Double-hook synchronous self-propelled mechanism

Abstract

The utility model provides a double-hook synchronous self-propelled mechanism, which relates to the technical field of cranes and comprises a crane, a lifting piece is arranged at the lower end of the crane, a sliding seat is fixedly connected to the upper end of the crane, two groups of organ-type sheaths are sleeved on the outer side of a guide rail, the organ-type sheaths are detachably connected to the left side and the right side of the sliding seat, and each organ-type sheath comprises two groups of half sheath bodies. A first bolt connecting piece is arranged between the half sleeve body and the sliding base, and a second bolt connecting piece is arranged at the other end of the half sleeve body and fixedly connected to the left end and the right end of the guide rail. The organ type protective sleeve arranged on the outer side of the guide rail in a sleeving mode can protect the sliding base and the guide rail without affecting left-right movement of the sliding base along the guide rail, particulate matter cannot enter the matching position of the sliding base and the guide rail, the service life of the self-walking mechanism is prolonged, and the stability of the self-walking mechanism is improved. The organ-type sheath adopts a split type design, when the organ-type sheath is taken down from the sliding seat, the fixation among the four groups of half sheath bodies, the guide rail and the sliding seat is released, and the replacement and the maintenance are convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a crane technical field especially relates to a double hook synchronous self -walking mechanism. BACKGROUND

[0002] In the process of steel wire rope hoist lifting, a heavy object will be lifted. The hoist usually has a lifting hook connected, when the lifting hook lifts the heavy object, the gravity of the heavy object will only be applied to one electric hoist, when the forces on both ends of the heavy object are not the same, because the force on one side is concentrated. In the process of slow lifting of the lifting hook, the heavy object and the lifting hook will sway under the action of external force, thereby causing instability in the transportation process, so some lifting devices with double hook lifting function appear on the market.

[0003] As the Chinese patent with the application number CN202220503585.9, a super-high lift steel wire rope electric hoist is disclosed, which comprises a connecting beam, a running hanger, a running motor, a drive roller, a first lifting box, a first lifting motor, a first lifting spool, a second lifting box, a second lifting motor, a second lifting spool, a balance wheel, a lifting hook guide wheel and a lifting hook. Its high-lift scheme is realized by adopting a double-spool double-splicing structure, which improves the rope capacity of the machine body and realizes a lifting height of more than 30 meters. Through special rope winding design, a steel wire rope ratio of 4 / 2 is realized, the lifting hook device is horizontally self-adjusted through balance wheel design, the influence of motor synchronization performance is overcome, and stable operation is ensured. However, since the lifting equipment is often used outdoors or in the working area, the dust content in the environment is high, and in a long time of use, a large amount of dust will adhere to the guide rail on the top of the crane, when the electric hoist runs along the guide rail, the dust adhering to the guide rail will aggravate the wear between the drive roller and the guide rail, affecting the service life of the electric hoist. UTILITY MODEL CONTENTS

[0004] In view of the above problems, the utility model provides a double hook synchronous self -walking mechanism, the guide rail outside of the self -walking mechanism is sleeved with an organ type sheath, the organ type sheath can protect the slide and the guide rail while not affecting the left and right movement of the slide along the guide rail, and the particulate matter cannot enter the matching part of the slide and the guide rail, thereby improving the service life and stability of the self -walking mechanism.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a double hook synchronous self -walking mechanism, comprising a crane, a lifting member is arranged at the lower end of the crane, a slide is fixedly connected to the upper end of the crane, and the slide is slidably connected to the guide rail;

[0006] Two organ type sheaths are sleeved outside the guide rail, and the organ type sheaths are detachably connected to the left and right sides of the slide;

[0007] The accordion type protective sleeve comprises two groups of half sleeve bodies, which are arranged on the front and back sides of the guide rail, a first bolt connecting piece is arranged between the half sleeve body and the sliding base, a second bolt connecting piece is arranged at the other end of the half sleeve body, and the second bolt connecting piece is fixedly connected to the left and right ends of the guide rail.

[0008] Further improvement lies in that the lifting motor is fixedly connected to the lower end of the crane, and the power end of the lifting motor is fixedly connected to the two groups of hooks through the two groups of cables.

[0009] Further improvement lies in that the first bolt connecting piece comprises a first bolt plate and a first fixed frame, the first bolt plate is fixedly connected to one end of the guide rail, the first fixed frame is fixedly connected to the end of the half sleeve body away from the sliding base, a plurality of fixed bolts are threadedly connected to the first bolt plate, and a plurality of bolt holes matched with the fixed bolts are formed in the first fixed frame.

[0010] Further improvement lies in that the second bolt connecting piece comprises a second bolt plate and a second fixed frame, the second bolt plate is fixedly connected to the left and right sides of the sliding base, the second fixed frame is fixedly connected to the end of the half sleeve body close to the sliding base, a plurality of fixed bolts are threadedly connected to the second bolt plate, and a plurality of bolt holes matched with the fixed bolts are formed in the second fixed frame.

[0011] Further improvement lies in that the fixed bolt comprises a bolt body, a bolt head is arranged at one end of the bolt body, a nut is arranged at the other end of the bolt body, the bolt head is fixedly connected to the bolt body, and the nut is sleeved outside the bolt body and is threadedly connected to the bolt body.

[0012] Further improvement lies in that the nut and the bolt head are both provided with a gasket, and the gasket is sleeved outside the bolt body.

[0013] Further improvement lies in that a guide groove is arranged between the two groups of half sleeve bodies adjacent to each other in front and back, the guide groove is formed in the top of the guide rail, and the guide groove is in a V shape and extends to the left and right ends of the guide rail.

[0014] Further improvement lies in that a plurality of drainage holes are formed in the bottom of the guide groove, and the drainage holes pass through the upper and lower ends of the guide rail.

[0015] The guide rail outside is sleeved with the accordion type protective sleeve, the accordion type protective sleeve can protect the sliding base and the guide rail without affecting the left and right movement of the sliding base along the guide rail, the particulate matter cannot enter the matching part of the sliding base and the guide rail, and the service life and stability of the self-propelled mechanism are improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural diagram of the sliding base in the utility model.

[0017] Figure 2 is the structure diagram of the half sleeve body and the guide rail after being split in the utility model.

[0018] Figure 3 is the structure diagram of the guide rail in the utility model.

[0019] Figure 4 is the structure diagram of the bolt body in the utility model.

[0020] Wherein: 1, the crane; 2, sliding seat; 3, lifting motor; 4, lifting hook; 5, cable; 6, guide rail; 7, organ type sheath; 8, drain hole; 9, first bolt plate; 10, second bolt plate; 11, half sleeve body; 12, first fixed frame; 13, second fixed frame; 14, fixed bolt; 15, bolt body; 16, bolt head; 17, nut; 18, gasket; 19, flow guide groove. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the utility model, the utility model will be further described in conjunction with the embodiment below, and the embodiment is only used to explain the utility model and does not constitute the limitation of the protection scope of the utility model.

[0022] According to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 The embodiment proposes a double-hook synchronous self-moving mechanism, including the crane 1, the crane 1 lower end is equipped with the hoisting piece, the crane 1 upper end is fixedly connected with the sliding seat 2, the sliding seat 2 is slidably connected on the guide rail 6.

[0023] The crane 1 hoists the heavy object through the hoisting piece, the sliding seat 2 supports the crane 1 to move along the guide rail 6, the inner side of the sliding seat 2 is equipped with the guide wheel group, the guide wheel group cooperates with the sliding groove opened on the left and right sides of the guide rail 6, about the horizontal movement of the sliding seat 2, here will not be too much explained.

[0024] The outer side of the guide rail 6 is equipped with two groups of organ type sheaths 7, and the organ type sheaths 7 are detachably connected on the left and right sides of the sliding seat 2.

[0025] The organ type sheath 7 includes two groups of half sleeve bodies 11, and the two groups of half sleeve bodies 11 are covered on the front and rear sides of the guide rail 6, and the first bolt connecting piece is arranged between the half sleeve body 11 and the sliding seat 2, and the second bolt connecting piece is arranged at the other end of the half sleeve body 11, and the second bolt connecting piece is fixedly connected on the left and right ends of the guide rail 6.

[0026] The organ type sheath 7 outside the guide rail 6 can protect the slide 2 and the guide rail 6 without affecting the left and right movement of the slide 2 along the guide rail 6, and the particulate matter cannot enter the matching part of the slide 2 and the guide rail 6, thereby improving the service life and stability of the self-propelled mechanism. The organ type sheath 7 is designed in a split type, and when the organ type sheath 7 is removed from the slide 2, the fixing between the four groups of half sleeve bodies 11, the guide rail 6 and the slide 2 is released, so that the replacement and maintenance are convenient.

[0027] More specifically, the lifting member includes a lifting motor 3 and two groups of hooks 4, the lifting motor 3 is fixedly connected to the lower end of the crane 1, and the power end of the lifting motor 3 is fixedly connected to the two groups of hooks 4 through two groups of cables 5. The self-propelled mechanism adopts a double-hook synchronous design, which will not be described in detail here.

[0028] Regarding the first bolt connecting piece:

[0029] The first bolt connecting piece includes a first bolt plate 9 and a first fixed frame 12, the first bolt plate 9 is fixedly connected to one end of the guide rail 6, and the first fixed frame 12 is fixedly connected to the end of the half sleeve body 11 away from the slide 2, a plurality of fixed bolts 14 are threadedly connected to the first bolt plate 9, and a plurality of bolt holes matched with the fixed bolts 14 are formed in the first fixed frame 12. When the fixing between the half sleeve body 11 and the guide rail 6 is released, the fixed bolts 14 on the first bolt plate 9 are rotated out of the bolt holes in the first fixed frame 12.

[0030] Regarding the second bolt connecting piece:

[0031] The second bolt connecting piece includes a second bolt plate 10 and a second fixed frame 13, the second bolt plate 10 is fixedly connected to the left and right sides of the slide 2, and the second fixed frame 13 is fixedly connected to the end of the half sleeve body 11 close to the slide 2, a plurality of fixed bolts 14 are threadedly connected to the second bolt plate 10, and a plurality of bolt holes matched with the fixed bolts 14 are formed in the second fixed frame 13. When the fixing between the half sleeve body 11 and the slide 2 is released, the fixed bolts 14 on the second bolt plate 10 are rotated out of the bolt holes in the second fixed frame 13.

[0032] It is worth noting that the fixed bolts 14 each include a bolt body 15, one end of the bolt body 15 is provided with a bolt head 16, the other end of the bolt body 15 is provided with a nut 17, the bolt head 16 is fixedly connected to the bolt body 15, the nut 17 is sleeved outside the bolt body 15, and the bolt body 15 is threadedly connected to the nut 17. After the bolt body 15 is completely rotated into the bolt holes in the first bolt plate 9, the second bolt plate 10, the first fixed frame 12 and the second fixed frame 13, the nut 17 is tightened, and the first bolt plate 9 and the first fixed frame 12, the second bolt plate 10 and the second fixed frame 13 are fixedly fixed by the cooperation of the nut 17 and the bolt head 16.

[0033] The contact area between the nut 17 and the bolt head 16 and the connecting plate is usually small, which can cause excessive local pressure and increase the risk of loosening or damage. In the preferred embodiment, a gasket 18 is provided on the side of the nut 17 and the bolt head 16, which is sleeved outside the bolt body 15. By providing a gasket 18 between the two, the contact area can be significantly increased, the pressure per unit area can be reduced, and the stability and safety of the bolt connection can be improved.

[0034] When it rains, rain falling on the top of the guide rail 6 will not flow into the half sleeve body 11 through the gap between the guide rail 6 and the half sleeve body 11. In the preferred embodiment, a flow guide groove 19 is provided between the two adjacent groups of half sleeve bodies 11, which is opened on the top of the guide rail 6 and extends to the left and right ends of the guide rail 6. The rain falling on the top of the guide rail 6 will directly flow into the flow guide groove 19 and be discharged outward from the two ends of the guide rail 6 along the flow guide groove 19, ensuring that there is no water accumulation in the accordion sheath 7.

[0035] In order to enhance the drainage effect of the accordion sheath 7, in the preferred embodiment, a plurality of drainage holes 8 are provided at the bottom of the flow guide groove 19, which penetrates the upper and lower ends of the guide rail 6. The accumulated water in the accordion sheath 7 will be discharged outward through the drainage holes 8, avoiding the accumulation of water in the accordion sheath 7.

[0036] The double-hook synchronous self-moving mechanism lifts the heavy object through the lifting member, and the sliding seat 2 supports the crane 1 to move along the guide rail 6. The accordion sheath 7 sleeved outside the guide rail 6 can protect the sliding seat 2 and the guide rail 6 without affecting the left and right movement of the sliding seat 2 along the guide rail 6, and the particulate matter cannot enter the matching part of the sliding seat 2 and the guide rail 6, thereby improving the service life and stability of the self-moving mechanism. The accordion sheath 7 is designed in a split type, and when the accordion sheath 7 is removed from the sliding seat 2, the fixation between the four groups of half sleeve bodies 11 and the guide rail 6 and the sliding seat 2 is released, so that the replacement and maintenance are convenient.

[0037] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A double-hook synchronous self-propelled mechanism, comprising a crane (1), a hoisting member being arranged at a lower end of the crane (1), and a sliding seat (2) being fixedly connected to an upper end of the crane (1), characterized in that: The sliding seat (2) is slidingly connected to the guide rail (6); The guide rail (6) is provided with two groups of accordion sheaths (7) on the outside, which are detachably connected to the left and right sides of the sliding seat (2); The accordion sheaths (7) include two groups of half sheaths (11), which are provided on the front and rear sides of the guide rail (6), and first bolt connecting pieces are arranged between the half sheaths (11) and the sliding seat (2), and second bolt connecting pieces are arranged at the other ends of the half sheaths (11) and fixedly connected to the left and right ends of the guide rail (6).

2. A dual hook synchronous self-propelled mechanism according to claim 1, characterized in that: The lifting member includes a lifting motor (3) and two groups of lifting hooks (4), the lifting motor (3) is fixedly connected to the lower end of the crane (1), and the power end of the lifting motor (3) is fixedly connected to the two groups of lifting hooks (4) through two groups of cables (5).

3. A dual hook synchronous self-propelled mechanism according to claim 1, characterized in that: The first bolt connecting piece includes a first bolt plate (9) and a first fixed frame (12), the first bolt plate (9) is fixedly connected to one end of the guide rail (6), the first fixed frame (12) is fixedly connected to one end of the half sheath (11) away from the sliding seat (2), a plurality of fixed bolts (14) are threadedly connected to the first bolt plate (9), and a plurality of bolt holes matched with the fixed bolts (14) are formed in the first fixed frame (12).

4. A dual hook synchronous self-propelled mechanism according to claim 3, characterized in that: The second bolt connecting piece includes a second bolt plate (10) and a second fixed frame (13), the second bolt plate (10) is fixedly connected to the left and right sides of the sliding seat (2), the second fixed frame (13) is fixedly connected to one end of the half sheath (11) close to the sliding seat (2), a plurality of fixed bolts (14) are threadedly connected to the second bolt plate (10), and a plurality of bolt holes matched with the fixed bolts (14) are formed in the second fixed frame (13).

5. A dual hook synchronous self-propelled mechanism according to claim 4, characterized in that: The fixed bolt (14) includes a bolt body (15), one end of the bolt body (15) is provided with a bolt head (16), the other end of the bolt body (15) is provided with a nut (17), the bolt head (16) is fixedly connected to the bolt body (15), the nut (17) is sleeved on the outside of the bolt body (15), and the bolt body (15) is threadedly connected to the nut (17).

6. A dual hook synchronous self-propelled mechanism according to claim 5, characterized in that: The nut (17) and the bolt head (16) are provided with gaskets (18) on the sides facing each other, and the gaskets (18) are sleeved on the outside of the bolt body (15).

7. A dual hook synchronous self-propelled mechanism according to claim 1, characterized in that: The guide grooves (19) are V-shaped and extend to the left and right ends of the guide rail (6).

8. A dual hook synchronous self-propelled mechanism according to claim 7, characterized in that: The bottom of the guide groove (19) is provided with a plurality of drainage holes (8), and the drainage holes (8) penetrate the upper and lower ends of the guide rail (6).

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