CN211107436U

CN211107436U - Planing type anti-creep device

Info

Publication number: CN211107436U
Application number: CN201921726729.1U
Authority: CN
Inventors: 陈英杰; 张庆成; 艾华宗
Original assignee: Wuhan CRRC Long Passenger Railway Vehicles Co Ltd
Current assignee: Wuhan CRRC Long Passenger Railway Vehicles Co Ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-28
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a dig formula anticreeper, which comprises a mounting bas, the middle part of mount pad is provided with the mounting hole, the inside embedding of mounting hole has the energy-absorbing pipe, the top of energy-absorbing pipe is installed and is prevented climbing the tooth, the energy-absorbing pipe includes energy-absorbing pipe body, the inside of energy-absorbing pipe body is provided with the through-hole, the bottom embedding of through-hole has the apron, the outside of energy-absorbing pipe body is provided with a plurality of guide ways, the guide way is parallel with the axis of through-hole, install a plurality of cutters on the mount pad, the cutter includes the blade holder, the top of blade holder is provided with the tool bit, the indent cambered surface, tool bit and energy-absorbing pipe butt, the inside of mount pad is provided with outer locating hole, be provided with interior locating hole. The planing type anti-creeper is convenient to install and use.

Description

Planing type anti-creep device

Technical Field

The utility model belongs to the technical field of the track traffic technique and specifically relates to a dig formula anticreeper is related to.

Background

People pay more and more attention to trip safety nowadays, and car end anti-creep energy-absorbing device also uses more and more, and is more and more important. The planing type anti-creeper is one of common vehicle-end anti-creep energy-absorbing devices, and mainly comprises an energy-absorbing pipe, a mounting seat, anti-creep teeth, a cutter, a positioning pin and a cover plate, wherein the cutter and the energy-absorbing pipe are core energy-absorbing components. The performance of the anti-creep energy-absorbing device is mainly considered from two important parameters of cutting force and energy-absorbing stroke, the energy-absorbing tube is a cut part in the energy-absorbing process, and the surface layer of the energy-absorbing tube is cut, convoluted and shed by a cutter to dissipate the energy of vehicle body collision. The material and cutting thickness of the energy absorption pipe determine the size of the energy absorption.

When the energy absorption pipe in the existing planing type anti-creeper is installed on the installation seat, the energy absorption pipe is difficult to be inserted into an inner hole of the installation seat because the energy absorption pipe and the installation seat are in interference fit; in addition, the inner part of the energy absorption tube is of a solid structure, so that materials are wasted; in addition, the energy absorption pipe is easy to rotate when being cut; the metal cut by the cutter in the existing planing type anti-creeper is not easy to convolute during cutting, and the cutter is not easy to mount. Therefore, a planing type anti-creeper which is convenient to install and use is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a planing anticreeper of simple to operate, convenient to use to the technical problem who exists among the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a dig formula anticreeper, includes the mount pad, the middle part of mount pad is provided with the mounting hole, the inside embedding of mounting hole has the energy-absorbing pipe, the top of energy-absorbing pipe is installed and is prevented climbing the tooth, the energy-absorbing pipe includes energy-absorbing pipe body, the inside of energy-absorbing pipe body is provided with the through-hole, the bottom embedding of through-hole has the apron, the outside of energy-absorbing pipe body is provided with a plurality of guide ways, the guide way with the axis of through-hole is parallel, install a plurality of cutters on the mount pad, the cutter includes the blade holder, the top of blade holder is provided with tool bit, indent cambered surface, the tool bit with energy-absorbing pipe butt, the inside of mount pad is provided with outer locating hole, be provided with interior locating hole on the pipe wall of energy-absorbing pipe, outer locating hole with the inside embedding of.

Preferably, in the planing type anti-creeper, a counter bore is arranged inside the tool apron and is adapted to be fixed on the mounting seat through a bolt.

Preferably, in the planing type anti-creeper described above, the cutters are circumferentially arranged around the center of the mounting hole.

Preferably, in the planing type anti-creeper, a chamfer is arranged at the edge of the bottom surface of the energy absorption pipe body, so that the planing type anti-creeper is suitable for press fitting.

Preferably, in the planing type anti-creeper, the cutter is made of alloy steel.

Preferably, in the planing type anti-creeper, the energy absorbing pipe is made of low carbon steel.

The utility model has the advantages that: when using this planing formula anticreeper, the bottom surface edge of energy-absorbing pipe body is provided with the chamfer, the pressure equipment of being convenient for when embedding the inside of mounting hole with it. The through holes are formed in the energy absorption pipe body, so that weight reduction is facilitated, and materials are saved. The energy-absorbing pipe is characterized in that an outer positioning hole is formed in the mounting seat, an inner positioning hole is formed in the pipe wall of the energy-absorbing pipe, the outer positioning hole and the inner positioning hole are located on the same straight line when the energy-absorbing pipe is mounted, and a positioning pin is embedded into the outer positioning hole and the inner positioning hole, so that the positioning effect can be achieved, and the energy-absorbing pipe is prevented from deflecting during collision. During cutting, the cut metal slides along the back corner surface, and the guide groove is convenient to convolute during cutting through the guide convolution of the concave cambered surface. The planing type anti-creeper is convenient to install and use.

Drawings

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

FIG. 2 is a top view of the mount of FIG. 1;

FIG. 3 is a perspective view of an energy absorbing tube;

FIG. 4 is a side view of an energy absorbing tube;

FIG. 5 is a cross-sectional view B-B of FIG. 4;

FIG. 6 is a perspective view of the tool;

FIG. 7 is a top view of the tool;

FIG. 8 is a cross-sectional view A-A of FIG. 7;

fig. 9 is a side view of the tool.

In the drawings, the components represented by the respective reference numerals are listed below:

1. the energy-absorbing pipe comprises a mounting seat, 2, a cutter, 21, a cutter head, 211, a front corner surface, 212, a rear corner surface, 22, an inner concave arc surface, 23, a counter bore, 24, a cutter seat, 3, an energy-absorbing pipe, 31, an energy-absorbing pipe body, 32, a guide groove, 33, an initial cutting plane, 34, an inner positioning hole, 35, a cover plate, 36, a chamfer, 37, a through hole, 4, an anti-creeping tooth, 5, an outer positioning hole, 6, a mounting hole, 7 and a positioning pin.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1, the planing type anti-creeper comprises a mounting base 1, wherein a mounting hole 6 is formed in the middle of the mounting base 1, and an energy absorption pipe 3 is embedded into the mounting hole 6. The top of the energy absorption pipe 3 is provided with an anti-climbing tooth 4.

As shown in fig. 3, 4 and 5, the energy-absorbing tube 3 includes an energy-absorbing tube body 31, and the energy-absorbing tube body 31 is provided with a through hole 37 inside, so as to reduce weight and save material. The cover plate 35 is embedded in the bottom of the through hole 37. The energy absorbing pipe body 31 is provided at the outside thereof with a plurality of guide grooves 32, and the guide grooves 32 are parallel to the central axis of the through-hole 37. The specific guide groove 32 is used for installing the cutter 2, and simultaneously, the cutting thickness is controlled, so that the convolution energy absorption of the outer wall is facilitated. The bottom of the guide groove 32 is provided with an initial cutting plane 33, the cutter head 21 abuts against the initial cutting plane 33, and the guide groove 32 facilitates convolution at the time of cutting. The energy absorption pipe 3 is made of low-carbon steel. The energy absorbing tube body 31 is provided with a chamfer 36 at its bottom edge to facilitate press fitting when it is inserted into the mounting hole 6.

As shown in fig. 2, 6, 7, 8 and 9, a plurality of cutters 2 are mounted on the mounting base 1, and the cutters 2 are made of alloy steel, so that the cutting performance is good. The wear resistance and hardness of the cutter are increased by modulation treatment, and the cutting performance is further improved. The cutter 2 comprises a cutter seat 24, and the top of the cutter seat 24 is provided with a cutter head 21 and a concave cambered surface 22. The cutter head 21 abuts against the energy absorbing tube 3, specifically, the cutter head 21 abuts against the initial cutting plane 33. The inside of mount pad 1 is provided with outer locating hole 5, is provided with interior locating hole 34 on the pipe wall of energy-absorbing pipe 3, and outer locating hole 5 is located same straight line with interior locating hole 34 when the installation, and outer locating hole 5 has the locating pin 7 with the inside embedding of interior locating hole 34, can play the positioning action, prevents that energy-absorbing pipe 3 from taking place the deflection when the collision. The interior of the insert seat 24 is provided with a counter bore 23 adapted to be bolted to the mount 1. The cutters 2 are circumferentially arrayed about the center of the mounting hole 6, and each cutter 2 corresponds to a corresponding guide groove 32. Tool bit 21 includes a front angled surface 211 and a rear angled surface 212, wherein the front angled surface 211 forms an angle of 6 ° with the central axis of counterbore 23, and the rear angled surface 212 forms an angle of 15 ° with the top horizontal plane of tool 2. This angle and the appropriate adjustment. During cutting, the metal being cut slides along the relief surface 212, being convoluted by the guiding of the concave camber surface 22. The specific size and the front-rear angle relation meet the energy absorption requirement of a characteristic range.

When the planing type anti-creeper is used, the edge of the bottom surface of the energy absorption pipe body 31 is provided with a chamfer 36, so that the energy absorption pipe body is convenient to press fit when being embedded into the mounting hole 6. The through holes 37 are formed in the energy absorption tube body 31, so that weight reduction is facilitated, and materials are saved. The inside of mount pad 1 is provided with outer locating hole 5, is provided with interior locating hole 34 on the pipe wall of energy-absorbing pipe 3, and outer locating hole 5 is located same straight line with interior locating hole 34 when the installation, and outer locating hole 5 has the locating pin 7 with the inside embedding of interior locating hole 34, can play the positioning action, prevents that energy-absorbing pipe 3 from taking place the deflection when the collision. During cutting, the metal being cut slides along the relief surface 212, and the guide groove 32 facilitates convolution during cutting by guided convolution of the concave arc surface 22. The planing type anti-creeper is convenient to install and use.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a planing formula anticreeper which characterized in that: comprises a mounting seat (1), a mounting hole (6) is arranged in the middle of the mounting seat (1), an energy-absorbing pipe (3) is embedded in the mounting hole (6), a climbing prevention tooth (4) is installed at the top of the energy-absorbing pipe (3), the energy-absorbing pipe (3) comprises an energy-absorbing pipe body (31), a through hole (37) is arranged in the energy-absorbing pipe body (31), a cover plate (35) is embedded in the bottom of the through hole (37), a plurality of guide grooves (32) are arranged outside the energy-absorbing pipe body (31), the guide grooves (32) are parallel to the central axis of the through hole (37), a plurality of cutters (2) are installed on the mounting seat (1), each cutter (2) comprises a cutter holder (24), a cutter head (21) and an inwards concave arc surface (22) are arranged at the top of each cutter holder (24), and the cutter head (21) is abutted to the energy-absorbing pipe (3), an outer positioning hole (5) is formed in the mounting seat (1), an inner positioning hole (34) is formed in the wall of the energy absorption pipe (3), and a positioning pin (7) is embedded into the outer positioning hole (5) and the inner positioning hole (34).

2. The planing creeper of claim 1, wherein: a counter bore (23) is formed in the tool apron (24) and is suitable for being fixed on the mounting seat (1) through bolts.

3. The planing creeper of claim 1, wherein: the cutters (2) are arranged in a circle by taking the center of the mounting hole (6) as a circle center.

4. The planing creeper of claim 1, wherein: and a chamfer (36) is arranged at the edge of the bottom surface of the energy absorption pipe body (31) and is suitable for press fitting.

5. The planing creeper of claim 1, wherein: the cutter (2) is made of alloy steel.

6. The planing creeper of claim 1, wherein: the energy absorption pipe (3) is made of low-carbon steel.