CN110239585B - Mechanical representation device of railway hump speed reducer - Google Patents
Mechanical representation device of railway hump speed reducer Download PDFInfo
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- CN110239585B CN110239585B CN201910551366.0A CN201910551366A CN110239585B CN 110239585 B CN110239585 B CN 110239585B CN 201910551366 A CN201910551366 A CN 201910551366A CN 110239585 B CN110239585 B CN 110239585B
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- rotating shaft
- contact box
- contact
- speed reducer
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 claims description 26
- 239000004677 Nylon Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 229920001778 nylon Polymers 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 230000006698 induction Effects 0.000 description 5
- 235000014676 Phragmites communis Nutrition 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/02—Track brakes or retarding apparatus
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Handcart (AREA)
Abstract
The invention provides a mechanical representation device of a railway hump speed reducer, which comprises a representation contact box, a representation roller shaft and a connection crank; the rotating shaft assembly and four binding posts are arranged in the indicating contact box; one end of the rotating shaft is extended out of the indicating contact box and connected with the indicating roller shaft; the rotating shaft component is provided with two conductive wheels at the part positioned in the indicating contact box, and the two conductive wheels are connected together through a connecting gear arranged on the rotating shaft component; each conductive wheel is provided with a conductive sheet; the wiring terminals are arranged on two sides of each conductive wheel, the contact plates are arranged on the wiring terminals and can intermittently contact with the conductive plates on the conductive wheels corresponding to the contact plates. The mechanical representation device of the railway hump speed reducer adopts a mechanical contact mode to discharge accidents, and avoids the occurrence of faults of 'representing double existence' or 'representing double nonexistence'.
Description
Technical Field
The invention belongs to the field of railway tracks, and particularly relates to a mechanical representation device of a railway hump speed reducer.
Background
The gravity type vehicle decelerator is mainly speed-regulating running equipment of a hump marshalling yard of China, the market share is more than 90%, the representing device is used for feeding back a signal control system to control the decelerator to be in a braking state or a releasing state, the existing marshalling station decelerator mainly adopts a reed pipe magnetic induction switch mode to represent the state of the decelerator, but individual marshalling stations prefer to adopt mechanical representing devices.
The existing marshalling station speed reducer mainly adopts a reed pipe magnetic induction switch mode, has stable performance, has the defects that the magnetic induction speed reducer is expressed as a magnetic induction signal, needs magnet matching, belongs to non-contact type, cannot intuitively find out reasons when representing that a line breaks down, and needs to be gradually removed and searched. In addition, due to the magnetic induction mode, faults which are "indicating double existence" or "indicating double none" occasionally occur under the existing outdoor and vibration working conditions. If the reed switch in the contact is damaged, the contact cannot be repaired and can only be replaced.
Disclosure of Invention
In view of this, the present invention aims to propose a mechanical representation device of a railway hump speed reducer, so as to overcome the defects of the prior art, and to meet the needs of adopting mechanical representation devices for individual marshalling stations, a contact type representation device capable of visual inspection is designed, and by adopting a mechanical contact mode, accidents are eliminated, and the occurrence of faults of 'representing double existence' or 'representing double non existence' is avoided.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
a mechanical representation device of a railway hump speed reducer comprises a representation contact box, a representation roller shaft and a connection crank;
the indication contact box is provided with a wire inlet connector; the rotating shaft assembly and four binding posts are arranged in the indicating contact box; one end of the rotating shaft is extended out of the indicating contact box and connected with the indicating roller shaft; the rotating shaft component is provided with two conductive wheels at the part positioned in the indicating contact box, and the two conductive wheels are connected together through a connecting gear arranged on the rotating shaft component; each conductive wheel is provided with a conductive sheet, and the two conductive sheets are arranged in a 50-80-degree staggered way; the two sides of each conductive wheel are provided with a binding post, the binding post is provided with a contact piece, and the contact piece can intermittently contact with the conductive piece on the conductive wheel corresponding to the contact piece;
one end of the indicating roller shaft, which is not connected with the rotating shaft, is arranged in the roller of the speed reducer, which is connected with the crank.
Further, the mechanical representation device of the railway hump speed reducer further comprises a representation bottom plate; the indicating contact box is arranged on the indicating bottom plate, and the indicating bottom plate is arranged on the conjoined seat of the speed reducer.
Further, the contact piece is detachably arranged on the corresponding binding post.
Further, the rotating shaft assembly comprises a rotating shaft and a fixing piece; one end of the rotating shaft extends out of the lower end of the fixed connection fixing piece of the indicating contact box, and the other end of the rotating shaft is arranged in the indicating contact box; the upper end of the fixing piece is fixedly connected with the indicating roller shaft.
Further, the indication contact box comprises a contact box cover and a contact box body; the contact box cover is detachably and hermetically connected to the contact box body; the contact box body is provided with a wire inlet connector, and the rotating shaft, the two conductive wheels, the connecting gear and the four binding posts are arranged in the contact box body; one end of the rotating shaft extends out of the contact box body to be fixedly connected with the fixing piece; the junction of pivot and contact box body is sealed through seal structure.
Further, the sealing structure comprises a sleeve, a step shaft sleeve, a lip-shaped sealing ring and a sealing end cover, wherein the sleeve, the step shaft sleeve, the lip-shaped sealing ring and the sealing end cover are arranged at the outer side of the contact box body and are integrally formed with the contact box body; the step shaft sleeve is arranged on the rotating shaft, the thinner end of the step shaft sleeve is inserted into the sleeve, and a lip-shaped sealing ring is arranged at the joint of the inner part of the thicker end and the rotating shaft; the sealing end cover is arranged on the outer side of the step shaft sleeve on the rotating shaft and is fixedly connected with the outer surface of the contact box body.
Further, the fixing piece is a vertical plate or a vertical groove with round upper and lower ends; the lower end of the fixing piece is welded on the rotating shaft, and the upper end of the fixing piece is provided with a long round groove; one end of the indicating roller shaft is arranged in a roller on the connecting crank of the speed reducer, and two sides of the indicating roller shaft are stopped by a check ring for the shaft; the other end of the indicating roller shaft is inserted into the long round groove and is fixedly connected with the fixing piece through a fastener.
Further, the contact box body and the contact box cover are both made of nylon materials through injection molding.
Further, the conductive sheet is a conductive copper sheet; the conductive sheet is arranged on the circumferential outer surface of the corresponding conductive wheel body, and the length of the conductive sheet is half of the circumference of the conductive wheel.
Further, the wheel body of the conductive wheel is made of nylon material through injection molding; the conducting strip is embedded and injection molded in the wheel body of the conducting wheel.
Further, a plurality of triangular tooth-shaped structures which can be meshed with teeth on the connecting gear are arranged on the inner side of the conductive wheel and contacted with the connecting gear along the circumferential direction.
Further, gear pieces are arranged at the contact positions of two sides of the connecting gear and two adjacent conductive wheels, and each gear piece is provided with a plurality of uniformly distributed tooth shapes which are matched with the conductive wheels; the two conductive sheets are staggered at 65 degrees.
The invention relates to a mechanical representation device of a railway hump speed reducer, which adopts a contact sheet and a conductive wheel to directly contact to represent the state of the speed reducer. The indicating contact box is fastened on the indicating bottom plate and then is arranged on the speed reducer connecting seat, the indicating roller shaft is arranged on the speed reducer connecting crank, the non-shoulder end of the shaft is inserted into a long round groove formed by the rotating shaft of the indicating contact box, and an external indicating cable is led into the indicating contact box. The mechanical representation motion is consistent with the motion of the speed reducer, the speed reducer is connected with the crank to rotate reciprocally around the axis A-A in the figure 1 according to a fixed angle, the roller shaft rotates reciprocally to drive the rotating shaft to move, 2 conductive wheels formed by the rotating shaft rotate according to a corresponding angle, and when the conductive wheels are positioned at different positions, the conductive wheels are in a state of being connected with and disconnected from the contact piece, so that the braking and releasing states of the speed reducer are represented.
Compared with the prior art, the mechanical representation device of the railway hump speed reducer has the following advantages:
(1) The special requirement that individual marshalling stations adopt mechanical representation devices is met, the representation devices are in direct contact with the contact plates, the whole device is visual, and faults of the contact type representation devices can be directly checked.
(2) The mechanical representation device physically isolates the two on and off states, avoiding the occurrence of a fault which is "representing double-present" or "representing double-absent".
(3) The vulnerable parts in direct contact can be replaced or repaired, so that the maintenance cost is reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of a mechanical representation of a railway hump speed reducer according to an embodiment of the invention;
FIG. 2 is a front view partially in section showing the assembly of the contact box and the shaft in a mechanical representation of a railway hump speed reducer according to an embodiment of the present invention;
FIG. 3 is a top view partially in cross section showing the assembly of the contact box and the shaft in a mechanical representation of a railway hump speed reducer in accordance with an embodiment of the present invention;
FIG. 4 is a side view of the conductive wheel of the mechanical representation of the railway hump speed reducer according to an embodiment of the invention;
FIG. 5 is a front cross-sectional view of a conductive wheel in a mechanical representation of a railway hump speed reducer in accordance with an embodiment of the present invention;
FIG. 6 is a side view of a connecting gear in a mechanical representation of a railway hump speed reducer according to an embodiment of the invention;
fig. 7 is a front view of a connecting gear in a mechanical representation of a railway hump speed reducer according to an embodiment of the invention.
Reference numerals illustrate:
1-represents a base plate; 2-a junction box; 3-represents a roller shaft; 4-connecting a crank; 5-a conjoined seat; 6-a contact box body; 7-a rotating shaft; 701-rotating shaft; 702-a fixing member; 703-mounting holes; 8-conducting wheels; 801-gear plate; 9-contact pieces; 10-binding posts; 11-a contact box cover; 12-inlet wire joint; 13-locking nuts; 14-sealing the end cap; 15-connecting gears; 16-lip type sealing ring; 17-wheel body; 18-conductive sheets; 19-a sleeve; 20-step shaft sleeve; 21-a roller; 22-tooth structure; 23-bulge; 24-stand columns; 25-a first sleeve; 26-a second sleeve.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1-7, a mechanical representation device of a railway hump speed reducer comprises a representation contact box 2, a representation roller shaft 3 and a connection crank 4; the display contact box 2 is provided with a wire inlet connector 12; a rotating shaft assembly 7 and four binding posts 10 are arranged in the indicating contact box 2; one end of the rotating shaft component 7 extends out of the indicating contact box 2 and is fixedly connected with the indicating roller shaft 3, and the other end of the rotating shaft component is arranged in the indicating contact box 2; the part of the rotating shaft assembly 7 positioned in the indicating contact box 2 is provided with two conductive wheels 8, and the two conductive wheels 8 are connected together through a connecting gear 15 arranged on the rotating shaft assembly 7; each conductive wheel 8 is provided with a conductive sheet 18, and in order to ensure that in the process of synchronously rotating the two conductive wheels 8, the two conductive sheets 18 do not simultaneously contact the corresponding contact sheet 9, the two conductive sheets are required to be staggered, and the staggered angle is required to be consistent with the rotation angle of the connecting crank in the state that the speed reducer brake box is relieved, therefore, the two conductive sheets 18 are staggered by 50-80 degrees, and the staggered angle is preferably 65 degrees. The two sides of each conductive wheel 8 are provided with a binding post 10, the binding post 10 is provided with a contact piece 9, and the contact piece 9 can intermittently contact with the conductive piece 18 on the conductive wheel 8 corresponding to the contact piece. One end of the roller shaft 3, which is not connected with the rotating shaft assembly 7, is arranged on the connecting crank 4 of the speed reducer, penetrates through the roller 21 of the speed reducer, and is stopped by a check ring for two shafts.
As an alternative implementation manner of the embodiment, the mechanical representation device of the railway hump speed reducer further comprises a representation base plate 1; the indicating contact box 2 is arranged on the upper surface of the indicating bottom plate 1, the indicating contact box and the indicating bottom plate are connected through bolts in a positioning mode, and the indicating bottom plate 1 is arranged on the conjoined base 5 of the speed reducer after the indicating contact box and the indicating bottom plate are connected. Since the contact 9 and the conductive wheel 8 are easily damaged during the operation, the contact 9 is detachably mounted on the corresponding terminal 10 for facilitating the replacement of the contact. Specifically, a hole is formed at one end of the contact piece far away from the conductive wheel 8, kong Xian on the contact piece 9 is sleeved on the corresponding binding post 10, and then screw thread locking is adopted, so that the single piece can be conveniently replaced after abrasion.
As an alternative implementation of this embodiment, the rotating shaft assembly 7 includes a rotating shaft 701 and a fixing member 702; one end of the rotating shaft 701 extends out of the lower end of the fixed connection fixing piece 702 of the indication junction box 2, and the other end is arranged in the indication junction box 2; the upper end of the fixing member 702 is fixedly connected to the indicating roller shaft 3.
As an alternative implementation manner of this embodiment, the indication contact box may be provided with an upper part and a lower part, specifically, the indication contact box 2 includes a contact box cover 11 and a contact box body 6, the contact box cover 11 is detachably connected to the contact box body 6 in a sealing manner, specifically, the contact box cover 11 may be clamped and connected to the top of the contact box body 6, and only a sealing gasket (ring) for dust protection and water prevention is provided between the two parts. The contact box body 6 and the contact box cover 11 are made of nylon material by injection molding. The junction box body 6 is provided with a wire inlet joint 12, and the joint of the wire inlet joint 12 and the wire inlet joint is sealed by a dustproof and waterproof sealing gasket (ring). The rotating shaft 701, two conductive wheels 8, a connecting gear 15 and four binding posts 10 are arranged in the contact box body 6; one end of the rotating shaft 701 extends out of the contact box body 6 to be fixedly connected with the fixing piece 702, the other end of the rotating shaft is rotatably connected with an upright post integrally formed in the contact box body 6, and the outer end of the rotating shaft is locked by a hexagonal groove-shaped locking nut 13 in cooperation with a cotter pin. More specifically, the upright post 24 is provided with a through hole for installing the rotating shaft 701, the rotating shaft 701 is inserted into the through hole, the connecting part is sleeved with the first sleeve 25, one end of the first sleeve 25 extends to the end part of the rotating shaft 701, and the other end extends to the outside of the conductive wheel far away from the fixing piece 702 and limits the conductive wheel. The second sleeve 26 is sleeved on the rotating shaft between the outer side of the conductive wheel close to the fixing piece 702 and the inner wall of the contact box 6, and is used for limiting the installation position of the conductive wheel close to the fixing piece on the rotating shaft 701.
As an alternative implementation of this embodiment, in order to prevent impurities from entering the contact box 6, a connection portion between the rotating shaft 701 and the contact box 6 is sealed by a sealing structure. Specifically, the following sealing structure may be selected: the sealing structure comprises a sleeve 19, a step shaft sleeve 20, a lip type sealing ring 16 and a sealing end cover 14 which are arranged on the outer side of the junction box body 6 and are integrally formed with the junction box body 6; the step shaft sleeve 20 is installed on the rotating shaft 701, the thinner end of the step shaft sleeve 20 is inserted into the sleeve 19, and a lip-shaped sealing ring 16 is installed at the joint of the inner part of the thicker end and the rotating shaft 701; the seal end cover 14 is mounted on the outer side of the stepped shaft sleeve 20 on the rotating shaft 701, and is fixedly connected with the outer surface of the contact box 6.
As an alternative implementation of this embodiment, the fixing member 702 is a vertical plate or a vertical slot with round upper and lower ends; the lower end of the fixing piece 702 is welded on the rotating shaft 701, and the upper end is provided with a long round groove; one end of the indicating roller shaft 3 is arranged in a roller 21 on the speed reducer connecting crank 4, and two sides of the indicating roller shaft are stopped by a check ring for a shaft; the other end of the roller shaft 3 is inserted into the oblong slot and is fixedly connected with the fixing member 702 through a fastener (bolt and nut).
As an alternative implementation of this embodiment, the conductive sheet 18 may be made of a metal material, such as a metal strip, and in particular, may be preferably a conductive copper sheet. The conductive plates 18 are mounted on the middle position of the circumferential outer surface of the wheel body 17 of the corresponding conductive wheel 8, and the length of each conductive plate 18 is half of the circumference of the conductive wheel 8, so that when the two conductive plates are arranged alternately, only one conductive plate can be connected with the corresponding contact plate at a certain time.
As an alternative implementation of this embodiment, as shown in fig. 4 and 5, the wheel body 17 of the conductive wheel 8 is made of nylon material by injection molding; the conductive sheet 18 is embedded and molded in the wheel body 17 of the conductive wheel 8. The conducting strip 18 is matched with the contact strip 9 to be switched on and off, and a plurality of tooth shapes uniformly distributed at the circle a are used for matching with the connecting gear 15 to adjust the installation position. That is, the portion of the inner side of the conductive wheel 8 in contact with the connection gear 15 is provided with a plurality of triangular tooth-shaped structures 22 which can be engaged with teeth on the connection gear 15 in the circumferential direction.
Correspondingly, as shown in fig. 6 and 7, the contact parts between two sides of the connecting gear 15 and two adjacent conductive wheels 8 are provided with gear plates 801, and each gear plate 801 is provided with a plurality of triangular tooth-shaped structures which are uniformly distributed and matched with the triangular tooth-shaped structures on the conductive wheels 8. The two protrusions 23 on the upper and lower parts of the middle circle of the illustration are inserted into the guide grooves on the rotating shaft 701 in the rotating shaft assembly 7, and have anti-rotation effect on the conductive wheel with the adjusted position.
During installation, one side (the end without a fixing piece) of the rotating shaft 701 in the rotating shaft assembly 7 passes through the sealing end cover 14 and the lip-shaped sealing ring 16 to enter the contact box body 6, and the joint of the two conductive wheels 8 and the connecting gear 15 in the middle of the two conductive wheels is provided with 60 triangular tooth-shaped structures, as shown in the mark in the drawing 4-6, for adjusting two positions, the two conductive wheels are sleeved on the rotating shaft 701 first and then inserted into a guide groove on the rotating shaft 701, the hexagonal groove-shaped locking nut 13 is used for locking by matching with a cotter pin, and the contact piece 9 is pressed on the binding post 10 after being well adjusted to be in contact with a conductive piece made of metal materials on the conductive wheels 8.
The mechanical representation device of the railway hump speed reducer of the embodiment has the working principle that: the reducer connecting crank 4 reciprocally rotates around the axis A-A in fig. 1 according to the angle of braking and relieving conversion, which means that the axis B-B where the roller shaft 3 is located reciprocally rotates to drive the rotating shaft to form 7 axis C-C to move, the rotating shaft forms 2 conductive wheels 8 on the 7 rotating shaft 701 to rotate, when the reducer is in a braking position or a relieving position, only the conductive copper sheet 18 of one conductive wheel 8 is connected with the contact piece 9, and when the conductive wheel 8 is in different positions, the conductive wheel 8 is in a state of being connected with and disconnected from the contact piece 9, so as to represent the braking and relieving state of the reducer.
When the brake is applied to the vehicle, the brake is applied to the vehicle by the brake application device.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (11)
1. A mechanical representation device of a railway hump speed reducer is characterized in that: comprises a contact box (2), a roller shaft (3) and a connecting crank (4);
the indication contact box (2) is provided with a wire inlet connector (12); a rotating shaft assembly (7) and four binding posts (10) are arranged in the indicating contact box (2); one end of the rotating shaft component (7) extends out of the indicating contact box (2) and is connected with the indicating roller shaft (3); the part of the rotating shaft assembly (7) positioned in the indicating contact box (2) is provided with two conductive wheels (8), and the two conductive wheels (8) are connected together through a connecting gear (15) arranged on the rotating shaft assembly (7); each conductive wheel (8) is provided with a conductive sheet (18), and the two conductive sheets (18) are arranged in a staggered way; the two sides of each conductive wheel (8) are provided with a binding post (10), the binding post (10) is provided with a contact piece (9), and the contact piece (9) can intermittently contact with a conductive piece (18) on the conductive wheel (8) corresponding to the contact piece;
one end of the roller shaft (3) which is not connected with the rotating shaft assembly (7) is arranged in a roller (21) on a connecting crank (4) of the speed reducer.
2. The mechanical representation device of a railway hump speed reducer of claim 1, wherein: also comprises a representation base plate (1); the indicating contact box (2) is arranged on the indicating bottom plate (1), and the indicating bottom plate (1) is arranged on the conjoined seat (5) of the speed reducer; the contact sheet (9) is detachably arranged on the corresponding binding post (10).
3. The mechanical representation device of a railway hump retarder according to claim 1 or 2, characterized in that: the rotating shaft assembly (7) comprises a rotating shaft (701) and a fixing piece (702); one end of the rotating shaft (701) extends out of the lower end of the fixed connection fixing piece (702) of the representation contact box (2), and the other end of the rotating shaft is arranged in the representation contact box (2); the upper end of the fixing piece (702) is fixedly connected with the representation roller shaft (3).
4. A mechanical representation device of a railway hump speed reducer according to claim 3, characterized in that: the indicating contact box (2) comprises a contact box cover (11) and a contact box body (6); the contact box cover (11) is detachably and hermetically connected to the contact box body (6); the contact box body (6) is provided with a wire inlet connector (12), and the rotating shaft (701), two conductive wheels (8), a connecting gear (15) and four binding posts (10) are arranged in the contact box body (6); one end of the rotating shaft (701) extends out of the contact box body (6) to be fixedly connected with a fixing piece (702); the joint of the rotating shaft (701) and the contact box body (6) is sealed through a sealing structure.
5. The mechanical representation device of a railway hump speed reducer of claim 4, wherein: the sealing structure comprises a sleeve (19), a step shaft sleeve (20), a lip-shaped sealing ring (16) and a sealing end cover (14), wherein the sleeve is arranged at the outer side of the contact box body (6) and is integrally formed with the contact box body (6); the step shaft sleeve (20) is arranged on the rotating shaft (701), the thinner end of the step shaft sleeve is inserted into the sleeve (19), and a lip-shaped sealing ring (16) is arranged at the joint of the inner part of the thicker end and the rotating shaft (701); the sealing end cover (14) is arranged on the outer side of the step shaft sleeve (20) on the rotating shaft (701) and is fixedly connected with the outer surface of the contact box body (6).
6. A mechanical representation device of a railway hump speed reducer according to claim 3, characterized in that: the fixing piece (702) is a vertical plate or a vertical groove with round upper and lower ends; the lower end of the fixing piece (702) is welded on the rotating shaft (701), and the upper end of the fixing piece is provided with a long round groove; one end of the indicating roller shaft (3) is arranged in a roller (21) on the connecting crank (4) of the speed reducer, and two sides of the indicating roller shaft are stopped by check rings for shafts; the other end of the indicating roller shaft (3) is inserted into the long round groove and is fixedly connected with the fixing piece (702) through a fastener.
7. The mechanical representation device of a railway hump speed reducer of claim 6, wherein: the contact box body (6) and the contact box cover (11) are both made of nylon materials through injection molding.
8. The mechanical representation device of a railway hump speed reducer of claim 1, wherein: the conductive sheet (18) is a conductive copper sheet; the conductive sheet (18) is arranged on the circumferential outer surface of the wheel body (17) of the corresponding conductive wheel (8), and the length of the conductive sheet (18) is half of the circumference of the conductive wheel (8).
9. The mechanical representation device of a railway hump speed reducer according to claim 1 or 8, characterized in that: the wheel body (17) of the conductive wheel (8) is made of nylon material by injection molding; the conducting strip (18) is embedded and injection molded in the wheel body (17) of the conducting wheel (8); the two conductive sheets (18) are staggered at 50-80 degrees.
10. The railway hump speed reducer mechanical representation device of claim 9, wherein: the inner side of the conductive wheel (8) is provided with a plurality of triangular tooth-shaped structures which can be meshed with teeth on the connecting gear (15) along the circumferential direction at the part contacted with the connecting gear (15).
11. The mechanical representation device of a railway hump speed reducer of claim 1, wherein: the contact positions of two sides of the connecting gear (15) and two adjacent conductive wheels (8) are provided with gear plates (801), and each gear plate (801) is provided with a plurality of uniformly distributed tooth shapes which are matched with the conductive wheel (8); the two conductive sheets (18) are staggered at 65 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551366.0A CN110239585B (en) | 2019-06-24 | 2019-06-24 | Mechanical representation device of railway hump speed reducer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910551366.0A CN110239585B (en) | 2019-06-24 | 2019-06-24 | Mechanical representation device of railway hump speed reducer |
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| CN110239585A CN110239585A (en) | 2019-09-17 |
| CN110239585B true CN110239585B (en) | 2023-11-07 |
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| CN101920708A (en) * | 2009-06-15 | 2010-12-22 | 杨恩久 | Small hump vehicle speed reducer |
| CN202272015U (en) * | 2011-10-14 | 2012-06-13 | 天津市精达铁路器材有限公司 | Novel electropneumatic point machine |
| CN204210482U (en) * | 2014-11-05 | 2015-03-18 | 天津铁路信号有限责任公司 | A kind of hump vehicle speed reducer represents the anchor fitting of contact |
| CN210149343U (en) * | 2019-06-24 | 2020-03-17 | 天津铁路信号有限责任公司 | Contact type indicating device for railway hump speed reducer |
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2019
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| CN87202402U (en) * | 1987-02-18 | 1987-11-04 | 沈阳铁路局吉林电务器材厂 | Electropneumatic switch with programed control |
| EP1129922A2 (en) * | 2000-03-03 | 2001-09-05 | Tiefenbach GmbH | Method for controlling the gravity shunting from a slope of a marshalling yard of the wagons of a railway train to be segregated. |
| CN101920708A (en) * | 2009-06-15 | 2010-12-22 | 杨恩久 | Small hump vehicle speed reducer |
| CN202272015U (en) * | 2011-10-14 | 2012-06-13 | 天津市精达铁路器材有限公司 | Novel electropneumatic point machine |
| CN204210482U (en) * | 2014-11-05 | 2015-03-18 | 天津铁路信号有限责任公司 | A kind of hump vehicle speed reducer represents the anchor fitting of contact |
| CN210149343U (en) * | 2019-06-24 | 2020-03-17 | 天津铁路信号有限责任公司 | Contact type indicating device for railway hump speed reducer |
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