Fine-tuning tensioning mechanism for railway transport draw rope

Abstract

The application discloses a kind of equipment railway transport pull towrope fine tuning tensioning mechanism, including long chain ring assembly, adjusting assembly, detection label, double lifting hook assembly and hanging ring assembly, adjusting assembly includes shell, adjusting sleeve, drive assembly for providing driving force and two telescopic components;Drive assembly is fixedly connected with the outside surface of shell, drive assembly is communicated with the inner cavity of shell, drive assembly is engaged with adjusting sleeve, adjusting sleeve is rotatably connected with the inner wall of shell, the both ends of adjusting sleeve are respectively screwed with telescopic component, one telescopic component is detachably connected with long chain ring assembly, another telescopic component is rotatably connected with coarse adjustment lock catch, coarse adjustment lock catch is detachably connected with double lifting hook assembly by chain, double lifting hook assembly is detachably connected with hanging ring assembly, detection label is fixedly connected with chain.The application can realize that railway transport vehicle equipment is more time-saving and labor-saving, safe and reliable.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rigging, in particular to a fine-tuning tensioning mechanism for railway transport pull rope. BACKGROUND

[0002] Railway transportation has the outstanding characteristics of being fast and efficient, flexible and maneuverable, and is an important way of freight transportation, and plays an extremely important role and significance in realizing fast and long-distance freight transportation. With the increasing diversification of transportation tasks, the requirements for the carrying capacity of freight wagons, especially the safety carrying capacity, are becoming higher and higher. Using railway transport wheeled vehicles has become a safe and fast way. In recent years, China's railway development is very rapid, the scale of railway lines is continuously increasing, and the transportation capacity is becoming stronger and stronger. China will continue to improve domestic freight trains, and railway transportation will become an important support for China's emergency and fast transportation. However, the train carrying plate car does not have the design of fixed wheeled vehicles and other factors, and cannot meet the safety requirements of railway emergency transport wheeled vehicles, so the fine-tuning tensioning mechanism for railway transport pull rope is generally used to make the connection between the carried vehicle and the plate car stable and safe. The traditional structure is to use an adjusting ring to adjust the screw rod at both ends of the screw connection. In actual application, it is inconvenient to adjust in a narrow space, and the lateral force bearing capacity is poor.

[0003] The present application provides a fine-tuning tensioning mechanism for railway transport pull rope, which increases an electric adjusting assembly on the basis of the old fine-tuning tensioning mechanism for railway transport pull rope. The electric adjusting assembly adopts worm gear transmission, and a handheld electric adjuster can be used to drive the worm on the adjusting assembly to rotate, thereby controlling the fine-tuning tensioning mechanism for railway transport pull rope to tighten and loosen. SUMMARY

[0004] The present application aims to provide a fine-tuning tensioning mechanism for railway transport pull rope to solve the problems existing in the prior art, and to realize time-saving, labor-saving, safe and reliable railway transport vehicle equipment.

[0005] To achieve the above-mentioned purpose, the present application provides the following solutions:

[0006] The application discloses a fine-tuning tensioning mechanism for railway transportation pull rope, which comprises a long chain ring assembly, an adjusting assembly, a detection label, a double hook assembly and a hanging ring assembly, wherein the adjusting assembly comprises a shell, an adjusting sleeve, a driving assembly for providing driving force and two telescopic assemblies; the driving assembly is fixedly connected with the outer side of the shell and is communicated with the inner cavity of the shell; the driving assembly is engaged with the adjusting sleeve; the adjusting sleeve is rotationally connected with the inner wall of the shell; the two ends of the adjusting sleeve are respectively screwed with the telescopic assemblies; one of the telescopic assemblies is detachably connected with the long chain ring assembly; the other telescopic assembly is rotationally connected with a coarse adjustment lock buckle; the coarse adjustment lock buckle is detachably connected with the double hook assembly through a chain; the double hook assembly is detachably connected with the hanging ring assembly; and the detection label is fixedly connected with the chain.

[0007] Preferably, the driving assembly comprises a driving shell and a worm; the driving shell is fixedly connected with the shell and is communicated with the shell; the worm penetrates through the two side faces of the driving shell and is rotationally connected with the driving shell; the worm is engaged with the adjusting sleeve; and the end face of the worm is provided with a tap interface.

[0008] Preferably, a gear ring is arranged in the middle of the outer side of the adjusting sleeve; the adjusting sleeve is engaged with the worm through the gear ring; the inner cavity of the adjusting sleeve is provided with a thread; and the adjusting sleeve is screwed with the telescopic assembly through the thread; the two ends of the adjusting sleeve are rotationally connected with the shell through shaft sleeves.

[0009] Preferably, the telescopic assembly comprises a telescopic rod; one end of the telescopic rod is fixedly connected with a screw head; the other end of the telescopic rod is fixedly connected with a clamping seat; one end of the telescopic rod is screwed with the adjusting sleeve through the screw head; and the other end of the telescopic rod is detachably connected with the long chain ring assembly or the coarse adjustment lock buckle through the clamping seat.

[0010] Preferably, the side face of the telescopic rod is symmetrically provided with a limiting groove about the axis of the telescopic rod; the two ends of the shell are respectively provided with synchronous limiting pins; one end of the synchronous limiting pin penetrates through the shell and is arranged in the limiting groove; and the synchronous limiting pin is screwed with the shell.

[0011] Preferably, one end of the shell close to the chain is provided with an end cover; the outer side face of the end cover is fixedly connected with the side wall of the inner cavity of the shell; the synchronous limiting pin penetrates through the end cover; and the telescopic rod penetrates through the end face of the end cover and is slidingly connected with the end cover.

[0012] Preferably, the end cover comprises a first half cover and a second half cover; the first half cover and the second half cover are oppositely arranged; the side face, away from the shell, of the first half cover and the second half cover is fixedly connected with a flange; and the side face of the flange is matched with the end face of the shell.

[0013] Preferably, the chuck interface is internally threaded; and the chuck rod is externally threaded.

[0014] Preferably, the chuck interface is an internal hexagonal interface, and the chuck rod is a hexagonal prism rod.

[0015] Preferably, the shaft sleeve is a self-lubricating shaft sleeve.

[0016] The present application has the following technical effects:

[0017] The present application utilizes the driving assembly to realize the rotational adjustment of the adjusting sleeve, and then realizes the reverse action of the two telescopic assemblies, i.e. the telescopic adjustment of the two telescopic assemblies, so as to finally fine tune the distance between the long link assembly, the double hook assembly and the hanging ring assembly connected to the telescopic assembly, replace the traditional manual operation of the equipment railway transportation pull rope fine tuning tensioning mechanism, improve the safety and convenience of the railway transportation wheeled vehicle, promote the development of railway freight transportation, and improve the emergency transportation response speed. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings described below are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0019] Figure 1 It is a front view structural schematic diagram of the present application;

[0020] Figure 2 It is a top view structural schematic diagram of the adjusting assembly;

[0021] Figure 3 It is a Figure 2 A-A sectional view structural schematic diagram;

[0022] Figure 4 It is a Figure 3 B enlarged structural schematic diagram;

[0023] Figure 5 It is a Figure 2 B-B sectional view structural schematic diagram;

[0024] Figure 6 It is a side view structural schematic diagram of the adjusting sleeve;

[0025] The components include: 1. Long chain link assembly; 2. Inspection label; 3. Double hook assembly; 4. Hanging ring assembly; 5. Housing; 6. Adjusting sleeve; 7. Coarse adjustment lock; 8. Chain; 9. Drive housing; 11. Worm gear; 12. Bit interface; 13. Gear ring; 14. Bushing; 15. Telescopic rod; 16. Screw head; 17. Card seat; 18. Limiting groove; 19. Synchronous limiting pin; 20. First half cover; 21. Second half cover; 22. Flange; 23. Bit rod; 24. Motor. Detailed Implementation

[0026] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Depend on Figures 1-6 The illustrated railway transport traction rope fine-tuning tensioning mechanism includes a long chain ring assembly 1, an adjustment assembly, a detection sign 2, a double hook assembly 3, and a hanging ring assembly 4. The adjustment assembly includes a housing 5, an adjustment sleeve 6, a drive assembly providing driving force, and two telescopic assemblies. The housing 5 has a tubular structure. The drive assembly is fixedly connected to the outer side of the housing 5 and communicates with the inner cavity of the housing 5. The drive assembly meshes with the adjustment sleeve 6, which is rotatably connected to the inner wall of the housing 5. Both ends of the adjustment sleeve 6 are screwed to one end of the telescopic assembly. The other end of one telescopic assembly is detachably connected to the long chain ring assembly 1. The other end of the other telescopic assembly is rotatably connected to a coarse adjustment lock 7. The coarse adjustment lock 7 is detachably connected to the double hook assembly 3 via a chain 8. The double hook assembly 3 is detachably connected to the hanging ring assembly 4. The detection sign 2 is fixedly connected to the chain 8.

[0029] Furthermore, the long chain link assembly 1 is the main adjustable assembly; one end of the lifting chain is connected to one end of the worm gear type adjusting assembly, and one end of the large chain link is connected to the T-shaped iron of the drive mechanism (such as a freight flatcar). This is existing technology and will not be described in detail here.

[0030] Furthermore, the inspection tag 2 is an inspection component used to inspect the quality of the chain of the railway transport traction rope fine-tuning tensioning mechanism before and after use. Before and after use, the inspection tag is used to inspect the quality of the chain according to the instruction manual to determine whether the railway transport traction rope fine-tuning tensioning mechanism can operate safely. This is existing technology and will not be described in detail here.

[0031] Further, the double hook assembly 3 is connected to the bundled and reinforced wheeled vehicle assembly, one end of the double hook assembly 3 is connected to the driving mechanism through the ring assembly 4, and the other end of the double hook assembly 3 is connected to the adjustment assembly coarse adjustment lock. The double hook assembly 3 and the ring assembly 4 are both prior art, and will not be described here.

[0032] The present application realizes the rotation adjustment of the adjustment sleeve 6 through the driving assembly, and then realizes the reverse action of the telescopic assembly at both ends of the driving shell 5, realizes the telescopic adjustment of the two telescopic assemblies, and finally realizes the fine adjustment of the distance between the long chain ring assembly 1 and the double hook assembly 3 and the ring assembly 4 connected to the telescopic assembly, replacing the traditional manual operation of the railway transportation pull rope fine adjustment tensioning mechanism, improving the safety and convenience of the railway transportation wheeled vehicle, promoting the development of railway freight transportation, and improving the emergency transportation response speed.

[0033] Further optimization scheme, the driving assembly includes a driving shell 9 and a worm 11; the driving shell 9 is fixedly connected with the shell 5, and the inner cavity of the driving shell 9 is in communication with the inner cavity of the shell 5, the worm 11 penetrates through both sides of the driving shell 9 and is rotatably connected with the driving shell 9, the worm 11 is engaged with the adjustment sleeve 6, and one end face of the worm 11 is provided with a socket interface 12, the socket interface 12 can realize the rotation of the worm 11 by a manual wrench or a motorized wrench.

[0034] Further optimization scheme, a gear ring 13 is arranged in the middle of the outer side of the adjustment sleeve 6, the gear ring 13 is equivalent to a worm wheel matched with the worm 11, the adjustment sleeve 6 is engaged with the worm 11 through the gear ring 13, the rotation of the worm 11 drives the adjustment sleeve 6, a screw thread is arranged in the inner cavity of the adjustment sleeve 6, the adjustment sleeve 6 is screwed with the telescopic assembly, and both ends of the adjustment sleeve 6 are rotatably connected with the shell 5 through shaft sleeves 14. The shaft sleeve 14 is a self-lubricating shaft sleeve, which reduces the maintenance frequency of the present application.

[0035] Further optimization scheme, the telescopic assembly includes a telescopic rod 15, one end of the telescopic rod 15 is fixedly connected with a screw head 16, the other end of the telescopic rod 15 is fixedly connected with a clamping seat 17, one end of the telescopic rod 15 is screwed with the adjustment sleeve 6 through the screw head 16, the other end of the telescopic rod 15 is detachably connected with the long chain ring assembly 1 or the coarse adjustment lock 7 through the clamping seat 17, the clamping seat 17 is provided with a pin hole, and the clamping seat 17 is detachably connected with the long chain ring assembly 1 or the coarse adjustment lock 7 through the pin hole and a pin shaft.

[0036] Further optimization scheme, the side of the telescopic rod 15 is symmetrically provided with a limiting groove 18 about its axis; the housing 5 is respectively provided with a synchronous limiting pin 19 at both ends, one end of the synchronous limiting pin 19 penetrates through the housing 5 and is arranged in the limiting groove 18, the synchronous limiting pin 19 is screwed with the housing 5, the limiting groove 18 is added to the side of the telescopic rod 15, which can more conveniently realize the telescopic adjustment of the telescopic rod 15 through the driving adjusting sleeve 6, and the synchronous limiting pin 19 avoids the follow-up during the rotation of the adjusting sleeve 6.

[0037] Further optimization scheme, the housing 5 is provided with an end cover near one end of the chain 8, the outer side of the end cover is fixedly connected with the side wall of the inner cavity of the housing 5, the synchronous limiting pin 19 penetrates through the end cover, and the telescopic rod 15 penetrates through the end face of the end cover and is slidably connected with the end cover. The end cover can avoid the telescopic rod 15 on the side close to the double-hook assembly 3 from shaking during the traction process, causing the telescopic rod 15 to rub and bump against the inner wall of the adjusting sleeve 6, and avoid the damage of the two. The end cover comprises a first half cover 20 and a second half cover 21, which facilitates the installation of the end cover. The first half cover 20 and the second half cover 21 are oppositely arranged, and the side away from the housing 5 of the first half cover 20 and the second half cover 21 is fixedly connected with a flange 22, and one side of the flange 22 is in close contact with one end face of the housing 5.

[0038] Further optimization scheme, the head interface 12 is detachably connected with a head rod 23; the head rod 23 is detachably connected with a motor 24, and the motor 24 is screwed with the driving shell 9. The head interface 12 is a hexagonal interface, and the head rod 23 is a hexagonal prism rod.

[0039] The working process of the embodiment is as follows:

[0040] When tensioning operation is needed, first adjust the chain 8 to the maximum manually tensionable state by operating the coarse adjustment lock buckle 7, then insert a manual wrench into the head interface 12, rotate the worm 11 to realize the meshing and rotation of the gear ring 13 meshed with the worm 11, then realize the rotation of the adjusting sleeve 6, the inner wall of the adjusting sleeve 6 is threadedly connected with the screw head 16 at one end of the telescopic rod 15, finally realize the telescopic rod 15 to be driven to extend or retract, and the telescopic movement of the telescopic rod 15 in the adjusting sleeve 6 realizes the tensioning or loosening fine adjustment of the two-end chain.

[0041] In addition, in order to facilitate the driving of the adjusting sleeve 6, the motor 24 is fixedly connected with the side wall of the driving shell 9, and the rotation of the adjusting sleeve 6 is driven by the head rod 23 connected with the output shaft of the motor 24, which improves the tensioning efficiency of the present application. The present application also considers manual adjustment and motorized adjustment, which improves the adaptability of the field operation.

[0042] The synchronous limiting pin 19 is limited and matched with the limiting groove 18 arranged on the telescopic rod 15, so that the telescopic rod 15 cannot rotate and keeps one-way reciprocating motion; the limiting groove 18 has a certain stroke at the same time, when the telescopic rod 15 moves to the end surface position of one end of the limiting groove 18, the limiting groove 18 contacts with the synchronous limiting pin 19, so that the telescopic rod 15 cannot continue to move, to achieve the limiting effect.

[0043] The self-lubricating shaft sleeve 14 is arranged at both ends of the shell 5, so that the adjusting sleeve 6 rotates smoothly with the shell 5, and stable telescopic motion is realized.

[0044] In the description of the present application, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0045] The above-described embodiments are only used to describe the preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application shall fall within the protection scope of the present application.

Claims

1. An apparatus for fine tuning the tension of a draw gear cable for railway transportation, characterized in that, The fine tuning tensioning mechanism comprises a long chain ring assembly (1), an adjusting assembly, a detection label (2), a double hook assembly (3) and a hanging ring assembly (4), the adjusting assembly comprises a shell (5), an adjusting sleeve (6), a driving assembly for providing driving force and two telescopic assemblies; the driving assembly is fixedly connected with the outer side of the shell (5), the driving assembly is in communication with the inner cavity of the shell (5), the driving assembly is engaged with the adjusting sleeve (6), the adjusting sleeve (6) is rotatably connected with the inner wall of the shell (5), the two ends of the adjusting sleeve (6) are respectively screwed with the telescopic assemblies, one telescopic assembly is detachably connected with the long chain ring assembly (1), the other telescopic assembly is rotatably connected with a coarse adjustment lock buckle (7), the coarse adjustment lock buckle (7) is detachably connected with the double hook assembly (3) through a chain (8), the double hook assembly (3) is detachably connected with the hanging ring assembly (4), and the detection label (2) is fixedly connected with the chain (8). The driving assembly comprises a driving shell (9) and a worm (11); the driving shell (9) is fixedly connected with and in communication with the shell (5), the worm (11) penetrates through the two side faces of the driving shell (9) and is rotatably connected with the driving shell (9), the worm (11) is engaged with the adjusting sleeve (6), and one end face of the worm (11) is provided with a tap interface (12). A gear ring (13) is arranged in the middle of the outer side of the adjusting sleeve (6), the adjusting sleeve (6) is engaged with the worm (11) through the gear ring (13), a screw thread is arranged in the inner cavity of the adjusting sleeve (6), the adjusting sleeve (6) is screwed with the telescopic assemblies through the screw thread, and the two ends of the adjusting sleeve (6) are rotatably connected with the shell (5) through shaft sleeves (14). The telescopic assembly comprises a telescopic rod (15), one end of the telescopic rod (15) is fixedly connected with a screw head (16), the other end of the telescopic rod (15) is fixedly connected with a clamping seat (17), one end of the telescopic rod (15) is screwed with the adjusting sleeve (6) through the screw head (16), and the other end of the telescopic rod (15) is detachably connected with the long chain ring assembly (1) or the coarse adjustment lock buckle (7) through the clamping seat (17). The side face of the telescopic rod (15) is symmetrically provided with a limiting groove (18) about the axis thereof; the shell (5) is provided with synchronous limiting pins (19) at the two ends thereof, one end of the synchronous limiting pin (19) penetrates through the shell (5) and is arranged in the limiting groove (18), and the synchronous limiting pin (19) is screwed with the shell (5).

2. A fine adjustment tensioning mechanism for a railway transport draw rope according to claim 1, characterized in that: One end of the shell (5) close to the chain (8) is provided with an end cover, the outer side face of the end cover is fixedly connected with the inner cavity side wall of the shell (5), the synchronous limiting pin (19) penetrates through the end cover, and the telescopic rod (15) penetrates through the end face of the end cover and is slidably connected with the end cover.

3. A fine adjustment tensioning mechanism for a railway transport draw rope according to claim 2, characterized in that: The end cover comprises a first half cover (20) and a second half cover (21), the first half cover (20) and the second half cover (21) are oppositely arranged, and a flange (22) is fixedly connected to one side of the first half cover (20) and the second half cover (21) away from the shell (5), and one side of the flange (22) is in close contact with one end surface of the shell (5).

4. A fine adjustment tensioning mechanism for a railway transport draw rope according to claim 1, characterized in that: The batch head interface (12) is clamped with a batch head rod (23); the batch head rod (23) is detachably connected with a motor (24), and the motor (24) is bolted with the driving shell (9).

5. A fine adjustment tensioning mechanism for a railway transport draw rope according to claim 4, characterized in that: The batch head interface (12) is a hexagonal interface, and the batch head rod (23) is a hexagonal prism rod.

6. A fine adjustment tensioning mechanism for a railway haulage towrope according to claim 1, characterised in that: The shaft sleeve (14) is a self-lubricating shaft sleeve.

Images