CN211673364U - Three-chute two-stage transmission vertical lifting structure - Google Patents
Three-chute two-stage transmission vertical lifting structure Download PDFInfo
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- CN211673364U CN211673364U CN201921821119.XU CN201921821119U CN211673364U CN 211673364 U CN211673364 U CN 211673364U CN 201921821119 U CN201921821119 U CN 201921821119U CN 211673364 U CN211673364 U CN 211673364U
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Abstract
The invention provides a three-chute two-stage transmission vertical lifting structure, wherein the front side and the rear side of the bottom end of a bed frame are respectively provided with a second bed frame chute, and the front side and the rear side of a base are respectively provided with a base chute; the first supporting lifting mechanism at least comprises a first supporting frame, the left end of the first supporting frame is rotatably arranged on the left side of the base through a pin shaft seat, the right end of the first supporting frame is arranged in a chute of the second bed frame through a pin shaft and a first mounting bearing wheel at the end part, and the front side and the rear side of the first supporting frame are also provided with first chutes; the second supporting and lifting mechanism at least comprises a second supporting frame, the two sides of the right end of the second supporting frame are respectively installed in the base sliding groove through a pin shaft and a seventh installation bearing wheel at the end part, the left end of the second supporting frame is installed in the second bed frame sliding groove through a pin shaft and a fourth installation bearing wheel at the end part, and second sliding grooves are further formed in the front side and the rear side of the second supporting frame. The invention can realize the purpose of vertical lifting of the bed frame through the two-stage transmission of the first supporting lifting mechanism and the second supporting lifting mechanism.
Description
Technical Field
The invention relates to a three-chute two-stage transmission vertical lifting structure.
Background
The existing lifting structure has the defects of poor bearing capacity, large component deformation, large machine body vibration, poor running stability, high pressure value of a hydraulic system and the like in the working process, and is limited in practical application; and it is difficult to control the lifting structure to perform a completely vertical lifting motion.
Disclosure of Invention
In order to solve the problems, the invention provides a three-chute two-stage transmission vertical lifting structure, and the purpose of vertical lifting of a bed frame can be realized through two-stage transmission of a first supporting lifting mechanism and a second supporting lifting mechanism.
The technical scheme of the invention is realized as follows:
a three-chute two-stage transmission vertical lifting structure comprises a first supporting lifting mechanism and a second supporting lifting mechanism which are symmetrically arranged and connected between a bed frame 1 and a base 2, wherein the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a second bed frame chute 4, and the front side and the rear side of the base 2 are respectively provided with a base chute 5;
the first supporting lifting mechanism at least comprises a first supporting frame 81, the left end of the first supporting frame 81 is rotatably arranged on the left side of the base 2 through a pin shaft seat, the right end of the first supporting frame 81 is arranged in the second bed frame sliding groove 4 through a pin shaft and a first mounting bearing wheel 91 at the end part, and the front side and the rear side of the first supporting frame 81 are also provided with first sliding grooves 71;
the second supporting and lifting mechanism at least comprises a second supporting frame 82, two sides of the right end of the second supporting frame 82 are respectively installed in the base sliding groove 5 through a pin shaft and an end portion seventh installation bearing wheel 10, the left end of the second supporting frame 82 is installed in the second bed frame sliding groove 4 through a pin shaft and an end portion fourth installation bearing wheel 92, and second sliding grooves 72 are further formed in the front side and the rear side of the second supporting frame 82.
Preferably, the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a parallel first bed frame sliding chute 3, and one end of each of the two first connecting rods 31 is rotatably mounted on the front side and the rear side of the left end of the bed frame 1 through a pin shaft seat; one end of each of the two second connecting rods 41 is correspondingly installed in the first bed frame sliding groove 3 through a pin shaft and a second installation bearing wheel 121 at the end part; one end of each of the two third connecting rods 61 is correspondingly arranged in the two first sliding grooves 71 through a pin shaft and a third mounting bearing wheel 111 at the end part, and a first connecting frame 131 is arranged between the two third connecting rods 61;
the other ends of the two second connecting rods 41 are rotatably mounted on a pin shaft and a pin shaft of the second mounting bearing wheel 121 at the end part, the other end of the first connecting rod 31 is rotatably mounted on the second connecting rod 41 through the pin shaft, and the other end of the second connecting rod 41 is rotatably mounted on the first support frame 81 through the pin shaft; the bed frame 1 is rotatably provided with a first electric telescopic rod 51 through a pin shaft seat, and the telescopic end of the first electric telescopic rod 51 is rotatably arranged on the first connecting frame 131 through the pin shaft seat.
Preferably, the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a parallel first bed frame sliding chute 3, and one end of each of the two fourth connecting rods 32 is rotatably mounted on the front side and the rear side of the left end of the bed frame 1 through a pin shaft seat; one end of each of the two fifth connecting rods 42 is correspondingly installed in the first bed frame sliding chute 3 through a pin shaft and a fifth installation bearing wheel 122 at the end part; one end of each of the two sixth connecting rods 62 is correspondingly installed in the two second sliding grooves 72 through a pin shaft and a sixth installation bearing wheel 112 at the end part, and a second connecting frame 132 is arranged between the two sixth connecting rods 62;
the other ends of the two fifth connecting rods 42 are rotatably mounted on a pin shaft and a pin shaft of the fifth mounting bearing wheel 122 at the end part, the other end of the fourth connecting rod 32 is rotatably mounted on the fifth connecting rod 42 through the pin shaft, and the other end of the fifth connecting rod 42 is rotatably mounted on the second supporting frame 82 through the pin shaft; the bed frame 1 is rotatably provided with a second electric telescopic rod 52 through a pin shaft seat, and the telescopic end of the second electric telescopic rod 52 is rotatably provided with a second connecting frame 132 through a pin shaft seat.
Preferably, the first sliding slot 71 and the second sliding slot 72 are both U-shaped and open towards one end away from the base 2.
Preferably, the first electric telescopic rod 51 is positioned at the right side of the bed frame, and the telescopic end faces to the left side, and the second electric telescopic rod 52 is positioned at the left side of the bed frame, and the telescopic end faces to the right side.
The invention has the following beneficial effects: through the telescopic motion of the two electric telescopic rods, the third connecting rod and the sixth connecting rod are respectively pushed towards two ends, so that the second connecting rod and the fifth connecting rod move towards opposite directions in the first bed frame sliding groove, the third connecting rod and the sixth connecting rod also respectively slide in the first sliding groove and the second sliding groove, the first supporting frame and the second supporting frame are driven to respectively rotate around the pin shaft seats to be in a lifting state, and the purpose of primary transmission lifting is achieved; then, one end of the first support frame rotates around the pin shaft seat on the base, the other end of the first support frame slides towards the left (namely the direction of the tail of the illustrated bed) in the chute of the second bed frame, the other end of the sixth connecting rod cannot slide (reaches the limit bottom) in the first chute, so that the second support frame is driven to slide towards the direction of the tail of the bed in the chute of the base, and the end connected with the chute of the second bed frame slides towards the bed head to form second-stage transmission lifting. The whole lifting process realizes vertical two-stage transmission, and the lifting stability and the lifting verticality are ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded view of the structure of the present invention.
Fig. 2 is a schematic view of the present invention when it is lowered to the minimum.
Fig. 3 is a schematic view of the present invention in a first gear step up.
Fig. 4 is a schematic illustration of the present invention in a two-stage transmission ascent.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood 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.
As shown in fig. 1-5, a three-chute two-stage transmission vertical lifting structure comprises a first supporting lifting mechanism and a second supporting lifting mechanism which are symmetrically arranged and connected between a bed frame 1 and a base 2, wherein the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a second bed frame chute 4, and the front side and the rear side of the base 2 are respectively provided with a base chute 5; the first supporting lifting mechanism at least comprises a first supporting frame 81, the left end of the first supporting frame 81 is rotatably arranged on the left side of the base 2 through a pin shaft seat, the right end of the first supporting frame 81 is arranged in the second bed frame sliding groove 4 through a pin shaft and a first mounting bearing wheel 91 at the end part, and the front side and the rear side of the first supporting frame 81 are also provided with first sliding grooves 71; the second supporting and lifting mechanism at least comprises a second supporting frame 82, two sides of the right end of the second supporting frame 82 are respectively installed in the base sliding groove 5 through a pin shaft and an end portion seventh installation bearing wheel 10, the left end of the second supporting frame 82 is installed in the second bed frame sliding groove 4 through a pin shaft and an end portion fourth installation bearing wheel 92, and second sliding grooves 72 are further formed in the front side and the rear side of the second supporting frame 82.
In this embodiment, the front side and the rear side of the bottom end of the bed frame 1 are respectively provided with a parallel first bed frame sliding chute 3, and one end of each of the two first connecting rods 31 is rotatably mounted on the front side and the rear side of the left end of the bed frame 1 through a pin shaft seat; one end of each of the two second connecting rods 41 is correspondingly installed in the first bed frame sliding groove 3 through a pin shaft and a second installation bearing wheel 121 at the end part; one end of each of the two third connecting rods 61 is correspondingly arranged in the two first sliding grooves 71 through a pin shaft and a third mounting bearing wheel 111 at the end part, and a first connecting frame 131 is arranged between the two third connecting rods 61;
the other ends of the two second connecting rods 41 are rotatably mounted on a pin shaft and a pin shaft of the second mounting bearing wheel 121 at the end part, the other end of the first connecting rod 31 is rotatably mounted on the second connecting rod 41 through the pin shaft, and the other end of the second connecting rod 41 is rotatably mounted on the first support frame 81 through the pin shaft; the bed frame 1 is rotatably provided with a first electric telescopic rod 51 through a pin shaft seat, and the telescopic end of the first electric telescopic rod 51 is rotatably arranged on the first connecting frame 131 through the pin shaft seat.
In this embodiment, the front and rear sides of the bottom end of the bed frame 1 are respectively provided with a parallel first bed frame sliding chute 3, and one end of each of the two fourth connecting rods 32 is rotatably mounted on the front and rear sides of the left end of the bed frame 1 through a pin shaft seat; one end of each of the two fifth connecting rods 42 is correspondingly installed in the first bed frame sliding chute 3 through a pin shaft and a fifth installation bearing wheel 122 at the end part; one end of each of the two sixth connecting rods 62 is correspondingly installed in the two second sliding grooves 72 through a pin shaft and a sixth installation bearing wheel 112 at the end part, and a second connecting frame 132 is arranged between the two sixth connecting rods 62;
the other ends of the two fifth connecting rods 42 are rotatably mounted on a pin shaft and a pin shaft of the fifth mounting bearing wheel 122 at the end part, the other end of the fourth connecting rod 32 is rotatably mounted on the fifth connecting rod 42 through the pin shaft, and the other end of the fifth connecting rod 42 is rotatably mounted on the second supporting frame 82 through the pin shaft; the bed frame 1 is rotatably provided with a second electric telescopic rod 52 through a pin shaft seat, and the telescopic end of the second electric telescopic rod 52 is rotatably provided with a second connecting frame 132 through a pin shaft seat.
In the embodiment, the first sliding chute 71 and the second sliding chute 72 are both U-shaped, and the opening faces to one end far away from the base 2; the first electric telescopic rod 51 is positioned at the right side of the bed frame, the telescopic end faces the left side, and the second electric telescopic rod 52 is positioned at the left side of the bed frame, and the telescopic end faces the right side.
The invention has the following specific working states during working: when the lifting key of the whole bed is pressed, the first supporting lifting mechanism and the second supporting lifting mechanism respectively start the first-stage transmission.
In the first supporting and lifting mechanism, the telescopic end of the electric telescopic rod 51 extends out to push the second connecting rod 41 to move, and then the second connecting rod slides towards the bed tail direction in the first bed frame sliding groove 3 through the pin shaft and the second mounting bearing wheel 121 at the end part, and the pin shaft of the third connecting rod 61 and the third mounting bearing wheel 111 at the end part slide towards the bed tail direction in the first sliding groove 71 of the first supporting frame 81 (shown in the figure as downward sliding towards the bed tail); meanwhile, the left end of the first support frame 81 rotates at one end of the base 2, and the other end moves towards the direction of the bed tail on the second bed frame sliding groove 4 through a pin shaft and a first mounting bearing wheel 91 at the end part; at this time, the second supporting lifting mechanism has a similar motion relationship to the first supporting structure, and extends out towards the bedside direction through the telescopic end of the second electric telescopic rod 52, except that one end of the second supporting frame 82 in the base sliding groove 5 slides towards the bedside direction, and the other end slides towards the tailstock direction through the pin shaft and the end fourth mounting bearing wheel 92. Namely, the bed frame is driven to vertically ascend through the whole first supporting and lifting mechanism and the second supporting and lifting mechanism in the ascending and stretching postures, and the whole process forms the first-stage transmission vertical ascending.
When the whole bed continuously rises, the pin shaft of the third connecting rod 61 and the third mounting bearing wheel 111 at the end part in the first supporting mechanism slide to the tail end of the first sliding chute 71 and do not slide any more, the first supporting frame 81 slowly rises, and the pin shaft on the second connecting rod 41 and the second mounting bearing wheel 121 at the end part cannot slide in the sliding chute 3 of the first bed frame; similarly, the pin of the sixth connecting rod 62 and the sixth mounting bearing wheel 112 at the end of the second supporting mechanism slide to the end of the second sliding slot 72, and do not slide any more, the second supporting frame 82 slowly rises, and the pin of the fifth connecting rod 42 and the fifth mounting bearing wheel 122 at the end of the fifth connecting rod cannot slide in the first bed frame sliding slot 3, and then enter the second-stage transmission.
The whole bed continuously rises, the first support frame 81 is connected with the base part to rotate, the first support frame 81 is connected with the pin shaft of the second bed frame sliding chute 4, and the first mounting bearing wheel 91 at the end part rotates relatively and slides to the bed tail at the same time; meanwhile, the pin shaft of the second support frame 82 connected with the base chute 5 and the seventh mounting bearing wheel 10 at the end part rotate and slide towards the direction of the bed tail, the pin shaft connected with the second bed frame chute 4 and the fourth mounting bearing wheel 92 at the end part rotate relatively and slide towards the bed head at the same time, and the two chutes only slide until the whole bed rises to the maximum.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (5)
1. A three-chute two-stage transmission vertical lifting structure is characterized by comprising a first supporting lifting mechanism and a second supporting lifting mechanism which are symmetrically arranged and connected between a bed frame (1) and a base (2), wherein the front side and the rear side of the bottom end of the bed frame (1) are respectively provided with a second bed frame chute (4), and the front side and the rear side of the base (2) are respectively provided with a base chute (5);
the first supporting lifting mechanism at least comprises a first supporting frame (81), the left end of the first supporting frame (81) is rotatably installed on the left side of the base (2) through a pin shaft seat, the right end of the first supporting frame (81) is installed in the second bed frame sliding groove (4) through a pin shaft and a first installation bearing wheel (91) at the end part, and first sliding grooves (71) are further formed in the front side and the rear side of the first supporting frame (81);
the second supporting and lifting mechanism at least comprises a second supporting frame (82), the two sides of the right end of the second supporting frame (82) are respectively installed in the base sliding groove (5) through a pin shaft and a seventh installation bearing wheel (10) at the end part, the left end of the second supporting frame (82) is installed in the second bed frame sliding groove (4) through a pin shaft and a fourth installation bearing wheel (92) at the end part, and second sliding grooves (72) are further formed in the front side and the rear side of the second supporting frame (82).
2. A three-chute two-stage transmission vertical lifting structure as claimed in claim 1, wherein the front and rear sides of the bottom end of the bed frame (1) are respectively provided with a first bed frame chute (3) in parallel, and one end of each of the two first connecting rods (31) is rotatably mounted on the front and rear sides of the left end of the bed frame (1) through a pin shaft seat; one ends of the two second connecting rods (41) are correspondingly arranged in the first bed frame sliding groove (3) through a pin shaft and a second mounting bearing wheel (121) at the end part respectively; one ends of the two third connecting rods (61) are correspondingly arranged in the two first sliding grooves (71) through pin shafts and end part third mounting bearing wheels (111), and a first connecting frame (131) is arranged between the two third connecting rods (61);
the other ends of the two second connecting rods (41) are rotatably arranged on a pin shaft and a pin shaft of a second mounting bearing wheel (121) at the end part, the other end of the first connecting rod (31) is rotatably arranged on the second connecting rod (41) through the pin shaft, and the other end of the second connecting rod (41) is rotatably arranged on the first supporting frame (81) through the pin shaft; a first electric telescopic rod (51) is rotatably installed on the bed frame (1) through a pin shaft seat, and the telescopic end of the first electric telescopic rod (51) is rotatably installed on the first connecting frame (131) through the pin shaft seat.
3. A three-chute two-stage transmission vertical lifting structure as claimed in claim 2, wherein one end of each of the two fourth connecting rods (32) is rotatably mounted on the front and rear sides of the left end of the bed frame (1) through a pin shaft seat; one ends of the two fifth connecting rods (42) are respectively and correspondingly arranged in the first bed frame sliding groove (3) through a pin shaft and a fifth mounting bearing wheel (122) at the end part; one ends of the two sixth connecting rods (62) are correspondingly arranged in the two second sliding grooves (72) through pin shafts and sixth mounting bearing wheels (112) at the end parts respectively, and a second connecting frame (132) is arranged between the two sixth connecting rods (62);
the other ends of the two fifth connecting rods (42) are rotatably arranged on a pin shaft and a pin shaft of a fifth mounting bearing wheel (122) at the end part, the other end of the fourth connecting rod (32) is rotatably arranged on the fifth connecting rod (42) through the pin shaft, and the other end of the fifth connecting rod (42) is rotatably arranged on the second supporting frame (82) through the pin shaft; the bed frame (1) is rotatably provided with a second electric telescopic rod (52) through a pin shaft seat, and the telescopic end of the second electric telescopic rod (52) is rotatably arranged on the second connecting frame (132) through the pin shaft seat.
4. A three-runner two-stage driving vertical lift structure as recited in claim 1, wherein said first runner (71) and said second runner (72) are both U-shaped and open towards an end remote from said base (2).
5. A three-chute two-stage transmission vertical lifting structure as claimed in claim 3, wherein the first electric telescopic rod (51) is located at the right side of the bed frame with the telescopic end facing to the left side, and the second electric telescopic rod (52) is located at the left side of the bed frame with the telescopic end facing to the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821119.XU CN211673364U (en) | 2019-10-28 | 2019-10-28 | Three-chute two-stage transmission vertical lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921821119.XU CN211673364U (en) | 2019-10-28 | 2019-10-28 | Three-chute two-stage transmission vertical lifting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211673364U true CN211673364U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921821119.XU Active CN211673364U (en) | 2019-10-28 | 2019-10-28 | Three-chute two-stage transmission vertical lifting structure |
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| Country | Link |
|---|---|
| CN (1) | CN211673364U (en) |
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2019
- 2019-10-28 CN CN201921821119.XU patent/CN211673364U/en active Active
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