Railway overhead line system cantilever mounting equipment

Abstract

The invention relates to the technical field of overhead line system cantilever installation, in particular to railway overhead line system cantilever installation equipment which comprises a hanging basket fixedly installed with an external climbing crane mechanical arm, an arc-shaped beam is slidably connected to the middle of the hanging basket in a clamped mode, and a first carrying plate and a second carrying plate are fixed to the two sides of the arc-shaped beam respectively. First motors used for driving the arc-shaped beam to rotate are fixed to the two sides of the hanging basket correspondingly, and two second motors are fixed to the top face of the first carrying plate. According to the invention, the motor II drives the poke rod to rotate, so that the inclined cantilever can be automatically inserted into the mounting hole of the lower insulator, and the motor I drives the arc-shaped beam to rotate upwards by taking the hinged position of the lower insulator and the supporting column as the circle center, so that the arc-shaped beam moves the flat cantilever to the position of the mounting hole of the upper insulator; and finally, the whole cantilever is pushed towards the supporting column through the poke rod again, the cantilever is automatically installed between the two insulators, and the cantilever installation efficiency can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of contact network arm installation, in particular to railway contact network arm installation equipment. Background Art

[0002] The catenary arm connects the catenary and the EMU, and plays the role of a bridge for power transmission. The arm mainly includes a flat arm and an oblique arm. A arm support is installed and fixed between the flat arm and the oblique arm. The flat arm is installed on the pillar through the upper insulator, and the oblique arm is installed on the pillar through the lower insulator. At present, the common method of installing the arm is to pull the flat arm and the oblique arm to the top of the pillar, and then manually plug and install the oblique arm and the lower insulator on the pillar, and then plug and install the flat arm and the upper insulator. Finally, the arm support is fixed between the flat arm and the oblique arm.

[0003] In the process of aligning and plugging the flat wrist arm and the oblique wrist arm with the upper and lower insulators respectively, two operators are required to plug the end mounting holes of the insulators at different positions with the wrist arms on the pillar. A large number of people are used in the installation process, the operation time is long, and the degree of automation is not high. Since the flat wrist arm and the oblique wrist arm are rotatably connected through the bushing seat, when the flat wrist arm is plugged into one end of the upper insulator, the oblique wrist arm that has been plugged into the lower insulator is generally pulled out slightly to provide a larger aligning installation space for the flat wrist arm. At this time, if the force of plugging and pulling out the oblique wrist arm is not well controlled, the oblique wrist arm may easily be separated from the lower insulator, and in most installation methods, it is not easy to install the wrist arm support synchronously with the flat wrist arm and the oblique wrist arm. Summary of the Invention

[0004] The object of the present invention is to provide a railway contact network arm installation device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A railway contact network arm installation device, comprising:

[0007] The hanging basket is fixed to the mechanical arm of the external climbing crane;

[0008] The arc-shaped beam is slidably connected to the middle of the hanging basket, and the two sides of the arc-shaped beam are respectively fixed with a carrier plate 1 and a carrier plate 2;

[0009] Two motors, both fixed on the outside of the hanging basket, are used to drive the curved beam to rotate;

[0010] Two motors 2 are both fixed to the carrier plate 1, and a toggle rod is fixed to the output end of the motor 2;

[0011] An anti-slip component is sleeved on one end of the lower insulator mounting hole, the anti-slip component includes an interface tube, one end of the interface tube is provided with two clamping plates each sleeved on the lower insulator;

[0012] Multiple limiting rings, detachably sleeved on the outside of the wrist arm;

[0013] A torsion mechanism is used to drive the flat arm or the oblique arm to rotate, and the torsion mechanism includes a support seat, the top of the support seat is engaged and rotated with an arc block, the top of the arc block is provided with a second electric push rod, and the output end of the second electric push rod is fixed with a second splint;

[0014] The shifting mechanism is arranged on the top of the second carrier plate and is used to adjust the position of the torsion mechanism.

[0015] Furthermore, the transposition mechanism includes:

[0016] There are two upright posts, both of which are fixedly connected to the second carrier plate;

[0017] Motor 4 is fixed on the top of carrier plate 2. Motor 4 is a dual-axis motor. Both output ends of Motor 4 are fixed with winding wheels, and a rope is fixed around the outer side of the winding wheels.

[0018] There are two swing arms, each of which is rotatably connected to a column at a corresponding position, and one end of the swing arm is fixed to a rope at a corresponding position.

[0019] Furthermore, a second gear rotates inside the support seat, and a second arc-shaped rack meshing with the second gear is fixed on the outer side of the arc block.

[0020] Furthermore, a motor 3 for driving the gear 2 to rotate is fixed on the outer side of the support seat, and the arc block is rotatably engaged with the support seat.

[0021] Furthermore, the torsion mechanism further includes two telescopic parts, the telescopic part includes a sleeve fixed to the arc block, and a sliding rod fixed to the second electric push rod at the corresponding position is slidably engaged inside the sleeve.

[0022] Furthermore, the limiting ring includes two semicircular ring blocks hinged to each other, and one end of the two semicircular ring blocks is screwed and fixed by bolts.

[0023] Furthermore, a notch is provided in the middle of the arc-shaped beam, and two arc-shaped racks are fixed on the inner ring side of the arc-shaped beam.

[0024] Furthermore, a gear 1 is fixed to the output end of the motor 1, and the gear 1 is meshed with an arc-shaped rack 1 at a corresponding position for transmission.

[0025] Furthermore, two guide rails are fixed on the inner side of the hanging basket, and slide rails are fixed on both sides of the arc beam, which are respectively slidably engaged with the guide rails at corresponding positions.

[0026] Further, two electric push rods are fixed on the top surface of the carrier plate, the output end of the electric push rod is fixed with a limit plate, and the top surface of the carrier plate is rotatably connected to a rubber wheel.

[0027] Compared with the prior art, the present invention has the following beneficial effects:

[0028] 1. By respectively sleeve-fitting the limit rings at both ends of the wrist arm support to the installation positions on the flat wrist arm and the oblique wrist arm, and then placing the wrist arm as a whole into the notch of the arc beam, the external climbing crane mechanical arm hoists the hanging basket to one side of the insulator on the pillar, so that the carrier plate 1 lifts the lower insulator horizontally, and the output ends of the two electric push rods 1 move with the two limit plates to facilitate the adjustment of the mounting hole of the lower insulator to the direction of the oblique wrist arm. The motor 2 at the right end of the carrier plate 1 drives the toggle rod to rotate, and the toggle rod pushes the entire wrist arm toward the pillar through the wrist arm support, so that the oblique wrist arm is automatically inserted into the mounting hole of the lower insulator, eliminating the need for manual insertion of the oblique wrist arm into the lower insulator, which is beneficial to improving the installation efficiency of the oblique wrist arm.

[0029] 2. The motor drives the gear to rotate so that the gear drives the arc rack to mesh upward for transmission, thereby causing the hinge position of the insulator below the arc beam and the pillar to rotate in a circle toward the upper left as the axis. The arc beam drives the wrist arm to rotate upward as a whole, causing the flat wrist arm to move toward the mounting hole of the upper insulator. Only one operator is required on the pillar to support the upper insulator so that its mounting hole is aligned with the flat wrist arm. The motor 2 on the left side of the carrier plate rotates with the toggle rod so that the wrist arm support drives the entire wrist arm to move slightly away from the pillar, thereby reserving sufficient calibration docking space between the flat wrist arm and the mounting hole of the upper insulator. After the operator confirms that the flat wrist arm is inserted into the mounting hole of the upper insulator, the motor 2 on the right side of the carrier plate drives the entire wrist arm to move toward the two insulators through the toggle rod again. At the same time, the motor 1 drives the arc beam to move the entire wrist arm slightly upward, so that the flat wrist arm and the oblique wrist arm can be automatically inserted and installed into the insulators at different positions, eliminating the need for multiple people to install the wrist arm on the pillar, further improving the installation efficiency of the wrist arm.

[0030] 3. By pre-fitting two clamps on one end of the mounting hole of the lower insulator, the two clamps connect and fix the interface tube to the open end of the mounting hole, thereby extending the length of the mounting hole. When the oblique wrist arm is slightly pulled out, the oblique wrist arm can be effectively prevented from being separated from the lower insulator. At the same time, the end of the oblique wrist arm can be pulled outward to the inside of the interface tube, providing a larger calibration space for the flat wrist arm to be aligned with the mounting hole of the upper insulator. The open end of the interface tube is designed to be trumpet-shaped, which facilitates the oblique wrist arm to be easily plugged into the interface tube, and then the interface tube is plugged into the inside of the lower insulator.

[0031] 4. By pre-loosening the nuts on the limit clamps at both ends of the wrist arm support and the nuts on the sleeve seat, the oblique wrist arm can be rotated on the limit ring at the bottom of the wrist arm support, and the flat wrist arm can be rotated between the limit ring at the top of the wrist arm support and the sleeve seat. When the flat wrist arm or the oblique wrist arm is inserted into the mounting hole of the insulator at the corresponding position, the output ends of the two electric push rods can be clamped with the clamping plate two to fix the flat wrist arm or the oblique wrist arm, and then the motor three drives the arc block to rotate back and forth so that the two electric push rods can rotate in a small range with the clamped flat wrist arm or oblique wrist arm. The rotating flat wrist arm or oblique wrist arm can be easily inserted into the mounting hole. At the same time, by rotating the flat wrist arm or oblique wrist arm, the pin hole on the insulator mounting hole can be made to correspond to the hole groove on the wrist arm, which is convenient for the later operator to use the pin shaft to initially fix the wrist arm and the insulator.

[0032] 5. By pre-installing the wrist arm loose parts wrist arm support on the wrist arm, and then after the wrist arm and insulator are installed, there is no need to install loose parts on the wrist arm again, which is conducive to improving the integrity and continuity of the wrist arm installation. In addition, the wrist arm support can cooperate with the toggle rod to move the position of the entire wrist arm during the installation process, so as to give full play to the role of the loose parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0034] Figure 2 This is a schematic diagram of the cantilever structure of the arc beam rotation installation in the present invention;

[0035] Figure 3 This is a structural diagram of the hanging basket and motor in the present invention;

[0036] Figure 4 This is a schematic diagram of the structure of the insulator and the anti-dropping member in the present invention;

[0037] Figure 5 This is a schematic diagram of the top structure of the carrier board in the present invention;

[0038] Figure 6 This is a schematic structural diagram of the torsion mechanism in the present invention in a rotation and transposition state;

[0039] Figure 7 It is a schematic structural diagram of the torsion mechanism and the transposition mechanism in the present invention;

[0040] Figure 8 It is a schematic diagram of the overall structure of the support and arm in the present invention.

[0041] In the figure: 100, hanging basket; 110, guide rail; 200, curved beam; 210, carrier plate 1; 211, electric push rod 1; 2111, limit plate; 212, rubber wheel; 220, carrier plate 2; 230, notch; 300, motor 1; 310, gear 1; 400, motor 2; 410, toggle rod; 500, anti-slip part; 510, interface tube; 520, splint 1; 530, collar; 531, roller; 600, limit ring; 700, torsion mechanism; 710, support seat; 711, gear 2; 712, motor 3; 720, curved block; 730, telescopic member; 740, electric push rod 2; 741, splint 2; 800, shifting mechanism; 810, column; 820, motor 4; 830, swing arm. DETAILED DESCRIPTION

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0043] For example 1, please refer to Figure 1 - Figure 8 In an embodiment of the present invention, a railway contact network arm installation equipment includes a hanging basket 100 fixed to an external climbing crane mechanical arm, a curved beam 200 is slidably connected to the middle of the hanging basket 100, and a carrier plate 1 210 and a carrier plate 2 220 are fixed on both sides of the curved beam 200, and a motor 1 300 for driving the curved beam 200 to rotate is fixed on both sides of the hanging basket 100, two motors 2 400 are fixed on the top surface of the carrier plate 1 210, and a toggle rod 410 is fixed to the output end of the motor 2 400, and one end of the lower insulator mounting hole is detachably sleeved and fixed with an anti-slip component 500, and the anti-slip component 500 includes an interface tube 510, and one end of the interface tube 510 is provided with Two clamping plates 520 are both connected to the lower insulator, and two limit rings 600 are detachably fixed to the positions of the flat arm and the oblique arm near the end of the arm support. The limit rings 600 can prevent the arm support from moving. The top of the carrier plate 220 is provided with a torsion mechanism 700 for driving the flat arm or the oblique arm to rotate. The torsion mechanism 700 includes a support seat 710, and the top of the support seat 710 is engaged and rotated with an arc block 720. The top of the arc block 720 is provided with an electric push rod 2 740, and the output end of the electric push rod 2 740 is fixed with a clamping plate 2 741. The top of the carrier plate 220 is installed with a switching mechanism 800 for adjusting the position of the torsion mechanism 700.

[0044] Specifically, a curved beam 200 capable of placing the entire arm is slidably connected in the hanging basket 100. In the initial state, the arm on the hanging basket 100 is hoisted to the installation station by the mechanical arm of the external climbing tram. The motor 2 400 is used to rotate the toggle rod 410 to automatically insert the oblique arm into the installation hole of the lower insulator. The motor 1 300 is used to drive the curved beam 200 to rotate upward with the hinge position of the lower insulator and the support as the center of the circle, so that the curved beam 200 moves the flat arm to the installation hole position of the upper insulator, and the toggle rod 410 is driven again. 410 moves the entire wrist arm slightly away from the support, so that there is enough space between the flat wrist arm and the upper insulator to calibrate the insertion position. During the process of inserting the flat wrist arm into the upper insulator, the arc beam 200 can simultaneously adjust the installation angle of the entire wrist arm slightly upward, so that the flat wrist arm can also be inserted into the installation hole while the oblique wrist arm is inserted into the installation hole. Finally, the entire wrist arm is pushed toward the support again by toggling the rod 410 to automatically install the wrist arm between the two insulators, which is beneficial to improving the efficiency of wrist arm installation.

[0045] like Figure 2 and Figure 3 As shown, in this embodiment, two guide rails 110 are fixed on the inner side of the hanging basket 100, and sliding rails are fixed on both sides of the curved beam 200, which are respectively slidably engaged with the guide rails 110 at corresponding positions, so that the curved beam 200 can rotate smoothly along the curved track inside the hanging basket 100.

[0046] like Figure 5 As shown, in this embodiment, two electric push rods 211 are fixed to the top surface of the carrier plate 210, and a limit plate 2111 is fixed to the output end of the electric push rod 211. After the lower insulator is placed on the top surface of the carrier plate 210, the two electric push rods 211 are used to move the two limit plates 2111 closer to each other, so as to facilitate the adjustment of the lower insulator to the vertical pillar state, and facilitate the correspondence between the mounting hole on the lower insulator and the end of the oblique arm. The top surface of the carrier plate 210 is rotatably connected to the rubber wheel 212, so that the oblique arm can move smoothly toward the pillar direction on the arc beam 200.

[0047] like Figure 7 As shown, in this embodiment, the torsion mechanism 700 also includes two telescopic parts 730, and the telescopic part 730 includes a sleeve fixed to the arc block 720. The inside of the sleeve is slidably connected to a sliding rod fixed to the corresponding position electric push rod 2 740, so that after the wrist arm is clamped and fixed by using two clamps 2 741, the wrist arm can also move toward the support direction while being clamped and fixed, and at this time the sliding rod slides out inside the sleeve.

[0048] like Figure 6As shown, in this embodiment, the limit ring 600 includes two semicircular ring blocks hinged to each other, and one end of the two semicircular ring blocks is screwed and fixed by bolts. In the initial state, the limit ring 600 is fixed on the wrist arm, and the two adjacent limit rings 600 can limit the loose limit clamp position, so that even if the end of the wrist arm support is not fixed to the wrist arm with a limit clamp, the two ends of the wrist arm support can be restrained at the installation position of the wrist arm through the limit ring 600. After the wrist arm is installed on the insulator in the later stage, the limit clamp is tightened to fix the wrist arm support on the wrist arm, and the auxiliary mounting part limit ring 600 is removed at the same time.

[0049] like Figure 7 As shown, in this embodiment, gear 2 711 rotates inside the support base 710, arc-shaped rack 2 that meshes with gear 2 711 is fixed on the outside of the arc block 720, motor 3 712 for driving gear 2 711 to rotate is fixed on the outside of the support base 710, and the arc block 720 is rotatably engaged with the support base 710.

[0050] In this embodiment, the output end of motor three 712 drives gear two 711 to rotate, causing gear two 711 to rotate the arc block 720, thereby causing the arc block 720 to rotate with the two telescopic parts 730 around the axis of the oblique arm or the flat arm, thereby realizing the rotation of the oblique arm or the flat arm on the telescopic part 730 with the help of the limiting splint two 741.

[0051] like Figure 5 and Figure 6 As shown, in this embodiment, a notch 230 is provided in the middle of the arc-shaped beam 200, and the notch 230 facilitates the placement of the entire arm into the interior of the hanging basket 100 in a vertical installation posture. Two arc-shaped racks 1 are fixed to the inner ring side of the arc-shaped beam 200, and a gear 1 310 is fixed to the output end of the motor 1 300. The gear 1 310 is engaged with the arc-shaped rack 1 at the corresponding position for transmission. Among them, the motor 1 300 is a reduction motor, and the arc-shaped rack 1 is engaged with the gear 1 310 on the reduction motor for transmission, which can drive the entire arc-shaped beam 200 to rotate in an arc-shaped trajectory inside the hanging basket 100.

[0052] like Figure 4 As shown, in this embodiment, a pin hole is opened on the outside of the mounting hole of the insulator, which facilitates the initial limiting fixation of the insulator and the wrist arm using the pin shaft. In addition, the diameter of the mounting hole at the end of the insulator is larger than the diameter of the flat wrist arm and the oblique wrist arm, so that after the oblique wrist arm is inserted into the mounting hole of the lower insulator, the mounting hole of the upper insulator can be easily plugged and fixed with the flat wrist arm. This part of the content is the existing technology of the wrist arm and insulator structure, and the specific related structure will not be described in detail.

[0053] In this embodiment, during the specific installation of the entire wrist arm, because the flat wrist arm and the oblique wrist arm are fixed into a triangular structure by the wrist arm support combination, the upper insulator and the pillar fixing parts that have been pre-fixed on the pillar can be loosened in advance, that is, the upper insulator can be adjusted in height along the pillar on the pillar, which makes it easier to insert the flat wrist arm into the upper insulator when the oblique wrist arm has been inserted into the lower insulator. Finally, if the height of the entire wrist arm needs to be adjusted, similarly, the fixing parts on the lower insulator can be loosened, and then the upper and lower insulators can be slightly adjusted in height along the pillar with the entire wrist arm, and finally the final position of the insulator can be fixed to the pillar using the existing technology fixing parts, so that the entire wrist arm is in the best installation position. The installation of the insulator and the pillar through the fixing parts is the existing technology, and the specific installation principle will not be described in detail.

[0054] like Figure 1 and Figure 4 As shown, in this embodiment, one end of the interface tube 510 on the anti-slip component 500 is fixed to one of the clamps 520, so that after the two clamps 520 are clamped and fixed to the ends of the insulator by bolts, the interface tube 510 can be fixed to one end of the mounting hole to prevent the oblique arm from detaching from the lower insulator when the oblique arm is pulled out.

[0055] In this embodiment, a ring 530 is fixed on the outside of the interface tube 510, and a roller 531 is rotatable on the outside of the ring 530. The roller 531 can be supported between the lower insulator and the carrier plate 210, effectively preventing the lower insulator from colliding with the carrier plate 210 and protecting the porcelain bottle of the lower insulator. The roller 531 can roll on the surface of the carrier plate 210 to reduce the resistance when adjusting the position of the lower insulator.

[0056] like Figure 5 As shown, in this embodiment, the two motors 400 are staggeredly arranged on the top surfaces of both sides of the carrier plate 210. When the wrist arm is placed on the carrier plate 210, the motor 400 on the carrier plate 210 can be rotated with the toggle rod 410 in the direction indicated by the arrow in the figure to a direction parallel to the wrist arm, so as to avoid the toggle rod 410 interfering with the placement of the wrist arm on the carrier plate 210. After the wrist arm is placed, the two toggle rods 410 are rotated to the positions on both sides of the wrist arm support, so as to facilitate the toggle rod 410 to adjust the position of the entire wrist arm through the wrist arm support later. Sufficient space is reserved between the inner ring side of the arc beam 200 and the adjacent motor 2 400, and this space allows the toggle rod 410 to rotate in the direction of the arc beam 200 without interference.

[0057] Embodiment 2, based on embodiment 1, in order to enable the torsion mechanism 700 to move to different positions, the oblique arm and the flat arm are rotated slightly in sequence.

[0058] like Figure 6 and Figure 7As shown, in this embodiment, the shifting mechanism 800 includes two columns 810 that are fixedly connected to the second carrier plate 220, and also includes a fourth motor 820 fixed to the top of the second carrier plate 220. The fourth motor 820 is a dual-axis motor. The two output ends of the fourth motor 820 are fixed with winding wheels, and a rope is fixed to the outside of the winding wheel. A swing arm 830 is rotatably connected between the two columns 810, and one end of the swing arm 830 is fixed to the rope at the corresponding position.

[0059] In this embodiment, in the initial state, refer to Figure 7 At this time, the two second clamping plates 741 are arranged on both sides of the oblique arm, which facilitates the rotation of the torsion mechanism 700 with the oblique arm. When the torsion mechanism 700 needs to rotate with the flat arm, the motor 4 820 can be driven by the two winding wheels to rotate the reel rope, and the rope pulls the two swing arms 830 downward. The swing arms 830 drive the support seat 710 to rotate upward with the top of the column 810 as the axis, thereby achieving Figure 6 In the middle state, the two second clamping plates 741 are arranged on both sides of the flat arm, so that the torsion mechanism 700 can be used again to drive the flat arm to rotate.

[0060] In the present invention, reference is made to Figure 8 After using the installation equipment of the present application to position and install the entire wrist arm on the two insulators, the clamp fixing parts can be installed again between the insulator and the wrist arm, and the nuts on the limit clamps at both ends of the wrist arm support can be tightened to fix the wrist arm support, and the nuts on the sleeve seat can be tightened to fix the sleeve seat and the wrist arm. The relevant clamping structure and sleeve seat structure are both existing technical components, and the specific fixing principle will not be described in detail. Of course, other fixed connectors in the field can also be used to connect and fix the wrist arm and related loose parts. The relevant connector disclosed in this application is only a commonly used one.

[0061] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0062] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A railway contact network arm installation equipment, characterized in that: include: The hanging basket (100) is fixed to the mechanical arm of the external climbing crane; The arc-shaped beam (200) is slidably connected to the middle of the hanging basket (100), and a carrier plate 1 (210) and a carrier plate 2 (220) are fixed on both sides of the arc-shaped beam (200); Two motors (300), both fixed to the outside of the hanging basket (100), are used to drive the curved beam (200) to rotate; Two second motors (400) are fixed to the first carrier plate (210), and a toggle rod (410) is fixed to the output end of the second motor (400); An anti-slip member (500) is sleeved on one end of the lower insulator mounting hole. The anti-slip member (500) includes an interface tube (510). One end of the interface tube (510) is provided with two clamping plates (520) both sleeved on the lower insulator. A plurality of limiting rings (600) are detachably sleeved on the outside of the wrist arm; The torsion mechanism (700) is used to drive the flat arm or the oblique arm to rotate. The torsion mechanism (700) includes a support seat (710). The top of the support seat (710) is engaged with an arc block (720) for rotation. The top of the arc block (720) is provided with a second electric push rod (740). The output end of the second electric push rod (740) is fixed with a second clamping plate (741). The shifting mechanism (800) is arranged on the top of the second carrier plate (220) and is used to adjust the position of the torsion mechanism (700).

2. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: Two guide rails (110) are fixed on the inner side of the hanging basket (100), and slide rails are fixed on both sides of the arc beam (200) and are respectively slidably engaged with the guide rails (110) at corresponding positions.

3. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: Two electric push rods (211) are fixed on the top surface of the carrier plate (210), and a limit plate (2111) is fixed on the output end of the electric push rod (211). The top surface of the carrier plate (210) is rotatably connected to a rubber wheel (212).

4. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: The transposition mechanism (800) comprises: There are two upright posts (810), both of which are fixedly connected to the second carrier plate (220); Motor 4 (820) is fixed on the top of carrier plate 2 (220). Motor 4 (820) is a dual-axis motor. Both output ends of motor 4 (820) are fixed with winding wheels, and a rope is fixed around the outer side of the winding wheel. There are two swing arms (830), which are rotatably connected to the upright posts (810) at corresponding positions, and one end of the swing arm (830) is fixed to a rope at a corresponding position.

5. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: The torsion mechanism (700) further comprises two telescopic members (730), wherein the telescopic member (730) comprises a sleeve fixed to the arc block (720), wherein a sliding rod fixed to the corresponding position electric push rod 2 (740) is slidably engaged inside the sleeve.

6. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: The limiting ring (600) comprises two semicircular ring blocks hinged to each other, and one end of the two semicircular ring blocks is screwed and fixed by bolts.

7. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: A second gear (711) is rotated inside the support seat (710), and an arc-shaped rack (2) is fixed on the outside of the arc-shaped block (720) and is meshed with the second gear (711) for transmission.

8. The railway overhead contact network arm installation equipment according to claim 7, characterized in that: A motor 3 (712) for driving the gear 2 (711) to rotate is fixed to the outer side of the support seat (710), and the arc block (720) is rotatably engaged with the support seat (710).

9. The railway overhead contact network arm installation equipment according to claim 1, characterized in that: A notch (230) is provided in the middle of the arc-shaped beam (200), and two arc-shaped racks are fixed on the inner ring side of the arc-shaped beam (200).

10. The railway overhead contact network arm installation equipment according to claim 9, characterized in that: The output end of the motor 1 (300) is fixed with a gear 1 (310), and the gear 1 (310) is meshed with the arc-shaped rack 1 at the corresponding position for transmission.

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