9results about How to "Strong bite" patented technology

The invention provides a rotating wheel of an open type steel bar wrench. The rotating wheel comprises an open rotating wheel body, a sliding way A, a sliding way B, a clamping head A and a clamping head B, the front end of the open runner is provided with a radial opening; gear teeth are arranged on the outer circumference of the opening rotating wheel; the slideway A is obliquely arranged on the upper end face of the opening runner and located on one side of the radial opening; the slideway B is arranged on the upper end surface of the opening rotating wheel and is positioned on the other side of the radial opening; the clamping head A is mounted in the slide way A in a sliding manner; the clamping head B is mounted in the slide way B in a position-adjustable manner; the steel bar is clamped through the cooperation of the clamping head A and the clamping head B; the clamping head A and the clamping head B are located at the upper end of the opening rotating wheel and exposed, the structure is simple, meanwhile, the position of the clamping head B can be conveniently adjusted, the tool storage cost of a construction site and the time cost for searching and matching external tools do not need to be additionally increased, the abrasion conditions of the clamping head A and the clamping head B are easy to observe, and replacement is easy.

The utility model provides a street lamp pole connecting device with windproof and shock resistance, include: a connecting base, the upper portion of connecting base has the boss, be equipped with one upper locating cylinder on the boss, the lower portion of connecting base has a lower locating cylinder, locating cylinder outer wall is equipped with a plurality of occlusal muscle, upper locating cylinder and lower locating cylinder are through, a connecting support, the connecting support includes annular arrangement's support rod, the top of support rod exceeds upper locating cylinder, support rod annular arrangement is outside upper locating cylinder, the top of support rod is fixed with support ring, support ring outer wall is set up with screw hole, and is connected through screw and lamp pole fixedly. This lamp pole connecting device simple structure can effectively realize windproof and shock resistance, and the lamp pole is not easy to break, and the service life is longer.

The utility model discloses a multifunctional adjustable wrench which comprises a wrench body, one end of the wrench body is provided with an outer hexagonal adjusting portion, and the other end of the wrench body is provided with an inner hexagonal adjusting portion. The outer hexagonal adjusting part comprises a hexagonal wrench hole and a movable adjusting plate; the head part of the adjusting plate is provided with a fork opening which can extend into the hexagonal wrench hole and is matched with the hexagonal wrench hole; the inner hexagonal adjusting part is provided with a plurality of hexagonal sleeves arranged in a sleeved mode and a hexagonal column in the middle, the adjacent hexagonal sleeves are in sliding connection, and the hexagonal column and the adjacent hexagonal sleeves are in sliding connection. The first hexagonal sleeve on the outermost side is fixed to the wrench body, and the hexagonal sleeve on the inner side and the hexagonal column can slide out towards the other side of the wrench body relative to the first hexagonal sleeves. By means of the linkage design of the outer hexagonal adjusting part and the inner hexagonal adjusting part, rapid matching of the sizes of nuts and bolts is achieved, a single tool can replace various tools such as a traditional fixed open spanner and a socket spanner, and carrying burden is remarkably reduced.

The invention relates to the technical field of fruit picking, and particularly discloses an intelligent agricultural fruit picking device which comprises a handheld rod, a vibration motor is fixedly connected to the outer surface of the upper end of the handheld rod, an occlusion part is arranged at the upper end of the vibration motor, and the occlusion part can occlude and fix branches of a fruit tree. Therefore, the vibration strength can be automatically adjusted according to the thickness of the branches, damage to fruit trees is reduced on the premise that the fruits are shaken off, the thickness of the fruit tree branches is detected in real time through the measuring part, the strength of the vibration motor is automatically adjusted, it is ensured that the fruits are shaken off efficiently, and meanwhile damage to the fruit tree branches is reduced; double optimization of picking efficiency and tree protection is achieved, the picking efficiency and fruit tree protection are both considered, the design that a driving motor is matched with a threaded rod to drive a lower closing plate to move is adopted, the self-locking function is combined, the device can adapt to branches of different thicknesses, stable meshing is achieved, vibration force is effectively transmitted, and the picking efficiency is improved.

The utility model discloses a kind of depth adjusting mechanism of track saw, it is related to the technical field of track saw, it includes mounting bracket;The first end of electric saw support is vertically rotatablely connected in the mounting bracket;Arc-shaped guide rail is fixedly arranged in mounting bracket and is provided with arc-shaped guide slot, and arc-shaped guide rail is provided with arc-shaped rack parallel to arc-shaped guide slot;Baffle block component, baffle block component includes: limit stop, limit stop is arranged in arc-shaped guide rail, limit stop can be moved along arc-shaped guide slot, the second end of electric saw support is abutted on the upside of limit stop;Locking block, locking block is arranged in arc-shaped guide rail side away from limit stop, and locking block is provided with the locking tooth of meshing with arc-shaped rack;Unlock button, unlock button is arranged in arc-shaped guide rail side away from locking block and is connected locking block;Unlock button can be moved close to or away from arc-shaped guide rail.The utility model compact structure, layout is reasonable, it is convenient for user to adjust the cutting depth of track saw.

The utility model discloses a cable grounding device, apply to wiring device technical field, including the shielding ring of inside having inner annular groove, the contact finger spring of being sleeved in the inner annular groove, after the shielding layer of cable is turned over and enters the shielding ring, the inside of contact finger spring is contacted with the shielding layer and the shielding layer partial shielding silk is embedded in the contact finger spring, the outside of contact finger spring is extruded contact with the inner annular groove, still include the metal shell of with shielding ring outer wall passes through O type ring connection, the sealing ring, the clamping claw and the galling nut of being connected in proper order in the front end of metal shell, and with the connecting nut assembly of metal shell rear end connection. This cable grounding device can fix the shielding layer of cable, and the production assembly is convenient, and shielding connection is stable and reliable.

This utility model discloses an anti-loosening quick-installation and quick-disassembly locking device, belonging to the field of locking and installation technology. The utility model includes a lower base, sliding locking blocks, and an upper base. The lower base has three first slide rail positions and two second slide rail positions. Three sliding locking blocks are provided, with first and second sliders respectively located on both sides of the bottom end of each sliding locking block. Through optimization and upgrades, the design of the three sets of sliding locking blocks allows for smoother thread engagement and more stable function. It can be used for the installation of ordinary faucets as well as faucets with 2-4 hoses. The product can be pre-installed with hoses and tested for sealing before leaving the factory, eliminating the need to remove the hoses, improving product yield and reducing customer complaints. It achieves quick installation and disassembly, greatly reducing labor costs. The installed product effectively prevents loosening, solving the problem of loosening at its source. It is highly practical, low-cost, and suitable for widespread application.

The present application relates to the field of prefabricated concrete pile production, and specifically discloses a preparation method of a centrifugal reinforced prestressed solid square pile, comprising: mold pretreatment and cage reinforcement assembly, primary high-strength concrete distribution, mold closing and prestress tensioning, five-stage gradient centrifugal forming, residual slurry and impurity discharge, pile core high-strength concrete grouting and densification, and high-pressure steam curing. The present application uses gradient centrifugation to compact the outer layer of the pile body concrete layer by layer and uniformly arrange the aggregate, eliminates the soft interlayer of the pile core by discharging the residual slurry, and then fills the internal voids by secondary grouting of the pile core and low-speed centrifugal compaction, forming a full-face homogeneous structure with dense outer layer and high-strength core. Finally, the high-pressure steam curing strengthens the overall performance. The present application effectively solves the technical defects of uneven cross-section density and high core porosity caused by the traditional vibration process, significantly improves the compressive strength, bending performance and structural stability of the pile body, and is suitable for industrialized mass production.