41results about How to "Sliding effect" patented technology

The invention relates to a self-balancing stretcher. The stretcher comprises a first framework layer, wherein a second framework layer and a third framework layer are arranged on the inner side of the first framework layer in turn; two support rods in a length direction or a width direction of the second framework layer are rotatably connected with two support rods on the first framework layer respectively, and the other two support rods on the second framework layer are rotatably connected with two support rods on a third framework layer; the connection joints of the first framework layer, the second framework layer and the third framework layer are positioned in the center of the support rods to which the connection joints belong respectively; a sliding mechanism is arranged on two support rods in the length direction of the third framework layer respectively; the third framework layer is in sliding connection with a fourth framework layer by the sliding mechanism; two support rods on the fourth framework layer which are connected with the third framework layer are arc-shaped; fastening bolts are arranged on the sliding mechanism; and the inner side of the fourth framework layer is connected with a bed surface. The stretcher of the invention has the advantages of high vibration damping performance, capacity of automatically adjusting the balance, simple structure, convenient and flexible use and low cost.

The invention discloses a floating type two-dimensional double-piston pump which comprises a pump. An oil suction opening and an oil drain opening are formed in the pump, a pump unit is arranged in the pump and comprises two cylinders, the two cylinders are fixed into the pump and are arranged in the left-right directions, and two pistons are arranged in the two cylinders and are in linkage with each other; the central axes of the cylinders coincide with the central axes of the pistons, movement components are arranged at two ends of each piston and are used for driving the piston to axially move to change the volume of a working chamber, and piston movement driving directions of the corresponding movement components at the two ends of each piston are opposite to each other; each cylinder,the corresponding piston and the corresponding movement components on two sides of the piston form a portion of the floating type two-dimensional double-piston pump, an upper portion of the floatingtype two-dimensional double-piston pump is close to a front end cover, and a lower portion of the floating type two-dimensional double-piston pump is close to a rear end cover. The floating type two-dimensional double-piston pump has the advantages that oil distribution disc structures of the traditional peripheral plunger pumps are replaced with rotary and slide double-degree-of-freedom structures of the pistons, and accordingly the floating type two-dimensional double-piston pump has continuous oil suction and drain functions; the floating type two-dimensional double-piston pump is in doublemodes, reciprocating movement is carried out by 4 times whenever each piston rotates by a circle, and oil can be sucked and drained by 16 times and are increased by 4 times as compared with single-piston pumps.

The invention belongs to the technical field of machine tool part corner angle polishing, and particularly relates to a machine tool part corner angle polishing operation device. The machine tool partcorner angle polishing operation device comprises a polishing base plate and a machine tool part plate; supporting rods are fixed to the bottom end of the polishing base plate; a polishing rectangular groove is formed in the center of the top end of the polishing base plate; a hexahedral cavity column is fixed to the center of the bottom end of the polishing rectangular groove; a supporting fixing assembly is arranged in the hexahedral cavity column; six sets of magnetic stickers are evenly arranged on the circumference of the top end of the hexahedral cavity column; a hexahedral cover is connected to the top end of the hexahedral cavity column through the magnetic stickers; auxiliary rods are fixed to the centers of the side faces of the hexahedral cover; a horizontal polishing assemblyand a vertical polishing assembly are arranged in the polishing rectangular groove; a driving assembly is arranged at the bottom end of the polishing base plate; four sets of rectangular discharging grooves are formed in the bottom end of the rectangular polishing groove; partition plates are fixed to the middle of the rectangular discharging groove; a cross-shaped protection frame is in threadedconnection with the center of the bottom end of the polishing base plate; a collecting groove is formed in the lower portion of the polishing base plate; and the cross-shaped protection frame covers and protects the driving assembly.

This product with a slide fastener (1, 1a, 1b) includes a pair of fastener stringers (20, 60) and a fastener receiving member (10) which has a pair of stringer-attaching parts (12). The fastener stringers (20, 60) are sewn to the fastener receiving member (10) with a stringer sewing thread (27). Each tape member (21, 51, 61) of the fastener stringers (20, 60) includes: a first tape piece (24, 54,64) to which a fastener element (31, 71) is attached; a tape bending part (25, 55, 65) which extends from the first tape piece (24, 54, 64) and is folded back in a U-shape; and a second tape piece (26, 56, 66) which is fixed to a second surface of the stringer attaching part (12). The second tape piece (26, 56, 66) covers the stringer sewing thread (27) exposed on the second surface of the stringer attaching part (12). Thus, side edges (13) of the fastener receiving member (10) are protected by the tape members (21, 51, 61) and deterioration of the slidability of a slider (40) caused by fraying is prevented.

The invention relates to the technical field of coating filling equipment, and discloses a heat insulation coating filling facility. The heat insulation coating filling facility comprises a machine platform. A filling position is arranged on the machine platform, a coating box is arranged above the filling position and connected with a filling pipe, and a filling valve is arranged on the filling pipe in a rotating mode. A protective mechanism is arranged on the machine platform, and comprises a rotating shaft, wherein the rotating shaft is arranged in a rotating mode. The rotating shaft is connected with a reciprocating driving mechanism, a driving gear is fixedly connected to the rotating shaft, and meshes with a driven gear, and the driven gear is fixedly connected with a lead screw which vertically penetrates through the machine platform. The lead screw and the machine platform are connected in a rotating mode, and a matched sliding sleeve is arranged on the lead screw in a sleevingmode. A stretching rod is arranged between the sliding sleeve and the machine platform, and the two ends of the stretching rod are fixedly installed on the machine platform and the sliding sleeve correspondingly. Baffles are fixedly connected to the sliding sleeve, located on the side of the filling position and used for sheltering a splashing coating. By means of the heat insulation coating filling facility, the problem that due to the fact that the coating is prone to splashing, the processing environment and filling barrels are contaminated can be solved.

The invention discloses a supporting structure for a back slope of a solar greenhouse, and relates to the technical field of solar greenhouses. The supporting structure particularly comprises a mounting plate and a connecting outer rod, wherein the outer wall of the mounting plate is fixedly provided with a baffle, the upper end of a sliding block is fixedly provided with a movable plate, the middle of the upper end of the movable plate is fixedly provided with a vertical rod, the upper portion of the inner wall of a working frame is fixedly provided with a second positioning strip, the upperend of the working frame is provided with a fixing strip, the upper end of the vertical rod is fixedly provided with an adjusting plate, the tail end of the connecting outer rod is fixed to the outerwall of a first rotating shaft, the outer wall of the adjusting plate is provided with a strip folding mechanism, and a bolting device is arranged between the inner walls of the baffle and supportingplate. The supporting structure for the back slope of the solar greenhouse has the advantages that under the action of external thrust, the movable plate slides in a sliding groove back and forth through the sliding block, so that a moving effect on the movable plate is achieved, and the supporting structure can be entirely moved according to the form of a slope, so that the entire stability of the supporting structure is better.

The invention discloses an automatic separating and discharging device for double-fork forgings, and belongs to the field of punching, separating and conveying. The device comprises a recess separating and conveying slide way, the recess separating and conveying slide way is inclined downwards, a stop lever is arranged below the tail end of the recess separating and conveying slide way, and when the double-fork forgings slide downwards, double forgings at the bottom are in contact with the stop lever to turn over the double-fork forgings; a flash separating and conveying line is arranged at the bottom of the tail end of the recess separating and conveying slide way, the recess separating and conveying line comprises two parallel flash conveying chains, a pressing device is arranged above the two flash conveying chains, the double forks of the double-fork forgings on the flash conveying chains can be pressed down by the pressing device, and a double-fork conveying line is arranged at the bottom of the middle of the two parallel flash conveying chains; and the device further comprises a recess conveying chain, the recess conveying chain is arranged on one side of the flash separating and conveying line, a wad collecting inclined sliding way is arranged at the bottom of the recess separating and conveying sliding way, the recess conveying chain is arranged at the tail end of the wad collecting inclined sliding way, and separation and collection of flashes, recesses and the double forks can be achieved through the structure.

The invention relates to the technical field of machine tools, in particular to a positioning clamp device with an automatic cleaning function. A clamping block arranged on the inner wall of a slidingblock in a sliding manner is included, wherein the sliding block is used for being connected with a guide rail. The clamping block is connected with a drive mechanism for driving the clamping block to slide. The front end, in the motion direction, of the sliding block is provided with a cleaning block which is in sliding connection with the guide rail. The inner wall of the cleaning block is provided with a wiping piece for wiping the guide rail. The positioning clamp device solves the problems that in the prior art, foreign matter on a guide rail is clamped between a sliding block and the guide rail, sliding block sliding is influenced, and consequently the sliding block and guide rail friction losses are large.

The invention provides a power tool. The power tool comprises a shell. The shell comprises a machine shell used for containing a motor and a handle which is connected with the machine shell. An output shaft of the motor drives an output rod to move through a transmission mechanism. The output shaft is provided with an axis. The handle and the machine shell are in sliding fit connection in the extending direction of the axis. The handle is provided with a control piece. The control piece and the motor are electrically connected through a wire. The shell is provided with a winding device. The winding device tensions the wire in the winding direction of the tensioned wire. The wire can be effectively arranged, and it is avoided that sliding of the handle relative to the machine shell is affected due to the disordered wire.

The invention discloses a positioning device for cutting steel pipes. The positioning device comprises a handle, a clamping plate, a worktable, a support plate, a strut, a base, a sliding groove, a support plate, an air blower, a screw, an iron rod, a spring, a clamping hole, a clamping plate, an air inlet hole, a screw hole and a clamping groove. The positioning device is provided with the clamping plate, a user can push the clamping plate to move by screwing the handle, the steel pipes are clamped through the clamping groove in the clamping plate, fixation of the steel pipes is facilitated,and cutting is more convenient to achieve; the support plate is arranged and is clamped into the sliding groove, and therefore the support plate can slide on the sliding groove back and forth, the user can identify the lengths of the steel pipes according to the scale on the worktable, and the steel pipes are cut more accurately; and the air blower is arranged, and therefore the air blower can beused for blowing chippings generated in the cutting process out of the sliding groove, and the condition that the chippings are accumulated in the sliding groove and sliding of the support plate is influenced are prevented. The positioning device has the characteristics of being firm in fixation and accurate in positioning.

The invention belongs to the technical field of washing. The problems that cables are easily wound in the pushing/pulling process of a drawer type washing device in existing washing equipment, so thatthe pushing and pulling of cables are not smooth, and even the cables are pulled apart can be solved. The washing equipment provided by the invention comprises a shell and a washing device arranged in the shell in a sliding mode. The washing device can enter/exit the shell in a push/pull manner. The washing equipment further comprises a cable fixing device. The cable fixing device is used for fixing cables of the washing equipment and is arranged to pivot along with entering/exiting of the washing equipment from the shell. Therefore, the sliding of the washing equipment relative to the shellis not affected by the cables of the washing equipment. Cables can be prevented from being broken due to the mutual winding of the cables.

The invention discloses a hydraulic reversing valve, which comprises a valve body (1), a valve core (2) arranged in the valve body (1) in a rotatable manner and an operating rod (3) for driving the valve core (2) to rotate in the valve body (1), wherein a hollow cavity and at least three first oil feed holes (21) are formed in the valve core (2); at least two second oil feed holes (4) are formed in the valve body; and any one of the first oil feed holes is selectively connected with or disconnected from any one of the second oil feed holes (4) through rotation of the valve core (2). The operating rod drives the valve core to move, so that switching among at least six oil paths is realized, and the structure is simple. The invention also discloses a hydraulic transmission system comprisingthe reversing valve.

The invention discloses an elevator for rescue and a control method thereof.The elevator comprises an escape exit, a first photoelectric sensor, a second photoelectric sensor, a first ladder stand assembly, a second ladder stand assembly, a landing door opening and closing assembly, a controller and an ARD emergency rescue device, and the controller is electrically connected with a car door opening and closing assembly, the first photoelectric sensor and the second photoelectric sensor; the ARD emergency rescue device is electrically connected with the controller, the lift car lifting assembly, the landing door opening and closing assembly, the computer terminal and the external power grid. The control method comprises steps S1 to S5. When power failure occurs, the lift car runs to the leveling position, the car door and the hoistway door are opened, and passengers escape; when the lift car cannot normally lift or the car door cannot be opened, the hoistway door suitable for passengers to escape is automatically opened, and the passengers are prompted to escape; in addition, the first crawling ladder assembly and the second crawling ladder assembly are both of a pure mechanical structure, the structure is simple, operation is convenient, and escape of passengers is facilitated.

The embodiment of the invention discloses a thin-wall soil sampler capable of measuring the water content of a soil sample, relates to the technical field of geotechnical engineering investigation equipment, and solves the problem of low water content measurement and soil sample collection quality of a soil sampler. The thin-wall soil sampler capable of measuring the water content of the soil sample comprises a base, a soil sampling assembly and a detection assembly, the first end of the base is used for being connected with a drill rod, and the second end of the base is provided with a limiting pipeline. The soil sampling assembly comprises a soil sampling pipe, the soil sampling pipe is consistent with the limiting pipeline in extension direction and located in the limiting pipeline, and the soil sampling pipe is slidably connected with the limiting pipeline through a first sliding mechanism; the detection assembly is located in the soil sampling pipe, is in sliding connection with the soil sampling pipe through a second sliding mechanism and comprises a water content detection part and a supporting rod, the first end of the supporting rod is fixedly connected with the second end of the base, the second end of the supporting rod is fixedly connected with the water content detection part, and the second end of the supporting rod is close to the end, away from the base, of the soil sampling pipe. The thin-wall soil sampler capable of measuring the water content of the soil sample is used for sampling the soil sample and measuring the water content of a soil body.

The invention discloses welding equipment. The welding equipment comprises a welding frame and a sliding frame connected with the welding frame in a sliding and cooperating mode; a base is arranged atthe bottom of the welding frame, and a sliding groove which enables the left side and the right side of the welding frame to communicate with each other is formed in the welding frame; and the sliding frame comprises a bottom arm, a left arm and a right arm, wherein the bottom arm is connected with the sliding groove in a sliding and cooperating mode, the left arm is arranged at the left end of the bottom arm and is connected with the left end face of the welding frame in a sliding and cooperating mode, and the right arm is arranged at the right end of the bottom arm and is connected with theright end face of the welding frame in a sliding and cooperating mode. According to the welding equipment, the overall structure is simple, the production cost is relatively low, and operation is simple and convenient; the front-and-back movement of a welding gun is driven by power provided by front-and-back electric rotating machines through working, and the up-and-down movement of the welding gun is driven by power provided by up-and-down electric rotating machines through working, so that stability of a plate during welding is guaranteed, and the welding gun is guaranteed not to deviate when being used for welding the plate; and therefore, the welding equipment is good in welding effect and suitable for popularization and use.

The invention discloses a novel welding device. The novel welding device comprises a welding frame and a sliding frame connected with the welding frame in a sliding and cooperating mode; a base is arranged at the bottom of the welding frame, and a sliding groove which enables the left side and the right side of the welding frame to communicate with each other is formed in the welding frame; and the sliding frame comprises a bottom arm, a left arm and a right arm, wherein the bottom arm is connected with the sliding groove in a sliding and cooperating mode, the left arm is arranged at the leftend of the bottom arm and is connected with the left end face of the welding frame in a sliding and cooperating mode, and the right arm is arranged at the right end of the bottom arm and is connectedwith the right end face of the welding frame in a sliding and cooperating mode. According to the novel welding device, the overall structure is simple, the production cost is relatively low, and operation is simple and convenient; the front-and-back movement of a welding gun is driven by power provided by front-and-back electric rotating machines through working, and the up-and-down movement of the welding gun is driven by power provided by up-and-down electric rotating machines through working, so that stability of a plate during welding is guaranteed, and the welding gun is guaranteed not todeviate when being used for welding the plate; and therefore, the novel welding device is good in welding effect and suitable for popularization and use.