CN110939310A - Method and device for assisting in erecting upright column and crawler-type pile driver - Google Patents
Method and device for assisting in erecting upright column and crawler-type pile driver Download PDFInfo
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/34—Arrangements for erecting or lowering towers, masts, poles, chimney stacks, or the like
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Abstract
The invention discloses an auxiliary stand column lifting method of a crawler pile driver, which comprises the steps of firstly utilizing an auxiliary lifting mechanism to lift a stand column support assembly, and pushing the stand column support assembly to a position where the stand column support assembly and a crawler pile driver platform form a set included angle from an original horizontal state under the pushing of an auxiliary lifting push arm bracket; then the main upright post erecting mechanism is used for erecting the rear section of the upright post supporting assembly, and the upright post supporting assembly is completely erected to be in the use state under the synergistic effect of the main upright post erecting mechanism and the upright post supporting assembly. Under the cooperative action of the two components, the power of the oil cylinders is reduced, and the lifting speed and the stability of the upright are improved. The invention also discloses an auxiliary lifting device with the stand column and a crawler-type pile driver adopting the auxiliary lifting device. The invention realizes the optimization of equipment and control steps by synchronously improving the erecting method and device and the pile driver structure, and expands the application range.
Description
Technical Field
The invention relates to the technical field of design and construction of crawler pile drivers, in particular to a method and a device for assisting in erecting a stand column and a crawler pile driver.
Background
At present, pile foundation construction equipment is often used in building construction, and the existing pile foundation construction equipment comprises a rotary drilling rig, a long spiral drilling rig, a hydraulic pile driver, a crawler type pile driver and the like. The crawler pile driver has the advantages of good structural rigidity, multiple functions, convenience in use, wide application range, low cost and the like, so that the crawler pile driver becomes one of the main devices for foundation construction.
In the prior art, chinese patent 201420169143.0 discloses a multifunctional hydraulic crawler type pile driver, which comprises a chassis, a mast, a crawler driving mechanism and a hydraulic hammer, wherein the chassis is provided with a large arm and a luffing cylinder; a rotary table is arranged under the chassis; the large arm and the amplitude cylinder are connected with a tripod; the tripod is connected with the mast; the chassis is provided with a main winch and an auxiliary winch which are respectively provided with a steel wire rope; the top of the mast is provided with a crown block, and a steel wire rope is wound on the crown block and is respectively connected with the hydraulic hammer and the main and auxiliary winches through the steel wire rope; the track driving mechanism is provided with a rotary table support.
The multifunctional hydraulic crawler-type pile driver comprises a large arm, a luffing cylinder and a tripod which are arranged on a chassis, wherein the large arm, the luffing cylinder and the tripod form a front-end operation part capable of supporting the pile driver, and the pile driver operation part is supported by an upper-section supporting point (namely the luffing cylinder) and a lower-section supporting point (namely the large arm and the tripod). The design is a typical lifting scheme at present, and has the following defects that: the hoisting speed is slow, and the defects are as follows: the working range of the pile driver working part is limited, and the pile driver has the following disadvantages: once one of the supporting points is in failure, the balance of the whole operation part is affected. Meanwhile, the requirement on the power of the adopted large arm oil cylinder is high, and the size, the weight and the power consumption of the large arm oil cylinder are large, so that the power consumption of equipment is high and the manufacturing cost is high.
In summary, the technical solutions disclosed at present have not been perfected to solve the technical problems of reducing the power of the erecting cylinder and improving the erecting speed and the erecting stability of the vertical column when the vertical column of the crawler pile driver is erected.
Disclosure of Invention
In view of the above-mentioned drawbacks, the present invention provides a method for assisting the lifting of a column, which focuses on using an auxiliary lifting mechanism to cooperate with a main column lifting mechanism to perform a lifting posture on a column support assembly, and reduces the power of each cylinder and simultaneously improves the lifting speed and the column stability under the cooperative action force of the auxiliary lifting mechanism and the main column lifting mechanism, thereby solving the technical problems in the background art.
The invention also aims to provide the upright post auxiliary lifting device implementing the scheme, which achieves the aims of simplifying the structure, improving the speed and the stability and reducing the manufacturing cost through synchronous improvement on the structure and the lifting method.
The invention also provides a crawler-type pile driver, and optimization of equipment and control steps is realized through synchronous improvement of the erection method and the erection device.
In order to achieve the purpose, the invention adopts the technical scheme that:
an auxiliary upright post erecting method is characterized by comprising the following steps:
(1) arranging a main upright post supporting mechanism of the crawler pile driver, wherein the main upright post supporting mechanism is used for supporting the upper half part of the upright post supporting assembly in a horizontal state and applying thrust when the upright post supporting assembly is erected from the horizontal state to a vertical state, and the main upright post supporting mechanism is connected to the middle part of a platform of the crawler pile driver;
(2) arranging an auxiliary lifting mechanism for supporting the lower half part of the horizontal upright support assembly and applying thrust to the lifting of the upright support assembly converted from the horizontal state to the vertical state, wherein the auxiliary lifting mechanism is connected to the front part of the crawler-type pile driver platform;
(3) when the upright post support assembly in a horizontal state is lifted, the auxiliary lifting mechanism is started, the pushing arm bracket on the mechanism is driven by the acting force of the auxiliary lifting oil cylinder, firstly, the auxiliary lifting pushing arm bracket is changed from a bearing state to be pushed to the upright post support assembly for lifting, and the upright post support assembly is pushed to a position where the upright post support assembly and the crawler type pile driver platform form a set included angle from the original horizontal state under the pushing of the auxiliary lifting pushing arm bracket;
(4) after the upright post supporting assembly is supported to the position with the set included angle, starting the main upright post supporting mechanism, enabling a piston rod connected with the upright post supporting assembly on the mechanism to be driven by the acting force of an upright post inclined strut oil cylinder and an upright post inclined strut oil cylinder, and simultaneously matching with the auxiliary lifting mechanism to further push the piston rod to the upright post supporting assembly to be lifted, enabling the upright post supporting assembly to be completely lifted to the position of a use state under the cooperative acting force of the piston rod and the upright post inclined strut oil cylinder, and preparing for piling even if the upright post supporting assembly is in the vertical state;
(5) when the upright post supporting assembly is completely erected to the vertical position, the main upright post supporting mechanism is further used for pulling the upright post supporting assembly to enable the upright post supporting assembly to perform the tilting action in the left and right directions: the supporting cylinder barrel on the main upright post supporting mechanism is connected to the crawler-type pile driver platform, the piston rod on the upright post inclined strut oil cylinder is connected to the movable supporting seat on the upright post supporting assembly, the piston rod on the upright post inclined strut oil cylinder can simultaneously stretch out and draw back, so that the upright post supporting assembly can tilt forwards or backwards, and the piston rod on the upright post inclined strut oil cylinder of the upright post inclined strut oil cylinder can selectively stretch out and draw back by a single piston rod, so that the upright post supporting assembly can tilt leftwards or rightwards, and the piling construction of the inclined piles can be implemented.
The upright post support assembly is pushed to form a set included angle with the crawler-type pile driver platform from a horizontal state, wherein the set included angle is 20-35 degrees.
An upright post auxiliary lifting device for implementing the method is characterized by comprising:
a main column supporting mechanism for supporting the upper half part of the column support assembly in a horizontal state and applying thrust to the column support assembly converted from the horizontal state to a vertical state during erection, wherein the main column supporting mechanism is connected to the middle part of the crawler-type pile driver platform;
and the auxiliary lifting mechanism is used for supporting the lower half part of the horizontal upright supporting assembly and applying thrust when the upright supporting assembly is lifted from the horizontal state to the vertical state, and is connected to the front part of the crawler-type pile driver platform.
The main upright post supporting mechanism comprises:
the upright post supporting and fixing frame is used for supporting the upper half part of the upright post supporting assembly in a horizontal state and is connected to the middle part of the crawler-type pile driver platform;
the upright post inclined strut oil cylinder is used for pushing the upright post supporting assembly to quickly lift the upright post supporting assembly, and is connected between the upright post supporting fixed frame and a movable supporting seat on the upright post supporting assembly;
the cylinder barrel on the upright post inclined strut oil cylinder is connected to the crawler-type pile driver platform, the piston rod on the upright post inclined strut oil cylinder is connected to the movable supporting seat on the upright post supporting assembly, the piston rod on the upright post inclined strut oil cylinder can stretch out and draw back simultaneously, so that the upright post supporting assembly can tilt forwards or backwards, and the piston rod on the upright post inclined strut oil cylinder can selectively stretch out and draw back by a single piston rod, so that the upright post supporting assembly can tilt leftwards or rightwards.
The auxiliary hoisting mechanism comprises:
the auxiliary lifting pushing arm bracket is used for pushing the stand column support assembly to quickly lift, a rotating shaft at one end of the auxiliary lifting pushing arm bracket is connected to the crawler type pile driver platform, and the other end of the auxiliary lifting pushing arm bracket is connected to an auxiliary lifting oil cylinder;
the auxiliary lifting oil cylinder is used for applying acting force to the auxiliary lifting push arm bracket, so that the auxiliary lifting push arm bracket pushes the stand column support assembly to quickly lift, a cylinder barrel on the auxiliary lifting oil cylinder is connected to the crawler type pile driver platform, and a piston rod on the auxiliary lifting oil cylinder is connected with the auxiliary lifting push arm bracket.
The auxiliary lifting push arm bracket comprises:
the crawler-type pile driver comprises two hook-shaped push arms and a tray connected between the two push arms, wherein the tray is arranged at the tail parts of the push arms, a rotating shaft at the front parts of the push arms is connected to a crawler-type pile driver platform, and the middle parts of the push arms are connected to a piston rod on an auxiliary hoisting oil cylinder.
The stand supports the assembly and includes:
the vertical column supporting frame is used for bearing the vertical column and can enable the vertical column to slide up and down along the vertical column supporting frame, a sliding rail is arranged on one side, in contact with the vertical column, of the vertical column supporting frame, and the vertical column supporting frame is connected to the crawler-type pile driver platform;
the piston rods on the up-down lifting oil cylinders are connected to the movable supporting seat, and the cylinder barrels on the up-down lifting oil cylinders are connected to the upright post supporting frame;
the movable supporting seat is connected to the upright post slide rail in a sliding mode and located behind the upright post, and the movable supporting seat can slide up and down along the upright post slide rail.
The upright post supporting frame is connected to an upright post telescopic arm assembly through a rotating shaft, and the upright post telescopic arm assembly is used for horizontally extending the upright post supporting assembly outwards from the initial position of the crawler type pile driver to a set distance.
A crawler pile driver adopting the upright post auxiliary lifting device.
The invention has the beneficial effects that:
1. the invention focuses on realizing the optimization of equipment and control steps by synchronously improving the erection method and the pile driver structure and arranging the auxiliary erection mechanism. Firstly, an auxiliary hoisting mechanism is utilized to hoist the upright post support assembly, and the upright post support assembly is pushed to a position where the upright post support assembly and a crawler type pile driver platform form a set included angle from an original horizontal state under the pushing of an auxiliary hoisting pushing arm bracket; then the main upright post supporting mechanism is used for carrying out rear end lifting posture on the upright post supporting assembly, and meanwhile, the auxiliary lifting mechanism is matched to further push the upright post supporting assembly to lift, so that the upright post supporting assembly is completely lifted to the position of the use state under the cooperative acting force of the main upright post supporting mechanism and the auxiliary lifting mechanism. Under the cooperative action of the two components, the power of the oil cylinders is reduced, and the lifting speed and the stability of the upright are improved.
2. When the upright post supporting assembly is completely erected to the position of the use state, the supporting frame on the upright post supporting assembly is completely separated from the auxiliary erecting mechanism, the upright post supporting assembly is only used as an upper section support for the upright post supporting assembly, and the upright post supporting assembly is supported through a basic fulcrum (namely, a rotating shaft of the upright post supporting frame is connected to a crawler type pile driver platform), wherein the fulcrum is always kept connected in the non-erecting state or the erecting state. The common support of the lower supporting points (namely the big arm and the tripod) disclosed by the prior document is omitted and solved.
3. The invention provides an upright post auxiliary lifting device, which works cooperatively through two lifting mechanisms, wherein a main upright post lifting mechanism is used for supporting the upper half part of an upright post supporting assembly in a horizontal state and applying thrust when the upright post supporting assembly is converted from the horizontal state to a vertical state; the auxiliary lifting mechanism is used for supporting the lower half part of the upright post supporting assembly in a horizontal state and applying thrust to the upright post supporting assembly converted from the horizontal state to a vertical state during lifting.
4. According to the main upright post supporting mechanism provided by the invention, when the upright post supporting assembly is completely erected to the position of the use state, the main upright post supporting mechanism can also be used for pulling the upright post supporting assembly to perform tilting motion so as to implement construction operation on a tilted pile, and the working range of the working part of the crawler-type pile driver is further expanded.
5. The crawler pile driver provided by the invention is provided with the stand column auxiliary erecting device with a unique design, and the equipment and the control steps are optimized through synchronous improvement on the erecting method and the erecting device.
To more clearly illustrate the structural features and effects of the present invention, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 shows a side view of a crawler pile driver of the present invention in an erected state;
FIG. 2 is a rear perspective view of the invention in an erected condition of a track pile driver;
FIG. 3 is a front side perspective view of the invention in an erect condition of the track pile driver;
FIG. 4 shows a side view of a half-frame of a crawler pile driver of the present invention in a set-up condition;
figure 5 shows a horizontal side view of the crawler pile driver of the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Reference is made to figures 1 to 5 of the accompanying drawings. The method for assisting in erecting the stand column provided by the embodiment comprises the following steps:
(1) arranging a main upright post supporting mechanism 1 of the crawler pile driver, wherein the main upright post supporting mechanism 1 is used for supporting the upper half part of an upright post supporting assembly 3 in a horizontal state and applying thrust when the upright post supporting assembly 3 is erected from the horizontal state to a vertical state, and the main upright post supporting mechanism 1 is connected to the middle part of a platform 4 of the crawler pile driver;
(2) arranging an auxiliary lifting mechanism 2, wherein the auxiliary lifting mechanism 2 is used for supporting the lower half part of the horizontal stand column supporting assembly 3 and applying thrust when lifting the stand column supporting assembly 3 converted from the horizontal state to the vertical state, and the auxiliary lifting mechanism 2 is connected to the front part of a crawler-type pile driver platform 4;
(3) when the horizontal upright post supporting assembly 3 is lifted, the auxiliary lifting mechanism 2 is started firstly, the auxiliary lifting push arm bracket 2.1 on the auxiliary lifting mechanism 2 is driven by the acting force of the auxiliary lifting oil cylinder 2.2, so that the auxiliary lifting push arm bracket 2.2 is changed from a bearing state into a state of being pushed to the upright post supporting assembly 3 for lifting, and the upright post supporting assembly 3 is pushed by the auxiliary lifting push arm bracket 2.1, so that the upright post supporting assembly 3 is pushed to a position where the upright post supporting assembly 3 and the crawler type pile driver platform 4 form a set included angle from an original horizontal state; the included angle is 20-35 degrees;
(4) after the upright post supporting assembly 3 is supported to the position with the set included angle, the main upright post supporting mechanism 1 is started, a piston rod 1.1 connected with the upright post supporting assembly 3 on the main upright post supporting mechanism 1 is driven by the acting force of an upright post inclined strut oil cylinder, and meanwhile, the auxiliary supporting mechanism 2 is matched to further push the upright post supporting assembly 3 to be lifted, the upright post supporting assembly 3 is completely lifted to the position of the use state under the cooperative acting force of the two, and even if the upright post supporting assembly 3 is in the vertical state, piling preparation is well made, and the pile position can be directly aligned to implement piling construction on a straight pile.
(5) Further, when the column support assembly 3 is completely erected to the vertical position, the main column supporting mechanism 1 can be used to pull the column support assembly 3 to tilt, so as to align the position of the inclined pile and to perform piling construction of the inclined pile.
The cylinder barrel 1.2 on the main upright post supporting mechanism 1 is connected to the crawler type pile driver platform 4, the piston rod 1.1 on the upright post inclined support oil cylinder is connected to the movable support base 3.1 on the upright post support assembly 3, the piston rods 1.1 on the upright post inclined support oil cylinder can simultaneously stretch out and draw back, so that the upright post support assembly 3 can tilt forwards or backwards, and the piston rods 1.1 on the upright post inclined support oil cylinder can selectively stretch out and draw back a single piston rod 1.1, so that the upright post support assembly 3 can tilt leftwards or rightwards.
Further, the column support assembly 3 is pushed from the original horizontal state to a set included angle between the column support assembly 3 and the crawler pile driver platform 4, wherein the included angle is 20 to 35 degrees.
A mast assisted erection device for carrying out the method, the device comprising:
the main upright post supporting mechanism 1 is used for supporting the upper half part of an upright post supporting assembly 3 in a horizontal state and applying thrust when the upright post supporting assembly 3 converted from the horizontal state to a vertical state is erected, and the main upright post supporting mechanism 1 is connected to the middle part of a crawler-type pile driver platform;
and the auxiliary lifting mechanism 2 is used for supporting the lower half part of the horizontal upright supporting assembly 3 and applying thrust when the upright supporting assembly 3 is lifted from the horizontal state to the vertical state, and the auxiliary lifting mechanism 2 is connected to the front part of the crawler-type pile driver platform 4.
Further, the main column supporting mechanism 1 includes:
the upright post supporting and fixing frame 1.3 is used for supporting the upper half part of the upright post supporting assembly 3 in a horizontal state, and the upright post supporting and fixing frame 1.3 is connected to the middle part of the crawler-type pile driver platform 4;
the upright post inclined strut oil cylinder is used for pushing the upright post supporting assembly 3 to quickly lift the upright post supporting assembly 3, and is connected between an upright post supporting fixed frame 1.3 and a movable supporting seat on the upright post supporting assembly 3 by 3.1;
the cylinder barrel 1.2 on the stand column diagonal bracing cylinder of the stand column diagonal bracing cylinder is connected on the crawler-type pile driver platform, the piston rod 1.1 on the stand column diagonal bracing cylinder of the stand column diagonal bracing cylinder is connected with the movable support base 3.1 on the stand column support assembly 3, the piston rod 1.1 on the stand column diagonal bracing cylinder of the stand column diagonal bracing cylinder can be stretched out and drawn back simultaneously, make the stand column support assembly 3 do and incline the action forward or backward, and the piston rod 1.1 on the stand column diagonal bracing cylinder of the stand column diagonal bracing cylinder can be selectively single piston rod 1.1 to stretch out and draw back, make the stand column support assembly 3 do and.
Further, the auxiliary lifting mechanism 2 includes:
the auxiliary lifting and pushing arm bracket 2.1 is used for pushing the upright post support assembly 3 to quickly lift, one end of the auxiliary lifting and pushing arm bracket 2.1 is connected to the crawler type pile driver platform 4 through a rotating shaft, and the other end of the auxiliary lifting and pushing arm bracket 2.1 is connected to the auxiliary lifting oil cylinder 2.2;
the auxiliary lifting oil cylinder 2.2 is used for applying acting force to the auxiliary lifting push arm bracket 2.1, so that the auxiliary lifting push arm bracket 2.1 pushes the stand column support assembly 3 to quickly lift, a cylinder barrel on the auxiliary lifting oil cylinder 2.2 is connected to the crawler type pile driver platform 4, and a piston rod on the auxiliary lifting oil cylinder 2.2 is connected with the auxiliary lifting push arm bracket 2.1.
Further, the auxiliary lifting push arm bracket 2.1 includes:
two push arms 2.1.1 that are the hook shape and connect tray 2.1.2 between two push arms 2.1.1, tray 2.1.2 sets up at push arm 2.1.1 afterbody, and the anterior pivot of push arm 2.1.1 is connected on crawler-type pile driver platform 4, and the piston rod on supplementary lift hydro-cylinder 2.2 is connected at push arm 2.1.1 middle part.
Further, the pillar brace assembly 3 includes:
the upright post support frame 3.3 is used for bearing the upright post and can enable the upright post to slide up and down along the upright post support frame 3.3, a slide rail is arranged on one side of the upright post support frame 3.3, which is in contact with the upright post 5, and the upright post support frame 3.3 is connected to the crawler-type pile driver platform 4;
the piston rod on the upper and lower lifting oil cylinders 3.2 is connected to the movable supporting seat 3.1, and the cylinder barrel on the upper and lower lifting oil cylinders 3.2 is connected to the upright post supporting frame 3.3;
the movable supporting seat 3.1 is connected to the slide rail of the upright post 5 in a sliding manner, the movable supporting seat 3.1 is positioned at the back of the upright post 5, and the movable supporting seat 3.1 can slide up and down along the slide rail of the upright post 5.
Further, the upright post support frame is connected to the crawler pile driver platform 4 through a rotating shaft 6.
Further, the upright post supporting frame can be connected to an upright post telescopic arm assembly 6 which is arranged on the crawler pile driver platform 4 through a rotating shaft 6 and used for enabling the upright post supporting assembly 3 to horizontally extend outwards from the initial position of the crawler pile driver for a set distance; the set distance is 0.6-2 m, so that the upright post support assembly 3 can be far away from the initial position of the crawler-type pile driver to reach a far construction working surface for pile driving construction, the application range of the pile driver is expanded, and the pile driving construction can be completed under special construction site conditions, such as river sides, cliffs, terraces, ocean construction ships and other environments.
A crawler pile driver provided with the upright post erecting device.
The design of the invention is characterized in that:
1. the invention focuses on synchronously improving the erecting method, the device and the equipment. Firstly, the auxiliary lifting mechanism 2 is utilized to lift the upright post support assembly 3, and the upright post support assembly 3 is pushed to a position where the upright post support assembly 3 and the crawler-type pile driver platform 4 form a set included angle from an original horizontal state under the pushing of the auxiliary lifting push arm bracket 2.1; then the main upright post supporting mechanism 1 is used for carrying out rear end lifting posture on the upright post supporting assembly 3, and the auxiliary lifting mechanism 2 is matched to further push the upright post supporting assembly 3 to lift, so that the upright post supporting assembly 3 is completely lifted to the position of the use state under the cooperative action force of the main upright post supporting mechanism and the auxiliary lifting mechanism. Under the cooperative action of the two components, the power of the oil cylinders is reduced, and the lifting speed and the stability of the upright are improved.
2. When the upright post supporting assembly 3 is completely erected to the position of the use state, the supporting frame 3.3 on the upright post supporting assembly 3 is completely separated from the auxiliary erecting mechanism 2, only the upright post supporting assembly 1 supports the upright post supporting assembly 3 as an upper section, and the upright post supporting assembly 3 is supported by a basic fulcrum (namely, the rotating shaft 6 of the upright post supporting frame 3.3 is connected to the crawler-type pile driver platform 4), wherein the fulcrum is always connected in the non-erected state or the erected state. The common support of the lower supporting points (namely the big arm and the tripod) disclosed by the prior document is omitted and solved.
3. According to the main upright post supporting mechanism 1, when the upright post supporting assembly 3 is completely erected to the position of the use state, the main upright post supporting mechanism 1 can also be used for pulling the upright post supporting assembly 3 to tilt, and the working range of the working part of the crawler-type pile driver is further expanded.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner. Those skilled in the art can make numerous possible variations and modifications to the present teachings, or modify equivalent embodiments to equivalent variations, without departing from the scope of the present teachings, using the methods and techniques disclosed above. Therefore, all equivalent changes made according to the shape, structure and principle of the present invention without departing from the technical scheme of the present invention shall be covered by the protection scope of the present invention.
Claims (10)
1. An auxiliary upright post erecting method is characterized by comprising the following steps:
(1) arranging a main upright post supporting mechanism of the crawler pile driver, wherein the main upright post supporting mechanism is used for supporting the upper half part of the upright post supporting assembly in a horizontal state and applying thrust when the upright post supporting assembly is erected from the horizontal state to a vertical state, and the main upright post supporting mechanism is connected to the middle part of a platform of the crawler pile driver;
(2) arranging an auxiliary lifting mechanism for supporting the lower half part of the horizontal upright support assembly and applying thrust to the lifting of the upright support assembly converted from the horizontal state to the vertical state, wherein the auxiliary lifting mechanism is connected to the front part of the crawler-type pile driver platform;
(3) when the upright post support assembly in a horizontal state is erected, the auxiliary erecting mechanism is started, a pushing arm bracket on the mechanism is driven by the acting force of an auxiliary erecting oil cylinder, firstly, the auxiliary erecting pushing arm bracket is changed from a bearing state to be pushed to the upright post support assembly to be erected, and the upright post support assembly is pushed to a position forming a set included angle with a crawler type pile driver platform from the horizontal state under the pushing of the auxiliary erecting pushing arm bracket;
(4) after the upright post supporting assembly is supported to the position with the set included angle, the main upright post supporting mechanism is started, a piston rod connected with the upright post supporting assembly on the mechanism is driven by the acting force of an upright post inclined strut oil cylinder and an upright post inclined strut oil cylinder, and meanwhile, the auxiliary supporting mechanism is matched to further push the upright post supporting assembly to be lifted, so that the upright post supporting assembly is completely lifted to the position of a use state under the acting force of the two, and piling preparation is well carried out even if the upright post supporting assembly is in a vertical state.
2. A method of assisting erection of a column according to claim 1, comprising the steps of:
(5) when the upright post supporting assembly is completely erected to the vertical position, the main upright post supporting mechanism is further used for pulling the upright post supporting assembly to enable the upright post supporting assembly to perform the tilting action in the left and right directions: the supporting cylinder barrel on the main upright post supporting mechanism is connected to the crawler-type pile driver platform, the piston rod on the upright post inclined strut oil cylinder is connected to the movable supporting seat on the upright post supporting assembly, the piston rod on the upright post inclined strut oil cylinder can simultaneously stretch out and draw back, so that the upright post supporting assembly can tilt forwards or backwards, and the piston rod on the upright post inclined strut oil cylinder of the upright post inclined strut oil cylinder can selectively stretch out and draw back by a single piston rod, so that the upright post supporting assembly can tilt leftwards or rightwards, and the piling construction of the inclined piles can be implemented.
3. The method of claim 1, wherein the mast support assembly is pushed from a horizontal position to a set angle with the crawler pile driver platform, wherein the set angle is in the range of 20 to 35 degrees.
4. A mast assisted erecting apparatus for carrying out the method of any one of claims 1 to 3, comprising:
a main column supporting mechanism for supporting the upper half part of the column support assembly in a horizontal state and applying thrust to the column support assembly converted from the horizontal state to a vertical state during erection, wherein the main column supporting mechanism is connected to the middle part of the crawler-type pile driver platform;
and the auxiliary lifting mechanism is used for supporting the lower half part of the horizontal upright supporting assembly and applying thrust when the upright supporting assembly is lifted from the horizontal state to the vertical state, and is connected to the front part of the crawler-type pile driver platform.
5. The mast assisted erecting apparatus according to claim 4, wherein said main mast raising mechanism comprises:
the upright post supporting and fixing frame is used for supporting the upper half part of the upright post supporting assembly in a horizontal state and is connected to the middle part of the crawler-type pile driver platform;
the upright post inclined strut oil cylinder is used for pushing the upright post supporting assembly to quickly lift the upright post supporting assembly, and is connected between the upright post supporting fixed frame and a movable supporting seat on the upright post supporting assembly;
the cylinder barrel on the upright post inclined strut oil cylinder is connected to the crawler-type pile driver platform, the piston rod on the upright post inclined strut oil cylinder is connected to the movable supporting seat on the upright post supporting assembly, the piston rod on the upright post inclined strut oil cylinder can stretch out and draw back simultaneously, so that the upright post supporting assembly can tilt forwards or backwards, and the piston rod on the upright post inclined strut oil cylinder can selectively stretch out and draw back by a single piston rod, so that the upright post supporting assembly can tilt leftwards or rightwards.
6. The mast assisted erecting apparatus according to claim 4, wherein said assisted erecting mechanism comprises:
the auxiliary lifting pushing arm bracket is used for pushing the stand column support assembly to quickly lift, a rotating shaft at one end of the auxiliary lifting pushing arm bracket is connected to the crawler type pile driver platform, and the other end of the auxiliary lifting pushing arm bracket is connected to an auxiliary lifting oil cylinder;
the auxiliary lifting oil cylinder is used for applying acting force to the auxiliary lifting push arm bracket, so that the auxiliary lifting push arm bracket pushes the stand column support assembly to quickly lift, a cylinder barrel on the auxiliary lifting oil cylinder is connected to the crawler type pile driver platform, and a piston rod on the auxiliary lifting oil cylinder is connected with the auxiliary lifting push arm bracket.
7. The mast assisted racking device of claim 6, said assisted racking push arm bracket comprising:
the crawler-type pile driver comprises two hook-shaped push arms and a tray connected between the two push arms, wherein the tray is arranged at the tail parts of the push arms, a rotating shaft at the front parts of the push arms is connected to a crawler-type pile driver platform, and the middle parts of the push arms are connected to a piston rod on an auxiliary hoisting oil cylinder.
8. The mast assisted racking apparatus of claim 4, said mast support assembly comprising:
the vertical column supporting frame is used for bearing the vertical column and can enable the vertical column to slide up and down along the vertical column supporting frame, a sliding rail is arranged on one side, in contact with the vertical column, of the vertical column supporting frame, and the vertical column supporting frame is connected to the crawler-type pile driver platform;
the piston rods on the up-down lifting oil cylinders are connected to the movable supporting seat, and the cylinder barrels on the up-down lifting oil cylinders are connected to the upright post supporting frame;
the movable supporting seat is connected to the upright post slide rail in a sliding mode and located behind the upright post, and the movable supporting seat can slide up and down along the upright post slide rail.
9. The mast assisted erection device of claim 8, wherein the mast support frame is connected to a mast telescopic boom assembly by a pivot shaft, the mast telescopic boom assembly being adapted to horizontally extend the mast support assembly a set distance outwardly from an initial position of the crawler pile driver.
10. Crawler pile driver provided with a column assisted erection according to any of claims 4-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910779365.1A CN110939310B (en) | 2019-08-22 | 2019-08-22 | Method and device for assisting in lifting stand column and crawler pile driver |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910779365.1A CN110939310B (en) | 2019-08-22 | 2019-08-22 | Method and device for assisting in lifting stand column and crawler pile driver |
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| CN110939310A true CN110939310A (en) | 2020-03-31 |
| CN110939310B CN110939310B (en) | 2024-10-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709227A (en) * | 2020-12-24 | 2021-04-27 | 恒天九五重工有限公司 | Erecting system of pile driver |
| CN112709226A (en) * | 2020-12-24 | 2021-04-27 | 恒天九五重工有限公司 | Erecting method of pile driver |
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| JP2010174482A (en) * | 2009-01-28 | 2010-08-12 | Daiwa Kiko Kk | Pile driving equipment |
| CN105926619A (en) * | 2016-06-30 | 2016-09-07 | 广东力源液压机械有限公司 | Lifting mechanism for stand column of pile driver |
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| JPH0530294U (en) * | 1991-09-24 | 1993-04-20 | 成和機工株式会社 | Ascending / descending operation mechanism in a drill machine |
| JP2010174482A (en) * | 2009-01-28 | 2010-08-12 | Daiwa Kiko Kk | Pile driving equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112709227A (en) * | 2020-12-24 | 2021-04-27 | 恒天九五重工有限公司 | Erecting system of pile driver |
| CN112709226A (en) * | 2020-12-24 | 2021-04-27 | 恒天九五重工有限公司 | Erecting method of pile driver |
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| Publication number | Publication date |
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| CN110939310B (en) | 2024-10-25 |
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Effective date of registration: 20240904 Address after: 528000 Industrial Zone, Dadu village, Chencun Town, Shunde District, Foshan City, Guangdong Province Applicant after: GUANGDONG LIYUAN HYDRAULIC MACHINERY Co.,Ltd. Country or region after: China Applicant after: Guangdong Sparta Heavy Industry Technology Co.,Ltd. Address before: 528000 Industrial Zone, Dadu village, Chencun Town, Shunde District, Foshan City, Guangdong Province Applicant before: GUANGDONG LIYUAN HYDRAULIC MACHINERY Co.,Ltd. Country or region before: China |
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