CN213105589U

CN213105589U - Novel bottom plate boring grab

Info

Publication number: CN213105589U
Application number: CN202020370592.7U
Authority: CN
Inventors: 吴磊; 张瑀洲; 白书琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2021-05-04
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a novel bottom plate boring grab belongs to anchor clamps technical field, leads to the problem that the centre gripping subassembly became invalid after using and wearing and tearing for a long time among the solution prior art, the on-line screen storage device comprises a base, the bilateral symmetry of base sets up the support, the through hole has been seted up on the base, be provided with the screw rod in the through hole, the top of base is provided with the centre gripping subassembly, the centre gripping subassembly includes holding head, slide bar, screw nut, screw rod and first bevel gear, the one end fixed connection of holding head the slide bar, be provided with movable chamber in the slide bar, the inside fixed connection in movable chamber screw nut, screw nut female connection the screw rod, the one end fixed connection of screw rod first bevel gear, first bevel gear's lower extreme transmission is connected with drive assembly.

Description

Novel bottom plate boring grab

Technical Field

The utility model belongs to the technical field of anchor clamps, specifically relate to a novel bottom plate boring grab.

Background

A brake is a device having a function of decelerating, stopping, or maintaining a stopped state of a moving member (or a moving machine). Is a mechanical part that stops or decelerates moving parts in a machine. Commonly called brake and brake. The brake mainly comprises a braking frame, a braking piece, an operating device and the like. Some brakes are also equipped with automatic adjustment of the brake clearance. In order to reduce the braking torque and the structural size, the brake is usually mounted on the high-speed shaft of the equipment, but large equipment (such as a mine hoist, an elevator and the like) with higher requirements on safety is mounted on the low-speed shaft close to the working part of the equipment.

The brake bottom plate is a key part in the brake bottom plate assembly, is a support part for assembling a fixed brake shoe assembly and a brake drum in the automobile brake, is the core of the whole automobile brake, and is a key part in the brake bottom plate assembly, is a support part for assembling the fixed brake shoe assembly and the brake drum in the automobile brake, and is the core of the whole automobile brake.

But boring grab among the prior art passes through cylinder and hydraulic drive, and the accuracy is poor, and wearing and tearing are great, leads to the emergence of the clamping component condition of inefficacy easily after long-time the use, and at present, the designer urgently needs a boring grab of simple structure, dependable performance.

Disclosure of Invention

The utility model aims to provide a: in order to solve the problem that the clamping assembly fails after long-time use and abrasion in the prior art, the drilling clamp with the simple structure and the reliable performance is provided.

The utility model adopts the technical scheme as follows:

the utility model provides a novel bottom plate boring grab, includes the base, the bilateral symmetry of base sets up the support, the through hole has been seted up on the base, be provided with the screw rod in the through hole, the top of base is provided with the centre gripping subassembly, the centre gripping subassembly includes centre gripping head, slide bar, screw nut, screw rod and first bevel gear, the one end fixed connection of centre gripping head the slide bar, be provided with movable chamber in the slide bar, the inside fixed connection in activity chamber screw nut, screw nut female connection the screw rod, the one end fixed connection of screw rod first bevel gear, first bevel gear's lower extreme transmission is connected with drive assembly.

The utility model discloses a further preferred, the lower terminal surface of transmission case is provided with the spout, the slider slides and sets up in the spout.

The utility model discloses a further preferred, drive assembly includes motor, transmission case, first gear, axis of rotation, second gear and second bevel gear, the base passes through the support setting and is in the bottom of transmission case, the fixed setting of upside of transmission case the motor, motor drive connects first gear, the bilateral symmetry of first gear sets up the second gear, the second gear passes through axis of rotation transmission and connects second bevel gear, second bevel gear with first bevel gear meshing is connected, first bevel gear passes through the bearing frame and sets up the downside at the transmission case.

The utility model discloses a further preferred, the upside of transmission case is provided with the mount pad, the motor sets up in the mount pad, be provided with damper between mount pad and the motor.

The utility model discloses a further preferred, shock attenuation subassembly includes damping fin, spring and shock attenuation board, the outside of motor sets up the damping fin, the downside of damping fin sets up the spring, the downside of spring sets up the shock attenuation board, the shock attenuation board with mount pad fixed connection, the driving groove has all been seted up to the upside of damping fin, spring, shock attenuation board and transmission case, and the transmission shaft setting of motor is in the driving groove.

The utility model discloses a further preferred, the terminal surface that the supporting head is close to the guide rail is provided with the arc mounting groove, the rubber pad is installed to the arc mounting groove.

The utility model discloses a further preferred, the outside of centre gripping subassembly is provided with the protection casing, the one end of protection casing with the transmission case is articulated, the other end of protection casing with the middle part bolted connection of transmission case.

The working principle is as follows: the utility model discloses the during operation, put into the base with the work piece on, press from both sides tightly the work piece through the centre gripping subassembly, the drill bit is by running through the work piece of pore pair on the base operation of driling, rotatory first gear that drives through the motor, first gear engagement transmission second gear, the second gear passes through the axis of rotation and drives second bevel gear, second bevel gear engagement drives first bevel gear rotatory, first bevel gear drives the screw rod rotatory, because the one end of screw rod passes through the bearing frame and fixes the downside at the transmission case, and screw rod and screw nut threaded connection, thereby make screw nut remove about on the screw rod, and then make screw nut remove at the activity intracavity, and then drive slide bar and holding head, the holding head extrudees the work piece, fix a position and press from both sides tightly the work piece to the work piece.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses an on putting into the base with the work piece, press from both sides tightly the work piece through the centre gripping subassembly, the drill bit is by running through the work piece of pore pair on the base and carry out the drilling operation, press from both sides the rail at the chuck of pressing from both sides rail both sides through the symmetry setting, simple structure through the threaded connection between screw nut and the screw rod for the chuck presss from both sides tightly and relaxs the guide rail, design benefit connects through the meshing between first bevel gear and the second bevel gear, makes the motor transmit the power for the screw rod.

2. The utility model discloses a set up the slider in the outside of slide bar for the slider slides and sets up in the spout, reduce the vibration that the screw rod produced when rotatory, improve the screw rod extrusion guide rail time and the connectivity between the transmission case, carry on spacing preventing to the screw rod that the screw rod takes place the axial to rock simultaneously, improve the stability of centre gripping subassembly.

3. The utility model discloses a first gear of motor upper end and the epaxial second gear of rotation mesh mutually and connect, and then the first bevel gear of second bevel gear meshing drive, simple structure, design benefit through the gear with rotate the level transmission of wheel, has avoided the motor to the direct drive of screw rod, reduce the wearing and tearing between screw rod and the nut.

4. Through at the mount pad with set up damper unit between the motor, reduce the vibration and the noise of motor through the damping fin, reduce the impact of motor vibration to the mount pad through the spring, play the cushioning effect, connect the mount pad through the shock attenuation board, avoid the direct contact of spring and mount pad, reduce the wearing and tearing of spring, the shock attenuation board has reduced vibration and noise simultaneously.

5. The protective cover is arranged on the outer side of the clamping assembly, so that the screw rod, the first bevel gear, the second bevel gear, the sliding rod, the screw nut and the sliding groove are effectively protected, external interference is reduced, and the service life of the device is prolonged.

6. The rubber pad is arranged at the front section of the clamping head, so that the extrusion collision of the clamping head to the guide rail is reduced, a protective surface is formed on the surface of the guide rail, and the friction force between the clamping head and the guide rail is improved.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of the present invention.

Reference numerals: 1-transmission assembly, 2-rail clamping assembly, 3-vehicle body, 4-guide rail, 5-transmission box, 6-mounting seat, 7-damping sheet, 8-motor, 9-damping plate, 10-spring, 11-first gear, 12-second gear, 13-rotating shaft, 14-sliding chute, 15-sliding block, 16-movable cavity, 17-sliding rod, 18-through hole, 19-base, 20-lead screw nut, 21-screw rod, 22-first bevel gear, 23-bearing seat, 24-support, 25-protective cover, 26-second bevel gear, 27-clamping head and 28-rubber pad.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The present invention will be described in detail with reference to fig. 1.

The first embodiment is as follows: the utility model provides a novel bottom plate boring grab, includes base 19, base 19's bilateral symmetry sets up support 24, through hole 18 has been seted up on the base 19, be provided with screw rod 21 in the through hole 18, base 19's top is provided with the centre gripping subassembly, the centre gripping subassembly includes clamping head 27, slide bar 17, screw nut 20, screw rod 21 and first bevel gear 22, the one end fixed connection of clamping head 27 slide bar 17, be provided with movable chamber 16 in the slide bar 17, the inside fixed connection in movable chamber 16 screw nut 20, screw nut 20 female connection screw rod 21, the one end fixed connection of screw rod 21 first bevel gear 22, the lower extreme transmission of first bevel gear 22 is connected with drive assembly 1, drive assembly 1 includes motor 8, transmission case 5, first gear 11, Axis of rotation 13, second gear 12 and second bevel gear 26, base 19 passes through support 24 and sets up transmission case 5, the fixed setting in upside of transmission case 5 motor 8, motor 8 transmission is connected first gear 11, the bilateral symmetry of first gear 11 sets up second gear 12, second gear 12 passes through axis of rotation 13 transmission and connects second bevel gear 26, second bevel gear 26 with first bevel gear 22 meshing is connected, first bevel gear 22 passes through the downside that bearing frame 23 set up transmission case 5.

The working principle is as follows: when the utility model works, a workpiece is put on the base 19 and is clamped by the clamping component, the drill bit drills the workpiece on the base 19 through the through hole 18, the first gear 11 is driven by the rotation of the motor 8, the first gear 11 is engaged with and drives the second gear 12, the second gear 12 drives the second bevel gear 26 by the rotating shaft 13, the second bevel gear 26 is engaged with and drives the first bevel gear 22 to rotate, the first bevel gear 22 drives the screw 21 to rotate, since one end of the screw 21 is fixed to the lower side of the transmission case 5 through the bearing seat 23, and the screw 21 is threadedly coupled with the lead screw nut 20, so that the lead screw nut 20 moves left and right on the screw 21, and the screw nut 20 moves in the movable cavity 16, so as to drive the sliding rod 17 and the clamping head 27, and the clamping head 27 extrudes the workpiece to position and clamp the workpiece.

The second embodiment: this implementation is further optimized on the basis of embodiment 1, and this embodiment focuses on explaining the improvement compared with embodiment 1, and the same parts are not repeated, and the lower terminal surface of transmission case 5 is provided with spout 14, slider 15 slides and sets up in spout 14, through set up slider 15 in the outside of slide bar 17 for slider 15 slides and sets up in spout 14, reduces the vibration that produces when screw 21 is rotatory, improves the screw 21 when extruding guide rail 4 and the connectivity between transmission case 5, carries out spacing to screw 21 simultaneously and prevents that screw 21 from taking place the axial and rocking, improves the stability of centre gripping subassembly.

The third embodiment is as follows: the implementation is further optimized on the basis of embodiment 1, the embodiment focuses on explaining the improved parts compared with embodiment 1, the same parts are not repeated, the upper side of the transmission case 5 is provided with the mounting seat 6, the motor 8 is arranged in the mounting seat 6, a shock absorption assembly is arranged between the mounting seat 6 and the motor 8, the shock absorption assembly comprises a damping sheet 7, a spring 10 and a shock absorption plate 9, the damping sheet 7 is arranged at the outer side of the motor 8, the spring 10 is arranged at the lower side of the damping sheet 7, the shock absorption plate 9 is arranged at the lower side of the spring 10, the shock absorption plate 9 is fixedly connected with the mounting seat 6, transmission grooves are respectively formed at the upper sides of the damping sheet 7, the spring 10, the shock absorption plate 9 and the transmission case 5, a transmission shaft of the motor 8 is arranged in the transmission grooves, the vibration and noise of the motor 8 are reduced through the damping sheet 7, the impact of the vibration of the motor 8 on the mounting seat 6 is reduced through the, play the cushioning effect, connect mount pad 6 through damper plate 9, avoid the direct contact of spring 10 with mount pad 6, reduce the wearing and tearing of spring 10, damper plate 9 has reduced vibration and noise simultaneously.

The fourth embodiment is as follows: this implementation is further optimized on the basis of embodiment 1, and this embodiment emphatically explains the improvement part that compares with embodiment 1, and the same part is no longer repeated, the terminal surface that clamping head 27 is close to guide rail 4 is provided with the arc mounting groove, the rubber pad is installed to the arc mounting groove, sets up the rubber pad at the anterior segment of clamping head 27, reduces clamping head 27 to guide rail 4's extrusion collision, forms a protection face to the surface of guide rail 4 to the frictional force between clamping head 27 to guide rail 4 has been improved.

The fifth embodiment: this implementation is further optimized on the basis of embodiment 1, and this embodiment focuses on explaining the improvement compared with embodiment 1, and the same parts are not repeated, the outside of centre gripping subassembly is provided with protection casing 25, one end of protection casing 25 with transmission case 5 is articulated, the other end of protection casing 25 with the middle part bolted connection of transmission case 5, through be provided with protection casing 25 in the outside of centre gripping subassembly, carry out effectual protection to screw rod 21, first bevel gear 22, second bevel gear 26, slide bar 17, lead screw nut 20 and spout 14, reduce external interference, improved the life of device.

Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure and claims of this application. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.

Claims

1. A novel bottom plate drilling clamp comprises a base (19) and is characterized in that two sides of the base (19) are symmetrically provided with brackets (24), a through hole (18) is arranged on the base (19), a clamping component is arranged above the base (19), the clamping assembly comprises a clamping head (27), a sliding rod (17), a lead screw nut (20), a screw rod (21) and a first bevel gear (22), one end of the clamping head (27) is fixedly connected with the sliding rod (17), a movable cavity (16) is arranged in the sliding rod (17), the inner part of the movable cavity (16) is fixedly connected with the screw rod nut (20), the screw rod nut (20) is connected with the screw rod (21) in an internal thread way, one end of the screw rod (21) is fixedly connected with the first bevel gear (22), the lower end of the first bevel gear (22) is in transmission connection with a transmission assembly (1).

2. A new floor drilling jig according to claim 1, characterized in that the transmission assembly (1) comprises an electric motor (8), a transmission case (5), a first gear (11), a rotary shaft (13), a second gear (12) and a second bevel gear (26), the base (19) is arranged at the bottom of the transmission case (5) through a bracket (24), the motor (8) is fixedly arranged on the upper side of the transmission case (5), the motor (8) is in transmission connection with the first gear (11), the second gears (12) are symmetrically arranged on two sides of the first gear (11), the second gear (12) is in transmission connection with the second bevel gear (26) through a rotating shaft (13), the second bevel gear (26) is in meshed connection with the first bevel gear (22), the first bevel gear (22) is arranged on the lower side of the transmission case (5) through a bearing seat (23).

3. A novel floor boring jig according to claim 2, characterized in that the lower end surface of the transmission case (5) is provided with a sliding groove (14), the outside of the sliding rod (17) is provided with a sliding block, and the sliding block (15) is slidably arranged in the sliding groove (14).

4. The novel bottom plate drilling clamp according to claim 2, wherein a mounting seat (6) is arranged on the upper side of the transmission case (5), the motor (8) is arranged in the mounting seat (6), and a damping component is arranged between the mounting seat (6) and the motor (8).

5. The novel bottom plate drilling clamp according to claim 4, wherein the damping assembly comprises a damping fin (7), a spring (10) and a damping plate (9), the damping fin (7) is arranged on the outer side of the motor (8), the spring (10) is arranged on the lower side of the damping fin (7), the damping plate (9) is arranged on the lower side of the spring (10), the damping plate (9) is fixedly connected with the mounting seat (6), transmission grooves are formed in the upper sides of the damping fin (7), the spring (10), the damping plate (9) and the transmission case (5), and the transmission shaft of the motor (8) is arranged in the transmission grooves.

6. The novel floor boring jig of claim 1, characterized in that the end face of the gripping head (27) near the guide rail (4) is provided with an arc-shaped mounting groove, which is fitted with a rubber pad (28).

7. The novel floor drilling jig according to claim 2, characterized in that a protective cover (25) is arranged on the outer side of the clamping assembly, one end of the protective cover (25) is hinged with the transmission case (5), and the other end of the protective cover (25) is connected with the middle part of the transmission case (5) through a bolt.