CN113305550A - Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method - Google Patents
Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method Download PDFInfo
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- CN113305550A CN113305550A CN202110757639.4A CN202110757639A CN113305550A CN 113305550 A CN113305550 A CN 113305550A CN 202110757639 A CN202110757639 A CN 202110757639A CN 113305550 A CN113305550 A CN 113305550A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000005641 tunneling Effects 0.000 title claims description 18
- 229910000831 Steel Inorganic materials 0.000 claims description 24
- 239000010959 steel Substances 0.000 claims description 24
- 238000003466 welding Methods 0.000 claims description 6
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 230000008602 contraction Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses a hydraulic disassembling system and a using method of a rear matched wheel set of a shield machine, wherein the system comprises a preparation platform, a rubber pipe assembly, a hydraulic cylinder, an operating platform and a pump source device, the operating platform comprises a bottom platform, a rotary arm pin shaft, an upright post, a rotary arm lug seat, a rotary arm sleeve, a rotary arm, a chain block and a limit baffle, and the preparation platform is placed on one side of the bottom platform; the upright post is welded on the upper surface of the bottom platform; two rotary arm lug seats are welded on the upright post, and a rotary arm sleeve is arranged between the two rotary arm lug seats; one end of the rotary arm is welded at the center of the cylindrical surface of the sleeve of the rotary arm, and the other end of the rotary arm is welded with a limit baffle; the chain block is arranged on the rotary arm, the pump source device is arranged at the position of the preparation platform or the operation platform close to the workpiece, and the rubber pipe assembly is connected with the hydraulic cylinder. The invention has firm structure, reduces the damage to parts by using the hydraulic cylinder to disassemble the wheel to the pin shaft, improves the maintenance efficiency, reduces the cost and improves the safety.
Description
Technical Field
The invention relates to a guide wheel for a rear matched wheel set of a shield tunneling machine, a pin shaft dismounting system of the guide wheel and a pin shaft dismounting system and a use method of the guide wheel, and belongs to the field of maintenance of the rear matched wheel set of the shield tunneling machine.
Background
The shield machine is a special tunneling machine for tunnels and is widely applied to tunnel engineering of subways, railways, highways, municipal administration, hydropower and the like. The wheel set device is used as a wheel set for moving and guiding a trailer of the shield tunneling machine and is an important component of the wheel set device. The following problems exist when the existing wheel set device is disassembled and overhauled: 1) after construction is finished, a part of wheel sets rust or slightly deform the pin shafts, and the pin shafts are difficult to take out of the wheel sets by adopting the traditional manual knocking mode and the like; 2) in the traditional disassembly mode, a rust remover is often required to be sprayed at the joint of the pin shaft and the wheel to pretreat a rusted part, and a workpiece is easily damaged in the process of knocking the pin shaft, so that the period is long, the efficiency is low, and the economy is poor; 3) because the wheel set device can not be effectively fixed, the workpiece is easy to topple or shift in the dismounting process, and safety risk is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hydraulic dismounting system for a rear matched wheel pair of a shield tunneling machine and a using method thereof aiming at the defects in the prior art.
In order to solve the technical problem, the invention provides a hydraulic disassembling system for a rear matched wheel set of a shield machine, which comprises a preparation platform, a rubber tube assembly, a hydraulic cylinder, an operating platform and a pump source device, wherein the operating platform comprises a bottom platform, a rotary arm pin shaft, an upright post, a rotary arm lug seat, a rotary arm sleeve, a rotary arm, a chain block and a limiting baffle plate; the upright post is welded and fixed on the upper surface of the bottom platform near the center of the narrow side; the two rotary arm ear seats are welded on the upright post, and the rotary arm sleeve is arranged between the two rotary arm ear seats through a rotary arm pin shaft; one end of the rotary arm is welded at the center of the cylindrical surface of the rotary arm sleeve, and the other end of the rotary arm is welded with a limit baffle; the chain block is arranged on the rotary arm, the pump source device is arranged at the position of the preparation platform or the operation platform close to the workpiece, and the rubber pipe assembly is connected with the hydraulic cylinder.
The operation platform also comprises a front baffle and a rear baffle, one side of the front baffle, which is close to the upright post, is welded on the upper surface of the bottom platform, the steel plate plane is parallel to the long side surface of the bottom platform, and the steel plate plane and the long side surface are arranged in parallel according to the size of the wheel pair device; the rear baffle is welded on the upper surface of the bottom platform, and the plane and the thickness surface are parallel to the front baffle; the distance between the rear baffle and the front baffle is the sum of the axial sizes of the hydraulic cylinder and the pin shaft.
The pump source device comprises an oil tank, a pump device, an overflow valve, a pressure gauge and a reversing valve, wherein the oil tank is a cuboid container welded by steel plates, component mounting holes are formed in the oil tank, and the pump device, the overflow valve, the pressure gauge and the reversing valve are mounted in the oil tank.
The rubber pipe assembly is composed of a rubber pipe buckling sleeve and a rubber pipe joint.
The hydraulic cylinder is a single-stage hydraulic cylinder, and the diameter of a piston rod is slightly smaller than that of a wheel shaft.
The preparation platform and the bottom platform are rectangular platforms formed by welding steel structure frames with channel steel and welding steel plates on the side surfaces and the top surface.
The invention also provides a use method of the hydraulic disassembly system for the rear matched wheel set of the shield tunneling machine, which comprises the following steps:
1) firstly, placing a wheel set device to be disassembled on a preparation platform, and placing a rubber tube assembly, a hydraulic cylinder and a pump source device at proper positions for standby;
2) using a chain block to lift the wheel set device on the preparation platform, rotating a rotary arm, simultaneously adjusting the position of the chain block, transferring the wheel set device to an operation platform, after adjusting the position, using the chain block to put down the wheel set device, so that the lower plane of a wheel set bottom plate is superposed with the upper plane of a bottom platform, the outer side surface of the side with a hole of a wheel set bracket is superposed with the thickness surface of a front baffle, and the cylindrical center line of a wheel set pin shaft is aligned with a rear baffle;
3) hoisting the hydraulic cylinder by using a chain block, rotating the rotary arm and adjusting the position of the chain block to enable a rod face piston rod of the hydraulic cylinder to be aligned with a wheel pair pin shaft, and enabling a non-rod face to be superposed with the thickness surface of the rear baffle;
4) starting a pump device, rotating the reversing valve to the extending direction of a piston rod of the hydraulic cylinder, and ejecting the wheel pair pin shaft;
5) and (4) after the wheels and the wheel pair pin shafts are disassembled, the reversing valve is rotated to the contraction direction of the piston rod of the hydraulic cylinder, the workpiece is hoisted away, the steps are repeated, and the rest wheel pair devices are disassembled.
The preparation platform in step 1) above may be placed with not only one wheel set device and other tools, but also a pump source device as appropriate.
If the pressure of the hydraulic cylinder is insufficient in the step 4), the overflow valve can be adjusted, the system pressure is properly increased, and if the indication of the pressure gauge exceeds the nominal pressure of the system, the wheel pair pin shaft is required to be derusted.
Has the advantages that: the wheel set device is a platform integrated structure, has high integrity and firm structure, is flexible in pump source device arrangement, and can prepare, hoist and fix the wheel set device simply, conveniently and efficiently. Compared with the traditional manual disassembly, the wheel pair pin shaft is disassembled by using the hydraulic cylinder, the disassembling speed and precision are improved, the labor intensity is reduced while the labor time is reduced, the damage to parts is reduced, the maintenance efficiency is improved, the cost is reduced, and meanwhile, the safety is greatly improved.
Drawings
FIG. 1 is a front view of the present invention in a schematic configuration;
FIG. 2 is a schematic top view of the structure of the present invention;
FIG. 3 is a schematic top view of the present invention in use;
FIG. 4 is a schematic front view of the present invention in use;
fig. 5 is a hydraulic schematic of the present invention.
In the figure: the device comprises a preparation platform 1, a bottom platform 2, a rotary arm pin shaft 3, a front baffle 4, a rear baffle 5, an upright post 6, a rotary arm lug seat 7, a rotary arm sleeve 8, a rotary arm 9, a chain block 10, a limit baffle 11, an oil tank 12, a pump device 13, an overflow valve 14, a pressure gauge 15, a reversing valve 16, a rubber tube assembly 17, a hydraulic cylinder 18, an operation platform 19 and a pump source device 20.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-5, the invention provides a hydraulic dismantling system for a rear matching wheel set of a shield tunneling machine, which comprises a preparation platform 1, a rubber tube assembly 17, a hydraulic cylinder 18, an operating platform 19 and a pump source device 20, wherein the operating platform 19 comprises a bottom platform 2, a revolving arm pin shaft 3, an upright post 6, a revolving arm ear seat 7, a revolving arm sleeve 8, a revolving arm 9, a chain block 10 and a limit baffle 11, and the preparation platform 1 is placed on one side of the long side surface of the bottom platform 2; the upright post 6 is H-shaped steel and is welded and fixed at the central position of the upper surface of the bottom platform 2 close to the narrow side; the rotary arm ear seats 7 are rectangular steel plates, a rotary arm pin shaft round hole is drilled in the center of each steel plate, the two rotary arm ear seats 7 are welded on the upright post 6, one rotary arm ear seat is flush with the upper end face of the upright post 6, the other rotary arm ear seat is welded below the upright post 6, and a space for installing a rotary arm sleeve 8 is reserved; the rotary arm sleeve 8 is made of round steel, a pin hole is drilled in the center of a circular surface, and the rotary arm sleeve 8 is arranged between the two rotary arm lug seats 7 through a rotary arm pin shaft 3; the rotary arm 9 is H-shaped steel, one end of the rotary arm is welded at the center of the cylindrical surface of the rotary arm sleeve 8, and the other end of the rotary arm is welded with a limit baffle 11; the chain block 10 is arranged on the rotary arm 9, the pump source device 20 is arranged at the position of the preparation platform 1 or the operation platform 19 close to the workpiece, and is connected with the hydraulic cylinder 18 by the rubber pipe assembly 17.
The operating platform 19 further comprises a front baffle 4 and a rear baffle 5 which are rectangular steel plates; the front baffle 4 is welded on the upper surface of the bottom platform 2 at one side close to the upright post 6, the steel plate plane is parallel to the long side surface of the bottom platform 2, and the steel plate plane and the long side surface are arranged in parallel according to the size of the wheel set device 25; the rear baffle 5 is welded on the upper surface of the bottom platform 2, and the plane and the thickness surface are parallel to the front baffle 4; the distance between the rear baffle 5 and the front baffle 4 is the sum of the axial dimensions of the hydraulic cylinder 18 and the pin 23, depending on the dimensions of the wheelset 25 and the hydraulic cylinder 18.
The pump source device 20 comprises an oil tank 12, a pump device 13, an overflow valve 14, a pressure gauge 15 and a reversing valve 16, wherein the oil tank 12 is a cuboid container welded by steel plates and provided with component mounting holes, and the pump device 13, the overflow valve 14, the pressure gauge 15 and the reversing valve 16 are mounted in the oil tank 12.
The rubber pipe assembly 17 is a rubber pipe withholding sleeve and a rubber pipe joint.
The hydraulic cylinder 18 is a single-stage hydraulic cylinder, and the diameter of a piston rod is slightly smaller than that of the wheel shaft 23.
The preparation platform 1 and the bottom platform 2 are rectangular platforms formed by welding steel structure frames with channel steel and welding steel plates on the side surfaces and the top surfaces.
The invention also provides a use method of the hydraulic disassembly system for the rear matched wheel set of the shield tunneling machine, which comprises the following steps:
1) firstly, placing a wheel set device 25 to be disassembled on a preparation platform 1, and placing a rubber pipe assembly 17, a hydraulic cylinder 18 and a pump source device 20 at proper positions for standby;
2) hoisting the wheel set device 25 on the preparation platform 1 by using a chain block 10, rotating the rotary arm 9, adjusting the position of the chain block 10 at the same time, transferring the wheel set device 25 to an operation platform 19, after adjusting the position, putting down the wheel set device 25 by using the chain block 10 to ensure that the lower plane of a wheel set bottom plate 24 is superposed with the upper plane of a bottom platform 2, the outer side surface of the side with a hole of a wheel set bracket 21 is superposed with the thickness surface of a front baffle 4, and the cylindrical central line of a wheel set pin shaft 23 is aligned with a rear baffle 5;
3) hoisting the hydraulic cylinder 18 by using a chain block 10, rotating the rotary arm 9 and adjusting the position of the chain block, so that a rod face piston rod of the hydraulic cylinder 18 is aligned with a wheel pair pin shaft 23, and a rodless face is superposed with the thickness face of the rear baffle 5;
4) starting the pump device 13, rotating the reversing valve 16 to the extending direction of the piston rod of the hydraulic cylinder 18, and ejecting the wheel pair pin shaft 23;
5) and (3) after the wheel 22 and the wheel pair pin shaft 23 are disassembled, the reversing valve 16 is rotated to the contraction direction of the piston rod of the hydraulic cylinder 18, the workpiece is hoisted away, the steps are repeated, and the rest wheel pair devices 25 are disassembled.
The preparation platform 1 in step 1) above may be provided with not only one wheelset 25 and other tools, but also the pump source unit 20, as appropriate.
If the pressure of the hydraulic cylinder 18 is insufficient in the step 4), the overflow valve 14 can be adjusted, the system pressure is properly increased, and if the reading of the pressure gauge 15 exceeds the nominal pressure of the system, the wheel pair pin shaft 23 is required to be subjected to rust removal.
The wheel set device fixing device can fix the wheel set device simply, conveniently and efficiently, and the wheel set pin shaft 23 is disassembled by using the hydraulic cylinder, so that the wheel set device is convenient to overhaul. The bottom platform 2, the upright post 6, the rotary arm lug seat 7, the rotary arm sleeve 8, the rotary arm 9, the chain block 10 and the limit baffle 11 are of an integrated structure, the integrity is high, the structure is firm, and the integrated hydraulic system has stronger compression resistance, tensile resistance and deformation resistance effects, is integrated integrally, has lighter weight and can be flexibly arranged as required; compared with the traditional manual disassembly, the hydraulic cylinder greatly improves the pressure of the pair of wheels on the end surface of the pin shaft, so that the wheel pair pin shaft which is seriously corroded or slightly deformed and difficult to disassemble can be easily taken out, the pressure of the hydraulic cylinder is concentrated, the damage of the wheel pair pin shaft caused by uneven stress due to knocking of a blunt tool can be avoided, the disassembly speed and the disassembly precision are improved, the labor time is reduced, the labor intensity is reduced, and the damage of a workpiece is reduced; the front baffle and the rear baffle are arranged in the front and the rear of the workpiece on the platform, so that the front and the rear and the left and right sliding is avoided, the workpiece is more convenient to disassemble, and the workpiece damage and the potential safety hazard caused by the sliding or toppling of the workpiece are avoided.
The platform of the invention has simple operation, greatly reduces the number of personnel required for disassembly compared with the prior art, reduces labor intensity while reducing labor time, improves disassembly efficiency and reduces cost.
The above-described embodiments of the invention are intended to be illustrative only and are not intended to be limiting, as all changes that come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (9)
1. The utility model provides a supporting wheel pair hydraulic pressure system of dismantling behind shield constructs machine which characterized in that: the device comprises a preparation platform (1), a rubber tube assembly (17), a hydraulic cylinder (18), an operating platform (19) and a pump source device (20), wherein the operating platform (19) comprises a bottom platform (2), a rotary arm pin shaft (3), an upright post (6), a rotary arm ear seat (7), a rotary arm sleeve (8), a rotary arm (9), a chain block (10) and a limit baffle (11), and the preparation platform (1) is placed on one side of the long side face of the bottom platform (2); the upright post (6) is welded and fixed on the upper surface of the bottom platform (2) close to the center of the narrow side; two rotary arm ear seats (7) are welded on the upright post (6), and a rotary arm sleeve (8) is arranged between the two rotary arm ear seats (7) through a rotary arm pin shaft (3); one end of the rotary arm (9) is welded at the center of the cylindrical surface of the rotary arm sleeve (8), and the other end is welded with a limit baffle (11); the chain block (10) is arranged on the rotary arm (9), the pump source device (20) is arranged at the position of the preparation platform (1) or the operation platform (19) close to the workpiece, and is connected with the hydraulic cylinder (18) through the rubber pipe assembly (17).
2. The hydraulic dismounting system for the rear matched wheel pair of the shield tunneling machine according to claim 1, characterized in that: the operating platform (19) further comprises a front baffle (4) and a rear baffle (5), one side of the front baffle (4), which is close to the upright post (6), is welded on the upper surface of the bottom platform (2), the steel plate plane is parallel to the long side of the bottom platform (2), and the steel plate plane and the long side are arranged in parallel according to the size of the wheel pair device (25); the rear baffle (5) is welded on the upper surface of the bottom platform (2), and the plane and the thickness surface are parallel to the front baffle (4); the distance between the rear baffle (5) and the front baffle (4) is the sum of the axial sizes of the hydraulic cylinder (18) and the pin shaft (23).
3. The hydraulic dismounting system for the rear matched wheel pair of the shield tunneling machine according to claim 1, characterized in that: the pump source device (20) comprises an oil tank (12), a pump device (13), an overflow valve (14), a pressure gauge (15) and a reversing valve (16), wherein the oil tank (12) is a cuboid container welded by steel plates and is provided with a component mounting hole, and the pump device (13), the overflow valve (14), the pressure gauge (15) and the reversing valve (16) are mounted in the oil tank (12).
4. The hydraulic dismounting system for the rear matched wheel pair of the shield tunneling machine according to claim 1, characterized in that: the rubber pipe assembly (17) is a rubber pipe withholding sleeve and a rubber pipe joint.
5. The hydraulic dismounting system for the rear matched wheel pair of the shield tunneling machine according to claim 1, characterized in that: the hydraulic cylinder (18) is a single-stage hydraulic cylinder, and the diameter of a piston rod is slightly smaller than that of the wheel shaft (23).
6. The hydraulic dismounting system for the rear matched wheel pair of the shield tunneling machine according to any one of claims 1-5, characterized in that: the preparation platform (1) and the bottom platform (2) are rectangular platforms formed by welding steel structure frames with channel steel and welding steel plates on the side surfaces and the top surface.
7. The use method of the hydraulic shield tunneling machine rear matched wheel pair disassembling system according to any one of claims 1-6, is characterized by comprising the following steps:
1) firstly, a wheel set device (25) needing to be disassembled is placed on a preparation platform (1), and a rubber tube assembly (17), a hydraulic cylinder (18) and a pump source device (20) are placed at proper positions for standby;
2) a wheel set device (25) on the preparation platform (1) is hoisted by using a chain block (10),
rotating the revolving arm (9), adjusting the position of the chain block (10) at the same time, transferring the wheel set device (25) to the operating platform (19), after adjusting the position, using the chain block (10) to put down the wheel set device (25) to ensure that the lower plane of the wheel set bottom plate (24) is superposed with the upper plane of the bottom platform (2), the outer side surface of the side with a hole of the wheel set bracket (21) is superposed with the thickness surface of the front baffle (4), and the cylindrical central line of the wheel set pin shaft (23) is aligned with the rear baffle (5);
3) hoisting a hydraulic cylinder (18) by using a chain block (10), rotating a rotary arm (9) and adjusting the position of the chain block to ensure that a rod of the hydraulic cylinder (18) is aligned with a wheel pair pin shaft (23), and a non-rod surface is superposed with the thickness surface of the rear baffle (5);
4) starting a pump device (13), rotating a reversing valve (16) to the extending direction of a piston rod of a hydraulic cylinder (18), and ejecting a wheel pair pin shaft (23);
5) and (3) detaching the wheel (22) and the wheel pair pin shaft (23), then turning the reversing valve (16) to the contraction direction of the piston rod of the hydraulic cylinder (18), hoisting the workpiece away, repeating the steps, and detaching the rest wheel pair devices (25).
8. The use method of the hydraulic dismounting system for the rear matched wheel set of the shield tunneling machine according to claim 7, is characterized in that: the preparation platform (1) in the step 1) can be used for placing a wheel set device (25) and other tools which are not limited to one piece, and a pump source device (20) can also be placed on the preparation platform as appropriate.
9. The use method of the hydraulic dismounting system for the rear matching wheel set of the shield tunneling machine according to claim 7 or 8, is characterized in that: in the step 4), if the pressure of the hydraulic cylinder (18) is insufficient, the overflow valve (14) can be adjusted, the system pressure is properly increased, and if the indication of the pressure gauge (15) exceeds the nominal pressure of the system, the wheel pair pin shaft (23) is required to be subjected to rust removal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757639.4A CN113305550A (en) | 2021-07-05 | 2021-07-05 | Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110757639.4A CN113305550A (en) | 2021-07-05 | 2021-07-05 | Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method |
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| CN113305550A true CN113305550A (en) | 2021-08-27 |
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| CN202110757639.4A Pending CN113305550A (en) | 2021-07-05 | 2021-07-05 | Hydraulic disassembling system for rear matched wheel set of shield tunneling machine and using method |
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