CN112628327A

CN112628327A - Damping block of hydraulic breaking hammer

Info

Publication number: CN112628327A
Application number: CN202011607875.XA
Authority: CN
Inventors: 张春生
Original assignee: JIANGSU LIBOSHI MACHINERY CO Ltd
Current assignee: JIANGSU LIBOSHI MACHINERY CO Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-09
Anticipated expiration: 2040-12-30
Also published as: CN112628327B

Abstract

The invention discloses a damping block of a hydraulic breaking hammer, relates to the technical field of drilling equipment, and achieves the purpose of reducing the whole replacement of the damping block after the damping block is stressed and deformed, wherein the technical scheme is as follows: including last buffer block and lower buffer block, go up buffer block and buffer block down and all seted up the conical logical groove of placing in corresponding position, two place logical groove and be greater than the notch size of keeping away from one end mutually at the notch size of the one end that is close to mutually, two place logical inslot and all placed the conical piece of placing, the tapering of placing the piece is greater than the tapering of placing logical groove, just place the piece and form the round annular line when placing logical groove notch conflict, two place the piece and all extend and place the great one side of logical groove notch size and interconnect.

Description

Damping block of hydraulic breaking hammer

Technical Field

The invention relates to the technical field of drilling equipment, in particular to a damping block of a hydraulic breaking hammer.

Background

The hydraulic breaking hammer is generally installed on an excavator for use, the power source of the hydraulic breaking hammer is mainly power provided by the excavator, a loader or a pump station, stones and rocks can be effectively broken in engineering construction, and working efficiency is improved. Traditional silence type hydraulic breaking hammer includes the core, the silence shell, base and snubber block, the core includes preceding cylinder body, well cylinder body, back cylinder body, piston and drill rod etc., preceding cylinder body, well cylinder body and back cylinder body are connected through four long filament pole, and the rear end of every long filament pole is all worn out and this end connection has the nut from the back cylinder body, the core is installed in the silence shell, the base is connected with the shell, the rear end of back cylinder body is towards the base, leave certain assembly gap between the outer end of nut and the lateral wall of snubber block, hydraulic breaking hammer can take place vibrations at the in-process core, make the outer end of nut and the lateral wall of snubber block bump, and then damage the snubber block.

The chinese patent with publication number CN111750017A discloses a buffer block of hydraulic breaking hammer, including having elastic buffer block, the buffer block all is "cross" structure and has four breach one on the buffer block, this buffer block still includes the cushion, the cushion is "cross" structure, four breach two have on the cushion, the cushion piles up the setting with the buffer block to have between cushion and the buffer block and make the buffer block for the connection structure of cushion circumference location, breach one and two one-to-ones of breach, the lateral wall one of breach one leans on the interior setting for the lateral wall two of breach two.

However, the pressure exerted on the buffer block by the cushion block still exists, so that the buffer block needs to be replaced after being stressed and deformed.

Disclosure of Invention

The invention aims to provide a damping block of a hydraulic breaking hammer, which achieves the aim of reducing the whole replacement of the damping block after the damping block is stressed and deformed.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a snubber block of hydraulic breaking hammer, includes snubber block and lower snubber block, go up the snubber block and all offer the conical logical groove of placing in corresponding position with lower snubber block, two place the notch size that leads to the groove and be greater than the notch size of keeping away from one end mutually in the one end that is close to mutually, two place and all placed the conical piece of placing in the logical groove, the tapering of placing the piece is greater than the tapering of placing logical groove, just it forms the round annular line, two when conflicting with placing logical groove notch to place the piece and all extend and place the great one side of logical groove notch size and interconnect.

By adopting the technical scheme, the upper buffer block is supported on the lower buffer block by the two placing blocks, when the upper buffer block and the lower buffer block are subjected to extrusion force, the extrusion force is transmitted to the placing blocks, so that the placing blocks are extruded with the notches of the placing through grooves, the placing blocks are deformed, the deformation of the upper buffer block and the lower buffer block is reduced by the arrangement of the placing blocks, the service life of the upper buffer block or the lower buffer block is prolonged, and when the placing blocks need to be replaced, only the upper buffer block and the lower buffer block or the placing blocks need to be replaced independently, the installation and the disassembly are convenient, in addition, a circle of annular line is formed when the placing blocks are in contact with the notches of the placing through grooves, the placing blocks can conveniently enter the placing through grooves when the extrusion force is applied to the placing blocks by the upper buffer block or the lower buffer block, and the placing blocks are gradually moved out of the placing through grooves under the action of the self elastic force after the, waiting for the next cushioning deformation.

Preferably: go up the buffer block and all include first piece and set up the second piece of placing logical groove with lower buffer block, the connection can be dismantled with first piece to second piece, the second piece is the high temperature resistant material of elasticity with placing a material unanimity.

Preferably: the second block and placement block material is a fully aromatic polyimide.

Preferably: offer the through-hole that supplies the embedding of second piece on the first piece, in second piece embedding first piece for both ends face is neat at ordinary times about second piece and first piece, trapezoidal hole has been seted up in that one side homogeneous phase that second piece and first piece are close to each other corresponds, and two corresponding trapezoidal hole bottoms set up relatively and establish to a set of, be equipped with a plurality of trapezoidal holes of group on second piece and the first piece, trapezoidal hole sets up at last buffer block and the corresponding side of buffer block down, and is a set of trapezoidal downthehole inlays and is equipped with the fixture block with two trapezoidal hole matched with, each all be equipped with the elastic connection post that extends trapezoidal hole drill way on the fixture block, upper and lower two are corresponding the spliced pole is contradicted in corresponding one side.

Preferably: the upper connecting column is a prismatic column which extends into the lower connecting column, and a moving hole for the prismatic column to move along the length direction of the upper connecting column is formed in the lower connecting column.

Preferably: the mounting structure is characterized in that an annular first mounting groove is formed in the hole wall of the through hole, a second mounting groove corresponding to the first mounting groove is formed in the outer wall of the second block, the first mounting groove and the second mounting groove are formed in one side, deviating from the upper buffering block and the lower buffering block, of the first mounting groove and the second mounting groove are communicated with each other, and an annular sealing plate located in the first mounting groove and the second mounting groove is placed in the first mounting groove and the second mounting groove.

Preferably: two first piece and second piece all are equipped with the thermal-insulated piece with first piece and the board face complex of second in the one side that deviates from mutually, the periphery of thermal-insulated piece extends to the edge of first piece and is equipped with a plurality of guard bars that extend to first piece side.

Preferably: the placing block is provided with a plurality of heat dissipation holes distributed along the moving direction of the upper buffer block and the lower buffer block perpendicular to the upper buffer block, and two ends of each heat dissipation hole extend out of two ends of the placing block.

Preferably: two the spliced pole all is equipped with the chuck in relative one end, two the chuck all is equipped with a plurality of intermeshing's connecting teeth in corresponding one end.

Preferably: the sealing plate is arranged on one side, facing the first block, of the heat insulation plate.

In conclusion, the invention has the following beneficial effects: at the moment, the two placing blocks support the upper buffer block on the lower buffer block, and when the upper buffer block and the lower buffer block are subjected to extrusion force, the extrusion force is transmitted to the placing blocks, the placing block is extruded with the notch of the placing through groove, so that the placing block is deformed, the deformation of the upper buffer block and the lower buffer block is reduced due to the arrangement of the placing block, the service life of the upper buffer block or the lower buffer block is prolonged, when the replacement is needed, only the upper buffer block and the lower buffer block or the placing block which are new need to be replaced independently, the installation and the disassembly are convenient, in addition, a circle of annular line is formed when the placing block is abutted against the notch of the placing through groove, the placing block can be conveniently placed into the placing through groove when the upper buffer block or the lower buffer block applies extrusion force to the placing block, after the external force is applied, the placing block gradually moves out of the placing through groove under the action of the elastic force of the placing block, and waits for the next buffering deformation.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

FIG. 2 is a schematic structural view of the present embodiment for embodying heat dissipation holes;

fig. 3 is a schematic structural diagram for embodying the coupling teeth of the present embodiment.

In the figure: 1. an upper buffer block; 2. a lower buffer block; 21. placing a through groove; 22. placing the blocks; 23. a first block; 24. a second block; 241. a through hole; 242. a trapezoidal hole; 243. a clamping block; 244. connecting columns; 245. moving the hole; 246. a first mounting groove; 247. a second mounting groove; 248. a sealing plate; 25. a heat insulation block; 251. a guard bar; 26. heat dissipation holes; 27. a chuck; 271. and connecting teeth.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a snubber block of hydraulic pressure quartering hammer, as figure 1 and figure 2, including snubber block 1 and lower snubber block 2, go up snubber block 1 and all set up conical logical groove 21 of placing in corresponding position with lower snubber block 2, can place two central point that logical groove 21 set up at last snubber block 1 or lower snubber block 2 and put, two notch sizes of placing logical groove 21 in the one end that is close to mutually are greater than the notch size of keeping away from one end mutually, two are placed and all have placed conical piece 22 of placing in leading to the groove 21, the tapering of placing piece 22 is greater than the tapering of placing logical groove 21, and it forms the round annular line to place piece 22 and place when leading to groove 21 notch conflict, two are placed piece 22 and all extend to place the great one side of logical groove 21 notch size and interconnect.

As shown in fig. 1 and fig. 2, at this time, two placing blocks 22 support the upper buffer block 1 on the lower buffer block 2, when the upper buffer block 1 and the lower buffer block 2 are subjected to extrusion force, the extrusion force is transmitted to the placing blocks 22, so that the placing blocks 22 are extruded with the notches of the placing through grooves 21, the placing blocks 22 are deformed, the deformation of the upper buffer block 1 and the lower buffer block 2 is reduced by the placing blocks 22, the service life of the upper buffer block 1 or the lower buffer block 2 is prolonged, and when replacement is required, only the upper buffer block 1 and the lower buffer block 2 or the placing blocks 22 which are independently replaced are needed, the installation and the disassembly are convenient, in addition, a circle of annular line is formed when the placing blocks 22 are abutted against the notches of the placing through grooves 21, the placing blocks 22 can be conveniently placed into the placing through grooves 21 when the extrusion force is applied to the placing blocks 22 by the upper buffer block 1 or the lower buffer block 2, after the external force is applied, the placing blocks 22 are gradually moved out of the placing through grooves 21 due to the, waiting for the next cushioning deformation.

As shown in fig. 1 and 2, the upper buffer block 1 and the lower buffer block 2 both comprise a first block 23 and a second block 24 provided with a through groove 21, the second block 24 is detachably connected with the first block 23, the second block 24 and the lower buffer block 22 are made of elastic high-temperature-resistant materials in a consistent mode, when the upper buffer block 1 and the lower buffer block 2 are stressed and extruded, the second block 24 and the lower buffer block 22 are extruded and deformed, at the moment, the main deformation is concentrated on the second block 24 and the lower buffer block 22, therefore, the second block 24 and the material for placing the block 22 can be made of the elastic high-temperature-resistant materials, the service life of the second block 24 and the service life of the lower buffer block 22 are prolonged, at the moment, a part of the elastic high-cost high-temperature-resistant materials are adopted alone, the manufacturing cost is saved, and the use of the whole.

As shown in fig. 1 and 2, the second block 24 and the placement block 22 are made of a fully aromatic polyimide. Make second piece 24 and place piece 22 under high temperature, can keep good elastic force, be convenient for second piece 24 and place the piece 22 and be recovered after the extrusion deformation, and then make the snubber block play good cushioning effect.

As shown in fig. 1 and 2, a through hole 241 for embedding the second block 24 is provided on the first block 23, when the second block 24 is embedded in the first block 23, so that the upper and lower end faces of the second block 24 and the first block 23 are flush, trapezoidal holes 242 are correspondingly provided on the second block 24 and the first block 23 at one side close to each other, the upper bottoms of the two corresponding trapezoidal holes 242 are oppositely arranged and set as a group, a plurality of groups of trapezoidal holes 242 are provided on the second block 24 and the first block 23, the trapezoidal holes 242 are provided on one side corresponding to the upper buffer block 1 and the lower buffer block 2, a blocking block 243 matched with the two trapezoidal holes 242 is embedded in the hole wall of the group of trapezoidal holes 242, each blocking block 243 is tightly connected with the trapezoidal hole 242, each blocking block 243 is provided with an elastic connecting post 244 extending out an aperture of the trapezoidal hole 242, and the upper and lower corresponding connecting posts 244 abut against one side.

As shown in fig. 1 and fig. 2, at this moment, each group of trapezoidal holes 242 is distributed around the circular arc line with the center of the through groove 21 as the center of the circle, at this moment, the fixture block 243 is placed in each group of trapezoidal holes 242, so that the first block 23 and the second block 24 are connected together, the trapezoidal holes 242 are arranged on one side surface corresponding to the upper buffer block 1 and the lower buffer block 2, at this moment, one side surface of the upper buffer block 1 deviating from the lower buffer block 2 is subjected to extrusion force, at this moment, the position of the second block 24 in the first block 23 is stable, the second block 24 is convenient to install and detach, at this moment, the fixture block 243 is arranged to reduce the moving trend of the first block 23 towards the direction far away from the second block 24, after the fixture block 243 enters the trapezoidal holes 242, the connecting column 244 is arranged to buffer the extrusion force between the upper buffer block 1.

As shown in fig. 1 and 2, the upper connecting column 244 is a prismatic column, which may be a triangular prism, extending into the lower connecting column 244, and a moving hole 245 for the prismatic column to move along the length direction of the upper connecting column 244 is formed in the lower connecting column 244. The setting of prismatic column plays the guide effect to the removal of going up buffer block 1 and buffer block 2 down this moment, is convenient for go up buffer block 1 and buffer block 2 down and applys external force to placing piece 22, and the setting of triangular prism makes the prismatic column when immigrating to the hole bottom of removal hole 245, and is big to the holding power of going up buffer block 1.

Like fig. 1 and 2, in addition place and offer a plurality of on the piece 22 along the perpendicular to cushion block 1 and cushion block 2 moving direction's 26 that distribute down, the both ends of louvre 26 all extend the both ends of placing piece 22, place the piece 22 this moment when being extruded deformation, louvre 26 is extruded, the air in the louvre 26 this moment is extruded, when placing piece 22 and resume the original shape, the aperture increase of louvre 26, make the air be inhaled in louvre 26 again, make the heat in placing piece 22 reduce, this moment owing to place on the piece 22 each louvre 26 induced draft repeatedly, blow, be located and place the peripheral prismatic post of piece 22 and receive the forced air cooling and receive when wind-force, because the setting of prismatic post, reduce the resistance that the wind flows, and reduce the horizontal deformation of prismatic post.

As shown in fig. 1 and 2, an annular first mounting groove 246 is formed in the hole wall of the through hole 241, a second mounting groove 247 corresponding to the first mounting groove 246 is formed in the outer wall of the second block 24, the first mounting groove 246 and the second mounting groove 247 are both formed in the side, away from each other, of the upper buffer block 1 and the lower buffer block 2, the first mounting groove 246 and the second mounting groove 247 are both communicated with each other, and an annular sealing plate 248 located in the first mounting groove 246 and the second mounting groove 247 is placed. The arrangement of the sealing plate 248 is convenient for the second block 24 to be installed in the first block 23, and when the second block 24 is installed in the first block 23, the plate surfaces of the second block 24 and the first block 23 are connected through the sealing plate 248, the second block 24 and the first block 23 are located on the same plane, the second block 24 is convenient to be pressed, the sealing plate 248 is arranged on one side of the heat insulation plate facing the first block 23, at this time, if the plate surfaces of the second block 24 and the first block 23 are not located on the same plane, the sealing plate 248 directly applies force to the second block 24, the deformation of the second block 24 is also convenient, in addition, when the plate surfaces of the second block 24 and the first block 23 are located on the same plane, the sealing plate 248 increases the force application area to the second block 24, the deformation of the second block 24 is convenient, and the shock absorption of the shock absorption block is convenient.

As shown in fig. 1 and 2, the two first blocks 23 and the two second blocks 24 are provided with heat insulation blocks 25 at the sides facing away from each other, the heat insulation blocks 25 are matched with the first blocks 23 and the second blocks 24 in a plate surface manner, the periphery of each heat insulation block 25 extends to the edge of the first block 23, and a plurality of protection rods 251 extending to the side edges of the first block 23 are provided. The heat insulating blocks 25 reduce heat transfer to the upper and

lower buffer blocks

1 and 2 and the provision of the guard bars 251 reduces deformation of the first blocks 23.

As shown in fig. 3, alternatively, the two connecting posts 244 are provided with the chucks 27 at opposite ends, and the two chucks 27 are provided with a plurality of engaging teeth 271 at corresponding ends. At this time, when the upper buffer block 1 and the lower buffer block 2 move towards the opposite ends or the ends far away from each other, the connecting teeth 271 strengthen the positions of the two connecting columns 244, so that the positions of the connecting columns 244 are fixed, and the dislocation of the opposite ends of the two connecting columns 244 is reduced when the connecting columns 244 are pressed.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a snubber block of hydraulic breaking hammer, its characterized in that, includes snubber block (1) and lower snubber block (2), go up snubber block (1) and all set up conical placing through groove (21) in corresponding position with lower snubber block (2), two place through groove (21) and be greater than the notch size of keeping away from one end mutually in the notch size of the one end that is close to mutually, two place and all placed conical placing block (22) in leading to groove (21), the tapering of placing block (22) is greater than the tapering of placing through groove (21), just place block (22) and form round annular line when placing through groove (21) notch conflict, two place block (22) and all extend to place the great one side of leading to groove (21) notch size and interconnect.

2. The pad of claim 1, wherein: go up buffer block (1) and lower buffer block (2) and all include first piece (23) and offer second piece (24) of placing logical groove (21), second piece (24) and first piece (23) can be dismantled and connect, second piece (24) and place piece (22) material unanimously be elasticity refractory material.

3. The pad of claim 2, wherein: the second block (24) and the placing block (22) are made of fully aromatic polyimide.

4. The pad of claim 2, wherein: the buffer structure is characterized in that a through hole (241) for embedding the second block (24) is formed in the first block (23), when the second block (24) is embedded into the first block (23), so that the upper end face and the lower end face of the second block (24) and the first block (23) are flush, trapezoidal holes (242) are correspondingly formed in one side of the second block (24) and the first block (23) close to each other, the upper bottoms of the two corresponding trapezoidal holes (242) are oppositely arranged and are set into a group, a plurality of groups of trapezoidal holes (242) are formed in the second block (24) and the first block (23), the trapezoidal holes (242) are formed in one corresponding side face of the upper buffer block (1) and the lower buffer block (2), clamping blocks (243) matched with the two trapezoidal holes (242) are embedded in one group of the trapezoidal holes (242), and elastic connecting columns (244) extending out orifices of the trapezoidal holes (242) are arranged on each clamping block (243), the upper and lower two corresponding connecting posts (244) abut at corresponding sides.

5. The pad of claim 4, wherein: the upper connecting column (244) is a prismatic column which extends into the lower connecting column (244), and a moving hole (245) for the prismatic column to move along the length direction of the upper connecting column (244) is formed in the lower connecting column (244).

6. The pad of claim 4, wherein: seted up annular first mounting groove (246) on the pore wall of through-hole (241), set up on second piece (24) outer wall with first mounting groove (246) corresponding second mounting groove (247), one side that last buffer block (1) and lower buffer block (2) deviate from mutually is all seted up in first mounting groove (246) and second mounting groove (247), just first mounting groove (246) and second mounting groove (247) all communicate each other and place annular seal plate (248) that are located first mounting groove (246) and second mounting groove (247).

7. The hydraulic breaker bar of claim 2 or 6 wherein: two first piece (23) and second piece (24) all are equipped with first piece (23) and second piece (24) face complex thermal-insulated piece (25) in the one side that deviates from mutually, the periphery of thermal-insulated piece (25) extends to the edge of first piece (23) and is equipped with a plurality of guard bars (251) that extend to first piece (23) side.

8. A hydraulic breaker block of claim 1 or claim 2 wherein: the placing block (22) is provided with a plurality of heat dissipation holes (26) distributed along the moving direction of the upper buffer block (1) and the lower buffer block (2) in a vertical mode, and two ends of each heat dissipation hole (26) extend out of two ends of the placing block (22).

9. The pad of claim 4, wherein: two spliced pole (244) all are equipped with chuck (27) in relative one end, two chuck (27) all are equipped with a plurality of intermeshing's connecting teeth (271) in corresponding one end.

10. The pad of claim 7, wherein: the sealing plate (248) is arranged on the side of the heat insulation plate facing the first block (23).