CN216404934U

CN216404934U - Tamping unit is with outer pickaxe arm of reinforcement type

Info

Publication number: CN216404934U
Application number: CN202122968081.2U
Authority: CN
Inventors: 李同林
Original assignee: Tianjin Zhongguanghui Railway Machinery Manufacturing Co ltd
Current assignee: Tianjin Zhongguanghui Railway Machinery Manufacturing Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-29
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a reinforced outer pickaxe arm for a tamping device, which comprises a reinforcing member connected to one side of a main body, wherein the main body comprises a piston rod connecting part, a box body connecting part and a tamping pickaxe connecting part which are sequentially connected, a large transition fillet is arranged at the connecting part of the box body connecting part and the tamping pickaxe connecting part, and first clamping blocks are arranged on two sides of the tamping pickaxe connecting part; the reinforcement is located the tamping pick connecting portion outside, and the reinforcement is including the elastic block of cover on locating the main part, the elastic block bottom is equipped with support piece, the elastic block is kept away from main part one side and is fixed with the tight piece of second clamp, the elastic block passes through the fastener with pressing from both sides tight piece and is connected with the main part. According to the utility model, the effect of increasing the strength of the main body is achieved by arranging the large transition round angle, and the reinforcing member is arranged, so that the shock absorption effect can be achieved, the impact load directly acting on the main body can be reduced, and the strength of the main body is further increased.

Description

Tamping unit is with outer pickaxe arm of reinforcement type

Technical Field

The utility model relates to the technical field of large-scale road maintenance machinery operation safety, in particular to a reinforced outer pickaxe arm for a tamping device.

Background

The operation form of a common tamping device is that an alloy tamping pick is arranged at the lower end of a pick arm, and the tamping pick is repeatedly inserted into ballast between sleepers of a railway line at the frequency of 20 times per minute under the action of the gravity of the tamping device of 2 tons and the external thrust of 8 tons. Therefore, the tamping device is a working part with impact and heavy load high-frequency work, the pickaxe arm is a main stress part, and once the pickaxe arm is broken, the construction progress is directly influenced, so that the train cannot pass through the pickaxe arm, and a late accident is caused. To this end, we propose a reinforced outer pick arm for a tamping device.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a reinforced outer pick arm for a tamping device, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the reinforced outer pickaxe arm for the tamping device comprises a reinforcing member connected to one side of a main body, wherein the main body comprises a piston rod connecting part, a box body connecting part and a tamping pickaxe connecting part which are sequentially connected, a large transition fillet is arranged at the connecting part of the box body connecting part and the tamping pickaxe connecting part, and first clamping blocks are arranged on two sides of the tamping pickaxe connecting part;

the reinforcement is located the tamping pick connecting portion outside, and the reinforcement is including the elastic block of cover on locating the main part, the elastic block bottom is equipped with support piece, the elastic block is kept away from main part one side and is fixed with the tight piece of second clamp, the elastic block passes through the fastener with pressing from both sides tight piece and is connected with the main part.

Preferably, the large transition fillet is an R110 fillet.

Preferably, a sleeving hole penetrates through the elastic block from top to bottom on one side close to the clamping block, a clamping groove for accommodating the tamping pick connecting part is formed in one side, close to the main body, of the sleeving hole in a penetrating mode, and the clamping groove is communicated with the sleeving hole.

Preferably, a transition part is arranged on the elastic block between the clamping groove and the upper part of the sleeving hole.

Preferably, the support piece includes the kicking block and the seat that pushes away that connect gradually, the kicking block agrees with the suit hole, and the kicking block top and the laminating of big transition fillet, the equidistance is equipped with the bolt hole that runs through suit hole, kicking block and clamp groove in proper order on the second presss from both sides tight piece, the elastic block is close to main part one side lower part and runs through the connecting hole that is equipped with and presss from both sides tight groove intercommunication.

Compared with the prior art, the utility model has the beneficial effects that: through setting up big transition fillet, compare in the transition position of arc angle undersize in the past, the ability that structural connection department resisted impact load on the main part has been increased, thereby reach the effect of preliminary increase main part intensity, through setting up the reinforcement, utilize the physical properties of elastic block, when the main part bears impact load, the suit hole inner wall with the laminating of main part surface can absorb the energy of propagating with the vibration form and then turn into self internal energy, can play the absorbing effect and can reduce the impact load of direct action main part again, thereby further increase main part intensity.

Drawings

Fig. 1 is a schematic structural view of a main body of a reinforced outer pick arm for a tamping apparatus according to the present invention;

fig. 2 is a schematic view of a specific assembly structure of a reinforced outer pick arm for a tamping device according to the present invention;

fig. 3 is a schematic structural view of a reinforcing member of a reinforced outer pick arm for a tamping apparatus according to the present invention.

In the figure: the tamping tool comprises a main body 1, a piston rod connecting part 10, a box body connecting part 11, a tamping pick connecting part 12, a large transition fillet 2, a first clamping block 3, a reinforcing member 4, an elastic block 41, a sleeving hole 411, a clamping groove 412, a transition part 413, a connecting hole 414, a second clamping block 42, a bolt hole 421, a support member 43, a pushing seat 431 and a jacking block 432.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a reinforced outer pickaxe arm for a tamping device comprises a reinforcing member 4 connected to one side of a main body 1, wherein the main body 1 comprises a piston rod connecting part 10, a box body connecting part 11 and a tamping pickaxe connecting part 12 which are sequentially connected, and a large transition fillet 2 is arranged at the connecting part of the box body connecting part 11 and the tamping pickaxe connecting part 12;

further, the large transition fillet 2 is an R110 fillet;

specifically, in the prior art, the main body 1 is easy to break in the operation process, the main reason is that the large transition fillet 2 arranged at the connection position of the box connecting part 11 and the tamping pick connecting part 12 is too small, the large transition fillet 2 is generally set to be R25, the impact load borne by the main body 1 is limited, so that the main body is easy to break at the connection position, the impact load resistance of the outer pick arm is improved by increasing the large transition fillet 2 to be the R110 fillet, the situation that the box connecting part 11 and the tamping pick connecting part 12 break is prevented, and the effect of primarily increasing the strength of the main body 1 is achieved;

the two sides of the tamping pick connecting part 12 are provided with first clamping blocks 3; the first clamping block 3 is provided with a screw hole for connecting a fastener;

the reinforcing member 4 is positioned outside the tamping pick connecting part 12, the reinforcing member 4 comprises an elastic block 41 sleeved on the main body 1, a second clamping block 42 is fixed on one side of the elastic block 41, which is far away from the main body 1, and the elastic block 41 and the clamping block 42 are connected with the main body 1 through a fastener;

further, a sleeving hole 411 penetrates through the elastic block 41 from top to bottom on the side close to the clamping block 42, a clamping groove 412 for accommodating the tamping pick connecting part 12 is arranged on the sleeving hole 411 close to the main body 1 in a penetrating manner, namely the left side of the clamping groove 412 is opened, and the clamping groove 412 is communicated with the sleeving hole 411;

specifically, when the elastic block 41 and the main body 1 are assembled, the elastic block 41 is firstly placed right above the piston rod connecting part 10, then the sleeving hole 411 is aligned with the piston rod connecting part 10, then the piston rod connecting part 10 moves upwards in the sleeving hole 411 until the bottom of the elastic block 41 and the bottom of the main body 1 are at the same height, and the clamping groove 412 clamps the tamping pick connecting part 12 from the front side and the rear side;

further, a transition portion 413 is arranged on the elastic block 41 between the clamping groove 412 and the upper portion of the sleeving hole 411; the transition part 413 is closed, and the connecting surface of the inner wall of the clamping groove 412 and the sleeving hole 411 is an arc surface which is attached to the connecting surface of the upper ends of the box connecting part 11 and the tamping pick connecting part 12, so that the transition part 413 supports the connecting part of the box connecting part 11 and the tamping pick connecting part 12 from the top;

the bottom of the elastic block 41 is provided with a supporting piece 43;

further, the supporting member 43 comprises a top block 432 and a pushing seat 431 which are sequentially connected, the top block 432 is an elastic top block 432, the top block 432 is matched with the sleeving hole 411, the top of the top block 432 is attached to the large transition fillet 2, bolt holes 421 sequentially penetrating through the sleeving hole 411, the top block 432 and the clamping groove 412 are equidistantly arranged on the second clamping block 42, the bolt holes 421 are in one-to-one correspondence with screw holes on the first clamping block 3 and are located on the same straight line, a connecting hole 414 communicated with the clamping groove 412 is formed in the lower portion of one side, close to the main body 1, of the elastic block 41 in a penetrating mode, and the height of the connecting hole 414 is staggered with the height of the bolt hole 421;

specifically, after the elastic block 41 and the main body 1 are sleeved, the supporting piece 43 is taken in a state that the top block 432 is upward, the pushing seat 431 is held, the top block 432 is aligned with the bottom end of the sleeving hole 411, the top block 432 moves upward in the sleeving hole 411 until the top of the top block 432 is abutted with the large transition fillet 2, then a bolt is installed in the bolt hole 421, the screw is continuously pushed, the other end of the bolt is placed in the bolt hole, the nut is used for locking, the fastening piece is installed in the connecting hole 414, the top block 432 is used for supporting the surface where the large transition fillet 2 is located from the lower part and is matched with the transition part 413, and the connecting part where the large transition fillet 2 is located is subjected to larger inward pressure for converging the pressure to reduce the outward tearing tendency caused by impact load;

specifically, through setting up reinforcement 4, utilize the physical properties of elastic block 41, when main part 1 bore impact load, the suit hole 411 inner wall of laminating with main part 1 surface can absorb the energy of propagating with the vibration form and then turn into self internal energy, can play the absorbing effect and can reduce the impact load of direct action in main part 1 again to further increase main part 1 intensity.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tamping unit is with outer pick arm of reinforcement type, is including connecting reinforcement (4) in main part (1) one side, its characterized in that: the main body (1) comprises a piston rod connecting part (10), a box body connecting part (11) and a tamping pick connecting part (12) which are sequentially connected, a large transition fillet (2) is arranged at the connecting part of the box body connecting part (11) and the tamping pick connecting part (12), and first clamping blocks (3) are arranged on two sides of the tamping pick connecting part (12);

the reinforcing member (4) are located the tamping pick connecting portion (12) outside, and the elastic block (41) on main part (1) is located including the cover to reinforcing member (4), elastic block (41) bottom is equipped with support piece (43), main part (1) one side is kept away from in elastic block (41) is fixed with the second and presss from both sides tight piece (42), elastic block (41) and press from both sides tight piece (42) and pass through the fastener and be connected with main part (1).

2. The reinforced outer pick arm for a tamping device of claim 1, wherein: the large transition fillet (2) is an R110 fillet.

3. The reinforced outer pick arm for a tamping device of claim 1, wherein: the inner side of the elastic block (41) close to the clamping block (42) is provided with a sleeving hole (411) which penetrates through the upper portion and the lower portion, the side of the sleeving hole (411) close to the main body (1) is provided with a clamping groove (412) for accommodating the tamping pick connecting portion (12), and the clamping groove (412) is communicated with the sleeving hole (411).

4. The reinforced outer pick arm for a tamping device of claim 1, wherein: a transition part (413) is arranged on the elastic block (41) positioned between the clamping groove (412) and the upper part of the sleeving hole (411).

5. The reinforced outer pick arm for a tamping device of claim 3, wherein: the supporting piece (43) comprises a top block (432) and a pushing seat (431) which are sequentially connected, the top block (432) is matched with the sleeving hole (411), the top of the top block (432) is attached to a large transition round angle (2), bolt holes (421) which sequentially penetrate through the sleeving hole (411), the top block (432) and the clamping groove (412) are equidistantly arranged in the second clamping block (42), and a connecting hole (414) communicated with the clamping groove (412) is formed in the lower portion, close to the main body (1), of the elastic block (41) in a penetrating mode.