CN203430534U - U-shaped roof supporting structure - Google Patents
U-shaped roof supporting structure Download PDFInfo
- Publication number
- CN203430534U CN203430534U CN201320438773.9U CN201320438773U CN203430534U CN 203430534 U CN203430534 U CN 203430534U CN 201320438773 U CN201320438773 U CN 201320438773U CN 203430534 U CN203430534 U CN 203430534U
- Authority
- CN
- China
- Prior art keywords
- shaped
- character
- shaped base
- termination
- canopy
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 1
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a U-shaped roof supporting structure, which comprises U-shaped roofs (1), T-shaped bases (2), floor beams (3) and side beams (4); the T-shaped bases (2) are provided with U-shaped slots (21); both ends of each U-shaped roof (1) are respectively inserted into the U-shaped slots (21) of two parallel T-shaped bases (2), and each two parallel T-shaped bases (2) are connected with each other through one floor beam (3); the U-shaped roofs (1) are connected with one another through the side beams (4) and the T-shaped bases (2); the T-shaped bases (2) under each two neighboring U-shaped roofs (1) are connected with one another through bolts; the side beams (4) are connected with the U-shaped roofs (1) through clamping cables. Because the utility model utilizes the T-shaped bases, the floor beams and the side beams to connect the U-shaped roofs to form an integral structure, the overall supporting strength of the U-shaped roofs is enhanced, meanwhile, the sides and floors of the U-shaped roofs are prevented from heaving, and the occurrence of U-shaped roof leg breaking or U-shaped roof collapse is reduced as well.
Description
Technical field
The utility model relates to a kind of supporting and protection structure, specifically a kind of U-shaped canopy supporting and protection structure connecting for a plurality of U-shaped canopies.
Background technology
Along with the increasing of mining depth, roadway surrounding rock gradually presents geostatic stress and strengthens, and rock stratum cementing properties is poor, loose crushing, have the soft rock features such as obvious dilatancy and Rheological Deformation.Although Roadway Support Technology is constantly perfect, still there are in actual applications a lot of problems, as ore deposit, press manifest aggravation, portion of side deflection is large and pucking is serious etc.U-shaped canopy is this, and to take passive protecting be that main support pattern is widely adopted, but the often single independent supporting of existing U-shaped canopy, and its insufficient strength often occurs that U-shaped canopy shank fractures or falls the phenomenon of canopy.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model provides a kind of U-shaped canopy supporting and protection structure, not only can improve the integer support intensity of U-shaped canopy, can also prevent its portion of side and pucking distortion, reduces that U-shaped canopy shank fractures or the generation of the phenomenon of falling canopy.
To achieve these goals, a kind of U-shaped canopy supporting and protection structure of the utility model, comprises U-shaped canopy, also comprises T character-shaped base, bottom girder and side beam, and described T character-shaped base is provided with U-shaped slot; The two ends of each U-shaped canopy are inserted in respectively in the U-shaped slot on the T character-shaped base of two parallel placements, between the T character-shaped base of two parallel placements, by bottom girder, connect; Between a plurality of U-shaped canopies, by side beam, be connected with T character-shaped base; Between the T character-shaped base of adjacent two U-shaped canopy belows, be bolted; Described side beam is connected with U-shaped canopy by card cable.
Further, on the first termination of described T character-shaped base, the second termination and the 3rd termination, all offer bolt hole, the first termination and the second termination are on same straight line, and the size of the first termination is greater than the size of the second termination; The cross section of the first termination, the second termination and the 3rd termination is U-shaped.
Further, the cross section at described bottom girder two ends is U-shaped, and has bolt hole; Described bottom girder two ends measure-alike, and be greater than the size of the 3rd termination.
Further, the cross section of described side beam is rectangle, on side beam, has bolt hole.
The U-shaped canopy supporting and protection structure of another kind of the present utility model, comprises U-shaped canopy, a T character-shaped base, the 2nd T character-shaped base, bottom girder and side beam, on a described T character-shaped base and the 2nd T character-shaped base, is equipped with U-shaped slot; On a described T character-shaped base and the 2nd T character-shaped base, the cross section of three terminations is U-shaped, and all offers bolt hole on termination; Two termination I's on a described T character-shaped base on same straight line is measure-alike, and two termination II's on the 2nd T character-shaped base on same straight line is measure-alike, and the size of termination I is greater than the size of termination II; The two ends of each U-shaped canopy are inserted in respectively in a T character-shaped base and the U-shaped slot on the 2nd T character-shaped base of parallel placement, between a T character-shaped base of two parallel placements and the 2nd T character-shaped base, by bottom girder, connect; Between a plurality of U-shaped canopies, by side beam, a T character-shaped base, be connected with the 2nd T character-shaped base; Between a T character-shaped base on adjacent two U-shaped canopy belows, same straight line and the 2nd T character-shaped base, be bolted; Described side beam is connected with U-shaped canopy by card cable.
The U-shaped canopy supporting and protection structure of another kind of the present utility model, comprises U-shaped canopy, a T character-shaped base, the 2nd T character-shaped base, bottom girder and side beam, on a described T character-shaped base and the 2nd T character-shaped base, is equipped with U-shaped slot; On a described T character-shaped base and the 2nd T character-shaped base, the cross section of three terminations is U-shaped, and all offers bolt hole on termination; Two termination I's on a described T character-shaped base on same straight line is measure-alike, and two termination II's on the 2nd T character-shaped base on same straight line is measure-alike, and the size of termination I is greater than the size of termination II; The two ends of each U-shaped canopy are inserted in respectively in two T character-shaped bases or the U-shaped slot on two the 2nd T character-shaped bases of parallel placement, between two T character-shaped bases of parallel placement or two the 2nd T character-shaped bases, by bottom girder, connect; Between a plurality of U-shaped canopies, by side beam, a T character-shaped base, be connected with the 2nd T character-shaped base; The base of adjacent two U-shaped canopy belows is different, is respectively a T character-shaped base and the 2nd T character-shaped base, between a T character-shaped base and the 2nd T character-shaped base, is bolted; Described side beam is connected with U-shaped canopy by card cable.
Compare with traditional U-shaped canopy supporting and protection structure, of the present utility modelly by T character-shaped base, bottom girder and side beam, a plurality of U-shaped canopies are connected into overall structure, improved the supporting intensity of U-shaped canopy; Base wherein and bottom girder can effectively be controlled pucking, and side beam can reduce the distortion of portion of side, have reduced that U-shaped canopy shank fractures or the generation of the phenomenon of falling canopy.In addition, also possesses the feature easily that mounts and dismounts.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model T character-shaped base;
Fig. 3 is the structural representation of the utility model bottom girder;
Fig. 4 is the schematic diagram of the another kind of structure of the utility model;
Fig. 5 is the schematic diagram of the third structure of the utility model.
In figure: 1, U-shaped canopy, 2, T character-shaped base, 21, U-shaped slot, the 22, first termination, the 23, second termination, the 24, the 3rd termination, 3, bottom girder, 4, side beam, the 5, the one T character-shaped base, the 6, the 2nd T character-shaped base, 51, termination I, 61, termination II.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, this U-shaped canopy supporting and protection structure, comprises U-shaped canopy 1, T character-shaped base 2, bottom girder 3 and side beam 4, and described T character-shaped base 2 is provided with U-shaped slot 21; The two ends of each U-shaped canopy 1 are inserted in respectively in the U-shaped slot 21 on the T character-shaped base 2 of two parallel placements, between the T character-shaped base 2 of two parallel placements, by bottom girder 3, connect; Between a plurality of U-shaped canopies 1, by side beam 4, be connected with T character-shaped base 2; Between the T character-shaped base 2 of adjacent two U-shaped canopy 1 belows, be bolted; Described side beam 4 is connected with U-shaped canopy 1 by card cable.
During installation, first, by two parallel placements of T character-shaped base 2, by bottom girder 3, connect together, form an I-shaped structure; Then get successively two T character-shaped bases 2 and repeat said process, form a plurality of I-shaped structures; A plurality of I-shaped structures are placed successively, and utilized bolt to connect together, complete the laying of base.Then the canopy leg of a plurality of U-shaped canopies 1 is inserted into successively in each I-shaped structure in the U-shaped slot 21 on two T character-shaped bases 2, then the two ends, arch of U-shaped canopy 1 and canopy leg are coupled together by card cable, help beam 4 to be placed on card cable outside simultaneously, keep side beam 4 levels, then one end of side beam 4, card cable and U-shaped canopy 1 are linked together.Use the same method, the other end of side beam 4 is connected with adjacent U-shaped canopy 1, finally by T character-shaped base 2, bottom girder 3 and side beam 4, a plurality of U-shaped canopies 1 is connected into overall structure, has improved the supporting intensity of U-shaped canopy; The base being connected into by bottom girder and T character-shaped base 2 wherein can effectively be controlled pucking, and side beam 4 can reduce the distortion of portion of side, has reduced that U-shaped canopy shank fractures or the generation of the phenomenon of falling canopy.In addition, the U-shaped canopy 1 of reason, T character-shaped base 2, bottom girder 3 and the length of helping the final composition of beam 4 to be connected canopy can be spliced as required, mount and dismount all very convenient.
Preferably, as shown in Figure 2, on the first termination 22, the second termination 23 and the 3rd termination 24 of described T character-shaped base 2, all offer bolt hole, the first termination 22 and the second termination 23 are on same straight line, and the size of the first termination 22 is greater than the size of the second termination 23; The cross section of the first termination 22, the second termination 23 and the 3rd termination 24 is U-shaped, the first termination 22 of another T character-shaped base 2 can be inserted in the second termination 23 of a T character-shaped base 2, contact surface is between the two large, and utilize bolt to be fixedly connected with, make two connections between T character-shaped base 2 tightr, and then guarantee that total is more firm.
Preferably, as shown in Figure 3, the cross section at described bottom girder 3 two ends is U-shaped, and has bolt hole; Described bottom girder 3 two ends measure-alike, and be greater than the size of the 3rd termination 24, the 3rd termination 24 of two ends T character-shaped base 2 can be inserted in bottom girder 3 like this, and with the bolt connection that is fixed, easy accessibility, make the T character-shaped base 2 at bottom girder 3 and two ends closely cooperate simultaneously, can better control pucking.
Preferably, the cross section of described side beam 4 is rectangle, on side beam 4, has bolt hole, can it be connected with U-shaped canopy by bolt, more convenient when rectangular configuration is made, and guarantees that a plurality of U-shaped canopies are on same straight line, more can effectively avoid the situation of portion of side distortion to occur.
As shown in Figure 4, the U-shaped canopy supporting and protection structure of another kind of the present utility model, comprises U-shaped canopy 1, a T character-shaped base 5, the 2nd T character-shaped base 6, bottom girder 3 and side beam 4, on a described T character-shaped base 5 and the 2nd T character-shaped base 6, is equipped with U-shaped slot; On a described T character-shaped base 5 and the 2nd T character-shaped base 6, the cross section of three terminations is U-shaped, and all offers bolt hole on termination; Two termination I51's on a described T character-shaped base 5 on same straight line is measure-alike, and two termination II61's on the 2nd T character-shaped base 6 on same straight line is measure-alike, and the size of termination I51 is greater than the size of termination II61; The two ends of each U-shaped canopy 1 are inserted in respectively in a T character-shaped base 5 and the U-shaped slot on the 2nd T character-shaped base 6 of parallel placement, between a T character-shaped base 5 of two parallel placements and the 2nd T character-shaped base 6, by bottom girder 3, connect; Between a plurality of U-shaped canopies 1, by side beam 4, a T character-shaped base 5, be connected with the 2nd T character-shaped base 6; Between a T character-shaped base 5 on adjacent two U-shaped canopy 1 belows, same straight line and the 2nd T character-shaped base 6, be bolted; Described side beam 4 is connected with U-shaped canopy 1 by card cable.
During installation, first, by a T character-shaped base 5 and the parallel placement of a 2nd T character-shaped base 6, by bottom girder 3, connect together, form an I-shaped structure; Then get again successively a T character-shaped base 5 and the 2nd T character-shaped base 6 repetition said process, form a plurality of I-shaped structures; A plurality of I-shaped structures are placed successively, and utilized bolt to connect together, in the base that guarantees to connect, every limit is all arranged in order by a T character-shaped base 5 and the 2nd T character-shaped base 6.Then the canopy leg of a plurality of U-shaped canopies 1 is inserted into successively in the U-shaped slot of a T character-shaped base 5 and the 2nd T character-shaped base 6 in each I-shaped structure, then the two ends, arch of U-shaped canopy 1 and canopy leg are coupled together by card cable, help beam 4 to be placed on card cable outside simultaneously, keep side beam 4 levels, then one end of side beam 4, card cable and U-shaped canopy 1 are linked together.Use the same method, the other end of side beam 4 is connected with adjacent U-shaped canopy 1, finally by a T character-shaped base 5, the 2nd T character-shaped base 6, bottom girder 3 and side beam 4, a plurality of U-shaped canopies 1 is connected into overall structure, has also improved the supporting intensity of U-shaped canopy; The base being connected into by bottom girder and T character-shaped base 2 wherein can effectively be controlled pucking, and side beam 4 can reduce the distortion of portion of side, has reduced that U-shaped canopy shank fractures or the generation of the phenomenon of falling canopy.
As shown in Figure 5, the U-shaped canopy supporting and protection structure of another kind of the present utility model, comprises U-shaped canopy 1, a T character-shaped base 5, the 2nd T character-shaped base 6, bottom girder 3 and side beam 4, on a described T character-shaped base 5 and the 2nd T character-shaped base 6, is equipped with U-shaped slot; On a described T character-shaped base 5 and the 2nd T character-shaped base 6, the cross section of three terminations is U-shaped, and all offers bolt hole on termination; Two termination I51's on a described T character-shaped base 5 on same straight line is measure-alike, and two termination II61's on the 2nd T character-shaped base 6 on same straight line is measure-alike, and the size of termination I51 is greater than the size of termination II61; The two ends of each U-shaped canopy 1 are inserted in respectively in two T character-shaped bases 5 or the U-shaped slot on two the 2nd T character-shaped bases 6 of parallel placement, between two T character-shaped bases 5 of parallel placement or two the 2nd T character-shaped bases 6, by bottom girder 3, connect; Between a plurality of U-shaped canopies 1, by side beam 4, a T character-shaped base 5, be connected with the 2nd T character-shaped base 6; The base of adjacent two U-shaped canopy 1 belows is different, is respectively between a T character-shaped base 5 and the 2nd T character-shaped base 6, the one T character-shaped bases 5 and the 2nd T character-shaped base 6 and is bolted; Described side beam 4 is connected with U-shaped canopy 1 by card cable.
During installation, get the parallel placement of two T character-shaped bases 5, by bottom girder 3, connect together, form an I-shaped structure; Then get two the 2nd T character-shaped bases 6 and repeat said process, form an I-shaped structure; Different I-shaped structures are placed successively, guaranteed that termination II61 inserts in the I51 of termination, the bolt hole of two ends is overlapped, then inserting bolt is tightened; Repeat said process and just can complete the laying of base.Then the canopy leg of a plurality of U-shaped canopies 1 is inserted into successively in each I-shaped structure in the U-shaped slot of two, then the two ends, arch of U-shaped canopy 1 and canopy leg are coupled together by card cable, help beam 4 to be placed on card cable outside simultaneously, keep side beam 4 levels, then one end of side beam 4, card cable and U-shaped canopy 1 are linked together.Use the same method, the other end of side beam 4 is connected with adjacent U-shaped canopy 1, and the most a plurality of U-shaped canopies 1 connect into overall structure, have improved the supporting intensity of U-shaped canopy; The base being connected into by bottom girder 3, a T character-shaped base 5 and the 2nd T character-shaped base 6 wherein can effectively be controlled pucking, and side beam 4 can reduce the distortion of portion of side, has reduced that U-shaped canopy shank fractures or the generation of the phenomenon of falling canopy.
Claims (6)
1. a U-shaped canopy supporting and protection structure, comprises U-shaped canopy (1), it is characterized in that, also comprises T character-shaped base (2), bottom girder (3) and side beam (4), and described T character-shaped base (2) is provided with U-shaped slot (21); The two ends of each U-shaped canopy (1) are inserted in respectively in the U-shaped slot (21) on the T character-shaped base (2) of two parallel placements, between the T character-shaped base (2) of two parallel placements, by bottom girder (3), connect; Between a plurality of U-shaped canopies (1), by side beam (4), be connected with T character-shaped base (2); Between the T character-shaped base (2) of adjacent two U-shaped canopies (1) below, be bolted; Described side beam (4) is connected with U-shaped canopy (1) by card cable.
2. a kind of U-shaped canopy supporting and protection structure according to claim 1, it is characterized in that, on first termination (22) of described T character-shaped base (2), the second termination (23) and the 3rd termination (24), all offer bolt hole, the first termination (22) and the second termination (23) are on same straight line, and the size of the first termination (22) is greater than the size of the second termination (23); The cross section of the first termination (22), the second termination (23) and the 3rd termination (24) is U-shaped.
3. a kind of U-shaped canopy supporting and protection structure according to claim 2, is characterized in that, the cross section at described bottom girder (3) two ends is U-shaped, all has bolt hole; Described bottom girder (3) two ends measure-alike, and be greater than the size of the 3rd termination (24).
4. according to a kind of U-shaped canopy supporting and protection structure described in claim 1,2 or 3, it is characterized in that, the cross section of described side beam (4) is rectangle, on side beam (4), has bolt hole.
5. a U-shaped canopy supporting and protection structure, comprise U-shaped canopy (1), it is characterized in that, also comprise a T character-shaped base (5), the 2nd T character-shaped base (6), bottom girder (3) and side beam (4), on a described T character-shaped base (5) and the 2nd T character-shaped base (6), be equipped with U-shaped slot; A described T character-shaped base (5) and the cross section of the 2nd upper three terminations of T character-shaped base (6) are U-shaped, and all offer bolt hole on termination; Described upper two the termination I's (51) on same straight line of a T character-shaped base (5) is measure-alike, upper two the termination II's (61) on same straight line of the 2nd T character-shaped base (6) is measure-alike, and the size of termination I (51) is greater than the size of termination II (61); The two ends of each U-shaped canopy (1) are inserted in respectively in a T character-shaped base (5) and the U-shaped slot on the 2nd T character-shaped base (6) of parallel placement, between a T character-shaped base (5) of two parallel placements and the 2nd T character-shaped base (6), by bottom girder (3), connect; Between a plurality of U-shaped canopies (1), by side beam (4), a T character-shaped base (5), be connected with the 2nd T character-shaped base (6); Between a T character-shaped base (5) on adjacent two U-shaped canopies (1) below, same straight line and the 2nd T character-shaped base (6), be bolted; Described side beam (4) is connected with U-shaped canopy (1) by card cable.
6. a U-shaped canopy supporting and protection structure, comprise U-shaped canopy (1), it is characterized in that, also comprise a T character-shaped base (5), the 2nd T character-shaped base (6), bottom girder (3) and side beam (4), on a described T character-shaped base (5) and the 2nd T character-shaped base (6), be equipped with U-shaped slot; A described T character-shaped base (5) and the cross section of the 2nd upper three terminations of T character-shaped base (6) are U-shaped, and all offer bolt hole on termination; Described upper two the termination I's (51) on same straight line of a T character-shaped base (5) is measure-alike, upper two the termination II's (61) on same straight line of the 2nd T character-shaped base (6) is measure-alike, and the size of termination I (51) is greater than the size of termination II (61); The two ends of each U-shaped canopy (1) are inserted in respectively in two T character-shaped bases (5) or the U-shaped slot on two the 2nd T character-shaped bases (6) of parallel placement, between two T character-shaped bases (5) of parallel placement or two the 2nd T character-shaped bases (6), by bottom girder (3), connect; Between a plurality of U-shaped canopies (1), by side beam (4), a T character-shaped base (5), be connected with the 2nd T character-shaped base (6); The base of adjacent two U-shaped canopies (1) below is different, is respectively a T character-shaped base (5) and the 2nd T character-shaped base (6), between a T character-shaped base (5) and the 2nd T character-shaped base (6), is bolted; Described side beam (4) is connected with U-shaped canopy (1) by card cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438773.9U CN203430534U (en) | 2013-07-22 | 2013-07-22 | U-shaped roof supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320438773.9U CN203430534U (en) | 2013-07-22 | 2013-07-22 | U-shaped roof supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203430534U true CN203430534U (en) | 2014-02-12 |
Family
ID=50059579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320438773.9U Expired - Fee Related CN203430534U (en) | 2013-07-22 | 2013-07-22 | U-shaped roof supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203430534U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464684A (en) * | 2016-01-08 | 2016-04-06 | 湖南科技大学 | Device for preventing support toppling caused by blasting vibration for coal mine underground raise advance |
| CN111101979A (en) * | 2019-10-30 | 2020-05-05 | 淮北矿业股份有限公司 | A reinforcement is strutted that is used for extra thick coal seam to follow end along empty tunnelling tunnel |
| CN114075989A (en) * | 2020-08-17 | 2022-02-22 | 李信斌 | Support equipment |
-
2013
- 2013-07-22 CN CN201320438773.9U patent/CN203430534U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464684A (en) * | 2016-01-08 | 2016-04-06 | 湖南科技大学 | Device for preventing support toppling caused by blasting vibration for coal mine underground raise advance |
| CN105464684B (en) * | 2016-01-08 | 2017-11-17 | 湖南科技大学 | A kind of anti-device blown out vibrations and topple over support of underground coal mine raise advance |
| CN111101979A (en) * | 2019-10-30 | 2020-05-05 | 淮北矿业股份有限公司 | A reinforcement is strutted that is used for extra thick coal seam to follow end along empty tunnelling tunnel |
| CN111101979B (en) * | 2019-10-30 | 2021-04-06 | 淮北矿业股份有限公司 | A reinforcement is strutted that is used for extra thick coal seam to follow end along empty tunnelling tunnel |
| CN114075989A (en) * | 2020-08-17 | 2022-02-22 | 李信斌 | Support equipment |
| CN114075989B (en) * | 2020-08-17 | 2024-03-26 | 李信斌 | Supporting equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203430534U (en) | U-shaped roof supporting structure | |
| CN108049898B (en) | Supporting system and supporting method for weak broken roof of coal roadway | |
| CN205243135U (en) | Two times overhead transmission line alternately bores tower more | |
| CN110206158B (en) | Horizontal connecting structure of precast concrete double-T plate and construction method thereof | |
| WO2013094780A1 (en) | Plate welding-type anchor channel and method for manufacturing same | |
| CN105862878A (en) | Supporting system for deep foundation pit | |
| CN204402559U (en) | A kind of large jacking force shield machine air pushes through hole truss-like reaction support group | |
| CN207701152U (en) | Support system for coal road weak broken top plate | |
| CN203008942U (en) | Fully-mechanized-face crossheading non-empty-caving forepoling bracket | |
| CN205296966U (en) | Transmission line iron tower | |
| CN201149972Y (en) | Equipotential operation curved ladder | |
| CN105133664B (en) | Combined frame type isolation protection system and construction method thereof | |
| CN205975956U (en) | Prefabricated component | |
| CN211312823U (en) | Fluid adding support assembly and lattice beam column based on same | |
| CN104631711A (en) | Wind uplift prevention metal roof board system | |
| CN108179819A (en) | A kind of plug-in type beam-to-column joint structure and its installation method | |
| CN211286756U (en) | Temporary reinforcing device for structural beam | |
| CN209837049U (en) | Prevent soil landing slope structure | |
| CN209277659U (en) | A kind of big corner single loop gate brill more tower for scissors crossing | |
| CN106837386A (en) | A kind of ultra thick coal bed fully mechanized amplification anti-risk topmast protection structure of span stope drift active workings | |
| CN206873470U (en) | A kind of high slope rockmass structure | |
| CN208024082U (en) | Engineering construction enclosing | |
| CN206513097U (en) | A kind of new omnipotent auxiliary cross-arm of " D " composite | |
| EP1873331A2 (en) | Overhead circuit pylon made of spun concrete | |
| CN204040322U (en) | A kind of wind resistance gear snow structure of metal Roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20140722 |
|
| EXPY | Termination of patent right or utility model |