CN102039911B

CN102039911B - Cowcatcher

Info

Publication number: CN102039911B
Application number: CN2009101805755A
Authority: CN
Inventors: 张红霞; 孙力杰; 郑宏义
Original assignee: CNR Datong Electric Locomotive Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2009-10-20
Filing date: 2009-10-20
Publication date: 2012-04-04
Anticipated expiration: 2029-10-20
Also published as: CN102039911A

Abstract

The invention relates to a cowcatcher which comprises an L-shaped main plate, wherein the main plate comprises a flat plate and a vertical plate which are integrally formed and vertical to each other; the surface of one side of the vertical plate back to the flat plate is provided with a mounting component for being connected with the lower end part of a locomotive underframe; a support plate is arranged at the middle part of the L-shaped main plate; the two side edges of the support plate are matched and fixedly connected with the flat plate and the vertical plate respectively; two trapezoidal cowcatcher plates are symmetrically arranged at the two sides of the support plate; the longer edge in the two parallel edges of the trapezoidal cowcatcher plates is fixedly connected with the side surface of the support plate; the two bevel edges of the trapezoidal cowcatcher plates are fixedly connected to the flat plate and the vertical plate respectively; the short edge of the trapezoidal cowcatcher plates is extended to the side end of the main plate and close to the junction between the flat plate and the vertical plate; an included angle formed between each cowcatcher plate and the support plate is an acute angle; and two cowcatcher plates and the support plate form a front convex part. The cowcatcher provided by the invention has the advantages of simple structure, light weight, good manufacturability, low cost and small resistance, and can be applied to common locomotives as well as harmony-II and harmony-2B electric locomotives.

Description

Obstacle removing device

Technical Field

The invention relates to a fault removing device of a railway locomotive, in particular to a fault removing device which is simple in structure, small in weight and good in manufacturability.

Background

The obstacle removing device is arranged at the lower part of the front end of the railway locomotive and is used for removing obstacles on the inner side of the track, so that the obstacles cannot be drawn into the bottom of the locomotive, and the running safety of the locomotive is ensured. At present, the structure of the existing locomotive obstacle-removing device adopts a tubular obstacle-removing device. FIG. 1 is a schematic structural diagram of a conventional locomotive obstacle deflector; FIG. 2 is a top view of a prior art locomotive barrier device; fig. 3 is a side view of a conventional barrier removing apparatus for a locomotive. As shown in fig. 1 to 3, the obstacle deflector 100 includes 3 bent pipes 101 disposed side by side, two ends of the bent pipes 101 are bent, ends of the bent pipes disposed side by side are fixed by a connecting member 102 to form a main frame of the obstacle deflector 100, and a mounting seat 103 is disposed on the main frame for connecting with a lower end of a locomotive underframe to fix the obstacle deflector 100 at a front end bottom of the locomotive. The front end of the elbow 101 is provided with a connecting plate 106, and the small obstacle deflector 105 is fixedly connected with the connecting plate 106 through bolts. When the obstacle removing device is used, the obstacle removing device 100 is installed and fixed at the bottom of the front end of a locomotive, the height of the lower end face of the small obstacle remover 105 from the rail surface is kept within the range of 110mm +/-10 mm, when the obstacle removing device moves along with the locomotive, obstacles on the inner side of a rail can be removed by using the small obstacle remover 105 arranged at the front end, and the safe running of the locomotive is ensured. However, the above-mentioned obstacle deflector still has some structural drawbacks:

1. the existing pilot unit is composed of a plurality of bent pipes, connecting pieces, small pilot units and other parts, the structure is complex, the processing and assembling difficulty is high, the whole weight of the pilot unit is large, and the load of the locomotive is increased.

2. When processing, the bent pipe of current barrier device adopts the bending machine assembly welding technology, and the waste material is useless worker, has increased manufacturing cost to the assembly welding manufacturability is poor, and the frock is complicated.

3. The existing obstacle deflector has larger volume, so that the whole windward area of the obstacle deflector is larger when the locomotive runs, and the running resistance of the locomotive is increased.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide a fault deflector which has a simple structure, a light weight, a good manufacturability, a low cost, and a small resistance for reducing the running of a locomotive.

In order to achieve the purpose, the invention provides a barrier removing device which comprises an L-shaped main board, wherein the main board is composed of a flat board and a vertical board which are integrally formed and are perpendicular to each other, a mounting assembly used for being connected with the lower end part of a locomotive underframe is arranged on the surface of one side, opposite to the flat board, of the vertical board, a supporting board is arranged in the middle of the L-shaped main board, the supporting board is provided with two side edges which are perpendicular to each other, the two side edges are fixedly connected with the flat board and the vertical board in a matched mode respectively, two trapezoidal barrier removing boards are symmetrically arranged on the two sides of the supporting board, an included angle formed between each barrier removing board and the supporting board and facing the vertical board is an acute angle, and the two barrier removing boards and the supporting board form.

In the invention, the supporting plate is in a right triangle shape, two right-angle sides of the supporting plate are respectively welded with the flat plate and the vertical plate, the trapezoidal obstacle deflector is provided with two parallel sides and two inclined sides, the two parallel sides comprise a long side and a short side, the long side is fixedly connected with the side surface of the supporting plate and is close to the inclined side of the supporting plate, the two inclined sides of the obstacle deflector are respectively fixedly connected with the flat plate and the vertical plate, and the short side extends to the side end of the main plate and is close to the joint of the flat plate and the vertical plate.

In the invention, two side ends of the L-shaped main board along the length direction are respectively provided with a bent and inverted L-shaped pedal, the L-shaped pedal consists of an integrally formed supporting vertical plate and a pedal plate, the supporting vertical plate and the pedal plate are mutually perpendicular, the lower end surface of the supporting vertical plate is fixedly connected with the flat plate, and one side end surface of the pedal plate is fixedly connected with the vertical plate.

In the invention, at least two reinforcing rib plates are arranged between the pedal and the flat plate.

In the invention, a square hole is arranged at the center of the pedal plate, a plurality of bolt holes are arranged on the pedal plate and on the outer side of the square hole, and the bolt holes are elongated slotted holes.

In the invention, a flat plate is arranged on the upper end surface of the pedal plate, and the flat plate of the pedal plate and the pedal plate are connected and fixed in a matching way through bolts and the bolt holes.

In the invention, the mounting assembly comprises a first mounting assembly and a second mounting assembly, the first mounting assembly and the second mounting assembly are symmetrically arranged along the center line of the vertical plate in the length direction, the first mounting assembly and the second mounting assembly respectively comprise a supporting seat and a mounting plate, the supporting seat is welded on the surface of the vertical plate, the mounting plate is fixedly arranged on the supporting seat, and a plurality of strip-shaped slotted holes are formed in the mounting plate in the length direction perpendicular to the vertical plate.

In the invention, the supporting seat is a hollow frame structure vertically arranged on the vertical plate, and the hollow frame structure is formed by enclosing an upper end plate, a lower end plate and two side end plates arranged in parallel.

In the invention, the barrier discharge plate, the vertical plate and the flat plate enclose a space with a triangular cross section, a sealing plate matched with the port is arranged at the port of the space, the mounting plate is arranged at one side of the supporting seat relative to the vertical plate, and the first mounting assembly and the second mounting assembly are of a box body structure.

In the invention, the main plate is made of a steel plate with the thickness of 8mm, and the baffle plate and the supporting plate are made of steel plates with the thickness of 6 mm.

Compared with the prior structure, the invention has the following characteristics and advantages:

1. the invention adopts a plate-type welding structure, and the L-shaped main plate is fixedly provided with the front convex part formed by welding the support plate and the two obstacle deflector groups. In addition, all the parts are connected and fixed through welding, a bending and assembling welding process is avoided, and the method has the advantages of simple process and low processing cost.

2. The mounting assembly is designed into a box body structure, and has the advantages of high mechanical strength, good manufacturability, convenience in mounting and convenience in operation.

3. The sealing plates are arranged at the ports on the two sides for sealing, so that rain, snow and the like are not easy to gather at the welding seams of the support plate, the obstacle deflector and the L-shaped main plate, the reduction of the strength of a welding structure caused by the corrosion of the welding seams by the rain and snow is avoided, the reliability of the obstacle deflector is improved, and the service life of the obstacle deflector is prolonged.

4. The bolt hole is a long-strip-shaped slotted hole, and the position of the flat plate on the pedal can be adjusted by adjusting the position of the bolt in the long-strip-shaped slotted hole, so that the personnel can conveniently switch the vehicle.

5. The invention has smaller integral volume, thereby reducing the windward area of the obstacle deflector and further reducing the running resistance of the locomotive.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,

FIG. 1 is a schematic structural diagram of a conventional locomotive obstacle deflector;

FIG. 2 is a top view of a prior art locomotive barrier device;

FIG. 3 is a side view of a prior art locomotive barrier device;

FIG. 4 is a schematic front view of the obstacle deflector of the present invention;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a schematic top view of the obstacle deflector of the present invention;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is a schematic view of the structure of FIG. 7 in the direction C;

FIG. 9 is a schematic view of the structure of FIG. 8 in the direction D-D;

FIG. 10 is a side view of the obstacle deflector of the present invention;

FIG. 11 is a perspective view of the obstacle deflector of the present invention;

FIG. 12 is a schematic view of the structure of the support plate of the present invention;

FIG. 13 is a schematic view of the structure of the baffle plate of the present invention.

Description of reference numerals:

the prior art is as follows:

100-obstacle removing device; 101-bending a pipe; 102-a connector; 103-a mounting seat; 105-small obstacle deflector;

106-connecting plate.

The invention comprises the following steps:

1-a barrier removal device; 2, a main board; 21-plate; 22-a vertical plate; 23-a front projection; 3-mounting the component; 31-a first mounting assembly; 32-a second mounting assembly; 33-a support base; 331-upper end plate; 332-a lower end plate; 333-side end plate; 34-a mounting plate; 35-long strip-shaped slotted hole; 4-a support plate; 41-right-angled edges of the support plates; 42-bevel edge of support plate; 5-arranging baffle plates; 51-the long side of the baffle plate; 52-short side of baffle plate; 53-bevel edge of baffle plate; 6-a pedal; 62-supporting the vertical plate; 63-foot pedal; 64-reinforcing rib plates; 65-square hole; 66-bolt holes; 7-closing plate.

Detailed Description

In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.

FIG. 4 is a schematic front view of the obstacle deflector of the present invention; FIG. 5 is a sectional view taken along line A-A of FIG. 4; fig. 11 is a schematic perspective view of the obstacle deflector of the present invention. As shown in fig. 4, 5 and 11, the obstacle deflector 1 of the present invention includes an L-shaped main plate 2, the main plate 2 is composed of a flat plate 21 and a vertical plate 22 which are integrally formed and perpendicular to each other, a mounting assembly 3 is provided on a surface of the vertical plate 22 facing away from the flat plate 21, and the mounting assembly 3 is used for connecting with a lower end portion of a locomotive underframe. The middle parts of the flat plate 21 and the upright plate 22 are provided with a support plate 4, in this embodiment, the support plate 4 is a right-angled triangular rib plate (as shown in fig. 12), and two right-angled sides 41 of the support plate 4 are respectively matched with the flat plate 21 and the upright plate 22 and are welded and fixed, so that the support plate 4 is fixed on the central line of the L-shaped main plate 2 along the length direction. Two trapezoidal barrier bars 5 are symmetrically arranged on both sides of the support plate 4. As shown in fig. 13, the barrier rib 5 having a trapezoidal shape has two

parallel sides

51, 52, which are long sides 51 and short sides 52, respectively, and two oblique sides 53. As shown in fig. 4, 5, and 11, the long sides 51 of the two parallel sides of the trapezoid baffle 5 are fixedly connected to the side of the support plate 4 and located near the oblique side 42 of the support plate 4, the two oblique sides 53 of the trapezoid baffle 5 are respectively fixedly connected to the flat plate 21 and the vertical plate 22, the short sides 52 of the two parallel sides of the trapezoid baffle 5 extend to the side end of the main plate 2 and are close to the joint of the flat plate 21 and the vertical plate 22, and the included angle formed between the baffle 5 and the support plate 4 and facing the vertical plate 22 is an acute angle, so that on the L-shaped main plate 2, the support plate 4 and the baffle 5 symmetrically disposed at the two sides of the support plate 4 form a front protrusion 23 protruding from the middle, and the front protrusion 23 can push away obstacles inside the rail, thereby ensuring the safety of the operation of the locomotive. In addition, in the present invention, the supporting plate 24 may also be a polygon having at least two mutually perpendicular sides, such as a square, a rectangle, or a right trapezoid. As long as the two side edges of the supporting plate can be fixedly connected with the vertical plate and the flat plate in a matching way, and the long edges of the two baffle plates can be respectively and fixedly connected with the two sides of the supporting plate, a front convex part with a protruding middle part is formed on the main plate, and therefore obstacle removing operation can be carried out by utilizing the front convex part.

As an alternative embodiment of the present invention, fig. 6 is a schematic top view of the obstacle deflector of the present invention; FIG. 10 is a side view of the obstacle deflector of the present invention; fig. 11 is a schematic perspective view of the obstacle deflector of the present invention. As shown in fig. 6, 10, and 11, L-shaped steps 6 that are bent and inverted are provided at both end portions of the L-shaped main plate 2, respectively. The L-shaped pedal 6 is composed of a supporting vertical plate 62 and a pedal plate 63 which are integrally formed, the supporting vertical plate 62 and the pedal plate 63 are perpendicular to each other, the lower end surface of the supporting vertical plate 62 is welded and fixed with the flat plate 22, and the end surface of one side of the pedal plate 63 is welded and fixed with the vertical plate 22, so that the pedal 6 is fixedly connected to the two end portions of the flat plate 21 and the vertical plate 22. The pedal 6 provides a treading support surface for the operator to perform the shunting operation.

When in use, the operator can step on the pedal 6 to carry out shunting operation. As shown in fig. 6, a square hole 65 is formed in the center of the pedal plate 63, so that the toes of the operator can extend into the square hole 65 and abut against the back of the pedal plate 63, thereby facilitating the stabilization of the body center of gravity of the operator for shunting. In addition, because the surface area of the pedal 63 is small, the movement of an operator is limited, and the operator cannot conveniently and flexibly perform shunting operation, 4 bolt holes 66 are further formed in the pedal 63 and outside the square hole 65, the bolt holes 66 are long-strip-shaped slotted holes, and a flat plate (not shown) with a large area is connected to the pedal 63 through bolts, so that the operator can step on the flat plate in a large moving range, and the safety and the comfort are improved. Moreover, the position of the flat plate on the pedal 63 can be adjusted by adjusting the position of the bolt in the elongated slot hole, so that the personnel can conveniently switch the vehicle.

Reinforcing rib plates 64 are arranged between the pedal plate 63 and the flat plate 22 along the length direction parallel to the vertical plate 22, the reinforcing rib plates 64 are in a right trapezoid shape, the long sides of the two parallel sides of the reinforcing rib plates 64 are welded with the pedal plate 63, the short sides of the reinforcing rib plates are welded with the flat plate 22, the right-angle sides of the reinforcing rib plates 64 are welded with the supporting vertical plate 62, the reinforcing rib plates 64 play a role in supporting the pedal plate 6, and the pressure bearing capacity of the pedal plate 63 is improved. The stiffener plate 64 may also be rectangular or have any other suitable shape that can be engaged with the pedal 6 and support the pedal 6. The number of the reinforcing rib plates 64 can be one, two or more reinforcing rib plates 64 according to the actual working condition requirement, so as to meet the requirement on the pressure-bearing strength of the pedal 6.

As shown in fig. 6 to 9, in the present embodiment, the mounting assembly 3 includes a first mounting assembly 31 and a second mounting assembly 32, the first mounting assembly 31 and the second mounting assembly 32 are disposed on a surface of the vertical plate 22 opposite to the side of the flat plate 21, and the first mounting assembly 31 and the second mounting assembly 32 are symmetrically disposed relative to a center line of the vertical plate in a length direction, the first mounting assembly 31 and the second mounting assembly 32 respectively include a supporting seat 33 and a mounting plate 34, the supporting seat 33 is fixedly connected to the surface of the vertical plate 22, the mounting plate 34 is welded and fixed to the supporting seat 33, and the mounting plate 34 is disposed parallel to the vertical plate 22, so that the mounting plate 34 is fixedly connected to a bottom of a front end of the locomotive. The surface area of the mounting plate 34 is larger than the cross-sectional area of the support seat 33, when the mounting plate 34 is fixed on the support seat 33, a part of the mounting plate 34 is exposed out of the two side ends of the support seat 33, and a plurality of through elongated slots 35 are formed in the exposed part of the mounting plate 34 along the length direction perpendicular to the vertical plate 22 and are used for being matched and connected with the bottom of the front end of the locomotive through bolts. An operator can conveniently adjust the mounting height of the obstacle deflector by adjusting the fixed position of the bolt in the elongated slot 35, so that the height from the bottom surface of the obstacle deflector to the rail surface is kept within the preferred range of 110mm +/-10 mm, and a better obstacle deflector effect is achieved.

As an optional embodiment, the supporting seat 33 is a hollow frame structure vertically disposed on the vertical plate, the hollow frame structure is formed by enclosing an upper end plate 331, a lower end plate 332 and two side end plates 333 disposed in parallel, and the mounting plate 34 is disposed on one side of the supporting seat 33 relative to the vertical plate 22, so that the mounting assembly 3 forms a box structure. One end face of the side end plate 333 is welded to the vertical plate 22, and the other end face opposite to the side end plate 333 is welded to the mounting plate 34, so that the side end plate 333 is abutted between the vertical plate 22 and the mounting plate 34, the mounting plate 34 is welded and fixed to the supporting seat 33, and the supporting seat 33 plays a role in supporting and fixing the mounting plate 34. According to the difference of the sizes of the supporting seat 33 and the mounting

plate

34, 3 or 4, or even more, side end plates 333 are arranged in parallel to increase the welding area between the mounting plate 34 and the supporting seat 33 and increase the firmness of the mounting plate 34.

As shown in fig. 10 and 11, the obstacle deflector 5, the vertical plate 22 and the flat plate 21 enclose a space with a triangular cross section, two ports of the space are located on two side end faces of the vertical plate 22 and the flat plate 21, sealing plates 7 matched with the shape and size of the ports are respectively arranged at the two ports, and the ports are sealed, so that rain, snow and the like are not easy to gather at the welding seam of the support plate 4, the obstacle deflector 5 and the L-shaped main plate 2, the reduction of the strength of the welding structure due to the corrosion of the welding seam by rain and snow is avoided, the reliability of the obstacle deflector is improved, and the service life of the obstacle deflector is prolonged.

In addition, in the invention, the main plate 2 is made of a steel plate with the thickness of 8mm, and the obstacle deflector and the support plate are made of steel plates with the thickness of 6mm, so that the obstacle deflector has enough stress strength.

The invention adopts a plate type welding structure, and a front convex part formed by welding a support plate and two barrier plates is fixedly arranged on an L-shaped main plate. When the device is used, the obstacle deflector is fixed at the bottom of the front end of the locomotive, and the front convex part is utilized to jack up obstacles in the track, so that the effect of removing the obstacles on the inner side of the track is achieved, and the running safety of the locomotive is ensured. Static strength tests prove that the performance of the invention meets the strength requirement. Compared with the existing pilot, the invention has simple structure, light weight and small locomotive load. And the manufacturing process is simple, the processing cost is low, and meanwhile, the whole volume is small, so that the running resistance of the locomotive can be reduced.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes and modifications that can be made by one skilled in the art without departing from the spirit and principles of the invention should fall within the protection scope of the invention.

Claims

1. A pilot, its characterized in that: the obstacle deflector comprises an L-shaped main board, the main board is composed of a flat board and a vertical board which are integrally formed and are perpendicular to each other, a mounting assembly used for being connected with the lower end portion of a locomotive underframe is arranged on the surface of one side, opposite to the flat board, of the vertical board, a supporting board is arranged in the middle of the L-shaped main board, the supporting board is provided with two mutually perpendicular side edges, the two side edges are fixedly connected with the flat board and the vertical board in a matched mode respectively, two trapezoidal obstacle deflector plates are symmetrically arranged on the two sides of the supporting board, an included angle formed between each obstacle deflector plate and the supporting board and facing the vertical board is an acute angle, and the two obstacle deflector plates and the supporting board form a front protruding portion.

2. The barrier guard of claim 1, wherein: the support plate is in the shape of a right triangle, two right-angle sides of the support plate are respectively welded with the flat plate and the vertical plate, the trapezoidal barrier plate is provided with two parallel sides and two inclined sides, the two parallel sides comprise long sides and short sides, the long sides are fixedly connected to the side faces of the support plate and close to the inclined sides of the support plate, the two inclined sides of the barrier plate are respectively fixedly connected to the flat plate and the vertical plate, and the short sides extend to the side ends of the main plate and close to the joint of the flat plate and the vertical plate.

3. The barrier guard of claim 1 or 2, wherein: the L-shaped main board is characterized in that bent and inverted L-shaped pedals are respectively arranged at two side ends of the L-shaped main board in the length direction, each L-shaped pedal is composed of an integrally formed supporting vertical plate and a pedal plate, the supporting vertical plates are perpendicular to the pedal plates, the lower end surfaces of the supporting vertical plates are fixedly connected with the flat plates, and one side end surface of each pedal plate is fixedly connected with the vertical plate.

4. A barrier discharge apparatus as claimed in claim 3, wherein: at least two reinforcing rib plates are arranged between the pedal and the flat plate.

5. A barrier discharge apparatus as claimed in claim 3, wherein: a square hole is formed in the center of the pedal plate, a plurality of bolt holes are formed in the pedal plate and on the outer side of the square hole, and the bolt holes are long-strip-shaped slotted holes.

6. The barrier guard of claim 5, wherein: the upper end face of the pedal plate is provided with a flat plate, and the flat plate of the pedal plate is fixedly connected with the pedal plate through bolts and the bolt holes in a matched mode.

7. The barrier guard of claim 1 or 2, wherein: the mounting assembly comprises a first mounting assembly and a second mounting assembly, the first mounting assembly and the second mounting assembly are symmetrically arranged along the center line of the vertical plate in the length direction, the first mounting assembly and the second mounting assembly respectively comprise a supporting seat and a mounting plate, the supporting seat is welded on the surface of the vertical plate, the mounting plate is fixedly arranged on the supporting seat, and a plurality of strip-shaped slotted holes are formed in the mounting plate in the length direction of the vertical plate along the vertical direction.

8. The barrier of claim 7, wherein: the supporting seat is a hollow frame structure vertically arranged on the vertical plate, the hollow frame structure is formed by encircling an upper end plate, a lower end plate and two side end plates which are arranged in parallel, the mounting plate is arranged on one side of the supporting seat relative to the vertical plate, and the first mounting assembly and the second mounting assembly are of a box structure.

9. The barrier guard of claim 1 or 2, wherein: the barrier discharge plate, the vertical plate and the flat plate form a space with a triangular cross section, and a sealing plate matched with the port is arranged at the port of the space.

10. The barrier guard of claim 1 or 2, wherein: the mainboard adopt the steel sheet that thickness is 8mm, row's baffle and backup pad all adopt the steel sheet that thickness is 6 mm.