Integrated excavation equipment
By designing an integrated excavation equipment, utilizing feed distance adjustment, yaw drive, and lifting drive components, combined with a hydraulic system and milling mechanism, the adaptability and blind spot issues of tunnel excavation equipment in confined spaces have been solved, enabling efficient tunnel widening and multi-degree-of-freedom rock cutting.
Patent Information
- Application Number
- CN202520282737.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-02-21
AI Technical Summary
Existing tunnel excavation equipment is large in size and cannot meet the needs of tunnel expansion in narrow spaces. Furthermore, the cutting mechanism has blind spots and cannot effectively handle the rock mass on both sides and in the surrounding areas.
Design an integrated excavation device, including a moving trolley and symmetrically arranged cutting mechanisms, employing feed distance adjustment, yaw drive and lifting drive components, combined with a hydraulic system and milling mechanism, to achieve cutting and crushing of rock masses at different orientations and heights within the tunnel.
It enables efficient tunnel widening in confined spaces, solves the problems of excessive equipment size and blind spots in operation, has multi-degree-of-freedom cutting capabilities, adapts to various geological conditions, and meets the cutting requirements of different shapes.
Smart Images

Figure CN223661833U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tunnel construction technology, specifically to an integrated excavation device. Background Technology
[0002] Most existing tunnel excavation equipment is characterized by its large size, making it difficult to adapt to the needs of tunnel expansion in confined spaces. Specifically, some tunnel excavation equipment uses chassis with large dimensions, making movement difficult in narrow tunnels; others have complex structures resulting in excessively large overall dimensions, also causing movement difficulties in confined tunnels. Furthermore, the cutting mechanisms used in some tunnel excavation equipment can only break up the excavated soil in front, leaving blind spots in the sides and surrounding areas where they cannot be properly broken up.
[0003] In summary, there is a need to develop an integrated excavation equipment to address the problems of existing tunnel excavation equipment, such as large equipment size making it difficult to adapt to the needs of tunnel expansion in confined spaces, and the blind spots in operation of the cutting mechanism for areas on both sides and the surrounding area. Utility Model Content
[0004] The purpose of this utility model is to provide an integrated excavation device, the specific technical solution of which is as follows:
[0005] An integrated excavation device includes a mobile trolley and a cutting mechanism. The cutting mechanism comprises two sets of cutting components symmetrically arranged on the mobile trolley. Each set of cutting components includes a base, a feed distance adjustment component, a yaw drive component, a lifting drive component, a power component, and a cutting component. The base is mounted on the mobile trolley. One end of the feed distance adjustment component is hinged to the base, and the other end is connected to the cutting component. The yaw drive component is located on one side of the feed distance adjustment component, with one end being a fixed end and hinged to the base, and the other end being a working end and hinged to the feed distance adjustment component. The lifting drive component is located below the feed distance adjustment component, with one end being a fixed end and hinged to the base, and the other end being a working end and hinged to the feed distance adjustment component. The output end of the power component is connected to the cutting component.
[0006] Optionally, the feed distance adjustment component includes a robotic arm and a telescopic arm disposed at one end of the robotic arm; the end of the robotic arm away from the telescopic arm is hinged to the base; the end of the telescopic arm away from the robotic arm is connected to the cutting workpiece; and a first telescopic hydraulic cylinder is disposed on the telescopic arm.
[0007] Optionally, the yaw drive component includes a yaw cylinder.
[0008] Optionally, the lifting drive component includes a first lifting cylinder.
[0009] Optionally, the integrated excavation equipment further includes a hydraulic pump; the hydraulic pump is mounted on the mobile trolley and is connected to the first telescopic cylinder, the swing cylinder and the first lifting cylinder respectively via oil circuits.
[0010] Optionally, the integrated excavation equipment further includes a milling mechanism; the milling mechanism includes two sets of milling components, symmetrically arranged on the mobile trolley; each set of milling components includes a mounting base, a first boom, a second boom, a milling head, a second lifting cylinder, and a second telescopic cylinder; the mounting base is arranged on the mobile trolley; one end of the first boom is hinged to the mounting base, and the other end is hinged to the second boom; the end of the second boom away from the first boom is connected to the milling head; the second lifting cylinder is arranged below the second boom, one end of which is a fixed end and hinged to the mounting base, and the other end is a working end and hinged to the second boom; one end of the second telescopic cylinder is a fixed end and hinged to the first boom, and the other end is a working end and hinged to the second boom.
[0011] Optionally, the second lifting cylinder and the second telescopic cylinder are respectively connected to the hydraulic pump via oil circuits.
[0012] Optionally, the integrated excavation equipment further includes a controller; the controller is mounted on the mobile trolley and connected to the power unit, the first telescopic cylinder, the swing cylinder, the first lifting cylinder, the second lifting cylinder, the second telescopic cylinder, and the hydraulic pump.
[0013] Optionally, the mobile trolley includes a frame, a load-bearing plate, wheels, and a power source; the wheels are located at the bottom of the frame; the load-bearing plate is located at the top of the frame; the cutting mechanism and the milling mechanism are both located on the load-bearing plate; the power source is located on the frame and connected to the controller to provide running power for the wheels.
[0014] Optionally, the mobile vehicle further includes a distance sensor; the distance sensor is multiple and arranged circumferentially on the mobile vehicle; each distance sensor is connected to the controller.
[0015] The application of the technical solution of this utility model has at least the following beneficial effects:
[0016] (1) This utility model provides an integrated excavation device with a cutting mechanism assembled on a mobile trolley. It fully utilizes the structural space for a compact design, reducing the device size and meeting the operational needs within the confined space of a tunnel. The cutting mechanism, while maintaining rigidity, possesses numerous degrees of freedom, enabling cutting operations from different directions and resolving blind spots. Specifically, the feed distance adjustment component drives the cutting element to perform cutting operations on rock masses at different distances within the tunnel; the lateral drive component drives the feed distance adjustment component to swing the cutting element left and right, thereby expanding the left-right cutting range; the lifting drive component drives the feed distance adjustment component to swing the cutting element up and down, thereby expanding the up-down cutting range, achieving cutting operations on rock masses at different heights within the tunnel. This utility model employs at least two sets of cutting components, respectively positioned on both sides of the mobile trolley in the direction of travel. This facilitates improved cutting efficiency and enables cutting operations on rock masses at different locations on both sides of the tunnel. In addition, the output speed of the power component to the cutting component can be appropriately controlled according to the hardness of the rock mass, so as to meet the cutting requirements of various different rock strata, such as hard rock, composite strata and soft soil; the size of the cutting component can be appropriately selected according to the cutting depth; and different shapes of cutting operations can also be realized according to construction requirements.
[0017] (2) The present invention also assembles a milling mechanism on the mobile trolley, which can break the cutting area after the cutting operation and complete the excavation operation.
[0018] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description
[0019] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:
[0020] Figure 1 This is a structural schematic diagram of an integrated excavation device according to an embodiment of this utility model;
[0021] Figure 2 yes Figure 1 Enlarged view of region A in the middle;
[0022] Among them, 1. Mobile trolley, 1.1 Frame, 1.2 Load-bearing plate, 1.3 Walking wheels, 1.4 Distance sensor, 2. Cutting mechanism, 2.1 Base, 2.2 Feed distance adjustment component, 2.3 Swing drive component, 2.4 Power component, 2.5 Cutting component, 2.6 Lifting drive component, 3. Milling mechanism, 3.1 Mounting base, 3.2 First boom section, 3.3 Second boom section, 3.4 Milling head, 3.5 Second lifting cylinder, 3.6 Second telescopic cylinder, 4. Hydraulic pump, 5. Controller. 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model are within the protection scope of the present utility model.
[0024] Example 1:
[0025] See Figures 1-2An integrated excavation device includes a mobile trolley 1 and a cutting mechanism 2. The cutting mechanism 2 includes two sets of cutting components, symmetrically arranged on both sides of the mobile trolley 1 in the direction of travel. Each set of cutting components includes a base 2.1, a feed distance adjustment component 2.2, a lateral drive component 2.3 (specifically a swing cylinder), a lifting drive component 2.6 (specifically a first lifting cylinder), a power component 2.4 (specifically a motor), and a cutting component 2.5 (specifically a circular saw). The base 2.1 is mounted on the mobile trolley 1. One end of the feed distance adjustment component 2.2 is hinged to the base 2.1, and the other end is connected to the cutting component 2.5, used to drive the cutting component 2.5 to complete the cutting operation of the rock mass at different distances within the tunnel. The lateral drive component 2.3 is located on one side of the feed distance adjustment component 2.2, with one end being a fixed end and hinged to the base 2.1. The other end is the working end, hinged to the feed distance adjustment component 2.2, used to drive the feed distance adjustment component 2.2 to swing the cutting part 2.5 left and right, thereby expanding the cutting range of the cutting part 2.5; the lifting drive component 2.6 is located below the feed distance adjustment component 2.2, one end of which is a fixed end and hinged to the base 2.1, and the other end is the working end and hinged to the feed distance adjustment component 2.2, used to drive the feed distance adjustment component 2.2 to swing the cutting part 2.5 up and down, thereby expanding the cutting range of the cutting part 2.5 up and down, realizing the cutting operation of rock masses of different heights in the tunnel; the output end of the power component 2.4 is connected to the cutting part 2.5, used to drive the cutting part 2.5 to rotate to complete the cutting operation; the output speed of the power component 2.4 to the cutting part 2.5 is appropriately controlled according to the hardness of the rock mass. In addition, the size of the cutting part 2.5 is appropriately selected according to the cutting depth.
[0026] The feed distance adjustment component 2.2 includes a robotic arm and a telescopic arm disposed at one end of the robotic arm; the end of the robotic arm away from the telescopic arm is hinged to the base 2.1; the end of the telescopic arm away from the robotic arm is connected to the cutting part 2.5; a first telescopic cylinder (not shown in the figure) is disposed on the telescopic arm for driving the telescopic arm to complete the telescopic operation.
[0027] The integrated excavation equipment also includes a hydraulic pump 4; the hydraulic pump 4 is mounted on the mobile trolley 1 and is connected to the first telescopic cylinder, the swing cylinder and the first lifting cylinder respectively through oil circuits.
[0028] The integrated excavation equipment also includes a milling mechanism 3; the milling mechanism 3 includes two sets of milling components, symmetrically arranged on both sides of the moving trolley 1 in the direction of travel; each set of milling components includes a mounting base 3.1, a first arm 3.2, a second arm 3.3, a milling head 3.4, a second lifting cylinder 3.5, and a second telescopic cylinder 3.6; the mounting base 3.1 is mounted on the moving trolley 1; one end of the first arm 3.2 is hinged to the mounting base 3.1, and the other end is hinged to the second arm 3.3; the end of the second arm 3.3 away from the first arm 3.2 is connected to the milling head 3.4; the second lifting cylinder 3.6... 5 is positioned below the second arm 3.3, with one end being a fixed end hinged to the mounting base 3.1 and the other end being a working end hinged to the second arm 3.3. It is used to lift the second arm 3.3 to drive the milling head 3.4 to different working heights, thereby completing the milling operation of the rock mass at different heights; one end of the second telescopic cylinder 3.6 is a fixed end hinged to the first arm 3.2 and the other end being a working end hinged to the second arm 3.3. It is used to adjust the opening angle between the first arm 3.2 and the second arm 3.3, thereby driving the milling head 3.4 to complete the milling operation of the rock mass at different distances.
[0029] The second lifting cylinder 3.5 and the second telescopic cylinder 3.6 are respectively connected to the hydraulic pump 4 through oil circuits.
[0030] The integrated excavation equipment also includes a controller 5 (specifically a PLC controller); the controller 5 is mounted on the mobile trolley 1 and is connected to the power component 2.4, the first telescopic cylinder, the swing cylinder, the first lifting cylinder, the second lifting cylinder 3.5, the second telescopic cylinder 3.6 and the hydraulic pump 4.
[0031] The mobile trolley 1 includes a frame 1.1, a load-bearing plate 1.2, wheels 1.3, and a power source (not shown in the figure). The wheels 1.3 are located at the bottom of the frame 1.1; the load-bearing plate 1.2 is located at the top of the frame 1.1; both the cutting mechanism 2 and the milling mechanism 3 are located on the load-bearing plate 1.2; the power source is located on the frame 1.1 and connected to the controller 5, providing power to the wheels 1.3. To limit the overall size of the machine, a battery is used as the power source in this embodiment.
[0032] The mobile vehicle 1 also includes four distance sensors 1.4, which are arranged in a circumferential pattern at the four corners of the mobile vehicle 1 to prevent collisions during operation. Each distance sensor 1.4 is connected to the controller 5.
[0033] The operation process of the integrated excavation equipment is as follows:
[0034] Step S1: The controller 5 starts the power source and each of the distance sensors 1.4. The power source provides running power to the walking wheels 1.3 to drive the mobile trolley 1 to the target work area in the tunnel. Each of the distance sensors 1.4 is used to prevent the mobile trolley 1 from colliding while driving.
[0035] Step S2: According to the cutting range, the controller 5 activates the feed distance adjustment component 2.2 to drive the cutting element 2.5 to complete the cutting operation of the rock mass at different distances within the tunnel; the controller 5 activates the yaw drive component 2.3 to drive the feed distance adjustment component 2.2 to drive the cutting element 2.5 to swing left and right, thereby expanding the left and right cutting range of the cutting element 2.5; the controller 5 activates the lifting drive component 2.6 to drive the feed distance adjustment component 2.2 to drive the cutting element 2.5 to swing up and down, thereby expanding the up and down cutting range of the cutting element 2.5, realizing the cutting operation of rock mass at different heights within the tunnel; according to the hardness of the rock mass, the controller 5 controls the output speed of the power component 2.4 to the cutting element 2.5 to meet the cutting requirements of various different rock strata, such as hard rock, composite strata, and soft soil;
[0036] Step S3: The controller 5 activates the second lifting cylinder 3.5 to lift the second arm section 3.3, thereby driving the milling head 3.4 to different working heights, and thus completing the milling operation of the rock mass at different heights; The controller 5 activates the second telescopic cylinder 3.6 to adjust the opening angle between the first arm section 3.2 and the second arm section 3.3, thereby driving the milling head 3.4 to complete the milling operation of the rock mass at different distances;
[0037] Step S4: Repeat steps S1-S3 until excavation of all working areas within the tunnel is completed. During this process, replace the 2.5-tooth cutting tool and the battery as needed. After excavation is completed, remove the integrated excavation equipment.
[0038] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. An integrated excavation apparatus, characterized by, The utility model provides a cutting mechanism (2) and mobile trolley (1), cutting mechanism (2) includes at least two groups of cutting assembly, and is arranged respectively on both sides of mobile trolley (1) in the direction of travel, each cutting assembly includes base (2.1), feed distance adjusting part (2.2), yaw drive part (2.3), lifting drive part (2.6), power (2.4) and cutting piece (2.5), base (2.1) is arranged on mobile trolley (1), one end of feed distance adjusting part (2.2) is hinged with base (2.1), and the other end is connected with cutting piece (2.5), yaw drive part (2.3) is arranged on one side of feed distance adjusting part (2.2), and one end is fixed end and is hinged with base (2.1), and the other end is operation end and is hinged with feed distance adjusting part (2.2), lifting drive part (2.6) is arranged below feed distance adjusting part (2.2), and one end is fixed end and is hinged with base (2.1), and the other end is operation end and is hinged with feed distance adjusting part (2.2), the output end of power (2.4) is connected with cutting piece (2.5).
2. The integrated excavation apparatus of claim 1, wherein, Feed distance adjusting part (2.2) includes mechanical arm and telescopic arm arranged on one end of mechanical arm, one end of mechanical arm away from telescopic arm is hinged with base (2.1), one end of telescopic arm away from mechanical arm is connected with cutting piece (2.5), first telescopic oil cylinder is arranged on telescopic arm.
3. The integrated excavation apparatus of claim 2, wherein, Yaw drive part (2.3) includes swing oil cylinder.
4. The integrated excavation apparatus of claim 3, wherein, Lifting drive part (2.6) includes first jacking oil cylinder.
5. The integrated excavation apparatus of claim 4, wherein, Further include hydraulic pump (4), hydraulic pump (4) is arranged on mobile trolley (1), and is connected with first telescopic oil cylinder, swing oil cylinder and first jacking oil cylinder respectively through oil circuit.
6. The integrated excavation apparatus of claim 5, wherein, The milling and digging mechanism (3) comprises at least two groups of milling and digging assemblies, and is arranged on both sides of the moving trolley (1) in the direction of travel; each group of the milling and digging assemblies comprises a mounting seat (3.1), a first section arm (3.2), a second section arm (3.3), a milling and digging head (3.4), a second lifting oil cylinder (3.5) and a second telescopic oil cylinder (3.6); the mounting seat (3.1) is arranged on the moving trolley (1); one end of the first section arm (3.2) is hinged to the mounting seat (3.1), and the other end is hinged to the second section arm (3.3); one end of the second section arm (3.3) away from the first section arm (3.2) is connected to the milling and digging head (3.4); the second lifting oil cylinder (3.5) is arranged below the second section arm (3.3), one end of which is a fixed end and is hinged to the mounting seat (3.1), and the other end is an operating end and is hinged to the second section arm (3.3); one end of the second telescopic oil cylinder (3.6) is a fixed end and is hinged to the first section arm (3.2), and the other end is an operating end and is hinged to the second section arm (3.3).
7. The integrated excavation apparatus of claim 6, wherein, The second lifting oil cylinder (3.5) and the second telescopic oil cylinder (3.6) are connected with the hydraulic pump (4) through oil paths respectively.
8. The integrated excavation apparatus of claim 7, wherein, The controller (5) is arranged on the moving trolley (1) and is connected with the power member (2.4), the first telescopic oil cylinder, the swing oil cylinder, the first lifting oil cylinder, the second lifting oil cylinder (3.5), the second telescopic oil cylinder (3.6) and the hydraulic pump (4).
9. The integrated excavation apparatus of any of claims 1-8, wherein, The moving trolley (1) comprises a frame (1.1), a load-bearing plate (1.2), a walking wheel (1.3) and a power source; the walking wheel (1.3) is arranged at the bottom of the frame (1.1); the load-bearing plate (1.2) is arranged at the top of the frame (1.1); the cutting mechanism (2) and the milling and digging mechanism (3) are arranged on the load-bearing plate (1.2); the power source is arranged on the frame (1.1) and is connected with the controller (5), and is used for providing running power for the walking wheel (1.3).
10. The integrated excavation apparatus of claim 9, wherein, The moving trolley (1) further comprises a plurality of distance sensors (1.4) which are arranged in a ring shape on the moving trolley (1); each distance sensor (1.4) is connected with the controller (5).