50results about How to "Easy to move axially" patented technology

The invention discloses an axial rotational flow stepless regulation low-nitrogen combustor in the field of combustors. The combustor comprises an oil gun, a center air pipe, a gas pipe, a coal air pipe and an axial flow air pipe which are arranged from inside to outside in a sleeved manner; a gas channel is formed between the gas pipe and the center air pipe, a rotational flow air adjusting mechanism is arranged in the gas channel and comprises a plurality of rotational flow air adjusting fan plates evenly arranged on the periphery of the center air pipe, the rotational flow air adjusting fan plates are mounted on the periphery of the center air pipe through positioning screws, and can swing around the positioning screws, the tails of the rotational flow air adjusting fan plates are connected to a rotational flow air adjusting ring through flexible shafts, the rotational flow air adjusting ring is rotatably arranged on the periphery of the center air pipe in a sleeving manner, and the tail of the rotational flow air adjusting ring is connected with a first adjusting rod used for controlling the rotational flow air adjusting ring to rotate. The rotational flow air outlet air speed adjusting and blade angular stepless adjusting are achieved, the combustor meets the requirements of different stations for the rotational flow strength and the rotational flow angle of the combustor, and the combustor can be used for work of combustion of various kinds of industrial furnaces.

The invention discloses an inward-opening type adjustable anti-theft door locking bolt which comprises a screw (2), a handle (3), a compression spring (6), a stopping block (7), a shaft (8) and a door bolt head (9). An adjusting sleeve (5) is sleeved on the shaft (8) and fixedly connected with a fixed sleeve (4) through threads, an inner hole of the adjusting sleeve (5) is in clearance fit with the shaft (8), an external thread is arranged on the adjusting sleeve (5) and is a fine thread, a circular groove (11) is arranged in the inner hole of the adjusting sleeve (5), and the fixed sleeve (4) is provided with an inner hole thread which is a fine thread. The inward-opening type adjustable anti-theft door locking bolt is simple in structure, easy to assemble, adjustable in spring force, reliable to operate, easy to unlock and long in service life.

The invention relates to the field of adhesive production devices, in particular to a synthetic adhesive cutting machine. The synthetic adhesive cutting machine comprises an upper shell and a lower shell, wherein the upper shell is arranged above the lower shell. The synthetic adhesive cutting machine is characterized in that the upper end of the upper shell is connected with a feeding hopper, a circular cavity is formed between the upper shell and the lower shell, a rotor is arranged in the circular cavity and is provided with blades, a plurality of fixed cutters are arranged between the upper shell and the lower shell and are provided with mounting holes, the fixed cutters are connected with the lower shell through locating pins, the diameter of each locating pin is smaller than that of each mounting hole, the outer side of each fixed cutter is connected with a regulating screw for regulating each fixed cutter, an annular sieve is arranged at the lower end of the circular cavity and is provided with holes, a discharge hole is formed in the lower end of the lower shell, and the lower ends of the holes are connected with an insulator jetting device. The synthetic adhesive cutting machine has the advantages that the production cost is low, the structure is simple, and the synthetic adhesive is cut uniformly.

An airbag capable of autoinflation underwater is designed in the invention. The airbag comprises a gas cylinder housing (1), a spring (2), a valve inner-nozzle (3), a reinforced sleeve (4), a valve bushing (5), a locating slot (6), a jackscrew (7), a sealing ring (8), a thread sleeve (9) and an airbag (10). When a gas cylinder is filled with high pressure gas, the locating slot (6) is filled with a whole piece of edible rock sugar, and the outside of the locating slot is sealed up with paraffin. The jackscrew (7) is screwed. Before the gas cylinder is poured into water to carry out air inflation work, a small hole is poked in the paraffin seal outside the locating slot (6) according to the sinking depth underwater. Then, the jackscrew is screwed down, and the gas cylinder and the airbag are poured into water. After the rock sugar in the locating slot (6) is dissolved in water, the spring (2) pushes the valve inner-nozzle (3) to move outward for a distance L. The valve inner-nozzle (3) is communicated with a venthole in the valve bushing (5), and high pressure gas in the gas cylinder is automatically ejected to inflate the airbag.

The invention discloses an adjustable fracture repository that comprises a first guide rod, a second guide rod and a first semi-ring fixing plate; one side of the first guide rod is movably connectedwith a first semi-ring fixing plate; one side of the first semi-ring fixing plate is movably connected with a second guide rod; the top of the first guide rod is connected with a first semi-annular needle base in a penetrating mode. One side of the bottom of the first guide rod is movably connected with a second semi-ring fixing plate; the top of the second semi-ring fixing plate is fixedly connected with a second semi-ring needle seat; a needle seat sliding groove is formed in the second semi-ring needle seat; a user can rotate the rotary screw cap to loosen the connection between the needleholder and the needle seat sliding groove, the needle holder is manually moved to a fixed position, so that the needle holder moves in the needle seat sliding groove, and the insertion position of theneedle piece is conveniently adjusted; the connecting plate is vertically arranged in the middle of the semi-arc plate, so that a user can conveniently adjust the angle of the needle holder in sequence according to the position of the connecting plate, and the invention is suitable for bone fracture reduction and has a wide development prospect in the future.

The invention relates to the field of agricultural harvesting machinery, and particularly discloses a threshing device which comprises a left wall plate, a right wall plate and cleaning facilities, wherein the left wall plate and the right wall plate are fixed on the main body of a harvesting machine or a reaping machine; the cleaning facilities are arranged on the left wall plate and the right wall plate; a drum shaft is arranged between the left wall plate and the right wall plate, and sleeved by a spike-tooth drum; a concave plate screen is arranged below the spike-tooth drum; screen holes are formed in the concave plate screen; the concave plate screen is connected between the left wall plate and the right wall plate, and totally covers the spike-tooth drum; the spike-tooth drum is sleeved by a housing; the housing is a hollow cylinder with openings formed in the side surface; radial bulges and leaks are formed on and in both the inner wall and the outer wall on the side surface of the housing; the housing is connected onto the drum shaft, and can rotate around the drum shaft together with the spike-tooth drum.

The invention discloses a forward press type blood collection device which comprises a shell, a sliding sleeve and a needle body. The shell comprises an upper half shell body and a lower half shell body which are buckled. A needle head is arranged at the front end of the needle body. A first guide limiting channel where the sliding sleeve axially moves is arranged in an inner cavity of the shell and enables the front end of the sliding sleeve to stretch out of the shell. A second guide limiting channel where the needle body axially moves is arranged in the sliding sleeve. The needle body is provided with an elastic buckle used for abutting against the rear wall of the sliding sleeve during assembling. A disengagement protrusion which is used for enabling the elastic buckle on the needle body to be disengaged from the rear wall of the sliding sleeve and to enter the sliding sleeve when the front end of the sliding sleeve retracts into the shell is arranged in the shell. A spring used for pushing the needle body to move forwards so as to enable the needle head to pierce out of the shell from the front end of the sliding sleeve is connected between the needle body and the bottom of the inner cavity of the shell. The forward press type blood collection device is simple in structure, easy to obtain, convenient to assemble and safe to use, and is provided with a small number of components.

The invention relates to an uncoiling and discharging machine for coiled plates. A first drum shaft assembly and a second drum shaft assembly are transversely arranged at intervals in parallel; the first drum shaft assembly is rotatably mounted on a mounting support; two ends of the second drum shaft assembly are slidably mounted on the mounting support through bearing blocks; power pushing devices are mounted on the mounting support, and can push the second drum shaft assembly to move horizontally along the mounting support so as to be close to or away from the first drum shaft assembly; a rotation driving device is mounted on the mounting support; a driving gear is arranged at a driving end of the rotation driving device; an intermediate gear is arranged on the mounting support and is engaged with the driving gear; the first drum shaft assembly is provided with a driven gear; and the driven gear can move along the first drum shaft assembly in the axial direction so that the driven gear is engaged with or separated from the intermediate gear. The uncoiling and discharging machine for coiled plates has the advantages that the structure is simple, the first drum shaft assembly is adjusted to actively or passively discharge materials according to usage requirements, the distance between the first drum shaft assembly and the second drum shaft assembly is adjusted, and therefore, the uncoiling and discharging machine for coiled plates is flexible and convenient to use.

The invention relates to an automatic side wall separating mechanism of an electric connector. The side wall automatic separating mechanism comprises a plug and a socket, wherein the socket comprisesa socket shell and a locking pin, and the plug comprises an outer shell, a plug cable cover, a fixing frame and a plug shell; the plug cable cover is fixedly connected in the fixing frame, and a clamping hook matched with the locking pin is arranged on the outer shell. The automatic side wall separating mechanism of the electric connector is characterized in that the clamping hook is arranged on the outer shell and the locking pin is arranged on the socket, when the plug and the socket can be plugged, only the downward insertion force needs to be applied to the outer shell, when the plug is incontact with the socket, a locking block is subjected to upward pressure, a pressure spring is compressed, when a groove is matched with a moving end, a guide rod moves leftwards under the acting force of a spring, the outer shell moves leftwards along with the guide rod, and when the clamping hook on the outer shell clamps the locking pin, the plug and the socket can be locked. The automatic side wall separating mechanism has the advantages of being capable of automatically separating along with elasticity, high in reliability and convenient to use.

The invention discloses a welding chamber device. The welding chamber device comprises a shed chamber and a welding device, wherein the shed chamber is arranged in a channel, and the shed chamber comprises a frame and shed cloth attached to the frame; the welding device is arranged in the shed chamber, and the welding device comprises a ring body allowing a pipeline to penetrate through and a welding gun moving in the circumferential direction of the ring body, wherein the pipeline to be welded is in butt joint with the ring body, and the gun head of the welding gun faces the butt joint position of the pipeline so as to weld the pipeline. According to the welding chamber device, the shed chamber is additionally arranged, so that a safe operation space is provided for welding operation, andthe large influence on the welding operation due to channel collapse can be effectively avoided.

The invention provides a vertical cold isostatic press. The vertical cold isostatic press is characterized by comprising a high-pressure container and a seal end cover, wherein the high-pressure container is vertically arranged, and the top of the high-pressure container is open; the seal end cover is fixedly matched with the open end of the high-pressure container in a threaded manner, and the seal end cover comprises a threaded fixing seat and a seal seat which are arranged in a vertically split manner; the threaded fixing seat is fixedly matched with the high-pressure container in a threaded manner, and the seal seat is matched with the high-pressure container in a sealed manner; the threaded fixing seat can rotate independently relative to the seal seat, and an elastic mechanism is arranged between the threaded fixing seat and the seal seat; the elastic mechanism enables a certain separation gap to be formed between the threaded fixing seat and the seal seat, and the seal seat is connected to a connecting shaft penetrating through the center of the threaded fixing seat; and the connecting shaft is connected to a suspension mechanism enabling the seal end cover to be in a balance force state. By the adoption of the vertical cold isostatic press, on the basis of a horizontal type cold isostatic press, the situation that wear of a seal ring on the seal end cover is accelerated due to rotation is avoided, and meanwhile the vertical cold isostatic press is high in working stability, low in operation load, capable of being rapidly started and convenient to use.

The invention provides a speed changer and a harvester. The speed changer comprises a movable disc, a fixed disc, a sliding cam, a fixed cam, an elastic part used for resetting the relative position of the movable disc and the fixed disc, a support and an input shaft assembly, the movable disc is arranged on the fixed disc in an axial moving mode through the elastic part, so that the movable disc axially moves in the direction close to the fixed disc. The movable disc is fixedly connected with the sliding cam, the fixed disc is connected with the fixed cam, the sliding cam is meshed with the fixed cam and has the stroke of sliding relative to the axial direction, the input shaft assembly is rotatably arranged on the support, and one end of the input shaft assembly is connected with the fixed disc. The movable disc can move axially relative to the fixed disc, the distance between the movable disc and the fixed disc is adjusted in a self-adaptive mode, and the adaptability of the harvesting machine to different working conditions is improved.

The invention discloses a high pressure common rail fuel delivery pump with the adjustable pressure and flow rate. The pump comprises a regulating slide valve arranged on a high pressure end fuel channel in a pump body. The regulating slide valve comprises a slide valve body, a slide valve element, an overflow spring and a retaining plug. The slide valve body is fixed to the high pressure end fuelchannel and is a hollow pipe, wherein one open end of the hollow pipe communicates with the high pressure end fuel channel, and an oil draining hole is formed in the pipe wall of the hollow pipe andcommunicates with a low pressure end fuel input channel in the pump body. The slide valve element, the overflow spring and the retaining plug are sequentially arranged inside the hollow pipe. The slide valve element is a cylindrical piston. The slide valve element moves axially along the hollow pipe under the double effects of fuel pressure and the overflow spring, the opening and closing action of the oil draining hole and the opening section area of the oil draining hole are controlled, and the fuel pressure and flow rate are adjusted. According to the high pressure common rail fuel deliverypump provided by the invention, by arranging the regulating slide valve on the high pressure end fuel channel of the pump body, the high pressure end fuel pressure and flow rate are adjusted and controlled, a traditional ball valve structure is successfully replaced, and the energy consumption is reduced.

The invention discloses a cutting platform for glass fiber reinforced plastic products, and relates to the technical field of glass fiber reinforced plastic machining. The cutting platform comprises a supporting assembly, a scrap collecting assembly, positioning assemblies and clamping assemblies, wherein the supporting assembly specifically comprises a supporting top plate, a supporting cabinet body, a supporting bottom plate and footmaster wheels; and the scrap collecting assembly is centrally located on the inner side of the supporting cabinet body and used for collecting dust and scraps generated by cutting during cutting of the glass fiber reinforced plastic products, the positioning assemblies are symmetrically located on the left side and the right side of the supporting top plate and used for positioning the glass fiber reinforced plastic products during cutting of the glass fiber reinforced plastic products, and the clamping assemblies are symmetrically located on the left side and the right side of the supporting cabinet body and used for clamping the glass fiber reinforced plastic products when the glass fiber reinforced plastic products are cut. The cutting platform for the glass fiber reinforced plastic products has the advantages of being ingenious in design, reasonable in structure and convenient to use, the glass fiber reinforced plastic products can be rapidly positioned and rapidly clamped when cut, dust and scraps generated during cutting can be effectively collected, and manual participation is avoided.

The invention discloses a press type blood collection needle device which comprises a shell, a sliding sleeve and a needle body. A needle head is arranged at the front end of the needle body. A first guide limiting channel where the sliding sleeve axially moves is arranged in an inner cavity of the shell and enables the front end of the sliding sleeve to stretch out of the shell. A second guide limiting channel where the needle body axially moves is arranged in the sliding sleeve and enables the needle head to stretch out of the front end of the sliding sleeve. The needle body is provided with an elastic expanding arm which expands towards the front end of the inner cavity of the shell. The rear wall of the sliding sleeve is provided with a notch groove used for limiting the end of the elastic expanding arm during assembling. A disengagement rod which is used for enabling the elastic expanding arm on the needle body to be disengaged from the notch groove and to enter the second guide limiting channel when the front end of the sliding sleeve retracts into the shell is arranged in the shell. A spring used for pushing the needle body to move forwards so as to enable the needle head to pierce out of the shell from the front end of the sliding sleeve is arranged between the needle body and the bottom of the inner cavity of the shell. The press type blood collection needle device is simple in structure, easy to obtain, convenient to assemble and safe to use, and is provided with a small number of components.