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43results about How to "Unable to rotate" patented technology

Reinforcing steel bar rust removal device with fragment treatment function

The invention discloses a steel bar derusting device with debris treatment function, which comprises a support frame, a rust removal cylinder and a debris collection frame; The bottom of the derusting cylinder is provided with a partition, the center of the left end of the derusting cylinder is connected to the rotating shaft, and the rotating shaft is connected to the first motor that drives it to rotate. There are floating grinding balls, an opening is opened on the right side plate of the derusting cylinder, and a matching closing plate is provided on the right side of the opening; the derusting cylinder is equidistantly provided with multiple groups of leakage holes along the length direction; A through hole is opened at the center of the partition; the debris collection frame is located under the partition, and the opening of the debris collection frame faces the through hole. The invention can effectively complete the derusting work of steel bars, and at the same time facilitates the collection of debris generated during the derusting process.
Owner:王少平

Emptying station for sweeping robot

InactiveCN111110123ARestricted movementGuaranteed dust collection efficiencyCarpet cleanersFloor cleanersDrive wheelClassical mechanics
The invention belongs to the technical field of ground cleaning equipment, and particularly provides an emptying station for a sweeping robot, which aims to solve the problem of inaccurate alignment between a dust suction port in an existing charging base and a dust outlet in a sweeping robot. Therefore, a guide wheel, a driving wheel and a dust collection box are arranged on the sweeping robot, and a dust outlet is formed in the bottom of the dust collection box. The emptying station comprises a charging seat main body and a bearing platform, a dust suction port, a guide wheel limiting structure and a driving wheel limiting structure are arranged on the bearing platform, the guide wheel limiting structure is used for limiting movement of the guide wheel, the driving wheel limiting structure is used for limiting movement of the driving wheel, so that the sweeping robot is accurately positioned on the bearing platform, and the dust suction port and the dust outlet are in butt joint. According to the emptying station with the structure, the situation that the dust outlet and the dust suction port are staggered can be avoided, and the dust suction efficiency of the emptying station onthe sweeping robot is guaranteed.
Owner:SHARKNINJA CHINA TECH CO LTD

Pressure casting die capable of achieving secondary die opening

InactiveCN106142461ARealize secondary mold openingSimple structurePressure castingEngineering
The invention discloses a secondary die-opening die-casting mold, which includes a panel, an upper mold, a lower mold and an ejector plate, the lower mold is provided with a first buckle plate, and the panel is provided with a second buckle plate and a limiter Pull plate, the upper mold is provided with a telescopic elastic block and a limit groove matched with the limit pull plate, the limit pull plate is slidably arranged in the limit groove, when the mold is closed, the first The buckle plate fastens the telescopic elastic block. When opening the mold, the upper mold first leaves the panel to open the mold, and then the second buckle plate slides against the telescopic elastic block to unlock the upper mold. and the lower mold, and under the limit of the limit pull plate, the lower mold and the upper mold realize secondary mold opening. The secondary mold opening die-casting mold of the present invention can be opened secondaryly, and has simple structure and convenient demoulding.
Owner:东莞市伟源五金有限公司

Novel camera

The invention discloses a novel camera and belongs to the technical field of monitoring camera shooting. The novel camera comprises a support base, a locking ring, a ball head pressing sleeve, a ball head fixing seat, a connecting ball head and a rear housing which are arranged mutually. By means of the above structure, the novel camera has the advantages of being convenient to use and flexible in operation and novel and attractive in appearance and has an evident promoting effect on overall city appearance, so that people avoid being sick of the usage of large numbers of cameras.
Owner:珠海安士佳电子有限公司

Paper feeding box, printer and method for using paper feeding box

One kind of paper feeding box may be combined with one printing unit and the printing unit has one lug. The paper feeding box includes one side wall with one through hole, one door leaf, one rotating assembly and one elastic assembly. The door leaf is pivoted to the side wall and can rotate around one X-axle. The rotating assembly is set inside the through hole and pivoted to the side wall, and can rotate optionally around one Y-axle between one first position and one second position. There is one preset angle between the X-axle and the Y-axle. The elastic assembly is set between the rotating assembly and the side wall and provides one elastic force for the rotating assembly to rotate towards the first position.
Owner:QUISDA CORP

Organic fertilizer fish type raw material crushing equipment

The invention relates to the technical field of crushing equipment and specifically discloses organic fertilizer fish type raw material crushing equipment. The organic fertilizer fish type raw material crushing equipment comprises an outer barrel and a roller vertically and rotatably connected to the interior of the outer barrel. A feed hopper is arranged on the top of the outer barrel. A drivingmechanism used for driving the roller to rotate is arranged on the outer barrel. The roller is internally provided with a cleaning cavity I. A plurality of crushing columns I are rotatably connected to the roller. A plurality of crushing columns II are fixed to the inner wall of the outer barrel. The crushing columns I and the crushing columns II are all horizontally arranged. The crushing columnI and the crushing columns II are distributed in a staggered mode. Each crushing column I is internally provided with a cleaning cavity II communicating with the cleaning cavity I. A plurality of cleaning holes are formed in the circumference of each crushing column I. All the cleaning holes are obliquely arranged in the same circumferential direction of the crushing columns I. The outer barrel isfurther provided with a water feed mechanism used for filling high-pressure water into the cleaning cavity I. Through the organic fertilizer fish type raw material crushing equipment provided by theinvention, viscose liquid generated in the crushing process can be diluted.
Owner:天府立春(成都)农业发展有限公司

High strength antitheft dial plate lock

The invention discloses a high strength antitheft dial plate lock. The high strength antitheft dial plate lock comprises a code lock, a key lock and a rotary knob, wherein the key lock comprises a lock core and a locking dog plate which are arranged on the rotary knob and used for locking or unlocking a rotation state of the rotary knob, the code lock comprises a code wheel and a tail end code wheel, a groove is formed between each two adjacent figures of the code wheel, a deadlock mechanism and an induction system which are used for limiting rotation of the code wheel are further arranged in a housing, the induction system comprises a second slide block, a sensor, an electrified magnet and a permanent magnet, the sensor and the electrified magnet are interconnected, the code wheel can enable the second slide block to trigger the sensor through rotation, and when the code wheel rotates according to a wrong sequence, the electrified magnet is powered on and locks the deadlock mechanism dead. The high strength antitheft dial plate lock is simple in structure, and achieves the purpose that an external user cannot unlock the high strength antitheft dial plate lock even under the situation that the external user knows a code through a code wheel rotation sequence preset by a user of the high strength antitheft dial plate lock.
Owner:NINGBO WANGTONG LOCKS

Gear interlocking type automobile back door hinge

The invention belongs to the technical field of automobile parts and particularly discloses a gear interlocking type automobile back door hinge, which comprises a first hinge, a second hinge, a thirdhinge, a first pin shaft and a second pin shaft; a regulating chamber is arranged on the second hinge, a first gear and a third gear are arranged on the first pin shaft, and a second gear is arrangedon the second pin shaft; a first one-way bearing and a third one-way bearing are arranged on the first pin shaft, a first friction wheel is arranged on the first one-way bearing, and a third frictionwheel is arranged on the third one-way bearing; a second one-way bearing and a fourth one-way bearing are arranged on the second pin shaft, a second friction wheel is arranged on the second one-way bearing, and a fourth friction wheel is arranged on the fourth one-way bearing; the adjusting chamber is internally provided with a fixing column, a locking gear, an upper adjusting column, a lower adjusting column and an adjusting rod; an upper friction wheel sleeves the outer wall of the upper adjusting column, and a lower friction wheel sleeves the outer wall of the lower adjusting column. The door hinge aims to solve the problem that a prior hinge can only open the back door by 180 degrees.
Owner:重庆市永川区中川科技发展有限责任公司

Filtering device for paper pulp

The invention relates to the field of paperboard production, and particularly discloses a filtering device for paper pulp. The filtering device comprises a seal cover, a pulp entering mechanism, a filtering disc and a collecting groove, filtering holes are formed in the filtering disc, a rotary shaft is fixed to the axis of the filtering disc, a rotating motor is fixed to the exterior of the sealcover, and a discharging pipe is communicated with the collecting groove; the pulp entering mechanism comprises an air-blowing pipe, a guiding pillar, a rotary barrel, a fixing barrel, an air-collecting pipe and a pulp entering motor; a seal plate is fixed to the opening of the fixing barrel; a plunger piston is fixed inside the fixing pipe, a spiral channel is formed inside the plunger piston, and the pulp entering pipe is communicated with the air-blowing pipe; the lower end of the guiding pillar is an inclined face, a clamping groove is formed in the lower end of the guiding pillar, the rotary shaft is fixed to the rotary barrel, and the pulp entering motor drives the rotary shaft; a partitioning plate is fixed inside the rotary barrel and divides the rotary barrel into a first cavity and a second cavity, and air inlets and air outlets are formed in the side wall of the rotary barrel; a first piston and a second piston are arranged in the first cavity and the second cavity, and a first piston rod and a second piston rod are fixed to the first piston and the second piston. In the scheme, workers are prevented from being scalded by the paper pulp.
Owner:重庆云新包装有限公司

Linear actuator for kitchen and bath integrated cooker and integrated cooker turning plate

The invention discloses a linear actuator for kitchen and bath integrated cooker. The linear actuator comprises an outer pipe, an inner pipe, a transmission lead screw, a lead screw nut and a driver used for driving the transmission lead screw to rotate, wherein the lead screw nut is fixedly connected with the inner pipe, a gear box is arranged between the driver and the transmission lead screw, the transmission lead screw is provided with a self-locking torsional spring used for limiting descending of the linear actuator in a sleeving mode, the transmission lead screw is provided with a bearing used for bearing in the sleeving mode, and a bearing table used for bearing the bearing is arranged in the gear box. The linear actuator has the advantages that the linear actuator has high self-locking capacity, in addition, the invention further discloses the integrated cooker turning plate, and the turning plate comprises the linear actuator.
Owner:ZHEJIANG JIECHANG LINEAR MOTION TECH

Low-voltage complete set power distribution cabinet fault indicator

The invention provides a low-voltage complete set power distribution cabinet fault indicator, and belongs to the technical field of electrical detection. The indicator comprises an indicator host, a short circuit sensor, a power supply cable, a grounding sensor and a sensing cable. The indicator host is connected with the short circuit sensor and the grounding sensor through the sensing cable; andthe short circuit sensor is nested on the outer surface of the branch cable of the power supply cable. The low-voltage complete set power distribution cabinet fault indicator is provided with a fixing bolt rod, an internal hexagonal wrench is used for screwing an internal screw rod to push a sliding plate and a power connection block to get close to each other until the sliding plate and the power connection block are attached, so that the second electromagnetic coil is powered on to generate a magnetic field and attract the permanent magnet and the iron box under the action of magnetic fieldattraction; and the fixing bolt rod is synchronously driven to be clamped in the open groove to be fixed, so that the fixing bolt rod can quickly buckle and fix the annular plate after the second electromagnetic coil is powered on, and the disassembly and assembly efficiency and the fixing stability of the annular plate during use of the annular plate are greatly improved.
Owner:蒋阿平

Plate bending equipment

The invention relates to the field of plate machining, in particular to plate bending equipment. The plate bending equipment comprises a male die and a first driving part, wherein the male die comprises a body and a bending unit, one end of the body is connected with the first driving part, and the first driving part drives the body to slide; and the bending unit comprises a bending plate hinged to the end of the male die and a second driving piece driving the bending plate to rotate, the bending plate is located at the end, away from the driving piece, of the body, and the second driving piece is fixed to the body. According to the plate bending equipment, the plate can be prevented from being subjected to a large friction effect, so that the situation that the surface of the plate needsto be polished after being scratched, and the machining efficiency is reduced is avoided.
Owner:CHONGQING COLLEGE OF ELECTRONICS ENG

Waist twisting disc with protection function

The invention belongs to the field of fitness equipment, and particularly relates to a waist twisting disc with a protection function, which comprises a supporting seat fixedly connected with the ground, a vertically arranged rotating shaft is rotatably connected in the supporting seat, a rotating disc is fixedly connected to the top end of the rotating shaft, and two groups of treading groups arearranged at the top end of the rotating disc. And the treading set is electrically connected with a control mechanism, the control mechanism is in control connection with a brake mechanism, and the brake mechanism can achieve limiting of the rotating shaft. According to the waist twisting device, through the characteristics that the two feet of a person make contact with the waist twisting disc in the using process, and the person is prone to falling down when standing on the waist twisting disc or falling down from the waist twisting disc and standing on the waist twisting disc with one foot, it is achieved that the waist twisting disc can rotate when the two feet stand, and exercising of the person is facilitated; therefore, the waist twisting disc cannot rotate when a person stands with one foot, falling is prevented, and the device has a protection function.
Owner:张辰

Drying and incineration system

The invention provides a drying and incineration system. Drying equipment and incineration system are in parallel arranged, so that integration of equipment is improved. A rotary shaft, a transverse tube and vertical tubes in a stirring device of the incineration equipment are arranged inside an incineration furnace; a power device and a fan are arranged outside the incineration furnace; when the incineration furnace carries out incineration operation, a power device drives the rotary shaft to rotate; meanwhile, the transverse tube and the vertical tubes move along with the rotation of the rotary shaft, so that effect of mechanically stirring materials in the incineration furnace is achieved; and a plurality of vertical tubes are arranged below the transverse tube to form a rake-shaped structure, so that the mechanical stirring effect is improved. Meanwhile, the fan is connected on a gas inlet for pumping the gas into the incineration furnace from the outside through the rotary shaft, the transverse tube and the vertical tubes in sequence, and the gas is sprayed out from a through hole, so that the materials in the incineration furnace are further stirred by virtue of flowing gas; by expanding a stirring range, the incineration furnace does not have a stirring dead angle, so that the incineration is more uniform and sufficient; and the heating efficiency and the production efficiency are improved.
Owner:江苏碧诺环保科技有限公司

Disinfection and acarus removing device used for cushion of sofa

The invention discloses a device for sterilizing and removing mite used for sofa cushions, which comprises a mite removing bin, side plates are arranged on both sides of the mite removing bin, limit blocks are welded on the surface of the side board, and the top of the side board is provided with Cover plate, and the inner and outer walls of the cover plate are provided with ultraviolet lamps, the inside of the side plate is provided with a sealing plate, the top of the sealing plate is provided with a spring column, the bottom of the sealing plate is provided with a balance plate, and the bottom of the mite removal bin A base is provided, a heater is provided inside the base, and a heat dissipation compartment is provided on the top of the heater, a heat conduction plate is provided on the top of the heat dissipation compartment, and a through hole is opened inside the heat conduction plate, and protective panels are provided on both sides of the bottom of the base. The bottom of the base is provided with a hub, and the surface of the side plate is welded with a pressure relief pipe. In the present invention, the design of the overall structure of the device is simple and reasonable, the connection and sealing are stable, the operation is safe and efficient, the operation is flexible and convenient, and has strong practicability.
Owner:CHENGDU XINXIN HIGH STRENGTH FASTENER MFRCO

Anti-falling inspection well lid for municipal road

The invention relates to the field of municipal facilities, and discloses an anti-falling inspection well lid for a municipal road. The anti-falling inspection well lid comprises a lid body and a base connected with the ground, wherein the lid body is rotatably connected with the upper side wall of the base, the lower side wall of the base is rotatably connected with a connecting frame through a torque rotating shaft, a net bag is fixedly connected to the inner wall of the connecting frame, an abutting rod is slidably inserted into the outer wall of the base, a telescopic spring sleeving the outer wall of the abutting rod is fixedly connected between the outer wall of the abutting rod and the outer wall of the base, a first magnet block is fixedly connected to the end of the abutting rod, and a connecting plate is fixedly connected to the outer wall of the base. The anti-falling inspection well lid has the advantages that the lid body is limited by arranging the abutting rod, and the lid body is prevented from being stolen; meanwhile, after the lid body is stolen, the abutting rod continues to move inwards to limit the net bag, the net bag cannot rotate downwards, pedestrians accidentally falling into a sewer are protected, and the personal safety is guaranteed.
Owner:荣泰建设集团有限公司

A parallel hanging board for power line accessories

The invention relates to a parallel hanging plate for power line accessories, which includes a first hanging plate, a second hanging plate, connecting bolts, lock nuts and positioning bolts, and the number of the first hanging plate and the second hanging plate is two , the second hanging plate is connected to one end of the first hanging plate, connecting bolts are plugged into the inside of the first hanging plate and the second hanging plate, and lock nuts are installed on the upper surface of the connecting bolts, the first hanging plate and the second hanging plate The two hanging plates are locked by positioning bolts. The lower right corner of the first hanging plate is provided with a triangular block. The inside of the triangular block and the first hanging plate are both provided with a first threaded hole. The inside of the first threaded hole is installed with a first The threaded column, the triangular block, and the connection between the side wall of the first hanging board and the second hanging board are all provided with connecting circular grooves. The present invention can realize the adjustment of the angle of the connecting piece and perform multi-stage fixing of the adjusted connecting piece. , At the same time, the modified parallel hanging plate can be applied to the installation of connectors of different heights.
Owner:HONGGUANG ELECTRIC GROUP CO LTD

Connecting structure of inner end cover and reel pipe end socket and object shielding curtain

ActiveCN111559230AUnable to rotateSolve the disadvantages of prone to noiseWindowsWindscreensNoise generationStructural engineering
The invention provides a connecting structure of an inner end cover and a reel pipe end socket, which belongs to the technical field of automobile parts and comprises an inner end cover and a reel pipe end socket, wherein the inner end cover is provided with a mounting shaft; the reel pipe end socket is arranged on the mounting shaft, the reel pipe end socket comprises an annular base and a plurality of elastic clamping feet, the elastic clamping feet are integrally connected to the annular base to form a clamping jaw structure, the annular base is arranged on the mounting shaft in a sleevingmode, and the elastic clamping feet are connected with the circumferential surface of the mounting shaft in an abutting mode. The invention further relates to an object shielding curtain, which comprises a reel pipe, an inner pipe and the connecting structure of the inner end cover and the reel pipe end socket, wherein the inner pipe is arranged in the reel pipe, and the end part of the reel pipeis connected with the reel pipe end socket. The beneficial effects are that the defect that the object shielding curtain easily generates noise in the pulling process is overcome through the structureof the reel pipe end socket and the inner end cover, and when the object shielding curtain is pulled, the object shielding curtain is not prone to generate noise or the generated noise is small.
Owner:NINGBO SHUAITELONG GRP CO LTD

Cathode lock

PendingCN112360233AThe position of the limit shrapnel is stableSimple structureNon-mechanical controlsEngineeringMechanical engineering
The invention discloses a cathode lock. The cathode lock comprises a shell, a lock tongue, a lock rod, a lock catch and an electromagnet, wherein the lock tongue is rotationally arranged on the shell,the lock rod and the lock catch are hinged in the shell, the lock rod is arranged on one side of the lock tongue, an inclined groove and a flange are arranged between the lock rod and the lock tongue, an abutting spring is arranged between the lock rod and the inner wall of the shell in an abutting mode, the electromagnet is arranged on one side of the lock catch, a reset compressed spring is arranged between the lock catch and the side wall of the electromagnet in an abutting mode, a limiting elastic piece is arranged between the lock rod and the lock catch, an abutting protrusion is arranged on the limiting elastic piece, and the limiting elastic piece has an unlocking state, a transition state, a reset state and a locking state. When the lock tongue is not operated to unlock, the lockcatch cannot be reset to abut against the lock rod, and after unlocking operation is completed, the lock catch can be reset to lock the lock rod again, so that the using effect of a whole structure iseffectively improved.
Owner:ZHEJIANG HONGTAI ELECTRONICS EQUIP

Gear interlock type car back door hinge

The invention belongs to the technical field of auto parts, and specifically discloses a gear interlocking type automobile back door hinge, including a first hinge, a second hinge, a third hinge, a first pin shaft and a second pin shaft; There is an adjustment chamber, the first pin shaft is provided with the first gear and the third gear, the second pin shaft is provided with the second gear; the first pin shaft is provided with the first one-way bearing and the third one-way bearing, and the second one-way bearing is provided A one-way bearing is provided with a first friction wheel, a third one-way bearing is provided with a third friction wheel; a second pin shaft is provided with a second one-way bearing and a fourth one-way bearing, and the second one-way bearing is provided with a There is a second friction wheel, and the fourth one-way bearing is provided with a fourth friction wheel; a fixed column, a locking gear, an upper adjustment column, a lower adjustment column, and an adjustment rod are arranged in the adjustment chamber; the outer wall of the upper adjustment column is sleeved with The upper friction wheel is sleeved with the lower friction wheel on the outer wall of the lower adjusting column. The purpose of the present invention is to solve the problem that the existing hinge can only open the back door by 180°.
Owner:重庆市永川区中川科技发展有限责任公司

Dry deslagging air leakage control device for power station boiler

The invention provides a dry deslagging air leakage control device for a power station boiler, and belongs to the field of control devices. The dry deslagging air leakage control device comprises a slag discharging pipe and an exhaust pipe, the exhaust pipe is fixedly connected to the circumferential surface of the slag discharging pipe, and the exhaust pipe communicates with the slag discharging pipe; Through the arrangement of a wind meter, the size of air leakage can be monitored, monitored data are transmitted to a processor, a servo motor is controlled to be started through analysis of the processor, rotation of a first gear can be achieved through rotation of the output end of the servo motor, rotation of a baffle can be achieved through rotation of a rotating shaft, the opening size of the exhaust pipe can be controlled through rotation of the baffle, so that air exhaust is controlled according to the opening size, redundant air is prevented from leaking into boiler equipment, operation of the boiler equipment is prevented from being affected, and the problems that in the prior art, hot air is directly exhausted due to the fact that an exhaust pipe is directly installed on a slag discharging pipeline, and consequently hot air is exhausted too fast, the service life of the boiler equipment is affected, and hot air in the boiler can be quickly discharged, so that the operation of the boiler is influenced can be solved.
Owner:华能八〇三热电有限公司

High-efficiency packing auger elevator

A high-efficiency packing auger elevator comprises a support, a bucket body is arranged on the support, the bucket body is obliquely arranged, a discharging opening is formed in the side wall of the top end of the bucket body, a packing auger is arranged in the bucket body, and the packing auger is controlled to rotate through a motor at the top end of the bucket body; a sinking collecting hopperis arranged at the bottom end of the bucket body, a partition board is arranged in the collecting hopper, and the partition board is a double-layer partition board; a spring is arranged between two layers of partition board bodies, and a motor is arranged at the bottom of the collecting hopper and abuts against the lower surface of the lower partition board body; a boss is arranged in the center of the upper surface of the upper partition plate body, a groove is formed in the boss, and the shape of the groove is matched with that of the packing auger. The collecting hopper is additionally arranged, so that more initial materials are stored in the elevator, mechanical equipment such as a forklift is used for carrying in the later period, manual slight continuous conveying is not needed, andthe efficiency is improved.
Owner:安徽成龙塑业科技有限公司

an incinerator

The invention provides an incinerator. A rotating shaft in a stirring device, a transverse pipe and vertical pipes are arranged inside an incinerator body; a power device and a fan are arranged outside the incinerator body; during incineration of the incinerator body, the power device drives the rotating shaft to rotate, meanwhile, the transverse pipe and the vertical pipes move along with rotation of the rotating shaft, and accordingly the effect of stirring materials in the incinerator body mechanically is achieved. Meanwhile, the fan is used for pumping gas into the incinerator body from the outside of the incinerator body via the rotating shaft, the transverse pipe and the vertical pipes in sequence, and the gas is sprayed out from through holes; on the one hand, the flowing gas further stirs the materials in the incinerator body, the stirring range is extended, no stirring dead corner exists in the incinerator body, and incineration is more uniform and sufficient; on the other hand, the temperature of the rotating shaft, the transverse pipe and the vertical pipes can be reduced through the flowing gas and is prevented from being too high in the high-temperature incinerator body, strength reduction and deformation caused when the temperature of the rotating shaft, the transverse pipe and the vertical pipes is too high are avoided, and the service life of the incinerator is prolonged.
Owner:江苏碧诺环保科技有限公司

Test tube rotation mechanism and test tube rotation code scanning device

The present invention discloses a test tube rotation mechanism and a test tube rotation scanning code device. The test tube rotation mechanism comprises a support, and a drive portion, a transmissionportion and a spacing portion which are fixed on the support and have axes being in a vertical direction; the spacing portion and a test tube are tangent at two first tangent points, the transmissionportion and the test tube are tangent at a second tangent point, the second tangent point and the two first tangent points are located in the same horizontal plane, and the ligatures of the second tangent point and the two first tangent points form an isosceles triangle, and the second tangent point is located at the vertex angle of the isosceles triangle; and the transmission portion rotates under the driving of the drive portion and is configured to perform friction of the test tube at the second tangent point, the test tube is passively rotated under the action of the friction, and the spacing portion is subjected to friction through the first tangent points to drive the rotation of the spacing portion. The test tube rotation mechanism is convenient to use and simple in structure, the three tangent points are used to fix the test tube to form a certain holding force to the test tube so as to increase the friction between the transmission portion and the test tube and ensure the rotation of the test tube.
Owner:DIRUI MEDICAL TECH CO LTD

A fall-proof manhole cover for municipal roads

ActiveCN112854304BGuarantee that the conductive frame canComplete magnetic fieldArtificial islandsUnderwater structuresArchitectural engineeringStructural engineering
The invention relates to the field of municipal facilities, and discloses an anti-falling manhole cover for municipal roads, comprising a cover body and a base connected with the ground, the cover body is rotatably connected with the upper side wall of the base, and the lower part of the base is rotatably connected. The side wall is rotatably connected with a connecting frame through a torque shaft, the inner wall of the connecting frame is fixedly connected with a net pocket, the outer wall of the base is slidably inserted with an abutting rod, and the outer wall of the abutting column and the outer wall of the base are fixedly connected There is a telescopic spring sleeved on the outer wall of the abutting rod, a magnet block 1 is fixedly connected to the end of the abutting rod, and a connecting plate is fixedly connected to the outer wall of the base. The present invention has the following advantages and effects: the present invention limits the cover body by setting the abutting rod to prevent the cover body from being stolen, and at the same time, after the cover body is stolen, the abutting rod continues to move inward to limit the position of the net pocket, ensuring that the net pocket cannot be Rotating downward, it realizes the protection of pedestrians who accidentally fall into the sewer, and ensures personal safety.
Owner:荣泰建设集团有限公司
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