CN112209249A - Full-automatic crane tipping prevention device - Google Patents
Full-automatic crane tipping prevention device Download PDFInfo
- Publication number
- CN112209249A CN112209249A CN202010990778.7A CN202010990778A CN112209249A CN 112209249 A CN112209249 A CN 112209249A CN 202010990778 A CN202010990778 A CN 202010990778A CN 112209249 A CN112209249 A CN 112209249A
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- China
- Prior art keywords
- contact
- shell
- cam
- groove
- component
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to a full-automatic crane rollover prevention device, which comprises a frame and a shell, wherein the shell is fixed on the frame through a mounting plate fixed with the shell, the inner side of the shell is provided with an arc-shaped receiving piece through a fixed rod, a cam is slidably arranged on the arc-shaped receiving piece and connected with a counterweight component, the inner side of the shell is also provided with a movable block through a guide component in a sliding manner, one side of the movable block, which faces to the cam, is provided with a conical groove, the protruding part of the cam is positioned in the conical groove, the guide component is also provided with a trigger component, and the trigger component is matched with a contact piece arranged on the fixed rod; the frame is provided with an inner embedded groove, the inner side of the inner embedded groove is hinged with a support leg, and the support leg is abutted to a torsion spring mounted on the inner wall of the inner embedded groove. When the electromagnetic limiting assembly works, the electromagnetic limiting assembly is separated from the supporting leg, and the supporting leg rotates under the action of the torsion spring so as to be supported on the ground.
Description
Technical Field
The invention relates to the technical field of construction machinery, in particular to a full-automatic anti-tipping device for a crane.
Background
At present, a hoisting equipment crane is often used for engineering construction and electromechanical installation operation, the crane has various types, including a crawler crane, a tower crane, a truck crane, a tire crane, a portal crane and the like, various cranes are matched with a hoisting performance table of the crane, and a driver (operator) performs the crane rollover accident according to the specification requirements on the service performance table strictly in the operation process.
The reason that the existing crane is tipped is mainly because the lifting capacity estimation is inaccurate in the crane operation process so as to cause a tipping phenomenon, and the existing crane is not provided with an anti-tipping device and has potential safety hazards.
Disclosure of Invention
The invention aims to provide a full-automatic anti-tipping device for a crane, which solves the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a full-automatic crane rollover prevention device comprises a frame and a shell, wherein the shell is fixed on the frame through a mounting plate fixed with the shell, an arc-shaped receiving piece is mounted on the inner side of the shell through a fixed rod, a cam is slidably mounted on the arc-shaped receiving piece and connected with a counterweight component, a movable block is slidably mounted on the inner side of the shell through a guide component, a tapered groove is formed in one side, facing the cam, of the movable block, a protruding part of the cam is located in the tapered groove, a trigger component is further arranged on the guide component and matched with a contact piece arranged on the fixed rod;
the shell is also provided with a buzzer connected with the contact piece and the trigger component;
be provided with the inner caulking groove on the frame, the inboard of inner caulking groove articulates there is the landing leg, the landing leg with install torsional spring butt on the inner wall of inner caulking groove works as when the landing leg is in the inner caulking groove, fixed through the spacing subassembly of electromagnetism that sets up at the inner caulking groove side, spacing subassembly of electromagnetism with contact piece and trigger assembly are connected.
As a further scheme of the invention: the counterweight assembly comprises a counterweight block and a connecting rod connected with the counterweight block and the cam, and the connecting rod penetrates through a through groove formed in the arc-shaped receiving piece and is in sliding fit with the inner wall of the through groove.
As a still further scheme of the invention: one side of the movable block, which is far away from the cam, is connected with the inner wall of the shell through at least one first spring.
As a still further scheme of the invention: the guide assembly comprises a guide rod fixed on the inner wall of the shell and a sliding sleeve sleeved on the guide rod and fixedly connected with the movable block;
the trigger assembly is installed on the sliding sleeve and is positioned on one side, facing the fixed rod, of the sliding sleeve.
As a still further scheme of the invention: the trigger assembly comprises a contact rod hinged to the sliding sleeve and a second spring connected with the contact rod and the sliding sleeve, and the contact rod is in contact with the contact piece to trigger an electric signal.
As a still further scheme of the invention: the contact pieces comprise a first contact piece and a second contact piece which are installed on the fixed rod, and when the contact rod is in contact with the first contact piece, the buzzer is triggered; when the contact rod is contacted with the second contact piece, the electromagnetic limiting component is triggered.
As a still further scheme of the invention: the electromagnetic limiting assembly comprises a blocking rod which is arranged in a movable groove on the frame in a sliding mode and fixed at the end part of the movable groove, the blocking rod faces to one end of the electromagnet, a metal piece is installed at one end of the electromagnet, the other end of the blocking rod penetrates through the movable groove and is inserted into the inner embedded groove, and the blocking rod is connected with the inner wall of the movable groove through a third spring connected with the blocking rod.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, when the crane inclines, the cam is in a vertical state under the action of the counterweight component, at the moment, the shell integrally inclines, the movable block moves under the action of the cam to drive the trigger component to move under the action of the guide component, when the trigger component moves, the movable block is contacted with the contact piece to realize electric signal trigger, so that a buzzer or an electromagnetic limiting component works, when the buzzer works, the alarm achieves the reminding effect, when the electromagnetic limiting component works, the electromagnetic limiting component is separated from the supporting leg, and the supporting leg rotates under the action of the torsion spring, thereby being supported on the ground, achieving the anti-toppling effect and having strong practicability.
Drawings
Fig. 1 is a schematic structural diagram of a fully-automatic anti-tipping device for a crane.
Fig. 2 is a schematic structural view of an arc-shaped receiving part in the fully automatic anti-tipping device.
Fig. 3 is a schematic structural diagram of a cam in the fully automatic anti-tipping device.
Fig. 4 is an enlarged view of a structure at a in fig. 1.
Fig. 5 is an enlarged view of the structure at B in fig. 1.
In the figure: 1-frame, 2-counterweight block, 3-mounting plate, 4-shell, 5-arc-shaped bearing piece, 6-cam, 7-connecting rod, 8-movable block, 9-first spring, 10-buzzer, 11-fixed rod, 12-supporting leg, 13-inner caulking groove, 14-torsion spring, 15-guide rod, 16-sliding sleeve, 17-contact rod, 18-second spring, 19-first contact piece, 20-second contact piece, 21-stop rod, 22-metal piece, 23-third spring, 24-movable groove, 25-electromagnet and 26-through groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the 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.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 5, in an embodiment of the present invention, the full-automatic crane rollover prevention device includes a frame 1 and a housing 4, the housing 4 is fixed on the frame 1 through a mounting plate 3 fixed thereto, an arc receiving member 5 is mounted on an inner side of the housing 4 through a fixing rod 11, a cam 6 is slidably mounted on the arc receiving member 5, the cam 6 is connected with a counterweight component, a movable block 8 is also slidably mounted on an inner side of the housing 4 through a guide component, one side of the movable block 8 facing the cam 6 is provided with a tapered groove, a protruding portion of the cam 6 is located in the tapered groove, the guide component is further provided with a trigger component, and the trigger component is adapted to a contact piece arranged on the fixing rod 11;
the shell 4 is also provided with a buzzer 10 connected with the contact piece and the trigger component;
be provided with interior caulking groove 13 on the frame 1, the inboard of interior caulking groove 13 articulates there is landing leg 12, landing leg 12 with install 14 butts of torsional spring on the interior caulking groove 13 inner wall, work as when landing leg 12 is in interior caulking groove 13, fixed through the spacing subassembly of electromagnetism that sets up at 13 sides of caulking groove, spacing subassembly of electromagnetism with contact piece and trigger component are connected.
In the embodiment of the invention, when the crane inclines, the cam 6 is in a vertical state under the action of the counterweight component, at the moment, the shell 4 is integrally inclined, the movable block 8 moves under the action of the cam 6 to drive the trigger component to move under the action of the guide component, and when the trigger component moves, the movable block is in contact with the contact piece to realize electric signal triggering, so that the buzzer 10 or the electromagnetic limiting component works, the buzzer 10 works to achieve the reminding effect, when the electromagnetic limiting component works, the movable block is separated from the supporting leg 12, and the supporting leg 12 rotates under the action of the torsion spring 14, so that the supporting leg is supported on the ground to achieve the anti-toppling effect, and the practicability is high.
In the embodiment of the present invention, it should be noted that the mounting plate 3 is fixed on the housing 4, the length of the mounting plate 3 is greater than that of the housing 4, and the mounting plate 3 is fixed to the frame 1 by bolts.
As an embodiment of the present invention, the counterweight assembly includes a counterweight block 2 and a connecting rod 7 connecting the counterweight block 2 and the cam 6, and the connecting rod 7 penetrates through a through groove 26 formed on the arc-shaped receiving member 5 and is in sliding fit with an inner wall of the through groove 26.
In the embodiment of the invention, the cam 6 is continuously in a vertical state through the arranged balancing weight 2.
As an embodiment of the present invention, a side of the movable block 8 away from the cam 6 is connected to an inner wall of the housing 4 by at least one first spring 9.
In the embodiment of the invention, the acting force is generated on the movable block 8 through the arranged first spring 9, so that the movable block 8 cannot be greatly changed when the crane slightly shakes.
As an embodiment of the present invention, the guiding assembly includes a guiding rod 15 fixed on the inner wall of the housing 4, and a sliding sleeve 16 sleeved on the guiding rod 15 and fixedly connected with the movable block 8;
the trigger assembly is mounted on the sliding sleeve 16 and is located on one side of the sliding sleeve 16 facing the fixing rod 11.
In the embodiment of the present invention, the guide rod 15 is arranged to cooperate with the sliding sleeve 16 to slidably guide the movable block 8, so that the movable block 8 can only move along the axial direction of the guide rod 15, and when the sliding sleeve 16 moves along with the movable block 8, the trigger assembly is driven to move, so as to cooperate with the contact piece on the fixed rod 11.
As an embodiment of the present invention, the triggering component includes a contact rod 17 hinged on the sliding sleeve 16 and a second spring 18 connecting the contact rod 17 and the sliding sleeve 16, and the contact rod 17 contacts with a contact piece to trigger an electrical signal.
In the embodiment of the invention, the contact rod 17 is arranged to cooperate with the second spring 18 to follow the sliding sleeve 16 to move, when the contact rod 17 moves to the contact piece position, the electric connection is realized, and the second spring 18 can effectively keep the contact rod 17 and the contact piece in a contact state.
As an embodiment of the present invention, the contact pieces include a first contact piece 19 and a second contact piece 20 mounted on the fixing lever 11, and the buzzer 10 is activated when the contact lever 17 is in contact with the first contact piece 19; when the contact rod 17 contacts the second contact piece 20, the electromagnetic limiting component is triggered.
In the embodiment of the invention, the crane can make different actions when in different inclined states through the arranged first contact piece 19 and the second contact piece 20, when the contact rod 17 is in contact with the first contact piece 19, the inclination angle of the crane is smaller, the buzzer 10 sends out buzzing sound to remind a driver to adjust, when the contact rod 17 is in contact with the second contact piece 20, the inclination angle of the crane is larger, and at the moment, the electromagnetic limiting component moves, so that the supporting leg 12 is popped up to be in contact with the ground, and the support is realized.
As an embodiment of the present invention, the electromagnetic limiting component includes a stopper rod 21 slidably mounted in a movable groove 24 provided on the frame 1, and an electromagnet 25 fixed at an end of the movable groove 24, wherein a metal member 22 is mounted at one end of the stopper rod 21 facing the electromagnet 25, the other end of the stopper rod 21 penetrates the movable groove 24 and is inserted into the embedded groove 13, and the stopper rod 21 is further connected to an inner wall of the movable groove 24 through a third spring 23 connected to the stopper rod 21.
In the embodiment of the present invention, when the contact lever 17 contacts the second contact piece 20, the electromagnet 25 is energized to generate magnetism, and attracts the metal piece 22 on the stopper lever 21 to bring the stopper lever 21 away from the leg 12, and at this time, the leg 12 is sprung out by the torsion spring 14 to contact the ground.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The full-automatic crane rollover prevention device is characterized by comprising a frame (1) and a shell (4), wherein the shell (4) is fixed on the frame (1) through a mounting plate (3) fixed with the shell, an arc-shaped receiving piece (5) is installed on the inner side of the shell (4) through a fixing rod (11), a cam (6) is installed on the arc-shaped receiving piece (5) in a sliding mode, the cam (6) is connected with a counterweight component, a movable block (8) is installed on the inner side of the shell (4) in a sliding mode through a guide component, a tapered groove is formed in one side, facing the cam (6), of the movable block (8), a protruding portion of the cam (6) is located in the tapered groove, a trigger component is further arranged on the guide component, and the trigger component is matched with a contact piece arranged on the fixing rod (11);
the shell (4) is also provided with a buzzer (10) connected with the contact piece and the trigger component;
be provided with in caulking groove (13) on frame (1), the inboard of interior caulking groove (13) articulates there is landing leg (12), landing leg (12) with install torsional spring (14) butt on interior caulking groove (13) inner wall works as when landing leg (12) are in interior caulking groove (13), fixed through the spacing subassembly of electromagnetism that sets up at interior caulking groove (13) side, spacing subassembly of electromagnetism with the contact piece and trigger the subassembly and connect.
2. A fully automatic anti-tipping device according to claim 1, characterized in that said weight assembly comprises a weight block (2) and a connecting rod (7) connecting said weight block (2) and a cam (6), said connecting rod (7) extending through a through slot (26) provided on said arc-shaped receiving member (5) and being in sliding fit with the inner wall of said through slot (26).
3. A fully automatic anti-tipping device according to claim 1, characterized in that the side of the movable block (8) remote from the cam (6) is connected to the inner wall of the housing (4) by at least one first spring (9).
4. The fully automatic crane rollover prevention device as recited in claim 1, wherein the guide assembly comprises a guide rod (15) fixed on the inner wall of the housing (4) and a sliding sleeve (16) sleeved on the guide rod (15) and fixedly connected with the movable block (8);
the trigger assembly is arranged on the sliding sleeve (16) and is positioned on one side of the sliding sleeve (16) facing the fixed rod (11).
5. A fully automatic anti-tipping device according to claim 4, characterized in that said triggering assembly comprises a contact lever (17) hinged on said sliding sleeve (16) and a second spring (18) connecting said contact lever (17) and sliding sleeve (16), said contact lever (17) being in contact with a contact piece to trigger an electrical signal.
6. A fully automatic anti-tipping device according to claim 5, characterized in that said contact means comprise a first contact means (19) and a second contact means (20) mounted on said fixing bar (11), said buzzer (10) being activated when said contact bar (17) is in contact with said first contact means (19); when the contact rod (17) is contacted with the second contact piece (20), the electromagnetic limiting component is triggered.
7. The fully automatic crane rollover prevention device as recited in claim 5, wherein the electromagnetic limit component comprises a stop lever (21) slidably mounted in a movable groove (24) provided on the frame (1) and an electromagnet (25) fixed at an end of the movable groove (24), a metal member (22) is mounted at one end of the stop lever (21) facing the electromagnet (25), the other end of the stop lever (21) penetrates through the movable groove (24) and is inserted into the inner embedded groove (13), and the stop lever (21) is further connected with an inner wall of the movable groove (24) through a third spring (23) connected with the stop lever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990778.7A CN112209249A (en) | 2020-09-19 | 2020-09-19 | Full-automatic crane tipping prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010990778.7A CN112209249A (en) | 2020-09-19 | 2020-09-19 | Full-automatic crane tipping prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112209249A true CN112209249A (en) | 2021-01-12 |
Family
ID=74049696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010990778.7A Withdrawn CN112209249A (en) | 2020-09-19 | 2020-09-19 | Full-automatic crane tipping prevention device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112209249A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439206A (en) * | 2022-01-26 | 2022-05-06 | 孙长虹 | Scaffold for building construction |
-
2020
- 2020-09-19 CN CN202010990778.7A patent/CN112209249A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439206A (en) * | 2022-01-26 | 2022-05-06 | 孙长虹 | Scaffold for building construction |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210112 |
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| WW01 | Invention patent application withdrawn after publication |