Pulling vehicle power supply sliding groove of electric locomotive
By designing an adjustable electric locomotive power supply chute, the problem of inconsistent power supply systems for different locomotive models was solved, enabling stable power supply for multiple power systems and improving the mobility of electric locomotives in areas without electricity.
Patent Information
- Application Number
- CN202423196246.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The existing sliding contact line equipment cannot meet the power supply needs of various locomotive power supplies, especially since different locomotive models have different power supply systems, resulting in unstable power supply and inconvenience.
A power supply chute for electric locomotive traction was designed, comprising a column, a cantilever, a chute, a sliding contact line, and a sliding contact trolley. Through the adjustable design of the cantilever and the combination of multiple sliding contact lines, the power supply needs of various locomotive power supplies can be met, and the current collector is stably in contact with the sliding contact line.
It enables flexible power supply for different locomotive models, meets the stable power supply requirements of various power systems, and improves the mobility of electric locomotives in areas without electricity.
Smart Images

Figure CN223757827U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric locomotive tow car power supply field, concretely relates to a kind of electric locomotive tow car power supply sliding groove. BACKGROUND
[0002] In the track passenger transport and freight industry, electric locomotive head is checked after running a certain task in the electric section of locomotive depot, and the ground power supply is needed to supply the electric locomotive in the electric section. The power supply for the electric locomotive in the electric section is usually powered by the sliding contact line, which is provided with a power taking trolley. After the trolley takes power, it is output to the power supply socket of the electric locomotive through the conversion plug. The power supply system of locomotives of different manufacturers is different. The conventional power supply is divided into DC600V, AC380V, DC60V and DC24V for powering the power taking trolley. The voltage of various power supply systems is different, and the current power is also different. The existing sliding contact line equipment cannot meet all power supply needs. SUMMARY
[0003] To solve the problem that the existing sliding contact line cannot meet the power supply needs of the tow car, the utility model provides an electric locomotive tow car power supply sliding groove to solve the above problems.
[0004] An electric locomotive tow car power supply sliding groove, comprising a stand, a cantilever, a sliding groove, a sliding contact line and a sliding contact trolley, the top of the stand is provided with one or more cantilevers, the sliding groove is a strip structure with a C-shaped cross section, the opening faces downward, and the back side is connected to the cantilever, four sliding contact lines are arranged in parallel on the back side of the sliding groove, and the sliding contact trolley is movably arranged in the opening of the sliding groove, and current collectors are arranged at both ends to abut against all the sliding contact lines.
[0005] In a preferred embodiment of the electric locomotive tow car power supply sliding groove provided by the utility model, the stand is a square steel, the bottom end is provided with a flange and a stiffener, and the opposite sides of the top end are respectively provided with two cantilevers facing in opposite directions; the cantilevers are right-angled triangular structures, the short right-angled sides of the two cantilevers are close to the stand, and are connected and fixed to the stand.
[0006] The long right-angled side of the cantilever is a tubular structure, an extension arm is slidably arranged inside, connected to the sliding groove, and one or more limiters are arranged outside to abut against the extension arm.
[0007] In a preferred embodiment of the electric locomotive tow car power supply sliding groove provided by the utility model, a plurality of stands and a plurality of groups of cantilevers are arranged at equal intervals. A plurality of sliding grooves and a plurality of groups of sliding contact lines are connected end to end.
[0008] In the preferable embodiment of the electric locomotive towing power supply sliding groove provided by the utility model, one or more pairs of rollers are arranged at the upper side of the sliding contact trolley, and abut against the inner wall of the opening side of the sliding groove; one or more pairs of rollers are arranged at the lower side of the sliding contact trolley, and abut against the outer wall of the opening side of the sliding groove; and rollers are arranged at the four corners of the sliding contact trolley, and abut against the inner wall of the two sides of the sliding groove.
[0009] The inside of the sliding contact trolley is provided with a motor, which is in driving connection with the upper pair of rollers; and four current collectors are arranged at the two ends of the sliding contact trolley, and abut against all the sliding contact lines.
[0010] Compared with the prior art, the electric locomotive towing power supply sliding groove provided by the utility model has the following beneficial effects:
[0011] 1. In the scheme of the utility model, the cantilever is fixed to the stand column in a clamping manner, so that the height position of the sliding groove can be conveniently adjusted. The extension arm is used to connect the sliding groove in the cantilever, so that the position in the width direction of the sliding groove can be conveniently adjusted. The utility model has good flexibility and is suitable for towing power supply.
[0012] 2. In the scheme of the utility model, four sliding contact lines are used to meet the power supply of three kinds of towing power supply and one kind of sliding contact trolley power supply, so that the power supply demand of various locomotives can be met.
[0013] 3. In the scheme of the utility model, a pair of current collectors are arranged for each sliding contact line, so that the stable power supply can be ensured, and the power supply demand of the towing power supply can be met. DRAWINGS
[0014] Figure 1 is a structural schematic view of the electric locomotive towing power supply sliding groove;
[0015] Figure 2 is Figure 1 a partial enlarged view of the electric locomotive towing power supply sliding groove;
[0016] Figure 3 is Figure 2 a partial enlarged view of the electric locomotive towing power supply sliding groove;
[0017] Figure 4 is Figure 3 a structural schematic view of the electric locomotive towing power supply sliding groove;
[0018] Figure 5 is a structural schematic view of the sliding contact trolley;
[0019] Figure 6 is Figure 5 a structural schematic view of the electric locomotive towing power supply sliding groove.
[0020] The figure marks: stand 1, cantilever 2, sliding groove 3, sliding contact line 4, sliding contact trolley 5, extension arm 21, connecting arm 22, connecting plate 31, connecting piece 41, guide wheel 51, driving wheel 52, driven wheel 53, supporting wheel 54, current collector 55, terminal row 56, motor 57. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0022] Please refer to Figures 1 to 3 , which are the structural schematic diagram of the electric locomotive towing power supply sliding groove, the partial enlarged view of one section, and the partial enlarged view of one end section of the electric locomotive towing power supply sliding groove provided by the utility model.
[0023] The electric locomotive towing power supply sliding groove comprises a stand 1, a cantilever 2, a sliding groove 3, a sliding contact line 4 and a sliding contact trolley 5.
[0024] The stand 1 is a square tube, a square flange is welded at the bottom end, a stiffener plate is welded between the two, and the stand 1 is fixedly installed on the ground through the flange; a cover plate is welded at the top end to be closed, and the length is 4 m.
[0025] The cantilever 2 is a right-angled triangle frame formed by welding a square tube and a square plate, and the short right angle side in the right-angled triangle frame is a square plate. Two cantilevers 2 are symmetrically arranged on both sides of the top end of the stand 1, and the short right angle sides of the two cantilevers 2 are provided with bolt locking at the four corner positions, so as to be clamped and fixed to the stand 1.
[0026] The end of the long right angle side of the cantilever 2 far away from the stand 1 is open, and another square tube with slightly smaller size is inserted therein as an extension arm 21. The extension arm 21 can move in and out of the long right angle side of the cantilever 2. Two bolts are arranged at the top of the long right angle side of the cantilever 2, and the bolts can abut against the extension arm 21 when locked, so as to position the extension arm 21. Another short square tube is vertically welded at the lower side near the end of the extension arm 21 as a connecting arm 22.
[0027] The sliding groove 3 is a strip structure with a C-shaped cross section, and the opening faces downward, and the back side is provided with two hoops to be sleeved on the connecting arm 22. The length of the sliding groove 3 is 3 m, and the back side is provided with a hoop to connect the extension arm 21 at the middle position. A plurality of sliding grooves 3 are spliced end to end, and adjacent sliding grooves 3 are spliced through a connecting plate 31 covering the end portions of the two sliding grooves 3. The stand 1 is arranged at intervals of 6 m. Between the two adjacent stands 1, there is a sliding groove 3 not connected with the extension arm 21.
[0028] Please refer to Figure 3 and Figure 4, respectively are a partial enlarged view of a section of an end of a power supply slide groove of a traction power source of an electric locomotive, and a structural schematic view of the slide groove removed.
[0029] Four slide wires 4 are laid in parallel on the back side in the slide groove 3. The slide wire 4 is a strip structure with a concave cross section, with the opening facing downward, and with a clamping groove provided on both sides. One end of the connecting piece 41 is connected to the clamping groove, and the other end penetrates out of the slide groove 3 and is provided with a nut, so as to be fixed.
[0030] The four slide wires 4 are sequentially recorded as the first to fourth slide wires from left to right. When DC600V output is adopted, the first and second slide wires are used, and the first slide wire is connected to the positive electrode and the second slide wire is connected to the negative electrode; when DC60V output is adopted, the first to third slide wires are used, and all are connected to the positive electrode; when AC380V output is adopted, the first to third slide wires are used, and are respectively connected to three-phase alternating current; when the slide wire trolley is powered, DC24V output is adopted, the third and fourth slide wires are used, and the fourth slide wire is connected to the positive electrode and the third slide wire is connected to the negative electrode. Only one kind of power supply is input at the same time.
[0031] Please refer to Figures 4 to 6 , respectively are a structural schematic view of a section of an end of the slide groove removed, and a structural schematic view of the slide trolley and the removed side cover plate.
[0032] The trolley body of the slide trolley 5 is a convex structure. On the upper narrow area of the slide trolley 5, four guide wheels 51 are respectively arranged at the four corners in the horizontal direction, and are used for abutting against the inner walls of the left and right sides of the slide groove 3. On the left and right sides of the upper narrow area of the slide trolley 5, two pairs of rollers are respectively arranged as driving wheels 52 and driven wheels 53, and are used for abutting against the inner walls of the opening side of the slide groove 3. On the left and right sides of the top of the lower wide area of the slide trolley 5, one roller is respectively arranged as a supporting wheel 54, and is used for abutting against the outer wall of the opening side of the slide groove 3.
[0033] Four current collectors 55 are respectively arranged at the front and rear ends of the slide trolley 5, and a total of eight current collectors 55 are arranged. A terminal row 56 is arranged in the slide trolley 5. The bottom of the slide trolley 5 is provided with a cable hole and a motor support, and a motor 57 is arranged on the motor support to drive the shaft of the driving wheel 52 to rotate.
[0034] In use, the power supply from the slide wire 4 is transmitted to the terminal row 56 through the front and rear current collectors 55, and then is output to the motor 57 or a cable (not shown in the drawing). The end of the cable is provided with a conversion connector, and a locomotive plug is connected to the conversion connector, so as to realize the power supply path to the train.
[0035] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion according to the content of the present application, or direct or indirect application in other related technical fields, are all included in the patent protection range of the present application.
Claims
1. A power car propulsion power supply trough for an electric locomotive, characterized in that: The utility model relates to a power supply device, including stand, cantilever, sliding groove, slide wire and slide trolley, the top of stand is equipped with one or more cantilevers, the sliding groove is the strip structure of C-shaped cross section, and the opening is downward, and the back side is connected with the cantilever, four slide wires are arranged in parallel in the back side of the sliding groove, and the slide trolley is movably arranged in the opening of the sliding groove, and the both ends are equipped with current collector and all the slide wires.
2. The electric locomotive tractor power car slipper according to claim 1, characterized in that: The utility model relates to a power supply device, including stand, cantilever, sliding groove, slide wire and slide trolley, the top of stand is equipped with one or more cantilevers, the sliding groove is the strip structure of C-shaped cross section, and the opening is downward, and the back side is connected with the cantilever, four slide wires are arranged in parallel in the back side of the sliding groove, and the slide trolley is movably arranged in the opening of the sliding groove, and the both ends are equipped with current collector and all the slide wires.
3. The electric locomotive tractor power car slipper according to claim 1, wherein: The utility model relates to a power supply device, including stand, cantilever, sliding groove, slide wire and slide trolley, the top of stand is equipped with one or more cantilevers, the sliding groove is the strip structure of C-shaped cross section, and the opening is downward, and the back side is connected with the cantilever, four slide wires are arranged in parallel in the back side of the sliding groove, and the slide trolley is movably arranged in the opening of the sliding groove, and the both ends are equipped with current collector and all the slide wires.
4. The electric locomotive car-hauling power supply sled of any one of claims 1 to 3, wherein: The utility model relates to a power supply device, including stand, cantilever, sliding groove, slide wire and slide trolley, the top of stand is equipped with one or more cantilevers, the sliding groove is the strip structure of C-shaped cross section, and the opening is downward, and the back side is connected with the cantilever, four slide wires are arranged in parallel in the back side of the sliding groove, and the slide trolley is movably arranged in the opening of the sliding groove, and the both ends are equipped with current collector and all the slide wires.
5. The electric locomotive tractor power supply skid of any one of claims 1 to 3, wherein: The utility model relates to a power supply device, including stand, cantilever, sliding groove, slide wire and slide trolley, the top of stand is equipped with one or more cantilevers, the sliding groove is the strip structure of C-shaped cross section, and the opening is downward, and the back side is connected with the cantilever, four slide wires are arranged in parallel in the back side of the sliding groove, and the slide trolley is movably arranged in the opening of the sliding groove, and the both ends are equipped with current collector and all the slide wires.
6. The electric locomotive tractor power car slipper according to claim 1, wherein: 7. The electric locomotive tractor power car slipper according to claim 6, characterized in that: