CN112096286A - Fixing device of pulley seat, rotary drilling rig and fixing method of power head - Google Patents

Abstract

The application discloses a fixing device of a pulley block, a rotary drilling rig and a fixing method of a power head, and relates to the technical field of rotary drilling rigs, wherein the fixing device of the pulley block comprises a pulley block body, a pulley block and a square pin; the sliding frame body is provided with a plurality of first guide grooves and a plurality of first square holes which are respectively arranged at two sides of the sliding frame body; the pulley seat is provided with two pulleys, and the pulley seat is arranged in the first guide groove; the square pins are arranged in the first square holes respectively, the square pins are inserted between the two pulleys, and the pulley seat is detachably fixed on the sliding frame body through the matching of the square pins and the two pulleys. So this application is through the cooperation of square pin and pulley holder, fixes pulley holder detachable on the balladeur train body, because the unit head is fixed on the pulley holder, and the balladeur train body is fixed on the mast of digging the rig soon, so this application has the advantage that realizes that the unit head can be convenient fixed and the purpose of dismouting.

Description

Fixing device of pulley seat, rotary drilling rig and fixing method of power head

Technical Field

The application relates to the technical field of rotary drilling rigs, in particular to a fixing device of a pulley seat, a rotary drilling rig and a fixing method of a power head.

Background

With the rapid development of economic construction in China, the market demand for engineering machinery, particularly various drilling machines, is increasing day by day. The construction process of modern building engineering generally starts with pile foundation construction, so that pile hole construction is particularly important, and the rotary drilling rig is increasingly and widely applied to pile hole operation under different geological conditions due to the advantages of high production efficiency and the like.

A typical rotary drilling rig comprises a travelling mechanism, a mast and a power head, wherein the power head is a main working component of the rotary drilling rig, the power head is generally mounted on a pulley block through a plurality of screws, and the pulley block is mounted on the rotary drilling rig through a pin shaft for use.

In the prior art, when the power head is disassembled, one method is to completely disassemble the bolts fixed between the power head and the pulley seat so as to replace the power head, which wastes time and labor and reduces the efficiency of engineering construction; the other method is to disassemble a pin shaft between the pulley seat and the rotary drilling rig and integrally disassemble the power head and the pulley seat, but in the using process, the pin shaft is easy to bend or have indentation after being stressed to cause shaft pulling difficulty and shaft hole matching disassembly and assembly difficulty.

Disclosure of Invention

The application aims to provide a fixing device of a pulley block, a rotary drilling rig and a fixing method of a power head, wherein the pulley block and a sliding frame body can be fixed together through a square pin, so that the power head can be detachably fixed on a mast.

The embodiment of the application is realized as follows:

a fixing device of a pulley seat comprises a pulley frame body, a pulley seat and a square pin; the sliding frame body is provided with a first guide groove and a plurality of first square holes which are respectively arranged at two sides of the sliding frame body; the pulley seat is provided with two pulleys, and the pulley seat is arranged in the first guide groove; and the square pins are arranged in a plurality of the first square holes respectively, the square pins are inserted between the two pulleys, and the pulley seats are detachably fixed on the sliding frame body through the matching of the square pins and the two pulleys.

In an embodiment, there are two first square holes and two square pins.

In an embodiment, a plurality of limiting blocks are arranged on the first guide groove and used for limiting the pulley seat.

In one embodiment, the fixing device of the pulley seat further comprises a clamping plate arranged on the outer surface of the pulley frame body; the square pin is provided with a first groove, and the clamping plate is matched with the first groove to limit the square pin.

In an embodiment, the fixing device of the pulley seat further includes a limiting plate, the limiting plate is disposed on the outer surface of the pulley body, a second groove is disposed on the limiting plate, and the clamping plate is disposed in the second groove.

In an embodiment, the limiting plate is provided with a third groove, and the square pin is disposed in the third groove.

In an embodiment, the limiting plate is provided with a plurality of first holes, and a plurality of screws are arranged in the first holes and used for limiting the movement of the clamping plate.

In one embodiment, a plurality of fourth grooves are formed in the sliding frame body, and a first stop block is arranged in each fourth groove; the first stop block is provided with a second guide groove, and the square pin is arranged in the second guide groove; the first guide slot has a first face, a plurality of third guide slots are arranged on the first face, the third guide slots are arranged on two sides of the first guide slot respectively, and the square pins are arranged in the third guide slots.

A rotary drilling rig comprises a mast, a fixing device of a pulley block and a power head, wherein the fixing device of the pulley block is the fixing device of the pulley block, and a sliding frame body is fixed on the mast; and the power head is connected to the pulley seat.

A power head fixing method is used, and comprises the following steps:

the pulley seat slides into the sliding frame body from top to bottom along the first guide groove and is in contact with the limiting block;

after the position of the pulley seat is limited, the square pin is inserted into the square hole;

after the square pin penetrates between the two pulleys and the first groove is aligned with the second groove, the clamping plate is arranged in the second groove;

and the clamping plate is fixed on the limiting plate through the screw.

Compared with the prior art, the beneficial effect of this application is:

the fixing device of pulley block of this application, through the cooperation of square pin and pulley block, fixes pulley block detachable on the balladeur train body, because the unit head is fixed on the pulley block, and the balladeur train body is fixed on the mast of digging the rig soon, so this application can realize convenient fixed and the dismouting of unit head.

In the fixing device of the pulley seat, the pulley seat and the sliding frame body are fixed through the square pin, so that the square pin and the sliding frame body are in surface contact, the stress is uniform, the reliability is good, the surface contact allows a certain gap, and the shaft pulling is easier.

According to the fixing device of the pulley seat, the U-shaped clamp plate groove is formed in the outer surface of the sliding frame body, so that the square pin can be prevented from moving, and the bolt is stressed; a limiting block is arranged in the first guide groove of the sliding frame body, so that the pulley seat can be aligned to the hole position conveniently, and the shaft can be conveniently penetrated.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a fixing device of a pulley seat according to an embodiment of the present application.

Fig. 2 is an enlarged view of a portion a of fig. 1 of the present application.

Fig. 3 is a schematic structural diagram of a fixing device of a pulley seat according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a rotary drilling rig according to an embodiment of the present application.

Fig. 5 is a flowchart illustrating a method for detaching a power head according to an embodiment of the present application.

Icon: 1-fixing device of pulley seat; 2-a sliding frame body; 21-a first guide groove; 210-a stopper; 211-a first side; 212-a third channel; 213-third stop; 22-a first square hole; 23-an outer surface; 24-a fourth groove; 241-a first stop; 242 — a second stop; 243-a second guide groove; 3-a pulley seat; 31-a pulley; 4-square pin; 41-a first groove; 5-a limiting plate; 51-a second groove; 52-a card board; 53-third groove; 54-a first aperture; 55-screws; 6, a rotary drilling rig; 61-mast; 62-Power head.

Detailed Description

The terms "first," "second," "third," and the like are used for descriptive purposes only and not for purposes of indicating or implying relative importance, and do not denote any order or order.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should be noted that the terms "inside", "outside", "left", "right", "upper", "lower", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when products of the application are used, and are used only for convenience in describing the application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application.

In the description of the present application, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 technical solution of the present application will be clearly and completely described below with reference to the accompanying drawings.

Please refer to fig. 1, which is a schematic structural diagram of a fixing device 1 of a pulley seat according to an embodiment of the present application. The fixing device 1 of the pulley seat comprises a sliding frame body 2, the pulley seat 3 and a square pin 4, wherein the sliding frame body 2 is provided with a first guide groove 21 and a plurality of first square holes 22, and the first square holes 22 are respectively arranged on two sides of the sliding frame body 2; the pulley seat 3 is arranged in the first guide groove 21, and two pulleys 31 are arranged on the pulley seat 3; the square pins 4 are arranged in a plurality of the first square holes 22 respectively, the square pins 4 are inserted between the two pulleys 31, and the pulley seat 3 is detachably fixed on the sliding frame body 2 through the matching of the square pins 4 and the two pulleys 31.

In this embodiment, two first square holes 22 are provided, and the two first square holes 22 are respectively provided at two sides of the carriage body 2. Therefore, two square pins 4 are also provided, and the two square pins 4 are respectively arranged in the two first square holes 22, so that the pulley holder 3 can be detachably fixed on the carriage body 2 through the matching with the pulley holder 3.

Be equipped with a plurality of stoppers 210 in the first guide slot 21, a plurality of stoppers 210 are equipped with the both sides of first guide slot 21 respectively, and when pulley seat 3 was slided into the carriage body 2, spacing through stopper 210. The shape of the limiting block 210 can be a cuboid, a hemisphere, a cylinder, etc., and in this embodiment, the limiting block 210 is a triangular prism.

Be equipped with fourth recess 24 on the carriage body 2, fourth recess 24 is equipped with a plurality ofly, and the both sides of carriage body 2 are located respectively to a plurality of fourth recesses 24, respectively are equipped with a first dog 241 in a plurality of fourth recesses 24, are equipped with second guide slot 243 on the first dog 241, and square pin 4 passes first square hole 22, locates in the second guide slot 243, is equipped with second dog 242 on the first dog, and second dog 242 is used for restricting square pin 4 and rocks around. The connection mode of the first stopper 241 and the second guide groove 243 can be riveting, hinging, connecting by a screw 55, welding and the like; the second stopper 242 and the first stopper 241 may be connected by riveting, hinging, screwing 55, welding, etc. In this example, the first stopper 241 is connected to the second guide groove 243 by welding, the second stopper 242 is connected to the first stopper 241 by welding, and the number of the fourth grooves 24 is two, so that the number of the first stopper 241 and the number of the second stopper 242 are also two.

The first guide groove 21 is provided with a first surface 211, the first surface 211 is provided with a plurality of third guide grooves 212, the third guide grooves 212 are respectively arranged at two sides of the first guide groove 21, the square pin 4 penetrates through the first square hole 22 and the second guide groove 243 and is arranged in the third guide groove 212, the third guide groove 212 is provided with a third stop block 213, and the third stop block 213 is used for limiting the square pin 4 to swing back and forth. The third block 213 may be connected to the first surface 211 by riveting, hinging, screwing 55, welding, etc., in this example, the third block 213 is connected to the first surface 211 by welding, and two third guide grooves 212 are provided.

In an operation process, the power head 62 (see fig. 4) and the mast 61 (see fig. 4) are fixed by the pulley seat 3 and the pulley body 2. The pulley seat 3 slides into the first guide groove 21 from top to bottom and contacts with the stopper 210. At this time, the gap between the two pulleys 31 is exactly aligned with the first square hole 22, and after the position of the pulley seat 3 is limited, the square pin 4 passes through the first square hole 22, the second guide groove 243 and the third guide groove 212 in sequence, and is finally inserted into the pulley seat 3 to fix the pulley seat 3.

Please refer to fig. 2, which is an enlarged view of a portion a of fig. 1 of the present application. The sliding frame body 2 is provided with an outer surface 23, a clamping plate 52 is arranged on the outer surface 23 of the sliding frame body 2, a first groove 41 is formed in the square pin 4, and the clamping plate 52 is matched with the first groove 41 to limit the square pin 4.

The sliding frame body 2 is provided with an outer surface 23, a limiting plate 5 is arranged on the outer surface 23 of the sliding frame body 2, a second groove 51 and a third groove 53 are arranged on the limiting plate 5, the opening direction of the second groove 51 is opposite to that of the first guide groove 21, the opening direction of the third groove 53 is the same as that of the first guide groove 21, the clamping plate 52 is arranged in the second groove 51, the square pin 4 is arranged in the third groove 53, and the clamping plate 52 is limited for the square pin 4 through the matching with the first groove 41 on the square pin 4. The shape of limiting plate 5 can be cuboid, triangular prism, U-shaped etc. and limiting plate 5 and the connected mode of balladeur train body 2 can be for riveting, articulated, and screw 55 is connected and welding etc.. In this example, the stopper plate 5 is U-shaped, and the stopper plate 5 is connected to the carriage body 2 by welding.

The limiting plate 5 is provided with a plurality of first holes 54, and screws 55 are arranged in the first holes 54 and used for limiting the clamping plate 52 to move left and right. In the present embodiment, two first holes 54 are provided.

In an operation process, after the square pin 4 is arranged at a proper position, the clamping plate 52 is arranged in the limiting plate 5. The catch plate 52 restricts the square pin 4 from rocking back and forth by engaging with the first groove 41 of the square pin 4. Meanwhile, the card board 52 is restricted from moving left and right by the second groove 51 of the restriction plate 5. The stopper plate 5 restricts the forward and backward movement of the chucking plate 52 by a screw 55. Since the left and right movement of the chucking plate 52 is restricted by the stopper plate 5, the screw 55 is protected.

In an operation process, the power head 62 (see fig. 4) and the mast 61 (see fig. 4) are disassembled by disassembling the pulley holder 3 (see fig. 1) and the carriage body 2. The screw 55 is first removed, the clamping plate 52 is then removed, the square pin 4 is then pulled out and finally the pulley block 3 is moved out of the carriage body 2.

The fixing device 1 of pulley seat of this application, through square pin 4 and pulley seat 3's cooperation, fixes pulley seat 3 detachable on the carriage body 2, so this application can realize pulley seat 3's convenient fixed and dismouting.

In the fixing device 1 of the pulley seat, the pulley seat 3 and the sliding frame body 2 are fixed through the square pin 4, so that the square pin 4 and the sliding frame body 2 are in surface contact, the stress is uniform, the reliability is good, the surface contact allows a certain gap, and the shaft pulling is easier.

According to the fixing device 1 of the pulley seat, the U-shaped clamping plate 52 groove is formed in the outer surface 23 of the sliding frame body 2, so that the square pin 4 can be prevented from moving, and the screw 55 is stressed; a limiting block 210 is arranged in the first guide groove 21 of the sliding frame body 2, so that the pulley seat 3 can be aligned to a hole position conveniently, and a shaft can be conveniently penetrated.

Please refer to fig. 3, which is a schematic structural diagram of a fixing device 1 of a pulley seat according to an embodiment of the present application. The fixing device 1 of the pulley seat comprises a pulley body 2 (please refer to fig. 1), a pulley seat 3 (please refer to fig. 1) and a square pin 4, wherein two pulleys 31 are arranged on the pulley seat 3; the square pin 4 is inserted between the two pulleys 31, and the pulley seat 3 is detachably fixed on the pulley body 2 through the cooperation of the square pin 4 and the two pulleys 31.

Please refer to fig. 4, which is a schematic structural diagram of a rotary drilling rig 6 according to an embodiment of the present application. The rotary drilling rig 6 comprises a mast 61, a fixing device 1 of a pulley block and a power head 62, wherein a sliding frame body 2 is fixed on the mast 61, and the power head 62 is connected to the pulley block 3.

The fixing device 1 of pulley block of this application, through the cooperation of square pin 4 with pulley block 3, fixes pulley block 3 detachable on the pulley block body 2, because unit head 62 fixes on pulley block 3, and the pulley block body 2 is fixed on the mast 61 of rotary drilling rig 6, so this application can realize convenient fixed and the dismouting of unit head 62.

Fig. 5 is a flowchart illustrating a method for fixing the power head 62 according to an embodiment of the present disclosure. The method can use the fixing device of the pulley seat 3 as shown in fig. 1, and the pulley seat 3 is detachably fixed on the sliding frame body 2 through the matching of the square pin 4 and the pulley seat 3, so that the power head 62 is fixed. The present method of securing the power head 62 may include the steps of:

step S101: the pulley seat 3 slides into the carriage body 2 from top to bottom along the first guide groove 21, and contacts with the stopper 210.

Step S102: after the position of the pulley seat 3 is limited, the square pin 4 is inserted into the pulley seat 3 after passing through the third groove 53, the first square hole 22, the second guide groove 243 and the third guide groove 212 on the limiting plate 5 in sequence.

Step S103: after the square pin 4 is inserted between the two pulleys 31 and the first groove 41 is aligned with the second groove 51, the clamping plate 52 is installed in the second groove 51.

Step S104: the chucking plate 52 is fixed to the stopper plate 5 by a screw 55.

It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A fixing device for a pulley seat, comprising:

the sliding frame body is provided with a first guide groove and a plurality of first square holes which are respectively arranged at two sides of the sliding frame body;

the pulley seat is provided with two pulleys, and the pulley seat is arranged in the first guide groove; and

the square pin is provided with a plurality of, and is a plurality of the square pin is located a plurality of respectively in the first square hole, the square pin is inserted and is put two between the pulley, the pulley seat passes through the square pin passes through with two the cooperation of pulley is fixed with dismantling on the sliding frame body.

2. The pulley seat fixing device according to claim 1, wherein there are two first square holes and two square pins.

3. The fixing device for the pulley seat according to claim 2, wherein the first guiding groove is provided with a plurality of limiting blocks for limiting the pulley seat.

4. The pulley seat fixing device according to claim 3, further comprising:

the clamping plate is arranged on the outer surface of the sliding frame body;

the square pin is provided with a first groove, and the clamping plate is matched with the first groove to limit the square pin.

5. The pulley seat fixing device according to claim 4, further comprising:

the limiting plate is arranged on the outer surface of the sliding frame body, a second groove is formed in the limiting plate, and the clamping plate is arranged in the second groove.

6. The pulley seat fixing device according to claim 5, wherein a third groove is formed on the limiting plate, and the square pin is disposed in the third groove.

7. The fixing device for the pulley seat according to claim 6, wherein the limiting plate has a plurality of first holes, and a plurality of screws are disposed in the first holes for limiting the movement of the clamping plate.

8. The pulley seat fixing device according to claim 7,

a plurality of fourth grooves are formed in the sliding frame body, and a first stop block is arranged in each fourth groove;

the first stop block is provided with a second guide groove, and the square pin is arranged in the second guide groove;

the first guide slot has a first face, a plurality of third guide slots are arranged on the first face, the third guide slots are arranged on two sides of the first guide slot respectively, and the square pins are arranged in the third guide slots.

9. A rotary drilling rig, characterized by comprising:

a mast;

the fixing device of the pulley seat is the fixing device of the pulley seat in claim 8, and the sliding frame body is fixed on the mast; and

and the power head is connected to the pulley seat.

10. A method of securing a powerhead, using the powerhead of claim 9, the method comprising:

the pulley seat slides into the sliding frame body from top to bottom along the first guide groove and is in contact with the limiting block;

after the position of the pulley seat is limited, the square pin is inserted into the square hole;

after the square pin penetrates between the two pulleys and the first groove is aligned with the second groove, the clamping plate is arranged in the second groove;

and the clamping plate is fixed on the limiting plate through the screw.

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