37results about How to "Quick change operation" patented technology

System and method for controlling an instrumented cable (30) towed in water, such as a marine seismic streamer and / or an instrumented towed cable array (streamer array), to which at least one instrumented cable (30), control devices (10, 20) are arranged to control the individual instrumented cables (30) both in shape and position in relation to other instrumented cables (30) and then counteract cross currents and / or other dynamic forces affecting a towed cable array behind a seismic survey vessel (50). The wings (12, 23) of the control devices (10, 20) are provided with acoustic transmitter / receiver means (14) and electronics for acoustic ranging, and the vessel (50) and one or more tail buoys (60) are provided with acoustic transmitter / receiver means (62) and electronics for acoustic ranging, and is provided with instrumentation for absolute position and velocity.

The invention relates to a diameter variable double high-pressure stir-spray pile and a diameter variable method thereof. The diameter variable double high-pressure stir-spray pile and a diameter variable method thereof are used for carrying out corresponding structural improvement on a drill bit and stirring blades of the drill bit, and the diameter variation of the drill bit is realized througha sleeve pipe and an elastic connecting rod structure so as to realize on-site adjustment of the radius of a formed pile without disassembling and replacing the drill bit. On the basis of improving the operation efficiency and shortening the adjustment of diameter variation, the stability of the drill bit and a drill pipe connection structure is ensured. The diameter variable double high-pressurestir-spray pile comprises a drill pipe and the drill bit connected to the end of the drill pipe; a high-pressure gas pipe and a high-pressure cement slurry pipe communicate with the inner parts of thedrill pipe and the drill bit; at least two layers of stirring blades are arranged on the periphery of the drill bit, and air outlet holes and / or slurry outlet holes are formed below each layer of stirring blades; the drill bit is provided with an outer sleeve pipe connected with the drill pipe, and an end head is connected to the end of the outer sleeve pipe; the stirring blades are provided withhinged connecting rods and diameter variable rods; and the ends of the diameter variable rods are fixedly connected with the outer sleeve pipe, and a vertical transmission mechanism inside the outersleeve pipe is movably connected to the ends of the connecting rods.

To execute a manual speed change to apply an engine brake in good response, and to ensure sufficient braking force in a drive unit having a continuously variable speed change unit and a geared speed change unit.For this purpose, a control system for a drive unit of a vehicle, in which a speed change mode can be selected from a first speed change mode wherein a total speed change ratio governed by the speed change ratio of the continuously variable speed change unit and the gear stage of the geared speed change unit is set on the basis of a running condition of a vehicle, and a second speed change mode wherein the total speed change ratio is set on the basis of a signal for applying a power source braking comprises: a gear stage limiting means for reducing number of gear stages of the geared speed change unit settable under the second speed change mode smaller than that under the first speed change mode; and wherein the total speed change ratio is set according to the gear stage of the geared speed change unit set by the gear stage limiting means, and to the speed change ratio of the continuously variable speed change unit, in case the second speed change mode is selected.

The invention discloses an optical fiber jumping fiber testing device. The optical fiber jumping testing device comprises a machine case, wherein a bending test clamping mechanism capable of rotating in the plane on which a front panel is arranged is arranged on the front panel of the machine case, and comprises a limit body, wherein an adapter installation component used for installing an adapter is arranged on the limit body detachably. The optical fiber jumping testing device can rapidly replace various optical fiber jumping fibers for testing, so that the testing efficiency is improved.

System and method for controlling an instrumented cable (30) towed in water, such as a marine seismic streamer and / or an instrumented towed cable array (streamer array), to which at least one instrumented cable (30), control devices (10, 20) are arranged to control the individual instrumented cables (30) both in shape and position in relation to other instrumented cables (30) and then counteract cross currents and / or other dynamic forces affecting a towed cable array behind a seismic survey vessel (50). The wings (12, 23) of the control devices (10, 20) are provided with acoustic transmitter / receiver means (14) and electronics for acoustic ranging, and the vessel (50) and one or more tail buoys (60) are provided with acoustic transmitter / receiver means (62) and electronics for acoustic ranging, and is provided with instrumentation for absolute position and velocity.

A control device (10, 5O, 100) for controlling the position of an instrumented cable towed in water, such as a marine seismic streamer, and / or a towed instrumented cable array (streamer) with the possibility to control the individual instrumented cables, both in shape and position, in relation to other instrumented cables and by that counteract cross currents and / or other dynamic forces which affect a towed array behind a seismic survey vessel. The control device (10, 50, 100) is adapted for plain and rapid mounting and demounting so that the streamer easily can be deployed and recovered, and in an easy way be reeled onto and out from a drum. The control device is further entirely or partly arranged for wireless / contactless transfer of energy and / or communication, i.e. signals / data, between a main body and wings. The control device, motor and drive gear housings (51) provided with wings (52) or wings (11, 102) house drive means (22), power supply (23), electronics and sensor means.

The invention belongs to the field of a volume pump, and particularly relates to a convenient-to-dismount diaphragm pump with the advantages that the monitoring can be realized in proper time, and a diaphragm leaf can be fast dismounted and replaced on line. The convenient-to-dismount diaphragm pump comprises a pump body and the diaphragm leaf, wherein liquid inlet and outlet holes and hydraulic holes are respectively formed in the pump wall of the pump body, a located pump cavity of the liquid inlet and outlet holes and a located pump cavity of the hydraulic holes are separated through the diaphragm leaf, the pump body also comprises a repair hole, the repair hole is sealed by an end cover, the appearance of the diaphragm leaf is of a sleeve-shaped structure, a pipe opening formed at one end of the diaphragm leaf is fixedly connected with the hole end surface of the hydraulic holes through screw bolts, a pipe opening formed in the other end of the diaphragm leaf extends towards the repair hole and is provided with an outer flange, the outer flange is arranged in a way of being matched with the surfaces between the hole ends, positioned at the outer wall parts of the the pump body, of the repair hole, and the end cover is pressed on the outer flange and is arranged in a way of being fixedly connected with screw bolts arranged between the pump walls of the pump body. The convenient-to-dismount diaphragm pump has the advantages that the monitoring and dismounting problems of the exiting conventional diaphragm pump can be effectively solved, the dismounting convenience and the maintenance replacement efficiency are high, and the work intensity of maintenance personnel can be greatly reduced.

The invention discloses a bracket structure for a plastic coiling block, which comprises a base and two n-shaped frame bodies with the same structure on the base; a transverse moving slot with an opened top face is arranged on the base, and n-shaped guide slots are arranged on the n-shaped frame bodies; a driving chain is arranged in the moving slot, and U-shaped buckle slots are evenly arranged on the driving chain; a vertical top pressing hole is arranged in the base, and a top pressing cylinder is fixed in the vertical top pressing hole; a U-shaped top pressing block is fixed at the top endof the top pressing cylinder, and a push cylinder is arranged on the side wall of the n-shaped frame body; a piston shaft of the push cylinder is stretched to a cross part of the n-shaped guide slot,the end part of the push cylinder is provided with a push pressing plate, and an arc export slot is arranged on the n-shaped frame body and connected to the outlet end of the n-shaped guide slot. Thebracket structure is reasonable in structure, strong in applicability and good in practicability; besides, the structure can effectively and rapidly complete the replacement operation and improve thereplacement processing efficiency.

The invention discloses a medicine administration device convenient to replace for anorectal nursing. The device comprises a connecting pipe and a medicine outlet cover fixed to a medicine feeding pipe, a first sealing ring is fixedly pasted to the end, close to the medicine administration pipe, of the connecting pipe, a second sealing ring is fixedly pasted to the end, close to the connecting pipe, of the medicine administration pipe, a net plate is fixedly installed in the medicine administration pipe, and a stop rod is fixedly installed on the net plate through a connecting rod. The medicine administration device has the advantages that the connecting pipe and the medicine administration pipe are easy and convenient to disassemble and assemble, separation operation can be completed onlyby exerting pushing force relative to the connecting pipe on the medicine administration pipe with hands, then rotating the medicine administration pipe and finally exerting pulling force away from the connecting pipe on the medicine administration pipe, and replacement operation can be conveniently and rapidly completed; by means of magnetic cooperation among the first magnetic rod, the third magnetic rod and the second magnetic rod, the mounting base can be conveniently and rapidly taken out of the medicine outlet cover as required, the mounting block is arranged in the first groove and cannot make direct contact with a patient, and only one rotating force needs to be applied to the mounting base with hands in the using process.

The invention discloses a walk device capable of crossing spacer rods on 220 kV horizontal double split conductors. The walk device comprises two sets of walk wheel assemblies. Each walk wheel assembly comprises a walk front wheel, a walk back wheel and a crossing wheel which can be changeable in positions mutually and are uniformly distributed on the same circumference surface, wherein the walk front wheel and the walk back wheel walk on a wire, and the crossing wheel is arranged above the wire; and when the walk front wheel meets a spacer rod, the crossing wheel crosses to the wire ahead of the spacer rod, and the walk back wheel is turned to the place above the wire to avoid the spacer rod. When not being hindered by the spacer rod, the walk device can walk on the wires quickly and stably through the walk wheels; when walking to the damaged spacer rod, the walk device can replace the spacer rod quickly; and when walking to the undamaged spacer rod, the walk device can walk over the spacer rod automatically and walks on.

The invention relates to the technical field of pneumatic control machinery, in particular to an energy-saving and noise-reducing air compressor which comprises an air storage tank, the air storage tank is horizontally arranged, and moving wheels are symmetrically arranged at the lower end of the air storage tank. Then air blown out by a blowing fan is sent to a refrigeration box on one side through an air supply pipe, efficient cooling operation is conducted on the driving motor, the aging speed of the driving motor is reduced, and therefore cost and using electric energy are saved, blowing air of a cooling motor is sent into an air inlet of an air inlet base through a conveying pipe and a transfer box, noise of the air inlet is reduced, and noise reduction is achieved. And under the suction action of the air inlet, air flow in the noise reduction box can be accelerated, a filter plate is arranged on one side of the noise reduction box, air fed into the noise reduction box through the air inlet is filtered in a unified mode, a brush plate is arranged on one side of a belt wheel, the filter plate can be cleaned in real time during use, and use convenience is improved.

The invention provides a liquid container. The liquid container comprises a cover body assembly and a bottle body, the cover body assembly is in sealing connection with the bottle body, wherein the cover body assembly is provided with a mist spray port, the mist spray port is in direct contact with an external environment, and is used for diffusing mist drops to the external environment, the bottle body and / or the cover body assembly is further provided with a positioning structure, the positioning structure is used for fixedly mounting the liquid container on a driving device of the liquid container during use. According to the liquid container, atomizing sheets are integrated in the cover body assembly to serve as a part of the liquid container, and then the situation of mutual contamination and interference of liquids in different containers due to sharing of the same ultrasonic atomizing portion is avoided.

The invention relates to the technical field of nuclear fuel aftertreatment and particularly discloses a device for measuring americium and cesium in aftertreatment feed liquid. A NaI detector is arranged in an area defined by central holes of a lead sheath A, a lead sheath B and a lead sheath D, and a connecting line of the NaI detector penetrates out of a slot in the lead sheath B to be connected with a multi-channel spectrometer; the multi-channel spectrometer is connected with a computer through a data line; and gamma ray signals are converted into electric signals by the NaI detector, theelectric signals are screened by the multi-channel spectrometer and then transmitted into the computer, and automatic sample measuring is realized. The device can effectively shield interference of environmental gamma rays in a measuring system, the multi-channel spectrometer is utilized, thus the gamma radioactivity concentrations of cesium-137 and americium-241 can be measured simultaneously, and the measuring result is directly read by software.

The embodiment of the invention discloses an environment-friendly diesel generator set, relates to the technical field of power generation equipment, and mainly solves the problem that a purification assembly in a black smoke purification device of an existing diesel power generation device is not easy to replace and maintain. The diesel generating set comprises a heat energy recovery assembly, a cooling assembly and a smoke dust absorption assembly, wherein the cooling assembly comprises a lifting auxiliary mechanism, and the lifting auxiliary mechanism further comprises a power assembly. During use, black flue gas generated by the generator set is guided into a waste gas pipeline, most of heat energy in the flue gas is recycled through the heat energy recovery assembly, then the flue gas is fed into the cooling assembly for further cooling treatment, cooling operation on the flue gas is achieved through multiple cooling measures in the cooling assembly, and then the smoke is purified through the smoke dust absorption assembly, and the working environment of the diesel engine set is guaranteed.

The embodiment of the invention discloses an environment-friendly diesel generator set, which relates to the technical field of power generation equipment and mainly solves the problem that the purification components in the black smoke purification device of the existing diesel power generation device are not easy to be replaced and maintained; the diesel generator set includes thermal energy A recovery component, a cooling component and a smoke and dust absorbing component, the cooling component includes a lifting auxiliary mechanism, and the lifting auxiliary mechanism also includes a power component; when in use, the black smoke generated by the generator set is introduced into the exhaust pipe, and the heat energy recovery component is used first. Most of the heat energy in the flue gas is recovered, and then the flue gas is sent to the cooling component for further cooling treatment. The gas is purified to ensure the working environment of the diesel unit.

The invention discloses an optical fiber jumper testing device, which includes a chassis, the front panel of the chassis is provided with a bending test clamping mechanism that can rotate in the plane where the front panel is located, and the bending test clamping mechanism includes a limit The position body is detachably provided with an adapter installation assembly for installing the adapter. The optical fiber jumper testing device can quickly replace different types of optical fiber jumpers for testing, thereby improving test efficiency.

The invention belongs to the field of a volume pump, and particularly relates to a convenient-to-dismount diaphragm pump with the advantages that the monitoring can be realized in proper time, and a diaphragm leaf can be fast dismounted and replaced on line. The convenient-to-dismount diaphragm pump comprises a pump body and the diaphragm leaf, wherein liquid inlet and outlet holes and hydraulic holes are respectively formed in the pump wall of the pump body, a located pump cavity of the liquid inlet and outlet holes and a located pump cavity of the hydraulic holes are separated through the diaphragm leaf, the pump body also comprises a repair hole, the repair hole is sealed by an end cover, the appearance of the diaphragm leaf is of a sleeve-shaped structure, a pipe opening formed at one end of the diaphragm leaf is fixedly connected with the hole end surface of the hydraulic holes through screw bolts, a pipe opening formed in the other end of the diaphragm leaf extends towards the repair hole and is provided with an outer flange, the outer flange is arranged in a way of being matched with the surfaces between the hole ends, positioned at the outer wall parts of the the pump body, of the repair hole, and the end cover is pressed on the outer flange and is arranged in a way of being fixedly connected with screw bolts arranged between the pump walls of the pump body. The convenient-to-dismount diaphragm pump has the advantages that the monitoring and dismounting problems of the exiting conventional diaphragm pump can be effectively solved, the dismounting convenience and the maintenance replacement efficiency are high, and the work intensity of maintenance personnel can be greatly reduced.

The invention relates to the technical field of plastic polymerization instruments, and discloses a plastic polymerization instrument with a supporting mechanism and a use method of the plastic polymerization instrument. According to the plastic polymerization instrument with the supporting mechanism and the use method of the plastic polymerization instrument, the plastic polymerization instrument comprises the supporting mechanism and a clamping mechanism; the clamping mechanism is located on the upper side of the supporting mechanism; the supporting mechanism comprises a nursing block; adjusting grooves are evenly formed in the bottom of the nursing block; and adjusting tubes are arranged in inner cavities of the adjusting grooves. According to the scheme, the nursing block, the adjusting tubes, first springs and other devices are arranged to be matched, so that the devices can conveniently adjust the distances from probes to a part needing to be improved, the irradiation intensity can be controlled, and the devices can be tightly attached to an uneven part to make the uneven part uniformly irradiated; and through cooperation of devices such as a nursing grip, a clamping rod and a second spring, the devices can be conveniently disassembled and replaced by workers, later maintenance is facilitated, and the working effect is effectively improved.

The invention discloses an intermediate temporary rearing device for a genetic breeding family of mudflat shellfish. An offspring seed pond comprises a living area with a circular groove, an inhabiting area being a beach and an isolation belt, and the beach is provided with a plurality of net cages; and the intermediate temporary rearing device is characterized in that each net cage comprises an annular base plate, a support rod in threaded connection with the annular base plate and a clamping groove formed in the annular base plate, and further comprises screen cloth with a horizontal zipper arranged on the side face, so that an operator can open the mesh cage conveniently to detect and check internal offspring seeds. Compared with the prior art, the rearing device has the advantages that the annular base plates and the screen cloth are arranged in a separable manner, when screen meshes are replaced periodically, the screen meshes can be replaced very conveniently and seamlessly, the height of the screen cloth can be adjusted at will through the arrangement of the support rods, rapid replacement operation during batch breeding is facilitated, and zipper openings which are horizontally opened are formed in the side of the rearing device, so that an operator can conveniently check and maintain the interior; and the device is simple in structure, reasonable and practical in design, and very suitable for being applied to breeding production of the artificial offspring seeds.

The invention relates to the technical field of industrial warm air motors, in particular to an energy-saving high-efficiency single-phase shaded pole asynchronous motor for industrial warm air, which comprises a stabilizing box and a mounting pad, four corners of the inner wall of the stabilizing box are fixedly connected with first damping springs, and the interior of the stabilizing box is movably connected with a damping seat through the first damping springs. A mounting bottom frame is fixedly connected to the surface of the damping seat, a U-shaped groove is formed in the surface of the mounting bottom frame, and a protective rubber mat is arranged on the surface of the U-shaped groove. Through the arrangement of the stabilizing box, the mounting bottom frame, the U-shaped groove, the protective rubber mat, the mounting top frame, the connecting plate, the inserting plate, the soaking plate, the elastic plate belt, the exhaust fan and the filter screen, the asynchronous motor body can be quickly clamped and fixed, meanwhile, the asynchronous motor body can be conveniently detached, replaced and used, and in the actual using process, the asynchronous motor body is prevented from being damaged. A worker firstly stably connects one end of an asynchronous motor body needing to be used with a connecting seat and a driving rod.

The invention discloses a walk device capable of crossing spacer rods on 220 kV horizontal double split conductors. The walk device comprises two sets of walk wheel assemblies. Each walk wheel assembly comprises a walk front wheel, a walk back wheel and a crossing wheel which can be changeable in positions mutually and are uniformly distributed on the same circumference surface, wherein the walk front wheel and the walk back wheel walk on a wire, and the crossing wheel is arranged above the wire; and when the walk front wheel meets a spacer rod, the crossing wheel crosses to the wire ahead of the spacer rod, and the walk back wheel is turned to the place above the wire to avoid the spacer rod. When not being hindered by the spacer rod, the walk device can walk on the wires quickly and stably through the walk wheels; when walking to the damaged spacer rod, the walk device can replace the spacer rod quickly; and when walking to the undamaged spacer rod, the walk device can walk over the spacer rod automatically and walks on.

The invention provides an optical thin film backlight composition structure, and relates to the technical field of optical thin films, the optical thin film backlight composition structure comprises a base, a combination groove is formed in the base, a back plate is integrally arranged at the bottom of the combination groove, an optical thin film group is arranged on the upper surface of the back plate through a first adhesive tape ring, and an LED mounting seat is fixedly mounted on one side of the upper surface of the back plate; according to the backlight module, the optical thin film set is arranged, so that diffusion of currently-emitted light can be achieved in cooperation with an LED lamp, the basic backlight light emitting function is achieved, and in order to make the light emitting effect better, through cooperation between the module and the base, the light emitting efficiency is improved; the problem that in the prior art, when an existing backlight module is used, the light source intensity on the periphery of the existing backlight module is weak is solved, the problem that the light source intensity difference on one plane is large is avoided, and a user can better display a current display picture when using the backlight module in the later period.

The invention discloses a processing die of a USB data line terminal, which comprises a die upper body and a die lower body matched with the die upper body, wherein a bearing plate is fixed on the upper surface of the die upper body; a glue injection hole is formed in the die upper body; a glue injection gasket is arranged at an opening at the lower end of the glue injection hole; an upper pressing plate is clamped on the lower surface of the die upper body; punching grooves are formed in the upper surface of the lower pressing plate at equal intervals; a contact plate and a material pushing rod matched with the contact plate are arranged at the center of the inner surface of the punching groove; a transmission rod is fixed on the lower surface of the material pushing rod; a spring tube isclamped at the center of the transmission rod; and a pressure sensor is arranged inside the transmission rod. According to the invention, the whole die adopts a spliced detachable structural design,so that the independent parts can be quickly replaced, the operation flexibility of the die is also improved to the maximum degree under the condition of ensuring the safety use of the die, and the die has higher practicability.

The invention provides a door valve device which can still replace a sealing component without providing a handling room to atmosphere. A door valve device (12) which is installed between a handling opening of a treatment chamber (4), and a handling room (6) in open-close and vacuum states comprises a valve body (44) which can be assembled through opening-closing the handling opening; a sealing component (66) which can be installed on the surface of the valve body in a assembly and disassembly way and is hermetically contacted with the assembly surfaces around the handling opening; a sealing component (68) used for maintenance and encircled on the periphery of the sealing component through the regulated interval to the sealing component; an opening (72) used for maintenance; an opening-closing cover (74) used for detachably and hermetically blocking the outer side of the opening used for maintenance and used for maintenance; a valve body driving mechanism (46) which is installed in order to ensure the valve body to be moved between the handling opening and the opening used for maintenance, wherein when the valve body is assembled, and in the state that the sealing component is exposed, the opening (72) used for maintenance becomes the size that the sealing component used for maintenance can be hermetically sealed.

The invention discloses a hyperbolic corrugated sandwich protection structure applied to a plane pavement for arrest. The hyperbolic corrugated sandwich protection structure comprises an upper-layer panel, a corrugated core layer and a lower-layer panel. Different from a traditional sandwich structure, the hyperbolic corrugated sandwich protection structure is characterized in that the sandwich layer is of a hyperbolic corrugated structure, an orthorhombic sinusoidal corrugated appearance is shown in the transverse and longitudinal direction of the structure, and hyperbolic corrugated sandwich boards in different geometrical shapes are structured through adjusting the amplitude, the period and the number of stacking layers of the hyperbolic corrugated sandwich layer. The invention provides an anti-impact energy absorption structure capable of being laid at the tail end of an airport pavement. When a plane accidentally rushes out of the pavement, the hyperbolic corrugated sandwich board is rolled by airplane wheels to be subjected to plastic deformation to absorb the impact energy of the plane, so that the plane can be quickly and steadily decelerated, and accordingly, the safety of passengers is protected.

The invention discloses double-ridge rail type tea garden management and harvesting equipment, and relates to the field of tea garden management. The double-ridge rail type tea garden management and harvesting equipment comprises a cage frame and a functional machine body, the cage frame comprises an arc-shaped frame and a rectangular frame body, a fixing plate is fixedly connected to the upper surface of the rectangular frame body, a nut sleeve is fixedly connected to the center of the fixing plate, and a lead screw is in threaded connection with the axis of the nut sleeve; and a lifting plate is rotatably connected to the bottom of the lead screw, four sets of limiting sliding rods are fixedly connected to the four corners of the top of the lifting plate, multiple sets of supporting blocks are fixedly connected to the two sides of the cage frame, limiting sleeves are fixedly connected to the tops of the supporting blocks, and two sets of clamping bases are fixedly connected to the bottom of the lifting plate. According to the double-ridge rail type tea garden management and harvesting equipment, the functional machine body can be rapidly installed at the bottom of the lifting plate, and after the functional machine body is installed, the height of the functional machine body can be conveniently and finely adjusted.

The invention relates to the technical field of 5G switches, and discloses a 5G switch and a switch unit, the 5G switch comprises a mounting seat, the top of the mounting seat is provided with a sliding groove, a sliding seat is sleeved in the sliding groove, and the top of the sliding seat is fixedly connected with a back plate. When data between the 5G switch unit and the 5G switch is connected, the embedded plate is pulled outwards, the embedded plate is separated from the interior of the mounting groove, the sliding frame slides on the fixing block fixed to the back plate, and when the sliding frame moves out of the mounting groove, the connecting line can be displayed. The data line wiring terminals can be uniformly arranged in the embedded plate, so that the safety of the data lines can be ensured, the data lines with various functions can be distinguished and marked, when equipment problems occur, the equipment problems can be quickly confirmed and replaced, and the independent arrangement has the advantages of avoiding thermal interference and moisture interference, and improving the safety of the equipment. And the device can be arranged in a proper environment.

The invention discloses a lithium titanate battery assembly structure, specifically relates to the field of battery assembly technology, comprising an external protective frame plate, an insulating groove is opened on one side of the external protective frame plate, and a battery negative electrode connecting column is arranged inside the insulating groove , three vertically stacked battery explosion-proof frames are installed at one end of the battery negative connection column, safety mechanisms are provided on both sides of the battery explosion-proof frame; the safety mechanism includes a side flame-retardant plate arranged on one side of the battery explosion-proof frame, the A cross positioning groove block is installed at one end of the side flame retardant plate. The invention adopts a safety mechanism to enable the pressure sensor to monitor the flatulence degree of the lithium battery inside the battery explosion-proof frame, and carry out early warning in real time, which can remind personnel of problems such as abnormality of the lithium battery, avoid the explosion problem caused by the flatulence of the lithium battery, improve the internal strength, and avoid easy to cause Explosion and other problems have effectively improved the safety of lithium batteries during use.