Drilling device for road and bridge construction

Abstract

The utility model discloses a drilling device for road and bridge construction, which relates to the technical field of road and bridge construction, and comprises a movable cart, a drilling device, a drilling device and a drilling device, and the front part of a bottom plate of the movable cart is provided with a groove; the transmission frame is arranged above the groove, a lead screw is rotationally nested in the transmission frame, the lead screw is sleeved with a nut seat, a limiting block is arranged on the nut seat, a drill rod is rotationally nested in the limiting block through a bearing, and a limiting plate seat is fixed to the bottom end of the front side of the transmission frame; a limiting through hole is formed in the limiting plate base, and the bottom end of the drill rod penetrates through the limiting through hole to be fixedly provided with a drill bit. By arranging the limiting block and the limiting plate seat, the drilling rod can be limited, and the drilling rod is effectively prevented from deviating in the downward moving process, so that a drill bit at the bottom end of the drilling rod is prevented from deviating, and the stability of drilling work is effectively guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to road and bridge construction technical field, concretely relates to a road and bridge construction drilling device. BACKGROUND

[0002] Drilling refers to the operation of machining a hole on a solid material by rotating a drill bit driven by a motor, and a drilling machine refers to a machine and equipment that leave a cylindrical hole or a cavity on a target object by rotating cutting or rotating extrusion with a tool that is harder and sharper than the target object.

[0003] At present, the drill rod used for drilling in road and bridge construction is long, and the drill bit at the bottom thereof rubs against the ground to generate a large torsional force. Since no mechanism is provided for positioning and limiting the drill rod, the drill rod deviates during drilling, so that the drill bit at the bottom thereof deviates, resulting in poor drilling stability of the device. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a road and bridge construction drilling device to solve the problems in the background art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a road and bridge construction drilling device, comprising:

[0006] A mobile cart is provided with a groove in the front part of the bottom plate;

[0007] A transmission frame is arranged above the groove, a lead screw is rotatably nested in the inside of the transmission frame, a nut seat is sleeved on the lead screw, a limiting block is arranged on the nut seat, a drill rod is rotatably nested in the limiting block through a bearing, a limiting plate seat is fixed to the front bottom end of the transmission frame, a limiting through hole is formed in the limiting plate seat, and a drill bit is fixed to the bottom end of the drill rod penetrating through the limiting through hole;

[0008] A support seat is fixed to the edge of the groove, an electric push rod is installed on the support seat, and a splash-proof cover is connected to the telescopic end of the electric push rod;

[0009] A first motor and a second motor are connected to the top end of the lead screw and the top end of the drill rod, respectively.

[0010] Preferably, a plurality of balls are movably embedded in the inner wall of the limiting through hole at equal intervals, the side wall of the ball abuts against the side wall of the drill rod, and the balls are arranged to reduce the friction between the drill rod and the inner wall of the limiting through hole, thereby reducing the damage to the drill rod.

[0011] Preferably, the splash-proof cover is nested in the groove, the top of the splash-proof cover is provided with a through opening, the diameter of the through opening is larger than the diameter of the limiting through hole, the bottom end of the drill rod penetrates through the through opening, and the drill bit is nested in the splash-proof cover;

[0012] Through the setting of the splash-proof cover, the generated sundries during drilling can be intercepted, and damage to the operator caused by the sundries flying around can be avoided.

[0013] Preferably, the first motor is installed at the top of the transmission frame, the front end of the nut seat is fixedly provided with a mounting seat, and the second motor is installed on the mounting seat, so that the first motor and the second motor are firmly and stably installed.

[0014] Preferably, the bottom plate of the movable trolley is fixedly provided with a support frame, the support frame is located behind the groove, the front side of the support frame is fixedly connected with the rear side of the transmission frame, and the transmission frame is firmly installed.

[0015] Preferably, the bottom front end of the nut seat is fixedly provided with a connecting plate, and the front bottom end of the connecting plate is connected with the rear end of the limiting block, so that the nut seat and the limiting block are firmly connected.

[0016] Preferably, the front side of the transmission frame is provided with a transmission cavity, the lead screw is nested in the transmission cavity, the left and right side walls of the transmission cavity are fixedly provided with sliding rails, and the left and right sides of the nut seat are fixedly provided with sliding seats, the sliding seats are slidingly installed on the sliding rails, the nut seat is limited, the nut seat can be effectively prevented from being deflected during movement, and the nut seat can be stably moved in the transmission cavity.

[0017] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0018] 1. By setting the limiting block and the limiting plate seat, the drill rod can be limited, the drill rod can be effectively prevented from being deviated during downward movement, the drill bit at the bottom end of the drill rod can be prevented from being deviated, and the stability of the drilling work can be effectively ensured.

[0019] 2. By setting the electric push rod and the splash-proof cover, the electric push rod works to push the splash-proof cover to move downward, the splash-proof cover covers the position needing to be drilled, the generated sundries during drilling can be intercepted, and damage to the operator caused by the sundries flying around can be avoided. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0021] Figure 1 It is the whole structure schematic view of the utility model;

[0022] Figure 2 It is the mobile trolley structure schematic view of the utility model;

[0023] Figure 3 It is the transmission frame and drill rod connection schematic view of the utility model;

[0024] Figure 4 It is the nut seat and drill rod connection schematic view of the utility model;

[0025] Figure 5 It is the transmission frame and limit plate seat connection schematic view of the utility model;

[0026] Figure 6 It is the limit plate seat structure schematic view of the utility model.

[0027] Mark explanation:

[0028] 1, mobile trolley, 2, recess, 3, support frame, 4, transmission frame, 5, screw rod, 6, nut seat, 7, connecting plate, 8, limit block, 9, drill rod, 10, drill bit, 11, limit plate seat, 12, limit through hole, 13, support seat, 14, electric push rod, 15, splash guard, 16, first motor, 17, second motor, 18, ball, 19, through port, 20, mounting seat, 21, sliding seat. Specific implementation

[0029] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be further introduced in detail below in conjunction with the drawings.

[0030] The utility model provides a kind of road and bridge construction drilling device as shown in Figures 1 to 6 Including:

[0031] Mobile trolley 1, recess 2 is set in the front of the bottom plate of mobile trolley 1;

[0032] Transmission frame 4, transmission frame 4 is located above recess 2, and screw rod 5 is rotationally nested in the inside of transmission frame 4, nut seat 6 is sleeved on screw rod 5, limit block 8 is arranged on nut seat 6, drill rod 9 is rotationally nested in limit block 8 by bearing, limit plate seat 11 is fixed to the front side bottom end of transmission frame 4, limit through hole 12 is formed in limit plate seat 11, and drill bit 10 is fixed to the bottom end of drill rod 9 and penetrates limit through hole 12;

[0033] First motor 16 and second motor 17, the output end of first motor 16 is connected with the top end of screw rod 5, and the output end of second motor 17 is connected with the top end of drill rod 9.

[0034] The inner wall of the limiting through hole 12 movably inlays a plurality of rolling balls 18 at equal intervals, the side wall of the rolling ball 18 abuts against the side wall of the drill rod 9, through the arrangement of the rolling ball 18, the friction between the drill rod 9 and the inner wall of the limiting through hole 12 is reduced, thereby reducing the damage to the drill rod 9.

[0035] The first motor 16 is installed on the top of the transmission frame 4, the front end of the nut seat 6 is fixedly provided with a mounting seat 20, and the second motor 17 is installed on the mounting seat 20, so that the first motor 16 and the second motor 17 are firmly and stably installed.

[0036] The bottom plate of the mobile trolley 1 is fixedly provided with a supporting frame 3, the supporting frame 3 is located at the rear of the groove 2, and the front side of the supporting frame 3 is fixedly connected with the rear side of the transmission frame 4, so that the transmission frame 4 is firmly installed.

[0037] The bottom front end of the nut seat 6 is fixedly provided with a connecting plate 7, and the front bottom end of the connecting plate 7 is connected with the rear end of the limiting block 8, so that the nut seat 6 and the limiting block 8 are firmly connected.

[0038] The front side of the transmission frame 4 is provided with a transmission cavity, the lead screw 5 is nested in the transmission cavity, the left and right side walls of the transmission cavity are fixedly provided with sliding rails, and the left and right sides of the nut seat 6 are fixedly provided with sliding seats 21, the sliding seats 21 are slidably installed on the sliding rails, the nut seat 6 is limited, the nut seat 6 can be effectively prevented from being deflected during movement, and the nut seat 6 moves stably in the transmission cavity.

[0039] In the utility model, the second motor 17 drives the drill rod 9 to rotate, and the first motor 16 drives the lead screw 5 to rotate at the same time, the lead screw 5 rotates and drives the nut seat 6 to move on the lead screw 5, thereby driving the drill rod 9 to move downwards, the drill bit 10 at the bottom end of the drill rod 9 is in contact with the ground and drills the ground, the nut seat 6 is provided with the limiting block 8, the drill rod 9 is rotatably nested in the limiting block 8 through a bearing, the front bottom end of the transmission frame 4 is fixedly provided with a limiting plate seat 11, the bottom end of the drill rod 9 penetrates the limiting through hole 12 on the limiting plate seat 11, the limiting block 8 and the limiting plate seat 11 are arranged, the drill rod 9 can be limited, the drill rod 9 can be effectively prevented from deviating during movement, thereby preventing the drill bit 10 at the bottom end of the drill rod 9 from deviating, and the stability of the drilling work is effectively ensured.

[0040] As shown in Figure 1 and Figure 2 , the bracket seat 13 is fixedly arranged on the edge of the groove 2, the electric push rod 14 is installed on the bracket seat 13, and the telescopic end of the electric push rod 14 is connected with the splash-proof cover 15.

[0041] The splash-proof cover 15 is nested in the groove 2, the top of the splash-proof cover 15 is provided with a through hole 19, the diameter of the through hole 19 is greater than that of the limiting through hole 12, the bottom end of the drill rod 9 penetrates the through hole 19, and the drill bit 10 is nested in the splash-proof cover 15.

[0042] Through the setting of the splash guard 15, the generated earth and stone blocks and the like can be intercepted when drilling, so as to avoid the damage to the operator caused by the flying of the earth and stone blocks and the like.

[0043] In the utility model, the splash guard 15 is set, when drilling, the electric push rod 14 works and pushes the splash guard 15 to move downwards, so that the splash guard 15 covers the position needing to be drilled, the generated sundries can be intercepted when drilling, so as to avoid the damage to the operator caused by the flying of the sundries.

[0044] The above only describes some exemplary embodiments of the utility model by way of illustration, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the protection scope of the utility model claims.

Claims

1. A bridge construction drilling device, characterized by comprising: Include: Mobile trolley (1), the bottom plate front of mobile trolley (1) is provided with recess (2); Transmission frame (4) is provided above recess (2), the inside rotation of transmission frame (4) is nested with lead screw (5), nut block (6) is connected on lead screw (5), limit block (8) is provided on nut block (6), drill rod (9) is rotationally nested in limit block (8), limit plate seat (11) is fixed on the front side bottom end of transmission frame (4), limit through hole (12) is provided on limit plate seat (11), drill bit (10) is fixed on the bottom end of drill rod (9) and penetrates limit through hole (12); Support seat (13) is fixed on the edge of recess (2), electric push rod (14) is installed on support seat (13), splash guard (15) is connected to the telescopic end of electric push rod (14); First motor (16) and second motor (17), the output end of first motor (16) is connected with the top end of lead screw (5), the output end of second motor (17) is connected with the top end of drill rod (9).

2. The bridge construction drilling device according to claim 1, characterized in that: The inner wall of limit through hole (12) is movably embedded with a plurality of balls (18), the side wall of ball (18) abuts against the side wall of drill rod (9).

3. The bridge construction drilling device according to claim 1, characterized in that: The splash guard (15) is nested in recess (2), the top of splash guard (15) is provided with a through hole (19), the diameter of through hole (19) is greater than the diameter of limit through hole (12), the bottom end of drill rod (9) penetrates through hole (19), drill bit (10) is nested in splash guard (15).

4. The bridge construction drilling device according to claim 1, characterized in that: The first motor (16) is installed on the top of transmission frame (4), the front end of nut block (6) is fixed with mounting seat (20), the second motor (17) is installed on mounting seat (20).

5. The bridge construction drilling device according to claim 1, characterized in that: The bottom plate of mobile trolley (1) is fixed with support frame (3), support frame (3) is located behind recess (2), the front side of support frame (3) is fixedly connected with the rear side of transmission frame (4).

6. The bridge construction drilling device according to claim 1, characterized in that: The bottom front end of nut block (6) is fixed with connecting plate (7), the front side bottom end of connecting plate (7) is connected with the rear end of limit block (8).

7. The bridge construction drilling device according to claim 1, characterized in that: The front side of transmission frame (4) is provided with transmission cavity, lead screw (5) is nested in transmission cavity, the left and right two side walls of transmission cavity are fixed with slide rail, the left and right sides of nut block (6) are fixed with slide block (21), slide block (21) is slidingly installed on slide rail.

Images