Excavator and drilling machine combined construction arm

By designing a combined excavator and drilling rig construction arm, integrating a submersible drilling mechanism, and using hydraulic cylinders to control the movement of the drill rod and drill bit, the problems of low equipment switching efficiency, large space occupation, and high cost in traditional construction have been solved, enabling rapid conversion between excavation and drilling modes and improving construction efficiency.

CN224161127UActive Publication Date: 2026-04-24CHANGSHA MINGYANG MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHANGSHA MINGYANG MASCH MFG CO LTD
Filing Date
2025-05-26
Publication Date
2026-04-24

AI Technical Summary

Technical Problem

In traditional construction, excavators and drilling rigs are inefficient to switch between, occupy a lot of space, are costly, and have limited functionality, making it difficult to flexibly switch between excavation and drilling modes.

Method used

Design a combined excavator and drilling rig construction arm that integrates a submersible drilling mechanism inside the boom. The excavation and drilling modes can be quickly switched through the rotating parts on both sides of the bucket and the double linkage layout. The movement of the drill rod and drill bit is controlled by lifting cylinders and rotating cylinders.

Benefits of technology

It enables rapid switching between excavation and drilling modes, improves construction efficiency, reduces equipment replacement time and space requirements, lowers costs, and enhances the stability and flexibility of the bucket.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an excavator and drilling machine combined construction arm, which is characterized in that a submerged drilling mechanism is innovatively integrated on the basis of a traditional movable arm, a bucket rod, a bucket and a connecting rod structure, that is, a mounting chamber is arranged in the bucket rod, a containing groove is formed in the bottom of the bucket rod, a lifting platform driven by a lifting oil cylinder is arranged in the mounting chamber, and a drill rod and a drill bit driven by a rotating oil cylinder are assembled on the lifting platform. The drill bit extends into the storage groove through the through hole to achieve drilling operation, the drill rod makes contact with the inner wall of the through hole to automatically clean mud, during drilling operation, the bucket is folded to avoid, the drill bit retracts to the storage groove during excavation, mutual non-interference is achieved, rapid switching of the excavation function and the drilling function is achieved through the design, the structure is compact, and the construction efficiency is effectively improved.
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Description

Technical Field

[0001] This utility model relates to the field of construction arm technology, specifically a construction arm that combines an excavator and a drilling rig. Background Technology

[0002] In the field of engineering construction, excavators and drilling rigs are two commonly used pieces of machinery, used for earthwork excavation and rock and concrete drilling operations, respectively. In traditional construction, if excavation and drilling need to be carried out alternately, different equipment or separate excavator arms and drilling rig arms are usually required, leading to the following problems:

[0003] 1. Low equipment switching efficiency: Frequent changes of excavators and drilling rigs will prolong the construction cycle and increase labor and time costs;

[0004] 2. Large space occupation: Independent equipment requires a larger working space, and its operation is limited in narrow construction sites (such as urban buildings, tunnels, etc.);

[0005] 3. High cost: Equipping both excavators and drilling rigs increases procurement and maintenance costs;

[0006] 4. Limited functionality: Traditional excavator arms can only perform excavation operations and cannot be directly switched to drilling mode, resulting in insufficient flexibility. Utility Model Content

[0007] In view of the above-mentioned shortcomings in the existing technology, the purpose of this utility model is to provide a construction arm that enables rapid switching between excavation and drilling modes to accelerate production efficiency.

[0008] The technical solution adopted by this utility model to achieve the above-mentioned objectives is as follows: a combined excavator and drilling rig construction boom, including a boom, a stick, a bucket, and a connecting rod. The boom and the stick are rotatably connected. The boom is equipped with a boom cylinder. A stick cylinder is rotatably connected to the boom. The stick cylinder is rotatably connected to the stick. The bottom end of the stick is rotatably connected to the bucket. The connecting rod is rotatably connected to the bucket. A bucket cylinder is rotatably connected to the stick. The bucket cylinder is rotatably connected to the connecting rod. An installation chamber is provided inside the stick. A storage groove is provided at the bottom of the stick. A submersible drilling mechanism is provided inside the installation chamber. The submersible drilling mechanism includes a drill rod and a drill bit fixedly connected to the bottom of the drill rod. A through hole is provided between the installation chamber and the storage groove. The drill rod passes through the through hole, and the drill bit is located in the storage groove.

[0009] In the above technical solution, two sets of rotating parts are fixedly connected to the bucket, and a movement range A is provided between the two sets of rotating parts. The two sets of rotating parts are rotatably connected to the stick, and the two sets of rotating parts are located on both sides of the storage groove.

[0010] Each set of rotating parts is rotatably connected to a set of connecting rods, and a movement range B is provided between the two sets of connecting rods. A shaft is fixedly connected between the two sets of connecting rods, and the bucket cylinder is rotatably connected to the shaft.

[0011] After the bucket is folded, the storage groove, movement zone A, and movement zone B correspond.

[0012] In the above technical solution, the submersible drilling mechanism further includes a lifting cylinder, a rotating cylinder, and a lifting platform. The lifting platform is slidably connected to the installation chamber, and the lifting cylinder is fixedly connected to the installation chamber. The lifting cylinder is fixedly connected to the lifting platform.

[0013] The drill rod is rotatably connected to the lifting platform, and the rotary cylinder is fixedly connected to the lifting platform. The rotary cylinder is poweredly connected to the drill rod.

[0014] In the above technical solution, a guide column is fixedly connected to the installation room, and the lifting platform is slidably connected to the guide column.

[0015] In the above technical solution, the outer wall of the drill rod abuts against the inner wall of the perforation.

[0016] The beneficial effects of this utility model are as follows: by integrating a submersible drilling mechanism (drill rod and drill bit) inside the boom and retaining the traditional bucket structure on the outside, it enables rapid conversion between excavation and drilling modes without the need to replace equipment, thus improving construction efficiency. Furthermore, the rotating parts on both sides of the bucket and the double linkage layout (linked by shafts) enhance the stability of the bucket. The reserved movement zones A and B ensure that there is no conflict between the movement trajectory of the bucket and the drill bit when it is folded or unfolded. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the bucket in operation according to this utility model;

[0018] Figure 2 This is a schematic diagram of the drill bit in operation according to this utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the bucket pole in this utility model;

[0020] Figure 4 This is a structural schematic diagram of another state of the internal structure of the boom in this utility model;

[0021] Figure 5 for Figure 4 Detailed structural diagram of part a.

[0022] In the diagram: 100 boom, 200 stick, 201 mounting chamber, 202 storage recess, 300 bucket, 400 connecting rod, 500 boom cylinder, 600 stick cylinder, 700 bucket cylinder, 801 drill rod, 802 drill bit, 803 lifting cylinder, 804 rotating cylinder, 805 lifting platform, 806 guide column, 807 rotating part, 808 motion zone A, 809 motion zone B, 810 shaft. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-5 A combined excavator and drilling rig construction boom includes a boom 100, a stick 200, a bucket 300, and a connecting rod 400. The boom 100 and the stick 200 are rotatably connected. The boom 100 is equipped with a boom cylinder 500, and a stick cylinder 600 is rotatably connected to the boom 100. The stick cylinder 600 is rotatably connected to the stick 200. The bucket 300 is rotatably connected to the bottom end of the stick 200. The connecting rod 400 is rotatably connected to the bucket 300. The bucket cylinder 700 is rotatably connected to the stick 200 and is rotatably connected to the connecting rod 400. The movement of the bucket 300 is controlled by the boom cylinder 500, the stick cylinder 600, and the bucket cylinder 700. The above structure is prior art and will not be described in detail here.

[0025] In this embodiment, the boom 200 has an installation chamber 201 inside, and a receiving groove 202 at the bottom of the boom 200. The installation chamber 201 houses a down-the-hole drilling mechanism, which includes a drill rod 801, a drill bit 802, a lifting cylinder 803, a rotating cylinder 804, and a lifting platform 805. Firstly, the lifting platform 805 is slidably connected within the installation chamber 201; that is, a guide column 806 is fixedly connected within the installation chamber 201, and the lifting platform 805 is slidably connected to the guide column 806. Secondly, the lifting cylinder 803 is also fixedly connected within the installation chamber 201, and the piston end of the lifting cylinder 803 is fixedly connected to the lifting platform 805. Furthermore, in... A drill rod 801 is rotatably connected to the lifting platform 805, and a drill bit 802 is fixedly connected to the bottom of the drill rod 801. A through hole is provided between the installation chamber 201 and the storage groove 202. The drill rod 801 passes through the through hole, and the drill bit 802 is located in the storage groove 202. A rotary cylinder 804 is also fixedly connected to the lifting platform 805. The rotating end of the rotary cylinder 804 is poweredly connected to the drill rod 801. Thus, the lifting platform 805 can be driven to move up and down by the lifting cylinder 803 to feed the drill bit 802, and the drill rod 801 and the drill bit 802 can be rotated by the rotary cylinder 804, so that the drill bit 802 can drill holes in the ground.

[0026] Furthermore, the outer wall of the drill rod 801 abuts against the inner wall of the perforation, so that when the drill rod 801 rises, the soil attached to the surface of the drill rod 801 can be cleaned through the edge of the perforation.

[0027] Furthermore, to avoid interference between the bucket 300 and the drill rod 801, the bucket 300 is installed using the following structure:

[0028] Two sets of rotating parts 807 are fixedly connected to the bucket 300. A movement range A808 is provided between the two sets of rotating parts 807. The two sets of rotating parts 807 are rotatably connected to the stick 200. The two sets of rotating parts 807 are located on both sides of the storage groove 202. A set of connecting rods 400 is rotatably connected to each set of rotating parts 807. A movement range B809 is provided between the two sets of connecting rods 400. A shaft 810 is fixedly connected between the two sets of connecting rods 400. The bucket cylinder 700 is rotatably connected to the shaft 810.

[0029] When the bucket cylinder 700 drives the bucket 300 to fold, the storage groove 202, the movement range A808, and the movement range B809 correspond, so that the drill rod 801 can move through the storage groove 202, the movement range A808, and the movement range B809 to realize the drilling work. When the bucket 300 needs to work, the drill rod 801 can be moved upward so that the drill bit 802 is located in the storage groove 202 to avoid interfering with the movement of the bucket 300.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0031] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A combined excavator and drilling rig boom, comprising a boom (100), a stick (200), a bucket (300), and a connecting rod (400), wherein the boom (100) and the stick (200) are rotatably connected, the boom (100) is fitted with a boom cylinder (500), a stick cylinder (600) is rotatably connected to the boom (100), the stick cylinder (600) is rotatably connected to the stick (200), the bottom end of the stick (200) is rotatably connected to the bucket (300), the connecting rod (400) is rotatably connected to the bucket (300), a bucket cylinder (700) is rotatably connected to the stick (200), and the bucket cylinder (700) is rotatably connected to the connecting rod (400), characterized in that: The boom (200) has an installation chamber (201) inside and a storage groove (202) at the bottom. The installation chamber (201) has a submersible drilling mechanism, which includes a drill rod (801) and a drill bit (802) fixedly connected to the bottom of the drill rod (801). A through hole is provided between the installation chamber (201) and the storage groove (202). The drill rod (801) passes through the through hole and the drill bit (802) is located in the storage groove (202).

2. The excavator and drilling rig combined construction arm according to claim 1, characterized in that: Two sets of rotating parts (807) are fixedly connected to the bucket (300), and a movement range A (808) is provided between the two sets of rotating parts (807). The two sets of rotating parts (807) are rotatably connected to the stick (200) respectively, and the two sets of rotating parts (807) are located on both sides of the storage groove (202). Each set of rotating parts (807) is rotatably connected to a set of connecting rods (400), and a motion range B (809) is provided between the two sets of connecting rods (400). A shaft (810) is fixedly connected between the two sets of connecting rods (400), and the bucket cylinder (700) is rotatably connected to the shaft (810). After the bucket (300) is folded, the storage groove (202), movement zone A (808), and movement zone B (809) correspond.

3. The excavator and drilling rig combined construction arm according to claim 1, characterized in that: The drilling mechanism also includes a lifting cylinder (803), a rotating cylinder (804), and a lifting platform (805). The lifting platform (805) is slidably connected in the installation chamber (201), and the lifting cylinder (803) is fixedly connected in the installation chamber (201). The lifting cylinder (803) is fixedly connected to the lifting platform (805). The drill rod (801) is rotatably connected to the lifting platform (805), and the rotary cylinder (804) is fixedly connected to the lifting platform (805). The rotary cylinder (804) is poweredly connected to the drill rod (801).

4. The excavator and drilling rig combined construction arm according to claim 3, characterized in that: The installation chamber (201) is fixedly connected to a guide column (806), and the lifting platform (805) is slidably connected to the guide column (806).

5. A combined excavator and drilling rig construction boom according to claim 1, characterized in that: The outer wall of the drill rod (801) abuts against the inner wall of the perforation.