Geotechnical cloth bursting test equipment

Abstract

The utility model relates to the field of geotechnical cloth testing equipment, in particular to geotechnical cloth bursting testing equipment, which comprises an upper clamping device, a lower clamping device, a lower clamping device and a control device, the upper clamping device comprises an upper clamping plate, the upper clamping plate is provided with an upper through hole, the bottom surface of the upper clamping plate is provided with an upper clamping area on the outer side of the upper through hole, and the upper clamping plate is provided with upper clamping grains in the upper clamping area; the lower clamping device comprises a lower clamping plate arranged on the lower side of the upper clamping plate and a first driving piece for driving the lower clamping plate to move up and down, a lower bursting hole is formed in the position, corresponding to the upper through hole, of the lower clamping plate, a lower clamping area is arranged on the portion, on the outer side of the lower bursting hole, of the top face of the lower clamping plate, and lower clamping lines are arranged on the portion, on the lower clamping area, of the lower clamping plate; the lower clamping plate can move upwards to the lower clamping lines and the upper clamping lines to clamp and fix the geotechnical cloth. The bursting assembly comprises an ejector rod arranged on the upper side of the upper clamping plate and a second driving piece capable of driving the ejector rod to move up and down. According to the utility model, the clamping and fixing structure of the geotechnical cloth is optimally arranged, so that the existing problems are effectively solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to geotextile testing equipment field, especially in geotextile top breaking test equipment. BACKGROUND

[0002] Geotextile is commonly used in civil construction isolation material, in the performance index test of geotextile, top breaking test strength test is the key link. At present, for the top breaking test of geotextile, it is disclosed in the patent (as follows is referred to as prior art 1) such as the public number CN212059745U geotextile puncture test device, after the clamping part clamps geotextile, the puncture rod is used to puncture geotextile.

[0003] When top breaking test is carried out, the stable fixation of geotextile has greater influence on test results, in the traditional test equipment, the geotextile is fixed by the way that the pressure disc is clamped and fixed by manual rotation bolt, and this way is more cumbersome. The elastic pressure rod of prior art 1 is arranged to automatically clamp and fix geotextile during the top breaking process, and the fixing force of this kind of fixing method is poor in balance, and the fixing effect still needs to be improved. UTILITY MODEL CONTENT

[0004] In order to solve the above technical problems, the utility model provides a kind of geotextile top breaking test equipment, by optimizing the clamping and fixing structure of geotextile, effectively solve the existing problems.

[0005] In order to solve the above problems, the utility model provides a kind of geotextile top breaking test equipment, including: upper holder, including upper clamping plate, the upper clamping plate is provided with upper through hole, the bottom surface of the upper clamping plate is provided with upper clamping area outside the upper through hole, and the upper clamping plate is provided with upper clamping line in the upper clamping area;Lower holder, including lower clamping plate arranged on the lower side of the upper clamping plate, first driving part for driving the lower clamping plate to move up and down, lower top breaking hole is arranged on the lower clamping plate corresponding to the position of the upper through hole, the top surface of the lower clamping plate is provided with lower clamping area outside the lower top breaking hole, and the lower clamping plate is provided with lower clamping line in the lower clamping area, and the lower clamping plate can be moved upwards to clamp and fix geotextile in the lower clamping line and the upper clamping line;Top breaking assembly, including top rod arranged on the upper side of the upper clamping plate, and second driving part for driving the top rod to move up and down.

[0006] Further, the upper holder includes a plurality of support columns, each of the support columns is arranged at intervals along the edge of the upper clamping plate, the lower clamping plate is arranged on the inner side of each of the support columns, and a space for passing geotextile is formed between adjacent two of the support columns.

[0007] Further, the first driving member comprises a screw lifter arranged at the lower side of the lower clamping plate.

[0008] Further, the upper clamping plate is provided with an upper elastic ring at the outer side of the upper clamping area; the top surface of the lower clamping plate is provided with a lower guide inclined surface, and when the upper clamping plate cover and the lower clamping plate move towards each other, the upper elastic ring can move outward along the lower guide inclined surface to drive the geotextile between the upper elastic ring and the lower guide inclined surface to move outward.

[0009] Further, the lower clamping plate is provided with a lower elastic ring at the outer side of the lower clamping area; the bottom surface of the upper clamping plate is provided with an upper guide inclined surface, and when the upper clamping plate cover and the lower clamping plate move towards each other, the lower elastic ring can move outward along the upper guide inclined surface to drive the geotextile between the lower elastic ring and the upper guide inclined surface to move outward.

[0010] Further, the upper clamping plate is detachably mounted on the support column.

[0011] Further, the upper clamping device further comprises a connecting ring connected to the top of each support column, and the upper clamping plate is detachably connected to the connecting ring through bolts.

[0012] Further, the second driving member comprises a cross beam, two screws arranged at the two ends of the cross beam respectively, and a motor driving the screws to rotate, and the two ends of the cross beam are respectively provided with screw sleeves, and the screw sleeves are connected with the corresponding screws.

[0013] Further, the output shaft of the motor is connected with one of the screws, and the two screws are connected through a belt drive.

[0014] Further, the upper clamping pattern comprises a plurality of upper ring patterns which are successively sleeved, and the lower clamping pattern comprises a plurality of lower ring patterns which are successively sleeved.

[0015] The geotextile clamping and fixing structure is optimized, and the existing problems are effectively solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and serve to explain the present application. In the drawings:

[0017] Figure 1 It is a structural schematic view of an embodiment of the present application.

[0018] Figure 2 It is Figure 1A local enlarged structure schematic view at the middle of A.

[0019] Figure 3 For Figure 1 A bottom view of the upper clamping plate in the embodiment shown.

[0020] Figure 4 For Figure 1 A top view of the lower clamping plate in the position of the lower clamping area in the embodiment shown.

[0021] 1, the upper clamping plate; 2, the upper through hole; 3, the upper clamping line; 4, the lower clamping plate; 5, the first driving part; 6, the lower breaking hole; 7, the lower clamping line; 8, the geotextile; 9, the ejector pin; 10, the support column; 11, the upper elastic ring; 12, the lower guide inclined surface; 13, the connecting ring; 14, the bolt; 15, the crossbeam; 16, the lead screw; 17, the motor; 18, the lead screw sleeve; 19, the belt; 20, the upper ring; 21, the lower ring. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the utility model, the following will be combined with the description of the drawings in an exemplary manner to be described in detail.

[0023] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the protection scope of the utility model is not limited by the specific embodiments disclosed below.

[0024] In addition, in the description of the utility model, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0025] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood broadly, for example, can be fixed connection, or can be detachable connection, or can be integrated; can be directly connected, or can be indirectly connected through an intermediate medium; can be the communication or interaction relationship between two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through an excessive structure, but is connected only through the connecting structure to form a whole. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] In the present application, as shown in Figures 1 to 4 A geotextile burst testing device is provided, comprising: an upper holder, comprising an upper clamping plate 1, the upper clamping plate 1 is provided with an upper through hole 2, the bottom surface of the upper clamping plate 1 is provided with an upper clamping area outside the upper through hole 2, and the upper clamping plate 1 is provided with an upper clamping groove 3 in the upper clamping area; a lower holder, comprising a lower clamping plate 4 arranged on the lower side of the upper clamping plate 1, a first driving member 5 for driving the lower clamping plate 4 to move up and down, the lower clamping plate 4 is provided with a lower burst hole 6 corresponding to the position of the upper through hole 2, the top surface of the lower clamping plate 4 is provided with a lower clamping area outside the lower burst hole 6, and the lower clamping plate 4 is provided with a lower clamping groove 7 in the lower clamping area, and the lower clamping plate 4 can be moved upward to clamp and fix the geotextile 8 through the lower clamping groove 7 and the upper clamping groove 3; a burst assembly, comprising a top rod 9 arranged on the upper side of the upper clamping plate 1 and a second driving member for driving the top rod 9 to move up and down.

[0028] The burst testing device of the present application can clamp and fix the geotextile 8 by moving the lower clamping plate 4 upward through the first driving member 5 when the geotextile is placed on the top surface of the lower clamping plate 4, and the lower clamping groove 7 and the upper clamping groove 3 can gradually clamp and fix the geotextile 8. After the lower clamping plate 4 and the upper clamping plate 1 are clamped and fixed, the top rod 9 can be moved downward through the second driving member to test the burst of the geotextile 8 at the position of the upper through hole 2.

[0029] The present application can clamp and fix the geotextile 8 by moving the lower clamping plate 4 upward through the first driving member 5, which can reduce the complexity of manual fixing operation, and can provide balanced and stable clamping force to the geotextile through the annular clamping area compared with the technology provided in the prior art. Moreover, the upper clamping groove 3 and the lower clamping groove 7 cooperate to clamp and fix the geotextile 8 relatively tightly.

[0030] In a preferred embodiment, more specifically regarding the structure of this utility model, the upper clamp includes a plurality of support columns 10, each of the support columns 10 being spaced apart along the edge of the upper clamping plate 1, the lower clamping plate 4 being disposed on the inner side of each of the support columns 10, and a space for geotextile 8 to pass through is formed between two adjacent support columns 10.

[0031] As shown in the figure, this allows for convenient placement of geotextile 8 through the gaps in the support columns 10. In a specific embodiment, two support columns 10 can be provided, with the two support columns 10 located at opposite ends of the diameter of the circle centered on the upper through hole 2; or, three support columns 10 can be provided, with the three support columns 10 arranged at 120° central angles around the center of the upper through hole 2.

[0032] In the illustrated embodiment, specifically regarding the structure of this utility model, the first driving member 5 includes a screw jack disposed below the lower clamping plate 4. As shown, the screw jack includes a horizontally positioned motor and a vertical lifting rod. A fixing cylinder is provided at the top of the lifting rod, and the lower clamping plate 4 is mounted on the top of the fixing cylinder.

[0033] In optional embodiments, the first driving component 5 can also be a vertically arranged cylinder or hydraulic cylinder. Alternatively, other lifting drive structures capable of moving the lower clamping plate 4 up and down can be used, such as a gear and rack lifting structure.

[0034] In the illustrated embodiment, the structure of this utility model is further described in detail as follows: Figure 2 As shown, the upper clamping plate 1 is provided with an upper elastic ring 11 on the outer side of the upper clamping area; the top surface of the lower clamping plate 4 is provided with a lower guide slope 12. When the upper clamping plate 1 and the lower clamping plate 4 move towards each other, the upper elastic ring 11 can move downward and outward along the lower guide slope 12 to drive the geotextile 8 between the upper elastic ring 11 and the lower guide slope 12 to move outward.

[0035] like Figure 2 As shown, by setting an upper elastic ring 11, when the lower clamping plate 4 moves upward, the upper elastic ring 11 first abuts the geotextile 8 against the lower guide slope 12. As the lower clamping plate 4 continues to move upward, the upper elastic ring 11 rubs the geotextile downward under the guidance of the lower guide slope 12, so as to drive the geotextile 8 inside the upper elastic ring 11 to stretch outward as a whole. This arrangement of stretching the geotextile at the lower top hole 6 position, when the upper clamping pattern 3 and the lower clamping pattern 7 fix the geotextile 8, can make the geotextile 8 located at the upper through hole 2 position have better stretching quality.

[0036] In alternative embodiments, the elastic ring and the guide slope can also be arranged reversely, specifically, the lower clamping plate 4 is provided with a lower elastic ring outside the lower clamping area; the bottom surface of the upper clamping plate 1 is provided with an upper guide slope, and when the upper clamping plate 1 cover and the lower clamping plate 4 move towards each other, the lower elastic ring can move outward along the upper guide slope to drive the geotextile 8 between the lower elastic ring and the upper guide slope to move outward.

[0037] In preferred embodiments, for the structure of the utility model, further specifically, the upper clamping plate 1 is detachably installed on the support column 10. As shown in the figure, it is convenient to detach the upper clamping plate 1 and adjust when the upper clamping plate 1 deforms.

[0038] In preferred embodiments, for the structure of the utility model, further specifically, the upper clamping plate 1 is detachably installed on the support column 10. As shown in the figure, it is convenient to detach the upper clamping plate 1 and adjust when the upper clamping plate 1 deforms.

[0039] In preferred embodiments, for the structure of the utility model, further specifically, the second driving member includes a crossbeam 15, two lead screws 16 respectively arranged at both ends of the crossbeam 15, and a motor 17 driving the lead screws 16 to rotate, both ends of the crossbeam 15 are respectively provided with a lead screw sleeve 18, and the lead screw sleeve 18 is connected with the corresponding lead screw 16.

[0040] In preferred embodiments, for the structure of the utility model, further specifically, the output shaft of the motor 17 is connected with one of the lead screws 16, and the two lead screws 16 are drivingly connected through a belt 19.

[0041] In preferred embodiments, for the structure of the utility model, further specifically, the upper clamping groove 3 includes a plurality of upper ring grooves 20 successively sleeved, and the lower clamping groove 7 includes a plurality of lower ring grooves 21 successively sleeved.

[0042] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between each embodiment can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0043] The above only describes the embodiments of the application and does not limit the application. Those skilled in the art can make various modifications and changes to the application. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the application shall be included in the scope of claims of the application.

Claims

1. A geotextile burst test apparatus characterized by, The utility model provides a kind of geotextile cutting device, including: Upper holder, including upper clamping plate, upper through hole is provided with in the upper clamping plate, the bottom surface of the upper clamping plate is provided with upper clamping area outside the upper through hole, the upper clamping plate is provided with upper clamping line in the upper clamping area; Lower holder, including lower clamping plate being arranged in the lower side of the upper clamping plate, first driving part moving the lower clamping plate up and down, the lower clamping plate is provided with lower top breaking hole corresponding the position of the upper through hole, the top surface of the lower clamping plate is provided with lower clamping area outside the lower top breaking hole, the lower clamping plate is provided with lower clamping line in the lower clamping area, the lower clamping plate can be moved to the lower clamping line and the upper clamping line and fixed geotextile; Top breaking assembly, including top rod being arranged in the upper side of the upper clamping plate, second driving part can drive the top rod to move up and down.

2. A geotextile burst test apparatus according to claim 1, wherein, The upper holder includes a plurality of support columns, each of the support columns is arranged along the edge of the upper clamping plate, the lower clamping plate is arranged inside each of the support columns, and a space for passing geotextile is formed between adjacent two of the support columns.

3. A geotextile burst test apparatus according to claim 1, wherein, The first driving part includes a screw lifter arranged on the lower side of the lower clamping plate.

4. A geotextile burst test apparatus according to claim 1, wherein, The upper clamping plate is provided with an upper elastic ring outside the upper clamping area; the top surface of the lower clamping plate is provided with a lower guide slope, and when the upper clamping plate cover and the lower clamping plate move towards each other, the upper elastic ring can move outward and downward along the lower guide slope to drive the geotextile between the upper elastic ring and the lower guide slope to move outward.

5. A geotextile burst test apparatus according to claim 4, wherein, The lower clamping plate is provided with a lower elastic ring outside the lower clamping area; the bottom surface of the upper clamping plate is provided with an upper guide slope, and when the upper clamping plate cover and the lower clamping plate move towards each other, the lower elastic ring can move outward and upward along the upper guide slope to drive the geotextile between the lower elastic ring and the upper guide slope to move outward.

6. A geotextile burst test apparatus according to claim 2, wherein, The upper clamping plate is detachably mounted on the support column.

7. A geotextile burst test apparatus according to claim 6, wherein, The upper holder further includes a connecting ring connecting the top of each of the support columns, and the upper clamping plate is detachably connected to the connecting ring through bolts.

8. A geotextile burst test apparatus according to claim 1 wherein, The second driving part includes a crossbeam, two screws arranged at the two ends of the crossbeam respectively, and a motor driving the screws to rotate, and the crossbeam is provided with a screw sleeve at each end, and the screw sleeve is connected with the corresponding screw.

9. A geotextile burst test apparatus according to claim 8, wherein, The output shaft of the motor is connected with one of the screws, and the two screws are connected through a belt drive.

10. A geotextile burst test apparatus according to claim 1 wherein, The upper clamping line includes a plurality of upper ring lines arranged in sequence, and the lower clamping line includes a plurality of lower ring lines arranged in sequence.

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