CN111156223A - Telescopic oil cylinder supporting device of long-boom pump truck - Google Patents
Telescopic oil cylinder supporting device of long-boom pump truck Download PDFInfo
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- CN111156223A CN111156223A CN201811318832.2A CN201811318832A CN111156223A CN 111156223 A CN111156223 A CN 111156223A CN 201811318832 A CN201811318832 A CN 201811318832A CN 111156223 A CN111156223 A CN 111156223A
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- 238000009434 installation Methods 0.000 claims description 11
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000008602 contraction Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/20—Other details, e.g. assembly with regulating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1423—Component parts; Constructional details
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of processing and manufacturing of arm support pump truck accessories, and particularly relates to a telescopic oil cylinder supporting device of a long arm support pump truck, which comprises: the support platform comprises a support platform, a support platform top plate, a first telescopic oil cylinder, a first-stage telescopic bracket top plate, a shaft pin, a first oil cylinder support, a second telescopic oil cylinder, a second-stage telescopic bracket and a second oil cylinder support; the cantilever crane boom has the advantages of compact structure, flexible use and selection, stable and reliable performance, strong selectivity of the mounting position of the oil cylinder, long coincident part of the supporting leg and the supporting table when the oil cylinder is extended for working, capability of realizing rapid and stable extension and retraction of the cantilever crane boom, safe and stable use process, low manufacturing cost and friendly application environment.
Description
The technical field is as follows:
the invention belongs to the technical field of processing and manufacturing of arm support pump truck accessories, and particularly relates to a telescopic oil cylinder supporting device of a long arm support pump truck, which realizes quick and stable telescopic of an arm support of the pump truck.
Background art:
the telescopic arm support is a main working mechanism of the arm support type aerial work platform, and the telescopic mechanism is a core for realizing the functions of the telescopic arm support and is generally driven by a telescopic oil cylinder to realize the telescopic motion of a plurality of sections of arms. At present, a telescopic oil cylinder on a support table of a long-boom pump truck generally adopts two-stage telescopic structure, three supporting points are arranged on the telescopic oil cylinder, one supporting point at the front end is connected with a second-stage supporting leg, one supporting point in the middle is connected with a first-stage supporting leg, and a supporting point at the tail end is connected with a telescopic oil cylinder support on the support table; chinese patent 200920310631.8 discloses a supporting and fixing structure of a telescopic cylinder, wherein a telescopic arm is sleeved in a basic arm, two earrings of the telescopic cylinder are respectively hinged on the telescopic arm and a support on the basic arm, a support frame is fixedly arranged on the telescopic cylinder near one end of a piston rod of the telescopic cylinder, a sliding shoe is fixedly arranged on the support frame, and the sliding shoe is in sliding contact with the inner wall of the telescopic arm; chinese patent 201510011668.0 discloses a concrete sprayer arm support, which comprises a bidirectional hinge part, a rotary component, a large arm component and a small arm component, wherein the large arm component comprises a large arm telescopic arm, a large arm body, a telescopic oil cylinder for the large arm, a large arm pitching oil cylinder and a balance adjusting oil cylinder; the bidirectional hinged component and the small arm pitching oil cylinder can realize the rotation and pitching motion of the small arm component and realize the multidirectional motion; the large arm assembly, the rotary assembly, the large arm pitching oil cylinder and the balance adjusting oil cylinder can realize the rotary motion of the small arm assembly and the large arm assembly; the large arm assembly and the small arm assembly can realize free extension and retraction of the large arm telescopic arm and the small arm body, so that the arm support has a large working range when being unfolded and occupies a small space after being retracted; the small arm pitching oil cylinder and the balance adjusting oil cylinder can realize automatic balance adjustment of the arm support; chinese patent 201621379100.0 discloses a self-balancing extension mechanism for double-rope rows, which comprises a steel wire rope support I fixedly connected with a first section arm of a telescopic arm support, a balance wheel arranged in the steel wire rope support I, and double-rope rows connected on the steel wire rope support I, the telescopic oil cylinder is positioned below the double-rope row and used for driving each section of arm to extend, the steel wire rope support II is fixedly connected with the third section of arm frame, and the balance block is connected with the steel wire rope support II; chinese patent 201310467204.1 discloses a telescopic cylinder supporting device, a telescopic cylinder for driving a first arm support and a second arm support to move relatively, comprising a supporting frame and a push-pull device for driving the supporting frame to move, the supporting frame is movably mounted on a piston rod of the telescopic cylinder and movably supported on the first arm support for supporting the piston rod of the telescopic cylinder, the supporting frame can move relatively along the piston rod under the driving of the push-pull device, the push-pull device comprises a stop block, the stop block is arranged on the first arm support and close to one side of the supporting frame, the push-pull device further comprises a pull rod and a support, the support is fixed on the second arm support or a cylinder barrel of the telescopic cylinder, the pull rod is mounted on the support, one end of the pull rod is connected with the supporting frame, the pull rod is connected with the support in a sliding manner, the other end of the pull rod is provided with a stop arm, the pull rod comprises a first section, the first section of rod and the second section of rod can move relatively, the push-pull device comprises a pull rope, one end of the pull rope is connected with a support frame, the other end of the pull rope is connected with a second arm frame or a cylinder barrel of a telescopic oil cylinder, the support frame is movably supported on the first arm frame and is in sliding connection with a piston rod, the support frame is in sliding fit with the inner wall of the first arm frame, a slideway is arranged on the outer surface of the first arm frame and is in sliding connection with the piston rod, the support frame is in sliding fit with the slideway, the push-pull device also comprises a third arm frame, the telescopic oil cylinder is used for driving the first arm frame, the second arm frame and the third arm frame to move relatively, the support frame comprises two parts, a piston rod of the telescopic oil cylinder comprises a first-stage piston rod and a second-stage piston rod, the first-stage piston rod is hinged, the other support frame is arranged on the two piston rods; when the product is applied to the telescopic oil cylinder support on the long-boom pump truck support table, the mounting position of the oil cylinder can be selectively checked, and the positioning is inconvenient, when the oil cylinder is extended to work, the superposed part of the supporting leg and the support table is short, the stability and the safety in the use process are poor, and when the telescopic oil cylinder is folded in place, the structure contact is not compact, and abnormal sound is easily generated; therefore, the telescopic oil cylinder supporting device of the arm support pump truck, which has the advantages of compact and firm structure, strong selectivity of the oil cylinder mounting position, and long superposition part of the supporting leg and the supporting platform when the oil cylinder is in extension work, is researched and designed, and has good use value and popularization prospect.
The invention content is as follows:
the invention aims to overcome the defects in the prior art, and provides the telescopic oil cylinder supporting device for the long-boom pump truck.
In order to achieve the above object, the main structure of the present invention comprises: the support platform comprises a support platform, a support platform top plate, a first telescopic oil cylinder, a first-stage telescopic bracket top plate, a shaft pin, a first oil cylinder support, a second telescopic oil cylinder, a second-stage telescopic bracket and a second oil cylinder support; a supporting table top plate is arranged on the supporting table, a first oil cylinder support is fixedly arranged on the inner wall of one end of the supporting table top plate, a first telescopic oil cylinder and a primary telescopic support which are parallel to the supporting table top plate are also arranged in the supporting table, one end, far away from the first oil cylinder support, of the first telescopic oil cylinder is fixedly connected with the primary telescopic support, and the other end of the primary telescopic support can extend into the first oil cylinder support and is in shaft pin type connection with the first oil cylinder support through a shaft pin; the first oil cylinder support comprises a first oil cylinder support plate, a second oil cylinder support plate, a connecting rib plate, a U-shaped groove, a shaft pin hole, a kidney-shaped hole, an oil cylinder support notch and an oil cylinder support bulge, the first oil cylinder support plate is parallel to the second oil cylinder support plate and has the same length, the width of the first oil cylinder support plate is larger than that of the second oil cylinder support plate, the left side of the first oil cylinder support plate is aligned with that of the second oil cylinder support plate, the second oil cylinder support plate can be prevented from shielding a primary telescopic support extending between the first oil cylinder support plate and the second oil cylinder support plate, and the first oil cylinder support can be quickly and accurately positioned through the length of the primary telescopic support; an oil cylinder support gap is correspondingly formed in one side, aligned with the second oil cylinder support plate, of the first oil cylinder support plate, and the distance between the first oil cylinder support and the second oil cylinder support can be shortened through the oil cylinder support gap, so that the structure is more compact, and the stability is stronger; the first oil cylinder support plate and the second oil cylinder support plate are aligned to form an oil cylinder support bulge, the oil cylinder support bulge is correspondingly provided with a shaft pin hole, and the oil cylinder support bulge can be matched with the shaft pin hole to realize quick installation of the first telescopic oil cylinder, so that the labor cost is reduced; the first oil cylinder support plate and the second oil cylinder support plate are fixedly connected through a connecting rib plate, the transverse central axis of the connecting rib plate is on the same central axis with the transverse central axis of the first oil cylinder support plate and the second oil cylinder support plate, the length of the connecting rib plate is respectively smaller than that of the first oil cylinder support plate and the second oil cylinder support plate, the connecting rib plate is respectively connected with the first oil cylinder support plate and the second oil cylinder support plate to form a U-shaped groove with an upward opening and a U-shaped groove with a downward opening, the primary telescopic bracket can extend into the U-shaped groove with the upward opening of the first oil cylinder support to realize the storage of the primary telescopic bracket, the first telescopic oil cylinder extends into the U-shaped groove with the downward opening of the first oil cylinder support, the first telescopic oil cylinder is stored by the pin type connection of the shaft pin penetrating through the shaft pin hole on the first oil cylinder support and the protruding shaft pin of the oil cylinder support, and the first-stage telescopic bracket can be telescopic along with the first telescopic oil cylinder; a second oil cylinder support is fixedly arranged on a top plate of the primary telescopic support close to one end of the first oil cylinder support on the primary telescopic support, the second oil cylinder support comprises a U-shaped oil cylinder support plate with a downward opening and two parallel oil cylinder support side plates with the same size, the oil cylinder support side plates are fixedly connected with the outer wall of the non-opening end of the U-shaped oil cylinder support plate, the oil cylinder support side plates are connected with the U-shaped oil cylinder support plate to form a U-shaped groove with an upward opening and a U-shaped groove with a downward opening, and shaft pin holes are correspondingly arranged on the side wall of the U-shaped oil cylinder support plate; still be equipped with the flexible hydro-cylinder of second parallelly between one-level telescopic bracket roof and the first telescopic cylinder in the one-level telescopic bracket, still be equipped with the flexible support of second level parallelly between the flexible hydro-cylinder of second and the one-level telescopic bracket roof, the flexible hydro-cylinder of second is close to in the one end of second hydro-cylinder support extends to the decurrent U-shaped recess of second hydro-cylinder support opening, the flexible hydro-cylinder of second runs through the axle pin hole on the second hydro-cylinder support through the pivot and is connected with second hydro-cylinder support axle pin formula, the flexible hydro-cylinder other end of second and second telescopic bracket fixed connection, the flexible support of second level can extend to in the ascending U-shaped recess of second hydro-cylinder support opening, the flexible support of second level can be accomplished along.
The first oil cylinder support plate and the second oil cylinder support plate are correspondingly provided with the kidney-shaped holes, and the kidney-shaped holes can realize quick and accurate positioning of the second oil cylinder support and improve the installation efficiency.
When the telescopic oil cylinder supporting device of the long-boom pump truck is installed, the width of the first oil cylinder supporting plate is larger than that of the second oil cylinder supporting plate, the length of the primary telescopic bracket extending into the U-shaped groove with the upward opening of the first oil cylinder supporting seat is visible, and the installation position of the first oil cylinder supporting seat is determined according to the length of the primary telescopic bracket extending into the U-shaped groove with the upward opening of the first oil cylinder supporting seat; the length of the second-stage telescopic support extending to the U-shaped groove with the upward opening of the second oil cylinder support is the length of the second oil cylinder support extending into the oil cylinder support gap of the first oil cylinder support, the second oil cylinder support is visible through the waist-shaped hole in the first oil cylinder support, and the mounting position of the second oil cylinder support is determined according to the lengths of the second-stage telescopic support and the second oil cylinder support passing through the waist-shaped hole.
When the telescopic oil cylinder supporting device of the long-boom pump truck is in a contraction state, the tail end of the secondary telescopic support is accommodated in the U-shaped groove with the upward opening of the second oil cylinder support, the second oil cylinder support is accommodated in the oil cylinder support gap of the first oil cylinder support, and the primary telescopic support is accommodated in the U-shaped groove with the upward opening of the first oil cylinder support; when the telescopic oil cylinder supporting device of the long-boom pump truck works, the first telescopic oil cylinder can be independently driven to expand the primary telescopic bracket in the supporting table or the second telescopic oil cylinder can be independently driven to expand the secondary telescopic bracket in the primary telescopic bracket according to the required length, or the first telescopic bracket and the secondary telescopic bracket can be respectively expanded in the supporting table and the primary telescopic bracket by simultaneously driving the first telescopic oil cylinder and the second telescopic oil cylinder; when the first telescopic oil cylinder is driven independently to expand the first-stage telescopic support, the second telescopic oil cylinder and the second-stage telescopic support can stretch along with the first-stage telescopic support.
Compared with the prior art, the invention has the advantages that the defects of the prior art are changed by the overall structure, the structure is compact, the use and selection are flexible, the performance is stable and reliable, the selectivity of the installation position of the oil cylinder is strong, the length of the overlapped part of the supporting leg and the supporting platform is long when the oil cylinder is extended, the arm support of the pump truck can be quickly and stably extended and retracted, the use process is safe and stable, the manufacturing cost is low, and the application environment is friendly.
Description of the drawings:
fig. 1 is a schematic diagram of the principle of the main structure of the present invention.
Fig. 2 is a schematic structural diagram of a first cylinder support main body according to the present invention.
Fig. 3 is a schematic diagram of a main structure of a first cylinder support in a top view.
Fig. 4 is a schematic left-view main structure of the first cylinder support according to the present invention.
Fig. 5 is a schematic structural diagram of a second cylinder support main body according to the present invention.
Fig. 6 is a schematic left-view main structure of the second cylinder support according to the present invention.
The specific implementation mode is as follows:
the invention is further described by way of example with reference to the accompanying drawings.
Example 1:
the flexible hydro-cylinder strutting arrangement of long cantilever crane pump truck that this embodiment relates to, major structure includes: the device comprises a support table 1, a support table top plate 101, a first telescopic oil cylinder 2, a first-stage telescopic bracket 3, a first-stage telescopic bracket top plate 301, a shaft pin 4, a first oil cylinder support 5, a second telescopic oil cylinder 6, a second telescopic bracket 7 and a second oil cylinder support 8; a supporting table top plate 101 is arranged on the supporting table 1, a first oil cylinder support 5 is fixedly arranged on the inner wall of one end of the supporting table top plate 101, a first telescopic oil cylinder 2 and a primary telescopic support 3 which are parallel to the supporting table top plate 101 are further arranged in the supporting table 1, one end, away from the first oil cylinder support 5, of the first telescopic oil cylinder 2 is fixedly connected with the primary telescopic support 3, the other end of the primary telescopic support 3 can extend into the first oil cylinder support 5, and a warp beam pin 4 is in shaft pin connection with the first oil cylinder support 5; the first oil cylinder support 5 comprises a first oil cylinder support plate 501, a second oil cylinder support plate 502, a connecting rib plate 503, a U-shaped groove 504, a shaft pin hole 505, a kidney-shaped hole 506, an oil cylinder support notch 507 and an oil cylinder support bulge 508, the first oil cylinder support plate 501 and the second oil cylinder support plate 502 are parallel and have the same length, the width of the first oil cylinder support plate 501 is larger than that of the second oil cylinder support plate 502, the left sides of the first oil cylinder support plate 501 and the second oil cylinder support plate 502 are aligned, the second oil cylinder support plate 502 can be prevented from shielding the primary telescopic support 3 extending between the first oil cylinder support plate 501 and the second oil cylinder support plate 502, and the first oil cylinder support 5 can be quickly and accurately positioned through the extending length of the primary telescopic support 3; a cylinder support notch 507 is correspondingly formed in one side, aligned with the second cylinder support plate 502, of the first cylinder support plate 501, and the distance between the first cylinder support 5 and the second cylinder support 8 can be shortened through the cylinder support notch 507, so that the structure is more compact, and the stability is stronger; an oil cylinder support bulge 508 is correspondingly arranged on one aligned side of the first oil cylinder support plate 501 and the second oil cylinder support plate 502, an axle pin hole 505 is correspondingly arranged on the oil cylinder support bulge 508, and the oil cylinder support bulge 508 can be matched with the axle pin hole 505 to realize the quick installation of the first telescopic oil cylinder 2, so that the labor cost is reduced; the first cylinder support plate 501 and the second cylinder support plate 502 are fixedly connected through a connecting rib plate 503, the transverse central axis of the connecting rib plate 503 and the transverse central axes of the first cylinder support plate 501 and the second cylinder support plate 502 are on the same central axis, the length of the connecting rib plate 503 is respectively smaller than the length of the first cylinder support plate 501 and the second cylinder support plate 502, the connecting rib plate 503 is respectively connected with the first cylinder support plate 501 and the second cylinder support plate 502 to form a U-shaped groove 504A with an upward opening and a U-shaped groove 504B with a downward opening, the primary telescopic support 3 can extend into the U-shaped groove 504A with the upward opening of the first cylinder support 5 to realize the storage of the primary telescopic support 3, the first telescopic cylinder 2 extends into the U-shaped groove 504B with the downward opening of the first cylinder support 5, and is connected with a protruding shaft pin of the cylinder support 508 through a shaft pin 4 which penetrates through a shaft pin hole 505 on the first cylinder support 5, the first telescopic oil cylinder 2 is stored, and the first-stage telescopic bracket 3 can be telescopic along with the first telescopic oil cylinder 2; a second oil cylinder support 8 is fixedly arranged on a first-stage telescopic support top plate 301 close to one end of the first oil cylinder support 5 on the first-stage telescopic support 3, the second oil cylinder support 8 comprises a U-shaped oil cylinder support plate 801 with a downward opening and two parallel oil cylinder support side plates 802 with the same size, the oil cylinder support side plates 802 are fixedly connected with the outer wall of the end, which is not provided with the opening, of the U-shaped oil cylinder support plate 801, the oil cylinder support side plates 802 are connected with the U-shaped oil cylinder support plate 801 to form a U-shaped groove 504C with an upward opening and a U-shaped groove 504D with a downward opening, and a shaft pin hole 505 is correspondingly arranged on the side wall of the U-shaped oil; still be equipped with the flexible hydro-cylinder 6 of second between the flexible support roof 301 of one-level and the first flexible hydro-cylinder 2 in one-level flexible support 3 parallelly, still be equipped with the flexible support 7 of second grade parallelly between the flexible hydro-cylinder 6 of second grade and the flexible support roof 301 of one-level, the flexible hydro-cylinder 6 of second is close to the one end of second hydro-cylinder support 8 and extends to in the downward U-shaped recess 504D of 8 openings of second hydro-cylinder support, the flexible hydro-cylinder 6 of second runs through axle pin hole 505 and the 8 axle pin formulas of second hydro-cylinder support on the second hydro-cylinder support 8 through pivot 4 and is connected, the flexible hydro-cylinder 6 other end of second and second flexible support 7 fixed connection, the flexible support 7 of second grade can extend to in the ascending U-shaped recess 504C of 8 openings of second hydro-cylinder support, flexible support 7 of second.
The first cylinder support plate 501 and the second cylinder support plate 502 related to the embodiment are also correspondingly provided with the kidney-shaped hole 506, and the kidney-shaped hole 506 can realize quick and accurate positioning of the second cylinder support 8, so that the installation efficiency is improved.
When the telescopic cylinder support device of the long boom frame pump truck related to the embodiment is installed, the width of the first cylinder support plate 501 is larger than that of the second cylinder support plate 502, the length of the first-stage telescopic bracket 3 extending into the U-shaped groove 504A with the upward opening of the first cylinder support 5 is visible, and the installation position of the first cylinder support 5 is determined according to the length of the first-stage telescopic bracket 3 extending into the U-shaped groove 504A with the upward opening of the first cylinder support 5; the length of the second-stage telescopic support 7 extending into the U-shaped groove 504C with the upward opening of the second oil cylinder support 8, the length of the second oil cylinder support 8 received into the oil cylinder support notch 507 of the first oil cylinder support 5 are visible through the waist-shaped hole 506 on the first oil cylinder support 5, and the installation position of the second oil cylinder support 8 is determined according to the lengths of the second-stage telescopic support 7 and the second oil cylinder support 8 passing through the waist-shaped hole 506.
When the telescopic oil cylinder supporting device of the long-boom pump truck related to the embodiment is in a contraction state, the tail end of the secondary telescopic bracket 7 is retracted into the U-shaped groove 504C with the upward opening of the second oil cylinder support 8, the second oil cylinder support 8 is retracted into the oil cylinder support notch 507 of the first oil cylinder support 5, and the primary telescopic bracket 3 is retracted into the U-shaped groove 504A with the upward opening of the first oil cylinder support 5; when the telescopic oil cylinder supporting device of the long-boom pump truck works, the first telescopic oil cylinder 2 can be independently driven to expand the first-stage telescopic bracket 3 in the supporting table 1 or the second telescopic oil cylinder 6 can be independently driven to expand the second-stage telescopic bracket 7 in the first-stage telescopic bracket 3 according to the required length, or the first telescopic oil cylinder 2 and the second telescopic oil cylinder 6 can be simultaneously driven to respectively expand the first-stage telescopic bracket 3 and the second-stage telescopic bracket 7 in the supporting table 1 and the first-stage telescopic bracket 3; when the first telescopic oil cylinder 2 is driven to expand the first-stage telescopic bracket 3 independently, the second telescopic oil cylinder 6 and the second-stage telescopic bracket 7 can complete the extension along with the first-stage telescopic bracket 3.
Claims (3)
1. The utility model provides a flexible hydro-cylinder strutting arrangement of long cantilever crane pump truck which characterized in that: the main structure includes: the support platform comprises a support platform, a support platform top plate, a first telescopic oil cylinder, a first-stage telescopic bracket top plate, a shaft pin, a first oil cylinder support, a second telescopic oil cylinder, a second-stage telescopic bracket and a second oil cylinder support; a supporting table top plate is arranged on the supporting table, a first oil cylinder support is fixedly arranged on the inner wall of one end of the supporting table top plate, a first telescopic oil cylinder and a primary telescopic support which are parallel to the supporting table top plate are also arranged in the supporting table, one end, far away from the first oil cylinder support, of the first telescopic oil cylinder is fixedly connected with the primary telescopic support, and the other end of the primary telescopic support can extend into the first oil cylinder support and is in shaft pin type connection with the first oil cylinder support through a shaft pin; the first oil cylinder support comprises a first oil cylinder support plate, a second oil cylinder support plate, a connecting rib plate, a U-shaped groove, a shaft pin hole, a kidney-shaped hole, an oil cylinder support notch and an oil cylinder support bulge, the first oil cylinder support plate is parallel to the second oil cylinder support plate and has the same length, the width of the first oil cylinder support plate is larger than that of the second oil cylinder support plate, the left side of the first oil cylinder support plate is aligned with that of the second oil cylinder support plate, the second oil cylinder support plate can be prevented from shielding a primary telescopic support extending between the first oil cylinder support plate and the second oil cylinder support plate, and the first oil cylinder support can be quickly and accurately positioned through the length of the primary telescopic support; an oil cylinder support gap is correspondingly formed in one side, aligned with the second oil cylinder support plate, of the first oil cylinder support plate, and the distance between the first oil cylinder support and the second oil cylinder support can be shortened through the oil cylinder support gap, so that the structure is more compact, and the stability is stronger; the first oil cylinder support plate and the second oil cylinder support plate are aligned to form an oil cylinder support bulge, the oil cylinder support bulge is correspondingly provided with a shaft pin hole, and the oil cylinder support bulge can be matched with the shaft pin hole to realize quick installation of the first telescopic oil cylinder, so that the labor cost is reduced; the first oil cylinder support plate and the second oil cylinder support plate are fixedly connected through a connecting rib plate, the transverse central axis of the connecting rib plate is on the same central axis with the transverse central axis of the first oil cylinder support plate and the second oil cylinder support plate, the length of the connecting rib plate is respectively smaller than that of the first oil cylinder support plate and the second oil cylinder support plate, the connecting rib plate is respectively connected with the first oil cylinder support plate and the second oil cylinder support plate to form a U-shaped groove with an upward opening and a U-shaped groove with a downward opening, the primary telescopic bracket can extend into the U-shaped groove with the upward opening of the first oil cylinder support to realize the storage of the primary telescopic bracket, the first telescopic oil cylinder extends into the U-shaped groove with the downward opening of the first oil cylinder support, the first telescopic oil cylinder is stored by the pin type connection of the shaft pin penetrating through the shaft pin hole on the first oil cylinder support and the protruding shaft pin of the oil cylinder support, and the first-stage telescopic bracket can be telescopic along with the first telescopic oil cylinder; a second oil cylinder support is fixedly arranged on a top plate of the primary telescopic support close to one end of the first oil cylinder support on the primary telescopic support, the second oil cylinder support comprises a U-shaped oil cylinder support plate with a downward opening and two parallel oil cylinder support side plates with the same size, the oil cylinder support side plates are fixedly connected with the outer wall of the non-opening end of the U-shaped oil cylinder support plate, the oil cylinder support side plates are connected with the U-shaped oil cylinder support plate to form a U-shaped groove with an upward opening and a U-shaped groove with a downward opening, and shaft pin holes are correspondingly arranged on the side wall of the U-shaped oil cylinder support plate; still be equipped with the flexible hydro-cylinder of second parallelly between one-level telescopic bracket roof and the first telescopic cylinder in the one-level telescopic bracket, still be equipped with the flexible support of second level parallelly between the flexible hydro-cylinder of second and the one-level telescopic bracket roof, the flexible hydro-cylinder of second is close to in the one end of second hydro-cylinder support extends to the decurrent U-shaped recess of second hydro-cylinder support opening, the flexible hydro-cylinder of second runs through the axle pin hole on the second hydro-cylinder support through the pivot and is connected with second hydro-cylinder support axle pin formula, the flexible hydro-cylinder other end of second and second telescopic bracket fixed connection, the flexible support of second level can extend to in the ascending U-shaped recess of second hydro-cylinder support opening, the flexible support of second level can be accomplished along.
2. The telescopic cylinder support device of a long boom pump truck according to claim 1, characterized in that: the first oil cylinder support plate and the second oil cylinder support plate are correspondingly provided with the kidney-shaped holes, the kidney-shaped holes can realize quick and accurate positioning of the second oil cylinder support, and the installation efficiency is improved.
3. The telescopic cylinder support device of a long boom pump truck according to claim 1 or 2, characterized in that: when the telescopic oil cylinder supporting device of the long-boom pump truck is installed, the width of the first oil cylinder supporting plate is larger than that of the second oil cylinder supporting plate, the length of the first-stage telescopic bracket extending into the U-shaped groove with the upward opening of the first oil cylinder supporting seat is visible, and the installation position of the first oil cylinder supporting seat is determined according to the length of the first-stage telescopic bracket extending into the U-shaped groove with the upward opening of the first oil cylinder supporting seat; the length of the second-stage telescopic support extending into the U-shaped groove with the upward opening of the second oil cylinder support is the length of the second oil cylinder support received into the oil cylinder support gap of the first oil cylinder support, the second oil cylinder support can be seen through the waist-shaped hole in the first oil cylinder support, and the mounting position of the second oil cylinder support is determined according to the lengths of the second-stage telescopic support and the second oil cylinder support which pass through the waist-shaped hole; when the related telescopic oil cylinder supporting device of the long-boom pump truck is in a contraction state, the tail end of the secondary telescopic support is accommodated in the U-shaped groove with the upward opening of the second oil cylinder support, the second oil cylinder support is accommodated in the oil cylinder support notch of the first oil cylinder support, and the primary telescopic support is accommodated in the U-shaped groove with the upward opening of the first oil cylinder support; when the telescopic oil cylinder supporting device of the long-boom pump truck works, the first telescopic oil cylinder can be independently driven to expand the first-stage telescopic bracket in the supporting table or the second telescopic oil cylinder can be independently driven to expand the second-stage telescopic bracket in the first-stage telescopic bracket according to the required length, or the first telescopic bracket and the second telescopic bracket can be respectively expanded in the supporting table and the first-stage telescopic bracket by simultaneously driving the first telescopic oil cylinder and the second telescopic oil cylinder; when the first telescopic oil cylinder is driven independently to expand the first-stage telescopic support, the second telescopic oil cylinder and the second-stage telescopic support can stretch along with the first-stage telescopic support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318832.2A CN111156223A (en) | 2018-11-07 | 2018-11-07 | Telescopic oil cylinder supporting device of long-boom pump truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811318832.2A CN111156223A (en) | 2018-11-07 | 2018-11-07 | Telescopic oil cylinder supporting device of long-boom pump truck |
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| CN111156223A true CN111156223A (en) | 2020-05-15 |
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|---|---|---|---|---|
| JP2009084054A (en) * | 2007-09-10 | 2009-04-23 | Kobelco Cranes Co Ltd | Telescopic boom |
| CN103527558A (en) * | 2013-10-09 | 2014-01-22 | 三一汽车制造有限公司 | Telescopic cylinder supporting device and engineering machine |
| CN104563519A (en) * | 2015-01-09 | 2015-04-29 | 湖南五新重型装备有限公司 | Jib of concrete ejecting machine |
| CN205206341U (en) * | 2015-08-31 | 2016-05-04 | 青岛九合重工机械有限公司 | Leg structure behind cantilever type pump truck bilayer |
| CN106495065A (en) * | 2016-12-15 | 2017-03-15 | 徐工消防安全装备有限公司 | A kind of self-balancing extension means for duplex type rope |
| CN208982403U (en) * | 2018-11-07 | 2019-06-14 | 青岛九合重工机械有限公司 | A kind of long arm support pump truck telescopic oil cylinder support device |
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2018
- 2018-11-07 CN CN201811318832.2A patent/CN111156223A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009084054A (en) * | 2007-09-10 | 2009-04-23 | Kobelco Cranes Co Ltd | Telescopic boom |
| CN103527558A (en) * | 2013-10-09 | 2014-01-22 | 三一汽车制造有限公司 | Telescopic cylinder supporting device and engineering machine |
| CN104563519A (en) * | 2015-01-09 | 2015-04-29 | 湖南五新重型装备有限公司 | Jib of concrete ejecting machine |
| CN205206341U (en) * | 2015-08-31 | 2016-05-04 | 青岛九合重工机械有限公司 | Leg structure behind cantilever type pump truck bilayer |
| CN106495065A (en) * | 2016-12-15 | 2017-03-15 | 徐工消防安全装备有限公司 | A kind of self-balancing extension means for duplex type rope |
| CN208982403U (en) * | 2018-11-07 | 2019-06-14 | 青岛九合重工机械有限公司 | A kind of long arm support pump truck telescopic oil cylinder support device |
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