CN107589018B - Lifting lug loading test device and application method thereof - Google Patents
Lifting lug loading test device and application method thereof Download PDFInfo
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- CN107589018B CN107589018B CN201710854214.9A CN201710854214A CN107589018B CN 107589018 B CN107589018 B CN 107589018B CN 201710854214 A CN201710854214 A CN 201710854214A CN 107589018 B CN107589018 B CN 107589018B
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000005303 weighing Methods 0.000 claims abstract description 63
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000005728 strengthening Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003556 assay Methods 0.000 claims 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The invention relates to a lifting lug loading test device and a using method thereof. The technical proposal is as follows: a vertical beam is arranged on one side of a lifting lug of a prying seat to be detected, the upper part of the vertical beam is movably connected with one end of a weighing cross beam, the upper part of the other end of the weighing cross beam is connected with a lifting hook scale assembly through a cross beam upper lifting lug, and the bottom of one side of the weighing cross beam, which is close to the vertical beam, is connected to the lifting lug of the prying seat to be detected through a lifting plate; the square frame assembly is moved upwards through the movable hanging belt, and the weighing cross beam is lifted up through the hanging hook scale assembly, so that a loading test of the prying seat lifting lug is realized. The beneficial effects are that: the invention adopts the small-tonnage crane, the lifting hook scale component, the square frame component, the portal frame component and the weighing cross beam to be matched for use, and can avoid the operation of a large-tonnage lifting device by lifting the weighing cross beam by adopting the lever principle; in addition, the invention can move, is convenient to operate, can detect the load of the prying seat lifting lug in production at any time, improves the detection efficiency and reduces the cost.
Description
Technical Field
The invention relates to the field of maritime work skid-mounted equipment, in particular to a lifting lug loading test device and a use method thereof.
Background
Modular construction has become an important technology and development trend in the modern maritime work field as a low cost, efficient and safe construction model. In the construction process of the marine engineering skid-mounted module, the importance of the skid-mounted module in the hoisting and transferring process of the skid-mounted base lifting lug is self-evident. However, it is difficult to test and verify the safety load that the welded seam can bear after the lifting lug of the pry seat is welded to the pry seat, and generally the following 2 problems need to be solved: firstly, standard loading weight (such as weights, steel ingots and the like) with large tonnage needs to be provided, and secondly, hoisting equipment with large tonnage needs to be provided.
Disclosure of Invention
The invention aims at overcoming the defects in the prior art, and provides a lifting lug loading test device and a use method thereof, which can intuitively and continuously display the loaded load without loading a counterweight or a large-tonnage lifting device, and save cost.
The invention relates to a lifting lug loading test device, which has the technical scheme that: the lifting jack comprises a vertical beam (1), a portal frame component (3), a weighing cross beam (4), a lifting hook scale component (5), a square frame component (6), a jack (7), a hanging strip (8) and a row crane (9), wherein the vertical beam (1) is installed on one side of a lifting lug of a prying seat to be detected, the lower part of the vertical beam (1) is paved with a reinforcing beam 1 (101), the upper part of the vertical beam (1) is movably connected with one end of the weighing cross beam (4), the upper part of the other end of the weighing cross beam (4) is connected with the lifting hook scale component (5) through a lifting lug (402) on the cross beam, the top of the lifting hook scale component (5) is connected to the bottom of the square frame component (6), the top of the square frame component (6) is connected to the row crane (9) through the hanging strip (8), the jack (7) is arranged in an inner frame of the square frame component (6), the top of the inner frame of the square frame component (6) is connected and supported with the top surface of the portal frame component (3), and the lifting hook component (5) is positioned in the inner frame of the portal frame component (3). The bottom of the weighing cross beam (4) close to one side of the vertical beam (1) is connected to a prying seat lifting lug (21) to be tested through a lifting plate; the square frame assembly (6) is driven to move upwards through the crane (9), and the weighing cross beam (4) is lifted up through the crane scale assembly (5), so that a loading test of the prying seat lifting lug (21) is realized.
The portal frame assembly (3) is formed into a rectangular structure by welding a portal frame lower beam (302), a portal frame upper beam (303) and portal frame upright posts (304) on two sides, and a reinforcement beam 2 (301) is paved on the lower portion of the portal frame lower beam (302).
Foretell crossbeam (4) upper portion of weighing is equipped with lug (402) and reserve lug (403) on the crossbeam, and the lower part is equipped with lug (401) under the crossbeam, and the inside both sides of lug (4) are equipped with strengthening rib (405) under the crossbeam on lug (401) upper portion under the crossbeam, lug (402) on the crossbeam, reserve lug (403) and strengthening rib (405) pass through welded connection with crossbeam (4) of weighing, and crossbeam (4) one end of weighing is equipped with crossbeam round hole (404).
The distances from the center of the beam round hole (404) to the beam lower lifting lug (401), the beam upper lifting lug (402) and the standby lifting lug (403) are respectively L1, L2 and L3; the ratio of the two distances is preferably: l2/l1=4; l3/l1=6.
The lifting hook balance assembly (5) comprises a lower lifting ring (502), a lower shackle (501), an upper lifting ring (504), an upper shackle (503) and a weight display instrument (507), wherein the upper part of the weight display instrument (507) is connected to a square frame assembly (6) through the upper lifting ring (504) and the upper shackle (503), and the lower part of the weight display instrument (507) is connected to a beam upper lifting lug (402) or a standby lifting lug (403) at the top of a weighing beam (4) through the lower lifting ring (502) and the lower shackle (501), so that the loaded weight can be displayed at any time through the weight display instrument (507).
The lower part of the beam lower lifting lug (401) is connected with the upper ends of the first lifting plate (230) and the second lifting plate (240) through an upper limit bolt (406) and an upper stud (407), and the lower ends of the first lifting plate (230) and the second lifting plate (240) are connected with the prying seat lifting lug (21) through a lower limit bolt (210) and a lower stud (220).
The jack (7) is provided with a jack handle (702), the lower part of the jack (7) is provided with a height-adjustable adjusting cushion block (701), and the upper part of the jack (7) is placed in the guide sleeve (603).
The weighing cross beam (4), the vertical beam (1), the square frame component (6) and the portal frame component (3) are made of H-shaped steel, and the measuring range of a weight display instrument (507) on the lifting hook scale component (5) is not less than 20 tons; the loading range of the jack (7) is not less than 10 tons, and the loading load range of the single pry seat lifting lug (21) is not more than 50 tons.
The invention relates to a use method of a lifting lug loading test device, which comprises the following steps:
1. hanging a hanging belt (8) on a row crane (9) through a square frame (6), hanging a portal frame assembly (3) and the square frame (6) on a prying seat to be detected, installing a vertical beam (1) on one side of a lifting lug of the prying seat to be detected, and movably connecting one end of a weighing cross beam (4) with the vertical beam (1) and inserting the other end of the weighing cross beam into the portal frame assembly (3);
2. the beam upper lifting lug (402) at the upper part of the weighing beam (4) is movably connected with the square frame lifting lug (601) at the lower part of the square frame lower beam (602) through the lower lifting ring (502), the lower shackle (501), the upper lifting ring (504), the upper shackle (503) and the weight display instrument (507) at the upper part of the lifting hook scale assembly (5),
the lower part of the vertical beam (1) can be paved with a reinforcing beam 1 (101) according to the requirement, and the lower part of the portal frame lower beam (302) is paved with a reinforcing beam 2 (301);
3. the first double-end stud (103) passes through the vertical Liang Yuankong (104) on two sides of the upper part of the vertical beam (1) and a beam round hole (404) at one end of the weighing beam (4), and is fixed by a first limit bolt (102), and the weighing beam (4) can rotate around the first double-end stud (103);
4. the lower lifting lug (401) of the lower beam of the weighing beam (4) and the lifting lug (21) of the prying seat to be tested are clamped and fixed by the first lifting plate (230) and the second lifting plate (240);
5. placing a jack (7) with a jack handle (702) at the middle position of the upper part of a portal frame upper beam (303), placing the upper part of the jack (7) into a guide sleeve (603) at the lower part of a square frame upper beam (604), and padding an adjustable cushion block (701) with adjustable height at the lower part of the jack (7) according to requirements; the height distance between the upper surface of the portal frame upper beam (303) and the lower surface of the square frame upper beam (604) is not less than the maximum travel height of the jack (7);
6. starting a power switch of a weight display instrument (507) on the hanging hook scale assembly (5) and setting zero;
7. the jack handle (702) is pressed circularly to pressurize the jack (7), so that the upper part of the jack (7) continuously applies upward force to the lower part of the square frame upper beam (604) through the middle guide sleeve (603) at the lower part of the square frame upper beam (604), the square frame (6) and the portal frame assembly (3) are fixed firmly, the square frame lifting lug (601) at the middle part of the lower part of the square frame lower beam (602) applies upward force to the lifting lug (402) at the upper part of the weighing cross beam (4) through the lifting hook scale assembly (5), and the load born by the welding joint of the prying seat lifting lug (21) and the prying seat is detected, and the weight display instrument (507) is arranged on the lifting hook scale at any time in the whole process;
8. the maximum weight of the load is displayed at any time by the weight display instrument (507), and the load born by the prying seat lifting lug is obtained according to the lever principle f1l1=f2l2.
The beneficial effects of the invention are as follows: the invention adopts the small-tonnage crane, the lifting hook scale component, the square frame component, the portal frame component and the weighing cross beam to be matched for use, and can avoid the operation of a large-tonnage lifting device by lifting the weighing cross beam by adopting the lever principle; in addition, the invention can move, is convenient to operate, can detect the load of the prying seat lifting lug in production at any time, improves the detection efficiency and reduces the cost.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of the present invention;
in the upper graph: the lifting device comprises a vertical beam (1), a portal frame assembly (3), a weighing cross beam (4), a lifting hook scale assembly (5), a square frame assembly (6), a jack (7), a hanging strip (8) and a travelling crane (9);
the reinforcement beam 1 (101), a first limit bolt (102), a first stud (103) and a vertical Liang Yuankong (104);
a stiffening beam 301, a portal frame lower beam (302), a portal frame upper beam (303) and a portal frame upright (304);
the beam lower lifting lug (401), the beam upper lifting lug (402), the standby lifting lug (403), the beam round hole (404), the reinforcing rib (405), the upper limit bolt (406), the upper stud bolt (407) and the standby lifting lug hole 408;
a lower shackle (501), a lower lifting ring (502), an upper shackle (503), an upper lifting ring (504), a square frame lifting ring 505, a square frame lifting ring shackle 506, a weight display instrument (507) and a weighing lifting hook 508,
square frame lifting lugs (601), square frame lower beams (602), guide sleeves (603), square frame upper beams (604) and square frame vertical beams 605; an adjusting cushion block (701) and a jack handle (702);
the skid base lifting lug (21), a lower limit bolt (210), a lower stud bolt (220), a first hanger plate (230) and a second hanger plate (240).
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Embodiment 1 referring to fig. 1 and 2, the invention relates to a lifting lug loading test device, which has the following technical scheme: the lifting jack comprises a vertical beam (1), a portal frame component (3), a weighing cross beam (4), a lifting hook scale component (5), a square frame component (6), a jack (7), a hanging strip (8) and a row crane (9), wherein the vertical beam (1) is installed on one side of a lifting lug of a prying seat to be detected, the lower part of the vertical beam (1) is paved with a reinforcing beam 1 (101), the upper part of the vertical beam (1) is movably connected with one end of the weighing cross beam (4), the upper part of the other end of the weighing cross beam (4) is connected with the lifting hook scale component (5) through a lifting lug (402) on the cross beam, the top of the lifting hook scale component (5) is connected to the bottom of the square frame component (6), the top of the square frame component (6) is connected to the row crane (9) through the hanging strip (8), the jack (7) is arranged in an inner frame of the square frame component (6), the top of the inner frame of the square frame component (6) is connected and supported with the top surface of the portal frame component (3), and the lifting hook component (5) is positioned in the inner frame of the portal frame component (3). The bottom of the weighing cross beam (4) close to one side of the vertical beam (1) is connected to a prying seat lifting lug (21) to be tested through a lifting plate; the square frame assembly (6) is driven to move upwards through the crane (9), and the weighing cross beam (4) is lifted up through the crane scale assembly (5), so that a loading test of the prying seat lifting lug (21) is realized.
The portal frame assembly (3) is formed into a rectangular structure by welding a portal frame lower beam (302), a portal frame upper beam (303) and portal frame upright rods (304) on two sides, and a reinforcement beam 2 (301) is paved on the lower portion of the portal frame lower beam (302).
The crossbeam upper portion of weighing is equipped with lug (402) and reserve lug (403) on the crossbeam, and the lower part is equipped with lug (401) under the crossbeam, and the inside both sides of the crossbeam of weighing on lug (4) upper portion under the crossbeam are equipped with strengthening rib (405), lug (401) under the crossbeam, lug (402) on the crossbeam, reserve lug (403) and strengthening rib (405) pass through welded connection with crossbeam (4) of weighing, and crossbeam (4) one end of weighing is equipped with crossbeam round hole (404).
The distances from the center of the beam round hole (404) to the beam lower lifting lug (401), the beam upper lifting lug (402) and the standby lifting lug (403) are respectively L1, L2 and L3; the ratio of the two distances is preferably: l2/l1=4; l3/l1=6.
In addition, lifting hook balance subassembly (5) are including rings (502) down, lower shackle (501), go up rings (504), go up shackle (503) and weight display instrument (507), the upper portion of weight display instrument (507) is connected to square frame subassembly (6) through last rings (504) and last shackle (503), and lower part is connected to lifting lug (402) or reserve lug (403) on the crossbeam at crossbeam (4) top of weighing through rings (502) and lower shackle (501), can show loaded weight at any time through weight display instrument (507).
The lower part of the beam lower lifting lug (401) is connected with the upper ends of the first lifting plate (230) and the second lifting plate (240) through an upper limit bolt (406) and an upper stud bolt (407), and the lower ends of the first lifting plate (230) and the second lifting plate (240) are connected with the prying seat lifting lug (21) through a lower limit bolt (210) and a lower stud bolt (220).
The jack (7) is provided with a jack handle (702), the lower part of the jack (7) is provided with a height-adjustable adjusting cushion block (701), and the upper part of the jack (7) is placed in the guide sleeve (603).
Furthermore, the weighing cross beam (4), the vertical beam (1), the square frame component (6) and the portal frame component (3) are made of H-shaped steel, and the measuring range of a weight display instrument (507) on the lifting hook scale component (5) is not less than 20 tons; the loading range of the jack (7) is not less than 10 tons, and the loading load range of the single pry seat lifting lug (21) is not more than 50 tons.
The invention relates to a use method of a lifting lug loading test device, which comprises the following steps:
1. hanging a hanging belt (8) on a row crane (9) through a square frame (6), hanging a portal frame assembly (3) and the square frame (6) on a prying seat to be detected, installing a vertical beam (1) on one side of a lifting lug of the prying seat to be detected, and movably connecting one end of a weighing cross beam (4) with the vertical beam (1) and inserting the other end of the weighing cross beam into the portal frame assembly (3);
2. the beam upper lifting lug (402) at the upper part of the weighing beam (4) is movably connected with the square frame lifting lug (601) at the lower part of the square frame lower beam (602) through the lower lifting ring (502), the lower shackle (501), the upper lifting ring (504), the upper shackle (503) and the weight display instrument (507) at the upper part of the lifting hook scale assembly (5),
the lower part of the vertical beam (1) can be paved with a reinforcing beam 1 (101) according to the requirement, and the lower part of the portal frame lower beam (302) is paved with a reinforcing beam 2 (301);
3. the first double-end stud (103) passes through the vertical Liang Yuankong (104) on two sides of the upper part of the vertical beam (1) and a beam round hole (404) at one end of the weighing beam (4), and is fixed by a first limit bolt (102), and the weighing beam (4) can rotate around the first double-end stud (103);
4. the lower lifting lug (401) of the lower beam of the weighing beam (4) and the lifting lug (21) of the prying seat to be tested are clamped and fixed by the first lifting plate (230) and the second lifting plate (240);
5. placing a jack (7) with a jack handle (702) at the middle position of the upper part of a portal frame upper beam (303), placing the upper part of the jack (7) into a guide sleeve (603) at the lower part of a square frame upper beam (604), and padding an adjustable cushion block (701) with adjustable height at the lower part of the jack (7) according to requirements; the height distance between the upper surface of the portal frame upper beam (303) and the lower surface of the square frame upper beam (604) is not less than the maximum travel height of the jack (7);
6. starting a power switch of a weight display instrument (507) on the hanging hook scale assembly (5) and setting zero;
7. the jack handle (702) is pressed circularly to pressurize the jack (7), so that the upper part of the jack (7) continuously applies upward force to the lower part of the square frame upper beam (604) through the middle guide sleeve (603) at the lower part of the square frame upper beam (604), the square frame (6) and the portal frame assembly (3) are fixed firmly, the square frame lifting lug (601) at the middle part of the lower part of the square frame lower beam (602) applies upward force to the lifting lug (402) at the upper part of the weighing cross beam (4) through the lifting hook scale assembly (5), and the load born by the welding joint of the prying seat lifting lug (21) and the prying seat is detected, and the weight display instrument (507) is arranged on the lifting hook scale at any time in the whole process;
8. the maximum weight of the load is displayed at any time by the weight display instrument (507), and the load born by the prying seat lifting lug is obtained according to the lever principle f1l1=f2l2.
Example 2 the present invention differs from example 1 in that: the alternative lifting lug (403) is adopted to detect the to-be-detected prying seat lifting lug, specifically, the lifting hook scale assembly (5) is connected to the alternative lifting lug (403), then the operation is carried out, the process is the same as that of the embodiment 1, the loading weight can be improved, and the prying seat lifting lug test of larger loading weight can be met.
The above description is only a few preferred embodiments of the present invention, and any person skilled in the art may make modifications to the above described embodiments or make modifications to the same. Therefore, any simple modification or equivalent made according to the technical solution of the present invention falls within the scope of the protection claimed by the present invention.
Claims (6)
1. Lifting lug loading test device, characterized by: the lifting jack comprises a vertical beam (1), a portal frame component (3), a weighing cross beam (4), a lifting hook scale component (5), a square frame component (6), a jack (7), a hanging strip (8) and a row crane (9), wherein the vertical beam (1) is installed on one side of a lifting lug of a prying seat to be detected, the lower part of the vertical beam (1) is paved with a reinforcing beam 1 (101), the upper part of the vertical beam (1) is movably connected with one end of the weighing cross beam (4), the upper part of the other end of the weighing cross beam (4) is connected with the lifting hook scale component (5) through a lifting lug (402) on the cross beam, the top of the lifting hook scale component (5) is connected to the bottom of the square frame component (6), the top of the square frame component (6) is connected to the row crane (9) through the hanging strip (8), the jack (7) is arranged in an inner frame of the square frame component (6), the top of the inner frame of the square frame component (6) is connected and supported with the top surface of the portal frame component (3), and the lifting hook component (5) is positioned in the inner frame of the portal frame component (3). The bottom of the weighing cross beam (4) close to one side of the vertical beam (1) is connected to a prying seat lifting lug (21) to be tested through a lifting plate; the square frame assembly (6) is driven to move upwards through the crane (9), and the weighing cross beam (4) is lifted up through the crane scale assembly (5), so that a loading test of the prying seat lifting lug (21) is realized;
the portal frame assembly (3) is formed by welding a portal frame lower beam (302), a portal frame upper beam (303) and portal frame upright posts (304) on two sides, and a stiffening beam 2 (301) is paved at the lower part of the portal frame lower beam (302);
the lifting hook balance assembly (5) comprises a lower lifting ring (502), a lower shackle (501), an upper lifting ring (504), an upper shackle (503) and a weight display instrument (507), wherein the upper part of the weight display instrument (507) is connected to the square frame assembly (6) through the upper lifting ring (504) and the upper shackle (503), and the lower part of the weight display instrument (507) is connected to a beam upper lifting lug (402) or a standby lifting lug (403) at the top of the weighing beam (4) through the lower lifting ring (502) and the lower shackle (501), so that the loaded weight can be displayed at any time through the weight display instrument (507);
the jack (7) is provided with a jack handle (702), the lower part of the jack (7) is provided with a height-adjustable adjusting cushion block (701), and the upper part of the jack (7) is placed in the guide sleeve (603).
2. The shackle load testing device according to claim 1, wherein: the utility model provides a crossbeam of weighing (4) upper portion be equipped with lug (402) and reserve lug (403) on the crossbeam, the lower part is equipped with lug (401) under the crossbeam, and the inside both sides of the crossbeam of weighing (4) on lug (401) upper portion under the crossbeam are equipped with strengthening rib (405), lug (401) under the crossbeam, lug (402) on the crossbeam, reserve lug (403) and strengthening rib (405) pass through welded connection with crossbeam (4) of weighing, crossbeam (4) one end of weighing is equipped with crossbeam round hole (404).
3. The shackle load assay device according to claim 2, wherein: the distances from the center of the beam round hole (404) to the beam lower lifting lug (401), the beam upper lifting lug (402) and the standby lifting lug (403) are respectively L1, L2 and L3; the ratio of the two distances is: l2/l1=4; l3/l1=6.
4. The shackle load assay device according to claim 2, wherein: the lower part of the beam lower lifting lug (401) is connected with the upper ends of the first lifting plate (230) and the second lifting plate (240) through an upper limit bolt (406) and an upper stud (407), and the lower ends of the first lifting plate (230) and the second lifting plate (240) are connected with the prying seat lifting lug (21) through a lower limit bolt (210) and a lower stud (220).
5. The shackle load testing device according to claim 1, wherein: the weighing cross beam (4), the vertical beam (1), the square frame component (6) and the portal frame component (3) are made of H-shaped steel, and the measuring range of a weight display instrument (507) on the lifting hook scale component (5) is not less than 20 tons; the loading range of the jack (7) is not less than 10 tons, and the loading load range of the single pry seat lifting lug (21) is not more than 50 tons.
6. A method of using a shackle load assay device according to any one of claims 2 to 5, comprising the steps of:
1. hanging a hanging belt (8) on a row crane (9) through a square frame assembly (6), hanging a portal frame assembly (3) and the square frame assembly (6) on a prying seat to be tested, installing a vertical beam (1) on one side of a lifting lug of the prying seat to be tested, and movably connecting one end of a weighing cross beam (4) with the vertical beam (1) and inserting the other end of the weighing cross beam into the portal frame assembly (3);
2. the beam upper lifting lug (402) at the upper part of the weighing beam (4) is movably connected with the square frame lifting lug (601) at the lower part of the square frame lower beam (602) through the lower lifting ring (502), the lower shackle (501), the upper lifting ring (504), the upper shackle (503) and the weight display instrument (507) at the upper part of the lifting hook scale assembly (5);
the lower part of the vertical beam (1) can be paved with a reinforcing beam 1 (101) according to the requirement, and the lower part of the portal frame lower beam (302) is paved with a reinforcing beam 2 (301);
3. the first double-end stud (103) passes through the vertical Liang Yuankong (104) on two sides of the upper part of the vertical beam (1) and a beam round hole (404) at one end of the weighing beam (4), and is fixed by a first limit bolt (102), and the weighing beam (4) can rotate around the first double-end stud (103);
4. the lower lifting lug (401) of the lower beam of the weighing beam (4) and the lifting lug (21) of the prying seat to be tested are clamped and fixed by the first lifting plate (230) and the second lifting plate (240);
5. placing a jack (7) with a jack handle (702) at the middle position of the upper part of a portal frame upper beam (303), placing the upper part of the jack (7) into a guide sleeve (603) at the lower part of a square frame upper beam (604), and padding an adjustable cushion block (701) with adjustable height at the lower part of the jack (7) according to requirements; the height distance between the upper surface of the portal frame upper beam (303) and the lower surface of the square frame upper beam (604) is not less than the maximum travel height of the jack (7);
6. starting a power switch of a weight display instrument (507) on the hanging hook scale assembly (5) and setting zero;
7. the jack handle (702) is pressed circularly to pressurize the jack (7), so that the upper part of the jack (7) continuously applies upward force to the lower part of the square frame upper beam (604) through the middle guide sleeve (603) at the lower part of the square frame upper beam (604), the square frame assembly (6) and the portal frame assembly (3) are fixed firmly, the square frame lifting lug (601) at the middle part of the lower part of the square frame lower beam (602) applies upward force to the lifting lug (402) at the upper part of the weighing cross beam (4) through the lifting hook scale assembly (5), and the load born by the welding joint of the prying seat lifting lug (21) and the prying seat is detected, and the weight display instrument (507) displays the loaded weight at any time on the lifting hook scale in the whole process;
8. the maximum weight of the load is displayed at any time by the weight display instrument (507), and the load born by the prying seat lifting lug is obtained according to the lever principle f1l1=f2l2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854214.9A CN107589018B (en) | 2017-09-20 | 2017-09-20 | Lifting lug loading test device and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710854214.9A CN107589018B (en) | 2017-09-20 | 2017-09-20 | Lifting lug loading test device and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107589018A CN107589018A (en) | 2018-01-16 |
| CN107589018B true CN107589018B (en) | 2023-08-11 |
Family
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Denomination of invention: A lifting ear loading test device and its usage method Effective date of registration: 20231225 Granted publication date: 20230811 Pledgee: Dongying Branch of China CITIC Bank Co.,Ltd. Pledgor: Shandong Wanbang Petroleum Technology Co.,Ltd. Registration number: Y2023980073863 |
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