CN210375098U - Stratum settlement testing device for model test - Google Patents
Stratum settlement testing device for model test Download PDFInfo
- Publication number
- CN210375098U CN210375098U CN201921405698.XU CN201921405698U CN210375098U CN 210375098 U CN210375098 U CN 210375098U CN 201921405698 U CN201921405698 U CN 201921405698U CN 210375098 U CN210375098 U CN 210375098U
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- measuring
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- hole
- transmission rod
- displacement transmission
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000009933 burial Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 9
- 238000005259 measurement Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
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Abstract
The utility model relates to a stratum settlement testing arrangement for model test belongs to settlement testing arrangement technical field. The device comprises a base, a measuring platform and a measuring device, wherein the base is fixed on the ground and is provided with a through hole; the measuring platform comprises a measuring plate with a through hole and a plurality of graduated steel rulers fixedly arranged on the upper surface of the measuring plate; the measuring device comprises a rigid displacement transmission rod vertically buried below the ground and a measuring ruler arranged corresponding to the graduated steel ruler; one end of the measuring ruler is connected with the rigid displacement transmission rod by using a connecting wire, and the other end of the measuring ruler is connected with a balancing weight applying tension to the measuring ruler by using the connecting wire; the rigid displacement transmission rod is sleeved in the sleeve, and the lower end of the rigid displacement transmission rod is fixedly provided with a displacement measuring head. The utility model discloses a be similar to slide caliper's measurement principle, can subside volume accurate measurement to the stratum. The utility model discloses simple structure, preparation take hold of the office, lay simply, the error is low, the stratum settlement test in the model test that is applicable to that can be fine.
Description
Technical Field
The utility model relates to a stratum settlement testing arrangement for model test belongs to settlement testing arrangement technical field.
Background
During underground engineering construction, the overlying stratum can be settled and deformed, so that ground buildings, structures and underground pipe networks are deformed. The deformation to a certain extent will affect the normal use of ground buildings, structures and underground pipe networks, and even settlement accidents will occur. Therefore, when the relevant model test is carried out, the sedimentation of the stratum needs to be tested, and therefore, the high-precision stratum sedimentation measuring device for the model test is designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stratum settlement testing arrangement for model test, rigidity displacement transmission pole subsides and warp the removal that drives the measuring tape through the connecting wire, through the relative displacement of measuring tape and scale, utilizes the vernier caliper principle to realize the high accuracy measurement that subsides the stratum in model test.
In order to realize the purpose, the utility model discloses a technical scheme is:
a stratum settlement testing device for a model test comprises a base, a measuring platform and a measuring device, wherein the base is fixed on the ground and provided with a through hole; the measuring platform comprises a measuring plate with a through hole and a plurality of graduated steel rulers fixedly arranged on the upper surface of the measuring plate; the measuring device comprises a rigid displacement transmission rod vertically buried below the ground and a measuring ruler arranged corresponding to the graduated steel ruler; one end of the measuring ruler is connected with the rigid displacement transmission rod by using a connecting wire, and the other end of the measuring ruler is connected with a balancing weight applying tension to the measuring ruler by using the connecting wire; the rigid displacement transmission rod is sleeved in the sleeve, and the lower end of the rigid displacement transmission rod is fixedly provided with a displacement measuring head.
The technical scheme of the utility model further improve and lie in: the outer side wall of the measuring plate and the inner side wall of the through hole of the measuring plate are respectively provided with a roller which enables the connecting wire to change the direction corresponding to the graduated steel ruler, the roller is provided with a notch groove, and the connecting wire is positioned in the notch groove.
The technical scheme of the utility model further improve and lie in: the upper surface of the base is provided with a fixing sleeve corresponding to the through hole; the fixing sleeve is provided with a through hole, a fixing rod used for keeping the position of the connecting line is arranged in the through hole, one end of the fixing rod is fixedly connected with the other end of the through hole inner wall of the fixing sleeve through a fixing ring capable of enabling the connecting line to penetrate through, a bolt positioning hole used for fixing the sleeve is formed in the fixing ring, and a bolt used for fastening the sleeve is arranged in the bolt positioning hole.
The technical scheme of the utility model further improve and lie in: a positioning sleeve for keeping the sleeve and the rigid displacement transmission rod vertical is buried under the ground; the side of the positioning sleeve close to the outer edge is provided with a positioning hole, and the outer wall of the positioning sleeve is provided with a fastening bolt for positioning the sleeve.
The technical scheme of the utility model further improve and lie in: four sets of measuring devices are provided.
The technical scheme of the utility model further improve and lie in: the four sets of measuring devices are evenly spaced at 90 degrees around the center.
The technical scheme of the utility model further improve and lie in: the lower ends of the rigid displacement transmission rods of the four groups of measuring devices are provided with displacement measuring heads; the four displacement probes have different burial depths.
The technical scheme of the utility model further improve and lie in: the four displacement measuring heads are arranged at the same interval and the same embedding depth.
The technical scheme of the utility model further improve and lie in: the sleeve is made of PVC material, and the inner diameter of the sleeve is larger than the outer diameter of the rigid displacement rod; the connecting line is a low-extensibility nylon line.
The technical scheme of the utility model further improve and lie in: the measuring plate is provided with supporting legs, the upper surface of the base is provided with bolt holes, and the measuring plate is detachably fixed on the upper surface of the base through the supporting legs by using bolts.
Since the technical scheme is used, the utility model discloses the technological effect who gains has:
the utility model discloses set up multiunit measuring device as required, can subside the stratum of the different degree of depth and carry out the measurement of synthesizing, satisfy the measurement demand.
The utility model discloses a displacement of the vertical direction of roller bearing with rigidity displacement transmission pole is transformed into the removal of measuring tape horizontal direction to the convenient measurement of subsidence has been realized.
The utility model discloses set up scale steel chi and measuring tape, both can form the measurement principle similar to slide caliper, have improved measuring precision to easily operation.
The utility model discloses the connecting wire adopts low extensibility nylon wire can reduce the displacement in-process as far as possible, because of the measuring error that the extension line of connecting wire caused.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the positioning sleeve of the present invention;
fig. 5 is a schematic view of the fixing sleeve of the present invention;
the measuring device comprises a displacement measuring head 1, a displacement measuring head 2, a rigid displacement transmission rod 3, a sleeve pipe 4, a positioning sleeve 5, a fixing sleeve 6, a base 7, a measuring plate 8, a rolling shaft 9, a graduated steel ruler 10, a connecting wire 11, a measuring ruler 12, a balancing weight 13, a fixing rod 14, a fixing ring 15, a fastening bolt 16, a positioning hole 17 and a bolt positioning hole.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the drawings in the embodiment of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
The utility model discloses a stratum settlement testing arrangement for model test for subside to the stratum test. The device mainly comprises a base 6, a measuring platform and a measuring device. The measuring platform and the measuring device are mounted on a base 6. The base 6 is fixed on the ground. As shown in fig. 1, 2 and 3.
As shown in fig. 1 and 3, the measuring platform comprises a measuring plate 7 and a plurality of graduated steel scales 9. Set up the landing leg on measuring board 7, corresponding set up the bolt hole at 6 upper surfaces of base, use the bolt to fix measuring board 7 at 6 upper surfaces of base, can measure board 7 and dismantle because of using the bolt, conveniently change it. And a graduated steel ruler 9 is fixedly arranged on the upper side surface of the measuring plate 7. The measuring plate 7 is provided with a through hole, the side wall of the through hole and the outer side wall of the measuring plate 7 are respectively provided with a roller 8, and the roller 8 is provided with a notch. The roller 8 is used to change the extending direction of the connecting wire 10.
The utility model discloses a measuring device mainly includes rigidity displacement transmission pole 2 and measuring tape 11. The measuring ruler 11 plays a role in measurement, and the rigid displacement transmission rod 2 is buried in the stratum and used for transmitting acting force generated by stratum settlement. The rigid displacement transmission rod 2 is sleeved in the sleeve 3, the rigid displacement transmission rod 2 and the sleeve 3 are both vertically embedded below the ground, and the inner diameter of the sleeve 3 is larger than the outer diameter of the rigid displacement transmission rod 2. The rigid displacement transmission rod 2 is free to move downwards within the sleeve 3. The lowest end of the rigid displacement transmission rod 2 is provided with a displacement measuring head 1, and the other end is provided with a connecting wire 10. The connecting wire 10 passes through the positioning hole 16 and the fixing ring 14 and can change direction after passing through the notch of the roller 8 arranged on the side wall of the through hole of the measuring plate 7. The connecting line 10 is connected to one end of the measuring tape 11 after the direction change. The other end of the measuring ruler 11 is connected with a balancing weight 12 through a connecting line 10, and the connecting line 10 between the measuring ruler 11 and the balancing weight 12 enables the balancing weight 12 to be hung outside the measuring plate 7 through a rolling shaft 8 arranged on the outer side wall of the measuring plate 7. The weight 12 is usually a heavy weight, and the weight 12 can generate a pulling force on the connecting wire 10.
The base 6 is fixed on the ground, the base 6 is provided with a through hole, and the upper surface of the base 6 is provided with a through hole fixing sleeve 5. The through hole of the base 6 is arranged corresponding to the through hole of the fixing sleeve 5. A fixing rod 13 is arranged in the through hole of the fixing sleeve 5, one end of the fixing rod 13 is fixedly connected to the inner wall of the through hole of the fixing sleeve 5, and the other end is fixedly provided with a fixing ring 14, as shown in fig. 5. A bolt positioning hole 17 for fixing the sleeve 3 is also provided on the fixing ring 14. The axis of the bolt positioning hole 17 is provided along the diameter direction of the fixing ring 14, and a bolt for fastening the sleeve 3 is provided in the bolt positioning hole, and the bolt can push the sleeve 3 tightly.
A positioning sleeve 4 is provided below the ground in the through hole of the base 6, said positioning sleeve 4 being used to maintain the vertical state of the sleeve 3 and the rigid displacement transmission rod 2. As shown in fig. 4, a positioning hole 16 is provided on the outer edge side of the positioning sleeve 4, and the axis of the positioning hole 16 coincides with the axis of the positioning sleeve 4. The outer wall of the positioning sleeve 4 is also provided with a fastening bolt 15 for tightly pressing, fixing and positioning the casing 3. The positioning sleeve 4 is buried under the ground, and the number of the positioning holes 16 on the positioning sleeve 4 is the same as the number of the rigid displacement transmission rods 2, and four positioning holes are provided in the embodiment. In a specific implementation, two positioning sleeves 4 are usually arranged and distributed up and down, and the two positioning sleeves 4 can ensure that the casing 3 is in a stable vertical state. The fixing sleeve 5 and the positioning sleeve 4 are used for keeping the sleeve 3 and the rigid displacement transmission rod 2 vertically positioned, and the rigid displacement transmission rod 2 is in a vertical state, so that the accuracy of measurement can be ensured. In assembly, the sleeve passes through the retaining ring 15 and the locating hole 16.
As shown in fig. 3, the measuring tape 11 is arranged corresponding to the graduated steel scale 9 of the measuring platform, and when the stratum is settled, the measuring tape 11 can be displaced under the pulling of the connecting line 10. The displacement of the stratum settlement is obtained through the relative displacement of the measuring ruler 11 and the graduated steel ruler 7, and the measurement principle similar to a vernier caliper is adopted.
The utility model discloses in, measuring device sets up four groups, and four measuring device of group encircle central interval 90 evenly set up. The lower ends of the rigid displacement transmission rods 2 of the four groups of measuring devices are provided with displacement measuring heads 1; the four displacement measuring heads 1 have different burial depths, and can comprehensively measure the stratum settlement condition of a certain place
In a specific implementation, the connecting wire 10 is made of a low-elongation nylon wire. The sleeve 3 is made of PVC material and has good corrosion resistance.
The utility model discloses a set up scale steel chi and measuring tape, the scale steel chi is fixed on the measuring board as the benchmark, and the measuring tape can produce slight removal when subsiding, through the measuring tape in the relative displacement of scale steel chi, adopts the principle similar to slide caliper, can measure the stratum settlement volume accurately.
The utility model discloses a displacement of the vertical direction of roller bearing with rigidity displacement transmission pole is transformed into the removal of measuring tape horizontal direction to the convenient measurement of subsidence has been realized.
The utility model discloses the connecting wire adopts low extensibility nylon wire can reduce the displacement in-process as far as possible, because of the measuring error that the extension line of connecting wire caused.
The utility model discloses simple structure, the cost of manufacture is low, lays simply, and the error is low, and the stratum settlement test in the model test that is applicable to that can be fine.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (10)
1. The utility model provides a stratum settlement testing arrangement for model test which characterized in that: comprises a base (6) fixed on the ground and provided with a through hole, a measuring platform arranged on the base (6) and a measuring device; the measuring platform comprises a measuring plate (7) with a through hole and a plurality of graduated steel scales (9) fixedly arranged on the upper surface of the measuring plate (7); the measuring device comprises a rigid displacement transmission rod (2) vertically buried below the ground and a measuring ruler (11) arranged corresponding to the graduated steel ruler (9); one end of the measuring ruler (11) is connected with the rigid displacement transmission rod (2) by using a connecting wire (10), and the other end of the measuring ruler is connected with a balancing weight (12) which applies pulling force to the measuring ruler (11) by using the connecting wire (10); the rigid displacement transmission rod (2) is sleeved in the sleeve (3) and the lower end of the rigid displacement transmission rod is fixedly provided with a displacement measuring head (1).
2. The formation subsidence test apparatus of claim 1, wherein: the lateral wall of measuring board (7) and the inside wall of measuring board (7) through-hole correspond scale steel chi (9) and set up respectively and make connecting wire (10) redirecting roller bearing (8), set up the grooving on roller bearing (8), connecting wire (10) are located the grooving.
3. The formation subsidence test apparatus of claim 1, wherein: the upper surface of the base (6) is provided with a fixed sleeve (5) corresponding to the through hole; the fixing sleeve (5) is provided with a through hole and a fixing rod (13) used for keeping the position of the connecting wire (10) is arranged in the through hole, one end of the fixing rod (13) is fixedly connected with the other end of the through hole inner wall of the fixing sleeve (5) through a fixing ring (14) capable of enabling the sleeve (3) to penetrate, a bolt positioning hole (17) used for fixing the sleeve (3) is formed in the fixing ring (14), and a bolt used for fastening the sleeve (3) is arranged in the bolt positioning hole.
4. The formation subsidence test apparatus of claim 1, wherein: a positioning sleeve (4) for keeping the sleeve (3) and the rigid displacement transmission rod (2) vertical is embedded under the ground; the side, close to the outer edge, of the positioning sleeve (4) is provided with a positioning hole (16), and the outer wall of the positioning sleeve (4) is provided with a fastening bolt (15) for positioning the sleeve (3).
5. A formation settlement test device for model test according to any one of claims 1 to 4, wherein: four sets of measuring devices are provided.
6. The formation subsidence test apparatus of claim 5, wherein: the four sets of measuring devices are evenly spaced at 90 degrees around the center.
7. The formation subsidence test apparatus of claim 6, wherein: the lower ends of the rigid displacement transmission rods (2) of the four groups of measuring devices are provided with displacement measuring heads (1); the four displacement measuring heads (1) have different burial depths.
8. The formation subsidence test apparatus of claim 7, wherein: the four displacement measuring heads (1) are arranged at the same interval and the same embedding depth.
9. The formation subsidence test apparatus of claim 1, wherein: the sleeve (3) is made of PVC material, and the inner diameter of the sleeve (3) is larger than the outer diameter of the rigid displacement transmission rod (2); the connecting line (10) is a low-elongation nylon line.
10. The formation subsidence test apparatus of claim 1, wherein: the measuring plate (7) is provided with supporting legs, the upper surface of the base (6) is provided with bolt holes, and the measuring plate (7) is detachably fixed on the upper surface of the base (6) through the supporting legs by using bolts.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921405698.XU CN210375098U (en) | 2019-08-27 | 2019-08-27 | Stratum settlement testing device for model test |
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CN201921405698.XU CN210375098U (en) | 2019-08-27 | 2019-08-27 | Stratum settlement testing device for model test |
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CN210375098U true CN210375098U (en) | 2020-04-21 |
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CN201921405698.XU Expired - Fee Related CN210375098U (en) | 2019-08-27 | 2019-08-27 | Stratum settlement testing device for model test |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110345912A (en) * | 2019-08-27 | 2019-10-18 | 石家庄铁道大学 | A kind of stratum settlement test device for model test |
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2019
- 2019-08-27 CN CN201921405698.XU patent/CN210375098U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110345912A (en) * | 2019-08-27 | 2019-10-18 | 石家庄铁道大学 | A kind of stratum settlement test device for model test |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |