Multi-functional catenary maintenance vehicle

Abstract

The utility model discloses a kind of multifunctional catenary maintenance vehicles, belong to catenary maintenance technical field, the multifunctional catenary maintenance vehicle includes engineering vehicle;Slip mechanism, can be slidably installed on engineering vehicle along first direction;Cleaning mechanism, detachably installed on engineering vehicle;Polishing mechanism, detachably installed on slip mechanism, and with cleaning mechanism along first direction interval arrangement;Measuring mechanism, can be movably installed on slip mechanism along second direction, first direction and second direction are perpendicular to each other and set, measuring mechanism is used to measure the profile curve of the lower surface of contact line;Controller, set in engineering vehicle, and with slip mechanism, cleaning mechanism, polishing mechanism and measuring mechanism electric connection.Therefore, by cleaning mechanism, polishing mechanism and measuring mechanism are set on the same engineering operation, realize one car multiuse, to improve catenary operation and maintenance efficiency, reduce manual labor intensity, while reducing equipment investment cost.

Description

Technical Field

[0001] This utility model belongs to the field of overhead contact line maintenance technology, specifically relating to a multi-functional overhead contact line maintenance vehicle. Background Technology

[0002] In urban rail transit and railway power supply systems, rigid contact wires and insulators are crucial components for ensuring power supply reliability and train operation safety. However, in the daily operation and maintenance of most urban subways, the maintenance of these two types of components still relies on manual labor.

[0003] For contact wires, due to the long-term friction and arcing of the pantograph, their surface is prone to defects such as ripples, hard spots, and burns. Current methods mostly involve manually shutting off the power, climbing to a height, and using sandpaper, hand-held grinders, and other tools to polish the surface of the contact wire. This method suffers from high labor intensity, low work efficiency, and uneven surface treatment. Furthermore, because manual polishing relies on operator experience, the repair quality is difficult to guarantee.

[0004] Insulators are susceptible to contamination from dust, moisture, and oil in the air during operation, which can easily form a layer of dirt on their surface and lead to flashover accidents. Currently, most subway lines still rely on manual cleaning, where workers climb to heights and wipe the insulators with cloths or cleaning agents during power outages. This method is not only time-consuming and labor-intensive, but the cleaning effect is also greatly affected by human factors, resulting in incomplete cleaning and high operational safety risks.

[0005] In recent years, some technical solutions have proposed automated contact wire grinding devices or insulator cleaning devices. For example, automatic belt sanders are used to repair contact wires, or dry ice blasting is used to clean insulators. These solutions have shown good results in experiments and small-scale applications, but currently they are mostly single-function, independent equipment, and a mature solution for integrated operation on the same engineering vehicle platform has not yet been formed. The existing operation and maintenance model still involves contact wire grinding and insulator cleaning being carried out in different ways and in different batches, resulting in low overall operation and maintenance efficiency, high labor costs, and complex construction organization. Utility Model Content

[0006] The purpose of this utility model is to address the aforementioned shortcomings in the prior art by providing a multi-functional overhead contact line maintenance vehicle, thereby solving the technical problem of low maintenance efficiency of existing overhead contact line maintenance equipment.

[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0008] A multi-functional overhead contact line maintenance vehicle includes:

[0009] Engineering work vehicles;

[0010] A sliding mechanism is slidably mounted on the engineering work vehicle along a first direction;

[0011] The cleaning mechanism is detachably mounted on the engineering work vehicle;

[0012] The grinding mechanism is detachably mounted on the sliding mechanism and is spaced apart from the cleaning mechanism along the first direction;

[0013] A measuring mechanism is movable and mounted on the sliding mechanism along a second direction, wherein the first direction and the second direction are perpendicular to each other, and the measuring mechanism is used to measure the contour curve of the lower surface of the contact line;

[0014] The controller is installed inside the engineering work vehicle and is electrically connected to the sliding mechanism, the cleaning mechanism, the grinding mechanism and the measuring mechanism.

[0015] With the above structure, when using the multi-functional contact network maintenance vehicle provided by this utility model, the engineering work vehicle is first driven to the insulator that needs maintenance. Then, the controller drives the cleaning structure to spray cleaning fluid onto the surface of the insulator to clean it. At the same time, the grinding mechanism and the measuring mechanism move to the contact wire to be maintained, so that the tops of the grinding mechanism and the measuring mechanism are in contact with it. Then, the controller controls the grinding mechanism to grind the surface of the contact wire for defects such as corrugations, hard spots, and burns. The engineering work vehicle continues to move forward, and the measuring mechanism moves synchronously to the grinding position. At the contact line, the grinding mechanism measures the ground contact line to obtain the contour curve of the contact line surface. If the measured contour curve does not meet the requirements, the grinding mechanism is adjusted to grind it again until the contour curve of the contact line surface meets the requirements. The sliding mechanism is set up to achieve back-and-forth grinding of special sections of the contact line. Therefore, by setting the cleaning mechanism, grinding mechanism and measuring mechanism on the same engineering operation, multiple uses of one vehicle are achieved, thereby improving the efficiency of contact network operation and maintenance, reducing the intensity of manual labor, and reducing equipment investment costs.

[0016] Furthermore, the sliding mechanism includes:

[0017] The mounting base plate is fixedly installed on the roof of the engineering work vehicle;

[0018] The guide rails are in the form of two rails, which are respectively installed on opposite sides of the mounting base plate, and the length directions of the two rails are parallel to each other in the first direction.

[0019] The sliding seat has two grooves on one side that are adapted to the guide rails, and the two guide rails are slidably installed in the two grooves.

[0020] A rack is mounted on the mounting base plate and is arranged parallel to each other on the guide rail, with the teeth of the rack arranged along the first direction;

[0021] The gear is rotatably mounted on the side of the sliding seat near the mounting base plate and meshes with the rack;

[0022] A drive unit is installed at the edge of the sliding seat, and the output end of the drive unit is connected to the gear. The drive unit is used to drive the gear to rotate.

[0023] Furthermore, it also includes two lifting mechanisms, namely a first lifting mechanism and a second lifting mechanism. The fixed end of the first lifting mechanism is mounted on the mounting base plate, the grinding mechanism and the measuring mechanism are mounted on the moving end of the first lifting mechanism, the fixed end of the second lifting mechanism is mounted on the engineering work vehicle, and the cleaning mechanism is mounted on the moving end of the second lifting mechanism.

[0024] Furthermore, the measuring mechanism includes:

[0025] The first cylinder consists of two cylinders, with one end of each cylinder hinged to opposite sides of the moving end of the first lifting mechanism.

[0026] There are two guide shafts, both of which can be slidably mounted on the moving end of the first lifting mechanism along the second direction, and the other ends of the two first cylinders are respectively hinged to the two guide shafts;

[0027] The mounting plate is installed at the end of the two guide shafts away from the first lifting mechanism;

[0028] A contact plate is installed on the side of the mounting plate away from the guide shaft;

[0029] A displacement sensor is installed at the moving end of the first lifting mechanism;

[0030] A measuring magnetic ring is mounted on either of the two guide shafts.

[0031] Furthermore, the mounting plate includes:

[0032] A straight plate, wherein the length direction of the straight plate is arranged along a third direction, and the first direction, the second direction, and the third direction are arranged perpendicular to each other in pairs;

[0033] Two curved plates are respectively installed at both ends of the straight plate, and the protruding surface of the curved plate is connected to the side of the straight plate away from the guide shaft.

[0034] Furthermore, the cleaning mechanism includes:

[0035] Two robotic arms are installed on the moving end of the second lifting mechanism.

[0036] There are two nozzles, and the two nozzles are respectively mounted on the two robotic arms;

[0037] An air compressor is installed inside the engineering work vehicle and is electrically connected to the controller;

[0038] A dry ice cleaning machine is installed inside the engineering vehicle and connected to the air compressor. The dry ice cleaning machine is connected to the two nozzles and electrically connected to the controller.

[0039] Furthermore, the polishing mechanism includes:

[0040] A bracket is installed on the moving end of the first lifting mechanism;

[0041] The wheel assembly is rotatably mounted on the bracket;

[0042] Abrasive belts are fitted onto the wheel assembly;

[0043] The dust collection hood has an opening at the top and covers the bracket.

[0044] Furthermore, the number of the polishing mechanisms is three sets, and the three sets of polishing mechanisms are arranged at intervals along the first direction. The sanding belts in the three sets of polishing mechanisms are the first sanding belt, the second sanding belt, and the third sanding belt, respectively. The first sanding belt has the smallest mesh size, and the second and third sanding belts have a larger mesh size than the first sanding belt.

[0045] Furthermore, it also includes a binocular camera mounted on the roof of the engineering vehicle, and the binocular camera is electrically connected to the controller.

[0046] Furthermore, it also includes a contact force protection mechanism, installed between the first lifting mechanism and the grinding mechanism, the contact force protection mechanism being used to provide a constant contact force, the contact force protection mechanism comprising:

[0047] There are multiple guide rods, one end of which is installed on the moving end of the first lifting mechanism, and the other end of which extends along the second direction;

[0048] The second cylinder has its fixed end fixedly installed on the moving end of the first lifting mechanism;

[0049] A connecting plate is slidably mounted on the guide rod and connected to the telescopic end of the second cylinder; the bracket is mounted on the connecting plate.

[0050] A pressure sensor is mounted on the connecting plate and is used to monitor the pressure on the sanding belt.

[0051] The multi-functional overhead contact line maintenance vehicle provided by this utility model has the following beneficial effects:

[0052] 1. By setting up the cleaning mechanism, grinding mechanism, and measuring mechanism on the same engineering vehicle, multiple uses of one vehicle are achieved, thereby improving the efficiency of overhead contact line operation and maintenance, reducing the intensity of manual labor, and reducing equipment investment costs;

[0053] 2. The measurement mechanism facilitates the measurement of the surface of the polished insulator, thereby monitoring whether the polished insulator meets the standards.

[0054] 3. By setting up a dual-mode camera and connecting it to the controller, intelligent identification of the work object is achieved, improving the uniformity and stability of the grinding and cleaning effect;

[0055] 4. By setting up a contact force protection mechanism, it is ensured that the contact force between the sanding belt and the contact line is sufficient to grind the corrugations and hard spots;

[0056] 5. The controller settings facilitate the driving and adjustment of the cleaning mechanism, grinding mechanism, and measuring mechanism, while also achieving the purpose of dynamically adjusting the operating parameters. Attached Figure Description

[0057] Figure 1 A schematic diagram of the structure of the multi-functional overhead contact line maintenance vehicle provided in this embodiment of the utility model;

[0058] Figure 2 This is a schematic diagram of the sliding mechanism provided in an embodiment of the present utility model;

[0059] Figure 3 A schematic diagram of the installation structure of the measuring mechanism and the grinding mechanism provided in the embodiment of this utility model;

[0060] Figure 4 A schematic diagram of the cleaning mechanism provided in an embodiment of this utility model;

[0061] Figure 5 A schematic diagram of the installation structure of the measuring mechanism and the contact force protection mechanism provided in the embodiment of this utility model.

[0062] The attached diagram shows the markings and corresponding component names:

[0063] 1-Engineering work vehicle, 2-Sliding mechanism, 21-Mounting base plate, 22-Guide rail, 23-Sliding seat, 24-Rack, 25-Gear, 26-Drive component, 3-Cleaning mechanism, 31-Mechanical arm, 32-Spray nozzle, 4-Grinding mechanism, 41-Bracket, 42-Wheel set, 43-Sand belt, 44-Dust collection hood, 5-Measuring mechanism, 51-First cylinder, 52-Guide shaft, 53-Mounting plate, 54-Contact plate, 55-Displacement sensor, 56-Measuring magnetic ring, 6-First lifting mechanism, 61-Second lifting mechanism, 7-Binocular camera, 8-Contact force protection mechanism, 81-Guide rod, 82-Second cylinder, 83-Connecting plate, 84-Pressure sensor. Detailed Implementation

[0064] The specific embodiments of this utility model are described below to enable those skilled in the art to understand this utility model. However, it should be understood that this utility model is not limited to the scope of the specific embodiments. For those skilled in the art, as long as various changes are within the spirit and scope of this utility model as defined and determined by the appended claims, these changes are obvious. All utility model creations utilizing the concept of this utility model are within the scope of protection.

[0065] The multi-functional overhead contact line maintenance vehicle provided in this embodiment solves the technical problem of low maintenance efficiency of existing overhead contact line maintenance equipment. This multi-functional overhead contact line maintenance vehicle includes an engineering work vehicle 1, a sliding mechanism 2, a cleaning mechanism 3, a grinding mechanism 4, a measuring mechanism 5, and a controller, wherein:

[0066] refer to Figure 1 The engineering work vehicle 1 can not only serve as a carrier for the cleaning mechanism 3, the grinding mechanism 4, the measuring mechanism 5, and the controller, but also can move along the contact network to facilitate the maintenance of the contact network. In this embodiment, the engineering work vehicle 1 adopts a conventional line maintenance work vehicle, which is a conventional technology in this field, so its specific working principle and connection relationship will not be described in detail.

[0067] The sliding mechanism 2 can be slidably installed on the engineering work vehicle 1 along the first direction, which is the extension direction of the contact wire. The sliding mechanism 2 facilitates the adjustment of its position relative to the contact wire.

[0068] The cleaning mechanism 3 can be detachably installed on the engineering vehicle 1. The cleaning mechanism 3 facilitates the cleaning of dust, moisture and oil on the insulators, reducing the occurrence of flashover accidents.

[0069] The grinding mechanism 4 is detachably mounted on the sliding mechanism 2 and is spaced apart from the cleaning mechanism 3 along the first direction. In this way, the grinding mechanism 4 facilitates the grinding of corrugations and hard spots on the contact line.

[0070] The measuring mechanism 5 can be moved along the second direction and installed on the sliding mechanism 2. The first direction and the second direction are set perpendicular to each other. The measuring mechanism 5 is used to measure the contour curve of the lower surface of the contact line. In this way, the setting of the measuring mechanism 5 makes it easy to measure the contact line after grinding to monitor whether the surface of the contact line after grinding meets the standard. At the same time, before grinding the contact line, the working section can be measured by the measuring mechanism 5 to facilitate the formulation of a grinding plan based on the measurement results.

[0071] The controller is installed inside the engineering work vehicle 1 and is electrically connected to the sliding mechanism 2, the cleaning mechanism 3, the grinding mechanism 4 and the measuring mechanism 5. In this way, the controller facilitates the control of the sliding mechanism 2, the cleaning mechanism 3, the grinding mechanism 4 and the measuring mechanism 5.

[0072] refer to Figure 2 The sliding mechanism 2 includes a mounting base 21, a guide rail 22, a sliding seat 23, a rack 24, a gear 25, and a driving component 26, wherein:

[0073] The mounting base plate 21 is fixedly installed on the roof of the engineering work vehicle 1. The mounting base plate 21 is a rectangular plate, and the length direction of the mounting base plate 21 is parallel to the first direction.

[0074] There are two guide rails 22, which are respectively installed on opposite sides of the mounting base plate 21, and the length direction of the two guide rails 22 is parallel to the first direction.

[0075] Two grooves adapted to the guide rails 22 are provided on one side of the sliding seat 23. The two guide rails 22 are slidably installed in the two grooves. In this way, the sliding seat 23 is installed more stably by setting the two guide rails 22. The slidably installed sliding seat 23 is easy to drive the sliding seat 23 to move in the first direction.

[0076] Optionally, the cross-section of the guide rail 22 is I-shaped, and the cross-section of the slide groove is also I-shaped. In this way, the sliding seat 23 can be installed more stably by setting the guide rail 22 in an I-shape.

[0077] The rack 24 is mounted on the mounting base plate 21 and is arranged parallel to each other with the guide rail 22. The teeth of the rack 24 are arranged along the first direction. Optionally, the rack 24 is mounted on the side closer to either guide rail 22, and the teeth of the rack 24 are located on the side away from the guide rail 22.

[0078] The gear 25 is rotatably mounted on the side of the pulley near the mounting base 21 and meshes with the rack 24. Thus, by rotating the gear 25, the gear 25 moves on the rack 24, thereby driving the sliding seat 23 to reciprocate synchronously in the first direction.

[0079] The drive component 26 is installed at the edge of the sliding seat 23, and the output end of the drive component 26 is connected to the gear 25. The drive component 26 is used to drive the gear 25 to rotate. Thus, the drive component 26 facilitates the rotation of the gear 25.

[0080] Optionally, the drive component 26 is a motor, and the motor shaft is connected to the gear 25. In this way, by choosing a motor as the power source, the motor can provide stable rotational power and is easy to control.

[0081] refer to Figure 1 It also includes two lifting mechanisms: a first lifting mechanism 6 and a second lifting mechanism 61. The fixed end of the first lifting mechanism 6 is mounted on the mounting base plate 21, and the grinding mechanism 4 and the measuring mechanism 5 are mounted on the moving end of the first lifting mechanism 6. The fixed end of the second lifting mechanism 61 is mounted on the engineering work vehicle 1, and the cleaning mechanism 3 is mounted on the moving end of the second lifting mechanism 61. In this way, the lifting mechanism facilitates the driving of the grinding mechanism 4 and the measuring mechanism 5 to come into contact with the contact line. At the same time, after the maintenance work is completed, the grinding mechanism 4 and the measuring mechanism 5 can be retracted by driving the lifting mechanism 6, making it easier for the engineering work vehicle 1 to leave the site.

[0082] Optionally, both the first lifting mechanism 6 and the second lifting mechanism 61 are scissor lift platforms. Scissor lift platforms have a large load-bearing capacity, stable operation, compact structure, high safety, and strong applicability.

[0083] refer to Figure 5 The measuring mechanism 5 includes a first cylinder 51, a guide shaft 52, a mounting plate 53, a contact plate 54, a displacement sensor 55, and a measuring magnetic ring 56, wherein:

[0084] There are two first cylinders 51. One end of each first cylinder 51 is hinged to the opposite sides of the moving end of the first lifting mechanism 6. Specifically, a plate is installed on the upper panel of the first lifting mechanism 6, and one end of each first cylinder 51 is hinged to the opposite sides of the plate. The cylinder has a simple and compact structure and is easy to install.

[0085] There are two guide shafts 52. Both guide shafts 52 can be slidably installed on the moving end of the first lifting mechanism 6 along the second direction. The other ends of the two first cylinders 51 are respectively hinged to the two guide shafts 52. Specifically, the plate has two through holes, and the two guide shafts 52 are slidably inserted into the two through holes. In this way, when the pressure on the first cylinder 51 is greater than the pressure inside the first cylinder 51, the first cylinder 51 contracts, and at the same time drives the guide shafts 52 hinged to the first cylinder 51 to slide downward.

[0086] Mounting plate 53 is installed at the end of the two guide shafts 52 away from the first lifting mechanism 6.

[0087] Optionally, the mounting plate 53 includes a straight plate and a curved plate, wherein:

[0088] The length of the straight plate is set along the third direction, and the first direction, the second direction, and the third direction are set perpendicular to each other in pairs. In this way, the straight plate is connected to the guide shaft 52, which facilitates installation.

[0089] There are two curved plates, which are fixedly installed at both ends of the straight plate. The protruding surface of the curved plate is connected to the side of the straight plate away from the guide shaft 52. Optionally, the curved plates can be connected to both ends of the straight plate by welding or hot melting. Of course, they can also be integrally formed. In this way, the setting of the curved plates facilitates the installation of the contact plate 54.

[0090] The contact plate 54 is mounted on the side of the mounting plate 53 away from the guide shaft 52. Optionally, the contact plate 54 can be detachably mounted on the mounting plate 53, which makes it easier to replace the contact plate 54. When the measuring mechanism 5 is working, the contact plate 54 abuts against the contact wire. Optionally, the contact plate 54 is a structural component made of wear-resistant material to reduce the probability of measurement deviation caused by wear of the contact plate 54.

[0091] The displacement sensor 55 is installed on the moving end of the first lifting mechanism 6.

[0092] The measuring magnetic ring 56 is fixedly installed on either of the two guide shafts 52. Specifically, the displacement sensor 55 and the measuring magnetic ring 56 are located on the same straight line. The guide shaft 52 on which the measuring magnetic ring 56 is located is set as the first guide shaft 52, and the through hole for installing the first guide shaft 52 is called the first through hole. The inner diameter of the first through hole is larger than the outer diameter of the measuring magnetic ring 56. This makes it easier for the measuring magnetic ring 56 to record the vertical distance between itself and the displacement sensor 55.

[0093] With the above structure, when the measuring mechanism 5 is working, the contact plate 54 abuts against the contact line. At this time, the pressure on the contact plate 54 is balanced with the pressure in the first cylinder 51. When the contact plate 54 contacts the un-ground corrugations and hard spots on the contact line, the pressure on the contact plate 54 increases, and the first cylinder 51 is compressed, causing the guide shaft 52 hinged to the first cylinder 51 to move downward synchronously. This drives the measuring magnetic ring 56 mounted on the guide shaft 52 to move downward synchronously, thereby reducing the distance between the measuring magnetic ring 56 and the displacement sensor 55. 4. Continuing to move forward, after the contact plate 54 separates from the un-ground corrugations and hard spots on the contact line, the pressure on the contact plate 54 decreases, and the pressure on the first cylinder 51 decreases synchronously. The first cylinder 51 extends, causing the guide shaft 52 hinged to the first cylinder 51 to move upward synchronously, thereby driving the measuring magnetic ring 56 mounted on the guide shaft 52 to move upward synchronously, thus increasing the distance between the measuring magnetic ring 56 and the displacement sensor 55. In this way, the controller records the displacement of the measuring magnetic ring 56 at each time point, thereby obtaining the contour curve of the contact line surface.

[0094] refer to Figure 4 The cleaning mechanism 3 includes a robotic arm 31, a nozzle 32, an air compressor, and a dry ice cleaning machine, wherein:

[0095] There are two robotic arms 31, which are installed on the moving end of the second lifting mechanism 61 and are arranged opposite to each other. Both robotic arms 31 are six-axis robotic arms 31. The six-axis robotic arms 31 have a large degree of freedom and are easy to adjust. The use of two robotic arms 31 to clean both sides of the same insulator simultaneously and symmetrically improves the cleaning efficiency.

[0096] There are two nozzles 32, which are respectively mounted on two robotic arms 31. Optionally, the nozzles 32 are fan-shaped, which allows them to cover the entire insulator and improve cleaning efficiency.

[0097] The air compressor is installed inside the engineering work vehicle 1 and is electrically connected to the controller.

[0098] The dry ice cleaning machine is installed inside the engineering vehicle 1 and is connected to the air compressor through the air inlet pipe. The dry ice cleaning machine is connected to two nozzles 32 through the ice spray pipe. That is, the two ends of the ice spray pipe are connected to the dry ice cleaning machine and the nozzles 32 respectively. The dry ice cleaning machine is electrically connected to the controller. Optionally, the outer ring of the ice spray pipe is covered with a silicone sleeve hose. The silicone sleeve hose can protect the ice spray pipe and make the ice spray pipe more wear-resistant and dynamic bending resistant.

[0099] refer to Figure 3 The grinding mechanism 4 includes a support 41, a wheel set 42, a sanding belt 43, and a dust collection hood 44, wherein:

[0100] The bracket 41 is installed on the moving end of the first lifting mechanism 6.

[0101] The wheel assembly 42 is rotatably mounted on the bracket 41.

[0102] The sanding belt 43 is fitted onto the wheel set 42. Specifically, the wheel set 42 includes a drive wheel and several driven wheels, all of which are tactilely connected to the sanding belt 43. A tensioning wheel set 42 is provided on the bracket 41. One end of the tensioning wheel set 42 is tactilely connected to the sanding belt 43, and the other end is hinged to the bracket 41. An elastic component is hinged to the side of the tensioning wheel set 42, and the end of the elastic component away from the tensioning wheel set 42 is hinged to the bracket 41.

[0103] The dust collection hood 44 has an opening at the top and covers the bracket 41. The dust collection hood 44 facilitates the collection of debris generated during the polishing process and avoids environmental pollution.

[0104] Optionally, the number of polishing mechanisms 4 is three sets, and the three sets of polishing mechanisms 4 are arranged at intervals along the first direction. The abrasive belts 43 in the three sets of polishing mechanisms 4 are the first abrasive belt 43, the second abrasive belt 43, and the third abrasive belt 43, respectively. The first abrasive belt 43 has the smallest mesh size, and the second abrasive belt 43 and the third abrasive belt 43 have a larger mesh size than the first abrasive belt 43. In this way, the contact line is easily polished by passing through a larger number of abrasive belts 43.

[0105] Specifically, the measuring mechanism 5 is installed between the first sanding belt 43 and the second sanding belt 43. In this way, the contact line surface profile curve measured by the measuring mechanism 5 is used to adjust the rotation speed of the second sanding belt 43 and the third sanding belt 43 after the measuring mechanism 5 is installed.

[0106] Optionally, it also includes a binocular camera 7, which is mounted on the roof of the engineering vehicle and electrically connected to the controller. The binocular camera 7 is set up to facilitate the identification of the work object, thereby improving the efficiency of grinding and cleaning.

[0107] refer to Figure 5 It also includes a contact force protection mechanism 8, installed between the first lifting mechanism 6 and the grinding mechanism 4. The contact force protection mechanism 8 is used to provide a constant contact force. The contact force protection mechanism 8 includes a guide rod 81, a second cylinder 82, a connecting plate 83, and a pressure sensor 84, wherein:

[0108] There are multiple guide rods 81. One end of the multiple guide rods 81 is installed on the moving end of the first lifting mechanism 6, and the other end of the multiple guide rods 81 extends along the second direction. Optionally, there are four guide rods 81, and the four guide rods 81 are located at the four vertices of the same rectangle. In this way, by setting multiple guide rods 81, the offset of the connecting plate 83 during the movement is reduced.

[0109] The fixed end of the second cylinder 82 is fixedly installed on the moving end of the first lifting mechanism 6, and the air pressure of the second cylinder 82 is greater than the air pressure of the first cylinder 51, that is, the measuring mechanism 5 is compressed first.

[0110] The connecting plate 83 is slidably mounted on the guide rod 81 and connected to the telescopic end of the second cylinder 82. The bracket 41 is mounted on the connecting plate 83. Specifically, the plate is fixedly mounted on the connecting plate 83, and the connecting plate 83 is provided with clearance holes corresponding to the through holes. The two guide shafts 52 are slidably inserted into the two clearance holes.

[0111] The pressure sensor 84 is mounted on the connecting plate 83. Specifically, the plate is mounted on the pressure sensor. The pressure sensor 84 is used to monitor the pressure on the sanding belt 43 to ensure the contact force between the sanding belt 43 and the contact line, thereby achieving the purpose of sanding ripples and hard spots.

[0112] Optionally, there are multiple pressure sensors 84, and all of the above pressure sensors 84 are installed between the plate and the connecting plate. In this way, by setting multiple pressure sensors 84, the measured data is more accurate.

[0113] Optionally, the number of pressure sensors 84 is four, and the four pressure sensors 84 are located at the four vertices of the same rectangle. This makes the force on each pressure sensor 84 more uniform, and further makes the measured data more accurate.

[0114] When the work begins, the first cylinder 51 and the second cylinder 82 are fully extended. At this time, the contact plate 54 is higher than the sanding belt 43, which ensures that the measuring mechanism 5 makes priority contact with the contact line. Then, the first lifting mechanism 6 drives the grinding mechanism 4 and the measuring mechanism 5 to rise simultaneously. After the contact plate 54 makes contact with the contact line, it continues to rise. At this time, the first cylinder 51 is compressed, and the measuring mechanism 5 descends until the sanding belt 43 makes contact with the contact line. The first lifting mechanism 6 continues to rise until the pressure sensor 84 reaches the set value, and the grinding mechanism 4 is started to grind the contact line.

[0115] Although the specific embodiments of the utility model have been described in detail with reference to the accompanying drawings, this should not be construed as limiting the scope of protection of this patent. Various modifications and variations that can be made by those skilled in the art without inventive effort within the scope described in the claims still fall within the scope of protection of this patent.

Claims

1. A multi-functional overhead contact line maintenance vehicle, characterized in that, include: Engineering work vehicle (1); The sliding mechanism (2) can be slidably mounted on the engineering work vehicle (1) along the first direction; The cleaning mechanism (3) is detachably installed on the engineering work vehicle (1); The grinding mechanism (4) is detachably mounted on the sliding mechanism (2) and is spaced apart from the cleaning mechanism (3) along the first direction; The measuring mechanism (5) is movable and mounted on the sliding mechanism (2) along the second direction. The first direction and the second direction are perpendicular to each other. The measuring mechanism (5) is used to measure the contour curve of the lower surface of the contact line. The controller is located inside the engineering work vehicle (1) and is electrically connected to the sliding mechanism (2), the cleaning mechanism (3), the grinding mechanism (4) and the measuring mechanism (5).

2. The multi-functional overhead contact line maintenance vehicle according to claim 1, characterized in that, The sliding mechanism (2) includes: The mounting base plate (21) is fixedly installed on the roof of the engineering work vehicle (1); There are two guide rails (22), which are respectively installed on opposite sides of the mounting base plate (21), and the length direction of the two guide rails (22) is parallel to the first direction. The sliding seat (23) has two grooves on one side that are adapted to the guide rails (22), and the two guide rails (22) are slidably installed in the two grooves; A rack (24) is mounted on the mounting base plate (21) and is arranged parallel to the guide rail (22), and the teeth of the rack (24) are arranged along the first direction; The gear (25) is rotatably mounted on the side of the sliding seat (23) near the mounting base plate (21) and meshes with the rack (24); A drive member (26) is installed at the edge of the sliding seat (23), and the output end of the drive member (26) is connected to the gear (25). The drive member (26) is used to drive the gear (25) to rotate.

3. The multi-functional overhead contact line maintenance vehicle according to claim 2, characterized in that, It also includes two lifting mechanisms, namely a first lifting mechanism (6) and a second lifting mechanism (61). The fixed end of the first lifting mechanism (6) is installed on the mounting base plate (21). The grinding mechanism (4) and the measuring mechanism (5) are installed on the moving end of the first lifting mechanism (6). The fixed end of the second lifting mechanism (61) is installed on the engineering work vehicle (1). The cleaning mechanism (3) is installed on the moving end of the second lifting mechanism (61).

4. The multi-functional overhead contact line maintenance vehicle according to claim 3, characterized in that, The measuring mechanism (5) includes: There are two first cylinders (51), one end of each first cylinder (51) is hinged to the opposite sides of the moving end of the first lifting mechanism (6); There are two guide shafts (52), and both guide shafts (52) can be slidably mounted on the moving end of the first lifting mechanism (6) along the second direction, and the other ends of the two first cylinders (51) are respectively hinged to the two guide shafts (52); Mounting plate (53) is mounted on one end of the two guide shafts (52) away from the first lifting mechanism (6); A contact plate (54) is mounted on the side of the mounting plate (53) away from the guide shaft (52); A displacement sensor (55) is installed on the moving end of the first lifting mechanism (6); A measuring magnetic ring (56) is mounted on either of the two guide shafts (52).

5. The multi-functional overhead contact line maintenance vehicle according to claim 4, characterized in that, The mounting plate (53) includes: A straight plate, wherein the length direction of the straight plate is arranged along a third direction, and the first direction, the second direction, and the third direction are arranged perpendicular to each other in pairs; Two curved plates are installed at both ends of the straight plate, and the protruding surface of the curved plate is connected to the side of the straight plate away from the guide shaft (52).

6. The multi-functional overhead contact line maintenance vehicle according to claim 3, characterized in that, The cleaning mechanism (3) includes: Two robotic arms (31) are mounted on the moving end of the second lifting mechanism (61). There are two nozzles (32), and the two nozzles (32) are respectively mounted on the two robotic arms (31); An air compressor is installed inside the engineering work vehicle (1) and is electrically connected to the controller; The dry ice cleaning machine is installed inside the engineering vehicle (1) and connected to the air compressor. The dry ice cleaning machine is connected to the two nozzles (32) and is electrically connected to the controller.

7. The multi-functional overhead contact line maintenance vehicle according to claim 3, characterized in that, The polishing mechanism (4) includes: The bracket (41) is installed on the moving end of the first lifting mechanism (6); The wheel assembly (42) is rotatably mounted on the bracket (41); A sanding belt (43) is fitted onto the wheel assembly (42); The dust collection hood (44) has an opening at the top and covers the bracket (41).

8. The multi-functional overhead contact line maintenance vehicle according to claim 7, characterized in that, The number of the polishing mechanism (4) is three sets, and the three sets of polishing mechanism (4) are arranged at intervals along the first direction. The sanding belts (43) in the three sets of polishing mechanism (4) are the first sanding belt (43), the second sanding belt (43) and the third sanding belt (43), respectively. The first sanding belt (43) has the smallest mesh size, and the second sanding belt (43) and the third sanding belt (43) have a larger mesh size than the first sanding belt (43).

9. The multi-functional overhead contact line maintenance vehicle according to any one of claims 1-8, characterized in that, It also includes a binocular camera (7) mounted on the roof of the engineering work vehicle (1), and the binocular camera (7) is electrically connected to the controller.

10. The multi-functional overhead contact line maintenance vehicle according to claim 7, characterized in that, It also includes a contact force protection mechanism (8), installed between the first lifting mechanism (6) and the grinding mechanism (4), the contact force protection mechanism (8) being used to provide a constant contact force, the contact force protection mechanism (8) comprising: Guide rods (81), there are multiple ones, one end of the multiple guide rods (81) is installed on the moving end of the first lifting mechanism (6), and the other end of the multiple guide rods (81) extends along the second direction; The second cylinder (82) is fixedly installed at the moving end of the first lifting mechanism (6); A connecting plate (83) is slidably mounted on the guide rod (81) and connected to the telescopic end of the second cylinder (82); the bracket (41) is mounted on the connecting plate (83). A pressure sensor (84) is mounted on the connecting plate (83) and is used to monitor the pressure on the sanding belt.

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