53results about How to "Prevent lateral drift" patented technology

The invention discloses a temperature-suction-stress coupling multifunctional direct-shearing and single-shearing testing system and an operation method thereof. The temperature-suction-stress coupling multifunctional direct-shearing and single-shearing testing system comprises five parts including a control cabinet (1), a direct-shearing and single-shearing instrument (2), a diffused air bubble washing device (3), a temperature control device (4) and a computer (5), wherein the five parts are connected through a communication protocol; a testing process and data acquisition are controlled by utilizing the computer (5); manual testing control can also be carried out on the direct-shearing and single-shearing instrument (2), the diffused air bubble washing device (3) and the temperature control device (4) by adopting the control cabinet (1). The temperature-suction-stress coupling multifunctional direct-shearing and single-shearing testing system is applicable to soil body shearing strength tests and research under a temperature-suction-stress coupling effect; conventional consolidation, direct shearing and single shearing tests on a soil body can be effectively carried out, and consolidation, direct shearing and single shearing tests under a multi-field coupling effect of temperature, suction, stress and shearing waves can be realized; soil body shearing strength, a consolidation and sedimentation property and a soil-water characteristic curve under different environment conditions can be researched.

The invention aims to provide a high-speed hot press which can be matched with a movable pulse hot-pressing module to improve the process operation mode and enhance the productivity per unit time, and the application method of the high-speed hot press as well. The high-speed hot press comprises a machine station, a conveyor belt mechanism, a hot-pressing module, a moving mechanism and an operation system. The high-speed hot press is characterized in that the hot-pressing module is composed of a pulse hot-pressing electrode, a heat-dissipating module, a horizontal adjusting module, an actuating module and a transformer module which are orderly stacked from bottom to top; and the moving mechanism consists of two parallel opposite longitudinal bearing rails, a plurality of horizontal moving rails, a plurality of horizontal moving apparatuses and a plurality of longitudinal moving apparatuses, wherein the longitudinal bearing rails are respectively arranged at one side of the top end of the machine station, the horizontal moving rails are respectively corresponding to the hot-pressing modules and are arranged between the longitudinal bearing rails, the horizontal moving apparatuses are respectively disposed at positions where the horizontal moving rails and the longitudinal bearing rails are connected, and the longitudinal moving apparatuses are respectively disposed at positions where the hot-pressing modules and the horizontal moving rails are connected and enable the hot-pressing modules to be suspended below the horizontal moving rails.

The invention relates to an electronically-controlled common rail heavy oil injector which comprises an injector body, an electro-hydraulic control member and a nozzle member. In the electro-hydrauliccontrol member, a ring groove is formed in the middle of the outer side of a guide sleeve, a transverse through hole is formed in the middle of the groove to directly communicate with a middle hole of the guide sleeve, the two sides of the ring groove are provided with seal rings, and the interior of the oil injector is divided into three chambers. A control valve core guide section is provided with three ring grooves, and the second ring groove is in communication with the transverse through hole in the middle of the guide sleeve. An electromagnetic component is in contact with cooling oil,a cooling oil circuit is isolated from a fuel oil circuit by means of dynamic sealing, static sealing and drainage manners, and corroding and thermal damage of heavy oil to electronic components can be effectively prevented; and a sinking groove is formed in the middle of the top end of an orifice plate, a ball valve seat guide sleeve can be sleeved with the sinking groove of the orifice plate tobe in clearance fit with a ball valve seat, and a certain guiding ability for axial movement of the ball valve seat is achieved.

The invention provides a revolving table device, mainly comprising a pedestal, a support ring body, a revolving platform and a revolving driving mechanism, the pedestal is fixedly equipped with an inverted cone-shaped support ring body at a lower position, the support ring body is equipped with a support seat for assembling a bearing pack at a lower end, the revolving platform of a revolving shaft is pivoted on the pedestal, the revolving shaft of the revolving table downward passes through the support seat of the support ring body in a sleeved manner, and makes the shaft end of the revolving shaft downward stretch out of the support seat in a protruded manner, the revolving driving mechanism is equipped with a driving source on one side of the pedestal, a transmission set is arranged between the output shaft of the driving source and the shaft end of the revolving shaft of the revolving platform, and can drive the revolving platform to revolve on the pedestal when the driving source actuates; therefore, not only can the support ring body be used to prevent the revolving shaft of the revolving platform from generating side direction deviation, but also the transmission set of the revolving driving mechanism is arranged below the support ring body, so as to be convenient for conducting maintenance operation, and then the practical benefits that the machining precision is guaranteed and the maintenance is easy are achieved.

The invention relates to an automatic transmission mechanical parking mechanism. The automatic transmission mechanical parking mechanism comprises a parking ratchet wheel circumferentially fixed to atransmission shaft system. A gear shifting rotary shaft is arranged on a transmission box. One end of the gear shifting rotary shaft is fixedly connected with a gear shifting rotary arm, and the otherend of the gear shifting rotary shaft is fixedly connected with a parking rotary arm. The parking rotary arm is in an L shape. The short arm end of the L-shaped parking rotary arm is provided with sectored teeth. An elastic compression lock pin is arranged on the transmission box. The long arm end of the L-shaped parking rotary arm is hinged to a parking push-pull rod. The extension end of the parking push-pull rod is inserted into a parking driving frame which is in sliding fit with the transmission box. The extension end, inserted into the parking driving frame, of the parking push-pull rodis sleeved with a push rod compression spring. One end of the push rod compression spring is limited by a convex edge of the extension end of the parking push-pull rod, and the other end of the pushrod compression spring is limited by an end plate of the parking driving frame. A first roller makes rolling contact with the lower end face of a guide plate, and a second roller makes rolling contactwith the free end of a parking detent. The transmission box is provided with a reset device corresponding to the free end of the parking detent.

The invention discloses a spring mattress and a curling method thereof. The spring mattress comprises a soft border, a spongy cushion is arranged in the soft border, and a compressive elastic supporting cushion positioned below the spongy cushion is also arranged in the soft border; the elastic supporting cushion comprises at least one elastic assembly; the elastic assembly comprises a piece of covering cloth with a plurality of chambers, springs are arranged in the chambers, the springs are convex spiral springs, and two ends of spring steel wires for forming the springs are provided with bent parts bent and extended to the interiors of the springs; and a bottom board is fixed at the bottoms of the chambers, guide posts extended into the springs are fixed on the bottom board, and the guide posts are lower than the compressed springs. The curling method of the spring mattress comprises the following steps of: A) carrying; B) covering a film; C) compressing; D) curling; and E) stickinga plastic film. The spring mattress can be curled after being compressed, so that the volume is reduced, and the spring mattress is convenient to transport and carry.

The invention discloses a fully automatic wheel locking light bracket double-layer parking device, and belongs to the technical field of parking devices. The device comprises a vertical telescopic upright post, wherein the upper end of the upright post is fixedly connected with a horizontal telescopic bracket; two ends of an extension arm of the bracket are fixedly connected with two telescopic wheel locking brackets perpendicular to the extension arm respectively; each wheel locking bracket is fixedly connected with a wheel locking pad and a bearing plate respectively; and a limiting plate is hinged outside each bearing plate. Through the device, 1.5 times the number of automobiles can be parked in the same space, so that the problem of difficulty in parking is effectively solved.

A latch needle (1) has a latch spring (19), which assumes the width of the latch slit (5) in the vicinity of the latch seating (18). However, the latch spring (19) is embodied to be narrower on both sides of this section (25). By means of this, premature wear of the latch or spring in the area of the latch seating device (18) is counteracted on the one hand as is, on the other, the obstruction of the latch slit (5) by dust or dirt. The narrower sections (26, 27) of the latch spring (19) define a passage together with the inner face (8, 9) of the slit walls (6, 7), through which foreign bodies, such as fiber remnants, dust or the like can be conveyed from the upper needle side (11) in the direction toward the needle back (12). In contrast to conventional latch needles, needles (1) of this type of construction show reduced wear, a reduced susceptibility to becoming soiled, and therefore increased dependability.

The invention relates to the technical field of hydraulic engineering gates, in particular to an asymptotic hydraulic engineering gate lifting device which comprises a gate seat, a gate, a gate lifting device and small gates. The gate is clamped in sliding grooves formed in the inner sides of supporting columns on the two sides of the gate seat, a cross beam connected between the upper ends of thesupporting columns on the two sides of the gate seat is provided with the gate lifting device, and small gate ports formed in the surface of the gate are provided with the small gates. The device hasthe beneficial effects that a motor is controlled to work, an output shaft end of the motor is in transmission connection with a screw rod through a transmission mechanism in a transmission box, thescrew rod and the gate connected with the lower end of the screw rod are lifted under the connection relationship with the screw rod, manual rotation is not needed, and labor saving and convenience are realized; telescopic rods of hydraulic cylinders are independently controlled to contract, and the small gates closing the small gate ports are turned upwards, so that each small gate port can be independently controlled to discharge, and the whole gate does not need to be lifted.

The invention discloses an improved structure of a caliper, which comprises a main ruler, a vernier and measuring jaws arranged on the main ruler and the vernier, wherein a positioning mechanism I is arranged on one side of the upper end of the vernier which is near to the measuring jaw, a positioning mechanism II which forms a diagonal structure with the positioning mechanism I is arranged at the lower end of the vernier, the positioning mechanism I and the positioning mechanism II respectively push against the upper end surface and the lower end surface of the main ruler for limiting the lateral shift of the vernier, an elastic pressing mechanism is arranged on one side of the lower end of the vernier which is near to the measuring jaw, and the top of the elastic pressing mechanism is connected with the lower end surface of the main ruler for leading the positioning mechanism I and the positioning mechanism II to keep the state of pushing against the main ruler. The improved structure can solve the problem of inaccurate measurement result caused by excessive lateral gap of the existing caliper, eliminate errors produced by the aspect of measurement principle and improve the measurement precision of the caliper.

The invention belongs to the technical field of glass artware production and processing, and in particular relates to a glass artware paint spraying machine. The glass artware paint spraying machine comprises a paint spraying device and a paint processing device, wherein the paint spraying device comprises a work table, a spraying gun, a support frame of the spraying gun, and an ascending and descending rotating rod; the paint processing device comprises a sealed cover case arranged on the top of the work table and at the outside of the spray gun and the ascending and descending rotating rod; the top of the cover case is provided with an air pipe and a fan; a paint filter is arranged on the air pipe, and comprises a tube body, a metal wire net layer and an active carbon cotton filtering layer; the metal wire net layer and the active carbon cotton filtering layer are in horizontal arrangement along the inner cavity of the tube body from bottom to top. The glass artware paint spraying machine has the advantages that the work intensity of workers can be reduced; the work efficiency is improved; the work environment of the workers is obviously improved; the body health of the workers is ensured.

The invention provides an automobile tire burst self-stabilizing system. The automobile tire burst self-stabilizing system comprises four hubs on an automobile body and an oil supply device. Each hub is provided with a tire, each hub is provided with a tire pressure monitoring device and a pressure release valve, the bottom surface of each hub is provided with a plurality of annular channels, capsules are arranged in the annular channels, and the bottoms of the annular channels are provided with through holes for supplying oil to the capsules; The oil supply device comprises a cylinder body used for storing hydraulic oil, a piston is arranged in the cylinder body in a sliding mode, the piston is controlled by a hydraulic cylinder to move, sealant attached to the inner wall of the cylinder body is arranged around the piston, an oil outlet is formed in the bottom of the cylinder body, a first oil distribution pipe is arranged at the end of the oil outlet, and the first oil distribution pipe is connected to two second oil distribution pipes through two pipelines. Each second oil distribution pipe supplies oil to capsules on two hubs at the front end of the vehicle body or capsules on two hubs at the rear end of the vehicle body through two oil supply pipes, and electromagnetic valves are arranged in the pipelines. Lateral deviation of an automobile body after tire burst of the automobile can be avoided, it is guaranteed that the automobile body continues to run stably, and the safety of a driver and passengers is guaranteed.