Tooling for detecting strength of holding pole

Abstract

The utility model belongs to the technical field of live tool performance detection, and particularly relates to a derrick strength detection tool which is characterized by comprising an upper cross beam, a lower cross beam, a left stand column and a right stand column, the upper cross beam and the lower cross beam are arranged in parallel from top to bottom, and a rectangular frame composed of the left stand column and the right stand column is arranged between the upper cross beam and the lower cross beam. The length of the lower cross beam is larger than that of the upper cross beam, two pulley seats are arranged at the bottom of the lower cross beam, and the two ends of the bottom of each pulley seat are respectively provided with a trundle. Compared with the prior art, the device has the beneficial effects that a horizontal structure is adopted, the length of the device is matched with the length of a to-be-detected derrick, the herringbone derrick and the suspended derrick can be quickly clamped and disassembled, and the static load detection efficiency is improved; the device is convenient to move and is suitable for detecting the strength of the holding poles in batches.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electrified tool performance detection, especially relates to a pole holding strength detection frock. BACKGROUND

[0002] The pole holding and the pole are a special tool of artificial vertical pole, generally use the pole to the wooden single electric pole below 4 meters of vertical. Artificial vertical cement pole generally uses the pole holding or the car crane. The pole holding is the action and the winch, the pulley set, the steel wire rope common work, can just lift several hundred tons of heavy objects. The column body is composed of angle steel, the empty space is called the frame type, and the steel plate full closed production is the solid web type. The pole holding mainly has the following several types: ordinary pole holding: this is the most common pole holding type, is composed of longitudinal rod, cross rod, lifting ring, clamp and the like, is widely used in electric power transmission and distribution line, communication line, electrified railway and municipal road light and the like. The ordinary pole holding is divided into W1, W2, W3 and the like according to the size and material quality, is suitable for different scenes and needs respectively. Insulating pole holding: this pole holding is mainly used for the isolation electric wire and the conductive part between the support, avoids the occurrence of electrical accident. The material quality of insulating pole holding is mainly glass steel or ceramic, has higher insulation performance. Different models of insulating pole holding are suitable for different voltage grades. Anti-vibration pole holding: the pole holding with the anti-vibration capacity, the structure is specially designed to protect the safety of electric power line under the earthquake or other natural disasters. The anti-vibration pole holding is divided into ordinary, medium and high anti-vibration grades according to the anti-vibration grade, is suitable for different intensity earthquake areas. Plug-in pole holding: also called intelligent pole holding, has higher safety and easy operation. The plug-in pole holding is usually made of high-quality aluminum alloy, is convenient to install and has long service life. This pole holding is suitable for the environment needing high safety and convenient operation. Lifting pole holding: including round wood pole holding, angle steel pole holding, steel pipe pole holding and aluminum alloy pole holding and the like. Among them, the steel pipe pole holding is often used to make flange type connection, is suitable for the scene needing high strength and stability. In order to protect the use safety of pole holding, the strength of pole holding needs to be detected regularly.

[0003] The utility model discloses a testing device for insulating holding pole, including test machine main part, displacement encoder, displacement encoder sets up in the top of test machine main part, tension and compression force sensor, tension and compression force sensor sets up in the inside of test machine main part, emergency stop button, emergency stop button sets up in one side of test machine main part.Solution is through the simulation field work of test machine main part to insulating holding pole, at the holding pole connection, segmented holding pole its specified position, through the different pressure of test machine main part to holding pole, detect the compression resistance of every point, through the data on tension and compression force sensor, can judge the maximum pressure that can be borne at test point in actual work, make its in the use process, the staff has good grasp to its performance, avoid the unsafe accident that causes because of the mechanical property problem of holding pole to take place.The deficiency of this scheme is that the tool device is vertical structure, and the operation space is limited, and for the longer holding pole, the gravity center of the holding pole needs to be adjusted repeatedly, otherwise the holding pole is easy to fall off from the testing device, and the detection efficiency is affected. Utility model content

[0004] The utility model discloses a holding pole strength detection frock, overcome the insufficient of prior art, adopt horizontal frock structure, and the length of device is adapted to the length of holding pole, can complete the clamping and dismounting of herringbone holding pole and suspension holding pole quickly, is applicable to the strength detection (static load test) of batch holding pole, improves the detection efficiency.

[0005] To realize the above-mentioned purpose, the utility model discloses the following technical scheme:

[0006] The holding pole strength detection frock includes upper crossbeam, lower crossbeam, left stand and right stand, and the upper crossbeam and the lower crossbeam are arranged in parallel from top to bottom, a rectangular frame formed by the left stand and the right stand is arranged between the upper crossbeam and the lower crossbeam, the length of the lower crossbeam is greater than that of the upper crossbeam, two pulley seats are arranged at the bottom of the lower crossbeam, and a foot wheel is arranged at each end of the bottom of each pulley seat.

[0007] Further, the length of the pulley seat is perpendicular to the width of the lower crossbeam, and the ratio of the length of the pulley seat to the width of the lower crossbeam is 2-3:1; the height of the left stand and the right stand is 800-1000 mm.

[0008] Further, the foot wheel is a universal wheel with a brake.

[0009] Further, the same side of the upper crossbeam, the lower crossbeam, the left stand and the right stand is respectively provided with a ring lug bolt.

[0010] Further, the ring lug bolt is arranged centrally on the component.

[0011] Further, the length of the upper crossbeam is 4800 mm, and the upper crossbeam is made of an I-beam with a specification of 130*320 mm.

[0012] Furthermore, the lower crossbeam is 6800mm long and is made of 130×320mm I-beams.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1) It adopts a horizontal structure, and the length of the device is adapted to the length of the pole to be tested, which can quickly complete the clamping and disassembly of A-frame poles and suspended poles, improving the testing efficiency;

[0015] 2) Equipped with casters at the bottom for easy movement, suitable for strength testing of batch poles, especially for static load strength testing of poles. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0017] Figure 2 yes Figure 1 The left view;

[0018] Figure 3 This is a schematic diagram of the structure used for testing A-frame poles according to an embodiment of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure used for testing suspended poles according to an embodiment of this utility model.

[0020] In the diagram: 1-Upper crossbeam, 2-Lower crossbeam, 3-Left column, 4-Right column, 5-Pulley seat, 6-Cast wheel, 7-Ring lug bolt, 8-A-frame pole, 9-Wheel frame, 10-Wire rope, 11-Pressure sensor, 12-Hand chain hoist, 13-Suspended pole. Detailed Implementation

[0021] The technical solution of this utility model will be clearly and completely described below with reference to specific embodiments. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0022] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the specific embodiments used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some embodiments of this utility model. For those skilled in the art, other specific embodiments can be obtained based on these specific embodiments without creative effort.

[0023] The components of the embodiments of the present application generally described and illustrated herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the present application provided in specific embodiments is not intended to limit the scope of the application claimed, but is merely representative of selected embodiments of the present application.

[0024] See Figures 1-2 It is the embodiment structure schematic diagram of the utility model pole strength detection frock, including upper crossbeam 1, lower crossbeam 2, left stand 3 and right stand 4, upper crossbeam 1 and lower crossbeam 2 are arranged in parallel from top to bottom, and the rectangular frame formed by left stand 3 and right stand 4 is arranged between upper crossbeam 1 and lower crossbeam 2, the length of lower crossbeam 2 is greater than that of upper crossbeam 1, and two pulley seats 5 are arranged at the bottom of lower crossbeam 2, and one caster 6 is arranged at each end of the bottom of each pulley seat 5.

[0025] The pulley seat 5 is arranged vertically to the lower crossbeam 2, and the length-width ratio of the pulley seat 5 to the lower crossbeam 2 is 2.5:1, which can improve the stability of the device; the height of the left stand 3 and the right stand 4 is 1000mm. The caster 6 is a universal wheel with a brake, which is convenient to fix at any time.

[0026] The same side of the upper crossbeam 1, the lower crossbeam 2, the left stand 3 and the right stand 4 is respectively provided with an eye bolt 7. The eye bolt 7 is arranged centrally on the component, and its function is to fix the hand-operated hoist 12.

[0027] The length of the upper crossbeam 1 is 4800mm, which is made of I-beam with a specification of 130*320mm.

[0028] The length of the lower crossbeam 2 is 6800mm, which is made of I-beam with a specification of 130*320mm.

[0029] See Figure 3 It is the embodiment structure schematic diagram of the utility model for testing the A-frame pole, when the embodiment is used, the A-frame pole 8 is laid down to the horizontal state, the wheel frame 9 is placed at the bottom, the foot of the A-frame pole 8 is respectively connected with the lower crossbeam 2 by opening the foot fork, the top of the A-frame pole 8 is connected with the lower crossbeam by the steel wire rope 10, the tension sensor 11 and the hand-operated hoist 12 are arranged on the steel wire rope 10, the pressure of the hand-operated hoist 12 is slowly increased to 1.25 times of the rated load, and maintained for 10min. The bending deformation value between the two feet of the A-frame pole is measured within the last 2min of maintaining the pressure, and the transverse deformation should not exceed 1 / 600 of the full length. After the bending test, each part of the A-frame pole should have no visible cracks and residual deformation, and the connecting parts and fasteners should have no loosening phenomenon.

[0030] See Figure 4The utility model embodiment is used for the structure diagram of testing of suspension holding pole, when the utility model embodiment is used, the suspension holding pole 13 is horizontally passed between the upper cross beam 1 and the lower cross beam 2, the two ends of suspension holding pole 13 are connected with the two ends of lower cross beam through steel wire rope, the tension sensor 11 and the chain block 12 are connected in series on one steel wire rope 10, slowly increase the pressure of chain block 12 to make it reach 1.25 times rated load, keep 10 min. The bending deformation value of suspension holding pole is measured in the last 2 min of keeping pressure, its lateral deformation should not exceed 1 / 600 of the total length. After bending test, the parts of suspension holding pole should have no visible crack and residual deformation, the fixed connection and fastener should have no loosening phenomenon.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A detection tool for detecting the strength of a holding pole, characterized in that, The utility model provides a kind of frame, including upper crossbeam, lower crossbeam, left stand and right stand, upper crossbeam and lower crossbeam are arranged in parallel from top to bottom, and rectangular frame consisting of left stand and right stand is equipped between upper crossbeam and lower crossbeam, the length of lower crossbeam is greater than upper crossbeam, the bottom of the lower crossbeam is equipped with two pulley seats, and each pulley seat bottom two ends is equipped with one trundle.

2. The derrick strength detection tool of claim 1, wherein, The pulley seat is perpendicular to lower crossbeam, and the length-width ratio of pulley seat is 2-3:1; the height of left stand and right stand is 800-1000mm.

3. The derrick strength detection tool of claim 1, wherein, The trundle is a universal wheel with brake.

4. The derrick strength detection tool of claim 1, wherein, The same side of upper crossbeam, lower crossbeam, left stand and right stand is respectively equipped with ring lug bolt.

5. The derrick strength detection tool of claim 4, wherein, The ring lug bolt is centrally arranged on the component.

6. The derrick strength detection tool of claim 1, wherein, The length of upper crossbeam is 4800mm, which is made of I-beam with specification of 130×320mm.

7. The derrick strength detection tool of claim 1, wherein, The length of lower crossbeam is 6800mm, which is made of I-beam with specification of 130×320mm.

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