CN216246786U

CN216246786U - Electronic hanging scale's examination calibrating device

Info

Publication number: CN216246786U
Application number: CN202123059888.0U
Authority: CN
Inventors: 郭建庄; 何志强; 王林林; 高建明
Original assignee: Henan Lingtuo Weighing Equipment Co ltd
Current assignee: Henan Lingtuo Weighing Equipment Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-08
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a verification and calibration device of an electronic hanging scale, which relates to the technical field of verification and calibration and comprises a base, the lower end of the inner surface of the base is fixedly connected with a fixed block, the right surface of the fixed block is connected with a protective cover in a sliding way, the lower surface of the protective cover is fixedly connected with a second spring, the lower end of the inner surface of the base is provided with a hydraulic clutch device, the right end of the upper surface of the base is fixedly connected with a supporting rod, the upper end of the supporting rod is rotatably connected with a wind wheel, the front surface of the wind wheel is fixedly connected with a driving wheel, the left lower end of the driving wheel is provided with a forward and reverse rotation device, the center of the upper surface of the base is provided with a calibration device main body, the calibrating device of the electronic hanging scale is provided with a forward and reverse rotating device, so that the bevel gear III can be driven to rotate in the same direction no matter in any wind direction outside, the calibration device body can be well protected from wind even when the external wind direction cannot be determined.

Description

Electronic hanging scale's examination calibrating device

Technical Field

The utility model relates to the technical field of verification and calibration, in particular to a verification and calibration device for an electronic hanging scale.

Background

The electronic hanging scale is a measuring device for weighing a weighed object on line in a suspension state, generally comprises a weighing sensor, a mechanical force bearing mechanism, a weighing display instrument and the like, and has various products, namely a wireless data transmission type and a direct-view type according to the reading mode; the sensor can be divided into a resistance type and a capacitance type according to the type of the sensor; according to the form of force-transferring hook head, it can be divided into hook head suspension type hanging scale and hook head type hanging scale; the wireless hanging scale can be divided into a wired hanging scale with a limited power supply and a wireless hanging scale with a battery power supply according to a power supply mode; can also be divided into a crane scale, a monorail crane scale and a portable crane scale according to other modes; the scale can also be called as a heat-proof and magnetic-proof hanging scale and the like according to application occasions.

In application with publication number CN207095696U, the electronic suspension scale is fixed by arranging the baffle plate, and finally, the gap between the electronic suspension scale and the hook hole is filled with the rubber ring for fixing the position for fixing the electronic suspension scale waiting for detection, which cannot isolate wind power well in actual measurement, and once the ambient wind power is too large in the calibration process, the horizontal force of the weight below is often given, so that the calibration result is not accurate enough, and the use accuracy of the electronic suspension scale is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a verification and calibration device of an electronic hanging scale, which solves the problems mentioned in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a calibrating device of an electronic hanging scale comprises a base, wherein the lower end of the inner surface of the base is fixedly connected with a fixed block, the right surface of the fixed block is connected with a protective cover in a sliding way, the lower surface of the protective cover is fixedly connected with a second spring, the right surface of the protective cover is fixedly connected with a convex block, the lower end of the inner surface of the base is provided with a hydraulic clutch device, the lower end of the inner surface of the base is fixedly connected with a fixed rod, the left surface of the fixed rod is fixedly connected with a first spring, the left surface of the first spring is fixedly connected with a first rack, the right end of the upper surface of the base is fixedly connected with a supporting rod, the upper end of the supporting rod is rotatably connected with a wind wheel, the front surface of the wind wheel is fixedly connected with a driving wheel, the left lower end of the driving wheel is provided with a forward and reverse rotation device, and the center of the upper surface of the base is provided with a calibration device main body.

Preferably, the forward and reverse rotation device comprises a first connecting rod, a rotating shaft is rotatably connected to the lower end of the first connecting rod, a shaft sleeve is rotatably connected to the left end of the outer surface of the rotating shaft, a first bevel gear is fixedly connected to the left end of the shaft sleeve, a second bevel gear is rotatably connected to the center of the outer surface of the rotating shaft, a third bevel gear is meshed to the lower surface of the second bevel gear, and a rotating rod is fixedly connected to the center of the lower surface of the third bevel gear.

Preferably, the right surface of the rotating shaft is fixedly connected with a bevel gear IV, the right surface of the bevel gear IV is meshed with a bevel gear V, and the back of the bevel gear V is rotatably connected with a connecting rod II.

Preferably, the hydraulic clutch device comprises a first gear, a second rack is meshed on the rear surface of the first gear, a hydraulic bin is connected to the right end of the second rack in a sliding mode, a hydraulic rod is connected to the left end of the hydraulic bin in a sliding mode, and a second gear is fixedly connected to the upper end of the hydraulic rod.

Preferably, the right surface of the first bevel gear is fixedly connected with a connecting block, the upper surface of the connecting block is fixedly connected with an elastic telescopic rod, and a thorn gear is installed above the elastic telescopic rod.

Preferably, the first bevel gear and the second bevel gear are two bevel gears which have the same shape and different orientations.

(III) advantageous effects

The utility model provides a verification and calibration device for an electronic hanging scale. The method has the following beneficial effects:

(1) this electronic hanging scale's examination calibrating device is provided with just reversing arrangement, guarantees to drive bevel gear three when external no matter being in any wind direction and is the rotation of equidirectional, even also can form better wind-force protection to the calibrating device main part when unable external wind direction of confirming.

(2) The calibrating device of the electronic hanging scale is provided with the hydraulic clutch device, and the first gear can be driven to rotate only when the wind wheel is driven to rotate under the influence of external wind power, so that the second rack is driven to move rightwards to enable the internal pressure of the hydraulic cabin to rise and eject the hydraulic rod, and the second gear above the hydraulic telescopic rod is meshed with the first rack and the first gear to release the limit of the protective cover.

Drawings

FIG. 1 is a schematic cross-sectional view of the structure of the present invention;

FIG. 2 is a schematic structural view of a forward/reverse rotation device according to the present invention;

FIG. 3 is a schematic structural diagram of a hydraulic clutch device according to the present invention;

FIG. 4 is a schematic view of the bevel gear structure of the forward and reverse rotation device of the present invention.

In the figure: 1. a base; 2. fixing the rod; 3. a first spring; 4. a first rack; 5. a driving wheel; 6. a wind wheel; 7. a forward and reverse rotation device; 8. a hydraulic clutch device; 9. a bump; 10. a second spring; 11. a fixed block; 12. a protective cover; 13. calibrating the device body; 14. a support bar; 15. a thorn gear; 16. an elastic telescopic rod; 17. connecting blocks; 18. a rotating shaft; 701. a first connecting rod; 702. a first bevel gear; 703. a third bevel gear; 704. a rotating rod; 705. a fourth bevel gear; 706. a fifth bevel gear; 707. a second connecting rod; 708. a second bevel gear; 709. a shaft sleeve; 801. a first gear; 802. a second rack; 803. a hydraulic pressure cabin; 804. a hydraulic lever; 805. and a second gear.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a calibrating device of an electronic hanging scale comprises a base 1, wherein a fixed block 11 is fixedly connected to the lower end of the inner surface of the base 1, a protective cover 12 is slidably connected to the right surface of the fixed block 11, the protective cover 12 is a box outer cover which is totally closed except the upper surface, a spring II 10 is fixedly connected to the lower surface of the protective cover 12, the protective cover 12 can be bounced upwards by the spring II 10 when the limit is removed, a lug 9 is fixedly connected to the right surface of the protective cover 12, a hydraulic clutch device 8 is installed at the lower end of the inner surface of the base 1, the calibrating device of the electronic hanging scale is provided with the hydraulic clutch device 8, only when a wind wheel 6 is driven to rotate under the influence of external wind power, a gear I801 is driven to rotate, so that a rack II 802 is driven to move rightwards, the internal pressure of a hydraulic bin 803 is raised, a hydraulic rod 804 is ejected, and a gear II 805 above the hydraulic rod 804 is meshed with the rack I4 and the gear I801 to remove the limit of the protective cover 12, the hydraulic clutch device 8 comprises a first gear 801, a second rack 802 is meshed with the rear surface of the first gear 801, a hydraulic bin 803 is slidably connected with the right end of the second rack 802, a hydraulic rod 804 is slidably connected with the left end of the hydraulic bin 803, a second gear 805 is fixedly connected with the upper end of the hydraulic rod 804, the second gear 805 is designed to be incapable of being meshed with the second rack 802, a fixed rod 2 is fixedly connected with the lower end of the inner surface of the base 1, a first spring 3 is fixedly connected with the left surface of the fixed rod 2, a first rack 4 is fixedly connected with the left surface of the first spring 3, the first rack 4 can be reset through the first spring 3, a support rod 14 is fixedly connected with the right end of the upper surface of the base 1, a wind wheel 6 is rotatably connected with the upper end of the support rod 14, a driving wheel 5 is fixedly connected with the front surface of the wind wheel 6, a forward and reverse rotation device 7 is arranged at the left lower end of the driving wheel 5, and a forward and reverse rotation device 7 is arranged on the calibrating device of the electronic hanging scale, the three bevel gears 703 can be driven to rotate in the same direction no matter in any wind direction outside, even when the external wind direction cannot be determined, the calibration device body 13 can be well protected by wind, the forward and reverse rotation device 7 comprises a first connecting rod 701, the lower end of the first connecting rod 701 is rotatably connected with a rotating shaft 18, the right surface of the rotating shaft 18 is fixedly connected with a fourth bevel gear 705, the right surface of the fourth bevel gear 705 is meshed with a fifth bevel gear 706, the back of the fifth bevel gear 706 is rotatably connected with a second connecting rod 707, the left end of the outer surface of the rotating shaft 18 is rotatably connected with a shaft sleeve 709, the left end of the shaft sleeve 709 is fixedly connected with a first bevel gear 702, the right surface of the first bevel gear 702 is fixedly connected with a connecting block 17, the upper surface of the connecting block 17 is fixedly connected with an elastic telescopic rod 16, the first bevel gear 702 of the outer ring can be driven to rotate when the thorn gears 15 rotate clockwise, and the smooth surface contact resistance with the thorn gears 15 is small when the thorn gears 15 rotate anticlockwise, so that the outer ring bevel gears cannot be driven The wheel I702 rotates, the thorn gear 15 is installed above the elastic telescopic rod 16, the center of the outer surface of the rotating shaft 18 is rotatably connected with a bevel gear II 708, the bevel gear I702 and the bevel gear II 708 are two bevel gears with the same shape but different directions, the lower surface of the bevel gear II 708 is engaged with a bevel gear III 703, the center of the lower surface of the bevel gear III 703 is fixedly connected with a rotating rod 704, and the center of the upper surface of the base 1 is provided with the calibrating device main body 13.

When the wind wheel is in operation (or in use), when wind power is small, the wind wheel 6 cannot rotate due to self resistance, the protective cover 12 is positioned inside the base 1 at the moment, the electronic hanging scale is fixed by the aid of the calibrating device main body 13, calibration operation is carried out simultaneously, when wind power is large, the wind wheel 6 is driven to rotate, so that the driving wheel 5 rotates, at the moment, the driving wheel 5 drives the bevel gear five 706 to rotate due to the action of the outer surface driving belt, the bevel gear five 706 drives the meshed bevel gear four 705 to rotate and drives the rotating shaft 18 to rotate, the thorn gear 15 is fixed on the outer surface of the rotating shaft 18 and synchronously rotates with the rotating shaft 18, when the thorn gear 15 rotates clockwise, the elastic telescopic rod 16 drives the bevel gear one 702 on the outer ring to synchronously rotate, the bevel gear two 708 and the bevel gear 702 form a mirror symmetry structure, at the moment, the contact friction force between the smooth surface of the thorn gear 15 inside the bevel gear two 708 and the elastic telescopic rod 16 is insufficient, so that the bevel gear 702 is in a bevel gear tooth The second wheel 708 does not rotate along with the rotating shaft 18, at the moment, only the bevel gear on one side is stressed to coaxially rotate no matter how the wind wheel 6 turns, so that the third bevel gear 703 below is driven to rotate and the direction is unique, when the third bevel gear 703 rotates, the rotating rod 704 below is driven to rotate, so that the first gear 801 coaxially and fixedly connected is driven to rotate and the second rack 802 is pushed rightwards, the second rack 802 moves rightwards, so that the internal pressure of the hydraulic bin 803 is increased, so that the hydraulic rod 804 on the left side is ejected, at the moment, the second gear 805 above the hydraulic rod 804 can be simultaneously meshed with the first rack 4 and the first gear 801, the first rack 4 is driven rightwards to remove the limit of the protective cover 12, at the moment, the protective cover 12 extends upwards under the force of the second spring 10 to carry out wind protection on the bottom of the calibrating device main body 13.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a verification calibrating device of electronic hanging scale, includes base (1), its characterized in that: the inner surface lower end of the base (1) is fixedly connected with a fixed block (11), the right surface of the fixed block (11) is connected with a protective cover (12) in a sliding manner, the lower surface of the protective cover (12) is fixedly connected with a spring II (10), the right surface of the protective cover (12) is fixedly connected with a lug (9), the inner surface lower end of the base (1) is provided with a hydraulic clutch device (8), the inner surface lower end of the base (1) is fixedly connected with a fixed rod (2), the left surface of the fixed rod (2) is fixedly connected with a spring I (3), the left surface of the spring I (3) is fixedly connected with a rack I (4), the right end of the upper surface of the base (1) is fixedly connected with a support rod (14), the upper end of the support rod (14) is rotatably connected with a wind wheel (6), and the front surface of the wind wheel (6) is fixedly connected with a driving wheel (5), the left lower end of the driving wheel (5) is provided with a forward and reverse rotation device (7), and the center of the upper surface of the base (1) is provided with a calibration device main body (13).

2. The verification and calibration device for electronic hanging scale according to claim 1, wherein: the forward and reverse rotation device (7) comprises a first connecting rod (701), a rotating shaft (18) is rotatably connected to the lower end of the first connecting rod (701), a shaft sleeve (709) is rotatably connected to the left end of the outer surface of the rotating shaft (18), a first bevel gear (702) is fixedly connected to the left end of the shaft sleeve (709), a second bevel gear (708) is rotatably connected to the center of the outer surface of the rotating shaft (18), a third bevel gear (703) is meshed to the lower surface of the second bevel gear (708), and a rotating rod (704) is fixedly connected to the center of the lower surface of the third bevel gear (703).

3. The verification and calibration device for electronic hanging scale according to claim 2, wherein: the right surface of the rotating shaft (18) is fixedly connected with a bevel gear four (705), the right surface of the bevel gear four (705) is meshed with a bevel gear five (706), and the back of the bevel gear five (706) is rotatably connected with a connecting rod two (707).

4. The verification and calibration device for electronic hanging scale according to claim 1, wherein: the hydraulic clutch device (8) comprises a first gear (801), a second rack (802) is meshed on the rear surface of the first gear (801), a hydraulic bin (803) is connected to the right end of the second rack (802) in a sliding mode, a hydraulic rod (804) is connected to the left end of the hydraulic bin (803) in a sliding mode, and a second gear (805) is fixedly connected to the upper end of the hydraulic rod (804).

5. The verification and calibration device for electronic hanging scale according to claim 2, wherein: the right surface of the first bevel gear (702) is fixedly connected with a connecting block (17), the upper surface of the connecting block (17) is fixedly connected with an elastic telescopic rod (16), and a thorn gear (15) is installed above the elastic telescopic rod (16).

6. The verification and calibration device for electronic hanging scale according to claim 2, wherein: the first bevel gear (702) and the second bevel gear (708) are two bevel gears with the same shape and different orientations.