9results about How to "Avoid punching" patented technology

The utility model belongs to the field of building construction, and particularly relates to a ditch cable trough template fixing device relying on a duct piece bolt, which comprises a cross beam and a carrying pole beam arranged on the cross beam in a sliding mode. The two ends of the cross beam are connected with circumferential bolts of the duct pieces; and the carrying pole beam is connected with a pressing beam of the ditch cable trough template. According to the device, on the premise that expansion bolts are forbidden to be arranged on the concrete duct piece in a driving mode, operability and convenience of reinforcement of the ditch cable trough formwork are fully considered, potential quality hazards are eliminated, applicability of the ditch cable trough formwork is enhanced, the quality requirement for protection of a finished concrete duct piece product is met, it is ensured that the duct piece is attractive in appearance, and the overall image of a tunnel is improved.

The present application relates to a reinforced concrete pillar and a method for blasting demolition of a structure, which forms a door hole by breaking a supporting cylinder wall of a high-rise structure, replaces the supporting system of the door hole with an axial pre-buried hole reinforced concrete pillar, and simultaneously charges and blasts in the pre-buried hole while drilling and charging in the remaining supporting cylinder wall, thereby achieving the blasting demolition of the high-rise structure. The present application can greatly improve the safety of blasting demolition, ensure the accuracy of directional collapse, greatly reduce the consumption of explosives and detonators, simplify the blasting network and charging operation, greatly reduce the blasting vibration and blasting dust, and achieve a more green blasting demolition. The present application is suitable for the blasting demolition of high-rise structures such as chimneys, water towers and silos made of bricks, concrete and reinforced concrete, and has a wide range of applications.

The utility model relates to the technical field of production and manufacturing, and discloses a lamp post. The lamp pole can be installed on a to-be-installed position of a steel platform, and the lamp pole comprises a base and a clamping assembly. The base is provided with a containing cavity with a downward opening. The clamping assembly comprises a first driving part and two clamping plates, the first driving part and the clamping plates are arranged in the containing cavity, the two clamping plates are arranged in the first direction in a spaced mode, the to-be-installed position can stretch into the position between the two clamping plates, and the first driving part is connected to the two clamping plates in a driving mode and used for driving the two clamping plates to be close to or away from each other. The lamp post is fixed on the steel platform, so that the lamp post is fixed, the lamp post can be effectively prevented from toppling over due to external force such as strong wind, equipment vibration or personnel collision, meanwhile, punching of the steel platform is avoided, and the reliability of the steel platform is improved.

The utility model discloses a windless rope sky curtain, which relates to the technical field of sky curtains, and comprises a curtain, a connecting belt, a first fixing belt, a second fixing belt, a connecting piece, a supporting column and ground nails, the connecting piece is arranged on the supporting column, one end of the connecting belt is arranged on the curtain, and the other end of the connecting belt is reversely folded and fixedly arranged on the connecting belt to form a first connecting buckle; the ground nail is arranged in the first connecting buckle, the first fixing band is arranged between the curtain and the connecting piece and used for connecting the curtain and the connecting piece, one end of the second fixing band is arranged on the connecting piece, and the ground nail is arranged at the other end of the second fixing band and used for fixing the second fixing band. Through the arrangement of the connecting belts and the first fixing belts, punching on the curtain is avoided, so that the possibility that the curtain is damaged can be reduced, meanwhile, the second fixing belts are arranged on the connecting pieces and do not make direct contact with the curtain, the tensile force borne by the curtain is reduced, and the possibility that the curtain is damaged is further reduced.

The utility model relates to oral medical equipment field discloses a dental bone filling material stirrer, including main unit, connecting unit, fixed unit, the connecting unit sets up below the main unit, the fixed unit sets up in the outside of connecting unit, the utility model discloses through with the rotation of the ring rotation less than one circle amplitude can complete the installation or disassembly between connecting head no.

The utility model provides a towel rack, which relates to the field of towel rack equipment and comprises a mounting rack, a hanging rack and an extension rack, the negative pressure fixing assembly comprises a through hole formed in the mounting frame, the through hole is fixedly connected with a containing column, the interior of the containing column is in threaded connection with a lead screw, and the end, close to the containing column, of the lead screw is fixedly connected with a piston; the limiting assembly comprises a clamping groove formed in the mounting frame, a mounting plate is arranged on the clamping groove, and sliding grooves are formed in the upper end and the lower end of the mounting plate; according to the design, through negative pressure adsorption, the problem that a traditional towel rack needs to be punched or fixed in other modes is solved, damage to the wall is avoided, mounting and dismounting are more convenient and faster, the stability of the towel rack is enhanced through the synergistic effect of negative pressure adsorption and the limiting assembly, firmness can be kept even when heavy objects are hung, and the towel rack is not prone to being damaged. The problem that a traditional towel rack is prone to loosening or falling off is solved.

The utility model discloses a road bridge concrete structure monitoring device, which comprises a mounting piece, the upper end of the mounting piece is provided with a hanging plate used for being lapped at the upper end of a road pier, the hanging plate is provided with a first pipe clamping part, and the lower end of the mounting piece is provided with a mounting seat located below the road pier; the clamping piece is provided with an attaching plate used for being attached to the upper end of the road pier, the attaching plate is provided with a second pipe clamping part, and the second pipe clamping part is connected with the first pipe clamping part through a fastener so as to clamp a handrail at the upper end of the road pier; and the camera is fixedly mounted on the mounting seat. By means of a non-intrusive installation mode, punching on bridge concrete is avoided, installation is convenient, damage to a bridge structure is reduced, and installation convenience is improved. And the camera is fixedly mounted on the mounting seat and can monitor the bottom surface of the bridge in real time. And during mounting, the camera and the mounting piece can be mounted together firstly, and then the mounting piece and the clamping piece are connected and fixed, so that the mounting can be completed, and the mounting and fixing of the camera can be completed without suspending or climbing operation.

This utility model belongs to the technical field of cigarette equipment, and discloses a cigarette tray fixing mechanism and a cigarette pack collecting device. The cigarette tray fixing mechanism includes a first fixing component and a second fixing component. The first fixing component includes a first fixing member for fixing to a wall, and the cigarette tray can be placed on the first fixing member. A limiting protrusion is provided at the end of the first fixing member away from the wall, and the limiting protrusion extends upward. The end of the cigarette tray facing away from the wall can abut against the limiting protrusion. The second fixing component includes a second fixing member and a snap-fit ​​member. The second fixing member is disposed above the first fixing member and is used for fixing to the wall. The snap-fit ​​member is rotatably connected to the second fixing member, and the end of the cigarette tray away from the first fixing member can abut against the side of the snap-fit ​​member facing the wall. By fixing the cigarette tray with the cigarette tray fixing mechanism, drilling holes in the cigarette tray can be avoided, and the cigarette tray can be easily installed and disassembled. Fixing both the upper and lower ends of the cigarette tray improves the fixing strength of the cigarette tray.

The utility model provides a kind of roof tent top cover structure, including roof, tent mounting rack, the tent mounting rack includes the section bar being cooperated with the outer edge of roof and is enclosed, the section bar upper part or all is equipped with the pressing plate for compacting and fixing roof on section bar. The utility model compactly fixes roof by pressing plate, avoids roof punching connection, reduces roof loss, guarantees the stability and fixity of tent mounting rack installation.