CN220926143U - Rope pressing mechanism and lifting device - Google Patents
Rope pressing mechanism and lifting device Download PDFInfo
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- CN220926143U CN220926143U CN202322918640.8U CN202322918640U CN220926143U CN 220926143 U CN220926143 U CN 220926143U CN 202322918640 U CN202322918640 U CN 202322918640U CN 220926143 U CN220926143 U CN 220926143U
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- swing arms
- pressing mechanism
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- base plate
- rope pressing
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- 238000003825 pressing Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 title claims abstract description 31
- 230000006835 compression Effects 0.000 claims abstract description 23
- 238000007906 compression Methods 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 16
- 239000010959 steel Substances 0.000 description 16
- 238000004804 winding Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model relates to a rope pressing mechanism and a lifting device, which comprises a bracket, wherein the bracket comprises a base plate and side plates, two side plates are arranged, the two side plates are symmetrically connected to the base plate, and first connecting holes are coaxially formed in the two side plates; the limit switches are arranged, are connected with the substrate and are positioned on the same side of the first connecting hole; the two swing arms are arranged, the middle parts of the two swing arms are respectively connected with the bracket in a rotating way at a first connecting hole, one ends of the two swing arms are respectively abutted with the working end of a limit switch, and the other ends of the two swing arms are connected with the bracket through elastic pieces; the compression bar is rotatably connected between the two swing arms and is positioned at one end far away from the elastic piece. The rope pressing mechanism can stop equipment in time when rope skipping occurs in the winch, so that production accidents are avoided; the labor force can be relieved, the working state of the winch is not required to be checked frequently by workers, and the cost of the workers and the production is reduced; the whole mechanism has simple structure, convenient installation and maintenance and is suitable for practical use.
Description
Technical Field
The utility model relates to the technical field of lifting devices, in particular to a rope pressing mechanism and a lifting device.
Background
Windlass, also known as winch, is a device for hoisting or hauling heavy objects by winding wire or chain with reels, often applied to hoisting devices such as cranes or stackers. The winding machine drives the winding drum to rotate through a driving source such as a motor and the like to enable the steel wire rope to be wound on the winding drum or released from the winding drum in turn, so that lifting of a lifting unit connected with the steel wire rope is realized.
In the running process of the lifting device, the steel wire rope can be sequentially wound into the rope grooves above the winding drum, but sometimes the steel wire rope can be separated from the rope grooves and wound into the rope grooves on which the steel wire rope is wound, at this time, the risks of rope disorder and rope sliding occur, the existing lifting equipment cannot timely find and process the risks, production accidents can be possibly caused, and normal production is seriously influenced.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is to overcome the problems that in the prior art, in the running process of the lifting device, the steel wire rope is sequentially wound into the rope grooves on the winding drum, but sometimes the steel wire rope is separated from the rope grooves and wound into the rope grooves on which the steel wire rope is wound, the dangers of rope disorder and rope sliding occur, the dangers can not be timely found and treated by the existing lifting device, the production accidents can be possibly caused, and the normal running of the production is seriously influenced.
In order to solve the technical problems, the utility model provides a rope pressing mechanism, which comprises,
The bracket comprises a base plate and two side plates, wherein the two side plates are parallel to each other and are vertically connected to the base plate, and coaxial first connecting holes are vertically formed in the two side plates;
The limit switches are arranged, are connected with the substrate and are positioned on the same side of the first connecting hole;
The two swing arms are arranged, the middle parts of the two swing arms are respectively connected with the bracket in a rotating way at the first connecting hole, one ends of the two swing arms are respectively abutted with the working end of one limit switch, and the other ends of the two swing arms are connected with the bracket through elastic pieces;
the compression bar is rotationally connected between the two swing arms and is positioned at one end far away from the elastic piece.
In one embodiment of the present utility model, a first connecting portion is respectively disposed on the two side plates, a second connecting portion respectively corresponding to the two first connecting portions is disposed on the two swing arms, and the elastic member is connected between the corresponding first connecting portion and the corresponding second connecting portion.
In one embodiment of the utility model, the elastic member is in a stretched state.
In one embodiment of the utility model, the middle parts of the two swing arms are vertically provided with second connecting holes matched with the first connecting holes, and the swing arms are rotatably connected with the bracket through rotating shafts coaxially penetrating through the first connecting holes and the second connecting holes.
In one embodiment of the utility model, through holes are vertically formed in the two swing arms, bearings are coaxially arranged in the through holes, and two ends of the compression bar are respectively and rotatably connected to one bearing.
In one embodiment of the utility model, two threaded through holes corresponding to the positions of the two swing arms are vertically formed in the base plate, bolts are screwed in the threaded through holes, and the end parts of the bolts are abutted with one end of the swing arm, which is far away from the compression bar.
In one embodiment of the present utility model, two through holes corresponding to the positions of the two swing arms are vertically provided on the base plate, two nuts coaxial with the two through holes are connected to the base plate, bolts are screwed into the nuts, and one ends of the bolts pass through the through holes and are abutted to one ends of the swing arms, which are far away from the compression bar.
In one embodiment of the present utility model, two support plates corresponding to the positions of the two swing arms are symmetrically disposed on one surface of the substrate facing away from the side plate, one end of each support plate is connected to the substrate, the other end extends to a side close to the compression bar, and the two limit switches are respectively connected to the two support plates.
In one embodiment of the utility model, the elastic member is a spring.
A lifting device comprising a rope pressing mechanism as claimed in any one of the preceding claims.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
The utility model relates to a rope pressing mechanism and a lifting device, which comprise a bracket, a limit switch, a swing arm and a pressing rod, wherein the bracket comprises a base plate and side plates, the two side plates are parallel to each other and are vertically connected to the base plate, and coaxial first connecting holes are vertically formed in the two side plates; the two limit switches are connected with the substrate and positioned on the same side of the first connecting hole; the two swing arms are arranged, the middle parts of the two swing arms are respectively connected with the bracket in a rotating way at a first connecting hole, one ends of the two swing arms are respectively abutted with the working end of a limit switch, and the other ends of the two swing arms are connected with the bracket through elastic pieces; the compression bar is rotatably connected between the two swing arms and is positioned at one end far away from the elastic piece. When the wire rope jumps on the winding drum, the distance between the wire rope and the compression bar is changed, the compression bar is jacked up by the wire rope, and the compression bar drives the swing arm to swing to one side close to the limit switch, so that the limit switch is triggered to stop running of the equipment. The rope pressing mechanism can stop the equipment in time when the rope skipping condition occurs in the winch, so that production accidents are avoided, and the possibility of equipment damage can be reduced; the labor force can be relieved, the working state of the winch is not required to be checked frequently by workers, and the cost of the workers and the production is reduced; the whole mechanism has simple structure, convenient installation and maintenance and is suitable for practical use.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic view of the overall structure of a rope pressing mechanism according to a preferred embodiment of the present utility model;
FIG. 2 is an exploded view of the cord compression mechanism of the preferred embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the bracket of the rope pressing mechanism according to the preferred embodiment of the present utility model;
Fig. 4 is a schematic structural view of a swing arm and a compression bar of a rope pressing mechanism according to a preferred embodiment of the present utility model.
Description of the specification reference numerals: 1. a bracket; 11. a substrate; 12. a side plate; 121. a first connection hole; 122. a first connection portion; 2. a limit switch; 3. swing arms; 31. a second connecting portion; 32. a second connection hole; 4. an elastic member; 5. a compression bar; 6. a rotating shaft; 7. and (5) a bolt.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Example 1
Referring to fig. 1-4, a rope pressing mechanism of the present utility model includes,
The bracket 1, the bracket 1 comprises a base plate 11 and side plates 12, the two side plates 12 are arranged, the two side plates 12 are parallel to each other and are vertically connected to the base plate 11, and coaxial first connecting holes 121 are vertically formed in the two side plates 12;
Limit switches 2, wherein two limit switches 2 are arranged, and the two limit switches 2 are connected with the base plate 11 and positioned on the same side of the first connecting hole 121;
the two swing arms 3 are arranged, the middle parts of the two swing arms 3 are respectively connected with the bracket 1 in a rotating way at a first connecting hole 121, one ends of the two swing arms 3 are respectively abutted with the working end of one limit switch 2, and the other ends of the two swing arms 3 are connected with the bracket through an elastic piece 4;
The pressing rod 5 is rotatably connected between the two swing arms 3 and is positioned at one end far away from the elastic piece 4.
Specifically, the swing arm 3 is rotatably connected with the bracket 1 at the first connecting hole 121 through the rotating shaft 6, and the swing arm 3 can swing by taking the rotating shaft 6 as a rotation center; the rope pressing mechanism is arranged above the winding drum in application, a certain gap is formed between the pressing rod 5 and the steel wire rope (the gap can be controlled to be 2-3 mm), when the steel wire rope jumps on the winding drum in the working process of the winch, the distance between the steel wire rope and the pressing rod 5 is changed, the pressing rod 5 is jacked up by the steel wire rope, the pressing rod 5 drives the swinging arm 3 to swing towards one side close to the limit switch 2 so as to trigger the limit switch 2 to stop operation of the equipment, and after a worker ascertains the specific condition of the equipment and adjusts the steel wire rope on the winding drum to a normal winding state, the steel wire rope is separated from the pressing rod 5, and the swinging arm 3 drives the pressing rod 5 to reset under the action of the elastic piece 4.
The rope pressing mechanism can stop the equipment in time when the winch is abnormal, so that production accidents are avoided and the possibility of equipment damage is reduced; the labor force can be relieved, the working state of the winch is not required to be checked frequently by workers, and the cost of the workers and the production is reduced; the whole mechanism has simple structure, convenient installation and maintenance and is suitable for practical use.
Referring to fig. 2, 3 and 4, further, the two side plates 12 are respectively provided with a first connection portion 122, the two swing arms 3 are respectively provided with a second connection portion 31 corresponding to the two first connection portions 122, and an elastic member 4 is connected between the corresponding first connection portion 122 and second connection portion 31. Specifically, the first connecting portion 122 is located between the base plate 11 and the second connecting portion 31, a spring is connected between the first connecting portion 122 and the second connecting portion 31, when the compression bar 5 is jacked by the steel wire rope and moves towards the direction close to the base plate 11, the spring is stretched, and when the spring is in a stretched state, a force pressing the base plate 11 is always applied to one end of the swing arm 3 connected with the spring, so that the compression bar 5 can be reset after the winch is restored to be normal.
Further, the elastic member 4 is in a stretched state.
Further, the middle parts of the two swing arms 3 are vertically provided with second connecting holes 32 matched with the first connecting holes 121, and the swing arms 3 are rotatably connected with the bracket 1 through rotating shafts 6 coaxially penetrating through the first connecting holes 121 and the second connecting holes 32. Specifically, during installation, the second connecting hole 32 on the swing arm 3 is coaxial with the first connecting hole 121 on the bracket 1, the rotating shaft 6 passes through the coaxial first connecting hole 121 and the second connecting hole 32, and clamping rings are arranged at two ends of the rotating shaft 6 to enable the swing arm 3 to be rotatably connected to the bracket 1.
Further, through holes are vertically formed in the two swing arms 3, bearings are coaxially arranged in the through holes, and two ends of the compression bar 5 are respectively and rotatably connected to one bearing.
Further, two threaded through holes corresponding to the positions of the two swing arms 3 are vertically formed in the base plate 11, bolts 7 are screwed into the threaded through holes, and the end portions of the bolts 7 are abutted to one ends, away from the compression bars 5, of the swing arms 3. Specifically, the swing arm 3 can be adjusted in swinging angle by rotating the bolt 7, so that the distance between the pressing rod 5 and the steel wire rope on the winding drum can be adjusted on the premise of not disassembling the whole rope pressing mechanism, and the operation of workers is facilitated.
Further, two through holes corresponding to the positions of the two swing arms 3 are vertically formed in the base plate 11, two nuts coaxial with the two through holes are connected to the base plate 11, bolts 7 are screwed into the nuts, and one end of each bolt 7 passes through the through hole and abuts against one end, away from the compression bar 5, of each swing arm 3. It is conceivable that the above structure in which the bolt 7 is screwed into the screw through hole provided in the base plate 11 requires that the screw through hole be reworked on the base plate 11 or that the base plate 11 be replaced after the screw through hole is damaged, and the difficulty and cost of maintenance and replacement are high; the structure is improved to be that the nut is arranged on the base plate 11, so that the bolt 7 is in threaded connection with the nut, and therefore, after the nut is damaged, the nut on the base plate 11 is only required to be replaced, the replacement difficulty and the replacement cost are lower, and the equipment maintenance cost can be reduced.
Further, two support plates corresponding to the positions of the two swing arms 3 are symmetrically arranged on one surface of the base plate 11, which is away from the side plate 12, one end of each support plate is connected with the base plate 11, the other end extends to one side, close to the compression bar 5, of each support plate, and the two limit switches 2 are respectively connected to the two support plates.
Further, the elastic member 4 is a spring.
Example two
The utility model also discloses a lifting device which comprises the rope pressing mechanism in the first embodiment.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. The utility model provides a rope mechanism presses which characterized in that: comprising the steps of (a) a step of,
The bracket comprises a base plate and two side plates, wherein the two side plates are parallel to each other and are vertically connected to the base plate, and coaxial first connecting holes are vertically formed in the two side plates;
The limit switches are arranged, are connected with the substrate and are positioned on the same side of the first connecting hole;
The two swing arms are arranged, the middle parts of the two swing arms are respectively connected with the bracket in a rotating way at the first connecting hole, one ends of the two swing arms are respectively abutted with the working end of one limit switch, and the other ends of the two swing arms are connected with the bracket through elastic pieces;
the compression bar is rotationally connected between the two swing arms and is positioned at one end far away from the elastic piece.
2. The rope pressing mechanism according to claim 1, wherein: the two side plates are respectively provided with a first connecting part, the two swing arms are respectively provided with a second connecting part corresponding to the two first connecting parts, and the elastic piece is connected between the corresponding first connecting parts and the corresponding second connecting parts.
3. The rope pressing mechanism according to claim 1, wherein: the elastic member is in a stretched state.
4. The rope pressing mechanism according to claim 1, wherein: the middle parts of the two swing arms are vertically provided with second connecting holes matched with the first connecting holes, and the swing arms are rotatably connected with the support through rotating shafts coaxially penetrating through the first connecting holes and the second connecting holes.
5. The rope pressing mechanism according to claim 1, wherein: the two swing arms are vertically provided with through holes, bearings are coaxially arranged in the through holes, and two ends of the compression bar are respectively and rotatably connected to one bearing.
6. The rope pressing mechanism according to claim 1, wherein: two threaded through holes corresponding to the positions of the two swing arms are vertically formed in the substrate, bolts are screwed in the threaded through holes, and the end parts of the bolts are abutted to one ends, away from the compression bars, of the swing arms.
7. The rope pressing mechanism according to claim 1, wherein: two through holes corresponding to the positions of the two swing arms are vertically formed in the base plate, two nuts coaxial with the two through holes are connected to the base plate, bolts are screwed into the nuts, and one end of each bolt penetrates through the through hole and is abutted to one end, away from the compression bar, of each swing arm.
8. The rope pressing mechanism according to claim 1, wherein: two supporting plates corresponding to the positions of the two swing arms are symmetrically arranged on one surface of the base plate, which is away from the side plate, one end of each supporting plate is connected with the base plate, the other end of each supporting plate extends to one side, which is close to the pressure bar, of each supporting plate, and the two limit switches are respectively connected to the two supporting plates.
9. The rope pressing mechanism according to claim 1, wherein: the elastic piece is a spring.
10. A lifting device, characterized in that: a rope pressing mechanism according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322918640.8U CN220926143U (en) | 2023-10-30 | 2023-10-30 | Rope pressing mechanism and lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322918640.8U CN220926143U (en) | 2023-10-30 | 2023-10-30 | Rope pressing mechanism and lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220926143U true CN220926143U (en) | 2024-05-10 |
Family
ID=90935956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322918640.8U Active CN220926143U (en) | 2023-10-30 | 2023-10-30 | Rope pressing mechanism and lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220926143U (en) |
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2023
- 2023-10-30 CN CN202322918640.8U patent/CN220926143U/en active Active
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