31 results about "Joint spacing" patented technology

The invention relates to a radial horizontal drilling and well completion tool with super-short radius and the process, belonging to the oil exploitation industry. It adopts deflecting drilling tool and horizontal drilling tool to drill well. The deflecting drilling tool comprises guide pipe, locating drilling bit and soft drilling bar. The horizontal drilling tool comprises horizontal rotary assembly, soft drilling bar, guide pipe, bushing with concave reversing thread and convex collar. It is characterized in that on the sleeve of deflecting rotary assembly triangle padding iron is set and the tail of deflecting rotary assembly is connected with the soft drilling bar by nut; quick coupling matched with the horizontal rotary assembly is set on the soft drilling bar; bushing with concave reversing thread and convex collar are set at the tail pipe; each segment of soft bar is 140-150mm; outer spline is set at the front end of inner ball; inner spline is set on the body and is fixed by nut; the ball is set in ball bowl and body; each segment of soft bar can bend in 3-6: ; joint spacing of slotting steel pipe following the guide pipe is 100-110mm and the joint width is 3.5-4.0mm. the invention is provided with ultra-short radius of horizontal drilling well, high accuracy, short drilling period and high efficiency. It can be used in oil exploitation, gas and running water industries.

A method for creating space in a joint, the method comprising:applying force to a body part so as to distract the joint and create an intrajoint space;inserting an expandable member into the intrajoint space while the expandable member is in a contracted condition;expanding the expandable member within the intrajoint space; andreducing the force applied to the body part so that the joint is supported on the expandable member.

The invention relates to a device (1) used as a laying aid for tiling work, comprising a base element (7, 8) having a support region (12) for laying flat on a surface to be covered with tiles (16), and a tile-supporting region (2) on which tiles (16) are placed. The tile-supporting region (2) has at least two web-like spacer elements (9) which extend perpendicularly with respect to a plane defined by the tile-supporting region (2) and which are arranged at an angle of an integer multiple of 90° relative to one another in said plane, and which have a thickness (10) corresponding to a desired joint spacing. To avoid the disadvantages of the known laying aids and to achieve uniform joint spacing and an even surface, whereby the laying aid is intended to be especially easy to handle, the base element (7, 8) is designed as a disk-like element having a base area that is smaller than a base area of the tiles (16) to be laid.

A method for creating space in a joint, the method comprising:applying force to a body part so as to distract the joint and create an intrajoint space;inserting an expandable member into the intrajoint space while the expandable member is in a contracted condition;expanding the expandable member within the intrajoint space; andreducing the force applied to the body part so that the joint is supported on the expandable member.

The invention discloses a plowing and sowing combined machine capable of adjusting row spacing. Multiple discharge holes are formed in the bottom of a seed storage cylinder, according to the row spacing requirements of plowing and sowing, the positions, on an installation shaft below the seed storage cylinder, of plowing mechanisms are adjusted, sowing mechanisms are installed on the corresponding discharge holes, in the walking process of the combined machine, the plowing mechanisms plow land, and meanwhile the sowing mechanisms sow seeds in the seed storage cylinder in plowed grooves; the sowing mechanisms are driven by the installation shaft of the plowing mechanisms to conduct intermittent sowing, and sowing in the grooves according to preset spacing at intervals is achieved. According to the plowing and sowing combined machine capable of adjusting the row spacing, the structure is compact, the design is reasonable, the spacing between the plowing mechanisms can be adjusted according to the plowing requirement, the sowing mechanisms are driven by the installation shaft to conduct intermittent sowing, multiple-groove plowing can be conducted on the land, and meanwhile sowing is conducted at intervals according to the preset spacing in the grooves; therefore, the sowing efficiency is greatly improved.

The invention discloses a welding assembly structure of a top cover and a side wall, comprising six parts: a top cover, a luggage installation bracket, a side wall outer panel, an upper reinforcement plate on a front column, an edge beam on an inner panel of a center column, and an upper inner panel on a front column , the top cover is provided with a sunroof reinforcement ring, and the edge of the reinforcement ring is provided with a welding block, the welding block is located between the connection part of the top cover and the connection part of the side wall outer panel, and the connection part of the inner panel on the front pillar is provided with The first plug welding hole, the reinforcement plate on the front column is provided with a welding block installation groove corresponding to the welding block, and the second plug welding hole is provided on the installation groove, and the reinforcement plate on the front column is provided with a third plug welding hole corresponding to the first plug welding hole The connection part of the side beam on the inner panel of the center column corresponds to the second plug welding hole and has a gap. The welding assembly structure of the top cover and the side wall of the present invention solves the problems of weak solder joints, prone to false welds, excessively large solder joint spacing, difficult welding operations, and inconvenient grinding when spot welding is used, and effectively improves performance and modality of the body-in-white.

A textured surface is formed on at least one of a fuel cell mounting plate or fuel cell subassembly to define a joint spacing between these two components. In a preferred embodiment, the textured surface comprises a plurality of dimples coined or otherwise formed in the metal mounting plate. The joint spacing improves the manufacturing and assembly process of the fuel cell cassettes through precise application and control of the brazing process which improves the braze joint strength while reducing material cost.

A method for rapid measurement and analysis of rock mass structure characteristics in underground engineering, comprising the following steps: Step 1, determine the survey area according to the survey purpose, and divide the area into several sub-areas with large-scale geological structures such as faults as boundaries; Step 2, in the survey Divide several measuring points in the area, and the measuring points are arranged at intervals in the survey area; step 3, according to the occurrence characteristics of the joints within the range of the measuring points, divide the dominant joint group, and according to the trend occurrence characteristics of each dominant joint group, use The central point of the measuring point is the center of the joint measurement window; step 4, based on the joint measurement window, the measurement and analysis of the tendency, inclination, average joint spacing and average trace length of the joint are carried out; the present invention overcomes the traditional joint investigation method. The measurement and statistics of the full sample of information have the disadvantages of large on-site workload, many on-site measurement indicators, and lagging statistical analysis work, etc., which can realize rapid and accurate measurement and analysis of rock mass structural surfaces in underground spaces.

The invention relates to a front end temperature control valve group of a fan coil of a central air conditioner. The temperature control valve group of the fan coil comprises a tee side-entering areavalve, and a middle cavity communicates with an end opening of the lower side of the tee side-entering area valve; the middle cavity is internally provided with a bottom-passing top-stopping pressuredifferential valve core part, and the middle cavity communicates with the end opening of the upper side of a tee side-entering ball valve; a lower water inlet of the left end of the tee side-enteringball valve communicates with the middle cavity all the time; and an upper water outlet of the left end of the tee side-entering area valve communicates with the middle cavity all the time, and openingand closing of the upper water outlet and the upper water inlet are realized through an area valve core. According to the front end temperature control valve group of the fan coil of the central airconditioner, a pressure difference circulating reflux pipeline is achieved at the front end of the fan coil, and pressure balance of the pipeline is protected; in addition, an extending pipe part andthe tee side-entering ball valve adopt the split structure, and the telescopic distance adjusting function of the front end temperature control valve group meets the connecting problem of different fan coil joint spacings; and the connecting mode is changed, so that the whole assembly makes construction quick, convenient, safe and reliable, and the front end temperature control valve group has very good market promotion value.

The invention discloses a method for determining the volume and joint number of jointed rock mass based on drilling camera technology, which is applied to the technical field of rock mass integrity assessment and includes the following steps: S1. Selecting a surface area per unit area on the surface of the rock mass to be tested ; S2, measure the rock mass surface joint number Js of the surface area of ​​the unit area, the joint spacing H and the inclination angle θ of the joint and the horizontal roadway; S3, drill holes on the surface area of ​​the unit area, and measure the number of joints inside the rock mass Jc; S4. Comparing the joint spacing H measured in step S2 with the sine and cosine values ​​of the joint inclination angle θ to determine the volumetric joint number Jv of the rock mass. The present invention comprehensively considers the internal joint Jc and the surface joint Js to calculate the volume joint Jv, the consideration factors are more comprehensive, and the calculation is more accurate and fast.

The present invention provides a process for manufacturing a laminated insulating joint spacing piece by integrally moulding epoxy glass fibers, which relates to improvement of the process for manufacturing epoxy glass fiber laminated cloth, and comprises the following steps: 1) manufacturing a mould; 2) cutting fibers of each layer; 3) coating a mold release agent; 4) laying each fiber layer in the mould; 5) mixing epoxy resin and a curing agent, and degassing; 6) injecting glue; and 7) pressure forming and curing. The process has the advantages that the dimension of a gasket can be ensured by the dimension of the mould without lapping because of the adoption of mould forming, the micro air gap of the final product is reduced because of the adoption of a degassing process, and the requirements on electric insulation, mechanical strength, surface form and position tolerance and leak resistance are satisfied.

The present invention provides a method and device for generating a staggered-joint superimposed wall model. The method includes: determining the number of splits corresponding to the original superimposed wall based on the maximum end wall length, the minimum end wall length, and the total wall length; Determine the end wall length of the end staggered wall, the blade length of the end staggered wall, and the blade length of the middle staggered wall based on the number of splits, the distance between the staggered joints, the total wall length, and the width of the staggered joints; The end wall length of the end staggered wall, the blade length of the end staggered wall, the blade length of the middle staggered wall, and the staggered width, split the original composite wall into multiple staggered walls, and Create a staggered wall model. The invention can automatically and quickly split the original superimposed wall into multiple staggered walls to generate a model of the staggered superimposed wall, which can not only greatly improve the design efficiency of the staggered superimposed wall model, but also avoid manual Adjust the error caused by generating the superimposed wall model.

The invention discloses interval type interplanting seeding combination equipment which is provided with two feed cylinders. Each feed cylinder is provided with a corresponding seeding mechanism. A plurality of plowing mechanisms are installed on a drive shaft. Each plowing mechanism comprises a first walking wheel corresponding to the first feed cylinder, a second walking wheel corresponding to the second feed cylinder, a first cam corresponding to the first seeding mechanism, and a second cam corresponding to the second seeding mechanism. In the walking process of the seeding mechanisms, while the plowing mechanisms plow a land, the first seeding mechanisms seed seeds in the first feed cylinder into grooves plowed by the first walking wheels, the second seeding mechanisms seed seeds in the second feed cylinder into grooves plowed by the second walking wheels, intermittent interval plowing and seeding are carried out, two plants are interplanted synchronously, seeding efficiency is greatly improved, and power consumption is reduced.