CN220265136U - Lifting device for core is got in geotechnical engineering survey - Google Patents

Abstract

The utility model relates to the technical field of engineering survey, in particular to a lifting device for coring in geotechnical engineering survey. The utility model provides a lifting device for geotechnical engineering survey coring, which can be used for adaptively clamping geotechnical cores with different sizes and improving stability. The utility model provides a geotechnical engineering surveys coring and uses elevating gear, includes base, link frame, cylinder, lifting frame and stop gear etc. all rotate on the base and be connected with two link frames, and the rotation is connected with the lifting frame between the link frame top, and the base middle part upside is connected with the cylinder through the bolt, and the cylinder telescopic link is connected with lifting frame bottom, is equipped with stop gear on the lifting frame. According to the utility model, the screw rod starts to rotate by controlling the driving assembly to operate, so that the sliding frames drive the limiting plates to slide to the sides close to each other, and the rock-soil cores in the lifting frame are fixed and limited, so that the rock-soil cores are prevented from shaking and displacing in the lifting process of the lifting frame.

Description

Lifting device for core is got in geotechnical engineering survey

Technical Field

The utility model relates to the technical field of engineering survey, in particular to a lifting device for coring in geotechnical engineering survey.

Background

Geotechnical engineering survey coring is a common method for performing geotechnical analysis and soil mechanical property testing, and is mainly used for acquiring geotechnical samples for laboratory testing and analysis, and the samples obtained through coring can provide important information about physical properties, mechanical properties and structural characteristics of underground geotechnical layers, so that basis is provided for design and construction.

The prior device generally adopts equipment such as a rock core drill bit, a spiral sampler or a rock core pipe, and the like, the rock and soil sample is taken out, a coring tool is firstly inserted into the ground, the rock and soil sample is gradually taken out and stored in the sampler or the rock core pipe in a rotating and pressing mode, then the taken sample is placed on a lifting device, an operator on the ground can quickly take out the sample, but the prior lifting device is difficult to carry out adaptive limiting on the rock and soil core when carrying out lifting transportation on the rock and soil core, so that the rock and soil core is impacted due to shaking in the lifting process, and the rock and soil core is damaged, thereby affecting the subsequent detection treatment.

Therefore, the lifting device for geotechnical engineering survey coring, which can adaptively clamp geotechnical cores with different sizes and improve stability, is developed aiming at the problems.

Disclosure of Invention

In order to overcome the defect that the prior device is difficult to carry out adaptive limit on the rock-soil core, so that the rock-soil core is impacted due to shaking in the lifting process, and the rock-soil core is damaged to influence subsequent detection treatment, the utility model provides the lifting device for rock-soil engineering survey coring, which can carry out adaptive clamping on the rock-soil cores with different sizes and improve the stability.

The technical proposal is as follows: the utility model provides a geotechnical engineering surveys coring and uses elevating gear, including the base, the connecting rod rest, the cylinder, lifting frame and stop gear, all rotation type is connected with two connecting rod rest on the base, rotation type is connected with the lifting frame between the connecting rod rest top, the base middle part upside is connected with the cylinder through the bolted connection, the cylinder telescopic link is connected with lifting frame bottom, be equipped with stop gear on the lifting frame, stop gear is including drive assembly, the lead screw, carriage and limiting plate, the lifting frame front side is connected with drive assembly, drive assembly left and right sides all is connected with the lead screw, both parts all sliding type are connected with the carriage about the lifting frame, the carriage all is connected with adjacent lead screw threaded connection, the carriage inboard all is connected with the limiting plate.

Optionally, the lifting frame further comprises a protection mechanism, wherein the protection mechanism comprises a protection plate, a fixing seat, a rotating piece and a torsion spring, the protection plate is connected to four sides of the lifting frame in a rotating mode, two fixing seats which are symmetrically distributed are connected to four sides of the outer portion of the lifting frame, the rotating piece is connected between the adjacent fixing seats in a rotating mode, and the torsion spring is connected between the rotating piece and the adjacent fixing seats.

Optionally, the base is of an H-shaped structure.

Optionally, the drive assembly is including biax motor and mounting bracket, and lifting frame front side intermediate position has the mounting bracket through bolted connection, is connected with biax motor on the mounting bracket, and biax motor output shaft is controlling the orientation setting.

Optionally, the protection plates are provided with diversion trenches.

Optionally, handles convenient to operate and control are connected to the tops of the rotating pieces through bolts.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the driving assembly is controlled to operate so that the screw rod starts to rotate, so that the sliding frames drive the limiting plates to slide towards one sides close to each other, the rock-soil cores in the lifting frame are fixed and limited, the rock-soil cores are prevented from shaking and displacing in the lifting process of the lifting frame, the rock-soil cores are prevented from being damaged, and the stability of coring operation is improved.

2. According to the utility model, the rotation part is controlled to rotate and unlock to limit and lock the protection plate, so that the protection plate can be turned and stored inwards, the carrying is more convenient, and the carrying convenience is improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of a partial perspective structure of the present utility model.

Fig. 3 is a schematic perspective view of a limiting mechanism according to the present utility model.

Fig. 4 is a schematic perspective view of a protection mechanism according to the present utility model.

Reference numerals illustrate: 1: base, 2: connecting rod rest, 3: cylinder, 4: lifting frame, 5: limit mechanism, 51: drive assembly, 52: screw rod, 53: carriage, 54: limiting plate, 6: protection mechanism, 61: guard plate, 62: fixing base, 63: rotating member, 64: and (3) a torsion spring.

Detailed Description

Embodiments of the present utility model will be described below with reference to the drawings.

The utility model provides a geotechnical engineering surveys coring and uses elevating gear, as shown in fig. 1 and fig. 2, including base 1, link frame 2, cylinder 3, lifting frame 4 and stop gear 5, all rotate on base 1 and be connected with two link frames 2, base 1 is H type structure, can reduce area when improving stability, rotate between the link frame 2 tops and be connected with the lifting frame 4 that is used for placing the geotechnical core, there is cylinder 3 at 1 middle part upside of base through bolted connection, cylinder 3 telescopic link is connected with lifting frame 4 bottom, be equipped with on the lifting frame 4 and be used for carrying out spacing fixed stop gear 5 to the geotechnical core of equidimension not.

As shown in fig. 1 and 3, the limiting mechanism 5 comprises a driving component 51, a screw rod 52, a sliding frame 53 and a limiting plate 54, the driving component 51 is connected to the front side of the lifting frame 4, the driving component 51 comprises a double-shaft motor and a mounting frame, the middle position of the front side of the lifting frame 4 is connected with the mounting frame through bolts, the mounting frame is connected with the double-shaft motor, an output shaft of the double-shaft motor is arranged in a left-right direction, the screw rods 52 are connected to the left side and the right side of the driving component 51, the sliding frame 53 is connected with the sliding frame 53 in a left-right sliding mode, and the sliding frame 53 is connected with the adjacent screw rods 52 in a threaded mode, and the limiting plate 54 used for clamping and limiting a geotechnical core is connected to the inner side of the sliding frame 53.

It should be noted that, when carrying out geotechnical engineering and surveying coring, need place the lifting to the geotechnical core that takes out, thereby be convenient for operating personnel acquire fast, first, need place this device in the assigned position, after accomplishing geotechnical engineering and surveying coring, place the geotechnical core on lifting frame 4, afterwards start drive assembly 51, drive assembly 51 operation can drive lead screw 52 rotation, thereby make carriage 53 all drive limiting plate 54 to the one side slip that is close to each other, and then carry out the centre gripping spacing to the geotechnical core in the lifting frame 4, improve the stability of geotechnical core in the lift process, close drive assembly 51 after accomplishing spacing fixedly, and start cylinder 3, cylinder 3 telescopic link begins to extend the motion, extend along with cylinder 3 telescopic link, can drive lifting frame 4 upward motion lifting, thereby make link frame 2 all begin to extend, and then assist when lifting frame 4 carries out lifting motion, improve lifting frame 4 lifting in-process's stability, afterwards, the geotechnical core in lifting frame 4 is taken out by operating personnel of assigned position, can, through control drive assembly 51 operation, make carriage 52 start to rotate, thereby make carriage 53 to drive the rock core 54 to be close to each other, thereby avoid the stability of lifting frame 54 to rock core, thereby the lift is broken in the lift and the fixed in the lifting frame is moved, the side of the lift is avoided.

As shown in fig. 1 and 4, the lifting frame further comprises a protection mechanism 6, the protection mechanism 6 comprises a protection plate 61, a fixed seat 62, a rotating piece 63 and a torsion spring 64, the four sides inside the lifting frame 4 are all rotationally connected with the protection plate 61 for blocking and protecting a rock-soil core, guide grooves are formed in the protection plate 61, the four sides outside the lifting frame 4 are all connected with two fixed seats 62 which are symmetrically distributed mutually, rotating pieces 63 for limiting and locking the adjacent protection plates 61 are all rotationally connected between the adjacent fixed seats 62, handles which are convenient to operate and control are connected to the tops of the rotating pieces 63 through bolts, and torsion springs 64 are all connected between the rotating pieces 63 and the adjacent fixed seats 62.

It should be noted that, in order to avoid coring the lift in-process, rock and soil core in the lifting frame 4 receives foreign object striking damage, can shelter from the protection around lifting frame 4 through guard plate 61, after coring the completion, in order to be convenient for carry the device, can make the rotation piece 63 all rotate to the one side that keeps away from each other through pulling the handle and expand, thereby make torsional spring 64 all atress deformation, along with rotation piece 63 all rotate to the one side that keeps away from each other and expand, adjacent guard plate 61 no longer receives the locking spacing this moment, operating personnel can all promote guard plate 61 inwards, make guard plate 61 all accomodate in lifting frame 4, after guard plate 61 accomodates the completion, loosen rotation piece 63, under the effect of torsional spring 64, rotation piece 63 all can rotate to the one side that is close to each other and reset, in conclusion, through the spacing locking of control rotation piece 63 rotation unblock to guard plate 61, make guard plate 61 all can inwards overturn and accomodate, thereby make the transport more convenient, improve the convenience of transport.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a lifting device for core is surveyed to geotechnical engineering, including base (1), connecting rod rest (2), cylinder (3), lifting frame (4) and stop gear (5), all rotate on base (1) and be connected with two connecting rod rest (2), the rotation type is connected with lifting frame (4) between connecting rod rest (2) top, there is cylinder (3) in base (1) middle part upside through bolted connection, cylinder (3) telescopic link is connected with lifting frame (4) bottom, be equipped with stop gear (5) on lifting frame (4), a serial communication port, stop gear (5) are including drive assembly (51), lead screw (52), carriage (53) and limiting plate (54), lifting frame (4) front side is connected with drive assembly (51), drive assembly (51) left and right sides all is connected with lead screw (52), both sides all slidingtype are connected with carriage (53) about lifting frame (4), carriage (53) all with adjacent lead screw (52) threaded connection, carriage (53) inboard all is connected with limiting plate (54).

2. The lifting device for coring in geotechnical engineering survey according to claim 1, further comprising a protection mechanism (6), wherein the protection mechanism (6) comprises a protection plate (61), a fixed seat (62), a rotating member (63) and a torsion spring (64), the protection plate (61) is rotationally connected to four sides inside the lifting frame (4), two mutually symmetrically distributed fixed seats (62) are rotationally connected to four sides outside the lifting frame (4), the rotating member (63) is rotationally connected between every two adjacent fixed seats (62), and the torsion spring (64) is connected between each rotating member (63) and each adjacent fixed seat (62).

3. Lifting device for coring in geotechnical engineering survey according to claim 1, characterized in that the base (1) is of H-type structure.

4. Lifting device for coring in geotechnical engineering survey according to claim 1, characterized in that the driving assembly (51) comprises a double-shaft motor and a mounting frame, the middle position of the front side of the lifting frame (4) is connected with the mounting frame through bolts, the mounting frame is connected with the double-shaft motor, and the output shaft of the double-shaft motor is arranged in a left-right direction.

5. Lifting device for coring in geotechnical engineering survey according to claim 2, characterized in that the protection plates (61) are provided with diversion trenches.

6. A lifting device for coring in geotechnical engineering survey according to claim 2, wherein the tops of the rotating members (63) are each connected with a handle for easy operation and control by bolts.