CN218968602U

CN218968602U - Special lifting appliance

Info

Publication number: CN218968602U
Application number: CN202223213321.9U
Authority: CN
Inventors: 晏中俊; 杨光; 王宗金; 刘全辉; 王文忠; 亓燕秋; 刘伟军; 郑立锋; 李奕; 王忠建; 王赛; 郭厚财; 李浩然; 杨波
Original assignee: Shaanxi Yanchang Petroleum Yulin Kekegai Coal Industry Co ltd; China Coal Special Drilling Engineering Co ltd; China Coal No 3 Construction Group Co Ltd
Current assignee: Shaanxi Yanchang Petroleum Yulin Kekegai Coal Industry Co ltd; China Coal Special Drilling Engineering Co ltd; China Coal No 3 Construction Group Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-05
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a special lifting appliance which comprises an upper winch support, a lower claw locking disc and an anti-rotation inserting plate. The upper winch support of the lifting appliance can be connected with the hook head of the MG600t gantry crane through a pin shaft. The lower claw locking disc is rotationally connected to the bottom of the upper winch, the lower claw locking disc is a cylinder, a groove is formed in the lower side of the lower claw locking disc, a convex lug is arranged on the upper portion of the drilling tool, and the lug of the drilling tool can penetrate through the groove to enter the lower claw locking disc to achieve rotational connection. The anti-rotation plugboard is inserted on the lower jaw locking disc and used for limiting the drilling tool positioned in the lower jaw locking disc to rotate. Therefore, the MG600t gantry crane hook head is reliably connected with the drilling tool through the special lifting tool, and the traditional steel wire rope and shackle binding hanging mode is replaced, so that the novel gantry crane hook head has the advantages of being high in safety coefficient, compact in structure, convenient to use and long in service life.

Description

Special lifting appliance

Technical Field

The utility model relates to the field of drilling construction equipment, in particular to a special lifting appliance.

Background

In the drilling method construction, the drilling tool is an important component, the drilling tool is required to be frequently and integrally lifted, the weight of the drilling tool is large and is up to 500t at present, lifting equipment is an MG600t gantry crane, and how to safely and reliably lift the drilling tool and the hook head of the MG600t gantry crane is extremely important. The method is limited by the maximum lifting height of the MG600t gantry crane and the height of the drilling tool, the length of a hanging rigging is required to be as short as possible, meanwhile, the upper part of the drilling tool is not provided with a hanging point, if a traditional steel wire rope and shackle binding hanging mode is adopted, the steel wire rope bearing, steel wire rope length and binding mode are difficult to realize, and the traditional hanging mode has the defects of low safety coefficient, compact structure, inconvenient use and short service life.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide the special lifting appliance which comprises the upper winch support, the lower claw locking disc and the anti-rotation plugboard for preventing the lower claw locking disc from rotating relative to the drilling tool after being connected, and the special lifting appliance is used for connecting the hook head of the crane and the drilling tool, so that the effects of high safety coefficient, compact structure, convenience in use and long service life are achieved.

In order to achieve the above purpose, the utility model adopts the following design scheme:

a special lifting appliance is characterized by comprising an upper winch support, a lower claw locking disc and an anti-rotation inserting plate. The upper part of the upper winch support is U-shaped and is used for being connected with a hook head of a crane, and two end lug plates of the U-shaped are provided with hole grooves. The lower jaw locking disc is rotationally connected to the bottom of the upper twisting support, the lower jaw locking disc is a cylinder body, a bulge is arranged in the lower side of the lower jaw locking disc, a groove is formed in the part, which is not bulged, of the lower jaw locking disc 4, a bulge protruding block is arranged on the upper portion of the drilling tool, and the bulge can penetrate through the groove to enter the lower jaw locking disc. The anti-rotation plugboard is inserted on the lower jaw locking disc and used for limiting the drilling tool in the lower jaw locking disc to rotate.

Furthermore, the special lifting appliance further comprises an anti-rotation structure used for limiting an anti-rotation plugboard inserted on the lower jaw locking disc.

Further, the anti-rotation structure comprises a screw hole formed in the lower claw locking disc, a screw rod is spirally arranged in the screw hole, and one end of the screw rod abuts against the anti-rotation inserting plate in a screwing mode.

Further, the anti-rotation inserting plate is arranged on the lower jaw locking plate in a penetrating mode from top to bottom, and the screw hole is formed in the side face of the lower jaw locking plate and perpendicular to the anti-rotation inserting plate.

Further, a connecting pipe is detachably connected to the bottom of the upper winch support, and the lower claw locking disc is rotatably connected with the connecting pipe.

Further, an annular boss is arranged on the outer side of the lower part of the connecting pipe; the inner side of the upper part of the lower claw locking disc is provided with a shaft shoulder matched with the annular boss, and the shaft shoulder is in limit fit with the annular boss and used for limiting the relative movement of the connecting pipe and the lower claw locking disc in the vertical direction.

Further, a pin shaft is arranged on the upper portion of the upper hinge support in a penetrating mode, and a groove is formed in the end portion of the pin shaft. And a limiting plate is arranged on the outer side of the lug plate of the upper hinge support, and one side of the limiting plate is clamped in the pin shaft groove.

The beneficial effects of the utility model are as follows:

according to the special lifting tool, the hook head of the MG600t gantry crane is reliably connected with the drilling tool through the special lifting tool, and a traditional mode of binding and hanging by using a steel wire rope and a shackle is replaced, so that the special lifting tool has the advantages of being high in safety coefficient, compact in structure, convenient to use and long in service life.

Drawings

FIG. 1 is a side view of the left and right equiangular axes of the present utility model;

FIG. 2 is a cross-sectional view of the front elevation view of FIG. 1;

FIG. 3 is a combined cross-sectional view of a front view of the present utility model;

FIG. 4 is a rear elevation view of the assembled combination of the present utility model;

fig. 5 is a bottom view of the lower jaw locking plate of the present utility model.

Reference numerals illustrate: 1. a twisting support is arranged; 2. a pin shaft; 3. a connecting pipe; 4. a lower claw locking disc; 5. an anti-rotation plugboard; 6. drilling tool; 7. a screw; 11. ear plates; 12. a limiting plate; 21. a groove; 31. an annular boss; 41. a groove; 42. a shaft shoulder; 43. an anti-rotation groove; 44. a screw hole; 111. and a hole groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

See fig. 1 to 5.

A special lifting appliance is characterized by comprising an upper winch support 1, a lower claw locking disc 4 and an anti-rotation inserting plate 5.

The upper part of the upper winch support 1 is U-shaped and is used for being connected with a crane hook, and the ear plates 11 at the two ends of the U-shaped are provided with hole grooves 111.

The lower jaw locking disc 4 is rotatably connected to the bottom of the upper winch support 1, the lower jaw locking disc 4 is a cylinder, a protrusion is arranged in the lower side of the lower jaw locking disc 4, a groove 41 is formed in the non-protruding portion of the lower jaw locking disc 4, a protruding lug 61 is arranged on the upper portion of the drilling tool 6, and the protruding lug 61 can penetrate through the groove 41 to enter the lower jaw locking disc 4. The anti-rotation plugboard 5 is inserted on the lower jaw locking disk 4 and is used for limiting the drilling tool 6 positioned in the lower jaw locking disk 4 to rotate. By the design, the drilling tool 6 can be matched and connected with the lower jaw locking disc 4 quickly before use, and the drilling tool 6 and the lower jaw locking disc 4 can be locked during use, so that reliable connection is realized.

In an embodiment, the anti-rotation structure is further included to limit the anti-rotation insert plate 5 inserted on the lower jaw locking disc 4.

In an embodiment, the anti-rotation structure comprises an anti-rotation groove 43 formed in the lower jaw locking plate 4 and a screw hole 44, the anti-rotation insert plate 5 is inserted in the lower jaw locking plate 4 through the anti-rotation groove 43, a screw rod 7 is spirally arranged in the screw hole 44, and one end of the screw rod 7 abuts against the anti-rotation insert plate 5 in a screwing mode. By this design, the anti-rotation insert plate 5 can be prevented from moving up and down in the corresponding anti-rotation groove 43, so that the drilling tool 6 and the lower jaw locking plate 4 are locked more reliably in use.

In an embodiment, the anti-rotation insert plate 5 is disposed on the lower jaw locking plate 4 in a penetrating manner from top to bottom, the screw hole 44 is formed on a side surface of the lower jaw locking plate 4 and is perpendicular to the anti-rotation insert plate 5, and the vertical design makes the locking more firm.

In an embodiment, the connecting pipe 3 is detachably connected to the bottom of the upper hinge 1, and the lower jaw locking disc 4 is rotatably connected to the connecting pipe 3, so that when the size of the part of the drilling tool 6 connected to the lower jaw locking disc 4 is different, the lower jaw locking disc 4 and the connecting pipe 3 with different sizes can be replaced and matched, without integral replacement, only part of the parts can be replaced, and the installation and the use in different scenes are facilitated.

In specific implementation, the connecting pipe 3 is connected with the upper hinge support 1 by adopting trapezoidal threads.

In one embodiment, the lower outer side of the connecting pipe 3 is provided with an annular boss 31; the inner side of the upper part of the lower jaw locking disc 4 is provided with a shaft shoulder 42 matched with the annular boss 31, and the shaft shoulder 42 is in limit fit with the annular boss 31 and used for limiting the relative movement of the connecting pipe 3 and the lower jaw locking disc 4 in the vertical direction. By means of the design, the lower jaw locking disc 4 can only penetrate into the connecting pipe 3 from bottom to top, so that the connecting pipe 3 can hoist the lower jaw locking disc 4 when in use, the lower jaw locking disc 4 cannot fall down, and safety and reliability are improved.

In an embodiment, a pin shaft 2 is arranged on the upper portion of the upper hinge support 1 in a penetrating manner, and a groove 21 is formed in the end portion of the pin shaft 2. The outer side of the lug plate 11 of the upper hinge support 1 is provided with a limiting plate 12, and one side of the limiting plate 12 is clamped in the groove 21 of the pin shaft 2. By means of the design, the hook head of the crane can hook the pin shaft 2, so that the upper winch support 1, the connecting pipe 3, the lower claw locking disc 4 and the drilling tool are driven to move and carry out loading, the limiting plate 12 can also prevent the pin shaft 2 from falling off from the upper winch support 1, and safety and effectiveness in the loading process can be guaranteed.

It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present utility model, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.

Claims

1. The special lifting appliance is characterized by comprising an upper winch support (1), a lower claw locking disc (4) and an anti-rotation inserting plate (5);

the upper part of the upper winch support (1) is U-shaped and is used for being connected with a crane hook, and two end lug plates (11) of the U-shaped are provided with hole grooves (111);

the lower jaw locking disc (4) is rotatably connected to the bottom of the upper winch support (1), the lower jaw locking disc (4) is a cylinder, the inner part of the lower side of the lower jaw locking disc (4) is outwards protruded, a groove (41) is formed in the non-protruded part of the lower jaw locking disc (4), a protruded lug (61) is arranged at the upper part of the drilling tool (6), and the lug (61) can penetrate through the groove (41) to enter the lower jaw locking disc (4);

the anti-rotation plugboard (5) is inserted on the lower jaw locking disc (4) and used for limiting the drilling tool (6) positioned in the lower jaw locking disc (4) to rotate.

2. The special lifting appliance according to claim 1, further comprising an anti-rotation structure for limiting an anti-rotation insert plate (5) inserted on the lower jaw locking plate (4).

3. The special lifting appliance according to claim 2, wherein the anti-rotation structure comprises a screw hole (44) formed in the lower jaw locking disc (4), the screw hole (44) is spirally provided with a screw rod (7), and one end of the screw rod (7) abuts against the anti-rotation inserting plate (5) in a screwing mode.

4. A special lifting appliance according to claim 3, characterized in that the anti-rotation insert plate (5) is arranged on the lower jaw locking plate (4) in a penetrating way from top to bottom, and the screw hole (44) is arranged on the side surface of the lower jaw locking plate (4) and is perpendicular to the anti-rotation insert plate (5).

5. The special lifting appliance according to any one of claims 1 to 4, characterized in that a connecting pipe (3) is detachably connected to the bottom of the upper winch (1), and the lower jaw locking disc (4) is rotatably connected to the connecting pipe (3).

6. The special lifting appliance according to claim 5, characterized in that the lower outer side of the connecting pipe (3) is provided with an annular boss (31); the inner side of the upper part of the lower jaw locking disc (4) is provided with a shaft shoulder (42) matched with the annular boss (31), and the shaft shoulder (42) is in limit fit with the annular boss (31) and used for limiting the relative movement of the connecting pipe (3) and the lower jaw locking disc (4) in the vertical direction.

7. The special lifting appliance according to any one of claims 1 to 4, wherein a pin shaft (2) is arranged on the upper part of the upper winch support (1) in a penetrating manner, and a groove (21) is arranged at the end part of the pin shaft (2);

the outer side of the lug plate (11) of the upper hinge support (1) is provided with a limiting plate (12), and one side of the limiting plate (12) is clamped in the groove (21) of the pin shaft (2).