CN210321675U - Geotechnical cloth thickness meter - Google Patents

Abstract

The utility model relates to a thickness detects technical field, a geotechnological cloth thickness appearance is disclosed, the on-line screen storage device comprises a base, fixedly connected with supporting seat on the upper surface border of base, the top of supporting seat articulates there is the balancing pole, the tip fixedly connected with balance weight of balancing pole, be equipped with the benchmark board on the upper surface of base, be equipped with the presser foot that is located the balancing pole below on the upper surface of benchmark board, fixedly connected with depression bar on the upper surface of presser foot, the top fixedly connected with of depression bar and base fixed connection's reading head, the tip fixedly connected with fixing base of supporting seat is kept away from to the balancing pole, the through-hole has been seted up on the fixing base, the joint has the couple on the through-hole, the inside of through-hole is equipped with joint subassembly one, fixedly connected with connecting rod on. The utility model has the advantages of it is following and effect: the stability of weight can be improved, the rocking of weight is reduced to this accuracy that improves the detection.

Description

Geotechnical cloth thickness meter

Technical Field

The utility model relates to a thickness detects technical field, in particular to geotechnique's cloth thickness appearance.

Background

Geotextiles, also known as geotextiles, are water permeable geosynthetic materials made of synthetic fibers by needling or weaving. The geotextile has excellent filtering, draining, isolating, reinforcing, seepage preventing and protecting effects, has the characteristics of light weight, high tensile strength, good permeability, high temperature resistance, freezing resistance, aging resistance and corrosion resistance, and has different requirements on the thickness of the geotextile under different environments.

At present, the utility model discloses a chinese utility model patent of No. CN205580422U discloses a geotechnological cloth calibrator, including the base, be equipped with the backup pad on the base, the upper end of backup pad is equipped with the balancing pole, and the balancing pole is articulated with the backup pad, and the balancing pole left and right both ends are equipped with balance weight and weight respectively, are equipped with the benchmark board on the base, are equipped with the presser foot on the benchmark board, and the presser foot is located the lower extreme of balancing pole, is equipped with the depression bar on the presser foot, and the depression bar upper end is equipped with the reading head, is equipped with in the backup pad to turn into the adjusting device.

The technical scheme solves the problem of inaccurate measurement precision of the geotextile thickness gauge caused by the stress deformation of the reference plate, but has the following defects: the problem that the weight is easy to shake during detection affects the detection accuracy; therefore, a geotextile thickness gauge is needed to improve the stability of the weight and reduce the shaking of the weight, so as to improve the detection accuracy.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a geotechnological cloth thickness appearance can improve the stability of weight, reduces rocking of weight to this accuracy that improves the detection.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a geotextile thickness meter comprises a base, wherein a supporting seat is fixedly connected on the edge of the upper surface of the base, the top of the supporting seat is hinged with a balancing pole, the end part of the balancing pole close to the supporting plate is fixedly connected with a balancing weight, the upper surface of the base is provided with a reference plate, the upper surface of the reference plate is provided with a pressure foot positioned below the balancing pole, a pressure lever is fixedly connected on the upper surface of the pressure foot, the top of the pressure lever is fixedly connected with a reading head fixedly connected with the base, the end part of the balancing pole far away from the supporting seat is fixedly connected with a fixed seat, a through hole is arranged on the fixed seat, the through hole is clamped with a hook, a first clamping component for clamping the hook is arranged inside the through hole, the lower surface of the hook is fixedly connected with a connecting rod, the bottom end of the connecting rod is fixedly connected with a weight tray, and a plurality of weights are stacked on the weight tray.

Through adopting above-mentioned technical scheme, will get in touch and fix on the through-hole of fixing base, and the two is by a further joint of joint subassembly to this makes being connected between couple and the fixing base more stable, has reduced the weight that the couple is unstable probably causes and has rocked the problem, and then has improved the stability of weight, makes the testing result of thickness appearance more accurate.

The utility model discloses further set up to, offer the spacing groove that is used for holding joint subassembly one on the inner wall of through-hole, joint subassembly one is including fixing at the spacing spring of spacing inslot portion, with spacing spring end fixed connection and be located the gag lever post of spacing inslot portion and keep away from spacing spring end fixed connection's joint piece with the gag lever post, set up on the couple with joint piece joint complex joint groove one.

By adopting the technical scheme, the first clamping assembly is set to be a combination of the limiting spring, the limiting rod and the clamping block, when the hook is inserted into the through hole, the side wall of the hook and the clamping block are mutually extruded, and acting force generated by extrusion acts on the limiting spring through the clamping block and the limiting rod, so that the limiting spring generates compression deformation to drive the clamping block to retract into the limiting groove; when the couple moves to joint groove one and is in the coplanar position with the spacing groove, the effort that the extrusion of couple to the joint piece produced reduces to this makes spacing spring change back to long state, and then drives joint piece chucking in joint groove one, with this make the couple more stable with being connected between the fixing base, thereby improved the stability of weight.

The utility model discloses further set up to, be equipped with joint subassembly two on the couple, joint subassembly one with the structure of joint subassembly two is the same, seted up on the lower surface of fixing base with joint piece joint complex joint groove two in the joint subassembly two.

Through adopting above-mentioned technical scheme, be equipped with joint subassembly two and can further improve the stability that couple and fixing base are connected to further improve the stability of weight.

The utility model discloses further set up to, the slotted hole has been seted up on the connecting rod, the breach department fixedly connected with and slotted hole joint complex picture peg of weight.

Through adopting above-mentioned technical scheme, when placing the weight on the weight dish, the picture peg on the weight inserts the slotted hole on the connecting rod, and the slotted hole has restricted the position of weight to this has further improved the stability of weight.

The utility model discloses further set up to, fixedly connected with fixed block on the upper surface of weight, set up on the lower surface of weight with fixed block joint complex fixed slot.

Through adopting above-mentioned technical scheme, when using a plurality of weights to detect, the fixed block that is in the weight of lower floor and the fixed slot joint of the weight that is in the upper strata, and then make the weight pile up ground more stable.

The utility model discloses further set up to, be equipped with the supporting component who is used for supporting the balancing pole on the upper surface of base, the supporting component is including fixing backup pad on the base, rotating the dwang of wearing to establish the backup pad top, fixing at the dwang tip and hugging closely the cam of balancing pole and fixing the hand wheel at another tip of dwang.

By adopting the technical scheme, the supporting component is a combination of the supporting plate, the rotating rod, the cam and the hand wheel, and the rotating rod can rotate at the top of the supporting plate by rotating the hand wheel so as to drive the cam to rotate; when the highest point of the cam is in contact with the balance rod, the balance rod can be supported, so that the position of the presser foot is driven to extend, the time for placing the presser foot on the reference plate is shortened, and the problem of inaccurate thickness measurement caused by stress deformation of the reference plate is solved.

The utility model discloses further set up to, set up the recess that is convenient for hold the balancing pole on the week side of cam.

Through adopting above-mentioned technical scheme, the recess can be further injectd the position between cam and the balancing pole, can prevent cam and balancing pole skew to this normal work of guaranteeing the supporting component.

The utility model discloses further set up to, be equipped with the limit structure who is used for fixed dwang in the backup pad, limit structure is including fixing the sawtooth dish on the dwang, fixing the fixed plate in the backup pad and fixing on the fixed plate and with the clip of sawtooth dish joint.

Through adopting above-mentioned technical scheme, establish limit structure into the combination of sawtooth dish, fixed plate and clip, the fixed plate is used for being in the same place clip and backup pad are fixed, can be fixed with the sawtooth dish through the clip, can prevent that the dwang from taking place the rotation and drive the problem that the cam rotates and influence thickness appearance detection achievement.

To sum up, the utility model discloses a beneficial technological effect does:

1. in the scheme, the hook is fixed on the through hole of the fixing seat and is further clamped by the clamping component, so that the connection between the hook and the fixing seat is more stable, the problem of weight shaking possibly caused by unstable hook is reduced, the stability of the weight is further improved, and the detection result of the thickness gauge is more accurate;

2. in the scheme, the first clamping assembly is clamped with the clamping groove in the hook through the clamping block, so that the hook is more stably connected with the fixed seat, and the stability of the weight is improved;

3. the supporting component is arranged in the scheme and can support the balance rod, so that the position of the presser foot is driven to stretch, the time of placing the presser foot on the reference plate is reduced, and the problem of inaccurate thickness measurement caused by stress deformation of the reference plate is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view of a first embodiment of a first highlighted clamping assembly;

FIG. 3 is an enlarged schematic view of A of FIG. 1;

fig. 4 is an enlarged schematic view of B in fig. 1.

Reference numerals: 1. a base; 11. a supporting seat; 12. a balancing pole; 121. a counterweight; 13. a reference plate; 14. a presser foot; 141. a pressure lever; 15. a reading head; 2. a fixed seat; 21. a through hole; 211. a limiting groove; 22. a first clamping component; 221. a limiting spring; 222. a limiting rod; 223. a clamping block; 23. a second clamping groove; 3. hooking; 31. a first clamping groove; 32. a second clamping component; 33. a connecting rod; 331. a bar hole; 34. a weight tray; 35. a weight; 351. a fixed block; 352. fixing grooves; 353. inserting plates; 4. a support assembly; 41. a support plate; 42. rotating the rod; 43. a cam; 431. a groove; 44. a hand wheel; 5. a limiting structure; 51. a saw tooth disc; 52. a fixing plate; 53. and (4) a clamp.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the geotextile thickness meter comprises a base 1, wherein the base 1 is of a prismoid structure, the base 1 is horizontally arranged, and the bottom surface of the base 1 with a large area is arranged on a working plane. The upper surface of the base 1 is fixedly connected with a supporting seat 11, the supporting seat 11 is of a rectangular plate-shaped structure, the length direction of the supporting seat 11 is consistent with the height direction of the base 1, and the bottom surface of the supporting seat 11 with a smaller area is fixed on the edge of the upper surface of the base 1. The top of supporting seat 11 is articulated to have balancing pole 12, and balancing pole 12 is cuboid structure, and the length direction of balancing pole 12 is unanimous with the length direction of base 1, and the length of balancing pole 12 is greater than the length of base 1, and the tip of balancing pole 12 articulates at the top of backup pad 41. The end fixedly connected with balancing weight 121 that balancing pole 12 and supporting seat 11 are articulated, balancing awl 121 is cylindrical structure, and the thickness direction of balancing weight 121 is unanimous with the length direction of balancing pole 12, and the axis coincidence of balancing weight 121 axis and balancing pole 12. The upper surface of the base 1 is fixedly connected with a reference plate 13, the reference plate 13 is of a circular plate-shaped structure, the height direction of the reference plate 13 is consistent with the height direction of the base 1, and the reference plate 13 is fixed on the upper surface of the base 1 close to the supporting seat 11. The upper surface of the reference plate 13 is provided with a presser foot 14, the presser foot 14 is in a circular plate-shaped structure, the height direction of the presser foot 14 is consistent with the height direction of the reference plate 13, and the presser foot 14 and the reference plate 13 are coaxial. A pressure lever 141 is fixedly connected to the upper surface of the presser foot 14, the pressure lever 141 is of a cylindrical structure, the pressure lever 141 and the presser foot 14 are coaxial, and the length direction of the pressure lever 141 is consistent with the height direction of the presser foot 14. The top of the pressure lever 141 is fixedly connected with the reading head 15, the pressure lever 141 and the reading head 15 are fixedly connected through a support rod, a round hole (not shown) is formed in the balance bar 12, the round hole penetrates through the balance weight 121 along the height direction of the balance weight 121, the round hole can be penetrated by the support rod, and the pressure lever 141 and the reading head 15 are respectively located on two opposite sides of the balance bar 12.

The tip fixedly connected with fixing base 2 that balancing pole 12 kept away from supporting seat 11, fixing base 2 are rectangular bodily form structure, and the length direction of the length direction perpendicular to balancing pole 12 of fixing base 2 has seted up breach (not shown) on the upper surface of fixing base 2, and the breach is used for holding the tip of balancing pole 12, passes through bolt fixed connection between balancing pole 12 and the fixing base 2. The fixing base 2 is provided with a through hole 21, the through hole 21 is cylindrical, and the through hole 21 penetrates through the fixing base 2 along the width direction of the fixing base 2. The inside joint of through-hole 21 has couple 3, and couple 3 is horizontal U font structure, and couple 3 opening direction is towards the direction at fixing base 2 place, and couple 3 is in the horizontal pole of top and inserts to through-hole 21 in to this joint cooperation of through-hole 21 with couple 3 has been realized.

As shown in fig. 2, the inner wall of the through hole 21 is provided with two limiting grooves 211, the limiting grooves 211 are cylindrical, the depth direction of the limiting grooves 211 is perpendicular to the length direction of the through hole 21, the limiting grooves 211 are communicated with the inside of the through hole 21, and the two limiting grooves 211 are symmetrically distributed along the central axis of the through hole 21. Each of the first limit grooves 211 is provided with a first clamping assembly 22, and the first clamping assembly 22 includes a limit spring 221, a limit rod 222 and a clamping block 223. The limit spring 221 is fixed inside the limit groove 211, and the length direction of the limit spring 221 is consistent with the depth direction of the limit groove 211. The limiting rod 222 is of a cylindrical structure, the end of the limiting rod 222 is fixedly connected with the limiting spring 221, the length direction of the limiting rod 222 is consistent with the depth direction of the limiting groove 211, and the limiting rod 222 is located inside the limiting groove 211. The clamping block 223 is of a hemispherical structure, the radius of the clamping block 223 is equal to that of the limiting rod 222, the plane of the clamping block 223 is fixedly connected with the end part of the limiting rod 222 far away from the limiting spring 221, and when the limiting spring 221 is in an original long state, the clamping block 223 is located outside the limiting groove 211. The horizontal pole that is located the through-hole 21 of couple 3 has been seted up joint groove one 31, and joint groove one 31 is the hemisphere, and the quantity in joint groove one 31 is two, and two joint grooves one 31 are along the horizontal pole axis symmetric distribution of couple 3, and joint groove one 31 cooperates with joint block 223 joint.

Couple 3 is horizontal U font structure, and couple 3's opening direction is towards the direction at fixing base 2 place, and couple 3 is in the horizontal pole of top and inserts to through-hole 21 in to this joint cooperation of through-hole 21 with couple 3 has been realized. The hook 3 is fixedly connected with a second clamping assembly 32 on the cross rod below the hook 3, the second clamping assembly 32 is located on the side face, close to the fixing seat 2, of the cross rod below the hook 3, and the second clamping assembly 32 is identical to the first clamping assembly 22 in structure. And a second clamping groove 23 is formed in the lower surface of the fixing seat 2, and the second clamping groove 23 is in clamping fit with the clamping block 223 in the second clamping assembly 32. When the hook 3 is inserted into the through hole 21, the side wall of the hook 3 and the clamping block 223 are mutually extruded, and the acting force generated by extrusion acts on the limiting spring 221 through the clamping block 223 and the limiting rod 222, so that the limiting spring 221 generates compression deformation to drive the clamping block 223 to retract into the limiting groove 211; when the hook 3 moves to the first clamping groove 31 and the limiting groove 211 are located at the same plane position, the acting force generated by the extrusion of the hook 3 on the clamping block 223 is reduced, so that the limiting spring 221 returns to the original long state, and the clamping block 223 is driven to be clamped in the first clamping groove 31, so that the connection between the hook 3 and the fixing seat 2 is more stable. The second clamping component 32 further enhances the stability of the connection of the bottom of the fixed seat 2 of the hook 3.

As shown in fig. 1, a connecting rod 33 is fixedly connected to the cross bar of the hook 3 below, the connecting rod 33 is a cylindrical structure, and the length direction of the connecting rod 33 is perpendicular to the length direction of the balance bar 12. The end part of the connecting rod 33 far away from the hook 3 is fixedly connected with a weight tray 34, the weight tray 34 is of a circular plate-shaped structure, the weight tray 34 and the connecting rod 33 are coaxial, and the thickness direction of the weight tray 34 is consistent with the length direction of the connecting rod 33. The weights 35 are placed on the weight tray 34, the number of the weights 35 is multiple, the weights 35 are placed in a stacked mode, the height direction of the stacked weights 35 is consistent with the length direction of the connecting rod 33, the weights 35 are of circular plate-shaped structures, and the weights 35 and the weight tray 34 are coaxial. Set up jaggedly on the weight 35, the breach is the U-shaped, and the thickness direction of breach is unanimous with the thickness direction of weight 35, and the setting of breach can make things convenient for weight 35 to pass connecting rod 33. Combine fig. 3 to show, fixedly connected with fixed block 351 on weight 35's the upper surface, fixed block 351 is the U-shaped structure, breach on weight 35 is located fixed block 351's inside, fixed slot 352 has been seted up on weight 35's the lower surface, the shape of fixed slot 352 is similar with fixed block 351's shape, fixed slot 352 cooperates with fixed block 351 joint, when using a plurality of weights 35 to detect, be in the fixed block 351 of weight 35 of lower floor and the fixed slot 352 joint that is in the weight 35 of upper strata, and then make weight 35 pile up ground more stably. The connecting rod 33 is provided with a strip hole 331, the length direction of the strip hole 331 is consistent with the length direction of the connecting rod 33, and the width direction of the strip hole 331 penetrates through the radial direction of the connecting rod 33. The inserting plate 353 is fixedly connected to the notch of the weight 35, the inserting plate 353 is of a rectangular plate-shaped structure, the length direction of the inserting plate 353 is perpendicular to the length direction of the connecting rod 33, the inserting plate 353 penetrates through the strip hole 331, the side face of the inserting plate 353 is tightly attached to the side wall of the strip hole 331, when the weight 35 is placed on the weight tray 34, the inserting plate 353 on the weight 35 is inserted into the strip hole 331 on the connecting rod 33, the strip hole 331 limits the position of the weight 35, and therefore the stability of the weight 35 is further improved.

As shown in fig. 1, a support assembly 4 is arranged on the upper surface of the base 1, the support assembly 4 is used for supporting the balance bar 12, and the support assembly 4 is positioned between the reference plate 13 and the weight tray 34. The support assembly 4 includes a support plate 41, a rotating lever 42, a cam 43, and a hand wheel 44. The support plate 41 is a rectangular plate-shaped structure, the support plate 41 is vertically arranged, and the length direction of the support plate 41 is perpendicular to the length direction of the base 1. The dwang 42 is cylindrical structure, and the length direction of dwang 42 is unanimous with the length direction of backup pad 41, and the side bottom of backup pad 41 is worn to establish by dwang 42, and dwang 42 rotates with backup pad 41 to be connected. The cam 43 is fixed to the end portion of the rotating lever 42 near the stabilizer bar 12, and the cam 43 is located directly below the stabilizer bar 12. A groove 431 is formed on the peripheral side of the cam 43, the shape of the groove 431 is similar to that of the cam 43, and the width of the groove 431 is larger than that of the stabilizer bar 12. The hand wheel 44 is in a disc-shaped structure, the hand wheel 44 and the rotating rod 42 are coaxial, and the hand wheel 44 is fixed at the end part of the rotating rod 42 far away from the cam 43. The rotating rod 42 can rotate on the top of the supporting plate 41 by rotating the hand wheel 44, so as to drive the cam 43 to rotate; when the highest point of the cam 43 is in contact with the balance bar 12, the balance bar 12 can be supported, so that the position of the presser foot 14 is driven to extend upwards, the time for placing the presser foot 14 on the reference plate 13 is reduced, and the problem of inaccurate thickness measurement caused by the forced deformation of the reference plate 13 is reduced; the groove 431 may further define a position between the cam 43 and the balance bar 12, and may prevent the cam 43 from being deviated from the balance bar 12, thereby ensuring the proper operation of the support assembly 4.

As shown in fig. 1 and 4, the supporting plate 41 is provided with a limiting structure 5, the limiting structure 5 is used for limiting the rotation of the rotating rod 42, and the limiting structure 5 includes a saw disc 51, a fixing plate 52 and a clamp 53. The serrated disk 51 is fixed to the rotating rod 42, and the serrated disk 51 is coaxial with the rotating rod 42. The fixing plate 52 has a rectangular plate-like structure, the longitudinal direction of the fixing plate 52 coincides with the longitudinal direction of the rotating lever 42, and the side surface of the fixing plate 52 having a small area is fixed to the side surface of the support plate 41 closer to the hand wheel 44. The clamp 53 is positioned between the teeth of the saw tooth disc 51, the top of the clamp 53 is fixed on the lower surface of the fixing plate 52, the fixing plate 52 is used for fixing the clamp 53 and the supporting plate 41 together, the saw tooth disc 51 can be fixed through the clamp 53, and the problem that the rotating rod 42 rotates to drive the cam 43 to rotate to influence the detection work of the thickness gauge can be prevented.

When the hook 3 is inserted into the through hole 21, the side wall of the hook 3 and the clamping block 223 are mutually extruded, and the acting force generated by extrusion acts on the limiting spring 221 through the clamping block 223 and the limiting rod 222, so that the limiting spring 221 is compressed and deformed to drive the clamping block 223 to retract into the limiting groove 211; when the hook 3 moves to the position where the first clamping groove 31 and the limiting groove 211 are located on the same plane, the acting force generated by the extrusion of the hook 3 on the clamping block 223 is reduced, so that the limiting spring 221 returns to the original long state, and the clamping block 223 is driven to be clamped in the first clamping groove 31, so that the connection between the hook 3 and the fixing seat 2 is more stable; the stability of connecting 2 bottoms of 3 fixing bases of couple has further been strengthened to joint subassembly two 32, has reduced 3 unstable weights 35 that probably cause of couple and has rocked the problem, and then has improved the stability of weight 35, makes the testing result of thickness appearance more accurate.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a geotechnique's cloth thickness appearance, includes base (1), fixedly connected with supporting seat (11) are followed to the upper surface of base (1), the top of supporting seat (11) articulates there is balancing pole (12), tip fixedly connected with balance weight (121) that balancing pole (12) are close to backup pad (41), be equipped with benchmark board (13) on the upper surface of base (1), be equipped with presser foot (14) that are located balancing pole (12) below on the upper surface of benchmark board (13), fixedly connected with depression bar (141) on the upper surface of presser foot (14), the top fixedly connected with of depression bar (141) and base (1) fixed connection's reading head (15), characterized by: tip fixedly connected with fixing base (2) of supporting seat (11) are kept away from in balancing pole (12), through-hole (21) have been seted up on fixing base (2), the joint has couple (3) on through-hole (21), the inside of through-hole (21) is equipped with joint subassembly (22) that are used for chucking couple (3), fixedly connected with connecting rod (33) on the lower surface of couple (3), the bottom fixedly connected with scale pan (34) of connecting rod (33), it has a plurality of weights (35) to pile up on scale pan (34).

2. The geotextile thickness gauge of claim 1, wherein: offer spacing groove (211) that are used for holding joint subassembly (22) on the inner wall of through-hole (21), joint subassembly (22) is including fixing spacing spring (221) inside spacing groove (211), with spacing spring (221) tip fixed connection and be located spacing bar (222) inside spacing groove (211) and keep away from spacing spring (221) tip fixed connection's joint piece (223) with spacing bar (222), offer on couple (3) with joint piece (223) joint complex joint groove (31).

3. The geotextile thickness gauge of claim 1, wherein: be equipped with joint subassembly two (32) on couple (3), joint subassembly one (22) with the structure of joint subassembly two (32) is the same, seted up on the lower surface of fixing base (2) with joint piece (223) joint complex joint groove two (23) in the joint subassembly two (32).

4. The geotextile thickness gauge of claim 1, wherein: the connecting rod (33) is provided with a strip hole (331), and the gap of the weight (35) is fixedly connected with a plug board (353) which is matched with the strip hole (331) in a clamping manner.

5. The geotextile thickness gauge of claim 1, wherein: fixedly connected with fixed block (351) on the upper surface of weight (35), seted up on the lower surface of weight (35) with fixed block (351) joint complex fixed slot (352).

6. The geotextile thickness gauge of claim 1, wherein: be equipped with supporting component (4) that are used for supporting balancing pole (12) on the upper surface of base (1), supporting component (4) are including fixing backup pad (41) on base (1), rotating pole (42) of wearing to establish backup pad (41) top, fixing at dwang (42) tip and hug closely cam (43) of balancing pole (12) and fix hand wheel (44) at dwang (42) another tip.

7. The geotextile thickness gauge of claim 6, wherein: the periphery side of the cam (43) is provided with a groove (431) which is convenient for accommodating the balancing rod (12).

8. The geotextile thickness gauge of claim 6, wherein: be equipped with limit structure (5) that are used for fixed dwang (42) on backup pad (41), limit structure (5) including fix sawtooth dish (51) on dwang (42), fix fixed plate (52) on backup pad (41) and fix on fixed plate (52) and with clamp (53) of sawtooth dish (51) joint.

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