Internal combustion tamping pick with multiple shock absorption

By designing a multi-stage shock-absorbing structure in the internal combustion tamping pick, the problem of excessive vibration of the tamping pick in the prior art causes operator fatigue, achieving a lighter and simpler operating experience and higher usage efficiency.

CN222715718UActive Publication Date: 2025-04-04SHENYANG PUBLIC WORKS RAILWAY MASCH CO LTD
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Patent Information

Application Number
CN202420793839.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-17
Publication Date
2025-04-04
Estimated Expiration
2034-04-17

AI Technical Summary

Technical Problem

The existing tamping picks are too vibrating when the operator holds the handrail, which can easily cause fatigue of the operator.

Method used

A multi-shock-absorbing internal combustion tamping pick is designed. By installing a secondary shock absorber under the operating armrest and installing the upper body of the tamping pick at the bottom of the third-stage shock absorber, combined with the cooperation of the eccentric block and the transmission shaft, the multi-stage shock absorber effect is achieved.

Benefits of technology

It effectively reduces overall vibration, reduces operator fatigue, and improves the convenience of operation and maintenance of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an internal combustion tamping pick with multiple shock absorption, including an internal combustion engine, a pick head is installed below the upper body of the tamping pick, a transmission shaft is arranged below the internal combustion engine, and an eccentric block is installed below the transmission shaft. The utility model relates to the field of internal combustion tamping technology. Through the cooperation between the eccentric block, the transmission shaft and the secondary shock absorber, the tamping pick has a simple structure, light weight and convenient operation. The whole adopts an aluminum alloy material as a frame, and a separate wear-resistant pick head design. The internal combustion engine is used as the power, and the radial vibration force is generated by the high-speed rotation of the built-in multiple eccentric blocks, and the pick head is driven to vibrate at the same time. During operation, the pick head is inserted into the ballast of the roadbed, and the ballast is forced to be inserted into the bottom of the pillow through vibration to complete the tamping pick operation. At the same time, the operating handrail is subjected to seismic isolation treatment with the upper body of the tamping pick through multi-stage shock absorption. When the operator holds the handrail, the overall vibration is reduced while avoiding the fatigue of the operator.
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Description

Technical Field

[0001] The utility model relates to the technical field of internal combustion tamping, in particular to an internal combustion tamping pick with multiple shock absorption. Background Art

[0002] Tamping is a railway line operation that uses hydraulic or electric tamping equipment to compact the ballast at the bottom of the sleeper. Tamping keeps the ballast in a dense state, ensuring the correct left-right level and front-to-back height of the track, thereby improving the line quality.

[0003] As train speeds continue to increase, the cumulative deformation of the ballasted track bed accelerates. In order to meet the high smoothness and stability requirements of high-speed railways, frequent maintenance and tamping are required to maintain the geometry of the track, restore the line to a smooth and good state, and increase operation safety.

[0004] However, when an operator holds the handrail of the existing tamping pick, the overall vibration amplitude is too large, which easily causes fatigue to the operator. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an internal combustion tamping pick with multiple shock absorption, which solves the problem that the overall vibration amplitude of the prior tamping pick is too large when the operator holds the handrail, which easily causes fatigue to the operator.

[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a multiple shock-absorbing internal combustion tamping pick, including an internal combustion engine, an operating armrest is installed above the internal combustion engine, a secondary shock absorber is installed below the operating armrest, a third shock absorber is installed at the bottom of the second shock absorber, a tamping pick upper body is installed at the bottom of the third shock absorber, a pick head is installed below the tamping pick upper body, a transmission shaft is arranged below the internal combustion engine, and an eccentric block is installed below the transmission shaft.

[0007] Preferably, the lower part of the internal combustion engine is mounted to the upper part of the transmission shaft via two rubber couplings.

[0008] Preferably, a circular plate is installed on the outer side of the transmission shaft, an annular plate is attached to the bottom of the circular plate, and the outer side of the annular plate is fixedly connected to the inner side of the upper body of the tamping pick.

[0009] Preferably, a battery is installed on the top of the annular plate, and the top of the battery is electrically connected to a first copper ring through a wire, a first straight cylinder is fixedly connected to the outer side of the first copper ring through an insulator, the outer side of the first straight cylinder is fixedly connected to the inner side of the upper body of the tamping pick, a second straight cylinder is movably connected to the inner side of the first straight cylinder, the bottom of the second straight cylinder is fixedly connected to the top of the circular plate, a second copper ring is fixedly connected to the inner side of the second straight cylinder through an insulator, an indicator light is electrically connected to the top of the second copper ring through a wire, a round hole is processed on the outer side of the upper body of the tamping pick, and the inner side of the round hole is glued to the outer side of the indicator light.

[0010] Preferably, a handle cover is installed on the outer side of the operating armrest.

[0011] Beneficial Effects

[0012] The utility model provides an internal combustion tamping pick with multiple shock absorption. It has the following beneficial effects: the internal combustion tamping pick with multiple shock absorption is simple in structure, light in weight, easy to operate, and uses an aluminum alloy frame as the whole, with a separate wear-resistant pick head design, and uses an internal combustion engine as the power. The radial vibration force is generated by the high-speed rotation of multiple built-in eccentric blocks, and the pick head is driven to vibrate at the same time. During operation, the pick head is inserted into the ballast of the roadbed, and the ballast is forced to be inserted into the bottom of the pillow through vibration to complete the tamping pick operation. At the same time, the operating handrail is isolated from the upper body of the tamping pick through multi-stage shock absorption. When the operator holds the handrail, the overall vibration is reduced and the fatigue of the operator is avoided.

[0013] Through the coordination among the battery, the first straight cylinder and the wire, it is possible to monitor whether the transmission shaft has lateral deviation, ensure the axis alignment and save maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is the structural schematic diagram of the eccentric block;

[0016] Figure 3 It is a schematic diagram of the structure of the eccentric block, the transmission shaft and the rubber coupling;

[0017] Figure 4 It is a structural schematic diagram of the operating handrail;

[0018] Figure 5 This is a schematic diagram of the structure of a pickaxe head;

[0019] Figure 6 is a schematic diagram of the structure of the second copper ring, the first copper ring and the annular plate;

[0020] Figure 7 for Figure 6Schematic diagram of the structure of the medium battery, the first straight cylinder and the wire.

[0021] In the figure: 1, casing, 2, operating armrest, 3, secondary shock absorber, 4, tertiary shock absorber, 5, tamping pick upper body, 6, pick head, 7, eccentric block, 8, transmission shaft, 9, rubber coupling, 10, indicator light, 11, second copper ring, 12, first copper ring, 13, annular plate, 14, circular plate, 15, battery, 16, first straight cylinder, 17, second straight cylinder, 18, round hole, 19, wire, 20, insulator. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] When an operator holds the handrail of an existing tamping pick, the overall vibration amplitude is too large, which easily causes fatigue to the operator.

[0024] In view of this, a multiple shock-absorbing internal combustion tamping pick is provided. Through the cooperation between the eccentric block, the transmission shaft and the secondary shock absorber, the tamping pick has a simple structure, light weight and easy operation. The overall frame is made of aluminum alloy and the pick head is designed with a separate wear-resistant pick head. The internal combustion engine is used as the power. The radial vibration force is generated by the high-speed rotation of the built-in multiple eccentric blocks, and the pick head is driven to vibrate at the same time. During operation, the pick head is inserted into the ballast of the roadbed, and the ballast is forced to be inserted into the bottom of the pillow through vibration to complete the tamping pick operation. At the same time, the operating handrail is seismically isolated from the upper body of the tamping pick through multi-stage shock absorption. When the operator holds the handrail, the overall vibration is reduced and the operator's fatigue is avoided.

[0025] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.

[0026] Embodiment 1: Figure 1-5 It can be seen that a multiple shock-absorbing internal combustion tamping pick comprises an internal combustion engine 1, an operating handrail 2 is installed above the internal combustion engine 1, a secondary shock absorber 3 is installed below the operating handrail 2, a tertiary shock absorber 4 is installed at the bottom of the secondary shock absorber 3, a tamping pick upper body 5 is installed at the bottom of the tertiary shock absorber 4, a pick head 6 is installed below the tamping pick upper body 5, the pick head 6 is welded with a high wear-resistant material, and is fastened to the tamping pick upper body 5 through screws at the opening, a transmission shaft 8 is arranged below the internal combustion engine 1, and an eccentric block 7 is installed below the transmission shaft 8;

[0027] In the specific implementation process, it is worth pointing out that the operating handrail 2 is made of high-strength aluminum alloy tube bending, and there are base plates around the bottom for installing the secondary shock absorber 3. A mounting plate is arranged between the tertiary shock absorber 4 and the upper body 5 of the tamping pick, and the two are connected through the mounting plate. The operation of the internal combustion engine 1 drives the transmission shaft 8 and the built-in multiple high-speed rotating eccentric blocks 7 to generate radial vibration force, and at the same time drives the pick head 6 to vibrate;

[0028] Furthermore, the lower part of the internal combustion engine 1 is mounted to the upper part of the transmission shaft 8 via two rubber couplings 9;

[0029] In the specific implementation process, it is worth pointing out that the rubber coupling 9 can compensate for the misalignment of the two axes and can also achieve a seismic isolation effect;

[0030] Furthermore, a circular plate 14 is installed on the outer side of the transmission shaft 8, and an annular plate 13 is attached to the bottom of the circular plate 14, and the outer side of the annular plate 13 is fixedly connected to the inner side of the tamping pick upper body 5;

[0031] In the specific implementation process, it is worth pointing out that the circular plate 14 is attached to the annular plate 13 to prevent the transmission shaft from lateral deviation;

[0032] Specifically, when using the internal combustion tamping pick with multiple shock absorption, through the cooperation between the eccentric block 7, the transmission shaft 8 and the secondary shock absorber 3, the tamping pick has a simple structure, light weight, and is easy to operate. The overall frame is made of aluminum alloy and is designed with a separate wear-resistant pick head 6. It is powered by an internal combustion engine 1 and generates radial vibration force through the high-speed rotation of the built-in multiple eccentric blocks 7, which drives the pick head 6 to vibrate at the same time. During operation, the pick head 6 is inserted into the ballast of the roadbed, and the ballast is forced to be inserted into the bottom of the pillow through vibration to complete the tamping pick operation. At the same time, the operating handrail 2 is seismically isolated from the tamping pick upper body 5 through multi-stage shock absorption. When the operator holds the handrail, the overall vibration is reduced and the operator's fatigue is avoided.

[0033] Embodiment 2: By Figure 1 , 6As can be seen from Figure 7, a battery 15 is installed on the top of the annular plate 13, and the top of the battery 15 is electrically connected to the first copper ring 12 through a wire 19. The outer side of the first copper ring 12 is fixedly connected to the first straight cylinder 16 through an insulator 20. The outer side of the first straight cylinder 16 is fixedly connected to the inner side of the tamping pick upper body 5. The inner side of the first straight cylinder 16 is movably connected to the second straight cylinder 17. The bottom of the second straight cylinder 17 is fixedly connected to the top of the circular plate 14. The inner side of the second straight cylinder 17 is fixedly connected to the second copper ring 11 through an insulator 20. The insulator 20 does not affect the conductivity of the first copper ring 12 and the second copper ring 11. The upper side of the second copper ring 11 is electrically connected to the indicator light 10 through a wire 19. A round hole 18 is processed on the outer side of the tamping pick upper body 5, and the inner side of the round hole 18 is glued to the outer side of the indicator light 10.

[0034] In the specific implementation process, it is worth pointing out that the first copper ring 12 and the second copper ring 11 are non-closed designs, and the distance between the first copper ring 12 and the second copper ring 11 is designed according to needs. When the first copper ring 12 and the second copper ring 11 are in contact (that is, the transmission shaft 8 deviates sideways), a passage is formed between the battery 15 and the indicator light 10, and the lit indicator light 10 can remind the user to inspect the transmission shaft 8;

[0035] Furthermore, a handle cover is installed on the outer side of the operating armrest 2;

[0036] In the specific implementation process, it is worth pointing out that the handle cover improves the comfort of the user when grasping the operating armrest 2 and reduces some vibrations;

[0037] Specifically, on the basis of the first embodiment, the battery 15, the first straight cylinder 16 and the wire 19 cooperate to monitor whether the transmission shaft 8 is laterally deviated, ensure the axis alignment, and save maintenance costs.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0039] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-vibration damping internal combustion tamping pick, comprising an internal combustion engine (1), characterized in that: An operating armrest (2) is installed above the internal combustion engine (1), a secondary shock absorber (3) is installed below the operating armrest (2), a tertiary shock absorber (4) is installed at the bottom of the secondary shock absorber (3), a tamping pick upper body (5) is installed at the bottom of the tertiary shock absorber (4), a tamping pick head (6) is installed below the tamping pick upper body (5), a transmission shaft (8) is arranged below the internal combustion engine (1), and an eccentric block (7) is installed below the transmission shaft (8).

2. A multi-vibration-absorbing internal combustion tamping pick according to claim 1, characterized in that: The lower part of the internal combustion engine (1) is mounted on the upper part of the transmission shaft (8) via two rubber couplings (9).

3. A multi-vibration-absorbing internal combustion tamping pick according to claim 2, characterized in that: A circular plate (14) is installed on the outer side of the transmission shaft (8), an annular plate (13) is attached to the bottom of the circular plate (14), and the outer side of the annular plate (13) is fixedly connected to the inner side of the tamping pick upper body (5).

4. A multi-vibration-absorbing internal combustion tamping pick according to claim 3, characterized in that: A storage battery (15) is installed on the top of the annular plate (13). The top of the storage battery (15) is electrically connected to a first copper ring (12) via a wire (19). The outer side of the first copper ring (12) is fixedly connected to a first straight cylinder (16) via an insulator (20). The outer side of the first straight cylinder (16) is fixedly connected to the inner side of the upper body (5) of the tamping pick. The inner side of the first straight cylinder (16) is movably connected to a second straight cylinder (17). The bottom of the second straight cylinder (17) is fixedly connected to the top of the circular plate (14). The inner side of the second straight cylinder (17) is fixedly connected to a second copper ring (11) via an insulator (20). The upper side of the second copper ring (11) is electrically connected to an indicator light (10) via a wire (19). A round hole (18) is processed on the outer side of the upper body (5) of the tamping pick. The inner side of the round hole (18) is glued to the outer side of the indicator light (10).

5. The multi-vibration-absorbing internal combustion tamping pick according to claim 1, characterized in that: A handle sleeve is installed on the outer side of the operating armrest (2).

Citation Information

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