CN210655850U

CN210655850U - Double-rope soil gripper

Info

Publication number: CN210655850U
Application number: CN201921538546.7U
Authority: CN
Inventors: 李雪梅; 范长春; 邹瑜
Original assignee: Sichuan Yongqiang Machinery Construction Co ltd
Current assignee: Sichuan Yongqiang Machinery Construction Co ltd
Priority date: 2019-09-17
Filing date: 2019-09-17
Publication date: 2020-06-02
Anticipated expiration: 2029-09-17

Abstract

The utility model relates to a pile foundation construction equipment technical field, concretely relates to double-rope formula soil grab, including grab bucket, first grab lamella and second grab lamella rotate with the both sides of grab bucket lower extreme respectively and link to each other, still include first stay cord and second stay cord, the inboard of first grab lamella is equipped with first grab ear, the inboard of second grab lamella is equipped with the second grab ear, be equipped with first assembly pulley and second assembly pulley in the grab bucket, the upper end of grab bucket is equipped with first cap and second cap, the one end of first stay cord is worn into in the grab bucket from first cap, and go round first assembly pulley with first grab ear links to each other, the one end of second stay cord is worn into in the grab bucket from the second cap, and go round second assembly pulley with the second grab ear links to each other. The problem of current grab bucket instrument meet boulder or other rock crack stones, the grab bucket blocks easily, causes the condition emergence that can't pull out the grapple is solved.

Description

Double-rope soil gripper

Technical Field

The utility model relates to a pile foundation construction equipment technical field, concretely relates to native ware is grabbed to double rope formula.

Background

In the full sleeve pipe of pipe twisting machine or full gyration pile foundation pore-forming, need use the grab bucket cooperation to get soil, the grab bucket instrument that the tradition used is one kind through the instrument of getting soil of single rope control, utilizes the self gravity of grab bucket, at the free whereabouts of pore-forming in-process to realize strikeing and get soil. However, when boulders or other rock cracks are encountered, the grab bucket is easy to be stuck, so that the situation that the grab head cannot be pulled up is caused. Therefore, the soil sampler which is convenient to use and can control the grab flap to freely stretch is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-rope formula soil gripper solves current grab bucket instrument when meetting boulder or other rock crack stones, and the grab bucket blocks fast easily, causes the problem that the condition emergence of unable pulling out the grapple.

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

the utility model provides a two rope formula soil grab, includes grab bucket, first grab lamella and second grab lamella rotate with the both sides of grab bucket lower extreme respectively and link to each other, still includes first stay cord and second stay cord, the inboard of first grab lamella is equipped with first claw, the inboard of second grab lamella is equipped with second claw, be equipped with first assembly pulley and second assembly pulley in the grab bucket, the upper end of grab bucket is equipped with first cap and second cap, the one end of first stay cord is worn into in the grab bucket from first cap, and the bypass first assembly pulley with first grab ear links to each other, the one end of second stay cord is worn into in the grab bucket from the second cap, and the bypass second assembly pulley with the second grab ear links to each other.

The further technical scheme is that the first grab bucket and the second grab bucket are symmetrically distributed on the lower side of the grab bucket along the vertical axis of the grab bucket.

A first connecting ring is arranged at the upper end of the first grab bucket, a connecting piece is arranged at the lower side of the grab bucket and comprises two second connecting rings, an accommodating gap is reserved between the two second connecting rings, the first connecting ring is arranged in the accommodating gap, and a rotating bolt is arranged in the first connecting ring and the second connecting ring.

According to a further technical scheme, the rotary bolt comprises a bolt head, a pin shaft, an inner sleeve ring and an outer sleeve ring, one end of the pin shaft is connected with the bolt head, the outer wall of the other end of the pin shaft is inwards recessed to form a connecting portion, external threads are arranged on the outer side of the connecting portion, internal threads are arranged on the inner wall of the outer sleeve ring, the inner sleeve ring is mounted on the inner side of the connecting portion, and the outer sleeve ring is mounted on the outer side of the connecting portion.

According to a further technical scheme, an inwards-concave arc-shaped grabbing portion is formed on one side of the first grabbing piece, the first grabbing lugs are arranged in the middle section of the grabbing portion, and a plurality of protruding anti-skidding teeth are arranged in the grabbing portion.

A further technical scheme is that the first pulley block comprises a first fixed pulley and a second fixed pulley, the first fixed pulley is located above the second fixed pulley, a first wire groove and a second wire groove are formed in the first fixed pulley, a third wire groove and a fourth wire groove are formed in the second fixed pulley, and the first pull rope sequentially bypasses the first wire groove, the third wire groove, the second wire groove and the fourth wire groove and is connected with the first grabbing lug.

The other end of the first pull rope is arranged outside the first sleeve cap and is connected with a first pull ring, and the other end of the second pull rope is arranged outside the second sleeve cap and is connected with a second pull ring.

A further technical scheme is that a connecting channel is vertically arranged at the top of the grab bucket, a limiting ring is arranged at the upper end of the first sleeve cap, the first sleeve cap is arranged in the connecting channel, the limiting ring is arranged above the connecting channel, a transparent first connecting hole is transversely arranged on the connecting channel, a second connecting hole is arranged on the outer wall of the first sleeve cap, and the first connecting hole and the second connecting hole are fixed through a fixing bolt.

According to a further technical scheme, the first pull rope and the second pull rope are both steel wire ropes.

Compared with the prior art, the beneficial effects of the utility model are that: realize carrying out rotation control to first grab flap through the first assembly pulley of first stay cord cooperation, realize carrying out rotation control to the second grab flap through the cooperation of second stay cord cooperation second assembly pulley, and then realize the independent control of first grab flap and second grab flap, ensure the grab bucket when the action, first grab flap and second grab flap can be independent open and closed, when boulder or secret condition are unknown, the easy dead condition of card of grab bucket and grab flap takes place, and can also avoid the grab bucket to drop or can't hang out the condition of grappling head, ensure that pile foundation construction can go on smoothly, improve efficiency in the work progress and ensure pile body quality.

Drawings

Fig. 1 is a schematic structural view of the double-rope soil grabber of the present invention.

Fig. 2 is a schematic structural view of the first grasping flap of the present invention.

Fig. 3 is a schematic structural view of the middle connection member of the present invention.

Fig. 4 is a schematic structural view of the middle rotary latch of the present invention.

Fig. 5 is a schematic structural diagram of the first pulley block of the present invention.

Icon: 1-grab bucket, 2-first grab bucket, 3-second grab bucket, 4-first pull rope, 5-second pull rope, 6-first grab lug, 7-second grab lug, 8-first pulley block, 9-second pulley block, 10-first sleeve cap, 11-second sleeve cap, 12-first connecting ring, 13-connecting piece, 14-second connecting ring, 15-accommodating gap, 16-rotating bolt, 17-bolt head, 18-pin shaft, 19-inner sleeve ring, 20-outer sleeve ring, 21-connecting part, 22-external thread, 23-internal thread, 24-grabbing part, 25-first fixed pulley, 26-second fixed pulley, 27-first wire groove, 28-second wire groove, 29-third wire groove, 30-fourth wire groove, 31-first tab, 32-second tab.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1-5 show a preferred embodiment of the utility model discloses two rope soil grab, this two rope soil grab specifically includes grab bucket 1, first grab lamella 2, second grab lamella 3, first stay cord 4 and second stay cord 5, first grab lamella 2 and second grab lamella 3 rotate with the both sides of grab bucket 1 lower extreme respectively and link to each other, the inboard of first grab lamella 2 is equipped with first gripping lug 6, the inboard of second grab lamella 3 is equipped with second gripping lug 7, be equipped with first assembly pulley 8 and second assembly pulley 9 in the grab bucket 1, the upper end of grab bucket 1 is equipped with first set of cap 10 and second set of cap 11, the one end of first stay cord 4 is worn into grab bucket 1 from first set of cap 10, and wind first assembly pulley 8 and first gripping lug 6 and link to each other, the one end of second stay cord 5 is worn into grab bucket 1 from second set of cap 11, wind second assembly pulley 9 and second gripping lug 7 and link to each other.

The upper end of the first pull rope 4 is arranged outside the first sleeve cap 10, the first pull rope 4 can move around the first pulley block 8 and can pull the first grab lug 6 by pulling the upper end of the first pull rope 4, and the first grab flap 2 is driven to rotate around the lower end of one side of the grab bucket 1 by pulling the first grab lug 6, so that the opening and closing of the first grab flap 2 are realized; the upper end of the second pull rope 5 is arranged outside the second sleeve cap 11, the second pull rope 5 can move around the second pulley block 9 and can pull the second grab lug 7 by pulling the upper end of the second pull rope 5, and the second grab flap 3 is driven to rotate around the lower end of one side of the grab bucket 1 by pulling the second grab lug 7, so that the opening and closing of the second grab flap 3 are realized; and then first assembly pulley 8 of first stay cord 4 cooperation is realized carrying out rotation control to first grab lamella 2, realize carrying out rotation control to second grab lamella 3 through second stay cord 5 cooperation second assembly pulley 9, and then realize the independent control of first grab lamella 2 and second grab lamella 3, ensure grab bucket 1 when the action, first grab lamella 2 and second grab lamella 3 can be independent open and closed, when grab boulder or secret condition are unknown, the easy dead condition of card of grab bucket 1 and grab lamella takes place, and can also avoid grab bucket 1 to drop or can't hang out the condition of grapple, ensure that the construction can go on smoothly, improve pile foundation work progress efficiency and ensure pile shaft pore-forming quality. Wherein, the grab bucket 1 is stabilized in position by a hoisting mechanism, which includes but is not limited to a lifting rope, a crane, etc.

The first grabbing lug 6 and the second grabbing lug 7 are identical in structure and are fixed on the inner sides of the first grabbing flap 2 or the second grabbing flap 3 in a welding mode, the first grabbing lug 6 and the second grabbing lug 7 can be arranged in a sheet shape, a block shape or a plate shape, and binding holes for connecting the first pull rope 4 or the second pull rope 5 are formed in the first grabbing lug 6 and the second grabbing lug 7.

The first grab bucket 2 and the second grab bucket 3 are symmetrically distributed along the vertical axis of the grab bucket 1 at the lower side of the grab bucket 1, and the first grab bucket 2 and the second grab bucket 3 have the same structure, the upper ends of the first grab bucket 2 and the second grab bucket 3 are both provided with a first connecting ring 12, both sides of the lower end of the grab bucket 1 are both provided with a connecting piece 13, wherein the connector 13 comprises two secondary connecting rings 14, the two secondary connecting rings 14 are arranged side by side, and a receiving gap 15 is left between the two second connecting rings 14, the first connecting rings 12 on the first grab bucket 2 and the second grab bucket 3 are respectively arranged in the receiving gaps 15 of the connecting pieces 13 at both sides of the lower end of the grab bucket 1, and then is mounted in the first and

second connection rings

12 and 14 by rotating the latch 16, thereby achieving the rotational connection between the first and

second connection rings

12 and 14, so that the first and

second grapple

2 and 3 can be rotatably connected to the lower end of the grapple 1.

One side of first grab flap 2 forms inside sunken arc portion 24 that snatchs that is, and first grab ear 6 sets up the middle section of portion 24 snatchs, be equipped with a plurality of outstanding anti-skidding teeth in the portion 24 that snatchs, one side of second grab flap 3 forms inside sunken arc portion 24 that snatchs equally, and second grab ear 7 sets up in the middle section of portion 24 that snatchs, also is provided with a plurality of outstanding anti-skidding teeth in the portion 24 that snatchs of second grab flap 3, as shown in fig. 1, first grab flap 2 sets up in the left side of 1 lower extreme of grab bucket, and second grab flap 3 sets up in the right side of 1 lower extreme of grab bucket, and the portion 24 that snatchs on first grab flap 2 this moment is located the right side, and the portion 24 that snatchs on the second grab flap 3 is located the left side, all is provided with anti-skidding tooth on the inner wall of portion 24, can be better when snatching the.

The aforementioned rotating plug 16 specifically includes a plug head 17, a pin shaft 18, an inner sleeve ring 19 and an outer sleeve ring 20, one end of the pin shaft 18 is connected to the plug head 17, an outer wall of the other end of the pin shaft 18 is recessed inward to form a connecting portion 21, an outer side of the connecting portion 21 is provided with an external thread 22, an inner wall of the outer sleeve ring 20 is provided with an internal thread 23, the inner sleeve ring 19 is installed on an inner side of the connecting portion 21, and the outer sleeve ring 20 is installed on an outer side of the. The bolt head 17 is used for limiting one end of a pin shaft 18, the rotating bolt 16 is prevented from penetrating out of the first connecting ring 12 or the second connecting ring 14, the pin shaft 18 is arranged in the first connecting ring 12 and the second connecting ring 14 to achieve rotating connection between the first connecting ring 12 and the second connecting ring 14 and limit the rotating direction, an inward-recessed connecting portion 21 is formed on the outer wall of the other end of the pin shaft 18, the connecting portion 21 is used for connecting an inner lantern ring 19 and an outer lantern ring 20, the inner lantern ring 19 is installed on the inner side of the connecting portion 21, an external thread 22 is arranged on the outer wall of the outer side of the connecting portion 21, an internal thread 23 is arranged on the inner wall of the outer lantern ring 20, and detachable fixed connection between the outer lantern ring 20 and the connecting portion 21 is achieved through matching of the internal thread 23 and the. Set up like this and dismantle rotating bolt 16 that can be fine, not only be convenient for change rotating bolt 16, still be convenient for change first grab lamella 2 or second grab lamella 3, be convenient for maintain first grab lamella 2 and second grab lamella 3. The outer collar 20 acts as a stop for the inner collar 19 to prevent the inner collar 19 from slipping off the connection portion 21.

The first pulley block 8 comprises a first fixed pulley 25 and a second fixed pulley 26, the first fixed pulley 25 is positioned above the second fixed pulley 26, a first wire groove 27 and a second wire groove 28 are formed in the first fixed pulley 25, a third wire groove 29 and a fourth wire groove 30 are formed in the second fixed pulley 26, and the first pull rope 4 sequentially bypasses the first wire groove 27, the third wire groove 29, the second wire groove 28 and the fourth wire groove 30 and is connected with the first grabbing lug 6. Wherein the first fixed pulley 25 is located under the second fixed pulley 26, the first wire groove 27 and the second wire groove 28 on the first fixed pulley 25 are arranged in parallel, the third wire groove 29 and the fourth wire groove 30 on the second fixed pulley 26 are also arranged in parallel, and the first wire groove 27 is located over the third wire groove 29, the second wire groove 28 is located over the fourth wire groove 30, as shown in fig. 5, the first pull rope 4 is sequentially wound around the first wire groove 27, the third wire groove 29, the second wire groove 28 and the fourth wire groove 30, which not only can play a role of turning the first pull rope 4, but also can make the first pull rope 4 can well pull the first grasping lug 6, and further is convenient for the first pull rope 4 to pull the first grasping lug 2. The structure of the second pulley block 9 is the same as that of the first pulley block 8, and the second pulley block also comprises two fixed pulleys, wherein the two fixed pulleys are provided with wire grooves, and the winding mode of the second stay wire is the same as that of the first stay wire. The first stay wire and the second stay wire are both steel wire wires, so that the first stay wire and the second stay wire can be guaranteed to have good strength.

The vertical interface channel that is provided with in the top of grab bucket 1, the upper end of first cap 10 is equipped with the spacing ring, and first cap 10 sets up in interface channel, and the spacing ring setting is in interface channel's top, transversely is equipped with penetrating first connecting hole on the interface channel, is equipped with the second connecting hole on the outer wall of first cap 10, and first connecting hole and second connecting hole pass through fixing bolt mutual fixation position. Fix first set of cap 10 and connecting channel through fixing bolt, realize that first set of cap 10 is connected with dismantling of 1 upper end of grab bucket, be convenient for dismantle first set of cap 10 to in maintenance and change first set of cap 10, be provided with the spacing ring in the upper end of first set of cap 10, the spacing ring can avoid first set of cap 10 to wear into the connecting channel completely, and be convenient for first set of cap 10's installation and taking out. The second cap 11 is connected to the upper end of the grab 1 in the same manner as the first cap 10 is connected to the upper end of the grab 1, and the first cap 10 has the same structure as the second cap 11.

The upper ends of the first pull rope 4 and the second pull rope 5 are both pulling ends, the upper end of the first pull rope 4 is provided with a first pull ring 31, the upper end of the second pull rope 5 is provided with a second pull ring 32, the first pull ring 31 and the second pull ring 32 can be utilized to pull the first pull rope 4 and the second pull rope 5, and therefore pulling is more convenient.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. The utility model provides a double-rope soil grabber, includes grab bucket (1), first grab bucket (2) and second grab bucket (3) rotate with the both sides of grab bucket (1) lower extreme respectively and link to each other its characterized in that: still include first stay cord (4) and second stay cord (5), the inboard of first grab lamella (2) is equipped with first grab ear (6), the inboard of second grab lamella (3) is equipped with second grab ear (7), be equipped with first assembly pulley (8) and second assembly pulley (9) in grab bucket (1), the upper end of grab bucket (1) is equipped with first cap (10) and second cap (11), the one end of first stay cord (4) is worn into in grab bucket (1) from first cap (10), and the duplex winding first assembly pulley (8) with first grab ear (6) link to each other, the one end of second stay cord (5) is worn into in grab bucket (1) from second cap (11), and the duplex winding second assembly pulley (9) with second grab ear (7) link to each other.

2. The double-rope soil grabber of claim 1, wherein: the first grab bucket (2) and the second grab bucket (3) are symmetrically distributed on the lower side of the grab bucket (1) along the vertical axis of the grab bucket (1).

3. The double-rope soil grabber of claim 1, wherein: the upper end of first grab flap (2) is equipped with first go-between (12), the downside of grab bucket (1) is equipped with connecting piece (13), connecting piece (13) include two second go-between (14), two second go-between (14) between leave and be equipped with accommodation gap (15), install first go-between (12) in accommodation gap (15), have rotation bolt (16) to install in first go-between (12) and second go-between (14).

4. The double-rope soil grabber of claim 3, wherein: the rotary bolt (16) comprises a bolt head (17), a pin shaft (18), an inner sleeve ring (19) and an outer sleeve ring (20), one end of the pin shaft (18) is connected with the bolt head (17), the outer wall of the other end of the pin shaft (18) is inwards sunken to form a connecting portion (21), external threads (22) are arranged on the outer side of the connecting portion (21), internal threads (23) are arranged on the inner wall of the outer sleeve ring (20), the inner sleeve ring (19) is installed on the inner side of the connecting portion (21), and the outer sleeve ring (20) is installed on the outer side of the connecting portion (21).

5. The double-rope soil grabber of claim 1, wherein: one side of the first grabbing piece (2) is formed with an arc grabbing part (24) which is inwards sunken, the first grabbing lugs (6) are arranged in the middle section of the grabbing part (24), and a plurality of protruding anti-skidding teeth are arranged in the grabbing part (24).

6. The double-rope soil grabber of claim 1, wherein: first assembly pulley (8) are including first fixed pulley (25) and second fixed pulley (26), first fixed pulley (25) are located the top of second fixed pulley (26), be equipped with first wire casing (27) and second wire casing (28) on first fixed pulley (25), be equipped with third wire casing (29) and fourth wire casing (30) on second fixed pulley (26), first stay cord (4) are walked around first wire casing (27), third wire casing (29), second wire casing (28) and fourth wire casing (30) in proper order, and with first lug (6) of grabbing link to each other.

7. The double-rope soil grabber of claim 1, wherein: the other end of the first pull rope (4) is arranged outside the first sleeve cap (10) and is connected with a first pull ring (31), and the other end of the second pull rope (5) is arranged outside the second sleeve cap (11) and is connected with a second pull ring (32).

8. The double-rope soil grabber of claim 1, wherein: the vertical interface channel that is equipped with in top of grab bucket (1), the upper end of first cover cap (10) is equipped with the spacing ring, first cover cap (10) set up in the interface channel, just the spacing ring sets up interface channel's top, transversely be equipped with penetrating first connecting hole on the interface channel, be equipped with the second connecting hole on the outer wall of first cover cap (10), first connecting hole and second connecting hole pass through fixing bolt mutual fixed position.

9. The double-rope soil grabber of claim 1, wherein: the first pull rope (4) and the second pull rope (5) are both steel wire ropes.