47results about How to "Quick installation in place" patented technology

The invention relates to a measuring device for aligning with a continuous casting crystallizer and a measuring method thereof. The technical scheme is that a mounting plate 18 of the device is fixed on a shell 13 of a sliding device 6; a lower plane of the mounting plate 18 is vertical to a center line of the shell 13; and the mounting plate 18 is fixed on a platform of a supporting adjusting bracket 7 through bolts. A detecting rod 5 is connected with a worm wheel 16 through threads; the detecting rod 5 and the worm wheel 16 are concentrically mounted in the shell 13; and a sensor 1 is arranged at the lower end of the detecting rod 5 and is connected with a digital display meter 9 through a cable 10. The measuring method of the device comprises the following steps: moving the detecting rod 5; measuring a distance L2 between an outside foot roll 11 and the sensor 1 through the sensor 1; measuring a distance L1 between an outside support roll 12 and the sensor 1; respectively taking minimum values of the distance L1 and the distance L2; calculating a pair arc delta L which is equal to the diffrence of L2 and L1 between the outside foot roll 11 and the outside support roll 12; and then adjusting the crystallizer to ensure that delta L is less than or equal to 0.3mm. The invention has the characteristics of rapid and accurate measurement.

The invention provides a bent cap structure adopting a double-main-beam prefabricating and assembling method. The cross section of the bent cap is composed of a left prefabricated beam, a right prefabricated beam and a middle trapezoidal post-pouring section, notches are reserved in the upper portions of the two prefabricated sections, and the trapezoidal post-pouring section connecting structure is formed after assembly. According to the construction mode of the trapezoidal post-pouring section located at the top of the bent cap, a post-pouring section reinforcement cage is installed in place at a time, and reserved reinforcements and post-pouring section reinforcements do not need to be connected in a welded mode; the prefabricated section also serves as a formwork, and a post-pouring section formwork does not need to be additionally arranged on site; the prefabricated section is directly hoisted and placed on the top of a pier stand column during installation, and temporary supports or fixing measures are not needed. The bent cap structure has the advantages of being small in site construction workload, high in operability, high in construction speed, good in structural integrity and durability and the like. The bent cap structure is suitable for bent caps which are heavy and need to be transported in a segmented mode.

The invention belongs to the technical field of bridges, and particularly relates to a municipal emergency overpass. The municipal emergency overpass comprises two bases, pier bodies made of steel trusses are arranged at the tops of the bases, platforms are fixedly connected to the tops of the pier bodies, bridge decks are hinged at one sides of the platforms, oil cylinders are obliquely arrangedbelow the bridge decks, one ends of the oil cylinders are hinged to the bottoms of the bridge decks, the other ends of the oil cylinders are hinged to the upper parts of the pier bodies, the oil cylinders are connected with high-pressure oil pumps through valves and pipelines, when the bridge decks work, the bridge decks are folded after being contracted through the oil cylinders, so that the occupied area is reduced, one side, far away from the corresponding pier body, of one bridge deck on one side is provided with a group of clamping openings, the positions, corresponding to the clamping openings, of the side surface of the bridge deck on the other side are provided with a group of T-shaped clamping columns, and the two bridge decks are mutually locked through cooperation between the clamping columns and the clamping openings. According to the municipal emergency overpass, the oil cylinders push the bridge decks to slow rotate, then the clamping columns are clamped into the clampingopenings to enable the two bridge decks to be tightly connected, namely the bridge decks can be rapidly installed in place, the use of large-scale hoisting equipment is avoided, and the installationefficiency of the overpass is improved.

The invention discloses an electromobile control device and aims to provide an electromobile control device which has the advantages of good sealability, good radiating performance and convenient maintenance. The electromobile control device comprises a shell and a circuit board, wherein the shell comprises an upper cover and a bottom case; the circuit board is arranged between the upper cover and the bottom case; the internal surface of the bottom case is provided with a ring of support table used for supporting the circuit board; a power tube of the circuit board is arranged below the circuit board; the radiating surface of the power tube tightly presses the upper surface of the bottom case; a radiating pad is arranged between the upper surface of the bottom case and the power tube and used for conducting heat of the power tube; a sealer is arranged between the circuit board and the upper cover; a press plate is arranged between the sealer and the upper cover; and a connecting piece with a screw structure orderly penetrates through the press plate, the sealer and the circuit board and is screwed in the bottom case. The invention has the advantages of good sealability and waterproofness, convenient maintenance and good radiating performance, and is a substitute of the prior electromobile control device.

Disclosed is a fine blanking machine workbench capable of positioning moulds rapidly. The fine blanking machine workbench is used for rapidly positioning the moulds of a fine blanking machine. The inside of a lower workbench is provided with two rows of support wheels, and small plungers are mounted under the support wheels and connected to the lower workbench; both sides of the upper end surface of the lower workbench are provided with side guide seats, and the inside of each side guide seat is provided with a plurality of grooves, and wheels are arranged inside the grooves and are in contact with a mould lower connecting board; the bottom surface of the mould lower connecting board is provided with T-type grooves, and a square groove of the mould lower connecting board is in contact with a positioning block protrusion, which is mounted on the lower workbench and provided with a sensor; the inside of the lower workbench is provided with a plurality of sensors I; an inner mould locking system inside the lower workbench is provided with lower locking bars. According to the fine blanking machine workbench capable of positioning the moulds rapidly, both side surfaces of the mould lower connecting board are guided by the wheels, the bottom surface of the mould lower connecting board is supported by the support wheels, so that the moulds can be pushed and pulled flexibly and further the replacement time of the moulds can be greatly shortened; the rear square groove and the positioning block protrusion achieve positioning, accordingly high positioning precision can be obtained, and the service life of the moulds can be prolonged; the sensor is used for feeding back the positioning situation of the moulds, so that the safety performance can be greatly improved.

The invention provides a hinge device for a torch bench lifting mechanism. The device comprises a first lug, a second lug and a hinge component which is simultaneously matched with the first lug and the second lug, wherein the hinge component comprises a shaft pin and a pin sleeve which is sleeved on the shaft pin; a bolt is fixedly connected at one side of the pin sleeve, and a free end of the bolt is provided with a nut and a pad; a screw hole is reserved on the pin sleeve, and a conical positioning hole is reserved on the corresponding shaft pin; and positioning bolts are arranged in the screw hole and the positioning hole so as to ensure the mutual positioning of the pin sleeve and the shaft pin. Due to large structure entity, an original separated structure is adopted for an arc frame and a boss, quick connection and assembly can be performed through the hinge device if necessary, the separated structure is convenient to store and transport, and the arc frame can occupy less space in a non-use state to save floor; and when in use, the arc frame is transported to the field, and is connected with the boss into a whole through the hinge device, and the operation is simple and convenient.

The invention discloses an installation method of comprehensive mechanized filling, coal mining and open-off cutting equipment. The installation method comprises the main steps: carrying out open-off cutting and open-off cutting shoring, laying a rail on the coal wall side, and transporting and installing a scraper conveyer; then, laying a rail in a goaf region, and transporting and installing a support; then making two gaps in a headpiece, and transporting and installing a coal mining machine; then transporting and installing a reversed loader by using a winch in a return air tunnel; finally laying a rail in the goaf region side after advance of the face by 3m, and installing a rear top beam of the support, a tamping mechanism and a porous bottom-dump conveyer. The installation method disclosed by the invention aims at solving the technical problem that the installation space of rear equipment is not enough after filling and coal mining front equipment is mounted, and a brand new method is provided for rapid installation of the comprehensive mechanized filling, coal mining and open-off cutting equipment. The installation method is simple, simple and convenient to operate and wide in practicability.

A selenium drum pin pressing-in tool assembly comprises a pin positioning part and a pin pressing-in bar; the pin positioning part is a hollow cylinder; and a cylindrical protrusion is arranged at thetop end of the pin pressing-in bar and connected with the pin positioning part in an inserted mode. Pins can be mounted in place rapidly through the selenium drum pin pressing-in tool assembly, the working efficiency is greatly improved, and the time needed for mounting the pins is shortened.