CN210659906U

CN210659906U - Porous blasting porous co-drilling device

Info

Publication number: CN210659906U
Application number: CN201921654399.XU
Authority: CN
Inventors: 王轶; 史志坚; 曹恣瑞
Original assignee: Shanxi Jinheng Blasting Engineering Co ltd
Current assignee: Shanxi Jinheng Blasting Engineering Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-06-02
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a porous device that drills altogether of blasting, including pneumatic rock drill body and the output shaft of setting on pneumatic rock drill body, the one end of output shaft is provided with synchronous box, fixed mounting has the mounting bracket on the synchronous box, and the top and the bottom of synchronous box all are provided with two outer sleeves, be provided with first gear shaft on the synchronous box, and the one side that the output shaft was kept away from to synchronous box is provided with three drill bit, the inside of synchronous box is provided with second gear and two first gears, and fixed mounting has a second gear axle on the second gear, output shaft and second gear axle fixed connection, first gear fixed mounting is on first gear shaft, the embedding has a plurality of bearings on the synchronous box, and the inside of synchronous box is provided with the chain. The utility model discloses simple structure has realized the purpose of porous with boring, the promotion that is showing blasting engineering's efficiency of construction has prolonged the maintenance cycle of device simultaneously, has reduced the maintenance cost.

Description

Porous blasting porous co-drilling device

Technical Field

The utility model relates to a blasting drilling technical field especially relates to a porous device that bores altogether of porous blasting.

Background

Blasting is a technology for achieving the expected purpose by utilizing the compression, loosening, destruction, throwing and killing effects generated by the explosion of explosives in air, water, earth and stone media or objects, wherein in blasting engineering, blasting holes are holes for filling the explosives.

At present, blasting generally fills explosives in a plurality of blasting holes, so that the plurality of blasting holes need to be formed during hole forming, but the conventional hole forming equipment can only form one hole and cannot form a plurality of holes at the same time, so that the efficiency of the whole engineering is affected, and therefore, a multi-hole blasting and multi-hole co-drilling device is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a porous blasting porous co-drilling device.

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

a porous blasting porous co-drilling device comprises a pneumatic rock drill body and an output shaft arranged on the pneumatic rock drill body, wherein one end of the output shaft is provided with a synchronous box, a mounting frame is fixedly arranged on the synchronous box, the top and the bottom of the synchronous box are respectively provided with two outer sleeves, a first gear shaft is arranged on the synchronous box, one side of the synchronous box, which is far away from the output shaft, is provided with three drill bits, a second gear and two first gears are arranged inside the synchronous box, a second gear shaft is fixedly arranged on the second gear, the output shaft is fixedly connected with the second gear shaft, the first gears are fixedly arranged on the first gear shaft, a plurality of bearings are embedded in the synchronous box, a chain is arranged inside the synchronous box, two bearing seats are arranged inside the synchronous box, and an extrusion gear is movably arranged between the two bearing seats, the drill bit assembly is characterized in that a movable shaft is inserted into one end of the outer sleeve, a fixing frame is fixedly mounted at one end of the movable shaft, a sliding block and a compression spring are arranged inside the outer sleeve, connecting threads are formed in the bottom of the inner side face of the outer sleeve, a threaded joint is arranged at the bottom of the outer sleeve, a cross handle is fixed to the outer surface of the bottom end of the threaded joint, and the drill bits are respectively and fixedly mounted on the first gear shaft and the second gear shaft.

Preferably, the mounting frame is fixedly mounted on the pneumatic rock drill body through bolts, and the number of the bolts is a plurality.

Preferably, one end of the outer sleeve, which is close to the synchronizing box, is fixedly connected with a lantern ring, and the lantern ring is connected with the synchronizing box through a bolt.

Preferably, the first gear shaft and the second gear shaft are movably mounted on the synchronous box through bearings, and the threaded joint is in threaded connection with the outer sleeve through connecting threads.

Preferably, the first gear, the second gear shaft and the extrusion gear are all meshed with the chain, and the bearing block is fixedly mounted on the fixed frame.

Preferably, the other end of the movable shaft is fixedly connected with the sliding block, and the sliding block is slidably mounted inside the outer sleeve through a compression spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in through setting up synchronous box, mounting bracket, first gear shaft, drill bit, first gear, second gear shaft, bearing and chain, utilize the chain to transmit the kinetic energy on the second gear to first gear to drive the synchronous rotation of three drill bit, realized three holes with the purpose of boring, the promotion that is showing the efficiency of construction of blasting engineering has satisfied people's in-service use demand.

2. The utility model discloses in through setting up outer sleeve, bearing frame, extrusion gear, mount, loose axle, slider, compression spring, connecting thread, screwed joint and cross handle, utilize the elasticity that produces when compression spring receives the extrusion for the chain is in the state of tightening all the time, thereby has prolonged the maintenance cycle of chain, has reduced the maintenance cost.

To sum up, the utility model discloses a porous purpose of boring with, the promotion that is showing blasting engineering's efficiency of construction has prolonged the maintenance cycle of device simultaneously, has reduced the maintenance cost.

Drawings

Fig. 1 is a schematic view of the overall structure of a multi-hole blasting multi-hole co-drilling device provided by the present invention;

fig. 2 is a top sectional view of a synchronizing box of a multi-hole blasting multi-hole co-drilling device provided by the utility model;

fig. 3 is a cross-sectional view of an outer sleeve of a porous blasting porous co-drilling device provided by the utility model.

In the figure: the pneumatic rock drill comprises a pneumatic rock drill body 1, an output shaft 2, a synchronous box 3, a mounting rack 4, an outer sleeve 5, a first gear shaft 6, a drill bit 7, a first gear 8, a second gear 9, a second gear shaft 10, a bearing 11, a chain 12, a bearing seat 13, an extrusion gear 14, a fixing frame 15, a movable shaft 16, a sliding block 17, a compression spring 18, a connecting thread 19, a threaded joint 20 and a cross handle 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a multi-hole blasting multi-hole co-drilling device comprises a pneumatic rock drill body 1 and an output shaft 2 arranged on the pneumatic rock drill body 1, wherein one end of the output shaft 2 is provided with a synchronizing box 3, an installation frame 4 is fixedly arranged on the synchronizing box 3, the top and the bottom of the synchronizing box 3 are respectively provided with two outer sleeves 5, the synchronizing box 3 is provided with a first gear shaft 6, one side of the synchronizing box 3 away from the output shaft 2 is provided with three drill bits 7, a second gear 9 and two first gears 8 are arranged inside the synchronizing box 3, a second gear shaft 10 is fixedly arranged on the second gear 9, the output shaft 2 is fixedly connected with the second gear shaft 10, the first gears 8 are fixedly arranged on the first gear shaft 6, a plurality of bearings 11 are embedded in the synchronizing box 3, a chain 12 is arranged inside the synchronizing box 3, two bearing seats 13 are arranged inside the synchronizing box 3, an extrusion gear 14 is movably mounted between the two bearing blocks 13, a movable shaft 16 is inserted into one end of the outer sleeve 5, a fixed frame 15 is fixedly mounted at one end of the movable shaft 16, a sliding block 17 and a compression spring 18 are arranged inside the outer sleeve 5, a connecting thread 19 is formed in the bottom of the inner side face of the outer sleeve 5, a threaded joint 20 is arranged at the bottom of the outer sleeve 5, a cross handle 21 is fixed on the outer surface of the bottom end of the threaded joint 20, and the three drill bits 7 are fixedly mounted on the first gear shaft 6 and the second gear shaft 10 respectively.

The mounting bracket 4 is fixedly mounted on the pneumatic rock drill body 1 through bolts, the number of the bolts is a plurality of, one end fixedly connected with lantern ring that the outer sleeve 5 is close to the synchronizing box 3, the lantern ring is connected with the synchronizing box 3 through the bolts, the first gear shaft 6 and the second gear shaft 10 are both movably mounted on the synchronizing box 3 through the bearing 11, the threaded joint 20 is in threaded connection with the outer sleeve 5 through a connecting thread 19, the first gear 8, the second gear shaft 10 and the extrusion gear 14 are all meshed with the chain 12, the bearing seat 13 is fixedly mounted on the fixing bracket 15, the other end of the movable shaft 16 is fixedly connected with the slider 17, and the slider 17 is slidably mounted in the outer sleeve 5 through a compression spring 18.

The working principle is as follows: when the pneumatic rock drill is used, the three drill bits 7 are abutted against a target object to be drilled, then the pneumatic rock drill body 1 is started, the output shaft 2 is enabled to rotate, the second gear shaft 10 is driven to rotate, namely the second gear 9 starts to rotate, under the action of the chain 12, the two first gears 8 can synchronously rotate along with the second gear 9, namely the first gear shaft 6 starts to rotate, the three drill bits 7 start to open holes in the target object, in the process, the compression spring 18 is always in a compressed state, the generated elastic force can be applied to the extrusion gear 14 under the transmission of the movable shaft 16 and the fixed frame 15, the chain 12 is in a tightened state, and even if the length of the chain 12 is long in a long-term use process, the elastic force of the compression spring 18 can always keep the meshing connection relationship between the chain 12 and the first gear 8 as well as between the second gear shaft 10 and the extrusion gear 14, threaded joint 20 cooperation connecting thread 19 for distance between threaded joint 20 and the slider 17 can be adjusted, so that control compression spring 18's elasticity, made things convenient for the dismouting of slider 17 and loose axle 16 simultaneously, cross handle 21 is used for providing the stress point, make people can easily twist threaded joint 20, bearing 11 is used for reducing the frictional force between first gear shaft 6 and second gear shaft 10 and the synchronous box 3, mounting bracket 4 is used for with synchronous box 3 fixed mounting on pneumatic rock drill body 1, the utility model discloses simple structure, realized porous purpose with boring, the promotion that is showing blasting engineering's efficiency of construction has been prolonged simultaneously, has prolonged the maintenance cycle of device, has reduced the maintenance cost.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A porous blasting and porous co-drilling device comprises a pneumatic rock drill body (1) and an output shaft (2) arranged on the pneumatic rock drill body (1), and is characterized in that one end of the output shaft (2) is provided with a synchronous box (3), an installation frame (4) is fixedly installed on the synchronous box (3), the top and the bottom of the synchronous box (3) are respectively provided with two outer sleeves (5), the synchronous box (3) is provided with a first gear shaft (6), one side, far away from the output shaft (2), of the synchronous box (3) is provided with three drill bits (7), a second gear (9) and two first gears (8) are arranged inside the synchronous box (3), the second gear shaft (10) is fixedly installed on the second gear (9), the output shaft (2) is fixedly connected with the second gear shaft (10), the first gears (8) are fixedly installed on the first gear shaft (6), a plurality of bearings (11) are embedded in the synchronous box (3), a chain (12) is arranged in the synchronous box (3), two bearing seats (13) are arranged in the synchronous box (3), an extrusion gear (14) is movably arranged between the two bearing seats (13), a movable shaft (16) is inserted at one end of the outer sleeve (5), a fixed frame (15) is fixedly arranged at one end of the movable shaft (16), a slide block (17) and a compression spring (18) are arranged in the outer sleeve (5), and the bottom of the inner side surface of the outer sleeve (5) is provided with a connecting thread (19), the bottom of the outer sleeve (5) is provided with a threaded joint (20), and a cross handle (21) is fixed on the outer surface of the bottom end of the threaded joint (20), and the three drill bits (7) are respectively and fixedly installed on the first gear shaft (6) and the second gear shaft (10).

2. A multi-hole blasting multi-hole co-drilling device according to claim 1, characterized in that the mounting frame (4) is fixedly mounted on the pneumatic rock drill body (1) through bolts, and the number of the bolts is several.

3. A multi-hole blasting multi-hole co-drilling device according to claim 1, characterized in that a collar is fixedly connected to one end of the outer sleeve (5) close to the synchronizing box (3), and the collar is connected with the synchronizing box (3) through a bolt.

4. A multi-hole blasting multi-hole co-drilling device according to claim 1, characterized in that the first gear shaft (6) and the second gear shaft (10) are movably mounted on the synchronous box (3) through bearings (11), and the threaded joint (20) is in threaded connection with the outer sleeve (5) through connecting threads (19).

5. A multi-hole blasting multi-hole co-drilling device according to claim 1, wherein the first gear (8), the second gear shaft (10) and the extrusion gear (14) are all meshed with the chain (12), and the bearing seat (13) is fixedly installed on the fixed frame (15).

6. A multi-hole blasting multi-hole co-drilling device according to claim 1, characterized in that the other end of the movable shaft (16) is fixedly connected with a slide block (17), and the slide block (17) is slidably mounted inside the outer sleeve (5) through a compression spring (18).