54results about How to "Change length" patented technology

The utility model discloses a separating structure for separating a circuit breaker in an adjustable low-voltage cabinet, which relates to the technical field of low-voltage cabinets and comprises a cabinet body, a plurality of hollow connecting rail bars which are vertically arranged are fixed on one side of the inner wall of the cabinet body, a plurality of grooves which are vertically arranged are arranged on the other side of the inner wall of the cabinet body, and inner grooves are arranged in the grooves. Supporting rail bars are arranged in the multiple inner grooves in a sliding mode. And a plurality of adjustable separating pieces. The adjustable partition piece can be arranged at different positions through the inserting rail strips and the supporting rail strips, the two magnetic attraction rotating strips on the fixing strip are pulled out of the corresponding inserting grooves through the connecting belts, and then the transverse connecting plate or the vertical connecting plate connected with the fixing strip can be pushed and pulled, so that the length and the height of the partition piece are changed; and after the size is adjusted, the position of the magnetic suction rotating strip is fixed by using the suction force of the magnetic suction sheet, so that the separators can separate different types of circuit breakers, and the flexibility and expansibility of the separation structure are improved.

The utility model discloses a hanging rope assembly and terminal equipment, the hanging rope assembly comprises a first sliding fastener, a second sliding fastener, a hanging rope and a connecting rope, the first sliding fastener is provided with a first channel, the second sliding fastener is provided with a second channel, the hanging rope is provided with a hanging section used for being hung on a wearing part of a wearer, and the connecting rope is connected with the hanging section. The two ends of the hanging rope extend to the first side of the first sliding fastener through the first channel and are connected with the second sliding fastener, the connecting rope is provided with a connecting section used for being connected with the mobile terminal, at least one end of the connecting rope extends to the first side of the second sliding fastener through the second channel and is connected with the first sliding fastener, and the position of the hanging rope relative to the first channel is adjustable. And the position of the connecting rope relative to the second channel is adjustable so as to change the length of the connecting section. The rope length adjusting process can be simplified, and rope length adjustment is facilitated.

This invention provides a bracket, a heat exchange component, and an air conditioner. The bracket is disposed on a heat exchanger and is used to fix the sterilization component. The bracket includes: a first bracket; a second bracket; and a connecting rod, which includes a first end and a second end, the first end being connected to the first bracket and the second end being connected to the second bracket. The first bracket is used to rotate around the first end, and the second bracket is used to rotate around the second end. The problem solved by this invention is how to make the sterilization bracket usable in different models of air conditioners. Compared with the prior art, the technical effect achieved by this invention is that by rotating the first and second brackets, the overall length of the bracket is changed, thereby enabling the bracket to adapt to different models of air conditioners.

This utility model discloses a cold-rolled steel coil shearing device, relating to the field of steel coil shearing. The device includes a mounting bracket with a hollow interior. Supporting vertical plates are fixedly connected to both sides of the upper end of the mounting bracket. Cutting shears are slidably connected to the outer walls of the supporting vertical plates. The cutting shears move downwards to shear the steel plate. A mounting vertical plate is detachably connected to the side of the mounting bracket closest to the supporting vertical plates. The device places the steel plate below a conveyor roller, which rotates to transport the steel plate towards the cutting shears. The cutting shears move downwards to cut the steel plate. Clamping wheels on both sides clamp the outer walls of the steel plate, preventing lateral movement during transport. The extension and retraction of an electric telescopic rod allows the U-shaped frame to move upwards or downwards, and the sliding rod allows the clamping wheels to move upwards or downwards.

This invention discloses a construction solid waste conveying device, relating to the field of conveying technology. To solve the problem of material leakage, it specifically includes a conveying frame with a conveying assembly on its inner side. A feeding hopper is located at the top of the conveying frame on the infeed side, and an extended guide plate is located on the discharge side. The conveying assembly includes multiple linearly arrayed conveying rollers rotatably connected to the inner side of the conveying frame via roller shafts, and a conveyor belt driven by the outer walls of the multiple conveying rollers. Pullers are connected to the outer walls of the roller shafts via keys. This invention adds a conveyor belt to the roller conveyor system to close the gaps. Furthermore, by adding multiple partition plates, it prevents waste from rolling downwards during vertical lifting operations. The partition plates are also shaped like the letter "I," forming a relatively enclosed rectangular storage space, thus limiting the waste around its perimeter, preventing leakage, and improving conveying efficiency.

The present application relates to steel formwork turning plate technical field, especially to a kind of steel formwork turning plate structure for power plant chimney and use method.It includes fixed seat, the fixed seat is provided with symmetric and evenly distributed through-hole, the fixed seat is fixed with first hydraulic rod, the fixed seat is slidably connected with mounting seat, the mounting seat is slidably connected with first steel plate, the first steel plate is provided with symmetric and evenly distributed through-hole, the mounting seat is fixed with second hydraulic rod, the first steel plate is rotatably connected with symmetric distribution second steel plate, the first steel plate is hinged with symmetric distribution first fixed shell, symmetric distribution the first fixed shell is slidably connected with first sliding rod on opposite side.The first sliding rod of the present application pushes adjacent second steel plate to produce rotation, so as to change the overall arc of the device, so that the device can adapt to the construction of various diameter chimneys, reduce the formwork cost when chimney is built.

The utility model provides an adjustable weather modification rocket launching guide rail, including mainframe box, rotary support frame, adjusting plate, rocket launching guide rail, main guide rail, first telescopic vice guide rail and second limit vice guide rail, the rotary support frame is installed on mainframe box upper end, be provided with adjusting plate in the rotary support frame, be installed with rocket launching guide rail on adjusting plate upper end, be provided with main guide rail in rocket launching guide rail, be provided with first telescopic vice guide rail in main guide rail, be provided with second limit vice guide rail in main guide rail, this design has solved the problem that needs to change different model rocket frame guide rail back and forth when the launch of two kinds of rocket bomb length is inconsistent, the utility model discloses reasonable in structure, be provided with movable frame through setting up in fixed frame front end, it cooperates with sliding limit seat and first telescopic vice guide rail and second limit vice guide rail, need not to change rocket launching guide rail to launch different model rocket bomb.

This invention discloses a rotary jet suction dredging device, comprising a floating platform on which a vacuum jet pump connected to a drive mechanism and a guide mechanism is mounted; the drive mechanism includes two mutually perpendicular hydraulic telescopic rods, one end of which is hinged to the floating platform, and the other end of which is connected to the side wall of the vacuum jet pump via a universal joint; the guide mechanism includes inner and outer guide sleeves fitted around the vacuum jet pump, the inner guide sleeve and the vacuum jet pump being connected via coaxial left and right rotating shafts, and a coaxial front and rear rotating shaft passing through the outer guide sleeve, one end of which is connected to the inner guide sleeve, and the other end of which is connected to the floating platform, with the front and rear rotating shafts perpendicular to the left and right rotating shafts; the outer guide sleeve is provided with front and rear clearance grooves to accommodate the passage of the inner guide sleeve; the vacuum jet pump is connected to a suction head, a high-pressure air supply pipe, and a sludge conveying pipe. This invention achieves dredging needs covering all water depths from shallow to deep water, with high dredging efficiency and safe and simple operation.

The utility model provides a cutting tool, which relates to the technical field of cutting devices and comprises a base station, a limiting plate, a clamping component and a cutting component. A first control structure for controlling the limiting plate to be slidably arranged on the upper surface of the base table in the length direction of the base table is arranged on the base table; an avoiding groove is formed in the base table, the cutting assembly comprises a circular saw blade, the circular saw blade is arranged above the avoiding groove, the limiting plate is arranged on one side of the avoiding groove, the clamping assembly comprises two clamping vertical blocks, and the two clamping vertical blocks are symmetrically arranged at the two ends of the other side of the avoiding groove; side notches are formed in the sides, close to each other, of the two clamping vertical blocks, transverse plates are elastically arranged in the side notches in the vertical direction, second control structures for controlling the transverse plates to move downwards are arranged on the clamping vertical blocks, one ends of the transverse plates extend out of the side notches and are horizontally and fixedly connected with two pressing plates, and the pressing plates are perpendicular to the transverse plates. The two pressing plates are located above the two sides of the receding groove correspondingly. The problem that fixed-length cutting cannot be conducted on an aluminum plate according to requirements is solved.

The utility model relates to pipe fitting cutting technical field discloses a pipe fitting clamping mechanism for band saw cutting device, including first clamping mechanism and second clamping mechanism that set up in cutting table from left to right in proper order, first clamping mechanism includes the installation frame of left and right two ends opening, the installation frame has first clamping piece and second clamping piece from left to right in proper order, the first installation hole that the upper end of installation frame is opened has for the first cylinder stretches into, the piston rod of first cylinder passes through first installation hole and stretches into the inside of installation frame, second clamping mechanism includes support frame and fixed frame, support frame is fixed on fixed frame, the second installation hole that support frame is opened has for the piston rod of second cylinder stretches into, the piston rod of second cylinder passes through second installation hole and stretches into down and is fixedly connected with third upper circular arc clamping portion, the third lower circular arc clamping portion that fixed frame is located third upper circular arc clamping portion's just below is provided with.

The application relates to the technical field of yarn processing, in particular to a rotary type textile twisting device, which comprises a support, a first wire guide and a second wire guide, the first wire guide and the second wire guide are oppositely arranged on the outer side of the support, the top surfaces of the first wire guide and the second wire guide are both provided with wire guide openings, and the inner walls of the wire guide openings are provided with twisting assemblies. The yarn can be placed in the first wire guide and the second wire guide, the two twisting rollers with opposite rotating directions are simultaneously rotated, the effect of false twisting in the wire leading process can be achieved, one end is stationary, one end pulls out the yarn, one-way twisting operation can be carried out, in addition, the setting of the leading sleeve can stably output the twisted yarn, in addition, the first wire guide and the second wire guide are set as adjustable distance structures, the stress length and time of the yarn in the twisting area can be changed, and then the twist distribution of different parts of the yarn can be accurately controlled.

The utility model discloses a water area salvaging device which comprises a salvaging head used for salvaging floating objects on water. The telescopic rod comprises a first hollow rod, a second hollow rod and a locking structure, a fishing head is installed at one end of the first hollow rod, the radial outer surface of the first hollow rod is matched with the inner surface of the second hollow rod, the second hollow rod and the first hollow rod can slide relatively, and the locking structure is arranged between the first hollow rod and the second hollow rod; the locking structure is used for connecting and fixing the second hollow rod and the first hollow rod; the floating body is connected to the side, away from the first hollow rod, of the fishing head, and the floating body is used for preventing the fishing head from sinking into water. According to the utility model, the problems of operation risk and storage caused by insufficient or overlong length of the traditional handheld rod are solved, and the operation difficulty is reduced.

The utility model discloses an adjustable steel structure support frame, the utility model relates to steel structural member technical field. Include: main body structure, the outer wall fixedly connected with steel sheet of main body structure, adjusting structure, the outer wall sliding connection with the outer wall of main body structure of adjusting structure, adjusting structure is used for changing the length of this support frame, the main body structure includes the package frame, the outer wall symmetrical fixed connection of package frame has the limit strip, and the wall of package frame is equipped with the through groove, adjusting structure includes transmission structure, the outer wall screw thread connection of transmission structure has the sliding structure, through setting adjusting structure, make this support frame have the adjusting function and can change the length of entire support frame, reached the purpose of adapting the demand of different size, set adjusting structure and main body structure cooperation simultaneously, guarantee the stability and accuracy of the adjusting process.

The utility model relates to the field of cement sampling, and discloses a cement sampling device for building supervision, which comprises a material taking cylinder, the rear side of the material taking cylinder is in sliding connection with a sliding cylinder, the inner wall of the sliding cylinder is provided with a sampling mechanism, the sampling mechanism comprises a sampling assembly and a material taking assembly, the sampling assembly comprises a push rod, and the push rod is connected with the sliding cylinder. The push rod is slidably connected to the inner wall of the sliding barrel, a sleeve is arranged on the front portion of the push rod, the push rod is elastically connected with the sliding barrel through a first reset spring, a blocking piece is fixedly connected to the front side of the sleeve and slidably connected to the inner wall of the front portion of the material taking barrel, and a through hole is formed in the front portion of the material taking barrel. According to the cement sampling device, the conical surface at the front part of the material taking barrel is inserted into a cement bag, and the push rod is pressed in the insertion process, so that the blocking piece slides out of the inner wall of the material taking barrel, cement is pushed into the inner wall of the material taking barrel from the through hole, the cement is prevented from entering the device and blocking parts, and the sampling efficiency of the device is improved.

This utility model relates to the field of containerized flexible pallet technology, specifically a flexible and adjustable containerized flexible pallet. The utility model includes a pallet body, with four fixing straps fixedly connected to the surface of the pallet body. Adjusting buckles are fixedly connected to the surfaces of the fixing straps, and adjusting straps are slidably connected to the inner surfaces of the adjusting buckles. Screws are threaded into both sides of the adjusting buckles, and a locking plate is rotatably connected to one end of each screw. One side of the locking plate abuts against the adjusting strap. By rotating the screws, the threaded connection between the screws and the adjusting buckles causes the locking plate to move, allowing for flexible adjustment of the position of the adjusting straps within the adjusting buckles, thereby changing the length of the fixing straps. This achieves secure binding and fixing of goods of different sizes and shapes, improving the pallet's applicability and avoiding the problems of traditional pallet fixing methods where the fixing structure is not adjustable or inconvenient to adjust, making it difficult to adapt to different specifications of goods, resulting in insecure or impossible fixing.

The utility model relates to a multi-person collaborative inspection platform, which comprises a master console and a turnover table plate mechanism, the main console comprises a main machine body, hinge seats and a positioning groove, and the hinge seats are arranged on the two sides of the main machine body; the overturning table plate mechanism comprises an expansion table plate hinged to the hinge seat, and a supporting rod hinged to the expansion table plate is arranged on the lower surface of the expansion table plate. According to the utility model, by arranging components such as the main control table and the overturning table plate mechanism, through the matching relationship between the expanding table plate and the supporting rod, the supporting rod can rotate by taking the first hinging piece as the circle center, and the supporting piece after rotation can support the expanding table plate, so that the effect of expanding the expanding table plate is realized; the inspection platform can meet the effect of multi-person collaborative operation, the effect of changing the total length of the supporting rod is achieved through the arrangement of the hinge arm and the supporting sleeve, and the length requirement for supporting the expansion table plate is met.

The utility model discloses a winding film winding cylinder, including telescopic first cylinder and second cylinder, first cylinder's other end is provided with first annular stop portion, and the outer peripheral side wall of the other end of first cylinder is provided with a plurality of first convex rib on the side close to first annular stop portion, and a plurality of first convex rib is sequentially spaced apart along the circumferential direction of first cylinder, the other end of second cylinder is provided with second annular stop portion, and the outer peripheral side wall of the other end of second cylinder is provided with a plurality of second convex rib on the side close to second annular stop portion, and a plurality of second convex rib is sequentially spaced apart along the circumferential direction of second cylinder, by this, it can be applicable to different width winding film, can be applicable to different diameter size winding film roll material, and the applicability is improved.

The utility model belongs to the field of tooth punching machines, and relates to a tool distance adjusting mechanism of a metal sprocket double-tool tooth punching machine, which comprises a tool apron, a main blade is fixed below the tool apron, the tool bit of the main blade faces downwards, an adjusting blade is arranged on the side edge of the main blade, and the tool bit of the adjusting blade also faces downwards and is horizontally arranged with the tool bit of the main blade. A groove is formed in the middle of the adjusting blade, an adjusting fixing block is arranged in the groove and fixedly connected with the main blade, a screw hole is formed in one end of the adjusting blade, an adjusting jackscrew is arranged in the screw hole, one end of the adjusting jackscrew is in threaded connection with the screw hole, a polished rod part is arranged at the other end of the adjusting jackscrew, and limiting ends are arranged at the two ends of the polished rod part. The polished rod part extends into the open groove and is rotationally connected with the adjusting fixing block, a through groove matched with the polished rod part is formed in the adjusting fixing block, the limiting ends of the two ends of the polished rod part abut against the two sides of the adjusting fixing block, and the device has the advantages that the cutter distance can be conveniently adjusted, so that the length of the punching teeth is adjusted.

The patent relates to the technical field of vehicle seats, in particular to a pneumatic high-lift damping seat, which comprises a seat body, a mounting bottom plate and a height adjusting assembly. The height adjusting assembly comprises an inner cylinder, an outer cylinder, a gas spring, an unlocking handle, a cable, a locking pin, a locking plate, a fixing plate and a support plate. The gas spring is fixed inside the inner cylinder and the outer cylinder. The fixing plate is fixedly connected with the top of the gas spring. The support plate is fixed at the bottom of the inner cylinder. The unlocking handle is rotationally connected with the fixing plate. The locking pin is slidingly connected with the support plate. The locking plate is fixed on the inner wall of the outer cylinder. The locking pin can be inserted into the locking plate through the inner cylinder. The two ends of the cable are respectively connected with the unlocking handle and the locking pin. The unlocking handle is linked with the locking pin through the cable. The height of the seat body can be adjusted by pressing or releasing the pressure, so that the height of the seat body can be adjusted in a large range and quickly. The problem that the height adjusting range of the existing vehicle seat is small and not suitable for special vehicle seats is solved.

This utility model discloses a sealing machine for food packaging bags, comprising: a frame, a pair of sliding rods arranged between the front and rear inner walls of the frame, a telescopic cylinder fixedly connected to the front inner wall of the frame, the telescopic cylinder being located between the sliding rods, and a first sliding plate, a second sliding plate, and a third sliding plate sequentially slidably connected to the sliding rods; rotating plates rotatably connected to the left and right inner walls of the frame, first push rods rotatably connected to both sides of the first sliding plate, the other end of the first push rods rotatably connected to the lower end of the adjacent rotating plate; second push rods rotatably connected to both sides of the third sliding plate, the other end of the second push rods respectively rotatably connected to the upper end of the adjacent rotating plate, the third sliding plate cooperating with the second sliding plate, and a heat pressure plate arranged between the first and second sliding plates; an adjusting rod for adjusting the length of the first push rod is provided in the middle of the first push rod, which can flexibly adjust the heat pressure of the heat pressure plate on the packaging bag according to different sealing requirements, thereby improving the flexibility and applicability of the sealing machine.

The utility model relates to medical instrument technical field, specifically disclose a kind of special depth-limiting bone chisel of endoscope channel, comprising: hand-held part;Knocking part;And bone chisel main part;Bone chisel main part one end is bone chisel head, and the other end is set in hand-held part, and the outside of the connection with hand-held part is equipped with the adjusting part of cylindrical shape, the adjusting part outside is sleeved with depth-limiting sleeve;Depth-limiting sleeve, depth-limiting sleeve is connected with the adjusting part outer thread by internal thread, and depth-limiting sleeve is close to bone chisel head end and is equipped with annular groove, and bone chisel head is embedded in annular groove by annular groove sleeve connection depth-limiting shell;Depth-limiting shell, the inside of depth-limiting shell is equipped with the groove that can pass through bone chisel main part, and it is equipped with the outer expansion baffle near bone chisel head, and it is equipped with the convex in annular groove away from bone chisel head end. The special depth-limiting bone chisel of endoscope channel is through the characteristics such as adjustable chisel depth, prevent the protection mechanism of chisel and go deep, easy to operate and durable stable structure, significantly improve the deficiency of traditional depth-limiting bone chisel.

This utility model relates to the field of jaw plate frame technology, specifically a jaw plate frame with a reinforced structure. The fixed plate has slide rails on both its front and rear sides. A reinforcing rib is installed on the left side of the fixed plate, and a stud is installed on the left side of the reinforcing rib. A fastening nut is installed at the center of the stud's periphery, and the fastening nut is threadedly connected to the stud. An adjusting nut is threadedly connected to the left periphery of the stud, and a ball joint is installed on the left side of the adjusting nut. The beneficial effects are: the reinforcing ribs on the fixed and movable plates effectively enhance the strength of the fixed plate, increase resistance to the huge reaction force and impact load from the jaw plates, and improve structural strength. After the jaw plates are installed on the fixed and movable plates, the length of the stud extension can be changed by rotating the adjusting nut, and the fastening nut can be rotated to tighten the adjusting nut, preventing loosening due to vibration. The four sets of ball joints facilitate adjustment, thereby aligning the jaw plates on the fixed and movable plates and preventing uneven force during breakage.

The present application relates to the field of fruit peel extract filtering, and discloses a coffee fruit peel extract filtering device, which comprises an extension assembly and a frame variable assembly, the extension assembly comprises rotating boxes arranged in cross; a hollow rotating pipe penetrates through the rotating boxes and is rotationally connected with the rotating boxes; cutters are installed on the rotating boxes, and a cutting edge is formed between two abutting cutters; an adapter box is fixedly installed on the rotating boxes and is connected with the hollow rotating pipe; top blocks are fixedly installed on the rotating boxes, and a second gas conveying pipe connected with the adapter box is arranged between the top blocks, and the second gas conveying pipe is provided with a one-way jet pipe; during the deformation of the extension assembly, when a motor drives the second rotating plate to rotate, the extension assembly is deformed, the solid-liquid mixture of coffee fruit peel is continuously turned over, and solid-liquid separation is promoted; meanwhile, the wedge-shaped blocks, extrusion pipes and other parts of the gas supply mechanism work synchronously, gas is conveyed to the one-way jet pipe, and the jetted gas can impact the coffee fruit peel covering the surface of the filtering opening, so that the coffee fruit peel is removed.

This invention provides an auxiliary system and construction method for positioning and installing lattice columns. The auxiliary system includes a guide frame and a positioning mechanism. The guide frame can be nested and inserted into the lattice column and is detachably connected to it. The guide frame includes a positioning frame and multiple first positioning blocks fixed to the outside of the positioning frame. The positioning mechanism controls the center deviation and verticality of the lattice column by adjusting the center deviation and verticality of the guide frame. The positioning mechanism includes a hollow rectangular frame, four jacks installed at the bottom of the four corners of the rectangular frame, and an adjustment mechanism for adjusting the orifice size through which the guide frame passes. The orifice is located within the rectangular frame, and its size matches the size of the positioning frame. The multiple first positioning blocks are located on and abut against the rectangular frame. By using this auxiliary system to install lattice columns, the positioning difficulty of ultra-long hollow lattice columns is reduced, the positioning operation time is effectively shortened, and the positioning effect is stable and reliable.

The utility model belongs to the technical field of sports equipment placing stand, specifically speaking is a kind of sports equipment placing stand, including first base, install first connecting frame on the first base, install first nut on the first connecting frame, first screw rod is assembled in the first nut, and the placing layer includes two mounting plates, a plurality of support rods are installed between the two mounting plates, the two guide rods on the first base and second base are driven to move synchronously relative, the guide rod drives the two mounting plates on all placing layers to move synchronously relative, the plurality of support rods on the two mounting plates are driven to perform telescopic motion, that is, the outer tube and inner tube on the support rod are driven to move synchronously relative by the two mounting plates respectively, the inner tube is retracted into the outer tube, the length of support rod changes, the structure can change the length of the whole placing stand, and the length of the placing stand can be adjusted according to space requirement or placing demand, which is beneficial to improve the adaptability of the device to space.

The utility model discloses a special dismounting torque wrench of oil drain bolt relates to automobile dismounting technical field, and its technical key points include sealed magnet ring, foldable oil pipe, wrench handle, wrench shank, torque adjustment knob, wrench handle, first wrench handle cover, second wrench handle cover, third wrench handle cover, foldable oil storage tank, sleeve and have hole square tenon, sealed magnet ring fixed mounting is in the upper end of foldable oil pipe, foldable oil pipe fixed connection is on the upper end of wrench handle, and foldable oil storage tank is screwed in the bottom of wrench handle. Technical effect is that oil directional flow can be realized to prevent splashing effectively, and integrated output torque adjustment, oil storage and folding storage structure can satisfy the torque control demand of accurate operation, and oil recovery and tool folding storage are convenient.

The utility model relates to mutton processing equipment technical field, and disclose a conveying equipment for sheep slaughtering and processing, the conveying equipment for sheep slaughtering and processing, including conveyer frame, the side wall fixed mounting of conveyer frame has the guide cylinder frame, the outside of guide cylinder frame is provided with anti -blocking mechanism, the outside of guide cylinder frame is provided with the promotion mechanism, the transmission motor fixed mounting is in the side wall of guide cylinder frame, the output fixed mounting of transmission motor has the round roller, the camber surface fixed mounting of round roller has the cutter. The conveying equipment for sheep slaughtering and processing, transmission motor drives the rotation of round roller, and the rotation direction of two round rollers is different, and the subsequent falling into the conveyer frame is conveniently carried out to the cutting of mutton, is simultaneously matched with the installation ring rotation, makes the swing board drag part mutton, and the setting of torsional spring facilitates the rotation of swing board, better carries out the capture to mutton, and conveniently cuts while promoting the mutton and falls from the below of guide cylinder frame and prevents the blockage.

This utility model discloses an anti-detachment grounding rod, relating to the field of power maintenance tool technology. It includes: a wire clamp head with an opening on its lower surface, a clamping element installed inside the opening, an assembly mounted on the lower surface of the opening, a telescopic fitting mounted on the outer wall of the assembly, a rod mounted at the lower end of the telescopic fitting, a U-shaped clamping head with a clamping rod mounted at its lower end, and multiple first clamping holes arranged vertically at intervals on the outer wall of the clamping rod. The assembly includes a hollow cylinder communicating with the opening, a threaded connection end at the upper end of the hollow cylinder, and a first mating hole on the outer wall of the hollow cylinder. This invention solves the problem that existing anti-detachment grounding rods use elastic elements for adjustment at the anti-detachment clamping point, which has poor stability and is easily affected by the external environment after fixing, making it unsuitable for outdoor operation.

The utility model discloses a combined steel sheet pile foundation pit supporting device relates to supporting device technical field, including multiple steel sheet pile main part and horizontal support subassembly, the horizontal support subassembly includes the transverse plate, left block and right block of setting on the steel sheet pile main part surface, the left block is fixedly provided with the inner column, the surface fixed setting of right block has the meander board, the utility model discloses the horizontal support subassembly and moving part combination through the design, through the sliding fit of inner column and meander board, the transmission structure of combining the screw rod, nut seat in moving part, can through the relative position of quick adjustment inner column and meander board with rotating handle to change the overall length of horizontal support subassembly to adapt to the foundation pit of different width only through simple adjustment, reduces the reserve demand of multiple specifications support spare, reduces the material procurement and replacement cost.

The application belongs to the field of microwave technology and discloses a reconfigurable differential filter based on HMCSIW, which comprises a first layer metal layer, a first layer dielectric layer, a second layer metal layer, a second layer dielectric layer and a third layer metal layer, the first layer metal layer is composed of a rectangular patch of a half-mode combline, a pair of trapezoidal microstrip lines, a pair of open-circuit microstrip stubs and a DBCSRR structure, the second layer metal layer is composed of a rectangular slot and a folded SSPPs structure and is a common ground of the structure, and the third layer metal layer is completely consistent with the structure size of the first layer metal layer. The length of the open-circuit stubs connected in parallel on the HMCSIW is controlled by the conduction and shutdown of the PIN diode, so that the resonant frequency of the open-circuit stubs is controlled, then the low-frequency zero point of the filter will change, and the bandwidth and center frequency of the entire filter will change accordingly. The filter can be reconfigured and combined with the differential transmission line, and has a common-mode rejection characteristic.