CN2886056Y - Dedicated connector for frozen pipe drilling rod - Google Patents
Dedicated connector for frozen pipe drilling rod Download PDFInfo
- Publication number
- CN2886056Y CN2886056Y CN 200620083577 CN200620083577U CN2886056Y CN 2886056 Y CN2886056 Y CN 2886056Y CN 200620083577 CN200620083577 CN 200620083577 CN 200620083577 U CN200620083577 U CN 200620083577U CN 2886056 Y CN2886056 Y CN 2886056Y
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- CN
- China
- Prior art keywords
- freezing pipe
- lobe
- freezing
- drilling rod
- clip
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- 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
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Abstract
An exclusive connector for a freezing pipe drill rod used in the freezing sinking or the substructure work construction, which is composed of a freezing pipe enclasping part, a drill connecting part and an elastic water seal gasket, wherein the freezing pipe enclasping part is composed of 2-5 split-plate clips and a big nut 2. An enclasping freezing pipe cylinder structure is spliced by the clips; tape threads 8 are provided on the surface of the clip and an antiskid groove 11 is provided on the inner surface; a finger 5 is provided on the back end of the clip, which is provided with a bolt or a pin mounting hole 12. The big nun 2 is socketed on the outer of the clip and engaged with the tape threads 8 on the surface of the clip; a locating jointing pieces 10 is provided on a circle of a round front-end of the drill connecting part 3; a scupper 6 is provided on an axes; a taper bore is provided on the center of the back end, the inner wall of which is provided with tape threads 9; the locating jointing pieces 10 clip the two sides of the finger 5 in pairs, and the bolt or pin mounting hole 12 corresponding to the finger 5 is provided. The connector is capable of jointing the ordinary drill rod and the freezing pipe which are used to connect a drill, and enables the two processes of drilling and putting the freezing pipe to be accomplished one time, thereby saves a lot of time and fits for the executing of the horizontal freezing project.
Description
Technical field
The utility model relates to pit shaft or the underground construction freezing process is dug block technology, particularly a kind ofly in the horizontal frozen engineering freezing pipe is directly made drilling rod and is connected the freezing pipe drilling rod special connector that uses with rig.
Background technology
Freezing process is to utilize the artificial cooling technology; water in the stratum is freezed, natural ground is become frozen soil, increase its intensity and stability; isolated underground water is got in touch with underground construction, so that carry out pit shaft or underground construction is dug the special construction technology of constructing of building under the protection of frost wall.Its essence is and utilize artificial cooling Iterim Change rock and soil properties with consolidating stratum.For reaching the purpose of freezing the soil body, in the stratum that needs freeze, accomplish fluently boring in advance, in boring, put into special-purpose freezing pipe, usually claim frigo, refrigerant agent circulates in frigo---salt solution or liquid nitrogen, take away the heat in the soil layer around the frigo in a large number, make the soil layer quick freezing, make and freeze the soil body and have characteristics such as antiseepage is high-strength.
At present, in the horizontal frozen engineering construction, drill the hole and boring put into freezing pipe in two steps operation finish.If can be connected with rig freezing pipe directly as drilling rod, making drills the hole and put into freezing pipe once finishes, and will save a step operation.But rig can not directly be connected with freezing pipe.
Summary of the invention
To drill in the existing level freezing engineering construction and put into freezing pipe in two steps but not one step completed deficiency in order to overcome in boring, the utility model provides a kind of freezing pipe drilling rod special connector, it can be connected the common drilling rod that connects rig with freezing pipe, make to hole and put into the freezing pipe two procedures and once finish.
The technical scheme that its technical problem that solves the utility model adopts is:
Freezing pipe drilling rod special connector mainly by freezing pipe hold part, rig coupling part tightly, elastic waterstop pad between the two constitutes.
Freezing pipe is held part tightly and is made of 2～5 lobe clevis sheets, big nuts.Each lobe clevis sheet amalgamation together, constitute and to hold tightly at the freezing pipe excircle and the cylinder-like structure of circumferential clearance is arranged.The external surface of each lobe clevis sheet has taper thread, and inner surface has radially and the hoop antiskid groove.The rear end of each lobe clevis sheet, promptly pusher dog is arranged, the installing hole of bolt or pin is arranged on the pusher dog by an end of rig coupling part.Big nut is sleeved on the cylinder-like structure of each lobe clevis sheet amalgamation, and its internal thread matches with the taper thread of each intermediate plate appearance.
The piece that is located by connecting on the circular front end circumference of rig coupling part, there is drain hole in its axle center, and there is taper hole at heart position, rear end, and the taper hole inwall has and the supporting taper thread of common drilling rod.The piece that is located by connecting of its front end is paired, and each is clipped in the both sides and the cooperation of pusher dog to the piece that is located by connecting.Be located by connecting installing hole with corresponding bolt of pusher dog or pin is arranged on the piece.The elastic waterstop pad is the circular gasket of band centre bore.
The technical scheme that its technical problem that solves the utility model adopts can also be:
The lobe clevis sheet number of freezing pipe drilling rod special connector adopts three of preferred values.
The beneficial effects of the utility model are:
1. this connector can be connected the common drilling rod that connects rig with freezing pipe, and making drills and put into freezing pipe two in boring goes on foot operation and once finish.That is it makes freezing pipe directly as drilling rod, by connecting the common drilling rod transmission of rig, is finished by freezing pipe and creeps into, and saves a step operation, saves the plenty of time.
2. simple in structure, easily manufactured, low cost of manufacture.
Description of drawings
Fig. 1: the assembling disassembly diagram of the utility model freezing pipe drilling rod special connector
Fig. 2: three lobe shapes of the present utility model are held the structural representation front view of intermediate plate tightly
The upward view of Fig. 3: Fig. 2
Fig. 4: the structural representation front view of rig of the present utility model coupling part
The upward view of Fig. 5: Fig. 4
Among the figure: 1-three lobe shapes are held intermediate plate, 2-big nut, 3-rig coupling part, 4-rubber sealing pad, 5-pusher dog, 6-drain hole, 7-big nut taper thread, 8-tightly and are held part taper thread, the supporting taper thread of 9-drilling rod, 10-tightly and be located by connecting piece, 11-radial loop to antiskid groove, 12-bolt or pin installing hole
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail:
The general structure of the utility model freezing pipe drilling rod special connector shown in Figure 1.It mainly by freezing pipe hold part, rig coupling part 3 tightly, rubber sealing pad 4 three parts between the two constitute.
Hold the structure of part tightly at freezing pipe shown in Fig. 1～3.This part is made up of three lobe clevis sheets 1 and hexagon big nut 2.So intermediate plate and this one are called three lobe clevis sheets 1 again, three lobe shape freezing pipes are held part tightly.1 amalgamation of three lobe clevis sheets constitutes and to hold between freezing pipe excircle, intermediate plate 1 circumferential clearance tightly greater than the cylinder-like structure of 10mm together.The external surface of three lobe clevis sheets 1 has taper thread 8.Big nut 2 is sleeved on the cylinder-like structure of intermediate plate 1 amalgamation, its internal thread, is taper thread 7, matches with the taper thread 8 of intermediate plate 1 appearance.The inner surface of three lobe clevis sheets 1 has antiskid groove 11 radially and hoop.The rear end of three lobe clevis sheets 1, promptly by an end of rig coupling part 3, have pusher dog 5.The installing hole 12 that supplies erection bolt or pin to use is arranged on the pusher dog 5.
Structure in rig coupling part 3 shown in Fig. 1,4,5.The main body of this part is the little cylinder of big, the latter half of diameter of a first half diameter.The piece 10 that is located by connecting on its front end, the big column excircle, there is the drain hole 6 of diameter greater than 5mm in its axle center, and there is taper hole in the centre, rear end, and the taper hole inwall has with common drilling rod and connects the taper thread 9 that cooperates.The piece 10 that is located by connecting of 3 front portions, rig coupling part is paired, and each is clipped in pusher dog 5 both sides, the corresponding matching of intermediate plate 1 to the piece 10 that is located by connecting.Be located by connecting the installing hole 12 of bolt or pin is also arranged on the piece 10.This installing hole 12 is corresponding with the installing hole 12 on the intermediate plate pusher dog 5, uses for the bolt or the pin that connect the two are installed.
At the rubber sealing pad 4 shown in Fig. 1 are elasticity circular gasket of band centre bore, and its thickness is greater than 2mm.Its center-hole diameter is greater than 5mm.
Operating principle and processing:
Three lobe shape freezing pipes are held part tightly by round steel turning, are divided into the discerptible intermediate plate 1 of three lobe shapes, and internal diameter is slightly larger than the freezing pipe as drilling rod, and inside diameter surface turning goes out circumferential groove and processes radial groove 11, skid in the freezing pipe drilling process preventing.
Three lobe shapes are held the part external surface car taper thread 8 that becomes to incline tightly, are cooperated by supporting with it hexagon big nut 2, can make three lobe shape drilling rods hold the part internal diameter tightly when nut screwing clamping and diminish, thereby freezing pipe is clamped.Big nut 2 is formed by carbon steel or alloy steel forging casting turning.
Rig coupling part 3 is processed by round steel turning.Go out taper thread 9 at car of connection rig and be used for being connected with common drilling rod, the bottom of thread gets out drain hole 6.
Three lobe shape drilling rods are held the pusher dog 5 of part and being located by connecting between the piece 10 of rig coupling part 3 tightly, are connected by bolt or pin.Folder one deck rubber sealing pad 4 between two parts.Freezing pipe withstands sealing pad 4 when creeping into, and prevents that clear water from leaking when boring is pressed into.Centre bore on the rubber sheet gasket 4 is used for draining.
In the freezing pipe drilling process, by following sequence delivery moment of torsion: rig---common drilling rod---rig coupling part---three lobe shape drilling rods are held part tightly---freezing pipe.
In addition to the implementation, freezing pipe is held the lobe clevis sheet of part tightly except adopting 3, also can select 2,4,5, serves as preferred with 3.
This connector uses this device to obtain good effect in Shanghai Underground M8 line Quyang way station～football station, Hongkou running tunnel service channel freezing engineering construction.
Claims (4)
1. a freezing pipe drilling rod special connector is characterized in that: comprise that freezing pipe is held tightly partly, rig coupling part (3), the elastic waterstop pad between the two;
Freezing pipe is held part tightly and is comprised 2～5 lobe clevis sheets, big nut (2); Each lobe clevis sheet amalgamation constitutes and to hold tightly at the freezing pipe excircle, the cylinder-like structure of circumferential clearance is arranged together; The external surface of each lobe clevis sheet has taper thread (8), and inner surface has radially and hoop antiskid groove (11); The rear end of each lobe clevis sheet, promptly pusher dog (5) is arranged, the installing hole (12) of bolt or pin is arranged on the pusher dog (5) by an end of rig coupling part (3); Big nut (2) is sleeved on the cylinder-like structure of each lobe clevis sheet amalgamation, and its internal thread is taper thread (7), matches with the taper thread (8) of each intermediate plate appearance;
The piece (10) that is located by connecting on the circular front end circumference of rig coupling part (3), there is drain hole (6) in its axle center, and there is taper hole in the centre, rear end, and the taper hole inwall has with common drilling rod and connects the taper thread (9) that cooperates; The piece that is located by connecting (10) of its front end is paired, and each is to being clipped in the both sides and the cooperation of pusher dog (5); Be located by connecting the installing hole of using with corresponding bolt of pusher dog (5) or pin (12) is arranged on the piece (10);
The elastic waterstop pad is the circular gasket of band centre bore.
2. freezing pipe drilling rod special connector according to claim 1 is characterized in that: said lobe clevis sheet is three, is called three lobe shape freezing pipes and holds intermediate plate (1) tightly.
3. freezing pipe drilling rod special connector according to claim 1 is characterized in that: said elastic waterstop pad is a rubber sealing pad (4), its thickness greater than 2mm, center-hole diameter greater than 5mm.
4. freezing pipe drilling rod special connector according to claim 2 is characterized in that: said three lobe clevis sheet (1) amalgamations constitute circumferential clearance between the intermediate plate (1) of cylinder-like structure together greater than 10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620083577 CN2886056Y (en) | 2006-04-30 | 2006-04-30 | Dedicated connector for frozen pipe drilling rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620083577 CN2886056Y (en) | 2006-04-30 | 2006-04-30 | Dedicated connector for frozen pipe drilling rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2886056Y true CN2886056Y (en) | 2007-04-04 |
Family
ID=37961146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620083577 Expired - Fee Related CN2886056Y (en) | 2006-04-30 | 2006-04-30 | Dedicated connector for frozen pipe drilling rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2886056Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888672A (en) * | 2014-09-02 | 2016-08-24 | 北京中煤矿山工程有限公司 | Inclined freezing hole external clamp type freezing tube lowering device |
-
2006
- 2006-04-30 CN CN 200620083577 patent/CN2886056Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105888672A (en) * | 2014-09-02 | 2016-08-24 | 北京中煤矿山工程有限公司 | Inclined freezing hole external clamp type freezing tube lowering device |
| CN105888672B (en) * | 2014-09-02 | 2018-07-27 | 北京中煤矿山工程有限公司 | Freeze pipe device under a kind of oblique freezing hole external clamping |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20120430 |