56results about How to "Avoid the risk of damage" patented technology

The invention relates to a plastic screw plug (6) for attaching a rail to a sleeper, in particular concrete sleeper, having an essentially cylindrical plug body which has at the head end a stem region (7) which preferably adjoins a plug crown (8) toward the bottom, and in the continuation of which stem region (7) has an outer thread (9) with which it can be turned out of or into the sleeper, and is provided with an inner thread (10) underneath the stem region (7) in order to receive a sleeper screw. The intention is to improve such a plastic screw plug, in particular, with regard to its operating properties such as uniform application of force into the sleeper, simpler mounting and replaceability, reduction of the risk of fracturing, and additionally to permit it to be used in a variable way. For this purpose, the stem region (7) has on the inside, in the junction with the inner thread (10), a shoulder (13) which reduces the internal diameter over part of the length of the stem region (7) and extends in a spiral shape over at least part of the circumference.

The invention relates to a method for replacing a fabric in a web forming machine. In the method, the front side (42) of the web forming machine comprises beams (21) between which beams (21) a gap is created for replacing a fabric forming a closed loop (24). After creating the gap, the gap is maintained with a medium lifting device (10), in which medium lifting device (10) pressurizable chambers (30) defined by sealing elements (32) are arranged on both sides of the fabric (24). The sealing elements (32) are sealed against the fabric (24) when pressurizing the chambers (30). The invention also relates to a corresponding lifting device, arrangement, and web forming machine.

The invention relates to a device for attaching a first part (1) to a second part (2) which is attached to a third part (3), the first part (1) bearing a screw (4) that can be inserted into an opening (5) in the second part (2) and into a hole (6) in the third part (3). In addition, a nut (7), which is screwed on the screw (4), can be used to tighten the first part (1) against the second part (2). Moreover, the screw (4) is solidly connected to the first part (1) by means of a spring (8) that can deform elastically as the nut (7) is being tightened.

This invention relates to socket connector set in circuit board to supply joining socket to provide signal circuit, which at least comprises isolation body and several conductive terminals, wherein, the body front terminal is located with column with holes; the column front end is inserted with hole isolation body with bolt joining channel inside; the channel side is located with several terminal capacitor tank with conductive terminals in; the isolation body front end is positioned with card holes on both sides of column with one in different color to said isolation body and the card hole matched on above column to divide socket connector of different color ring.

The invention discloses an antenna fixing apparatus for strengthening a concentrator signal. The antenna fixing apparatus comprises a transverse plate and a vertical plate, wherein a first sliding groove is formed in the transverse plate; an adjusting base is arranged in the first sliding groove; a signal receiver is mounted on the side face of the adjusting base; the adjusting base comprises an outer cylinder and an inner cylinder; the inner cylinder is arranged in the outer cylinder in a sleeving manner; a first spring is mounted between the inner bottom of the outer cylinder and the bottom surface of the inner cylinder; a strip-shaped opening is formed in the side wall of the outer cylinder; elastic clamping sheets are mounted in the strip-shaped opening; the lower ends of the elastic clamping sheets are hinged with the side wall of the outer cylinder; the upper ends of the elastic clamping sheets can be folded to the outer cylinder, and a fixing block is mounted at the upper ends of the elastic clamping sheets; a second sliding groove is formed in the fixing block; a supporting transverse rod is arranged in the second sliding groove; one end of the supporting transverse rod is movably in contact with the second sliding groove; the other end of the supporting transverse rod is horizontally fixed to the inner cylinder; an arc-shaped groove is formed in the side wall of the first sliding groove along the direction of the first sliding groove; and due to the matching of the arc-shaped groove and the elastic clamping sheets, the adjusting base can be fixed. The antenna fixing apparatus is steady in structure; and the signal receiving and transmission accuracy of the antenna is improved by additionally providing the signal receiver and the adjusting base.

The invention discloses high-temperature early warning device for power equipment. The device comprises a power equipment housing and a detector, and the lower end of the power equipment housing is fixedly provided with four equipment supporting columns in a riveted manner. The left side of the upper end of the power equipment housing is fixedly provided with a control board through welding, and the upper end of the power equipment housing is fixedly provided with a first seat stand, located at the right side of a control panel, through welding. The upper end of the seat stand is fixedly connected with a second seat stand through a vertical column, and the upper end of the second seat stand is fixedly provided with a vertical rod through welding. The upper end of the vertical rod is fixedly provided with a detector through welding, and the upper end of the vertical rod is fixedly provided with a rotating ring in a riveted manner. The upper end of the rotating ring is fixedly provided with a mark pole through welding, and the upper end of the mark pole is fixedly provided with a wind indicator in a riveted manner. The upper end of the power equipment housing is fixedly provided withan alarm lamp located at the right side of the first seat stand. The upper end of the power equipment housing is fixedly provided with a buzzer located at the right side of the alarm lamp. The rightside of the upper end of the power equipment housing is fixedly provided with an instrument panel. The device is remarkable in effect of high-temperature early warning.

The present invention provides an ultraviolet spectrophotometer and a detection system thereof. The ultraviolet spectrophotometer is characterized by comprising two sets of optical path assemblies, wherein each optical path assembly comprises a lens installation part, a converter installation part, a double-convex condensing lens, a photoelectric converter and a spring, and the lens installation part and the converter installation part are connected through first threads and second threads. According to the present invention, connection and disassembly of the lens installation part and the converter installation part can be conveniently achieved so as to provide convenience for replacement of the double-convex condensing lens, avoid rick of damage on the lens installation part and the converter installation part due to replacement of the double-convex condensing lens, improve the secondary utilization rate of the part, easily determine the position of the installation hole after threaded connection of the converter installation part and the lens installation part, and easily achieve smooth installation of the photoelectric converter.

The invention discloses an artificial intelligence touch screen installing and placing device. The device comprises a bottom plate, a base is arranged above the bottom plate, the base is installed at the top of the bottom plate, and a placing assembly is arranged above the base. Through the meshing connection relation between a second gear and a third gear and the one-way clamping connection between a ratchet wheel and a pawl, a first handle is rotated to drive the second gear and a first gear to rotate at the same time, then through the meshing connection relation between the first gear and a plurality of tooth grooves machined in the right end of a round rod, the round rod and a long plate are lifted upwards at the same time, the height of an intelligent touch screen is made to be matched with the operation height of an operator, the left end of the pawl and the ratchet wheel are not kept in a one-way abutting state any more, then the first handle is reversely rotated, then a short rod at the right end of the ratchet wheel is loosened, the first handle is rotated again, the device is made to be matched with other people again, therefore, the adaptability of the device to people with different heights is greatly facilitated, and the applicability of the device is wider.

The invention provides a sensor element with improved air inlet. The element (110) has an electrode (124) separated from a measurement gas chamber (114) by a layer of a laminated structure (112) and connected to the measurement gas chamber by a gas access path (128). The gas access path is provided with a gas passage opening (130) comprising two cylindrical or conical zones (148, 152) having different diameters. Maximum diameter of the gas passage opening is at a level of an upper surface (116) of the laminated structure. The electrode is placed in an electrode cavity (126). An independent claim is also included for a method for manufacturing a sensor element.

The invention belongs to the technical field of monitoring systems, in particular to an airport runway monitoring system. The airport runway monitoring system comprises a fixed seat, a signal input module, a voice module, a control unit, a power supply module, and an alarm module. The signal input module, the voice module, the power supply module, and the alarm module are all connected to the control unit; the top of the fixed seat is provided with a sliding slot; a support column is slidably mounted in the sliding slot, and the top of the support column extends outside the sliding slot; a first rotating shaft slot is arranged in the inner wall of the sliding slot near the support column, and a second rotating shaft slot is arranged in an inner wall of the sliding slot away from the support column; the first rotating shaft slot and the second rotating shaft slot are rotatably installed with a same first rotating shaft; and a gear groove is arranged on the top of the fixed seat. The airport runway monitoring system is scientifically designed, and is convenient to use, and the camera is easy to move and rotate. The airport runway monitoring system can effectively reduce the cost of installing a monitoring system, while avoiding the risk of monitor damage, reducing the monitoring blind zone and ensuring the normal take-off and landing of the aircrafts.

The invention provides a demolding breathable felt as well as a preparation method and application thereof. The preparation method of the demolding breathable felt comprises the following steps of opening, carding and needling polypropylene fibers in sequence to obtain an initial breathable felt; and finally, performing single-face ironing on the obtained initial breathable felt to obtain the demolding breathable felt. The surface of the demolding breathable felt obtained after single-face ironing is smoother, the polypropylene fibers on the surface can be effectively prevented from falling off when the demolding breathable felt is applied, meanwhile, glue can be prevented from overflowing, and the demolding breathable felt has important research value.

The invention discloses a printing device, which comprises a box-shaped shell (14) and a printer arranged in the box-shaped shell (14), wherein the printer comprises a printer mounting frame (2) and a paper shaft (4); the paper shaft (4) is arranged on the printer mounting frame (2); the printer mounting frame (2) can be pivoted to an inclined disassembly position from a vertical mounting position at which the printer works normally; and at the inclined disassembly position, the printer stops operating, and the paper shaft (4) can be taken out from the printer mounting frame (2). Through mounting the main body part of the printer on the box-shaped shell in a pivoted mode, the main body part of the printer can be pivoted to the inclined disassembly position, a user can disassemble the paper shaft and replace the paper shaft more easily, and in comparison with a method of dragging the whole printer out, the operation steps can be simplified, a large amount of manpower can be saved, the efficiency is provided, and the danger of part damages brought by large-range moving can be avoided.

The invention relates to the technical field of building seismic mitigation and absorption, in particular to a displacement conversion device, a displacement decomposition device and an energy dissipation device for building seismic mitigation and absorption. The displacement conversion device comprises a displacement part, a transmission assembly and a rotary output shaft. The transmission assembly is in transmission fit with the displacement part and the rotary output shaft, and the transmission assembly converts displacement of the displacement part into rotation of the rotary output shaft.When an earthquake happens, the displacement part moves along with an upper component of a building structure, the transmission assembly converts movement of the displacement part into rotation of the rotary output shaft, the rotary output shaft is connected with a disc damper, thus, the problem that an included angle is formed between the working direction of the damper and the axial direction of the damper is directly avoided, and then resulting adverse influences are avoided; for the disc damper, high energy dissipation efficiency can be provided, no adverse influences such as environmental pollution and oil leakage are brought, and the structural reliability of the device is greatly improved.

The invention aims at improving the arrangement for connecting the edges of two end strips as described in DE-40 09 259. According to the invention, the improved arrangement for connecting the edges of a strip of a locking or compression ring enables enhanced tensile load. By comparison with the arrangement described in DE-40 09 259, the inventive connection has a tongue-like projecting part (21) exhibiting two interspaced lateral sections or brackets (23, 25, 27, 29) in the longitudinal direction of the strip. Said brackets engage in corresponding recesses located in the other section of the strip (5).

The invention provides an automatic supplementing anti-falling sucker seat for an intelligent manufacturing type automobile mobile phone support, and belongs to the technical field of mobile phone support seats for automobiles. The automatic supplementing anti-falling sucker seat comprises a fixed seat, a ball sleeve is fixedly arranged in the fixed seat, a universal ball is movably embedded in the ball sleeve, and the top end of the universal ball is fixedly connected with a telescopic piece. A swing block is fixedly connected to the end, away from the universal ball, of the telescopic piece, an elastic limiting piece is connected between the swing block and the telescopic piece, the fixed seat communicates with a ball cover, and a limiting layer is arranged in the ball cover. According to the automatic supplementing anti-falling sucker seat for the intelligent manufacturing type automobile mobile phone support, the swing block is used for driving a sliding rod, automatic pressurizing treatment is conducted on the sucker seat in cooperation with a contact plate, an inflation layer and an automatic supplementing mechanism, the stability of the sucker seat is improved, then the stability of connection between the mobile phone support and an automobile body is correspondingly improved, the situation that a mobile phone shakes abnormally and falls off is effectively avoided, and the situations that the mobile phone is damaged and driving is dangerous are greatly reduced.