CN212509831U

CN212509831U - Oil pipe stabilizing device for hydraulic hammer

Info

Publication number: CN212509831U
Application number: CN202021129314.9U
Authority: CN
Inventors: 郭宝珠; 陈育聪; 黄梦洁; 黄昭全; 陈韶健
Original assignee: Fujian Haiwei Hydraulic Machinery Co ltd
Current assignee: Fujian Haiwei Hydraulic Machinery Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-02-09
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an oil pipe securing device for a hydraulic hammer, which comprises a first connecting piece, wherein a plurality of elastic sleeves for sleeving and wrapping oil pipes are fixed on the first connecting piece, the sleeves are arranged at intervals, and the sleeves are provided with notches along the length direction of the sleeves, and the size of each notch is smaller than the diameter of each oil pipe; the first connecting piece is provided with a fixing piece fixedly connected with the hammer frame; the utility model discloses play firm oil pipe's effect, can reduce oil pipe's collision each other, and then reduce the condition of oil pipe wearing and tearing.

Description

Oil pipe stabilizing device for hydraulic hammer

Technical Field

The utility model belongs to the technical field of the technique of hydraulic hammer structure and specifically relates to an oil pipe securing device for hydraulic hammer is related to.

Background

The pile foundation is a construction engineering foundation form widely applied to land and sea; with the increasing development and progress of the engineering construction in China, ocean engineering, sea filling and island building, offshore wind power, large bridges, high-rise buildings on land and the like in China are greatly improved, the pile foundation construction difficulty of the engineering becomes higher and higher, the length and the diameter of a foundation pile become larger and larger, so that a piling machine for penetrating the foundation pile into the stratum is required to have higher striking energy and higher striking frequency, and in order to meet the construction requirement, a hydraulic piling hammer enters the visual field of people.

As shown in fig. 4, the hydraulic pile driving hammer is a schematic partial structure, and includes a hammer frame 20 and an oil cylinder erected on the hammer frame 20, the oil cylinder is used for driving a hammer core to move up and down to complete a pile driving process, the hammer frame 20 is provided with an opening 30, the oil cylinder is connected with a plurality of oil pipes 10 for supplying and returning oil, and the oil pipes 10 penetrate through the opening 30 and are connected with an external oil tank.

In the hammer core piling process, the impact vibration and the vibration frequency generated by the hammer core are large, so that the oil pipes are shaken by high-frequency vibration, and the oil pipes are shaken and collided with each other, and the surface skin of the oil pipes is easily abraded by collision.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an oil pipe securing device for hydraulic hammer plays firm oil pipe's effect, can reduce oil pipe's collision each other, and then reduces the condition of oil pipe wearing and tearing.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

an oil pipe stabilizing device for a hydraulic hammer comprises a first connecting piece, wherein a plurality of elastic sleeves for sleeving and wrapping an oil pipe are fixed on the first connecting piece, the sleeves are arranged at intervals, gaps are formed in the sleeves along the length direction of the sleeves, and the sizes of the gaps are smaller than the diameter of the oil pipe; the first connecting piece is provided with a fixing piece fixedly connected with the hammer frame.

By adopting the technical scheme, when the oil pipe sleeve is used, the oil pipe sleeve is wrapped in the sleeve, and the sleeves are arranged at intervals, so that the oil pipe in the sleeve is arranged in a separated mode, mutual collision of adjacent oil pipes is avoided, and further abrasion of the oil pipe is reduced; and first connecting piece plays the intermediate action, through the mounting for sleeve and hammer carrier fixed connection play the effect of connecting oil pipe and hammer carrier, can reduce rocking of oil pipe to a certain extent, and then reduce and lead to oil pipe to break away from the telescopic condition because of oil pipe rocks, in order to ensure the steadiness between oil pipe and the sleeve.

The present invention may be further configured in a preferred embodiment as: the second connecting piece is arranged in parallel with the first connecting piece, a plurality of bending parts corresponding to the sleeves are formed by bending the second connecting piece, the cross sections of the bending parts are in a semicircular arc shape, and the inner arc surfaces of the bending parts are attached to the side walls of the notches of the sleeves; the second connecting piece is in threaded connection with the first connecting piece through a bolt.

By adopting the technical scheme, after the sleeve and the oil pipe are installed, the inner arc surface of the bent part of the second connecting piece is matched with the side wall of the sleeve to seal the notch, and finally, the installation and fixation between the second connecting piece and the first connecting piece are completed through the bolt; the second connecting piece fixedly connected with the first connecting piece is arranged, so that the notch can be sealed through the bending part on the second connecting piece, and the structure of the sleeve is reinforced, the situation that the oil pipe is expanded and separated from the sleeve due to high-frequency vibration is avoided, and the installation stability of the oil pipe and the sleeve is improved; and the portion of bending also is spacing with telescopic laminating setting, can improve securing device's structural strength, and then improves the firm effect to oil pipe.

The present invention may be further configured in a preferred embodiment as: the position of second connecting piece between two adjacent flexion is established to straight portion, the lateral wall protrusion structure of the first connecting piece of orientation of straight portion has the counterpoint pole, first connecting piece is seted up the confession the counterpoint hole that the counterpoint pole inserted and inlays.

By adopting the technical scheme, before the bolt is tightened, the first connecting piece and the second connecting piece are positioned and pre-installed by inserting the alignment rod and the alignment hole elastically, so that the subsequent bolt is convenient to screw, and the installation convenience is improved.

The present invention may be further configured in a preferred embodiment as: a plurality of reinforcing rib plates are fixedly connected between the side wall of the bending part far away from the sleeve and the side wall of the straight part, and the reinforcing rib plates are arranged at intervals along the length direction of the sleeve.

Adopt above-mentioned technical scheme, can improve the structural strength of second connecting piece and telescopic structural strength to reduce oil pipe and rock and strut the telescopic condition.

The present invention may be further configured in a preferred embodiment as: the cross section of the fixing piece is n-shaped, the fixing piece comprises two oppositely arranged side plates and a connecting plate connected between the two side plates, and the fixing piece is fixed to the side wall, far away from the second connecting piece, of the first connecting piece; the bolt penetrates through the straight portion, the first connecting piece and the threaded hole in sequence, and the end portion of the bolt extends into the inner side of the fixing piece.

By adopting the technical scheme, when the fixing piece is fixed with the hammer frame, the fixing piece is clamped at the edge of the opening of the hammer frame downwards, namely two opposite side plates of the fixing piece are respectively positioned at one side of the edge of the opening of the hammer frame, then the bolt is screwed in, so that the bolt sequentially passes through the straight part, the first connecting piece and the threaded hole until the end part of the bolt extends into the inner side of the fixing piece, namely the end part of the bolt is pressed against one side of the edge of the opening of the hammer frame, one side plate of the fixing piece is pressed against the other side, and the two form clamping force, so that the edge of the opening of the hammer frame is clamped in the clamping force, and the fixing of the; and the bolt also realizes the installation and fixation of the first connecting piece and the second connecting piece, namely, the installation steps of all the parts are simplified, the installation is completed at one time, and the installation efficiency and the convenience are improved.

The present invention may be further configured in a preferred embodiment as: the lateral wall protrusion structure that first connecting piece kept away from straight portion has the sand grip, the sand grip runs through to be seted up the confession curb plate plug connection's slot, the medial surface of connecting plate with the side laminating of sand grip.

By adopting the technical scheme, the fixing piece and the first connecting piece are installed and fixed through the connection of the side plate and the slot; and partial structure of the convex strip is positioned in the hollow part of the fixing piece, so that after the bolt is screwed, the bolt can be understood to block the opening in the hollow part of the fixing piece, and the bolt prevents the side plate from being separated from the slot, thereby ensuring the fixing stability of the fixing piece and the first connecting piece.

The present invention may be further configured in a preferred embodiment as: the fixing piece is made of stainless steel.

Adopt above-mentioned technical scheme, hard material ensures that the mounting has sufficient intensity to ensure between mounting and the bolt roof pressure cooperation can better centre gripping hammer carrier open-ended edge, in order to ensure the fixed effect of mounting.

The present invention may be further configured in a preferred embodiment as: the sleeve and the first connecting piece are integrally formed by hydrogenated nitrile rubber.

By adopting the technical scheme, the oil pipe is convenient to injection mold and process, has good weather resistance, is not easy to age due to long-time sun-drying and wind blowing, and can ensure the stable effect on the oil pipe.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the oil pipes are arranged in a separated manner through the sleeves arranged at intervals, so that mutual collision of adjacent oil pipes is avoided, and further the abrasion of the oil pipes is reduced; the fixing piece is used for connecting the oil pipe and the hammer frame, so that the shaking of the oil pipe can be reduced to a certain extent, the situation that the oil pipe is separated from the sleeve due to the shaking of the oil pipe is further reduced, and the stability between the oil pipe and the sleeve is ensured;

2. through the cooperation that sets up bolt and mounting, can once realize the fixed mounting between first connecting piece, second connecting piece and the hammer carrier, improve installation effectiveness and convenience.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment in cooperation with an oil pipe;

fig. 2 is an exploded view of the entire structure of the present embodiment;

fig. 3 is a sectional view of the entire structure of the present embodiment;

fig. 4 is a schematic diagram of a prior art structure.

In the figure, 1, a first connecting piece; 2. a second connecting member; 3. a fixing member; 4. a bolt; 10. an oil pipe; 11. a sleeve; 12. a notch; 13. aligning holes; 14. a convex strip; 15. a slot; 20. a hammer frame; 21. a bending section; 22. a straight portion; 23. a reinforcing rib plate; 30. an opening; 31. a side plate; 32. a connecting plate; 33. a threaded bore.

Detailed Description

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

As shown in fig. 1 and 2, for the utility model discloses an oil pipe securing device for hydraulic hammer, including first connecting piece 1 and with first connecting piece 1 parallel arrangement's second connecting piece 2, wherein second connecting piece 2 passes through bolt 4 threaded connection with first connecting piece 1, first connecting piece 1 is equipped with the mounting 3 with hammer carrier 20 fixed connection, first connecting piece 1 is fixed with a plurality of elastic sleeve 11 that are used for the cover to wrap up in oil pipe 10, sleeve 11 and first connecting piece 1 are hydrogenation butadiene acrylonitrile rubber material integrated into one piece.

As shown in fig. 2, the sleeves 11 are arranged at intervals, and the sleeves 11 are provided with notches 12 along the length direction of the sleeves, the size of the notches 12 is smaller than the diameter of the oil pipe 10, the oil pipe 10 of the oil pipe 10 enters the sleeves 11 through the notches 12, and the sleeves 11 are elastically expanded and wrap the oil pipe 10 therein.

As shown in fig. 2, the second connecting member 2 is bent to form a plurality of bending portions 21 corresponding to the sleeve 11, the cross section of each bending portion 21 is in a semicircular arc shape, and the inner arc surface of each bending portion 21 is attached to the side wall of the notch 12 of the sleeve 11 to enhance the structural strength of the sleeve 11 and prevent the oil pipe 10 from vibrating and separating from the sleeve 11; the position of second connecting piece 2 that is located between two adjacent flexion 21 establishes to straight portion 22, and a plurality of reinforcing floor 23 of fixedly connected with between the lateral wall that sleeve 11 and straight portion 22 were kept away from to flexion 21, and each reinforcing floor 23 is arranged along sleeve 11 length direction interval, and straight portion 22 is constructed towards the lateral wall protrusion of first connecting piece 1 and is had the counterpoint pole (not marked in the figure), and first connecting piece 1 has seted up the counterpoint hole 13 that supplies the counterpoint pole to insert.

As shown in fig. 2, the fixing member 3 is made of stainless steel, the cross section of the fixing member 3 is "ii" shaped, the fixing member 3 includes two side plates 31 arranged oppositely and a connecting plate 32 connected between the two side plates 31, and one side plate 31 of the fixing member 3 is provided with a threaded hole 33 in threaded fit with the bolt 4; the convex structure of the lateral wall of the first connecting piece 1 far away from the flat portion 22 has a convex strip 14, the convex strip 14 runs through and is provided with a slot 15, the side plate 31 is in plug-in connection with the slot 15, and the inner side surface of the connecting plate 32 is attached to the lateral surface of the convex strip 14.

The implementation principle of the embodiment is as follows: during installation, the oil pipe 10 enters the sleeve 11 through the notch 12, the sleeve 11 is elastically expanded and wraps the oil pipe 10 in the sleeve, the alignment rod and the alignment hole 13 are elastically inserted and embedded to complete the positioning and pre-installation of the first connecting piece 1 and the second connecting piece 2, at the moment, the inner arc surface of the bending part 21 of the second connecting piece 2 is matched with the side wall of the sleeve 11 to seal the notch 12 and reinforce the structural strength of the sleeve 11, so that the oil pipe 10 is prevented from being separated from the sleeve 11 due to vibration, then the bolt 4 is tightened, as shown in fig. 3, the bolt 4 sequentially comprises a straight part 22, the first connecting piece 1 and a threaded hole 33 until the end part of the bolt 4 extends into the inner side of the fixing piece 3, namely the end part of the bolt 4 is pressed against one side of the edge of the opening 30 of the hammer frame 20, and the side plate 31 of the fixing piece 3 is pressed against the other side to form clamping force, so that the edge of the opening 30 of the hammer frame, The second connecting piece 2 and the first connecting piece 1 are fixedly arranged;

the oil pipes 10 are separated by the sleeves 11 arranged at intervals, so that mutual collision of the adjacent oil pipes 10 is avoided, and further the abrasion of the oil pipes 10 is reduced; and through the mounting 3 for sleeve 11 and hammer carrier 20 fixed connection play the effect of connecting oil pipe 10 and hammer carrier 20, can reduce rocking of oil pipe 10 to a certain extent, and then reduce and lead to the condition that oil pipe 10 breaks away from sleeve 11 because of oil pipe 10 rocks, with the steadiness between assurance oil pipe 10 and the sleeve 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an oil pipe securing device for hydraulic hammer which characterized in that: the oil pipe connecting structure comprises a first connecting piece (1), wherein a plurality of elastic sleeves (11) used for sleeving and wrapping an oil pipe (10) are fixed on the first connecting piece (1), the sleeves (11) are arranged at intervals, gaps (12) are formed in the sleeves (11) in the length direction of the sleeves, and the size of each gap (12) is smaller than the diameter of the oil pipe (10); the first connecting piece (1) is provided with a fixing piece (3) fixedly connected with the hammer frame (20).

2. The oil tube stabilizing device for a hydraulic hammer according to claim 1, wherein: the connecting structure is characterized by further comprising a second connecting piece (2), wherein the second connecting piece (2) is arranged in parallel with the first connecting piece (1), a plurality of bending parts (21) arranged corresponding to the sleeves (11) are formed in the second connecting piece (2) in a bending mode, the cross sections of the bending parts (21) are in a semicircular arc shape, and the inner arc surfaces of the bending parts (21) are attached to the side walls of the notches (12) of the sleeves (11); the second connecting piece (2) is in threaded connection with the first connecting piece (1) through a bolt (4).

3. The oil tube stabilizing device for a hydraulic hammer according to claim 2, wherein: the position of second connecting piece (2) between two adjacent flexion (21) is established to straight portion (22), the lateral wall protrusion towards first connecting piece (1) of straight portion (22) is constructed and is counterpointed the pole, confession is seted up in first connecting piece (1) counterpoint hole (13) that the pole of counterpointing inserted and inlays.

4. The oil tube stabilizing device for a hydraulic hammer according to claim 3, wherein: a plurality of reinforcing ribs (23) are fixedly connected between the side wall of the bending portion (21) far away from the sleeve (11) and the side wall of the straight portion (22), and the reinforcing ribs (23) are arranged at intervals along the length direction of the sleeve (11).

5. The oil tube stabilizing device for a hydraulic hammer according to claim 3, wherein: the cross section of the fixing piece (3) is n-shaped, the fixing piece (3) comprises two oppositely arranged side plates (31) and a connecting plate (32) connected between the two side plates (31), and the fixing piece (3) is fixed on the side wall, away from the second connecting piece (2), of the first connecting piece (1); one side plate (31) of the fixing piece (3) is provided with a threaded hole (33) matched with the bolt (4) in a threaded manner, the bolt (4) sequentially penetrates through the straight portion (22), the first connecting piece (1) and the threaded hole (33), and the end portion of the bolt (4) extends into the inner side of the fixing piece (3).

6. The oil tube stabilizing device for a hydraulic hammer according to claim 5, wherein: keep away from first connecting piece (1) the lateral wall protrusion structure of straight portion (22) has sand grip (14), sand grip (14) run through and offer the confession slot (15) of curb plate (31) plug-in connection, the medial surface of connecting plate (32) with the side laminating of sand grip (14).

7. The oil tube stabilizing device for a hydraulic hammer according to claim 5, wherein: the fixing piece (3) is made of stainless steel.

8. The oil tube stabilizing device for a hydraulic hammer according to claim 1, wherein: the sleeve (11) and the first connecting piece (1) are integrally formed by hydrogenated nitrile rubber.