33results about How to "Ensure connection security" patented technology

The invention relates to the technical field of buildings, and provides a steel plate strip suspension bridge and a construction method thereof. The steel plate strip suspension bridge comprises a bridge body and two conversion connecting devices; the bridge body comprises steel plate strips; and each conversion connecting device comprises an anchoring connecting piece and a steel plate strip connecting piece, the anchoring connecting pieces are connected with the anchor cable devices, and the steel plate strip connecting pieces are connected with the ends of the steel plate strips. The steel plate strip suspension bridge construction method comprises the following steps: constructing the bridge body, laying or hoisting the steel plate strips in the span direction of a to-be-constructed bridge body, and constructing the anchor cable devices on the two banks of the to-be-constructed bridge body; assembling the two conversion connecting devices; and connecting the steel plate strip connecting piece to the ends of the steel plate strips, and connecting the anchoring connecting piece to the anchor cable device. The suspension bridge has the beneficial effects that: the structure of the suspension bridge is simplified, the size is reduced, the suspension bridge is more attractive and ornamental, the steel consumption is small, the construction cost is reduced, and later maintenance is convenient.

The invention discloses a construction mortar pretreatment equipment based on hollow plastered base layer lining, the structure of which comprises: a discharge chute, a collection box, a mortar lining ladder groove, a long bucket groove, a supporting column plate, and a motor , Base bottom plate, the present invention realizes the use of mortar-lined ladder grooves to cooperate with the long groove of the tipping bucket to form a superimposed and extended scraping effect through the insertion of the stacked lining plate fan frame, ensuring that the air layer enclosed by the mortar passes through the stacked lining plates The fan frame forms the output effect of the wall-attached board along the way, and then continuously discharges the gas trapped in the mortar through the drainage extraction board, so that the purity and viscosity of the overall fluid can be reconciled to a certain extent, and the ejection effect of the fan body of the stacked board is realized. It is convenient for the semi-circular agitation fluid to form a lifting effect of the circulation output, which ensures the uniformity of the lowered material and the extracted material in the trapezoidal tank, and effectively avoids the hollowing of the mortar entrained gas to achieve the compactness of the mortar quality.

The invention provides a semi-trailer traction saddle. The semi-trailer traction saddle is characterized in that a left frame support beam and a right frame support beam are symmetrically arranged outside a frame, a left saddle bracket and a right saddle bracket are correspondingly connected onto the left frame support beam and the right frame support beam through bolts I, and a saddle is connected onto the left saddle bracket and the right saddle bracket; a left saddle inclined block and a right saddle inclined block are correspondingly arranged on the inner sides of the left saddle bracket and the right saddle bracket, the bottom surface of the left saddle inclined block and the bottom surface of the right saddle inclined block are attached to the plane of the frame, the inclined plane of the left saddle inclined block and the inclined plane of the right saddle inclined block are attached to the inner inclined plane of the left saddle bracket and the inner inclined plane of the right saddle bracket respectively, and the saddle inclined blocks are connected with the left saddle bracket and the right saddle bracket through transverse bolts II respectively. According to the semi-trailer traction saddle, a saddle mounting plate is omitted, the saddle support bodies, namely the saddle brackets, are connected with the frame support beams through the bolts; in a use process, vertical load applied to the saddle is transmitted to the frame through the saddle brackets and the saddle inclined blocks, and the frame and the frame support beams bear vertical pressure; stress generated through height difference clearance is reduced while the cost is reduced, and connection safety and use safety of the saddle are guaranteed.

The invention discloses a fall-proof U-shaped foot pin for an iron tower and a use method thereof. The fall-proof U-shaped foot pin for the iron tower comprises a U-shape foot pin and a limiting plate, wherein the U-shape foot pin is arranged on a steel frame of the iron tower, end 1 of an open end of the U-shaped foot pin is fixedly connected with the steel frame, end 2 of the open end of the U-shaped foot pin is connected with the lower portion of the limiting plate, the two ends of the open end of the U-shaped foot pin are vertically arranged, the upper portion of the limiting plate passes through the end 1, and fixedly connected with the steel frame together with the end 1 in close mode, and a limiting groove clamped on the steel frame is formed in the back side of the lower portion of the limiting plate. By using the U-shaped foot pin and the limiting plate, the fall-proof U-shaped foot pin for the iron tower can be conveniently and quickly installed on the steel frame, saves a process of manufacturing holes in the steel frame, and is convenient to assemble and unassembled and maintain. Especially for remolding of a traditional reinforcing steel bar foot pin, an existing installation through hole is used, and then the limiting plate and the U-shaped foot pin can be conveniently and quickly installed on the steel frame of the iron tower, remolding is easy, shinning safety of the traditional iron tower and reliability of the foot pin are greatly improved, remolding cost is low, and the fall-proof U-shaped foot pin for the iron tower further has the advantages of being simple in structure and low in cost.

The invention discloses an emission control device for a sliding test in a small water tank. The emission control device for the sliding test in the small water tank comprises a frame, a test slider,a driving device and a control device. The test slider and the driving device are mounted on the frame. The driving device comprises two parallel guide rods fixedly mounted on the frame, a magnetic impact slider slidably sleeved on the two guide rods, springs sleeved on the guide rods, and a magnetic field generator arranged on the frame. One end of the magnetic impact slider presses against the springs. The test slider is slidably mounted on the two guide rods. The output end of the control device is electrically connected with the magnetic field generator. The invention discloses an emissioncontrol method. When the magnetic field generator is powered on, the magnetic field generator pulls in the magnetic impact slider to drive the magnetic impact slider to compress the springs; and whenthe magnetic field generator is powered off, the springs push the magnetic impact slider, and the magnetic impact slider impacts the test slider to slide. The emission control device converts elasticpotential energy into kinetic energy to provide power, and has the advantages of simple structure, simple operation and high safety.

The invention discloses a metal roof installation structure and a construction method designed based on BIM technology, belonging to the field of building roofs. It includes several groups of roof units and installation frames connecting two adjacent roof units. The opposite sides of the two adjacent groups of roof units are provided with fixing pieces, and the length of the upper edge of each side wall of each fixing piece is There are installation grooves in both directions, and connecting angle claws are installed on both sides of the installation frame. One end of the connecting angle claws is slidably set with the push block, and the other end is adapted to the installation groove after rotating a certain angle. , the inner side wall of the installation frame is provided with a guide groove, and a push block is slidably arranged inside the guide groove, and the two ends of the push block are respectively installed in rotation with the corresponding connecting claws, and the installation frame is provided with a set for fixing Push the lock of the block. The whole structure and operation are convenient for construction, achieve the effect of reliable connection, and meet the design requirements of structural strength and safety.

The invention relates to the field of brick curtain walls and in particular relates to an open-type dry hanging stone brick curtain wall. The open-type dry hanging stone brick curtain wall comprises a keel, more than two inside stone bricks arranged at the inner side of the keel, and more than two outside stone bricks arranged at the outer side of the keel, wherein the left wall of the keel is provided with a group of uniformly-arranged left fin plates; the right wall of the keel is provided with a group of uniformly-arranged right fin plates; the left fin plates and the right fin plates are arranged alternately, and the vertical distance between a left fin plate and a right fin plate which are adjacent vertically is a preset value; the inner side and outer side of each left fin plate are fixedly provided with an inside stone brick and an outside stone brick respectively; and the inner side and outer side of each right fin plate are fixedly provided with an inside stone brick and an outside stone brick respectively. The scheme effectively avoids the machining error, ensures the smooth installation of the stone bricks, effectively guarantees the construction quality and safety, and meanwhile reduces the construction difficulty and engineering cost input.

The invention relates to the field of brick curtain walls and in particular relates to an open-type dry hanging stone brick curtain wall. The open-type dry hanging stone brick curtain wall comprises a keel, more than two inside stone bricks arranged at the inner side of the keel, and more than two outside stone bricks arranged at the outer side of the keel, wherein the left wall of the keel is provided with a group of uniformly-arranged left fin plates; the right wall of the keel is provided with a group of uniformly-arranged right fin plates; the left fin plates and the right fin plates are arranged alternately, and the vertical distance between a left fin plate and a right fin plate which are adjacent vertically is a preset value; the inner side and outer side of each left fin plate are fixedly provided with an inside stone brick and an outside stone brick respectively; and the inner side and outer side of each right fin plate are fixedly provided with an inside stone brick and an outside stone brick respectively. The scheme effectively avoids the machining error, ensures the smooth installation of the stone bricks, effectively guarantees the construction quality and safety, and meanwhile reduces the construction difficulty and engineering cost input.

The invention relates to a composite wallboard for a fabricated steel structure building. The composite wallboard for the fabricated steel structure building sequentially comprises an aerated concreteboard base layer, an interface processing layer, a bonding layer, an insulating layer, a protecting layer and an anti-cracking face layer from bottom to top, wherein the aerated concrete board base layer and the insulating layer are composited together through the interface processing layer and the bonding layer in a bonding manner, the heat preservation mortar protecting layer is poured on the upper surface of the insulating layer, and the insulating layer is completely wrapped by the protecting layer; and the anti-cracking face layer is painted or sprayed to the upper side of the protectinglayer, and the protecting layer, the insulating layer and the aerated concrete board base layer are mechanically anchored together through plastic anchor bolts. According to the composite wallboard for the fabricated steel structure building, the aerated concrete board base layer has the advantages that the manufacturing material source is wide, materials are stable and the like, machinability isgood, the problems of heavy object nailing and hanging on a wall and groove forming and pipeline distributing are solved, and the requirement for the wall thermal performance at cold and severe coldareas is met; and meanwhile, the composite wallboard for the fabricated steel structure building also has the characteristics of being small in weight, low in cost, simple in connection structure, convenient to construct and install and the like and is suitable for an outer wall of the fabricated steel structure building.

A bidirectional cable network address management system and its method is to manage the internal address of the client terminal entering into network. The client terminal includes a bidirectional modem with a first access control address, a computer linked on it with a second access control address, a modem head-end, a dynamic host composite mode protocol server connected to the modem head-end receiving the first and second access control address, allocating and sending the first and second IP address of the client terminal according to the first and second access address. If the first and second access control addresses are not stored in the dynamic composite mode protocol server, the IP address is the unregistered first IP addrss, the second IP address is the unregistered second IP address.

This application relates to the field of construction technology, and provides a conversion connection device and its construction method. The conversion connection device is used to connect the anchor cable device and the steel plate belt of the suspension bridge, including the anchor connector and the steel plate belt connector, which are used to connect the suspension bridge. The anchor cable device; the steel plate belt connector includes a web and a wing plate, the wing plate is connected to the anchor section of the steel plate belt, the wing plate is connected to the web plate, and the web plate is connected to the anchor connector. The beneficial effects of the present invention are: the anchor cable device is connected through the anchoring installation plate, and then connected with the anchor section of the steel belt suspension bridge through the steel plate belt connector, so as to realize the indirect connection and fixation of the anchor cable device and the steel plate belt suspension bridge steel belt. The anchor cable device is not affected by the disturbance and vibration of the steel strip under load, which ensures the safety and reliability of the connection between the steel strip and the anchor cable device.

The invention relates to the technical field of packaging bags, and discloses a fruit protection mesh bag with a coconut windproof function. The fruit protection mesh bag comprises a fixing belt, wherein the fixing belt comprises a belt body, a ductile layer, a mounting buckle and a first reserved hole, the ductile layer is fixedly connected to the interior of the belt body, the mounting buckle is fixedly connected to the lower portion of the belt body, the first reserved hole is formed in the mounting buckle, a bolt is fixedly connected to the lower portion of the fixing belt, and the bolt comprises a nut, a first gasket, a screw rod, a second gasket and a nut cap. According to the fruit protection mesh bag with the coconut windproof function, through cooperative work of the fixing belt, the bolt, a limiting plate, a connecting base, a ferrule, a welding base, a supporting belt, a toughness strip, a supporting strip, a tray and a fixing ring, the overall toughness of the mesh bag is better improved, the mesh bag can be better matched with sizes in different growth processes through the improvement of the toughness, and the overall safety and the coating integrity of the equipment are better guaranteed.