CN202090926U - Support for down-hole rail roadway formwork - Google Patents
Support for down-hole rail roadway formwork Download PDFInfo
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- CN202090926U CN202090926U CN2011201462739U CN201120146273U CN202090926U CN 202090926 U CN202090926 U CN 202090926U CN 2011201462739 U CN2011201462739 U CN 2011201462739U CN 201120146273 U CN201120146273 U CN 201120146273U CN 202090926 U CN202090926 U CN 202090926U
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- butt joint
- leading screw
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- grip assembly
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Abstract
The utility model provides a support for a down-hole rail roadway formwork, comprising two rows of column legs. The top portions of the column legs are all provided with first butt joints, the top portion of each column leg pair disposed with respect to each other in the two rows of column legs is provided with a second butt joint, and two adjacent column legs in each row of column legs are respectively provided with a third butt joint with respect to each other. The support for a down-hole rail roadway formwork also comprises a plurality of lateral supports which are jointed to the second butt joints disposed on each column leg pair corresponding to each other through the butt joints at two ends, a plurality of longitudinal supports which are jointed to the third butt joints disposed on two adjacent column legs of each row of column legs through the butt joints at two ends, a plurality of archings which are jointed to the first butt joints disposed on each column leg pair corresponding to each other through butt joints of an arc base portion, a plurality of lateral screw rod and master sleeve assemblies, which are disposed between the column leg and the rail with adjustable length, and a plurality of tilted screw rod and master sleeve assemblies, which are jointed to fourth butt joints disposed at the side face of the column legs and fifth butt joints disposed on the lateral screw rod and master sleeve assemblies with adjustable length. With the support, supporting and drilling can be conducted at the same time.
Description
Technical field
The utility model relates to mine engineering support technology field, specifically, relates to the support that a kind of down-hole has the rail tunnel formwork to use.
Background technology
At present, at home in the capital construction of underground mine engineering, with manually cutting a hole the quick-fried detritus that comes, come muck with electric LHD or slusher formula dirt loader, and arrange rock usually with rail locomotive haulage mine car.Because the design of section of underworkings must be narrower and small, adds the limitation and the influence of ventilation condition, geological conditions, when single dead face is constructed, generally is to tunnel earlier, and then carries out supporting.The driving and supporting because of mutual restriction with influence each other can't construct simultaneously, parallel operations.So the time that the project duration is consumed is more.
For example, when carrying out conventional block arch supporting, general way is, installs post leg and bow member in the tunnel, with reinforcing bar the post leg coupled together simultaneously, and set up scaffolding platform in the tunnel, can lay template afterwards and build operation.Like this, formwork is prepared time-consuming more, and construction material (as reinforcing bar, oxygen, acetylene, welding rod etc.) loss is bigger, and required manually more.
The utility model content
The support that provides a kind of reusable down-hole to have the rail tunnel formwork to use is provided the purpose of this utility model, to solve the problem that driving and supporting carry out synchronously in the construction of underground dead face, make and in driving row rock, to carry out permanent support the rock crusher section, thereby accelerating construction progress reduces construction cost.
To achieve these goals, the support that the utility model provides a kind of down-hole to have the rail tunnel formwork to use, it comprises: along the upright post leg of two row of the arrangement of the track bearing of trend in the described tunnel, wherein, one colonnade leg is corresponding one by one in order with another colonnade leg, the top of every post leg is provided with first butt joint, and one in the colonnade leg every post leg and near the side the top of the corresponding post leg in another colonnade leg on a pair of second butt joint is set relative to one another, at least two pairs the 3rd butt joints are set on the side of two adjacent post legs in every colonnade leg relative to one another; A plurality of horizontal supports, the two ends of each horizontal support are equipped with and the corresponding butt joint of described second butt joint, wherein, a pair of second butt joint that is provided with relative to one another near the side the top of every post leg in the colonnade leg and the corresponding post leg in another colonnade leg is docked with the butt joint at horizontal support two ends respectively; A plurality of vertical supports, each vertical two ends of supporting is equipped with and the corresponding butt joint of described the 3rd butt joint, wherein, every pair the 3rd butt joint at least two pairs the 3rd butt joints that are provided with relative to one another on the side of two adjacent post legs in described every colonnade leg is docked with the butt joint at vertical two ends of supporting respectively; A plurality of bow members, two skewback portions of each bow member are equipped with and the corresponding butt joint of described first butt joint, and the butt joint in two skewback portions of each bow member is docked with described first butt joint on the top of described pair of corresponding post leg respectively; A plurality of stull leading screws and female grip assembly, a described stull leading screw and female grip assembly have been installed between the side of the track of close this post leg near side the bottom of every post leg and the tunnel, this stull leading screw and female grip assembly are vertical with this track with this post leg, and the outward appearance adjustable in length of this stull leading screw and female grip assembly; And a plurality of diagonal brace leading screws and female grip assembly, the two ends of each diagonal brace leading screw and female grip assembly are equipped with butt joint, the butt joint at these two ends respectively be arranged on post leg side on the 4th butt joint and be arranged on the corresponding and butt joint of the 5th butt joint on the side of described stull leading screw and female grip assembly, and the outward appearance adjustable in length of this diagonal brace leading screw and female grip assembly.
Described post leg is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, described horizontal support is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, described vertical support is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, and described bow member is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe, channel-section steel, angle steel and the i iron.
By top description as can be known, diagonal brace leading screw and female grip assembly, stull leading screw and female grip assembly and post leg form triangle, and structure is very firm; By regulating the length of diagonal brace leading screw and female grip assembly and stull leading screw and female grip assembly, can make bow member reach the design width, can guarantee the verticality and the rigidity of post leg simultaneously; In horizontal support, can also lay the operating platform of plank with the time as the arch operation.When adopting support described in the utility model to carry out supporting, can tunnel synchronously, the below of the horizontal support that mine car can be along the track in the tunnel from support is smoothly by to arrange rock.So just accelerated the progress of engineering integral construction.
Adopt support described in the utility model can also save the formwork time, reduce the use of consumptive material, save man-hour, thereby construction cost is reduced significantly.In addition, support described in the utility model can be reused.
Description of drawings
Fig. 1 shows the cross section that there is the support that the rail tunnel formwork uses a described down-hole of embodiment of the present utility model;
Fig. 2 shows a described down-hole of embodiment of the present utility model the vertical generalized section that combines with the post leg that supports in the support that the rail tunnel formwork uses;
Fig. 3 shows a described down-hole of embodiment of the present utility model the stull leading screw in the support that the rail tunnel formwork uses and the generalized section of female grip assembly;
Fig. 4 shows a described down-hole of embodiment of the present utility model the diagonal brace leading screw in the support that the rail tunnel formwork uses and the lateral view of female grip assembly; And
Fig. 5 shows a described down-hole of embodiment of the present utility model the diagonal brace leading screw in the support that the rail tunnel formwork uses and the vertical view of female grip assembly.
The specific embodiment
Describing down-hole described in the utility model below with reference to the accompanying drawings has an embodiment of the support that the rail tunnel formwork uses.Those of ordinary skill in the art can recognize, under the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used to limit the protection domain of claim.In addition, in this manual, identical Reference numeral is represented identical parts, and accompanying drawing draws not in scale.
Fig. 1 shows the cross section that there is the support that the rail tunnel formwork uses a described down-hole of embodiment of the present utility model.As shown in Figure 1, a described down-hole of the embodiment of the present utility model support 100 that has the rail tunnel formwork to use comprises upright post leg 10a and 10b, a plurality of horizontal support 20, a plurality of vertical support (not shown), a plurality of bow member 40, a plurality of stull leading screw and female grip assembly 50a and 50b and a plurality of diagonal brace leading screw and female grip assembly 60a and the 60b of two row that bearing of trend along track 200a, 200b in the described tunnel direction of paper (promptly perpendicular to) is arranged.
Among two colonnade leg 10a and the 10b, one colonnade leg 10a is corresponding one by one in order with another colonnade leg 10b, the top of every post leg 10a or 10b is provided with first butt joint 11a or the 11b, on near every post leg 10a in the one colonnade leg and the top of the corresponding post leg 10b in another colonnade leg the side a pair of second butt joint 12a and the 12b is set relative to one another, at least two couples the 3rd butt joint 13a or 13b (referring to Fig. 2 of back) are set on the side of two adjacent post legs among every colonnade leg 10a or the 10b relative to one another.In addition, as hereinafter described, also be provided with the 4th butt joint 14a or 14b in the side of every post leg 10a or 10b.
The first butt joint 11a and 11b are made of fixing (for example, by welding) steel plate at post leg 10a and 10b top, are formed with a plurality of holes (for example symmetrically arranged 2 or 4 holes at the steel plate edge) on this steel plate.The second butt joint 12a and 12b are made by fixing (for example by welding) steel plate near the side the top of post leg 10a and 10b, are formed with a plurality of holes on this steel plate.In the embodiment shown in fig. 1, a side weld that constitutes the steel plate of the second butt joint 12a and 12b is connected on the side of post leg 10a and 10b (that is, this steel plate is parallel to paper).In other embodiments, also can be that the plate face that constitutes the steel plate of the second butt joint 12a and 12b is welded on the side of post leg 10a and 10b (promptly this steel plate is perpendicular to paper).In one embodiment, the 3rd butt joint 13a and 13b can be made by the round steel pipe on the side that is fixed on post leg 10a and 10b.The 4th butt joint 14a and 14b are made by fixing (for example by welding) steel plate near the side the middle and lower part of post leg 10a and 10b, be formed with a plurality of holes on this steel plate, and a side weld of this steel plate is connected on the side of post leg 10a and 10b (that is, this steel plate is parallel to paper).
Described vertical support is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron.Each vertical two ends of supporting be equipped with the post leg on the 3rd butt joint 13a or the corresponding butt joint of 13b, and every pair the 3rd butt joint at least two pairs the 3rd butt joints that are provided with relative to one another on the side of two adjacent post legs in every colonnade leg is docked with the butt joint at vertical two ends of supporting respectively.Fig. 2 shows vertical support 30a among the embodiment of the present utility model and the schematic diagram that docks with post leg 10a thereof.As shown in Figure 2, in an embodiment of the present utility model, the vertical 30a that supports is made by round steel, and its two ends form and should indulge the bar 31a that the pars intermedia that supports 30a is vertical and be parallel to each other, as this vertical butt joint of supporting the 30a two ends.The vertical butt joint 31a that supports the 30a two ends respectively with post leg row in two adjacent post legs on the 3rd butt joint 13a dock, in the embodiment shown in Figure 2, being respectively, insertion forms in the round steel pipe of the 3rd butt joint 13a on the post leg 10a.
Referring again to Fig. 1, bow member 40 is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe, channel-section steel, angle steel and the i iron, and each bow member 40 can be formed by two or more part butt joints.Two skewback portions of each bow member 40 be equipped with post leg 10a and 10b on the first butt joint 11a and corresponding butt joint 41a and the 41b of 11b.For example, in an embodiment of the present utility model, butt joint 41a on the bow member 40 and 41b are made of fixing (for example, by welding) steel plate in skewback portion, are formed with a plurality of holes on this steel plate.A plurality of Kong Yuzhu leg 10a on butt joint 41a on the bow member 40 or the 41b or the first butt joint 11a on the 10b or a plurality of holes on the 11b correspond to each other and corresponding aperture big or small identical, by for example screw bolt and nut, the butt joint 41a in two skewback portions of each bow member 40 and 41b can be docked with the first butt joint 11a and 11b on the top of pair of corresponding post leg respectively.
Stull leading screw and female grip assembly 50a and 50b prop up respectively and are located between post leg 10a and the track 200a and between post leg 10b and the track 200b, and the outward appearance adjustable in length.Stull leading screw and female grip assembly 50a are vertical with track 200a with post leg 10a, and stull leading screw and female grip assembly 50b are vertical with track 200b with post leg 10b.Fig. 3 is stull leading screw in the described support of embodiment of the present utility model and the schematic diagram of female grip assembly 50a.As shown in Figure 3, stull leading screw and female grip assembly 50a comprise the first leading screw 51a, the second leading screw 52a, female cover 53a and the 5th butt joint 54a, wherein, the first leading screw 51a and the second leading screw 52a are cylindrical, be provided with screw thread in its side, on its main body, be provided with the through hole 55a that extends perpendicular to its side and leading screw 51a and 52a rotated so that insert reinforcing bar therein; And female cover 53a is tubular, be respectively equipped with on the inwall at its two ends with the first leading screw 51a and the second leading screw 52a on the screw thread of screw thread coupling.The first leading screw 51a, the second leading screw 52a and female cover 53a combine by screw thread.By the through hole 55a on the first leading screw 51a and/or the second leading screw 52a, the outward appearance length of utilizing bar or rod can regulate stull leading screw and female grip assembly 50a.In addition, the central authorities of overlapping the lateral surface of 53a mother are provided with the 5th butt joint 54a regularly, are used for docking with the following diagonal brace leading screw that will address and female grip assembly.
Fig. 4 is the lateral view of diagonal brace leading screw and female grip assembly 60a, and Fig. 5 is its vertical view.Diagonal brace leading screw and female grip assembly 60b and diagonal brace leading screw and female grip assembly 60a are similar, and the descriptions thereof are omitted here.As shown in Figure 4 and Figure 5, diagonal brace leading screw and female grip assembly 60a comprise leading screw 61a, first female cover 62a and second female cover 63a.The two ends of leading screw 61a are provided with screw thread, and its main body central authorities are provided with the through hole 64a that extends perpendicular to its side rotates leading screw 61a so that insert reinforcing bar therein.The end of first female cover 62a is provided with a screw that the end of thread is complementary with leading screw 61a, and the other end of first female cover 62a is provided with and is arranged on the corresponding butt joint 66a of the 4th butt joint 14a on the post leg side.The end of second female cover 63a is provided with the screw that another end of thread with leading screw 61a is complementary, and its other end is provided with and is arranged on the corresponding butt joint 67a of the 5th butt joint 54a on stull leading screw and the female grip assembly 50a.The hand of spiral of two ends of thread of leading screw 61a and the hand of spiral of the screw on first female cover 62a and the second female cover 63a are set, make when two ends of thread of leading screw 61a being combined with screw on first female cover 62a and the second female cover 63a respectively and utilize through hole 64a on the leading screw 61a that leading screw 61a is rotated around self central axis, first female cover 62a and second female cover 63a do the opposite motion of direction, thereby diagonal brace leading screw and female grip assembly 60a just can stretch, and its length just can be regulated.For instance, can make first female cover 62a consistent, make the hand of spiral at leading screw 61a two ends opposite, like this with the hand of spiral on second female cover 63a, when leading screw 61a when self central axis rotates, be enclosed within the female cover 62a of first on the leading screw 61a and second female cover 63a does the opposite motion of direction.
The butt joint 66a at diagonal brace leading screw and female grip assembly 60a two ends and 67a can be made at one or more steel plates (being two steel plates in Fig. 4 and Fig. 5) at diagonal brace leading screw and female grip assembly 60a two ends by fixing (for example by welding or integrated formation), form porose on this steel plate.The butt joint 66a at these two ends and 67a respectively be arranged on post leg 10a side on the 4th butt joint 14a and the 5th butt joint 54a that is arranged on the side of stull leading screw and female grip assembly 50a corresponding, and dock by screw bolt and nut.As shown in Figure 1, the 5th butt joint 54a on the 4th butt joint 14a on the post leg 10a, stull leading screw and the female grip assembly 50a is in post leg 10a, stull leading screw and female grip assembly 50a and diagonal brace leading screw and the formed plane of female grip assembly 60a.
When the support that use formwork described in the utility model is used in the rail tunnel being arranged, earlier bow member 40 is docked with post leg 10a and 10b, post leg 10a and 10b are stood on the basement rock in the down-hole.Then, install stull leading screw and female grip assembly 50a and 50b and diagonal brace leading screw and female grip assembly 60a and 60b, and it is carried out coarse adjustment.At this moment, on the basement rock that post leg 10a and 10b are stood, be pre-formed pit, perhaps use the little lumps of wood, the one end is withstood wall, its other end is withstood the post leg, thereby make the fixed-site of described post leg.Horizontal support 20 is docked with post leg 10a and 10b.Equally, continue frame and stand other bow member, post leg and horizontal support, and install vertical 30a of support and 30b between the adjacent post leg in same colonnade leg.
Then, according to the width of design section, highly regulate diagonal brace leading screw and female grip assembly 60a and 60b and stull leading screw and female grip assembly 50a and 50b to guarantee the verticality of post leg 10a and 10b.Then, at the post leg outer side combination set shaped steel formwork of mating formation, and carry out concrete and build operation.When needs are removed support described in the utility model, adopt the sequence of steps opposite to remove and get final product with the above-mentioned steps sequence.
By top description as can be known, diagonal brace leading screw and female grip assembly 60a (60b), stull leading screw and female grip assembly 50a (50b) and post leg 10a (10b) form triangle, and structure is very firm; By regulating diagonal brace leading screw and female grip assembly 60a (60b) and stull leading screw and female grip assembly 50a (50b), can make bow member reach the design width, can guarantee verticality and the rigidity of post leg 10a and 10b simultaneously; In horizontal support 20, can also lay the operating platform of plank with the time as arch 40 operations.When adopting support described in the utility model to carry out supporting, can tunnel synchronously, the below of the horizontal support 20 that mine car can be along the track in the tunnel from support is smoothly by to arrange rock.So just accelerated engineering integral construction progress.
Adopt support described in the utility model can also save the formwork time, reduce the use of consumptive material, save man-hour, thereby construction cost is reduced significantly.In addition, support described in the utility model can be reused.
It will be appreciated by those skilled in the art that the support that the down-hole that proposes for above-mentioned the utility model has the rail tunnel formwork to use, can also on the basis that does not break away from the utility model content, make various improvement and combination.Therefore, protection domain of the present utility model should be determined by the content of appending claims.
Claims (8)
1. the support that the down-hole has the rail tunnel formwork to use is characterized in that, comprising:
The upright post leg of two row along the arrangement of the track bearing of trend in the described tunnel, wherein, one colonnade leg is corresponding one by one in order with another colonnade leg, the top of every post leg is provided with first butt joint, and one in the colonnade leg every post leg and near the side the top of the corresponding post leg in another colonnade leg on a pair of second butt joint is set relative to one another, at least two pairs the 3rd butt joints are set on the side of two adjacent post legs in every colonnade leg relative to one another;
A plurality of horizontal supports, the two ends of each horizontal support are equipped with and the corresponding butt joint of described second butt joint, wherein, a pair of second butt joint that is provided with relative to one another near the side the top of every post leg in the colonnade leg and the corresponding post leg in another colonnade leg is docked with the butt joint at horizontal support two ends respectively;
A plurality of vertical supports, each vertical two ends of supporting is equipped with and the corresponding butt joint of described the 3rd butt joint, wherein, every pair the 3rd butt joint at least two pairs the 3rd butt joints that are provided with relative to one another on the side of two adjacent post legs in described every colonnade leg is docked with the butt joint at vertical two ends of supporting respectively;
A plurality of bow members, two skewback portions of each bow member are equipped with and the corresponding butt joint of described first butt joint, and the butt joint in two skewback portions of each bow member is docked with described first butt joint on the top of described pair of corresponding post leg respectively;
A plurality of stull leading screws and female grip assembly, a described stull leading screw and female grip assembly have been installed between the side of the track of close this post leg near side the bottom of every post leg and the tunnel, this stull leading screw and female grip assembly are vertical with this track with this post leg, and the outward appearance adjustable in length of this stull leading screw and female grip assembly; And
A plurality of diagonal brace leading screws and female grip assembly, the two ends of each diagonal brace leading screw and female grip assembly are equipped with butt joint, the butt joint at these two ends respectively be arranged on post leg side on the 4th butt joint and be arranged on the corresponding and butt joint of the 5th butt joint on the side of described stull leading screw and female grip assembly, and the outward appearance adjustable in length of this diagonal brace leading screw and female grip assembly.
2. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described post leg is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, described horizontal support is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, described vertical support is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe and the i iron, and described bow member is made by one or more section bars in round steel, round steel pipe, square steel, square steel pipe, channel-section steel, angle steel and the i iron.
3. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described stull leading screw and female grip assembly comprise:
First leading screw, cylindrical, the side of first leading screw is provided with screw thread, and the main body of first leading screw is provided with the through hole that extends perpendicular to the side of first leading screw;
Second leading screw, cylindrical, the side of second leading screw is provided with screw thread, and the main body of second leading screw is provided with the through hole that extends perpendicular to the side of second leading screw;
Female cover is tubular, be respectively equipped with on the inwall at its two ends with described first leading screw and described second leading screw on the screw thread of screw thread coupling;
The 5th butt joint is arranged on the central authorities of the lateral surface of described female cover regularly,
Wherein, first leading screw, second leading screw and female cover combine, and by the through hole on first leading screw and/or second leading screw, the outward appearance length of utilizing bar or rod to regulate stull leading screw and female grip assembly.
4. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described diagonal brace leading screw and female grip assembly comprise:
Leading screw, the two ends of this leading screw are provided with screw thread, and the main body of this leading screw is provided with the through hole that extends perpendicular to the side of this leading screw;
First female cover, an end of this first female cover is provided with a screw that the end of thread is complementary with described leading screw, and the other end of this first female cover is provided with and is arranged on the corresponding butt joint of the 4th butt joint on the post leg side; And
Second female cover, end of this second female cover are provided with the screw that another end of thread with described leading screw is complementary, and other end of this second female cover is provided with and is arranged on the corresponding butt joint of the 5th butt joint on described stull leading screw and the female grip assembly;
Wherein, the hand of spiral of the screw that the hand of spiral of two ends of thread of described leading screw and described first female cover and described second mother put is set, make that described first female cover and described second mother overlap and do the opposite motion of direction when described two ends of thread of described leading screw being combined with screw that described first female cover and described second mother put respectively and utilize through hole on the described leading screw that described leading screw is rotated around self central axis.
5. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described first butt joint is the steel plate that is formed with a plurality of holes, with the corresponding butt joint of described first butt joint also be the steel plate that is formed with a plurality of holes, a plurality of holes on described two steel plates correspond to each other and corresponding aperture big or small identical, by screw bolt and nut, described first butt joint is docked with its pairing butt joint.
6. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described second butt joint is the steel plate that is formed with a plurality of holes, with the corresponding butt joint of described second butt joint also be the steel plate that is formed with a plurality of holes, a plurality of holes on described two steel plates correspond to each other and corresponding aperture big or small identical, by screw bolt and nut, described second butt joint is docked with its pairing butt joint.
7. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described vertical support is made by round steel, and its two ends form and should indulge the bar that the pars intermedia that supports is vertical and be parallel to each other, as this vertical butt joint of supporting two ends;
Corresponding a pair of the 3rd butt joint on the side of two the adjacent post legs in the described post leg row that dock with the butt joint at these vertical two ends of supporting is made by a pair of round steel pipe that is separately fixed on these two post leg sides, and the butt joint at the two ends of described vertical support is inserted respectively in the described a pair of round steel pipe.
8. the support that down-hole according to claim 1 has the rail tunnel formwork to use is characterized in that,
Described the 4th butt joint is the steel plate that is formed with a plurality of holes, and this steel plate is fixed on the post leg, and with this post leg and corresponding stull leading screw and female grip assembly in a plane,
Described the 5th butt joint is the steel plate that is formed with a plurality of holes, and this steel plate is fixed on stull leading screw and the female grip assembly, and with this stull leading screw and female grip assembly and corresponding post leg in a plane,
By screw bolt and nut, described the 4th butt joint is docked with its pairing butt joint and described the 5th butt joint is docked with its pairing butt joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201462739U CN202090926U (en) | 2011-05-10 | 2011-05-10 | Support for down-hole rail roadway formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201462739U CN202090926U (en) | 2011-05-10 | 2011-05-10 | Support for down-hole rail roadway formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202090926U true CN202090926U (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201462739U Expired - Lifetime CN202090926U (en) | 2011-05-10 | 2011-05-10 | Support for down-hole rail roadway formwork |
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| Country | Link |
|---|---|
| CN (1) | CN202090926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269302A (en) * | 2017-07-25 | 2017-10-20 | 中国矿业大学(北京) | A kind of self-locking tunnel top side suspension device |
| CN113089511A (en) * | 2021-03-18 | 2021-07-09 | 湖北正鑫铝模科技有限公司 | Water diversion hole supporting aluminum mold and assembling method |
-
2011
- 2011-05-10 CN CN2011201462739U patent/CN202090926U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269302A (en) * | 2017-07-25 | 2017-10-20 | 中国矿业大学(北京) | A kind of self-locking tunnel top side suspension device |
| CN113089511A (en) * | 2021-03-18 | 2021-07-09 | 湖北正鑫铝模科技有限公司 | Water diversion hole supporting aluminum mold and assembling method |
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