Hoisting anti-falling tool for overhauling coupler product of motor train unit

Abstract

The utility model provides a hoisting anti-dropping tool for overhauling a coupler product of a motor train unit, which relates to the technical field of hoisting appliances, and comprises a hoisting seat, a fixed clamp and a movable clamp, the fixed clamp is arranged at one end of the hoisting seat, the movable clamp is movably arranged at the other end of the hoisting seat, and the movable clamp is driven by a driving piece to move. An embedded groove is formed in the lower portion of one end of the front side of the hanging seat, and a rotary knob connected with the driving piece is rotationally arranged in the embedded groove. A mounting groove is formed in one end in the lifting seat, and a lifting ring is movably arranged in the mounting groove; by rotating the knob and driving the driving piece, the movable clamp moves close to the fixed clamp to clamp a coupler product needing to be overhauled, the coupler product is hoisted through the hoisting ring, the hoisting ring is pulled up during hoisting, the guide column is made to move upwards along the guide groove, the guide column drives one end of the rotating arm to slide upwards, the other end of the rotating arm rotates downwards, and the coupler product is overhauled. Therefore, the baffle blocks the embedded groove, mistaken collision operation on the knob is avoided, and looseness is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a lifting device technical field, especially a kind of lifting and hoisting anti-drop tool for EMU car coupler product overhaul. BACKGROUND

[0002] EMU car coupler product is the important device of connecting each vehicle in EMU, for keeping the stable connection between vehicle and transmitting traction and impact force, these car coupler products are usually highly precise and complex mechanical components, including non-rigid coupler and tight type coupler etc., they are designed and manufactured according to the operation demand of EMU;

[0003] With the long-term operation of EMU, car coupler can be affected by various forces and impacts, prone to wear, crack, deformation and other faults, these faults will seriously affect the operation safety and stability of EMU if not timely found and handled, thus need regular maintenance, in the prior art, when lifting car coupler product using magnetic lifting, once magnetic force disappears, there is the risk of falling, some also use clamp to clamp car coupler for lifting, clamp has driving structure to drive clamping, when lifting, once accidental touch occurs, there is the risk of driving structure loosening, causing unstable clamping, therefore, the utility model provides a kind of lifting and hoisting anti-drop tool for EMU car coupler product overhaul to solve the problems in the prior art. SUMMARY

[0004] In view of the above problems, the utility model provides a kind of lifting and hoisting anti-drop tool for EMU car coupler product overhaul, when lifting, lifting ring is pulled up, so that guide column is upwards along guide groove, guide column drives one end of rotary arm to slide upwards, so that the other end of rotary arm rotates downwards, so that baffle blocks inner embedding groove, avoids accidental collision operation to knob, prevents loosening.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a kind of lifting and hoisting anti-drop tool for EMU car coupler product overhaul, including lifting seat, fixed clamp and movable clamp, the fixed clamp is located at one end of lifting seat, the movable clamp is movably arranged at the other end of lifting seat, and movable clamp is driven to move by driving member, the lower side of one end of the front side of lifting seat is provided with inner embedding groove, and knob connected with driving member is rotatably arranged in the inner embedding groove;

[0006] One end of the inside of lifting seat is provided with mounting groove, and lifting ring is movably arranged in the inside of mounting groove, guide groove is arranged on the lifting seat at the position of front and back side of mounting groove, guide column that is movably matched with guide groove is arranged at the lower side of the front and back side of lifting ring, rotary arm is rotatably arranged at one end of the front side of lifting seat, and one end of rotary arm is slidably connected with the guide column of front side, the other end of rotary arm is provided with baffle matched with inner embedding groove.

[0007] Further improvement lies in that one end of the rotating arm is provided with a sliding groove, and the guide column at the front side is provided with a protrusion which is slidingly matched with the sliding groove.

[0008] Further improvement lies in that the fixing clamp comprises a fixing arm and a first chuck, the fixing arm is fixed to the inside of the mounting groove through bolts, and the first chuck is connected below the fixing arm.

[0009] Further improvement lies in that the movable clamp comprises a movable arm and a second chuck, the second chuck is arranged below the movable arm, the inside of the hanger away from one end of the mounting groove is provided with an inner cavity, and the movable arm is movably matched with the inner cavity.

[0010] Further improvement lies in that a screw rod is rotatably arranged at the middle position of the inner cavity, the screw rod penetrates through the movable arm and is screwedly matched, the inside of the hanger at one end position of the inner cavity is provided with a driving cavity, a worm wheel is rotatably arranged at the middle position of the inside of the driving cavity, the worm wheel is connected with the screw rod, a worm is rotatably arranged in the inside of the driving cavity below the worm wheel and is matched with the worm wheel, and the worm is connected with the knob.

[0011] Further improvement lies in that guide rods are arranged at the upper and lower ends of the inner cavity and movably penetrate through the movable arm.

[0012] Further improvement lies in that the first chuck is matched with the second chuck, and steps are arranged in the inside of the first chuck and the second chuck.

[0013] The utility model discloses the beneficial effect is:

[0014] 1, the utility model discloses a rotating knob, drive driving part, with movable clamp moves close to fixed clamp, to hold the car hook product that needs to overhaul, through the lifting of the lifting ring, the lifting ring is pulled up, make the guide column go up along the guide groove, the guide column drives the one end of rotating arm to slide up, make the other end of rotating arm rotate down, thereby make the baffle block the inlay groove, avoid the mistaken collision operation of knob, prevent loosening.

[0015] 2, the utility model clamps, through the rotation of knob and drive the worm rotation, the worm drives the worm wheel rotation, make the screw rod rotation, drive movable arm and move along the guide rod, thereby make second chuck close to first chuck and hold the car hook product, adapt to different models of car hook, and the scope of application is wide. DRAWINGS

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the Figure 1 structure schematic view of A place;

[0018] Figure 3 The inner cavity of the utility model is shown in the figure.

[0019] Wherein: 1, hanging seat; 2, embedded groove; 3, knob; 4, mounting groove; 5, lifting ring; 6, guide groove; 7, guide column; 8, rotating arm; 9, baffle; 10, sliding groove; 11, protrusion; 12, fixed arm; 13, first chuck; 14, movable arm; 15, second chuck; 16, inner cavity; 17, screw rod; 18, driving cavity; 19, worm wheel; 20, worm; 21, guide rod. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiments, and the embodiments are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.

[0021] Embodiment one

[0022] According to Figure 1 , 2 , 3, the embodiment proposes a lifting anti-dropping tool for EMU car coupler product maintenance, which comprises a hanging seat 1, a fixed clamp and a movable clamp, the fixed clamp is arranged at one end of the hanging seat 1, the movable clamp is movably arranged at the other end of the hanging seat 1, and the movable clamp is driven to move through a driving member, an embedded groove 2 is arranged below one end of the front side of the hanging seat 1, and a knob 3 connected with the driving member is rotatably arranged in the embedded groove 2.

[0023] One end of the inside of the hanging seat 1 is provided with a mounting groove 4, and a lifting ring 5 is movably arranged in the inside of the mounting groove 4, guide grooves 6 are arranged on the hanging seat 1 at the front and rear positions of the mounting groove 4, guide columns 7 movably matched with the guide grooves 6 are arranged below the front and rear sides of the lifting ring 5, a rotating arm 8 is rotatably arranged at one end of the front side of the hanging seat 1, and one end of the rotating arm 8 is slidably connected with the guide column 7 of the front side, and the other end of the rotating arm 8 is provided with a baffle 9 matched with the embedded groove 2. When in use, the knob 3 is rotated to drive the driving member, so that the movable clamp moves close to the fixed clamp to clamp the car coupler product to be maintained, and the lifting ring 5 is lifted to make the guide column 7 move upward along the guide groove 6, the guide column 7 drives the one end of the rotating arm 8 to slide upward, the other end of the rotating arm 8 is rotated downward, so that the baffle 9 blocks the embedded groove 2, avoiding the accidental collision operation of the knob 3, and preventing loosening.

[0024] The end inside the rotating arm 8 is provided with a sliding groove 10, and the front side of the guide column 7 is provided with a protrusion 11 which is slidably matched with the sliding groove 10. When lifting, the lifting ring 5 is pulled up, so that the guide column 7 moves upward along the guide groove 6, and through the sliding action of the protrusion 11 and the sliding groove 10, the guide column 7 drives the one end of the rotating arm 8 to slide upward, so that the other end of the rotating arm 8 rotates downward, so that the baffle 9 blocks the embedded groove 2, avoiding the misoperation of colliding with the knob 3.

[0025] Embodiment two

[0026] According to Figure 1 、 2 , 3, the embodiment provides a lifting anti-falling tool for overhauling a motor train vehicle coupler product, which comprises a lifting seat 1, a fixed clamp and a movable clamp, the fixed clamp is arranged at one end of the lifting seat 1, the movable clamp is movably arranged at the other end of the lifting seat 1, and the movable clamp is driven to move through a driving member, a knob 3 connected with the driving member is rotatably arranged in the embedded groove 2 arranged below the front end of the lifting seat 1.

[0027] One end inside the lifting seat 1 is provided with a mounting groove 4, and a lifting ring 5 is movably arranged in the mounting groove 4, guide grooves 6 are arranged on the lifting seat 1 at the front and rear positions of the mounting groove 4, guide columns 7 which are movably matched with the guide grooves 6 are arranged below the lifting ring 5 at the front and rear positions, a rotating arm 8 is rotatably arranged at one end of the front side of the lifting seat 1, one end of the rotating arm 8 is slidably connected with the guide column 7 of the front side, and a baffle 9 matched with the embedded groove 2 is arranged at the other end of the rotating arm 8. When in use, the movable clamp is moved to be close to the fixed clamp by rotating the knob 3 and driving the driving member, so as to clamp the coupler product which needs to be overhauled, and the lifting ring 5 is used for lifting, when lifting, the lifting ring 5 is pulled up, so that the guide column 7 moves upward along the guide groove 6, the guide column 7 drives the one end of the rotating arm 8 to slide upward, so that the other end of the rotating arm 8 rotates downward, so that the baffle 9 blocks the embedded groove 2, avoiding the misoperation of colliding with the knob 3, and preventing loosening.

[0028] The fixed clamp comprises a fixed arm 12 fixed to the inside of the mounting groove 4 by bolts and a first chuck 13 connected below the fixed arm 12. The movable clamp comprises a movable arm 14 and a second chuck 15 arranged below the movable arm 14. The inside of the pendant 1 is provided with an inner cavity 16 at the end away from the mounting groove 4, and the movable arm 14 is movably fitted with the inner cavity 16. A screw rod 17 is rotatably arranged at the middle position of the inner cavity 16, and the screw rod 17 penetrates through the movable arm 14 and is screw-fitted. The inside of the pendant 1 is provided with a driving cavity 18 at one end position of the inner cavity 16, and a worm wheel 19 is rotatably arranged at the middle position of the inside of the driving cavity 18. The worm wheel 19 is connected with the screw rod 17. A worm 20 matched with the worm wheel 19 is rotatably arranged at the lower position of the inside of the driving cavity 18, and the worm 20 is connected with the knob 3. The inside of the upper and lower ends of the inner cavity 16 is provided with a guide rod 21 movably penetrating through the movable arm 14. The first chuck 13 is matched with the second chuck 15, and the inside of the first chuck 13 and the second chuck 15 is provided with a step. When clamping, the knob 3 is rotated to drive the worm 20 to rotate, the worm 20 drives the worm wheel 19 to rotate, the screw rod 17 is rotated, the movable arm 14 is driven to move along the guide rod 21, so that the second chuck 15 approaches the first chuck 13 to clamp the drawbar product. The self-locking action of the worm wheel 19 and the worm 20 is used for stable clamping, different models of drawbars are matched, and the application range is wide.

[0029] The motor train unit drawbar product overhauling hoisting anti-falling tool drives the movable clamp to move close to the fixed clamp by rotating the knob 3, so that the drawbar product to be overhauled is clamped, and the drawbar product is hoisted by the lifting ring 5. When the drawbar product is lifted, the lifting ring 5 is pulled up, the guide column 7 moves upward along the guide groove 6, the guide column 7 drives the one end of the rotating arm 8 to slide upward, the other end of the rotating arm 8 rotates downward, so that the baffle 9 blocks the embedded groove 2, the knob 3 is prevented from being mistakenly collided and loosened. When clamping, the knob 3 is rotated to drive the worm 20 to rotate, the worm 20 drives the worm wheel 19 to rotate, the screw rod 17 is rotated, the movable arm 14 is driven to move along the guide rod 21, so that the second chuck 15 approaches the first chuck 13 to clamp the drawbar product, different models of drawbars are matched, and the application range is wide.

[0030] The basic principle, main features and advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and the description in the specification only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lifting anti-falling tool for EMU coupler product maintenance, comprising a lifting seat (1), a fixed clamp and a movable clamp, characterized in that: The fixed clamp is arranged at one end of the hanging seat (1), the movable clamp is movably arranged at the other end of the hanging seat (1), and the movable clamp is driven to move by the driving member, a recess (2) is arranged below one end of the front side of the hanging seat (1), and a knob (3) connected with the driving member is rotatably arranged in the recess (2). One end of the inside of the hanging seat (1) is provided with a mounting groove (4), and a lifting ring (5) is movably arranged in the mounting groove (4), guide grooves (6) are arranged on the hanging seat (1) at positions on the front and rear sides of the mounting groove (4), guide columns (7) movably matched with the guide grooves (6) are arranged below the front and rear sides of the lifting ring (5), a rotating arm (8) is rotatably arranged at one end of the front side of the hanging seat (1), and one end of the rotating arm (8) is slidably connected with the guide column (7) on the front side, and the other end of the rotating arm (8) is provided with a baffle (9) matched with the recess (2).

2. The lifting anti-falling tool for overhauling a multiple unit vehicle coupling product according to claim 1, characterized in that: One end of the inside of the rotating arm (8) is provided with a sliding groove (10), and a protrusion (11) slidably matched with the sliding groove (10) is arranged on the guide column (7) on the front side.

3. The lifting anti-falling tool for overhauling a multiple unit vehicle coupling product according to claim 1, characterized in that: The fixed clamp comprises a fixed arm (12) and a first chuck (13), the fixed arm (12) is fixedly arranged in the inside of the mounting groove (4) through bolts, and the first chuck (13) is connected below the fixed arm (12).

4. The lifting anti-falling tool for overhauling a multiple unit vehicle coupling product according to claim 3, characterized in that: The movable clamp comprises a movable arm (14) and a second chuck (15), the second chuck (15) is arranged below the movable arm (14), one end of the inside of the hanging seat (1) away from the mounting groove (4) is provided with an inner cavity (16), and the movable arm (14) is movably matched with the inner cavity (16).

5. The lifting anti-falling tool for overhauling a multiple unit train car coupler product according to claim 4, characterized in that: A screw rod (17) is rotatably arranged at the middle position of the inside of the inner cavity (16), and the screw rod (17) penetrates the movable arm (14) and is threadedly matched, a driving cavity (18) is arranged in the inside of the hanging seat (1) at one end position of the inner cavity (16), a worm wheel (19) is rotatably arranged at the middle position of the inside of the driving cavity (18), the worm wheel (19) is connected with the screw rod (17), a worm (20) matched with the worm wheel (19) is rotatably arranged in the inside of the driving cavity (18) at the lower position of the worm wheel (19), and the worm (20) is connected with the knob (3).

6. The lifting anti-falling tool for inspecting and repairing a motor train unit coupling product according to claim 5, characterized in that: Guide rods (21) are arranged in the upper and lower ends of the inside of the inner cavity (16) and movably penetrate the movable arm (14).

7. The lifting anti-falling tool for inspecting and repairing a motor train unit coupling product according to claim 6, characterized in that: The first chuck (13) is matched with the second chuck (15), and steps are arranged in the insides of the first chuck (13) and the second chuck (15).

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