CN102953371A - Supporting disc squeezing device - Google Patents
Supporting disc squeezing device Download PDFInfo
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- CN102953371A CN102953371A CN2011102539319A CN201110253931A CN102953371A CN 102953371 A CN102953371 A CN 102953371A CN 2011102539319 A CN2011102539319 A CN 2011102539319A CN 201110253931 A CN201110253931 A CN 201110253931A CN 102953371 A CN102953371 A CN 102953371A
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- squeezed
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- supporting arm
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Abstract
The invention provides a supporting disc squeezing device. The supporting disc squeezing device comprises an extension bar and a squeezing machine head; the extension bar is connected and fixed above the squeezing machine head and is used for being connected with external hoisting equipment; and the squeezing machine head comprises a shell provided with an opening part on the side surface, a squeezing support arm mechanism arranged in the shell and a hydraulic system for driving the squeezing support arm mechanism. The supporting disc squeezing device provided by the invention has the advantages that the rated pressure of the hydraulic system is substantially increased, the construction capacity and construction efficiency of the equipment are improved, a rubber oil pipe is omitted, the potential safety hazard caused by friction and detonation of the oil pipe in the squeezing process and the inconvenience on construction caused by placing the oil pipe in an orifice are avoided, and the structure is simpler, lighter and more convenient.
Description
Technical field
The present invention relates to compacted bearing disk pile infrastructure device technical field, specifically, relate to and a kind of hydraulic system being installed on the squeezed head, thus with the branch extruding-spreading device of the squeezed winding machine integral structure that is shaped.
Background technology
At present, in the constructions such as bridge, railway, civilian construction, often need to utilize at the diverse location in stake hole former extruding or the rotary-cut stake hole soil body on every side, form the dish type enlarged cavity in the pile body side, in the stake hole, form support disk pile behind the perfusion concrete.The squeezed head of the support disk pile former that uses now mostly is cylindric, have two or more squeezed support arms, mechanism is simple, but heavy, its squeezed head and Hydraulic Station are separated, hydraulic oil is transported to by oil pipe in the driving oil cylinder of squeezed head, by with the shaping of bow press mechanism squeezed mechanism extruding or the rotary-cut soil body, forms the branch cavity.But above-mentioned known equipment has certain shortcoming, when carrying out the branch construction, if the stake hole is darker, then can be very long to the oil pipe of the squeezed mechanism that is shaped from the Hydraulic Station on ground, constantly sinking to a hole and in the stake hole, propose along with the squeezed mechanism that is shaped, the above-mentioned oil pipe meeting soil body frequent and the ground soil body and stake hole wall occurs to rub and break, and causes potential safety hazard.In addition, oil pipe is placed on the aperture, also can cause adverse effect to constructing operation, owing to be subjected to the restriction of the specified working pressure of oil pipe, the hydraulic test pressure ratio is lower, is generally less than 30MPa, usually can't be squeezed because of insufficient pressure when the squeezed soil body simultaneously.Therefore, in the past extruding-enlarging branch tray former exist that equipment heaviness, extruding force are little, the oil pipe problems such as easily impaired, construction hidden danger is large.
So, be necessary that disc apparatus is propped up in above-mentioned squeezed shaping exists heavy, defectives such as extruding force is little, squeezing process oil pipe rapid wear to be further improved, to avoid defects.
Summary of the invention
The present invention is in order to solve above-mentioned existing squeezed shaping and to prop up the problem that exists in the disc apparatus and making, and its purpose is to propose a kind of branch extruding-spreading device, solves heavy, the problems such as extruding force is little, squeezing process oil pipe rapid wear of existing equipment.
Branch extruding-spreading device provided by the invention comprises extension bar and squeezed head, and wherein, described extension bar is fastened on the top of described squeezed head, is used for being connected with the crane gear of outside; Squeezed head is included in shell that the side possesses peristome, be located at the squeezed supporting arm mechanism in this shell and drive the hydraulic system of this squeezed supporting arm mechanism.
In addition, preferred structure is upper driving oil cylinder and lower driving oil cylinder that described hydraulic system comprises motor, is subjected to this motor-driven hydraulic pump and drives described squeezed supporting arm mechanism.
In addition, preferred structure is that described motor utilizes direct drive mode that described hydraulic pump is driven.
In addition, preferred structure is, in described shell, possess the upper driving oil cylinder and the lower driving oil cylinder that lay respectively at upside and downside, and connection is arranged on the squeezed supporting arm mechanism between described upper driving oil cylinder and the lower driving oil cylinder, wherein, described squeezed supporting arm mechanism possess be interconnected to can be on 2 of the flexible rhombus of above-below direction squeezed support arm and 2 lower squeezed support arms, the tie point of described 2 upper squeezed support arms connects with the upper piston rod that stretches out from described upper driving oil cylinder, and the tie point of described 2 lower squeezed support arms connects with the lower piston rod that stretches out from described lower driving oil cylinder.
In addition, preferred structure is, is connected by bearing pin between described squeezed supporting arm mechanism and described upper piston rod and the lower piston rod, between the described squeezed support arm of described squeezed supporting arm mechanism and the described lower squeezed arm or hinged.
Branch extruding-spreading device provided by the invention is installed in hydraulic system on the squeezed head, this equipment does not re-use oil pipe in squeezing process, this equipment no longer is subjected to the restriction of oil pipe rated pressure like this, can significantly improve the rated pressure of hydraulic system, improve construction ability and efficiency of construction, the inconvenience of also avoiding oil pipe friction explosion causes in the squeezing process potential safety hazard and oil pipe in the aperture construction to be caused simultaneously.This device structure is more simply light in addition.
Description of drawings
By below in conjunction with accompanying drawing embodiment being described, above-mentioned feature of the present invention and technological merit will become apparent and understand easily.
Fig. 1 is the schematic diagram of the concrete structure of the branch extruding-spreading device that relates to of one embodiment of the present invention.
Among the figure:
A, squeezed head; B, extension bar;
1, shell; 2, cable hoist;
3, cable; 4, motor;
5, hydraulic pump; 6, upper driving oil cylinder;
7, squeezed supporting arm mechanism 8, lower driving oil cylinder.
The specific embodiment
Below, with specific embodiment the present invention is done further detailed description by reference to the accompanying drawings.
In the following description, only the mode by explanation is described some example embodiment of the present invention, undoubtedly, those of ordinary skill in the art can recognize, in situation without departing from the spirit and scope of the present invention, can revise described embodiment with various different modes.Therefore, accompanying drawing and be described in just illustratively in essence rather than is used for the protection domain of restriction claim.In addition, in this manual, identical Reference numeral indicates identical part.
Fig. 1 is the schematic diagram of the branch extruding-spreading device concrete structure of the branch extruding-spreading device that relates to of expression one embodiment of the present invention.As shown in Figure 1, the branch extruding-spreading device of this embodiment comprises the extension bar B that puts in the underground squeezed head A that carries out branch cavity squeezed work, be connected to the top of this squeezed head A, establishes the cable 3 that is used on the ground power supply.At this, extension bar B is connected with ground not shown crane gear, and crane gear drives squeezed head A by extension bar B and carries out lifting along vertical direction.In addition, can also be provided on the ground as required twining the cable hoist 2 of cable 3.
Squeezed head A is arranged on the below of described extension bar B, and it possesses the shell 1 of tubular.In this shell 1, be provided with driving oil cylinder 6 and lower driving oil cylinder 8 in its underpart and connect the squeezed supporting arm mechanism 7 that is arranged between this driving oil cylinder 6 and the lower driving oil cylinder 8.Wherein, this squeezed supporting arm mechanism 7 possess be interconnected to can be on 2 of the flexible rhombus of above-below direction squeezed support arm and 2 lower squeezed support arms, the tie point of these 2 upper squeezed support arms connects with the upper piston rod that stretches out from upper driving oil cylinder 6, and the tie point of these 2 lower squeezed support arms connects with the lower piston rod that stretches out from lower driving oil cylinder 8.And the squeezed work part of this squeezed supporting arm mechanism 7 can be stretched out from the peristome of offering at the established part of this shell 1, in order to implement the squeezed work to surrounding soil.
In addition, the top in this shell 1 is provided with and drives the hydraulic pump 5 that drives oil cylinder 6 and lower driving oil cylinder 8, and is connected and provides the motor 4 of driving force with this hydraulic pump 5.Consist of the hydraulic system of branch extruding-spreading device by this motor 4, hydraulic pump 5, upper driving oil cylinder 6, lower driving oil cylinder 8 and not shown fuel tank and hydraulic valve etc., be used for the squeezed supporting arm mechanism 7 in the shell is driven.
This motor 4 with put in from ground that the cable 3 that comes is connected and from outside acquisition electric power.And motor 4 for example adopts direct drive mode to drive hydraulic pump 5 work, can improve like this power output of branch extruding-spreading device, and the squeezed pressure of hydraulic system is significantly increased, and has strengthened equally the scope of application of this equipment squeezed work.Hydraulic pump has good oil suction effect and can make the hydraulic system compact overall structure.
In addition, preferably, 2 upper squeezed support arms of squeezed supporting arm mechanism 7 and the identical length of 2 lower squeezed support arms are together.Moreover, connect by bearing pin between above-mentioned 2 upper squeezed support arms and the 2 lower squeezed support arms, between upper piston rod and the same squeezed support arm of lower piston rod and the lower squeezed support arm or hinged.At this, 2 upper squeezed arms and 2 lower squeezed arms interconnect respectively and form can be at the flexible rhombus of above-below direction, along with the action of upper driving oil cylinder and lower driving oil cylinder, above-mentioned 2 upper squeezed arms and 2 lower squeezed arms relatively move and change the squeezed angle that is formed by upper squeezed arm and lower squeezed arm.Upper squeezed arm is smaller with the initial expansion angle between the lower squeezed arm, and its initial expansion pressure at this moment will be larger, and the branch extruding-spreading device just can be at the harder stratum operation of soil property like this, thereby has strengthened the scope of application of this equipment squeezed work.
During this branch extruding-spreading device operation, extension bar B links to each other with the crane gear of above ground portion and drives squeezed head A and carries out lifting, motor 4 is connected with cable 3, and ground power supply provides electric power by cable 3 to motor 4, is located at cable hoist 2 on the support on ground according to squeezed degree of depth folding and unfolding cable 3.The electric power that provides is converted into mechanical energy by motor 4, motor 4 drives hydraulic pump 5, mechanical energy is converted into hydraulic fluid pressure by hydraulic pump 5, and upwards drive on oil cylinder 6 and the lower driving oil cylinder 8 hydraulic oil is provided, hydraulic oil promotes upper upper piston rod and the lower piston rod that drives oil cylinder 6 and lower driving oil cylinder 8 and carries out stretching motion, upper piston rod and lower piston rod push respectively squeezed arm and lower squeezed arm and stretch out from the peristome of shell 1, to around the soil body carry out squeezed work.
When upper squeezed arm and lower squeezed arm squeezed during to maximum position, motor 4 counter-rotatings, upper squeezed arm and lower squeezed arm return to initial position, finish once circulation.After finishing a branch chamber, crane gear drives the branch extruding-spreading device to the position that needs squeezed work by extension bar B, carries out next group squeezed work.
Need to prove, the invention provides the branch extruding-spreading device and be applicable to wide range that its extruding force more greatly can the harder stratum of squeezed soil property.
Under above-mentioned instruction of the present invention; those skilled in the art can improve by the allocation position to the hydraulic system inner member on the basis of above-described embodiment; and these improvement; all drop in the protection domain of invention; those skilled in the art should be understood that; above-mentioned specific descriptions are used for just explaining purpose of the present invention better that protection scope of the present invention is limited by claim and equivalent thereof.
Claims (5)
1. a branch extruding-spreading device comprises extension bar and squeezed head, it is characterized in that,
Described extension bar is fastened on the top of described squeezed head, is used for being connected with the crane gear of outside;
Squeezed head is included in shell that the side possesses peristome, be located at the squeezed supporting arm mechanism in this shell and drive the hydraulic system of this squeezed supporting arm mechanism.
2. branch extruding-spreading device according to claim 1 is characterized in that,
Upper driving oil cylinder and lower driving oil cylinder that described hydraulic system comprises motor, is subjected to this motor-driven hydraulic pump and drives described squeezed supporting arm mechanism.
3. according to branch extruding-spreading device claimed in claim 2, it is characterized in that,
Described motor utilizes direct drive mode that described hydraulic pump is driven.
4. branch extruding-spreading device according to claim 2 is characterized in that,
In described shell, possess upper driving oil cylinder and the lower driving oil cylinder that lays respectively at upside and downside and connect the squeezed supporting arm mechanism that is arranged between described driving oil cylinder and the lower driving oil cylinder, wherein, described squeezed supporting arm mechanism possess be interconnected to can be on 2 of the flexible rhombus of above-below direction squeezed support arm and 2 lower squeezed support arms, the tie point of described 2 upper squeezed support arms connects with the upper piston rod that stretches out from described upper driving oil cylinder, and the tie point of described 2 lower squeezed support arms connects with the lower piston rod that stretches out from described lower driving oil cylinder.
5. according to branch extruding-spreading device claimed in claim 3, it is characterized in that,
Be connected by bearing pin between described squeezed supporting arm mechanism and described upper piston rod and the lower piston rod, between the described squeezed support arm of described squeezed supporting arm mechanism and the described lower squeezed arm or hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253931.9A CN102953371B (en) | 2011-08-29 | 2011-08-29 | Supporting disc squeezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253931.9A CN102953371B (en) | 2011-08-29 | 2011-08-29 | Supporting disc squeezing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102953371A true CN102953371A (en) | 2013-03-06 |
| CN102953371B CN102953371B (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110253931.9A Active CN102953371B (en) | 2011-08-29 | 2011-08-29 | Supporting disc squeezing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727310A (en) * | 2015-03-25 | 2015-06-24 | 北京聚力挤扩科技开发有限公司 | Three-branch bi-directional hydraulic squeezing and expanding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381668Y (en) * | 1999-07-15 | 2000-06-07 | 张利 | Borer for bored concrete pile holes |
| CN2424235Y (en) * | 2000-04-18 | 2001-03-21 | 昆明捷程桩工有限责任公司 | Attaching spirally-digging geotome |
| KR20050110099A (en) * | 2004-05-17 | 2005-11-22 | 이엑스티 유한회사 | Variable extension member of pile with an extended head |
| CN102162242A (en) * | 2010-02-21 | 2011-08-24 | 韩顺和 | Rotary squeeze-expansion supporting disk machine |
| CN202214724U (en) * | 2011-08-29 | 2012-05-09 | 中冶交通工程技术有限公司 | Tray enlarging device |
-
2011
- 2011-08-29 CN CN201110253931.9A patent/CN102953371B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381668Y (en) * | 1999-07-15 | 2000-06-07 | 张利 | Borer for bored concrete pile holes |
| CN2424235Y (en) * | 2000-04-18 | 2001-03-21 | 昆明捷程桩工有限责任公司 | Attaching spirally-digging geotome |
| KR20050110099A (en) * | 2004-05-17 | 2005-11-22 | 이엑스티 유한회사 | Variable extension member of pile with an extended head |
| CN102162242A (en) * | 2010-02-21 | 2011-08-24 | 韩顺和 | Rotary squeeze-expansion supporting disk machine |
| CN202214724U (en) * | 2011-08-29 | 2012-05-09 | 中冶交通工程技术有限公司 | Tray enlarging device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727310A (en) * | 2015-03-25 | 2015-06-24 | 北京聚力挤扩科技开发有限公司 | Three-branch bi-directional hydraulic squeezing and expanding machine |
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| Publication number | Publication date |
|---|---|
| CN102953371B (en) | 2015-03-25 |
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Address after: 100085, Beijing, Beijing economic and Technological Development Zone, Kangding street, No. 1, 2, six or seven, Daxing District Patentee after: MCC COMMUNICATION CONSTRUCTION GROUP CO., LTD. Address before: 100176, Daxing District economic and Technological Development Zone, Kangding street, No. 1, 2, six, seven, Patentee before: MCC Communication Engineering Technology Co., Ltd. |