374results about How to "Save installation time" patented technology

The utility model discloses a suspended fire-fighting pipeline supporting device, which relates to the field of fire-fighting pipeline installation and comprises a pipeline bearing unit and fixing units, the pipeline bearing unit comprises a bearing plate, a pressing plate and two adjusting arms, and the two fixing arms are fixedly installed at the top of the bearing plate. The area between the two fixed arms is used for placing a pipeline; the adjusting arms and the fixed arm can be connected in a relative moving mode, the pressing plate is detachably installed on the two adjusting arms and used for pressing and fixing a pipeline, and a hanging ring used for being connected with a hanging rope is fixedly welded to the upper surface of the pressing plate. The installation height of the pipeline can be quickly and accurately adjusted only by rotating the high-strength screw without field cutting, the installation time is greatly shortened, and the installation efficiency is remarkably improved.

The utility model discloses a detachable supporting assembly for a giant circular ring. The detachable supporting assembly comprises a lining plate, a first supporting rod, a second supporting rod and an adapter plate. The plurality of lining plates are uniformly arranged in a circle along the inner wall of the ring and are fixed with the inner wall of the ring by spot welding, the adapter plate is located at the center of the ring, the length of the two first support rods is slightly smaller than the diameter of the ring, two ends are connected with the lining plates through bolts, and the middle is connected with the adapter plate through bolts; the second inner supporting rods are arranged in the radial direction, the outer ends of the second inner supporting rods are connected with the inner lining plate through bolts, and the inner ends of the second inner supporting rods are connected with the adapter plate through bolts. The inner supporting assembly is simple in structure and convenient to construct, on the premise that stable supporting is guaranteed, mounting and dismounting difficulty is lowered, mounting time is shortened, labor cost is saved, meanwhile, welding workload is reduced, worker fatigue and welding quality reduction caused by long-time welding are avoided, the inner supporting assembly can be positioned and corrected through bolts, and the production efficiency is improved. Compared with an all-welded structure, stress concentration can be effectively reduced.

The application discloses a self-balancing offshore operation platform safety ladder and a use method thereof, which comprises a sliding seat arranged in a horizontal sliding mode, a connecting frame hinged to one end of the sliding seat, a footboard horizontally and rotationally connected to the connecting frame, and a counterweight hung at the bottom of the footboard, wherein a hoisting frame is installed at the top of the sliding seat, the top end of the hoisting frame is connected with the movable end of the connecting frame through a lifting rope, and a horizontal shaking buffer assembly is arranged between the connecting frame and the footboard. The self-balancing mechanism and the buffer assembly significantly improve the stability of the safety ladder under complex sea conditions, the real-time response and anti-skid design ensure the safety of personnel getting on and off the platform, and the quick installation and modular design facilitate daily use and maintenance.

A road concrete formwork installation structure is disclosed. This relates to the field of road concrete pouring. Existing road concrete formwork uses a bolt assembly structure. When installing a large number of formwork units, this structure not only leads to bolt loosening but also increases the construction period. Therefore, this invention provides a road concrete formwork installation structure. This invention includes a clamping mechanism. Two adjacent formwork units are connected by the clamping mechanism, which works in conjunction with an insert post. The clamping mechanism and the insert post are connected by an insertion clamping method. The clamping mechanism includes a clamping plate, a handle, and locking holes. Two locking holes are provided on the clamping mechanism, which are inserted into the insert post. The top surface of the locking hole is flat, and the bottom surface is arc-shaped. A groove matching the clamping mechanism is provided near the center of the insert post. The clamping mechanism locks two adjacent formwork units together. This invention is applied to the field of road concrete formwork installation.

The utility model discloses a quick dismounting's modularization photovoltaic controller belongs to photovoltaic equipment technical field, including fixed frame, the front of fixed frame is equipped with two connecting strips, the back of every connecting strip all is connected with two hooks, and the inside of fixed frame is provided with two groups of mounting holes, and the front of every mounting hole all is equipped with fastening screw rod, and the front of two connecting strips is commonly installed with integrated box through bolt, through adopting the design of double hook and fixed frame cooperation, not only can fastly complete the preliminary fixation of overall device, and greatly shorten the installation time, and simultaneously utilize fastening screw rod to further ensure the stability of installation, avoid the device loosening because of external vibration and other factors, and the quick dismounting of modularization photovoltaic control module is realized through positioning hole and positioning bolt, when the failure of certain module appears, need not to disassemble whole device, just need to screw down positioning bolt to replace, greatly reduced maintenance difficulty and cost, improved maintenance efficiency.

This utility model relates to the field of foundation pit protection technology and discloses a protective device for water tank foundation pits. It comprises at least one set of two main protective railings, two connecting plates, and secondary protective railings equidistantly arranged between the two connecting plates. Movable seats are fixedly installed at equal intervals on the inner side of each connecting plate. This device achieves overall optimization of the protection system through a multi-layered reinforcement structure. The double-rib design built into the main protective railings forms a parallel reinforcement structure, effectively resisting the horizontal earth pressure on the sidewalls of the foundation pit. Experimental calculations show that under the same load conditions, the deformation of the railing is reduced by more than 40% compared to traditional single-layer structures. The hollow core slab uses a grid structure composed of reinforcing rib seats and reinforcing rib columns to form a three-dimensional support system. The diameter of the reinforcing rib columns is 1 / 3 to 1 / 2 of the height of the reinforcing rib seats, and the surface is provided with annular reinforcing ribs. This parameter configuration increases the compressive strength of the hollow core slab to over 8 MPa.

The utility model discloses a drilling positioning tool for machining mechanical equipment spare and accessory parts, and relates to the technical field of drilling positioning equipment, the drilling positioning tool comprises a mounting frame and a mounting rack, the inner wall of the mounting frame is fixedly provided with a servo motor, the side edge of the mounting frame is fixedly provided with a fixing block, the periphery of the fixing block is clamped with a U-shaped plate, and the U-shaped plate is fixedly connected with the mounting rack. A supporting frame is fixedly connected to the surface of the lower end of the U-shaped plate, and a positioning and clamping assembly is connected to the mounting frame. A quick disassembly and assembly mechanism is connected between the fixed block and the U-shaped plate; according to the utility model, the quick disassembly and assembly mechanism is arranged between the fixed block and the U-shaped plate, so that quick disassembly and assembly of the U-shaped plate and the fixed block are realized. During mounting, the U-shaped plate is clamped on the periphery of the fixed block, and the limiting insertion rod can be automatically inserted into the limiting insertion hole under the cooperation of the reciprocating component, so that stable connection is completed; during dismounting, the limiting insertion rod is pulled out of the limiting insertion hole by operating the reciprocating part, and then the U-shaped plate can be rapidly taken down.

The utility model belongs to the technical field of household seats, and particularly relates to a backrest dismounting and mounting structure and a seat. The backrest dismounting and mounting structure comprises a mounting piece, a mounting base, a reset spring and a locking pin. Wherein the reset spring is provided with a fixed end far away from the mounting base and a deformation end close to the mounting base, and the rebound direction of the reset spring is staggered with the mounting direction of the mounting piece; the locking pin is connected with the deformation end and moves in the compression direction and the rebound direction of the reset spring. A locking groove is formed in the mounting piece; during installation, the reset spring is compressed firstly, the reset spring rebounds after the locking groove moves to the motion trail of the locking pin, the locking pin is pushed into the locking groove by the reset spring, and locking is completed. The locking pin is further provided with a first limiting part for limiting the locking groove to move in the direction opposite to the installation direction, and the installed installation piece is prevented from retreating from the installation base. According to the utility model, the seat can be quickly assembled without the assistance of a toolkit, and the assembly is simple and convenient.

This utility model provides a disc-lock node structure, which includes: a horizontal support frame; a vertical fastener disposed on the horizontal support frame, with its end connected to the end of the horizontal support frame to form an inverted L-shaped structure; and a clamping lock disposed on the horizontal support frame in a position-adjustable manner along its length. This utility model allows the clamping lock to move towards the vertical fastener, enabling both the clamping lock and the vertical fastener to be inserted into the connecting hole of the connecting disc and the fixing hole of the member to be fixed, and to move away from the vertical fastener, so that the clamping lock and the vertical fastener can respectively abut against the inner wall of the fixing hole along the radial direction of the fixing hole and the connecting hole, thus securing the clamping lock to the member to be fixed and achieving a fixed connection between the connecting disc and the member to be fixed.

The novel edge constructional column aluminum formwork construction device comprises a support arranged on an upper floor slab and an aluminum alloy formwork, the support is in a cross shape, pulleys are arranged at the two ends and the top of the support, and the novel edge constructional column aluminum formwork construction device further comprises a connecting steel plate arranged on the upper floor slab. The connecting steel plates are respectively welded on the upper surface of the upper floor and the floor wall surface; according to the method for driving the aluminum formwork through the support, in the actual construction process, operability is high, increase and decrease can be conducted according to the site reality, installation is convenient, meanwhile, installation is rapid and convenient, after an external scaffold is dismantled, installation is conducted through a crank arm vehicle in a traditional mode, time and labor are consumed, the installation time of workers can be effectively shortened, applicability is high, and the construction efficiency is improved. Installation and detachment are convenient, construction elevators and other machines and tools can be adopted for transportation upstairs, the requirements for sites and environments are not high, the rubber sealing strips additionally arranged on the two sides of the aluminum formwork can effectively prevent slurry leakage, and the engineering quality and the finished product effect are guaranteed.

The utility model discloses a hinge formula openable three-axis coil structure, including the whole of rectangular structure of profile truss, X axis coil winding skeleton, Y axis coil winding skeleton and Z axis coil winding skeleton group's coil system, wind X axis coil on X axis coil winding skeleton, wind Y axis coil on Y axis coil winding skeleton and wind Z axis coil on Z axis coil winding skeleton, one side of coil system is provided with coil door, and the coil door includes the Z axis coil disconnected at the butt -joint end and the rotating Z axis coil winding skeleton that is disconnected at butt -joint end, is hinged with the Z axis coil winding skeleton of adjacent surface through heavy hinge at the rotating side, and the two free ends of Z axis coil are installed with heavy load connector respectively, and the two heavy load connectors of two free ends of same Z axis coil are buckled fixed link through butt -joint upper shell and lower shell, and Z axis coil circuit is connected when closing. The utility model makes sample installation time shorten, realizes magnetic field performance zero compromise and saves maintenance dismounting cost.

This utility model discloses a combined car cooling and fire extinguishing robot, including an active fire extinguishing mechanism and a passive fire extinguishing mechanism. The active fire extinguishing mechanism includes a chassis with walking mechanisms on both sides. A fire extinguishing pipe is installed inside the chassis, including a water inlet pipe with a first water inlet at one end and a water outlet at the other end. Several water inlet branch pipes are evenly connected to both sides of the water inlet pipe, and a spray pipe is connected to the end of each branch pipe. A first nozzle is installed at the outlet of the spray pipe. The passive fire extinguishing mechanism includes a fire extinguishing frame with a second water inlet. A connecting pipe connects the outlet and the second water inlet. Second nozzles are evenly arranged on the top of the fire extinguishing frame. This utility model has two fire extinguishing mechanisms, increasing the fire extinguishing range. Furthermore, the two fire extinguishing mechanisms are relatively low, allowing them to easily penetrate under the vehicle to precisely cool the battery and quickly and effectively control the fire.

The utility model relates to a simple pontoon stoplog type access door for water conservancy facility maintenance, which comprises a group of pontoons (1) which are inserted together along the longitudinal direction, nuts (7) which are correspondingly matched with hanging rings are arranged on the pontoons (1), a group of positioning pins (4) and a group of positioning sleeves (3) are arranged on the pontoons (1), and a water stop component (a) is arranged on the front surface of each pontoon (1). A first base plate (6) correspondingly matched with the water stop assembly (a) is arranged on the buoyancy tank (1), a set of limiting plates (9) are arranged on the back face of the buoyancy tank (1), and a sliding plate (10) is arranged on the buoyancy tank (1) outside the limiting plates (9). The device is simple in structure, convenient to use, suitable for different working environments and easy and convenient to adjust.

The utility model relates to the technical field of shock absorber dust covers, and discloses a shock absorber dust cover with a quick installation structure, which comprises a nut, an upper support, a buffer block, an oil storage cylinder, a protective cover and a piston rod, a dust cover body is arranged on the outer wall of the upper support, and a first clamping structure is arranged on the outer wall of the dust cover body. An upper spring cushion is arranged on the outer wall of the upper support, and a second clamping structure, a third clamping structure and a fourth clamping structure are arranged on the outer wall of the upper spring cushion. According to the shock absorber dust cover with the rapid installation structure, a partial groove clamping structure is adopted, original axial pushing force is changed into circular rotating force, a worker can easily assemble the dust cover body and the upper spring cushion, then the dust cover body is rotated, assembly can be completed, in the installation process of the worker, the force value needed by installation is reduced, and the installation efficiency is improved. The time required for installation is saved, time and labor are saved, and then the labor cost is saved.

This utility model provides a steel formwork construction platform for concrete retaining walls, including a platform base plate, a guardrail assembly, and a diagonal bracing assembly. The platform base plate has a bottom frame, with a mesh panel at the top and connecting plates at both ends. The guardrail assembly has side support frames, with L-shaped connecting rods fixedly installed on both sides of the side support frames, the L-shaped connecting rods being rotatably connected to the sides of the bottom frame. The diagonal bracing assembly has a threaded rod, with support tubes threaded to both ends. A hinge is fixedly installed at the end of one support tube, and a mounting seat is fixedly installed at the end of the other support tube, the hinge being rotatably connected to the sides of the bottom frame. A locking mechanism is provided on the inner side of the bottom frame. When the side support frames are perpendicular to the bottom frame, the locking mechanism locks or releases the L-shaped connecting rods from the bottom frame. This utility model saves installation time, has a high space utilization rate due to its foldable design, and is convenient for transportation and storage.

This utility model relates to the field of bag filter cloth technology, and more particularly to a bag filter cloth device. It includes a connecting frame, with a filter cloth body mounted on the inner wall of the connecting frame. A connecting mechanism is provided on one side of the connecting frame, and the connecting mechanism includes an adjusting frame that slides through the inner wall of the connecting frame. One side of the adjusting frame is fixedly connected to the filter cloth body, and both ends of the adjusting frame are fixedly connected to fixing plates. A telescopic rod is fixedly connected to the side of each fixing plate closest to each other, and a connecting ring is fixedly connected to the arc-shaped end of the telescopic rod away from the fixing plates. The bag filter cloth device provided by this utility model has the advantages of allowing the bag filter cloth to be quickly removed from the connecting frame through the connecting mechanism when foreign objects need to be cleaned inside the bag filter cloth, facilitating cleaning by personnel and improving cleaning efficiency.

The application relates to the field of vehicle-mounted communication, in particular to a vehicle-mounted anti-shock communication interference device which comprises a base, a lower shell, an upper shell, a fixing assembly and a locking assembly. The lower shell is abutted on the base; a plurality of through holes are arranged on the side wall of the lower shell; the upper shell is arranged above the upper shell; an L-shaped limiting ring is fixed on the inner side wall of the upper shell; when the limiting ring is driven to move downward by the upper shell, the limiting ring drives the elastic rod to deform inwardly, the limiting ring passes through the J-shaped hook, the J-shaped hook is reset, the hooking gap is above the bent rod, the locking assembly provides upward thrust to the upper shell, the bent rod and the limiting ring are engaged, the upper shell and the lower shell are fixed, the use of the nut is avoided, and the influence of humid air on the installation and dismounting of the shell can be avoided.

This utility model discloses a quick-sealing installation structure for a hydraulic cylinder used in a hydraulic press, including a cylinder body with a cavity for accommodating a piston rod, one end of which is open; a sealing assembly including at least one sealing ring surrounding the piston rod; and a mounting base fixedly disposed at the open end of the cylinder body, with a mounting groove for mounting the sealing assembly. This utility model relates to the technical field of sealing installation structures. This quick-sealing installation structure for a hydraulic cylinder used in a hydraulic press, through the synergistic action of a limiting component, allows for the positioning and fixing of the sealing component without complex tools. The cooperation between the positioning post and the positioning groove ensures accurate installation of the sealing component, and the snap-fit ​​structure between the limiting post and the limiting ring enables rapid locking, significantly shortening installation time, reducing operational difficulty, and improving assembly efficiency.

The utility model discloses a corrosion-resistant thermocouple for a high-temperature heater, which comprises a junction box, a mounting pipe arranged in the middle of the lower end of the junction box, a measuring end arranged in the middle of the lower end of the mounting pipe, a reference end arranged in the middle of the top wall of the junction box, and a fixing mechanism, the fixing mechanism comprises fixing rods, an adjusting plate, push plates and a mounting seat, the mounting seat is arranged on the upper side of the outer arc surface of the mounting pipe, the fixing rods are arranged on the upper side in the mounting seat, the adjusting plate is slidably connected to the rear side of the top wall of the mounting seat, and the push plates are arranged on the left side and the right side of the front end of the adjusting plate respectively; according to the corrosion-resistant thermocouple for the high-temperature heater, complex bolt tightening and flange alignment operations are not needed during installation, when replacement or maintenance and overhaul are needed subsequently, the thermocouple can be easily taken out only by loosening the clamping plates, the shutdown time of the high-temperature heater is further shortened, and the service life of the high-temperature heater is prolonged. And the production efficiency of cigarettes is ensured.

The utility model discloses a flange barrel which comprises a barrel body, a bottom plate is arranged at the bottom of the barrel body, a grating is fixedly arranged at the top of the bottom plate, side edge stabilizing pieces are fixedly arranged at the two ends of the bottom plate, clamping blocks are fixedly arranged at the front end and the rear end of the top of the grating, and side notches are formed in the opposite sides of the two clamping blocks. Clamping pieces are symmetrically arranged at the positions, close to the bottom, of the front side and the rear side of the can body and located in the side notches. Liquid seeping from the bottom of the barrel body flows into the opening type liquid storage space at the top of the bottom plate through the grating, direct leakage to the outside is avoided, environmental pollution and material loss are reduced, the grating and the bottom plate are convenient to detach and clean, residual liquid is prevented from breeding bacteria or corroding the barrel body, and the stabilizing pieces on the two sides of the bottom plate enhance the overall supporting force and improve the stability of the barrel body. And the barrel body is prevented from shaking during vibration or stacking.

The utility model discloses a press-type electronic screen connecting device easy to disassemble. The press-type electronic screen connecting device comprises an electronic screen connecting main body, a track and a power supply connecting assembly, the electronic screen connecting body is provided with a pressing type lock catch matched with the electronic screen connecting body, and an elastic element is arranged in the pressing type lock catch and connected with a fixing groove formed in the track in a clamped mode. A metal contact is arranged at the top of the electronic screen connecting main body, and a metal power supply strip is arranged at a corresponding position in the track; the power supply connecting assembly comprises a conductive elastic sheet and a metal screw. The pressing type lock catch is clamped with the fixing groove of the track through the elastic element, a quick and simple unlocking mode can be achieved, tool assistance is not needed, disassembly can be completed through one-time operation, the guide inclined face of the fixing buckle is matched with the fixing groove, automatic alignment is achieved during pushing, the installation time is shortened, and electronic screens of different sizes are adapted; and the method can be expanded and applied to multiple scenes such as advertisement screens and industrial control screens, and the flexibility and stability of long-term use are ensured.

The utility model relates to an air -conditioning air outlet screen cage belongs to air conditioning technical field, including air conditioner and screen body, the left and right sides of screen body all are equipped with the dismounting component for realizing quick dismounting, the dismounting component includes the casing fixedly connected respectively in the left and right sides of screen body, the inboard rotationally connected of casing has the pivot, the outside fixed connection of pivot has transmission gear, the upper and lower sides of transmission gear all have the driven gear that engages, the inboard fixed link of driven gear center has the threaded shaft, the outside screw thread connection of threaded shaft has screw lifting piece, the opposite side of upper and lower sides screw lifting piece all are fixedly connected with locking shaft. The air -conditioning air outlet screen cage, drives pivot rotation through the dial, and then drives transmission system to make locking shaft telescopic, realizes the quick installation and dismounting of screen body, and operating personnel need not help complicated tool, has saved the installation and dismounting time greatly.

The embodiment of the application provides a support mechanism and a belt type conveying device, and relates to the technical field of tunnel construction equipment.The support mechanism comprises a support beam, the support beam is used for supporting a conveying device of a tunnel; at least one base, the base is used for being connected with an inner wall of the tunnel; at least one column, one end of the column is hinged to the support beam, and the other end of the column is hinged to the corresponding base; and a driving assembly, the driving assembly is arranged on each column, and the driving assembly is used for driving the column to rotate at the hinged place on the base, so that the column drives the support beam to ascend and descend.The support mechanism and the belt type conveying device can improve the installation efficiency of the support mechanism.

This utility model discloses an easy-to-install duplexer, belonging to the field of duplexer technology, aiming to solve the problem of the extremely difficult disassembly process when the duplexer needs maintenance due to equipment failure in existing technologies. It includes a duplexer body and a mounting plate. The mounting plate is located at the bottom of the duplexer body, and a connecting block protrudes from the bottom of the duplexer body. The connecting block is detachably connected to the mounting plate. An installation hole is opened inside the mounting plate near the side, and a drive rod is slidably installed in the installation hole. A drive block is fixed to the portion of the drive rod located deep within the installation hole, and a first spring is installed on the drive block, which is fixedly connected to the inner wall of the installation hole. A pressing block is fixedly connected to the rod body portion of the drive rod located inside the installation hole. A movable block is provided on the sliding path of the pressing block, and a locking rod is fixedly connected to the other side of the movable block. This easy-to-install duplexer eliminates the need for complex professional tools, reducing the difficulty and threshold of installation.

The utility model discloses a high-speed train anti-drag apron board mounting and positioning structure, which belongs to the technical field of high-speed trains and is characterized by comprising a train body, four mounting plates are bolted to the front side and the rear side of the bottom of the train body respectively, flow guide apron boards are arranged between the front sides of the four mounting plates on the front side and between the rear sides of the four mounting plates on the rear side respectively, and the flow guide apron boards are arranged on the bottom of the train body. Two quick clamping assemblies and two magnetic attraction positioning assemblies are arranged between the flow guide apron board and the mounting plate, each quick clamping assembly comprises a first mounting seat, the side, close to the mounting plate, of each first mounting seat is in bolted connection with the mounting plate, a first butt joint groove is formed in each first mounting seat, and a second butt joint groove is formed in each first butt joint groove; the problems that an existing installing and positioning structure for the anti-drag apron board has some defects that the installing precision is difficult to guarantee, the installing process is complex, the positioning stability is poor and the like, and the anti-drag effect and the service life of the anti-drag apron board are affected by the problems are solved.

The utility model discloses a stepping motor winding insulation device, which relates to the technical field of stepping motors and comprises a stator shell, stator iron cores are arranged on the inner side of the stator shell in an annular array mode, a winding insulation frame is arranged on the outer side of each stator iron core, and the winding insulation frame is arranged on the outer side of the stator shell. A stator coil is wound on the winding insulating frame; the winding insulation frame comprises two symmetrically-arranged arc-shaped outer frames, arc-shaped inner plates are integrally arranged at the bottoms of the arc-shaped outer frames, and bent baffles are integrally arranged on the two sides of each arc-shaped inner plate. An iron core slot is formed in the arc-shaped outer frame, the arc-shaped outer frame is sleeved on the outer side of the stator iron core, and the stator iron core penetrates through the iron core slot; according to the utility model, the two sides of the plugging transverse plate are inserted into the limiting clamping grooves, and the insulating vertical plate is positioned between the two stator coils, so that short circuit between the two stator coils is prevented, and the insulating effect on the winding is further improved.

This utility model relates to the field of automotive radiator technology and discloses a quick-installation automotive radiator side panel, including a bracket assembly. A heat dissipation component is provided on one side of the bracket assembly, and telescopic components are symmetrically arranged on both sides of the bracket assembly. An adjustment component is provided inside the telescopic component, and a fixing component is installed on the top of the telescopic component. The bracket assembly and the fixing component facilitate the quick installation of the radiator on the side panel through the sliding groove on the U-shaped plate and the fixing beam, reducing the installation and fixing operations of the radiator and significantly shortening the installation time. The telescopic component and the adjustment component allow the side panel to be matched with different models of radiators by adjusting the position of the telescopic side panel and the fixing pin during radiator installation, avoiding the inability to install the radiator on the side panel due to different radiator models or sizes, thus improving the versatility and compatibility of the side panel.

The utility model discloses an insulation anti-falling type safety falling hook, comprising a clamping hook, one end of which is hook-shaped and the other end of which is fixedly provided with a connecting rod; the connecting rod is further sleeved with an abutting assembly, the abutting assembly is composed of a connecting piece and a clamping piece, the connecting rod is sleeved with the connecting piece, and the connecting piece is elastically connected with the connecting rod; one end of the clamping piece is combined and connected with the connecting piece, the inner side surface of the other end of the clamping piece is provided with an arc-shaped groove, and the arc-shaped groove is connected with a rod-shaped body of external electrical equipment; according to the utility model, the conventional integrated clamping plate is changed into a combined structure, and in the actual installation process, an operator can quickly select the clamping plate component matched with the rod-shaped body of the electrical equipment according to the actual diameter of the rod-shaped body of the electrical equipment for assembly, so that the clamping plate component can be quickly replaced according to the rod-shaped bodies with different diameters; according to the improved combined clamping plate, the installation time can be greatly shortened, and repeated debugging caused by mismatching of the clamping plates is reduced.

The utility model discloses a kind of safety warning devices for mine safety, including mounting seat, the top of mounting seat is rotatably connected with warning light by bearing, detachably mounted with protective cover in the outside of warning light in the top of mounting seat, and the top of protective cover is installed with dust cover, the central shaft end portion of warning light base is passed through mounting seat and is fixedly connected with mounting frame, speaker is detachably installed in mounting frame, the bottom of mounting seat is symmetrically fixedly connected with fixed rod, and the bottom of fixed rod is fixedly connected with support plate, the bottom center of support plate is fixedly installed with driving motor, and the central shaft end portion of driving motor is fixedly connected with mounting frame by passing through support plate, the utility model has the beneficial effects: the utility model can realize the double warning of vision and hearing, and rotation of warning light and speaker can be controlled in warning, the coverage range and propagation effect of sound warning are enhanced, and protective cover is installed conveniently and quickly, and it is convenient to disassemble and replace, improve the maintenance efficiency of device.

The utility model relates to the field of bicycle frames, and discloses a quick-release modularized magnesium alloy frame which comprises a main supporting rod and a first mounting sleeve, the outer wall of the main supporting rod is fixedly connected with a second mounting sleeve, and the outer wall of the second mounting sleeve is slidably connected with a first mounting ring. A connecting rod is fixedly connected to the outer wall of the inner ring of the first mounting ring, a quick fixing assembly is mounted at the bottom of the connecting rod, a first supporting rod is mounted in the second mounting sleeve, a groove is formed in the bottom of the first supporting rod, and a cup holder fixing assembly is mounted in the groove; a clamping groove is formed in one side of the first supporting rod. According to the utility model, the wedge-shaped block of the first mounting ring is matched with the sliding chute to realize quick positioning, and the rotary buckle design of the second mounting ring is combined, so that the mounting efficiency is improved; meanwhile, a cup holder mounting block is integrated at the bottom of the first supporting rod, so that the bicycle frame has the practical function of facilitating water drinking, and efficient assembly and riding convenience are both considered.