Shield / TBM (Tunnel Boring Machine) trailer starting and assembling system under small wellhead of deep well

Abstract

The utility model discloses a shield / TBM trailer starting assembly system under a small wellhead of a deep well, and solves the problems that in the prior art, a wellhead is relatively narrow and relatively deep, a rear matched trailer cannot be hoisted into a well, and underground assembly is difficult. The device comprises a hoisting device, a walking trolley and a jacking device which are arranged above a wellhead, the jacking device is positioned at the bottom of the trailer which is arranged in blocks; and a transverse driving mechanism for driving the walking trolley to move back and forth and a longitudinal driving mechanism for driving the walking trolley to move left and right are arranged underground. The lifting device, the walking trolley and the winch or the oil cylinder are matched to complete underground lifting and assembling of the matched trailer, and the lifting device is simple in structure, convenient to use and practical; the lifting device is used for turning over and lifting the trailer from the horizontal state to the vertical state, and the lifting device is matched with the walking trolley to turn over and assemble the trailer from the vertical state to the horizontal state; the trailer completes assembly from entering a well to underground through two times of turning over, and the requirements for launching of the trailer in a small and deep well and tunneling of a shield tunneling machine are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel construction technical field, especially point to a trailer originating assembly device. BACKGROUND

[0002] In recent years, with the development of shield construction technology, tunnel construction projects are more and more. Shield technology is a construction method of ground excavation tunnel, which prevents soft foundation excavation surface collapse or maintains excavation surface stability while excavating and lining the tunnel. During construction, a vertical shaft or foundation pit needs to be excavated at one end of a certain section of the tunnel, and the shield machine is hoisted into installation, and the shield machine starts to dig from the wall opening of the vertical shaft or foundation pit and advances along the designed hole line until it reaches the other vertical shaft or end point of the tunnel in the hole line. In the construction of the existing small and deep wellhead shield tunnel, the post-matching downhole originating of the shield will generally become a major problem. In the ordinary downhole originating process, the post-matching trailer is hoisted downhole as a whole, but in the small and deep wellhead construction, the wellhead is relatively narrow and cannot hoist the post-matching trailer downhole as a whole.

[0003] The prior art such as the invention patent with publication number CN115419418A discloses a shield large component originating construction method in a narrow space of an existing line, which solves the problem that the shield can originate even in the case of insufficient site conditions such as the original design shield originating well cannot be normally constructed on schedule, but for hoisting downhole, underground assembly in small and deep wellhead construction, the patent cannot solve the problem well. The invention patent with publication number CN110080794A discloses a low-gas tunnel large-diameter shield component downhole construction method, which converts hoisting and deslagging between two hoisting wells, but the patent cannot solve the problem of hoisting downhole, underground assembly in small and deep wellhead construction.

[0004] In summary, in the shield matching equipment, although certain progress has been made in the research of downhole assembly originating device, it still cannot meet the needs of small and deep wellhead shield construction, therefore, it is necessary to design a small and deep wellhead downhole assembly originating system. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the above background technology, the utility model provides a deep well small wellhead downhole shield / TBM trailer originating assembly system, which solves the problem of difficulty in hoisting the post-matching trailer downhole and underground assembly in small and deep wellhead construction in the prior art.

[0006] The technical scheme of the utility model is achieved as follows: a deep well small well mouth under shield / TBM trailer starting assembling system, which comprises a hoisting device arranged above a well mouth, a walking trolley arranged underground and a jacking device; the jacking device is arranged at the bottom of a trailer arranged in blocks; the underground is provided with a transverse driving mechanism for driving the walking trolley to move forward and backward and a longitudinal driving mechanism for driving the walking trolley to move left and right; the hoisting device hoists and transports the trailer arranged in blocks from horizontal to vertical, and the hoisting device and the walking trolley cooperate to assemble the trailer arranged in blocks from vertical to horizontal.

[0007] Further preferably, the hoisting device comprises a first hoist and a second hoist, and the first hoist and the second hoist are respectively connected with lifting lugs arranged on the trailer arranged in blocks; a hand chain block is connected to the first hoist and / or the second hoist. The first hoist and the second hoist cooperate, that is, two sets of hoists are used to complete the turning of the trailer from horizontal to vertical; lifting lugs are arranged on the trailer, and the trailer is turned from horizontal to vertical under the cooperation of the two hoists.

[0008] Further preferably, the trailer arranged in blocks comprises a left trailer frame, a right trailer frame and an intermediate connecting frame, and the intermediate connecting frame connects the left trailer frame and the right trailer frame; the top surface of the left trailer frame and the top surface of the right trailer frame are respectively provided with front lifting lugs and rear lifting lugs, and the rear bottom of the left trailer frame and the rear bottom of the right trailer frame are respectively provided with lower lifting lugs; the top surface of the intermediate connecting frame is provided with a first lifting lug. The hoist cooperates with different lifting lugs to hoist and adjust the position of the trailer arranged in blocks.

[0009] Further preferably, two walking trolleys are arranged underground, and the two walking trolleys are arranged in front and back; and the walking trolleys are respectively used for receiving the left trailer frame and the right trailer frame. Preferably, the walking trolley comprises a steel frame, a universal wheel is arranged at the bottom of the steel frame, a limiting block is arranged on the steel frame, a transverse driving mechanism is connected to the front and rear sides of the steel frame, and a longitudinal driving mechanism is connected to the left and right sides of the steel frame.

[0010] Further preferably, the bottom corners of the steel frame are respectively provided with wheel pair grooves, the universal wheels are rotatably arranged in the corresponding wheel pair grooves, the limiting block is connected with a steel pad arranged on the steel frame, and a rubber block is arranged on the limiting block. The universal wheel comprises a U-shaped seat and a rubber wheel rotatably arranged on the U-shaped seat, the top of the U-shaped seat is connected to the steel frame through a universal shaft, and an oil cup is arranged on the shaft of the rubber wheel.

[0011] Further preferably, the jacking device is a jacking oil cylinder or a jack; after the assembled trailer is in a proper position, the jacking device performs a jacking action to lift the trailer, so that the walking trolley below can be moved out.

[0012] As an implementation, the transverse driving mechanism and the longitudinal driving mechanism are both winches; the winches are matched to drive the walking trolley to move forward, backward, leftward and rightward.

[0013] As another implementation, the transverse driving mechanism is a winch, and the longitudinal driving mechanism is a pair of oil cylinders arranged symmetrically left and right. The winch drives the walking trolley to move forward and backward, and the oil cylinders drive the walking trolley to move left and right.

[0014] The utility model discloses beneficial effect is: the utility model uses hoisting device, walking trolley and winch or oil cylinder spare cooperation completes the downhole hoisting and assembly of after matching trailer, simple structure, convenient and practical, the hoisting device is to the trailer of the block setting and is hoisted and transported from horizontal to vertical, and the hoisting device is matched with the walking trolley and is to the trailer of the block setting and is assembled from vertical to horizontal, and the trailer of the block setting is completed from the well into the well assembly through twice turning over, solves the problem that the relatively small and relatively deep wellhead cannot hoist the after matching trailer downhole, and the difficulty of underground assembly is solved, and the shield tunneling machine excavation demand of trailer origin is met.

[0015] The utility model discloses the walking trolley wheel pair of pertinence design is universal wheel, can realize 360 degrees rotation, and cooperation transverse driving mechanism and longitudinal driving mechanism, and walking trolley can move forward and backward, and be used for adjusting the position of trailer on walking trolley, convenient assembly, greatly improve the origin assembly efficiency. DRAWINGS

[0016] In order to more clearly illustrate the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0017] Figure 1 It is the whole working state schematic diagram of the utility model trailer origin assembly system.

[0018] Figure 2 It is the main view schematic diagram of the utility model walking trolley.

[0019] Figure 3 It is the transverse driving mechanism, longitudinal driving mechanism and walking trolley configuration schematic diagram in embodiment 2.

[0020] Figure 4 It is the left trailer frame schematic diagram of the block setting trailer.

[0021] Figure 5 It is the trailer turning over process schematic diagram.

[0022] Figure 6A schematic diagram of a small angle adjustment process for a chain hoist.

[0023] Figure 7 A schematic diagram of a hoisting intermediate connecting frame.

[0024] Figure 8 A schematic diagram of the transverse driving mechanism, longitudinal driving mechanism and walking trolley configuration in Example 3. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0026] In the description of the present application, it should be understood that the terms "vertical", "horizontal", "upper", "lower", "front", "back", "left", "right", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0027] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0028] As Figure 1As shown in the embodiment 1, a deep well small well mouth shield / TBM trailer starting assembly system comprises a hoisting device 1 arranged above the well mouth, a walking trolley 2 arranged in the well and a jacking device; the hoisting device 1 can adopt an existing crane for lifting and pose adjustment of the trailer. The walking trolley can rotate 360 degrees for receiving the trailer arranged in blocks in the well. The jacking device is arranged at the bottom of the trailer arranged in blocks; after the assembled trailer is in the appropriate position, the jacking device performs a jacking action to lift the trailer, facilitating the removal of the walking trolley below. The well is provided with a transverse driving mechanism 3 for driving the walking trolley 2 to move forward and backward and a longitudinal driving mechanism 4 for driving the walking trolley 2 to move left and right; under the action of the transverse driving mechanism 3 and the longitudinal driving mechanism 4, the walking trolley can move forward and backward and left and right for adjusting the position of the trailer on the walking trolley, facilitating assembly. The hoisting device 1 lifts the trailer arranged in blocks from horizontal to vertical, and the hoisting device 1 cooperates with the walking trolley 2 to assemble the trailer arranged in blocks from vertical to horizontal; the trailer arranged in blocks is assembled from entering the well to the well by two times of turning over, solving the problems of narrow well mouth and deep well that cannot lift the rear supporting trailer into the well and difficult assembly in the well, meeting the requirements of trailer starting and shield tunneling.

[0029] Specifically, as shown in the embodiment, Figure 3 The hoisting device 1 comprises a first crane 1-1 and a second crane 1-2; the first crane 1-1 and the second crane 1-2 are respectively hung with the lifting lugs arranged on the trailer arranged in blocks; both the first crane 1-1 and the second crane 1-2 are arranged above the well mouth and are composed of hooks and steel wires; a hand-operated hoist 1-3 is connected to the first crane 1-1 and / or the second crane 1-2; the steel wires are connected through the hand-operated hoist on one side of the steel wires, and the angle of the lifted trailer is adjusted by adjusting the hand-operated hoist.

[0030] The trailer arranged in blocks in the embodiment comprises a left trailer frame 5, a right trailer frame 6 and an intermediate connecting frame 7, and the intermediate connecting frame 7 connects the left trailer frame 5 and the right trailer frame 6; the three trailer block structures are assembled in the well. The top surface of the left trailer frame 5 and the top surface of the right trailer frame 6 are both provided with front lifting lugs 8 and rear lifting lugs 9, and the rear bottom of the left trailer frame 5 and the rear bottom of the right trailer frame 6 are both provided with lower lifting lugs 10; the top surface of the intermediate connecting frame 7 is provided with a first lifting lug 11. The crane cooperates with different lifting lugs to lift and adjust the pose of the trailer arranged in blocks. As shown in the embodiment, Figure 4 、 5, 6, the left trailer frame 5 and the right trailer frame 6 are connected with the front lifting lug 8 and the rear lifting lug 9 respectively in the initial state, and the two cranes are used to hoist the trailer frame from horizontal to vertical; after the trailer frame is in the vertical state, one crane can be removed, and only the second crane 1-2 connected with the rear lifting lug 9 is used to hoist the trailer frame into the well in the vertical state, and then the hand-operated hoist connected with the steel wire rope of the second crane is used to adjust the posture of the left trailer frame or the right trailer frame in the well, and then the walking trolley is used to cooperate with the second crane to complete the hoisting of the left trailer frame or the right trailer frame from vertical to horizontal. Since the middle connecting frame is relatively narrow, as shown in Figure 7 , when the middle connecting frame 7 is hoisted, the first crane 1-1 and / or the second crane 1-2 are used to hang the middle connecting frame, and the middle connecting frame can be directly hoisted into the well in the horizontal state. In the specific construction, the left trailer frame and the right trailer frame are hoisted in sequence, then the middle connecting frame is hoisted, and finally the middle connecting frame is connected with the left trailer frame and the right trailer frame, so that the trailer assembly in the well is completed.

[0031] , as shown in Figure 3 , embodiment 2, a deep well small well mouth shield / TBM trailer starting assembly system, on the basis of embodiment 1, two walking trolleys 2 are arranged in the well in the embodiment, and the two walking trolleys are arranged in front and back. The two walking trolleys are used to receive the left trailer frame and the right trailer frame. In the embodiment, the walking trolley arranged in front is used to receive the left trailer frame, and the walking trolley arranged in back is used to receive the right trailer frame.

[0032] In the embodiment, the walking trolley 2 includes a steel frame 201, the steel frame is composed of a section steel, a steel plate is arranged at the top, and small holes are arranged on the upper and lower sides and the left side, and the small holes are used to connect the steel wire rope of the winch. The bottom of the steel frame 201 is provided with a universal wheel 202; the universal wheel cooperates with the transverse driving mechanism 3 and the longitudinal driving mechanism 4 to realize 360-degree rotation. The steel frame 201 is provided with a limiting block 203; the limiting block is used to limit the position of the left trailer frame or the right trailer frame on the corresponding steel frame, so as to prevent unnecessary sliding of the left trailer frame or the right trailer frame on the corresponding steel frame; the transverse driving mechanism 3 is connected to the front and back sides of the steel frame 201 respectively, and the longitudinal driving mechanism 4 is connected to the left and right sides of the steel frame 201 respectively. In the embodiment, the transverse driving mechanism 3 and the longitudinal driving mechanism 4 are winches; the winch is connected to the corresponding steel frame 201 through the small hole, and under the action of the winch, the walking trolley moves forward, backward, leftward and rightward. The jacking device is a jacking oil cylinder or a jack; in the embodiment, the jacking device is taken as an example, and the jack can be used alone; when the assembled trailer is in the appropriate position, the jack is placed between the trailer and the stratum, the jack is jacked up to lift the trailer, and the walking trolley below is removed.

[0033] The steel frame 201 is provided with wheel pair grooves 204 at four corners of the bottom, universal wheels 202 are rotationally arranged in the corresponding wheel pair grooves 204, and 360-degree rotation can be realized. The limiting blocks 203 are connected with steel pads 205 arranged on the steel frame 201; the steel pads are welded on the steel frame, the limiting blocks 203 are provided with rubber blocks 207, the rubber blocks 207 are detachably connected with the limiting blocks through screws 206, so that the rubber blocks 207 can be quickly replaced; the rubber blocks can buffer the impact of the block arranged trailer on the limiting blocks, and meanwhile, damage to the trailer can be avoided.

[0034] The universal wheel 202 comprises a U-shaped seat 208 and a rubber wheel 209 rotationally arranged on the U-shaped seat 208; the top of the U-shaped seat 208 is connected with the steel frame 201 through a universal shaft 210, the universal shaft 210 is rotationally connected with the steel frame through a bearing, so that 360-degree rotation of the universal wheel can be realized; a bearing is arranged between the shaft of the rubber wheel 209 and the U-shaped seat 208, and an oil cup 211 is arranged on the shaft of the rubber wheel 209, so as to lubricate the bearing.

[0035] In the embodiment, the hoisting device, the walking trolley and the winch are used to complete the underground hoisting and assembly of the post-mounted trailer. When the method is used, the winch needs to be arranged in front and back and on the side, and the walking trolley is connected through a chain to realize the movement of the walking trolley in front and back and on the side. In order to realize the function, the trolley wheel pair of the walking trolley is designed as a universal wheel, and 360-degree rotation can be realized. Therefore, the small and deep well mouth underground assembly starting method and device can meet the construction requirements of the small and deep well mouth underground hoisting and assembly.

[0036] The specific use process is as follows: first, the tooling is installed on the trailer equipment, the auxiliary equipment is connected with the main structure of the trailer, is fixed well and ensures stability; as shown in Figure 4 .

[0037] Secondly, two sets of hoists, i.e. a first hoist and a second hoist, are used to complete the turning of the left trailer frame from horizontal to vertical. Specifically, the first hoist 1-1 and the second hoist 1-2 are connected with the front lifting lug 8 and the rear lifting lug 9 of the left trailer frame respectively, and under the cooperation of the two hoists, the trailer is turned from the horizontal state to the vertical state, as shown in Figure 5 .

[0038] Thirdly, the left trailer frame is vertically lowered into the well, and a hand-operated hoist is installed on one side of the lifting rope to complete the small-angle adjustment of the trailer. At this time, the hoisting device is composed of a lifting hook, a steel wire rope and a hand-operated hoist, the steel wire rope is connected through the hand-operated hoist on one side of the steel wire rope, the hand-operated hoist is adjusted, and the angle of the trailer is adjusted, as shown in Figure 6 .

[0039] Fourth step, under the action of the lifting device, the left trailer frame one end is placed on the walking trolley (one walking trolley is placed in the left and right of the well, the winch traction chain passes through the small hole on the steel frame of the trolley), pay attention to the left side of the trailer frame column to be pressed in the trolley limit block position; one end of the winch pulls the walking trolley to move forward and backward, the lifting device slowly lowers to adjust the angle of the trailer, under the action of the lifting device, the walking trolley and the winch, the trailer gradually completes the turning from vertical to horizontal in the well, as shown in Figure 1 .

[0040] Fifth step, under the action of the lateral winch, pull the walking trolley, the walking trolley drives the left side of the trailer frame to move laterally. When the trailer needs to move laterally, adjust the angle of the universal wheel to drive the lateral frame of the trailer to move laterally under the action of the left and right winches.

[0041] Sixth step, use the same way to lift the right side of the trailer frame.

[0042] Seventh step, also use the lifting device to lift the middle connecting frame, and use the left and right winches to adjust the side frame to connect the middle connecting frame with the two side frames; complete the assembly of the trailer, as shown in Figure 7 .

[0043] Eighth step, place the jack at the bottom of the trailer, jack up the trailer, remove the walking trolley, and complete the entire assembly work.

[0044] As shown in Figure 8 , embodiment 3, a deep well small well mouth down shield / TBM trailer starting assembly system, the difference between this embodiment and embodiment 2 is that if the space is limited, the lateral winch can be replaced by an oil cylinder to drive the walking trolley to move laterally. Specifically, the transverse driving mechanism 3 in this embodiment is a winch, which provides power for the forward and backward movement of the walking trolley, and the longitudinal driving mechanism 4 is an oil cylinder arranged symmetrically on the left and right; At this time, the oil cylinder connecting structure needs to be welded on the walking trolley steel frame, and when moving laterally, the corresponding side oil cylinder can be driven according to the need. The utility model uses the cooperation of the lifting device, the walking trolley and the winch and the oil cylinder to complete the downhole hoisting and assembly of the trailer. When using, the winch is arranged in front and rear, and the oil cylinder is arranged on the left and right sides to realize the movement of the walking trolley in front and rear and lateral directions. In order to realize this function, the utility model designs the walking trolley wheel pair as a universal wheel, which can rotate 360 degrees. Therefore, according to the utility model, the small and deep well mouth downhole assembly starting method and device can meet the construction needs of downhole hoisting and assembly of small and deep well mouth.

[0045] Other structures and construction methods are the same as embodiment 2.

[0046] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A deep well small-head shield / TBM trailer launching and assembly system, characterized in that: It includes a lifting device (1) installed above the wellhead, a traveling trolley (2) installed underground, and a jacking device; the jacking device is located at the bottom of the segmented trailer; underground, there is a lateral drive mechanism (3) for driving the traveling trolley (2) to move back and forth and a longitudinal drive mechanism (4) for driving the traveling trolley (2) to move left and right; the lifting device (1) lifts the segmented trailer from horizontal to vertical, and the lifting device (1) and the traveling trolley (2) work together to assemble the segmented trailer from vertical to horizontal.

2. The deep well small-head shield / TBM trailer launching and assembly system according to claim 1, characterized in that: The lifting device (1) includes a first crane (1-1) and a second crane (1-2), the first crane (1-1) and the second crane (1-2) being respectively engaged with lifting lugs set on the segmented trailer; a hand-operated hoist (1-3) is connected to the first crane (1-1) and / or the second crane (1-2).

3. The deep well small-head shield / TBM trailer launching and assembly system according to claim 2, characterized in that: The segmented trailer includes a left trailer frame (5), a right trailer frame (6), and a middle connecting frame (7). The middle connecting frame (7) connects the left trailer frame (5) and the right trailer frame (6). The top surfaces of the left trailer frame (5) and the right trailer frame (6) are provided with front lifting lugs (8) and rear lifting lugs (9). The bottom rear surfaces of the left trailer frame (5) and the right trailer frame (6) are provided with lower lifting lugs (10). The top surface of the middle connecting frame (7) is provided with a first lifting lug (11).

4. The deep well small-head shield / TBM trailer launching and assembly system according to any one of claims 1 to 3, characterized in that: Two traveling trolleys (2) are installed underground, one in front of the other.

5. The deep well small-head shield / TBM trailer launching and assembly system according to claim 4, characterized in that: The walking trolley (2) includes a steel frame (201), with casters (202) at the bottom of the steel frame (201) and a limit block (203) on the steel frame (201); a transverse drive mechanism (3) is connected to the front and rear sides of the steel frame (201) respectively, and a longitudinal drive mechanism (4) is connected to the left and right sides of the steel frame (201) respectively.

6. The deep well small-head shield / TBM trailer launching and assembly system according to claim 5, characterized in that: The steel frame (201) has wheel grooves (204) at the four corners of its bottom. The casters (202) are rotatably mounted in the corresponding wheel grooves (204). The limiting block (203) is connected to the steel pad (205) mounted on the steel frame (201). The limiting block (203) is provided with a rubber block (207).

7. The deep well small-head shield / TBM trailer launching and assembly system according to claim 5 or 6, characterized in that: The universal wheel (202) includes a U-shaped seat (208) and a rubber wheel (209) rotatably mounted on the U-shaped seat (208). The top of the U-shaped seat (208) is connected to the steel frame (201) via a universal shaft (210). An oil cup (211) is provided on the axle of the rubber wheel (209).

8. The deep well small-head shield / TBM trailer launching and assembly system according to claim 1, characterized in that: The lifting device is a lifting cylinder or a jack.

9. The deep well small-head shield / TBM trailer launching and assembly system according to any one of claims 1 to 3, 6, and 8, characterized in that: Both the transverse drive mechanism (3) and the longitudinal drive mechanism (4) are winches.

10. The deep well small-head shield / TBM trailer launching and assembly system according to any one of claims 1 to 3, 6, and 8, characterized in that: The lateral drive mechanism (3) is a winch, and the longitudinal drive mechanism (4) is a hydraulic cylinder arranged symmetrically on the left and right.

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