CN212003022U

CN212003022U - Counterweight self-loading and unloading structure of rotary drilling rig

Info

Publication number: CN212003022U
Application number: CN202020283204.1U
Authority: CN
Inventors: 李忠道; 王亚茹
Original assignee: Anhui Zhongdi Foundation Engineering Co ltd
Current assignee: Anhui Zhongdi Foundation Engineering Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-11-24
Anticipated expiration: 2030-03-06

Abstract

The utility model relates to a dig rig counter weight from loading and unloading structure soon, including organism and counter weight, rotate the lift cylinder who installs the mast and adjust the mast position on the organism, the mast on fixed mounting have support piece, support piece is last fixed mounting have a rope of lifting by crane, lift by crane the rope and keep away from support piece's one end detachable fixed mounting on the counter weight, the mast rotates when horizontal position, support piece is located one side of keeping away from the organism head in the organism afterbody, afterbody fixed mounting at the organism has the mounting bracket, counter weight detachable fixed mounting is on the mounting bracket, when lifting by crane rope and counter weight fixed connection, and the mast rotates when making support piece locate with the adjacent position of organism afterbody in the projection on the organism, counter weight and mounting bracket closely laminate. The self-loading and self-unloading positioning device can accurately and reliably realize self-loading and self-unloading positioning of the balance weight, can be quickly installed and positioned, and is more convenient to use.

Description

Counterweight self-loading and unloading structure of rotary drilling rig

Technical Field

The utility model belongs to the technical field of the technique of digging the rig soon and specifically relates to a dig rig counter weight soon from loading and unloading structure is related to.

Background

Rotary excavators, also known as rotary drilling rigs, pile drivers. The rotary drilling machine is a comprehensive drilling machine, can be used for various stratums, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. The multi-layer telescopic drill rod is adopted, so that the drilling auxiliary time is short, the labor intensity is low, the sludge circulation and deslagging are not needed, the cost is saved, and the multi-layer telescopic drill rod is particularly suitable for the foundation construction of urban construction. Because the mast of the rotary drilling rig is longer, a counterweight is often arranged at the rear part of the whole machine in order to adjust the gravity center of the whole machine and enhance the stability of the whole machine, and because the allowable load of a chassis and the convenience of transportation and transfer are considered, the counterweight is made into a detachable movable counterweight, namely the counterweight and the whole machine are transported separately, and the counterweight is reinstalled during working. Because the weight of the counterweight is very large, the counterweight needs to be reassembled when the rotary drilling rig is transferred to a new construction site, and therefore the counterweight can be assembled or disassembled only by the aid of the auxiliary hoisting device when the counterweight is assembled or disassembled.

For example, the Chinese patent with the publication number of CN202391339U discloses a rotary drilling rig with self-loading and self-unloading adjustable gravity center balance weight, which comprises a rotary table and a balance weight, wherein a sliding frame is slidably arranged on the rotary table, and a sliding oil cylinder is arranged between the sliding frame and the rotary table; the sliding frame is hinged with a connecting rod I and a connecting rod II, the other ends of the connecting rod I and the connecting rod II are hinged on the balance weight, and a lifting oil cylinder is arranged between the connecting rod I or the connecting rod II and the sliding frame; at least one end of the connecting rod I and at least one end of the connecting rod II are detachably hinged with the sliding frame or the balance weight. The connecting rod I and the connecting rod II are arranged in parallel, and the rod lengths of the connecting rod I and the connecting rod II are equal. And a lifting oil cylinder is arranged between the connecting rod II and the sliding frame, and the connecting rod II is positioned above the connecting rod I. The rotary drilling rig can not only accurately and reliably realize self-loading, unloading and positioning of the balance weight, but also adjust the gravity center of the whole machine according to different working conditions, so that the rotary drilling rig is always in a stable working condition. However, when the structure is used, the machine body needs to be additionally provided with the connecting rod and the lifting oil cylinder, and when the balance weight is moved to a position adjacent to the machine body and is fixedly arranged on the connecting rod, the position of the balance weight needs to be adjusted so that the balance weight can be aligned with the connecting rod. It is inconvenient quick installation, and it is comparatively troublesome to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dig rig counter weight soon and unload structure from loading and unloading, its can realize the loading and unloading location by oneself of counter weight accurately reliably, can be quick install and fix a position, it is more convenient to use.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a dig rig counter weight from loading and unloading structure soon, includes organism and counter weight, rotates the lift cylinder who installs the mast and adjust the mast position on the organism, the mast on fixed mounting have support piece, fixed mounting has the rope of lifting by crane on the support piece, the one end detachable fixed mounting who keeps away from support piece lifts by crane the rope is on the counter weight, the mast rotates when horizontal position, support piece is located one side of keeping away from the organism head in the organism afterbody, afterbody fixed mounting at the organism has the mounting bracket, counter weight detachable fixed mounting is on the mounting bracket, when lifting by crane rope and counter weight fixed connection, and the mast rotates when making support piece locate with the adjacent position of organism afterbody in the projection on the organism, counter weight and mounting.

By adopting the technical scheme, the mast on the machine body is rotated to the horizontal position, and the hoisting rope connected to the mast is connected with the balance weight. And then the mast is driven to move through the lifting oil cylinder, so that the balance weight is hoisted. When hoisting the counter weight to the position department adjacent with the organism position, counter weight and mounting bracket closely laminate, can be very convenient with counter weight and mounting bracket fixed connection together, later dismantle the installation that gets off and can accomplish the counter weight with the rope that lifts by crane on the counter weight. When the counterweight is disassembled, the mast can be rotated to a position adjacent to the tail of the machine body in the projection of the supporting member on the machine body, then the lifting rope is fixedly connected with the counterweight, then the counterweight is disassembled from the machine body, and the mast is continuously rotated to enable the counterweight to be far away from the machine body and placed on the ground. Because this structure is through hoisting the rope hoist and mount counter weight, when hoist and mount counter weight, the rope that lifts by crane can be easier link together with the counter weight, can install and fix a position fast, and it is more convenient to use.

The present invention may be further configured in a preferred embodiment as: the cross section of the mast is square, when the mast rotates to the horizontal position, the supporting piece is fixedly arranged on the vertical side surface of the mast, and one supporting piece is fixedly arranged on each of the two vertical side surfaces of the mast.

Through adopting above-mentioned technical scheme, fixed mounting has two support piece on the mast, consequently lifts by crane the rope through two and lifts by crane the counter weight, compares in adopting a rope of lifting by crane to hoist the structure of counter weight more stable to the counter weight horizontal hunting and torsional phenomenon are difficult to appear, are convenient for hoist and mount.

The present invention may be further configured in a preferred embodiment as: the upper surface of counter weight be rectangle, fixed mounting has two lugs on the upper surface of counter weight, the lug sets up along the central line of the minor face of counter weight top surface, the lug is located the both sides of the central point of counter weight top surface respectively, and the distance between lug and the central point of counter weight top surface equals.

Through adopting above-mentioned technical scheme, the one end and the lug fixed connection of mast are kept away from to the rope that lifts by crane, and when hoist and mount counter weight, the counter weight can be lifted by more stable.

The present invention may be further configured in a preferred embodiment as: when the mast is rotated to enable the supporting piece to be positioned right above the counterweight, the projection of the supporting piece on the top surface of the counterweight is positioned between the two lifting lugs on the top surface of the counterweight.

Through adopting above-mentioned technical scheme, make the distance between two lugs be not less than the distance between two support piece, when hoist and mount counter weight, make the counter weight get up by more firm hoist and mount, be difficult for appearing counter weight horizontal hunting and torsional phenomenon.

The present invention may be further configured in a preferred embodiment as: the mounting bracket on fixed mounting have the horizontally mounting panel, seted up the mounting groove on the counter weight is close to the side of organism, the distance between inboard top surface of mounting groove and the bottom surface is greater than the mounting plate thickness, the mounting panel can inlay and establish in the mounting groove, when the counter weight removed to the position department adjacent with the organism position, the mounting panel was laminated with the inboard bottom surface of mounting groove.

Through adopting above-mentioned technical scheme, because the counter weight is when being hoisted to the position department adjacent with organism position, if the mast further rotates, the counter weight is highly further by the phenomenon of lifting just appears very easily, and then leads to the counter weight position dislocation, makes the unable fine installation of counter weight on the mounting bracket. When the counter weight removed, because the orbit that the counter weight removed is arc, it is bigger to set up the mounting groove, when the counter weight removed, the mounting panel was earlier inserted from the upside of mounting panel and is established into the mounting groove, when the counter weight removed gradually to the position department adjacent with the organism position, the distance between mounting panel and the mounting groove downside was more and more littleer, until the mounting panel laminated with the inboard bottom surface of mounting groove, the counter weight was also adjacent with the organism position this moment, the workman of can being convenient for fixed the position of counter weight.

The present invention may be further configured in a preferred embodiment as: and a reinforcing rib plate is fixedly arranged between the upper side of the mounting plate and the machine body, and both the reinforcing rib plate and the mounting plate can be embedded in the mounting groove.

Through adopting above-mentioned technical scheme, through being provided with the reinforced rib board, can strengthen the mounting panel, make the difficult phenomenon of buckling that appears deforming of mounting panel. And because the reinforcing rib plate is triangular, the reinforcing rib plate can be very conveniently embedded into the counterweight groove in the counterweight moving process.

The present invention may be further configured in a preferred embodiment as: and a winding piece is fixedly installed on the mast, and the distance between the winding piece and the support piece is less than the length of the hoisting rope.

Through adopting above-mentioned technical scheme, hoist the counter weight to will lift by crane the rope and dismantle the back from the counter weight, can twine the rope that lifts by crane on the coiling spare, thereby will lift by crane the position fixation of rope, be difficult for disturbing the organism and normally carry out work.

The present invention may be further configured in a preferred embodiment as: the area of the top surface of the counterweight is smaller than that of the bottom surface.

Through adopting above-mentioned technical scheme, the bottom surface area of counter weight is bigger, can make very convenient placing at automobile body or subaerial of counter weight, is convenient for hoist and mount.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the counterweight can be accurately and reliably assembled, disassembled and positioned by self, can be quickly installed and positioned, and is more convenient to use;

2. the structure is more stable when hoist and mount, and the counter weight horizontal hunting and the phenomenon of twisting are difficult to appear, is convenient for hoist and mount.

Drawings

Fig. 1 is a schematic structural diagram of the present embodiment.

Fig. 2 is a schematic structural view of the machine body after the counterweight is detached.

Fig. 3 is a schematic view of the structure of the counterweight.

In the figure, 1, a machine body; 11. a mast; 12. a lift cylinder; 13. balancing weight; 2. a mounting frame; 21. lifting lugs; 3. a support member; 31. rolling up the part; 32. hoisting a rope; 33. hooking; 4. mounting grooves; 41. mounting a plate; 42. and a reinforcing rib plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a dig rig counter weight from loading and unloading structure soon, including organism 1, rotate on organism 1 and install mast 11 and lift cylinder 12, lift cylinder 12 is used for supporting mast 11 and adjusts the position of mast 11. The mast 11 and the lift cylinder 12 are both mounted at the head of the machine body 1. An installation frame 2 is fixedly installed on the tail part of the machine body 1, and a counterweight 13 is detachably installed on the installation frame 2.

Referring to fig. 1 and 2, a side surface of the counterweight 13 close to the machine body 1 is a plane, a side surface far from the machine body 1 is an inclined surface, a distance between an upper end of the inclined surface and the machine body 1 is smaller than a distance between a lower end of the inclined surface and the machine body 1, and an area of a top surface of the counterweight 13 is smaller than an area of a bottom surface. The top surface of the counterweight 13 is arranged to be rectangular, and the side edge of the top surface of the counterweight 13 adjacent to the machine body 1 is a long rectangular edge. Two lifting lugs 21 are welded on the top surface of the counterweight 13, the lifting lugs 21 are arranged along the center line of the short side of the top surface of the counterweight 13, and the lifting lugs 21 are respectively positioned on two sides of the center point of the top surface of the counterweight 13.

Referring to fig. 1 and 2, the mast 11 has a square cross section, the support member 3 and the winding member 31 are welded to the mast 11, and the support member 3 and the winding member 31 are respectively disposed on two opposite sides of the mast 11. When the mast 11 is turned to the horizontal position, the support 3 and the roll-up 31 are located on both vertical sides of the mast 11, and the support 3 is located on the side of the tail of the machine body 1 remote from the head of the machine body 1. The support 3 and the winding 31 are both cylinders perpendicular to the vertical side of the mast 11, the axes of the two supports 3 being collinear, and the axes of the two windings 31 being collinear. A lifting rope 32 is fixedly sleeved on the support 3, and a hook 33 is fixedly arranged on one end of the lifting rope 32 far away from the support 3. The length of the hoisting rope 32 is greater than the distance between the reel 31 and the support 3 on the same side. The lifting lug 21 is hooked by the hook 33, the mast 11 rotates under the driving of the lifting oil cylinder 12, when the mast 11 rotates to the position where the projection of the support member 3 on the machine body 1 is adjacent to the tail of the machine body 1, the length of the lifting rope 32 is equal to the distance between the support member 3 and the mounting frame 2, and at the moment, the balance weight 13 is tightly attached to the mounting frame 2. Referring to fig. 3, a mounting groove 4 is formed on a side surface of the counterweight 13 close to the mounting bracket 2, a horizontal mounting plate 41 is fixedly mounted on the mounting bracket 2, and a reinforcing rib 42 is welded between the upper side surface of the mounting plate 41 and the mounting bracket 2. The reinforcing rib 42 has a triangular shape, and the distance between the end of the reinforcing rib 42 remote from the mounting plate 41 and the mounting plate 41 is smaller than the distance between the top surface and the bottom surface inside the mounting groove 4. And when the mast 11 is rotated to a position where the counterweight 13 is closely attached to the mounting bracket 2, the mounting plate 41 is attached to the bottom surface of the inner side of the mounting groove 4.

When people need to install the counterweight 13 on the machine body 1, the mast 11 on the machine body 1 is rotated to a horizontal position, and the hook 33 on the lifting rope 32 hooks the lifting lug 21 of the counterweight 13. Then the mast 11 is driven by the lifting oil cylinder 12 to move, and the counterweight 13 is lifted. When counter weight 13 moves to the position department adjacent with mounting bracket 2 position, in order to the position of location counter weight 13 that can be accurate, through being provided with mounting panel 41, when mast 11 rotates to the position that makes counter weight 13 closely laminate with mounting bracket 2, mounting panel 41 laminates with the inboard bottom surface of mounting groove 4 to with counter weight 13's position limit, make the convenient fixed mounting of counter weight 13 on mounting bracket 2. Because the track that counter weight 13 removed is arc, through opening mounting groove 4 bigger, when counter weight 13 removed, mounting panel 41 inserted into the mounting groove 4 from the upside of mounting panel 41 earlier, and because reinforcing floor 42 is triangle-shaped, can remove at counter weight 13, when making mounting panel 41 insert gradually and establish into mounting groove 4, made reinforcing floor 42 also very convenient inlay and establish into counter weight 13 inslot. When the counterweight 13 is removed, the mast 11 can be rotated again to a position adjacent to the tail of the machine body 1 in the projection of the supporting member 3 on the machine body 1, then the lifting rope 32 is fixedly connected with the counterweight 13, then the counterweight 13 is removed from the machine body 1, and the mast 11 is rotated continuously, so that the counterweight 13 is far away from the machine body 1 and is placed on the ground. Because this structure is through hoisting rope 32 hoist counter weight 13, when hoist counter weight 13, hoist rope 32 and can be more easily be in the same place with counter weight 13 is connected, can install and fix a position fast, it is more convenient to use. After the balance weight 13 is hoisted and the hoisting rope 32 is detached from the balance weight 13, the hoisting rope 32 can be wound on the winding member 31, so that the position of the hoisting rope 32 is fixed, and the normal operation of the machine body 1 is not easily disturbed.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a rotary drilling rig counter weight is from loading and unloading structure, includes organism (1) and counter weight (13), rotates on organism (1) and installs mast (11) and lift cylinder (12) of adjusting mast (11) position, its characterized in that: mast (11) on fixed mounting have support piece (3), fixed mounting has hoisting rope (32) on support piece (3), hoisting rope (32) keep away from the one end detachable fixed mounting of support piece (3) on counter weight (13), mast (11) rotate when horizontal position, support piece (3) are arranged in organism (1) afterbody and keep away from one side of organism (1) head, afterbody fixed mounting at organism (1) has mounting bracket (2), counter weight (13) detachable fixed mounting is on mounting bracket (2), when hoisting rope (32) and counter weight (13) fixed connection, and mast (11) rotate to make support piece (3) in the projection on organism (1) with organism (1) afterbody adjacent position department when, counter weight (13) and mounting bracket (2) closely laminate.

2. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 1, characterized in that: the cross section of the mast (11) is square, when the mast (11) rotates to a horizontal position, the supporting piece (3) is fixedly arranged on the vertical side surface of the mast (11), and the two vertical side surfaces of the mast (11) are both fixedly provided with the supporting piece (3).

3. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 2, characterized in that: the upper surface of counter weight (13) be the rectangle, fixed mounting has two lugs (21) on the upper surface of counter weight (13), lug (21) set up along the central line of the minor face of counter weight (13) top surface, lug (21) are located the both sides of the central point of counter weight (13) top surface respectively, and the distance between the central point of lug (21) and counter weight (13) top surface equals.

4. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 3, characterized in that: when the mast (11) rotates to enable the supporting member (3) to be positioned right above the counterweight (13), the projection of the supporting member (3) on the top surface of the counterweight (13) is positioned between the two lifting lugs (21) on the top surface of the counterweight (13).

5. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 1, characterized in that: mounting bracket (2) on fixed mounting have horizontally mounting panel (41), seted up mounting groove (4) on counter weight (13) are close to the side of organism (1), the distance between the inboard top surface of mounting groove (4) and the bottom surface is greater than the thickness of mounting panel (41), mounting panel (41) can inlay and establish in mounting groove (4), when counter weight (13) remove to the position department adjacent with organism (1) position, mounting panel (41) and the inboard bottom surface laminating of mounting groove (4).

6. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 5, wherein: and a reinforcing rib plate (42) is fixedly arranged between the upper side of the mounting plate (41) and the machine body (1), and both the reinforcing rib plate (42) and the mounting plate (41) can be embedded in the mounting groove (4).

7. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 1, characterized in that: and a winding piece (31) is fixedly arranged on the mast (11), and the distance between the winding piece (31) and the support piece (3) is less than the length of the hoisting rope (32).

8. The counterweight self-loading and unloading structure of the rotary drilling rig according to claim 1, characterized in that: the area of the top surface of the counterweight (13) is smaller than that of the bottom surface.