80 results about "Foot protection" patented technology

The utility model relates to the technical field of combat boot physical training soles, and discloses a combat boot physical training sole with an energy recovery power-assisted carbon plate, which comprises a rubber outsole, the outer edge of the rubber outsole extends upwards, the middle position of the rubber outsole is sunken inwards, and the energy recovery power-assisted carbon plate is arranged in the middle of the rubber outsole. A high-density EVA material and a foaming material are sequentially arranged on the inner side of the rubber outsole from top to bottom, a containing groove is formed in the top face of the foaming material, a power-assisted supporting carbon plate and a supercritical damping module are placed in the containing groove, the power-assisted supporting carbon plate is obliquely arranged, and the right end of the power-assisted supporting carbon plate is in lap joint with the supercritical damping module. By additionally arranging the power-assisted supporting carbon plate, the texture and the performance of the combat boot physical training shoes are integrally improved; in the running process, when the front sole kicks on the ground to exert force forwards, the rigidity of the power-assisted supporting carbon plate is utilized, forward and upward force is exerted on the whole shoe body through the lever principle, the foot protection capacity of a user is improved, and the moving capacity of the user is improved.

The utility model relates to a structure for treating permeation stability of a double-layer embankment foundation, which comprises the embankment foundation, an embankment body is arranged above the embankment foundation, a clay inclined wall is arranged on the upstream side of the embankment body, the bottom of the clay inclined wall is connected with the top of a high-pressure-spraying anti-seepage wall, the bottom of the high-pressure-spraying anti-seepage wall extends into an impervious layer, and the bottom of the high-pressure-spraying anti-seepage wall is connected with the top of the high-pressure-spraying anti-seepage wall. The slope toe of the clay inclined wall is provided with a concrete interlocking block and a grouted rubble foot protection part, the top elevation of the concrete interlocking block protection part is higher than the embankment foot backfill ground line, a geomembrane is arranged at the top of the high-pressure-spraying anti-seepage wall and is laid in the geomembrane tooth groove laying direction, and one end of the geomembrane is fixed in the geomembrane tooth groove fixing direction. The embankment body adopts the clay inclined wall, so that the anti-seepage effect is good, and the embankment foundation deformation adaptability is high. The high-pressure spraying anti-seepage wall is adopted in the embankment foundation, seepage can be effectively blocked, the seepage path can be effectively prolonged, and seepage damage is prevented.

The utility model belongs to the technical field of commercial air conditioners, and particularly discloses a rubber foot pad used for protecting feet of an outdoor unit of a heat pump unit. The rubber foot pad is provided with a transverse inserting groove matched with a foot margin of an outdoor unit of the heat pump unit, the thickness of a rubber layer on the upper portion of the transverse inserting groove is smaller than that of a rubber layer on the lower portion of the transverse inserting groove, and a fixing through hole is formed in the position, corresponding to a bolt hole of the foot margin, of the rubber foot pad. And the inner side edge of the transverse slot is opened. When the heat pump unit outdoor unit leaves a factory, the foot margin of the heat pump unit outdoor unit is inserted into the transverse slot of the rubber foot pad. During logistics transportation, the rubber foot pads and the ground feet are fixed on the wooden underframe through bolts through the retention through holes. When the rubber foot pad is installed on the spot, the rubber foot pad and the foot margin are fixed to a support used for supporting an outdoor unit of the heat pump unit through the fixing through holes in a bolted mode. Sufficient support is provided for the heat pump unit outdoor unit, and the use experience of a user is improved.

The utility model relates to a garden shoe with a foot protection function, which belongs to the technical field of garden shoes and comprises a garden shoe sole, a garden shoe vamp is fixedly connected to the top of the garden shoe sole, the garden shoe vamp and the garden shoe sole are integrally formed, exhaust holes are formed in the garden shoe vamp, a rotary shoe strap is rotatably connected to the garden shoe vamp, and the rotary shoe strap is connected with a foot protection device. The garden shoe vamp is provided with long-strip-shaped air holes, a quick-release type closing assembly used for closing the long-strip-shaped air holes and a decorative type closing assembly used for closing the exhaust holes, and a puncture-resistant insole is arranged at the bottom of the garden shoe sole. The connecting strips are installed on the outer side walls of the two sides of the puncture-resistant insole, the connecting holes are formed in the connecting strips, the positioning assemblies used for positioning the connecting strips are installed on the outer side walls of the two sides of the garden shoe sole, and when a user walks on complex road surfaces such as the field, the garden shoe can protect the foot of the user from the bottom and the top, so that the user feels comfortable. The protection effect is good.

The utility model discloses a combined economical environment-friendly transportation packaging box which comprises a box frame, side plates, a lower edge strip block, an upper edge strip block, a box cover, a clamp connecting piece and a foot protection piece, the side plates are arranged on five window frames on the box frame, the lower edge strip block is installed on the edge of the rest window frame, and the upper edge strip block is installed on the edge of the rest window frame. The lower edge strip blocks are fixedly connected with the upper edge strip blocks located on the box cover through distributed clamping hoop connecting pieces, and the two ends of each clamping hoop connecting piece are in an inward-rolling structure state. The box opening and the upper box cover are fixedly connected together through the hoop connecting piece of a stainless steel structure, a traditional nailing mode is replaced, disassembly and assembly are convenient, the flexibility of distribution and adjustment of connecting and fixing positions is high, meanwhile, the frame type box frame mode is adopted, combined installation is carried out in combination with the side plates, recycling can be achieved, and economical and environment-friendly effects are achieved.

The utility model discloses an adsorption type foot protection device for a tunnel primary support steel arch, which is used for protecting a connecting plate at an arch foot of the primary support steel arch, and is characterized by comprising a bottom plate, the side plate is vertically connected to one side of the bottom plate; the cover plates are respectively connected to two side positions between the bottom plate and the side plates; and a gap is formed between the cover plate and the bottom plate. The foot protection device has the advantages that the foot protection device can be firmly connected to the arch foot of the steel arch and can be firmly clamped to the connecting plate through the gap, and the connecting plate and bolt holes in the connecting plate are effectively prevented from being wrapped or covered by concrete. When the steel arch needs to be used, only the foot protection device needs to be removed. The device is simple in structure, convenient to operate, high in protection efficiency and high in practicability.

The utility model discloses a foot protection structure for an urban U-shaped river channel, which comprises a box body, a plurality of pile bodies are fixedly connected with the box body, each pile body is positioned under the box body, a concrete layer, a block stone layer and a planting soil layer are sequentially arranged in the box body from bottom to top, an original retaining wall revetment forms effective protection, and the foot protection structure has an ecological greening effect, is lower in cost and is convenient to use.

The utility model provides a foot protection device for an ancient tree overhead worker, which relates to the technical field of foot protection devices and comprises a shoelace-free shoe, a protection block is arranged at the bottom of the shoelace-free shoe, and two fixing ropes are arranged on the outer side of the shoelace-free shoe; the telescopic assembly is arranged between the shoelace-tying-free shoe and the protection block and comprises a motor b, a rotating cam, a short nail, a clamping block, a motor a, a cam, a hook claw and a clamping plate; the mounting assembly is arranged on the outer side of the shoelace-tying-free shoe and comprises a limiting buckle a, a bandage, a limiting buckle b and a limiting buckle c. According to the foot protection device, the friction force and the adhesive force between the shoe sole and the surface of a tree can be increased through the arrangement of the telescopic assembly, the risk of slipping is reduced, and it can be ensured that the protection device cannot fall off from a shoe during use through the arrangement of the installation assembly.

The invention relates to the technical field of water conservancy projects, and discloses an accropode and scattered riprap combined foot protection structure and a visual underwater construction method, and the foot protection structure comprises an accropode blocking area, a first scattered riprap area and a second scattered riprap area which are sequentially and transversely laid in the direction from a river channel slope toe to a bank slope. According to the accropode and scattered riprap combined foot protection structure and the visual underwater construction method, the accropode and scattered riprap combined foot protection structure is sequentially composed of an accropode blocking area, a first scattered riprap area, a second scattered riprap area, a slope connecting stone area and a grouted building block stone area, the accropode blocking area can effectively block stone blocks in a designated area, and under the condition that water flow continuously scours the stone blocks, the stone blocks can be effectively blocked by the accropode blocking area; according to the technical scheme, riprap rolling and loss can be achieved, throwing missing or repetition can be avoided according to divided grids, throwing uniformity is improved, the forming quality of a throwing section is guaranteed, the block stone loss rate is reduced, and the slope connecting stone area and the grouted building block stone area can effectively slow down water flow scouring and avoid water and soil loss.

The invention relates to a column foot protection device suitable for multiple types of stand columns, belongs to the field of constructional engineering, aims to solve the problem that an existing column foot protection device cannot conveniently protect column feet of different specifications and sizes and column foot corners of different angles according to actual requirements, and comprises a first rubber protection plate and a storage frame. And one end of the first rubber protection plate is rotationally connected with a connecting shaft, the connecting shaft is fixedly connected with a second rubber protection plate, and an assembly type connecting assembly is installed in the storage frame. According to the device, through rotation of an arranged winding drum, all the first rubber protection plates and the corresponding second rubber protection plates can be tightly attached to the corners of the column feet of different specifications and sizes in cooperation with tension springs, and by means of elasticity and rotation cooperation of all the first rubber protection plates and the second rubber protection plates, the first rubber protection plates and the second rubber protection plates can be tightly attached to the corners of the column feet of different specifications and sizes; the column foot protection device can be suitable for right-angle, round-angle or other types of stand column feet, and the practicability and applicability of the column foot protection device are effectively improved.

This utility model relates to the technical field of foot drop prevention and care devices, and discloses a foot drop prevention and care device with foot protection function, including a protective block and a first fixing strap. A first connecting block is fixedly installed at the middle of the front end of the protective block, a first fixing ring is fixedly installed at the front end of the first connecting block, and a foot protective sleeve is fixedly installed at the front end of the first fixing ring. Multiple elastic massage blocks are fixedly installed on the inner surface of the protective block, and a fixing block is fixedly installed at the lower end of the protective block. The protective block includes a base layer, and a wear-resistant layer is fixedly installed on the outer surface of the base layer. A second connecting block is fixedly installed at the rear side of the upper end of the protective block. In this utility model, the foot protective sleeve can protect the front end of the patient's foot, the elastic massage blocks on the inner surface of the protective block can massage the foot, and the second fixing strap, together with the first fixing rod and the Velcro body, can tighten the protective block, wrap the patient's foot tightly, and prevent collision with external objects.

The utility model relates to the technical field of medical auxiliary instruments, in particular to a foot protection frame which comprises a limiting shell and a bearing plate, the side face of the limiting shell is connected with a tightening belt used for tightening through bolts, the lower surface of the limiting shell is connected with the upper end of the bearing plate in a clamped mode, and the inner wall of the bearing plate is connected with a rotating shaft used for transmission in a clamped mode. The upper end of the bearing plate is connected with a rubber pad used for protection through a bolt, and the upper end of the rubber pad is connected with a massage ball used for limiting in a clamped mode. According to the foot protection frame, through cooperative arrangement of the bearing plate, the rotating shaft, the rubber pad and the massage balls, when a patient uses the foot protection frame, the foot is placed at the upper end of the rubber pad, the rubber pad fluctuates through rotation of the rotating shaft, meanwhile, the massage balls at the upper end of the rubber pad massage and stimulate the foot of the patient, and the situation that when an existing device is used by the patient, the foot is not damaged is avoided. The problem that the function of only protecting the feet of the patient is relatively single is solved, and meanwhile, a soft contact surface is provided for the feet of the patient by virtue of the arrangement of a rubber pad.

The utility model relates to the field of skirting lines, and discloses a skirting line protection assembly which comprises a skirting line body, one side of the skirting line body is movably connected with a mounting plate, the bottom of the mounting plate is fixedly connected with a sliding block, one side of the mounting plate is fixedly connected with a protection spring, one end of the protection spring is fixedly connected with a protection plate, and the other end of the protection plate is fixedly connected with a sliding block. And one side of the skirting body is movably connected with a rubber strip. According to the skirting protection assembly, the skirting body, the mounting plate, the sliding block, the sliding groove, the protection spring, the protection plate and the rubber strip are arranged, so that the skirting has a good protection effect; after the skirting line body is installed, the protection spring can be matched with the protection plate and the rubber strip to improve the buffering protection performance after the skirting line body is collided, so that the skirting line body is prevented from being damaged due to collision, the service life of the skirting line body is prolonged, and the use requirements of people are met.

The utility model discloses a reservoir inundated area accumulation body treatment water permeability structure which comprises an anti-sliding retaining wall arranged on a slope toe of an unstable accumulation body, a block stone foot protection structure is arranged at the bottom of the retaining wall on the outer side of the anti-sliding retaining wall, and a plurality of anti-sliding steps are arranged on the slope surface of a slope of the unstable accumulation body. Inverted filter geotextile is laid on the surface of the anti-skid step, a back pressure backfill structure is arranged on the anti-skid step, and a dry stone protective surface structure is arranged on the surface of the back pressure backfill structure. The reservoir accumulation body is treated in a presser foot mode, the whole structure has water permeability, underground water in the accumulation body can be drained in time according to the water level change condition of the reservoir area, large seepage pressure is prevented from being formed in the accumulation body, and the stability of the accumulation body is effectively guaranteed; and an effective treatment structure is provided for the treatment of the accumulation body in the submerged area of the reservoir. The problems that an existing accumulation body treatment scheme is poor in water stability and cannot adapt to long-term water immersion of accumulation bodies in a reservoir submerging area, and the stability is mainly affected by water storage are solved.

To provide a pile for an outer excavated foot protection method, and an outer excavated foot protection method, which are capable of improving the integrity between a pile tip part and a foot protection part.SOLUTION: A pile 1 for an outer excavated foot protection method is installed in a pile hole 5 in a straight shape. The pile 1 is provided wit a cylindrical concrete pile body 2 and a plurality of groove parts 3 having groove bottom parts with diameters smaller than that of the pile body 2 arranged on an outer peripheral surface of a support layer foot penetration part of the pile body 2. The groove part 3 has a taper part 3a on a corner part. All of the number thereof in accordance with a pile diameter D are within a length from a tip part of the pile body 2 installed in a support layer 8 to a length equal to a pile diameter D.SELECTED DRAWING: Figure 1

The utility model provides a split type brace shell with a good ventilation effect, and relates to the technical field of fracture protectors, the split type brace shell comprises a flexible lining, a foot protection hard shell and an outer ventilation pipe, the lower portion of the flexible lining is attached to the inner side of the foot protection hard shell, the bottom of the foot protection hard shell is fixedly connected with the outer ventilation pipe, and the outer ventilation pipe is fixedly connected with the outer ventilation pipe. Through ventilation holes are formed in the upper portion and the lower portion of the flexible lining in an array mode, upper connecting pieces are riveted to the two sides of the upper portion of the foot protection hard shell, the ventilation holes of the leg protection hard shell are communicated with the ventilation holes in the upper portion of the flexible lining in an aligned mode, and the ventilation holes of the foot protection hard shell are communicated with the ventilation holes in the lower portion of the flexible lining in an aligned mode. The inner fan sends air into the outer ventilation pipe and the ventilation holes, air flow of the legs and the feet on the inner side of the flexible lining is enhanced, the air permeability of the legs and the feet on the inner side of the flexible lining is improved, and the problem that the legs and the feet are very stuffy due to the fact that the air permeability of the legs and the feet on the inner side of the brace shell is poor is solved.

The utility model discloses a shock-absorbing sports sock, which comprises a sports sock body, the sports sock body comprises a sock sole, a sock instep, a sock leg and a sock welt, three shock-absorbing protective pads are arranged at the sock sole, and the shock-absorbing protective pads are respectively positioned at a sock tip, a sock heel and a front sole of the sock sole between the sock tip and the sock heel; a plurality of vertical contraction damping strips are distributed at the position of an ankle where the bottom of the sock leg is in transition with the sock sole, the bottoms of the vertical contraction damping strips are tightly attached to the sock heel, and a plurality of transverse contraction damping strips are distributed at the position of a heel muscle key of the sock sole. The sock is reasonable in structural design, comfortable to wear, good in air permeability and better in buffering performance, the foot is well protected, the current situation that the foot sole of a long-distance runner is blistered, and fingernails are blackened due to insufficient blood supply of the fingernails after long-term exercise is greatly improved, and the foot of the long-distance runner is really protected by the sock due to shock absorption.

The utility model discloses an anti-scouring protection foot for a bridge pier bearing platform, which comprises concrete special-shaped blocks, an embedded metal framework, a self-locking structure, a grass planting plate and a grouting anchor rod, and the plurality of concrete special-shaped blocks are arranged near the bridge pier in the upstream and downstream riverbed areas of the bridge pier; the embedded metal framework is located in the concrete special-shaped block. The grouting anchor rod is connected with the pre-embedded metal framework and a riverbed bedrock or a deep stable soil layer; the self-locking structures are located at the bottoms of the column supports, and every two adjacent self-locking structures are connected through a chain. The grass planting plate is installed on the upper surface of the inclined support. The concrete special-shaped block is placed on the upstream riverbed near the pier and used for reducing flowing of riverbed silt and gravel and the flow speed of water flow, the grouting anchor rod is used for fixing the concrete special-shaped block to the riverbed, high-strength mucilage is injected into the nearby riverbed for condensation, soil around a pier pile foundation is solidified, and finally the rigid overall scour prevention structure is formed. The device is attached to the riverbed surface and tightly attached to the bridge pier, and scouring points are not prone to being generated.

The utility model relates to the technical field of foot margin protection, and discloses a ball mill foot margin protection mechanism which comprises a cement base, a bearing seat plate and a foot margin bolt, the bearing seat plate is supported on the surface of the cement base, and the foot margin bolt penetrates through a penetrating opening to reach the position above the bearing seat plate. A lower rubber sleeve and a lower gasket are sleeved on the outer ring of the foundation bolt below the bearing seat plate, an upper rubber sleeve and an upper gasket are sleeved on the outer ring of the foundation bolt above the bearing seat plate, a nut is screwed on the outer ring above the foundation bolt, and a waterproof sleeve is sleeved on the outer ring above the nut. According to the technical scheme, the upper rubber sleeve and the lower rubber sleeve are arranged on the outer rings of the foundation bolts above and below the bearing seat plate in a sleeving mode, the waterproof sleeve is sleeved after the structure is locked through the nut, and the upper rubber sleeve and the lower rubber sleeve can prevent surface threads of the foundation bolts from making contact with a penetrating opening of the bearing seat plate to be abraded in the working process; due to the sealing effect of the upper rubber sleeve, the lower rubber sleeve and the waterproof sleeve, the foundation bolt can be prevented from making contact with water, and the anti-rust purpose is achieved.

The utility model relates to the technical field of spacewalk machines, in particular to a spacewalk machine protection device which comprises a supporting mechanism, one side of the supporting mechanism is rotationally connected with one side of a rotating mechanism, and one side of the rotating mechanism is movably connected with one side of a foot protection mechanism. The inner wall of the foot protection mechanism is fixedly connected with one end of an extrusion mechanism, a pushing plate is moved by a tiptoe to move the pushing plate, the pushing plate moves to drive a moving block to extrude a connecting spring, meanwhile, the pushing plate is limited through a limiting block, and a heel is blocked by a stopping block and a rubber sheet; meanwhile, a pushing plate moves through resetting of a connecting spring, when the pushing plate moves, the outer wall of the pushing plate does not block the clamping plate any more, resetting of a reset spring drives the clamping plate to clamp the two sides of the foot, resetting of the connecting spring drives the pushing plate to move, and meanwhile, through blocking of a stopping block and a rubber sheet, the clamping plate is clamped; and the protection of the device on the feet of the user is facilitated.

The utility model discloses a foot protection device of preventing pressure sore, including protection pad, both sides of protection pad are fixedly connected with first buffer pad and second buffer pad respectively, protection pad is equipped with two ankle joint and heel placement opening, first buffer pad is equipped with the U -shaped groove of size adaptation with ankle joint placement opening, protection pad adopts the breathable sponge material, and the inside fills memory cotton, first buffer pad and second buffer pad are all silica gel material, and the surface is provided honeycomb breathable hole, the utility model discloses through the elastic buffer effect of first buffer pad and second buffer pad, the pressure of ankle and heel part is evenly dispersed, avoids the local sustained pressure to lead to ischemia and anoxia, and simultaneously, the breathable material of protection pad and buffer pad can keep the foot dry, reduces the growth of perspiration, reduces the risk of skin damage.

The invention discloses a reinforced anchor rod, a riverway improvement ecological protection slope and a construction method thereof, belongs to the technical field of riverway improvement, and solves the problem that a gabion protection slope support fails due to the humidity change of a soil body. According to the reinforced anchor rod, a drill bit is slidably connected into an anchor rod body, a rotating rod is located in the anchor rod body, the lower end of the rotating rod is fixed to the drill bit, a propelling disc is arranged at the upper end of the anchor rod body, the upper end of the rotating rod penetrates through the propelling disc and is slidably connected with the propelling disc, and a fixing ring is arranged on the inner wall of the anchor rod body; a plurality of torsion springs are arranged between the fixing ring and the top of the drill bit. The ecological protection slope for river regulation comprises a gabion protection slope and a gabion foundation, the gabion foundation is connected with gabion protection feet, and the gabion protection feet are laid on a riverbed; and a plurality of reinforced anchor rods are arranged between the gabion protection slope and the riverbed. The whole supporting strength is guaranteed through automatic drilling of the drill bit and automatic stretching and retracting of the insertion rod. The whole riverbed does not need to be excavated and backfilled, and the excavation and backfilling amount of gabion protection foot construction is reduced.

[Problem] The present invention relates to a molding frame device for a civil engineering work bag that is used when filling the civil engineering work bag with a filling material in the manufacture of a large-sized foot protection unit that can be used in foot protection work, revetment work, temporary foundation work, and the like. [Solution] This molding frame device 1 for a civil engineering work bag is characterized by comprising a molding frame body 10 having an open upper opening, the molding frame body 10 having a tapered expanded-diameter section H2 the diameter of which increases upward, and a rising section H1 rising from the upper edge of the expanded-diameter section H2, the angle of the inner surface of the rising section H1 with respect to the axial direction of the molding frame body 10 being smaller than the angle of the inner surface of the expanded-diameter section H2 with respect to the axial direction of the molding frame body 10.

The utility model relates to the technical field of detection instruments, in particular to a hand and foot surface contamination detector which comprises an installation body provided with a hand detector and a foot detector, and a foot protection cover which can rotate and is used for covering the foot detector is arranged on the foot detector; a detection module electrically connected with the foot protection cover is further arranged on the mounting main body, and the detection module is used for identifying a to-be-detected person so as to realize automatic opening or closing of the foot protection cover. The detection module intelligently identifies the to-be-detected person, the foot protection cover can be better promoted to be automatically opened and closed, on one hand, dust, other heavy objects and the like can be better prevented from falling on the surface of the foot detector, and a measurement film on the foot detector is prevented from being damaged; on the other hand, cross contamination caused by the fact that the foot protection cover needs to be manually operated can be well avoided.

The utility model discloses a key switch, which relates to the technical field of switches and comprises a four-pin protection switch, a current-limiting resistor and an anti-static impact protection bidirectional diode. A first pin and a third pin of the four-pin protection switch are connected and then connected with the current-limiting resistor, and the current-limiting resistor is connected with a first pin of the bidirectional diode; the second pin and the fourth pin of the four-pin protection switch are connected and then connected with the second pin of the bidirectional diode. According to the utility model, by introducing the bidirectional diode, the resistance of the key switch to electrostatic discharge is effectively improved, and the risk of circuit damage caused by electrostatic impact is reduced. The current-limiting resistor is added to limit the current passing through the circuit, so that the circuit fault caused by overlarge current is prevented, and the stability of the circuit is further improved. And all elements are welded on the circuit board, so that the assembling process of the circuit is simplified, and subsequent maintenance and replacement are also facilitated.

The utility model provides a protection device for preventing pressure injury, and relates to the technical field of medical instruments. The inner side of the foot protection frame is fixedly connected with a foot buffer pad; a placing pressing plate is slidably connected into the foot buffer pad; placing the pressing plate to be aligned with the position of the foot protection frame; a popliteal space pad is fixedly connected to the front part of the top end surface of the placement pressing plate The popliteal space pad is aligned with the foot buffer pad; two fixed rotating shafts are symmetrically and rotationally connected in the foot protection frame; a connecting frame is fixedly connected to the outer part of each of the two fixed rotating shafts; and the two connecting frames are arranged in the foot protection frame. When the feet of a patient are placed in the foot protection frame, a placing pressing plate can be pressed downwards under the action of the gravity of the feet of the patient, then a limiting ring is driven to turn over through a series of transmission to limit the legs of the patient, and the problem that medical staff usually need to use an elastic belt to limit the feet of the patient is solved. And the operation is relatively tedious.

The application relates to the technical field of hydraulic engineering, and discloses a combined foot protection structure of twisted king blocks and scattered riprap and a visual underwater construction method, which comprises a twisted king block sealing area, a first scattered riprap area and a second scattered riprap area which are sequentially laid transversely from a river slope foot to a bank slope. The combined foot protection structure of twisted king blocks and scattered riprap and the visual underwater construction method sequentially comprise the twisted king block sealing area, the first scattered riprap area, the second scattered riprap area, a slope connecting stone area and a mortar masonry area. The twisted king block sealing area can effectively seal the block stones in the specified area, avoids the rolling and loss of the riprap under the condition of continuous water flow scouring, and can be sequentially divided into blocks and layers according to the divided grid, so that the missing or repetition of the throwing and dropping is avoided, the uniformity of the throwing and dropping is improved, the forming quality of the throwing and dropping section is ensured, and the block stone loss rate is reduced. The slope connecting stone area and the mortar masonry area can effectively slow down the water flow scouring and avoid the water and soil loss.

The utility model relates to the technical field of elevator toe guards, and discloses a folding type elevator toe guard assembly which comprises an elevator bottom plate, a side frame is fixedly assembled at the bottom of the elevator bottom plate, a toe guard main plate is rotatably connected to the inner wall of the side frame, and a toe guard auxiliary plate is slidably connected to the inner wall, close to the bottom, of the toe guard main plate. The inner wall, close to the bottom, of the foot protection auxiliary plate is rotationally connected with a circular plate. When the bottom of the foot protection auxiliary plate is impacted, the side face of the foot protection auxiliary plate slides on the inner wall of the foot protection main plate, the outer edge of the sliding rod is driven to slide in the inner wall of the inner cylinder, the outer edge of the sliding cylinder slides in the inner wall of the outer cylinder, the inner wall of the sliding cylinder is driven to slide on the outer edge of the inner cylinder, and then the sliding cylinder drives the outer edge of the magnet ring to slide in the inner wall of the coil. Electromagnetic damping is generated on the magnet ring through the coil, then the sliding barrel is assisted to drive the foot protection auxiliary plate to conduct damping protection, the spring is used for assisting in pushing the outer barrel to move in the direction away from the inner wall of the foot protection main plate at the top of the outer barrel, and then the foot protection auxiliary plate is assisted to reset.