CN113176086A - Electric insulation scaffold testing device and testing method thereof - Google Patents
Electric insulation scaffold testing device and testing method thereof Download PDFInfo
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- CN113176086A CN113176086A CN202110513385.1A CN202110513385A CN113176086A CN 113176086 A CN113176086 A CN 113176086A CN 202110513385 A CN202110513385 A CN 202110513385A CN 113176086 A CN113176086 A CN 113176086A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0033—Force sensors associated with force applying means applying a pulling force
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a testing device and a testing method for an electric insulating scaffold, and belongs to the field of electric facility maintenance equipment. The electric insulating scaffold testing device comprises a bottom plate, wherein the bottom plate is laid on the ground, a fixed beam is arranged at the bottom of the bottom plate, and an insulating scaffold is placed on the bottom plate; the bottom plate is provided with an annular track, the track is provided with two trolleys which are in rolling fit with the track, and the trolleys are provided with traction devices; the top frame of the insulating scaffold is connected with a tension accessory for providing a force application point; the traction device is respectively connected with corresponding tension accessories through a traction rope, and the traction rope is provided with a tension meter or a torsion meter. According to the electric insulating scaffold testing device, the tension is converted into the pressure or the torsion of the insulating scaffold, so that the pressure test or the torsion test is performed on the insulating scaffold, and the problem that the insulating scaffold is toppled when the pressure and the torsion test is performed on the insulating scaffold regularly is solved.
Description
Technical Field
The invention belongs to the field of electric power facility maintenance equipment, and particularly relates to a testing device and a testing method for an electric power insulating scaffold.
Background
After insulating scaffold frame used for a long time under multiple environment, probably there was insulating surface to wet, lead to the insulating properties to reduce, the material is ageing, the circumstances such as mechanical strength reduces, and the framework hoop section causes the circumstances such as damage because of the misuse in addition, above the circumstances can lead to taking place the incident in the use, and this just needs regularly carry out pressure and torsion test to insulating scaffold, ensures that insulating scaffold can the safe handling.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a testing device and a testing method for an electric insulating scaffold.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
the electric insulating scaffold testing device comprises a bottom plate, wherein the bottom plate is laid on the ground, a fixed beam is arranged at the bottom of the bottom plate, and an insulating scaffold is placed on the bottom plate;
the bottom plate is provided with an annular track, the track is provided with two trolleys which are in rolling fit with the track, and the trolleys are provided with traction devices;
the top frame of the insulating scaffold is connected with a tension accessory for providing a force application point;
the traction device is respectively connected with corresponding tension accessories through a traction rope, and the traction rope is provided with a tension meter or a torsion meter.
Preferably, the insulating scaffold further comprises four foot holding clamps, wherein the foot holding clamps are fixed on the bottom plate, and each foot holding clamp is buckled on one support leg of the insulating scaffold through a jaw.
Preferably, the traction device is a winch, and the winch provides tension for the tension accessory through a traction rope.
Preferably, the tension accessory is connected with the frame of the insulating scaffold through a claw buckle.
Preferably, the tension accessory is of a rod-shaped structure, two ends of the tension accessory are respectively provided with a hanging ring, and the end part of the traction rope is connected with the hanging rings.
Preferably, the tension accessory is of a frame structure, pulleys are arranged at two ends of the tension accessory respectively, and the traction rope sequentially bypasses the pulleys at two ends of the tension accessory and then is connected to the other trolley.
Preferably, the rails are a pair of I-shaped rails, grooves are formed in two sides of the rails respectively, rollers are arranged on two sides of the lower portion of the trolley respectively, and the rollers are assembled in the grooves in the two sides of the rails in a rolling mode.
Preferably, an opening is formed in the rail, and a splicing section is arranged on the opening.
The invention discloses a method for testing an electric insulating scaffold, which is characterized by comprising the following steps of:
s1: laying a bottom plate on the ground, laying a track on the bottom plate, and assembling a trolley on the track;
s2: an insulating scaffold is built on the bottom plate, and a tension accessory is fixed on a cross beam of the insulating scaffold;
s3: and carrying out a pressure test and a torsion test on the insulated scaffold.
Preferably, the concrete operation of the pressure test on the insulating scaffold is as follows:
the trolley and the traction device are connected with the end parts of the tension accessories through the traction ropes, so that the traction ropes at the two ends of the tension accessories are kept in a vertical state, the traction force is applied downwards along the traction ropes through the traction device, the sum of the tension forces at the two ends is transmitted to the insulating scaffold by the tension accessories, the tension forces on the two traction ropes are measured by using a tension meter or a torsion meter, and the sum of the tension forces on the two traction ropes is the pressure borne by the insulating scaffold;
the specific operation of carrying out the torsion test on the insulating scaffold is as follows:
the trolley and the traction device are connected with the end part of the tension accessory through the traction rope, so that the connecting line of the two ends of the traction rope and the tension accessory is kept vertical, the traction device obliquely applies traction force to the traction rope, and the traction force on the two traction ropes is measured through the tension meter or the torsion meter; the component force of the traction force on the horizontal plane is the torsion applied to the traction attachment, and the torsion borne by the insulated scaffold is calculated according to the lever principle.
Compared with the prior art, the invention has the following beneficial effects:
according to the electric insulating scaffold testing device, the rail is arranged on the bottom plate, the pair of the trolley and the traction device are arranged on the rail, the tension accessory is fixed on the insulating scaffold, the traction rope connected with the traction device is connected with the end part of the tension accessory, and tension is converted into pressure or torsion of the insulating scaffold, so that the pressure testing or torsion testing is performed on the insulating scaffold, and the problem that the insulating scaffold is toppled when the pressure and torsion testing is performed on the insulating scaffold regularly is solved.
The method for testing the electric insulating scaffold is simple to operate and safe in process.
Drawings
FIG. 1 is a top view of one embodiment of the present invention;
FIG. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a partial schematic structural view of an embodiment;
fig. 4 is a front view of another embodiment of the present invention.
Wherein: 1-a bottom plate; 101-a fixed beam; 2-a tension attachment; 201-a lifting ring; 202-a pulley; 3-claw buckle; 4-orbit; 401-grooves; 402-splicing section; 403-a connecting rod; 5-a trolley; 501-a roller; 6-a traction device; 7-a tension meter; 8-a hauling rope; and 9-foot holding clamp.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
example 1
Referring to fig. 1, fig. 1 is a front view of an electric insulation scaffold testing device according to the present invention, which includes a base plate 1, a tension attachment 2, a rail 4, a trolley 5 and a traction device 6; the bottom plate 1 is laid on the ground, a fixed beam 101 is arranged at the bottom of the bottom plate 1, a track 4 is arranged on the bottom plate 1, an insulating scaffold is placed on the bottom plate 1, and a top frame of the insulating scaffold is connected with a tension accessory 2 through a claw buckle 3 and used for providing a force application point; two ends of the tension accessory 2 are respectively connected with a traction rope 8, the traction rope 8 is provided with a tension meter 7, the bottom of the traction rope 8 is connected with a traction device 6, the traction device 6 is assembled on a trolley 5, and the trolley 5 is assembled on a track 4.
Referring to fig. 2, fig. 2 is a top view of the present invention, wherein it can be seen that the track 4 is circular and two trolleys 5 are connected to the two ends of the pulling attachment 2 by pulling ropes 8.
The bottom plate 1 is made of a thick wood plate, the bottom of the bottom plate 1 is provided with a fixed beam 101, a plurality of bottom plates 1 can be spliced into a square or round supporting table, the bottom plate 1 is laid on the ground, after the surface of the bottom plate 1 is adjusted to be kept horizontal, a track 4 is laid on the inner side of the edge of the bottom plate 1, the track 4 is enclosed into a round shape, the round supporting table is fixed on the bottom plate 1 through screws, and after the trolley 5 is assembled on the track 4, the traction device 6 is assembled on the trolley 5.
When the pressure test of the insulating scaffold is needed, the insulating scaffold is built on a bottom plate 1, all support legs of the insulating scaffold are fixed, a pull accessory 2 is fixed on a cross beam of the insulating scaffold, the lengths of two ends of the pull accessory 2 extending out of the insulating scaffold are equal, then a trolley 5 and a traction device 6 are utilized to be connected with the end part of the pull accessory 2 through a traction rope 8, so that traction ropes 8 at two ends of the pull accessory 2 are kept in a vertical state, traction force is applied downwards along the traction rope 8 through the traction device 6, the sum of the tension at two ends is transmitted to the insulating scaffold by the pull accessory 2, the tension on the two traction ropes 8 is measured through a tension meter 7, and the sum of the tension on the two traction ropes 8 is the pressure born by the insulating scaffold; when a torsion test is carried out on the insulating scaffold, the trolley 5 and the traction device 6 are connected with the end part of the tension attachment 2 through the traction rope 8, so that the connection line of the traction rope 8 and the two ends of the tension attachment 2 is kept vertical, the traction device 6 obliquely applies traction force to the traction rope 8, and then the traction force on the two traction ropes 8 is measured through the tension meter 7 or the torsion meter; the component force of the traction force on the horizontal plane is the torsion applied to the traction attachment 2, and the torsion borne by the insulated scaffold is calculated according to the lever principle.
Example 2
Referring to fig. 2 and 4, on the basis of embodiment 1, the insulation scaffold further comprises 4 foot claspers 9, and each foot clasper 9 is buckled on one support leg of the insulation scaffold through a jaw.
Embrace foot pincers 9 and set up in pairs, every one end of embracing foot pincers 9 is passed through the screw connection on bottom plate 9, and the other end is provided with keeps silent, and every is embracing foot pincers 9 respectively through keeping silent the lock on insulating scaffold's a stabilizer blade.
Example 3
On the basis of the embodiment 2, the traction device 6 is a winch which provides tension to the tension attachment 2 through a traction rope 8.
Adopt the hoist engine as draw gear 6, conveniently carry out automatic control, still can conveniently set up tensiometer 7 or torsion meter simultaneously, can receive and release haulage rope 8 simultaneously, make its haulage rope 8's length can adjust according to the deformation of insulating scaffold.
Example 4
Referring to fig. 1 and 2, on the basis of embodiment 3, the tension attachment 2 is in a rod-shaped structure, the tension attachment 2 is fixed on the insulating scaffold through a claw buckle, two ends of the tension attachment 2 are respectively provided with a hanging ring 201, and the end of the traction rope 8 is connected with the hanging ring 201.
Adopt the stock as pulling force annex 2, fix pulling force annex 2 on insulating scaffold's top frame through the claw knot, make its both ends stretch out outside the frame, set up rings 201 at the stock both ends, adopt two dollies 5, set up draw gear 6 on every dolly 5, be connected with rings 201 through haulage rope 8 in draw gear 6 to make the numerical value of the tensiometer 7 on every draw gear 6 equal, the numerical value sum on two tensiometers 7 is the pressure that receives on the insulating scaffold promptly.
Example 5
Referring to fig. 4, on the basis of embodiment 4, the pulling force accessory 2 is in a frame structure, pulleys 202 are respectively arranged at two ends of the pulling force accessory 2, and the pulling rope 8 is sequentially wound around the pulleys 202 at two ends of the pulling force accessory 2 and then connected to another trolley 5.
Adopt frame construction's pulling force annex 2, fix the truss of pulling force 2 on the top frame of insulating scaffold through the fluke 3, make its both ends reach out the length and equal, behind the draw gear 6 on a dolly 5 is connected to the one end of haulage rope 8, the pulley 202 and another dolly 5 lug connection at pulling force annex 2 both ends can be walked around to the other end of haulage rope 8, need not set up a draw gear 6 again, only need read the numerical value of the last tensiometer 7 of this draw gear, then get double this numerical value and can obtain the pressure that insulating scaffold received.
Example 6
Referring to fig. 3, on the basis of any one of the above embodiments, the rail 4 is a pair of i-shaped rails, grooves 401 are respectively formed on two sides of the rail, rollers 501 are respectively arranged on two sides of the lower portion of the trolley 5, and the rollers 501 are roll-fitted in the grooves 401 on two sides of the rail 4.
The trolley 5 not only needs to move on the rail 4 to adjust the traction position, but also the trolley 5 can bear the upward reaction force of the traction rope 8 through the matching of the rollers 501 at the two sides and the grooves 401 at the two sides of the I-shaped rail 4.
Example 7
Referring to fig. 1, on the basis of embodiment 1, an opening is provided on the rail 4, and a splicing section 402 is provided at the opening.
When all carrying out the tension test to insulating scaffold interlayer, every layer all need set up the pulling force annex, and every pulling force annex all needs two dollies 5 and draw gear 6, consequently need put into a plurality of dollies 5 on track 4, and this just needs set up the opening on track 4, puts into dolly 5 from track 4 upper shed's terminal surface department, and then reuse concatenation section 402 concatenation breach makes track 4 resume whole annular structure. Connecting rods 403 are connected between the two track strips of the splicing section 402, and connecting holes are formed in the connecting rods 403 and can be fixedly connected with the bottom plate 1 through bolts.
Example 8
The implementation of the invention also provides a method for testing the electric insulating scaffold, which is implemented by adopting the electric insulating scaffold testing device in any one embodiment of the invention and comprises the following steps:
s1: laying a bottom plate 1 on the ground to ensure that the bottom plate 1 is kept horizontal, laying a track 4 on the periphery of the bottom plate 1, and assembling a trolley 5 on the track 4;
s2: an insulating scaffold is built on the bottom plate 1, the foot holding clamp 9 is buckled on each support foot of the insulating scaffold, and the tension accessory 2 is fixed on a cross beam of the insulating scaffold;
s3: when the pressure test is carried out on the insulating scaffold, the trolley 5 and the traction device 6 are used for connecting the end part of the tension accessory 2 through the traction rope 8, the traction ropes 8 at the two ends of the tension accessory 2 are kept in a vertical state, the traction force is downwards applied along the traction ropes 8 through the traction device 6, the sum of the tension forces at the two ends of the tension accessory 2 is transmitted to the insulating scaffold, the tension force on the two traction ropes 8 is measured through the tension meter 7, and the sum of the tension forces on the two traction ropes 8 is the pressure borne by the insulating scaffold;
s4: when a torsion test is carried out on the insulating scaffold, the trolley 5 and the traction device 6 are used for connecting the end part of the tension accessory 2 through the traction rope 8, so that the connection line of the traction rope 8 and the two ends of the tension accessory 2 is kept vertical, the traction device 6 obliquely applies traction force to the traction rope 8, and then the traction force on the two traction ropes 8 is measured through the tension meter 7; the component force of the traction force on the horizontal plane is the torsion applied to the traction attachment 2, and the torsion borne by the insulated scaffold is calculated according to the lever principle.
In S1, the bottom plate 1 is made of a thick wood plate, the lower side of the bottom plate 1 is fixedly connected with a fixed beam 101, a plurality of bottom plates 1 can be connected to the fixed beam 101 through connecting pieces such as bolts and the like, the bottom plates 1 are spliced into a whole, and the levelness of the bottom plate 1 can be adjusted by padding a thin plate at the lower part of the fixed beam 101; the rails 4 are laid in the edge of the base plate 1, and the rails 4 are connected to the base plate 1 through bolts or pins. In S2, the insulating scaffold is assembled on the floor 1 or the assembled insulating scaffold is carried to the center of the floor 1, and then each support leg of the insulating scaffold is fixed by four pairs of foot claspers 9 so that the insulating scaffold cannot move laterally on the floor 1. In S3, referring to fig. 2, 3 and 4, the tension attachment 2 is fixed on the insulated scaffold by the claw buckle 3, so that the two ends of the tension attachment 2 extend to the same length and extend to the right above the rail 4, and the center of the tension attachment is located on the central axis of the insulated scaffold, the trolley 5 is moved along the rail 4 to the right below the two ends of the tension attachment 2, the traction device 6 applies traction force to the end of the tension attachment 2 along the traction rope 8 to convert the end into pressure to the insulated scaffold, and the pressure on the insulated scaffold can be obtained by calculating the sum of the tension on the two tension meters 7, wherein the weight of the tension attachment 2 is ignored. In S4, referring to fig. 1 and 2, the tension attachment 2 is fixed on the insulated scaffold by the claw 3, so that the two ends of the tension attachment 2 extend to the same length and the ends are located on the inner side of the track 4, and the center of the tension attachment is located on the central axis of the insulated scaffold, the end of the tension attachment 2 is connected by the pulling rope 8 by using the trolley 5 and the pulling device 6, so that the connecting line of the two ends of the pulling attachment 2 is kept vertical to the pulling rope 8, the pulling rope 8 is obliquely applied with a pulling force by the pulling device 6, the pulling forces on the two pulling ropes 8 are measured by the tension meter 7, the inclination of the pulling rope 8 is measured, the component force of the pulling force on the horizontal plane is calculated according to the trigonometric function, the component force on the horizontal plane is the torsion force applied to the tension attachment 2 by the single pulling device 6, the length from the center of the tension attachment 2 to the claw 3 and the length to the ends are measured, and calculating the torsion of each traction device 6 to the insulated scaffold according to a lever principle, wherein double horizontal torsion is the total torsion borne by the insulated scaffold, and the weight of the tension accessory 2 is ignored.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. The electric insulation scaffold testing device is characterized by comprising a bottom plate (1), wherein the bottom plate (1) is laid on the ground, a fixed beam (101) is arranged at the bottom of the bottom plate (1), and an insulation scaffold is placed on the bottom plate (1);
an annular track (4) is arranged on the bottom plate (1), two trolleys (5) which are in rolling fit with the track (4) are arranged on the track (4), and traction devices (6) are arranged on the trolleys (5);
the top frame of the insulating scaffold is connected with a tension accessory (2) for providing a force application point;
the traction device (6) is respectively connected with the corresponding tension accessories (2) through a traction rope (8), and a tension meter (7) or a torsion meter is arranged on the traction rope (8).
2. The electric insulation scaffold testing device according to claim 1, further comprising four foot holding clamps (9), wherein the foot holding clamps (9) are all fixed on the bottom plate (1), and each foot holding clamp (9) is buckled on one support leg of the insulation scaffold through a jaw.
3. An electrically insulated scaffolding tester as claimed in claim 1, characterized in that the pulling device (6) is a hoist, which provides pulling force to the pulling attachment (2) through a pulling rope (8).
4. An electrically insulating scaffold testing arrangement according to claim 1, characterized in that the tension attachment (2) is connected to the frame of the insulating scaffold by means of a claw (3).
5. The electric insulation scaffold testing device according to claim 4, wherein the pulling force accessory (2) is of a rod-shaped structure, two ends of the pulling force accessory (2) are respectively provided with a hanging ring (201), and the end part of the traction rope (8) is connected with the hanging ring (201).
6. The electric insulation scaffold testing device according to claim 1, wherein the tension attachment (2) is of a frame structure, pulleys (202) are respectively arranged at two ends of the tension attachment (2), and the traction rope (8) sequentially bypasses the pulleys (202) at two ends of the tension attachment (2) and then is connected to the other trolley (5).
7. The electric insulation scaffold testing device according to claim 1, wherein the rails (4) are a pair of I-shaped rails, grooves (401) are formed on two sides of the rails respectively, rollers (501) are arranged on two sides of the lower portion of the trolley (5) respectively, and the rollers (501) are roll-fitted in the grooves (401) on two sides of the rails (4).
8. An electrically insulated scaffolding tester as claimed in claim 7, characterized in that the track (4) is provided with an opening, on which opening a splicing section (402) is provided.
9. An electrically insulated scaffolding test method according to any of claims 1-8, characterized in that it comprises the following steps:
s1: laying a bottom plate (1) on the ground, laying a track (4) on the bottom plate (1), and assembling a trolley (5) on the track (4);
s2: an insulating scaffold is built on the bottom plate (1), and a tension accessory (2) is fixed on a cross beam of the insulating scaffold;
s3: and carrying out a pressure test and a torsion test on the insulated scaffold.
10. An electrically insulating scaffold testing method according to claim 9, characterized in that the specific operations of pressure testing the insulating scaffold are:
the end parts of the pulling force accessories (2) are connected through the pulling ropes (8) by utilizing the trolley (5) and the pulling device (6), so that the pulling ropes (8) at the two ends of the pulling force accessories (2) are kept in a vertical state, the pulling force is applied downwards along the pulling ropes by the pulling device (6), the sum of the pulling forces at the two ends is transmitted to the insulating scaffold by the pulling force accessories (2), then the pulling forces on the two pulling ropes are measured by utilizing the tension meter (7) or the torsion meter, and the sum of the pulling forces on the two pulling ropes (8) is the pressure borne by the insulating scaffold;
the specific operation of carrying out the torsion test on the insulating scaffold is as follows:
the end part of the tension attachment (2) is connected through a traction rope (8) by utilizing the trolley (5) and the traction device (6), so that the connection lines of the traction rope (8) and the two ends of the tension attachment (2) are kept vertical, the traction device (6) obliquely applies traction force to the traction rope (8), and then the traction force on the two traction ropes (8) is measured through a tension meter (7) or a torsion meter; the component force of the traction force on the horizontal plane is the torsion applied to the traction attachment, and the torsion borne by the insulated scaffold is calculated according to the lever principle.
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| Title |
|---|
| 孙鹏: "扣件式钢管脚手架各杆件受力分析及承载力影响", 《建筑安全》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113176086B (en) | 2022-09-20 |
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