Maintenance device for shield tunneling machine trolley slurry tank reduction gearbox
By designing a combination of disassembled tooling and manual hydraulic jacks composed of multi-layer steel plates, the problems of low efficiency in the repair of the gearbox of the slurry tank of the shield machine and easy box damage are solved, and fast and safe maintenance is achieved in situ.
Patent Information
- Application Number
- CN202421250949.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-04
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-06-04
AI Technical Summary
During the construction of the shield machine tunnel, the slurry tank gearbox is prone to failure, the outgoing maintenance time is long, the removal and maintenance efficiency is low, which affects the construction period, and the cast iron box is easily crushed, affecting economic benefits.
A maintenance device for the gearbox of the trolley tank of the shield machine is designed. It uses a disassembled tooling made of multi-layer steel plates and is equipped with a manual hydraulic jack. It prevents excessive force from being used through buffering materials and docking seats, and adapts to different types of reducers. demolition demand.
In-situ maintenance is realized, maintenance time is saved, material acquisition and processing is simplified, and the box is damaged by excessive force is avoided, and it is suitable for the maintenance needs of various types of reducers.
Smart Images

Figure CN222360132U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of shield machine equipment maintenance, in particular to a maintenance device for a slurry tank reduction box of a shield machine trolley. Background Art
[0002] During shield machine tunnel construction, the slurry tank reducer is very prone to failure during shield excavation, which requires a long time for external maintenance, greatly delaying the excavation period. The efficiency of dismantling and maintenance is low, affecting the progress of the work. During dismantling, the reducer case is made of cast iron, which is difficult to prevent from being crushed by excessive force, which can easily affect the economic benefits.
[0003] In order to achieve the above-mentioned purpose, the utility model provides a maintenance device for a slurry tank reduction box of a shield machine trolley, which can solve the problems raised in the above-mentioned background technology. Utility Model Content
[0004] The utility model adopts the following technical solutions to achieve:
[0005] A maintenance device for a slurry tank reducer of a shield machine trolley, comprising a reducer and a dismantling tool, wherein the dismantling tool is a four-sided frame body composed of a plurality of steel plates, and a manual hydraulic jack is connected to one side of the interior of the dismantling tool;
[0006] The reducer is located inside the frame of the disassembly tooling, and the reducer includes a main drive shaft that penetrates laterally. The manual hydraulic jack is located on one side of the reducer, and the ejecting part above the manual hydraulic jack is located on the same axis as the main drive shaft.
[0007] Preferably, the disassembly tooling includes two mutually parallel lateral welding plates, a long cover plate and an opposing perforated plate, the mounting surface of the manual hydraulic jack is connected to the long cover plate, and the reducer is located between the ejection end of the manual hydraulic jack and the opposing perforated plate.
[0008] Preferably, a buffer material is provided between the reducer and the opposing perforated plates.
[0009] Preferably, the facing perforated plates are provided with shaft outlet openings, the two ends of the reducer are respectively in close contact with the two lateral welding plates, and the center position of the shaft outlet opening is located on the axis position of the main drive shaft.
[0010] Preferably, both ends of the opposing perforated plates are fixed between the two lateral welding plates, one end of the two lateral welding plates is fixed to the long cover plate, and the length between the two lateral welding plates is determined by the length between the two ends of the reducer.
[0011] Preferably, a lateral chassis cover is provided on the outside of the reducer, mounting plates are provided on both sides of the reducer, a positioning sleeve is provided inside the mounting plate, and the main drive shaft is clamped inside the positioning sleeve.
[0012] Preferably, the ejection end of the manual hydraulic jack is connected to a docking seat, and the area of the docking seat is not larger than the side cross-sectional area of the main drive shaft.
[0013] Preferably, one end of the docking seat is a concave circular groove, and the circular groove of the docking seat matches the ejection end of the manual hydraulic jack.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] The utility model forms a disassembly tool by splicing multiple layers of steel plates, so that materials can be taken on site for reducer repair. The raw materials are easy to obtain and convenient to process. Only welding or cutting is required. It can be made with a manual hydraulic jack, which can save time for outsourcing repairs and perform on-site disassembly and repair. In addition, the device can use pads and other methods to lift the manual hydraulic jack and convert different positions for ejection. The main drive shafts in different positions can be aligned through the splicing, cutting and cutting of multiple steel plates, so as to meet the dismantling needs of various types of reducers. The buffer material and the docking seat are provided to protect the dismantling and prevent the box from being crushed by excessive force. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the disassembly tooling structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the reducer structure of the utility model.
[0018] In the figure: 1. reducer; 2. main drive shaft; 3. positioning sleeve; 4. mounting plate; 5. lateral chassis cover; 6. long cover; 7. lateral welding plate; 8. opposite opening plate; 9. shaft opening; 10. buffer material; 11. docking seat. DETAILED DESCRIPTION
[0019] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.
[0020] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.
[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly connected by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.
[0022] The utility model is further described in detail below in conjunction with the accompanying drawings.
[0023] Please refer to the attached Figure 1 , Figure 2 , including a reducer and a dismantling tool, wherein the dismantling tool is a four-sided frame body composed of a plurality of steel plates, and a manual hydraulic jack is connected to one side of the interior of the dismantling tool;
[0024] The reducer is located inside the frame of the disassembly tooling, and the reducer includes a main drive shaft that penetrates laterally. The manual hydraulic jack is located on one side of the reducer, and the ejecting part above the manual hydraulic jack is located on the same axis as the main drive shaft.
[0025] Please refer to Figure 1 , Figure 2 The disassembly tooling includes two mutually parallel lateral welding plates, a long cover plate and an opposite perforated plate, the mounting surface of the manual hydraulic jack is connected to the long cover plate, and the reducer is located between the ejection end of the manual hydraulic jack and the opposite perforated plate;
[0026] A buffer material is provided between the reducer and the opposing perforated plate.
[0027] Please pay attention to Figure 2 The opposing opening plates are provided with shaft outlet openings, and the two ends of the reducer are respectively tightly attached to the two lateral welding plates, and the center position of the shaft outlet opening is located on the axis position of the main driving shaft.
[0028] Please pay attention to Figure 2 The two ends of the opposing perforated plates are fixed between the two lateral welding plates, one end of the two lateral welding plates is fixed on the long cover plate, and the length between the two lateral welding plates is determined by the length between the two ends of the reducer.
[0029] Please pay attention to Figure 1 , the reducer is provided with a lateral chassis cover on the outside, the reducer is provided with mounting plates on both sides, the mounting plates are provided with positioning sleeves inside, and the main drive shaft is clamped inside the positioning sleeves; the ejection end of the manual hydraulic jack is connected with a docking seat, and the area of the docking seat is not larger than the side cross-sectional area of the main drive shaft;
[0030] One end of the docking seat is a concave circular groove, and the circular groove of the docking seat matches the ejection end of the manual hydraulic jack.
[0031] The specific implementation method of the utility model is as follows: When the operator uses the device, first, before dismantling and repairing, drain the gear oil inside the reducer, remove the motor, place the reducer on a flat ground, use a 2 cm or more steel plate for dismantling tooling, push the two ends of the reducer between the two side welding plates, measure the distance between the two side welding plates, and after determining the distance, weld the long cover plate to the lateral welding plate. At this time, use other materials to align the push-out center position of the manual hydraulic jack with the center main drive shaft position of the reducer. Use the docking seat to dock the main drive shaft based on the size of the main drive shaft, cut the shaft opening according to the previously measured length, and position it at the main drive shaft position of the reducer. The position of the shaft opening on the shaft opening, the aperture size of the shaft opening will be larger than the aperture size of the main drive shaft, and then the buffer material is inserted between the opposite opening plate and the reducer, and then the manual hydraulic jack is manually pushed out until the buffer material is flattened, so that the main drive shaft is separated from the large gear, and the bearing is also removed together with the main drive shaft. The other main drive shafts are removed in the same way, and then the removable lateral chassis cover and mounting plate on the side of the reducer are opened, and the loose internal moving gears are removed, and the good bearings and severely worn gears and oil sealing rings are replaced, and L-CKC100# gear oil is added to complete the maintenance. There is no need for remote delivery to the sending terminal for special maintenance, which saves maintenance time.
[0032] The above description of the utility model in combination with the accompanying drawings is an exemplary description. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as the non-substantial improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.
Claims
1. A maintenance device for a slurry tank reduction box of a shield machine trolley, characterized in that: It includes a reducer and a dismantling tool, wherein the dismantling tool is a four-sided frame body composed of multiple steel plates, and a manual hydraulic jack is connected to one side of the interior of the dismantling tool; The reducer is located inside the frame of the disassembly tooling, and the reducer includes a main drive shaft that penetrates laterally. The manual hydraulic jack is located on one side of the reducer, and the ejecting part above the manual hydraulic jack is located on the same axis as the main drive shaft.
2. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 1 is characterized in that: The disassembly tooling includes two mutually parallel lateral welding plates, a long cover plate and an opposite perforated plate. The mounting surface of the manual hydraulic jack is connected to the long cover plate, and the reducer is located between the ejection end of the manual hydraulic jack and the opposite perforated plate.
3. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 2 is characterized in that: A buffer material is provided between the reducer and the opposing perforated plate.
4. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 2, characterized in that: The opposing opening plates are provided with shaft outlet openings, and the two ends of the reducer are respectively tightly attached to the two lateral welding plates, and the center position of the shaft outlet opening is located on the axis position of the main driving shaft.
5. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 2, characterized in that: The two ends of the opposing perforated plates are fixed between the two lateral welding plates, one end of the two lateral welding plates is fixed to the long cover plate, and the length between the two lateral welding plates is determined by the length between the two ends of the reducer.
6. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 1, characterized in that: The outside of the reducer is provided with a lateral chassis cover plate, the two sides of the reducer are provided with mounting plates, the inside of the mounting plates is provided with a positioning sleeve seat, and the main drive shaft is clamped inside the positioning sleeve seat.
7. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 6, characterized in that: The ejection end of the manual hydraulic jack is connected with a docking seat, and the area of the docking seat is not larger than the side cross-sectional area of the main drive shaft.
8. The device for repairing the slurry tank reduction box of a shield machine trolley according to claim 7, characterized in that: One end of the docking seat is a concave circular groove, and the circular groove of the docking seat matches the ejection end of the manual hydraulic jack.