53results about How to "Reduce the possibility of shaking" patented technology

The invention provides lawn trimming equipment for garden landscape design. The lawn trimming equipment for garden landscape design comprises a motor fixedly installed on a vehicle body, the output end of the motor is fixedly connected with a driving rod, a cutting knife is fixedly installed at the end, extending out of the vehicle body, of the driving rod, and a protective cover matched with thecutting knife is fixedly installed on the vehicle body; two handles are fixedly installed on the vehicle body, the two handles are both fixedly sleeved with anti-skid sleeves, a plurality of installation bases are installed on the vehicle body, each installation base is rotatably connected with wheels, and a plurality of lifting grooves are formed in the vehicle body. The lawn trimming equipment has the advantages that the height of the vehicle body relative to the ground can be adjusted according to requirements, so that the reserved height after lawn trimming is controlled, the application range is relatively wide, shape design of the whole lawn is facilitated, the possibility and amplitude of shaking when the lawn trimming equipment moves on uneven grassland can be reduced, the flatnessof the trimmed lawn is kept consistent, and the overall attractive degree of the lawn is ensured.

The invention relates to a cast-in-situ bored pile structure and a construction method thereof. The cast-in-situ bored pile structure comprises a steel casing, a supporting ring and two supporting rods. A fixing ring is fixed to the top of the steel casing, and a connecting assembly is arranged between the supporting ring and the fixing ring. Driving mechanisms are arranged at the two sides of thesteel casing respectively. A preparation method of the cast-in-situ bored pile structure comprises the steps that the ground is cleaned, and the position where a cast-in-situ bored pile needs to be formed is tamped; drilling is carried out, and the steel casing is embedded, wherein the peripheral side of the steel casing is sleeved with the supporting ring before the steel casing is embedded; guide rails are laid at the two sides of the steel casing correspondingly, a lead screw is rotated so that the supporting ring ascends to make contact with the fixing ring, and the supporting ring and the fixing ring are fixedly connected through the connecting assembly; and a reinforcement cage is installed in the steel casing, concrete is poured after installation is completed, and the steel casingis taken out after the concrete is condensed. By means of the cast-in-situ bored pile structure and the method, the influence of concrete pouring on the overall shape of the cast-in-place pile can bereduced.

The invention provides concrete strength detection equipment which comprises a detection equipment main body, an ultrasonic wave receiver protection cover, an ultrasonic generator protection cover andan intelligent treatment system, wherein rubber handles are fixedly mounted at both ends of the detection equipment main body; concave grooves are formed in both ends of the rubber handles; fixing rods are fixedly mounted in the concave grooves; annular soft pads are fixedly mounted at bottoms of both the ultrasonic wave receiver protection cover and the ultrasonic generator protection cover; circular grooves are formed in centers of the bottoms of the ultrasonic wave receiver protection cover and the ultrasonic generator protection cover; LED (Light Emitting Diode) detection lamps are fixedly mounted on inner side walls far away from opening ends, of the circular grooves; mounting holes are formed in centers of inner side walls far away from the opening ends, of the circular grooves. Theconcrete strength detection equipment is reasonable in design and convenient to use, and the concrete strength detection precision can be effectively improved.

The invention discloses an adjustable distribution box. The adjustable distribution box comprises a distribution box body, wherein the distribution box body comprises side plates, a top plate, a rainproof plate, a bottom plate, and a door body, wherein three groups of side plate are available, the top plate is at the upper end of the three groups of side plate, the bottom plate is at the lower endof the three groups of side plate, the rainproof plate is at the upper end of the top plate, the door body is hinged at one side of the side plate through hinges, opposite sides of the top plate andthe bottom plate are separately provided with a first chute, the first chutes are separately connected with two groups of first slide block and two groups of second slide block in a sliding manner, aseparation plate is connected between the up and down second slide blocks, a plurality of groups of first through holes and first grooves are arranged at the upper end of the separation plate at equaldistance, and one end of each of the up and down first slide blocks is connected with a first telescopic plate. The distribution box body can be moved, elongated and shortened internally, so that areas for electric elements are increased or decreased in the distribution box body according to needs.

The invention discloses a tail door lock body cover structure, and relates to the technical field of automobile accessories. A tail door lock body cover and a metal ring are arranged; the tail door lock body cover is positioned on a tail door lock assembly in a covering manner; the tail door lock body cover is positioned and arranged on a tail door sheet metal through a screw penetrating through the side edge; and the metal ring is positioned in an installation perforation on the tail door lock body cover in an embedded manner so as to realize circumferential reinforcement of the installationperforation. According to the structure, the tail door lock body cover is of an outer cover structure, so that the tail door lock assembly is prevented from being completely exposed in the field of view, and the subjective car use experience of a user is greatly improved; the tail door lock body cover is connected with the tail door sheet metal through a screw, so that the possibility of shaking of the tail door lock assembly is reduced, and the tail door lock assembly is more firm in installation; and meanwhile, the metal ring is arranged on the inner side of the installation perforation of the cover, so that the installation perforation formed by plastic materials is reinforced, the situation that the installation perforation is broken is greatly reduced, and thus the torque sag during screw installation is avoided.

The invention discloses a steel column connection perpendicularity adjuster, and particularly relates to the technical field of steel structures, which comprises two groups of adjusting devices and two groups of fixing devices, the fixing device comprises two abutting rods and a connecting assembly used for connecting the two abutting rods, the two abutting rods are used for abutting the two opposite side walls of the steel column, and the two ends of one abutting rod are connected with the two ends of the other abutting rod through the connecting assembly. The adjusting device comprises at least one adjusting rod and a locking assembly used for fixing the adjusting rod, the two ends of the adjusting rod are connected with the abutting rods in an inserted mode respectively, and at least one through hole allowing the adjusting rod to be connected in an inserted mode is formed in each abutting rod. According to the steel column connection perpendicularity adjuster, through cooperation of the abutting rod and the adjusting rod, the perpendicularity adjusting procedure is simplified conveniently, the construction time is shortened, and then the influence on the construction period is reduced.

The invention discloses a lawn trimming device for garden landscape design, comprising a motor fixedly installed on a vehicle body, an output end of the motor is fixedly connected with a driving rod, and one end of the driving rod extending to the outside of the vehicle body is fixedly installed with a cutting knife , a protective cover matched with a cutting knife is fixedly installed on the vehicle body, two handles are fixedly installed on the vehicle body, and a non-slip sleeve is fixedly sleeved on the two handles, and a non-slip sleeve is installed on the vehicle body There are a plurality of mounting seats, each of which is rotatably connected with a wheel, and a plurality of lifting grooves are arranged on the vehicle body. The advantages are: the present invention can adjust the height of the vehicle body relative to the ground as required, so as to control the reserved height of the lawn after trimming, the application range is relatively wide, the shape design of the lawn as a whole is convenient, and the speed of the lawn can be reduced. The possibility and magnitude of shaking when moving up, keep the lawn uniform after mowing, and ensure its overall beauty.

The present invention relates to the field of oil pumps, in particular to an automobile oil pump housing, which includes a lower housing, a shock absorbing support structure, an upper housing, a pre-clamping structure and a positioning installation structure, and the pre-clamping structure is connected to the lower At the side wall where the shell and the upper shell are attached, the pre-clamping structure includes a pre-clamping sealing ring, an intake pipe, an exhaust pipe, a valve, an air bag and a clamping air bag, and the top side wall of the lower shell is connected with a pre-clamping seal There is a volume cavity inside the pre-clamping sealing ring, and the clamping air bag is arranged inside the volume cavity. One end of the air intake pipe is connected to the outlet of the air bag, and the other end of the air intake pipe runs through the pre-clamping sealing ring and communicates with the clamping air bag. The automobile oil pump casing provided by the present invention has a pre-clamping structure, thereby propping up the pre-clamping sealing ring to be more closely attached to the inner wall of the surrounding plug groove, improving the sealing performance, and being able to tighten with the surrounding plug groove The friction force of the inner side wall is increased, so as to achieve the advantage of pre-clamping effect.

The invention provides a forklift and an electrolysis transportation device. The forklift comprises a vehicle body, a lifting supporting frame, a first fork arm structure and a second fork arm structure; the lifting supporting frame is arranged on the vehicle body; the first fork arm structure is arranged on the lifting supporting frame, and can move along the lifting supporting frame; and the second fork arm structure is arranged on the lifting supporting frame. According to the forklift, the first fork arm structure and the second fork arm structure are arranged on the lifting supporting frame, and the first fork arm structure can move along the lifting supporting frame, so that compared with a forklift provided with only one fork arm structure, the forklift has the advantages that the use range is wider, the use flexibility is higher, both the first fork arm structure and the second fork arm structure can enable the forklift to achieve the transportation function, and the differentactual transportation requirements can be met by moving the first fork arm structure to a corresponding position along the lifting supporting frame; and in addition, when the first fork arm structuremoves to the horizontal plane same as the horizontal plane of the second fork arm structure, a double-fork-arm structure can be formed in the horizontal plane direction, and the stability of the forklift in the transportation process can be improved.

The invention discloses a machine tool with a built-in motor, and relates to the technical field of machine tools. The machine tool is characterized by comprising a base, a motor, a lathe mechanism and a fixing device, wherein the motor is fixed at the top of the base, and the lathe mechanism and the fixing device are arranged at the top of the base; the fixing device comprises a fixing table, a fixing pipe and a transmission mechanism, wherein the fixing table is fixed to the top of the base, the fixing pipe is rotationally installed on the side, close to the motor, of the fixing table, and the transmission mechanism is arranged between the fixing pipe and the motor and used for driving the fixing pipe to rotate; a fixing cover is in threaded connection with the end, away from the fixingtable, of the fixing pipe; three mounting through holes are uniformly distributed in the peripheral surface of the fixing cover in the circumferential direction of the fixing cover; rotating shafts are rotationally installed on the opposite inner sides of the mounting through holes correspondingly, and abutting parts are fixed to the opposite ends of the two adjacent rotating shafts; and an abutting mechanism used for driving the corresponding abutting part to rotate towards the side close to the fixing pipe is arranged between each abutting part and the fixing pipe. According to the machine tool with the built-in motor, the problem that the concentricity of the main shaft of the motor is influenced is solved, and the effect of improving the concentricity of the fixing pipe during rotationis achieved.

The invention discloses an assembled aluminum alloy stair formwork, which relates to the technical field of stair formwork. The key point of the technical solution is to include slanting braces and multiple sets of stair modules fixed on the top of the slant braces. Each set of stair modules includes oppositely arranged The two support plates fixed on the top of the diagonal braces, the two horizontal stair plates respectively fixed on the top of the two support plates, the two fixed plates respectively fixed on the top of the transverse stair plates, and the two fixed plates on the top of the transverse stair plates are rotatably installed away from the diagonal braces. The vertical stair board on one side of the board; two sets of rotating devices for driving the rotation of the vertical stair board are arranged between the horizontal stair board and the vertical stair board. The invention solves the problem that the stair formwork is inconvenient to carry, and achieves the effect of facilitating the construction and transportation of the stair formwork.

A head restraint device and operation method for ophthalmic surgery, comprising a base, a bed body, a front support seat, a front bracket, a front rudder, a connecting rod, a rear rudder, a rotating shaft, a helmet, and a pressure plate, the left side of the base is fixedly connected to the front support seat, the front The upper part of the support base has a column, the side wall of the column has a front support threaded hole, the front support threaded hole is connected to the No. For middle rotation, there are front claws on both sides of the front bracket, front claw holes in front of the front claws, front rudder bars on both sides of the front rudder, front claw holes rotate to connect with front rudder bars, and front rudder bars rotate in the front claw holes , the front pawl on the right side has a front pawl threaded hole, and the front paw threaded hole is threadedly connected with the No. 2 bolt. There is a handle hole in the middle of the front rudder, and the handle hole is fixedly connected to the handle.

The invention relates to a refueling mechanism for sliding guide shoes of an elevator. The key points of the technical solution are: it is arranged on an elevator, and the elevator includes a car, several guide shoes arranged on the outer wall of the car and a sliding connection with the guide shoes. Guide rail; several guide shoes include a flexible part slidingly connected with the guide rail and a fixed part fixed on the side of the flexible part away from the guide rail and fixed to the car. The flexible part is U-shaped with the opening facing the slide rail, and the flexible part contacts the guide rail A number of oil outlets are evenly distributed on the contact surface, and the refueling mechanism includes a connecting channel arranged in the flexible part and connected with several oil outlets, an oil outlet pipe arranged at the end of the fixed part away from the flexible part and connected with the inlet of the connecting channel, and an oil outlet pipe connected to the outlet. An oil supply assembly for supplying oil through the oil pipe. The oil supply assembly is arranged on the car. The advantage of the present invention is that it is convenient to refuel the guide shoe during the operation of the elevator.

The invention relates to an invisible horizontal opening window, which includes a window frame, window leaves, glass, drainage holes, drainage grooves and windproof strips, one side of the window leaves is provided with a mounting groove, and the glass is plugged into the mounting groove, and the installation groove A first sealing ring is installed on one side, a baffle is plugged into the installation groove, the baffle can abut against one side of the glass, and a second sealing ring is installed on one side of the baffle; an installation device is also included, and a There is an annular cavity, the annular cavity includes a first horizontal groove, a second horizontal groove and two vertical grooves, the installation device includes a lead screw, the side walls at both ends of the lead screw are respectively provided with left and right threads, and the left and right threads are respectively There are connecting blocks threadedly connected, and the two connecting blocks are slidably connected to the two vertical grooves respectively. Multiple first inserting blocks are fixedly connected to the sides of the two connecting blocks away from each other. A slot, the first insert block is plugged into the first slot, and the drive assembly is installed in the first horizontal slot.