104results about How to "Improve clamping strength" patented technology

A universal support is provided in the present invention. The universal support includes a brace unit, a mounting unit and a connecting unit, in which the brace unit has several joint assemblies with stronger mechanical strength and several quick-release clamp unit to carry heavier load, while the connecting unit can be securely fastened to a stationary object and the mounting unit can perform universally rotation so as to perfectly satisfy every need of the users.

The invention relates to an intelligent production line for high-speed aluminum bar saw cutting. The intelligent production line comprises a machine body and an operation table used for controlling the machine body to run; the machine body comprises a feeding device used for conveying aluminum bars, a feeding sizing device used in cooperation with the feeding device, a main machine saw cutting device used in cooperation with the feeding sizing device and a discharging device used for discharging after saw cutting is completed. According to the intelligent production line for high-speed aluminum bar saw cutting, monomer project research and development and system organic sets of series functions including batch automatic feeding, numerical control sizing, saw cutting clamping, finished product numerical control stacking, weighing, coding and the like of workpieces are studied, overall process numerical control problems (controllable beat) of a series of motions such as feeding, positioning, clamping, hoisting, weighing and coding are solved, and the production line is worthy of popularization.

A shear-type electromagnetic lock is disclosed whose armature can approach the electromagnet from any transverse direction, which can be mounted in any orientation with respect to gravity, and which does not require any door position sensing means. The armature includes a pair of standoffs in the form of conically projecting buttons affixed thereto, the buttons projecting from the plane of contact between the armature and the electromagnet. The buttons have a base angle of 60-80 degrees adjacent the armature, and an angle of 45 degrees distal from the armature, and terminate in a smoothly rounded point. The armature is mounted to a sub-plate via counteracting springs such that the armature "floats" on the sub-plate, with the distance between the armature and the sub-plate being adjustable via adjusting screws. A matching electromagnet assembly for mounting to a door frame includes matching conical depressions positionally corresponding to the conical buttons such that the buttons seat into the depressions when the armature and electromagnet are properly aligned. The buttons and recesses are arranged in a staggered pattern.

The invention discloses a non-stick tool with two mutual inductors placed on a tray. The non-stick tool comprises a tool base and four movable connecting blocks, wherein the four movable connecting blocks are accommodated in the tool base; each two movable connecting blocks are arranged into a group; the movable connecting blocks are fixed by connecting columns, are sleeved on a guiding column which is arranged horizontally, and can move along the guiding column; a spring is arranged between the two middle movable connecting blocks on the guiding column; four moving clamps which are projected out of the upper surface of the tool base are respectively connected to the four movable connecting blocks; and the upper surface of the tool base is connected with four positioning pins and two conductive metal sheets in a threaded manner. The non-stick tool has the advantages that the non-stick tool is simple in structure and convenient to operate; the two inductors can be simultaneously clamped or released; the work efficiency is improved; and moreover, the tray of the tool is adaptive to mutual inductors in various sizes, and the mutual inductors can be effectively prevented from shaking in a conveying process.

The invention relates to the field of machinery, in particular to a mass production process suitable for plate welding receivers. During welding, a tool I is adopted to expand a receiver main body, sothat the outer surface of the receiver main body is bonded with the inner surface of a flange edge, the welding line quality is guaranteed, and the deformation of the receiver main body is the smallest; the end with the smaller diameter of the receiver main body is downwards; then, a tool II is lifted into the receiver main body from the top; the receiver main body and the tool II are totally heated according to a heat treatment process; the tool II drops to the bottom under the effect of gravity to achieve a shape correcting effect; when the receiver main body is machined, the receiver mainbody is clamped by adopting a tool III; the receiver main body and the flange edge are machined according to a manufacturing process, and a longitudinal mounting edge window is formed in the receivermain body; and the tool III is totally bonded with the inner wall of the receiver main body to prevent vibration of the receiver main body and cutter avoidance, so that the deformation of the receivermain body is reduced, the cutting parameters in the machining process can be doubled or higher, the machining period is shortened, and the mass production is realized.

The invention relates to the technical field of bearing machining, in particular to a convenient-to-use auxiliary device for bearing machining. The convenient-to-use auxiliary device comprises a workbench, inner ring clamping blocks are connected to long through sliding grooves in a sliding manner, outer ring clamping blocks are fixedly arranged on the inner ring clamping blocks, and clamping moving blocks are fixedly arranged on the inner ring clamping blocks. Connecting plates are rotationally connected with clamping fixed blocks, and the multiple clamping fixed blocks are fixedly provided with clamping moving bases. The workbench is fixedly provided with mounting bases, the mounting bases are rotationally connected with threaded lead screws, and the threaded lead screws are in threadedconnection with cleaning moving bases. The base is rotationally connected with double-threaded lead screws, the double-thread lead screws are in threaded connection with lifting moving blocks, and lifting connecting rods are rotationally connected with lifting fixed blocks. According to the convenient-to-use auxiliary device for bearing machining, on the basis of a common auxiliary device, fixing,cleaning and lifting devices are arranged, so that the operation convenience and applicability are improved, the service life is prolonged, the working efficiency is improved, and the labor intensityis reduced.

The invention belongs to the technical field of wood machining, and relates to a three-dimensional carving machine for wood. A transversely-moving transverse support plate is arranged on a cross beam arranged at the upper side of a base, a vertical support plate which can move up and down is arranged on the transverse support plate, more than one cutter driven by motors to rotate is arranged on the vertical support plate, two heads of a lengthways planker working platform which is arranged on the base and lengthways moves are respectively provided with a row of thimbles, the two rows of thimbles can oppositely move, one row of thimbles are fixed on a common first thimble base and are driven to rotate by power, the other row of thimbles are arranged on a second thimble base which can longitudinally move in a connection way, two sides of the lengthways planker working platform are respectively provided with a row of through holes, the through holes correspond to positioning holes formed in a second thimble base and are positioned by locating pins, and the lengthways planker working platform, the transverse support plate and the vertical support plate are respectively driven by a motor controlled by a controller to move. The three-dimensional carving machine has the advantages of being simple in structure, large in clamping strength, good in stability, and suitable for the three-dimensional carving of the wood.

The invention relates to the technical field of machining of thin-walled parts, in particular to a turning tool capable of achieving rapid clamping. The turning tool comprises a base, a lower positioning device and an upper positioning device, wherein the lower positioning device and the upper positioning device are sequentially installed on the base from bottom to top, the turning tool further comprises a driving device, each of the upper positioning device and the lower positioning device is composed of a plurality of supporting blocks, moreover, the plurality of supporting blocks of each ofthe upper positioning device and the lower positioning device are arranged at intervals to form a circular support for the part correspondingly, a fitting surface matched with the inner wall of the part is arranged on the outer wall of each supporting block, the driving device can drive the supporting blocks in the upper positioning device to move synchronously, and can drive the supporting blocks in the lower positioning device to move synchronously. The turning tool achieves positioning through an upper section and a lower section, the circular supports are formed to the part from the innerwall of the part, then the problem that the quality of the part is influenced in the machining process due to insufficient strength of the thin-wall part is solved, the thin-walled part can be quickly clamped, the inner parts are tightly attached, then the cutting parameters can be improved, the production efficiency can be improved, batch machining can be realized, and the mass production chokepoint can be broken through.

The invention relates to the technical field of clamp equipment, in particular to a three-phase asynchronous motor shell machining clamp. The clamp comprises a placing table and a motor shell, the motor shell is placed on the top of the placing table, and multiple sets of clamping mechanisms are evenly arranged on the placing table and distributed in an annular mode; and each clamping mechanism comprises a base located on the outer side of the motor shell, the base is fixed to the top of the placing table, a swing rod is obliquely and rotationally installed on the top of the base, and a first arc-shaped push plate is installed at the outer end of the swing rod. Through synchronous clamping and fixing treatment on the inner wall and the outer wall of the motor shell, the clamping strength of the motor shell can be effectively improved, the diversity of clamping modes is improved, meanwhile, clamping, extruding and fixing are conducted through clamping tooth blocks, the action area when the motor shell is clamped can be effectively increased, the clamping strength is improved, the firmness of the motor shell is improved, and the practicability is improved.

The invention discloses a radiator combination which is used for radiating electronic elements on an add-on card. The radiator combination comprises a radiator, a first heat sink and a second heat sink, wherein the radiator is provided with a lengthwise pressing part, the first heat sink and the second heat sink downwards extend from two opposite sides of the pressing part, and the add-on card is clamped between the first heat sink and the second heat sink. The radiator combination also comprises a buckling piece which is used for clamping the add-on card and the radiator; the buckling piece comprises a top plate, a front side plate and a rear side plate, wherein the top plate is straddled on the pressing part, and the front side plate and the rear side plate downwards extend from two opposite sides of the top plate; the add-on card, the first heat sink and the second heat sink are clamped between the front side plate and the rear side plate of the buckling piece; and the front side plate extends to form an elastic sheet to the position on which the rear side plate is arranged. The buckling piece clamps the add-on card and the first heat sink and the second heat sink of the radiator between the front side plate and the rear side plate and arranges the elastic sheet on the front side plate to support the add-on card, the first heat sink and the second heat sink so as to improve clamping strength and ensure the heat radiation performance of the radiator assembly.

The invention relates to the technical field of mechanical fixtures, in particular to a mechanical fixture used for steel pipe cutting. The mechanical fixture comprises a base. A first worm wheel matched with a first worm is connected to the inner wall of a shell through a rotating shaft. Two threaded blocks are symmetrically arranged on the outer wall of the first worm. Clamping plates are arranged at the end, away from the corresponding threaded block, of each first connection rod and the end, away from the corresponding threaded block, of each second connection rod correspondingly. A secondworm matched with a second worm wheel is arranged between two second bearings. According to the mechanical fixture, the inner wall and the outer wall of a steel pipe can be clamped and fixed at the same time through the multiple clamping plates, the clamping strength is increased, and the fixing effect is improved; the first worm wheel and the first worm each have a self-locking function, the problem that the clamping force is decreased cannot be caused to the clamping plates after the steel pipe is clamped, and the work stability is greatly improved; and the second worm and the second worm wheel can conduct regulation and position fixation according to the length of the steel pipe, and comprehensiveness of use is improved.

The invention relates to the technical field of clamping tools, in particular to a clamping device for metal machining. The clamping device comprises a base, two installing plates are symmetrically arranged on the base, polygonal outer frames are arranged on the installing plates, a plurality of arc-shaped clamping plates are annularly and uniformly distributed inside the polygonal outer frame, and the number of the arc-shaped clamping plates corresponds to that of the edges of the polygonal outer frame. According to the structure, the clamping strength of a metal part can be effectively improved, the stability of the metal part during machining is improved, the situation that the part moves and influences the machining precision is avoided, meanwhile, the equipment can automatically clamp the part, manpower during manual operation is simplified, and practicability is improved.

The invention discloses a geogrid stretching and holding device, which comprises a substrate, and a prepressing device, a clamping device and a fixing device which are fixedly arranged on the substrate, wherein the clamping device and the fixing device are fixedly arranged on one side of the substrate, and the prepressing device is fixedly arranged on the other side of the substrate; the prepressing device consists of a limiting seat and a prepressing seat; the clamping device consists of an eccentric wheel and a stop block, wherein a pressure rod is further fixedly arranged on the eccentric wheel; the fixing device further comprises a base fixedly arranged on the surface of the substrate, a fixed seat is fixedly arranged on the other end of the base, a guide groove is formed in one side, close to the base, of the fixed seat, a fixed groove is formed in the other side of the fixed seat, and an end cover is arranged outside the fixed groove. According to the geogrid stretching and holding device, the holding strength on a geogrid is high and can meet the detection requirement on the tensile strength of the geogrid, the trueness and accuracy of the test data can be guaranteed, the damage to the geogrid due to overlarge shear cannot be caused, the whole device has a simple structure, the manufacturing cost is low, the use and operation are convenient and fast, so that the geogrid stretching and holding device has good application and popularization values.

The invention discloses a multifunctional flap retractor for breast surgery. The multifunctional flap retractor comprises a supporting block, wherein a sleeve is arranged on the surface of the supporting block in a sleeved mode, a limiting frame is fixedly connected to the upper surface of the sleeve, a first gear is arranged in the limiting frame in a limiting and rotating mode, a rectangular hole is formed in the inner wall of the first gear, a rectangular rod is connected to the inner wall of the first gear in a sliding mode through the rectangular hole, a screw rod is fixedly connected tothe bottom of the rectangular rod, an internal thread sleeve is in threaded connection with the surface of the screw rod, the side face of the internal thread sleeve is fixedly connected to the innerwall of the sleeve, and the bottom of the screw rod is fixedly connected to the top of the supporting block. Through cooperative use of the structures, the problems that in an actual use process, dueto the fact that a first drag hook can cause secondary damage to the skin tissue of a patient when the first drag hook pierces into the dermis layer at the margin of the skin, postoperative wound recovery of the patient is not facilitated, and meanwhile the first drag hook is prone to loosening after piercing into the skin, so that inconvenience is brought to use are solved.

The invention discloses a power transformer with high wire clamping strength. The transformer comprises a power transformer body and a mounting mechanism, wherein the power transformer body is arranged in a groove at the top of the mounting mechanism, the mounting mechanism comprises a shell, a partition plate is fixedly connected with an inner wall of the shell, a connecting column is arranged inthe shell, a top end of the connecting column is fixedly connected with the bottom of the power transformer body, an inserting groove is fixedly connected with a middle point of the bottom of the inner wall of the shell, a bottom end of the connecting column sequentially penetrates through the partition plate and an inserting groove from top to bottom and extends into the inserting groove to be connected with the inserting groove in an inserted mode, and rollers are fixedly installed on the left side and the right side of the connecting column above the partition plate. The power transformeris advantaged in that the power transformer is reasonable in structural design, the transformer can be conveniently and rapidly installed, operation difficulty of workers is reduced, the stability degree after installation can be guaranteed, the service life is prolonged, and then the multi-directional requirements are met.

The invention discloses an automatic cutting device. The automatic cutting device comprises a first rack, a second rack, a controller, a first clamping device, a second clamping device, a cutting assembly, a displacement sensor and a telescopic device. The first rack and the second rack are sequentially arranged from front to rear. The cutting assembly and the first clamping device are arranged on the first rack. The second clamping device is arranged on the second rack. The displacement sensor is in output connection with the controller. The controller is in output connection with the first clamping device, the second clamping device and the cutting assembly. The telescopic device is located between the first rack and the second rack. The automatic cutting device has the beneficial effects of being high in cutting precision, flexibility and efficiency, capable of lowering the cutting strength and good in cutting safety and is applied to the technical field of cutting.

The invention discloses an adjustable clamp based on aeronautical part machining, and relates to the field of aeronautical part machining, the adjustable clamp comprises two sets of symmetrically arranged clamping mechanisms, and the two sets of clamping mechanisms can move relatively to form a clamping space; the clamping mechanism comprises a base and a first clamping block, the first clamping block is arranged on the base in a sliding mode, a plurality of second clamping blocks are arranged on the first clamping block in the radial direction of the first clamping block in a sliding mode, and the sliding paths of the first clamping block and the second clamping blocks are both in an arc shape. The two sets of clamping mechanisms are used for clamping parts in different shapes through arc-shaped deflection of the first clamping blocks and the second clamping blocks. A clamping space is formed between the two sets of clamping mechanisms, and the shape of the clamping space can be adaptively adjusted according to the shape of a part, so that the clamping area is increased, the clamping strength is improved, the part is clamped more stably, and high-strength machining of the part is facilitated.

The invention discloses a vacuum consumable electro-arc furnace. A copper crystallizer is arranged under a furnace body; a crystal cooling water jacket is arranged on the outer side of the copper crystallizer; an arc-stabilizing coil is arranged in the crystal cooling water jacket; a consumable electrode is arranged in the copper crystallizer; the upper end of the consumable electrode is detachably connected with an auxiliary electrode; a groove is formed in an upper end face of the auxiliary electrode; four clamping slots are uniformly formed in a side wall of the groove along a circumferential direction; a frustum-shaped notch is formed in the central position of the bottom part of the groove; four tracks are uniformly arranged on a conical surface of the lower end of an electrode rod along a radial direction; a slidable clamping block made of an insulation material is slidably connected onto each track; a frustum-shaped conductive head is arranged on the lower end of the electrode rod; the upper end of the electrode rod is connected with a telescopic head of a hydraulic oil cylinder; an anode of a smelting power supply is connected with the copper crystallizer; a cathode of thesmelting power supply is connected with the electrode rod; and a vacuum orifice is formed in one side of the furnace body. The vacuum consumable electro-arc furnace solves the problems that in the prior art, the conductivity between the electrode rod and the auxiliary electrode is poor, the clamping strength is low, and the service life of the auxiliary electrode is short.

The invention discloses a clamping assembly strip for the end of an automobile skylight roller shutter. The clamping assembly strip comprises a clamping strip body, the front end of the clamping strip body extends upwards and is provided with a front side edge strip, a roller shutter clamping groove is formed in the inner side edge of the top of the front side edge strip, the rear end of the clamping strip body extends upwards and is provided with a rear side edge strip, and the top of the rear side edge strip is bent and extends forwards and is provided with an enclosure edge strip. The clamping strip body is integrally formed by engineering plastic, and the engineering plastic is prepared from, by weight, 80-100 parts of polyurethane plastic, 10-16 parts of glass powder, 8-12 parts of dibutyltin dilaurate, 6-10 parts of nanometer titanium dioxide, 12-16 parts of dioctyl phthalate, 4-6 parts of stearic acid, 8-12 parts of silicon dioxide and 6-8 parts of ethylene propylene rubber. The clamping assembly strip is simple in structure, high in clamping assembly strength, good in stabilization effect and long in service life, and the end of the roller shutter is conveniently fixed.

The invention discloses a clamping tool with a cylinder. The clamping tool comprises a mounting cavity; two opposite clamping arms are mounted in the mounting cavity; the head parts of the clamping arms forwards extend out of the mounting cavity; two aligned return guide devices are mounted in the mounting cavity; the return guide devices are correspondingly connected with the two clamping arms; a clamping arm inner pressing rod is arranged in the mounting cavity; the front end of the clamping arm inner pressing rod is aligned to the tail parts of the clamping arms; when the clamping arm inner pressing rod advances, the clamping arms are pushed to oppositely clamp, and the clamping arm inner pressing rod is driven by the cylinder; and the return guide devices include guide sleeves, guide rods and return tension springs. The clamping tool adopts the structure, is wide in application range, simple in operation and high in clamping strength, the element vibration in milling is reduced, and the machining precision is effectively improved.

The invention discloses a pneumatic control soft body bionic manipulator. The pneumatic control soft body bionic manipulator comprises an inflation port, an air storage chamber, fingers and a substrate. A central air cavity and a central channel are arranged inside the air storage chamber; a plurality of groups of left air chambers and right air chambers distributed in a herringbone shape are arranged on the surfaces of the fingers, left air chambers, left channels, right air chambers, right channels and bypass channels are arranged inside the fingers, all the left air chambers communicate through the left channels, all the right air chambers communicates through the right channels, and all the left air chambers and the right air chambers communicate through the bypass channels. The inflation port sequentially communicates with the air storage chamber and the fingers; and the substrate is arranged at the bottoms of the air storage chamber and the fingers. When external gas communicateswith the manipulator, all the air chambers are inflated by the air pressure, so that all the air chambers simultaneously generate circumferential and axial tension, and finally the substrate is subjected to circumferential and axial elastic bending deformation. The manipulator can generate elastic deformation with infinite freedom degrees in the circumferential direction and the axial direction,can accurately grab objects with different shapes by controlling the size of the gas, and is high in grabbing force and high in stability.

The invention provides a taking-out device for an outer ring of an externally-braced valve stem packing leakage extraction ring and an installation method thereof. The taking-out device comprises a conical elastic claw (1), a conical sleeve (2) and a fuller (4), wherein the middle of the conical sleeve (2) is connected to the upper part of the conical elastic claw (1) through threads and matched with the lower part of the conical elastic claw (1) through the conical surface. The installation method of the taking-out device comprises the steps that the conical elastic claw (1), the conical sleeve (2) and the fuller (4) are sequentially installed, the outer ring (6) of the leakage extraction ring is taken out to be sawed off or pinched off from a packing cavity, and the device can be disassembled by loosening fastening screws. The taking-out device and the installation method thereof have the advantages that the outer ring of the leakage extraction ring can be taken out conveniently, quickly and reliably on the condition that the packing cavity is narrow, one-line assembly and disassembly can be achieved without influencing equipment operation, operation is convenient, the structure is simple and clamping is firm.

The invention discloses a clamp type automatic mummified aphid collecting device. The clamp type automatic mummified aphid collecting device comprises a tobacco leaf conveying mechanism, a mummified aphid stripping mechanism and a collecting mechanism; the tobacco leaf conveying mechanism clamps petioles of tobacco leaves to realize tobacco leaf conveying; the mummified aphid stripping mechanism comprises a front side stripping unit and a back side stripping unit; the front side stripping unit comprises a first motor, a first stripping brush roller and a first baffle plate, and front and backsides of the tobacco leaves are stripped by the front side stripping unit and the back side stripping unit; the collecting mechanism comprises a collecting motor, a collecting tank and a screw conveyor; and mummified aphids are collected by the collecting mechanism, the upper end of the collecting tank is a horn-shaped opening, and the mummified aphids after stripping fall into the collecting tankand are conveyed outwards by the screw conveyor. The clamp type automatic mummified aphid collecting device is compact in structure, simple in operation step and low in artificial participation degree, switching from the front side stripping to the back side stripping can be automatically completed in a mechanical stripping work process, and work efficiency is greatly improved.

The invention relates to the field of machining techniques, and particularly relates to a novel machining turnover device, which comprises a base and a circular ring, wherein one side of the top end of the base is provided with a supporting frame; further, the top end of one side of the supporting frame is provided with a mounting plate; a mounting groove is formed in the middle of the bottom endof the mounting plate in an upward sinking manner; the circular ring is rotationally mounted inside the mounting groove; the side walls of the two sides of the circular ring are both provided with limiting grooves which are of annular structures; the circumferential outer wall of the circular ring is provided with outer teeth distributed annularly; and the inner walls of the two sides of the mounting grooves are both provided with limiting blocks connected with the limiting grooves in a sliding manner. By using the novel machining turnover device, the disadvantages in the prior art are overcome; by starting air cylinders, bottom plates mounted at output ends of the air cylinders are enabled to extend and retract; thus, the three bottom plates are enabled to approach oppositely; further, clamping plates fixed to the bottom plates are driven to mutually approach to clamp and fix a to-be-machined member; the three clamping plates are used for triangularly fixing the to-be-machined member;and the to-be-machined member is fixed more stably.

The invention discloses a clamping device with a screw rod. The clamping device comprises an installation cavity, wherein two clamping arms facing each other directly are installed inside the installation cavity; heads of the clamping arms protrude forwards and extend out of the installation cavity; two resetting and guiding devices facing each other directly are installed inside the installation cavity; the resetting and guiding devices are connected with one of the clamping arms respectively; an internal pressure rod for the clamping arms is arranged inside the installation cavity; the front end of the internal pressure rod for the clamping arms is aligned with the tail of the clamping arms; when the internal pressure rod for the clamping arms move forwards, the internal pressure rod drives the clamping arms to clamp each other relatively; the internal pressure for the clamping arms is driven by a jacking device; each resetting and guiding device comprises a guiding sliding block, a sliding block and a resetting tension spring; and the jacking device comprises the screw rod and a rotating handle. With the adoption of the structure, the application range is wide, and the operation is simple; the clamping strength is high; the vibration of an original component during milling is reduced; and the milling accuracy is effectively improved.

The invention discloses an automobile front floor welding clamp, and relates to the technical field of automobile accessory machining, the welding clamp comprises a clamp base, a center bearing part and at least one pair of end clamping assemblies, and further comprises a clamping driving component, each end clamping assembly comprises a fixing support, a forward abutting part, an abutting rod, a mounting support body and two side clamping parts, the fixing support is installed on the clamp base and connected with the clamping driving component, the installation support body is arranged on the fixing support and provided with two clamping rotating shafts in rotating fit with the installation support body, each clamping rotating shaft is provided with a gear and a push rod, the abutting rod is provided with a rack capable of being meshed with the gear, and the clamping driving component is arranged on the abutting rod. The side part of the side clamping part is connected with the push rod; the end, away from the forward abutting part, of the abutting rod is provided with an elastic pressing piece. The automobile front floor clamping device is simple in structure, capable of achieving clamping rapidly, suitable for the shape of the clamped end of an automobile front floor, firm in clamping and high in practicability.

The invention discloses a high-voltage power transformer for improving wire clamping strength, which includes a power transformer body, openings, telescopic rods, a clamping plate, a reset spring, a puncture, a first half ring, and an adjustment mechanism. The openings are disposed at the midpoints of the left and right sides of the power transformer body. The telescopic rods are fixedly connectedto the left and right sides of the top and the bottom of the power transformer body. An end of each telescopic rod close to the power transformer body penetrates the power transformer body and extends into the the power transformer body. By the cooperation of the power transformer body, the openings, the telescopic rods, the clamping plate, the return spring, the puncture, the first half ring, and the adjustment mechanism, the high-voltage power transformer achieve a good clamping effect, and can clamp cables of different diameters, thereby avoiding the looseness of the cables, ensuring the working stability of the high-voltage power transformer, and improving the clamping strength. The high-voltage power transformer for improving wire clamping strength has good practicability and is worth promoting.

The invention belongs to the technical field of buildings, relates to the die closing fastener of a pipe die for producing a pipe pile, and aims at solving the technical problem of low bonding strength in the prior art. The die closing fastener comprises an upper fixing seat fixed with an upper die, and a lower fixing seat fixed with a lower die, wherein a plurality of screws are correspondingly arranged on the upper fixing seat and the lower fixing seat; the upper fixing seat is sleeved with a spring; a bolt sequentially passes through the spring and the upper fixing seat to be fixedly screwed to the lower fixing seat. The die closing fastener has the advantages of being high in bonding strength, improving the die closing strength of the pipe die, being small in frictional resistance during die closing, and fast to screw.

The invention relates to the technical field of building supports, in particular to a pipeline mounting support capable of saving building floor height. Comprising a connecting frame A and a connecting frame B, the connecting frame A and the connecting frame B are fixedly connected through a connecting fixing piece, a pipe clamp A is fixedly arranged at the bottom end of the connecting frame A, a pipe clamp B is fixedly arranged at the bottom end of the connecting frame B, and the pipe clamp A and the pipe clamp B are used for clamping a pipeline. And the bottom ends of the pipe clamp A and the pipe clamp B are higher than the bottom of the pipeline clamped by the pipe clamp A and the pipe clamp B or are flush with the bottom of the pipeline clamped by the pipe clamp A and the pipe clamp B. The pipeline support has the beneficial effects that the pipeline is clamped and supported in a left-right clamping mode, the bottom ends of the pipe clamp A and the pipe clamp B are higher than or flush with the bottom of the pipeline, the pipeline support is prevented from occupying the building floor height below the pipeline, the utilization rate of the internal space of a building is increased, and waste of the building space is reduced.