85results about How to "Increase ground area" patented technology

The invention relates to a machine leg for a multi-legged robot, belongs to the technical field of mobile carriers, and solves the problems that in the multi-legged robot scheme in the prior art, in order to keep the distance between a trunk and the ground, a motor needs to be powered up for keeping, and limited energy carried by the multi-legged robot is wasted. The multi-legged robot leg comprises a base joint unit, a first leg unit, a second leg unit and a third leg unit, one end of the base joint unit is connected with a trunk of a multi-legged robot, the other end of the base joint unit is connected with the first leg unit, and the two ends of the second leg unit are connected with the first leg unit and the third leg unit respectively. Self-locking can be achieved by changing the first screw and the first gear, when the first motor is not powered on, the first screw can prevent the first gear from rotating, it is ensured that the included angle between the first leg unit and the trunk of the multi-legged robot is not changed, the first motor does not need to be powered on any more, and limited energy carried by the multi-legged robot is saved.

The utility model relates to the technical field of building construction equipment, and discloses a supporting structure for a building, which comprises a supporting top plate and a connecting box, supporting columns are fixedly arranged on the bottom side of the end part of the supporting top plate, and a height adjusting assembly for connecting and supporting the upper and lower supporting columns is arranged between the supporting columns. A bottom supporting assembly is arranged at the bottom of the lower supporting column, and a supporting reinforcing assembly is arranged between the upper supporting column and the supporting top plate. A threaded column can be driven to rotate in a threaded groove of an upper supporting column by rotating a polyhedral column, so that the upper supporting column can be driven to move upwards or downwards, namely, a supporting top plate can be driven to ascend and descend, the supporting height can be adjusted according to the actual site situation, and then a threaded rod can be driven to rotate in a supporting cylinder by pulling a fixing rod. Therefore, when the supporting top plates on the two sides are far away from the stretching length, the inclined supports can be adjusted synchronously along with adjustment of the supporting length, and therefore the supporting stability can be improved.

The Mecanum wheel with the damping function comprises a rim used for installing a double-layer roller set, the rim is installed on a hub, and the rim comprises an inner-layer roller installation frame, a middle-layer roller installation frame and an outer-layer roller installation frame which are arranged in parallel; a plurality of rollers are uniformly distributed and mounted between the inner-layer roller mounting frame and the middle-layer roller mounting frame in the circumferential direction to form an inner-layer roller group, a plurality of rollers are uniformly distributed and mounted between the middle-layer roller mounting frame and the outer-layer roller mounting frame in the circumferential direction to form an outer-layer roller group, and an elastic body layer is arranged on the periphery of each roller. According to the Mecanum wheel, vibration caused by the structure problem of the Mecanum wheel can be eliminated.

The utility model discloses a driverless vehicle climbing test device, which belongs to the technical field of driverless vehicles, and comprises a substrate, the left side of the substrate is fixedly connected with a vertical plate, one side of the vertical plate is fixedly provided with a motor, and the output end of the motor is fixedly connected with a threaded rod. And one side of the surface of the threaded rod is in threaded connection with a threaded sleeve. The motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move transversely, the threaded sleeve drives the transverse plate to move, the transverse plate drives the first movable shaft to move, and the first movable shaft drives the second movable shaft to move transversely under the cooperation of the movable rod. The second movable shaft drives the guide block to transversely slide in the inner wall of the guide groove, and in the moving process, the guide block is used in cooperation with the hinge shaft, so that the angle of the test plate is changed, the purpose of adjusting the gradient is achieved, and the device can be suitable for testing vehicles with different gradients.

The invention provides an agricultural inflation and deflation system with a load sensor, an agricultural inflation and deflation method and a harvester. An agricultural inflation and deflation system with load sensors comprises a pair of load sensors, a control valve set, an air source, a plurality of wheel side valves, a plurality of tires, a front axle and a rear axle, the pair of load sensors are installed on the front axle and the rear axle respectively, and the control valve set is connected with the air source and the wheel side valves through pipelines respectively. The plurality of wheel side valves are respectively connected with the plurality of tires, and the plurality of tires are respectively arranged on the front axle and the rear axle.

The utility model discloses a kind of conductor shielding terminal annular array ground structure, the utility model relates to electrical engineering technical field, the utility model, comprising: connecting end, the outer wall of the connecting end is slidably connected with annular device, the annular device is locked by rotating mode, the bottom of the annular device is fixedly connected with grounding device, the annular device includes receiving end;By setting the cooperation of annular device and grounding device, the contact of the circumferential array arrangement in receiving end inner wall is slidably connected with connecting end, forms 360 ° full circumferential conductive passage, compared with traditional single-point grounding mode, contact area is improved by more than 3 times, lock ring is rotated 30 ° by dialing dial piece, the locking of connecting end and annular device can be completed, main sharp cone cooperates bulldozing block design, soil resistance is reduced, can directly penetrate clay layer with greater hardness;Sub sharp cone is automatically unfolded in soil extrusion during soil entering, forms umbrella-like grounding network, the purpose of equivalent grounding area expansion.

The utility model relates to the technical field of engineering building equipment, in particular to a civil engineering building structure reinforcing device which comprises a stand column and two transverse plates, the two transverse plates are arranged on the two sides of the stand column, an expansion component is installed between the two transverse plates, and the expansion component comprises a movable plate, a rack plate, a rotating rod and a protection cavity. Sliding grooves are formed in the two transverse plates correspondingly, the moving plate is slidably connected into the sliding grooves, one end of the rack plate is rotatably connected to the moving plate, a through groove is formed in the stand column, the rotating rod is slidably connected into the through groove, and the two protection cavities are rotatably connected between the two transverse plates. When a scaffold needs to be installed, the circular ring is rotated reversely, the circular ring can move downwards and push the transverse plates to be in a horizontal state through the inclined plates, the grounding area of the stand column is increased, and the stand column and the scaffold on the upper side are made to be better in stability.

The utility model provides a graphite-based flexible grounding material connecting device, which belongs to the technical field of graphite bases and is provided with a fixing mechanism and a take-up mechanism. The fixing mechanisms are arranged in multiple rows, each fixing mechanism comprises a plurality of grounding blocks and a connecting beam, the connecting beams are used for connecting the grounding blocks, and the fixing mechanisms are used for fixing an electric wire to the ground; the take-up mechanism is fixedly arranged on the lower wall of the connecting beam, the take-up mechanism comprises a clamping groove, a rotating mechanism and a volute spring, a power transmission line penetrates through the take-up mechanism, and the take-up mechanism is used for tightening the loosened power transmission line; the clamping groove is of a circular groove structure, the groove wall is open, and the two ends of the opening extend outwards. The problem that the use performance of a power transmission line is affected by loosening and drooping of the power transmission line due to the fact that the power transmission line laid outdoors slowly generates a small tensile force under external force rolling can be solved.

The utility model belongs to tire technical field, concretely relates to a kind of non-pneumatic tire buffer support and the non-pneumatic tire prepared by it. The buffer support is sequentially support outer ring, support spoke piece, support inner ring along tire ground side to inside, its characterized in that, the support spoke piece is located between support outer ring and support inner ring, support spoke piece is evenly distributed in radial along circumference, support spoke piece is in the shape of truncated cone, support spoke piece cross section gradually decreases from tire inside to outside, one end of section is fixedly connected with support inner ring, one end of section is fixedly connected with support outer ring. The non-pneumatic tire has the same support ability and buffering performance as pneumatic tire, completely solves the problem of tire burst of pneumatic tire, avoids traffic accident.

The utility model discloses a house surveying and mapping auxiliary positioning tool, which comprises a shell, an annular partition plate is fixedly connected to the middle position of the inner cavity of the shell, when the house surveying and mapping auxiliary positioning tool is used, after a surveying and mapping instrument is fixed at the top of a box body, a supporting column is pulled to be far away from the shell, and a first T-shaped rod is inserted into an inner cavity of a first blind hole on the inner side; the grounding area of the positioning tool can be increased by inserting a first T-shaped rod into an inner cavity of a first blind hole, then a supporting plate can be placed on the ground by inserting a second T-shaped rod into an inner cavity of a second blind hole in the lower portion, so that the use stability of the positioning tool is improved, and through linkage arrangement of a square hole round pipe, a round plate, an electric rod, a square rod, a transmission gear, a driven gear and a servo motor, the positioning tool is convenient to use. The height of the surveying instrument can be adjusted by starting an electric rod, and the angle of the surveying instrument can be adjusted through the work of a servo motor, so that the convenience and flexibility of the surveying instrument during use are improved.

The invention discloses a multifunctional saw blade grinding and polishing device, and relates to the technical field of electric saw accessories. The device comprises two shell fixing claws which are rotationally installed mutually, splicing plates are fixedly installed at the bottoms of the shell fixing claws, two assembling holes are formed in the side walls of the two splicing plates, the same assembling bolt is inserted into the two assembling holes located in the same position, one end of the assembling bolt is in threaded connection with an assembling nut, and the other end of the assembling bolt is in threaded connection with the assembling nut. The two machine shell fixing claws are provided with the same grinding assembly. By arranging the grinding assembly, two steering plates are rotated, grinding plates face a saw blade, then adjusting bolts on the two sides are rotated to drive the two grinding plates to make contact with the two sides of the saw blade correspondingly, then the electric reciprocating saw is started, the saw blade conducts reciprocating motion, the grinding plates on the two sides grind and polish the saw blade, manual operation is not needed, and the working efficiency is improved. Polishing can be achieved through movement of the saw blade, and the operation difficulty and the operation risk are reduced.

The utility model relates to the technical field of jack, and disclose a lateral swing formula jack stable support, including support board, set up in the support board bottom for improving the support frame of overall stability and install in the support frame bottom for increasing the contact area and friction of ground stable net, the support board is opened with a plurality of diagonal distribution's round hole, the edge of stable net is fixedly provided with at least three groups of the connecting ring that is circumferential array distribution, the connecting ring is used for fixing stable net and support frame, the center of stable net is opened with through -hole, a plurality of convex blocks are fixedly installed in the grid junction of stable net, the utility model discloses the support frame initiative anchoring ground through the unfolding, and combine large -area antiskid stable net, formed double security mechanism, effectively solved the difficult problem that traditional support is easy to sink, slip and overturn on the complex ground.

The utility model discloses a kind of all terrain loaders of wheel-track composite drive, it is related to engineering technical field, comprising: vehicle body and at least one group wheel-track switching walking mechanism, wherein each group wheel-track switching walking mechanism includes: driving shaft, for receiving power input;Multiple tensioning wheel hubs, by multiple tensioning hydraulic devices and multiple wheel-track switching telescopic hydraulic devices are installed on the support;Track, it is arranged at the outside of tensioning wheel hub, annular protrusion or groove is arranged in its inside side;Tensioning hydraulic device and wheel-track switching telescopic hydraulic device are used to drive tensioning wheel hub to realize displacement and attitude change.The utility model sets up tensioning hydraulic device and wheel-track switching telescopic hydraulic device to drive the tensioning wheel hub to realize displacement and attitude change by being arranged as wheel-track switching walking mechanism, make track switch between circle and polygon, to reach the purpose of wheel-track switching of walking mechanism.

The utility model discloses a vine smoothing frame for planting melons, fruits and vegetables, which belongs to the technical field of vine smoothing frames and comprises a bottom plate, upright posts are fixedly connected to two sides of the top of the bottom plate, movable plates are movably connected to inner cavities of the upright posts, adjusting rods are fixedly connected to the tops of the movable plates, positioning holes are formed in the adjusting rods, and a top plate is fixedly connected to the tops of the adjusting rods. The stand columns and the positioning holes are fixedly connected through positioning bolts, movable shafts are fixedly connected to the back faces of the stand columns, hinge rods are hinged to the inner sides of the movable shafts, grounding plates are fixedly connected to one ends of the hinge rods, and I-shaped frames are fixedly connected to the tops of the grounding plates. The handle on one side of the moving plate is held to move upwards, the adjusting rod is driven by the moving plate to move upwards, the top plate is driven by the adjusting rod to move upwards, the movement is stopped when the top plate moves to a designated position, and then the positioning bolt is screwed into the inner wall of the positioning hole in the adjusting rod through an external tool, so that the use height of the top plate is fixed.

The utility model discloses an adjustable building template support device, include: support block, the both sides wall of support block is provided with the rotary seat symmetry, is provided with the mounting hole in the top vertical through of support block, the side support pole is rotated installation through rotary seat, and the fixed part is installed between the both sides side support pole, and two side support poles are locked through the fixed part, the upper end of sleeve is provided with the baffle ring, and the sleeve is inserted and fixed through mounting hole, and the baffle ring is limited in the top of support block, and the inner wall of sleeve is provided with internal thread, support rod is connected with sleeve thread, and the upper end of support rod is provided with support disc, the utility model discloses through the side support pole of adjustable angle of both sides and the support rod of central, constitutes a firm triangle support structure between ground and template, and the mechanical property is excellent. Ground plate increases the grounding area, and the anti -skidding tooth prevents slipping effectively, and the independent stability of device is greatly improved.

The invention provides an agricultural trailer inflation and deflation system and method and a trailer. An agricultural trailer inflation and deflation system comprises a control valve set, an air source connector, a plurality of wheel side valves, a plurality of tires, a trailer axle and an ISOBUS connector, the control valve set is connected with the air source connector and the wheel side valves through pipelines, the wheel side valves are connected with the tires, the tires are connected with the trailer axle, and the ISOBUS connector is connected with the trailer axle. The tires are installed on the trailer axle, and the ISOBUS connector is connected with the control valve set.

The utility model relates to and discloses an oil-gas field produced water treatment auxiliary device which comprises a laying base, a treading frame is movably installed on the top of the laying base, a steel wire net frame is fixedly installed on the inner wall of the treading frame, a plurality of sets of bearing strips are fixedly installed on the inner wall of the laying base, and the bearing strips are arranged on the laying base. The front surface and the back surface of the bearing strip are fixedly provided with arc-shaped partition plates, the inner walls of the arc-shaped partition plates are fixedly provided with a plurality of groups of liquid inlet net racks which are distributed at equal intervals, one side of the laying base is connected with a storage frame in an inserted mode, and the other side of the laying base is fixedly provided with a plurality of groups of liquid outlet pipes. By means of the installation mode that the device is embedded into the soil, the device is more attached to the water outlet position, drainage is conducted under the condition that construction is not affected, the soaking influence caused by excessive water flow gathering is relieved, and the damage influence on the soil at a drill bit opening is reduced.

This utility model belongs to the field of footwear manufacturing technology, specifically referring to a sports shoe sole; it includes a layered outer layer, a mid-layer, and an inner layer, and further includes: a forefoot widening structure fixed to the forefoot area of ​​the outer layer, including a first widening portion extending inward and a second widening portion extending outward; rib-shaped combination units arranged only at intervals in the forefoot to arch area of ​​the mid-layer, including a forward sloping portion inclined towards the toe and a rear sloping portion inclined towards the heel, the forward and rear sloping portions being connected in pairs to form a V-shaped structure; a heel covering structure located at the edge of the heel area of ​​the outer layer, extending upward to form a U-shaped covering portion; and a conical cushioning hole penetrating the inner layer and mid-layer along the layering direction, located within the enclosed area of ​​the U-shaped covering portion. This utility model improves propulsion efficiency through the forefoot widening structure working in conjunction with the rib-shaped combination units, and enhances cushioning performance through the heel covering structure and the conical cushioning hole, thus simultaneously optimizing forefoot propulsion and heel cushioning performance in a single sole structure.

The utility model discloses a municipal garden street lamp fixing device, and relates to the technical field of municipal garden street lamps, the municipal garden street lamp fixing device comprises supporting discs, two groups of supporting discs are symmetrically arranged to form a disc, arc-shaped plates are installed at the tops of the supporting discs, two groups of arc-shaped plates are mutually spliced to form a complete round pipe, and connecting plates are installed on the front and back surfaces of the arc-shaped plates. And connecting bolts are mounted on the inner sides of the two groups of connecting plates in a penetrating manner. According to the LED street lamp, the supporting disc assemblies are installed, the two sets of supporting discs are assembled together to form a complete disc, the stability of the structure is guaranteed, the supporting discs are fixedly connected with the top arc-shaped plates, the two sets of arc-shaped plates are mutually spliced to form a complete round pipe, and the arc-shaped plates can conveniently limit and support a street lamp pole on the inner side; the arc-shaped plates fix the connecting plates on the front face and the back face, the connecting bolts penetrate through the inner sides of the connecting plates, the connecting plates are connected together through the connecting bolts, the stability of the structure of the arc-shaped plates is guaranteed, and a user can conveniently assemble the fixing device.

The present application relates to the technical field of vehicles, in particular to a load wheel chain assembly, comprising a load wheel and a load wheel suspension, the load wheel is installed on the load wheel suspension, the load wheel suspension is sequentially connected in series, forming a flexible load wheel chain assembly. The load wheel chain assembly can be used as a load wheel and a supporting belt wheel, and can guide the rubber track by limiting the lateral displacement (along the width direction of the track) of the rubber track, thereby avoiding the occurrence of the off-track condition. The flexible form of the load wheel chain assembly can make the ground contacting part of the walking system better adapt to the change of the terrain, and facilitate the adjustment of the ground contacting area of the walking system.

The utility model discloses a microporous solid tire capable of continuously working, which comprises a tire body, and the tire body consists of three sections, namely base rubber, tread rubber and tire core rubber from bottom to top in sequence; the tire body is provided with micropores, and the diameter of the micropores is 2-3mm; and the length of each micropore is 1 / 4 of the width of the section of the matrix. The tire has the beneficial effects that the heat dissipation capability is excellent, the heat dissipation performance of the tire body is improved by the design of the anti-rubbing line pinholes, and the internal thermal cracking of the tire caused by high temperature is reduced; compared with a large pattern block design and a small pattern block design of a traditional solid tire, the driving feeling of a main engine of the tire can be improved, and the bumping feeling caused by fast and large patterns and wide pattern grooves is reduced; the number of pattern pairs is increased, so that the ground contact area of the tire is increased, the ground contact pressure is dispersed, and the traction property and the transverse stability are excellent; compared with a common tire with the same specification, the durability of the tire is improved by 10-20%.

The utility model discloses a five-axis machining center. The five-axis machining center comprises a machine tool; the moving table is slidably connected to the machine tool in the front-back direction, a driving motor is connected to the bottom side of the moving table, a transmission shaft is rotationally connected to the bottom side of the moving table, the driving motor can drive the transmission shaft to rotate, and at least two transmission gears are arranged on the transmission shaft in the left-right direction at intervals. Transmission racks are arranged at the positions, directly facing all the transmission gears, of the top side of the machine tool, and the multiple transmission gears are engaged with the multiple transmission racks correspondingly. The rotary table is arranged on the moving table; the machining table is arranged on the top side of the rotary table; the portal frame stretches across the machine tool in the left-right direction and is connected with the machine tool; the translation seat is arranged on the portal frame; according to the numerical control machining center, the phenomenon that stress is uneven when the movable table is driven to move is effectively reduced, the stability of the movable table moving in the front-back direction is greatly improved, and therefore the machining quality of workpieces is improved.

The present invention discloses a multi-purpose tire with high balance stability, comprising a crown, a shoulder and a sidewall, the surface of the crown is provided with a plurality of patterns, the upper end of the shoulder is connected to the crown, the upper end of the sidewall is connected to the shoulder, the sidewall comprises an upper sidewall curve and a lower sidewall curve, the upper sidewall curve and the lower sidewall curve are connected to form an inverse parabola shape, the vertex of the inverse parabola is located at 1 / 5-1 / 3 of the section width B, and the arc radius at the vertex of the inverse parabola is 20-50mm; an anti-scratch line is provided between the upper sidewall curve and the shoulder, the width E of the anti-scratch line is 20-60mm, and the lower sidewall curve is 15-50mm above the wheel rim; and a plurality of rubber reinforcing ribs are provided on the outer circumference of the sidewall. The present invention adopts an inverse parabola-shaped sidewall, the inclination angle of the upper sidewall curve in the sidewall is greater than the inclination angle of the lower sidewall curve, has a higher buffer deformation capacity, can absorb lateral force, and increases the tire's anti-skid ability and stability.

The invention relates to the field of outdoor photography tripod equipment, in particular to a high-stability carbon fiber tripod which comprises an outdoor photography tripod body, the outdoor photography tripod body comprises a top plate, a limiting ring is fixedly connected to the inner bottom of the top plate, a rotating disc is arranged in the top plate, and a rotating sleeve is fixedly connected to the periphery of the rotating disc. The limiting ring is rotatably connected to the inner side of the limiting groove, the limiting groove is formed in the bottom of the rotating disc, a spiral groove is formed in the top of the rotating disc, a mounting plate is arranged at the top of the top plate, a sliding block is fixedly connected to the bottom of the mounting plate, a plurality of rotary connection blocks are fixedly connected to the bottom of the sliding block, and the bottoms of the rotary connection blocks are all arranged on the inner side of the spiral groove; people can adjust the mounting plate according to an actually used camera, the center of gravity of the top of the outdoor photography tripod is adjusted, and the situation that due to the fact that the center of gravity of the top of the outdoor photography tripod shifts, stress on one side of the outdoor photography tripod is uneven is avoided.

This utility model discloses a triangular rubber track for a controllable seismic source vehicle, comprising a frame, a limiting plate, a rubber track, a drive frame, a rear guide wheel, a support wheel, a tension wheel, a tensioning device, a drive assembly, an axle, and a swing frame. One side of the drive assembly is connected to the axle, and the other side is assembled to the drive frame. One end of the limiting plate is connected to the frame, and the other end is connected to the drive frame to limit its displacement. This utility model, by setting a triangular rubber track structure, forms a large ground contact area by covering the drive assembly, rear guide wheel, support wheel, and tension wheel, significantly increasing the contact area between the controllable seismic source vehicle and the ground, reducing the pressure on the ground. In soft ground areas such as deserts and snowfields, it can effectively reduce the phenomenon of getting stuck and slipping, while avoiding the risk of overturning that is common with wheeled equipment, thus improving the safety of field exploration operations.

An electrical connector includes two terminal blocks, a plurality of signal terminals and a plurality of ground terminals disposed on the terminal blocks, shielding members disposed on symmetrical surfaces of the two terminal blocks, and a plurality of grounding members housed within the terminal blocks. The shielding members extend beyond the terminal blocks to shield against signal interference. Each grounding member has a contact plate that contacts the ground terminal, an extension arm extending from the contact plate, a supporting portion bent from the extension arm and abutting against the shielding plate, and a fixing plate and a fitting plate extending from the contact plate. The fixing plate and the fitting plate abut against the shielding members and engage with the terminal blocks, making the connection between the grounding members and the terminal blocks more stable and increasing the grounding area, thereby improving the signal transmission stability of the electrical connector.

The invention discloses a sampling device for detecting the compaction degree of a highway roadbed and pavement, and relates to the technical field of sampling for roadbed detection, comprising a sampling vehicle, a cylinder being fixedly mounted on the top of the sampling vehicle, a hydraulic column being fixedly mounted on the surface of the sampling vehicle, a hydraulic rod being fixedly mounted on the surface of the hydraulic column, a support plate being fixedly mounted on the surface of the sampling vehicle, a rotating motor being fixedly mounted on the bottom of the output end of the hydraulic rod, a drill bit slidingly penetrating the inner and outer walls of the support plate, an output end of the rotating motor being fixedly mounted on the top of the drill bit, a hollow box being fixedly mounted on the top of the support plate, and a telescopic rod being fixedly mounted on the top of the support plate, and after the arc plate moves, a reset spring is used to reset the free end of the telescopic rod to move toward the top, so as to prevent the drill bit from being knocked against by rapid contraction, causing the internal sample to fall off and making it impossible to complete the sampling.

This utility model belongs to the field of exploration equipment, specifically an auxiliary device for land coal seismic exploration equipment. It includes a main body with an exploration adjustment component on one side. The exploration adjustment component includes a fixed plate, on the top of which a camera, a remote control motherboard, and a fixed frame are sequentially fixed. A lifting frame is mounted on a slider on the fixed frame, and a ball nut is fixedly installed on one side of the lifting frame. A ball screw is threaded through the ball nut and mounted on the ball screw. One end of the ball screw is fixedly installed at the output end of a first servo motor. The first servo motor drives the ball screw to achieve precise height adjustment, the second servo motor adjusts the lateral angle via a pulley, and the third servo motor drives the pulley to achieve fine angle adjustment. Combined with the high-precision control of the servo motors, this achieves three-dimensional high-precision adjustment of the seismic wave sensor, solving the problem of low accuracy in the exploration angle and height adjustment of traditional devices and improving the accuracy of fine exploration in complex terrain.

The utility model discloses a modularized quick-splicing type precast concrete wall unit, which belongs to the technical field of concrete walls, and comprises a first mould and a second mould, an inserting plate is inserted between the first mould and the second mould, and the top of the inserting plate is fixedly connected with a connecting plate. Two concrete walls are placed in the first mold and the second mold and located on the two sides of the inserting plate, then the grip is held and pulled upwards, the connecting plate is driven by the grip to move upwards, and the inserting plate is driven by the connecting plate to move upwards till the inserting plate is completely pulled out of the inner sides of the first mold and the second mold. And then concrete is poured into the joint of the two concrete wall surfaces, after the concrete is solidified, the purpose of quickly splicing the two concrete wall surfaces is achieved, meanwhile, the spliced concrete is limited through the first mold and the second mold, and the situation that the two concrete surfaces are staggered during splicing is prevented.

The utility model discloses a tread pattern and a high-wear-resistance truck tire. The tread pattern comprises a tread, the three longitudinal grooves are consistent in shape and size and are arranged in a continuous broken-line-shaped structure; the shape of the longitudinal steel sheets is consistent with that of the longitudinal grooves, and the longitudinal steel sheets are arranged between the adjacent longitudinal grooves and divide the tread between the adjacent longitudinal grooves into first pattern blocks and second pattern blocks; the first transverse steel sheets are symmetrically arranged on the two sides of each fold line of the first pattern blocks and divide the first pattern blocks into first upper pattern blocks and first lower pattern blocks which are different in size and are alternately arranged; the second transverse steel sheets are symmetrically arranged on the two sides of each fold line of the second pattern blocks and divide the second pattern blocks into second upper pattern blocks and second lower pattern blocks which are different in size and are alternately arranged. Compared with the prior art, the utility model has the beneficial effects of high wear resistance, high bearing capacity, low heat generation, high controllability and high stability.