CN218658888U - Tunnel base angle pressure relief groove excavation mechanism - Google Patents
Tunnel base angle pressure relief groove excavation mechanism Download PDFInfo
- Publication number
- CN218658888U CN218658888U CN202222623947.0U CN202222623947U CN218658888U CN 218658888 U CN218658888 U CN 218658888U CN 202222623947 U CN202222623947 U CN 202222623947U CN 218658888 U CN218658888 U CN 218658888U
- Authority
- CN
- China
- Prior art keywords
- rod
- connecting seat
- seat
- pressure relief
- mounting panel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The utility model belongs to the technical field of the roadway support construction, concretely relates to tunnel base angle decompression groove excavation mechanism, comprising a base plate, be equipped with connecting seat and lower connecting seat on the bottom plate, it sets up in the mounting bracket bottom surface to go up the rotating seat that the connecting seat rotates to be connected, top slide and back tie-beam are installed to the mounting bracket top surface, it is connected with preceding mounting panel to go up sliding seat sliding connection's last polish rod, the lower polish rod sliding connection slide that preceding mounting panel is connected, preceding mounting panel is through the inherent pneumatic pick of u type pipe clamping, pneumatic cylinder is connected with preceding mounting panel to back tie-beam, install controller and grab handle on the back tie-beam, lower connecting seat rotates the body of rod one of connecting and the middle-end rotation connection hydraulic stem of the body of rod two, and the bottom is rotated and is connected with the footing. The utility model has the advantages that: the bottom plate can be lifted under the folding control of the first rod body and the second rod body, the mounting frame can drive the air pick to rotate back and forth, and the air pick can move back and forth under the stretching of the hydraulic cylinder, so that an operator can use the air pick for labor-saving control to perform slotting work.
Description
Technical Field
The utility model belongs to the technical field of the tunnel is strutted and is under construction, concretely relates to tunnel base angle pressure relief groove excavation mechanism.
Background
The clearance-exciting pressure relief is carried out by digging pressure relief grooves with the diameter not less than 600mm multiplied by 600mm at the bottom corners of two sides of a common soft rock roadway; under the conditions of large roadway span and serious bottom heave, excavating a pressure relief groove with the length of not less than 800mm multiplied by 800 mm; 1-2 pressure relief grooves with the diameter of not less than 600mm multiplied by 800mm are additionally arranged in the middle of the roadway bottom plate, and the depth of the pressure relief grooves into the upper part is generally not less than 300mm. The pressure relief groove is excavated at the key position of roadway stress concentration, so that the weak surface in the surrounding rock can be increased, the void degree of the surrounding rock is improved, the release of the stress of the original rock and the smoothness of the flowing line of grouting slurry are facilitated, and the effects of releasing the internal stress of the surrounding rock and improving the cementing range of the surrounding rock after grouting are achieved.
As shown in fig. 1, the pressure relief grooves are generally formed in the bottom corners of two sides of the roadway, the conventional roadway pressure relief grooves are generally formed in a working mode that an air pick is manually used to match with a small excavator, and the air pick is heavy and has a poor working environment in the roadway, so that physical strength of workers can be rapidly reduced in the process of using the air pick to break rock masses, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model aims to: the utility model provides a tunnel base angle pressure release groove excavation mechanism, solves the problem that traditional manual hand-held pneumatic pick bores to establish pressure release groove construction intensity height, work efficiency hangs down.
For the purpose of realizing above, the utility model discloses a technical scheme: tunnel base angle pressure relief groove excavation mechanism, comprising a base plate, the upper and lower terminal surface of bottom plate is equipped with connecting seat and lower connecting seat respectively, it rotates and is connected with the rotation seat to go up the connecting seat, the rotation seat sets up the bottom surface at the mounting bracket, slide and back tie-beam are installed to the top surface of mounting bracket, slide mounting's the front end of going up the polished rod on going up the slide and being connected with preceding mounting panel, the one end of polished rod is down connected to preceding mounting panel, polished rod sliding connection slide down, the inherent pneumatic pick of u type pipe clamping is passed through to the top surface of preceding mounting panel, the both ends of pneumatic cylinder are connected respectively to back tie-beam and preceding mounting panel, controller and grab handle are installed to the rear end of back tie-beam, the connecting seat rotates the one end of connecting body of rod one and body of rod two down, the middle-end of body of rod one and body of rod two rotates the both ends of connecting the hydraulic stem, the other end of body of rod one and body of rod two all rotates and is connected with the footing, the both sides of footing have been equipped with the mounting hole on curb plate and the footing.
The utility model has the advantages that: the bottom plate can be lifted under the folding control of the first rod body and the second rod body, the mounting frame can drive the air pick to rotate back and forth, and the air pick can move back and forth under the stretching of the hydraulic cylinder, so that an operator can use the air pick for labor-saving control to perform slotting work.
The bottom ends of the first rod body and the second rod body are convenient to move and adjust;
as a further improvement of the above technical solution: the end, far away from the footing, of the side plate inclines upwards, and the front end and the rear end of the side plate are flush with the front end and the rear end of the footing.
The beneficial effect of this improvement does: during the lateral plate of buckling upwards can avoid the footing to imbed the rubble of bottom plate when moving on the bottom plate, influence the folding rotation of body of rod two, hydraulic stem.
In order to ensure the stability of the first rod body and the second rod body during long-time work;
as a further improvement of the above technical solution: the mounting hole is vertically perforated on the bottom foot.
The beneficial effect of this improvement does: when using the pneumatic pick for a long time, operating personnel can use the crab-bolt footing to provide stable support to the pneumatic pick.
The use of the air pick is convenient;
as a further improvement of the above technical solution: the first rod body and the second rod body are rod bodies with the same structure size, and the vertical surface where the axis of the pin hole formed in the lower connecting seat is located is perpendicular to the vertical surfaces where the axis of the pin hole formed in the upper connecting seat and the pin hole formed in the rotating seat are located.
The beneficial effect of this improvement does: the mounting bracket can drive the pneumatic pick to rotate around the connecting seat serving as a fulcrum, and the mounting bracket can be matched with a bottom plate which can be driven by the folding of the first rod body and the second rod body to lift so as to improve the use convenience of the pneumatic pick.
The use of the air pick is convenient;
as a further improvement of the above technical solution: the terminal surface of back tie-beam is connected to the one end of the cylinder body of pneumatic cylinder, the terminal surface of mounting panel before the one end of piston rod of pneumatic cylinder is connected.
The beneficial effect of this improvement does: the hydraulic cylinder can stretch and drive the air pick to move, so that the air pick can dig different depths.
In order to provide stable support for the air pick;
as a further improvement of the above technical solution: the number of the upper polish rods is two, the upper polish rods are symmetrically arranged on two sides of the hydraulic cylinder, when the hydraulic cylinder stretches to the minimum stroke, the rear end of the upper polish rod is not in contact with the rear connecting beam, and the structural size of the lower polish rod is the same as that of the upper polish rod.
The beneficial effect of this improvement does: the lower polish rod and the upper polish rod can play a role in guiding and supporting, and the use stability of the pneumatic pick is improved.
In order to improve the convenience of the air pick;
as a further improvement of the above technical solution: the number of the grab handles is two, and the grab handles are respectively arranged on the left side and the right side of the rear end face of the rear connecting beam.
The beneficial effect of this improvement does: the operator can hold the grab handles with two hands after opening the air pick, so that the air pick can be controlled and used more laborsavingly.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic view of a pressure relief groove;
fig. 2 is a first schematic structural diagram of the present invention;
FIG. 3 is a second schematic structural view of the present invention;
in the figure: 1. a base plate; 2. an upper connecting seat; 3. a lower connecting seat; 4. rotating the base; 5. a mounting frame; 6. an upper slide base; 7. a rear connecting beam; 8. feeding a polish rod; 9. a front mounting plate; 10. a u-shaped pipe clamp; 11. a pneumatic pick; 12. a hydraulic cylinder; 13. a controller; 14. a handle; 15. a lower slide base; 16. a polish rod is arranged; 17. a first rod body; 18. a second rod body; 19. a hydraulic rod; 20. footing; 21. a side plate; 22. and (7) installing holes.
Detailed Description
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Example 1:
as shown in fig. 2-3: tunnel base angle decompression groove excavation mechanism, including bottom plate 1, the upper and lower terminal surface of bottom plate 1 is equipped with connecting seat 2 and connecting seat 3 down respectively, it is connected with rotation seat 4 to go up connecting seat 2 rotation, it sets up the bottom surface at mounting bracket 5 to rotate seat 4, slide 6 and back tie-beam 7 are installed to the top surface of mounting bracket 5, slide-mounting's last smooth rod 8's on last slide 6 front end is connected with preceding mounting panel 9, smooth rod 16's one end is down connected to preceding mounting panel 9, slide 15 is down moved down to polish rod 16 sliding connection, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of connecting rod body one 17 and body of rod two 18 down, the middle-end of body one 17 and body of rod two 18 rotates the both ends of connecting hydraulic stem 19, body of rod 17 and body of the other end all rotates and is connected with 20, the both sides of body two are equipped with footing 21 and have seted up mounting hole 22 on footing 20.
The working principle of the technical scheme is as follows: an operator controls the hydraulic rod 19 to extend and retract through the controller 13, so that the first rod body 17 and the second rod body 18 rotate with the connecting base 3 as a fulcrum below, the bottom plate 1 is driven to lift, the air pick 11 moves to a proper using height, then the operator holds the handle 14, the mounting frame 5 rotates with the connecting base 2 as the fulcrum, a drill rod mounted at the front end of the air pick 11 faces to a position to be drilled, then the operator starts the air pick 11 and controls the hydraulic cylinder 12 to extend and retract through the controller 13, the hydraulic cylinder 12 drives the air pick 11 to move forwards through the front mounting plate 9, the upper polish rod 8 and the lower polish rod 16 respectively slide in the upper slide seat 6 and the lower slide seat 15 at the moment, stable support is provided for the air pick 11, when the drill rod of the air pick 11 contacts with the inner wall of a roadway, grooving operation can be performed, the weight of the air pick 11 is supported by the bottom feet 20 and is transmitted to the ground, the purpose of labor-saving construction is achieved, and when the bottom feet 20 can be inserted into the mounting holes 22 to be fixed on the ground during long-time operation, and more effective support is provided for the air pick 11.
Example 2:
as shown in fig. 2-3, as a further optimization of the above embodiment, the roadway floor angle pressure relief groove excavation mechanism includes a bottom plate 1, the upper and lower end surfaces of the bottom plate 1 are respectively provided with an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 is rotatably connected with a rotating seat 4, the rotating seat 4 is arranged on the bottom surface of a mounting frame 5, the top surface of the mounting frame 5 is provided with an upper sliding seat 6 and a rear connecting beam 7, the front end of an upper polish rod 8 slidably mounted on the upper sliding seat 6 is connected with a front mounting plate 9, the front mounting plate 9 is connected with one end of a lower polish rod 16, the lower polish rod 16 is slidably connected with a lower sliding seat 15, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of the connecting rod body one 17 and the body of rod two 18 down, the body of rod one 17 rotates the both ends of connecting hydraulic stem 19 with the middle-end of the body of rod two 18, the other end of the body of rod one 17 and the body of rod two 18 all rotates and is connected with footing 20, mounting hole 22 has been seted up on footing 20's both sides are equipped with curb plate 21 and footing 20. The end of the side plate 21 far away from the foot 20 is inclined upwards, and the front end and the rear end of the side plate 21 are flush with the front end and the rear end of the foot 20.
Example 3:
as shown in fig. 2-3, as a further optimization of the above embodiment, the roadway floor angle pressure relief groove excavation mechanism includes a bottom plate 1, the upper and lower end surfaces of the bottom plate 1 are respectively provided with an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 is rotatably connected with a rotating seat 4, the rotating seat 4 is arranged on the bottom surface of a mounting frame 5, the top surface of the mounting frame 5 is provided with an upper sliding seat 6 and a rear connecting beam 7, the front end of an upper polish rod 8 slidably mounted on the upper sliding seat 6 is connected with a front mounting plate 9, the front mounting plate 9 is connected with one end of a lower polish rod 16, the lower polish rod 16 is slidably connected with a lower sliding seat 15, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of the connecting rod body one 17 and the body of rod two 18 down, the body of rod one 17 rotates the both ends of connecting hydraulic stem 19 with the middle-end of the body of rod two 18, the other end of the body of rod one 17 and the body of rod two 18 all rotates and is connected with footing 20, mounting hole 22 has been seted up on footing 20's both sides are equipped with curb plate 21 and footing 20. The mounting hole 22 is vertically perforated on the bottom foot 20.
Example 4:
as shown in fig. 2-3, as a further optimization of the above embodiment, the roadway floor angle pressure relief groove excavation mechanism includes a bottom plate 1, the upper and lower end surfaces of the bottom plate 1 are respectively provided with an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 is rotatably connected with a rotating seat 4, the rotating seat 4 is arranged on the bottom surface of a mounting frame 5, the top surface of the mounting frame 5 is provided with an upper sliding seat 6 and a rear connecting beam 7, the front end of an upper polish rod 8 slidably mounted on the upper sliding seat 6 is connected with a front mounting plate 9, the front mounting plate 9 is connected with one end of a lower polish rod 16, the lower polish rod 16 is slidably connected with a lower sliding seat 15, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of the connecting rod body one 17 and the body of rod two 18 down, the body of rod one 17 rotates the both ends of connecting hydraulic stem 19 with the middle-end of the body of rod two 18, the other end of the body of rod one 17 and the body of rod two 18 all rotates and is connected with footing 20, mounting hole 22 has been seted up on footing 20's both sides are equipped with curb plate 21 and footing 20. The first rod body 17 and the second rod body 18 are rod bodies with the same structure and size, and the vertical surface where the axes of the pin holes formed in the lower connecting seat 3 are located is perpendicular to the vertical surface where the axes of the pin holes formed in the upper connecting seat 2 and the rotating seat 4 are located.
Example 5:
as shown in fig. 2-3, as the further optimization of above-mentioned embodiment, tunnel base angle decompression groove excavation mechanism, including bottom plate 1, the upper and lower terminal surface of bottom plate 1 is equipped with connecting seat 2 and lower connecting seat 3 respectively, it is connected with rotation seat 4 to go up connecting seat 2 rotation, it sets up the bottom surface at mounting bracket 5 to rotate seat 4, upper slide 6 and rear connection roof beam 7 are installed to the top surface of mounting bracket 5, upper slide 6 goes up sliding mounting's last polished rod 8's front end and is connected with preceding mounting panel 9, preceding mounting panel 9 is connected with the one end of polished rod 16 down, polished rod 16 sliding connection lower slide 15 down, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to rear connection roof beam 7 and preceding mounting panel 9, controller 13 and 14 are installed to the rear end of rear connection roof beam 7, connecting seat 3 rotates the one end of connecting rod body one 17 and body two 18 down, the middle-end of body 17 and two body 18 rotates the both ends of connecting rod 19, the other end of body 17 and two body handles 18 all rotate the both ends of the connecting rod, the footing 20 that are equipped with footing 20 and the both sides of being equipped with installation curb plate hole 20 and just install the installation curb plate hole 20. One end of the cylinder body of the hydraulic cylinder 12 is connected with the end surface of the rear connecting beam 7, and one end of the piston rod of the hydraulic cylinder 12 is connected with the end surface of the front mounting plate 9.
Example 6:
as shown in fig. 2-3, as a further optimization of the above embodiment, the roadway floor angle pressure relief groove excavation mechanism includes a bottom plate 1, the upper and lower end surfaces of the bottom plate 1 are respectively provided with an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 is rotatably connected with a rotating seat 4, the rotating seat 4 is arranged on the bottom surface of a mounting frame 5, the top surface of the mounting frame 5 is provided with an upper sliding seat 6 and a rear connecting beam 7, the front end of an upper polish rod 8 slidably mounted on the upper sliding seat 6 is connected with a front mounting plate 9, the front mounting plate 9 is connected with one end of a lower polish rod 16, the lower polish rod 16 is slidably connected with a lower sliding seat 15, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of the connecting rod body one 17 and the body of rod two 18 down, the body of rod one 17 rotates the both ends of connecting hydraulic stem 19 with the middle-end of the body of rod two 18, the other end of the body of rod one 17 and the body of rod two 18 all rotates and is connected with footing 20, mounting hole 22 has been seted up on footing 20's both sides are equipped with curb plate 21 and footing 20. The number of the upper polish rods 8 is two, the upper polish rods are symmetrically arranged on two sides of the hydraulic cylinder 12, when the hydraulic cylinder 12 extends to the minimum stroke, the rear end of the upper polish rod 8 is not in contact with the rear connecting beam 7, and the structural size of the lower polish rod 16 is the same as that of the upper polish rod 8.
Example 7:
as shown in fig. 2-3, as a further optimization of the above embodiment, the roadway floor angle pressure relief groove excavation mechanism includes a bottom plate 1, the upper and lower end surfaces of the bottom plate 1 are respectively provided with an upper connecting seat 2 and a lower connecting seat 3, the upper connecting seat 2 is rotatably connected with a rotating seat 4, the rotating seat 4 is arranged on the bottom surface of a mounting frame 5, the top surface of the mounting frame 5 is provided with an upper sliding seat 6 and a rear connecting beam 7, the front end of an upper polish rod 8 slidably mounted on the upper sliding seat 6 is connected with a front mounting plate 9, the front mounting plate 9 is connected with one end of a lower polish rod 16, the lower polish rod 16 is slidably connected with a lower sliding seat 15, the top surface of preceding mounting panel 9 presss from both sides intrinsic pneumatic pick 11 through u type pipe strap 10, the both ends of pneumatic cylinder 12 are connected respectively to back tie-beam 7 and preceding mounting panel 9, controller 13 and grab handle 14 are installed to the rear end of back tie-beam 7, connecting seat 3 rotates the one end of the connecting rod body one 17 and the body of rod two 18 down, the body of rod one 17 rotates the both ends of connecting hydraulic stem 19 with the middle-end of the body of rod two 18, the other end of the body of rod one 17 and the body of rod two 18 all rotates and is connected with footing 20, mounting hole 22 has been seted up on footing 20's both sides are equipped with curb plate 21 and footing 20. The number of the grab handles 14 is two, and the grab handles are respectively arranged on the left side and the right side of the rear end surface of the rear connecting beam 7.
The utility model discloses a theory of operation and use flow: an operator controls the hydraulic rod 19 to extend and retract through the controller 13, so that the first rod body 17 and the second rod body 18 rotate with the connecting base 3 as a fulcrum below, the bottom plate 1 is driven to lift, the air pick 11 moves to a proper using height, then the operator holds the handle 14, the mounting frame 5 rotates with the connecting base 2 as the fulcrum, a drill rod mounted at the front end of the air pick 11 faces to a position to be drilled, then the operator starts the air pick 11 and controls the hydraulic cylinder 12 to extend and retract through the controller 13, the hydraulic cylinder 12 drives the air pick 11 to move forwards through the front mounting plate 9, the upper polish rod 8 and the lower polish rod 16 respectively slide in the upper slide seat 6 and the lower slide seat 15 at the moment, stable support is provided for the air pick 11, when the drill rod of the air pick 11 contacts with the inner wall of a roadway, grooving operation can be performed, the weight of the air pick 11 is supported by the bottom feet 20 and is transmitted to the ground, the purpose of labor-saving construction is achieved, and when the bottom feet 20 can be inserted into the mounting holes 22 to be fixed on the ground during long-time operation, and more effective support is provided for the air pick 11.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the above technical features may be combined in a suitable manner; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.
Claims (7)
1. Tunnel base angle pressure release groove excavation mechanism, its characterized in that: roadway base angle pressure relief groove excavation mechanism, including bottom plate (1), the upper and lower terminal surface of bottom plate (1) is equipped with connecting seat (2) and connecting seat (3) down respectively, go up connecting seat (2) and rotate and be connected with rotation seat (4), it sets up the bottom surface at mounting bracket (5) to rotate seat (4), upper slide (6) and back tie-beam (7) are installed to the top surface of mounting bracket (5), the front end of last smooth rod (8) of slidable mounting on upper slide (6) is connected with preceding mounting panel (9), the one end of polished rod (16) is down connected to preceding mounting panel (9), polished rod (16) sliding connection lower slide (15) down, the top surface of preceding mounting panel (9) presss from both sides intrinsic pneumatic pick (11) through u type pipe strap (10), the both ends of pneumatic cylinder (12) are connected respectively to back tie-beam (7) and preceding mounting panel (9), controller (13) and grab handle (14) are installed to the rear end of back tie-beam (7), connecting seat (3) rotate the one end of the body of rod one (17) and body of rod two (18) down, the middle-end of body of rod one (17) and body of rod two (18) rotates the both ends of connecting hydraulic stem (19), the other end of body of rod one (17) and body of rod two (18) all rotates and is connected with footing (20), the two sides of the bottom foot (20) are provided with side plates (21), and the bottom foot (20) is provided with a mounting hole (22).
2. The roadway floor angle pressure relief groove excavation mechanism of claim 1, characterized in that: one end, far away from the bottom foot (20), of the side plate (21) inclines upwards, and the front end and the rear end of the side plate (21) are flush with the front end and the rear end of the bottom foot (20).
3. The roadway bottom corner pressure relief groove excavation mechanism of claim 1, wherein: the mounting holes (22) are vertically perforated on the bottom feet (20).
4. The roadway bottom corner pressure relief groove excavation mechanism of claim 1, wherein: the first rod body (17) and the second rod body (18) are rod bodies with the same structure and size, and the vertical surface where the axis of the pin hole formed in the lower connecting seat (3) is located is perpendicular to the vertical surface where the axis of the pin hole formed in the upper connecting seat (2) and the rotating seat (4) is located.
5. The roadway floor angle pressure relief groove excavation mechanism of claim 1, characterized in that: the end face of back tie-beam (7) is connected to the one end of the cylinder body of pneumatic cylinder (12), the terminal surface of preceding mounting panel (9) is connected to the one end of the piston rod of pneumatic cylinder (12).
6. The roadway floor angle pressure relief groove excavation mechanism of claim 1, characterized in that: the number of the upper polish rods (8) is two, the two polish rods are symmetrically arranged on two sides of the hydraulic cylinder (12), when the hydraulic cylinder (12) stretches to the minimum stroke, the rear end of the upper polish rod (8) is not in contact with the rear connecting beam (7), and the structural size of the lower polish rod (16) is the same as that of the upper polish rod (8).
7. The roadway floor angle pressure relief groove excavation mechanism of claim 1, characterized in that: the number of the grab handles (14) is two, and the grab handles are respectively arranged on the left side and the right side of the rear end face of the rear connecting beam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623947.0U CN218658888U (en) | 2022-10-08 | 2022-10-08 | Tunnel base angle pressure relief groove excavation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222623947.0U CN218658888U (en) | 2022-10-08 | 2022-10-08 | Tunnel base angle pressure relief groove excavation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218658888U true CN218658888U (en) | 2023-03-21 |
Family
ID=85562761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222623947.0U Active CN218658888U (en) | 2022-10-08 | 2022-10-08 | Tunnel base angle pressure relief groove excavation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218658888U (en) |
-
2022
- 2022-10-08 CN CN202222623947.0U patent/CN218658888U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201231532Y (en) | Mobile boring device for building top board | |
| CN108265708B (en) | Piling equipment | |
| CN104594802B (en) | A kind of Combined hydraulic impacts hammer | |
| CN1637229B (en) | Boring device and method for introducing a boring element into the ground | |
| CN218658888U (en) | Tunnel base angle pressure relief groove excavation mechanism | |
| CN108532599B (en) | Working mechanism of highway guardrail pile driving and pulling machine | |
| JPS61176788A (en) | Drilling and/or lifting machine | |
| CN116517465B (en) | Walking type horizontal high-pressure rotary jet drilling machine | |
| CN218204387U (en) | A location mount for civil engineering | |
| CN205276272U (en) | A tub machine is beaten in static pressure pneumatics | |
| CN216130135U (en) | Inner supporting structure for foundation pit | |
| KR102305347B1 (en) | Rock drilling apparatus | |
| CN213476866U (en) | Equipment is implanted to precast tubular pile | |
| CN213478215U (en) | A equipment that is used for digging in undercut tunnel to establish slip casting hole | |
| JP6192085B1 (en) | Pile driver and pile driving method | |
| CN218150734U (en) | Full-hydraulic multifunctional down-the-hole drill | |
| CN218150782U (en) | Drilling equipment for coal mine tunneling operation | |
| CN213297848U (en) | Pile driver for building site building | |
| CN205711681U (en) | Hydraulic ceiling coil slip casting machine | |
| CN215925975U (en) | Hydraulic expanding type soft foundation treatment device | |
| CN212535655U (en) | Angle-adjustable deep hole drilling machine device for tunneling and anchoring machine | |
| CN218439223U (en) | Bored concrete pile pore-forming device | |
| CN218970006U (en) | Get stake pile driver all-in-one | |
| CN220869432U (en) | Tunnel steel arch installation auxiliary support device | |
| CN214783942U (en) | Adjustable geotome for precast tubular pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |