CN112411565B

CN112411565B - Geotechnical engineering is with secret excavation guard plate

Info

Publication number: CN112411565B
Application number: CN202011231605.3A
Authority: CN
Inventors: 裘德利; 何文; 郑朝钱; 周水林; 艾绍日; 吴亦军; 万超
Original assignee: Jiangxi Building Design Research Institute
Current assignee: Jiangxi Building Design Research Institute
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-11-30
Anticipated expiration: 2040-11-06
Also published as: CN112411565A

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 protection plates is achieved, the whole mechanism is simple, and the integrity is strong.

Description

Geotechnical engineering is with secret excavation guard plate

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 protection plate comprises a protection plate main body, and 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 in the T-shaped groove and welded with the protection plate main body, 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, one end of the horizontal rod is rotatably connected with the protection plate main body through the rotating rod, a fixing seat is installed on the outer sides of the horizontal rod and the matching rods in a matching mode and fixedly connected with the horizontal rod and the matching rods through first auxiliary screws, second auxiliary screws are 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 and fixedly connected with the fixing seat through second auxiliary screws, and the supporting mechanism comprises a hydraulic rod, a mounting plate, a connecting plate and a baffle plate; the protection plate comprises a protection plate main body and is characterized in that a hydraulic rod is arranged inside the protection plate main body, an installation plate is welded at the top end of the hydraulic rod, a connection plate is welded at the top end of the installation plate, a second rotating shaft is arranged at one end of the connection plate, a baffle is rotatably connected to the outer side of the second rotating shaft, two fastening seats are welded at the bottom end of the baffle, a support rod is fixedly connected to the inner side of each fastening seat through a bolt, one end of the support rod is rotatably connected with the installation plate through a rotating rod, and a support comprises 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, the both ends of guard plate main part are provided with four seconds and rotate the seat, the connecting rod is installed to the inboard of seat is rotated to the second, the seat is rotated to the second and passes through screw hole and connecting rod rigid coupling, connect through the connecting rod between the guard plate main part.

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 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.

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. 1 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 mode, and the fixing seats 106 are fixedly connected with the auxiliary inclined rods 109 through the second auxiliary screws 108; when the protective plate works, the protective plate main body 101 serves as a protective main body, the T-shaped groove 102 is used for placing the matching rod 104, the horizontal rod 105 and the auxiliary inclined rod 109, the first rotating shaft 103 assists the matching rod 104 to horizontally rotate, the matching rod 104 is matched with the horizontal rod 105 to form a horizontal triangle with the protective plate main body 101, the structural strength is enhanced, the fixing effect is enhanced, the fixing seat 106 is used for fixing the matching rod 104 and the horizontal rod 105, the first auxiliary screw 107 is used for fixing the matching rod 104, the horizontal rod 105 and the fixing seat 106, and the second auxiliary screw 108 is used for fixing the auxiliary inclined rod 109; the supporting mechanism 2 comprises a hydraulic rod 201, a mounting plate 202, a connecting plate 203 and a baffle plate 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 work, 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; the bottom end of the baffle 205 is welded with two fastening seats 206, the inner sides of the fastening seats 206 are fixedly connected with a support rod 207 through bolts, and one end of the support rod 207 is rotatably connected with the mounting plate 202 through a rotating rod; when the device works, 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; 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; when the side direction protection plate fixing device works, the fastening plate 301 is used for fixing the side direction protection plate, and the through holes 302 are used for installing rivets; two ends of the protection plate main body 101 are provided with four second rotating seats 303, the inner sides of the second rotating seats 303 are provided with connecting rods 304, the second rotating seats 303 are fixedly connected with the connecting rods 304 through threaded holes 305, and the protection plate main bodies 101 are connected through the connecting rods 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.

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 installing 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 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.

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

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); the inboard of guard plate main part (101) is provided with T type groove (102), the inside in T type groove (102) is provided with first pivot (103), first pivot (103) and guard plate main part (101) welding, the outside swivelling joint of first pivot (103) has cooperation pole (104), two cooperation is installed horizon bar (105) between cooperation pole (104), the one end of horizon bar (105) is passed through the bull stick and is rotated with guard plate main part (101) and be connected, fixing base (106) is installed in the outside cooperation of horizon bar (105) and cooperation pole (104), fixing base (106) are through first auxiliary screw (107) and horizon bar (105) and cooperation pole (104) rigid coupling, fixing base (106) inboard is provided with second auxiliary screw (108), supplementary down tube (109) are installed in the top cooperation of fixing base (106), fixing base (106) are through second auxiliary screw (108) and supplementary down tube (109) rigid coupling, the supporting mechanism (2) comprises a hydraulic rod (201), a mounting plate (202), a connecting plate (203) and a baffle plate (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), a baffle (205) is rotatably connected to the outer side of the second rotating shaft (204), two fastening seats (206) are welded at the bottom end of the baffle (205), a supporting rod (207) is fixedly connected to the inner side of each fastening seat (206) through a bolt, one end of each supporting rod (207) is rotatably connected with the mounting plate (202) through a rotating rod, and each support (3) comprises a fastening plate (301) and a through hole (302); the both sides of guard plate main part (101) all are provided with mounting plate (301), the inboard of mounting plate (301) is provided with through-hole (302), mounting plate (301) are through-hole (302) and side rigid coupling, the both ends of guard plate main part (101) are provided with four seconds and rotate seat (303), connecting rod (304) are installed to the inboard that seat (303) were rotated to the second, the second rotates seat (303) and passes through screw hole (305) and connecting rod (304) rigid coupling, connect through connecting rod (304) between guard plate main part (101).

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. The underground excavation protection plate for geotechnical engineering according to claim 3, 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).

5. The geotechnical engineering underground excavation protection plate according to claim 4, characterized in that a limiting convex block (210) is arranged on the inner side of the matching groove (209), a push rod (211) is welded at one end of the limiting convex block (210), the push rod (211) is in sliding connection with the protection plate main body (101), a spring (212) is arranged at one end of the push rod (211), the spring (212) is located between the push rod (211) and the protection plate main body (101), the limiting convex blocks (210) are distributed on three sides of the inner side of the matching groove (209), and the limiting convex blocks (210) do not conflict with vertical grooves.