the two-way threaded rod are rotatably sleeved with sliding rods in a threaded mode respectively, and the sliding rods are arranged in the sliding grooves in a sliding mode. And finally, data is displayed by observing the distance between the transmitting end of the laser displacement sensor and the surface of the base, namely measurement data of the battery pole piece gap, so that the measurement accuracy of the pole piece gap is improved.

The invention relates to the field of locomotives, and discloses a grab rail assembly for a locomotive and a locomotive side suspension module, and the grab rail assembly comprises a plurality of grab rail units arranged in the longitudinal direction; each connecting unit is detachably connected between every two adjacent grab rail units; wherein the grab rail unit is of a frame structure formed by welding and is provided with a plurality of vertical rods, a plurality of mounting holes which are arranged at intervals in the vertical direction are formed in the lower areas of the vertical rods, and the mounting holes are used for being matched with fasteners to mount the vertical rods on an external supporting structure. The reliability and stability of the grab rail assembly can be improved, the dismounting and mounting workload can be reduced, and the dismounting and mounting efficiency is improved.

The invention discloses an ultra-long-distance submarine cable laying device and method, and relates to the technical field of submarine cable laying, the ultra-long-distance submarine cable laying device comprises a base, the bottom of the base is connected with anchoring supporting legs, the upper part of the base is connected with a submarine cable clamping mechanism used for clamping a submarine cable, and the submarine cable clamping mechanism is connected with a sliding block; the sliding block is slidably connected with a sliding rod parallel to the axis of the submarine cable, the base is assembled and connected with a counter-force frame at the rear end of the sliding rod, the counter-force frame is connected with a hydraulic push rod, the output end of the hydraulic push rod is connected with the submarine cable clamping mechanism, and the submarine cable clamping mechanism is driven by the hydraulic push rod to do linear reciprocating motion along the sliding rod; the submarine cable clamping mechanism is used for clamping the submarine cable in the pushing construction process, and then continuous and uniform axial pushing force is applied to the submarine cable through the hydraulic push rod and forms a forward pulling-backward pushing synergistic effect with land side dragging force; the risks of cable stretching, armored layer offset, insulating layer damage and the like caused by too large dragging force are effectively relieved.