2783 results about "Transverse beam" patented technology

An adjustable motor vehicle seat with an underframe (20), a seat carrier (28) carried by the underframe (20), a cushion shell (34), a first longitudinal guide (44) being disposed between the seat carrier (28) and the cushion shell (34), and a first drive being provided for adjusting the cushion shell (34) relative to said seat carrier (28). The seat includes a front transverse beam (65) associated with a front edge (72) of the seat. A second longitudinal guide (64) is interposed between the cushion shell (34) and the transverse beam (65). A second drive is responsible for adjusting the seat carrier (28) relative to the cushion shell (34).

Apparatus that can be added to an existing ski treadmill provides resistance to a forward, as well as a rearward motion of an exerciser's arm. The apparatus includes a transverse beam attached to a body supporting post that is part of the treadmill. Longitudinal arms are hinged to the ends of this beam and swing away from their normal operating positions to allow an exerciser to mount or dismount from the apparatus. A closed rope loop having an indented portion is formed by connecting the two handgrips of a conventional ski treadmill with another piece of rope that engages, in sequence, a first pulley at the rear end of a first of the longitudinal arms, a second pulley near a hinge connecting that arm to the transverse beam, a third pulley at the other end of the beam, and a fourth pulley at the rear end of the second longitudinal arm.

The invention discloses a method and a system for monitoring paving thickness of a high-level highway pavement in real time, belonging to the field of road construction quality control. The method comprises the following steps: erecting an automatic tracking total station nearby a paving site, determining the position of an erection point through a resection survey method according to the known point coordinate, positioning and tracking a 360-degree prism according to enough short time interval by utilizing the automatic tracking total station, measuring the inclination angles of a transverse beam and a longitudinal beam of a platform trolley in the device by adopting an inclinometer, and measuring the distance from the transverse beam to the paved pavement by adopting a laser distance measuring sensor arranged on the transverse beam; calculating three-dimensional coordinates (x, y, z) of the position points of the paved pavement measured by each laser distance measuring sensor according to a spatial geometrical relation between each laser distance measuring sensor and the prism; projecting to obtain elevation z0 of the position point on a datum plane before paving; solving the difference between elevations z and elevation z0 to obtain the paving thickness; and judging whether the paving thickness at the position point accords with the control standard, otherwise, transmitting alarm information. The method is mainly applied to road construction quality control.

The invention provides a road guardrail cleaning machine, comprising a locomotive and a cleaning device installed at the side of the locomotive. The locomotive is provided with a power source; and the cleaning device at least comprises a lifting mechanism, a rotating mechanism, a telescopic mechanism, a turnover mechanism, a gantry clamping mechanism, a self-adapting mechanism and a cleaning mechanism. The power source is connected with the lifting mechanism by a transmission mechanism; the rotating mechanism is fixedly installed on the lifting mechanism; a sleeve seat is installed on a rotating platform of the rotating mechanism; one end of the front arm of the telescopic mechanism is sleeved in the sleeve seat while the other end is fixedly connected with the turnover mechanism; the turnover mechanism is connected with a transverse beam of the gantry clamping mechanism; two ends of the transverse beam of the gantry clamping mechanism are respectively connected with side arms which are respectively provided with the self-adapting mechanisms; and the self-adapting mechanisms are connected with a cleaning brush of the cleaning mechanism. In the cleaning course, the height of the cleaning brush can be adjusted to improve the cleaning efficiency and ensure the cleaning quality. After the cleaning is finished, the cleaning mechanism is folded and fixed at the top of the water tank of the locomotive, and the cleaning vehicle can run on the road safely.

A suspension system for the main frame of a large dump truck having laterally spaced frame members (10) each associated with a wheel mounting hub (12) the system comprising, for each hub (12), a hollow forward attachment arm (20) supported by a bearing block (21) having a longitudinal journal (23) and a transverse journal (22), the longitudinal journal (23) receiving the attachment arm (20) and the transverse journal (22) receiving the ends of a shaft rigidly secured to the frame members (10) and extending therebetween to define a cross member and a vertically compliant suspension strut comprising a cylinder (41) rigidly attached to a support (28) secured to the frame member (10) and receiving a piston (40) attached to a rear extension (42) from the hub (12) via a bearing which allows each hub (12) to rotate about longitudinal and transverse axes relative to the respective frame member (10). Also disclosed is dump truck body (B) having side walls (61), a floor (62) and an end wall (63), the floor (62) being reinforced by longitudinal reinforcing beams and by only one transverse beam (72). The side walls (61) slope inwardly, the floor (62) slopes downwardly and forwardly and the width of the floor (62) increases towards the rear of the body (B).

The invention relates to a load follow-up loading system for plane flap reliability tests. The system comprises a bearing wall. The system is characterized by further comprising a support component, a load loading adjusting unit and a load detection and adjusting unit, wherein a flap is mounted on a wing; the root of the wing is mounted on the bearing wall; the support component comprises two vertical columns and a transverse beam for supporting the load loading adjusting unit and the load detection and adjusting unit; the load loading unit comprises a moment motor and a steel rope; the moment motor is arranged on the support component and is used for exerting an action force on the flap; the steel rope is connected with the moment motor; the load detection and adjusting unit comprises an angle sensor, a sliding track component and a pulley component. A plurality of loading points are arranged on the surface of the flap, one loading point corresponds to one set of loading system, the size, the direction and an equivalent action point of real-time flap surface aerodynamic force can be simulated.

A surgical instrument stabilizer system for securely holding virtually any instrument during any procedure, delivering vacuum when applicable, and yet allowing easy single-handed or voice activated repositioning by a user. The system utilizes opposing horizontal side-rails mounted to opposing sides of a surgical table, and opposing arms each slidably mounted on a side rail for global lengthwise positioning along the side rails. The arms carry a transverse beam at the foot of the operating table, and a flexible arm is movably mounted on the beam for global lengthwise positioning along the beam. Alternately, the flexible arm may be affixed directly to one of the existing horizontal side rails. The flexible arm leads to an instrument-supporting hand piece pivotally mounted for angular orientation of an instrument supported thereby. The flexible arm can be freely articulated to any position and locked in place. Thus, a supported instrument can be repositioned quickly and easily by single-handed or voice activated manipulation by a surgeon or surgical assistant, and locked in any position up and down along a vertical axis, forward and back, i.e, toward or away from the patient, and rotationally.

The invention provides an opened tubular pile hammering injection and static load simulation experiment device and method. The simulation experiment device comprises a model box, a model pile, a vertical column assembly, transverse beam assemblies as well as a piling assembly and a static load assembly, wherein the model pile comprises an outer cylinder, an inner cylinder, a semicircular steel plate and a guide rod column; axial and radial sensors are arranged on the walls of the inner cylinder and outer cylinder; the vertical column assembly comprises four vertical columns which are in rigid connection with the periphery of the model box; the transverse beam assemblies comprise lower transverse beam assemblies and upper transverse beam assemblies; the pulley assembly is connected between the upper transverse assemblies. Compared with the prior art, the simulation experiment device has the advantages that a real stress filed of a soil mass can be simulated, and the friction on the inner and outer sides of the wall of an opened tubular pile can be respectively measured; the defect that in the prior art, the real load transfer process of the opened concrete tubular pile cannot be measured is overcome. Moreover, the simulation experiment device is simple to operate, and the simulation experiment method is convenient.

A foldable bed frame including first coupling members each having an opening facing outwardly with respect to the frame being in an open state; two sets of longitudinal beams, each formed by two longitudinal bars having two free ends, and two inner ends pivotally connected within one of the openings of the first coupling members. At least two transverse beams, each being formed by two transverse bars having first and second ends, the first ends respectively being pivotally connected together by a second coupling member. A plurality of third coupling members provided proximate to each free end of the longitudinal bars, each third coupling member having an opening facing inwardly with respect to the frame being in the open state, the opening being configured to pivotally connect one of the free ends of the longitudinal bars. A leg pivotally connected respectively proximate the free end of each longitudinal bar.

The invention discloses a device and a method for automatic feeding and discharging of stone slabs. The device comprises a structural support provided with both a horizontal moving mechanism and a vertical moving mechanism, wherein a plurality of roller beds arranged in parallel at intervals are arranged below the structural support and are used for conveying slabs; the horizontal moving mechanism moves horizontally along the structural support and moves longitudinally along longitudinal beams of the structural support under driving of a driving device; the vertical moving mechanism moves vertically relative to the roller beds, and is mounted on a transverse beam of the structural support; moreover, a lifting appliance device connected with the vertical moving mechanism is arranged at the bottom of the vertical moving mechanism. According to the invention, automatic grabbing of the stone slabs is realized by utilization of sucking disks, and application of sucking disk sponge ensures the situation that the sucking disks can still grab the stone slabs firmly under unevenness of surfaces of the stone slabs; horizontal movement of the stone slabs is realized by the horizontal moving mechanism, and vertical movement of the stone slabs is realized by the vertical moving mechanism; the stone slabs can be automatically adjusted to be in the right positions by a piece pushing mechanism.

A high voltage transformer for controlling inductance leakage used for a multiple lamp driving system includes at least one wire frame, a first winding, a second winding, a first magnetic unit, and a second magnetic unit. There is a receiving space in the wire frame for receiving the first magnetic unit, and a first region and a second region is formed on its surface. The first winding and the second winding are individually wound at the first region and the second region. The second magnetic unit is covered on the side of the wire frame. On an appropriate location of the bottom of the second magnetic unit, a transverse beam extends. Thereby, the transverse beam fully separates the low voltage magnetic flux path produced on the first magnetic unit by the first winding and the second winding and the high voltage magnetic flux path produced by the AC.

An industrial woolen textile needle machine without adapter belongs to the technical field of non-woven machinery and includes a machine frame provided with bottom beam, an outer needle mechanism arranged on a first transverse beam of the machine frame for needling one side of the non-woven fiber base cloth and an inner needle mechanism arranged on a second transverse beam correspondingly below the outer needle mechanism for needling the other side of the non-woven fiber base cloth; one end of the second transverse beam is articulated with one side of the machine frame, and the other end becomes a free end; one end of the machine frame which is correspondingly articulated with the second transverse beam is provided with a transverse beam driving device which is connected with the second transverse beam for driving the second transverse beam to move; the other side of the machine frame is provided with a locking device for locking or opening the free end of the second transverse beam. The invention can process paper making felts and conveyor belts with broad width and without adapter; during processing, the locking device is controlling without need of turning over the felts and belts manually, which can reduce the labor intensity of workers and improve the processing efficiency.

An adjustable folding bed frame including a plurality of longitudinal beams spaced apart and parallel to each other. Each longitudinal beam is formed by a pair of longitudinal bars that are pivotally connected together. The bed frame also includes a plurality of transverse beams spaced apart and parallel to each other. Each transverse beam is formed by a pair of transverse bars that are pivotally connected together. Each transverse bar has a first sliding member slidingly coupled with a second sliding member for adjusting the bed frame to predetermined widths. The bed frame also includes legs connected to a corresponding lower side of each longitudinal bar free end. The longitudinal and transverse bars are coupled together to form a generally rectangular frame when the bed frame is in an open configuration, and are folded adjacent and parallel to each other when the bed frame is in a folded configuration.

The invention discloses a horizontal plane motion mechanism for a towing tank test, which comprises a plane motion mechanism comprising a transverse oscillation frame 8, a transverse oscillation motion component 9, a yawing oscillation motion component 10, a transverse beam 6, a front connecting rod 5, a front connecting rod 11, adjusting rods 4 and 12, joints 3 and 13, force balances 2 and 14, and the like. The upper part of the horizontal plane motion mechanism is connected with a tank trailer 7 through the transverse oscillation frame 8, while the lower part is connected with a ship model 1 through the connecting rods 5 and 11 and force balances 2 and 14. By adopting a rolling guide rail, the transverse oscillation motion component has the characteristics of long service life, free maintenance for long-term work, high speed, low noise, high capacity of absorbing a mounting dimension error, and the like; and the transverse oscillation amplitude is over +/-1m, the ball screw precision is high and a transverse oscillation amplitude error is less than 0.2mm. Due to the adoption of a self-lubricating bearing and worm gear transmission, the yawing oscillation motion component has the advantages of wide rotation angle range, high torque, high self-locking property and high precision. A plurality of groups of connecting rod mounting holes are formed on the transverse beam and are suitable for different ship models. The connecting rod is provided with a linear bearing, and when the ship model is influenced by an external force to oscillate up and down, the connecting rod automatically adjusts the length, can remove a force in the vertical direction, and improves the accuracy of the maneuvering performance test. The control system is driven by a servo motor, a photoelectric encoder is used for sampling and feeding back, and a PLC programmable logic controller is used for controlling. The horizontal plane motion mechanism has the advantages of convenient control.

The invention discloses a reinforcing steel bar movement conveying mechanism of a welding machine of mesh. The reinforcing steel bar conveying mechanism comprises a machine frame, a reinforcing steel bar movement input mechanism, a reinforcing steel bar movement output mechanism and a mesh welding work table. The reinforcing steel bar movement input mechanism comprises a plurality of horizontal conveying devices, and the reinforcing steel bar movement output mechanism comprises a plurality of longitudinal regulating beams, wherein a plurality of clamping mechanical arms are arranged at the bottom of each longitudinal regulating beam. The upper portion of each longitudinal regulating beam is provided with a transverse sliding block which is matched with the bottom of each transverse regulating beam in a sliding mode and is connected with the bottom of each transverse regulating beam in a hung mode, each transverse regulating beam is connected with a lifting mechanism connected with the lower portion of one conveying movement beam, and the upper portion of each conveying movement beam is hung on an upper longitudinal beam in a sliding match mode and is connected with a conveying driving mechanism which is arranged on an upper transverse beam of the machine frame. The reinforcing steel bar movement conveying mechanism has the advantages that the diameter and the length of each reinforcing steer bar on each horizontal conveying device can be regulated freely, reinforcing steer bar grids having different diameters and different intervals can be welded on the same mesh, market requirements are met, and production efficiency is high.

The invention discloses a baked brick setting machine, which comprises a walking system, an elevating system, a rotating system and a picking and placing system, wherein the elevating system, the rotating system and the picking and placing system are positioned on upper, middle and lower layers respectively; two parallel transverse beams of the walking system are provided with guide rails; the elevating system which can move along the transverse direction of the guide rails stretch across the guide rails; the lower part of the elevating system is fixedly connected with the rotating system; and a gripper system is fixedly connected to the lower part of the rotating system. The baked brick setting machine has the advantages of simple structure, flexibility and convenience in moving, running stability, high travel positioning accuracy, low power consumption, high efficiency and great increase in the automatic degree and working efficiency.

The invention provides a precast lattice beam used for slope reinforcement and a construction method for slope reinforcement adopting the precast lattice beam, as well as a slope structure reinforced by the precast lattice beam and a construction method thereof. The precast lattice beam comprises a plurality of precast cross-shaped beam units which are arranged and connected in a matrix manner; each of the cross-shaped beam units comprises a transverse beam and a longitudinal beam in intersection; an anchor head part is formed in the central interacting part of each of the cross-shaped beam units; each of the anchor head parts comprises a concrete groove and a backing plate placed on the concrete groove; an anchor hole is formed in each of the concrete grooves and the backing plates; the two end parts of the transverse beam and the two end parts of the longitudinal beam of each of the cross-shaped beam units extend respectively to form L-shaped hook parts reversed in directions; the transverse beam of each of the cross-shaped beam units is connected with that of the adjacent cross-shaped beam unit in a hooking manner through the corresponding L-shaped hook parts; the longitudinal beam of each of the cross-shaped beam units is connected with that of the adjacent cross-shaped beam unit in a hooking manner through the corresponding L-shaped hook parts; therefore the precast lattice beam is formed by splicing a plurality of structures taking the shapes of the Chinese character jing. According to the precast lattice beam used for slope reinforcement, the manufacturing method thereof and the construction method for slope reinforcement adopting the precast lattice beam, the following characteristics are achieved: on-the-spot construction steps are reduced, the construction period is shortened, the standardized management production is realized, the quality is ensured, and high efficiency and environment protection are realized.

The invention discloses an automobile energy absorption box based on negative poisson ratio structure filling and a multi-object optimization method thereof. An energy absorption box body (2) is filled with negative poisson ratio filling inner cores (3) with an inner sunken hexagonal negative poisson ratio structure, wherein deformation induction grooves are designed on the energy absorption box body (2). The energy absorption box body is connected between front protection transverse beams and front longitudinal beams. Through mechanical properties uniquely owned by the negative poisson ratio structure, a stress deformation state during automobile collision is improved, and the energy absorption effect is reinforced, so that safety of passengers is improved, and maintenance cost is reduced. Meanwhile, the invention provides a multi-object optimization scheme aiming at the novel structure; through parametric modeling of the energy absorption inner cores, an energy absorption outer shell and a surrounding structure, on the basis of the Hamersley experimental design, the structure is subjected to crash simulation, a model approximating a response surface is obtained, and finally optimal design parameter combination is obtained on the basis of multi-object optimization of imperial competition algorithm; and the process can be applied to the development process of actual industrial production, reliability is improved, and the development time is reduced.

The invention discloses a device and method for mapping a large hook-surface-modeling product. The device comprises a large working table, moving guide rails, a bridging transverse beam, positioning calibration holes, a z-direction laser range finder, an electronic receiving and processing device, a y-direction laser range finder, an x-direction laser range finder, an x-direction driving motor and a y-direction driving motor. When the y-direction driving motor drives the bridging transverse beam to slide on the guide rails, an x-direction coordinate of the product is measured through the x-direction laser range finder installed on the guide rails, a y-direction coordinate of a corresponding measurement point is measured through the y-direction laser range finder on a supporting frame of the working table, and meanwhile due to the fact that a z-direction coordinate can be measured through the z-direction laser range finder on the lifting bridging transverse beam, the three-dimensional coordinates of the large hook-surface-modeling product can be obtained. The large gantry-type device and method for mapping the large hook-surface-modeling product are simple in structure, convenient to measure and high in measurement accuracy, the labor intensity of operation persons is relieved, and the position can be selected at will to carry out measurement according to the shape of the measured product.

The invention relates to equipment and a method for intelligently automatically cleaning vehicles. The equipment comprises a pull guide rail. The pull guide rail is arranged on a side of a ground grid, a first upright column is vertically mounted at the right end of the ground grid, a first transverse beam is fixedly connected with the top of the first upright column, a second upright column is mounted at the rear of the first upright column, a second transverse beam is fixedly connected with the top of the second upright column, longitudinal beams are mounted between the first transverse beam and the second transverse beam, and a third transverse beam is mounted at the tail ends of the longitudinal beams. A second water spray pipe and a water wax spray pipe are arranged between the first transverse beam and the second transverse beam, and a top brush device is mounted on the second upright column. A vertical brush device is mounted on the third transverse beam. Wheel brush devices are symmetrically mounted on the side surfaces of the pull guide rail and are positioned between the first upright column and the second upright column. The equipment and the method have the advantages that mechanical structures can be simplified, power consumption and water consumption can be reduced, failure rates of machinery can be decreased, and the later-stage maintenance cost can be saved; the equipment is additionally provided with an automatic control system, accordingly, the vehicles can be fully automatically cleaned, and the work efficiency can be improved.

The invention discloses a transport cart for a bottle body, and belongs to the technical field of transport carts. The transport cart for the bottle body comprises a bracket, wherein the bracket is of a rectangular frame structure formed by connecting two transverse beams with two longitudinal beams; each of four corners at the bottom of the bracket is provided with one running wheel; each of four corners above the bracket is provided with one supporting beam; one supporting wheel is mounted on each supporting beam; the transverse beams comprise a first transverse beam and a second transverse beam; the first transverse beam is of a tubular structure; one end of the second transverse beam stretches into the first transverse beam; control boxes are arranged on the longitudinal beams; humidity sensors, central processing units, memories and humidifier infrared transmitters are arranged inside the control boxes; and the central processing units are electrically connected with the humidity sensors, the memories and the humidifier infrared transmitters respectively. The functional defects of an existing transport cart are overcome; and people can be enabled to be always in a suitable environment.

The invention discloses a cement barrel washing device for a construction site. The cement barrel washing device comprises a base, a washing liquid box, a support, a cement barrel, a washing platform,a clamping block and connecting sleeves; a stretchable air cylinder is fixedly installed on the lower surface of the end of a supporting transverse beam, the support is fixedly installed at the bottom end of the stretchable air cylinder, the two connecting sleeves are welded and erected between two side plates of the support fixedly, supporting rods are detachably installed in the two connectingsleeves through connecting bolts, the ends of the supporting rods are symmetrically and fixedly provided with washing rods in a welded and erected manner, and the surfaces of the washing rods are evenly provided with a plurality of washing hairbrushes; supporting sliding sleeves are symmetrically and fixedly erected on the upper surface of the left portion of the base, supporting sliding rods arearranged in inner cavities of the upper portions of the supporting sliding sleeves in a sliding and sleeved manner, and the washing platform is fixedly erected at the top ends of the supporting sliding rods; and a plurality of damping springs are symmetrically arranged between the upper surface of the base and the washing platform. The cement barrel washing device is simple in structure, convenient to use, good in washing effect, high in working efficiency and worthy of popularization.

The invention relates to a full-load static characteristic test device of a bolt joint surface unit, comprising a box body, wherein a transverse beam is arranged above the box body; the transverse beam is fixedly connected with the box body through a left upright post and a right upright post; a lower test piece is arranged on the table surface of the box body; an upper test piece is arranged on the lower test piece; a preloaded assembly is arranged between the upper part of the upper test piece and the transverse beam; the upper test piece is connected with the lower test piece through the preloaded assembly; cantilevers at the two ends of the upper test piece are respectively provided with a vertical load applying assembly; each load applying assembly is respectively connected with the transverse beam upwards; cantilever end heads at the two ends of the upper test piece are respectively provided with a connecting piece; and a horizontal load applying assembly is respectively arranged between each connecting piece and right upright post of the transverse beam as well as between each connecting piece and the left upright post of the transverse beam. The full-load static characteristic test method of the bolt joint surface unit of the invention can be used for carrying out a pre-tightening force test, a normal operating load static characteristic test, a tangential operating load static characteristic test, a bending moment operating load static characteristic test and a torque operating load static characteristic test of the bolt joint surface unit by utilizing the test device according to the different structural combinations.

The invention relates to a multifunctional hydraulic machine which comprises a vertical column, a side pressing sliding block and a side pressing cylinder, wherein the side pressing sliding block is assembled on the vertical column in a guide sliding mode, and the side pressing cylinder drives the side pressing sliding block to vertically move along the vertical column. An upper transverse beam is fixedly arranged on the hydraulic machine and above the side pressing sliding block. The side pressing cylinder comprises a side pressing cylinder body fixedly arranged on the upper transverse beam and a side pressing cylinder piston fixedly arranged on the side pressing sliding block. A main cylinder is arranged on the upper transverse beam and comprises a main cylinder body fixedly arranged the upper transverse beam and a main cylinder piston for installing a corresponding upper pressing head. The side pressing sliding block is provided with an upper through hole which penetrates through the upper end face and the lower end face of the side pressing sliding block to enable the upper pressing head installed on the main cylinder piston to penetrate through. The multifunctional hydraulic machine solves the problem that energy waste is caused due to the fact that the side pressing cylinder exerts reacting force on the main cylinder when the existing hydraulic machine performs forming operation.

A device for supporting solar modules, including several posts arranged in a row, wherein a head piece is attached to each post in its upper end region and at each head piece a transverse beam oriented more or less transversely to the row of posts is fixed, characterized in that the head piece is a profiled element, and that there is a strut between each transverse beam and the post, at the head piece of which the transverse beam is fixed.

The invention provides a U-shaped concrete beam bridge girder erection machine, which comprises a bridge girder erection machine main beam, a front crown block, a back crown block, a telescopic No. 1 landing leg, a telescopic No. 2 landing leg, a telescopic No. 3 landing leg and a U-shaped concrete beam hanger, wherein the front crown block and the back crown block walk on the bridge girder erection machine main beam, and are provided with crown block transverse beams and crown block transverse moving mechanisms walking on the transverse beams; the U-shaped concrete beam hanger is connected with the crown block transverse moving mechanisms; and the bridge girder erection machine is further provided with a hanging construction platform, a front beam conveying trolley, a back beam conveyingtrolley and a temporary rail. In the invention, an original bridge girder erection machine can be improved specific to the characteristics of a U-shaped concrete beam, so that the problem of bridge girder erection caused by a U-shaped beam structure can be solved; convenience is brought to bridge girder erection construction according to the characteristics of the U-shaped beam structure, so thatthe bridge girder erection machine provided by the invention is suitable for U-shaped concrete beams; and crane hoisting or gantry crane installation is not required in U-shaped concrete bridge girder erection, so that the construction cost and difficulty can be greatly lowered, and the construction quality can be improved.

The invention provides a necking machine for copper pipes, which comprises a hydraulic ram, a hand-operated direction valve, a locking clamp, a support seat and a control box which are installed on aworkbench, wherein the central line of the locking clamp is consistent with that of the hydraulic ram; the hydraulic ram is provided with a shaft which extends out of the outer end of the hydraulic ram and forms a slide fit with an inner hole of the support seat; a necking mold is installed and connected to the shaft end; and the aperture gradually increases from inside to outside with smooth transitions from the outer section of the inner hole of the inner sleeve of the necking mold to the outer end surface. The locking clamp comprises a bottom seat, a bracket, a lower clamping block, an upper clamping block, a screw mandrel and a handle which are fixedly connected with the workbench, wherein the bracket comprises a transverse beam and a vertical slide rail; the screw mandrel is fixedly connected with the handle and passes through a screw hole arranged in the transverse beam to support against the upper surface of the upper clamping block; a spring is arranged between the upper clamping block and the lower clamping block; and the contact surface of the upper clamping block and the lower clamping block is provided with a groove in which a copper pipe can be arranged. The necking machine for copper pipes has the advantages of simple structure and convenient operation and is especially suitable for the requirements of mass production.

The invention relates to the technical field of laser equipment, in particular to large workpiece laser cleaning equipment. The large workpiece laser cleaning equipment comprises rail beams, a transverse beam, a lifting stand column, a mechanical arm, a laser scanning unit, a fiber laser, a first driving device, a second driving device, a third driving device and a control table. The transverse beam is arranged on the rail beams, and the lifting stand column is arranged on the transverse beam. The mechanical arm is connected with the lifting stand column. The laser scanning unit is connected with the mechanical arm, and the fiber laser is connected with the laser scanning unit. The control table is electrically connected with the first driving device, the second driving device, the third driving device, the laser scanning unit, the fiber laser and the mechanical arm. The large workpiece laser cleaning equipment is suitable for large-area washing coverage and complex workpiece surface dead-angle-free washing.

The invention discloses a numerical-control six-shaft intelligent water jet cutter. The numerical-control six-shaft intelligent water jet cutter comprises a water jet cutting platform composed of a side frame, a transverse beam and a water tank, an X-shaft transmission mechanism, a Y-shaft transmission mechanism, a Z-shaft transmission mechanism and a cutting head installed on a Z shaft, wherein the X-shaft transmission mechanism, the Y-shaft transmission mechanism and the Z-shaft transmission mechanism are installed on the water jet cutting platform. The cutting head is a cutting head with the A-shaft, B-shaft and C-shaft transmission combined rotation function, an A-shaft driven belt wheel installed on an A-shaft frame is driven by an A-shaft motor, a water jet nozzle is fixed to the A-shaft driven belt wheel, and the water jet nozzle and the A-shaft driven belt wheel synchronously rotate. A B-shaft motor drives the A-shaft frame through the B-shaft transmission mechanism to perform arc rotation. A C-shaft motor drives a B-shaft frame to rotate, and a C-shaft flange shaft is connected with a C-shaft frame fixed to the Z shaft. Under the control of a master programmable controller, an X shaft, a Y shaft, the Z shaft, an A shaft, a B shaft and a C shaft are linked to control the position and the direction of the water jet nozzle, the defect that a traditional water jet cutting device can not complete cutting at a time under some conditions is overcome, the cutting head posture adjustment time is shortened, the cutting accuracy and the cutting efficiency are improved, and the water jet cutting machining cost is reduced.

The invention discloses a silkscreen machine with an automatic positioning function and belongs to the technical field of printing equipment. The silkscreen machine comprises a rack of the silkscreen printer and an interface operation system arranged on the rack. At least one feeding conveying belt and at least one discharging conveying belt are arranged on the left side and the right side of the rack. The silkscreen machine further comprises a conveying frame, a lifting column, a positioning workbench, a footbrake switch and an oil mist filter. A printing base transverse beam capable of vertically moving along the lifting column is arranged on the lifting column. A printing base capable of moving leftwards and rightwards along the printing base transverse beam is arranged on the printing base transverse beam. The printing base transverse beam is composed of two symmetrical transverse arm side cover plates, an upper transverse plate and a lower transverse plate, wherein the upper transverse plate and the lower transverse plate are arranged between the two transverse arm side cover plates. A left screen arm and a right screen arm which extend outwards are symmetrically arranged along the bottoms of the two transverse arm side cover plates. Charging is carried out in an assembly-line automatic feeding mode, so that printing precision is improved, the speed is high, and noise is low. A human-computer interface is controlled digitally, and various functions and operation parameters can be set.