Foldable ladder trolley for railway overhead line system construction

Abstract

The utility model discloses a foldable ladder car for railway catenary construction, which relates to the field of railway catenary construction, and comprises a base, a sliding chute is arranged in the base, a through hole is arranged in the base, a bolt is arranged in the through hole, a sliding plate is movably connected in the sliding chute, and the sliding plate is arranged in the sliding chute. A threaded hole is formed in the sliding plate, a bearing plate is fixedly connected to the outer wall of the sliding plate, a climbing frame is movably connected to the top of the bearing plate, a construction table is movably connected to the top of the climbing frame, a pulley is fixedly connected to the bottom of the bearing plate, and the pulley is driven to slide along a rail by pulling the bearing plate. The sliding plates can slide along the sliding grooves, the climbing frame is folded, the construction table is driven to ascend and descend, when the construction table ascends and descends to a proper height, the bolts penetrate through the through holes and rotate, the bolts are inserted into the threaded holes to be limited, and the effect that the ladder trolley can be folded and ascended and descended conveniently is achieved.

Description

Technical Field

[0001] The utility model relates to the field of railway contact network construction, in particular to a foldable ladder vehicle for railway contact network construction. Background Art

[0002] Railway contact network construction includes pillar installation, pillar assembly, line laying, suspension adjustment, wire installation, etc. A ladder car is needed for railway contact network construction. Currently, most ladder cars are fixed structures, which makes it inconvenient to control the height of the ladder car by folding and adjusting, thereby reducing the efficiency of railway contact network construction. Therefore, a foldable ladder car for railway contact network construction is needed.

[0003] The existing railway contact network construction ladder is not convenient to fold and adjust according to the change of construction height during use, and the stability of the current ladder installation needs to be improved. At the same time, the protection performance of the current ladder is poor. Therefore, a foldable ladder for railway contact network construction is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a foldable ladder car for railway contact network construction, so as to solve the problems that the existing ladder cars for railway contact network construction are inconvenient to fold and adjust the ladder car according to changes in construction height, the stability needs to be improved and the protection performance is poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foldable ladder vehicle for railway contact network construction, comprising a base, a slide groove is provided inside the base, a through hole is provided inside the base, bolts are installed inside the through hole, a slide plate is movably connected inside the slide groove, a threaded hole is provided inside the slide plate, a receiving plate is fixedly connected to the outer wall of the slide plate, a climbing frame is movably connected to the top of the receiving plate, a construction platform is movably connected to the top of the climbing frame, and a pulley is fixedly connected to the bottom of the receiving plate.

[0006] The inner wall of the base is fixedly connected with a stabilizing mechanism.

[0007] The outer wall of the climbing frame is fixedly connected with a sleeve, a threaded groove is provided inside the sleeve, a threaded column is installed inside the sleeve, and a protective rope is movably connected to the outer wall of the threaded column.

[0008] Preferably, the slide plate forms a sliding structure with the base through a slide groove, and the bolt is threadedly connected to the slide plate through a threaded hole.

[0009] Preferably, the through holes are evenly distributed along the outer wall of the base, and the slide grooves are symmetrically arranged with respect to the central axis of the base.

[0010] Preferably, the stabilizing mechanism comprises a counterweight box, a groove, a counterweight block and a protrusion, the counterweight box is fixedly connected to the inner wall of the base, a groove is provided inside the counterweight box, a counterweight block is installed inside the counterweight box, and a protrusion is fixedly connected to the outer wall of the counterweight block.

[0011] Preferably, the protrusions form a sliding structure with the counterweight box through the grooves, and the protrusions are symmetrically arranged with respect to the central axis of the counterweight.

[0012] Preferably, the threaded column is threadedly connected to the sleeve via a threaded groove, and the threaded column is adapted to the threaded groove.

[0013] Preferably, the pulleys are symmetrically arranged with respect to the central axis of the receiving plate, and the top of the climbing frame is hingedly mounted on the bottom of the construction platform.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model is provided with a slide groove, a through hole, a bolt, a slide plate, a threaded hole, a receiving plate, a climbing frame, a construction platform and a pulley. By pulling the receiving plate, the pulley is driven to slide along the track, so that the slide plate can slide along the slide groove, the climbing frame can be folded, and the construction platform can be driven to rise and fall. When it is lifted to a suitable height, the bolt is passed through the through hole and rotated, so that the bolt is inserted into the threaded hole for limiting, so as to facilitate the folding and lifting of the ladder car;

[0016] 2. The utility model adopts a stabilizing mechanism to move the counterweight block, dock the protrusion to the top of the groove, make the protrusion slide down along the groove, drive the counterweight block to be installed in the counterweight box, so as to prevent the ladder car from shaking and improve the stability of the railway contact network during construction;

[0017] 3. The utility model is provided with a climbing frame, a sleeve, a threaded groove, a threaded column and a protective rope. The threaded column is connected to the threaded groove and rotated so that the threaded column is installed on the inner wall of the sleeve. Under the action of the protective rope, the climbing frame can be prevented from folding too much, thereby improving the protectiveness of the ladder truck. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 This is a structural breakdown diagram of the utility model;

[0020] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0021] Figure 4 This is a disassembled diagram of the stabilizing mechanism of the utility model;

[0022] Figure 5 This is a three-dimensional diagram of the protective rope of the utility model.

[0023] In the figure: 1. base; 2. slide groove; 3. through hole; 4. bolt; 5. slide plate; 6. threaded hole; 7. receiving plate; 8. stabilizing mechanism; 801. counterweight box; 802. groove; 803. counterweight block; 804. protrusion; 9. climbing frame; 10. construction platform; 11. sleeve; 12. threaded groove; 13. threaded column; 14. protective rope; 15. pulley. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0025] The following describes an embodiment of the utility model based on its overall structure.

[0026] See also Figure 1-5 A foldable ladder car for railway contact network construction includes a base 1, a slide groove 2 is opened inside the base 1, a through hole 3 is opened inside the base 1, a bolt 4 is installed inside the through hole 3, a slide plate 5 is movably connected inside the slide groove 2, a threaded hole 6 is opened inside the slide plate 5, a receiving plate 7 is fixedly connected to the outer wall of the slide plate 5, a climbing frame 9 is movably connected to the top of the receiving plate 7, a construction platform 10 is movably connected to the top of the climbing frame 9, a pulley 15 is fixedly connected to the bottom of the receiving plate 7, the slide plate 5 forms a sliding structure with the base 1 through the slide groove 2, and the bolt 4 is threadedly connected to the slide plate 5 through the threaded hole 6, the through holes 3 are evenly distributed along the outer wall of the base 1, and the slide groove 2 is symmetrically arranged with the central axis of the base 1, so that the ladder car can be easily folded and lifted.

[0027] See also Figure 1-5 A foldable ladder car for railway contact network construction, the inner wall of the base 1 is fixedly connected with a stabilizing mechanism 8, the stabilizing mechanism 8 includes a counterweight box 801, a groove 802, a counterweight block 803 and a protrusion 804, the inner wall of the base 1 is fixedly connected with the counterweight box 801, the interior of the counterweight box 801 is provided with a groove 802, the interior of the counterweight box 801 is installed with a counterweight block 803, the outer wall of the counterweight block 803 is fixedly connected with a protrusion 804, the protrusion 804 forms a sliding structure with the counterweight box 801 through the groove 802, and the protrusion 804 is symmetrically arranged with the central axis of the counterweight block 803, which can prevent the ladder car from shaking and improve the stability during railway contact network construction.

[0028] See also Figure 1-5A foldable ladder vehicle for railway contact network construction, a sleeve 11 is fixedly connected to the outer wall of a climbing frame 9, a threaded groove 12 is opened inside the sleeve 11, a threaded column 13 is installed inside the sleeve 11, and a protective rope 14 is movably connected to the outer wall of the threaded column 13, the threaded column 13 is threadedly connected to the sleeve 11 through the threaded groove 12, and the threaded column 13 is adapted to the threaded groove 12, the pulley 15 is symmetrically arranged with the central axis of the receiving plate 7, and the top of the climbing frame 9 is hingedly installed on the bottom of the construction platform 10, which can prevent the climbing frame 9 from being folded too large, thereby improving the protection of the ladder vehicle.

[0029] Working principle: When in use, by pulling the receiving plate 7, the pulley 15 is driven to slide along the track, so that the slide plate 5 can slide along the slide groove 2, the climbing frame 9 is folded, and the construction platform 10 is driven to rise and fall. When it is lifted to a suitable height, the bolt 4 is passed through the through hole 3 and rotated, so that the bolt 4 is inserted into the threaded hole 6 for limiting, which facilitates the folding and lifting of the ladder car. By moving the counterweight block 803, the protrusion 804 is docked to the top of the groove 802, so that the protrusion 804 slides down along the groove 802, driving the counterweight block 803 to be installed in the counterweight box 801, the ladder car can be prevented from shaking, and the stability of the railway contact network during construction is improved. By docking the threaded column 13 into the threaded groove 12 and rotating it, the threaded column 13 is installed on the inner wall of the sleeve 11. Under the action of the protective rope 14, the climbing frame 9 can be prevented from folding too large an angle, thereby improving the protectiveness of the ladder car. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0030] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A foldable ladder vehicle for railway overhead contact network construction, comprising a base (1), characterized in that: The base (1) is provided with a slide groove (2) inside, a through hole (3) inside, a bolt (4) is installed inside the through hole (3), a slide plate (5) is movably connected inside the slide groove (2), a threaded hole (6) is provided inside the slide plate (5), a receiving plate (7) is fixedly connected to the outer wall of the slide plate (5), a climbing frame (9) is movably connected to the top of the receiving plate (7), a construction platform (10) is movably connected to the top of the climbing frame (9), and a pulley (15) is fixedly connected to the bottom of the receiving plate (7); A stabilizing mechanism (8) is fixedly connected to the inner wall of the base (1); The outer wall of the climbing frame (9) is fixedly connected to a sleeve (11), a threaded groove (12) is provided inside the sleeve (11), a threaded column (13) is installed inside the sleeve (11), and a protective rope (14) is movably connected to the outer wall of the threaded column (13).

2. A foldable ladder vehicle for railway overhead contact network construction according to claim 1, characterized in that: The slide plate (5) forms a sliding structure with the base (1) through the slide groove (2), and the bolt (4) is threadedly connected to the slide plate (5) through the threaded hole (6).

3. The foldable ladder vehicle for railway overhead contact network construction according to claim 1 is characterized in that: The through holes (3) are evenly distributed along the outer wall of the base (1), and the slide grooves (2) are symmetrically arranged with respect to the central axis of the base (1).

4. A foldable ladder vehicle for railway overhead contact network construction according to claim 1, characterized in that: The stabilizing mechanism (8) comprises a counterweight box (801), a groove (802), a counterweight block (803) and a protrusion (804); the counterweight box (801) is fixedly connected to the inner wall of the base (1); the counterweight box (801) is provided with a groove (802) inside; the counterweight block (803) is installed inside the counterweight box (801); and the outer wall of the counterweight block (803) is fixedly connected to the protrusion (804).

5. A foldable ladder vehicle for railway overhead contact network construction according to claim 4, characterized in that: The protrusion (804) forms a sliding structure with the counterweight box (801) through the groove (802), and the protrusion (804) is symmetrically arranged with respect to the central axis of the counterweight block (803).

6. A foldable ladder vehicle for railway overhead contact network construction according to claim 1, characterized in that: The threaded column (13) is threadedly connected to the sleeve (11) via the threaded groove (12), and the threaded column (13) is adapted to the threaded groove (12).

7. A foldable ladder vehicle for railway overhead contact network construction according to claim 1, characterized in that: The pulley (15) is symmetrically arranged with respect to the central axis of the receiving plate (7), and the top of the climbing frame (9) is hingedly mounted on the bottom of the construction platform (10).

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