204 results about "Annular cutter" patented technology

The invention relates to the technical field of hard rock drilling construction, in particular to a rock breaking hob, a shield tunneling machine cutterhead and a shield tunneling machine. The rock breaking hob comprises a cutter shaft, an annular cutter body and a plurality of pressurizing assemblies; an annular cavity communicated with an external high-pressure water source is formed in the cutter shaft; the annular cutter body is rotationally arranged on the cutter shaft, and a plurality of blind holes are formed in the annular cutter body; the pressurizing assembly comprises a compression block, a plugging block and a first elastic piece; the compression block is in sealed sliding connection with the inner wall of the blind hole to form a compression cavity, and a plurality of first channels used for communicating the compression cavity with the annular cavity are formed in the annular cutter body; a sliding groove, a communicating hole and a water spraying hole are formed in the compression block; the sliding groove communicates with the compression cavity through the communicating hole. The sliding groove communicates with the end face of one end of the compression block through the water spraying hole. The plugging block is slidably connected with the sliding groove and blocks the water spraying hole when located at the end, close to the central axis of the annular cutter body, in the sliding groove. The first elastic piece is used for enabling the compression block to pop out of the blind hole. The rock breaking device has the effects of reducing water source waste and improving the rock breaking efficiency.

The invention discloses an anti-wear detection device for release film production, which comprises a base, two film winding rollers, a detection table and a lifting millstone mechanism, the detection table is arranged between the two film winding rollers; the lifting millstone mechanism is arranged above the detection table in a matched manner. The device further comprises a membrane sample separation mechanism and a vacuum adsorption mechanism. When the annular cutter completes cutting and descends to a set position, the fixed pressing ring sucks a film sample through the negative pressure adsorption mechanism, the arranged annular magnet descends to the position close to the fixed pressing ring at the moment, the fixed pressing ring adsorbing the film sample is attracted and lifted by means of magnetic force, and therefore the film sample can be separated from the detection table; and after rising, the negative pressure adsorption mechanism is stopped, so that the film sample naturally falls and is unfolded, tension is eliminated, and the situation that the film sample generates tension in the cutting and extruding process, and the anti-wear detection result is affected is avoided.

The invention relates to a method for predicting force-induced deformation of a titanium alloy thin-wall part in an end milling machining process by considering tool wear, and belongs to the technical field of cutting machining. The method comprises the following steps: firstly, constructing an annular cutter milling thin-wall part overall milling force model considering cutter wear; on the basis, a force-induced deformation model of the material removal effect in the end milling machining process of the thin-walled workpiece is established based on a small deflection deformation theory. The model can correct element stiffness matrixes at different feeding positions after materials are removed in the milling process of the thin-wall part, and rapid extraction of force-induced deformation of the thin-wall part is achieved. Finally, an iterative calculation method is adopted, and accurate prediction of cutting force and machining deformation at different feeding positions in the end milling machining process of the thin-walled workpiece is achieved. According to the method, the influence of cutter abrasion on the milling force when titanium alloy type difficult-to-machine materials are milled is considered, and the force-induced deformation predicted value after cutter abrasion in end milling of the titanium alloy thin-wall part can be accurately obtained.

The invention relates to the technical field of cloth testing and sampling, in particular to a cloth testing and sampling device which comprises a conveying device used for conveying cloth, the conveying device is composed of a sliding seat, an electric sliding table and a storage table, and a sampling cutter is arranged above the sliding seat; a driving mechanism for driving the sampling cutter is arranged outside the sliding seat; the sampling cutter comprises an annular cutter and a telescopic sleeve, and the annular cutter is telescopically connected with the telescopic sleeve; the driving mechanism comprises a rotary drum, a connecting piece is arranged outside the rotary drum, an abutting piece abutting against the rotary drum is arranged on the connecting piece, and a transmission rod fixed to the upper surface of the telescopic sleeve is arranged outside the rotary drum. The cloth sampling device is high in automation degree, manual intervention is reduced, the sampling efficiency and accuracy are improved, the annular cutter cuts cloth in the rotating and pressing process, it can be guaranteed that the cutting edge is neat, the sample quality is good, and the design of the telescopic sleeve can meet the sampling requirements of cloth with different thicknesses.

The utility model discloses a crucible outer wall cleaning system which comprises a roller conveying line and an outer wall cleaning device. The crucible is conveyed to the outer wall cleaning equipment through the roller conveying line to be cleaned, the outer wall cleaning equipment can clean auxiliary materials attached to the outer wall of the crucible downwards through the rotating annular cutter, and manual cleaning of workers is replaced; labor force of workers is saved, efficiency is high, the cleaning effect is better, and the automation degree is high.

The invention relates to the technical field of water quality monitoring equipment, and discloses a hydrological monitoring device suitable for a complex water area, which comprises an unmanned aerial vehicle body, a winch arranged at the bottom of the unmanned aerial vehicle body, and a sampling assembly and a water quality detection assembly arranged below the winch, the bottom end of the traction rope is connected with the sampling assembly; by arranging the counterweight ring and the annular cutter below the winch and matching with the design of the locking assembly and the shearing assembly, when the sampling assembly is wound by aquatic plants, floating objects or winding sundries in a complex water area, the counterweight ring can be released to drive the annular cutter to fall to cut the sundries; if cutting is invalid, the pulling rope is cut off, and the sampling assembly is abandoned, so that the out-of-control flying and water falling accidents of the unmanned aerial vehicle caused by impurity winding are effectively avoided, the operation safety of the unmanned aerial vehicle in a complex hydrological environment is guaranteed, and the problem that equipment is easily damaged due to winding in the prior art is solved.

The utility model discloses a gluten bisection machine. The gluten bisection machine is characterized by comprising a rack, the gluten conveying mechanism is installed on the machine frame, the gluten conveying mechanism comprises a material bin and a conveying assembly, and the right end of the conveying assembly is arranged in the material bin; the top face of the conveying assembly is obliquely arranged upwards from right to left. The bisection mechanism is installed on the portion, above the left portion of the stock bin, of the rack, the bisection mechanism comprises an upper cutter assembly and a lower cutter assembly, a plurality of upper annular cutters are arranged on the upper cutter assembly at intervals, a plurality of lower annular cutters are arranged on the lower cutter assembly at intervals, and the upper annular cutters and the lower annular cutters are oppositely arranged. The upper annular cutter and the lower annular cutter are arranged in a staggered mode. According to the automatic gluten bisection device, automatic gluten bisection is achieved, the labor intensity of operators is reduced, and the gluten bisection efficiency is improved.

The utility model discloses a bee food collector which comprises a collecting pipe and a push rod. An annular cutter is integrally designed at one end of the collecting pipe; the push rod is inserted and matched with the collecting tube; when in use, the collecting tube is held by a hand, the annular cutter of the collecting tube is aligned with bee food in a honeycomb, and pressure is applied to rotatably cut in back and forth, so that the bee food is separated from the honeycomb and enters the collecting tube. Then, a push rod is inserted from the rear end of the collecting pipe 1, the push rod is pushed, the bee food in the pipe is pushed out from the front end to be collected in a corresponding container through the pushing force of the pushing end of the push rod, and the operation process is repeated till all bee food is collected. By adopting the arrangement, compared with an ear spoon for collecting bee food, the bee food collector disclosed by the utility model has the advantages that the collecting efficiency can be improved, the shape of the bee food is kept complete, and the damage to honeycombs is reduced.

The utility model discloses a perforating device, including base, industrial computer all -in -one, the top one side fixed mounting of base has the rack, and industrial computer all -in -one fixed mounting is in the outer wall of rack, the inboard wall fixed connection of rack has the fixed frame, one end fixed connection of fixed frame has the workstation, the top both sides of workstation all adopt the inclined plane design, the top of workstation is opened and has the bottom hole of penetrating to the bottom. In the utility model, through the rack and double -shaft air cylinder drive assembly seat down pressure, make the rubber roll on two -dimensional elastic piece cooperation inclined plane workstation automatic tensile tight plastic bag, avoid the film wrinkle or deviation when punching, annular cutter and bottom hole accurate alignment ensure that the hole rim is even, and simultaneously the fan can blow the waste into the collecting basket of screw connection, realize efficient punching and automatic cleaning, solve the problem that the traditional device is insufficient and leads to the hole position deviation and waste residue.

The utility model discloses a paper and water contact angle test sample pretreatment table device which comprises a working table, a sample table arranged at the top of the working table, mucilage glue arranged on the side wall of the sample table in a surrounding mode, a tension sensor used for monitoring tension changes of paper in real time arranged in the sample table, and a plurality of inclined track grooves formed in the periphery of the sample table. A linear motion sliding table is installed in the inclined rail groove, a telescopic rod is installed on a sliding plate of the linear motion sliding table, the output end of the telescopic rod is vertically upward and provided with a clamp used for clamping paper, an annular cutter is further arranged above the sample table, and the inner diameter of the annular cutter is smaller than the outer diameter of the sample table. The two ends of the annular cutter are connected with a lifting air cylinder arranged on the workbench. A bubble level for leveling the workbench is also arranged on one side of the sample table; by means of the design, the technical problems that in a traditional treatment mode, complex pretreatment, such as flat layer coating or special paper adopting, usually needs to be conducted on paper, the operation difficulty is high, and a test result deviates from a true value are solved.

The present application relates to the field of corn food processing equipment, in particular to a kind of fresh corn kernel threshing device and its using method, including feed cylinder and mounting bracket, the feed cylinder coaxially fixed in the outer side of the mounting bracket end face, rotating ring is rotationally arranged in the middle of the mounting bracket, multiple groups of tool holders are arranged around the inside of the rotating ring, and multiple groups of holding frames are arranged in the middle of the rotating ring corresponding to the tool holder, and the rotating ring outside is provided with synchronous disc for supporting the holding frame;The outer circumference of the rotating ring is provided with annular mounting groove matched with the mounting bracket, and multiple groups of holding grooves for accommodating the holding frame are vertically penetrated in the middle of the rotating ring. Advantageous effects are that: the present application can adjust the inner diameter of annular cutter formed by multiple groups of tool holders in real time according to the diameter of different corn cobs, and then realize corresponding cutting and threshing of tender corn cobs, without manual sorting for size classification of corn cobs, more convenient to use, and corn kernel is more thoroughly separated, and the effect is better.

The invention relates to the technical field of milling cutters, in particular to a crankshaft outer milling cutter disc with a quick change function, which comprises an annular cutter disc, an annular groove, a cutter groove, an end cover, a limiting disc, a cutter change assembly, a milling cutter and a cleaning assembly, and the end of the cleaning assembly extends to the side part of the milling cutter. The milling cutter can be quickly pushed out and the surface of the milling cutter can be cleaned when the milling cutter is overhauled or replaced, so that the replacement efficiency is improved, meanwhile, the stability of the milling cutter in the using process can be guaranteed after replacement is completed, the milling quality of the milling cutter is improved, and compared with a traditional milling cutter mounting mode, time and labor are saved, and the machining efficiency of a crankshaft is guaranteed.

The utility model relates to the technical field of cable processing, in particular to a cable sheath stripping device, which comprises a base and a mounting frame bolted on one side of the top of the base, and further comprises sliding grooves arranged on two sides of the inner wall of the mounting frame, two sides of the inner wall of each sliding groove are connected with sliding blocks in a sliding manner, and opposite surfaces of the sliding blocks on two sides are connected with rotating rods in a rotating manner; according to the utility model, through the cooperation of the sliding groove, the sliding block, the rotating rod and the transmission mechanism, the annular cutter can process the two sides of the cable sheath at the same time, so that the stripping efficiency is obviously improved, the cutting depth and the cutting angle can be better controlled, the stability of the stripping quality is ensured, and the device has a wider application range and is suitable for popularization and application. Under the cooperation of the sliding block, the rotating rod and the through groove, the device can meet the stripping requirements of cable sheaths with different diameters and specifications, the universality and the utilization rate of the device are improved, an operator can carry out accurate adjustment according to the specific size of a cable, and the stripping precision and the integrity of the cable can be improved.

The application discloses a tunneling and blasting machine and an anti-blasting ring supporting system thereof, and relates to the technical field of tunneling equipment. The anti-blasting ring supporting system of the tunneling and blasting machine comprises a cutter head, a movable part and a manipulator. The cutter head comprises a supporting part, a center cutter head and an annular cutter head with a through hole, the center cutter head is sleeved in the through hole, and the supporting part is used for driving the center cutter head to move axially. The movable part is slidably sleeved on the peripheral surface of the supporting part, and the movable part can rotate relative to the supporting part. The manipulator comprises a telescopic jacking device and a pickup part, the jacking device is fixed to the movable part, the pickup part is fixed to the extending end of the jacking device, and the pickup part is used for clamping the anti-blasting ring. The anti-blasting ring supporting system supports the rock-burst area in front of the annular cutter head, can realize advanced support, effectively improves the safety of the excavated roadway, and protects the matched equipment and the operating personnel.

The utility model discloses an annular cutter for taking strip-shaped bones, which relates to the technical field of medical instruments and comprises a tubular cutter body, cutting edges are arranged at the cutting end of the cutter body and comprise a first cutting edge and a second cutting edge, the first cutting edge is zigzag, and the second cutting edge is zigzag. The orientation of the first cutting edge is parallel to the axial direction of the cutter body; and the second cutting edge is inclined towards the inner side of the cutter body. In the using process, by swinging the cutter in the radial direction, the root of the obtained strip-shaped bone can be cut off through the second cutting edge, that is, the connection between the strip-shaped bone in the cutter and the surrounding bone tissue is cut off, and the root cutting operation can be conveniently carried out when the strip-shaped bone is taken.

The present application relates to hot melt butt welding machine technical field, especially to a kind of high-precision butt joint device operation method for large-diameter pipeline welding, the device includes welding machine, welding machine top is provided with moving frame, moving frame middle part is provided with pipeline, pipeline one side is provided with fixed core, fixed core one end is in the inside of pipeline, recess is opened in the middle part of fixed core, annular cutter is fixedly connected in the inner wall of recess, fixed groove is opened in the inner wall of recess, first heat insulation pad is arranged in the inside of fixed groove, first heating disc is fixedly connected on the surface of first heat insulation pad, hook is fixedly connected on the side of fixed core;By being provided with fixed core insertion the inside of two section pipelines, so that the center of two section pipelines is kept on the same horizontal line, greatly improves pipeline butt joint accuracy, reduces adjustment, improves work efficiency, and after taking out fixed core, the inner wall flanging can be cut off and taken out, ensure that hot melt welding is smooth, make pipeline keep unobstructed, do not affect subsequent use.

The utility model discloses a medical anastomat, which is characterized in that an annular tool bit and a circular blade jointly perform rotary cutting and extrusion to punch a blood vessel wall; when the balloon body is subjected to internal liquid pressure, the balloon body becomes a single-side concave balloon body shape, and under the pressure of blood in the blood vessel, the concave peripheral elastic wall of the balloon body shape is tightly attached to the outer ring of the incision of the blood vessel wall for sealing.

A noodle cutting tool and noodles. The noodle cutting tool comprises: a first cutter roll and a second cutter roll which can be engaged; a plurality of first annular cutter grooves are arranged on the first cutter roll, and a first annular cutter tooth is formed between any two adjacent first annular cutter grooves; a second annular cutter groove is arranged on the second cutter roll, and a second annular cutter tooth is formed between any two adjacent second annular cutter grooves; in the engaged state, the first annular cutter tooth is inserted into the corresponding second annular cutter groove, and a first cavity is formed between the inserted first annular cutter tooth and the bottom of the second annular cutter groove; the second annular cutter tooth is inserted into the corresponding first annular cutter groove, and a second cavity is formed between the inserted second annular cutter tooth and the bottom of the first annular cutter groove; the cross-sectional shape of at least one of the first cavity and the second cavity is in the shape of a flying disc. By using the above scheme, the chewiness of the noodles can be enriched while ensuring the taste of the noodles.

The utility model relates to the technical field of sole production, in particular to an anti-overflow sole shaping device for rubber sole production, which comprises a shaping table, a lower support fixedly connected to the bottom of the shaping table, an upper support fixedly connected to the top of the shaping table, and an upper sliding plate slidably connected into an inner cavity of the upper support. Through cooperative arrangement of a lead screw, an upper sliding plate, an annular cutter, a spring, a shaping plate and other structures, in the process that the upper sliding plate drives the annular cutter to move downwards, the shaping plate firstly makes contact with a rubber sheet subjected to heat treatment, the rubber sheet is extruded to be shaped, and after shaping is completed, the annular cutter continues to be pressed downwards to extrude the spring to contract; and the rubber overflowing edge overflowing out of the shaping table is cut off until the annular cutter is attached to the shaping table on the peripheral side of the lower mold groove, and the problems that in the working process of an existing shoe sole shaping device, rubber materials in a mold are prone to overflowing edge, workers need to trim the overflowing edge, and the working complexity is greatly increased are solved as much as possible.

The invention relates to the field of engineering construction machinery, in particular to a highway subgrade crushing and leveling all-in-one machine and method based on an energy-saving motor. The device comprises a mounting frame, an adjusting mechanism, a cutting mechanism and a crushing mechanism. The adjusting mechanism controls the moving frame to move longitudinally through an electric push rod to adjust the cutting height; the cutting mechanism adopts an annular cutter with a notch in the circumferential direction to pre-cut the raised roadbed; the crushing mechanism converts cutting power into rotating motion of a reciprocating lead screw through gear transmission, and the crushing assembly is driven to conduct buffering type impact crushing on a cutting area. The crushing assembly comprises a crushing disc with a buffer groove and sliding crushing teeth and is combined with a variable frequency motor to achieve multi-stage crushing. According to the scheme, a vibration transmission area is isolated through pre-cutting, the problems that traditional equipment is insufficient in crushing precision and a roadbed is loosened are solved, and crushed materials are centrifugally thrown through the annular cutter to achieve roadbed leveling.

The invention relates to the field of corn food processing equipment, in particular to a fresh corn kernel threshing device and a using method thereof.The fresh corn kernel threshing device comprises a feeding cylinder and a mounting frame, the feeding cylinder is coaxially fixed to the outer side of the end face of the mounting frame, a rotating ring is rotationally arranged in the middle of the mounting frame, and multiple sets of tool rests are arranged in the rotating ring in a surrounding mode; the middle part of the rotating ring is provided with a plurality of groups of retainers corresponding to the knife rest, and the outer side of the rotating ring is provided with a synchronous disc for fixedly supporting the retainers; an annular mounting groove matched with the mounting frame is formed in the outer circumference of the rotating ring; and a plurality of groups of retaining grooves for accommodating the retainers transversely penetrate through the middle part of the rotating ring. The corn thresher has the beneficial effects that the inner diameter of an annular cutter composed of multiple sets of cutter rests can be adjusted in real time according to the diameters of different corn cobs, then corresponding cutting and threshing of the tender corn cobs are achieved, manual sorting is not needed for size grading of the corn cobs, use is more convenient, corn kernels are more thoroughly threshed, and the effect is better.

A noodle cutting tool and noodles. The noodle cutting tool comprises: a first cutter roll and a second cutter roll which can be engaged; a plurality of first annular cutter grooves are arranged on the first cutter roll, and a first annular cutter tooth is formed between any two adjacent first annular cutter grooves; a second annular cutter groove is arranged on the second cutter roll, and a second annular cutter tooth is formed between any two adjacent second annular cutter grooves; in the engaged state, the first annular cutter tooth is inserted into the corresponding second annular cutter groove, and a first cavity is formed between the first annular cutter tooth and the bottom of the inserted second annular cutter groove; the second annular cutter tooth is inserted into the corresponding first annular cutter groove, and a second cavity is formed between the second annular cutter tooth and the bottom of the inserted first annular cutter groove; the cross-sectional shape of at least one of the first cavity and the second cavity is in the shape of a horizontal 8. By using the above scheme, the chewiness of the noodles can be enriched.

This invention discloses a rapid bamboo shoot peeling machine and its peeling method, relating to the technical field of bamboo shoot peeling machines. The bamboo shoot peeling machine includes a base frame arranged symmetrically on both sides, with limiting plates fixedly arranged on the base frame on both sides. An infeed end, a feeding end, and a discharge end are arranged obliquely between the limiting plates on both sides. The infeed end includes an upper feeding roller and a lower feeding roller arranged in parallel, forming a feeding channel between the upper and lower feeding rollers. The upper and lower feeding rollers are connected to a first rotating mechanism that drives them to rotate. A first annular cutter and a second annular cutter are fixedly arranged on the surfaces of the upper and lower feeding rollers, respectively. The feeding end includes a feeding plate arranged on one side of the feeding channel, with a feeding box on the feeding plate. The feeding box has openings at both ends. The first and second annular cutters, while cutting the bamboo shoot shells, also clamp the bamboo shoots between the shells, ensuring that the bamboo shoots are always conveyed in a straight line during feeding.

The wind driven generator inspection device comprises an unmanned aerial vehicle body, a winding assembly for winding a collected adhesive tape is installed on the outer wall of the bottom of the unmanned aerial vehicle body, a vertical plate is fixed to the bottom of the unmanned aerial vehicle body, and a first electric telescopic rod is fixed to the outer wall of one side of the vertical plate; an annular cutter is fixed to the output end of the first electric telescopic rod through a pin, a T-shaped rod is fixed to the outer wall of one side of the annular cutter, a rectangular plate is movably connected to the outer wall of the T-shaped rod, an abutting frame matched with the annular cutter in outer diameter is welded to the bottom of the rectangular plate, the outer wall of the T-shaped rod is sleeved with a first spring, and the two ends of the first spring are fixed to the inner wall of one side of the T-shaped rod and the outer wall of one side of the rectangular plate respectively. The unmanned aerial vehicle carries the collecting adhesive tape, the electric telescopic rod is used for driving the annular cutter and the abutting frame, adhesion and separation of the collecting adhesive tape and the wind driven generator blade can be controlled, coating particles on the blade are effectively collected, and inspection and collection work of different positions of the blade or multiple blades can be rapidly completed.

The invention discloses a blade curved surface ring cutter five-axis finish machining variable step length spiral cutter path generation method, which comprises the following steps of: firstly, importing a curved surface model to be machined, and setting parameter information such as a machining cutter, an approximation error maximum allowable value, a minimum iteration frequency and line spacing; secondly, respectively planning cutter contact point trajectory lines of a blade head-tail row cutter path and a spiral cutter path of a molded surface between the head row and the tail row, calculating an initial step length for the cutter contact point trajectory lines according to a maximum linear error, obtaining discrete cutter contact points, and calculating cutter location points and cutter axis vectors of the cutter contact points; replacing a cutter motion envelope surface and a cutter contact trajectory between adjacent cutter location points with a discrete cutter cutting surface and a cutter contact point set, and proposing a calculation method for an approximation error of two adjacent cutter location points; and comparing the approximation error with the maximum allowable value, and adjusting the step length to enable the approximation error between the adjacent cutter location points to be within a set range so as to obtain the variable-step-length spiral cutter path.

The utility model discloses a roadbed compactness on-site rapid measuring device which comprises a bottom plate, the bottom of the bottom plate is fixedly connected with four U-shaped plates, moving wheels are rotatably connected among the inner walls of the four U-shaped plates, the top of the bottom plate is in threaded connection with two threaded cones, and the two threaded cones penetrate to the bottom of the bottom plate. And rotating handles are fixedly connected to the tops of the two threaded cones. The measuring device is driven to move to a sampling site by arranging the moving wheels in the four U-shaped plates, then the threaded cone is inserted into a roadbed to fix the measuring device by manually rotating the rotating handle, and then the displacement block is driven by the lifting assembly to move, so that the annular cutter is close to the roadbed; and then the annular cutting motor drives the rotating rod to rotate the annular cutter to cut the roadbed, so that the transportation of the device and the adjustment of the sampling position are facilitated, the sampling efficiency and stability are improved, and the convenience and accuracy improvement of the measurement and evaluation of the roadbed compactness are further realized.

The invention discloses automatic battery pole piece winding equipment based on visual correction. The automatic battery pole piece winding equipment comprises a working platform, an unwinding mechanism, a cutting mechanism, a winding mechanism and an industrial camera, wherein the unwinding mechanism, the cutting mechanism, the winding mechanism and the industrial camera are integrated on the working platform; the industrial camera monitors the unwinding path of the first battery pole piece roll in real time, and when the unwinding path deviates, the deviation rectifying executing mechanism is driven to rectify deviation; the winding mechanism is used for winding the battery pole pieces cut by the cutting mechanism to form second battery pole piece rolls; the thermoelectric refrigerating unit is arranged in the cutting process of the battery pole piece, a constant-temperature environment is provided for the battery pole piece needing to be cut through the thermoelectric refrigerating unit, when the battery pole piece is kept in a constant-temperature state, the battery pole piece is guided to the position of the rotating roller, and then the battery pole piece is cut through the annular cutters arranged on the rotating roller at equal intervals; and the situation that in the cutting process of the battery pole piece, due to the fact that the temperature is too high or too low, the binder is softened or the material brittleness is increased, and the product damage rate is increased is avoided, and the cutting quality is further improved.

The invention discloses an electric wire and cable stripping machine, and relates to the field of cable stripping machines, the electric wire and cable stripping machine comprises an inner slip ring, an inner backing ring is fixedly installed between the inner slip ring and an annular groove disc, the inner backing ring is made of an elastic material, the outer side of the inner slip ring is a cambered surface with a raised central position, and an annular cutter is fixedly installed at the central position of the outer side of the inner slip ring. The protruding cambered surface at the center position of the outer side of the inner slip ring is matched with the annular cutter, when an insulating layer of a cable is cut, the contact pressure firstly enables the annular cutter to go deep into the insulating layer, then the protruding cambered surface at the outer side of the inner slip ring goes deep into the cutting position, and the cutting position of the insulating layer is expanded outwards in the going-deep process by using the protruding cambered surface, so that the cable is cut. And the contact positions of the insulating layer and the cable core are separated by utilizing the expansion acting force, so that the situation that the insulating layer and the cable core cannot be thoroughly cut off by a blade and the stripping treatment cannot be completed due to the uneven fitting position of the cable core and the insulating layer in the cable is prevented.

The utility model discloses a cable stripping device for communication engineering construction, and relates to the technical field of cable stripping. The communication cable girdling device comprises a support, one end of the support is provided with an adjusting mechanism, and a girdling knife used for girdling a communication cable is arranged in a movable part of the adjusting mechanism. According to the utility model, the elastic telescoping mechanism is compressed through the contact between the cutting tool and the surface of the communication cable, the cutting tool is enabled to move axially along the surface of the communication cable through the support sliding mechanism, the vertical cutting of the communication cable is realized, and then the communication cable corresponds to the support. The adjusting mechanism drives the annular cutter to move transversely, so that the annular cutter is in contact with the root of the vertical cutter, and the device is rotated, so that the annular cutter rotates along the surface of the communication cable, thereby realizing annular cutting of the insulating layer of the communication cable, facilitating peeling of the communication cable, and enabling the use to be more convenient.

The invention belongs to the technical field of soil testing and sampling, and particularly discloses a soil sample collecting device based on an annular cutter, the soil sample collecting device comprises a sampling plate, a control plate and a sampling assembly, a lifting hole is formed in the sampling plate, the control plate is arranged on the bottom wall of the sampling plate, one end of the sampling assembly is slidably connected to the control plate, and the other end of the sampling assembly is arranged on the control plate. The other end of the sampling assembly penetrates through the sampling hole; through the outer torsion spring and the inner torsion spring with different elastic coefficients, it is ensured that the inner torsion spring is in a compressed state in an initial state, so that when a user rotates the sampling rod, the inner torsion spring can restore to the original shape, the sampling piece is controlled to slide outwards from the center until the sampling piece breaks through the open groove and the sampling groove, efficient completion of sampling operation is ensured, and the sampling efficiency is improved. Meanwhile, through the control of the collecting rack and the lifting rack, the sampled soil samples are collected in time, so that the soil samples at different sampling points are distinguished.