Double rubber ring flexible joint power pipe jacking
By adopting a double rubber ring sealing structure and a steel frame design on the power jacking pipe, the problems of insufficient sealing performance and structural strength are solved, achieving efficient sealing and improved stability of the power jacking pipe.
Patent Information
- Application Number
- CN202423176144.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-23
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-23
AI Technical Summary
Existing power jacking pipes are inadequate in terms of sealing performance and structural strength, making it difficult to effectively prevent groundwater infiltration and withstand underground pressure.
It adopts a double rubber ring sealing structure and a steel frame design, including inner and outer sealing rubber rings, inner and outer steel rings and steel frame, to enhance sealing performance and structural strength.
It significantly improves the sealing performance and structural stability of power jacking pipes, ensuring the safety and stability of cables in underground environments.
Smart Images
Figure CN223613018U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric power pipe jacking technical field, concretely is a double rubber ring flexible joint electric power pipe jacking. BACKGROUND
[0002] Pipe jacking construction is a trenchless construction method, which is a pipe laying construction technology without or with less excavation. Pipe jacking construction is to overcome the friction between the electric power pipe jacking and the surrounding soil by means of the jacking force generated by the jacking equipment in the working pit, and to push the electric power pipe jacking into the soil according to the designed slope, and to transport the earth away. After a section of electric power pipe jacking is completed and pushed into the soil layer, the second section of pipe is lowered to continue jacking. The principle is to use the thrust of the main jacking cylinder and the pipe in the middle to push the tool pipe or the tunneling machine from the working pit through the soil layer to the receiving pit and hoist it up. The electric power pipe jacking is buried deep underground and needs to withstand a large pressure. The cable passes through the inside of the electric power pipe jacking, and the electric power pipe jacking also needs to have good sealing and waterproof performance. SUMMARY
[0003] The utility model solves the technical problem in the prior art, and provides a double rubber ring flexible joint electric power pipe jacking.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme:
[0005] A double rubber ring flexible joint electric power pipe jacking, including pipe body, lifting hole sleeve, grouting pipe and annular cable support steel sheet, the pipe body is the hollow concrete pipe, the both ends of the pipe body are socket end and spigot end respectively, the outside of the pipe body spigot end is provided with the annular groove of echelon shape, the inside of the annular groove is provided with two sealing rubber rings, the inside of the pipe body is provided with the reinforced frame, the both ends of the pipe body are provided with multiple inner ring anchor bars and multiple outer ring anchor bars, the middle part of the pipe body is provided with the lifting hole sleeve fixed on the reinforced frame, the inside of the lifting hole sleeve is used to form the notch for hoisting, the socket end of the pipe body is provided with the annular cable support steel sheet, the inside and outside of the socket end of the pipe body are provided with socket inner steel ring and socket outer steel ring respectively, the spigot end of the pipe body is provided with the grouting pipe, the inside and outside of the spigot end of the pipe body are provided with spigot inner steel ring and spigot outer steel ring respectively.
[0006] Further, the reinforced frame includes inner layer longitudinal reinforcement, outer layer longitudinal reinforcement, inner layer ring reinforcement, outer layer ring reinforcement and L-shaped reinforcing bar, the inside of the pipe body is evenly provided with multiple inner layer longitudinal reinforcement near the inner edge along the radial direction, the outside of multiple inner layer longitudinal reinforcement is evenly sleeved with multiple inner layer ring reinforcement, the inside of the pipe body is evenly provided with multiple outer layer longitudinal reinforcement near the outer edge along the radial direction, the outside of multiple outer layer longitudinal reinforcement is evenly sleeved with multiple outer layer ring reinforcement along the axial direction, the both ends of the pipe body are provided with multiple L-shaped reinforcing bars, multiple L-shaped reinforcing bars are fixedly connected with outer layer ring reinforcement and inner layer ring reinforcement, and form the reinforced frame as a whole.
[0007] Further, the support ends of the plurality of inner ring anchor bars are in contact with the inner steel ring of the socket and the inner steel ring of the spigot respectively, the support ends of the plurality of outer ring anchor bars are in contact with the outer steel ring of the socket and the inner steel ring of the socket respectively, and the embedded ends of the inner ring anchor bars and the outer ring anchor bars all penetrate the steel reinforcement frame and extend to the middle part of the pipe body.
[0008] Further, the outer edge of the outer steel ring of the socket extends to the outside of the socket end, and is used for connecting the spigot end of the next pipe body, the outer steel ring of the spigot is located on the inside of the stepped ring groove, and the inner steel ring of the spigot of the next pipe body is located on the inside of the inner steel ring of the socket of the previous pipe body after the two pipe bodies are connected.
[0009] Further, the outer edge of the inner steel ring of the socket is flush with the socket end of the pipe body, and the outer edges of the inner steel ring of the spigot and the outer steel ring of the spigot are flush with the spigot end of the pipe body.
[0010] Further, the outer side of the lifting hole sleeve is further provided with a reinforcing anchor bar.
[0011] The utility model discloses the above technical scheme compared with prior art has the following advantages:
[0012] The utility model discloses two sealing rubber rings are arranged in the stepped ring groove of the spigot end of the pipe body, realize double rubber ring sealing structure, improve the sealing performance of electric pipe jacking obviously, prevent the groundwater or other liquid from seeping into the pipe effectively, the steel reinforcement frame that is composed of inner layer longitudinal reinforcement, outer layer longitudinal reinforcement, inner layer ring reinforcement, outer layer ring reinforcement and L-shaped reinforcing rib is arranged in the pipe body, the overall structural strength of the pipe body is strengthened, can better bear the pressure of underground environment, improve the stability and safety of electric pipe jacking, through the setting of the inner steel ring of the socket, the outer steel ring of the socket, the inner steel ring of the spigot and the outer steel ring of the spigot, and the embedding of the inner ring anchor bar and the outer ring anchor bar, further strengthen the compression strength of the two ends of electric pipe jacking, improve the stability of electric pipe jacking.
[0013] The utility model will be described in detail below in combination with the drawings and examples. DRAWINGS
[0014] Figure 1 It is the axial whole sectional view of the utility model (omits the sealing rubber ring);
[0015] Figure 2 It is the axial single edge sectional view of the utility model;
[0016] Figure 3 It is Figure 2 The enlarged view of middle A;
[0017] Figure 4 It is the front view of the utility model (omits the sealing rubber ring).
[0018] The attached diagram lists the components represented by each number as follows:
[0019] 1. Pipe body; 2. Lifting hole sleeve; 3. Grouting pipe; 4. Annular cable bracket steel sheet; 5. Stepped annular groove; 6. Inner ring anchor bar; 7. Outer ring anchor bar; 8. Inner steel ring of socket; 9. Outer steel ring of socket; 10. Inner steel ring of spigot; 11. Outer steel ring of spigot; 12. Inner longitudinal reinforcement; 13. Outer longitudinal reinforcement; 14. Inner ring reinforcement; 15. Outer ring reinforcement; 16. L-shaped reinforcing bar; 17. Reinforcing anchor bar; 18. Sealing ring. Detailed Implementation
[0020] The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model.
[0021] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0022] like Figures 1-4 As shown, a double-rubber-ring flexible joint power jacking pipe includes a pipe body 1, a lifting hole sleeve 2, a grouting pipe 3, and an annular cable support steel plate 4. The pipe body 1 is a hollow concrete pipe, with a socket end and a spigot end at its two ends. A stepped annular groove 5 is formed on the outer side of the spigot end of the pipe body 1, and two sealing rubber rings 18 are provided on the inner side of the stepped annular groove 5. A steel reinforcement frame is provided inside the pipe body 1, and multiple inner ring anchor bars 6 and multiple... The outer ring anchor bar 7, the middle of the pipe body 1 is provided with a lifting hole sleeve 2 fixed on the steel frame, the inside of the lifting hole sleeve 2 is used to form a notch for lifting, the socket end of the pipe body 1 is provided with an annular cable bracket steel plate 4, the inner and outer sides of the socket end of the pipe body 1 are respectively provided with an inner steel ring 8 and an outer steel ring 9, the spigot end of the pipe body 1 is provided with a grouting pipe 3, the inner and outer sides of the spigot end of the pipe body 1 are respectively provided with an inner steel ring 10 and an outer steel ring 11.
[0023] As an implementation form, the reinforcing steel frame comprises inner longitudinal reinforcement 12, outer longitudinal reinforcement 13, inner ring reinforcement 14, outer ring reinforcement 15 and L-shaped reinforcing bar 16, a plurality of inner longitudinal reinforcement 12 are uniformly arranged in the radial direction near the inner edge of the pipe body 1, a plurality of inner ring reinforcement 14 are uniformly arranged outside the plurality of inner longitudinal reinforcement 12, a plurality of outer longitudinal reinforcement 13 are uniformly arranged in the radial direction near the outer edge of the pipe body 1, a plurality of outer ring reinforcement 15 are uniformly arranged outside the plurality of outer longitudinal reinforcement 13 in the axial direction, and a plurality of L-shaped reinforcing bars 16 are arranged at both ends of the pipe body 1, the plurality of L-shaped reinforcing bars 16 are fixedly connected with the outer ring reinforcement 15 and the inner ring reinforcement 14, and form a whole reinforcing steel frame.
[0024] As an implementation form, the supporting end of the plurality of inner ring anchor bars 6 is in contact with the inner steel ring 8 of the socket and the inner steel ring 10 of the spigot respectively, the supporting end of the plurality of outer ring anchor bars 7 is in contact with the outer steel ring 9 of the socket and the inner steel ring 8 of the socket respectively, and the embedding end of the inner ring anchor bar 6 and the outer ring anchor bar 7 penetrates the reinforcing steel frame and extends to the middle part of the pipe body 1.
[0025] As an implementation form, the outer edge of the outer steel ring 9 of the socket extends to the outside of the socket end, and is used for connecting the spigot end of the next pipe body 1, the outer steel ring 11 of the spigot is located in the inner side of the stepped ring groove 5, and the inner steel ring 10 of the spigot of the next pipe body 1 is located in the inner side of the inner steel ring 8 of the socket of the previous pipe body 1 after the two pipe bodies 1 are connected.
[0026] As an implementation form, the outer edge of the inner steel ring 8 of the socket is flush with the socket end of the pipe body 1, and the outer edges of the inner steel ring 10 of the spigot and the outer steel ring 11 of the spigot are flush with the spigot end of the pipe body 1.
[0027] As an implementation form, the outer side of the lifting hole sleeve 2 is further provided with a reinforcing anchor bar 17.
[0028] In the utility model, the grouting pipe 3 is closed at both ends after the pipe body 1 is cast.
[0029] The working process of the utility model is as follows: during construction, first, the spigot end of the first power pipe jacking is aligned with the jacking surface, then the first power pipe jacking is jacked into the soil through jacking machinery, then the spigot end of the second power pipe jacking is aligned with the socket end of the first power pipe jacking and jacked in, so that the spigot end of the second power pipe jacking is inserted into the socket end of the first power pipe jacking, the outer steel ring 9 of the socket of the first power pipe jacking is wrapped outside the inner steel ring 10 of the spigot of the second power pipe jacking and the two sealing rubber rings 18, the two sealing rubber rings 18 are in close contact with the outer steel ring 9 of the socket, waterproof is realized, and the subsequent power pipe jacking is jacked in according to the above method.
[0030] The above is an example of the best embodiment of the present application, wherein the parts not described in detail are common knowledge of those skilled in the art. The protection scope of the present application is subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present application is also within the protection scope of the present application.
Claims
1. A double rubber ring flexible joint power jacking pipe, characterized in that, The utility model provides a kind of concrete pipe, including pipe body (1), lifting hole sleeve pipe (2), grouting pipe (3) and annular cable support steel sheet (4), the pipe body (1) is hollow concrete pipe, the pipe body (1) both ends are socket end and spigot end respectively, the pipe body (1) spigot end outside is equipped with stepped ring groove (5), the stepped ring groove (5) inside is equipped with two sealing rubber ring (18), the pipe body (1) inside is equipped with reinforced frame, the pipe body (1) both ends are equipped with multiple inner ring anchor bar (6) and multiple outer ring anchor bar (7), the pipe body (1) middle part is equipped with lifting hole sleeve pipe (2) fixed on reinforced frame, the lifting hole sleeve pipe (2) inside is used to form the gap for hoisting, the pipe body (1) socket end is equipped with annular cable support steel sheet (4), the pipe body (1) socket end both sides are equipped with socket inner steel ring (8) and socket outer steel ring (9) respectively, the pipe body (1) spigot end is equipped with grouting pipe (3), the pipe body (1) spigot end both sides are equipped with spigot inner steel ring (10) and spigot outer steel ring (11) respectively.
2. A double rubber ring flexible joint power pipe according to claim 1, characterized in that, The reinforced frame includes inner layer longitudinal reinforcement (12), outer layer longitudinal reinforcement (13), inner layer ring reinforcement (14), outer layer ring reinforcement (15) and L-shaped reinforcing rib (16), the pipe body (1) is uniformly provided with multiple inner layer longitudinal reinforcement (12) near inner edge along radial direction inside, multiple the inner layer longitudinal reinforcement (12) outside is uniformly sleeved with multiple inner layer ring reinforcement (14), the pipe body (1) is uniformly provided with multiple outer layer longitudinal reinforcement (13) near outer edge along radial direction inside, multiple the outer layer longitudinal reinforcement (13) outside is uniformly sleeved with multiple outer layer ring reinforcement (15) along axial direction, the pipe body (1) both ends are equipped with multiple L-shaped reinforcing rib (16), multiple the L-shaped reinforcing rib (16) is fixedly connected with outer layer ring reinforcement (15) and inner layer ring reinforcement (14), forms reinforced frame whole.
3. A double rubber ring flexible joint electric force pipe according to claim 2, characterized in that, The support end of multiple the inner ring anchor bar (6) is in contact with socket inner steel ring (8) and spigot inner steel ring (10) respectively, the support end of multiple the outer ring anchor bar (7) is in contact with socket outer steel ring (9) and socket inner steel ring (8) respectively, the embedding end of the inner ring anchor bar (6) and outer ring anchor bar (7) all penetrate reinforced frame and extend to pipe body (1) middle part.
4. A double rubber ring flexible joint electric force pipe according to claim 3, characterized in that, The outer edge of the socket outer steel ring (9) extends to the outside of the socket end, and is used to connect the spigot end of the next pipe body (1), the spigot outer steel ring (11) is located inside the stepped ring groove (5), after the connection of the two pipe bodies (1), the spigot inner steel ring (10) of the next pipe body (1) is located inside the socket inner steel ring (8) of the previous pipe body (1).
5. A double rubber ring flexible joint electric force pipe according to claim 4, characterized in that, The outer edge of the socket inner steel ring (8) is flush with the socket end of the pipe body (1), and the outer edges of the spigot inner steel ring (10) and the spigot outer steel ring (11) are flush with the spigot end of the pipe body (1).
6. A double rubber ring flexible joint electric force pipe according to claim 1, characterized in that, The lifting hole sleeve pipe (2) is further provided with a reinforcing anchor (17) on the outside.