31results about How to "The installation method is firm" patented technology

The invention provides a prefabricated box culvert system. The prefabricated box culvert system comprises at least two prefabricated box culverts. Two prefabricated box culverts are located at the head end and the tail end of the prefabricated box culvert system, the prefabricated box culverts at the head end and the tail end respectively comprise a box body and two connectors, at least one connector of each box culvert comprises a bundle of bars or a pre-buried water stop belt, and the box culverts of the prefabricated box culvert system are connected through bars or the water stop belts formed through overlap welding, and are connected into the integrally-formed box culvert system through poured concrete. The invention further provides an installation method of the prefabricated box culvert system. The installation method is used for connecting the at least two prefabricated box culverts into a whole and laying the box culverts on the bottom face of a road. Compared with the prior art, the prefabricated box culvert system is simple in construction, short in construction period, low in cost, wide in application range, and suitable for municipal engineering and other large-scale traffic construction.

The invention discloses an expansion joint-adjustable dual-waterproof installation construction process, comprising the following process steps of: plastering wall surfaces positioned on the expansion joint; carrying out construction measurement on both sides of the expansion joint; adhering waterstops; installing and fixing an aluminum alloy base; sizing the edges of the aluminum alloy base; embedding rubber strips; assembling and fixing a slide rod and a cover plate; processing the expansion joint, and cleaning an exterior. The invention has the advantages of firm installation, dual waterproofing, large expansion amount and elegant appearance without the raised margins of the cover plate.

The invention discloses a bridge crack detecting device which comprises a support frame, a walking device and an image recording device, wherein the support frame can be detachably mounted on the bottom surface of a bridge; the image recording device is movably disposed on the support frame through the walking device; and the image recording device driven by the walking device is movable in at least one direction on the support frame. The image recording device performs image recording on the bottom surface of the bridge during the movement, and an inspector checks cracks at the bottom of thebridge according to the image recording. The device has the advantages of simple structure, convenient disassembly, high stability, accurate positioning and the like, and is capable of quickly and accurately detecting the cracks at the bottom of the bridge.

A single-shaft lens device for a UAV (unmanned aerial vehicle), which includes a drive apparatus and a lens apparatus, wherein: the lens apparatus is driven through the drive apparatus to uniaxially rotate around a lens shaft; the lens apparatus includes a lens front cover, a lens rear cover, a lens module and a first circuit board; the lens shaft is sleeved to the lens front cover or the lens rear cover; the lens module is buckled with the lens front cover, the first circuit board tightly presses the lens module and is connected with the lens front cover, the lens rear cover is connected with the lens front cover after the lens rear cover is covered with the lens front cover.

The invention relates to the technical field of dust removers, in particular to a material receiving type dust remover, and aims to solve the problems that a dust remover in the prior art is inconvenient to maintain and overhaul, and dust is inconvenient to clean, the following scheme is provided: the material receiving type dust remover comprises a shell, an air inlet pipe is fixedly connected to the top of the shell, and a mounting box is fixedly connected to one side of the outer part of the shell; an exhaust fan is mounted on the mounting box, and a discharge pipe is fixedly connected to the top of the mounting box; the dust remover also comprises a filtering mechanism which comprises two side plates, two rotating plates mounted between the two side plates, a filter screen sleeving the two rotating plates, and three cleaning rollers mounted between the two side plates and matched with the filter screen. The dust remover is reasonable and stable in structure and easy to operate, the dust remover is convenient to disassemble and assemble and convenient to overhaul and maintain, the filter screen can be effectively self-cleaned and prevented from being blocked, dust stored on the inner side of the dust remover can be collected and cleaned, and the dust remover is easy to popularize and use.

An easy-to-construct stair slab, including a slab body and a vertical kick plate, the lower surface of the slab body is provided with a plurality of connecting nails for fixing the slab body on the main body of the staircase, and a gasket is provided on the top of the connecting nail; The lower part of the body end is provided with a connection groove, the width of the bottom wall of the connection groove is larger than the width of the opening and the inner side wall is vertical, the board body is connected with the vertical kick plate through the connection groove, and the top of the vertical kick plate has a connecting rib matching the connection groove , the inner edge of the bottom of the vertical kick plate has a chamfer, and the upper surface of the inner end of the plate has a clamping groove, and the vertical kick plate can be clamped between the upper and lower boards on the stairs. The advantages and beneficial effects of the present invention: the installation method is firm; the board body and the vertical kick board adopt the clamping method, which is easy to connect and improves the installation speed; Noise is generated by friction at the place, and the sound-absorbing cotton is provided at the same time, which improves the mute effect; the metal anti-slip strip increases its aesthetics.

The invention discloses a closed inner support type airless tire and a production process thereof. The closed inner support type airless tire comprises a hub, inner support pieces and a tire main body, wherein the tire main body is assembled on the hub, the assembly joint surface of the two is subjected to circumferential positioning by arranging a concave-convex structure, the inner support pieceis an annular piece formed by connecting hollow polyurethane pipes end to end, and the inner support piece is arranged in the tire main body and surrounds the hub; the at least two inner support pieces are sequentially arranged in the axis direction of the tire main body. The tire main body is of a hollow structure formed by pouring polyurethane rubber, and the inner support piece is arranged inan inner cavity of the tire main body. The inner support piece, the annular polyurethane foaming body and the high-strength polyester gridding cloth are all poured into the inner cavity of the tire main body, the tire main body wrapped in a full-closed mode is close to an existing pneumatic tire in shape, and compared with the pneumatic tire, the airless tire is safe, reliable, high in strength, good in abrasion resistance, long in service life and suitable for large-scale automatic production and machining.

The invention discloses an alarm device for a tunnel type computer car washer. The alarm device comprises a car washer rack and an alarm device main body arranged at the bottom of the car washer rack,a connecting wire is arranged at one side of the alarm main body, and two L-shaped ejector blocks are symmetrically arranged on the top surface of the alarm main body; the fixing bases correspondingto the L-shaped ejector blocks are fixed to the bottom surface of the car washer rack, and two L-shaped inserting grooves matched with the L-shaped ejector blocks are formed in the fixing base. By arranging a fixed seat, the L-shaped ejector blocks, the L-shaped inserting grooves, a spring slot, a telescopic clamping rod, a limiting clamping rod slot, a pull rod, a transverse pull block, a rectangular pull block slot, an ejector rod, an ejector rod slot and a pull handle, the mounting mode of the alarm main body is firmer, the problem that the alarm main body in an original device has a certain falling risk is solved, and meanwhile, when the alarm main body needs to be disassembled subsequently to be overhauled and replaced, the alarm main body can be disassembled and assembled quickly.

The present invention discloses a stone material or ceramic-based dovetail plug arranging device and an arranging method, which comprises stone material or ceramic tile. The present invention is characterized in that a long dovetail groove of which the groove opening is small and the groove inner is big is arranged at the back of the stone material or ceramic tile; a hanging piece is provided with a dovetail plug; the size and the shape of the dovetail plug are matched with the long dovetail groove, and can be blocked in the long dovetail groove arranged at the back of the stone material or ceramic tile for locating; the length of the groove opening of the long dovetail groove is larger than or equal to the vertical height of the front part of the dovetail plug in the hanging piece; the width of the groove opening of the long dovetail groove is larger than or equal to the thickness of the dovetail plug; the dovetail plug is transversely inserted into the long dovetail groove when in assembly, then, the dovetail plug is turned to a vertical direction to be buckled in the long dovetail groove, and finally, the dovetail plug and the long dovetail groove are located to not move. The present invention has the advantages of simple construction, convenient use, low cost, stable suspension, large quake-proof force, low loss and the like. The present invention can be used for all the invert hanging, inclined hanging, elevation hanging, molding line hanging and the like of the stone material or ceramic tile, and the arranging method of the present invention is simple and convenient.

The invention discloses a square waterproof connector for information transmission. The square waterproof connector comprises a five-core connector; the five-core connector comprises a connector body,first connecting devices, a mounting device, second connecting devices and a third connecting device; the first connecting devices are arranged on one side of the connector body, and the two first connecting devices are symmetrically disposed with respect to the connector body; the first connecting devices are fixedly connected to the connector body; the second connecting devices are arranged onone side of the connector body; and the number of the second connecting devices is two. According to the square waterproof connector for information transmission, waterproof devices adopt limiting blocks and waterproof pads to prevent water under the action of limiting springs. The waterproof function is strong; the number of the waterproof devices is two, and the waterproof effect is better, so that the waterproof function of the five-core connector is better; and on the one hand, the short circuit of internal components can be prevented, and on the other hand, the service life of the five-core connector is prolonged.

The invention provides a clamp type cable sheath grounding frame which comprises multiple grounding copper bar components which are fixed on the wall. The technical main points are that the grounding copper bar components comprise multiple grounding copper bar units I and grounding copper bar units II which are identical in structure. The adjacent grounding copper bar units I or the grounding copper bar units II are connected in series via bridging copper bars. The grounding copper bar units I or the grounding copper bar units II comprise copper bar bodies, multiple pin parts which are integrated with the copper bar bodies and positioned at the bottom parts of the copper bar bodies and equidistantly arranged, and insulating sheets which are arranged at the two ends of the copper bar bodies. The same side of the grounding copper bar components formed by the grounding copper bar units I and the grounding copper bar components formed by the grounding copper bar units II and the same grounding trunk lead-out copper bar are fixed simultaneously. The grounding copper bar components are fixed on the wall via expansion bolts assembled on the insulating sheets. Problems of disordered cable shielding layer grounding installation mode, poor uniformity, poor anti-interference performance and poor resistance consistency can be fundamentally solved.

An adjustable forced centering support for automatic monitoring equipment such as high-speed railways, subway tunnels, and reservoir dams, including an upper fulcrum, a lower fulcrum, and a base, and is characterized in that the upper fulcrum and the lower fulcrum are fixed on the wall, and the upper fulcrum A horizontal bar is hinged, and there are two lower fulcrums. Left and right oblique struts are hinged on the two lower fulcrums. A base is provided at the upper end of the cross bar, and a base is provided above the base. The invention has the characteristics of simple structure, safety and reliability, and is not easy to be damaged. The monitoring equipment is connected with the base of the bracket through screws to ensure the measurement accuracy.

The invention discloses a quickly-assembled nut. The quickly-assembled nut comprises a first nut sleeve buckle, a second nut sleeve buckle, locking shaft sleeves, a first guide pin, a first spring, balls and a second guide pin. When the quickly-assembled nut is used for conducting fastening, an operator can manually knead the first nut sleeve buckle and the second nut sleeve buckle together so as to lock the quickly-assembled nut. The quickly-assembled nut can be unlocked by manually pressing a pressing part of the first guide pin and exerting the force for separating the first nut sleeve buckle from the second nut sleeve buckle. The technical problem is solved by overcoming the defects that existing nut and bolt connection operation is complex and wastes time, and the quickly-assembled nut is easy and convenient to use and capable of achieving rapid nut and bolt connection.

The invention discloses a curved-surface television TCON protection board. The characteristics lie in that the curved-surface television TCON protection board comprises a protection board body with certain thickness, the top of the protection board body is provided with a groove, both sides of the groove are provided with connecting holes, the protection board body extends downward in an inclined manner from the connecting holes so as to form rounded corner parts at two ends of the protection board body, and each rounded corner part is provided with an installation hole; the protection board body is provided with air holes thereon; the protection board body is arranged at the rear side of a backboard, and a TCON substrate is installed between the protection board body and the backboard. The TCON protection board is internally of a board body structure which is thin at the middle part and gradually becomes thick towards the two ends, gives sufficient consideration to technological design processing of products and molding and assembling modes of components, is applicable to mass production and customization, saves the input cost, and is easy to assemble and disassemble and long in service life; and the curved-surface television TCON protection board is applied to a television, an independent protection board structure is designed, the TCON substrate is assembled in the television backboard ingeniously, the installation mode is simple, and the structure is firm.

A clamp-type cable sheath grounding frame, including several grounding copper bar assemblies fixed on the wall, and its technical gist is: the grounding copper bar assembly includes several grounding copper bar units I and grounding copper bar units with the same structure II, between adjacent grounding copper bar units I or between grounding copper bar units II through bridging copper bars; A number of feet arranged at equal intervals at the bottom, insulating sheets located at both ends of the main body of the copper bar; the same side of the grounding copper bar assembly formed by the grounding copper bar unit I and the grounding copper bar assembly formed by the grounding copper bar unit II are simultaneously connected to the same The main grounding copper bar is fixed, and the grounding copper bar assembly is fixed on the wall through expansion bolts assembled on the insulating sheet. It fundamentally solves the problems of chaotic installation methods, poor uniformity, poor anti-interference performance, and poor resistance consistency of the grounding of the cable shielding layer.

The invention relates to a coil cooler arranged in a heating zone. The coil cooler is arranged at one side of the heating zone of a reflow oven and comprises a mounting plate, a stainless steel hose coil, a coil fixing device and a fixing plate, wherein the mounting plate is arranged above the stainless steel hose coil; the coil fixing device is used for fixedly mounting the stainless steel hose coil on a base plate; and the fixing plate is fixed to the side part of the stainless steel hose coil through a fixing screw. Compared with the prior art, the coil cooler arranged in the heating zone is safe and reliable, simple in structure, and convenient to mount and overhaul; therefore, better cooling effect can be achieved.

The invention discloses a tower crane slewing mechanism mounting method. A mounting device comprises a fixed support mounted on a slewing bearing frame, a wedge block matched with the fixed support and a connecting piece, the fixed support is in a wedge shape with the wide lower portion and the narrow upper portion, the inclined face of the wedge block is matched with the upper portion wedge-shaped inclined face of the fixed support, the upper portion of the wedge block horizontally extends to form a top cover, the connecting piece penetrates through the top cover to fix the wedge block on the fixed support, the slewing bearing frame is fixed on the side edge of the slewing mechanism, a bayonet is formed in a rotating arm of the slewing mechanism, and the bayonet is aligned with the fixed support for installation. According to the tower crane slewing mechanism mounting method, and efficient machining of the slewing bearing frame, stable installation of the slewing mechanism and rapid installation of the slewing mechanism are achieved.

The invention provides a constant-temperature box capable of automatically enhancing a fixing effect, and relates to the technical field of constant-temperature equipment, the constant-temperature box comprises a box body, the box body is of a hollow cuboid structure, and a pair of supporting rods are vertically mounted on the hollow inner side of the box body respectively; the two sets of outer vertical rods are fixedly mounted on the left side and the right side of the box body correspondingly; the main round rod is installed on the pair of supporting rods in a penetrating mode, and the top end of the other side of the main round rod is installed to be of a hollow cylindrical structure; the auxiliary round rod is correspondingly mounted on one side of the main round rod, so that the problems that the constant-temperature box and articles in the constant-temperature box are damaged due to the fact that the constant-temperature box is easily collided and turned on one side during transportation, and meanwhile, the articles such as reagents needing constant temperature cannot be rotated by 360 degrees in the constant-temperature box, so that the constant-temperature box is inconvenient to transport are solved. And an object needing constant temperature is located at a fixed position for a long time, so that the heated temperature is not uniform.

The invention discloses a manufacturing method of a metal bonding agent horseshoe block. The method comprises the steps of manufacturing a bottom plate; mounting grinding heads; a mounting a support portion; and manufacturing a support. The support portion is installed, so that the integrated forming of the support is facilitated, the injection molding efficiency is improved, and meanwhile, the included angles among the three groups of grinding heads are sequentially increased and the grinding heads are arranged on the surface of the support to ensure the excellent cooling effect of the metalbonding agent horseshoe block.

The invention relates to a switch cabinet with multi-layer support boards, including a cabinet body, a fixed plate assembly 1, a fixed plate assembly 2 and a cabinet door. One external surface of thecabinet body is fixedly connected with a cabinet door; the internal bottom surface of the cabinet body is fixedly connected with the fixed plate assembly 1; the internal upper surface of the cabinet body is fixedly connected with the fixed plate assembly 2; the fixed plate assembly 1 includes a fixed bottom plate, a reinforcing rod 1 and a reinforcing rod 2; the peripheral surface of the fixed bottom plate is fixedly connected to the inner surface of the cabinet body; the upper one side surface of the fixed bottom plate is fixedly connected with the reinforcing rod 1; the upper other side surface of the fixed bottom plate is fixedly connected with the reinforcing rod 2; two sides of the reinforcing rod 1 in the length direction are respectively provided with a fixed block 1; and two sidesof the reinforcing rod 2 in the length direction are respectively provided with a fixed block 2.

The invention discloses a bolt stretching device which comprises a hydraulic cylinder, a stretching rod and a stretching nut. The cross section of a cylinder body of the hydraulic cylinder is annular, a cavity is defined by the cylinder body of the hydraulic cylinder, and the end face of a piston of the hydraulic cylinder forms an ejecting face. An inner thread is arranged at one end of the stretching rod, and the other end of the stretching rod penetrates through the cavity and is provided with an outer thread. The stretching nut is composed of a first nut sleeve buckle and a second nut sleeve buckle. When the first nut sleeve buckle and the second nut sleeve buckle are locked together, an inner thread of the first nut sleeve buckle and an inner thread of the second nut sleeve buckle form an inner thread matched with the outer thread of the stretching rod together, and the end face, close to the hydraulic cylinder, of the stretching nut is provided with a stress face matched with the ejecting face so that the stretching nut can move under the ejecting of the piston in the direction parallel to the axial direction of the hydraulic cylinder. The bolt stretching device achieves the technical purpose that the defects that the connection operation of a stretching nut of an existing bolt stretching device and a bolt to be stretched is complex and consumes much time are overcome, and the bolt stretching device is easy and convenient to use and capable of achieving quick connection of the stretching nut and the bolt.

The invention discloses a hydraulic stretching device which comprises a hydraulic cylinder and a stretching nut. The cross section of a cylinder body of the hydraulic cylinder is annular, a cavity for one end of a bolt to be stretched to penetrate is defined by the cylinder body of the hydraulic cylinder, and the end face of a piston of the hydraulic cylinder forms an ejecting face. The stretching nut is composed of a first nut sleeve buckle and a second nut sleeve buckle. When the first nut sleeve buckle and the second nut sleeve buckle are locked together, an inner thread of the first nut sleeve buckle and an inner thread of the second nut sleeve buckle form an inner thread matched with an outer thread of the bolt together, and the end face, close to the hydraulic cylinder, of the stretching nut, is provided with a stress face matched with the ejecting face so that the stretching nut can move under the ejecting of the piston in the direction parallel to the axial direction of the hydraulic cylinder. The hydraulic stretching device achieves the technical purpose that the defects that the connection operation of a stretching nut of an existing hydraulic stretching device and a bolt to be stretched is complex and consumes much time are overcome, and the hydraulic stretching device is easy and convenient to use and capable of achieving quick connection of the stretching nut and the bolt.

The invention discloses a high-water-pressure soil layer anchor cable supporting construction method. The high-water-pressure soil layer anchor cable supporting construction method comprises the following steps that S1, site investigation is conducted, specifically, the site investigation is conducted on a site, site construction safety is guaranteed, gas pipelines and optical cable lines in a wall are removed, a water supply and power supply site capable of meeting construction requirements is established, a clean and barrier-free construction road is cleaned out, and safety signs are arranged around the site; and S2, drilling operation is conducted, specifically, a drilling machine enters the site and stays at the flat position, if the position is uneven, leveling is conducted, the operation stability of the drilling machine is ensured, a pile casing is buried at the drilling position, and drilling is conducted. The manual labor intensity is effectively reduced, the construction convenience is improved, and the process level is high, so that the installation method of an anchor cable is quick and convenient, has the advantages of stability and high strength, is high in safety and reliability, can be widely popularized, has the effects of high sealing performance and long service life, and effectively improves the adaptability of the anchor cable.