CN216593915U - Crane tension testing device - Google Patents
Crane tension testing device Download PDFInfo
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- CN216593915U CN216593915U CN202220932802.6U CN202220932802U CN216593915U CN 216593915 U CN216593915 U CN 216593915U CN 202220932802 U CN202220932802 U CN 202220932802U CN 216593915 U CN216593915 U CN 216593915U
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- tension test
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Abstract
The utility model discloses a crane tension test device, which belongs to the technical field of tension test and comprises two fixed beams which are oppositely arranged, wherein the inner part of each fixed beam is fixedly connected with a row of vertically arranged falling prevention blocks and a row of vertically arranged pawls, and the falling prevention blocks and the pawls are arranged in the front and back directions; a hanging arm is arranged between the two fixed beams, the top end of the hanging arm is connected with the first hanging ring, a tension sensor is arranged at the joint, and the bottom end of the hanging arm is fixedly connected with the second hanging ring; the hanging arm is characterized in that brake arms which are obliquely arranged are arranged on two sides of the hanging arm respectively, the middle of each brake arm is hinged to the top end of a spring support rod, the spring support rods are fixedly connected to the upper surface of the cross beam in the vertical direction, and ratchet wheels which are rotatably connected with the cross beam are assembled at the left end and the right end of the cross beam respectively. The utility model provides a pair of hoist pulling force inspection testing arrangement can effectively realize ending of testing piece and couple weighing down, ensures ending the reliability of weighing down the process after wire rope splits.
Description
Technical Field
The utility model relates to a hoist pulling force inspection testing arrangement belongs to tensile test technical field.
Background
The crane is a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range, the crane mainly comprises a lifting mechanism, an operating mechanism, a luffing mechanism, a slewing mechanism, a metal structure and the like, the lifting mechanism is a basic working mechanism of the crane, and mostly comprises a hanging system and a winch, and before the crane is put into use, the pulling force of the crane needs to be tested to ensure the safe use of the crane.
At present, the crane tension test device generally has the following defects: when carrying out tensile test to the wire rope and the couple of hoist, there is very big potential safety hazard, can split when wire rope receives the biggest pulling force value, in case wire rope breaks, test piece and couple can drop at a high speed, easily cause major accident, increase the danger that detects the test.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the not enough in the background art, provide a hoist pulling force inspection testing arrangement, can be after wire rope fracture, can effectively realize ending of testing piece and couple and weigh down, ensure to end the reliability of weighing down the process.
For solving the technical problem, the utility model discloses a following technical scheme:
a crane tension test device comprises two fixed beams which are arranged oppositely, wherein a row of vertically arranged falling prevention blocks and a row of vertically arranged pawls are fixedly connected inside the fixed beams, and the falling prevention blocks and the pawls are arranged in a front-back manner;
a hanging arm is arranged between the two fixed beams, the top end of the hanging arm is connected with the first hanging ring, a tension sensor is arranged at the joint, and the bottom end of the hanging arm is fixedly connected with the second hanging ring;
the two sides of the hanging arm are respectively provided with an obliquely arranged brake arm, and the middle part of each brake arm is hinged with the top end of the spring support rod; the spring support rod is fixedly connected to the upper surface of the cross beam along the vertical direction; the left end and the right end of the cross beam are respectively provided with a ratchet wheel which is rotationally connected with the cross beam.
The utility model provides an optimization scheme, the fixed beam sets up along vertical direction, and fixed beam bottom rigid coupling is subaerial.
Further, the fixed beam is U type structure, and the fixed beam is inside to be equipped with the cavity, and the cavity of two fixed beams is setting up in opposite directions.
Furthermore, the adjacent falling stopping blocks are arranged at equal intervals, and the adjacent pawls are arranged at equal intervals.
Furthermore, the left side and the right side of the upper portion of the hanging arm main body are respectively provided with a fixing block, and the fixing blocks are fixedly connected with the hanging arm.
Furthermore, a fixed shaft horizontally arranged is respectively arranged on the fixed blocks in a penetrating manner, and the fixed shaft is fixedly connected with the fixed blocks; the fixed shaft is connected with the top of the brake arm in a sliding mode.
Furthermore, the top of the brake arm is provided with two strip-shaped holes respectively, and two ends of the fixed shaft are arranged in the strip-shaped holes in a penetrating mode respectively.
Furthermore, hinge holes are respectively formed in the middle of the brake arm.
Further, the ratchet wheel is engaged with the pawl.
Furthermore, the lower part of the main body of the hanging arm penetrates through the cross beam.
The utility model adopts the above technical scheme after, compare with prior art, have following advantage:
in the hoisting process of the test block, once the hoisting steel wire rope is broken, the test block enables the fixed block to perform downward pressing action under the action of gravity, the fixed block is matched with the brake arm through the fixed shaft, the brake arm rotates at a certain angle along a hinge point with the spring support rod, the lower end of the brake arm is spread so as to be clamped on the anti-falling block, and the anti-falling of the test block and the lifting hook is realized;
the damping is realized under the effect of spring vaulting pole in the brake arm rotation process, avoids the dead weight of test piece and couple to produce huge impact force, makes whole testing arrangement damage, ensures the reliability of the process of falling of ending.
The present invention will be described in detail with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a structural sectional view of the present invention;
FIG. 3 is a schematic view of the connection of the fixing block and the fixing shaft;
FIG. 4 is a schematic structural view of a middle brake arm according to the present invention;
fig. 5 is a side view of fig. 4.
In the figure, 1-a fixed beam, 2-a falling-stopping block, 3-a pawl, 4-a hanging arm, 5-a first hanging ring, 6-a tension sensor, 7-a second hanging ring, 8-a fixed block, 9-a fixed shaft, 10-a brake arm, 11-a strip-shaped hole, 12-a spring support rod, 13-a cross beam and 14-a ratchet wheel.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1-5 jointly, the utility model provides a hoist pulling force inspection testing arrangement, including two fixed beams 1 that set up in opposite directions, fixed beam 1 sets up along vertical direction, and fixed beam 1 bottom rigid coupling is subaerial.
The fixed beam 1 is of a U-shaped structure, a cavity is arranged inside the fixed beam 1, and the cavities of the two fixed beams 1 are arranged in opposite directions; the inside rigid coupling of fixed beam 1 has one row of vertical setting to end and weighs down piece 2 and one row of vertical setting pawl 3, ends and weighs down piece 2 and pawl 3 and is the front and back setting.
The adjacent falling stopping blocks 2 are arranged at equal intervals, and the adjacent pawls 3 are arranged at equal intervals.
A vertically arranged hanging arm 4 is arranged between the two fixed beams 1, the two sides of the hanging arm 4 are respectively provided with a brake arm 10 which is obliquely arranged, and the free end of the bottom of the brake arm 10 is positioned in the fixed beam 1.
The top end of the hanging arm 4 is connected with the first hanging ring 5, a tension sensor 6 is installed at the connection position, and the bottom end of the hanging arm 4 is fixedly connected with the second hanging ring 7; the first lifting ring 5 is used for being connected with a lifting hook of a crane; and the second lifting ring 7 is used for being connected with the lifting test block.
The left side and the right side of the upper part of the main body of the hanging arm 4 are respectively provided with a fixed block 8, and the fixed blocks 8 are fixedly connected with the hanging arm 4; a fixing shaft 9 horizontally arranged is respectively penetrated through the fixing blocks 8, and the fixing shaft 9 is fixedly connected with the fixing blocks 8; the fixed shaft 9 is connected with the top of the brake arm 10 in a sliding mode, and the brake arm 10 is driven to rotate at a certain angle in the descending process of the fixed shaft 9; the top of the brake arm 10 is provided with two strip-shaped holes 11 respectively, and two ends of the fixed shaft 9 are arranged in the strip-shaped holes 11 in a penetrating mode respectively.
The middle parts of the brake arms 10 are respectively provided with a hinge hole, and the middle parts of the brake arms 10 are respectively hinged with the top ends of the spring support rods 12; the number of the spring support rods 12 is two, the spring support rods 12 are fixedly connected to the upper surface of the cross beam 13 along the vertical direction, the spring support rods 12 play a role in buffering the descending process of the brake arm 10, and the brake arm 10 can swing at a certain angle along the hinged part.
The left end and the right end of the cross beam 13 are respectively provided with a ratchet wheel 14 which is rotatably connected with the cross beam, and the ratchet wheels 14 are matched with the pawls 3 to play a backstop function and ensure that the whole device can only perform ascending motion along the vertical direction.
The lower part of the main body of the hanging arm 4 penetrates through the cross beam 13.
The utility model discloses a concrete theory of operation:
when carrying out the pulling force and detecting, second rings 7 are connected with the test block that lifts by crane, and first rings 5 are connected with the lifting hook of hoist, utilize the hoist to lift by crane the test block, realize the tensile accurate measurement of hoist through force sensor 6.
In the hoisting process of the testing block, once a hoisting steel wire rope of the crane breaks, the testing block enables the fixing block 8 to perform pressing action under the action of gravity, the fixing block 8 is matched with the braking arm 10 through the fixing shaft 9, the braking arm 10 rotates at a certain angle along a hinged point with the spring support rod 12, and the lower end of the braking arm 10 is propped open and clamped on the anti-falling block 2, so that the anti-falling of the testing block and the lifting hook is realized.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (10)
1. The utility model provides a hoist pulling force inspection testing arrangement which characterized in that: the anti-falling device comprises two fixed beams (1) which are arranged oppositely, wherein a row of vertically arranged falling stopping blocks (2) and a row of vertically arranged pawls (3) are fixedly connected to the inner part of each fixed beam (1), and the falling stopping blocks (2) and the pawls (3) are arranged in a front-back manner;
a hanging arm (4) is arranged between the two fixed beams (1), the top end of the hanging arm (4) is connected with a first hanging ring (5), a tension sensor (6) is arranged at the joint, and the bottom end of the hanging arm (4) is fixedly connected with a second hanging ring (7);
the two sides of the hanging arm (4) are respectively provided with a brake arm (10) which is obliquely arranged, and the middle part of each brake arm (10) is hinged with the top end of a spring support rod (12); the spring support rod (12) is fixedly connected to the upper surface of the cross beam (13) along the vertical direction; the left end and the right end of the cross beam (13) are respectively provided with a ratchet wheel (14) which is rotationally connected with the cross beam.
2. The crane tension test device as claimed in claim 1, wherein: the fixed beam (1) is arranged along the vertical direction, and the bottom end of the fixed beam (1) is fixedly connected to the ground.
3. The crane tension test device as claimed in claim 2, wherein: the fixed beam (1) is of a U-shaped structure, a cavity is arranged inside the fixed beam (1), and the cavities of the two fixed beams (1) are arranged in opposite directions.
4. The crane tension test device as claimed in claim 1, wherein: the adjacent falling stopping blocks (2) are arranged at equal intervals, and the adjacent pawls (3) are arranged at equal intervals.
5. The crane tension test device as claimed in claim 1, wherein: the left side and the right side of the upper portion of the hanging arm (4) main body are respectively provided with a fixing block (8), and the fixing blocks (8) are fixedly connected with the hanging arm (4).
6. The crane tension test device as claimed in claim 5, wherein: a fixing shaft (9) horizontally arranged is respectively arranged on the fixing blocks (8) in a penetrating manner, and the fixing shaft (9) is fixedly connected with the fixing blocks (8); the fixed shaft (9) is connected with the top of the brake arm (10) in a sliding mode.
7. The crane tension test device as claimed in claim 6, wherein: the top of the brake arm (10) is respectively provided with two strip-shaped holes (11), and two ends of the fixed shaft (9) are respectively arranged in the strip-shaped holes (11) in a penetrating mode.
8. The crane tension test device as claimed in claim 1, wherein: hinge holes are respectively formed in the middle of the brake arm (10).
9. The crane tension test device as claimed in claim 1, wherein: the ratchet wheel (14) is matched with the pawl (3).
10. The crane tension test device as claimed in claim 1, wherein: the lower part of the main body of the hanging arm (4) penetrates through the cross beam (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220932802.6U CN216593915U (en) | 2022-04-22 | 2022-04-22 | Crane tension testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220932802.6U CN216593915U (en) | 2022-04-22 | 2022-04-22 | Crane tension testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216593915U true CN216593915U (en) | 2022-05-24 |
Family
ID=81634408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220932802.6U Active CN216593915U (en) | 2022-04-22 | 2022-04-22 | Crane tension testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216593915U (en) |
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2022
- 2022-04-22 CN CN202220932802.6U patent/CN216593915U/en active Active
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