376 results about "Chisel" patented technology

The present invention discloses a plastic card mesh cage networking machine and its use method, belonging to the technical field of aerated concrete slab production lines. The present invention includes a networking machine base, a networking conveying trolley, and a lifting vehicle assembly. The networking machine base is provided with a mesh removal station and a first networking station; the networking conveying trolley is provided on the networking machine base and moves laterally on the networking machine base; the lifting vehicle assembly is used to place and transport the plastic card mesh cage; the lifting vehicle assembly is provided on the networking conveying trolley and moves vertically on the lifting vehicle assembly to drive the lifting of the plastic card mesh cage; the lifting vehicle assembly includes a mesh hanging assembly, which is used to engage and position the two mesh pieces of the plastic card mesh cage and push the plastic clips to move laterally, completing the networking operation after engaging with the steel chisel. The present invention can automatically adjust the mesh hanging position of the plastic card according to the mesh cage specifications, and the networking machine automatically hangs the mesh, thereby improving the production efficiency of plastic card mesh cage networking.

The invention discloses a networking system of aerated plate reinforcing mesh cages, and belongs to the technical field of aerated plate production. Comprising an automatic plastic clip mounting unit, a steel chisel transfer unit and a mesh clamping unit, the automatic plastic clamp mounting unit is used for achieving automatic assembly of plastic clamps and steel chisels, the steel chisel transferring unit is used for transporting the steel chisels, and the mesh clamping unit is used for clamping meshes to the plastic clamps. Full-automatic production of the plastic clamps, the steel chisels and the meshes from transportation to mesh arrangement to a to-be-welded state can be achieved, and the production efficiency of the reinforcing mesh cage is greatly improved.

A thin-blade chisel system, for separating an outer surface of an orthopedic implant and an inner surface of a bone from each other, includes a thin-blade chisel having a blade tip at a distal end portion in a longitudinal direction, and a hammering direction changing tool engaged with the thin-blade chisel to apply a force in an advancing direction of the blade tip. The thin-blade chisel includes a hammering blow-receiving part, preferably a through hole penetrating in a thickness direction, at a predetermined position on a proximal side closer to the surgeon. The hammering direction changing tool includes a hammering portion to be hammered, located at a proximal end portion, and a recess formed at a distal end portion, to be engaged with an inner circumferential surface of the through hole.

The invention discloses a protective device for safety of mining machinery, and relates to the technical field of mining equipment, in particular to a protective device for safety of mining machinery, which comprises a base, a rotating frame, a protective component and a supporting component, and a plurality of iron chisels used for being inserted underground are fixedly mounted on the lower surface of the base; the lower end of the rotating frame is hinged to one end of the base; and through the combination of multi-stage damping and elastic buffering, the absorption capacity to large impact force is greatly improved. When the impact force continuously acts to cause the first piston plate to move to a set distance, the distance sensor transmits a signal to the control panel, and the control panel starts the electromagnet, so that the magnetic particles in the magnetorheological fluid are orderly arranged in a solid-like state, the position of the piston assembly is locked, excessive rotation of the rotating frame is avoided, and the service life of the rotating frame is prolonged. Compared with a locking block clamping structure of an existing device, the locking block clamping structure has higher fixing reliability, the situation that the structure loses efficacy due to continuous impact is effectively prevented, and safety of mining machinery is guaranteed.

The utility model discloses a monitoring device suitable for open-pit mine slope surface cracks, and relates to the technical field of open-pit mine crack monitoring equipment. The device comprises a first steel chisel, a second steel chisel and a steel ruler, the first steel chisel and the second steel chisel are correspondingly installed on the two sides of an earth surface crack, a pulley and a steel ruler wheel are sequentially and rotationally installed on the second steel chisel from top to bottom, one end of the steel ruler is connected with the first steel chisel, and the other end of the steel ruler is wound on the steel ruler wheel after passing through the pulley. The steel ruler has the advantages that the structure is simple, the installation is convenient, the cost is low, an operator monitors the change of the scales of the steel ruler through the observation hole to record the change trend of a crack, the recording is simple and convenient, and the daily use requirement is met.

Provided is a drill that has excellent cutting blade durability and chip discharge. A cutting blade that is provided to a body of the drill has a chisel edge, a first blade, and a second blade. In plan view from a direction along the rotation axis, a boundary section where a boundary between the first blade and the second blade is located has a protruding shape toward the leading side in the rotation direction. The first blade has a first honing surface, the second blade has a second honing surface, and the chisel edge has a third honing surface. In plan view from a direction along the rotation axis, the width of the third honing surface decreases toward the outer periphery of the body, and the width of the first honing surface at the boundary section is smaller than the maximum value of the width of the first honing surface.

The invention relates to a high and steep barren rock slope stepped earthing greening ecological regreening system and a construction method thereof. An original barren rock slope line is excavated and cut in a stepped mode to form a stepped slope and a stepped platform, and greening plants are planted on the stepped platform to form a stepped earthing greening system; the step type earthing greening system is composed of vine climbing plants planted on the prefabricated retaining wall arranged on the outer side of the step type platform, arbors planted in the planting grooves and herbaceous plants planted on backfill earthing. The prefabricated retaining wall is fixedly embedded on the outer side of the stepped platform through steel chisels, and a prefabricated concrete plate hanging bag is arranged on the outer side of the prefabricated retaining wall. According to the method, the stability of the side slope is improved, the large-area overall collapse phenomenon is avoided, the flushing effect of rainwater on backfill soil is reduced, the plant survival rate is increased, the work amount is saved, and rapid regreening of the side slope is achieved.

The utility model belongs to the field of engineering construction, and particularly relates to a pile top critical surface concrete preset isolation device which comprises outer stirrups and inner stirrups, a plurality of fan-shaped steel plates are arranged between the outer stirrups and the inner stirrups, and the fan-shaped steel plates are fixedly connected with the outer stirrups and the inner stirrups through U-shaped buckles A; two semicircular plates are arranged in the inner stirrup, a U-shaped buckle B is fixedly connected to the middle of the outer arc edge of each semicircular plate, and a stop lever is fixed to the end of an opening of each U-shaped buckle B; a small hole is formed in the straight edge of the semicircular plate, a pull rope is fixed in the small hole, and the upper end of the pull rope is fixed to the portion, above the steel casing, of the transverse rod. By means of the device, drilling, steel chisel knocking vibration and other work can be avoided, the work intensity of workers is reduced, the construction period is effectively shortened, the construction cost is saved, the construction efficiency is improved, the top face of a dismantled pile head pile foundation is flat and smooth, subsequent pile foundation tests are facilitated, and later finishing work is omitted.

A pry bar assembly includes a plate that is elongated and has a first end, a second end, a first lateral edge, a second lateral edge, an upper surface and a lower surface. The plate includes a claw section, a chisel section and a middle section positioned therebetween. The claw section includes the first end and a rounded heel. The claw section includes a first portion and a second portion. The first portion is attached to the middle section and curves upwardly and away from the middle section in a semi-cylindrical shape to form the rounded heel. The second portion extends downwardly from the first portion. The chisel section is angled upwardly from the middle section. The upper surface has an elongated crest therein that is spaced from the first and second lateral edges and extends along a length of the middle section and into the chisel section.

1. Name of the designed product: chisel plane. 2. Use of the designed product: for chiseling wood. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

This invention discloses a drill bit for preventing delamination, detachment, and burr defects, belonging to the field of cutting tool technology. The invention mainly consists of a shank, a drill core, and an outer portion of the drill bit; the drill core is higher than the outer portion; the end structure of the drill bit is flower-shaped. The drill core has two axially symmetrically distributed cutting sections. The outer portion of the drill bit mainly consists of a second rake face, a second primary flank face, a second secondary flank face, and a third secondary flank face. The drill bit employs a double primary cutting edge. The drill core uses a small-angle peak and a short chisel edge to improve its self-centering and chip removal functions, reducing axial cutting force; the outer portion of the drill bit uses a negative peak, forming a concave structure, which generates a centripetal radial cutting force during machining. Through the cooperation between the first primary cutting edge of the drill core and the second primary cutting edge of the outer portion of the drill bit, the axial cutting force is reduced, cutting away material containing defects from the hole wall instead of pushing it towards the hole wall, effectively suppressing the formation of delamination, detachment, and burr defects.

The invention relates to a drop hammer impact equivalent test device capable of reproducing an ultra-high-speed chipping damage effect. The problem that a low-cost test device for chipping damage effect and protection technology research is lacked at present is solved. Comprising an impact test platform, an overall frame, a guide rail, a multifunctional drop hammer, a heating device, a hammer grabbing and disengaging device and a lifting device, the overall frame is fixed to the impact test platform, the guide rail is vertically installed on the overall frame, the lifting device is installed on the top of the overall frame, and the multifunctional drop hammer is detachably connected to the lower portion of the lifting device and matched with the guide rail. The heating device is mounted on the multifunctional drop hammer, the multifunctional drop hammer is provided with a positive impact test hammer head and an inclined impact test hammer head, the slide rail sample is fixed on the impact test platform during a positive impact test, and the slide rail sample is obliquely fixed between the impact test platform and the integral frame during an inclined impact test. According to the method, the chipping damage effect can be effectively reproduced, and the method has important engineering value for material damage mechanism and protection technology research.

To provide a drill which enables reduction of stress concentration caused by chips generated by a thinning blade to reduce cutting resistance and secure strength near a rotation center part (a chisel part) of the drill.SOLUTION: A drill 10 includes a body 1 which extends in an axial direction, centered on a center axis O. The body 1 has: chip discharge grooves 4 which are open on an apical surface 3 and an outer peripheral surface 8 of the body 1 and extend from the apical surface 3 to the rear end side; recessed thinnings 5 each of which is disposed at a tip part of the body 1 and connected to the chip discharge groove 4 and the apical surface 3; and cutting blades 7 disposed at the tip part of the body 1. The cutting blade 7 has a thinning blade 70 disposed at a radial inner end of the cutting blade 7. The thinning blade 70 has a recessed curve blade 71 which continues into a ridge line 6, connecting the thinning 5 with the apical surface 3, and has a curved shape recessed to the opposite side of a drill rotation direction T of a circle around the center axis O.SELECTED DRAWING: Figure 3

The utility model discloses a soil radon concentration detection punching limiting tool which comprises a steel chisel body, a plurality of height marking lines are arranged on the outer side wall of the steel chisel body, a holding piece is arranged at the top of the steel chisel body through a fastening device, and the fastening device comprises a fastening threaded rod arranged on the holding piece. A threaded hole in threaded connection with the fastening threaded rod is formed in the top end of the steel chisel body, and a locking assembly is further arranged between the fastening threaded rod and the threaded hole. On one hand, the punching depth can be conveniently controlled, so that the punching depth meets the standard requirement; on the other hand, the steel chisel body can be easily inserted into soil through the holding piece, so that the punching effect is achieved; and after punching to the required depth, the steel chisel main body is pulled out by holding the holding piece and rotating upwards, so that punching and pulling-out are easier and faster, detection data are more reliable and accurate, and the problems that the soil radon concentration detection punched hole is difficult to insert and pull out, the punching depth is difficult to determine, and the detection efficiency and accuracy are influenced are solved.

The invention relates to a base (10) for accommodating a chisel holder (30), comprising a main body (13) which has a holder seat (14) for accommodating the chisel holder (30), the holder seat (14) having: a socket (18); at least one front supporting surface (15.1, 15.2), which is located at least partially in front of and / or to the side of the socket (18); and at least one rear supporting surface (16.1, 16.2), which is located at least partially behind the socket (18). In order to ensure that a chisel holder (30) mounted in the base (10) remains securely fastened even under exceptionally high loads, according to the invention, the main body (13) has two clamping surfaces (18.5, 18.6) of a rear overload support section (18.4) in the insertion area that leads into the socket (18), each clamping surface (18.5, 18.6) facing a side of the main body (13).

The invention belongs to the technical field of drilling tools, and discloses a coating drilling tool and a machining method.The coating drilling tool comprises a drill tip part, the drill tip part comprises a front tool face and two tool end faces, the two tool end faces intersect to form a chisel edge, each tool end face comprises a first rear tool face, and the first rear tool faces intersect with the front tool face to form a main cutting edge; the drill tip part further comprises a first machining area, the first machining area is arranged on the front tool face and intersects with the main cutting edge, a first micro-texture is arranged in the first machining area, and / or the drill tip part further comprises a second machining area, the second machining area is arranged on the first rear tool face and intersects with the chisel edge and the main cutting edge, and a second micro-texture is arranged in the second machining area. A second microstructure is arranged in the second machining area. The first microtextures and the second microtextures can improve the surface roughness of the front tool face and the first rear tool face, improve the coating binding force, slow down tool abrasion, improve the cutting performance and reduce abrasive particle abrasion and bonding abrasion between interfaces.

This application discloses a quick-change steel chisel, relating to the field of steel chisel technology. The application includes a chisel head, one end of which is fixed to a support block. A connector post is fixed to the end of the support block away from the chisel head. A handle is provided at the end of the connector post away from the support block. A connecting post is fixed to the end of the handle near the connector post. A connector groove is formed on the connecting post, and the connector post is slidably disposed within the connector groove. A fixing structure is provided between the connector post and the connecting post. This fixing structure allows for quick fixing of the chisel head and handle, and disassembly is relatively convenient, enabling rapid chisel head replacement, significantly improving work efficiency. The connection is also effective, preventing easy loosening or detachment. Furthermore, the operation is simple, requiring no additional tools to replace the chisel head.

A power tool adapted to impart axial impacts to a tool bit includes a housing having a motor housing portion and a handle portion extending transversely from the motor housing portion, an electric motor supported in the motor housing portion and defining a motor axis, a non-rotatable barrel extending from the motor housing portion and defining a barrel axis parallel to the motor axis, a reciprocation drive assembly coupled to the electric motor and configured to convert torque from the electric motor to reciprocating motion of a piston received within the barrel for reciprocation therein along the barrel axis, a striker received within the barrel for reciprocation in response to the reciprocation of the piston, and an anvil at least partially received within the barrel and positioned between the striker and tool bit.The anvil communicates axial impacts to the tool bit in response to reciprocation of the striker.

The utility model belongs to the technical field of temporary protective guards for safety construction, and particularly discloses a temporary protective barrier for a prefabricated arc-shaped stand plate of a comprehensive stadium, which comprises the arc-shaped prefabricated stand plate and a steel plate, the arc-shaped prefabricated stand plate is provided with grouting holes, the side edge of the arc-shaped prefabricated stand plate is provided with stand plate lifting lugs, and the steel plate is arranged on the arc-shaped prefabricated stand plate. A derivation plate is arranged on the side, away from the stand plate lifting lugs, of the arc-shaped prefabricated stand plate, stand plate pin rod connecting embedded parts are arranged on the derivation plate, steel chisels matched with the grouting holes are arranged below the steel plate, a plurality of steel pipe stand columns are arranged above the steel plate, each steel pipe stand column is provided with a lifting lug, and therefore a simple and temporary protection stand column is formed. Protective steel wire ropes are connected between the multiple steel pipe stand columns, the protective steel wire ropes are connected with the hanging lugs, the protective steel wire ropes are wound on the hanging lugs of the stand columns by at least one circle, the protective steel wire ropes form an annular continuous protective barrier, and the effect of temporary protection in the construction process of the prefabricated arc-shaped stand plate of the comprehensive stadium is achieved.

1. The name of the design product: light hammer (26). 2. The use of the design product: the design product is used for hammer, chisel, drilling and other operations. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

A surgical instrument for the revision of prostheses, comprising a handpiece in which a cylinder is arranged, wherein a piston element is associated with the cylinder, as well as a switching element and a chisel tool, wherein the chisel tool is arranged axially movably mounted at one end of the handpiece, wherein the chisel tool is fastened to the handpiece in a loss-proof manner, wherein the piston element is axially movably arranged in the cylinder, wherein the piston element can be set in motion by means of a fluid, wherein the piston element is configured to induce a pulse directed in the direction of the chisel tool for driving the chisel tool into a prosthesis stem interspace associated with the prosthesis, wherein the piston element is configured to induce a pulse, directed opposite to the chisel tool for driving the chisel tool out of the prosthesis stem interspace.

The utility model discloses an extrusion type stone pattern carving machine, and relates to the technical field of stone machining. The device comprises a rack, baffles are installed on the top face of the rack, a working cavity is formed between the two baffles, a top plate is installed on the top faces of the baffles, one end of the top plate is aligned with one ends of the baffles, the length of the top plate is smaller than that of the baffles, and chisels are sequentially arranged on the face, facing the rack, of the top plate. The position, covered with the top plate, of the working cavity serves as a pattern carving cavity, the open position of the top face of the working cavity serves as a discharging cavity, a pushing mechanism is installed at the position, close to the discharging cavity, of the rack, and the pushing end of the pushing mechanism horizontally stretches into the discharging cavity. The stone pattern carving machine aims to solve the problem that in the gully forming process of an existing stone pattern carving machine, a deep gully needs to be moved back and forth for multiple times.

The utility model relates to the technical field of geological survey, and discloses a knocking hammer for mineral resource geological survey, which comprises a splicing assembly, the splicing assembly comprises a hammer head, a limiting groove is arranged on one side of the hammer head, the limiting groove is connected with a limiting block, the limiting block is connected with a balancing weight, the balancing weight is connected with a bolt, and the bolt is connected with a nut. The lower end of the hammer head is connected with a threaded connecting column, the lower end of the threaded connecting column is connected with a chisel head, one side of the hammer head is connected with a connecting shaft, one end of the connecting shaft is connected with a first hammer handle, and the outer ring of the first hammer handle is connected with a rubber pad. According to the utility model, the resistance of rocks can be overcome more quickly during knocking, the same crushing effect can be achieved by reducing the knocking times, the time can be saved and the working efficiency can be improved in geological survey, and the hammer head can obtain higher linear speed and kinetic energy under the condition of applying the same force, so that the knocking force is enhanced, and the service life of the hammer head is prolonged. And the rock sample can be crushed more effectively.

The utility model discloses a slotting device for house building, which comprises a base, the base is fixedly connected with a support frame, the support frame is provided with a sliding chute, the bottom end of the sliding chute is fixedly connected with a guide shaft, the guide shaft is connected with a guide block in a sliding manner, the guide block is provided with a guide hole, and the guide hole is communicated with the sliding chute. A mounting plate is fixedly connected to the side wall of the guide block, a first motor is fixedly connected to the mounting plate, a cutting blade is fixedly arranged on an output shaft of the first motor, a screw is rotationally connected to the upper surface of the guide block, and a threaded block is fixedly connected to the supporting frame. According to the device, the crushing chisel and the pushing handle are arranged, so that the grooving efficiency is improved, and meanwhile, the use experience of the device is also improved through the addition of the pushing handle.

1. The name of this design product: Chandelier shade accessories (YK513 chisel B). 2. Application of this design product: indoor lighting accessories. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The telescopic device comprises a base tube, a fastening mechanism, a telescopic tube, an adjustable ventilation valve, the pneumatic wind shovel and a handrail handle sleeve, the telescopic tube is assembled in the base tube, the fastening mechanism is assembled at the joint of the base tube and the telescopic tube, the pneumatic wind shovel is assembled at the front end of the telescopic tube, and the adjustable ventilation valve is arranged on the handrail handle sleeve. An adjustable ventilation valve is assembled at a proper position on the telescopic pipe, and the periphery of the base pipe is sleeved with a handrail handle sleeve; the position of the telescopic pipe in the base pipe is fixed through locking and loosening of the fastening mechanism, so that a constructor can adjust the extension length of the telescopic pipe according to different construction occasions, and operation in various narrow spaces is achieved. The device is easy to operate, convenient to disassemble, assemble and maintain and high in safety, the length can be adjusted at any time according to needs, the device adapts to different working scenes, the wind power can be controlled through the adjustable ventilation valve, operation of constructors is facilitated, and the working efficiency is effectively improved.

The invention relates to a chisel holder (30) for a soil cultivation machine, in particular for a road milling machine, a stabilizer, a recycler, or a surface miner, with a support body (35) which has a chisel receptacle (32) in the area of ​​a working side or at least carries a cutting tip, wherein the support body (35) indirectly or directly carries a plug socket (44) on a plug socket side, wherein the plug socket (44) has a plug socket longitudinal axis (44.2), wherein the plug socket longitudinal axis (44.2) lies in a central longitudinal plane (ME) of the chisel holder (30), wherein the support body (35) has two front planar cutting surfaces (41.1, 41.2) forming a pair of cutting surfaces, which are angled to each other such that they enclose a transverse support angle (α), and which are arranged in a region in front of the plug socket (44), wherein the front cutting surfaces (41.1, 41.2) extend laterally from the plug-in end (44) towards the rear of the chisel holder (30) beyond the plug-in end longitudinal axis (44.2) of the plug-in end (44), and wherein the support body (35) has at least one rear cutting surface (43.1, 43.2) which forms an obtuse longitudinal support angle (β) with at least one of the front cutting surfaces (41.1, 41.2) and which is arranged at least partially behind the plug-in end (44). In order to achieve improved follow-through behavior with such a chisel holder compared to a base on which the chisel holder is mounted, it is provided that the front cutting surfaces (41.1, 41.2) transition laterally to the plug-in end (44) via at least one inclined surface (42.1) directly or indirectly into the rear cutting surface (43.1, 43.2) or into a rear cutting surface (43.1, 43.2).

The invention belongs to the technical field of liquid cooling servers, and particularly discloses a shoveling tooth cold head which comprises a heat exchange plate, heat exchange teeth formed by gear shaping are arranged at the top of the heat exchange plate, and the heat exchange teeth are distributed in a rectangular array; machining equipment for a shoveling tooth cold head comprises a base, a liquid storage cavity is formed in the base, a recycling cavity is formed in the top of the base, and filtering holes which are evenly distributed and communicate with the liquid storage cavity are formed in the inner wall of the recycling cavity; by arranging the shoveling tooth cold head, a flow channel formed by heat exchange teeth of the shoveling tooth cold head is wider, blockage can be effectively prevented, the strength of the teeth is far higher than that of tooth pieces, deformation can be prevented, transportation is convenient, the problem that traditional tooth pieces are prone to deformation in the transportation process is solved, the flow channel is wider, internal passivation treatment is better facilitated, cleaning is facilitated, and the service life of the shoveling tooth cold head is prolonged. And the heat exchange teeth can be machined by adopting a gear shaping process, so that the machining efficiency is improved.

The utility model relates to a PCD (Polycrystalline Diamond) integral diamond drilling reamer, which comprises a drill bit structure welded at the end part of a metal reamer body, a connecting groove is formed in the drill bit structure and the metal cutter body in a penetrating mode. A feed angle is arranged at the radial end of the drill bit structure, and the angle range of the feed angle is 30 + / -1 degrees. A chisel edge and a shearing angle are arranged on the drill bit surface close to the rear end of the feed angle; a round edge is arranged at the tail end of the chisel edge; a step-shaped tool withdrawal groove is formed behind the radial end part; a first tool withdrawal groove rear angle, a second tool withdrawal groove rear angle and a third tool withdrawal groove rear angle are sequentially arranged on the step-shaped tool withdrawal groove. The angle range of the relief angle of the first tool withdrawal groove, the relief angle of the second tool withdrawal groove and the relief angle of the third tool withdrawal groove is 10 + / -1 degrees; the overall inclination angle of the step-shaped tool withdrawal groove ranges from 8 degrees to 15 degrees. The multi-step variable-diameter deep hole machining device can be specially used for machining multi-step variable-diameter formed deep holes of non-ferrous metals and non-metals in the industries of the non-ferrous metals and the non-metals, and is high in hardness and good in wear resistance and tipping resistance.