16283results about How to "Height adjustable" patented technology

The invention provides a locking adjusting mechanism of drawer slide rails. The locking adjusting mechanism comprises a connecting seat arranged on the bottom surface of a drawer, wherein the connecting seat is rotatably connected with a lock rod; a lock bolt is arranged on one end of the lock rod and is fastened together with the slide rails, and a handle extends from the other end of the lock rod; the lock bolt is separated from the slide rails through a pressing handle and is equipped with an oblique guide surface corresponding to the slide rails; a stepped locking part (more than two steps) is arranged in the back of the guide surface and is fastened together with lock holes of the slide rails; the lock rod is arranged on a brace of the connecting seat through a locating hole at the middle part of the lock rod, and a fixture is arranged between the lock rod and the brace; and the brace is equipped with an elastic member. The locking adjusting mechanism provided by the invention is characterized in that that the lever-type lock rod is arranged on the connecting seat and is fastened together with the drawer slide rails, and the lock rod can generate large locking force; and the mechanism has the characteristics of being quick in assembly and low in manufacturing cost.

The invention relates to the field of machining equipment, in particular to a movable clamping working table for round steel machining. The movable clamping working table comprises a table top, a rotating table, a two-way lead screw and a movable bracket, the upper surface of the table top is rotationally connected with the rotating table, a sliding groove is formed in the upper surface of the rotating table, the two-way lead screw is mounted inside the sliding groove, the outer side wall of the rotating table is fixedly connected with a clamping motor, the movable bracket sleeves the two-waylead screw, a guiding groove is longitudinally formed in the side wall of the movable bracket, a lifting lead screw is arranged in the guiding groove, a lifting block sleeves the lifting lead screw, and a clamping mechanism is mounted on the side wall of the lifting block. By arranging the two-way lead screw and the movable bracket, the end of round steel is clamped by a clamping plate to completeclamping action, the clamping speed is high, the working efficiency is greatly improved, by arranging the lifting block and the lifting lead screw, the height of the round steel can be adjusted according to the actual machining needs, and by arranging universal wheels capable of rising and falling, the movable clamping working table can be conveniently pushed to move.

A multi-purpose fitness apparatus. The apparatus includes an extendable base, a height-adjustable weight-supporting frame, a resistance assembly providing adjustable resistance, an exercise mechanism, a detachable bench assembly, and a connecting mechanism connecting the exercise mechanism to the resistance assembly. The resistance assembly includes a supporting frame having a lower resistance support and an upper resistance support that is slidably coupled to the lower resistance support. A top spring-attachment member is mounted on the top end portion of the upper resistance support. A bottom spring-attachment member is moveably coupled to a vertical track member mounted on the lower resistance support. The movement of the bottom spring-attachment member is resisted by resistance from one or more resilient resistance members detachably affixed to the spring-attachment members. The amount of resistance is adjustable by selecting the number of the resistance members affixed.

The invention provides a producing method of a visualized website template. Custom multi-layer level nest modified layout and cross-level module drag and drop can be operated, visualized editing can be operated to visualized controls, a sharing master base can be rapidly introduced to operate rapid template production which can be repeatedly invoked when a following template is produced; meanwhile, JavaScript (js) is adopted to operate dom elements which operate a hypertext markup language (HTML) in real time, and the visualized control modules can be dragged and arranged to replace the elements in the HTML. Compared with the traditional code editing template or the template production in the way of operating an extensive markup language (XML) and reading a data base in real time, the producing method has the obvious improvement in easy usability and real-time performance, and if a module is added, only setting up a document and adding IH and IF codes are needed, so that the simplified, fast and convenient module expansion function is realized.

The invention discloses a multi-degree-of-freedom two-wheeled robot with a variable gravity center. The robot is remodeled on the basis of a common two-wheeled robot; two degrees of freedom are increased to change the gravity center, so that the balance of a two-wheeled vehicle is preferably maintained in the motion. One degree of freedom is that the two-wheeled robot is integrally inclined to balance the centrifugal force of the two-wheeled robot during turning; during rapid turning, the two-wheeled robot can overcome the centrifugal force through adjusting the inclination angle of the robot, so that the robot more smoothly finishes the turning action; the other degree of freedom is that a slide block is born on the two-wheeled robot; and through adjusting the position of the slide block on an article carrying plate of the robot, the position of the gravity center is changed, so that the climbing action of the robot is controlled more easily and greater stability of the robot during climbing is obtained.

The invention discloses a spraying-height-adjustable pesticide mixing and spraying device. The device comprises a base, and a mixing box is arranged on the base; a left support plate and a right support plate are arranged on the left side and the right side on the top of the base respectively, a first reduction motor is arranged on the top of the left side wall of the left support plate, a motor shaft at the right end of the first reduction motor is connected with a rotary shaft, a rotary plate is installed at the right end of the rotary shaft, a pin shaft is arranged on the top of the right end surface of the rotary plate and rotationally connected with a connecting rod, a lifting plate is hinged to the bottom of the connecting rod, and the left side on the bottom of the lifting plate isrotationally connected with a screw rod through a plummer block. The bottom of the screw rod penetrates through the top of the mixing box and is provided with stirring blades, a limiting plate is fixedly arranged between the left support plate and the right support plate through a support, and a telescoping screw rod penetrates through the limiting plate and is in threaded connection with the limiting plate. The spraying-height-adjustable pesticide mixing and spraying device is simple in operation and convenient to control, the screw rod moves up and down through the rotation of the rotary plate, and the screw rod forwards and reversely rotates while moving up and down, so that pesticides are evenly mixed through the stirring blades, and the pesticides are prevented from being precipitated.

The invention discloses a three-dimensional (3D) printer which comprises a rack, a base, an X-axis movement system, a Y-axis movement system, a Z-axis movement system and a printing device, wherein the rack comprises a left upright post, a right upright post, an upper connecting plate and a lower connecting plate; the upper connecting plate and the lower connecting plate are connected with the left upright post and the right upright post, respectively; the base is connected with the lower connecting plate; the upper connecting plate is connected with a printing supplies connecting rack; the printing supplies connecting rack is connected with a printing supplies fixing disc; the printing device is connected with the X-axis movement system; the X-axis movement system is connected with the Z-axis movement system; the Z-axis movement system is connected with a guide rail of the left upright post and the right upright post; the Y-axis movement system is connected with the base; the X-axis movement system is provided with an X-axis movement guide rail through which the printing device moves; a power supply and a controller which are connected with each other are arranged at the bottom of the base; the controller is connected with the X-axis movement system, the Y-axis movement system, the Z-axis movement system and the printing device. The 3D printer is simple and compact in structure, small in size and low in manufacturing cost.

The invention discloses a shock-resistant petroleum pipeline fixing base. The shock-resistant petroleum pipeline fixing base comprises a base body and a supporting seat which is located above the base body. A groove is formed in the side wall of the base body. The shock-resistant petroleum pipeline fixing base further comprises an adjusting screw rod arranged in the groove, at least three holes are formed in the upper surface of the base body, and the lower ends of the holes are communicated with the groove. The shock-resistant petroleum pipeline fixing base further comprises racks fixed at the bottom of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises gears which are sequentially fixed on the adjusting screw rod, and the gears are meshed with rack bodies on the racks. The shock-resistant petroleum pipeline fixing base further comprises elastic devices arranged on the two sides of the upper surface of the base body, one ends of the elastic devices are connected with the upper surface of the base body, and the other ends of the elastic devices are connected with the lower surface of the supporting seat. A semicircular groove is formed in the upper surface of the supporting seat. The shock-resistant petroleum pipeline fixing base further comprises a petroleum pipeline arranged in the semicircular groove. According to the shock-resistant petroleum pipeline fixing base, due to the arrangement of the racks and the adjusting screw rod, the height of the base body can be adjusted; the elastic devices with one ends connected with the upper surface of the base body and the other ends connected with the lower surface of the supporting seat achieve a certain damping effect on the base body.

To provide a refrigerator that has excellent storage efficiency and convenience. The refrigerator (51) includes a refrigerator compartment (53) having an opening in a front plane, in which items are stored, and a shelf plate (80) disposed to span between the left side-surface and the right side-surface of the refrigerator compartment (53) in a bridging manner, and having different horizontal depths on the left and right. With this, the inoperative space present in the refrigerator compartment (53) can be filled up by a horizontally deep portion of the shelf plate (80), and the two storage areas of the shelf plate (80), that is, the horizontally deep area and the horizontally shallow area can be used separately.

The invention provides a penetration coefficient determination apparatus for a permeable asphalt concrete track board test piece, and a test method thereof. The determination apparatus comprises a test device and a water supply device, and the test device comprises a workbench, an overflow water tank, an upper sleeve, a lower sleeve, two flanges, an electronic thermometer and a measuring cylinder; the outer sidewall of the upper sleeve is provided with water overflow ports connected with the inside of the upper sleeve, the two same flanges are provided with a ring of a slot, and the two flanges and the sleeve are cemented to form an integral body; the lower sleeve is connected through the overflow water tank, and the overflow water tank is provided with an overflow port and a water drainage port; the test piece is placed between the two flanges, a rubber sealing pad is arranged between each of the flanges and the test piece, the flanges are provided with screw holes, and the test piece is fixed through allowing long bolts to traverse through the screw holes and through using nuts; and the water supply device comprises a water storage barrel, a water pump and a power switch. The apparatus has the advantages of reasonable structure, simple operation, satisfactory solving of the seepage problem of the side wall, realization of flexible control of hydraulic gradient, and reasonable and reliable determination result.

The invention provides a device for causing damage to an experimental animal, which comprises a platform and an altitude controller arranged on the platform, and further comprises a striking component, a horizontal bracket and a vertical bracket; the striking component comprises a striking bar, a striking head, a guiding pipe, an electromagnet, a power and a switch; the guiding pipe, which is an open-ended through-tube, is fixed on the horizontal bracket; a cover of the striking bar is arranged in clearance fit with the guiding pipe; one end of the striking bar is connected with the striking head, and the other end of the striking bar is made of ferromagnetic materials and arranged in the magnetic field produced by the electromagnet; the electromagnet and the power are electrically connected with the switch; the altitude controller and the vertical bracket are vertically connected with the horizontal bracket; and the electromagnet is fixed on the vertical bracket. The device causes fixed-point and fixed-amount damage to animal tissue such as spinal cord, reduces artificial errors through mechanized operation, and enhances the repeatability of an experiment.

The invention discloses a multifunctional mahjong table comprising a base and a multifunctional table top, wherein the height of the base is adjustable; the base comprises a bracket and a plurality of telescopic table legs, wherein the bracket and the table legs are all in frame structure made of stainless steel material; the periphery of the bracket is evenly distributed with table leg sleeves sheathed on the table legs; the multifunctional table top comprises a mahjong table top fixed on the bracket, dismountable side plates and a dismountable multifunctional panel, wherein the dismountable side plates are fixed on the side edge of the multifunctional table top; and the dismountable multifunctional panel is fixed on the top of the mahjong table top. The multifunctional mahjong table proposed by the invention is characterized in that the height of the mahjong table can be regulated, different table tops can be used for adapting to different applications, the application range of the mahjong table is expanded, and space is saved. In addition, the adopted stainless steel and the glass material are beautiful and elegant, and the grade of the product is improved.

The invention discloses a real-time monitoring method for growth characters of tea trees in intensive cultivation. The method comprises the following steps: performing real-time data acquisition by a tea tree living body growth character data acquisition device based on online location, transmitting the acquired data to an artificial comprehensive management center through a wireless communication way to process, wherein the acquired data comprises current location data acquired by a locating mechanism, fresh tea leaves spectrum data acquired by a high spectrum imaging sensor, and average growth height of fresh tea leaves measured by an ultrasonic wave sensor, and judging the best fresh tea leaf picking time based on that the data and a picking judgment model established off line are combined by the artificial comprehensive management center. The picking judgment model comprises a bud size growth measurement model based on average growth height, a yield correlation model and a quality correlation model based on the high spectrum image data. The real-time monitoring method for the growth characters of the tea trees in intensive cultivation is beneficial to realizing of intensive cultivation and automation in planting of the tea trees.

The invention relates to a desk and chair, in particular to a desk and chair for correcting sitting postures of students. According to the desk and chair for correcting the sitting posture of the student, the height can be adjusted, the angle can be adjusted, and the sitting posture of the student can be corrected. The desk and chair for correcting the sitting posture of a student comprises a slotted base having two fixed guide rail frames connected to one upper side, a movable table plate structure arranged between the fixed guide rail frames, and a movable seat mechanism mounted on the otherside of the slotted base. The height of the cushion can be adjusted through a seat lifting mechanism, the angle of the cushion can be adjusted through a rotating shaft, the height of the desk board can be adjusted through a desktop lifting mechanism, and the angle of the desk board can be adjusted through a pin rod; therefore, the height of the cushion and the desk board can be adjusted accordingto the height of a student, the distance between the cushion and the desk board can be adjusted, and the sitting posture of the student can be corrected.

The invention relates to the field of punching of automobile outer covering pieces, in particular to an automobile outer plate processing technic method. An addendum surface in a drawing process is adopted; the inclination degree of the inclined plane of the addendum surface is an included angle of 30-45 degrees between the inclined plane and a binder surface; and the height of the binder surface is adjusted, so that areas of different drawing depths in the same inclined plane are stressed uniformly, the requirement of thinning rate of an outer surface is met, and peripheral inclined planes are prevented from cracking by drawing. The method is mainly used for overcoming the defects of great rebounding force, outer surface unevenness and the like caused by insufficient rigidity of the outer surface and cracking and arc-shaped flanges on side walls. The abovementioned defects are improved and overcome by methods including changing the height of the binder surface, adopting an excessive drawing form, setting the inclination and form of a process surface, and the like.