Stability testing device for shield tail sealing grease

Abstract

The utility model discloses a stability testing device for shield tail sealing grease, and aims to provide a stability testing device for shield tail sealing grease, which is convenient for rapid material replacement and batch detection. The upper end of the testing water tank is connected with a washing assembly, a sample bottom plate and a material moving assembly are arranged in the testing water tank, the testing water tank is provided with a material changing opening and a water outlet, the material moving assembly is movably connected with the testing water tank, the material moving assembly is movably connected with the sample bottom plate, the material moving assembly is provided with a plurality of positioning grooves, and filling pipes are inserted into the positioning grooves; and the material changing opening is opposite to the filling pipe and is connected with a water baffle. The beneficial effects of the utility model are that the testing device is convenient to change materials; the detection efficiency and the operation precision are improved; the structure installation stability and the water pressure test accuracy are improved; the testing fluency is improved, and water accumulation is prevented; and the operation convenience is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to shield tail sealing grease detection technical field especially points to a kind of stability test device of shield tail sealing grease. BACKGROUND

[0002] Track and underground engineering construction has generally adopted shield construction method technology, and shield tail sealing grease is one of the most important sealing materials. Therefore, excellent shield tail sealing grease is particularly important in shield construction method, and its efficient sealing performance and good lubricating effect can effectively protect the shield tail, avoid collapse accidents, fully isolate groundwater and slurry, and ensure the smooth progress of shield construction. Not only that, excellent shield tail sealing oil can effectively prevent the corrosion of shield machine and avoid unnecessary wear. The product is easily washed away by water in the presence of water, resulting in a large amount of shield grease loss, which will cause damage to the equipment structure over time. Therefore, the product of shield tail sealing grease needs to have good stability to have flushing performance.

[0003] Chinese patent authorized announcement number: CN 216665612 U, authorized announcement date 2022-06-03, the utility model relates to a kind of shield tail grease of shield tail oil's water scouring resistance test device, the test device includes test water tank, water pump, water supply pipe, outlet pipe, fan-shaped nozzle, flowmeter, filling mold, slot frame, the lower inner wall of test water tank is equipped with slot frame, slot frame is equipped with filling mold, the upper portion of filling mold is equipped with fan-shaped nozzle, the upper portion of test water tank is equipped with water pump, fan-shaped nozzle is connected with water pump by outlet pipe, one side of water pump is connected with one end of water supply pipe. The technical scheme has the following disadvantages: the connection of filling mold in test water tank leads to limited activity, so it is difficult to realize rapid replacement detection, and it is also difficult to batch detection, which affects detection efficiency.

[0004] In summary: the test device has the disadvantages of difficult replacement and low test efficiency. UTILITY MODEL CONTENT

[0005] The utility model is to overcome the deficiencies of the prior art test device, which is difficult to replace and has low test efficiency, and provides a stability test device for shield tail sealing grease, which is convenient for rapid replacement and batch detection.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The application relates to a stability testing device for shield tail sealing grease, which comprises a testing water tank, a flushing assembly is connected to the upper end of the testing water tank, a sample base plate and a material moving assembly are arranged in the testing water tank, the testing water tank is provided with a material replacing opening and a water outlet, the material moving assembly is movably connected to the testing water tank, the material moving assembly is movably connected to the sample base plate, the material moving assembly is provided with a plurality of positioning grooves, a filler pipe is inserted into the positioning grooves, the material replacing opening is arranged opposite to the filler pipe, and a water baffle is connected to the material replacing opening.

[0008] The upper portion of the testing water tank is provided with a flushing assembly, water flow is flushed through the flushing assembly, the shield tail sealing grease in the filler pipe in the water tank is subjected to stamping, and then whether the shield tail sealing grease has strong water flushing resistance is detected, so as to reflect the product stability of the shield tail sealing grease. The sample base plate and the material moving assembly are arranged in the testing water tank, the material moving assembly can reciprocally slide on the sample base plate, a plurality of positioning grooves are arranged on the surface of the material moving assembly, the filler pipe placed in the positioning grooves can be accurately placed below the flushing assembly for water flushing resistance test, the filler pipe can be flexibly moved on the sample base plate, the filler pipe can be moved at two positions of the flushing assembly and the material replacing opening, so as to be in a working state and a material replacing state, a plurality of positioning grooves are arranged, so as to realize batch material replacing detection; the material replacing opening is connected with a water baffle, so as to prevent the flushing water from flowing out. The effects of facilitating material replacing, improving detection efficiency and operation precision are achieved.

[0009] As preferred, the flushing assembly comprises a supporting frame and a water inlet pipe, the supporting frame is connected to the testing water tank, one end of the water inlet pipe is connected with a water supply device, the supporting frame is connected to the water inlet pipe, the other end of the water inlet pipe is connected with a flushing nozzle, and the flushing nozzle is arranged opposite to the filler pipe. The supporting frame in the flushing assembly supports the water inlet pipe, so that the water inlet pipe can be stably connected to the testing water tank and hung above the filler pipe, the water supply device connected to the water inlet pipe can supply water to the water inlet pipe, the other end of the water inlet pipe is connected with the flushing nozzle, so that the flushing water can uniformly flow out, and then more uniform and stable water flushing resistance test can be carried out. The effects of improving structural installation stability and water pressure test accuracy are achieved.

[0010] As preferred, the testing water tank is connected with a supporting rod, the supporting rod is connected to the sample base plate, the sample base plate is provided with a guide sliding groove, the guide sliding groove is provided with a water outlet hole, the material moving assembly comprises a sliding plate, the sliding plate is slidably connected to the guide sliding groove, and the positioning groove is arranged on the filler pipe. The sample base plate is connected to the inner wall of the testing water tank through the supporting rod, so as to support the sample base plate and let the water flow through, prevent water accumulation from affecting the test progress, the guide sliding groove is provided with a guide hole, so as to further increase the water permeability, the sample base plate is provided with the guide sliding groove, so that the sliding plate can move along the guide sliding groove, and the filler pipe can be stably moved. The effects of improving test fluency, preventing water accumulation and improving flushing precision are achieved.

[0011] As preferred, the cross section shape of the filler pipe is wedge shape. The cross section area of the end of the filler pipe inserted into the positioning groove is smaller than the opening of the positioning groove, so that the vertical cross section shape of the filler pipe is wedge shape, so that the filler pipe can be quickly inserted and pulled out of the positioning groove. The effect of improving the refilling efficiency is achieved.

[0012] As preferred, the refilling assembly comprises a push rod, the test water tank is provided with a through hole, the sliding plate is provided with a connecting groove, one end of the push rod is inserted into the connecting groove, and the other end of the push rod is inserted into the through hole. One end of the push rod in the refilling assembly is connected to the sliding plate, and the other end of the push rod extends out of the through hole, so that the sliding plate can be withdrawn from the refilling opening by pushing the push rod outside the test water tank, and the new and old filler pipes can be quickly replaced. The effect of improving the operation convenience and efficiency is achieved.

[0013] As preferred, the test water tank is provided with a guide groove, the water baffle is connected with a sliding block, and the sliding block is slidingly connected with the guide groove. The water baffle is connected with the test water tank through the sliding block, so that the water baffle can move up and down, and the opening and closing of the refilling opening are realized. The effect of improving the operation convenience is achieved.

[0014] The beneficial effects of the utility model are: the test device is convenient for refilling; the detection efficiency and operation precision are improved; the structural installation stability and water pressure test accuracy are improved; the test fluency is improved, and water accumulation is prevented; and the operation convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the perspective view of the utility model;

[0016] Figure 2 is Figure 1 the top view of

[0017] Figure 3 is Figure 1 the rear view of

[0018] Figure 4 is the sectional view of the sliding plate and the filler pipe connection.

[0019] In the drawing: 1. test water tank, 2. sample bottom plate, 3. refilling opening, 4. positioning groove, 5. filler pipe, 6. water baffle, 7. support frame, 8. water inlet pipe, 9. shower nozzle, 10. support rod, 11. guide sliding groove, 12. sliding plate, 13. push rod, 14. through hole, 15. connecting groove, 16. guide groove, 17. sliding block, 18. water outlet pipe, 19. water outlet hole, 20. linkage rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. The following description of at least one example embodiment is merely illustrative in nature and not intended to be limiting of the application or its application or uses. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of the present application.

[0021] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular forms are intended to include the plural forms, unless the context clearly indicates otherwise, and it should be further understood that the terms "comprise" and / or "include" when used in this specification, indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless specifically stated otherwise, the relative arrangements of the components illustrated in these embodiments, the numerical expressions and numerical values set forth in the examples are not meant to limit the scope of the present application. For the purpose of clarity, spatially relative terms such as "upper", "lower", "left", "right", and the like, are used in the description and accompanying drawings to describe the relationship of one element or feature to another element or feature as illustrated in the drawings. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation, in addition to the orientation depicted in the drawings. For example, if the device is inverted, elements described as being "below" or "beneath" other elements or features would be oriented "above" or "over" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein interpreted accordingly. It will be further understood that, due to the nature of the present application, the drawings are not necessarily drawn to scale, and that the exemplary embodiments are illustrated in the drawings by way of example and not limitation, with like references numerals illustrating like elements across the various drawings. Any specific values recited in the examples are to be interpreted as illustrative only and not limiting. Thus, other examples of the exemplary embodiments can have different values. It is noted that like references numerals and letters indicate like parts throughout the several views of the drawings.

[0023] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0024] Example 1:

[0025] like Figure 1 As shown, a stability testing device for shield tail sealing grease includes a test water tank 1, a flushing component connected to the upper end of the test water tank 1, a sample base plate 2 and a material transfer component inside the test water tank 1, a material exchange port 3 and a water outlet in the test water tank 1, the material transfer component is movably connected to the test water tank 1 and is movably connected to the sample base plate 2, the material transfer component is provided with a plurality of positioning grooves 4, a packing tube 5 is inserted into the positioning grooves 4, the material exchange port 3 is arranged opposite to the packing tube 5, and a baffle plate 6 is connected to the material exchange port 3.

[0026] like Figure 1 , 2 As shown, the flushing assembly includes a support frame 7 and an inlet pipe 8. The support frame 7 is connected to the test water tank 1. One end of the inlet pipe 8 is connected to an external water supply device. The support frame 7 is connected to the inlet pipe 8, and the other end of the water distribution pipe is connected to a shower head 9. The shower head 9 is arranged opposite to the packing tube 5. The test water tank 1 is connected to a support rod 10, which is connected to the sample base plate 2. The sample base plate 2 is provided with a guide groove 11, which is provided with a water outlet 19. The material transfer assembly includes a sliding plate 12, which is slidably connected to the guide groove 11. The positioning groove 4 is placed on the packing tube 5.

[0027] like Figure 4 As shown, the cross-sectional shape of the packing tube 5 is wedge-shaped.

[0028] like Figures 1-3 As shown, the material transfer assembly includes a push rod 13, a test water tank 1 with a through hole 14, and a sliding plate 12 with a connecting groove 15. One end of the push rod 13 is inserted into the connecting groove 15, and the other end of the push rod 13 is inserted into the through hole 14. The test water tank 1 is provided with a guide groove 16, and a water baffle 6 is connected to a slider 17, which is slidably connected to the guide groove 16.

[0029] like Figures 1-4 As shown: the outlet is connected to the outlet pipe 18 for drainage, and the inlet pipe 8 is connected to an external water supply device (not shown in the figure). The inlet pipe 8 is equipped with a switch valve and a flow meter (not shown in the figure) for flow switch control and flow counting of flushing.

[0030] The push rod 13 is provided with two, the push rod 13 is provided with linkage rod 20, one end of linkage rod 20 is hinged with one of push rod 13, the other end is hinged with another push rod 13, linkage rod 20 is movably connected with through hole 14, so that push rod 13 is pushed out by rotating linkage rod 20 to push slide plate 12, at the same time, slide plate 12 is reset by reset push rod 13, and linkage rod 20 is stored by rotating on push rod 13, so as to improve the operation stability and efficiency.

[0031] In use: test: open the water inlet pipe 8 by the switch valve to start the water to flush the shield tail sealing grease in the lower filler pipe 5, after the timed and quantitative flushing, the surface deformation and weight reduction of the shield tail sealing grease after flushing are observed to record the water flushing resistance performance. Change material: move the water baffle 6 upward to expose the material changing port 3, rotate the linkage rod 20 to make the linkage rod 20 parallel to the push rod 13, push the linkage rod 20 to make the push rod 13 push the slide plate 12 out of the guide chute 11 until the material changing port 3, then the tested filler pipe 5 can be taken down, the new filler pipe 5 filled with shield tail sealing grease is changed, the push rod 13 and the water baffle 6 are reset, and the next round of test can be started.

[0032] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. A device for testing the stability of a shield tail sealing grease, characterized in that The utility model provides a test water tank (1) is connected with the scouring assembly on the upper end, be equipped with sample bottom plate (2) and material removal assembly in the test water tank (1), be equipped with the material replacement port (3) and water outlet of test water tank (1), material removal assembly is movably connected with test water tank (1), material removal assembly is movably connected with sample bottom plate (2), material removal assembly is equipped with a plurality of positioning groove (4), the positioning groove (4) is inserted with filler pipe (5), the material replacement port (3) is opposite arrangement with filler pipe (5), the material replacement port (3) is connected with the water baffle (6).

2. The device for testing the stability of a shield tail sealing grease according to claim 1, wherein The scouring assembly includes a support frame (7) and a water inlet pipe (8), the support frame (7) is connected with the test water tank (1), one end of the water inlet pipe (8) is connected with a water supply device, the support frame (7) is connected with the water inlet pipe (8), the other end of the water inlet pipe (8) is connected with a shower nozzle (9), the shower nozzle (9) is opposite arrangement with the filler pipe (5).

3. A device for testing the stability of a shield tail sealing grease according to claim 2, characterized in that The test water tank (1) is connected with a support rod (10), the support rod (10) is connected with the sample bottom plate (2), the sample bottom plate (2) is provided with a guide chute (11), the guide chute (11) is provided with a water outlet hole (19), the material removal assembly includes a sliding plate (12), the sliding plate (12) is slidably connected with the guide chute (11), and the positioning groove (4) is arranged on the filler pipe (5).

4. The device for testing the stability of a shield tail sealing grease according to claim 3, characterized in that, The cross-sectional shape of the filler pipe (5) is wedge-shaped.

5. A device for testing the stability of a shield tail sealing grease according to claim 4, characterised in that The material removal assembly includes a push rod (13), the test water tank (1) is provided with a through hole (14), the sliding plate (12) is provided with a connecting groove (15), one end of the push rod (13) is inserted into the connecting groove (15), and the other end of the push rod (13) is inserted into the through hole (14).

6. A device for testing the stability of a shield tail sealing grease according to claim 5, characterized in that The test water tank (1) is provided with a guide groove (16), the water baffle (6) is connected with a sliding block (17), and the sliding block (17) is slidably connected with the guide groove (16).

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