CN212531864U - Elevator weighing device - Google Patents
Elevator weighing device Download PDFInfo
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- CN212531864U CN212531864U CN202021142570.1U CN202021142570U CN212531864U CN 212531864 U CN212531864 U CN 212531864U CN 202021142570 U CN202021142570 U CN 202021142570U CN 212531864 U CN212531864 U CN 212531864U
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Abstract
The utility model relates to an elevator weighing device, which comprises a fixed rope hitch plate, a rope hitch rod and a movable rope hitch plate; the rope end rod is provided with a spring, and the movable rope hitch plate is movably connected on the spring and is parallel to the fixed rope hitch plate; the rope fastening plate comprises a fixed rope hitch plate and is characterized in that a first signal column and a second signal column are arranged on the upper surface of the fixed rope hitch plate, a third signal column and a fourth signal column are arranged at the corresponding positions of the lower surface of the movable rope hitch plate, the height of the first signal column is the same as that of the upper end surface of the second signal column, the height of the third signal column is the same as that of the lower end surface of the fourth signal column, a groove is formed in the upper surface of the first signal column, a boss is arranged on the third signal column, a first circuit is connected between the first signal column and the third signal column, and a second circuit is connected between the second signal column and the fourth signal column. The utility model discloses simple structure, simple to operate compares simultaneously in prior art the cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the technique of elevator part and specifically relates to an elevator weighing device is related to.
Background
The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle and is used for carrying people or goods in a multi-storey building; in the operation of elevators, the weighing device of an elevator is very important for the safe operation of the elevator.
The weighing device among the prior art mainly adopts pressure-sensitive formula structure, and in the elevator at the bottom of unmovable sedan-chair, the pressure that the rope hitch plate was given transmits weighing device with the mode of signal of telecommunication through pressure sensor, and weighing device transmits this signal for the mainboard with digital signal's mode again to judge whether the elevator overloads. The pressure sensor is mainly composed of two parts, wherein the first part is the elastic sensitive element and converts the pressure and the mass of a measured object into a strain value of an elastic body; the second part is a resistance strain gauge as a sensing element, which synchronously converts the strain of the elastic body into a change of resistance value, and then outputs the change after corresponding conversion. The debugging of pressure sensor and the self-learning of weighing device can bring very big puzzlement for the installer often to the weighing device needs the timing debugging of professional, and the accurate weighing data of guarantee pressure sensor, otherwise the elevator can often report the trouble in the aspect of weighing, influences the availability factor of elevator, and this kind of weighing device cost is higher, is unfavorable for the competition of market economy.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing an elevator weighing device, simple structure, convenient debugging, convenient change.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an elevator weighing device comprises a fixed rope hitch plate, a rope head rod connected to the fixed rope hitch plate and a movable rope hitch plate connected to the rope head rod;
the fixed rope hitch plate is positioned at the bottom of the whole elevator weighing device, a spring is arranged on the rope hitch rod, and the movable rope hitch plate is movably connected to the spring and is parallel to the fixed rope hitch plate;
the rope fastening plate comprises a fixed rope hitch plate and is characterized in that a first signal column and a second signal column are arranged on the upper surface of the fixed rope hitch plate, a third signal column and a fourth signal column are arranged at the corresponding positions of the lower surface of the movable rope hitch plate, the height of the first signal column is the same as that of the upper end surface of the second signal column, the height of the third signal column is the same as that of the lower end surface of the fourth signal column, a groove is formed in the upper surface of the first signal column, a boss is arranged on the lower end surface of the third signal column, a first circuit is connected between the first signal column and the third signal column, and a second circuit is connected between the second signal column and the fourth signal column.
By adopting the technical scheme, when the load is no, the distance exists between the boss on the first signal column and the upper surface of the third signal column, when the load is full, the boss on the first signal column is contacted with the upper surface of the third signal column, the first circuit is switched on, and the full load is displayed; when the overload occurs, the bottom surface of the boss on the first signal column is contacted with the bottom surface of the groove of the third signal column, meanwhile, the second signal column is contacted with the fourth signal column, the second circuit is connected, and the overload is displayed; above-mentioned scheme simple structure, simple to operate compares simultaneously in prior art the cost is reduced.
The present invention may be further configured in a preferred embodiment as: the outer wall of the boss and the inner wall of the groove are both provided with connecting contacts, and when the outer wall of the boss is contacted with the inner wall of the groove, a first circuit is switched on; when the lower surface of the boss is contacted with the bottom surface of the groove, the upper surface of the second signal post is contacted with the lower surface of the fourth signal post, and a second circuit is connected.
Through adopting above-mentioned technical scheme, prevent that the boss outer wall can not contact with the recess inner wall, guaranteed that first circuit and second circuit can both close and communicate, make whole weighing device can normally work.
The present invention may be further configured in a preferred embodiment as: the shape of the groove is matched with that of the boss, and the groove is cylindrical.
By adopting the technical scheme, the contact area between the groove and the boss is increased; and the condition that the lug boss cannot enter the groove is prevented, and the closing of the second circuit cannot be influenced.
The present invention may be further configured in a preferred embodiment as: the first signal column and the second signal column are fixed on the fixed rope hitch plate through bolts, and the third signal column and the fourth signal column are fixed on the movable rope hitch plate through bolts.
Through adopting above-mentioned technical scheme, prevent that the signal post from dropping down from its rope hitch plate at place, make it more firm of installation, conveniently change simultaneously.
The present invention may be further configured in a preferred embodiment as: and at least two groups of combinations of a first signal column and a third signal column and combinations of a second signal column and a fourth signal column are arranged between the fixed rope hitch plate and the movable rope hitch plate.
Through adopting above-mentioned technical scheme, when preventing that a set of signal post from damaging, can't weigh, increased elevator weighing device's life and the security of elevator.
The present invention may be further configured in a preferred embodiment as: the first signal column and the second signal column are symmetrically arranged on the fixed rope hitch plate.
Through adopting above-mentioned technical scheme, prevent signal post interact, disturb the demonstration to can make the more accurate demonstration of elevator weighing device.
The present invention may be further configured in a preferred embodiment as: the first signal post is mounted at a height greater than the height of the spring at maximum compression.
Through adopting above-mentioned technical scheme, prevent that the spring from compressing to the biggest compression, can effectual protection spring, increase elevator weighing device's life.
The present invention may be further configured in a preferred embodiment as: the two ends of the rope end rod are sleeved with the screw caps to fix the rope end rod between the fixed rope hitch plate and the movable rope hitch plate.
Through adopting above-mentioned technical scheme, fix the spring between fixed rope hitch plate and activity rope hitch plate.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the utility model is empty, the distance between the boss on the first signal column and the upper surface of the third signal column exists, when the utility model is full load, the boss on the first signal column is contacted with the upper surface of the third signal column, the first circuit is connected, and the full load is displayed; when the overload occurs, the bottom surface of the boss on the first signal column is contacted with the bottom surface of the groove of the third signal column, meanwhile, the second signal column is contacted with the fourth signal column, the second circuit is connected, and the overload is displayed; the scheme has the advantages of simple structure and convenience in installation, and simultaneously reduces the cost compared with the prior art;
2. the utility model discloses the height of well signal post when the maximum compression of spring prevents that the spring from compressing to the maximum compression, can effectual protection spring, increases elevator weighing device's life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the present invention when it is empty;
FIG. 3 is a schematic structural view of the present invention when fully loaded;
fig. 4 is a schematic structural diagram of the present invention during overload.
In the figure, 1, a fixed rope hitch plate, 2, a movable rope hitch plate, 3, a first signal column, 31, a groove, 4, a second signal column, 5, a third signal column, 51, a boss, 6, a fourth signal column, 7, a rope hitch rod, 8 and a spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses an elevator weighing device, including fixed rope hitch plate 1, activity rope hitch plate 2 and fag end pole 7, fixed rope hitch plate 1 is located whole elevator weighing device's bottom, the shape of fixed rope hitch plate 1 is rectangular plate-like, fixed rope hitch plate 1 top is provided with the activity rope hitch plate 2 parallel with fixed rope hitch plate 1, be provided with the fag end pole 7 that six perpendicular to fixed rope hitch plate 1 and be parallel to each other between fixed rope hitch plate 1 and the activity rope hitch plate 2, fix fag end pole 7 on fixed rope hitch plate 1 and activity rope hitch plate 2 through fixing nut on fag end pole 7, all install spring 8 on every fag end pole 7.
Referring to fig. 1, a first signal column 3 is fixed on the right side of the upper surface of a fixed rope hitch plate 1 through a bolt, a third signal column 5 is fixed on the corresponding position of the lower surface of a movable rope hitch plate 2 through a bolt, the first signal column 1 and the third signal column 3 are both cylindrical and have the same diameter, the first signal column 3 and the third signal column 5 are connected into a first circuit, and a full-load display screen is connected onto the first circuit; the center of the upper surface of the first signal post 3 is provided with a cylindrical groove 31, and the center of the lower surface of the third signal post 5 is provided with a boss 51 matched with the groove 31 in shape; not only increasing the contact area of the groove 31 and the boss 51; the boss 51 is prevented from entering the groove 31, and the closing of the second circuit is not influenced; all be provided with the connection contact on boss 51 outer wall and the recess 31 inner wall, prevent that boss 51 outer wall can not contact with recess 31 inner wall to prevent that the boss outer wall can not contact with the recess inner wall, guaranteed that first circuit and second circuit can both close and communicate, make whole weighing device can normally work.
Referring to fig. 1, a second signal column 4 is fixed on the left side of the upper surface of a fixed rope hitch plate 1 through a bolt, a fourth signal column 6 is arranged at a corresponding position of the lower surface of a movable rope hitch plate 2, and the second signal column 4 is the same as the first signal column 3 in height and is higher than the spring 8 in maximum compression, so that the structure can prevent the spring 8 from being compressed to the maximum compression, effectively protect the spring 8 and prolong the service life of an elevator weighing device; the second signal column 4 and the fourth signal column 6 are both cylindrical and have the same diameter, the second signal column 4 and the fourth signal column 6 are connected to a second circuit, the second circuit is connected with an overload display screen, and through the structure, when the load is no, a distance exists between the lower surface of the boss 51 and the upper surface of the first signal column 3; when the signal column is fully loaded, the boss 51 is contacted with the upper surface of the first signal column 3, the first circuit is connected, and the full load is displayed; when the overload occurs, the upper surface of the second signal column 4 is in contact with the lower surface of the fourth signal column 6, the second circuit is connected, and the overload is displayed; above-mentioned scheme simple structure, simple to operate compares simultaneously in prior art the cost is reduced.
Referring to fig. 1, a combination of two groups of first signal columns 3 and third signal columns 5 and a combination of a second signal column 4 and a fourth signal column 6 are arranged between a fixed rope hitch plate 1 and a movable rope hitch plate 2, so that when one group of signal columns is damaged, weighing cannot be carried out, and the service life of an elevator weighing device is prolonged; on two sets of signal post and the even symmetrical arrangement four angles of circuit, wherein the second circuit is arranged on the left side rather than corresponding signal post, and first circuit is arranged on the right side rather than corresponding signal post, prevents signal post interact, and the interference display to can make the more accurate demonstration of elevator weighing device.
The implementation principle of the embodiment is as follows: referring to fig. 2, when the signal connector is unloaded, the lower surface of the boss 51 is separated from the upper surface of the first signal post 3, and the first circuit and the second circuit are both disconnected; as a person continuously enters the elevator, the movable rope hitch plate 2 is pressed to continuously move downwards, and referring to fig. 3, when the elevator is fully loaded, the lower surface of the boss 51 is contacted with the upper surface of the first signal column 3, the first circuit is connected, and the full load is displayed; when the person continues to enter the elevator and the movable rope hitch plate 2 continues to move downwards, referring to fig. 4, the bottom surface of the boss 31 contacts with the bottom surface of the groove 51, and simultaneously the second signal post 4 contacts with the fourth signal post 6, the second circuit is connected, and overload is displayed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. An elevator weighing device which characterized in that: comprises a fixed rope hitch plate (1), a rope head rod (7) connected on the fixed rope hitch plate (1) and a movable rope hitch plate (2) connected on the rope head rod (7);
the fixed rope hitch plate (1) is positioned at the bottom of the whole elevator weighing device, a spring (8) is arranged on the rope hitch rod (7), and the movable rope hitch plate (2) is movably connected to the spring (8) and is parallel to the fixed rope hitch plate (1);
fixed rope hitch plate (1) upper surface is provided with first signal post (3) and second signal post (4), the corresponding position of activity rope hitch plate (2) lower surface is provided with third signal post (5) and fourth signal post (6), first signal post (3) height is the same with second signal post (4) up end height, third signal post (5) height is the same with fourth signal post (6) lower extreme height, first signal post (3) upper surface is provided with recess (31), third signal post (5) lower extreme surface is provided with boss (51), be connected with first circuit between first signal post (3) and third signal post (5), be connected with the second circuit between second signal post (4) and fourth signal post (6).
2. The elevator weighing apparatus of claim 1, wherein: the outer wall of the boss (51) and the inner wall of the groove (31) are both provided with connecting contacts, and when the outer wall of the boss (51) is in contact with the inner wall of the groove (31), a first circuit is switched on; when the lower surface of the boss (51) is contacted with the bottom surface of the groove (31), the upper surface of the second signal post (4) is contacted with the lower surface of the fourth signal post (6), and a second circuit is connected.
3. An elevator weighing apparatus as defined in claim 2, wherein: the shape of the groove (31) is matched with that of the boss (51), and the shape of the groove is cylindrical.
4. The elevator weighing apparatus of claim 1, wherein: the first signal column (3) and the second signal column (4) are fixed on the fixed rope hitch plate (1) through bolts, and the third signal column (5) and the fourth signal column (6) are fixed on the movable rope hitch plate (2) through bolts.
5. The elevator weighing apparatus of claim 1, wherein: at least two groups of combinations of a first signal column (3) and a third signal column (5) and combinations of a second signal column (4) and a fourth signal column (6) are arranged between the fixed rope head plate (1) and the movable rope head plate (2).
6. An elevator weighing apparatus as defined in claim 5, wherein: the first signal column (3) and the second signal column (4) are symmetrically arranged on the fixed rope hitch plate (1).
7. The elevator weighing apparatus of claim 6, wherein: the first signal post (3) is mounted at a height greater than the height of the spring (8) at maximum compression.
8. The elevator weighing apparatus of claim 1, wherein: nuts are sleeved at two ends of the rope end rod (7) to fix the rope end rod (7) between the fixed rope end plate (1) and the movable rope end plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021142570.1U CN212531864U (en) | 2020-06-19 | 2020-06-19 | Elevator weighing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021142570.1U CN212531864U (en) | 2020-06-19 | 2020-06-19 | Elevator weighing device |
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| Publication Number | Publication Date |
|---|---|
| CN212531864U true CN212531864U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021142570.1U Active CN212531864U (en) | 2020-06-19 | 2020-06-19 | Elevator weighing device |
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| Country | Link |
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| CN (1) | CN212531864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655808A (en) * | 2022-05-25 | 2022-06-24 | 河南省矿山起重机有限公司 | Method for calibrating elevator overload protection device |
-
2020
- 2020-06-19 CN CN202021142570.1U patent/CN212531864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114655808A (en) * | 2022-05-25 | 2022-06-24 | 河南省矿山起重机有限公司 | Method for calibrating elevator overload protection device |
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