CN214836325U

CN214836325U - Machine head for high breaking rate of rock drill

Info

Publication number: CN214836325U
Application number: CN202023020501.6U
Authority: CN
Inventors: 不公告发明人
Original assignee: Wuhan Zhengzao Heavy Construction Machinery Co ltd
Current assignee: Wuhan Zhengzao Heavy Construction Machinery Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-23
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a machine head with high breaking rate for a rock drill, which relates to the technical field of rock drills and is used for the machine head with high breaking rate of the rock drill, and comprises a main shaft and a sleeve shaft, wherein the sleeve shaft is parallel to the bottom end of the main shaft; the main shaft comprises a transmission shaft and a connecting shaft which are positioned below the main shaft, the transmission shaft is connected between the main shaft and the connecting shaft in a transmission manner, the connecting shaft is movably connected with the main shaft through the transmission shaft, the left side and the right side of the outer wall of the connecting shaft are respectively welded with connecting blocks which are integrated with the connecting shaft through electric arcs, the outer walls of the two connecting blocks are respectively welded with a transverse plate in a horizontal manner, a downward vertical handle rod is arranged below the transverse plate, a rotating shaft which enables the upper end of the handle rod and the transverse plate to be connected in a rotating manner penetrates through the joint of the upper end of the handle rod and the transverse plate, and a clamping block is fixed at the tail end of the inner wall of the handle rod; the lower end of the sleeve shaft is vertically welded with a chisel head; the beneficial effects of the utility model reside in that: the machine head and the machine main body realize quick-out disassembly/increase of the pointed prick so as to improve the crushing rate of the machine head.

Description

Machine head for high breaking rate of rock drill

Technical Field

The utility model belongs to the technical field of the rock drill technique and specifically relates to a aircraft nose that is used for the rock drill percentage of damage to be high is related to.

Background

Rock drills are tools used to directly mine rock material. It drills blastholes in the rock formations to deposit explosives to blast the rock to complete the extraction of rock material or other stone work. Furthermore, rock drills may also be used as breakers for breaking hard layers such as concrete.

The current aircraft nose that is used for the rock drill percentage of damage to be high, the dismantlement rate between aircraft nose and the rock drill is relatively poor, leads to the staff to be difficult to change the aircraft nose according to the rock of different hardness to conventional aircraft nose is single-axis structure, leads to when the breakage, and is more hard and time-consuming, influences the work efficiency of rock drill.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide a aircraft nose that is used for the rock drill percentage of damage high, aircraft nose and owner realize going out soon and dismantle to increase the percentage of damage that sharp awl thorn improved the aircraft nose.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: a machine head with high breaking rate for a rock drill comprises a main shaft and a sleeve shaft, wherein the sleeve shaft is parallel to the bottommost end of the main shaft;

the main shaft comprises a transmission shaft and a connecting shaft which are positioned below the main shaft, the transmission shaft is connected between the main shaft and the connecting shaft in a transmission manner, the connecting shaft is movably connected with the main shaft through the transmission shaft, connecting blocks which are integrated with the connecting shaft are welded on the left side and the right side of the outer wall of the connecting shaft through electric arcs, transverse plates are horizontally welded on the outer walls of the two connecting blocks, a downward vertical handle rod is arranged below the transverse plates, a rotating shaft which enables the upper end of the handle rod and the transverse plates to be rotatably connected penetrates through the joint of the upper end of the handle rod and the transverse plates, and a clamping block is fixed at the tail end of the inner wall of the handle rod;

the lower end of the sleeve shaft is vertically welded with a chisel head, side plates reinforced between the chisel head and the sleeve shaft are welded above the middle of the left side and the right side of the chisel head, and two rows of sharp pricks which are vertically and symmetrically arranged are inserted below the left side and the right side of the outer wall of the chisel head.

Preferably, a threaded shaft and springs are fixed below the connecting shaft, the springs are four and are arranged around the threaded shaft, a threaded groove matched with the threaded shaft in shape and size is formed in the upper surface of the sleeve shaft, four insertion holes arranged around the threaded groove are formed in the outer side of the upper surface of the sleeve shaft, and the four insertion holes correspond to the four springs in a vertical mode.

Preferably, the sleeve shaft is screwed into the threaded groove through the threaded shaft and is in threaded connection with the connecting shaft, the arc-shaped blocks are welded at the left end and the right end of the sleeve shaft, the outer walls of the arc-shaped blocks are provided with clamping grooves matched with the shape and the size of the clamping blocks, and the tail ends of the handle rod and the clamping blocks are located on the same horizontal line with the arc-shaped blocks.

Preferably, the left side and the right side of the main shaft are both provided with radiating grooves in which radiating nets are embedded.

Preferably, the upper end of the main shaft is welded with a handheld assembly, the handheld assembly comprises a cross shaft, vertical rods, a handle and a protective sleeve, the cross shaft penetrates through the upper portions of the left side and the right side of the handheld assembly from left to right, the vertical rods are provided with two parts and clamped into the left end and the right end of the cross shaft respectively, the handle is horizontally welded to the tops of the two vertical rods, and the protective sleeve is sleeved on the outer side of the handle.

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

according to the machine head with the high breaking rate for the rock drill, the sleeve shaft is screwed into the threaded shaft through the threaded groove, the four springs are inserted into the four insertion holes one by one, the elastic space between the connecting shaft and the sleeve shaft can be enhanced by the four springs, then the clamping block at the tail end of the handle rod is clamped into the clamping groove of the arc-shaped block, so that the sleeve shaft can be reinforced below the connecting shaft, and the connection relation between the connecting shaft and the connecting shaft is enhanced, therefore, the machine head is convenient and simple to install, and only the clamping block needs to be pulled out of the clamping groove and then the sleeve shaft is screwed out of the lower part of the connecting shaft when the machine head is disassembled, the machine head can be replaced according to requirements, and the convenience of a user in using the machine head is greatly improved;

through two curb plates in the chisel head can play the effect of strengthening steadiness between cover axle and the chisel head, also improve the solidity of chisel head simultaneously, and the sharp awl thorn that utilizes the chisel head outer wall can play the effect that supplementary chisel head hit garrulous rock, is favorable to improving the percentage of damage and the work efficiency of rock drill.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial structure of a handle bar A of the present invention;

fig. 3 is a schematic view of the structure of the connecting shaft of the present invention.

The labels in the figure are: 1-a main shaft; 101-a heat sink; 102-a drive shaft; 103-a connecting shaft; 104-a handle bar; 105-a cartridge; 106-a spring; 107-threaded shaft; 108-connecting block; 109-a transverse plate; 110-a rotating shaft; 2-a handheld assembly; 201-horizontal axis; 202-upright stanchion; 203-a grip; 204-protective sheath; 3-sleeve shaft; 301-thread groove; 302-a jack; 303-arc-shaped blocks; 304-card slot; 305-chisel head; 306-side panels; 307-spike prick.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-3, a head for a rock drill with high breaking rate comprises a main shaft 1 and a sleeve shaft 3, wherein the sleeve shaft 3 is parallel to the bottommost end of the main shaft 1, and a user can conveniently connect the head and the main shaft 1 into a whole through the sleeve shaft 3;

in the embodiment of the utility model, the main shaft 1 comprises a transmission shaft 102 and a connecting shaft 103 which are arranged below the main shaft 1, the transmission shaft 102 is connected between the main shaft 1 and the connecting shaft 103 in a transmission way, the connecting shaft 103 is movably connected with the main shaft 1 through the transmission shaft 102, the left side and the right side of the outer wall of the connecting shaft 103 are welded with connecting blocks 108 which are integrated with the connecting shaft through electric arcs, the outer walls of the two connecting blocks 108 are horizontally welded with transverse plates 109, a handle rod 104 which is vertical downwards is arranged below the transverse plates 109, a rotating shaft 110 which enables the upper end of the handle rod 104 to be connected with the transverse plates 109 in a rotating way penetrates through the joint of the upper end of the handle rod 104 and the inner wall of the handle rod 104, a clamping block 105 is fixed at the tail end of the inner wall of the connecting shaft 103, a threaded shaft 107 and a spring 106 are fixed below the connecting shaft 103, the spring 106 is provided with four threaded shafts 107 which are arranged around the threaded shaft 107, the upper surface of the sleeve 3 is provided with threaded grooves 301 which are matched with the shape and the size, and the four jacks 302 which are arranged around the threaded grooves 301 are arranged outside the upper surface of the outer side of the sleeve 3, four insertion holes 302 correspond to four springs 106 up and down, a sleeve shaft 3 is screwed into a thread groove 301 through a thread shaft 107 to be in threaded connection with a connecting shaft 103, arc-shaped blocks 303 are welded at the left end and the right end of the sleeve shaft 3, clamping grooves 304 matched with the shape and the size of clamping blocks 105 are formed in the outer walls of the arc-shaped blocks 303, the tail ends of a handle rod 104 and the clamping blocks 105 are positioned on the same horizontal line with the arc-shaped blocks 303, a user connects the connecting shaft 103 with a main shaft 1 through a transmission shaft 102, then the user screws the sleeve shaft 3 into the thread shaft 107 below the connecting shaft 103 through the thread groove 301, so that the sleeve shaft 3 is in threaded connection with the connecting shaft 103, the four springs 106 are inserted into the four insertion holes 302 one by one, the elastic space between the connecting shaft 103 and the sleeve shaft 3 can be enhanced by the four springs 106, and then the handle rods 104 at the left side and the right side of the connecting shaft 103 are rotated outwards through the rotating shaft 110, the clamping block 105 at the tail end of the inner wall of the rod 104 is clamped into the clamping groove 304 of the arc-shaped block 303 at the outer wall of the sleeve shaft 3, so that the sleeve shaft 3 can be reinforced below the connecting shaft 103, and the connection relation between the connecting shaft and the clamping block is enhanced, therefore, the machine head is convenient and simple to install, and in the process of disassembly, a user only needs to pull out the clamping block 105 from the clamping groove 304 and then unscrew the sleeve shaft 3 from the lower part of the connecting shaft 103, so that the machine head can be replaced according to requirements, and the convenience of the user in using the machine head is greatly improved;

the embodiment of the utility model provides an in 3 lower extreme vertical welding of sleeve shaft have chisel head 305, and all weld in the upper side in the chisel head 305 left and right sides and strengthen curb plate 306 between chisel head 305 and sleeve shaft 3, it has two rows of perpendicular symmetry to arrange's sharp awl thorn 307 to peg graft in chisel head 305 outer wall left and right sides below, can play the effect of strengthening the steadiness between sleeve shaft 3 and chisel head 305 through two curb plates 306 in chisel head 305, also improve the solidity of chisel head 305 simultaneously, and the sharp awl thorn 307 that utilizes chisel head 305 outer wall can play the effect of supplementary chisel head 305 hit garrulous rock, be favorable to improving the breakage rate and the work efficiency of rock drill.

In this embodiment, the left and right sides of the main shaft 1 are both provided with heat dissipation grooves 101 in which heat dissipation nets are embedded, and the heat dissipation grooves 101 can perform the functions of ventilation and heat dissipation.

In this embodiment, the welding of main shaft 1 upper end has handheld subassembly 2, and handheld subassembly 2 includes cross axle 201, pole setting 202, handle 203 and protective sheath 204, cross axle 201 runs through in handheld subassembly 2 left and right sides top from a left side to the right side, and pole setting 202 is equipped with two and goes into the left and right both ends of cross axle 201 respectively, handle 203 horizontal welding is in two pole setting 202 tops, and protective sheath 204 embolias in the handle 203 outside, handle 203 through handheld subassembly 2, the user holds the outside of handle 203 with both hands, and the travelling comfort when can improve user's palm and handle 203 contact through protective sheath 204 wherein, also be favorable to reducing the frictional force between palm and the handle 203 simultaneously.

It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A aircraft nose that is used for rock drill breakage rate to be high, includes main shaft (1) and sleeve axle (3), its characterized in that: the sleeve shaft (3) is parallel to the bottom end of the main shaft (1);

the main shaft (1) comprises a transmission shaft (102) and a connecting shaft (103) which are positioned below the main shaft (1), the transmission shaft (102) is connected between the main shaft (1) and the connecting shaft (103) in a transmission manner, the connecting shaft (103) is movably connected with the main shaft (1) through the transmission shaft (102), the left side and the right side of the outer wall of the connecting shaft (103) are respectively welded with connecting blocks (108) which are integrated with the connecting shaft through electric arcs, transverse plates (109) are horizontally welded on the outer walls of the two connecting blocks (108), a downward vertical handle rod (104) is arranged below the transverse plates (109), a rotating shaft (110) which enables the upper end of the handle rod (104) to be rotatably connected with the transverse plates (109) penetrates through the joint of the upper end of the handle rod (104) and the transverse plates (109), and a clamping block (105) is fixed at the tail end of the inner wall of the handle rod (104);

the lower end of the sleeve shaft (3) is vertically welded with a chisel head (305), side plates (306) reinforced between the chisel head (305) and the sleeve shaft (3) are welded above the middle of the left side and the right side of the chisel head (305), and two rows of sharp pricks (307) which are vertically and symmetrically arranged are inserted below the left side and the right side of the outer wall of the chisel head (305).

2. A head for high breakage rate rock drilling machine as claimed in claim 1, wherein: connecting axle (103) below is fixed with screw shaft (107) and spring (106), spring (106) are equipped with four and encircle and arrange around screw shaft (107), just sleeve (3) upper surface is opened has screw thread groove (301) identical with screw thread shaft (107) shape and size, just sleeve (3) upper surface outside is equipped with four jack (302) of arranging around screw thread groove (301), four jack (302) and four spring (106) are corresponding from top to bottom.

3. A head for high breakage rate rock drilling machine according to claim 2, characterized in that: the sleeve shaft (3) is screwed into the threaded groove (301) through the threaded shaft (107) and is in threaded connection with the connecting shaft (103), arc-shaped blocks (303) are welded at the left end and the right end of the sleeve shaft (3), clamping grooves (304) matched with the clamping blocks (105) in shape and size are formed in the outer walls of the arc-shaped blocks (303), and the tail ends of the handle rod (104) and the clamping blocks (105) are located on the same horizontal line with the arc-shaped blocks (303).

4. A head for high breakage rate rock drilling machine as claimed in claim 1, wherein: the left side and the right side of the main shaft (1) are both provided with radiating grooves (101) with radiating nets embedded inside.

5. A head for high breakage rate rock drilling machine as claimed in claim 1, wherein: the welding of main shaft (1) upper end has handheld subassembly (2), just handheld subassembly (2) include cross axle (201), pole setting (202), handle (203) and protective sheath (204), cross axle (201) run through in handheld subassembly (2) left and right sides top from a left side to the right side, just pole setting (202) are equipped with two and block respectively into the left and right sides both ends of cross axle (201), handle (203) horizontal welding is in two pole setting (202) top, just protective sheath (204) embolia in the handle (203) outside.