35 results about "Trenchless technology" patented technology

The invention discloses a trenchless built-in sleeve pipeline repairing method and equipment. The method includes utilizing two adjacent inspection shafts as operation space under the condition that the road surface is not excavated, adopting a pipeline to be repaired as a carrier, conveying short pipes into the pipeline to be repaired, dragging the short pipes to advance via a traction device, gradually completing hitting combination and connection between a latter short pipe and a former short pipe in an advancing process, realizing assembly of the short pipes in the pipeline to be repaired and finally forming a new pipeline; and then filling a gap between the new pipeline and the pipeline to be repaired in a grouting manner, leading the sleeved-in new pipeline to be stabilized and to be closely combined with the pipeline to be repaired to realize common pressure resistance strength, and accordingly realizing repair to the pipeline to be repaired. The equipment comprises a mechanical traction system and a hydraulic power system. The trenchless built-in sleeve pipeline repairing method and the equipment completely realize the trenchless technology, and have the advantages that continuousness is realized when the pipeline to be repaired crosses a road, construction time is short, engineering comprehensive manufacturing cost is low, influence to traffic is quite low, and the like.

The invention relates to a method for monitoring the settlement by using an inclinometer tube. The inclinometer tube is embedded under the earth surface with an existing building (structure) by passing through the earth surface under the building and adopting a trenchless technology, and a monitoring point is arranged for monitoring the settlement. During the monitoring process, dynamic observation is conducted at the monitoring point according to the monitoring scheme so as to obtain the settlement information after the inclinometer tube is embedded and a media system around the inclinometer tube reaches a stable state. The method effectively monitors the settlement of deep soil body under the building (structure) in construction along the vertical direction, and lays a solid foundation for design, scheduling and avoidance measures of construction.

The invention relates to a high-speed rock-breaking drill tool used in the technical fields of oil and gas well drilling, tunneling, geological drilling and non-excavation. The high-speed rock-breaking drill tool increases the well drilling speed, so that the bit wear is slowed down, the bit life is prolonged, and the quality of a well bore is improved. The technical scheme is as follows: a valve element is located in a valve body, a spring is fixed on the valve element, a valve sleeve is fixed on the valve body through a snap ring, the valve body is connected with stators, the ratio of motor rotors to the stators is 3:4, an inclined hole is formed in the side surface of the motor rotor, the motor rotor is in threaded connection with a universal shaft, a bearing is installed on a transmission shaft, the transmission shaft is connected with an outer cylinder through the snap ring, a TC bearing ring is in interference fit with an enclosure, a fluidic element is connected with the transmission shaft, the transmission shaft adopts two channels, a punch hammer is connected with a piston, a hammering block is installed in an all-direction sleeve, the punch hammer is axially located with the all-direction sleeve according to the axis of the piston, and the all-direction sleeve is connected with the outer cylinder. The drill tool can rotatably break through a rock at a high speed, the quality of the well bore is improved, the bit life is prolonged, the drilling times are reduced, and the cost is greatly lowered.

The present invention relates to the field of plastic pipeline processing, particularly to a high density polyethylene and PET alloy pipe and a preparation method thereof, wherein the components of the alloy pipe comprise, by weight, 100 parts of PE100, 20-50 parts of PET, 5-8 parts of a compatibilizer, 10-25 parts of a reinforcing agent, 0.2-1.0 part of a processing aid, and 0.8-1.5 parts of a concentrated color master batch. The invention further discloses the preparation method, which comprises: carrying out compatibilization blending modification on PET and high density polyethylene, weighing raw materials according to the scientific component formula, and performing a kneading process, extrusion forming and other processes to obtain the high density polyethylene and PET alloy pipe so as to increase strength, modulus, surface hardness, heat resistance, wear resistance and fatigue resistance strength of the pipeline product, such that the pipeline product is more suitable for the fields of trenchless technology and the like so as to broaden the use occasion of the pipeline product and reduce and eliminate occurrence of quality accidents.

The invention relates to a resistance-enhancing component on the periphery of a barrel body of a self-drive excavating machine, belonging to the trenchless construction field of laying underground pipelines. Annular grooves with identical structures are respectively processed on the periphery of each section of barrel body of the excavating machine, and resistance-enhancing rings with identical structures are distributed in each annular groove. Each resistance-enhancing ring is formed by lapping the resistance-enhancing components along the periphery of the barrel body, and the resistance-enhancing component comprises a bottom plate, a lap plate fixed on the side face of the bottom plate and a resistance-enhancing block fixed on the surface of the bottom plate; and a shaft is fixed at one end of the bottom plate, a hanging hook is fixed in the annular groove on the external wall of the barrel body, the shaft of the resistance-enhancing component is arranged in the hanging hook and can rotate therein, the resistance-enhancing components of each ring of resistance-enhancing device are lapped with one another by the bottom plates and the lap plates, and a supporting device is arranged between the resistance-enhancing ring and the barrel body. The resistance-enhancing component not only can endue the self-drive excavating machine with the function of long-distance self-drive excavation in the earth but also can be matched with the self-drive excavating machine to realize the highly demanded function of curve turning which can not be found in the existing trenchless technology.

The invention discloses a method and a device for trenchless reinforcement of an existing railway roadbed. The method and the device for selective reinforcement in a roadbed without influence on driving are designed by combination of a trenchless technology and a high-pressure jet grouting method. Through the trenchless drilling technology, holes are drilled in the existing railway roadbed, and along drilling tracks, high-pressure jet grouting reinforcement on the roadbed is carried out. Through creative development of a drilling track automatic-control system, a clear and convenient man-machine conversation operating platform is realized and is used for real-time monitoring and correction of the drilling tracks. Through reconstruction of the existing high pressure rotary jet grouting device, a bending rotary jet grouting drill pipe technology is realized. Through combination of a trenchless hole-forming mode and a device structure, cooperation of a hole-forming device and the rotary jet grouting device is realized. The method and the device realize timely and accurate reinforcement for improving defects in the roadbed, guarantee traffic safety and have an important technological value and a practical meaning for railway reinforcement.

The invention discloses a transverse partition method for reducing ground surface settlement and building structure deformation of underground structure construction. In a foundation pit or a pilot tunnel, a transverse reinforcing structure layer which has controllable vertical bearing capacity and is located between an existing building foundation and a planned underground structure is formed through a non-excavation technology method. When the reinforcing structure layer is close to the bottom of the existing structure foundation, the reinforcing structure layer servers as a raft foundation or a strip foundation of the existing structure, and the capacity of the existing structure for resisting deformation is enhanced. When the reinforcing structure layer is close to the top of the planned underground structure, the reinforcing structure layer serves as a transverse bearing system of the planned underground structure, and influences of stratum deformation caused by the planned underground structure on the existing building foundation are isolated. The transverse partition method can effectively reduce the problems of ground surface settlement in the underground structure construction and deformation of adjacent buildings, and has the advantages of being good in construction flexibility, wide in application range and controllable in reinforcement effect.

The invention relates to an on-line automatic release device for a trenchless drilling tool, which comprises a screw plug, a first connecting piece, a one-way valve, a sleeve, an end cover, a connecting plate, a second connecting piece, a cylindrical pin, an elastic element, a supporting seat and an unloading unit, wherein, the second connecting piece is sleeved on the outer circle of the first connecting piece, and the sleeve is sleeved on the outer circle of the second connecting piece; the first connecting piece, the second connecting piece and the sleeve are respectively provided with at least one coaxial mounting hole along the radial direction, and the two connecting piece mounting holes are connected by a cylindrical pin; the supporting seat is arranged on the sleeve, and the elastic element is arranged between the cylindrical pin and the supporting seat; the first connecting piece is provided with a liquid channel in the axial direction, the one-way valve is arranged on the first connecting piece, the working fluid with a certain pressure is injected into the liquid channel through the injection port of the one-way valve to act on the end face of the cylindrical pin, and the compression elastic element enables the cylindrical pin to be positioned between the first connecting piece and the second connecting piece; an unloading unit is arranged on the end face of the first connecting piece to control the opening and closing of the liquid channel; The on-line automatic release device can reduce the cost of the trenchless technology.

The invention belongs to the technical field of non-excavation, and relates to a method for fast designing a non-excavation horizontal directional drilling machine. According to the technical scheme, the method is characterized by comprising the steps that (1) the horizontal directional drilling machine is divided into function modules according to a product family design concept, and a product family dividing matrix of key components of the drilling machine is built; (2) Pro/E software is used for parametric modeling, an initial drilling machine model of eight or more schemes is built, a drive parameter database is built, secondary development is carried out on the Pro/E software, and a man-machine exchange fast design interface is built; (3) client needs are transformed into all function module requirements, structural scheme requirements and other performance parameters, and production process requirements, part characteristics and other design technical parameters are calculated through an empirical formula; (4) case matching is carried out according to the design parameter requirements, the corresponding drilling machine model is generated fast, and the drilling machine three-dimensional model can be optimized fast by modifying the design technical parameters. The method can achieve the aim of facing the client needs and fast designing the non-excavation horizontal directional drilling machine.

The disclosure relates to embodiments of a thixotropic, non-cementitious, thermal grout and applications or methods of use of the grout related to horizontal directional drilling, trenchless technology, trenching, and installation of pipe, conduits, ducts, utility lines, and other product lines which may, e.g., be in trenches, underground, or under obstacles, such as a body of water or roadways.

The invention relates to a sandblasting tool, in particular to a sandblaster with the improved working efficiency. The sandblaster is used for filling a top pipe and heating pipes with fixtures when heat network pipes are laid with the non-excavation technology, and is mainly formed by an air inlet pipe, a sand storage pipe and a sand outlet pipe, wherein the air inlet pipe, the sand storage pipe and the sand outlet pipe are sequentially connected through flanges. A sand inlet hopper communicated with the sand storage pipe is perpendicularly and fixedly connected with the upper portion of the sand storage pipe, landing legs are fixedly connected to the lower portion of the sand storage pipe, the sand outlet pipe is connected with a sand outlet rubber pipe, the sand outlet rubber pipe is arranged on a pipe winding disc driven by a pipe winding motor in a wound mode, and a feeding transferring mechanism driven by a feeding motor is connected to the sand inlet hopper. Due to the design that the sand outlet pipe is connected with the sand outlet rubber pipe, and the sand outlet rubber pipe is arranged on the pipe winding disc driven by the pipe winding motor in the wound mode, the pipe winding disc is driven by the pipe winding motor to carry out automatic pipe winding, working efficiency is improved, the speed is constant and adjustable, and product quality is improved; in addition, feeding is carried out on the sand inlet hopper through the feeding transferring mechanism driven by the feeding motor, labor intensity is reduced, and working efficiency is improved.

The invention relates to a sand blasting tool, in particular to a sandblaster with a pipe automatically wound. The sandblaster with the pipe automatically wound is applied to pipe jacking and heating pipeline filling fixtures in heat pipelines laid based on the non-excavation technology, and is mainly composed of an air inlet pipe, a sand storage pipe and a sand outlet pipe, the air inlet pipe, the sand storage pipe and the sand outlet pipe are connected in sequence through flanges, the upper portion of the sand storage pipe is vertically and fixedly connected with a sand inlet hopper communicated with the sand storage pipe, the lower portion of the sand storage pipe is fixedly connected with supporting legs, the sand outlet pipe is connected with a sand outlet rubber pipe, and the sand outlet rubber pipe is wound on a pipe winding reel driven by a motor. Due to the fact that the sand outlet pipe is designed to be connected with the sand outlet rubber pipe, the sand outlet rubber pipe is wound on the pipe winding reel driven by the motor, the pipe winding reel is driven by the motor to automatically wind the pipe, work efficiency is improved, the speed is constant and can be regulated, and product quality is improved.

The invention relates to the technical field of repair of conveying pipelines, in particular to a spirally wound profile and a spirally wound pipe. The profile comprises a spiral profile body, clamping parts and clamping matching parts; the clamping parts are arranged on the first side surface of the profile body in the radial direction; the clamping matching parts are arranged on the second side surface of the profile body in the radial direction; the clamping parts and the clamping matching parts extend in the spiral direction of the profile body; and the profile body comprises a plurality of integrally molded spiral profile coils. When a pipeline is repaired with the non-excavation technology, under the acting force of winding equipment, the adjacent spiral profile coils are fixed through the clamping parts and the clamping matching parts, the pipe is formed in situ through winding inside the pipeline, and then the whole to-be-repaired pipeline is repaired. Besides, in the non-excavation pipeline repair process, the profile is simple and convenient to construct, complex construction equipment is not required, and the application prospect is broad.

The invention relates to the technical field of gas detection, in particular to a toxic gas in-situ detection device for drainage pipeline detection equipment, wherein a waterproof cover supported by a strut is arranged on the top side of a box body of the pipeline detection equipment; a combustible gas sensor socket and a hydrogen sulfide sensor socket are arranged on the top side of the box body of the pipeline detection equipment and in the covering scope of the waterproof cover; the signals of a combustible gas sensor and a hydrogen sulfide sensor are output by two independent circuits and are controlled and displayed by control and display software; and the device can go deep into a drainage pipeline together with the pipeline detection equipment and can be used for in-situ detectingthe concentrations of the combustible gas and the hydrogen sulfide in the pipeline, thereby supplying a reference to pipeline entrance of workers, a part of non-excavation technical constructions, the deduction for waterpower condition and biochemical reaction in pipelines, and the like.

The invention discloses an operating platform for the trenchless inversion liner of a buried pipeline. The operating platform comprises a platform rack body with a frame structure and a portal hoisting rack extending upward along the middle of the platform rack body, wherein the hoisting rack is provided with a hoisting device controlled by a power source; and a liner introducing tube is arranged lengthwise under the hoisting rack and connected with the platform rack body through a lifting device. The invention has the advantages of compact and simple structure and perfect function; the hoisting and lifting devices are used to ensure that the liner material can be hoisted and turned over without the fit of a crane; a distribution pipe is used to adjust the quantity of water on the platform; traveling wheels are used without no crane or trailer for during moving or mobile drilling; a communication device is used to ensure that the underground operator and the ground operator can talk smoothly; and the compact structure ensures that the floor area of the device is only about 4m<2>, the mouth of a well is not needed to be trenched when the liner is turned over, and the integrity of the trenchless technology for repairing the buried pipeline can be ensured.