Rapid clamp for railway accessory machining

Abstract

The utility model discloses a quick fixture for processing railway accessories, which comprises a base, two fixing blocks are symmetrically and fixedly mounted at the top of the base, a hollow fixing shell is fixedly mounted between the two fixing blocks, and a clamping piece is mounted at the lower part in the hollow fixing shell. Two inverted-L-shaped rotating blocks are symmetrically arranged in the middle of the interior of the hollow fixed shell, connecting shafts are fixedly connected to the upper portions of the two inverted-L-shaped rotating blocks, the two connecting shafts are rotationally connected to the interior of the hollow fixed shell, the lower portions of the two inverted-L-shaped rotating blocks are in transmission connection with the clamping piece, and a telescopic cylinder is installed at the top of the interior of the hollow fixed shell; the telescopic end of the telescopic cylinder is in transmission connection with the upper portions of the two inverted-L-shaped rotating blocks. According to the rapid clamp for railway accessory machining, accessories can be rapidly clamped and fixed, adjustment is easy and convenient, clamping and fixing are stable and reliable, and the performance of the rapid clamp can meet the use requirement for convenient and rapid clamping.

Description

Technical Field

[0001] The utility model belongs to the technical field of clamps, in particular to a quick clamp for processing railway accessories. Background Art

[0002] Railway accessories refer to various parts and equipment used in railway construction and maintenance. There are many types of railway accessories, including tracks, switches, sleepers, fasteners, switch machinery, contact network equipment, signal equipment, vehicle parts, etc. Railway accessories need to be clamped and fixed during the processing process to ensure the stability and quality of the processing. However, the existing clamps cannot clamp and fix the accessories quickly and conveniently, which affects the efficiency and speed of accessory processing. Therefore, in view of the above problems, it is necessary to design a quick clamp for railway accessories processing. Utility Model Content

[0003] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick clamp for processing railway accessories, comprising a base, two fixed blocks are symmetrically fixedly installed on the top of the base, a hollow fixed shell is fixedly installed between the two fixed blocks, a clamping piece is installed at the lower part of the hollow fixed shell, two inverted L-shaped rotating blocks are symmetrically arranged in the middle part of the hollow fixed shell, the upper parts of the two inverted L-shaped rotating blocks are fixedly connected with connecting shafts, the two connecting shafts are rotatably connected to the inside of the hollow fixed shell, the lower parts of the two inverted L-shaped rotating blocks are transmission-connected to the clamping piece, a telescopic cylinder is installed at the top of the hollow fixed shell, and the telescopic ends of the telescopic cylinder are transmission-connected to the upper parts of the two inverted L-shaped rotating blocks.

[0004] Preferably, the clamping member includes a sliding rod fixedly connected to the lower part of the hollow fixed shell, and two sliding blocks are movably sleeved on the surface of the sliding rod. The two sliding blocks are slidably installed inside the hollow fixed shell, and mounting blocks are symmetrically fixedly installed on the bottom of the two sliding blocks. The two ends of the two mounting blocks are located outside the two sides of the hollow fixed shell, and clamping blocks are installed on both ends of the opposite sides of the two mounting blocks.

[0005] Preferably, a toggle block is fixedly installed on the top of the two sliding blocks, a toggle vertical groove is opened in the middle of the top of the two toggle blocks, and a first toggle pin is fixedly installed on one side of the lower part of the two inverted L-shaped rotating blocks, and the two first toggle pins are respectively located inside the two vertical toggle grooves, so that clamping and adjustment can be performed quickly.

[0006] Preferably, a second toggle pin is fixedly installed on one side of the upper part of the two inverted L-shaped rotating blocks, a lifting block is fixedly installed on the telescopic end of the telescopic cylinder, and both ends of the lifting block are provided with toggle transverse grooves, and the two second toggle pins are respectively located inside the two toggle transverse grooves.

[0007] Preferably, an inverted T-shaped slider is fixedly installed in the middle of one side of the lifting block, and an inverted T-shaped slide groove is opened in the middle of one side inside the hollow fixed shell. The inverted T-shaped slider is slidably installed inside the inverted T-shaped slide groove, thereby effectively adjusting the two inverted L-shaped rotating blocks.

[0008] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a base, a fixed block, a hollow fixed shell, an inverted L-shaped rotating block, a connecting shaft, a telescopic cylinder and a clamping piece, the quick clamp for railway parts processing can quickly clamp and fix the parts, the adjustment is simple and convenient, the clamping and fixing are stable and reliable, and the performance thereof can meet the use requirements of convenient and quick clamping. At the same time, the quick clamp has a simple structural design, is easy to use, and has a firm clamping, and its practicality can meet the use requirements of railway parts processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0010] In the attached picture:

[0011] Figure 1 This is a schematic diagram of the structure of a quick clamp for processing railway accessories of the utility model;

[0012] Figure 2 This is a schematic cross-sectional view of the structure of the quick clamp for machining railway parts of the utility model;

[0013] Figure 3 For this utility model Figure 2 A schematic cross-sectional view of the hollow fixed shell;

[0014] In the figure: 1. base; 2. fixed block; 3. hollow fixed shell; 4. inverted L-shaped rotating block; 5. connecting shaft; 6. telescopic cylinder; 7. sliding rod; 8. slider; 9. mounting block; 10. clamping block; 11. toggle block; 12. toggle vertical groove; 13. first toggle pin; 14. second toggle pin; 15. lifting block; 16. toggle horizontal groove; 17. inverted T-shaped slider; 18. inverted T-shaped slide groove. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] Depend onFigures 1 to 3 The utility model comprises a base 1, two fixed blocks 2 are symmetrically fixedly installed on the top of the base 1, a hollow fixed shell 3 is fixedly installed between the two fixed blocks 2, a clamping piece is installed at the lower part of the hollow fixed shell 3, two inverted L-shaped rotating blocks 4 are symmetrically arranged in the middle part of the hollow fixed shell 3, the upper parts of the two inverted L-shaped rotating blocks 4 are fixedly connected with connecting shafts 5, the two connecting shafts 5 are rotatably connected to the inside of the hollow fixed shell 3, the lower parts of the two inverted L-shaped rotating blocks 4 are transmission-connected with the clamping piece, a telescopic cylinder 6 is installed on the top of the hollow fixed shell 3, and the telescopic ends of the telescopic cylinder 6 are connected to the two The upper part of the two inverted L-shaped rotating blocks 4 is connected to each other through transmission, and a second toggle pin 14 is fixedly installed on one side of the upper part of the two inverted L-shaped rotating blocks 4. A lifting block 15 is fixedly installed on the telescopic end of the telescopic cylinder 6. Both ends of the lifting block 15 are provided with a toggle transverse groove 16. The two second toggle pins 14 are respectively located inside the two toggle transverse grooves 16. An inverted T-shaped slider 17 is fixedly installed in the middle of one side of the lifting block 15. An inverted T-shaped slide groove 18 is opened in the middle of one side of the hollow fixed shell 3. The inverted T-shaped slider 17 is slidably installed in the inverted T-shaped slide groove 18, so that the two inverted L-shaped rotating blocks 4 can be effectively adjusted;

[0017] By controlling the extension and retraction of the telescopic cylinder 6, the telescopic cylinder 6 drives the lifting block 15 to move. The movement of the lifting block 15 will cause the inverted T-shaped slider 17 to slide inside the inverted T-shaped slide groove 18 so that the lifting block 15 can move stably. The movement of the lifting block 15 will drive the two second driving pins 14 through the two driving transverse grooves 16, so that the two inverted L-shaped rotating blocks 4 can be synchronously rotated and adjusted relative to or opposite to each other.

[0018] The clamping member includes a slide bar 7 fixedly connected to the lower part of the hollow fixed shell 3, and two slide blocks 8 are movably sleeved on the surface of the slide bar 7. The two slide blocks 8 are slidably installed in the interior of the hollow fixed shell 3. The bottoms of the two slide blocks 8 are symmetrically fixed with mounting blocks 9, and the two ends of the two mounting blocks 9 are located outside the two sides of the hollow fixed shell 3, and the two ends of the opposite sides of the two mounting blocks 9 are installed with clamping blocks 10. The tops of the two slide blocks 8 are fixedly installed with toggle blocks 11, and the middle parts of the tops of the two toggle blocks 11 are provided with toggle vertical grooves 12. One side of the lower part of the two inverted L-shaped rotating blocks 4 is fixedly installed with first toggle pins 13, and the two first toggle pins 13 are respectively located in the two toggle vertical grooves 12, so that the clamping adjustment can be quickly performed;

[0019] Place the fitting between two opposite clamping blocks 10. This fixture can process in a two-station mode. Then, by rotating two inverted L-shaped rotating blocks 4, the lower parts of the two inverted L-shaped rotating blocks 4 rotate towards each other. The two inverted L-shaped rotating blocks 4 that rotate towards each other will drive two first toggle pins 13 and a toggle vertical groove 12 to drive two toggle blocks 11 to move towards each other. The two toggle blocks 11 that move towards each other will drive two sliders 8 to move relative to the surface of a slide bar 7. The two sliders 8 that move relative to each other will drive two mounting blocks 9 to move towards each other. Finally, the two clamping blocks 10 that move towards each other can clamp and fix the fitting.

[0020] Since the lower parts of the two inverted L-shaped rotating blocks 4 are relatively long, the rotation of the inverted L-shaped rotating blocks 4 can quickly drive the toggle blocks 11 and the sliders 8 to move.

[0021] This quick fixture for railway fitting processing can quickly clamp and fix the fitting. Its adjustment is simple and convenient, and the clamping and fixing are stable and reliable. Its performance can meet the usage requirements of convenient and quick clamping. At the same time, the structure of this quick fixture is simple in design, easy to use, and has a firm clamping. Its practicability can meet the usage requirements of railway fitting processing.

Claims

1. A quick clamp for railway parts processing, comprising a base (1), characterized in that: Two fixed blocks (2) are symmetrically fixedly installed on the top of the base (1); a hollow fixed shell (3) is fixedly installed between the two fixed blocks (2); a clamping piece is installed at the lower part of the hollow fixed shell (3); two inverted L-shaped rotating blocks (4) are symmetrically arranged in the middle part of the hollow fixed shell (3); the upper parts of the two inverted L-shaped rotating blocks (4) are fixedly connected with connecting shafts (5); the two connecting shafts (5) are rotatably connected to the inside of the hollow fixed shell (3); the lower parts of the two inverted L-shaped rotating blocks (4) are transmission-connected to the clamping piece; a telescopic cylinder (6) is installed at the top of the hollow fixed shell (3); the telescopic ends of the telescopic cylinder (6) are transmission-connected to the upper parts of the two inverted L-shaped rotating blocks (4).

2. The quick clamp for railway parts processing according to claim 1, characterized in that: The clamping member comprises a slide bar (7) fixedly connected to the lower part of the hollow fixed shell (3), two slide blocks (8) are movably sleeved on the surface of the slide bar (7), the two slide blocks (8) are slidably installed inside the hollow fixed shell (3), and mounting blocks (9) are symmetrically fixedly installed at the bottom of the two slide blocks (8), the two ends of the two mounting blocks (9) are located outside the two sides of the hollow fixed shell (3), and clamping blocks (10) are installed at the two ends of the opposite sides of the two mounting blocks (9).

3. The quick clamp for railway parts processing according to claim 2 is characterized in that: A toggle block (11) is fixedly mounted on the top of the two sliding blocks (8), a toggle vertical groove (12) is provided in the middle of the top of the two toggle blocks (11), a first toggle pin (13) is fixedly mounted on one side of the lower part of the two inverted L-shaped rotating blocks (4), and the two first toggle pins (13) are respectively located inside the two toggle vertical grooves (12).

4. The quick clamp for railway parts processing according to claim 1, characterized in that: A second toggle pin (14) is fixedly mounted on one side of the upper part of the two inverted L-shaped rotating blocks (4), a lifting block (15) is fixedly mounted on the telescopic end of the telescopic cylinder (6), both ends of the lifting block (15) are provided with toggle transverse grooves (16), and the two second toggle pins (14) are respectively located inside the two toggle transverse grooves (16).

5. The quick clamp for railway parts processing according to claim 4, characterized in that: An inverted T-shaped slider (17) is fixedly installed in the middle of one side of the lifting block (15), an inverted T-shaped slide groove (18) is opened in the middle of one side inside the hollow fixed shell (3), and the inverted T-shaped slider (17) is slidably installed inside the inverted T-shaped slide groove (18).

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