39results about How to "Prevent pinch off" patented technology

The invention relates to an anchorage device, in particular to a carbon fiber plate anchorage device used in civil engineering and building construction. The anchorage device consists of an anchor plate and a clamping piece; the anchor plate is a whole part and is internally provided with a wedged-shape through hole, the clamping piece is a two-piece type wedge block, the clamping piece is wedged into the anchor plate for tightly clamping the carbon fiber plate, then the wedge block is in close fit with the wedged-shape through hole in the anchor plate; the anchor plate is of a cylinder with rectangular or square or elliptic or circular cross section, the anchor plate is internally provided with the wedged-shape through hole with the rectangular or square or elliptic or circular cross section and tapering longitudinal section, and the folding contour formed after the clamping piece is wedged into the anchor plate for tightly clamping the carbon fiber plate is the same as that of the wedged-shape through hole with the rectangular or square or elliptic or circular cross section and tapering longitudinal section in the anchor plate; the clamping face of the clamping piece has a layer of a contact reinforcing material of the carbon fiber plate; and the contact surface of the clamping piece and the anchor plate is coated with lubricating oil or lubricating grease. The anchorage device has the advantages of reliable anchoring property, simple and compact structure, convenient manufacture, construction and operation, high efficiency and various shapes, and the anchorage device can meet the requirement of different construction environments.

The invention relates to a duplex skin-removing device and method for poultry paws. The duplex skin-removing device for poultry paws comprises a rack, two vertical paw-removing apparatuses, a feed distribution mechanism, a power mechanism and a programmable PLC (programmable logic controller) control device, wherein the two vertical paw-removing apparatuses are arranged on the rack side by side, the feed distribution mechanism is arranged on the two vertical paw-removing apparatuses, the power mechanism is arranged below the rack, and the programmable PLC control device is used for controlling the vertical paw-removing apparatuses and the feed distribution mechanism. In the invention, two vertical paw-skin removing cylinders are connected together side by side, the feed distribution mechanism is added on the two vertical paw-skin removing cylinders, a manual discharge door of an original vertical paw-skin removing machine is changed into a pneumatically-controlled automatic door, and an alternating operating order of feeding, paw machining and discharging of the two vertical paw-skin removing cylinders is controlled by the programmable PLC control device. In such a way, the device disclosed by the invention inherits the advantage (the paw-broken rate is low) of a vertical paw-skin removing machine and the advantage (the machine can carry out continuous production) of a horizontal paw-skin removing machine, and solves the problem of high paw-broken rate existing in the horizontal paw-skin removing machine and the problem that the vertical paw-skin removing machine is required to be operated by labor power. The reduction of the paw-broken rate means that a large amount of economic losses (caused by a chicken-paw broken rate) of a factory using the device disclosed by the invention can be reduced, and the production efficiency is greatly improved.

The invention discloses a fully automatic diamond saw blade welding machine, which comprises a first mechanical arm, a second mechanical arm and a support arm, the first mechanical arm and the second mechanical arm are located on one side of the support arm, and the second The mechanical arm is located above the first mechanical arm, one end of the first mechanical arm is fixedly connected to the support arm, one end of the second mechanical arm is slidingly connected to the support arm, and the first mechanical arm is provided with a The moving mechanism of two mechanical arms, and the first mechanical arm is connected with the second mechanical arm through the moving mechanism. The first rotating seat on the side of the stepper motor. The invention has the advantages of simple structure, high efficiency and practicality, more stable clamping of the welding wire, and is not easy to fall off, and the buffer spring can prevent the welding wire from being pinched due to excessive clamping force, thereby meeting people's use requirements.

The invention discloses a carbon fiber board prestress tension clamp which comprises a clamping sleeve with a wedge-shaped through hole, a wedge-shaped clamping piece used for clamping a carbon fiber plate, a connecting plate detachably fixedly arranged at the big opening end of the wedge-shaped through hole, and a tension rod fixedly arranged on the connecting plate, wherein the wedge-shaped clamping piece is used for clamping the carbon fiber plate and then is wedged into the clamping sleeve to be matched with the wedge-shaped through hole. The carbon fiber board prestress tension clamp is characterized in that the wedge angle of the wedge-shaped clamping piece is more than that of the wedge-shaped through hole, which can lighten the stress concentration at the small end of the wedge-shaped clamping piece, is beneficial to transferring the tension force inside the clamp and prevents the carbon plate from being broken during the tesnion. The cylindrical clamping sleeve is adopted to ensure that the thickness of the clamping sleeve at the middle along the width direction of the wedge-shaped clamping piece is biggest, which can reduce the transverse deformation of the clamping sleeve, is beneficial to the uniform force of the carbon fiber plate in the width direction and prevents carbon fibers at the side of the carbon fiber plate from being broken, therefore, the clamp has better clamping property. A pre-ejecting and ejecting-retreating device is matched with the clamp, therefore, the prestress tension operation with high-quality and high speed and efficiency of the carbon fiber plate can be realized.

Disclosed is a sealing method for a degassing tube. A first end of the degassing tube is connected with vacuum equipment, a second end of the degassing tube is connected with a vacuum sheath, and the sealing method is executed after vacuumizing treatment is performed in a heating environment. The sealing method includes the steps: separating the first end of the degassing tube from the vacuum equipment; performing heat treatment for the first end of the degassing tube at the temperature of 900-1100 DEG C; pinching the first end after heat treatment for multiple times to form a plurality of pinched positions; and pinching off the pinched position farthest away from the vacuum sheath. The sealing method for the degassing tube can be used for solving the technical problems that vacuum degree in the vacuum sheath cannot be maintained, and gaps and gas leakage occur in subsequent sheath cooling, storage and transportation process, and has the advantages of simple process, convenience in operation and fine sealing effect.

The invention provides an image sensor and an image sensor forming method. The image sensor forming method comprises the steps of providing a semiconductor substrate; forming a gate structure which covers partially semiconductor substrate on the semiconductor substrate; forming an N-type doped region in the semiconductor substrate at one side of the gate structure; forming a sacrificial layer on the surface of the sidewall of the gate structure, wherein the sacrificial layer at one side of the gate structure covers partial N-type doped region; forming a P-type pinning layer on the surface, which is not covered by the sacrificial layer, of the N-type doped region; and removing the sacrificial layer for exposing partial N-type doped region which is not covered by the P-type pinning layer. The image sensor forming method can improve performance of the image sensor.

The invention discloses a hair divider, which comprises a first and a second clamp plates, wherein the first clamp plate is provided with a first heating plate, the second clamp plate is provided with a second heating plate, and a preset clearance which is 0.06mm-0.12mm in width is arranged between the first and the second heating plates when the first and the second clamp plates are arranged in a closed state. When the number of the hairs between the first and the second heating plates is less, the first and the second clamp plates are close to a closed state during the use process, because the 0.06mm-0.12mm preset clearance is arranged between the first and the second heating plates, the diameters of the hairs of people are about 0.08mm, the less hairs between the first and the second heating plates can not be closely clamped when the first and the second clamping plates are closed, the clamping force to the hairs is greatly reduced when the first and the second clamping plates are closed, the hairs can smoothly pass through the preset clearance, the less hairs are prevented from being pinched off when the clamping force of the first and the second clamping plates is too large, and the hair quality is prevented from being damaged.

The invention discloses a reciprocating wire cut electrical discharge machining tool. The tool comprises a wire storage mechanism (400) and a wire conveying mechanism (500), the wire conveying mechanism (500) comprises a first main guide wheel (505), a second main guide wheel (506) and a first guide wheel (525), in a space rectangular coordinate system taking X, Y, and Z axes as the coordinate axes; a wire electrode (600) can sequentially bypass the first guide wheel (525), the first main guide wheel (505) and the second main guide wheel (506) from the wire storage barrel (402), and the wireelectrode (600) located between the first main guide wheel (505) and the second main guide wheel (506) inclines relative to the horizontal plane or is parallel to the horizontal plane. According to the reciprocating wire cut electrical discharge machining tool, transverse cutting of the high-speed wire cut electrical discharge machining tool can be achieved, and therefore the situation that beforecutting is finished, a workpiece is broken along a kerf, and an electrode wire is pinched off can be avoided.

The invention discloses a bamboo stick automatic counting device, comprising a stick bucket, wherein a first gear and a second gear in mutual engagement are arranged below the exiting port of the stick bucket, a first roller and a second roller are arranged below the first gear and the second gear, the spacing between the first roller and the second roller is smaller than the diameter of a stick,the first roller and the second roller are both made of elastic material, a deformation sensor is arranged on the first roller or the second roller, and the deformation sensor is electrically connected with a counter. The gap between the two gears when meshing is used to separate and orderly transmit the sticks, and the cumulative number of deformations of the deformation sensor is used to reflectthe total number of the sticks, so that the counting of hotspicy sticks can be completed accurately and quickly instead of manual counting, thereby reducing the manual workload.

The invention provides a pet excrement pickup device convenient to use. The device comprises a fixing base, a sliding groove is formed in the bottom of the fixing base, a sliding cavity is formed in the bottom of the inner wall of the sliding groove, a fixing plate is slidably connected with the inner wall of the sliding cavity, and a sliding rod is fixedly connected with the side, close to the sliding groove, of the fixing plate; the end, away from the fixing plate, of the sliding rod penetrates through the sliding groove and extend out of the fixing base, a baffle is fixedly connected with the end, located outside the fixing base, of the sliding rod, a reset spring is fixedly connected with one side of the fixing plate, and the end, away from the fixing plate, of the reset spring is fixedly connected with the inner wall of the sliding cavity. The invention relates to the technical field of pet products. The pet excrement pickup device convenient to use is higher in pickup efficiency,good in sweeping effect and adaptability, capable of achieving the temporary storage function, convenient to clean, capable of preventing people from bending down or squatting down for operation andconvenient and attractive to use, and the storage device is detachable and convenient to clean.

The invention discloses a safety door with an adhesive tape. The safety door is characterized by comprising a body (1), a door lock (2) is arranged on one side of the body (1), a notch (3) located under the door lock (2) is arranged on one side where the door lock (2) is located, of the body, an anti-pinch plate (4) is arranged in the notch (3), and the anti-pinch plate (4) is connected to the body (1) through spring hinges (5); two blocks (6) are respectively arranged on upper and lower ends of the one side of the anti-pinch plate (4) and close to the body (1), and the hollow adhesive strip (7) connected with the anti-pinch plate (4) is arranged in the space formed by the blocks (6), the body (1) and the anti-pinch plate (4); the adhesive tape (7) is of a square pipe made from a silicon rubber material. The safety door has the advantages that the situation that children's fingers are pinched or even pinched off between the door and a door frame is avoided, and the children's fingers cannot be injured evenly pinched between the anti-pinch plate and the body.

The invention provides a construction hoist cable device, which comprises movable bolts A and a transverse cable tray, wherein steel plate inserting ports A are provided with lateral cable outlets in the lateral direction of the transverse cable tray; a type A flange, a type B tray, an additional steel plate, a cable clamping plate, a reinforced rib plate and another additional steel plate are welded at the bottom of the type B tray; the cable clamping plate is welded with the type B tray at an angle of 90 degrees; the reinforced rib plate is welded in the included angle of 90 degrees to form a whole body; the type A flange is welded on the interfaces of the transverse cable tray and the type B tray respectively and are fixedly connected through the bolts A; a diagonal bar, a steel plate inserting port B and a movable bolt B are used for welding the steel plate inserting port B at specified positions on the transverse cable tray and a lifting cage respectively. The construction hoist cable device has the advantages of scientific and reasonable design, simple structure, prevention of a hoist cable from being fractured by clamping, reduction of the loss of an anti-falling device, high safety, stable performance, prevention of cable puncture, high insulating performance and higher working efficiency.

Industrial micro-CT devices are widely applied in the field of crude oil extraction, but because micro-CT devices is limited in size and present commonly used rock core clamping devices are overlargein size, complex in structure, and the like, scanning researching on a dynamic multi-phase displacement process in a rock core test piece cannot be performed with the micro-CT devices. The invention provides a rock core clamping device for visualized researching of a porous medium dynamic percolation process with a micro-CT device. Through the clamping device, the micro-CT device can perform on-line observation and analysis on a dynamic percolation process in a porous medium effectively. A main body includes a clamping unit and a displacement unit, is formed by a PEEK material having low X raypenetration loss and AB glue, and can tolerate certain pressure. The clamping device can be put, based on a miniaturization design, into a micro-CT device testing cavity to perform on-line testing ofa dynamic multi-phase displacement process in a rock core test piece in the cavity, and after the test is finished, the clamping device can be used again only by simply changing a sleeve.

The invention relates to the technical field of agricultural machinery, in particular to a tensioning structure of chains for a garlic harvesting equipment conveyor. Multiple tensioning chain wheel assemblies are alternately arranged left and right, wherein a tensioning chain wheel of the left tensioning chain wheel assembly rightwards presses the right side of a left chain under the elastic force action of a tensioning chain wheel spring, so that the right side of a section of the left chain and the left side of a section of the right chain abut against each other. A tensioning chain wheel of the right tensioning chain wheel assembly leftwards presses the left side of the right chain under the elastic force effect of a tensioning chain wheel spring, and therefore the left side of the section of the right chain and the right side of the left chain abut against each other. The left chain or the right chain is provided with a horizontal sheet-shaped soft cushion, a bent-angle-shaped soft cushion or a vertical sheet-shaped soft cushion, garlic stems are prevented from being pinched off, and garlic heads are protected. According to the tensioning structure, the size specifications of the chains and the chain wheels can be reduced, the requirement for rigidity of a conveyor rack is also reduced, used mechanical materials can be reduced, the weight of equipment is reduced, the manufacturing cost is reduced, and the equipment is small in size, compact in structure and light in weight.

The invention discloses a guide stretching device for producing a bonding copper wire. The device comprises a base, and a stretching roller assembly and a rolling assembly mounted on the base. The stretching roller assembly is provided with a guiding assembly, an electric push rod is fixedly mounted at the upper end of the base right below the stretching roller assembly, a top plate matched with the stretching roller assembly is fixedly mounted at one end of a piston rod of the electric push rod, a concave top plate opened in a single surface is arranged on the top plate, a slot is formed in the side wall of the top plate, and a leaning assembly for adjusting the stretching diameter of a copper wire is slidably inserted into the slot. By way of matching the stretching roller assembly and the leaning assembly, the diameter of the bonding copper wire after stretching can be controlled precisely. Two ends of the stretching roller body are fixedly inserted into inner rings of a damping bearing respectively. During stretching, when a tensile force is too large, the stretching roller will rotate therealong, such that the bonding copper wire is broken.