CN209368920U - A kind of sand replacement method detection fill subgrade compactness excavating device of testing pits - Google Patents

Abstract

The utility model discloses a kind of sand replacement methods to detect fill subgrade compactness excavating device of testing pits, including cylinder, support plate one is fixedly connected at the top of the cylinder, the inside of the cylinder is equipped with movable plate, the top of the support plate one is equipped with connecting plate, the hydraulic telescopic rod that quantity is two is equipped between the connecting plate and support plate one, the movable plate is fixedly connected far from the side of hydraulic telescopic rod with motor, the output end of the motor is connect with shaft, the outer surface fixing sleeve of the shaft is equipped with and opens hole knife, the hole knife of opening is fixedly connected far from one end of motor with piercing rod, the two sides of the cylinder outer wall are symmetrically welded support plate two, the bottom of the support plate two is fixedly connected with Telescopic-cylinder bar, the Telescopic-cylinder bar is fixedly connected with fixed plate far from one end of support plate two, several iron are fixedly connected with below the fixed plate Nail.The utility model has the advantages that the device can quickly and effectively carry out excavation operation of testing pits, more manually compare, flatness is higher, and efficiency is faster.

Description

A kind of sand replacement method detection fill subgrade compactness excavating device of testing pits

Technical field

The utility model relates to Subgrade Compaction technical fields, it particularly relates to which a kind of sand replacement method detects fill subgrade Compactness excavating device of testing pits.

Background technique

Subgrade Compaction is to reflect a kind of important quality index of compaction, it is directly related to the intensity on road surface and makes With the service life, sand replacement method is most common test method in Subgrade Compaction detection, because its numerical value accuracy and result can generation Table and be widely used in highway construction, Determining Degree of Extrusion by Impregnation Sand is by the normal sand of known apparent density come isometric Soil sample after the completion of displacement compacting, so that the practical dry density of roadbed soil sample is calculated, and the maximum obtained with laboratory test Dry density is compared to obtain compactness.

According to code requirement, the shape tested pits should be cylindrical body, and pit-hole should be vertical, and the depth tested pits should be equal to measurement layer Thickness, but in the actual process, generally use chisel, hammer, spoon etc. as trenching tool, not only large labor intensity, labour are endangered Dangerous coefficient is high, and the obtained shape tested pits often does not meet specification, and the inside flatness in hole is inadequate, influences test process In accuracy, so needing one kind that can effectively carry out excavating device of testing pits.

For the problems in the relevant technologies, currently no effective solution has been proposed.

Utility model content

The purpose of this utility model is to provide a kind of sand replacement methods to detect fill subgrade compactness excavating device of testing pits, with Solve the problems mentioned above in the background art.

To achieve the above object, the utility model provides the following technical solutions: a kind of sand replacement method detection fill subgrade compacting Spend excavating device of testing pits, including cylinder is fixedly connected with support plate one at the top of the cylinder, in the top of the support plate one Portion is fixedly connected with level meter, and the inside of the cylinder is equipped with movable plate, and the top of the support plate one is equipped with connecting plate, the company The hydraulic telescopic rod that quantity is two, one end of the hydraulic telescopic rod and the company are equipped between fishplate bar and the support plate one Fishplate bar is fixedly connected, and the other end of the hydraulic telescopic rod is fixedly connected through the support plate one and with the movable plate, institute It states movable plate to be fixedly connected far from the side of the hydraulic telescopic rod with motor, the output end of the motor is connect with shaft, institute The outer surface fixing sleeve for stating shaft, which is equipped with, opens hole knife, and the hole knife of opening is fixedly connected far from one end of the motor with piercing rod, The two sides of the motor are all provided with limited position mechanism, and the two sides of the cylinder outer wall are symmetrically welded support plate two, the support plate two Bottom be fixedly connected with Telescopic-cylinder bar, the Telescopic-cylinder bar is fixedly connected with fixed plate far from one end of the support plate two, Several iron nails are fixedly connected with below the fixed plate, the top of the support plate two is equipped with shield, the shield and institute It states and is equipped with clamping mechanism between support plate two, the inside of the shield is equipped with sponge, and the sponge is equipped with several through-holes one, The through-hole one matches with the iron nail, and bindiny mechanism is equipped between the shield and the fixed plate.

Further, the position-limit mechanism includes sliding block one, sliding block two and sliding slot, and the two sides of the movable plate are symmetrically fixed Connection sliding block one, the two sides of the motor are symmetrically welded sliding block two, and the inner wall two sides of the cylinder are symmetrically arranged with sliding slot, the cunning Block one matches with the sliding slot with the sliding block two.

Further, the clamping mechanism includes fixture block one and card slot one, and the top of the support plate two is equipped with quantity Two card slots one, the bottom end of the shield are fixed with the fixture block one that quantity is two, the fixture block one and the card slot One matches.

Further, the bindiny mechanism includes through-hole two, spring, fixture block two and card slot two, the inner wall of the shield Top symmetrically offers the through-hole two that quantity is two, is fixedly connected with several springs in the through-hole two, the spring is far from institute The one end for stating through-hole two is fixedly connected with fixture block two, and the top two sides of the fixed plate symmetrically offer card slot two, the fixture block Two match with the card slot two.

Further, the hole knife of opening close to one end of the piercing rod is fixedly connected with several sawtooth.

Further, the connecting plate is fixedly connected with the handle that quantity is two far from the side of the hydraulic telescopic rod.

Compared with prior art, the utility model has the following beneficial effects:

(1), the device can quickly and effectively carry out excavation operation of testing pits, and more manually compare, flatness is higher, and efficiency is more Fastly, it can be improved the accuracy of test, while manpower can be saved by the device, reduce artificial labor intensity.

(2), position-limit mechanism plays the role of limit, during carrying out out hole, avoids because being led to position by resistance It shifts, guarantees the verticality of crater wall.

(3), shield and support plate two can be connected and fixed by clamping mechanism, do not need using when can put In the top of support plate two.

(4), shield can be connect by bindiny mechanism with fixed plate, pass through connection when not needing using the device Shielding cover is located at the outer surface of iron nail by mechanism, avoids accidentally injuring to related personnel.

(5), sawtooth assists to open hole knife and test pits the operation of excavation.

(6), handle facilitates related personnel to pick and place the device.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other attached drawings.

Fig. 1 is to detect fill subgrade compactness excavating device of testing pits according to a kind of sand replacement method of the utility model embodiment Structural schematic diagram；

Fig. 2 is to detect fill subgrade compactness excavating device of testing pits according to a kind of sand replacement method of the utility model embodiment The schematic diagram of internal structure of middle cylinder；

Fig. 3 is to detect fill subgrade compactness excavating device of testing pits according to a kind of sand replacement method of the utility model embodiment The structural schematic diagram of middle iron nail；

Fig. 4 is to detect fill subgrade compactness excavating device of testing pits according to a kind of sand replacement method of the utility model embodiment The schematic diagram of internal structure of middle shield；

Fig. 5 is the enlarged drawing in Fig. 4 at A.

Appended drawing reference:

1, cylinder；2, support plate one；3, level meter；4, movable plate；5, connecting plate；6, hydraulic telescopic rod；7, motor；8, turn Axis；9, hole knife is opened；10, piercing rod；11, support plate two；12, Telescopic-cylinder bar；13, fixed plate；14, iron nail；15, shield； 16, sponge；17, through-hole one；18, sliding block one；19, sliding block two；20, sliding slot；21, fixture block one；22, card slot one；23, through-hole two； 24, spring；25, fixture block two；26, card slot two；27, sawtooth；28, handle.

Specific embodiment

In the following, making further description to utility model in conjunction with attached drawing and specific embodiment:

Fig. 1-5 is please referred to, fill subgrade compactness is detected with testing pits according to a kind of sand replacement method of the utility model embodiment Excavating device, including cylinder 1, the top of the cylinder 1 are fixedly connected with support plate 1, and the top middle portion of the support plate 1 is solid Surely level meter 3 is connected, the inside of the cylinder 1 is equipped with movable plate 4, and the top of the support plate 1 is equipped with connecting plate 5, described It is two hydraulic telescopic rods 6 that quantity is equipped between connecting plate 5 and the support plate 1, one end of the hydraulic telescopic rod 6 with The connecting plate 5 is fixedly connected, and the other end of the hydraulic telescopic rod 6 is through the support plate 1 and solid with the movable plate 4 Fixed connection, the movable plate 4 are fixedly connected far from the side of the hydraulic telescopic rod 6 with motor 7, the output end of the motor 7 It is connect with shaft 8, the outer surface fixing sleeve of the shaft 8, which is equipped with, opens hole knife 9, described to open the hole one end of knife 9 far from the motor 7 It is fixedly connected with piercing rod 10, the two sides of the motor 7 are all provided with limited position mechanism, and the two sides of 1 outer wall of cylinder are symmetrically welded Support plate 2 11, the bottom of the support plate 2 11 are fixedly connected with Telescopic-cylinder bar 12, and the Telescopic-cylinder bar 12 is far from described One end of support plate 2 11 is fixedly connected with fixed plate 13, and the lower section of the fixed plate 13 is fixedly connected with several iron nails 14, the branch The top of fagging 2 11 is equipped with shield 15, and clamping mechanism is equipped between the shield 15 and the support plate 2 11, described The inside of shield 15 is equipped with sponge 16, and the sponge 16 is equipped with several through-holes 1, the through-hole 1 and the iron nail 14 match, and bindiny mechanism is equipped between the shield 15 and the fixed plate 13.

By the above scheme of the utility model, can by the way that a cylinder 1 is arranged, when need to test pits excavate when, The roadbed position for needing to test first is determined, level meter 3 determines angle, guarantees the up rightness of device, then make Telescopic-cylinder Bar 12 stretches, and fixed plate 13 is driven to move down, and is embedded in the iron nail 14 in fixed plate 13 in soil, device is fixed, Subsequent start-up motor 7, motor 7 are opened hole knife 9 by the drive of shaft 8 and are rotated, and the stretching, extension of hydraulic telescopic rod 6 keeps movable plate 4 downward Mobile, the motor 7 on movable plate 4 is moved together with movable plate 4, moves down hole knife 9, and piercing rod 10 first enters in roadbed, Carry out out hole convenient for opening hole knife 9, then open hole knife 9 and enter in roadbed and carry out excavations of testing pits, the sliding block 1 on movable plate 4 with it is electric Sliding block 2 19 on machine 7 plays the role of limit, prevents motor 7 from swinging in cylinder 1, when after the completion, by shield 15 It covers in the outer surface of iron nail 14, spring 24 is compressed at the beginning, and fixture block 2 25 is located in through-hole 2 23, when being moved to card slot 2 26 Position when, spring 24 elastic force effect under, fixture block 2 25 sticks into card slot 2 26, avoids shield 15 from falling off, avoids him People is accidentally injured because of iron nail 14.

In specific application, for position-limit mechanism, the position-limit mechanism includes sliding block 1, sliding block 2 19 and sliding slot 20, the two sides of the movable plate 4 are symmetrically fixedly connected with sliding block 1, and the two sides of the motor 7 are symmetrically welded sliding block 2 19, described The inner wall two sides of cylinder 1 are symmetrically arranged with sliding slot 20, and the sliding block 1 matches with the sliding slot 20 with the sliding block 2 19, Position-limit mechanism plays the role of limit, during carrying out out hole, avoids guaranteeing because being caused position to shift by resistance The verticality of crater wall；For clamping mechanism, the clamping mechanism includes fixture block 1 and card slot 1, the support plate two 11 top is equipped with the card slot 1 that quantity is two, and the bottom end of the shield 15 is fixed with the fixture block one that quantity is two 21, the fixture block 1 matches with the card slot 1, and shield 15 can connect solid by clamping mechanism with support plate 2 11 It is fixed, do not need using when can be seated in the top of support plate 2 11；For bindiny mechanism, the bindiny mechanism Including through-hole 2 23, spring 24, fixture block 2 25 and card slot 2 26, the inner wall top of the shield 15 symmetrically offers quantity and is Two through-holes 2 23 are fixedly connected with several springs 24 in the through-hole 2 23, and the spring 24 is far from the through-hole 2 23 One end is fixedly connected with fixture block 2 25, and the top two sides of the fixed plate 13 symmetrically offer card slot 2 26, the fixture block 2 25 Match with the card slot 2 26, shield 15 can be connect by bindiny mechanism with fixed plate 13, when not needing to use the device When shield 15 is set in the outer surface of iron nail 14 by bindiny mechanism, avoid accidentally injuring to related personnel；For opening hole For knife 9, described to open hole knife 9 and be fixedly connected with several sawtooth 27 close to one end of the piercing rod 10, hole knife 9 is opened in the assistance of sawtooth 27 Test pits the operation of excavation；For connecting plate 5, side of the connecting plate 5 far from the hydraulic telescopic rod 6 is fixed to be connected The handle 28 that quantity is two is connect, handle 28 facilitates related personnel to pick and place the device.

In conclusion by means of the above-mentioned technical proposal of the utility model, by the way that a cylinder 1 is arranged, when needs are tested pits When excavation, the roadbed position for needing to test first is determined, level meter 3 determines angle, guarantees the up rightness of device, then Telescopic-cylinder bar 12 is stretched, fixed plate 13 is driven to move down, is embedded in the iron nail 14 in fixed plate 13 in soil, to device It is fixed, subsequent start-up motor 7, motor 7 is opened hole knife 9 by the drive of shaft 8 and rotated, and the stretching, extension of hydraulic telescopic rod 6 makes to move Movable plate 4 moves down, and the motor 7 on movable plate 4 is moved together with movable plate 4, moves down hole knife 9, and piercing rod 10 is first Enter in roadbed, carry out out hole convenient for opening hole knife 9, then opens in the entrance roadbed of knife 9 of hole and carry out excavation of testing pits, the cunning on movable plate 4 Sliding block 2 19 on block 1 and motor 7 plays the role of limit, prevents motor 7 from swinging in cylinder 1, when after the completion, By 15 sets of the shield outer surfaces in iron nail 14, spring 24 is compressed at the beginning, and fixture block 2 25 is located in through-hole 2 23, works as movement When to the position of card slot 2 26, fixture block 2 25, which sticks into card slot 2 26, under the elastic force effect of spring 24 avoids shield 15 from falling off Avoid other people from being accidentally injured because of iron nail 14, position-limit mechanism plays the role of limit, during carrying out out hole, avoid because by Resistance causes position to shift, and guarantees the verticality of crater wall, and shield 15 can be connect by clamping mechanism with support plate 2 11 It is fixed, do not need using when can be seated in the top of support plate 2 11, bindiny mechanism can be by shield 15 and solid Fixed board 13 connects, and shield 15 is set in when not needing using the device by bindiny mechanism the appearance of iron nail 14 Face avoids accidentally injuring to related personnel, and sawtooth 27 assists to open hole knife 9 and test pits the operation of excavation, and handle 28 facilitates related personnel The device is picked and placed, which can quickly and effectively carry out excavation operation of testing pits, and more manually compare, flatness is higher, and efficiency is more Fastly, it can be improved the accuracy of test, while manpower can be saved by the device, reduce artificial labor intensity.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of sand replacement method detects fill subgrade compactness excavating device of testing pits, which is characterized in that described including cylinder (1) Support plate one (2) is fixedly connected at the top of cylinder (1), the top middle portion of the support plate one (2) is fixedly connected with level meter (3), The inside of the cylinder (1) is equipped with movable plate (4), and the top of the support plate one (2) is equipped with connecting plate (5), the connecting plate (5) hydraulic telescopic rod (6) that quantity is two, one end of the hydraulic telescopic rod (6) are equipped between the support plate one (2) Be fixedly connected with the connecting plate (5), the other end of the hydraulic telescopic rod (6) through the support plate one (2) and with it is described Movable plate (4) is fixedly connected, and the movable plate (4) is fixedly connected far from the side of the hydraulic telescopic rod (6) with motor (7), The output end of the motor (7) is connect with shaft (8), and the outer surface fixing sleeve of the shaft (8), which is equipped with, opens hole knife (9), described It opens hole knife (9) to be fixedly connected far from the one end of the motor (7) with piercing rod (10), the two sides of the motor (7) are all provided with limited Position mechanism, the two sides of cylinder (1) outer wall are symmetrically welded support plate two (11), and the bottom of the support plate two (11) is fixed to be connected It connects Telescopic-cylinder bar (12), the Telescopic-cylinder bar (12) is fixedly connected with fixed plate far from one end of the support plate two (11) (13), it is fixedly connected several iron nails (14) below the fixed plate (13), the top of the support plate two (11) is equipped with protection It covers (15), clamping mechanism, the inside of the shield (15) is equipped between the shield (15) and the support plate two (11) Equipped with sponge (16), the sponge (16) is equipped with several through-holes one (17), the through-hole one (17) and the iron nail (14) phase Matching is equipped with bindiny mechanism between the shield (15) and the fixed plate (13).

2. a kind of sand replacement method according to claim 1 detects fill subgrade compactness excavating device of testing pits, feature exists In the position-limit mechanism includes that sliding block one (18), sliding block two (19) and sliding slot (20), the two sides of the movable plate (4) are symmetrically solid Determine connection sliding block one (18), the two sides of the motor (7) are symmetrically welded sliding block two (19), the inner wall two sides pair of the cylinder (1) Claim to be equipped with sliding slot (20), the sliding block one (18) matches with the sliding slot (20) with the sliding block two (19).

3. a kind of sand replacement method according to claim 1 detects fill subgrade compactness excavating device of testing pits, feature exists In the clamping mechanism includes fixture block one (21) and card slot one (22), and it is two that the top of the support plate two (11), which is equipped with quantity, A card slot one (22), the bottom end of the shield (15) are fixed with the fixture block one (21) that quantity is two, the fixture block one (21) match with the card slot one (22).

4. a kind of sand replacement method according to claim 1 detects fill subgrade compactness excavating device of testing pits, feature exists In the bindiny mechanism includes through-hole two (23), spring (24), fixture block two (25) and card slot two (26), the shield (15) Symmetrically to offer quantity be two through-holes two (23) on inner wall top, is fixedly connected with several springs in the through-hole two (23) (24), the spring (24) is fixedly connected far from one end of the through-hole two (23) with fixture block two (25), the fixed plate (13) Top two sides symmetrically offer card slot two (26), the fixture block two (25) matches with the card slot two (26).

5. a kind of sand replacement method according to claim 1 detects fill subgrade compactness excavating device of testing pits, feature exists In described one end for opening hole knife (9) close the piercing rod (10) is fixedly connected with several sawtooth (27).

6. a kind of sand replacement method according to claim 1 detects fill subgrade compactness excavating device of testing pits, feature exists In the connecting plate (5) is fixedly connected with the handle (28) that quantity is two far from the side of the hydraulic telescopic rod (6).