CN202944955U - Tensioning-releasing mechanism for long line degree flexible body - Google Patents
Tensioning-releasing mechanism for long line degree flexible body Download PDFInfo
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- CN202944955U CN202944955U CN 201220629114 CN201220629114U CN202944955U CN 202944955 U CN202944955 U CN 202944955U CN 201220629114 CN201220629114 CN 201220629114 CN 201220629114 U CN201220629114 U CN 201220629114U CN 202944955 U CN202944955 U CN 202944955U
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- leading screw
- case shell
- body case
- piston rod
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Abstract
A tensioning-releasing mechanism for a long line degree flexible body comprises a motive power main body and a capstan. The long line degree flexible body is wound on the capstan. The tensioning-releasing mechanism further comprises a coupler and a gearbox. The motive power main body comprises a main body box shell, a fluid energy accumulator, a drive oil cylinder and a screw rod. Both the fluid energy accumulator and the drive oil cylinder are arranged in the main body box shell. The drive oil cylinder and the main body box shell are mutually fixed. A drive piston rod is arranged in the drive oil cylinder, and a medium cavity is formed between the drive piston rod and the drive oil cylinder. The fluid energy accumulator is communicated with the medium cavity through an oil pipe, the drive piston rod is connected with the screw rod which rotates through up-and-down motion of the drive piston rod, the output end of the screw rod is connected with the gearbox through the coupler, and a central shaft of the capstan is fixedly connected with an output shaft of the gearbox. The tensioning-releasing mechanism for the long line degree flexible body is small in size, light in weight, low in cost, compact in structure, and stable and reliable in tensioning and releasing processes.
Description
Technical field
The utility model relates to a kind of tensioning jack, relates to specifically a kind of tensioning retractable mechanism of growing the dimension flexible body.
Background technology
At present, in the Infrastructure work progress of subway, bridge etc., often use subterranean continuous wall hydraulic grab equipment (abbreviation hydraulic grab) excavation geosyncline.As one of core component of hydraulic grab equipment, the power sebific duct tension force retractable mechanism of grab bucket gripper cylinder, frequency of utilization is high, and need to lifting, the landing driver train cooperation of grab bucket.At present, there are two kinds of versions in commonly used power sebific duct retractable mechanism, and a kind of is the reel driver train that adopts huge spring traction reel, and another kind is the booster reel mechanism that adopts fluid motor-driven.The towed booster reel mechanism structure of spring is huge, and transportation inconvenience is used inconvenience and made difficulty; Fluid motor-driven reel driver train needs the accurate hydraulic efficiency pressure system of controlling, and complex structure is higher to technological requirement, cost is high, and system is unstable, and energy consumption is higher.
The utility model content
The purpose of this utility model is to provide a kind of tensioning jack for long dimension flexible body, and its volume is little, lightweight, cost is low, compact conformation, and tensioning, folding and unfolding process stabilization are reliable.
to achieve these goals, technical solution of the present utility model is: a kind of tensioning jack for long dimension flexible body, comprise power subject and capstan winch, long dimension flexible body is on capstan winch, also comprise coupler and change speed gear box, described power subject comprises the main body case shell, fluidic accumulator, drive oil cylinder and leading screw, fluidic accumulator and driving oil cylinder all are arranged in the main body case shell, driving oil cylinder and main body case shell interfixes, drive in oil cylinder and be provided with piston rod, form dielectric cavity between piston rod and driving oil cylinder, be connected by oil pipe between fluidic accumulator and dielectric cavity, piston rod is connected with leading screw, and by the piston rod up-and-down movement, leading screw is rotated, the mouth of leading screw connects change speed gear box by coupler, the center shaft of capstan winch and the output shaft of change speed gear box are fixedly connected.
the utility model is used for the tensioning jack of long dimension flexible body, wherein, described driving oil cylinder is the hollow Multi-stage cylinder, the hollow Multi-stage cylinder comprises coaxial setting, the outer cylinder of integrally formed type, inner cylinder tube, in, be provided with successively from outside to inside one-level outer piston bar between outer cylinder, second piston rod and one-level inner piston rod, second piston rod is piston rod, the cross section of above-mentioned each piston rod is ring-type, and between adjacent two-piston bar, be equipped with sealing arrangement between one-level outer piston bar and outer cylinder and between one-level inner piston rod and inner cylinder tube, the length of second piston rod is greater than the length of hollow Multi-stage cylinder, two utmost point piston rods stretch out that an end of hollow Multi-stage cylinder is one-body molded a flange, the internal diameter of the diameter of flange and main body case shell is complementary, be provided with tangential inhibiting device between flange and main body case shell, flange can only be moved vertically relative to the main body case shell, the center of flange is provided with the mounting hole that passes for leading screw, be fixed with the screw that matches with leading screw in this mounting hole, the leading screw lower end is mouth, leading screw is located in inner cylinder tube and stretch out outside the top board of main body case shell the leading screw upper end, the leading screw lower end is passed the screw in mounting hole on flange and is stretched out outside the base plate of main body case shell, be provided with lower axial between the base plate of leading screw lower end and main body case shell, tangential inhibiting device, be provided with between the top board of leading screw upper end and main body case shell axially, tangential inhibiting device.
The utility model is used for the tensioning jack of long dimension flexible body, wherein, described tangential inhibiting device comprises the left and right position-limited trough on the left and right sidewall that is arranged at respectively described main body case shell and is arranged at respectively the interior left and right limiting stopper of left and right position-limited trough, described left and right position-limited trough all extends along the length direction of described main body case shell, described left and right limiting stopper can slide along the length direction of described left and right position-limited trough respectively, and left and right limiting stopper all fixes with described flange.
The utility model is used for the tensioning jack of long dimension flexible body, wherein, described lower axial, tangential inhibiting device comprises spacing ring, spacing ring is located at position corresponding with described leading screw on the base plate of described main body case shell, described spacing ring inwall is provided with the annular boss that radially protrudes, the position cover that is connected with main body case shell base plate on described leading screw has bearing, described bearing to be positioned at described spacing ring and leans with spacing ring inwall and annular boss.
The utility model is used for the tensioning jack of long dimension flexible body, wherein, described axial, tangential inhibiting device comprises positive stop lug boss, described positive stop lug boss is fixed in the position corresponding with leading screw on the top board of described main body case shell, be provided with storage tank in positive stop lug boss, leading screw upper end cover has bearing, and bearing is positioned at storage tank, and bearing and storage tank inwall mutually against.
The utility model is used for the tensioning jack of long dimension flexible body, drive oil cylinder as power subject owing to adopting, therefore volume is little, lightweight, cost is low, compact conformation, High power output, compatible with environment are strong, because fluidic accumulator pressure is adjustable, realization is coiled, tension force and the long dimension flexible body Gravity Matching of emitting in the sale at reduced prices process, makes tensioning, folding and unfolding process stabilization reliable.
In addition, drive oil cylinder and adopt the hollow Multi-stage cylinder, tension force reduces gradually in coiling process, and in the sale at reduced prices process, tension force increases gradually; Because energy storage has reclaimed the operating potential energy of hydraulic grab equipment, reduce the consumption of power of equipment, reduce environmental pollution, and applicable to reel, the sale at reduced prices of the isometric dimension flexible body of pipeline, cable, rope of plurality of devices.
Description of drawings
Fig. 1 is the front view of the tensioning jack of the long dimension flexible body of the utility model;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Illustrate the tensioning jack of the long dimension flexible body of the utility model below in conjunction with accompanying drawing.
The specific embodiment
As shown in Figure 1, 2, the utility model comprises power subject 1, coupler 2, change speed gear box 3, capstan winch 4 for the tensioning jack of long dimension flexible body.
wherein, power subject 1 comprises main body case shell 11, fluidic accumulator 12, hollow Multi-stage cylinder 13, leading screw 14, fluidic accumulator 12 and hollow Multi-stage cylinder 13 all are arranged in main body case shell 11, and hollow Multi-stage cylinder 13 interfixes by a plurality of screws and main body case shell 11, and hollow Multi-stage cylinder 13 comprises coaxial setting, integrated outer cylinder 132, inner cylinder tube 133, in, outer cylinder 133, be provided with successively from outside to inside one-level outer piston bar 134 between 132, second piston rod 136 and one-level inner piston rod 135, the cross section of above-mentioned each piston rod is ring-type, and between adjacent two-piston bar, be equipped with seal ring, one-level outer piston bar 134 between one-level outer piston bar 134 and outer cylinder 133 and between one-level inner piston rod 135 and inner cylinder tube 132, form dielectric cavity 131 between one-level inner piston rod 135 and second piston rod 136 tops and hollow Multi-stage cylinder 13, be connected by oil pipe 121 between the dielectric cavity 131 of fluidic accumulator 12 and hollow Multi-stage cylinder 13, the length of second piston rod 136 is greater than the length of hollow Multi-stage cylinder 13, two utmost point piston rods 136 stretch out that an end of hollow Multi-stage cylinder 13 is one-body molded a flange 137, the internal diameter of the diameter of flange 137 and main body case shell 11 is complementary, and is respectively equipped with a left side on the left and right sidewall of main body case shell 11, right limit groove 111, 112, a left side, right limit groove 111, 112 all extend along the length direction of main body case shell 11, a left side, right limit groove 111, be respectively equipped with a left side in 112, right limit piece 113, 114, a left side, right limit piece 113, 114 can be along a left side, right limit groove 111, 112 length direction slides, and left, right limit piece 113, 114 and flange 137 between be fixedly connected by screw respectively, a left side, right limit groove 111, 112 and left, right limit piece 113, 114 limit flange 137 can only move vertically relative to main body case shell 11, can't tangentially rotate, the center of flange 137 is provided with the mounting hole that passes for leading screw 14, be provided with screw 138 in this mounting hole, interfix by screw between screw 138 and flange 137, leading screw 14 lower ends are mouth, leading screw 14 is located in inner cylinder tube 133 and stretch out outside the top board of main body case shell 11 leading screw 14 upper ends, leading screw 14 lower ends are passed the screw 138 in mounting hole on flange 137 and are stretched out outside the base plate of main body case shell 11, position corresponding with leading screw 14 on the base plate of main body case shell 11 is fixed with spacing ring 115, spacing ring 115 inwalls are provided with annular boss, the position cover that is connected with main body case shell 11 base plates on leading screw 14 has bearing, described bearing is positioned at spacing ring 115 and leans with spacing ring 115 inwalls and annular boss, described bearing, spacing ring 115 forms lower axial, tangential inhibiting device, prevent that leading screw 14 from producing axial motion and axis beat, position corresponding with leading screw 14 on the top board of main body case shell 11 is fixed with positive stop lug boss 116, be provided with storage tank 110 in positive stop lug boss 116, leading screw 14 end covers have bearing 141, bearing 141 is positioned at storage tank 110, and bearing 141 and storage tank 110 inwalls mutually against, bearing 141 forms axially upper with positive stop lug boss 116, tangential inhibiting device, prevent that leading screw 14 from producing axial motion and axis beat, the mouth of leading screw 14 is connected with change speed gear box 3 by coupler 2, and the center shaft of capstan winch 4 is fixed on the output shaft 31 of change speed gear box 3, long dimension flexible body 5 is on capstan winch 4, and change speed gear box 3 can be selected size according to demand, number of steps of speeds, transmitting ratio, the relative position of input and output shaft and installation form etc.
Wherein hollow Multi-stage cylinder 13 can design the sectional area of cylinders at different levels according to the requirement of output tension force, also can change stroke and the progression of cylinders at different levels according to user demand, and its mechanism can be the hollow multilevel hierarchy, can be also other common driving oil cylinders; Screw mandrel can be put in and drive in oil cylinder, also can be placed on to drive outside oil cylinder; Leading screw can be one, also can be many.
The tensioning jack working process of the long dimension flexible body of the utility model is as follows:
the sale at reduced prices process: long dimension flexible body 5 is under gravity or other power drivens, produce the sale at reduced prices motion, driving capstan winch 4 rotates, capstan winch 4 drives the output shaft 31 of change speed gear box 3, pass through the inner transmission device of change speed gear box 3 with torque and rotatablely move and pass on the input shaft of change speed gear box 3, drive leading screw 14 rotations through coupler 2, leading screw 14 is connected with screw 138 use screw thread pairs, thereby rotatablely moving of leading screw 14 converts the straight-line motion of screw 138 to, screw 138 drives two utmost point piston rods 136 and retracts, to fluidic accumulator 12 accumulation of energys, owing to having pressure and sale at reduced prices course pressure to raise gradually in fluidic accumulator, it is large that the classification of hollow Multi-stage cylinder active area becomes, thereby realized that sale at reduced prices tension force increases gradually.
Reel process: emit other propulsive efforts on the termination when making long dimension flexible body 5 to capstan winch 4 directions motion when what act on long dimension flexible body 5, pressure-driven two utmost point piston rods 136 that are stored in fluidic accumulator 12 stretch out, driving screw 138 produces and the above-mentioned rightabout straight-line motion of process of coiling, leading screw 14 produces and rotatablely moves, by coupler 2, drive the input shaft rotation of change speed gear box 3, through transmission device driver output axle 31 rotations in change speed gear box, thereby drive the capstan winch generation and coil action, long dimension flexible body 5 is twisted on capstan winch.Set suitable initial pressure for fluidic accumulator 12, can make long dimension flexible body be in all the time tensioning state.In this process, owing to having pressure and pressure to reduce gradually in fluidic accumulator, the classification of hollow Multi-stage cylinder active area diminishes, and reduces gradually thereby realized coiling tension force.
The operation that moves in circles of above-mentioned sale at reduced prices, reel process.
The above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering staff in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (5)
1. tensioning jack that is used for long dimension flexible body, comprise power subject (1) and capstan winch (4), long dimension flexible body (5) is on capstan winch (4), it is characterized in that: also comprise coupler (2) and change speed gear box (3), described power subject (1) comprises main body case shell (11), fluidic accumulator (12), drive oil cylinder (13) and leading screw (14), fluidic accumulator (12) and driving oil cylinder (13) all are arranged in main body case shell (11), driving oil cylinder (13) interfixes with main body case shell (11), drive in oil cylinder (13) and be provided with piston rod, form dielectric cavity (131) between piston rod and driving oil cylinder (13), be connected by oil pipe (121) between fluidic accumulator (12) and dielectric cavity (131), piston rod is connected with leading screw (14), and by the piston rod up-and-down movement, leading screw (14) is rotated, the mouth of leading screw (14) connects change speed gear box (3) by coupler (2), the output shaft (31) of the center shaft of capstan winch (4) and change speed gear box (3) is fixedly connected.
2. the tensioning jack for long dimension flexible body as claimed in claim 1, it is characterized in that: described driving oil cylinder (13) is the hollow Multi-stage cylinder, the hollow Multi-stage cylinder comprises coaxial setting, the outer cylinder of integrally formed type (132), inner cylinder tube (133), in, outer cylinder (133, 132) be provided with successively from outside to inside one-level outer piston bar (134) between, second piston rod (136) and one-level inner piston rod (135), second piston rod (136) is piston rod, the cross section of above-mentioned each piston rod is ring-type, and between adjacent two-piston bar, be equipped with sealing arrangement between one-level outer piston bar (134) and outer cylinder (133) and between one-level inner piston rod (135) and inner cylinder tube (132), the length of second piston rod (136) is greater than the length of hollow Multi-stage cylinder (13), two utmost point piston rods (136) stretch out that an end of hollow Multi-stage cylinder (13) is one-body molded a flange (137), the internal diameter of the diameter of flange (137) and main body case shell (11) is complementary, be provided with tangential inhibiting device between flange (137) and main body case shell (11), flange (137) can only be moved vertically relative to main body case shell (11), the center of flange (137) is provided with the mounting hole that passes for leading screw (14), be fixed with the screw (138) that matches with leading screw (14) in this mounting hole, leading screw (14) lower end is mouth, leading screw (14) is located in inner cylinder tube (133) and stretch out outside the top board of main body case shell (11) leading screw (14) upper end, leading screw (14) lower end is passed the screw (138) in the upper mounting hole of flange (137) and is stretched out outside the base plate of main body case shell (11), be provided with lower axial between the base plate of leading screw (14) lower end and main body case shell (11), tangential inhibiting device, be provided with between the top board of leading screw (14) upper end and main body case shell (11) axially, tangential inhibiting device.
3. the tensioning jack for long dimension flexible body as claimed in claim 2, it is characterized in that: described tangential inhibiting device comprises a left side that is arranged at respectively described main body case shell (11), a left side on right side wall, right limit groove (111, 112) and respectively be arranged at a left side, right limit groove (111, 112) left side in, right limit piece (113, 114), a described left side, right limit groove (111, 112) all extend along the length direction of described main body case shell (11), a described left side, right limit piece (113, 114) respectively can be along a described left side, right limit groove (111, 112) length direction slides, and left, right limit piece (113, 114) all fix with described flange (137).
4. the tensioning jack for long dimension flexible body as claimed in claim 3, it is characterized in that: described lower axial, tangential inhibiting device comprises spacing ring (115), spacing ring (115) is located at position corresponding with described leading screw (14) on the base plate of described main body case shell (11), described spacing ring (115) inwall is provided with the annular boss that radially protrudes, the upper position cover that is connected with main body case shell (11) base plate of described leading screw (14) has bearing, described bearing is positioned at described spacing ring (115) and leans with spacing ring (115) inwall and annular boss.
5. the tensioning jack for long dimension flexible body as claimed in claim 4, it is characterized in that: described axial, tangential inhibiting device comprises positive stop lug boss (116), described positive stop lug boss (116) is fixed in position corresponding with leading screw (14) on the top board of described main body case shell (11), be provided with storage tank (110) in positive stop lug boss (116), leading screw (14) upper end cover has bearing (141), bearing (141) is positioned at storage tank (110), and bearing (141) and storage tank (110) inwall mutually against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629114 CN202944955U (en) | 2012-11-23 | 2012-11-23 | Tensioning-releasing mechanism for long line degree flexible body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220629114 CN202944955U (en) | 2012-11-23 | 2012-11-23 | Tensioning-releasing mechanism for long line degree flexible body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202944955U true CN202944955U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220629114 Withdrawn - After Issue CN202944955U (en) | 2012-11-23 | 2012-11-23 | Tensioning-releasing mechanism for long line degree flexible body |
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| Country | Link |
|---|---|
| CN (1) | CN202944955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963777A (en) * | 2012-11-23 | 2013-03-13 | 北京捷诚创新科技有限公司 | Tension retraction mechanism for long linear flexible body |
-
2012
- 2012-11-23 CN CN 201220629114 patent/CN202944955U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102963777A (en) * | 2012-11-23 | 2013-03-13 | 北京捷诚创新科技有限公司 | Tension retraction mechanism for long linear flexible body |
| CN102963777B (en) * | 2012-11-23 | 2015-06-10 | 北京捷诚创新科技有限公司 | Tension retraction mechanism for long linear flexible body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130522 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |