CN206065486U - A kind of rig and its unit head - Google Patents

Abstract

The utility model discloses a kind of unit head, including the internal key set being set on drilling rod, wherein, the internal key set is bolted in power head box, and is arranged with the outside of bolt for increasing the bolt sleeve of bolt strength, and the bolt sleeve is fixed on internal key and puts.Consideration is have also been made in design gaps, so largely avoiding the probability that bolt is cut off, that is, the problem that bolt is cut off is alleviated.The invention also discloses a kind of rig with above-mentioned unit head.

Description

A kind of rig and its unit head

Technical field

This utility model is related to rig technical field of tools, specifically, is to be related to a kind of rig and its unit head.

Background technology

Unit head is to realize main motion and feed motion, and has the power part of automatic workpiece circulation, is that comparison is simple A single variable transmission mechanism, form are varied, and ultimate principle is exactly that motor drives a gear shift, Ke Yishi The functions such as existing boring, milling, drilling, have with guide rail, can be with the linear motion of small range.

The drilling rod of existing unit head is positioned on casing by being set in the internal key set on the outside of drilling rod.But, for interior The fixed form of key set is fixed by bolt merely, and when being impacted, bolt Jing is often cut off, and this causes to need to change internal key set When, the working difficult point for being disassembled into maximum of bolt.

Therefore, how a kind of unit head is provided, to alleviate the problem that bolt is easily cut off, is that those skilled in the art need at present Technical problem to be solved.

Utility model content

In view of this, this utility model provides a kind of unit head, to alleviate the problem that bolt is easily cut off.This utility model Additionally provide a kind of rig with above-mentioned unit head.

For achieving the above object, this utility model provides following technical scheme：

A kind of unit head, including the internal key set being set on drilling rod, wherein, the internal key set is bolted on power On head case body, and it is arranged with the outside of the bolt for increasing the bolt sleeve of the bolt strength, the bolt sleeve is fixed On internal key set.

Preferably, in above-mentioned unit head, the lower end of the drilling rod is positioned on the casing by bearing, the drilling rod Upper end be positioned on the casing by pivoting support, the bearing and the pivoting support be set in outside the drilling rod The internal key set of side coordinates realizes positioning.

Preferably, in above-mentioned unit head, also including being arranged between the drilling rod and amortisseur for the drilling rod The keeper of positioning.

Preferably, in above-mentioned unit head, also include for blocking the first end cap of the driving gear in power head box With for blocking the second end cap of driven gear in power head box, first end cap and second end cap are and casing Main body is detachably connected and forms the power head box of sealing.

Preferably, in above-mentioned unit head, first end cap includes the first upper end cover and the first bottom end cover, described first Upper end cover is located at the upper end of the casing main body, and first bottom end cover is located at the lower end of the casing main body.

Preferably, in above-mentioned unit head, second end cap includes the second upper end cover and the second bottom end cover, described second Upper end cover is located at the upper end of the casing main body, and second bottom end cover is located at the lower end of the casing main body.

A kind of rig, including unit head, wherein, the unit head is the unit head as described in above-mentioned any one.

Understand via above-mentioned technical scheme, the utility model discloses a kind of unit head, including being set on drilling rod Internal key set, wherein, the internal key set is bolted in power head box, and is arranged with the outside of bolt for increasing spiral shell The bolt sleeve of bolt intensity, the bolt sleeve are fixed on internal key and put.Consideration is have also been made in design gaps, so largely keeping away Exempt from the probability that bolt is cut off, that is, alleviate the problem that bolt is cut off.

Description of the drawings

In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment Or accompanying drawing to be used is briefly described needed for description of the prior art, it should be apparent that, drawings in the following description are only It is embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also Other accompanying drawings can be obtained according to the accompanying drawing for providing.

The structural representation of the unit head that Fig. 1 is provided for this utility model embodiment；

The internal key of the unit head that Fig. 2 is provided for this utility model embodiment covers the structural representation of part；

The structural representation of the geared portions that Fig. 3 is provided for this utility model embodiment.

Specific embodiment

Core of the present utility model is to provide a kind of unit head, to alleviate the problem that bolt is easily cut off.It is of the present utility model Another core there is provided a kind of rig with above-mentioned unit head.

Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of this utility model protection.

As shown in Figure 1-Figure 3, the utility model discloses a kind of unit head, covers 4 including the internal key being set on drilling rod, its In, the internal key set 4 is bolted in power head box 1, and is arranged with the outside of bolt for increasing bolt strength Bolt sleeve, the bolt sleeve be fixed on internal key set 4 on.Consideration is have also been made in design gaps, so largely avoiding The probability that bolt is cut off, that is, alleviate the problem that bolt is cut off.

The lower end of drilling rod is positioned in power head box 1 by bearing 2, and the upper end of drilling rod is positioned at by pivoting support 3 In power head box 1.The lower end of drilling rod is positioned using bearing 2, due to the high precision of the ratio of precision pivoting support 3 of bearing 2, because This, can improve the Position location accuracy of drilling rod, reduce inclined problem, so as to prevent damage of the drilling rod to lip-type packing, delay The problem revealed is solved.

Specifically, internal key set 4 is arranged with the outside of drilling rod, above-mentioned bearing 2 and pivoting support 3 are coordinated with internal key set 4 Positioning, realizes the positioning to drilling rod.

In further embodiment, also including the positioning being arranged between drilling rod and amortisseur 5 for positioning to drilling rod Part, the specific keeper are spline.The effect for increasing spline is that drilling rod is further positioned, and prevents drilling rod from inclining. To solve to incline the phenomenon for causing that the lip-type packing of unit head rotary shaft damages due to drilling rod, take lengthening internal key set 4 and The measure of drilling rod contact length, to righting drilling rod, reduces its angle of inclination, reduces the lip-type packing of rotary shaft to greatest extent Fault rate.

In order to further improve the locating effect of spline, spline is set to along the axially extending of drilling rod in the application, with Increase spline and the contact area of drilling rod, improve the accuracy of positioning.

In practice, the spline and the contact surface of drilling rod may be configured as the arcwall face fitted with the outer surface of drilling rod, to enter One step improves locating effect.

Additionally, power head box 1 includes casing main body and the driving gear in casing main body, driven gear, which is also Including for blocking first end cap and the second end cap for blocking driven gear of driving gear, the first end cap and the second end cap Sealed motive force head case body 1 is detachably connected and is formed with casing main body.End cap is divided in the application the of driving gear side One end cap and the second end cap of driven gear side, therefore, in the driving gear part to box house or driven gear portion During maintenance, only the dismounting of corresponding end cap can be keeped in repair, without whole end cap is dismantled, so as to avoid to not having There is the break-in again of damaged location, it is ensured that there is no the required precision of broken parts, improve the work efficiency of maintenance.

In further embodiment, the first end cap includes the first upper end cover 6 and the first bottom end cover, and the first upper end cover 6 Positioned at the upper end of casing main body, the first bottom end cover is located at the lower end of casing main body.Arranged using upper end cover and lower end cover split-type, Further corresponding position is keeped in repair, without dismantling again elsewhere, the work of integral disassembly, assembly is further avoid Intensity and where reducing and redefining precision, improves the work efficiency of maintenance.

In further embodiment, the second end cap includes the second upper end cover and the second bottom end cover 7, wherein, the second upper end Positioned at the upper end of casing main body, the second bottom end cover 7 is located at the lower end of casing main body to lid, and the first upper end cover 6 and the second upper end cover are altogether The same upper end cover for forming casing main body, the second bottom end cover 7 and the first bottom end cover are collectively forming the bottom end cover of casing main body.The application Core be that the upper end cover and bottom end cover of power head box 1 are disposed as the structure of split, to box house structure tie up When repairing or changing, the end cap of corresponding part is only opened.

Additionally, disclosed herein as well is a kind of rig, which includes unit head, and the unit head is such as public affairs in above-mentioned embodiment The unit head opened, therefore, the rig with the unit head also has above-mentioned all technique effects, and this is no longer going to repeat them.

In this specification, each embodiment is described by the way of progressive, and what each embodiment was stressed is and other The difference of embodiment, between each embodiment identical similar portion mutually referring to.

The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or use that this practicality is new Type.Various modifications to these embodiments will be apparent for those skilled in the art, determined herein The General Principle of justice can be realized in the case of without departing from spirit or scope of the present utility model in other embodiments.Cause This, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The most wide scope consistent with features of novelty.

Claims (7)

1. a kind of unit head, including the internal key set (4) being set on drilling rod, it is characterised in that the internal key set (4) is by bolt It is fixed in power head box (1), and is arranged with the outside of the bolt for increasing the bolt sleeve of the bolt strength, institute State bolt sleeve to be fixed on the internal key set (4).

2. unit head according to claim 1, it is characterised in that the lower end of the drilling rod is positioned at institute by bearing (2) State on casing, the upper end of the drilling rod is positioned on the casing by pivoting support (3), the bearing (2) and the revolution Supporting (3) is coordinated with the internal key set (4) being set on the outside of the drilling rod realizes positioning.

3. unit head according to claim 1, it is characterised in that also including be arranged on the drilling rod and amortisseur (5) it Between for the keeper that positions to the drilling rod.

4. unit head according to claim 1, it is characterised in that also include for blocking the driving tooth in power head box First end cap and the second end cap for blocking the driven gear in power head box of wheel, first end cap and described second End cap is detachably connected with casing main body and forms the power head box (1) of sealing.

5. unit head according to claim 4, it is characterised in that first end cap includes the first upper end cover (6) and One bottom end cover, first upper end cover (6) are located at the casing master positioned at the upper end of the casing main body, first bottom end cover The lower end of body.

6. unit head according to claim 4, it is characterised in that second end cap is included under the second upper end cover and second End cap (7), second upper end cover are located at the upper end of the casing main body, and second bottom end cover (7) is positioned at the casing master The lower end of body.

7. a kind of rig, including unit head, it is characterised in that the unit head is dynamic as described in any one of claim 1-6 Power head.