117results about How to "Prevent moving up" patented technology

The invention discloses a method for blocking up obstacle in coelom and a blocking device thereof. The blocking device comprises a guide wire, a guide tube and a blocking substance; one end of the guide wire penetrates the guide tube and cavity of the blocking substance; a remote end of the blocking substance is fixed to the guide wire, so as to pull a near end of the guide wire, thereby axially compressing the spread blocking substance to form a plug-shaped blocking object. The method of using the blocking device for blocking up obstacles in coelom is that the blocking substance in the coelom blocking device penetrates the obstacles in coelom, a near end of the guide wire is pulled, and the spread blocking substance is axially compressed to form a plug-shaped blocking object to block up the obstacles. The method for blocking up obstacle in coelom of the invention sets up a special coelom blocking device to block up and fix obstacles, such as thrombus and stone in coelom, and removes the obstacles according to practical requirements. The method for blocking up obstacle in coelom has tiny structure, simple operation, convenient use and high efficiency.

The invention discloses an anti-toppling placement device which comprises a placement seat. A cavity is formed in the placement seat. Two airbags are fixed to the inner bottom of the cavity. Each airbag is made of a hard plastic material. A piston is in sliding connection to the inner wall of each airbag. A moving rod is fixedly connected to the upper side wall of each piston. The anti-toppling placement device has the advantages that when an object inclines, the moving rods are driven to move upwards, then the pistons are driven to move upwards, air pressure in suction cups is reduced, and therefore the suction cups and the placement face of the placement seat achieve tight suction, and the placement seat is prevented from toppling over; meanwhile, through the influence of magnets on magnetorheological fluid, the magnetorheological fluid is solidified along with the process that the magnets approach to the magnetorheological fluid to clamp the moving rods, the moving rods are prevented from moving, and the tendency of toppling is further avoided; and the stability of the placed object is guaranteed, and safety is higher.

The invention relates to a railway track cleaning and maintaining device, including a vehicle frame, wherein the vehicle frame comprises a first vehicle frame and a second vehicle frame which are connected with each other; the first vehicle frame is arranged under the second vehicle frame; track wheels are installed on the lower portion of the first vehicle frame; walking wheels are installed on the lower portion of the second vehicle frame; the track wheels can drive the vehicle frame to travel along a railway track, and the walking wheels can drive the vehicle frame to travel along the ground; and the distance value of the first vehicle frame and the second vehicle frame in the vertical direction can be adjusted, so that the distance between the lowest point of the track wheels and the lowest point of the walking wheels in the vertical direction is changed by the same value.

The invention relates to the technical field of computer memory, in particular to a fixing device capable of effectively limiting the position of a memory bank and convenient to convey. The fixing device comprises a fixing base. A first electromagnet is fixedly connected to the inner wall of the bottom of the fixing base. A hydraulic groove is formed in the bottom of the fixing base. According tothe fixing device capable of effectively limiting the position of the memory bank and convenient to convey, due to cooperative use of a rubber strip and a resistor, when the memory is placed inside the fixing base, a piston block can be retracted into the fixing base under the gravity effect of the memory, electrorheological fluid is extruded, the rubber strip is expanded and clamped to the memory, meanwhile, due to the fact that the rubber strip is soft, the shape of the rubber strip changes along with the shape of the memory, the rubber strip is effectively attached to the memory, and finally the circuit voltage is smaller than the voltage of the maximum access of the resistor, at the moment, an electric conduction is powered on, the electrorheological fluid is turned into solid, and theshape of the rubber strip is effectively fixed, so that the effect of effectively limiting the memory is achieved, the phenomenon that the memory vibrates is effectively avoided, and the safety of the memory in the conveying process is ensured.

The invention discloses an assembling structure of a plug and a socket of a battery connector, comprising the plug and the socket, wherein the plug comprises a first insulating body and a first terminal; the first insulating body is provided with a containing space; the socket comprises a second insulating body and a second terminal; a first fastening hole is formed by penetrating through the inner part and the outer part of the side wall of the containing space, the side wall of the second insulating body is provided with an elastic fastening arm, the second insulating body is embedded in the containing space, and the elastic fastening arm and the first fastening hole are matched and fixed in a fastening manner. Therefore, since the second insulating body is embedded in the containing space, the structure is simple and further the plug can be fixed on an external circuit board; the socket can be lengthened by using a flexible flat cable of an FPC (flexible printed circuit), so that the assembly is convenient; the space can be saved after the plug and the socket are assembled, so that the structure is compact; and by matching and utilizing the fastening and locking of the first fastening hole and the elastic fastening arm, the assembly of the plug and the socket is realized, so that the second insulating body is effectively prevented from separating from the first insulating body, and the stability and the reliability of signal transmission are ensured.

The invention provides a combined multi-cavity forming die of an expansion type foaming brick. The combined multi-cavity forming die comprises a die bottom plate, a plurality of die side plates, a plurality of long partition die plates and a plurality of short partition die plates. The die side plates are connected with the side edges of the die bottom plate. The die side plates can rotate around the side edges of the die bottom plate in a vertical plane and can be fixed in a vertical state. The parallel long partition die plates are distributed on the die bottom plate and are perpendicular to the short partition die plates. A plurality of single die bodies are formed by the die bottom plate, the die side plates, the long partition die plates and the short partition die plates. By means of the combined design of the single die bodies formed by the die bottom plate, the die side plates, the long partition die plates and the short partition die plates and a mechanical structure, the problem that due to a release agent cannot be used, demoulding is difficult in the expansion type foaming brick demoulding process is solved, the single piece production period is shortened, and the production efficiency is improved.

The invention relates to a plant planting method for a boulder beach. The method at least includes the following steps that the species to be planted is selected; a planting season is selected; a vegetation restoration position is determined; soil preparation is carried out; planting is carried out; later maintenance is carried out. The method has the advantages that the species quickly roots through chemotropism of a root system, and roots firmly grasp a gravel and sand mixture under the roots, so that the ground holding performance of a plant is high, and continuous vegetation restoration is achieved; the structure of a planting hole is changed in the depth direction through excavation and landfill of the planting hole, gravel on the surface of the planting hole is the same as that of the original earth surface after landfill, it is avoided that turning causes upward moving of particulates in the excavation process, and the soil conservation function is extremely high; a U-type stone ridge protective band is arranged on the outer side of the planting hole to reduce impact on vegetations when flood peaks come and can intercept part of sand when water recedes, and the functions of vegetation protecting and deposition promotion promotion are achieved; according to the planting method, the proper local species suitable for growth is selected, measures are adjusted to local conditions, cost is low, and the vegetation coverage degree of a boulder beach area can be quickly increased.

The invention discloses a micro loudspeaker which comprises a vibrating diaphragm and a housing, wherein the vibrating diaphragm comprises a ball top and a folding ring part, and is supported and fixed through the housing; a combined part is arranged at the part, connected with the housing, of the edge of the vibrating diaphragm; the combined part of the vibrating diaphragm is adhered and fixed to the housing through an adhesive layer; the combined part of the vibrating diaphragm is combined with a bonding surface of the upper surface of the housing; an excessive glue groove used for accommodating excessive glue is formed in the edge of the outer side of the bonding surface and is covered with the edge of the outer side of the combined part of the vibrating diaphragm. The micro loudspeaker disclosed by the invention has the advantages that the excessive glue groove is formed in the bonding surface of the vibrating diaphragm and the housing, so that excessive glue generated during the process of vibrating diaphragm fixing can be fully adsorbed, the situation that the periphery of the vibrating diaphragm cannot be fixed and a magnetic circuit system is damaged due to uneven gluing is avoided, and meanwhile, the normal flow direction of glue can be ensured and the glue is prevented from moving upwards, therefore, the fixing of the vibrating diaphragm is completed better and the performance of the loudspeaker is ensured.

The invention is suitable for the technical field of saline-alkali soil improvement, and provides a method for improving the soil fertility of saline-alkali soil by planting sesbania. The method is characterized by comprising the steps of deep ploughing, irrigation and salt separation, wherein soil turning is carried out, weeds of the saline-alkali soil are removed, a compact soil layer is formedbelow the earth surface, and underground water high in salt content is prevented from moving upwards; sowing and fertilizing, wherein seeds need to be soaked or sand is added for wiping the seeds before sesbania sowing, a single sowing mode is used, phosphorus fertilizer is applied, the yield of sesbania is increased, and the content of nitrogen and phosphorus in sesbania is increased; harvestingand fertilizer retention, wherein after the sesbania is ripe, direct ploughing is conducted, straw and livestock manure can be heaped and applied to serve as base fertilizer or conduct topdressing, stalks need to be cut off, chopped and completely buried in the soil layer to prevent moisture evaporation, after sesbania is turned, the total quantity of water-stable aggregates of soil is increased,the soil volume weight is reduced, the porosity is improved, and the soil can be prevented against salt return. Therefore, the fertility of the saline-alkali soil can be improved, and conditions of the saline-alkali soil for planting crops are improved.

The invention discloses a nickel ore sintering machine comprising a plurality of vertical kilns and a smoke pipe for concentrated discharge of tail gas, wherein a dust removal cylinder is arranged between each vertical kiln and the smoke pipe; each vertical kiln comprises a kiln body composed of an upper section kiln body, a middle section kiln body and a lower section kiln body; a feed port and a tail gas discharge port are formed in the top part of the upper section kiln body; a center tower gate is arranged at a discharge port of the lower section kiln body; the lower section kiln body relative to the center tower gate is set as an arc-shaped kiln body which is formed by expanding the middle part outwards and can guide side wind in a furnace to converge to the center of the furnace; a side air inlet is formed in the middle section kiln body; and a plurality of air inlets are formed in the wall of the smoke pipe, and different air inlets are formed in different cross sections of the smoke pipe. By forming the plurality of the air inlets, the nickel ore sintering machine disclosed by the invention improves the tail gas discharge amount of a unit time and improves the discharging efficiency; and by virtue of the arc-shaped kiln body, the wind is delivered to center tower gate and the center of an internal furnace combustion zone, and thus the nickel ore sintering efficiency is improved.

The invention discloses a deep steel sheet pile inclinometer pipe installation auxiliary device and a construction method thereof. The deep steel sheet pile inclinometer pipe installation auxiliary device comprises a dumping pipe boot, a hoop and a top plate, two pieces of arc-shaped flat iron are welded in a hoop body of the hoop, a groove corresponding to a protrusion on the outer wall of an inclinometer pipe is reserved between the two pieces of arc-shaped flat iron, and the hoop and a steel sheet pile are welded into an integral structure by means of hoop ears; each section of inclinometerpipe is connected through a pipe hoop, the hoop is tightly contacted with the upper section of the pipe hoop, and a groove in the inner wall of the hoop is tightly meshed with the protrusion on the outer wall of the inclinometer pipe; and the top plate is fixedly arranged at the top of the inclinometer pipe and provides end resistance for the inclinometer pipe. The groove in the inner wall of thehoop is tightly meshed with the protrusion on the outer wall of the inclinometer pipe, and meanwhile, the end part of the inclinometer pipe is restrained and fixed by the top plate, so that when theinclinometer pipe is distorted and deformed along with a driving process of the steel sheet pile, a measuring groove is always vertical to the groove surface of the steel sheet pile, and the accuracyof a monitoring result is ensured; and the hoop is in close contact with the upper section of the pipe hoop, and meanwhile the inclinometer pipe is restrained by the top plate, so that the inclinometer pipe is prevented from moving upwards along with the lateral resistance of a soil body when the steel sheet pile is driven.

The invention discloses an electric submersible pump discharging and mining device adapted to coiled tubing completion. The electric submersible pump discharging and mining device comprises an electric cable hanging device, an overcurrent pipe nipple, a coiled tubing, a coiled tubing connector, a conversion pipe nipple, a downhole motor and a downhole pump group which are connected in sequence from top to bottom. The upper end of the overcurrent pipe nipple is connected with a hanging device delivering joint. The coiled tubing is hung through a coiled tubing hanging device. An electric cable hung by the electric cable hanging device extends into the coiled tubing, penetrates through an electric cable sealing joint on the conversion pipe nipple, and then arranged and matched with the downhole motor and the downhole pump group. According to the electric submersible pump discharging and mining device adapted to coiled tubing completion, electricity supplying to a downhole electric submersible pump system is achieved by adopting the fact that the electric cable penetrates through the interior of the coiled tubing, and meanwhile, friction damage caused by the situation that the electriccable is externally arranged on the tubing can be avoided; and safe tripping in of the downhole electric submersible pump system is achieved through a coiled tubing working machine, and then non-wellkilling operation is further achieved.

The invention discloses a gas channeling simulation system, which includes a cement slurry unit, a gas supply unit, a heating unit and a test unit. The cement slurry unit communicates with the test unit and provides cement used for test; the gas supply unit communicates with the test unit and used for providing pre-set pressure used for tests; the test unit is arranged in the heating unit, which is used for providing preset temperature used for test; the test unit comprises a gas channeling pipe used for measuring the gas channeling process of cement and a weight loss pipe used for measuring the pressure of a cement hydrostatic column; the gas channeling pipe and the weight loss pipe are located in a heating cylinder and are provided with an annular chamber used for accommodating cement, and the bottom ends of the gas channeling pipe and the weight loss pipe are provided with pressure detection mechanisms, respectively; the bottom end of the annular chamber of the gas channeling pipe is provided with a first cement slurry input port and a first gas input port, and the top end of the gas channeling pipe is provided with a pressurization detection port; and the bottom end of the annular chamber of the weight loss pipe is provided with a second cement slurry input port.

The present invention relates to a building pile-forming equipment by pressure injecting concrete and pressure injecting cement slurry. Said invention is characterized by that said pile-forming equipment includes a min body pipe, its upper end and lower end are respectively fixedly mounted in upper connecting disk interior and lower connecting disk interior, on the main body pipe a case shell is mounted, on the case shell and main body pipe are set several slurry-feeding holes connected with slurry-conveying pipe. In the case shell a first bearing is mounted, the upper end of said first bearing is equipped with a baffle ring, a second bearing is mounted on the main body pipe of upper end of lower connecting disk, said second bearing adopts angular contact bearing.

The invention discloses a fruit corer and relates to the technical field of fruit coring. The fruit corer comprises a body, a clamping assembly and a coring assembly, wherein the body comprises a vertical plate and a box body which are sequentially connected from top to bottom; the clamping assembly comprises a fruit support plate, a supporting rod, an adjustment plate and a splint; the fruit support plate is connected with the upper end of the supporting rod; the lower end of the supporting rod is connected with the box body; the adjustment plate is rotatably connected with the supporting rod; the adjustment plate rotates around the supporting rod; the edge of the adjustment plate is provided with a plurality of shifting blocks; the upper part of the splint is connected with the fruit support plate through an elastic part; the middle part of the splint is hinged to the fruit support plate; and the lower part of the splint is matched with the shifting blocks; the coring assembly is arranged above the clamping assembly; the coring assembly comprises a coring support plate and a coring cylinder; the coring support plate is connected with the vertical plate; one end of the coring support plate far away from the vertical plate is provided with a coring hole for matching with the coring cylinder; and the coring cylinder moves up and down in the coring hole. The fruit corer can remove the fruit core of the fruit while maintaining the integrity of the fruit.

The invention relates to a stapleless stapler. The stapleless stapler comprises a pressing cover and a base, wherein a paper pressing groove is formed in an inner cavity of the pressing cover; the tail ends of the pressing cover, the paper pressing groove and the base are hinged together by the same pin shaft; a plate spring leaf is arranged in the inner cavity of the pressing cover; the upper endof the plate spring leaf is fixedly connected to the top surface of the pressing cover; the lower end of the plate spring leaf abuts against the inner bottom surface of the paper pressing groove; a punching needle supporting shaft is also hooked on the top of the inner cavity of the pressing cover; two punching needles are fixed on the peripheral surface of the punching needle supporting shaft; two guide cylinders are fixed in an inner cavity of the paper pressing groove; two needle holes corresponding to the punching needles are formed in the upper end surface of the base; a top plate is arranged in a cavity of the base; two elastic clamps are fixedly arranged on the upper end surface of the top plate; the lower ends of the elastic clamps are fixedly connected to the top plate; and elastic clamping openings are reserved at the upper ends of the elastic clamps. The stapleless stapler can easily staple several pieces of paper together with no need of staples, facilitates the reductionof consumption of resources and firmly staples the paper; and the page disconnection phenomenon is unlikely to occur after stapling.

The invention provides a high-temperature heat insulation pipeline production technology. The technology is characterized in that a plurality of aerogel felts are axially installed along the outer wall of a work tube before an outer protection tube is jointed to make the aerogel felts combined with a polyurethane thermal insulation layer formed through foaming in order to form a heat insulation system of a heat insulation pipeline, and the heat insulation system combines the respective excellent performances of the aerogel felts and the foamed polyurethane thermal insulation layer, can substitute traditional heat insulation materials having an unfavorable heat insulation effect, like cement perlite tiles and glass wool, has an improved temperature tolerance, and also has the characteristics of energy saving, environmental protection, safety, reliability and the like; and additionally two ends of the aerogel felts are abutted surrounding the outer wall of the work tube, abutment lines are formed between the two ends, and the abutment lines of the plurality of aerogel felts are assigned along the axial outer wall of the work tube in an interlace manner, so a defect of the heat insulation performance decrease caused by the rapid loss of heat along the abutment lines distributed along a straight line because one abutment line cracking of the aerogel felts when the abutment lines are positioned in a same straight line is avoided, thereby the pipeline heat insulation performance is guaranteed.

The invention discloses a disinfection cotton ball taking device which comprises a rubber bottom cover, a barrel body, a first strip-shaped groove, a second strip-shaped groove, a strip-shaped plate,a tooth groove, disinfection cotton balls, an external threaded hole column, a circular cover, a rubber ball, a catheter, a poking plate, an arc-shaped spring piece, a fixed pin, an arc-shaped hole, apush rod, a connecting rod and a circular block. The disinfection cotton ball taking device is simple in structure and convenient to operate and enables a user to timely take the disinfection cottonballs to disinfect an affected part of a patient, an ache of a wrist of the user caused by long-time clamping the disinfection cotton balls through a pair of tweezers is avoided, the plurality of disinfection cotton balls can be placed in one time, and all the disinfection cotton balls are wetted simultaneously. The rubber ball is mounted at the top of the catheter, the disinfection cotton balls in the barrel body are wetted using the rubber ball containing alcohol, and the disinfection of the patient by the user is facilitated. The length of the strip-shaped plate is consistent with the length of the poking plate, upward movement of the disinfection cotton balls caused by upward movement of the poking plate is avoided, and the next disinfection cotton ball can be poked and moved downwardsconveniently.

The invention relates to a suspended ceiling installation structure and installation method. The suspended ceiling installation structure comprises a main keel, cladding keels, three edge supporting pieces and an edge closing strip, the edge closing strip and the three edge supporting pieces are arranged on four edges of a rectangle correspondingly, the three edge supporting pieces are located onthe left side, the front side and the rear side of the rectangle correspondingly, and the edge closing strip is located on the right side of the rectangle; and suspended ceiling plates are arranged between the edge supporting piece on the left side of the rectangle and the cladding keels, between the adjacent cladding keels and between the cladding keels and the edge closing strip on the right side of the rectangle correspondingly. According to the suspended ceiling installation structure, the lower ends of elastic pieces in the edge supporting pieces can prevent the suspended ceiling plates from moving upwards, and when air pressure changes in a room, the suspended ceiling plates are prevented from moving up and down to generate abnormal sound; and after the last suspended ceiling plate is placed, an inserting piece can be inserted into a fixing piece from the lower side, so that the installation steps are reduced, and the installation efficiency is improved.

The invention discloses a starting battery provided with a super capacitor and used for a fuel vehicle and an implementation method of the starting battery. The battery comprises a battery box seat and a box cover; a box body is provided with a partition plate, a wire penetrating groove opening, a clamping groove and a locking assembly. The partition plate is fixedly arranged in the middle in thebox body; the wire penetrating notches are formed in the two sides of the upper end of the partition plate. The clamping groove is formed in the upper end of the inner side wall of the box body, the locking assemblies are arranged on the two sides of the upper end of the partition plate and the upper end of the inner side wall of the box body respectively, the lithium iron phosphate battery assembly and the super capacitor assembly are movably installed in the box body, and the lithium iron phosphate battery assembly and the super capacitor assembly are connected in parallel through a wire. According to the invention, the lithium iron phosphate battery assembly and the super capacitor assembly can be installed more conveniently and fixed more firmly, the lithium iron phosphate battery canbe protected, damage caused by excessive discharge is prevented, and the service life is prolonged.

The invention discloses a positioning and clamping device for an LNG gas bottle production line. The positioning and clamping device comprises a moving base, at least one bottle clamping mechanism arranged on the moving base and used for clamping gas bottles in the radial direction, and a driving mechanism for driving the bottle clamping mechanism. A position adjusting mechanism is arranged at the clamping end of the bottle clamping mechanism and comprises a motor support. A bottle moving motor is arranged on the motor support. A driving gear is arranged on an output shaft of the bottle moving motor. Driven shafts parallel to the output shaft of the bottle moving motor are arranged on the portions, on the two sides of the output shaft of the bottle moving motor, of the motor support and provided with driven gears matched with the driving gear. Bottle moving rotating discs used for moving the gas bottles in the axial direction are arranged at the ends of the driven shafts.

The invention discloses an expansion type water injection packer with a shoulder pad sleeve on upper part of a rubber barrel. The water injection packer comprises a central tube and a rubber barrel assembly sleeved on the outer wall of the central tube, a radially penetrating pressure transmission hole is formed in the central tube, the rubber barrel assembly comprises an upper rubber barrel section, a middle rubber barrel section and a lower rubber barrel section, wherein the outer diameter of the middle rubber barrel section is larger than the outer diameter of the upper rubber barrel section, meanwhile, the outer diameter of the middle rubber barrel section is larger than the outer diameter of the lower rubber barrel section, an upper shoulder platform is formed at the joint of the middle rubber barrel section and the upper rubber barrel section, a lower shoulder platform is formed at the joint of the middle rubber barrel section and the lower rubber barrel section, the shoulder padsleeve is sleeved on the outer wall of the upper rubber barrel section, and the lower end of the shoulder pad sleeve resists on the upper shoulder platform. According to the invention, the shoulder protection of the rubber barrel is increased; when the expansion type packer is sealed, the shoulder pad sleeve can be driven to expand, so that the stress concentration on the shoulder of the rubber barrel is reduced, the service life of the packer can be prolonged, and the benefits of oil field layered water injection and oil extraction are increased.

The invention relates to the technical field of landscaping engineering, in particular to a tree windproof device for municipal landscaping. The device comprises an outer lantern ring, inner lantern rings, a steel wire rope and a fixing base, the outer lantern ring is formed by combining two semi-circular rings, one ends of the two semi-circular rings are connected through a hinge, connecting plates are welded to the other ends, and the two connecting plates are fixed through bolts; the inner lantern rings are mounted on the inner walls of the two semicircular rings through limiting structuresand springs, each inner lantern ring is composed of two arc-shaped clamping rings, and the two arc-shaped clamping rings are symmetrically arranged; and a plurality of fixing rings are fixed on the outer wall of the outer lantern ring, and screw rod ends are hung on the fixing rings. The use length of the steel wire rope can be adjusted, and the device can be used in different environments and isalso suitable for fixing and preventing wind for trees with different heights; and after the rope winding disc stops rotating, fixing threaded sleeves can be further screwed on the outer walls of thescrew rod ends, the steel wire rope can be tightened in an auxiliary mode, and the stability and the windproof effect of the device are improved.

The invention discloses an anti-fall anti-return and anti-overflow structure and an inspection well and method. The structure comprises a derrick arranged on the wellhead wall of the inspection well in a manner of being parallel to a well lid, wherein the derrick is fixed through a well loop fixed on the wellhead wall; a large cover plate is arranged below the derrick; an opening through which the large cover plate is conveniently fetched is formed in the middle of the large cover plate; a small cover plate is arranged at the lower part of the large cover plate; the derrick, the large cover plate and the small cover plate are connected through connecting structures. Due to the arrangement of the well loop, the large cover plate and the small cover plate are prevented from continuously moving upwards, continuous rise of rainwater is prevented, and due to the arrangement of the well loop, the derrick and the large cover plate, pedestrians are prevented from accidentally dropping from the wellhead on a rainy day; moreover, due to the well loop taking an approximately C shape, the derrick can be effectively fixed, drop of the well lid or other people or objects can be avoided with the cooperation of the large cover plate and the small cover plate, and the two cover plates are effectively prevented from continuously moving upwards.

The invention relates to the technical field of concrete detection, and discloses an anti-permeability environment-friendly resin concrete slump detection device. The problems that manual tamping and inserting are time-consuming and labor-consuming, the action is easy to deviate, and the measurement accuracy is influenced are solved. The device comprises an operation table and a slump cone body, the slump cone body is arranged at the top of the operation table, a funnel body is arranged at the top of the slump cone body, two supporting side plates are fixedly connected to the top of the operation table and located on the two sides of the slump cone body correspondingly, first sliding grooves are formed in the sides, close to each other, of the two supporting side plates correspondingly, the inner walls of the tops of the first sliding grooves communicate with the tops of the supporting side plates, the funnel body is fixedly connected with two first connecting columns, and one end of each first connecting column is fixedly connected with a first sliding block. The position of a tamping rod body can be changed from the edge to the center along the spiral line, so that the position of the tamping rod body is automatically adjusted, and tamping and inserting are facilitated.

The invention discloses a cement slurry clearance measuring assembly. The assembly comprises a connecting rod and an inner sleeve; the connecting rod is disposed in the inner sleeve, and the inner wall of the inner sleeve and the connecting rod form an annular cavity body; a first flange end cover is connected to the bottom end of the inner sleeve, a second flange end cover is connected to the topend, and the two ends of the connecting rod respectively penetrate the first flange end cover and the second flange end cover; a first cement slurry input port and a first gas input port are formed in the first flange end cover, a pressure detecting port is formed in the second flange end cover, and the first cement slurry input port, the second gas input port and the pressure detecting port areall communicated with the annular cavity body.

The invention discloses an ecological improving method of a saline-alkali soil vine crown artificial community, relates to an ecological improving method in saline-alkali soil, and aims at solving the problems in the existing saline-alkali soil improving method that the investment is high, the salinization aggravates after vegetation degradation, the soil is low in organic matter content, and the fertility is poor. The method comprises the steps of leveling the saline-alkali soil; 2, digging field planting furrows; 3, stacking up straw salt isolation layers at the bottoms of the field planting furrows; 4, filling nutrient soil; 5, transplanting perennial lianas; 6, building a liana climbing frame. According to the ecological improving method of the saline-alkali soil vine crown artificial community, by the utilization of the unique superiority that the lianas are small in floor area and the characteristic of the root system of the lianas, saline-alkali soil microzone soil is improved, a saline-alkali soil artificial community is built, and after the community is built, the crown closing role is played to reduce soil surface evaporation. Meanwhile, the withered branches and fallen leaves promote the organic matter to return to the field, and thus the saline-alkali soil is gradually improved instead of being directly improved. The ecological improving method of the saline-alkali soil vine crown artificial community is used for improvement of the saline-alkali soil.