Cold slip test device for existing line reconstruction contact net

Abstract

The utility model relates to the technical field of catenary cold slip test, and discloses an existing line reconstruction catenary cold slip test device, which comprises a ladder vehicle and a base, corner brackets are fixedly connected to the front and back of the left and right sides of the outer wall of the base, the corner brackets are connected to the four corners of the upper part of the ladder vehicle in an attached manner, and insertion blocks are fixedly connected to the bottoms of the corner brackets. Four through grooves which are the same as the inserting blocks in position are formed in the upper side of the interior of the ladder trolley, the inserting blocks are slidably connected to the interiors of the through grooves, bolts are connected to the interiors of the inserting blocks in a threaded mode, extending assemblies are slidably connected to the front portions and the rear portions of the bottom sides of the interiors of the inserting blocks, and the extending assemblies are used for further fixing the inserting blocks. According to the utility model, rapid and convenient installation of the device is realized, the stability of the device is ensured, the height of the device and the fitting angle between the sight distance ruler and the contact line are adjusted, and the sight distance ruler and the contact line are ensured to be parallel, so that the test effect on the contact line is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of contact network cold slip test, in particular to a contact network cold slip test device used for existing line reconstruction. Background Art

[0002] The cold sliding test is a dynamic test inspection of the contact network by sliding the pantograph of the electric locomotive when the contact network is not energized. The test is to test whether the change of the conductor height is smooth, and whether there is any bowing, scraping or bow detachment in various components and branch points, so as to ensure that the actual parameters meet the design and acceptance standards.

[0003] The existing cold slip test device is movably connected to the spring adjusting rod at both ends of the pulling spring. Taking advantage of the deformable characteristics of the rhombus, a pulling spring is added between the rhombuses so that it can rise and fall freely under the action of external force. However, the stability of the device installation still needs to be improved to ensure the stability of the device during the test. For this reason, a cold slip test device for the contact network of the existing line modification is proposed to solve the above problems. Utility Model Content

[0004] In order to remedy the above deficiencies, the utility model provides a cold sliding test device for contact network modification of existing lines, aiming to improve the problem in the prior art that the stability of device installation still needs to be improved to ensure the stability of the device during testing.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a cold sliding test device for contact network modification of existing lines, including a ladder car and a base, the outer wall of the base is fixedly connected to the front and rear sides with angle brackets on both the left and right sides, the angle brackets are snugly connected to the upper four corners of the ladder car, the bottom of the angle brackets is fixedly connected to the plug block, the upper inner side of the ladder car is provided with four through grooves with the same position as the plug block, the plug block is slidably connected to the inside of the through grooves, the internal thread of the plug block is connected with bolts, the internal bottom side of the plug block is slidably connected to the front and rear with extension components, and the extension component is used to further fix the plug block.

[0006] As a further description of the above technical solution:

[0007] A fixing frame is fixedly connected to the left side of the upper part of the base, a rotating shaft is rotatably connected to the inner wall of the fixing frame, a rotating rod is fixedly connected to the right side of the rotating shaft, a rotating rod is rotatably connected to the right inner side of the rotating rod, a connecting frame is fixedly connected to the front and rear sides of the outer side of the rotating rod, a connecting rod is rotatably connected to the right inner side of the connecting frame, and a sight scale is fixedly connected to both ends of the connecting rod.

[0008] As a further description of the above technical solution:

[0009] The extension assembly includes a trapezoidal block, which is slidably connected to the front and rear of the inner bottom side of the insertion block, and a double-headed telescopic part is fixedly connected to the corresponding side of the trapezoidal block. The outer side of the double-headed telescopic part is sleeved with a first spring, and the two ends of the first spring are respectively fixedly connected to the corresponding side of the trapezoidal block, and the trapezoidal block is slidably connected to the inside of the through groove.

[0010] As a further description of the above technical solution:

[0011] A slide groove is provided inside the corresponding side of the connecting frame, a slider is slidably connected inside the slide groove, a second telescopic rod is fixedly connected to the bottom side of the slider, a first rotating member is fixedly connected to the bottom end of the second telescopic rod, and the first rotating member is rotatably connected to the front and rear sides inside the rotating rod.

[0012] As a further description of the above technical solution:

[0013] The left front and rear inner parts of the rotating rod are both rotatably connected with the second rotating member, the outer part of the second rotating member is fixedly connected with a connecting member, one end of the connecting member is fixedly connected with a second spring, and one end of the second spring is fixedly connected with a round block.

[0014] As a further description of the above technical solution:

[0015] A fixing block is fixedly connected to the bottom of the round block, and two fixing grooves having the same positions as the fixing blocks are arranged inside the left side of the fixing frame, and the fixing block is slidably connected inside the fixing grooves.

[0016] As a further description of the above technical solution:

[0017] The right bottom of the rotating rod is rotatably connected with a first telescopic rod, and the first telescopic rod is fixedly connected to the right upper part of the base.

[0018] As a further description of the above technical solution:

[0019] The connecting member and the second spring are both closely connected to the outside of the rotating shaft.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the utility model, by placing the base on the upper part of the ladder car, the angle bracket is fitted with the ladder car, the plug block is inserted into the interior of the through slot, and the trapezoidal block is squeezed. When the trapezoidal block is no longer squeezed, the trapezoidal block is inserted into the interior of the through slot under the action of the double-head telescopic member and the first spring, and the bolt is rotated and screwed into the interior of the ladder car and the plug block, thereby realizing a quick and convenient installation of the device and ensuring the stability of the device.

[0022] 2. In the utility model, by pulling the round block to move the fixed block out of the fixed groove, the rotating rod can be pulled to rotate the rotating shaft, and at the same time, the rotating rod rotates outside the rotating rod to adjust the height. The first rotating member rotates inside the rotating rod through the rotation of the rotating rod, and the slider is driven to slide inside the slide groove through the second telescopic rod to adjust the angle of the tachymeter, thereby realizing the adjustment of the height of the device and the fitting angle of the tachymeter and the contact line to ensure parallelism therewith, so as to improve the test effect on the contact line. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A stereoscopic diagram of a cold sliding test device for the contact network of an existing line reconstruction proposed by the utility model;

[0024] Figure 2 This is a schematic diagram of the base installation structure of a cold sliding test device for the contact network of an existing line modification proposed by the utility model;

[0025] Figure 3 A schematic diagram of a slide rail for a cold sliding test device for a contact network for an existing line reconstruction proposed by the utility model;

[0026] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0027] Figure 5 for Figure 2 Middle B is an enlarged view.

[0028] Legend:

[0029] 1. Ladder car; 2. Base; 3. Angle bracket; 4. Insert block; 5. Trapezoidal block; 6. Double-head telescopic member; 7. First spring; 8. Through slot; 9. Bolt; 10. Fixed frame; 11. Rotating shaft; 12. Second spring; 13. Connecting member; 14. Rotating rod; 15. First telescopic rod; 16. Rotating rod; 17. Connecting frame; 18. Sight ruler; 19. Connecting rod; 20. Slide slot; 21. Sliding block; 22. Second telescopic rod; 23. Round block; 24. Fixed block; 25. Fixed slot; 26. First rotating member; 27. Second rotating member. DETAILED DESCRIPTION

[0030] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] Reference Figure 1 , Figure 2 , Figure 3 The utility model provides an embodiment: a cold sliding test device for contact network for existing line transformation, including a ladder car 1 and a base 2, the outer wall of the base 2 is fixedly connected with angle brackets 3 on both sides, the angle brackets 3 are fitted and connected to the upper four corners of the ladder car 1, and the bottom of the angle brackets 3 is fixedly connected with plug blocks 4. The upper side of the interior of the ladder car 1 is provided with four through grooves 8 at the same position as the plug blocks 4. The plug blocks 4 are slidably connected to the inside of the through grooves 8. The internal threads of the plug blocks 4 are connected with bolts 9. The internal bottom side of the plug blocks 4 is slidably connected with extension components on both sides, and the extension components are used to further fix the plug blocks 4.

[0032] The extension component includes a trapezoidal block 5, which is slidably connected to the front and rear of the inner bottom side of the insertion block 4. A double-headed telescopic member 6 is fixedly connected to the corresponding side of the trapezoidal block 5. A first spring 7 is sleeved on the outside of the double-headed telescopic member 6. Both ends of the first spring 7 are respectively fixedly connected to the corresponding side of the trapezoidal block 5. The trapezoidal block 5 is slidably connected to the inside of the through groove 8.

[0033] By placing the base 2 on the upper part of the ladder trolley 1, the angle frame 3 is fitted with the ladder trolley 1, the plug block 4 is inserted into the inside of the through groove 8, and the trapezoidal block 5 is squeezed to move it to the inside of the plug block 4, so that the double-headed telescopic member 6 and the first spring 7 are squeezed by the trapezoidal block 5, so that they generate a rebound force. When the trapezoidal block 5 is no longer squeezed, the trapezoidal block 5 is inserted into the inside of the through groove 8 through the rebound force of the double-headed telescopic member 6 and the first spring 7, so that the plug block 4 and the ladder trolley 1 are stably connected, and the bolt 9 is rotated and screwed into the inside of the ladder trolley 1 and the plug block 4, so that the device can be quickly and conveniently installed, further ensuring the stability of the device.

[0034] Reference Figure 1 , Figure 4 , Figure 5 A fixed frame 10 is fixedly connected to the left side of the upper part of the base 2, and a rotating shaft 11 is rotatably connected to the inner wall of the fixed frame 10. A rotating rod 14 is fixedly connected to the right side of the rotating shaft 11, and a rotating rod 16 is rotatably connected to the right side of the rotating rod 14. A connecting frame 17 is fixedly connected to the front and rear sides of the outside of the rotating rod 16, and a connecting rod 19 is rotatably connected to the right side of the connecting frame 17. Both ends of the connecting rod 19 are fixedly connected to a sight scale 18. A sliding groove 20 is provided inside the corresponding side of the connecting frame 17, and a slider 21 is slidably connected inside the sliding groove 20. A second telescopic rod 22 is fixedly connected to the bottom side of the slider 21, and a first rotating member 26 is fixedly connected to the bottom end of the second telescopic rod 22. The first rotating member 26 is rotatably connected to the front and rear sides of the inside of the rotating rod 14. The connecting member 13 and the second spring 12 are both fitted and connected to the outside of the rotating shaft 11. The bottom of the right side of the rotating rod 14 is rotatably connected to the first telescopic rod 15, and the first telescopic rod 15 is fixedly connected to the upper right side of the base 2;

[0035] The left front and back interior of the rotating rod 14 are both rotatably connected with the second rotating member 27, the outside of the second rotating member 27 is fixedly connected with the connecting member 13, one end of the connecting member 13 is fixedly connected with the second spring 12, one end of the second spring 12 is fixedly connected with the round block 23, the bottom of the round block 23 is fixedly connected with the fixed block 24, and the left interior of the fixed frame 10 is provided with two fixed grooves 25 at the same position as the fixed block 24, and the fixed block 24 is slidably connected inside the fixed grooves 25.

[0036] The fixing block 24 is moved out of the fixing groove 25 by pulling the round block 23, and the rotating rod 14 is no longer pulled to fix its position. The rotating rod 14 is pulled to rotate the rotating shaft 11, and the rotating rod 14 is rotated outside the rotating rod 16, and the first telescopic rod 15 is pulled and extended to adjust the height. Under the rotation of the rotating rod 14, the first rotating member 26 is rotated inside the rotating rod 14, and the slider 21 is driven to slide inside the sliding groove 20 through the second telescopic rod 22. At the same time, the connecting frame 17 is rotated on both sides of the outside of the connecting rod 19, and the rotating rod 16 is rotated to adjust the angle of the tacho scale 18. After the adjustment is completed, the round block 23 is pulled to make the second spring 12 fit the outside of the rotating shaft 11, and the fixing block 24 is reinserted into the fixing groove 25 to fix the position of the rotating rod 14, so that the height of the device and the fitting angle of the tacho scale 18 with the contact line are adjusted to ensure that it is parallel to it, so as to improve the test effect on the contact line.

[0037] Working principle: When the device is needed, the base 2 is placed on the upper part of the ladder trolley 1, the angle bracket 3 is fitted with the ladder trolley 1, the plug block 4 is inserted into the through slot 8, and the trapezoidal block 5 is squeezed. When the trapezoidal block 5 is no longer squeezed, the trapezoidal block 5 is inserted into the through slot 8 under the action of the double-head telescopic member 6 and the first spring 7, and the bolt 9 is rotated and screwed into the inside of the ladder trolley 1 and the plug block 4, so that the device can be installed quickly and conveniently, and the stability of the device is ensured;

[0038] By pulling the round block 23 to move the fixed block 24 out of the fixed groove 25, the rotating rod 14 can be pulled to rotate the rotating shaft 11. At the same time, the rotating rod 14 rotates outside the rotating rod 16 to adjust the height. The first rotating member 26 rotates inside the rotating rod 14 through the rotation of the rotating rod 14, and the slider 21 is driven by the second telescopic rod 22 to slide inside the slide groove 20 to adjust the angle of the tachymeter 18. The height of the device and the fitting angle of the tachymeter 18 and the contact line can be adjusted to ensure parallelism with the contact line, so as to improve the test effect on the contact line.

[0039] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A cold sliding test device for an existing line contact network modification, comprising a ladder vehicle (1) and a base (2), characterized in that: The outer wall of the base (2) is fixedly connected to angle brackets (3) at the front and rear sides on both the left and right sides. The angle brackets (3) are fitted and connected to the four upper corners of the ladder car (1). The bottom of the angle brackets (3) is fixedly connected to an insert block (4). The upper side of the interior of the ladder car (1) is provided with four through slots (8) at the same position as the insert block (4). The insert block (4) is slidably connected to the inside of the through slots (8). The inside of the insert block (4) is threadedly connected to bolts (9). The inside bottom side of the insert block (4) is slidably connected to extension components at the front and rear sides. The extension components are used to further fix the insert block (4).

2. The cold sliding test device for the contact network of an existing line reconstruction according to claim 1 is characterized in that: A fixing frame (10) is fixedly connected to the left side of the upper part of the base (2); a rotating shaft (11) is rotatably connected to the inner wall of the fixing frame (10); a rotating rod (14) is fixedly connected to the right side of the rotating shaft (11); a rotating rod (16) is rotatably connected to the right side of the rotating rod (14); a connecting frame (17) is fixedly connected to the front and rear sides of the rotating rod (16); a connecting rod (19) is rotatably connected to the right side of the connecting frame (17); and a sight scale (18) is fixedly connected to both ends of the connecting rod (19).

3. The cold sliding test device for the contact network of an existing line reconstruction according to claim 1 is characterized in that: The extension assembly comprises a trapezoidal block (5), the trapezoidal block (5) being slidably connected to the front and rear of the inner bottom side of the insert block (4), a double-head telescopic member (6) being fixedly connected to the corresponding side of the trapezoidal block (5), a first spring (7) being sleeved on the outer side of the double-head telescopic member (6), two ends of the first spring (7) being respectively fixedly connected to the corresponding side of the trapezoidal block (5), and the trapezoidal block (5) being slidably connected to the inside of the through slot (8).

4. The cold sliding test device for the contact network of an existing line reconstruction according to claim 2 is characterized in that: A slide groove (20) is provided inside the corresponding side of the connecting frame (17), a slider (21) is slidably connected inside the slide groove (20), a second telescopic rod (22) is fixedly connected to the bottom side of the slider (21), a first rotating member (26) is fixedly connected to the bottom end of the second telescopic rod (22), and the first rotating member (26) is rotatably connected to the front and rear sides inside the rotating rod (14).

5. The cold sliding test device for the contact network of an existing line reconstruction according to claim 2 is characterized in that: The left front and rear interior of the rotating rod (14) are both rotatably connected to a second rotating member (27), the exterior of the second rotating member (27) is fixedly connected to a connecting member (13), one end of the connecting member (13) is fixedly connected to a second spring (12), and one end of the second spring (12) is fixedly connected to a round block (23).

6. The cold sliding test device for the contact network of an existing line reconstruction according to claim 5 is characterized in that: A fixing block (24) is fixedly connected to the bottom of the round block (23), and two fixing grooves (25) located at the same position as the fixing block (24) are provided inside the left side of the fixing frame (10), and the fixing block (24) is slidably connected inside the fixing grooves (25).

7. The cold sliding test device for the contact network of an existing line reconstruction according to claim 2 is characterized in that: The right bottom of the rotating rod (14) is rotatably connected to a first telescopic rod (15), and the first telescopic rod (15) is fixedly connected to the upper right side of the base (2).

8. The cold sliding test device for the contact network of an existing line reconstruction according to claim 5 is characterized in that: The connecting piece (13) and the second spring (12) are both closely connected to the outside of the rotating shaft (11).

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