CN206438348U

CN206438348U - A kind of pick and the tamping pickaxe using the pick

Info

Publication number: CN206438348U
Application number: CN201621455918.6U
Authority: CN
Inventors: 张颂
Original assignee: HENAN FULAIGE ULTRAHARD MATERIAL CO Ltd; Funik Ultrahard Material Co Ltd
Current assignee: HENAN FULAIGE ULTRAHARD MATERIAL CO Ltd; Funik Ultrahard Material Co Ltd
Priority date: 2016-12-28
Filing date: 2016-12-28
Publication date: 2017-08-25
Anticipated expiration: 2026-12-28

Abstract

The utility model provides a kind of pick and the tamping pickaxe using the pick, causes the problem of coming off of being easily heated to be contacted with each other between solution in the prior art wear plate.Pick, which includes being installed with the flat-shaped pick matrix that thickness extends in left-right direction, width extends along the longitudinal direction, the left surface and right flank of pick matrix, has expansion avoiding seam between the two neighboring wear plate at least two wear plates, same side.There is expansion avoiding seam between wear plate, in use, after wear plate expanded by heating, expansion avoiding seam can accommodate the part that wear plate expansion is extended, space is provided for the expansion of wear plate, prevents from coming in contact extruding between neighbouring wear-resistant piece and causing wear plate to come off too early.

Description

A kind of pick and the tamping pickaxe using the pick

Technical field

The utility model is related to a kind of pick and the tamping pickaxe using the pick.

Background technology

In field of track traffic, tamping tool is a kind of equipment commonly used in railway care field, for making ballast aggregate, tamping pickaxe firm by ramming It is one of main parts size on tamping tool, its performance is directly related to road upkeep operation and can be smoothed out.Present Tamping pickaxe is generally cast member, and wearability and impact resistance are slightly worse, are easily broken off, and newest tamping pickaxe has covers solid on the side of pick Fixed multiple hard metal tips（That is wear plate）To improve the wearability and impact resistance of pick, and then improve the use longevity of tamping pickaxe Life, fixed form is to inlay or weld.

Authorized announcement date be January 14, Granted publication in 2015 be well the U of CN 204097806 a utility model it is special Profit discloses a kind of easy-to-mount New-type wear-resistant alloy tamping pickaxe, the tamping pickaxe pick palm（That is pick）Matrix surface be welded with hard Alloy sheet（That is wear plate）, improve the hardness of tamping pickaxe, it is ensured that the toughness of tamping pickaxe pick, it is to avoid tamping pickaxe pick position it is fast Speed abrasion, adds the service life of tamping pickaxe.

But gapless between fixation, hard metal tip is contacted with each other between multiple hard metal tips in the tamping pickaxe, make Used time, tamping pickaxe is after ballast aggregate is made firm by ramming for a period of time, pick matrix and hard metal tip fever expansion, due between hard metal tip Contact is fixed, and does not reserve the space needed for being expanded for hard metal tip, hard metal tip between two adjacent hard metal tips Between active force increase, in turn result in hard metal tip too early come off.

Utility model content

The purpose of this utility model is to provide a kind of pick, to be contacted with each other between solution in the prior art wear plate Cause the problem of coming off of being easily heated, purpose, which is also resided in, provides a kind of tamping pickaxe using the pick.

To achieve the above object, the technical scheme of the utility model pick is：A kind of pick, including thickness is in left-right direction Be installed with extension, the flat-shaped pick matrix that extends along the longitudinal direction of width, the left surface and right flank of pick matrix to There is expansion avoiding seam between two neighboring wear plate on few two wear plates, same side.

Left surface is the consistent planar structure of gradient, and left and right side is arranged symmetrically, and left and right side is provided with along height side To two rows described in wear plate, often row include at least two spaced apart wear plates along the longitudinal direction.

The end of the pick is installed with the cylindrical wear body extended along the longitudinal direction, the one of the cylindrical wear body Side is wrapped in pick matrix.

The cylindrical wear body is assembled along the longitudinal direction by multiple wear body piecemeals.

Have on pick and be additionally provided with the pick attachment structure for being used for being connected with pick bar, pick for making pick and pick bar Positioning hole with installation.

The technical scheme of the utility model tamping pickaxe is：A kind of tamping pickaxe, including pick and pick bar, pick include thickness along left and right It is fixed on the flat-shaped pick matrix that direction extension, width extend along the longitudinal direction, the left surface and right flank of pick matrix Having between the two neighboring wear plate at least two wear plates, same side has expansion avoiding seam.

Have on pick and be additionally provided with the pick attachment structure for being used for being connected with pick bar, pick for making pick and pick bar There is the pick bar attachment structure for being used for being connected with pick on positioning hole with installation, pick bar.

The beneficial effects of the utility model are：Between wear plate exist expansion avoiding seam, in use, when wear plate be heated it is swollen After swollen, expansion avoiding seam can accommodate the part that wear plate expansion is extended, and provide space for the expansion of wear plate, prevent adjacent resistance to Extruding is come in contact between grinding and causes wear plate to come off too early.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model tamping pickaxe；

Fig. 2 is the front view of pick in Fig. 1；

Fig. 3 is Fig. 2 top view.

Embodiment

Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.

The specific embodiment of tamping pickaxe of the present utility model, as shown in Figure 1 to Figure 3, tamping pickaxe includes pick 1 and pick bar 2,11 is Sheet diamond polycrystal, 12 be expansion avoiding seam, and 13 be circular diamond polycrystal, and 14 be positioning hole, and 15 be pick matrix. As can be seen from Figure, it is in flat-shaped profile that pick 1 is overall.

In the present embodiment, pick 1 and the split of pick bar 2 are set, together with pick 1 is bolted with pick bar 2, in pick There is the pick attachment structure being connected with pick bar 2 on 1, there is the pick bar attachment structure being connected with pick 1 on pick bar 2.14 are Positioning hole, can make pick and pick bar Matching installation.In actual use, pick 1 is frayed larger to cause the use longevity of pick Life is shorter, and pick 1 and pick bar 2 are made into split-type structural, after pick 1 is damaged and scrapped, changes pick 1, without Pick 1 and pick bar 2 are all changed, is easy to be individually replaced pick.

Left and right directions in diagram 2 is short transverse, and above-below direction is width.Above-below direction in diagram 3 As thickness direction.The two sides of the thickness direction of pick matrix 15 is the consistent plane of symmetrically arranged gradient, thickness in diagram 3 It is fixed with the two sides in direction in sheet diamond polycrystal 11, the present embodiment, the quantity of sheet diamond polycrystal 11 is Two rows that are multiple and being divided into short transverse, often arrange and are equipped with multiple sheet diamond polycrystals spaced in the width direction 11, the mode that sheet diamond polycrystal 11 is fixed on pick matrix 15 is to inlay.In other embodiments, it can be used His mode is fixed, and such as welds.There is expansion avoiding seam 12, in sheet between adjacent sheet diamond polycrystal 11 During 11 expanded by heating of diamond polycrystal, expansion avoiding seam 12 provides space for the expansion of sheet diamond polycrystal 11, makes phase Keep independent between two adjacent sheet diamond polycrystals 11, be not in mutual extruding and cause the phenomenon come off too early to go out It is existing.

Circular diamond polycrystal 13 is also inlaid with the end of pick 1, circular diamond polycrystal 13 is in the width direction Extension.The side of circular diamond polycrystal 13 is wrapped in pick matrix 15, and hold is strong, the circular Buddha's warrior attendant in severe impact Stone polycrystal 13 is not fallen out.As can be seen that circular diamond polycrystal 13 is by multiple circular diamond polycrystals point in Fig. 2 Axial direction of the block along circular diamond polycrystal（That is width）Assemble.

In the present embodiment, sheet diamond polycrystal constitutes wear plate, in other embodiments, and wear plate can be it His material, such as Hardmetal materials.In other embodiments, the quantity and arrangement mode of wear plate can be according to actual feelings Condition is changed.Circular diamond polycrystal constitutes cylindrical wear body, and circular diamond polycrystal piecemeal is wear body Piecemeal.

The embodiment of the utility model pick, the structure of pick is consistent with the pick structure in above-mentioned tamping pickaxe embodiment, its Content will not be repeated here.

Claims

1. a kind of pick, including the flat-shaped pick matrix that thickness extends in left-right direction, width extends along the longitudinal direction, it is special Levy and be：Adjacent two at least two wear plates, same side are installed with the left surface and right flank of pick matrix There is expansion avoiding seam between individual wear plate.

2. pick according to claim 1, it is characterised in that：Left surface is the consistent planar structure of gradient, left and right side It is arranged symmetrically, left and right side includes at least two along front and back provided with the wear plate described in two rows of short transverse, often row To the spaced apart wear plate.

3. pick according to claim 1, it is characterised in that：The end of the pick is installed with what is extended along the longitudinal direction Cylindrical wear body, the side of the cylindrical wear body is wrapped in pick matrix.

4. pick according to claim 3, it is characterised in that：The cylindrical wear body is by multiple wear body piecemeals before Rear is to assembling.

5. the pick according to claim 1-4 any one, it is characterised in that：Having on pick is used for what is be connected with pick bar It is additionally provided with pick attachment structure, pick for making the positioning hole of pick and pick bar Matching installation.

6. a kind of tamping pickaxe, including pick and pick bar, pick extends in left-right direction including thickness, width extends along the longitudinal direction Flat-shaped pick matrix, it is characterised in that：At least two wear plates are installed with the left surface and right flank of pick matrix, together There is expansion avoiding seam between two neighboring wear plate on one side.

7. tamping pickaxe according to claim 6, it is characterised in that：Left surface is the consistent planar structure of gradient, left and right side It is arranged symmetrically, left and right side includes at least two along front and back provided with the wear plate described in two rows of short transverse, often row To the spaced apart wear plate.

8. tamping pickaxe according to claim 6, it is characterised in that：The end of the pick is installed with what is extended along the longitudinal direction Cylindrical wear body, the side of the cylindrical wear body is wrapped in pick matrix.

9. tamping pickaxe according to claim 8, it is characterised in that：The cylindrical wear body is by multiple wear body piecemeals before Rear is to assembling.

10. the tamping pickaxe according to claim 6-9 any one, it is characterised in that：Having on pick is used to be connected with pick bar Pick attachment structure, be additionally provided with pick for make to have on the positioning hole of pick and pick bar Matching installation, pick bar be used for The pick bar attachment structure of pick connection.