177results about How to "Shorten construction time" patented technology

The embodiment of the invention discloses a multistage fracturing tool pipe column of a continuous oil pipe and a construction method. A contact, a releasing sub, a centralizer, a spray gun, a balance valve, a bottom packer, a friction pup joint, a collar locator and a guiding shoe are connected to form the tool pipe column, wherein the contact and a connecting oil pipe are connected and are positioned on the top end of the whole tool pipe column; the spray gun and the balance valve are positioned above the bottom packer; when the tool pipe column is subjected to setting, the internal channels of the upper pipe column and the lower pipe column of the bottom packer are packed by the balance valve; when the tool pipe column is lifted, the balance valve is used for communicating the internal channels of the upper pipe column and the lower pipe column of the bottom packer. Since the balance valve and the bottom packer are arranged, after the modification of one target layer is finished, a sealing construction member of the balance valve is positioned on an opening position when the fracturing tool pipe column is lifted, the upper pipe column and the lower pipe column of the bottom packer are communicated, pressure is balanced, and construction time is shortened.

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The invention relates to a construction method of wide span prestressed beam string structure, which is capable of shortening construction time under the construction quality guaranteed. The construction method of the above beam string structure comprises the following steps of: 1) tension calculation under different working conditions; 2) simulation calculation; 3) stay cable processing; 4) supporting moulding bed assembly; 5) beam string structure assembly and welding; 6) stay cable installation; 7) beam string stay cable tensioning; 8) beam string hoisting; and 9) sampling observation of the tension value of the installed beam string structure to see whether the tension value conforms to the design.

The invention relates to a non-excavation-repairing technical field of old pipelines, in particular to an ultraviolet light solidification soft pipe lining old pipeline repairing technology. The ultraviolet light solidification soft pipe lining old pipeline repairing technology comprises the following steps that a, an on-the-spot investigation is conducted; b, glass fiber lining soft pipe semi-finished products are manufactured in a workshop, wherein glass fiber lining soft pipe semi-finished products in the workshop comprises the steps of manufacturing fiber soft pipes, preparing light-curing resin and manufacturing lining soft pipe semi-finished products; c, on-the-spot lining construction is conducted. Preparation in the workshop and formation on the spot are adopted in the ultraviolet light solidification soft pipe lining old pipeline repairing technology.

The invention discloses a detection method, device and system. The detection method comprises the following steps: sending a radio frequency (RF) port query command to a detection unit; receiving an RF port message sent by the detection unit in accordance with the RF port query command; and comparing the RF port message with a preset message of an RF port to be detected so as to determine whether the connection of the RF port is correct. The detection device comprises a sending module, a receiving module and a determination module. The detection system comprises a query unit, the detection unit and a transmission unit. The detection method, device and system can be used to conveniently and quickly detect the connection condition of the RF port of antenna equipment before a primary device is electrified, therefore, the construction time can be shortened, and the maintenance cost is reduced.

The invention discloses an optical observation device of deformation in a surrounding rock, which comprises a steel wire, a displacement rotating disc, a reflecting membrane, a total station, a computer, a rotating shaft and a heavy hammer, wherein an anchoring head of a measuring point is fixedly connected with the rock wall in a measuring drilled hole of the surrounding rock, the rotating shaft is mounted on an orifice support, the displacement rotating disc and the reflecting membrane are coaxially mounted on the orifice support, the displacement rotating disc covers the reflecting membrane, the steel wire is wound on the rotating shaft, the steel wire is connected with the heavy hammer, the reflecting membrane is fixedly connected with the orifice support, the total station is connected with the computer, analysis software is installed in the computer, and the reflecting membrane can reflect collimation laser emitted by the total station. Windows are uniformly and symmetrically distributed on the displacement rotating disc by taking the shaft line of the rotating shaft as the center of a circle. The device can observe the relative displacement of the measuring point in the surrounding rock in a far-distance, convenient and direct manner, and be conductive to fast measurement of the deformation of the underground engineering surrounding rock and the real-time analytical study of stability.

The invention belongs to the technical field of ultra-low permeability reservoir reform, and particularly relates to a horizontal well volume fracturing tubular technological column and method based on conventional oil tube pressure dragging. The horizontal well volume fracturing tubular column and method are used for oil horizontal well volume fracturing technology. A conventional oil tube is adopted for conveying, a packer packs a constructed layer, hydraulic sand blasting perforation is carried out through hydraulic sand blasting, a ground annular preventer and a fracturing tree pressure dragging tubular column are combined to achieve oil and gas horizontal well continuous subsection volume fracturing construction, the problems that in an existing volume fracturing construction technological process, tubular column dragging operation can be carried out by releasing formation pressure, construction time is prolonged, and the constriction cost is increased are solved, construction time is shortened, construction efficiency is improved, and the construction cost is reduced.

The invention relates to a method for quickly repairing cement concrete pavement. The method comprises the following steps of: (1) prefabricating a cement concrete plate; (2) clearing the original plate damaged by diseases; (3) processing the original base layer; (4) conveying and hoisting the plate; (5) leveling the plate; (6) grouting locally; and (7) processing joints. Through the invention, the road closing time is shortened, the centralized backfield maintenance of the cement concrete pavement plate is realized, and the restriction on vehicle passage caused by traditional several days of maintenance after cement concrete pouring is avoided; the cost is low, the prefabricated spliced pavement has long service life, and the cost of restricting the traffic passage for road repair and construction is reduced; the durability is good, and the cement concrete prefabricated member is proved with excellent durability in bridges and house buildings; and the influence of weather conditions is avoided since the prefabricated slab can be constructed in hostile environment without influencing the strength and durability of the pavement slab.

The invention discloses a one-time pouring concrete inverted arch and a construction method thereof. Inverted arch concrete from a position below an inverted arch filling face of an tunnel inverted arch to an inverted arch primary support is a concrete whole which is free of a concrete boundary and concrete layers and is poured at a time with a same mark number. During construction, an inverted arch arc-shaped formwork is cancelled, and only inverted arch side wall formworks, an inverted arch end formwork and a central ditch formwork are installed; and the inverted arch side wall formworks areinstalled at preset heights of side walls on two sides of the inverted arch, the lower ends of the inverted arch side wall formworks are flush with a preset inverted arch filling face, concrete is poured into an inverted arch middle pouring area at a time to reach a designed height of the inverted arch filling face, and inverted arch concrete is poured into the inverted arch side wall formworks on two sides of the inverted arch to reach the preset height. The construction process is greatly simplified, the construction time is remarkably shortened, layered pouring interface gaps are reduced,inverted arch uplift caused by crack water frost heaving is prevented, the inverted arch construction quality is effectively improved, the engineering cost is saved, and the application range in tunnel construction must be wider and wider.

The invention discloses a method for construction of measurement and pavement of a GRP (ground reference point) of a ballastless track reference network, which belongs to the technical field of construction of ballastless tracks of high-speed railways and solves the problems of long GRP measurement and pavement time and failure to guarantee precision. A high-precision robot type electronic total station and a high-precision electronic level are utilized and combined with an automatic GRP plane data acquisition software, the triangulateration network is measured and paved for the known CPIII (control panel III) and the unknown GRP according to the pavement principle of the triangulateration network, the data are recorded into a balancing software so as to obtain the coordinate of the GRP, altitude of the GRP is measured by the means of back vision-intermediate vision-front vision and by the known second-class level point. The method includes the following steps of setting out the GRP, mounting a locating cone and burying the GRP; measuring and paving the GRP planarly, balancing the GRP plane, measuring the altitude of the GRP and balancing the altitude of the GRP. By the method for construction of measurement and pavement of the GRP of the ballastless track reference network, cost is saved and work efficiency is improved. Besides, the method has evident social and economical benefits, is high in applicability, reliable in operation and easy to master.

The invention discloses a disassembling and assembling method for a shield tunneling machine in a tunnel. The disassembling and assembling method comprises the following steps: firstly, preparation work before the disassembling and assembling as well as the entering of the site, providing a supporting mechanism, wherein the length of the supporting mechanism is at least greater than the height between a bridge of the shield tunneling machine and the ground; secondly, disassembling, assembling and entering the site: transferring the supporting mechanism to the lower part of a bridge frame of the shield tunneling machine, and welding the supporting mechanism with the bridge frame of the shield tunneling machine to form the support for the bridge frame of the shield tunneling machine; thirdly, disassembling the shield tunneling mechanism: disassembling the shield tunneling mechanism, maintaining and overhauling various systems of the shield tunneling machine, and removing faults; fourthly, assembling the shield tunneling machine: reassembling the maintained shield tunneling machine, disassembling and transferring the supporting mechanism out of the tunnel. According to the disassembling and assembling method for the shield tunneling machine in the tunnel, the drilling of a vertical shaft in the ground is avoided, and the shield tunneling machine is hoisted out of the tunnel for maintenance; most of faults of the shield tunneling machine can be handled in the tunnel, huge construction is omitted, the construction time is greatly shortened, and the maintenance cost is reduced.

The invention relates to a curve starting method of a concrete curve jacking pipe, and belongs to the technical field of building projects. The curve starting method is used for solving the problem ofcurve starting control in the jacking process of the concrete curve jacking pipe. According to the curve starting method of the concrete curve jacking pipe, on the basis that the curve jacking trackof the concrete jacking pipe by a pipe jacking machine, follow-up two sections of curve starting pipes and rectifying systems such as auxiliary rectifying is controlled, it is ensured that in the curve section construction process, the concrete curve jacking pipe jacks forwards at a stable curvature radius by calculating the opening amount of the curve section, the situation that measuring and rectifying work needs to be conducted manually when each curve starting pipe reaches the initial point of the curve section curve starting mileage is avoided, and thus the construction time is shortened.The concrete curve jacking pipe reduces occupation of a great deal of fields, and outstanding economic benefits are brought.

The invention relates to a method for constructing a cast coping part through multi-phase strain. The method comprises the steps of: manufacturing a primary segment block by forming more than one row of first lateral casings on a set position of the primary segment block when the primary segment blocks are superposed on the upper end of the blocks as the pier components, manufacturing an auxiliary segment block by matching with the dies on two sides of the primary segment block and forming second lateral casings corresponding to the first lateral casings on the auxiliary segment block, guiding the longitudinal tension through the longitudinal pre-stressed reinforcing steel in the longitudinal casings of the primary segment block after lifting and superposing the primary segment blocks on the upper end of the blocks as the pier components, and guiding the lateral tension through the lateral pre-stressed reinforcing steel in the inserted first and second lateral casings after lifting and combining the auxiliary segment blocks on two sides of the primary segment blocks having the guided longitudinal tension.

The invention discloses a clutch type formwork trolley, a trolley assembly and an underground passage concrete construction method, and belongs to the technical field of tunnel building concrete construction equipment. The formwork trolley comprises a top formwork trolley and side formworks, wherein the side formworks are distributed at the two sides of the top formwork trolley; a moving guide rail is arranged at the bottom of each side formwork; and each moving guide rail is matched with moving pulleys arranged at the lower end of the top formwork trolley to drive the corresponding side formwork to longitudinally move. The formwork trolley assembly comprises two top formwork trolleys coaxially arranged in the longitudinal direction of an underground passage and a set of side formworks, wherein the moving pulleys arranged at the lower ends of the two top formwork trolleys are in mutual butt joint, so that the side formworks longitudinally slide on the formwork trolley assembly. The construction method comprises the following steps of: firstly installing the formwork trolley assembly in place; then, performing concrete casting of a first construction section; next, performing demoulding on the side formworks, and moving the side formworks on the top formwork trolleys of the second construction section to be installed; then, casting the second construction step; and circulating the operations in such a way until the concrete construction of the whole underground passage is completed.

The invention discloses a method for constructing wear-resistant and crack-resistant hardened ground, which is applied to hardened ground of buildings such as modern industrial factory buildings, shopping malls, exhibition buildings, indoor parking lots, warehouses and the like. The method sequentially comprises the following steps of: brushing slurry on the surface of a base layer, namely watering to wet and clean the base layer and uniformly brushing a layer of 801 glue-doped cement slurry on the surface of the base layer; pouring, compacting and trowelling a polypropylene fiber concrete floor with the thickness of 50mm, removing bubbles and free water from the polypropylene fiber concrete by using a vacuum water absorption device, and removing laitance on the surface of the concrete after the concrete is initially set; laying a hardened wear-resistant layer and trowelling for 1 to 2 hours; calendaring by using a trowelling machine; and spreading a layer of BZK-15 surface liquid molded concrete curing agent to cure the ground. The hardened ground poured by the construction method has the characteristics of high durability, permeability resistance and crack resistance, and low construction cost.

The invention relates to a high-strength anti-permeability leak-repairing material and a preparation method thereof. The high-strength anti-permeability leak-repairing material comprises the followingcomponents in parts by weight: 710-800 parts of cement, 140-160 parts of quartz sand, 20-30 parts of a swelling agent, 35-45 parts of dispersing emulsion powder, 4-6 parts of lithium chloride, 5-10 parts of calcium chloride, 4-6 parts of calcium stearate, 4-6 parts of hydroxypropyl methyl cellulose, 2-3 parts of a water reducing agent, 4-6 parts of sodium hexametaphosphate and 4-6 parts of construction polypropylene fiber. The high-strength anti-permeability leak-repairing material is prepared from the components as follows: stirring and mixing a half of cement and a half of quartz sand for 10min, thereby acquiring a main material mixture; successively adding the other components except for the cement and quartz sand into the main material mixture, stirring and mixing for 10min, thereby acquiring an auxiliary material mixture; adding the residual cement and quartz sand into the auxiliary material mixture, stirring and mixing for 20min, thereby acquiring the high-strength anti-permeability leak-repairing material. The high-strength anti-permeability leak-repairing material prepared according to the formula and method has the characteristics of excellent cracking resistance, high toughness and excellent adhesiveness.

The invention relates to a new technology for conducting grouting filling for underground coal goaf and abandoned workings. The technology is characterized in that in grouting construction, the methods of sequentially conducting pressure-free grouting, micropressure grouting and repeated pressure grouting (increasing grouting pressure gradually) are adopted; the grouting filling construction efficiency can be greatly improved for the underground coal goaf and the abandoned workings, the construction period is greatly shortened, the construction cost is lowered, and then the pressure of grouting is truly increased to be about 5 MPa, and the construction quality is guaranteed.

The invention relates to an inspection well, in particular to a prefabricated inspection well and a road construction method involving the inspection well. The road construction method involving the inspection well includes the following steps of (1) arranging a base with an opening, (2) installing a bottom cover on the base, wherein the position of the bottom cover can be determined, (3) normally laying a road bed and a road surface on the bottom cover, (4) prefabricating the inspection well, (5) determining the position of the bottom cover, (6) smoothly cutting the road surface until the bottom cover is exposed and taking out the bottom cover, (7) placing the prefabricated inspection well, and (8) wholly or partially replacing, maintaining and recycling the prefabricated inspection well. The road construction method has the advantages that labor and road manufacturing cost are effectively reduced, road on-site construction time is shortened, the situation that the road surface is uneven due to uneven sediment of the surrounding of the inspection well is effectively avoided, flatness of the road surface is improved, road construction quality is improved, maintenance time of the inspection well is substantially shortened, and the inspection well can be recycled.

The invention provides a ground area stripe coal mine gas outburst elimination technique. The ground area stripe coal mine gas outburst elimination technique comprises the following steps that a branch arrangement mode is optimized; a well location of a vertical well is optimized; a deflection point is optimized; a branch parameter is optimized; a reservoir modification technology is optimized; well drilling and deflecting are carried out; drilling of a main branch section is completed, and a coal rock core is observed; drilling of branches is completed; main branch hydraulic jetting fracturing is completed; and drainage and mining is started according to a drainage and mining design. The ground area stripe coal mine gas outburst elimination technique has the beneficial effects that the development cost of ground coal bed gas can be reduced, a gas extraction period can be shortened, the aim that coal seam gas-bearing capacity is quickly reduced is realized, and a great promoting function of improving coal mine production and accelerating rapid development of the coal industry is achieved.

The invention discloses integrated construction equipment for binding and lifting a continuous beam steel reinforcement framework. The integrated construction equipment is characterized in that a steel reinforcement binding fixture for binding the steel reinforcement framework is arranged on a cast bridge floor, a truss-type slide lifting appliance is longitudinally arranged above the steel reinforcement binding fixture, the front end of the truss-type slide lifting appliance is supported on a front upper beam of a cradle through a front end support, the tail end of the truss-type slide lifting appliance is supported on the cast bridge floor through a tail support, a crown block is mounted on the truss-type slide lifting appliance, and the steel reinforcement framework can be integrally lifted via a steel reinforcement hanger lifted by the crown block. The steel reinforcement binding fixture is mounted on the constructed bridge floor and used for binding the steel reinforcement framework, steel reinforcements are lifted into the cradle by the truss-type slide lifting appliance, steel reinforcement binding and beam section construction are realized simultaneously, and construction time is greatly shortened.

The invention discloses a steel plate pavement road and a construction method thereof. The steel plate pavement road comprises rectangular steel plate blocks, connecting pieces and connecting bars, wherein each steel plate block comprises a first side edge, a second side edge, a third side edge and a fourth side edge which are adjacent sequentially, through holes are formed in each steel plate block, and each through hole is formed in the included angle position defined by every two adjacent side edges; at least two threaded holes are formed in each connecting piece; the connecting bars are inserted into the adjacent through holes of two adjacent steel plate blocks respectively and integrally connect the adjacent steel plate blocks through the threaded holes of the connecting pieces. According to the steel plate pavement road and the construction method, welding assembly is not needed when the steel plates are assembled, the steel plate assembly operation depends on the connecting bars and the connecting pieces, screws are screwed out during dismounting, and lifting work is performed by directly utilizing lifting holes, so that the operation is simple and convenient, the construction time is greatly shortened, and steel plate damage is negligible.

The invention relates to a small feet-lock guide pipe with steel plate connection. The small feet-lock guide pipe is characterized in that a feet-lock steel plate with two symmetric round holes is welded on H-shaped steel to be locked at feet, small feet-lock guide pipes drilled with mortar injection holes penetrate the round holes of the feet-lock steel plate to be hit into wall rock, a reinforcing steel bar limit ring is sleeved at one end of each small feet-lock guide pipe and used as a connector for welding and fixing the feet-lock steel plate and the small feet-lock guide pipes. By the small feet-lock guide pipe, the wall rock and the small feet-lock guide pipes can be tightly connected, the small feet-lock guide pipes are fixedly connected with the H-shaped steel in preliminary bracing, so that the purposes of controlling restraint, controlling arch and controlling integral submergence of the ground are achieved. Members can be processed and manufactured industrially, the steel plate and the H-shaped steel can be welded in advance outside a tunnel, construction time in the tunnels is shortened, construction progress and construction quality are improved, and construction environment inside the tunnel is improved. The small feet-lock guide pipe is safe, reliable and convenient to operate, and meets requirements of safety, quality, progress, economic benefits, social benefits and the like.

The invention relates to the field of foundation pit supporting or slope supporting engineering, in particular to a material saving device and a method for supporting a transverse stress pile. The material saving device comprises more than one pile body, wherein the pile bodies are distributed side by side and are connected with a bidirectional support; the bidirectional support is connected with a steel strand system; the steel strand system comprises more than one son steel strand; each son steel strand comprises a multi-strand branch steel strand; the branch steel strand is divided from the son steel strand part and is fixedly connected with the bidirectional support. The material saving device has the beneficial effects that the construction time and the construction space can be greatly saved and the base slot excavation and the backfill earthwork volume are reduced compared with the conventional construction technology, the using amount of a material in the construction process is reduced, special reinforcing frameworks such as channel beam are not required, the material is saved by 95 percent, but the reinforcing effect is better, the stress is uniform and the steel strand is used for reinforcing the entire body of the more than one pile bodies in a separate mode, so that the problem of non-uniform stress of the steel strand in the conventional construction process is avoided.

The invention relates to an asphalt concrete pavement 3D paving construction method. The method includes the following steps that construction is prepared; a construction segment is determined; a three-dimensional digital model of the construction segment is established; laser emitter control points are distributed; design elements of a paved face are determined, and the longitudinal slope of a paved region and the design elevation of a paved belt start point are calculated according to design requirements; laser emitters are installed according to the position of a paved belt, the design elements of the to-be-paved region are input into the laser emitters, and the paved face accuracy set in the laser emitters is detected and checked; a paver and paver parameters are established; the control points, paved face information and laser receiver and laser emitter data are input into a control system, and the control system determines the height of a distributor of the paver; and paving is organized to be implemented. By the adoption of the asphalt concrete pavement 3D paving construction method, the parameters such as the paving thickness, the paving width and the pavement elevation inthe asphalt concrete pavement paving construction process are accurately and automatically controlled.

The invention discloses a No. 0 block construction bracket and a reverse tension preloading method thereof. By virtue of reverse tension of jacks, the measurement of force borne by each important joint and the measurement of elongation of tie rods, the bracket construction is realized gradually and quickly; compared with a traditional construction method, the No. 0 block construction bracket and the reverse tension preloading method thereof save the construction time and reduce the construction difficulty; steel strands are saved and the cost input is reduced; materials and equipment used areall reusable so as to avoid extra waste of the steel strands; the application range is expanded and restrictive conditions are reduced; the No. 0 block construction bracket and the reverse tension preloading method thereof can be applied to all projects which are restricted by the environment and which can not be constructed according to the conventional preloading method; the reverse tension preloading method disclosed by the invention can detect many joints, and can simulate the state more effectively; and the preloading of each key joint is performed through the jacks so as to ensure the engineering quality and effectively solve the preloading problems in the construction process.

The invention discloses a tied-arch bridge deflection identification method based on long gauge length fiber grating sensors. The method comprises the steps of: arranging sensor, specifically, arranging one continuous long gauge length fiber grating sensor in the lengthening direction of the bottom part of a tie beam of the tied-arch bridge, and respectively arranging one long gauge length fiber grating sensor on three units arranged on different positions in the length direction of the top part of the tie beam of the tied-arch bridge; collecting and processing data, and specifically calculating the axial strain of each unit; adopting a parabola fitting mode to obtain the axial strain on the whole tie beam; according to the axial strain on the whole tie beam obtained by fitting, calculating the bending strain on the whole tie beam; and according to the obtained bending strain, calculating the deflection of the tie beam on the tied-arch bridge. According to the invention, the plurality of sensors are added based on an original sensor arranging scheme, and the sensing arranging scheme of the sensors on the top part of the tie beam is made. In this way, the equipment and manual budget is substantially lowered, the construction time is saved, and more economic benefits can be made.

The invention relates to a composite type axial cold extruding steel bar connecting sleeve and a mounting tool. The composite type axial cold extruding steel bar connecting sleeve comprises an inner sleeve body and an outer sleeve body. The inner sleeve body is provided with an inner sleeve part; the inner sleeve part is a complete cylinder penetrating in the length direction of the inner sleeve part; outer conical parts are arranged at the at least one end of outer surface of inner sleeve part; and the diameters of the outer ends of the outer conical parts in the length direction of the inner sleeve part are smaller than the diameters of the inner ends of the outer conical parts in the length direction of the inner sleeve part. The outer sleeve body is provided with an outer sleeve part; the outer sleeve part is a cylinder penetrating in the length direction of the outer sleeve part; inner conical parts are arranged at one end of inner surface of outer sleeve part; and the diameters of the outer ends of the inner conical parts in the length direction of the inner sleeve part are larger than the diameters of the inner ends of the inner conical parts in the length direction of the inner sleeve part. The composite type axial cold extruding steel bar connecting sleeve can improve the machining efficiency.

The invention relates to a quick-assembling guide rail for a light decoration board. The guide rail comprises a first guide rail component and a second guide rail component buckled with the first guide rail component. The first guide rail component is suitable for being installed on the light decoration board, the second guide rail component is suitable for being installed on the installation surface of the light decoration board, a first connector and a second connector are arranged at the two ends of the second guide rail component respectively, and the shape of the first connector is supplementary to that of the second connector. According to the quick-assembling guide rail, quick installation and easy and convenient replacement of the decoration board are achieved through quick plugging fixation and disassembling separation of the first guide rail component and the second guide rail component, the installation difficulty is lowered, the construction time is shortened, and the demand of people for DIY is met.

The invention provides a rapid replacement and repair method and device for a road intersection pavement structure. The method includes the steps: firstly, milling an old pavement to reach designed elevation; secondly, performing surfacing by the aid of prefabricated reinforced concrete panels and performing slab joint treatment and slab-bottom grouting; finally, opening traffic. According to themethod, the asphalt concrete pavement structure at a road intersection is rapidly replaced by a prefabricated reinforced concrete pavement structure, rut is avoided, construction time is shortened, and traffic pressure is relieved.

The invention discloses a distance-adjustable laser level which is characterized by comprising a shell body, a driving device, a control system, a power supply and a distance measurement module, wherein the driving device comprises a motor and transmission devices; the control system comprises a microprocessor, a direction sensor, a laser module and a driving circuit; the motor is connected with the microprocessor through the driving circuit, the direction sensor is connected with the microprocessor, the distance measurement module is connected with the microprocessor, the laser module is connected with the microprocessor, the laser module is arranged on the Y-axis transmission device, and the driving device can make the laser module to rotate around the X axis, the Y axis and the Z axis.The distance-adjustable laser level disclosed by the invention has a simple structure; the distance-adjustable laser level not only can generate laser lines at any angle, but also can generate specific-distance parallel lines; the distance-adjustable laser level can be remotely controlled to adjust laser lines at any angle and generate specific-distance laser lines at any angle; a reference line can be made without a ruler, and construction time is shortened.