CN209741810U - Combined type load testing device - Google Patents
Combined type load testing device Download PDFInfo
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- CN209741810U CN209741810U CN201920278135.2U CN201920278135U CN209741810U CN 209741810 U CN209741810 U CN 209741810U CN 201920278135 U CN201920278135 U CN 201920278135U CN 209741810 U CN209741810 U CN 209741810U
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- load testing
- bearing plate
- testing device
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- pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 70
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000002131 composite material Substances 0.000 claims 7
- 239000002689 soil Substances 0.000 abstract description 25
- 239000010410 layer Substances 0.000 abstract description 5
- 239000002344 surface layer Substances 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a combined type load testing device, which relates to the technical field of engineering field test equipment and aims to solve the problem that the bearing capacity of the ground surface layer is only detected, the load testing of different soil layer depths of foundation soil is not detected, and the accuracy of a measuring result is reduced, and comprises a detection bridge, a bearing plate, a pressure measuring device arranged on the bearing plate and a first jack arranged on the pressure measuring device, wherein the spiral load testing devices are respectively arranged on two sides of the bearing plate, each spiral load testing device comprises a positioning mechanism, a pressurizing device, a bearing plate and a drill bit, the pressurizing device is arranged above the positioning mechanism, the bearing plate and the drill bit are sequentially connected below the pressurizing device, and the bearing plate is of a spiral plate type structure, the spiral plate type load testing device arranged on two sides of the spiral plate type load testing device is used for testing loads of different soil layer depths, so that the measuring precision of the spiral plate type load testing device is improved.
Description
Technical Field
The utility model belongs to the technical field of engineering field test equipment technique and specifically relates to a combined type load testing device is related to.
Background
The static load test is a field test which simulates the condition that a building foundation is subjected to static load, obtains the relation between the load and the deformation of the foundation and the change rule of the sinking of a soil body along with the time under the action of the load. The test is to load on a rigid bearing plate and measure the deformation of the foundation soil so as to determine the bearing capacity and deformation modulus of the foundation soil and estimate the settlement of the solid foundation and the like.
The rapid flat plate load tester disclosed in chinese patent publication No. CN105203401A includes a detection bridge, a bearing plate, a pressure measuring device on the bearing plate, a jack on the pressure measuring device, a displacement measuring device on the detection bridge, a probe of the displacement measuring device contacting with the surface of the bearing plate, and a data processing device connected to the pressure measuring device and the displacement measuring device via wires. The detection bridge is provided with a support, and the displacement measurement device is arranged on the support. The jack comprises an oil cylinder, the oil cylinder is connected with a manual pump, an oil supply pipeline of the manual pump is provided with a control valve, and the control valve is connected with a data processing device through a lead. The upper surface of the bearing plate is horizontal and is provided with a horizontal bubble, and the lower surface of the bearing plate is an inclined plane inclined by 1% -6%. And the data processing device can acquire the test data of the sensor and operate the opening and closing of the control valve of the jack. The device has the advantages of high installation speed, simplicity and convenience in operation, accurate and objective results and the like, saves the test time, and reduces the labor intensity of testers.
However, the above-described technique has the following drawbacks: the measuring result is only the detection of the bearing capacity of the surface layer of the ground, but the load test of different soil layer depths of the foundation soil cannot be realized, so that the accuracy of the measuring result is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a combined type load testing device can test the load of different soil layer degree of depth through the spiral plate formula load testing device that its both sides were set up when using dull and stereotyped load testing device to detect the bearing capacity on ground top layer to promote its measurement accuracy.
The above object of the present invention can be achieved by the following technical solutions: the utility model provides a combined type load testing arrangement, includes detection bridge, loading board and the first jack that is equipped with on the loading board, include and be provided with spiral load testing arrangement respectively in loading board both sides, spiral load testing arrangement includes positioning mechanism, pressure device, bearing plate and drill bit, pressure device sets up in the positioning mechanism top, the bearing plate connects gradually in the pressure device below with the drill bit, the bearing plate becomes the spiral plate formula structure.
According to the technical scheme, when the foundation soil is measured, firstly, a test point is selected on a roadbed surface to be detected, then an instrument is assembled, the bearing plate is directly placed on the roadbed surface, the pressure testing device and the jack are not required to be leveled in advance, meanwhile, the lower anchor machine or the manpower is used for screwing the positioning mechanism into the ground, then the pressurizing device, the drill bit and the bearing plate are connected into a whole, the lower anchor machine or the manpower is used for screwing the spiral plate type bearing plate to the test point depth in the soil, then the first jack and the pressurizing device are controlled to apply force to the bearing plate and the bearing plate, data of the bearing plate and the bearing plate are collected and processed, a result is obtained, and the accuracy of a measuring result of the bearing plate is improved.
The utility model discloses further set up to: the positioning mechanism comprises a cross beam and a plurality of positioning anchors which need to go deep into the ground, the cross beam is perpendicular to the detection bridge, the center of the cross beam is connected with the detection bridge, and a fixing rod is connected between the cross beam and the positioning anchors.
Implement above-mentioned technical scheme, when carrying out the measurement of load to the foundation soil, on waiting to detect the roadbed face earlier, select the test point, assemble the instrument again, directly place the loading board on the roadbed face, need not to level in advance, place pressure test device and jack on it in proper order, simultaneously through anchor machine or manpower down with the location anchor screw in underground of installing on the crossbeam, then through the dead lever with crossbeam rigidity, with measuring device monolithic stationary, detect it, make things convenient for the staff to operate to promote its work efficiency.
The utility model discloses further set up to: the detection bridge includes the mounting and is located the moving part of mounting both sides, the mounting with first jack is connected, the moving part is pegged graft in the mounting, the moving part slides along the horizontal direction in the mounting and is connected, regulation hole () has been seted up on the mounting be equipped with on the moving part with regulation hole complex bolt, the one end that the bolt stretches out the regulation hole is equipped with the nut.
Implement above-mentioned technical scheme, because it need measure the condition of foundation soil different at every turn, when the position of the spiral load testing arrangement of its both sides need to be adjusted, loosen its nut, the moving part of its both sides installation of control is at the horizontal slip, after it adjusts to required position, fixes it through the nut, realizes the change to spiral load testing arrangement position, has made things convenient for staff's operation to its work efficiency has been promoted.
The utility model discloses further set up to: the pressurizing device comprises a second jack and a connecting rod, the jack is arranged on the cross beam, and the connecting rod is matched with the drill bit.
When the technical scheme is implemented, when the load of foundation soil is measured, firstly, a test point is selected on a roadbed surface to be detected, then an instrument is assembled, the bearing plate is directly placed on the roadbed surface, the pressure testing device and the jack are not required to be leveled in advance, meanwhile, the lower anchor machine or manpower is used for screwing the positioning mechanism into the ground, then the pressurizing device, the drill bit and the bearing plate are connected into a whole, the lower anchor machine or the manpower is used for screwing the spiral plate type bearing plate to the test point depth in the soil, then the first jack and the second jack are controlled to apply pressure to the bearing plate and the bearing plate through the fixing rod and the connecting rod respectively, the required data are obtained, and the accuracy of the measured data is improved.
The utility model discloses further set up to: the connecting rod is composed of a plurality of sub-connecting rods which are connected through threads.
Implement above-mentioned technical scheme, constitute through setting up the connecting rod into by a plurality of through threaded connection from the connecting rod, its bearing plate need be through anchor machine or manpower down with it revolve to the required degree of depth in the ground before pressurizeing, when its connecting rod length need supply, continue on its top connecting rod through the new connecting rod of threaded connection, increase its length, need not use the connecting rod of overlength, convenient transportation and operation to promote its convenience.
The utility model discloses further set up to: and the drill bit is connected with a pressure sensor.
Implement above-mentioned technical scheme, through be connected with pressure sensor on the drill bit, its drill bit contacts with ground under the effect of second jack to the in-process of displacement downwards, pressure sensor can measure its pressure of receiving and transmit it out, conveniently supplies the staff record, thereby promotes its work efficiency.
The utility model discloses further set up to: the top of the first jack is provided with a pressure gauge.
Implement above-mentioned technical scheme, through the pressure gauge of the top installation at first jack, when making things convenient for the staff to pressurize the loading board through first jack, can its pressure's of effectual control size to make things convenient for the staff to take notes, thereby promote its work efficiency.
The utility model discloses further set up to: the top of the bearing plate is provided with a level gauge.
Implement above-mentioned technical scheme, through the top installation at the loading board have the spirit level, can detect whether level on its loading board place ground, on which side its incline direction is, what is its inclination, make things convenient for the staff to adjust to promote its convenience.
To sum up, the utility model discloses a beneficial technological effect does:
1. When the load of foundation soil is measured, firstly, a test point is selected on a roadbed surface to be detected, then an instrument is assembled, a bearing plate is directly placed on the roadbed surface without leveling in advance, a pressure testing device and a jack are sequentially placed on the upper part of the bearing plate, a positioning mechanism is screwed into the ground by a lower anchor machine or manpower, then a pressurizing device, a drill bit and a bearing plate are connected into a whole, a spiral plate type bearing plate is screwed to the depth of the test point in the soil by the lower anchor machine or the manpower, then, a first jack and the pressurizing device are controlled to apply force to the bearing plate and the bearing plate, the data of the bearing plate and the bearing plate are collected and processed, and the result is obtained, so that the accuracy of the measurement result is improved;
2. The conditions that foundation soil needs to be measured each time are different, when the positions of the spiral load testing devices on the two sides of the foundation soil need to be adjusted, the nuts are loosened, the moving parts arranged on the two sides of the moving parts are controlled to horizontally slide, and the moving parts are fixed through the nuts after being adjusted to the required positions, so that the positions of the spiral load testing devices are changed, the operation of workers is facilitated, and the working efficiency of the spiral load testing devices is improved;
3. Through setting up the connecting rod into being become by a plurality of through threaded connection from the connecting rod group, its bearing plate need be through anchor machine or manpower soon its required degree of depth in ground down before pressurizeing, and when its connecting rod length need be replenished, continue on its top connecting rod through the new connecting rod of threaded connection, increase its length, need not be using the connecting rod of overlength, convenient transportation and operation to promote its convenience.
Drawings
Fig. 1 is a schematic view of the overall structure of the combined type load testing device provided by the present invention.
Fig. 2 is a schematic view of the overall structure of the detection bridge in the combined type load testing device provided by the present invention.
In the figure: 1. detecting the bridge; 11. a fixing member; 111. an adjustment hole; 12. a movable member; 121. a bolt; 122. a nut; 2. a carrier plate; 21. a first jack; 211. a pressure gauge; 3. a helical load testing device; 4. a positioning mechanism; 41. a cross beam; 42. positioning an anchor; 43. fixing the rod; 5. a pressurizing device; 51. a second jack; 52. a connecting rod; 521. a sub-connecting rod; 6. a pressure bearing plate; 61. a level gauge; 7. a drill bit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a combined type load testing device, including the detection bridge 1, the bearing board 2 and the first jack 21 installed on the bearing board 2, the top of the first jack 21 is installed with the pressure gauge 211, install the spirit level 61 on the top of the bearing board 2, the spiral type load testing device 3 is installed on both sides of the bearing board 2, the spiral type load testing device 3 includes the positioning mechanism 4, the pressure device 5, the bearing plate 6 and the drill bit 7, the pressure device 5 is installed above the positioning mechanism 4, the bearing plate 6 and the drill bit 7 are connected in turn below the pressure device 5, the positioning mechanism 4 includes the beam 41 and a plurality of positioning anchors 42 which need to go deep into the ground, the beam 41 is perpendicular to the detection bridge 1 and its central position is connected with the detection bridge 1, the dead lever 43 is connected between the beam 41 and the positioning anchors 42, the pressure device 5 includes the second jack 51 and the connecting rod 52, the jack is arranged on the cross beam 41, the connecting rod 52 of the jack is matched with the drill bit 7, the connecting rod 52 consists of a plurality of sub connecting rods 521 which are connected through threads, the drill bit 7 is connected with a pressure sensor, and the pressure bearing plate 6 is of a spiral plate type structure; when the load of foundation soil is measured, firstly, a test point is selected on a roadbed surface to be detected, then an instrument is assembled, the bearing plate 2 is directly placed on the roadbed surface without leveling in advance, the level meter 61 can detect whether the ground where the bearing plate 2 is located is horizontal and the inclination angle of the bearing plate 2 is on, so that the adjustment by a worker is convenient, a pressure testing device and a jack are sequentially placed on the upper portion of the bearing plate, meanwhile, a positioning anchor 42 arranged on a cross beam 41 is screwed into the ground through a lower anchoring machine or manpower, then the position of the cross beam 41 is fixed through a fixing rod 43, then a pressurizing device 5, a drill 7 and a bearing plate 6 are connected into a whole, the spiral plate type bearing plate 6 is screwed to the depth of the test point in the soil through the lower anchoring machine or manpower, when the length of a connecting rod 52 needs to be supplemented, a new connecting rod 52 is continuously connected to the connecting rod 52 at the top of the, increase its length, need not be using the connecting rod 52 of overlength, convenient transportation and operation are controlled first jack 21 again and second jack 51 through dead lever 43 and connecting rod 52 respectively to its loading board 2 and bearing plate 6 pressure application, when first jack 21 pressurizes loading board 2, the size of its pressure of effectual control, and make things convenient for the staff to take notes, drill bit 7 contacts with ground under second jack 51's effect, and the in-process of displacement downwards, pressure sensor can measure its pressure of receiving and transmit it out, conveniently supply the staff record, reach required data, and collect and handle data, reach the result.
Because the conditions of the foundation soil to be measured at each time are different, the detection position of the foundation soil is often required to be adjusted to adapt to the field conditions, as shown in fig. 2, the detection bridge 1 comprises a fixed part 11 and moving parts 12 positioned at two sides of the fixed part 11, the fixed part 11 is connected with a first jack 21, the moving parts 12 are inserted in the fixed part 11, the moving parts 12 are connected in the fixed part 11 in a sliding manner along the horizontal direction, the fixed part 11 is provided with an adjusting hole 111, the moving parts 12 are provided with bolts 121 matched with the adjusting hole 111, and one ends of the bolts 121 extending out of the adjusting hole 111 are provided with nuts 122; when the positions of the spiral load testing devices 3 on the two sides of the spiral load testing device need to be adjusted, the nuts 122 are loosened, the movable pieces 12 installed on the two sides of the spiral load testing device are controlled to horizontally slide, and after the movable pieces are adjusted to the required positions, the movable pieces are fixed through the nuts 122, so that the positions of the spiral load testing devices 3 are changed, and the operation of workers is facilitated.
Working process (principle): when the load of the foundation soil is measured, firstly, a test point is selected on a roadbed surface to be detected, then an instrument is assembled, the bearing plate 2 is directly placed on the roadbed surface without leveling in advance, the level meter 61 can detect whether the ground of the bearing plate 2 is horizontal and the inclination direction of the bearing plate is at which side and the inclination angle is so that the bearing plate is convenient for a worker to adjust, a pressure testing device and a jack are sequentially placed at the upper part of the level meter, when the positions of the spiral load testing devices 3 at two sides of the level meter need to be adjusted, nuts 122 of the level meter are loosened to control moving pieces 12 installed at two sides of the level meter to horizontally slide, after the level meter is adjusted to the required position, the level meter is fixed through the nuts 122 to change the position of the spiral load testing devices 3, meanwhile, positioning anchors 42 installed on the cross beam 41 are screwed into the ground through a lower anchoring machine or manpower, then the position of the cross beam, then the pressurizing device 5, the drill 7 and the bearing plate 6 are connected into a whole, the spiral plate type bearing plate 6 is screwed to the depth of a test point in the soil by using a lower anchor machine or manpower, when the length of the connecting rod 52 needs to be supplemented, a new connecting rod 52 is continuously connected on the connecting rod 52 at the top of the connecting rod 52 through threads to increase the length of the connecting rod, an overlong connecting rod 52 is not needed, the transportation and operation are convenient, the first jack 21 and the second jack 51 are controlled to apply pressure to the bearing plate 2 and the bearing plate 6 through the fixing rod 43 and the connecting rod 52 respectively, when the bearing plate 2 is pressurized by the first jack 21, the pressure can be effectively controlled, the recording by a worker is convenient, the drill 7 is contacted with the ground under the action of the second jack 51, and in the process of downward displacement, the pressure sensor can measure and transmit the received pressure, the data acquisition system is convenient for workers to record, obtains required data, collects and processes the data and obtains results.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. the utility model provides a combined type load testing arrangement, includes detection bridge (1), loading board (2) and first jack (21) that are equipped with on loading board (2), its characterized in that: include and be provided with spiral load testing arrangement (3) respectively in loading board (2) both sides, spiral load testing arrangement (3) include positioning mechanism (4), pressure device (5), pressure-bearing plate (6) and drill bit (7), pressure device (5) set up in positioning mechanism (4) top, pressure-bearing plate (6) and drill bit (7) connect gradually in pressure device (5) below, pressure-bearing plate (6) become the spiral plate formula structure.
2. The composite load testing device of claim 1, wherein: the positioning mechanism (4) comprises a cross beam (41) and a plurality of positioning anchors (42) required to go deep into the ground, the cross beam (41) is perpendicular to the detection bridge (1) and the center of the cross beam is connected with the detection bridge (1), and a fixing rod (43) is connected between the cross beam (41) and the positioning anchors (42).
3. the composite load testing device of claim 1, wherein: detection bridge (1) includes mounting (11) and is located moving part (12) of mounting (11) both sides, mounting (11) with first jack (21) are connected, moving part (12) are pegged graft in mounting (11), moving part (12) slide along the horizontal direction in mounting (11) and are connected, regulation hole (111) have been seted up on mounting (11) be equipped with on moving part (12) with regulation hole (111) complex bolt (121), the one end that bolt (121) stretched out regulation hole (111) is equipped with nut (122).
4. The composite load testing device of claim 1, wherein: the pressurizing device (5) comprises a second jack (51) and a connecting rod (52), the second jack (51) is arranged on the cross beam (41), and the connecting rod (52) is matched with the drill bit (7).
5. The composite load testing device of claim 4, wherein: the connecting rod (52) is composed of a plurality of sub-connecting rods (521) which are connected through screw threads.
6. The composite load testing device of claim 1, wherein: and the drill bit (7) is connected with a pressure sensor.
7. The composite load testing device of claim 1, wherein: the top of the first jack (21) is provided with a pressure gauge (211).
8. The composite load testing device of claim 1, wherein: the top of the bearing plate (2) is provided with a level gauge (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278135.2U CN209741810U (en) | 2019-03-04 | 2019-03-04 | Combined type load testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920278135.2U CN209741810U (en) | 2019-03-04 | 2019-03-04 | Combined type load testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209741810U true CN209741810U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920278135.2U Expired - Fee Related CN209741810U (en) | 2019-03-04 | 2019-03-04 | Combined type load testing device |
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| CN (1) | CN209741810U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501715A (en) * | 2020-04-17 | 2020-08-07 | 孙景辉 | Device for detecting bearing capacity of pile soil composite foundation |
| CN112683233A (en) * | 2020-12-15 | 2021-04-20 | 温州鼎玛建筑技术有限公司 | Building settlement detection method |
-
2019
- 2019-03-04 CN CN201920278135.2U patent/CN209741810U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111501715A (en) * | 2020-04-17 | 2020-08-07 | 孙景辉 | Device for detecting bearing capacity of pile soil composite foundation |
| CN112683233A (en) * | 2020-12-15 | 2021-04-20 | 温州鼎玛建筑技术有限公司 | Building settlement detection method |
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| 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: 20191206 |