CN220203897U - Universal bracket applicable to assembly and debugging of double-diameter variable large shield - Google Patents

Abstract

The utility model provides a universal bracket suitable for assembling and debugging a large shield with variable double diameters. The bracket comprises an arc framework, two groups of first adjusting frameworks symmetrically arranged on the inner cambered surface of the arc framework and two groups of second adjusting frameworks symmetrically arranged on the outer cambered surface of the arc framework, wherein each group of first adjusting frameworks are connected with a first connecting plate of the inner cambered surface of the arc framework through an adjusting system, the adjusting system comprises a lower base, an upper base and an adjusting oil cylinder, the lower base is fixed on an arc plate, the upper base is fixed on the first adjusting frameworks, the lower base is rotationally connected with the upper base, the adjusting oil cylinder is arranged on the lower base, a top plate is arranged at the free end of the adjusting oil cylinder, and the top plate is connected with the first adjusting frameworks. The utility model can realize large-diameter range adjustment, thereby supporting large-diameter shield installation machines with different diameter sizes, reducing input cost and improving the practicability of the device.

Description

Universal bracket applicable to assembly and debugging of double-diameter variable large shield

Technical Field

The utility model relates to the technical field of shield machine brackets, in particular to a universal bracket suitable for assembling and debugging a large shield with variable double diameters.

Background

Before the large-diameter shield is assembled and debugged, an arc-shaped concrete structure and a platform plate structure are required to be poured in a station and a working well, so that the requirement of sliding of a shield machine trolley and a shield body is met. The common shield machine platform wheel pair has 2 forms, namely a splayed wheel and a straight wheel, wherein the splayed wheel walks on the intrados of the duct piece, the straight wheel walks on the steel inverted arch, and two different walking environments are respectively provided. And the working well and the concrete pouring structure in the station are divided into two sizes, the diameter corresponding to the arc in the working well is the diameter of a shield body, the diameter corresponding to the arc in the station is the diameter of a duct piece, the station platform plate is arranged behind the arc section, the surface is a horizontal plane, and the surface of the station platform plate is flush with the surface of a box culvert in a tunnel. In addition, the large-diameter shield equipment is large and heavy, the assembly process is complex, the characteristics of a large-diameter shield starting station are special, a station plane section, a sinking section and a shield body assembly section exist, according to a conventional foundation pit structure, a trolley is required to be lowered from a lifting wellhead of shield assembly to the underground, the trolley is transferred to the sinking section through the change of a height difference, the common height difference is about 80cm, then the trolley is moved to the station plane section by about 50m in the sinking section, the common height difference is about 2m, then the trolley is transferred to the plane section, a plurality of times of height difference conversion exist, the problem that large trolley transportation power cannot be provided exists underground, embedded parts and the like are required to be pre-buried in advance, a large number of tools are required to adjust a working well and the height difference of the sinking section, the trolley can directly reach the height of a box culvert surface, the trolley is directly transported to the station, the comprehensive construction process is complex, and the safety risk is large.

In addition, the diameters of the large-diameter shields are not uniform at present, meanwhile, the shield machine trolley is different according to different tunnel designs, for example, part of tunnels are synchronously constructed with square-mouth box culverts, part of tunnels are synchronously constructed with integral box culverts, part of tunnels are constructed with post-construction of box culvert structures, even the large-diameter shields have no multiple conditions such as box culverts, so that the design requirement on the trolley structure is very high, and the variability of the structure exists.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a universal bracket suitable for assembling and debugging a large shield with variable double diameters; the sliding of the shield machine at different interfaces can be met, the rear matched trolley can be transferred from the working well to the station platform plate during shield assembly, and the tooling cost of changing positions of different sections is saved.

In order to achieve the above purpose, the utility model provides a large shield assembly debugging universal bracket suitable for double-diameter variability, the bracket comprises an arc framework, two groups of first adjusting frameworks symmetrically arranged on the inner cambered surface of the arc framework and two groups of second adjusting frameworks symmetrically arranged on the outer cambered surface of the arc framework, the arc framework comprises an arc plate, the positions of the inner cambered surface of the arc plate corresponding to the installation positions of the two groups of first adjusting frameworks are respectively fixed with a first connecting plate, the positions of the outer cambered surface of the arc plate corresponding to the two groups of second adjusting frameworks are respectively fixed with a second connecting plate, each group of first adjusting frameworks are connected with the first connecting plates of the inner cambered surface of the arc plate through an adjusting system, the adjusting system comprises a lower base, an upper base and an adjusting oil cylinder, the lower base is fixed on the arc plate, the upper base is fixed on the first adjusting frameworks, the lower base is rotationally connected with the upper base, the upper base is arranged on the lower base, the free end of the adjusting oil cylinder is provided with a top plate, and the top plate is connected with the first adjusting frameworks.

The utility model has the preferable technical scheme that: the arc framework comprises a plurality of arc plates, the arc plates are equidistantly arranged and connected through a plurality of rib plates, the rib plates are arranged on the inner arc surfaces and the outer arc surfaces of the arc plates in a scattered mode, and each rib plate and the arc plates are arranged in a cross mode.

The utility model has the preferable technical scheme that: each group of first adjusting framework comprises a first adjusting plate and first supporting frames, the first supporting frames are provided with two groups and are arranged at the bottom of the first adjusting plate side by side, one group of first supporting frames are connected with the upper base, and the other group of first supporting frames are connected with the top plate.

The utility model has the preferable technical scheme that: the second adjusting framework comprises a second supporting frame, the upper surface of the second supporting frame is fixedly connected with a first connecting plate of the outer cambered surface of the arc-shaped plate, and the second supporting frame is far away from the surface of the arc-shaped framework and is fixedly connected with a second adjusting plate.

The utility model has the preferable technical scheme that: each group of first adjusting framework is connected with the arc-shaped framework through a plurality of groups of adjusting systems, the side edge of the lower base of each group of adjusting systems is fixedly connected with a connecting block, the cylinder body of the adjusting oil cylinder is hinged on the connecting block, the upper end of the lower base is movably connected with a rotating shaft, the outer surface of the rotating shaft is movably connected with a rotating block, and the upper surface of the rotating block is fixedly connected with an upper base; the adjusting cylinders of two adjacent groups of adjusting systems are arranged on different sides.

The utility model has the preferable technical scheme that: the lower surface of the second adjusting plate is provided with a plurality of traveling wheel pairs, and the traveling wheel pairs are matched with the traveling environment.

The adjusting oil cylinder is adjusted to be in place, so that the mechanical structure can be used for fixing and locking after the engineering is used, the stress requirement of the whole structure is increased, and safety accidents caused by transitional damage and pressure fluctuation of the oil cylinder are avoided.

The utility model has the following beneficial effects:

1. the arc length of the arc-shaped framework meets the travelling width requirement of the trolley wheel set of the shield machine, the lower base is connected with the arc-shaped framework, the upper base is connected with the first adjusting framework, the top plate is driven to rotate through the expansion and contraction of the adjusting oil cylinder, and the upper base rotates through the rotating shaft.

2. The utility model can ensure the integral structural strength of the arc-shaped framework, the first adjusting framework and the second adjusting framework can increase or decrease the number of pairs according to the integral length of the bracket, the utility model can adapt to the length of a large-diameter shield installation machine, and the traveling wheel pair arranged on the lower surface of the second adjusting plate can meet the requirement that the bracket structure travels back and forth in the sinking section, thereby reducing the length of the bracket and the cost.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a schematic diagram of a conditioning system according to the present utility model;

FIG. 4 is a cross-sectional view of the conditioning system of the present utility model;

fig. 5 is a schematic structural diagram of a first adjusting structure according to the present utility model.

Legend description: 1. an arc-shaped structure; 101. an arc-shaped plate; 102. a first connection plate; 103. rib plates; 104. a second connecting plate; 2. an adjustment system; 201. a lower base; 202. a connecting block; 203. an adjusting oil cylinder; 204. a top plate; 205. a rotating shaft; 206. a rotating block; 207. an upper base; 3. a first adjustment architecture; 301. a first support frame; 302. a first adjustment plate; 4. a second adjustment architecture; 401. a second support frame; 402. and a second adjusting plate.

Detailed Description

The utility model is further described below with reference to the drawings and examples. Fig. 1 to 5 are drawings of embodiments, which are drawn in a simplified manner, for the purpose of clearly and concisely illustrating embodiments of the present utility model. The following technical solutions presented in the drawings are specific to embodiments of the present utility model and are not intended to limit the scope of the claimed utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

The embodiment provides a be applicable to changeable big shield of dual diameter equipment debugging universal bracket, as shown in fig. 1 through 5, including arc framework 1, two sets of first regulation frameworks 3 of symmetry setting at arc framework 1 intrados and two sets of second regulation frameworks 4 of symmetry setting at arc framework 1 extrados, arc framework 1 can adapt to the diameter of big diameter shield installation, governing system 2 can rotate, carry out angle modulation, thereby can support the big diameter shield installation of different diameter sizes, first regulation framework 3 can adjust governing system 2's difference in height, second regulation framework 4 can adjust the holistic difference in height of bracket. The number of arc 101 is a plurality of, and the equidistance sets up between a plurality of arc 101, and the arc length of arc 101 can satisfy shield constructs the requirement of quick-witted platform truck wheel pair walking width, the intrados of arc 101 corresponds the position that two sets of first regulation frameworks 3 were installed and is fixed with first connecting plate 102 respectively, the extrados of arc 101 corresponds the position that two sets of second regulation frameworks 4 and is fixed with second connecting plate 104 respectively, can provide mounted position for governing system 2 and second regulation frameworks 4 through the connecting plate, and the installation of being convenient for forms wholly, and intrados, extrados all fixedly connected with gusset 103 of a plurality of arc 101, arc 101 are cross-shaped setting with gusset 103, can be connected a plurality of arc 101 through gusset 103, make form wholly between the arc 101.

The embodiment provides a universal bracket suitable for assembling and debugging a large shield with variable double diameters, as shown in fig. 1, each group of first adjusting framework 3 is connected with a first connecting plate 102 of an intrados surface of an arc plate 101 through two adjusting systems 2, and the two adjusting systems can provide stable support for the first adjusting framework 3. As shown in fig. 3 and 4, the adjusting system 2 includes a lower base 201, an upper base 207, and an adjusting cylinder 203, where the lower base 201 is fixed on a first connecting plate 102 of the intrados of the arc plate 101, and the lower base 201 is connected with the first connecting plate 102 by a bolt, so as to facilitate the disassembly of the lower base 201. The side fixedly connected with connecting block 202 of lower base 201, connecting block 202 connects two lower bases 201, form a whole, the side swing joint of connecting block 202 has adjusting cylinder 203, can drive roof 204 change position through adjusting cylinder 203's flexible, thereby be convenient for angle adjustment, adjusting cylinder 203's output swing joint has roof 204, roof 204 is connected with first alignment jig 3, be convenient for adjusting cylinder 203's support, lower base 201's upper end swing joint has pivot 205, can be connected lower base 201 with last base 207 through pivot 205, form a whole, pivot 205's surface swing joint has turning block 206, can drive the rotation of base 207 through turning block 206, turning block 206's upper surface fixedly connected with upper base 207, upper base 207 can be connected with first alignment jig 3 through the bolt, thereby make first alignment jig 3 support the large-diameter shield, through adjusting cylinder 203's flexible and the rotation of upper base 207, can adjust the inclination of first alignment jig 3, thereby can support the jumbo-size shield of different diameters.

The embodiment provides a be applicable to changeable big shield of dual diameter equipment debugging universal bracket, as shown in fig. 5, first regulation framework 3 includes first support frame 301, and the lower surface of first support frame 301 and the upper surface swing joint of last base 207, and the difference in height of governing system 2 can be adjusted to first support frame 301, is convenient for support, and the fixed surface that arc framework 1 was kept away from to first support frame 301 is connected with first regulating plate 302, and area of contact when first regulating plate 302 can increase the support avoids the pressure to concentrate the damage that causes big diameter shield installation when supporting, is convenient for support. As shown in fig. 2, the second adjusting frame 4 includes a second supporting frame 401, the upper surface of the second supporting frame 401 is fixedly connected with the lower surface of the first connecting plate 102, the second supporting frame 401 can raise the overall height of the bracket, the second supporting frame 401 is far away from the second adjusting plate 402 fixedly connected with the surface of the arc-shaped frame 1, traveling wheel pairs are mounted on the lower surface of the second adjusting plate 402, the number of the traveling wheel pairs is multiple, and through the traveling wheel pairs mounted on the lower surface of the second adjusting plate 402, the bracket can be pushed to move integrally when in use, so that the bracket structure can travel in a reciprocating manner in a sinking section, the length of the bracket is reduced, and the cost is reduced.

The working process of the utility model comprises the following steps: the adjusting system 2 is placed above the arc-shaped framework 1, the connecting holes between the lower base 201 and the first connecting plate 102 are made to correspond, the lower base 201 is connected with the first connecting plate 102 through bolts, the first adjusting framework 3 is placed above the adjusting system 2, the connecting holes between the first supporting frame 301 and the upper base 207 are made to correspond, the first supporting frame 301 is connected with the upper base 207 through bolts, the second adjusting framework 4 is placed below the arc-shaped framework 1, the second supporting frame 401 is made to correspond with the second connecting plate 104, the second supporting frame 401 is connected with the second connecting plate 104 through bolts, the adjusting oil cylinder 203 is controlled to stretch and retract according to the diameter size of the large-diameter shield installation to be supported, meanwhile, the upper base 207 is made to rotate, and the inclination angle and the position of the first adjusting plate 302 are adjusted, so that the large-size shield installation can be supported.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a be applicable to changeable big shield of double diameter equipment debugging universal bracket which characterized in that: the bracket comprises an arc-shaped framework (1), two groups of first adjusting frameworks (3) symmetrically arranged on the inner cambered surface of the arc-shaped framework (1) and two groups of second adjusting frameworks (4) symmetrically arranged on the outer cambered surface of the arc-shaped framework (1), wherein the arc-shaped framework (1) comprises an arc-shaped plate (101), the positions, corresponding to the two groups of first adjusting frameworks (3), of the inner cambered surface of the arc-shaped plate (101) are respectively fixed with a first connecting plate (102), the positions, corresponding to the two groups of second adjusting frameworks (4), of the outer cambered surface of the arc-shaped plate (101) are respectively fixed with a second connecting plate (104), each group of first adjusting frameworks (3) are connected with the first connecting plates (102) of the inner cambered surface of the arc-shaped plate (101) through an adjusting system (2), the adjusting system (2) comprises a lower base (201), an upper base (207) and an adjusting cylinder (203), the lower base (201) is fixed on the arc-shaped plate (101), the upper base (207) is fixed on the first adjusting frameworks (3), the lower base (201) is rotationally connected with the upper base (207), each lower base (201) is rotationally connected with the corresponding to the corresponding base (207), and the first base (203) is provided with a top plate (204).

2. The universal bracket for assembly and debugging of double-diameter variable large shield according to claim 1, wherein the universal bracket comprises: the arc framework (1) comprises a plurality of arc plates (101), the arc plates (101) are equidistantly arranged, the arc plates are connected through a plurality of rib plates (103), the rib plates (103) are arranged on the inner arc surfaces and the outer arc surfaces of the arc plates (101) in a scattered mode, and each rib plate (103) and the arc plates (101) are arranged in a cross mode.

3. A universal bracket for assembly and adjustment of double-diameter variable large shield according to claim 1 or 2, characterized in that: each group of first adjusting framework (3) comprises a first adjusting plate (302) and first supporting frames (301), wherein the first supporting frames (301) are provided with two groups, the two groups of first supporting frames are arranged at the bottom of the first adjusting plates (302) side by side, one group of first supporting frames (301) is connected with the upper base (207), and the other group of first supporting frames (301) is connected with the top plate (204).

4. A universal bracket for assembly and adjustment of double-diameter variable large shield according to claim 1 or 2, characterized in that: the second adjusting framework (4) comprises a second supporting frame (401), the upper surface of the second supporting frame (401) is fixedly connected with a first connecting plate (102) of the outer cambered surface of the arc-shaped plate (101), and the surface of the second supporting frame (401) far away from the arc-shaped framework (1) is fixedly connected with a second adjusting plate (402).

5. A universal bracket for assembly and adjustment of double-diameter variable large shield according to claim 1 or 2, characterized in that: each group of first adjusting framework (3) is connected with the arc-shaped framework (1) through a plurality of groups of adjusting systems (2), a connecting block (202) is fixedly connected to the side edge of a lower base (201) of each group of adjusting systems (2), a cylinder body of an adjusting oil cylinder (203) is hinged to the connecting block (202), a rotating shaft (205) is movably connected to the upper end of the lower base (201), a rotating block (206) is movably connected to the outer surface of the rotating shaft (205), and an upper base (207) is fixedly connected to the upper surface of the rotating block (206); the adjusting cylinders (203) of two adjacent groups of adjusting systems (2) are arranged on different sides.

6. The universal bracket for assembling and debugging double-diameter variable large shield according to claim 4, wherein the universal bracket comprises the following components: the lower surface of the second adjusting plate (402) is provided with a plurality of walking wheel pairs, and the walking wheel pairs are matched with the walking environment.