CN209752012U - Telescopic oil cylinder and drag chain integrated mechanism - Google Patents
Telescopic oil cylinder and drag chain integrated mechanism Download PDFInfo
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- CN209752012U CN209752012U CN201920399728.4U CN201920399728U CN209752012U CN 209752012 U CN209752012 U CN 209752012U CN 201920399728 U CN201920399728 U CN 201920399728U CN 209752012 U CN209752012 U CN 209752012U
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- 230000001360 synchronised effect Effects 0.000 claims description 6
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- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
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Abstract
The utility model relates to a flexible arm tow chain field, especially a flexible hydro-cylinder and tow chain integrated mechanism, through setting up first flexible arm and second flexible arm, the second flexible arm cup joints on the inner wall of first flexible arm and realizes the concertina movement through flexible pneumatic cylinder, is fixed with the direction slider on the cylinder end of flexible pneumatic cylinder, the surface of direction slider contacts with the inner wall of second flexible arm; still be provided with tow chain mechanism in the middle of the flexible arm, tow chain mechanism one end is fixed on the flexible arm tail of second, and the other end is fixed in cylinder intermediate position department, replaces traditional tow chain mechanism and flexible pneumatic cylinder with this kind of built-in tow chain and flexible pneumatic cylinder integrated mechanism, has solved the problem that can't be at cantilever crane internally mounted tow chain mechanism when first flexible arm and the flexible arm cross-section difference of second are less to the assembly of tow chain mechanism and flexible pneumatic cylinder has been simplified.
Description
Technical Field
The utility model relates to a flexible arm tow chain field, especially a flexible hydro-cylinder and tow chain integrated mechanism.
background
At present, a lifting fire truck mostly adopts a synchronous telescopic boom structure form, telescopic motion of the telescopic boom is realized by stretching and retracting of a double-acting oil cylinder, the telescopic hydraulic cylinder adopts an external arrangement form of positive installation or internal reverse installation, and meanwhile, a drag chain telescopic mechanism for conveying cables and hydraulic pipes is installed on the telescopic boom and has the function of synchronously stretching and retracting with the boom to convey the cables and the hydraulic pipes to the topmost end of the boom. As shown in fig. 1, many manufacturers in China adopt an arrangement mode of inverted mounting of a common telescopic hydraulic cylinder and a built-in drag chain mechanism in a product with two telescopic booms, the space of the side surface of an arm support is limited, the bending radius of an oil pipe is large, and a drag chain mechanism 5 can only be arranged between a first arm support and a second arm support;
the existing common arrangement mode of the telescopic hydraulic cylinder and the drag chain mechanism 5 has the following defects: the telescopic hydraulic cylinder and the drag chain mechanism 5 are respectively and independently assembled on the arm support, the telescopic hydraulic cylinder adopts an inverted installation form, namely, a fixed point of a piston rod of the telescopic hydraulic cylinder is fixed with the root part of the arm support of the first telescopic arm 1, a fixed point on a cylinder barrel of the telescopic hydraulic cylinder is fixed with the tail part of the arm support of the second telescopic arm 2, and tow chain mechanism 5 arranges in between first flexible arm 1 and the flexible arm 2 of second, 5 one end of tow chain mechanism is fixed with 1 intermediate junction of first flexible arm, the other end and the flexible arm 2 arm tail joint of second, it is comparatively troublesome during the assembly of tow chain mechanism 5, if two sections flexible arm frame cross-sectional differences are less, adopt this kind of traditional tow chain structural arrangement mode, just can't realize arranging tow chain mechanism 5 between first flexible arm 1 and the flexible arm 2 of second, can't realize the transport of cable and hydraulic pressure pipe 7, must enlarge 1 cantilever crane cross-sectional area of first flexible arm or reduce the flexible arm 2 cantilever crane cross-sectional area of second and just can arrange tow chain mechanism 5 in flexible arm.
SUMMERY OF THE UTILITY MODEL
The invention of the utility model aims to: aiming at the traditional drag chain structure in the prior art, when the section difference of two sections of telescopic boom arm supports is small, the drag chain mechanism cannot be arranged between a first telescopic boom and a second telescopic boom so as to realize the conveying of cables and hydraulic pipes, and a telescopic oil cylinder and a drag chain integrated mechanism are provided.
In order to realize the purpose, the utility model discloses a technical scheme be:
A telescopic oil cylinder and tow chain integrated mechanism comprises a first telescopic arm and a second telescopic arm, wherein the second telescopic arm is sleeved on the inner wall of the first telescopic arm;
The integrated mechanism of the telescopic oil cylinder and the drag chain further comprises a guide sliding block and a drag chain mechanism, the guide sliding block is fixedly arranged on the cylinder barrel and used for supporting the cylinder barrel, the outer surface of the guide sliding block is contacted with the inner wall of the second telescopic arm, the drag chain mechanism is arranged between the fixed point of the cylinder barrel and the first telescopic arm and the fixed point of the guide sliding block, one end of the drag chain mechanism is fixed on the inner wall of the tail part of the second telescopic arm, and the other end of the drag chain mechanism is fixed on the cylinder barrel after being bent;
the drag chain mechanism comprises a plurality of hollow chain links, and the hollow part of the drag chain mechanism consisting of the plurality of chain links is used for arranging cables and hydraulic pipes and fixing and protecting the cables and the hydraulic pipes.
The utility model realizes the telescopic motion of the second telescopic arm along the inner wall of the first telescopic arm by arranging the first telescopic arm and the second telescopic arm which are sleeved on the inner wall of the first telescopic arm and arranging the telescopic hydraulic cylinders on the first telescopic arm and the second telescopic arm, wherein the telescopic hydraulic cylinders comprise a cylinder barrel and a piston rod, the piston rod is fixedly arranged on the inner wall of the second telescopic arm, the cylinder barrel is fixedly arranged on the inner wall of the first telescopic arm and is arranged inside the second telescopic arm, the telescopic hydraulic cylinder and the tow chain integrated mechanism further comprise a guide slider and a tow chain mechanism, the guide slider is fixedly arranged on the cylinder barrel, the outer surface of the guide slider is contacted with the inner wall of the second telescopic arm to realize the three-point support of the telescopic hydraulic cylinder, namely the first point is that the cylinder barrel is supported by the fixed point of the first telescopic arm, the second point is a contact surface support between the guide sliding block and the second telescopic arm, and the third point is a fixed point support between the piston rod and the second telescopic arm; a drag chain mechanism is arranged between the first telescopic arm and the second telescopic arm, the drag chain mechanism is arranged between the fixed point of the cylinder barrel and the first telescopic arm and the fixed point of the guide sliding block, namely, the whole drag chain mechanism is arranged on the cylinder barrel part of the telescopic hydraulic cylinder, one end of the drag chain mechanism is fixed on the inner wall of the second telescopic arm, the other end is fixed on the cylinder barrel after being changed for 180 degrees, wherein the drag chain mechanism is used for fixing and protecting cables and hydraulic pipes, the built-in structure of the drag chain mechanism replaces the traditional drag chain mechanism, the problem that the drag chain mechanism cannot be installed when the difference between the sections of the first telescopic arm and the second telescopic arm is small is solved, through the arrangement of the guide sliding block, the possibility that the drag chain of the inner bending part of the second telescopic arm is crushed when the built-in drag chain mechanism is assembled is eliminated, and the problem that the drag chain mechanism is easily crushed when the drag chain mechanism is assembled on the cylinder part of the telescopic hydraulic cylinder is solved.
As the utility model discloses an optimal scheme, the fixed box that is provided with on the cylinder, fixed box is used for fixed and protection cable and hydraulic pressure pipe.
As the utility model discloses an optimized scheme, tow chain mechanism one end is fixed on the fixed box, the other end is fixed on the inner wall of the flexible arm of second, the during operation tow chain mechanism with flexible pneumatic cylinder's flexible synchronous.
as the preferred scheme of the utility model, direction slider shape adaptation in the inner wall shape of the flexible arm of second.
As the utility model discloses a preferred scheme, the flexible arm inner wall cross sectional shape of second is the polygon, the direction slider includes the contact piece that equals with limit shape quantity, all the contact piece all sets up on the flexible arm inner wall of second is along the not equidirectional position of circumference.
As the utility model discloses a preferred scheme, the flexible arm inner wall cross sectional shape of second is the rectangle, the direction slider includes the contact piece of four directions, all the contact piece all sets up on the flexible arm inner wall of second is along the not equidirectional position of circumference.
As the utility model discloses an optimal scheme, flexible hydro-cylinder and tow chain integrated mechanism still include the round pin axle, through the round pin axle will flexible pneumatic cylinder's cylinder is fixed on the first flexible arm, through the round pin axle will flexible pneumatic cylinder's piston rod is fixed on the flexible arm of second.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
the utility model realizes the telescopic motion of the second telescopic arm along the inner wall of the first telescopic arm by arranging the first telescopic arm and the second telescopic arm which are sleeved on the inner wall of the first telescopic arm and arranging the telescopic hydraulic cylinders on the first telescopic arm and the second telescopic arm, wherein the telescopic hydraulic cylinders comprise a cylinder barrel and a piston rod, the piston rod is fixedly arranged on the inner wall of the second telescopic arm, the cylinder barrel is fixedly arranged on the inner wall of the first telescopic arm and is arranged inside the second telescopic arm, the telescopic hydraulic cylinder and the tow chain integrated mechanism further comprise a guide slider and a tow chain mechanism, the guide slider is fixedly arranged on the cylinder barrel, the outer surface of the guide slider is contacted with the inner wall of the second telescopic arm to realize the three-point support of the telescopic hydraulic cylinder, namely the first point is that the cylinder barrel is supported by the fixed point of the first telescopic arm, the second point is a contact surface support between the guide sliding block and the second telescopic arm, and the third point is a fixed point support between the piston rod and the second telescopic arm; a drag chain mechanism is arranged between the first telescopic arm and the second telescopic arm, the drag chain mechanism is arranged between the fixed point of the cylinder barrel and the first telescopic arm and the fixed point of the guide sliding block, namely, the whole drag chain mechanism is arranged on the cylinder barrel part of the telescopic hydraulic cylinder, one end of the drag chain mechanism is fixed on the inner wall of the second telescopic arm, the other end is fixed on the cylinder barrel after being changed for 180 degrees, wherein the drag chain mechanism is used for fixing and protecting cables and hydraulic pipes, the built-in structure of the drag chain mechanism replaces the traditional drag chain mechanism, the problem that the drag chain mechanism cannot be installed when the difference between the sections of the first telescopic arm and the second telescopic arm is small is solved, through the arrangement of the guide sliding block, the possibility that the drag chain of the inner bending part of the second telescopic arm is crushed when the built-in drag chain mechanism is assembled is eliminated, and the problem that the drag chain mechanism is easily crushed when the drag chain mechanism is assembled on the cylinder part of the telescopic hydraulic cylinder is solved.
Drawings
FIG. 1 is a schematic structural diagram of a synchronous telescopic boom of a fire truck in the prior art;
FIG. 2 is a schematic view of the second boom in an unextended configuration;
FIG. 3 is a schematic view of the second boom in an extended configuration;
Fig. 4 is a schematic cross-sectional view of the present invention.
the labels in the figure are: 1-a first telescopic arm, 2-a second telescopic arm, 3-a cylinder barrel, 4-a piston rod, 5-a drag chain mechanism, 6-a guide slider, 7-a cable and a hydraulic pipe, 8-a fixed box, 9-a first fixed point, 10-a second fixed point and 11-a third fixed point.
Detailed Description
the present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
the specific embodiment is as follows, as shown in fig. 1, the schematic structural diagram of the synchronous telescopic boom of the fire truck in the prior art, the telescopic hydraulic cylinder and the tow chain mechanism 5 are independently assembled on the boom respectively, the telescopic hydraulic cylinder adopts an inverted installation form, namely, a fixed point of a piston rod 4 of the telescopic hydraulic cylinder is fixed with the root of the boom of the first telescopic boom 1, a fixed point on a cylinder barrel 3 of the telescopic hydraulic cylinder is fixed at the tail of the second telescopic boom 2, the tow chain mechanism 5 is arranged between the first telescopic boom 1 and the second telescopic boom, one end of the tow chain mechanism 5 is fixed with the middle of the first telescopic boom 1, the other end is connected with the tail of the second telescopic boom 2, the fixed tow chain mechanism 5 and the telescopic hydraulic cylinder are arranged up and down, and the occupied.
as shown in fig. 2 and 3, the integrated mechanism of the telescopic cylinder and the tow chain comprises a first telescopic arm 1 and a second telescopic arm 2, wherein the second telescopic arm 2 is sleeved on the inner wall of the first telescopic arm 1, the integrated mechanism of the telescopic cylinder and the tow chain further comprises a telescopic hydraulic cylinder, the telescopic hydraulic cylinder comprises a cylinder barrel 3 and a piston rod 4, the piston rod 4 is fixedly arranged on the inner wall of the second telescopic arm 2, the fixed point of the piston rod 4 and the second telescopic arm 2 is a third fixed point 11, the cylinder barrel 3 is fixedly arranged on the inner wall of the first telescopic arm 1 and is arranged inside the second telescopic arm 2, the fixed point of the cylinder barrel 3 and the first telescopic arm 1 is a first fixed point 9, and the second telescopic arm 2 can perform telescopic motion along the inner wall of the first telescopic arm 1 through the action of the telescopic hydraulic cylinder;
The telescopic oil cylinder and drag chain integrated mechanism further comprises a guide sliding block 6 and a drag chain mechanism 5, the guide sliding block 6 is fixedly arranged on the cylinder barrel 3 and used for supporting the cylinder barrel 3, the outer surface of the guide sliding block 6 is in contact with the inner wall of the second telescopic arm 2, the drag chain mechanism 5 is arranged between a fixed point of the cylinder barrel 3 and the first telescopic arm 1 and a fixed point of the guide sliding block 6, the fixed point of the guide sliding block 6 is a third fixed point 11, one end of the drag chain mechanism 5 is fixed on the inner wall of the second telescopic arm 2, the other end of the drag chain mechanism 5 is fixed on the cylinder barrel 3 after being changed by 180 degrees, namely the drag chain mechanism 5 is arranged between a first fixed point 9 and a second fixed point 10, the drag chain mechanism 5 is partially bent during fixing, and when the piston rod 4 excessively extends out;
The drag chain mechanism 5 comprises a plurality of hollow chain links, and the hollow part of the drag chain mechanism 5 consisting of the plurality of chain links is used for arranging and protecting cables and hydraulic pipes 7.
Wherein the telescopic hydraulic cylinder is supported by three points:
Namely, the first point is a fixed point support for fixing the cylinder 3 and the first telescopic arm 1, the second point is a first fixed point 9, the second point is a contact surface support between the guide slider 6 and the second telescopic arm 2, the second point is a second fixed point 10, and the third point is a fixed point support between the piston rod 4 and the second telescopic arm 2, and the third point is a third fixed point 11.
The drag chain mechanism 5 is arranged between the fixed point of the cylinder barrel 3 and the first telescopic arm 1 and the fixed point of the guide sliding block 6, namely between the first fixed point 9 and the second fixed point 10, namely the whole drag chain mechanism 5 is arranged on the cylinder barrel 3 part of the telescopic hydraulic cylinder, and the drag chain mechanism 5 is partially bent during fixing, wherein the drag chain mechanism 5 is used for fixing a cable and a hydraulic pipe 7 and protecting the cable and the hydraulic pipe, so that the problem that the section difference between the first telescopic arm 1 and the second telescopic arm 2 is large when the traditional drag chain mechanism 5 is arranged between the first telescopic arm 1 and the second telescopic arm 2 is solved.
the function of the guide slide block 6 is as follows:
The first supporting point is used as a second supporting point of the telescopic hydraulic cylinder to support the telescopic hydraulic cylinder, so that the instability of the telescopic hydraulic cylinder is avoided, when the extension distance of the second telescopic arm 2 is too long, the two points are not stably supported, and the second fixed point 10, namely the second supporting point, can enable the telescopic hydraulic cylinder to be more stable in working;
The second supporting point is used as a second supporting point of the telescopic hydraulic cylinder to support the telescopic hydraulic cylinder, so that the bent part of the drag chain mechanism 5 cannot be crushed due to the sagging of the telescopic hydraulic cylinder during assembly;
Action three and the second telescopic arm 2 form a moving pair, wherein the moving direction is the action direction of a piston rod 4 of the telescopic hydraulic cylinder.
A fixing box 8 is fixedly arranged on the cylinder barrel 3, and the fixing box 8 is used for accommodating and protecting the cable and the hydraulic pipe 7.
The fixed box 8 is fixedly arranged on the side surface of the cylinder barrel 3;
One end of the drag chain mechanism 5 is fixed on the fixed box 8, the other end of the drag chain mechanism is fixed on the inner wall of the second telescopic arm 2, and the drag chain mechanism 5 and the telescopic hydraulic cylinder are synchronous in stretching during working.
The shape of the guide slider 6 is adapted to the shape of the inner wall of the second telescopic arm 2.
The cross sectional shape of the inner wall of the second telescopic arm 2 is a polygon, the guide sliding block 6 comprises contact blocks equal to the number of the polygons, and all the contact blocks are arranged on the positions of the inner wall of the second telescopic arm 2 in different directions along the circumferential direction.
As shown in fig. 4, the cross section of the inner wall of the second telescopic arm 2 is rectangular, the guide slider 6 includes contact blocks in four directions, all the contact blocks are arranged on the inner walls of the cylinder 3 and the second telescopic arm 2 in different circumferential directions, and the contact block in each direction is in contact with the inner wall in the corresponding direction.
The outer surface of the contact block is in contact with the inner wall surface of the second telescopic arm 2 to realize the function of supporting the telescopic hydraulic cylinder, when the piston rod 4 moves, the second telescopic arm 2 and the contact block of the guide sliding block 6 are in relative displacement, wherein the guide sliding block 6 is kept still, and the second telescopic arm 2 and the guide sliding block 6 slide.
The fixing box 8 is used for accommodating and protecting the cable and the hydraulic pipe 7; the drag chain mechanism 5 comprises a plurality of hollow chain links, and the hollow part of the drag chain mechanism 5 consisting of the plurality of chain links is used for accommodating and protecting cables and hydraulic pipes 7.
The telescopic oil cylinder and drag chain integrated mechanism further comprises a pin shaft, the cylinder barrel 3 of the telescopic hydraulic cylinder is fixed on the first telescopic arm 1 through the pin shaft, and the piston rod 4 of the telescopic hydraulic cylinder is fixed on the second telescopic arm 2 through the pin shaft.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The telescopic oil cylinder and tow chain integrated mechanism is characterized by comprising a first telescopic arm (1) and a second telescopic arm (2), wherein the second telescopic arm (2) is sleeved on the inner wall of the first telescopic arm (1), the telescopic oil cylinder and tow chain integrated mechanism further comprises a telescopic hydraulic cylinder, the telescopic hydraulic cylinder comprises a cylinder barrel (3) and a piston rod (4), the piston rod (4) is fixedly arranged on the inner wall of the second telescopic arm (2), the cylinder barrel (3) is fixedly arranged on the inner wall of the first telescopic arm (1) and is arranged in the second telescopic arm (2), and the second telescopic arm (2) can perform telescopic motion along the inner wall of the first telescopic arm (1) through the action of the telescopic hydraulic cylinder;
The telescopic oil cylinder and drag chain integrated mechanism further comprises a guide sliding block (6) and a drag chain mechanism (5), the guide sliding block (6) is fixedly arranged on the cylinder barrel (3) and used for supporting the cylinder barrel (3), the outer surface of the guide sliding block (6) is in contact with the inner wall of the second telescopic arm, the drag chain mechanism (5) is arranged between the fixed point of the cylinder barrel (3) and the first telescopic arm (1) and the fixed point of the guide sliding block (6), one end of the drag chain mechanism (5) is fixed on the inner wall of the second telescopic arm (2), and the other end of the drag chain mechanism (5) is fixed on the cylinder barrel (3) after being bent;
The drag chain mechanism (5) comprises a plurality of hollow chain links, and the hollow part of the drag chain mechanism consisting of the plurality of chain links is used for arranging and protecting cables and hydraulic pipes (7).
2. The integrated telescopic cylinder and towline mechanism as claimed in claim 1, wherein a fixing box (8) is fixedly arranged on the cylinder barrel (3), and the fixing box (8) is used for fixing and protecting the cable and the hydraulic pipe (7).
3. The integrated telescopic cylinder and drag chain mechanism as claimed in claim 2, wherein one end of the drag chain mechanism (5) is fixed on the fixed box (8), the other end is fixed on the inner wall of the second telescopic arm (2), and the drag chain mechanism (5) and the telescopic cylinder are synchronous in extension and retraction during operation.
4. a telescopic cylinder and tow chain integrated mechanism according to any of claims 1-3, characterised in that the shape of the guiding slider (6) is adapted to the shape of the inner wall of the second telescopic boom (2).
5. The telescopic oil cylinder and drag chain integrated mechanism as claimed in claim 4, wherein the cross-sectional shape of the inner wall of the second telescopic arm (2) is polygonal, the guide slider (6) comprises contact blocks equal in number to the polygons, and all the contact blocks are arranged on the inner wall of the second telescopic arm (2) at different circumferential positions.
6. The integrated mechanism of the telescopic oil cylinder and the drag chain as claimed in claim 5, wherein the cross section of the inner wall of the second telescopic arm (2) is rectangular, the guide slider (6) comprises contact blocks in four directions, and all the contact blocks are arranged on the inner wall of the second telescopic arm (2) at different circumferential direction positions.
7. the integrated mechanism of the telescopic cylinder and the tow chain as claimed in claim 6, further comprising a pin shaft, wherein the cylinder (3) of the telescopic cylinder is fixed on the first telescopic boom (1) through the pin shaft, and the piston rod (4) of the telescopic cylinder is fixed on the second telescopic boom (2) through the pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399728.4U CN209752012U (en) | 2019-03-27 | 2019-03-27 | Telescopic oil cylinder and drag chain integrated mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399728.4U CN209752012U (en) | 2019-03-27 | 2019-03-27 | Telescopic oil cylinder and drag chain integrated mechanism |
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| Publication Number | Publication Date |
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| CN209752012U true CN209752012U (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920399728.4U Active CN209752012U (en) | 2019-03-27 | 2019-03-27 | Telescopic oil cylinder and drag chain integrated mechanism |
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| CN (1) | CN209752012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153333A (en) * | 2020-01-22 | 2020-05-15 | 徐工消防安全装备有限公司 | Telescopic working arm, telescopic operation device and elevating fire truck |
-
2019
- 2019-03-27 CN CN201920399728.4U patent/CN209752012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111153333A (en) * | 2020-01-22 | 2020-05-15 | 徐工消防安全装备有限公司 | Telescopic working arm, telescopic operation device and elevating fire truck |
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