CN217733975U

CN217733975U - Roadbed hydraulic rammer

Info

Publication number: CN217733975U
Application number: CN202220521211.XU
Authority: CN
Inventors: 朱绪国; 侯锋; 王维忠; 高帅; 王晓强; 贾卫东
Original assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Current assignee: CCCC SHEC Dong Meng Engineering Co Ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-11-04
Anticipated expiration: 2032-03-11

Abstract

The utility model relates to a road bed hydraulic ram, including ramming the frame, the roof fixedly connected with pneumatic cylinder of ramming the frame inner chamber, the outside fixedly connected with connecting rod of pneumatic cylinder output shaft, the bottom fixedly connected with ram of connecting rod, the inside fixedly connected with buffer gear of ramming the frame, the lower fixedly connected with positioning mechanism of ramming the frame, buffer gear includes the fixed connection at the inside partition panel of ramming the frame, the lower fixed surface of partition panel is connected with the installation cover, the lower fixed surface of installation cover is connected with two first springs, two the lower fixed surface of first spring is connected with the buffer block, the last fixed surface of buffer block is connected with the buffer beam. According to the roadbed hydraulic rammer, when the rammer rises through the matching among the springs, the impact force caused by the rammer is continuously reduced by utilizing the shock absorption and the buffering among the springs, and the falling potential energy is increased for the rammer by utilizing the springs which reset after compression, so that the purpose of protecting a hydraulic cylinder is achieved.

Description

Roadbed hydraulic rammer

Technical Field

The utility model relates to a rammer compactor technical field specifically is a road bed hydraulic ram.

Background

In order to improve the quality of backfill engineering at positions of a highway under construction, a bridge, a platform back and the like and eliminate the quality hidden trouble caused by difficulty in compaction due to the narrow working surface and the inconvenient operation of a large compaction machine in a local area, a hydraulic compactor is introduced in roadbed construction to tamp important positions of lap joints of new and old roads, the backfill position of the platform back of the bridge and the like.

Rammers on the present market are various, but these rammers often have the problem that makes the pneumatic cylinder damage easily, the old and new road bed overlap joint department of traditional handicraft and structure platform back of the body department adopt small-size vibratory rammer, it is little to ram efficiently, and ram thickness limited, must every layer of rammer, current rammer is usually when rammer high-speed impact ram plate, the pneumatic cylinder can bear the power of bounce-back, the time probably can make the pneumatic cylinder take place to damage for a long time, greatly reduced rammer's practicality.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a road bed hydraulic ram possesses and adopts hydraulic ram compactor efficient, and is fast, and tamps the degree of depth height, can tamp once a second, practices thrift the cost in a large number for the advantage of construction progress has solved current ram compactor and has had the problem that makes the pneumatic cylinder damage easily.

In order to achieve the above purpose, the utility model provides a following technical scheme: the roadbed hydraulic rammer comprises a rammer frame, wherein a hydraulic cylinder is fixedly connected to the top wall of an inner cavity of the rammer frame, a connecting rod is fixedly connected to the outer side of an output shaft of the hydraulic cylinder, a rammer hammer is fixedly connected to the bottom end of the connecting rod, a buffering mechanism is fixedly connected to the inside of the rammer frame, and a positioning mechanism is fixedly connected to the lower surface of the rammer frame;

the damping mechanism comprises a partition plate fixedly connected inside the tamper frame, the lower surface of the partition plate is fixedly connected with an installation sleeve, the lower surface of the installation sleeve is fixedly connected with two first springs, the lower surfaces of the two first springs are fixedly connected with a damping block, the upper surface of the damping block is fixedly connected with a damping rod, the top end of the damping rod is fixedly connected with a damping disc, the left side and the right side of the damping disc are movably connected with sliding blocks, the left side and the right side of the two sliding blocks are fixedly connected with two second springs, the upper surfaces of the two sliding blocks are movably connected with an installation seat, the upper surface of the installation seat is fixedly connected with a third spring, and the upper surface of the installation seat is fixedly connected with two fourth springs;

positioning mechanism includes two fifth springs of fixed connection at the frame lower surface of ramming, the lower fixed surface of ramming the frame is connected with two dead levers, two the lower fixed surface of fifth spring is connected with the ramming plate, two constant head tanks have been seted up to the lower surface of ramming plate, two the roof fixedly connected with of constant head tank inner chamber has two sixth springs, two the roof fixedly connected with of constant head tank inner chamber has two telescopic links, two the equal fixedly connected with drill bit in bottom of telescopic link.

Furthermore, buffer gear still includes two buffer boards of fixed connection at the rammer upper surface, two the upper surface of buffer board is two rubber pads of fixed connection respectively.

Further, two slide bars are fixedly connected to the left side and the right side of the rammer, sliding grooves are formed in the left side wall and the right side wall of the inner cavity of the rammer frame, and the slide bars are movably connected to the inner portions of the sliding grooves.

Furthermore, a through hole is formed in the lower surface of the mounting sleeve, and the buffer rod is movably connected inside the through hole.

Furthermore, two equal fixedly connected with of upper surface of slider has two wheelsets, the left and right sides the equal swing joint of wheelset is at the lower surface of mount pad.

Furthermore, the shape of two sliders is triangle-shaped, buffer gear's quantity is two, and with the left and right sides symmetric distribution of connecting rod axis.

Furthermore, two grooves are formed in the upper surface of the tamping plate, and the two fixing rods are movably connected inside the two grooves respectively.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. according to the roadbed hydraulic rammer, when the rammer rises through the matching among the springs, the impact force caused by the rammer is continuously reduced by utilizing the shock absorption and the buffering among the springs, and meanwhile, the falling potential energy is increased for the rammer by utilizing the springs which reset after compression, so that the purpose of protecting a hydraulic cylinder is achieved.

2. This road bed hydraulic rammer through the cooperation between drill bit and the telescopic link, utilizes the drill bit to fix a position the position that needs the hydraulic rammer, and the position deviation appears when avoiding the hydraulic rammer, has reached and has carried out the purpose of fixing a position to the rammer.

Drawings

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

FIG. 2 is a schematic view of the buffering mechanism of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

fig. 4 is a schematic view of the positioning mechanism of the present invention.

In the figure: 1 ramming frame, 2 hydraulic cylinders, 3 connecting rods, 4 rammers, 5 buffering mechanisms, 501 partition plates, 502 mounting sleeves, 503 first springs, 504 buffering blocks, 505 buffering rods, 506 buffering disks, 507 sliding blocks, 508 second springs, 509 mounting seats, 510 third springs, 511 fourth springs, 6 positioning mechanisms, 601 fifth springs, 602 fixing rods, 603 ramming plates, 604 positioning grooves, 605 sixth springs, 606 telescopic rods and 607 drill bits.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention

Referring to fig. 1, the roadbed hydraulic rammer in the embodiment includes a rammer frame 1, a hydraulic cylinder 2 is fixedly connected to the top wall of an inner cavity of the rammer frame 1, a connecting rod 3 is fixedly connected to the outer side of an output shaft of the hydraulic cylinder 2, a rammer 4 is fixedly connected to the bottom end of the connecting rod 3, the rammer 4 is lifted to a certain height and then falls down, and reciprocates under the action of the hydraulic cylinder 2, a rammer plate 603 with a cushion pad is hit at a high speed, the ground is indirectly rammed, different positions can be accurately and quickly tamped under the traction of a moving machine, a buffer mechanism 5 is fixedly connected to the inside of the rammer frame 1, and a positioning mechanism 6 is fixedly connected to the lower surface of the rammer frame 1.

The equal two slide bars of fixedly connected with in the left and right sides of ram 4, the spout has all been seted up to the left and right sides wall of 1 inner chamber of rammer frame, the equal swing joint of the slide bar in the left and right sides inside at the spout.

Referring to fig. 2-3, in order to protect the hydraulic cylinder 2, the buffering mechanism 5 in this embodiment includes a partition plate 501 fixedly connected inside the rammer frame 1, a mounting sleeve 502 is fixedly connected to a lower surface of the partition plate 501, two first springs 503 are fixedly connected to a lower surface of the mounting sleeve 502, the impact force is reduced by the first springs 503, buffer blocks 504 are fixedly connected to lower surfaces of the two first springs 503, buffer rods 505 are fixedly connected to upper surfaces of the buffer blocks 504, buffer discs 506 are fixedly connected to top ends of the buffer rods 505, sliders 507 are movably connected to left and right sides of the buffer discs 506, the two sliders 507 simultaneously bear the impact force in the upward and reverse side directions, the received impact force is reduced by the second springs 508, two second springs 508 are fixedly connected to left and right sides of the two sliders 507, a mounting seat 509 is movably connected to upper surfaces of the two sliders 507, a third spring 510 is fixedly connected to an upper surface of the mounting seat 509, two fourth springs 511 are fixedly connected to an upper surface of the mounting seat 509, when the mounting seat 509 moves upward, the third spring 510 and the fourth spring 511 respectively press the fourth spring 511, thereby reducing the impact force and achieving the buffering effect.

Buffer gear 5 still includes two buffer boards of fixed connection at the 4 upper surfaces of ram, the upper surface difference two rubber pads of two buffer boards fixedly connected with, the through-hole has been seted up to the lower surface of installation cover 502, buffer bar 505 swing joint is in the inside of through-hole, two wheelsets of the equal fixedly connected with in upper surface of two sliders 507, the equal swing joint of left and right sides wheelset is at the lower surface of mount pad 509, the shape of two sliders 507 is triangle-shaped, buffer gear 5's quantity is two, and with the left and right sides symmetric distribution of 3 axis of connecting rod, when ram 4 descends again, utilize the bounce force that resets between each spring and produce, make ram 4's decline potential energy increase, make hydraulic tamper efficient, high speed, and the tamping depth is high.

When the rammers 4 rise, the impact force brought by the rammers 4 is continuously reduced by using the shock absorption and the buffering among the springs through the springs, and meanwhile, the springs which reset after compression are used for increasing the falling potential energy for the rammers 4, so that the aim of protecting the hydraulic cylinder 2 is fulfilled, the high-speed hydraulic compactor can be widely applied to bridges, small structures and abutment structure platform backs, and the lap joints of new and old roadbed of a wide road base, so that the phenomena of bridge head jumping and uneven settlement of the new and old roadbed in the construction of highways are solved, and meanwhile, the high-speed hydraulic compactor can also be applied to the tamping of foundations of large-scale foundation facilities such as oil depots, ports, airports, parking lots and the like; burying and compacting the environmental sanitation garbage and the harmful substances. And is also suitable for compaction operation of partial road sections and narrow areas such as half-digging and half-filling and the like.

Referring to fig. 4, in order to position rammer 4, positioning mechanism 6 in the present embodiment includes two fifth springs 601 fixedly connected to the lower surface of rammer frame 1, two fixing rods 602 fixedly connected to the lower surface of rammer frame 1, two rammer plates 603 fixedly connected to the lower surfaces of the two fifth springs 601, two positioning slots 604 formed on the lower surface of rammer plate 603, two sixth springs 605 fixedly connected to the top walls of the inner cavities of the two positioning slots 604, two telescopic rods 606 fixedly connected to the top walls of the inner cavities of the two positioning slots 604, and drill bits 607 fixedly connected to the bottom ends of the two telescopic rods 606.

Two grooves are formed in the upper surface of the tamping plate 603, and the two fixing rods 602 are movably connected inside the two grooves respectively.

Through drill bit 607 and telescopic link 606, utilize drill bit 607 can fix a position the position that needs the hydraulic rammer, position deviation appears when avoiding the hydraulic rammer, reached the purpose of fixing a position rammer 4, the hydraulic rammer is fit for local highway section and narrow and small area operation, the vertical deformation of roadbed surface can reach more than ten centimetres after this equipment reinforcement, can obviously improve the closely knit degree of backfill, accelerate to eliminate the settlement of backfill within the certain depth range, thereby effectively improve the quality of backfill engineering, the hydraulic rammer is mechanical, electron and hydraulic pressure integration product, adopt electronic automatic control system, can carry out ramming intensity and mode selection, in order to satisfy multiple operation requirement, the technology is advanced, the hydraulic rammer is installed on excavator or loader, can conveniently swiftly accomplish transposition and turn round work, and can get into narrow place.

The working principle of the above embodiment is as follows:

(1) When hydraulic compaction is needed to be performed on a roadbed, the tamping frame 1 drives the tamping plates 603 and the drill bits 607 to position a target area, the tamping frame 1 moves downwards after positioning is completed, at the moment, the fifth spring 601 and the sixth spring 605 are compressed simultaneously, the two drill bits 607 are immersed into the ground, after stabilization, the rammer 4 is lifted to a certain height and then falls down, and reciprocates under the action of the hydraulic cylinder 2, the rammer plate 603 with the cushion pad is hit at a high speed, the ground is tamped indirectly, different positions can be tamped accurately and quickly under the traction of the moving machine, the rammer 4 is impacted on the tamping plates 603 and then moves upwards, when the cushion plate on the upper surface of the rammer 4 is in contact with the cushion block 504, impact force is transmitted upwards through the cushion block 504, the first spring 503 is squeezed, and the impact force is reduced by the first spring 503.

(2) The rest impact force is transmitted to the two sliding blocks 507 through the buffer disc 506, so that the two sliding blocks 507 start to move towards the opposite side direction and extrude the second spring 508, at the moment, the two sliding blocks 507 bear the impact force towards the opposite side direction, the mounting seat 509 moves upwards through the upward transmission, the third spring 510 and the fourth spring 511 are respectively extruded, the impact force is reduced, the buffer effect is achieved, and meanwhile, when the rammer 4 descends again, the rebound force generated by resetting between the springs is utilized, so that the descending potential energy of the rammer 4 is increased, the hydraulic compactor is high in efficiency and speed, and the ramming depth is high.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Roadbed hydraulic ram, including ramming frame (1), its characterized in that: the hydraulic cylinder (2) is fixedly connected to the top wall of the inner cavity of the tamping frame (1), the connecting rod (3) is fixedly connected to the outer side of an output shaft of the hydraulic cylinder (2), the tamping hammer (4) is fixedly connected to the bottom end of the connecting rod (3), the buffering mechanism (5) is fixedly connected to the interior of the tamping frame (1), and the positioning mechanism (6) is fixedly connected to the lower surface of the tamping frame (1);

the damping mechanism (5) comprises a partition plate (501) fixedly connected to the inside of the ramming frame (1), the lower surface of the partition plate (501) is fixedly connected with a mounting sleeve (502), the lower surface of the mounting sleeve (502) is fixedly connected with two first springs (503), the lower surfaces of the two first springs (503) are fixedly connected with a damping block (504), the upper surface of the damping block (504) is fixedly connected with a damping rod (505), the top end of the damping rod (505) is fixedly connected with a damping disc (506), the left side and the right side of the damping disc (506) are both movably connected with sliding blocks (507), the left side and the right side of each sliding block (507) are both fixedly connected with two second springs (508), the upper surfaces of the two sliding blocks (507) are both movably connected with a mounting seat (509), the upper surface of the mounting seat (509) is fixedly connected with a third spring (510), and the upper surface of the mounting seat (509) is fixedly connected with two fourth springs (511);

positioning mechanism (6) are including two fifth springs (601) of fixed connection at ramming frame (1) lower surface, ramming frame (1)'s lower fixed surface is connected with two dead levers (602), two the lower fixed surface of fifth spring (601) is connected with ramming plate (603), two constant head tank (604), two have been seted up to the lower surface of ramming plate (603) the two sixth springs (605) of roof fixedly connected with of constant head tank (604) inner chamber, two telescopic link (606) of roof fixedly connected with of constant head tank (604) inner chamber, two the equal fixedly connected with drill bit (607) in bottom of telescopic link (606).

2. The roadbed hydraulic ram of claim 1, wherein: the buffer mechanism (5) further comprises two buffer plates fixedly connected to the upper surface of the rammer (4), and the upper surfaces of the two buffer plates are fixedly connected with two rubber pads respectively.

3. The roadbed hydraulic ram of claim 1, wherein: the all fixedly connected with two slide bars of the left and right sides of ram (4), the spout has all been seted up to the left and right sides wall of rammer frame (1) inner chamber, the left and right sides the equal swing joint of slide bar is in the inside of spout.

4. The roadbed hydraulic ram of claim 1, wherein: the lower surface of the mounting sleeve (502) is provided with a through hole, and the buffer rod (505) is movably connected inside the through hole.

5. The roadbed hydraulic ram of claim 1, wherein: two the equal fixedly connected with two wheelsets of upper surface of slider (507), the left and right sides the equal swing joint of wheelset is at the lower surface of mount pad (509).

6. The roadbed hydraulic ram of claim 1, wherein: the two sliding blocks (507) are triangular, and the number of the buffer mechanisms (5) is two and is symmetrically distributed with the left side and the right side of the central axis of the connecting rod (3).

7. The roadbed hydraulic ram of claim 1, wherein: two grooves are formed in the upper surface of the tamping plate (603), and the two fixing rods (602) are movably connected inside the two grooves respectively.