CN109056476B - Self-controllable clamp and kerbstone laying platform used by same - Google Patents
Self-controllable clamp and kerbstone laying platform used by same Download PDFInfo
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- CN109056476B CN109056476B CN201811001930.3A CN201811001930A CN109056476B CN 109056476 B CN109056476 B CN 109056476B CN 201811001930 A CN201811001930 A CN 201811001930A CN 109056476 B CN109056476 B CN 109056476B
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- arc part
- fixed pulley
- elliptical wheel
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- self
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/52—Apparatus for laying individual preformed surfacing elements, e.g. kerbstones
- E01C19/522—Apparatus for laying the elements by rolling or unfolding, e.g. for temporary pavings
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a self-controllable clamp and a curb laying platform used by the same, wherein an elliptical wheel driving device in the clamp comprises shaft sleeves and elliptical wheels, the shaft sleeves are respectively connected on rubber sheets in a one-to-one correspondence manner, the long axis end of each elliptical wheel is embedded on the shaft sleeves and can slide along the circumferential direction of the shaft sleeves, a first arc part and a second arc part are arranged in each elliptical wheel along the long axis direction of the elliptical wheel, the first arc part and the second arc part are symmetrical along the center of the axis of the elliptical wheel, a third arc part and a fourth arc part are arranged in each elliptical wheel along the short axis direction of the elliptical wheel, the third arc part and the fourth arc part are symmetrical along the center of the axis of the elliptical wheel, and the first arc part, the third arc part, the second arc part and the fourth arc part are sequentially connected through the arc parts to form a through groove. In the automatic control type clamp provided by the invention, the friction force of the rubber sheet during clamping the material is changed by changing the stroke consumption degree of the rope consumed by the elliptical wheel, so that the material is clamped and released.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a self-controllable clamp and a curb laying platform used by the same.
Background
In road construction engineering, the pavement of the kerbstone is an indispensable ring, the kerbstone is usually stacked at intervals of dozens of meters by using a forklift in the prior construction, and then is carried in place manually, so that the labor intensity is high, and the work efficiency is low.
Disclosure of Invention
Aiming at the problems existing in the existing kerbstone laying, the automatic control type clamp which is simple and convenient to operate, high in cost-effectiveness ratio and high in applicability and the kerbstone laying platform used by the same are provided.
The specific technical scheme is as follows:
a first aspect of the present invention provides a self-controllable clamp having the features comprising:
the top of the hanging beam is connected with one end of the main cable;
the counterweight beam is provided with a first fixed pulley, a second fixed pulley and a third fixed pulley, the first fixed pulley is arranged at the top of the counterweight beam, and the second fixed pulley and the third fixed pulley are oppositely arranged on the side walls of two sides of the counterweight beam;
the rubber sheet is arranged on the two connecting rods, the longitudinal section of the rubber sheet is in an inverted right-angle trapezoid shape, and the right-angle edge of the rubber sheet is rotationally connected to the connecting rods through a reset mechanism;
the elliptical wheel driving device comprises a shaft sleeve and an elliptical wheel, the shaft sleeve is connected to the rubber sheet in a one-to-one correspondence mode, the long axis end of the elliptical wheel is embedded in the shaft sleeve and can slide along the circumferential direction of the shaft sleeve, a first arc part and a second arc part are arranged in the elliptical wheel along the long axis direction of the elliptical wheel, the first arc part and the second arc part are symmetrical along the axis center of the elliptical wheel, a third arc part and a fourth arc part are arranged in the elliptical wheel along the short axis direction of the elliptical wheel, the third arc part and the fourth arc part are symmetrical along the axis center of the elliptical wheel, and the first arc part, the third arc part, the second arc part and the fourth arc part are connected in sequence through the cutting parts to form a through groove;
one end of the first connecting cable is connected to one side of the bottom of the hanging beam, the other end of the first connecting cable extends and sequentially bypasses the first fixed pulley and the third fixed pulley to be connected with one end of the first forking cable, and the other end of the first forking cable is respectively connected with two ends of the pin shaft positioned in one of the through grooves; and
and one end of the second connecting cable is connected to the other side of the bottom of the hanging beam, the other end of the second connecting cable extends and sequentially bypasses the first fixed pulley and the second fixed pulley to be connected with one end of a second forked cable, and the other end of the second forked cable is respectively connected with two ends of a pin shaft positioned in the other elliptical wheel.
The self-controllable clamp is characterized in that the inner wall of the shaft sleeve is provided with a slide rail along the circumferential direction, and the long shaft end of the elliptical wheel is embedded in the slide rail and can slide along the slide rail.
The self-control type clamp is further characterized in that the first arc part, the second arc part, the third arc part and the fourth arc part are respectively provided with a spring piece, and the bottom of each spring piece is connected to the elliptic wheel through a connecting spring.
A second aspect of the invention provides a curb laying platform having the features of the above self-controllable clamp, further comprising:
a loading vehicle for loading the curb; and
platform truck, the load wagon pass through the hinge card detachable connect in the platform truck on, be equipped with the lifting rod on the platform truck, the lifting rod passes through the pole setting and connects on the platform truck, and the one end of lifting rod is equipped with the balancing weight, and its other end is connected with the other end of main rope.
The curb laying platform is further characterized in that the lifting rod is provided with a semi-annular handrail for manually operating the lifting rod.
The curb laying platform is characterized in that the platform truck is provided with a plug port for plugging redundant equipment.
The beneficial effect of above-mentioned scheme is:
in the automatic control type clamp provided by the invention, the friction force of the rubber sheet during clamping the material is changed by changing the stroke consumption degree of the rope consumed by the elliptical wheel, so that the material is clamped and released. The self-controllable clamp and the kerbstone laying platform used by the same have the advantages of simple structure and functional use.
Drawings
Fig. 1 is a schematic front view of a self-control type clamp according to an embodiment of the present invention;
fig. 2 is a schematic structural view of an elliptical wheel drive apparatus provided in an embodiment of the present invention;
FIG. 3 is a schematic view of a first motion state of the elliptical wheel in an embodiment of the present invention;
FIG. 4 is a schematic view of a second state of motion of the elliptical wheel in an embodiment of the present invention;
fig. 5 is a schematic top view of the curb laying platform according to the embodiment of the present invention.
In the drawings: 1. a hanging beam; 2. a main rope; 3. a counterweight beam; 31. a first fixed pulley; 32. a second fixed pulley; 33. a third fixed pulley; 4. a connecting rod; 41. a rubber sheet; 5. an elliptical wheel drive; 51. a shaft sleeve; 511. a slide rail; 52. an elliptical wheel; 521. a first curved portion; 522. a second curved portion; 523. a third arc portion; 524. a fourth arc portion; 525. a wire cutting section; 526; a through groove; 527; a pin shaft; 6. a first connecting cable; 7. a first furcated cable; 8. a second connecting cable; 9. a spring plate; 10. a loading vehicle; 11. a platform truck; 12. lifting a pull rod; 13. erecting a rod; 14. a balancing weight; 15. a handrail; 16. an interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Fig. 1 is a schematic front view of a self-control type clamp according to an embodiment of the present invention; fig. 2 is a schematic structural view of an elliptical wheel drive apparatus provided in an embodiment of the present invention. As shown in fig. 1 and 2, the present invention provides a self-controllable clamp, comprising: the top of the hanging beam 1 is connected with one end of a main cable 2; the counterweight beam 3 is provided with a first fixed pulley 31, a second fixed pulley 32 and a third fixed pulley 33, the first fixed pulley 31 is arranged at the top of the counterweight beam 3, and the second fixed pulley 32 and the third fixed pulley 33 are oppositely arranged on the side walls of two sides of the counterweight beam 3; the two connecting rods 4 are oppositely arranged at the bottom of the counterweight beam 3, the rubber sheets 41 are respectively arranged on the connecting rods 4, the longitudinal sections of the rubber sheets 41 are in an inverted right-angle trapezoid shape, and the right-angle sides of the rubber sheets 41 are rotatably connected onto the connecting rods 4 through a resetting mechanism; the elliptical wheel driving devices 5 comprise shaft sleeves 51 and elliptical wheels 52, the shaft sleeves 51 are respectively connected to the rubber sheets 41 in a one-to-one correspondence manner, a sliding rail 511 is arranged on the inner wall of each shaft sleeve 51 along the circumferential direction of the shaft sleeve 51, the long-axis end of each elliptical wheel 52 is embedded in the sliding rail 511 and can slide along the sliding rail 511, in the embodiment, a first arc portion 521 and a second arc portion 522 are arranged in each elliptical wheel 52 along the long-axis direction of each elliptical wheel, the first arc portion 521 and the second arc portion 522 are symmetrical along the center of the shaft center of the elliptical wheel 52, a third arc portion 523 and a fourth arc portion 524 are arranged in each elliptical wheel 52 along the short-axis direction of each elliptical wheel, the third arc portion 523 and the fourth arc portion 524 are symmetrical along the center of the shaft center of the elliptical wheel 52, and the first arc portion 521, the third arc portion 523, the second arc portion 522 and the fourth arc portion 524 are sequentially; one end of the first connecting cable 6 is connected to one side of the bottom of the hanging beam 1, the other end of the first connecting cable 6 extends, sequentially bypasses the fixed pulley 31 and the third fixed pulley 33 and then is connected with one end of a first forking cable 7, and the other end of the first forking cable 7 is respectively connected with two ends of a pin 527 positioned in one of the through grooves 526; and a second connecting cable 8, one end of the second connecting cable 8 is connected to the other side of the bottom of the hanging beam 1, the other end of the second connecting cable 8 extends and sequentially passes through the first fixed pulley 31 and the second fixed pulley 32 to be connected with one end of a second bifurcation cable, and the other end of the second bifurcation cable is respectively connected with two ends of a pin 527 positioned in the other elliptical wheel 52.
In the present invention, the first arc portion 521, the second arc portion 522, the third arc portion 523 and the fourth arc portion 523 can be fitted to form an elliptical structure concentric with the elliptical wheel 52, and one end of the arc portions is respectively intersected with the corresponding major axis or minor axis of the elliptical wheel 52, and the intersection point is used as one end of the arc portion.
In the self-controllable clamp provided by the invention, when the material is hoisted downwards to a designated place, the bottom of the connecting rod 4 is grounded, the counterweight beam 3 moves upwards relatively under the action of the ground supporting force, the main cable 2, the connecting cable and the branched cable are loosened relatively, so that the friction force of the two opposite rubber sheets 41 on the material clamped between the rubber sheets 41 is reduced and is smaller than the self weight of the material, and the material is released, and the cable slides out of the third arc part 523 under the action of gravity relative to the loosening pin 527 and slides to and stays on the tangent part 525; when the clamp used for releasing the materials is lifted upwards, the counterweight beam 3 moves downwards relatively due to the disappearance of the ground supporting force, the pin 527 can slide continuously and enters the second arc part 522, the elliptic wheels 52 rotate around the shaft sleeve 51 under the traction action of the cable and the pin 527 due to the limiting action of the second arc part 522 on the pin 527, and a state shown in fig. 4 is formed, at the moment, the second arc part 522 in one elliptic wheel 52 is relatively close to the second fixed pulley 32 (correspondingly, the second arc part 522 in the other elliptic wheel 52 is relatively close to the third fixed pulley 33); when the clamp is lifted downwards to the upper side of the material and the connecting rod 4 is positioned at both sides of the material, the bottom of the connecting rod 4 is grounded, the counterweight beam 3 moves upwards relatively again due to the action of the ground supporting force, the main cable 2, the connecting cable and the branched cable are relatively loose, the pin 527 slides out of the second arc part 522 under the action of gravity and slides towards and stays on the tangent line part 525, when the clamp is lifted slowly and upwards, the counterweight beam 3 moves downwards slowly due to the gradual disappearance of the ground supporting force, the pin 527 can slide continuously and enters the fourth arc part 524, due to the limiting action of the fourth arc part 524 on the pin 527, the elliptical wheels 52 can rotate around the shaft sleeve 51 under the traction action of the cable and the pin 527 and form the state shown in fig. 3, at the moment, the fourth arc part 524 in one of the elliptical wheels 52 is relatively close to the second fixed pulley 32 (correspondingly, the fourth arc part 524 in the other elliptical wheel 52 is relatively close to the third fixed pulley 33), at the moment, the elliptical wheel 52 consumes less cable stroke, so that the cable is relatively tensioned and pulls the rubber sheet 41 outwards, the inclined edge of the cable rotates to be vertical, the rubber sheet 41 can provide larger friction force, when the friction force is larger than the self weight of the material, the clamp can clamp the material and lift the material into the air, and the process is repeated in a circulating manner, so that the automatic control of the clamp is realized.
In the self-control clamp provided by the invention, the inclined state of the inclined edge of the rubber sheet 41 is dragged and changed by changing the consumption degree of the rope stroke of the elliptical wheel 52, when a pin 527 in the elliptical wheel 52 enters the third curve part 523 or the fourth curve part 524, less rope stroke is consumed, the rubber sheet 41 is rotated to be in a vertical state by the dragging inclined edge, the friction force of the rubber sheet 41 for clamping materials is greater than the self weight of the materials, and the materials can be clamped and lifted; when the pin 527 in the elliptical wheel 52 enters the first curve part 521 or the second curve part 522, a large amount of cable travel is consumed, the rubber sheets 41 rotate to reset under the action of the reset mechanism, at the moment, the inclined edges of the two rubber sheets 41 are in a splayed structure with a narrow top and a wide bottom, and materials can be separated from the rubber sheets 41 and released.
In a further embodiment, in order to facilitate the pin 527 to slide out of the arc part more smoothly, the first arc part 521, the second arc part 522, the third arc part 523 and the fourth arc part 524 are respectively provided with a spring piece 9, the bottom of the spring piece 9 is connected to the elliptical wheel 52 through a connecting spring, in this embodiment, when the pin 527 slides into the arc part, the pin 527 presses the spring piece 9 downwards, and when the pin 527 slides out of the arc part, the pin 527 can smoothly slide out of the arc part under the combined action of the elastic force of the spring piece 9 and the self gravity of the pin 527.
Fig. 5 is a schematic top view of the curb laying platform according to the embodiment of the present invention. As shown in fig. 5, the platform for paving a curb according to the embodiment of the present invention includes the above-mentioned self-controllable fixture, a loading cart 10 for loading the curb, and a platform cart 11, wherein the loading cart 10 is detachably connected to the platform cart 11 through a hinge clip, the platform cart 11 is provided with a lifting rod 12, the lifting rod 12 is connected to the platform cart 11 through an upright rod 13, and one end of the lifting rod 12 is provided with a counter weight 14, and the other end thereof is connected to the other end of the main rope 2.
In the embodiment, an operator can lift the clamp at the other end of the lifting rod 12 by using a lever principle.
Further, the semi-annular handrail 15 for manually operating the lifting rod 12 is arranged on the lifting rod 12 in the laying platform provided by the embodiment, and an operator can better press down or lift up the lifting rod 12 by using the handrail 15, so that the lifting operation of the clamp is realized.
Further, the platform truck 11 of the laying platform provided by this embodiment is provided with a socket 16 for plugging a redundant device, and the socket 16 in this embodiment can be used for plugging a sun-shading fan, etc., so as to provide a better operating environment for an operator.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (6)
1. A self-controllable clamp, comprising:
the top of the hanging beam (1) is connected with one end of the main cable (2);
the counterweight beam (3) is provided with a first fixed pulley (31), a second fixed pulley (32) and a third fixed pulley (33), the first fixed pulley (31) is arranged at the top of the counterweight beam (3), and the second fixed pulley (32) and the third fixed pulley (33) are oppositely arranged on the side walls of two sides of the counterweight beam (3);
the rubber sheet (41) is arranged on each of the two connecting rods (4), the longitudinal section of each rubber sheet (41) is in an inverted right-angle trapezoid shape, and the right-angle edge of each rubber sheet (41) is rotatably connected to the corresponding connecting rod (4) through a reset mechanism;
the rubber sheet (5), the long axis end of the oval wheel (52) is embedded in the shaft sleeve (51) and can slide along the annular direction of the shaft sleeve (51), in the oval wheel (52), a first arc portion (521) and a second arc portion (522) are arranged along the center of the axis of the oval wheel (52) and are symmetrical, in the oval wheel (52), in the short axis direction of the oval wheel, a third arc portion (523) and a fourth arc portion (524) are arranged, in the third arc portion (523) and the fourth arc portion (524) are symmetrical along the center of the axis of the oval wheel (52), and the first arc portion (521), The third arc part (523), the second arc part (522) and the fourth arc part (524) are connected in sequence through a tangent part (525) to form a through groove (526);
one end of the first connecting cable (6) is connected to one side of the bottom of the hanging beam (1), the other end of the first connecting cable (6) extends and sequentially passes through the first fixed pulley (31) and the third fixed pulley (33) to be connected with one end of a first forking cable (7), and the other end of the first forking cable (7) is connected with two ends of a pin shaft (527) in one of the through grooves (526); and
second connecting cable rope (8), the one end of second connecting cable rope (8) connect in the opposite side of hanging beam (1) bottom, the other end of second connecting cable rope (8) extends and walks around in proper order first fixed pulley (31), be connected with the one end of second bifurcation hawser behind second fixed pulley (32), the other end of second bifurcation hawser with be located another the both ends of round pin axle (527) in logical groove (526) are connected.
2. The self-controllable clamp according to claim 1, wherein said bushing (51) has a sliding rail (511) on its inner wall in the circumferential direction, and the elliptical wheel (52) has its major axis end embedded in said sliding rail (511) and capable of sliding along said sliding rail (511).
3. A clamp with self-controlled profile according to claim 1 or 2, characterised in that said first (521), said second (522), said third (523) and said fourth (524) curves are provided with spring blades (9), the bottom of said spring blades (9) being connected to said oval wheel (52) by means of connecting springs.
4. A curb laying platform comprising the self-controllable clamp of any of claims 1-3, further comprising:
a loading wagon (10) for loading curb stones; and
platform truck (11), load wagon (10) pass through the detachable connection in of hinge card on platform truck (11), be equipped with on platform truck (11) and carry pull rod (12), carry pull rod (12) through pole setting (13) connect in on platform truck (11), just the one end of carrying pull rod (12) is equipped with balancing weight (14), its other end with the other end of main rope (2) is connected.
5. A platform as claimed in claim 4, characterised in that the lifting rod (12) is provided with a semi-annular handrail (15) for manual operation of the lifting rod (12).
6. A kerbstone laying platform according to claim 4 or 5, wherein the platform truck (11) is provided with a socket (16) for plugging redundant equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001930.3A CN109056476B (en) | 2018-08-30 | 2018-08-30 | Self-controllable clamp and kerbstone laying platform used by same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811001930.3A CN109056476B (en) | 2018-08-30 | 2018-08-30 | Self-controllable clamp and kerbstone laying platform used by same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109056476A CN109056476A (en) | 2018-12-21 |
| CN109056476B true CN109056476B (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811001930.3A Active CN109056476B (en) | 2018-08-30 | 2018-08-30 | Self-controllable clamp and kerbstone laying platform used by same |
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| Country | Link |
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| CN (1) | CN109056476B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109969936B (en) * | 2019-04-28 | 2024-02-09 | 中国科学院海洋研究所 | Oscillation stopping device for distribution and recovery process of marine underwater investigation equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2554101A1 (en) * | 1983-10-26 | 1985-05-03 | Cogema | AUTOSERRANTE CLAMP WITH BLOCKING SAFETY FOR TRANSPORTING A LOAD |
| US6331025B1 (en) * | 2000-07-12 | 2001-12-18 | William E. Douglas | Barrier lifter |
| CN101222986A (en) * | 2005-07-11 | 2008-07-16 | 威尔逊模具国际公司 | Press brake tool holder incorporating tool-seating mechanism |
| CN101397114A (en) * | 2007-09-26 | 2009-04-01 | 中国科学院自动化研究所 | Orthogonal horizontal automatic adjusting sling and method |
| CN102528686A (en) * | 2010-12-15 | 2012-07-04 | 杭州巨星科技股份有限公司 | Spring clip |
| CN106185614A (en) * | 2016-08-30 | 2016-12-07 | 广西强强碳素股份有限公司 | A kind of clamp for carbon block |
-
2018
- 2018-08-30 CN CN201811001930.3A patent/CN109056476B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2554101A1 (en) * | 1983-10-26 | 1985-05-03 | Cogema | AUTOSERRANTE CLAMP WITH BLOCKING SAFETY FOR TRANSPORTING A LOAD |
| US6331025B1 (en) * | 2000-07-12 | 2001-12-18 | William E. Douglas | Barrier lifter |
| CN101222986A (en) * | 2005-07-11 | 2008-07-16 | 威尔逊模具国际公司 | Press brake tool holder incorporating tool-seating mechanism |
| CN101397114A (en) * | 2007-09-26 | 2009-04-01 | 中国科学院自动化研究所 | Orthogonal horizontal automatic adjusting sling and method |
| CN102528686A (en) * | 2010-12-15 | 2012-07-04 | 杭州巨星科技股份有限公司 | Spring clip |
| CN106185614A (en) * | 2016-08-30 | 2016-12-07 | 广西强强碳素股份有限公司 | A kind of clamp for carbon block |
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| Publication number | Publication date |
|---|---|
| CN109056476A (en) | 2018-12-21 |
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