CN215338994U

CN215338994U - Earthwork backfill compactness detection device

Info

Publication number: CN215338994U
Application number: CN202121168201.4U
Authority: CN
Inventors: 牟宏杰; 赵纪锋; 张正刚
Original assignee: Xi'an First Railway Engineering Consulting And Supervision Co ltd
Current assignee: Xi'an Railway First Design&research Institute Engineering Consulting Management Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-12-28
Anticipated expiration: 2031-05-27

Abstract

The utility model relates to a compactness detection device is backfilled to earthwork relates to the field of building detection device technique, and it includes bottom plate, drive assembly and geotome, and drive assembly includes mounting panel, two-way screw rod, sliding sleeve, connecting rod and fixed plate, and the mounting panel is connected with the bottom plate, and two-way screw rod and mounting panel rotate to be connected, and the sliding sleeve is equipped with two, a sliding sleeve one-to-one and two-way screw rod one end threaded connection, and the connecting rod is equipped with two, and connecting rod one end one-to-one rotates with a sliding sleeve to be connected, and the sliding sleeve was kept away from to the connecting rod one end and the fixed plate rotates to be connected, geotome with fixed plate fixed connection, seted up the confession on the bottom plate the perforation that the geotome passed. In the use, drive the geotome through drive assembly and go up and down to the operation of digging out the trial pit and borrowing. This application has the effect that reduces operating personnel's intensity of labour.

Description

Earthwork backfill compactness detection device

Technical Field

The application relates to the field of civil engineering detection device technology, in particular to a device for detecting the earth backfill compactness.

Background

The earthwork backfill is the fill of the building engineering, and mainly comprises foundation fill, foundation pit or pipe ditch backfill, indoor terrace backfill, outdoor site backfill leveling and the like.

The earthwork backfilling step is a process of cleaning the ground at the bottom of the foundation pit, testing the soil quality, paving the soil layer by layer, raking, compacting by ramming, testing the compactness and finishing, leveling and checking, wherein after each layer of the backfilled soil is tamped, the backfilling sampling is carried out according to the specification and the compactness of dry soil is measured, wherein the sand filling method is a main method for measuring the compactness in many engineering sites at present.

In view of the above-mentioned related technologies, the inventor believes that the operation of digging a test pit has a drawback of high labor intensity for operators in the sand-filling operation process.

SUMMERY OF THE UTILITY MODEL

In order to reduce operating personnel's intensity of labour, this application provides a compactness detection device is backfilled to earthwork.

The application provides a cubic backfill compactness detection device adopts following technical scheme:

the utility model provides a compactness detection device is backfilled to earthwork, includes bottom plate, drive assembly and geotome, drive assembly includes mounting panel, two-way screw rod, sliding sleeve, connecting rod and fixed plate, the mounting panel with the bottom plate is connected, two-way screw rod with the mounting panel rotates to be connected, the sliding sleeve is equipped with two, one the sliding sleeve one-to-one with two-way screw rod one end threaded connection, the connecting rod is equipped with two, one connecting rod one end one-to-one with one the sliding sleeve rotates to be connected, the connecting rod is kept away from the one end of sliding sleeve with the fixed plate rotates to be connected, geotome with fixed plate fixed connection, the confession has been seted up on the bottom plate the perforation that the geotome passed.

Through adopting above-mentioned technical scheme, when needs detect backfill compactness, remove the bottom plate to the check point, then rotate two-way screw rod, because sliding sleeve and two-way screw rod threaded connection, and the sliding sleeve receives the connecting rod, the action of gravity of fixed plate and geotome, make the connecting rod, the fixed plate, the geotome has the effect of direction to the sliding sleeve, consequently, can drive the sliding sleeve when two-way screw rod rotate and slide along the screw rod, when two sliding sleeves slide towards the one side that is close to each other, drive the connecting rod rotation when the sliding sleeve slides, thereby push down the fixed plate, it passes the perforation and inserts in the backfill soil to drive the geotome when the fixed plate pushes down, then the reverse rotation screw rod, extract the geotome can, above-mentioned process is simple swift, therefore, the practicality is strong, do not need artifical manual excavation to try the hole and gather the soil sample, operating personnel's intensity of labour has been reduced.

Optionally, the driving assembly further comprises a guide rod, one end of the guide rod is fixedly connected with the bottom plate, a guide hole for the guide rod to penetrate is formed in the fixed plate, and the fixed plate is slidably connected with the guide rod through the guide hole.

Through adopting above-mentioned technical scheme, set up the guide bar and can keep stable guide effect to the fixed plate, avoid leading to the sliding sleeve can not follow the gliding problem of two-way screw rod because of gravity is not enough to avoid the fixed plate to follow two-way screw rod circumferential direction, improved the reliability of drive assembly during operation.

Optionally, the portable electronic scale further comprises a weighing assembly, the weighing assembly is located on one side, far away from the through hole, of the bottom plate, the weighing assembly comprises an electronic scale and a weighing disc, the electronic scale and the bottom plate are fixedly connected through screws, and the weighing disc is placed on the electronic scale.

Through adopting above-mentioned technical scheme, after digging good test pit, pour the soil that the geotome was taken out into the weighing dish in, operating personnel does the record through the electronic scale registration to the quality of soil sample, then carries out the calculation to backfill compactness, through weighing the quality combine to the bottom plate on, operating personnel need not to carry extra weighing equipment alright directly detect, have convenient efficient characteristics.

Optionally, the mounting panel is equipped with two, mounting panel bottom fixedly connected with locating lever, arbitrary the mounting panel passes through the dwang with the bottom plate rotates to be connected, another the mounting panel passes through the locating lever with bottom plate sliding connection.

Through adopting above-mentioned technical scheme, when weighing the soil sample, promote the locating lever with bottom plate sliding connection, the locating lever drives the mounting panel when removing and removes, drive assembly when the mounting panel removes, thereby drive the geotome and remove, when the geotome removes directly over the weighing plate, then pour the soil sample in the geotome into in the weighing plate can weigh the soil sample, it will shift to in the weighing plate to need not operating personnel to adopt other container soil samples, avoid shifting the in-process production quality loss of soil sample at the shift, can be favorable to improving the degree of accuracy that detects the backfill soil compactness.

Optionally, still including the subassembly of unloading, the subassembly of unloading includes stripper bar and stripper plate, the stripper bar with screw rod fixed connection, offer the confession on the fixed plate the hole of dodging that the stripper bar passed, the stripper plate is located inside the geotome and with geotome sliding connection.

Through adopting above-mentioned technical scheme, when unloading, drive assembly drives the fixed plate and the geotome rises, when rising to the take the altitude, the stripper passes and dodges hole and stripper butt, when the geotome continues to rise, the stripper drives the stripper and slides along the geotome, make the soil sample in the geotome released when the stripper slides, then drop to in the weighing plate, above-mentioned operation can reduce soil sample and geotome inner wall adhesion, it is great with the soil sample weight of actually taking out to differ from the soil sample weight of avoiding weighing, be favorable to improving the degree of accuracy that detects.

Optionally, a plurality of accommodation holes are formed in the mounting plate, springs are arranged in the accommodation holes, and one ends of the springs are fixedly connected with the inner walls of the accommodation holes, the other ends of the springs are fixedly connected with the stripper plate.

Through adopting above-mentioned technical scheme, the stripper is released the geotome back with the soil sample, receives the two-way screw rod of antiport, and the geotome descends, and the stripper withdraws from in the geotome, and the stripper receives the elasticity of spring can automatic re-setting, need not that operating personnel is manual to reset the stripper, has improved the convenience that detection device used.

Optionally, a level gauge is arranged on the bottom plate.

Through adopting above-mentioned technical scheme, adjust the levelness of bottom plate through observing the spirit level before detecting to guarantee the regularity of the soil sample that the geotome took out and the test pit of excavation, be favorable to improving and detect the precision.

Optionally, the guide rod is provided with scales.

Through adopting above-mentioned technical scheme, in the testing process, operating personnel can observe the degree of depth that the geotome inserted in the backfill soil through the scale, is convenient for dig the test pit of getting the different degree of depth, has improved detection device's suitability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the device for detecting the earth backfill compactness comprises a bottom plate and a driving assembly, wherein the driving assembly drives the soil sampler to be inserted into backfill soil for soil sampling and test pit digging, and then drives the soil sampler to be pulled out, so that an operator does not need to manually dig the test pit and collect a soil sample, and the labor intensity of the operator is reduced;

2. the application provides a pair of compactness detection device is backfilled to earthwork includes the subassembly of unloading, and the subassembly of unloading includes stripper and stripper, and the ascending in-process of geotome drives the stripper and slides along the geotome to release the soil sample to the weighing plate in, can reduce the adhesion of soil sample and geotome inner wall, be favorable to improving the degree of accuracy that detects.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a sectional view of a stationary plate and a soil sampler according to an embodiment of the present application.

Reference numerals: 1. a base plate; 11. a level gauge; 12. an arc-shaped chute; 13. perforating; 2. a drive assembly; 21. mounting a plate; 211. positioning a rod; 2111. a limiting block; 2112. carrying out top thread; 22. a bidirectional screw; 221. a hand wheel; 222. connecting sleeves; 23. a sliding sleeve; 231. a hinge portion; 24. a connecting rod; 25. a fixing plate; 251. a hinged seat; 252. a guide hole; 253. avoiding holes; 254. an accommodation hole; 2541. a spring; 26. a guide bar; 261. calibration; 3. a soil sampler; 4. a discharge assembly; 41. a discharge rod; 42. a stripper plate; 5. a weighing assembly; 51. an electronic scale; 52. a weighing pan.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses cubic metre of earth backfill compactness detection device. Referring to fig. 1, the earthwork backfill compactness detection device comprises a bottom plate 1, a driving assembly 2, a soil sampler 3, a discharging assembly 4 and a weighing assembly 5.

Referring to fig. 1, a bottom plate 1 is a rectangular plate, a level 11 is fixedly connected to the bottom plate 1 through screws, a driving assembly 2 comprises two mounting plates 21, two-way screws 22, a sliding sleeve 23, two connecting rods 24, a fixing plate 25 and guide rods 26, positioning rods 211 are welded to the bottoms of the mounting plates 21, any one of the mounting plates 21 is rotatably connected with the bottom plate 1 through the connecting rod 211 connected with the mounting plate, and the axial direction of each positioning rod 211 is perpendicular to the plane of the bottom plate 1; offer the confession on the bottom plate 1 the gliding arc spout 12 of limiting plate, another mounting panel 21 is through locating lever 211 sliding connection who is connected with it in arc spout 12, and the one end welding of locating lever 211 sliding connection in arc spout 12 has stopper 2111, and threaded connection has jackscrew 2112 that is used for fixed locating lever 211 on the limiting plate, and jackscrew 2112 one end is passed the limiting plate and is supported tightly with the 12 diapire of arc spout.

Referring to fig. 1, one end of each of the bidirectional screws 22 is rotatably connected to one of the mounting plates 21 in a one-to-one correspondence manner, the rotation axis of each of the bidirectional screws 22 is parallel to the bottom plate 1, one end of each of the bidirectional screws 22 connected to the slidable mounting plate 21 extends to the outside of the mounting plate 21, and a hand wheel 221 is coaxially welded to one end of each of the bidirectional screws 22 extending to the outside of the mounting plate 21.

Referring to fig. 1, two sliding sleeves 23 are provided, one sliding sleeve 23 is in threaded connection with one end of the bidirectional screw 22 in a one-to-one correspondence manner, a hinge portion 231 is welded on the sliding sleeve 23, two connecting rods 24 are provided, and one end of one connecting rod 24 is in one-to-one correspondence manner and is hinged with the hinge portion 231 on one sliding sleeve 23 by adopting a shaft; two hinged seats 251 are welded on the fixed plate 25, and one end of one connecting rod 24, which is far away from the sliding sleeve 23, is in one-to-one correspondence with one hinged seat 251 and is hinged by a shaft.

Referring to fig. 1 and 2, one end of the guide rod 26 is welded to the bottom plate 1, the axial direction of the guide rod 26 is parallel to the axial direction of the positioning rod 211, a guide hole 252 is formed in the fixing plate 25, the guide rod 26 penetrates through the guide hole 252, the positioning plate is slidably connected with the guide rod 26 through the guide hole 252, and the guide rod 26 is provided with a scale 261 along the axial direction.

Referring to fig. 1 and 2, the soil sampler 3 is cylindrical, one end of the soil sampler 3 is welded to one side of the fixing plate 25 away from the hinge seat 251, and the bottom plate 1 is provided with a through hole 13 for the soil sampler 3 to pass through.

Referring to fig. 1 and 2, the discharging assembly 4 includes a discharging rod 41 and a discharging plate 42, the two-way screw 22 is coaxially sleeved and welded with a connecting sleeve 222 along the axial middle, one end of the discharging rod 41 is welded with the connecting sleeve 222, the axis of the discharging rod 41 coincides with the axis of the soil sampler 3, a avoiding hole 253 for the discharging rod 41 to pass through is formed in the fixing plate 25, the discharging plate 42 is circular, the discharging plate 42 is located inside the soil sampler 3, the diameter of the discharging plate 42 is equal to the diameter of the inner wall of the soil sampler 3, the discharging plate 42 can axially slide along the soil sampler 3, four accommodating holes 254 are formed in the side wall of the fixing plate 25 welded with the soil sampler 3, the four accommodating holes 254 are evenly distributed along the circumferential direction of the side wall of the soil sampler 3, a spring 2541 is arranged in the accommodating hole 254, one end of the spring 2541 is welded with the inner wall of the accommodating hole 254, and the other end is welded with the discharging plate 42.

Referring to fig. 2, when the spring 2541 is in a normal state, the top wall of the discharging plate 42 is abutted against the bottom of the fixing plate 25, and when discharging, the discharging rod 41 pushes the discharging plate 42 to slide along the inside of the soil sampler 3, so that the soil sample is pushed out; after the discharging is completed, the discharging rod 41 is withdrawn from the soil sampler 3, and the discharging plate 42 can be automatically reset to be abutted against the fixing plate 25 under the pulling force of the spring 2541.

Referring to fig. 1, the weighing assembly 5 includes an electronic scale 51 and a weighing pan 52, the electronic scale 51 is located on a side of the bottom plate 1 away from the through hole 13, the electronic scale 51 is fixedly connected with the bottom plate 1 by screws, and the weighing pan 52 is placed on the electronic scale 51.

The implementation principle of the earthwork backfill compactness detection device in the embodiment of the application is as follows: when the degree of compaction of the backfill is detected, the detection device is moved to the detection point, and then the level gauge 11 is observed so that the bottom plate 1 is kept horizontal. Then the hand wheel 221 is rotated, the hand wheel 221 drives the screw to rotate when rotating, the screw drives the sliding sleeve 23 to slide towards the side close to each other when rotating, the fixing plate 25 is driven to press down when the sliding sleeve 23 slides, the soil sampler 3 is driven to penetrate through the through hole 13 to be inserted into the backfill soil, and the scale 261 on the guide rod 26 is observed in the insertion process, so that the depth of the soil sampler 3 inserted into the backfill soil is accurately controlled.

After the soil sampler 3 is inserted to a specified depth, the hand wheel 221 is rotated reversely, so that the sliding sleeves 23 slide towards the direction away from each other, and the sliding sleeves 23 drive the fixing plate 25 to rise when sliding, so that the soil sampler 3 is driven to be pulled out from the backfill soil; after the fixed plate 25 rises to be separated from the guide rod 26, the hand wheel 221 stops rotating, then the jackscrew 2112 is unscrewed, the hand wheel 221 is shifted to drive the mounting plate 21 on one side to slide along the arc-shaped sliding groove 12, the mounting plate 21 drives the driving assembly 2 and the soil sampler 3 to slide when sliding, when the soil sampler 3 slides right above the weighing plate 52, the hand wheel 221 continues to rotate, the fixed plate 25 is driven to continuously rise when the hand wheel 221 rotates, so that the discharging rod 41 penetrates through the avoiding hole 253 to push the discharging plate 42 to slide along the inside of the soil sampler 3, then the soil sample is pushed out to the weighing plate 52, then an operator records the mass of the soil sample through the electronic scale 51, and then the backfill compactness is calculated.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an earthwork backfill compactness detection device which characterized in that: comprises a bottom plate (1), a driving component (2) and a soil sampler (3), wherein the driving component (2) comprises a mounting plate (21), a two-way screw (22), a sliding sleeve (23), a connecting rod (24) and a fixing plate (25), the mounting plate (21) is connected with the bottom plate (1), the bidirectional screw (22) is rotationally connected with the mounting plate (21), two sliding sleeves (23) are arranged, one sliding sleeve (23) is in threaded connection with one end of the bidirectional screw rod (22) in a one-to-one correspondence manner, two connecting rods (24) are arranged, one end of one connecting rod (24) is in one-to-one correspondence to one sliding sleeve (23) and is rotationally connected with the sliding sleeve, one end of the connecting rod (24) far away from the sliding sleeve (23) is rotatably connected with the fixing plate (25), the soil sampler (3) is fixedly connected with the fixing plate (25), and a through hole (13) for the soil sampler (3) to pass through is formed in the bottom plate (1).

2. The earth backfill compactness detection device according to claim 1, characterized in that: the driving assembly (2) further comprises a guide rod (26), one end of the guide rod (26) is fixedly connected with the base plate (1), a guide hole (252) for the guide rod (26) to penetrate is formed in the fixing plate (25), and the fixing plate (25) is connected with the guide rod (26) in a sliding mode through the guide hole (252).

3. The earth backfill compactness detection device according to claim 1, characterized in that: the portable electronic scale is characterized by further comprising a weighing assembly (5), the weighing assembly (5) is located on one side, far away from the through hole (13), of the bottom plate (1), the weighing assembly (5) comprises an electronic scale (51) and a weighing disc (52), the electronic scale (51) is fixedly connected with the bottom plate (1) through screws, and the weighing disc (52) is placed on the electronic scale (51).

4. The earth backfill compactness detection device according to claim 3, characterized in that: mounting panel (21) are equipped with two, mounting panel (21) bottom fixedly connected with locating lever (211), arbitrary mounting panel (21) pass through locating lever (211) with bottom plate (1) rotate the connection, another mounting panel (21) pass through locating lever (211) with bottom plate (1) sliding connection.

5. The earth backfill compactness detection device according to claim 1, characterized in that: still including unloading subassembly (4), the subassembly (4) of unloading includes stripper bar (41) and stripper (42), stripper bar (41) with screw rod fixed connection, seted up the confession on fixed plate (25) stripper bar (41) pass dodge hole (253), stripper (42) are located inside and with geotome (3) sliding connection of geotome (3).

6. The earth backfill compactness detection device according to claim 5, characterized in that: a plurality of accommodation holes (254) have been seted up in mounting panel (21), be equipped with spring (2541) in accommodation hole (254), spring (2541) one end with accommodation hole (254) inner wall fixed connection, the other end with stripper (42) fixed connection.

7. The earth backfill compactness detection device according to claim 1, characterized in that: the bottom plate (1) is provided with a level gauge (11).

8. The earth backfill compactness detection device according to claim 2, characterized in that: the guide rod (26) is provided with a scale (261).