CN210366472U - Elevator wire rope fracture detection device - Google Patents
Elevator wire rope fracture detection device Download PDFInfo
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- CN210366472U CN210366472U CN201921402679.1U CN201921402679U CN210366472U CN 210366472 U CN210366472 U CN 210366472U CN 201921402679 U CN201921402679 U CN 201921402679U CN 210366472 U CN210366472 U CN 210366472U
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- elevator
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Abstract
The utility model relates to an elevator wire rope fracture detection device, it includes: the rope end assembly, the rope end plate, the mounting frame body and the induction assembly are arranged on the rope end assembly; rope hitch plate middle part is equipped with the mounting hole, rope fastening pass the mounting hole install in on the rope hitch plate, the installation support body includes mounting panel, limiting plate and two above bracing pieces, the mounting panel with the limiting plate is located top of rope hitch plate in proper order top-down, bracing piece one end fixed connection the mounting panel, the other end passes the limiting plate with the rope hitch plate is connected, seted up on the limiting plate with the corresponding spacing hole of rope fastening, response subassembly includes extension rod and sensing element, the extension rod passes spacing hole with rope fastening rigid connection, sensing element install in the mounting panel below, and with the extension rod corresponds from top to bottom. The utility model has the advantages of reasonable design, adjust simply, simple to operate, low cost, the security performance improves greatly.
Description
Technical Field
The utility model relates to an elevator technical field, specifically speaking relate to an elevator wire rope fracture detection device.
Background
The steel wire rope is used as an important suspension device of the elevator to bear the whole weight of the elevator car, the car is driven to ascend and descend by means of sheave friction force, so that the safety of the steel wire rope is an important link for ensuring the use safety of the elevator, and nowadays, because the number of the steel wire ropes of the elevator is large, one steel wire rope can not be broken in time, but the breakage of other steel wire ropes can be accelerated, so that the threat to the safety of a human body is brought. In the prior art, CN204549695U provides a simple-structure elevator rope breakage detection device, and its principle is: when the steel wire rope is broken, the compressed spring in the rope head combination connected with the steel wire rope can instantly generate elastic restoring force to jack up the detection switch mounting plate to touch the inclined acting plate, so that the safety loop of the elevator is disconnected, and the elevator stops running; however, it is not considered that when the wire rope far from the inclined acting plate is broken, the detection switch mounting plate far from the inclined acting plate is subjected to an upward force, and the detection switch mounting plate near to the inclined acting plate is subjected to a downward force, so that the detection switch may not touch the inclined acting plate, and the detection switch mounting plate may be damaged greatly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the defect that exists among the prior art, provide a simple structure, reasonable in design's an elevator wire rope fracture detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an elevator wire rope breakage detection device, comprising: the rope end assembly, the rope end plate, the mounting frame body and the induction assembly are arranged on the rope end assembly;
rope hitch plate middle part is equipped with the mounting hole, rope fastening pass the mounting hole install in on the rope hitch plate, the installation support body includes mounting panel, limiting plate and two above bracing pieces, the mounting panel with the limiting plate is located top of rope hitch plate in proper order top-down, bracing piece one end fixed connection the mounting panel, the other end passes the limiting plate with the rope hitch plate is connected, seted up on the limiting plate with the corresponding spacing hole of rope fastening, response subassembly includes extension rod and sensing element, the extension rod passes spacing hole with rope fastening rigid connection, sensing element install in the mounting panel below, and with the extension rod corresponds from top to bottom.
As a further improvement, the fixed buffering head that is provided with in extension rod top, the buffering head is elastic material.
As a further improvement, the utility model discloses the bracing piece is the threaded rod, the limiting plate with rope hitch plate on seted up respectively with the corresponding last through-hole of bracing piece and lower through-hole, the bracing piece passes in proper order go up the through-hole with lower through-hole to through adjusting nut with state the limiting plate with rope hitch plate keeps fixed.
As a further improvement of the present invention, the support rods are four and are respectively located at four corners of the mounting plate.
As a further improvement of the present invention, the bottom end of the extension rod is provided with an internal thread hole adapted to the external thread of the top end of the rope combination.
As a further improvement of the present invention, the bottom end of the extension rod is provided with an external thread section, and the extension rod is connected to the rope end through an internal thread bushing.
As a further improvement of the present invention, the sensing element is a pressure sensor or a displacement sensor.
As a further improvement, the elevator control system further comprises a control module, the input end of the control module is connected with the sensing element, and the output end of the control module is connected with the elevator control cabinet.
The utility model provides an elevator fracture detection device lays sensing element above fag end combination, when the elevator in service takes place the wire rope fracture suddenly, sensing element can be in time responded to, avoids the elevator broken string operation to break down.
The utility model rigidly connects the extension rod on the rope head combination, and the buffer head is arranged on the top end of the extension rod, on one hand, the change can be effectively transmitted to the induction element when the steel wire rope is broken, and on the other hand, the induction element is prevented from being damaged due to the overlarge restoring force of the spring; the bracing piece is the threaded rod, establishes the mouth of passing on limiting plate, the hitch plate, can adjust the relative distance of extension rod and response element, improves the accuracy nature of testing result.
The utility model has the advantages of reasonable design, adjust simply, simple to operate, low cost, the security performance improves greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a perspective view of embodiment 1 of the present invention;
fig. 2 is a front view of embodiment 1 of the present invention;
fig. 3 is a schematic structural view of the mounting frame body of the present invention;
fig. 4 is a schematic structural view of the rope hitch plate of the present invention;
fig. 5 is a schematic structural diagram of the limiting plate of the present invention;
fig. 6 is a perspective view of embodiment 2 of the present invention;
fig. 7 is a front view of embodiment 2 of the present invention;
wherein: the rope comprises a rope head combination 1, a threaded pull rod 1-1, a rope head plate 2, a mounting hole 2-1, a lower through hole 2-2, a mounting frame 3, a mounting plate 3-1, a limiting plate 3-2, a supporting rod 3-3, a limiting hole 3-4, an upper through hole 3-5, an adjusting nut 3-6, an induction component 4, an extension rod 4-1, an induction element 4-2, a buffer head 4-3, an external threaded section 4-4, an internal threaded sleeve 4-5 and an internal threaded hole 4-6.
Detailed Description
To make the objects, aspects and advantages of the present invention clearer and more fully described below with reference to the following detailed description, it is to be understood that the terms "vertical", "horizontal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations and positional relationships based on the drawings, and are used for convenience of description and simplicity of description only, but do not indicate or imply that the designated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Example 1
As shown in fig. 1, 2, 3, 4 and 5, an elevator rope breakage detecting apparatus includes: rope hitch 1, rope hitch plate 2, installation support body 3 and response subassembly 4. The middle of the rope hitch plate 2 is provided with a mounting hole 2-1, the rope hitch assembly 1 penetrates through the mounting hole 2-1 to be mounted on the rope hitch plate 2, and four corners of the rope hitch plate 2 are provided with lower through holes 2-2. As shown in fig. 3, the mounting frame body 3 includes a mounting plate 3-1, a limiting plate 3-2 and four support rods 3-3, the support rods 3-3 are threaded rods, the four support rods 3-3 are fixedly connected to four corners of the mounting plate 3-1 to form a stable support for the mounting plate 3-1, and the fixed connection manner may be welding or threaded connection. The rope fastening device is characterized in that four corners of the limiting plate 3-2 are provided with upper through holes 3-5 corresponding to the supporting rods 3-3, the middle of the limiting plate is provided with limiting holes 3-4 corresponding to the rope end combination 1, the mounting plate 3-1 and the limiting plates 3-2 are sequentially located right above the rope head plate 2 from top to bottom, the supporting rods 3-3 sequentially penetrate through the upper through holes 3-5 of the limiting plates 3-2 and the lower through holes 2-2 of the rope head plate 2, and the fixing of the limiting plates 3-2 and the rope head plate 2 is achieved through paired adjusting nuts 3-6. The induction component 4 comprises an induction element 4-2 and an extension rod 4-1, the induction element 4-2 is positioned below the mounting plate 3-1 and is fixedly connected with the mounting plate 3-1, the extension rod 4-1 is located above the rope end combination 1, the upper portion of the extension rod penetrates through the limiting hole 3-4, the bottom of the extension rod 4-1 is provided with an external thread section 4-4, the top of the rope end combination 1 is provided with a thread pull rod 1-1, the extension rod 4-1 is rigidly connected with the rope end combination 1 through an internal thread sleeve 4-5, and the top end of the extension rod 4-1 is fixedly provided with a buffer head 4-3 made of an elastic material, and the buffer head is a rubber cap as an implementation mode, so that on one hand, when a steel wire rope is broken, changes can be effectively transmitted to the sensing element 4-2, and on the other hand, the sensing element 4-2 is prevented from being damaged due.
Example 2
As shown in fig. 3, 4 and 5, 6 and 7, an elevator rope breakage detecting apparatus includes: rope hitch 1, rope hitch plate 2, installation support body 3 and response subassembly 4. The middle part of the rope hitch plate 2 is provided with a mounting hole 2-1, the rope hitch assembly 1 passes through the mounting hole 2-1 to be mounted on the rope hitch plate 2, and four corners of the rope hitch plate 2 are provided with lower through holes 2-2. The mounting frame body 3 comprises a mounting plate 3-1, a limiting plate 3-2 and four supporting rods 3-3, the supporting rods 3-3 are threaded rods, the four supporting rods 3-3 are fixedly connected to four corners of the mounting plate 3-1 to form stable supports for the mounting plate 3-1, and the fixed connection mode can be welding or threaded connection. The rope fastening device is characterized in that four corners of the limiting plate 3-2 are provided with upper through holes 3-5 corresponding to the supporting rods 3-3, the middle of the limiting plate is provided with limiting holes 3-4 corresponding to the rope end combination 1, the mounting plate 3-1 and the limiting plates 3-2 are sequentially located right above the rope head plate 2 from top to bottom, the supporting rods 3-3 sequentially penetrate through the upper through holes 3-5 of the limiting plates 3-2 and the lower through holes 2-2 of the rope head plate 2, and the fixing of the limiting plates 3-2 and the rope head plate 2 is achieved through paired adjusting nuts 3-6. The induction component 4 comprises an induction element 4-2 and an extension rod 4-1, the induction element 4-2 is located below the mounting plate 3-1 and fixedly connected with the mounting plate 3-1, the extension rod 4-1 is located above the rope end combination 1, the upper portion of the extension rod passes through the limiting hole 3-4, the bottom of the extension rod 4-1 is an external thread section 4-4, the top of the rope end combination 1 is a threaded pull rod 1-1, an internal thread hole 4-6 at the bottom of the extension rod 4-1 is matched and connected with the threaded pull rod 1-1 at the top of the rope end combination 1, the top end of the extension rod 4-1 is fixedly provided with a buffer head 4-3 made of an elastic material, the buffer head is a rubber cap as an implementation mode, on one hand, when a steel wire rope breaks, the change can be effectively transmitted to the induction element 4-2, on the other hand, the sensing element 4-2 is prevented from being damaged due to excessive restoring force of the spring.
When the rope end combination is used, the relative height between the limiting plate 3-2 and the rope hitch plate 2 is adjusted through the adjusting nut 3-6 on the supporting rod 3-3, the distance between the buffering head 4-3 and the mounting plate 3-1 is located, when the rope end combination moves, the limiting plate cannot be touched, the limiting plate effectively limits the transverse displacement of the extension rod, and the induction error is reduced. The lower end of the rope end combination 1 is connected with an elevator steel wire rope, when an elevator operates normally, a physical value A sensed by a sensing element fluctuates within a certain range, when the elevator steel wire rope is broken, a compressed spring in the rope end combination 1 instantly generates upward elastic restoring force to drive an extension rod 4-1 which is rigidly connected with the rope end combination 1 and a buffer head 4-3 connected with the extension rod 4-1 to move upwards, the sensing element 4-2 senses a physical value B which has a large difference range with the previously received physical value A, the sensing element 4-2 transmits the physical value B to a control module in a signal form, and the control module outputs an instruction to an elevator control cabinet based on the difference value between the physical value B and the physical value A to emergently stop the elevator, so that the personal safety of passengers is guaranteed.
The physical values sensed by the sensing elements may be displacement and pressure, the corresponding sensing elements are a displacement sensor and a pressure sensor, the sensing elements are all existing products, the control principle of the control module is well known to those skilled in the art, and the detailed description is omitted in this embodiment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. The utility model provides an elevator wire rope fracture detection device which characterized in that, it includes: the rope end assembly (1), the rope end plate (2), the mounting frame body (3) and the induction assembly (4);
the rope hitch plate is characterized in that a mounting hole (2-1) is formed in the middle of the rope hitch plate (2), the rope hitch assembly (1) penetrates through the mounting hole (2-1) to be mounted on the rope hitch plate (2), the mounting frame body (3) comprises a mounting plate (3-1), a limiting plate (3-2) and more than two supporting rods (3-3), the mounting plate (3-1) and the limiting plate (3-2) are sequentially arranged above the rope hitch plate (2) from top to bottom, one end of each supporting rod (3-3) is fixedly connected with the mounting plate (3-1), the other end of each supporting rod (3-2) penetrates through the limiting plate (3-2) to be connected with the rope hitch plate (2), limiting holes (3-4) corresponding to the rope hitch assembly (1) are formed in the limiting plates (3-2), each sensing assembly (4) comprises an extension rod (4-1) and a sensing element (, the extension rod (4-1) penetrates through the limiting hole (3-4) to be rigidly connected with the rope head combination (1), and the sensing element (4-2) is installed below the installation plate (3-1) and vertically corresponds to the extension rod (4-1).
2. The elevator steel wire rope breakage detection device according to claim 1, wherein a buffer head (4-3) is fixedly arranged at the top end of the extension rod (4-1), and the buffer head (4-3) is made of an elastic material.
3. The elevator steel wire rope breakage detection device according to claim 1 or 2, wherein the support rod (3-3) is a threaded rod, the limit plate (3-2) and the rope hitch plate (2) are respectively provided with an upper through hole (3-5) and a lower through hole (2-2) corresponding to the support rod (3-3), and the support rod (3-3) sequentially passes through the upper through hole (3-5) and the lower through hole (2-2) and is fixed with the limit plate (3-2) and the rope hitch plate (2) through an adjusting nut (3-6).
4. An elevator wire rope breakage detection apparatus as claimed in claim 3, wherein the number of support rods (3-3) is four, and the four support rods are respectively located at four corners of the mounting plate (3-1).
5. The elevator steel wire rope breakage detection device according to claim 1, characterized in that the bottom end of the extension rod (4-1) is provided with an internal threaded hole (4-6) matched with the external thread at the top end of the rope end combination (1).
6. The elevator steel wire rope breakage detection device according to claim 1, characterized in that the bottom end of the extension rod (4-1) is provided with an external thread section (4-4), and the extension rod (4-1) is connected with the rope end combination (1) through an internal thread sleeve (4-5).
7. The elevator rope breakage detection apparatus according to claim 1, wherein the sensing element (4-2) is a pressure sensor or a displacement sensor.
8. The elevator steel wire rope breakage detection device according to claim 1, further comprising a control module, wherein an input end of the control module is connected with the sensing element, and an output end of the control module is connected with an elevator control cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402679.1U CN210366472U (en) | 2019-08-27 | 2019-08-27 | Elevator wire rope fracture detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921402679.1U CN210366472U (en) | 2019-08-27 | 2019-08-27 | Elevator wire rope fracture detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210366472U true CN210366472U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921402679.1U Active CN210366472U (en) | 2019-08-27 | 2019-08-27 | Elevator wire rope fracture detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210366472U (en) |
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2019
- 2019-08-27 CN CN201921402679.1U patent/CN210366472U/en active Active
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