Drilling device for processing steel structure parts

Abstract

The present invention relates to the technical field of steel structure processing, and in particular to a drilling device for steel structure processing. The present invention provides a drilling device for steel structure processing with automatic adjustment of drill feed. A drilling device for steel structure processing includes a base, a body, a drilling rig and a liquid tank, etc. The body is connected to the base, the liquid tank is connected to the body through a pipeline, the drilling rig is slidably connected to the body, and also includes a rotating rod, a transmission assembly, a rotating shaft and a speed change shaft. The rotating shaft is rotatably connected in the body, the rotating rod drives the rotating shaft to rotate through the transmission assembly, the rotating shaft is slidably connected to the speed change shaft, a limiting ring is fixed on the rotating shaft, the drilling rig is fixed with a bevel rack, and a threaded rod meshing with the bevel rack is rotatably connected in the body. In the process of rotating the rotating rod to drive the drilling rig to approach the surface of the steel structure, the moving speed of the drilling rig changes from fast to slow, and the feed amount of the drilling rig changes from large to small. The staff has sufficient adjustment time to accurately align the drilling rig with the drilling position, thereby improving the accuracy of drilling.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure processing, and in particular to a drilling device for processing steel structure. Background Art

[0002] With the development of society and the continuous advancement of science and technology, more and more new materials are being used in production and life. Steel structure is mainly composed of steel materials. It is one of the main types of building structures and is widely used. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. The components or parts are usually connected by welds, bolts or rivets. Because of its light weight and simple construction, products composed of steel structures can be seen everywhere in life.

[0003] The existing steel structure drilling device is generally a magnetic drill with an electromagnet at the bottom. The method of use is as follows: a worker holds the magnetic drill close to the surface of the steel structure, and then the worker adjusts the drill bit so that the drill bit is close to the surface of the steel structure, and finally turns on the magnetic drill to drill. During this period, the magnetic block at the bottom of the magnetic drill will be adsorbed on the surface of the steel structure to fix the magnetic drill. However, in actual use, the distance between the drill bit and the surface of the steel structure is adjusted by rotating the wheel, and the drill feed amount of the magnetic drill is a fixed value. The worker may not be able to adjust the drill bit to align with the drilling position within the limited moving time. Therefore, the present invention aims to design a drilling device whose feed amount can be automatically adjusted after the drill bit approaches the surface of the steel structure, so that the worker can adjust the drill bit to align with the drilling position, thereby improving the accuracy of drilling on the surface of the steel structure. Summary of the invention

[0004] In order to overcome the disadvantages of a conventional magnetic drill that the drill feed rate is a fixed value and there is a deviation when operating the drill to a designated drilling point, the present invention provides a drilling device for machining steel structures with automatically adjustable drill feed rate.

[0005] A drilling device for processing steel structural parts includes a base, a fuselage, a drilling rig and a liquid tank, wherein the fuselage is connected to the base, the liquid tank is connected to the fuselage through a pipeline, and the drilling rig is slidably connected to the fuselage. It also includes a rotating rod, a transmission assembly, a rotating shaft, a limiting ring, a speed change shaft, a double gear, a threaded rod and a helical rack. The rotating shaft is rotatably connected in the fuselage, and the rotating rod drives the rotating shaft to rotate through the transmission assembly. The rotating shaft is slidably connected to the speed change shaft through a spline provided axially. A limiting ring for slidingly limiting the speed change shaft is fixedly connected to the rotating shaft, and a helical rack for synchronous movement is fixedly connected to the drilling rig. The threaded rod capable of meshing with the helical rack is rotatably connected in the fuselage, and a double gear is connected to the lower end of the threaded rod. The speed change shaft can slide on the rotating shaft to respectively mesh with the upper and lower parts of the double gear, thereby changing the angular velocity of the threaded rod and then adjusting the feed amount of the drilling rig.

[0006] Furthermore, the speed change shaft is composed of a pinion, a sleeve and a gear. The pinion and the gear are fixed to the upper and lower ends of the sleeve respectively, and the sleeve is slidably connected to the rotating shaft.

[0007] Furthermore, the diameter of the upper gear of the duplex gear is greater than that of the lower gear.

[0008] Furthermore, it also includes a shift block and a shift rod, the shift block is fixedly connected to one end of the bevel rack, the shift rod is rotatably connected to the lower end of the speed change shaft, the shift block can contact and push the shift rod to move, and the shift rod is slidably connected to the fuselage.

[0009] Furthermore, it also includes a positioning rod, an articulated frame, a roller and a compression rod. A hole groove is opened on the base. The positioning rods are arranged oppositely and slidably connected in the hole groove. The articulated frame is rotatably connected between the positioning rods. The articulated frame is a two-link rod. The ends of the articulated frame are connected by a compression rod, and the roller is arranged at the hinge of the articulated frame.

[0010] Furthermore, it also includes a pressing bracket and a limit block. The pressing bracket is slidably connected to the base and a spring is connected between the two. The pressing bracket is connected to the limit block, and the limit block can limit the movement of the positioning rod.

[0011] Furthermore, it also includes a slide rail, a stabilization bracket and an electromagnetic plate. The slide rail is set on the side of the base. The stabilization bracket is slidably connected to the side of the base through the slide rail. The electromagnetic plate is rotatably connected to the stabilization bracket. When it is necessary to punch holes on the curved surface or irregular surface, the stabilization bracket can be pulled to both sides of the base to unfold. After the stabilization bracket is pulled to the end of the slide rail, the stabilization bracket can be rotated, and then the device is fixed by the electromagnetic plate.

[0012] Furthermore, it also includes a clamping rod and a fastener, the clamping rod is slidably connected to the stabilizing bracket with a spring connected therebetween, the fastener is fixed to the base, and the clamping rod can be fixed to the fastener by clamping.

[0013] Furthermore, the stabilizing bracket is configured to be in the shape of a handle and is covered with a rubber sleeve to facilitate the staff to hold it.

[0014] Furthermore, it also includes a guide rod, a limit rod and a clamping block. The guide rod is fixed to the fuselage, and a clamping block is provided at the end of the guide rod. The limit rod is fixed to the side of the liquid tank. The limit rod can slide into the guide rod by a sliding engagement. The clamping block limits and fixes the limit rod. The clamping block can be compressed to fix the liquid tank in the guide rod through the limit rod. The limit fixation of the limit rod can be released by squeezing the clamping block, so that the liquid tank can be replaced. Beneficial Effects

[0015] 1. When the rotating rod is turned to drive the drill rig close to the surface of the steel structure, the movement speed of the drill rig will change from fast to slow, and the feed amount of the drill rig will change from large to small. The staff has sufficient adjustment time to accurately align the drill rig with the drilling position, thereby improving the accuracy of drilling.

[0016] 2. When the drilling rig is turned off, the roller will be pushed out from the base, and the staff can push the base to move through the roller to facilitate continuous drilling. When the drilling rig is turned on, the base will be close to the surface of the steel structure, and the roller will be automatically retracted, which not only improves the stability of the device when drilling, but also improves the maneuverability of the device when docking the drilling position, and improves the convenience of use for the staff.

[0017] 3. When the surface of the steel structure is curved or irregular, the stabilizing bracket can be unfolded and the device can be fixed by the electromagnetic plate to improve the stability during drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0019] Figure 2 It is a three-dimensional structural cross-sectional view of the fuselage of the present invention.

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the transmission assembly, the speed change shaft and the shift block of the present invention.

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the speed change shaft, double gears and threaded rod of the present invention.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the base and the roller of the present invention.

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the pressing bracket and the limiting block of the present invention.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the stabilizing bracket and the electromagnetic plate of the present invention.

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the liquid box, guide rod and clamping block of the present invention.

[0026] In the accompanying drawings: 1-base, 2-fuselage, 3-drilling rig, 4-liquid tank, 5-rotating rod, 6-transmission assembly, 7-rotating shaft, 701-limiting ring, 8-speed shaft, 9-double gear, 10-threaded rod, 11-bevel rack, 12-shift block, 13-shift rod, 14-positioning rod, 15-articulated frame, 16-roller, 17-compression rod, 18-pressing bracket, 1801-limiting block, 19-slide rail, 20-stabilizing bracket, 21-electromagnetic plate, 22-clamping rod, 23-fastener, 24-guide rod, 2401-limiting rod, 25-clamping block. DETAILED DESCRIPTION

[0027] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0028] Embodiment: A drilling device for processing steel structure parts, such as Figure 1-Figure 4 As shown, it includes a base 1, a fuselage 2, a drilling rig 3 and a liquid tank 4, the fuselage 2 is connected to the base 1, the liquid tank 4 is connected to the fuselage 2 through a pipeline, the drilling rig 3 is slidably connected to the fuselage 2, an electromagnet is arranged in the base 1, after the drilling rig 3 is turned on, the electromagnet is also started at the same time, so that the base 1 carries magnetism, and also includes a rotating rod 5, a transmission assembly 6, a rotating shaft 7, a limiting ring 701, a speed change shaft 8, a double gear 9, a threaded rod 10 and a bevel rack 11, the rotating shaft 7 is rotatably connected in the fuselage 2, the rotating rod 5 drives the rotating shaft 7 to rotate through the transmission assembly 6, the speed change shaft 8 is composed of a pinion, a sleeve and a large gear, the pinion and the large gear are respectively fixed to the upper and lower ends of the sleeve, the rotating shaft 7 is slidably connected to the sleeve of the speed change shaft 8 through an axially provided spline, and a sliding limit ring for sliding the speed change shaft 8 is fixed to the rotating shaft 7 The limit ring 701 is magnetic and can attract the speed change shaft 8. The drilling rig 3 is fixed with a synchronously moving bevel rack 11. The threaded rod 10 that can mesh with the bevel rack 11 is rotatably connected in the fuselage 2. The lower end of the threaded rod 10 is connected with a double gear 9. The diameter of the upper gear of the double gear 9 is larger than the lower gear. When the speed change shaft 8 contacts the upper end of the limit ring 701 (hereinafter referred to as this state as the initial state of the speed change shaft 8), the large gear of the speed change shaft 8 and the lower gear of the double gear 9 are meshed with each other. At this time, when the rotation speed of the rotating rod 5 is fixed, the angular velocity of the threaded rod 10 is relatively large. When the speed change shaft 8 contacts the lower end of the limit ring 701, the small gear of the speed change shaft 8 and the upper gear of the double gear 9 are meshed with each other. At this time, the angular velocity of the threaded rod is relatively small, thereby adjusting the feed amount of the drilling rig 3.

[0029] like Figure 3As shown, it also includes a shift block 12 and a shift rod 13. The shift block 12 is fixedly connected to one end of the bevel rack 11. The shift rod 13 is limited and slidable in the fuselage 2 and the end is rotatably connected to the lower end of the speed change shaft 8. The shift block 12 can contact and push the shift rod 13 to move, so that the base 1 is close to the surface of the steel structure, and then the rotating rod 5 is rotated to adjust the distance between the drilling rig 3 and the steel structure. In the first half of the stroke when the drilling rig 3 is close to the surface of the steel structure, the large gear of the speed change shaft 8 and the lower gear of the double gear 9 are meshed with each other. At this time, the angular velocity of the threaded rod 10 is large, the drilling rig 3 moves faster, and the drilling rig 3 is close to the surface of the steel structure. During the second half of the stroke on the surface of the steel structure, the shift block 12 pushes the shift rod 13 to move downward, thereby pushing the speed change shaft 8 to move downward. At this time, the small gear of the speed change shaft 8 is meshed with the upper gear of the double gear 9. When the staff rotates the rotating shaft 7 at a constant speed, the movement speed of the drill 3 slows down, thereby increasing the adjustment time limit. The staff can accurately align the front end of the drill 3 with the designated drilling position, thereby improving the drilling accuracy. When the drill 3 moves and resets, the shift block 12 will contact the shift rod 13 again and push it to reset, and the speed change shaft 8 is reset to the initial state again.

[0030] like Figure 5 and Figure 6 As shown, it also includes a positioning rod 14, an articulated frame 15, a roller 16 and a compression rod 17. A hole groove is opened on the base 1. The positioning rods 14 are arranged oppositely and slidably connected in the hole groove. The articulated frame 15 is rotatably connected between the positioning rods 14. The articulated frame 15 is two connecting rods. The ends of the articulated frame 15 are connected through the compression rod 17. The compression rod 17 is provided with a reset spring. The roller 16 is arranged at the hinge of the articulated frame 15. Horizontally moving the positioning rod 14 can drive the articulated frame 15 to rotate. When the angle between the two connecting rods in the articulated frame 15 becomes smaller, the roller 16 will extend from the bottom of the base 1. At this time, the base 1 can be conveniently moved by the roller 16, and the staff can perform continuous drilling by the roller 16.

[0031] like Figure 6As shown, it also includes a pressing bracket 18 and a limit block 1801. The pressing bracket 18 is slidably connected to the base 1 and a spring is connected between the two. The pressing bracket 18 is made of iron. The limit block 1801 is connected to the pressing bracket 18. The limit block 1801 can limit the sliding of the positioning rod 14. After the staff determines the position of the device, the drilling rig 3 is turned on to drill a hole. During this period, the base 1 will be tightly attached to the surface of the steel structure under the action of magnetic force. The base 1 presses the roller 16. The limit block 1801 approaches the steel structure under the action of the electromagnet, and the limit block 1801 will be separated and release the positioning rod 1 4, at this time, the roller 16 is retracted into the base 1, the angle of the articulated frame 15 becomes larger, so that the compression rod 17 is extended, the reset spring is stretched, and the positioning rod 14 slides backward. After the punching is completed, the electromagnet no longer adsorbs the steel structure. Under the action of the reset spring, the compression rod 17 contracts, the roller 16 will extend out of the bottom surface of the base 1, and the pressing bracket 18 loses its magnetic force and moves away from the surface of the steel structure under the action of the spring. The limit block 1801 will limit the positioning rod 14 again. At this time, the staff can move the device through the roller 16 to improve the maneuverability of the device.

[0032] like Figure 1 and Figure 7 As shown, it also includes a slide rail 19, a stabilizing bracket 20 and an electromagnetic plate 21. A slide rail 19 is arranged on the side of the base 1, and the stabilizing bracket 20 is slidably connected to the side of the base 1 through the slide rail 19. The stabilizing bracket 20 is arranged in a handle shape and is covered with a rubber sleeve for easy holding by the staff. The electromagnetic plate 21 is rotatably connected to the stabilizing bracket 20. When it is necessary to punch holes on the curved surface or irregular surface, the stabilizing bracket 20 can be pulled to both sides of the base 1 to unfold. After the stabilizing bracket 20 is pulled to the end of the slide rail 19, the stabilizing bracket 20 can be rotated, so that the device can be tightly fitted according to the curved surface to be punched, and then the device is fixed by the electromagnetic plate 21, so that the curved surface or irregular surface of the steel structure surface can be punched. The clamping rod 22 is slidably connected to the stabilizing bracket 20 and a spring is connected between the two. The fastener 23 is fixed to the base 1, and the clamping rod 22 can be fixed to the fastener 23 by clamping.

[0033] like Figure 1 and Figure 8 As shown, it also includes a guide rod 24, a limit rod 2401 and a block 25. The guide rod 24 is fixed to the fuselage 2, and a block 25 is provided at the end of the guide rod 24. The limit rod 2401 is fixed to the side of the liquid tank 4. The limit rod 2401 can slide into the guide rod 24 by a sliding engagement. The block 25 limits and fixes the limit rod 2401. The block 25 can be compressed to fix the liquid tank 4 in the guide rod 24 through the limit rod 2401. The limit fixation of the limit rod 2401 can be released by squeezing the block 25, so that the liquid tank 4 can be replaced.

[0034] The working principle of the embodiment of the present invention is as follows: the liquid tank 4 is filled with a sufficient amount of coolant, and then the liquid tank 4 is fixed to the fuselage 2 through the guide rod 24, and the device is placed at the drilling position on the surface of the steel structure, and then the drill 3 is aligned with the drilling position, and the rotating rod 5 is rotated to bring the drill 3 close to the drilling position. When the rotation speed of the rotating rod 5 remains fixed, the feed amount of the drill 3 will change from large to small, and the staff has sufficient adjustment time to accurately align the drill 3 with the drilling position, and then start the drill 3, the base 1 will be close to the surface of the steel structure, at the same time, the roller 16 is pressed into the base 1, and the drill 3 is closed after the drilling is completed. The roller 16 extends from the bottom of the base 1, and the staff can push the base 1 to move through the roller 16 to facilitate continuous drilling. When the surface of the steel structure is curved or irregular, the stabilizing bracket 20 can be unfolded, and the device can be fixed by the electromagnetic plate 21 to improve the stability during drilling.

[0035] The above is a detailed introduction to the present application. Specific examples are used in this article to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method of the present application and its core idea. At the same time, for general technical personnel in this field, according to the idea of ​​the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A drilling device for processing steel structural parts, comprising a base (1), a body (2), a drilling rig (3) and a liquid tank (4), wherein the body (2) is connected to the base (1), the liquid tank (4) is connected to the body (2) via a pipeline, and the drilling rig (3) is slidably connected to the body (2), characterized in that: The machine also comprises a rotating rod (5), a transmission assembly (6), a rotating shaft (7), a limiting ring (701), a speed change shaft (8), a double gear (9), a threaded rod (10) and a bevel rack (11). The rotating shaft (7) is rotatably connected in the machine body (2). The rotating rod (5) drives the rotating shaft (7) to rotate through the transmission assembly (6). The rotating shaft (7) is slidably connected to the speed change shaft (8). The limiting ring (701) is fixedly connected to the rotating shaft (7). The drilling machine (3) is fixedly connected to the drilling machine (3). A helical rack (11) is provided, and a threaded rod (10) meshing with the helical rack (11) is rotatably connected in the machine body (2); a double gear (9) is connected to the lower end of the threaded rod (10); a speed change shaft (8) can slide on the rotating shaft (7) to respectively mesh with the upper and lower parts of the double gear (9) to change the angular velocity of the threaded rod (10), thereby adjusting the feed rate of the drilling machine (3); the speed change shaft (8) is composed of a small gear, a sleeve and a large gear, and the small gear The gear and the large gear are respectively fixedly connected to the upper and lower ends of the sleeve, and the sleeve is slidably connected to the rotating shaft (7); the diameter of the upper gear of the double gear (9) is larger than that of the lower gear; and it also includes a shift block (12) and a shift rod (13), the shift block (12) is fixedly connected to one end of the helical rack (11), the shift rod (13) is rotatably connected to the lower end of the speed change shaft (8), the shift block (12) can contact and push the shift rod (13) to move, and the shift rod (13) is slidably connected to the body (2). The invention also comprises a positioning rod (14), an articulated frame (15), a roller (16) and a compression rod (17). A hole groove is provided on the base (1). The positioning rods (14) are arranged oppositely and slidably connected in the hole groove. The articulated frame (15) is rotatably connected between the positioning rods (14). The articulated frame (15) is a two-link rod. The ends of the articulated frame (15) are connected by the compression rod (17). The roller (16) is arranged at the hinge of the articulated frame (15).

2. A drilling device for machining steel structure parts according to claim 1, characterized in that: It also includes a pressing bracket (18) and a limiting block (1801), wherein the pressing bracket (18) is slidably connected to the base (1) and a spring is connected between the two, and the limiting block (1801) is connected to the pressing bracket (18), and the limiting block (1801) can limit the sliding of the positioning rod (14).

3. A drilling device for machining steel structure parts according to claim 2, characterized in that: It also includes a slide rail (19), a stabilizing bracket (20) and an electromagnetic plate (21); the slide rail (19) is arranged on the side of the base (1); the stabilizing bracket (20) is slidably connected to the side of the base (1) via the slide rail (19); and the electromagnetic plate (21) is rotatably connected to the stabilizing bracket (20).

4. A drilling device for machining steel structure parts according to claim 3, characterized in that: It also includes a clamping rod (22) and a fastener (23), wherein the clamping rod (22) is slidably connected to the stabilizing bracket (20) and a spring is connected between the two, and the fastener (23) is fixed to the base (1), and the clamping rod (22) can be fixed to the fastener (23) by clamping.

5. A drilling device for machining steel structure parts according to claim 4, characterized in that: The stabilizing bracket (20) is configured in the shape of a handle and is covered with a rubber sleeve, so that it is convenient for a worker to hold it.

6. A drilling device for machining steel structure parts according to claim 5, characterized in that: It also comprises a guide rod (24), a limit rod (2401) and a clamping block (25); the guide rod (24) is fixedly connected to the body (2); a clamping block (25) is arranged at the end of the guide rod (24); the limit rod (2401) is fixedly connected to the side of the liquid tank (4); the limit rod (2401) can slide into the guide rod (24) by means of a sliding engagement; the clamping block (25) limits and fixes the limit rod (2401); and the clamping block (25) can be compressed.

Images