23results about How to "Guarantee construction efficiency" patented technology

The utility model relates to the technical field of river-crossing immersed tunnel construction, in particular to a dock gate structure and a dry dock system, the dock gate structure comprises an inner support system, a cofferdam system and a water stop system; the cofferdam system comprises a steel cofferdam arranged at the dock entrance, a downward opening is formed in the bottom of the steel cofferdam, and the side wall of the opening can abut against the outer wall of the immersed tube; the inner supporting system comprises a steel inclined support which is used for supporting the steel cofferdam; the waterstop system can carry out waterproofing on the steel cofferdam, the two sides of the steel cofferdam are connected with dock entrance side walls, the bottom of the steel cofferdam is connected with a dock entrance bottom plate, and the immersed tube penetrates through an opening in the steel cofferdam, so that the dock entrance is blocked by the steel cofferdam, then the steel cofferdam is supported through the steel inclined support, and waterproofing is carried out on the steel cofferdam through the waterstop system. Therefore, the dock entrance is blocked under the condition that the immersed tube part is left at the dock entrance, secondary sealing of the dry dock is realized, subsequent construction operation in the dry dock is facilitated, and the construction efficiency is guaranteed.

The utility model discloses a simple device is straightened to high efficiency for anchor bolt relates to anchor bolt straightening technical field. It includes handle and tool head, and the tool head contains two symmetrical inclined pull beam, two symmetrical bottom push beam and upper crossbeam, lower crossbeam, upper crossbeam and inclined pull beam integral bending form upper straightening and pressing face (resist and press bolt outside), and lower crossbeam and bottom push beam integral bending form lower straightening and pressing face (resist and press bolt inside), and the clamping gap is established to the inclined pull beam, bottom push beam near tool head end, handle and inclined pull beam, bottom push beam are fixed through 100mm lap joint welding, and each component adopts HRB400phi25 reinforcing bar and makes, and when the force is applied to handle, upper crossbeam generates the tension, and lower crossbeam generates the thrust, and the cooperation realizes straightening. The device does not need external power supply, is portable and environmental protection, can solve the poor portability of existing device, the problem of violent straightening and damage bolt.

The invention discloses a modular electromechanical pipeline roof crossing protection device and a construction method, the modular electromechanical pipeline roof crossing protection device comprises a fixed base, a concrete structure floor and a roof layer, the fixed base is pre-buried in the concrete structure floor and the roof layer, and a water stop wing ring is arranged on the periphery of the fixed base; the protective outer cylinder is fixedly connected with the fixed base, the protective outer cylinder is provided with an outwards-turned flange edge, a valve is arranged in the middle of the protective outer cylinder, and the valve is connected with the side wall of the protective outer cylinder through a fastening assembly. The fireproof plugging module is arranged on the inner side wall of the fixed base; the outer side of the fixed base is fixedly connected with the heat preservation outer sleeve. The fireproof plugging module capable of being pulled, inserted and replaced is arranged, the excellent fireproof performance is achieved, the module is formed by compounding a ceramic fiber felt, an expanded graphite strip and fireproof glue or is composed of rock wool, fireproof mud and a fireproof bag according to different pipeline types, reliable fireproof plugging is ensured, and the chimney effect in a fire disaster is effectively prevented.

The utility model discloses a tower hoisting lug, which relates to the field of lugs and comprises a lug plate and a steel bushing, a hoisting hole is arranged on the lug plate, the steel bushing is arranged in the hoisting hole, a thickened steel ring is welded and fixed at one end of the steel bushing, an external thread is arranged on the outer surface of the other end of the steel bushing, and a nut is in threaded connection with the external thread. According to the utility model, the detachable steel bushing is arranged in the lifting hole, so that the shackle or the steel wire rope is in contact with the steel bushing, and the contact area is obviously increased, so that the local contact stress is effectively reduced, and the safety of the lifting lug under a heavy load working condition is improved; and under the action of the nut and the thickened steel ring, the steel lining and the lug plate are connected and fastened, so that the use reliability of the lifting lug is effectively improved, the occurrence probability of safety accidents is reduced, and a powerful guarantee is provided for the safety and construction efficiency of tower hoisting operation.

The invention discloses a method for constructing an enclosure structure by adopting a hole pile method under a limited ground condition, which comprises the following steps of: constructing ground enclosure piles on the ground, arranging the ground enclosure piles along a first open excavation section and a second open excavation section, then constructing the first open excavation section and the second open excavation section, then constructing a pipe curtain support beam below a running track, and then constructing a pipe curtain, excavation is conducted from the first open excavation section and the second open excavation section to the direction, so that an underground excavation section is excavated, in-hole fender posts are constructed along the edge of the underground excavation section, in-hole piles are constructed at multiple positions of the ground of the underground excavation section, and steel pipe stand column piles are installed on the in-hole piles; and finally, a pile top beam is constructed on the steel pipe stand column pile, and a cover plate is installed on the pile top beam. According to the construction method, the ground fender posts are constructed firstly, then the in-hole fender posts are constructed when the underground excavation section is constructed, and the in-hole fender posts are connected with the ground fender posts to form a closed fender post structure, so that the safety of subsequent construction is guaranteed, the stability of a soil layer around the subway station is guaranteed, and meanwhile, the construction efficiency is guaranteed.

The utility model discloses an electric installation tool for a lightning protection grounding electrode, and relates to the technical field of lightning protection engineering construction equipment. The electric hammer locking piece is mounted at one end of the bottom of the electric hammer; the beneficial effects of the utility model are that the electric hammer, the earth pole self-locking block and the clamping taper sleeve are arranged, and after the earth pole enters the ground for a section through double limitation of the earth pole guide groove and the earth pole self-locking block, the tool is lifted, and the clamping taper sleeve can be pulled to a secondary installation height through shifting the two taper sleeve limiting pieces, so that secondary installation can be carried out; the grounding electrode can be fixed through cooperation of the equipment, installation is stable, convenient and fast, operation can be carried out by standing on the ground, the step that a platform is erected and knocked due to the length of the grounding electrode is reduced, construction efficiency is guaranteed, meanwhile, accurate positioning can be formed in the grounding electrode embedding process through arrangement of a guide groove, and the grounding electrode can be conveniently and rapidly installed. The height between the power device and the ground can be freely adjusted, bending damage of the grounding body is reduced, and construction quality is improved.

The utility model discloses long-distance pipe-jacking construction equipment for an urban underground pipe gallery, which belongs to the technical field of pipe-jacking construction equipment and comprises a base, and a supporting plate is fixedly connected to the rear end of the base. The pipe jacking mechanism comprises two first telescopic rods installed on the front side of the supporting plate, the telescopic ends of the two first telescopic rods are jointly and fixedly connected with a pipe jacking plate, a grading ring is arranged on the front side of the pipe jacking plate, and a rectangular inner groove is formed in the front side of the pipe jacking plate; a two-way threaded rod is rotationally connected between the inner walls of the left side and the right side of the rectangular inner groove, and a motor is installed on the right side of the pipe jacking plate. According to the equipment, aiming at the use problem, the pipe jacking mechanism is arranged, long-distance pipe jacking construction operation can be achieved, the control motor drives the two limiting columns to move, the grading ring can be conveniently replaced according to the width of a pipeline, adaptability is good, the auxiliary supporting mechanism is further arranged, and the convenience of replacement operation is effectively improved.

A construction point automatic positioning device and method, comprising a mobile base, a first lateral ranging module, a second lateral ranging module, a multi-axis adjustment module, a laser module and a control system; the first lateral ranging module, the second lateral ranging module and the laser module are mounted on the multi-axis adjustment module, and the multi-axis adjustment module is mounted on the mobile base. The device and method provided by the present invention can automatically adjust its own position in space, use a laser-projected cursor to indicate a target construction point, and do not require human participation, thereby avoiding human measurement and positioning errors and the risk of high-altitude operations; without repeatedly changing the position of the device, calibration of multiple target points within a large range can be achieved, the operation is simple, the indication range is wide, and point marking can be completed efficiently, thereby ensuring construction efficiency.

The utility model discloses a photovoltaic panel installation construction platform in a desert area, which relates to the technical field of photovoltaic module construction and comprises a supporting plate, U-shaped seats are fixed at two ends of the lower end face of the supporting plate, U-shaped supporting rods are rotatably mounted on the inner sides of the two U-shaped seats, and adjusting assemblies are mounted on vertical sections of the two U-shaped supporting rods. Each adjusting assembly is connected with an I-shaped cylinder, an air bag is fixed to the outer wall of each I-shaped cylinder, and a plug pin is fixed to the lower end of each I-shaped cylinder. According to the utility model, the heights of the four bolts can be respectively adjusted through the sleeves so as to cope with the fluctuating terrain of the desert, the four air bags are inflated to a full state by using the air pump, and the air bags are in contact support with the desert, so that the bolts can be prevented from continuously sinking during manual construction on the support plate to a greater extent, and the defect that the desert is soft is overcome; the stability of the supporting plate is guaranteed, so that inclination is prevented, and the construction safety and the construction efficiency are effectively guaranteed.

The utility model relates to transportation equipment technical field, concretely is a kind of large -scale metal roof exempts from car to hoist hoisting material transportation equipment, it includes: transport frame, the top of transport frame both sides is provided with several transverse movement's pressing plate, and the pressing plate side is connected with the adjusting assembly for adjusting the transverse movement of pressing plate, and the both sides end surface of transport frame is fixedly connected with traction ring, and the both sides of transport frame lower surface are fixedly connected with the top of wheel frame, and the bottom of wheel frame is rotatably installed with the roller of hinge pin, and the lower side of roller is slidably installed on guide rail, and the bottom of guide rail is fixedly connected with support plate, and the lower surface of support plate is fixedly connected with roof net rack, and one end of guide rail is fixedly connected with stopper, and the side of stopper is provided with buffer assembly;The transportation equipment replaces artificial turnover by guide rail mechanical conveying system, significantly eliminates the security risk of high-altitude handling operation, simultaneously realizes the automation of material from centralized stacking point to operation surface to and fro transfer using traction device, effectively improves construction continuity and guarantees engineering progress.

The utility model relates to a kind of guiding structure of engineering construction pile driver, including guide frame and guide sleeve, the connecting support connected with guide sleeve is provided on the guide frame, the installation component for installing connecting support is provided on the guide frame.This guiding structure of engineering construction pile driver, using the inclined surface wedge of bolt plate and locking plate, and the compression force formed by the hinging of two L-shaped plates under installation frame, realize the double locking and fixing of connecting support, and the whole assembly process only needs to insert connecting support, embed positioning frame and rotate cross connecting cylinder to complete the locking of connecting support, disassembly only needs to operate reverse step to make, so that when facing multiple diameter pile construction, corresponding size guide sleeve can be quickly replaced, shorten replacement length and guarantee construction efficiency, and using inclined surface wedge and interlocking locking two ways of fixing, avoid the problem that bolt pretightening force attenuates due to long-term vibration caused by bolt fixing.

The invention provides a road iron tailing material source selection method and device considering carbon emission and a storage medium, and the method comprises the steps: in a road construction process, obtaining proposed road information, highway network information, iron tailing material source information and carrier parameters in a construction region, carrying out the segmentation division of a proposed road, and carrying out the segmentation division of the proposed road; the driving distance from each iron tailing material source to each proposed road section is obtained, the corresponding iron tailing material source is selected for each proposed road section in combination with the transportation cost and the carbon cost, control over the transportation cost and the carbon emission cost is effectively improved, and the problems that in the prior art, traditional road building material sources are selected only from the distance and the material cost, and the cost is low are solved. The technical problems that the transportation cost and the carbon emission cost are increased due to the lack of systematic consideration on the quantity and distribution of iron tailing material sources, the carrier transportation volume, the carbon emission cost and the complexity of road driving conditions, the control on the transportation cost of the whole project and the carbon quota management of enterprises are troubled, and the wide application of the iron tailings in road construction is limited are solved.

The present invention proposes a lightweight conversion and visualization method based on the State Grid GIM model, which belongs to the technical field of power grid model auxiliary design; it includes the following steps: S1: parsing GIM model data and constructing a data dictionary; S2: constructing a multi-process deduplicated power component model for the power components used in the power grid project; S3: obtaining a hierarchical tree structure containing several nodes according to the data dictionary; S4: calling the power component model to reorganize the model of the power grid project from bottom to top according to the hierarchical tree structure; S5: lightweight optimization of the reorganized power grid project model; S6: previewing and saving the optimized reorganized power grid project model. The present invention can perform 1:1 lossless restoration of transmission lines and substation projects, adopts a grid sharing mechanism, improves the problem of excessive construction data volume of reused components, and realizes fast and lightweight conversion processing of model information.

The utility model discloses a measuring tube containing electrode, flowmeter, concentration meter and imaging system, the measuring tube containing electrode comprises a tube body and a lining connected to the inner wall of the tube body, the tube body and the lining are provided with electrode holes for the electrode to pass through, the electrode comprises an electrode tip which is matched with the inner wall of the lining in a crimping way, and the electrode tip is provided with a through hole. The electrode tip is connected with a threaded structure body used for being in threaded connection with a locking part through a conical electrode body matched with the electrode hole. According to the technical scheme, the lining covers the inner wall of the tube body and can enter the electrode hole of the tube body, the electrode body of the electrode is inserted into the electrode hole, the lining can be extruded between the inner wall of the electrode hole of the tube body and the outer wall of the electrode body, and then a reliable second-stage sealing structure is formed; the first-stage sealing structure and the second-stage sealing structure formed between the electrode tip and the inner wall of the lining act together, so that the sealing performance of the measuring tube at the electrode can be effectively improved, and the service life of the measuring tube containing the electrode is further prolonged.

The invention relates to a small-short-distance tunnel section single-side expanding excavation construction method. The method comprises the following steps that S1, a first anchor rod is placed in a middle rock wall; s2, a pre-stressed anchor cable is arranged on the arch portion, close to one side of the middle rock wall, of the tunnel; s3, pre-tightening force is applied to the first anchor rod; s4, a temporary lining is arranged in the tunnel; s5, the expanding excavation side is broken; s6, expanding excavation is conducted on the expanding excavation side; s7, a second anchor rod is arranged at the arch shoulder, close to the middle rock wall, of the tunnel; s8, advance supporting and primary supporting are conducted on the expanding excavation part; s9, inverted arch construction is conducted; and S10, the temporary lining is dismantled, and secondary lining pouring construction is conducted. The method has the advantages that the problem that the traffic volume of an existing single-lane highway tunnel is insufficient is solved, the vehicle passing efficiency is improved, surrounding rock and existing lining of the tunnel are reinforced in the construction process, the stability of the whole structure is guaranteed, the expanding excavation construction process is safe and reliable, the construction efficiency is guaranteed, and the method has high popularization value in the field of tunnel construction.

The utility model relates to the technical field of pavement construction equipment, in particular to a slurry scraping device for a pouring type semi-flexible pavement, which comprises a movable vehicle body, a driving mechanism, a reversing mechanism and a working assembly, the working assembly comprises a connecting frame, a mounting frame, a slurry scraping strip, a steel wire brush frame, a control component, a limiting component and an auxiliary component; the two connecting frames are fixedly installed on the front side and the rear side of the movable vehicle body, the two installing frames are installed on one sides of the two connecting frames in a sliding mode respectively, the slurry scraping strip is connected with one installing frame and located on the front side of the corresponding installing frame, the steel wire brush frame is connected with the other installing frame and located on the rear side of the corresponding installing frame, and the control component is connected with the installing frames. The limiting component is connected with the mounting frame, and the auxiliary component is connected with the mounting frame, so that the semi-flexible pavement can be scraped more conveniently and quickly through the arranged components.

The utility model provides a kind of house building steel frame, including multiple steel columns, multiple cross beams connected between steel columns and multiple roof beams connected between steel columns, each steel column includes outer steel connecting section and inner steel connecting section, outer steel connecting section and inner steel connecting section are square steel;When transporting, inner steel connecting section is retracted in outer steel connecting section;When installing, inner steel connecting section is extended from outer steel connecting section, the lower end of inner steel connecting section is connected with the upper end of outer steel connecting section, cross beam is connected in the lower part of adjacent two inner steel connecting sections, and roof beam is connected in the top of adjacent two inner steel connecting sections.The utility model provides a kind of house building steel frame, because steel column is set to telescopic structure form, it is more convenient to transport in retracted state, and it is convenient to assemble when unfolding and installing, reliable connection, guarantee construction efficiency and construction quality.

The invention discloses a mounting method of a large-volume concrete joint surface joint grouting embedded pipe. The mounting method comprises the following steps: S1, designing a construction drawing for pipeline arrangement of each irrigation area; s2, when a construction warehouse surface position map is drawn, according to the number of layers of the irrigation area corresponding to each construction area, pipeline arrangement in the transverse river direction or pipeline arrangement in the along river direction is selected; s3, when the drawing units are drawn, turning areas of multiple pipelines in a single joint grouting system are determined; s4, the drawing unit further comprises a first turning area site diagram and a second turning area site diagram; and S5, construction site disclosure is carried out, and constructors are supervised to carry out pipeline arrangement construction strictly according to the construction drawing. The possibility of pipeline laying confusion of the hydroelectric dam joint grouting system can be reduced, and the pipeline smoothness is improved.

The present application belongs to the technical field of refractory material, and mainly relates to a configuration mode of water-coal-slurry gasifier lining refractory material. The conical bottom lining of the water-coal-slurry gasifier is composed of working lining refractory material directly contacted with molten slag and back lining refractory material not directly contacted with molten slag. The working lining refractory material is made of silicon carbide-oxide composite shaped refractory material product without Cr2O3. The back lining refractory material is made of Al2O3-SiC-C composite refractory material without Cr2O3. The hot-state bending strength of the silicon carbide-oxide composite refractory material is 25-50 MPa under 1400 DEG C carbon burying, and the thermal shock resistance of the material is greater than or equal to 20 times under 1100 DEG C-ambient temperature water cooling. The thickness of the working lining refractory material is 30%-50% of the sum of the thicknesses of the working lining refractory material and the back lining refractory material. The present application has the advantages of green environmental protection, long service life, safety and the like, and can realize the greenization, long service life and light weight of the lining.

The utility model relates to crack repair technical field, concretely is a kind of concrete dam crack repair epoxy mortar construction device: including dam body, the surface of dam body is provided with operation frame, the surface of operation frame is provided with fixed mechanism, the fixed mechanism includes support pipe, the support pipe fixedly connected on the surface of operation frame, the bottom of support pipe is fixedly connected with vacuum chuck. The utility model is attached to the surface of dam body by the vacuum chuck of fixed mechanism adsorption, and operation frame is supported, and the extrusion plate of injection mechanism exports epoxy glue in raw material box inside on the cement mortar on dam crack through material outlet, and raw material box is slid in operation frame, so that material outlet can evenly export epoxy mortar along crack, and the trowelling plate of raw material box side is flattened by epoxy mortar on the surface of dam, guarantee the construction efficiency of epoxy mortar, guarantee the construction quality of epoxy mortar.

The utility model discloses a pipeline groove supporting structure capable of being rapidly adjusted, and relates to the technical field of groove construction equipment. The device structurally comprises supporting plate assemblies and a telescopic pressurizing assembly for connecting and supporting the two supporting plate assemblies. The support plate assembly comprises a support plate, a support connecting rod and a positioning seat; two positioning seats are clamped and mounted on a supporting plate of the supporting plate assembly; the support connecting rod is rotationally mounted on the two positioning seats; the telescopic pressurizing assembly comprises a guide groove body, two connecting sleeves and a jack. According to the utility model, the unique supporting plate assembly is clamped and matched with the positioning seat, the jack is utilized to drive the connecting sleeve to realize rapid pressurization adjustment of the supporting plate assembly, and the design of the fan-shaped reinforcing plate and the like of the supporting connecting rod is matched to improve the structural strength and light weight; the supporting structure can be adjusted according to different geological conditions and groove sizes through the clamping installation mode of the supporting plate and the positioning seat and the rotary installation of the supporting connecting rod, and the universality and practicability of the supporting structure are improved.

This invention discloses a connection device and construction method for a prestressed concrete hollow square pile and its foundation. Several prestressed steel bars are pre-embedded in the sidewall of the hollow square column. A connecting sleeve is connected to the upper part of each prestressed steel bar, and the lower part of the connecting steel bar is connected to the connecting sleeve. A pile head end plate is installed at the upper end of the hollow square column. The hollow square column has several end plate holes for the connecting steel bars to pass through. A steel cage is constructed using the connecting steel bars, and then concrete is poured to form the foundation. The beneficial effects of this invention are: by integrating the standardized pile head end plate and sleeve connector with the pile body during the prefabrication stage, this invention eliminates complex on-site procedures such as sleeve installation and steel bar upsetting, significantly improving construction efficiency and reducing labor and time costs; the use of prefabricated anchoring connection and pre-filling core technology effectively controls the core filling cost while ensuring construction quality; and the pre-embedded components are integrally formed with the pile body, improving connection performance, construction efficiency, and economy.

The utility model discloses a door leaf structure of a vertical hinged door of an elevator, which comprises a structure body, a door leaf crosspiece, a door leaf elbow, an elbow cover plate and a door leaf upright post are arranged on the structure body, the door leaf crosspiece and the door leaf upright post are provided with through long mounting grooves, the door leaf crosspiece and the door leaf upright post are connected into a whole through the door leaf elbow, and the elbow cover plate is arranged on the door leaf upright post. The mounting groove is also correspondingly of a straight-line-transition right-angle horizontal structure; the utility model has the advantages of simple and reasonable structure, convenience in use, quick installation through modularization, good overall effect, firmness, durability, low maintenance and installation cost, further guarantee of construction efficiency and construction quality, and good economic benefit.