CN212646109U - Shield tunnel comprehensive test platform - Google Patents

Abstract

The utility model belongs to the test platform field, especially, shield structure method tunnel combined test platform, include the experiment platform body and be located the multiple ring section of jurisdiction on the experiment platform body, install a plurality of fixed establishment on the multiple ring section of jurisdiction, fixed establishment includes the fixed plate that two symmetries set up, one side fixed mounting that two fixed plates are close to each other has same dead lever, the removal of fixed plate is seted up the top and is the first hole of open-ended, a first downthehole rotation in two first holes installs the depression bar, and depression bar and another first hole looks adaptation, the chute has all been seted up to the both sides of depression bar, first screw hole has all been seted up on the both sides inner wall in another first hole, hold-down screw is installed to first screw hole internal thread, and hold-down screw and corresponding chute looks. The utility model discloses in, can carry out the centre gripping to the multi-ring section of jurisdiction in level and vertical direction and fix to be convenient for make up the concatenation to the multi-ring section of jurisdiction, make things convenient for people's use.

Description

Shield tunnel comprehensive test platform

Technical Field

The utility model relates to a test platform technical field especially relates to a shield constructs method tunnel combined test platform.

Background

A method for excavating a mine method after reinforcing two single-line interval tunnels of urban rail transit by a freezing method is generally adopted for constructing the communication channel in a soft soil area, but the method has the defects of large influence of freezing and thawing on the surrounding environment, long construction period, high construction cost and the like, and through retrieval and examination, a patent document with the publication number of CN109342097B discloses a comprehensive test platform of a shield tunnel and a test method thereof A multiple ring section of jurisdiction stratum simulation system for simulating the stratum soil body environment that multiple ring section of jurisdiction test unit received, the advantage is that realize that multiple ring section of jurisdiction synchronous transportation and lift, simulation real tunnel form applys soil pressure load, longitudinal load and simulation stratum soil body environment to multiple ring section of jurisdiction.

But above-mentioned design still has the weak point, needs make up the concatenation to the polycyclic section of jurisdiction in the above-mentioned design, and current mosaic structure is more troublesome, and the unstable use that influences of concatenation, has not been convenient for carry out the problem of stable combination concatenation to the polycyclic section of jurisdiction, therefore we have proposed a shield method tunnel comprehensive test platform and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the stable combination concatenation is carried out to the multi-ring section of jurisdiction not to have conveniently among the prior art, and the shield method tunnel comprehensive test platform who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a shield tunnel comprehensive test platform comprises an experiment platform body and a multi-ring pipe piece positioned on the experiment platform body, wherein a plurality of fixing mechanisms are installed on the multi-ring pipe piece, each fixing mechanism comprises two fixing plates which are symmetrically arranged, one side, close to each other, of each fixing plate is fixedly provided with the same fixing rod, the top of each fixing plate is provided with a first hole with an opening, one first hole of the two first holes is internally provided with a pressing rod in a rotating mode, the pressing rod is matched with the other first hole, two sides of the pressing rod are respectively provided with an inclined groove, two inner walls of two sides of the other first hole are respectively provided with a first threaded hole, a compression screw is installed in each first threaded hole and is matched with the corresponding inclined groove, one side, close to each other, of the two fixing plates is respectively provided with a placing groove, one inner wall of one side of each placing groove is provided, one end of the adjusting screw rod is rotatably provided with a clamping plate, the clamping plate is matched with the corresponding multi-ring pipe piece, and the other end of the adjusting screw rod is fixedly provided with a rotating plate.

Preferably, two limiting holes symmetrically arranged are formed in the inner wall of one side of the placing groove, two limiting rods symmetrically arranged are fixedly mounted on one side of the clamping plate, the limiting rods are slidably mounted in the corresponding limiting holes, and the clamping plate can be stably moved.

Preferably, the rotating groove is formed in one side, away from each other, of each clamping plate, and the ends, close to each other, of the two adjusting screw rods are rotatably installed in the corresponding rotating grooves respectively.

Preferably, the same pin shaft is rotatably mounted on the inner walls of the two sides of one of the two first holes, and the pressing rod is fixedly sleeved on the pin shaft.

Preferably, the number of the fixing mechanisms is three to four, and the three to four fixing mechanisms are arranged in a ring shape at equal intervals.

The utility model discloses in, when a shield method tunnel comprehensive test platform used, need to make up the concatenation to the multiple ring section of jurisdiction, at first rotate the depression bar, make depression bar and a corresponding fixed plate be located same vertical axis, then run through the multiple ring section of jurisdiction to another fixed plate, then rotate the depression bar, make the depression bar rotate to another first downthehole, can carry out the centre gripping to the multiple ring section of jurisdiction on vertical direction through dead lever and depression bar this moment, through rotating the housing screw, under the effect of first screw hole, can make the housing screw rotate while moving, thereby make the housing screw block go into the corresponding chute, thereby the hypotenuse of chute can extrude the depression bar, make the depression bar can compress tightly the multiple ring section of jurisdiction;

through rotating the rotor plate, the rotor plate can drive adjusting screw and rotate, under the effect of second screw hole, can make adjusting screw rotate while removing, adjusting screw can drive splint and remove to splint can be fixed to the centre gripping of multi-ring section of jurisdiction on the horizontal direction, thereby be convenient for make up the concatenation to the multi-ring section of jurisdiction, make things convenient for people's use.

The utility model relates to a rationally, can carry out the centre gripping to the multi-ring section of jurisdiction in level and vertical direction and fix to be convenient for make up the concatenation to the multi-ring section of jurisdiction, make things convenient for people's use.

Drawings

Fig. 1 is a schematic view of a shield tunnel comprehensive test platform according to the present invention;

fig. 2 is a schematic side view of a fixing structure of a shield tunnel comprehensive test platform provided by the present invention;

fig. 3 is the utility model provides a shield method tunnel combined test platform's a part schematic structure.

In the figure: 1. a multi-ring segment; 2. a fixing mechanism; 3. a fixing plate; 4. fixing the rod; 5. a first hole; 6. a pressure lever; 7. a first threaded hole; 8. a compression screw; 9. a placement groove; 10. a splint; 11. a second threaded hole; 12. adjusting the screw rod; 13. a rotating plate; 14. a limiting hole; 15. a limiting rod; 16. a pin shaft; 17. an experiment platform body; 18. a chute.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a shield tunnel comprehensive test platform comprises an experiment platform body 17 and a multi-ring segment 1 positioned on the experiment platform body 17, wherein a plurality of fixing mechanisms 2 are installed on the multi-ring segment 1, each fixing mechanism 2 comprises two fixing plates 3 which are symmetrically arranged, one side, close to each other, of each fixing plate 3 is fixedly provided with the same fixing rod 4, the fixing plates 3 are moved to be provided with first holes 5 with open tops, one first hole 5 of the two first holes 5 is rotatably provided with a pressure lever 6, the pressure lever 6 is matched with the other first hole 5, both sides of the pressure lever 6 are provided with inclined grooves 18, both inner walls of the other first hole 5 are provided with first threaded holes 7, a compression screw 8 is installed in the first threaded hole 7 in a threaded manner, the compression screw 8 is matched with the corresponding inclined groove 18, one side, close to each fixing plate 3 is provided with a placing groove 9, a second threaded hole 11 is formed in the inner wall of one side of the placing groove 9, an adjusting screw 12 is installed in the second threaded hole 11 in a threaded mode, a clamping plate 10 is installed at one end of the adjusting screw 12 in a rotating mode, the clamping plate 10 is matched with the corresponding multi-ring duct piece 1, and a rotating plate 13 is fixedly installed at the other end of the adjusting screw 12.

The utility model discloses in, set up the spacing hole 14 that two symmetries set up on one side inner wall of standing groove 9, one side fixed mounting of splint 10 has the gag lever post 15 that two symmetries set up, and gag lever post 15 slidable mounting can make splint 10 carry out stable removal in the spacing hole 14 that corresponds.

The utility model discloses in, the rotation groove has all been seted up to one side that two splint 10 kept away from each other, and the one end that two adjusting screw 12 are close to each other rotates respectively and installs at the rotation inslot that corresponds.

The utility model discloses in, rotate on the both sides inner wall of a first hole 5 in two first holes 5 and install same round pin axle 16, and the depression bar 6 fixed cover is established on round pin axle 16.

The utility model discloses in, the quantity of fixed establishment 2 is three to four, and three to four fixed establishment 2 are the equidistant setting of annular.

In the utility model, when in use, the multi-ring duct piece 1 needs to be combined and spliced, firstly, the compression bar 6 is rotated to ensure that the compression bar 6 and a corresponding fixed plate 3 are positioned on the same vertical axis, then, another fixed plate 3 penetrates through the multi-ring duct piece 1, then, the compression bar 6 is rotated to ensure that the compression bar 6 can be rotated into another first hole 5, at the moment, the multi-ring duct piece 1 can be clamped in the vertical direction through the fixed bar 4 and the compression bar 6, through rotating the compression screw 8, under the action of the first threaded hole 7, the compression screw 8 can be rotated and moved at the same time, so that the compression screw 8 is clamped into the corresponding chute 18, thereby the bevel edge of the chute 18 can extrude the compression bar 6, the compression bar 6 can compress the multi-ring duct piece 1, through rotating the rotating plate 13, the rotating plate 13 can drive the adjusting screw 12 to rotate, under the action, can make adjusting screw 12 rotate on one side and remove, adjusting screw 12 can drive splint 10 and remove to splint 10 can be fixed to the centre gripping of multi-ring section of jurisdiction 1 on the horizontal direction, thereby be convenient for make up the concatenation to multi-ring section of jurisdiction 1, make things convenient for people's use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A shield tunnel comprehensive test platform comprises an experiment platform body (17) and a multi-ring pipe piece (1) positioned on the experiment platform body (17), and is characterized in that a plurality of fixing mechanisms (2) are installed on the multi-ring pipe piece (1), each fixing mechanism (2) comprises two symmetrically arranged fixing plates (3), one side, close to each other, of each fixing plate (3) is fixedly provided with the same fixing rod (4), the fixing plates (3) are moved to form first holes (5) with the tops open, a pressure rod (6) is rotatably installed in one first hole (5) of the two first holes (5), the pressure rod (6) is matched with the other first hole (5), two sides of the pressure rod (6) are provided with chutes (18), two inner walls of the other first hole (5) are provided with first threaded holes (7), a compression screw (8) is installed in the first threaded holes (7), and compression screw (8) and chute (18) looks adaptation that corresponds, standing groove (9) have all been seted up to one side that two fixed plates (3) are close to each other, have seted up second screw hole (11) on one side inner wall of standing groove (9), and adjusting screw (12) are installed to second screw hole (11) internal thread, and splint (10) are installed in the one end rotation of adjusting screw (12), and splint (10) and the polycyclic duct piece (1) looks adaptation that corresponds, the other end fixed mounting of adjusting screw (12) has rotor plate (13).

2. The comprehensive shield tunnel test platform according to claim 1, wherein two symmetrically arranged limiting holes (14) are formed in an inner wall of one side of the placing groove (9), two symmetrically arranged limiting rods (15) are fixedly mounted on one side of the clamping plate (10), and the limiting rods (15) are slidably mounted in the corresponding limiting holes (14).

3. The comprehensive test platform for the shield tunnel according to claim 1, wherein one sides of the two clamping plates (10) far away from each other are provided with a rotating groove, and one ends of the two adjusting screws (12) close to each other are rotatably mounted in the corresponding rotating grooves respectively.

4. The comprehensive test platform for the shield tunnel according to claim 1, wherein the same pin shaft (16) is rotatably mounted on the inner walls of the two sides of one first hole (5) of the two first holes (5), and the compression bar (6) is fixedly sleeved on the pin shaft (16).

5. The comprehensive shield tunnel test platform according to claim 1, wherein the number of the fixing mechanisms (2) is three to four, and the three to four fixing mechanisms (2) are arranged in an annular shape at equal intervals.

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