44results about How to "Avoid tipping hazards" patented technology

The invention provides a multi-telegraph-pole assembling method with inclination monitoring. A first home-entry leading wire and a second home-entry leading wire are separately connected with a firsthome-entry leading wire connecting mechanism. The first home-entry leading wire connecting mechanism is arranged on a first telegraph pole. The height of the home-entry leading wire connecting mechanism on the first telegraph pole can be adjusted according to actual needs, so that construction personnel and later maintenance personnel perform operation according to the required height, and the operation convenience is improved; and moreover, the first home-entry leading wire connecting mechanism is arranged near the middle of the first telegraph pole, and so that the danger that the first telegraph pole inclines due to the fact that the first home-entry leading wire pulls the top of the telegraph pole in the prior art is avoided. The first home-entry leading wire and the second home-entryleading wire pull the first telegraph pole along two opposite directions separately to stabilize the telegraph pole, and the danger of inclination of the telegraph pole caused by one-way pulling is avoided.

The invention relates to a compaction adjustable type electric cabinet. The compaction adjustable type electric cabinet comprises an electric cabinet main body, a bracket and a second hydraulic air cylinder, wherein fixed blocks are arranged at left and right sides of the electric cabinet main body, and fastening bolts are arranged inside the fixed blocks in a penetrating mode; the bottom ends ofthe fastening bolts are equipped with fastening blocks; supporting blocks are mounted below the fastening blocks; the bracket is arranged above the inner part of the electric cabinet main body; left and right sides of the bracket are connected with upper telescopic poles; the lower portions of the upper telescopic poles are connected with lower telescopic poles through rotary shafts; a supportingplate is arranged below the bracket; a first hydraulic air cylinder is mounted below the supporting plate; and the bottom end of the first hydraulic air cylinder is connected with a first connecting rod. The compaction adjustable type electric cabinet has the beneficial effects that the fastening blocks can clamp an object by rotating the fastening bolts, so that the position of the electric cabinet can be limited through a special structure.

The invention discloses an adjusting device for car carrying board balance. The adjusting device comprises a top plate. Adjusting plates are arranged at the two ends of the bottom of the top plate, and a chain support shaft is arranged between the bottoms of the two adjusting plates. The two ends of the chain support shaft penetrate through the adjusting plates correspondingly and extend to one sides of the outer walls of the adjusting plates. A chain support is arranged on the outer surface of the chain support shaft in a sleeving mode and arranged between the two adjusting plates, and nuts are arranged at the two ends of the bottom of the top plate. The bottom ends of the nuts penetrate through the top plate and extend to one side of the bottom end of the top plate. According to the adjusting device, a left chain is directly lifted, a right chain rises and falls by adjusting an adjusting rod, the chain support is driven, so that the right chain rises and falls, and finally, balance of a car carrying board is achieved; when the chains of the two sides are adjusted jointly and rise and fall in the reverse directions, the chains are quickly adjusted by double distances, thus the carcarrying board is quickly balanced, the car carrying board is prevented from inclining, and danger of car toppling is avoided; and the adjusting device is simple in structure, convenient to operate and outstanding in balance effect.

The invention discloses an aluminum profile smelting furnace, which comprises a box body and a furnace body; the inner cavity of the box body is provided with a furnace body; the vertical surface of the outer wall of the furnace body is wound and connected with a heating resistance wire; the bottom of the heating resistance wire is welded with a fixed plate; the bottom of the fixed plate is provided with a rotating plate, and the fixed plate and the rotating plate are movably connected by engaging protrusions; the top of the furnace body is sleeved with a cap; the outside of the cap is sleeved with a connecting clamp; The caps are rotatably connected by the connecting seat; in the present invention, the heating resistance wire is heated by the commercial power, and a magnetic field will be formed inside the heating resistance wire, thereby realizing rapid heating of the aluminum profile, compared with the traditional flame heating method , The electromagnetic heating method has high energy utilization rate and fast heating speed, which improves the heating efficiency while reducing the processing cost.

A hydraulic drilling machine drill rod manual loading / unloading assisting method and device are provided; the drilling machine is provided with a loading / unloading rack moving with the drilling machine; the loading / unloading rack can catch the drill rod in a low position, and can hang up the drill rod in a drilling machine return and ascending process, so the drill rod can be erected in and fixed by a steel retainer, then the shank of the drilling machine screws into the drill rod and the drill rod is installed; in an unloading process, the to-be-unloaded drill rod is separated from a drilling machine impact rod and an under drill rod, the drill rod bit of the to-be-unloaded drill rod is artificially pulled in a horizontal manner, the loading / unloading rack of the drilling machine moves downwards with the drilling machine, and the to-be-unloaded drill rod is slowly lowered and flatted, thus unloading the drill rod; the loading / unloading rack is provided with a round hole with a gap, the tail of the drill rod can be moved into the gap, so the drill rod can be hung on the loading / unloading rack.

The invention provides a cable support mechanism with a holding device, which comprises a telephone pole, a cross arm and a solar power generation module. A plurality of insulated terminals for connecting the cable wires are arranged on the cross arm; The cross arm is respectively connected with the hoop connection hole of the cross arm clasp through the first cross arm bolt and the second cross arm bolt, and the cross arm clasp is held on the outer wall of the utility pole, and the cross arm is fixed at a position close to the top of the utility pole through the cross arm clasp. When lockingthe cross arm clasp, the steel boss on the inner wall of the cross arm clasp squeezes and shrinks the telephone pole to improve the locking force, and the anti-skid rubber cushion on the steel boss surface plays the role of anti-skid with the surface of the telephone pole. Similarly, when the first fixing hoop and the second fixing hoop are locked, the steel bosses on the inner walls of the firstfixing hoop and the second fixing hoop squeeze and shrink the telephone pole to improve the locking force, and the anti-skid rubber cushion on the surface of the steel bosses plays a role of anti-skidwith the surface of the telephone pole. The mechanism provided by the invention can avoid the sliding of the crossbar and the solar panels.

The present invention provides a drop cable mechanism and a drop cable mechanism construction method. The drop cable mechanism comprises a first electricity user distribution station, a second electricity user distribution station, a telegraph pole, a first drop lead and a second drop lead, and the first drop lead and the second drop lead are connected with a drop lead connection mechanism. The drop lead connection mechanism is arranged on the telegraph pole. The drop cable mechanism and the drop cable mechanism construction method can regulate the height of the drop lead connection mechanismis arranged on the telegraph pole according to an actual requirement to allow constructors and later maintenance personnel to perform operation according to required heights so as to improve the workconvenience. The drop lead connection mechanism is arranged close to the middle position of the telegraph pole so as to avoid a drop lead drags the top portion of the telegraph pole to cause a risk ofinclination of the telegraph pole in the prior art. The first drop lead and the second drop lead drag the telegraph pole in two opposite directions to have an effect on stabilization of the telegraphpole so as to avoid the risk of inclination of the telegraph pole due to dragging in a one-way direction.

The invention provides a layer soil pressing device used in geotechnical engineering. The bedding device includes a walking mechanism, a layer soil injection bucket, a layer soil dumping module and a layer soil compaction module, and the running mechanism includes a cockpit, a walking chassis and a walking mechanism installed on the walking chassis, and the walking chassis There is a layer soil dumping module mounting frame and a layer soil compacting module mounting frame, and the layer soil compacting module mounting frame is placed behind the layer soil dumping module mounting frame; the layer soil dumping module is installed on the layer soil dumping module mounting frame It includes a support frame, a layer soil dispersion box and a turning and dumping mechanism; the layer soil compaction module is installed on the layer soil compaction module mounting frame, including a soil compaction block, a downward pressure cylinder, a cylinder mounting frame and a sliding frame. The invention integrates the functions of an earth truck, a bulldozer and a road roller, solves the problems of layer soil injection, layer soil dumping and layer soil compaction, has very high efficiency, and greatly improves work efficiency, ensuring that the soil surface of the paved soil layer is protected. Even force.

The invention relates to the technical field of coal mining, in particular to an automatic coal mine roadway coal transportation system. The coal grabbing system mainly includes a control system, a walking frame, a grabbing mechanism, a fixed plate, a left function box and a right function box. The two sides of the walking frame are located in the slideways on both sides of the roadway, and the walking frame is provided with The first drive mechanism, the fixed plate is fixedly connected to the output part of the first drive mechanism, the grabbing mechanism is fixedly connected to the middle of the lower surface of the fixed plate, and the upper ends of the left function box and the right function box are fixed on the On the lower surface of the fixed plate and on both sides of the grabbing mechanism, the walking frame, the left function box, the right function box and the grabbing mechanism are electrically connected with the control system. This technical solution is used to reduce the number of coal lumps involved. The number of workers in the transportation process reduces the labor intensity of coal transportation workers, and at the same time efficiently and safely transfers the coal blocks in the coal mine roadway to the designated location.

The invention relates to a seat backrest and a seat. The seat backrest comprises a back supporting piece, a supporting frame used for supporting the back supporting piece, an elastic piece arranged between the side portion of the first back supporting piece and the side portion of the first supporting frame, wherein the elastic piece can be bent and deformed under pressure, and a first supportingbody arranged between the side portion of the first back supporting piece and the side portion of the first supporting frame. The seat comprises a seat part fixedly connected with the lower part arranged at the side part of the first supporting frame and the lower part of the side part of the second supporting frame. Compared with the prior art, the elastic piece is arranged on the upper portion of the backrest, the left side and the right side of the back supporting piece are free of resistance, the deformation freedom degree is high, the longitudinal stability and supporting performance of aspine of a user are enhanced, the supporting frame and the first supporting body can prevent the soft back from excessively deforming and inclining, comfort is good, and safety is good.