Auxiliary device for pile driver and pile driver

Abstract

The utility model discloses an auxiliary device for a pile driver and the pile driver, and belongs to the technical field of traffic safety facility engineering, the auxiliary device comprises a flexible chain and a U-shaped clamping piece, the first end of the flexible chain is connected to a moving part of a mechanical arm, the second end of the flexible chain is provided with a hook, and the hook is used for hooking an end hole of a stand column; the U-shaped clamping piece is installed on the fixed portion of the mechanical arm, a U-shaped opening of the U-shaped clamping piece is matched with the outer diameter of the stand column, and the center of the U-shaped clamping piece coincides with the moving center of the moving portion. The flexible chain is used for lifting the pile in place, the U-shaped clamping piece is used for correcting the perpendicularity, it can be guaranteed that the stand column is accurately positioned during construction, and the perpendicularity meets the standard and design requirements.

Description

TECHNICAL FIELD

[0001] The utility model relates to traffic safety facilities engineering technical field especially, and it is a kind of auxiliary device and pile driver for piling machine. BACKGROUND

[0002] In the traffic safety facilities engineering of highway engineering, wavelike beam guardrail as the key protective facilities, for guaranteeing driving safety plays a vital role.Its construction process usually includes lofting, column construction, installation guardrail board and installation accessory facilities and so on multiple links.Of which, column construction is the core part in the whole traffic safety facilities engineering, is directly related to the stability and safety of wavelike beam guardrail.

[0003] At present, column construction mainly adopts two ways:one is to pour concrete foundation fixed column, this method is stable, but construction period is long, cost is higher, and is not conducive to environmental protection;Another is to use pile driver to directly drive column into roadbed, this method construction speed is fast, cost is relatively lower, so it has been widely applied in domestic.

[0004] However, the process of driving type construction column still has some obvious defects in actual operation.First, the process of manually lifting column to lofting point is time-consuming and laborious, and due to the error of manual operation, it is difficult to guarantee the accurate position of column.Especially in the case of uneven geology or road shoulder, middle division strip soil is not constructed, column is prone to deviation, which leads to the verticality not meeting the design requirements, so frequent rework is needed, which not only increases the construction cost, but also prolongs the construction period.

[0005] Secondly, workers manually hold column for construction has great safety risk.In the process of driving column by the vibration impact of pile driver, workers need to hold column for a long time, not only physical consumption is large, but also is easily affected by the vibration of pile driver, there are falling, bruising and other safety hazards.

[0006] In addition, the vibration and noise generated by pile driver in construction process also pose a threat to the health of workers.Long-term work in vibration and noise environment, workers are prone to hand-arm vibration disease, noise-induced hearing loss and other occupational diseases, which seriously affects their physical health and quality of life.

[0007] Therefore, in view of these problems existing in the process of existing driving type construction column, it is necessary to improve and optimize it. UTILITY MODEL CONTENT

[0008] The utility model aims at providing a kind of auxiliary device and pile driver for piling machine to solve the problems existing in the prior art, uses flexible chain to lift column in place, uses U-shaped clamp to correct perpendicularity, can ensure that column construction is accurately positioned, and the verticality meets the specification and design requirements.

[0009] To achieve the above object, the utility model provides the following scheme:

[0010] The utility model provides a kind of auxiliary device for pile driver, including flexible chain and U-shaped clamp, the first end of the flexible chain is connected in the moving part of mechanical arm, the second end of the flexible chain is provided with hook, the hook is used to hook the end hole of stand column;The U-shaped clamp is installed in the fixed part of the mechanical arm, the U-shaped opening of the U-shaped clamp is matched with the outer diameter of the stand column, and the center of the U-shaped clamp coincides with the moving center of the moving part.

[0011] In an embodiment, the U-shaped clamp is a U-shaped clamp made of steel plate, and the opening side of the U-shaped opening is provided with a V-shaped opening.

[0012] In an embodiment, it further includes a lengthening piece, the lengthening piece is used to be installed in the fixed part of the mechanical arm, and the U-shaped clamp is connected to the lengthening piece.

[0013] In an embodiment, the lengthening piece is a right triangle block, the first right angle surface of the right triangle block is used to be connected to the fixed part of the mechanical arm, and the second right angle surface of the right triangle block is used to detachably install the U-shaped clamp.

[0014] In an embodiment, the first right angle surface and the second right angle surface are respectively a first rectangular plate and a second rectangular plate, at least one right triangle plate is arranged between the first rectangular plate and the second rectangular plate, and two right angle edges of the right triangle plate are respectively connected to the first rectangular plate and the second rectangular plate.

[0015] In an embodiment, the flexible chain is a metal cross chain, the ring buckle of the first end of the metal cross chain is connected to the moving part of the mechanical arm, and the ring buckle of the second end of the metal cross chain is connected to the hook.

[0016] The utility model also provides a pile driver, which comprises a device main body, a mechanical arm and an auxiliary device for pile driver as described above, the mechanical arm comprises a fixed part and a moving part, the moving part is movably arranged on the fixed part, the moving part is connected with the flexible chain, and the fixed part is provided with the U-shaped clamp.

[0017] In an embodiment, the moving part comprises a hydraulic hammer, and the hammer head of the hydraulic hammer is provided with a clamping groove for clamping the stand column.

[0018] In an embodiment, the fixed part adopts a guide arm, and the first and second hinge structures are connected to the guide arm at intervals, the first hinge structure is connected to the device body, and the second hinge structure is connected to the device body through a first driving cylinder.

[0019] In an embodiment, the linkage structure comprises a first link and a second link connected through a hinge, the first link is connected to the moving part through a hinge, and the second link is connected to the device body through a hinge.

[0020] The utility model discloses relative to prior art has obtained following technical effect:

[0021] The pile driver auxiliary device can quickly lift the pile into position with the mechanical arm of the pile driver and automatically correct the verticality, and only needs manual slight assistance to ensure accurate positioning of the stand column construction and satisfy the verticality specification and design requirements. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0023] Figure 1 It is the pile driver schematic drawing in the embodiment of the utility model;

[0024] Figure 2 It is the moving part lower hanging hook schematic drawing of the mechanical arm in the embodiment of the utility model;

[0025] Figure 3 It is the moving part ascending schematic drawing of the mechanical arm in the embodiment of the utility model;

[0026] Figure 4 It is the stand column embedding U type clamp schematic drawing in the embodiment of the utility model;

[0027] Figure 5 It is the lower impact hammer and unhooking schematic drawing in the embodiment of the utility model;

[0028] Figure 6 It is the pile driver auxiliary device schematic drawing in the embodiment of the utility model;

[0029] Figure 7 The utility model discloses a lengthening piece schematic view for the embodiment of the utility model;

[0030] Among them, 1, equipment main part, 2, mechanical arm, 3, piling machine is with auxiliary device, 4, first hinged structure, 5, second hinged structure, 10, stand column,

[0031] 11, first drive cylinder, 12, second drive cylinder, 13, first rod, 14, second rod,

[0032] 21, moving part, 22, fixed part,

[0033] 31, flexible chain, 311, hook, 32, U type card piece, 321, V type open mouth, 33, lengthening piece, 331, first rectangular plate, 332, second rectangular plate, 333, right triangle plate. DETAILED DESCRIPTION

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0035] The utility model discloses a piling machine is with auxiliary device and piling machine to solve the prior art problem, and the flexible chain is used to pile and is in position, and the U type card piece is used to correct perpendicularity, can ensure that the stand column construction is accurately positioned, and the verticality meets the specification and design requirement.

[0036] In order to make the above purpose, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0037] As Figures 1-7As shown, the utility model provides a kind of auxiliary device for pile driver, including flexible chain 31 and U-shaped clamp 32, the first end of flexible chain 31 is connected in the moving part 21 of mechanical arm 2, the second end of flexible chain 31 is provided with hook 311, and hook 311 is used to hook the end hole of vertical column 10.Moving part 21 can move up and down in vertical direction, on the one hand, hook 311 can be lowered to facilitate the hooking of horizontal placement vertical column 10, on the other hand, hook 311 can be driven to rise and then vertical column 10 is erected.U-shaped clamp 32 is installed in the fixed part 22 of mechanical arm 2, and U-shaped clamp 32 can be connected in fixed part 22 by screw or welding, or can be installed by other structures.The U-shaped opening of U-shaped clamp 32 matches the outer diameter of vertical column 10, where the matching should be understood as: the U-shaped opening can be half-enclosed on the outer diameter side of vertical column 10 (whether vertical column 10 adopts rectangular column or circular column), and the two have small gap or sliding connection, so that vertical column 10 can move up and down under the limitation of U-shaped opening.The center of U-shaped clamp 32 coincides with the moving center of moving part 21, i.e. the U-shaped opening and the impact pile head of moving part 21 are on the same straight line, and form three-point line with ground pile point, to control the verticality of vertical column 10 in the process of driving, so that, under the guidance of U-shaped clamp 32, when moving part 21 impacts vertical column 10, vertical column 10 can be driven into construction site in vertical direction.

[0038] The auxiliary device 3 for pile driver of the utility model can quickly lift pile into position with the aid of the mechanical arm 2 of pile driver, and automatically corrects verticality, so that vertical column 10 can be ensured to be accurately positioned, and the verticality meets the specification and design requirements.

[0039] In an embodiment, as shown, Figure 7 The U-shaped clamp 32 is made of steel plate, and the opening side of the U-shaped opening is provided with a V-shaped opening 321, which facilitates the quick entry of the vertical column 10 into the U-shaped opening when the vertical column 10 is erected, thereby improving the convenience of operation.

[0040] In an embodiment, it further includes a lengthening piece 33, which can be a rectangular block or a triangular block, having two mounting surfaces, one mounting surface for mounting on the fixed part 22 of the mechanical arm 2, and the other mounting surface connected to the U-shaped clamp 32, the two mounting surfaces can be perpendicular to each other or parallel, finally ensuring the accurate position of the U-shaped opening of the U-shaped clamp 32.

[0041] In an embodiment, the lengthening piece 33 adopts a right-angled triangular block, a first right-angled surface (one mounting surface) of the right-angled triangular block is used for being connected to the fixed part 22 of the mechanical arm 2, and a second right-angled surface (another mounting surface) of the right-angled triangular block is used for detachably mounting the U-shaped clamping piece 32. The detachable mode makes the replacement of the U-shaped clamping piece 32 more convenient.

[0042] In an embodiment, as shown in Figure 7 the first right-angled surface adopts a first rectangular plate 331, the second right-angled surface adopts a second rectangular plate 332, and at least one right-angled triangular plate 333 is arranged between the first rectangular plate 331 and the second rectangular plate 332, and two right-angled edges of the right-angled triangular plate 333 are connected to the first rectangular plate 331 and the second rectangular plate 332, respectively. The right-angled triangular block composed of the first rectangular plate 331, the second rectangular plate 332 and the right-angled triangular plate 333 can be connected by welding, and has the advantages of simple manufacturing and stable structure.

[0043] In an embodiment, the flexible chain 31 adopts a metal cross chain, which is formed by a plurality of ring buckles one by one, has high deformation capacity and strength. The ring buckle at a first end of the metal cross chain is connected to the moving part 21 of the mechanical arm 2, for example, connected by U-shaped buckle fastening. The ring buckle at a second end of the metal cross chain is connected to the hook 311, one end of the hook 311 is bent into an arc shape and connected to the ring buckle, and the other end of the hook 311 has a hook capable of being inserted into the end hole of the column 10. The end hole is a pre-set hole of the column 10 when the guard plate is installed later, that is, the end hole is a hole of the column 10 itself, and the column 10 does not need to be additionally treated to be applied to the pile driver auxiliary device 3 of the utility model.

[0044] As shown in Figures 1-7 The utility model also provides a pile driver, which comprises an equipment main body 1, a mechanical arm 2 and the pile driver auxiliary device 3 as recorded in the foregoing, the mechanical arm 2 comprises a fixed part 22 and a moving part 21, the moving part 21 is movably arranged on the fixed part 22, the fixed part 22 mainly plays a guiding role, and the moving part 21 plays a role of impacting the column 10. The moving part 21 is connected with the flexible chain 31, and the fixed part 22 is provided with the U-shaped clamping piece 32. Under the action of the moving part 21, the column 10 is erected by the flexible chain 31, and the vertical state of the column 10 is limited by the U-shaped clamping piece 32. Overall, the pile driver can realize the rapid and accurate positioning of the column 10 with less manual participation.

[0045] In an embodiment, the moving part 21 comprises a hydraulic hammer, a hammer head protrusion of the hydraulic hammer is provided with a clamping groove clamping the column 10, after the column 10 is erected by the flexible chain 31, the column body of the column 10 is clamped into the U-shaped opening of the U-shaped clamping piece 32, the top end of the column 10 is clamped in the hammer head protrusion, and the bottom end of the column 10 abuts against the pile point on the ground, forming a three-point linear constraint, so that the vertical state of the column 10 can be maintained during the entire piling process of the column 10.

[0046] In an embodiment, the first hinge structure 4 and the second hinge structure 5 are further included, the fixed part 22 adopts a guide arm, the first hinge structure 4 and the second hinge structure 5 are connected to the guide arm at intervals, the first hinge structure 4 is connected to the equipment body 1, and the second hinge structure 5 is connected to the equipment body 1 through the first driving cylinder 11. Under the action of the first driving cylinder 11, the vertical state of the guide arm can be changed or adjusted, so that the column 10 can be vertically entered or entered into the pile point with an inclination angle according to needs. In addition, the setting of the deflectable angle of the guide arm can also reduce the overall height during transportation, facilitating the movement of the vehicle.

[0047] In an embodiment, the connecting rod structure and the second driving cylinder 12 are further included, the connecting rod structure comprises a first rod 13 and a second rod 14 connected through a hinge, the first rod 13 is connected to the moving part 21 through a hinge, the second rod 14 is connected to the equipment body 1 through a hinge, and the first rod 13 is connected to the equipment body 1 through the second driving cylinder 12. Under the action of the second driving cylinder 12, the first rod 13 can drive the moving part 21 to slide on the fixed part 22, so that the hydraulic hammer of the moving part 21 can always act on the column 10 as the height of the column 10 gradually decreases.

[0048] As shown in FIG. 2, the working process of the pile driver is as follows: Figures 2-5

[0049] The pile driver is in place, the moving part 21 of the mechanical arm 2 is first lowered until the hook 311 is sufficient to hook the end hole of the column 10, the column 10 is manually hung on the hook 311, the moving part 21 of the mechanical arm 2 is raised, at this time, the column 10 naturally droops, the column 10 is manually pushed to be embedded in the U-shaped clamping piece 32, the moving part 21 is lowered, that is, the hydraulic hammer is lowered, the hammer head protrusion of the hydraulic hammer clamps the top end of the column 10, the hook 311 is removed, the impact driving operation is started, and the designed elevation is reached.

[0050] ​The auxiliary device 3 and the pile driver provided by the utility model can quickly lift the pile into position and automatically correct the verticality, compared with the common pile driver, the waveform beam guardrail stand 10 construction positioning can be more accurately controlled, the verticality meets the specification and design requirements, in addition, the vibration and noise of the pile driver can effectively avoid the arm vibration disease, noise-induced hearing loss and other occupational hazards of the workers. With the common pile driver, three workers are needed, and the average 800m of the stand 10 construction is completed per shift, after the utility model is applied, two workers are needed, and the average 1400m of the stand 10 construction is completed per shift, the efficiency can be improved by 1.75 times. The total length of the inserted waveform beam guardrail stand 10 of a certain implementation project is 52928m, the pile drivers of the utility model are simultaneously operated, the construction period is 20 days, the progress is 13 days ahead of schedule, and 80,000 yuan of cost is saved.

[0051] The principle and implementation mode of the utility model are described by using specific examples, and the above examples are only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. An auxiliary device for a pile driver, characterized in that The flexible chain has a first end connected to a moving part of the mechanical arm and a second end provided with a hook for hooking an end hole of a column. The U-shaped clamping piece is installed on a fixed part of the mechanical arm, a U-shaped opening of the U-shaped clamping piece matches an outer diameter of the column, and a center of the U-shaped clamping piece coincides with a moving center of the moving part. The U-shaped clamping piece is made of a steel plate, and a V-shaped opening side of the U-shaped opening is provided with a V-shaped opening.

2. A device according to claim 1, c h a r a c t e r i s e d in that: The lengthening piece is installed on the fixed part of the mechanical arm, and the U-shaped clamping piece is connected to the lengthening piece.

3. The pile driver accessory of claim 1, wherein: The lengthening piece is a right-angled triangular block, a first right-angled surface of the right-angled triangular block is used for connecting to the fixed part of the mechanical arm, and a second right-angled surface of the right-angled triangular block is used for detachably installing the U-shaped clamping piece.

4. A pile driving apparatus according to claim 3, wherein: The first right-angled surface and the second right-angled surface are respectively a first rectangular plate and a second rectangular plate, and at least one right-angled triangular plate is arranged between the first rectangular plate and the second rectangular plate, and two right-angled edges of the right-angled triangular plate are respectively connected to the first rectangular plate and the second rectangular plate.

5. A device according to claim 4, characterised in that: The flexible chain is a metal cross chain, a ring buckle at a first end of the metal cross chain is connected to the moving part of the mechanical arm, and a ring buckle at a second end of the metal cross chain is connected to the hook.

6. The pile driver accessory of claim 1, wherein: The device body; 7. A pile driver, characterized in that The mechanical arm includes a fixed part and a moving part, and the moving part is movably arranged on the fixed part; The auxiliary device for a pile driver includes the flexible chain connected to the moving part and the U-shaped clamping piece arranged on the fixed part. The moving part includes a hydraulic hammer, and a hammer head protrusion of the hydraulic hammer has a clamping groove for clamping the column. The fixed part is a guide arm, the first hinge structure and the second hinge structure are connected to the guide arm at intervals, the first hinge structure is connected to the device body, and the second hinge structure is connected to the device body through a first driving cylinder.

8. A pile driver according to claim 7, characterised in that: The connecting rod structure includes a first rod and a second rod hingedly connected, the first rod is hingedly connected to the moving part, the second rod is hingedly connected to the device body, and the first rod is hingedly connected to the device body through the second driving cylinder.

9. The pile driver of claim 7, wherein: ​ 10. The pile driver of claim 7, wherein: ​

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