CN217006754U

CN217006754U - Steel wire rope strength detection device for crane

Info

Publication number: CN217006754U
Application number: CN202220710889.2U
Authority: CN
Inventors: 单国祥
Original assignee: Changzhou Guoxiang Hoisting Machinery Co ltd
Current assignee: Changzhou Guoxiang Hoisting Machinery Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-07-19
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a steel wire rope strength detection device for a crane, which comprises a base, a fixed plate, a vertical plate and a hydraulic cylinder, wherein the fixed plate is arranged above the base, the vertical plate is arranged on the right side of the fixed plate, and the vertical plate and the hydraulic cylinder are fixed through bolts; further comprising: first mounting panel, its with the output of pneumatic cylinder is connected, the inside of first mounting panel is provided with first lead screw, and the outer wall of first lead screw is connected with first limiting plate, the rotary rod, its right-hand member with the riser is connected. This wire rope intensity detection device for hoist, the inside of first mounting panel is provided with first lead screw, and is threaded connection between first lead screw and the first limiting plate to the screw thread at both ends is revolved to opposite about first lead screw, and is sliding connection between first mounting panel and the riser, is convenient for fix wire rope's one end like this, can adjust according to the wire rope of different length through the first mounting panel that removes moreover.

Description

Steel wire rope strength detection device for crane

Technical Field

The utility model relates to the technical field of cranes, in particular to a steel wire rope strength detection device for a crane.

Background

The hoist is used for the job site more, transports some materials, and the hoist can carry out supporting use through wire rope and lifting hook when transporting the material, therefore wire rope's intensity is very important, can need detect wire rope's intensity before the use.

However, the existing steel wire rope strength detection device still has some disadvantages in the using process, for example, the steel wire ropes with different lengths are not convenient to limit, so that the flexibility of the detection device in use is reduced, and the existing detection device detects the force of the steel wire ropes in the vertical direction, so that the stress conditions of different angles are not convenient to detect, and therefore the using efficiency of the detection device is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crane steel wire rope strength detection device, which solves the problems that the detection device in the prior market proposed by the background technology is inconvenient to limit steel wire ropes with different lengths, so that the flexibility of the detection device in use is reduced, and the existing detection devices detect the force of the steel wire ropes in the vertical direction, so that the detection of the stress conditions at different angles is inconvenient, and the use efficiency of the detection device is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: a steel wire rope strength detection device for a crane comprises a base, a fixed plate, a vertical plate and a hydraulic cylinder, wherein the fixed plate is arranged above the base, the vertical plate is arranged on the right side of the fixed plate, and the vertical plate and the hydraulic cylinder are fixed through bolts;

further comprising:

the first mounting plate is connected with the output end of the hydraulic cylinder, a first screw rod is arranged inside the first mounting plate, the outer wall of the first screw rod is connected with a first limiting plate, and an upper clamping plate is arranged at the bottom of the first limiting plate;

the second mounting plate is arranged below the upper clamping plate, a second screw rod is arranged inside the second mounting plate, the outer wall of the second screw rod is connected with a second limiting plate, and a lower clamping plate is arranged above the second limiting plate;

the top end of the first supporting rod is connected with the second mounting plate, the first supporting rod is connected with the second supporting rod through a clamping block, and a pressure sensor is mounted on the outer wall of the second supporting rod;

the rotary rod, its right-hand member with the riser is connected, first connecting gear is installed to the outer wall of rotary rod, and first connecting gear and second connecting gear meshing are connected to the inside of second connecting gear runs through there is the pivot.

Preferably, the connected mode of riser and rotary rod is the welding, and has the interval between riser and the second mounting panel, be sliding connection between first mounting panel and the riser, can make between riser and the rotary rod be connected more firm, like this when the rotary rod is rotatory, can drive the riser and rotate together, realize the regulation to the wire rope angle, be convenient for highly adjust the first mounting panel simultaneously, be convenient for fix the wire rope of different length.

Preferably, the connected mode of first lead screw and first limiting plate is threaded connection, and the screw thread of both ends revolves to the opposite about first lead screw to first limiting plate is provided with 2, and first limiting plate passes through fixed block and first mounting panel constitution sliding construction simultaneously, when first lead screw is rotatory, can drive first limiting plate and remove like this, thereby drive the punch holder through first limiting plate and remove together, fix wire rope's top, moreover under the effect of fixed block, can make more steady that first limiting plate removed.

Preferably, the connected mode of second lead screw and second limiting plate is threaded connection, and the screw thread of both ends revolves to the opposite about the second lead screw to for welded connection between second limiting plate and the lower plate, the lower plate is provided with 2 simultaneously, like this when the second lead screw is rotatory, can drive the second limiting plate and remove, drives the lower plate through the second limiting plate and remove together, fixes wire rope's bottom, guarantees wire rope detection work's normal clear.

Preferably, first bracing piece passes through fixture block and second bracing piece constitution sliding structure, and first bracing piece is provided with 2 to be connected through the connecting plate between 2 first bracing pieces, can make first bracing piece remove more steady, effectively prevent the phenomenon that the appearance rocked.

Preferably, the second connecting gear and the rotating shaft are connected in a welding mode, the second connecting gear is a gear-lacking gear, the sum of the lengths of the racks on the second connecting gear is equal to one fourth of the circumference of the first connecting gear, the first connecting gear is conveniently driven to rotate at equal angles, strength detection of different angles of the steel wire rope is achieved, and the using efficiency of the device is improved.

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

(1) according to the strength detection device for the steel wire rope for the crane, the first lead screw is arranged in the first mounting plate, the first lead screw is in threaded connection with the first limiting plate, the thread turning directions of the left end and the right end of the first lead screw are opposite, the first mounting plate is in sliding connection with the vertical plate, and the bottom of the first limiting plate is connected with the upper clamping plate, so that one end of the steel wire rope is fixed conveniently, the steel wire rope can be adjusted according to steel wire ropes with different lengths through the movable first mounting plate, operation of workers is facilitated, and flexibility of the device in use is improved;

(2) this wire rope intensity detection device for hoist, the left end and the rotary rod of riser are connected, and the outer wall of rotary rod installs first connecting gear, and the fourth of first connecting gear girth equals the sum of the rack length on the second connecting gear, when the second connecting gear is rotatory like this, can drive first connecting gear and rotary rod and wait the angle rotation, and then drive the riser and rotate together, the realization is to the regulation of wire rope angle, be convenient for like this detect the atress condition of the different angles of wire rope, the device's availability factor has been improved.

Drawings

FIG. 1 is a schematic view of an overall main sectional structure of the present invention;

FIG. 2 is a schematic cross-sectional view of the first stopper plate of the present invention;

FIG. 3 is an enlarged view of a portion a of FIG. 1 according to the present invention;

FIG. 4 is a side view of the structure of the rotary rod and the first connecting gear of the present invention;

FIG. 5 is a schematic top-down view of the first support bar of the present invention.

In the figure: 1. a base; 2. a fixing plate; 3. a vertical plate; 4. a hydraulic cylinder; 5. a first mounting plate; 6. a first lead screw; 7. a first limit plate; 701. a fixed block; 8. an upper splint; 9. a second mounting plate; 10. a second lead screw; 11. a second limiting plate; 12. a lower splint; 13. a first support bar; 14. a clamping block; 15. a second support bar; 16. a pressure sensor; 17. a connecting plate; 18. rotating the rod; 19. a first connecting gear; 20. a second connecting gear; 21. a rotating shaft.

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. 1-5, the present invention provides a technical solution: a steel wire rope strength detection device for a crane comprises a base 1, a fixed plate 2, a vertical plate 3 and a hydraulic cylinder 4, wherein the fixed plate 2 is arranged above the base 1, the vertical plate 3 is arranged on the right side of the fixed plate 2, and the vertical plate 3 and the hydraulic cylinder 4 are fixed through bolts;

further comprising:

the hydraulic cylinder comprises a first mounting plate 5, a first screw rod 6 is arranged inside the first mounting plate 5, the outer wall of the first screw rod 6 is connected with a first limiting plate 7, an upper clamping plate 8 is mounted at the bottom of the first limiting plate 7, the vertical plate 3 and a rotating rod 18 are welded in a connecting mode, a gap exists between the vertical plate 3 and a second mounting plate 9, the first mounting plate 5 and the vertical plate 3 are in sliding connection, the first screw rod 6 is in threaded connection with the first limiting plate 7, the thread turning directions of the left end and the right end of the first screw rod 6 are opposite, 2 first limiting plates 7 are arranged, and meanwhile the first limiting plate 7 and the first mounting plate 5 form a sliding structure through a fixing block 701; a second mounting plate 9 arranged below the upper clamping plate 8, a second screw rod 10 is arranged inside the second mounting plate 9, the outer wall of the second screw rod 10 is connected with a second limiting plate 11, a lower clamping plate 12 is arranged above the second limiting plate 11, the second screw rod 10 is connected with the second limiting plate 11 in a threaded manner, the threads at the left end and the right end of the second screw rod 10 are opposite in rotating direction, the second limiting plate 11 is connected with the lower clamping plate 12 in a welded manner, 2 lower clamping plates 12 are arranged at the same time, a worker places the device at a corresponding position, then places the upper end and the lower end of a steel wire rope to be detected between the 2 upper clamping plates 8 and the 2 lower clamping plates 12 respectively, then rotates the first screw rod 6 to enable the first screw rod 6 to drive the 2 first limiting plates 7 to be close to each other, drives the upper clamping plates 8 to move together through the first limiting plates 7, and accordingly fixes the upper ends of the steel wire rope through the 2 upper clamping plates 8, then, the second screw rod 10 is rotated, the second screw rod 10 drives the 2 second limiting plates 11 to approach each other, the second limiting plates 11 drive the lower clamping plates 12 to move together, so that the 2 lower clamping plates 12 fix the bottom end of the steel wire rope, then the hydraulic cylinder 4 is started, the hydraulic cylinder 4 drives the first mounting plate 5 to integrally lift, and therefore the steel wire rope can be pulled upwards;

the top end of the first supporting rod 13 is connected with the second mounting plate 9, the first supporting rod 13 is connected with the second supporting rod 15 through a clamping block 14, a pressure sensor 16 is installed on the outer wall of the second supporting rod 15, the first supporting rod 13 forms a sliding structure through the clamping block 14 and the second supporting

rod

15, 2 first supporting rods 13 are arranged, 2 first supporting rods 13 are connected through a connecting plate 17, the bottom of the second mounting plate 9 is connected with the first supporting rod 13, the first supporting rod 13 is connected with the second supporting rod 15 through the clamping block 14, a pressure sensor 16 is installed on the outer wall of the second supporting

rod

15, and 2 first supporting rods 13 are connected through the connecting plate 17, so that when the steel wire rope rises, the second mounting plate 9 can be pulled to move upwards together, and the first supporting rod 13 is driven to move upwards through the second mounting plate 9, when the first supporting rod 13 drives the connecting plate 17 to move upwards together, the connecting plate will contact with the pressure sensor 16, so that the force generated when the connecting plate ascends can be detected through the pressure sensor 16, and the strength of the steel wire rope can be detected very conveniently;

a rotating rod 18, the right end of which is connected with the vertical plate 3, a first connecting gear 19 is installed on the outer wall of the rotating rod 18, the first connecting gear 19 is meshed with a second connecting gear 20, a rotating shaft 21 penetrates through the inside of the second connecting gear 20, the second connecting gear 20 is connected with the rotating shaft 21 in a welding mode, the second connecting gear 20 is a missing gear, the sum of the lengths of the racks on the second connecting gear 20 is equal to one fourth of the circumference of the first connecting gear 19, the vertical plate 3 is connected with the rotating rod 18, the first connecting gear 19 and the second connecting gear 20 on the outer wall of the rotating rod 18 are meshed, one fourth of the circumference of the first connecting gear 19 is equal to the sum of the lengths of the racks on the second connecting gear 20, so that the second connecting gear 20 can rotate by rotating the rotating shaft 21, the first connecting gear 19 is driven to rotate at an equal angle by the second connecting gear 20, alright so alright change with the angle that makes riser 3, can carry out the drawing of different angles with wire rope to be convenient for detect wire rope at the angle atress condition of difference, improved the device's availability factor.

The working principle is as follows: when the device for detecting the strength of the steel wire rope for the crane is used, as shown in fig. 1 to 5, firstly a worker places the device at a corresponding position, then places the upper end and the lower end of the steel wire rope to be detected between 2

upper clamping plates

8 and 2 lower clamping plates 12 respectively, then rotates the first screw rod 6, fixes the upper end of the steel wire rope through the 2 upper clamping plates 8, then rotates the second screw rod 10, fixes the bottom end of the steel wire rope through the 2 lower clamping plates 12, then starts the hydraulic cylinder 4, drives the first mounting plate 5 to integrally ascend through the hydraulic cylinder 4, so that the steel wire rope can be upwards pulled, when the steel wire rope ascends, the second mounting plate 9 can be pulled to move upwards together, and further drives the first supporting rod 13 to move upwards through the second mounting plate 9, when the first supporting rod 13 drives the connecting plate 17 to move upwards together, the first supporting rod 13 is contacted with the pressure sensor 16, therefore, the strength of the steel wire rope during rising can be detected through the pressure sensor 16, so that the strength of the steel wire rope can be detected conveniently, the working process of the whole device is just the above, and the content which is not described in detail in the specification belongs to the prior art which is known by technicians in the field.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A steel wire rope strength detection device for a crane comprises a base (1), a fixed plate (2), a vertical plate (3) and a hydraulic cylinder (4), wherein the fixed plate (2) is arranged above the base (1), the vertical plate (3) is arranged on the right side of the fixed plate (2), and the vertical plate (3) and the hydraulic cylinder (4) are fixed through bolts;

it is characterized by also comprising:

the first mounting plate (5) is connected with the output end of the hydraulic cylinder (4), a first screw rod (6) is arranged inside the first mounting plate (5), the outer wall of the first screw rod (6) is connected with a first limiting plate (7), and an upper clamping plate (8) is mounted at the bottom of the first limiting plate (7);

the second mounting plate (9) is arranged below the upper clamping plate (8), a second screw rod (10) is arranged inside the second mounting plate (9), the outer wall of the second screw rod (10) is connected with a second limiting plate (11), and a lower clamping plate (12) is arranged above the second limiting plate (11);

the top end of the first supporting rod (13) is connected with the second mounting plate (9), the first supporting rod (13) is connected with the second supporting rod (15) through a clamping block (14), and a pressure sensor (16) is mounted on the outer wall of the second supporting rod (15);

the right end of the rotating rod (18) is connected with the vertical plate (3), a first connecting gear (19) is installed on the outer wall of the rotating rod (18), the first connecting gear (19) is meshed with a second connecting gear (20) in a connected mode, and a rotating shaft (21) penetrates through the inside of the second connecting gear (20).

2. The strength detection device for the steel wire rope for the crane according to claim 1, characterized in that: the connection mode of riser (3) and rotary rod (18) is the welding, and has the interval between riser (3) and second mounting panel (9), be sliding connection between first mounting panel (5) and riser (3).

3. The strength detection device for the steel wire rope for the crane according to claim 1, characterized in that: the connection mode of first lead screw (6) and first limiting plate (7) is threaded connection, and the screw thread of both ends is revolved to the opposite about first lead screw (6) to first limiting plate (7) are provided with 2, and first limiting plate (7) constitute sliding construction through fixed block (701) and first mounting panel (5) simultaneously.

4. The strength detection device for a crane wire rope according to claim 1, characterized in that: the connection mode of second lead screw (10) and second limiting plate (11) is threaded connection, and the screw thread of both ends is revolved to opposite about second lead screw (10) to be welded connection between second limiting plate (11) and lower plate (12), lower plate (12) are provided with 2 simultaneously.

5. The strength detection device for the steel wire rope for the crane according to claim 1, characterized in that: the first supporting rods (13) form a sliding structure through clamping blocks (14) and second supporting rods (15), 2 first supporting rods (13) are arranged, and the 2 first supporting rods (13) are connected through connecting plates (17).

6. The strength detection device for the steel wire rope for the crane according to claim 1, characterized in that: the second connecting gear (20) and the rotating shaft (21) are connected in a welding mode, the second connecting gear (20) is a gear-lacking gear, and the sum of the lengths of the racks on the second connecting gear (20) is equal to one fourth of the circumference of the first connecting gear (19).