CN213976537U

CN213976537U - Elevator weighing device

Info

Publication number: CN213976537U
Application number: CN202022909562.1U
Authority: CN
Inventors: 秦宇杰; 郭琦; 雷鹏; 李钦轩; 曾塬; 刘超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-08-17
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses an elevator weighing device belongs to elevator detection technical field. The device comprises an upper clamping mechanism and a lower clamping mechanism, wherein two ends of the lower clamping mechanism are respectively connected with two ends of the upper clamping mechanism through a weighing component, the weighing component comprises a tensioning weighing component, one end of the tensioning weighing component is movably connected with the upper clamping mechanism through a hinged support, and the other end of the tensioning weighing component is movably connected with the lower clamping mechanism through a hinged support. The assembling and disassembling work of the device is carried out in multiple steps, and the assembling work of each part can be completed quickly, so that the convenience of assembling operation is improved, and the labor intensity is reduced. The bolts for connecting the hanging plate and the seat plate are free from shearing force, the hanging plate and the seat plate are reliably connected, and the bearing capacity is strong. Directly weigh car or to heavy weight through drawing formula weighing sensor, the simple operation, measurement accuracy is high.

Description

Elevator weighing device

Technical Field

The utility model relates to an elevator weighing device belongs to elevator detection technical field.

Background

At present, most elevator balance coefficient test methods adopt a car loaded current balance test method and an unloaded power test method. When a car load current balance test method is adopted, 0%, 30%, 40%, 45%, 50%, 60% and 100% of rated load is loaded to the car and the car respectively runs up and down once, when the car and the counterweight are at the same height position and the speed is stable, the load percentage of the car is taken as an abscissa axis, the current magnitude is taken as an ordinate axis to draw up an ascending running curve and a descending running curve, and the abscissa value at the intersection point of the two curves is the magnitude of a balance coefficient. The method needs to convey the weight to the lift car repeatedly, which wastes time and labor. The no-load power method is to use the balance coefficient tested by the mechanical power and the motor power being equal, the lift car does not need to be loaded, but the elevator running system has many intermediate transmission mechanisms, each link has power loss, and the wind resistance is very high when the elevator running speed is high, thereby causing insufficient testing precision.

Chinese patent publication No. CN104210913A discloses an elevator no-load balance coefficient detection device, which comprises an upper clamp, a hydraulic cylinder assembly, a lower clamp and a tension sensor; the upper clamp is arranged above the hydraulic cylinder assembly and used for clamping the upper part of the selected traction rope section; the hydraulic cylinder assembly is used for lifting the lower clamp; the lower clamp is arranged below the hydraulic cylinder assembly and used for clamping the lower part of the selected traction rope section; the tension sensor is used for measuring the tension of the hydraulic cylinder assembly. The hydraulic cylinder assembly overcomes the unreliability of the pulley of the rope assembly in the prior art and simultaneously overcomes the problem that the pulley is easy to generate unbalance loading in the prior art. When the device is used, the assembly work of the left half detection device and the right half detection device is completed on the ground, then the left half detection device and the right half detection device clamp the hauling rope in an embracing mode, and finally the connection work of the upper portions and the lower portions of the left half detection device and the right half detection device is completed through four groups of fastening assemblies respectively.

However, the left half detection device or the right half detection device has a large weight after being added with the hydraulic oil pipe and oil in the pipe, so that the problems of inconvenient assembly operation and high labor intensity exist when the left half detection device and the right half detection device are assembled together.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an elevator weighing device.

The utility model discloses a following technical scheme can realize:

the utility model provides an elevator weighing device, includes fixture and lower fixture, fixture's both ends are connected with the both ends of last fixture through weighing component respectively down, weighing component is including taut weighing component, the one end of taut weighing component is through free bearing and last fixture swing joint, and the other end passes through free bearing and fixture swing joint down.

The tensioning weighing assembly comprises a connecting screw rod and an adjusting screw rod, and the adjusting screw rod is connected with the connecting screw rod through a pull-type weighing sensor.

The elevator weighing device also comprises a data display, and the data display is in wired or wireless connection with the pull-type weighing sensor.

The hinged support comprises a bearing plate, a through hole is formed in the middle of the bearing plate, and hinged shafts are arranged at two ends of the bearing plate.

The structure of the lower clamping mechanism is consistent with that of the upper clamping mechanism, and the lower clamping mechanism is arranged below the upper clamping mechanism in an inverted mode.

Go up fixture and include the holder and press from both sides the rope subassembly, the middle part of holder is equipped with the wedge groove, and the side can be dismantled and be connected with the link plate around the holder, and the both ends of link plate are equipped with the hinge ear groove, press from both sides the rope subassembly and be the wedge structure, and insert the inboard of dress at the wedge groove.

The holder includes two bedplate, is equipped with notch A on one of them bedplate, is equipped with notch B in the position corresponding with notch A on another bedplate, notch B and notch A cohesion form the dovetail, are equipped with two dovetails on one of them bedplate side by side, are equipped with two dovetails in the position corresponding with two dovetails on another bedplate, and the one end of this bedplate is equipped with the limiting plate that is used for two dovetail of shutoff, and two bedplates pass through dovetail and dovetail sliding connection.

One end of the seat board is provided with a spigot, and the hanging board is provided with a clamping strip at a position corresponding to the spigot.

The rope clamping component comprises two clamping plates, a plurality of rope grooves are correspondingly formed in the two clamping plates, and anti-skidding layers are arranged on the inner sides of the rope grooves.

The rope groove is an arc-shaped groove, and the anti-slip layer is a rubber coating coated on the inner surface of the rope groove.

The beneficial effects of the utility model reside in that:

1. the assembling and disassembling work of the device is carried out in multiple steps, and the assembling work of each part can be completed quickly, so that the convenience of assembling operation is improved, and the labor intensity is reduced.

2. The bolts for connecting the hanging plate and the seat plate are free from shearing force, the hanging plate and the seat plate are reliably connected, and the bearing capacity is strong.

3. Directly weigh car or to heavy weight through drawing formula weighing sensor, the simple operation, measurement accuracy is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is an exploded schematic view of the upper clamping mechanism of the present invention;

fig. 3 is a schematic structural view of the hinge base of the present invention;

fig. 4 is a schematic structural view of the present invention when the hoist rope is completely loosened between the upper clamping mechanism and the lower clamping mechanism.

In the figure: 1-upper clamping mechanism, 10-seat plate, 100-spigot, 11-hanging plate, 12-limiting plate, 13-clamping plate, 2-hinged support, 3-adjusting screw, 4-pull type weighing sensor, 5-connecting screw and 6-lower clamping mechanism.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

As shown in fig. 1 to 4, an elevator weighing device, including last fixture 1 and lower fixture 6, fixture 6's both ends are connected with the both ends of last fixture 1 through weighing the part respectively down, weighing the part including taut weighing component, the one end of taut weighing component is passed through free bearing 2 and is gone up fixture 1 swing joint, the other end through free bearing 2 and lower fixture 6 swing joint. When the hoisting device is used, the upper clamping mechanism 1 is firstly installed on the hoisting rope, then the tensioning weighing component is installed on the upper clamping mechanism 1 through the hinged support 2, and finally the lower clamping mechanism 6 is installed on the tensioning weighing component through the hinged support 2, and the connection work of the lower clamping mechanism 6 and the hoisting rope is completed. The assembly work of the whole elevator weighing device is generally divided into three steps, so that the convenience of assembly operation is improved, and the labor intensity is reduced.

The tensioning weighing component comprises a connecting screw rod 5 and an adjusting screw rod 3, and the adjusting screw rod 3 is connected with the connecting screw rod 5 through a pull-type weighing sensor 4.

The elevator weighing device also comprises a data display, and the data display is in wired or wireless connection with the pull-type weighing sensor 4. The data display is used for displaying the numerical value of the pull-type weighing sensor 4.

The hinged support 2 comprises a bearing plate, a through hole is formed in the middle of the bearing plate, and hinged shafts are welded at two ends of the bearing plate.

The structure of the lower clamping mechanism 6 is consistent with that of the upper clamping mechanism 1, and the lower clamping mechanism 6 is arranged below the upper clamping mechanism 1 in an inverted mode.

Go up fixture 1 and include the holder and press from both sides the rope subassembly, the middle part processing of holder has the wedge groove, and the side can be dismantled and be connected with link plate 11 around the holder, and the both ends processing of link plate 11 has the hinge ear groove, presss from both sides the rope subassembly and be the wedge structure, and insert and adorn in the inboard in wedge groove. When the hoisting rope clamping device is used, the hoisting rope is clamped by the rope clamping assembly, and the rope clamping assembly firmly clamps the hoisting rope by utilizing the sliding action of the wedge relative to the wedge-shaped groove. The shape and the size of the hinge lug groove are matched with those of the hinge shaft.

The holder includes two bedplate 10, and processing has notch A on one of them bedplate 10, and processing has notch B in the position corresponding with notch A on another bedplate 10, notch B and notch A cohesion form the dovetail, are equipped with two dovetails on one of them bedplate 10 side by side, and processing has two dovetails in the position corresponding with two dovetails on another bedplate 10, and the one end welding of this bedplate 10 has the limiting plate 12 that is used for two dovetail grooves of shutoff, and two bedplate 10 pass through dovetail and dovetail sliding connection. The dovetail groove is blocked by the limiting plate 12, so that the seat plate 10 with the dovetail is prevented from sliding out from the lower end of the other seat plate 10.

A seam allowance 100 is processed at one end of the seat plate 10, and a clamping strip is arranged on the hanging plate 11 at a position corresponding to the seam allowance 100. As shown in figure 2, when the weighing device is used, the hanging plate 11 is connected with the seat plate 10 through the bolt assembly, the seam allowance 100 and the clamping strip are arranged, and the bolt is prevented from being subjected to shearing force in the weighing process.

The rope clamping component comprises two clamping plates 13, a plurality of rope grooves are correspondingly processed on the two clamping plates 13, and anti-skidding layers are arranged on the inner sides of the rope grooves. When in use, a plurality of rope grooves are processed, so that the two clamping plates 13 can simultaneously clamp a plurality of hoisting ropes.

The rope groove is an arc-shaped groove, and the anti-slip layer is a rubber coating coated on the inner surface of the rope groove. The friction between the rope groove and the hoisting rope is increased through the rubber coating, and the clamping plate 13 is prevented from sliding relative to the hoisting rope when the hoisting rope is clamped.

Elevator weighing device, its theory of operation or use as follows:

(1) stopping the elevator at the position where the counterweight and the lift car are at the same height, and opening the elevator at the corresponding floor to enter the top of the lift car;

(2) when the clamping device is used for the first time, the assembly work of the hanging plate 11 and the seat plate 10 in the upper clamping mechanism 1 and the lower clamping mechanism 6 is completed;

(3) clamping the hoisting rope above the lift car by two clamping plates 13 in the upper clamping mechanism 1, enabling the small ends of the two clamping plates 13 to face upwards, completing the assembly of two seat plates 10 above the two clamping plates 13, moving the two seat plates 10 downwards, and enabling the wedge-shaped grooves to be sleeved on the two clamping plates 13, so that the installation work of the upper clamping mechanism 1 can be completed;

(4) the two hinged supports 2 are respectively placed in the hinge lug grooves at the two ends of the upper clamping mechanism 1, the upper ends of the adjusting screws 3 in the two groups of tensioning and weighing components respectively penetrate through holes in the two hinged supports 2, and then nuts are sleeved on the upper ends of the adjusting screws 3, so that the connection work of the tensioning and weighing components and the upper clamping mechanism 1 can be completed;

(5) the upside-down assembly work of the two seat plates 10 in the lower clamping mechanism 6 is completed below the upper clamping mechanism 1, the two seat plates 10 are moved downwards, and the hanging plate 11 is hung on the hinged support 2 at the lower end of the connecting screw rod 5 through the hinged lug groove, so that the connection work of the tensioning weighing assembly and the lower clamping mechanism 6 can be completed;

(6) clamping the hoisting rope between the upper clamping mechanism 1 and the lower clamping mechanism 6 by two clamping plates 13 in the lower clamping mechanism 6, moving the two clamping plates 13 downwards with the small ends of the clamping plates 13 facing downwards, and clamping the two clamping plates 13 into a wedge-shaped groove formed by two seat plates 10 in the lower clamping mechanism 6, so that the assembly work of the whole elevator weighing device can be completed;

(7) the nut at the upper end of the adjusting screw 3 is rotated to move the lower clamping mechanism 6 upwards until the traction rope between the upper clamping mechanism 1 and the lower clamping mechanism 6 is completely loosened, at this time, the weight of the whole cage is loaded through the two tensioning weighing assemblies, and then the weight of the cage is read from the data display.

Likewise, the method can be used to obtain the weight of the counterweight of the elevator in order to calculate the balance coefficient of the elevator.

The dismounting process of the elevator weighing device is opposite to the mounting process.

To sum up, the utility model provides an elevator weighing device compares with prior art, has following beneficial effect:

2. The bolts for connecting the hanging plate 11 and the seat plate 10 are free from shearing force, the hanging plate 11 and the seat plate 10 are reliably connected, and the bearing capacity is high.

3. The car or the weight of the counterweight is directly weighed through the pull-type weighing sensor 4, the operation is convenient, and the measurement precision is high.

Claims

1. An elevator weighing device which characterized in that: the clamping device comprises an upper clamping mechanism (1) and a lower clamping mechanism (6), wherein two ends of the lower clamping mechanism (6) are respectively connected with two ends of the upper clamping mechanism (1) through weighing components, each weighing component comprises a tensioning weighing component, one end of each tensioning weighing component is movably connected with the upper clamping mechanism (1) through a hinged support (2), and the other end of each tensioning weighing component is movably connected with the lower clamping mechanism (6) through the hinged support (2); the tensioning weighing component comprises a connecting screw rod (5) and an adjusting screw rod (3), and the adjusting screw rod (3) is connected with the connecting screw rod (5) through a pull-type weighing sensor (4).

2. An elevator weighing apparatus as defined in claim 1, wherein: the elevator weighing device also comprises a data display, and the data display is in wired or wireless connection with the pull-type weighing sensor (4).

3. An elevator weighing apparatus as defined in claim 1, wherein: the hinged support (2) comprises a bearing plate, a through hole is formed in the middle of the bearing plate, and hinged shafts are arranged at two ends of the bearing plate.

4. An elevator weighing apparatus as defined in claim 1, wherein: the structure of the lower clamping mechanism (6) is consistent with that of the upper clamping mechanism (1), and the lower clamping mechanism (6) is arranged below the upper clamping mechanism (1) in an inverted mode.

5. An elevator weighing apparatus as defined in claim 1, wherein: go up fixture (1) including the holder and press from both sides the rope subassembly, the middle part of holder is equipped with the wedge groove, and side can be dismantled in the front and back of holder and be connected with link plate (11), and the both ends of link plate (11) are equipped with the hinge ear groove, press from both sides the rope subassembly and be the wedge structure, and insert the inboard of adorning at the wedge groove.

6. An elevator weighing apparatus as defined in claim 5, wherein: the clamp seat comprises two seat plates (10), wherein a notch A is formed in one seat plate (10), a notch B is formed in the other seat plate (10) at a position corresponding to the notch A, and the notch B and the notch A are encircled to form a wedge-shaped groove; two dovetail joints are arranged on one seat plate (10) side by side, two dovetail grooves are arranged on the other seat plate (10) at positions corresponding to the two dovetail joints, a limiting plate (12) used for plugging the two dovetail grooves is arranged at one end of the seat plate (10), and the two seat plates (10) are in sliding connection through the dovetail joints and the dovetail grooves.

7. An elevator weighing apparatus as defined in claim 6, wherein: one end of the seat plate (10) is provided with a spigot (100), and the hanging plate (11) is provided with a clamping strip at a position corresponding to the spigot (100).

8. An elevator weighing apparatus as defined in claim 5, wherein: the rope clamping component comprises two clamping plates (13), a plurality of rope grooves are correspondingly formed in the two clamping plates (13), and anti-skidding layers are arranged on the inner sides of the rope grooves.

9. An elevator weighing apparatus as defined in claim 8, wherein: the rope groove is an arc-shaped groove, and the anti-slip layer is a rubber coating coated on the inner surface of the rope groove.