39results about How to "The jacking process is stable" patented technology

The invention discloses a long-stroke pneumatic hydraulic cylinder body which includes an outer cylinder body and an inner cylinder body which are made of circular steel pipes; the middle part of the outer cylinder body has an oil through which is communicated with the hydraulic cavity of the pneumatic cylinder body; the pneumatic hydraulic cylinder body is characterized in that the inner wall surfaces of the outer cylinder body and the inner cylinder body are respectively provided with grids which can store oil and lead the outer cylinder body and the inner cylinder body to keep long-time lubrication, reduce wear and prolong service life although the grids are tiny. The processing method of the outer cylinder body is as follows: a. fetching a seamless precision steel pipe with the specification of inner hole diameter of 15<-0.07><-0.10>mm, and length of 400 mm; b. using a lathe for turning both ends flat, and heat treatment quenching and tempering stereotype; c. using honing roughing, grinding the inner hole diameter up to be 15<-0.02><-0.03>mm; d. using a mandrel for sheathing the inner hole, using an excircle grinder for grinding the excircle, requesting concentricity; e. using a CNC lathe for cutting the oil through; f. carbonation treatment: enabling the depth up to be more than 0.05 mm; and g. adopting honing finishing so as to lead the finish to be about 0.05 mm and the straightness to be 400 / 0.01 mm, and the roundness to be controlled as 0.002 mm, and lead the inner wall surface of the steel pipe to form small grids.

The invention relates to a synchronous continuous support pulling construction method of a long and large steel box girder, which is characterized by comprising the following steps: firstly, assembling a first steel box girder on a steel box girder assembling bracket of a simply supported girder area, slipping the first steel box girder on a pier I and a pier II in the steel box girder in a support pushing manner; assembling a final steel box girder continuously on the assembling bracket, and slipping the first and final steel box girders to the steel box girder area in a support pulling manner so that the first steel box girder is supported on a pier III and pier II in the steel box girder area, and the final steel box girder is supported on the pier I and pier II in the steel box girder area for construction; a support pulling system is arranged symmetrically along a central line of a bridge, and each section is symmetrically provided with two jacks arranged on the two sections for providing power to the first and final steel box girders. The method can effectively reduce offset in the hauling process of the steel box girder and ensures the installing precision of the long and large steel box girders.

The invention relates to an automatic positioning and lifting device for maintaining electric vehicles. The automatic positioning and lifting device comprises a support device, lifting devices and twolimit devices. The lifting devices are mounted on the top of the support device, and the two limit devices are mounted at the left end and the right end of the support device and are symmetric with each other; each lifting device comprises two lifting mechanisms, two auxiliary push rods, rubber pads, a cleaning electric slider, a cleaning upright column, a cleaning transverse column, a cleaning frame and a cleaning branch chain. The automatic positioning and lifting device has the advantages that the difficulty problems of high risks when tires of existing electric vehicles are detached, requirements on manually lifting the existing electric vehicles, low lifting stability, incapability of automatically cleaning protrusions of chassis of the existing electric vehicles, incapability of clearing sundries in the tires and the like can be solved by the aid of the automatic positioning and lifting device; the automatic positioning and lifting device can have functions of clearing sundriesin grooves of front wheels of different models of electric vehicles and automatically stably lifting the electric vehicles.

The invention discloses a large-span tie bar arch bridge approach bridge jacking system and jacking construction method. The system comprises a left approach bridge main beam jacking device and a right approach bridge main beam jacking device, wherein each of the approach bridge main beam jacking devices comprises an abutment-side hydraulic jacking device and a pier-side hydraulic jacking device,and each of both the abutment-side hydraulic jacking device and the pier-side hydraulic jacking device of each approach bridge main beam jacking device is an approach bridge beam end jacking device; and each of the approach bridge beam end jacking devices comprises a transverse distribution beam, a plurality of vertical jacking devices and a plurality of auxiliary supporting structures. The jacking construction method comprises the following steps of 1, mounting the jacking devices; 2, carrying out jacking; 3, increasing height of an approach bridge lower structure in a jointing way; and 4, removing the jacking devices. The large-span tie bar arch bridge approach bridge jacking system and jacking construction method have the advantages of reasonable structure design, simple and convenientconstruction and good use effect; the two left and right symmetrically-arranged approach bridge main beam jacking devices are adopted to carry out vertical jacking on a to-be-jacked approach bridge main beam, the vertical jacking devices and the auxiliary supporting structures are adopted in each approach bridge main beam jacking device to cooperate together to carry out jacking, and meanwhile theadopted temporary supporting structures have good bearing effect and good supporting stability, thus ensuring that the jacking process of the approach bridge main beam is stable and reliable.

The invention discloses a multifunctional conveying device based on a glass panel production line. The multifunctional conveying device based on a glass panel production line comprises a whole lifting device, a roller conveying device, a glass rotating and lifting device, and a device bottom frame, wherein the whole lifting device, the roller conveying device, the glass rotating and lifting device, and the device bottom frame are installed on a mechanism rack. The whole lifting device is installed at the two ends of the device bottom frame, and the glass rotating and lifting device is installed on the whole lifting device. The whole lifting device comprises linear guide rails on the two sides, and servo motors on the two sides. Each servo motor drives a ball screw to spin through a speed reducer. A lifting base is installed on each of the linear guide rails on the two sides. The roller conveying device is fixedly connected with the lifting bases. According to the multifunctional conveying device based on a glass panel production line, suction disks are used for sucking glass so that glass can be prevented from sliding in the rotation process, glass ascends by being ejected by air cylinders, glass is rotated by the servo motors and the speed reducers, the motors, couplers, magnetic force wheels and rollers are used as a glass conveying structure, and a special glass sorting mechanism is used. The multifunctional conveying device based on a glass panel production line is a conveying device mainly used for solving the problem that because the space of a plant is limited, large glass in conveying shifts a lot, and conveying is difficult.

The invention relates to the technical field of broiler chicken waste recycling and reprocessing, and discloses a broiler chicken breeding waste recycling and reprocessing device, which comprises a fermentation box body, a waste material box and a leavening agent box, the leavening agent box and the fermentation box body are fixed through a fixing plate, and the top of the fermentation box body communicates with the bottom of the waste material box. An opening is formed in the middle of the left side wall of the fermentation box body, a folding sealing plate is fixed between the side walls ofthe periphery of the opening, a lantern ring penetrating left and right is fixed to the middle of the folding sealing plate, a rotating rod is rotatably connected to the inner ring of the lantern ring, the right end of the rotating rod extends into the fermentation box body, and a plurality of stirring rods are fixed to the outer circular surface; a fixed cover and a fixed bracket are fixedly mounted on the left side wall of the fermentation box body, and the fixed bracket is positioned in the fixed cover. The invention solves the problems of simple structure, low fermentation efficiency and long time of the existing fermentation tank for preparing the organic fertilizer from broiler chicken wastes.

The invention discloses a damage-prevention ejection part for a stamping die. The ejection part comprises a lower die, wherein a die body groove is formed in the upper surface of the lower die, a supporting body is arranged in the die body groove, the outer side of the upper surface of the supporting body is arranged in a displacement groove, the displacement groove is formed in the inner wall ofthe die body groove, a supporting block is arranged at the lower end of the supporting body, and the lower surface of the supporting body is connected to the upper ends of supporting and jacking structures. According to the damage-prevention ejection part for the stamping die, a stamped formed part can be easily ejected out of the die conveniently through the structure similar to a scissor jack, compared with the way adopting the lever principle for saving labor in the prior art, more labor is saved, so that the stamped formed part can be easily taken out of the die by a worker conveniently, so that the stamped part can be stably jacked up through a plurality of the structure similar to the scissor jack, the ejected part can be stably used, and the situation that the ejected part is damaged in the using process is avoided.

The invention belongs to the technical field of cross-flow fan production, and relates to a cross-flow fan blade assembling device and a cross-flow fan blade assembling method. The cross-flow fan blade assembling device comprises a horizontal positioning assembly and a lifting insertion assembly; the horizontal positioning assembly comprises a horizontal positioning air cylinder, a horizontal positioning plate and a horizontal positioning sliding rail. the horizontal positioning air cylinder is transversely arranged on a blade transferring supporting plate, a moving part of the horizontal positioning air cylinder is fixedly connected with the horizontal positioning plate, the horizontal positioning plate is transversely arranged on the blade transferring supporting plate through the horizontal positioning sliding rail, a blade positioning frame used for positioning a blade is longitudinally arranged on the horizontal positioning plate, and the whole blade positioning frame is U-shaped;and the bottoms of two inserting push rods penetrate through an inserting limiting sleeve and insert blades in the blade positioning frame into a fan main body. The cross-flow fan blade assembling device has the advantage that the assembly efficiency and the assembly precision between the blades and the fan main body are improved.

The invention discloses a large-span tie bar arch bridge transformation method based on a bridge hydraulic jacking system. A bridge to be transformed comprises a main bridge and two approach bridges.In terms of the transformation of the bridge to be transformed, the transformation method comprises the following steps of 1, carrying out bridge jacking and construction on the newly-built approach bridges, and specifically carrying out jacking construction on a to-be-jacked bridge upper structure of the bridge to be transformed and to-be-jacked approach bridge main beams 1 of the two approach bridges through the bridge hydraulic jacking system; and 2, carrying out subsequent construction. The method has the advantages of being reasonable in design, simple and convenient in construction and good in use effect; jacking for the main bridge and jacking for the two approach bridges are carried out correspondingly, structures and arrangement positions of an approach bridge jacking system and amain bridge jacking system which are adopted are specifically limited, thus being capable of conveniently and rapidly completing the jacking construction process of the large-span arch bridge, and the jacking process is safe and reliable; and in addition, while jacking is carried out on the original bridge upper structure, the two approach bridges on the front and rear portions are newly constructed so that backfilling workload can be effectively reduced, and the construction period can be shortened as well.

The invention relates to a roof integral jacking system and method. The roof overall jacking system comprises jacking devices, a jacking device fixing platform and a roof beam reinforcing structure, the roof beam reinforcing structure comprises outward-extending parts, blocking edges used for limiting the circumferential edges of a roof are further fixedly arranged on the outward-extending parts,inclined struts are further arranged on the positions, inside walls, of the roof beam reinforcing structure, each inclined strut comprises a supporting rod and a supporting plate, one surface of eachsupporting plate is fixedly connected with the corresponding supporting rod, and the other surface of each supporting plate is attached to and fixedly connected with the inner surface of the roof; andjacking parts matched with the jacking devices are further arranged on the roof beam reinforcing structure, the jacking devices are hydraulic jacking devices, the jacking devices comprise hydraulic cylinders and hydraulic jacking rods, and the hydraulic jacking rods are fixedly connected with the jacking parts of the roof beam reinforcing structure so as to upwards jack the roof. The roof integral jacking system can be suitable for the roof with low structural strength, and is wide in application range.

The invention discloses a new energy water pump structure based on wind-solar complementation. The new energy water pump structure comprises a bottom frame, a water pump body, a wind energy collecting device body, an adjusting device, an auxiliary scraping and sweeping device and a solar panel body. The adjusting device is arranged at the top of the bottom frame, the upper end of the adjusting device is connected with the solar panel body, and a jacking mechanism is arranged in the adjusting device; an independent motor drives an internal pushing mechanism to realize angle inclination of a bearing plate of which the top is connected with the solar panel, so that inclination angle adjustment of the solar panel is quickly realized; the bottom of the jacking mechanism is connected with the rotating mechanism, and the rotating mechanism can drive the jacking mechanism and the plane angle position of the solar panel at the top to be adjusted. The auxiliary scraping and sweeping device is arranged at the left front end of the bottom frame, the scraping and sweeping piece is arranged in the bottom frame, the bottom of the scraping and sweeping piece is connected with the angle adjusting mechanism, multi-angle rotation can be conducted, the scraping and sweeping piece can be attached to the solar panel conveniently, the rotating solar panel is cleaned rapidly, manual operation is reduced, and working efficiency is improved.

The invention relates to an explanation recommendation system and method based on scenic spot identification. The method comprises the following steps: after comprehensive service equipment of each scenic spot in a scenic area reads an electronic tag of a tourist terminal through an RFID reader, the comprehensive service equipment transmits tourist data information and time information contained in the electronic tag, the tag reading frequency information and position information to a scenic area control platform; the scenic area control platform sends the information to an analysis unit, andthe analysis unit classifies, stores and counts the information and grades the scenic spots according to statistical results of various data; and the number of service devices in the scenic spots is adjusted according to the scenic spot grading result. According to the system and the method, big data statistics of the scenic area control platform is facilitated, objective data reference is provided for comprehensively regulating and controlling the position and the number of comprehensive service equipment in each scenic spot by taking tourists as guidance in the scenic area, scenic area management is enhanced, resource waste caused by careless management is reduced, and the tourist experience is improved.

The invention relates to rotating disc type battery edge ironing equipment which comprises a base, a rotating disc mechanism, an edge ironing mechanism and a jacking mechanism are arranged on the base, the edge ironing mechanism is located on one side of the rotating disc mechanism, the jacking mechanism is located below the rotating disc mechanism, the rotating disc mechanism comprises a rotating disc body, and two stations distributed at intervals are arranged on the rotating disc body; product clamps are arranged on the stations, each product clamp comprises a positioning clamp and a jacking clamp, and the bottom of each jacking clamp is connected with a jacking mechanism; the edge ironing mechanism comprises a pressing positioning guide column and edge ironing assemblies oppositely distributed on the two sides of the pressing positioning guide column, the pressing positioning guide column is provided with an elastic piece, each edge ironing assembly comprises an edge ironing block, and an arc-shaped notch matched with a battery is formed in the side, located on the pressing positioning guide column, of each edge ironing block. The rotating disc type soft package battery edge ironing equipment has the advantages of being safe and convenient to operate, high in efficiency, good in edge ironing quality and the like.

The invention discloses a three-point supporting method for pipe joint prefabricating and pushing construction according to the factory method, and particularly relates to a three-point supporting method for achieving smooth pushing on a pipe joint through a three-point supporting hydraulic system. The three-point supporting method comprises a master control circuit for controlling the three-point supporting hydraulic system to jack and push a pipe joint section of the pipe joint; when the pipe joint section is pushed to a proper position, the three-point supporting hydraulic system is demounted; after pre-casting on a next pipe joint section is finished, the three-point supporting hydraulic system is respectively connected with the supporting jacks for the two pipe joint sections; the master control circuit controls the three-point supporting hydraulic system to jack and push the two pipe joint sections; after the two pipe joint sections are pushed to proper positions, the three-point supporting hydraulic system is demounted; after pre-casting on a next pipe joint section is finished, the three-point supporting hydraulic system is respectively connected with the supporting jacks for the three pipe joint sections; the rest can be done in the same manner until pushing on all the pipe joint sections forming the pipe joint is finished.

The invention belongs to the technical field of cross-flow fan production, and relates to an automatic blade assembling method and equipment of a cross-flow fan. The equipment comprises a rack, and afan supporting and rotating device, a blade feeding device, a blade transferring device and a blade assembling device which are arranged on the rack; the fan supporting and rotating device is used forsupporting a fan main body and driving the fan main body to rotate; the blade feeding device is used for conveying and feeding blades; the blade transferring device is used for transferring the blades on the blade feeding device to the blade assembling device; and the blade assembling device is used for inserting the blades into blade grooves of the fan main body on the fan supporting and rotating device. The equipment has the advantages that the transfer stability and the transfer efficiency of the cross-flow fan blades are improved, the equipment cost is saved, and the assembly efficiency and the assembly precision between the blades and the fan main body are improved.

The invention discloses concrete block production equipment with an auxiliary demolding device. The concrete block production equipment comprises a support seat, a mold and the auxiliary demolding device. The support seat stands on the ground through a first floor stand. The mold is mounted on the support seat, and a bottom face inside the mold is sunken to form a mounting groove communicating with the outside. The auxiliary demolding device comprises demolding assisting seats, steel balls and an ascending-and-descending driving mechanism. The mounting groove allows the demolding assisting seats to be put therein, and the inner wall of the mounting groove is used for supporting the demolding assisting seats. When the inner wall of the mounting groove supports the demolding assisting seats, the top faces of the demolding assisting seats and the bottom face inside the mold are located on the same plane. The bottom face of each demolding assisting seat is sunken to form a groove, and each groove allows the top of the corresponding steel ball to be inserted therein. The steel balls are mounted on an output portion of the ascending-and-descending driving mechanism. By means of the concrete block production equipment with the auxiliary demolding device, the problem that in the prior art, an output portion of a hydraulic oil cylinder is hinged to a demolding support, so that concrete inside a gap between the demolding support and a molding test mold is difficult to clear is solved.

The invention provides a double-arm electric holding pole. A tower body of the double-arm electric holding pole comprises a plurality of standard sections which are fixedly connected in the longitudinal direction; a lifting frame is used for lifting the standard section so as to assemble the next standard section below, and a frame chamber for accommodating the standard section is arranged in the lifting frame; a first working platform is installed on the lifting frame and comprises a first surrounding seat and a first jacking arm hinged to the first surrounding base; a support block is fixed to a section column of the standard section; the first jacking arm can turn inwards to abut against the support block; a lifting oil cylinder is mounted on the first working platform, and the lifting oil cylinder can lift or lower a second working platform; the second working platform comprises a second surrounding seat and a second jacking arm hinged to the second surrounding seat, and the lifting frame has a lifting mode and a return mode; in the lifting mode, the lifting oil cylinder lifts the second working platform to enable the second jacking arm to support the support block to lift the standard section upwards; and in the return mode, the first jacking arm turns inwards to temporarily support the support block above the first jacking arm, and the lifting oil cylinder lowers the second working platform. The double-arm electric holding pole is high in lifting efficiency and good in stability.

A coating device comprises a main body part with a coating chamber, a cover plate assembly and a sealing element, and the cover plate assembly comprises a cover plate and a rocker arm fixed on the cover plate. The coating device further comprises at least two sets of jacking mechanisms used for jacking the cover plate assembly and a rotation driving mechanism used for driving the rocker arm to drive the cover plate to rotate around a first rotating shaft. The rocker arm is provided with a fixed part which is positioned at one side of the first rotating shaft and is fixed with the cover plate,and a force application part which is positioned at the other side of the first rotating shaft, the rotation driving mechanism comprises a rotation driving piece and a position compensation mechanism,and the position compensation mechanism is connected with the force application part and is used for preventing the rotation driving piece from being stressed during the process of jacking the coverplate assembly. By means of the arrangement, the coating device is better in performance and is easy to operate.

The invention discloses a reconstruction method for a large-span tied arch bridge based on a bridge hydraulic jacking system. The reconstructed bridge includes a main bridge and two approach bridges; when reconstructing the reconstructed bridge, the steps include: step 1: lifting the bridge And the construction of the new approach bridge: use the bridge hydraulic jacking system to carry out jacking construction on the superstructure of the bridge to be jacked up and the two main beams 1 of the approach bridge to be jacked up; step 2, follow-up construction. The method of the invention is reasonable in design, simple in construction and good in use effect. It is simple and fast to complete the construction process of jacking up the large-span arch bridge, and the jacking process is safe and reliable; in addition, when the original bridge superstructure is jacked up, two new approach bridges are built, which can effectively reduce the backfill workload and save construction. duration.

The invention discloses a construction method for jacking up a long-span concrete-filled steel pipe tied arch bridge. The bridge to be jacked up includes a main bridge and two approach bridges. When jacking up the bridge to be jacked up, steps are included: 1. Preparation before jacking up Work: Separate the connection ends of all longitudinal girders in the two approach bridges from the assembled girder body, and separate the assembled girder body from the two supporting piers, and simultaneously separate all the longitudinal girders in each approach bridge from the supported The lower support structure of the approach bridge is separated; 2. Jacking: When jacking up the bridge to be lifted, the main bridge and the two approach bridges are jacked up separately; 3. The lower structure of the main bridge is raised. The method of the present invention is reasonable in design, easy in construction and good in use effect. The main bridge and the two approach bridges are respectively jacked up, and the structures and layout positions of the adopted approach bridge jacking system and the main bridge jacking system are specifically limited. The jacking construction process of the long-span arch bridge is completed simply and quickly, and the jacking process is safe and reliable.

The invention discloses a crawler crane and a control system and method for get-off assembly and disassembly. The invention also discloses engineering machinery and a control method and a control system for get-off assembly and disassembly of the engineering machinery. The control system comprises a main frame and at least two telescopic cylinders used for jacking the main frame. The control method specifically comprises the following steps: detecting a levelness signal of the main frame under a current operating state in real time; judging whether the horizontal unbalance loading degree of the main frame is in an allowed unbalance loading range according to the levelness signal; and finally, outputting a control instruction for regulating the oil inlet quantity of the corresponding telescopic cylinders according to the judgment result. According to the invention, the labor intensity and operating difficulty of the operator are effectively reduced, a programmable logic controller is utilized in a maximized mode, intelligent operation and safety precautions are realized, and safe and reliable operation is guaranteed. A control mode of combining an electronic level meter and a controller is introduced, so that the current levelness of the frame is detected in real time, and the stress condition of each actuating mechanism is involved. When the stress requirements of the structural component are met, the working efficiency is improved to the maximal extent, and the complicated lifting operation is simple and intelligent.

The invention discloses a tempered glass verification and detection device. The tempered glass verification and detection device comprises a feeding plate, the lower surface of the feeding plate is fixedly connected with a supporting plate; the bottom of the supporting plate is fixedly connected with a bottom plate, and an L-shaped groove is formed in the inner surface of the feeding plate. Tempered glass is placed in the L-shaped groove; the outer side of the feeding plate is fixedly connected with a mounting plate; an n-shaped frame is fixedly connected to the upper surface of the mounting plate, a first spring is fixedly connected to the inner top surface of the n-shaped frame, a lifting plate is fixedly connected to the bottom of the first spring, a knocking block is fixedly connected to the lower surface of the lifting plate, and through holes are formed in the mounting plate and the n-shaped frame and are connected with a driving mechanism for driving the knocking block to reciprocate up and down. The tempered glass checking and detecting device has the function of continuously detecting multiple positions of tempered glass and is better than a traditional product.

The invention discloses a new energy water pump structure based on wind-solar complementarity, which includes an underframe, a water pump main body, a wind energy collection device main body, an adjustment device, an auxiliary sweeping device and a solar panel main body. The invention provides an adjustment device on the top of the underframe , the upper end of the adjustment device is connected to the main body of the solar panel, and the inside of the adjustment device is equipped with a jacking mechanism, which is driven by an independent motor to realize the angle tilt of the bearing plate connected to the solar panel on the top, so as to quickly realize the adjustment of the tilt angle of the solar panel; And the bottom of the jacking mechanism is connected with the rotating mechanism, and the rotating mechanism can drive the plane angle position adjustment of the jacking mechanism and the solar panel on the top; an auxiliary scraping device is provided at the left front end of the bottom frame, and a scraping part is arranged inside, and the scraping part is arranged inside. The bottom of the part is connected with the angle adjustment mechanism, which can be rotated at multiple angles, which is convenient to fit on the solar panel, and can quickly clean the rotating solar panel, reduce manual operations and improve work efficiency.