CN212774330U - Pipe joint sleeve centering structure - Google Patents
Pipe joint sleeve centering structure Download PDFInfo
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- CN212774330U CN212774330U CN202021806009.9U CN202021806009U CN212774330U CN 212774330 U CN212774330 U CN 212774330U CN 202021806009 U CN202021806009 U CN 202021806009U CN 212774330 U CN212774330 U CN 212774330U
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- steel sleeve
- sleeve
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Abstract
The utility model discloses a tube coupling sleeve centering structure, including steel sleeve and tube coupling structure spare, set up tube coupling centering structure spare along whole circumference or lower semicircle week in the anchor ring between steel sleeve and the tube coupling structure spare, the pipe coupling end of advancing of steel sleeve is equipped with the rolling pulley mechanism. The pipe joint centering structural part is a thin tenon centering part, and the thin tenon centering part is fixed on the outer wall of the pipe joint structural part along the whole circumference. The thin tenon centering pieces are symmetrically arranged on the upper semicircle and/or the lower semicircle of the outer wall of the pipe joint structural member, and are arc-shaped plates. The utility model improves the centering performance of the pipe joint structural member and the steel sleeve through the pipe joint centering structural member, and improves the pushing precision of the pipe joint structural member in the pushing process; meanwhile, the structural abrasion at the position of the steel sleeve portal is avoided, and the cord fabric rubber plate at the position of the steel sleeve portal is prevented from being damaged under pressure. The rolling pulley mechanism arranged at the pipe inlet joint end of the steel sleeve converts sliding friction of the pipe joint structural member in the installation process into rolling friction, reduces friction resistance, improves the pushing efficiency of the pipe joint structural member in the pushing process, and reduces the labor intensity of workers.
Description
Technical Field
The utility model relates to a contact passageway construction technical field especially indicates a pipe coupling sleeve centering structure.
Background
The communication channel is a channel which is arranged between two main tunnels (such as a subway tunnel, a highway tunnel, a pipe gallery or a deep-buried drainage tunnel) and is connected with the two main tunnels, the length is generally within 50 meters, and the communication channel plays roles in communication, drainage, overhaul, fire rescue and the like under the condition of about ten meters in most cases. Taking a subway tunnel or a highway tunnel as an example, if a whole main tunnel goes wrong, the pedestrian can transfer to another main tunnel through the contact channel, thereby greatly increasing the safety factor of the pedestrian.
During the construction of the mechanical connection channel, a steel sleeve is usually provided in the starting area to ensure the safe starting of the connection channel. In the prior art, in a shield method communication channel originating tunnel portal steel sleeve bearing structure of application number 201920086112.1, a pipe joint structural member is closely attached to the bottom of a steel sleeve in the propulsion process, so that the bottom of the steel sleeve is seriously abraded, a water stopping mechanism at the bottom of a tunnel portal is seriously damaged, and meanwhile, the leakage phenomenon occurs due to the overlarge gap between the upper part of the steel sleeve and the pipe joint structural member. Therefore, the centering performance of the pipe joint structural member and the steel sleeve needs to be ensured in the construction process of the mechanical method communication channel.
SUMMERY OF THE UTILITY MODEL
To not enough among the above-mentioned background art, the utility model provides a tube coupling sleeve centering structure to solve above-mentioned technical problem.
The technical scheme of the utility model is realized like this: a pipe joint sleeve centering structure comprises a pipe joint centering structural member which is arranged along the whole circumference or the lower half circumference of an annular surface between a steel sleeve and a pipe joint structural member, and a rolling pulley mechanism is arranged at the pipe joint inlet end of the steel sleeve.
The pipe joint centering structural part is a thin tenon centering part, and the thin tenon centering part is fixed on the outer wall of the pipe joint structural part along the whole circumference.
The thin tenon centering pieces are symmetrically arranged on the upper semicircle and/or the lower semicircle of the outer wall of the pipe joint structural member, the thin tenon centering pieces are arc-shaped plates, and the thickness of each arc-shaped plate is 8-12 mm; the length of the arc-shaped block plate is 150 mm-240 mm.
The pipe joint centering structural member is a longitudinal rib centering member, and the longitudinal rib centering member is fixed on the inner wall of the steel sleeve along the lower half circumference.
The longitudinal rib centering pieces are symmetrically arranged on the lower semicircle of the steel sleeve.
The pipe joint centering structural member is a thin tenon centering member and a longitudinal rib centering member, the thin tenon centering member is arranged on the outer wall of the pipe joint structural member, the longitudinal rib centering member is symmetrically arranged on the lower semicircle of the inner wall of the steel sleeve, and the thin tenon centering member is matched with the longitudinal rib centering member.
And a combined centering protrusion is arranged on the outer surface of the thin tenon centering piece, a combined centering mortise is arranged on the longitudinal rib centering piece, and the combined centering protrusion is matched with the combined centering mortise.
The rolling pulley mechanism comprises a fixed seat fixed at the front end of the steel sleeve, a fixed panel is arranged on the fixed seat, and a rolling pulley is arranged on the fixed panel.
The top surface of the fixed seat is higher than the lowest surface of the steel sleeve.
And the pipe joint structural member is provided with a grouting hole for injecting antifriction slurry to the middle of the steel sleeve and the pipe joint structural member.
The utility model improves the centering performance of the pipe joint structural member and the steel sleeve through the pipe joint centering structural member, and improves the pushing precision of the pipe joint structural member in the pushing process; meanwhile, the structural abrasion at the position of the steel sleeve portal is avoided, and the cord fabric rubber plate at the position of the steel sleeve portal is prevented from being damaged under pressure. The rolling pulley mechanism arranged at the pipe inlet joint end of the steel sleeve converts sliding friction of the pipe joint structural member in the installation process into rolling friction, reduces friction resistance, improves the pushing efficiency of the pipe joint structural member in the pushing process, and reduces the labor intensity of workers. The utility model discloses structural design is ingenious, and is good with current tube coupling structure spare and steel sleeve integration nature, improves the efficiency of construction greatly, has higher on-the-spot practicality.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.
Fig. 1 is a schematic view of the overall structure of the present invention in embodiment 1.
Fig. 2 is a schematic view of the overall structure of the present invention in embodiment 2.
Fig. 3 is a schematic view of the overall structure of the present invention in embodiment 3.
Fig. 4 is a schematic structural view of the thin tenon centering member in example 1.
FIG. 5 is a schematic view of the longitudinal rib centering member in example 2.
Fig. 6 is a schematic structural view of the thin tenon centering member in example 3.
FIG. 7 is a schematic view of the longitudinal rib centering member in example 3.
Fig. 8 is a schematic structural view of the rolling pulley mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1 and 4, in embodiment 1, a pipe joint sleeve centering structure includes a steel sleeve 1 and a pipe joint structural member 2 used in a connection channel construction process, pipe joint centering structural members are arranged in an annulus between the steel sleeve 1 and the pipe joint structural member 2 along a whole circumference or a lower half circumference, and the number of the pipe joint centering structural members is set as required; the pipe inlet joint end of the steel sleeve 1 is provided with a rolling pulley mechanism 7, the rolling pulley mechanism can be arranged on a trolley positioned at the front end of the steel sleeve and can also be directly fixed at the lower part of the front end of the steel sleeve, and the pipe joint structural member passes through the rolling pulley block when entering the steel sleeve, so that the friction resistance is further reduced, and the propelling effect of the pipe joint structural member is improved; improve the centering performance of the pipe joint structural part and the sleeve. As shown in fig. 8, the rolling pulley mechanism 7 includes a fixed seat 71 fixed to the front end of the steel sleeve 1; the fixing seat is a U-shaped box seat, a fixing panel 72 is fixedly arranged in the fixing seat 71, a rolling pulley 74 is arranged on the fixing panel 72, the rolling pulley can passively rotate on the fixing panel, sliding friction in the installation process of the pipe joint structural member is converted into rolling friction, and friction resistance is reduced. The bottom surface of the fixed panel 72 can also be in floating connection with the fixed seat 71 through a spring, and the fixed panel can move up and down in the U-shaped box seat under the action of the spring to play a role in buffering the pressure of the pipe joint structural member. The top surface of the fixing seat 71 is higher than the lowest surface of the interior of the steel sleeve 1 and is generally higher than the inner end surface of the bottom of the steel sleeve by 10-20 mm, so that the installation of the pipe section structural member is not influenced. And the pipe joint structural member 2 is provided with a grouting hole for injecting antifriction mud to the middle of the steel sleeve 1 and the pipe joint structural member 2, so that the sliding friction between the steel sleeve and the pipe joint structure is reduced.
Further, the pipe joint centering structural component is a thin tenon centering component 3, the thin tenon centering component 3 is fixed on the outer wall of the pipe joint structural component 2 along the whole circumference, and the thin tenon centering component is arranged in a prefabricated mode or other connection modes. The pipe joint centering structural part is a thin tenon centering part 3, and the thin tenon centering part 3 is fixed on the outer wall of the pipe joint structural part 2 along the whole circumference. The thin tenon centering parts 3 are symmetrically arranged on the upper semicircle and/or the lower semicircle of the outer wall of the pipe joint structural part 2, namely the thin tenon centering parts are symmetrically arranged on two sides of the outer wall of the pipe joint structural part 2 along the middle vertical plane, the thin tenon centering parts 3 are arc-shaped plates matched with the pipe joint structural part, and the thicknesses of the arc-shaped plates are 8-12 mm, preferably 10 mm; the length of the arc-shaped block plate is 150 mm-240 mm, preferably 200mm, and the thin tenon centering member is located between the steel sleeve 1 and the pipe joint structural member 2, so that the centering performance of the pipe joint structural member and the steel sleeve is improved.
Example 2: as shown in fig. 2 and 5, the pipe joint sleeve centering structure is a longitudinal rib centering member 4, and the longitudinal rib centering member 4 is fixed on the inner wall of the steel sleeve 1 along the lower half circumference. The top surface of the fixed seat 71 is higher than the longitudinal rib centering member located on the lowest surface, the longitudinal rib centering member is axially arranged on the inner wall of the steel sleeve, the longitudinal rib centering member 4 is symmetrically arranged on the lower semicircle of the steel sleeve 1, the lower semicircle of the steel sleeve bears the pipe joint structural member with the maximum pressure, and the friction between the pipe joint structural member and the steel sleeve is reduced during centering.
The other structure is the same as embodiment 1.
Example 3: as shown in fig. 3, 6 and 7, the pipe joint sleeve centering structure comprises a thin tenon centering member 3 and a longitudinal rib centering member 4, the thin tenon centering member 3 is arranged on the outer wall of the pipe joint structural member 2 along the circumferential direction of the pipe joint structural member 2, the longitudinal rib centering member 4 is symmetrically arranged on the lower semicircle of the inner wall of the steel sleeve 1, and the thin tenon centering member 3 is matched with the longitudinal rib centering member 4. Namely, be equipped with combination centering arch 5 on thin tenon centering piece 3's the surface, be equipped with combination centering tongue-and-groove 6 on the longitudinal rib centering piece 4, combination centering arch 5 cooperatees with combination centering tongue-and-groove 6, and during the cooperation state, combination centering arch 5 is located combination centering tongue-and-groove 6, plays the effect of location tube coupling structure spare, realizes quick accurate installation, guarantees centering performance and reduces the friction simultaneously.
The other structure is the same as embodiment 1.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a tube coupling sleeve centering structure which characterized in that: the pipe joint centering structure is arranged along the ring surface between the steel sleeve (1) and the pipe joint structure (2) in a whole circle or lower semi-circle distribution mode, and a rolling pulley mechanism (7) is arranged at the pipe joint inlet end of the steel sleeve (1).
2. The pipe section sleeve centering structure of claim 1, wherein: the pipe joint centering structural part is a thin tenon centering part (3), and the thin tenon centering part (3) is fixed on the outer wall of the pipe joint structural part (2) along the whole circumference.
3. The pipe section sleeve centering structure of claim 2, wherein: the thin tenon centering pieces (3) are symmetrically arranged on the upper semicircle and/or the lower semicircle of the outer wall of the pipe joint structural piece (2), the thin tenon centering pieces (3) are arc-shaped plates, and the thickness of each arc-shaped plate is 8-12 mm; the length of the arc-shaped block plate is 150 mm-240 mm.
4. The pipe section sleeve centering structure of claim 1, wherein: the pipe joint centering structural member is a longitudinal rib centering member (4), and the longitudinal rib centering member (4) is fixed on the inner wall of the steel sleeve (1) along the lower half circumference.
5. The pipe section sleeve centering structure of claim 4, wherein: the longitudinal rib centering pieces (4) are symmetrically arranged on the lower semicircle of the steel sleeve (1).
6. The pipe section sleeve centering structure of claim 1, wherein: the pipe joint centering structure is characterized in that the pipe joint centering structure is a thin tenon centering part (3) and a longitudinal rib centering part (4), the thin tenon centering part (3) is arranged on the outer wall of the pipe joint structure (2), the longitudinal rib centering part (4) is symmetrically arranged on the lower semicircle of the inner wall of the steel sleeve (1), and the thin tenon centering part (3) is matched with the longitudinal rib centering part (4).
7. The pipe section sleeve centering structure of claim 6, wherein: and a combined centering protrusion (5) is arranged on the outer surface of the thin tenon centering piece (3), a combined centering mortise (6) is arranged on the longitudinal rib centering piece (4), and the combined centering protrusion (5) is matched with the combined centering mortise (6).
8. The pipe joint sleeve centering structure according to any one of claims 1 to 7, wherein: the rolling pulley mechanism (7) comprises a fixed seat (71) fixed at the front end of the steel sleeve (1), a fixed panel (72) is arranged in the fixed seat (71), and a rolling pulley (74) is arranged on the fixed panel (72).
9. The pipe section sleeve centering structure of claim 8, wherein: the top surface of the fixed seat (71) is higher than the lowest surface of the steel sleeve (1).
10. A pipe section sleeve centering structure as claimed in claim 1 or 9, wherein: and a grouting hole for injecting antifriction slurry into the middle of the steel sleeve (1) and the pipe joint structural member (2) is formed in the pipe joint structural member (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806009.9U CN212774330U (en) | 2020-08-26 | 2020-08-26 | Pipe joint sleeve centering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021806009.9U CN212774330U (en) | 2020-08-26 | 2020-08-26 | Pipe joint sleeve centering structure |
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| CN212774330U true CN212774330U (en) | 2021-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021806009.9U Active CN212774330U (en) | 2020-08-26 | 2020-08-26 | Pipe joint sleeve centering structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941748A (en) * | 2022-05-31 | 2022-08-26 | 重庆中环建设有限公司 | Embedded steel pipe structure of pin-connected panel suitable for construction of compound annular section of jurisdiction push pipe |
-
2020
- 2020-08-26 CN CN202021806009.9U patent/CN212774330U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114941748A (en) * | 2022-05-31 | 2022-08-26 | 重庆中环建设有限公司 | Embedded steel pipe structure of pin-connected panel suitable for construction of compound annular section of jurisdiction push pipe |
| CN114941748B (en) * | 2022-05-31 | 2024-07-19 | 重庆中环建设有限公司 | Built-in steel pipe structure of pin-connected panel suitable for construction of compound annular section of jurisdiction top pipe |
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