31results about How to "Free distance adjustment" patented technology

The invention provides an axle and relates to the field of automobile parts. The axle comprises a hollow column, wherein two sides of the hollow column are provided with two connecting rods in a penetrating manner; a fixed plate is fixedly arranged in the hollow column; two sides of the fixed plate are fixedly provided with reset springs; certain ends, which are far away from the fixed plate, of the reset springs are fixedly connected with connecting blocks; two sides of each connecting block are fixedly provided with pulleys; two sides of the inner wall of the hollow column are fixedly provided with a sliding rail matched with the pulleys for use; one ends, which are far away from the reset springs, of the connecting blocks are fixedly connected with the connecting rods; one ends, which are far away from the connecting block, of the connecting rods penetrate through the hollow column and extend into a hub. According to the axle, the distance between the hubs can be freely adjusted, and the load applied to the ground by an automobile body is changed, so that a phenomenon that slip happens in certain special districts is avoided, normal use of automobiles is ensured, the use limitation of the automobiles is reduced, the axle applicability is improved, and the use cost of the automobiles is saved.

The invention relates to the technical filed of roadway supports, and discloses rapid excavation roadway support equipment. The rapid excavation roadway support equipment comprises a first supportingplate and a second supporting plate, a first guide rod is slidably connected to the right end of the first supporting plate, the right end of the first guide rod is slidably connected with the left end of the second supporting plate, fixing seats are correspondingly arranged at the left end of the lower surface of the first supporting plate and the right end of the lower surface of the second supporting plate, the fixing seats are fixedly connected with fixing rods, hooks are connected to the two ends of the fixing rods in a clamped mode, connecting rods are connected to the lower ends of thehooks, second sliding plates are connected to the lower ends of the connecting rods, and second guide rods are slidably connected to the lower ends of the second sliding plates. According to the rapidexcavation roadway support equipment, the first supporting plate and the second supporting plate which can slide relatively are arranged, the equipment can be suitable for roadways with different widths, meanwhile the distance between a first sliding plate and the second sliding plates can also be freely adjusted, and thus the equipment can also be suitable for roadways with different heights.

The invention discloses a distance-adjustable one-arm two-suspension-rod device. The distance-adjustable one-arm two-suspension-rod device comprises a cross arm, a first suspension rod and a second suspension rod, wherein a guide rail is fixedly mounted under the cross arm; pulleys are fixedly mounted at the top ends of the first suspension rod and the second suspension rod, and the first suspension rod and the second suspension rod are embedded into the guide rail through the pulleys; a first cross rod is fixedly mounted on the first suspension rod, a second cross rod is fixedly mounted on the second suspension rod, and the first suspension rod and the second suspension rod are movably connected together. According to the distance-adjustable one-arm two-suspension-rod device, the distance between the two suspension rods can be freely adjusted, so that the distances between corresponding objects suspended on the two suspension rods are equal, and the objects are conveniently and orderly placed.

The invention provides an axle and relates to the field of automobile parts. The axle comprises a hollow column, wherein two sides of the hollow column are provided with two connecting rods in a penetrating manner; a fixed plate is fixedly arranged in the hollow column; two sides of the fixed plate are fixedly provided with reset springs; certain ends, which are far away from the fixed plate, of the reset springs are fixedly connected with connecting blocks; two sides of each connecting block are fixedly provided with pulleys; two sides of the inner wall of the hollow column are fixedly provided with a sliding rail matched with the pulleys for use; one ends, which are far away from the reset springs, of the connecting blocks are fixedly connected with the connecting rods; one ends, which are far away from the connecting block, of the connecting rods penetrate through the hollow column and extend into a hub. According to the axle, the distance between the hubs can be freely adjusted, and the load applied to the ground by an automobile body is changed, so that a phenomenon that slip happens in certain special districts is avoided, normal use of automobiles is ensured, the use limitation of the automobiles is reduced, the axle applicability is improved, and the use cost of the automobiles is saved.

The invention discloses a puncture-type electric power fitting, and the electric power fitting comprises puncture systems which are adjacent in a lateral direction. Each puncture system comprises a housing, and the central part of the upper side wall of each housing is provided with an adjustment head, wherein the adjustment head vertically passes through the central part of the upper side wall ofthe housing. The interior of each adjustment head is provided with an adjustment rod, and the lower end of each adjustment rod is provided with a puncture needle. The upper and lower sides of the outer side wall of each adjustment rod are provided with limiting rings. The interior of each housing is provided with a fixed seat between the upper and lower limiting rings. The interior of each fixedseat is provided with an adjustment nut, and each adjustment nut is in threaded connection with the corresponding adjustment rod. The central part of the lower side wall of the hosing is provided witha first clamping groove, and the lower side wall of the housing and the upper side of the first clamping groove are provided with puncture holes in a passing-through manner. The upper surface of an inner cavity of each housing is provided with resetting seats in a manner of lateral symmetry. The left and right ends of the upper side wall of each housing are provided with resetting through holes in a passing-through manner. The electric power fitting can clamp wires with different diameters, can firmly clamp the wires, and facilitates the removing of the wires.

The invention discloses an anti-peeping device for an electronic screen. A device body is installed in the middle of the electronic screen, left and right clamping parts are arranged on both sides of the device body, and the middle part of the left and right clamping parts is arranged There is a threaded rod, one end of the threaded rod is fixedly connected with a fixed splint, one end of the fixed splint is provided with a first slot, the inside of the slot is equipped with an anti-peeping film, one side of the fixed splint is covered with a movable splint, and one end of the movable splint There is a second slot, and a spring is installed inside the second slot, and one end of the spring is fixedly connected with a protective plate, and a transparent protective cover is pasted on the top of the back of the moving splint, and a fastening knob and a threaded rod are installed on one side of the moving splint The other end is provided with a limit plate, the sliding connection between the movable splint and the threaded rod of the present invention is flexible, and it is convenient to freely adjust the distance between the fixed splint and the movable splint, so that it is suitable for electronic screens of different thicknesses, which is convenient It is fast and improves the practicability of the device body.

The invention relates to an adjusting device of X-ray imaging equipment, comprising an X-ray supporting frame for mounting an X-ray source, a detector supporting frame for mounting a detector, a supporting beam with a sliding rail, a first driving unit and a second driving unit. The X-ray supporting frame and the detector supporting frame are arranged on the sliding rail of the supporting beam, the first driving unit drives the X-ray supporting frame to move on the sliding rail, and the second driving unit drives the detector supporting frame to move on the sliding rail. The adjusting device of the X-ray imaging equipment also comprises a control device and a rotating motion generating unit which drives the X-ray source and the detector to rotate around a rotating central shaft and is connected with the supporting beam, and the control device controls the first driving unit, the second driving unit and the rotating motion generating unit. The X-ray imaging adjusting device adjusts three distances by adopting a single detector to realize imaging scanning which integrates panorama scanning, CT (Computerized Tomography) scanning and head scanning and has simple operation and cost saving.

The invention relates to the technical field of machines, in particular to a cutting tool installing frame in paper cutting equipment. The cutting tool installing frame comprises a frame body. The frame body comprises two parallel vertical supporting plates and two parallel horizontal supporting plates arranged between the two vertical supporting plates. A first sliding groove is formed in each horizontal supporting plate. The cutting tool installing frame is provided with a tool clamping mechanism. Installation of cutting tools different in length and thickness can be achieved by adjusting the distance between two first clamping plates and the distance between two second clamping plates in each set. Through the manner, convenient mounting and dismounting of the cutting tools can be achieved. The second clamping plates move on the first clamping plates, the distance between every two adjacent sets of second clamping plates can be freely adjusted, the distance between the adjacent cutting tools is freely adjusted, and accordingly the requirement for cutting different sizes of paper according to different needs is met.