15results about How to "Avoid damage and breakage" patented technology

The invention discloses a 110kV cross-linked polyethylene insulating material power cable, and relates to the technical field of cables, the 110kV cross-linked polyethylene insulating material power cable comprises a battery cell, the outer side of the battery cell is sleeved with a cross-linked polyethylene insulating layer, the outer side of the cross-linked polyethylene insulating layer is sleeved with an inner uniform-temperature copper foil, the outer side of the inner uniform-temperature copper foil is bonded with an arc-shaped groove plate, the inner side of the arc-shaped groove plate is provided with a filling groove, and the inner side of the arc-shaped groove plate is provided with a filling groove. The inner side of the filling groove is filled with aerogel, a sliding groove plate is clamped to the outer side of the arc-shaped groove plate, and an arc-shaped rod is clamped to the middle of the inner side of the inner sliding groove. According to the friction plate, the brittleness speed of the cross-linked polyethylene insulating layer is effectively slowed down, so that the service life of the cross-linked polyethylene insulating layer is continuously prolonged, a large amount of heat can be generated due to continuous sliding of the friction plate at night, the heat can be continuously conducted to the cross-linked polyethylene insulating layer at the moment, and heat preservation is achieved.

The utility model discloses a linear ultrasonic motor vibrator module, and the module comprises a vibrator which is in an annular shape. The two driving arms are positioned on the two sides of the vibrator and are provided with accommodating grooves; the piezoelectric ceramic group is positioned in the accommodating groove and transmits vibration to the vibrator through the driving arm; at least part of the pre-tightening structure is located in the containing groove, and the pre-tightening structure enables the piezoelectric ceramic set to be tightly attached to the side wall, close to one side of the vibrator, of the containing groove; the vibrator and the driving arm are of an integrated structure. The vibrator and the driving arm are integrally designed, the structure is more compact, and the problems of abrasion and looseness between parts caused by vibration can be effectively avoided in the using process.

The utility model discloses a rib-free arc-shaped template which comprises an arc-shaped template body, a framework is arranged in the arc-shaped template body, the framework comprises a connecting transverse wire, the surface of the connecting transverse wire is fixedly connected with reinforcing steel wires which are perpendicular to the connecting transverse wire and are evenly distributed, and the two ends of the connecting transverse wire are fixedly connected with a first connecting block and a second connecting block respectively. The arc-shaped formwork is simple in structure and convenient to use, the first tough layer and the second tough layer are made of thick bamboo plywood materials, the thick bamboo plywood has good toughness, the arc-shaped formwork body can be prevented from being broken and damaged easily due to impact, the rebound resilience of the arc-shaped formwork body can be enhanced, and the service life of the arc-shaped formwork body is prolonged. The arc-shaped formwork body can be accelerated to recover to the initial state after being impacted, the bending plasticity is higher, the bending amplitude can be larger, the arc-shaped formwork body is not prone to being broken off, and the formwork can be conveniently spliced and fixed through the arranged first connecting block and the arranged second connecting block.

The utility model is applicable to the technical field of flowerpot placement, and discloses a flowerpot storage rack which is characterized in that a first rotating sleeve and a second rotating sleeve are rotationally sleeved on the surfaces of two ends of the outer side of each fixing rod respectively, and the first rotating sleeve is positioned on the inner side of the second rotating sleeve; connecting plates are fixedly installed on the outer side surfaces of each first rotating sleeve and each second rotating sleeve, and a fixing frame is fixedly installed between the outer sides of every two sets of connecting plates. According to the technical scheme, the first rotating sleeve and the second rotating sleeve are rotationally connected to the outer side of the fixing rod in a sleeving mode, so that the first rotating sleeve and the second rotating sleeve can drive the fixing frame and the bearing rod to synchronously rotate on the outer side of the supporting plate after rotating on the outer side of the fixing rod; the horizontal state of the fixing frame on the outer side of the supporting plate is adjusted, the fixing frame above the supporting plate can be rotationally stored according to the height of the green plant, the situation that the top of the green plant is pressed by the fixing frame and accordingly the green plant is broken and damaged is avoided, and the use applicability of the whole flowerpot storage rack is improved.

The present invention discloses a forestry tree branch pulling device, including a mounting frame structure, the mounting frame structure including two hoops, first square rods are symmetrically fixed on both sides of the hoops, first square tubes are slidably sleeved on the two first square rods, second square tubes are fixed on the opposite sides of the two first square tubes, and first locking bolts are screwed on the first square tubes. Through the setting of the branch protection structure, when the tree branch is pulled down, the first roller will push the root of the tree branch in the opposite direction to the tree main pole, thereby effectively preventing the root of the tree branch from splitting from the tree main pole, and the force of the first roller pulling the root of the tree branch can be adjusted by twisting the locking nut. Through the setting of the branch pulling structure, the tree branch can be pressed down by two second rollers, and through the setting of the wire tensioning structure, the force of the wire pulling down the branch pulling structure can be adjusted by controlling the contraction of the spring, thereby effectively preventing the tree branch from being broken and damaged due to the uncontrollable pulling force.

A forestry seedling raising device comprises a seedling raising box, a fastening buckle plate, a position control rod, a driving sleeve, a U-shaped supporting block, a limiting clamping plate, a positioning locking block and a movable shifting rod, the seedling raising box is provided with a fixed bottom plate, the fixed bottom plate is provided with a plurality of drainage holes, a fixed supporting plate is arranged on the lower portion of the fixed bottom plate, the outside of the seedling raising box is connected with the fastening buckle plate, and supporting rod penetrating holes are formed in the two sides of the fastening buckle plate. Limiting supporting rods are arranged on the two sides of the seedling raising box, the limiting supporting rods are matched with the supporting rod penetrating holes, the limiting supporting rods penetrate through the supporting rod penetrating holes and are connected with a handle plate, the two sides of the fastening buckle plate are connected with reinforcing supporting plates, the reinforcing supporting plates are connected with reinforcing buckle plates, and the inner sides of the reinforcing buckle plates are connected with the seedling raising box. The left seedling raising box is connected with the right seedling raising box, fixing protruding blocks are arranged on the two sides of the left seedling raising box, fixing grooves are formed in the two sides of the right seedling raising box, the fixing protruding blocks are matched with the fixing grooves, and the fixing protruding blocks are connected with the fixing grooves.

A novel forestry afforestation transplanting device comprises a bearing bottom plate, a fixed supporting plate, a U-shaped plate, a driving connecting rod, a worm wheel disc, a threaded rod, a limiting clamping plate and a transplanting frame, the transplanting frame is provided with a plurality of partition plates, the lower portions of the partition plates are connected with first self-locking universal wheels, the outer portions of the partition plates are connected with first pushing handles, and the bearing bottom plate is attached to the interiors of the partition plates; a second pushing handle is connected to the outer portion of the side baffle, the upper portion of the side baffle is connected with a fixed vertical rod, the fixed vertical rod is connected with a U-shaped plate, the U-shaped plate is provided with a connecting block, the fixed vertical rod is provided with a connecting lug, and the connecting lug is connected with the connecting block through a shaft rod. A positioning supporting sleeve is arranged on the outer side of the U-shaped plate and connected with a position control supporting rod through threads, the outer end of the position control supporting rod sequentially penetrates through the U-shaped plate and the positioning supporting sleeve, a fixing supporting plate is arranged at the inner end of the position control supporting rod, and the fixing supporting plate is connected with an anti-skid rubber mat.

The utility model discloses a linear ultrasonic motor vibrator module, and the module comprises a vibrator which is in an annular shape, and the outer annular surface of the vibrator is provided with two connecting ends which are oppositely disposed. The two driving arms are connected with the two connecting ends of the vibrator respectively, and each driving arm is further provided with a containing groove; the piezoelectric ceramic group is positioned in the accommodating groove of the driving arm; at least part of the pre-tightening structure is located in the containing groove, and the piezoelectric ceramic set is pressed by the pre-tightening structure; wherein the piezoelectric ceramic group has two opposite surfaces, one side surface is tightly attached to the end face of the connecting end, the other side surface is tightly attached to the end face of the pre-tightening structure, and the pre-tightening structure enables the piezoelectric ceramic group to be tightly attached to the end face of the connecting end of the vibrator. According to the invention, the damage probability of the piezoelectric ceramic in the assembly process is reduced, the assembly difficulty is reduced, and the product yield and the production efficiency are improved.

The invention discloses a 110kV cross-linked polyethylene insulation material power cable, which relates to the technical field of cables and comprises an electric core, wherein a cross-linked polyethylene insulation layer is sleeved on the outer side of the electric core, an inner temperature-averaging copper foil is sleeved on the outer side of the cross-linked polyethylene insulation layer, an arc-shaped slot plate is bonded to the outer side of the inner temperature-averaging copper foil, a filling slot is provided on the inner side of the arc-shaped slot plate, the inner side of the filling slot is filled with aerogel, a sliding slot plate is clamped on the outer side of the arc-shaped slot plate, and an arc-shaped rod is clamped at the inner middle position of the inner slide slot. The invention has a scientific and reasonable structure and is safe and convenient to use. The cross-linked polyethylene insulation layer is insulated by dissipating heat through the aerogel, and the embrittlement speed of the cross-linked polyethylene insulation layer is effectively slowed down, thereby continuously extending the service life of the cross-linked polyethylene insulation layer, and a large amount of heat is also generated by the continuous sliding of the friction plate at night, and at this time, the heat is continuously conducted to the cross-linked polyethylene insulation layer, thereby performing heat insulation.

The utility model provides a high-precision impedance flexible circuit board, which comprises a flexible circuit board, a conductive pattern is printed on the front surface of the flexible circuit board, one end of the flexible circuit board is provided with a connecting part, the other end of the flexible circuit board is provided with a connector, the bottom of the flexible circuit board is fixedly connected with a soft layer, and the flexible layer is provided with a conductive layer. The soft layer is of a hollow structure. The flexible circuit board has the advantages that the wedge-shaped block is provided with the two inclined planes, the flexible circuit board is bent towards the front surface of the wedge-shaped block, the flexible layer and the reinforcing plate are both bent during bending, and when the side surface of the reinforcing plate abuts against one side surface of the wedge-shaped block, the reinforcing plate and the flexible layer cannot be continuously bent; therefore, the flexible circuit board cannot be continuously bent after reaching a certain angle at the pre-bending point, and the overall structural strength of the flexible circuit board is improved by using the mode of matching the soft layer with the reinforcing plate, so that the flexible circuit board is prevented from being excessively bent, a circuit on the flexible circuit board is prevented from being damaged and broken, and the service life of the flexible circuit board is ensured.

The utility model relates to the technical field of cables, in particular to a cable capable of preventing a cable core from being broken, which comprises a wear-resistant layer, a stretch-resistant layer arranged inside the wear-resistant layer, a flame-retardant layer arranged inside the stretch-resistant layer, an elastic buffer layer arranged inside the flame-retardant layer, a heat-insulating layer arranged inside the elastic buffer layer, and a heat-insulating layer arranged inside the heat-insulating layer. A plurality of insulating layers are arranged in the thermal insulation layer, and cable cores are arranged in the plurality of insulating layers. Compared with the prior art, the tensile performance of the cable is good through the arrangement of the tensile layer, external acting force encountered by the cable can be shared through the cooperation of the tensile layer, the central stress strip and the plurality of supporting strips, the external acting force can be buffered through the elastic buffer layer, and the service life of the cable is prolonged. The situation that external acting force directly acts on the cable core is greatly avoided, then the situation that the cable core is damaged and broken is avoided, and normal use and the service life of the cable are guaranteed.

The present invention relates to the technical field of bridge engineering, and discloses a self-resetting prefabricated assembled bridge pier and a construction method thereof, wherein the self-resetting prefabricated assembled bridge pier comprises a prefabricated pier column and a foundation pedestal, and also comprises a first prestressed tendon and an energy-absorbing connector; the bottom of the prefabricated pier column and the foundation pedestal are connected to form a whole through the first prestressed tendon and the energy-absorbing connector respectively. The present invention has a simple structure, convenient operation, and high construction efficiency. The assembled bridge pier after construction has self-resetting property and good anti-overturning property, and effectively solves the problem that the corner of the existing assembled bridge pier is easily damaged and broken due to stress concentration, and is easy to repair the damaged part.

The side shifter comprises a fixed frame, a sliding frame and a driving part, the sliding frame is provided with a sliding groove with a downward opening, the sliding frame is fixedly connected with a protrusion located at the position of the opening of the sliding groove, the sliding frame is detachably provided with a wear-resisting lining plate, the wear-resisting lining plate is attached to the inner wall of the sliding groove, and the driving part is fixedly connected with the protrusion. The fixing frame is detachably provided with a supporting plate, the supporting plate is attached to the wear-resistant lining plate, the supporting plate is in sliding connection with the wear-resistant lining plate, the driving part is installed on the fixing frame, and the output end of the driving part is connected with the sliding frame. The utility model further discloses a pallet fork which comprises the side shifter. The side shifter has the advantages that the abraded abrasion-resistant lining plate and the abraded supporting plate can be detached and replaced with new abrasion-resistant lining plates and new supporting plates, so that the structural stability of the side shifter can be guaranteed, the side shifter is prevented from being damaged and broken after being used for a long time, and the reliability is good.