134results about How to "Fast installation" patented technology

The utility model belongs to the technical field of fabricated buildings, and particularly discloses an installation mechanism and a wall frame. When the mounting mechanism is used for mounting, the lower end part of the rock wool sandwich color steel plate is positioned above the sliding chute and is finely adjusted until the length of the rock wool sandwich color steel plate is aligned with the length of the sliding chute of the ground rail, and then the lower end part of the rock wool sandwich color steel plate is put into the sliding chute of the ground rail; the first connecting piece is detachably mounted at the upper end part of the rock wool sandwich color steel plate by using the fastening structure, so that the upper end part of the rock wool sandwich color steel plate can be conveniently mounted; the two vertical ends of the rock wool sandwich color steel plate do not need to be transversely inserted into one sides of the two sliding grooves and move towards the other sides of the two sliding grooves under pushing of external force, only lifting equipment such as a crane needs to be additionally arranged to lift the rock wool sandwich color steel plate, the labor cost and the time cost can be reduced, and the mounting speed of the rock wool sandwich color steel plate is increased.

The invention relates to a deep foundation pit assembly type ladder cage system which comprises a deep foundation pit, an inner supporting beam, a supporting piece and an assembly type ladder cage. A plurality of layers of inner supporting beams are arranged and fixed to the inner wall of the deep foundation pit, the supporting pieces are fixedly installed on the multiple inner supporting beams on the same layer, and the assembly type ladder cage located on the inner supporting beams is fixedly connected with the supporting pieces. A plurality of assembly type ladder cages are fixedly spliced between the upper and lower adjacent layers of inner supporting beams; a plurality of assembled ladder cages are also fixedly spliced between the bottom surface of the deep foundation pit and the lowermost inner supporting beam; the assembly type ladder cage system is erected while being excavated in the excavation process of the deep foundation pit, and all the assembly type ladder cages form a vertical channel after being erected. The invention further relates to a construction method of the deep foundation pit fabricated ladder cage system, the fabricated ladder cage serves as a vertical channel, an auxiliary installation tool does not need to be erected, erecting in the deep foundation pit excavation process is achieved, the installation speed is increased, and the construction method belongs to the technical field of deep foundation pit construction.

The utility model relates to the field of wind power generation, in particular to a tool for assembling a hub of an offshore wind turbine type, which comprises a supporting mechanism used for jacking up a blade hub, and a clamping mechanism used for fixing the blade hub is arranged on the upper side of the supporting mechanism. The height of the assembly table is quickly adjusted through three groups of damper sliding seats and hydraulic rods at the bottom of the assembly table, and meanwhile, the assembly table can be conveniently adjusted at a plurality of inclination angles, so that the lifted blades can be more conveniently butted and mounted; the movable seat moves to enable the two ejector rods to push the arc-shaped strip to wrap and fix the blade hub hung on the placing seat so as to avoid extrusion damage, meanwhile, the traction seat and the supporting rod support the traction belt, so that the mounting end of the hung blade can be more conveniently guided to the mounting position of the blade hub, the mounting speed is increased, and the collision condition is reduced.

The utility model relates to the technical field of high-voltage cabinets, in particular to a high-efficiency heat dissipation high-voltage cabinet which comprises a cabinet body, a mounting groove is formed in the bottom end of the cabinet body, a lead screw is mounted in the mounting groove, a second sliding block sleeves the outer side of the lead screw through thread engagement, and the top end of the second sliding block extends out of the mounting groove. A bottom plate is mounted at the top end of the second sliding block, an equipment mounting frame is mounted at the top of the bottom plate, a micro motor is mounted on one side of the cabinet body, and the output end of the micro motor extends into the mounting groove to be connected with one end of a lead screw. According to the utility model, through the movement of the second slide block, the equipment mounting rack installed at the top of the bottom plate can be moved out of the interior of the cabinet body, thereby facilitating an operator to install power distribution equipment above the equipment mounting rack, preventing the power distribution equipment from being limited by the internal space of the cabinet body in the installation process, and improving the installation speed.

This utility model discloses a detachable multi-faceted aluminum panel ceiling design structure, comprising: a frame layer, which includes fixed angle brackets, longitudinal angle steel, transverse supporting keel, clamps, and threaded rods; a Z-shaped keel, which has several waist-shaped holes arranged along its own length, with the bottom of the threaded rod passing through the waist-shaped holes and fixed by nuts, and the bottom of the Z-shaped keel having a fastening groove; and a rhomboid aluminum panel, with a first hook edge at one end and a second hook edge at the opposite end, the first hook edge of one rhomboid aluminum panel fastening into the fastening groove, and the second hook edge of an adjacent rhomboid aluminum panel fastening into the gap between the fastening groove and the first hook edge. Compared with the prior art, this utility model solves the problems of slow installation speed and inconvenient disassembly of existing aluminum panel ceiling structures.

The present invention discloses an inner operating platform of a thin-walled hollow high pier and a construction method thereof, and belongs to the technical field of bridge construction. The inner operating platform includes a passage assembly, an upper flip platform and a lower flip platform, wherein the upper flip platform is connected to the upper end of the passage assembly, the lower flip platform is located below the upper flip platform, and the passage assembly is located on the inner side of the lower flip platform, and a plurality of stabilizing assemblies are provided on the outer side of the passage assembly. There is no need to pre-embed structural parts for installing the passage assembly, the upper flip platform, the lower flip platform and the stabilizing assembly on the pier body. The passage assembly and the lower flip platform do not extend out of the pier body, and have good stability, and a criss-cross top rod is arranged to constrain a banana-type ladder, so that operators can move up and down smoothly. Both the upper flip platform and the lower flip platform close the pier body in the transverse direction, which is convenient for tying steel bars and installing and disassembling flip formwork, which helps to improve construction efficiency and improves the safety of construction workers.

The utility model relates to the technical field of linear motors, in particular to a linear motor structure of a grating ruler installation positioning groove, which comprises a main frame, a movable assembly and a detection assembly, the detection assembly and the movable assembly are both connected with the main frame, the detection assembly comprises a grating ruler, a reading head and a contact sensor, and the side surface of the main frame is provided with an installation groove. The installation grooves are distributed in the upper end and the lower end of the side face of the main frame, the grating ruler is installed in the installation grooves, the reading head is arranged on the side, away from the main frame, of the grating ruler, and T-shaped grooves are formed in the positions, close to the installation grooves, of the bottom of the main frame. The grating ruler can be mounted without additionally mounting a platform during mounting, meanwhile, the mounting groove is matched with the grating ruler, the grating ruler can be mounted only by placing the grating ruler into the mounting groove during mounting, the grating ruler can be ensured to be parallel to the traveling track of the reading head only by paying attention to fitting of the grating ruler and the notch in the mounting process, and the mounting speed is higher.

The invention belongs to the technical field of heavy water reactor core flux detectors, and aims to solve the problems that the manual flux detector installation speed is low, the personnel irradiation dose is high, and the detector is easy to damage. The invention discloses a heavy water reactor core flux detector installation device and method, the device comprises a front guide pipe and a rear guide pipe which are coaxially arranged, the rear end of the front guide pipe is installed at a reserved installation position of a driving system shell, and a driving pair wheel set is arranged between the front guide pipe and the rear guide pipe; the driving pair wheel set is in transmission connection with the driving motor; the rear guide pipe is in butt joint with a detector reel bin, a reel is installed in the detector reel bin, the tail of the flux detector is clamped into the reel, and a flux detector cable is wound on the reel. According to the method, components of the device are used for installing the device, the heavy water reactor core flux detector installation device is removed, and flux detector installation is completed. The installation speed of the flux detector can be increased, the radiation dose of personnel is reduced, and the probability that the detector is prone to damage is reduced.

The utility model belongs to the technical field of AI (artificial intelligence) computing power servers, and discloses a guide rail type splicing rack which is characterized in that T-shaped plates are arranged above the ground, extension structures are detached, all second extension plates are drawn out of first extension plates according to the width of a server and adjusted to proper positions, threaded rods are screwed into corresponding threaded holes, and the server is assembled. The widths of all the second extension plates are fixed, the two sets of second extension plates are in butt joint up and down, the two connecting assemblies are folded, every two semi-ring blocks form a circular ring, the two handles are rotated to drive the two rotating blocks to rotate between the two semi-ring blocks, transverse rotation of the two rotating blocks is changed into vertical rotation, and each rotating block is limited by the two semi-ring blocks; the two rotating blocks are supported in the gap between the two semi-ring blocks, the two semi-ring blocks are fixed to the upper portions of the two second extension plates, every two opposite second extension plates are connected with each other, the two detachable extension structures are spliced up and down, the installation speed is high, the size is small in the transportation process, and transportation is convenient.

This utility model discloses a building insulation board that is easy to install. The insulation board has a through-hole on its front side, and an installation tube is fixedly installed inside the hole. A pushing component is installed inside the installation tube, and a pushing rod is installed inside the installation tube via the pushing component. A locking component is provided on the surface of the pushing rod, and a rectangular through-groove is provided on the surface of the installation tube. The installation tube is inserted into the installation hole through the insulation board, and the pushing component moves the pushing rod, causing the pushing rod to push the locking component into contact with the inner wall of the installation hole. This locks the installation tube inside the installation hole, thus installing the insulation board. This method eliminates the need for expansion screws and L-shaped fixing brackets, reducing the number of steps required for insulation board installation and increasing the installation speed, allowing more insulation boards to be installed in the same amount of time.

The utility model discloses a mobile feeding device of boiling drying machine mainly relates to the field of drying machine. Including the hopper of setting between base and expansion cylinder, be equipped with the fixing frame between base and expansion cylinder, be equipped with the moving frame on the hopper, the bottom of moving frame is equipped with a plurality of moving wheels, both sides of hopper are rotatably connected with moving frame, be equipped with the guide frame on moving frame, be equipped with the guide hole on guide frame, be equipped with the guide column on the hopper, the guide column is slidably connected in the guide hole, be equipped with the limiting component of cooperation guide frame use on the guide column, the both sides symmetry of moving frame bottom is equipped with the extension rod, the both sides symmetry of fixing frame is equipped with the track groove of cooperation extension rod use, be equipped with the locating post in track groove, be equipped with the locating groove of cooperation locating post use on extension rod. The utility model has the beneficial effect that it can solve the technical problem of the slow feeding and the inconvenient material taking of the feeding device of the existing boiling drying machine, improve the efficiency of feeding, greatly improve the convenience of material taking.

This application provides a battery pack mounting architecture, a vehicle body underbody structure assembly, and a vehicle, belonging to the technical field of vehicle body underbody structure. By offsetting the power battery pack, a larger exhaust pipe mounting space is planned under the mounting frame. This allows for the installation and layout of the exhaust pipe without reducing the size of the power battery pack, without affecting the capacity of the power battery pack, thus avoiding any adverse impact on the vehicle's driving range. Because the first and second exhaust pipe mounting positions are alternately arranged in the front-rear direction, they can effectively resist horizontal forces from different directions, restricting the movement of the exhaust pipe to a very small range, thereby improving the rigidity and stability of the exhaust pipe installation. Due to the formation of a grid-like frame structure, when a collision occurs, the impact force is decomposed into multiple directions, effectively reducing the force borne at a single point, and also generating extremely high torsional rigidity, leaving sufficient survival space for passengers and preventing the doors from jamming.

The application belongs to the technical field of fabricated building process, and particularly relates to a curtain wall large keel fabricated installation construction process based on BIM technology and 3D scanning technology, and the specific steps are as follows: 3D scanning technology is used to perform three-dimensional scanning on the construction site, and collect and input various data information of the construction site; BIM technology is combined to model the project, and material shape data, size information and part matching data are extracted; after the data is extracted, the keel components of different shapes and sizes are grouped and numbered one by one, and then the curtain wall large keel is produced in the factory; after the keel component is processed, it is directly transported to the processing site and installed according to the number, and the keel and the base are screwed during installation, so that the installation is completed, the application can simplify the installation steps, does not need to repeatedly adjust and cut the keel, improves the installation speed, and further shortens the construction period, while ensuring the engineering quality, and reduces the management cost.

The utility model discloses a suspended ceiling lamp fixing assembly which comprises a fixing cover arranged above a lamp, three identical chains are fixedly connected between the lamp and the fixing cover, a hanging rod is arranged on the top of the fixing cover in a penetrating mode, the hanging rod penetrates to the bottom of the fixing cover and is in threaded connection with a threaded sleeve, and the threaded sleeve is connected with the lamp. The bottom of the hanging rod is fixedly connected with a twisting block, and a hanging rod is arranged above the hanging rod. The galvanized aluminum plate is fixed on the wall top through the fixing bolt rod, the threaded rod penetrates through the fixing frame and is in threaded connection with the fixing nut, the hanging rod is rotated to be in threaded connection with the adjusting sleeve rod, then the hanging rod is hung on the top of the hanging rod, and the threaded sleeve is rotated to be attached to the bottom of the fixing cover. In this way, the height of the ceiling lamp can be adjusted through the adjusting structure, the situation that a buckle cover of the ceiling lamp cannot be attached to a ceiling is avoided, and the installation firmness of the ceiling lamp is improved.

The application discloses a double-side shadow-eliminating touch screen conductive glass, which comprises a glass substrate, recesses are formed in the upper and lower ends of the glass substrate, an ultraviolet absorption layer, an interference layer and an indium tin oxide film layer are sequentially and fixedly arranged in the recesses from inside to outside, a liquid storage cavity is formed in the sliding block, transparent optical glue is arranged in the liquid storage cavity, a plurality of groups of positioning screws are movably connected in the connecting plate, the positioning screws pass through the insertion holes and extend into the connecting cavities, and the positioning screws are in contact with the sliding block; the interference layer and the ultraviolet absorption layer arranged below the indium tin oxide film layer can eliminate shadows, the sealing of the rubber sealing blocks and the drying of the drying agent can prevent the indium tin oxide film layer from being contacted with external air, the mounting speed of the glass substrate and the glass protective screen is accelerated, the contact time of the indium tin oxide film layer and the external air is reduced, and the situation that the indium tin oxide film layer cannot be used after absorbing water in the air is prevented.

The utility model belongs to photovoltaic support technical field, concretely is a kind of centralized fixed grid-connected photovoltaic support, including pedestal, first support rod, second support rod, fixed inclined shaft, fixed cross shaft, reinforcing rod, connecting piece, circular clamp, single-side pressing block and double-side pressing block, support rod is embedded in the upper portion of pedestal, wherein the lower portion of first support rod is connected with the lower portion of reinforcing rod by circular clamp, the upper portion of support rod and the upper portion of reinforcing rod are connected with fixed inclined shaft by connecting piece, four fixed cross shafts of equidistance are installed on the upper portion of fixed inclined shaft.The utility model structure design is simple and reasonable, and it is universally applicable for large-scale centralized grid-connected photovoltaic power station construction in different terrain, can bear the weight of photovoltaic module, wind load and snow load and other external force in actual application, ensure that photovoltaic module keeps safe and stable operation under various environmental conditions, convenient for later operation and maintenance, save artificial cost.

The utility model relates to pipeline installation support technical field, and disclose a kind of pipeline installation support adjusting device for construction, including first I-steel, the side of first I-steel can be fixedly installed with multiple second I-steel, the lower part of first I-steel and second I-steel is installed with multiple mounting plate, the bottom surface of mounting plate is fixedly installed with support cylinder, adjusting threaded rod is provided in support cylinder. By mounting plate opening convex character shape through slot, it is convenient to install by passing through the lower part through slot of first, second I-steel, then its top two sides threaded hole limiting bolt flexible positioning is used, avoid later pipeline installation punching, improve the speed of pipeline installation, rotate threaded rod push plate, support frame height can be easily adjusted, support threaded rod can adjust support adjusting plate height, rotating plate can be adjusted angle by rotating shaft, satisfy different pipeline installation needs, improve installation adjustment efficiency and convenience.

The application discloses a kind of injection molding equipment of plastic shell, including processing table, injection device, first mould, second mould, support plate, multiple embedded components, multiple push components and ejection assembly, first mould and second mould are oppositely arranged above the processing table, and membrane cavity is equipped between first mould and second mould;Injection device is arranged on the sliding table of first sliding table module, the inner wall of second mould is equipped with multiple positioning columns, the sliding table of second sliding table module is equipped with connecting plate, multiple embedded components are arranged on the connecting plate, and multiple embedded components are connected by first transmission component between multiple embedded components, the upper surface of processing table is equipped with box, push component is arranged inside the box, and multiple push components are connected by second transmission component between multiple push components, ejection assembly is arranged outside second mould.

The utility model discloses a multifunctional power bank, include: charge and discharge module is connected with at least one charging port and at least one discharge port, the discharge port is used for power supply for other equipment, music playing module, electric connection charge and discharge module, music playing module includes button subassembly, button subassembly includes a plurality of button main body, connecting matrix, button main body is integrative with connecting matrix through at least one elastic connecting arm, and when pressure test is carried out to button main body, the elastic connecting arm deforms to make button main body press down and send signal to music playing module. Music playing module includes bluetooth module and antenna. The utility model discloses simple structure, and button subassembly integrative is convenient for integrated production and assembly, compared with the installation button of scattered, the installation speed is faster, and the artificial cost is lower, and the utility model discloses integrated power bank, bluetooth, music player, radio is integrated.

The utility model relates to a kind of gantry crane main beam inner truss structure and gantry crane main beam, comprising: support outer frame and truss unit, the support outer frame includes roof beam and a pair of side beams, a pair of the side beams symmetrically set in the both ends of the roof beam;The truss unit includes first tripod and at least one second tripod, one apex angle of the first tripod is connected with the roof beam, and the other two apex angles of the first tripod are connected with the side beam respectively;The apex angle of the second tripod is connected with the side of the first tripod away from roof beam, and the other two apex angles of the second tripod are connected with the side beam respectively.In the utility model, the inner truss of gantry crane main beam is modularized design, improves the installation speed and production efficiency of gantry crane.

The utility model provides a bus duct capable of being rapidly installed, which belongs to the technical field of bus ducts and comprises a bus duct body and a side hoisting assembly arranged on one side of the bus duct body. The bottom bearing assembly is arranged at a position below the bus duct body; the side hoisting assembly comprises an arc plate and a side hoisting assembly, the vertical plate is arranged at one side end of the arc plate; the transverse plate is arranged at the other side end of the arc plate; the through hole and the through groove are formed in the top of the transverse plate, and the through hole is located in one side of the through groove and communicates with the through groove; according to the novel bus duct, the relative positions of the through holes in the transverse plate and the circular truncated cone are controlled to realize convenient installation and convenient disassembly of the bearing plate, on one hand, the bearing plate provides support for the bus duct body in the vertical direction, on the other hand, the bus duct body only needs to be vertically lifted and does not need to be adjusted in the direction during installation and disassembly, the operation is simple and convenient, and the practicability is high. And the bus duct body can be quickly assembled and disassembled.

The utility model provides a ladder cage prefabricated foundation which comprises a concrete prefabricated slab, and the concrete prefabricated slab is provided with a foundation fixing structure used for fixing the concrete prefabricated slab on the ground and a ladder cage fixing structure used for fixing a ladder cage on the concrete prefabricated slab. The elevator cage connecting structure comprises a metal connecting block used for being welded to the elevator cage body and an elevator cage connecting threaded column poured on the concrete prefabricated plate, and the elevator cage connecting threaded column penetrates through the metal connecting block and then is in threaded connection with an elevator cage connecting nut so that the metal connecting block can be fixed to the concrete prefabricated plate. The utility model aims to provide the removable ladder cage prefabricated foundation for fixing the ladder cage, and solves the problems that the installation speed is slow and waste pollution is generated as the foundation needs to be manufactured on site when the existing ladder cage is used.

The application discloses a metal roof flexible support system integrated with health monitoring and functional facilities, relates to the technical field of roof waterproof installation, and is characterized in that a plurality of pressure relief spring sheets are equidistantly arranged on the inner side of a clamping limiting block, a plurality of alignment sliding frames are slidingly arranged on the inner side of the clamping limiting block, a plurality of pressure alignment springs are equidistantly welded at the bottom end of the alignment sliding frame, a plurality of guide fixed balls are rotationally connected to the bottom of the clamping limiting block, and a plurality of protective operation pads are equidistantly bonded to the side end of the alignment sliding frame. The application utilizes multi-stage step-by-step energy-absorbing buffering, cooperates with small-amplitude swing energy absorption and vertical lifting energy absorption processing, so that when the roof is subjected to multi-directional forces applied by various external natural environments, buffering can be effectively performed, the whole is prevented from being excessively pulled to cause large deformation of the roof, the stability of the whole roof waterproof and sealing is ensured, and the service life of the roof is prolonged.

The utility model relates to liquid delivery evaporation equipment field especially easy installation type liquid delivery evaporation equipment. Including movable frame and installation structure, the upper surface fixed connection of movable frame has liquid delivery evaporation equipment body and control cabinet, the inside installation of liquid delivery evaporation equipment body has the conveying pipe, the one end of conveying pipe away from liquid delivery evaporation equipment body is installed with the pipe of linking by installation structure, the inside installation of control cabinet has a plurality of operation buttons, the arc surface of conveying pipe is equipped with installation structure. The utility model provides an easy installation type liquid delivery evaporation equipment solves because the current is through a plurality of bolts and links the pipe to install on the conveying pipe, and in the process of installing the pipe of linking, personnel still need to use wrench and other tools to rotate bolt to be able to link the pipe of fixing firm, because this kind of installation mode is very complicated, and then will lead to the low working efficiency of personnel's shortcomings.

The utility model discloses a quick replacement device for a carbon fiber fishing rod guide ring, and particularly relates to the field of fishing rod guide rings, which comprises a carbon fiber rod body, a fixing sleeve is sleeved outside the carbon fiber rod body, a bearing ring is fixedly connected to the outer surface of the carbon fiber rod body, the outer surface of the bearing ring is fixedly connected with an inner ring of the fixing sleeve, and the outer ring of the fixing sleeve is fixedly connected with a bearing sleeve. The outer surface of the fixing sleeve is fixedly connected with a positioning sleeve, a guide ring piece is arranged above the carbon fiber rod body, an arc-shaped block is arranged below the guide ring piece, and the outer surface of the arc-shaped block is fixedly connected with an arc-shaped positioning plate. By pulling the guide ring piece, the sliding clamping block can be separated from the clamping groove, locking of the arc-shaped positioning plate can be relieved easily, the guide ring piece can be detached conveniently, in addition, when a new guide ring piece is installed, after the arc-shaped positioning plate is aligned with the positioning sleeve to be inserted, under the elastic force effect of the spring, the guide ring piece can be detached conveniently. The sliding clamping blocks can be automatically clamped into the clamping grooves to achieve primary fixing, and the installation speed is increased.

The utility model relates to the technical field of electricity meters, in particular to an electricity meter with a power-off protection function, a main box body is arranged in the electricity meter, and four groups of positioning racks which are uniformly distributed are fixedly arranged on the rear end face of the main box body. Then, the bilaterally symmetrical electromagnets approach each other in opposite directions, so that a wire with a sheath is clamped and fixed, a push motor starts to start to drive a threaded rod to start to rotate at a high speed, and an insulated threaded sliding block with opposite threads is driven to approach each other; according to the utility model, when the leakage current tester detects that the electric quantity is abnormal or unstable, the pneumatic telescopic rod begins to rapidly extend, and then the main box body, the positioning rack and the clamping current-conducting plate are driven to be far away from the metal butt-joint plate, so that efficient power-off protection is realized, and a fire hazard caused by electric leakage is further prevented; and thus, the property safety of the user is ensured.

The utility model discloses an optical cable wire coil with a fixed-distance wire cutting function, which belongs to the technical field of optical cable wire coils and comprises a base and an optical cable wire coil arranged outside the base. The outer side of the base is provided with a mounting mechanism capable of conveniently disassembling and assembling an optical cable coil, a cable cutting mechanism capable of carrying out fixed-distance cable cutting on an optical cable and an adjusting mechanism capable of conveniently carrying out position adjustment on the whole cable cutting device, one side of the top of the base is provided with a sliding rail, and a sliding block is arranged in the sliding rail in a sliding mode; a limiting groove is formed in the position, close to the position under the pull rods, of the top of one side of the base. According to the utility model, through the arrangement of the wire cutting mechanism, through the cooperative use of the top frame, the pressing rod, the wire cutting machine, the cavity tube, the electronic ruler, the threaded rod and the fixed hoop tube, an optical cable of a corresponding length can be conveniently pulled out according to needs, the optical cable can be cut in a labor-saving manner, and the convenience of wire cutting and measuring work of a worker is greatly improved.

The invention relates to the field of coal mine drilling, and discloses a drilling rig power head, including a main shaft, a brake assembly, a gearbox and a main power source, wherein the output shaft of the main power source meshes with the gearbox to drive the main shaft to rotate, the gearbox includes a gear shaft and a multi-stage gear, a transmission shaft connected to the gear shaft is provided inside the brake assembly, the brake assembly performs rotational braking on the transmission shaft, an active drill rod is installed at the end of the main shaft, a receiving hole for the active drill rod to pass through is provided in the main shaft, and a two-way joint is detachably connected to the end of the active drill rod, so as to provide a drilling rig power head with a long service life of the active drill rod and convenient removal of the active drill rod.

The invention relates to a split type sleeve steel bar connecting structure which comprises two steel bars to be connected and a split type sleeve. Expanded heads are arranged at the ends of the steel bars; the split type sleeve comprises more than two sections of sleeve body units which are divided along the axial direction of the sleeve and a tightening sleeve which hoops the sleeve body units together; the cylinder body units are mutually spliced to form a complete cylinder body, the expansion head is buckled in the cylinder body, and the size of the port of the buckled sleeve is smaller than that of the expansion head; and the tightening sleeve is rotationally clamped on the peripheral surface of the cylinder body, so that the expanding head is clamped in the sleeve, and the connection of the two reinforcing steel bars is realized. The connecting structure adopts mechanical connection which is more reliable than grouting connection, quality inspection can be carried out, and the connection is proved to be effective as long as the tightening sleeve is tightened. The structure is simple to operate, does not need special process or equipment, only needs manual operation, is not influenced by factors such as weather and construction electricity, and improves the construction efficiency.