48results about How to "Realize limit fixation" patented technology

The packaging carton comprises a carton body, the inner wall of the carton body is provided with the high-barrier nano coating, a square-column-shaped protection body is fixedly connected into the carton body, inserting grooves are formed in the two sides of the middle of the square-column-shaped protection body, inserting plates are connected into the two inserting grooves in a sliding mode, and the inserting plates are connected with the inner wall of the square-column-shaped protection body in a sliding mode. The upper ends of the middles of the end faces of the two sides of the inserting plate are provided with abutting plates, the abutting plates are elastic elements, the two ends of the lower end face of the inserting groove are fixedly connected with extrusion columns, and a sliding assembly is arranged at the lower end of the interior of the inserting plate and used for driving the abutting plates to be arched or flattened. The problem that in the prior art, when the size of a borne object is smaller than that of an inner cavity of a partition, due to the fact that effective constraint is lacked in the moving process of the box body, the object is prone to displacement and shaking in the carrying vibration or logistics circulation link, and the object is damaged is solved.

This utility model discloses a road speed bump structure, including a first speed bump block and a second speed bump block. The second speed bump block has slots at both ends. Insert rods are slidably connected to the inner sides of both ends of the first speed bump block, and these insert rods engage with the second speed bump block through the slots. T-slots are formed on the inner sides of the top surfaces of both the first and second speed bump blocks. Through the action of the insert rods and limiting pins, the horizontal and vertical directions of the first and second speed bump blocks can be limited and fixed, ensuring the stability of the first and second speed bump blocks during operation. Furthermore, this method eliminates the need to drill holes in the ground for each first and second speed bump block; only holes need to be drilled at either end of the first or second speed bump block. This reduces the number of holes required, improves installation efficiency, reduces damage to the ground, and extends the service life of the road surface.

The utility model belongs to the technical field of cleaning and drying, specifically a high temperature filter bag cleaning and drying device, including drive motor, the output of drive motor is installed with connecting plate, the inside of one end of connecting plate is provided with the sliding slot, the inside sliding installation of sliding slot has the sliding block, the inside rotatory installation of one side of sliding slot has the thread rod, one end of thread rod is installed with handle, the inside rotatory installation of sliding block has locking screw, the bottom side of sliding block is installed with plate brush, loosen locking screw, rotate handle, handle drives thread rod to rotate in the sliding slot, the rotation of thread rod will make sliding block slide in the sliding slot, thereby adjusting the position of plate brush, make plate brush and the outside of filter bag mutually adhere, when plate brush adjusts to the appropriate position, rotates locking screw, makes the one end of locking screw and the one side of connecting plate mutually abuts tightly, fixes the position of sliding block, has realized the position of plate brush to adjust according to the size of filter bag, makes plate brush can contact with the filter bag of different size.

This utility model discloses a machining device for positioning holes in CNC machining fixtures, relating to the field of positioning hole machining technology. It includes a worktable with an adjustment component inside, and a U-shaped frame fixed to the top of the worktable. A movable plate is slidably connected to the inner wall of the U-shaped frame, and an oil spraying component is located at the top of the movable plate. The adjustment component includes a fixed seat fixed to the center of the top of the worktable. This utility model achieves positioning and fixing of the positioning hole by inserting a positioning pin into the positioning hole in the part. When the tapered shaft rises, multiple sets of ball joints compress the return spring and extend from inside the positioning pin until the end face of the ball joint abuts against the inner wall of the positioning hole in the part. This effectively adapts to changes in the diameter of the positioning hole, ensuring precise alignment between the part and the tool, thereby improving machining accuracy, enhancing the versatility and flexibility of the device, avoiding frequent replacement of positioning pins of different sizes, simplifying the operation process, and improving production efficiency.

The invention provides automatic measuring equipment for a medium-length hole in a mine, and relates to the technical field. Comprising a frame, a plurality of measuring rods and an unwinding device, a limiting device is further arranged at the bottom of the frame, a transfer locking device is arranged between the limiting device and the unwinding device, the transfer locking device comprises a vertically-arranged driving shaft, and a positioning rod is fixed to the side wall of the driving shaft; the tail ends of the positioning rods are provided with positioning assemblies used for grabbing the measuring rods, the positioning assemblies directionally deflect around the driving shaft, the unwinding device comprises an unwinding roller and a rope, the bottom of the unwinding roller is fixedly connected with the first measuring rod, the unwinding roller is located on the deflection path of the positioning assemblies, and the rope is arranged on the unwinding roller. The positioning assembly at least comprises three locking rollers, and the multiple locking rollers are arranged in a C shape. The equipment can achieve automatic sleeving and fixing of the multiple measuring rods, and rapid and efficient measurement of deep holes in mines is achieved.

The utility model discloses a data center power distribution cabinet line connection and arrangement protection device which comprises a box body, a cover plate is installed on the box body, a plurality of wiring elements are arranged in the box body, a plurality of branching plates are fixedly connected to the inner bottom wall of the box body, a plurality of branching grooves are formed in the tops of the branching plates, and insertion rods are slidably connected to the interiors of sliding holes. According to the wire distribution box, after wires are placed in the wire distribution groove and the limiting groove, a user only needs to lift the two hand lifting plates to move relatively and drive the cover plate to rotate to the top of the box body, and then the two hand lifting plates are loosened; the operation is simple, the labor burden of workers is reduced, and the working efficiency is improved.

This invention discloses an automatically disconnecting liquid cooling connector for battery packs, comprising a liquid cooling connector body and a housing plate. A main connector is located on the front side of the liquid cooling connector body, with a raised strip on the outer side of the main connector. A main sleeve is fitted onto the main connector, and a limiting groove is formed on the inner side of the main sleeve. An adjustable limiting component is provided at the end of the raised strip. A spare connector is located on the side of the liquid cooling connector body. Internal branch pipes are located on both sides of the liquid cooling connector body, inside the housing plate. Threaded holes are formed at the bottom of the internal branch pipes, and temperature sensors are inserted into these threaded holes. An easily controllable opening and closing component is provided on the liquid cooling connector body. This invention, by adding a main connector and a spare connector to the liquid cooling connector body, and with the cooperation of the opening and closing component, achieves switching between the openings of the main connector and the spare connector, enabling coolant replacement without machine downtime, which is beneficial for improving product quality and production efficiency.

The utility model relates to the technical field of joint, especially a solar pipe joint structure, its technical scheme includes pipeline, still includes the limiting loop of fixed setting in the both ends of pipeline, the connecting head is movably sleeved in the both ends of pipeline respectively, the fixed loop of fixed sleeve is in the outer wall of pipeline, the fixed loop is slidably provided with the positioning assembly for the limiting of connecting head on, the utility model can realize the limiting fixation to connecting head, effectively offsets the acting force that arc pipeline vibration transmits to connecting head, prevents the loosening of connecting head and pipeline interface.

The utility model discloses an adjustable modularized indoor partition structure, particularly relates to the technical field of indoor partition, and comprises a ground rail and a hanger rail, a screen baffle is arranged between the ground rail and the hanger rail, a lower sliding block and an upper sliding block are respectively connected in the ground rail and the hanger rail in a sliding mode, and the lower sliding block and the upper sliding block are respectively provided with an installation groove. A plurality of extrusion springs are fixedly arranged in the mounting groove, one ends of the extrusion springs are jointly connected with an annular clamping block, a plurality of grooves are formed in the surface of the side, away from the extrusion springs, of the annular clamping block, and a plurality of protrusions connected with the grooves in a clamped mode are fixedly arranged on the upper bottom wall and the lower bottom wall of the screen baffle at equal intervals. Through the arrangement of the structure, the unfolded screen baffle can be rapidly and conveniently limited and fixed, and the situation that when the screen baffle is unfolded for partition, rotation occurs, and the partition effect of the screen baffle is affected is avoided.

The utility model provides a kind of engineering cost field surveying and mapping equipment, including latitude and longitude surveying and mapping instrument, latitude and longitude surveying and mapping instrument is fixedly installed on mounting plate, the bottom of mounting plate is hinged with several movable supports.The utility model has the beneficial effects as follows: when facing rugged use site, the length of adjustable supporting leg is extended from movable support, after length adjustment is completed, rotating knob is driven to rotate guide plate and rotating shaft, rotating shaft will drive rotating member to rotate, rotating member will push connecting rod to horizontal state, then connecting rod pushes clamping block to slide linearly in slide rail, the end of clamping block will be sequentially clamped in the clamping hole on supporting leg and the clamping groove on movable support, so as to lock fixing frame, movable support and supporting leg into one whole, then, push knob to slide on guide plate, so that knob is clamped into knob slot, realize the limit fixing of knob, achieve the purpose of locking mechanism limitation.

The utility model discloses a polyferric chloride liquid quantitative filling device, which relates to the technical field of polyferric chloride filling and comprises a support, a conveyor belt is mounted at the upper end of the support, and a controller and a liquid storage tank are mounted on one side of the support. Liquid in the liquid storage box is conveyed into the filling head through a pump and a pipeline, the filling head is installed on the liquid inlet box, an electromagnetic valve and a flow meter are installed on the filling head, a second air cylinder installed at the upper end of the liquid storage box is connected with the upper end of the liquid inlet box, two sets of circular plates are arranged on the filling head, and the circular plates are used for fixing bottles and preventing the liquid from splashing out. An anti-dripping assembly is installed on one side of the conveying belt. The height-adjustable double-circular-plate structure is arranged on the filling head, stable limiting and splash-proof protection of a bottle are achieved through contact between the double-circular-plate structure and a bottle opening, height adjustment and convenient disassembly and assembly are achieved through the sliding connection assembly, and safety, cleanliness and equipment applicability in the filling process are improved.

This application discloses an optical lens curvature radius detection device, including a reading and display mechanism and an image acquisition mechanism. A support frame is fixedly connected to the top of the reading and display mechanism. A sliding sleeve is slidably fitted onto the outer side of the support frame. A support rod is fixedly connected to the right end face of the sliding sleeve. A rectangular hole is opened in the middle of the support rod. A limiting sleeve is slidably fitted onto the outer side of the support rod. Multiple limiting grooves are symmetrically opened on the right end face of the support rod. A connecting frame is fixedly connected to the outer side of the limiting sleeve. A light source is fixedly connected to the end of the connecting frame away from the limiting sleeve. A rectangular groove is opened on the inner wall of the limiting sleeve. A limiting plate is slidably connected inside the rectangular groove. Two limiting blocks are symmetrically fixedly connected to the left end face of the limiting plate. A spring is provided inside the rectangular groove. A connecting plate is slidably inserted into the limiting sleeve. A pressing plate is provided on the outer side of the limiting sleeve. This application facilitates the adjustment of the height of the light source, thereby easily adapting to changes in the height of the lens surface.

The utility model provides a travel informatization signpost which comprises a stand column, the bottom end of the stand column is fixedly connected with a fixing base, and the surface of the top end of the stand column is connected with a fixing cylinder in a sleeved mode. The rotary drum is connected to the surface of the fixed drum in a sleeving mode, the side surface of the rotary drum is fixedly connected with an indicating plate, and an indicating board is installed on the surface of the indicating plate; the locking mechanism is mounted on the side surface of the rotary drum, and the locking mechanism is used for fixing the rotary drum; the ejection mechanism is mounted on the side surface of the indication board, and the ejection mechanism is used for ejecting the indication board; and the limiting assembly is installed on the surface of the front side of the indication board, and the limiting assembly is used for limiting the indication board. After the rotary drum rotates around the fixed drum and the indicating angle of the indicating board is adjusted, the rotary drum is limited and fixed through the locking mechanism, stable installation of the indicating board is guaranteed, the adjusting requirement of a worker is met, the operation difficulty is reduced, time is saved, and the practicability of the signpost is improved.

The utility model relates to wireless charging device technical field, concretely relates to a wireless charging device. Wireless charging device includes wireless charging panel and charging wire, and wireless charging panel includes shell, control circuit board and wireless charging module, the side surface of shell is equipped with the line outlet, and control circuit board and wireless charging module are installed in the shell, and wireless charging module is electrically connected with control circuit board, and the electric connection end of charging wire is electrically connected with control circuit board, and is led to the shell outside from the line outlet, in the shell, the line outlet place is provided with the limit card slot, and the limit card block is set up on the electric connection end, and the limit card block is clamped in the limit card slot.

The invention relates to a stator punching sheet structure, which comprises three groups of arc-shaped annular punching sheet bodies and a circle of convex teeth integrally formed on the inner side wall of each group of punching sheet bodies, two radial tangent planes of each group of punching sheet bodies are splicing end surfaces, a dovetail trapezoidal tenon I is integrally formed on one splicing end surface, and a dovetail trapezoidal tenon II is integrally formed on the other splicing end surface. The other splicing end face is provided with a first dovetail trapezoid groove matched with the first dovetail trapezoid tenon. The three sets of punching sheet bodies are spliced into a whole circle through interference fit of the first dovetail trapezoid tenon and the first dovetail trapezoid groove. According to the invention, the three groups of arc-shaped punching sheet bodies are spliced into a complete circular stator structure through the interference fit of the first dovetail trapezoidal tenons and the first dovetail trapezoidal grooves, and fit positioning of the reference pins on the inner walls of the L-shaped arc blocks and the positioning blind holes is matched; and the L-shaped arc blocks are in interference fit with the dovetail trapezoidal grooves II in the side surfaces of the punching sheet bodies through the dovetail trapezoidal tenons II, so that the coaxiality error of the three groups of spliced punching sheet bodies is reduced.

This utility model relates to the field of asphalt pavement testing technology, specifically to an asphalt pavement compaction testing device. The device comprises a vehicle body with a square hole, inside which a nucleus-free density meter is installed. A connecting rod is connected to the outside of the nucleus-free density meter, and connecting blocks are detachably connected to both sides of the connecting rod. A support frame is installed on the top of the vehicle body, and two lifting components are symmetrically arranged inside the support frame, with the lifting components drivingly connected to the connecting blocks. A handle is fixedly installed at one end of the vehicle body, and a horizontal fixing plate is installed above the handle. A controller is installed on the fixing plate, and the controller is connected to the nucleus-free density meter via a wire. A traveling component is installed at the bottom of the vehicle body. This utility model can detect the compaction degree of asphalt pavement without damaging the asphalt pavement; it also reduces the time required for detecting asphalt pavement compaction, enabling rapid detection and improving testing efficiency.

This utility model belongs to the field of display cabinets, specifically a rotating dustproof display cabinet. Addressing the problem that most existing display cabinets use a fixed structure, limiting their placement to a single location and resulting in limited viewing angles and mediocre display effects, this invention proposes the following solution: a polygonal base and a polygonal display frame rotatably mounted on top of the base. Each face of the polygonal display frame has a door frame rotatably mounted on it. Multiple placement plates are used to hold exhibits, and these plates are fixedly mounted inside the polygonal display frame. During use, the rotation of the polygonal display frame allows for omnidirectional display of multiple exhibits, enabling any exhibit to be moved to the main display area, thus improving the display effect. Furthermore, the internal fixing mechanism provides limiting and fixing for the polygonal display frame and door frames. This display cabinet is dustproof, easy to operate, and offers excellent display results.

The utility model provides a kind of infrared induction switch control panel, including panel body, the inside of panel body is equipped with the wireless signal transceiver of infrared induction switch electric connection with controller, the outer surface of panel body is equipped with touch screen and control button, the outer surface of panel body is equipped with the protection mechanism that the touch screen and the control button both cooperate, the shell of panel body is equipped with the limiting mechanism that the protection mechanism cooperates.The utility model has the beneficial effect as follows, by the design of protection mechanism and limiting mechanism, infrared induction switch control panel can be protected when not in use, and quickly opened when needed, without affecting touch operation.

The utility model relates to a high-speed cable welding vertical separation type fixing structure, which is characterized in that at least one grounded base is fixed on a PCB (printed circuit board) along the length direction of the PCB, an upper cover is fixed on each base, and a plurality of compartments which are distributed in rows and are independent from one another are arranged on the base in a cover sealing area of the upper cover; two signal bonding pads are arranged in an area surrounded by each compartment on the PCB, and signal lines in a plurality of high-speed cables of each high-speed cable group enter different compartments on one base respectively and are welded with the signal bonding pads; the upper cover is matched with the base to tightly press the section, provided with the protective sleeve, of the high-speed cable, and a ground wire in the high-speed cable is welded to the base. The fixing structure has the beneficial effects that the fixing structure does not need adhesive dispensing, so that the problem of impedance increase caused by excessive adhesive dispensing does not need to be considered, the performance of the high-speed optical module is not influenced, mutual interference among signal lines in a high-speed cable is effectively avoided, and the risk of loosening of the high-speed cable is reduced.

The utility model discloses a virtual live broadcast and recorded broadcast cooperative control switching platform, which relates to the technical field of recorded broadcast and comprises a switching platform main body, a moving assembly is arranged in the switching platform main body, the moving assembly comprises a cover plate, a live broadcast assembly is arranged in the cover plate, and the live broadcast assembly is arranged in the cover plate. The movable assembly comprises a protection box, a displayer, a threaded rod, a supporting block, a connecting frame, an electric telescopic rod and a limiting groove, and the movable assembly has the advantages that the threaded rod is driven to rotate by starting a servo motor on the lower end face of the protection box, the supporting block moves up and down along the inner wall of the protection box, and the connecting frame can be driven to move by starting the electric telescopic rod; the display rotates around the rotating connection point of the display and the supporting block, a worker can adjust the display to a proper watching angle conveniently, operation convenience and comfort are improved, the display and the live broadcast assembly can be stored in the protection box when the display is not used, shaking and collision are reduced, the service life of equipment is prolonged, and it is ensured that live broadcast and recorded broadcast cooperative control work is conducted stably.

The present application relates to the field of liquid viscosity detection, and particularly discloses a cosmetic viscosity detection device, which comprises an instrument rack, a rotor and a mounting bracket, the instrument rack and the mounting bracket are connected through a leveling member, the mounting bracket is provided with a driving source, an auxiliary mounting member and a supporting member, the leveling member comprises two mutually perpendicular connecting shafts arranged horizontally, the second connecting shaft is fixed on the instrument rack, the second connecting shaft is externally sleeved with a sleeve, the first connecting shaft is radially arranged on the outer circular surface of the sleeve, the first connecting shaft is provided with two, the outer part of the first connecting shaft is provided with a suspension bracket through a bearing, the bottom of the suspension bracket is connected with the top of the mounting bracket, and the bottom of the mounting bracket is provided with a counterweight, after the instrument rack is placed on the tabletop, the center line of the overall structure composed of the mounting bracket, the driving source, the auxiliary mounting member, the supporting member and the counterweight will finally be vertically arranged.

The utility model belongs to the technical field of vortex shedding flowmeters, and particularly relates to a double-probe vortex shedding flowmeter which comprises a measuring tube, flanges are fixedly connected to the two ends of the measuring tube, first connecting seats are fixedly connected to the top and the bottom of a probe fixing seat, and connecting wires are fixedly connected to the end of a first probe and the end of a second probe. Limiting frames are clamped outside the probe fixing seat, limiting rods are in threaded connection with the outer portions of the two-way threaded rods, second limiting columns are fixedly connected to the opposite faces of the two limiting rods, and limiting grooves are formed in the ends of the limiting rods. By arranging the first probe, the second probe, the limiting frame, the two-way threaded rod, the second limiting column and the clamping groove, it can be avoided that due to corrosion of a connector, the overhaul difficulty of the flowmeter is increased; and by arranging the first limiting column and the inserting groove, the limiting rod can move stably, and then the clamping block is inserted into the inserting groove, so that the flowmeter display can be mounted and dismounted.

The invention relates to the technical field of aerosol inhalation equipment, in particular to a targeted aerosol inhalation administration device for acute lung injury, which comprises an atomizer, a communicating pipe, a preheating mechanism and an atomizing mechanism, a preheating mechanism is installed above the atomizer, a communicating pipe is arranged in the preheating mechanism, one end of the communicating pipe communicates with the atomizer, and the other end of the communicating pipe communicates with an atomizing mechanism; the preheating mechanism comprises a heating frame fixedly connected with the atomizer, a bottom plate is arranged in the heating frame, a plurality of guide grooves are formed in the bottom plate, springs are arranged in the guide grooves, one end of each spring is fixedly connected with a moving column, and the other end of each spring is fixedly connected with the inner wall of the heating frame; the communicating pipe is preheated, so that the airflow temperature is appropriate, cold fog is prevented from stimulating the airway, uncomfortable symptoms such as cough and bronchus spasm are reduced, and the use tolerance of children, old people, chronic obstructive pulmonary disease patients and asthma patients is improved.

This utility model discloses a medical expander with a locking function, which includes a first expander rod and a second expander rod, the middle parts of the first expander rod and the second expander rod are hinged to each other, one end of the first expander rod and the second expander rod are respectively provided with a first expander part and a second expander part, the other end of the first expander rod and the second expander rod are opened by a spring plate and the first expander part and the second expander part are brought closer together, and a locking mechanism is provided between the first expander rod and the second expander rod to drive the spring plate to bend and to move the first expander part and the second expander part away from each other; in use, the first expander part and the second expander part are expanded by manual pressing, and the expansion state of the first expander part and the second expander part can be limited and fixed by rotating the cylindrical bolt head. It is easy to operate, and the expansion state can be finely adjusted within a certain range by the cylindrical bolt head, which improves its practicality and facilitates the smooth progress of subsequent surgery.

The container comprises side plates and a platform plate, and the platform plate has a supporting state perpendicular to the side plates and an avoiding state attached to the side plates; the container further comprises a supporting assembly, and the supporting assembly comprises a supporting piece rotationally connected with the platform plate and a locking piece matched with the supporting piece. The supporting piece comprises a supporting rod and a lock arranged at the end, away from the platform plate, of the supporting rod. The locking piece comprises a mounting seat, a limiting groove is formed in the mounting seat, and when the platform plate is in a supporting state, the limiting groove is matched with the lock head to lock the supporting rod, so that the supporting rod supports the platform plate. The limiting groove in the mounting seat can be clamped and matched with the lock head in the supporting piece, so that the supporting piece can be limited and fixed, in this way, in the cargo loading or container transportation process, even if the supporting piece shakes, the limiting groove can limit the lock head, and the safety of the container is improved. And the supporting piece can support the platform plate more stably.

The application provides a metal piece spraying fixing tool, which comprises a workbench, a controller and a fixed block fixedly arranged on the top of the workbench, a moving plate symmetrically and slidably connected to the top of the fixed block, a supporting block fixedly connected to the top of the moving plate, a rotating block rotatably connected to the inside of the supporting block, a connecting column fixedly connected to one side of the rotating block and used for fixing the two ends of a tubular metal piece, an adjusting mechanism connected with the fixed block and used for adjusting the distance between the two connecting columns, an inner supporting mechanism installed in the connecting column and used for supporting the inner wall of the tubular metal piece, and a rotating mechanism installed in the supporting block and used for driving the tubular metal piece to rotate. The application drives the tubular metal piece to rotate by setting the ejection of the inner supporting mechanism and the rotation of the rotating mechanism, supports the inner wall of the tubular metal piece, realizes limiting and fixing, does not need to contact the outer wall of the tubular metal piece, and improves the spraying efficiency and cost.

The utility model discloses an atomizing core, an atomizer and an electronic atomizing device. Belongs to the technical field of aerosol generation. According to the atomizing core, at least part of the fixing base is arranged in the atomizing pipe, so that the pins and the heating body are limited and fixed, the heating body is prevented from loosening, the fixing base is made of the ceramic material of the porous structure, and the fixing base has the advantages of being good in acid resistance, alkali corrosion resistance, high temperature resistance and the like; therefore, the pins can be stably limited and fixed by the fixing seat, and harmful substances cannot be released due to the adhesion of aerosol or the influence of high temperature. Besides, the adsorption area of the aerosol can be increased by utilizing the large surface area of the porous ceramic due to the high porosity, the risk that the aerosol diffuses towards the battery rod in the direction far away from the suction nozzle is reduced, condensate formed after the aerosol is cooled is effectively latched, and the aerosol adsorption effect is improved. Therefore, the risk that the condensate flows to the control module and the power module is reduced.

The utility model provides an aloft work anti-falling device for water conservancy constructional engineering, which belongs to the field of water conservancy constructional engineering and comprises a bottom plate, a buffer assembly is mounted on the bottom plate, a fixing plate is mounted on the buffer assembly, a supporting frame is fixedly connected to the upper end face of the fixing plate, two winding rollers are mounted on the supporting frame, and the winding rollers are fixedly connected to the upper end face of the fixing plate. The two winding rollers are each provided with an anti-falling assembly. When an accident occurs, the rotating speed of the wind-up roller is increased, a balancing weight can impact a poke rod to enable the poke rod to move upwards, then a third spring is reset, a clamping block is pushed out, and the clamping end of the clamping block is matched with a baffle to limit a fixing ring, so that the wind-up roller is limited and fixed, the construction safety of personnel can be guaranteed, and the construction efficiency is improved. And a fourth spring is matched with a damper, so that the impact force during falling is buffered, the damage of the impact force to constructors is reduced, and the safety of the device is further improved.

The utility model provides a space pipe bending mould, which relates to the technical field of moulds and comprises a base, a mould disc, a plurality of mould ring grooves, a bearing, an outer ring, a mounting frame, a main shaft, a ring pad, a gradient plate, a compression roller, a bolt, an inserting hole, an inserting groove and a clamping groove seat. According to the pipe bending mould, pipes of different sizes can be placed in the multiple mould ring grooves, the pressing rollers on the mounting frame move along the mould ring grooves to complete pipe bending work, the plug pins are connected with the insertion holes and the insertion grooves in a matched mode to achieve limiting and fixing of the main shaft in the pipe bending process, the bending function of the pipe bending mould for the pipes of the different sizes is achieved, and the application range of the mould is widened; the technical problems that an existing pipe bending mould is single in function and cannot meet the bending requirements of pipes of different specifications and shapes are solved.

The utility model is suitable for the technical field of crankshaft carrying and provides a kind of crankshaft carrying bracket, including supporting plate;Fixedly connected in the fixed cylinder of the four corners of the bottom end of supporting plate, the fixed cylinder inside is slidably connected with the sliding plate extending to the outside of fixed cylinder;Fixed groove of equal interval is set in the top end of supporting plate, the inner wall of fixed groove is fixedly connected with sliding rod, the surface of sliding rod is movably connected with sliding block, the top end of sliding block is fixedly connected with support plate;Reserved slot is set in the top end of support plate, the inside of reserved slot is movably connected with the lifting plate extending to the outside of support plate, the top end of lifting plate is fixedly connected with V-shaped plate.The scheme provided by the utility model utilizes the support plate that can slide back and forth and the V-shaped plate that can slide up and down, so that the crankshafts of different lengths or diameters can be adjusted, and then the different crankshafts can be better placed and supported, improving its applicability.