79results about How to "Reduce field work time" patented technology

The invention relates to the structural plane measuring technique in the engineering geological investigation field and discloses a structural plane measuring method based on the three-dimensional laser scanning technique. The structural plane measuring method solves the problems that working time is long and efficiency is low in rock mass structural plane measuring modes in the prior art. Investigation window rock mass surface laser-point clouds are obtained through the three-dimensional laser scanning technique, rock mass surface true color digital photos are obtained through a digital camera, structural planes are recognized through the three-dimensional laser-point clouds and the true color digital photos, the occurrence of the structural planes is worked out, the exposing lines of the structural planes are generated, and the length and persistence ratio of the structural planes and the distance between the structural planes and the like are measured. The method is suitable for rock mass structural plane measuring.

The invention relates to a prefabricated wall, a prefabricated wallboard, a construction method of the prefabricated wall and a production method of the prefabricated wallboard, belonging to the technical field of building walls. The prefabricated wall comprises steel reinforcement cages arranged at floors, wherein each steel reinforcement cage comprises longitudinal main reinforcements and reinforcement stirrups fixedly arranged on the main reinforcement; the outer surface of each steel reinforcement cage is fixedly provided with two first dismounting-free heat insulation template; each steel reinforcement cage is internally provided with a limiting ring and a locating steel tube extending along the length direction of the main reinforcement; the locating steel tubes are arranged in the limiting rings; the locating steel tubes in the steel reinforcement cages at an upper floor are connected with the adjacent locating steel tubes in the steel reinforcement cages at a lower floor through locating tube sleeves; the mutually-abutted main reinforcements of the steel reinforcement cages at the upper floor and at the lower floor are welded together fixedly; and cast-in-place concrete is solidified in the steel reinforcement cages and holes of the locating steel tubes. The prefabricated wall, the prefabricated wallboard, the construction method of the prefabricated wall and the production method of the prefabricated wallboard have the advantages that the structure is reasonable and rapid construction and installation are conveniently realized.

The invention provides a tower cylinder overturning device and a hoisting method for a tower cylinder. The tower cylinder overturning device comprises a base, an overturning bracket and a hydraulic supporting device. One end of the overturning bracket is in pivot connection with the base, and the overturning bracket can be overturned to a horizontal state from a vertical state. The overturning bracket comprises a supporting plate supporting part and a side supporting part. The upper surface of the bracket supporting part is used for supporting the bottom of the tower cylinder in the axial direction, and the side supporting part is used for supporting the side wall of the tower cylinder in the radial direction. According to the tower cylinder overturning device, the bracket supporting part supports the bottom of the tower cylinder, the side supporting part supports the side wall of the tower cylinder, after the tower cylinder overturning device is connected with the bottom of the tower cylinder in a butting manner, by means of the action of a crane, the tower cylinder can be hoisted into the vertical state from the horizontal state, and then the crane hoists and installs the tower cylinder.

The invention discloses bridge big-height lifting displacement equipment based on a vehicle set and a construction method thereof. The equipment comprises the vehicle set and a lifting transfer support module; the vehicle set is arranged at the lower part of the lifting transfer support module; the lifting transfer support module comprises at least two rows of conversion connecting beams longitudinally arranged; multiple beam lower outer stand columns, vertically arranged in parallel, are fixedly mounted at the lower parts of each row of the conversion connecting beams; multiple beam lower inner stand columns, corresponding to the beam lower outer stand columns, are arranged on the inner sides of the beam lower outer stand columns; the tops of the beam lower inner stand columns are fixedlyconnected with the bottoms of the conversion connecting beams; the bottoms of the beam lower inner stand columns are fixedly connected with the vehicle set; multiple beam upper support stand columns,vertically arranged in parallel, are fixedly mounted at the upper parts of the conversion connecting beams; upper distribution beams are fixedly mounted on the beam upper support stand columns; and connecting brackets for supporting beam bodies are arranged on the distribution beams. The equipment is simple in lifting displacement structure and convenient to assemble, and can realize quick disassembly, replacement and shifting of big-clearance bridges (groups).

Disclosed is a water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation. The device comprises a drilled hole, a first mixing explosive-charging system, a second mixing explosive-charging system, a third mixing explosive-charging system, structural cavity systems, combined medium systems, a first connecting sleeve, a second connecting sleeve, a combined blocking system, explosive, detonators and leading wires. The water-air combined medium non-coupled rapid explosive charging device for tunnel extra-large cross section deep-hole rock blasting fragmentation is provided by the invention, has the characteristics of low cost, high efficiency, reliable performance and good shock absorption and dust prevention effects and also has the following advantages that rapid explosive charging is achieved; the explosive-charging structure is accurate; the length of deep holes is accurately measured; and shock absorption, high energy utilization rate, good reliability, low cost and the like are achieved.

The invention discloses a hoisting vehicle and method for replacing of long and heavy parts of a high-speed railway turnout. The hoisting vehicle comprises a rail vehicle body, a fixed portal frame flat vehicle body and a moveable portal frame flat vehicle body which are connected end to end through hooks. The method for replacing of the long and heavy parts of the high-speed railway turnout comprises the following steps that 1, the new long and heavy parts of the high-speed railway turnout are hoisted and fixed; 2, the fixed portal frame flat vehicle body and the moveable portal frame flat vehicle body are unfolded and fixed; 3, the used long and heavy parts of the high-speed railway turnout are hoisted and fixed; 4, the new long and heavy parts of the high-speed railway turnout replace the used long and heavy parts of the high-speed railway turnout; and 5, the fixed portal frame flat vehicle body and the moveable portal frame flat vehicle body are folded. The hoisting vehicle and method have the advantages that according to the mechanical device designed special for the long and heavy parts of the high-speed railway turnout, the current defect of secondary hoisting of the new and used long and heavy parts of the high-speed railway turnout is overcome, and thus the site operation time is saved greatly. In the safety aspect, the operation range of the equipment is below that of a lifting beam, so that the hidden danger that the equipment collides a contact net is avoided. In the aspect of comparing the equipment cost, the equipment investment of the newly-proposed method is quite low, and thus popularization is easy.

The invention relates to a measuring tool, in particular to a column measuring tool. A column gradient measuring device comprises a straight steel ruler provided with scales, an upright post, two screw bolts, a telescopic sleeve tube and a tup, wherein the top of the upright post is provided with a joint fixedly connected with one end with large scales of the straight steel ruler; each screw bolt is provided with a screw cap and a spacing piece; the two screw bolts are fixedly connected and penetrates through the straight steel ruler, one screw bolt approaches the end with small scales of the straight steel ruler, and the other screw bolt is positioned on the middle section of the straight steel ruler; the telescopic sleeve tube is arranged in parallel with the straight steel ruler, and one end is fixedly connected with the lower section of the upright post; and the tup is hung on the screw bolt positioned on the middle section of the straight steel ruler through a hanging rope. The invention ensures that operators can fast, conveniently and accurately carry out column gradient measuring work in a complex environment in the field, shortens field work time, reduces the operators, and obviously enhances the efficiency of the measuring work.

The invention discloses a method for cladding a steel rail with an alloy without cooling rate control. The method is characterized by comprising the following steps that a, a steel rail cladding machine is put on the steel rail, a plasma welding gun moves at a constant speed, and the upper portion of the to-be-cladded portion is cladded with the alloy; b, a formed alloy strip is located on the inner side of the center of the tread face of the rail head of the steel rail, the width of the alloy strip ranges from 4 mm to 40 mm, and the thickness of a heat affected zone of the steel rail is controlled to range from 0.3 mm to 30 mm; c, a flame head is arranged above the alloy strip, liquefied gas and oxygen are directly mixed on the flame head, after the alloy strip obtained after cladding issubjected to standing for 2 s to 180 s, the flame head is started to move in the X-axis direction at a constant speed to carry out heating, and the fact that the structure of the heat affected zone ofthe heated steel rail is tempered sorbite or tempered sorbite and tempered troostite or tempered troostite is taken as the standard. By means of the method, the cladding applicability and cladding efficiency can be improved, and it can be guaranteed that the mechanical performance of the structure of the heat affected zone meets steel rail use after field steel rail cladding.

The invention relates to an integral mounting-dismounting method of a circuit breaker. A mounting-dismounting platform is used, phase-splitting assembling, inflation and high-voltage test are carried out in advance, and the circuit breaker is hoisted and replaced integrally onsite; and the workload of onsite replacement is reduced effectively. Power failure time is shortened from 3 days originally to 1 day, and the load loss is reduced greatly. The platform is movable, and can be used onsite conveniently. Wear-resistant universal wheel are used in the bottom of the mounting-dismounting platform, and it is ensured that the circuit breaker is installed beyond a site, and can be pushed to the working site during use via the platform. Thus, the onsite work time is shortened effectively, the efficiency is improved, time that people may make contact with a live line portion is reduced, the working safety is ensured, and a safety coefficient is improved.

The invention relates to an external pre-stressed anchoring device for a concrete bridge body and a rapid strengthening method. The anchoring device comprises two anchoring pieces with symmetrical structures, wherein the anchoring pieces are arranged at two sides of the concrete bridge body; an anchor cable is arranged between the left anchoring piece and the right anchoring piece; a steering gear is arranged on the anchor cable; each anchoring piece comprises a base plate, connection plate fixedly arranged on the base plate and an ear plate fixedly arranged on the connection plate; a half-round groove is arranged at one end of the connection plate; and a baffle is arranged on a pin hole. The strengthening method provided by the invention comprises the following steps of: anchoring piece processing, bridge body polishing, installing, glue pouring and tensioning. The device and the method which are provided by the invention have the advantages that: the installation process is simple and rapid; the traffic needs not to be interrupted during installation; the construction period of installing the device provided by the invention is short; and the volume of the device is small and the device is flexible to ensure that the requirements for rapid strengthening construction can be satisfied.

The invention discloses a detection method for the anti-filtration capability of vegetation concrete. The method comprises the following specific steps: 1, selecting and drying soil on a bank slope; 2, pouring dry soil test blocks into test sieves, sufficiently jolting the test sieves on a standard jolting sieve shaker, weighing the mass of the soil left on the test sieves of each aperture stage, and calculating the accumulated mass of the soil left on the test sieves, the mass percentages of the soil smaller than the apertures and the total mass percentages of the soil smaller than the apertures; 3, drawing a soil particle size distribution curve chart according to the test data, and calculating a uniformity coefficient and curvature coefficient of soil particles according to the soil particle size distribution curve chart; 4, estimating the anti-filtration capability; 5, performing data analysis. The method is scientific in principle, easy to operate and accurate in test data, site construction links can be reduced, site operation time can be shortened, adaptability to various site construction conditions can be ensured, construction quality and engineering effects can also be improved, and popularization of an ecological concrete bank protection technology is facilitated.

The invention provides a self-grouting-stopping device of an assembly type grouting guiding pipe,and belongs to the technical field of geotechnical engineering and particularly belongs to undergroundconstruction guiding pipe grouting construction. The self-grouting-stopping device of the assembly type grouting guiding pipe comprises a grouting guiding pipe, a sleeving pipe, a sealing ring, a check plug and a grouting connecting pipe, wherein a separating grid is arranged on a slurry inlet of the grouting guiding pipe, outer threads are arranged on the outer wall of the slurry inlet, a ring-shaped sealing plate is arranged at the inlet end of the sleeving pipe, a ring-shaped groove is formed in the inner wall of the outlet end, the ring-shaped groove is provided with inner threads, the sealing ring is arranged between the end surface of the ring-shaped groove and the end surface of the slurry inlet of the grouting guiding pipe, the grouting connecting plate is fixed to the sealing plate, and the check plug is a cone and is arranged in the sleeving pipe and the grouting connecting pipe. According to the self-grouting-stopping device of the assembly type grouting guiding pipe, the grouting guiding pipe, the sleeving pipe, the check plug and the grouting connecting pipe are all prefabricated by a factory and can be quickly assembled and used in an engineering field, a grouting andgrout-stopping device is not required to be machined on the construction site, site operating time is shortened, and potential safety hazards caused by electrical welding or cutting operation are avoided.

The invention relates to a method for determining a circular curve radius of a road and a driving sight distance based on GPS motion camera data. A GPS point coordinate point of a driving track is transformed into a corresponding two-dimensional orthogonal coordinate; according to the geometrical principle, calculation is carried out by using each three coordinate points as one group successively to obtain track line radiuses, wherein the mode of the multiple path radiuses is a circular curve radius of a corresponding lane; and then a road circular curve radius is obtained based on a corresponding position relation. Track lines moving to a road central line are moved left and right in a translation manner at distances being the half of the roadbed width; after the translation, track points fall at edges lines of the pavement; and a sight distance is calculated by using the conventional measuring method. The method has high advancement and exploitativeness. When the method is implemented, normal traffic of the road is not affected, so that the field working time can be shortened, the measuring efficiency can be improved, and the needed manpower and materials can be reduced.

The invention discloses a wallboard provided with a greening planting system and the greening planting system installed on the wallboard. The wallboard provided with the greening planting system comprises a board body, limiting supports and an isolation belt, one end of each limiting support is arranged on an outer surface of the board body, the other end of each limiting support is connected with the isolation belt, and the board body, the limiting supports and the isolation belt form a groove-shaped accommodation part; two adjacent limiting supports constitute the top and the bottom of the accommodation part respectively, the top and the bottom and the isolation belt connected with the top and the bottom constitute an opening of the accommodation part, and the accommodation parts are formed at the outer surface of the board body, and are placed in the length direction of the board body. The wallboard provided with the greening planting system solves the problems that in the prior art, the city greening land is limited, the stereo greening construction is big in difficulty, the cost is high, the landscape effect is not so ideal, plants are short in life, and the maintenance cost is high.

The invention discloses a solenopsis invicta buren bait field evaluation method which comprises the steps of solenopsis invicta buren nest field standardization treatment, bait/bait agent placement, data collection, data statistics and evaluation. The method has the advantages that the operation is convenient and fast; the field operation time and the experiment errors are effectively reduced; thescientific evaluation on the attracting effect and the palatability of baits/bait agents on the solenopsis invicta buren is facilitated; and a standardized field operation method is provided for thefield statistics of the solenopsis invicta buren and the evaluation on the bait/bait agent attracting effect.

The invention relates to a tubular pile quick connector and a method. The tubular pile quick connector comprises the following components: a socket pile tongue, reset springs, a locking pin, and check rings; the socket pile tongue is of a cylindrical structure and comprises a socket pile tongue body and an annular protrusion arranged on the peripheral wall of the socket pile tongue body; a plurality of blind holes are uniformly formed in the peripheral walls of the upper end and the lower end of the socket pile tongue body; the blind hole does not penetrate through the inner cylinder wall of the socket pile tongue; the first ends of the reset springs are fixed on the inner walls of the blind holes; the locking pin comprises a locking pin body and a wedge-shaped protrusion arranged on the locking pin body; the locking pin body is fixedly connected with the second end of the reset spring; the wedge-shaped protrusion is a free end; the locking pin body freely slides in the blind holes; a limiting hole matched with the wedge-shaped protrusion is formed in the tubular pile; and the check rings are arranged in the blind holes. According to the connector, the connecting part of tubular pipe pile can be placed in a workshop for production, the field operation time can be shortened, and the field operation efficiency can be improved.

The invention discloses a narrow coal pillar gob-side entry end self-expansion reinforced anchoring type anchor rod structure and a method. The narrow coal pillar gob-side entry end self-expansion reinforced anchoring type anchor rod structure and the method are suitable for being used in deep well gob-side entry narrow coal pillars. The narrow coal pillar gob-side entry end self-expansion reinforced anchoring type anchor rod structure comprises a hollow anchor rod, a metal tray, a nut, a stop-grouting plug, a metal porous expansion lock body, a carbon fiber expansible rubber bag, bag passive protection wings, a grouting pipe and a one-way valve body set; during use, the low-pressure grouting is conducted through an expansion end, the carbon fiber expandable rubber bag expands, the bag passive protection wings are unfolded, after slurry in the bag is solidified, the expansion anchoring end is formed, and the anchoring strength of the anchor rod is improved; and the hollow anchor rod is subjected to drilling and high-pressure grouting, so that the mechanical property of the crushed coal and rock mass in the narrow coal pillar is improved, the anchoring length of the narrow coal pillar is increased, the anchor rod supporting effect is improved, stable control of the deep well narrow coal pillar gob-side entry surrounding rock is achieved, and the narrow coal pillar gob-side entry end self-expansion reinforced anchoring type anchor rod structure has the advantages of being economical, reliable, simple in structure and convenient and fast to install.

The invention provides a connecting joint of assembly type concrete prefabricated wallboards and an installation method of the connecting joint. The connecting joint comprises a plurality of grooves which are formed in the periphery of the prefabricated wallboards, connecting plates and connecting bolts, the connecting plates and connecting bolts are embedded in the grooves, the grooves are symmetrically formed in the two faces of the prefabricated wallboards in the thickness direction, a plurality of through connecting holes are formed in the grooves, through holes corresponding to the positions of the connecting holes in the grooves are formed in the connecting plates, the connecting bolts penetrate through the two connecting plates in the two grooves symmetrically formed in the two faces of the prefabricated wallboards in the thickness direction and the connecting holes in the grooves, the two ends of the connecting bolts are fastened by utilizing nuts, and the connecting joints between the two prefabricated wallboards are connected and fastened by screwing the nuts. According to the connecting joint of the assembly type concrete prefabricated wallboards and the installation method of the connecting joint, through the provided connection mode between the prefabricated concrete wallboards, on-site complete dry method operation can be achieved, the installation efficiency of the prefabricated concrete wallboards is greatly improved, the on-site operation time is shortened, and the standardization degree is high.

The invention discloses a field natural water sample collection system and method, belongs to the technical field of water quality analysis and testing, and solves the problems that sampling cannot beinterrupted at any time, the replacement speed of a filter membrane is low and the working efficiency is low during existing field water sample collection. The field natural water sample collection system comprises a water containing funnel, a filtering device and a sample collecting bottle, wherein the water containing funnel is used for containing an original field natural water sample, the filtering device is used for filtering impurities in the original natural water sample, and the sample collecting bottle is used for storing the natural water sample filtered by the filtering device; thewater containing funnel, the filtering device and the sample collecting bottle are sequentially connected along the flowing direction of a natural water sample; and the filtering device is detachablyprovided with a filtering assembly. According to the invention, the sampling can be interrupted at any time according to needs, the filter membrane can be rapidly replaced, and the collection efficiency of field natural water samples is greatly improved.