CN205078285U - Pipe curtain locking device - Google Patents
Pipe curtain locking device Download PDFInfo
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- CN205078285U CN205078285U CN201520842058.0U CN201520842058U CN205078285U CN 205078285 U CN205078285 U CN 205078285U CN 201520842058 U CN201520842058 U CN 201520842058U CN 205078285 U CN205078285 U CN 205078285U
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Abstract
The utility model discloses a pipe curtain locking device belongs to tunnel construction technical field. The device is formed by connecting the public hasp and female hasp cooperation of rigid coupling on adjacent steel pipe outer wall of rigid coupling on first steel pipe outer wall, two public hasp support piece are add to public hasp, and public hasp support piece locates corresponding public hasp L shape main part lateral surface respectively, just is located between the public hasp L shape main part, two female hasp support piece are add to female hasp, and female hasp support piece locates corresponding female hasp L shape main part medial surface respectively, just is located between female hasp L shape main part, the non - welding limb and the non - welding limb lock of public hasp L shape main part of female hasp L shape main part are connected. The utility model provides the reliability that high hasp is connected has prevented breaking away from between hasp and the steel pipe and between hasp and the hasp, is applicable to a tub curtain construction.
Description
Technical field
The utility model belongs to technical field of tunnel construction, is specifically related to a kind of pipe curtain locker.
Background technology
Along with the increase of national economic development and urban population density, developable space, ground is fewer and feweri, is a kind of trend to underground space development.In order to ensure construction safety, pipe-roof method gets more and more as the application of advance support in underground space construction.
Pipe-roof method belongs to a kind of no-excavation construction method, is to head into steel pipe in the underground space surrounding planned to build or arch, adopts fore shaft lateral connection and inject cement paste between steel pipe, forms advance support system.Then under the protection of pipe curtain, carry out the excavation of the underground space.
Pipe-roof method construction is divided into pipe curtain to construct and the construction of underground structure body under the protection of pipe curtain.In the construction of pipe curtain, based on single steel pipe, steel pipe in sequence merogenesis heads in soil layer, is provided with fore shaft steel pipe is laterally connected between steel pipe, forms pipe curtain.Pipe curtain locker is the as a whole heavy connection of each fastener for connection.In concrete construction application, the snap close mode between each steel pipe has multiple.Patent ZL201020638997.0 discloses the pipe proscenia that fault belt is passed through in a kind of coal mine deep well tunnel, wherein relate to a kind of mode by fastener for connection snap close tube connector curtain body steel pipe.Patent ZL201510111407.2 gives the construction method of a kind of pipe curtain jacking, lists three kinds of steel tube lock buckle devices in embodiment: matching to angle steel with two export-oriented angle steel in symmetrical two forms; To match with T-steel to angle steel in two and form; Two band open-end tubes match composition.
In small-bore pipe curtain construction, shaped steel conventional on the snap close many employings market between steel pipe is as angle steel.Angle steel is adopted to there is shortcomings as pipe curtain snap close.One of them outstanding defect is that angle steel only has one with steel pipe contact point and pad, when stressed larger time angle steel snap close with steel pipe between easily split at pad, cause between snap close and steel pipe and between snap close and snap close and depart from, reduce the reliability be connected between steel pipe with steel pipe in the construction of pipe curtain.
Utility model content
The utility model, for the problem of easily threading off between snap close and steel pipe and between snap close and snap close, provides a kind of pipe curtain locker.The utility model is improved by the structure of conventional locker being carried out to Simple And Practical, eliminates and adopts the angle steel technological deficiency of easily threading off as pipe curtain snap close, improves fastness fixing between snap close and steel pipe, and latches in snapping point place and not easily thread off.
To achieve these goals, the utility model takes following technical scheme.
A kind of pipe curtain locker, is formed by connecting by the male snap close be fixed on the first outer wall of steel pipe and the female snap fit be fixed on adjacent outer wall of steel pipe, it is characterized in that:
Described public snap close comprises two dorsad and parallel and public snap close L shape main body that is that put, and between two public snap close L shape main bodys, on the lateral surface of two public snap close L shape main bodys, be equipped with the public snap close support member perpendicular with the lateral surface of public snap close L shape main body, a described public lateral edges of snap close L shape main body and a lateral edges of public snap close support member all weld with the outer wall of adjacent steel pipe, and two welding positions are parallel and do not overlap.
Described female snap close comprise two buttons to and parallel and female snap close L shape main body that is that put, and between two female snap close L shape main bodys, on the medial surface of two female snap close L shape main bodys, be equipped with the female snap close support member perpendicular with the medial surface of female snap close L shape main body, a described female lateral edges of snap close L shape main body and a lateral edges of female snap close support member all weld with the outer wall of the first steel pipe, and two welding positions are parallel and do not overlap.
The non-solder limb of described female snap close L shape main body and the non-solder limb of male snap close L shape main body are fastened and connected, by the first steel pipe, adjacent steel pipe, male snap close L shape main body, male snap close support member, female snap close L shape main body and female snap close support member enclose along steel pipe length to closed space.
Preferably, described public snap close L shape main body and public snap close support member are structure as a whole, and female snap close L shape main body and female snap close support member are structure as a whole.
Preferably, the width of the width of described public snap close support member and the non-solder limb of public snap close L shape main body adapts, and the width of the width of described female snap close support member and the non-solder limb of female snap close L shape main body adapts.
Easily depart from from the steel pipe of its welding to eliminate male and female snap close, male and female snap close has been set up male snap close support member and female snap close support member respectively.Male snap close support member and female snap close support member its corresponding steel-pipe welding respectively.Male snap close support member and female snap close support member respectively its corresponding steel pipe, angle steel be connected to form stable triangular structure, reliability is more much higher than the single-contact of steel pipe and angle steel, make snap close be not easy between steel pipe depart from.
Preferably, the surface, welding position of described male snap close support member and female snap close support member is curved, increases the contact area of support member and outer wall of steel pipe, improves the fastness of connection.
Preferably, the surface, welding position of described male snap close L shape main body and female snap close L shape main body is curved, increases the contact area of angle steel and outer wall of steel pipe, improves the fastness of connection.
Further, in order to ensure being connected between male and female snap close, the distance between described two female snap close L shape main bodys is less than the diameter of the first steel pipe, and the distance between described two male snap close L shape main bodys is less than the distance between two female snap close L shape main bodys.
Compared with existing pipe curtain snap close, the beneficial effects of the utility model or advantage major embodiment in the following areas:
In existing pipe curtain snap close mode, by two of symmetry to angle steel (namely described in the utility model two detain to and parallel and female snap close L shape main body that is that put) with two export-oriented angle steel (namely described in the utility model two dorsad and parallel and male snap close L shape main body that is that put) locker that forms of matching is comparatively common.It adopts angle steel conventional on market and steel-pipe welding to form, but this locker at the technological deficiency main manifestations of pipe curtain work progress is: one is that angle steel only has one with steel pipe contact point and pad, when stressed larger time angle steel snap close with steel pipe between easily split at pad; Two is that the angle steel thickness that forms the specification of snap close similar is less, and the angle steel thickness as 63*40mm is about 6 millimeters, and due to thickness, comparatively small intensity is low, causes between male and female snap close and easily threads off.
The utility model improves existing conventional locker, and male and female snap close L shape main body respectively arranges a support member, and support member is fixedly connected with outer wall of steel pipe.Specifically, two public snap close support members lay respectively at corresponding public snap close L shape main body lateral surface and between two public snap close L shape main bodys, a public lateral edges of snap close L shape main body and a lateral edges of public snap close support member all weld with the outer wall of adjacent steel pipe; Two female snap close support members lay respectively at the medial surface of corresponding female snap close L shape main body and between two female snap close L shape main bodys, a female lateral edges of snap close L shape main body and a lateral edges of female snap close support member all weld with the outer wall of the first steel pipe.The first side of support member and steel pipe, angle steel is connected to form stable triangular structure, avoid when stressed larger time angle steel snap close with steel pipe between easily to split at pad the generation of situation.
In addition, the width of the width of male snap close support member and female snap close support member and the non-solder limb of male snap close L shape main body and female snap close L shape main body adapts.The utility model suitably increases the thickness of snap close, the thickness of special male snap close and female snap close L shape main body is not less than 8 millimeters, preferably, the non-solder limb thickness of L shape steel is identical with the thickness of support member, be 10 millimeters, solve male snap close and female technical problem latching in the easy dropout at snapping point place.
The utility model has also carried out structural optimization to described locker, support member selects the steel plate of strip, the surface, welding position of male snap close support member and female snap close support member is curved, the surface, welding position of male snap close L shape main body and female snap close L shape main body is curved, increase the contact area with outer wall of steel pipe, improve the fastness of connection.
Accompanying drawing explanation
Fig. 1 is a kind of sectional view of existing pipe curtain locker.
Fig. 2 is the cross section structure schematic diagram of pipe curtain locker described in the utility model.
Fig. 3 is the cross section structure schematic diagram of female snap close.
Fig. 4 is the cross section structure schematic diagram of public snap close.
Fig. 5 is the schematic diagram of female snap close L shape main body and female snap close support member.
Fig. 6 is the schematic diagram of public snap close L shape main body and public snap close support member.
Description of reference numerals: 1-first steel pipe; The adjacent steel pipe of 2-; 3-public snap close L shape main body; The public snap close support member of 4-; 5-female snap close L shape main body; The female snap close support member of 6-.
Detailed description of the invention
Below in conjunction with embodiment, the utility model is further described, but the utility model is not limited to listed embodiment.
Fig. 1 gives a kind of existing pipe curtain locker, is made up of the male snap close cooperatively interacted and female snap close.Public snap close comprises two dorsad and a lateral edges of public snap close L shape main body 3, the two public snap close L shape main body 3 be arranged in parallel is welded on the outer wall of same first steel pipe 1 respectively, and two welding positions are parallel and do not overlap.With male snap close in mating connection be female snap close, female snap close comprise two buttons to and the female snap close L shape main body 5 be arranged in parallel, one lateral edges of two female snap close L shape main bodys 5 is welded on the outer wall of same adjacent steel pipe 2 respectively, and two welding positions are parallel and do not overlap.In the construction of steel curtain, need two male snap close L shape main bodys 3 to insert in the space that two female snap close L shape main bodys 5 are formed.Therefore, in order to ensure being connected between male and female snap close, the distance between described two female snap close L shape main bodys 5 is less than the diameter of the first steel pipe 1, and the distance between described two male snap close L shape main bodys 3 is less than the distance between two female snap close L shape main bodys 5.
Existing pipe curtain locker adopts thickness conventional on market to be about the angle steel of 6 millimeters usually.This locker produced problem main manifestations in pipe curtain work progress is: one is that (weld with the first steel pipe 1 by public snap close L shape main body 3 with steel pipe for angle steel, female snap close L shape main body 5 is welded with adjacent steel pipe 2) pad unique, when locker stressed larger time, the pad of angle steel and steel pipe is easy to crack; Two is that commercially available angle steel thickness is less, and male and female latches in snap close place and easily threads off.
In order to eliminate the technological deficiency of above-mentioned pipe curtain locker, Fig. 2 to Fig. 6 provides a kind of pipe curtain locker of improvement.On the basis of the curtain of pipe shown in Fig. 1 locker, the present embodiment has carried out structure improvement, provides a kind of novel pipe curtain locker.Described in the present embodiment, the improvement of pipe curtain locker is, each L shape main body forming male snap close, female snap close respectively arranges a support member, and support member and outer wall of steel pipe are welded and fixed.Specifically, described public snap close is except comprising two dorsad and parallel and except the public snap close L shape main body 3 of putting, also between two public snap close L shape main bodys 3, on the lateral surface of two public snap close L shape main bodys 3, all have additional the public snap close support member 4 perpendicular with the lateral surface of public snap close L shape main body, a described public lateral edges of snap close L shape main body 3 and a lateral edges of public snap close support member 4 all weld with the outer wall of adjacent steel pipe 2, and two welding positions are parallel and do not overlap.
Accordingly, described female snap close except comprise two buttons to and parallel and female snap close L shape main body 5 that is that put, and between two female snap close L shape main bodys 5, on the medial surface of two female snap close L shape main bodys 5, be equipped with the female snap close support member 6 perpendicular with the medial surface of female snap close L shape main body, a described female lateral edges of snap close L shape main body 5 and a lateral edges of female snap close support member 6 all weld with the outer wall of the first steel pipe 1, and two welding positions are parallel and do not overlap.
Fig. 2 shows, the non-solder limb of described female snap close L shape main body 5 and the non-solder limb of male snap close L shape main body 3 are fastened and connected, by the first steel pipe 1, adjacent steel pipe 2, male snap close L shape main body 3, male snap close support member 4, female snap close L shape main body 5 and female snap close support member 6 enclose along steel pipe length to closed space.By arranging male snap close support member 4 and female snap close support member 6 in the inner side of male snap close, female snap close, make male snap close, steel pipe that female snap close welds with it respectively has two contact points and pad, support member, between angle steel and steel pipe, form stable triangular structure, reliability is more much higher than single-contact (see figure 1), though stressed larger time angle steel snap close with being also not easy between steel pipe to depart from.
As most preferred embodiment, see Fig. 5, Fig. 6, female snap close that male snap close, female snap close support member 6 and female snap close L shape main body 5 that male snap close support member 4 and male snap close L shape main body 3 are formed are formed is all the shaped steel be structure as a whole.
In order to increase the contact area of support member and steel pipe connecting contact, improve the firmness connected, especially, the joint face of support member and outer wall of steel pipe is curved, and namely the surface, welding position of male snap close support member 4 and female snap close support member 6 is curved, sees Fig. 5, Fig. 6.
As another preferred embodiment, described male snap close L shape main body 3 and female snap close L shape main body 5 are all by the special angle steel out of shaped steel, and as to the shape of support member, the preferred of material, described male snap close support member 4 and female snap close support member 6 are all bar shaped shaped steel.Further, the width of male snap close support member 4 and female snap close support member 6 adapts with the width of the non-solder limb of male snap close L shape main body 3 and the non-solder limb of female snap close L shape main body 5 respectively.Preferably, the non-solder limb thickness of angle steel is identical with the thickness of support member, is 10 millimeters, solves male snap close and female technical problem latching in the easy dropout at snapping point place.As can be seen from Figure 5, female snap close support member 6 be arranged in parallel, in F shape with the non-solder limb of female snap close L shape main body 5.Further, the joint face of angle steel and outer wall of steel pipe is curved, and namely the surface, welding position of described male snap close L shape main body 3 and female snap close L shape main body 5 is curved, can increase the firmness at shaped steel and steel-pipe welding position further.
As another preferred embodiment, what the pipe curtain locker after improvement adopted is a kind of special female snap close L shape main body 5, and the length of its non-solder limb is 40 millimeters, and welding limb length is 65 millimeters.Female snap close support member 6 is the steel plate of strip, and length is 20 millimeters.The joint face of female snap close support member 6, female snap close L shape main body 5 and the first steel pipe 1 outer wall is curved, and arc diameter is 10 millimeters.Visible, the thickness of the non-solder limb of this female snap close L shape main body 5 is not less than 6 millimeters, be preferably 10 millimeters, and the thickness of the non-solder limb of female snap close L shape main body 5 is identical with the thickness of female snap close support member 6.
Analyzed by above embodiment, can find out that the utility model does not solve easy dropout problem between snap close and steel pipe by means of only arranging two pads, and solve the dropout problem between snap close by the thickness (this example adopts 10 mm of thickness, and the angle steel thickness of similar specification is about 6 millimeters) increasing snap close.Pipe curtain locker described in the utility model can be applicable to the pipe curtain that diameter is 299 millimeters.
The utility model is done above in conjunction with the embodiments and further described, but the utility model is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, can also make a variety of changes under the prerequisite not departing from the utility model aim.
Claims (6)
1. a pipe curtain locker, is formed by connecting by the male snap close be fixed on the first steel pipe (1) outer wall and the female snap fit be fixed on adjacent steel pipe (2) outer wall, it is characterized in that:
Described public snap close comprises two dorsad and parallel and public snap close L shape main body (3) that is that put, and between two public snap close L shapes main body (3), on the lateral surface of two public snap close L shapes main body (3), be equipped with the public snap close support member (4) perpendicular with the lateral surface of public snap close L shape main body, a described lateral edges of public snap close L shape main body (3) and a lateral edges of public snap close support member (4) all weld with the outer wall of adjacent steel pipe (2), and two welding positions are parallel and do not overlap;
Described female snap close comprise two buttons to and parallel and female snap close L shape main body (5) that is that put, and between two female snap close L shapes main body (5), on the medial surface of two female snap close L shapes main body (5), be equipped with the female snap close support member (6) perpendicular with the medial surface of female snap close L shape main body, a described lateral edges of female snap close L shape main body (5) and a lateral edges of female snap close support member (6) all weld with the outer wall of the first steel pipe (1), and two welding positions are parallel and do not overlap;
The non-solder limb of described female snap close L shape main body (5) and the non-solder limb of male snap close L shape main body (3) are fastened and connected, by the first steel pipe (1), adjacent steel pipe (2), male snap close L shape main body (3), male snap close support member (4), female snap close L shape main body (5) and female snap close support member (6) enclose along steel pipe length to closed space.
2. pipe curtain locker according to claim 1, is characterized in that, described public snap close L shape main body (3) and public snap close support member (4) are structure as a whole, and female snap close L shape main body (5) and female snap close support member (6) are structure as a whole.
3. pipe curtain locker according to claim 1 and 2, is characterized in that, the surface, welding position of described male snap close support member (4) and female snap close support member (6) is curved.
4. pipe curtain locker according to claim 1 and 2, is characterized in that, the surface, welding position of described male snap close L shape main body (3) and female snap close L shape main body (5) is curved.
5. pipe curtain locker according to claim 1 and 2, it is characterized in that, distance between described two female snap close L shapes main body (5) is less than the diameter of the first steel pipe (1), and the distance between described two male snap close L shapes main body (3) is less than the distance between two female snap close L shapes main body (5).
6. pipe curtain locker according to claim 1 and 2, it is characterized in that, the width of the width of described public snap close support member (4) and the non-solder limb of public snap close L shape main body (3) adapts, and the width of the width of described female snap close support member (6) and the non-solder limb of female snap close L shape main body (5) adapts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842058.0U CN205078285U (en) | 2015-10-28 | 2015-10-28 | Pipe curtain locking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520842058.0U CN205078285U (en) | 2015-10-28 | 2015-10-28 | Pipe curtain locking device |
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| CN205078285U true CN205078285U (en) | 2016-03-09 |
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| CN201520842058.0U Active CN205078285U (en) | 2015-10-28 | 2015-10-28 | Pipe curtain locking device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780942A (en) * | 2017-11-20 | 2018-03-09 | 浙江交通职业技术学院 | The new prefabricated assembled pipe canopy and its manufacture craft of a kind of soft soil tunnel pre-reinforcement |
| CN108952778A (en) * | 2018-08-14 | 2018-12-07 | 中铁十四局集团有限公司 | Steel pipe is used in a kind of pipe curtain construction method and construction |
-
2015
- 2015-10-28 CN CN201520842058.0U patent/CN205078285U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780942A (en) * | 2017-11-20 | 2018-03-09 | 浙江交通职业技术学院 | The new prefabricated assembled pipe canopy and its manufacture craft of a kind of soft soil tunnel pre-reinforcement |
| CN107780942B (en) * | 2017-11-20 | 2024-05-14 | 浙江交通职业技术学院 | Novel prefabricated assembled pipe shed for pre-reinforcing soft soil tunnel and manufacturing process thereof |
| CN108952778A (en) * | 2018-08-14 | 2018-12-07 | 中铁十四局集团有限公司 | Steel pipe is used in a kind of pipe curtain construction method and construction |
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