CN217267418U

CN217267418U - Connect pole stake machine

Info

Publication number: CN217267418U
Application number: CN202220288498.6U
Authority: CN
Inventors: 王勤伟
Original assignee: Shandong Zhuoli Pile Machine Co ltd
Current assignee: Shandong Zhuoli Pile Machine Co ltd
Priority date: 2022-02-14
Filing date: 2022-02-14
Publication date: 2022-08-23
Anticipated expiration: 2032-02-14

Abstract

The utility model provides an it puts into pole machine, it has solved current stake machine unit head under the pressure intensity not enough, and receives the technical problem of the high influence of place limit, and it is main including removing frame, support frame, unit head elevating system. The power head lifting mechanism drives the power head to lift through the chain. The front side of the movable frame is provided with a connecting rod device which comprises a horizontal moving mechanism and a turnover mechanism. The utility model drives the power head to lift through the closed-loop transmission chain, which not only has better stability and the chain pitches are the same, but also can accurately determine the stroke, and ensure that the screw thread pile can not have disorder lines due to inconsistent lifting speed; meanwhile, the down force beyond the self weight of the power head can be provided; the automatic extension rod operation is realized by combining the horizontal moving mechanism and the turnover mechanism, the overall efficiency is improved, and the automatic extension rod device can be widely applied to the technical field of civil engineering.

Description

Connect pole stake machine

Technical Field

The utility model relates to an engineering machine tool technical field, in particular to connect pole stake machine.

Background

With the continuous development of domestic high-speed railways, subways and the like, the construction of the high-speed railways on the original high-speed railway compound line is gradually realized, but the height of construction equipment cannot exceed the safety height of a high-voltage line because the high-voltage line is arranged at the upper end of the compound line; similarly, when the construction is carried out in the original subway and factory buildings, the construction equipment cannot be overhigh due to the influence of the height. The depth of the pile designed at present cannot be reduced by limiting the height of construction equipment, so that the pile machine equipment is required to have the new characteristics of low equipment height and deep pile forming depth.

Connect the pole machine at present to satisfy above-mentioned reality demand, but the ubiquitous unit head only leans on the dynamics of pushing down that the dead weight provided not enough, and unit head sliding stability is relatively poor, and connects pole device efficiency not high, needs manual operation in a large number, influences the problem of whole efficiency of construction.

Chinese patent CN214273491U discloses a bore integrative high stake machine that spouts that can be used to boulder stratum construction, the on-line screen storage device comprises a base, the pylon, the carousel, drilling rod etc, install the second motor on the base, the output shaft of second motor passes through the double chain of second and is connected with the fourth sprocket, the double chain pivot runs through a pair of third sprocket and fourth sprocket setting in proper order and rotates with the frame to be connected, first double chain is closed structure, first double chain is through first sprocket, second sprocket and third sprocket are installed, first sprocket and third sprocket rotate through double chain pivot and frame respectively and are connected, the second sprocket rotates through double chain pivot and fixed cross beam to be connected, fixed cross beam fixed mounting is at the frame top. According to the technical scheme, a power head lifting scheme of chain transmission is adopted, the power head is connected in series in a closed-loop chain, the power head can be pressed down, the transmission chain is divided into two parts, the chain close to the motor needs to be adjusted in the process of retracting and releasing the support frame due to the size relation, the whole transmission structure is complex, and the technical scheme is not provided with a connecting rod device and does not complete connecting rod operation, so that the power head is still limited by the height limit of a field.

In combination with the above problems, it can be found that chinese patent CN203742492U discloses a rod connecting device for a drill rod of a long screw pile machine, comprising a drill rod bracket which is used for placing drill rod segments to be connected and can swing left and right, wherein the connected drill rod segments on the drill rod bracket are arranged in parallel with the drill rod of the long screw pile machine; the drill rod of the long screw pile machine comprises an assembled drill rod formed by splicing a plurality of drill rod sections, the drill rod sections are arranged on the same straight line, and the upper and lower adjacent drill rod sections are fixedly connected into a whole through connecting pieces; the plurality of drill rod segments comprise core rods and spiral blades arranged on the outer side walls of the core rods from top to bottom; the bracket comprises a lower bracket and an upper bracket positioned above the lower bracket, the inner ends of the upper bracket and the lower bracket are both installed on a pile frame of the long screw pile machine in a hinged mode, and the upper bracket and the lower bracket are both positioned on the same side of the assembled drill rod. Above-mentioned technical scheme provides an and connects pole device design, but combines concrete embodiment to see out, the device though simple structure, but the single that only can deal with connects the pole operation, in case need connect the condition that the pole is a lot of, still need a large amount of manual works to participate in, for example work such as dismouting drilling rod on the tray section of thick bamboo, degree of automation is not high.

In summary, the existing rod pile machine or other similar field open designs can not well meet the requirements of the above scenes, so further improvement is still needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough of above-mentioned technique, provide a connect pole stake machine suitable for construction in limit for height place.

Therefore, the utility model provides a rod pile connecting machine, which comprises a movable frame, a support frame, a power head and a power head lifting mechanism; a slide rail is arranged on the support frame, and the power head is in sliding fit with the slide rail;

the power head is connected in series to a closed-loop chain, and the power head lifting mechanism drives the power head to lift through the chain;

a connecting rod device is arranged on the front side of the movable frame and comprises a horizontal moving mechanism and a turnover mechanism; the horizontal moving mechanism is arranged on the lateral side of the supporting frame, and the turnover mechanism is arranged on the lower side of the supporting frame.

Preferably, the power head lifting mechanism comprises a motor, a brake and a speed reducer; the output end of the motor is connected with the input end of the speed reducer; the brake is further mounted at the output end of the motor.

Preferably, the speed reducer is a double-head speed reducer and is provided with two coaxial output shafts; each output shaft is provided with a driving chain wheel; the two groups of chains are respectively bridged on the two driving chain wheels.

Preferably, two groups of lifting lugs are symmetrically arranged on two sides of the power head, and each group of lifting lugs comprises an upper lifting lug and a lower lifting lug; the upper lifting lug is arranged on the upper surface of the power head, the lower lifting lug is arranged on the lower surface of the power head, and the upper lifting lug and the lower lifting lug are in the same position in the horizontal direction; the lifting lugs are connected with the tail ends of the corresponding chains.

Preferably, the power head lifting mechanism is mounted on the moving frame, and a plurality of driven sprockets are arranged on a transmission path between the power head lifting mechanism and the power head and used for changing the direction of the transmission path.

Preferably, the power head is of a double-motor driving structure, and the reduction gearbox is a double-input hard tooth surface planetary reducer; four corners of the power head are respectively provided with a sliding block structure; the number of the slide rails is two, and each group of the slide rails is a double-U-shaped slide rail which is oppositely arranged; the sliding blocks are embedded into the corresponding U-shaped slide ways to form sliding fit.

Preferably, the horizontal moving mechanism is a swing arm crane; the lower side of the swing arm crane is provided with a drill rod placing area, and drill rods to be installed are placed in parallel.

Preferably, the turnover mechanism comprises a turnover table, a hydraulic rod and a clamp; the front end of the overturning platform is hinged with the movable frame; the hydraulic rod is arranged between the back surface of the overturning platform and the movable frame; the fixture is arranged on the upper surface of the overturning platform and used for clamping a drill rod.

The utility model provides a connect pole machine has following beneficial effect:

(1) the power head is driven to lift through the closed-loop transmission chain, so that the stability is better, the chain pitches are the same, the stroke can be accurately determined, and the threaded pile of the screw rod cannot be disordered due to inconsistent lifting speed; meanwhile, the down force beyond the self weight of the power head can be provided.

(2) The automatic extension rod operation is realized through the horizontal moving mechanism and the turnover mechanism, and the overall efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;

FIG. 2 is a side view of a transmission structure according to an embodiment of the present invention;

FIG. 3 is a top view of a transmission structure according to an embodiment of the present invention;

fig. 4 is a front view of the power head according to the embodiment of the present invention;

fig. 5 is a top view of the horizontal moving mechanism according to the embodiment of the present invention;

FIG. 6 is a side view of the turnover mechanism in an embodiment of the present invention;

the labels in the figure are: 1. the hydraulic lifting device comprises a motor, 2, a brake, 3, a speed reducer, 4, a first reversing chain wheel, 5, a second reversing chain wheel, 6, a power head, 7, a chain, 8, a swing arm crane, 9, a turnover table, 10, a hydraulic rod, 11, a clamp, 12, a drill rod, 601, an upper lifting lug, 602, a lower lifting lug, 701, a first chain and 702, a second chain.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special provision is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

As shown in fig. 1, in the present embodiment, the moving frame of the pile machine adopts a structure that a main platform is combined with a crawler-type chassis, a plurality of support legs are laterally arranged on the platform for stable support, and a control room is further provided on the platform.

The front end (working end) of the platform is provided with a vertically mounted or hinged support frame, which can be specifically selected as a column or truss structure, and the embodiment is not limited. The front side of the support frame is provided with a slide rail structure and is in sliding fit with the power head, so that the power head can move along the slide rail in the vertical direction.

As shown in fig. 2, the power head 6 is connected in series to a closed-loop chain 7, and the power head lifting mechanism drives the power head to lift through the chain 7; preferably, the power head lifting mechanism comprises a motor 1, a brake 2 and a speed reducer 3. The output end of the motor 1 is coaxially connected with the input end of the speed reducer 3, and the brake 2 is mounted at the output end of the motor 1, and particularly, a disc brake can be selected. Further, in order to ensure that the power head 6 is lifted stably and the lateral stress of the slide rail is uniform, as shown in fig. 3, a double-chain transmission is selected, which includes a first chain 701 and a second chain 702; correspondingly, the speed reducer 3 is selected to be a double-head speed reducer, namely, the double-head speed reducer is provided with an input shaft, two output shafts are symmetrically and coaxially arranged on two sides of the double-head speed reducer, the rotation directions and the rotation speeds of the two output shafts are kept to be consistent, each output shaft is provided with a driving chain wheel, and a first chain and a second chain are respectively bridged on the two driving chain wheels, so that the force can be uniformly applied to two sides of the power head 6. And the chain is used for lifting and descending, the chain pitches are the same, the stroke can be accurately determined, and the threaded piles of the screw rods cannot be disordered due to inconsistent lifting speed.

In the embodiment, it is considered that the installation of the power head lifting mechanism at the bottom of the support frame causes the weight to be concentrated at the front end of the moving frame, which is not beneficial to the stability of the whole machine, so that the power head lifting mechanism is installed at the position near the rear of the moving frame, and therefore, as shown in fig. 2, a plurality of driven sprockets are arranged on a transmission line between the power head lifting mechanism and the power head 6 and used for changing the direction of a transmission path, and the specific scheme is that a cross beam is installed at the top of the support frame, two driven sprockets are respectively installed on two sides of the cross beam in parallel, and a chain is bridged on the driven sprockets and is downwards connected with the power head 6; a first reversing chain wheel 4 and a second reversing chain wheel 5 are respectively arranged at the lower part of the support frame, the two reversing chain wheels are of a double-row structure, and two ends of each reversing chain wheel are respectively lapped with a first chain 701 and a second chain 702. Thus, the first and second

diverting sprockets

4 and 5 adjust the nearly horizontal drive chain to the vertical drive.

Correspondingly, as shown in fig. 4, in order to make the power head 6 be more symmetrical in tension, two sets of lifting lugs are symmetrically arranged on both sides of the power head, and each set of lifting lug includes an upper lifting lug 601 and a lower lifting lug 602. The upper lifting lug 601 is arranged on the upper surface of the side end of the power head 6 main body (speed reducer), the lower lifting lug 602 is arranged on the lower surface of the side end of the power head 6 main body (speed reducer), and the projection positions of the upper lifting lug 601 and the lower lifting lug 602 on the horizontal plane are kept the same, so that eccentric torque can be avoided. The upper lifting lug 601 is connected with a chain wound from the top of the support frame, and the lower lifting lug 602 is connected with a chain wound from the second reversing chain wheel 5, so that the whole body forms a closed-loop chain drive. Thus, the speed reducer rotates forwards, and the power head ascends through the chain; the speed reducer rotates reversely, and the power head descends. The labor intensity of workers is also reduced, and two actions of lifting and descending are operated.

In the preferred embodiment, the power head 6 is a double-motor driving structure, the reduction gearbox adopts a double-planet hard tooth surface large-torque speed reducer, is provided with two input ends, and is combined with double-motor driving, so that the whole body has the advantages of small volume, large output torque, wide speed regulation range and the like. Four corners of the power head 6 are respectively provided with a slide block structure (not shown in the figure) or ribs of the corners of the speed reducer. The slide rails are two groups and are respectively arranged on two sides of the supporting frame. Each group of slide rails is a double-U-shaped slide rail arranged in an opposite mode, namely two U-shaped slide grooves arranged in an opposite mode, each slide block or convex edge of the power head 6 is embedded into the slide groove in the corresponding position to form four groups of slide rails in sliding fit, and the power head has the advantages of small gap, no eccentricity and the like.

The front side of the movable frame is provided with a connecting rod device which comprises a horizontal moving mechanism and a turnover mechanism. The horizontal moving mechanism is arranged on the lateral side of the supporting frame, and the turnover mechanism is arranged on the lower side of the supporting frame.

Preferably, as shown in fig. 5, the horizontal moving mechanism is a swing arm crane 8, a drill rod placing area is arranged on the lower side of the swing arm crane 8, a drill rod to be installed is placed in the area in parallel in a dotted line frame on the left side in the drawing, and a turnover mechanism is arranged on a dotted line frame on the right side, wherein the turnover mechanism comprises a turnover table 9, a hydraulic rod 10 and a clamp 11 as shown in fig. 6. The front end (lower part in the figure) of the specific overturning platform 9 is hinged with the movable frame. A hydraulic rod 10 is arranged between the back of the overturning platform 9 and the movable frame. The clamp 11 is mounted on the upper surface of the turning table 9 and is used for clamping the drill rod 12, and the specific clamp 11 may be any one of a customized tool, a collet chuck, a clamping jaw, and the like, which is not limited in this embodiment. The working process of the extension rod device is as follows: when the rod is connected, the overturning platform 9 is in a horizontal state, a swing arm crane 8 is used for hoisting a drill rod to the overturning platform 9 from a drill rod placing area on the side face of the pile frame, a clamp 11 is used for locking the drill rod 12, a hydraulic rod 10 is used for jacking the overturning platform 9, when the vertical state is designed, the central axis of the drill rod 12 is superposed with the original central axis of the drill rod, then the power head 6 descends to install an upper joint, after the joints are aligned, a joint pin shaft is inserted, the clamp 11 is loosened, the hydraulic rod 10 retracts to enable the overturning platform 9 to return to the horizontal state again, then the power head 6 drives the drill rod 12 to descend to be aligned with a lower end joint, and the joint pin shaft is inserted; when the drill rod is disassembled, the joint pin shaft at the lower end is disassembled firstly, the power head 6 ascends to separate joints, the overturning platform 9 is erected, the clamp 11 is fixed with the drill rod 12, the joint pin shaft at the upper end and the power head 6 is disassembled, the power head 6 ascends to separate the drill rod 12, then the overturning platform 9 overturns in a horizontal state, the clamp 11 is loosened, and the swing arm crane 8 is used for moving the drill rod to a drill rod placing area.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

However, the above embodiments are only examples of the present invention, and the scope of the present invention should not be limited thereby, and the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims

1. A pile extension machine comprises a movable frame, a support frame, a power head and a power head lifting mechanism; the power head is in sliding fit with the sliding rail;

the power head lifting mechanism is characterized in that the power head is connected in series to a closed-loop chain, and the power head lifting mechanism drives the power head to lift through the chain;

2. The extension rod pile machine of claim 1, wherein the power head lifting mechanism comprises a motor, a brake, a reducer; the output end of the motor is connected with the input end of the speed reducer; the brake is further mounted at the output end of the motor.

3. A rod-connecting pile driver according to claim 2, characterised in that the reducer is a double-headed reducer provided with two coaxial output shafts; each output shaft is provided with a driving chain wheel; the two groups of chains are respectively bridged on the two driving chain wheels.

4. The rod-connecting pile driver as claimed in claim 3, wherein two sets of lifting lugs are symmetrically arranged on two sides of the power head, and each set of lifting lug comprises an upper lifting lug and a lower lifting lug; the upper lifting lug is arranged on the upper surface of the power head, the lower lifting lug is arranged on the lower surface of the power head, and the upper lifting lug and the lower lifting lug are in the same position in the horizontal direction; the lifting lugs are connected with the tail ends of the corresponding chains.

5. The piling machine of claim 4, wherein said power head elevating mechanism is mounted on said traveling carriage, and a plurality of driven sprockets are provided on a transmission path between said power head elevating mechanism and said power head for changing a direction of the transmission path.

6. A rod-connecting pile machine as claimed in any one of claims 1 to 5, wherein the power head is of a dual-motor drive structure, and the reduction gearbox is a dual-input hard-tooth-surface planetary reducer; four corners of the power head are respectively provided with a sliding block structure; the number of the slide rails is two, and each group of the slide rails is a double-U-shaped slide rail arranged oppositely; the sliding blocks are embedded into the corresponding U-shaped slide ways to form sliding fit.

7. A extension rod pile machine according to claim 1, wherein said horizontal moving mechanism is a swing arm crane; the lower side of the swing arm crane is provided with a drill rod placing area, and drill rods to be installed are placed in parallel.

8. A rod pile extension machine according to claim 1 or 7, wherein the turnover mechanism comprises a turnover table, a hydraulic rod and a clamp; the front end of the overturning platform is hinged with the movable frame; the hydraulic rod is arranged between the back surface of the overturning platform and the movable frame; the fixture is arranged on the upper surface of the overturning platform and used for clamping a drill rod.