Stretching device for geotechnical cloth detection

Abstract

The utility model discloses a stretching device for geotechnical cloth detection, which comprises a base, a detection mechanism is arranged on the top surface of the base and is used for detecting the tensile strength of geotechnical cloth, and the utility model relates to the technical field of geotechnical cloth detection. According to the stretching device for geotechnical cloth detection, the position of the fixing screw rod is conveniently adjusted through the arranged movable blocks so as to adapt to geotechnical cloth of different sizes, in the using process, the forward and reverse thread screw rod is rotated to drive the sliding block so that the movable blocks can move to adjust the distance between the movable blocks, and when the distance is adjusted to be proper, rotation of the forward and reverse thread screw rod is stopped to fix the positions of the movable blocks; then the upper end and the lower end of the geotechnical cloth are placed on the inner sides of the groove plates, then the fixing screws are rotated to push the limiting blocks, the clamping plates move backwards, the geotechnical cloth is clamped through the groove plates, then stretching detection can be conducted, adjustment is convenient, it is avoided that the accuracy of the detection result is affected by breaking of the geotechnical cloth, and damage to equipment is also avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to geotextile detection technical field, specifically be a kind of geotextile detection tensile device. BACKGROUND

[0002] Geotextile, also known as geotextile, is a water-permeable geosynthetic material made of synthetic fibers by needling or weaving. It is divided into woven geotextile and non-woven filament geotextile, and the tensile test of geotextile is needed during production to measure its tensile strength and elongation at break under specified conditions to evaluate the bearing capacity of geotextile in practical application and its deformation characteristics under tensile force.

[0003] Referring to the tensile device for geotextile detection disclosed in the patent application with publication number CN219957166U, the device includes a base, a hydraulic cylinder fixed on the surface of the base, a top seat fixed on the end surface of the hydraulic cylinder, a tensile sensor installed on the surface of the base, a bottom plate installed on the surface of the tensile sensor, a first clamping plate fixed on the surface of the bottom plate, a second clamping plate fixed on the lower surface of the top seat, and a bolt threadedly connected to the inner surface of the first clamping plate and the second clamping plate. A pressing plate is slidably connected in the first clamping plate and the second clamping plate. The pressing plate is driven by the bolt to press and fix the cloth, which is convenient for clamping and fixing, stable clamping, simple mechanism and low cost.

[0004] However, the device fixes the position of geotextile by driving the pressing plate with a bolt, and the size of geotextile often varies. When different sizes of geotextile are encountered, the bolt drives the pressing plate to fix, and the force point at the clamping point of the bolt driving the pressing plate is relatively large. When the geotextile is subjected to tensile force, stress concentration may occur at the clamping point, which may cause the geotextile to be torn during the detection process, affecting the accuracy of the detection results and possibly damaging the equipment, and the practicality is general. UTILITY MODEL CONTENTS

[0005] In view of the shortcomings of the prior art, the utility model provides a tensile device for geotextile detection, which solves the problem that the existing tensile device for geotextile detection is not convenient to adjust the position of the bolt, which may cause the geotextile to be torn during the detection process when different sizes of geotextile are detected, affecting the accuracy of the detection results and possibly damaging the equipment, and the practicality is general.

[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: a tensile device for geotextile detection, comprising a base, a detection mechanism arranged on the top surface of the base for detecting the tensile strength of geotextile, and the detection mechanism comprising:

[0007] A tensile assembly is provided on the top surface of the base for fixing the position of the geotextile for tensile testing. The tensile assembly includes limit plates fixedly installed on the left and right sides of the top surface of the base, and hydraulic cylinders are fixedly installed on the left and right sides of the top surface of the base. A top plate and a bottom plate are movably installed on the outer side of the limit plates. The opposite sides of the top plate and the bottom plate are fixedly installed with groove plates, and a clamping plate is movably installed inside the groove plate. A driving assembly is provided on the front side of the groove plate to drive the clamping plate to fix geotextiles of different sizes.

[0008] The test component is arranged on the top surface of the base and is used to display the tensile test value.

[0009] Preferably, the driving assembly includes a movable groove provided on the front side of the groove plate, a sliding groove is provided on the bottom surface of the movable groove, movable blocks are movably installed at both ends of the movable groove, a sliding block is fixedly installed on the bottom surface of the movable block, a fixed screw is threadedly installed on the front side of the movable block, a limiting groove is provided on the front side of the splint, limiting blocks are slidably installed at both ends of the limiting groove, and a forward and reverse screw is movably installed inside the sliding groove.

[0010] Preferably, the output end of the hydraulic cylinder is fixedly mounted on the bottom surface of the top plate, and the top end of the limiting plate movably passes through the bottom surface of the bottom plate and the top plate and extends to the top surface of the top plate.

[0011] Preferably, the rear side of the movable groove passes through the front side of the groove plate and extends to the interior of the groove plate, the top surface of the movable block is slidably installed on the top surface of the movable groove, and the rear end thread of the fixed screw passes through the front side of the movable block and is movably installed on the front side of the limit block.

[0012] Preferably, the bottom surface of the slider is slidably installed inside the slide groove, the left end thread of the forward and reverse screw rod passes through the right side of the slider and is movably installed on the left side of the slide groove, and the right end of the forward and reverse screw rod movably passes through the interior of the slide groove and extends to the outside of the groove plate.

[0013] Preferably, the test assembly includes a base frame fixedly mounted on the top surface of the base, a first limit screw is threadedly mounted on the right side of the base frame, a dynamometer is movably mounted on the top surface of the base frame, a top frame is fixedly mounted on the bottom surface of the base plate, a second limit screw is threadedly mounted on the right side of the top frame, a hanging ring at the top end of the dynamometer is tightly attached to the inner side of the top frame, a hanging ring at the bottom end of the dynamometer is tightly attached to the inner side of the base frame, a left end thread of the first limit screw passes through the right side of the base frame and extends to the inner side of the base frame through the hanging ring at the bottom end of the dynamometer, and a left end thread of the second limit screw passes through the right side of the top frame and extends to the inner side of the top frame through the hanging ring at the top end of the dynamometer.

[0014] The utility model provides a stretching device for geotextile testing. Compared with the existing technology, it has the following advantages:

[0015] (1), the tensile device for geotextile detection, the position of the fixed screw rod is adjusted by the movable block, so that different sizes of geotextile are adapted, the movable block is moved by rotating the positive and negative screw rod to adjust the spacing of the movable block, when the appropriate spacing is adjusted, the positive and negative screw rod is stopped to fix the position of the movable block, then the upper and lower ends of the geotextile are placed into the inner side of the groove plate, the geotextile is clamped by rotating the fixed screw rod to push the limiting block to move the clamping plate backward through the groove plate, then the tensile detection can be carried out, the adjustment is convenient, the accuracy of the detection result is avoided to be influenced by the breakage of the geotextile, and damage to the equipment is avoided.

[0016] (2), the tensile device for geotextile detection, the position of the fixed screw rod is adjusted by the movable block, so that different sizes of geotextile are adapted, the movable block is moved by rotating the positive and negative screw rod to adjust the spacing of the movable block, when the appropriate spacing is adjusted, the positive and negative screw rod is stopped to fix the position of the movable block, then the upper and lower ends of the geotextile are placed into the inner side of the groove plate, the geotextile is clamped by rotating the fixed screw rod to push the limiting block to move the clamping plate backward through the groove plate, then the tensile detection can be carried out, the adjustment is convenient, the accuracy of the detection result is avoided to be influenced by the breakage of the geotextile, and damage to the equipment is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional appearance of the utility model;

[0018] Figure 2 It is a schematic diagram of the three-dimensional appearance of the utility model from the side view;

[0019] Figure 3 It is a schematic diagram of the three-dimensional appearance of the utility model from the side view; Figure 2 It is a schematic diagram of the three-dimensional appearance of the utility model from the side view;

[0020] Figure 4 It is a schematic diagram of the three-dimensional appearance of the utility model from the side view.

[0021] In the drawing: 1 - base, 2 - detection mechanism, 21 - stretching assembly, 211 - limiting plate, 212 - hydraulic cylinder, 213 - fixed screw rod, 214 - sliding groove, 215 - movable groove, 216 - movable block, 217 - limiting block, 218 - clamping plate, 219 - groove plate, 2110 - positive and negative screw rod, 2111 - top plate, 2112 - limiting groove, 2113 - sliding block, 2114 - bottom plate, 22 - test assembly, 221 - bottom frame, 222 - tension meter, 223 - first limiting screw, 224 - top frame, 225 - second limiting screw. DETAILED DESCRIPTION

[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and are not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0023] With reference to Figures 1-4 The utility model provides two technical schemes:

[0024] The first implementation: a tensile device for geotextile detection, including base 1, the top surface of base 1 is provided with detection mechanism 2 for detecting the tensile strength of geotextile, and detection mechanism 2 includes:

[0025] Tension assembly 21 is arranged on the top surface of base 1 for fixing the position of geotextile to carry out tensile detection, and tension assembly 21 includes the limiting plate 211 fixedly installed on the left and right sides of the top surface of base 1, the left and right sides of the top surface of base 1 are all fixedly installed with hydraulic cylinder 212, the outside of limiting plate 211 is movably installed with top plate 2111 and bottom plate 2114, the opposite sides of top plate 2111 and bottom plate 2114 are all fixedly installed with groove plate 219, the inside of groove plate 219 is movably installed with clamping plate 218, a plurality of antiskid lines are formed in the rear side of clamping plate 218, and the front side of groove plate 219 is provided with drive assembly for driving clamping plate 218 to fix geotextile of different sizes;

[0026] The test assembly 22 is arranged on the top surface of the base 1 and is used for displaying the tensile test value. The driving assembly comprises a movable groove 215 arranged on the front side of the groove plate 219. The bottom surface of the movable groove 215 is provided with a sliding groove 214. The left and right ends of the inside of the movable groove 215 are both movably provided with a movable block 216. The movable block 216 is convex. The bottom surface of the movable block 216 is fixedly provided with a sliding block 2113. The front side of the movable block 216 is threadedly provided with a fixed screw 213. The front side of the clamping plate 218 is provided with a limiting groove 2112. The left and right ends of the limiting groove 2112 are both slidably provided with a limiting block 217. The inside of the sliding groove 214 is movably provided with a reversible screw rod 2110. The output end of the hydraulic cylinder 212 is fixedly arranged on the bottom surface of the top plate 2111. The top end of the limiting plate 211 movably penetrates through the bottom plate 2114 and the bottom surface of the top plate 2111 and extends to the top surface of the top plate 2111. The rear side of the movable groove 215 penetrates through the front side of the groove plate 219 and extends to the inside of the groove plate 219. The top surface of the movable block 216 is slidably arranged on the top surface of the movable groove 215. The rear end of the fixed screw 213 threadedly penetrates through the front side of the movable block 216 and is movably arranged on the front side of the limiting block 217. The bottom surface of the sliding block 2113 is slidably arranged in the inside of the sliding groove 214. The left end of the reversible screw rod 2110 threadedly penetrates through the right side of the sliding block 2113 and is movably arranged on the left side of the sliding groove 214. The right end of the reversible screw rod 2110 movably penetrates through the inside of the sliding groove 214 and extends to the outside of the groove plate 219. Rotating the reversible screw rod 2110 moves the sliding block 2113 to adjust the position of the movable block 216, so as to fix the geotextile of different sizes.

[0027] The movable block 216 is arranged to conveniently adjust the position of the fixed screw 213 to adapt to geotextiles of different sizes. When in use, the reversible screw rod 2110 is rotated to drive the sliding block 2113 to move the movable block 216 to adjust the distance between the movable blocks 216. When the distance is adjusted to be appropriate, the reversible screw rod 2110 is stopped to fix the position of the movable block 216. Then, the upper and lower ends of the geotextile are arranged in the inside of the groove plate 219. The fixed screw 213 is rotated to drive the limiting block 217 to move the clamping plate 218 backward to clamp the geotextile through the groove plate 219. Then, the geotextile can be stretched for detection. The adjustment is convenient. The accuracy of the detection result is not affected by the breaking of the geotextile. The equipment is also not damaged.

[0028] The second embodiment has the main difference from the first embodiment that the test assembly 22 comprises a bottom frame 221 fixedly installed on the top surface of the base 1, and the bottom frame 221 is concave, the first limiting screw 223 is threadedly installed on the right side of the bottom frame 221, the tension meter 222 is movably installed on the top surface of the bottom frame 221, the top frame 224 is fixedly installed on the bottom surface of the bottom plate 2114, and the top frame 224 is inverted concave, the second limiting screw 225 is threadedly installed on the right side of the top frame 224, the lifting ring at the top end of the tension meter 222 is tightly attached to the inner side of the top frame 224, the lifting ring at the bottom end of the tension meter 222 is tightly attached to the inner side of the bottom frame 221, the left end of the first limiting screw 223 is threadedly extended through the right side of the bottom frame 221 and the lifting ring at the bottom end of the tension meter 222 to the inner side of the bottom frame 221, the left end of the second limiting screw 225 is threadedly extended through the right side of the top frame 224 and the lifting ring at the top end of the tension meter 222 to the inner side of the top frame 224, and rotating the first limiting screw 223 and the second limiting screw 225 through the lifting ring of the tension meter 222 to be inserted into the inside of the bottom frame 221 and the top frame 224 can fix the position of the tension meter 222, and at the same time, it is also convenient to replace different tension meters 222 according to the test requirements.

[0029] The bottom frame 221 and the top frame 224 are provided to facilitate the replacement of the tension meter 222, and when in use, the lifting rings at the upper and lower ends of the tension meter 222 are put into the inside of the bottom frame 221 and the top frame 224, and then the first limiting screw 223 and the second limiting screw 225 are rotated through the lifting ring of the tension meter 222 to be inserted into the inside of the bottom frame 221 and the top frame 224 to fix the position of the tension meter 222, and then the geotextile can be stretched and detected, and when the tension meter 222 needs to be replaced, the first limiting screw 223 and the second limiting screw 225 are rotated in the opposite direction to be rotated out of the inside of the bottom frame 221 and the top frame 224, so that the tension meter 222 can be taken down for replacement, which is convenient and practical.

[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of each electric appliance are not specifically limited, and conventional equipment can be used.

[0031] In use, the worker places the device in the appropriate position, then rotates the positive and negative screw rod 2110 to drive the slider 2113 to move the movable block 216 to adjust the spacing of the movable block 216, when the spacing is adjusted to the appropriate spacing, stop rotating the positive and negative screw rod 2110 to fix the position of the movable block 216, then put the upper and lower ends of the geotextile into the inner side of the groove plate 219, and then rotate the fixing screw rod 213 to drive the limiting block 217 to move the clamping plate 218 backward through the groove plate 219 to clamp the geotextile, and then start the hydraulic cylinder 212 to drive the top plate 2111 to rise and pull the geotextile for stretching detection, at the same time the groove plate 219 will also pull the top frame 224, at this time observing the tension meter 222 can display the tension value so that the worker can judge the tensile strength of the geotextile, when it is necessary to replace the tension meter 222, rotate the first limiting screw rod 223 and the second limiting screw rod 225 to rotate them out of the inside of the bottom frame 221 and the top frame 224, so that the tension meter 222 can be taken down for replacement.

[0032] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes- modifications- replacements and variations of the embodiments can be made by those skilled in the art without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stretching device for geotextile testing, comprising a base (1), characterized in that: The top surface of the base (1) is provided with a detection mechanism (2) for detecting the tensile strength of the geotextile, and the detection mechanism (2) comprises: A tensile assembly (21) is provided on the top surface of the base (1) for fixing the position of the geotextile for tensile testing, the tensile assembly (21) comprising limit plates (211) fixedly mounted on the left and right sides of the top surface of the base (1), hydraulic cylinders (212) fixedly mounted on the left and right sides of the top surface of the base (1), a top plate (2111) and a bottom plate (2114) movably mounted on the outer side of the limit plates (211), a slot plate (219) fixedly mounted on opposite sides of the top plate (2111) and the bottom plate (2114), a clamping plate (218) movably mounted inside the slot plate (219), and a driving assembly provided on the front side of the slot plate (219) for driving the clamping plate (218) to fix geotextiles of different sizes; The test assembly (22) is arranged on the top surface of the base (1) and is used to display the tensile force detection value.

2. The stretching device for geotextile testing according to claim 1, characterized in that: The driving assembly includes a movable groove (215) provided on the front side of the groove plate (219), a slide groove (214) provided on the bottom surface of the movable groove (215), movable blocks (216) movably installed at both left and right ends inside the movable groove (215), a slider (2113) fixedly installed on the bottom surface of the movable block (216), a fixed screw (213) threadedly installed on the front side of the movable block (216), a limiting groove (2112) provided on the front side of the splint (218), a limiting block (217) slidably installed on both left and right ends of the limiting groove (2112), and a forward and reverse screw (2110) movably installed inside the slide groove (214).

3. The stretching device for testing geotextiles according to claim 1, characterized in that: The output end of the hydraulic cylinder (212) is fixedly mounted on the bottom surface of the top plate (2111), and the top end of the limiting plate (211) movably penetrates the bottom surface of the bottom plate (2114) and the top plate (2111) and extends to the top surface of the top plate (2111).

4. The stretching device for geotextile testing according to claim 2, characterized in that: The rear side of the movable groove (215) passes through the front side of the groove plate (219) and extends to the interior of the groove plate (219); the top surface of the movable block (216) is slidably mounted on the top surface of the movable groove (215); the rear end thread of the fixed screw (213) passes through the front side of the movable block (216) and is movably mounted on the front side of the limit block (217).

5. The stretching device for geotextile testing according to claim 2, characterized in that: The bottom surface of the slider (2113) is slidably mounted inside the slide groove (214), the left end thread of the forward and reverse screw (2110) passes through the right side of the slider (2113) and is movably mounted on the left side of the slide groove (214), and the right end of the forward and reverse screw (2110) movably passes through the interior of the slide groove (214) and extends to the outside of the slot plate (219).

6. The stretching device for testing geotextiles according to claim 1, characterized in that: The test assembly (22) includes a bottom frame (221) fixedly mounted on the top surface of the base (1), a first limiting screw (223) being threadedly mounted on the right side of the bottom frame (221), a dynamometer (222) being movably mounted on the top surface of the bottom frame (221), a top frame (224) being fixedly mounted on the bottom surface of the bottom plate (2114), a second limiting screw (225) being threadedly mounted on the right side of the top frame (224), and a lifting ring at the top of the dynamometer (222) being in close contact with the top surface of the dynamometer (222). On the inner side of the top frame (224), the lifting ring at the bottom end of the dynamometer (222) is tightly attached to the inner side of the bottom frame (221); the left end thread of the first limiting screw (223) passes through the right side of the bottom frame (221) and passes through the lifting ring at the bottom end of the dynamometer (222) to extend to the inner side of the bottom frame (221); the left end thread of the second limiting screw (225) passes through the right side of the top frame (224) and passes through the lifting ring at the top end of the dynamometer (222) to extend to the inner side of the top frame (224).

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