CN211734880U

CN211734880U - Guide rail for stepping rock drill

Info

Publication number: CN211734880U
Application number: CN202020137189.XU
Authority: CN
Inventors: 龚岗; 王立军; 陈勇; 王双卯; 张建堂; 龚建
Original assignee: Fute Intelligent Equipment Chongqing Co ltd
Current assignee: Fute Intelligent Equipment Chongqing Co ltd
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2020-10-23
Anticipated expiration: 2030-01-20

Abstract

The utility model discloses a guide rail for a stepping rock drill, which comprises a guide rail main body and a track; the guide rail is a structure with variable length formed by a base section and a lengthening section; an extension positioning structure and an extension locking mechanism are arranged between the basic section and the extension section; the foundation section and the extension section are connected through an inclined joint surface; the joint surface is gradually inclined outwards from top to bottom on the base section; the lengthening positioning structure is used for preventing the base section and the lengthening section from being staggered left and right and up and down. Preferably, the base section and the extension section are connected through two connecting plates; the lengthening locking mechanism is of an eccentric locking structure and is locked by the elastic force of a loading spring. The beneficial effects of the utility model are that, guide rail length can increase and decrease the adjustment according to the construction footage difference, and the extension back guide rail rigidity is good, intensity is high, connects reliably, and stability is good, safe in utilization.

Description

Guide rail for stepping rock drill

Technical Field

The utility model relates to a guide rail structure, especially a guide rail for step-by-step rock drill.

Background

A step-by-step rock drill is a mechanical rock drilling device for replacing manual rock drilling in tunnel construction, and the manual shouldering type pneumatic rock drill is arranged on a guide rail and is propelled in a step-by-step mode to realize rock drilling. Compared with large-scale special large-scale rock drilling equipment, the construction cost is low, the maintenance cost and the use cost are low, and the method is particularly suitable for tunnel construction of domestic construction teams. The length of the guide rail of the rock drilling machine is usually determined according to the requirements of a construction method, but in the actual construction process, the guide rails with different lengths are needed because the excavation footage is different. And the guide rail with fixed length can not meet the construction requirement of footage change. For this reason, a guide rail having an adjustable length is required.

Disclosure of Invention

The utility model aims at being exactly can not adjust to guide rail length for step-by-step rock drill among the prior art, application range receives the not enough of restriction, provides a guide rail for step-by-step rock drill, and this guide rail is length direction can connect the long structure to subtract the weak point or connect long according to the difference of excavation footage in tunnel construction, eliminate the application range restriction.

In order to achieve the above purpose, the present invention adopts the following technical solution.

A guide rail for a stepping rock drill comprises a guide rail main body and a track; the guide rail is a structure with variable length formed by a base section and a lengthening section; an extension positioning structure and an extension locking mechanism are arranged between the basic section and the extension section; the foundation section and the extension section are connected through an inclined joint surface; the joint surface is gradually inclined outwards from top to bottom on the base section; the lengthening positioning structure is used for preventing the base section and the lengthening section from being staggered left and right and from being staggered up and down.

Adopt aforementioned technical scheme the utility model discloses, this guide rail passes through basic section and connects the long section to form the integrated configuration that can prolong in length to subtract the weak point or connect long according to the difference of excavation footage in tunnel construction, eliminate the application range restriction. The rigidity of the guide rail joint part is ensured through the inclined joint surface, the two sections of guide rails after being lengthened are ensured not to be staggered through the positioning structure, the flexible operation of the drilling machine on the guide rails is ensured, the connection strength of the guide rail joint part is ensured through the locking mechanism, and the use reliability and the safety are improved.

Preferably, the rail is made of a circular tube; the lengthening positioning structure comprises a positioning column matched with a circular pipe inner hole of the track, one part of the positioning column is inserted into the circular pipe track pipe hole of the basic section, and the other part of the positioning column is inserted into the circular pipe track pipe hole of the lengthening section. The track is positioned by utilizing the self structure of the track, the structure is simplified and compact, and the manufacturing cost can be effectively reduced.

Preferably, the guide rail main body is provided with two parallel rails; and the positioning columns are arranged in the pipe holes of the joint parts of the two circular pipe tracks of the basic section and the extension section. The positioning reliability is improved through the two positioning structures, meanwhile, the positioning columns can be used for reinforcing the connection strength of the two sections of connecting parts, and the extension connection reliability is improved.

Preferably, the base section and the extension section are connected through two connecting plates, the joint surfaces of the two connecting plates form the joint surfaces of the base section and the extension section, and the two connecting plates are respectively welded and fixed on the guide rail main bodies of the base section and the extension section. The connecting strength of the connecting seat and the connecting seat is further enhanced through the connecting seat which is specially arranged, and the connecting reliability and the use safety are improved.

Preferably, the lengthening locking mechanism is an eccentric locking structure. The characteristic that an eccentric locking structure is convenient to form a locking dead point is utilized, and the locking reliability is ensured.

Preferably, the lengthening locking mechanism comprises a hook and a buckle, and the hook is fixedly arranged on one of the basic section and the lengthening section; the ring buckle is hinged on the handle, and the handle is hinged on the other member provided with the hook in the base section and the extension section. An eccentric locking structure is formed by utilizing the distance between the hinge point of the ring buckle and the handle, so that a locking dead point is formed after locking through a simple locking structure, and the reliability is ensured.

Further preferably, the ring buckle is movably arranged on a ring buckle seat, the ring buckle seat is hinged on the handle, and a spring is loaded between the ring buckle seat and the ring buckle. The locking force is formed by the elastic force of the loading spring so as to keep the locking force all the time and ensure the locking reliability.

The beneficial effects of the utility model are that, guide rail length can increase and decrease the adjustment according to the construction footage difference, and the extension back guide rail rigidity is good, intensity is high, connects reliably, and stability is good, safe in utilization.

Drawings

Fig. 1 is a schematic sectional structure of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

Figure 4 is a top view of the present invention as shown in figure 3 wherein the elongated locking mechanism is in a locked position.

Detailed Description

The present invention will be further described with reference to the accompanying drawings, which are not intended to limit the scope of the embodiments described herein.

Referring to fig. 1, 2, 3, 4, a guide rail for a step rock drill includes a guide rail body 1 and a rail 2; the guide rail is formed by a base section 11 and an extension section 12 into a structure with variable length; an extension positioning structure and an extension locking mechanism are arranged between the basic section 11 and the extension section 12; the foundation section 11 and the extension section 12 are connected through an inclined joint surface; the joint surface is gradually inclined outwards from top to bottom on the base section 11; the extension positioning structure is used for preventing the base section 11 and the extension section 12 from being staggered left and right and up and down.

The guide rail main body 1 is made of a square pipe or a rectangular pipe; the lengthening positioning structure comprises a positioning column 4 matched with a circular tube inner hole of the track 2, one part of the positioning column 4 is inserted into the circular tube track tube hole of the basic section 11, and the other part of the positioning column is inserted into the circular tube track tube hole of the lengthening section 12. The square pipe or the rectangular pipe can be a rolled or drawn section bar, and can also be formed by bending a steel plate and then welding; the guide rail main body 1 is formed by combining two square tube welding machines in the height direction; the upper ends of two sides of the square steel pipe above are respectively welded with a round pipe, the round pipes form the track, two sides of the lower end of the square steel pipe below are respectively welded with a round pipe, a square pipe or a tube, flat steel or angle iron, and the round pipe, the square pipe or the tube, the flat steel or the angle iron below are used for installing and fixing the guide rail.

The guide rail main body 1 is provided with two parallel rails 2; the positioning columns 4 are arranged in pipe holes of the joint parts of the two circular pipe tracks of the basic section 11 and the extension section 12. The base section 11 and the extension section 12 are connected through two connecting plates 5, the joint surfaces of the two connecting plates 5 form the joint surfaces of the base section 11 and the extension section 12, and the two connecting plates 5 are respectively welded and fixed on the guide rail main bodies 1 of the base section 11 and the extension section 12. The connecting plate 5 is welded on the lower square tube, the end part of the upper square tube is welded with an end plate, and the end plate 1a is welded with a positioning tube 1 b; and a third positioning column 3 is inserted into the positioning pipes on the two end plates and is distributed at three corners of the isosceles triangle.

Wherein, the lengthening locking mechanism is an eccentric locking structure. The lengthening locking mechanism comprises a hook 6 and a buckle 7, and the hook 6 is fixedly arranged on the base section 11; the ring buckle 7 is hinged on the handle 8, and the handle 8 is hinged on the extension section 12. The ring buckle 7 is movably arranged on a ring buckle seat 9, the ring buckle seat 9 is hinged on the handle 8, and a loading spring 10 is arranged between the ring buckle seat 9 and the ring buckle 7. Wherein, one end of the ring buckle 7 is welded with a connecting rod 7a, and the free end of the connecting rod 7a is welded with a guide block 7 b; the ring buckle seat 9 is in a U-shaped frame structure, the U-shaped opening end of the ring buckle seat 9 is hinged with the handle 8, the connecting rod 7a extends into the frame from the bottom end of the U-shaped frame, sliding grooves 9a are formed in the frame walls on the two sides of the U-shaped frame, and the guide block 7b is in sliding fit with the sliding grooves 9 a; one end of the loading spring 10 is abutted against the guide block 7b, and the other end is abutted against the inner wall of the frame bottom of the U-shaped frame. The hinged seat of the handle 8 is composed of a support lug 8a, and the handle 8 is connected with the support lug 8a through a U-shaped fork end; when the connecting line of the hinge centers of the ring buckle seat 9 and the handle 8 and the hinge centers of the handle 8 and the support lug 8a are superposed on the axis of the connecting rod 7a, a locking dead point of the ring buckle 7 is formed; in the locked state, the hinge center of the toggle seat 9 and the handle 8 exceeds the dead point position and is closer to the side wall of the rail 2 than the hinge center of the handle 8 and the lug 8 a.

In the utility model, the hook 6 can also be arranged on the extension section 12, and the handle 8 is hinged on the basic section 11.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A guide rail for a stepping rock drill comprises a guide rail main body (1) and a track (2); characterized in that the guide rail is formed into a structure with variable length by a base section (11) and an extension section (12); an extension positioning structure and an extension locking mechanism are arranged between the basic section (11) and the extension section (12); the foundation section (11) and the extension section (12) are connected through an inclined joint surface; the joint surface is gradually inclined outwards from top to bottom on the base section (11); the lengthening positioning structure is used for preventing the base section (11) and the lengthening section (12) from being staggered left and right and up and down.

2. Guide rail for a step drill according to claim 1, characterized in that the rail (2) is made of round pipe; connect long location structure and include round pipe inner bore complex reference column (4) of track (2), reference column (4) partly insert in the round pipe track tube hole of basic section (11), and another part inserts in the round pipe track tube hole of connecing long section (12).

3. Guide rail for a step rock drill according to claim 2, characterized in that the guide rail body (1) is provided with two said rails (2) arranged in parallel; and the positioning columns (4) are arranged in pipe holes of the joint parts of the two circular pipe tracks of the basic section (11) and the extension section (12).

4. The guide rail for the stepping rock drill according to claim 1, wherein the base section (11) and the extension section (12) are connected through two connecting plates (5), the joint surface of the two connecting plates (5) forms the joint surface of the base section (11) and the extension section (12), and the two connecting plates (5) are respectively welded and fixed on the guide rail main body (1) of the base section (11) and the extension section (12).

5. The guide rail for a step rock drill according to claim 1, wherein the elongated locking mechanism is an eccentric locking structure.

6. Guide rail for a walking rock drill according to claim 5, characterized in that the lengthening locking mechanism comprises a hook (6) and a buckle (7), the hook (6) being fixedly arranged on one of the base section (11) and the lengthening section (12); the ring buckle (7) is rotatably arranged on the handle (8), and the handle (8) is hinged on the other member of the basic section (11) and the extension section (12) provided with the hook (6).

7. Guide rail for a step rock drill according to claim 6, characterized in that the eye ring (7) is movably arranged on an eye ring holder (9), the eye ring holder (9) is hinged on the handle (8), and a spring (10) is loaded between the eye ring holder (9) and the eye ring (7).