Special tool for track electricity testing pile

Abstract

The utility model relates to a special tool for a track electricity testing pile. The special tool for the electricity testing pile comprises a base, a first rotating rod, a second rotating rod, a first bevel gear, a second bevel gear and a fixed seat, a first bevel gear is arranged at one end of the first rotating rod; a second bevel gear is arranged at one end of the second rotating rod; the first bevel gear is meshed with the second bevel gear; the first bevel gear is installed in the longitudinal direction of the base, and the second bevel gear is installed in the transverse direction of the base. The first rotating rod is connected with the base through a fixing seat; the first rotating rod is externally connected with an electric tool; the first rotating rod is mounted in the longitudinal direction of the base; and the second rotating rod is mounted in the transverse direction of the base. The fixing device has the advantages that the occupied space is small, the electricity testing pile can be rapidly fixed to the rail according to the using scene of the electricity testing pile, the fixing effect is definite, the fixing device can be widely applied to rail operation, and the wide application prospect is achieved.

Description

A special tool for track voltage testing stakes Technical Field

[0001] This utility model relates to the field of track technology, specifically, it is a special tool for track voltage testing piles. Background Technology

[0002] With economic development and the continuous expansion of urban scale, urban rail transit, represented by subways, is constantly emerging in cities, becoming one of the main means of transportation for people. The railway contact network is a power transmission line that is erected above the railway line to supply power to electric locomotives. The current that high-speed trains rely on for operation is transmitted through the contact network above the locomotive. Once the contact network is de-energized, or if there is poor contact between the train pantograph and the contact network, it will affect the power supply to the train. The voltage testing of the contact network needs to be carried out accurately and quickly. During track maintenance, the contact network on the upper side of the rail needs to be tested for voltage before a temporary grounding wire can be connected. Before the maintenance of the contact network and train in rail transit, the contact network must be tested for voltage to ensure that the contact network is de-energized and to confirm the personal safety of maintenance personnel.

[0003] Track 9 is equipped with voltage testing posts (see Figure 10). Voltage testing posts 10 include a clamping part, a connecting part, and a voltage testing cable mounting part. The clamping part is typically a U-shaped opening, fixed to the subway track via bolt holes. A large number of voltage testing posts need to be installed in the track to ensure the normal operation of the line.

[0004] The shortcomings of existing technology:

[0005] The two tracks 9 for installing the grounding stakes are very narrow, only about 10 centimeters apart. In the current technology, power tools are generally used to tighten the bolts of the grounding stakes onto the tracks during installation (see Figure 10). However, due to the narrow spacing between the tracks, the power tools cannot be accommodated, making the operation cumbersome.

[0006] Secondly, in the existing technology, the bolts of the voltage test pile are clamped to the track in the direction parallel to the ground. The existing technology can only tighten the bolts in the direction parallel to the ground by using power tools, which has limited fixing effect and makes it easy for the bolts to fall off.

[0007] In addition, due to site limitations, existing voltage testing piles lack installation tools specifically designed for their application scenarios. During urban rail maintenance, it is necessary to perform voltage testing on the overhead contact line before a temporary grounding wire can be connected. The voltage testing cable is connected to a voltage testing pile, and the voltage testing is performed by holding the voltage testing pile to the track. However, the voltage testing pile is prone to falling off during operation, causing interference with the voltage testing.

[0008] In conclusion, there is an urgent need for a specialized tool for track-mounted voltage testers that can quickly and effectively fix them onto rails for various applications. No reports have yet documented such a tool. Summary of the Invention

[0009] The purpose of this invention is to provide a special tool for track-mounted voltage testing piles that can quickly and effectively fix voltage testing piles onto tracks for various applications.

[0010] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0011] A special tool for track voltage testing includes a base, a first rotating rod, a second rotating rod, a first bevel gear, a second bevel gear, and a fixed base. One end of the first rotating rod is provided with the first bevel gear; one end of the second rotating rod is provided with the second bevel gear; the first and second bevel gears mesh with each other; the first bevel gear is installed in the longitudinal direction of the base, and the second bevel gear is installed in the transverse direction of the base; the first rotating rod is connected to the base via the fixed base; connecting bolts are provided around the fixed base to connect the base together; an external power tool is connected to the first rotating rod; the first and second rotating rods are perpendicular; the first rotating rod is installed in the longitudinal direction of the base; the second rotating rod is installed in the transverse direction of the base.

[0012] As a preferred technical solution, the base includes a first mounting part and a second mounting part; the first mounting part is rectangular, the second mounting part is circular, and the first mounting part is located on the outer periphery of the second mounting part; a support platform is formed between the first mounting part and the second mounting part; the first mounting part is vertically distributed, and the second mounting part is horizontally distributed; the first mounting part and the second mounting part are integrally formed.

[0013] As a preferred technical solution, the first mounting part has a mounting hole at its center; the mounting hole penetrates the first mounting part; a support bearing is installed in the mounting hole; a sleeve is provided on the second mounting part; a fixing rod is provided on the sleeve; the fixing rod is inserted into the sleeve, and a rotating bearing is provided on the outer periphery of one end of the fixing rod, and the other end extends outward along the sleeve to the outer surface of the second mounting part, and a fixing bolt is provided at the end of the fixing rod.

[0014] As a preferred technical solution, the first rotating rod includes a hexagonal bolt rod and a support rod; the support rod is connected to a support bearing on its outer periphery; one end of the support rod is connected to the hexagonal bolt rod, and the other end is provided with a first bevel gear.

[0015] As a preferred technical solution, the second rotating rod and the second bevel gear are detachably connected; the interior of the second rotating rod has hexagonal bolt holes; the second bevel gear is generally horn-shaped; the interior of the second bevel gear is provided with a cavity for mounting a rotating bearing; and the end face of the second bevel gear is provided with a fixing hole that mates with a fixing rod.

[0016] As a preferred technical solution, the first bevel gear and the second bevel gear have the same tooth profile; the number of teeth of the first bevel gear is less than the number of teeth of the second bevel gear, and the rotation plane of the first bevel gear is perpendicular to the rotation plane of the second bevel gear.

[0017] As a preferred technical solution, when the first bevel gear and the second bevel gear mesh, both the first bevel gear and the second bevel gear are provided with racks and tooth grooves; the length direction of all the racks on the first bevel gear meshes in the tooth grooves of the second bevel gear, and at least three racks on the first bevel gear mesh in the tooth grooves of the second bevel gear in real time.

[0018] The advantages of this utility model are:

[0019] 1. This utility model provides a special tool for track voltage testing piles. By using an external power tool, it occupies little space and can quickly fix the voltage testing piles on the track according to the usage scenarios of the voltage testing piles. The fixing effect is accurate and it can be widely used in track operations, with broad application prospects.

[0020] 2. A base is provided. The design of the base provides installation space for components such as the first and second rotating rods. On the other hand, during actual operation, the operator can hold the base to prevent excessive vibration from affecting the operation, and make it easier for the operator to accurately disassemble and fix the bolts on the voltage testing pile.

[0021] 3. The voltage testing tool includes a first rotating rod, a second rotating rod, a first bevel gear, and a second bevel gear. In use, the meshing of the first and second bevel gears converts the vertical rotation of the first rotating rod into the lateral rotation of the second rotating rod. This allows for vertical power control of the first rotating rod, which in turn controls the rotation of the second rotating rod, effectively securing voltage testing posts that are only about 10 centimeters apart from the tracks.

[0022] 4. The base includes a first mounting part and a second mounting part; the first mounting part is rectangular, and the second mounting part is circular, with the first mounting part located on the outer periphery of the second mounting part; a support platform is formed between the first and second mounting parts; the first mounting part is vertically distributed, and the second mounting part is horizontally distributed. The effect of this design is ingenious: on the one hand, it provides mounting space for the first and second rotating rods in both the longitudinal and transverse directions; on the other hand, it provides mounting space for the first and second bevel gears inside the base.

[0023] 5. A mounting hole is provided at the center of the first mounting part; the mounting hole penetrates the first mounting part; a support bearing is installed in the mounting hole. The effect of this design is that a support bearing is provided at the connection between the first rotating rod and the base, which is used to support the first rotating rod so that the rotation of the first rotating rod does not interfere with the base. If the first rotating rod interferes with the base, it will cause the base to vibrate, affecting the transmission of motion.

[0024] 6. The second rotating rod and the second bevel gear are detachably connected; the second bevel gear has hexagonal bolt holes inside. The effect of this design is that the hexagonal bolt holes on the second rotating rod facilitate mating with the fastening bolts on the voltage testing stake. The detachable connection between the second rotating rod and the second bevel gear allows for easy replacement of second rotating rods of different sizes to meet the size requirements of different fastening bolts; furthermore, it facilitates the installation of a rotating bearing in the second bevel gear to establish a connection with the fixed rod.

[0025] 7. The number of teeth and radius of the first bevel gear are both smaller than those of the second bevel gear. The effect of this design is that the smaller number of teeth and radius of the first bevel gear allows the second rotating rod at the output end to reduce its rotational speed after the input speed is transmitted through the bevel gears. If the speed is too high, it can easily damage the fastening bolts on the voltage testing pile. Secondly, this design also increases the transmitted torque, making bolt removal easier.

[0026] 8. The first rotating rod and the second rotating rod are perpendicular to each other; the first rotating rod is installed in the longitudinal direction of the base; the second rotating rod is installed in the transverse direction of the base. The effect of this design is that, in actual operation, the first rotating rod is positioned longitudinally, completely avoiding the space between the two tracks, and is not limited by the 10cm track spacing. Only an external power tool needs to be connected to the first rotating rod in the longitudinal direction, and then, through bevel gear transmission, the longitudinal rotation of the first rotating rod is converted into the transverse rotation of the second rotating rod. This facilitates operation and allows for quick and accurate fixing of the voltage testing pile onto the track, tailored to various usage scenarios. Attached Figure Description

[0027] Figure 1 is a structural schematic diagram of a special tool for track voltage testing piles according to this utility model.

[0028] Figure 2 is a cross-sectional view of Figure 1.

[0029] Figure 3 is a schematic diagram of the front structure of the base.

[0030] Figure 4 shows a schematic diagram of the right side structure of the base.

[0031] Figure 3 is a schematic diagram of the connection between the first rotating rod and the first bevel gear.

[0032] Figure 4 is a schematic diagram of the connection between the second rotating rod and the second bevel gear.

[0033] Figure 5 is a schematic diagram of the connection between the first rotating rod and the first bevel gear.

[0034] Figure 6 is a schematic diagram of the connection between the second rotating rod and the second bevel gear.

[0035] Figure 7 is a schematic diagram of the top side structure of the second rotating rod.

[0036] Figure 8 is a structural schematic diagram of the fixed base.

[0037] Figure 9 is a schematic diagram of the connection between the first bevel gear and the second bevel gear.

[0038] Figure 10 is a schematic diagram showing the distribution of the track and verification charging piles. Detailed Implementation

[0039] The present invention will be further described below with reference to the embodiments and the accompanying drawings.

[0040] The reference numerals and components involved in the accompanying drawings are shown below:

[0041] 1. Base 2. First rotating rod

[0042] 3. Second rotating rod 4. First bevel gear

[0043] 5. Second bevel gear 6. Fixed base

[0044] 11. First Installation Section 12. Second Installation Section

[0045] 111. Mounting hole 121. Sleeve

[0046] 122. Fixed rod 123. Rotating bearing

[0047] 124. Fixing bolts 125. Support platform

[0048] 21. Hex bolt rod 22. Support rod

[0049] 23. Support bearing; 31. Hex bolt hole

[0050] 51. Fixing hole 7. Gear rack

[0051] 8. Toothed groove 61. Connecting bolt

[0052] 9. Track 10. Voltage test stake

[0053] 61. Connecting bolts

[0054] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0055] To facilitate understanding of the embodiments of this utility model, the following will provide further explanation and description with reference to the accompanying drawings and specific embodiments. These embodiments do not constitute a limitation on the embodiments of this utility model.

[0056] In the description of the embodiments of this utility model, it should be noted that the terms "lateral," "longitudinal," "left side," "right side," "upper side," "lower side," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; in addition, unless otherwise expressly specified and limited, the terms "installed," "connected," and "connected" should be interpreted broadly, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0057] Please refer to Figures 1 and 2. Figure 1 is a structural schematic diagram of a special tool for track voltage testing according to this utility model. Figure 2 is a cross-sectional schematic diagram of Figure 1. A special tool for track voltage testing includes a base 1, a first rotating rod 2, a second rotating rod 3, a first bevel gear 4, a second bevel gear 5, and a fixed seat 6. One end of the first rotating rod 2 is provided with the first bevel gear 4; one end of the second rotating rod 3 is provided with the second bevel gear 5; the first bevel gear 4 and the second bevel gear 5 mesh with each other; the first bevel gear 4 is installed in the longitudinal direction of the base 1, and the second bevel gear 5 is installed in the transverse direction of the base 1; the first rotating rod 2 is connected to the base 1 via the fixed seat 6; an external power tool is connected to the first rotating rod 2; when the first rotating rod 2 rotates, the first bevel gear 4 rotates synchronously with the first rotating rod 2; the first bevel gear 4 meshes with the second bevel gear 5, thereby driving the second bevel gear 5 to rotate, and when the second bevel gear 5 rotates, it drives the second rotating rod 3 to rotate.

[0058] Please refer to Figures 3 and 4. Figure 3 is a schematic diagram of the front structure of base 1. Figure 4 is a schematic diagram of the right side structure of base 1. The base 1 includes a first mounting part 11 and a second mounting part 12; the first mounting part 11 is rectangular, and the second mounting part 12 is circular, with the first mounting part 11 located on the outer periphery of the second mounting part 12; a support platform 125 is formed between the first mounting part 11 and the second mounting part 12; the first mounting part 11 is vertically distributed, and the second mounting part 12 is horizontally distributed. The first mounting part 11 and the second mounting part 12 are integrally formed; the first mounting part 11 is provided with a mounting hole 111 at its center; the mounting hole 111 penetrates the first mounting part 11; a support bearing 23 is installed in the mounting hole 111; a sleeve 121 is provided on the second mounting part 12; a fixing rod 122 is provided on the sleeve 121; the fixing rod 122 is inserted into the sleeve 121, and a rotating bearing 123 is provided on the outer periphery of one end of the fixing rod 122, and the other end extends outward along the sleeve 121 to the outer surface of the second mounting part 12, and a fixing bolt 124 is provided at the end of the fixing rod 122.

[0059] Please refer to Figure 5, which is a schematic diagram of the connection between the first rotating rod 2 and the first bevel gear 4. The first rotating rod 2 includes a hexagonal bolt rod 21 and a support rod 22; a support bearing 23 is connected to the outer periphery of the support rod 22; one end of the support rod 22 is connected to the hexagonal bolt rod 21, and the other end is provided with the first bevel gear 4. The first bevel gear 4 is generally frustoconical in shape; the width of the outer end face of the first bevel gear 4 is smaller than the width of the inner end face.

[0060] Please refer to Figures 6 and 7. Figure 6 is a schematic diagram of the connection between the second rotating rod 3 and the second bevel gear 5. Figure 7 is a schematic diagram of the top side structure of the second rotating rod 3. The second rotating rod 3 and the second bevel gear 5 are detachably connected; the interior of the second rotating rod 3 has hexagonal bolt holes 31; the second bevel gear 5 is generally flared; the interior of the second bevel gear 5 has a cavity for mounting to the rotating bearing 123; the end face of the second bevel gear 5 has a fixing hole 51 that mates with the fixing rod 122.

[0061] Please refer to Figure 8, which is a structural schematic diagram of the fixing base 6. The fixing base 6 is provided with connecting bolts 61 around its perimeter, which connect the base 1 together.

[0062] Please refer to Figure 9, which is a schematic diagram of the connection between the first bevel gear 4 and the second bevel gear 5. The first bevel gear 4 and the second bevel gear 5 have the same tooth profile; the number of teeth of the first bevel gear 4 is less than the number of teeth of the second bevel gear. The rotation plane of the first bevel gear 4 is perpendicular to the rotation plane of the second bevel gear 5; when the first bevel gear 4 and the second bevel gear mesh, the entire length of the rack 7 on the first bevel gear 4 meshes in the tooth groove 8 of the second bevel gear 5, and at least three racks 7 on the first bevel gear 4 are constantly meshed in the tooth groove 8 of the second bevel gear 5.

[0063] It should be noted that:

[0064] The aforementioned special tool for voltage testing piles includes a base 1. The design of the base 1 provides installation space for components such as the first rotating rod 2 and the second rotating rod 3. In addition, during actual operation, the operator can hold the base 1 to prevent excessive vibration from affecting the operation, and facilitate the operator to accurately disassemble and fix the bolts on the voltage testing pile.

[0065] The voltage testing tool includes a first rotating rod 2, a second rotating rod 3, a first bevel gear 4, and a second bevel gear 5. In use, the meshing of the first bevel gear 4 and the second bevel gear 5 converts the vertical rotation of the first rotating rod 2 into the lateral rotation of the second rotating rod 3. This allows for vertical power control of the first rotating rod 2, which in turn controls the rotation of the second rotating rod 3. This effectively secures voltage testing piles on tracks only about 10 centimeters apart, enabling quick and precise fixing of voltage testing piles to the tracks for various applications. In contrast, existing technologies often use narrow tracks and the voltage testing pile's fastening bolts are typically lateral (parallel to the ground), making it impossible to directly use power tools to fix and remove these bolts.

[0066] The fixed base 6 is designed primarily to facilitate a fixed connection between the first rotating rod 2 and the base 1, allowing the first rotating rod 2 to rotate stably relative to the base 1.

[0067] The base 1 includes a first mounting portion 11 and a second mounting portion 12; the first mounting portion 11 is rectangular, the second mounting portion 12 is circular, and the first mounting portion 11 is located on the outer periphery of the second mounting portion 12; a support platform 125 is formed between the first mounting portion 11 and the second mounting portion 12; the first mounting portion 11 is vertically distributed, and the second mounting portion 12 is horizontally distributed. The effect of this design is ingenious: on the one hand, it provides mounting space for the first rotating rod 2 and the second rotating rod 3 in both the longitudinal and transverse directions; on the other hand, it provides mounting space for the first bevel gear 4 and the second bevel gear 5 inside the base 1.

[0068] A mounting hole 111 is provided at the center of the first mounting part 11; the mounting hole 111 extends through the first mounting part 11; a support bearing 23 is installed in the mounting hole 111. The effect of this design is that the support bearing 23 at the connection between the first rotating rod 2 and the base 1 supports the first rotating rod 2, ensuring that the rotation of the first rotating rod 2 does not interfere with the base 1. If the first rotating rod 2 interferes with the base 1, it will cause the base 1 to vibrate, affecting the transmission of motion.

[0069] The second mounting portion 12 is provided with a sleeve 121; a fixing rod 122 is provided on the sleeve 121; the fixing rod 122 is inserted into the sleeve 121, and a rotating bearing 123 is provided on the outer periphery of one end of the fixing rod 122, and the other end extends outward along the sleeve 121 to the outer surface of the second mounting portion 12, and a fixing bolt 124 is provided at the end of the fixing rod 122. The effect of this design is that, on the one hand, the rotating bearing 123 facilitates the connection between the base 1 and the second rotating rod 3; on the other hand, the fixing rod 122 and the fixing bolt 124 establish a fixing point, realizing the installation connection between the second rotating rod 3 and the base 1.

[0070] The first rotating rod 2 includes a hexagonal bolt rod 21 and a support rod 22; the support rod 22 is connected to a support bearing 23 on its outer periphery; one end of the support rod 22 is connected to the hexagonal bolt rod 21, and the other end is provided with a first bevel gear 4. The effect of this design is that the hexagonal bolt rod 21 is convenient for connecting external power tools, such as electric tools; the design of the support rod 22 facilitates connection with the support bearing 23 on the base 1.

[0071] The second rotating rod 3 and the second bevel gear 5 are detachably connected; the second rotating rod 3 has a hexagonal bolt hole 31 inside. The effect of this design is that the hexagonal bolt hole 31 on the second rotating rod 3 facilitates its mating with the fastening bolts on the voltage testing stake. The detachable connection between the second rotating rod 3 and the second bevel gear 5 allows for easy replacement of second rotating rods 3 of different sizes to meet the size requirements of different fastening bolts; furthermore, it facilitates the installation of a rotating bearing 123 in the second bevel gear 5, establishing a connection with the fixed rod 122.

[0072] The second bevel gear 5 is generally horn-shaped; the second bevel gear 5 has an internal cavity for mounting the rotating bearing 123; the end face of the second bevel gear 5 has a fixing hole 51 for cooperating with the fixing rod 122. The design effect is that the cavity design provides installation space for the rotating bearing 123; the fixing hole 51 facilitates cooperation with the fixing rod 122.

[0073] The fixed base 6 has a central hole for mounting the first rotating rod 2; a fastening bolt is provided at the connection between the fixed base 6 and the base 1. The advantages of this design are: the central hole facilitates the fitting with the support rod 22; and the fastening bolt facilitates the establishment of a fixed connection between the base 1 and the fixed base 6.

[0074] The number of teeth and radius of the first bevel gear 4 are both smaller than those of the second bevel gear. The effect of this design is that the smaller number of teeth and radius of the first bevel gear 4 allows the second rotating rod 3 at the output end to reduce its rotational speed after the input speed is transmitted through the bevel gears. If the speed is too high, it can easily damage the fastening bolts on the voltage testing pile. Secondly, this design also increases the transmitted torque, making bolt removal easier.

[0075] The first bevel gear 4 and the second bevel gear 5 have identical tooth profiles, and the rotation plane of the first bevel gear 4 is perpendicular to the rotation plane of the second bevel gear 5. The effect of this design is that the tooth profiles of the two bevel gears are identical, which facilitates meshing and transmission.

[0076] The rotation plane of the first bevel gear 4 is perpendicular to the rotation plane of the second bevel gear 5. The effect of this design is to convert vertical rotation into horizontal rotation, resulting in high space utilization.

[0077] When the first bevel gear 4 and the second bevel gear mesh, the rack 7 on the first bevel gear 4 is fully engaged in the tooth groove 8 of the second bevel gear 5 along its entire length, and at least three racks 7 on the first bevel gear 4 are engaged in the tooth groove 8 of the second bevel gear 5 at all times. The effect of this design is that when the two bevel gears mesh, the entire length of the gears is engaged in the tooth groove 8, which increases the contact area and effectively prevents disengagement. Secondly, during meshing, it ensures that three racks 7 are engaged with the tooth groove 8 at all times, establishing three transmission surfaces and ensuring stable transmission.

[0078] The first rotating rod 2 and the second rotating rod 3 are perpendicular to each other; the first rotating rod 2 is installed in the longitudinal direction of the base 1; the second rotating rod 3 is installed in the transverse direction of the base 1. The effect of this design is that, in actual operation, the first rotating rod 2 is located in the longitudinal direction, which completely avoids the space between the two tracks and is not limited by the track spacing of only 10 cm. Only an external power tool needs to be connected to the first rotating rod 2 in the longitudinal direction, and then through the bevel gear transmission, the longitudinal rotation of the first rotating rod is converted into the transverse rotation of the second rotating rod 3, which is convenient to operate and can quickly fix the voltage tester on the track for the application scenario of the voltage tester, with a reliable fixing effect.

[0079] The above description is only a preferred embodiment of the present utility model. It should be noted that those skilled in the art can make several improvements and additions without departing from the principle of the present utility model, and these improvements and additions should also be considered within the protection scope of the present utility model.

Claims

1. A special tool for rail electrification testing, characterized in that, The aforementioned voltage testing tool includes a base, a first rotating rod, a second rotating rod, a first bevel gear, a second bevel gear, and a fixed base. One end of the first rotating rod is equipped with a first bevel gear; one end of the second rotating rod is equipped with a second bevel gear; the first and second bevel gears mesh with each other; the first bevel gear is installed in the longitudinal direction of the base, and the second bevel gear is installed in the transverse direction of the base; the first rotating rod is connected to the base via the fixed base; connecting bolts are provided around the fixed base to connect the base together; an external power tool is connected to the first rotating rod; the first and second rotating rods are perpendicular; the first rotating rod is installed in the longitudinal direction of the base; and the second rotating rod is installed in the transverse direction of the base.

2. The special tool for track voltage testing piles according to claim 1, characterized in that, The base includes a first mounting part and a second mounting part; the first mounting part is rectangular and the second mounting part is circular, and the first mounting part is located on the outer periphery of the second mounting part; a support platform is formed between the first mounting part and the second mounting part; the first mounting part is vertically distributed and the second mounting part is horizontally distributed; the first mounting part and the second mounting part are integrally formed.

3. The special tool for track voltage testing piles according to claim 2, characterized in that, The first mounting part has a mounting hole at its center; the mounting hole penetrates the first mounting part; a support bearing is installed in the mounting hole; a sleeve is provided on the second mounting part; a fixing rod is provided on the sleeve; the fixing rod is inserted into the sleeve, and a rotating bearing is provided on the outer periphery of one end of the fixing rod, and the other end extends outward along the sleeve to the outer surface of the second mounting part, and a fixing bolt is provided at the end of the fixing rod.

4. The special tool for track voltage testing piles according to claim 1, characterized in that, The first rotating rod includes a hexagonal bolt rod and a support rod; a support bearing is connected to the outer periphery of the support rod; one end of the support rod is connected to the hexagonal bolt rod, and the other end is provided with a first bevel gear.

5. The rail track inspection probe according to claim 3, wherein, The second rotating rod and the second bevel gear are detachably connected; the interior of the second rotating rod has hexagonal bolt holes; the second bevel gear is generally horn-shaped; the interior of the second bevel gear has a cavity for mounting a rotating bearing; the end face of the second bevel gear has a fixing hole for cooperating with a fixing rod.

6. The special tool for track voltage testing piles according to any one of claims 1-5, characterized in that, The first bevel gear and the second bevel gear have the same tooth profile; the number of teeth of the first bevel gear is less than the number of teeth of the second bevel gear, and the rotation plane of the first bevel gear is perpendicular to the rotation plane of the second bevel gear.

7. The rail joint tool according to claim 1, wherein, When the first bevel gear and the second bevel gear mesh, both the first bevel gear and the second bevel gear are provided with racks and tooth grooves; the length direction of all the racks on the first bevel gear meshes in the tooth grooves of the second bevel gear, and at least three racks on the first bevel gear mesh in the tooth grooves of the second bevel gear in real time.

Images