Auxiliary installation device for floating seal of heading machine

Abstract

The invention relates to the technical field of heading machines, in particular to a heading machine floating seal auxiliary mounting device which comprises a base, a rotating table is fixedly mounted at the upper end of the base, a first adjusting mechanism is mounted at the upper end of the rotating table, and a third movable arm is rotatably mounted at the working end of the first adjusting mechanism; a rotating disc is rotationally installed at the front end of the third movable arm, and a clamping mechanism is installed at the front end of the rotating disc. And third adjusting mechanisms are installed at the left end and the right end of the third movable arm correspondingly, two sets of connecting rods which are symmetrically arranged are installed at the working ends of the third adjusting mechanisms, arc-shaped fixing clamps are fixedly connected to the front ends of the connecting rods, spring devices are fixedly installed on the connecting rods, and electromagnets are arranged between the multiple sets of connecting rods. The installation effect of the floating seal can be better, errors are smaller, error detection and secondary installation are achieved, errors are eliminated, damage to the floating seal is reduced, installation is more convenient and faster, and the installation is not affected by errors of sites, personnel and the like.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel boring machines, and in particular to a floating seal auxiliary installation device for tunnel boring machines. Background Art

[0002] In mechanized coal mining operations, the roadheader is one of the main mining equipment, and the tunnel is excavated through the rotary cutting of the cutting head. Since the cutting part of the roadheader often needs to be buried in mud and water when it is working, in order to prevent mud, water, dust, etc. from entering the rotating main shaft and protect the bearings and other parts inside the rotating main shaft, a cylindrical protective shell is required on the outside of the rotating main shaft. The rotating main shaft is installed in the protective shell. One end of the protective shell is fixedly connected to the main body of the roadheader, and the other end is connected to the rotating main shaft through a bearing for relative rotation. The end of the rotating main shaft connected to the cutting head is located outside the shell, and a sealing device is provided between the part of the rotating main shaft located outside the shell and the shell. In order to buffer the impact of the vibration of the cutting head during operation on the rotating main shaft, the sealing device is usually a floating sealing device.

[0003] However, when installing the floating seal, the floating seal often collides with the shaft due to the heavy weight of the floating seal, uneven force applied by workers and operating errors. Since the floating seal material is brittle, a slight collision will form a gap, causing the sealing surface to fail. The entire floating seal must be replaced, which is time-consuming and labor-intensive. In addition, the manual installation method is prone to errors, which affect the sealing effect. Summary of the invention

[0004] The purpose of the present invention is to solve the above-mentioned shortcomings in the prior art and to propose a floating seal auxiliary installation device for a tunnel boring machine.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A floating seal auxiliary installation device for a tunnel boring machine comprises a base, a rotating platform is fixedly installed on the upper end of the base, a first adjustment mechanism is installed on the upper end of the rotating platform, a third movable arm is rotatably installed on the working end of the first adjustment mechanism, a rotating seat is rotatably sleeved on the outer side of the third movable arm, a plurality of second adjustment mechanisms are fixedly installed at equal angles on the outer side wall of the rotating seat, a graduated hydraulic rod is installed on the working end of the second adjustment mechanism, and a rotating wheel is rotatably installed on the telescopic end of the graduated hydraulic rod;

[0007] A rotating disk is rotatably mounted at the front end of the third movable arm, a clamping mechanism is mounted at the front end of the rotating disk, and a plurality of arc-shaped inner clamping plates are mounted at the working end of the clamping mechanism;

[0008] A third adjusting mechanism is installed at both left and right ends of the third movable arm, and two groups of symmetrically arranged connecting rods are installed at the working end of the third adjusting mechanism. An arc-shaped fixing clamp is fixedly connected to the front end of the connecting rod, and a spring device is fixedly installed on the connecting rod. Electromagnets are arranged between multiple groups of connecting rods, and the electromagnets are fixedly connected to the spring device.

[0009] Preferably, a plurality of sets of universal wheels are fixedly mounted on the lower end of the base, and a self-locking device is mounted on the universal wheels.

[0010] Preferably, a retractable fixed foot is fixedly mounted on the lower end of the base.

[0011] Preferably, the first adjustment mechanism includes a protective shell fixedly mounted on the upper end of the rotating table, an adjustment assembly is arranged on the inner side of the protective shell, rotating shafts are fixedly mounted on the outer walls on both sides of the protective shell, a first movable arm is rotatably mounted on one end of the two rotating shafts away from the protective shell, a second movable arm is rotatably mounted on the front end of the first movable arm, an operating rod is fixedly mounted on the lower end of the second movable arm, and the front end of the second movable arm is rotatably connected to the third movable arm.

[0012] Preferably, the adjustment assembly includes a spherical universal shaft fixedly mounted on one side at the middle position of the upper end of the rotating platform, the top end of the spherical universal shaft is connected to the inner top wall of the first movable arm, and a first hydraulic press is rotatably mounted on the other side at the middle position of the upper end of the rotating platform, and the telescopic end of the first hydraulic press faces upward and is rotatably connected to the inner top wall of the first movable arm.

[0013] Preferably, the second adjustment mechanism comprises a lifting and fixing seat fixedly mounted on the rotating seat, a hydraulic cylinder is mounted on the working end of the lifting and fixing seat, and a telescopic end of the hydraulic cylinder is fixedly connected to a graduated hydraulic rod.

[0014] Preferably, the clamping mechanism includes a rotating disk rotatably mounted on the front end of the third movable arm, a driving wheel is rotatably mounted on the front end of the rotating disk, a plurality of driven wheels are meshingly connected around the driving wheel, the driven wheel is rotatably mounted on the rotating disk, the driving wheel is driven by a servo motor fixedly mounted inside the third movable arm, a fixed disk is arranged between the rotating disk and the driving wheel, one end of the driving wheel and the driven wheel close to the rotating disk both rotate and pass through the fixed disk, an extension rod is fixedly connected to one side of the driven wheel, and the end of the extension rod away from the driven wheel is fixedly connected to the arc-shaped inner clamping plate.

[0015] Preferably, the third adjustment mechanism includes a second hydraulic machine fixedly mounted on the third boom, the second hydraulic machine having two upper and lower telescopic ends, the upper and lower telescopic ends of the two second hydraulic machines are commonly fixedly connected to a fixed block, and the two sets of connecting rods are fixedly mounted on the fixed block.

[0016] Preferably, the rotating wheel is made of rubber.

[0017] Preferably, the electromagnet is supplied with alternating current from an external power supply device.

[0018] Compared with the prior art, the advantages of the present invention are:

[0019] 1. In the present application, the left side of the floating sealing ring is limited by rotating the wheel, and the arc-shaped inner clamping plate is used to expand and support the inner side of the floating sealing ring, so as to achieve effective and tight clamping of the floating sealing ring from the inside. The floating sealing ring can be clamped to various sizes and specifications. The inner clamping can avoid damage to the rubber ring on the outer side of the floating sealing ring, and prevent unevenness and gaps between the floating sealing rings, which will affect the installation and sealing effect.

[0020] 2. In the present application, an arc-shaped fixing clamp is used to tightly clamp the outer side of the tunnel boring machine cantilever, so that the floating sealing ring and the installation position are located on the same central axis, reducing the error caused by manual alignment and increasing the precision of installation. The installation position of the floating sealing ring in front of the tunnel boring machine cantilever is tightly adsorbed by an electromagnet, the installation plane of the floating sealing ring is determined, the stability of the installation process is enhanced, and the disturbance of the device during the installation process is prevented from affecting the installation effect of the floating sealing ring.

[0021] 3. In the present application, after alternating current is passed through the electromagnet, according to Faraday's law of electromagnetic induction, the induced electromotive force generated leads to an induced current, which causes the metal part of the floating sealing ring, the installation place of the floating sealing ring, and the electromagnet itself to generate a certain amount of heat due to eddy current. First, the increase in temperature can soften the rubber ring of the floating sealing ring to a certain extent, reducing the difficulty of installation; secondly, when the floating sealing ring is initially installed, the increase in temperature can simulate the condition of the floating sealing ring during normal use of the tunnel boring machine to a certain extent, thereby improving the detection rate of potential problems during the running-in process, reducing the probability of problems with the floating sealing ring during subsequent tunnel boring machine operation, and improving the working efficiency of the tunnel boring machine.

[0022] 4. In this application, the scale numbers on the scale hydraulic rod are used to reflect the installation error of the floating sealing ring, which reduces the workload of workers and reflects the error data more accurately. Compared with the traditional method of eliminating errors, the scale number at the lowest point is used as the standard, and a rotating wheel is used for secondary rolling and pressing. It is easier to eliminate errors and make the sealing pressure evenly distributed, avoiding the situation where the sealing pressure rises while being pressed in, thereby improving the quality and reliability of the seal.

[0023] To sum up, the design of the above structure in this application can make the installation effect of the floating seal better and the error smaller, realize error detection and secondary installation to eliminate the error, reduce damage to the floating seal, make installation more convenient, and not be affected by errors such as site and personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the overall axonometric structure of a tunnel boring machine floating seal auxiliary installation device proposed by the present invention.

[0025] Figure 2 This is a schematic structural diagram of a spherical universal shaft and a first hydraulic device of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0026] Figure 3 This is a schematic structural diagram of a first movable arm and a second movable arm of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0027] Figure 4 This is a schematic structural diagram of a third movable arm and a rotating seat of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0028] Figure 5 This is a schematic diagram of the structure of an electromagnet and an arc-shaped fixing clamp of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0029] Figure 6 This is a schematic structural diagram of a hydraulic cylinder and a graduated hydraulic rod of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0030] Figure 7 This is a schematic structural diagram of a driving wheel and a driven wheel of a floating seal auxiliary installation device for a tunnel boring machine proposed by the present invention.

[0031] In the figure: 1 base, 2 universal wheels, 3 fixed feet, 4 rotating table, 5 protective shell, 6 rotating shaft, 7 spherical universal shaft, 8 first hydraulic machine, 9 first movable arm, 10 second movable arm, 11 operating rod, 12 third movable arm, 13 second hydraulic machine, 14 fixed block, 15 connecting rod, 16 spring device, 17 electromagnet, 18 arc-shaped fixing clamp, 19 rotating seat, 20 lifting fixing seat, 21 hydraulic cylinder, 22 scale hydraulic rod, 23 rotating wheel, 24 rotating disk, 25 fixed disk, 26 driving wheel, 27 driven wheel, 28 extension rod, 29 arc-shaped inner clamping plate, 30 floating sealing ring. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0033] Reference Figures 1 to 7A floating seal auxiliary installation device for a tunnel boring machine includes a base 1. A plurality of sets of universal wheels 2 are fixedly installed at the lower end of the base 1. A self-locking device is installed on the universal wheel 2. The self-locking device is a prior art and its specific structural design is not described here. A retractable fixed foot 3 is also fixedly installed at the lower end of the base 1, so that when the device as a whole is moved to a suitable position, the self-locking device on the universal wheel 2 and the fixed foot 3 can limit the entire device to ensure its stability during the subsequent installation process.

[0034] A rotating table 4 is fixedly installed on the upper end of the base 1, and a protective shell 5 is fixedly installed on the upper end of the rotating table 4. Rotating shafts 6 are fixedly installed on the outer walls of both sides of the protective shell 5. The first movable arm 9 is rotatably installed at one end of the two rotating shafts 6 away from the protective shell 5, that is, the first movable arm 9 is rotatably sleeved on the outer side of the upper end of the protective shell 5 through the rotating shaft 6. A spherical universal shaft 7 is fixedly installed on one side at the middle position of the upper end of the rotating table 4, and the top of the spherical universal shaft 7 is connected to the inner top wall of the first movable arm 9. A first hydraulic press 8 is rotatably installed on the other side of the middle position of the upper end of the rotating table 4, and the telescopic end of the first hydraulic press 8 faces upward and is rotatably connected to the inner top wall of the first movable arm 9. A second movable arm 10 is rotatably installed at the front end of the first movable arm 9, and a third movable arm 12 is rotatably installed at the front end of the second movable arm 10. An operating rod 11 is fixedly installed at the lower end of the second movable arm 10.

[0035] The staff can use the handheld operating lever 11 to use the rotating table 4 to realize the horizontal rotation of the entire device, and use the rotating shaft 6 and the spherical universal shaft 7 in the protective shell 5 to connect with the first movable arm 9 to realize the up and down movement of the device, thereby realizing multi-directional adjustment of the device.

[0036] A rotating seat 19 is provided on the outer side of the third movable arm 12, and a plurality of lifting fixed seats 20 are fixedly installed at equal angles on the outer side wall of the rotating seat 19. A hydraulic cylinder 21 is installed on the working end of the lifting fixed seat 20, and a graduated hydraulic rod 22 is fixedly installed on the telescopic end (front end) of the hydraulic cylinder 21. A rotating wheel 23 is rotatably installed on the telescopic end (front end) of the graduated hydraulic rod 22, and the rotating wheel 23 is made of soft materials such as rubber.

[0037] A rotating disk 24 is rotatably installed at the front end of the third movable arm 12, and a driving wheel 26 is rotatably installed at the front end of the rotating disk 24. A plurality of driven wheels 27 are meshed and connected around the driving wheel 26. The driven wheels 27 are rotatably installed on the rotating disk 24. The driving wheel 26 is driven by a servo motor fixedly installed inside the third movable arm 12, so that when the servo motor is running, it can drive the plurality of driven wheels 27 to rotate synchronously at the same time by driving the driving wheel 26. A fixed disk 25 is arranged between the rotating disk 24 and the driving wheel 26. The ends of the driving wheel 26 and the driven wheel 27 close to the rotating disk 24 both rotate and pass through the fixed disk 25. An extension rod 28 is fixedly connected to one side of the driven wheel 27. An arc-shaped inner clamping plate 29 is fixedly connected to the end of the extension rod 28 away from the driven wheel 27. A floating sealing ring 30 is slidably sleeved on the outer sides of the plurality of arc-shaped inner clamping plates 29.

[0038] The left and right ends of the third boom 12 are fixedly installed with a second hydraulic press 13, the second hydraulic press 13 has two upper and lower telescopic ends, the upper telescopic ends and the lower telescopic ends of the two second hydraulic presses 13 are fixedly connected to a fixed block 14, the front end of the fixed block 14 is fixedly connected to two groups of symmetrically arranged connecting rods 15, the front end of the connecting rod 15 is fixedly connected to an arc-shaped fixing clamp 18, and a spring device 16 is fixedly installed on the connecting rod 15. The spring device 16 is a prior art. An electromagnet 17 is arranged between the four connecting rods 15, the electromagnet 17 is fixedly connected to the spring device 16, and the electromagnet 17 is supplied with alternating current by an external power supply device. When the electromagnet 17 is supplied with alternating current, according to Faraday's law of electromagnetic induction, the induced electromotive force generated leads to an induced current, so that the metal part of the floating sealing ring 30, the installation place of the floating sealing ring 30, and the electromagnet 17 itself generate a certain amount of heat due to eddy current.

[0039] The specific working principle of the present invention is as follows: the device is moved to the front of the tunnel boring machine where the floating sealing ring 30 needs to be installed or replaced through the universal wheel 2 under the base 1, the universal wheel 2 is locked, and the fixed foot 3 is extended to insert into the ground. After the fixing work is completed, the processed floating sealing ring 30 is inserted from the right end of the arc-shaped inner clamping plate 29, and the rotating wheel 23 is made to be in close contact with the left side of the floating sealing ring 30 by adjusting the lifting and lowering fixed seat 20. Then, the driving wheel 26 between the rotating and adjusting fixed plates 25 is driven to rotate the driven wheel 27, so that the extension rod 28 is expanded outward, and the arc-shaped inner clamping plate 29 with a rubber outer layer is driven to move outward until the arc-shaped inner clamping plate 29 is adjusted to be in close contact with the inner wall of the floating sealing ring 30.

[0040] First: through the cooperation between the universal wheel 2 and the fixed foot 3, the device can be freely moved to the working area of ​​the tunnel boring machine, adapt to different ground conditions and irregular operating spaces, realize timely replacement of the floating sealing ring 30, save installation time, and improve work efficiency.

[0041] Second: the left side of the floating sealing ring 30 is limited by rotating the wheel 23, and the arc-shaped inner clamping plate 29 is used to expand and support the inner side of the floating sealing ring 30, so as to achieve effective and tight clamping of the floating sealing ring 30 from the inside, and can adapt to the clamping of floating sealing rings 30 of various sizes and specifications. The clamping on the inside can avoid damage to the rubber ring on the outside of the floating sealing ring 30, and prevent the generation of jagged and gaps between the floating sealing rings 30, which affects the installation and sealing effect.

[0042] The third boom 12 is adjusted to be opposite to the boom of the tunnel boring machine where the floating seal 30 is to be installed. The horizontal plane rotation of the entire device is achieved by holding the operating lever 11 and using the rotating table 4. The rotating shaft 6 and the spherical universal shaft 7 in the protective shell 5 are connected to the first boom 9 to achieve the up and down movement of the device, and the position of the first boom 9 is fixed by the first hydraulic valve 8. The connection between the first boom 9 and the second boom 10 is rotated to achieve the left and right movement of the second boom 10, and the rotation of the rotating table 4 is coordinated to achieve the extension and retraction of the device in a fixed direction. The connection between the second boom 10 and the third boom 12 is rotated to achieve the up and down movement of the third boom 12, and the floating seal 30 of the device can be installed at multiple angles by cooperating with the first boom 9.

[0043] Adjust the relative position between the device and the boom of the tunnel boring machine, push the operating lever 11 to make the unpowered electromagnet 17 contact the installation position of the floating sealing ring 30 of the boom of the tunnel boring machine, then start the second hydraulic press 13, cooperate with the spring device 16 in the tension state, drive the connecting rod 15 on the fixed block 14 to retract inward, and the arc-shaped fixing clamp 18 rotatably connected to the connecting rod 15 fits the outer side of the boom of the tunnel boring machine and clamps it, at this time, direct current is passed through the electromagnet 17, the electromagnet 17 generates magnetism, and is tightly attached to the installation position of the floating sealing ring 30 in front of the boom of the tunnel boring machine, at this time, the arc-shaped inner clamping plate 29 extends to the installation position of the floating sealing ring 30, and surrounds the outer side of the cutting head shaft of the tunnel boring machine.

[0044] First, the arc-shaped fixing clamp 18 is used to tightly clamp the outer side of the boom of the tunnel boring machine in order to ensure that the floating sealing ring 30 and the installation location are located on the same central axis, thereby reducing the error caused by manual alignment and improving the precision of installation.

[0045] Second: by using the electromagnet 17 to tightly adsorb the installation position of the floating seal ring 30 in front of the tunnel boring machine cantilever, the installation plane of the floating seal ring 30 is determined, the stability of the installation process is enhanced, and the disturbance of the device during the installation process is prevented from affecting the installation effect of the floating seal ring.

[0046] After the fixed clamping of the device is completed, the rotating seat 19 starts to rotate, and the hydraulic cylinder 21 pushes the scale hydraulic rod 22 to extend outward evenly, driving the rotating wheel 23 to rotate and move forward at a uniform speed. The rotating wheel 23 continues to push the floating sealing ring 30 to move forward. When the floating sealing ring 30 reaches the installation position, AC power is supplied to the electromagnet 17, and the driving wheel 26 is started. Since the arc-shaped inner clamping plate 29 is in close contact with the inside of the floating sealing ring 30 at this time and cannot continue to expand outward, the driving wheel 26 and the driven wheel 27 are stuck, and the driven wheel 27 drives the fixed disk 25 and the rotating disk 24 to rotate. Due to the friction between the rubber on the surface of the arc-shaped inner clamping plate 29 and the inside of the floating sealing ring 30, the floating sealing ring 30 is driven to rotate, and the rotation direction is opposite to that of the rotating wheel.

[0047] First, the pressure is evenly distributed on the surface of the floating sealing ring 30 by evenly extending the graduated hydraulic rod 22 and rolling the rotating wheel 23. Compared with direct pressure from a rigid component, the rotating wheel 23 can better fit the surface shape of the floating sealing ring 30 while reducing damage to its surface. The installation progress of the floating sealing ring 30 can be accurately controlled, the installation process can be evenly advanced, and the floating sealing ring 30 can be effectively and tightly fitted to the installation position.

[0048] Second, during the process of the floating sealing ring 30 moving forward, it is affected by the electromagnet 17 that is supplied with direct current, and the magnetic flux passing through the floating sealing ring 30 gradually increases. According to Lenz's law, the metal ring part of the floating sealing ring 30 will generate an induced current, causing the floating sealing ring 30 itself to generate an Ampere force, which prevents the floating sealing ring 30 from entering the electromagnet 17. The thrust of the rotating wheel 23 and the Ampere force of the floating sealing ring 30 form a combined force, making the floating sealing ring 30 and the rotating wheel 23, and the two floating sealing rings 30 fit more closely, preventing gaps from being generated between the floating sealing rings 30 during the movement, and at the same time making the movement of the floating sealing ring 30 during the advancement process more synchronous and uniform.

[0049] Third: the rotation of the floating sealing ring 30 itself is opposite to the rolling rotation direction of the rotating wheel 23. First, the rotating installation of the floating sealing ring 30 itself can better adapt to the shape of the installation surface, and can reduce the concentration of friction between the floating sealing ring 30 and the installation surface in a certain direction, causing the rubber ring on the floating sealing ring 30 to flip, making the installation process smoother, reducing the installation difficulty and improving the installation efficiency; opposite to the rolling rotation direction of the rotating wheel 23, it can increase the rolling path of the rotating wheel 23, and further improve the uniformity of rolling propulsion.

[0050] After the initial installation of the floating seal ring 30 is completed, the driving wheel 26 rotates in the opposite direction, the arc-shaped inner clamping plate 29 is retracted inward, and the scale hydraulic rod 22 is gradually retracted into the hydraulic cylinder 21. At this time, the electromagnet 17 connected with AC power continues to work. After waiting for a specified time for the floating seal ring 30 to complete the initial running-in, the scale hydraulic rod 22 is re-extended and stops immediately after fully contacting the surface of the floating seal ring 30. By observing the scale numbers on the four scale hydraulic rods 22, the uniformity of the installation of different parts of the floating seal ring 30 can be understood. If there is a large error, the scale numbers of all the scale hydraulic rods 22 are made consistent with the scale number of the deepest scale hydraulic rod 22, and a secondary rotation and pressing installation is performed.

[0051] First, after the electromagnet 17 is supplied with alternating current, according to Faraday's law of electromagnetic induction, the generated induced electromotive force leads to the generation of induced current, which causes the metal part of the floating sealing ring 30, the installation place of the floating sealing ring 30, and the electromagnet 17 itself to generate a certain amount of heat due to eddy current. First, the increase in temperature can soften the rubber ring of the floating sealing ring 30 to a certain extent, reducing the difficulty of installation; secondly, when the floating sealing ring 30 is initially installed, the increase in temperature can simulate the condition of the floating sealing ring 30 during normal use of the tunnel boring machine to a certain extent, thereby improving the detection rate of potential problems during the running-in process, reducing the probability of problems with the floating sealing ring 30 during subsequent tunnel boring machine operations, and improving the working efficiency of the tunnel boring machine.

[0052] Second: the scale number on the scale hydraulic rod 22 is used to reflect the installation error of the floating sealing ring 30, which reduces the workload of workers and reflects the error data more accurately. Compared with the traditional method of eliminating errors, the scale number at the lowest point is used as a standard, and the rotating wheel 23 is used for secondary rolling and pressing. It is easier to eliminate errors and make the sealing pressure evenly distributed, avoiding the situation of lifting while pressing, thereby improving the quality and reliability of the seal.

[0053] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A floating seal auxiliary installation device for a tunnel boring machine, comprising a base (1), characterized in that: A rotating platform (4) is fixedly mounted on the upper end of the base (1), a first adjusting mechanism is mounted on the upper end of the rotating platform (4), a third movable arm (12) is rotatably mounted on the working end of the first adjusting mechanism, a rotating seat (19) is rotatably sleeved on the outer side of the third movable arm (12), a plurality of second adjusting mechanisms are fixedly mounted at equal angles on the outer side wall of the rotating seat (19), a graduated hydraulic rod (22) is mounted on the working end of the second adjusting mechanism, and a rotating wheel (23) is rotatably mounted on the telescopic end of the graduated hydraulic rod (22); A rotating disk (24) is rotatably mounted on the front end of the third movable arm (12), a clamping mechanism is mounted on the front end of the rotating disk (24), and a plurality of arc-shaped inner clamping plates (29) are mounted on the working end of the clamping mechanism; The third movable arm (12) is provided with a third adjusting mechanism at both left and right ends, and the working end of the third adjusting mechanism is provided with two groups of symmetrically arranged connecting rods (15), the front end of the connecting rod (15) is fixedly connected with an arc-shaped fixing clamp (18), and the connecting rod (15) is fixedly installed with a spring device (16), and an electromagnet (17) is provided between the multiple groups of connecting rods (15), and the electromagnet (17) is fixedly connected with the spring device (16).

2. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: A plurality of sets of universal wheels (2) are fixedly mounted on the lower end of the base (1), and a self-locking device is mounted on the universal wheels (2).

3. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: A retractable fixed foot (3) is fixedly mounted on the lower end of the base (1).

4. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The first adjustment mechanism comprises a protective shell (5) fixedly mounted on the upper end of the rotating platform (4), an adjustment assembly is arranged inside the protective shell (5), rotating shafts (6) are fixedly mounted on the outer walls on both sides of the protective shell (5), a first movable arm (9) is rotatably mounted on one end of the two rotating shafts (6) away from the protective shell (5), a second movable arm (10) is rotatably mounted on the front end of the first movable arm (9), an operating rod (11) is fixedly mounted on the lower end of the second movable arm (10), and the front end of the second movable arm (10) is rotatably connected to a third movable arm (12).

5. The floating seal auxiliary installation device for a tunnel boring machine according to claim 4, characterized in that: The adjustment assembly comprises a spherical universal shaft (7) fixedly mounted on one side of the middle position of the upper end of the rotating platform (4), the top end of the spherical universal shaft (7) being connected to the inner top wall of the first movable arm (9), and a first hydraulic machine (8) being rotatably mounted on the other side of the middle position of the upper end of the rotating platform (4), the telescopic end of the first hydraulic machine (8) facing upward and being rotatably connected to the inner top wall of the first movable arm (9).

6. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The second adjustment mechanism comprises a lifting fixed seat (20) fixedly mounted on the rotating seat (19), a hydraulic cylinder (21) being mounted on the working end of the lifting fixed seat (20), and a telescopic end of the hydraulic cylinder (21) being fixedly connected to a graduated hydraulic rod (22).

7. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The clamping mechanism comprises a rotating disk (24) rotatably mounted on the front end of the third movable arm (12); a driving wheel (26) is rotatably mounted on the front end of the rotating disk (24); a plurality of driven wheels (27) are meshingly connected around the driving wheel (26); the driven wheels (27) are rotatably mounted on the rotating disk (24); the driving wheel (26) is driven by a servo motor fixedly mounted inside the third movable arm (12); a fixed disk (25) is arranged between the rotating disk (24) and the driving wheel (26); the ends of the driving wheel (26) and the driven wheel (27) close to the rotating disk (24) are both rotatably passed through the fixed disk (25); an extension rod (28) is fixedly connected to one side of the driven wheel (27); the end of the extension rod (28) away from the driven wheel (27) is fixedly connected to an arc-shaped inner clamping plate (29).

8. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The third adjustment mechanism comprises a second hydraulic machine (13) fixedly mounted on the third movable arm (12), the second hydraulic machine (13) having two upper and lower telescopic ends, the upper telescopic ends and the lower telescopic ends of the two second hydraulic machines (13) being fixedly connected to a fixed block (14), and the two sets of connecting rods (15) being fixedly mounted on the fixed block (14).

9. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The rotating wheel (23) is made of rubber.

10. The floating seal auxiliary installation device for a tunnel boring machine according to claim 1, characterized in that: The electromagnet (17) is supplied with alternating current from an external power supply device.

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