Mechanical maintenance tool

Abstract

The utility model discloses a mechanical maintenance tool which comprises a T-shaped supporting frame, three connecting blocks are integrally arranged on one side of the T-shaped supporting frame, the ends of the three connecting blocks are detachably connected with a first screwdriver, a second screwdriver and a third screwdriver respectively, and the other side of the T-shaped supporting frame is fixedly connected with a fixing box. A telescopic and adjustable crowbar is arranged at the end of the fixing box, lighting lamps are installed at the top of the fixing box at equal intervals, and a dust blowing assembly used for blowing away coal ash at the maintenance position is arranged at the bottom of the fixing box. The time is saved, and the mechanical maintenance efficiency is improved; when the maintenance tool is not used, the crowbar is contracted into the fixed box, so that the overall length of the maintenance tool is shortened, the maintenance tool is convenient to carry, and the situation that the crowbar is exposed to the outside and pokes others due to the fact that the crowbar is too long is avoided.

Description

Technical Field

[0001] This utility model relates to the field of repair tool technology, specifically a mechanical repair tool. Background Technology

[0002] Coal mining machinery is a broad category of machinery. It is specifically designed for coal mining and differs from other mining machinery due to its specialized characteristics. As a major coal producer, China's annual coal production is constantly increasing. By the end of 2008, the national coal production had exceeded 2.4 billion tons. The production of coal mining machinery plays a crucial role in my country. Maintenance tools are used when repairing coal mining machinery.

[0003] According to patent number CN 213505872 U, a coal mine machinery repair tool includes a pry bar handle and a screwdriver handle. Two other types of replacement screwdriver heads are placed in an inner mounting slot. When changing the screwdriver, it is necessary to open the inner mounting slot containing the required type of screwdriver head, take it out, and then remove the original screwdriver head to replace it. The whole process is cumbersome and time-consuming, resulting in very low efficiency in machinery repair. In addition, the total length of the pry bar and multiple screwdriver heads in the existing coal mine machinery repair tool is long, making it very inconvenient to carry. Furthermore, the exposed pry bar can easily poke someone if not careful, posing a certain safety hazard. Therefore, we propose a machinery repair tool. Utility Model Content

[0004] The purpose of this utility model is to provide a mechanical repair tool to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a mechanical repair tool, including a T-shaped support frame, wherein three connecting blocks are integrally provided on one side of the T-shaped support frame, and the ends of the three connecting blocks are respectively detachably connected to a first screwdriver, a second screwdriver, and a third screwdriver; a fixing box is fixedly connected to the other side of the T-shaped support frame, and an extendable and adjustable pry bar is provided at the end of the fixing box; lighting lamps are equidistantly installed on the top of the fixing box; and a dust blowing component for blowing away coal ash at the repair site is provided at the bottom of the fixing box.

[0006] Preferably, a lead screw is rotatably connected between the top ends of the two inner walls of the fixing box via a bearing, and a sliding plate is slidably connected inside the fixing box. One end of the pry bar located inside the fixing box is fixedly connected to the sliding plate. A horizontal threaded hole is opened at the top end of the sliding plate, and the lead screw is threadedly connected to the threaded hole of the lead screw. A limit rod is fixedly connected between the bottom ends of the two inner walls of the fixing box, and a horizontal limit hole is opened at the bottom end of the sliding plate. The limit rod is slidably connected to the limit hole, and the sliding plate is slidably connected inside the fixing box.

[0007] Preferably, a worm gear is rotatably connected to the end of the fixed box, the central shaft of the worm gear extends into the fixed box and is fixedly connected to the lead screw, a convex plate is integrally provided symmetrically at the top of the fixed box, and a worm is rotatably connected between the two convex plates, the worm meshes with the worm gear, and a rotating handle is fixedly connected to the end of the worm through the convex plate.

[0008] Preferably, the first, second, and third screwdrivers each include a handle, a fixing block, and a screwdriver head. The fixing block is fixedly connected to the end of the handle, and the screwdriver head is provided at the end of the fixing block away from the handle. A connecting groove is provided at the top of the connecting block, and the fixing block is engaged with the bottom end inside the connecting groove. A sliding hole is provided at the top of the connecting block, and a sliding rod is slidably connected in the sliding hole. A pressure plate is fixedly connected to the end of the sliding rod located inside the connecting groove, and a spring is sleeved on the outside of the sliding rod. A fixing rod is integrally provided at the bottom of the pressure plate. A fixing hole is provided at the top of the fixing block, and the fixing rod at the bottom of the pressure plate is engaged in the fixing hole. A pull plate is fixedly connected to the top of the sliding rod.

[0009] Preferably, the ends of the three screwdriver heads are respectively Phillips head, flathead head, and hexagonal head.

[0010] Preferably, the screwdriver bit is fixedly connected to a mounting block at one end of the fixing block, the fixing block has a mounting groove at its end, the mounting block at the end of the screwdriver bit is engaged in the mounting groove at the end of the fixing block, a fastening knob is provided on each of the corresponding two side walls of the fixing block, and a connecting hole is provided on each side of the mounting block at the end of the screwdriver bit, the end of the fastening knob is threaded into the connecting hole of the mounting block.

[0011] Preferably, the dust blowing assembly includes a fan, a ventilation pipe, and air outlets. A fan is installed at one end of the bottom of the fixed box. The air inlet of the fan is connected to the outside. The air outlet of the fan is fixedly connected to the ventilation pipe, which is fixedly installed at the bottom of the fixed box. Air outlets are provided at equal intervals on the outer side of the ventilation pipe.

[0012] Preferably, the side wall of the fixing box is provided with a lifting handle, and the T-shaped support frame is provided with a gripping rod in the middle of the side away from the fixing box.

[0013] Preferably, a battery is provided on the side wall of the fixing box, and the lighting lamp and the fan are both electrically connected to the battery.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model allows for the detachable installation of a first screwdriver, a second screwdriver, and a third screwdriver on a T-shaped support frame. The first, second, and third screwdrivers have different cutting tips, allowing for the selection of the appropriate screwdriver model as needed. This eliminates the complex steps of disassembling and replacing the cutting tips required in traditional methods, saves time, and improves the efficiency of mechanical maintenance.

[0016] 2. This utility model features a retractable pry bar housed within a fixed box. The pry bar can be used as needed, and when not in use, it can be retracted into the fixed box, shortening the overall length of the repair tool, making it easy to carry, and preventing the pry bar from being exposed and potentially poking others.

[0017] 3. This utility model incorporates a dust blowing component, which facilitates the blowing of dust from maintenance areas with a large accumulation of coal ash, making the maintenance areas easier to observe and facilitating maintenance. The lighting fixture can illuminate the maintenance areas, allowing maintenance personnel to observe them more closely. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the fixing box of this utility model;

[0021] Figure 4 This is a schematic diagram of the screwdriver structure of this utility model;

[0022] Figure 5 This utility model Figure 1 A partially enlarged structural schematic diagram;

[0023] Figure 6 This is a schematic diagram of the retracted structure of the crowbar of this utility model.

[0024] In the diagram: 1. T-shaped support frame; 2. Connecting block; 3. First screwdriver; 4. Second screwdriver; 5. Third screwdriver; 6. Grip rod; 7. Fixing box; 8. Pry bar; 9. Lighting lamp; 10. Dust blowing assembly; 11. Battery; 12. Lifting handle; 13. Lead screw; 14. Slide plate; 15. Limiting rod; 16. Worm gear; 17. Worm; 18. Rotating handle; 19. Fan; 20. Ventilation pipe; 21. Air outlet; 22. Handle; 23. Fixing block; 24. Screwdriver head; 25. Connecting groove; 26. Slide rod; 27. Spring; 28. Pull plate; 29. ​​Pressure plate; 30. Fixing hole; 31. Fastening knob. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1 , Figure 2 and Figure 6 This utility model provides a technical solution: a mechanical repair tool, including a T-shaped support frame 1. Three connecting blocks 2 are integrally provided on one side of the T-shaped support frame 1, and the ends of the three connecting blocks 2 are respectively detachably connected to a first screwdriver 3, a second screwdriver 4 and a third screwdriver 5. A fixing box 7 is fixedly connected to the other side of the T-shaped support frame 1, and an extendable and adjustable pry bar 8 is provided at the end of the fixing box 7. Lighting lamps 9 are installed at equal intervals on the top of the fixing box 7, and a dust blowing component 10 for blowing away coal ash at the repair site is provided at the bottom of the fixing box 7.

[0027] It should be noted that the crowbar 8 is retractable and installed inside the fixed box 7, so the crowbar 8 can be used as needed. When not in use, the crowbar 8 can be retracted into the fixed box 7, which shortens the overall length of the maintenance tool and avoids the crowbar 8 being exposed outside and poking others. The dust blowing component 10 is set up to facilitate the cleaning of maintenance parts with accumulated coal ash, so that the maintenance parts are exposed to the outside, making maintenance work more convenient.

[0028] Please see Figure 3 A lead screw 13 is rotatably connected between the top ends of the two inner walls of the fixed box 7 via a bearing. A sliding plate 14 is slidably connected inside the fixed box 7. One end of the pry bar 8 located inside the fixed box 7 is fixedly connected to the sliding plate 14. A horizontal threaded hole is opened at the top end of the sliding plate 14, and the lead screw 13 is threaded into the threaded hole of the lead screw 13. A limit rod 15 is fixedly connected between the bottom ends of the two inner walls of the fixed box 7. A horizontal limit hole is opened at the bottom end of the sliding plate 14, and the limit rod 15 is slidably connected into the limit hole. The sliding plate 14 is slidably connected inside the fixed box 7.

[0029] It should be noted that the end of the crowbar 8 located inside the fixed box 7 is fixedly connected to the slide plate 14. The slide plate 14 is a cuboid structure, which is slidably connected inside the fixed box 7 to play a certain limiting role. At the same time, the cooperation of the limiting rod 15 further limits the movement of the slide plate 14, ensuring the smooth extension and retraction of the crowbar 8 and enhancing the stability of the crowbar 8.

[0030] Please see Figure 1 and Figure 3The fixed box 7 is rotatably connected to a worm gear 16 at its end. The central shaft of the worm gear 16 extends into the fixed box 7 and is fixedly connected to the lead screw 13. The top of the fixed box 7 is symmetrically and integrally provided with a protruding plate, and a worm 17 is rotatably connected between the two protruding plates. The worm 17 is meshed with the worm gear 16. The end of the worm 17 passes through the protruding plate and is fixedly connected to a rotating handle 18.

[0031] It should be noted that the worm gear 17 can be rotated by rotating the handle 18. The meshing connection between the copper drum worm gear 17 and the worm wheel 16 can drive the lead screw 13 to rotate. The sliding plate 14 can slide inside the fixed box 7 through the threaded connection between the slide plate 14 and the lead screw 13.

[0032] Please see Figure 1 , Figure 4 and Figure 5 The first screwdriver 3, the second screwdriver 4, and the third screwdriver 5 each include a handle 22, a fixing block 23, and a screwdriver head 24. The end of the handle 22 is fixedly connected to the fixing block 23, and the screwdriver head 24 is provided at the end of the fixing block 23 away from the handle 22. The top of the connecting block 2 has a connecting groove 25, and the fixing block 23 is engaged with the bottom end inside the connecting groove 25. The top of the connecting block 2 has a sliding hole, and a sliding rod 26 is slidably connected in the sliding hole. The end of the sliding rod 26 located inside the connecting groove 25 is fixedly connected to a pressure plate 29, and a spring 27 is sleeved on the outside of the sliding rod 26. The bottom of the pressure plate 29 is integrally provided with a fixing rod. The top of the fixing block 23 has a fixing hole 30, and the fixing rod at the bottom of the pressure plate 29 is engaged in the fixing hole 30. The top of the sliding rod 26 is fixedly connected to a pull plate 28.

[0033] It should be noted that the first screwdriver 3, the second screwdriver 4, and the third screwdriver 5 are detachably connected to the three connecting blocks 2. When using screwdrivers, select the appropriate screwdriver according to the screw holes of the machine being repaired. When removing the screwdrivers, pull up the pull plate 28, compress the slide rod 26, and slide the pressure plate 29 up, so that the fixing rod at the bottom of the pressure plate 29 is disengaged from the fixing hole 30. Then, simply pull out the handle 22. After use, install the screws on the end of the connecting block 2.

[0034] Please see Figure 1 The ends of the three screwdriver bits 24 are respectively a cross-shaped bit, a flat-head bit, and a hexagonal bit.

[0035] It should be noted that the first, second, and third screwdrivers have different blades, allowing you to choose the appropriate screwdriver as needed. This eliminates the complex steps of disassembling and replacing blades that are traditionally required, saving time and improving the efficiency of mechanical repair. In addition, the first, second, and third screwdrivers are installed in a parallel position, shortening the overall length and making them easier to carry.

[0036] Please see Figure 4The screwdriver head 24 is fixed to one end of the fixing block 23 and a mounting block is fixed thereto. The end of the fixing block 23 has a mounting groove. The mounting block at the end of the screwdriver head 24 is engaged in the mounting groove at the end of the fixing block 23. The corresponding two side walls of the fixing block 23 are provided with fastening knobs 31. The mounting block at the end of the screwdriver head 24 has connecting holes on both sides. The end of the fastening knob 31 is threaded into the connecting hole of the mounting block.

[0037] It should be noted that during maintenance, the lighting lamp 9 can be turned on via the control switch of the device for illumination, facilitating observation of the maintenance area. When the pry bar 8 is needed, rotating the handle 18 causes the worm gear 17 to rotate. The meshing connection between the worm gear 17 and the worm wheel 16 causes the lead screw 13 to rotate. The threaded connection between the slide plate 14 and the lead screw 13 causes the slide plate 14 to slide towards the end of the fixed box 7. The pry bar 8 extends outside the fixed box 7, reaching its maximum extension when the slide plate 14 reaches the end of the fixed box 7. Pry up the part to be repaired for repair work. When there is a lot of coal ash accumulated in the repair area, the blower 19 can be controlled to work and blow the coal ash off the repair area through multiple air nozzles 21. When a screwdriver is needed, select the appropriate screwdriver according to the screw hole of the repair machine. When removing the screwdriver, pull up the pull plate 28, the slide rod 26 is compressed, and the pressure plate 29 slides up, so that the fixing rod at the bottom of the pressure plate 29 is disengaged from the fixing hole 30. Then pull out the handle 22 directly. After use, install the screw at the end of the connecting block 2.

[0038] The dust blowing assembly 10 includes a fan 19, a ventilation pipe 20, and a blower 21. The fan 19 is installed at one end of the bottom of the fixed box 7. The air inlet of the fan 19 is connected to the outside. The air outlet of the fan 19 is fixedly connected to the ventilation pipe 20, and the ventilation pipe 20 is fixedly installed at the bottom of the fixed box 7. Blower 21s are provided at equal intervals on the outer side of the ventilation pipe 20.

[0039] It should be noted that by setting up the dust blowing component 10, it is convenient to blow away the dust from the maintenance parts with a lot of coal ash, making the maintenance parts easier to observe and convenient for maintenance.

[0040] Please see Figure 1 The side wall of the fixed box 7 is provided with a lifting handle 12, and the T-shaped support frame 1 is provided with a grip rod 6 in the middle of the side away from the fixed box 7.

[0041] It should be noted that the grip lever 6 is designed to be easy to hold and to facilitate the operation of the crowbar 8.

[0042] Please see Figure 1 A battery 11 is installed on the side wall of the fixing box 7, and the lighting lamp 9 and the fan 19 are all electrically connected to the battery 11.

[0043] It should be noted that battery 11 is used to power the lighting lamp 9 and the fan 19.

[0044] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0045] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0046] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0047] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mechanical repair tool, characterized in that, The device includes a T-shaped support frame (1), on one side of which three connecting blocks (2) are integrally provided, and the ends of the three connecting blocks (2) are respectively detachably connected to a first screwdriver (3), a second screwdriver (4) and a third screwdriver (5). The other side of the T-shaped support frame (1) is fixedly connected to a fixing box (7), and the end of the fixing box (7) is provided with a telescopic and adjustable pry bar (8). Lighting lamps (9) are installed at equal intervals on the top of the fixing box (7), and a dust blowing component (10) for blowing away coal ash at the maintenance area is provided at the bottom of the fixing box (7).

2. The mechanical repair tool according to claim 1, characterized in that: A lead screw (13) is rotatably connected between the top ends of the two inner walls of the fixed box (7) via a bearing. A sliding plate (14) is slidably connected inside the fixed box (7). One end of the pry bar (8) located inside the fixed box (7) is fixedly connected to the sliding plate (14). A horizontal threaded hole is opened at the top end of the sliding plate (14). The lead screw (13) is threadedly connected in the threaded hole of the lead screw (13). A limiting rod (15) is fixedly connected between the bottom ends of the two inner walls of the fixed box (7). A horizontal limiting hole is opened at the bottom end of the sliding plate (14). The limiting rod (15) is slidably connected in the limiting hole. The sliding plate (14) is slidably connected inside the fixed box (7).

3. A mechanical repair tool according to claim 2, characterized in that: The fixed box (7) is rotatably connected to a worm gear (16) at its end. The central shaft of the worm gear (16) extends into the fixed box (7) and is fixedly connected to the lead screw (13). The top of the fixed box (7) is symmetrically provided with a convex plate, and a worm (17) is rotatably connected between the two convex plates. The worm (17) meshes with the worm gear (16), and the end of the worm (17) passes through the convex plate and is fixedly connected to a rotating handle (18).

4. A mechanical repair tool according to claim 1, characterized in that: The first screwdriver (3), the second screwdriver (4), and the third screwdriver (5) each include a handle (22), a fixing block (23), and a screwdriver head (24). The fixing block (23) is fixedly connected to the end of the handle (22), and the screwdriver head (24) is provided at the end of the fixing block (23) away from the handle (22). A connecting groove (25) is provided at the top of the connecting block (2), and the fixing block (23) is engaged with the bottom end inside the connecting groove (25). The top of the connecting block (2) is... A sliding hole is provided, and a sliding rod (26) is slidably connected in the sliding hole. One end of the sliding rod (26) located inside the connecting groove (25) is fixedly connected to a pressure plate (29). A spring (27) is sleeved on the outside of the sliding rod (26). A fixing rod is integrally provided at the bottom of the pressure plate (29). A fixing hole (30) is provided at the top of the fixing block (23). The fixing rod at the bottom of the pressure plate (29) is engaged in the fixing hole (30). A pull plate (28) is fixedly connected to the top of the sliding rod (26).

5. A mechanical repair tool according to claim 4, characterized in that: The ends of the three screwdriver tips (24) are respectively cross-shaped tips, flat-head tips and hexagonal tips.

6. A mechanical repair tool according to claim 4, characterized in that: The screwdriver bit (24) is fixed to one end of the fixing block (23) with a mounting block. The fixing block (23) has a mounting groove at its end. The mounting block at the end of the screwdriver bit (24) is engaged in the mounting groove at the end of the fixing block (23). The fixing block (23) has fastening knobs (31) on both sides of its corresponding side walls. The mounting block at the end of the screwdriver bit (24) has connecting holes on both sides. The end of the fastening knob (31) is threaded into the connecting hole of the mounting block.

7. A mechanical repair tool according to claim 1, characterized in that: The dust blowing assembly (10) includes a fan (19), a ventilation pipe (20), and a blower (21). The fan (19) is installed at one end of the bottom of the fixed box (7). The air inlet of the fan (19) is connected to the outside. The air outlet of the fan (19) is fixedly connected to the ventilation pipe (20), and the ventilation pipe (20) is fixedly installed at the bottom of the fixed box (7). Blower (21) is provided at equal intervals on the outer side of the ventilation pipe (20).

8. A mechanical repair tool according to claim 1, characterized in that: The side wall of the fixed box (7) is provided with a lifting handle (12), and the T-shaped support frame (1) is provided with a gripping rod (6) in the middle of the side away from the fixed box (7).

9. A mechanical repair tool according to claim 1, characterized in that: The side wall of the fixed box (7) is provided with a battery (11), and the lighting lamp (9) and the fan (19) are both electrically connected to the battery (11).

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