CN112411565A - Geotechnical engineering is with secret excavation guard plate - Google Patents
Geotechnical engineering is with secret excavation guard plate Download PDFInfo
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- CN112411565A CN112411565A CN202011231605.3A CN202011231605A CN112411565A CN 112411565 A CN112411565 A CN 112411565A CN 202011231605 A CN202011231605 A CN 202011231605A CN 112411565 A CN112411565 A CN 112411565A
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- rod
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 15
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 8
- 230000036961 partial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 9
- 238000010276 construction Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Component Parts Of Construction Machinery (AREA)
Abstract
The invention belongs to the technical field of geotechnical engineering, and particularly relates to an underground excavation protection plate for geotechnical engineering, which comprises a fixing structure, a supporting mechanism and a support, wherein the fixing structure comprises a protection plate main body, a T-shaped groove matching rod, a horizontal rod and a fixing seat; the protection plate is characterized in that a T-shaped groove is formed in the inner side of the protection plate main body, a first rotating shaft is arranged inside the T-shaped groove, matching rods are rotatably connected to the outer side of the first rotating shaft, a horizontal rod is installed between the two matching rods in a matching mode, a fixing seat is installed on the outer sides of the horizontal rod and the matching rods in a matching mode, a second auxiliary screw is arranged on the inner side of the fixing seat, an auxiliary inclined rod is installed at the top end of the fixing seat in a matching mode, the fixing strength of the protection plate is enhanced through the design of the protection plate for underground operation, meanwhile, partial effect of a supporting frame is added, the design of convenient storage and transportation is achieved, the connection design between the.
Description
Technical Field
The invention belongs to the technical field of geotechnical engineering protective equipment processing, and particularly relates to an underground excavation protective plate for geotechnical engineering.
Background
Geotechnical engineering is a new technical system established in civil engineering practice in 60's of the 20 th century in the countries of the Europe and the America. Geotechnical engineering belongs to one of civil engineering, and the main research objects are rock masses and soil bodies, including problems of foundations and foundations, slopes, underground engineering and the like, and serve as the research objects of the geotechnical engineering.
Underground construction is different with ordinary foundation construction, the supporting device is generally used in the foundation construction, support column and guard plate are used in underground construction, constructor's safety can be protected to the guard plate, reduce the potential safety hazard of groundwater source to the work progress, also be the main support of side construction simultaneously, current guard plate is too simple, the main part is the board, mode rigid coupling through pegging graft and rivet is in the side, fixed effect is not strong, there is the potential safety hazard, the functionality is more weak, only be used for protection and size constancy, the environmental requirement is higher, also adopt the rivet mostly for connection each other, to complicated side wall, fixed effect further descends, the event designs a fixed effect better, can be used to support the top, the flexible guard plate of junction, improve holistic suitability and security.
Disclosure of Invention
In order to overcome the defects of the prior art and solve the problems described in the background art, the invention provides a high-strength large arm action mechanism.
The technical scheme adopted by the invention for solving the technical problems is as follows: the underground excavation protection plate for geotechnical engineering comprises a fixed structure, a supporting mechanism and supports, wherein the fixed structure is positioned below the supporting mechanism, and the supports are positioned at two ends of the fixed structure;
the fixing structure comprises a protection plate main body, a T-shaped groove, a matching rod, a horizontal rod and a fixing seat; the inboard of guard plate main part is provided with T type groove, the inside in T type groove is provided with first pivot, first pivot and the welding of guard plate main part, the outside swivelling joint of first pivot has the cooperation pole, two the horizon bar is installed in the cooperation between the cooperation pole, the one end of horizon bar is passed through the bull stick and is connected with the rotation of guard plate main part, the fixing base is installed in the outside cooperation of horizon bar and cooperation pole, the fixing base is through first auxiliary screw and horizon bar and cooperation pole rigid coupling, the fixing base inboard is provided with the supplementary screw of second, supplementary down tube is installed in the top cooperation of fixing base, the fixing base passes through the supplementary screw of second and supplementary down tube rigid coupling.
Preferably, the bottom welding of fixing base has PMKD, PMKD inserts the rivet through the surface hole and ground rigid coupling, guard plate main part bottom surface hole is through inserting rivet and ground rigid coupling.
Preferably, the outer side of the protection plate main body is welded with a first rotating seat and a matching insert, the matching insert and the first rotating seat are symmetrically distributed on the surface of the protection plate main body, the outer side of the first rotating seat is rotatably provided with a limiting insert, the outer side of the limiting insert is welded with a fixing ball, and the fixing ball is fixedly connected with the matching insert.
Preferably, the supporting mechanism comprises a hydraulic rod, a mounting plate, a connecting plate and a baffle plate; the inside of guard plate main part is provided with the hydraulic stem, the top welding of hydraulic stem has the mounting panel, the top welding of mounting panel has the connecting plate, the one end of connecting plate is provided with the second pivot, the outside of second pivot is rotated and is connected with the baffle.
Preferably, the bottom welding of baffle has two fastening seats, there is the bracing piece fastening of inboard through the bolt rigid coupling of fastening seat, the one end and the mounting panel of bracing piece pass through the bull stick and rotate and be connected.
Preferably, the bottom of baffle is provided with two cooperation lugs, the cooperation lug is connected with the cooperation groove cooperation, the cooperation groove sets up the inboard at the guard plate main part.
Preferably, the inboard in cooperation groove is provided with spacing lug, the one end welding of spacing lug has the push rod, push rod and guard plate main part sliding connection, the one end of push rod is provided with the spring, the spring is located between push rod and the guard plate main part, and is three spacing lug distributes trilaterally in the inboard in cooperation groove, and spacing lug does not conflict with vertical recess.
Preferably, the bracket includes a fastening plate and a through hole; the both sides of guard plate main part all are provided with the mounting plate, the inboard of mounting plate is provided with the through-hole, the mounting plate passes through-hole and side rigid coupling.
Preferably, the both ends of guard plate main part are provided with four second and rotate the seat, the connecting rod is installed to the inboard that the seat was rotated to the second, the second is rotated the seat and is passed through screw hole and connecting rod rigid coupling, connect through the connecting rod between the guard plate main part.
The invention has the technical effects and advantages that:
1. through rotating fit pole and horizon bar, make the hole center of both one ends align, pass through first auxiliary screw and fit pole and horizon bar rigid coupling with the fixing base again, it is fixed with PMKD and ground that rethread rivet, later rotatory supplementary down tube, make the hole and the fixing base top hole center of supplementary down tube one end align, rethread second auxiliary screw is fixed, the three forms the space triangle, for current guard plate, it is stronger to the atress resistance of side wall, can strengthen holistic structural strength, improve structural stability, strengthen fixed effect, thereby the security is improved.
2. Promote the mounting panel through the hydraulic stem and rise to drive connecting plate and baffle and supporting component and rise simultaneously, through rotating the baffle, make its and connecting plate level, later rotate the bracing piece and cooperate with the fastening seat, rethread bolt fastening supports the baffle, reaches the purpose that supports the secret top, improves the functionality of guard plate, makes the effect full play of guard plate.
3. Through unloading first auxiliary screw and second auxiliary screw, lift off all rivets again, later take off the fixing base, change over into T type groove with cooperation pole and horizon bar earlier, change over into T type groove with supplementary down tube again, lie in the cooperation pole and the horizon bar outside, it is fixed with the cooperation is inserted through spacing insert afterwards, restrict at T type inslot with supplementary down tube, lift off the bracing piece again, rotate and pack into the recess, later insert the cooperation groove with the cooperation lug, it is fixed through spring force, can be as an organic whole with the guard plate shrink, in underground environment, be convenient for transport and installation.
4. Rotate seat and connecting rod rigid coupling through the second, can angle regulation before the rigid coupling, connect two guard plates, simple structure is effective, can adapt to secret wall environment to a certain extent, has certain fixed effect simultaneously.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is an overall perspective view of the present invention;
FIG. 2 is an overall front view of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
FIG. 4 is a partial left side view of the present invention;
FIG. 5 is an overall right side view of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 2 at B;
fig. 7 is an overall bottom view of the present invention.
In the figure: 1. a fixed structure; 2. a support mechanism; 3. a support; 101. a guard plate main body; 102. A T-shaped groove; 103. a first rotating shaft; 104. a mating rod; 105. a horizontal bar; 106. a fixed seat; 107. a first auxiliary screw; 108. a second auxiliary screw; 109. an auxiliary diagonal rod; 110. Fixing the bottom plate; 111. a first rotating base; 112. a limiting insert; 113. fixing the round ball; 114. matching the insert; 201. a hydraulic lever; 202. mounting a plate; 203. a connecting plate; 204. a second rotating shaft; 205. a baffle plate; 206. a fastening seat; 207. a support bar; 208. fitting the projection; 209. A mating groove; 210. a limiting bump; 211. a push rod; 212. a spring; 301. a fastening plate; 302. a through hole; 303. a second rotating base; 304. a connecting rod; 305. a threaded bore.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the following embodiments.
As shown in fig. 1 to 7, the underground excavation protection plate for geotechnical engineering comprises a fixed structure 1, a supporting mechanism 2 and supports 3, wherein the fixed structure 1 is positioned below the supporting mechanism 2, and the supports 3 are positioned at two ends of the fixed structure 1;
the fixing structure 1 comprises a protection plate main body 101, a T-shaped groove 102, a matching rod 104, a horizontal rod 105 and a fixing seat 106; the inner side of the protection plate main body 101 is provided with a T-shaped groove 102, a first rotating shaft 103 is arranged inside the T-shaped groove 102, the first rotating shaft 103 is welded with the protection plate main body 101, the outer side of the first rotating shaft 103 is rotatably connected with a matching rod 104, a horizontal rod 105 is installed between the two matching rods 104 in a matching mode, one end of the horizontal rod 105 is rotatably connected with the protection plate main body 101 through the rotating rod, fixing seats 106 are installed on the outer sides of the horizontal rod 105 and the matching rod 104 in a matching mode, the fixing seats 106 are fixedly connected with the horizontal rod 105 and the matching rod 104 through first auxiliary screws 107, second auxiliary screws 108 are arranged on the inner side of the fixing seats 106, auxiliary inclined rods 109 are installed at the top ends of the fixing seats 106 in a matching;
during operation, guard plate main part 101 is as the main part of protection, T type groove 102 is used for placing cooperation pole 104, horizontal rod 105 and supplementary down tube 109, the level of cooperation pole 104 is rotated in the supplementary cooperation of first pivot 103, cooperation pole 104 and horizontal rod 105 cooperation, and guard plate main part 101 forms horizontal triangle, reinforced structure intensity, the fixed effect of reinforcing, fixing base 106 is used for fixed cooperation pole 104 and horizontal rod 105, first auxiliary screw 107 is used for fixed cooperation pole 104, horizontal rod 105 and fixing base 106 three, second auxiliary screw 108 is used for fixed supplementary down tube 109.
As a specific embodiment of the present invention, the bottom end of the fixing seat 106 is welded with a fixing bottom plate 110, the fixing bottom plate 110 is fixedly connected to the ground by inserting a rivet through a surface hole, and the surface hole at the bottom end of the protection plate main body 101 is fixedly connected to the ground by inserting a rivet; during operation, PMKD 110 is used for the installation rivet, with the ground fastening, strengthens fixing of fixing base 106, and protection plate main part 101 bottom surface hole then is used for fixed protection plate main part 101, fixes protection plate main part 101 earlier, can assist installation on next step.
As a specific embodiment of the invention, a first rotating seat 111 and a matching insert 114 are welded on the outer side of a main body 101 of a protection plate, the matching insert 114 and the first rotating seat 111 are symmetrically distributed on the surface of the main body 101 of the protection plate, a limiting insert 112 is rotatably mounted on the outer side of the first rotating seat 111, a fixing ball 113 is welded on the outer side of the limiting insert 112, and the fixing ball 113 is fixedly connected with the matching insert 114 in a matching manner; when the auxiliary inclined rod 109 is in operation, the first rotating seat 111 is used for mounting the limiting insert 112, the auxiliary limiting insert 112 rotates, the limiting insert 112 rotates to insert the fixing ball 113 into the matching insert 114, the fixing ball is fixedly connected with the matching insert 114, the retracted auxiliary inclined rod 109 is limited, and the auxiliary inclined rod 109 can be prevented from rotating out to cause potential safety hazards during transportation.
As a specific embodiment of the present invention, the support mechanism 2 includes a hydraulic rod 201, a mounting plate 202, a connecting plate 203, and a baffle 205; a hydraulic rod 201 is arranged inside the protection plate main body 101, a mounting plate 202 is welded at the top end of the hydraulic rod 201, a connecting plate 203 is welded at the top end of the mounting plate 202, a second rotating shaft 204 is arranged at one end of the connecting plate 203, and a baffle plate 205 is rotatably connected to the outer side of the second rotating shaft 204; during operation, the hydraulic rod 201 is used as a power source to push the mounting plate 202 to ascend, the mounting plate 202 is connected with one end of the supporting rod 207, the auxiliary supporting rod 207 rotates, the second rotating shaft 204 is connected with the baffle 205 and the connecting plate 203, and the auxiliary baffle 205 rotates.
As a specific embodiment of the present invention, two fastening seats 206 are welded at the bottom end of the baffle 205, a support rod 207 is fixedly connected to the inner side of the fastening seat 206 through a bolt, and one end of the support rod 207 is rotatably connected to the mounting plate 202 through a rotating rod; during operation, the supporting rod 207 is fixed by the fastening seat 206, and the baffle 205 is supported by the supporting rod 207, so that the structural strength is enhanced, the contact area is increased, and the supporting effect is improved.
As a specific embodiment of the present invention, the bottom end of the baffle 205 is provided with two matching protrusions 208, the matching protrusions 208 are connected with matching grooves 209 in a matching manner, and the matching grooves 209 are arranged on the inner side of the protection plate main body 101; during operation, the matching protrusion 208 is inserted into the matching groove 209, so that the baffle 205 is in contact with the protection plate main body 101 for storage, and the position of the supporting rod 207 can be limited, thereby ensuring the integrity.
As a specific embodiment of the present invention, a limit protrusion 210 is disposed inside the fitting groove 209, one end of the limit protrusion 210 is welded with a push rod 211, the push rod 211 is slidably connected with the guard plate main body 101, one end of the push rod 211 is provided with a spring 212, the spring 212 is located between the push rod 211 and the guard plate main body 101, the three limit protrusions 210 are distributed on three inner sides of the fitting groove 209, and the limit protrusions 210 do not collide with the vertical groove; when the positioning device works, when the matching lug 208 is inserted into the matching groove 209, the limiting lug 210 is extruded by the matching lug 208, the limiting lug 210 moves to drive the push rod 211 to move, the spring 212 is extruded, and the limiting lug 210 is fixed by the spring 212 through elasticity.
As a specific embodiment of the present invention, the bracket 3 includes a fastening plate 301 and a through hole 302; the two sides of the protection plate main body 101 are both provided with fastening plates 301, the inner sides of the fastening plates 301 are provided with through holes 302, and the fastening plates 301 are fixedly connected with the side faces through the through holes 302; in operation, the fastening plate 301 is used for fixing the side direction protection plate, and the through hole 302 is used for installing a rivet.
As a specific embodiment of the present invention, two ends of the fender body 101 are provided with four second rotating seats 303, a connecting rod 304 is installed inside the second rotating seats 303, the second rotating seats 303 are fixedly connected with the connecting rod 304 through threaded holes 305, and the fender bodies 101 are connected through the connecting rod 304; in operation, the second rotating base 303 is used for fixing the connecting rod 304, the threaded hole 305 is used for installing a bolt, and the second rotating base 303 and the connecting rod 304 are fixed for connection between two protection plates.
When the device works, a fastening plate 301 is fixed on the side surface by a rivet through a through hole 302, a protection plate main body 101 is further fixed, a fixing ball 113 is pulled out from a matching insert 114, a limiting insert 112 is rotated, the fixing ball rotates about 120 degrees around a first rotating seat 111, an auxiliary inclined rod 109 is rotated about 60 degrees in a T-shaped groove 102, then the matching rod 104 is rotated out by the aid of a first rotating shaft 103, a horizontal rod 105 is rotated out at the same time, the central circles of the matching rod 104 and the horizontal rod 105 are aligned, a hole on the inner side of a fixed seat 106 where a first auxiliary screw 107 is located is aligned with the central circle, the first auxiliary screw is screwed into the matching rod 104, the horizontal rod 105 and the fixed seat 106, the auxiliary inclined rod 109 is rotated to a second auxiliary screw 108 to be matched with the hole, the second auxiliary screw 108 is used for fixing, bottom fixing is completed, and the holes of a bottom plate 110 are fixed by the rivet, integrally fixing the protection plate;
then, the fixing structure 1 is used according to the requirement, when the opposite side needs to be reinforced and fixed, the baffle plate 205 is pulled out, the matching lug 208 is pulled out from the matching groove 209, the matching lug 208 moves to extrude the limiting lug 210 to drive the push rod 211 to move, so that the spring 212 is in a compressed state, after the baffle plate 205 is pulled out, the support rod 207 is screwed out and fixed on the fastening seat 206 through bolts, the hydraulic rod 201 is started to ascend to drive the mounting plate 202 to ascend, the connecting plate 203 ascends along with the ascending to drive the connecting plate 203 and the baffle plate 205 to abut against the top, and the support is assisted;
when a plurality of plates are required to be combined, the two plates are arranged in parallel, then the connecting rod 304 is inserted into the second rotating seat 303, the hole in the connecting rod 304 is aligned with the center of the threaded hole 305, then the two plates are connected in series by using bolts, the angles of the two protection plates are adjusted according to the angle of a field, and the bolts are screwed down after the angles are adjusted.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The underground excavation protection plate for the geotechnical engineering is characterized by comprising a fixed structure (1), a supporting mechanism (2) and supports (3), wherein the fixed structure (1) is located below the supporting mechanism (2), and the supports (3) are located at two ends of the fixed structure (1);
the fixing structure (1) comprises a protection plate main body (101), a T-shaped groove (102), a matching rod (104), a horizontal rod (105) and a fixing seat (106); a T-shaped groove (102) is formed in the inner side of the protection plate main body (101), a first rotating shaft (103) is arranged inside the T-shaped groove (102), the first rotating shaft (103) is welded with the protection plate main body (101), the outer side of the first rotating shaft (103) is rotatably connected with a matching rod (104), a horizontal rod (105) is installed between the two matching rods (104) in a matching way, one end of the horizontal rod (105) is rotatably connected with the protection plate main body (101) through a rotating rod, the outer sides of the horizontal rod (105) and the matching rod (104) are provided with a fixed seat (106) in a matching way, the fixed seat (106) is fixedly connected with the horizontal rod (105) and the matching rod (104) through a first auxiliary screw (107), a second auxiliary screw (108) is arranged on the inner side of the fixed seat (106), an auxiliary inclined rod (109) is arranged at the top end of the fixed seat (106) in a matching way, the fixed seat (106) is fixedly connected with the auxiliary inclined rod (109) through a second auxiliary screw (108).
2. The geotechnical engineering underground excavation protection plate according to claim 1, wherein a fixed base plate (110) is welded at the bottom end of the fixed base (106), the fixed base plate (110) is fixedly connected with the ground through surface holes with inserted rivets, and the surface holes at the bottom end of the protection plate main body (101) are fixedly connected with the ground through inserted rivets.
3. The geotechnical engineering underground excavation protection plate according to claim 1, characterized in that a first rotating seat (111) and a matching insert (114) are welded on the outer side of the protection plate main body (101), the matching insert (114) and the first rotating seat (111) are symmetrically distributed on the surface of the protection plate main body (101), a limiting insert (112) is rotatably installed on the outer side of the first rotating seat (111), a fixing ball (113) is welded on the outer side of the limiting insert (112), and the fixing ball (113) is fixedly connected with the matching insert (114) in a matching manner.
4. A geotechnical engineering underground excavation protection plate according to claim 1, wherein said supporting mechanism (2) comprises a hydraulic rod (201), a mounting plate (202), a connecting plate (203) and a baffle plate (205); the inside of guard plate main part (101) is provided with hydraulic stem (201), the top welding of hydraulic stem (201) has mounting panel (202), the top welding of mounting panel (202) has connecting plate (203), the one end of connecting plate (203) is provided with second pivot (204), the outside rotation of second pivot (204) is connected with baffle (205).
5. The underground excavation protection plate for geotechnical engineering according to claim 4, characterized in that two fastening seats (206) are welded at the bottom end of the baffle plate (205), a support rod (207) is fixedly connected to the inner side of each fastening seat (206) through a bolt, and one end of the support rod (207) is rotatably connected with the mounting plate (202) through a rotating rod.
6. The underground excavation protection plate for geotechnical engineering according to claim 4, characterized in that the bottom end of the baffle (205) is provided with two matching protrusions (208), the matching protrusions (208) are matched and connected with matching grooves (209), and the matching grooves (209) are arranged on the inner side of the protection plate main body (101).
7. The underground excavation protection plate for geotechnical engineering according to claim 6, characterized in that, the inboard of cooperation groove (209) is provided with spacing lug (210), push rod (211) has been welded to the one end of spacing lug (210), push rod (211) and protection plate main part (101) sliding connection, the one end of push rod (211) is provided with spring (212), spring (212) are located between push rod (211) and protection plate main part (101), three spacing lug (210) distribute at the inboard trilateral of cooperation groove (209), and spacing lug (210) do not conflict with vertical groove.
8. A geotechnical engineering underground excavation protection plate according to claim 1, characterized in that said support (3) comprises a fastening plate (301) and through holes (302); the both sides of guard plate main part (101) all are provided with fastening plate (301), the inboard of fastening plate (301) is provided with through-hole (302), fastening plate (301) pass through-hole (302) and side rigid coupling.
9. The geotechnical engineering underground excavation protection plate according to claim 8, wherein four second rotating seats (303) are arranged at two ends of the protection plate main body (101), a connecting rod (304) is installed on the inner side of each second rotating seat (303), the second rotating seats (303) are fixedly connected with the connecting rod (304) through threaded holes (305), and the protection plate main bodies (101) are connected through the connecting rods (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231605.3A CN112411565B (en) | 2020-11-06 | 2020-11-06 | Geotechnical engineering is with secret excavation guard plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011231605.3A CN112411565B (en) | 2020-11-06 | 2020-11-06 | Geotechnical engineering is with secret excavation guard plate |
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| Publication Number | Publication Date |
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| CN112411565A true CN112411565A (en) | 2021-02-26 |
| CN112411565B CN112411565B (en) | 2021-11-30 |
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| CN202011231605.3A Active CN112411565B (en) | 2020-11-06 | 2020-11-06 | Geotechnical engineering is with secret excavation guard plate |
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| CN116397864A (en) * | 2023-06-07 | 2023-07-07 | 山西省安装集团股份有限公司 | Scaffold device for open caisson construction |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116397864A (en) * | 2023-06-07 | 2023-07-07 | 山西省安装集团股份有限公司 | Scaffold device for open caisson construction |
| CN116397864B (en) * | 2023-06-07 | 2023-08-18 | 山西省安装集团股份有限公司 | Scaffold device for open caisson construction |
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| Publication number | Publication date |
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| CN112411565B (en) | 2021-11-30 |
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