CN203821574U - Integral type cutting and plugging device - Google Patents

Abstract

The utility model discloses an integral type cutting and plugging device, which comprises an inspection shaft base, a valve seat, a spherical crown tightly matched with the valve seat, and an eccentric rotating device, wherein an inspection shaft pipeline is arranged in the inspection shaft base; an opening of the inspection shaft pipeline is arranged on the surface of the inspection shaft base or is protruded out of the surface of the inspection shaft base; the valve seat is fixed on the opening of the inspection shaft pipeline; the eccentric rotating device comprises a drive transmission device, an eccentric main shaft and a main shaft bearing bracket; one end of the main shaft bearing bracket is fixedly connected with the valve seat; a bearing is arranged on the other end of the main shaft bearing bracket; the main shaft bearing bracket and the valve seat are formed into a whole; the output end of the drive transmission device is connected with the eccentric main shaft; the eccentric main shaft penetrates through the bearing so as to be connected with the spherical crown; the axis of a rotary shaft of the eccentric main shaft is not intersected with the center line of a runner. The eccentric rotating device drives the spherical crown, so that the inspection shaft pipeline is plugged; the bearing bracket and the valve seat are formed into a whole, so that under the condition that the inspection shaft base is settled, or the fit clearance of the spherical crown and the valve seat is larger, higher stability can be still maintained.

Description

Integral cutting and sealing device

technical field

The utility model relates to the technical field of drainage systems, in particular to an integral cutting and sealing device.

Background technique

At present, in the maintenance of inspection wells, the plugging is mainly to manually block the pipelines of inspection wells through cement and air bags. Due to the domestic drainage network, the flow rate is generally low and the natural water level in the pipelines is high. For flushing, the stored flushing water level needs to be much higher than the top of the pipe. However, the traditional plugging method is limited by the size of the plugging device, and the stored water level is limited, which makes it difficult to meet the water storage requirements, and at the same time requires a large amount of manual labor.

Utility model content

The utility model aims at the above-mentioned technical problems, and provides an integral cutting and sealing device, which can well solve the above-mentioned technical problems, reduce the amount of manual labor, and the sealing equipment is easy to operate and has good stability.

In order to achieve this purpose, the integrated cutting and sealing device designed by the utility model includes the inspection well foundation, the inspection well foundation is provided with the inspection well pipeline, and the nozzle of the inspection well pipeline is set on the surface of the inspection well foundation or protrudes from the surface of the inspection well foundation. The surface of the inspection well foundation is characterized in that: it also includes a valve seat, a spherical crown that can be closely matched with the valve seat and an eccentric rotation device; the valve seat is fixed on the nozzle of the inspection well pipeline; The main shaft and the main shaft bearing bracket; one end of the main shaft bearing bracket is fixedly connected with the valve seat, and the other end is provided with a bearing. The axis of the crown, the axis of rotation of the eccentric spindle, does not intersect the centerline of the runner.

The eccentric rotation device also includes an eccentric driven shaft and a driven shaft bearing bracket, one end of the driven shaft bearing bracket is fixedly connected to the valve seat, and the other end is provided with a bearing, and the driven shaft bearing bracket and the valve seat are integrated, The eccentric driven shaft passes through the bearing and connects the spherical cap, and the axis of the rotating shaft of the eccentric driven shaft does not intersect with the center line of the flow channel.

The main shaft bearing support includes a first main shaft support connecting rod and a second main shaft support connecting rod; one end of the first main shaft support connecting rod is fixedly connected to the valve seat, and the other end is fixedly connected to one end of the second main shaft support connecting rod, and the second main shaft support connecting rod is fixedly connected to the valve seat. The other end of the main shaft support connecting rod is provided with a bearing, and the first main shaft support connecting rod is perpendicular to the second main shaft support connecting rod.

The driven shaft bearing support includes a first driven shaft support connecting rod and a second driven shaft support connecting rod; one end of the first driven shaft support connecting rod is fixedly connected to the valve seat, and the other end is connected to the second driven shaft One end of the bracket connecting rod is fixedly connected, the other end of the second driven shaft bracket connecting rod is provided with a bearing, and the first driven shaft bracket connecting rod is perpendicular to the second driven shaft bracket connecting rod.

The driven shaft bearing bracket and the main shaft bearing bracket are symmetrically arranged on the inspection well foundation on both sides of the nozzle of the inspection well pipeline.

The eccentric driven shaft is connected with a driven shaft connecting rod, the eccentric main shaft is connected with a main shaft connecting rod, a supporting plate is connected between the driven shaft connecting rod and the main shaft connecting rod, and both ends of the supporting plate are fixedly connected with the spherical crown.

The beneficial effects of the utility model are: the eccentric rotating device drives the spherical crown, thereby realizing the sealing of the inspection well pipeline; In a larger case, it can still maintain high stability. The utility model has the advantages of simple structure, convenient operation and good practicability.

Description of drawings

Fig. 1 is the overall structure schematic diagram in the utility model;

Fig. 2 is a structural schematic diagram of the utility model when the spherical crown is closed;

Fig. 3 is a schematic diagram of the structure when the spherical crown is opened in the utility model;

Fig. 4 is the top view of overall structure in the utility model;

Among them, 1—inspection well foundation, 2—inspection well pipe, 3—valve seat, 4—spherical crown, 4.1—flat plate, 4.2—side plate, 5—drive transmission device, 6—eccentric main shaft, 7—main shaft bearing bracket, 7.1—Connecting rod of first main shaft support, 7.2—Connecting rod of second main shaft support, 8—Eccentric driven shaft, 9—Bearing support of driven shaft, 9.1—Connecting rod of first driven shaft support, 9.2—Second driven Shaft bracket connecting rod, 10—driven shaft connecting rod, 11—main shaft connecting rod, 12—support plate.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail;

The integral cutting and sealing device shown in Figure 1-4 includes inspection well foundation 1, inspection well foundation 1 is provided with inspection well pipeline 2, and the nozzle of inspection well pipeline 2 is opened on the surface or convex of inspection well foundation 1. For the surface of the inspection well foundation 1, it also includes a valve seat 3, a spherical crown 4 that can be closely matched with the valve seat 3 and an eccentric rotation device; the valve seat 3 is fixed on the nozzle of the inspection well pipeline 2; the eccentric rotation device includes a drive The transmission device 5, the eccentric main shaft 6 and the main shaft bearing bracket 7; one end of the main shaft bearing bracket 7 is fixedly connected with the valve seat 3, and the other end is provided with a bearing. The main shaft bearing bracket 7 and the valve seat 3 are integrated to drive the output of the transmission device 5 The end is connected with the eccentric main shaft 6, the eccentric main shaft 6 passes through the bearing and connects the spherical cap 4, and the axis of the rotating shaft of the eccentric main shaft 6 does not intersect with the center line of the runner. The valve seat 3 and the bearing bracket are welded as a whole, and are pre-embedded in the foundation 1 of the inspection well, which has good installation accuracy, can prevent the influence of foundation settlement on the fit size, and ensure good sealing, as shown in Figure 4 The eccentric structure increases the sealing force and effectively guarantees the use effect.

In the above technical solution, the eccentric rotation device also includes an eccentric driven shaft 8 and a driven shaft bearing bracket 9, one end of the driven shaft bearing bracket 9 is fixedly connected to the valve seat 3, and the other end is provided with a bearing, and the driven shaft The bearing bracket 9 is integral with the valve seat 3, the eccentric driven shaft 8 passes through the bearing and connects the ball cap 4, and the axis of the rotating shaft of the eccentric driven shaft 8 does not intersect the center line of the flow channel. The eccentric driven shaft 8 and the driven shaft bearing bracket 9 further ensure the stability of the rotation of the spherical cap 4, and the spherical cap 4 is evenly stressed, further increasing the stability of the structure.

In the above technical solution, the main shaft bearing bracket 7 includes a first main shaft support connecting rod 7.1 and a second main shaft support connecting rod 7.2; one end of the first main shaft support connecting rod 7.1 is fixedly connected to the valve seat 3, and the other end is connected to the second main shaft One end of the support connecting rod 7.2 is fixedly connected, the other end of the second main shaft support connecting rod 7.2 is provided with a bearing, and the first main shaft support connecting rod 7.1 is perpendicular to the second main shaft support connecting rod 7.2.

In the above technical solution, the driven shaft bearing bracket 9 includes a first driven shaft bracket connecting rod 9.1 and a second driven shaft bracket connecting rod 9.2; one end of the first driven shaft bracket connecting rod 9.1 is fixed to the valve seat 3 connection, the other end is fixedly connected with one end of the second driven shaft support connecting rod 9.2, the other end of the second driven shaft support connecting rod 9.2 is provided with a bearing, the first driven shaft support connecting rod 9.1 is connected with the second driven shaft Support connecting rod 9.2 is vertical.

In the above technical solution, the driven shaft bearing bracket 9 and the main shaft bearing bracket 7 are symmetrically arranged on the inspection well foundation 1 on both sides of the nozzle of the inspection well pipeline 2 . Through the symmetrically arranged bearing brackets, it is further ensured that the spherical crown 4 is evenly stressed and the sealing effect is ensured.

In the above technical solution, the eccentric driven shaft 8 is connected to the driven shaft connecting rod 10, the eccentric main shaft 6 is connected to the main shaft connecting rod 11, and the supporting plate 12 is connected between the driven shaft connecting rod 10 and the main shaft connecting rod 11, Both ends of the support plate 12 are fixedly connected with the spherical cap 4 . The two ends of the spherical crown 4 are connected with the support plate 12 by bolts, which is convenient for disassembly and assembly, and has good practicability.

The working process of the utility model is: the utility model has two functions of blocking and flushing. When it is necessary to block the inspection well pipeline 2, the driving transmission device 5 drives the eccentric main shaft 6 to rotate, and the eccentric main shaft 6 drives the spherical crown 4 and the eccentric driven shaft 8 to rotate synchronously until the spherical crown 4 is closely matched with the valve seat 3, To achieve the purpose of blocking; when the inspection well pipeline 2 needs to be flushed, the spherical crown 4 can be used to seal the inspection well pipeline 2 first, and when the water level is close to the full water level, the driving transmission device 5 is manually or mechanically controlled to drive the eccentric The main shaft 6 rotates, thereby driving the spherical crown 4 to open, and the flow rate of sewage in the inspection well pipeline 2 increases to realize the flushing of the inspection well pipeline 2. On this basis, a water level sensor can be set at the upstream water level of the inspection well pipeline 2. The driving transmission device 5 is controlled by the transmission signal of the water level sensor, thereby controlling the opening and closing of the spherical cap 4. When the water level reaches a certain amount, the spherical cap 4 is automatically opened to realize flushing of the inspection well pipeline 2. When the utility model realizes the flushing function, it has a good flushing effect on the pipeline full of water or the pipeline nearly full of water. The two ends of the main shaft connecting rod 11 and the eccentric main shaft 6 and the support plate 12 can be fixed by welding or bolts, and the two ends of the driven shaft connecting rod 10 and the eccentric driven shaft 8 and the support plate 12 can also be fixed by welding or bolts. Because the utility model adopts the eccentric shaft to rotate, the sealing force is increased, and the sealing effect is effectively improved. The bearing bracket and the valve seat 3 are integrated, and the foundation 1 of the inspection well settles, or the cooperation between the spherical crown 4 and the valve seat 3 In the case of a large gap, it can still maintain high stability. The utility model has the advantages of simple structure, convenient operation and good practicability.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any skilled person familiar with the art can easily think of changes within the technical scope disclosed in the utility model Or replacement, all should be covered within the scope of protection of the present utility model. Therefore, the protection scope of the present utility model should be determined by the protection scope defined in the claims.

Claims (6)

1. a monolithic cutting plugging device, comprise manhole basis (1), in manhole basis (1), be provided with manhole pipeline (2), the mouth of pipe of manhole pipeline (2) is opened in the surface on manhole basis (1) or protrudes from the surface of manhole basis (1), it is characterized in that: it also comprises valve seat (3), can with the close-fitting spherical crown of valve seat (3) (4) and eccentric rotating device; Valve seat (3) is fixed on the mouth of pipe of manhole pipeline (2); Eccentric rotating device comprises drive transmission (5), eccentric main axis (6) and main shaft bearing support (7); One end of main shaft bearing support (7) is fixedly connected with valve seat (3), the other end is provided with bearing, main shaft bearing support (7) is an entirety with valve seat (3), the output of drive transmission (5) connects eccentric main axis (6), eccentric main axis (6) connects spherical crown (4) through bearing, and the axis of axis of rotation and the center line of runner of eccentric main axis (6) are non-intersect.

2. a kind of monolithic cutting plugging device as claimed in claim 1, it is characterized in that: described eccentric rotating device also comprises eccentric-driven axle (8) and the driven shaft support of bearing (9), one end of the driven shaft support of bearing (9) is fixedly connected with valve seat (3), the other end is provided with bearing, and the driven shaft support of bearing (9) is an entirety with valve seat (3), eccentric-driven axle (8) connects spherical crown (4) through bearing, and the axis of axis of rotation and the center line of runner of eccentric-driven axle (8) are non-intersect.

3. a kind of monolithic cutting plugging device as claimed in claim 1, is characterized in that: described main shaft bearing support (7) comprises the first spindle carrier connecting rod (7.1) and the second spindle carrier connecting rod (7.2); One end of the first spindle carrier connecting rod (7.1) is fixedly connected with valve seat (3), the other end is fixedly connected with one end of the second spindle carrier connecting rod (7.2), the other end of the second spindle carrier connecting rod (7.2) is provided with bearing, and the first spindle carrier connecting rod (7.1) is vertical with the second spindle carrier connecting rod (7.2).

4. a kind of monolithic cutting plugging device as claimed in claim 2, is characterized in that: the described driven shaft support of bearing (9) comprises the first driven shaft rack rod (9.1) and the second driven shaft rack rod (9.2); One end of the first driven shaft rack rod (9.1) is fixedly connected with valve seat (3), the other end is fixedly connected with one end of the second driven shaft rack rod (9.2), the other end of the second driven shaft rack rod (9.2) is provided with bearing, and the first driven shaft rack rod (9.1) is vertical with the second driven shaft rack rod (9.2).

5. a kind of monolithic cutting plugging device as claimed in claim 2, is characterized in that: the described driven shaft support of bearing (9) and main shaft bearing support (7) are symmetricly set on the manhole basis (1) of both sides of the mouth of pipe of manhole pipeline (2).

6. a kind of monolithic cutting plugging device as claimed in claim 2, it is characterized in that: described eccentric-driven axle (8) is connected with driven shaft connecting rod (10), eccentric main axis (6) is connected with main shaft connecting rod (11), between driven shaft connecting rod (10) and main shaft connecting rod (11), be connected with gripper shoe (12), the two ends of gripper shoe (12) are fixedly connected with spherical crown (4).