CN114060449B - High-safety oil pressure damper for locomotive - Google Patents
High-safety oil pressure damper for locomotive Download PDFInfo
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- CN114060449B CN114060449B CN202210040963.9A CN202210040963A CN114060449B CN 114060449 B CN114060449 B CN 114060449B CN 202210040963 A CN202210040963 A CN 202210040963A CN 114060449 B CN114060449 B CN 114060449B
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- flexible waterproof
- sleeve
- cylinder body
- cavity
- piston rod
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 73
- 239000004744 fabric Substances 0.000 claims description 16
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 230000001939 inductive effect Effects 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000008602 contraction Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 20
- 238000001816 cooling Methods 0.000 description 19
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 10
- 239000010720 hydraulic oil Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000001965 increasing effect Effects 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/42—Cooling arrangements
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/362—Combination of sealing and guide arrangements for piston rods
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a high-safety oil pressure damper for a locomotive, which belongs to the field of oil pressure dampers, and is characterized in that a flexible waterproof sleeve and a sealing ring plate are driven to move through reciprocating telescopic motion of a piston rod to cause cooling water to flow and continuously enter and exit in the flexible waterproof sleeve and a heat exchange induced draft sleeve to cause the extension and contraction of the heat exchange induced draft sleeve.
Description
Technical Field
The invention relates to the field of oil pressure dampers, in particular to a high-safety oil pressure damper for a locomotive.
Background
The oil pressure vibration absorber is an important vibration attenuation component on primary suspension and secondary suspension devices of bogies (axles) of rolling stock (internal combustion locomotive and electric locomotive), subway stock, urban light rail stock and highway large-scale passenger stock, and achieves the purpose of vibration attenuation by stretching and compressing a piston rod to reciprocate to form hydraulic damping force.
The working principle is that when the frame (or the vehicle body) and the axle are vibrated to generate relative motion, the piston in the shock absorber moves up and down, and oil in the shock absorber cavity repeatedly flows into the other cavity (the lower cavity or the upper cavity) from one cavity (the upper cavity or the lower cavity) through different pores. At the moment, the friction between the hole wall and oil and the internal friction between oil molecules form damping force on vibration, so that the vibration energy of the automobile is converted into oil heat energy, and then the oil heat energy is absorbed by the shock absorber shell and is emitted into the atmosphere. Because of the existence of the piston rod, the oil pressure changes of the two cavities have certain difference, and at the moment, the oil in the oil storage cylinder can push the compensating valve to play a role in supplementing oil or accommodating redundant oil to the lower cavity.
At the tensile compression stroke in-process of oil pressure bumper shock absorber, the hydraulic oil temperature is constantly rising, and only partial pressure oil removes at cylinder body, oil-gas mixture intracavity, gives off to the external world through the cylinder body shell, and hydraulic oil is relatively poor with external environment's heat exchange, and the bumper shock absorber thermal diffusivity is lower, influences the security, stability and the life-span of bumper shock absorber easily. In addition, the piston rod is immersed in the hydraulic oil, the temperature of the hydraulic oil can be transferred to the piston rod, and the temperature of the piston rod is increased, so that the piston rod is cooled to indirectly dissipate the heat of the hydraulic oil, which is a feasible development direction.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a high-safety oil pressure damper for a locomotive, which drives a flexible waterproof sleeve and a sealing ring plate to move through the reciprocating telescopic motion of a piston rod to cause cooling water to flow, and continuously enters and exits from the flexible waterproof sleeve and a heat exchange induced draft sleeve to cause the extension and contraction of the heat exchange induced draft sleeve, wherein on one hand, a water storage sleeve filled with the cooling water is contacted with the outer end of the piston rod and carries out heat exchange with the outer end of the piston rod to realize the water cooling process of the piston rod, on the other hand, an induced draft cloth expands towards two sides along with the water storage sleeve, the area is increased, obviously stirring air in the moving process, realizing the air cooling process of the piston rod and the cylinder body, the cooling effect of the hydraulic oil is indirectly and effectively improved through the dual functions of air cooling and water cooling, so that the use safety and the stability of the hydraulic oil cooling device are improved.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a locomotive is with high security oil pressure bumper shock absorber, includes cylinder body and piston rod, piston rod sliding connection is in the one end of cylinder body, the one end fixedly connected with end post of cylinder body is kept away from to the piston rod, be equipped with a plurality of flexible waterproof covers between cylinder body and the end post, it is a plurality of flexible waterproof cover evenly distributed is in the outside of piston rod, the outer end sliding connection of piston rod has a plurality of rings, be connected with heat transfer induced air cover between flexible waterproof cover and the ring, the cavity has been seted up to the inside of cylinder body, the inside sliding connection of cavity has the seal ring board, the inside of flexible waterproof cover is equipped with the inner pull rod, the one end of inner pull rod extend to the inside of cavity and with the one end fixed connection of seal ring board, the inside packing of cavity has the cooling water, and the cooling water level is in the one side that the seal ring board is close to the inner pull rod.
Furthermore, the ends, far away from the sealing ring plate, of the flexible waterproof sleeve and the inner pull rod are fixedly connected with one end of the end post, one end, close to the sealing ring plate, of the flexible waterproof sleeve penetrates through the cylinder body and is communicated with the cavity, and the outer end of the flexible waterproof sleeve is fixedly connected with the inside of the cylinder body.
Furthermore, the diameter of the inner ring of the flexible waterproof sleeve is larger than that of the inner pull rod.
Furthermore, the heat exchange induced air sleeve comprises a water storage sleeve and induced air cloth, the water storage sleeve is connected to the outer end of the circular ring in a sliding mode, and the induced air cloth is fixedly connected between the water storage sleeve and the flexible waterproof sleeve.
Furthermore, a water guide sleeve is fixedly connected between the flexible waterproof sleeve and the water storage sleeve, two ends of the water guide sleeve penetrate through the flexible waterproof sleeve and the water storage sleeve respectively and are communicated with the interior of the flexible waterproof sleeve and the interior of the water storage sleeve, and the outer end of the water guide sleeve is fixedly connected with the outer end of the air guide cloth.
Furthermore, the water storage sleeve, the air guide cloth and the water guide sleeve are all made of inelastic flexible materials, and the outer end of the water storage sleeve is coated with a smooth coating.
Furthermore, a plurality of inclined air holes communicated with the outside are formed in the inner wall of the cavity, and the inclined air holes are located on one side, far away from the flexible waterproof sleeve, of the sealing ring plate.
Furthermore, the oblique wind hole is obliquely arranged along one side close to the piston rod, and the inner diameter of the oblique wind hole is gradually reduced along the direction far away from the cavity.
Furthermore, the outer end of the cylinder body is fixedly connected with a water pipe, the water pipe penetrates through the cylinder body and is communicated with the cavity, the cavity is located between the sealing ring plate and the flexible waterproof sleeve, and the outer end of the water pipe is in threaded connection with a sealing cover.
Further, still be equipped with a plurality of actuation ropes between cylinder body and the end post, the one end and the end post fixed connection of actuation rope, its other end runs through a plurality of rings in proper order and rather than inside fixed connection, and is a plurality of actuation rope is interval distribution with a plurality of heat transfer induced air cover on the same ring.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) according to the scheme, the flexible waterproof sleeve and the sealing ring plate are driven to move through the reciprocating telescopic motion of the piston rod, so that cooling water flows, and continuously enters and exits the flexible waterproof sleeve and the heat exchange air guide sleeve to cause the heat exchange air guide sleeve to extend and contract.
(2) When the piston rod stretches out, the end post can drive the sealing ring plate to move towards the direction close to the flexible waterproof sleeve, cooling water between the sealing ring plate and the flexible waterproof sleeve is pressurized and then enters the flexible waterproof sleeve, and the water guide sleeve is filled into the water storage sleeve, so that the water storage sleeve extends outwards along the circular ring.
(3) The oblique wind hole is used for maintaining the air pressure balance in the cavity, is convenient for smooth removal of sealing ring plate to, carry out shrink motion when the piston rod, cause the sealing ring plate to be close to the oblique wind hole, when gaseous in the cavity flows to the external world through the oblique wind hole, through the shape and the size change in oblique wind hole, make the air current along the direction slope and the quick outflow of being close to the piston rod, effectively improve the gas mobility around the whole cylinder body, further promote the radiating effect of fluid.
(4) The actuation cord has a dual function: firstly, the end posts can drive the circular rings to move along the piston rods by pulling the circular rings through the actuating ropes when the piston rods extend out, and under the condition that the power of the flexible waterproof sleeves is insufficient, the auxiliary circular rings and the heat exchange air inducing sleeves are uniformly dispersed to perform air cooling and water cooling effects on the piston rods; and secondly, the heat exchange air guide sleeves are isolated, so that the heat exchange air guide sleeves on the same circular ring are distributed approximately uniformly, and the situations of local extrusion and overlarge local gap are not easy to occur.
Drawings
FIG. 1 is an elongated perspective view of the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a perspective view of the present invention after it has been collapsed;
FIG. 4 is a schematic side view of the present invention after shrinking;
FIG. 5 is a schematic view of the structure at B in FIG. 4;
FIG. 6 is a schematic view of the structure at C in FIG. 4;
FIG. 7 is a schematic side view of the present invention in its collapsed configuration;
FIG. 8 is a schematic front view of the heat exchange air inducing sleeve according to the present invention when it is contracted;
FIG. 9 is a schematic front view of the heat exchange air inducing sleeve of the present invention in an extended state;
FIG. 10 is a schematic view of a partial front view of the heat exchange air jacket of the present invention in an extended configuration;
FIG. 11 is a perspective view of the present invention with the actuation cord installed;
fig. 12 is a schematic view of the structure at D in fig. 11.
The reference numbers in the figures illustrate:
the device comprises a cylinder body 1, a cavity 101, an inclined air hole 102, a piston rod 2, an end column 3, a flexible waterproof sleeve 4, a ring 5, a water storage sleeve 61, air guiding cloth 62, a water guiding sleeve 63, an inner pull rod 7, a sealing ring plate 8, a water pipe 9 and a driving rope 10.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
please refer to fig. 1 and 2, a high-safety oil pressure damper for a locomotive, comprising a cylinder body 1 and a piston rod 2, wherein the piston rod 2 is slidably connected to one end of the cylinder body 1, one end of the piston rod 2 far away from the cylinder body 1 is fixedly connected with an end post 3, a plurality of flexible waterproof sleeves 4 are arranged between the cylinder body 1 and the end post 3, the flexible waterproof sleeves 4 are uniformly distributed on the outer side of the piston rod 2, the outer end of the piston rod 2 is slidably connected with a plurality of rings 5, and a heat exchange air guide sleeve is connected between the flexible waterproof sleeves 4 and the rings 5.
Referring to fig. 4 and 5, a cavity 101 is formed inside the cylinder body 1, a sealing ring plate 8 is slidably connected inside the cavity 101, an inner pull rod 7 is arranged inside the flexible waterproof jacket 4, one end of the inner pull rod 7 extends into the cavity 101 and is fixedly connected with one end of the sealing ring plate 8, cooling water is filled inside the cavity 101, and the cooling water is located on one side, close to the inner pull rod 7, of the sealing ring plate 8.
The two one ends that keep away from sealed crown plate 8 of flexible waterproof jacket 4 and interior pull rod 7 all with the one end fixed connection of end post 3, the one end that flexible waterproof jacket 4 is close to sealed crown plate 8 runs through cylinder body 1 and communicates with each other with cavity 101, and the outer end of flexible waterproof jacket 4 and the inside fixed connection of cylinder body 1, the inner circle diameter of flexible waterproof jacket 4 is greater than the diameter of interior pull rod 7, when sealed crown plate 8 round trip movement in cavity 101, the cooling water in the cavity 101 can pass in and out between interior pull rod 7 and the flexible waterproof jacket 4, flexible waterproof jacket 4 adopts no elasticity flexible material to make, and its length is enough to adapt to the concertina movement of piston rod 2.
When the piston rod 2 performs reciprocating telescopic motion, the end post 3 can drive the inner pull rod 7 to move, on one hand, the end post 3 drives the flexible waterproof sleeve 4 to extend and retract outside the inner pull rod 7, so that the heat exchange air guide sleeves and the circular ring 5 move along the outside of the piston rod 2, and gaps among the plurality of heat exchange air guide sleeves are continuously changed, as shown in fig. 1 and 3; on the other hand, the inner pull rod 7 drives the sealing ring plate 8 to move in the cavity 101, so that cooling water flows, and continuously enters and exits the flexible waterproof sleeve 4 and the heat exchange induced draft sleeve to cause the heat exchange induced draft sleeve to extend and contract, as shown in fig. 8 and 9, heat exchange with the piston rod 2 is realized, meanwhile, the mobility of air near the piston rod 2 is effectively increased in the moving process, and the dual cooling effects of air cooling and water cooling are realized for the piston rod 2.
Referring to fig. 2, the heat exchange air inducing sleeve includes a water storage sleeve 61 and an air inducing cloth 62, the water storage sleeve 61 is slidably connected to the outer end of the circular ring 5, the air inducing cloth 62 is fixedly connected between the water storage sleeve 61 and the flexible waterproof sleeve 4, a water guiding sleeve 63 is fixedly connected between the flexible waterproof sleeve 4 and the water storage sleeve 61, two ends of the water guiding sleeve 63 respectively penetrate through the flexible waterproof sleeve 4 and the water storage sleeve 61 and are communicated with the inside of the two, the outer end of the water guiding sleeve 63 is fixedly connected with the outer end of the air inducing cloth 62, the water storage sleeve 61, the air inducing cloth 62 and the water guiding sleeve 63 are made of non-elastic flexible materials, so that the water storage sleeve can be conveniently extended and contracted, the outer end of the water storage sleeve 61 is coated with a smooth coating, so that the water storage sleeve can conveniently contact with the outer end of the piston rod 2, and abrasion is not easy to occur.
Referring to fig. 8 and 9, when the piston rod 2 moves in an extending manner, the end post 3 drives the sealing ring plate 8 to move in a direction close to the flexible waterproof jacket 4, the cooling water between the sealing ring plate 8 and the flexible waterproof jacket 4 is pressurized, then enters the flexible waterproof jacket 4, and is filled into the water storage jacket 61 through the water guide sleeve 63, so that the water storage jacket 61 extends outwards along the circular ring 5, and gradually assumes the state shown in fig. 9 and 10, on one hand, the water storage jacket 61 filled with the cooling water is in contact with the outer end of the piston rod 2, and performs heat exchange with the outer end of the piston rod 2, so as to achieve the water cooling process of the piston rod 2, on the other hand, as the water storage jacket 61 extends, the air guide cloth 62 expands towards both sides along with the water guide sleeve, so that the area increases, and in the moving process of the flexible waterproof jacket 4 with the heat exchange air guide sleeve and the circular ring 5, the flexible waterproof jacket 4 with a larger area can significantly stir the air, so as to effectively increase the fluidity of the air around the piston rod 2, the air cooling process of the piston rod 2 and the cylinder body 1 is realized.
Supplementary explanation: when the piston rod 2 contracts, the end post 3 gradually approaches the cylinder body 1, the inner pull rod 7 moves towards the inside of the cavity 101, the flexible waterproof sleeve 4 contracts on the outer side of the inner pull rod 7, the plurality of rings 5 approach each other and gather between the end post 3 and the cylinder body 1, and a person skilled in the art can reasonably set the number of the rings 5 by combining the use environment of the invention during specific implementation, so that the space distance between the contracted cylinder body 1 and the end post 3 is enough for storing the rings 5 and the heat exchange induced draft sleeve, and the reciprocating telescopic motion of the piston rod 2 is not easily hindered.
Referring to fig. 4 and 6, a plurality of oblique wind holes 102 communicated with the outside are formed in the inner wall of the cavity 101, the oblique wind holes 102 are located at one side of the sealing ring plate 8 far away from the flexible waterproof jacket 4, the oblique wind holes 102 are obliquely arranged along one side close to the piston rod 2, the inner diameter of the oblique wind holes 102 is gradually reduced along the direction far away from the cavity 101, the rate of the gas flowing to the outside through the inclined wind holes 102 can be increased, the inclined wind holes 102 serve to maintain the air pressure balance in the cavity 101, facilitate the smooth movement of the seal ring plate 8, and, when the piston rod 2 makes contraction movement, causing the seal ring plate 8 to approach the oblique wind hole 102, the gas in the cavity 101 flows out to the outside through the oblique wind hole 102, through the change of the shape and size of the inclined air holes 102, the air flow is inclined in the direction close to the piston rod 2 and rapidly flows out, as shown in fig. 7, the gas fluidity around the entire cylinder 1 is effectively improved, and the heat radiation effect of the oil is further promoted.
Referring to fig. 5, the outer end of the cylinder body 1 is fixedly connected with a water pipe 9, the water pipe 9 penetrates through the cylinder body 1 and is communicated with the cavity 101, the cavity 101 is located between the sealing ring plate 8 and the flexible waterproof sleeve 4, the outer end of the water pipe 9 is in threaded connection with a sealing cover, and since outside air can enter the cavity 101, tiny dust is easily adhered to the inner wall of the cavity 101 and then enters the cooling water, after the cooling water is used for a long time, the cooling water can be replaced through the water pipe 9, and supplementary explanation follows: the distance between the water pipe 9 and the oblique wind hole 102 is greater than the maximum extension length of the piston rod 2, that is, the maximum movement length of the sealing ring plate 8, so that the sealing ring plate 8 is always kept between the water pipe 9 and the oblique wind hole 102, and the cooling water is not easy to escape from the oblique wind hole 102.
Referring to fig. 11 and 12, a plurality of driving ropes 10 are further disposed between the cylinder body 1 and the end post 3, one end of each driving rope 10 is fixedly connected to the end post 3, the other end of each driving rope penetrates through the plurality of rings 5 in sequence and is fixedly connected to the inside of each ring, the plurality of driving ropes 10 are distributed at intervals with the plurality of heat exchange air guide sleeves on the same ring 5, and the driving ropes 10 have dual functions: firstly, the circular rings 5 are driven to move, when the piston rod 2 stretches out, the end column 3 pulls the circular rings 5 to move along the piston rod 2 through the driving rope 10, and under the condition that the flexible waterproof sleeve 4 is insufficient in power, the auxiliary circular rings 5 and the heat exchange induced draft sleeve are uniformly dispersed, so that the piston rod 2 is subjected to air cooling and water cooling; and secondly, the heat exchange air guide sleeves are isolated, so that the heat exchange air guide sleeves on the same ring 5 are distributed approximately uniformly, and the situations of local extrusion and overlarge local gap are not easy to occur.
The invention drives the flexible waterproof jacket 4 and the sealing ring plate 8 to move through the reciprocating telescopic motion of the piston rod 2, so as to cause the cooling water to flow, and continuously enters and exits the flexible waterproof jacket 4 and the heat exchange induced draft jacket, so as to cause the heat exchange induced draft jacket to extend and contract, on one hand, the water storage jacket 61 filled with the cooling water is contacted with the outer end of the piston rod 2, so as to perform heat exchange between the water storage jacket and the outer end of the piston rod 2, so as to realize the water cooling process of the piston rod 2, on the other hand, the induced draft cloth 62 is expanded to two sides along with the extension of the water storage jacket 61, so as to increase the area, and in the moving process of the flexible waterproof jacket 4 with the heat exchange induced draft jacket and the circular ring 5, the flexible waterproof jacket 4 with a larger area can obviously stir air, thereby effectively increasing the fluidity of the air around the piston rod 2, realizing the air cooling process of the piston rod 2 and the cylinder body 1, and indirectly and effectively improving the cooling effect of the hydraulic oil through the double actions of air cooling and water, thereby improving the use safety and stability of the invention.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a locomotive is with high security oil pressure bumper shock absorber, includes cylinder body (1) and piston rod (2), piston rod (2) sliding connection is in the one end of cylinder body (1), its characterized in that: one end of the piston rod (2) far away from the cylinder body (1) is fixedly connected with an end post (3), a plurality of flexible waterproof sleeves (4) are arranged between the cylinder body (1) and the end post (3), the flexible waterproof sleeves (4) are uniformly distributed on the outer side of the piston rod (2), the outer end of the piston rod (2) is connected with a plurality of circular rings (5) in a sliding way, a heat exchange air guide sleeve is connected between the flexible waterproof sleeve (4) and the circular rings (5), a cavity (101) is arranged in the cylinder body (1), a sealing ring plate (8) is connected in the cavity (101) in a sliding manner, an inner pull rod (7) is arranged in the flexible waterproof sleeve (4), one end of the inner pull rod (7) extends into the cavity (101) and is fixedly connected with one end of the sealing ring plate (8), cooling water is filled in the cavity (101), and the cooling water is positioned on one side of the sealing ring plate (8) close to the inner pull rod (7);
heat transfer induced air cover is including water storage cover (61) and induced air cloth (62), water storage cover (61) sliding connection is in the outer end of ring (5), induced air cloth (62) fixed connection is between water storage cover (61) and flexible waterproof cover (4), still fixedly connected with water guide sleeve (63) between flexible waterproof cover (4) and water storage cover (61), the both ends of water guide sleeve (63) run through flexible waterproof cover (4) and water storage cover (61) respectively and communicate with each other with the two is inside, the outer end of water guide sleeve (63) and the outer end fixed connection of induced air cloth (62).
2. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: the end of the flexible waterproof sleeve (4) and the end of the inner pull rod (7) far away from the sealing annular plate (8) are fixedly connected with one end of the end post (3), one end of the flexible waterproof sleeve (4) close to the sealing annular plate (8) penetrates through the cylinder body (1) and is communicated with the cavity (101), and the outer end of the flexible waterproof sleeve (4) is fixedly connected with the inside of the cylinder body (1).
3. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: the diameter of the inner ring of the flexible waterproof sleeve (4) is larger than that of the inner pull rod (7).
4. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: the water storage sleeve (61), the air inducing cloth (62) and the water guide sleeve (63) are all made of inelastic flexible materials, and the outer end of the water storage sleeve (61) is coated with a smooth coating.
5. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: the inner wall of the cavity (101) is provided with a plurality of inclined air holes (102) communicated with the outside, and the inclined air holes (102) are positioned on one side, away from the flexible waterproof sleeve (4), of the sealing ring plate (8).
6. The high-safety oil pressure damper for a locomotive according to claim 5, wherein: the inclined air hole (102) is obliquely arranged along one side close to the piston rod (2), and the inner diameter of the inclined air hole (102) is gradually reduced along the direction far away from the cavity (101).
7. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: the outer end fixedly connected with water pipe (9) of cylinder body (1), water pipe (9) run through cylinder body (1) and communicate with each other with cavity (101), cavity (101) are located between sealed crown plate (8) and flexible waterproof cover (4), the outer end threaded connection of water pipe (9) has sealed lid.
8. The high-safety oil pressure damper for a locomotive according to claim 1, wherein: still be equipped with a plurality of actuation ropes (10) between cylinder body (1) and end post (3), the one end and the end post (3) fixed connection of actuation rope (10), its other end run through a plurality of rings (5) in proper order and rather than inside fixed connection, it is a plurality of actuation rope (10) are interval distribution with a plurality of heat transfer induced air cover on same ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210040963.9A CN114060449B (en) | 2022-01-14 | 2022-01-14 | High-safety oil pressure damper for locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210040963.9A CN114060449B (en) | 2022-01-14 | 2022-01-14 | High-safety oil pressure damper for locomotive |
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| Publication Number | Publication Date |
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| CN114060449B true CN114060449B (en) | 2022-03-18 |
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| CN107630967A (en) * | 2017-10-23 | 2018-01-26 | 华东交通大学 | A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system |
| CN207554679U (en) * | 2017-10-23 | 2018-06-29 | 华东交通大学 | A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system |
| CN108612799A (en) * | 2018-07-12 | 2018-10-02 | 安徽思源三轻智能制造有限公司 | A kind of water-cooled automobile damper |
| CN109027103A (en) * | 2018-09-05 | 2018-12-18 | 慈溪市龙山汽配有限公司 | A kind of water-cooled automobile damping |
| CN210739238U (en) * | 2019-09-26 | 2020-06-12 | 天津兴起工贸有限公司 | Cooling system of automobile shock absorber |
| CN112253673A (en) * | 2020-10-30 | 2021-01-22 | 牛启辉 | Water-cooled automobile shock absorber ware |
| CN113236627A (en) * | 2021-04-28 | 2021-08-10 | 何德业 | Piston induced air heat dissipation type hydraulic cylinder |
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2022
- 2022-01-14 CN CN202210040963.9A patent/CN114060449B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB758798A (en) * | 1953-09-30 | 1956-10-10 | Groot Hansen Dahl | Improvements in or relating to hydraulic shock absorbers |
| BE901894A (en) * | 1985-03-07 | 1985-07-01 | Tilkens Lucien | Shock absorber for motorcycle swinging arm - has cooler jacket fitting around gas chamber and connected into engine coolant circuit |
| KR20080024666A (en) * | 2006-09-14 | 2008-03-19 | 현대자동차주식회사 | The s/abs cooling structure which uses an air |
| CN104196945A (en) * | 2014-09-02 | 2014-12-10 | 南阳淅减汽车减振器有限公司 | Water-cooled shock absorber |
| CN205780524U (en) * | 2016-07-11 | 2016-12-07 | 福建省晋江市东石耐特克机械有限公司 | A kind of motor cycle amortisseur |
| CN107630967A (en) * | 2017-10-23 | 2018-01-26 | 华东交通大学 | A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system |
| CN207554679U (en) * | 2017-10-23 | 2018-06-29 | 华东交通大学 | A kind of wind of automobile double Hydraulic shock absorber/water cooling combination cooling system |
| CN108612799A (en) * | 2018-07-12 | 2018-10-02 | 安徽思源三轻智能制造有限公司 | A kind of water-cooled automobile damper |
| CN109027103A (en) * | 2018-09-05 | 2018-12-18 | 慈溪市龙山汽配有限公司 | A kind of water-cooled automobile damping |
| CN210739238U (en) * | 2019-09-26 | 2020-06-12 | 天津兴起工贸有限公司 | Cooling system of automobile shock absorber |
| CN112253673A (en) * | 2020-10-30 | 2021-01-22 | 牛启辉 | Water-cooled automobile shock absorber ware |
| CN113236627A (en) * | 2021-04-28 | 2021-08-10 | 何德业 | Piston induced air heat dissipation type hydraulic cylinder |
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| Publication number | Publication date |
|---|---|
| CN114060449A (en) | 2022-02-18 |
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