Adaptive pipe jacking intelligent heading machine head

Abstract

The present application relates to underground tunneling equipment field, disclose a kind of self-adapting pipe jacking intelligent tunneling machine head, including fixed cylinder, movable cylinder, movable frame, cutterhead and cutter compartment, movable cylinder is funnel-shaped, the small diameter section of movable cylinder is inserted into fixed cylinder, movable frame is rotatably installed in the inside of movable cylinder, transmission shaft is installed in the middle of movable frame, transmission shaft passes through movable cylinder and is connected with the output shaft of motor by universal coupling, cutterhead is installed in the end of transmission shaft, cutter compartment is installed between cutterhead and support frame, movable cylinder is installed with rotary bearing seat of supporting cutter compartment, cutting tool head and crushing tool head are evenly installed in cutter compartment, installation groove is provided on cutterhead, and tool changing mechanism for enabling cutting tool head or crushing tool head to participate in excavation is also installed in cutter compartment.The cutter compartment of the present application is installed in machine head, corresponding cutting tool head or crushing tool head can be replaced according to the geological conditions of tunneling, the adaptive effect of machine head to complex environment is improved, and the efficiency of pipe jacking construction is effectively improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of underground tunneling equipment, in particular to a self-adaptive pipe jacking intelligent tunneling machine head. BACKGROUND

[0002] The pipe jacking machine is the main equipment for non-excavation tunneling pipe laying in municipal construction, and has the advantages of not affecting the surrounding environment, small construction site, low noise and the like. The pipe jacking machine mainly includes a rotary excavation system, a main jacking hydraulic propulsion system, a soil conveying system, a grouting system and the like. The rotary excavation system is a key equipment for realizing underground excavation, and is mainly responsible for excavation work. Its role is to drill a space with an appropriate size in the underground, and under the action of the hydraulic propulsion system, to push the prefabricated pipe into the space drilled by the rotary excavation system. However, the underground structure is complex and changeable. In the early stage of construction, the underground environment of excavation needs to be surveyed first, and then a cutter head corresponding to the working condition is selected to ensure the normal operation of pipe jacking. If the underground structure is complex, different environments need to be designed for multiple excavation points to ensure the normal excavation. However, multiple excavation points will greatly prolong the construction period. In order to solve this situation, it is particularly important to design a machine head that can adapt to multiple environments. SUMMARY

[0003] The purpose of the present application is to solve the problems in the background art, and provide a self-adaptive pipe jacking intelligent tunneling machine head. The machine head can switch different cutters according to different environments, thereby improving the application range of the machine head and improving the efficiency of pipe jacking construction.

[0004] The purpose of the present application is achieved by the following technical solutions:

[0005] The adaptive pipe intelligent excavating machine head comprises a fixed cylinder, a movable cylinder, a movable frame, a cutter head and a cutter compartment, the inside of the fixed cylinder is provided with a support frame, the front side of the support frame is provided with a support lug, the movable cylinder is funnel-shaped, the small-diameter section of the movable cylinder extends into the fixed cylinder, the diameter-reducing section of the movable cylinder is connected to the support lug through a hinge, the outer wall of the flat large-diameter end of the movable cylinder is in sealed communication with the outer wall of the fixed cylinder through a bellows, the support frame is provided with a hydraulic rod connected to the hinge and used for adjusting the angle of the movable cylinder, the movable frame is rotatably installed in the inside of the movable cylinder, the middle part of the support frame is provided with a motor, the transmission shaft passes through the movable cylinder and is connected to the output shaft of the motor through a universal coupling, the cutter head is installed at the end of the transmission shaft, the cutter compartment is installed between the cutter head and the support frame, the movable cylinder is provided with a rotary bearing seat supporting the cutter compartment, a plurality of cutting tool heads for cutting soil and a plurality of crushing tool heads for crushing rocks are uniformly installed in the cutter compartment, the cutter head is provided with a mounting groove corresponding to the cutting tool head and the crushing tool head, the cutter compartment is further provided with a tool changing mechanism for enabling the cutting tool head or the crushing tool head to participate in excavation, the cutter head comprises a fixed disc and a movable disc, the fixed disc is fixedly connected to the transmission shaft, the movable disc is sleeved outside the fixed disc, the cutting tool head is installed on the fixed disc, and the crushing tool head is installed on the movable disc.

[0006] The middle part of the movable cylinder is provided with a shaft sleeve supporting the transmission shaft, the inner wall of the movable cylinder on one side of the shaft sleeve is provided with a conical grinding disc, the outer wall of the movable frame is machined with grinding teeth matched with the grinding disc, and the movable cylinder below the grinding disc is machined with a sludge storage tank, wherein a sludge pump and a sludge discharge pipe are installed in the sludge storage tank.

[0007] The cutter compartment is provided with a soil discharge groove, adjacent cutter compartments are provided with a storage cylinder storing the cutting tool head and a storage compartment storing the crushing tool head, the inside of the storage cylinder is provided with an extension rod connected to the cutting tool head, the end of the cutting tool head is machined with a tool seat matched with and aligned with the mounting groove, the storage compartment is rectangular, the side wall close to the transmission shaft is parallel to the axial direction, and a tool changer is installed in the storage compartment, the tool changer comprises a push rod, a push block, a sliding block, a flexible shaft and a quick coupling, the push rod is installed on the side wall away from the transmission shaft, the push block is installed on the output end of the transmission shaft, the push rod drives the push block to move along the radial direction of the machine head, two sliding blocks are connected to the two sides of the sliding block through a jacking rod, the two sliding blocks are close to or away from each other when the sliding block moves, the middle part of the push block is provided with a rotatable flexible shaft, the two ends of the flexible shaft are connected to the sliding blocks, the flexible shaft close to the cutter head is connected with the crushing tool head, and the other end is provided with a quick coupling.

[0008] The storage compartment is machined with a limiting groove for guiding the sliding block and the push block.

[0009] The cutter bin is provided with a plurality of planetary gears and a gear ring arranged around a transmission shaft at one end close to the movable frame, the transmission shaft is provided with a sun gear engaged with the planetary gears, the gear ring is engaged with the planetary gears, the cutter bin is provided with an avoiding groove for rotation of the planetary gears and the gear ring and a cover plate for sealing the avoiding groove, a disc brake lock is arranged in the avoiding groove to lock the gear ring, the disc brake lock is arranged on a rotary disc bearing seat, and the planetary gears are provided with a quick connection seat at one end close to the quick coupling.

[0010] The transmission shaft is provided with an electric slip ring connected with the cutter bin, and the electric slip ring provides signal transmission and energy transmission for the telescopic rod, the push rod and the disc brake lock.

[0011] The storage cylinder and the storage bin are both sealed by a corrugated sleeve.

[0012] The self-adaptive pipe jacking intelligent excavating machine head provided by the application has the following beneficial effects:

[0013] (1) The cutter bin is arranged in the machine head, the corresponding cutting tool head or crushing tool head can be replaced according to the geological conditions of excavation, the adaptability of the machine head to complex environments is greatly improved, and the efficiency of pipe jacking construction is effectively improved;

[0014] (2) The grinding disc and the grinding gear are arranged on the movable cylinder and the support frame, the excavated soil can be finely crushed, the excavated soil can be discharged in the form of slurry by cooperating with the slurry system of the pipe jacking machine, the crushed stone can be crushed, the size of the crushed stone is prevented from being too large to affect the pipe jacking, and the operation space is left for the pipe jacking;

[0015] (3) The storage cylinder and the storage bin are arranged, the corresponding storage environment can be provided for the cutting tool head and the crushing tool head with different excavation characteristics, and the adaptability of the machine head to different environments is ensured;

[0016] (4) The planetary gears and the gear ring are arranged on the cutter bin, a planetary reduction mechanism is formed, and the milling of the cutting tool head and the rotation of the crushing tool head can be met by cooperating with the tool changing mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the application, and should not be regarded as a limitation to the scope, and other related drawings can be obtained by those skilled in the art without creative labor on the premise of not paying creative labor.

[0018] Figure 1 The structural schematic diagram provided for the embodiments of the application.

[0019] Figure 2A side view structure schematic diagram provided by the embodiment of the present application.

[0020] Figure 3 A structure schematic diagram inside the movable cylinder provided by the embodiment of the present application.

[0021] Figure 4 A connection schematic diagram inside the crushing cutter head provided by the embodiment of the present application.

[0022] Reference signs: 1, fixed cylinder; 11, support frame; 12, motor; 13, support lug; 14, hinge; 15, hydraulic rod; 2, movable cylinder; 21, shaft sleeve; 22, grinding disc; 23, sediment storage tank; 24, rotary disc bearing seat; 3, movable frame; 31, grinding tooth; 32, transmission shaft; 33, universal coupling; 4, cutter head; 41, fixed disc; 42, movable disc; 43, mounting groove; 5, cutter compartment; 51, soil discharge groove; 52, storage cylinder; 53, telescopic rod; 54, cutter seat; 55, storage compartment; 56, avoidance groove; 57, cover plate; 6, cutter changer; 61, push rod; 62, push block; 63, sliding block; 64, jacking rod; 65, flexible shaft; 66, quick coupling; 67, limiting groove; 68, corrugated sleeve; 7, planetary gear; 71, sun gear; 72, gear ring; 73, disc brake lock; 74, quick connector seat; 8, electric slip ring; 9, cutting cutter head; 10, crushing cutter head. DETAILED DESCRIPTION

[0023] EMBODIMENT

[0024] As Figures 1-4As shown, the self-adaptive pipe jacking intelligent heading machine head provided by the embodiment comprises a fixed cylinder 1, a movable cylinder 2, a movable frame 3, a cutter head 4 and a cutter compartment 5, the inside of the fixed cylinder 1 is provided with a support frame 11, the front side of the support frame 11 is provided with a support lug 13, the movable cylinder 2 is funnel-shaped, the small-diameter section of the movable cylinder 2 extends into the fixed cylinder 1, the large-diameter end of the movable cylinder 2 is connected to the support lug 13 through a hinge 14, the outer wall of the large-diameter end of the movable cylinder 2 is in sealed communication with the outer wall of the fixed cylinder 1 through a bellows, under the action of the bellows, the outer wall of the machine head can be ensured to be flush, thereby having good passability, the support frame 11 is provided with a hydraulic rod 15 connected to the hinge 14 and used for adjusting the angle of the movable cylinder 2, the heading direction of the machine head can be finely adjusted through the hydraulic rod 15, so as to ensure that the pipe jacking is along the set direction, the movable frame 3 is rotatably installed in the inside of the movable cylinder 2, the movable frame 3 is provided with a transmission shaft 32 in the middle, the support frame 11 is provided with a motor 12 in the middle, the transmission shaft 32 passes through the movable cylinder 2 and is connected to the output shaft of the motor 12 through a universal joint 33, the cutter head 4 is installed at the end of the transmission shaft 32, the cutter compartment 5 is installed between the cutter head 4 and the support frame 11, the movable cylinder 2 is provided with a rotary bearing seat 24 supporting the cutter compartment 5, a plurality of cutting tool heads 9 for cutting soil and a plurality of broken tool heads 10 for breaking rocks are uniformly installed in the cutter compartment 5, the cutting tool heads 9 are fixedly installed, the cutting tool heads 9 are followed by the cutter head 4 to rotate for excavation and processing, while the broken tool heads 10 rotate, they also self-rotate, the plurality of broken tool heads 10 cooperate with each other to crush rocks, the cutter head 4 is provided with an installation groove 43 corresponding to the cutting tool heads 9 and the broken tool heads 10, the installation groove 43 is used for limiting the tool heads, a tool changing mechanism for enabling the cutting tool heads 9 or the broken tool heads 10 to participate in excavation is also installed in the cutter compartment 5, through the tool changing mechanism, different tool heads can be switched according to different geological environments to complete the heading operation, thereby ensuring the efficiency of the pipe jacking process.

[0025] In order to facilitate the discharge of silt, as shown in the drawings, Figure 3 As shown, the movable cylinder 2 is provided with a shaft sleeve 21 supporting the transmission shaft 32 in the middle, a conical grinding disc 22 is installed on the inner wall of the movable cylinder 2 on one side of the shaft sleeve 21, the outer wall of the movable frame 3 is processed with grinding teeth 31 in gap cooperation with the grinding disc 22, the movable cylinder 2 below the grinding disc 22 is processed with a silt storage groove 23, a silt pump and a silt discharge pipe are installed in the silt storage groove 23, during the pipe jacking process, the movable frame 3 moves relative to the movable cylinder 2, cooperates with the mud system of the pipe jacking machine, and discharges the soil in the form of mud, thereby providing space for subsequent pipe jacking, the mud system is prior art, the present patent does not involve the improvement of the mud system, so it will not be described here.

[0026] In order to adapt to different needs, as shown in the drawings, Figure 2As shown, the cutter compartment 5 is provided with a soil discharge chute 51, which is a channel for soil flowing between the grinding disc 22 and the grinding teeth 31. Adjacent to the cutter compartment 5, a storage cylinder 52 for storing the cutting tool bit 9 and a storage compartment 55 for storing the crushing tool bit 10 are installed. The inside of the storage cylinder 52 is provided with a telescopic rod 53 connected with the cutting tool bit 9. The end of the cutting tool bit 9 is processed to have a tool seat 54 which is adapted to and aligned with the installation groove 43. Since the cutting tool bit 9 is fixedly installed, it only needs the telescopic rod 53 to drive the tool seat 54 to be clamped into the installation groove 43, and then the cutting tool bit 9 is rotated by the cutter head 4. Since the crushing tool bit 10 is for processing rocks, in order to improve the crushing efficiency, the crushing tool bit 10 also needs to rotate when following the cutter head 4 to rotate, and the adjacent crushing tool bits 10 cooperate with each other to crush rocks. Therefore, the storage compartment 55 is rectangular, and the side wall close to the transmission shaft 32 is parallel to the axial direction. The storage compartment 55 is provided with a tool changer 6. The tool changer 6 includes a push rod 61, a push block 62, a sliding block 63, a flexible shaft 65 and a quick coupling 66. The push rod 61 is installed on the side wall away from the transmission shaft. The push block 62 is installed on the output end of the transmission shaft 32. The push rod 61 drives the push block 62 to move along the radial direction of the machine head. The storage compartment 55 is processed to have a limiting groove 67 for guiding the sliding block 63 and the push block 62. Two sliding blocks 63 are connected on both sides of the sliding block 63 through a jacking rod 64. When the sliding block 63 moves, the two sliding blocks 63 move close to or away from each other. The middle of the push block 62 is provided with a rotatable flexible shaft 65. The two ends of the flexible shaft 65 are connected to the sliding block 63. The crushing tool bit 10 is connected to the flexible shaft 65 close to the cutter head 4. The other end is provided with a quick coupling 66. The cutter compartment 5 is provided with a plurality of planetary gears 7 and a gear ring 72 close to the movable frame 3. The transmission shaft 32 is provided with a sun gear 71 engaged with the plurality of planetary gears 7. The gear ring 72 is engaged with the plurality of planetary gears 7. The cutter compartment 5 is processed to have an avoiding groove 56 for the rotation of the planetary gears 7 and the gear ring 72, and a cover plate 57 for sealing the avoiding groove 56. The avoiding groove 56 is provided with a disc brake lock 73 for locking the gear ring 72. The disc brake lock 73 is installed on the rotating disc bearing seat 24. When the disc brake lock 73 locks the gear ring 72, the planetary gears 7 will also rotate when following the transmission shaft 32 to rotate, and then drive the crushing tool bit 10 to rotate, so as to complete the crushing of the rock. When the disc brake lock 73 releases the gear ring 72, the gear ring 72 and the planetary gears 7 will rotate together following the transmission shaft 32, so as not to rotate. The end of the planetary gear 7 close to the quick coupling 66 is provided with a quick connection seat 74. The quick connection seat 74 can be quickly connected with the quick coupling 66, so as to ensure the smooth switching of the tool.

[0027] The cutter head 4 comprises a fixed disc 41 and a movable disc 42, the fixed disc 41 is fixedly connected to the transmission shaft 32, the movable disc 42 is sleeved outside the fixed disc 41, the cutting tool head 9 is installed on the fixed disc 41, the cutting tool head 9 is small in volume and is installed on the inner side, and the cutting tool head 9 can be driven by smaller force, and the crushing tool head 10 is installed on the movable disc 42, the crushing tool head 10 needs a larger installation space, and the crushing tool head 10 is installed on the movable disc 42 with a larger space.

[0028] In order to facilitate replacement of the tool head, the transmission shaft 32 is provided with an electric slip ring 8 connected with the tool magazine 5, the electric slip ring 8 provides signal transmission and energy transmission for the telescopic rod 53, the push rod 61 and the disc brake lock 73, and the electric slip ring 8 is also used for transmitting data collected by a soil sensor installed on the cutter head 4, so as to provide a reference signal for replacement of the tool head.

[0029] The storage cylinder 52 and the storage bin 55 for storing the crushing tool head are both sealed through the corrugated sleeve 68.

[0030] The use method of the cutter head automatic replacement device is as follows:

[0031] In use, the pipe jacking machine performs pipe jacking operation, when the machine head moves to the soil layer, the tool changer 6 drives the crushing tool head 10 to retract, and the telescopic rod 53 drives the cutting tool head 9 to be clamped into the installation groove 43, under the driving of the cutter head 4, rapid excavation is realized, when the telescopic rod 53 retracts, the tool changer 6 expands, the crushing tool head 10 is pushed into position, and the disc brake lock 73 clamps the column gear ring 72, so that the crushing tool head 10 can rotate when the tool magazine 5 rotates, so as to complete the crushing of the rock, different tool heads are used to cope with different geology, the excavation efficiency can be greatly improved, and the tool head can be automatically replaced, and the operation is more convenient.

[0032] The above only describes the preferred embodiments of the present application, but the protection scope of the present application is not limited to this, any modification and replacement based on the technical solutions and inventive concepts provided by the present application should be covered in the protection scope of the present application. It should be noted that the structures or components shown in the drawings are not necessarily drawn to scale, and the present application omits the description of the known components and processing technologies and processes, so as to avoid unnecessary limitation of the present application.

Claims

1. An adaptive pipe jacking intelligent heading machine head, characterized in that: Including fixed cylinder (1), movable cylinder (2), movable frame (3), cutter head (4) and cutter compartment (5), the inside of fixed cylinder (1) is installed with support frame (11), support ear (13) is installed on the front side of support frame (11), movable cylinder (2) is funnel-shaped, the small diameter section of movable cylinder (2) is inserted into fixed cylinder (1), the collecting diameter section of movable cylinder (2) is connected on support ear (13) by hinge (14), the outer wall of the flat large diameter end of movable cylinder (2) is sealed and communicated with the outer wall of fixed cylinder (1) by bellows, hydraulic rod (15) for adjusting the angle of movable cylinder (2) is installed on support frame (11) and is connected with hinge (14), movable frame (3) is rotatably installed in the inside of movable cylinder (2), transmission shaft (32) is installed in the middle of movable frame (3), motor (12) is installed in the middle of support frame (11), transmission shaft (32) passes through movable cylinder (2) and is connected with the output shaft of motor (12) by universal coupling (33) after the rear, cutter head (4) is installed at the end of transmission shaft (32), cutter compartment (5) is installed between cutter head (4) and support frame (11), rotary table bearing seat (24) for supporting cutter compartment (5) is installed on movable cylinder (2), a plurality of cutting tool bits (9) for dividing soil body and a plurality of broken rock breaking tool bits (10) are uniformly installed in cutter compartment (5), cutter head (4) is provided with installation slot (43) corresponding to cutting tool bit (9) and broken tool bit (10), the cutter compartment (5) is also provided with a tool changing mechanism for enabling cutting tool bit (9) or broken tool bit (10) to participate in excavation, the cutter head (4) includes fixed disc (41) and movable disc (42), the fixed disc (41) is fixedly connected on transmission shaft (32), the movable disc (42) is sleeved on the outside of fixed disc (41), the cutting tool bit (9) is installed on fixed disc (41), and the broken tool bit (10) is installed on movable disc (42).

2. The adaptive pipe jacking smart jumbo head of claim 1, wherein: The middle of movable cylinder (2) is installed with shaft sleeve (21) for supporting transmission shaft (32), the inner wall of movable cylinder (2) on one side of shaft sleeve (21) is installed with conical grinding disc (22), the outer wall of movable frame (3) is processed with grinding teeth (31) gap matched with grinding disc (22), the movable cylinder (2) below grinding disc (22) is processed with silt storage tank (23), silt pump and silt discharge pipe are installed in silt storage tank (23).

3. The adaptive pipe jacking smart jumbo head of claim 1, wherein: The cutter bin (5) is provided with a soil discharge groove (51), adjacent cutter bins (5) are provided with a storage cylinder (52) for storing cutting tool bits (9) and a storage bin (55) for storing crushing tool bits (10), the inside of the storage cylinder (52) is provided with a telescopic rod (53) connected with the cutting tool bit (9), the end of the cutting tool bit (9) is processed with a tool seat (54) matched with and aligned with the mounting groove (43), the storage bin (55) is rectangular, and the side wall close to the transmission shaft (32) is parallel to the axial direction, the storage bin (55) is provided with a tool changer (6), the tool changer (6) comprises a push rod (61), a push block (62), a sliding block (63), a flexible shaft (65) and a quick coupling (66), the push rod (61) is installed on the side wall away from one end of the transmission shaft (32), the push block (62) is installed on the output end of the transmission shaft (32), the push rod (61) drives the push block (62) to move in the radial direction of the machine head, two sliding blocks (63) are connected on the two sides of the sliding block (63) through a jacking rod (64), when the sliding block (63) moves, the two sliding blocks (63) are close to or away from each other, the middle of the push block (62) is provided with a rotatable flexible shaft (65), the two ends of the flexible shaft (65) are connected to the sliding blocks (63) respectively, the flexible shaft (65) close to the cutter head (4) is connected with the crushing tool bit (10), and the other end is provided with the quick coupling (66).

4. The adaptive pipe jacking smart jacking-in head of claim 3, wherein: The storage bin (55) is processed with a limiting groove (67) for guiding the sliding block (63) and the push block (62).

5. The adaptive pipe jacking smart jumbo head of claim 3, wherein: The cutter bin (5) is provided with a plurality of planetary gears (7) and a gear ring (72) arranged around the transmission shaft (32) at one end close to the movable frame (3), the transmission shaft (32) is provided with a sun gear (71) engaged with the plurality of planetary gears (7), the gear ring (72) is engaged with the plurality of planetary gears (7), the cutter bin (5) is processed with an avoidance groove (56) for the rotation of the planetary gears (7) and the gear ring (72) and a cover plate (57) for sealing the avoidance groove (56), the avoidance groove (56) is provided with a disc brake lock (73) for locking the gear ring (72), the disc brake lock (73) is installed on the rotating disc bearing seat (24), and the planetary gear (7) is provided with a quick connection seat (74) at one end close to the quick coupling (66).

6. The adaptive pipe jacking smart jumbo head of claim 5, wherein: The transmission shaft (32) is provided with an electric slip ring (8) connected with the cutter bin (5), the electric slip ring (8) provides signal transmission and energy transmission for the telescopic rod (53), the push rod (61) and the disc brake lock (73).

7. The adaptive pipe jacking smart jumbo head of claim 3, wherein: The storage cylinder (52) and the storage bin (55) are sealed by a corrugated sleeve (68).

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