51results about How to "Play the role of insurance" patented technology

The invention relates to a large-scale energy-efficient high-efficiency cone crusher, which comprises a rack, an upper lining plate, a lower lining plate, an electromotor, a transmission device, a crushing cone mechanism and a crushing cavity control mechanism, and is characterized in that the crushing cavity control mechanism consists of a feed hopper, a supporting sleeve, an adjusting sleeve, an outer gear ring, a push cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the rack, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, and the push cylinder and the outer gear ring are matched; lifting ends of the 4 jacks are all supported against the bottom surface of a flange ring of the supporting sleeve; the crushing cone mechanism consists of an eccentric sleeve, a cone gear, an eccentric shaft, a crushing cone, a bowl-shaped bearing and a bowl-shaped bearing sealing ring. According to the large-scale energy-efficient high-efficiency cone crusher, the size of a crushing cavity and the size of a throat can be adjusted, and the cavity cleaning operation is convenient.

The invention relates to a crushing cavity control mechanism for a cone crusher. The crushing cavity control mechanism comprises a feed hopper, an upper lining plate and a main rack, and is structurally characterized by further comprising a supporting sleeve, an adjusting sleeve, an external gear ring, a pushing cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the main rack, the locking ring is movably connected to the supporting sleeve, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, hydraulic cylinder bodies in the 8 hydraulic cylinders are all fixedly arranged on the main rack, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, the pushing cylinder is arranged on the supporting sleeve, the 4 jacks are all arranged on the main rack, and lifting ends of the 4 jacks are all supported against the supporting sleeve. According to the crushing cavity control mechanism, the size of a crushing cavity can be conveniently and efficiently adjusted; the size of a throat can be controlled; equipment can be effectively protected from being damaged when uncrushable objects enter the crushing cavity.

The invention provides a tubular lever pressurized climbing rope device comprising a rope tube main body, a rope pressing plate, a left pedal and a right pedal which are provided with pedal clutches, and a main pressing device which is connected with the right pedal; a rope guide hole in the vertical direction is installed in the rope tube main body; a first opening is installed in the middle of a right side wall of the rope tube main body; an end of the rope pressing plate installed inside the first opening is hinged to the rope tube main body; the rope pressing plate swings in the first opening; the main pressing device tightly presses the rope pressing plate; the rope is tightly locked. By means of the lever principle, the locking force is enlarged by the rope pressing plate so that the climbing rope device is safe and reliable to use.

The invention relates to a novel carrying device for oil exploration. The novel carrying device comprises a transmission rod, a connecting rod, an angle adjusting box and two lock rings. The two lock rings are both in transmission connection with the angle adjusting box. According to the novel carrying device for oil exploration, a worker can remotely monitor the carrying device through a wireless communication module, and therefore intelligence of the device is improved. Two drive motors are used for driving a worm at the same time, two transmission worm wheels are controlled to reversely rotate, and clamping of the two lock rings is achieved. Meanwhile, by means of rotation of cams, the transmission worm wheels are driven to rotate, and high-precision adjustment of the transmission worm wheels is achieved. Meanwhile, the cams play a safety role, and therefore the clamping reliability of the two lock rings is guaranteed. Furthermore, in a timing circuit, when a monostabillity timer composed of an integrated circuit does not work, only the quiescent current 1-2uA of a first NAND gate, a second NAND gate and a triode exists, and therefore the power consumption of the circuit is greatly reduced, and the practicability of the device is improved.

The invention relates to an anastomat, which comprises a body, a pin bin which is arranged on the body, a cutting knife which is arranged inside the pin bin, and a connecting rod which is arranged on the body and used for pushing the cutting knife to move, wherein a cutting wrench is rotationally connected to the body; a pushing block is arranged on the cutting wrench; a groove is arranged on a connecting rod; and the pushing block is matched with the groove and is at least provided with two operating states, wherein the pushing block is disengaged from the groove in the first operating state, and is positioned inside the groove and leans against the side wall of the groove in the second operating state. Due to adoption of the cutting wrench to operate the cutting knife, large force moment can be exerted on the cutting wrench only with small force, so that the cutting wrench can provide large thrust force to the connecting rod and then push the cutting knife to cut, thereby the cutting operation is more labor-saving; during the cutting process, people only need to rotate the cutting wrench to a certain angle, so that the operation is more convenient; and when the cutting process is not over, the cutting knife can not be operated for cutting even when the cutting wrench is pulled, so that the anastomat has safety function.

The invention relates to a crushing cavity control mechanism for a cone crusher. The crushing cavity control mechanism comprises a feed hopper, an upper lining plate and a main rack, and is structurally characterized by further comprising a supporting sleeve, an adjusting sleeve, an external gear ring, a pushing cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the main rack, the locking ring is movably connected to the supporting sleeve, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, hydraulic cylinder bodies in the 8 hydraulic cylinders are all fixedly arranged on the main rack, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, the pushing cylinder is arranged on the supporting sleeve, the 4 jacks are all arranged on the main rack, and lifting ends of the 4 jacks are all supported against the supporting sleeve. According to the crushing cavity control mechanism, the size of a crushing cavity can be conveniently and efficiently adjusted; the size of a throat can be controlled; equipment can be effectively protected from being damaged when uncrushable objects enter the crushing cavity.

The invention discloses an explosive tear bomb, which comprises a bomb case and a bomb core, wherein the upper end of the bomb case is open, and the lower end of the bomb case is closed through an end cover; the end cover is provided with a through hole I; a detonating cap is arranged in the through hole I; a base is of a hollow structure, and a thin film is arranged in the base; a hollow part between the thin film and the lower end of the bomb core forms a cavity I; a hollow part between the thin film and the end cover forms a cavity II; propellant powder is filled in the cavity II; the upper end of the bomb case is provided with a cap liner; the inner side face of the cap liner is provided with a firing pin; the bomb core comprises a bomb core body and an explosive tube; the explosive tube is arranged in the bomb core body; the upper end of the bomb core body is provided with a bomb core cover; the bomb core cover is provided with a through hole II; a firing pin hitting delay ignition tube is arranged in the through hole II; a tear agent is filled between the explosive tube and the bomb core body; and the bomb core body is provided with a plurality of through holes III for the tear agent to spill out. According to the explosive tear bomb disclosed by the invention, the risk that bore premature occurs due to the fact that the delay ignition tube is directly ignited by the detonating cap when the propellant powder loses efficacy or is neglected in loading is eliminated.

The invention provides an anti-theft lock cylinder. The anti-theft lock cylinder comprises an inner lock cylinder and an outer lock cylinder, wherein marble holes are formed in the inner lock cylinder, marbles are arranged in the marble holes and are matched with the outer lock core through springs, a cylindrical footstep is formed on the inner lock cylinder, and a ring sleeve is sleeved on the cylindrical footstep; marble holes are formed in the cylindrical footstep, marble holes matched with the ring sleeve are formed in the ring sleeve, and marbles are arranged in the marble holes and are contacted with the outer lock cylinder through springs in a matched mode; blind holes are formed on the two sides of the marble holes in the cylindrical footstep at the angle of + / -35 to 40 degrees through the transition of arcs; a conical dent is formed on the ring sleeve, and a conical marble is arranged on the conical dent and is contacted with the outer lock cylinder through a spring in a matched mode; the elasticity of the springs on the ring sleeve is 3 to 5 times that of other springs on the lock cylinders; and the elasticity of the spring on the conical marble is 8 to 10 times that of other springs on the lock cylinders. The anti-theft lock cylinder has the characteristics of traps and a tripping device on the inner lock cylinder, so that an insurance effect can be achieved, and the aim of burglary prevention can be fulfilled.

The invention discloses a bar milling cutter. A convex cutter is included; a cutter groove is formed in the inner wall of the convex cutter; the outer wall of the cutter groove is connected with the inner wall of the convex cutter; a flat cutter is arranged on the outer side of the cutter groove; a material guiding groove is formed in the outer wall of the flat cutter; the outer wall of the material guiding groove is connected with the inner wall of the flat cutter; and a cutter body is arranged on the inner wall of the material guiding groove. According to the bar milling cutter, due to cooperation among the convex cutter, the cutter groove, the flat cutter and the material guiding groove, under the effects of an impeller, a notch and a hole channel of a machined workpiece are machined bythe convex cutter, and cut down fragments can be brought out by the cutter groove during cutter retracting; in order to prevent tripping of a cutter handle in a high-speed rotating state, a clampingarm is pressed downwards to fix a sleeve, and therefore the defects that a tool bit of a traditional bar milling cutter cannot be fast replaced, and tool bit connection is not stable can be overcome,the machining steps are simplified, the overhauling and replacing time is saved for an operator, the work difficulty is reduced for the operator, the work fatigue of the operator is overcome, and thebar milling cutter is applicable to application and popularization.

The invention discloses a polycarboxylic acid water reducer and a preparation method. The water reducer is good in anti-mud adaptability, and low in mixing amount. The polycarboxylic acid water reducer and the preparation method are achieved through the following technical scheme: the polycarboxylic acid water reducer is prepared from the following raw materials in parts by weight: 330-370 parts of methylallyl alcohol polyoxyethylene ether, 10-30 parts of acrylic acid, 15-30 parts of hydroxyethyl acrylate, 3-10 parts of citric acid, 1-5 parts of tartaric acid, 2-3 parts of mercapto-1-propanol,5-10 parts of sodium methallyl sulfonate, 3-5 parts of ammonium persulfate, 1-5 parts of potassium dichromate, 0.5-1 part of polyacrylamide, 1-4 parts of potassium persulfate, and appropriate amountsof sodium hydroxide and deionized water. The water reducer has efficient particle dispersing performance and retention capability, and is low in cost, high in concrete adaptability, good in anti-mudproperty, good in concrete workability, good in slump retaining performance, and stable in quality.

The invention discloses a sorting conveying device with an intelligent weighing function. The sorting conveying devices sliding wheels, a rack, bolts, a fixed base, a feeding inlet, transmission wheels, rolling shafts, a control box, a circuit switch, through holes, a motor, a supporting frame, a screen net conveying belt, a material receiving trough, a handle, a weighing table, display screens, aweighing sensor, a data processing device, a display device, a storage device and a motor reducer. Tachycardia. The sorting conveying device has the beneficial effects that the sliding wheels are arranged at the periphery of the bottom of the frame and each arranged to be of a slidable structure, the sorting conveying device is conveniently moved to the suitable position through the four slidingwheels mounted on the rack of the sorting conveying device, thus the flexibility of the device is enhanced, the physical strength of workers is saved, and the device can adapt to various working environments advantageously; and the screen net conveying belt is arranged at the tops of the transmission wheels, the material receiving trough is arranged at the bottom of the screen net conveying belt,thus objects can fall into the material receiving trough from a screen net of the screen net conveying belt according to the sizes of the objects, and the sorting effect of the device is achieved conveniently.

The invention relates to a large-scale energy-efficient high-efficiency cone crusher, which comprises a rack, an upper lining plate, a lower lining plate, an electromotor, a transmission device, a crushing cone mechanism and a crushing cavity control mechanism, and is characterized in that the crushing cavity control mechanism consists of a feed hopper, a supporting sleeve, an adjusting sleeve, an outer gear ring, a push cylinder, a locking ring, 16 locking cylinders, 8 hydraulic cylinders and 4 jacks, wherein the supporting sleeve is movably connected to the rack, the adjusting sleeve is in threaded connection into the locking ring and the supporting sleeve, the 16 locking cylinders are all arranged on the supporting sleeve, the feed hopper is fixedly arranged on the adjusting sleeve, the outer gear ring is fixedly arranged on the feed hopper, and the push cylinder and the outer gear ring are matched; lifting ends of the 4 jacks are all supported against the bottom surface of a flange ring of the supporting sleeve; the crushing cone mechanism consists of an eccentric sleeve, a cone gear, an eccentric shaft, a crushing cone, a bowl-shaped bearing and a bowl-shaped bearing sealing ring. According to the large-scale energy-efficient high-efficiency cone crusher, the size of a crushing cavity and the size of a throat can be adjusted, and the cavity cleaning operation is convenient.

The invention provides a rocker eccentric wheel climbing rope device comprising a rope tube mounting rack, wherein one side of the rope tube is provided with a climbing rope device rope tube and a support arm; the middle of the climbing rope device rope tube is provided with a rope guiding hole in the vertical direction; the rope passes through the rope guiding hole; the external side of the clamping rope device rope tube is provided with a first opening communicating with the rope guiding hole; the first opening is provided with a rope pressing plate; the upper of the rope pressing plate is hinged to the clamping rope device rope tube; the rope pressing plate swings inside the first opening; the external side of the rope pressing plate protrudes from the clamping rope device rope rube; a first operation level is installed in the horizontal direction on a support arm installed under the rope tube mounting rack; the first operation level rotates in a support arm through hole; the first operation level is provided with a positioning pin and an eccentric wheel; an arc surface of the eccentric wheel is abutted on the lower side of the external wall of the rope pressing plate; when the first operation level is rotated, an outer force is applied on the lower side of the rope pressing plate by the eccentric wheel and the rope is tightly compressed by the rope pressing plate. The climbing rope device having simple structure is convenient to operate and is safe and reliable.

The invention provides a pipe type foot-controlled climbing device which comprises a rope pipe main body, a movable pedal and a static pedal. The middle of the rope pipe main body is provided with a rope guide hole, the rope pipe main body is internally provided with a rotating space, the rope guide hole penetrates the rotating space, a locking sleeve is accommodated in the rotating space and provided with an axial rope penetration hole, locking sleeve rotating shafts are oppositely arranged on the side wall of the locking sleeve, the opposite side walls of the rope pipe main body without the movable pedal and the static pedal are respectively provided with rotating shaft holes corresponding to the locking sleeve rotating shafts, the locking sleeve rotating shafts are in clearance fit with the rotating shaft holes, and the locking sleeve rotating shafts penetrate the side walls of the rope pipe main body respectively and then are fixedly connected with a rotating device used for rotating the locking sleeve. The movable pedal is connected with the rotating device and fixedly connected with a foot ring or a binding band. The static pedal is fixedly connected with the lower portion of the side wall of the rope pipe main body, and the static pedal is fixedly connected with a foot ring or a binding band. The pipe type foot-controlled climbing device is safe, reliable and also very attractive and elegant in appearance.

The invention discloses a flame-retardant waterproof sound-absorbing plate manufacturing and processing process, and relates to the field of mechanical manufacturing and processing. The flame-retardant waterproof sound-absorbing plate manufacturing and processing process comprises a bottom plate, a conveying device, a processing device and a turnover device, wherein the conveying device is fixedlymounted on the bottom plate; the position, close to the middle part, of the conveying device is fixedly equipped with the processing device; and the turnover device is arranged below the processing device. The flame-retardant waterproof sound-absorbing plate manufacturing and processing process can effectively solve a slot line bending phenomenon when existing equipment forms slots, and also canguarantee consistent slotting depth, so that a processing qualification rate is further increased; and through efficient treatment of the turnover device, the yield can be greatly increased, so that production efficiency of the products is improved.

The invention discloses a pipeline internal welding machine, relates to the technical field of pipeline internal welding machine structure, and is mainly used to solve the problem that the existing internal welding machine cannot meet the requirement of smooth running of large-slope pipelines and has poor bending ability. Its main structure is: including a braking module, an internal welding machine energy module, a driving module and a welding machine module connected sequentially through a flexible connection mechanism; the braking module is connected with a camera module, and the welding machine module is connected with a control delivery module. module; the braking module and the driving module are provided with a self-centering mechanism, and the welding module is provided with an attitude adjustment mechanism. The invention provides a pipeline internal welding machine, which can adapt to the size of the internal diameter of the pipeline, so that the internal welding machine can run smoothly in the pipeline, and at the same time, it also has good bending ability.

The invention provides a hand-controlled rope climbing device tied and worn on the chest. The hand-controlled rope climbing device comprises a safety belt installation frame and a rope climbing device rope pipe arranged on one side of a rope pipe installation rack, a rope guide hole is formed in the middle of the rope climbing device rope pipe, a rope penetrates through the rope guide hole, a first opening is formed in the outer side of the rope climbing device rope pipe, a rope pressing plate hinged to the upper portion of the rope climbing device rope pipe is arranged in the first opening, the rope pressing plate swings in the first opening, a rectangular block protruding outwards and corresponding to the rope pressing plate is arranged on the outer side of the rope climbing device rope pipe, a first threaded through hole is formed in the middle of the rectangular block, a locking screw is screwed into the first threaded through hole and then abuts against the rope pressing plate, and a control wheel disc similar to a steering wheel is installed at the other end of the locking screw. The hand-controlled rope climbing device is convenient to operate and simple in structure, the control wheel disc is used for controlling the locking screw to apply action force to the rope pressing plate, and then the rope is tightly pressed or loosened; by means of the locking mode, operation is easier, and locking is more reliable.

The invention relates to the field of fruit picking tools, in particular to a durian picking tool capable of conveniently receiving durians. The durian picking tool comprises a vehicle body, an extension structure, mounting structures, buffer structures, a material receiving structure and a limiting structure; the extension structure is installed at one end of the vehicle body, so that the material receiving area can be adjusted according to the actual use condition, the tool can be applied to different material receiving environments, and the device applicability is improved; the mounting structures are arranged in a matched manner, so that a material receiving assembly can be conveniently installed and detached, mounting during using and demounting and storage when not used are conveniently carried out, and space occupation during storage is reduced; one buffer structure is arranged at one end of each of the two mounting structures, so that the sufficient buffer effect can be achieved when the durians fall down to be received, and the situation that the material receiving assembly is smashed due to the gravity effect in the durian discharging process can be avoided; and in addition, when the buffer assemblies recover, the slow recovery effect can be achieved, and therefore the situation that the durians rebound and fall off can be effectively avoided.

The invention relates to the field of fruit picking tools, in particular to a durian picking tool capable of being conveniently fixed on ground and receiving durians. The durian picking tool comprises a vehicle body, an extension structure, two mounting structures, two buffer structures, a receiving structure, two limiting structures and two fixing structures; the extension structure is arranged at one end of the vehicle body, a material receiving area can be adjusted according to actual use, and therefore the durian picking tool can be applied to different material receiving environments and has improved applicability. Besides, the mounting structures are cooperated, a receiving assembly can be conveniently assembled and disassembled, thus assembly during use and disassembly and storarge during non-use are facilitated, and a space occupation is reduced during the storage. One buffer structure is arranged at one end of each mounting structure. The buffer structures can play a sufficient buffer effect when durians fall down and are received, avoid a situation that a receiving assembly is smashed due to a gravity effect in a durian falling process, and can play a slow recovery effect when buffer assemblies recover.

The invention discloses an anorectal anastomat with an adjustable handle angle, and the anorectal anastomat comprises an anorectal anastomat body, an auxiliary rotating mechanism, a safety catch and a friction block; the anorectal anastomat body is connected between clamping rods in a clamped mode, the auxiliary rotating mechanism is arranged on the front side and the rear side of an arc-shaped bracket, and the top of the safety catch is rotatably connected into a first groove; the first groove is formed in the lower end face of the anorectal anastomat body, the bottom of the safety catch is connected to the protruding block in a clamped mode, the protruding block is fixed to the inner side of the movable handle, the movable handle is rotatably connected to the lower side of the anorectal anastomat body, the movable handle is located on the right side of the arc-shaped handle, and a cylindrical handle is arranged on the right side of the safety catch; and the cylindrical handle is fixed on the outer side of the anorectal anastomat main body. According to the anorectal anastomat with the adjustable handle angle, the arc-shaped handle can be manually pulled before the anorectal anastomat is used, at the moment, the connecting frame and the arc-shaped handle integrally rotate, and the angle of the arc-shaped handle can be conveniently adjusted according to personal habits.

The invention relates to a novel carrying device for oil exploration. The novel carrying device comprises a transmission rod, a connecting rod, an angle adjusting box and two lock rings. The two lock rings are both in transmission connection with the angle adjusting box. According to the novel carrying device for oil exploration, a worker can remotely monitor the carrying device through a wireless communication module, and therefore intelligence of the device is improved. Two drive motors are used for driving a worm at the same time, two transmission worm wheels are controlled to reversely rotate, and clamping of the two lock rings is achieved. Meanwhile, by means of rotation of cams, the transmission worm wheels are driven to rotate, and high-precision adjustment of the transmission worm wheels is achieved. Meanwhile, the cams play a safety role, and therefore the clamping reliability of the two lock rings is guaranteed. Furthermore, in a timing circuit, when a monostabillity timer composed of an integrated circuit does not work, only the quiescent current 1-2uA of a first NAND gate, a second NAND gate and a triode exists, and therefore the power consumption of the circuit is greatly reduced, and the practicability of the device is improved.

The invention discloses a six-degree-of-freedom numerical control centering installation device, which includes a mobile lifting platform and a sliding platform component. At least three pulley lifting assemblies are installed on the bottom surface of the mobile lifting platform; the sliding platform component includes a sliding platform assembly, a first rotary The drive assembly, the first linear drive assembly, the second linear drive assembly, the second rotary drive assembly, the slide table assembly has a workpiece tooling part, and the workpiece tooling part has a first rotation axis extending up and down, extending left and right or front and rear The extended second rotary axis, the first rotary drive assembly is used to make the workpiece tooling part rotate around the first rotary axis, the first linear drive component makes the workpiece tooling part move in the left and right direction, and the second linear drive component makes the workpiece tooling The part moves in the front-back direction, and the second rotary drive assembly rotates the workpiece tooling part around the second rotary axis to realize the six-degree-of-freedom adjustment and installation of the rotary workpiece, which is suitable for the centering installation of large-sized rotary workpieces.

The invention discloses a secured clamping device for a folding electric tricycle, comprising a vehicle head frame, a first vehicle body frame hinged with the vehicle head frame and a second vehicle body frame hinged with the first vehicle body frame; two sides of the second vehicle body frame are hinged with columns which are symmetric with each other; two sides of the second vehicle body frame are provided with limiting grooves which are symmetric with each other; the lower ends of the columns are arranged inside the limiting grooves; the upper ends of the columns are provided with a chair back matching with the vertical rods; the lower end of the chair back is hinged with a chair; the chair back is provided with a limiting step matched with the chair, and the limiting step is arranged under one end of the chair; two sides of the upper end of the chair back are provided with handles; and the handle is internally provided with a pressing handle. The secured clamping device for the folding electric tricycle makes people cannot regulate the position of the back chair when the people sit on the chair, which guarantees safety of the people sitting on the chair and guarantees the safety of the people.

The invention relates to the field of oil pump mandrel machining, and particularly discloses a rotary angle type mandrel drilling and riveting all-in-one machine which comprises a machine base with a guide rail, a clamping tool with a bearing block, an angle head, an ejector rod and a rotating plate, a drilling device, a riveting device, a discharging device, a turnover device, a sliding hydraulic cylinder assembly and a limiting assembly. By means of the feeding device and the turnover device, the automatic feeding function can be provided, the press-mounted mandrel can be converted into the horizontal posture from the vertical posture, and automatic clamping and automatic angle rotation of a workpiece can be achieved through the clamping tool; and the workpiece can automatically move and be machined on the drilling station, the riveting station and the discharging station along the guide rail, the machining efficiency is greatly improved, the cost is reduced, and the quality is improved.

The invention discloses an integrated detachable top cover structure for a refrigeration display cabinet. The structure of the integrated detachable top cover structure comprises a liquid drainage machine body, a refrigeration machine body, an outer isolation cabinet body, a refrigeration cabinet, a detachable transparent top cover, a side-opening glass door, and a liquid drain pipe, wherein the refrigeration machine body is mounted on the left side of the liquid drainage machine body and is in transition fit with the liquid drainage machine body, the right side of the liquid drainage machinebody is provided with the liquid drain pipe and is buckled with the liquid drain pipe, the refrigeration cabinet is arranged above the refrigeration machine body and is buckled with the refrigerationmachine body, and the detachable transparent top cover is arranged above the refrigeration cabinet and is in locking connection with the refrigeration cabinet. When the device is used, through the arranged liquid drainage mechanism, the problem that when the refrigeration cabinet in the prior art works, liquid leaking from the refrigerated articles easily accumulates to the bottom of the refrigeration cabinet, the cleaning is not easy, and the faults of the device are easily caused, is solved, the leaked liquid is drained effectively and timely, so that the phenomenon that the leaked liquid accumulates on the bottom and freezes is seldom caused, and thus the device is sanitary and convenient to use.

The multi-station continuous machining laser cutting device comprises a cutting machining table and a laser cutting base, an annular objective table is arranged above the middle of the cutting machining table, and the laser cutting base and a fixed transverse rod are movably installed through a side movable base; the annular objective table and the fixed boss are driven by a driving motor to rotate, the driving motor and the conical speed adjusting wheel are integrally installed below a driving installation base, and the side movable base and the driving installation base form a synchronous thread adjusting structure through an adjusting screw rod. According to the laser cutting device, the annular objective table is adopted to actively rotate and drive to adapt to arc-shaped laser cutting machining, when cutting of different radians is carried out, the cutting radius is adjusted through the single adjusting screw rod, meanwhile, the driving speed of the annular objective table is adjusted in cooperation with linkage of the conical speed adjusting wheel, the laser cutting device conveniently adapts to different cutting radiuses, and the stable laser cutting speed is kept; and in cooperation with multi-station machining of the annular objective table, the machining efficiency of the arc-shaped cutting workpiece is effectively improved.

The invention provides a motor with the function of fusing, which is characterized in that a heat-sensitive sensor is selected according to the power of the motor to cut off the electricity in danger of overload to safeguard the motor.

The invention discloses civil air defense door mounting equipment with an intelligent alarm effect and a mounting method thereof, relates to the technical field of civil air defense door mounting equipment, and aims to solve the problems that an existing civil air defense door with the intelligent alarm effect is inconvenient for a worker to quickly fix on the mounting equipment during mounting, so that the civil air defense door is easy to shake during mounting and moving, and certain dangerousness exists. A rotating support is installed on one side of a body support, a bearing support is installed on one side of the rotating support, a telescopic support is installed in the bearing support, the telescopic support is slidably connected with the bearing support through a clamping groove, and a tension spring is installed at the lower end of the telescopic support. The tension spring is fixedly connected with the telescopic support and the bearing support, an anti-disengaging clamping ring is installed on the outer portion of the upper end of the telescopic support and rotationally connected with the telescopic support, and a suction magnet is installed in the telescopic support.

The invention provides a tubular lever pressurized climbing rope device comprising a rope tube main body, a rope pressing plate, a left pedal and a right pedal which are provided with pedal clutches, and a main pressing device which is connected with the right pedal; a rope guide hole in the vertical direction is installed in the rope tube main body; a first opening is installed in the middle of a right side wall of the rope tube main body; an end of the rope pressing plate installed inside the first opening is hinged to the rope tube main body; the rope pressing plate swings in the first opening; the main pressing device tightly presses the rope pressing plate; the rope is tightly locked. By means of the lever principle, the locking force is enlarged by the rope pressing plate so that the climbing rope device is safe and reliable to use.

The invention discloses a wild-card hunting camera bracket, which relates to the technical field of hunting camera installation, and mainly solves the problem that the existing hunting camera installation device is very complicated in the process of disassembly and assembly; the device comprises a fixing plate, the fixing The right side of the plate is provided with a fixing belt, and the right side of the fixing belt is connected with the locking mechanism in the fixing plate through the fixing groove. The left side of the locking pin is connected with the locking hook through the block, the locking hook is connected with the quick release button, the top of the quick release button is connected with the fixing plate through the second spring, and the temporal part of the fixing plate is provided with a A spring hole, a third spring is arranged in the spring hole, the third spring is connected with the locking pin, and the other half of the fixing band is adjusted and inserted into the dark groove of the fixing plate, and the present invention is realized by the above-mentioned locking mechanism Quickly remove the camera mount with one click.