CN218911566U

CN218911566U - Compactness survey excavating gear

Info

Publication number: CN218911566U
Application number: CN202223105549.6U
Authority: CN
Inventors: 张萌; 亢春峰; 时春艳
Original assignee: Xuzhou Dechuang Construction Engineering Co ltd
Current assignee: Xuzhou Dechuang Construction Engineering Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-04-25
Anticipated expiration: 2032-11-22

Abstract

The utility model discloses a compactness measuring and excavating device, which comprises a base, a positioning assembly, an excavating assembly and a lifting assembly, wherein the base is connected with a supporting leg, the center is provided with a center hole, the positioning assembly comprises a pair of positioning rings which are coaxially arranged below the center hole and are mutually coaxially and rotatably connected, a pair of positioning arms which are radially collinear and extend outwards are arranged on the periphery of the positioning rings, positioning columns are vertically arranged on the positioning arms, the excavating assembly comprises an excavating seat which is vertically and slidably connected with the base, a spiral shaft which is rotatably arranged on the excavating seat and is coaxial with the center hole, a cutting cylinder which is sleeved outside the spiral shaft, and a first motor which is used for driving the spiral shaft and the cutting cylinder to rotate, and the lifting assembly is arranged on the base and is used for driving the excavating seat to lift up and down, compared with the prior art, and the utility model has the advantages that: the device can be positioned and installed with a substrate for testing and realize automatic and efficient digging.

Description

Compactness survey excavating gear

Technical Field

The utility model relates to the technical field of excavating devices, in particular to a compactness measuring excavating device.

Background

The roadbed can be ensured only by fully compacting the roadbed and the pavement structure layer in the building construction and pavement construction processes. The strength, rigidity and flatness of the road surface, and can ensure and prolong the service life of roadbed and road surface engineering. And sampling the compactness by adopting a sand filling method and a cutting ring method, and obtaining the compactness by weight measurement and calculation. The sand filling method is more commonly used, and the measurement principle is that a test hole is firstly formed, then the volume of the test hole is replaced by uniform gravel, and finally compaction degree data is calculated through weight measurement. Therefore, the equipment needs components such as a sand filling cylinder, an electronic scale, a hairbrush, a quantitative tank, a chisel, a shovel, a base plate and the like to operate. Wherein the base plate is a circular or directional basin body, a through hole for controlling the size of the test hole is arranged in the center of the base plate, and an operator takes the through hole as a locating point when digging and installing the sand filling cylinder. Meanwhile, the base plate can also be used for placing the base layer dug by an operator, and the dug base layer needs to be completely collected.

In this regard, aiming at how to excavate labor force, the excavation efficiency is improved, the excavated pilot tunnel is ensured to be neat and flat, and a plurality of technical schemes are proposed at present. Such as, for example, patent publication nos.: CN217681558U patent name: the utility model provides a irritate quick excavating gear of sand compactness test pit, this patent provides a device of excavation test hole, can see this scheme and adopted helical blade's form to excavate soil, but this kind of device only can directly detain and use on the base plate, and the base plate is corrosion resistant plate, is difficult for and device and ground stable location, consequently can produce the skew, can only manual control excavate degree of depth simultaneously, and the basic unit of excavation department also is difficult for falling into on the base plate and collecting. Such as, for example, patent publication nos.: CN216041079U patent name: this patent proposes a excavating gear convenient to remove, has adopted automatic elevating system to control the excavation degree, but also has this to the location and the fixed problem of base plate, and the base plate is the important positioner of sand casting method survey, in carrying out manual excavation, the operator all need take care of the location of base plate constantly, and above-mentioned scheme obviously can not solve this problem. To this end, the inventors have proposed a device that facilitates positioning with a substrate to achieve efficient excavation to solve the above-described problems.

Disclosure of Invention

The utility model aims to overcome the technical defects and provide the compactness measuring and excavating device.

The design provides a compactness determination excavating device, which comprises a base station, a positioning assembly, an excavating assembly and a lifting assembly, wherein the base station is required to be erected on a substrate for use, the bottom of the base station is connected with a supporting leg, the center of the base station is provided with a center hole, the center hole is required to be matched with a through hole of the substrate, the positioning assembly is used for coaxially arranging the through hole of the substrate and the center hole, the positioning assembly comprises a pair of positioning rings which are coaxially arranged below the center hole and are mutually coaxially and rotatably connected, the periphery of the positioning rings is provided with a pair of positioning arms which are radially collinear and extend outwards, positioning columns are vertically arranged on the positioning arms, and the positioning columns can position corners of the square substrate or position the round substrate through the movement of the positioning rings; the digging assembly comprises a digging seat, a spiral shaft, a cutting cylinder, a first motor and a lifting assembly, wherein the digging seat is vertically connected with the base in a sliding mode, the spiral shaft is rotatably installed on the digging seat and is coaxial with the center hole, the cutting cylinder is sleeved outside the spiral shaft, the first motor is used for driving the spiral shaft and the cutting cylinder to rotate, and the lifting assembly is installed on the base and is used for driving the digging seat to lift up and down.

Further, the positioning arms are required to be connected through the adjusting assembly, so that the positioning arms on the pair of positioning rings are arranged in a scissor-shaped manner, adjusting assemblies for adjusting the relative distance between the positioning arms and the adjacent positioning arms on different positioning rings are arranged on the adjacent positioning arms, and each adjusting assembly comprises a pair of screw barrels respectively hinged to the two different positioning arms and a double-end stud for simultaneously screwing the two screw barrels.

Further, the screw shaft and the cutting cylinder rotate concentrically in a differential speed, so that soil breaking and soil digging can be better carried out, meanwhile, a smooth test hole is corrected, the first motor is vertically and downwards arranged on the digging seat as an output shaft, and is in transmission connection with a planetary gear transmission assembly and is in transmission connection with the screw shaft and the cutting cylinder through the planetary gear transmission assembly; the planetary gear transmission assembly comprises a sun gear coaxially arranged on the output shaft of the first motor, a plurality of planet gears which are pivoted and a gear ring which is pivoted, wherein the sun gear, the planet gears and the gear ring are sequentially meshed and connected, the sun gear is fixedly connected with the spiral shaft, and the gear ring is fixedly connected with the cutting cylinder.

Further, an exhaust port is arranged at the upper part of the cutting cylinder, and a cutting port with a through peripheral surface is arranged at the bottom end of the cutting cylinder.

Further, the concrete form of the lifting component is: the device comprises a plurality of guide rails fixedly and vertically arranged on a base, a screw rod vertically and pivotally arranged on the base, a mounting seat arranged at the top end of the guide rails, a second motor arranged on the mounting seat, a second motor connected with the screw rod in a transmission manner, and a linear bearing which is in sliding connection with the guide rails and a nut which is in threaded connection with the screw rod are arranged on the excavating seat.

By adopting the structure, compared with the prior art, the utility model has the following advantages: according to the utility model, the positioning component capable of rapidly positioning the substrate is arranged below the base, so that the digging component can accurately position the through hole in the center of the substrate, the digging component is provided with the rotatable cutting cylinder and the rotatable spiral shaft, and the cutting cylinder and the spiral shaft can jointly dig test holes with movable flat edges, and the dug base material can be completely collected, so that the working procedure of the most time and physical effort of digging soil can be simplified, and the measurement efficiency is improved.

Drawings

Fig. 1 is a perspective view of a compaction measuring excavation apparatus according to the present utility model.

Fig. 2 is a schematic front view of a compaction measuring excavation apparatus according to the present utility model.

Fig. 3 is a schematic front view of an excavating state of the compaction measuring excavating apparatus according to the present utility model.

Fig. 4 is a schematic view showing an internal structure of a compaction measuring excavation apparatus according to the present utility model.

Fig. 5 is a perspective view of a positioning assembly of a compactness determination excavating device of the present utility model.

FIG. 6 is a schematic top view of a positioning assembly of a compactibility measuring and excavating device of the present utility model.

FIG. 7 is a schematic view of a planetary gear assembly of a compactness determination excavating device of the present utility model.

As shown in the figure: 1. the device comprises a base station, 2, a positioning component, 3, a digging component, 4, a lifting component, 5, a supporting leg, 6, a central hole, 7, a positioning ring, 8, a positioning arm, 9, a positioning column, 10, a digging seat, 11, a screw shaft, 12, a cutting cylinder, 13, a first motor, 14, an adjusting component, 15, a screw cylinder, 16, a double-end stud, 17, a planetary gear transmission component, 18, a sun gear, 19, a planet wheel, 20, a gear ring, 21, a discharge port, 22, a cutting port, 23, a guide rail, 24, a screw rod, 25, a mounting seat, 26, a second motor, 27, a linear bearing, 28, a nut, 29, an upper ring body, 30, a lower ring body, 31 and an arc chute.

Detailed Description

The following are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model, which is further described with reference to the accompanying drawings and examples.

Example 1, see figures 1-7:

the embodiment provides a compactness measurement excavating device which is suitable for aggregate diameters larger than or equal to 13.2mm. But not greater than 31.5mm, and the thickness of the measurement layer does not exceed 200 mm. The device comprises a base 1, a positioning component 2, an excavating component 3 and a lifting component 4.

As can be seen from the drawings and the prior art, when the sand filling method is measured, a substrate as shown in the drawings is used for positioning, in the scheme, a standard square substrate is used, and the through hole in the center of the standard square substrate is the digging hole of the test hole and the placing hole of the sand filling cylinder.

The base 1 of this solution needs to be erected on a substrate for use, so it is a platform with a central hole 6 in the center, and four legs 5 are connected to the bottom of the platform. The central hole 6 needs to be arranged in a matching manner with the through hole of the substrate, thus providing the positioning assembly 2.

The positioning assembly 2 is used for coaxially arranging the substrate through hole and the central hole 6, and comprises a pair of positioning rings 7 coaxially arranged below the central hole 6 and mutually coaxially and rotatably connected. The positioning ring 7 is divided into an upper ring body 29 and a lower ring body 30 by combining with the attached drawing, the lower ring body 30 is fixedly connected with the base station 1 through a support, and an arc-shaped chute 31 matched with the support of the upper ring body 29 is arranged on the lower ring body 30 and can rotate. A pair of positioning arms 8 which are radially collinear and extend outwards are arranged on the periphery of each positioning ring 7, positioning columns 9 are vertically arranged on the positioning arms 8, and the positioning columns 9 can position corners of square substrates or position round substrates through movement of the positioning rings 7.

In this embodiment, the positioning arms 8 on the pair of positioning rings 7 are arranged in a scissor shape, the positioning posts 9 clamp the corners of the substrate for positioning, and the positioning arms 8 need to be connected and locked by the adjusting assembly 14. Specifically, the adjacent positioning arms 8 on the different positioning rings 7 are provided with adjusting assemblies 14 for adjusting the relative distance between the two positioning arms, and each adjusting assembly 14 comprises a pair of screw barrels 15 respectively hinged on the two different positioning arms 8 and a double-end stud 16 simultaneously screwed with the two screw barrels 15.

The excavation assembly 3 is required to excavate a pilot hole and to keep the wall of the hole smooth, so that the present embodiment employs a cutting drum 12 and a screw shaft 11 rotating at a differential speed for the excavation. Specifically, the excavating assembly 3 includes an excavating seat 10 vertically slidably coupled to the base 1, a screw shaft 11 rotatably installed on the excavating seat 10 and coaxial with the center hole 6, a cutting cylinder 12 sleeved outside the screw shaft 11, and a first motor 13 driving the screw shaft 11 and the cutting cylinder 12 to rotate. Four vertical circular rail type guide rails 23 are arranged on the base 1, and a linear bearing 27 is arranged on the excavating seat 10, so that the two guide rails are connected in a vertical sliding manner; the first motor 13 is a motor with a speed reducer, is fixedly arranged on the excavating seat 10, is in transmission connection with a planetary gear transmission assembly 17, and is in transmission connection with the screw shaft 11 and the cutting cylinder 12 through the planetary gear transmission assembly 17. The planetary gear transmission assembly 17 comprises a sun gear 18 coaxially arranged on the output shaft of the first motor 13, three planetary gears 19 which are pivoted and positioned (locked by a planet carrier) and a gear ring 20 which is pivoted, and the sun gear 18, the planetary gears 19 and the gear ring 20 are sequentially meshed. When the sun gear 18 rotates, the planetary gear 19 rotates at a fixed position, and the ring gear 20 rotates and outputs the rotation. The sun gear 18 is fixedly connected with the screw shaft 11 coaxially, and the gear ring 20 is fixedly connected with the cutting cylinder 12. Therefore, the screw shaft 11 and the cutting cylinder 12 rotate concentrically in a differential speed, the earth breaking and the earth digging can be better carried out, and meanwhile, a smooth pilot hole is corrected. The upper part of the cutting cylinder 12 is provided with a discharge port 21, and the bottom end of the cutting cylinder 12 is provided with a cutting port 22 with a through peripheral surface.

The elevating assembly 4 is installed on the base 1 and serves to drive the excavating seat 10 to be elevated up and down. The specific form of the lifting assembly 4 is as follows: the device comprises a plurality of guide rails 23 fixedly and vertically arranged on a base 1, a screw 24 vertically and pivotally arranged on the base 1, a mounting seat 25 arranged at the top end of the guide rails 23, a second motor 26 arranged on the mounting seat 25, wherein the second motor 26 is in transmission connection with the screw 24 and drives the screw 24 to rotate. The excavating seat 10 is provided with a linear bearing 27 for sliding connection with the guide rail 23 and a nut 28 for screwing with the screw 24. The lifting assembly 4 forms a lead screw nut 28 linear rail pair, and can accurately control descending or ascending travel.

When specifically using, this device adaptation base plate is installed and is used, in earlier stage location in-process, can confirm the concentric setting of screw axis 11 of base plate and excavation subassembly 3 through locating component 2, ensures like this that screw axis 11 can accurately dig out the pilot hole to in this in-process, the aggregate of excavation can stabilize the unloading around the base plate through-hole. After the excavation is thoroughly completed, the excavating device can be moved out, and the substrate is lifted up to collect the aggregate thereon.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. The utility model provides a compactness survey excavating gear, includes base (1), locating component (2), excavates subassembly (3) and lifting unit (4), its characterized in that: the base station (1) is connected and is equipped with landing leg (5), center hole (6) are offered at the center, locating component (2) include a pair of coaxial setting in center hole (6) below and coaxial swivelling joint's of each other holding ring (7), the week side of holding ring (7) is equipped with a pair of radial collineation and outwards extends positioning arm (8), be equipped with reference column (9) on positioning arm (8) perpendicularly, excavate excavation seat (10) that subassembly (3) include perpendicular sliding connection base station (1), rotatable install on excavation seat (10) and with coaxial screw axis (11) of center hole (6) and cover establish outside screw axis (11) cutting cylinder (12), drive screw axis (11) and cutting cylinder (12) rotatory first motor (13), lifting unit (4) install on base station (1) and are used for driving excavation seat (10) oscilaltion.

2. The compactness determination excavating device according to claim 1, wherein: the positioning arms (8) on the pair of positioning rings (7) are arranged in a scissor shape, and the adjacent positioning arms (8) on different positioning rings (7) are provided with adjusting assemblies (14) for adjusting the relative distance between the two positioning arms.

3. The compactness determination excavating device according to claim 2, wherein: the adjusting assembly (14) comprises a pair of screw barrels (15) respectively hinged on two different positioning arms (8) and a double-end stud (16) for simultaneously screwing the two screw barrels (15).

4. The compactness determination excavating device according to claim 1, wherein: the first motor (13) is vertically and downwards arranged on the excavating seat (10) in an output shaft mode, is in transmission connection with a planetary gear transmission assembly (17), and is in transmission connection with the screw shaft (11) and the cutting cylinder (12) through the planetary gear transmission assembly (17).

5. The compactness determination excavating device of claim 4, wherein: the planetary gear transmission assembly (17) comprises a sun gear (18), a plurality of planet gears (19) and a gear ring (20), wherein the sun gear (18), the planet gears (19) and the gear ring (20) are coaxially arranged on an output shaft of the first motor (13), and the sun gear (18), the planet gears (19) and the gear ring (20) are sequentially meshed and connected.

6. The compactness determination excavating device of claim 5, wherein: the sun gear (18) is fixedly connected with the screw shaft (11) coaxially, and the gear ring (20) is fixedly connected with the cutting cylinder (12).

7. The compactness determination excavating device of claim 6, wherein: an outlet (21) is provided at the upper part of the cutting cylinder (12).

8. The compactness determination excavating device of claim 7, wherein: the bottom end of the cutting cylinder (12) is provided with a cutting opening (22) with a through peripheral surface.

9. The compactness determination excavating device according to claim 1, wherein: the lifting assembly (4) comprises a plurality of guide rails (23) which are fixed and vertically arranged on the base station (1), a screw rod (24) which is vertically and pivotally arranged on the base station (1), a mounting seat (25) arranged at the top end of the guide rails (23), and a second motor (26) arranged on the mounting seat (25), wherein the second motor (26) is in transmission connection with the screw rod (24).

10. The compactness determination excavating device according to claim 9, wherein: the excavating seat (10) is provided with a linear bearing (27) which is used for being connected with the guide rail (23) in a sliding way and a nut (28) which is used for being connected with the screw rod (24) in a threaded way.