CN112297960A - Joint device for conductor rail and conductor rail system with same - Google Patents
Joint device for conductor rail and conductor rail system with same Download PDFInfo
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- CN112297960A CN112297960A CN201910680651.2A CN201910680651A CN112297960A CN 112297960 A CN112297960 A CN 112297960A CN 201910680651 A CN201910680651 A CN 201910680651A CN 112297960 A CN112297960 A CN 112297960A
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- rail
- conductive
- fixed
- moving
- piece
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
- B60M1/305—Joints
Abstract
The invention discloses a joint device for a conductor rail and a conductor rail system with the same. The piecing devices include: the movable rail is arranged at one end of the fixed rail in the length direction, and a first rail groove is formed in the movable rail; the transition connecting piece is provided with a connecting end and a sliding end, the connecting end is connected to the fixed rail, and the sliding end is in sliding fit with the first rail groove; the first pressing piece is fixed on the fixed rail and is positioned on one side, far away from the fixed rail, of the transition connecting piece; and the second pressing piece is fixed on the moving rail and is positioned on one side of the transition connecting piece, which is far away from the moving rail. The joint device is fixed on the fixed rail through the connecting end of the transition connecting piece, the sliding end can slide in the first rail groove of the movable rail, and when the conductor rail expands with heat and contracts with cold to generate length direction expansion, the joint device can be connected between the fixed rail and the movable rail more firmly, so that the stability of the conductor rail is improved.
Description
Technical Field
The invention relates to the field of rail transit, in particular to a conductor rail system with a joint device for conductor rails.
Background
In recent years, the number of contact rail power supply lines in urban rail transit is increasing, the expansion joint plays roles of mechanical connection and electrical connection in the contact rail power supply line, and meanwhile, the expansion amount of the power supply line generated by expansion caused by heat and contraction caused by cold is compensated, so that the expansion joint is an important component device of the whole contact rail power supply system.
The expansion joint of the related art is connected between two conductive rails, but the expansion joint is easy to shake when the two conductive rails move relatively, so that unstable potential safety hazards exist in connection of the conductive rails on two sides.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
To this end, the present invention provides a joint device for a conductor rail, which makes a moving rail and a fixed rail more stable during relative movement, thereby improving the stability of the conductor rail.
The invention also provides a conductor rail system with the joint device.
A joint arrangement for conductor rails according to an embodiment of the invention, the joint arrangement comprising: the movable rail is arranged at one end of the fixed rail in the length direction, and a first rail groove is formed in the movable rail; the transition connecting piece is provided with a connecting end and a sliding end, the connecting end is connected to the fixed rail, and the sliding end is in sliding fit with the first rail groove; the first pressing piece is fixed on the fixed rail and is positioned on one side, far away from the fixed rail, of the transition connecting piece; and the second pressing piece is fixed on the moving rail and is positioned on one side of the transition connecting piece far away from the moving rail.
According to the joint device for the conductor rails, the connecting end of the transition connecting piece is fixed between the fixed rail and the first pressing piece, and the sliding end of the transition connecting piece can slide between the first rail groove and the second pressing piece, so that the transition connecting piece can firmly connect the movable rail to the fixed rail even if the movable rail moves relative to the fixed rail when the conductor rails expand with heat and contract with cold, the movable rail and the fixed rail are more stable when moving relative to each other, the connecting effect of the joint device is ensured, and the connection between the two conductor rails is more stable, so that the stability of the conductor rails is improved.
In some embodiments of the present invention, a first mating portion is disposed on the second pressing member, a second mating portion is disposed on the transition piece, and the first mating portion and the second mating portion cooperate to limit displacement of the transition piece in a length direction of the moving rail.
In some embodiments of the present invention, the first matching portion is a first elongated guide hole extending along a length direction of the moving rail, and the second matching portion includes a first guide through hole penetrating through the transition connector in a thickness direction of the transition connector and a vertical guide rod passing through the first guide through hole and slidably matching with the first elongated guide hole.
In some embodiments of the present invention, the joint device further includes a first rotation preventing member provided in the first guide through hole and engaged with the vertical guide bar to prevent rotation of the vertical guide bar.
In some embodiments of the present invention, a third matching portion is disposed on the moving rail, a fourth matching portion is disposed on the transition piece, and the third matching portion and the fourth matching portion are matched to limit the displacement of the transition piece in the length direction of the moving rail.
In some embodiments of the present invention, second guiding through holes are formed in opposite sidewalls of the first rail groove, the fourth engaging portion is a second elongated guiding hole formed along a length direction of the moving rail, the third engaging portion is a transverse guiding rod inserted into the second elongated guiding hole and slidably engaged with the second elongated guiding hole, and two ends of the transverse guiding rod are respectively connected to two of the second guiding through holes.
In some embodiments of the invention, an adjustment shim is disposed between the transition piece and the first compression element to adjust an escape gap between the transition piece and the second compression element.
In some embodiments of the present invention, the joint assembly further includes a moving liner disposed within the first track groove, the second presser being coupled to the moving liner.
In some embodiments of the present invention, the opposite side walls of the first rail groove are provided with a locking groove, two ends of the movable lining element respectively extend into the locking grooves, the movable lining element is provided with a through hole, and the joint device further includes a connecting bolt passing through the through hole and being matched with the second pressing element.
In some embodiments of the invention, a non-circular second anti-rotation member is provided in the through hole, and the head of the connecting bolt is in contact with the inner wall of the second anti-rotation member.
In some embodiments of the invention, two sides of the second pressing piece are provided with clamping feet, and two outer side walls of the moving rail are respectively contacted with the clamping feet on the corresponding sides.
In some embodiments of the present invention, the ends of the moving rail and the fixed rail facing each other are each formed as a mating slope.
In some embodiments of the present invention, the connector device further comprises a conductive mechanism, and both ends of the conductive mechanism are electrically connected to the first pressing member and the second pressing member, respectively.
In some embodiments of the invention, the conductive mechanism comprises an elastically deformable annular conductive strip and two conductive plates symmetrically arranged on the annular conductive strip; the second pressing piece is connected with a movable supporting block, the first pressing piece is connected with a fixed supporting block, the movable supporting block and the fixed supporting block are arranged in a staggered mode in the width direction of the movable rail, and the two conductive plates are connected to the movable supporting block and the fixed supporting block respectively.
In some embodiments of the invention, the conductive mechanism comprises a conductive post; the second pressing piece is connected with a first supporting sleeve, the first pressing piece is connected with a second supporting sleeve, the conductive column is electrically connected with the first supporting sleeve and the second supporting sleeve respectively, and the conductive column is movably matched with at least one of the first supporting sleeve and the second supporting sleeve.
In some embodiments of the present invention, annular spring fingers are respectively disposed between the conductive post and the first supporting sleeve, and between the conductive post and the second supporting sleeve.
According to an embodiment of the invention, a conductor rail system comprises: two conducting rails and a joint device according to the above embodiment of the invention, wherein the ends of the fixed rail and the moving rail away from each other are respectively connected with the two conducting rails.
According to the conductor rail system provided by the embodiment of the invention, the connecting end of the transition connecting piece is fixed between the fixed rail and the first pressing piece, and the sliding end of the transition connecting piece can slide between the first rail groove and the second pressing piece, so that the transition connecting piece can firmly connect the movable rail to the fixed rail even if the movable rail moves relative to the fixed rail when the conductor rail expands with heat and contracts with cold, the movable rail and the fixed rail are more stable when moving relative to each other, the connecting effect of the joint device is ensured, the connection between the two conductor rails is more stable, and the stability of the conductor rail system is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic perspective view of a joint device according to an embodiment of the present invention;
FIG. 2 is a top view of a splice device according to embodiments of the present invention;
FIG. 3 is a side view of a splice device according to embodiments of the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 3;
FIG. 5 is an exploded view of a joint arrangement according to an embodiment of the invention;
FIG. 6 is a schematic diagram of a configuration of a moving liner of a joint assembly according to an embodiment of the present invention;
fig. 7 is a schematic perspective view of a connector device with conductive pillars mounted thereon according to an embodiment of the present invention;
fig. 8 is a top view of a connector device with mounted conductive posts in accordance with an embodiment of the present invention.
Reference numerals:
100. a splice device;
1. a fixed rail; 11. a mating bevel;
2. a moving rail; 21. a first track groove; 211. a second guide through hole; 212. a card slot;
3. a transition piece; 31. a first guide through hole; 32. a vertical guide rod; 33. a first rotation preventing member; 34. a second elongated guide hole; 35. a transverse guide rod;
4. a first pressing member; 41. fixing a supporting block; 42. a second support sleeve;
5. a second pressing member; 51. a first elongate guide hole; 52. clamping a pin; 53. moving the supporting block; 54. a first support sleeve;
6. adjusting the gasket;
7. moving the liner; 71. perforating; 711. a groove; 72. a connecting bolt; 73. a second rotation prevention member;
8. a conductive mechanism; 81. a circular conductive band; 82. a conductive plate; 821. an outer plate; 822. an inner plate; 83. a conductive post;
9. and a shaft sleeve.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meaning of the above terms in some embodiments of the invention may be understood in specific instances by those of ordinary skill in the art.
A joint arrangement 100 for conductive rails according to an embodiment of the invention, the joint arrangement 100 being for connecting two conductive rails, is described below with reference to fig. 1-8. When the rail vehicle runs, the current-donating piece on the rail vehicle can be transited from one conductive rail to another conductive rail through the joint device 100 so as to take electricity.
The joint device 100 according to the embodiment of the present invention includes: the fixed rail 1, move rail 2, transition connection 3, first casting die 4 and second casting die 5, move rail 2 and establish the one end at the length direction of fixed rail 1, be equipped with first track groove 21 in moving rail 2. Specifically, the ends of the fixed rail 1 and the moving rail 2 remote from each other are respectively connected to two conductive rails to connect the two conductive rails.
The transition piece 3 has a connection end connected to the fixed rail 1 and a sliding end slidably fitted to the first rail groove 21. The first pressure piece 4 is fixed on the fixed rail 1 and is positioned on one side of the transition piece 3 far away from the fixed rail 1. The second pressure piece 5 is fixed on the moving rail 2 and is positioned on one side of the transition piece 3 far away from the moving rail 2. Specifically, as shown in fig. 1, both the moving rail 2 and the fixed rail 1 may be formed as "C" shaped rails.
It should be noted that one end of the transition piece 3 is located between the first pressing piece 4 and the fixed rail 1, and the first pressing piece 4, the transition piece 3 and the fixed rail 1 are sequentially arranged from top to bottom. The other end of transition piece 3 is located between second casting die 5 and removal rail 2, both from top to bottom be equipped with second casting die 5, transition piece 3 and removal rail 2 in proper order. It should be noted that the above and below directions in the present invention are only exemplary, and are not specific limitations of the present invention.
According to the joint device 100 for the conductor rail, the connecting end of the transition connecting piece 3 is fixed between the fixed rail 1 and the first pressing piece 4, and the sliding end of the transition connecting piece 3 can slide between the first rail groove 21 and the second pressing piece 5, so that when the conductor rail expands with heat and contracts with cold, even if the movable rail 2 moves relative to the fixed rail 1, the transition connecting piece 3 can firmly connect the movable rail 2 to the fixed rail 1, the movable rail 2 and the fixed rail 1 can move relatively more stably, the connecting effect of the joint device 100 is ensured, the connection between the two conductor rails is firmer, and the stability of the conductor rail is improved.
In some embodiments of the present invention, the second pressing member 5 is provided with a first mating portion, and the transition piece 3 is provided with a second mating portion, and the first mating portion and the second mating portion cooperate to limit the displacement of the transition piece 3 in the length direction of the moving rail 2. Specifically, the first matching part on the second pressing part 5 is matched with the second matching part on the transition connecting part 3, so that when the movable rail 2 moves relative to the fixed rail 1, the sliding distance of the transition connecting part 3 in the first rail groove 21 of the movable rail 2 can be limited, the transition connecting part 3 is prevented from falling off from the movable rail 2, the disconnection between the movable rail 2 and the fixed rail 1 is prevented, and the working reliability of the joint device 100 is ensured. Alternatively, the first presser member 4 and the second presser member 5 may be substantially plate-shaped, so that the first presser member 4 and the second presser member 5 are simple in structure.
In some embodiments of the present invention, as shown in fig. 5, the first matching portion is a first elongated guide hole 51 extending along the length direction of the moving rail 2, the second matching portion includes a first guide through hole 31 and a vertical guide rod 32, the first guide through hole 31 penetrates through the transition piece 3 in the thickness direction of the transition piece 3, and the vertical guide rod 32 passes through the first guide through hole 31 and is slidably matched with the first elongated guide hole 51. That is to say, because be formed with first rectangular guiding hole 51 on the removal rail 2, vertical guide arm 32 can slide along the length direction of first rectangular guiding hole 51 in first rectangular guiding hole 51, can play the guide effect and can avoid transition piece 3 to drop from removing in the rail 2 when removing rail 2 and removing to make the simple structure of first cooperation portion and second cooperation portion.
In other embodiments of the present invention, the first engaging portion includes a first guiding through hole 31 and a vertical guide rod 32, the second engaging portion is a first elongated guiding hole 51 extending along the length direction of the moving rail 2, the first guiding through hole 31 penetrates the second presser 5 in the thickness direction of the second presser 5, and the vertical guide rod 32 penetrates the first guiding through hole 31 and is slidably engaged with the first elongated guiding hole 51. That is to say, because be formed with first rectangular guiding hole 51 on the second casting die 5, vertical guide arm 32 can slide along the length direction of first rectangular guiding hole 51 in first rectangular guiding hole 51, can play the guide effect and can avoid transitional coupling piece 3 to drop from moving in the rail 2 when moving rail 2 removes to make the simple structure of first cooperation portion and second cooperation portion. It is of course understood that the structure of the first mating portion and the structure of the second mating portion are not limited thereto, for example, the first mating portion may be formed as a groove and the second mating portion may be formed as a protrusion extending into the groove, as long as it is ensured that the first mating portion and the second mating portion can define the displacement of the transition piece 3 in the length direction of the moving rail 2.
Further, as shown in fig. 5, in order to reduce friction between the vertical guide rod 32 and the first elongated guide hole 51 and improve the guiding function of the first elongated guide hole 51, a bushing 9 is sleeved on the vertical guide rod 32, and the vertical guide rod 32 slides in the first elongated guide hole 51 through the bushing 9.
In some embodiments of the present invention, as shown in fig. 5, the joint device 100 further includes a first rotation-preventing member 33, and the first rotation-preventing member 33 is disposed in the first guide through hole 31 and cooperates with the vertical guide bar 32 to prevent the vertical guide bar 32 from rotating. Thereby preventing the vertical guide rod 32 from being moved by the rotation of the vertical guide rod 32 and ensuring that the vertical guide rod 32 can slide in the first guide through hole 31. In some embodiments of the present invention, the first anti-rotation member 33 is a rectangular anti-rotation ring, a rectangular anti-rotation groove is formed at the lower end of the first guiding through hole 31, the rectangular anti-rotation ring is installed in the rectangular anti-rotation groove, the vertical guide rod 32 can be a bolt, and a bolt head of the bolt is clamped in the rectangular anti-rotation ring, so that the bolt head cannot rotate in the rectangular anti-rotation groove, and the first anti-rotation member 33 has an anti-rotation effect on the vertical guide rod 32. Of course, in other embodiments of the present invention, the first anti-rotation member 33 may take other non-circular shapes, such as square or diamond, without limitation.
In some embodiments of the present invention, a third mating portion is provided on the moving rail 2, and a fourth mating portion is provided on the transition piece 3, and the third mating portion and the fourth mating portion cooperate to limit the displacement of the transition piece 3 in the length direction of the moving rail 2. Specifically, through the cooperation of the third cooperation portion on the movable rail 2 and the fourth cooperation portion on the transition piece 3, when the movable rail 2 moves relative to the fixed rail 1, the sliding distance of the transition piece 3 in the first rail groove 21 of the movable rail 2 can be further limited, the transition piece 3 is prevented from falling off from the movable rail 2, the disconnection between the movable rail 2 and the fixed rail 1 is prevented, and the working reliability of the joint device 100 is ensured.
In some embodiments of the present invention, as shown in fig. 5, the opposite sidewalls of the first rail groove 21 are provided with second guide through holes 211, the fourth matching portion is a second elongated guide hole 34 disposed along the length direction of the moving rail 2, the third matching portion is a transverse guide rod 35 passing through the second elongated guide hole 34 and slidably matching with the second elongated guide hole 34, and two ends of the transverse guide rod 35 are respectively connected to the two second guide through holes 211. Particularly, because the second long guide hole 34 is formed in the transition piece 3, the transverse guide rod 35 can slide in the second long guide hole 34 along the length direction of the moving rail 2, so that the moving rail 2 can play a role in guiding and the transition piece 3 can be prevented from falling off from the moving rail 2 when moving, and the fourth matching part and the third matching part are simple in structure.
In other embodiments of the present invention, a second guiding through hole 211 is disposed on a sidewall of the transition piece 3, the fourth matching portion is located on the moving rail 2, the fourth matching portion is a second elongated guiding hole 34 disposed along a length direction of the moving rail 2, the third matching portion is a transverse guide rod 35 penetrating through the second elongated guiding hole 34 and slidably matching with the second elongated guiding hole 34, and the transverse guide rod 35 is connected in the second guiding through hole 211, that is, because the second elongated guiding hole 34 is formed on the transition piece 3, the transverse guide rod 35 can slide in the second elongated guiding hole 34 along the length direction of the moving rail 2, the moving rail 2 can play a guiding role when moving, and the transition piece 3 can be prevented from falling off from the moving rail 2, so that the fourth matching portion and the third matching portion have a simple structure. It will of course be appreciated that the configuration of the third and fourth mating portions is not limited thereto, for example the third mating portion may be formed as a recess and the fourth mating portion may be formed as a projection extending into the recess, as long as it is ensured that the third and fourth mating portions cooperate to define the displacement of the transition piece 3 in the length direction of the moving rail 2.
In addition, in some embodiments of the present invention, as shown in fig. 5, in order to enable the transverse guide rod 35 to better move in the second elongated guide hole 34, bushings 9 may be sleeved on both ends of the transverse guide rod 35, and the transverse guide rod 35 slides in the second elongated guide hole 34 through the bushings 9, so as to further reduce the frictional resistance between the transition piece 3 and the opposite sidewalls of the first track groove 21, thereby improving the guiding effect of the transverse guide rod 35.
In some embodiments of the present invention, as shown in FIG. 5, a spacer 6 is provided between the transition piece 3 and the first presser piece 4 to adjust the clearance gap between the transition piece 3 and the second presser piece 5. Specifically, the adjusting shim 6 is padded between the transition connecting piece 3 and the first pressing piece 4, so that an avoiding gap is formed between the transition connecting piece 3 and the second pressing piece 5, and the sliding of the moving rail 2 is facilitated. Specifically, the number and thickness of the adjusting shims 6 may be selected according to actual conditions.
As shown in fig. 1 to 5, in some embodiments of the present invention, the joint device 100 further includes a moving liner 7, the moving liner 7 being disposed in the first track groove 21, and the second presser 5 being coupled to the moving liner 7. Specifically, since the movable liner 7 is coupled in the first rail groove 21, the second presser 5 is coupled to the movable rail 2 through the movable liner 7, so that the second presser 5 can be more stably coupled to the movable rail 2.
In some embodiments of the present invention, as shown in fig. 1, the opposite side walls of the first track groove 21 are provided with locking grooves 212, two ends of the movable lining element 7 respectively extend into the locking grooves 212, the movable lining element 7 is provided with a through hole 71, and the joint device 100 further includes a connecting bolt 72 passing through the through hole 71 and being engaged with the second pressing element 5. Specifically, the two ends of the movable lining 7 are clamped in the clamping grooves 212, and the second pressing member 5 is connected with the movable lining 7 through the connecting bolt 72, so that the second pressing member 5 is fixed on the movable rail 2 through the movable lining 7. Thereby further enabling the second presser member 5 to be more stably coupled to the moving rail 2. Similarly, the first pressing member 4 can also be fixed on the fixed rail 1 through the transition piece 3, so that the first pressing member 4 can be more stably connected on the fixed rail 1.
As shown in fig. 6, in some embodiments of the present invention, in order to prevent the rotation of the connecting bolt 72 and ensure the fixing reliability of the connecting bolt 72, a groove 711 is formed at the lower end of the through hole 71, a non-circular second anti-rotation member 73 is installed in the groove 711, and the bolt head of the connecting bolt 72 contacts with the inner wall of the second anti-rotation member 73. In some embodiments of the present invention, the second anti-rotation member 73 is identical in structure to the first anti-rotation member 33 to ensure that the connecting bolt 72 does not rotate within the through hole 71.
In some embodiments of the present invention, as shown in fig. 5, two sides of the second pressing member 5 are provided with the locking legs 52, and two outer side walls of the moving rail 2 are respectively in contact with the locking legs 52 on the corresponding sides. Specifically, the two outer side walls of the moving rail 2 can be engaged by the engaging legs 52 on both sides of the second presser member 5, thereby preventing the outer side walls of the moving rail 2 from being opened and deformed. In some embodiments of the present invention, as shown in fig. 1, 3 and 5, the ends of the moving rail 2 and the fixed rail 1 facing each other are each formed as a mating slope 11. Thereby facilitating a smooth transition of the dictation. Further, two mating slopes 11 are arranged in parallel.
In some embodiments of the present invention, as shown in fig. 2 and 5, the connector device 100 further includes a conductive member 8, and both ends of the conductive member 8 are electrically connected to the first pressing member 4 and the second pressing member 5, respectively. Specifically, when the movable rail 2 is moved relative to the fixed rail 1 by the conductive mechanism 8 connected to the first presser member 4 and the second presser member 5, the electrical connection between the movable rail 2 and the fixed rail 1 can be ensured.
As shown in fig. 1 to 5, in some embodiments of the present invention, the conductive mechanism 8 includes an elastically deformable annular conductive strip 81 and two conductive plates 82 symmetrically disposed on the annular conductive strip 81. The second pressing piece 5 is connected with a movable supporting block 53, the first pressing piece 4 is connected with a fixed supporting block 41, the movable supporting block 53 and the fixed supporting block 41 are arranged in a staggered mode along the width direction of the movable rail 2, and the two conductive plates 82 are connected to the movable supporting block 53 and the fixed supporting block 41 respectively. Specifically, when the moving rail 2 moves relative to the fixed rail 1, the annular conductive strip 81 elastically deforms in the longitudinal direction of the moving rail 2, the fixed rail 1 is electrically connected to one end of the annular conductive strip 81 through the fixed support block 41 on the first pressing member 4, and the moving rail 2 is electrically connected to the other end of the annular conductive strip 81 through the moving support block 53 on the second pressing member 5, so that the structure of the conductive mechanism 8 is reliable, and the electrical connection between the moving rail 2 and the fixed rail 1 is ensured.
In some embodiments of the present invention, each conductive plate 82 includes an inner plate 822 and an outer plate 821, and the circular conductive band 81 is connected between the inner plate 822 and the outer plate 821, so that the strength of the conductive plate 82 can be improved.
As shown in fig. 7-8, in other embodiments of the present invention, the conductive mechanism 8 includes a conductive post 83. The second pressing member 5 is connected with a first supporting sleeve 54, the first pressing member 4 is connected with a second supporting sleeve 42, the conductive column 83 is respectively and electrically connected with the first supporting sleeve 54 and the second supporting sleeve 42, and the conductive column 83 is movably matched with at least one of the first supporting sleeve 54 and the second supporting sleeve 42. Thereby making the structure of the conductive mechanism 8 simple and functioning as a guide when the moving rail 2 moves relative to the fixed rail 1.
In some embodiments of the present invention, the conductive post 83 forms a sliding fit in both the first support sleeve 54 and the second support sleeve 42, so that even though the moving rail 2 and the fixed rail 1 can be electrically conductive through the conductive post 83, the moving rail 2 can also function as a guide when moving relative to the fixed rail 1.
Of course, in other embodiments of the present invention, the conductive column 83 may also be slidably fitted in one of the first supporting sleeve 54 and the second supporting sleeve 42, and the conductive column 83 is fixedly connected to the other one of the first supporting sleeve 54 and the second supporting sleeve 42, so that the movable rail 2 and the fixed rail 1 can be electrically conducted through the conductive column 83 and can serve as a guide when the movable rail 2 moves relative to the fixed rail 1. In some embodiments of the present invention, the number of the conductive pillars 83 is two, however, in other embodiments, the number of the conductive pillars 83 may also be 3, 4 or more, which is not limited herein,
in some embodiments of the present invention, annular spring fingers are respectively disposed between the conductive post 83 and the first support sleeve 54, and between the conductive post 83 and the second support sleeve 42. It should be noted that the electrical conductivity between the conductive post 83 and the first support sleeve 54, and between the conductive post 83 and the second support sleeve 42, can be improved by providing the annular spring fingers.
According to an embodiment of the invention, a conductor rail system comprises: a joint device 100 and two conductive rails, the joint device 100 being the joint device 100 according to the above embodiment of the present invention, and the ends of the fixed rail 1 and the moving rail 2 away from each other being connected to the two conductive rails, respectively.
According to the conductor rail system of the embodiment of the invention, the connecting end of the transition connecting piece 3 is fixed between the fixed rail 1 and the first pressing piece 4, and the sliding end of the transition connecting piece 3 can slide between the first rail groove 21 and the second pressing piece 5, so that when the conductor rail expands with heat and contracts with cold, even if the movable rail 2 moves relative to the fixed rail 1, the transition connecting piece 3 can firmly connect the movable rail 2 to the fixed rail 1, so that the movable rail 2 and the fixed rail 1 move relatively more stably, the connection effect of the joint device 100 is ensured, the connection between two conductor rails is firmer, and the stability of the conductor rail system is improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (17)
1. A joint arrangement for conductor rails, characterized in that the joint arrangement comprises:
the movable rail is arranged at one end of the fixed rail in the length direction, and a first rail groove is formed in the movable rail;
the transition connecting piece is provided with a connecting end and a sliding end, the connecting end is connected to the fixed rail, and the sliding end is in sliding fit with the first rail groove;
the first pressing piece is fixed on the fixed rail and is positioned on one side, far away from the fixed rail, of the transition connecting piece;
and the second pressing piece is fixed on the moving rail and is positioned on one side of the transition connecting piece far away from the moving rail.
2. A joint arrangement for conductor rails according to claim 1, wherein the second presser member is provided with a first engagement portion and the transition piece is provided with a second engagement portion, the first and second engagement portions cooperating to limit displacement of the transition piece in the direction of the length of the moving rail.
3. The joint device for conductive rails according to claim 2, wherein the first engaging portion is a first elongated guide hole extending along a length direction of the moving rail, the second engaging portion includes a first guide through hole penetrating the transition piece in a thickness direction of the transition piece, and a vertical guide rod passing through the first guide through hole to be slidably engaged with the first elongated guide hole.
4. The joint device for a conductor rail according to claim 3, further comprising a first rotation preventing member provided in the first guide through hole and engaged with the vertical guide bar to prevent the vertical guide bar from rotating.
5. A joint arrangement for conductor rails according to claim 1, wherein a third cooperating portion is provided on the moving rail and a fourth cooperating portion is provided on the transition piece, the third and fourth cooperating portions cooperating to limit displacement of the transition piece in the length direction of the moving rail.
6. The joint device for conductive rails according to claim 5, wherein the opposite side walls of the first rail groove are provided with second guiding through holes, the fourth engaging portion is a second elongated guiding hole along the length direction of the movable rail, the third engaging portion is a transverse guiding rod passing through the second elongated guiding hole and slidably engaged with the second elongated guiding hole, and two ends of the transverse guiding rod are connected to the two second guiding through holes respectively.
7. The joint arrangement for conductor rails as claimed in claim 1, wherein a spacer is provided between the transition piece and the first pressing member to adjust an escape gap between the transition piece and the second pressing member.
8. A joint arrangement for conductor rails according to claim 1, further comprising a moving liner disposed within the first rail groove, the second presser being connected to the moving liner.
9. The joint device for a conductor rail according to claim 8, wherein the first rail groove has locking grooves formed on opposite sidewalls thereof, both ends of the moving liner respectively extend into the locking grooves, the moving liner has a through hole formed therein, and the joint device further comprises a connecting bolt passing through the through hole and engaging with the second pressing member.
10. The joint device for a conductor rail according to claim 9, wherein a non-circular second rotation-preventing member is provided in the through hole, and a head of the connecting bolt is in contact with an inner wall of the second rotation-preventing member.
11. The joint device for conductive rail according to claim 1, wherein the second pressing member is provided at both sides thereof with catching legs, and both outer side walls of the moving rail are respectively contacted with the catching legs of the corresponding side.
12. A joint arrangement for conductor rails according to claim 1, characterised in that the ends of the moving rail and the fixed rail facing each other are each formed as a mating ramp.
13. A joint arrangement for conductor rails according to any one of claims 1 to 12, further comprising conductive means electrically connected at both ends to the first and second pressing members respectively.
14. A joint arrangement for conductive rails according to claim 13, wherein said conductive means comprises an elastically deformable annular conductive strip and two conductive plates symmetrically disposed on said annular conductive strip;
the second pressing piece is connected with a movable supporting block, the first pressing piece is connected with a fixed supporting block, the movable supporting block and the fixed supporting block are arranged in a staggered mode in the width direction of the movable rail, and the two conductive plates are connected to the movable supporting block and the fixed supporting block respectively.
15. A joint arrangement for conductor rails according to claim 13, characterised in that the electrically conductive means comprise a conductive post;
the second pressing piece is connected with a first supporting sleeve, the first pressing piece is connected with a second supporting sleeve, the conductive column is electrically connected with the first supporting sleeve and the second supporting sleeve respectively, and the conductive column is movably matched with at least one of the first supporting sleeve and the second supporting sleeve.
16. The joint arrangement for conductor rails according to claim 15, wherein annular spring fingers are respectively provided between the conductive post and the first support sleeve and between the conductive post and the second support sleeve.
17. A conductor rail system, comprising:
two conductive rails;
a joint arrangement according to any one of claims 1 to 16, the ends of the fixed and moving rails remote from each other being connected to the two electrically conductive rails respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680651.2A CN112297960B (en) | 2019-07-26 | 2019-07-26 | Joint device for conductor rail and conductor rail system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910680651.2A CN112297960B (en) | 2019-07-26 | 2019-07-26 | Joint device for conductor rail and conductor rail system with same |
Publications (2)
| Publication Number | Publication Date |
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| CN112297960A true CN112297960A (en) | 2021-02-02 |
| CN112297960B CN112297960B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910680651.2A Active CN112297960B (en) | 2019-07-26 | 2019-07-26 | Joint device for conductor rail and conductor rail system with same |
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| CN112297960B (en) | 2022-03-18 |
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