294results about How to "Simple laying" patented technology

The invention relates to an automatic guided vehicle based on magnetic-nail map navigation. The automatic guided vehicle is composed of a vehicle-mounted sensor, an actuator, and a controller. The vehicle-mounted sensor consists of a magnetic ruler, an inertial navigation module, a speedometer, and an RFID reader. The actuator includes a steering system, a braking system and a power system. The guided vehicle is driven on a lane with a magnetic nail; the coordinate of the magnetic nail on the road is known and is stored into the controller; the controller uses the magnetic ruler to measure relative positions of the magnetic nail and the vehicle body on the lane, thereby realizing high-precision positioning of the vehicle. With the inertial navigation module and the speedometer, data fusion is carried out by combining the magnetic nail coordinate information; the controller can calculate an absolute position of the vehicle precisely and continuously; and the actuator is used for realizing high-precision positioning and autonomous driving. According to the invention, the automatic guided vehicle is suitable for various automatic workshops and logistics warehouses. With the vehicle, the manpower can be reduced effectively; and the workshop operation efficiency is improved. The automatic guided vehicle has advantages of high positioning accuracy, excellent control performance, low cost, high reliability, and low maintenance cost.

This utility model is a new interlocking structure for floor panel. The new interlocking structure for floor panel in accordance with the invention comprising floor panels; one panel edge having an upwardly curved flange, having at least one tooth, formed at it end and at least one hump and depression along its one top surface; the adjacent panel has a generally correspondingly shaped recess to receive the flange, the sectional configuration of tooth is trapezia. The floor panel made in this way, just because there is the interlocked gear shaped tongue on the vertical section of the tongue and groove connection. This interlocking increased the bearing capacity of floor panel from vertical acting force. And the abutting joint of panels is also improved obviously. It is useful and helpful to processing panel in vertical direction and laying precision of panel, as well as preventing the breakage of joint and distortion of floor panel.

The invention discloses a cooperative vehicle infrastructure-based curve speed warning method, which comprises the following steps: putting a road side unit at a curve, broadcasting out curve information periodically, and judging whether a vehicle heads for the curve or not in advance by a vehicle terminal according to the information of the vehicle and the received curve information; giving out the distance to the curve and the speed-limit prompt of the curve in advance if the vehicle heads for the curve; giving out the speed-limit prompt of the curve and detecting whether the vehicle is overspeed or not in real time if the condition that the vehicle drives into the curve is detected, and giving out overspeed warning if the vehicle is overspeed to remind a driver of driving at a safety speed; relieving the warning when the condition that the vehicle puts off the curve is detected. According to the method, the limiting speed of the curve can be given out in advance, and the condition that the vehicle drives into the curve and puts off the curve can be efficiently and reliably judged; written or audio warning is given out when the vehicle is overspeed, and therefore, a selectable simple scheme is provided for the auxiliary driving safety application of Internet of vehicles.

The invention discloses ecological river interlocking type building blocks and a construction method for building a protection ridge through the building blocks. Each building block comprises a building block basal body, a first building block connecting body and a second building block connecting body are arranged on the two sides of each building block basal body respectively, and the first building block connecting body and the second building block body are respectively provided with grouting holes. The construction method for building the protection ridge through the building blocks particularly includes the following steps of surveying and setting out, base slot excavation and PVC drain pipe embedment, bottom plate concrete pouring, reinforcing mesh laying and installing, ecological retaining wall installing, steel doweling and grouting, grass planting, earthwork backfilling and geogrid laying. The building blocks have the advantages of being high in strength and crack resistance and few in consumed materials, and therefore the cost for manufacturing the mutually-embedded protection slope building blocks is reduced; bottom plates, retaining walls and earthworks behind the walls form a stable structure, and the structure can resist the load effect and is stable and firm.

Disclosed in the invention is a fluoroplastic insulation light cable for aerospace. The cable is formed by conductive cores, a circular conductor braiding shielding layer, a fluoroplastic insulation layer, and an outer sheath layer. Silver-plated copper wire stranded conductors are extruded by silicone rubber insulation layers to form the conductive cores; and the three conductive cores are stranded to form a cable core. The gap of the cable core is filled with a flame-retardant filling rope; the circular conductor braiding shielding layer is arranged outside the cable core; and the outer sheath layer and the fluoroplastic insulation layer successively cover the circular conductor braiding shielding layer from the outside to inside. According to the scheme, the provided cable has advantages of simple structure design, and stable performance; and the performance requirement of the cable for aerospace can be met. The provided cable has characteristics of high temperature resistance, inflaming retarding, radiation prevention, flexibility, light weight, and easy laying.

The two-step underground pipe-driving construction process includes setting working well and accepting well on the two ends, between which the pipe is laid, for pipe driving construction, driving one guide steel pipe between the working well and the accepting well with a miniature remote-controlled guide pipe driving machine based on designed axis requirement, and subsequent reaming to shape the hole with a capstan reamer or an extruding reamer while driving the pipe one section by one section, and pushing out guide steel pipe with the capstan reamer or the extruding reamer to the accepting well for recovery.

The invention discloses a cuttage seedling method for honey suckles. The method mainly comprises the following steps: paving a black mulching film; performing rooting treatment on cuttage seedlings; after the cuttage seedlings treated by a rooting agent pass through the black mulching film, inserting the cuttage seedlings into soil; and covering a soil layer with the diameter of 50 to 60 cm and the thickness of 5 to 6 cm at the periphery of the cuttage seedlings. By the method, the survival rate of the cuttage seedlings of the honey suckles can be increased and can reach over 90 percent. According to the photosynthesis principle of crop growth, the black mulching film is paved, so growth of weeds can be inhibited and the weeding aim is fulfilled basically. Soil moisture can be maintained and the ground temperature can be increased, so that growth of the crops can be accelerated, the crops are ripe in advance and the economic benefit is increased. The mulching film is simple to pave; and the width of the mulching film is selected according to the distance between the field crops. After the mulching film is paved, soil covers the periphery of the cuttage seedlings, so that the cuttage seedlings are prevented from being burned due to overhigh reflecting temperature of the black film.

The invention discloses an aluminum alloy cable core and a method for preparing the aluminum alloy cable core. The cable core is composed of 0.06wt% of Si, 0.40-1.2wt% of Fe, 0.05wt% of Cu, 0.01-0.05wt% of Mg, 0.01-0.3wt% of RE, 0.05wt% of Zn, 0.04wt% of B and the rest of Al. According to the aluminum alloy cable core and the method for preparing the aluminum alloy cable core, rare earth resources in China are utilized; after rare earth elements are added to conductor materials, aluminum alloy conductors which are extremely competitive in conductivity, flexibility, bending property, tensile property, creep resistance and connecting stability and excellent in resistance to corrosion are prepared through the smelting process, the rod drawing process, the wire drawing process, the compressing process and the stranding process and special annealing treatment; after being detected and verified by authorities at home and abroad, the compensative performance of the aluminum alloy cable core is far beyond current industry standards at home and abroad; high-tech aluminum alloy cable products can be widely applied to fields like electric power, automobiles, traffics, mineral products, ships, chemical industries and military, and the advantages of the high-tech aluminum alloy cable products are more obvious when the high-tech aluminum alloy cable products are used in complex and severe engineering environments.

The invention relates to a plant coil for ecological restorations of engineering slopes, aiming to solve the technical problem that the existing plant coil has the disadvantages that vegetation soil is prone to massive loss, landslides happen easily and the like. The plant coil comprises an irradiation reflection layer, two temperature regulation blocks, a light ray resistance control layer, a field planting layer, a field planting layer stabilizing layer, two moisture barriers, a seed pile, seed germination holes and moisture closure slots, the field planting layer stabilizing layer is arranged on the bottom surface of the plant coil, the field planting layer is arranged on the upper surface of the field planting layer stabilizing layer, the light ray resistance control layer is arranged on the top of the field planting layer, the first moisture barrier, the first temperature regulation block, the seed pile, the second moisture barrier and the second temperature regulation block are arranged on the top of the light tray resistance control layer in sequence, and the irradiation reflection layer is arranged over the first moisture barrier, the first temperature regulation block, the seed pile, the second moisture barrier and the second temperature regulation block.

The invention relates to the field of transformer installation, in particular to a hydraulic ejecting, pushing and sliding installation method for a transformer. The hydraulic ejecting, pushing and sliding installation method is characterized by including the steps of firstly, conducting site acceptance on the transformer; secondly, leveling the site; thirdly, conducting initial alignment so that the center line of the transformer can correspond to the center line of a foundation; fourthly, arranging a jack below the transformer; fifthly, jacking up the transformer through the jack; sixthly, erecting a steel or wood framed bent; seventhly, laying two parallel steel rails; eighthly, arranging a hydraulic pushing and sliding machine and adjusting the hydraulic pushing and sliding machine in place; ninthly, enabling the whole transformer to slide; tenthly, detaching the hydraulic pushing and sliding machine, and jacking up the transformer through the jack; eleventhly, removing both the steel rails; twelfthly, installing the transformer, and completing the installation after the transformer is installed in place. Through the steps, auxiliary devices for the transformer can be easily laid, the overall operation is convenient and rapid, and meanwhile mechanical cost and organization cost can be saved.

The invention discloses a multi-function wireless access equipment and a wireless access method thereof, wherein the equipment comprises a voice gateway function unit, a data gateway and transmission interface unit, a power supply and equipment control unit and a multi-function wireless access unit. The voice gateway function unit is connected with the multi-function wireless access unit and the power supply and equipment control unit, and is connected with a remote PSTN switch by a transmission medium; the multi-function wireless access unit is connected with the voice gateway function unit, the power supply and equipment control unit and the data gateway and transmission interface unit; and the data gateway and transmission interface unit is connected with the multi-function wireless access unit and the power supply and equipment control unit and is connected with a broadband remote access server (BRAS), a macro network core-network and other wireless access networks through a transmission network. The multi-function wireless access equipment has the multi-function wireless access unit which can provide macro network wireless access network function, micro network function, wireless telephone function and wireless gateway function.

The invention discloses a cement-base self-leveling mortar which is prepared from the following raw materials: 20-30% of ordinary Portland cement with the standard glue sand strength level of not lower than 42.5, 7-10% of high-alumina cement with the standard glue sand strength level of not lower than 62.5, 5-7% of anhydrous gypsum, 2-4% of high-molecular polymer, 0.2-0.4% of water reducing agent, 0.2-0.4% of defoaming agent, 0.1-0.2% of retarder, 0.1-0.2% of early-strength admixture, 0.2-0.3% of thickener and the balance of filler. Compared with other traditional cement self-leveling mortars, the cement-base self-leveling mortar disclosed by the invention has the advantages of favorable constructability, high early strength, no shrinkage in the later period, favorable wear resistance, beautiful mortar surface and the like.

The invention discloses a mutually-embedded type slope protection building block. The mutually-embedded type slope protection building block comprises a building block body, an embedded groove is formed in one side of the building block body, an embedded tail is arranged on the other side of the building block body, the embedded tail is matched with the embedded groove, a barb groove is formed between the building block body and the embedded tail, an elastic barb is arranged on the building block body, the elastic barb is matched with the barb groove, and an ecological through hole is formed in an integrated structure of the building block body and the embedded tail. The invention further discloses a construction method for building a protection slope through building blocks. The construction method comprises the first step of surveying and setting out, the second step of construction preparing and digging, the third step of inverted filter paving, the fourth step of mutually-embedded type slope protection block paving, and the fifth step of grass planting. According to the mutually-embedded type slope protection building block and the construction method thereof, the building blocks are well buckled, a certain range of differential settlement or frost heaving thaw collapse deformation is allowed in a slope protection foundation, the advantage of high-strength fracture prevention is achieved, meanwhile, the whole building block set is paved during the construction process, pavement is easy and convenient, construction cost is saved, and the construction period is shortened.

The invention discloses a spindle stacking robot. The spindle stacking robot comprises an X-axis ground rack, and a supporting board is mounted on the X-axis ground rack in a sliding mode. The supporting board is connected with a driving device, and the supporting board moves in the X direction along the X-axis ground rack under driving of the driving device. A vertical Z-axis module is fixed to the supporting board and provided with a cantilever, and the cantilever moves up and down under driving of the Z-axis module. A Y-axis module is fixed to the cantilever and provided with a vertical suspension board, and the suspension board moves in the Y direction along the Y-axis module under driving of the Y-axis module. A rotating device with an output shaft is fixed to the suspension board, the center line of the output shaft of the rotating device is parallel to the X axis, a grip is fixed to the output shaft of the rotating device, and the grip rotates in the plane perpendicular to the X axis under driving of the rotating device. Accordingly, the spindle stacking robot is simple in structure, fully automatic and convenient to use.

The invention discloses a cable laying robot. The cable laying robot comprises a first top wall mechanism, a first fork shearing push mechanism, a passive type pseudo parallel steering mechanism, a second fork shearing push mechanism and a second top wall mechanism which are connected in sequence, wherein the first top wall mechanism and the second top wall mechanism comprise chuck bodies, top wall supports which are installed on the chuck bodies and can move in an extension mode relative to the radial directions of the chuck bodies and first driving mechanisms, a second driving mechanism used for driving the first fork shearing push mechanism to move in an extension mode relative to the first top wall mechanism is arranged on the first fork shearing push mechanism, the passive type pseudo parallel steering mechanism comprises two subdivision chassis which are arranged oppositely and a steering mechanism, the subdivision chassis are arranged outside a cable in a sleeved mode, and a third driving mechanism used for driving the second fork shearing push mechanism to move in an extension mode relative to the second top wall mechanism is arranged on the second fork shearing push mechanism. The cable laying robot can creep in various pipelines such as a horizontal pipeline, or a vertical pipeline or an inclined pipeline, laying of the cable is achieved, and the cable laying robot cannot be limited by the thickness and the length of the cable.

Embodiments of submersible composite cables include a non-composite electrically conductive core cable, a multiplicity of composite cables, including a multiplicity of composite wires, around the core cable, and an insulative sheath surrounding the composite cables. Other embodiments include an electrically conductive core cable; a multiplicity of elements selected from fluid transport, electrical power transmission, electrical signal transmission, light transmission, weight elements, buoyancy elements, filler elements, or armor elements, arranged around the core cable in at least one cylindrical layer defined about a center longitudinal axis of the core cable when viewed in a radial cross section; a multiplicity of composite wires surrounding the elements in at least one cylindrical layer about the center longitudinal axis; and an insulative sheath surrounding the composite wires. The composite wires may be metal matrix or polymer composite wires. Methods of making and using submersible composite cables are also disclosed.

The invention discloses a distributed fiber laying method, and the method comprises the steps: 1, determining the spatial resolution required by the monitoring; 2, calculating the side length of a network structure according to the spatial resolution determined at step 1; 3, carrying out the laying of lateral distributed fibers; 4, carrying out the laying of longitudinal distributed fibers; 5, enabling the ports of the lateral distributed fibers and longitudinal distributed fibers to be connected to an optical fiber sensing analyzer. The method provided by the invention is high in resolution.

The invention provides an integrated-type acid-washing unit. The integrated-type acid-washing unit comprises a groove body with an interior which is divided into an upper layer and a lower layer by a clapboard, squeezing rolls, a maintenance room, a circulating pump and a heater, wherein the upper layer of the groove body forms an acid-washing groove by the clapboard, and an acid liquid recovery groove is formed below the clapboard; at least two squeezing rolls are arranged and horizontally placed at one end of the clapboard up and down respectively, and the space between the two rolls is not lower than the end part of the clapboard; the lowest part of the acid-washing groove is conducted with the acid liquid recovery groove; the circulating pump is conducted with the acid liquid recovery groove or the maintenance room, and connected with the heater, and the output pipeline of the heater is conducted with the acid-washing groove; and the maintenance room is communicated with the acid liquid recovery groove, the maintenance room and the acid-washing groove are provided with detachable sealing upper covers, and the maintenance room or the acid liquid recovery groove is further conducted with a liquid drainage pipeline. The integrated-type acid-washing unit provided by the invention can be used for performing multi-concentration stepped acid-washing, thus saving the cost of an acid-washing liquid, ensuring the quality of the acid-washing, reducing the floor area of equipment and the workload of foundation construction, reducing production cost, and contributing to maintenance.

The invention discloses a bonded flexible water proof and drainage coiled material for a road and a railway tunnel and a laying method thereof. The coiled material comprises a water proof and drainage part and more than one bonding belt vertically coated one side of the water proof and drainage part. The water proof and drainage part comprises a main board of a water proof board and a plurality of protruding strip ridges vertically arranged on one side of the main board of the water proof board. Drainage blind drains are formed by grooves between the protruding strip ridges. The bonding belts and the protruding strip ridges are arranged on the same side. The bonded flexible water proof and drainage coiled material can closely adhere to an initial support. Even if a secondary lining pouring method from bottom to top is utilized, the gap generation at an arch portion is avoided, the mountain water of the initial support is discharged easily, and the water proof effect is good through the combination of the water tightness and the drainage. The drainage blind drains can be easily formed by geotechnical cloth. The blocking of the drainage blind drains and the puncture for the main board of the water proof board caused by sands and stones can be avoided through the filtration of the geotechnical cloth. The water proof board can be extended and transformed easily under outside strong extrusion or extension, and the damage to the main board of the water proof board can be prevented.

The invention relates to a long-distance line for high voltage, having an outer jacket pipe extending in a longitudinal direction, having an inner conductor led in the interior of the jacket pipe in parallel to the longitudinal direction, and having a number of mounting insulators, by means of which the inner conductor is held on the jacket pipe at a distance therefrom transverse to the longitudinal direction, and a correspondingly embodied mounting insulator. The mounting insulators serve for adjusting the distance between the inner conductor and the jacket pipe. The long-distance transmission line is particularly air insulated in design. The mounting insulators allow simple assembly and installation of the inner conductor.

The invention provides a device and a method for tuning echo wall micro-cavities. The device comprises an optical fiber. The echo wall micro-cavities which are positioned on a side of a fiber core are arranged in cladding of the optical fiber, graphene is laid at cavity openings of the echo wall micro-cavities and is connected with electrodes, and voltages are applied to the graphene by the electrodes, so that the echo wall micro-cavities can be tuned. The device and the method have the advantages that the echo wall micro-cavities are integrated in the optical fiber, the fiber core in the optical fiber is used as waveguide for exciting the echo wall micro-cavities, and accordingly the device is compact and stable in structure; distances between the echo wall micro-cavities and the waveguide for exciting the echo wall micro-cavities rarely change in tuning procedures, accordingly, the device and the method rarely affect quality factors of the echo wall micro-cavities, and the tuning accuracy of the echo wall micro-cavities can be improved; only input laser devices are required in the tuning procedures, extra laser devices can be omitted, and accordingly the device and the method are low in tuning cost; the graphene is extremely high in heat conductivity, heat generated by the graphene can be quickly transmitted to the echo wall micro-cavities, and accordingly the device and the method are high in tuning efficiency.

The invention discloses a photocatalysis net installing and arranging method for water quality purification. The method comprises the following steps of 1, according to the water quality classification and the water area with cut pollution and closure, determining the number of blocks of photocatalytic nets and the arranging position; 2, connecting the photocatalytic nets; 3, installing fittings of the photocatalytic nets; 4, putting the photocatalytic nets. The method has the advantages that the photocatalytic nets are laid easily, the distance away from the water surface is controllable, thesafety is high, and the photocatalytic water quality purification reaction capability is brought into full play.

The invention discloses a method for reducing the number of array elements of a large-scale spherical surface array, and aims to provide a method capable of obtaining electrical performance equivalentto that of a full array and remarkably reducing the total number of the array elements of a spherical surface antenna array. According to the technical scheme, the method comprises: establishing a coordinate system, and constructing an antenna subarray according to the rule of half-wavelength uniform arrangement of antenna units in the antenna subarray; dividing sub-arrays along the pitching direction and the azimuth direction of the coordinate system, and constructing an initial full array; establishing a spherical cylindrical array antenna array model based on large-spacing array element arrangement, and constructing a new antenna subarray with large-spacing array element arrangement; and then, setting an activation angle domain and different incoming wave directions according to the array element spacing, and calculating the synthetic gain of the antenna array under each array element interval. The total array synthetic gain of the antenna is compensated by reasonably reducing thecurvature of the spherical surface and increasing the diameter of the spherical surface to a proper value, and the gain value and the sidelobe characteristic similar to those of a full-array array areobtained while the number of the array elements is reduced.

The invention discloses a system and a method of recognizing a tunnel entrance vehicle type based on an ARM. The system comprises a camera arranged at the tunnel entrance; a ground pressure sensor is buried on the ground in front of a camera vision field center; the ground pressure sensor and the camera are both connected with a processing unit; the processing unit comprises a processor; the processor is connected with the camera and the ground pressure sensor; the processor is also connected with an image recognition system, a wheelbase calculation system, a database, a sensor recognition system and a data input and output interface. A vehicle picture, the sensor compression time and the compression times are acquired through the camera and the ground pressure sensor; the vehicle axle number, the wheelbase and the vehicle dimension are calculated and obtained; in comparison with database regulation data, the tunnel entrance passing vehicle type information is recognized accurately; the vehicle type is recognized when two recognition methods are combined; the recognition rate is improved; the laying is simple and easy to execute; and all-weather vehicle recognition can be ensured to be continued.

The invention relates to a linear floor drain which can distinguish dry and wet areas of a washroom and can be interchanged between a same layer and a cross layer according to the application environment, and an installation method thereof. The linear floor drain provided by the invention comprises an elongated cover cap (1), a floor drain main body (2) and a height-adjustable fixed supporting structure, wherein the height-adjustable fixed supporting structure is used for fixedly supporting the floor drain main body (2), the floor drain main body (2) extends downwards so as to form a lower flanging (9), and the outside of the lower flanging (9) is detachably connected with a horizontal water draining adaptor for realizing same-layer water draining or a lower water draining adaptor for realizing cross-layer water draining. Because of adopting the structure above, the linear floor drain solves the problem of generality of floor drains in buildings with different water draining types, avoids the occurrence of dryout phenomenon of water seals, and has the advantage of large water discharge.

The invention relates to an active-carbon thermal-insulation material and a preparation method thereof, belongs to the technical field of materials, especially belongs to the technical field of carbon, and concretely, relates to a heat-insulation warm-keeping material and a preparation method for the heat-insulation warm-keeping material. The material is obtained by performing charring and crushing on some vegetable raw materials, mixing with carbon black according to a certain ratio, pouring into a stirring pot, adding a bonding agent, uniformly stirring under a warm-keeping condition and performing compression molding. Light porous active carbon is formed by utilizing easily-available cheap herbaceous plants through charring and has low heat-conduction electric-conduction coefficients, and carbon black is added as a reinforcing agent, so that the thermal-insulation electric-insulation properties are provided, and also the effect of enhancing the strength is given play. The obtained material is spread at the bottom of a resistance furnace and has the characteristics of being capable of bearing gravity of a product at the upper part without being damaged; the thermal-insulation material is easy for paving, and a damaged block is easy to repair; the material is good in thermal insulation effect, helps to reduce energy consumption, and is economic and practical; and the material helps to solve the phenomena that a conventional resistance-furnace thermal-insulation material is complex for paving and bad in thermal-insulation effect and causes flying of dust.

The invention discloses a seawater sucking method and a seawater conveying device and relates to the field of seawater utilization. The seawater conveying device comprises a total seawater pipe (10), wherein one end of the total seawater pipe extends downwards to a deep part of the sea, at least one atmosphere communicating pipe (5) directly communicated with the atmosphere is arranged on a near-coast part of the total seawater pipe (10), a communication port of the atmosphere communicating pipe is lower than the lowest water level (2), an upper port of the atmosphere communicating pipe (5) is higher than the highest water level (3), a port (in a low level impounding reservoir (15)) of the total seawater pipe (10) is lower than the lowest water level (2), and a breathable cover (4) is installed on the upper port of the atmosphere communicating pipe (5); a gate valve (6), exhaust valves (14), a water injection valve (7), a gate valve (11), a coarse cleaner (1) and a fine cleaner (9) are installed on the total seawater pipe (10); the gate valve (6) and the gate valve (11) on the total seawater pipe (10) are both positioned below the lowest water level (2); and when the total seawater pipe (10) is filled with the seawater, the gate valve (11) is opened after the gate valve (6) is firstly opened in the process of high tide to realize that a large amount of low-temperature deep seawater with high quality can be introduced to the lands without energy consumption.

The invention relates to a plate cylinder, said plate cylinder having a channel in which a tensioning device is arranged. The tensioning device has a front and a rear clamping device, and the rear clamping device is part of a slide of the tensioning device. The slide is arranged so as to be movable along a tensioning path in a tensioning direction towards the front clamping device within the channel by means of a tensioning drive, and a maximum displacement of the slide in and / or opposite the tensioning direction relative to a plate cylinder body is at least as large as an extension of a provided contact surface between a printing plate that is clamped in the rear clamping device and a radially outer clamping element of the rear clamping device, said extension being measured in the tensioning direction.; The invention also relates to a method for arranging a printing plate onto a plate cylinder.