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95 results about "Piston Guide" patented technology

Transmission system including a differential drive device

Transmission system for a motor vehicle includes a differential drive device configured to distribute a torque to two wheel shafts of an axle, and which includes a coupling device having a coupled position in which the transmission of the torque via the differential drive device is provided and a decoupled position in which the transmission of the torque via the differential drive device is interrupted. The coupling device includes an actuator including a piston guided in axial translation between a retracted position and an extended position; and a thrust bearing which is inserted between the piston and a first coupling part of the coupling device so as to transmit an actuating force of the piston to the first coupling portion and to move the first coupling portion from the uncoupled position to the coupled position during the movement of the piston from the retracted position to the extended position.
Owner:VALEO EMBRAYAGES SAS

A piston guide arrangement

The application discloses a piston guiding device and relates to the technical field of piston assembly, which comprises a piston and a connecting rod, a piston guide barrel for defining the piston, a guide mechanism arranged on the piston guide barrel for guiding the insertion of the connecting rod, and rotating parts with adjustable spacing arranged oppositely; a guide barrel cover plate in clamping cooperation with the piston guide barrel, and a piston assembly rod slidingly inserted into the guide barrel cover plate. In the piston guiding device, the guide barrel cover plate fixes the position of the piston assembly rod, the piston assembly rod is guided and stabilized during the advancement of the piston, the piston is not prone to be stuck, the pressing of the rotating parts on the connecting rod can stabilize the clamping of the connecting rod, the insertion of the connecting rod is more stable, the pressure of the rotating parts on both sides of the connecting rod is equal, the rotating parts always move along the axis of the piston during the insertion of the rotating parts, and the centering effect is achieved.
Owner:ANHUI QUANCHAI ENGINE

Piston housing unit with piston guide

A piston housing unit (1) is disclosed, comprising: - a piston (3), - a housing (2), wherein the piston (3) is provided to be displaceable in the housing (2) along an axis (X) and is connected to a transmission element (5) of the piston-housing unit (1), wherein the transmission element (5) is supported by a first bearing (6) and a second bearing (7). Furthermore, a piston (3), a housing (2), a transmission element (5) and an actuator (10) are disclosed.
Owner:KB INTELLECTUAL PROPERTY GMBH & CO KG

Pump type discharge tool and pump type discharge container

To provide a novel pump type discharge tool and a novel pump type discharge container that are reduced in force required for press-down operation on a press head.SOLUTION: The present invention relates to a pump type discharge tool 1, and a pump type discharge container 2 that has a mount cap 10, a cylinder body 20, a piston guide 30, a press-down head 40, a spring 50, a synthetic resin-made piston 60 comprising a lower seal piece 61a and an upper seal piece 61b, an inflow-side check valve 70, and a press part 80 provided integrally with the mount cap 10, and configured to press the upper seal piece 61b against an inner peripheral surface of the cylinder body 20 when the piston 60 is at an initial position. When the piston 60 moves down from the initial position to leave the press part 80, the lower seal piece 61a is further pressed against the inner peripheral surface of the cylinder body 20, and the upper seal piece 61b rotates to leave the inner peripheral surface of the cylinder body 20.SELECTED DRAWING: Figure 1
Owner:YOSHINO KOGYOSHO CO LTD

A tube handling robot gripper device capable of gripping only a single string

The present application relates to a kind of pipe string manipulator clamp device capable of only grabbing single tubular column, belong to the tubular column automatic technology field of oil and gas drilling equipment.The clamp device is by increasing the main finger driving hydraulic cylinder piston guide mechanism, lateral load is borne by guide mechanism, avoid the radial load that main finger driving hydraulic cylinder piston rod is subjected to, improve the service life of main finger driving hydraulic cylinder and the security of clamp device operation;Increase the pipe blocking mechanism driven by connecting rod assembly in the clamp device, when main finger driving hydraulic cylinder is contracted to the shortest, the maximum size of jaw depth space, can realize the clamp device holding maximum diameter pipe column, when main finger driving hydraulic cylinder is stretched to the longest, the minimum size of jaw depth space, can realize the clamp device holding minimum diameter pipe column, realize the same clamp can hold pipe column of different diameter function, ensure that the clamp cannot simultaneously hold the condition of two pipe columns, realize the purpose of fully automated mechanical hand pipe string operation.
Owner:CNOOC ENERGY DEV EQUIP TECH +1

Swivel Angle Measuring Device on a Hydrostatic Axial Piston Machine with Variable Stroke Volume

A swivel angle measuring device is configured to indirectly sense a swivel angle of a swashplate or cylinder drum of an axial piston machine. The swivel angle is adjustable using an adjustment piston guided in an adjustment cylinder. The swivel angle measuring device includes a movable encoder and a transducer affixed to a housing. The encoder is formed by two permanent magnets that are carried linearly and translationally by the adjustment piston along its direction of movement and that have a distance to one other.
Owner:ROBERT BOSCH GMBH

Integrated air injection device body, module and system

The invention relates to a one-piece air injection device body (2), comprising: a pressure chamber (3), which encloses a piston guide (20) for receiving a piston (22) and a valve seat (15) for the piston (22); an interface (10) for a control unit (30) for controlling the position of the piston (22); and an air outlet (14). It is provided that the air injection device body (2) further comprises at least two further connections (12) for further air injection devices (4). The invention further relates to an air injection device (4) having such an air injection device body (2) and to an air delivery and / or cleaning module (6).
Owner:AGRIMA BULK MATERIALS TECHNOLOGY GMBH & CO KG

Flowing type self-balancing floating bottom cylinder

The utility model relates to the technical field of sole pressing machines, and discloses a flowing type self-balancing floating bottom cylinder which comprises an oil cylinder body of a cuboid structure, a plurality of independent oil cavities are formed in the oil cylinder body side by side in the length direction, oil cylinder openings are formed in the tops of the oil cavities, and the bottoms of adjacent oil cylinders are communicated through one or more oil guide channels. The side walls of the foremost oil cavity and the last oil cavity are each provided with an oil injection opening. A piston guide piece is installed on an oil cylinder opening, a piston rod penetrates upwards from the bottom of the piston guide piece, a fixing plate is arranged at the top end of the piston rod, the oil cylinder body is arranged to be of solid structures on the two sides of parallel oil cavities, guide rods are fixed to the bottoms of the two ends of the fixing plate respectively, the guide rods are movably inserted into guide holes formed in the solid structures, and reset springs are arranged on the guide rods in a sleeved mode. An accessory hydraulic control system and an external auxiliary software and hardware system in a traditional scheme are omitted, energy consumption and manufacturing cost are greatly reduced, the size is reduced, installation space is saved, and installation is more convenient.
Owner:福建鸿岳科技有限公司

All-plastic pressing pump

ActiveUS12667859B2Piston GuideActuator
Disclosed in the invention is an all-plastic pressing pump comprising: an actuator, an insert, a housing, a container cap, a piston guide, a pump ball, a spring, and a protective cover, made of plastic. The lower end of the piston guide is provided with a slidable sealing part that is inserted into the housing and slidably and sealing connected to the inner wall of the housing. The container cap has a central hole for the piston guide to pass through. A conical frustum sealing part is provided on the piston guide above the slidable sealing part, and the conical frustum sealing part forms a sealed connection with the side wall of the central hole when it bounces up. An air replenishment channel is disposed between the housing and the container cap. A liquid outlet channel and a switch structure are disposed between the actuator and the piston guide, and the switch structure opens the liquid outlet channel when the actuator is pressed down and blocks the liquid outlet channel when the actuator bounces up. A guide sleeve is provided on the top of the container cap and is upwardly sleeved on the outer side of the actuator. An anti-off protrusion is provided at the upper end of the guide sleeve. The actuator is provided with an anti-off hook that is capable of being hooked on the anti-off protrusion. The spring is disposed inside the guide sleeve and is pressed between the top of the actuator and the top of the container cap. The spring is a plastic spring tube with open upper and lower ends and a sealed side, and the structure thereof is simple.
Owner:MAJESTY HLDG CO LTD

Slow compression-expansion device with mechanical-liquid piston

A slow expansion compressor (1) of the mechanical liquid piston type comprises a liquid cylinder (8) which pivots about a tilt axis (9) and in which a hydraulic piston (10) is translated, which hydraulic piston is firmly fixed to a connecting rod (11) of a crank (26) connected to a crankshaft (24), the axis of rotation of which is parallel to the tilt axis (9), and a piston guide member (23) maintaining the connecting rod (11) and the hydraulic piston (10) always parallel to the hydraulic cylinder (8), both forming a variable hydraulic volume (12) filled with the working liquid (13), communicating with a gas and liquid reservoir (14) in which the heat exchange and accumulation member (16) is housed, the reservoir (14) and the liquid (13) form a variable pneumatic volume (2) in which the working gas (5) is compressed or expanded.
Owner:维亚内·拉比

V-shaped groove transmission mechanism

The invention provides a V-shaped groove transmission mechanism which comprises a transmission shaft provided with V-shaped grooves, balls and a piston guide rail, one end of the transmission shaft is provided with an external spline connected with a motor spindle, the middle of the transmission shaft is provided with four rows of V-shaped grooves, two rows of V-shaped grooves close to the external spline end form a pair, and the two rows of V-shaped grooves are symmetrically arranged on the two sides of the transmission shaft; two rows far away from the external spline end form a pair, and the two rows are symmetrically arranged on the two sides of the transmission shaft and form included angles with the pair of V-shaped grooves close to the external spline side; and the V-shaped groove is internally provided with the ball and is matched with the piston guide rail. According to the invention, stable transmission control can be realized.
Owner:BEIJING AEROSPACE TECH INST

A quick installation method for a pneumatic differential lock of an engineering vehicle chassis transfer case

The application relates to a quick mounting method of a pneumatic differential lock of an engineering vehicle chassis transfer case, when disassembled, a positioning bolt is extended into a threaded hole of a pneumatic shift fork plate from a through hole of a bearing seat, the position of the pneumatic shift fork plate is fixed, the pneumatic shift fork rod is rotated counterclockwise, the threads between the pneumatic shift fork rod and the pneumatic shift fork plate are separated, and the pneumatic shift fork rod is disassembled from a piston hole of the bearing seat, so that the easily-damaged piston guide ring, the piston O-shaped ring and the easily-fatigued compression spring are replaced. The pneumatic shift fork plate is fixed through external bolts, the easily-damaged parts of the differential lock can be disassembled without disassembling the whole machine, the operation is simple, the maintenance is quick, and the precision of the whole machine is not affected.
Owner:JIANGYIN TIANCHENG MASCH EQUIP CO LTD

A rotary lip balm device

ActiveCN224474166URatchetPiston Guide
This utility model discloses a rotating lip powder cream device, including an upper cover, a pen body, a knob sleeve, and a replacement component. The knob sleeve includes a knob seat and a lower toothed post. The replacement component includes a middle section, a sponge head, a dispensing head, a cotton head seat, a piston, a guide, an upper toothed post, and a screw. The guide is equipped with a reverse ratchet structure. The guide is equipped with positioning ribs, and the guide and the middle section are fixedly connected by the positioning ribs. This utility model adopts a bidirectional ratchet structure, which is novel and supports bidirectional rotation. Clockwise rotation dispenses the powder, while counterclockwise rotation prevents the powder from flowing back. The replacement component is fixed to the pen body with a snap-fit, allowing for easy replacement after use. This aligns with the environmental trend of green consumption, reduces long-term usage costs for consumers, and meets the dual needs of modern users for beauty tools in terms of functionality and sustainability. It also solves the technical problem that such products are often one-piece designs that are discarded after use.
Owner:NINGBO OUHUAN CONTAINER CO LTD

precision piston pump device

The present invention relates to a piston pump (1) comprising a piston guide (3) disposed at its end (10b), which is provided with an orifice (30) of a diameter corresponding to the rod diameter (D200) of the piston (20) and a shimming device (32) adapted to center the piston guide (3) on the pump body (10), a kit comprising several pistons and piston guides that can be mounted on the pump, and a method of pumping a liquid using such a piston pump. Figure for the abstract: Fig. 1
Owner:ABOUSALEH KHALED

Piston-housing unit, piston, housing and actuator operated by pressure medium

The utility model relates to a piston-housing unit (1) having a piston (2) and a housing (3) which extends along an axis (X) of the piston-housing unit (1), the piston (2) being designed to be movable parallel to the axis (X) and the piston (2) closing a cavity (4) in the housing (3), the piston-housing unit (1) has a cavity (4), the volume of which can be adapted in accordance with a displacement of the piston (2) parallel to the axis (X), and wherein the piston-housing unit (1) has a piston guide (5) arranged in the cavity (4). The utility model further relates to an actuator operated by a pressure medium, to a piston (2) and to a housing (3).
Owner:KB INTELLECTUAL PROPERTY GMBH & CO KG

Dispenser

To provide a two stage cylinder pressure accumulation type discharger capable of preventing a piston guide from being disengaged from a stem due to an impact such as falling.SOLUTION: A holding member 2a including a cylinder 2b, a piston 2c, an accumulator cylinder 2d, an accumulator piston 2e1, a discharge port 2e2, a stem 2e3, and a piston guide 2e, an internal flow path 2f, a biasing part, and an accumulator biasing part, 2g 2h, in the discharger in which a piston guide side 2e3 has a rod part 6 and the rod part 6 has a fitting part side 6a, the discharger 2 has a piston guide receiving part side 2c3, the piston guide receiving part side 2c3 has an elastic part side 2c4, and lowering of the piston guide side 6a with respect to a stem side 2e3 due to disengagement of the fitting part side 2e2 is suppressed by receiving the piston guide side 2e3 from below.SELECTED DRAWING: Figure 1
Owner:YOSHINO KOGYOSHO CO LTD

Bottle clamping device structure used in filling equipment

A bottle clamping device structure used in filling equipment comprises a filling machine used for liquid filling and an electric telescopic rod with a motor, the top of the inner side of the filling machine is fixedly connected with the electric telescopic rod, and the bottom of the electric telescopic rod is fixedly connected with a bottle clamping device; the bottle clamping device comprises a connecting rod, a guide metal shell is arranged on the outer side of the bottom of the connecting rod, an extrusion block is fixedly connected to the bottom of the connecting rod in a welded mode, an empty bin is formed in the inner side of the guide metal shell, a sliding block is slidably connected to the top of the empty bin, an elastic metal strip is fixedly connected to one end of the sliding block, and a piston is fixedly connected to the bottom of the elastic metal strip. A connecting pipe is arranged at the position, close to the bottom of the empty bin, of the guiding metal shell, a fixing ring is fixedly connected to the other end of the connecting pipe, an air bag is fixedly connected to the outer side of the fixing ring, and a rubber protruding point is fixedly connected to the outer side of the air bag. And the air bag is expanded immediately, so that the bottle opening is effectively prevented from being damaged.
Owner:GUANGDONG KELIHUAN BIOTECHNOLOGY CO LTD

An expander and stirling cryocooler

ActiveCN224413764UReduce processing costsReduce the risk of cylinder collisionPiston GuideRelative motion
The utility model belongs to refrigerating machine technical field, concretely provides an expander, including cold finger protection cylinder and the base connected in cold finger one end, the cold finger is inlaid with the cold accumulator of sliding, the cavity that base and cold finger enclose forms is equipped with the guide piston, one end of guide piston is fixedly connected with base, the other end sliding sleeve joint has guide cylinder, guide cylinder with cold accumulator is connected. The utility model provides this kind of expander of improvement guide piston and guide cylinder's relative motion structure, make guide cylinder move forward and backward relative to piston after being subjected to gas force, carry out gas compression and expansion to refrigerate, guide piston can be integrated with expander base and process, reduce processing cost. Simultaneously still can join magnetic force spring subassembly, replace leaf spring in axial direction and carry out the location, can effectively reduce the risk of cylinder collision.
Owner:WUHAN GAOXIN TECH

Modularized switching multi-gas flow measuring device

The invention relates to the field of gas flow detection, in particular to a modularized switching multi-gas flow measuring device which comprises an operation base, a module switching assembly and a positioning butt joint assembly, a movable control box is movably arranged at the upper end of the operation base through a lifting assembly, and the lifting assembly comprises a plurality of piston guide rods; a throttle pipe is horizontally arranged at the upper end of the operation base, so that the movable control box can move towards the throttle pipe, a pressure difference detection module is arranged at the upper end of the movable control box, and two switchable modularized pressure difference detection modules are arranged in the movable control box, so that when different gases need to be detected, the pressure difference detection modules can be switched according to the attributes of the gases needing to be detected; the proper pressure difference detection module is selected, then the pressure difference detection module is located in the center of the movable control box by switching pushing control of the telescopic rod, then the throttling pipe and the pressure difference detection module are rapidly structured under the cooperation effect of the lifting assembly and the positioning butt joint assembly, operation is easy, and the device is free of worry and convenient to use.
Owner:CATO ELECTRONICS (KUNSHAN) CO LTD

Non-prestressed blocking pressure relief cylinder and non-prestressed blocking deceleration system

This invention relates to the field of aircraft landing arresting devices, and discloses a non-preloaded arresting pressure relief cylinder and a non-preloaded arresting deceleration system, including a force-bearing rod, a main air cylinder, a piston, a guide rod, an upper baffle, a lower baffle, a one-way exhaust assembly, and a return air assembly. A piston is located at the lower end of the force-bearing rod, and the piston is fixedly connected to the rear end of the guide rod. The diameter of the front end of the guide rod is larger than the diameter of its rear end. The upper baffle is located inside the main air cylinder and has an upper limit flow hole. The diameter of the front end of the guide rod is equal to the diameter of the upper limit flow hole. The lower baffle is located at the lower end of the main air cylinder and has a one-way exhaust assembly and a return air assembly. Both the one-way exhaust assembly and the return air assembly are connected to the main air cylinder. The one-way exhaust assembly is used to discharge part of the gas inside the main air cylinder, and the return air assembly is used to fill the main air cylinder with gas. Compared with the prior art, this invention has the advantages of simple structure and high cost-effectiveness.
Owner:梁贤博 +1

Rapid impact type marking device

The utility model discloses a rapid impact type marking device which comprises an air cylinder body and a piston rod, an exhaust groove is formed in the piston rod and located in the air cylinder body, an air inlet and an air outlet which are arranged in the same row are formed in the air cylinder body, and the air inlet, the exhaust groove and the air outlet are communicated through air channels. A cylinder sealing cover plate is arranged on the cylinder main body and at the head part of the piston rod, a piston guide screw rod is arranged on the cylinder sealing cover plate, the tail part of the piston guide screw rod is connected with an exhaust groove, and a steel seal rod is arranged at the outer end part of the piston rod. And the piston rod can generate instantaneous inertia and strong driving force and impact force during working, so that the steel seal rod can quickly mark the surface of a product and clearly display the mark. The impact tool is simplified in structure, convenient to manufacture and maintain, low in cost and capable of being widely applied to a universal impact tool in a product identification process.
Owner:WENZHOU RUIMING IND

Precise guiding method and system for labyrinth compressor piston

The invention relates to the technical field of compressors, in particular to an accurate guiding method and system for a labyrinth compressor piston, and the method comprises the steps: obtaining deviation data of the piston in the operation process of the compressor piston and operation condition data of the compressor, analyzing the deviation data, and determining a piston guiding deviation characteristic index; based on the change of the compressor operation condition data, analyzing the significant degree of the influence of the compressor operation condition on the piston offset, and determining a piston guide control characteristic value in combination with the piston guide offset characteristic index; and based on the offset data and the compressor operation condition data, in combination with the piston guide control characteristic value, compressor piston guide control is conducted. According to the method, the guide deviation characteristics of the piston are identified, so that the guide control precision of the compressor piston is effectively improved.
Owner:ZHEJIANG QIANGSHENG COMPRESSOR MFG

Rapid detection tool for depth of groove of piston guide sleeve

The utility model provides a rapid detection tool for the depth of a groove of a piston guide sleeve, and belongs to the technical field of machinery. The problem that the depth of a groove of an existing piston guide sleeve is inconvenient to detect is solved. The rapid detection tool for the depth of the piston guide sleeve groove comprises a base, the top of the base is provided with a supporting mechanism, the bottom of the supporting mechanism is provided with a detection tool body, the supporting mechanism comprises a first vertical rod, the bottom of the first vertical rod is fixedly connected with the base, the surface of the first vertical rod is sleeved with a connecting block, and the front side of the top of the connecting block is connected with a second vertical rod in a penetrating mode. The bottom of the second vertical rod penetrates to the bottom of the connecting block and is fixedly connected with the testing fixture body, and the right side of the connecting block is connected with a first bolt and a second bolt in a penetrating manner. The tool facilitates the detection of the depth of the piston guide sleeve groove.
Owner:ZHEJIANG ZHONGYUAN IND TECHNOLOGY CO LTD

Piston-housing unit with piston guide

The application relates to a piston-housing unit (1) having a piston (2) and a housing (3) which extends along an axis (X) of the piston-housing unit (1), wherein the piston (2) is configured to be movable parallel to the axis (X) and the piston (2) encloses a cavity (4) in the housing (3), the volume of which can be adapted in response to a displacement of the piston (2) parallel to the axis (X), wherein the piston-housing unit (1) has a piston guide (5) arranged in the cavity (4). Furthermore, an actuator operated by a pressure medium, a piston (2) and a housing (3) are disclosed.
Owner:KB INTELLECTUAL PROPERTY GMBH & CO KG

Central separator device

The invention relates to a central separator device (1) for a hydraulic separation system (2) of a clutch system (3), in particular for a motor vehicle (4), comprising a central separator housing (5) having an annular central separator piston chamber (6) in which a central separator piston (8) is axially movably accommodated by means of a hydraulic fluid (7) which can be fed to the central separator piston chamber (6), wherein the central separator piston (8) has at least one central separator piston seal (9) which seals the central separator piston (8) relative to the central separator piston chamber (6), wherein the central separator piston (8) has at least one annular guide groove (10) which extends in the axial direction and which engages into a mating piston guide ring (11) which extends in the axial direction and is provided at the central separator housing (5) such that the central separator piston (8) is axially movably guided on the piston guide ring (11).
Owner:SCHAEFFLER HLDGCHINA

An integrated hydraulic chuck device

PendingCN122257670AEasy to installConvenient and quick clampingDrilling rodsDrilling casingsWell drillingPiston Guide
The application belongs to the technical field of petroleum drilling equipment, and discloses an integrated hydraulic chuck device, which comprises a shell, end covers, an adjusting mechanism and a clamping mechanism. The end covers are provided in two, and the two end covers are respectively detachably fixed at the two ends of the shell. The adjusting mechanism and the clamping mechanism are arranged in the interior of the shell. The adjusting mechanism comprises two piston guide blocks and two piston bodies. The two piston guide blocks are respectively fixedly connected with the two end covers. The piston bodies are respectively in sliding connection with the shell and the piston guide blocks. The clamping mechanism comprises two jaw seats and two jaw bodies. The two jaw seats are respectively fixedly connected with the two piston bodies. The two jaw seats are respectively provided with dovetail grooves. The jaw body is installed on the jaw seat through the dovetail groove. The two jaw bodies are oppositely arranged to form a clamping hole. The application has compact structure and convenient jaw replacement. During work, the drilling rod can be conveniently and quickly clamped and released, and the operation difficulty and the scratching risk are reduced.
Owner:CHINA NAT PETROLEUM CORP +1

A rocket self-feeding piston pump

This invention discloses a self-feeding piston pump for rockets, relating to the field of aerospace liquid rocket engine technology; it includes an integrated rotor assembly, a stator upper cover, a stator housing, and a stator lower cover; the rotor assembly integrates the rotor housing, differential piston, guide pin, output shaft, upper and lower bearings, and upper and lower rotary valve cores, which are locked together with fastening screws; the number of cylinders is 2-12, preferably 4 in this embodiment; the stator assembly is sealed and fixed to form a stationary housing, and a sealing valve sleeve is provided corresponding to the rotary valve core, with a crescent-shaped gas distribution groove inside the sealing valve sleeve; the rotary valve core achieves gas distribution through a venting channel that cooperates with the rotor venting hole; the output shaft is inserted into the upper rotary valve core. The rotor assembly is fixed in a blind hole, with upper and lower bearings installed at the upper and lower ends. The stator bearing housings are respectively located on the side of the upper stator cover near the output shaft through hole and on the side of the lower stator cover near the end face. The piston is driven by the high-pressure gas in the combustion chamber to reciprocate and deliver propellant. The motor assists in starting and generating electricity in a steady state. There is no upper limit to the pressure on the supply side of the combustion chamber. The upper pressure limit is determined only by the material strength of the combustion chamber and the pump body. It is preferentially adapted to 450bar~1000bar and detonation combustion conditions. It has the advantages of simple structure, high rotational accuracy, no upper limit to supply pressure, and high reliability. It is suitable for high-pressure propellant supply for liquid rocket engines.
Owner:尚世群

Piston type pressing device for bed layer materials of pressure swing adsorption tower

The utility model relates to the technical field of application of chemical equipment, in particular to a piston type pressing device for bed materials of a pressure swing adsorption tower, and aims to solve the problem that in the process of pressing bed material adsorbents in the pressure swing adsorption tower at present, a rigid pressing structure of a sieve plate and an air cylinder is generally adopted; and generally, the sieve plate is extremely easy to roll under the impact of the air flow, and finally, the bed layer material is leaked. According to the device, piston guide frames are additionally arranged on the circumferential sides of an upper sieve plate and a lower sieve plate, and a plurality of rubber piston rings which are tightly arranged are arranged between the piston guide frames and the inner wall of an adsorption tower, so that the upper sieve plate, the lower sieve plate and a sieve mesh are integrally compressed into a bed layer material when being impacted by relatively large air flow; the upper sieve plate, the lower sieve plate and the whole sieve mesh can flexibly shake along with the extension and retraction of the rubber piston ring, so that the phenomena of rollover and the like caused by rigid extrusion and collision of the whole sieve plates and the whole sieve mesh are effectively avoided, and the whole application efficiency of the pressure swing adsorption tower is further improved.
Owner:YAOJIE ELECTRIC COAL +1

Automobile part machining die capable of preventing overheating

The invention relates to the technical field of stamping metal, in particular to an automobile part machining die capable of preventing overheating, which comprises a main frame, an upper die, a base part, a lower die, an ejection part, a separation flow guide part, a heat conduction part and a lubricating part, the main frame comprises a lower seat plate, an upper seat plate, a gas transmission part, a guide pipe, a piston guide column, a guide groove and an elastic blocking piece; the lower seat plate and the upper seat plate are arranged in an up-and-down alignment mode, an air conveying part is installed on the lower side of the upper seat plate and comprises a ventilation frame pipe fixedly connected with the upper seat plate, the corners of the ventilation frame pipe communicate with a pair of air inlet valve pipes correspondingly, and the corners of the lower end face of the ventilation frame pipe communicate with guide pipes correspondingly. According to the automobile part machining die, the base part, the separation flow guide part, the heat conduction part, the ejection part and other structures are arranged, so that the automobile part machining die is automatically cooled through double cooling measures in the stamping machining process, power consumption does not need to be increased, and the die strength is not affected.
Owner:SUZHOU RUIYU MOULD IND CO LTD

Ash removal device utilizing thermal expansion of pressurizing medium to pressurize explosion

The invention provides an ash removal device utilizing thermal expansion of a pressurizing medium to pressurize explosion. The ash removal device comprises an air storage cylinder, an air inlet and explosion chamber and a piston, the air inlet end of the air cylinder is connected with external superheated steam, and the air outlet end is connected with the air inlet end of the air inlet and explosion chamber and provided with a throat. The air inlet end of the air inlet and explosion chamber is communicated with the throat; the air inlet end of the air inlet and explosion chamber is provided with a horn mouth, and the air outlet side of the horn mouth is connected with a shock wave guide cylinder. A piston guide cylinder and a pressurizing medium air inlet chamber cylinder are fixedly arranged in an inner cavity of the air inlet and explosion chamber; a slope opening is formed in the air inlet end of the piston guide cylinder. A pressurizing medium inlet connecting pipe is arranged at the air outlet end of the pressurizing medium air inlet chamber barrel; an inlet connecting pipe for heating superheated steam during mixing is arranged at the air outlet end of the piston guide cylinder; and the piston operates among the throat, the superheated steam inlet chamber and the pressurizing medium inlet chamber. The device is safe and reliable to use, economical, practical, capable of achieving continuous, rapid and multi-time explosion ash removal, good in ash removal effect, high in efficiency and wider in application range.
Owner:INST OF MECHANICS CHINESE ACAD OF SCI