CN216922692U

CN216922692U - Buffer device for full-hydraulic electro-hydraulic hammer

Info

Publication number: CN216922692U
Application number: CN202220031818.XU
Authority: CN
Inventors: 李持顺; 万经江; 刘斯坤; 李建正; 李世新; 刘超; 周丕河
Original assignee: Zhangqiu Shunxin Forging Co ltd
Current assignee: Zhangqiu Shunxin Forging Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-08
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to the technical field of full-hydraulic electric hydraulic hammers, in particular to a buffer device for a full-hydraulic electric hydraulic hammer, which comprises an upper limiting block and thread grooves, wherein the thread grooves are formed in one side of the upper end of the upper limiting block and are symmetrically arranged. The buffer cylinder and the buffer rod are arranged, the buffer cylinder is arranged in the middle of the upper end of the upper limiting block, the buffer rod is arranged on one side of the buffer cylinder, when the hammer head returns at a high speed, partial impact force can be counteracted under the combined action of the buffer cylinder and the buffer rod, the hammer head can stably stay to the upper limiting block, the oil leakage accident caused by the main valve damage is avoided, the buffer rod of the device is in threaded connection with the upper limiting block through the threaded column, the buffer rod is convenient to disassemble and assemble, a user can rapidly replace the buffer rod with reduced contractibility, and the device is beneficial to practical use.

Description

Buffer device for full hydraulic electro-hydraulic hammer

Technical Field

The utility model relates to the technical field of full-hydraulic electro-hydraulic hammers, in particular to a buffer device for a full-hydraulic electro-hydraulic hammer.

Background

The full hydraulic electro-hydraulic hammer is a new generation product of the traditional electro-hydraulic hammer and is a novel forging device which is most energy-saving and environment-friendly. The working principle is similar to that of an electro-hydraulic hammer, and the striking frequency can be improved, the oil temperature can be reduced, the service life can be prolonged, the quality of a forged piece can be improved, and a large amount of energy can be saved.

But current hydraulic electro-hydraulic hammer can produce great impact force to last spacing piece when high-speed return stroke, and the tup can't stop to last spacing comparatively steadily for damage the main valve easily and take place to let out the oil drainage accident, and current hydraulic electro-hydraulic hammer buffer gear is not convenient for carry out the dismouting, and the buffer gear that the user of service can not quick replacement shock-absorbing capacity reduces is unfavorable for actual use.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a buffer device for a full hydraulic electro-hydraulic hammer, which overcomes the defects of the prior art, has simple structural design and effectively solves the problems that the prior hydraulic electro-hydraulic hammer can generate larger impact force on an upper limit block during high-speed return stroke, and a hammer head cannot stably stay to the upper limit, so that an oil drainage accident is easily caused when a main valve is damaged, the prior hydraulic electro-hydraulic hammer buffer mechanism is inconvenient to disassemble and assemble, and a user cannot rapidly replace the buffer mechanism with reduced buffer performance, thereby being not beneficial to practical use.

In order to solve the technical problems, the utility model provides the following technical scheme:

a buffer device for a full hydraulic electro-hydraulic hammer comprises an upper limiting block and thread grooves, wherein the thread grooves are formed in one side of the upper end of the upper limiting block;

the thread grooves are symmetrically arranged.

Preferably, one side of the upper limiting block is provided with a limiting column, and the limiting blocks above the limiting columns are distributed and arranged in a central symmetry mode.

Preferably, the lower end of the upper limiting block is connected with a hydraulic rod, the lower end of the hydraulic rod is provided with a hammer head, and the width of the hammer head is the same as that of the limiting columns.

Preferably, the middle of the upper end of the upper limiting block is provided with a buffer cylinder, the upper end of the buffer cylinder is provided with a top seat, one side of the bottom of the top seat is provided with a thread groove, and the upper end of the top seat is provided with a high-pressure oil pump.

Preferably, go up spacing block's upper end one side and all install the buffer beam, the upper end of buffer beam is connected with the dead lever, the buffer beam is scalable setting, and the outside of buffer beam is connected with buffer spring.

Preferably, the upper end of the fixed rod is connected with a threaded column, the lower end of the buffer rod is connected with a threaded column, and the threaded columns are matched with the threaded grooves in size.

The embodiment of the utility model provides a buffer device for a full hydraulic electro-hydraulic hammer, which has the following beneficial effects: the buffer cylinder and the buffer rod are arranged, the buffer cylinder is arranged in the middle of the upper end of the upper limiting block, the buffer rod is arranged on one side of the buffer cylinder, when the hammer head returns at a high speed, partial impact force can be counteracted under the combined action of the buffer cylinder and the buffer rod, the hammer head can stably stay to the upper limiting block, the oil leakage accident caused by the main valve damage is avoided, the buffer rod of the device is in threaded connection with the upper limiting block through the threaded column, the buffer rod is convenient to disassemble and assemble, a user can rapidly replace the buffer rod with reduced contractibility, and the device is beneficial to practical use.

1. Through setting up buffer cylinder and buffer beam, current full-hydraulic electro-hydraulic hammer is driven the high-pressure oil pump operation by the motor, the high-pressure oil pump provides high-pressure oil and drives the tup motion, equipment becomes the system by oneself, it is gaseously not receive boiler or air compressor machine, there is the restriction of non-pressure, there is the electricity hammer work of can opening, the device has buffer cylinder at the upper end mid-mounting of last stopper, one side of buffer cylinder all is provided with the buffer beam, the buffer beam has certain elasticity performance, and the outside of buffer beam is connected with buffer spring, buffer cylinder can offset partial impact force with the buffer beam combined action down when the high-speed return stroke of tup, make the tup can be comparatively steady stop to last spacing, avoid damaging the main valve and take place the draining accident, be favorable to actual use.

2. Through setting up the screw thread post, the device all is connected with the screw thread post in the upper end of dead lever and the lower extreme of buffer lever, and the upper end one side of spacing piece all is provided with the thread groove with bottom one side of footstock, and the rotatory two sets of buffer levers of user of service carry out threaded connection with spacing piece and footstock, are convenient for carry out the buffer lever dismouting, and user of service can the buffer lever that quick replacement shrink performance reduces, is favorable to actual use.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a diagram illustrating a structure of a limiting block according to the present invention;

FIG. 3 is a schematic view of the structure of the buffer rod of the present invention.

In the figure: 1. a limiting column; 2. a hammer head; 3. a hydraulic lever; 4. an upper limit block; 5. a top seat; 6. a high-pressure oil pump; 7. a buffer cylinder; 8. a thread groove; 9. fixing the rod; 10. a threaded post; 11. a buffer rod; 12. a buffer spring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 2, a buffer device for full hydraulic electrohydraulic hammer, includes upper limit block 4 and thread groove 8, and upper end one side of upper limit block 4 all is provided with thread groove 8, and thread groove 8 is the symmetry setting for can effectively carry out the shock attenuation buffering to one side after two sets of buffer rods 11 are installed, be favorable to actual use.

Specifically, please show as fig. 1, spacing post 1 is all installed to one side of last spacing block 4 for spacing 2 horizontal directions of tup, avoid 2 removal in-process of tup to take place the horizontal hunting and influence forging precision, be favorable to actual use.

Specifically, as shown in fig. 1, the lower end of the upper limiting block 4 is connected with a hydraulic rod 3, the lower end of the hydraulic rod 3 is provided with a hammer head 2, and the hammer head 2 is driven by the hydraulic rod 3 to move downwards, so that the device is not limited by whether a boiler or an air compressor is air-free or not, or whether the boiler or the air compressor is air-free or not, and is beneficial to practical use.

Specifically, as shown in fig. 2, a buffer cylinder 7 is installed in the middle of the upper end of the upper limiting block 4 and used for damping and buffering the central portion, a high-pressure oil pump 6 is arranged at the upper end of the top base 5, the motor drives the high-pressure oil pump 6 to operate, and the high-pressure oil pump 6 provides high-pressure oil to drive the hammer 2 to move, so that actual use is facilitated.

Specifically, as shown in fig. 3, the buffer rods 11 are mounted on the upper end sides of the upper limiting blocks 4, the buffer rods 11 have certain telescopic performance, and the buffer springs 12 are connected to the outer sides of the buffer rods 11, so that when the hammer 2 returns at a high speed, the buffer cylinders 7 and the buffer rods 11 can counteract partial impact force under the combined action, and the practical use is facilitated.

Specifically, please show as fig. 3, the upper end of dead lever 9 is connected with threaded column 10, and the lower extreme of buffer beam 11 is connected with threaded column 10, and the rotatory two sets of buffer beams 11 of user and last spacing block 4 and footstock 5 carry out threaded connection, are convenient for carry out the dismouting of buffer beam 11, and user can quick replacement shrink performance reduce buffer beam 11, is favorable to actual use.

The working principle is as follows: through the arrangement of the buffer cylinder 7 and the buffer rod 11, the existing full hydraulic electro-hydraulic hammer is driven by a motor to operate the high-pressure oil pump 6, the high-pressure oil pump 6 provides high-pressure oil to drive the hammer head 2 to move, the equipment self-forming system is not limited by the existence of air and the pressure and no pressure of a boiler or an air compressor, the hammer can be opened to work with electricity, the device is provided with the buffer cylinder 7 in the middle of the upper end of the upper limit block 4, one side of the buffer cylinder 7 is provided with the buffer rod 11, the buffer rod 11 has certain telescopic performance, the outer side of the buffer rod 11 is connected with the buffer spring 12, when the hammer head 2 returns at high speed, the buffer cylinder 7 and the buffer rod 11 can counteract partial impact force under the combined action, so that the hammer head 2 can stably stay at the upper limit, the oil leakage accident caused by the damage to the main valve can be avoided, the actual use is facilitated, through the arrangement of the threaded column 10, the device is connected with the threaded column 10 at the upper end of the fixed rod 9 and the lower end of the buffer rod 11, and go up upper end one side of spacing block 4 and the bottom one side of footstock 5 and all be provided with thread groove 8, the rotatory two sets of buffer beam 11 of user of service carries out threaded connection with spacing block 4 and footstock 5 on, is convenient for carry out 11 dismouting of buffer beam, and user of service can quick replacement shrink performance reduce's buffer beam 11, is favorable to actual use.

Claims

1. A buffer device for a full hydraulic electro-hydraulic hammer comprises an upper limiting block (4) and a thread groove (8), and is characterized in that the thread groove (8) is formed in one side of the upper end of the upper limiting block (4);

the thread grooves (8) are symmetrically arranged.

2. The buffering device for the full hydraulic electro-hydraulic hammer according to claim 1, wherein the limiting columns (1) are mounted on one side of each upper limiting block (4), and the limiting columns (1) are arranged in a central symmetrical manner with the upper limiting blocks (4).

3. The buffering device for the full hydraulic electro-hydraulic hammer according to claim 2, wherein the lower end of the upper limiting block (4) is connected with a hydraulic rod (3), the lower end of the hydraulic rod (3) is provided with a hammer head (2), and the width of the hammer head (2) is the same as the width between the limiting columns (1).

4. The buffering device for the full hydraulic electro-hydraulic hammer according to claim 2, wherein a buffering cylinder (7) is installed in the middle of the upper end of the upper limiting block (4), a top seat (5) is installed at the upper end of the buffering cylinder (7), thread grooves (8) are formed in one side of the bottom of the top seat (5), and a high-pressure oil pump (6) is arranged at the upper end of the top seat (5).

5. The buffering device for the full hydraulic electro-hydraulic hammer according to claim 2, wherein a buffering rod (11) is installed on each side of the upper end of the upper limiting block (4), a fixing rod (9) is connected to the upper end of the buffering rod (11), the buffering rod (11) is arranged in a telescopic manner, and a buffering spring (12) is connected to the outer side of the buffering rod (11).

6. The buffer device for the full hydraulic electro-hydraulic hammer as claimed in claim 5, wherein the upper end of the fixed rod (9) is connected with a threaded column (10), the lower end of the buffer rod (11) is connected with a threaded column (10), and the threaded columns (10) are matched with the threaded groove (8) in size.