CN210563706U - Stand auxiliary lifting device and crawler-type pile driver - Google Patents
Stand auxiliary lifting device and crawler-type pile driver Download PDFInfo
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- CN210563706U CN210563706U CN201921371526.5U CN201921371526U CN210563706U CN 210563706 U CN210563706 U CN 210563706U CN 201921371526 U CN201921371526 U CN 201921371526U CN 210563706 U CN210563706 U CN 210563706U
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Abstract
The utility model discloses a device has been assisted to stand, it includes: 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 utility model also discloses a crawler-type pile driver who is equipped with device. The utility model discloses a to the synchronous improvement of the method of erectting, device and pile driver structure, realize the optimization to equipment and control the step to enlarge its range of application.
Description
Technical Field
The utility model relates to a crawler pile driver design and construction technical field, concretely relates to supplementary device and crawler pile driver of having erect of stand.
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 the main foundation construction equipment.
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.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, an object of the utility model is to provide a device is helped to rise by stand, its key utilize supplementary mechanism of rising to prop up cooperation head mast prop up the mechanism and do the gesture of rising to the stand support assembly, under through both collaborative forces, alleviate the stability that cylinder power improved speed, stand separately simultaneously, solve the technical problem who proposes in the above-mentioned background art.
The utility model also provides a crawler-type pile driver with this stand is supplementary to be put up device, through the synchronous improvement to putting up method, device, realize the optimization to equipment and control the step, realize simplifying the structure, improve speed and stability to and reduce manufacturing cost's purpose.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a device of having erect is assisted to stand, its characterized in that, it includes:
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 provided with the upright post auxiliary lifting device.
The utility model has the advantages that:
1. the utility model discloses key through the synchronous improvement to the method of erectting and pile driver structure, through setting up supplementary mechanism of erectting, realize the optimization to equipment and control the step. 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. The utility model provides a method of having erect is assisted to stand, on the user state position has been erect completely to stand support assembly, the support frame on the stand support assembly breaks away from in supplementary mechanism of having erect completely, only supports the assembly as the upper segment by the stand and supports the stand support assembly to and stand support assembly rethread basic fulcrum (be stand support frame pivot connection on crawler pile driver platform promptly), and this fulcrum is not the state of having erect or erect the state and all keep connecting always. 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 utility model provides a column auxiliary lifting device, which works cooperatively through two lifting mechanisms, wherein a main column lifting mechanism is used for supporting the upper half part of a column support assembly in a horizontal state and applying thrust when the column support assembly converted from the horizontal state to a vertical state is lifted; 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. The utility model provides a head tree props mechanism, on the stand supported the assembly and erect the user state position completely, head tree props mechanism still can be used to stimulate the stand and supports the assembly and do the slope action to the construction operation to the batter pile has further enlarged crawler-type pile driver operation portion working range.
5. The utility model provides a crawler-type pile driver is equipped with the supplementary device of having erect of stand of unique design, and it is through the synchronous improvement to the method of having erect, device, realizes the optimization to equipment and control the step.
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 is a side view of the crawler pile driver in a set-up state;
FIG. 2 is a rear perspective view of the crawler pile driver of the present invention in an erected state;
FIG. 3 is a front side perspective view of the crawler pile driver of the present invention in an erected state;
FIG. 4 is a side view of a crawler pile driver in a half-set state;
fig. 5 is a horizontal side view of the crawler pile driver of the present invention.
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 belong to the protection scope of the present invention.
Referring to fig. 1 to 5, the column auxiliary lifting apparatus provided in this embodiment includes:
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.
The utility model discloses the supplementary method of having erect of stand of implementing, it includes following step:
(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;
(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 a horizontal state to form a set angle with the crawler pile driver platform 4, wherein the angle interval of the angle is 20 to 35 degrees.
A crawler pile driver provided with the upright post erecting device.
The utility model discloses a design focus lies in:
1. the utility model discloses the key is to carrying out synchronous improvement to method, device and the equipment of rising. 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. The utility model discloses the head tree props up mechanism 1, on the stand supported assembly 3 erected the user state position completely, head tree props up mechanism 1 still can be used to stimulate the stand and supports assembly 3 and do the slope action, further enlarges crawler-type pile driver operation portion working range.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.
Claims (9)
1. The utility model provides a device of having erect is assisted to stand, its characterized in that, it includes:
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.
2. The mast assisted erecting apparatus according to claim 1, 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.
3. The mast assisted erecting apparatus according to claim 1, 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.
4. The mast assisted racking device of claim 3, 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.
5. The mast assisted racking apparatus of claim 1, 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.
6. The mast assisted erection device of claim 5, 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.
7. The mast assisted erecting apparatus according to claim 6, wherein said set distance is 0.6-2 m.
8. The mast assisted erection device of claim 1, wherein the mast support assembly is pushed from a horizontal position to a set angle with the track pile driver platform, the set angle being in the range of 20 to 35 degrees.
9. Crawler pile driver provided with a mast assisted erection device according to one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371526.5U CN210563706U (en) | 2019-08-22 | 2019-08-22 | Stand auxiliary lifting device and crawler-type pile driver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921371526.5U CN210563706U (en) | 2019-08-22 | 2019-08-22 | Stand auxiliary lifting device and crawler-type pile driver |
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| CN210563706U true CN210563706U (en) | 2020-05-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726610A (en) * | 2020-12-21 | 2021-04-30 | 东台康鼎工程机械制造有限公司 | Static pressure pile machine with stirring pile function |
| CN113047666A (en) * | 2021-04-09 | 2021-06-29 | 西安建筑科技大学 | Limiting device is supported in installation of assembled PC wall |
-
2019
- 2019-08-22 CN CN201921371526.5U patent/CN210563706U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112726610A (en) * | 2020-12-21 | 2021-04-30 | 东台康鼎工程机械制造有限公司 | Static pressure pile machine with stirring pile function |
| CN113047666A (en) * | 2021-04-09 | 2021-06-29 | 西安建筑科技大学 | Limiting device is supported in installation of assembled PC wall |
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