CN1789775A - A tapping saddle - Google Patents

Abstract

A tapping saddle has first and second parts adapted to fit around a mains pipe. A hinge mechanism permits relative movement of the first and second parts between an open state for fitting around a pipe and a closed state for securing the saddle to the pipe. This allows for the use of the tapping saddle in conditions where access to the pipe is limited. The first and second parts include means that the saddle can be secured in the closed state, and that the tapping saddle can be used in conjunction with a tapping mechanism.

Description

Tapping saddle

Technical field

The present invention relates to tapping saddle, i.e. carriage or support, its can be connected to a pipeline (being generally a person in charge) thus the outside provide a tie point for an arm.

Background technique

Tapping saddle generally comprises an annular valve jacket, and to be set in a person in charge, its opening that has a perforation is to allow to drill through the described person in charge's wall.Described annular valve jacket generally includes two semi-ring spares (for example seeing GB2,103,321) that tighten together around the described person in charge by bolt.The pipe that uses such tapping saddle requirement to be installed is easy to approaching effectively, to allow setter easily in the both sides of described tapping saddle valve jacket bolton mechanism of operation.Be easy under the approaching situation in that the described pipe of being installed is insufficient, for example, during when the recessed wall of described pipe or at subsurface, use the tapping saddle of the above-mentioned type to require the material around it is carried out a large amount of excavations, so that the operation of two bolton mechanisms of simultaneous adaptation.

Summary of the invention

According to the invention provides a kind of tapping saddle, comprising:

(a) first and second parts are suitable for around a pipe assembling;

(b) linkage is allowed the relative movement between the closed state that is fastened on around the open mode of pipe installation with described carriage on the described pipe of described first and second parts; And

(c) described first and second parts are fastened on device under the described closed state.

By a linkage being provided for two-part carriage, can greatly simplify the assembling of described carriage and pipe.Described carriage can be assembled under open mode on the pipe and with retention mechanism can approaching fully mode bring two parts into closed state.Only need a single retention mechanism, and it can position so that best accessibility to be provided.

For example, be responsible under the situation about partly being embedded in, described linkage can be at described persons in charge with operation (this place is hidden and unapproachable), and described retention mechanism is brought to the top of described pipe and be convenient to operate.On the contrary, the carriage of prior art generally has a pair of radially relative retention mechanism, both must be simultaneously fastened and when not going out an enough processing space clearly in the both sides of described pipe both relative difficult operate.

Preferably, described linkage is dismountable, and therefore described first and second parts can be separated from each other.

In a preferred embodiment, described linkage comprises two parts, and parts are provided on described first parts and another parts are provided on described second parts.

Preferably, one of them described hinge member comprises one L shaped, and another hinge member comprises a hole of admitting this part.

More preferably, each described first and second parts is semi-circular substantially and has a hinged end and free end, therefore described L shaped the hinged end from one of described parts suspends, and described hole is arranged on the hinged end of another parts, thereby when little by little inserting in the described hole,, the described free end that respectively passes through is closed up together by described L shaped quilt by one 90 degree arc.

Preferably, described securing means comprises a bolt fastening mechanism.

Preferably, each described first and second parts is provided with the apertured flanges that is used to admit described bolt fastening mechanism.

Described securing means can be in addition or is additionally comprised a snap device, or a spring-loaded retention mechanism.

For example, described hinge can be clamped on described carriage on the described person in charge by spring-loaded, if since the power of described spring or by a certain additional positioning device make described carriage fastened and can not around or rotate along described pipe.

Preferably, described tapping saddle also comprises the device that is used to set a distributary mechanism, thereby provides a tie point for an arm.

Preferably, in described first and second parts comprises a perforation perforate that is used to put a distributary mechanism.

Preferably, described perforation perforate comprises a groove, to admit the part of described distributary mechanism, makes described distributary mechanism flush with the internal surface of described tapping saddle.

Preferably, described tapping saddle also comprises a distributary mechanism, be used for the person in charge of a described carriage around its assembling shunted, described distributary mechanism is provided with a link that is used for connecting branch, is communicated with to form fluid between the described person in charge and described arm.

The present invention further provides the method that pipeline is shunted, may further comprise the steps:

(a) with piping layout between first and second parts of a tapping saddle, described carriage has linkage, allows the relative movement between the closed state that is fastened on around the open mode of pipeline assembling with carriage on the described pipeline of described first and second parts;

(b) described relatively second parts move to described closed state with described first parts from described open mode; And

(c) under described closed state, described first and second parts are tightened together.

Description of drawings

Below by with reference to the accompanying drawings, the present invention will be described in the mode of example.

Fig. 1 is the perspective view according to tapping saddle of the present invention;

Fig. 2 is the perspective view of tapping saddle shown in Figure 1, and distributary mechanism illustrates with decomposition view;

Fig. 3 is the enlarged perspective of two hinge members before connecting of tapping saddle shown in Figure 1;

Fig. 4 is positioned at the side view of open position at described carriage for linkage shown in Figure 3;

Fig. 5 is positioned at the side view of operating position at described carriage for linkage shown in Figure 3;

Fig. 6 is that tapping saddle shown in Figure 1 is installed to the perspective view on the person in charge.

Embodiment

With reference to Fig. 1 and 2, tapping saddle 1 comprises that a loop bracket valve jacket assembly 3 is to hold the person in charge's 100 (see figure 6)s, described valve jacket assembly comprises the upper body 2 of a basic semi-ring, it has a free end 5 and a hinged end 7, and the sub-body 4 of a basic semi-ring, it has free end 9 and hinged end 11.

The flange 6 of perforate is set on the free end 9 of the free end 5 of described upper body 2 and described sub-body 4.Described perforate flange 6 is used to accept a nut 8 and bolt 10.The hinged end 7 of described upper body 2 and the hinged end of described sub-body 4 11 form the parts of a dismantled and assembled hinge 12, and this hinge will be described further below.

Described upper body 2 comprises a through hole 14, and it leads to the internal surface 15 of described body 2 from the outside.The hexagonal groove 16 that an internal surface 15 that leads to described main body 2 is set in the end in described hole 14 makes described bolt head 58 flush with the internal surface 15 of described upper body 2, as shown in Figure 2 to admit the hexagon-head 58 of a remodeling bolt 52.

Fig. 1 and 2 represents the distributary mechanism 50 of a type known in this field, and it can use with tapping saddle according to the present invention, maybe can form the part according to tapping saddle of the present invention.This mechanism comprises a shunting link for two- part 51a and 51b, is used to admit an arm (not shown), a remodeling bolt 52 and a nut 54.Described remodeling bolt 52 comprises that a duct 56 of running through described bolt center line and outer wall from described bolt surface extend to the hole 60 (Fig. 1) of described inner duct 56.In use, by assembling described distributary mechanism 50 as shown in Figure 2, make described shunting link parts 51a and 51b be assembled in together, thereby form a shunting link 51, it uses nut 54 and bolt 52 to be installed on the described tapping saddle.Cutting tool (not shown) be disposed in the duct and forward by described duct 56 to drill through the wall of the pipe 100 that will be shunted.This instrument can bounce back then, and by described duct 56 and hole 60, forms fluid and be communicated with between described pipe 100 and described shunting link 51.

With reference to figure 3,4 and 5, can at length see described dismantled and assembled hinge 12 and operation thereof.L shaped connected member 20 stretches out from the hinged end 7 of upper body 2, and the free end 21 of these parts is substantially from the outstanding (see figure 2) of described carriage radially outward.These parts 20 are strengthened by a solid triangle abutment wall 22.

At the flange 24 at hinged end 11 places of described sub-body 3 equally from the described carriage outstanding (see figure 2) of radially outward basically.The hole 26 that is positioned on the described flange 24 is used to admit described connected member 20 and abutment wall 22.

In use, described sub-body 4 can slide into the position around the non-exposure pipeline section of the pipe 100 that will be shunted.Described then upper body 2 can be secured to described sub-body 4 by utilizing linkage 12.Described connected member 20 is hooked in the receiving opening 26, the described assembly of attaching loosely (Fig. 4) under opening state.Then can with described upper body 2 with the surface engagement of sheathed pipe 100.Described hinge is positioned at its closed state (Fig. 5) at this moment.Under this position, described perforate flange 6 is aligned (as Fig. 1 and 2), and allows this tapping saddle bolton.Dotted outline in Fig. 6 represents that described tapping saddle is from being opened to the transformation of closed state.

The front is mentioned, be restricted near the pipe that will be shunted or be difficult near the time, can bring huge difficulty and/or work load to setter.The application of the invention just can overcome this difficulty.It is come-at-able use this linkage to mean only needing an end of described tapping saddle, thereby fastening this carriage allows that one hand carries out bolton.

The invention is not restricted to embodiment described herein, it is not deviating under the scope of the present invention and can improve or revise.

Claims (14)

1. tapping saddle comprises:

(a) first and second parts are suitable for around a pipeline assembling;

(b) linkage is allowed the relative movement between the closed state that is fastened on around the open mode of piping erection with described carriage on the described pipeline of described first and second parts; And

(c) described first and second parts are fastened on device under the described closed state.

2. tapping saddle as claimed in claim 1, wherein said linkage is dismountable, thereby described first and second parts can be separated from each other.

3. tapping saddle as claimed in claim 1 or 2, wherein said linkage comprise two parts, and parts are arranged on described first parts, and another parts are arranged on described second parts.

4. tapping saddle as claimed in claim 3, one of wherein said hinge member comprise one L shaped, and another hinge member comprises that is admitted this hole of L shaped.

5. tapping saddle as claimed in claim 4, wherein each described first and second parts is semi-circular substantially and has hinged end and free end, thereby described L shaped the hinged end from one of described parts overhangs, and described hole is arranged in the described parts another hinged end, thereby by one 90 degree arc the free end of described parts is closed up together when described L shaped quilt little by little inserts in the described hole.

6. as the described tapping saddle of above-mentioned any one claim, wherein said securing means comprises a bolt fastening mechanism.

7. tapping saddle as claimed in claim 6, wherein each described first and second parts is provided with the apertured flanges that is used to accept described bolt fastening mechanism.

8. as any one described tapping saddle in the claim 1 to 5, wherein said securing means comprises a snap device

9. as any one described tapping saddle in the claim 1 to 5, wherein said securing means comprises a spring-loaded retention mechanism.

10. as the described tapping saddle of above-mentioned any one claim, wherein also comprise be used to set a distributary mechanism think arm provide a tie point device.

11. tapping saddle as claimed in claim 10, one of wherein said first and second parts comprise a perforation perforate that is used to install a distributary mechanism.

12. tapping saddle as claimed in claim 11, wherein said perforation perforate comprises a groove, in order to put the part of described distributary mechanism, makes described distributary mechanism flush with the internal surface of described tapping saddle.

13. as the described tapping saddle of above-mentioned any one claim, wherein also comprise a distributary mechanism, be used for to described carriage around the equipped person in charge shunt, described distributary mechanism is equipped with a pipe jointing part, is communicated with to form fluid between the described person in charge and described arm.

14. the method that pipeline is shunted may further comprise the steps:

(a) pipeline is provided between first and second parts of a tapping saddle, described carriage has linkage, allows the relative movement between the closed state that is fastened on around the equipped open mode of pipeline with carriage on the described pipe pipe of described first and second parts;

(b) described relatively second parts move to described closed state with described first parts from described open mode; And

(c) described first and second parts are tightened together under described closed state.

Images