Shield tunneling machine trolley rubber coating wheel structure

Abstract

The utility model relates to the technical field of tunnel engineering, in particular to a shield tunneling machine trolley rubber coating wheel structure which comprises a wheel assembly, the wheel assembly comprises a wheel body and a wheel box, the wheel box comprises a base frame, a wheel shaft, two limiting rings and two installation plates fixed to the two ends of the base frame respectively, and the wheel shaft is connected between the two installation plates. The wheel body is rotatably arranged on the wheel shaft in a sleeved mode, the rubber rings are arranged on the wheel body side by side in a sleeved mode, the two limiting rings are detachably fixed to the two ends of the wheel body and block the rubber rings, and deformation spaces used for containing the compression deformation amount of the rubber rings are formed between the limiting rings and the rubber rings. The shield machine trolley solves the technical problems that rubber wheels of a shield machine trolley in the prior art are prone to stripping and rubber rings fall off, reduces damage of the rubber coating wheels, prolongs the service life of the rubber coating wheels, achieves the rotating obstacle crossing function of the front rubber coating wheel and the rear rubber coating wheel through a semi-hinged structure of the hinged seat and the hinged arc plate, and improves the engineering adaptability of a walking mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel engineering, in particular to a rubber-coated wheel structure of a shield machine trolley. Background Art

[0002] Due to the actual structure of the shield machine and the construction conditions, some of the trolleys supporting the shield machine usually need to use rubber-coated wheels to travel along the inner wall of the tunnel, thereby accompanying the shield machine and providing the necessary accessories. Currently, the rubber-coated wheels of the existing trolleys supporting the shield machine often experience problems such as rubber wheel peeling and rubber ring shedding during actual use, resulting in damage to the rubber-coated wheels, requiring frequent replacement, and further increasing construction costs. Utility Model Content

[0003] The purpose of this utility model is to provide a rubber wheel structure for a shield machine trolley to solve the technical problem that the rubber wheel and rubber ring of the shield machine trolley are prone to peeling and falling off in the prior art. The specific technical solution is as follows:

[0004] The utility model provides a rubber-coated wheel structure of a shield machine trolley, including a wheel assembly, the wheel assembly including a wheel body and a wheel box, the wheel box including a base frame, a wheel axle, two limiting rings and two mounting plates respectively fixed at two ends of the base frame, the wheel axle is connected between the two mounting plates, the wheel body is rotatably sleeved on the wheel axle, a plurality of the rubber rings are arranged side by side on the wheel body, two of the limiting rings are detachably fixed to the two ends of the wheel body and blocked by the rubber rings, and a deformation space for accommodating the compression deformation of the rubber rings is formed between the limiting rings and the rubber rings.

[0005] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that the curvature of the outer peripheral surface formed by a plurality of the rubber rings arranged side by side is adapted to the curvature of the inner wall of the tunnel.

[0006] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that a first table surface and a second table surface are provided on the inner side of the limiting ring, the height of the first table surface is higher than the second table surface, the first table surface is attached to the wheel body, and a deformation space is formed between the second table surface and the rubber ring.

[0007] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that the first table surface can be detachably fixed to the wheel body by fastening screws, a through hole is provided on the first table surface for the fastening screw to pass through, and a fastening threaded hole is provided on the wheel body for the fastening screw to be screwed in.

[0008] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that a third surface and a fourth surface are provided at the end of the wheel body, the height of the third surface is higher than the fourth surface, the height of the third surface is equal to the height of the first surface, the first surface is attached to the fourth surface, and the fourth surface is provided with the fastening threaded hole.

[0009] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that it also includes a connecting seat, which includes a connecting base and a hinged arc plate. The lower end of the connecting base is fixed to the hinged arc plate, and the base frame is provided with a hinged seat that cooperates with the hinged arc plate.

[0010] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that a connecting plate for connecting to the shield machine trolley is obliquely provided on the upper end of the connecting base.

[0011] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that the number of the hinged arc plates is at least two, and the at least two hinged arc plates are fixed to the lower end of the connecting base at intervals along the length direction of the hinge seat.

[0012] A further improvement of the rubber-coated wheel structure of the shield machine trolley of the present invention is that a reinforcing arc plate is fixed at the lower end of the connecting base and located between two adjacent hinged arc plates.

[0013] A further improvement to the rubber-coated wheel structure of the shield machine trolley of the present invention is that two limiting side plates are respectively provided at both ends of the articulated seat, a hinged waist hole is opened on the limiting side plate, and a threaded through hole corresponding to the articulated waist hole is provided on the articulated arc plate, and the limiting side plate and the articulated arc plate are connected by a second bolt passing through the threaded through hole and the articulated waist hole.

[0014] The application of the technical solution of the utility model has the following beneficial effects:

[0015] The rubber-coated wheel structure of the shield machine trolley of the present invention provides a deformation space between the limit ring and the rubber ring, which can accommodate the compression deformation of the rubber ring while blocking the rubber ring, so that the rubber ring has sufficient space to deform during the movement of the rubber-coated wheel and is not easy to fall off. It solves the technical problems of rubber wheel peeling and rubber ring falling off easily in the shield machine trolley in the prior art, reduces the problem of rubber wheel damage, and increases the service life of the rubber-coated wheel. Through the semi-articulated structure of the articulated seat and the articulated arc plate, the front and rear rubber-coated wheels can rotate to overcome obstacles, thereby improving the engineering adaptability of the walking mechanism.

[0016] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which constitute part of this application, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0018] Figure 1This is a side view of the installation state of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0019] Figure 2 This is a front view of the installation state of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0020] Figure 3 This is a structural diagram of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0021] Figure 4 This is an exploded view of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0022] Figure 5 This is a longitudinal sectional view of the installation of the wheel body and the rubber ring of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0023] Figure 6 yes Figure 5 Enlarged image of circle II;

[0024] Figure 7 This is a longitudinal sectional view of the wheel body of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0025] Figure 8 This is a schematic diagram of the wheel box structure of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0026] Figure 9 This is a front view of the limit ring of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0027] Figure 10 This is a cross-sectional view of the middle portion of the wheel box of the rubber-coated wheel structure of the shield machine trolley of the present invention;

[0028] Figure 11 This is a front view of the connecting seat of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0029] Figure 12 This is a side view of the connecting seat of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0030] Figure 13 This is a longitudinal sectional view of the rubber-coated wheel structure of the shield machine trolley of the utility model;

[0031] Figure 14 This is the state of the rubber wheel structure of the shield machine trolley when it is traveling at the position where the pipe segment is misaligned. Figure 1 ;

[0032] Figure 15 This is the state of the rubber wheel structure of the shield machine trolley when it is traveling at the position where the pipe segment is misaligned. Figure 2 .

[0033] Among them, 100-rubber-coated wheel, 101-wheel body, 1011-shaft hole, 1012-lining ring, 1013-third table, 102-first rubber ring, 103-second rubber ring, 104-third rubber ring, 105-fourth rubber ring, 106-limiting ring, 1061-first table, 1062-second table, 107-fastening screw;

[0034] 200-wheel box, 201-base frame, 202-support plate, 203-hinge seat, 204-limiting side plate, 2041-hinge waist hole, 205-mounting plate, 2051-wheel axle hole, 206-lifting ring;

[0035] 300-connecting seat, 301-connecting base, 302-connecting plate, 303-hinge arc plate, 3031 threaded through hole, 304-reinforced arc plate;

[0036] 400-connection assembly, 401-axle, 402-pallet accessories, 403-articulated accessories, 500-shield machine trolley, 600-forming tunnel; 700-traveling mechanism, 800-segment staggering;

[0037] L0-the distance between the bottom of the connecting seat and the upper end surface of the support plate, α-the maximum articulation angle of the wheel box around the connecting seat, S1-the distance between the inner sides of the two limiting side panels, S2-the distance between the outer sides of the two hinged arc plates; L1-the height of the third table is higher than the height of the fourth table, L2-the thickness of the limiting ring (and L1≥L2), W-deformation space (installation distance between the end face of the outer rubber ring and the second table), L3-the distance between the end face of the fastening screw and the inner wall of the wheel box side panel (L3>10mm), D-the outer diameter of the third table, d-the diameter of the inner hole of the limiting ring (and d≥D). DETAILED DESCRIPTION

[0038] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0039] See also Figures 1 to 15 As shown, a rubber-coated wheel structure of a shield machine trolley includes a wheel assembly, which includes a wheel body 101 and a wheel box 200. The wheel box 200 includes a base frame 201, a wheel axle 401, two limiting rings 106 and two mounting plates 205 respectively fixed at both ends of the base frame 201. The wheel axle 401 is connected between the two mounting plates 205. The wheel body 101 is rotatably mounted on the wheel axle 401. A plurality of the rubber rings are arranged side by side on the wheel body 101. The two limiting rings 106 are detachably fixed to the two ends of the wheel body 101 and blocked by the rubber rings. A deformation space W (pressure-containing gap) is formed between the limiting ring 106 and the rubber ring for accommodating the compression deformation of the rubber ring.

[0040] In this embodiment, Figure 3 、 Figure 4and Figure 8 As shown, the wheel assembly includes two wheel bodies 101 and a wheel box 200. The wheel box 200 is designed as an H-shaped structure, and the two wheel bodies 101 are respectively located on both sides of the base 201. The longitudinal section of the base is I-shaped, and a support plate 202 is provided at the upper and lower ends. A ribbed plate is provided between the two support plates 202 to increase stability. An axial hole 1011 is provided on the wheel body 101 for the wheel axle 401 to pass through. The wheel body 101 is installed on the wheel box 200 through a connecting assembly 400. The connecting assembly 400 includes a wheel axle 401, a clamping plate auxiliary part 402 and a hinge auxiliary part 403. Wheel axle holes 2051 are symmetrically provided on the mounting plate 205 in the front and back directions for installing the wheel axle 401 in the left and right directions, and the wheel axle 401 is assisted in installation by the clamping plate auxiliary part 403, so that the wheel axle 401 of the walking mechanism 700 cooperates to realize the function of the shield machine trolley 500 walking in the forming tunnel 600, as shown in FIG. Figure 1 The mounting plate 205 is provided with a lifting ring 206, which is symmetrically fixed to the side of the mounting plate 205 and is used for the assembly and disassembly of the wheel box 200.

[0041] Preferably, Figure 5 As shown, the curvature of the outer peripheral surface formed by multiple rubber rings arranged side by side is adapted to the curvature of the inner wall of the tunnel, so that the rubber rings can be completely attached to the inner wall of the tunnel, so that each rubber ring is evenly stressed, avoiding excessive stress on a single rubber ring and faster wear.

[0042] Preferably, Figure 5 and Figure 6 As shown, the inner side of the limiting ring 106 is provided with a first table 1061 and a second table 1062. The height of the first table 1061 is higher than the second table 1062. The first table 1061 is attached to the wheel body 101. The deformation space is formed between the second table 1062 and the rubber ring. The width of the deformation space is W. Figure 9 As shown, an inner hole for the third table 1013 to pass through is opened at the center of the first table 1061, and the diameter of the inner hole is d, and d≥D.

[0043] Preferably, the first platform 1061 is removably secured to the wheel body 101 via fastening screws 107. A through-hole is provided on the first platform 1061 for the fastening screws 107 to pass through, and a threaded fastening hole is provided on the wheel body 101 for the fastening screws 107 to engage. Multiple through-holes and threaded fastening holes are provided, arranged in a circular pattern. The use of fastening screws 107 facilitates replacement of the rubber ring. The distance between the end face of the fastening screws 107 and the inner wall of the wheel box side panel is L3, where L3 is greater than 10 mm.

[0044] Preferably, Figure 7As shown, the wheel body 101 has a third table 1013 and a fourth table at its end. The third table 1013 is taller than the fourth table and equal in height to the first table 1061. The first table 1061 is attached to the fourth table, which has the fastening threaded hole. The third table 1013 is taller than the fourth table, L1. The thickness of the retaining ring 106 is L2, where L1 ≥ L2. The outer diameter of the third table 1013 is D. The third table 1013 is used to mate with the retaining ring 106, ensuring that the ends of the retaining ring 106 are flush after installation. A backing ring 1012 is provided on the outer circumference of the wheel body 101. In this embodiment, each wheel body 101 has four rubber rings, specifically a first rubber ring 102, a second rubber ring 103, a third rubber ring 104, and a fourth rubber ring 105. The first rubber ring 102 (the rubber ring close to the outer side of the shield is called the first rubber ring 102) is sleeved from the wheel body 101 on the outer periphery of the lining ring 1012, and its outer end face is flush with the end face of the third table 1013; the second rubber ring 103 is sleeved on the lining ring 1012, and one end face thereof is seamlessly matched with the other end face of the first rubber ring 102; the third rubber ring 104 is sleeved on the lining ring 1012, and one end face thereof is seamlessly matched with the other end face of the second rubber ring 103; the fourth rubber ring 105 is sleeved on the lining ring 1012, and one end face thereof is seamlessly matched with the other end face of the third rubber ring 104, and its outer end face is flush with the other end face of the third table 1013.

[0045] Preferably, Figure 3 、 Figure 4 、 Figure 8 and Figure 10 As shown, the rubber-coated wheel structure of the shield machine trolley also includes a connecting seat 300, which includes a connecting base 301 and a hinged arc plate 303. The lower end of the connecting base 301 is fixed to the hinged arc plate 303, and the base frame 201 is provided with a hinged seat 203 that cooperates with the hinged arc plate 303. The hinged seat 203 is fixed on the support plate 202 at the upper end of the base. The cross-section of the hinged seat 203 is semicircular, and the arc radius is R2. The lower end of the hinged arc plate 303 is provided with a concave arc surface, which can be slidably spanned on the hinged seat 203. The arc radius of the concave arc surface of the hinged arc plate 303 is set to R1, and R1=R2, to ensure that the arc surfaces of the two are completely fitted, as shown in FIG. Figure 2 The distance between the left and right end faces of the hinge seat 203 is greater than the left and right width of the base frame 201 and is equal to the sum of the left and right width of the base frame 201 and the thickness of the mounting plates 205 on both sides.

[0046] Preferably, Figure 3 and Figure 12 As shown, the upper end of the connection base 301 is provided with a connection plate 302 for connecting to the shield machine trolley. The connection plate 302 is tilted at a set angle and arranged on the upper part of the connection base 301 so that the rubber ring can fit the inner wall of the tunnel after installation. Figure 11 and Figure 12 As shown, bolt holes are symmetrically arranged on the front and back (along the shield machine excavation direction) of the connecting plate 302, which are used to bolt and fix it to the shield machine trolley 500 through bolts; process holes (lifting threaded holes) are also provided on the connecting plate 302, which are used for disassembly, assembly and lifting of the connecting seat 300.

[0047] Preferably, there are at least two hinged arc plates 303, which are fixed to the lower end of the connecting base 301 at intervals along the length of the hinge seat 203. In this embodiment, there are two hinged arc plates 303, which are located on both sides of the lower end of the connecting base 301. After installation, the hinged arc plates 303 are attached to the side surfaces of the limiting side plates 204. The spacing between the inner side surfaces of the limiting side plates 204 is set to S1. The spacing between the outer side surfaces of the two hinged arc plates 303 is set to S2, and S2 ≤ S1, to ensure that the hinged arc plates 303 are completely located between the two limiting side plates 204.

[0048] Preferably, Figure 12 and Figure 13 As shown, a reinforcing curved plate 304 is fixed to the lower end of the connecting base 301, between two adjacent hinged curved plates 303, to enhance the hinge strength of the connecting base 301. The reinforcing curved plate 304 is completely flush with the concave curved surface at the bottom of the hinged curved plates 303 along the left-right direction. After the connecting base 300 and the wheel box 200 are installed, the distance between the bottom surfaces of the hinged curved plates 303 and the reinforcing curved plate 304 and the upper side of the support plate 202 is set to L0 (normal excavation conditions).

[0049] Preferably, Figure 8 As shown, two limiting side plates 204 are provided at both ends of the articulated seat 203. A hinge waist hole 2041 is provided on the limiting side plate 204. A threaded through hole 3031 corresponding to the hinge waist hole 2041 is provided on the articulated arc plate 303. The limiting side plates 204 and the articulated arc plate 303 are connected by a second bolt passing through the threaded through hole 3031 and the articulated waist hole 2041. The limiting side plates 204 are symmetrically arranged on the articulated seat 203, and one end face is flush with the left / right end face of the articulated seat 203. There are two threaded through holes 3031 and two articulated waist holes 2041, and they are symmetrically arranged in the front-to-back direction (along the excavation direction of the shield machine). The articulated waist hole 2041 has space for the bolts to move, which can meet the swing of the wheel box 200 during driving. The virtual circle center formed by the centers of the two hinge waist holes 2041 coincides with the center of the arc surface of the hinge seat 203 (ie, ensure that the hinge auxiliary part rotates around the hinge waist hole 2041 according to the set instructions with the center of the arc surface as the center of the circle).

[0050] like Figure 14 and Figure 15As shown, after the connecting seat 300 and the wheel box 200 are installed, when walking in the forming tunnel 600 and encountering situations such as segment misalignment 800, the hinged seat 203 of the wheel box 200 can rotate around the concave arc surface of the hinged arc plate 303 and the reinforcing arc plate 304, and the maximum rotation angle is set to ±α (+ indicates clockwise rotation, the front wheel is lifted over the obstacle; - indicates counterclockwise rotation, the front wheel is sunk over the obstacle).

[0051] The rubber-coated wheel structure of the shield machine trolley of the present invention provides a deformation space between the limit ring 106 and the rubber ring, so that while blocking the rubber ring, it can also accommodate the compression deformation of the rubber ring, so that the rubber ring has sufficient space to deform during the movement of the rubber-coated wheel 100 and is not easy to fall off, solving the technical problems of rubber wheel peeling and rubber ring falling off easily in the shield machine trolley in the prior art, reducing the damage problem of the rubber-coated wheel 100, and improving the service life of the rubber-coated wheel 100. Through the semi-articulated structure of the articulated seat 203 and the articulated arc plate 303, the front and rear rubber-coated wheels 100 can rotate to overcome obstacles, thereby improving the engineering adaptability of the walking mechanism 700.

[0052] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A rubber-coated wheel structure for a shield machine trolley, characterized in that: The invention comprises a wheel assembly, wherein the wheel assembly comprises a wheel body (101) and a wheel box (200), wherein the wheel box (200) comprises a base frame (201), a wheel axle (401), two limiting rings (106) and two mounting plates (205) respectively fixed at two ends of the base frame (201), wherein the wheel axle (401) is connected between the two mounting plates (205), wherein the wheel body (101) is rotatably sleeved on the wheel axle (401), wherein a plurality of rubber rings are sleeved side by side on the wheel body (101), wherein the two limiting rings (106) are detachably fixed to the two ends of the wheel body (101) and are blocked by the rubber rings, and a deformation space for accommodating the compression deformation of the rubber rings is formed between the limiting rings (106) and the rubber rings.

2. The rubber-coated wheel structure of the shield machine trolley according to claim 1 is characterized in that: The curvature of the outer peripheral surface formed by the plurality of rubber rings arranged side by side is adapted to the curvature of the inner wall of the tunnel.

3. The rubber-coated wheel structure of the shield machine trolley according to claim 1 is characterized in that: A first table surface (1061) and a second table surface (1062) are provided on the inner side of the limiting ring (106), wherein the height of the first table surface (1061) is higher than that of the second table surface (1062), the first table surface (1061) is attached to the wheel body (101), and the deformation space is formed between the second table surface (1062) and the rubber ring.

4. The rubber-coated wheel structure of the shield machine trolley according to claim 3 is characterized in that: The first table (1061) is detachably fixed to the wheel body (101) by a fastening screw (107); a through hole is provided on the first table (1061) for the fastening screw (107) to pass through; and a fastening threaded hole is provided on the wheel body (101) for the fastening screw (107) to be screwed in.

5. The rubber-coated wheel structure of the shield machine trolley according to claim 4 is characterized in that: The end of the wheel body (101) is provided with a third table surface (1013) and a fourth table surface, the height of the third table surface (1013) is higher than the fourth table surface, the height of the third table surface (1013) is equal to the height of the first table surface (1061), the first table surface (1061) is attached to the fourth table surface, and the fourth table surface is provided with the fastening threaded hole.

6. The rubber-coated wheel structure of the shield machine trolley according to claim 1 is characterized in that: The invention also includes a connecting seat (300), wherein the connecting seat (300) includes a connecting base (301) and a hinged arc plate (303), wherein the lower end of the connecting base (301) is fixed to the hinged arc plate (303), and the base frame (201) is provided with a hinged seat (203) that cooperates with the hinged arc plate (303).

7. The rubber-coated wheel structure of the shield machine trolley according to claim 6 is characterized in that: The upper end of the connection base (301) is provided with a connection plate (302) inclined to connect to the shield machine trolley.

8. The rubber-coated wheel structure of the shield machine trolley according to claim 6, characterized in that: The number of the hinged arc plates (303) is at least two, and the at least two hinged arc plates (303) are fixed to the lower end of the connection base (301) at intervals along the length direction of the hinge seat (203).

9. The rubber-coated wheel structure of the shield machine trolley according to claim 7, characterized in that: A reinforcing arc plate (304) is fixed at the lower end of the connecting base (301) and located between two adjacent hinged arc plates (303).

10. The rubber-coated wheel structure of the shield machine trolley according to claim 6, characterized in that: Two limiting side plates (204) are respectively provided at both ends of the hinge seat (203), and a hinge waist hole (2041) is opened on the limiting side plate (204). The hinge arc plate (303) is provided with a threaded through hole (3031) corresponding to the hinge waist hole (2041), and the limiting side plate (204) and the hinge arc plate (303) are connected by a second bolt passing through the threaded through hole (3031) and the hinge waist hole (2041).

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