CN211971510U - Lifting appliance with dead-stop link mechanism - Google Patents
Lifting appliance with dead-stop link mechanism Download PDFInfo
- Publication number
- CN211971510U CN211971510U CN202020129422.XU CN202020129422U CN211971510U CN 211971510 U CN211971510 U CN 211971510U CN 202020129422 U CN202020129422 U CN 202020129422U CN 211971510 U CN211971510 U CN 211971510U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- block
- clamping arm
- rod
- connecting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model provides a hoist of link mechanism is kept off in area, including main part frame, bull stick, left connecting rod, right connecting rod, connecting block, left arm lock and right arm lock, both sides are fixed with first pedestal about the main part frame, and left connecting rod and right connecting rod are respectively through the pivot hub connection in the first pedestal on both sides, the left arm lock of lower extreme fixed connection of left connecting rod, the right arm lock of lower extreme fixed connection of right connecting rod, the intermediate position that is fixed in the connecting block is run through and can dismantle to the bull stick, and the one end of left connecting rod and the one end of right connecting rod are hub connection respectively in the both ends of connecting block, rotate the handle, drive the connecting block and rotate, and link mechanism drives left arm lock and right arm lock and opens or press. The utility model has the advantages of it is following: the operation by an operating personnel can, open the arm lock and can die by the automatic locking to a certain position that blocks firmly, prevent to forget the maloperation such as with fixed the arm lock, easily adjust, it is easy and simple to handle, save arm lock fixed knot structure, reduce cost lightens weight.
Description
Technical Field
The utility model belongs to the technical field of the frock welding, especially, relate to a hoist of link mechanism is kept off to area firmly.
Background
Ordinary connecting rod hoist, after opening the arm lock, in order to prevent that the arm lock from falling back, devices such as manual clamp or couple need be fixed with the arm lock, and the operation is complicated, also can forget the condition emergence of the maloperation of fixing the arm lock.
Disclosure of Invention
In view of this, the utility model aims at providing a hoist of link mechanism is kept off to area that dies can solve the problem that exists among the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a lifting appliance with a dead stop link mechanism comprises a main body frame, a rotating rod, a left connecting rod, a right connecting rod, a connecting block, a left clamping arm and a right clamping arm, the main part frame about both sides are fixed with first pedestal, left side connecting rod and right connecting rod are connected in the first pedestal on both sides through the pivot axle respectively, the left arm lock of lower extreme fixed connection of left side connecting rod, the right arm lock of lower extreme fixed connection of right connecting rod, the secondary shaft frame is fixed respectively at both ends around the main part frame, two secondary shaft framves around the bull stick runs through, the one end fixed handle of bull stick, bull stick and left connecting rod, connect through the connecting block between the right connecting rod, the connecting block is rectangular form, the bull stick runs through and can dismantle the intermediate position that is fixed in the connecting block, the one end of left connecting rod and the one end of right connecting rod are hub connection respectively in the both ends of connecting block, the handle rotates, it rotates to drive the connecting block, link mechanism drives.
Furthermore, the left connecting rod comprises a first connecting rod and swinging blocks, each swinging block comprises a vertical section and an inclined section, the vertical section is hinged to the first connecting rod, the inclined sections are hinged to the first shaft frame, the left clamping arm and the right clamping arm are respectively fixed at the lower ends of the inclined sections of the two swinging blocks, the right connecting rod comprises a second connecting rod and swinging blocks, the left connecting rod and the right connecting rod are identical in structure and opposite in position;
when the connecting block rotates to be horizontal, the first connecting rod and the second connecting rod are mutually closed towards the connecting block, and the inclined section of the swinging block is opened towards the direction back to the main body frame to drive the left clamping arm and the right clamping arm to be mutually opened;
when the connecting block rotates to be vertical, the first connecting rod and the second connecting rod are mutually opened, and the inclined section of the swinging block rotates towards the inner side of the main body frame to drive the left clamping arm and the right clamping arm to be mutually clamped.
Furthermore, the hinge joint of the first connecting rod and the connecting block is a first hinge joint, the hinge joint of the second connecting rod and the connecting block is a second hinge joint, the connection position of the rotating rod and the connecting block is a third connection point, the hinge joint of the first connecting rod and the swinging block is a fourth hinge joint, the hinge joint of the second connecting rod and the swinging block is a fifth hinge joint,
when the first and second connecting rods are closed to each other toward the connecting block, the heights of the fourth and fifth hinge points are higher than the heights of the first, second and third hinge points.
Furthermore, a balancing weight is fixed on one side of the main body frame far away from the handle.
Furthermore, the connecting block is provided with a slot for penetrating through the rotating rod, a plurality of jacks are symmetrically arranged on two sides of the slot, the rotating rod is inserted into the slot, and the rotating rod is fixedly locked through the locking block.
Furthermore, the locking block is of a convex structure, the middle protrusion of the locking block is inserted into the slot to prop against the rotating rod, and two sides of the locking block are fixed on the connecting block through bolts.
Compared with the prior art, area keeps off link mechanism's hoist firmly has following advantage: the operation by an operating personnel can, open the arm lock and can die by the automatic locking to a certain position that blocks firmly, prevent to forget the maloperation such as with fixed the arm lock, easily adjust, it is easy and simple to handle, save arm lock fixed knot structure, reduce cost lightens weight.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of the clamping state of the present invention;
FIG. 2 is a schematic view of the present invention;
FIG. 3 is a schematic structural view of the open state of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1;
FIG. 5 is a schematic view of the connection of the connecting block and the locking block;
FIG. 6 is an enlarged view of portion B of FIG. 1;
FIG. 7 is a front view of the locking block;
FIG. 8 is a top view of FIG. 7;
FIG. 9 is a schematic structural view of a connecting block;
FIG. 10 is a schematic view of the connection between the swing block and the left clamp arm;
FIG. 11 is a schematic structural view of a first pedestal;
FIG. 12 is a schematic structural view of the main body frame;
description of reference numerals:
1-a main body frame; 2-a second shaft frame; 3-a handle; 4-rotating the rod; 5-a left clamping arm; 6-a first link; 7-a first pedestal; 8-connecting blocks; 9-a balancing weight; 10-a locking block; 11-a right clamping arm; 12-a second link; 13-a swing block; 131-a vertical section; 132-an inclined section; 14-a rotating shaft; 15-a workpiece; 16-a fourth hinge point; 17-a first hinge point; 18-a third connection point; 19-a second hinge point; 20-fifth hinge point.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-12, a lifting appliance with a dead stop link mechanism comprises a main body frame 1, a rotating rod 4, a left connecting rod, a right connecting rod, a connecting block 8, a left clamping arm 5 and a right clamping arm 11, wherein the left and right sides of the main body frame 1 are fixed with first shaft brackets 7, the left connecting rod and the right connecting rod are respectively connected with the first shaft brackets 7 at the two sides through a rotating shaft 14, the lower end of the left connecting rod is fixedly connected with the left clamping arm 5, the lower end of the right connecting rod is fixedly connected with the right clamping arm 11, the front and rear ends of the main body frame 1 are respectively fixed with second shaft brackets 2, the rotating rod 4 penetrates through the front and rear second shaft brackets 2, one end of the rotating rod 4 is fixed with a handle 3, the rotating rod 4 is connected with the left connecting rod and the right connecting rod through the connecting block 8, the connecting block 8 is in a strip shape, the rotating rod 4 penetrates through, the handle 3 is rotated to drive the connecting block 8 to rotate, and the connecting rod mechanism drives the left clamping arm 5 and the right clamping arm 11 to be opened or clamped simultaneously.
The left connecting rod comprises a first connecting rod 6 and a swinging block 13, the swinging block 13 comprises a vertical section 131 and an inclined section 132, the vertical section 131 is hinged to the first connecting rod 6, the inclined section 132 is hinged to the first shaft frame 7, the left clamping arm 5 and the right clamping arm 11 are respectively fixed at the lower ends of the inclined sections 132 of the two swinging blocks 13, the right connecting rod comprises a second connecting rod 12 and the swinging block 13, the left connecting rod and the right connecting rod have the same structure and are opposite in position;
when the connecting block 8 rotates to be horizontal, the first connecting rod 6 and the second connecting rod 12 are mutually closed towards the connecting block 8, and the inclined section 132 of the swinging block 13 is opened towards the direction back to the main body frame 1 to drive the left clamping arm 5 and the right clamping arm 11 to be mutually opened by rotating the handle 3;
when the connecting block 8 rotates to be vertical, the first connecting rod 6 and the second connecting rod 12 are mutually opened, and the inclined section 132 of the swinging block 13 rotates towards the inner side of the main body frame 1 to drive the left clamping arm 5 and the right clamping arm 11 to mutually clamp.
The hinge joint of the first connecting rod 6 and the connecting block 8 is a first hinge point 17, the hinge joint of the second connecting rod 12 and the connecting block 8 is a second hinge point 19, the connection joint of the rotating rod 4 and the connecting block 8 is a third connection point 18, the hinge joint of the first connecting rod 6 and the swinging block 13 is a fourth hinge point 16, the hinge joint of the second connecting rod 12 and the swinging block 13 is a fifth hinge point 20,
when the first link 6 and the second link 12 are closed to each other toward the link block 8, the fourth hinge point 16 and the fifth hinge point 20 are higher in height than the first hinge point 17, the second hinge point 19 and the third hinge point 18.
A counterweight 9 is fixed on one side of the main body frame 1 far away from the handle 3.
The connecting block 8 is provided with a slot for penetrating the rotating rod 4, a plurality of jacks are symmetrically arranged on two sides of the slot, the rotating rod 4 is inserted into the slot, and the rotating rod 4 is fixedly locked through the locking block 10.
The locking block 10 is of a convex structure, the middle bulge of the locking block 10 is inserted into the slot to prop against the rotating rod 4, and two sides of the locking block 10 are fixed on the connecting block 8 through bolts.
The working principle is as follows:
the initial state of the spreader is an open state (as shown in fig. 3), the first hinge point 17, the second hinge point 19 and the third hinge point 18 are on a horizontal straight line and are located lower than the fourth hinge point 16 and the fifth hinge point 20; at the moment, the left and right clamping arms and the left and right connecting rods form self-locking, and the clamping arms cannot fall back.
At this time, the hanger can be moved to a working position, when the clamping arms are required to fall back to grab the workpiece 15, the worker needs to rotate the handle 3, and after the rotating point is separated from the dead point position of the self-locking, the left and right clamping arms automatically fall back to a clamping state (as shown in fig. 2).
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The area keeps off link mechanism's hoist firmly, its characterized in that: comprises a main body frame (1), a rotating rod (4), a left connecting rod, a right connecting rod, a connecting block (8), a left clamping arm (5) and a right clamping arm (11), wherein the left side and the right side of the main body frame (1) are fixedly provided with a first shaft bracket (7), the left connecting rod and the right connecting rod are respectively connected with the first shaft brackets (7) at the two sides through a rotating shaft (14) in a shaft mode, the lower end of the left connecting rod is fixedly connected with the left clamping arm (5), the lower end of the right connecting rod is fixedly connected with the right clamping arm (11), the front end and the rear end of the main body frame (1) are respectively fixed with a second shaft bracket (2), the rotating rod (4) penetrates through the front and rear second shaft brackets (2), one end of the rotating rod (4) is fixedly provided with a handle (3), the rotating rod (4) and the left connecting rod are connected through the connecting block (8), the connecting block (8) is in a long strip mode, the rotating rod (4) penetrates through, the handle (3) is rotated to drive the connecting block (8) to rotate, and the connecting rod mechanism drives the left clamping arm (5) and the right clamping arm (11) to be opened or clamped simultaneously.
2. The spreader with dead stop linkage according to claim 1, wherein: the left connecting rod comprises a first connecting rod (6) and swinging blocks (13), each swinging block (13) comprises a vertical section (131) and an inclined section (132), each vertical section (131) is hinged to the corresponding first connecting rod (6), each inclined section (132) is hinged to the corresponding first shaft bracket (7), the left clamping arm (5) and the right clamping arm (11) are respectively fixed at the lower ends of the inclined sections (132) of the corresponding swinging blocks (13), each right connecting rod comprises a second connecting rod (12) and a swinging block (13), the left connecting rod and the right connecting rod are identical in structure and opposite in position;
the handle (3) is rotated, when the connecting block (8) rotates to be horizontal, the first connecting rod (6) and the second connecting rod (12) are mutually closed towards the connecting block (8), and the inclined section (132) of the swinging block (13) is opened towards the direction back to the main body frame (1) to drive the left clamping arm (5) and the right clamping arm (11) to be mutually opened;
when the connecting block (8) rotates to be vertical, the first connecting rod (6) and the second connecting rod (12) are mutually opened, and the inclined section (132) of the swinging block (13) rotates towards the inner side of the main body frame (1) to drive the left clamping arm (5) and the right clamping arm (11) to be mutually clamped.
3. The spreader with dead stop linkage according to claim 2, wherein: the hinge joint of the first connecting rod (6) and the connecting block (8) is a first hinge point (17), the hinge joint of the second connecting rod (12) and the connecting block (8) is a second hinge point (19), the connection joint of the rotating rod (4) and the connecting block (8) is a third connection point (18), the hinge joint of the first connecting rod (6) and the swinging block (13) is a fourth hinge point (16), the hinge joint of the second connecting rod (12) and the swinging block (13) is a fifth hinge point (20),
when the first connecting rod (6) and the second connecting rod (12) are closed towards the connecting block (8), the heights of the fourth hinge point (16) and the fifth hinge point (20) are higher than the heights of the first hinge point (17), the second hinge point (19) and the third connecting point (18).
4. A spreader with dead stop linkage according to any of claims 1-3, wherein: a balancing weight (9) is fixed on one side of the main body frame (1) far away from the handle (3).
5. The spreader with dead stop linkage according to claim 1, wherein: the connecting block (8) is provided with a slot for penetrating through the rotating rod (4), a plurality of jacks are symmetrically formed in two sides of the slot, the rotating rod (4) is inserted into the slot, and the rotating rod (4) is fixedly locked through the locking block (10).
6. A spreader with dead stop linkage according to claim 5, wherein: the locking block (10) is of a convex structure, the middle protrusion of the locking block (10) is inserted into the slot to prop against the rotating rod (4), and two sides of the locking block (10) are fixed on the connecting block (8) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129422.XU CN211971510U (en) | 2020-01-20 | 2020-01-20 | Lifting appliance with dead-stop link mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020129422.XU CN211971510U (en) | 2020-01-20 | 2020-01-20 | Lifting appliance with dead-stop link mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211971510U true CN211971510U (en) | 2020-11-20 |
Family
ID=73373731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020129422.XU Active CN211971510U (en) | 2020-01-20 | 2020-01-20 | Lifting appliance with dead-stop link mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211971510U (en) |
-
2020
- 2020-01-20 CN CN202020129422.XU patent/CN211971510U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211971510U (en) | Lifting appliance with dead-stop link mechanism | |
| CN110106672A (en) | Balance coupling assembly and clothes airing machine between host part and clothes hanger | |
| CN211450112U (en) | Display support | |
| CN219770003U (en) | Locking structure of telescopic frame | |
| CN113212069B (en) | Axle fixing device | |
| CN209645066U (en) | A kind of medical trolley | |
| CN212712487U (en) | Direct connection structure of balance arm, arm support and upper support | |
| CN212939815U (en) | Breast surgery retractor device | |
| CN214424337U (en) | Protective door and rack | |
| CN208249821U (en) | A kind of self-balancing system of foldable rescue frame | |
| CN218663381U (en) | Feed inlet opening and closing mechanism of material tower | |
| CN221256487U (en) | Anti-falling window support | |
| CN218120284U (en) | Ice making machine | |
| CN217297071U (en) | Cantilever crane becomes width of cloth hydro-cylinder supporting mechanism and high altitude construction car | |
| CN219751607U (en) | Special anti-toppling lifting appliance for composite steel pipe | |
| CN216535511U (en) | Assembled support for DR operating room equipment | |
| CN209848852U (en) | Kettle opening mechanism of high-pressure hydrothermal kettle | |
| CN217028521U (en) | Self-supporting structural member for preventing box cover door from falling back | |
| CN219156297U (en) | Crane hook anti-drop structure | |
| CN216002845U (en) | Balancer for hanging lead | |
| CN218261869U (en) | Cantilever crane chain moves coupling mechanism and high altitude construction car | |
| CN213950441U (en) | Limiting system of lever block | |
| CN213426657U (en) | Electrical engineering uses electric box convenient to overhaul | |
| CN220985249U (en) | Assembled cable safety hook for building | |
| CN219081473U (en) | Folding hard ladder for overhauling draft tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |