CN214618148U - Intermediate relay of pipe jacking pipe joint - Google Patents
Intermediate relay of pipe jacking pipe joint Download PDFInfo
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- CN214618148U CN214618148U CN202120770006.2U CN202120770006U CN214618148U CN 214618148 U CN214618148 U CN 214618148U CN 202120770006 U CN202120770006 U CN 202120770006U CN 214618148 U CN214618148 U CN 214618148U
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Abstract
The utility model relates to the technical field of push bench, and discloses a pipe-jacking pipe joint relay room, which comprises a front shell, a rear shell, a relay oil cylinder and a sealing device; one end of the rear shell is arranged on the inner side of the front shell, the other end of the rear shell extends out of the front shell, and the front shell is connected with the rear shell in a sliding manner; the relay oil cylinder is arranged in the rear shell, and the output end of the relay oil cylinder is connected with the front shell to drive the front shell and the rear shell to slide relatively; sealing device includes seal receptacle and elastic sealing circle, seal receptacle and back casing fixed connection, and the seal receptacle is close to the procapsid and has seted up the seal groove on the surface, elastic sealing circle along sealed notch movable mounting in the seal groove, and demountable installation has the adjusting part who is used for adjusting the deformation volume of elastic sealing circle in the seal groove on the seal receptacle, and during locking, elastic sealing circle deformation to with seal groove interference fit. The utility model discloses can quick replacement elastic seal circle, can also adjust elastic seal circle's sealed degree at any time to prevent the inside seepage phenomenon that produces of tube coupling.
Description
Technical Field
The utility model relates to a push bench technical field, concretely relates to push pipe tube coupling is between.
Background
In long-distance pipe jacking construction, in order to reduce the jacking force born by the pipe jacking, an intermediate station is arranged at intervals. The existing relay generally comprises a front shell, a rear shell and a jack, wherein the front shell and the rear shell slide relatively, and the jack provides power for the sliding between the front shell and the rear shell, so that the relay can be pushed in a reciprocating telescopic manner. In order to prevent soil and water outside the pipeline and mud from entering the interior of the pipe joint, a sealing structure is usually arranged between the front shell and the rear shell for sealing.
However, in the conventional intermediate chamber, an elastic sealing ring is generally bonded on the outer side of the rear shell, and the elastic sealing ring is tightly contacted with the inner side of the front shell, so that the sealing effect is achieved. But the sealing degree of the elastic sealing ring in the sealing structure can not be adjusted after normal wear, and the elastic sealing ring is difficult to replace, so that a gap is generated between the front shell and the rear shell, the phenomenon of leakage inside the pipe joint is caused, and the construction is troublesome.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a push pipe tube coupling is between, can adjust the sealed degree of elasticity sealing washer at any time to prevent the inside seepage phenomenon that produces of tube coupling, can also quick replacement elasticity sealing washer, be favorable to the rapid processing percolating water problem.
(II) technical scheme
In order to solve the technical problem, the utility model provides a following technical scheme: a pipe-jacking pipe joint relay room comprises a front shell, a rear shell, a relay oil cylinder and a sealing device.
One end of the rear shell is arranged on the inner side of the front shell, the other end of the rear shell extends out of the front shell, and the front shell is connected with the rear shell in a sliding manner;
the relay oil cylinder is arranged in the rear shell, the output end of the relay oil cylinder is connected with the inner side of the front shell, and the relay oil cylinder drives the front shell and the rear shell to slide relatively;
sealing device includes seal receptacle and elastic sealing circle, seal receptacle and back casing fixed connection, and the seal receptacle is close to the procapsid and has seted up the seal groove on the surface, elastic sealing circle along seal groove notch movable mounting in the seal groove, and demountable installation has the adjusting part who is used for adjusting the deformation volume of elastic sealing circle in the seal groove on the seal receptacle, and during locking, elastic sealing circle deformation to with seal groove interference fit.
Further setting, aforementioned adjusting part is including keeping off ring and adjusting bolt, keeps off ring and seal receptacle swing joint, and adjusting bolt passes and keeps off ring threaded connection on the seal receptacle, and adjusting bolt is used for adjusting the seal receptacle and keeps off the clearance of ring, and the elastic seal circle is located the seal receptacle and keeps off between the ring.
So set up, adjusting part can be with the restriction of elastic seal circle in the seal groove, when will keeping off the ring and pull down from the seal receptacle, can take out elastic seal circle from the seal groove.
Further, the baffle ring is provided with an extrusion part at the position of the sealing groove, the extrusion part is movably inserted into the sealing groove, and when the adjusting bolt is locked in the locking direction, the extrusion part continuously extends into the sealing groove and extrudes the elastic sealing ring to deform.
So set up, can extrude the elasticity sealing washer through adjusting bolt of screwing, increase the deformation volume of elasticity sealing washer, increase the stagnant water effect.
Further, a connecting convex part is arranged on the sealing seat, and a connecting groove in clearance fit with the connecting convex part is formed in the baffle ring.
So set up, connect convex part and spread groove clearance fit, make things convenient for the location to keep off the hookup location of ring and seal receptacle, be convenient for will keep off the ring fast and install on the seal receptacle.
Further setting, one of the casing is close to the procapsid is served after aforesaid seal receptacle locates, and the seal receptacle is close to back casing one side and is equipped with the strengthening rib, strengthening rib bottom and the inboard fixed connection of back casing.
So set up, the strengthening rib is used for strengthening the joint strength of seal receptacle and back casing, when preventing sealing device casing slip afterwards, with the disconnection of being connected of back casing to influence sealed effect.
Further, the output end of the relay oil cylinder is provided with a buffer base plate, the buffer base plate is connected with the front shell, and the buffer base plate plays a role in buffering.
So set up, the impact force to the procapsid that the cushion pad can reduce the relay cylinder ejecting.
(III) advantageous effects
Compared with the prior art, the utility model provides a pair of pipe jacking pipe coupling relay possesses following beneficial effect:
1. the elastic sealing ring is movably arranged in the sealing groove along the notch of the sealing groove, and the elastic sealing ring is taken out of the sealing groove through the notch of the sealing groove, so that the seriously worn elastic sealing ring can be quickly replaced, the problem of water leakage can be quickly solved, and the jacking efficiency is improved;
2. when adjusting part locks, can make elastic seal circle deformation to with seal groove interference fit to make elastic seal circle can eliminate the clearance of procapsid and back casing, in order to prevent the inside seepage phenomenon that produces of coupling, then can adjust the deformation volume of elastic seal circle in the seal groove at any time through adjusting part, thereby eliminate the procapsid that elastic seal circle wearing and tearing caused and the clearance of back casing, need not often to change elastic seal circle, save the cost.
Drawings
Fig. 1 is a structural sectional view of the present invention.
Reference numerals: 1. a front housing; 2. a rear housing; 3. a relay cylinder; 31. a cushion plate; 32. a jack; 4. a sealing device; 41. a sealing seat; 411. a connecting projection; 412. reinforcing ribs; 42. an adjustment assembly; 421. a baffle ring; 4211. a pressing section; 4212. connecting grooves; 422. adjusting the bolt; 43. an elastic sealing ring; 44. sealing the groove.
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 creative work belong to the protection scope of the present invention.
Please refer to fig. 1, wherein fig. 1 is a cross-sectional view of the structure of the present invention.
The utility model provides a pair of push pipe tube coupling is between, including procapsid 1, back casing 2, relay cylinder 3 and sealing device 4.
One end of the rear shell 2 is arranged on the inner side of the front shell 1, the other end of the rear shell extends out of the front shell 1, the front shell 1 is connected with the rear shell 2 in a sliding mode, the front shell 1 is used for connecting a front pipe joint, the rear shell 2 is used for connecting a rear pipe joint, and therefore a relay is connected with two adjacent pipe joints through the front shell 1 and the rear shell 2;
the relay oil cylinder 3 is arranged in the rear shell 2, the output end of the relay oil cylinder 3 is connected with the inner side of the front shell 1, and the relay oil cylinder 3 provides power for sliding between the front shell 1 and the rear shell 2 to drive the front shell 1 and the rear shell 2 to slide relatively;
the sealing device 4 comprises a sealing seat 41 and an elastic sealing ring 43, the sealing seat 41 is welded with the rear shell 2, a sealing groove 44 is formed in the surface, close to the front shell 1, of the sealing seat 41, the elastic sealing ring 43 is movably arranged in the sealing groove 44 along the notch of the sealing groove 44, therefore, the elastic sealing ring 43 which is seriously abraded can be rapidly replaced by taking the elastic sealing ring 43 out of the sealing groove 44 through the notch of the sealing groove 44, the problem of water leakage can be rapidly solved, and the jacking efficiency is improved;
the seal holder 41 is detachably provided with an adjusting assembly 42 for adjusting the deformation of the elastic seal ring 43 in the seal groove 44, and during locking, the elastic seal ring 43 deforms to be in interference fit with the seal groove 44, so that the elastic seal ring 43 can eliminate the gap between the front shell 1 and the rear shell 2, and the leakage phenomenon is prevented from being generated in the pipe joint.
Therefore, the deformation amount of the elastic sealing ring 43 in the sealing groove 44 can be adjusted at any time through the adjusting assembly 42, so that the gap between the front shell 1 and the rear shell 2 caused by the abrasion of the elastic sealing ring 43 is eliminated, the elastic sealing ring does not need to be replaced frequently, and the cost is saved.
The adjusting assembly 42 includes a stopper ring 421 and an adjusting bolt 422, the stopper ring 421 is movably connected to the sealing seat 41, the adjusting bolt 422 passes through the stopper ring 421 and is screwed onto the sealing seat 41, the elastic sealing ring 43 is located between the sealing seat 41 and the stopper ring 421, and the adjusting bolt 422 is used for adjusting the gap between the sealing seat 41 and the stopper ring 421, so as to adjust the deformation amount of the elastic sealing ring 43 in the sealing groove 44. In this way, the adjustment unit 42 can restrict the elastic seal ring 43 in the seal groove 44, and when the rear housing 2 slides with respect to the front housing 1, the elastic seal ring 43 also slides along with the rear housing 2, so that the sealing effect is ensured, and when the stopper ring 421 is detached from the seal holder 41, the elastic seal ring 43 can be taken out from the seal groove 44.
The stop ring 421 has an extrusion portion 4211 at a position corresponding to the sealing groove 44, the extrusion portion 4211 is movably inserted into the sealing groove 44, and when the adjusting bolt 422 is locked in the locking direction, the extrusion portion 4211 continuously extends into the sealing groove 44 and extrudes the elastic sealing ring 43 to deform. Therefore, the elastic sealing ring 43 can be extruded by screwing the adjusting bolt 422, the deformation amount of the elastic sealing ring 43 is increased, and the water stopping effect is improved.
The cross section of the elastic sealing ring 43 is in a D shape, and the arc surface of the elastic sealing ring 43 is always in close contact with the inner side surface of the front shell 1, so that the sealing effect is achieved.
The material of the elastic sealing ring 43 is preferably fluororubber, which has good elasticity and high temperature resistance and is suitable for oil environments.
The sealing seat 41 is provided with a connecting convex part 411, the baffle ring 421 is provided with a connecting groove 4212 in clearance fit with the connecting convex part 411, so that the connecting convex part 411 is in clearance fit with the connecting groove 4212, the connecting position of the baffle ring 421 and the sealing seat 41 is convenient to position, and the baffle ring 421 is convenient to be installed on the sealing seat 41 quickly.
The sealing device 4 further comprises a steel backing plate which is used for filling the gap and increasing the tightness of the elastic sealing ring 43. Therefore, when the relay is located at the transition section from the curve to the straight line, one side is locally and intensively extruded in the jacking process, a water leakage phenomenon still exists in a gap at the position which is not extruded, and the steel base plate is placed in the gap at the position which is not extruded to increase the tightness of the elastic sealing ring 43.
The output end of the relay oil cylinder 3 is welded with a buffer backing plate 31, the buffer backing plate 31 is connected with the front shell 1, and the buffer backing plate 31 plays a role in buffering and reduces impact force of ejection of the relay oil cylinder 3 to the front shell 1.
The relay cylinder 3 is preferably a jack 32, the jack 32 is installed inside the rear case 2, and an extended end of the jack 32 is installed on the front case 1 through a cushion plate 31. In this way, when the jack 32 is pushed out, the rear housing 2 extends outwards relative to the front housing 1, and when the rear housing 2 is pushed back to the inside of the front housing 1 by external force, the rear housing 2 contracts inwards relative to the front housing 1, so as to drive the relay to be pushed back and forth in a telescopic manner.
In the specific construction process, firstly, the adjusting bolt 422 is screwed in to enable the baffle ring 421 and the sealing seat 41 to be matched and pressed on the elastic sealing ring 43, the elastic sealing ring 43 is limited in the sealing groove 44, and then the adjusting bolt 422 is screwed in to enable the elastic sealing ring 43 to be in interference fit with the sealing groove 44, so that the sealing effect is ensured; then, the jack 32 drives the relay to stretch and jack back and forth, and meanwhile, the elastic sealing ring 43 slides along with the rear shell 2 to prevent soil and water outside the pipeline from entering the pipe joint, so that the sealing effect is ensured; after the elastic sealing ring 43 is jacked for many times, the elastic sealing ring 43 and the inner side of the front shell 1 rub for many times to cause certain normal abrasion, and then the adjusting bolt 422 is screwed again to eliminate the clearance between the front shell 1 and the rear shell 2 caused by the abrasion of the elastic sealing ring 43; until the elastic sealing ring 43 is worn to the extent that the gap between the front shell 1 and the rear shell 2 cannot be eliminated by screwing the adjusting bolt 422, the adjusting bolt 422 is screwed out, the retaining ring 421 is detached from the sealing seat 41, the seriously worn elastic sealing ring 43 is taken out from the sealing groove 44, a new elastic sealing ring 43 is replaced, and finally the adjusting bolt 422 is screwed in to ensure that the retaining ring 421 is matched with the sealing seat 41 to limit the new elastic sealing ring 43 in the sealing groove 44, and the new elastic sealing ring 43 is in interference fit with the sealing groove 44. So, guarantee elastic seal 43 all the time with seal groove 44 interference fit, effectively prevent inside soil and water mud outside the pipeline from entering into the coupling, ensured the safety in the work progress.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A pipe-jacking pipe joint relay room is characterized by comprising a front shell (1), a rear shell (2), a relay oil cylinder (3) and a sealing device (4);
one end of the rear shell (2) is arranged on the inner side of the front shell (1), the other end of the rear shell extends out of the front shell (1), and the front shell (1) is connected with the rear shell (2) in a sliding manner;
the relay oil cylinder (3) is arranged in the rear shell (2), the output end of the relay oil cylinder (3) is connected with the inner side of the front shell (1), and the relay oil cylinder (3) drives the front shell (1) and the rear shell (2) to slide relatively;
sealing device (4) are including seal receptacle (41) and elastic sealing ring (43), seal receptacle (41) and back casing (2) fixed connection, and seal receptacle (41) are close to and have seted up seal groove (44) on the surface of procapsid (1), elastic sealing ring (43) are along seal groove (44) notch movable mounting in seal groove (44), and demountable installation has adjusting part (42) that are used for adjusting the deformation volume of elastic sealing ring (43) in seal groove (44) on seal receptacle (41), and during the locking, elastic sealing ring (43) deformation extremely with seal groove (44) interference fit.
2. The intermediate junction of the pipe jacking pipe joint as claimed in claim 1, wherein the adjusting assembly (42) comprises a baffle ring (421) and an adjusting bolt (422), the baffle ring (421) is movably connected with the sealing seat (41), the adjusting bolt (422) penetrates through the baffle ring (421) and is in threaded connection with the sealing seat (41), the adjusting bolt (422) is used for adjusting the gap between the sealing seat (41) and the baffle ring (421), and the elastic sealing ring (43) is located between the sealing seat (41) and the baffle ring (421).
3. The pipe-jacking pipe joint intermediate room according to claim 2, wherein the baffle ring (421) is provided with an extrusion part (4211) at a position opposite to the sealing groove (44), the extrusion part (4211) is movably inserted into the sealing groove (44), and when the adjusting bolt (422) is locked in the locking direction, the extrusion part (4211) continuously extends into the sealing groove (44) and extrudes the elastic sealing ring (43) to deform.
4. The intermediate junction of the pipe-jacking pipe joint as claimed in claim 3, wherein the sealing seat (41) is provided with a connecting convex portion (411), and the baffle ring (421) is provided with a connecting groove (4212) which is in clearance fit with the connecting convex portion (411).
5. The intermediate pipe-jacking joint according to claim 1, wherein the sealing seat (41) is arranged at one end of the rear shell (2) close to the front shell (1), one side of the sealing seat (41) close to the rear shell (2) is provided with a reinforcing rib (412), and the bottom of the reinforcing rib (412) is fixedly connected with the inner side of the rear shell (2).
6. The pipe-jacking pipe joint intermediate room according to claim 1, wherein the output end of the intermediate oil cylinder (3) is provided with a buffer backing plate (31), and the buffer backing plate (31) is connected with the front shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120770006.2U CN214618148U (en) | 2021-04-15 | 2021-04-15 | Intermediate relay of pipe jacking pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120770006.2U CN214618148U (en) | 2021-04-15 | 2021-04-15 | Intermediate relay of pipe jacking pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214618148U true CN214618148U (en) | 2021-11-05 |
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ID=78402821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120770006.2U Active CN214618148U (en) | 2021-04-15 | 2021-04-15 | Intermediate relay of pipe jacking pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214618148U (en) |
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2021
- 2021-04-15 CN CN202120770006.2U patent/CN214618148U/en active Active
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