CN215367413U - Assembled inspection shaft - Google Patents

Assembled inspection shaft Download PDF

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Publication number
CN215367413U
CN215367413U CN202121823552.4U CN202121823552U CN215367413U CN 215367413 U CN215367413 U CN 215367413U CN 202121823552 U CN202121823552 U CN 202121823552U CN 215367413 U CN215367413 U CN 215367413U
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China
Prior art keywords
ring
pipeline
mounting
mounting ring
pipe
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CN202121823552.4U
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Chinese (zh)
Inventor
贾新阳
曹爱清
张井深
卢佳程
黄海龙
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Beijing Miyun Cement Products Co ltd
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Beijing Miyun Cement Products Co ltd
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Abstract

The application discloses assembled inspection shaft relates to municipal pipeline's technical field. The device comprises a pipe well and a pipeline which is arranged perpendicular to the pipe well, wherein a connecting pipe is communicated with the pipe well; the connecting pipe is coaxially and fixedly connected with a mounting ring; a matching ring which is matched and connected with the mounting ring is coaxially and fixedly connected with one end of the pipeline facing the connecting pipe; a plurality of mounting holes are arranged on the ring surface of the mounting ring at intervals; a plurality of connecting bolts penetrate through the ring surface of the matching ring and are respectively in corresponding threaded connection with the mounting holes; an elastic sealing ring is arranged between the mounting ring and the matching ring. This application will cooperate the ring to be connected fixedly with the collar through connecting bolt to press from both sides elastic seal circle tightly between collar and cooperation ring, both realized the high-speed joint of pipeline and tube well, press from both sides elastic seal circle tightly in the junction between pipeline and tube well again, elastic seal circle receives to take place to warp after the extrusion, with the sealed jam in gap of pipeline and tube well junction, has improved the sealing performance of inspection shaft junction greatly.

Description

Assembled inspection shaft
Technical Field
The application relates to the technical field of municipal administration pipeline, especially, relate to an assembled inspection shaft.
Background
The inspection well is used for maintaining power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. It is usually installed at the intersection of pipelines, turning, where the pipe diameter or slope changes, and at certain intervals on straight pipeline sections, and is convenient for regular inspection of the attached structures.
The existing inspection well mainly comprises a pipe well arranged along the vertical direction and a pipeline arranged along the horizontal direction and communicated with the pipe well; when the pipe well is connected with the pipeline, the pipeline is usually inserted into a reserved connecting port of the pipe well, and then sealing treatment is carried out on the connecting position between the pipe well and the pipeline; at present, the sealing treatment is mainly carried out by smearing cement mortar on the joint of a pipe well and a pipeline.
However, after long-time use, because water is continuously eroded on the cement mortar layer, cracks are easily generated at the joint between the pipe well and the pipeline, so that the inspection well is communicated with the external environment, and great property loss is easily caused.
With respect to the related art among the above, the inventors consider that there is a drawback that the sealing performance is poor.
SUMMERY OF THE UTILITY MODEL
In order to improve the sealing performance of the junction of the inspection well, the application provides a fabricated inspection well.
The application provides an assembled inspection shaft adopts following technical scheme:
an assembled inspection well comprises a pipe well and a pipeline which is perpendicular to the pipe well, wherein a connecting pipe is communicated with the pipe well and is arranged in the direction of the same axis as the pipeline;
one end of the connecting pipe, which is far away from the pipe well, is coaxially and fixedly connected with a mounting ring; one end of the pipeline facing the connecting pipe is coaxially and fixedly connected with a matching ring in matching connection with the mounting ring;
a plurality of mounting holes are formed in the ring surface of the mounting ring at intervals, and internal threads are arranged in the mounting holes; a plurality of connecting bolts penetrate through the ring surface of the matching ring and are respectively in corresponding threaded connection with the mounting holes;
an elastic sealing ring is arranged between the mounting ring and the matching ring, and after the mounting ring is fixedly connected with the matching ring, the elastic sealing ring is squeezed and clamped between the mounting ring and the matching ring.
Through adopting above-mentioned technical scheme, aim at the back with the cooperation ring with the collar, place elastic seal ring between collar and cooperation ring, relative rotation connecting bolt, make connecting bolt and mounting hole threaded connection, and then press from both sides elastic seal ring clamp to be fixed in between collar and the cooperation ring, both realize the high-speed joint of pipeline and tube well, and press from both sides elastic seal ring in the junction between pipeline and tube well, elastic seal ring receives to take place to warp after the extrusion, seal up the gap of pipeline and tube well junction, the sealing performance of inspection shaft junction has been improved greatly.
Preferably, a containing groove is formed in one end, facing the matching ring, of the mounting ring, the containing groove is communicated with the inner annular surface of the mounting ring, and the elastic sealing ring is embedded into the containing groove.
Through adopting above-mentioned technical scheme, in the elastic sealing circle embedding storage tank, the storage tank restricted the deformation direction of elastic sealing circle for elastic sealing circle is easier to the one side deformation with the cooperation ring contact, and then improves the compactness of elastic sealing circle and cooperation ring contact, makes elastic sealing circle inseparabler with the shutoff of inspection shaft junction.
Preferably, a guide mechanism is arranged between the mounting ring and the mating ring, and the guide mechanism is used for guiding the connecting bolts on the mounting ring to be respectively aligned and positioned with the mounting holes on the mating ring.
Through adopting above-mentioned technical scheme, set up guiding mechanism between collar and the cooperation ring, be convenient for guide a plurality of connecting bolt on the collar and cooperate a plurality of mounting holes on the ring to realize the location of aiming at fast, save the step of the adjustment collar position of rotating repeatedly, both reduced operating personnel's the amount of labour, improved the installation effectiveness again.
Preferably, the guide mechanism comprises two groups of guide assemblies arranged at intervals;
the guide assembly comprises a guide hole formed in the mounting ring, and the axis direction of the guide hole is parallel to the axis direction of the mounting ring;
the guide assembly further comprises a guide rod fixed on the matching ring and connected with the guide hole in a sliding mode, and the guide rod penetrates through the guide hole.
Through adopting above-mentioned technical scheme, when collar and cooperation ring were assembled, only needed to insert two guide bars respectively in the guiding hole of corresponding position department, collar and cooperation ring were located same axis this moment to a plurality of connecting bolt respectively with a plurality of mounting hole position one-to-one, realize the quick location of aiming at, and simple structure is convenient for operate.
Preferably, the guide rod is provided with an external thread, the guide rod is connected with a limiting nut in a threaded manner, and the limiting nut and one side of the mounting ring departing from the matching ring are abutted and compressed after the guide rod penetrates through the guide hole.
Through adopting above-mentioned technical scheme, threaded connection stop nut on the guide bar, the guide bar is after accomplishing the guiding orientation effect, rotates stop nut relatively and makes stop nut and collar conflict compress tightly, has further improved the joint strength of collar and cooperation ring.
Preferably, a splicing pipe is coaxially and fixedly connected in the pipeline and penetrates through one end of the pipeline;
one end of the insertion pipe, which is far away from the pipeline, is inserted into the connecting pipe, and the outer diameter of the insertion pipe is equal to the inner diameter of the connecting pipe.
By adopting the technical scheme, the inserting pipe is coaxially fixed in the pipeline and inserted into the connecting pipe, so that the sealing degree between the pipeline and the connecting pipe is further improved, and the sealing performance of the joint of the inspection well is enhanced.
Preferably, an auxiliary tensioning device is arranged between the mounting ring and the matching ring; the auxiliary tensioning device comprises two sets of tensioning assemblies, and the two sets of tensioning assemblies are respectively positioned on two sides of the mounting ring in the horizontal direction;
the tensioning assembly comprises a buckle fixed on the mounting ring and a lap joint fixed on the matching ring and matched and tensioned with the buckle.
By adopting the technical scheme, when the mounting ring and the matching ring are assembled, the matching ring is pushed towards the mounting ring, so that the matching ring is close to the mounting ring and clamps the elastic sealing ring between the mounting ring and the matching ring, then the lap joint piece is clamped on the buckle, the positions of the mounting ring and the matching ring are relatively fixed, then the elastic sealing ring is clamped and fixed between the mounting ring and the matching ring through the connecting bolt, and the mounting ring and the matching ring are fixed; set up supplementary straining device, effectively prevented that collar and cooperation ring from moving on the back of the body that the elasticity of elastic seal circle leads to because the in-process of connecting, make things convenient for operating personnel to install fast fixedly, both improved the installation effectiveness, reduced operating personnel's the amount of labour again.
Preferably, waterproof paint is sprayed on the joint of the pipeline and the pipe well.
By adopting the technical scheme, the waterproof paint is sprayed at the joint of the pipeline and the pipe well to form the waterproof paint layer, so that the joint of the pipeline and the pipe well is prevented from being corroded by water, and the sealing performance of the joint of the pipeline and the pipe well is further enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after the matching ring is aligned with the mounting ring, the elastic sealing ring is placed between the mounting ring and the matching ring, the connecting bolt is relatively rotated to enable the connecting bolt to be in threaded connection with the mounting hole, and then the elastic sealing ring is clamped and fixed between the mounting ring and the matching ring, so that the pipeline and the pipe well are quickly connected, the elastic sealing ring is clamped at the joint between the pipeline and the pipe well, the elastic sealing ring deforms after being extruded, a gap at the joint between the pipeline and the pipe well is sealed and blocked, and the sealing performance of the joint of the inspection well is greatly improved;
2. a guide mechanism is arranged between the mounting ring and the matching ring, so that the plurality of connecting bolts on the mounting ring and the plurality of mounting holes on the matching ring can be conveniently guided to realize quick alignment and positioning, the step of repeatedly rotating and adjusting the position of the mounting ring is omitted, the labor amount of operators is reduced, and the mounting efficiency is improved;
3. the inserting pipe is coaxially fixed in the pipeline and inserted into the connecting pipe, so that the sealing degree between the pipeline and the connecting pipe is further improved, and the sealing performance of the joint of the inspection well is enhanced.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to an embodiment of the present application.
Fig. 2 is a schematic sectional view showing a connection relationship between a mounting ring and a mating ring in the embodiment of the present application.
Fig. 3 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.
Description of reference numerals: 1. a pipe well; 11. a connecting port; 12. a connecting pipe; 13. a connecting bolt; 2. a pipeline; 21. inserting a pipe; 3. a mounting ring; 31. a containing groove; 32. mounting holes; 4. matching rings; 41. a mating hole; 5. an elastic sealing ring; 6. a guide assembly; 61. a guide bar; 62. a guide hole; 63. a limit nut; 7. a tension assembly; 71. buckling; 711. a first base plate; 712. a U-shaped card; 72. a lap joint; 721. a second base plate; 722. a cover is turned; 723. a lap ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a fabricated inspection well.
Examples
Referring to fig. 1, a fabricated manhole includes a pipe well 1 disposed in a vertical direction, and a pipe 2 disposed in a horizontal direction; a connecting port 11 is formed in the circumferential direction of the bottom of the pipe well 1, and the axial direction of the connecting port 11 is perpendicular to the axial direction of the pipe well 1; a connecting pipe 12 is coaxially and fixedly connected in the connecting port 11, and the connecting pipe 12 is communicated with the pipe well 1; one end of the connecting pipe 12, which is far away from the pipe well 1, is coaxially and fixedly connected with a mounting ring 3; a matching ring 4 which is matched and connected with the mounting ring 3 is coaxially and fixedly connected with one end of the pipeline 2 facing the connecting pipe 12; an elastic sealing ring 5 is arranged between the mounting ring 3 and the matching ring 4; after the mounting ring 3 is connected with the matching ring 4 in a matching mode, the elastic sealing ring 5 is clamped between the mounting ring 3 and the matching ring 4, and the sealing performance between the pipe well 1 and the pipeline 2 is enhanced.
The inner diameter of the mounting ring 3 is equal to the inner diameter of the connecting pipe 12, and the outer diameter of the mounting ring 3 is larger than the outer diameter of the connecting pipe 12; the outer diameter of the matching ring 4 is equal to that of the mounting ring 3, and the inner diameter of the matching ring 4 is equal to that of the connecting pipe 12 and that of the pipeline 2; one end of the mounting ring 3 facing the mating ring 4 is provided with a containing groove 31, the containing groove 31 is an annular groove, and the containing groove 31 is coaxially and fixedly connected with the mounting ring 3; the outer diameter of the accommodating groove 31 is smaller than that of the mounting ring 3, and the accommodating groove 31 is communicated with the inner annular surface of the mounting ring 3;
the elastic sealing ring 5 is a rubber ring, the inner annular surface of the elastic sealing ring 5 is a plane, the outer annular surface is an arc surface, the radian of the outer annular surface of the elastic sealing ring 5 is matched with the radian of the accommodating groove 31, and the elastic sealing ring 5 is embedded in the accommodating groove 31.
One end of the pipeline 2 facing the connecting pipe 12 is coaxially and fixedly connected with an inserting pipe 21, the inserting pipe 21 is communicated with the pipeline 2, and the outer diameter of the inserting pipe 21 is equal to the inner diameter of the pipeline 2; and a bayonet tube 21 is provided through the pipe 2 towards one end of the connecting tube 12.
A plurality of mounting holes 32 are formed on the ring surface of the mounting ring 3 at intervals, and the mounting holes 32 are threaded holes; a plurality of matching holes 41 are arranged on the ring surface of the matching ring 4 at intervals, and the positions of the matching holes 41 and the positions of the mounting holes 32 are arranged in a one-to-one correspondence manner; each fitting hole 41 is provided with a connecting bolt 13, and the connecting bolt 13 can be in threaded connection with the mounting hole 32 at the corresponding position.
When the pipeline 2 is assembled with the connecting pipe 12, the inserting pipe 21 sequentially penetrates through the elastic sealing ring 5 and the mounting ring 3 and then is inserted into the connecting pipe 12, the connecting pipe 12 and the pipeline 2 are relatively rotated to enable the positions of the mounting hole 32 to correspond to the positions of the matching holes 41, and then the pipeline 2 is pushed towards the direction of the connecting pipe 12 to enable the mounting ring 3 to be in close contact with the matching ring 4, so that the mounting ring 3 and the matching ring 4 are pre-fixed; the connecting bolt 13 penetrates through the matching hole 41, the connecting bolt 13 is relatively rotated to enable the connecting bolt 13 to be in threaded connection with the mounting hole 32, and after all the connecting bolts 13 are fixed, the mounting ring 3 and the matching ring 4 are completely fixed; before the mounting ring 3 and the matching ring 4 are completely fixed, acting force towards the direction of the connecting pipe 12 needs to be applied to the pipeline 2, so that the positions of the mounting ring 3 and the matching ring 4 are relatively fixed, and when the connecting bolt 13 is prevented from rotating, the connecting bolt 13 is prevented from being twisted off due to uneven stress on the mounting ring 3 and the matching ring 4; after the mounting ring 3 and the matching ring 4 are completely fixed, the elastic sealing ring 5 is clamped between the mounting ring 3 and the matching ring 4, and a gap between the pipeline 2 and the connecting pipe 12 is sealed and blocked through extrusion deformation.
Referring to fig. 2, in order to facilitate alignment of the mounting hole 32 and the mating hole 41, a guide mechanism is provided between the mounting ring 3 and the mating ring 4; the guide mechanism comprises two groups of guide assemblies 6, and the two groups of guide assemblies 6 are respectively positioned on two sides of the mounting ring 3 and the matching ring 4 in the vertical direction; the guide assembly 6 comprises a guide rod 61 fixed on the matching ring 4, the guide rod 61 is a threaded rod provided with an external thread, and the axial direction of the guide rod 61 is parallel to the axial direction of the pipeline 2; the guide assembly 6 further comprises a guide hole 62 formed in the mounting ring 3, and the guide hole 62 is arranged corresponding to the guide rod 61; the inner diameter of the guide hole 62 is equal to the outer diameter of the guide rod 61; a limit nut 63 is connected to the guide rod 61 through threads;
when the connecting pipe 12 and the pipeline 2 are assembled, the two guide rods 61 are respectively aligned and inserted into the corresponding guide holes 62, and at the moment, the mounting holes 32 on the mounting ring 3 correspond to the matching holes 41 on the matching ring 4 in position; the step of reversely rotating the pipeline 2 and the connecting pipe 12 is omitted, and the installation efficiency is greatly accelerated. Moreover, after the mounting ring 3 is tightly contacted with the matching ring 4, the limiting nut 63 is relatively rotated, so that the limiting nut 63 is pressed against one side of the mounting ring 3, which is far away from the matching ring 4, and the connecting strength between the mounting ring 3 and the matching ring 4 is further improved.
With reference to fig. 3 and 4, an auxiliary tensioning mechanism is further disposed between the mounting ring 3 and the matching ring 4, and the auxiliary tensioning mechanism includes two sets of tensioning assemblies 7 respectively located at two sides of the mounting ring 3 and the matching ring 4 in the horizontal direction; the tensioning assembly 7 comprises a buckle 71 fixed on the mounting ring 3 and also comprises a bridging piece 72 fixed on the mating ring 4 and matched and tensioned with the buckle 71; the buckle 71 is arranged corresponding to the position of the lapping piece 72;
the buckle 71 comprises a first bottom plate 711, and the first bottom plate 711 is fixed on the circumferential direction of the mounting ring 3; the buckle 71 further comprises a U-shaped clip 712 fixedly connected with the first bottom plate 711 towards one end of the mating ring 4, one free end of the U-shaped clip 712 is fixedly connected with the bottom plate, the opening direction of the U-shaped clip 712 is arranged back to the mating ring 4, and the axial direction of the U-shaped clip 712 is arranged along the vertical direction;
the bridge 72 comprises a second base plate 721 fixed to the mating ring 4, the second base plate 721 being positioned in correspondence with the first base plate 711; the second bottom plate 721 is rotatably connected with a flip 722 towards one side of the mounting ring 3, a clamping groove is formed in the second bottom plate 721, and when the flip 722 and the second bottom plate 721 are relatively rotated to a folded state, the flip 722 is clamped and fixed in the clamping groove and clamped with the second bottom plate 721; an overlapping ring 723 which is matched with the U-shaped card 712 to act is rotatably connected to one end of the turnover cover 722, which is far away from the mounting ring 3;
after the installation holes 32 and the matching holes 41 are aligned, the flip cover 722 is rotated back to the direction of the second bottom plate 721, at this time, the flip cover 722 is separated from the second bottom plate 721, the lapping ring 723 is placed on the first bottom plate 711, then, the flip cover 722 is rotated towards the direction of the second bottom plate 721, the lapping ring 723 moves towards the direction of the second bottom plate 721 on the first bottom plate 711, the lapping ring 723 is gradually tensioned after contacting with the U-shaped clamp 712, in this process, the pipeline 2 gradually approaches towards the direction of the connecting pipe 12 until the flip cover 722 is clamped and fixed with the second bottom plate 721, at this time, the positions of the installation ring 3 and the matching ring 4 are relatively fixed, and the pre-fixing of the installation ring 3 and the matching ring 4 is realized; convenient and fast has improved the installation effectiveness to reduce operating personnel's the amount of labour.
After the pipeline 2 and the pipe well 1 are assembled, waterproof paint is sprayed at the joint of the pipeline 2 and the pipe well 1 to form a waterproof paint layer, so that the joint of the pipeline 2 and the pipe well 1 is prevented from being rusted by water, and the sealing performance of the joint of the pipeline 2 and the pipe well 1 is further improved.
The implementation principle of the above embodiment is as follows:
when the pipeline 2 is assembled with the pipe well 1, the guide rod 61 is aligned and inserted into the guide hole 62, the insertion pipe 21 sequentially penetrates through the elastic sealing ring 5 and the mounting ring 3 and then is inserted into the connecting pipe 12, and then the pipeline 2 is pushed towards the direction of the connecting pipe 12, so that the mounting ring 3 is close to the matching ring 4; the turning cover 722 is rotated away from the direction of the second bottom plate 721 to overlap the overlapping ring 723 on the first bottom plate 711, and then the turning cover 722 is rotated towards the direction of the second bottom plate 721 to be clamped and fixed with the second bottom plate 721 in the clamping groove, at this time, the positions of the installation ring 3 and the matching ring 4 are fixed, and the pre-fixing of the installation ring 3 and the matching ring 4 is realized; rotate a plurality of connecting bolt 13 in proper order, make connecting bolt 13 and the mounting hole 32 threaded connection who corresponds position department, realize pipeline 2 and tube well 1's fixed connection to elastic sealing ring 5 presss from both sides tight gap department of being fixed in between pipeline 2 and the tube well 1, has improved the sealing performance of inspection shaft junction greatly.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An assembled manhole, comprising a tubular well (1), and a pipeline (2) arranged perpendicularly to the tubular well (1), characterized in that: the pipe well (1) is communicated with a connecting pipe (12), and the connecting pipe (12) and the pipeline (2) are arranged in the coaxial direction;
one end of the connecting pipe (12) departing from the pipe well (1) is coaxially and fixedly connected with a mounting ring (3); one end of the pipeline (2) facing the connecting pipe (12) is coaxially and fixedly connected with a matching ring (4) which is matched and connected with the mounting ring (3);
a plurality of mounting holes (32) are formed in the ring surface of the mounting ring (3) at intervals, and internal threads are arranged in the mounting holes (32); a plurality of connecting bolts (13) penetrate through the ring surface of the matching ring (4), and the connecting bolts (13) are respectively in corresponding threaded connection with the mounting holes (32);
an elastic sealing ring (5) is arranged between the mounting ring (3) and the matching ring (4), and after the mounting ring (3) is fixedly connected with the matching ring (4), the elastic sealing ring (5) is squeezed and clamped between the mounting ring (3) and the matching ring (4).
2. A fabricated manhole according to claim 1, wherein: a containing groove (31) is formed in one end, facing the matching ring (4), of the mounting ring (3), the containing groove (31) is communicated with the inner annular surface of the mounting ring (3), and the elastic sealing ring (5) is embedded into the containing groove (31).
3. A fabricated manhole according to claim 1, wherein: a guide mechanism is arranged between the mounting ring (3) and the mating ring (4), and is used for guiding a plurality of connecting bolts (13) on the mounting ring (3) to be respectively aligned and positioned with a plurality of mounting holes (32) on the mating ring (4) quickly.
4. A fabricated manhole according to claim 3, wherein: the guide mechanism comprises two groups of guide components (6) which are arranged at intervals;
the guide assembly (6) comprises a guide hole (62) formed in the mounting ring (3), and the axial direction of the guide hole (62) is parallel to the axial direction of the mounting ring (3);
the guide assembly (6) further comprises a guide rod (61) fixed on the matching ring (4) and connected with the guide hole (62) in a sliding mode, and the guide rod (61) penetrates through the guide hole (62) to be arranged.
5. A fabricated manhole according to claim 4, wherein: be provided with the external screw thread on guide bar (61), threaded connection has stop nut (63) on guide bar (61), and stop nut (63) and one side conflict that mounting ring (3) deviate from fit ring (4) are compressed tightly behind guide hole (62) is passed in guide bar (61).
6. A fabricated manhole according to claim 1, wherein: a plug pipe (21) is coaxially and fixedly connected in the pipeline (2), and the plug pipe (21) penetrates through one end of the pipeline (2);
one end of the insertion pipe (21) departing from the pipeline (2) is inserted into the connecting pipe (12), and the outer diameter of the insertion pipe (21) is equal to the inner diameter of the connecting pipe (12).
7. A fabricated manhole according to claim 1, wherein: an auxiliary tensioning device is arranged between the mounting ring (3) and the matching ring (4); the auxiliary tensioning device comprises two groups of tensioning assemblies (7), and the two groups of tensioning assemblies (7) are respectively positioned on two sides of the mounting ring (3) in the horizontal direction;
the tensioning assembly (7) comprises a buckle (71) fixed on the mounting ring (3) and a bridging piece (72) fixed on the matching ring (4) and matched and tensioned with the buckle (71).
8. A fabricated manhole according to claim 1, wherein: waterproof paint is sprayed on the joint of the pipeline (2) and the pipe well (1).
CN202121823552.4U 2021-08-05 2021-08-05 Assembled inspection shaft Active CN215367413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121823552.4U CN215367413U (en) 2021-08-05 2021-08-05 Assembled inspection shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121823552.4U CN215367413U (en) 2021-08-05 2021-08-05 Assembled inspection shaft

Publications (1)

Publication Number Publication Date
CN215367413U true CN215367413U (en) 2021-12-31

Family

ID=79615816

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121823552.4U Active CN215367413U (en) 2021-08-05 2021-08-05 Assembled inspection shaft

Country Status (1)

Country Link
CN (1) CN215367413U (en)

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