38results about How to "Lower operating height" patented technology

The invention discloses a battery replacement platform, a battery mounting part and a battery replacement moving device. The battery replacement moving device comprises a horizontal moving part used for driving the whole battery replacement equipment to move horizontally and comprises a moving frame used for moving and providing a mounting base and a horizontal driving device used for driving themoving frame to move; a vertical lifting part which is mounted on the horizontal moving part and used for driving the battery replacement platform to ascend and descend in the vertical direction; anda battery mounting part which is mounted on the vertical lifting part, is used for replacing and dismounting a battery, and comprises a battery replacement platform and a battery unlocking device mounted on the battery replacement platform. By means of the vertical lifting part, the operation height can be reduced to the maximum extent; therefore, the required replacement space is reduced, the movement stability and accurate positioning can be improved through the horizontal moving part, a battery at the bottom of the electric automobile can be automatically disassembled and replaced through the battery mounting part, and the disassembly and transportation of the battery of the electric automobile and the replacement of a new battery are automatically realized in the whole scheme.

The invention provides a bridge U-shaped rib plate reverse deformation welding positioning table which comprises supports, lifting devices and a supporting rack. The lifting devices are separately arranged in the middles of the supports and connected with the middle of the supporting rack. Pin shaft locking parts are arranged at the positions, corresponding to the supports, of the two ends of the supporting rack. After one end of the supporting rack is locked to the corresponding support, the corresponding lifting device rises to support the supporting rack to enable an acute angle to be formed between the supporting rack and the horizontal direction, and after the lifting device falls, the locking end of the supporting rack is unlocked, the other end of the supporting rack is locked to the corresponding support, and when the corresponding lifting device rises again, an acute angle is formed between the supporting rack and the other end of the support, and left-right rollover is achieved. The bridge U-shaped rib plate reverse deformation welding positioning table has the most important characteristics that the operation heights of workpiece feeding and discharging are effectively decreased, modification of foundation deep-excavation is not needed for a workshop, the capital construction cost is saved, and the mounting flexibility of equipment is improved.

The invention discloses an inverted frame of an emergency repair tower. The inversion frame comprises an inverted frame main body (1), wherein a lifting device is arranged on the inverted main body (1), a lifting end of the lifting device is connected with a hoisting plate (7), a first tray (5) on which tower sections (2) of the emergency repair tower are placed are movably connected onto the hoisting plate (7), two first hanging rings (6) are arranged on the first tray (5), the upper part of the inverted frame main body (1) is fixedly connected with two hanger ropes (4), the free ends of the two hook ropes (4) are connected with two hooks (11) which are hooked with the two first hanging rings (6) on the first tray (5) in a matching manner; and the inverted frame further comprises a second tray (12), and two second hanging rings (13) which are hooked with the two hooks (11) of the two hook ropes (4) in a matching manner are arranged on the second tray (12). The inverted frame of the emergency repair tower has the advantages of small occupied space and high working efficiency when the emergency repair tower is erected.

The invention relates to an extractive distillation process in the hydrofining process of crude benzene. The process comprises the following steps: 1) extractant enters from the top of an extractive distillation column, hydrotreated oil enters from the middle of the extractive distillation column; and the tower top product enters a stripping tower in a gaseous phase mode; 2) the tower top product of the extractive distillation column enters the stripping tower to perform distillation purification, the non-arene product in the top of the stripping tower is discharged, the heavy phase product at the bottom of the stripping tower is sent to a liquid-liquid separating tank by a pump; and 3) in the liquid-liquid separating tank, liquid is collected to obtain a heavy phase product and a light phase product, the heavy phase product containing extractant and arene are sent back to the extractive distillation column; and the light phase product, namely non-arene is sent back to the stripping tower. By adopting the process, the heavy non-arene can be effectively prevented from being sent to the extraction section of the extractive distillation column and the quality of product can be increased; and the total height of the extractive distillation column can be reduced, the manual operation is convenient to perform and the problem that the lack of heat caused by the overhigh extractive distillation column can be avoided.

The invention discloses a steel tower self elevating installation method, wherein a rotating hinge is arranged on the bottom portion of a steel tower main body, an auxiliary leg is hinged on the steel tower main body, after the steel tower main body and the auxiliary leg are welded on an assembling support on site, a tension system is arranged between a base of the steel tower and the bottom portion of the auxiliary leg, the steel tower is achieved to vertically rotate and lift to a scheduled position through tensioning the tension system, and then a fixed structure on the rotating hinge which is arranged on the bottom portion of the steel tower is arranged. The steel tower self elevating installation method has the advantages that: 1, the rotating hinge is arranged between the steel tower and the auxiliary leg and the steel tower and the base, the auxiliary leg of a herringbone steel tower is capable of directly using an inclined leg of the steel tower, thereby the steel tower and the auxiliary leg are convenient to be welded near the ground by lifting equipment on the ground, and the welding quality is easy to be guaranteed. 2, A prestressing tendon is arranged between the base of steel tower and the bottom portion of the auxiliary leg and supplies power for the vertical rotating of the steel tower through the tension of a jack, the steel tower lifts to the scheduled position by itself, the facilities are simple, the operation height is low, and the operation is convenient.

The invention discloses a convenient-to-operate common conveying device for vehicle doors and trunk lids, which is sued for solving the problems that the conveying device is inconvenient to manually operate and that one conveying device corresponds to only one kind of work pieces. The technical scheme is that: the common conveying device comprises an underframe and support frames fixed on the underframe; conveyor belts and material blocking plates are arranged on the support frames; after the conveying device is improved, lifting cylinders are arranged on the underframe; lifting cylinder rodsare fixedly connected with the support frames; the conveyor belts comprise fixed conveyor belts and lifting conveyor belts; conveyor belt lifting cylinders are arranged at the support frames; and conveyor belt lifting cylinder rods are fixedly connected with the lifting conveyor belts. The common conveying device can reduce operation heights for workers to take and put the work pieces, greatly reduce the labor intensity of the workers, realize the applicability of one conveying device to the conveyance of the two kinds of work pieces, namely, the vehicle doors and the trunk lids, simultaneously save the occupation of a production site and reduce the tool cost, is favorable for improving the production efficiency and overcomes the shortcomings of waste of working hours and low production efficiency caused by the frequent replacement of the conveying devices.

The invention relates to large size sleeve pipe optical rod assembling equipment, and belongs to the technical field of optical rod and optical fiber processing. The equipment is composed of a core rod storage device, a core rod assembling device, and a sleeve pipe assembling device. The front termination of the core rod assembling device is provided with the core rod storage device through a connection piece A. The rear termination of the core rod assembling device is provided with the sleeve pipe assembling device through a connection piece B. The equipment can precisely place a preform core rod in a predetermined position in a sleeve pipe, which has been subjected to tapering, without any wear through an adjusting roller, an elevating mechanism, and a roller finely adjusting device, and completes the manufacturing of large size optical fiber preform. The large size sleeve pipe optical rod assembling equipment has low requirements on the height of used space; due to the functional module assembly structure, the equipment is easy to disassemble and transport, the core rods can be stored and dried intensively, the consumption amount of clean gas is low, the operation height is reduced, and the risk that core rods fall down and break is reduced.

The invention discloses a coating machine for plates or coils, which includes a frame and several conveying rollers fixed on the frame. The coating machine also includes at least two coating mechanisms. The coating roller bracket on the frame, the coating roller bracket is rotated and installed with the coating roller, and the coating roller bracket adjustment mechanism is installed between the frame and the coating roller bracket; the coating roller bracket is slidingly installed with a pick-up roller The pick-up roller bracket, the pick-up roller bracket adjustment mechanism is arranged between the coating roller bracket and the pick-up roller bracket; A gauge roller bracket adjustment mechanism is installed between them, and a paint tray is also installed on the frame, and paint is filled in the paint tray, and the roller surface part of the pick-up roller is immersed in the paint. The coating machine does not need to be stopped for cleaning when changing paints of different colors or varieties, which ensures continuous production, improves production efficiency, and avoids waste of plates or coils.

The invention belongs to the field of metallurgical equipment and particularly relates to a new structure of super-heavy extruding equipment. The new structure comprises a rear beam, pull rod pressing sleeves and a front beam which are used for forming an extruding machine prestressed rack, wherein an external perforation system is connected with the rear end of the rear beam and comprises a perforation rear beam provided with a fixed perforation cylinder and perforation pull rod pressing sleeves; two ends of each perforation pull rod pressing sleeve are connected with the extruding machine rear beam and the perforation rear beam respectively; a large main working cylinder is fixed on the extruding machine rear beam, small main working cylinders are symmetrically arranged on the left side and the right side of the large main working cylinder, and four side cylinders are symmetrically arranged on the upper side and the lower side of the large main working cylinder; a main plunger of the large main working cylinder is connected with a moving cross beam; an extruding tool is mounted on the moving cross beam; a pair of main scissors is fixed on the extruding machine front beam; and an extruding barrel is arranged between the extruding machine front beam and the moving cross beam. The main machine structure manner is designed for the structure of an extruding machine with the largest tonnage in the industry, the overall performance of the super-heavy extruding machine can be improved, and the strength and extruding precision of super-heavy backward extruding equipment can be improved.