Maintenance combination tool for bullet train

Abstract

The utility model discloses an overhaul combination tool for a motor train, and relates to the technical field of overhaul tools for motor train units, the overhaul combination tool comprises a pen body, a quadrangular key head is fixedly installed on the side wall of the pen body, a winding box is detachably installed on the side wall of the pen body, and the inner wall of the winding box is rotatably connected with a winding roller. The winding box is provided with a winding roller, the winding roller is provided with a measuring belt, the side wall of the winding box is provided with an open slot, and the measuring belt movably penetrates through the inside of the open slot and extends to the outside of the winding box, the winding device is provided with the winding box, the winding roller and the measuring belt, and the measuring belt can be pulled out of the winding box, so that data measurement can be carried out; and the arranged measuring tape can be pulled out by any length, so that the pen body can be operated to mark the measuring position with enough distance, and the convenience of the device in use is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance tools for electric trains, in particular to a combination tool for maintenance of electric trains. Background Art

[0002] At present, when EMUs undergo first-level operational maintenance, they are required to carry three types of work tools: chalk, four-corner keys, and steel rulers. If the tools are left behind during the maintenance work, it will pose a safety risk to the operation of the EMUs.

[0003] After searching, the patent application number CN202321908309.1 discloses a combination tool for EMU operation and maintenance. Its structure includes a pen tube, a clamp, a rivet, a steel ruler, an outer spring, and an inner spring. The pen tube is provided with a four-corner key head, a pen body, a chalk opening, a pen tube outer spring limiter, a pen tube rivet hole, and a clamp opening. The four-corner key head is an inner four-corner cylindrical head, and the pen body is a hexagonal prism. The utility model has strong operability, facilitates centralized management of tools in EMU operation and maintenance, and occupies a small volume.

[0004] In the above device, the steel ruler thereon is riveted to the rivet holes of the pen tube by rivets. When the steel ruler needs to be used to measure the position and chalk is needed to mark it, there is a defect, that is, the steel ruler and chalk cannot be used together, that is, the position cannot be marked with chalk at the same time, which leads to limitations in use; therefore, in order to further facilitate the use of users, this device is designed with a combination tool for EMU operation and maintenance. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a combined tool for maintenance of motor vehicles.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A combination tool for maintenance of electric vehicles includes a pen body, a four-corner key head is fixedly mounted on the side wall of the pen body, a winding box is detachably mounted on the side wall of the pen body, a winding roller is rotatably connected to the inner wall of the winding box, a measuring tape is mounted on the winding roller, an open slot is provided on the side wall of the winding box, the measuring tape movably passes through the inside of the open slot and extends to the outside of the winding box, a through hole is provided on the end wall of the winding box, a rotating wheel is fixedly mounted on the end wall of the winding roller, the rotating wheel movably passes through the inside of the through hole and extends to the outside of the winding box.

[0008] The above technical solution further includes: a damping shaft is installed on the rotating wheel, and the outer wall of the damping shaft is fixedly connected to the inner wall of the through hole.

[0009] A mounting bracket is fixedly mounted on the side wall of the pen body, two insertion holes are symmetrically provided on the outer wall of the winding box, thread grooves are symmetrically provided on the outer wall of the mounting bracket, a locking screw is threadedly connected to the inner wall of the thread groove, and the inner part of the locking screw is movably inserted into the inner part of the insertion hole.

[0010] A positioning plate is fixedly installed on the outer wall of the winding box below the open slot, and a fixing bracket is fixedly installed on the outer wall of the winding box above the open slot. A fixing screw is threadedly connected to the fixing bracket, and a pressure plate is rotatably connected to the bottom end of the fixing screw, and the pressure plate is used to clamp the measuring tape on the positioning plate.

[0011] A magnetic block is fixedly mounted on one end of the measuring tape located outside the winding box.

[0012] An iron sheet is installed on the outer wall of the positioning plate, and the magnetic block is attracted and fixed on the iron sheet.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] In the utility model, a winding box, a winding roller and a measuring tape are provided. The measuring tape can be pulled out from the winding box so that data can be measured, and the length of the measuring tape can be pulled out to any length, so that there is enough distance to operate the pen body to mark the measurement position, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first overall structural diagram of a combined tool for maintenance of electric vehicles proposed by the present utility model;

[0016] Figure 2 The figure is a schematic diagram of the cross-sectional structure of a combined tool for maintenance of a motor vehicle;

[0017] Figure 3 A second overall structural diagram of a combined tool for maintenance of electric trains;

[0018] Figure 4 for Figure 2 Schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 5 for Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0020] In the picture:

[0021] 10. Pen body; 11. Mounting bracket; 12. Locking screw; 20. Four-corner key head; 30. Winding box; 31. Winding roller; 32. Rotating wheel; 33. Measuring tape; 34. Magnetic block; 35. Opening slot; 41. Fixing screw; 42. Fixing bracket; 43. Pressing plate; 44. Positioning plate. DETAILED DESCRIPTION

[0022] The technical solution of the present invention is further described below with reference to the accompanying drawings and specific embodiments.

[0023] Example 1

[0024] Refer to the attached Figure 1-5 The utility model proposes a combination tool for maintenance of motor vehicles, including a pen body 10, on the side wall of which a four-corner key head 20 is fixedly installed; wherein, the device does not improve the internal structure of the pen body 10, and it still adopts the structure of the existing technology in the comparative document, and its interior is used to install chalk to realize marking with chalk, which will not be described in detail here.

[0025] A winding box 30 is detachably mounted on the side wall of the pen body 10, and a mounting bracket 11 is fixedly mounted on the side wall of the pen body 10. Two insertion holes are symmetrically provided on the outer wall of the winding box 30, and threaded grooves are symmetrically provided on the outer wall of the mounting bracket 11. The inner wall of the threaded groove is threadedly connected with a locking screw 12, and the inner part of the locking screw 12 is movably inserted into the inner part of the insertion hole; wherein, the winding box 30 here can be removed from the mounting bracket 11. When disassembling, the locking screw 12 can be rotated and the locking screw 12 can be removed from the insertion hole to release the fixing of the locking screw 12 to the winding box 30, and then the winding box 30 can be pushed out from the inside of the mounting bracket 11.

[0026] The inner wall of the winding box 30 is rotatably connected to a winding roller 31 , and a measuring tape 33 is installed on the winding roller 31 ; wherein the measuring tape 33 is a soft tape body, and the length data can be measured by the measuring tape 33 .

[0027] An opening slot 35 is provided on the side wall of the winding box 30, and the measuring tape 33 is movable through the inside of the opening slot 35 and extends to the outside of the winding box 30. A through hole is provided on the end wall of the winding box 30, and a rotating wheel 32 is fixedly mounted on the end wall of the winding roller 31. The rotating wheel 32 is movable through the inside of the through hole and extends to the outside of the winding box 30; by rotating the rotating wheel 32, the winding roller 31 can be driven to rotate, thereby winding / releasing the measuring tape 33.

[0028] A damping shaft is mounted on the rotating wheel 32 , and the outer wall of the damping shaft is fixedly connected to the inner wall of the through hole; wherein, when no external force is applied to rotate the rotating wheel 32 , the rotating wheel 32 will not rotate easily.

[0029] A positioning plate 44 is fixedly installed on the outer wall of the winding box 30 below the opening slot 35, and a fixing frame 42 is fixedly installed on the outer wall of the winding box 30 above the opening slot 35. A fixing screw 41 is threadedly connected to the fixing frame 42, and the bottom end of the fixing screw 41 is rotatably connected to a pressure plate 43, which is used to clamp and fix the measuring tape 33 on the positioning plate 44; wherein, when the measuring tape 33 is pulled out to a suitable length, the fixing screw 41 can be rotated, and the thread on the outer wall of the fixing screw 41 is engaged with the thread on the inner wall of the fixing frame 42, so that the fixing screw 41 moves downward, and after the fixing screw 41 moves downward, it drives the pressure plate 43 to move downward, so that the measuring tape 33 is clamped and fixed on the positioning plate 44 through the pressure plate 43.

[0030] A magnetic block 34 is fixedly mounted on one end of the measuring tape 33 located outside the winding box 30 ; when measuring an object, the magnetic block 34 can be adsorbed on the metal of the vehicle, thereby facilitating measurement.

[0031] An iron sheet is installed on the outer wall of the positioning plate 44, and the magnetic block 34 is attracted and fixed on the iron sheet; wherein, the volume of the magnetic block 34 is larger than the opening slot 35. When the measuring tape 33 is wound on the winding roller 31, the magnetic block 34 can be attracted and fixed on the positioning plate 44, which is convenient for the next use.

[0032] In this embodiment, the working principle of the device is as follows: when measuring length data, the magnetic block 34 can be pulled to pull the measuring tape 33 out of the winding box 30 to a suitable length, that is, in addition to the length required for measurement, there is at least space for the pen body 10 to move;

[0033] Then, the fixing screw 41 can be rotated to lock the measuring tape 33 on the positioning plate 44 through the pressure plate 43. Then, one end of the magnetic block 34 is attracted and fixed to the metal to be measured. Then, the measuring tape 33 is straightened to measure the length of the required position, and then the pen body 10 is operated to mark the measurement point.

[0034] It should be noted that when measuring, the end of the magnetic block 34 is adsorbed and fixed on the metal, and then the measuring tape 33 is pressed and fixed at the measuring end position with one hand, and the pen body 10 is operated with the other hand to mark;

[0035] The measuring tape 33 provided in the device can be pulled out to any length, so that there is enough distance for operating the pen body 10 to mark the measuring position, thereby improving the convenience of using the device.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A combination tool for maintenance of motor vehicles, comprising a pen body (10), a four-corner key head (20) fixedly mounted on the side wall of the pen body (10), characterized in that: A winding box (30) is detachably mounted on the side wall of the pen body (10), a winding roller (31) is rotatably connected to the inner wall of the winding box (30), a measuring tape (33) is mounted on the winding roller (31), an opening slot (35) is provided on the side wall of the winding box (30), the measuring tape (33) movably passes through the inside of the opening slot (35) and extends to the outside of the winding box (30), a through hole is provided on the end wall of the winding box (30), a rotating wheel (32) is fixedly mounted on the end wall of the winding roller (31), the rotating wheel (32) movably passes through the inside of the through hole and extends to the outside of the winding box (30).

2. A combination tool for maintenance of electric trains according to claim 1, characterized in that: A damping shaft is mounted on the rotating wheel (32), and the outer wall of the damping shaft is fixedly connected to the inner wall of the through hole.

3. A combined tool for maintenance of motor vehicles according to claim 2, characterized in that: A mounting bracket (11) is fixedly mounted on the side wall of the pen body (10), two insertion holes are symmetrically provided on the outer wall of the winding box (30), thread grooves are symmetrically provided on the outer wall of the mounting bracket (11), a locking screw (12) is threadedly connected to the inner wall of the thread groove, and the inner part of the locking screw (12) is movably inserted into the inner part of the insertion hole.

4. A combined tool for maintenance of electric trains according to claim 3, characterized in that: A positioning plate (44) is fixedly installed on the outer wall of the winding box (30) below the opening slot (35), and a fixing frame (42) is fixedly installed on the outer wall of the winding box (30) above the opening slot (35). A fixing screw (41) is threadedly connected to the fixing frame (42), and a pressure plate (43) is rotatably connected to the bottom end of the fixing screw (41). The pressure plate (43) is used to clamp and fix the measuring tape (33) on the positioning plate (44).

5. A combined tool for maintenance of electric trains according to claim 4, characterized in that: A magnetic block (34) is fixedly mounted on one end of the measuring tape (33) located outside the winding box (30).

6. A combined tool for maintenance of electric trains according to claim 5, characterized in that: An iron sheet is installed on the outer wall of the positioning plate (44), and the magnetic attraction block (34) is fixed on the iron sheet by attraction.

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