372results about How to "Easy to adjust height" patented technology

The invention discloses a pneumatic truss side rib bending forming mechanism which comprises a stand provided with a straight rail, a side rib traction mechanism, two sets of dome ejection rod mechanisms, a crank mechanism and a crank moving mechanism. The side rib traction mechanism is arranged at the left side of the stand and comprises a servo motor, a synchronous belt, a ball screw, a side rib traction cross beam, a side rib traction pressing cross beam, and a travel-adjustable cylinder and a side rib clamping device which are arranged on the side rib traction pressing cross beam. The dome ejection rod mechanisms are arranged at the lower side of a workbench surface in the side rib moving direction and comprise horizontally-arranged travel-adjustable cylinders and side rib clamping devices as well as vertically-arranged air cylinders and ejection rods. The invention has the advantages that the defects of the prior art are overcome, the production efficiency is higher, forming is regular, the truss side rib has no scratch, the bending pitch and the height of the truss side rib can be conveniently adjusted, thereby being applicable to the production of truss side rib bending wires with different pitches and heights.

The invention discloses a building construction pipeline end surface processing device capable of conveniently fixing different sizes. The building construction pipeline end surface processing devicecapable of conveniently fixing the different sizes comprises a bottom plate, a first telescopic rod is fixedly mounted on the upper surface of the left end of the bottom plate, a supporting plate is fixedly connected to the top end of the first telescopic rod, a first toothed disc is fixedly mounted at the right end of a handle, a rotary rod is movably connected into the upper end of the supporting plate, a movable barrel is connected to the middle of the rotary rod through bolts, a motor is fixedly connected to the upper end of a second telescopic rod, a second polishing block is fixedly mounted on the outer surface of a first polishing block, and third telescopic rods are connected to the outer surface of the right end of the rotary rod in an equal angle mode. According to the building construction pipeline end surface processing device capable of conveniently fixing the different sizes, polishing is comprehensive and uniform, the polishing degree and effect of an annular end surfacecan be controlled manually, a round supporting structure is arranged in a pipeline, the height and a clamping range of a pipeline clamping structure are convenient to adjust, and a device for integrally connecting sweeps is arranged.

A portable electronic apparatus, which has a simple structure and the performance of visual appearance thereof in an operation state with a display section being adjusted in the height and angle thereof is not decreased, and provides the same comfort as an ordinary TV set while viewing TV images or the like. A main unit (100), a lid section (200) containing a display unit (210) so as to cover the main unit, and a telescopic arm section (300) of which one end is rotatably pivoted in the rear end portion of the main unit, and the other end thereof is rotatably pivoted in the rear portion of the lid section (200) are provided. The main unit (100) of the portable electronic apparatus is provided with locking part (120) for locking the lower edge portion of the lid section (200) in the upper portion on the front-end side thereof.

The invention relates to a teaching tool and particularly relates to a recitation platform for teaching in a senior high school. The invention aims at providing a recitation platform for teaching in the senior high school, which is convenient to move, convenient in platform height and inclination angle regulation, low in manufacturing cost and convenient in use. The recitation platform for teaching in the senior high school comprises a case body, wheels, a first bearing base, a second bearing base, a first rotating shaft, a rocking handle, a first bevel gear, a first screw rod, a second bevel gear, a first nut and the like, wherein the left and right sides of the bottom of the case body are symmetrically connected with the wheels in a bolted connection manner; the first bearing base and the second bearing base are welded at the left side wall of the interior of the case body; and the first bearing base is positioned at the lower side of the second bearing base. The recitation platform for teaching in the senior high school is capable of achieving the effects of convenience in movement, convenience in platform height and inclination angle regulation, low manufacturing cost and convenience in use.

The invention discloses a grain tedding device and a use method thereof. The grain tedding device comprises a base; four groups of jack bodies are symmetrically mounted on corners of the bottom of the base; a protecting plate is welded on the outer side of the top of the base; four groups of telescopic rods are symmetrically inlaid on corners of the top of the protecting plate; the tops of the telescopic rods are fixedly connected with a transparent glass plate through suction cups; sliding grooves are formed in two sides of the top of the protecting plate; sliding blocks are glidingly connected in the sliding grooves; a pushing plate is fixedly mounted between the sliding blocks through a connecting rod; a forward-and-reverse-rotation motor is fixedly mounted in the middle of the back end of the bottom of the base; screw rods are fixedly mounted in the sliding grooves through rolling bearings; and one end of each screw rod penetrates through the corresponding sliding block and the protecting plate to be in transmission connection with the forward-and-reverse-rotation motor through a belt pulley. The grain tedding device is simple and reasonable in structural design, convenient to operate, capable of saving time and effort, convenient to move, diversified in function, good in tedding effect, safe, stable, wide in application range and beneficial to promotion and popularization.

The invention provides a multifunctional lifting rotary worktable. The multifunctional lifting rotary worktable comprises an operating table and a rotary lifting table, wherein the four corners of the operating table are each fixedly connected with a supporting leg; the rotary lifting table is arranged in the middle of the operating table in a penetrating mode; and a shelf is fixedly connected under the rotary lifting table through the four supporting legs. The multifunctional lifting rotary worktable provides the lifting and rotation functions, the machining height and angle of workpieces can be conveniently adjusted, the requirement for machining inclination angles of some special workpieces can be also met, and the multifunctional lifting rotary worktable is suitable for machining most workpieces.

The invention discloses a portable high vegetable and fruit picking device. The front outer surface of a waist skirt plate is provided with a picking rod, and the rod body close to the lower end of the picking rod is provided with a sliding sleeve in a sleeve mode; a connecting rod is arranged between the sliding sleeve and the waist skirt plate; the upper end of the picking rod is provided with aY-shaped fork rod, the fork end of the Y-shaped fork rod is provided with a balance weight, the lower end surface of the balance weight is provided with a sawing motor, and the power output shaft atthe lower end of the sawing motor is provided with a sawing disc; a bearing hoop is arranged under the sawing disc; the lower portion of the front outer surface of the waist skirt plate is provided with a vegetable and fruit basket, the mouth of the vegetable and fruit basket is connected with the bearing hoop through an elastic bearing string bag. According to the portable high vegetable and fruit picking device, the waist skirt plate can conveniently fix the portable high vegetable and fruit picking device onto the body of a user, the connecting rod and the sliding sleeve can conveniently adjust the height and angle of the picking rod, the balance weight and the sawing disc can conveniently cut off branches of vegetable and fruit plants, and the elastic bearing string bag can conveniently collect vegetables and fruits to avoid damage caused by bumping.

The invention discloses an ultrasound-guided nerve-block auxiliary support. The ultrasound-guided nerve-block auxiliary support comprises an ultrasonic support body and a fixing and adjusting device used for fixing a medical ultrasonic probe and adjusting the fixing position of the medical ultrasonic probe. The fixing and adjusting device comprises a fixing rod, an extension rod, a telescopic rod, a snake-shaped setting hose and an ultrasonic probe fixing frame. The ultrasound-guided nerve-block auxiliary support has the following beneficial effects: due to the fact that the medical ultrasonic probe is clamped and fixed by the ultrasonic probe fixing frame and an end head of the medical ultrasonic probe is abutted against a position in need of anesthesia of a patient, a doctor does not need to hold the medical ultrasonic probe to press against the position requiring anesthesia all the time, thereby greatly saving workload of medical staff; meanwhile, medical staff can carry out other operation by other hands; puncture efficiency of nerve block anesthesia is thus indirectly improved; the end head of the medical ultrasonic probe can be adapted to be abutted against position in the need of anesthesia of the patient at any place and angle; and therefore, the ultrasound-guided nerve-block auxiliary support is highly adaptive.

The invention discloses a super large curved surface glass curtain wall mechanical installation method. The super large curved surface glass curtain wall mechanical installation method comprises the following steps of construction preparation, suction of the glass through an electronic suction cup, binding of a haulage rope and a basket strap, trial suspending of the glass, setting of glass in place and setting of ladder truck personnel in place, fine tuning of the glass, loosening of the haulage rope and installation of a press block. By utilizing the electronic suction cup to suck the glass, most of the weight of the glass is borne by a crane and the suction cup, the manual work at the carrying place of the glass is reduced, the ladder truck is a novel introduced machine and can conveniently adjust the height and the angle, only operating personnel stands on the ladder truck, the weight of the glass is not borne, the stress of people and materials is divided, and the method is safer and more efficient.

The invention provides a radar speed measuring instrument applied to a tunnel and provided with a rapid mounting support. The radar speed measuring instrument comprises a first piston rod, a pipeline,a second piston rod, a clamping rod, a conical block, a base, a mounting seat and a sleeve, the first piston rod is installed on the upper side in the pipeline through a micro spring, the right end of the first piston rod penetrates through a positioning rod to extend into the clamping rod, the pipeline is arranged in the base, the second piston rod is installed on the lower side in the pipelinethrough a second micro spring, the clamping rod is fixed on the portion, on the right side of the positioning rod, of lower end face of the mounting seat through a screw, the lower end of the clampingrod extends into the base, the conical block is fixed at the portion, on the right side of the clamping rod, of the lower end of the mounting seat through a screw, the lower end of the conical blockextends into the base, the conical block is attached to the second piston rod, and the sleeve is arranged on the annular side surface of the fixing column. Through the design, the use is convenient, assembling and disassembling are facilitated, moreover, the fixing effect is good, and height and direction can be conveniently adjusted.

The invention relates to the technical field of fabricated shear wall, and discloses a construction technology process of a fabricated shear wall structure. The construction technology process comprises the following steps that (1) a PC component enters the site; and (2) before the prefabricated PC component enters the site, the process inspection and tensile strength inspection certificates of areinforcement connection joint are checked. In the construction technology process of the fabricated shear wall structure, according to the principle of liquid level pressure balance, if the liquid level of a slurry discharge hole in a bending section is only settled slightly, the situation that the slurry at the grouting sleeve is dense can be determined, if a large sedimentation occurs, the sealing condition of a grouting layer cavity can be checked immediately, the grouting density is ensured, the situation that grouting is not dense is prevented, a plastering free construction technology is adopted, therefore, the surfaces of prefabricated components are correspondingly constructed in accordance with high-precision and clear light during production, so as to avoid cracking and fallingoff of the decorative surfaces of an external wall in the later stage, the advantages of the prefabricated building are reflected, the requirements of green construction are met, meanwhile the invasion of an internal wall is avoided, and the quality of the shear wall is ensured.

The invention discloses an automatic concrete spraying device, which comprises a triangular support device, a spray device and an automatic control device for controlling the spray device. The pulley at the end and the positioning plate connected to the top of the three support legs; the spray device includes a spray pipe connected to the top of the joint, an atomizing nozzle installed at the outlet of the spray pipe, a water supply main pipe connected to the bottom of the joint, and a connecting The water supply main pipe and the water supply branch pipe of the main water supply pipe; the automatic control device includes a power supply, a microcomputer time-controlled switch and an electromagnetic valve. The electromagnetic valve is installed on the water supply branch pipe, and the two ends of the microcomputer time-controlled switch are respectively connected to the power supply and the electromagnetic valve . The concrete automatic sprinkler device solves the problems of large consumption of maintenance water, difficult control of maintenance quality and high maintenance labor cost.

The invention discloses a lifting regulation type heat dissipation base of an intelligent notebook computer, and relates to the technical field of a heat dissipation base. The lifting regulation type heat dissipation base of the intelligent notebook computer comprises a bottom substrate and a placement plate; the bottom substrate is a square plate arranged horizontally; a lifting mechanism and an eccentric wheel mechanism are respectively arranged at both left and right ends of the upper surface of the bottom substrate; the lifting mechanism is a two-stage lifting sleeve mechanism; the top of the lifting mechanism is connected with the placement plate by a articulated mechanism; the eccentric wheel mechanism comprises a mounting base mounted on the bottom substrate; a bracing piece A and a bracing piece B are vertically arranged on the left side of the mounting base; eccentric wheels driven by a motor are arranged at the tops of the bracing piece A and the bracing piece B; and the eccentric wheels are in contact with the lower surface of the lifting mechanism. The lifting regulation type heat dissipation base of the intelligent notebook computer has the advantages of simple structure, efficient heat dissipation and adjustable angle and height.

The invention discloses a multi-functional cleaning vehicle. The multi-functional cleaning vehicle comprises a vehicle body, wherein the front end of the vehicle body is connected with a sweeping device, and the rear end of the vehicle body is connected with a watering device. By adoption of the technical scheme, the height and angle of a rolling brush can be conveniently adjusted, guard bars or guideboards of different heights can be swept, and guide bars or guideboards with different mounting angles can also be swept; meanwhile, the multi-functional cleaning vehicle has a watering function, so that water can be spread more evenly.