CN219771463U

CN219771463U - Force measuring meter

Info

Publication number: CN219771463U
Application number: CN202321237824.1U
Authority: CN
Inventors: 潘少东
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-09-29
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a dynamometer, which comprises a shell, wherein two auxiliary wheels are symmetrically arranged at two ends of the outer wall of the shell, a weighing sensor is fixedly arranged in the shell, a stress application mechanism is arranged on the outer wall of the shell in a penetrating way and is fixedly connected with the weighing sensor, a digital display host machine is arranged on the outer wall of the shell in a penetrating way, a clamp is fixedly connected with the outer wall of the shell through a steel wire rope and is used for being fixedly connected with a steel cable, and one ends of a first arc clamping plate and a second arc clamping plate are rotationally connected; the clamp comprises a first arc clamping plate and a second arc clamping plate; the clamp is fixedly clamped on the steel cable beside the tested steel cable, the stress application mechanism and the two auxiliary wheels are matched to perform tension test on the tested steel cable, the dynamometer falls off from the tested steel cable in time in the testing process and the process of disassembling the dynamometer after the testing is completed, and the dynamometer is also lifted under the action of the clamp and the steel cable, so that the dynamometer is prevented from falling continuously, and the use effect is good.

Description

Force measuring meter

Technical Field

The utility model relates to a dynamometer, in particular to a dynamometer.

Background

The steel wire rope dynamometer is one of the commonly used dynamometers in the elevator inspection process and is mainly used for detecting the tension of a traction steel wire rope of a traction elevator.

The conventional steel wire rope dynamometer mostly comprises two auxiliary wheels and a stress application mechanism, wherein the two auxiliary wheels and the stress application mechanism are arranged on a shell, the stress application mechanism is connected with a weighing sensor in the shell, when the conventional steel wire rope dynamometer is used, guide wheels and the two auxiliary wheels of the stress application mechanism are respectively arranged on two sides of a detected steel wire rope, and then the guide wheels are driven to move towards a direction close to the shell through the stress application mechanism so as to tension the steel wire rope, and at the moment, the weighing sensor is subjected to reverse acting force, so that the tension of the steel wire rope is obtained.

Because the traction steel wire rope of the traction elevator is vertically arranged in the elevator shaft, when the steel wire rope dynamometer is used for detecting the steel wire rope, the dynamometer is also vertically arranged, and the steel wire rope and the dynamometer are positioned only through friction force between contact surfaces, so that when the steel wire rope dynamometer is detached after detection, if a guide wheel is not held in advance under the action of a force application mechanism to separate from the steel wire rope, the dynamometer is easy to fall off from the steel wire rope directly and fall down along the elevator shaft, and certain potential safety hazards exist to be improved.

Disclosure of Invention

The present utility model is directed to a load cell that solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a dynamometer, includes the casing, two auxiliary wheels are installed to outer wall both ends department symmetry of casing, fixed mounting has weighing sensor in the casing, the afterburning mechanism is worn to be equipped with by the outer wall of casing, and afterburning mechanism and weighing sensor fixed connection, the outer wall of casing wears to be equipped with the digital display host computer, the outer wall of casing passes through wire rope fixedly connected with anchor clamps, anchor clamps are used for with steel cable fixed connection.

As a further scheme of the utility model: the clamp comprises a first arc clamping plate and a second arc clamping plate, one ends of the first arc clamping plate and the second arc clamping plate are connected in a rotating mode, a locking mechanism is arranged at the other ends of the first arc clamping plate and the second arc clamping plate, rubber clamping strips are fixedly installed on the outer walls of the first arc clamping plate and the second arc clamping plate respectively, the inner diameters of the two rubber clamping strips are smaller than the diameter of a clamped steel cable, and one end, away from the shell, of the steel wire rope is fixedly connected with the first arc clamping plate.

As a further scheme of the utility model: the other ends of the first arc clamping plate and the second arc clamping plate are respectively provided with a first open slot and a second open slot, the locking mechanism comprises a second screw rod and a butterfly nut which are matched with each other, one end of the outer wall of the second screw rod is provided with a short shaft in a rotating mode, and the short shaft is fixed in the first open slot.

As a further scheme of the utility model: the boosting mechanism comprises a connecting seat, the outer wall of the shell is provided with a through hole matched with the connecting seat in a penetrating mode, one end of the connecting seat in the shell is fixedly connected with the weighing sensor, the outer wall of the connecting seat is provided with a mounting groove, a sliding seat is connected in the mounting groove in a sliding mode, the inner side of the sliding seat is rotationally provided with a pressing wheel, the two auxiliary wheels are symmetrically distributed on two sides of the pressing wheel, one end of the connecting seat outside the shell is provided with a propelling mechanism, and the sliding seat is connected with the propelling mechanism.

As still further aspects of the utility model: the propelling mechanism comprises a first screw rod, a threaded hole matched with the first screw rod is formed in the end face of the connecting seat, the first screw rod is connected with the threaded hole in a matched mode, a hand wheel is fixedly connected to one end of the first screw rod, and the other end of the first screw rod is connected with the sliding seat in a rotating mode.

Compared with the prior art, the utility model has the beneficial effects that:

the clamp is fixedly clamped on the steel cable beside the tested steel cable, the stress application mechanism and the two auxiliary wheels are matched to perform tension test on the tested steel cable, the dynamometer falls off from the tested steel cable in time in the testing process and the process of disassembling the dynamometer after the testing is completed, and the dynamometer is also lifted under the action of the clamp and the steel cable, so that the dynamometer is prevented from falling continuously, and the use effect is good.

Drawings

Fig. 1 is a schematic view of a load cell.

Fig. 2 is a schematic structural view of a force mechanism in the dynamometer.

Fig. 3 is a schematic view of the structure of a clamp in a load cell.

The device comprises a shell 1, a handle 2, an auxiliary wheel 3, a weighing sensor 4, a force application mechanism 5, a connecting seat 6, a mounting groove 7, a sliding seat 8, a pinch roller 9, a first screw rod 10, a hand wheel 11, a digital display host 12, a steel wire rope 13, a clamp 14, a first arc clamping plate 5, a second arc clamping plate 16, a rubber clamping strip 17, a first open slot 18, a second open slot 19, a short shaft 20, a second screw rod 21 and a butterfly nut 22.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, in the embodiment of the utility model, a dynamometer comprises a housing 1, two auxiliary wheels 3 are symmetrically installed at two ends of the outer wall of the housing 1, a weighing sensor 4 is fixedly installed in the housing 1, a force applying mechanism 5 is arranged on the outer wall of the housing 1 in a penetrating manner, the force applying mechanism 5 is fixedly connected with the weighing sensor 4, a digital display host 12 is arranged on the outer wall of the housing 1 in a penetrating manner, a clamp 14 is fixedly connected to the outer wall of the housing 1 through a steel wire rope 13, and the clamp 14 is fixedly connected with a steel cable.

When the tester is used, the clamp is fixedly clamped on the steel cable beside the tested steel cable, the stress application mechanism is matched with the two auxiliary wheels 3 to perform tension test on the tested steel cable, the tester is timely dropped from the tested steel cable in the testing process and the process of disassembling the tester after the testing is completed, and the tester is also lifted under the action of the clamp 14 and the steel cable 13, so that the tester is prevented from continuously dropping, and the use effect is good.

Referring specifically to fig. 3, in one embodiment of the present utility model, the clamp 14 includes a first arc clamping plate 15 and a second arc clamping plate 16, one ends of the first arc clamping plate 15 and the second arc clamping plate 16 are rotatably connected, a locking mechanism is disposed at the other ends of the first arc clamping plate 15 and the second arc clamping plate 16, rubber clamping strips 17 are fixedly mounted on opposite outer walls of the first arc clamping plate 15 and the second arc clamping plate 16, inner diameters of the two rubber clamping strips 17 are smaller than a diameter of a clamped steel cable, and one end, far away from the casing 1, of the steel wire rope 13 is fixedly connected with the first arc clamping plate 15.

Through with first arc splint 15, second arc splint 16 cover on the steel cable, operate locking mechanism again, make both fold gradually, can utilize two rubber holding strip 17 to press from both sides tightly to the steel cable to realize the fixed between anchor clamps 14 and the steel cable, and rubber holding strip 17 possesses good elasticity, can avoid causing the damage to the steel cable that is held.

With specific reference to fig. 3, further, on the basis of the above embodiment, the other ends of the first arc clamping plate 15 and the second arc clamping plate 16 are respectively provided with a first open slot 18 and a second open slot 19, the locking mechanism includes a second screw 21 and a butterfly nut 22 that are mutually matched, one end of the outer wall of the second screw 21 is rotatably provided with a short shaft 20, and the short shaft 20 is fixed in the first open slot 18.

When the first arc clamping plate 15 and the second arc clamping plate 16 are locked, the butterfly nut 22 is screwed down only by turning the second screw rod 21 into the inner side of the second opening groove 19, and the butterfly nut 22 can be used for pushing the first arc clamping plate 15 and the second arc clamping plate 16 to be folded.

Referring to fig. 1 and fig. 2 specifically, in one embodiment of the present utility model, the force applying mechanism 5 includes a connecting seat 6, a through hole adapted to the connecting seat 6 is penetrating through the outer wall of the housing 1, one end of the connecting seat 6 located in the housing 1 is fixedly connected with the weighing sensor 4, an installation groove 7 is provided on the outer wall of the connecting seat 6, a sliding seat 8 is slidably connected in the installation groove 7, a pinch roller 9 is rotatably installed on the inner side of the sliding seat 8, two auxiliary wheels 3 are symmetrically distributed on two sides of the pinch roller 9, a pushing mechanism is installed on one end of the connecting seat 6 located outside the housing 1, and the sliding seat 8 is connected with the pushing mechanism.

Further, the propelling mechanism comprises a first screw rod 10, a threaded hole matched with the first screw rod 10 is formed in the end face of the connecting seat 6, the first screw rod 10 is connected with the threaded hole in a matched mode, one end of the first screw rod 10 is fixedly connected with a hand wheel 11, and the other end of the first screw rod 10 is connected with the sliding seat 8 in a rotating mode.

When the tension detection is carried out on the elevator steel cable, the pinch roller 9 and the auxiliary wheel 3 are respectively placed on two sides of the steel cable, and then the first screw rod 10 is rotated through the hand wheel 11 so as to push the pinch roller 9 to move towards the shell 1, so that the steel cable can be tensioned, and the reaction force born by the connecting seat 6 is monitored through the weighing sensor 4.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A load cell, characterized by: including casing (1), two auxiliary wheel (3) are installed to outer wall both ends department symmetry of casing (1), fixed mounting has weighing sensor (4) in casing (1), the afterburner mechanism (5) are worn to be equipped with by the outer wall of casing (1), and afterburner mechanism (5) and weighing sensor (4) fixed connection, digital display host computer (12) are worn to be equipped with by the outer wall of casing (1), the outer wall of casing (1) is through wire rope (13) fixedly connected with anchor clamps (14), anchor clamps (14) are used for with steel cable fixed connection.

2. A load cell according to claim 1, wherein: the clamp comprises a clamp body and is characterized in that the clamp body (14) comprises a first arc clamping plate (15) and a second arc clamping plate (16), one ends of the first arc clamping plate (15) and the second arc clamping plate (16) are connected in a rotating mode, a locking mechanism is arranged at the other ends of the first arc clamping plate (15) and the second arc clamping plate (16), rubber clamping strips (17) are fixedly mounted on opposite outer walls of the first arc clamping plate (15) and the second arc clamping plate (16), the inner diameters of the two rubber clamping strips (17) are smaller than the diameter of a clamped steel cable, and one end, away from a shell (1), of a steel wire rope (13) is fixedly connected with the first arc clamping plate (15).

3. A load cell according to claim 2, wherein: the novel clamping device is characterized in that a first open groove (18) and a second open groove (19) are respectively formed in the other ends of the first arc clamping plate (15) and the second arc clamping plate (16), the locking mechanism comprises a second screw (21) and a butterfly nut (22) which are matched with each other, a short shaft (20) is rotatably arranged at one end of the outer wall of the second screw (21), and the short shaft (20) is fixed in the first open groove (18).

4. A load cell according to claim 1, wherein: the utility model provides a thrust augmentation mechanism (5) is including connecting seat (6), the outer wall of casing (1) runs through be provided with the perforation of connecting seat (6) looks adaptation, and connecting seat (6) are located the one end and weighing sensor (4) fixed connection in casing (1), mounting groove (7) have been seted up to the outer wall of connecting seat (6), sliding connection has slide (8) in mounting groove (7), pinch roller (9) are installed in the inboard rotation of slide (8), two auxiliary wheel (3) symmetric distribution is in the both sides of pinch roller (9), advancing mechanism is installed to the one end that connecting seat (6) are located outside casing (1), and slide (8) are connected with advancing mechanism.

5. A load cell according to claim 4, wherein: the propelling mechanism comprises a first screw rod (10), a threaded hole matched with the first screw rod (10) is formed in the end face of the connecting seat (6), the first screw rod (10) is connected with the threaded hole in a matched mode, a hand wheel (11) is fixedly connected to one end of the first screw rod (10), and the other end of the first screw rod (10) is connected with the sliding seat (8) in a rotating mode.