196 results about "Compression screw" patented technology

The invention relates to the technical field of machining, in particular to a bolt rod drilling clamp and method. The clamp comprises a bottom plate and a V-shaped block support; the V-shaped block support is mounted on the top surface of the bottom plate; a plurality of V-shaped grooves are formed in the top surface of the V-shaped block support and are sequentially arranged at intervals from left to right; a plurality of pressing blocks are installed on the top face of the V-shaped block support, and every two V-shaped grooves are correspondingly provided with one pressing block. The middle of each pressing block is installed through a pressing screw. According to the drilling method, the clamp is adopted for clamping a bolt product to be machined. The clamp can clamp a plurality of bolt products to be machined at a time, so that the drilling efficiency of bolt rod parts is improved. The V-shaped block support and the pressing block are used for limiting and pressing bolt products, stability is better, two bolt products can be pressed at the same time through one pressing plate, only the pressing screws need to be tightened during pressing, and compared with the prior art, operation is easy and convenient, and the purpose of rapid clamping is achieved.

An orthopedic fixation device (e.g., an intramedullary (“IM”) nail or bone plate) including a lag screw and a compression screw, the compression screw being nested with the lag screw. In accordance with one or more features of the present disclosure, the compression screw may include a partially non-threaded medial segment, an enlarged diameter, and / or a cannulated bore. In addition, and / or alternatively, the lag screw may be provided as an integrated assembly including a lag screw and an outer sleeve to enable the lag screw to telescope or slide relative to the outer sleeve and IM nail.

The invention discloses a battery assembling device. The battery assembling device comprises a conveying assembly, an assembling station and a first carrying assembly, a second carrying assembly, a delay positioning assembly, a pre-assembling assembly and a main body positioning assembly are arranged on the assembly station, the delay positioning assembly, the pre-assembling assembly and the main body positioning assembly are arranged at intervals, and the second carrying assembly is arranged above the delay positioning assembly, the pre-assembling assembly and the main body positioning assembly; the first carrying assembly is used for carrying the delay module and the pressing screw to the delay positioning assembly and carrying the main body assembled with the supporting block to the main body positioning assembly; the second carrying assembly is used for carrying the delay module and the pressing screw to the pre-assembling assembly in sequence; the pre-assembling assembly is used for clamping and positioning the delay module and then pre-assembling the pressing screw and the delay module; and the second carrying assembly is used for carrying the pre-assembled delay module and the pre-assembled pressing screw to the main body positioning assembly, so that the pre-assembled delay module and the pre-assembled pressing screw are assembled on the main body. By means of the mode, the problem that the pressing screw entering teeth are prone to deflection is solved.

The invention discloses a novel metal test piece end face polishing and grinding device which comprises a test piece chuck, a pressing device, a straight driven piece, a plane cam, a movable sliding block assembly body, a linear guide rail structure and a movable frame. The test piece chuck comprises a dovetail matching block, a test piece chuck block, a pressing screw and a chuck fixing screw. The pressing device comprises a cover plate, a compression spring, a lifting block, a threaded pin and a rolling bearing; the straight follower comprises a lifting block, an indexing block and a limiting screw. By means of the novel metal polishing and grinding device, the problem that after traditional manual polishing and grinding equipment conducts polishing and grinding, cambered surfaces and fillets appear on the polishing and grinding end face is solved, the yield of metallographic samples and the utilization rate of consumable items such as abrasive paper are increased, a linear one-way polishing and grinding mode is researched, developed and provided, and a novel semi-automatic mechanical polishing and grinding device is designed.

The utility model relates to a building construction platform based on building construction, which belongs to the technical field of building construction and comprises a base, and the top of the base is fixedly connected with a hydraulic rod. According to the building construction platform based on building construction, when a worker at the top of the supporting platform needs to be protected during construction, two protective ball covers are inserted into two fixing bases through connecting columns, and two movable blocks are attached to mounting grooves under extrusion; then the two extrusion screws are rotated to enable the protective ball covers on the tops of the two connecting columns to be in a supporting state, then the double-shaft motor is started to drive the two sliding blocks to move relatively, the two protective ball covers are in butt joint together, and a hemisphere is formed to protect the falling rocks; and when the falling stone hits the outer surface of the outer protection plate, the spring shock absorber and the limiting clamping rod can buffer the generated impact force, and when the protection ball cover is connected with the buffer rod, the danger generated by the falling stone is further reduced, and the personal safety of workers is guaranteed.

The utility model discloses a high-efficiency clamping tool for lead type PTC thermistor resistance test, which comprises a tool bottom plate, a tool top plate and a pressing type clamping device, the pressing type clamping device comprises a clamping bottom plate, a clamping top plate and a metal sheet, the clamping top plate is arranged below the tool bottom plate, and the metal sheet is arranged below the clamping top plate. One end of the clamping bottom plate is rotationally connected with one end of the clamping top plate, the clamping bottom plate and the clamping top plate are respectively provided with a strip-shaped through hole, a plurality of upper strip-shaped grooves are respectively formed in the positions, outside the two opposite sides of the strip-shaped through hole, of the lower surface of the clamping top plate, and a metal sheet with the corresponding shape is installed in each upper strip-shaped groove; the other end of the clamping bottom plate is connected with the other end of the clamping top plate through a compression screw, and all the metal sheets are led to the tool top plate through wires. According to the utility model, the pressing type clamping between the clamping bottom plate and the clamping top plate is adopted, so that the lead cannot be mechanically damaged, and the appearance of a product is better protected; and the strip-shaped through holes can ensure that all the thermistors can be immersed by the silicone oil.

The present invention provides a universal and / or convertible glenosphere and / or glenosphere shoulder joint replacement system and method. [Solution] An implant component is provided. The implant component includes one of a glenosphere component having a concave outer surface and a glenosphere component having a convex outer surface. The system may also include one of a first base plate having a central boss portion extending from the bottom surface and a central opening through which it is positioned, or a second base plate having a central boss portion extending from the top surface and a central opening through which it is positioned. An anchor boss having a central opening through which it is positioned is provided. The system may include a central compression screw configured to reliably compress the first base plate, the second base plate, or the anchor boss against the patient's bone by being fixed through the central opening.

The utility model discloses an optical path adjustable flow cell which comprises a flow cell cavity, two adjusting seats are oppositely arranged in the flow cell cavity, the two adjusting seats are both in threaded connection with the flow cell cavity, lenses are arranged at the opposite ends of the two adjusting seats, compression screws are arranged on the opposite sides, facing the flow cell cavity, of the lenses, and the compression screws are in threaded connection with the flow cell cavity. A connector is arranged at the tail end of the adjusting seat; the optical path adjusting device is simple in structure and reasonable in design, rotary fine adjustment of the optical path is achieved through threaded connection of the adjusting base and the flow cell cavity, the optical path can be adjusted without disassembling and assembling the flow cell, and convenience of experimental operation is improved. The lens and the cavity are directly matched and installed, the parallelism of the lens is ensured, and the detection precision is improved. In addition, a perfluoroether O-shaped sealing ring is adopted, so that the sealing performance is better, the corrosion resistance and the pressure resistance are stronger, and the stability and the reliability of equipment in a complex environment are ensured.

The invention relates to the technical field of electric energy meter wiring auxiliary equipment, and discloses a novel electric energy meter combined junction box, which comprises a junction box main body, guide raised lines arranged on the inner wall of the junction box main body and metal connecting pieces arranged between compression screws in a sliding manner, the metal connecting pieces are divided into a transverse metal connecting piece and a longitudinal metal connecting piece, and the transverse metal connecting piece and the longitudinal metal connecting piece are arranged at intervals in a staggered manner; by arranging the control mechanism and the driving mechanism, the manual and automatic dual control mode of the metal connecting piece is achieved, an operator can manually adjust the position of the metal connecting piece by rotating a button, and the metal connecting piece can be automatically controlled by rotating the button; the metal connecting piece can be automatically adjusted through a micro motor and a micro electric cylinder, operation is convenient and fast, applicability is high, and meanwhile through cooperation of multiple transmission modes such as gear transmission and bevel gear transmission, the precision and stability of metal connecting piece adjustment are improved.

This invention relates to the field of aircraft assembly technology and discloses an aircraft assembly lift, including a fixing assembly. The fixing assembly houses a first lifting assembly, and the first lifting assembly houses a fifth lifting assembly. The bottom of the fifth lifting assembly has a supporting foot, the top of which is fixedly installed to the bottom of the fixing assembly. The fixing assembly includes a fixed outer cylinder, an electrical unit fixedly connected to the outer side of the fixed outer cylinder, a support fixedly installed at the bottom of the fixed outer cylinder, a first cover fixedly connected to the outer side of the support, the outer side of the first cover fixedly installed to the outer side of the fixed outer cylinder, and a first gasket fixedly connected to the outer side of the support. This aircraft assembly lift uses four high-strength linear guides for its slide rails. When the lift is raised, it facilitates lateral drilling. When the lift is close to the aircraft fuselage or work frame, the handle can be rotated to tighten the screws and connect to the side interface.

The invention discloses a cylinder part water pressure detection tool, which comprises a compression screw, a base, a V-shaped sealing ring, a sealing cover, a fastening screw and a connector, and is characterized in that the compression screw is used for fixing the base on a hydraulic press workbench; the V-shaped sealing ring is mounted in the sealing grooves of the base and the sealing cover; the sealing cover and the connecting body are assembled and connected through a fastening screw; the connecting body is connected with the hydraulic press pressing sliding table, and the hydraulic press pressing sliding table is used for driving the connecting body and the sealing cover to move up and down; a to-be-detected cylinder part is installed between the base and the sealing cover, water is injected into an inner cavity of the cylinder part through the water inlet below the base, and under the action of water pressure, the V-shaped sealing ring is attached to the outer circle surface of the cylinder part to achieve sealing. And the V-shaped sealing ring is made of a rubber material. The problem that a sealing ring is short in service life and inconvenient to use during existing water pressure detection is solved.

The utility model relates to a clamping component for welding a garden cutter, which comprises a driving cylinder, a clamping component, a clamping component and a clamping component, and is characterized in that the driving cylinder is provided with a piston rod; the driving air cylinder is mounted on the base through a pin shaft; a first support plate and a second support plate, wherein the first support plate and the second support plate are both mounted on the base; the connecting piece is arranged between the first supporting plate and the second supporting plate, and the connecting piece is connected to the first supporting plate and the second supporting plate in a pivoted mode, so that the connecting piece can pivot relative to the first supporting plate and the second supporting plate; the pressing screw rod is installed on the connecting piece, and a nut is arranged at the end of the pressing screw rod; when a piston rod of the driving air cylinder stretches out and draws back, the connecting piece is driven to pivot relative to the first supporting plate and the second supporting plate, and therefore the pressing screw rod is driven to ascend and descend.

The invention provides an edge plate machining clamping device for a turbine guide vane of a gas turbine, and relates to the technical field of machining, a turbine guide vane to be machined is supported through a knife edge ruler and a ball head positioning pin arranged on an axial positioning seat, and main positioning and positioning in the in-out direction are achieved; an outer ring positioning seat, an outer ring pressing seat, a first guide pressing mechanism, a C-shaped pressing screw and a Z-shaped pressing plate are connected, and a lateral supporting force is applied in combination with an outer ring floating support, so that the turbine guide vane to be machined is tightly attached to a molded surface outer ring air inlet side positioning point; an inner ring positioning seat, an inner ring pressing seat, a first guide pressing mechanism, a C-shaped pressing screw and a Z-shaped pressing plate are connected, and in combination with an inner ring floating support, lateral supporting force is applied, so that the turbine guide vane to be machined is tightly attached to a molded surface inner ring air inlet side positioning point; and the blade body pressing seat, the limiting pin, the second guide pressing mechanism, the connecting rod and the check block apply downward pressing force, so that the main positioning surface of the turbine guide blade to be machined is tightly attached to the profile positioning point and the axial positioning point of the turbine guide blade.

The utility model belongs to the technical field of semiconductor process, and particularly relates to a vacuum furnace door for semiconductor process equipment, which comprises a furnace door body, the furnace door body is connected with a quartz tube through a vacuum flange, one side of the furnace door body far away from the quartz tube is connected with one end of a corrugated pipe, and the other end of the corrugated pipe is connected with a fixing plate. A fixing plate is arranged on the furnace door body, a pressing screw rod is installed on the fixing plate, and the fixing plate moves towards the direction close to the furnace door to enable the pressing screw rod to abut against the furnace door body. The corrugated pipe is arranged, and the fixing plate moves towards the direction close to the quartz tube, so that the furnace door body is driven to make contact with a vacuum flange on the quartz tube; and the furnace door body continuously and slowly moves towards the quartz tube, the corrugated pipe is compressed until the pressing screw presses the furnace door body, and the corrugated pipe also applies pressure towards the quartz tube to the furnace door body at the moment, so that the sealing performance between the quartz tube and the furnace door body is further improved.

The invention relates to an oil mill device for extracting oil from oil-containing seed material, comprising an oil mill with a tubular assembly (1), with a press barrel having an oil-containing seed material input with a tubular section (5), a tubular oil discharge (18), a tubular compression section (2) for oil-containing material, an oil-containing material output (65), an adjustable throttle (58) with an integrated heat exchanger (62), the press barrel accommodating a rotating compression screw (19) which is concentric to the press barrel (5), wherein the root diameter of the compression screw increases in the direction of travel from the oil-containing seed material input to the oil-containing material output (65).

The utility model discloses an automobile metal plate bending device which comprises an operation table and a frame body, the top of the operation table is connected with the frame body, the bottom of the operation table is connected with a supporting base, a rubber pad is embedded in the top of the operation table, the side face of the frame body is connected with a strip-shaped plate, and scale marks are arranged on the top of the strip-shaped plate. The inner side of the strip-shaped plate is slidably connected with a transverse plate. According to the automobile metal plate bending device, a strip-shaped plate is installed on the top of an operation table, a transverse plate is connected to the inner side of the strip-shaped plate in a sliding mode, a pressing screw rod and pressing plates are installed in a reinforcing plate, the pressing screw rods on the tops of the pressing plates are screwed, the pressing plates on the two sides are pressed on the top of a metal plate, and before the metal plate is bent, the pressing plates on the two sides of the strip-shaped plate are clamped; and plates of different specifications and sizes can be pressed tightly, and the plates of different lengths can be clamped and fixed conveniently in the using process.

The utility model relates to a roll insert cutter of indexable gear, and relates to a cylindrical gear processing cutter. The utility model solves the problems of traditional roll insert method, such as vertical installation, non-anti-upwarping and risk of loosening and falling during processing. The cutter body is in a circular structure, and the circumference of the cutter body is provided with uniformly arranged blade grooves. The roll insert cutter blade of hard alloy is arranged in the blade groove, and is pressed in the blade groove by a pressing screw. The blade is made into an inverted inclined surface, and the blade groove is made into a corresponding positioning form, so that a pressing force is naturally formed to prevent the blade root from being upwarping. The utility model saves cost and improves work efficiency, maximally improves the strength of the roll insert cutter, increases the cutting depth and cutting speed, and shortens the processing time.

The utility model discloses a combined type quick-change jaw structure which comprises a fixed jaw and a quick-change jaw, a T-shaped open slot is formed in one side, facing the fixed jaw, of the quick-change jaw, a locking rod is inserted into the T-shaped open slot, the head of the locking rod is in a T shape matched with the T-shaped open slot, and the head of the locking rod is connected with the fixed jaw. A spring is arranged on the side, away from the T-shaped open groove, of the locking rod, the top of the locking rod is connected to the driving rod, the fixed jaw is connected with a compression screw matched with the driving rod, and a clamping spring matched with the compression screw is connected into the driving rod. Compared with the prior art, the utility model has the advantages that: 1, the jaw structure of the combined type quick-change flat tongs is provided, and the problem that the jaw of the existing flat tongs is inconvenient to replace is solved; 2, the jaw is efficiently and quickly replaced, the replacement time of the jaw is shortened, and the production efficiency is improved;

The dental implant structure with the zero-degree composite abutment comprises an implant, the zero-degree composite abutment, a compression screw and a dental crown, the implant is in threaded connection with the zero-degree composite abutment, and the zero-degree composite abutment is in inserted fit with the dental crown and then compressed on the zero-degree composite abutment by the compression screw, so that full-screw connection is realized; and the defects caused by full glue connection and full clamping connection are avoided. The dental implant structure disclosed by the utility model is stable and reliable in overall connection strength, and a dental crown can be directly mounted on a zero-degree composite abutment.

The invention relates to the technical field of bolt machining, in particular to a clamping tool and method for drilling holes in the head of a hexagonal head bolt product, and the clamping tool comprises a bottom plate, a support body and a sliding block; the support body is mounted on the top surface of the bottom plate; a supporting block and a door-shaped frame are integrally formed on the top face of the support body. The supporting blocks and the door-shaped frame are arranged at intervals to form air opening grooves. A plurality of V-shaped grooves are formed in the top surface of the supporting block; a plurality of pressing plates are installed on the top face of the supporting block through compression screws, and each V-shaped groove is correspondingly provided with one pressing plate. The sliding block is inserted into the door-shaped frame in a sliding mode, and the front end of the sliding block extends into the air switch groove. A plurality of hexagonal grooves are formed in the top face of the sliding block, and the positions of the hexagonal grooves correspond to the positions of the V-shaped grooves.

The utility model relates to the field of machining, and discloses an automotive auxiliary tool for machining a large-size elastic washer, which comprises a chassis, a pressing ring, a compression screw and an auxiliary top tray, the chassis is installed on a three-jaw chuck of a lathe, the pressing ring is installed on the right end face of the chassis, and the pressing ring tightly presses the periphery of a rubber square plate on the right end face of the chassis. The auxiliary top tray is used for tightly jacking the middle part of the rubber square plate; a center hole matched with a movable center of a lathe tailstock is formed in the right end face of the auxiliary top disc, and the movable center abuts against the auxiliary top disc through the center hole. When being used for machining workpieces, the elastic rubber pad turning clamp can adapt to different sizes, can carry out turning machining on rubber pads with large elasticity, solves the problems of clamping and positioning in turning machining of the elastic rubber pads with large inner hole sizes, and meets the requirement for large-batch production and machining of the parts of the type.

Exemplary pin and sleeve devices and locking devices are described. Opposite to the connector rear body, a cable clip is placed on the compression screw and has two portions that can slide away from and toward each other and receive a cable therebetween. This allows for larger diameter cables to be accepted, allowing the pin and sleeve arrangement to accommodate a wider range of cables, rather than relying on two pivots that cannot be changed to increase or decrease the opening therebetween. An assembly utilizing a waterproof or non-waterproof secondary thread may be used in place of a cable clamp assembly.

The utility model discloses a secondary labeling device which comprises a secondary labeling component assembled on a rack, and the secondary labeling component comprises a capsule feeding device, a label stripping device and a labeling component, the capsule feeding device is used for horizontally and continuously feeding extraction capsules; the label stripping device is used for stripping a secondary label on a label coiled material from a release film, and the stripping position of the label stripping device corresponds to the working position of the labeling assembly and the surface of the extraction capsule entering the labeling position; the labeling assembly is used for pasting the stripped secondary label on the surface of the extraction capsule entering the labeling position, the labeling assembly comprises a rod frame, a kidney-shaped hole formed in the length direction of the rod frame is formed in the rod frame, and the labeling assembly adjusts the position of the rod frame through the kidney-shaped hole and a pressing screw matched with the kidney-shaped hole. A nylon brush is assembled at the front end of the rod frame to serve as a labeling structure. The secondary labeling device disclosed by the utility model can be used for accurately labeling the surfaces of the capsules and improving the production efficiency and the labeling quality.

The utility model discloses a stacked multi-star release mechanism adopting modular components, which is characterized by comprising a base (1), a separation seat (2), a T-shaped pressing rod (3), a pressing rod control block (4), a large pressing rod (5), a stacking column (6), a pressing cover (7), a hinge (8), a pressure spring A (9), a push rod component (10) and a pressing screw (11). The separation seat (2), the hinge (8) and the push rod assembly (10) are all modular assemblies, are simple in structure and easy to assemble and produce, and can be compatible with stacking columns in various forms.

The utility model discloses a circuit board welding clamp which comprises a base. Supporting arms are symmetrically arranged at the left end and the right end of the surface of a plate body of the base, and a bearing plate is hinged between the two supporting arms. A pressing mechanism is installed on the rear side edge of the bearing plate, and gear mechanisms are installed on the other three side edges of the bearing plate. The multiple pressing mechanisms are distributed along the rear side edge of the bearing plate at intervals, and each pressing mechanism comprises a fixing block, a threaded seat and a pressing screw rod; the fixing block is used for being fixedly connected with a bearing plate, the threaded seat is arranged at the top of the fixing block in a supporting mode, the pressing screw rod is assembled in a threaded hole of the threaded seat through a threaded structure, a twisting handle is arranged at the top end of the pressing screw rod, and a pressing head is arranged at the bottom end of the pressing screw rod. The probability that the circuit board is separated from the clamp is effectively reduced, unnecessary damage to the circuit board is avoided, and a more reliable fixing effect is provided for welding operation of the circuit board.

The utility model belongs to the technical field of aviation equipment, and relates to a special tool for measuring the axial clearance of an aircraft synchronizer, which comprises a dial indicator, a supporting rod, an adjusting frame, a lifting sheet, a pressing sheet, a tool base, a pressing sheet support and a lifting sheet placing plate. When the tool is used, the synchronizer is installed on the tool base, a wire of the synchronizer penetrates through the installation hole of the tool base, the synchronizer shaft is installed upwards, and at the moment, attention is paid to not damage the wire. And the pressing sheet is pressed on the synchronizer, and the butterfly nut is tightened. The synchronizer shaft is sleeved with the fixing base of the lifting piece, and the compression screw is locked. The dial indicator is installed on the supporting rod, and the fixing nut of the dial indicator is locked after the measuring shaft of the dial indicator is vertically downward. The supporting rod is moved up and down through the adjusting frame, so that the measuring shaft of the dial indicator is aligned with the synchronizer shaft, and the scale value zero position is adjusted. The lifting sheet is lifted up and down, the reading of the dial indicator is observed, and the value is the axial clearance value of the synchronizer.

The special-shaped part hoisting device comprises a hoisting support and compression screws, the hoisting support comprises arc-shaped plates, connecting pipes, a middle supporting plate, side supporting plates, threaded blocks, an upper plate and a lower plate, the positions of the two arc-shaped plates are opposite, and the multiple connecting pipes are connected between the two arc-shaped plates; the two pairs of upper plates and lower plates are connected to the inner side arc-shaped face of the arc-shaped plate, the upper plates are located on the upper portions of the lower plates, upper plate opening grooves are formed in the front ends of the upper plates, the threaded blocks are connected into the upper plate opening grooves, threaded through holes are formed in the threaded blocks, and the compression screws are installed in the threaded through holes. A lower plate opening groove is formed in the front end of the lower plate, the middle supporting plate is connected to the side portion of the arc-shaped plate, the side portion of the upper plate and the side portion of the lower plate are connected with side supporting plates respectively, and the side supporting plates and the middle supporting plate are located on the same side. The invention further discloses a using method of the special-shaped part hoisting device. Reliability and convenience in the mounting process of the special-shaped part can be effectively guaranteed, and the precision requirement of follow-up assembly is met.

The utility model relates to the technical field of conductive connecting devices, and provides a watertight connector, which comprises a first shell, a second shell, a coupling nut, a plug insulator, a socket insulator, a first through hole, a second through hole, a jack, a pin, a compression nut and a grounding copper ring, the connecting nut is arranged between the outer side of the first shell and the outer side of the second shell, the plug insulator is arranged in the first shell, the socket insulator is arranged in the second shell, and the first through hole is formed in the plug insulator. The limiting block designed on the contact pin is matched with the limiting groove in the second through hole, and the width of the limiting groove is larger than that of the limiting block, so that the jack can smoothly receive the contact pin and keep a certain tightness, and the plugging operation is facilitated; therefore, the contact pin can adapt to and allow certain manufacturing errors in the plugging and unplugging process.

The utility model discloses a high-performance multipoint temperature measurement sheathed thermocouple, which relates to the technical field of thermocouples and comprises a junction box, a first outer ring color label and a first inner ring color label are respectively arranged above the outer surface of the junction box, and a second outer ring color label and a second inner ring color label are respectively arranged below the outer surface of the junction box. According to the utility model, through the arrangement of the wire holder, the pressing screws and the flat cable seat, when a certain thermocouple wire is damaged, the corresponding pressing screw is unscrewed, then the damaged armored sleeve, the damaged insulating heat-conducting layer and the damaged thermocouple wire can be pulled out, and then a new armored sleeve, a new insulating heat-conducting layer and a new thermocouple wire are inserted into the flat cable seat. Through the arrangement of the wire arrangement seat, thermocouple wires can be conveniently arranged in order, the thermocouple wires are prevented from being wound and knotted in the junction box to influence the disassembly and assembly, and then the corresponding pressing screws are screwed down, so that the thermocouple wires are pressed in the wire arrangement seat to switch on the current; the damaged thermocouple wire can be conveniently and independently replaced, and the operation is simple and convenient.

The invention relates to the technical field of shear tests, and discloses a combined shear box for a soil body sample under the action of a dry-wet cycle and a test method. Wherein the shearing box comprises a dry-wet circulation mold, a shearing outer box, a sample, a permeable stone, a bearing plate and steel balls, the dry-wet circulation mold comprises an upper mold body inner frame, a lower mold body inner frame, an upper permeable frame, a lower permeable frame, a rolling row and a pressing screw, and the shearing outer box comprises an upper shearing outer box and a lower shearing outer box; and the upper shearing outer box and the lower shearing outer box are respectively provided with a left force transmission connecting end and a right force transmission connecting end. According to the invention, a plurality of samples can be subjected to dry-wet circulation synchronously, the test arrangement is optimized, the manufacturing cost is obviously reduced, the problem that the sample structure is damaged in the transfer and water adding process in the traditional method is effectively solved, the test accuracy and reliability are improved, and the test efficiency is improved. The design of the permeable frame, the drainage channel and the water outlet hole accelerates the wetting and drying process of the sample, and shortens the total test time.