CN209779597U - Foundation compactness detection device - Google Patents
Foundation compactness detection device Download PDFInfo
- Publication number
- CN209779597U CN209779597U CN201920271868.3U CN201920271868U CN209779597U CN 209779597 U CN209779597 U CN 209779597U CN 201920271868 U CN201920271868 U CN 201920271868U CN 209779597 U CN209779597 U CN 209779597U
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- foundation
- gear box
- drill
- cross
- support frame
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- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 239000002689 soil Substances 0.000 claims abstract description 13
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 238000005056 compaction Methods 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 230000035558 fertility Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011545 laboratory measurement Methods 0.000 description 1
- 238000005527 soil sampling Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The utility model relates to a foundation compactness detection device, which can be applied to the technical field of foundation compactness detection, and comprises a rectangular support frame plate, wherein the middle part of the support frame plate is provided with a limit sleeve, a hollow sleeve is arranged in the limit sleeve in a penetrating way, the side wall of the hollow sleeve is provided with a discharge hole, the top part of the hollow sleeve is fixed with a gear box, the inner axial position of the hollow sleeve is provided with a drill rod, the bottom part of the drill rod is connected with a cross-shaped drill cutter, the top part of the drill rod is connected with a driven gear after penetrating through the bottom plate of the gear box, the driven gear is meshed with a driving gear, the driving gear is fixed on a rotating shaft, the rotating shaft is connected with the inner wall of a bottom plate of the gear box through a bearing, the cross-shaped drill cutter is provided, the two ends of the supporting frame plate are provided with threaded cylinders, and threaded cylinders are internally provided with threaded rods used for being connected with a foundation soil layer.
Description
Technical Field
The utility model relates to a foundation compactness detects technical field, especially relates to a foundation compactness detection device.
Background
The compaction quality of the foundation is one of the most important indexes for the building construction quality management. The strength, rigidity and stability of the foundation can be ensured only by fully compacting the foundation structure, thereby prolonging the service life of the building. The compaction quality of the foundation is represented by the degree of compaction, which is the ratio of the dry density actually achieved after the foundation is compacted to the maximum dry density obtained by an indoor standard compaction test. The determination of the degree of compaction mainly comprises indoor standard density determination and field density test. The conventional methods for measuring the actual degree of compaction include sand-pouring, water-pouring, ring-cutting, nuclear instrument, and core-drilling. The pit digging and sand filling method has complicated working procedures, the whole testing process of the compaction test comprises two parts of site sampling and laboratory measurement and calculation, namely, after soil sampling is finished from a construction site, a taken foundation soil sample and a poured sand sample still need to be repeatedly processed and weighed in a laboratory, and after the sampling is finished, the final compaction of the foundation needs to be calculated. The existing foundation compactness detection lacks equipment capable of directly obtaining results.
In order to solve the problems, a Chinese patent with the publication number of CN109056689A discloses a foundation compactness detection device, which comprises a support frame plate, wherein fixing devices are arranged at two ends of the support frame plate, a limiting sleeve is arranged at the middle part of the support frame plate, a hollow sleeve is arranged in the limiting sleeve in a penetrating manner, a gear box is fixed at the top of the hollow sleeve, a drill rod is arranged at the inner axis position of the hollow sleeve, a cross-shaped drill cutter is connected to the bottom of the drill rod, a counterweight groove and a dial are arranged on the upper surface of a top plate of the gear box, a pointer parallel to the dial is fixed at the middle point of a rotating handle, and a stress sensor is arranged on the cross-shaped. The application file not only simplifies the test procedure of the foundation compactness, can quickly and accurately obtain the required measured foundation compactness value, but also effectively reduces the working strength of testers.
Above-mentioned scheme has been solved current ground compactness testing process and has been required to cause the complicated problem of inspection process at scene and laboratory, but above-mentioned device need 150 kilograms balancing weights to carry out the counter weight at the during operation, and the operation degree of difficulty is big.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a foundation compactness detection device, through being equipped with the support on the support frame board, the support is located gear box periphery and top, be fixed with the hydraulic stem directly over the support is located the gear box, hydraulic stem butt gear box, the support frame flange edge is provided with a screw thread section of thick bamboo, be provided with in the screw thread section of thick bamboo and be used for the screw rod of being connected with the foundation soil layer, the screw rod gos deep into the subbase layer and provides grabs the land fertility, the hydraulic stem pushes down hollow sleeve and drilling rod, avoided current equipment to need use the balancing weight to carry out counter weight and easy operation.
The above technical purpose of the present invention can be achieved by the following technical solutions: a foundation compactness detection device comprises a rectangular support frame plate, wherein a limit sleeve is arranged in the middle of the support frame plate, a hollow sleeve is arranged in the limit sleeve in a penetrating manner, a discharge hole is formed in the side wall of the hollow sleeve, a gear box is fixed at the top of the hollow sleeve, a drill rod is arranged at the inner axis position of the hollow sleeve, a cross-shaped drill cutter is connected to the bottom of the drill rod, a driven gear is connected to the top of the drill rod after penetrating through the gear box bottom plate, the driven gear is meshed with a driving gear, a rotating shaft is arranged in the gear box, the driving gear is fixed on the rotating shaft, a stress sensor is arranged on the cross-shaped drill cutter, the stress sensor is electrically connected with a computer, a support is arranged on the support frame plate, the support is positioned at the periphery and above the gear box, a screw rod used for being connected with the foundation soil layer is arranged in the threaded cylinder, one end of the screw rod is connected with the foundation soil layer, and a positioning rotary disc is arranged at the other end of the screw rod.
Through adopting above-mentioned technical scheme, be equipped with the support on the support frame board, the support is located gear box periphery and top, be fixed with the hydraulic stem directly over the support is located the gear box, hydraulic stem butt gear box, support frame flange edge is provided with a screw thread section of thick bamboo, be provided with in the screw thread section of thick bamboo and be used for the screw rod of being connected with the ground foundation soil layer, the screw rod has powerful land fertility of grabbing, provide hollow telescopic holding down force through the hydraulic stem, it needs 150 kilograms balancing weights to carry out the counter weight to have solved current device at the during operation, the problem that the operation degree of.
The utility model discloses further set up to: the hydraulic pressure pole is equipped with 4, takes the drilling rod to be annular array as the center.
Through adopting above-mentioned technical scheme, the hydraulic stem is equipped with 4 to be annular array with the drilling rod as the center, makes gear box atress balanced.
The utility model discloses further set up to: the support is integrated with the support frame plate, and the top end of the support is in cross-shaped fixed connection.
Through adopting above-mentioned technical scheme, the support is as an organic whole with the support frame board, the support top is cross fixed connection, and the support bears very big ground pulling force at the during operation, and the structure is more stable like this, and the holding capacity is strong.
The utility model discloses further set up to: the rotating shaft is coaxially connected with a stepping motor, and the stepping motor is fixed on the outer side of the gear box.
Through adopting above-mentioned technical scheme, pivot coaxial coupling has step motor, and step motor is fixed in the gear box outside, drives the gear through step motor and rotates, and step motor can pinpoint, does not receive the influence of load change.
The utility model discloses further set up to: the driven gear is larger than the driving gear.
Through adopting above-mentioned technical scheme, driven gear can increase the moment of torsion by being greater than the driving gear.
The utility model discloses further set up to: the length of the screw is greater than that of the drill rod.
Through adopting above-mentioned technical scheme, screw rod length is greater than drilling rod length, provides sufficient land fertility of grabbing.
The utility model discloses further set up to: the screw rods are four and are respectively positioned at four corners of the supporting frame plate.
Through adopting above-mentioned technical scheme, the screw rod is equipped with four, is located the support frame board four corners respectively, can make the support frame board grip ground reinforce, and the atress is balanced.
The utility model discloses further set up to: the tip part of the cross-shaped drill bit is in a conical tip shape.
Through adopting above-mentioned technical scheme, cross drill cutter tip part is the most advanced form of toper, more is favorable to the cross drill cutter to cuting the basement layer.
The utility model discloses further set up to: the cross drill bit is composed of four steel plates which are fixed at the bottom of the drill rod and are vertical to each other, and the heights of stress sensors on the four steel plates of the cross drill bit from the ground are different.
By adopting the technical scheme, the cross drill bit is composed of the four steel plates which are fixed at the bottom of the drill rod and are vertical to each other, the heights of the stress sensors on the four steel plates of the cross drill bit from the ground are different, the average value of the detection values is calculated, and the result is more accurate.
To sum up, the utility model discloses following beneficial effect has:
Through being equipped with the support on the support frame plate, the support is located gear box periphery and top, the support is located and is fixed with the hydraulic stem directly over the gear box, hydraulic stem butt gear box, the support frame flange edge is provided with a screw thread section of thick bamboo, be provided with in the screw thread section of thick bamboo and be used for the screw rod of being connected with the foundation soil layer, the screw rod gos deep into the underlayment and provides the land fertility of grabbing, the hydraulic stem provides hollow sleeve and drilling rod decurrent pressure, it needs 150 kilograms balancing weights to carry out the counter weight at the during operation to.
Drawings
Fig. 1 is the utility model provides a foundation compactness detection device spatial structure schematic diagram.
Fig. 2 is the utility model provides a ground compactness detection device cross-sectional view.
in the figure: 1. a support frame plate; 2. a limiting sleeve; 3. a hollow sleeve; 4. a discharge outlet; 5. a stepping motor; 6. a gear case; 7. a drill stem; 8. a cross drill; 9. a stress sensor; 10. a fixing plate; 11. a driven gear; 12. a driving gear; 13. a rotating shaft; 14. a support; 15. a hydraulic lever; 16. a threaded barrel; 17. a screw; 18. and (5) positioning the rotary table.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples:
As shown in fig. 1, a ground compactness detection device, support frame plate 1 including the rectangle, the middle part of support frame plate 1 is provided with stop collar 2, run through being provided with hollow sleeve 3 in the stop collar 2, the lateral wall of hollow sleeve 3 is provided with bin outlet 4, the top of hollow sleeve 3 is fixed with gear box 6, be equipped with support 14 on the support frame plate 1, support 14 is located gear box 6 periphery and top, support 14 is located and is fixed with hydraulic stem 15 directly over gear box 6, hydraulic stem 15 butt gear box 6, hydraulic stem 15 electricity is connected with the computer (not shown in the figure), hydraulic stem 15 is equipped with 4, use drilling rod 7 to be annular array as the center. The two ends of the support frame plate 1 are provided with threaded cylinders 16, screw rods 17 used for being connected with foundation soil layers are arranged in the threaded cylinders 16, one ends of the screw rods 17 are connected with the foundation soil layers, and the other ends of the screw rods 17 are provided with positioning rotary discs 18. The length of the screw rods 17 is greater than that of the drill rods 7, and four screw rods are arranged and are respectively positioned at four corners of the support frame plate 1. Screw rod 17 stretches into and has strong ground-holding power in the ground, provides hollow sleeve 3's overdraft through hydraulic stem 15, avoids using the balancing weight counter weight.
As shown in fig. 2, a drill rod 7 is arranged at the inner axis position of the hollow sleeve 3, a cross drill 8 is connected to the bottom of the drill rod 7, a driven gear 11 is connected to the top of the drill rod 7 after penetrating through a bottom plate of the gear box 6, the driven gear 11 is engaged with a driving gear 12, the driven gear 11 is larger than the driving gear 12, the driving gear 12 is fixed on a rotating shaft 13, the rotating shaft 13 is coaxially connected with a stepping motor 5, and the stepping motor 5 is fixed on the outer side of the. The cross drill 8 is provided with a stress sensor 9, the stress sensor 9 is electrically connected with a computer (not shown in the figure), the cross drill 8 is composed of four steel plates which are fixed at the bottom of the drill rod 7 and are vertical to each other, and the tip part of the cross drill 8 is in a conical tip shape, so that the cross drill can cut the foundation layer. The heights of the stress sensors 9 on the four steel plates of the cross drill 8 from the ground are different. The support 14 and the support frame plate 1 are integrated, and the top end of the support 14 is fixedly connected in a cross shape.
When the foundation compactness is detected, the screw 17 is fixed in the foundation through the positioning rotary disc 18 to complete positioning, the hollow sleeve 3 is inserted into the limiting sleeve 2, so that the cross drill 8 is contacted with the ground, the stepping motor 5 is started through the computer, the hydraulic rod 15 is started through the computer, the stepping motor 5 drives the driving gear 12 to move through the rotating shaft 13, the driving gear 12 is meshed with the driven gear 11 to rotate, finally the driven gear 11 drives the drill rod 7 to rotate to realize the cutting of the ground soil layer by the cross drill 8, the cut loose soil can be discharged out of the hollow sleeve 3 through the discharge port 4, as the stress sensors 9 are arranged on four blades of the cross drill 8, the stress sensors 9 are electrically connected with the computer, when the initial zero point rotates through an angle of 45 degrees, the stress values corresponding to the four stress sensors 9 are respectively recorded through the stress software in the computer, and further, the computer is used for averaging the four groups of stress values obtained by adopting a specific algorithm to obtain the final stress value.
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 (9)
1. A foundation compactness detection device comprises a rectangular support frame plate (1), wherein a limiting sleeve (2) is arranged in the middle of the support frame plate (1), a hollow sleeve (3) penetrates through the limiting sleeve (2), a discharge hole (4) is formed in the side wall of the hollow sleeve (3), a gear box (6) is fixed at the top of the hollow sleeve (3), a drill rod (7) is arranged at the inner axis position of the hollow sleeve (3), a cross-shaped drill cutter (8) is connected to the bottom of the drill rod (7), a driven gear (11) is connected to the top of the drill rod (7) after penetrating through a bottom plate of the gear box (6), a driving gear (12) is meshed with the driven gear (11), a rotating shaft (13) is arranged in the gear box (6), the driving gear (12) is fixed on the rotating shaft (13), a stress sensor (9) is arranged on the cross-shaped drill cutter (8), the method is characterized in that: be equipped with support (14) on support frame board (1), support (14) are located gear box (6) periphery and top, support (14) are located and are fixed with hydraulic stem (15) directly over gear box (6), hydraulic stem (15) butt gear box (6), hydraulic stem (15) and computer electricity are connected, support frame board (1) edge is provided with screw rod (17) that are used for being connected with the foundation soil layer in screw cylinder (16) is provided with, screw rod (17) one end is connected with the foundation soil layer, the other end is equipped with positioning turntable (18).
2. The foundation compaction degree detection apparatus according to claim 1, wherein: the number of the hydraulic rods (15) is 4, and the hydraulic rods (15) are used as centers and are in an annular array.
3. The foundation compaction degree detection apparatus according to claim 1, wherein: support (14) and support frame board (1) are as an organic whole, support (14) top is cross fixed connection.
4. the foundation compaction degree detection apparatus according to claim 1, wherein: the rotating shaft (13) is coaxially connected with a stepping motor (5), the stepping motor (5) is fixed on the outer side of the gear box (6), and the stepping motor (5) is electrically connected with a computer.
5. The foundation compaction degree detection apparatus according to claim 1, wherein: the driven gear (11) is larger than the driving gear (12).
6. The foundation compaction degree detection apparatus according to claim 1, wherein: the length of the screw (17) is larger than that of the drill rod (7).
7. The foundation compaction degree detection apparatus according to claim 1, wherein: the number of the screw rods (17) is four, and the four screw rods are respectively positioned at four corners of the supporting frame plate (1).
8. The foundation compaction degree detection apparatus according to claim 1, wherein: the end part of the cross-shaped drill (8) is in a conical tip shape.
9. The foundation compaction degree detection apparatus according to claim 1, wherein: the cross drill (8) is composed of four steel plates which are fixed at the bottom of the drill rod (7) and are vertical to each other, and the heights of the stress sensors (9) on the four steel plates of the cross drill (8) from the ground are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271868.3U CN209779597U (en) | 2019-03-04 | 2019-03-04 | Foundation compactness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920271868.3U CN209779597U (en) | 2019-03-04 | 2019-03-04 | Foundation compactness detection device |
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| Publication Number | Publication Date |
|---|---|
| CN209779597U true CN209779597U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920271868.3U Expired - Fee Related CN209779597U (en) | 2019-03-04 | 2019-03-04 | Foundation compactness detection device |
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| CN (1) | CN209779597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695726A (en) * | 2020-12-09 | 2021-04-23 | 黑龙江龙捷市政轨道交通工程有限公司 | Fine-grained soil large-thickness roadbed compactness detection device and detection method |
-
2019
- 2019-03-04 CN CN201920271868.3U patent/CN209779597U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695726A (en) * | 2020-12-09 | 2021-04-23 | 黑龙江龙捷市政轨道交通工程有限公司 | Fine-grained soil large-thickness roadbed compactness detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |