47results about How to "Reduce the workload of disassembly and assembly" patented technology

The invention provides an aviation sliding oil pump comprehensive testbed. The aviation sliding oil pump comprehensive testbed comprises a metering oil tank, a main oil tank and a tested sliding oil pump, and is characterized in that the tested sliding oil pump is connected with the lower end of the main oil tank and the lower end of the metering oil tank through four oil supply pipelines, and thetested sliding oil pump is connected with the top of the main oil tank through two oil return pipelines; a circulating oil way and an air pressure adjusting loop are arranged between the metering oiltank and the main oil tank respectively; and the tested sliding oil pump is connected with a driving motor through a gearbox. According to the aviation sliding oil pump comprehensive testbed, the requirements of the sliding oil pumps with different specifications and multiple test items can be met; and each test item of the tested sliding oil pump can be completed by one-time installation, and the disassembly and assembly workload is reduced.

The invention provides an upper smoke hood hoisting method based on a BIM technology. The method comprises the following steps that (1) all span steel structures and devices are subjected to 1:1 three-dimensional modeling through BIM software according to drawing sizes of all the span steel structures and the devices; (2) three-dimensional models are assembled, specifically, the three-dimensional models of all the span steel structures and the devices are effectively assembled according to the field and process assembling drawing requirements, and the effect that the assembled models of the span steel structures and the devices are consistent with field assembled bodies is ensured; (3) the sizes of the assembled models are rechecked; (4) hoisting is simulated; (5) a hoisting channel is detected; and (6) a hoisting scheme is determined, specifically, after the situation that the hoisting channel is unblocked is ensured, the whole-process hoisting scheme is generated through a computer and saved to a video format file. Through the method, unnecessary device and steel structure dismounting workload can be reduced, the device down time is reduced, the safety coefficient of the hoisting process and field construction efficiency are improved, and influences of upper smoke hood hoisting to other converter production time are reduced.

The invention relates to an integral push-wire-type electric arc spraying equipment used for thermal spraying, which can be seen in an attached figure of the abstract. The equipment adopt an inverter-type spraying power supply, has the technical scheme of combining and closing the spraying power supply, a wire feed device and a wire reel bracket (including a wire reel) into a whole body, and is matched with a home-made electric arc spray gun. The integral push-wire-type electric arc spraying equipment solve the problems of heavy weight, large volume, dispersed devices, more externally connected cables and the like of the push-wire-type electric arc spraying equipment. The equipment have the function of stepless regulation for output voltage within the range of 10-50V, and can freely adjust the parameters without stopping a machine in the spraying process; the equipment is provided with a manual/automatic spraying and wire detection/spraying switch, thus being convenient for the selection of operation way and preventing electric arc from hurting people and damaging equipment when in the process of installing, adjusting and checking spraying wires; and due to the full-closed structure, the blockage phenomenon of a wire guide pipe is avoided. The equipment has the characteristics of small volume, light weight, convenient carrying, safe and reliable equipment performance, convenient use, simple operation, stable spraying quality and the like.

The invention discloses a beam-column type support and a method for constructing multi-section adjacent bridges using same. Upright posts of the beam-column type support are transversely and vertically connected into a whole in a fixed way and propped against a basic part which transversely runs through the pouring position of each bridge section by a support backout device. When pouring the multi-section adjacent bridges, the support, as a whole, can be moved transversely to the pouring position of each bridge section along the basic part; after the bridge sections in the same transverse rows are poured, the support, as a whole, can be moved to an access road which is on the side of the bridge and extends along the laying direction of the bridge; after being vertically moved to the position corresponding to the next pouring position of the bridge along the access road by a flat wagon, the support is transversely moved to the basic part which is on the bottom of each bridge section of the pouring position of the section, extends transversely and runs through the pouring position of each bridge; by transversely moving the support along the basic part, each bridge section of the pouring position of the section can be poured. In the method, the support can be moved transversely and vertically as a whole without dismounting, thus shortening the pouring construction period of the bridge and improving the construction efficiency.

The invention provides a maintenance method and device for a slewing bearing part of a gantry crane. The maintenance device comprises jacking supports (5) fixed to a cylinder (2) and jacks (4) arranged between the jacking supports (5) and a rotary table (1). In the maintenance process, a connecting bolt between a slewing bearing (3) and the cylinder (2) is detached. The jacks (4) are operated to jack the rotary table (1) upwards, and then the portion above the slewing bearing (3) of the gantry crane is jacked upwards. When the slewing bearing (3) is separated from the slewing bearing face of the cylinder (2) at a certain gap, the connecting bolt between the slewing bearing (3) and the rotary table (1) is detached. The damaged slewing bearing (3) is pulled out from the jacked space gap. A complete slewing bearing is fed to an original installation position. The slewing bearing is connected to the lower portion of the rotary table (1) through a bolt. The jacks (4) are adjusted, the slewing bearing (3) falls to make contact with the slewing bearing face of the cylinder (2), connecting fastening is conducted through a bolt, and maintenance work is finished.

The invention discloses a drilling machine structure for geothermal well drilling. The drilling machine structure comprises a base, a container, a derrick, a power transmission system and a noise reduction device, wherein the container comprises a front container body and a rear container body; the derrick is an upright sleeved self-elevating derrick; the power transmission system comprises a main motor, a transfer case, a first power output shaft, a second power output shaft, a roller and a rotary plate; the noise reduction device comprises an acoustic shield and a damping base, so that an accommodating space used for accommodating the main motor and the transfer case is formed; the main motor and the transfer case are sequentially mounted on the damping base in the direction close to the derrick; a sledding base is mounted at the top of the rear container body; and the noise reduction device and the roller are both mounted on the sledding base. The modularized design is adopted, and the drilling machine structure has the beneficial effects of being small in occupied area and noise pollution, high in transfer efficiency, low in operation cost, and suitable for geothermal well drilling operation in residential communities.

The invention is an engine arm synchronous rotation structure and an industrial unmanned aerial vehicle with the engine arm synchronous rotation structure, relates to the technical field of industrialunmanned aerial vehicles, and solves the technical problem that the disassembly of the unmanned aerial vehicle wastes operation time. The engine arm synchronous rotation structure comprises a frame body structure, auxiliary transmission mechanisms, a main transmission mechanism, engine arm bodies, and a locking mechanism; the main transmission mechanism is arranged in the middle of the frame bodystructure and is used for simultaneously controlling all the auxiliary transmission mechanisms to rotate in a driving manner; one ends of the engine arm bodies are used for connecting rotor wings, and the other ends are fixedly connected with a group of auxiliary transmission mechanisms; the frame body structure and the engine arm bodies have a folding state and an unfolding state, and the locking mechanism is used for keeping the frame body structure and the engine arm bodies in the folding state or the unfolding state. The engine arm synchronous rotation structure and the industrial unmanned aerial vehicle with the engine arm synchronous rotation structure have the advantages that the operation is fast, no complicated disassembly steps are needed, the operation time is saved, and convenient accommodation and storage are realized.

The invention discloses a height-adjustable auxiliary supporting device with a load sensor. The auxiliary supporting device comprises a base (1), a plurality of adjusting upright posts (6) and a supporting platform (9), and a support assembly (2), the load sensor (3), the adjusting upright posts (6) and a hand-cranking straddle top (4) are arranged between the supporting platform (9) and the base(1), so that flexible height adjustment and horizontal information monitoring of the auxiliary supporting device is realized. The height-adjustable auxiliary supporting device aims to overcome the defects that in the prior art, a hydraulic drive type auxiliary supporting device is complex in structure, tedious in installation, long in disassembly and assembly time and high in machining and assembly precision, and solve the technical problems that an existing thread adjusting type auxiliary supporting device is limited in bearing capacity, complex to disassemble and assemble, strenuous in adjustment and high in precision.

The invention discloses an internal connecting type double-connection structure of a curtain wall keel. The structure comprises a vertical keel and a transverse keel connected to one side of the vertical keel through a connecting assembly, and the transverse keel is provided with a transverse internal expanding groove; and the connecting assembly comprises a connecting member which is located in the transverse internal expanding groove and can move along the transverse internal expanding groove, the connecting member is provided with an inserting and connecting part which is inserted into the vertical keel and only matched with the vertical keel in a sliding mode, and the transverse keel is connected with the connecting member through a first fastening assembly. The internal connecting type double-connection structure of the curtain wall keel has the advantages of being easy to assemble and disassemble, high in connection strength, high in stability and reliability, low in cost, beneficial to enhancing conciseness and exquisiteness of the appearance of the curtain wall and the like.

The invention discloses a landscape lamp convenient to disassemble, assemble and maintain. The lamp comprises a lamp pole, lamp beads arranged on the lamp pole, a shell arranged outside the lamp pole in a sleeving mode, a lamp holder arranged at the bottom of the shell and the bottom of the lamp pole and a fixing base arranged at the bottom of the lamp holder, and the lamp holder is fixedly connected with the lamp pole. A driving mechanism is arranged in the lamp holder, a lifting mechanism capable of driving the shell to move up and down relative to the lamp post is arranged at the top of the lamp holder, and the driving mechanism can drive the lifting mechanism. According to the landscape lamp, the lifting mechanism drives the shell to move up and down relative to the lamp post, maintenance personnel can disassemble, assemble and maintain the landscape lamp conveniently, the disassembling and assembling workload of the maintenance personnel is greatly reduced, the mode is not affected by the body size of the landscape lamp, the operation is easy and convenient, and the landscape lamp is worthy of further application and popularization.

The invention relates to the field of rolling mill guide, in particular to an adjustable guide. The adjustable guide comprises two guide bodies which are vertically arranged and two guard plates which are correspondingly arranged up and down, wherein the two guide bodies are positioned on the left and right sides of the two guard plates; a connecting shaft group which is horizontally arranged and perpendicular to the guide bodies is connected between the two guide bodies, and consists of two connecting shafts which are arranged in parallel up and down; the two guard plates are fixedly arranged on corresponding connecting shafts respectively; a guide passage for a material to pass through is defined by the two guide bodies and the two guard plates; the guide bodies are provided with square holes of which the hole cores are arranged along the axes of the connecting shafts; square pressing blocks are arranged in the square holes; the middle parts of the pressing blocks are provided with middle holes for the connecting shafts to penetrate through; at least one plug block is arranged between the outer side walls of the pressing blocks along the horizontal direction and the inner hole walls of the square holes; a locking unit for limiting the movement of the pressing blocks along the axes of the connecting shafts is also arranged beside one pressing block. The adjustment is easy, and the working efficiency is improved.

The invention discloses an internal connecting type triple-connection structure of a curtain wall keel. The structure comprises a vertical keel and two transverse keels connected to the two sides of the vertical keel through a connecting assembly, a cut-through installing hole is formed in the vertical keel, and the transverse keels are provided with transverse internal expanding grooves; the connecting assembly comprises a sliding connecting member which can penetrate through the cut-through installing hole and move along the transverse internal expanding grooves, and the sliding connecting member is installed in the cut-through installing hole in a penetrating mode and can rotate relative to the cut-through installing hole; and the sliding connecting member has two connecting parts which are located in the transverse internal expanding grooves of the two transverse keels correspondingly and only matched with the transverse internal expanding grooves in a sliding mode, and the vertical keel is fixedly connected to the sliding connecting member through a first fastening assembly. The internal connecting type triple-connection structure of the curtain wall keel has the advantages of being easy to assemble and disassemble, high in connection strength, high in stability and reliability, low in cost, beneficial to enhancing conciseness and exquisiteness of the appearance of the curtain wall and the like.

The invention discloses a machining tool used for adjusting connecting rods. The machining tool comprises a clamping mechanism and a positioning mechanism, the clamping mechanism is used for clamping an adjusting connecting rod blank, the adjusting connecting rod blank is a blank for manufacturing an adjusting connecting rod and comprises a round rod section and a non-round rod section, and the clamping mechanism is provided with multiple clamping holes; and the positioning mechanism is arranged on the side, close to the non-round rod section of the adjusting connecting rod blank, of the clamping mechanism, the positioning mechanism is provided with a positioning groove matched with the non-round rod section, and the positioning groove is used for limiting the direction and the position of the adjusting connecting rod blank. According to the machining tool, the multiple clamping holes are formed in the clamping mechanism, the machining requirement for machining multiple adjusting connecting rods in a single batch is met, and the production efficiency of adjusting connecting rods can be greatly improved; and the positioning groove matched with the non-round rod section is formed in the positioning mechanism, adjusting connecting rod blanks can be aligned in the axis direction, the consistent angle can be kept in the circumferential direction, the dual-positioning purpose can be achieved easily, the positioning time can be remarkably shortened, and the reloading efficiency can be improved.

The invention discloses an eccentric shaft of a side gauge device. The eccentric shaft comprises an eccentric shaft body, wherein a needle roller bearing is sleeved on the eccentric shaft body, and the inner diameter of the needle roller bearing is same as the external diameter of the eccentric shaft body. According to the invention, the needle roller bearing with the external diameter close to that of a copper bush is used, the inner diameter of the needle roller bearing is same as the external diameter of the eccentric shaft body, and the lubrication degree of the needle roller bearing is far higher than that of the copper bush, so that friction is reduced, service life is greatly prolonged, and pull accuracy of the side gauge device is also improved; in normal condition, the eccentric shaft can be contentiously used for more than half a year, and under a better lubrication condition, the eccentric shaft can definitely work for one year, so that maintenance cost and complicated dismounting and mounting work load are both reduced.