CN211262460U

CN211262460U - Pin shaft type sensor testing device

Info

Publication number: CN211262460U
Application number: CN201921796699.1U
Authority: CN
Inventors: 杨从从; 朱传华; 朱敏刚; 梅宇达; 杨文杰
Original assignee: NOVOCRANE (SUZHOU) CO LTD
Current assignee: NOVOCRANE (SUZHOU) CO LTD
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-08-14
Anticipated expiration: 2029-10-24

Abstract

The utility model discloses a pin shaft type sensor testing device, which comprises a hook plate, a first hanging plate, a second hanging plate and a tension assembly, wherein the first hanging plate and the second hanging plate are symmetrically arranged around the hook plate; the hook plate, the first hanging plate and the second hanging plate are coaxially provided with shaft holes so as to penetrate through and test the shaft pin type sensor; the hook plate, the first hanging plate and the second hanging plate are connected with a locking piece together, the tension assembly is detachably connected with the first hanging plate and the second hanging plate, and the pin-type sensor is tested by applying tension to the first hanging plate and the second hanging plate by the tension assembly. The utility model has the advantages of being simple in structure and convenient in operation, work efficiency has been improved.

Description

Pin shaft type sensor testing device

Technical Field

The utility model relates to a sensor test field, concretely relates to round pin axle type sensor testing arrangement.

Background

The pin shaft type sensor is a main component on hoisting mechanical equipment, can convert a mechanical signal of the hoisting load into an electric signal and transmit the electric signal to a control unit of the equipment, and displays the hoisting load in real time through the control unit and a display unit. When the hoisting capacity exceeds the rated hoisting capacity, a warning signal can be sent out, and the function of overload protection is achieved. Therefore, the safety performance of the whole equipment is directly influenced by the accuracy and the sensitivity of the pin-type sensor, and the factory test of the pin-type sensor is very important.

Based on this current situation and background, the utility model provides a round pin axle type sensor testing arrangement is proposed and designed. The device simple structure has replaced and has installed the sensor and tested, the great loaded down with trivial details method of work load on hoisting equipment, convenient operation, and test work load is little, has improved work efficiency greatly.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a round pin axle type sensor testing arrangement, simple structure convenient operation has improved work efficiency.

In order to solve the technical problem, the utility model provides a pin shaft type sensor testing device, which comprises a hook plate, a first hanging plate, a second hanging plate and a tension assembly, wherein the first hanging plate and the second hanging plate are symmetrically arranged around the hook plate; the hook plate, the first hanging plate and the second hanging plate are coaxially provided with shaft holes so as to penetrate through and test the pin shaft type sensor; the hook plate, the first hanging plate and the second hanging plate are connected with a locking piece together, the tension assembly is detachably connected with the first hanging plate and the second hanging plate, and the pin shaft type sensor is tested by applying tension to the first hanging plate and the second hanging plate by the tension assembly.

Furthermore, the tension assembly comprises a hanging shaft and at least two groups of hanging pieces, and the hanging pieces are arranged in an even number; the pendant with the hanging scroll can be dismantled and connect, just the pendant symmetric distribution is in the both ends of hanging scroll.

Furthermore, the hanging scroll is provided with two sets of check rings in a detachable mode, and the two check rings can be attached to the side wall of the first hanging plate and the side wall of the second hanging plate respectively to limit the position of the hanging scroll.

Furthermore, the two end faces of the hanging shaft are detachably provided with baffle plates to prevent the hanging piece from being separated from the hanging shaft.

Furthermore, the locking piece comprises a polished rod part and two threaded parts, and the two threaded parts are respectively positioned on two sides of the polished rod part; the two threaded parts are respectively matched with the first hanging plate and the second hanging plate, and the polished rod part is matched with the hook plate; the threaded portion is matched with a plurality of butt-joint pieces so as to fixedly connect the locking piece with the first hanging plate, the second hanging plate and the hook plate.

Furthermore, be located hook plate both sides butt joint spare with be provided with the packing ring between the hook plate, just the packing ring with hook plate clearance fit.

Furthermore, the side wall of the first hanging plate and/or the second hanging plate is detachably provided with a positioning clamping plate, and the positioning clamping plate can be clamped with the pin shaft type sensor to limit the movement of the pin shaft type sensor.

Furthermore, the hook plate, the first hanging plate and the second hanging plate are coaxially provided with at least two groups of shaft holes, and the hole diameters of all the shaft holes are different.

Furthermore, the free end of the hook plate is provided with a hook groove.

Further, a weight mark is arranged on the hanging piece.

The utility model has the advantages that:

the pin shaft type sensor is arranged on the first hanging plate, the hook plate and the second hanging plate in a penetrating mode, meanwhile, the hook plate is subjected to upward tension, the first hanging plate and the second hanging plate are subjected to downward tension applied by the tension assembly, and therefore the pin shaft type sensor is detected by utilizing shearing force acting on the pin shaft type sensor; the operation is convenient, the test workload is small, and the working efficiency is greatly improved;

meanwhile, the first hanging plate, the hook plate and the second hanging plate are connected through the fastening piece, and the precision and the accuracy in testing can be improved.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a side view of the present invention;

fig. 5 is an overall schematic view of the locking piece.

The reference numbers in the figures illustrate: 1. a hook plate; 11. a gasket; 12. a hook groove; 21. a first hanger plate; 22. a second hanger plate; 23. positioning a clamping plate; 3. a shaft hole; 4. a locking member; 41. a light bar section; 42. a threaded portion; 43. a docking member; 5. hanging a shaft; 51. a baffle plate; 52. a retainer ring; 53. a limiting groove; 6. a pin-type sensor.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-5, an embodiment of a testing device for a pin shaft sensor 6 according to the present invention includes a hook plate 1, a first hanging plate 21 and a second hanging plate 22, where the first hanging plate 21 and the second hanging plate 22 are respectively located at two sides of the hook plate 1 and are symmetrically disposed about the hook plate 1. The upper end of the hook plate 1 is provided with a hook groove 12 for connecting the hook plate 1 with external equipment, and the hook groove 12 is waist-shaped in the embodiment so as to connect the hook plate 1 with a hook.

The first hanger plate 21, the second hanger plate 22 and the hook plate 1 are coaxially provided with a plurality of shaft holes 3, and the shaft holes 3 can be matched with the pin shaft type sensor 6. When a plurality of groups of shaft holes 3 are arranged, the shaft holes 3 are distributed along the length direction of the hook plate 1, and the hole diameters of the shaft holes 3 are different. The shaft holes 3 with different apertures are matched with the pin shaft type sensors 6 with different specifications, so that the pin shaft type sensors 6 with various specifications can be detected, and the utilization rate of the testing device is improved.

The first hanger plate 21, the second hanger plate 22 and the hook plate 1 are connected with fasteners together so as to connect the first hanger plate 21, the second hanger plate 22 and the hook plate 1 into a whole, and the precision during testing is improved. The fastener comprises a polished rod part 41 and two threaded parts 42, wherein the two threaded parts 42 are respectively positioned at two sides of the polished rod part 41. When the fastening member is engaged with the first hanger plate 21, the second hanger plate 22 and the hook plate 1, the two threaded portions 42 are engaged with the first hanger plate 21 and the second hanger plate 22, respectively, and the polished rod portion 41 is engaged with the hook plate 1. The two screw portions 42 are provided with a plurality of abutting pieces 43 capable of being in screw fit with the screw portions 42, and the fastening members can be relatively fixed to the first hanger plate 21 and the second hanger plate 22 by the abutting pieces 43 provided on both sides of the first hanger plate 21 and both sides of the second hanger plate 22. Meanwhile, the butt joint parts 43 are arranged on two sides of the hook plate 1, the gaskets 11 are arranged between the butt joint parts 43 and two side walls of the hook plate 1, and the gaskets 11 are in clearance fit with the hook plate 1, so that the influence on the deformation of the loaded pin shaft type sensor 6 is reduced, and the test accuracy can be improved.

The pin shaft type sensor 6 testing device further comprises a tension assembly, wherein the tension assembly is connected with the lower end parts of the first hanging plate 21 and the second hanging plate 22, so that downward tension is applied to the first hanging plate 21 and the second hanging plate 22, meanwhile, the upward tension is applied to the hook plate 1 by matching with the lifting hook, and the accuracy and the sensitivity of the pin shaft type sensor 6 are tested under the action of shearing force. The pulling force subassembly includes peg 5 and at least two sets of pendants, and peg 5 wears to establish first hanger plate 21 and second hanger plate 22 in proper order, and the distance that adjusts the both ends of peg 5 respectively and first lifting hook and second lifting hook lateral wall is the same simultaneously. The number of the hanging pieces is even, and the hanging pieces are symmetrically distributed on two sides of the hanging shaft 5, so that the pulling force applied to the first hanging plate 21 and the second hanging plate 22 by the hanging shaft 5 is the same. All the hanging pieces are detachably connected with the hanging shaft 5, so that the hanging shaft 5 can be conveniently installed and detached. To facilitate recording of the tension applied to the first and

second hanger plates

21 and 22 by the hangers, weight markings are provided on all hangers.

The hanging scroll 5 has been seted up a plurality of spacing grooves 53 along its axial symmetry, and the equal detachable in both ends of hanging scroll 5 is provided with retaining ring 52 simultaneously, and above-mentioned retaining ring 52 can inlay the inside of establishing at spacing groove 53. The two retainer rings 52 are respectively contacted with the side wall of the first hanger plate 21 and the side wall of the second hanger plate 22, so that the position of the hanging scroll 5 is limited, and the movement of the position of the hanging scroll 5 in the test process is reduced.

Both ends of peg 5 all are provided with baffle 51 through fastening screw detachable, utilize the position of the pendant of baffle 51 restriction and peg 5 connection to prevent pendant and peg 5 and break away from, stability and accuracy when improving the test.

The first hanger plate 21 and/or the second hanger plate 22 are provided with positioning clamping plates 23, and the positioning clamping plates 23 are detachably connected with the first hanger plate 21 and/or the second hanger plate 22. Meanwhile, the positioning clamping plate 23 can be clamped with the pin shaft type sensor, so that the pin shaft type sensor is fixed by the positioning clamping plate 23, the position offset of the pin shaft type sensor during testing is reduced, and the accuracy during testing is improved.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. The pin shaft type sensor testing device is characterized by comprising a hook plate, a first hanging plate, a second hanging plate and a tension assembly, wherein the first hanging plate and the second hanging plate are symmetrically arranged relative to the hook plate; the hook plate, the first hanging plate and the second hanging plate are coaxially provided with shaft holes so as to penetrate through and test the pin shaft type sensor; the hook plate, the first hanging plate and the second hanging plate are connected with a locking piece together, the tension assembly is detachably connected with the first hanging plate and the second hanging plate, and the pin shaft type sensor is tested by applying tension to the first hanging plate and the second hanging plate by the tension assembly.

2. The pin shaft sensor testing device of claim 1, wherein the tension assembly comprises a hanging shaft and at least two groups of hanging members, wherein the hanging members are arranged in an even number; the pendant with the hanging scroll can be dismantled and connect, just the pendant symmetric distribution is in the both ends of hanging scroll.

3. The pin shaft sensor testing device according to claim 2, wherein two sets of retaining rings are detachably disposed on the hanging shaft, and the two retaining rings can be respectively attached to the side wall of the first hanging plate and the side wall of the second hanging plate to limit the position of the hanging shaft.

4. The pin shaft sensor testing device of claim 2, wherein two end faces of the hanging shaft are detachably provided with baffles to prevent the hanging piece from being separated from the hanging shaft.

5. The pin shaft sensor testing device according to claim 1, wherein the locking member comprises a polished rod portion and two threaded portions, and the two threaded portions are respectively located on two sides of the polished rod portion; the two threaded parts are respectively matched with the first hanging plate and the second hanging plate, and the polished rod part is matched with the hook plate; the threaded portion is matched with a plurality of butt-joint pieces so as to fixedly connect the locking piece with the first hanging plate, the second hanging plate and the hook plate.

6. The pin shaft sensor testing apparatus of claim 5 wherein a gasket is disposed between the abutment members on either side of the hook plate and the hook plate, and wherein the gasket and the hook plate are in a clearance fit.

7. The pin shaft sensor testing device of claim 1, wherein a positioning clamping plate is detachably arranged on the side wall of the first hanging plate and/or the second hanging plate, and the positioning clamping plate can be clamped with the pin shaft sensor to limit the movement of the pin shaft sensor.

8. The pin shaft sensor testing device of claim 1, wherein the hook plate, the first hanger plate and the second hanger plate are coaxially provided with at least two sets of the shaft holes, and the diameters of all the shaft holes are different.

9. The pin shaft sensor testing apparatus of claim 1, wherein a free end of said hook plate is provided with a hook slot.

10. The pin shaft sensor testing apparatus of claim 2, wherein the hanging member has weight indicia disposed thereon.