A pipe jacking machine head capture device and its hoisting method in turbid deep water environments

Abstract

This invention discloses a pipe jacking machine head capture device and its hoisting method for turbid deep water environments. The device includes a hoisting assembly comprising a pipe jacking machine body, a cap, a hinged seat, a baffle, a traction component, an inflation component, floats, a limiting component, and a triggering component. The pipe jacking machine body has a hoisting chamber. The cap is located at the top of the hoisting chamber. The hinged seat is fixed inside the hoisting chamber. The baffle is fixed to one side of the hinged seat. The traction component is located on the inner wall of the hoisting chamber. The floats are fixed to both sides of the inner wall of the hoisting chamber. The limiting components are located on both sides of the floats. The triggering component is located on the inflation component. This invention, through the cooperation of the hoisting assembly and the fastening assembly, can automatically raise a marker when the pipe jacking machine head falls into the water. This marker allows the hook to more easily reach the hoisting position of the machine head, resulting in higher hoisting efficiency and significantly improved safety for divers.

Description

Technical Field

[0001] This invention relates to the field of pipe jacking machine technology, and in particular to a pipe jacking machine head capture device and its hoisting method for turbid deep water environments. Background Technology

[0002] The pipe jacking machine mainly consists of a rotary excavation system, a main hydraulic propulsion system, a soil conveying system, a grouting system, surveying equipment, ground hoisting equipment, and an electrical system. The rotary excavation system (commonly known as the "machine head") mainly consists of a front steel shell, a rear steel shell, a cutting mechanism, a cutting disc, a disc reducer, a mud feeding and discharging mechanism, a hydraulic power unit, a correction hydraulic cylinder, a waterproof ring, a cutting head, a disc rotation shaft, an electrical system, an automatic control system, and auxiliary devices. During operation, the pipe jacking machine is often used in turbid water environments. The turbidity and high water pressure make it difficult to locate the hoisting position of the machine head visually. There are also certain safety hazards when divers hang hooks on the pipe jacking machine. Summary of the Invention

[0003] Purpose of the invention: The problem to be solved by the present invention is that during the use of pipe jacking machines, they are used in turbid water environments. The turbid water environment and the high water pressure make it difficult to find the hoisting position of the machine head by visual means. There are also certain safety hazards when divers hang the hook on the pipe jacking machine.

[0004] Technical Solution: This invention provides a pipe jacking machine head capture device for turbid deep water environments, comprising: a hoisting assembly including a pipe jacking machine body, a cover, a hinge seat, a baffle, a traction component, an inflation component, floats, a limiting component, and a triggering component; the pipe jacking machine body has a hoisting chamber; the cover is disposed at the top of the hoisting chamber; the hinge seat is fixed inside the hoisting chamber; the baffle is fixed to one side of the hinge seat; the traction component is disposed on the inner wall of the hoisting chamber; the floats are fixed on both sides of the inner wall of the hoisting chamber; the limiting components are disposed on both sides of the floats; and the triggering component is disposed on the inflation component; and a fastening assembly disposed at the bottom of the cover, including a first fastener, a second fastener, a triggering rod, and a first sealing membrane; the first fastener is disposed on both sides of the inflation component; the second fastener is disposed at the four bottom corners of the cover; the triggering rod is fixed on both sides of the limiting component and cooperates with the second fastener; and the first sealing membrane is fixed at the four top corners of the cover.

[0005] Furthermore, the traction component of the capture device includes a winding rod, a traction rope, and an airbag. The winding rod is rotatably connected to the inner wall of the hoisting chamber, the traction rope is wound around the surface of the winding rod, and the airbag is fixed to the end of the traction rope and located at the bottom of the cover.

[0006] Furthermore, the inflatable component of the capture device includes an inflatable tank, an air vent, a sealing ring, a second sealing membrane, a movable cone, a connecting rod, a movable ring, and a fixed ring. The inflatable tank is located on both sides of the inner wall of the hoisting chamber. The air vent is fixed to the top of the inflatable tank, and its end communicates with the airbag. The sealing ring is fixed inside the air vent. The second sealing membrane is fixed inside the air vent and located above the sealing ring. The movable cone slides inside the sealing ring. The connecting rod is fixed to both sides of the movable cone. The movable ring is sleeved on the surface of the air vent. The end of the connecting rod is fixed to the inner wall of the movable ring. The fixed ring is fixed to the surface of the air vent and located above the movable ring.

[0007] Furthermore, the limiting component of the capturing device includes a fixed block, a guide rod, a top block, and a first spring. The fixed block is fixed to the bottom of both sides of the float, the guide rod is fixed in the hoisting chamber, the fixed block slides on the guide rod, the top block is fixed to the top of the guide rod, and the two ends of the first spring are fixed to the top block and the fixed block, respectively.

[0008] Furthermore, the triggering element of the capturing device includes a connecting rod, a rotating rod, a movable rod, a protrusion, and an inclined plate. The connecting rod is fixed to both sides of the top of the float. The rotating rod is rotatably connected to the end of the connecting rod. The surface of the movable ring is provided with an annular groove. The end of the rotating rod is located in the annular groove. The movable rod slides in the rotating rod. The protrusion is fixed to both sides of the movable rod. The inclined plate is fixed to both sides of the fixed ring and cooperates with the protrusion.

[0009] Furthermore, the first fastener of the capture device includes a movable plate, a clamping plate, and a pressure plate. The movable plate is located on both sides of the bottom of the air tank, the clamping plate is fixed to the bottom of both sides of the air tank, the movable plate has a groove on its inner side that cooperates with it, and the pressure plate is fixed to one side of the float and cooperates with the movable plate.

[0010] Furthermore, the first fastener of the capture device also includes a fixed plate, a fixed rod, and a second spring. The fixed plate is fixed inside the hoisting chamber and located outside the movable plate. The fixed rod is fixed to one side of the fixed plate. The movable plate slides on the fixed rod. The two ends of the second spring are respectively fixed to the two movable plates.

[0011] Furthermore, the second fastener of the capture device includes a fixed hook plate, a rotating hook plate, and a movable frame. The fixed hook plate is fixed to the four corners of the bottom of the cover. The rotating hook plate is rotatably connected to the hoisting chamber and cooperates with the fixed hook plate. A through hole is provided in the middle of the rotating hook plate. The movable frame slides in the through hole and cooperates with the trigger rod.

[0012] Furthermore, the second fastener of the capturing device also includes a third spring, the two ends of which are fixed to the inner wall of the through hole and the movable frame, respectively.

[0013] Furthermore, a preferred embodiment of the pipe jacking machine head capture device and its hoisting method in turbid deep water environments includes the following hoisting method:

[0014] The cap is opened by water pressure and the rising of the float.

[0015] At this point, air is inflated into the airbag through the air tank, causing it to float upwards;

[0016] When the airbag moves to the water surface, the hook can move down along the airbag and the traction rope into the hoisting chamber;

[0017] Then, install the hook into the hinged seat to carry out the lifting operation.

[0018] Beneficial effects: Compared with the prior art, the significant advantages of the present invention are: the present invention, through the cooperation of the hoisting component and the fastening component, can automatically raise the marker when the jacking machine head falls into the water. The marker makes it easier for the hook to reach the hoisting position of the machine head, resulting in higher hoisting efficiency and greatly ensuring the safety of the divers. Attached Figure Description

[0019] Figure 1 A structural diagram of the capture device for the head of a pipe jacking machine and its hoisting method in turbid deep water environments;

[0020] Figure 2 A structural diagram showing the connection between the hoisting and fastening components of the pipe jacking machine head capture device and its hoisting method in turbid deep water environments.

[0021] Figure 3 A cross-sectional view of the traction component of the pipe jacking machine head capture device and its hoisting method in turbid deep water environments;

[0022] Figure 4 A capture device for the head of a pipe jacking machine and its hoisting method for turbid deep water environments. Figure 3 Enlarged view of inner part A;

[0023] Figure 5 A structural diagram of the second fastener for the capture device of the pipe jacking machine head and its hoisting method in turbid deep water environments;

[0024] Figure 6 A capture device for the head of a pipe jacking machine and its hoisting method for turbid deep water environments. Figure 5 Enlarged view of inner section B;

[0025] Figure 7 Cross-sectional view of the inflatable component of the pipe jacking machine head capture device and its hoisting method in turbid deep water environment;

[0026] Figure 8 This is a structural diagram of the trigger component of the capture device for the head of a pipe jacking machine and its hoisting method in turbid deep water environments. Detailed Implementation

[0027] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings.

[0028] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figure 1 and Figure 2 This is the first embodiment of the present invention. This embodiment provides a pipe jacking machine head capture device and its hoisting method for turbid deep water environments. The pipe jacking machine head capture device and its hoisting method for turbid deep water environments include a hoisting component 100 and a fastening component 200. The hoisting component 100 enables the hook to find the hoisting position of the machine head more accurately and quickly, improving the hoisting efficiency. At the same time, the fastening component 200 makes it easier to control the opening of the hoisting position and prevents it from opening during the operation of the pipe jacking machine head.

[0031] The hoisting assembly 100 includes a pipe jacking machine body 101, a cover 102, a hinge seat 103, a baffle 104, a traction component 105, an inflation component 106, a float 107, a limiting component 108, and a triggering component 109. The pipe jacking machine body 101 has a hoisting chamber S. The cover 102 is located on the top of the hoisting chamber S. The hinge seat 103 is fixed inside the hoisting chamber S. The baffle 104 is fixed on one side of the hinge seat 103. The traction component 105 is located on the inner wall of the hoisting chamber S. The float 107 is fixed on both sides of the inner wall of the hoisting chamber S. The limiting component 108 is located on both sides of the float 107. The triggering component 109 is located on the inflation component 106.

[0032] At least two hoisting chambers S are provided, with a certain angle between them, to prevent both hoisting chambers S from being pressed down simultaneously when the pipe jacking machine falls to the bottom of the water, which would affect subsequent use. The staggered distribution ensures that at least one hoisting chamber S is located in the water, and also makes it convenient to flip the machine head over during hoisting, so that the other hoisting chambers S are exposed, thereby facilitating subsequent hoisting operations.

[0033] The baffle 104 is fixed to the top of the rotating side of the hinge plate inside the hinge seat 103. It is used to limit the rotation of the plate, increase its rigidity, and facilitate the lifting operation of the hook. When the machine head falls into the water, the traction component 105 is inflated by the inflator 106, so that it floats on the water surface. This allows the workers to place the hook inside the hinge seat 103 along the traction component 105 for lifting operation.

[0034] When the machine head is not submerged in water, there is no water in the hoisting chamber S. When the machine head is submerged in water, water will enter the hoisting chamber S due to water pressure, which will lift the float 107. Thus, through the cooperation between the float 107, the limiting member 108 and the trigger member 109, the inflation member 106 will rise with the traction member 105 and continuously inflate it, improving its floating efficiency and convenience without the need for additional manual operation.

[0035] The fastening assembly 200 is located at the bottom of the cover 102 and includes a first fastener 201, a second fastener 202, a trigger rod 203, and a first sealing film 204. The first fastener 201 is located on both sides of the inflatable component 106, the second fastener 202 is located at the four corners of the bottom of the cover 102, the trigger rod 203 is fixed on both sides of the limiting component 108 and cooperates with the second fastener 202, and the first sealing film 204 is fixed at the four corners of the top of the cover 102.

[0036] The first fastener 201 is used to fix the inflation component 106 to prevent it from shaking during the operation of the pipe jacking machine and accidentally inflating it, which greatly improves the safety of the equipment. The second fastener 202 is used to fix the cover 102 so that it can better seal the hoisting chamber S when the machine head has not fallen into the water, preventing water from entering. The trigger rod 203 cooperates with the second fastener 202 to open the cover 102.

[0037] The first sealing membrane 204 can be made of geomembrane or cellulose membrane, etc., and can be designed to have a certain compressive strength. During the operation of the pipe jacking machine, water seeping into the soil will not damage the first sealing membrane 204. The cover 102 is also provided with some water guiding grooves to prevent excessive water from accumulating near the first sealing membrane 204 for a long time during use. When the machine head enters the water, the first sealing membrane 204 will rupture due to the increase in water pressure, thereby allowing water to enter the hoisting chamber S. This part can be designed by those skilled in the art according to the actual use environment and water pressure environment.

[0038] Example 2

[0039] Reference Figures 1 to 8 This is the second embodiment of the present invention, which is based on the previous embodiment.

[0040] Specifically, the traction component 105 includes a winding rod 105a, a traction rope 105b, and an airbag 105c. The winding rod 105a is rotatably connected to the inner wall of the hoisting chamber S. The traction rope 105b is wound around the surface of the winding rod 105a. The airbag 105c is fixed to the end of the traction rope 105b and is located at the bottom of the cover 102.

[0041] The winding rod 105a is rotatably connected to the inner wall of the hoisting chamber S via a bearing. The end of the traction rope 105b passes around the bottom of the hinge seat 103 and extends upward to the bottom of the airbag 105c. The end of the rotating plate on the hinge seat 103 has a small hole for the traction rope 105b to pass through, so that when the airbag 105c drives the traction rope 105b to float, the traction rope 105b is always located at the end of the rotating plate on the hinge seat 103. When the hook descends along the traction rope 105b, it will hit the rotating plate and press it downward first. When the two separate, the rotating plate returns to its original position and fixes the hook. A torsion spring is provided at the rotating position of the rotating plate to facilitate its return. This part is not shown in the figure.

[0042] The inflatable component 106 includes an inflatable tank 106a, a vent pipe 106b, a sealing ring 106c, a second sealing membrane 106d, a movable cone 106e, a connecting rod 106f, a movable ring 106g, and a fixed ring 106h. The inflatable tank 106a is located on both sides of the inner wall of the hoisting chamber S. The vent pipe 106b is fixed to the top of the inflatable tank 106a, and its end communicates with the airbag 105c. The sealing ring 106c is fixed inside the vent pipe 106b. The sealing membrane 106d is fixed inside the vent pipe 106b and is located above the sealing ring 106c. The movable cone 106e slides inside the sealing ring 106c. The connecting rod 106f is fixed on both sides of the movable cone 106e. The movable ring 106g is sleeved on the surface of the vent pipe 106b. The end of the connecting rod 106f is fixed to the inner wall of the movable ring 106g. The fixed ring 106h is fixed on the surface of the vent pipe 106b and is located above the movable ring 106g.

[0043] The inflation tank 106a contains high-pressure gas, which can be delivered to the airbag 105c through the vent pipe 106b. A one-way valve can be installed at the connection between the airbag 105c and the vent pipe 106b to prevent gas leakage from the airbag 105c. This part is not shown in the figure.

[0044] The sealing ring 106c and the movable cone 106e are initially closed, providing a certain sealing effect. There are two connecting rods 106f. The vent pipe 106b has rectangular grooves on both sides for movement, and these grooves are always located inside the movable ring 106g. The movable ring 106g and the vent pipe 106b are sealed to prevent gas leakage. The second sealing membrane 106d further enhances the sealing effect. When the movable ring 106g moves upward, it drives the movable cone 106e to move upward. The top of the movable cone 106e has a sharp cone, which can puncture the second sealing membrane 106d during its upward movement, allowing the high-pressure gas in the inflation tank 106a to rush out and puncture the second sealing membrane 106d, allowing a large amount of gas to enter the airbag 105c.

[0045] The limiting component 108 includes a fixing block 108a, a guide rod 108b, a top block 108c, and a first spring 108d. The fixing block 108a is fixed to the bottom of both sides of the float 107, the guide rod 108b is fixed in the hoisting chamber S, the fixing block 108a slides on the guide rod 108b, the top block 108c is fixed to the top of the guide rod 108b, and the two ends of the first spring 108d are fixed to the top block 108c and the fixing block 108a, respectively.

[0046] The fixed block 108a slides on the two guide rods 108b to limit the float 107 and prevent it from shifting during its up and down movement. The top block 108c is used to prevent the fixed block 108a from detaching from the guide rods 108b. The first spring 108d applies a downward thrust to the fixed block 108a and the float 107, so that they are in contact with the inner wall of the hoisting chamber S in the initial state, which can prevent them from shaking during the operation of the pipe jacking machine head.

[0047] The trigger 109 includes a connecting rod 109a, a rotating rod 109b, a movable rod 109c, a protrusion 109d, and an inclined plate 109e. The connecting rod 109a is fixed to both sides of the top of the float 107. The rotating rod 109b is rotatably connected to the end of the connecting rod 109a. The surface of the movable ring 106g is provided with an annular groove M. The end of the rotating rod 109b is located in the annular groove M. The movable rod 109c slides in the rotating rod 109b. The protrusion 109d is fixed to both sides of the movable rod 109c. The inclined plate 109e is fixed to both sides of the fixed ring 106h and cooperates with the protrusion 109d.

[0048] The connecting rod 109a and the rotating rod 109b are rotatably connected by a shaft. The rotating rod 109b has a cavity inside, and the movable rod 109c moves within this cavity. A spring is fixed within this cavity, applying a force to the movable rod 109c towards the connecting rod 109a. Initially, the movable rod 109c is located between the connecting rod 109a and the rotating rod 109b. Its rotation axis cannot rotate downwards due to the limitation imposed by the movable rod 109c. When the float 107 drives the connecting rod 109a and the rotating rod 109b... When moving upward, the rotating rod 109b pushes the movable ring 106g upward until it contacts the fixed ring 106h. The groove at the bottom of the inclined plate 109e will drive the protrusion 109d and the movable rod 109c toward the rotating rod 109b, causing the movable rod 109c to separate from the connecting rod 109a. At this time, the rotation axis between the connecting rod 109a and the rotating rod 109b loses its limit, and the rotating rod 109b will rotate and disengage from the annular groove M, so as to avoid it from hindering the inflation tank 106a from moving with the airbag 105c.

[0049] The first fastener 201 includes a movable plate 201a, a clamping plate 201b, and a pressure plate 201c. The movable plate 201a is located on both sides of the bottom of the air tank 106a. The clamping plate 201b is fixed to the bottom of both sides of the air tank 106a. The movable plate 201a has a groove P that mates with it on its inner side. The pressure plate 201c is fixed to one side of the float 107 and mates with the movable plate 201a.

[0050] The outer side of the movable plate 201a is inclined. In the initial state, the pressure plate 201c presses the movable plate 201a inward, so that the two clamping plates 201b are engaged in the clamping groove P, thereby limiting the position of the air tank 106a and preventing it from shaking or shifting during the operation of the pipe jacking machine.

[0051] The first fastener 201 also includes a fixed plate 201d, a fixed rod 201e, and a second spring 201f. The fixed plate 201d is fixed inside the hoisting chamber S and is located outside the movable plate 201a. The fixed rod 201e is fixed to one side of the fixed plate 201d. The movable plate 201a slides on the fixed rod 201e. The two ends of the second spring 201f are fixed to the two movable plates 201a respectively.

[0052] The fixed rod 201e and the fixed plate 201d are used to guide and limit the movable plate 201a to prevent it from deviating during left and right movement. The second spring 201f applies a repulsive force to the two movable plates 201a to move away from each other. When the float 107 moves upward, the pressure plate 201c separates from the movable plate 201a. At this time, the second spring 201f pushes the two movable plates 201a away from the air tank 106a, so that the locking plate 201b disengages from the locking groove P, thereby releasing the limiting effect on the air tank 106a.

[0053] The second fastener 202 includes a fixed hook plate 202a, a rotating hook plate 202b, and a movable frame 202c. The fixed hook plate 202a is fixed to the four corners of the bottom of the cover 102. The rotating hook plate 202b is rotatably connected to the hoisting chamber S and cooperates with the fixed hook plate 202a. A through hole U is provided in the middle of the rotating frame 202b, which slides in the through hole U and cooperates with the trigger rod 203.

[0054] Hooks are fixed to the sides of the fixed hook plate 202a and the rotating hook plate 202b that are close to each other, and the two are fixed to each other. The movable frame 202c is U-shaped. In the initial state, it is located at the bottom rotation axis of the rotating hook plate 202b, which prevents it from rotating. This makes the connection between the fixed hook plate 202a and the rotating hook plate 202b more stable. The trigger rod 203 is L-shaped. When the float 107 moves upward, the trigger rod 203 moves upward with it and drives the movable frame 202c to move upward until it separates from the bottom rotation axis of the rotating hook plate 202b, so that the rotating hook plate 202b can rotate. The side of the movable frame 202c close to the trigger rod 203 is inclined. When the trigger rod 203 continues to move upward, it will move on this inclined surface, thereby driving the movable frame 202c and the rotating hook plate 202b to rotate, so that they separate from the fixed hook plate 202a, thereby causing the cover 102 to fall off.

[0055] The second fastener 202 also includes a third spring 202d, whose two ends are fixed to the inner wall of the through hole U and the movable frame 202c, respectively.

[0056] The third spring 202d applies a pushing force to the movable frame 202c, so that it is initially located at the position of the bottom rotation axis of the rotating hook plate 202b, thus preventing it from shifting due to shaking or other reasons.

[0057] When the pipe jacking machine head falls into the water, the pressure of the water causes the first sealing membrane 204 to rupture, allowing water to enter the hoisting chamber S. The float 107 rises due to the strong buoyancy of the water. As it moves upward, the trigger rod 203 moves upward along with it, and through the trigger rod 203, it drives the movable frame 202c to move upward until it separates from the bottom rotating shaft of the rotating hook plate 202b, allowing the rotating hook plate 202b to rotate. The side of the movable frame 202c closest to the trigger rod 203 is inclined. As the trigger rod 203 continues to move upward, it will move on this inclined surface, thereby causing the movable frame 202c and the rotating hook plate 202b to rotate, separating them from the fixed hook plate 202a, thus causing the cover 102 to fall off.

[0058] At the same time, when the float 107 drives the connecting rod 109a and the rotating rod 109b to move upward, the rotating rod 109b pushes the movable ring 106g upward, causing the movable cone 106e to move upward. The movable cone 106e has a pointed tip, which can puncture the second sealing membrane 106d during the upward movement, thereby allowing the high-pressure gas in the inflation tank 106a to rush out and puncture the second sealing membrane 106d through the gas, allowing a large amount of gas to enter the airbag 105c. When the movable ring 106g contacts the fixed ring 106h, the groove at the bottom of the inclined plate 109e will drive the protrusion 109d and the movable rod 109c towards the rotating rod 109b, causing the movable rod 109c to separate from the connecting rod 109a. At this time, the rotation axis between the connecting rod 109a and the rotating rod 109b loses its limit, and the rotating rod 109b will rotate and disengage from the annular groove M, so as to avoid it from hindering the movement of the inflation tank 106a with the airbag 105c.

[0059] At the same time, the pressure plate 201c separates from the movable plate 201a. At this time, the second spring 201f pushes the two movable plates 201a away from the air tank 106a, causing the locking plate 201b to disengage from the locking groove P, thereby releasing the limiting effect on the air tank 106a. This allows the high-pressure gas in the air tank 106a to enter the air bladder 105c. The air bladder 105c is buoyed by the water, causing the traction rope 105b to float upward. The traction rope 105b is always located at the end of the rotating plate on the hinge seat 103. When the hook descends along the traction rope 105b, it will hit the rotating plate and press it downward first. When the two separate, the rotating plate returns to its original position, fixing the hook in place. This greatly facilitates the installation of the hook and brings great convenience to the lifting work.

[0060] Example 3

[0061] Reference Figures 1 to 8 This is the third embodiment of the present invention, which is based on the first two embodiments.

[0062] Specifically, this also includes the following hoisting methods:

[0063] When the pipe jacking machine head falls into the water, the pressure of the water causes the first sealing membrane 204 to rupture, allowing water to enter the hoisting chamber S. The float 107 rises due to the strong buoyancy of the water. As it moves upward, the trigger rod 203 moves upward along with it, and through the trigger rod 203, it drives the movable frame 202c to move upward until it separates from the bottom rotating shaft of the rotating hook plate 202b, allowing the rotating hook plate 202b to rotate. The side of the movable frame 202c closest to the trigger rod 203 is inclined. As the trigger rod 203 continues to move upward, it will move on this inclined surface, thereby causing the movable frame 202c and the rotating hook plate 202b to rotate, separating them from the fixed hook plate 202a, thus causing the cover 102 to fall off.

[0064] At the same time, when the float 107 drives the connecting rod 109a and the rotating rod 109b to move upward, the rotating rod 109b pushes the movable ring 106g upward, causing the movable cone 106e to move upward. The movable cone 106e has a pointed tip, which can puncture the second sealing membrane 106d during the upward movement, thereby allowing the high-pressure gas in the inflation tank 106a to rush out and puncture the second sealing membrane 106d through the gas, allowing a large amount of gas to enter the airbag 105c. When the movable ring 106g contacts the fixed ring 106h, the groove at the bottom of the inclined plate 109e will drive the protrusion 109d and the movable rod 109c towards the rotating rod 109b, causing the movable rod 109c to separate from the connecting rod 109a. At this time, the rotation axis between the connecting rod 109a and the rotating rod 109b loses its limit, and the rotating rod 109b will rotate and disengage from the annular groove M, so as to avoid it from hindering the movement of the inflation tank 106a with the airbag 105c.

[0065] At the same time, the pressure plate 201c separates from the movable plate 201a. At this time, the second spring 201f pushes the two movable plates 201a away from the air tank 106a, causing the locking plate 201b to disengage from the locking groove P, thereby releasing the limiting effect on the air tank 106a. This allows the high-pressure gas in the air tank 106a to enter the air bladder 105c. The air bladder 105c is buoyed by the water, causing the traction rope 105b to float upward. The traction rope 105b is always located at the end of the rotating plate on the hinge seat 103. When the hook descends along the traction rope 105b, it will hit the rotating plate and press it downward first. When the two separate, the rotating plate returns to its original position, fixing the hook in place. This greatly facilitates the installation of the hook and brings great convenience to the lifting work.

Claims

1. A pipe jacking machine head capture device for turbid deep water environments, characterized in that: include, The hoisting assembly (100) includes a pipe jacking machine body (101), a cover (102), a hinged seat (103), a baffle (104), a traction component (105), an inflation component (106), a float (107), a limiting component (108), and a triggering component (109). The pipe jacking machine body (101) has a hoisting chamber (S). The cover (102) is located on the top of the hoisting chamber (S). The hinged seat (105) is located on the top of the hoisting chamber (S). 03) Fixed within the hoisting chamber (S), the baffle (104) is fixed to one side of the hinge seat (103), the traction member (105) is disposed on the inner wall of the hoisting chamber (S), the float (107) is fixed to both sides of the inner wall of the hoisting chamber (S), the limiting member (108) is disposed on both sides of the float (107), and the trigger member (109) is disposed on the inflation member (106); and, The fastening assembly (200) is disposed at the bottom of the cover (102) and includes a first fastener (201), a second fastener (202), a trigger rod (203), and a first sealing film (204). The first fastener (201) is disposed on both sides of the inflatable component (106), the second fastener (202) is disposed at the four corners of the bottom of the cover (102), the trigger rod (203) is fixed to both sides of the limiting component (108) and cooperates with the second fastener (202), and the first sealing film (204) is fixed at the four corners of the top of the cover (102). The traction component (105) includes a winding rod (105a), a traction rope (105b), and an airbag (105c). The winding rod (105a) is rotatably connected to the inner wall of the hoisting chamber (S). The traction rope (105b) is wound around the surface of the winding rod (105a). The airbag (105c) is fixed to the end of the traction rope (105b) and located at the bottom of the cover (102). The inflatable component (106) includes an inflatable tank (106a), a vent pipe (106b), a sealing ring (106c), a second sealing membrane (106d), a movable cone (106e), a connecting rod (106f), a movable ring (106g), and a fixed ring (106h). The inflatable tank (106a) is located on both sides of the inner wall of the hoisting chamber (S). The vent pipe (106b) is fixed to the top of the inflatable tank (106a), and its end communicates with the airbag (105c). The sealing ring (106c) is fixed inside the vent pipe (106b). The second sealing membrane (106d) is... The sealing membrane (106d) is fixed inside the vent tube (106b) and located above the sealing ring (106c). The movable cone (106e) slides inside the sealing ring (106c). The connecting rod (106f) is fixed on both sides of the movable cone (106e). The movable ring (106g) is sleeved on the surface of the vent tube (106b). The end of the connecting rod (106f) is fixed to the inner wall of the movable ring (106g). The fixing ring (106h) is fixed on the surface of the vent tube (106b) and located above the movable ring (106g).

2. The pipe jacking machine head capture device for turbid deep water environments as described in claim 1, characterized in that: The limiting member (108) includes a fixing block (108a), a guide rod (108b), a top block (108c), and a first spring (108d). The fixing block (108a) is fixed to the bottom of both sides of the float (107), the guide rod (108b) is fixed in the hoisting chamber (S), the fixing block (108a) slides on the guide rod (108b), the top block (108c) is fixed to the top of the guide rod (108b), and the two ends of the first spring (108d) are fixed to the top block (108c) and the fixing block (108a) respectively.

3. The pipe jacking machine head capture device for turbid deep water environments as described in claim 2, characterized in that: The trigger (109) includes a connecting rod (109a), a rotating rod (109b), a movable rod (109c), a protrusion (109d), and a ramp (109e). The connecting rod (109a) is fixed to both sides of the top of the float (107). The rotating rod (109b) is rotatably connected to the end of the connecting rod (109a). The surface of the movable ring (106g) is provided with an annular groove (M). The end of the rotating rod (109b) is located in the annular groove (M). The movable rod (109c) slides in the rotating rod (109b). The protrusion (109d) is fixed to both sides of the movable rod (109c). The ramp (109e) is fixed to both sides of the fixed ring (106h) and cooperates with the protrusion (109d).

4. The pipe jacking machine head capture device for turbid deep water environments as described in claim 3, characterized in that: The first fastener (201) includes a movable plate (201a), a retaining plate (201b), and a pressure plate (201c). The movable plate (201a) is located on both sides of the bottom of the air tank (106a). The retaining plate (201b) is fixed to the bottom of both sides of the air tank (106a). The movable plate (201a) has a groove (P) that cooperates with it on the inner side. The pressure plate (201c) is fixed to one side of the float (107) and cooperates with the movable plate (201a).

5. The pipe jacking machine head capture device for turbid deep water environments as described in claim 4, characterized in that: The first fastener (201) further includes a fixing plate (201d), a fixing rod (201e), and a second spring (201f). The fixing plate (201d) is fixed inside the hoisting chamber (S) and located outside the movable plate (201a). The fixing rod (201e) is fixed to one side of the fixing plate (201d). The movable plate (201a) slides on the fixing rod (201e). The two ends of the second spring (201f) are respectively fixed to the two movable plates (201a).

6. The pipe jacking machine head capture device for turbid deep water environments as described in claim 4 or 5, characterized in that: The second fastener (202) includes a fixed hook plate (202a), a rotating hook plate (202b), and a movable frame (202c). The fixed hook plate (202a) is fixed to the four corners of the bottom of the cover (102). The rotating hook plate (202b) is rotatably connected to the hoisting chamber (S) and cooperates with the fixed hook plate (202a). A through hole (U) is provided in the middle of the rotating hook plate (202b). The movable frame (202c) slides in the through hole (U) and cooperates with the trigger rod (203).

7. The pipe jacking machine head capture device for turbid deep water environments as described in claim 6, characterized in that: The second fastener (202) also includes a third spring (202d), the two ends of which are fixed to the inner wall of the through hole (U) and the movable frame (202c), respectively.

8. A method for hoisting the head of a pipe jacking machine in turbid deep water environments, characterized in that: Including the nose capture device as described in any one of claims 1-7, it further includes the following hoisting method: The cover (102) is opened by water pressure and the rising of the float (107); At this time, air is inflated into the airbag (105c) through the air tank (106a), causing it to float upwards; When the airbag (105c) moves to the water surface, the hook can move down along the airbag (105c) and the traction rope (105b) into the hoisting chamber (S); Then, the hook can be installed in the hinge seat (103) to carry out the hoisting operation.

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