CN210622700U - Vertical shaft type engineering drilling machine gyrator structure - Google Patents

Abstract

The utility model discloses a vertical shaft formula engineering driller gyrator structure, including vertical scroll (12) and initiative drilling rod (1), initiative drilling rod clearance fit sets up in the vertical scroll, ring flange (13) are connected in the lower extreme cooperation of vertical scroll, go up ring flange fixed connection lower flange (14), and the lower part and the initiative drilling rod cooperation of lower flange are connected. The utility model discloses saved the takeover and the uide bushing of current gyrator structure, pass through the vertical scroll with the power of cross axle transmission, go up the ring flange, the initiative drilling rod is transmitted to the lower ring flange, make the vertical scroll no longer be responsible for directly passing to turn round to the initiative drilling rod like this, vertical scroll life obtains the extension, even upper and lower ring flange takes place to damage and also dismantles easily, low in production cost, more make gyrator overall structure simplify, the assembly degree of difficulty has been reduced, rig assembly reliability and efficiency have been improved, and production cost is reduced.

Description

Vertical shaft type engineering drilling machine gyrator structure

Technical Field

The utility model relates to a vertical shaft type engineering rig, concretely relates to vertical shaft type engineering rig gyrator structure.

Background

The gyrator is used for transmitting power to make the drilling tool (the driving drill rod) perform gyratory motion at different rotating speeds and torques. It is located at the end of the mechanical transmission system of the drilling machine and is one of the main executing mechanisms for rotary drilling. The vertical shaft is an important part of the gyrator and is a direct part for transmitting torque and axial force to the active drill rod in rotary drilling. The vertical shaft always has torsional stress, tensile (compression) stress and bending stress at the same time, so the performance of the gyrator is directly influenced by the quality of the vertical shaft structure.

The structure form of a gyrator of a vertical shaft type engineering drilling machine commonly used in the market at present is shown in figure 1. The power machine transmits power to a small bevel gear 6 at the right end of a transverse shaft 7 through a transmission device, and the small bevel gear 6 is meshed with a driven bevel gear 5 in the gyrator body. The driven bevel gear 5 is matched with the core pipe 8 by a key 4, and the inner hole of the core pipe is matched with the outer hexagonal vertical shaft 3 by an inner hexagon. And the upper part of the vertical shaft 3 is connected with the connecting pipe 2 through left-hand threads. The inner hole of the connecting pipe 2 is matched with the flat active drill rod 1 by using a flat square, so that the rotation of the active drill rod 1 is realized. The lower part of the vertical shaft 3 is connected with an upper flange 10, a lower flange 11 and a guide sleeve 9 to guide the active drill rod 1.

The gyrator is complex in structure, a special tool is needed when the connecting pipe 2 and the vertical shaft 3 are assembled, the assembly is difficult, and after the gyrator is used for a long time, the more the screw threads of the connecting pipe 2 and the vertical shaft 3 are screwed, the phenomenon of seizure is easy to occur, and the disassembly and maintenance are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that it is not enough to overcome prior art, provide a structure is simpler, and the assembly is more convenient, maintains simple vertical shaft type engineering driller gyrator structure.

In order to solve the technical problem, the utility model provides a vertical shaft type engineering driller gyrator structure, including vertical scroll and initiative drilling rod, initiative drilling rod clearance fit sets up in the vertical scroll, the ring flange is connected in the lower extreme cooperation of vertical scroll, goes up ring flange fixed connection lower ring flange, and the lower part and the initiative drilling rod cooperation of lower ring flange are connected.

Furthermore, the periphery of the vertical shaft is of an outer hexagonal structure, an inner hexagonal hole is formed in the middle of the upper flange, and the outer cubic structure of the vertical shaft is matched with the inner hexagonal hole of the upper flange.

Furthermore, the upper flange plate and the lower flange plate are connected through bolts, and concave-convex matching structures for transmitting torque are respectively arranged on matching surfaces of the upper flange plate and the lower flange plate.

Furthermore, the concave-convex matching structure comprises a convex block arranged on the lower surface of the upper flange plate and a groove arranged on the upper surface of the lower flange plate, and when the upper flange plate is fixedly connected with the lower flange plate, the convex block is clamped in the groove.

Furthermore, the vertical shaft type engineering drilling machine gyrator structure further comprises a cross shaft connected with the power machine, the end part of the cross shaft is connected with the core pipe in a matched mode through a bevel gear, and the vertical shaft is arranged in the core pipe in a matched mode.

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

1. the vertical shaft is not responsible for directly transmitting torque to the driving drill rod any more, so that the service life is prolonged, and even the vertical shaft does not need to be replaced for the whole life;

2. the whole structure is simplified, the assembly difficulty is reduced, the assembly reliability and efficiency of the drilling machine are improved, and the production cost is reduced;

3. the upper flange plate and the lower flange plate adopt a concave-convex matching structure to transmit torque, so that the torque transmission capability is enhanced, and the performance of the drilling machine is improved;

4. utilize in the current gyrator structure relatively to take over the transmission moment of torsion, not only take over for vulnerable part, and "sting" easily with the vertical scroll, dismantle the maintenance difficulty, the utility model discloses an upper and lower flange is responsible for the transmission and turns round, and it is easy to dismantle after damaging, and manufacturing cost is than taking over low 50% to the use cost of rig has been reduced.

Drawings

Fig. 1 is a schematic structural diagram of a gyrator of a conventional vertical shaft type engineering drilling machine.

Fig. 2 is the structure schematic diagram of the vertical shaft type engineering driller gyrator of the utility model.

Fig. 3 is a schematic view of the structure of the active drill rod of the present invention.

Fig. 4 is a sectional view a-a of fig. 3.

Fig. 5 is a schematic view of the whole vertical shaft structure of the present invention.

Fig. 6 is a sectional view B-B of fig. 5.

Fig. 7 is a schematic view of the structure of the upper flange plate of the present invention.

Fig. 8 is a right side view of fig. 7.

Fig. 9 is a schematic view of the lower flange structure of the present invention.

Fig. 10 is a left side view of fig. 9.

In the figure: 1-driving drill rod, 2-connecting pipe, 3-vertical shaft, 4-key, 5-driven bevel gear and 6-small bevel gear

7-transverse shaft, 8-core tube, 9-guide sleeve, 10-upper flange, 11-lower flange, 12-integral vertical shaft, 13-upper flange, 14-lower flange, 131-lug, 141-groove.

Detailed Description

The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.

For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.

Example 1:

as shown in fig. 2-10, an embodiment of the present invention of a vertical shaft type engineering driller gyrator structure includes a vertical shaft 12 and a kelly 1, the vertical shaft 12 is a hollow vertical shaft with an external hexagonal structure, and the kelly 1 is disposed in an inner hole of the vertical shaft 12 in a clearance fit manner. The lower part of the vertical shaft is arranged in an inner hexagonal hole in the middle of an upper flange 13 in a matching way through an outer cubic structure, the lower surface of the upper flange 13 is connected with a lower flange 14 through bolts, and concave-convex matching structures for transmitting torque are respectively arranged on the matching surfaces of the upper flange 13 and the lower flange 14. An inner hole matched with the driving drill rod 1 is formed in the middle of the lower flange 14, and the driving drill rod 1 is matched and connected with the inner hole of the lower flange 14 to achieve torque transmission.

The concave-convex matching structure of the upper and lower flanges 13, 14 comprises a convex block 131 arranged on the lower surface of the upper flange 13 and a groove 141 arranged on the upper surface of the lower flange 14, and the convex block 131 is clamped in the groove 141.

Therefore, the utility model discloses vertical shaft type engineering driller gyrator structure is at the rig during operation, and the engine passes through transmission with power and passes to the small circle bevel gear 6 of cross axle 7 right-hand member, and small circle bevel gear 6 meshes with the internal driven bevel gear 5 of gyrator. The driven bevel gear 5 is matched with the core pipe 8 by a key 4, and an inner hole of the core pipe 8 is matched with an integral vertical shaft 12 with an inner hexagon and an outer hexagon. The lower part of the integral vertical shaft 12 is matched with the inner hexagon of the upper flange 13 through the outer hexagon. The lower flange plate 14 is connected with the upper flange plate 13 through bolts, and the inner hole of the lower flange plate 14 is in flat square fit with the driving drill rod 1, so that the torque is transmitted to the driving drill rod 1 from the power machine.

The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.

Claims (5)

1. A vertical shaft type engineering drilling machine gyrator structure comprises a vertical shaft (12) and a driving drill rod (1), and is characterized in that the driving drill rod is arranged in the vertical shaft in a clearance fit mode, the lower end of the vertical shaft is connected with an upper flange plate (13) in a fit mode, the upper flange plate is fixedly connected with a lower flange plate (14), and the lower portion of the lower flange plate is connected with the driving drill rod in a fit mode.

2. The vertical shaft type engineering driller gyrator structure according to claim 1, wherein the outer periphery of the vertical shaft is arranged to be an outer hexagonal structure, the middle part of the upper flange is provided with an inner hexagonal hole, and the outer cubic structure of the vertical shaft is matched with the inner hexagonal hole of the upper flange.

3. The vertical shaft type engineering driller gyrator structure according to claim 1, wherein the upper and lower flanges are connected by bolts, and the matching surfaces of the upper and lower flanges are respectively provided with a concave-convex matching structure for transmitting torque.

4. The gyrator structure of a vertical shaft type engineering driller according to claim 3, characterized in that the concavo-convex fitting structure comprises a projection (131) provided on the lower surface of the upper flange and a groove (141) provided on the upper surface of the lower flange, and the projection is clamped in the groove when the upper flange is fixedly connected with the lower flange.

5. The vertical shaft type engineering driller gyrator structure according to claim 1, characterized in that the structure further comprises a cross shaft (7) connected with the power machine, the end of the cross shaft is connected with the core tube (8) through a bevel gear in a matching way, and the vertical shaft is arranged in the core tube in a matching way.

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