CN116787576A - Two-axis vibration forming device for ballastless track plate - Google Patents
Two-axis vibration forming device for ballastless track plate Download PDFInfo
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- CN116787576A CN116787576A CN202311021002.4A CN202311021002A CN116787576A CN 116787576 A CN116787576 A CN 116787576A CN 202311021002 A CN202311021002 A CN 202311021002A CN 116787576 A CN116787576 A CN 116787576A
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- 238000000034 method Methods 0.000 claims abstract description 26
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 27
- 230000005284 excitation Effects 0.000 claims description 15
- 230000005484 gravity Effects 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/093—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material
- B28B1/0935—Producing shaped prefabricated articles from the material by vibrating or jolting by means directly acting on the material, e.g. by cores wholly or partly immersed in the material or elements acting on the upper surface of the material using only elements wholly or partly immersed in the material, e.g. cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
Abstract
The invention relates to a two-axis vibration forming device for a ballastless track slab, which comprises a track slab die, a horizontal vibration device, a vertical vibration device, a spring damper, a base and a horizontal support device, wherein the vertical vibration device is arranged at the bottom edge of the track slab die and is fixed on the base, the horizontal vibration device is fixed on one side of the die, the horizontal support device is fixed on the other side of the die, and the horizontal vibration device and the horizontal support device are connected with the corresponding vertical vibration device. The two-axis vibration forming device for the ballastless track slab is simple in structure, and the vibration forming is better suitable for the variable load working condition of the concrete pouring process by adjusting the motion track and the vibration frequency of the two-axis vibration, so that the concrete is more uniformly distributed in the mould, the vibration forming efficiency is improved, and meanwhile, the forming quality of the ballastless track slab is greatly improved; in addition, the application scope of the two-axis vibration is wider than that of the traditional single-axis vibration.
Description
Technical Field
The invention relates to the field of production of ballastless track plates of high-speed rails, in particular to a two-axis vibration forming device of a ballastless track plate.
Background
With the continuous development of the field of high-speed railway construction, the demand of China for high-quality high-speed railway ballastless track slabs is growing year by year. In order to improve the bearing capacity and strength, a reinforcing mesh formed by overlapping longitudinal reinforcing steel bars and transverse reinforcing steel bars is arranged in a forming die in the prefabrication process of the ballastless track slab, and then concrete is poured into the die on the basis of the reinforcing mesh. Under the normal condition, vibration excitation is needed to be applied to the mould in the concrete pouring process, so that the distribution of the concrete in the mould is more uniform through the vibration action of the concrete, the concrete is more closely combined with a reinforcing mesh, the entrained bubbles are released, and the forming quality of the ballastless track plate is effectively improved.
In the existing ballastless track slab vibration forming technology, in order to improve the vibration uniformity of concrete in a track slab mold, a plurality of vibration motors are uniformly arranged at the bottom of the mold to serve as vibration exciters, but the method applies single-shaft vibration excitation from bottom to top to the mold, the vibration uniformity of the concrete in the mold is not high, the problem of bubble residue is still obvious, and the forming quality of the track slab is seriously affected. In addition, the problem of vibration dyssynchrony existing between each vibrating motor and the mould in the vibration forming process easily causes fatigue deformation of the bottom of the mould, and the service life of the mould is greatly shortened. Therefore, chinese patent 202211568846.6 proposes a vibration forming device and a vibration method for a ballastless track slab, wherein the device adopts a plurality of uniformly distributed vibration rods to directly contact with concrete for vibration, and solves the problems of weak vibration transmission capability, short service life of a die and the like in the track slab forming process in the prior art. Chinese patent 202010825313.6 discloses an electromagnetic excitation forming device for ballastless track slabs, which can correct the deviation of vibration acceleration amplitude and phase output by a plurality of exciters in the vibration forming process of the track slabs in real time, and realizes synchronous excitation of dies. However, the device can only realize the uniaxial vibration to the mould, and has limited effect of improving the uniformity of the concrete vibration in the mould. Furthermore, the driving capability of electromagnetic excitation devices is limited, which makes it difficult to apply vibratory excitation to large mass track slab molds filled with concrete.
Under the normal condition, the ballastless track plate forming process is to gradually pour concrete to all parts of the mould, and the speed consistency is difficult to ensure in the concrete feeding process, so that the stress of the mould parts where all vibration exciters are installed is uneven. Based on the method, the vibration forming process of the ballastless track plate is required to be lifted to be two-axis vibration excitation by the traditional single-axis vibration excitation, and then the vibration forming is better adapted to the variable load working condition of the concrete pouring process by adjusting the motion track and the vibration frequency of the two-axis vibration, so that the concrete is more uniformly distributed in the mould, and the forming quality of the ballastless track plate is greatly improved while the vibration forming efficiency is improved. However, the conventional vibration forming technology is still limited to applying uniaxial vibration excitation to the ballastless track plate, has limited process effects and application range, and cannot ensure the high-quality vibration forming requirement of the ballastless track plate.
Disclosure of Invention
The invention provides a high-uniformity and high-quality ballastless track slab two-axis vibration forming device capable of applying two-dimensional vibration force to concrete in a die, and aims to effectively solve the problems of uneven concrete distribution, low vibration efficiency, poor vibration process effect, narrow application range and the like in the conventional track slab single-axis vibration forming process.
The ballastless track slab two-axis vibration forming device comprises a track slab die, a horizontal vibration device, a vertical vibration device, a spring damper, a base and a horizontal support device, wherein the vertical vibration device is arranged at the bottom edge of the track slab die, the vertical vibration device is fixed on the base, the horizontal vibration device is fixed on one side of the die, the horizontal support device is fixed on the other side of the die, and the horizontal vibration device and the horizontal support device are connected with the corresponding vertical vibration device. The vertical vibrating device provide vertical vibrating force for the track slab, the horizontal vibrating device provides horizontal vibrating force for the track slab, the horizontal supporting device is used for supporting the other side of the track slab die, the spring damper located on the base is used for carrying out auxiliary support on the horizontal vibrating device, and therefore the large-mass horizontal vibrating device is prevented from generating lateral overturning, and the working safety of the whole device is improved.
The ballastless track slab two-axis vibration forming device is characterized in that the base comprises a top plate, a rib plate, a bottom plate and upright posts, buckles are uniformly distributed on the periphery of the bottom plate, bolt holes in the buckles are used for fixing the base and the ground, the top plate is provided with the bolt holes, the vertical vibration device is fixed on the top plate through bolts, the rib plate between the upright posts and the bottom plate can strengthen the structural strength of the base, and the supporting stability of the base to the vertical vibration device is improved.
The ballastless track plate two-axis vibration forming device is characterized in that the vertical vibration device comprises a vertical roller, a vertical cam, a vertical vibration plate, a vertical smooth guide pillar, a vertical servo motor, a vertical fixing plate, a vertical spring, a vertical cam shaft, a vertical roller support and a vertical belt wheel, wherein the vertical roller support is arranged below the vertical vibration plate, a groove for installing the vertical roller is formed in the middle of the vertical roller support, coaxial cylindrical holes are formed in two sides of the groove, and the vertical roller can pass through shafts of the cylindrical holes to be installed on the vertical roller support. The vertical cam shaft middle part install vertical cam, the tip is equipped with the keyway that is used for fixed vertical cam shaft and vertical band pulley. The vertical cam shaft is located under the vertical cam shaft, the vertical springs are symmetrically distributed on two sides of the vertical vibrating plate, one end of each vertical spring is connected with the vertical vibrating plate, the other end of each vertical spring is connected with the vertical fixing plate fixed on the base, the vertical springs can ensure that the vertical cam shaft on the vertical cam shaft support is always contacted with the vertical cam in the middle of the vertical cam shaft, and the vertical springs can lighten the influence of gravity of components such as the vertical vibrating plate and the like and inertia force brought during reciprocating motion on the vibrating process. When the vertical vibration device works, the vertical servo motor drives the vertical cam shaft to rotate through the belt, the vertical cam in the middle of the vertical cam shaft drives the vertical roller to move up and down when rotating, and the vertical roller below the vertical vibration plate further drives the vertical vibration plate to reciprocate up and down along four vertical smooth guide posts fixed on the vertical fixing plate, so that vertical vibration force is generated through movement of the vertical cam.
The ballastless track plate two-axis vibration forming device is characterized in that the horizontal vibration device comprises a horizontal cam, a horizontal servo motor, a horizontal fixing plate, a horizontal folded plate, a horizontal smooth guide pillar, a horizontal vibration plate, a horizontal pulley guide rail, a horizontal spring, a horizontal roller support, a horizontal cam shaft, a horizontal roller and a hydraulic locking device, the hydraulic locking device is fixed on the horizontal vibration plate, the horizontal roller support is arranged on the right of the horizontal vibration plate, a groove for installing the horizontal roller is formed in the middle of the horizontal roller support, the roller is installed on the horizontal roller support, the horizontal cam shaft is located on the right of the horizontal roller, the horizontal cam is installed in the middle of the horizontal cam shaft, and the horizontal springs symmetrically distributed on two sides of the horizontal vibration plate can ensure that the horizontal roller located on the horizontal roller support is always contacted with the horizontal cam on the horizontal cam shaft. The horizontal fixing plate top be equipped with two drainage flat pulley guide rails, the track board mould can be on horizontal pulley guide rail horizontal slip, the horizontal fixing plate fix on the horizontal folded plate, be equipped with two rows of structure deep floor on the horizontal folded plate for increase structural strength. When the horizontal vibration device works, the horizontal servo motor drives the horizontal cam shaft to rotate through the belt, the horizontal cam in the middle of the horizontal cam shaft drives the horizontal roller on the horizontal roller support to move, and the horizontal roller connected with the horizontal vibration plate drives the horizontal vibration plate to horizontally reciprocate along the four horizontal smooth guide posts, so that horizontal vibration force is generated. Meanwhile, as the lower part of the horizontal folded plate is fixedly connected with the vertical vibrating plate in the vertical vibrating device, the horizontal folded plate drives the horizontal vibrating device to vibrate synchronously and vertically while the vertical vibrating plate vibrates. At the moment, the two-axis vibration forming device of the ballastless track plate can generate two-axis vibration forces in the vertical direction and the horizontal direction simultaneously.
The ballastless track plate two-axis vibration forming device is characterized in that the spring damper comprises a connecting bolt, a sliding plate, a spring seat and a damping spring. The spring seat bottom be equipped with two symmetrical bolt holes for it is fixed with spring damper and base, the inboard of spring seat is equipped with the guide way that supplies the sliding plate to slide from top to bottom, sliding plate and spring seat between be equipped with damping spring, connecting bolt can be with the sliding plate with horizontal folded plate in the horizontal vibrating device be connected. During operation of the spring damper, gravity of components such as the horizontal vibration device and inertia force generated during movement are transmitted to the spring damper through the connecting bolts, the sliding plate connected with the connecting bolts moves along the guide groove on the inner side of the spring seat, and at the moment, the damping spring between the sliding plate and the spring seat can realize auxiliary support of the horizontal vibration device, overcome the influence of gravity and inertia force, further avoid the large-mass horizontal vibration device from generating lateral overturning, and improve the working safety of the whole device.
The ballastless track slab two-axis vibration forming device is characterized in that the hydraulic locking device comprises a sliding sleeve, a hydraulic cylinder, a vibration end head and an annular buckle, wherein the hydraulic locking device is fixed on the horizontal vibration plate through a flange plate on the hydraulic cylinder. The end part of the vibration end is fixed on the track plate die, the vibration end can transmit the vibration force of the horizontal vibration plate to the track plate die, square grooves are uniformly distributed on the side surface of the vibration end, and the annular buckle is fixed in the square grooves of the vibration end through the special-shaped springs. The inner side of the sliding sleeve is provided with a sliding groove overlapped with the inclined surface of the annular buckle, a sealing ring for preventing hydraulic oil leakage is arranged in the hydraulic cylinder, and two sides of the track plate die are provided with a cylindrical hole body matched with the vibration end of the hydraulic locking device and an annular groove matched with the annular buckle. When the vibration end enters the cylindrical hole body of the track plate die, the external hydraulic circuit controls the oil inlet A of the hydraulic cylinder to feed oil and the oil outlet B to discharge oil, so that the sliding sleeve is pushed to slide along the vibration end, and the annular buckle is ejected out under the action of the special-shaped spring and then is combined with the annular groove in the die, so that the purpose of locking the track plate die and the horizontal vibration device is achieved. When the locking state of the hydraulic locking device is required to be canceled, the external hydraulic circuit controls the oil inlet B of the hydraulic cylinder to feed oil and the oil outlet A to push the sliding sleeve to slide along the vibration end, and at the moment, the annular buckle is separated from the annular groove in the die under the action of the sliding groove at the inner side of the sliding sleeve, so that the purpose of separating the track plate die from the horizontal vibration device is achieved.
The two-axis vibration forming device for the ballastless track plate is characterized in that the horizontal supporting device comprises a supporting spring, a supporting sliding plate, a supporting fixing plate, a supporting folded plate, a supporting smooth guide post, a supporting pulley block and a hydraulic locking device. The support fixed plate on be equipped with two rows of supporting pulley blocks for realize the slip of track board mould horizontal direction, hydraulic locking device fixes on supporting the sliding plate, the support spring one end that is located the supporting sliding plate both sides be connected with supporting the sliding plate, the other end is connected with supporting the fixed plate, the horizontal fixed plate fix on supporting the folded plate, the folded plate that supports link to each other with the vertical vibrating plate that corresponds vertical vibrating device. When the horizontal vibration device works, the hydraulic locking device locks the track plate die with the horizontal supporting device, the hydraulic locking device fixed on the supporting sliding plate can horizontally move along four supporting smooth guide posts which are symmetrically arranged, the horizontal supporting device is mainly used for guiding and supporting the track plate die when horizontally vibrating, and when the vertical vibration device connected with the horizontal supporting device also starts to work at the same time, vertical vibrating force generated by the vertical vibration device is transmitted to the track plate die through the horizontal supporting device, so that two-axis vibration excitation of the track plate die is realized.
The invention has the beneficial effects that: the two-axis vibration forming device for the ballastless track slab is simple in structure, vibration forming can be better adapted to the variable load working condition of the concrete pouring process, so that concrete is distributed more uniformly in a mould, the vibration forming efficiency is improved, and meanwhile, the forming quality of the ballastless track slab is greatly improved; in addition, the application range of the two-axis vibration is wider than that of the single-axis vibration.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a two-axis vibration molding device for a ballastless track plate;
FIG. 2 is a schematic view of a base structure;
FIG. 3 is a schematic view of a vertical vibration device;
FIG. 4 is a schematic view of a vertical roller bracket structure;
FIG. 5 is a schematic view of a vertical camshaft configuration;
FIG. 6 is a schematic view of a horizontal vibration device;
FIG. 7 is a schematic view of a horizontal mounting plate structure;
FIG. 8 is a schematic view of a horizontal flap configuration;
FIG. 9 is a schematic diagram of the connection of a vertical vibration device to a horizontal vibration device;
FIG. 10 is a schematic view of a spring damper;
FIG. 11 is a schematic view of a hydraulic locking device;
FIG. 12 is a schematic view of a vibrating tip structure;
FIG. 13 is a schematic view of an annular snap structure;
FIG. 14 is a schematic view of a shaped spring configuration;
FIG. 15 is a partial cross-sectional view of a vibratory end connection die interface;
FIG. 16 is a schematic view of a horizontal support structure;
in the figure, 1-track plate mold, 2-horizontal vibration device, 21-horizontal cam, 22-horizontal servo motor, 23-horizontal fixed plate, 24-horizontal folded plate, 25-horizontal smooth guide post, 26-horizontal vibration plate, 27-horizontal pulley guide rail, 28-horizontal spring, 29-horizontal roller bracket, 210-horizontal cam shaft, 211-horizontal roller, 3-vertical vibration device, 31-vertical roller, 32-vertical cam, 33-vertical vibration plate, 34-vertical smooth guide post, 35-vertical servo motor, 36-vertical fixed plate, 37-vertical spring, 38-vertical cam shaft, 39-vertical roller bracket, 391-groove, 392-cylindrical hole, 310-vertical pulley, 311-key slot, 4-spring damper, 41-connecting bolt, 42-sliding plate, 43-spring seat, 44-damper spring, 5-base, 51-top plate, 52-rib plate, 53-bottom plate, 54-column, 6-horizontal support device, 61-support spring, 62-support sliding plate, 63-support fixed plate, 64-support folded plate, 65-support pulley block, 65-support smooth guide post, 66-support pulley, 7-support ring groove, 71-annular groove, 72-groove, 711-groove, hydraulic groove, and flange, 76-groove, and flange groove, and the like.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the ballastless track slab two-axis vibration forming device shown in fig. 1 comprises a track slab die 1, a horizontal vibration device 2, a vertical vibration device 3, a spring damper 4, a base 5 and a horizontal support device 6, wherein the vertical vibration device 3 is arranged at the bottom edge of the track slab die 1, the vertical vibration device 3 is fixed on the base 5, the horizontal vibration device 2 is fixed on one side of the die, the horizontal support device 6 is fixed on the other side of the die, and the horizontal vibration device 2 and the horizontal support device 6 are connected with the corresponding vertical vibration device 3. The vertical vibrating device 3 provide vertical vibrating force for the track slab, the horizontal vibrating device 2 provides horizontal vibrating force for the track slab, the horizontal supporting device 6 is used for supporting the other side of the track slab die 1, the spring damper 4 on the base 5 is used for carrying out auxiliary support on the horizontal vibrating device 2, and therefore the large-mass horizontal vibrating device is prevented from generating lateral overturning, and the working safety of the whole device is improved.
The base 5 shown in fig. 2 comprises a top plate 51, a rib plate 52, a bottom plate 53 and upright posts 54, buckles are uniformly distributed around the bottom plate 53, bolt holes in the buckles are used for fixing the base 5 and the ground, the top plate 51 is provided with the bolt holes, the vertical vibration device 3 can be fixed on the top plate 51 through bolts, the rib plate 52 between the upright posts 54 and the bottom plate can strengthen the structural strength of the base, and the supporting stability of the base 5 to the vertical vibration device 3 is improved.
The vertical vibration device 3 shown in fig. 3 comprises a vertical roller 31, a vertical cam 32, a vertical vibration plate 33, a vertical smooth guide post 34, a vertical servo motor 35, a vertical fixing plate 36, a vertical spring 37, a vertical cam shaft 38, a vertical roller support 39 and a vertical belt wheel 310, wherein the vertical roller support 39 shown in fig. 4 is arranged below the vertical vibration plate 33, a groove 391 for installing the vertical roller 31 is arranged in the middle of the vertical roller support 39, coaxial cylindrical holes 392 are arranged on two sides of the groove 391, and the vertical roller 31 can be installed on the vertical roller support 39 through a shaft penetrating through the cylindrical holes 392. As shown in fig. 5, the vertical cam shaft 38 is provided with a vertical cam 32 at the middle, and a key slot 311 for fixing the vertical cam shaft and the vertical pulley 310 is provided at the end. As shown in fig. 3, the vertical cam shaft 38 is located under the vertical roller 31, the vertical springs 37 are symmetrically distributed on two sides of the vertical vibrating plate 33, one end of each vertical spring is connected with the vertical vibrating plate 33, the other end of each vertical spring is connected with the vertical fixing plate 36 fixed on the base 5, the vertical springs can ensure that the vertical roller 31 located on the vertical roller bracket 39 is always contacted with the vertical cam 32 in the middle of the vertical cam shaft 38, and the vertical springs 37 can reduce the influence of gravity of the vertical vibrating plate 33 and other components and inertia force caused by reciprocating motion on the vibration process. When the vertical vibration device 3 works, the vertical servo motor 35 drives the vertical cam shaft 38 to rotate through a belt, the vertical cam 32 in the middle of the vertical cam shaft 38 drives the vertical roller 31 to move up and down when rotating, and the vertical roller 31 positioned below the vertical vibration plate 33 further drives the vertical vibration plate 33 to reciprocate up and down along the four vertical smooth guide posts 34 fixed on the vertical fixing plate 36, so that vertical vibration force is generated through the movement of the vertical cam 32.
The horizontal vibration device 2 shown in fig. 6 comprises a horizontal cam 21, a horizontal servo motor 22, a horizontal fixing plate 23, a horizontal folded plate 24, a horizontal smooth guide pillar 25, a horizontal vibration plate 26, a horizontal pulley guide rail 27, a horizontal spring 28, a horizontal roller support 29, a horizontal cam shaft 210, a horizontal roller 211 and a hydraulic locking device 7, wherein the hydraulic locking device is fixed on the horizontal vibration plate 26, the horizontal roller support 29 is arranged on the right of the horizontal vibration plate 26, a groove for installing the horizontal roller 211 is arranged in the middle of the horizontal roller support 29, the roller 211 is installed on the horizontal roller support 29, the horizontal cam shaft 210 is positioned on the right of the horizontal roller 211, the horizontal cam 21 is installed in the middle of the horizontal cam shaft 210, and the horizontal springs 28 symmetrically distributed on two sides of the horizontal vibration plate 26 can ensure that the horizontal roller 211 positioned on the horizontal roller support 29 is always contacted with the horizontal cam 21 on the horizontal cam shaft 210. As shown in fig. 6 and 7, two drainage flat pulley rails 27 are arranged above the horizontal fixing plate 23, the track plate mould 1 can horizontally slide on the horizontal pulley rails 27, and the horizontal fixing plate 23 is fixed on the horizontal folded plate 24. As shown in fig. 8, the horizontal flap 24 is provided with two rows of structural reinforcing ribs for added structural strength. As shown in fig. 9, when the horizontal vibration device 2 is in operation, the horizontal servo motor 22 drives the horizontal cam shaft 210 to rotate through the belt, the horizontal cam 21 in the middle of the horizontal cam shaft 210 drives the horizontal roller 211 on the horizontal roller bracket 29 to move, and the horizontal roller 211 connected with the horizontal vibration plate 26 drives the horizontal vibration plate 26 to horizontally reciprocate along the four horizontal smooth guide posts 25, so that horizontal vibration force is generated. At the same time, as the lower part of the horizontal folded plate 24 is fixedly connected with the vertical vibrating plate 33 in the vertical vibrating device 3, the horizontal folded plate 24 drives the horizontal vibrating device 2 to synchronously and vertically vibrate at the same time of vibrating the vertical vibrating plate. At the moment, the two-axis vibration forming device of the ballastless track plate can generate two-axis vibration forces in the vertical direction and the horizontal direction simultaneously.
The spring damper 4 shown in fig. 10 includes a connecting bolt 41, a sliding plate 42, a spring seat 43, and a damper spring 44. The bottom of the spring seat 43 is provided with two symmetrical bolt holes for fixing the spring damper 4 and the base 5, the inner side of the spring seat 43 is provided with a guide groove for the sliding plate 42 to slide up and down, a damping spring 44 is arranged between the sliding plate 42 and the spring seat 43, and the connecting bolt 41 can connect the sliding plate 42 with the horizontal folded plate 24 in the horizontal vibration device 2. During operation of the spring damper 4, gravity of components such as the horizontal vibration device and inertia force generated during movement are transmitted to the spring damper through the connecting bolt 41, the sliding plate 42 connected with the connecting bolt 41 moves along the guide groove on the inner side of the spring seat 43, and the damping spring 44 between the sliding plate 42 and the spring seat 43 can realize auxiliary support of the horizontal vibration device 2, overcome the influence of gravity and inertia force, further avoid lateral overturning of the high-mass horizontal vibration device, and increase working safety of the whole device.
The hydraulic locking device 7 shown in fig. 11 includes a sliding sleeve 71, a hydraulic cylinder 72, a vibrating tip 73, and an annular buckle 74, wherein the hydraulic locking device 7 is fixed to the horizontal vibration plate 26 by a flange 721 on the hydraulic cylinder 72. As shown in fig. 1 and 6, the end of the vibration tip 73 is fixed to the rail plate mold 1, and the vibration tip 73 can transmit the vibration force of the horizontal vibration plate 26 to the rail plate mold. As shown in fig. 12, square grooves 731 are uniformly distributed on the side surface of the vibration end 73, and the annular buckle 74 shown in fig. 13 is fixed in the square groove 731 of the vibration end 73 through a special-shaped spring 75 shown in fig. 14. As shown in fig. 11 and 15, a sliding groove 711 overlapped with the inclined plane of the annular buckle 74 is provided on the inner side of the sliding sleeve 71, a sealing ring 76 for preventing hydraulic oil leakage is installed in the hydraulic cylinder 72, and a cylindrical hole body adapted to the vibration end 73 of the hydraulic locking device 7 and a ring groove 712 adapted to the annular buckle 74 are provided on both sides of the track plate mold 1. When the vibration end 73 enters the cylindrical hole body of the track plate die 1, the external hydraulic circuit controls the oil inlet A of the hydraulic cylinder 72 to feed oil and the oil outlet B to discharge oil, so that the sliding sleeve 71 is pushed to slide along the vibration end 73, and the annular buckle 74 is ejected out under the action of the special-shaped spring 75 and then is combined with the annular groove 712 in the die, so that the purpose of locking the track plate die 1 and the horizontal vibration device 2 is achieved. When the locking state of the hydraulic locking device 7 needs to be canceled, the control oil port B of the hydraulic cylinder 72 is controlled by the external hydraulic circuit to enter oil, and the control oil port a is controlled to discharge oil, so that the sliding sleeve 71 is pushed to slide along the vibration end 73, and at the moment, the annular buckle 74 is separated from the annular groove 712 in the die under the action of the sliding groove 711 at the inner side of the sliding sleeve 71, so that the purpose of separating the track slab die 1 from the horizontal vibration device 2 is achieved.
As shown in fig. 16, the horizontal supporting device 6 includes a supporting spring 61, a supporting sliding plate 62, a supporting fixing plate 63, a supporting folded plate 64, a supporting smooth guide post 65, a supporting pulley block 66 and a hydraulic locking device 7. The support fixed plate 63 on be equipped with two rows of support pulley blocks 66 and be used for realizing the slip of track board mould horizontal direction, hydraulic locking device 7 is fixed on support sliding plate 62, support spring 61 one end that is located support sliding plate 62 both sides be connected with support sliding plate 62, the other end is connected with support fixed plate 63, horizontal fixed plate 63 fix on support folded plate 64, support folded plate 64 link to each other with the vertical vibration board that corresponds vertical vibrating device. When the horizontal vibration device 2 works, the hydraulic locking device 7 locks the track plate die 1 and the horizontal support device 2, the hydraulic locking device 7 fixed on the support sliding plate 62 can horizontally move along four support smooth guide posts 65 which are symmetrically arranged, the horizontal support device 6 is mainly used for guiding and supporting the track plate die when horizontal vibration is generated, and when the vertical vibration device 3 connected with the horizontal support device 6 also starts to work at the same time, vertical vibration force generated by the vertical vibration device 3 is transmitted to the track plate die 1 through the horizontal support device 6, so that two-axis vibration excitation of the track plate die is realized.
When the track slab mould 1 with the reinforcing steel bar net is required to be concreted, the whole working process is as follows: in the initial state, the track plate mould 1 is in place, the horizontal vibrating devices 2 and the vibrating ends 73 in the horizontal supporting devices 6 at two sides of the horizontal vibrating devices extend into the corresponding cylindrical holes of the track plate mould 1, the control oil ports A of the hydraulic cylinders 72 in the hydraulic locking devices 7 are used for oil feeding, the control oil ports B are used for oil discharging, the pressure oil pushes the sliding sleeve 71 to slide along the vibrating ends 73, at the moment, the annular buckles 74 are combined with the annular grooves 712 in the track plate mould 1 after being ejected under the action of the special-shaped springs 75, and therefore the horizontal vibrating devices 2, the horizontal supporting devices 6 and the track plate mould 1 are reliably locked. Further, as shown in fig. 1, the vertical servo motor 35 in the 8 vertical vibration devices 3 and the horizontal servo motor 22 in the 4 horizontal vibration devices 2 perform a reset procedure so that the vertical cams 32 in all the vertical vibration devices 3 and the horizontal vibration devices 2 are the same as the initial angle of the horizontal cams 21. Then, according to the set requirement of the two-axis vibration excitation signal to be applied to the track plate mold 1, the servo motors in the horizontal vibration device 2 and the vertical vibration device 3 start to work, the horizontal cam shaft 210 and the vertical cam shaft 38 are driven to rotate at high speed, the horizontal cam on the horizontal cam shaft 210 drives the horizontal roller bracket 29 to move, the vertical cam on the vertical cam shaft 38 drives the vertical roller bracket 39 to move, the horizontal vibration plate 26 and the vertical vibration plate 33 are further driven to vibrate in the horizontal direction and the vertical direction along the horizontal smooth guide pillar 25 and the vertical smooth guide pillar 34 respectively, the vibration is transmitted to the track plate mold 1 through the vibration end heads 73 connected with the vibration plates, at the moment, the set vibration excitation signals are applied to all parts of concrete in the track plate mold 1 in the horizontal direction and the vertical direction, and then the two-axis vibration action on the concrete in the track plate molding is realized. Since the bottom edge and the side edge of the track plate mould 1 are respectively provided with 8 vertical vibration devices and 4 horizontal vibration devices, when the servo motors in the vertical vibration devices 3 and the horizontal vibration devices 2 work at the same rotating speed, different rotating speeds and a specific regular periodic change rotating speed, two-axis vibration excitation which changes according to the corresponding two-dimensional vibration track rule can be applied to the track plate mould 1, wherein the change rule of the rotating speeds of the horizontal servo motor 22 and the vertical servo motor 35 can be realized through an electrical control method. The specific control process is as follows: firstly, a control person inputs a set rotating speed signal of a servo motor to a main control computer, then the main control computer outputs a control instruction to a controller, and finally the controller enables the motor to rotate according to a given rotating speed by controlling a driver of the servo motor, so that the two-axis vibration forming device of the ballastless track plate can output two-axis vibration signals corresponding to vibration frequency and vibration track, and further the variable load working condition in the concrete pouring process can be well adapted.
The two-axis vibration forming device for the ballastless track slab is simple in structure, the rotating speed of the servo motor is controlled to change the motion track and the vibration frequency of the two-axis vibration, so that the vibration forming is better suitable for the variable load working condition in the concrete pouring process, the concrete vibration is more uniform, and the forming quality of the ballastless track slab is greatly improved while the vibration forming efficiency is improved; in addition, the application scope of the two-axis vibration is wider than that of the traditional single-axis vibration.
The description of the embodiments is merely an illustration of the implementation of the inventive concept and the scope of the invention should not be construed as limited to the particular forms set forth in the embodiments, but the scope of the invention and the equivalents thereof will occur to those skilled in the art based on the inventive concept.
Claims (7)
1. The utility model provides a ballastless track board diaxon vibration forming device, includes track board mould, horizontal vibrating device, vertical vibrating device, spring damper, base and horizontal strutting arrangement, track board mould base be equipped with vertical vibrating device, vertical vibrating device be fixed in on the base, mould one side be fixed with horizontal vibrating device, the opposite side is fixed with horizontal strutting arrangement, horizontal vibrating device and horizontal strutting arrangement all link to each other with corresponding vertical vibrating device. The vertical vibrating device provide vertical vibrating force for the track slab, the horizontal vibrating device provides horizontal vibrating force for the track slab, the horizontal supporting device is used for supporting the other side of the track slab die, the spring damper located on the base is used for carrying out auxiliary support on the horizontal vibrating device, and therefore the large-mass horizontal vibrating device is prevented from generating lateral overturning, and the working safety of the whole device is improved.
2. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the base include roof, gusset, bottom plate and stand, the bottom plate evenly distributed all around have the buckle, the bolt hole on the buckle is used for the fixed of base and ground, the roof on be equipped with the bolt hole, the accessible bolt is fixed vertical vibrating device on the roof, the gusset that is located between stand and the bottom plate can strengthen the structural strength of base, increase the supporting stability of base to vertical vibrating device.
3. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the vertical vibrating device comprises a vertical roller, a vertical cam, a vertical vibrating plate, a vertical smooth guide pillar, a vertical servo motor, a vertical fixing plate, a vertical spring, a vertical cam shaft, a vertical roller support and a vertical belt wheel, wherein the vertical roller support is arranged below the vertical vibrating plate, a groove for installing the vertical roller is formed in the middle of the vertical roller support, concentric cylindrical holes are formed in two sides of the groove, and the vertical roller can be installed on the vertical roller support through shafts penetrating through the cylindrical holes. The vertical cam shaft middle part install vertical cam, the tip is equipped with the keyway that is used for fixed vertical cam shaft and vertical band pulley. The vertical cam shaft is located under the vertical cam shaft, the vertical springs are symmetrically distributed on two sides of the vertical vibrating plate, one end of each vertical spring is connected with the vertical vibrating plate, the other end of each vertical spring is connected with the vertical fixing plate fixed on the base, the vertical springs can ensure that the vertical cam shaft on the vertical cam shaft support is always contacted with the vertical cam in the middle of the vertical cam shaft, and the vertical springs can lighten the influence of gravity of components such as the vertical vibrating plate and the like and inertia force brought during reciprocating motion on the vibrating process. When the vertical vibration device works, the vertical servo motor drives the vertical cam shaft to rotate through the belt, the vertical cam in the middle of the vertical cam shaft drives the vertical roller to move up and down when rotating, and the vertical roller below the vertical vibration plate further drives the vertical vibration plate to reciprocate up and down along four vertical smooth guide posts fixed on the vertical fixing plate, so that vertical vibration force is generated through movement of the vertical cam.
4. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the horizontal vibration device comprises a horizontal cam, a horizontal servo motor, a horizontal fixing plate, a horizontal folded plate, a horizontal smooth guide post, a horizontal vibration plate, a horizontal pulley guide rail, a horizontal spring, a horizontal roller support, a horizontal cam shaft, a horizontal roller and a hydraulic locking device, wherein the hydraulic locking device is fixed on the horizontal vibration plate, the horizontal roller support is arranged on the right of the horizontal vibration plate, a groove for installing the horizontal roller is formed in the middle of the horizontal roller support, the roller is installed on the horizontal roller support, the horizontal cam shaft is located on the right of the horizontal roller, the horizontal cam is installed in the middle of the horizontal cam shaft, and the horizontal springs symmetrically distributed on the two sides of the horizontal vibration plate can ensure that the horizontal roller on the horizontal roller support is always contacted with the horizontal cam on the horizontal cam shaft. The horizontal fixing plate top be equipped with two drainage flat pulley guide rails, the track board mould can be on horizontal pulley guide rail horizontal slip, the horizontal fixing plate fix on the horizontal folded plate, be equipped with two rows of structure deep floor on the horizontal folded plate for increase structural strength. When the horizontal vibration device works, the horizontal servo motor drives the horizontal cam shaft to rotate through the belt, the horizontal cam in the middle of the horizontal cam shaft drives the horizontal roller on the horizontal roller support to move, and the horizontal roller connected with the horizontal vibration plate drives the horizontal vibration plate to horizontally reciprocate along the four horizontal smooth guide posts, so that horizontal vibration force is generated. Meanwhile, as the lower part of the horizontal folded plate is fixedly connected with the vertical vibrating plate in the vertical vibrating device, the horizontal folded plate drives the horizontal vibrating device to vibrate synchronously and vertically while the vertical vibrating plate vibrates. At the moment, the two-axis vibration forming device of the ballastless track plate can generate two-axis vibration forces in the vertical direction and the horizontal direction simultaneously.
5. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the spring damper comprises a connecting bolt, a sliding plate, a spring seat and a damping spring. The spring seat bottom be equipped with two symmetrical bolt holes for it is fixed with spring damper and base, the inboard of spring seat is equipped with the guide way that supplies the sliding plate to slide from top to bottom, sliding plate and spring seat between be equipped with damping spring, connecting bolt can be with the sliding plate with horizontal folded plate in the horizontal vibrating device be connected. During operation of the spring damper, gravity of components such as the horizontal vibration device and inertia force generated during movement are transmitted to the spring damper through the connecting bolts, the sliding plate connected with the connecting bolts moves along the guide groove on the inner side of the spring seat, and at the moment, the damping spring between the sliding plate and the spring seat can realize auxiliary support of the horizontal vibration device, overcome the influence of gravity and inertia force, further avoid the large-mass horizontal vibration device from generating lateral overturning, and improve the working safety of the whole device.
6. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the hydraulic locking device comprises a sliding sleeve, a hydraulic cylinder, a vibration end head and an annular buckle, wherein the hydraulic locking device is fixed on the horizontal vibration plate through a flange plate on the hydraulic cylinder. The end part of the vibration end is fixed on the track plate die, the vibration end can transmit the vibration force of the horizontal vibration plate to the track plate die, square grooves are uniformly distributed on the side surface of the vibration end, and the annular buckle is fixed in the square grooves of the vibration end through the special-shaped springs. The inner side of the sliding sleeve is provided with a sliding groove overlapped with the inclined surface of the annular buckle, a sealing ring for preventing hydraulic oil leakage is arranged in the hydraulic cylinder, and two sides of the track plate die are provided with a cylindrical hole body matched with the vibration end of the hydraulic locking device and an annular groove matched with the annular buckle. When the vibration end enters the cylindrical hole body of the track plate die, the external hydraulic circuit controls the oil inlet A of the hydraulic cylinder to feed oil and the oil outlet B to discharge oil, so that the sliding sleeve is pushed to slide along the vibration end, and the annular buckle is ejected out under the action of the special-shaped spring and then is combined with the annular groove in the die, so that the purpose of locking the track plate die and the horizontal vibration device is achieved. When the locking state of the hydraulic locking device is required to be canceled, the external hydraulic circuit controls the oil inlet B of the hydraulic cylinder to feed oil and the oil outlet A to push the sliding sleeve to slide along the vibration end, and at the moment, the annular buckle is separated from the annular groove in the die under the action of the sliding groove at the inner side of the sliding sleeve, so that the purpose of separating the track plate die from the horizontal vibration device is achieved.
7. The ballastless track slab two-axis vibration molding device of claim 1, wherein: the horizontal supporting device comprises a supporting spring, a supporting sliding plate, a supporting fixing plate, a supporting folded plate, a supporting smooth guide post, a supporting pulley block and a hydraulic locking device. The support fixed plate on be equipped with two rows of supporting pulley blocks for realize the slip of track board mould horizontal direction, hydraulic locking device fixes on supporting the sliding plate, the support spring one end that is located the supporting sliding plate both sides be connected with supporting the sliding plate, the other end is connected with supporting the fixed plate, the horizontal fixed plate fix on supporting the folded plate, the folded plate that supports link to each other with the vertical vibrating plate that corresponds vertical vibrating device. When the horizontal vibration device works, the hydraulic locking device locks the track plate die with the horizontal supporting device, the hydraulic locking device fixed on the supporting sliding plate can horizontally move along four supporting smooth guide posts which are symmetrically arranged, the horizontal supporting device is mainly used for guiding and supporting the track plate die when horizontally vibrating, and when the vertical vibration device connected with the horizontal supporting device also starts to work at the same time, vertical vibrating force generated by the vertical vibration device is transmitted to the track plate die through the horizontal supporting device, so that two-axis vibration excitation of the track plate die is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311021002.4A CN116787576A (en) | 2023-08-15 | 2023-08-15 | Two-axis vibration forming device for ballastless track plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311021002.4A CN116787576A (en) | 2023-08-15 | 2023-08-15 | Two-axis vibration forming device for ballastless track plate |
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| CN116787576A true CN116787576A (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311021002.4A Pending CN116787576A (en) | 2023-08-15 | 2023-08-15 | Two-axis vibration forming device for ballastless track plate |
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| Country | Link |
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| CN (1) | CN116787576A (en) |
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- 2023-08-15 CN CN202311021002.4A patent/CN116787576A/en active Pending
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