1563results about "Lubrication check valves" patented technology

To disclose a TBM main drive visualization lubrication device and a method of using the same.SOLUTION: A functional mechanism 1 comprises a first seal case, a second seal case, and a position limiting member. When in use, the first seal case and the second seal case can be cased outside an existing TBM drive, and furthermore, by rotating a position limiting ring, the use position of an extension tube can be moved and adjusted while supported by a connection rod, and furthermore, the extension tube is arranged to be pressed and affixed to an interior wall of the existing TBM equipment in accordance with an elastic affixing block, so that the equipment can be installed easily and stably, and furthermore, a distance increasing ring with suitable diameter is selected on the basis of the specifications of a drive gear and a ring gear inside the actual existing TBM drive.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of building construction, and discloses a material lifting mechanism for building a steel structure shed, which comprises a base, a lifting component is mounted at the top of the base, a lifting bin is fixedly connected to the top of the lifting component, a winding roller is rotatably connected to the inside of the lifting bin, a lifting rope is fixedly connected to the periphery of the winding roller, and the lifting rope is fixedly connected to the top of the lifting component. A mounting plate is fixedly connected to the outer wall of the hoisting bin, a motor is fixedly connected to the top of the mounting plate, a self-locking assembly is mounted in the middle of the mounting plate, a lubricating assembly is mounted in the middle of the hoisting bin, and an output assembly is mounted at the bottom of the mounting plate. According to the self-locking device, after the motor stops running, the self-locking assembly can rapidly trigger a locking mechanism, it is ensured that the lifting rope is firmly fixed through the friction effect of the self-locking wheel and the rubber ring and the cooperation of the clamping column and the spring, and the risk of loosening of the lifting rope or falling of materials can be effectively avoided even in unforeseen circumstances.

The invention discloses a municipal engineering pipe network construction method, and relates to the technical field of pipe network laying, the municipal engineering pipe network construction method comprises a frame body and a pipe main body, a butt joint box is fixedly connected to the top of the frame body, butt joint holes are formed in the two side walls of the butt joint box in a penetrating mode, and the inner walls of the butt joint holes are matched with the outer wall of the pipe main body in an attached mode; and a clamping and cleaning mechanism is arranged on the inner wall of the butt joint box so as to be used for pipe network laying. According to the municipal engineering pipe network construction method, when a pipe network is constructed and laid, the pipe main bodies can be supported, clamped and fixed through cooperation of the clamping and fixing base and the supporting disc, the driving motor drives the pipe main bodies to be in automatic butt joint, the butt joint position does not need to be manually controlled, and the butt joint accuracy is guaranteed; and meanwhile, in the butt-joint moving process, the butt-joint end wall of the pipeline body can be cleaned in a surrounding mode through the multiple cleaning brushes, and then the construction laying efficiency of the pipe network is guaranteed.

The invention belongs to the technical field of sintering pallet fat liquoring, and particularly relates to a sintering pallet fat liquoring machine and a control method and a control system thereof, the sintering pallet fat liquoring machine comprises a follow-up car which is used for running in parallel with a sintering pallet and can run in a reciprocating mode, and an oil injection module is installed on the follow-up car; the control method comprises the following steps: S1, the positioning rudder is standby; s2, wheels of the sintering pallet are captured; s3, the follow-up car follows; s4, the oil injection gun is operated; s5, oil injection; s6, the oil injection gun is separated; and S7, resetting the positioning rudder. According to the automatic grease adding device, automatic grease adding and lubrication of the wheels of the sintering pallet in time under the non-stop state are achieved, the sintering efficiency is improved, manpower is liberated, normal operation of the sintering pallet is guaranteed, and the automatic grease adding device has very important significance for solving the grease adding problem of an existing pallet.

The invention relates to the technical field of mine construction detection, in particular to a laser and electromagnetic wave three-dimensional monitoring device which comprises a monitoring unit, an auxiliary mechanism used for user toppling emergency is movably installed on the outer side of the monitoring unit, and a light reflecting vest convenient to wear is installed at the top of the auxiliary mechanism. The auxiliary mechanism comprises a gear ring used for fixedly installing the monitoring unit, a gear is installed on the inner side of the gear ring in a meshed mode, and a motor is fixedly installed on the top of the gear. Shooting equipment can be used for shooting and recording partial special areas, the working efficiency can be improved, if a worker topples over, the monitoring unit detects that the distance between the worker and the ground is rapidly shortened, and the motor drives the monitoring unit to rotate to the back of the worker, so that the worker is prevented from being hurt after the monitoring unit collides with the ground; and the damage possibility of the monitoring unit can also be reduced.

The utility model provides a rotary distribution valve, a distribution device and a centralized lubrication system. The rotary distribution valve is at least suitable for a lubricating system with lubricating grease as a lubricating medium and comprises at least one valve unit, and each valve unit comprises a valve seat and a valve element. A valve cavity is defined by the valve seat, the first end and the second end of the valve cavity are opposite in the first direction, at least one inlet is defined in the cavity wall of the first end, and at least one outlet is defined in the second end and / or the cavity wall between the first end and the second end. The valve element is rotatably arranged in the valve cavity, and at least one sub-cavity is defined, so that under the condition that the valve element rotates, the at least one sub-cavity is switched to be connected or disconnected between the at least one inlet and the at least one outlet. A driving end is formed, the driving end is located at the first end of the valve cavity, and the driving end is constructed to be directly or indirectly connected with a driving mechanism. And the problem that in the prior art, faults of an electromagnetic valve occur frequently is solved.

The invention discloses an intelligent dry oil lubrication system for a coal mine, and belongs to the technical field of lubrication. The system comprises a dry grease barrel, a dry grease pump, a main valve, a main conveying pipeline, a branch conveying pipeline, a grease inlet valve, a master control box and a distribution box. An oil distribution device in the distribution box comprises a plurality of quantitative oil control valves which are installed side by side, and each quantitative oil control valve comprises a valve rod capable of moving in a reciprocating mode and an adjusting rod used for adjusting the opening length of an oil long hole in the valve rod. The master control box and the distribution box are explosion-proof boxes. The reciprocating frequency of the valve rod and the opening length of the oil adjusting long hole are controlled to achieve independent and accurate control over the oil quantity of each path, and meanwhile violation operation is avoided through a linkage mechanism of a linkage rod and other mechanisms.

The invention relates to the technical field of lubricating devices, in particular to a plunger synchronous lubricating device and a using method. Two grease inlets and two grease outlets are formed in the main body valve block; the hydraulic system is composed of two hydraulic cylinders which are symmetrically arranged; the hydraulic cylinder comprises an external end cover and an internal movable plunger; an inner sleeve is arranged on the connecting side of the end cover; the movable plunger is connected into the inner sleeve in a sliding mode. A hydraulic oil port is formed in the tail part of the end cover; the connecting side of the end cover is hermetically connected with the main body valve block; the inner sleeve is fixed in the main body valve block; working oil cavities, namely a first working oil cavity and a second working oil cavity, are formed between the inner sleeve and the main body valve block; the working oil cavities are respectively communicated with the corresponding oil inlets and outlets; the high-pressure lubricating device is low in fault rate, long in durability, capable of avoiding faults caused by electrical control, capable of being applied to occasions needing high-pressure and large-flow lubrication and wide in application range.

The present invention discloses a progressive adjustable switching valve, belonging to the technical field of oil pressure valve blocks, which includes a first block, a tail block and a plurality of intermediate blocks. An upper valve block is installed on the upper surface of the first block, each intermediate block and the tail block to form a combined valve body; a propulsion oil passage, a circulating propulsion oil passage, a discharge oil passage and a circulating discharge oil passage that are circulated and interconnected are arranged in the combined valve body. The present invention divides the output oil pressure of the lubricating oil pump into multiple paths and automatically outputs them one by one in a single path to ensure that the lubricating oil with sufficient pressure is output in each path; at the same time, each single valve block is convenient to manufacture and can be combined in various ways, with good flexibility to adjust different oil output volumes.

The invention relates to the technical field of aluminum pipe oil injection, and discloses a heat exchanger aluminum pipe pre-oil injection process and oil injection equipment. Oil injection connectors are evenly distributed on the top of a protection box, air blowing connectors fixed to the top of the protection box are arranged between every two adjacent oil injection connectors, and oil injection heads corresponding to the oil injection connectors are evenly distributed on the rear side wall of the protection box; blowing heads corresponding to the blowing connectors are evenly distributed on the rear side wall of the protection box, each set of oil injection connectors are connected with an oil injection tank through an oil injection pipe, each set of blowing connectors are connected with an air conveying pipe through an air blowing pipe, volatile oil carries lubricating oil to enter an aluminum pipe, only effective lubricating components are reserved after volatilization, a stable lubricating film is built before pipe expansion, and the lubricating effect is improved. The tooth-shaped change rate of the inner wall of the aluminum pipe is reduced from 31% to 11%, the risk that the expansion head adheres to aluminum is remarkably reduced, the tooth-shaped structure is protected, the traditional expansion pipe oiling procedure is omitted, and the machining efficiency is improved.

A lubricating system configured to provide a lubricating oil from a lubricant reservoir to a fluid end by use of a pump. The lubricating system has a plurality of check valves that each have an elastomeric insert. The lubricating system also has at least one pressure relief valve that is configured to re-rout lubricant to the lubricant reservoir when needed to stabilize pressure within the system. The lubricating system uses a pump drive controller and at least one sensor to selectively turn the pump on and off.

The utility model relates to the technical field of generators, and provides a convenient-to-cool lubricating structure for a gas generator, which comprises a base, a generator main body fixedly mounted at the top of the base, and a bearing fixedly mounted at one end of the generator main body. The second belt wheel rotates to drive a kidney-shaped hole plate to rotate, the kidney-shaped hole plate drives an adjusting screw rod to move in a reciprocating mode through a rotating shaft and a mounting sleeve, a threaded cylinder is driven by the adjusting screw rod to move up and down, and therefore the threaded cylinder drives a piston block to slide up and down in a reciprocating mode, and when the piston block moves upwards, lubricating oil in an oil tank can be sucked into an oil injection cylinder through an oil conveying pipe; and lubricating oil in the oil injection cylinder is discharged through the oil outlet pipe and sprayed into the bearing, so that the effect of automatically and quantitatively injecting oil to lubricate the bearing is achieved under the action of reciprocating motion of the piston block, and the use convenience and safety and the lubricating maintenance efficiency are effectively improved.

A lubricant distribution system for supplying lubricant. The system includes a reservoir for lubricant and a pump assembly for pumping the lubricant. The pump assembly includes a crank case having a crank assembly that is insertable into and removable from a housing of the crank case without disassembly of the crank assembly, to provide ease of assembly and disassembly of the crank case. The system also includes a shut-off valve stopping the refilling of the reservoir with lubricant. The shut-off valve includes a blocker for preventing the flow of lubricant to the reservoir and an actuation surface for positioning the blocker to prevent the flow of lubricant. For overfill protection, the actuation surface is movable relative to the blocker. The system also includes a mount with a one-way valve mounted thereto. The one-way valve is removable from the mount for easy replacement or cleaning of the one-way valve.

The utility model relates to the technical field of distributors, and discloses a double-line distributor, a main body mechanism comprises a mounting table, the top of the mounting table is fixedly connected with a left oil outlet joint, the top of the left oil outlet joint is provided with a left oil outlet, the top of the mounting table is fixedly connected with a right oil outlet joint, and the right oil outlet joint is provided with a right oil outlet. A right oil outlet is formed in the top of the right oil outlet connector, and a valve body is fixedly connected to the bottom of the mounting table. According to the utility model, the channel p1 is arranged, the channel p1 is connected with pressure oil, and the channel p2 is connected with an oil return tank. Pressure oil enters a containing cavity a1 and pushes a reversing plunger assembly to move rightwards, after reversing is in place, pressure oil of the containing cavity a1 and a channel p1 is connected into a containing cavity b1 through a channel c1, a metering plunger moves rightwards and pushes lubricating oil of a containing cavity b2 to reach a right oil outlet through an annular groove in the reversing plunger assembly, and at the moment, one-time oil discharging is completed; certain pressure of the oil outlet is guaranteed, and jet lubrication of thin lubricating oil can be achieved at a lubricating point.

The invention discloses a steer-by-wire actuator with a mechanical self-locking function, and relates to the technical field of steer-by-wire actuators, the steer-by-wire actuator comprises an actuator shell assembly, and a wheel steering mechanism capable of sliding left and right and a self-locking driving mechanism used for driving the wheel steering mechanism are arranged in the actuator shell assembly; a displacement detection mechanism is further arranged in the actuator shell assembly, a lower circulation mechanism is arranged on the back face of the actuator shell assembly, and an upper circulation mechanism is arranged on the left side and the top of the actuator shell assembly jointly. After waste lubricating oil in the actuator shell assembly is discharged, new lubricating oil can be used for conducting high-pressure washing on the inner wall of the actuator shell assembly, the washing area is increased in cooperation with rotation of the hollow shaft, and meanwhile residual lubricating oil is discharged under driving of the new lubricating oil; and therefore, the residual quantity of waste lubricating oil in the actuator shell assembly is effectively reduced, and the influence on the service life of new lubricating oil is reduced.

The utility model provides an integrated valve group, a radiator assembly, a lubricating and cooling system and a wind generating set, the integrated valve group is used for the radiator assembly, the radiator assembly further comprises a radiating core body and a bypass channel, the bypass channel is connected with a radiating channel in the radiating core body in parallel, and the integrated valve group is arranged at an inlet of the bypass channel; the integrated valve group comprises a temperature control valve group and a pressure valve group which are integrated into a whole, and an inner cavity of the temperature control valve group is communicated with an inner cavity of the pressure valve group. By integrating the temperature control valve group and the pressure valve group, the integrated valve group can be opened under the condition that at least one of the opening temperature condition of the temperature control valve group and the opening pressure condition of the pressure valve group is met, so that the overall opening condition of a single valve body is widened, the problem of oil trapping of a radiator assembly can be solved, and the damage risk is reduced.

The present invention relates to the technical field of valves, and specifically relates to a three-way oil return assembly, which includes an oil inlet assembly and an oil outlet assembly. The oil inlet assembly and the oil outlet assembly are assembled and connected. The oil inlet assembly includes a reversing valve block, a fixed joint, and an oil return port joint. The fixed joint is sleeved at one end of the reversing valve block, and the oil return port joint is inserted into the oil return end of the reversing valve block. The oil outlet assembly includes a locking nut and a guiding valve body inserted into the locking nut. An oil outlet joint is inserted at one end of the guiding valve body. The beneficial effects are as follows: The three-way oil return assembly proposed by the present invention is connected to the oil outlet pipeline through the oil outlet joint. The oil inlet assembly and the oil return assembly are used in combination, and the switching of its oil outlet and oil return port can be quickly realized. The outlet check valve is arranged at the front end of the oil outlet joint and serves as a guiding component for the oil port switching of the oil inlet assembly. At the same time, the check valve structure can prevent the grease in the oil outlet pipeline from overflowing reversely.

The invention relates to the technical field of bearing seats, in particular to a bearing seat with shock absorption and noise reduction functions, which comprises a bearing seat body, mounting seats are arranged on the outer walls of the two sides of the bearing seat body, a supporting plate and a filter box are arranged in the bearing seat body, a movable plate is movably arranged at the top of the supporting plate, and a mounting shell is arranged at the top of the movable plate. A bearing outer ring is arranged in the mounting shell, a bearing body is rotationally arranged in the bearing outer ring, particles and impurities in lubricating oil can be filtered through filtering holes in a sieve plate, the particles and the impurities are prevented from influencing secondary use of the lubricating oil, and the lubricating oil filtered through the sieve plate can fall on the top of an activated carbon filtering plate; and harmful substances such as colloid and asphalt in the lubricating oil can be removed by utilizing an activated carbon filter plate, so that the quality of the lubricating oil cannot be influenced, and the lubricating oil subjected to secondary filtration flows into the lubricating oil storage tank through a connecting pipe, so that secondary use is facilitated.

A lubricant distribution system for supplying lubricant. The system includes a reservoir for lubricant and a pump assembly for pumping the lubricant. The pump assembly includes a crank case having a crank assembly that is insertable into and removable from a housing of the crank case without disassembly of the crank assembly, to provide ease of assembly and disassembly of the crank case. The system also includes a shut-off valve stopping the refilling of the reservoir with lubricant. The shut-off valve includes a blocker for preventing the flow of lubricant to the reservoir and an actuation surface for positioning the blocker to prevent the flow of lubricant. For overfill protection, the actuation surface is movable relative to the blocker. The system also includes a mount with a one-way valve mounted thereto. The one-way valve is removable from the mount for easy replacement or cleaning of the one-way valve.

The invention provides a three-rail-in-one curtain rail and a three-rail-in-one curtain rail assembly. The curtain rail comprises a rail body. Three T-shaped sliding grooves are formed in the track body in the length direction of the track body, and two assembling plates are symmetrically installed on the track body. The curtain rail assembly comprises a T-shaped sliding block, an elastic suspension assembly, a rolling lubricating piece and an oil injection assembly. A plurality of T-shaped sliding blocks are arranged in the T-shaped sliding groove in a sliding mode, cavities are formed in the T-shaped sliding blocks, the elastic suspension assemblies are installed in the cavities, and the bottom ends of the elastic suspension assemblies penetrate through the bottoms of the T-shaped sliding blocks in a sliding mode. The curtain hook is connected with the T-shaped sliding block through the elastic suspension assembly, when a curtain is pulled, downward pressure is buffered through elastic deformation, friction between a rail and the sliding block is reduced, the service life of the rail is prolonged, meanwhile, the elastic suspension assembly pulls the oil injection assembly to drive the piston to move downwards, lubricating oil is guided to the rolling lubricating piece and discharged into the T-shaped sliding groove, and automatic lubrication is achieved; friction coefficient is reduced, abrasion is reduced, and smooth sliding of the curtain is guaranteed.

The invention belongs to the technical field of fastener disassembling, and discloses a hydraulic support mechanical corrosion fastener vibration impact disassembling device which comprises a supporting cylinder, an inner gear ring is rotationally connected with the interior of the supporting cylinder in a sleeved mode, and an outer gear ring is fixedly connected with the outer surface of the inner gear ring in a sleeved mode. Hydraulic force acts on the impact assembly, repeated hydraulic changes are utilized to control the impact assembly to stretch and retract repeatedly, impact vibration is conducted towards the outer side face of a rusted fastener, disassembly and separation are achieved, and meanwhile the control part is matched with the inner gear ring and the outer gear ring to control forward and reverse rotation of the deflection distribution assembly, so that disassembly and separation are achieved. The impact direction of the impact assembly is changed, effective separation and disassembly of the fastener are achieved through repeated impact in the positive direction and the negative direction, the fastener is separated from the rusted state and automatically unscrewed along the sleeving screw rod, and rapid and effective disassembly and separation of the rusted fastener on a hydraulic support machine are achieved in cooperation with auxiliary screwing-out equipment. And the maintenance, replacement and use effects are greatly improved.

The hundred-ton-level safe heavy-load lifting platform comprises a bottom plate, two supporting vertical frames are fixedly connected to the upper end of the bottom plate, stopping assemblies are arranged on the inner walls of the front sides and the rear sides of the two supporting vertical frames, a lifting table is jointly connected to the two supporting vertical frames in a sliding mode, and a leveling assembly is arranged at the lower end of the lifting table; the leveling assembly comprises a second double-shaft motor installed at the lower end of the lifting table, and two output shafts of the second double-shaft motor are fixedly connected with rotating rods. According to the lifting platform, through the arrangement of the four stop assemblies and the four stop pin shafts, when the 100-ton lifting platform works, it is guaranteed that the height of the platform surface is consistent with the height of the ground plane of each floor, a load-carrying trolley is more stable and does not jolt when entering and exiting the lifting platform, and meanwhile in the working process of the lifting platform, the load-carrying trolley is not prone to falling off. Lubricating oil can be automatically sprayed on the gear and the rack at set intervals, abrasion between the gear and the rack is reduced, and meanwhile excessive power loss caused by excessive sprayed lubricating oil can be avoided.

The invention discloses an oil cylinder with a self-lubricating system. The oil cylinder comprises a piston seat, a cylinder barrel, a piston rod and a plunger rod. Two sets of piston sealing rings are arranged on the outer wall of the piston seat and define a lubricating area with the inner wall of the cylinder barrel, an annular filling groove is further formed in the outer wall of the piston seat, and an annular oil filtering cavity and an annular compression cavity are formed in the inner side. The annular oil filter cavity is divided into an oil collection area and an oil storage area through an annular filter screen, and the annular compression cavity is divided into an oil injection area and an action area through an annular piston. The lubricating area and the annular oil filtering cavity are filled with lubricating oil, the oil collecting area collects the lubricating oil, and the oil storage area supplements the filtered lubricating oil to the oil injection area and injects the lubricating oil into the lubricating area through the annular filling groove. The plunger rod is fixed to the axis of the rear end cover, the sliding through groove is communicated with the acting area, the plunger rod extrudes a gas medium when sliding, the annular piston is pushed to inject lubricating oil into the lubricating area, and cyclic utilization of the lubricating oil is achieved. The performance and the reliability of the oil cylinder are remarkably improved.

The invention discloses a compacting and shaping device for flue-cured tobacco leaves. The compacting and shaping device comprises a maintenance platform, a lifting assembly, an automatic oil injection assembly, a control assembly and a pressing plate. A mounting frame is arranged on the maintenance platform; the lifting assembly comprises a lifting plate, a guide rail and a sliding block, the guide rail is arranged on the side wall of the mounting frame, the sliding block is arranged on the side wall of the lifting plate and slidably connected with the guide rail, and an oil injection hole is formed in the guide rail; the bottom of the lifting plate is connected with the pressing plate to drive the pressing plate to move up and down; the automatic oil injection assembly is arranged at the top of the mounting frame and connected with the oil injection hole. In the using process, when the action frequency of the pressing plate reaches the preset frequency, the control assembly controls the automatic oil injection assembly to work, the automatic oil injection assembly injects lubricating oil into the oil injection hole, then the lubricating oil can be automatically supplemented to the oil injection hole of the guide rail in time, and the lubricating oil does not need to be supplemented to the oil injection hole of the guide rail after equipment is shut down; and the tobacco leaf processing efficiency is improved.

The utility model belongs to the technical field of engineering machinery auxiliary equipment, and particularly relates to a grease lubricating system based on PLC control, which comprises a PLC, a lubricating device, an oil pressure switch and a low oil level switch, a signal input terminal of the PLC is respectively connected with the oil pressure switch and the low oil level switch, and a signal output terminal of the PLC is connected with the lubricating device; the oil pressure switch is installed at the tail end of the lubricating pipeline and used for collecting oil pressure signals of the tail end of the lubricating pipeline. The low-oil-level switch is installed on the outer side of the oil tank and used for collecting low-oil-level signals in the oil tank. According to the utility model, the intermediate relay for controlling the oil pump is connected to the output module of the PLC, and the oil pressure switch and the low oil level switch are connected to the input module of the PLC, so that the start or stop of the lubricating motor is automatically controlled, and the low oil level switch is used for detecting an oil level signal; when the oil level is low, an alarm is automatically given, and the oil pump does not work under the condition that the chain oil inlet pump is started to prevent faults.

The invention relates to the technical field of automatic control, and discloses an automatic control method and system for bearing grease injection. The method comprises the steps that weight data in the grease injection process are collected, a weight change curve is obtained after filtering, and the flow pulsation amplitude is calculated; when flow pulsation is abnormal, pump cavity volume and pipeline impedance parameters are obtained, pump speed correction is calculated based on pressure feedback, the pump rotating speed is adjusted, and preliminary stable flow is obtained; the state of the servo system is monitored based on the initial stable flow, if the resonance peak value exceeds the limit, servo parameters are optimized, the pumping pressure is adjusted in combination with a temperature compensation mechanism, and a compensation pressure signal is obtained; the overshoot of the pressure signal is evaluated, if the overshoot exceeds the limit, the control parameters are adjusted, the pressure deviation is corrected, a final grease injection instruction is generated in combination with backpressure suppression, precise grease injection is executed, and the weight accumulation change is monitored to judge the completion state; and the deviation between the actual total grease injection amount and the target amount is calculated, the current parameter is recorded as the initial set value of next grease injection if the precision reaches the standard, and the control precision of the grease injection process is improved.

The present invention discloses a kind of helical gear reducer with noise reduction effect and a noise reduction method, comprising a helical gear reducer, two functional covers, two connection components, a self-driving component, a processing component and a reinforcing component. A large amount of lubricating oil is injected into the helical gear reducer to reduce the collision noise between the gears in the helical gear reducer, thereby increasing the service life of the gears, and isolating and absorbing the sound of the lubricating oil, thereby reducing the noise from the source to the greatest extent. Then, the two functional covers cooperate with the self-driving component and the processing component to self-circulate and filter the lubricating oil in the helical gear reducer, thereby improving the use effect of the lubricating oil, saving worry and labor in operation, and convenient to replace the processing cylinder. Finally, with the auxiliary effect of the sound insulation cover of the reinforcing component, the helical gear reducer is almost fully covered for noise reduction. The overall operation is simple and convenient, the noise reduction effect is good, and it is convenient to dissipate heat in the helical gear reducer, thereby improving performance.

The utility model relates to the technical field of mechanical equipment, in particular to an oil supply system which comprises a pressure tank. The upper end of the outer side of the pressure tank communicates with an oil barrel through a first oil way, and the lower end of the outer side of the pressure tank communicates with an oil valve through a second oil way. The top end of the pressure tank communicates with a first gas path. The vacuum generator exhausts air in the pressure tank from a port of the positive and negative switching valve along the second air path, at the moment, a negative pressure state is formed in the pressure tank, oil in the oil barrel enters the pressure tank under the action of atmospheric pressure, and when the oil in the pressure tank reaches an upper limit, the first one-way valve and the third one-way valve are controlled to be closed, and the oil in the oil barrel enters the pressure tank. The first one-way valve and the second one-way valve are opened, the second one-way valve and the fourth one-way valve are opened, then the positive-negative switching valve is controlled to switch the passage to the third air passage, positive pressure is generated in the pressure tank at the moment, oil in the pressure tank is supplied to the oil valve through the fourth one-way valve, and the oil supply system can provide pressure oil and can directly suck oil into the oil tank by operating the positive-negative switching valve of the reversing valve after the oil is used up.

A lubricant distribution system for supplying lubricant. The system includes a reservoir for lubricant and a pump assembly for pumping the lubricant. The pump assembly includes a crank case having a crank assembly that is insertable into and removable from a housing of the crank case without disassembly of the crank assembly, to provide ease of assembly and disassembly of the crank case. The system also includes a shut-off valve stopping the refilling of the reservoir with lubricant. The shut-off valve includes a blocker for preventing the flow of lubricant to the reservoir and an actuation surface for positioning the blocker to prevent the flow of lubricant. For overfill protection, the actuation surface is movable relative to the blocker. The system also includes a mount with a one-way valve mounted thereto. The one-way valve is removable from the mount for easy replacement or cleaning of the one-way valve.

The utility model discloses a novel lubricating pump oil outlet structure capable of adjusting the oil outlet amount, and relates to the technical field of lubricating pumps. The pump body is in threaded fit with the adjusting valve element seat, and the adjusting valve element seat is fixedly connected with the hexagon nut, so that after the hexagon nut is rotated, the valve element is driven to rotate clockwise or anticlockwise so as to adjust the size of the quantitative cavity, and the requirement for flexible adjustment of the oil outlet amount is met; according to the oil pump, the motor drives the cam to rotate and drives the pump core to do reciprocating motion, when the pump core moves rightwards, oil in the quantitative cavity is pushed, so that the valve element is pushed, finally, the oil in the quantitative cavity reaches an oil outlet channel through a through hole of an oil receiving groove of the valve element to be discharged, and when the cam is far away from the pump core, a reset spring of the pump core resets the pump core. And meanwhile, the valve element spring is adjusted to reset the valve element, at the moment, the oil inlet of the pump body sucks oil from the oil tank to fill the quantitative cavity, and the next oil outlet action of the pump element continues to be waited.