WO2023075717A1 - Lock system for ground engaging wear parts of construction equipment - Google Patents
Lock system for ground engaging wear parts of construction equipment Download PDFInfo
- Publication number
- WO2023075717A1 WO2023075717A1 PCT/TR2021/051102 TR2021051102W WO2023075717A1 WO 2023075717 A1 WO2023075717 A1 WO 2023075717A1 TR 2021051102 W TR2021051102 W TR 2021051102W WO 2023075717 A1 WO2023075717 A1 WO 2023075717A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- retaining pin
- adapter
- point
- spring
- ground engaging
- Prior art date
Links
- 238000010276 construction Methods 0.000 title claims abstract description 20
- 238000011068 loading method Methods 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 4
- 238000009412 basement excavation Methods 0.000 abstract description 4
- 238000005065 mining Methods 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 abstract description 2
- 238000003892 spreading Methods 0.000 abstract description 2
- 230000007480 spreading Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/28—Small metalwork for digging elements, e.g. teeth scraper bits
- E02F9/2808—Teeth
- E02F9/2816—Mountings therefor
- E02F9/2833—Retaining means, e.g. pins
- E02F9/2841—Retaining means, e.g. pins resilient
Definitions
- the invention relates to a lock system which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes (mining, highway and dam projects, road construction, maintenance and repair, water canal construction, decoupage, soil excavation, loading and spreading, etc.) in the construction and building sector, wherein it enables impact-free assembly of ground engaging wear parts of construction equipment.
- the attachment is provided by positioning the adapter and point tip side by side and driving a pin with a sledgehammer to the junction of the adapter and point tip.
- This is one of the oldest techniques known in the art.
- driving the pin made of metal and its derivatives with the use of a sledgehammer not only requires extra labor but also threatens human health by extremely increasing the risk of occupational accidents.
- Other lock systems in the existing techniques require the use of many parts in the assembly process. This leads to additional loss of time and increased labor during assembly, as well as raising the possibility of mistakes and errors in the locking system. It, therefore, causes incorrect assembly.
- the elements of the locking systems of the existing applications are manufactured in a way that allows replacing them with new ones in each point change. Creating extra costs for the user, this practice also results in extra labor due to the need to disassemble the connecting parts that are damaged quickly.
- the point and adapter elements are generally fixed, locked, and unlocked by the pin in a vertical axis, and this increases the labor and time spent during assembly and disassembly.
- the invention relates to a lock system for ground engaging wear parts of construction equipment which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes in the construction and building sector.
- An objective of the present invention is to ensure the use of a lock system for ground engaging wear parts with a high-level safety in terms of occupational safety practices. It is also aimed to enable this high-level safety pin to perform the locking by being turned with a switch, totally impact-free.
- Another objective of the present invention is to ensure the use of a lock system having the high-resistant elements of point - adapter - retaining pin, as well as the utilization of this combination in both loader bucket and digger bucket.
- a further objective of the present invention is to ensure the use of the elements of point - adapter - retaining pin whose resistance is increased by application of heat treatment.
- Another objective of the present invention is to enable performing the assembly procedure easily and with a single move in the lock systems for ground engaging wear parts.
- a further objective of the present invention is to provide an increase in the physical life of the lock system which changes with the expired wear parts.
- Figure-1 It is a front perspective view of the point element.
- Figure-2 It is a rear perspective view of the point element.
- Figure-3 It is a perspective view of the adapter element.
- Figure-4 It is a side view of the adapter element.
- Figure-5 It is a view of the retaining pin element.
- Figure-6 It is a view of the smart segment element.
- Figure-7 It is a general view of the spring element.
- Figure-8 It is a view of the positioning of the smart segment and the spring.
- Figure-9 It is a view of the smart segment fitted onto the retaining pin.
- Figure-10 It is a view of the positioning of the smart segment on the retaining pin.
- Figure-11 It is a view of the final position of the smart segment upon rotating on the retaining pin.
- Figure-12 It is an exploded view of the adapter, retaining pin, and smart segment.
- Figure-13 It is a view of the positioning of the adapter, retaining pin, and smart segment.
- Figure-14 It is an exploded view of the lock system.
- Figure-15 It is a general view of the lock system in locked condition.
- the lock system of the invention is comprised of the main elements of a point (100), an adapter (200), a retaining pin (300), a smart segment (400), and a spring (500).
- the lock system of the present invention consists of the retaining pin (300) which is utilized to perform the locking function, is produced as wedge-shaped, and consists of a retaining pin latch bolt (320) which is used in the locking process and enables locking; the smart segment (400) which is positioned in a segment cavity of adapter (210) on the adapter (200) and is in contact with the retaining pin (300) by covering it around; the spring (500) which is positioned on the smart segment (400) and comes into contact with and remains on the retaining pin (300) by stretching with the movement received to the retaining pin (300) during locking.
- the retaining pin (300) has a spring cavity of retaining pin (310) where the spring (500) takes a corresponding position upon locking and a retaining pin position indicator (330) which allows understanding whether the retaining pin (300) is in the locked or open position.
- the spring (500) is placed onto a spring positioning area of smart segment (410) located on the smart segment (400).
- the smart segment (400) achieving contact with the spring (500) is positioned into the segment cavity of adapter (210) on the adapter (200).
- an adapter body protrusion (230) on the adapter (200) is inserted into a body cavity of point (120) located on the rear side of the point (100).
- the retaining pin (300) firstly passes through a retaining pin cavity of point (110) and then through a retaining pin cavity of smart segment (420) and a retaining pin cavity of adapter (220), respectively, and thus takes position.
- the retaining pin (300) is turned from a retaining pin rotating area (340), thereby performing the locking.
- the direction of the retaining pin position indicator (330) enables understanding that the locking is done.
- the retaining pin latch bolt (320) moves to a strike plate of smart segment (430), and when the retaining pin (300) is turned by applying pressure, the retaining pin latch bolt (320) stretches the spring (500), falling into place, and takes its final position by rotating. Simultaneously, the spring (500) having a form hollowing inward enters into the spring cavity of retaining pin (310) and the locking is ensured.
- a bucket straddle area of adapter (240) allows attaching the combination of the point (100) and the adapter (200) to the bucket.
- the lock system of the invention consists of a retaining pin cavity of point (110) in the horizontal position on the point (100) and a retaining pin cavity of adapter (220) in the horizontal position on the adapter (200). Thanks to these horizontally- positioned cavities, the system can be locked in the horizontal position since the retaining pin (300) is placed horizontally on the point (100) and the adapter (200). Thus, locking and assembly are safe, and workload is reduced.
- the smart segment (400) has a spring positioning area of smart segment (410) for the spring (500) element to be positioned, a retaining pin cavity of smart segment (420) which the retaining pin (300) passes through and takes position, a strike plate of smart segment (430) which is used to enable a retaining pin latch bolt (320) on the retaining pin (300) to perform the locking by entering thereinto.
- the invention consists of a spring stretch cavity (510) which is created to enable the spring (500) to get a position on the smart segment (400) and allows the spring (500) to stretch.
- the adapters (200) are mounted by welding to the bucket cutting edges from the bucket straddle area of adapter (240). The points are mounted to the adapters positioned on the bucket by using the lock system elements.
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Component Parts Of Construction Machinery (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a lock system which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes (mining, highway and dam projects, road construction, maintenance and repair, water canal construction, decoupage, soil excavation, loading and spreading, etc.) in the construction and building sector, wherein it enables impact-free assembly of ground engaging wear parts of construction equipment.
Description
LOCK SYSTEM FOR GROUND ENGAGING WEAR PARTS OF CONSTRUCTION EQUIPMENT
TECHNICAL FIELD
The invention relates to a lock system which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes (mining, highway and dam projects, road construction, maintenance and repair, water canal construction, decoupage, soil excavation, loading and spreading, etc.) in the construction and building sector, wherein it enables impact-free assembly of ground engaging wear parts of construction equipment.
BACKGROUND ART
In recent years, the mining, infrastructure, construction, repair, and excavation sectors have developed greatly due to both the need arising from the population increase and the effect of technology. In line with this development, quite a lot of improvements and innovations are introduced regarding the machines employed in the said sectors. Lock systems are needed for the ground engaging wear parts located on the edge of the digger and loader buckets of these construction equipment used in the mining, infrastructure, construction, repair, and excavation sectors.
In the current techniques of the lock systems used for the ground engaging wear parts, the attachment is provided by positioning the adapter and point tip side by side and driving a pin with a sledgehammer to the junction of the adapter and point tip. This is one of the oldest techniques known in the art. In this technique, driving the pin made of metal and its derivatives with the use of a sledgehammer not only requires extra labor but also threatens human health by extremely increasing the risk of occupational accidents.
Other lock systems in the existing techniques require the use of many parts in the assembly process. This leads to additional loss of time and increased labor during assembly, as well as raising the possibility of mistakes and errors in the locking system. It, therefore, causes incorrect assembly. Additionally, the elements of the locking systems of the existing applications, regarding their design and strength, are manufactured in a way that allows replacing them with new ones in each point change. Creating extra costs for the user, this practice also results in extra labor due to the need to disassemble the connecting parts that are damaged quickly. In the lock systems in the current techniques, the point and adapter elements are generally fixed, locked, and unlocked by the pin in a vertical axis, and this increases the labor and time spent during assembly and disassembly.
Application numbered US5709043A and titled “excavating tooth” in the prior art mentions an excavating tooth for attachment to the digging edge of excavating equipment. This application does not mention an embodiment eliminating the abovementioned disadvantages.
Application numbered US4324057A and titled “pin type tooth retention system” in the prior art mentions an excavator tooth assembly with an adapter and retaining means. This application does not mention an embodiment eliminating the abovementioned disadvantages.
Application numbered US2003101627 and titled “excavating tooth assembly with rotatable connector pin structure” in the prior art mentions a rotatable connector pin assembly disposed within an opening in an adapter nose. This application does not mention an embodiment eliminating the abovementioned disadvantages.
Application numbered US3019537Aand titled “keeper for an excavator tooth” in the prior art mentions a tooth assembly. This application also does not mention an embodiment eliminating the abovementioned disadvantages.
In conclusion, the abovementioned problems in the lock system for ground engaging wear parts of construction equipment, as well as the inadequacy of the current solutions, entail an improvement in the respective field.
DESCRIPTION OF THE INVENTION
The invention relates to a lock system for ground engaging wear parts of construction equipment which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes in the construction and building sector.
An objective of the present invention is to ensure the use of a lock system for ground engaging wear parts with a high-level safety in terms of occupational safety practices. It is also aimed to enable this high-level safety pin to perform the locking by being turned with a switch, totally impact-free.
Another objective of the present invention is to ensure the use of a lock system having the high-resistant elements of point - adapter - retaining pin, as well as the utilization of this combination in both loader bucket and digger bucket.
A further objective of the present invention is to ensure the use of the elements of point - adapter - retaining pin whose resistance is increased by application of heat treatment.
Another objective of the present invention is to enable performing the assembly procedure easily and with a single move in the lock systems for ground engaging wear parts.
A further objective of the present invention is to eliminate the standard assembly technique which includes attaching by way of blows with a sledgehammer and to instead provide an impact-free assembly system that is appropriate and correct in regard to occupational safety and security.
Another objective of the present invention is to ensure the mistake-free use of the elements of pin and smart segment of the lock system.
A further objective of the present invention is to provide an increase in the physical life of the lock system which changes with the expired wear parts.
Structural and characteristic features of the invention, as well as all of its advantages, will be understood more clearly with the figures given below and the detailed description written by referring to the relevant figures. Therefore, the evaluation should be made by taking into consideration of the said figures and detailed description.
Drawings
The applications of the present invention that is briefly summarized above and addressed in detail below can be understood by referring to the sample applications depicted in the attached drawings of the invention. However, it must be stated that the attached drawings show only the typical applications of this invention and that since the invention allows other equally effective applications, its scope cannot be assumed to be limited.
Figure-1 : It is a front perspective view of the point element.
Figure-2: It is a rear perspective view of the point element.
Figure-3: It is a perspective view of the adapter element.
Figure-4: It is a side view of the adapter element.
Figure-5: It is a view of the retaining pin element.
Figure-6: It is a view of the smart segment element.
Figure-7: It is a general view of the spring element.
Figure-8: It is a view of the positioning of the smart segment and the spring.
Figure-9: It is a view of the smart segment fitted onto the retaining pin.
Figure-10: It is a view of the positioning of the smart segment on the retaining pin.
Figure-11: It is a view of the final position of the smart segment upon rotating on the retaining pin.
Figure-12: It is an exploded view of the adapter, retaining pin, and smart segment.
Figure-13: It is a view of the positioning of the adapter, retaining pin, and smart segment.
Figure-14: It is an exploded view of the lock system.
Figure-15: It is a general view of the lock system in locked condition.
In order to facilitate understanding, identical reference numbers are used to indicate identical elements in the figures, where possible. The shapes are not drawn to scale and can be simplified for clarity. It is believed that the elements and features of an application can be usefully incorporated into other applications without further explanation.
Explanation of Details in the Drawings
Explanations of reference numbers shown in the drawings are given below.
100. Point
110. Retaining Pin Cavity of Point
120. Body Cavity of Point
200. Adapter
210. Segment Cavity of Adapter
220. Retaining Pin Cavity of Adapter
230. Adapter Body Protrusion
240. Bucket Straddle Area of Adapter
300. Retaining Pin
310. Spring Cavity of Retaining Pin
320. Retaining Pin Latch Bolt
330. Retaining Pin Position Indicator
340. Retaining Pin Rotating Area
400. Smart Segment
410. Spring Positioning Area of Smart Segment
420. Retaining Pin Cavity of Smart Segment
430. Strike Plate of Smart Segment
500. Spring
510. Spring Stretch Cavity
DETAILED EXPLANATION OF THE INVENTION
The preferred alternatives in this detailed description of the embodiment of the lock system for ground engaging wear parts of construction equipment of the present disclosure are only intended for providing a better understanding of the subject matter and should not be construed in any restrictive sense.
The lock system of the invention is comprised of the main elements of a point (100), an adapter (200), a retaining pin (300), a smart segment (400), and a spring (500). The lock system of the present invention consists of the retaining pin (300) which is utilized to perform the locking function, is produced as wedge-shaped, and consists of a retaining pin latch bolt (320) which is used in the locking process and enables locking; the smart segment (400) which is positioned in a segment cavity of adapter (210) on the adapter (200) and is in contact with the retaining pin (300) by covering it around; the spring (500) which is positioned on the smart segment (400) and comes into contact with and remains on the retaining pin (300) by stretching with the movement received to the retaining pin (300) during locking. Apart from the retaining pin latch bolt, the retaining pin (300) has a spring cavity of retaining pin (310) where the spring (500) takes a corresponding position upon locking and a retaining pin position indicator (330) which allows understanding whether the retaining pin (300) is in the locked or open position.
In the present invention, the spring (500) is placed onto a spring positioning area of smart segment (410) located on the smart segment (400). The smart segment (400) achieving contact with the spring (500) is positioned into the segment cavity of adapter (210) on the adapter (200). Then, an adapter body protrusion (230) on the adapter (200) is inserted into a body cavity of point (120) located on the rear side
of the point (100). The retaining pin (300) firstly passes through a retaining pin cavity of point (110) and then through a retaining pin cavity of smart segment (420) and a retaining pin cavity of adapter (220), respectively, and thus takes position. Finally, the retaining pin (300) is turned from a retaining pin rotating area (340), thereby performing the locking. The direction of the retaining pin position indicator (330) enables understanding that the locking is done. At the beginning of the locking process, the retaining pin latch bolt (320) moves to a strike plate of smart segment (430), and when the retaining pin (300) is turned by applying pressure, the retaining pin latch bolt (320) stretches the spring (500), falling into place, and takes its final position by rotating. Simultaneously, the spring (500) having a form hollowing inward enters into the spring cavity of retaining pin (310) and the locking is ensured. Also, a bucket straddle area of adapter (240) allows attaching the combination of the point (100) and the adapter (200) to the bucket.
The lock system of the invention consists of a retaining pin cavity of point (110) in the horizontal position on the point (100) and a retaining pin cavity of adapter (220) in the horizontal position on the adapter (200). Thanks to these horizontally- positioned cavities, the system can be locked in the horizontal position since the retaining pin (300) is placed horizontally on the point (100) and the adapter (200). Thus, locking and assembly are safe, and workload is reduced.
Being another element of the invention, the smart segment (400) has a spring positioning area of smart segment (410) for the spring (500) element to be positioned, a retaining pin cavity of smart segment (420) which the retaining pin (300) passes through and takes position, a strike plate of smart segment (430) which is used to enable a retaining pin latch bolt (320) on the retaining pin (300) to perform the locking by entering thereinto. Moreover, the invention consists of a spring stretch cavity (510) which is created to enable the spring (500) to get a position on the smart segment (400) and allows the spring (500) to stretch.
For the present invention to be used on construction equipment, it should be assembled onto the digger and loader components thereof called “buckets”. The adapters (200) are mounted by welding to the bucket cutting edges from the bucket
straddle area of adapter (240). The points are mounted to the adapters positioned on the bucket by using the lock system elements.
Claims
9
CLAIMS A lock system for ground engaging wear parts of construction equipment which is manufactured for the assembly of the ground engaging wear parts in multi-purpose backhoe loaders and developed for use for different purposes in the construction and building sector, and its feature is that it is characterized in that it consists of:
- a point (100) which enables the digging and loading functions to be fulfilled thanks to its high wear resistance;
- an adapter (200) which has a nose in the appropriate size to cover the gap in the point (100) during the attachment of the points (100) to the bucket, and a bucket straddle area of adapter (240) to enable the point (100) and adapter (200) combination to be connected to the bucket;
- a retaining pin (300) which is produced as wedge-shaped and consists of a retaining pin latch bolt (320) which is used in the locking process and enables locking and a retaining pin position indicator (330) which allows understanding whether the pin is in the locked position or the open position;
- a smart segment (400) which is positioned in a segment cavity of adapter (210) on the adapter (200), helps the system to be locked and unlocked with rotary motion by covering around the retaining pin (300), and includes a spring positioning area of smart segment (410), a retaining pin cavity of smart segment (420), and a strike plate of smart segment (430);
- a spring (500) which is positioned on the spring positioning area of smart segment (410) located on the smart segment (400) and comes into contact with and remains on the retaining pin (300) by stretching with the movement received to the retaining pin (300) during locking. A lock system for ground engaging wear parts in accordance with Claim 1 , and its feature is that it is characterized in that it consists of a retaining pin cavity of point (110) and a retaining pin cavity of adapter (220) which are positioned horizontally on the point (100) and the adapter (200),
respectively, and allow the system to be locked in the horizontal position by ensuring the placement of the retaining pin (300) on the point (100) and the adapter (200). A lock system for ground engaging wear parts in accordance with Claim 1 , and its feature is that it is characterized in that it consists of a spring stretch cavity (510) which is created to enable the spring (500) to get a position on the smart segment (400) and allows the spring (500) to stretch.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2401558.8A GB2623271A (en) | 2021-10-27 | 2021-10-27 | Lock system for ground engaging wear parts of construction equipment |
PCT/TR2021/051102 WO2023075717A1 (en) | 2021-10-27 | 2021-10-27 | Lock system for ground engaging wear parts of construction equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/TR2021/051102 WO2023075717A1 (en) | 2021-10-27 | 2021-10-27 | Lock system for ground engaging wear parts of construction equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023075717A1 true WO2023075717A1 (en) | 2023-05-04 |
Family
ID=86160172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/TR2021/051102 WO2023075717A1 (en) | 2021-10-27 | 2021-10-27 | Lock system for ground engaging wear parts of construction equipment |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2623271A (en) |
WO (1) | WO2023075717A1 (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202214757U (en) * | 2011-08-05 | 2012-05-09 | 三一重机有限公司 | Match structure of tooth seat and bucket tooth |
AU2015100447A4 (en) * | 2014-04-08 | 2015-05-14 | Thiess Pty Ltd | Adaptor and tooth assembly |
CN212336147U (en) * | 2020-07-27 | 2021-01-12 | 宁波市鄞州精铸五金厂 | Bucket tooth for excavator |
-
2021
- 2021-10-27 GB GB2401558.8A patent/GB2623271A/en active Pending
- 2021-10-27 WO PCT/TR2021/051102 patent/WO2023075717A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202214757U (en) * | 2011-08-05 | 2012-05-09 | 三一重机有限公司 | Match structure of tooth seat and bucket tooth |
AU2015100447A4 (en) * | 2014-04-08 | 2015-05-14 | Thiess Pty Ltd | Adaptor and tooth assembly |
CN212336147U (en) * | 2020-07-27 | 2021-01-12 | 宁波市鄞州精铸五金厂 | Bucket tooth for excavator |
Also Published As
Publication number | Publication date |
---|---|
GB202401558D0 (en) | 2024-03-20 |
GB2623271A (en) | 2024-04-10 |
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