Template of prefabricated tunnel reduced scale model

Abstract

The utility model relates to a testing device, in particular to a template of a prefabricated tunnel reduced scale model, which comprises a water tank and a prefabricated mold, the prefabricated mold is hinged in the water tank through a connecting shaft group, a driving motor is arranged on the outer side of the water tank, and the output end of the driving motor is connected with the connecting shaft group; cover plates are arranged on the two sides of the prefabricated mold through hinge pieces, and a sealing ring is arranged in the prefabricated mold. The connecting shaft set comprises driving shafts and driven shafts, the driving shafts are located at the two ends of the left side of the prefabricating mold, the driven shafts are located at the two ends of the right side of the prefabricating mold, and the output ends of the driving motors are connected with the driving shafts. Sliding rails are arranged on the inner walls of the two ends of the right side of the pool, and the driven shafts are located in the sliding rails respectively. According to the utility model, the manufactured model test block can be directly used for testing, the test efficiency is improved, the experiment error rate is reduced, the experiment sealing performance can be improved, and the experiment reliability and accuracy are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a test device, concretely relates to a template of prefabricated tunnel scale model. BACKGROUND

[0002] At present, when the tunnel scale model carries out the penetration test, need first through the prefabricated mould and make the model test block required by the test. In the model test block transfer, possibly will happen the knock, lead to the test result is not accurate. And when loading the model test block into the experimental mould, need the sealing ring on the model test block, the friction between the sealing ring and the experimental mould is big, not only the installation is time -consuming and labor -intensive, also can cause the test result to appear the deviation because of the bad sealing. UTILITY MODEL CONTENTS

[0003] The utility model discloses a template of prefabricated tunnel scale model, solved the problem that the model test block needs to transfer, and improve the sealing.

[0004] The utility model discloses a template of prefabricated tunnel scale model, solved the problem that the model test block needs to transfer, and improve the sealing.

[0005] A template of prefabricated tunnel scale model, including water pool and prefabricated mould, the prefabricated mould is hinged in water pool through connecting shaft group, and the outer side of water pool is equipped with drive motor, and the output end of drive motor is connected with connecting shaft group.

[0006] Further, the connecting shaft group includes driving shaft and driven shaft, and the driving shaft is respectively located at both ends of the left side of the prefabricated mould, and the driven shaft is located at both ends of the right side of the prefabricated mould, and the output end of the drive motor is connected with the driving shaft.

[0007] Further, the inner wall of both ends of the right side of the water pool is equipped with sliding rail, and the driven shaft is located in the sliding rail.

[0008] Further, the hinged piece includes first hinged rod and second hinged rod, and the bottom end of the first hinged rod is hinged on the water pool, and the top end of the first hinged rod is hinged with the top end of the second hinged rod, and the bottom end of the second hinged rod is connected with the cover plate.

[0009] Further, it further includes booster pump, and the prefabricated mould is equipped with first water inlet, and the booster pump is equipped with second water outlet, and the first water inlet is communicated with the second water outlet through water inlet pipe.

[0010] Further, the water pool is equipped with first water outlet, and the booster pump is equipped with second water inlet, and the first water outlet is communicated with the second water inlet through water outlet pipe.

[0011] Further, the booster pump is provided with an electronic display screen and a water pressure adjusting knob, the electronic display screen is used for displaying water pressure value in real time, and the water pressure adjusting knob is used for adjusting water pressure entering the prefabricated mold.

[0012] Further, the prefabricated mold is arc-shaped, and cover plates are arranged on two sides of the prefabricated mold respectively, and the cover plates are matched with the prefabricated mold; the cover plates are provided with bolt holes, and the cover plates are connected to the prefabricated mold through bolts.

[0013] Compared with the prior art, the utility model has the advantages and beneficial effects that:

[0014] The prefabricated mold is used for manufacturing the model test block which can simulate the multilayer structure of the tunnel, and the sealing ring is installed at the bottom of the prefabricated mold before the model test block is manufactured, so that the sealing property of the prefabricated mold is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a template schematic diagram of a prefabricated tunnel scale model.

[0016] Fig. 2 It is a prefabricated mold rotating schematic diagram.

[0017] Fig. 3 It is a booster pump schematic diagram.

[0018] In the drawing: 1, water pool; 2, prefabricated mold; 3, booster pump; 4, driving motor; 5, hinged piece; 6, cover plate; 7, driving shaft; 8, driven shaft; 9, sliding rail; 11, first water inlet; 12, second water outlet; 13, first water outlet; 14, second water inlet; 15, electronic display screen; 16, water pressure adjusting button. DETAILED DESCRIPTION

[0019] As Figs. 1-2As shown, a prefabricated tunnel scale model template includes a water tank 1, a prefabricated mold 2 and a booster pump 3, the prefabricated mold 2 is hinged in the water tank 1 through a connecting shaft group, a driving motor 4 is arranged outside the water tank 1, and the output end of the driving motor 4 is connected with the connecting shaft group; the prefabricated mold 2 is provided with a cover plate 6 on both sides through a hinge 5, and the prefabricated mold 2 is provided with a sealing ring. Before making the concrete mold, first, fix the sealing ring at the bottom of the prefabricated mold 2 to improve the sealing property of the prefabricated mold 2. Then cover the cover plate 6 on the top of the prefabricated mold 2, add concrete into the prefabricated mold 2 to form a model test block, the model test block includes a secondary lining layer, an inverted arch layer and a drainage board geotextile, the model test layer can be rotated by 90° when each layer is formed, the impermeability of each layer structure is detected, and the model test block as a whole can also be detected, so that the impermeability of the model test block can be more intuitively understood. After forming the model test block, rotate the prefabricated mold 2 by 90° through the driving motor 4 to simulate the real tunnel structure and test the water permeability.

[0020] The connecting shaft group includes a driving shaft 7 and a driven shaft 8, the driving shaft 7 is respectively located at both ends of the left side of the prefabricated mold 2, the driven shaft 8 is located at both ends of the right side of the prefabricated mold 2, and the output end of the driving motor 4 is connected with the driving shaft 7. The inner wall of both ends of the right side of the water tank 1 is provided with a sliding rail 9, and the driven shaft 8 is located in the sliding rail 9. When the driving motor 4 rotates forward, the driving motor 4 drives the driving shaft 7 to rotate, and the driven shaft 8 rotates counterclockwise in the sliding rail 9 under the driving of the driving shaft 7, and stops rotating after rotating by 90°. The driving motor 4 reverses, and the driven shaft 8 rotates clockwise along the sliding rail 9 until the driven shaft 8 is flush with the driving shaft 7.

[0021] The hinge 5 includes a first hinge rod and a second hinge rod, the bottom end of the first hinge rod is hinged on the water tank 1, the top end of the first hinge rod is hinged with the top end of the second hinge rod, and the bottom end of the second hinge rod is connected with the cover plate 6. When the concrete is added into the prefabricated mold 2, the cover plate 6 will be covered on the prefabricated mold 2 under the action of the first hinge rod and the second hinge rod, and the cover plate 6 can effectively prevent the model test block from falling during the test.

[0022] As Fig. 3As shown, the prefabricated mold 2 is provided with a first water inlet 11, the booster pump 3 is provided with a second water outlet 12, the first water inlet 11 is communicated with the second water outlet 12 through a water inlet pipe. The water tank 1 is provided with a first water outlet 13, the booster pump 3 is provided with a second water inlet 14, the first water outlet 13 is communicated with the second water inlet 14 through a water outlet pipe. The booster pump 3 is provided with an electronic display screen 15 and a water pressure adjusting knob 16, the electronic display screen 15 is used for real-time display of water pressure, the water pressure adjusting knob 16 is used for adjusting the water pressure entering the prefabricated mold 2. After the prefabricated mold 2 is rotated to 90°, the booster pump 3 is communicated with the prefabricated mold 2 through the water inlet pipe, the booster pump 3 will inject water into the prefabricated mold 2 to test the impermeability of the model test block, and the booster pump 3 is communicated with the water tank 1 through the water outlet pipe, the water entering the water tank 1 from the prefabricated mold will re-enter the booster pump 3 through the water outlet pipe, realizing circulation.

[0023] The prefabricated mold 2 is arc-shaped, which can effectively simulate the real tunnel situation, so that the test result is more accurate and reliable. The cover plates 6 are respectively located on both sides of the prefabricated mold 2, the cover plates 6 are matched with the prefabricated mold 2, the cover plates 6 are provided with bolt holes, and the cover plates 6 are connected to the prefabricated mold 2 through bolts.

[0024] Of course, the above description is not a limitation of the present application, and the present application is not limited to the above examples, and the changes, modifications, additions or replacements made by the person skilled in the art within the essential scope of the present application should also belong to the protection scope of the present application.

Claims

1. A template for a precast tunnel scale model, characterized in that, The utility model provides a prefabricated mould and water tank, the prefabricated mould is hinged in the water tank through connecting shaft group, the water tank outside is equipped with drive motor, and the output end of drive motor is connected with connecting shaft group, the both sides of prefabricated mould are equipped with cover plate through hinged part, and the prefabricated mould is equipped with sealing ring.

2. A template for a precast tunnel scale model according to claim 1, characterized in that The connecting shaft group includes driving shaft and driven shaft, the driving shaft is located at the both ends of the left side of the prefabricated mould respectively, and the driven shaft is located at the both ends of the right side of the prefabricated mould, and the output end of the drive motor is connected with the driving shaft.

3. A template for a precast tunnel scale model according to claim 2, characterised in that, The inner wall of the right side of the water tank is equipped with sliding rail, and the driven shaft is located in the sliding rail respectively.

4. A template for a precast tunnel scale model according to claim 1, wherein, The hinged part includes first hinged rod and second hinged rod, the bottom end of the first hinged rod is hinged on the water tank, the top end of the first hinged rod is hinged with the top end of the second hinged rod, and the bottom end of the second hinged rod is connected with the cover plate.

5. A template for a precast tunnel scale model according to claim 1, wherein, It also includes a booster pump, the prefabricated mould is equipped with first water inlet, the booster pump is equipped with second water outlet, and the first water inlet is communicated with the second water outlet through water inlet pipe.

6. A template for a precast tunnel scale model according to claim 5, wherein, The water tank is equipped with first water outlet, the booster pump is equipped with second water inlet, and the first water outlet is communicated with the second water inlet through water outlet pipe.

7. A template for a precast tunnel scale model according to claim 6, wherein, The booster pump is equipped with electronic display screen and water pressure adjusting knob, the electronic display screen is used for displaying water pressure figure in real time, and the water pressure adjusting knob is used for adjusting the water pressure of the prefabricated mould.

8. A template for a precast tunnel scale model according to claim 2, wherein, The prefabricated mould is arc-shaped, and the cover plate is located at the both sides of the prefabricated mould respectively, the cover plate is matched with the prefabricated mould, the cover plate is equipped with bolt hole, and the cover plate is connected on the prefabricated mould through bolt.

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