CN115045145A - L-shaped hydraulic elastic damping device suitable for rail transit - Google Patents
L-shaped hydraulic elastic damping device suitable for rail transit Download PDFInfo
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- CN115045145A CN115045145A CN202210971363.4A CN202210971363A CN115045145A CN 115045145 A CN115045145 A CN 115045145A CN 202210971363 A CN202210971363 A CN 202210971363A CN 115045145 A CN115045145 A CN 115045145A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B19/00—Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
- E01B19/003—Means for reducing the development or propagation of noise
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The invention discloses an L-shaped hydraulic elastic damping device suitable for rail transit, belongs to the field of damping, and relates to an L-shaped hydraulic elastic damping device suitable for rail transit, the auxiliary cylinder body is horizontally connected to the bottom of the outer end wall of the vertically arranged main cylinder body, and the hydraulic oil is filled in the space communicated between the main cylinder body and the auxiliary cylinder body, so that an L-shaped structure is formed between the main cylinder body and the auxiliary cylinder body, and by means of the change of power direction transmission after the hydraulic oil is filled, so that the force in the up-and-down direction on the main telescopic rod can be converted into the force in the horizontal direction of the auxiliary telescopic rod, the buffer in the up-and-down direction of the main telescopic rod is transferred to the movement in the horizontal direction of the auxiliary telescopic rod, make the device can install in highly comparatively constrictive space, promoted the buffering shock attenuation suitability of the device in the rail transit trade to a certain extent.
Description
Technical Field
The invention relates to the field of shock absorption, in particular to an L-shaped hydraulic elastic shock absorption device suitable for rail transit.
Background
The damping device is an elastic structural member for absorbing and weakening impact force generated by vibration, and is widely applied to automobiles, rail transit and machine tool equipment bases in high-frequency vibration, the impact force caused by the vibration can be effectively weakened, and in the rail transit, the excellent damping device can effectively filter the vibration generated in the running process of the vehicle, so that the riding comfort in the running process of the vehicle is improved.
A damping device for among the prior art among the track traffic, it comprises the telescopic link that has the damping and the spring element who carries out elastic buffer usually, for guarantee damping device's elastic buffer performance, need reserve sufficient flexible space for the telescopic link in the damping device usually, or adopt the stronger spring cushion of elasticity, influenced by telescopic link movable length, lead to damping device to be difficult to vertically install in the comparatively narrow and small space of height on track traffic equipment/vehicle, if adopt the mode of slope installation, make the top atress dispersion easily, and then cause the influence to the stability of shock attenuation in-process equipment/vehicle.
To this end, we propose an L-shaped hydroelastic damping device suitable for rail transit to solve some of the problems of the prior art mentioned above.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an L-shaped hydraulic elastic damping device suitable for rail transit, wherein an auxiliary cylinder body is horizontally connected to the bottom of the outer end wall of a vertically arranged main cylinder body, hydraulic oil is filled in a space communicated between the main cylinder body and the auxiliary cylinder body, so that an L-shaped structure is formed between the main cylinder body and the auxiliary cylinder body, the force in the vertical direction on a main telescopic rod can be converted into the force in the horizontal direction of an auxiliary telescopic rod by virtue of the change of power direction transmission after the hydraulic oil is filled, the buffer in the vertical direction on the main telescopic rod is transferred to the movement in the horizontal direction of the auxiliary telescopic rod, so that the device can be installed in a space with a narrow height, and the buffer damping applicability of the device in the rail transit industry is improved to a certain extent.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
The utility model provides a L type hydroelasticity damping device suitable for track traffic, including the main cylinder body, the inside vertical the inserting of main cylinder body is equipped with the main telescopic link that extends to its upper end outside, and the lower extreme fixed mounting of main telescopic link has the main valve block of setting inside the main cylinder body, fixed intercommunication has the vice cylinder body with main cylinder body mutually perpendicular on the bottom outer end wall of main cylinder body, and the inside level of vice cylinder body inserts and is equipped with the vice telescopic link that extends to its outside, vice telescopic link is close to one of main cylinder body and serves fixed mounting and is set up the vice valve block inside the vice cylinder body, the outside movable sleeve of vice telescopic link is equipped with the spring, the both ends of spring support respectively between the inner endwall and the vice valve block that the main cylinder body was kept away from to the vice cylinder body one side, it is filled with hydraulic oil to communicate the position between main cylinder body and the vice cylinder body.
Further, the main cylinder body is set to be of a thick and short structure, and the auxiliary cylinder body is set to be of a long and thin structure.
Further, main valve block and vice valve block are close to the equal fixed mounting in one side end wall intermediate position department of main cylinder body bottom and are had the screw rod, the one end outside cover that the main cylinder body bottom was kept away from to the screw rod is equipped with metal seal ring, be located the inside metal seal ring outside size of main cylinder body and the inside size looks adaptation of main cylinder body, be located the inside metal seal ring outside size of vice cylinder body and the inside size looks adaptation of vice cylinder body, the screw rod is close to the one end outside cover of main cylinder body bottom and is equipped with the nut, main valve block/vice valve block, screw rod cooperation nut constitutes the annular that is used for installing metal seal ring.
Furthermore, the cross section of the metal sealing ring is of a U-shaped structure, the metal sealing ring is movably sleeved on the outer side of the screw rod, and the size of the inner side of the metal sealing ring is matched with the size of the outer side of the screw rod.
Further, the screw rod is equipped with the screw thread on being close to the one end outer end wall of main cylinder body bottom, and nut threaded connection encircles on the outer end wall of nut and offers a plurality of recesses for the circular arc type structure in the outside of screw rod.
Further, the equal threaded connection in outside of every screw rod has two nuts, evenly is equipped with on the one side outer end wall that two nuts are pressed close to each other and prevents that the antiskid grinds the line.
Further, the fixed intercommunication in position department has the internal thread interface below the outer end wall of main cylinder body, and the fixed intercommunication in one end that vice cylinder body is close to main cylinder body bottom has the external screw thread to take over, and external screw thread takes over threaded connection in the inside of internal thread interface, and the external screw thread takes over the bore that is close to main cylinder body one end and sets up to outside slope type structure, offers the slope structure with external screw thread take over bore department slope structure looks adaptation equally on the inner end wall of internal thread interface.
Furthermore, the internal thread interfaces are arranged in a plurality of numbers, the internal thread interfaces are uniformly distributed at the lower position of the outer end wall of the main cylinder body in a surrounding mode, and the internal thread interfaces which are not connected with the external thread connecting pipes are connected with screw caps in a threaded mode.
Further, fixed mounting has the fixed plate on the interior end wall of main cylinder body one side is kept away from to the external screw thread takeover, rotates between vice cylinder body and the external screw thread takeover and is connected with the change, and fixed mounting has the commentaries on classics board with the looks adaptation of fixed plate on the interior end wall of external screw thread takeover one side in close to the change, all sets up the through-hole of the mutual correspondence of encircleing the setting on fixed plate and the change board.
Furthermore, the appearance of the fixed plate and the rotating plate is set to be a cone-shaped structure which is mutually sleeved, the cone angle end of the fixed plate and the rotating plate is far away from the main cylinder body, a movable sleeve is fixedly connected between the auxiliary cylinder body and the external thread connecting pipe and sleeved on a connecting sleeve outside the rotating ring, and the top of the connecting sleeve is provided with a through groove.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through the outer end wall bottom position department with vice cylinder body horizontally connect at the main cylinder body of vertical setting, and fill hydraulic oil in the space of intercommunication between main cylinder body and the vice cylinder body, make and form L type structure between main cylinder body and the vice cylinder body, change to the power direction transmission after filling with the help of hydraulic oil, make the power of the upper and lower side direction that main telescopic link received can change back to the power of vice telescopic link horizontal direction, shift the ascending buffering of main telescopic link upper and lower side to the ascending removal of vice telescopic link horizontal direction, make the device can install in highly comparatively constrictive space, the buffering shock attenuation suitability of the device in the rail transit trade has been promoted to a certain extent.
(2) The appearance through with the main cylinder body sets up to thick short type structure to set up the appearance of vice cylinder body to long thin type structure, when making the main valve piece move less stroke in the main cylinder body is inside, under some removal conversion of hydraulic pressure, vice valve piece can move great stroke in the inside of vice valve piece, through the conversion that forms, can effectively enlarge the chooseing for use scope of spring, reduced the manufacturing cost of the device innerspring to a certain extent, and be favorable to ensuring the device's suitability extensive nature.
(3) The metal sealing ring is sleeved on the outer side of the screw rod, so that a double-layer sealing structure is formed among the main valve block/auxiliary valve block, the metal sealing ring and the inner end wall of the main cylinder body/auxiliary cylinder body, the probability that hydraulic oil is leaked outwards through a gap at the joint of the main valve block and the auxiliary valve block can be effectively reduced, and the working stability of the device is favorably guaranteed.
(4) Through setting up metal seal ring's cross-section into U type structure, it is equivalent to and obtains U type cross-section 360 rotatory around the rotation axis of screw rod, make metal seal ring's last lower extreme all have certain elastic deformation performance, with the help of its self elastic deformation performance, make metal seal ring's last lower extreme closely laminate on the both sides inner end wall of annular, cooperate its outer end wall closely laminate on the inner end wall of main cylinder body/vice cylinder body, the device's leakproofness has further been promoted, the effectual hydraulic oil that prevents leaks.
(5) Through the outside with nut threaded connection at the screw rod for the nut can be through rotatory dismantlement or installation from the screw rod, and the metal seal ring that can effectual promotion screw rod outside cover was established dismantles the simple operation of changing the in-process, has ensured the device later maintenance convenience to a certain extent.
(6) Through setting up two nuts in the outside of same screw rod, with the help of the frictional resistance after laminating between two threaded connection's in the same screw rod outside the nut, can effectual reduction lead to the nut from the not hard up probability on the screw rod because vibrations, simultaneously, through assembling the one side of laminating each other at two adjacent nuts with anti-skidding dull polish, can further promote the frictional resistance of contact surface between two adjacent nuts, and then the structural stability in the effectual guarantee the device use.
(7) Through the outer end wall lower position department with the fixed intercommunication of internal thread interface at main cylinder body, and with one of vice cylinder body close to main cylinder body serve be connected with the external screw thread takeover of internal thread interface screw thread adaptation, make vice cylinder body can carry out convenient dismantlement through the threaded connection between external screw thread takeover and the internal thread interface, the effectual device production that has ensured, the simple operation nature in the maintenance process, and simultaneously, all set up the inner end wall with internal thread interface and the bore department of external screw thread takeover to the slope structure of looks adaptation, can effectually promote the structural complexity of internal thread interface and external screw thread takeover junction, be favorable to reducing the probability of junction between internal thread interface and the external screw thread takeover including the hydraulic oil extrusion, the sealing performance of being connected between internal thread interface and the external screw thread takeover has been promoted to a certain extent.
(8) Through evenly surrounding a plurality of internal thread interfaces and assembling in the outer terminal wall lower position department of main cylinder body, can be according to the nimble mounted position who selects vice cylinder body of demand when using, simultaneously, can also be according to the nimble mounted quantity who selects vice cylinder body of demand when using, be convenient for adjust the device's structural condition in a flexible way according to the demand when in-service use, through with the spiral shell lid threaded connection inside the internal thread interface that is not connected with the external screw thread takeover, can carry out the shutoff to vacant internal thread interface, the effectual nimble stability of having ensured the device in the use.
(9) Through the inside with fixed plate fixed mounting at the external screw thread takeover to rotating the change that is connected with the corresponding commentaries on classics board fixed mounting of fixed plate between vice cylinder body and external screw thread takeover inside, correspond on cooperation fixed plate and the change and encircle a plurality of through-holes of seting up, can adjust the hydraulic oil flow state of filling between main cylinder body and the vice cylinder body through rotatory change, be convenient for fix or remove fixedly to the position of main telescopic link according to the demand when using, the effectual use flexibility that has promoted the device.
(10) Through setting up fixed plate and commentaries on classics board to the circular cone type structure that cup joints each other, can guide the hydraulic oil of flow in-process, avoid some flows of hydraulic pressure to receive the excessive influence of fixed plate and commentaries on classics board, and simultaneously, through with adapter sleeve fixed connection between vice cylinder body and external screw thread takeover, can avoid the device use in vice cylinder body rotatory, the effectual structural stability who ensures the device, in the use, the staff can carry out normal rotation regulation operation through leading to the swivel that the groove set up to the adapter sleeve inside.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a cut-away view of the present invention;
FIG. 4 is a front cross-sectional view of the present invention;
FIG. 5 is a front cross-sectional view of the present invention in a compressed state;
FIG. 6 is a schematic structural view of a fixed plate and a rotating plate according to the present invention;
FIG. 7 is a schematic structural view of the present invention after a plurality of auxiliary cylinders are installed;
FIG. 8 is a cutaway view of FIG. 7;
FIG. 9 is a front cross-sectional view of FIG. 7;
fig. 10 is a front cross-sectional view of fig. 7 in a compressed state.
The reference numbers in the figures illustrate:
1. a main cylinder body; 101. a main telescopic rod; 102. a main valve block; 103. a screw; 104. a metal seal ring; 105. a nut; 2. an auxiliary cylinder body; 201. an auxiliary telescopic rod; 202. an auxiliary valve block; 203. a spring; 204. an internal threaded interface; 205. an external thread connecting pipe; 206. a screw cap; 3. a fixing plate; 301. rotating the ring; 302. rotating the plate; 303. and connecting the sleeve.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, 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 1:
referring to fig. 1-10, an L-shaped hydraulic elastic damping device for rail transit comprises a main cylinder body 1, a main telescopic rod 101 extending to the outer side of the upper end of the main cylinder body 1 is vertically inserted into the main cylinder body 1, and the lower end of the main expansion link 101 is fixedly provided with a main valve block 102 arranged inside the main cylinder body 1, the outer end wall of the bottom of the main cylinder body 1 is fixedly communicated with an auxiliary cylinder body 2 which is vertical to the main cylinder body 1, an auxiliary telescopic rod 201 extending to the outer side of the auxiliary cylinder body 2 is horizontally inserted in the auxiliary cylinder body 2, an auxiliary valve block 202 arranged in the auxiliary cylinder body 2 is fixedly installed at one end, close to the main cylinder body 1, of the auxiliary telescopic rod 201, a spring 203 is movably sleeved on the outer side of the auxiliary telescopic rod 201, two ends of the spring 203 are respectively supported between the inner end wall of one side, far away from the main cylinder body 1, of the auxiliary cylinder body 2 and the auxiliary valve block 202, and hydraulic oil is filled in the communication position between the main cylinder body 1 and the auxiliary cylinder body 2.
When the device works, a worker can install the device in a narrow space with a small vertical moving range, when the upper end of the main expansion link 101 is subjected to downward impact force, the main expansion link 101 is driven to drive the main valve block 102 to move downwards, so that hydraulic oil stored in the main cylinder body 1 is extruded downwards, the extruded hydraulic oil enters the inside of the auxiliary cylinder body 2 under the guidance of the communication between the main cylinder body 1 and the auxiliary cylinder body 2, the auxiliary valve block 202 pushes, the auxiliary valve block 202 drives the auxiliary expansion link 201 to move away from the main cylinder body 1 in the inside of the auxiliary cylinder body 2, at the moment, the spring 203 elastically supported between the inner end wall of the auxiliary cylinder body 2, which is far away from the main cylinder body 1, and the auxiliary valve block 202 is extruded and contracted, and the impact force above the main expansion link 101 is effectively absorbed and weakened by virtue of the elastic deformation of the spring 203 and the friction damping between the main valve block 102 and the main cylinder body 1, and between the auxiliary valve block 202 and the auxiliary cylinder body 2, after the impact force transmitted from the main telescopic rod 101 weakens or disappears, under the elastic reset action of the spring 203, the auxiliary valve block 202 is pushed to drive the auxiliary telescopic rod 201 to move in the auxiliary cylinder body 2 in the direction close to the main cylinder body 1, in the process, hydraulic oil entering the auxiliary cylinder body 2 in the prior art flows back to the main cylinder body 1 again, the main valve block 102 is jacked upwards, the main telescopic rod 101 ascends synchronously to reset and support, if the main telescopic rod 101 receives downward impact force from the upper part again, the above operations are repeated, the impact force is absorbed and weakened, and the shock absorption and buffering effects are achieved.
Through the outer end wall bottom position department with the main cylinder body 1 of vice cylinder body 2 horizontal connection vertical setting, and fill hydraulic oil in the space of intercommunication between main cylinder body 1 and vice cylinder body 2, make form L type structure between main cylinder body 1 and the vice cylinder body 2, change to the power direction transmission after filling with the help of hydraulic oil, make the power of the upper and lower direction that main telescopic link 101 received can turn back to the power of vice telescopic link 201 horizontal direction, shift the buffer of main telescopic link 101 upper and lower ascending direction to the removal of vice telescopic link 201 horizontal direction, make the device can install in highly comparatively narrow space, the buffering shock attenuation suitability of the device in the rail transit trade has been promoted to a certain extent.
Referring to fig. 1-5, the main cylinder 1 is configured to be a rough-short structure, and the auxiliary cylinder 2 is configured to be a slender structure, when the device is in operation, the main cylinder 1 is configured to be a rough-short structure, and the auxiliary cylinder 2 is configured to be a slender structure, so that the auxiliary valve block 202 can move a large stroke inside the auxiliary valve block 202 under the hydraulic conversion when the main valve block 102 moves in the main cylinder 1 by a small stroke, and the selection range of the spring 203 can be effectively expanded through the formed conversion, the manufacturing cost of the spring 203 in the device is reduced to a certain extent, and the device is beneficial to ensuring the application range of the device.
Referring to fig. 1 and 3, the main valve block 102 and the sub valve block 202 are both fixedly provided with a screw 103 at the middle position of the end wall of one side close to the bottom of the main cylinder 1, the outer side of one end of the screw 103 far away from the bottom of the main cylinder 1 is sleeved with a metal sealing ring 104, the outer side of the metal sealing ring 104 inside the main cylinder 1 is matched with the inner size of the main cylinder 1, the outer side of the metal sealing ring 104 inside the sub cylinder 2 is matched with the inner size of the sub cylinder 2, the outer side of one end of the screw 103 close to the bottom of the main cylinder 1 is sleeved with a nut 105, and the main valve block 102/the sub valve block 202 and the screw 103 cooperate with the nut 105 to form a ring groove for installing the metal sealing ring 104.
When the device works, when the main valve block 102 or the auxiliary valve block 202 moves, the outer end wall of the metal sealing ring 104 sleeved on the outer side of the screw 103 fixedly connected with the main valve block is tightly attached to the inner end wall of the main cylinder body 1, and the metal sealing ring 104 is sleeved on the outer side of the screw 103, so that a double-layer sealing structure is formed among the main valve block 102/the auxiliary valve block 202, the metal sealing ring 104 and the inner end wall of the main cylinder body 1/the auxiliary cylinder body 2, the probability that hydraulic oil leaks outwards through a gap at the joint of the main valve block 102 and the auxiliary valve block 202 can be effectively reduced, and the working stability of the device can be favorably guaranteed.
Referring to fig. 3 and 4, the cross-sectional shape of the metal sealing ring 104 is a U-shaped structure, the metal sealing ring 104 is movably sleeved outside the screw 103, the inside dimension of the metal sealing ring 104 is matched with the outside dimension of the screw 103, when the device works, the cross-section of the metal sealing ring 104 is set to be the U-shaped structure, which is obtained by rotating the U-shaped cross-section 360 degrees around the rotating shaft of the screw 103, so that the upper end and the lower end of the metal sealing ring 104 have certain elastic deformation performance, and the upper end and the lower end of the metal sealing ring 104 are tightly attached to the inner end walls on the two sides of the annular groove by virtue of the elastic deformation performance of the metal sealing ring, and the outer end walls are tightly attached to the inner end walls of the main cylinder body 1/the auxiliary cylinder body 2, so that the sealing performance of the device is further improved, and hydraulic oil leakage is effectively prevented.
Please refer to fig. 1 and fig. 3, the screw 103 is equipped with the screw thread on the one end outer end wall that is close to in 1 bottom of the main cylinder body, nut 105 threaded connection is in the outside of screw 103, encircle on the outer end wall of nut 105 and set up a plurality of recesses that are circular arc type structure, the device during operation, through the outside with nut 105 threaded connection at screw 103, make nut 105 can dismantle or install from screw 103 through the rotation, the metal seal ring 104 that can effectual promotion screw 103 outside cover was established dismantles the simple operation of change in-process, the later maintenance convenience of the device has been ensured to a certain extent.
Please refer to fig. 1, the outside of each screw 103 is connected with two nuts 105 by threads, the outer end wall of one side where the two nuts 105 are close to each other is evenly equipped with anti-skid wear-resistant threads, when the device is in operation, the two nuts 105 are arranged on the outside of the same screw 103, the friction resistance after the nuts 105 are jointed by the two threads on the outside of the same screw 103 can effectively reduce the probability of loosening of the nuts 105 from the screw 103 due to vibration, and meanwhile, the friction resistance of the contact surface between the two adjacent nuts 105 can be further improved by assembling the anti-skid wear-resistant threads on one side where the two adjacent nuts 105 are jointed with each other, thereby effectively ensuring the structural stability of the device in the using process.
Referring to fig. 3 and 4, an internal threaded joint 204 is fixedly communicated with a lower position of an outer end wall of the main cylinder body 1, an external threaded connection pipe 205 is fixedly communicated with one end of the auxiliary cylinder body 2 close to the bottom of the main cylinder body 1, the external threaded connection pipe 205 is in threaded connection with the inside of the internal threaded joint 204, a caliber of the external threaded connection pipe 205 close to one end of the main cylinder body 1 is set to be an outward inclined structure, and an inner end wall of the internal threaded joint 204 is also provided with an inclined structure matched with the inclined structure at the caliber of the external threaded connection pipe 205.
When the device works, the internal thread interface 204 is fixedly communicated at the position below the outer end wall of the main cylinder body 1, one end of the auxiliary cylinder body 2 close to the main cylinder body 1 is connected with an external thread connecting pipe 205 which is in thread fit with the internal thread interface 204, so that the auxiliary cylinder body 2 can be conveniently disassembled through the threaded connection between the external threaded connecting pipe 205 and the internal threaded interface 204, the operation convenience of the device in the production and maintenance processes is effectively ensured, meanwhile, by setting the inner end wall of the internal threaded interface 204 and the caliber of the external threaded connecting pipe 205 to be of the matched inclined structure, can effectively improve the structural complexity of the joint of the internal threaded interface 204 and the external threaded connecting pipe 205, is beneficial to reducing the probability of the hydraulic oil extrusion action at the joint between the internal threaded interface 204 and the external threaded connecting pipe 205, the connection tightness between the female adapter 204 and the male adapter 205 is improved to a certain extent.
Referring to fig. 2 and 7, the female screw ports 204 are provided with a plurality of female screw ports 204, the plurality of female screw ports 204 are uniformly distributed at positions below the outer end wall of the main cylinder 1 in a surrounding manner, the female screw ports 204 which are not connected with the male screw connecting pipe 205 are internally screwed with the screw caps 206, when the device works, the plurality of internal thread interfaces 204 are uniformly assembled at the lower position of the outer end wall of the main cylinder body 1 in a surrounding way, the mounting position of the auxiliary cylinder body 2 can be flexibly selected according to the requirement in use, meanwhile, the installation number of the auxiliary cylinder bodies 2 can be flexibly selected according to the use requirement, the structure state of the device can be flexibly adjusted according to the actual use requirement, by screwing the screw cap 206 inside the female adapter 204 to which the male adapter 205 is not connected, the vacant internal thread connector 204 can be plugged, and the flexibility and stability of the device in the use process are effectively guaranteed.
Referring to fig. 3 and 6, a fixed plate 3 is fixedly mounted on an inner end wall of the external threaded connection pipe 205 at a side far from the main cylinder body 1, a swivel 301 is rotatably connected between the auxiliary cylinder body 2 and the external threaded connection pipe 205, a rotating plate 302 adapted to the fixed plate 3 is fixedly mounted on an inner end wall of the swivel 301 close to the external threaded connection pipe 205, and through holes corresponding to each other are circumferentially formed in the fixed plate 3 and the rotating plate 302, when the device works, if the height state of the main telescopic rod 101 needs to be kept fixed, a worker can drive the rotating plate 302 to rotate by rotating the swivel 301, so that the through holes correspondingly formed in the fixed plate 3 and the rotating plate 302 are staggered, thereby blocking the inside of the auxiliary cylinder body 2 is realized, further, the flow of hydraulic pressure filled in a communication space between the main cylinder body 1 and the auxiliary cylinder body 2 is limited, and the main valve block 102 cannot be pressed down or moved up to be reset if hydraulic oil cannot flow, the structural state of the main telescopic rod 101 is kept fixed, if the normal working state of the main telescopic rod 101 needs to be recovered, the rotating ring 301 only needs to be rotated again, so that the through hole formed in the rotating plate 302 is aligned with the through hole formed in the rotating ring 301 again, the flow limitation of the hydraulic oil is removed, and the device normally performs the buffering and damping operation.
Through with fixed plate 3 fixed mounting in the inside of external thread connection pipe 205, and will rotate the swivel 301 of being connected with the corresponding commentaries on classics board 302 fixed mounting of fixed plate 3 between vice cylinder body 2 and external thread connection pipe 205, correspond on cooperation fixed plate 3 and the swivel 301 and encircle a plurality of through-holes of seting up, can adjust the hydraulic oil flow state of filling between main cylinder body 1 and the vice cylinder body 2 through rotatory swivel 301, be convenient for fix or remove fixedly to the position of main telescopic link 101 according to the demand when using, the effectual use flexibility that has promoted the device.
Referring to fig. 6, the fixed plate 3 and the rotating plate 302 are configured to be conical structures that are sleeved with each other, one end of the taper angle of the fixed plate 3 and the rotating plate 302 is disposed away from the main cylinder 1, a connecting sleeve 303 that is movably sleeved outside the rotating ring 301 is fixedly connected between the auxiliary cylinder 2 and the external threaded connection pipe 205, a through groove is disposed at the top of the connecting sleeve 303, when the device works, the fixed plate 3 and the rotating plate 302 are set to be in a mutually sleeved conical structure, the hydraulic oil in the flowing process can be guided, the flowing of the hydraulic oil is prevented from being excessively influenced by the fixed plate 3 and the rotating plate 302, meanwhile, by fixedly connecting the connecting sleeve 303 between the sub-cylinder 2 and the male nipple 205, the auxiliary cylinder body 2 can be prevented from rotating in the using process of the device, the structural stability of the device is effectively ensured, and in the using process, the staff can carry out normal rotation regulation operation to swivel 301 that sets up inside adapter sleeve 303 through leading to the groove.
The above are merely preferred embodiments of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides a L type hydroelastic damping device suitable for track traffic, includes main cylinder body (1), its characterized in that: a main telescopic rod (101) extending to the outer side of the upper end of the main cylinder body (1) is vertically inserted in the main cylinder body, the lower end of the main telescopic rod (101) is fixedly provided with a main valve block (102) arranged in the main cylinder body (1), an auxiliary cylinder body (2) which is vertical to the main cylinder body (1) is fixedly communicated with the outer end wall of the bottom of the main cylinder body (1), an auxiliary telescopic rod (201) extending to the outer side of the auxiliary cylinder body is horizontally inserted in the auxiliary cylinder body (2), an auxiliary valve block (202) arranged in the auxiliary cylinder body (2) is fixedly arranged at one end of the auxiliary telescopic rod (201) close to the main cylinder body (1), a spring (203) is movably sleeved on the outer side of the auxiliary telescopic rod (201), two ends of the spring (203) are respectively supported between the inner end wall of one side of the auxiliary cylinder body (2) far away from the main cylinder body (1) and the auxiliary valve block (202), and hydraulic oil is filled in the communication part between the main cylinder body (1) and the auxiliary cylinder body (2).
2. An L-shaped hydroelastic damping device suitable for rail transit as claimed in claim 1, characterized in that: the appearance of main cylinder body (1) sets up to thick short type structure, the appearance of vice cylinder body (2) sets up to long thin type structure.
3. An L-shaped hydroelastic damping device suitable for rail transit as claimed in claim 1, characterized in that: main valve piece (102) and vice valve piece (202) are close to and are located equal fixed mounting in one side end wall intermediate position of main cylinder body (1) bottom and have screw rod (103), the one end outside cover that main cylinder body (1) bottom was kept away from in screw rod (103) is equipped with metal seal ring (104), and the inside size looks adaptation that is located inside metal seal ring (104) outside size of main cylinder body (1) and main cylinder body (1), the inside size looks adaptation that is located inside metal seal ring (104) outside size of vice cylinder body (2) and vice cylinder body (2), one end outside cover that screw rod (103) are close to main cylinder body (1) bottom is equipped with nut (105), main valve piece (102)/vice valve piece (202), screw rod (103) cooperation nut (105) constitute the annular that is used for installing metal seal ring (104).
4. An L-shaped hydro-elastic shock absorbing device suitable for rail transit according to claim 3, wherein: the cross-section of the metal sealing ring (104) is of a U-shaped structure, the metal sealing ring (104) is movably sleeved on the outer side of the screw rod (103), and the inner side size of the metal sealing ring (104) is matched with the outer side size of the screw rod (103).
5. An L-shaped hydro-elastic shock absorbing device suitable for rail transit according to claim 3, wherein: screw rod (103) are close to and are equipped with the screw thread on the one end outer end wall of main cylinder body (1) bottom, nut (105) threaded connection is in the outside of screw rod (103), encircle on the outer end wall of nut (105) and set up a plurality of recesses that are the circular arc type structure.
6. An L-shaped hydro-elastic shock absorbing device suitable for rail transit according to claim 5, wherein: every the equal threaded connection in outside of screw rod (103) has two nuts (105), two evenly be equipped with on the one side outer end wall that nut (105) are close to each other and prevent the skid-wearing line.
7. An L-shaped hydroelastic damping device suitable for rail transit as claimed in claim 1, characterized in that: the fixed intercommunication of position department has internal thread interface (204) below the outer end wall of main cylinder body (1), vice cylinder body (2) are close to the fixed intercommunication of one end in main cylinder body (1) bottom and have external screw thread takeover (205), external screw thread takeover (205) threaded connection is in the inside of internal thread interface (204), external screw thread takeover (205) are close to the bore of main cylinder body (1) one end and set up to outwards slope type structure, set up the slope structure with external screw thread takeover (205) bore department slope structure looks adaptation equally on the inner end wall of internal thread interface (204).
8. An L-shaped hydro-elastic shock absorbing device suitable for rail transit according to claim 7, wherein: the internal thread connectors (204) are arranged in a plurality, the internal thread connectors (204) are uniformly distributed at the lower position of the outer end wall of the main cylinder body (1) in a surrounding mode, and the internal thread connector (204) which is not connected with the external thread connecting pipe (205) is connected with a screw cap (206) in a threaded mode.
9. An L-shaped hydro-elastic shock absorbing device suitable for rail transit according to claim 7, wherein: fixed mounting has fixed plate (3) on the interior end wall of main cylinder body (1) one side is kept away from in external screw thread takeover (205), it is connected with swivel (301) to rotate between vice cylinder body (2) and external screw thread takeover (205), swivel (301) are close to fixed mounting have with fixed plate (3) looks adaptation change board (302) on the interior end wall of external screw thread takeover (205) one side, all set up on fixed plate (3) and change board (302) and encircle the through-hole that corresponds each other that sets up.
10. An L-shaped hydroelastic damping device suitable for rail transit as claimed in claim 9, characterized in that: the appearance of fixed plate (3) and commentaries on classics board (302) sets up to the circular cone type structure that cup joints each other, main cylinder body (1) setting is kept away from to the cone angle one end of fixed plate (3) and commentaries on classics board (302), fixedly connected with movable sleeve of establishing between vice cylinder body (2) and external screw thread takeover (205) is established at adapter sleeve (303) in the change (301) outside, and the top of adapter sleeve (303) has seted up logical groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971363.4A CN115045145A (en) | 2022-08-15 | 2022-08-15 | L-shaped hydraulic elastic damping device suitable for rail transit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210971363.4A CN115045145A (en) | 2022-08-15 | 2022-08-15 | L-shaped hydraulic elastic damping device suitable for rail transit |
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| CN115045145A true CN115045145A (en) | 2022-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210971363.4A Pending CN115045145A (en) | 2022-08-15 | 2022-08-15 | L-shaped hydraulic elastic damping device suitable for rail transit |
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| GB945846A (en) * | 1961-07-04 | 1964-01-08 | Automotive Prod Co Ltd | Improvements in and relating to disc brakes |
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| CN107264455A (en) * | 2017-05-27 | 2017-10-20 | 成都协恒科技有限公司 | Collision prevention girders buffer unit |
| CN110159700A (en) * | 2019-05-27 | 2019-08-23 | 邱焜 | A kind of energy conversion type buffering stand |
| CN209943406U (en) * | 2019-05-29 | 2020-01-14 | 王文磊 | Opposite-impact type shock absorption buffer |
| CN112032242A (en) * | 2020-09-14 | 2020-12-04 | 王红 | Delay type speed damping device for train |
| CN214652838U (en) * | 2021-05-07 | 2021-11-09 | 宁波奥力迅电梯部件有限公司 | Mechanism for relieving impact during emergency falling of elevator |
-
2022
- 2022-08-15 CN CN202210971363.4A patent/CN115045145A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB945846A (en) * | 1961-07-04 | 1964-01-08 | Automotive Prod Co Ltd | Improvements in and relating to disc brakes |
| CN101725190A (en) * | 2010-01-22 | 2010-06-09 | 东南大学 | Three-dimensional composite seismic isolation supporting seat |
| CN107264455A (en) * | 2017-05-27 | 2017-10-20 | 成都协恒科技有限公司 | Collision prevention girders buffer unit |
| CN110159700A (en) * | 2019-05-27 | 2019-08-23 | 邱焜 | A kind of energy conversion type buffering stand |
| CN209943406U (en) * | 2019-05-29 | 2020-01-14 | 王文磊 | Opposite-impact type shock absorption buffer |
| CN112032242A (en) * | 2020-09-14 | 2020-12-04 | 王红 | Delay type speed damping device for train |
| CN214652838U (en) * | 2021-05-07 | 2021-11-09 | 宁波奥力迅电梯部件有限公司 | Mechanism for relieving impact during emergency falling of elevator |
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Application publication date: 20220913 |