CN112441508A - Lever type cable breakage-proof protection device - Google Patents
Lever type cable breakage-proof protection device Download PDFInfo
- Publication number
- CN112441508A CN112441508A CN201910829899.0A CN201910829899A CN112441508A CN 112441508 A CN112441508 A CN 112441508A CN 201910829899 A CN201910829899 A CN 201910829899A CN 112441508 A CN112441508 A CN 112441508A
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- China
- Prior art keywords
- lever
- pressure sensor
- main cable
- elevator
- piece
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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
- B66C13/00—Other constructional features or details
- B66C13/12—Arrangements of means for transmitting pneumatic, hydraulic, or electric power to movable parts of devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention relates to a lever type cable breakage-proof protection device which comprises a lever member, a fulcrum member, a pressure sensor and a fixing member, wherein the lever member is arranged in the fixing member and is connected with one end of the fixing member through the fulcrum member; one end of the main cable penetrates through the anti-falling part and then extends into the clamping ring to clamp the main cable, when the main cable is separated from the main cable due to the influence of external force and is hung by other objects when the elevator runs, the elevator drives the main cable to ascend or descend, then the main cable tilts or presses down one end of the lever piece, the other end of the lever piece applies pressure to the pressure sensor, the pressure received by the pressure sensor changes, when the pressure exceeds a critical value, the pressure sensor transmits a signal to the elevator controller, then the elevator controller controls the elevator to stop running, therefore, when the main cable is separated from the main cable due to the influence and is hung by other objects, the main cable is prevented from being pulled apart when the elevator goes up and down.
Description
Technical Field
The invention relates to the technical field of construction, in particular to a lever type cable breakage-proof protection device.
Background
With the rapid development of high-rise buildings, highway bridges and high-speed railway bridge construction projects, construction elevators are widely used in the construction projects and the bridge projects, but the traditional construction elevators do not perfectly protect main cables and cannot effectively prevent the cables from being broken, particularly when the construction elevators are located at high positions, the cables are affected by wind most and are easy to separate and hang by other objects, and because an elevator operator cannot find the cables in a cab and cannot shut down the elevators in time, the cables are easy to be broken, unnecessary economic loss is caused.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a lever-type cable breakage prevention device, which can prevent a main cable from being torn off when a lifter lifts when the main cable is influenced to be pulled off and hung by other objects.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a lever type cable breakage-proof protection device comprises a lever member, a fulcrum member, a pressure sensor and a fixing member, wherein the lever member is arranged in the fixing member and is connected with one end of the fixing member through the fulcrum member, the other end of the fixing member is connected with the pressure sensor, and one end of the lever member is connected with the pressure sensor;
the other end of the lever piece is provided with an anti-falling part which is used for fixing the main cable;
the other end of the lever member is provided with a swing arm, and one end of the swing arm, which is far away from the lever member, is provided with the clamping ring;
the pressure sensor is electrically connected with the elevator controller.
Further, still include the anticreep round pin, pressure sensor is last to be provided with first through-hole, the anticreep round pin is worn to locate in the first through-hole, the anticreep round pin is used for preventing pressure sensor breaks away from the mounting.
Furthermore, still include supplementary anticreep spare, the both sides of swing arm are provided with one respectively supplementary anticreep spare, supplementary anticreep spare is used for preventing that the main cable breaks away from the swing arm.
Further, the clamping device further comprises a locking member, and the locking member is arranged on the clamping ring.
Furthermore, a second through hole is formed in one end of the lever piece and one end of the fixing piece, and the fulcrum piece is arranged in the second through hole in a penetrating mode.
(III) advantageous effects
The invention has the beneficial effects that: one end of the main cable penetrates through the anti-falling part and then extends into the clamping ring to clamp the main cable, when the main cable is separated from the main cable due to the influence of external force and is hung by other objects when the elevator runs, the elevator drives the main cable to ascend or descend, then the main cable tilts or presses down one end of the lever piece, the other end of the lever piece applies pressure to the pressure sensor, the pressure received by the pressure sensor changes, when the pressure exceeds a critical value, the pressure sensor transmits a signal to the elevator controller, then the elevator controller controls the elevator to stop running, therefore, when the main cable is separated from the main cable due to the influence and is hung by other objects, the main cable is prevented from being pulled apart when the elevator goes up and down.
Drawings
Fig. 1 is a schematic overall structure diagram of a lever type cable breakage-proof protection device according to an embodiment of the invention;
FIG. 2 is a schematic view of the lever type cable breakage protection apparatus according to the embodiment of the present invention in an assembled state;
FIG. 3 is a pressure value variation graph of the lever type cable breakage prevention protection device according to the embodiment of the invention;
[ description of reference ]
1: a pressure sensor;
2: a fulcrum member;
3: a lever member;
4: an anti-drop part;
5: swinging arms;
6: an auxiliary anti-drop member;
7: a locking member;
8: a clamping ring;
9: a fixing member;
10: the anti-drop pin;
11: a main cable.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
The most key concept of the invention is that the elevator stops running after the pressure exceeds the critical value through the pressure change of the pressure sensor, so that the main cable can be prevented from being torn off when the elevator lifts when the main cable is influenced to be separated and hung by other objects.
Referring to fig. 1 to 3, the lever-type cable breakage-preventing protection device of the present invention includes a lever member, a fulcrum member, a pressure sensor, and a fixing member, wherein the lever member is disposed inside the fixing member and connected to one end of the fixing member through the fulcrum member, the other end of the fixing member is connected to the pressure sensor, and one end of the lever member is connected to the pressure sensor;
the other end of the lever piece is provided with an anti-falling part which is used for fixing the main cable;
the other end of the lever member is provided with a swing arm, and one end of the swing arm, which is far away from the lever member, is provided with the clamping ring;
the pressure sensor is electrically connected with the elevator controller.
The working principle of the invention is as follows: one end of the main cable penetrates through the anti-falling part and then extends into the clamping ring to be clamped tightly, when the elevator runs, the main cable is separated from the clamping ring under the influence of external force and is hung by other objects, the elevator drives the main cable to ascend or descend, then the main cable tilts or presses down one end of the lever piece, the other end of the lever piece applies pressure to the pressure sensor, the pressure received by the pressure sensor changes, when the pressure exceeds a critical value, the pressure sensor transmits a signal to the elevator controller, and then the elevator controller controls the elevator to stop running.
From the above description, the invention has the beneficial effects that one end of the main cable penetrates through the anti-falling part and then extends into the clamping ring to be clamped, when the main cable is influenced by external force to be separated and hung by other objects when the elevator runs, the elevator drives the main cable to ascend or descend, then the main cable tilts or presses down one end of the lever part, the other end of the lever part applies pressure to the pressure sensor to enable the pressure received by the pressure sensor to change, when the pressure exceeds a critical value, the pressure sensor transmits a signal to the elevator controller, then the elevator controller controls the elevator to stop running, and therefore, when the main cable is influenced to be separated and hung by other objects, the main cable is prevented from being torn off when the elevator runs.
Further, still include the anticreep round pin, pressure sensor is last to be provided with first through-hole, the anticreep round pin is worn to locate in the first through-hole, the anticreep round pin is used for preventing pressure sensor breaks away from the mounting.
As can be seen from the above description, the pressure sensor is provided with the first through hole, the anti-drop pin is inserted into the first through hole, and the anti-drop pin is used for preventing the pressure sensor from being separated from the fixing member, so that the pressure sensor is prevented from being separated from the fixing member.
Further, still include supplementary anticreep spare, the both sides of swing arm are provided with one respectively supplementary anticreep spare, supplementary anticreep spare is used for preventing that the main cable breaks away from the swing arm.
It can be known from the above description that, through the both sides of swing arm are provided with one respectively supplementary anticreep spare, supplementary anticreep spare is used for preventing that the main cable wire breaks away from the swing arm is favorable to avoiding the main cable wire to break away from the swing arm leads to pressure that pressure sensor received to fluctuate.
Further, the clamping device further comprises a locking member, and the locking member is arranged on the clamping ring.
From the above description, it can be known that the locking member is arranged on the clamping ring, which is beneficial to fixing the main cable, so that the pressure data received by the pressure sensor is more accurate when the pressure fluctuates.
Furthermore, a second through hole is formed in one end of the lever piece and one end of the fixing piece, and the fulcrum piece penetrates through the second through hole.
As can be seen from the above description, the lever member and the fixing member are provided at one end thereof with a second through hole, and the fulcrum member is inserted into the second through hole, thereby facilitating the stability of the lever structure between the lever member and the fulcrum member.
Example one
Referring to fig. 1 to 3, a lever-type cable breakage-preventing protection device includes a lever member 3, a fulcrum member 2, a pressure sensor 1 and a fixing member 9, wherein the lever member 3 is disposed inside the fixing member 9 and is connected to one end of the fixing member 9 through the fulcrum member 2, the other end of the fixing member 9 is connected to the pressure sensor 1, and one end of the lever member 3 is connected to the pressure sensor 1;
the other end of the lever member 3 is provided with an anti-drop part 4, and the anti-drop part 4 is used for fixing the main cable 11;
the other end of the lever member 3 is provided with a swing arm 5, and one end of the swing arm 5 far away from the lever member 3 is provided with the clamping ring 8;
the pressure sensor 1 is electrically connected with the elevator controller;
the pressure sensor is characterized by further comprising an anti-dropping pin 10, wherein a first through hole is formed in the pressure sensor 1, the anti-dropping pin 10 is arranged in the first through hole in a penetrating mode, and the anti-dropping pin 10 is used for preventing the pressure sensor 1 from dropping off the fixing piece 9;
the swing arm is characterized by further comprising an auxiliary anti-falling part 6, wherein the auxiliary anti-falling part 6 is arranged on each of two sides of the swing arm 5, and the auxiliary anti-falling parts 6 are used for preventing the main cable 11 from falling off the swing arm 5;
the clamping ring further comprises a locking piece 7, and the locking piece 7 is arranged on the clamping ring 8;
one end of the lever member 3 and the fixing member 9 is provided with a second through hole, and the fulcrum member 2 is arranged in the second through hole in a penetrating manner.
When the elevator is operated, the main cable 11 is pulled out by external force and hung by other objects, the elevator drives the main cable 11 to ascend or descend, then the main cable 11 tilts or presses down one end of the lever member 3, the other end of the lever member 3 applies pressure to the pressure sensor 1, so that the pressure received by the pressure sensor 1 changes, when the pressure exceeds a critical value, the pressure sensor 1 transmits a signal to the elevator controller, and then the elevator controller controls the elevator to stop operation.
In summary, according to the lever type cable breakage preventing protection device provided by the invention, one end of the main cable penetrates through the disengagement preventing part and then extends into the clamping ring to be clamped, when the main cable is disengaged under the influence of external force and is hung by other objects when the lifter operates, the lifter drives the main cable to ascend or descend, then the main cable tilts or presses down one end of the lever member, the other end of the lever member applies pressure to the pressure sensor to enable the pressure received by the pressure sensor to change, when the pressure exceeds a critical value, the pressure sensor transmits a signal to the lifter controller, then the lifter controller controls the lifter to stop operating, so that the main cable is prevented from being torn when the lifter is lifted when the main cable is disengaged under the influence and is hung by other objects, the auxiliary disengagement preventing members are respectively arranged on two sides of the swing arm, the auxiliary anti-falling part is used for preventing a main cable from being separated from the swing arm, and is favorable for avoiding the main cable from being separated from the swing arm, so that the pressure received by the pressure sensor fluctuates, the pressure sensor is provided with a first through hole, the anti-falling pin penetrates through the first through hole, and the anti-falling pin is used for preventing the pressure sensor from being separated from the fixing part, and is favorable for avoiding the pressure sensor from being separated from the fixing part.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (5)
1. A lever type cable breakage-proof protection device is characterized by comprising a lever member, a fulcrum member, a pressure sensor and a fixing member, wherein the lever member is arranged in the fixing member and is connected with one end of the fixing member through the fulcrum member, the other end of the fixing member is connected with the pressure sensor, and one end of the lever member is connected with the pressure sensor;
the other end of the lever piece is provided with an anti-falling part which is used for fixing the main cable;
the other end of the lever member is provided with a swing arm, and one end of the swing arm, which is far away from the lever member, is provided with the clamping ring;
the pressure sensor is electrically connected with the elevator controller.
2. A lever type cable breakage prevention protection device as claimed in claim 1, wherein: still include the anticreep round pin, the last first through-hole that is provided with of pressure sensor, the anticreep round pin is worn to locate in the first through-hole, the anticreep round pin is used for preventing pressure sensor breaks away from the mounting.
3. A lever type cable breakage prevention protection device as claimed in claim 1, wherein: still include supplementary anticreep piece, the both sides of swing arm are provided with one respectively supplementary anticreep piece, supplementary anticreep piece is used for preventing that the main cable breaks away from the swing arm.
4. A lever type cable breakage prevention protection device as claimed in claim 1, wherein: the clamping ring is characterized by further comprising a locking piece, and the locking piece is arranged on the clamping ring.
5. A lever type cable breakage prevention protection device as claimed in claim 1, wherein: one end of the lever piece and the fixing piece is provided with a second through hole, and the fulcrum piece is arranged in the second through hole in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829899.0A CN112441508A (en) | 2019-09-04 | 2019-09-04 | Lever type cable breakage-proof protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829899.0A CN112441508A (en) | 2019-09-04 | 2019-09-04 | Lever type cable breakage-proof protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112441508A true CN112441508A (en) | 2021-03-05 |
Family
ID=74734394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910829899.0A Pending CN112441508A (en) | 2019-09-04 | 2019-09-04 | Lever type cable breakage-proof protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112441508A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207837A (en) * | 2022-07-11 | 2022-10-18 | 中国建筑第二工程局有限公司 | Overhead cable laying method and safety protection auxiliary device thereof |
-
2019
- 2019-09-04 CN CN201910829899.0A patent/CN112441508A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207837A (en) * | 2022-07-11 | 2022-10-18 | 中国建筑第二工程局有限公司 | Overhead cable laying method and safety protection auxiliary device thereof |
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