69results about How to "Avoid contact damage" patented technology

An apparatus and method of removing scale from the surfaces of processed sheet metal and tubular metal employs a scale removing medium propelled by counter-rotating pairs of wheels positioned in close proximity to the metal surfaces.

An apparatus and method of removing scale from the surfaces of processed sheet metal employs a scale removing medium propelled by counter-rotating pairs of wheels positioned in close proximity to the sheet metal surfaces.

The invention relates to a method of manufacturing a composite acoustic panel employed in an inlet passage of a gas turbine engine (1). The acoustic panel comprises a permeable face-layer (8), an impermeable backing sheet (9) and a sound absorbing layer (10) disposed therebetween. The method comprises a double polymerisation process for the face-layer and the remainder of the acoustic panel and finally a perforation step to perforate the face-layer according to a pre-determined perforation distribution (11.1, 11.2, 11.3, 11.4, 11.5).

A touch screen panel according to an embodiment includes an electrode forming part including a plurality of first electrode serials arranged in parallel on a substrate in a first direction and a plurality of second electrode serials arranged on the substrate to cross over the first electrode serials; and a routing wire forming part formed on the substrate, and including a plurality of first routing wires respectively connected to the plurality of first electrode serials and a plurality of second routing wires respectively connected to the plurality of second electrode serials.

The invention relates to a conveying joint device for cops and bobbins for spinning and doffing connection. The device comprises a stirring plate arranged at the joint between first pallet conveying track and a second pallet conveying track, a pallet output mechanism, a pallet input mechanism, multiple pallets and multiple pallet support assemblies. The multiple pallets and the multiple pallet support assemblies are used for placing cops and bobbins. The stirring plate is used for stirring pallets which are conveyed to the joint and. Clamping positioning of the above pallets is released. The stirring plate is coaxially installed onto a guide wheel. The pallet output mechanism is used for automatically conveying all pallets separated from the pallet support assemblies to the second pallet conveying track. The pallet input mechanism is used for automatically conveying all the pallets outputted by the second pallet conveying track to the pallet support assemblies of the first pallet conveying track. Therefore, the purpose of automatically conveying pallets in a reciprocating manner between an automatic winding machine and an automatic doffing and spinning machine is fulfilled. As a result, connection between the automatic doffing and spinning machine and the automatic winding machine is realized. The device is reasonable and compact in structure and helps reduce the conveying process. Spindle speed and production efficiency of the spinning machine can be greatly increased.

A method for sealing coaxial contacts of a partition bushing connector to seal hermetically a connector (C) of the type which consists in inserting the contacts (300) constituting the connector to the inside of the recessed part (130) of said support (100) and in filling the free volume left between the contacts (300) and between said support (100) and said contacts (300) constituting the connector (C) with a resin (R). Said method is characterized in that it consists, prior to inserting said contacts (300) inside the recessed part (130) of the rigid support (100), in filling with a resin (R), the free volume left between the inner surface of the tube (330) and the rod (340) constituting each coaxial contact (300). The invention also concerns the adapted coaxial contact (300) for implementing the method and the connector (C) obtained by said method. The invention is applicable to fittings for hermetically sealing coaxial connectors.

The invention discloses an automatic polishing robot device for a large-sized workpiece in order to solve the problems that the polishing efficiency is low, the polishing precision is low, the processing environment is poor, the continuous operation is difficultly realized and the like when the large-sized workpiece is processed by the existing processing technology. A grinding device is mounted at the tail end of an industrial robot; a buffer spring is arranged between an upper contact plate and a lower contact plate; clamp springs are arranged in annular grooves; a drive motor is arranged in the buffer spring; grinding paper is closely attached on the lower end face of a vacuum chuck; a concave cavity is formed in the lower end face of a resin cover; the vacuum chuck is arranged in the concave cavity; a buffer assembly is arranged in a center hole of the resin cover; the clamp springs are clamped in radial grooves of the center hole; annular felt is attached to the lower end face of the resin cover; two air suction openings and two blowing openings are formed in the resin cover; each negative pressure absorption device is corresponding to one blowing opening; and each negative pressure absorption device is connected with the corresponding blowing opening by a pipeline. The robot automatic polishing device for the large-sized workpiece is used for the surface grinding processing of the large-sized workpiece.

An insulative connector body is accommodated in a conductive shield case. A conductive contact is provided on the connector body. An insulative cover is accommodated in the shield case so as to be slidable between a first position for concealing the contact and a second position for exposing a part of the contact and allowing a mating connector to electrically contact therewith. A conductive shield member is attached onto a front face of the cover which faces the mating connector.

A preferred embodiment of a revolution counter tool and method employs an adapter shaft with input and output ends coupled in-line between a driven part and a driving part, and an intermediate portion between the input and output ends that is coupled to a rotary encoder and encoder circuit. A memory counter circuit maintains a count of turns and increments of the driven part by the driving part, and a reference setting circuit sets a reference setting of the memory counter circuit when a count is to be taken. The device body has a first portion mounting the adapter shaft with the rotary encoder, an intermediate housing containing the memory counter circuit, and a second portion at a distance from the first portion and of a sufficient mass that acts to orient the device body to a gravity-determined position as a reference position. The memory counter circuit receives output signals from the rotary encoder circuit and maintains a count relative to a reference setting using the reference position of the device body as indexed by gravity.

The invention provides a separating device for sea fish and sea shrimps and belongs to the technical field of aquatic product processing. The separating device solves the problem of separating sea fish and sea shrimps in the prior art. The separating device for sea fish and sea shrimps comprises a groove for fish, shrimps and seawater to pass through and fish and shrimp collecting devices. The separating device is characterized in that the groove comprises a bottom plate, a left lateral plate and a right lateral plate; electrodes are arranged on the left lateral plate and the right lateral plate; a magnet is arranged under the bottom plate; and the left fish and shrimp collecting device and the right fish and shrimp collecting device are arranged at the outlet position of the groove. The separating device separates the fish and the shrimps through electric stimulus response difference of the shrimps and fish, is not limited by relative sizes of the fish and the shrimps and is suitable for live fish and live shrimps.

A switch apparatus of the invention can avoid contact damage without inviting a drastic increase in a size even when applied to a high power source voltage and does not deteriorate return feeling to a neutral state. The switch apparatus includes a switch A for cutting off connection between one side driving input of a DC motor and a negative plate side power source, a switch B for cutting off connection between the other side driving input and the negative plate side power source, and a switch C for cutting off connection between the one side driving input and the positive plate side power source and connection between the other side driving input and the positive plate side power source, wherein the switch A and the switch B are normally-closed type switches and the switch C is a normally-open type switch. The switch C is opened at a predetermined time before the switch A or the switch B is closed, and cuts off in advance a power source route to avoid the occurrence of dead short-circuit. When the switch C has a slide type structure, switch feeling of contacts of the switch C can be improved.

The invention relates to an assembly type cement pavement construction method. A leveling layer is arranged on the lower portion of an assembly board, and a starting point assembly board, a middle assembly board and an end assembly board are laid on the upper portion of the leveling layer in sequence; a positive step interface and an inverted step interface are arranged in the connection positions of the assembly boards correspondingly; the end portions of the outer sides of a starting point end assembly board and a terminal point end assembly board are provided with lateral sway prevention buttresses and displacement side limiting pile connection holes; after the assembly boards are laid, displacement side limiting piles are driven into a lower structural layer of a pavement through the displacement side limiting pile connection holes; and finally, post-glue injection construction is conducted on seams and a seam resisting steel board is installed. The procedures are simple, the construction period of the cement concrete pavement can be greatly shortened, and various damages of the cement pavement can be prevented effectively.

The present disclosure relates to a wafer leveling device which comprises a carrier module, a fixture module and a dynamic module. A wafer, which is conveyed to and stays above a claw component of the carrier module by a robotic arm, is further carried by the lifted claw component for a continuous ascent until the wafer is contacted by a ring component of the fixture module; the clamp component of the fixture module releases the ring component; the claw component, the ring component and the wafer, all of which keep stabilized mutual positions, are lowered so that several protrudent structures on a base component of the carrier module contact the wafer; the claw component, the ring component and the wafer which completes a manufacturing process are lifted; the carrier module and the wafer are lowered with the clamp components stabilizing the ring component.

The invention provides portable soil pollution diagnosis equipment and belongs to the field of soil diagnosis. The portable soil pollution diagnosis equipment comprises a detection probe and a sampling bucket; a filter plate is horizontally arranged in the sampling bucket, is connected with the sampling bucket through a thread structure and divides an inner cavity of the sampling bucket into an upper cavity and a lower cavity; a hollow rotating shaft is arranged in the upper cavity, the upper end of the rotating shaft extends out of the sampling bucket, the rotating shaft is axially and fixedly connected with the sampling bucket, the lower end face of the rotating shaft is propped against the filter plate, the inner cavity of the rotating shaft is staggered with a filter hole, and an annular stirring blade is sheathed and fixed outside the lower end of the rotating shaft, and a motor capable of driving the rotating shaft to rotate is fixedly arranged on the top wall of the sampling bucket; a holding rod is vertically arranged in the rotating shaft, the upper end of the holding rod extends out of the rotating shaft, and the lower end of the holding rod is fixedly connected with thefilter plate; a through hole is formed in the side wall of the sampling bucket in a penetrating manner in the radial direction of the sampling bucket and is communicated with the upper cavity; the detection probe is rod-shaped, is inserted in the through hole, can slide in the radial direction of the sampling bucket and enables the detection end to be positioned in the upper cavity. The portable soil pollution diagnosis equipment provided by the invention has the advantage of being high in detection accuracy.

The invention relates to the technical field of automatic cutting, and discloses an automatic cutting machine and a cutting method thereof. The adjustment amount of a cutting knife is obtained according to the position relation between the lowest end of the cutting knife and a table surface; the adjustment amount is the vertical distance between the lowest end of the cutting knife and the table surface; if the adjustment amount of the cutting amount is not 0, up and down position of the cutting knife is adjusted until the adjustment amount of the cutting knife is 0. When the automatic cutting machine adopts the method to conduct cutting, the position of the cutting knife can be adjusted in real time; the distance between the cutting knife and the table surface can be maintained; the lowest end of the cutting knife is enabled to be arranged above the surface of the table surface, so as to promote the cutting effect; not only is cutting ensured to be complete, but also contact and damage of the cutting knife and the cutting table surface can be avoided.

The invention discloses an anti-abrasion device for a casing pipe. The device comprises a rolling ball seat which is of a barrel-shaped structure, the rolling ball seat is arranged outside a pipe body in a sleeving mode, the inner wall of the rolling ball seat is provided with rubber, the outer wall of the rolling ball seat is provided with a support frame in the axial direction, and the support frame is provided with multiple rolling balls, the rolling balls protrude out of the support frame so that rolling can be achieved. According to the anti-abrasion device, the rubber is added to the inner side of a protecting cover, and metal-metal contact damage between the protecting cover and a drill pipe and an oil pipe is avoided; the rolling balls are added to the outer side of the protecting cover, when pipe columns are lifted or descended or vibrated or rotated, sliding friction among the pipe columns can be changed into rolling friction, and thus abrasion of the casing pipe is reduced.

The invention provides a ground-source cooling device applicable to a solar power generating system. The ground-source cooling device applicable to the solar power generating system comprises a circulating medium and an underground circulating cooling system, wherein the underground circulating cooling system is arranged under the ground surface, absorbs heat brought by the circulating medium through underground soil and releases the heat to environment through the ground surface, thereby achieving an aim of reducing the temperature of the circulating medium. The ground-source cooling device applicable to the solar power generating system takes advantages of the land area occupied by the solar power generating system to the maximum extent, has the characteristics of low construction cost and simple and reliable operation, and overcomes limitation that a turbine cooling system in a solar photothermal power generating technology can only adopt an air cooling technology within a special area.

The invention relates to a compacting intertillage weed extractor. The compacting intertillage weed extractor comprises traction equipment, a machine frame connected behind the traction equipment, a compacting wheel, a soil leveling plate group and a scratching shovel group, wherein the compacting wheel, the soil leveling plate group and the scratching shovel group are sequentially mounted on the machine frame from front to back, the soil leveling plate group comprises a plurality of soil leveling plates which are continuously arranged in the left-right direction, and the front ends of the soil leveling plates are connected with the machine frame through transverse springs; and the scratching shovel group comprises a plurality of scratching shovels arranged in the left-right direction, the scratching shovels are correspondingly located right behind the soil leveling plates, and the soil leveling plates are connected with the scratching shovels right behind the soil leveling plates through lever devices. According to the compacting intertillage weed extractor, the leveling plates and the scratching shovels are connected through the lever devices, the scratching shovels are driven to move up and down by means of the friction resistance difference of plants and soil on the soil leveling plates, and when the leveling plates slide on crop plants, the scratching shovels tilt to be higher than the ground, so that the scratching shovels are prevented from touching and damaging crops; and when the land leveling plates slide on the soil between two rows of crop plants, the scraping shovels are pushed to fall down and be inserted into the soil, and intertillage soil loosening and hoeing between the rows are carried out.

The invention provides a soil pollution detection apparatus, which belongs to the field of soil diagnosis, and solves the problems of poor detection precision of the current soil pollution detection apparatuses. The soil pollution detection apparatus comprises a detection probe and a material-taking rod presenting a hollow straight rod state, the top and the bottom of the material-taking rod respectively present an enclosing state and an opening state, a filter board capable of sliding up and down is arranged in the material-taking rod, an inner chamber of the material-taking rod is divided into an upper chamber and a lower chamber by a filter board, the upper chamber and the lower chamber are communicated through a filter aperture at the filter board, a screw is vertically arranged in theupper chamber, the lower end of the screw is fixedly connected with the filter board, a threaded aperture is arranged at the upper wall of the material-taking rod in a penetrating mode, the upper endof the screw passes through the threaded aperture, the screw is subjected to bolt joint with the threaded aperture, an air pump is fixed at one side of the upper end of the material-taking rod, a gasport of the material-taking rod is communicated with the upper chamber, the through hole is arranged at the sidewall of the upper end of the material-taking rod, the detection probe is arranged in athrough hole in a slidable mode, and a detection end of the detection probe is positioned in the upper chamber. The soil pollution detection apparatus has the advantage of high detection precision.

Disclosed is FLASH chip detection equipment comprises a base, the top end of the base is fixedly connected with a supporting frame, the two ends of the supporting frame are movably sleeved with gears respectively, the front faces of the gears are fixedly connected with fixing discs, rail grooves are formed in the front faces of the fixing discs, and the outer portions of the gears at the two ends are movably sleeved with a conveying belt; tooth blocks are fixedly distributed on the inner wall of the conveying belt at equal intervals, the conveying belt is in gear meshing connection with the gear through the tooth blocks, and a motor, a third supporting rod, a movable stud, a second supporting rod, a first supporting rod, the gear and the fixing disc are arranged for transmission in a matched mode, so that the second supporting rod rotates in a rail groove in the fixing disc; therefore, the gear intermittently drives the gear block and the conveying belt to operate, the purpose of intermittent and pause transmission of the conveying belt is achieved, detection time is provided for chip conveying detection in the later period, and the working efficiency is improved.

A switch device for rotating and stopping a DC motor includes a first switch element having two moving contacts, two normally open NO contacts and two normally closed NC contacts, a second switch element having one or two normally closed NC contacts, and an operating element. The operating element serves to connect the two moving contacts individually to input terminals of the DC motor, the two NO contacts to a voltage source line at a higher voltage, and each of the two NC contacts of the first switch element to another voltage source line at a lower voltage such as the ground potential, each through the NC contact, or one of the two NC contacts, of the second switch element. The NC contact of the second switch element is maintained in an open condition during a period from when either one of the NO contacts begins to change from a closed condition to an open condition until the corresponding NC contact of the first switch element finishes changing from an open condition to a closed condition.

A protective device is positioned on poles in vehicle lifts or hoists. The device has:two arms having an outer surface and an inner surface;each inner surface having a magnetic layer;inner surfaces of the two arms forming an interior angle between 30 degrees and 150 degrees;outer surfaces of the arms forming an exterior angle of between 330 degrees and 210 degrees; andthe external angle supporting a cushioning element comprising an elastomeric, compressive tube.

The invention relates to a pseudo soldering detection method, a pseudo soldering detection device and a preparation method of a lithium battery, wherein whether pseudo soldering exists in a first welding piece welded on a second welding piece can be detected, the first welding piece has magnetism, and the second welding piece does not have magnetism. The detection method comprises: arranging a magnetic component, and during detection, placing a first welding piece and a second welding piece on one side of the magnetic component, wherein the first welding piece is opposite to the magnetic component; arranging a distance obtaining component for obtaining distance information between the first welding piece and the second welding piece; and determining the distance between the first welding piece and the second welding piece according to the obtained distance information, comparing the maximum value with a set threshold value, and if the maximum value is greater than the set threshold value, determining that the first welding piece is pseudo soldering. According to the invention, non-contact detection is adopted, so that the damage of a detection piece caused by contact can be avoided, the product yield can be improved, detection can be carried out immediately after welding is completed, and the waste of materials and manpower in subsequent procedures caused by poor welding is avoided.

The invention discloses a combined metal oxide lightning arrester structure in the technical field of lightning arresters, and the combined metal oxide lightning arrester structure comprises a metal oxide lightning arrester body, a threaded connection part, a connection ring and the like; a nail penetrates through a positioning hole to fix an L-shaped connection plate and a mounting plane, so a left holding ring and a right holding ring are fixed on the mounting plane, and the lightning arrester body is fixed on the left holding ring and the right holding ring. The fastening nut is screwed on the fastening bolt, so that when the left embracing ring and the right embracing ring play a role in fastening the metal oxide lightning arrester body, the connection between the left embracing ring and the connecting ring and the connection between the right embracing ring and the connecting ring are firmer through the connection between the annular connecting groove and the arc-shaped connecting sleeve, and meanwhile, the contact damage to the metal oxide lightning arrester body is avoided.