CN113152264A - Capping beam pad stone construction protection device - Google Patents
Capping beam pad stone construction protection device Download PDFInfo
- Publication number
- CN113152264A CN113152264A CN202110461705.3A CN202110461705A CN113152264A CN 113152264 A CN113152264 A CN 113152264A CN 202110461705 A CN202110461705 A CN 202110461705A CN 113152264 A CN113152264 A CN 113152264A
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- protective guard
- protective
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- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000004575 stone Substances 0.000 title claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 230000001012 protector Effects 0.000 claims description 11
- 229920000742 Cotton Polymers 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 5
- 238000009411 base construction Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 description 6
- 238000012216 screening Methods 0.000 description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention provides a capping beam cushion stone construction protection device which comprises side piers on two sides of a capping beam main body and a support cushion stone constructed on the capping beam main body, wherein a plurality of protective guard main bodies are arranged on the capping beam main body, a protective net is fixedly arranged between two sides of the plurality of protective guard main bodies, fixing ropes are arranged at the head and the tail of the plurality of protective guard main bodies, the protective guard main bodies stretch across two sides of the capping beam main body and abut against the end surface of the capping beam main body, the fixing ropes are wound and abut against the side piers, and two ends of the fixing ropes are fixed on the protective guard main body. Can adjust the longitudinal span of rail guard main part through vertical coupling mechanism to be suitable for not unidimensional bent cap main part, can adjust the transverse span of rail guard main part through transverse connection mechanism, dodge the support bed stone of construction in the bent cap main part, connect fixedly through the protection network between a plurality of rail guard main parts, the head and the tail of a plurality of rail guard main parts are fixed on both ends limit mound through fixed rope, thereby connect into a whole, make whole more firm, it is wider to adjust application scope, and is suitable for being generalized to use.
Description
Technical Field
The invention relates to the field of bridge engineering construction, in particular to a capping beam pad stone construction protection device.
Background
In the bent cap stone construction, the concrete intensity of support stone is often than the high reference numeral of the concrete intensity of bent cap main part, therefore the support stone generally can't be under construction simultaneously with the bent cap, and is minimum because of the support stone square volume again, consequently the bent cap stone of accomplishing a plurality of bent caps can concentrate the construction in actual work progress, and the protector of bent cap has carried out the transfer along with the bent cap template this moment, and the bent cap is in no protection state. The existing construction of the bent cap and the pad stone requires that constructors go to the top surface of the bent cap to perform binding of reinforcing steel bars of the pad stone and pouring of concrete, and because the bent cap is positioned at a high altitude and the surface of the bent cap is small, the position on which workers can stand on the top surface of the bent cap is small in danger and large in risk, and the safety accident that the high altitude falls easily occurs.
Chinese patent CN212383106U provides a "life line device for safety protection of capping bolster constructors". The device is through fixing the lug at bent cap both ends, connects with wire rope between the lug, and the personnel pass through the workman safety belt to be fixed and slide on wire rope, and this protection mode is comparatively simple, and the personnel still have the danger that the high altitude falls, leans on a wire rope to be difficult to support personnel's weight alone, has great danger.
Disclosure of Invention
The invention mainly aims to provide a construction protection device for a bent cap and a base stone, and solves the problems that a bent cap is positioned at a high altitude, the surface of the bent cap is small, the position on the top surface of the bent cap where workers can stand is small in risk and high in safety accident that the bent cap falls from the high altitude easily.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the protective guard comprises side piers on two sides of a cover beam main body and support base bolsters constructed on the cover beam main body, wherein a plurality of protective guard main bodies are arranged on the cover beam main body, protective guards are fixedly arranged between two sides of the plurality of protective guard main bodies, fixing ropes are arranged at the head and the tail of the plurality of protective guard main bodies, the protective guard main bodies stretch over two sides of the cover beam main body and are abutted against the end faces of the cover beam main body, the fixing ropes are wound and abutted against the side piers, and two ends of the fixing ropes are fixed on the protective guard main body.
In the preferred scheme, main connecting rods are arranged on the periphery of the protective guard main body, transverse connecting mechanisms are arranged on the peripheral main connecting rods in the transverse direction, longitudinal connecting mechanisms are arranged on the peripheral main connecting rods in the longitudinal direction, and the peripheral main connecting rods are fixedly connected with the longitudinal connecting mechanisms through the transverse connecting mechanisms to form a three-dimensional H shape.
In the preferred scheme, an inclined stay bar is fixedly arranged in the middle of one side of a main rod in a main connecting rod, a first fixed seat is fixedly arranged in the middle of the other side of the main rod, and two ends of a longitudinal connecting mechanism are fixed on the first fixed seat;
the mobile jib one side has set firmly a plurality of fixed ears, and the opposite side has set firmly a plurality of second fixing bases, and transverse connection mechanism's both ends are fixed on the second fixing base, and the protection network is fixed in fixed ear with fixed rope end.
In the preferred scheme, the main connecting rods are fixedly connected through the inclined supporting rods, the longitudinal connecting mechanisms and the transverse connecting mechanisms to form a three-dimensional shape, the main rods in the main connecting rods abut against two sides of the cover beam main body, and the longitudinal connecting mechanisms abut against the end face of the cover beam main body.
In the preferred scheme, a second connecting sleeve is arranged at the end part of a second connecting pipe in the longitudinal connecting mechanism, the second connecting pipe is abutted against the second connecting sleeve to slide, a plurality of through holes are axially formed in the second connecting pipe and the second connecting sleeve, and the second connecting pipe and the second connecting sleeve are fixed in the through holes through second fixing bolts;
the second connecting pipe and the end part of the second connecting sleeve are fixed on the first fixed seat through a bolt;
and the distance between the second connecting pipe and the second connecting sleeve is adjusted in a sliding mode, so that the longitudinal span of the protective guard main body is adjusted.
In the preferred scheme, a first connecting pipe is arranged at the end part of a first connecting sleeve in the transverse connecting mechanism, the first connecting pipe abuts against the inside of the first connecting sleeve to slide, a plurality of through holes are formed in the axial direction of the first connecting sleeve and the first connecting pipe, and the first connecting sleeve and the first connecting pipe are fixed in the through holes through a first fixing bolt;
the first connecting sleeve and the end part of the first connecting pipe are fixed on the second fixed seat through bolts;
and the distance between the first connecting sleeve and the first connecting pipe is adjusted in a sliding mode, so that the transverse span of the protective guard main body is adjusted.
In a preferred scheme, first latches are fixedly arranged at four corners of the protective screening and are fixed in fixing lugs on one side of a main rod in the protective screening main body, so that the protective screening main body is connected with a plurality of protective screening main bodies.
In the preferred scheme, a plurality of second lock catches are fixedly arranged at two ends of the fixing rope and fixed in fixing lugs at one side of the main rod in the protective guard main body, so that the head protective guard main body and the tail protective guard main body are fixed on the side piers.
In a preferred scheme, rubber or thick cotton cloth is arranged outside the guard rail main body and the fixing rope, wherein the guard rail main body and the fixing rope abut against the cover beam main body.
In a preferred scheme, the longitudinal connecting mechanisms on the two sides of the protective guard main body are arranged on the two sides of the support base cushion, and the transverse connecting mechanisms on the two ends of the protective guard main body are adjusted, so that the transverse span of the protective guard main body can be adjusted, and the protective guard is suitable for support base cushions with different sizes.
The invention provides a capping beam stone pad construction protection device, wherein a plurality of protective guard main bodies stretch across and lean against a capping beam main body, the longitudinal span of the protective guard main bodies can be adjusted through a longitudinal connecting mechanism, so that the capping beam stone pad construction protection device is suitable for capping beam main bodies with different sizes, the transverse span of the protective guard main bodies can be adjusted through a transverse connecting mechanism, so that support stone pads constructed on the capping beam main bodies are avoided, the plurality of protective guard main bodies are fixedly connected through protective screens, the heads and the tails of the plurality of protective guard main bodies are fixed on side piers at two ends through fixing ropes, so that the protective guard main bodies are connected into a whole, the whole is more stable and firm, the adjustment application range is wider, and the protective guard is suitable for popularization and use.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is an isometric view of the overall structure of the present invention;
fig. 2 is a perspective view of the main structure of the guard rail of the present invention;
fig. 3 is an exploded view of the guard rail body of the present invention;
FIG. 4 is a side view of the main link shaft of the present invention;
FIG. 5 is an enlarged partial view of a of the present invention;
FIG. 6 is an enlarged partial view b of the present invention;
in the figure: a cap beam body 1; a side pier 101; a support base stone 102; a guard rail main body 2; a main connecting rod 201; a transverse connection mechanism 202; a longitudinal connecting mechanism 203; a first connecting sleeve 204; a first connection pipe 205; a first fixing bolt 206; a second connection pipe 207; a second connection sleeve 208; a second fixing bolt 209; a main lever 210; a diagonal stay 211; a first fixed base 212; a second fixing base 213; a securing ear 214; a protective net 3; a first latch 301; a fixing rope 4; a secondary catch 302.
Detailed Description
Example 1
As shown in fig. 1 to 6, the capping beam and bolster construction protection device includes side piers 101 on two sides of a capping beam main body 1 and support bolsters 102 constructed on the capping beam main body 1, a plurality of guard rail main bodies 2 are arranged on the capping beam main body 1, a protection net 3 is fixedly arranged between two sides of the plurality of guard rail main bodies 2, fixing ropes 4 are arranged at the head and the tail of the plurality of guard rail main bodies 2, the guard rail main bodies 2 stretch across two sides of the capping beam main body 1 and abut against the end surface of the capping beam main body 1, the fixing ropes 4 are wound and abut against the side piers 101, and two ends of the fixing ropes 4 are fixed on the guard rail main body 2. According to the structure, the two sides of the guard rail main bodies 2 crossing the cover beam main bodies 1 are abutted to be fixed on the end faces of the cover beam main bodies 1, the guard rail main bodies 2 are connected through the protective net 3, the heads and the tails of the guard rail main bodies 2 are fixed on the side piers 101 through the fixing ropes 4, the guard rail main bodies are integrally connected into a whole, the connection and the fixation are firmer and firmer, and the construction safety of effective protection personnel is guaranteed.
In a preferred scheme, main connecting rods 201 are arranged on the periphery of the guard rail main body 2, transverse connecting mechanisms 202 are arranged on the peripheral main connecting rods 201 in the transverse direction, longitudinal connecting mechanisms 203 are arranged on the peripheral main connecting rods 201 in the longitudinal direction, and the peripheral main connecting rods 201 are fixedly connected with the longitudinal connecting mechanisms 203 through the transverse connecting mechanisms 202 to form a three-dimensional 'H' shape. From this structure, rail guard main part 2 includes four main connecting rods 201, and the both sides of four main connecting rods 201 are connected fixedly through two vertical coupling mechanism 203, and the both ends of four main connecting rods 201 are connected fixedly through four transverse connection mechanism 202, and four main connecting rods 201 support and lean on the both sides at bent cap main part 1, and two vertical coupling mechanism 203 support and lean on at support stone 102 terminal surface, connect fixedly more firm.
In a preferred embodiment, the main rod 210 of the main connecting rod 201 has a diagonal brace 211 fixed in the middle of one side thereof, and a first fixing seat 212 fixed in the middle of the other side thereof, and two ends of the longitudinal connecting mechanism 203 are fixed to the first fixing seat 212;
one side of the main rod 210 is fixedly provided with a plurality of fixing lugs 214, the other side is fixedly provided with a plurality of second fixing seats 213, two ends of the transverse connecting mechanism 202 are fixed on the second fixing seats 213, and the end parts of the protective net 3 and the fixing ropes 4 are fixed in the fixing lugs 214. From this structure, diagonal brace 211 is located the outside of bent cap main part 1 to the outside power of the firm main connecting rod 201 of support that can be better, thereby protection personnel's construction safety, mobile jib 210 lower part supports and leans on the both sides of bent cap main part 1, and the longitudinal connection mechanism 203 at middle part supports and leans on the terminal surface of bent cap main part 1, is equivalent to the both sides of centre gripping bent cap main part 1, makes rail guard main part 2 can not outwards turn on one's side, protection personnel safety.
In a preferred scheme, the main connecting rod 201 is fixedly connected by the inclined strut 211, the longitudinal connecting mechanism 203 and the transverse connecting mechanism 202 to form a three-dimensional shape, the main rod 210 in the main connecting rod 201 abuts against two sides of the main body 1 of the capping beam, and the longitudinal connecting mechanism 203 abuts against the end face of the main body 1 of the capping beam. By the structure, the protective guard main body 2 cannot turn over outwards, so that safety of personnel is protected, and the overall structure is more stable.
In a preferable scheme, a second connecting sleeve 208 is arranged at the end of a second connecting pipe 207 in the longitudinal connecting mechanism 203, the second connecting pipe 207 abuts against the second connecting sleeve 208 to slide, a plurality of through holes are axially formed in the second connecting pipe 207 and the second connecting sleeve 208, and the second connecting pipe 207 and the second connecting sleeve 208 are fixed in the through holes through a second fixing bolt 209;
the second connecting pipe 207 and the end of the second connecting sleeve 208 are fixed on the first fixing seat 212 through bolts;
the distance between the second connection pipe 207 and the second connection sleeve 208 is slidably adjusted, thereby adjusting the longitudinal span of the guard rail body 2. With the structure, the second connecting pipe 207 and the second connecting sleeve 208 can be adjusted in a sliding manner, and the second fixing bolt 209 penetrates through the matched through holes in the second connecting pipe 207 and the second connecting sleeve 208 to be fixed, so that the telescopic adjustment is more convenient and reliable, and the longitudinal span of the protective guard main body 2 can be adjusted to adapt to the cover beam main bodies 1 with different sizes.
In a preferable scheme, a first connecting pipe 205 is arranged at the end of a first connecting sleeve 204 in the transverse connecting mechanism 202, the first connecting pipe 205 abuts against the first connecting sleeve 204 to slide, a plurality of through holes are axially formed in the first connecting sleeve 204 and the first connecting pipe 205, and the first connecting sleeve 204 and the first connecting pipe 205 are fixed by penetrating through the through holes through a first fixing bolt 206;
the first connecting sleeve 204 and the end of the first connecting pipe 205 are fixed on the second fixed seat 213 through bolts;
the distance between the first connection sleeve 204 and the first connection pipe 205 is slidably adjusted, thereby adjusting the lateral span of the guard rail body 2. With the structure, the first connecting sleeve 204 and the first connecting pipe 205 can be slidably adjusted, the first fixing bolt 206 penetrates through the matched through hole on the first connecting sleeve 204 and the first connecting pipe 205 to be fixed, the telescopic adjustment is more convenient and reliable, and the transverse span of the protective guard main body 2 can be adjusted, so that the protective guard can adapt to support cushion stones 102 constructed on the cover beam main body 1 in different sizes.
In a preferred embodiment, first latches 301 are fixedly disposed at four corners of the protection net 3, and the first latches 301 are fixed in fixing lugs 214 on one side of the main bar 210 in the guard rail main bodies 2, so as to connect a plurality of guard rail main bodies 2. From this structure, the protection network 3 is connected fixedly to rail guard main part 2 through first hasp 301, and easy operation makes things convenient for the protection reliable, effectual protection personnel safety.
In a preferred embodiment, a plurality of second latches 302 are fixedly arranged at two ends of the fixing rope 4, and the second latches 302 are fixed in the fixing lugs 214 at one side of the main rod 210 in the guard rail main body 2, so that the head and the tail of the two guard rail main bodies 2 are fixed on the side piers 101. With the structure, the fixing rope 4 is wound around the side pier 101, and the two ends of the fixing rope are fixed on the guard rail main bodies 2 through the second lock catches 302, so that the head and the tail of the plurality of guard rail main bodies 2 can be fixed, and the whole structure is more stable and firm.
In a preferred scheme, rubber or thick cotton cloth is arranged outside the protective guard main body 2 and the fixing ropes 4 abutting against the cover beam main body 1. By the structure, the rubber or the thick cotton cloth can prevent the guard rail main body 2 and the fixing rope 4 from damaging the bent cap main body 1, and the rubber or the thick cotton cloth can also play a role in damping, buffering and protecting the bent cap main body 1.
In a preferred embodiment, the longitudinal connecting mechanisms 203 at both sides of the guard rail body 2 are provided at both sides of the support base stones 102, and the lateral connecting mechanisms 202 at both ends of the guard rail body 2 are adjusted so that the lateral span of the guard rail body 2 can be adjusted to accommodate different sizes of support base stones 102. With the structure, the guard rail main body 2 is adjusted and suitable for the cover beam main body 1 with different sizes and the support cushion stone 102 with different construction sizes, and the application range is wider.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (10)
1. Bent cap stone base construction protector, support stone base (102) of being under construction on limit mound (101) and bent cap main part (1) of both sides on bent cap main part (1), characterized by: be equipped with a plurality of rail guard main parts (2) on bent cap main part (1), protection network (3) have set firmly between the both sides of a plurality of rail guard main parts (2), the head and the tail of a plurality of rail guard main parts (2) are equipped with fixed rope (4), rail guard main part (2) span bent cap main part (1) both sides and lean on bent cap main part (1) terminal surface, fixed rope (4) winding is supported and is leaned on limit mound (101), fixed rope (4) both ends are fixed on rail guard main part (2).
2. The capping bolster construction protector of claim 1, characterized by: the protective guard main body (2) is provided with main connecting rods (201) all around, the main connecting rods (201) all around are provided with transverse connecting mechanisms (202) in the transverse direction, the main connecting rods (201) all around are provided with longitudinal connecting mechanisms (203) in the longitudinal direction, and the main connecting rods (201) all around are fixedly connected with the longitudinal connecting mechanisms (203) through the transverse connecting mechanisms (202) to form a three-dimensional 'H' shape.
3. The capping bolster construction protector of claim 2, characterized by: the middle part of one side of a main rod (210) in the main connecting rod (201) is fixedly provided with an inclined stay bar (211), the middle part of the other side of the main connecting rod is fixedly provided with a first fixed seat (212), and two ends of a longitudinal connecting mechanism (203) are fixed on the first fixed seat (212);
one side of the main rod (210) is fixedly provided with a plurality of fixing lugs (214), the other side of the main rod is fixedly provided with a plurality of second fixing seats (213), two ends of the transverse connecting mechanism (202) are fixed on the second fixing seats (213), and the end parts of the protective net (3) and the fixing rope (4) are fixed in the fixing lugs (214).
4. The capping bolster construction protector of claim 3, characterized by: the main connecting rod (201) is fixedly connected with a three-dimensional shape through the inclined stay bar (211), the longitudinal connecting mechanism (203) and the transverse connecting mechanism (202), the main rod (210) in the main connecting rod (201) is abutted against two sides of the cover beam main body (1), and the longitudinal connecting mechanism (203) is abutted against the end face of the cover beam main body (1).
5. The capping bolster construction protector of claim 3, characterized by: a second connecting sleeve (208) is arranged at the end part of a second connecting pipe (207) in the longitudinal connecting mechanism (203), the second connecting pipe (207) abuts against the second connecting sleeve (208) to slide, a plurality of through holes are formed in the second connecting pipe (207) and the second connecting sleeve (208) in the axial direction, and the second connecting pipe (207) and the second connecting sleeve (208) are fixed in the through holes through a second fixing bolt (209);
the end parts of the second connecting pipe (207) and the second connecting sleeve (208) are fixed on the first fixed seat (212) through bolts;
the distance between the second connecting pipe (207) and the second connecting sleeve (208) is adjusted in a sliding way, so that the longitudinal span of the protective guard main body (2) is adjusted.
6. The capping bolster construction protector of claim 3, characterized by: a first connecting pipe (205) is arranged at the end part of a first connecting sleeve (204) in the transverse connecting mechanism (202), the first connecting pipe (205) abuts against the first connecting sleeve (204) to slide, a plurality of through holes are formed in the axial direction of the first connecting sleeve (204) and the first connecting pipe (205), and the first connecting sleeve (204) and the first connecting pipe (205) are fixed in the through holes through a first fixing bolt (206);
the first connecting sleeve (204) and the end part of the first connecting pipe (205) are fixed on the second fixed seat (213) through bolts;
the distance between the first connecting sleeve (204) and the first connecting pipe (205) is adjusted in a sliding way, so that the transverse span of the protective guard main body (2) is adjusted.
7. The capping bolster construction protector of claim 1, characterized by: first latches (301) are fixedly arranged at four corners of the protective net (3), and the first latches (301) are fixed in fixing lugs (214) on one side of a main rod (210) in the protective fence main bodies (2) so as to connect a plurality of protective fence main bodies (2).
8. The capping bolster construction protector of claim 1, characterized by: two ends of the fixed rope (4) are fixedly provided with a plurality of second lock catches (302), and the second lock catches (302) are fixed in fixing lugs (214) on one side of a main rod (210) in the protective guard main body (2), so that the head protective guard main body and the tail protective guard main body (2) are fixed on the side piers (101).
9. The capping bolster construction protector of claim 1, characterized by: rubber or thick cotton cloth is arranged outside the protective guard main body (2) and the fixing rope (4) which are abutted against the cover beam main body (1).
10. The capping bolster construction protector of claim 2, characterized by: longitudinal connecting mechanisms (203) on two sides of the protective guard main body (2) are arranged on two sides of the support base cushion stones (102), and transverse connecting mechanisms (202) on two ends of the protective guard main body (2) are adjusted so that the transverse span of the protective guard main body (2) can be adjusted and the protective guard is suitable for support base cushion stones (102) with different sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461705.3A CN113152264A (en) | 2021-04-27 | 2021-04-27 | Capping beam pad stone construction protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110461705.3A CN113152264A (en) | 2021-04-27 | 2021-04-27 | Capping beam pad stone construction protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113152264A true CN113152264A (en) | 2021-07-23 |
Family
ID=76871697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110461705.3A Pending CN113152264A (en) | 2021-04-27 | 2021-04-27 | Capping beam pad stone construction protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113152264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114319140A (en) * | 2022-02-23 | 2022-04-12 | 江西省交通工程集团有限公司 | Safety protection operation method for carrying out support base stone construction on bent cap |
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Application publication date: 20210723 |
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| RJ01 | Rejection of invention patent application after publication |