Slurry balance mechanical jacking device for pipe jacking and well descending
By introducing a design that combines a jacking ball and a motor working together in the slurry balance mechanical jacking device for pipe jacking, the problems of poor cutterhead adaptability and uneven jacking force were solved, achieving stable cutting and uniform transmission in different geological conditions, and improving the stability and efficiency of the jacking process.
Patent Information
- Application Number
- CN202423319755.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing slurry balance mechanical jacking device for pipe jacking has poor cutterhead adaptability during the jacking process, cannot quickly cut different geological conditions, and has uneven jacking force transmission, which can easily lead to deviation and untimely adjustment.
A device was designed that includes a jack, a ball bearing, a cutter head, a motor, and a pressure sensor. The ball bearing automatically adapts to angular deviations, and the motor works in concert to keep the cutter head rotating smoothly. Combined with a spiral guide vane and a double-layer slurry discharge pipe structure, it ensures uniform transmission of the thrust and slurry flow rate, reducing sedimentation and clogging.
This improved the device's adaptability to different geological conditions, ensured stable transmission of jacking force, reduced the risk of deviation, and enhanced the stability and efficiency of the jacking process.
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Figure CN223469265U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pipe jacking construction technical field, concretely relates to a pipe jacking down well's slurry balance mechanical jacking device. BACKGROUND
[0002] With the development of city construction, underground space trenchless technology is paid more and more attention by people and has been widely applied, and pipe jacking construction technology is a kind of trenchless technology for laying underground pipelines with better environmental protection. It is under the condition that the soil layer structure outside the pipe is not disturbed or slightly disturbed, and with the help of the thrust of main jacking oil pump and other jacking equipment, the tool pipe or tunneling machine is passed through the soil layer along the line from the working well into the receiving well; at the same time, the pipeline followed is connected and buried in the pipeline soil layer connecting the two wells.
[0003] But the existing slurry balance mechanical jacking device has poor adaptability of cutter head in jacking process, cannot quickly cut different geologies when encountering different geologies, and the jacking force is not uniformly transmitted, which can easily cause the jacking device to deviate, and when the jacking device deviates, it cannot be adjusted in time, therefore, we propose a pipe jacking down well's slurry balance mechanical jacking device. UTILITY MODEL CONTENT
[0004] In view of the problems existing in the above-mentioned pipe jacking down well's slurry balance mechanical jacking device, the utility model is proposed.
[0005] Therefore, the utility model aims at providing a pipe jacking down well's slurry balance mechanical jacking device, solving the problems that the existing pipe jacking down well's slurry balance mechanical jacking device has poor adaptability of cutter head in jacking process, cannot quickly cut different geologies when encountering different geologies, and the jacking force is not uniformly transmitted, which can easily cause the jacking device to deviate, and when the jacking device deviates, it cannot be adjusted in time.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A pipe jacking down well's slurry balance mechanical jacking device, including back wall, jack and cutter head, the back wall one side fixed mounting has a plurality of jacks, a plurality of the moving end of jack is all fixedly installed with top ball, a plurality of top ball one side is equipped with a plurality of top iron, a plurality of top iron's surface all are connected through bolt fixation, one side top iron one side is equipped with steel pipe, the steel pipe one side is equipped with slurry tank, the both sides of slurry tank are slidably provided with support rod, two The side of support rod is fixedly installed with cutter head, the slurry tank one side top and bottom are equipped with inlet pipe and discharge pipe respectively, the other end of inlet pipe and discharge pipe is fixedly installed with processing box.
[0008] Preferably, one side of the cutter head is fixedly provided with a first gear, the top and the bottom of one side of the slurry tank are fixedly provided with motors, the output ends of the two motors are fixedly provided with second gears, and the two second gears are in meshing connection with the first gear.
[0009] Preferably, a plurality of pressure sensors are fixedly arranged in the slurry tank, an emergency exhaust pipe is arranged on the top of the slurry tank, an electromagnetic valve is arranged on the emergency exhaust pipe, and the plurality of pressure sensors are electrically connected with the electromagnetic valve.
[0010] Preferably, a spiral flow guide vane is fixedly arranged in the slurry inlet pipe.
[0011] Preferably, the slurry outlet pipe adopts a double-layer pipe wall structure, and the slurry outlet pipe comprises an outer layer and an inner layer, the outer layer is a high-strength steel pipe layer, and the inner layer is a ceramic lining pipe layer.
[0012] Preferably, a rubber buffer pad is fixedly arranged on the other side of the back wall.
[0013] In the above technical scheme, the technical effects and advantages of the utility model are provided.
[0014] The utility model discloses a top ball is equipped with the output end of the jack, can automatically adapt to the deviation of a certain angle in the jacking process, guarantees that the jacking force is evenly and stably transmitted, and two motors are arranged on one side of the slurry tank, the output power of the motor can be used to make the two motors work cooperatively, the cutter head can be kept rotating stably, the adaptability to different geologies is enhanced, the spiral flow guide vane is arranged in the slurry inlet pipe, the flow rate of the slurry can be increased, the sedimentation and blockage of the slurry in the pipe are reduced, and the practicability of the pipe jacking device is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is Figure 1 It is a structure enlarged view of part A;
[0018] Figure 3 It is Figure 1 It is a structure enlarged view of part B.
[0019] BRIEF DESCRIPTION OF DRAWINGS
[0020] 1, back wall; 2, jack; 3, cutter head; 4, top ball; 5, top iron; 6, steel pipe; 7, support rod; 8, inlet pipe; 9, discharge pipe; 10, treatment box; 11, first gear; 12, motor; 13, second gear; 14, pressure sensor; 15, emergency exhaust pipe; 16, spiral guide vane; 17, outer layer; 18, inner layer; 19, rubber buffer pad; 20, mud tank. DETAILED DESCRIPTION
[0021] In order for those skilled in the art to better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.
[0022] The utility model discloses a kind of mud balance mechanical jacking devices of pipe pushing down well.
[0023] The utility model provides a kind of mud balance mechanical jacking devices of pipe pushing down well as Figures 1-3 As shown in a kind of mud balance mechanical jacking devices of pipe pushing down well, including back wall 1, jack 2 and cutter head 3, the side fixed mounting of back wall 1 has multiple jacks 2, the moving end of multiple jacks 2 is all fixedly installed with top ball 4, multiple top ball 4 side is equipped with multiple top iron 5, the surface of multiple top iron 5 is all connected by bolt fixedly, the side of one side top iron 5 is equipped with steel pipe 6, the side of steel pipe 6 is equipped with mud tank 20, the both sides of mud tank 20 are slidably equipped with support rod 7, the side fixed mounting of two support rods 7 has cutter head 3, the side top and bottom of mud tank 20 are equipped with inlet pipe 8 and discharge pipe 9 respectively, the other end fixed mounting of inlet pipe 8 and discharge pipe 9 has treatment box 10, can make jacking force uniform, stably transmission.
[0024] The utility model discloses a kind of mud balance mechanical jacking devices of pipe pushing down well, the side fixed mounting of cutter head 3 has first gear 11, the side top and bottom of mud tank 20 are all fixedly installed with motor 12, the output of two motors 12 is all fixedly installed with second gear 13, two second gears 13 are all meshed with first gear 11 Connection, facilitate cutter head 3 can adapt to different geology.
[0025] The utility model discloses a kind of mud balance mechanical jacking devices of pipe pushing down well, multiple pressure sensors 14 are fixedly installed in mud tank 20, mud tank 20 top is equipped with emergency exhaust pipe 15, electromagnetic valve is installed on emergency exhaust pipe 15, multiple pressure sensors 14 are all electrically connected with electromagnetic valve, when the internal pressure of mud tank 20 is too large, electromagnetic valve opens, emergency exhaust pipe 15 exhausts, prevent internal pressure of mud tank 20 from being abnormal, cause mud tank 20 damage.
[0026] The utility model discloses a mud balance mechanical jacking device of top pipe down well, fixedly installed with spiral guide vane 16 in the inside of slurry inlet pipe 8, prevents the inside of slurry inlet pipe 8 from being blocked.
[0027] The utility model discloses a mud balance mechanical jacking device of top pipe down well, adopts double -layer pipe wall structure to slurry outlet pipe 9, and slurry outlet pipe 9 includes outer layer 17 and inner layer 18, the outer layer 17 is high -strength steel pipe 6 layer, and the inner layer 18 is ceramic lining pipe layer, prevents slurry from wearing seriously to slurry outlet pipe 9.
[0028] The utility model discloses a mud balance mechanical jacking device of top pipe down well, is fixedly installed with rubber buffer pad 19 on the other side of back wall 1, reduces the damage of back wall 1 to the well wall.
[0029] When using, the power of two motors 12 can be adjusted according to the hardness of different geology, two motors 12 drive cutterhead 3 to rotate through second gear 13 and first gear 11, so that cutterhead 3 can cut different geology, if the pressure in sludge tank 20 is abnormal, pressure sensor 14 will start electromagnetic valve, and emergency exhaust pipe 15 releases the pressure in sludge tank 20, and meanwhile, the top ball 4 of jack 2 can automatically adapt to the deviation of a certain angle during jacking, so as to ensure that the jacking force is uniformly and stably transmitted.
[0030] The above only describes some exemplary embodiments of the utility model through the description mode, and it is needless to say that for ordinary skilled person in the art, the described embodiments can be modified in various different modes without deviating from the spirit and scope of the utility model. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.
Claims
1. A pipe jacking device for balancing the water level of a pipe down the well, comprising a back wall (1), a jack (2) and a cutter head (3), characterized in that, The back wall (1) is fixedly installed on one side of a plurality of jacks (2), the moving end of a plurality of jacks (2) is fixedly installed with a top ball (4), a plurality of top balls (4) are provided with a plurality of top irons (5) on one side, the surface of a plurality of top irons (5) is fixedly connected by bolts, one side of the top iron (5) is provided with a steel pipe (6), the steel pipe (6) is provided with a mud tank (20) on one side, the mud tank (20) is provided with a support rod (7) on both sides, the two support rods (7) are fixedly installed with a cutter head (3) on one side, the mud tank (20) is provided with an inlet pipe (8) and a discharge pipe (9) on the top and the bottom respectively, the other end of the inlet pipe (8) and the discharge pipe (9) is fixedly installed with a treatment box (10).
2. The pipe jacking device for balancing the water level in the pipe jacking well according to claim 1, characterized in that, The cutter head (3) is fixedly installed on one side of a first gear (11), the mud tank (20) is fixedly installed with a motor (12) on the top and the bottom, the output end of the two motors (12) is fixedly installed with a second gear (13), and the two second gears (13) are meshed with the first gear (11).
3. The pipe jacking device according to claim 1, wherein, A plurality of pressure sensors (14) are fixedly installed in the mud tank (20), the top of the mud tank (20) is provided with an emergency exhaust pipe (15), the emergency exhaust pipe (15) is provided with an electromagnetic valve, and the plurality of pressure sensors (14) are electrically connected with the electromagnetic valve.
4. The pipe jacking device according to claim 1, wherein, The inside of the inlet pipe (8) is fixedly installed with a spiral guide vane (16).
5. The pipe jacking device for balancing the water level in the pipe jacking well according to claim 1, characterized in that, The discharge pipe (9) adopts a double-layer pipe wall structure, and the discharge pipe (9) comprises an outer layer (17) and an inner layer (18), the outer layer (17) is a high-strength steel pipe (6) layer, and the inner layer (18) is a ceramic lining pipe layer.
6. The pipe jacking device for balancing the water level in the pipe jacking well according to claim 1, characterized in that, The other side of the back wall (1) is fixedly installed with a rubber buffer pad (19).