39results about How to "Easy to waterproof" patented technology

The invention provides a connecting method for connecting special duct pieces and a station structure in a subway shied tunnel extended station. The connecting method solves key problems that a station is built in subway regional shield extended construction process from aspects such as the constitution of the duct pieces, the assembly mode of the duct pieces, the connecting joint between the duct pieces and the station structure, etc. Through strengthening reinforcing bars, greater internal force born by the shield tunnel duct pieces in the process that the station is built by extension is satisfied, thereby guaranteeing the safety of the duct pieces; and after local duct pieces are removed, steel plates and steel reinforcement connectors are pre-embedded through straight-joint assembly and connected conveniently with the station structure, so that the connecting joint has enough rigidity to transfer axial force, bending moment and shearing force, the distortion of the joint is reduced, waterproofing processing to the joint can be effectively carried out, and the connection problem that the high-rigidity main structure of the station is connected with the high-flexibility structure of the duct pieces is solved. The shape of the special shield duct pieces are consistent with the shape of common subway regional tunnel shield duct pieces, so the same mould which is either applied to the special shield duct pieces or the common subway regional tunnel shield duct pieces can be used for production.

The invention provides a system and method for controlling electronic equipment by knock. The system comprises a sensor module, a control module connected to the sensor module, and a display module connected to the control module. The sensor module is used for detecting single clicks, double clicks or continuous single knocks at any positions on the surface of an electronic device and generating corresponding knock parameters; the control module is used for judging whether valid single clicks, double clocks or continuous single knocks on the surface of the electronic device occur or not according to the knock parameters and executing corresponding device management actions according to judging results; the display module is used for displaying corresponding information according to the device management actions. The electronic equipment is controlled through the sensor module and the control module, neither setting physical keys nor controlling via a touch screen is required, the size can be reduced, waterproofing is easy to achieve, the cost is reduced, and operation is facilitated.

The invention provides a public exhaust passage which is arranged at the internal corner of a room. A tunnel opening is arranged in a floor slab at the internal corner, the public exhaust passage is formed as follows: a thin wall structure passes through the tunnel opening or is arranged on the floor slab to enclose the tunnel opening and part of the wall surface. A plurality of air inlets are arranged on the public exhaust passage, and function valves are arranged at the air inlets. Waste gas passes through an exhaust device and is discharged into the public exhaust passage through the function valves and is discharge out from an outlet at the top of the public exhaust passage. The public exhaust passage ensures the effect of an exhaust system of a cement mortar thin wall tube in the prior art, avoids the problem of a gap between the existing pipeline wall and the wall surface, ensures the use permanency of the exhaust system, facilitates the waterproof management, and is simple and reliable in structure, convenient to construct and low in cost.

The invention relates to a novel connecting structure for a subway tunnel and an extended station and a construction method of the novel connecting structure, and belongs to the technical field of underground buildings. The novel connecting structure comprises a tunnel pipe rack segment, a bearing column, a top face connecting block, a bottom face connecting block, a concrete trowelling layer and a waterproof layer. Through strengthened ribs, it can be guaranteed that the shield tunnel pipe sheet in the transfer station extending process can bear large internal force, and accordingly pipe segment safety is guaranteed; by adoption of the top face connecting block and the bottom face connecting block, connecting joints have enough rigidity, and joint deformation is reduced; a third bottom plate is arranged on a bent support of a second bottom plate, differential settlement between the second bottom plate and the first bottom plate is eliminated, a connecting structure between the second bottom plate and the first bottom plate and stress are well balanced, and the problem about connection between the rigid transfer station body structure and the flexible pipe segment structure is solved. The special tunnel shield pipe segment and an ordinary subway interval tunnel shield tunnel pipe segment are consistent in appearance, and a die the same as a die of the ordinary subway interval tunnel shield tunnel pipe segment can be utilized for production.

The invention relates to a girder string continuous cable stayed bridge which belongs to the field of bridge construction. The girder string continuous cable stayed bridge comprises a bridge deck, a plurality of bridge towers, two girders horizontally arranged at both sides of the bridge deck, a plurality of stay cables connecting the bridge towers to the girders and a plurality of web members connected under the girders and arranged along the span direction of the girders, wherein each stay cable is a continuous cable formed by an upper string cable and a lower string cable; and the girders, the web members and the lower string cables form a girder string. In the invention, the web members are used for supporting the girders in a plurality of points, and the mechanical behavior of the web members can be improved. The girder string continuous cable stayed bridge is a novel structure system combining a cable stayed bridge and the girder string, is a breakthrough and development of the traditional cable stayed bridge, and has the advantages of reasonable structure, uniform stress, light self-weight, high strength, high spanning capability, good wind resistance, fatigue resistance, corrosion resistance, and the like.

The invention discloses a waterproof method for slab joints of a blanket plate. The waterproof method disclosed by the invention comprises the following steps of: (1) eliminating sundries between slab joints of the blanket plate, brushing floating rust by utilizing a steel wire brush, and wiping by utilizing cotton silks; (2) filling a first PE (polyester) foaming rod layer, and placing the foaming rod at a position 80mm deep in the slab joint; (3) continuously filling the slab joint with the polyurethane waterproof coating, wherein filling depth is 50-60mm, and a cross-shaped joint position crossing the blanket plate is required to be continuously filled during filling; (4) filling a second PE foaming rod layer, wherein the second PE foaming rod layer is 10mm away from the top of the plate; (5) filling the rest of slab joints to the top of the plate with the polyurethane waterproof coating, filling in twice, filling the slab joint to be smooth after curing, wherein height of filling for the first time is 2-3mm lower than the edge of the blanket plate, and the cross-shaped joint position crossing the blanket plate is required to be continuously filled during the filling; (6) repeating the steps (5), (6), (7), (8) and (9) to complete waterproofing work on the slab joints of the blanket plate; and (7) standing for at least 24 hours.

The invention discloses a direct burial type asphalt waterproof roll which comprises a partition layer on an upper layer and an asphalt waterproof base layer on a lower layer. The partition layer and the waterproof base layer are not combined by using an adhesive layer creatively, but a common material of the building industry is adopted as a partition layer additive, so that on one hand, the partition effect of the partition layer is improved, meanwhile the binding effect of an asphalt type waterproof layer with concrete is effectively improved, and the waterproof effect is improved; on the other hand, the preparation process procedures of the waterproof roll are greatly simplified, and production cost is reduced. By adopting the technical scheme of the invention, the direct burial type asphalt waterproof roll is simple and feasible, simple in structure, simple and convenient to construct, safe, environmentally friendly, economic, simple and stable in preparation process, low in energy consumption, and very good in industrial application prospect, the problems that concrete is not solidly adhered to a conventional asphalt roll, is liable to dissociate and the like are solved, the construction efficiency is greatly improved, and the production and use cost is reduced.

The invention relates to an alkali returning prevention construction method for a wall body, and belongs to the technical field of building construction. The construction method comprises the following steps of: coating moistureproof materials on a wall surface, and forming a moistureproof layer after naturally drying to obtain a moistureproof layer wall surface; adding acidic materials into warmwater with 60 DEG C, and stirring and mixing evenly to obtain a weak acid solution; taking the weak acid solution, uniformly coating the solution on the moistureproof layer wall surface, and naturallydrying for at least three days to obtain a dry moistureproof layer wall surface; taking waterproof putty, uniformly scraping the waterproof putty on the dried moistureproof wall surface, and drying,grinding and removing ash to form a putty layer to obtain a putty layer wall surface; taking an alkali-resistant sealing primer, and uniformly coating the alkali-resistant sealing primer on the puttylayer wall surface; punching a foundation near the wall, pouring Na2SiO3 solution and CaCl 2 into the hole in turn, and sealing the hole by the concrete after being placed for 1-2 days naturally. Theconstruction method has the beneficial effect that the phenomenon of alkali returning on the wall surface can be solved from the root.

The invention relates to the field of waterproof coiled material processing, in particular to a modified asphalt waterproof coiled material and a preparation process thereof. The process comprises the following steps: step 1, preparing and releasing a formed base material; 2, the base material stays at a machining station, and transportation is stopped; and step 3, processing the base material into an edge folding groove, two auxiliary grooves, two snakelike grooves and two clamping grooves, so as to obtain the modified asphalt waterproof coiled material. And step 4, rolling the modified asphalt waterproof coiled material and collecting the coiled modified asphalt waterproof coiled material. The device has the advantage that the right-angle position of the rectangular pipe can be subjected to waterproof treatment conveniently.

The invention discloses a power transmission and distribution box with an adjusting waterproof function, which comprises a bearing top plate. A wire through hole is formed in the top center of the bearing top plate; supporting blocks are symmetrically arranged on the left and right sides of the top of the wire through hole; the bottom of the supporting block is fixedly connected with the bearing top plate; a winding shaft is rotationally connected between the two groups of supporting blocks; a positive-negative rotation motor is arranged on the left side of the left supporting block; a suckingpump is arranged on the right side of the right supporting block; a bearing bottom plate is arranged at the bottom of the bearing top plate; a containing groove is formed in the middle of the bottomof the bearing bottom plate. Right-angle guide columns are arranged at the four corners of the bearing bottom plate. A power transmission and distribution box body is arranged at the top of the bearing bottom plate; a bearing ring is fixedly connected to the center of the top of the power transmission and distribution box body, a steel wire rope is fixedly connected to the top of the bearing ring,the top of the steel wire rope penetrates through the wire through hole to be fixedly connected with the winding shaft, and buffer seats are arranged at the four corners of the top of the power transmission and distribution box body. Thus, corrosion and damage of the power transmission and distribution box by the water source on the ground can be avoided, and the maintenance is facilitated.

The invention discloses spartina alterniflora anti-rice purification chemical prevention and control equipment and a prevention and control technology. The spartina alterniflora anti-rice purification prevention and control equipment comprises a winding frame body, a splicing groove is formed in one end of the winding frame body, the other end of the winding frame body is connected with a splicing clamping body, a covering film body is arranged on one side of the inner wall of the winding frame body, a winding rod is arranged on the inner wall of the covering film body, one end of the covering film body is connected with a positioning body; and a frame body fixing nail is arranged in the winding frame body. According to the spartina alterniflora anti-rice purification chemical prevention and control equipment and the prevention and control technology, the winding rod can be rotated to drive the covering film body to be rotationally rolled, so that the covering film body is conveniently stored and released; frame body fixing nails can be used for driving and fixing the winding frame body, so that the winding frame body can be fixed conveniently, and the situation that the device is blown away by sea waves or strong wind is avoided; and through the winding frame bodies capable of being spliced, the winding frame bodies can be connected and spliced according to needs, and therefore the practical effect of the device is improved.

The invention relates to a manhole cover planning-milling device, which consists of a rack and a mounting base that can move up and down along the rack and is used for mounting a hydraulic motor. A hydraulic motor is mounted at the lower part of the mounting base, the output shaft of the hydraulic motor is connected to a cutterhead assembly, at least two lifting cylinders are connected to the rack, and pistons of the lifting cylinders are hinged to two sides of the mounting base, a protection cover disposed outside the cutterhead assembly is connected to the rack, and the cutterhead assembly includes a cutterhead, a plurality of lower cutter heads and a plurality of upper cutter heads, the plurality of lower cutter heads are fixed at the lower part of the cutterhead, an upper tool apron is fixed at the middle-upper part of the cutterhead, the plurality of upper cutter heads are fixed on the upper tool apron, the diameter of the upper cutter heads is greater than that of the lower cutter heads, and a graduated scale disposed on the cutterhead or mounting base goes through the protection cover. The manhole cover planning-milling device provided by the invention has a simple structure, can improve the strength of the joint between a bearing guard plate and the pavement. During operation, the lifting position of the cutterhead can directly be observed by the graduation on the scale, and control of the planning-milling depth can be very flexible and convenient.

The invention relates to the technical field of stage lamps, in particular to a waterproof computer oscillating lamp holder with an efficient heat dissipation function. The waterproof computer oscillating lamp holder comprises a lamp body provided with a cavity and is of a metal structure and a shell arranged around the lamp body. An air flow channel is formed between the outer shell and the lampbody, a fan is arranged in the air flow channel and located at the tail portion of the lamp body, an air inlet is formed in the position, corresponding to the fan, of the outer shell, and an air outlet is further formed in the outer shell. According to the invention, the light source assembly is mounted in the cavity, and the lamp body is used as a whole, so that waterproof treatment is facilitated; heat generated by the light source assembly is conducted to the lamp body of the metal structure, then the lamp body is directly cooled through the fan arranged at the tail of the lamp body, a special radiator does not need to be installed for cooling, the structure of the device is simpler, and the production cost is reduced.

The invention relates to the technical field of modular buildings, in particular to a modular building integrated connecting device and a mounting method. The connecting device comprises a module stand column, module cross beams and a core connecting mechanism which are fixedly connected; and the module stand column is located at the intersection of the two module cross beams and comprises a column body and a prestressed pull rod penetrating through the column body, the two side walls of the column body are connected with the two module cross beams respectively, threaded holes with internal threads are formed in the side walls, connected with the module cross beams, of the column body, the height difference between the end part of the side wall of the column body which is not connected with the cross beam module and the end part of the side wall of the column body which is connected with the cross beam module is used for placing the core connecting mechanism, and the end part of the side wall of the column body which is not connected with the cross beam module and has the height difference with the adjacent side wall is provided with a fixing module for fixing the prestressed pull rod. The connecting efficiency of building modules is greatly improved.

The invention discloses a waterproof method for slab joints of a blanket plate. The waterproof method disclosed by the invention comprises the following steps of: (1) eliminating sundries between slab joints of the blanket plate, brushing floating rust by utilizing a steel wire brush, and wiping by utilizing cotton silks; (2) filling a first PE (polyester) foaming rod layer, and placing the foaming rod at a position 80mm deep in the slab joint; (3) continuously filling the slab joint with the polyurethane waterproof coating, wherein filling depth is 50-60mm, and a cross-shaped joint position crossing the blanket plate is required to be continuously filled during filling; (4) filling a second PE foaming rod layer, wherein the second PE foaming rod layer is 10mm away from the top of the plate; (5) filling the rest of slab joints to the top of the plate with the polyurethane waterproof coating, filling in twice, filling the slab joint to be smooth after curing, wherein height of filling for the first time is 2-3mm lower than the edge of the blanket plate, and the cross-shaped joint position crossing the blanket plate is required to be continuously filled during the filling; (6) repeating the steps (5), (6), (7), (8) and (9) to complete waterproofing work on the slab joints of the blanket plate; and (7) standing for at least 24 hours.

The invention relates to a manhole cover planning-milling device, which consists of a rack and a mounting base that can move up and down along the rack and is used for mounting a hydraulic motor. A hydraulic motor is mounted at the lower part of the mounting base, the output shaft of the hydraulic motor is connected to a cutterhead assembly, at least two lifting cylinders are connected to the rack, and pistons of the lifting cylinders are hinged to two sides of the mounting base, a protection cover disposed outside the cutterhead assembly is connected to the rack, and the cutterhead assembly includes a cutterhead, a plurality of lower cutter heads and a plurality of upper cutter heads, the plurality of lower cutter heads are fixed at the lower part of the cutterhead, an upper tool apron is fixed at the middle-upper part of the cutterhead, the plurality of upper cutter heads are fixed on the upper tool apron, the diameter of the upper cutter heads is greater than that of the lower cutter heads, and a graduated scale disposed on the cutterhead or mounting base goes through the protection cover. The manhole cover planning-milling device provided by the invention has a simple structure, can improve the strength of the joint between a bearing guard plate and the pavement. During operation, the lifting position of the cutterhead can directly be observed by the graduation on the scale, and control of the planning-milling depth can be very flexible and convenient.

The invention belongs to the field of steel structure building mechanical equipment, and particularly relates to a lifting mechanism of a lifting retractable roof. A fixed rail is installed on an upper chord of a steel structure truss, a plurality of trolleys are movably arranged on the fixed rail, each trolley is fixedly provided with a trolley lifting mechanism, and the tops of the trolley lifting mechanisms are connected with a movable roof. The lifting function of a common retractable roof is achieved when the movable roof is closed.

The invention relates to the technical field of wind power generation. The invention aims to provide a circulating cooling device for wind power generation. The circulating cooling device for wind power generation comprises an engine room installed on an iron tower, a wind wheel is arranged at the front end of the engine room, a wind gathering cover is fixedly arranged on the upper portion of the engine room, and an injection channel is defined between the wind gathering cover and the top face of the engine room; and a heat dissipation opening communicating with the injection channel is further formed in the top of the engine room, and a cold air inlet is formed in the bottom of the engine room. According to the circulating cooling device for wind power generation, high-altitude high-speed air flow can be fully utilized to dissipate heat inside the engine room, hot air inside the engine room is ejected and exhausted, heat deposition in the engine room is prevented, the heat dissipation reliability of the engine room is improved, the working condition stability of functional equipment inside the engine room is guaranteed, and the service life of the functional equipment is prolonged.

The invention relates to a construction method for wall anti-alkali reaction, which belongs to the technical field of building construction. The construction method includes the following steps: take the moisture-proof material and paint it on the wall surface, and form a moisture-proof layer after natural drying to obtain the wall surface of the moisture-proof layer; take the acidic material and add it to warm water at 60°C, stir and mix evenly to obtain a weak acid solution; Take weak acid solution, evenly brush on the wall surface of the moisture-proof layer, and let it dry naturally for at least three days to obtain a dry wall surface of the moisture-proof layer; take waterproof putty, and apply the waterproof putty evenly on the wall surface of the dry moisture-proof layer, after drying 1. Grinding and removing dust to form a putty layer to obtain the wall surface of the putty layer; take the anti-alkali sealing primer, and evenly paint the anti-alkali sealing primer on the wall surface of the putty layer; Na 2 SiO 3 solution and CaCl 2 , after 1‑2 days of natural placement, take concrete to close the hole. The beneficial effect of the construction method is that it can fundamentally solve the phenomenon of anti-alkali on the wall.

The invention discloses a long button reset circuit of a microprocessor for equipment and its compound function method. A charging and discharging circuit is added between the power key pin and the reset pin of the microprocessor, and the charging time is much longer than the discharging time. Features, through the judgment of the microprocessor, the multiple function multiplexing of the long button reset button is realized, which overcomes the problem that the traditional reset circuit set separately is prone to misoperation, and the reduced single reset button not only makes the device beautiful, but also facilitates the waterproofing of the device deal with. The present invention introduces the charging and discharging circuit into the solution, increases the reliability of reset, and avoids the influence of misoperation on the system. The present invention introduces the inverter chip into the scheme, which not only has high integration, but also adds the reminder function of loudspeaker and indicator light.

The invention discloses a waterproof processing device of an automobile circuit board. The waterproof processing device comprises a waterproof processing pool, wherein a waterproof liquid tank is arranged on the waterproof processing pool, an opening is formed in an end part of the waterproof liquid tank, filtering nets are arranged in the waterproof liquid tank, a liquid discharging pipe is arranged in the waterproof processing pool and is arranged at a lower part of the waterproof liquid tank, liquid discharging needles are arranged at lower parts of the liquid discharging pipes, sponge layers sleeve the liquid discharging needles and are of needle-shaped structures, and guide wheels are arranged in the waterproof processing pool. By the waterproof processing device, the automobile circuit board to be processed can be installed on the guide wheels, the waterproof liquid tank is used for storing a waterproof liquid, the waterproof liquid can be filtered and processed by the filtering nets, can be transmitted by the liquid discharging pipe and can be transmitted to the automobile circuit board by the sponge layers, so that waterproof processing on the automobile circuit board is facilitated.

The invention discloses an aircraft for unmanned underwater topographic survey. The aircraft comprises a control part which comprises a closed cylindrical body, and a control panel and a power supplyassembly which are arranged in the cylindrical body, and a frame body which is a frame body formed by a plurality of sections of section bars; the frame body comprises a bottom frame and a first sideframe and a second side frame which are arranged on the two opposite sides of the bottom frame; a first top boundary beam is arranged at the top of the first side frame, a second top boundary beam isarranged at the top of the second side frame, the first top boundary beam and the second top boundary beam are parallel to each other, and a first cross beam, a second cross beam and a third cross beam are sequentially arranged between the first top boundary beam and the second top boundary beam; the cylindrical body is connected with the frame body through fixing pieces arranged on the first cross beam and the third cross beam respectively; the aircraft further comprises a buoy, a sonar assembly and a video acquisition assembly. The aircraft for unmanned underwater topographic survey providedby the invention is made of common sectional materials, has relatively small fluid resistance and is low in manufacturing cost.

The invention discloses a waterproof structure for a thin part at the junction of a steel latticed column and a foundation slab and a treatment method, and belongs to the field of building construction. The waterproof structure comprises a steel latticed column; the waterproof structure further comprises a building surface layer, a foundation slab layer, a waterproof protection layer, a first waterproof layer, a concrete cushion layer and a foundation which are sequentially arranged from top to bottom; a second waterproof layer is arranged at the top of the steel latticed column, and the lower surface of the second waterproof layer is flush with the building surface layer; a water stop flange piece is arranged on the steel latticed column; the side, away from the waterproof protection layer, of the first waterproof layer extends to the lower surface of the water stop flange piece and adheres to the water stop flange piece; and the side wall of the first waterproof layer adheres to the side wall of the steel latticed column. The periphery of the steel latticed column is subjected to waterproof treatment through the water stop flange piece, then the side portion of the steel latticed column is subjected to waterproof treatment through the first waterproof layer on the side wall and on the concrete cushion layer, the top of the steel latticed column is treated through the second waterproof layer, and therefore the overall anti-seepage effect is good, implementation is simple and easy, the overall structure is firm, and wide application is facilitated.

The invention discloses a shelter explosion-proof device. The device comprises a stainless steel outer frame, an integrated protective cover, a windscreen wiper unit, a monitoring camera, a light supplementing lamp and a waterproof top cover. An airflow channel is arranged between the waterproof top cover and the stainless steel outer frame; two ends of the stainless steel outer frame are fixed with the waterproof top cover through fixing bolts; and the stainless steel outer frame covers an outer side of the integrated protective cover, the monitoring camera is installed on an inner wall, close to a top end, of the integrated protective cover, a front side of the integrated protective cover is made of organic glass, the other parts of the integrated protective cover are made of stainless steel, an illuminance sensor is installed on the inner wall of the stainless steel outer frame, and the windscreen wiper unit is installed on the outer side of a bottom end of the integrated protectivecover. All devices are installed in an environment which is closed as much as possible, a 12V direct-current power supply mode is adopted for supplying power to the devices, possible sparking causedby leakage discharge of the devices is avoided, air circulation is facilitated through the airflow channel, a secondary explosion-proof area is avoided, and meanwhile monitoring of a material level and waterproof treatment of the bottom of a shelter are facilitated.

The invention discloses a wall surface water seepage detection method for a real estate building, which belongs to the technical field of building detection. According to the wall surface water seepage detection method, a detection liquid is sprayed to a to-be-detected wall surface to wet the surface, then the detection liquid on the surface is wiped to be dry, interference to subsequent detection is avoided, then film covering is conducted till the surface is flat, and overall uniform heating is conducted; if a water seepage phenomenon exists, detection liquid in a wall surface can release gas to escape after being heated, and the gas cannot be discharged when encountering a film, a hollowing phenomenon can be formed in a corresponding area, the hollowing phenomenon can be visually observed by technicians, meanwhile, the water seepage area can be accurately positioned, and later waterproof treatment is facilitated; and the water seepage detection efficiency and effect of the wall surface can be obviously improved.

The invention discloses a scaffold wall-connecting device, which comprises anchors, embedded parts, wall-connecting rods and rod fastening nuts, the embedded parts are vertically placed cuboids with cavities, and the One side of the wall has a strip-shaped opening that runs through the entire length; one end of the wall tie rod is slidably connected in the embedded part and fixedly connected with the embedded part through the tie rod fastening nut, and the other end is fixedly connected with the fastener. The waterproof method after its removal is to clean the cavity, fill the cavity with hole-filling mortar and reserve a groove on the plane at one end of the opening, fill the groove with waterproof mortar, and level the entire external wall with external wall mortar Come level. In this way, there is no need to cut the tie rods, and the finished wall tie rods can be reused, which greatly saves steel materials, increases the path of water flow, and greatly improves the waterproof performance.

The invention relates to the technical field of modular buildings, in particular to an integrated connection device and installation method for modular buildings. Including modular columns, modular beams, core connection mechanism, fixed connection between module columns, module beams, and core connection mechanism; the module column is located at the intersection of two module beams, including a column body with a built-in prestressed tension rod, The two side walls of the column are respectively connected with the two module beams, and the side walls of the column connected with the module beams are provided with threaded holes with internal threads, and the ends of the column side walls not connected with the beam modules are connected with the beam modules. The height difference between the ends of the side walls of the column is used to place the core connection mechanism, and the end of the side wall of the column that is not connected to the beam module and has a height difference between its adjacent side walls is provided with a fixing for fixing the prestressed tie rods. module. It greatly improves the connection efficiency of building modules.