CN114737576B - Temporary groove supporting device - Google Patents
Temporary groove supporting device Download PDFInfo
- Publication number
- CN114737576B CN114737576B CN202210418012.0A CN202210418012A CN114737576B CN 114737576 B CN114737576 B CN 114737576B CN 202210418012 A CN202210418012 A CN 202210418012A CN 114737576 B CN114737576 B CN 114737576B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- groove
- sliding
- supporting device
- side plate
- 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
Classifications
-
- 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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
-
- 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
- E02D17/06—Foundation trenches ditches or narrow shafts
- E02D17/08—Bordering or stiffening the sides of ditches trenches or narrow shafts for foundations
- E02D17/086—Travelling trench shores
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to a supporting device, in particular to a temporary groove supporting device. The utility model provides a temporary groove supporting device, includes crossbeam, vertical bar, drum, curb plate and traveller, the curb plate is provided with two, and setting about two curb plates all is provided with the traveller in the inboard four corners department of every curb plate, and the vertical bar is provided with two, sets up around two vertical bars, the equal fixedly connected with drum in upper and lower both ends of every vertical bar, and the lower part at two vertical bars is fixed respectively at both ends around the crossbeam, and four travelers on every curb plate are sliding connection respectively on four drums. Still include convex seat and pneumatic cylinder II, convex seat fixed connection is at the middle part of crossbeam, the equal fixedly connected with pneumatic cylinder II in both sides of convex seat, and two pneumatic cylinder II's expansion end difference fixed connection is in the inboard of two curb plates. The groove can be supported temporarily to prevent the groove from collapsing.
Description
Technical Field
The invention relates to a supporting device, in particular to a temporary groove supporting device.
Background
The trench with a certain slope shape excavated on a strip foundation in civil engineering is called a trench, and the trench is an engineering term for a pipe trench after earthwork excavation in installation engineering and is also called a trench. In the construction process of the groove, the groove needs to be temporarily supported in order to prevent the collapse of the groove which is just dug out, but the traditional supporting method uses wood for supporting, so that the traditional supporting method not only has a common supporting effect, but also is not easy to move a supporting position.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the temporary supporting device for the groove, which has the beneficial effects that the temporary supporting can be carried out on the groove, the groove is prevented from collapsing, and the supporting position is convenient to move.
The utility model provides a temporary groove supporting device, includes crossbeam, vertical bar, drum, curb plate and traveller, the curb plate is provided with two, and setting about two curb plates all is provided with the traveller in the inboard four corners department of every curb plate, and the vertical bar is provided with two, sets up around two vertical bars, the equal fixedly connected with drum in upper and lower both ends of every vertical bar, and the lower part at two vertical bars is fixed respectively at both ends around the crossbeam, and four travelers on every curb plate are sliding connection respectively on four drums.
The utility model provides a temporary groove supporting device still includes boss and pneumatic cylinder II, and boss fixed connection is at the middle part of crossbeam, the equal fixedly connected with pneumatic cylinder II in both sides of boss, and two pneumatic cylinder II's expansion end difference fixed connection are in the inboard of two curb plates.
The utility model provides a temporary supporting device of slot still includes the triangle tooth, and the lower edge of every curb plate all is provided with a plurality of triangle teeth.
The utility model provides a groove temporary support device still includes the circular arc portion, and both sides all are provided with the circular arc portion around every curb plate lower extreme, also the equipartition has a plurality of triangle teeth on every circular arc portion.
Drawings
The invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a first schematic structural view of a temporary supporting device for a trench;
FIG. 2 is a second schematic structural view of a temporary trench support device;
fig. 3 is a structural schematic diagram three of a temporary supporting device for a trench;
FIG. 4 is a first structural view of the cross beam and the base;
FIG. 5 is a second schematic structural view of the cross beam and the base;
FIG. 6 is a schematic structural view of a side plate;
FIG. 7 is a schematic structural view of a guide bar;
FIG. 8 is a schematic view of the construction of the slide pin;
FIG. 9 is a schematic structural view of the boss;
fig. 10 is a schematic structural view of a ring.
In the figure: a cross beam 101; a V-shaped plate 102; vertical bars 103; a cylinder 104; a hinge rod 105; a slider 106;
a base 201; a weight 202; upstands 203; a catch pin 204;
a side plate 301; a strut 302; a fixed base 303; a circular arc portion 304; triangular teeth 305; a middle groove 306;
a guide rod 401; a short axis 402; a slot bar 403; a hydraulic cylinder I404; a lifting rod 405; a slide pin 406;
a boss 501; hydraulic cylinder II 502; an isosceles trapezoid 503; a screw 504;
a circular ring 601; a swing frame 602; a servo motor 603; a convex tooth 604; a nose 605.
Detailed Description
As shown in fig. 1-10, this example solves the problem of temporary bracing of a trench, facilitating movement of the bracing location,
because the temporary groove supporting device comprises the cross beam 101, the vertical bars 103, the cylinders 104, the side plates 301 and the sliding columns 302, the number of the side plates 301 is two, the two side plates 301 are arranged in bilateral symmetry, the four corners of the inner side of each side plate 301 are welded with one sliding column 302, the number of the vertical bars 103 is two, the two vertical bars 103 are arranged in front-back symmetry, the cylinders 104 are fixedly connected to the upper end and the lower end of each vertical bar 103, the two ends of each cross beam 101 are respectively and fixedly connected to the lower ends of the two vertical bars 103, the side plates 301 are slidably connected to the four cylinders 104 through the four sliding columns 302 on the side plates, and can slide on the cylinders 104 through the sliding columns 302, the distance between the two side plates 301 is adjusted, the two side plates 301 are adjusted to the width of the groove, then the two side plates 301 are placed in the groove to be attached to the two sides of the groove, the groove is further supported, the two side plates 301, the four cylinders 104, the two vertical bars 103 and the cross beam 101 are connected into a whole, the position of the supporting device in the groove is convenient to move, and the supporting device is supported at different positions on the groove.
As shown in fig. 1-10, this example solves the problem of adjusting the spacing between the two side plates 301, accommodating grooves of different widths,
because the interim supporting of slot dress still includes boss 501 and pneumatic cylinder II502, the middle part fixedly connected with boss 501 of crossbeam 101, two equal fixed connection of pneumatic cylinder II502 are on boss 501, two flexible end difference fixed connection of pneumatic cylinder II502 are in the inboard of two curb plates 301, and then can drive two curb plates 301 and remove about through two flexible of pneumatic cylinder II502, and then adjust the interval between two curb plates 301, adapt to the slot of different width.
As shown in fig. 1-10, this example solves the problem of cutting the inner walls of the grooves to a flat condition,
because interim supporting device of slot still includes triangular teeth 305, a plurality of triangular teeth 305 set up the lower edge at curb plate 301, and then a plurality of triangular teeth 305 make the lower edge of curb plate 301 have the structure of saw, when the both sides lateral wall of slot is level and smooth inadequately, after adjusting the width of slot with two curb plate 301's interval, adopt the mode of two curb plates 301 of continuous back-and-forth movement to put into the slot with two curb plates 301, make the inner wall of the continuous cutting slot of a plurality of triangular teeth 305 structures of curb plate 301 downside, cut to the horizontality with the inner wall of slot.
As shown in fig. 1 to 10, this example solves the problem of facilitating the cutting of the inner wall of the groove when the two side plates 301 are obliquely put into the groove,
because interim supporting device of slot still includes circular arc portion 304, both sides all are provided with circular arc portion 304 around the curb plate 301 lower extreme, and a plurality of triangle tooth 305 also set up on circular arc portion 304, and then make a plurality of triangle tooth 305 on the circular arc portion 304 at both ends around the downside of curb plate 301 also can cut the inner wall of slot, make curb plate 301 can set up more triangle tooth 305 through two circular arc portions 304, also can make things convenient for the inner wall of cut slot when the slot is put into in the slope of two curb plates 301.
As shown in fig. 1-10, this example solves the problem of allowing two side plates 301 to approach or move away at the same time when adjusting the spacing,
because the temporary groove supporting device further comprises hinged rods 105 and a sliding block 106, the sliding block 106 is connected to the cross beam 101 in a sliding mode, the two hinged rods 105 are hinged to the sliding block 106, the other ends of the two hinged rods 105 are hinged to the two side plates 301 respectively, and then the sliding block 106 drives the two side plates 301 to be close to and far away from each other through the two hinged rods 105 when sliding back and forth on the cross beam 101, so that the two side plates 301 can be close to or far away from each other simultaneously when the distance is adjusted.
As shown in fig. 1-10, this example solves the problem of facilitating the movement of the supporting means carried by the bucket shovel thereon,
because the temporary groove supporting device further comprises a V-shaped plate 102, the V-shaped plate 102 is fixedly connected to the inner side of the vertical bar 103 located on the front side through screws, when the supporting device is located in the groove, the end part of a bucket of the excavator can be inserted into the V-shaped plate 102, then the whole supporting device can be pushed forwards to move forwards in the groove, and the V-shaped plate 102 is convenient for the bucket shovel to drive the supporting device to move on the V-shaped plate.
As shown in fig. 1-10, this example solves the problem of preventing the timbering device from tipping forward when the timbering device is moved forward by the bucket, preventing the timbering device from tipping forward,
because interim supporting device of slot still includes base 201, pouring weight 202 and upstand 203, base 201 fixed connection is on the vertical retort 103 that is located the rear side, upstand 203 fixed connection is at the upside of base 201, and it has a plurality of pouring weights 202 to peg graft on the upstand 203, and then promotes the weight of supporting device rear end, moves whole supporting device's focus to supporting device rear end, and then when shoveling supporting device forward through the scraper bowl, prevents that supporting device from toppling over forward. Different numbers of weights 202 can be inserted into the vertical columns 203, and the weight of the rear part of the support device can be adjusted according to requirements.
As shown in fig. 1-10, this example solves the problem of preventing the weight 202 from disengaging from the upstand 203,
since the temporary support device for the groove further includes a stop pin 204, the stop pin 204 is inserted into the upper portion of the vertical column 203, and the stop pin 204 can prevent the weight 202 from being separated from the vertical column 203.
As shown in fig. 1-10, this example solves the problem of improving the reliability of the two side plates 301 supporting the trench sidewalls,
because the groove temporary supporting device also comprises a middle groove 306, an isosceles trapezoid 503 and a screw rod 504, the middle parts of the inner sides of the two side plates 301 are respectively provided with the middle groove 306, the screw rod 504 is welded on the upper side of the convex seat 501, the left side and the right side of the isosceles trapezoid 503 are both inclined planes with the outer sides gradually upward, the middle part of the isosceles trapezoid 503 is inserted on the screw rod 504 in a clearance fit manner, the isosceles trapezoid 503 is respectively pressed on the middle grooves 306 of the upper sides of the two side plates 301 through the inclined planes of the left side and the right side, the upper end of the screw rod 504 is connected with a nut in a threaded manner, after the distance between the two side plates 301 is adjusted, turning the nut presses the isosceles trapezoid 503 downwards, so that the isosceles trapezoid 503 presses against the two side plates 301 via the two inclined surfaces, after the distance between the two side plates 301 is adjusted, the two side plates 301 can be supported by the isosceles trapezoid 503, and the reliability of the two side plates 301 for supporting the side wall of the groove is further improved.
As shown in fig. 1-10, this example solves the problem of moving the retaining device in the direction of two guide rods 401,
because the temporary groove supporting device further comprises the guide rods 401, the two guide rods 401 which are parallel to each other are arranged on the outer side of the side plate 301, after the directions of the two guide rods 401 on the side plate 301 are adjusted, when the supporting device is shifted to move, the supporting device can easily move along the directions of the two guide rods 401, and then the supporting device can move along the directions of the two guide rods 401.
The temporary groove supporting device further comprises a fixed seat 303, short shafts 402, groove rods 403, hydraulic cylinders I404, lifting rods 405 and sliding pins 406, the middle part of each guide rod 401 is fixedly connected with the short shafts 402, the two short shafts 402 are rotatably connected to the side plate 301, the two short shafts 402 penetrate into the inner side of the side plate 301, the inner ends of the two short shafts 402 are fixedly connected with the groove rods 403, sliding grooves are formed in the groove rods 403, the side plate 301 is fixedly connected with the fixed seat 303 on the inner side, the lifting rods 405 are vertically and slidably connected to the fixed seat 303, the lower parts of the lifting rods 405 are fixedly connected with the two sliding pins 406, the two sliding pins 406 are respectively and slidably connected to the two sliding grooves, the hydraulic cylinders I404 are fixedly connected to the fixed seat 303, and the movable ends of the hydraulic cylinders I404 are fixedly connected to the upper parts of the lifting rods 405.
As shown in fig. 1 to 10, this example solves the problem that it is easier to move the retaining device to a desired position in the groove by means of the guide rods 401,
pneumatic cylinder I404 can drive lifter 405 when flexible and carry out vertical slip on fixing base 303, and then drive two sliding pin 406 and go up and down, and then drive two groove poles 403 and rotate simultaneously, and then drive two minor axis 402 and rotate simultaneously, and then drive two guide bars 401 and rotate simultaneously, at this moment two guide bars 401 still keep the state that is parallel to each other, and then adjust the direction of two guide bars 401, make supporting device be convenient for remove along the direction of two guide bars 401, and then more easily make supporting device remove to the position that needs in the slot through guide bar 401.
The groove temporary supporting device further comprises a circular ring 601, a swing frame 602, a servo motor 603, convex teeth 604 and convex heads 605, wherein the servo motor 603 is fixedly connected to the front part of the inner side of each side plate 301, the swing frame 602 is fixedly connected to an output shaft of the servo motor 603, the circular ring 601 is fixedly connected to the end part of the swing frame 602, a plurality of convex teeth 604 are uniformly distributed on the outer peripheral surface of the circular ring 601, and a plurality of convex heads 605 are uniformly distributed on the outer side of the circular ring 601.
As shown in fig. 1-10, this example solves the problem of making it easier for the retaining device to move forward in the groove,
the servo motor 603 can drive the swing frame 602 to swing up and down, further drive the circular ring 601 to swing up and down, further drive the plurality of convex teeth 604 and the plurality of raised heads 605 on the circular ring 601 to swing up and down, in the process that the supporting device moves forward, the plurality of convex teeth 604 remove the protrusions on the inner wall of the groove, then the inner wall of the groove is polished smoothly through the plurality of raised heads 605, and the supporting device can move forward in the groove more easily.
Claims (5)
1. A temporary groove supporting device comprises a cross beam (101), vertical bars (103), a cylinder (104), side plates (301) and sliding columns (302), and is characterized in that: the two side plates (301) are arranged left and right, sliding columns (302) are arranged at four corners of the inner side of each side plate (301), two vertical bars (103) are arranged in front of and behind the two vertical bars (103), the upper end and the lower end of each vertical bar (103) are fixedly connected with cylinders (104), the front end and the rear end of a cross beam (101) are respectively fixed at the lower parts of the two vertical bars (103), and the four sliding columns (302) on each side plate (301) are respectively connected to the four cylinders (104) in a sliding manner;
the beam is characterized by further comprising a convex base (501) and hydraulic cylinders II (502), wherein the convex base (501) is fixedly connected to the middle of the beam (101), the hydraulic cylinders II (502) are fixedly connected to two sides of the convex base (501), and the movable ends of the two hydraulic cylinders II (502) are respectively and fixedly connected to the inner sides of the two side plates (301);
the sliding block (106) is connected to the cross beam (101) in a sliding mode, the sliding block (106) is hinged to the two hinge rods (105), and the other ends of the two hinge rods (105) are hinged to the two side plates (301) respectively;
the device also comprises a V-shaped plate (102), and the inner side of the vertical bar (103) positioned at the front side is connected with the V-shaped plate (102) through a screw;
the middle groove (306) is arranged in the middle of the inner side of each of the two side plates (301), the screw (504) is fixedly connected to the upper end of the boss (501), the left side and the right side of each isosceles trapezoid (503) are inclined planes with the outer sides gradually upward, the middle of each isosceles trapezoid (503) is inserted into the screw (504), the isosceles trapezoid (503) is pressed on the middle grooves (306) on the upper sides of the two side plates (301) through the inclined planes on the left side and the right side respectively, and the upper end of each screw (504) is in threaded connection with a nut;
the device also comprises guide rods (401), and the outer side of each side plate (301) is provided with two guide rods (401) which are parallel to each other;
also comprises a fixed seat (303), a short shaft (402) and a grooved rod (403), the lifting mechanism comprises a hydraulic cylinder I (404), lifting rods (405) and sliding pins (406), wherein the middle part of each guide rod (401) is fixedly connected with a short shaft (402), the two short shafts (402) are rotatably connected to a side plate (301), the two short shafts (402) penetrate into the inner side of the side plate (301), the inner ends of the two short shafts (402) are fixedly connected with a groove rod (403), a sliding groove is formed in the groove rod (403), a fixed seat (303) is fixedly connected to the inner side of the side plate (301), the lifting rods (405) are vertically and slidably connected to the fixed seat (303), the lower parts of the lifting rods (405) are fixedly connected with two sliding pins (406), the two sliding pins (406) are respectively and slidably connected to the two sliding grooves, the hydraulic cylinder I (404) is fixedly connected to the fixed seat (303), and the movable end of the hydraulic cylinder I (404) is fixedly connected to the upper part of the lifting rods (405);
still include ring (601), rocker (602), servo motor (603), dogtooth (604) and plush copper (605), the inboard front portion of every curb plate (301) all fixedly connected with servo motor (603), rocker (602) fixed connection is on the output shaft of servo motor (603), ring (601) fixed connection is in the tip of rocker (602), the equipartition has a plurality of plush copper (604) on the outer peripheral face of ring (601), the outside equipartition of ring (601) has a plurality of plush copper (605).
2. A trench temporary support apparatus as claimed in claim 1, wherein: the novel side plate structure is characterized by further comprising triangular teeth (305), and a plurality of triangular teeth (305) are arranged on the lower edge of each side plate (301).
3. A trench temporary support apparatus as claimed in claim 2, wherein: the side plate structure is characterized by further comprising arc parts (304), wherein the arc parts (304) are arranged on the front side and the rear side of the lower end of each side plate (301), and a plurality of triangular teeth (305) are uniformly distributed on each arc part (304).
4. A trench temporary support apparatus as claimed in claim 3, wherein: still include base (201), pouring weight (202) and upstand (203), be located fixedly connected with base (201) on the vertical bar (103) of rear side, upside fixedly connected with upstand (203) of base (201), a plurality of pouring weights (202) are all inserted on upstand (203).
5. A trench temporary support apparatus as claimed in claim 4, wherein: the device also comprises a stop pin (204), and the stop pin (204) is inserted at the upper part of the vertical column (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418012.0A CN114737576B (en) | 2022-04-20 | 2022-04-20 | Temporary groove supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210418012.0A CN114737576B (en) | 2022-04-20 | 2022-04-20 | Temporary groove supporting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114737576A CN114737576A (en) | 2022-07-12 |
| CN114737576B true CN114737576B (en) | 2022-09-16 |
Family
ID=82284160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210418012.0A Active CN114737576B (en) | 2022-04-20 | 2022-04-20 | Temporary groove supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114737576B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6155750A (en) * | 1999-04-14 | 2000-12-05 | Institute Of Occupational Safety And Health, Council Of Labor Affairs | Trench shield having wheels simultaneously provided for protection and rolling purposes |
| EP1640509B2 (en) * | 2004-08-23 | 2014-03-05 | BAUER Maschinen GmbH | Method of making a sloted wall in ground and device therefor |
| CN211006710U (en) * | 2019-08-06 | 2020-07-14 | 中国水利水电第七工程局有限公司 | Support system behind slot |
| CN112482394A (en) * | 2020-11-23 | 2021-03-12 | 温州职业技术学院 | Strutting arrangement that foundation ditch construction was used |
| CN215165680U (en) * | 2021-04-21 | 2021-12-14 | 祝嵩 | Fixing device for groove supporting structure |
| CN215483003U (en) * | 2021-06-16 | 2022-01-11 | 南京广元市政设计有限公司 | Municipal administration drainage pipeline hole groove supporting construction |
| CN215669545U (en) * | 2021-07-14 | 2022-01-28 | 中煤建工集团国际建设工程有限公司 | Temporary supporting structure for trench excavation |
-
2022
- 2022-04-20 CN CN202210418012.0A patent/CN114737576B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN114737576A (en) | 2022-07-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111549793B (en) | Foundation pit supporting structure with tunnel on side wall of foundation pit | |
| CN114737576B (en) | Temporary groove supporting device | |
| CN209811584U (en) | Welding equipment for producing large hydraulic excavator frame | |
| CN110409377A (en) | Gutter molding machine | |
| JP6837394B2 (en) | Invert pier and tunnel invert construction method | |
| US3425572A (en) | General-purpose hydraulic shovel | |
| US3479827A (en) | Trench shoring frame | |
| CN210217784U (en) | Automatic circulating two-section steel belt laying device for digging and supporting anchor combined unit | |
| CN210509229U (en) | Automatic circulating steel belt laying device for digging and supporting anchor combined unit | |
| CN108150197A (en) | Radially overturning inverted arch trestle and its installation position method for demoulding to arc formwork | |
| CN212477855U (en) | Bucket with adjustable bucket capacity | |
| CN221140957U (en) | Flow guide channel girder lifting mechanism | |
| US4126407A (en) | Methods of shifting heavy and/or loaded structures | |
| JP4080226B2 (en) | Mobile jetty | |
| CN218952285U (en) | Underground diaphragm wall guide wall groove excavating device | |
| HU214851B (en) | Process and device used to renovate railroad track installations | |
| CN115387346B (en) | Soil sampling method for earthwork under inclined strut on inner wall of foundation pit | |
| CN110566245A (en) | automatic circulating steel belt laying device and method for digging, supporting and anchoring combined unit | |
| CN219100166U (en) | Different cross-section slot excavation device | |
| JP2003322000A (en) | Tunnel invert construction method by movable pier and the movable pier | |
| CN218206713U (en) | Liftable template trolley for cast-in-situ cover plate of tunnel central drainage ditch | |
| CN217318461U (en) | Prefabricated basic template of assembled | |
| CN217812434U (en) | Embedded part leveling device | |
| CN220364999U (en) | Scraper device of underwater leveling machine | |
| JPH0344876Y2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A temporary support device for grooves Effective date of registration: 20230924 Granted publication date: 20220916 Pledgee: Dongyang Branch of China Construction Bank Co.,Ltd. Pledgor: LIYUE GROUP Co.,Ltd. Registration number: Y2023980058656 |