Annular synchronous grouting distributor shell structure for pipe gallery construction equipment

Abstract

The invention discloses an annular synchronous grouting distributor shell structure for pipe gallery construction equipment, and relates to the field of grouting distributor shells, the annular synchronous grouting distributor shell structure comprises a distribution and supply part, the outer side of the distribution and supply part is in butt joint with a bearing butt joint part, and the bearing butt joint part is in nested butt joint along a protruding part on the outer side of the distribution and supply part; a grouting reserved pipe fitting is arranged on the outer side of the bearing butt joint piece, and annular grouting work is carried out through the grouting reserved pipe fitting. According to the annular synchronous grouting distributor shell structure for the pipe gallery construction equipment, the guiding and locking structure is arranged, the butt joint state between the distribution and supply component and the bearing butt joint piece is controlled in a self-adaptive mode through the guiding and locking structure, and the tedious defect that butt joint of a traditional annular grouting component is conducted through a fastening piece is overcome; and through the self-adaptive locking structure, the connecting structure between all the components is stable in the high-strength supply process, and the problem that leakage occurs to equipment due to looseness of individual fasteners is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grouting distributor shell, in particular to an annular synchronous grouting distributor shell structure for pipe gallery construction equipment. BACKGROUND

[0002] With the in-depth development and utilization of urban underground space, as the key carrier of intensive laying of municipal pipelines, the construction scale and technical requirements of comprehensive pipe gallery are increasingly improved. The annular synchronous grouting system is a special equipment designed to realize the core process. It can simultaneously inject grout along multiple points around the pipe piece while the shield machine is advancing. The core functional unit of the system is the grouting distributor shell, and the performance of the grouting distributor shell is directly related to the success or failure of the grouting process. For example, the patent with the announcement number CN223257044U is a four-plunger double-liquid synchronous grouting pump body structure, which includes an oil cylinder, a connecting box, and a plunger cylinder. The oil cylinder has first flanges at both ends, and the two ends of the oil cylinder are fixedly connected with the end covers of one end of the connecting box through the first flanges and fasteners. The other end of the connecting box is provided with a second flange, and each second flange is connected with two plunger cylinders. The outer sides of the two plunger cylinders are provided with a fixed plate, and the fixed plate is fixedly connected with the second flange through a plurality of horizontally arranged fasteners. The oil cylinder and the connecting box are connected and fixed through flanges and fasteners, and the connecting box and the plunger cylinder are also connected and fixed through flanges and fasteners. For example, the patent with the announcement number CN204098039U is a grouting distributor of a multi-channel reusable grouting pipe, which includes a valve body, a valve piece, and a connector. One end of the valve body is a connecting pipe, and the connecting pipe has multiple independent channels inside. The other end of the valve body is an open cavity, and the internal channels of the connecting pipe are in communication with the open cavity. The valve piece is installed in the open cavity, and the valve piece has a through hole in communication with one of the internal channels of the connecting pipe. The internal channel of the connector is in communication with one of the internal channels of the connecting pipe through the through hole of the valve piece. The inner wall of the open cavity is threaded, and the connector is screwed into the open cavity. For example, the patent with the announcement number CN220057968U is a double-liquid grouting material distributor, which includes a distribution main pipe connected with a conveying pipe, and a pressurizing mechanism matched with the distribution main pipe. Multiple distribution branch pipes are arranged along the length direction of the distribution main pipe, and the distribution branch pipes are connected with air inlet pipes. The pressurizing mechanism includes a pressurizing pump and a pressurizing main pipe connected with the output end of the pressurizing pump. The pressurizing main pipe is provided with a pressurizing main branch pipe connected with the conveying pipe at one end close to the pressurizing pump. Most of the above prior art improves the overall structure, and the existing annular synchronous grouting distributor shell structure is mostly connected by fasteners during work. In the high-intensity supply process, the connection structure between the parts is easy to loosen, and the equipment is prone to leakage due to the loosening of individual fasteners, thereby having certain use limitations. SUMMARY

[0003] The purpose of the present application is to provide an annular synchronous grouting distributor shell structure for pipe gallery construction equipment to solve the problem of the above background art that the connection of the annular grouting component is mostly connected by fasteners, and in the high-intensity supply process, the connection structure between the parts is easy to loosen, and the equipment is prone to leakage due to the loosening of individual fasteners, thereby having certain use limitations.

[0004] To achieve the above purpose, the present application provides the following technical scheme: an annular synchronous grouting distributor shell structure for pipe gallery construction equipment, comprising a distribution supply component, the outer side of the distribution supply component is connected to a bearing connector, and the bearing connector is nested and connected along the protruding part of the outer side of the distribution supply component, the outer side of the bearing connector is provided with a grouting reserved pipe component, and the annular grouting work is performed through the grouting reserved pipe component; the inner surface of the bearing connector is nested and installed with a resisting bearing component, the outer side of the resisting bearing component is fixedly connected with a connecting reserved component, and the connecting reserved component is nested and connected with the inner wall of the bearing connector, a first spring is fixedly connected between the lower end of the connecting reserved component and the inner wall of the bearing connector, a guide locking structure is provided between the distribution supply component and the bearing connector, and the connection state between the distribution supply component and the bearing connector is adaptively controlled through the guide locking structure.

[0005] Further, the guide locking structure is provided with a limiting locking component, the limiting locking component is nested and connected on the inner side of the bearing connector, a sealing ring structure is provided between the limiting locking component and the bearing connector, a second spring is fixedly connected between the outer side of the limiting locking component and the bearing connector, and the outer side of the limiting locking component and the connecting reserved component correspond to each other in position.

[0006] Further, a secondary locking component is nested and installed on the inner side of the end of the distribution supply component, the outer side of the secondary locking component is connected with an embedded reserved liquid bag component, the embedded reserved liquid bag component is connected with the inner side of the end of the distribution supply component, and the upper end of the secondary locking component and the limiting locking component correspond to each other in position; an annular closed liquid bag component is connected with the inner side of the end of the distribution supply component, and a supply hose is connected between the annular closed liquid bag component and the embedded reserved liquid bag component.

[0007] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0008] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0009] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0010] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0011] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0012] Further, the abutting carrier contacts the pushing force of the transmission supply fluid, drives the abutting reserved part along the inner side of the carrying abutting part, and the abutting reserved part vertically presses the limiting locking part of the abutting contact, and the limiting locking part moves to the inner end of the carrying abutting part to form a locking structure.

[0013] Compared with the prior art, the beneficial effects of the present application are: The annular synchronous grouting distributor shell structure for the pipe gallery construction equipment is provided with a guide locking structure, the docking state between the distribution supply component and the bearing butt joint component is adaptively controlled through the guide locking structure, the resisting bearing piece contacted with the high-strength fluid pushing force will drive the docking reserved piece to move along the inner side of the bearing butt joint component, the docking reserved piece will vertically press the limiting locking piece, and the limiting locking piece will move along with the force to form a self-locking structure with the inner side of the distribution supply component, avoiding the cumbersome drawbacks of the docking of the traditional annular grouting component through fasteners, through the adaptive locking structure, the connection structure between the components in the high-strength supply process is stable, avoiding the leakage problem of the equipment caused by the loosening of individual fasteners, and the practicability of the device is improved; Further, in the process of the limiting locking piece moving downward under stress to perform locking work, the lower end thereof will contact the secondary locking piece and the built-in reserved liquid capsule component, the continuously stressed secondary locking piece will move along the inner side of the end of the distribution supply component, thereby cooperating with the secondary locking piece to form secondary locking between the distribution supply component and the bearing butt joint component, realizing multiple locking processing without any fastening component state, ensuring the docking strength while making the later replacement and cleaning operation more convenient, and taking and disassembling at will; Further, with the built-in reserved liquid capsule component contacting the limiting locking piece and pressing it, the built-in reserved liquid capsule component will perform supply work inside the annular closed liquid capsule component through the supply hose, thereby allowing the annular closed liquid capsule component to perform close fitting processing along the closed docking place between the distribution supply component and the bearing butt joint component, ensuring the docking sealing type and strength; Further, a drainage moving structure is arranged, the supply state of the grouting amount inside the bearing butt joint component is regulated through the drainage moving structure, in the process of the resisting bearing piece contacting the fluid high-strength pushing force and moving, the fitting guide piece docked with the lower end thereof will move along the inner side of the bearing butt joint component, the built-in liquid capsule annular piece contacted by the fitting guide piece will be pressed, the built-in liquid capsule annular piece will supply the inside of the vertical corrugated liquid capsule piece through the supply docking pipe, thereby cooperating with the vertical corrugated liquid capsule piece to push the reserved ejection piece at the upper end to move vertically along the inner wall of the bearing butt joint component, and the reserved ejection piece moving vertically will form a resisting deformation movement along the inner side of the elastic bearing movable layer, thereby controlling the bearing annular range of the elastic bearing movable layer, realizing the fine adjustment of the supply range of the bearing butt joint component according to the flow strength, and avoiding the uneven fluid supply in the high-strength supply state. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the present application; Figure 2 It is a semi-partial three-dimensional structure schematic view of the present application; Figure 3 It is a semi-partial three-dimensional structure schematic view of the elastic bearing movable layer of the present application; Figure 4 Figure is a schematic diagram of the half cut perspective structure of the bearing butt joint of the present application; Figure 5 Figure is a schematic diagram of the half cut perspective structure of the bearing butt joint of the present application; Figure 4 Figure is a schematic diagram of the partial enlargement structure of the present application; Figure 6 Figure is a schematic diagram of the perspective structure of the limit locking piece of the present application; Figure 7 Figure is a schematic diagram of the perspective structure of the built-in liquid storage bag ring-shaped piece of the present application; Figure 8 Figure is a schematic diagram of the perspective structure of the butt joint resistance bearing piece of the present application; Figure 9 Figure is a schematic diagram of the half cut perspective structure of the distribution and supply component of the present application.

[0015] In the figure: 1, distribution and supply component; 2, bearing butt joint; 3, butt joint resistance bearing piece; 4, butt joint reserved piece; 5, first spring; 6, limit locking piece; 7, second spring; 8, secondary locking piece; 9, built-in reserved liquid bag component; 10, supply hose; 11, ring-shaped closed liquid bag component; 12, fit guiding piece; 13, built-in liquid storage bag ring-shaped piece; 14, supply butt joint pipe; 15, vertical corrugated liquid bag piece; 16, reserved ejection piece; 17, elastic bearing movable layer; 18, grouting reserved pipe piece. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0017] Embodiment one: please refer to Figures 1-9 The present application provides the following technical solutions: an annular synchronous grouting distributor shell structure for pipe gallery construction equipment, to solve the problem that the butt joint of the annular grouting component is mostly performed by the way of fastener butt joint, and the connection structure between the components is easy to loosen in the high-strength supply process, and the equipment is prone to leakage due to loosening of individual fasteners, which discloses a structure comprising: The utility model provides an allocation supply part 1, allocation supply part 1's outside butt joint has the bearing butt joint 2, and the bearing butt joint 2 is nested butt joint along the convex position of allocation supply part 1 outside, and the outside of bearing butt joint 2 is provided with grouting reservation pipe piece 18, and the annular grouting work is carried out through grouting reservation pipe piece 18, the inner surface of bearing butt joint 2 is nested and is installed with the resistance bearing 3, and the outside of resistance bearing 3 is fixedly connected with the butt joint reservation piece 4, and the butt joint reservation piece 4 is nested butt joint with the inner wall of bearing butt joint 2, and the first spring 5 is fixedly connected between the lower end of butt joint reservation piece 4 and the inner wall of bearing butt joint 2, and the guide locking structure is arranged between allocation supply part 1 and bearing butt joint 2, and the butt joint state between allocation supply part 1 and bearing butt joint 2 is adaptively controlled through guide locking structure.

[0018] The guide locking structure is provided with a limiting locking part 6, which is nested and connected to the inner side of the bearing connecting part 2, and a sealing ring structure is arranged between the limiting locking part 6 and the bearing connecting part 2, and the outer side of the limiting locking part 6 is fixedly connected with the second spring 7 between the bearing connecting part 2, and the outer side of the limiting locking part 6 and the connecting reserved part 4 correspond to each other, the end inner side of the dispensing and supplying part 1 is nested and installed with a secondary locking part 8, and the outer side of the secondary locking part 8 is connected with an internally reserved liquid tank part 9, and the internally reserved liquid tank part 9 and the end inner side of the dispensing and supplying part 1 correspond to each other, and the upper end of the secondary locking part 8 and the limiting locking part 6 correspond to each other; the end inner surface of the dispensing and supplying part 1 is bonded and connected with an annular closed liquid tank part 11, and the annular closed liquid tank part 11 is connected with the internally reserved liquid tank part 9 through a supplying hose 10; when the contact transmission supplying fluid pushing force of the bearing part 3, the connecting reserved part 4 is driven to move along the inner side of the bearing connecting part 2, and the limiting locking part 6 connected and contacted by the connecting reserved part 4 is vertically pressed, the limiting locking part 6 is moved to the inner side of the dispensing and supplying part 1 to form a locking structure, the secondary locking part 8 connected and contacted by the limiting locking part 6 is synchronously pressed during the downward movement of the limiting locking part 6, and the secondary locking part 8 is pressed to move along the inner side of the dispensing and supplying part 1 to be secondarily locked with the inner end of the bearing connecting part 2, the internally reserved liquid tank part 9 forms a supplying work inside the annular closed liquid tank part 11 through the supplying hose 10, and the annular closed liquid tank part 11 is closed and connected between the dispensing and supplying part 1 and the bearing connecting part 2, the internally supplied fluid of the equipment, the contact high-strength fluid pushing force of the bearing part 3 will drive the connecting reserved part 4 to move along the inner side of the bearing connecting part 2, and the limiting locking part 6 connected and contacted by the connecting reserved part 4 is vertically pressed, and the limiting locking part 6 will be forced to move to the inner side of the dispensing and supplying part 1 to form a self-locking structure, avoiding the complicated disadvantages of the traditional annular grouting part connected through fasteners, through the self-adaptive locking structure, the connection structure between the parts in the high-strength supplying process is stable, the lower end of the limiting locking part 6 will contact the secondary locking part 8 and the internally reserved liquid tank part 9 during the locking work of the downward movement of the limiting locking part 6 under the force, and the secondary locking part 8 under the continuous pressure will be pressed to move along the end inner side of the dispensing and supplying part 1, so as to form a secondary locking between the dispensing and supplying part 1 and the bearing connecting part 2 through the secondary locking part 8, realizing the multiple locking without any fastening part, ensuring the connection strength and making the later replacement and cleaning operation more convenient, taking and disassembling at will, when the internally reserved liquid tank part 9 contacts the limiting locking part 6 and is pressed, it will form a supplying work inside the annular closed liquid tank part 11 through the supplying hose 10, so that the annular closed liquid tank part 11 is closed and connected between the dispensing and supplying part 1 and the bearing connecting part 2, ensuring the connection sealing type and strength.

[0019] Example 2: Based on Example 1, a traffic generation activity structure is also disclosed, the specific structure of which is as follows: The inner wall of the bearing docking component 2 is provided with a flow-guiding movable structure, which regulates the supply state of the grouting volume inside the bearing docking component 2. The drainage structure includes a conforming guide 12, the outer side of which is abutted against the lower end of the bearing member 3. The conforming guide 12 is nested along the inner side of the bearing docking member 2. A sealing ring is provided between the conforming guide 12 and the bearing docking member 2. An internal reservoir annular member 13 is abutted to the inner side of the bearing docking member 2, and the internal reservoir annular member 13 is abutted against the outer side of the conforming guide 12. An elastic bearing active layer 17 is provided on the inner wall of the bearing docking member 2. The inner side of the active layer 17 has a reserved ejector 16, which is nested along the inner side of the bearing docking member 2. A vertical corrugated liquid bladder 15 is provided between the inner side of the bearing docking member 2 and the reserved ejector 16. A supply docking pipe 14 is connected between the vertical corrugated liquid bladder 15 and the built-in liquid bladder annular member 13. During the process of the bearing member 3 moving inward under force, the lower end of the fitting guide member 12 moves synchronously, and the fitting guide member 12 applies pressure to the contacted built-in liquid bladder annular member 13. The forming member 13 supplies fluid into the interior of the vertical corrugated liquid bladder member 15 through the supply connector 14, and the vertical corrugated liquid bladder member 15 pushes the upper reserved ejector member 16 to move vertically along the inner wall of the bearing connector 2. The vertically moving reserved ejector member 16 forms a resisting deformation along the inner side of the elastic bearing movable layer 17. During the process of the high-intensity pushing force displacement of the contact fluid with the bearing member 3, the fitting guide member 12 connected to its lower end will move synchronously along the inner side of the bearing connector 2, allowing the fitting guide member 12 to... Pressure is applied to the contacting built-in reservoir ring 13, causing it to supply the vertical corrugated reservoir 15 through the supply connector 14. This, in turn, pushes the upper reserved ejector 16 vertically along the inner wall of the bearing connector 2. The vertically moving reserved ejector 16 forms a resistive deformation along the inner side of the elastic bearing active layer 17, thereby controlling the bearing annular range of the elastic bearing active layer 17 and enabling fine adjustment of the supply range of the bearing connector 2 according to the flow intensity.

[0020] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0021] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A housing structure for a ring-shaped synchronous grouting distributor for pipe gallery construction equipment, comprising a distribution and supply component (1), wherein a bearing connection component (2) is connected to the outer side of the distribution and supply component (1), and the bearing connection component (2) is nested and connected along the protruding part on the outer side of the distribution and supply component (1), wherein a grouting pre-reserved pipe component (18) is provided on the outer side of the bearing connection component (2), and ring grouting is performed through the grouting pre-reserved pipe component (18); Its features are: The inner surface of the bearing docking part (2) is nested with a contact bearing part (3), and a docking reservation part (4) is fixedly connected to the outer side of the contact bearing part (3). The docking reservation part (4) is nested and docked with the inner wall of the bearing docking part (2). A first spring (5) is fixedly connected between the lower end of the docking reservation part (4) and the inner wall of the bearing docking part (2). A guide locking structure is provided between the distribution supply part (1) and the bearing docking part (2). The docking state between the distribution supply part (1) and the bearing docking part (2) is adaptively controlled by the guide locking structure.

2. The annular synchronous grouting distributor shell structure for pipe gallery construction equipment according to claim 1, characterized in that: The guide locking structure is provided with a limiting locking member (6), and the limiting locking member (6) is nested and docked inside the bearing docking member (2). A sealing ring structure is provided between the limiting locking member (6) and the bearing docking member (2). A second spring (7) is fixedly connected between the outer side of the limiting locking member (6) and the bearing docking member (2). The outer positions of the limiting locking member (6) and the docking reserved member (4) correspond to each other.

3. The annular synchronous grouting distributor shell structure for pipe gallery construction equipment according to claim 2, characterized in that: The inner side of the end of the distribution and supply component (1) is fitted with a secondary locking component (8), and the outer side of the secondary locking component (8) is connected to a built-in reserved liquid bladder component (9). The built-in reserved liquid bladder component (9) and the inner side of the end of the distribution and supply component (1) are connected to each other, and the upper end of the secondary locking component (8) and the position of the limiting locking component (6) correspond to each other. The inner surface of the end of the distribution supply component (1) is bonded with an annular closed liquid bladder component (11), and a supply hose (10) is connected between the annular closed liquid bladder component (11) and the built-in reserved liquid bladder component (9).

4. The annular synchronous grouting distributor shell structure for pipe gallery construction equipment according to claim 3, characterized in that: When the contact bearing member (3) contacts the driving force of the transmission supply fluid, it drives the docking reservation member (4) to move along the inner side of the bearing docking member (2), and the docking reservation member (4) applies vertical pressure to the contact limiting locking member (6). When the limiting locking member (6) moves to the inner side of the distribution supply member (1), it forms a locking structure.

5. The annular synchronous grouting distributor housing structure for pipe gallery construction equipment according to claim 4, characterized in that: During the downward movement of the limiting locking member (6), pressure is simultaneously applied to the contacting secondary locking member (8), and the secondary locking member (8) moves along the inner side of the distribution supply member (1) under pressure to the inner end of the bearing docking member (2) for secondary locking. The built-in reserved liquid bladder member (9) forms a supply operation to the inside of the annular closed liquid bladder member (11) through the supply hose (10), and the annular closed liquid bladder member (11) is fitted and sealed along the distribution supply member (1) and the bearing docking member (2).

6. The annular synchronous grouting distributor housing structure for pipe gallery construction equipment according to claim 3, characterized in that: The inner wall of the bearing docking component (2) is provided with a flow-guiding movable structure, which regulates the supply state of the grouting volume inside the bearing docking component (2). The drainage structure is provided with a fitting guide (12), and the outer side of the fitting guide (12) is connected to the lower end of the bearing member (3). The fitting guide (12) is nested and connected along the inner side of the bearing docking member (2). At the same time, a sealing ring structure is provided between the fitting guide (12) and the bearing docking member (2). The inner side of the bearing docking member (2) is connected to a built-in liquid storage bladder annular member (13), and the built-in liquid storage bladder annular member (13) is connected to the outer side of the fitting guide (12).

7. The annular synchronous grouting distributor housing structure for pipe gallery construction equipment according to claim 6, characterized in that: The inner wall of the bearing docking part (2) is provided with an elastic bearing movable layer (17), and the inner side of the elastic bearing movable layer (17) is connected to a reserved ejector (16), and the reserved ejector (16) is nested and connected along the inner side of the bearing docking part (2). A vertical corrugated liquid bladder (15) is provided between the inner side of the bearing docking part (2) and the reserved ejector (16), and a supply docking pipe (14) is connected between the vertical corrugated liquid bladder (15) and the built-in liquid storage bladder annular part (13).

8. The annular synchronous grouting distributor housing structure for pipe gallery construction equipment according to claim 7, characterized in that: During the process of the inward movement of the bearing member (3) under force, the lower end of the fitting guide member (12) moves synchronously, and the fitting guide member (12) applies pressure to the contacting internal reservoir ring member (13).

9. The annular synchronous grouting distributor housing structure for pipe gallery construction equipment according to claim 8, characterized in that: The built-in liquid storage ring (13) supplies the liquid to the interior of the vertical corrugated liquid bag (15) through the supply connector (14), and the vertical corrugated liquid bag (15) pushes the upper reserved ejector (16) to move vertically along the inner wall of the bearing connector (2), and the vertically moving reserved ejector (16) forms a resisting deformation along the inner side of the elastic bearing active layer (17).

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