Multi-stage synchronous jacking device for underground pipe jacking construction

By designing structures such as support frames and fixing slots, the problems of difficult disassembly of hydraulic cylinders and inability to monitor synchronization status are solved, enabling rapid disassembly of hydraulic cylinders and prevention of equipment eccentricity, thereby improving construction efficiency and equipment reliability.

CN223881187UActive Publication Date: 2026-02-06NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER
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Patent Information

Application Number
CN202520833651.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-02-06
Estimated Expiration
2035-04-29

AI Technical Summary

Technical Problem

In existing multi-stage synchronous jacking devices for underground pipe jacking construction, hydraulic cylinders are difficult to disassemble easily, and the synchronization status cannot be monitored in real time, leading to equipment overload and structural damage.

Method used

A device comprising a support frame, a fixing groove, a hydraulic cylinder, a baffle, a buckle, a connecting block, and a support rod is designed. The hydraulic cylinder can be quickly disassembled through the cooperation of the fixing groove and the buckle, and the equipment is prevented from being overloaded by the cooperation of the jacking plate and the limiting plate.

Benefits of technology

It enables convenient disassembly of hydraulic cylinders and real-time monitoring of their synchronous status, reducing equipment overload and improving construction efficiency and equipment lifespan.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multistage synchronous jacking device for underground pipe jacking construction, which relates to the technical field of multistage synchronous jacking and comprises a support frame, a fixing groove is arranged on one side of the support frame, a hydraulic cylinder is arranged in the fixing groove, the rear end of the hydraulic cylinder is in contact with a baffle, and the rear end of the hydraulic cylinder is in contact with the baffle. A supporting frame is fixedly connected to one side of the baffle, an oil pipe is arranged in the baffle, a fixing buckle is connected to one side of the supporting frame through a bearing, a clamping buckle is slidably connected to one side of the supporting frame, and one side of the clamping buckle makes contact with the end of the fixing buckle. Through the arrangement of the fixing grooves, the fixing buckles and the clamping buckles, the effect that the hydraulic cylinder can be rapidly disassembled is achieved, through the matched arrangement of the baffles and the limiting blocks, the front portion and the rear portion of the hydraulic cylinder can be blocked in the using process, and therefore the hydraulic cylinder is limited, and the purpose of conveniently disassembling the hydraulic cylinder is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to multistage synchronous jacking technology field, concretely for a kind of multistage synchronous jacking device for underground jacking pipe construction. BACKGROUND

[0002] Multistage synchronous jacking device is a kind of mechanical system for large-scale engineering (such as tunnel construction, pipeline laying, bridge construction etc.), and through the coordinated work of multistage hydraulic or mechanical driving unit, high-precision, high-load synchronous propulsion is realized.

[0003] At present, the multistage synchronous jacking device for underground jacking pipe construction in prior art is usually pushed by hydraulic structure, and during jacking, the hydraulic cylinder is synchronously telescoped, and the hydraulic cylinder is repeatedly used, so that part of the hydraulic cylinder cannot keep completely synchronized with other hydraulic cylinders due to various factors, and needs to be repaired, and the jacking device is not convenient to disassemble the hydraulic cylinder, which affects construction period, and there is a problem that the hydraulic cylinder cannot be conveniently disassembled, and the synchronization state of the hydraulic cylinder cannot be monitored in real time during jacking, and the pressure or speed of the hydraulic cylinder is not synchronized during jacking, which causes equipment unbalanced load or structure damage, and the hydraulic cylinder is not synchronized, which easily causes equipment unbalanced load. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of multistage synchronous jacking device for underground jacking pipe construction, solves the problems raised in the above background art.

[0006] (II) Technical scheme

[0007] To achieve the above object, the utility model is realized by the following technical scheme: including support frame, the one side of support frame is equipped with fixed slot, the inside of fixed slot is provided with hydraulic cylinder, the rear end of hydraulic cylinder is in contact with baffle, the one side of baffle is fixedly connected with support frame, the inside of baffle is provided with oil pipe;

[0008] The one side of support frame is connected with fixed buckle by bearing, the one side of support frame is connected with buckle by sliding, the one side of buckle is in contact with the end of fixed buckle, the one side of buckle is fixedly connected with connecting plate, the one side of support frame is fixedly connected with limiting block, the one side of limiting block is in contact with the fixed part of hydraulic cylinder;

[0009] The movable part of the hydraulic cylinder is fixedly connected with a connecting block, the end of the connecting block is in contact with a jacking plate, one side of the jacking plate is fixedly connected with a fixed block, the outer side of the connecting block is slidably connected with a sliding groove in the fixed block, one side of the movable part of the hydraulic cylinder is provided with a connecting hole, the connecting hole is inserted with a connecting screw rod, and the middle of the connecting screw rod is fixedly connected with a supporting rod.

[0010] Optionally, the fixed buckle and the fixed groove cooperate to tightly fix the hydraulic cylinder, the end of the oil pipe is connected with the hydraulic cylinder through the connecting head, and the oil pipe is connected with the plurality of hydraulic cylinders through a plurality of shunt pipes.

[0011] Optionally, the side of the buckle is provided with a sliding block matched with the sliding groove of the supporting frame, the sliding block of the buckle is a T-shaped sliding block, the fixed groove is a semicircular groove, and the fixed buckle is in a semicircular arc shape.

[0012] Optionally, the connecting screw rod and the supporting rod form a I-shaped connection, and the connecting screw rod and the supporting rod are connected with the movable parts of the plurality of hydraulic cylinders.

[0013] Optionally, the lower part of the supporting frame is provided with a supporting guide rail, the lower part of the supporting guide rail is provided with a skid, the upper part of the supporting guide rail is in contact with the jacking plate, and the jacking plate is inserted with a limiting plate.

[0014] Optionally, the lower part of the limiting plate is sleeved outside the supporting guide rail, the upper part of the limiting plate is fixedly connected with a movable plate, the middle part of the movable plate is inserted with a plug-in block, and the lower part of the plug-in block is fixedly connected with the jacking plate.

[0015] The utility model provides a multistage synchronous jacking device for underground jacking pipe construction has the following beneficial effects:

[0016] 1、 this multistate synchronous jacking device for underground jacking pipe construction, through the setting of fixed groove, fixed buckle, buckle, with the effect that the hydraulic cylinder can be quickly disassembled, through the cooperation of baffle and limiting block, the front and rear parts of the hydraulic cylinder can be blocked in the process of using, thereby play the role of limiting the hydraulic cylinder, reach the purpose of conveniently disassembling the hydraulic cylinder.

[0017] 2、 this multistate synchronous jacking device for underground jacking pipe construction, through the setting of jacking plate, connecting block, fixed block, connecting hole, connecting screw rod, supporting rod, with the effect of connecting the movable parts of multiple hydraulic cylinders, through the cooperation of plug-in block, movable plate and limiting plate, the limiting plate and supporting guide rail can be tightly fitted in the process of using, thereby play the role of preventing the jacking plate from tilting, reach the purpose of reducing the load deviation of the hydraulic cylinder equipment. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a structure schematic view of the utility model three-dimensional one;

[0019] Figure 2 It is a structure schematic view of the utility model three-dimensional two;

[0020] Figure 3 It is a structure schematic view of the utility model Figure 2 It is a structure schematic view of the utility model three-dimensional one;

[0021] Figure 4 It is a structure schematic view of the utility model connecting screw section;

[0022] Figure 5 It is a structure schematic view of the utility model top driving plate section;

[0023] Figure 6 It is a structure schematic view of the utility model hydraulic cylinder section.

[0024] In the figure: 1, support frame; 2, hydraulic cylinder; 3, fixed buckle; 4, buckle; 5, baffle; 6, oil pipe; 7, fixed groove; 8, connecting plate; 9, pad; 10, limiting block; 11, limiting plate; 12, support guide rail; 13, plug; 14, connecting screw; 15, movable plate; 16, support rod; 17, top driving plate; 18, connecting block; 19, fixed block; 20, connecting hole. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] EMBODIMENT

[0027] Please refer to Figures 1 to 6 The utility model provides technical scheme, including support frame 1, the one side of support frame 1 is seted up fixed groove 7, the inside of fixed groove 7 is provided with hydraulic cylinder 2, the rear end of hydraulic cylinder 2 is in contact with baffle 5, the one side of baffle 5 is fixedly connected with support frame 1, the inside of baffle 5 is provided with oil pipe 6.

[0028] Specifically, the inside of support frame 1 is provided with a synchronous monitoring module.

[0029] The one side of support frame 1 is connected with fixed buckle 3, the one side of support frame 1 is slidably connected with buckle 4, the one side of buckle 4 is in contact with the end of fixed buckle 3, the one side of buckle 4 is fixedly connected with connecting plate 8, the one side of support frame 1 is fixedly connected with limiting block 10, the one side of limiting block 10 is in contact with the fixed part of hydraulic cylinder 2.

[0030] Specifically, a chamfer is provided on the outer side of the buckle 4 near the fixing buckle 3.

[0031] A connecting block 18 is fixedly connected to a section of the movable part of the hydraulic cylinder 2. The end of the connecting block 18 contacts the actuating plate 17. A fixing block 19 is fixedly connected to one side of the actuating plate 17. A sliding groove inside the fixing block 19 is slidably connected to the outside of the connecting block 18. A connecting hole 20 is opened on one side of the movable part of the hydraulic cylinder 2. A connecting screw 14 is inserted into the connecting hole 20. A support rod 16 is fixedly connected to the middle of the connecting screw 14.

[0032] Specifically, the connecting block 18 and the fixed block 19 fit closely together, and the connecting screw 14 passes through the moving part of the hydraulic cylinder 2.

[0033] Please refer to Figure 1 to Figure 2 The fixing buckle 3 and the fixing groove 7 work together to tightly fix the hydraulic cylinder 2. The end of the oil pipe 6 is connected to the hydraulic cylinder 2 through the connector. The oil pipe 6 has multiple branch pipes that are connected to multiple hydraulic cylinders 2.

[0034] Specifically, the connector of the oil pipe 6 is connected to the hydraulic cylinder 2 via a thread.

[0035] Please see Figure 1 , Figure 6 The buckle 4 has a slider on one side that cooperates with the slide groove of the support frame 1. The slider of the buckle 4 is a T-shaped slider, the fixing groove 7 is a semi-circular groove, and the fixing buckle 3 is semi-circular.

[0036] Specifically, the slider of the buckle 4 fits closely with the groove of the support frame 1, the fixing groove 7 corresponds to the fixing buckle 3, and a support spring is provided between the slider of the buckle 4 and the groove of the support frame 1.

[0037] Please refer to Figure 5. The connecting screw 14 and the support rod 16 form an I-shaped connection, and the connecting screw 14 and the support rod 16 connect the moving parts of multiple hydraulic cylinders 2 to each other.

[0038] Specifically, the support rod 16 is located in the middle of the connecting screw 14.

[0039] Please refer to Figure 1 to Figure 2 The lower part of the support frame 1 is provided with a support guide rail 12, the lower part of the support guide rail 12 is provided with a pad 9, the upper part of the support guide rail 12 contacts the top plate 17, and the inside of the top plate 17 is connected with a limit plate 11.

[0040] Specifically, the lower part of the limiting plate 11 is provided with a groove that fits tightly with the support guide rail 12, and the contact position between the support guide rail 12 and the top plate 17 is arc-shaped.

[0041] Please refer to Figure 1 to Figure 2 ,Figure 5 The lower part of the limiting plate 11 is sleeved on the outer side of the supporting guide rail 12, the upper part of the limiting plate 11 is fixedly connected with the movable plate 15, the middle part of the movable plate 15 is inserted with the insertion block 13, and the lower part of the insertion block 13 is fixedly connected with the jacking plate 17.

[0042] Specifically, the insertion block 13 penetrates through the movable plate 15, the edge of the insertion block 13 is provided with a stop block, the stop block is connected with the inside of the insertion block 13 through a spring, and the lower part of the stop block is in contact with the movable plate 15.

[0043] When the hydraulic cylinder 2 is disassembled, the connecting head of the hydraulic cylinder 2 and the oil pipe 6 is separated, the connecting plate 8 is moved to drive the buckles 4 on both sides to move, the buckles 4 are separated from the fixed buckles 3, the fixed buckles 3 are lost, the hydraulic cylinder 2 can be moved into the fixed groove 7, through the setting of the fixed groove 7, the fixed buckles 3 and the buckles 4, the hydraulic cylinder 2 can be quickly disassembled, when installed, the hydraulic cylinder 2 is placed into the fixed groove 7, the rear part of the hydraulic cylinder 2 is supported by the baffle 5, the fixed part of the hydraulic cylinder 2 is limited by the limiting block 10 provided at the front part of the hydraulic cylinder 2, through the cooperation of the baffle 5 and the limiting block 10, the front and rear parts of the hydraulic cylinder 2 can be blocked in the process of use, thereby limiting the hydraulic cylinder 2, achieving the purpose of conveniently disassembling the hydraulic cylinder 2.

[0044] When the hydraulic cylinder 2 is installed, the movable part of the hydraulic cylinder 2 is inserted with the connecting screw rod 14, the connecting screw rod 14 is fixed by a nut, the movable parts of the hydraulic cylinders 2 on the same horizontal plane are connected, the two connecting screw rods 14 are connected by the supporting rod 16, the connecting block 18 provided at the end of the hydraulic cylinder 2 is slid into the fixed block 19, so that the hydraulic cylinder 2 is connected with the jacking plate 17, through the setting of the jacking plate 17, the connecting block 18, the fixed block 19, the connecting hole 20, the connecting screw rod 14 and the supporting rod 16, the movable parts of the multiple hydraulic cylinders 2 are connected, the lower part of the jacking plate 17 is inserted into the limiting plate 11, the limiting plate 11 is sleeved on the supporting guide rail 12, and the limiting plate 11 is closely fitted with the supporting guide rail 12, the movable plate 15 at the upper part of the limiting plate 11 is connected with the jacking plate 17 through the insertion block 13, through the cooperation of the insertion block 13, the movable plate 15 and the limiting plate 11, the limiting plate 11 and the supporting guide rail 12 are closely fitted in the process of use, thereby preventing the jacking plate 17 from tilting, achieving the purpose of reducing the equipment load of the hydraulic cylinder 2.

[0045] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A multi-stage synchronous jacking device for underground pipe jacking construction, comprising a support frame (1), characterized in that: One side of the support frame (1) is provided with a fixed groove (7), the inside of the fixed groove (7) is provided with a hydraulic cylinder (2), the rear end of the hydraulic cylinder (2) is in contact with the baffle (5), one side of the baffle (5) is fixedly connected with the support frame (1), the inside of the baffle (5) is provided with an oil pipe (6); One side of the support frame (1) is rotatably connected with a fixed buckle (3), one side of the support frame (1) is slidably connected with a buckle (4), one side of the buckle (4) is in contact with the end of the fixed buckle (3), one side of the buckle (4) is fixedly connected with a connecting plate (8), one side of the support frame (1) is fixedly connected with a limiting block (10), one side of the limiting block (10) is in contact with the fixed part of the hydraulic cylinder (2); One side of the movable part of the hydraulic cylinder (2) is fixedly connected with a connecting block (18), the end of the connecting block (18) is in contact with the knock plate (17), one side of the knock plate (17) is fixedly connected with a fixed block (19), the outer side of the connecting block (18) is slidably connected with a sliding groove in the fixed block (19), one side of the movable part of the hydraulic cylinder (2) is provided with a connecting hole (20), the connecting hole (20) is inserted with a connecting screw rod (14), the middle of the connecting screw rod (14) is fixedly connected with a support rod (16).

2. The multi-stage synchronous jacking device for underground pipe jacking construction according to claim 1, characterized in that: The fixed buckle (3) and the fixed groove (7) cooperate to tightly fix the hydraulic cylinder (2), the end of the oil pipe (6) is connected with the hydraulic cylinder (2) through a connector, and the oil pipe (6) has a plurality of shunt pipes connected with a plurality of hydraulic cylinders (2).

3. The multi-stage synchronous jacking device for underground pipe jacking construction according to claim 1, characterized in that: One side of the buckle (4) is provided with a sliding block matched with the sliding groove of the support frame (1), the sliding block of the buckle (4) is a T-shaped sliding block, the fixed groove (7) is a semicircular groove, and the shape of the fixed buckle (3) is a semicircular arc.

4. The multi-stage synchronous jacking device for underground pipe jacking construction according to claim 1, characterized in that: The connecting screw rod (14) and the support rod (16) form an I-shaped connection, and the connecting screw rod (14) and the support rod (16) connect the movable parts of a plurality of hydraulic cylinders (2) with each other.

5. The multi-stage synchronous jacking device for underground pipe jacking construction according to claim 1, characterized in that: The lower part of the support frame (1) is provided with a support guide rail (12), the lower part of the support guide rail (12) is provided with a skid (9), the upper part of the support guide rail (12) is in contact with the knock plate (17), and the inside of the knock plate (17) is inserted with a limiting plate (11).

6. The multi-stage synchronous jacking device for underground pipe jacking construction according to claim 5, characterized in that: The lower part of the limiting plate (11) is sleeved on the outer side of the support guide rail (12), the upper part of the limiting plate (11) is fixedly connected with a movable plate (15), the middle part of the movable plate (15) is inserted with an insertion block (13), and the lower part of the insertion block (13) is fixedly connected with the knock plate (17).