CN211576432U

CN211576432U - Crane tension testing device

Info

Publication number: CN211576432U
Application number: CN202020295686.2U
Authority: CN
Inventors: 胡永奇; 刘毅; 张硕雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-11
Filing date: 2020-03-11
Publication date: 2020-09-25
Anticipated expiration: 2030-03-11

Abstract

The utility model relates to the technical field of testing devices, and discloses a crane tension test device, which comprises a bottom plate, wherein both sides of the top of the bottom plate are fixedly provided with sleeves, the sleeves are slidably connected with an auxiliary plate, the sleeves are provided with buffer mechanisms, and the buffer mechanisms are positioned below the auxiliary plate; a mechanical tension meter is arranged above the bottom plate, one handle of the mechanical tension meter is fixedly connected with the top of the bottom plate through a fixing block, and the other handle of the mechanical tension meter is fixedly connected with the middle part of the auxiliary plate; and a steel rope limiting mechanism is arranged on the sleeve. The utility model is provided with the buffer mechanism to buffer the movement of the mechanical tension meter in the vertical direction after the steel wire rope is broken, so as to protect the mechanical tension meter from being damaged; through setting up steel cable stop gear, carry on spacingly to wire rope to reduce the range that wire rope fracture whipped, thereby reached the security that improves the test.

Description

Crane tension testing device

Technical Field

The utility model relates to a testing arrangement technical field specifically is a hoist pulling force inspection testing arrangement.

Background

The crane refers to a multi-action hoisting machine for vertically lifting and horizontally carrying heavy objects within a certain range, and is also called a crown block, a navigation crane and a crane.

The direct tension component of the crane comprises a steel wire, the maximum bearing capacity of the steel wire is the tension limit value of the crane, and the steel wire rope is characterized in that: the whole root has high strength, the section of the whole root has the same size, the strength is consistent, the dead weight is light, the whole root can bear vibration load, the elasticity is large, the whole root can be wound into a disc, the whole root can move in a balanced manner at a high speed and has no noise, and the outer skin of the whole root can generate a plurality of burrs after being worn, so that the tensile test of the steel wire is important.

In order to solve the problems, the application provides a crane tension test device.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

In order to solve the technical problems existing in the background technology, the utility model provides a crane tension test device, which buffers the movement of a mechanical tension meter in the vertical direction after the steel wire rope is broken by arranging a buffer mechanism so as to protect the mechanical tension meter from being damaged; through setting up steel cable stop gear, carry on spacingly to wire rope to reduce the range that wire rope fracture whipped, thereby reached the security that improves the test.

(II) technical scheme

In order to solve the problems, the utility model provides a crane tension test device, which comprises a bottom plate, wherein sleeves are fixedly arranged on both sides of the top of the bottom plate, an auxiliary plate is connected on the sleeves in a sliding way, a buffer mechanism is arranged on the sleeves, and the buffer mechanism is positioned below the auxiliary plate;

a mechanical tension meter is arranged above the bottom plate, one handle of the mechanical tension meter is fixedly connected with the top of the bottom plate through a fixing block, and the other handle of the mechanical tension meter is fixedly connected with the middle part of the auxiliary plate;

and a steel rope limiting mechanism is arranged on the sleeve.

Preferably, buffer gear comprises first spacing ring, buffer spring and second spacing ring, the centre bore and the sheathed tube periphery sliding connection of first spacing ring, the fixed suit of second spacing ring is in the sheathed tube periphery, buffer spring activity cup joints in the sheathed tube periphery, buffer spring's one end and the bottom fixed connection of first spacing ring, buffer spring's the other end and the top fixed connection of second spacing ring.

Preferably, the steel rope limiting mechanism consists of an adjusting rod, a fastening bolt, a cross rod and a limiting rope, the bottom end of the adjusting rod extends into the interior of the sleeve and is in sliding connection with the sleeve, the cross rod is fixedly mounted at the top end of the adjusting rod, one end of the limiting rope is fixedly connected with one end, far away from the adjusting rod, of the cross rod, and one end of the fastening bolt extends into the interior of the sleeve and compresses the adjusting rod and is in threaded connection with the sleeve.

Preferably, the length value of the adjusting rod is larger than that of the sleeve.

Preferably, the four corners of the bottom plate are provided with mounting holes.

Preferably, the top of the first stop collar is in contact with the bottom of the auxiliary plate.

The above technical scheme of the utility model has following profitable technological effect:

the end part of a steel wire rope of the crane is connected with an upper handle of a mechanical tension meter, the length value of the adjusting rod in the sleeve is changed, the steel wire rope is adjusted to a required position and then passes through a rotary fastening bolt, the position of the adjusting rod is stabilized after movement, a limiting rope is tied on the steel wire rope, the limiting effect is achieved on the broken steel wire rope, the steel wire rope is driven by a starter in the vertical direction and acts on the mechanical tension meter, the mechanical tension meter displays the tension value in real time until the steel wire rope is broken, residual stress enables the mechanical tension meter to shake in the vertical direction and acts on a buffer spring, and under the effect of the buffer spring, the mechanical tension meter is buffered in the upward direction, so that damage caused by vibration is reduced, and the test safety is improved.

Drawings

Fig. 1 is the utility model provides a crane pulling force inspection testing arrangement's schematic structure diagram.

Fig. 2 is the utility model provides a buffer gear's among hoist pulling force inspection testing arrangement structural schematic diagram.

Fig. 3 is the utility model provides a hoist pulling force inspection testing arrangement's local structure schematic diagram.

Reference numerals: 1. a base plate; 2. a sleeve; 3. an auxiliary plate; 4. a buffer mechanism; 41. a first limit ring; 42. a buffer spring; 43. a second stop collar; 5. a mechanical tensiometer; 6. a steel rope limiting mechanism; 61. adjusting a rod; 62. fastening a bolt; 63. a cross bar; 64. a limiting rope.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-3, the testing device for testing the tension of the crane provided by the present invention comprises a bottom plate 1, wherein both sides of the top of the bottom plate 1 are fixedly provided with a sleeve 2, the sleeve 2 is slidably connected with an auxiliary plate 3, the sleeve 2 is provided with a buffer mechanism 4, and the buffer mechanism 4 is located below the auxiliary plate 3;

a mechanical tension meter 5 is arranged above the bottom plate 1, one handle of the mechanical tension meter 5 is fixedly connected with the top of the bottom plate 1 through a fixing block, and the other handle of the mechanical tension meter 5 is fixedly connected with the middle part of the auxiliary plate 3;

the sleeve 2 is provided with a steel rope limiting mechanism 6.

In an alternative embodiment, the buffering mechanism 4 is composed of a first limiting ring 41, a buffering spring 42 and a second limiting ring 43, a central hole of the first limiting ring 41 is slidably connected with the outer periphery of the sleeve 2, the second limiting ring 43 is fixedly sleeved on the outer periphery of the sleeve 2, the buffering spring 42 is movably sleeved on the outer periphery of the sleeve 2, one end of the buffering spring 42 is fixedly connected with the bottom of the first limiting ring 41, and the other end of the buffering spring 42 is fixedly connected with the top of the second limiting ring 43.

In an alternative embodiment, the steel rope limiting mechanism 6 is composed of an adjusting rod 61, a fastening bolt 62, a cross rod 63 and a limiting rope 64, wherein the bottom end of the adjusting rod 61 extends into the sleeve 2 and is slidably connected with the sleeve 2, the cross rod 63 is fixedly installed at the top end of the adjusting rod 61, one end of the limiting rope 64 is fixedly connected with one end of the cross rod 63 far away from the adjusting rod 61, and one end of the fastening bolt 62 extends into the sleeve 2 and compresses the adjusting rod 61 and is in threaded connection with the sleeve 2.

In an alternative embodiment, the length of the adjustment lever 61 is greater than the length of the sleeve 2, so that the adjustment lever 61 is adjustable in the vertical direction for a greater range of use.

In an optional embodiment, mounting holes are formed at four corners of the bottom plate 1, so that the bottom plate 1 is mounted at a firmer position through fastening bolts, and the position of the whole device is stable.

In an alternative embodiment, the top of the first stop collar 41 is in contact with the bottom of the auxiliary plate 3.

The utility model discloses in, through the last handle fastening connection with hoist wire rope's tip and mechanical tensiometer 5, change and adjust pole 61 at the inside length value of sleeve pipe 2, adjust to required position back through rotatory fastening bolt 62, in order to adjust the position of pole 61 after the removal and stabilize, restrict limit rope 64 system on wire rope, in order to play spacing effect to the wire rope that bursts apart, wire rope 64 receives the drive of starter in vertical direction, act on mechanical tensiometer 5, mechanical tensiometer 5 shows tension value in real time, until wire rope fracture, residual stress makes mechanical tensiometer 5 rock in vertical direction, act on buffer spring 42, under buffer spring 42's effect, rock in upper direction to mechanical tensiometer 5 and cushion, in order to reduce the damage that vibrations brought, thereby improve the security of test.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides a hoist pulling force inspection testing arrangement, includes bottom plate (1), its characterized in that: the two sides of the top of the bottom plate (1) are fixedly provided with sleeves (2), the sleeves (2) are connected with an auxiliary plate (3) in a sliding manner, the sleeves (2) are provided with buffer mechanisms (4), and the buffer mechanisms (4) are positioned below the auxiliary plate (3);

a mechanical tension meter (5) is arranged above the bottom plate (1), one handle of the mechanical tension meter (5) is fixedly connected with the top of the bottom plate (1) through a fixing block, and the other handle of the mechanical tension meter (5) is fixedly connected with the middle of the auxiliary plate (3);

and a steel rope limiting mechanism (6) is arranged on the sleeve (2).

2. The crane tension test device as claimed in claim 1, wherein: buffer gear (4) comprise first spacing ring (41), buffer spring (42) and second spacing ring (43), the centre bore of first spacing ring (41) and the periphery sliding connection of sleeve pipe (2), the fixed suit of second spacing ring (43) is in the periphery of sleeve pipe (2), buffer spring (42) activity cup joints in the periphery of sleeve pipe (2), the one end of buffer spring (42) and the bottom fixed connection of first spacing ring (41), the other end of buffer spring (42) and the top fixed connection of second spacing ring (43).

3. The crane tension test device as claimed in claim 1, wherein: steel cable stop gear (6) are by adjusting pole (61), fastening bolt (62), horizontal pole (63) and spacing rope (64) and constitute, the bottom of adjusting pole (61) stretches into the inside of sleeve pipe (2) to with sleeve pipe (2) sliding connection, horizontal pole (63) fixed mounting is on the top of adjusting pole (61), the one end of spacing rope (64) and horizontal pole (63) are kept away from the one end fixed connection who adjusts pole (61), the one end of fastening bolt (62) stretches into the inside of sleeve pipe (2) and compresses tightly and adjusts pole (61), and with sleeve pipe (2) threaded connection.

4. The crane tension test device as claimed in claim 3, wherein: the length value of the adjusting rod (61) is larger than that of the sleeve (2).

5. The crane tension test device as claimed in claim 1, wherein: mounting holes are formed in four corners of the bottom plate (1).

6. The crane tension test device as claimed in claim 2, wherein: the top of the first limiting ring (41) is in contact with the bottom of the auxiliary plate (3).