CN216999909U

CN216999909U - Underground continuous wall trenching machine

Info

Publication number: CN216999909U
Application number: CN202220184487.3U
Authority: CN
Inventors: 许大伟; 杨锐
Original assignee: Second Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Current assignee: Second Construction Co Ltd of China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-07-19
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses an underground continuous wall trenching machine, which belongs to the technical field of trenching machines and comprises a trenching machine main body, wherein a steel rope is fixedly connected to the upper part of the trenching machine main body, a fixed seat is fixedly connected to the other end of the steel rope, a fixed frame is fixedly connected to the lower end of the fixed seat, a bearing seat is fixedly connected to the bottom of the fixed frame, two grab buckets are arranged on the surface of the bearing seat, rotating shafts are rotatably connected in the two grab buckets, the two rotating shafts are arranged in the bearing seat and symmetrically arranged, a material grabbing mechanism is arranged in the fixed frame and connected with the two grab buckets to realize material grabbing, finally, a mud scraper can be always attached to the inner walls of the grab buckets under the elastic action of a spring, soil in the grab buckets is basically cleaned through the mutual matching of the spring and the mud scraper, and the trenching efficiency is further optimized.

Description

Underground continuous wall trenching machine

Technical Field

The utility model relates to the technical field of trenching machines, in particular to an underground continuous wall trenching machine.

Background

The underground continuous wall is a foundation engineering, and adopts a trenching machine on the ground, and under the condition of slurry wall protection, a long and narrow deep groove is excavated along the peripheral axis of the deep excavation engineering, after the groove is cleaned, a steel reinforcement cage is hung in the groove, then underwater concrete is poured by using a conduit method to construct a unit groove section, and the steps are carried out section by section, so that a continuous reinforced concrete wall is constructed underground to be used as a structure for intercepting water, preventing seepage, bearing and retaining water.

Need dig out a deep trouth underground through the trenching machine earlier when pouring underground continuous wall, the grab bucket of trenching machine commonly used at present when pouring earth, because the earth stickness in the grab bucket is too big, can not pour earth in the grab bucket completely, and then influence the efficiency of trenching.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a grooving machine for an underground continuous wall, which can ensure that a mud scraper can be always attached to the inner wall of a grab bucket under the elastic action of a spring, and the soil in the grab bucket is basically cleaned through the mutual matching of the spring and the mud scraper, so that the grooving efficiency is optimized.

2. Technical scheme

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides an underground continuous wall trenching machine, includes the trenching machine main part, the last fixedly connected with steel cable of trenching machine main part, the other end fixedly connected with fixing base of steel cable, the fixed frame of lower extreme fixedly connected with of fixing base, the bottom fixedly connected with bearing frame of fixed frame, the surface of bearing frame is provided with two grabs, two equal rotation is connected with the pivot in the grab bucket, two the pivot is all installed in the bearing frame, and two pivot symmetries set up, be provided with in the fixed frame and grab material mechanism, grab material mechanism and two grabs the bucket and link to each other in order to realize grabbing the material.

As a preferable scheme of the utility model, the material grabbing mechanism comprises a driving assembly and two groups of material grabbing assemblies, the two groups of material grabbing assemblies are symmetrically arranged, the driving assembly and the two groups of material grabbing assemblies are both arranged in a fixed frame, and the driving assembly and the two groups of material grabbing assemblies are connected to realize simultaneous material grabbing.

As a preferred scheme of the present invention, the driving assembly includes two sliding holes, two hydraulic cylinders and two push plates, the two sliding holes are respectively opened at the left end and the right end of the fixed frame, the hydraulic cylinders are installed in the fixed frame, the push plates are fixedly connected to the extending ends of the hydraulic cylinders, and the push plates are slidably connected to the two sliding holes.

As a preferable scheme of the utility model, each group of the grabbing components comprises a mounting hole, a first mounting seat, a second mounting seat and a connecting rod, the mounting hole is formed in the lower end of the fixed frame, the first mounting seat is fixedly connected to the lower end of the push plate, the second mounting seat is fixedly connected to the grab bucket, the connecting rod is movably hinged between the first mounting seat and the second mounting seat, and the connecting rod movably penetrates through the mounting hole.

As a preferable scheme of the utility model, a group of mud scraping mechanisms are arranged in each grab bucket, each mud scraping mechanism comprises three springs, three telescopic rods and three mud scraping plates, the three springs and the three telescopic rods are fixedly connected to the side ends of the bearing seats, the three springs are sleeved on the surfaces of the three telescopic rods, the mud scraping plates are fixedly connected to the other ends of the three springs and the three telescopic rods, and the mud scraping plates are slidably connected in the grab buckets.

As a preferable scheme of the utility model, the left end and the right end of the bearing seat are fixedly connected with baffle plates, and the two baffle plates are respectively positioned at the lower sides of the spring and the telescopic rod.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) this scheme is when using this device to pour earth, start the shrink of pneumatic cylinder, the extension end shrink of pneumatic cylinder drives the push pedal rebound, the rebound of push pedal drives two connecting rod rebound through two first mount pads, the rebound of connecting rod upwards through the left part of second mount pad pulling grab bucket, because the right part rotation of grab bucket is connected with the pivot, the rebound of connecting rod can pass through second mount pad pulling grab bucket and rotate to the top around the pivot as the centre of a circle, the grab bucket is when rotating, the mud scraper can scrape the earth in the grab bucket inner wall, and the elastic action of cooperation spring makes the mud scraper can laminate with the inner wall of grab bucket all the time, mutually support through spring and mud scraper and basically clear up the earth in the grab bucket, and then the efficiency in groove has been optimized.

(2) In this scheme, the fixed of baffle is earth can be with spring blockage when in order to facilitate preventing spring and telescopic link shrink for the unable elasticity of spring problem that resets.

Drawings

FIG. 1 is an exploded view of an underground diaphragm wall trenching machine of the present invention;

FIG. 2 is a front perspective view of an underground continuous wall trenching machine of the present invention;

FIG. 3 is a schematic view of a fixing frame of a trenching machine for underground diaphragm walls of the present invention;

FIG. 4 is a schematic view of a grab bucket of an underground continuous wall trenching machine of the present invention.

The reference numbers in the figures illustrate:

1. a trenching machine body; 2. a steel cord; 3. a fixed seat; 4. a fixing frame; 5. a slide hole; 6. mounting holes; 7. a hydraulic cylinder; 8. pushing the plate; 9. a first mounting seat; 10. a bearing seat; 11. a grab bucket; 12. a rotating shaft; 13. a second mounting seat; 14. a connecting rod; 15. a spring; 16. a telescopic rod; 17. a mud scraper; 18. and a baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of 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. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows:

please refer to fig. 1-4, an underground diaphragm wall trenching machine, including trenching machine main part 1, the last fixedly connected with steel cable 2 of trenching machine main part 1, the other end fixedly connected with fixing base 3 of steel cable 2, the lower extreme fixedly connected with fixed frame 4 of fixing base 3, the bottom fixedly connected with bearing frame 10 of fixed frame 4, the surface of bearing frame 10 is provided with two grab buckets 11, all rotate in two grab buckets 11 and are connected with pivot 12, two pivot 12 are all installed in bearing frame 10, and two pivot 12 symmetry sets up, be provided with in the fixed frame 4 and grab the material mechanism, grab the material mechanism and two grab buckets 11 and link to each other in order to realize grabbing the material.

In this embodiment, start the shrink of hydraulic cylinder 7, the extension end shrink of hydraulic cylinder 7 drives push pedal 8 and upwards removes, the rebound of push pedal 8 drives two connecting rods 14 and upwards removes through two first mount pads 9, the rebound of connecting rod 14 upwards passes through the left part of second mount pad 13 pulling grab bucket 11, because the right part rotation of grab bucket 11 is connected with pivot 12, the rebound of connecting rod 14 can pass through second mount pad 13 pulling grab bucket 11 and rotate upwards around pivot 12 for the centre of a circle, grab bucket 11 is when rotating, mud scraper 17 can scrape the earth in the grab bucket 11 inner wall, and cooperation spring 15's elastic action makes mud scraper 17 can laminate with the inner wall of grab bucket 11 all the time, mutually support through spring 15 and mud scraper 17 and clear up the earth in the grab bucket 11 basically, and then optimized the efficiency of digging groove.

The material grabbing mechanism comprises a driving assembly and two sets of material grabbing assemblies, the two sets of material grabbing assemblies are symmetrically arranged, the driving assembly and the two sets of material grabbing assemblies are arranged in the fixed frame 4, and the driving assembly and the two sets of material grabbing assemblies are connected in a homogeneous phase mode to achieve simultaneous grabbing.

In this embodiment, grab the material mechanism and include drive assembly and two sets of material subassemblies of grabbing, two sets of material subassemblies of grabbing symmetry set up, and drive assembly and two sets of material subassemblies of grabbing all set up in fixed frame 4, and drive assembly and two sets of material subassemblies of grabbing homogeneous phase are connected in order to realize grabbing the material simultaneously.

Specifically, drive assembly includes slide opening 5, pneumatic cylinder 7 and push pedal 8, and slide opening 5 sets up to two, and both ends about fixed frame 4 are seted up respectively to two slide openings 5, and pneumatic cylinder 7 is installed in fixed frame 4, and push pedal 8 fixed connection is in the extension end of pneumatic cylinder 7, and push pedal 8 sliding connection is in two slide openings 5.

In this embodiment, the sliding hole 5 is for the convenience of the sliding of the push plate 8, the hydraulic cylinder 7 is for the convenience of driving the push plate 8 to stretch, the connecting rod 14 is driven to stretch by the stretching of the push plate 8, and the opening and closing of the grab bucket 11 are controlled by the stretching of the connecting rod 14.

Concretely, every group grabs the material subassembly and all includes mounting hole 6, first mount pad 9, second mount pad 13 and connecting rod 14, and the lower extreme of fixed frame 4 is seted up in

mounting hole

6, and 9 fixed connection in the lower extreme of push pedal 8 of first mount pad, and 13 fixed connection of second mount pad are on grab bucket 11, and the activity hinges has connecting rod 14 between first mount pad 9 and the second mount pad 13, and connecting rod 14 activity runs through mounting hole 6.

In this embodiment, the mounting hole 6 is for facilitating the link 14 to movably penetrate therethrough, the first mounting seat 9 is for facilitating the connection of the upper end of the link 14, and the second mounting seat 13 is for facilitating the connection of the lower end of the link 14.

Specifically, all be provided with a set of mud scraping mechanism in every grab bucket 11, mud scraping mechanism includes spring 15, telescopic link 16 and scraper 17, and spring 15 and telescopic link 16 all set up to three, and three spring 15 and the equal fixed connection of three telescopic link 16 are in the side of bearing frame 10, and the surface of three telescopic link 16 is located to three spring 15 cover, scraper 17 fixed connection in the other end of three spring 15 and three telescopic link 16, and scraper 17 sliding connection is in grab bucket 11.

In this embodiment, the elastic action of spring 15 makes the scraper 17 can laminate with the inner wall of grab bucket 11 all the time, through mutually supporting of spring 15 and scraper 17 with the basic clean up of earth in the grab bucket 11, and then optimized the efficiency of digging groove.

Specifically, both ends are all fixedly connected with baffle 18 about bearing frame 10, and two baffles 18 are located the downside of spring 15 and telescopic link 16 respectively.

In this embodiment, the baffle 18 is fixed to prevent the spring 15 from being blocked by mud when the spring 15 and the telescopic rod 16 are contracted, so that the spring 15 cannot be elastically restored.

The working principle is as follows: when using this device to pour earth out, start the shrink of pneumatic cylinder 7, the extension end shrink of pneumatic cylinder 7 drives push pedal 8 and upwards removes, the rebound of push pedal 8 drives two connecting rods 14 through two first mount pads 9 and upwards removes, the rebound of connecting rod 14 upwards passes through the left part of second mount pad 13 pulling grab bucket 11, because the right part rotation of grab bucket 11 is connected with pivot 12, the rebound of connecting rod 14 can pass through second mount pad 13 pulling grab bucket 11 and rotate around pivot 12 for the centre of a circle upwards, grab bucket 11 is when rotating, mud scraper 17 can scrape the earth in grab bucket 11 inner wall, and the elastic reaction of cooperation spring 15 makes mud scraper 17 can laminate with the inner wall of grab bucket 11 all the time, mutually support through spring 15 and mud scraper 17 and clear up the interior basic clearance of grab bucket 11, and then optimized the efficiency of digging a groove.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.

Claims

1. An underground continuous wall trenching machine, includes trenching machine main part (1), its characterized in that: last fixedly connected with steel cable (2) of grooving machine main part (1), other end fixedly connected with fixing base (3) of steel cable (2), the fixed frame (4) of lower extreme fixedly connected with of fixing base (3), bottom fixedly connected with bearing frame (10) of fixed frame (4), the surface of bearing frame (10) is provided with two grab bucket (11), two equal rotation is connected with pivot (12), two in grab bucket (11) pivot (12) are all installed in bearing frame (10), and two pivot (12) symmetry sets up, be provided with in fixed frame (4) and grab material mechanism, grab material mechanism and two grab bucket (11) link to each other in order to realize grabbing the material.

2. An underground continuous wall trenching machine as defined in claim 1 wherein: the material grabbing mechanism comprises a driving assembly and two groups of material grabbing assemblies, the two groups of material grabbing assemblies are symmetrically arranged, the driving assembly and the two groups of material grabbing assemblies are arranged in a fixed frame (4), and the driving assembly and the two groups of material grabbing assemblies are connected in a homogeneous mode to realize simultaneous material grabbing.

3. An underground continuous wall trenching machine as defined in claim 2 wherein: drive assembly includes slide opening (5), pneumatic cylinder (7) and push pedal (8), slide opening (5) set up to two, two both ends about fixed frame (4) are seted up respectively in slide opening (5), install in fixed frame (4) pneumatic cylinder (7), push pedal (8) fixed connection is in the extension end of pneumatic cylinder (7), push pedal (8) sliding connection is in two slide openings (5).

4. An underground continuous wall trenching machine as defined in claim 3 wherein: every group grab the material subassembly and all include mounting hole (6), first mount pad (9), second mount pad (13) and connecting rod (14), the lower extreme of fixed frame (4) is seted up in mounting hole (6), first mount pad (9) fixed connection is in the lower extreme of push pedal (8), second mount pad (13) fixed connection is on grab bucket (11), the activity articulates between first mount pad (9) and second mount pad (13) has connecting rod (14), mounting hole (6) are run through in connecting rod (14) activity.

5. An underground continuous wall trenching machine as defined in claim 4 wherein: every all be provided with a set of mud mechanism of scraping in grab bucket (11), it includes spring (15), telescopic link (16) and mud scraper (17) to scrape mud mechanism, spring (15) and telescopic link (16) all set up to three, three spring (15) and the equal fixed connection in the side of bearing frame (10) of three telescopic link (16) with three telescopic link (16), and the surface of three telescopic link (16) is located in three spring (15) cover, mud scraper (17) fixed connection is in the other end of three spring (15) and three telescopic link (16), and mud scraper (17) sliding connection is in grab bucket (11).

6. An underground continuous wall trenching machine as defined in claim 5 wherein: the equal fixedly connected with baffle (18) in both ends about bearing frame (10), two baffle (18) are located the downside of spring (15) and telescopic link (16) respectively.