9results about How to "Prevent side to side movement" patented technology

This application discloses a grinding wheel shaft assembly mechanism for a grinding machine. The grinding wheel shaft assembly mechanism includes: a grinding wheel shaft, a grinding wheel, a drive unit, and a fixing unit. The drive unit drives the grinding wheel shaft to rotate. The grinding wheel shaft is provided with a front top sleeve and a rear top sleeve, which are respectively sleeved on the grinding wheel shaft. The ends of the grinding wheel abut against the front top sleeve and the rear top sleeve, respectively. The fixing unit includes a first bearing seat, a grinding wheel shaft guide sleeve, a first nut, and a second nut. The first bearing seat is provided with a mounting hole, and the grinding wheel shaft passes through the mounting hole. The grinding wheel shaft guide sleeve is sleeved on the grinding wheel shaft. The second nut is sleeved on the grinding wheel shaft guide sleeve and is sandwiched between the first nut and the second nut. The second nut is connected to the grinding wheel shaft guide sleeve, and the grinding wheel shaft guide sleeve is connected to the grinding wheel shaft. The first nut and the second nut are respectively located on both sides of the first bearing seat. The first nut and the second nut are suitable for fixing the grinding wheel shaft guide sleeve on the first bearing seat. The grinding wheel can be easily and quickly assembled and disassembled through the fixing unit.

This utility model discloses a steel bar processing equipment for construction engineering, including a bending machine body, a protective component, and a pushing component. The protective component includes a bending disc disposed on top of the bending machine body. A support block is fixedly connected to the rear side of the bending machine body. A protective frame is movably connected to the top of the bending machine body via a hinge. The protective frame is located on top of the bending disc. A magnet is fixedly connected to the top of the bending machine body, and the rear side of the magnet is attracted to the front side of the protective frame. An observation window is fixedly connected to the top of the protective frame, and a handle is fixedly connected to the top of the protective frame. The surface of the handle is provided with anti-slip texture. This utility model utilizes the protective component to protect the bending disc and the steel bar, preventing the steel bar and the bending component from being exposed to the outside environment during bending, avoiding contact between external objects and the operating bending component, and preventing debris generated during bending from flying everywhere, thus ensuring high safety.

This utility model discloses a novel flexible cable, relating to the field of cable technology, comprising: a cable body, a shielding layer, an mounting layer, an anti-corrosion layer, a waterproof layer, and an outer protective layer. The shielding layer is made of aluminum foil, the mounting layer is made of steel wire, the anti-corrosion layer is made of cold-dip galvanized steel, the waterproof layer is made of polyvinyl chloride (PVC), and the outer protective layer is made of polyurethane. The outer protective layer is abrasion-resistant. This utility model improves the performance of the cable body through the installation of multiple layers. The aluminum foil shielding layer prevents external signals from interfering with the normal operation of the cable body. The cold-dip galvanized anti-corrosion layer improves the anti-corrosion performance of the cable body, preventing damage from rain or moisture. Simultaneously, the PVC waterproof layer improves the waterproof performance of the cable body, and the polyurethane outer protective layer improves the abrasion resistance of the cable body, significantly enhancing the overall performance of the cable body.

The utility model relates to the technical field of cable laying, in particular to an assembly type multifunctional cable adapter device which comprises a frame body, a driving mechanism, a limiting mechanism and four rotating wheels, the four rotating wheels are all located above the frame body, and the driving mechanism comprises a rotating assembly and two rotating rods. The limiting mechanism comprises a moving assembly, two limiting rollers and two guiding assemblies, four rotating wheels are arranged, baffles on the two sides of the cable drum can be effectively supported, stable erecting of the cable drum is achieved, and compared with the mode that a rotating shaft penetrates through the cable drum to achieve erecting of the cable drum in the prior art, the cable drum erecting efficiency is improved. The supporting capacity of the erecting mode is higher, so that the cable drum is more stable during paying off, and the cable drum can be matched with cable drums of different specifications.

The utility model discloses a nursing bed storage combination cabinet, including the cabinet body, be equipped with the sterilization device in the cabinet body, the left and right sides of cabinet body front and / or back near side wall department is equipped with the connecting groove that penetrates cabinet top and / or bottom, under the state of the left and right close combination of two different cabinet bodies, including the connecting strip of two ends in the connecting groove of two different cabinet bodies respectively on each other's near, be equipped with the placing groove for placing the side wall outer edge of two different cabinet bodies each other's close in the connecting strip. The width of connecting groove in the cabinet body is greater than the width of connecting groove on the surface of cabinet body. The utility model can carry out the separate storage of nursing bed, and can effectively utilize height space and horizontal space to standardize the arrangement of each nursing bed, and can carry out the disinfection treatment of nursing bed.

Hoisting equipment with a parapet wall protection device comprises an electric hoisting assembly and a protection frame body clamped and fixed to a parapet wall, the electric hoisting assembly comprises a motor and a hoisting rope, and the protection frame body comprises inverted-U-shaped frame bodies symmetrically arranged on the two sides and angle steel protection pieces used for connecting the inverted-U-shaped frame bodies on the two sides. Notches of the two angle steel protection pieces are oppositely clamped and fixed at external corner parts on two sides of the upper end surface of the parapet wall respectively; the inverted-U-shaped frame body comprises vertical rods and a right-angle triangular limiting frame which are located on the two sides of the parapet wall respectively, and a transverse rod connected between the vertical rods and the right-angle triangular limiting frame on the two sides and on the upper end face of the parapet wall. The steel wire rope can be effectively prevented from moving left and right, another single steel wire rope or a limiting rod penetrates through the fixing hole of the lug plate to prevent the steel wire rope from crossing the fixing plate, and the safety performance is good.

The utility model relates to the field of coal -fired boiler production technology discloses a steam waste heat recovery device for coal -fired boiler production, including exchange device and processing jar body, the left and right sides of processing jar body are installed with the connecting pipeline, the exchange device is installed in the inside of processing jar body, the exchange device includes trachea, baffle and support device, the support device is installed in the top of trachea, the baffle is connected in the surface of trachea. This steam waste heat recovery device for coal -fired boiler production is provided with connecting plate, metal slide rail, metal sheet and vertical threaded rod, and the vertical threaded rod can limit the metal slide rail and connecting plate, can hold and fix trachea, when trachea conveys gas, can avoid trachea left and right movement, conveniently operates trachea, can keep the stability of trachea, can protect the safety of trachea, avoids the damage of trachea to increase the use time of the device.

The utility model discloses a kind of aluminium alloy heat dissipation structures for photovoltaic power generation inverter, this structure aims at solving the problem that the heat dissipation performance of existing photovoltaic inverter shell is poor, internal heat is difficult to transfer to outside, reduces inverter conversion efficiency. The structure includes shell, shell is U-shaped structure and left and right sides are equipped with aluminium alloy radiator, the back of shell is detachably installed with backplate, aluminium alloy radiator includes aluminium alloy main body, and aluminium alloy main body is equipped with multiple heat dissipation holes. The utility model is installed aluminium alloy radiator in the left and right sides of shell, and multiple heat dissipation holes and heat dissipation fins are set on the aluminium alloy main body of aluminium alloy radiator, can increase the contact area with air, when air flows through the gap between heat dissipation hole and heat dissipation fin, thereby faster make internal components to outside heat dissipation, increase the heat dissipation area of inverter shell, reduce the energy loss of photovoltaic power generation inverter.

The utility model discloses a stone material curtain wall positioning adjusting support, including stand, both sides of the stand inner side are all installed with crossbeam, both sides of the crossbeam outer surface are all slidingly connected with support seat, and the outer surface of support seat is close to the side of crossbeam and is equipped with the adjusting groove. This stone material curtain wall positioning adjusting support, through the setting of support seat, guide groove and the setting of holder, adjusting groove can make support seat move before and after crossbeam surface, and then adjust the front and back position of stone material, and guide groove can adapt to the position change of support seat and adjusting bolt horizontal direction left and right, and then adjust the left and right position of stone material, realize the two -way adjusting function of stone material in front and back and horizontal direction, ensure that stone material can reach accurate alignment in each direction, and the clamping of support seat is avoided after stone material installation and moves left and right, and under the action of spring, the limiting block can be clamped in the inside of limiting groove, and the up and down swing of holder is avoided, and then ensure that the connection of stone material is more firm.