Maintenance car

Abstract

The utility model discloses a maintenance car, and particularly relates to the technical field of bridge monitoring and maintenance, which comprises a maintenance car main body, a support frame is arranged on the maintenance car main body, one end of the support frame is connected with a lifting frame, the bottom end of the lifting frame is connected with a connecting frame, and one side of the connecting frame is fixedly connected with a maintenance platform. Protective plates are fixedly arranged on the front and rear sides of the top end of the maintenance platform; a plurality of movable grooves are formed in the top end of the overhauling platform, movable blocks are arranged in the movable grooves, two supporting plates are arranged at the bottom ends of the lifting tables, and a two-way lead screw is rotationally connected between every two front-back adjacent movable grooves. The first motor is controlled to be started and stopped through the control switch, each worker can independently adjust the height of the lifting table according to the height of the worker and the actual overhauling condition, the applicability is high, the situation that bridge overhauling is affected due to inconvenient communication is avoided, and the overhauling effect is good.

Description

Technical Field

[0001] This utility model relates to the field of bridge monitoring and maintenance technology, specifically to a maintenance vehicle. Background Technology

[0002] Bridge inspection vehicles can be moved at any time, allowing inspection personnel to safely, quickly, and efficiently access work sites for mobile inspections or maintenance. They do not disrupt traffic during operation and can travel at slow speeds without retracting their booms.

[0003] Currently, in actual use, when the bridge inspection vehicle is adjusted to the bottom of the bridge, if the maintenance personnel want to make minor adjustments to the height so that they can better inspect the bottom of the bridge, they can only do so by calling the person in the driver's cab. This can sometimes cause communication problems. In addition, the height that maintenance personnel need to move up and down during maintenance varies depending on their height. The existing inspection platform on the vehicle cannot be adjusted individually for different people. Utility Model Content

[0004] The purpose of this invention is to provide a maintenance vehicle to address the aforementioned shortcomings in the technology.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a maintenance vehicle, comprising:

[0006] The main body of the maintenance vehicle is equipped with a support frame. One end of the support frame is connected to a lifting frame, the bottom end of the lifting frame is connected to a connecting frame, and a maintenance platform is fixedly connected to one side of the connecting frame. A protective plate is fixedly installed on the front and rear sides of the top of the maintenance platform.

[0007] Multiple lifting platforms are located on top of a maintenance platform. The top of the maintenance platform has multiple movable slots, each containing a movable block. Two support plates are located at the bottom of each lifting platform. Both ends of the support plates are movably connected to the bottom of the lifting platform and the tops of the two movable blocks via hinges. A bidirectional lead screw is rotatably connected between two adjacent movable slots. Both ends of the bidirectional lead screw pass through the two movable blocks, and the bidirectional lead screw is threaded to the two movable blocks with opposite thread directions. Multiple first motors are fixedly mounted at the front end of the maintenance platform, and one end of each bidirectional lead screw is fixedly connected to the output shaft of one of the multiple first motors.

[0008] Preferably, a plurality of control switches are installed on the inner side of the front protective plate, and the plurality of control switches are electrically connected to a plurality of first motors respectively, so as to facilitate individual control of the start and stop of each first motor.

[0009] Preferably, multiple limiting sliding grooves are arranged on the facing side of each of the two protective plates, and multiple limiting sliding blocks are arranged in the limiting sliding grooves, and the multiple limiting sliding blocks are fixedly connected to the front and rear ends of the multiple lifting platforms respectively, so that the lifting platforms can be positioned and guided.

[0010] Preferably, a hydraulic telescopic rod is fixedly arranged between the bottom of one end of the supporting frame and the bottom end of one side of the lifting frame, so that the lifting frame can be driven to move up and down.

[0011] Preferably, two T-shaped guide rods are fixedly arranged on one side of the lifting frame, and two T-shaped guide grooves are arranged on one end of the supporting frame, and the two T-shaped guide rods pass through the two T-shaped guide grooves respectively, so that the lifting frame can be positioned and guided.

[0012] Preferably, a second motor is fixedly arranged at the bottom end of the lifting frame, an output shaft of the second motor is fixedly provided with a rotating rod, the bottom end of the rotating rod passes through the bottom end of the lifting frame and is fixedly connected to the top end of the connecting frame, and the rotating rod is rotatably connected to the bottom end of the lifting frame through a bearing, so that the connecting frame and the maintenance platform can be driven to rotate.

[0013] Preferably, a protective frame is fixedly arranged on the top end of each of the two protective plates, so that the workers can be safely protected.

[0014] In the above technical solution, the technical effects and advantages of the utility model are provided.

[0015] The height of the lifting platform can be individually adjusted according to the height of each worker and the actual maintenance condition by controlling the opening and closing of the first motor, the applicability is high, and the influence on the bridge maintenance caused by inconvenient communication is avoided, and the maintenance effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is a supporting frame, lifting frame and connecting frame connecting structure schematic view of the utility model;

[0019] Figure 3 It is a maintenance platform, protective plate and protective frame connecting structure schematic view of the utility model;

[0020] Figure 4The utility model discloses a maintenance platform and protective plate three -dimensional section structure schematic diagram.

[0021] Figure 5 The utility model discloses a maintenance platform three -dimensional section structure schematic diagram.

[0022] Mark explanation:

[0023] 1, the maintenance car main part, 2, support frame, 3, lifting frame, 4, connecting frame, 5, maintenance platform, 6, protective plate, 7, lifting platform, 8, movable slot, 9, movable block, 10, support plate, 11, two -way screw rod, 12, first motor, 13, control switch, 14, limit sliding slot, 15, limit sliding block, 16, hydraulic telescopic rod, 17, T type guide rod, 18, T type guide slot, 19, second motor, 20, rotating rod, 21, protective frame. Specific implementation

[0024] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in the following with the drawings.

[0025] The utility model provides a kind of maintenance car as Figures 1 to 5 As shown in the figure, it comprises:

[0026] Maintenance car main part 1 is installed with support frame 2 on maintenance car main part 1, lifting frame 3 is connected with one end of support frame 2, connecting frame 4 is connected with the bottom end of lifting frame 3, and maintenance platform 5 is fixedly connected with one side of connecting frame 4;Maintenance platform 5 top is fixedly provided with a protective plate 6 on front and back sides, and two protective plates 6 top are fixedly provided with protective frame 21;

[0027] Multiple lifting platforms 7 are arranged on the top of maintenance platform 5, multiple movable slots 8 are formed on the top of maintenance platform 5, movable blocks 9 are arranged in the movable slots 8, two support plates 10 are arranged on the bottom of lifting platform 7, the two ends of the two support plates 10 are movably connected with the bottom of lifting platform 7 and the top of the two movable blocks 9 respectively, two-way screw rods 11 are rotatably connected between the two movable slots 8 adjacent to each other, the two ends of the two-way screw rods 11 pass through the two movable blocks 9 respectively, the two-way screw rods 11 are threadedly connected with the two movable blocks 9 and the thread directions are opposite, multiple first motors 12 are fixedly arranged on the front end of maintenance platform 5, one end of each of the multiple two-way screw rods 11 is fixedly connected with the output shaft of the corresponding first motor 12, multiple control switches 13 are arranged on the inner side of the front protective plate 6, the multiple control switches 13 are electrically connected with the multiple first motors 12 respectively, multiple limit sliding slots 14 are formed on the side of each of the two protective plates 6, limit sliding blocks 15 are arranged in the limit sliding slots 14, and the multiple limit sliding blocks 15 are fixedly connected with the front and rear ends of the multiple lifting platforms 7 respectively.

[0028] The hydraulic telescopic rod 16 is fixed between the bottom of one end of the support frame 2 and the bottom end of one side of the lifting frame 3, the two T-shaped guide rods 17 are fixed on one side of the lifting frame 3, the two T-shaped guide grooves 18 are formed in one end of the support frame 2, and the two T-shaped guide rods 17 pass through the interiors of the two T-shaped guide grooves 18 respectively.

[0029] The second motor 19 is fixed at the bottom end in the interior of the lifting frame 3, the rotating rod 20 is fixed on the output shaft of the second motor 19, the bottom end of the rotating rod 20 passes through the bottom end of the lifting frame 3 and is fixedly connected with the top end of the connecting frame 4, and the rotating rod 20 is rotatably connected with the bottom end of the lifting frame 3 through a bearing.

[0030] The maintenance workers move to the maintenance platform 5, the plurality of maintenance workers stand on the top ends of the plurality of lifting platforms 7 respectively, the hydraulic telescopic rod 16 is started, the hydraulic telescopic rod 16 drives the lifting frame 3 to move downwards, the lifting frame 3 drives the connecting frame 4 and the maintenance platform 5 to move downwards, the second motor 19 is started, the output shaft of the second motor 19 drives the rotating rod 20 to rotate, the rotating rod 20 drives the connecting frame 4 and the maintenance platform 5 to rotate, so that the maintenance platform 5 can be rotated to the bottom of the bridge;

[0031] Different workers control the first motor 12 to start or stop through the control switch 13 according to their own conditions, the output shaft of the first motor 12 drives the bidirectional screw rod 11 to rotate, the two movable blocks 9 are close to each other due to the threaded connection between the bidirectional screw rod 11 and the movable blocks 9, the two movable blocks 9 drive the bottom ends of the two supporting plates 10 to be close to each other, the two supporting plates 10 drive the lifting platforms 7 to rise, and the lifting platforms 7 drive the workers to move upwards, so that the workers can adjust the height of the lifting platforms 7 according to their own height and the actual maintenance condition, and then the workers can better maintain the bottom of the bridge.

[0032] The utility model discloses the opening and closing of first motor 12 through control switch 13, and each worker can adjust the height of lifting platform 7 according to their own height and actual maintenance condition, and the adaptability is higher, and then avoid the influence bridge maintenance condition that the communication is inconvenient to appear, and the maintenance effect is better, and the embodiment specifically solves the bridge maintenance vehicle in prior art in actual use, when the maintenance platform is adjusted to the bottom of the bridge, if the maintenance personnel want to fine tune height, so that they can better maintain the bridge bottom, they can only adjust through the personnel in the vehicle cab, this sometimes can exist the problem of communication trouble, and the height that the maintenance personnel moves up and down when maintaining is different, and the maintenance platform on the existing maintenance vehicle cannot be individually adjusted according to different people.

[0033] The above has only described certain exemplary embodiments of the present application by way of illustration, and it is needless to say that the described embodiments can be modified in various ways without departing from the spirit and scope of the present application for those skilled in the art. Therefore, the above drawings and descriptions are illustrative in nature, and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A service truck characterized by, Include: The maintenance vehicle body (1) is provided with a support frame (2), one end of the support frame (2) is connected with a lifting frame (3), the bottom end of the lifting frame (3) is connected with a connecting frame (4), one side of the connecting frame (4) is fixedly connected with a maintenance platform (5), and the top end of the maintenance platform (5) is fixedly provided with a protection plate (6) on the front and rear sides. A plurality of lifting platforms (7) are provided on the top of the maintenance platform (5), a plurality of movable grooves (8) are formed in the top of the maintenance platform (5), movable blocks (9) are arranged in the movable grooves (8), two support plates (10) are arranged at the bottom end of the lifting platform (7), the two ends of the two support plates (10) are movably connected between the bottom end of the lifting platform (7) and the top end of the two movable blocks (9), respectively, a bidirectional screw rod (11) is rotatably connected between two adjacent movable grooves (8), the two ends of the bidirectional screw rod (11) pass through the two movable blocks (9), respectively, and the bidirectional screw rod (11) is threadedly connected with the two movable blocks (9) and the thread directions are opposite, a plurality of first motors (12) are fixedly arranged at the front end of the maintenance platform (5), and one end of each of the plurality of bidirectional screw rods (11) is fixedly connected with the output shaft of the first motor (12).

2. The service car of claim 1, wherein: A plurality of control switches (13) are arranged on the inner side of the front protection plate (6), and the plurality of control switches (13) are electrically connected with the plurality of first motors (12), respectively.

3. The service cart of claim 1, wherein: A plurality of limiting sliding grooves (14) are formed in the opposite sides of the two protection plates (6), limiting sliding blocks (15) are arranged in the limiting sliding grooves (14), and the plurality of limiting sliding blocks (15) are fixedly connected with the front and rear ends of the plurality of lifting platforms (7), respectively.

4. The service cart of claim 1, wherein: A hydraulic telescopic rod (16) is fixedly arranged between one end of the bottom of the support frame (2) and one side of the bottom end of the lifting frame (3).

5. A service cart according to claim 4, characterized in that: Two T-shaped guide rods (17) are fixedly arranged on one side of the lifting frame (3), two T-shaped guide grooves (18) are formed in one end of the support frame (2), and the two T-shaped guide rods (17) pass through the interiors of the two T-shaped guide grooves (18), respectively.

6. The service cart of claim 1, wherein: A second motor (19) is fixedly arranged at the bottom end in the interior of the lifting frame (3), a rotating rod (20) is fixedly arranged on the output shaft of the second motor (19), the bottom end of the rotating rod (20) passes through the bottom end of the lifting frame (3) and is fixedly connected with the top end of the connecting frame (4), and the rotating rod (20) is rotatably connected with the bottom end of the lifting frame (3) through a bearing.

7. The service cart of claim 1, wherein: Protection frames (21) are fixedly arranged at the top ends of the two protection plates (6).

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