CN114776718B - Universal coupling for loom - Google Patents
Universal coupling for loom Download PDFInfo
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- CN114776718B CN114776718B CN202210703917.2A CN202210703917A CN114776718B CN 114776718 B CN114776718 B CN 114776718B CN 202210703917 A CN202210703917 A CN 202210703917A CN 114776718 B CN114776718 B CN 114776718B
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- oil
- pipe
- communicated
- oil return
- connecting pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
- F16D3/38—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N23/00—Special adaptations of check valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N9/00—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent
- F16N9/02—Arrangements for supplying oil or unspecified lubricant from a moving reservoir or the equivalent with reservoir on or in a rotary member
Abstract
The invention relates to a universal coupling for a loom, which belongs to the technical field of transmission of looms and comprises a forked connecting pipe and a cross universal joint, wherein a lubricating mechanism is also connected between the forked connecting pipe and the cross universal joint, a piston mechanism is connected in the forked connecting pipe in a sliding manner and controls oil supply and oil return of the lubricating mechanism, an adjusting mechanism for controlling the lubricating direction is arranged in the cross universal joint and communicated with the lubricating mechanism, the technical problem that the universal coupling cannot bear high-strength radial strength under high load is solved, and the universal coupling can bear better load than a ball bearing, can keep a better angle for supplying lubricating oil in the rotating process of the universal coupling, so that the parts which rub with each other are lubricated, meanwhile, the contact area between the forked connecting pipe and the cross universal joint is increased by improving the structure of the cross universal joint, so that the technical effect of pressure intensity during rotation is reduced.
Description
Technical Field
The invention belongs to the technical field of transmission of weaving machines, and particularly relates to a universal coupling for a weaving machine.
Background
A loom, also known as a weaving machine, is a machine that arranges and combines cotton, hemp, wool, and other threads into a piece of cloth in a warp-weft structure. The history of the loom has been thousands of years, in thousands of years, the loom has been greatly developed, especially after the industrial revolution, various looms such as rapier loom, air jet loom, water jet loom, projectile loom, etc. have appeared, and these large-scale, mechanized, and intelligent looms gradually replace the original manual looms and are applied to the production of cloth.
The existing loom adopts a double-layer structure for improving the production efficiency, namely a transmission mechanism is divided into an upper layer and a lower layer, a universal coupling is used for connection, friction in the rotating process of the universal coupling is reduced, the problem is solved by arranging a bearing, the mode can play a role to a certain extent, but if the load is overlarge, the radial strength of the bearing is difficult to meet, and even the inner ring or the outer ring is broken because the pressure between a ball and the outer ring or the inner ring of the bearing is overlarge.
Therefore, in order to solve these problems, the present device provides a universal joint for a loom.
Disclosure of Invention
The invention aims to provide a universal coupling for a weaving machine, which solves the problem that the universal coupling cannot bear high-strength radial strength under high load.
In order to achieve the purpose, the invention provides a specific technical scheme of a universal coupling for a loom, which comprises the following steps:
the utility model provides a universal coupling for loom, includes forked connecting pipe and cross universal joint, forked connecting pipe rotates with two axostylus axostyles that the cross universal joint is relative to be connected, forked connecting pipe with still be connected with lubricating mechanism between the cross universal joint, the inside sliding connection of forked connecting pipe has piston mechanism, piston mechanism pass forked connecting pipe's tip to piston mechanism contacts with cross universal joint middle part, piston mechanism controls lubricating mechanism's fuel feeding and oil return, the inside of cross universal joint is equipped with the adjustment mechanism of control lubrication direction, adjustment mechanism with lubricating mechanism is linked together.
Further, the fork-shaped connecting pipe comprises a first oil inlet, a second oil inlet, a first oil outlet, a second oil outlet and a lubricating oil pipe, the first oil inlet and the second oil inlet are located on the same side of the barrel-shaped body of the fork-shaped connecting pipe, the piston mechanism divides the interior of the barrel-shaped body of the fork-shaped connecting pipe into two chambers, the first oil inlet and the second oil inlet are respectively communicated with one chamber, the first oil outlet and the second oil outlet are located at the end part of the fork-shaped connecting pipe, the first oil outlet is communicated with the chamber communicated with the first oil inlet through the lubricating oil pipe, the second oil outlet is communicated with a space communicated with the second oil inlet, one end of the lubricating oil pipe is fixed on the inner side of the first oil outlet, and the other end of the lubricating oil pipe is a free end; the oil sliding pipe is connected with the piston mechanism in a sliding mode, and the first oil outlet and the second oil outlet are communicated with the lubricating mechanism.
Further, the piston mechanism comprises a piston assembly and a spring, the spring is sleeved on the piston assembly, one end of the piston assembly slides in the fork-shaped connecting pipe, the other end of the piston assembly is in contact with the cross universal joint, and the spring is located on the outer side of the fork-shaped connecting pipe.
Further, the piston assembly comprises a piston head, a piston rod and an upper end cap, the piston head is fixed at one end of the piston rod, and the upper end cap is fixed at the other end of the piston rod; the piston head slides in the fork-shaped connecting pipe, the interior of the fork-shaped connecting pipe is divided into two chambers by the piston head, a through hole is formed in the piston head, the through hole is in sliding connection with the oil sliding pipe, the piston rod is in sliding connection with one end of the fork-shaped connecting pipe, and the upper end cap is in contact with the cross universal joint.
Further, the forked connecting pipe further comprises a first oil return port, a second oil return port and a forked lug frame, the first oil return port and the second oil return port are arranged on opposite side faces of the forked connecting pipe, the first oil return port is communicated with the inner space of the forked connecting pipe communicated with the second oil outlet, the second oil return port is communicated with the inner space of the forked connecting pipe communicated with the first oil outlet, the first oil return port is communicated with the lubricating mechanism, the second oil return port is communicated with the lubricating mechanism, the forked lug frame is provided with two oil return ports, the forked lug frame is arranged on one end face of the forked connecting pipe in parallel, and a hole is formed in the forked lug frame and communicated with the lubricating mechanism.
Further, the lubricating mechanism comprises a first oil outlet regulating valve, a second oil outlet regulating valve, a V-shaped oil supply pipe, an oil inlet pipe, an oil return ring, an oil return header pipe, an oil return three-way pipe, a first oil return check valve, a second oil return check valve, a first oil return pipe, a second oil return pipe and an oil inlet bearing ring, wherein the first oil outlet regulating valve is a three-way valve, the upper part of the first oil outlet regulating valve is communicated with the V-shaped oil supply pipe, the outlets of the first oil outlet regulating valve and the second oil outlet regulating valve are communicated through pipes, one end of the oil inlet pipe is communicated with the oil inlet bearing ring, the oil return ring is communicated with the oil return header pipe, the lower end of the oil return header pipe is communicated with the oil return three-way pipe, the first oil return check valve is communicated with the oil return three-way pipe, the second oil return check valve is connected with the other end of the oil return three-way pipe, one end of the first oil return pipe is communicated with the second oil outlet regulating valve and the two oil return check valve, the other end of the first oil return pipe is communicated with the first oil return port, one end of the second oil return pipe is communicated with the first oil return port, and the other end of the second oil return pipe is communicated with the first oil outlet regulating valve and the first oil return one-way valve; the oil outlet regulating valve I is communicated with the oil outlet I, the oil inlet bearing ring is connected with the oil inlet pipe, the oil inlet bearing ring is internally provided with an oil flowing groove, the oil flowing groove is communicated with the oil return ring, the oil outlet regulating valve II is communicated with the oil outlet II, the V-shaped oil supply pipe is communicated with the oil inlet pipe through a through hole in the fork-shaped lug frame, the oil inlet bearing ring is rotationally connected with the fork-shaped lug frame, and the oil inlet bearing ring is rotationally connected with the cross universal joint.
Furthermore, the oil inlet bearing ring comprises a rotating sleeve, two leakage-proof rings, oil inlet holes and two inner grooves, the rotating sleeve is cylindrical, the leakage-proof rings are fixed on the inner side of the rotating sleeve, the inner grooves are formed in the inner side of the rotating sleeve, the two inner grooves are distributed in a moving angle, and the inner grooves are communicated with the oil inlet holes; the oil inlet bearing ring is rotationally connected with the fork-shaped lug frame, the inner side of the rotating sleeve is rotationally connected with the cross universal joint, and the oil inlet hole is communicated with the oil inlet pipe.
Furthermore, the cross universal joint comprises four middle connecting blocks, four sliding surfaces and four cross outer shafts, the cross outer shafts are fixed on the middle connecting blocks, and the sliding surfaces are located in the middle of the cross outer shafts; the middle part of the cross outer shaft is provided with a through hole, the through hole is rotatably connected with the adjusting mechanism, and the sliding surface slides relative to the fork ear rack.
Further, an inclined oil flow sliding groove is formed in the outer side of the sliding surface, the oil flow sliding groove is adjacent to the fork-shaped lug frame, and the oil flow sliding groove is communicated with the oil return ring.
Further, adjustment mechanism includes end hook, helical gear and dwang, the one end at the dwang is fixed to the end hook, the helical gear with the other end of dwang meshes mutually, the end hook is equipped with four, and the end hook is fixed and is born the weight of the circle at the oil feed, the helical gear is in rotate in the middle part connecting block, the dwang is equipped with four, and the dwang is connected in the outer axle internal rotation of cross.
The invention has the advantages that:
the lubricating mechanism, the piston mechanism and the adjusting mechanism are arranged between the Y-shaped connecting pipe and the cross universal joint, so that the technical problem that the universal joint cannot bear high-strength radial strength under high load is solved, the load better than that of a ball bearing can be borne, a better angle for supplying lubricating oil can be kept in the rotating process of the universal joint, the parts which rub with each other are lubricated, meanwhile, the contact area between the Y-shaped connecting pipe and the cross universal joint is increased by improving the structure of the cross universal joint, and the technical effect of reducing the pressure during rotation is achieved.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic structural diagram of a cross universal joint 2 connecting two forked connecting tubes 1 according to the present invention;
FIG. 3 is a schematic view of the connection structure of the piston mechanism 4 and the forked connecting tube 1 according to the present invention;
FIG. 4 is a top view of the structure of FIG. 3;
FIG. 5 is a cross-sectional view of one of the universal couplings for looms of the construction of FIG. 4;
FIG. 6 is a BB cross-sectional view of the structure of FIG. 4;
fig. 7 is a schematic view of the connection of the lubricating mechanism 3 of the present invention to the forked connecting tube 1;
FIG. 8 is a schematic view of the other side of the structure of FIG. 7;
FIG. 9 is a schematic structural diagram of the lubricating mechanism 3 of the present invention;
FIG. 10 is another side view of the structure of FIG. 9;
FIG. 11 is a schematic structural view of an oil feed bearing ring 3-12 of the present invention;
FIG. 12 is another side schematic view of the structure of FIG. 11;
FIG. 13 is a front view of the structure of FIG. 11;
FIG. 14 is a CC cross-sectional view of the structure of FIG. 13;
FIG. 15 is a schematic view of the connection structure of the universal joint cross 2 and the adjusting mechanism 5 of the present invention;
FIG. 16 is a front view of the structure of FIG. 15;
FIG. 17 is a cross-sectional view DD for the structure of FIG. 16;
fig. 18 is a view of an extended connection of the forked connection tube 1 of the present invention;
the notation in the figure is:
a forked connecting tube 1; a first oil inlet 1-1; a second oil inlet 1-2; 1-3 of an oil outlet; oil outlets II 1-4; 1-5 parts of a slide oil pipe; 1-6 parts of an oil return opening; an oil return port II 1-7; 1-8 parts of fork ear frames; 1-9 parts of a connecting block; 1-10 connecting grooves; connecting pins 1-11; a cross universal joint 2; 2-1 of a middle connecting block; a sliding surface 2-2; 2-3 of a cross outer shaft; a lubricating mechanism 3; an oil outlet regulating valve I3-1; an oil outlet regulating valve II 3-2; 3-3 of a V-shaped oil supply pipe; 3-4 parts of an oil inlet pipe; 3-5 of an oil return ring; an oil return header pipe 3-6; 3-7 parts of an oil return three-way pipe; the first oil return check valve is 3-8; a second oil return check valve 3-9; 3-10 parts of a first oil return pipe; 3-11 parts of a second oil return pipe; 3-12 parts of an oil inlet bearing ring; 3-12-1 of a rotating sleeve; 3-12-2 parts of a leakage-proof ring; 3-12-3 parts of an oil inlet hole; inner grooves 3-12-4; a piston mechanism 4; a piston assembly 4-1; a piston head 4-1-1; a piston rod 4-1-2; an upper end cap 4-1-3; a spring 4-2; an adjusting mechanism 5; 5-1 of an end hook; 5-2 of a bevel gear; rotating the rod 5-3.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 and 2, a universal coupling for a loom includes a forked connection pipe 1 and a cross universal joint 2, the forked connection pipe 1 is rotatably connected with two opposite shaft rods of the cross universal joint 2, a lubrication mechanism 3 is further connected between the forked connection pipe 1 and the cross universal joint 2, a piston mechanism 4 is slidably connected inside the forked connection pipe 1, the piston mechanism 4 penetrates through the end portion of the forked connection pipe 1, the piston mechanism 4 is in contact with the middle portion of the cross universal joint 2, the piston mechanism 4 controls oil supply and oil return of the lubrication mechanism 3, an adjustment mechanism 5 for controlling the lubrication direction is arranged inside the cross universal joint 2, and the adjustment mechanism 5 is communicated with the lubrication mechanism 3. Through setting up piston mechanism 4 can utilize the reciprocating motion of piston, supply oil to among the lubricated mechanism 3, realize lubricated to the rotation between Y-shaped connecting pipe 1 and the cross universal joint 2, can supply the oil that rotates the position to lubricated mechanism 3 through setting up adjustment mechanism 5 and adjust in reverse to reduce pressure and friction between connecting pipe 1 and the cross universal joint 2.
As shown in fig. 3 to 6, the forked connecting pipe 1 includes a first oil inlet 1-1, a second oil inlet 1-2, a first oil outlet 1-3, a second oil outlet 1-4 and a lubricant pipe 1-5, the first oil inlet 1-1 and the second oil inlet 1-2 are located on the same side of the barrel-shaped body of the forked connecting pipe 1, the piston mechanism 4 divides the interior of the barrel-shaped body of the forked connecting pipe 1 into two chambers, the first oil inlet 1-1 and the second oil inlet 1-2 are respectively communicated with one chamber, the first oil outlet 1-3 and the second oil outlet 1-4 are located at the end of the forked connecting pipe 1, the first oil outlet 1-3 is communicated with the chamber communicated with the first oil inlet 1-1 through the lubricant pipe 1-5, and the second oil outlet 1-4 is communicated with the space communicated with the second oil inlet 1-2, one end of the oil sliding pipe 1-5 is fixed on the inner side of the oil outlet I1-3, and the other end of the oil sliding pipe 1-5 is a free end; the lubricating oil pipes 1-5 are connected with the piston mechanism 4 in a sliding mode, and the oil outlets I1-3 and the oil outlets II 1-4 are communicated with the lubricating mechanism 3. The piston mechanism 4 comprises a piston assembly 4-1 and a spring 4-2, the spring 4-2 is sleeved on the piston assembly 4-1, one end of the piston assembly 4-1 slides in a forked connecting pipe 1, the other end of the piston assembly 4-1 is in contact with a cross universal joint 2, the spring 4-2 is located on the outer side of the forked connecting pipe 1, the piston assembly 4-1 comprises a piston head 4-1-1, a piston rod 4-1-2 and an upper end cap 4-1-3, the piston head 4-1-1 is fixed at one end of the piston rod 4-1-2, and the upper end cap 4-1-3 is fixed at the other end of the piston rod 4-1-2; the piston head 4-1-1 slides in the fork-shaped connecting pipe 1, the piston head 4-1-1 divides the interior of the fork-shaped connecting pipe 1 into two chambers, a through hole is formed in the piston head 4-1-1 and is connected with the oil sliding pipe 1-5 in a sliding mode, the piston rod 4-1-2 is connected with one end of the fork-shaped connecting pipe 1 in a sliding mode, and the upper end cap 4-1-3 is in contact with the universal joint cross 2. The forked connecting pipe 1 further comprises two oil return ports I1-6, two oil return ports II 1-7 and forked lug frames 1-8, the oil return ports I1-6 and the oil return ports II 1-7 are arranged on opposite side surfaces of the forked connecting pipe 1, the oil return ports I1-6 are communicated with the inner space of the forked connecting pipe 1 communicated with the oil outlet II 1-4, the oil return ports II 1-7 are communicated with the inner space of the forked connecting pipe 1 communicated with the oil outlet I1-3, the oil return ports I1-6 are communicated with the lubricating mechanism 3, the oil return ports II 1-7 are communicated with the lubricating mechanism 3, the forked lug frames 1-8 are arranged on one end surface of the forked connecting pipe 1 in parallel, and holes are formed in the forked lug frames 1-8, said hole being in communication with said lubrication means 3. Lubricating oil can be added towards the interior of the forked connecting pipe 1 by arranging the oil port I1-1 and the oil inlet II 1-2, gas in the forked connecting pipe is discharged, an oil outlet is always arranged when the piston head 4-1-1 reciprocates by arranging the oil outlet I1-3, the oil outlet II 1-4 and the oil slide pipe 1-5, so that the lubricating oil is kept in a supply state, the piston assembly 4-1 is favorable to reset by arranging the spring 4-2, the middle connecting block 2-1 can be contacted by arranging the upper end cap 4-1-3 and moves along with the rotation of the middle connecting block 2-1, the piston head 4-1-1 is favorable to be pushed to move by the piston rod 4-1-2, and oil pumping is realized.
As shown in fig. 7 to 14, the lubricating mechanism 3 includes a first oil outlet regulating valve 3-1, a second oil outlet regulating valve 3-2, a V-shaped oil supply pipe 3-3, an oil inlet pipe 3-4, an oil return ring 3-5, an oil return header pipe 3-6, an oil return three-way pipe 3-7, a first oil return check valve 3-8, a second oil return check valve 3-9, a first oil return pipe 3-10, a second oil return pipe 3-11 and an oil inlet bearing ring 3-12, the first oil outlet regulating valve 3-1 is a three-way valve, the upper portion of the first oil outlet regulating valve 3-1 is communicated with the V-shaped oil supply pipe 3-3, the first oil outlet regulating valve 3-1 is communicated with the outlet of the second oil outlet regulating valve 3-2 through a pipe, one end of the oil inlet pipe 3-4 is communicated with the oil inlet bearing ring 3-12, the oil return ring 3-5 is communicated with an oil return header pipe 3-6, the lower end of the oil return header pipe 3-6 is communicated with the oil return three-way pipe 3-7, the first oil return check valve 3-8 is communicated with the third oil return three-way pipe 3-7, the second oil return check valve 3-9 is connected with the other end of the third oil return three-way pipe 3-7, one end of the oil return pipe I3-10 is connected with the oil outlet regulating valve II 3-2 and the oil return one-way valve II 3-9, the other end of the oil return pipe I3-10 is communicated with the oil return port II 1-7, one end of the oil return pipe II 3-11 is communicated with the oil return opening I1-6, and the other end of the oil return pipe II 3-11 is communicated with the oil outlet regulating valve I3-1 and the oil return one-way valve I3-8; the first oil outlet regulating valve 3-1 is communicated with the first oil outlet 1-3, the second oil inlet bearing ring 3-12 is connected with a second oil inlet pipe 3-4, the second oil inlet bearing ring 3-12 is provided with a rear oil flowing groove, the oil flowing groove is communicated with a second oil return ring 3-5, the second oil outlet regulating valve 3-2 is communicated with the second oil outlet 1-4, the V-shaped oil supply pipe 3-3 is communicated with the second oil inlet pipe 3-4 through a through hole on a fork-shaped lug frame 1-8, the second oil inlet bearing ring 3-12 is rotationally connected with the universal joint 2, the second oil inlet bearing ring 3-12 comprises a rotating sleeve 3-12-1, a leakage-proof ring 3-12-2, an oil inlet hole 3-12-3 and an inner groove 3-12-4, the rotating sleeve 3-12-1 is cylindrical, the leakage-proof ring 3-12-2 is fixed on the inner side of the rotating sleeve 3-12-1, two oil inlet holes 3-12-3 are arranged, the inner groove 3-12-4 is arranged on the inner side of the rotating sleeve 3-12-1, two inner grooves 3-12-4 are arranged, the two inner grooves 3-12-4 are distributed at a moving angle, and the inner grooves 3-12-4 are communicated with the oil inlet holes 3-12-3; the oil inlet bearing ring 3-12 is rotationally connected with the fork-shaped lug frame 1-8, the inner side of the rotating sleeve 3-12-1 is rotationally connected with the cross universal joint 2, and the oil inlet hole 3-12-3 is communicated with the oil inlet pipe 3-4. An oil outlet regulating valve I3-1 is arranged; the oil outlet regulating valve II 3-2 can regulate the size of oil pressure pumped out from the forked connecting pipe 1 and passes through the oil return pipe I3-10; the oil return pipe II 3-11 returns oil to the low-pressure cavity; the oil supply operation can be carried out on the rotating part by arranging the V-shaped oil supply pipe 3-3 and the oil inlet pipe 3-4, so that the mutual friction is reduced; the oil return ring 3-5 is arranged to receive the lubricated lubricating oil, and the lubricating oil passes through the oil return pipe II 3-11; the oil inlet bearing rings 3-12 return oil to the low-pressure oil cavity, the oil return three-way pipe 3-7 is arranged to realize the summary of the oil return, and the oil return is returned to the low-pressure oil cavity through the oil return one-way valve I3-8 and the oil return one-way valve II 3-9; the position between the two inner grooves 3-12-4 can bear the main contact pressure of the cross universal joint 2 and the bracket of the forked connecting pipe 1 through adjustment by arranging the oil inlet bearing rings 3-12, and oil is supplied to the inner part through the oil inlet hole 3-12-3, the pressure oil is released from the two inner grooves 3-12-4, a force pushing the cross universal joint 2 outwards is provided, this force reduces the friction between the universal joint cross 2 and the rotating sleeve 3-12-1, meanwhile, the position of the rotating sleeve 3-12-1 is well set before the device is used, the position between the rotating sleeve 3-12-1 and the fork ear rack 1-8 is kept unchanged, thereby reducing wear between the swivel housing 3-12-1 and the fork ear mount 1-8, i.e. between the main parts, such as the fork connection tube 1 and the universal joint cross 2.
As shown in fig. 15 to 17, the universal joint cross 2 comprises a middle connecting block 2-1, four sliding surfaces 2-2 and four cross outer shafts 2-3, the cross outer shafts 2-3 are fixed on the middle connecting block 2-1, and the sliding surfaces 2-2 are located in the middle of the cross outer shafts 2-3; the middle part of the cross outer shaft 2-3 is provided with a through hole, the through hole is rotatably connected with the adjusting mechanism 5, and the sliding surface 2-2 slides with the fork ear rack 1-8. The outer side of 2-2 sliding surfaces is provided with an inclined oil flow sliding groove, the oil flow sliding groove is adjacent to 1-8 fork-shaped lug frames, the oil flow sliding groove is communicated with 3-5 oil return rings, the adjusting mechanism 5 comprises an end hook 5-1, a bevel gear 5-2 and a rotating rod 5-3, the end hook 5-1 is fixed at one end of the rotating rod 5-3, the bevel gear 5-2 is meshed with the other end of the rotating rod 5-3, the end hook 5-1 is provided with four, the end hook 5-1 is fixed on the oil inlet bearing ring 3-12, the bevel gear 5-2 rotates in the middle connecting block 2-1, the rotating rod 5-3 is provided with four, and the rotating rod 5-3 is connected in a cross outer shaft 2-3 internal rotation mode. The sliding surface 2-2 is arranged, so that the contact area between the cross outer shaft 2-3 and the fork ear frames 1-8 can be increased, the pressure intensity is reduced, lubricating oil is utilized for lubrication, and the abrasion is reduced; the bevel gear 5-2 is arranged to drive the rotating rod 5-3 to rotate, and the rotating rod 5-3 drives the end hook 5-1 to rotate, so that the direction of the inner groove 3-12-4 of the oil inlet bearing ring 3-12 is synchronously adjusted.
As shown in fig. 18, the forked connecting tube 1 further comprises connecting blocks 1 to 9, connecting grooves 1 to 10 and connecting pins 1 to 11, wherein the connecting blocks 1 to 9 are positioned at the other end of the forked connecting tube 1, the connecting blocks 1 to 9 are matched with the connecting grooves 1 to 10 in shape, and the connecting pins 1 to 11 pass through holes in the connecting blocks 1 to 9 and the connecting grooves 1 to 10; the two fork-shaped connecting pipes 1 can be connected with each other by arranging the connecting blocks 1-9 and the connecting grooves 1-10, the two fork-shaped connecting pipes 1 are fixed by the connecting pins 1-11, and connecting columns matched with the connecting blocks 1-9 and the connecting grooves 1-10 in shape can be connected between the two fork-shaped connecting pipes 1, so that the working length can be prolonged, and different working conditions can be met.
The working principle is as follows: in the initial stage of use, lubricating oil is filled into the forked connecting pipe 1 through the first oil inlet 1-1 and the second oil inlet 1-2, the forked connecting pipe 1 connected with the cross universal joint 2 is rotated at multiple angles, the middle connecting block 2-1 of the cross universal joint 2 is rotated, and the piston mechanism 4 is pushed to move in a reciprocating mode, so that air in an oil pipe can be discharged into the forked connecting pipe 1 as far as possible, and is discharged through the first oil inlet 1-1 and the second oil inlet 1-2, and the air in the whole lubricating system is reduced; when the forked connecting pipe 1 at one end rotates, the forked connecting pipe 1 drives the cross universal joint 2 to rotate, and the cross universal joint 2 rotates to drive the other forked connecting pipe 1 connected with the cross universal joint to rotate, so that the work of the cross universal coupling is realized; in the working process, the cross universal joint 2 rotates around a shaft hole on the fork-shaped lug support 1-8, the middle connecting block 2-1 pushes the upper end cap 4-1-3 to move towards the inner direction of the fork-shaped connecting pipe 1, the upper end cap 4-1-3 pushes the piston rod 4-1-2 to move in the same direction, the piston rod 4-1-2 pushes the piston head 4-1-1 to move, lubricating oil in a space communicated with the oil inlet I1-1 sequentially passes through the lubricating oil pipe 1-5 and the oil outlet I1-3 and enters the oil outlet regulating valve I3-1, the pressure and the oil supply quantity of the oil supply at the rear section are regulated by regulating the oil outlet regulating valve I3-1 at the stage, namely after passing through the oil outlet regulating valve I3-1, the lubricating oil flows into the other part of the lubricating oil 4-1-1 through the oil return pipe II 3-11 and the oil return port I1-6 to flow into the other part of the oil outlet regulating valve I3-1-1 The space on one side is reduced along with the pressure of the piston head 4-1-1 moving towards the direction far away from the universal joint 2, the space on the other side is an oil pumping space; the other part of the oil flows continuously and flows into the oil inlet bearing ring 3-12 through the V-shaped oil supply pipe 3-3 and the oil inlet pipe 3-4, at the moment, the oil is divided into two parts which respectively flow into the two oil inlet holes 3-12-3 and flow into the inner groove 3-12-4, the inner groove 3-12-4 is axially arranged, so that the oil is coated on the cross outer shaft 2-3, a thrust is applied to the cross outer shaft 2-3, the contact between the cross outer shaft 2-3 and the rotating sleeve 3-12-1 is reduced, the mutual friction between the cross outer shaft 2-3 and the rotating sleeve 3-12-1 is reduced, before the rotating sleeve 3-12-1 is used, the direction of the rotating sleeve 3-12-1 is adjusted according to the distance and the angle between the input end and the output end, so that the end with the small distance between the two inner grooves 3-12-4 is positioned between the cross outer shaft 2-3 and the rotating sleeve 3-12 1, the maximum acting force range; oil liquid flows between the sliding surface 2-2 and the fork-shaped lug frame 1-8 through a gap between the cross outer shaft 2-3 and the rotating sleeve 3-12-1, and the radial part of the oil liquid can be accelerated by utilizing the inclined groove arranged on the sliding surface 2-2, so that the sliding surface 2-2 and the fork-shaped lug frame 1-8 are quickly not full of the oil liquid, and the friction between the sliding surface 2-2 and the fork-shaped lug frame is reduced; the radial area of the sliding surface 2-2 is larger than that of the cross outer shaft 2-3, so that the pressure between the sliding surface 2-2 and the fork ear frames 1-8 is reduced, and lubrication and antifriction are facilitated; the lubricating oil flows towards the oil return ring 3-5 along the sliding surface 2-2, after passing through the oil return main pipe 3-6, the lubricating oil flows into the oil return three-way pipe 3-7, flows into the oil return pipe two 3-11 through the oil return one-way valve one 3-8 and then returns to a low-pressure cavity in the forked connecting pipe 1, and the oil return one-way valve one 3-8 and the oil return one-way valve two 3-9 are arranged to enable the oil return to flow back to the low-pressure cavity at the time; along with the rotation of the forked connecting pipe 1, the piston mechanism 4 reciprocates, and the pressure lubricating oil alternately flows into the corresponding oil outlet regulating valve I3-1 and the corresponding oil outlet regulating valve II 3-2 through the oil outlet I1-3 and the oil outlet II 1-4, passes through the V-shaped oil supply pipe 3-3 and then supplies oil to a rotating part.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A universal coupling for a loom comprises a forked connecting pipe (1) and a cross universal joint (2), the forked connecting pipe (1) is rotationally connected with two shaft levers opposite to the cross universal joint (2), it is characterized in that a lubricating mechanism (3) is connected between the forked connecting pipe (1) and the cross universal joint (2), the interior of the forked connecting pipe (1) is connected with a piston mechanism (4) in a sliding way, the piston mechanism (4) penetrates through the end part of the forked connecting pipe (1), and the piston mechanism (4) is contacted with the middle part of the cross universal joint (2), the piston mechanism (4) controls the oil supply and the oil return of the lubricating mechanism (3), an adjusting mechanism (5) for controlling the lubricating direction is arranged in the cross universal joint (2), and the adjusting mechanism (5) is communicated with the lubricating mechanism (3);
the fork-shaped connecting pipe (1) comprises a first oil inlet (1-1), a second oil inlet (1-2), a first oil outlet (1-3), a second oil outlet (1-4) and a lubricating oil pipe (1-5), the first oil inlet (1-1) and the second oil inlet (1-2) are positioned on the same side of a barrel-shaped body of the fork-shaped connecting pipe (1), the piston mechanism (4) divides the interior of the barrel-shaped body of the fork-shaped connecting pipe (1) into two chambers, the first oil inlet (1-1) and the second oil inlet (1-2) are respectively communicated with one chamber, the first oil outlet (1-3) and the second oil outlet (1-4) are positioned at the end part of the fork-shaped connecting pipe (1), and the first oil outlet (1-3) is communicated with the chamber communicated with the first oil inlet (1-1) through the lubricating oil pipe (1-5), the oil outlet II (1-4) is communicated with a space communicated with the oil inlet II (1-2), one end of the lubricating oil pipe (1-5) is fixed on the inner side of the oil outlet I (1-3), and the other end of the lubricating oil pipe (1-5) is a free end; the lubricating oil pipe (1-5) is connected with the piston mechanism (4) in a sliding mode, and the oil outlet I (1-3) and the oil outlet II (1-4) are communicated with the lubricating mechanism (3);
the piston mechanism (4) comprises a piston assembly (4-1) and a spring (4-2), the spring (4-2) is sleeved on the piston assembly (4-1), one end of the piston assembly (4-1) slides in the fork-shaped connecting pipe (1), the other end of the piston assembly (4-1) is in contact with the cross universal joint (2), and the spring (4-2) is located on the outer side of the fork-shaped connecting pipe (1);
the piston assembly (4-1) comprises a piston head (4-1-1), a piston rod (4-1-2) and an upper end cap (4-1-3), the piston head (4-1-1) is fixed at one end of the piston rod (4-1-2), and the upper end cap (4-1-3) is fixed at the other end of the piston rod (4-1-2); the piston head (4-1-1) slides in the fork-shaped connecting pipe (1), the piston head (4-1-1) divides the interior of the fork-shaped connecting pipe (1) into two chambers, a through hole is formed in the piston head (4-1-1), the through hole is in sliding connection with the oil sliding pipe (1-5), the piston rod (4-1-2) is in sliding connection with one end of the fork-shaped connecting pipe (1), and the upper end cap (4-1-3) is in contact with the universal joint cross (2);
the forked connecting pipe (1) further comprises a first oil return port (1-6), a second oil return port (1-7) and forked lug frames (1-8), the first oil return port (1-6) and the second oil return port (1-7) are arranged on opposite sides of the forked connecting pipe (1), the first oil return port (1-6) is communicated with the inner space of the forked connecting pipe (1) communicated with the second oil outlet (1-4), the second oil return port (1-7) is communicated with the inner space of the forked connecting pipe (1) communicated with the first oil outlet (1-3), the first oil return port (1-6) is communicated with the lubricating mechanism (3), the second oil return port (1-7) is communicated with the lubricating mechanism (3), and the forked lug frames (1-8) are provided with two oil return ports, the fork-shaped ear frames (1-8) are arranged on one end surface of the fork-shaped connecting pipe (1) in parallel, and holes are arranged on the fork-shaped ear frames (1-8) and communicated with the lubricating mechanism (3);
the lubricating mechanism (3) comprises a first oil outlet regulating valve (3-1), a second oil outlet regulating valve (3-2), a V-shaped oil supply pipe (3-3), an oil inlet pipe (3-4), an oil return ring (3-5), an oil return main pipe (3-6), an oil return three-way pipe (3-7), a first oil return check valve (3-8), a second oil return check valve (3-9), a first oil return pipe (3-10), a second oil return pipe (3-11) and an oil inlet bearing ring (3-12), the first oil outlet regulating valve (3-1) is a three-way valve, the upper part of the first oil outlet regulating valve (3-1) is communicated with the V-shaped oil supply pipe (3-3), the outlets of the first oil outlet regulating valve (3-1) and the second oil outlet regulating valve (3-2) are communicated through a pipe, one end of the oil inlet pipe (3-4) is communicated with the oil inlet bearing ring (3-12), the oil return ring (3-5) is communicated with an oil return main pipe (3-6), the lower end of the oil return main pipe (3-6) is communicated with the oil return three-way pipe (3-7), the first oil return check valve (3-8) is communicated with the oil return three-way pipe (3-7), the second oil return check valve (3-9) is connected with the other end of the oil return three-way pipe (3-7), one end of the first oil return pipe (3-10) is connected with the second oil outlet adjusting valve (3-2) and the second oil return check valve (3-9) through a connecting cylinder, the other end of the first oil return pipe (3-10) is communicated with the second oil return opening (1-7), one end of the second oil return pipe (3-11) is communicated with the first oil return opening (1-6), and the other end of the second oil return pipe (3-11) is communicated with the first oil outlet adjusting valve (3-1) and the first oil return check valve (3-11) -8) are in communication; the oil outlet regulating valve I (3-1) is communicated with the oil outlet I (1-3), the oil inlet bearing ring (3-12) is connected with an oil inlet pipe (3-4), a rear oil flowing groove is formed in the oil inlet bearing ring (3-12), the oil flowing groove is communicated with an oil return ring (3-5), the oil outlet regulating valve II (3-2) is communicated with the oil outlet II (1-4), the V-shaped oil supply pipe (3-3) is communicated with the oil inlet pipe (3-4) through a through hole in a fork-shaped lug frame (1-8), the oil inlet bearing ring (3-12) is rotationally connected with the fork-shaped lug frame (1-8), and the oil inlet bearing ring (3-12) is rotationally connected with the cross universal joint (2);
the oil inlet bearing ring (3-12) comprises a rotating sleeve (3-12-1), a leakage-proof ring (3-12-2), an oil inlet (3-12-3) and an inner groove (3-12-4), the rotating sleeve (3-12-1) is cylindrical, the leakage-proof ring (3-12-2) is fixed at the inner side of the rotating sleeve (3-12-1), two oil inlet holes (3-12-3) are arranged, the inner groove (3-12-4) is arranged at the inner side of the rotating sleeve (3-12-1), two inner grooves (3-12-4) are arranged, the two inner grooves (3-12-4) are distributed at a moving angle, and the inner grooves (3-12-4) are communicated with the oil inlet holes (3-12-3); the oil inlet bearing ring (3-12) is rotationally connected with the fork-shaped ear rack (1-8), the inner side of the rotating sleeve (3-12-1) is rotationally connected with the cross universal joint (2), and the oil inlet hole (3-12-3) is communicated with the oil inlet pipe (3-4).
2. The universal coupling for weaving machines according to claim 1, characterized in that the universal joint cross (2) comprises a middle connecting block (2-1), four sliding surfaces (2-2) and four cross outer shafts (2-3), the cross outer shafts (2-3) are fixed on the middle connecting block (2-1), and the sliding surfaces (2-2) are located in the middle of the cross outer shafts (2-3); a through hole is formed in the middle of the cross outer shaft (2-3), the through hole is rotatably connected with the adjusting mechanism (5), and the sliding surface (2-2) slides relative to the fork-shaped ear rack (1-8).
3. The universal joint according to claim 2, characterized in that, the outside of the sliding surface (2-2) is provided with inclined oil flow chutes adjacent to the fork lugs (1-8), the oil flow chutes communicating with the oil return ring (3-5).
4. The universal coupling for the weaving machine according to claim 3, characterized in that the adjusting mechanism (5) comprises end hooks (5-1), bevel gears (5-2) and rotating rods (5-3), wherein the end hooks (5-1) are fixed at one end of the rotating rods (5-3), the bevel gears (5-2) are meshed with the other end of the rotating rods (5-3), four end hooks (5-1) are provided, the end hooks (5-1) are fixed on oil inlet bearing rings (3-12), the bevel gears (5-2) rotate in the middle connecting block (2-1), four rotating rods (5-3) are provided, and the rotating rods (5-3) are rotatably connected inside cross outer shafts (2-3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210703917.2A CN114776718B (en) | 2022-06-21 | 2022-06-21 | Universal coupling for loom |
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| CN202210703917.2A CN114776718B (en) | 2022-06-21 | 2022-06-21 | Universal coupling for loom |
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| CN114776718B true CN114776718B (en) | 2022-09-06 |
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| GB1308890A (en) * | 1972-02-08 | 1973-03-07 | Cam Gears Ltd | Integral power assisted steering gear |
| EP0903473B1 (en) * | 1997-09-22 | 2004-03-03 | Wärtsilä Schweiz AG | Diesel engine and operating method therefor |
| CN206144792U (en) * | 2016-07-04 | 2017-05-03 | 黄树坚 | Shaft type universal shaft coupling rotary piston compressor of cross |
| JP7103319B2 (en) * | 2019-08-09 | 2022-07-20 | トヨタ自動車株式会社 | Power transmission device |
| CN211314890U (en) * | 2019-09-26 | 2020-08-21 | 湖北军翔信息技术有限公司 | Wear-resistant universal joint fork for commercial vehicle |
| CN211843960U (en) * | 2020-03-09 | 2020-11-03 | 徐州科源液压股份有限公司 | Motor transverse hydraulic flat transport vehicle axle |
| CN213117195U (en) * | 2020-07-30 | 2021-05-04 | 萍乡市志和传动科技有限公司 | Cross shaft connecting device with self-adjusting function |
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