CN203559811U - Back rope device with self-adaptive tensioning force - Google Patents
Back rope device with self-adaptive tensioning force Download PDFInfo
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- CN203559811U CN203559811U CN201320556063.6U CN201320556063U CN203559811U CN 203559811 U CN203559811 U CN 203559811U CN 201320556063 U CN201320556063 U CN 201320556063U CN 203559811 U CN203559811 U CN 203559811U
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- hydraulic cylinder
- oil circuit
- rope device
- valve
- tensile force
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Abstract
The utility model discloses a back rope device with a self-adaptive tensioning force. The back rope device is wound on a goose head pulley at one side of the top end of a vertical column, and an operating device is hoisted at the other side of the top end of the column. The back rope device comprises a wire rope. One end of the wire rope is connected with a fixedly arranged first mounting base through a hydraulic cylinder, and the other end bypasses the goose head pulley and is connected with a fixedly arranged second mounting base. A pretightening adjusting oil path of the hydraulic cylinder is communicated with an upward lifting opening of a main hoist oil path of the operating device through a signal oil path. The back rope device provided by the utility model has advantages of: simple structure, convenient detachment, small pretightening force of the back rope device when the operating device is stopped, and no larger additional reverse moment to the upright column. Furthermore through a hydraulic signal of the main hoist oil path which is connected with the operating device, the back rope device has a self-adaptive function for moment change of the vertical column for aiming at the operating device.
Description
Technical field
The utility model relates to the back of the body rope device that a kind of piling machinery is used, and is specifically related to a kind of can automatically adjusting and carries on the back the back of the body rope device of rope tensile force with the moment of flexure of balancing machine equipment column generation.
Background technology
In foundation pile construction, in order to reduce or avoid holing stacks and sleeve pipe midway, the column of piling machinery generally has suitable height, to reach once to connect, bores the object that just can reach required depth of pore forming.Along with the development of stake work basic activity, requirement to stake bore dia and the degree of depth is also more and more higher, the equipment weight and the diameter that match are also larger, be in Fig. 1 equipment gravity G and arm of force L larger, it is also larger that column produces moment M=GxL, this has had higher requirement with regard to column intensity, larger raising the manufacturing cost of column.
Tradition back of the body rope device adopts passive method balance moment of flexure conventionally, by wire rope pretightning force is simply set, when column distortion makes back of the body rope change in length, causes back of the body rope tensile force to change, thus the moment of flexure of balance equipment column.This method cannot effectively solve moment of flexure and cause the problem of column distortion, and its reason is: when pretightning force setting hour, small distortion causes tensile force less, back of the body rope device cannot effectively work; When pretightning force setting is larger, although can to a certain degree improve above-mentioned situation, float and creep into etc. under operating mode, because equipment column moment of flexure is zero, back of the body rope column produces a reverse moment of flexure, cause carrying on the back rope device cannot with actual condition matched well.
Utility model content
The technical problem of the passive equilibrium moment of flexure existing for existing back of the body rope device, the utility model provides a kind of tensile force self adaptation back of the body rope device, this back of the body rope device can with actual condition perfect matching, back of the body rope device tensile force can be realized adaptive change with equipment weight, thereby the moment of flexure of balance equipment column effectively, the greatly stability of raising stake machine.
The utility model adopts following technical scheme to realize: a kind of tensile force self adaptation back of the body rope device, and described back of the body rope device installs around on the gooseneck boom pulley 2 of column 3 top one sides, described column 3 top opposite side lifting equipments 1; Described back of the body rope device comprises wire rope 5, one end of described wire rope 5 is connected with the first mount pad 8 being fixedly installed by hydraulic cylinder 7, the other end is walked around described gooseneck boom pulley 2 and is connected with the second mount pad 9 being fixedly installed, the pretension of described hydraulic cylinder 7 regulate oil circuit and equipment master winch oil circuit 15 on carry mouth and be communicated with by signal oil circuit.
The pretension of described hydraulic cylinder 7 regulates oil circuit to comprise hydraulic pump 10, overflow valve 11 and main reversing valve 12, and wherein hydraulic pump 10 provides oil circuit power, is connected to the hydraulic fluid port at hydraulic cylinder 7 two ends by main reversing valve 12; On the master winch oil circuit 15 of described equipment, carrying mouthful signal oil circuit is communicated with the rod chamber of hydraulic cylinder 7 by electric-controlled switching mechanism or hydraulic control switching device shifter.
Two hydraulic fluid ports of described hydraulic cylinder 7 are provided with equalizing valve 13, and the opening pressure of described equalizing valve 13 is less than the oil pressure relief of overflow valve 11.
Described main reversing valve 12 is solenoid operated directional valve.
Described hydraulic control switching device shifter is shuttle valve 14, and its oil-out is connected to the rod chamber hydraulic fluid port of hydraulic cylinder 7, two select hydraulic fluid port connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit.
Described electric-controlled switching mechanism is electromagnetic switching valve 16.
Described electric-controlled switching mechanism adopts two-bit triplet electromagnetic switching valve, its oil-out is connected to the rod chamber hydraulic fluid port of hydraulic cylinder 7, two oil-ins connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit, and on master winch oil circuit, carry mouthful oil circuit Bonding pressure sensor and be electrically connected with the electromagnet of described two-bit triplet electromagnetic switching valve.
One end of described wire rope 5 and hydraulic cylinder 7 one end are hinged, and described hydraulic cylinder 7 other ends and the first mount pad 8 are hinged; The other end of described wire rope 5 is provided with the collar and the second mount pad 9 is hinged.
Described wire rope 5 is connected with hydraulic cylinder 7 by arm-tie 6, and described arm-tie 6 one end and wire rope 6 are hinged by the collar, and the other end and hydraulic cylinder 7 are hinged.
The beneficial effects of the utility model are: 1. back of the body rope device is simple in structure, easy to loading and unloading; 2, back of the body rope device pretightning force when equipment is stagnated is less, can not produce more additional reverse bending moment by column; 3, back of the body rope device tensile force is by the hydraulic pressure signal of the master winch oil circuit that is connected with equipment, for the variation of the moment of flexure of equipment column, has adaptation function.
Below in conjunction with the drawings and specific embodiments, the utility model is described further.
Accompanying drawing explanation
Fig. 1 is the piling machinery front view of band back of the body rope device.
Fig. 2 is the back of the body rope device schematic diagram (omitting other frame for movement) in Fig. 1 right view.
Fig. 3 is the hydraulic schematic diagram of carrying on the back the Self Adaptive Control of rope device tensile force in embodiment 1.
Fig. 4 is the hydraulic schematic diagram of carrying on the back the Self Adaptive Control of rope device tensile force in embodiment 2.
Number in the figure: 1-equipment, 2-gooseneck boom pulley, 3-column, 4-carries on the back rope device, 5-wire rope, 6-arm-tie, 7-hydraulic cylinder, 8-the first mount pad, 9-the second mount pad, 10-hydraulic pump, 11-overflow valve, 12-main reversing valve, 13-equalizing valve, 14-shuttle valve, 15-master winch oil circuit, 16-electromagnetic switching valve.
The specific embodiment
Embodiment 1
Referring to Fig. 1 and Fig. 2, back of the body rope device 4 installs around on the gooseneck boom pulley 2 of column 3 top one sides, column 3 top opposite side lifting equipments 1; Back of the body rope device 4 comprises wire rope 5, one end of wire rope 5 is connected with the first mount pad 8 being fixedly installed by hydraulic cylinder 7, the other end is walked around gooseneck boom pulley 2 and is connected with the second mount pad 9 being fixedly installed, one end of wire rope 5 and hydraulic cylinder 7 one end are hinged, and hydraulic cylinder 7 other ends and the first mount pad 8 are hinged; The other end of wire rope 5 is provided with the collar and the second mount pad 9 is hinged, and wire rope 5 is connected with hydraulic cylinder 7 by arm-tie 6, and arm-tie 6 one end and wire rope 6 are hinged by the collar, and the other end and hydraulic cylinder 7 are hinged.Wherein, between the piston rod of wire rope 5 and the second mount pad 9, wire rope 5 and arm-tie 6, arm-tie 6 and hydraulic cylinder 7, hydraulic cylinder 7 and the first mount pad 8, all by bearing pin and nut, realize hinged.
In conjunction with referring to Fig. 3, the pretension of hydraulic cylinder 7 regulate oil circuit and equipment master winch oil circuit 15 on carry mouth and be communicated with by signal oil circuit, the pretension of hydraulic cylinder 7 regulates oil circuit to comprise hydraulic pump 10, overflow valve 11 and main reversing valve 12, wherein hydraulic pump 10 provides oil circuit power, is connected to the hydraulic fluid port at hydraulic cylinder 7 two ends by main reversing valve 12; On the master winch oil circuit 15 of equipment, carrying mouthful oil circuit is connected on the pretension regulating loop of hydraulic cylinder 7 by switching device shifter.Two hydraulic fluid ports of hydraulic cylinder 7 are provided with equalizing valve 13, and wherein the opening pressure of equalizing valve is less than the oil pressure relief of overflow valve.Preferably, main reversing valve 12 adopts solenoid operated directional valve.
Switching device shifter adopts hydraulic control or automatically controlled, adopt in the present embodiment shuttle valve 14 as hydraulic control switching device shifter, the oil-out of shuttle valve 14 is connected to the rod chamber hydraulic fluid port of hydraulic cylinder 7, two select hydraulic fluid port connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit.
When back of the body rope device is installed, the Y1 that controls main reversing valve 12 obtains electric, pressure oil enters hydraulic cylinder 7 rodless cavities through main reversing valve 12, equalizing valve 13, by piston rod overhead in highest point, arm-tie 6 and hydraulic cylinder 7 piston rods are linked by bearing pin and nut, the rod chamber of hydraulic cylinder 7 is through equalizing valve 13, main reversing valve 12 drainings.
After back of the body rope device is installed, setting overflow valve 11 is a certain appropriate value, the Y2 of main reversing valve 12 obtains electric, hydraulic pump 10 is exported after fluid overflow through shuttle valve 14, equalizing valve 13 enters the rod chamber of hydraulic cylinder 7, under this pressure-acting, give wire rope 5 one pretightning forces of back of the body rope device, this pretightning force arranges oil pressure relief by overflow valve 11 and determines, for avoiding column to produce extra reverse bending moment, the oil pressure relief that overflow valve 11 arranges is generally less, only guarantee wire rope realize tighten, equalizing valve 13 opening pressures should arrange oil pressure relief lower than overflow valve 11 simultaneously, while guaranteeing pretension, equalizing valve 13 can be opened, the rodless cavity fluid of hydraulic cylinder is through equalizing valve 13, main reversing valve 12 drainings.
During equipment work, main reversing valve 12 is in meta work, master winch oil circuit 15 is connected with equipment 1 by wire rope, when carrying mouth pressure on master winch oil circuit 15 and be zero, in cylinder circuit, oil pressure is pretightning force pressure, back of the body rope remains initial pretightning force, and column reverse bending moment is zero substantially; When carrying on master winch or transferring equipment, by shuttle valve 14 contrasting fluid's cylinder pressure pretensions, regulate the pressure of oil circuit and the pressure of master winch oil circuit to select, by carrying mouthful signal oil on master winch oil circuit 15, introduce hydraulic cylinder 7 rodless cavities, back of the body rope tensile force will increase, and the tensile force of realizing wire rope will be with the adaptive change of equipment column moment of flexure.
Referring to Fig. 4 in conjunction with the embodiments 1, switching device shifter in the present embodiment adopts automatically controlled two-bit triplet electromagnetic switching valve 16, its oil-out is connected to the rod chamber hydraulic fluid port of hydraulic cylinder 7, two oil-ins connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit, and on master winch oil circuit, put forward mouthful oil circuit Bonding pressure sensor (not shown) and be electrically connected with the electromagnet of described two-bit triplet electromagnetic switching valve.
Hydraulic cylinder to wire rope pretension operation constant, during equipment work, when carrying on master winch or transferring equipment, the electromagnet Y3 that setting value that the pressure of carrying on master winch oil circuit mouthful reaches pressure sensor controls electromagnetic switching valve 16 obtains electric, by carrying mouthful signal oil on master winch oil circuit 15, introduce hydraulic cylinder 7 rodless cavities, back of the body rope tensile force will increase, and the tensile force of realizing wire rope will be with the adaptive change of equipment column moment of flexure.
Claims (9)
1. a tensile force self adaptation back of the body rope device, described back of the body rope device installs around at the gooseneck boom pulley (2) of column (3) top one side upper, described column (3) top opposite side lifting equipment (1); It is characterized in that:
Described back of the body rope device comprises wire rope (5), one end of described wire rope (5) is connected with the first mount pad (8) being fixedly installed by hydraulic cylinder (7), the other end is walked around described gooseneck boom pulley (2) and is connected with the second mount pad (9) being fixedly installed, the pretension of described hydraulic cylinder (7) regulate oil circuit and equipment master winch oil circuit (15) on carry mouth and be communicated with by signal oil circuit.
2. a kind of tensile force self adaptation back of the body rope device according to claim 1, it is characterized in that: the pretension of described hydraulic cylinder (7) regulates oil circuit to comprise hydraulic pump (10), overflow valve (11) and main reversing valve (12), wherein hydraulic pump (10) provides oil circuit power, is connected to the hydraulic fluid port at hydraulic cylinder (7) two ends by main reversing valve (12); On the master winch oil circuit (15) of described equipment, carrying mouthful signal oil circuit is communicated with the rod chamber of hydraulic cylinder (7) by electric-controlled switching mechanism or hydraulic control switching device shifter.
3. a kind of tensile force self adaptation back of the body rope device according to claim 2, is characterized in that: two hydraulic fluid ports of described hydraulic cylinder (7) are provided with equalizing valve (13), and the opening pressure of described equalizing valve (13) is less than the oil pressure relief of overflow valve (11).
4. a kind of tensile force self adaptation back of the body rope device according to claim 2, is characterized in that: described main reversing valve (12) is solenoid operated directional valve.
5. according to a kind of tensile force self adaptation back of the body rope device described in claim 2,3 or 4, it is characterized in that: described hydraulic control switching device shifter is shuttle valve (14), its oil-out is connected to the rod chamber hydraulic fluid port of hydraulic cylinder (7), two select hydraulic fluid port connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit.
6. according to a kind of tensile force self adaptation back of the body rope device described in claim 2,3 or 4, it is characterized in that: described electric-controlled switching mechanism is electromagnetic switching valve (16).
7. a kind of tensile force self adaptation back of the body rope device according to claim 6, it is characterized in that: described electric-controlled switching mechanism adopts two-bit triplet electromagnetic switching valve, its oil-out is connected to the rod chamber hydraulic fluid port of hydraulic cylinder (7), two oil-ins connect respectively the actuator port of main reversing valve and master winch oil circuit on carry a mouthful oil circuit, and on master winch oil circuit, carry mouthful oil circuit Bonding pressure sensor and be electrically connected with the electromagnet of described two-bit triplet electromagnetic switching valve.
8. a kind of tensile force self adaptation back of the body rope device according to claim 1, is characterized in that: one end of described wire rope (5) and hydraulic cylinder (7) one end are hinged, and described hydraulic cylinder (7) other end and the first mount pad (8) are hinged; The other end of described wire rope (5) is provided with the collar and the second mount pad (9) is hinged.
9. a kind of tensile force self adaptation back of the body rope device according to claim 8, it is characterized in that: described wire rope (5) is connected with hydraulic cylinder (7) by arm-tie (6), described arm-tie (6) one end and wire rope (6) are hinged by the collar, and the other end and hydraulic cylinder (7) are hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556063.6U CN203559811U (en) | 2013-09-09 | 2013-09-09 | Back rope device with self-adaptive tensioning force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556063.6U CN203559811U (en) | 2013-09-09 | 2013-09-09 | Back rope device with self-adaptive tensioning force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203559811U true CN203559811U (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320556063.6U Expired - Lifetime CN203559811U (en) | 2013-09-09 | 2013-09-09 | Back rope device with self-adaptive tensioning force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203559811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763355A (en) * | 2015-03-23 | 2015-07-08 | 山河智能装备股份有限公司 | Upright moment adaptive balance mechanism |
| CN107916667A (en) * | 2017-11-16 | 2018-04-17 | 恒天九五重工有限公司 | The mounting structure and its hydraulic control system and method for anti-stake machine column deformation |
-
2013
- 2013-09-09 CN CN201320556063.6U patent/CN203559811U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763355A (en) * | 2015-03-23 | 2015-07-08 | 山河智能装备股份有限公司 | Upright moment adaptive balance mechanism |
| CN107916667A (en) * | 2017-11-16 | 2018-04-17 | 恒天九五重工有限公司 | The mounting structure and its hydraulic control system and method for anti-stake machine column deformation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Qinghua Inventor after: Zhu Jianxin Inventor after: Zeng Su Inventor after: Qian Huanyun Inventor after: Bai Yongan Inventor after: Zhu Zhenxin Inventor before: He Qinghua Inventor before: Zhu Jianxin Inventor before: Zeng Su Inventor before: Qian Huanyun Inventor before: Bai Yongan Inventor before: Zhu Zhenxing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: HE QINGHUA ZHU JIANXIN CENG SU QIAN HUANYUN BAI YONGAN ZHU ZHENXING TO: HE QINGHUA ZHU JIANXIN CENG SU QIAN HUANYUN BAI YONGAN ZHU ZHENXIN |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140423 |
|
| CX01 | Expiry of patent term |