35results about How to "Increase fixed range" patented technology

The invention provides a dustproof protection device for a rare earth permanent magnet synchronous motor. The dustproof protection device includes a motor body, wherein a dustproof protection mechanism is fixed on the motor body; a support mechanism is welded and fixed at the lower end of the motor body; the support mechanism is located under the dustproof protection mechanism; the dustproof protection mechanism includes upper snap rings, lower snap rings, a connection strip block, micro fans, an ear plate, an arc guide rail, a dustproof net 1, elastic rubber sleeves, threaded rods, nuts, a handlebar and a dustproof net 2; and the support mechanism comprises a hollow plate, a base, an open slot 1, a connection plate, an open slot 2, limiting blocks, a support plate, a telescoping plate, alimiting groove opening and a through hole. Compared with the prior art, the dustproof protection device for a rare earth permanent magnet synchronous motor has the following advantages: achieving theaim of dustproof and shock absorbing protection, improving the use effect, facilitating carrying, improving the heat dissipation effect, achieving the aim of height adjustment, and expanding the fixed range so as to improve the fixing stability.

The invention discloses a multi-elevator and vertical lift three-dimensional parking garage, which belongs to the technical field of a parking lot. The parking garage includes a base, an elevator guide rail group, elevator guide rail seats, first guide rails, second guide rails, clamping mechanisms, annular parking spots and vehicle body adjustment devices; and the elevator guide rail group is disposed on the base, the base is connected with the elevator guide rail group in a shaft manner, the multiple elevator guide rail seats that can slide up and down are disposed on the elevator guide railgroup, the elevator guide rail seats are hinged to the first guide rails, the first guide rails are slidingly hinged to the second guide rails, the second guide rails are slidingly connected with theclamping mechanisms, the annular parking spots are disposed on the periphery of the elevator guide rail group in a circular manner, the upper end of the elevator guide rail group is connected to thetop of the annular parking spots in the shaft manner, and each parking space at entrance and exit layers of the annular parking spots is equipped with the vehicle body adjustment device. In the multi-elevator and vertical lift three-dimensional parking garage, through coordinated operation of multiple elevators, space of the parking garage is reduced, the efficiency of parking and picking up of vehicles is improved, a contradiction between the efficiency of parking and picking up of the vehicles and the number of parking spaces is solved, and smart city platform management is performed on thebasis of automatic operation.

The invention discloses a notching-type automobile drum brake lining. The notching-type automobile drum brake lining comprises a lining body, fixing plates, screw mounting bases and a drum brake. A lining movable end is arranged at the left side of the lining body, and a lining fixed end is arranged at the right side of the lining body. A lining friction face is arranged on the upper side surfaceof the lining body, and a lining mounting face is arranged on the lower side surface of the lining body. The fixing plates are arranged on the inner side surface of the lining body. Heat radiating grooves are formed between lining mounting plates of the fixing plates, and the lining mounting plates are distributed in a hexagon shape. The fixation range is wide, the number of the heat radiating grooves is large, the integral strength of the lining can be guaranteed and meanwhile the heat radiating effect of the lining is improved. In addition, the lining movable end is set to be thick, due to the facts that the movable end is pushed by a brake cylinder and the friction force between the movable end and the drum brake is large, the abrasion speed is high compared with the other end of the lining, the thick lining movable end can improve the braking effect of the lining at the later period, and the service life of the lining can be prolonged.

The invention discloses a lamp light support frame for electric power urgent repair at night. The lamp light support frame comprises a fixing support part (1), a folding rod (2) and a flashlight support frame (3), wherein a locking mechanism (11) is arranged on the fixing support part, the folding rod comprises a base rod (21) and at least one folding arm (22), the cross section of the base rod is provided with a groove-shaped structure, the bottom end of the base rod is horizontally hinged and connected onto the fixing support part, the appearance cross section width dimension of the folding arm is matched with the inner beam dimension of the groove-shaped structure of the base rod, one end of the folding arm is hinged and connected to the upper part of the base rod, the flashlight support frame comprises an elastic clamp hoop (31) and a connecting seat (32), the elastic clamp hoop is hinged and connected to one end of the connecting seat, the other end of the connecting seat is fixedly connected with the other end of the folding arm, and all hinging parts are respectively provided with an angle positioning mechanism (23). The lamp light support frame structure has the advantages that the normal double-hand work of construction personnel in the urgent repair work process at night can be ensured, meanwhile, the lamp light support frame can be applicable to various construction illumination angles, the safe construction is ensured, and the urgent repair work efficiency is improved.

The invention discloses an adjustable bracket taking gun for orthodontic treatment and relates to the technical field of orthodontic treatment brackets. The adjustable bracket taking gun comprises a gun body and is characterized in that push plates are mounted at the gunpoint of the gun body, the gun body is provided with an inner cavity inside, a pressing block is movably mounted on the gun body,one end of the pressing block is located in the inner cavity, the other end of the pressing block extends out of the gun body, a fixing square ring is mounted at the gunpoint of the gun body, and a linkage component is mounted in the inner cavity. The adjustable bracket taking gun has the advantages that pressure is directly applied to the pressing block through hand movement to indirectly applytensile force to a tightening steel wire so as to allow the tightening steel wire to apply tensile force to the fixing square ring, the front end of the fixing square ring moves towards the inner cavity of the gun body to allow the front end of the fixing square ring to clamp and fix two wings of a bracket, and tightening and fixing is achieved through a fastening ring to effectively fix the fourcorners of the fixing square ring; the grooves of the fixing square ring separates the fixing square ring into four equal blocks, so that the bracket fixing range of the fixing square ring can be increased, and brackets of different sizes can be clamped and fixed.

The invention discloses a blade surface rust stain treatment device for centrifugal pump maintaining. The device comprises a treatment shell body, the inner wall of the bottom of the treatment shell body is rotatably connected with a rotating shaft, a thread hole is formed in the outer wall of the top of the rotating shaft, the inner wall of the thread hole is rotatably connected with a thread rodthrough a thread, a round block is mounted on the outer wall of the top of the thread rod, a round rod is arranged on the outer wall of the top of the round block, an extrusion ring is rotatably connected to the circumference outer wall of the round rod through a thread, the same screw is rotatably connected to the inner walls of the two sides of the treatment shell body, the circumference outerwall of the screw is rotatably connected with a sliding block through a thread, the rotating shaft, the thread rod, the round block and the extrusion ring on the round rod are arranged, before use, the round block matched with a blade is selected, and then is fixed to the rotating shaft, the blade is inserted into the round rod, the extrusion ring is used for fixing, the centrifugal pump blade canbe rapidly fixed, the fixing range can be widened, use by a worker is facilitated, and the subsequent blade rust stain treatment is facilitated.

The invention discloses a portable distance measuring device for engineering supervision. The portable distance measuring device for engineering supervision comprises an annular frame; a measuring device which is connected with the annular frame and is used for directional measurement; at least three groups of stabilizing assemblies which are arranged outside the measuring device and are used for fixing and stabilizing the measuring device, wherein the measuring device comprises at least three groups of adjusting assemblies, and the adjusting assemblies are arranged outside the annular frame and are used for adjusting and connecting external assemblies; and a distance measuring assembly which is connected with the adjusting assemblies and is used for directional distance measurement. The portable distance measuring device has the advantages that the device is reasonable in design, multi-angle fixing of the device can be achieved through the external fixing arm assembly, the fixing range is large, the internal adjusting assemblies are matched with the distance measuring assembly, the distance measuring range is further widened, the outer annular frame facilitates overall taking of the device, the defects of an existing device are overcome, and the device has high practicability and market prospects and is suitable for large-scale application and popularization.

The invention discloses a steel structure building welding main beam monitoring device, and relates to the technical field of monitoring. The steel structure building welding main beam monitoring device comprises a steel structure body and two fixing mechanisms, each fixing mechanism comprises a supporting shell, the inner walls of the two ends of each supporting shell are rotatably connected with a bidirectional screw rod, and the two ends of the circumferential outer wall of the bidirectional screw rod are rotatably connected with sliding blocks through threads; and a first fixing shell and a second fixing shell are installed on the outer walls of one sides of the two supporting shells correspondingly, and a monitoring mechanism is arranged at one end of the second fixing shell. The fixing mechanism is arranged, a rotating block is rotated to drive a two-way lead screw to rotate so as to drive fixing plates on the two sliding blocks to move in opposite directions, due to fixing rods, buffer springs and extrusion arc-shaped blocks on the fixing plates, the device can be rapidly fixed to a steel structure body, and the fixing rods can move front and back. Therefore, the supporting shell can be fixed to the inner side or the outer side of the steel structure body, and the fixing range is widened.

The invention discloses a gearbox shaft rotating speed position sensor fixing device, which relates to the technical field of gearboxes, and solves the problem that a sensor fixing device is poor in compatibility with gearboxes of different sizes. The gearbox shaft rotating speed position sensor fixing device comprises a base. The base comprises a buffer column and a connecting block, and the top of the base is rotationally connected with the connecting block; the connecting block is rotationally connected with the buffer column; the top of the base is slidably connected with a shear fork frame; the shear fork frame comprises lower supporting strips, and the bottom end of the shear fork frame is connected with one lower supporting strip in a sliding mode; the top of the shear fork frame is slidably connected with a fixing seat; the fixing seat comprises a sliding seat, a fixing column and a fixing strip, and the sliding seat is slidably connected to the middle of the fixing seat; and the top of the fixing seat is slidably connected with a fixing column. The compatibility of different gearbox fixing hole sites is enhanced through the slidable fixing strips and the supporting seats.

The invention discloses a driving speed change device for agricultural machinery. The driving speed change device comprises a push rod, a receiving barrel, a harvesting head, a guide revolving body and a boosting wheel, wherein the push rod is welded on the outer surface of a bottom fixed plate; the receiving barrel is arranged on the upper surface of the bottom fixed plate; the guide revolving body is driven to move by a driving transmission box in order to harvest external Chinese chives; a rotary box body inside the driving transmission box is driven to rotate together; the fixing range ofan extension main core is expanded by a surface core; and under the external stress, an internal inclination fixed core fixed by a fixing ball extends by an inclination angle, and an inclination sidedrives an ejector headers against the inclination fixed core at certain hardness, so that an outer layer is subjected to certain inclination guide fixing. Contact force is uniformly born by a spreading side and a protection rubber body to drive a middle fixed column to move, so that the collision force is variable during internal driving speed change. The buffering depth is adjusted according to the collision distance and the force, so that deformation and loosening after long-time collision and contact are prevented.

The invention discloses a village residential area land intensive utilization model, which is characterized in that a scouring mechanism, an anti-blocking mechanism and a seat assembly are respectively arranged on a sand table device of the village residential area intensive utilization model, and the three mechanisms are independently used or cooperatively used, so that the fatigue of a user caused by standing for use for a long time can be solved; in addition, the upper portion of the sand table is rotatable, a user can observe in all directions only by rotating the sand table, in addition, a flushing mechanism and an anti-blocking mechanism are arranged above the sand table, when building points above the device need to be replaced, sand above the device can be loosened through the flushing mechanism, it is avoided that caking is difficult to clean, and the device is convenient to use. An anti-blocking mechanism at the lower part can seep excessive water at the lower part, so that the incorrect proportion of water to sand is prevented, and the whole sand table is provided with a rotatable sand table bottom plate at the upper part and a double-layer fixed inclined plane frame capable of adjusting the height of the telescopic main shaft at the lower part; and the problem of rollover caused by unequal weight above when the position height of the sand table bottom plate is adjusted is avoided.

The invention provides a power module signal terminal. A power module comprises a plastic package housing. A signal terminal comprises a first fixing part, wherein the first fixing part is wrapped bythe plastic package housing; a second fixing part located on the first fixing part, wherein the length of the cross section of the second fixing part is smaller than that of the cross section of the first fixing part; a platform part located on one side of the first fixing part and one side of the second fixing part; and a signal transceiving part located on the platform part, wherein the signal transceiving part is used for connecting internal signals of the power module. According to the invention, the contact area with the plastic package housing can be increased, so that the fixing range can be increased, and the fixing stability can be improved; and in addition, the bonding failure caused by the movement of the fixing position of the power module in an extreme vibration environment can be avoided.

The invention belongs to the technical field of digital media installation, particularly relates to a digital media suspension device. In order to solve the problems that when an existing digital media is suspended, the digital media is generally singly suspended on a lifting ring through a hook, in the suspension mode, the suspended digital media is likely to be in a suspended state, when the digital media is slightly touched, the digital media is likely to shift in position, so that the digital media is in an unstable state after being suspended, the following scheme is provided presently. According to the scheme, the digital media suspension device comprises two limiting frames and a sliding groove, connecting plates are fixedly connected to the outer walls of the same sides of the twolimiting frames, hydraulic cylinders are fixedly connected to the outer walls of the two connecting plates, the two hydraulic cylinders are connected with a synchronization hydraulic system, and the other ends of the two hydraulic cylinders are fixedly connected with air plates. According to the digital media suspension device, flow guide plates and a flow dividing pipe are arranged, during vacuumizing operation, the flow guide plates disperse suction force to all positions of flow dividing holes so that the interiors of all the suction cups can be vacuumized, and the vacuumizing effect is improved.

The invention relates to the field of medical instruments, and in particular relates to a novel remaining needle which comprises an adapter assembly, the adapter assembly comprises a first connector and a sleeve arranged on the first connector, a needle core is arranged in the sleeve in a sleeved mode, one end of the needle core is a sharp part, the sharp part extends out of the sleeve, the other end of the needle core is connected with a needle plug, when the needle plug drives the needle core to be pulled out of the first connector, the first connector is used for communicating the sleeve with an infusion tube and fixing the sleeve to the body of a patient, the side, attached to the skin of the body surface of the patient, of the first connector is a press-fit part, the press-fit part is a flat surface, or a curved surface which matches the skin contact position of the patient. According to the novel remaining needle, the risk of sliding displacement of a connecting base in the infusion process is greatly reduced, the infusion safety is improved, and meanwhile the risk that the skin of the patient is injured due to back-and-forth sliding friction of the skin of the first connecting base is further reduced.

The invention discloses a method for fixing soil heavy metals so as to protect groundwater; a potassium hydroxide (KOH) fixing agent is adopted for applying on the surface of heavy metal polluted soil, vertical permeability distribution is achieved through water irrigation and natural diffusion, and thus a vertical alkaline fixing band is formed or an alkaline fixing band is formed at the lower layer of the soil to fix the soil heavy metals, so as to achieve the purpose of protecting the groundwater. The potassium hydroxide (KOH) fixing band technology is used for protecting the groundwater, overcomes the problems of slow lime diffusion and small fixing scope, has obvious economic advantages compared with a groundwater pumping-out treatment technology, and is a high-efficiency and low-cost treatment technology in the acidic polluted soil.

The invention discloses a covering net suitable for rock-soil slope protection and capable of preventing a rock body from falling off, and relates to the technical field of engineering slope protection. The problems that a protective net needs to be manually and visually detected, a fixed marker is lacked, and the observation difficulty is high are solved. The covering net suitable for rock-soil slope protection and capable of preventing the rock body from falling off comprises a covering base net; the covering base net is a fine flexible net formed by weaving fiber ropes, and a fixing pipe is fixedly connected to the middle of the covering base net in a penetrating mode. The fixed pipe comprises reinforcing ribs, a connecting column and a connecting pipe; the middle part of the fixed pipe is fixedly connected to the connecting pipe; the connecting column is connected to the middle of the connecting pipe in a nested and sliding mode; the tail end of the connecting column is fixedly connected to the reinforcing ribs; the reinforcing ribs are fixedly connected to the covering base net; and a fixing column is connected to the middle of the fixing pipe in a penetrating and engaged mode. According to the covering net suitable for rock-soil slope protection and capable of preventing the rock body from falling off, a shear fork frame expands outwards, a closing plate swings towards the center in a closed mode, and therefore people can observe the condition of a mountain conveniently and give an early warning in time.

The invention discloses a device for fixing a cabinet. The device comprises a fixing plate with a hollow inner cavity. A spring is fixedly connected to the inner cavity of the fixing plate. The sidewall on one side of the fixing plate is successively connected with a plurality of concave sliding chutes 1 in the vertical direction. The inner wall of each concave sliding chute 1 is successively sleeved with a first convex slide block and a second convex slide block in the horizontal direction. The sides, away from the concave sliding chutes 1, of the first convex slide block and the second convex slide block are connected with a first concave fixing block and a second concave fixing block respectively. Wear resistance layers are disposed at the grooves of the first concave fixing block and the second concave fixing block. Telescopic plates 1 are installed at the middles of the first concave fixing block and the second concave fixing block. Through holes 1 are disposed at corresponding positions of the first concave fixing block and the second concave fixing block. The device for fixing a cabinet is simple in structure and convenient to operate, and can conveniently fix and disassemble the cabinet.