CN211948352U

CN211948352U - Light dynamic sounding instrument with counting function

Info

Publication number: CN211948352U
Application number: CN202020454945.1U
Authority: CN
Inventors: 黄礼维; 刘治桥; 王晓堂
Original assignee: Sinohydro Bureau 5 Co Ltd
Current assignee: Sinohydro Bureau 5 Co Ltd
Priority date: 2020-04-01
Filing date: 2020-04-01
Publication date: 2020-11-17
Anticipated expiration: 2030-04-01

Abstract

The utility model discloses a light dynamic sounding instrument with counting function, which comprises a support rod, wherein a guide disc is fixed on the support rod, a guide pipe is arranged at the center of the guide disc, and a second universal level is also arranged on the guide disc; a probe rod penetrates through the guide pipe, and a probe is fixed at the lower end of the probe rod; the upper end of the probe rod is connected with a drop hammer retaining buckle, the hammer striking rod and the handle retaining buckle are sequentially connected, and the hammer striking rod is sleeved with the hammer; a mechanical counter and a first universal level are arranged on the hammer falling retainer buckle. The utility model provides a artifical count deviation problem and the straightness problem of hanging down of pole setting among the light-duty power penetration test process, reach the hammering number and adopt automatic counting, the pole setting straightness guaranteed effect that hangs down.

Description

Light dynamic sounding instrument with counting function

Technical Field

The utility model relates to a mechanical properties testing arrangement field of soil, especially a take light-duty power sounding appearance of tally function.

Background

Dynamic sounding is generally an instrument for determining the bearing capacity of a foundation and is divided into three types, namely light type, heavy type and extra-heavy type. The dynamic penetration test is to use a heavy hammer with certain mass to drive a probe with standard specification connected with a probe rod into the soil, and judge the mechanical characteristics of the soil according to the hammering number required by the probe to penetrate into the soil to a certain depth.

At present, light-duty power sounding appearance in market is mainly still traditional instrument, need adopt artifical count, sometimes for accurate count, adopt 3 experimental people, 1 people count alone, the cost of labor has been increased, perhaps there is the novel light-duty power sounding appearance that adopts electronic or pneumatics, can carry out the hammering count through other modes, but its structure is complicated, equipment is huge, adopt devices such as electronic or pneumatics all to need on-the-spot to provide electric power, and it is long consuming time to erect equipment on the scene, and the detection cost is high, be unfavorable for reducing the detection cost.

The light dynamic penetration test is mainly used for determining the bearing capacity of a viscous soil foundation, the viscous soil foundation is mainly in an airport area of Zhengzhou province in Henan, and the light dynamic penetration test is mainly used for performing test work when the bearing capacity of the foundation is determined so as to determine whether the bearing capacity of the foundation meets the requirement. Light-duty power penetration test is fast, and the continuity operation requires highly, and manual operation often appears forgetting the count, and adopts artifical pole setting work, and the straightness that hangs down can not effectively be guaranteed, often appears because of personnel's visual error the non-vertical state of pole setting, so need to develop a light-duty power penetration appearance that has automatic counting urgently, and can observe whether the pole setting is in the vertical state in the process.

Light-duty dynamic sounding appearance its characteristics are that the quality is light, test speed is fast, be fit for adopting the manual work to carry out the short-term test, and also mainly adopt the manual work to carry out the experiment in actual work, generally need adopt 2 people to cooperate each other, 1 people's pole setting, 1 people drop the hammer, because the test process needs evenly to drop the hammer in succession, just can reach accurate survey ground bearing capacity, the test process is the highest to need to promote 50cm with 10kg weight in succession and fall 90 times, it forgets often to appear artifical count the short-term, lead to the test failure to carry out the experiment again.

In summary, the conventional light dynamic penetrometer has the following disadvantages: 1. the automatic counting function is not provided, the manual counting error is large, and the result error is large due to omission of the memory, wrong memory and the like; 2. the verticality of the vertical rod of the traditional light dynamic sounding instrument cannot be guaranteed, the inclined rod condition is easy to occur in the test process, and the test result is influenced to a certain extent; 3. the novel dynamic sounding instrument has the characteristics of complex structure, large volume, high cost, long time consumption for field detection and the like, and is not beneficial to reducing the detection cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a take light-duty power penetration tester of tally function is provided, solve artifical count deviation problem and the straightness problem of hanging down of pole setting among the light-duty power penetration test process, reach the hammering number and adopt automatic counting, the pole setting straightness of hanging down is guaranteed effect.

In order to solve the technical problem, the utility model discloses a technical scheme is: a light dynamic sounding instrument with a counting function comprises a supporting rod, wherein a guide disc is fixed on the supporting rod, a guide pipe is arranged at the center of the guide disc, and a second universal level is further arranged on the guide disc;

a probe rod penetrates through the guide pipe, and a probe is fixed at the lower end of the probe rod; the upper end of the probe rod is connected with a drop hammer retaining buckle, the hammer striking rod and the handle retaining buckle are sequentially connected, and the hammer striking rod is sleeved with the hammer; a mechanical counter and a first universal level are arranged on the hammer falling retainer buckle.

Furthermore, the probe rod is sequentially marked with marking lines from the bottom to the top at certain intervals.

Further, the support rod is configured as a telescopic support rod.

Further, the support rods have 3.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the mechanical counter has reliable performance, and particularly can continuously exert the advantage of accurate counting in the high-vibration test process.

2) The mechanical counter replaces the traditional manual counting, the counting accuracy is improved, specially counting testers can be saved, and the testing cost is reduced.

3) The universal level can accurately display the verticality of the vertical rod in the test process, and can provide effective evidence for adjusting the vertical rod by a tester.

4) The vertical direction can be rapidly determined by the mode that the guide pipe is thick and flat, and the whole device is kept in a vertical state in the hammering process.

5) The device solves the problem of retesting the errors of the traditional manual counting, improves the data accuracy of test detection, and reduces the probability of repeated work.

6) This device simple structure, convenient operation, it is higher than novel electronic, pneumatic sounding appearance test efficiency, reduced the overall cost of experimental detection.

Drawings

Fig. 1 is the utility model discloses a take light-duty dynamic sounding appearance overall structure of tally function sketch map.

Fig. 2 is a schematic structural view of a probing part of the light dynamic sounding instrument with counting function of the present invention.

Fig. 3 is a schematic structural view of a power part in the light dynamic sounding instrument with the counting function.

Fig. 4 is a schematic structural diagram of a counting part in the light dynamic sounding instrument with the counting function of the utility model.

Fig. 5 is a schematic structural view of a rough flat part in the light dynamic sounding instrument with a counting function of the utility model.

In the figure: a probe 1; a probe rod 2; a handle stop buckle 3; a hammer rod 4 (or upright rod); a hammer 5; a drop hammer retaining buckle 6; a mechanical counter 7; a first universal level 8; a guide tube 9; a guide plate 10; a second universal level 11; a support rod 12.

Detailed Description

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

The utility model discloses the device is including exploring part, power part, count part, thick flat part, and detailed structure is as follows:

a probe part

1. Structure of the product

1) Consists of a probe 1 and a probe rod 2.

2) The head of the probe 1 is made of conical alloy with the diameter of 40mm, the height of 34.64mm and the cone angle of 60 degrees, a cylinder with the diameter of 40mm and the height of 16mm is connected with the head of the probe, then the alloy with the diameter of 40mm at the upper opening, the diameter of 25mm at the lower opening and the height of 8mm is connected with the head of the probe 1, and an outer wire with the inner diameter of 20mm and the length of 30mm is arranged at the head of the probe 1 and is.

3) The probe rod 2 is made of alloy with the outer diameter of 25mm and the length of 900mm, one end of the probe rod 2 is provided with an inner wire with the inner diameter of 15mm and the length of 25mm and is connected with the probe 1, the other end of the probe rod is provided with an outer wire with the outer diameter of 20mm and the length of 30mm and is used for being connected with the drop hammer retaining buckle 6, and the probe rod 2 is carved with a marking line every 300mm upwards from the bottom and is used for observing the probing depth in the test process.

2. Effect

1) The thread end of the probe 1 and the probe rod 2 are connected into a whole and can be tightly combined and connected.

2) The whole probe-in part meets the standard requirements and meets the requirements of the standard on the section area and specification and size of the probe.

3) The probe rod 2 and the probe 1 are connected and then are on the same axis, and load can be vertically transmitted.

Two, the power part

1. Structure of the product

1) Comprises a hammer 5, a hammer rod 4, a handle catch 3 and a drop hammer catch 6.

2) The hammer 5 is made of cylindrical alloy with the diameter of 140mm and the height of 200mm, a 32mm through hole is reserved in the middle and used for penetrating through the hammer rod 4, and a pair of handles are welded in symmetrical positions in the middle, so that the hammer 5 can be conveniently lifted.

3) The hammer rod 4 is made of alloy with the diameter of 30mm and the length of 760mm, one end of the hammer rod 4 is made into outer threads with the diameter of 20mm and the height of 30mm and is used for being connected with the falling hammer retaining buckle 6, and the other end of the hammer rod is made into inner threads with the inner diameter of 20mm and the depth of 30mm and is used for being connected with the handle retaining buckle 3, and meanwhile, the free falling hammer height of the hammer 5 is ensured to be 500 mm.

4) The handle of the handle retaining buckle 3 is made of common steel with the diameter of 50mm and the height of 120mm, the retaining buckle with the diameter of 80mm and the height of 30mm is welded in front of the handle, and an external thread with the outer diameter of 20mm and the height of 30mm is manufactured in front of the retaining buckle and is connected with the hammer rod 4.

5) The drop hammer retaining buckle 6 is made of alloy steel, the lower end of the drop hammer retaining buckle is made of alloy with the outer diameter of 35mm and the height of 40mm, and an inner wire with the inner diameter of 20mm and the height of 30mm is made in the middle of the drop hammer retaining buckle and is used for being connected with the feeler lever 2; the upper end is made of alloy with the outer diameter of 60mm and the height of 40mm, and the middle position is made into an inner wire with the inner diameter of 20mm and the depth of 30mm and used for being connected with the hammer rod 4.

2. Effect

1) The hammer striking rod 4 penetrates through the center of the hammer, and then one end of the hammer striking rod 4 is connected with the drop hammer retaining buckle 6, and the other end of the hammer striking rod is connected with the handle retaining buckle 3 to form a whole.

2) The power part can ensure the weight of 10kg and the drop height of 500mm required by the specification.

3) The drop hammer catch 6 can transmit the upper dynamic load to the lower probe, and the gravity is formed on the same axis.

4) The handle retaining buckle 3 can limit the height of the drop hammer and can also enable an operator to operate the vertical rod.

Third, counting part

1. Structure of the product

1) The mechanical counter 7 and the first universal level 8 are comprised.

2) The mechanical counter 7 adopts a three-digit mechanical counter, can meet the counting requirement of 0-999, directly welds the mechanical counter 7 on the upper end of the drop hammer catch, and a counting button of the mechanical counter 7 can be directly contacted by the hammer 5 for counting, and has a one-key zeroing function.

3) The first universal level 8 is produced by a market manufacturer, is arranged at the outer edge of a circular ring at the lower end of the drop hammer retaining buckle 6, and can freely rotate on the circular ring.

2. Effect

1) A mechanical counter 7 is welded at the upper end of a drop hammer retaining buckle 6, a counting button of the mechanical counter 7 can be contacted with a hammer 5 to trigger counting, and a first universal level 8 is arranged at the lower end of the drop hammer retaining buckle 6 and can rotate freely in a lower end ring.

2) The mechanical counter 7 can count 1 time automatically when the hammer falls to the drop hammer stop buckle 6, and after a plurality of tests, the mechanical counter 7 counts accurately without finding the conditions of more counts, less counts, missed counts and the like.

3) The perpendicularity of the vertical rod can be observed through the first universal level 8, when the verticality of the vertical rod is insufficient, the first universal level 8 deviates, an operator of the vertical rod can adjust the vertical rod immediately, and the situation that the vertical rod inclines cannot be caused.

Four, thick flat part

1. Structure of the product

1) The device consists of a guide pipe 9, a support rod 12, a guide disc 10 and a second universal level 11.

2) The guide tube 9 is made of stainless steel with an outer diameter of 32mm, a central diameter of 28mm and a height of 100 mm.

3) The support rod 12 is made of a common steel pipe with the diameter of 30mm and the wall thickness of 3mm, the bottom of the support rod 12 is welded with the bottom of the support rod with the diameter of 80mm and the thickness of 14mm, the bottom of the support rod is welded with the support rod 12, the middle of the support rod is provided with a telescopic support rod, and the upper part of the support rod 12 is welded with the guide disc 10.

4) The guide disc 10 is made of a steel plate with the diameter of 300mm and the thickness of 10mm, a guide pipe 9 is arranged in the center of the guide disc in a hollowed mode, the guide pipe is integrated by adopting a welding mode, and a second universal level 11 is arranged on the outer side of the guide disc 10.

5) The second universal level 11 is manufactured by a market manufacturer and is mounted on the outer side of the guide disc 10.

2. Effect

1) The guide pipe 9 is welded at the center of the guide disc, the second universal level 11 is installed at one side of the guide pipe 9, and the support rod 12 is welded at the lower part of the guide disc to form a whole.

2) The probe rod 2 can freely pass through the guide tube 9, and the guide tube 9 can fix and vertically guide the probe rod 2, so that the probe rod 2 is basically in a vertical state.

3) The guide disc 10 is matched with the second universal level 11 for use, and whether the guide disc 10 is installed horizontally or not can be observed, so that the verticality of the guide pipe 9 is reflected.

4) The supporting rod 12 is arranged in a telescopic manner, and the height can be freely adjusted, so that the guide disc 10 is in a level balance state, and the guide pipe 9 is enabled to be vertical.

Fifth, assemble

1. Integral structure

1) The guide tube 9 is welded at the center of the guide plate 10, the second universal level 11 is installed at one side of the guide tube 9, and the support rod 12 is welded at the lower part of the guide plate 10 to form a whole.

2) The probe rod 2 penetrates through the guide tube 9, and then the wire end of the probe 1 is connected with the probe rod 2 into a whole, so that the probe rod and the probe rod can be tightly combined and connected.

3) The hammer striking rod 4 penetrates through the center of the hammer, and then one end of the hammer striking rod 4 is connected with the drop hammer retaining buckle 6, and the other end of the hammer striking rod is connected with the handle retaining buckle 3 to form a whole.

4) The mechanical counter 7 is welded at the upper end of the drop hammer catch 6, the counting button of the mechanical counter 7 can contact with the hammer to trigger counting, and the first universal level 8 is arranged at the lower end of the drop hammer catch 6 and can rotate freely in a lower end ring.

5) The top end of the probe rod 2 is connected with the lower end of the drop hammer retaining buckle 6, and the whole device is integrated.

6) After the assembly is completed, the length, width and weight of the whole device are about 400mm 300mm 1800mm, and about 14 kg.

2. Technical effects

After all the devices are assembled, the whole device is moved outdoors, a bearing capacity test is carried out on a clay foundation, firstly, a support rod 12 is horizontally arranged on the ground, the length of the support rod 12 is adjusted, a second universal level 11 on a guide disc 10 is horizontally centered, then a probe 1 is turned to the top surface of a detection layer, then a handle retaining buckle 3 is held by one tester, whether the second universal level 11 is horizontal or not is observed, one key of the universal level is reset to zero after the second universal level is horizontal, another tester lifts a striking hammer 5 upwards until the part below the handle retaining buckle 3 falls freely, the step is continuously operated, the worker simultaneously records the striking times, the tester holding the handle retaining buckle 3 in the whole test process keeps a vertical state all the time, the striking tester strikes 52 times totally, the striking depth is 30cm, the test is stopped, and a mechanical counter is checked for 52 times; and then, other points are selected for respectively testing again, the manual counting is the same as the counting of the mechanical counter, and no error occurs, so that the mechanical counter 7 is accurate and reliable in counting, the manual counting can be replaced, the error and the error judgment caused by human factors in the testing process are reduced, and the detection efficiency and the accuracy are improved.

This device is through the test, and the straightness that hangs down of pole setting can be observed at any time to the experimenter through first universal spirit level 8, has guaranteed the straightness that hangs down of pole setting, can great promotion test data's authenticity and accuracy, and 7 counts accurately by mechanical type counter, the condition such as hourglass meter, wrong meter, few meters can not appear.

Claims

1. The light dynamic sounding instrument with the counting function is characterized by comprising a supporting rod (12), wherein a guide disc (10) is fixed on the supporting rod (12), a guide pipe (9) is arranged at the center of the guide disc (10), and a second universal level (11) is further arranged on the guide disc (10);

a probe rod (2) penetrates through the guide tube (9), and a probe (1) is fixed at the lower end of the probe rod (2); the upper end of the probe rod (2) is connected with a drop hammer retaining buckle (6), the hammer striking rod (4) and the handle retaining buckle (3) are sequentially connected, and the hammer striking rod (4) is sleeved with a hammer (5); a mechanical counter (7) and a first universal level (8) are arranged on the drop hammer retaining buckle (6).

2. The light dynamic penetrometer with counting function according to claim 1, characterized in that the probe rod (2) is marked with marking lines sequentially from bottom to top at regular intervals.

3. The light dynamic penetrometer with counting function according to claim 1, characterized in that the support rod (12) is arranged as a telescopic support rod.

4. The light dynamic penetrometer with counting function according to claim 1, characterized in that the supporting rods (12) have 3 bars.