Axle box moving and mounting device

Abstract

The utility model provides an axle box moving installation device which comprises a base, a lower-layer base framework, an upper-layer base framework and a lifting mechanism, the lifting mechanism is fixed on the rear side of the base, the lower-layer base framework is connected with the lifting mechanism, and the upper-layer base framework is connected with the lower-layer base framework through a Z-shaped supporting arm. An upper-layer rotating platform is arranged on the upper-layer base framework, and a lower-layer rotating platform is arranged on the lower-layer base framework. By means of the lower-layer base framework, the upper-layer base framework and the axle box unit placing frame, axle box units can be accurately and conveniently installed and transported. By means of the lifting, rotating and moving functions, the labor intensity of workers is greatly reduced, it is guaranteed that the axle box units are not deviated or damaged in the installation process, and the working efficiency and safety are improved. The device can be folded for storage, and the storage space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to urban rail transit equipment technical field, especially a kind of axle box mobile installation device. BACKGROUND

[0002] The axle box swivel arm type positioning structure widely used in subway and high-speed train set has the following advantages: high horizontal stiffness, high vehicle stability; low vertical stiffness, which can improve the vehicle derailment safety and high-speed comfort, and is the best choice for urban rail transit express line vehicles. To ensure passenger safety and maintain the best state of the braking device, when the vehicle operating mileage reaches a certain mileage, the axle box body needs to be inspected for defects, the internal bearing needs to be replaced, and the consumable and wearable parts and the lubricating grease need to be replaced according to the maintenance manual and vehicle maintenance process requirements.

[0003] During initial maintenance, due to the lack of auxiliary tooling equipment and the limitations of the operating site environment, the operator can only manually transport the assembled axle box components to the installation position and then perform subsequent operations using the installation tooling. During the installation process, due to personnel coordination issues, the axle shaft and bearing inner ring may be damaged, which may cause debris to enter the closed axle box body, resulting in unnecessary damage to the wheel shaft or even scrap. Additionally, personnel coordination errors and high operation difficulty increase unnecessary labor hours and pose a risk to the safety of operating personnel. The occurrence of the above damage will inevitably increase maintenance costs and increase the risk of accidents that may compromise train safety. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide an axle box mobile installation device that ensures the axle box unit does not shift or be damaged during installation, improving work efficiency and safety.

[0005] According to the utility model, an axle box mobile installation device is provided, which includes a base, a lower base frame, an upper base frame, and a lifting mechanism. The base has a base wheel at the bottom, and the rear side of the base is fixed with the lifting mechanism. The lower base frame is connected to the lifting mechanism, and the upper base frame is connected to the lower base frame through a Z-shaped support arm. An upper rotating platform is provided on the upper base frame, and a lower rotating platform is provided on the lower base frame.

[0006] Further, the lifting mechanism is a hydraulic lifting mechanism or an electric lifting mechanism.

[0007] Further, one end of the Z-shaped support arm is rotationally connected with the lower base frame, and the other end of the Z-shaped support arm is connected with the upper base frame through a slide rail type upper base frame wheel.

[0008] Further, the upper rotating platform and the lower rotating platform are respectively provided with an axle box unit placing rack.

[0009] Further, the axle box unit placing rack is fixed with an axle box arm node support seat, an axle box unit placing rack fixing pin, a placing rack handle and an axle box body stop.

[0010] Further, the axle box unit placing rack is provided with a placing rack moving ball wheel at the lower part.

[0011] Further, an extension connecting device is arranged between the base and the lower base frame, and the extension connecting device comprises a connecting arm, a positioning block and a connecting arm guide wheel.

[0012] Further, a fixed pin is arranged on the upper base frame, and the fixed pin is used for connecting with the base.

[0013] Further, the upper rotating platform and the upper base frame are rotationally connected at the center, and the lower rotating platform and the lower base frame are rotationally connected at the center.

[0014] Further, a base wheel is arranged at the bottom of the base, and a handrail is fixed at the rear side of the base.

[0015] The technical scheme of the utility model discloses a lower base frame, an upper base frame and an axle box unit placing rack, so that the axle box unit can be accurately and conveniently installed and transported. The lifting, rotating and moving functions greatly reduce the labor intensity, ensure that the axle box unit does not deviate or damage during installation, improve work efficiency and safety. At the same time, the device can be folded and stored, saving storage space, enhancing the operability and practicality of the equipment, and meeting the needs of modern rail transit systems for accurate installation and transportation. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0017] Figure 1 It is a structural schematic view of the embodiment of the utility model;

[0018] Figure 2The top view of the embodiment of the utility model;

[0019] Figure 3 The top view of the embodiment of the utility model axle box unit placing rack;

[0020] Figure 4 The front view of the embodiment of the utility model axle box unit placing rack;

[0021] Figure 5 The side view of the embodiment of the utility model axle box unit placing rack;

[0022] Figure 6 The structure schematic view of the embodiment of the utility model extension connecting device;

[0023] Figure 7 The structure schematic view of the embodiment of the utility model fixed pin;

[0024] Figure 8 The structure schematic view of the embodiment of the utility model Z type support arm rotation process;

[0025] Figure 9 The structure schematic view of the embodiment of the utility model upper layer base frame and lower layer base frame are located at the same height;

[0026] Figure 10 The top view of the embodiment of the utility model upper layer base frame and lower layer base frame unfolded state;

[0027] Figure 11 The structure schematic view of the embodiment of the utility model loading axle box unit placing rack;

[0028] Figure 12 The structure schematic view of the embodiment of the utility model lifting state;

[0029] In the drawing: 1, handrail; 1-1, fixed pin; 2: lifting mechanism; 3, base wheel;

[0030] 4, lower layer base frame; 4-1, connecting arm; 4-2, positioning block; 4-3, connecting arm guide wheel;

[0031] 5, axle box unit placing rack; 6, upper layer rotating platform; 7, Z type support arm; 8, upper layer base frame; 9, sliding rail type upper layer base wheel; 10, lower layer rotating platform; 11, extension connecting device; 12, axle box arm node support seat; 13, axle box unit placing rack fixed pin; 14, placing rack handle; 15, axle box body stop; 16, placing rack mobile ball wheel. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be clearly and completely described below with reference to the embodiments, obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0033] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0034] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited. In addition, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] Embodiment 1

[0036] As Figures 1-12 shown,

[0037] A shaft box moving installation device, comprising a base, a lower base frame 4, an upper base frame 8 and a lifting mechanism 2, wherein: the bottom of the base is provided with base wheels 3, the number of base wheels 3 is two, two base wheels 3 are respectively located at the ends of the base, and brake devices are installed on the base wheels 3.

[0038] The rear side of the base is fixed with a handrail 1 and a lifting mechanism 2, the lower base frame 4 is connected with the lifting mechanism 2, and the lower base frame 4 and the upper base frame 8 can be driven to rise or fall through the lifting mechanism 2.

[0039] In this embodiment, the lifting mechanism 2 includes a lifting operating rod and a lowering operating rod, the lifting operating rod is used for controlling the rising of the lower base frame 4 and the upper base frame 8, and is used for aligning the shaft box mounting position.

[0040] The upper base frame 8 is connected with the lower base frame 4 through the Z-shaped support arm 7, the upper layer rotating platform 6 is arranged on the lower base frame 4, the lower layer rotating platform 10 is arranged on the upper base frame 8, the upper layer rotating platform 6 is rotationally connected with the center of the upper base frame 8, and the lower layer rotating platform 10 is rotationally connected with the center of the lower base frame 4.

[0041] In this embodiment, the lifting mechanism 2 adopts a manual hydraulic lifting form, and the lower base frame 4 is taken as a basis to drive the whole to complete the lifting action.

[0042] In this embodiment, the upper base frame 8 is connected with the lower base frame 4 through the Z-shaped support arm 7. The Z-shaped support arm 7 is provided with two, the Z-shaped support arm 7 is in a Z-shaped structure, and the Z-shaped support arm 7 can move 150° to realize the position movement of the upper base frame 8. Specifically, one end of the Z-shaped support arm 7 is rotationally connected with the lower base frame 4, and the other end of the Z-shaped support arm 7 is connected with the upper base frame 8 through the slide rail type upper base wheel 9. The slide rail type upper base wheel 9 is installed at the bottom of the upper base frame 8, the number of the slide rail type upper base wheel 9 is two, and the slide rail type upper base wheel 9 is located at the front end of the upper base frame 8 in the loading and transporting mode.

[0043] When the device is not used, the upper base frame 8 and the lower base frame 4 are folded through the Z-shaped support arm 7, and the whole tool is in a folded state. The upper base frame 8 is located on the lower base frame 4, and the upper base frame 8 is slightly higher than the lower base frame 4. In this state, the folding part (that is, the position close to the handrail 1 on the left side of the upper base frame 8) of the upper base frame 8 is fixed between the handrail 1 through a fixed pin, and the fixed pin 1-1 can ensure that the upper base frame 8 will not rotate under the action of gravity, and the stability of the upper base frame 8 and the lower base frame 4 is ensured.

[0044] When the device is not used, the upper base frame 8 and the lower base frame 4 are in a folded state.

[0045] As shown in the above figure, when in use, unlock the upper layer rotating platform fixed pin 1-1, through the rotation of Z type support arm 7, make the upper layer base frame 8 drop, make the upper layer base frame 8 and the lower layer base frame 4 at the same height, make two platforms become a whole, facilitate the installation of the axle box. Finally, operate the lifting mechanism 2 to drive the upper layer base frame 8 and the lower layer base frame 4 synchronous lifting action.

[0046] The upper layer rotating platform 6 and the lower layer base frame 4 are provided with the extension connecting device 11, the extension connecting device 11 can manually connect the relative position between the upper layer rotating platform 6 and the lower layer base frame 4, so that the upper layer rotating platform 6 can slide relative to the lower layer base frame 4.

[0047] The upper layer rotating platform 6 and the lower layer rotating platform 10 can rotate 360°, when the lower layer rotating platform 10 needs to rotate, the relative distance between the upper layer rotating platform 6 and the lower layer base frame 4 is adjusted through the extension connecting device 11. According to the need, the relative position between the upper layer rotating platform 6 and the lower layer base frame 4 can be adjusted through the extension connecting device 11, so as to facilitate the rotating operation of the lower layer rotating platform 10.

[0048] Specifically, the extension connecting device 11 includes a connecting arm 4-1, a positioning block 4-2 and a connecting arm guide wheel 4-3, the connecting arm 4-1 of the extension connecting device 11 is inserted into the rear end of the upper layer rotating platform 6, so that the upper layer rotating platform 6 and the lower layer base frame 4 are connected.

[0049] When the extension connecting device 11 specifically performs the action: unlock the positioning nut on the extension connecting device 11, make the connecting arm 4-1 of the extension connecting device 11 move along the horizontal direction, until the connecting arm 4-1 is inserted into the rear end of the upper layer rotating platform 6, lock the positioning nut, then the lifting can be carried out.

[0050] In this embodiment, two axle box unit placing racks 5 are respectively placed on the upper layer rotating platform 6 and the lower layer rotating platform 10, and the total number of the axle box unit placing racks 5 is four, two of which are respectively placed on the upper layer rotating platform 6 and the lower layer rotating platform 10.

[0051] The axle box unit placing rack 5 is used to support and fix the bottom of the axle box body, and can be stored separately when use is finished. Specifically, the upper surface of the axle box unit placing rack 5 is fixed with an axle box arm node support seat 12, an axle box unit placing rack fixed pin 13, a placing rack handle 14 and an axle box body stop 15, and the lower part of the axle box unit placing rack 5 is provided with a placing rack moving ball wheel 16.

[0052] The placing frame handle 14 is used when the placing frame is moved; the train axle box adopts a rotating arm structure, the axle box rotating arm node support seat 12 can ensure that the tool is in a horizontal position; the axle box unit placing frame fixing pin 13 ensures the stability of the placing frame on the upper layer rotating platform 6 and the lower layer rotating platform 10; the axle box body stop 15 ensures that the axle box body is stably placed on the placing frame; the placing frame moving ball wheel 16 enables the placing frame to move on the rotating platform.

[0053] When the tool is in a storage state, the upper layer rotating platform 6 and the lower layer rotating platform 10 are in a storage state in a vertical arrangement, and the lower layer base frame 4 and the upper layer base frame 8 are supported by the Z-shaped support arm 7. When the tool is in a state of transporting the axle box, the Z-shaped support arm 7 is rotated by 150° at the lower end, so that the upper layer base frame 8 and the upper layer rotating platform 6 are moved to the ground and are parallel to the lower rotating platform 6, at this time, the upper end of the Z-shaped support arm 7 is moved to the other end of the upper layer base frame 8 in the horizontal moving direction, and the guide wheel of the upper layer base frame 8 serves as a moving wheel. The Z-shaped support arm 7 can return the upper layer rotating platform to the upper layer when the use is finished, and the tool is convenient to store.

[0054] When the tool is in use, the Z-shaped support arm 7 can be actuated by 150°, the upper layer rotating platform 6 is placed horizontally in front of the lower layer rotating platform 10, and the slide rail type upper layer base frame wheel 9 is in contact with the ground, at this time, the upper layer rotating platform 6 and the lower layer rotating platform 10 are parallel, the axle box unit placing frame 5 is placed on the platform, and each platform can carry a maximum of two axle box unit placing frames 5, and the axle box is prevented from being placed on the axle box unit placing frame 5.

[0055] The tool has a lifting function, can perfectly align the axle box unit with the installation height, and does not need to be lifted by multiple people to install the axle box unit. The separated axle box unit placing frame 5 has a sliding function on the rotating platform, can push the axle box unit to the installation position, saves the human consumption and moving accuracy of the axle box unit on the tool. The axle box unit placing frame 5 can fix the axle box unit, so that the axle box unit will not be deviated or scratched by external factors at any time, and damage to the axle box and the bearing is prevented.

[0056] The tool can flexibly adjust the height of the lifting platform according to the actual conditions of the operation site, and can realize stable and rapid rotation of the rotating platform to the predetermined installation position in a carrying state. The tool has the characteristics of easy operation. Only two operators are needed to complete the corresponding disassembly and assembly operation process. The upper limit of the number of axle box units carried by the tool is the same as the number of axle boxes on one side of a single vehicle, and a single tool can complete the installation and transportation of four axles on one side at a time, and can be folded and stored, which is convenient and practical.

[0057] In this embodiment, the lifting mechanism adopts a hydraulic lifting mechanism, and the lifting mechanism can also adopt an electric lifting mechanism, and by changing the current hydraulic operation into electrical driving operation, the labor consumption of personnel controlling the hydraulic lifting can be saved.

[0058] The tool of the utility model is used for installing the axle box unit on the axle shaft in the following steps:

[0059] Before using the tool, the on-site situation is observed to determine whether the axle box unit is pushed out from the front end of the tool or from the side, and after determining the pushing direction of the axle box unit, the orientations of the upper rotary platform 6 and the lower rotary platform 10 are adjusted as required;

[0060] After confirming that the above operations are completed, the upper rotary platform 6 is moved 150° by the Z-shaped support arm 7 and placed on the ground at the same level as the lower rotary platform 10;

[0061] The axle box body placing rack 5 is sequentially coded on the upper rotary platform 6 and the lower rotary platform 10, it is confirmed that the axle box unit placing rack fixing pin 13 on the axle box body placing rack 5 is locked well, the axle box is placed on the axle box body placing rack 5, the axle box is placed in the axle box body stop 15 and the axle box rotating arm node support seat 12, to prevent the axle box from moving accidentally, and then the tool is pushed into the operation position;

[0062] After the operator on the outside uses the lifting operation rod to lift the upper rotary platform 6 and the lower rotary platform 10 to an appropriate height, the relative positions of the axle box and the axle shaft are observed by the two inside and outside workers, if there is deviation, the position of the upper rotary platform 6 or the lower rotary platform 10 can be continuously operated to move, after confirming that the installation position is correct, the axle box and the axle shaft are attached, and then the two workers cooperate with each other to move the axle box into the axle shaft installation position, after confirming that the installation is in place, the lowering operation rod is used to lower the upper rotary platform 6 and the lower rotary platform 10 to an appropriate height, the tool is pushed out, and the operation is completed.

[0063] The storage steps of the tool of the utility model are as follows:

[0064] After the installation work is completed, the tool is placed on the lowest position by the lifting mechanism 2, the tool is pushed to the storage position by pushing the handrail 1, the axle box body placing rack 5 is taken down for storage, the upper base frame 8 and the upper rotary platform 6 are lifted, the upper base frame 8 is lifted to the upper side of the lower base frame 4 along the movement track of the Z-shaped support arm 7 for storage.

[0065] The utility model discloses according to need, satisfy most can bear four axle box units, and satisfy when depositing need not occupy too much depositing space, according to design need, the frame of this tool bearing axle box unit can separate with tool main body and be convenient for distribution deposit and according to demand free placement. The rotating platform of the tool has rotation function, so that the orientation of the axle box unit can be changed, and the relative angle between the tool and the axle can be adjusted according to the on-site environment.

[0066] In order to meet the installation requirements of the axle box unit, the tool has a lifting function, which can lift the axle box rotating platform for lifting operation, and can lift the axle box unit to a suitable height for installation. Since the bearing unit frame is independently constructed, it can slide on the rotating platform during the installation process of the axle box unit, saving a lot of manpower during installation.

[0067] Compared with the previous axle box unit installation and transportation operation, not only the number of workers is saved, but also the operation time is improved, and the damage degree of the axle box unit and the bearing during installation and transportation is reduced, and the maintenance cost is reduced.

[0068] The primary purpose of the utility model is to solve the damage of the axle box unit, the inside and the bearing caused by transportation and installation process, and completely eliminate such problems. And optimize the operation time and assembly personnel, reduce the risk hidden trouble of operation process and other problems of operation personnel. And the tool can be folded and stored, saving the space occupied during storage.

[0069] The tool of the utility model is suitable for the electric passenger train on the axle box unit of the mechanical running gear bogie in the urban rail transit system, and is designed to improve the axle box unit installation process, simplify the operation steps and improve the work efficiency. Through the design and use of the tool, the previous repair process is changed, and the purpose of meeting the assembly process requirements and realizing cost reduction and efficiency increase is realized.

[0070] The utility model discloses a connecting composition between the axle box body and the train wheel pair, ensures that the workpiece is installed in the specified station position, facilitates subsequent tool equipment to complete the pressing operation, meets the wide or narrow assembly site requirement, reduces the number of workers and large equipment intervention during operation, improves the operation efficiency, is easy to move and daily cleaning and maintenance, reduces the axle box dismounting and installation time of the operator during repair operation, effectively improves the repair process of the axle box maintenance, and can be widely applied in various different models.

[0071] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A shaft box moving mounting device characterized by, The base, the lower base frame, the upper base frame and the lifting mechanism are included, the rear side of the base is fixed with the lifting mechanism, the lower base frame is connected with the lifting mechanism, the upper base frame is connected with the lower base frame through the Z-shaped support arm, the upper layer rotating platform is arranged on the upper base frame, and the lower layer rotating platform is arranged on the lower base frame.

2. The shaft housing mobile mounting apparatus according to claim 1, characterized by The lifting mechanism is a hydraulic lifting mechanism or an electric lifting mechanism.

3. The shaft housing mobile mounting apparatus according to claim 1, characterized by One end of the Z-shaped support arm is rotationally connected with the lower base frame, and the other end of the Z-shaped support arm is connected with the upper base frame through the slide rail type upper base wheel.

4. The shaft housing mobile mounting apparatus according to claim 1, characterized by The upper layer rotating platform and the lower layer rotating platform are respectively placed with the shaft box unit placing frame.

5. The shaft housing mobile mounting apparatus according to claim 4, characterized by The shaft box unit placing frame is fixed with the shaft box rotating arm node support seat, the shaft box unit placing frame fixing pin, the placing frame handle and the shaft box body stop.

6. The shaft housing mobile mounting apparatus according to claim 4, characterized by The lower part of the shaft box unit placing frame is provided with the placing frame moving ball wheel.

7. The shaft housing mobile mounting apparatus according to claim 1, characterized by The base and the lower base frame are provided with the extension connecting device, and the extension connecting device includes the connecting arm, the positioning block and the connecting arm guide wheel.

8. The shaft housing mobile mounting apparatus according to claim 1, characterized by The upper base frame is provided with the fixing pin, and the fixing pin is used for connecting the upper base frame with the base.

9. The shaft housing mobile mounting apparatus according to claim 1, characterized by The upper layer rotating platform and the upper base frame are rotationally connected at the center, and the lower layer rotating platform and the lower base frame are rotationally connected at the center.

10. The shaft housing mobile mounting apparatus according to claim 1, characterized by The bottom of the base is provided with the base wheel, and the rear side of the base is fixed with the handrail.

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