CN220827151U - Lengthened telescopic arm structure with grab bucket for deep excavation of subway - Google Patents
Lengthened telescopic arm structure with grab bucket for deep excavation of subway Download PDFInfo
- Publication number
- CN220827151U CN220827151U CN202322771120.9U CN202322771120U CN220827151U CN 220827151 U CN220827151 U CN 220827151U CN 202322771120 U CN202322771120 U CN 202322771120U CN 220827151 U CN220827151 U CN 220827151U
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- telescopic
- arm
- grab bucket
- excavator
- hydraulic cylinder
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 19
- 239000002689 soil Substances 0.000 claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses an extension telescopic arm structure with a grab bucket for deep underground excavation, which comprises an excavator, wherein a control room is arranged on the excavator, and the grab bucket is arranged on the excavator through a large arm; the bottom end of the big arm is hinged to a mounting seat on the excavator, the top end of the big arm is provided with two telescopic mechanisms, and the grab buckets are oppositely arranged at the bottom ends of the telescopic mechanisms; the excavator is provided with a first supporting hydraulic cylinder, and the end part of a telescopic rod of the first supporting hydraulic cylinder is hinged to the middle part of the big arm; the bottom of telescopic machanism is provided with grab bucket installation piece, and the left and right sides of grab bucket installation piece articulates the top at two grab buckets through the pivot respectively, and the front and back both sides of grab bucket installation piece are provided with grab bucket pneumatic cylinder respectively, and the tip of grab bucket pneumatic cylinder telescopic link articulates there is the connecting plate, and the bottom both ends of connecting plate articulate the well lower extreme at two grab buckets respectively. The utility model avoids soil accumulation, saves site area and improves excavation efficiency of foundation pit earthwork.
Description
Technical Field
The utility model relates to the technical field of subway construction, in particular to an extension telescopic arm structure with a grab bucket for deep excavation of a subway.
Background
In the process of construction of a deep foundation pit of a subway station, in the process of excavating earthwork, the soil in the foundation pit needs to be taken out, and the method currently used is to excavate the earthwork of the foundation pit by using an excavator, and the excavated soil is accumulated on the ground beside the excavator and is loaded and transported out by a loader. However, the method at least needs one excavator and one loading truck, the field of normal operation is limited, and accumulated soil is often not conveyed out, so that the excavator cannot work normally, and the excavation efficiency of the earthwork of the foundation pit is affected.
Disclosure of utility model
The utility model aims to solve the technical problem of providing an extension telescopic arm structure with a grab bucket for deep underground excavation, which solves the problems in the background art, can change the position of the grab bucket for excavating soil, and can directly put the excavated soil on a transport vehicle, thereby improving the excavation efficiency of the earthwork of a foundation pit.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
The lengthened telescopic arm structure with the grab bucket for deep underground excavation comprises an excavator, wherein a control room is arranged on the excavator, and the grab bucket for excavating soil is arranged on the excavator through a large arm; the bottom end of the big arm is hinged to a mounting seat on the excavator, the top end of the big arm is provided with two telescopic mechanisms, and the grab buckets are oppositely arranged at the bottom ends of the telescopic mechanisms; the excavator is provided with a first supporting hydraulic cylinder, and the end part of a telescopic rod of the first supporting hydraulic cylinder is hinged to the middle part of the big arm; the bottom of telescopic machanism is provided with grab bucket installation piece, and the left and right sides of grab bucket installation piece articulates the top at two grab buckets through the pivot respectively, and the front and back both sides of grab bucket installation piece are provided with grab bucket pneumatic cylinder respectively, and the tip of grab bucket pneumatic cylinder telescopic link articulates there is the connecting plate of triangle structure, and the bottom both ends of connecting plate articulate the well lower extreme at two grab buckets respectively.
Further optimizing technical scheme, telescopic machanism is including setting up at the first flexible arm on big arm top, wear to establish the flexible arm of second in first flexible arm and wear to establish the flexible arm of third in the flexible arm of second, and the grab bucket sets up the bottom at the flexible arm of third.
Further optimizing technical scheme, the bottom of first flexible arm is provided with first flexible pneumatic cylinder, and the end connection of first flexible pneumatic cylinder telescopic link is provided with the flexible pneumatic cylinder of second in the bottom of the flexible arm of second, the side of the flexible arm of second, and the end connection of the flexible pole of the flexible pneumatic cylinder of second is in the bottom of the flexible arm of third.
Further optimizing technical scheme, first flexible pneumatic cylinder passes through the mounting panel setting in the bottom of first flexible arm, and the tip of first flexible pneumatic cylinder telescopic link and the flexible pneumatic cylinder of second all set up on the mounting panel of the flexible arm side of second, and the end connection of the flexible pole of second flexible pneumatic cylinder is on the mounting panel of the flexible arm bottom of third.
Further optimizing technical scheme, the junction of first flexible arm and the flexible arm of second and the junction of the flexible arm of second and third all are provided with the limit structure that prevents that top flexible arm bottom and flexible arm top in below from breaking away from.
Further optimizing technical scheme, first flexible arm articulates on the top of big arm through the pivot, and the upper end of big arm sets up the second and supports the pneumatic cylinder, and the tip of the second support pneumatic cylinder telescopic link articulates on first flexible arm.
By adopting the technical scheme, the utility model has the following technical progress.
According to the lengthened telescopic arm structure with the grab bucket for deep underground excavation, disclosed by the utility model, the grab bucket hydraulic cylinder is controlled to excavate the soil, the excavated soil is taken out and then put on the transport vehicle, the excavated soil is directly transported out through the transport vehicle without being put on the ground, and the soil is transported out through the loading vehicle, so that the accumulation of the soil is avoided, the area of a field is saved, and the excavation efficiency of the earthwork of a foundation pit is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
Wherein: 1. excavator, 2 control room, 3 mount, 4 big arm, 5 first support hydraulic cylinder, 6 first telescopic arm, 7 second telescopic arm, 8 third telescopic arm, 9 first telescopic hydraulic cylinder, 10 grab bucket mounting block, 11 grab bucket, 12 grab bucket hydraulic cylinder, 13 second support hydraulic cylinder, 14 mounting plate, 15 second telescopic hydraulic cylinder, 16 connecting plate.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the specific embodiments.
The utility model provides a subway deep-cut is with extension telescopic boom structure of taking grab bucket, combines the fig. 1 to show, including excavator 1, control room 2 and grab bucket 11, control room 2 sets up on excavator 1 for control grab bucket action is provided with big arm 4 on the excavator 1, and the tip of big arm 4 is provided with telescopic machanism, and grab bucket 11 sets up in telescopic machanism's bottom, is used for carrying out the excavation to subway station deep basal pit.
The excavator 1 is provided with a mounting seat 3, the bottom of the big arm 4 is hinged on the mounting seat 3, the excavator 1 is provided with a first supporting hydraulic cylinder 5, the end part of a telescopic rod of the first supporting hydraulic cylinder is hinged at the middle part of the big arm 4, the first supporting hydraulic cylinder 5 drives the big arm 4 to rotate along the mounting seat at the bottom, and the inclination angle of the big arm 4 is changed, so that the height of the end part of the big arm 4 is changed.
The telescopic machanism sets up the tip at big arm 4 through the pivot, and telescopic machanism includes first flexible arm 6, flexible arm 7 of second and flexible arm 8 of third, and flexible arm 7 of second wears to establish in first flexible arm 6, and flexible arm 8 of third wears to establish in flexible arm 7 of second.
The bottom of first flexible arm 6 is provided with first flexible pneumatic cylinder 9 through mounting panel 14, and the bottom of second flexible arm 7 is provided with second flexible pneumatic cylinder 15 through mounting panel 14, and the tip of first flexible pneumatic cylinder telescopic link sets up on the mounting panel of second flexible arm bottom for it is flexible to drive the flexible of second flexible arm, and the tip of the flexible pole of second flexible arm pneumatic cylinder sets up on the mounting panel 14 of second flexible arm 8 bottom, is used for driving the flexible of third flexible arm.
The junction of the first telescopic boom 6 and the second telescopic boom 7 and the junction of the second telescopic boom 7 and the second telescopic boom 8 are both provided with limiting mechanisms, so that the bottom end of the upper telescopic boom and the top end of the lower telescopic boom are prevented from separating after the telescopic boom stretches, and the lower telescopic boom does not stretch after stretching in place.
The limiting mechanism comprises a limiting ring arranged at the bottom end of the upper telescopic arm and a limiting block arranged at the top end of the lower telescopic arm, the structure of the limiting block is larger than that of the limiting ring, and after the lower telescopic arm stretches in place, the limiting block is positioned above the limiting ring, so that the telescopic arm is prevented from being separated.
The first telescopic boom 6 is hinged to the top end of the big boom 4 through a rotating shaft, a second supporting hydraulic cylinder 13 is arranged at the upper end of the big boom 4, and the end part of a telescopic rod of the second supporting hydraulic cylinder is hinged to the first telescopic boom 6 to change the inclination angle of the telescopic boom.
The telescopic mechanism may be provided as a plurality of telescopic arms which are sleeved, and is not limited to the first telescopic arm, the second telescopic arm and the third telescopic arm in the present application.
The grab bucket 11 is set up to two relatively, set up in the bottom of the flexible arm of third 8 relatively, the bottom of the flexible arm of third 8 is provided with grab bucket installation piece 10, the left and right sides of grab bucket installation piece 10 articulates the top at two grab buckets 11 through the pivot respectively, the front and back both sides of grab bucket installation piece 10 are provided with grab bucket pneumatic cylinder 12 respectively, the tip of grab bucket pneumatic cylinder 12 telescopic link articulates there is connecting plate 16, connecting plate 16 is the triangle structure, the bottom both ends of connecting plate 16 articulate the middle lower extreme at two grab buckets 11 respectively. When the soil is dug, the grab bucket hydraulic cylinder stretches to push the connecting block to move downwards to separate the lower ends of the two grab buckets to dig the soil, after the soil is dug, the grab bucket hydraulic cylinder retracts, the electric connecting block moves upwards to combine the lower ends of the two grab buckets, and the grab buckets grab the dug soil.
When the excavator is used, according to the parking position of the excavator and the position of the excavated soil, the inclination angles of the large arm and the telescopic arm are changed through the first supporting hydraulic cylinder and the second supporting hydraulic cylinder, so that the position of the grab bucket for excavating the soil is changed, the depth of the grab bucket is changed through the first telescopic hydraulic cylinder and the second telescopic hydraulic cylinder according to the depth of the excavated soil, the grab bucket is controlled to excavate the soil, the grab bucket is controlled to take out the excavated soil and then put the excavated soil on a transport vehicle, the transport vehicle is used for directly transporting the excavated soil without putting the excavated soil on the ground, and the loading vehicle is used for transporting the soil, so that the accumulation of the soil is avoided, the field area is saved, and the excavation efficiency of the earthwork of a foundation pit is improved.
Claims (6)
1. The lengthened telescopic arm structure with the grab bucket for deep underground excavation comprises an excavator (1), wherein a control room (2) is arranged on the excavator (1), and the grab bucket (11) for excavating soil is arranged on the excavator (1) through a large arm (4); the method is characterized in that: the bottom ends of the large arms (4) are hinged to the mounting seats (3) on the excavator (1), the top ends of the large arms (4) are provided with telescopic mechanisms, and two grab buckets (11) are arranged at the bottom ends of the telescopic mechanisms in an opposite mode; the excavator (1) is provided with a first supporting hydraulic cylinder (5), and the end part of a telescopic rod of the first supporting hydraulic cylinder is hinged to the middle part of the big arm (4); the telescopic mechanism is characterized in that a grab bucket mounting block (10) is arranged at the bottom end of the telescopic mechanism, the left side and the right side of the grab bucket mounting block (10) are hinged to the top ends of two grab buckets (11) through rotating shafts respectively, grab bucket hydraulic cylinders (12) are arranged on the front side and the rear side of the grab bucket mounting block (10) respectively, a connecting plate (16) with a triangular structure is hinged to the end portion of a telescopic rod of each grab bucket hydraulic cylinder, and the two ends of the bottom of the connecting plate (16) are hinged to the middle lower ends of the two grab buckets (11) respectively.
2. The extended telescopic boom structure with a grab bucket for deep underground excavation of the subway according to claim 1, wherein: the telescopic mechanism comprises a first telescopic arm (6) arranged at the top end of the big arm (4), a second telescopic arm (7) penetrating through the first telescopic arm (6) and a third telescopic arm (8) penetrating through the second telescopic arm (7), and the grab bucket (11) is arranged at the bottom end of the third telescopic arm (8).
3. The extended telescopic boom structure with a grab bucket for deep excavation of subways according to claim 2, characterized in that: the bottom of first flexible arm (6) is provided with first flexible pneumatic cylinder (9), and the end connection of first flexible pneumatic cylinder telescopic link is in the bottom of the flexible arm of second (7), and the side of flexible arm of second (7) is provided with flexible pneumatic cylinder of second (15), and the end connection of the flexible pole of flexible pneumatic cylinder of second is in the bottom of the flexible arm of third (8).
4. The extended telescopic boom structure with a grab bucket for deep excavation of subways according to claim 3, characterized in that: the first telescopic hydraulic cylinder (9) is arranged at the bottom end of the first telescopic arm (6) through a mounting plate (14), the end part of a telescopic rod of the first telescopic hydraulic cylinder and the second telescopic hydraulic cylinder (15) are both arranged on the mounting plate (14) at the side end of the second telescopic arm (7), and the end part of the telescopic rod of the second telescopic hydraulic cylinder is connected to the mounting plate at the bottom end of the third telescopic arm (8).
5. The extended telescopic boom structure with a grab bucket for deep excavation of subways according to claim 2, characterized in that: the limiting structures for preventing the bottom end of the upper telescopic arm from being separated from the top end of the lower telescopic arm are arranged at the joint of the first telescopic arm (6) and the second telescopic arm (7) and the joint of the second telescopic arm (7) and the third telescopic arm (8).
6. The extended telescopic boom structure with a grab bucket for deep excavation of subways according to claim 2, characterized in that: the first telescopic boom (6) is hinged to the top end of the big boom (4) through a rotating shaft, a second supporting hydraulic cylinder (13) is arranged at the upper end of the big boom (4), and the end part of a telescopic rod of the second supporting hydraulic cylinder is hinged to the first telescopic boom (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771120.9U CN220827151U (en) | 2023-10-17 | 2023-10-17 | Lengthened telescopic arm structure with grab bucket for deep excavation of subway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322771120.9U CN220827151U (en) | 2023-10-17 | 2023-10-17 | Lengthened telescopic arm structure with grab bucket for deep excavation of subway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220827151U true CN220827151U (en) | 2024-04-23 |
Family
ID=90721837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322771120.9U Active CN220827151U (en) | 2023-10-17 | 2023-10-17 | Lengthened telescopic arm structure with grab bucket for deep excavation of subway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220827151U (en) |
-
2023
- 2023-10-17 CN CN202322771120.9U patent/CN220827151U/en active Active
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