CN102507329A - Rigidity detection device for escalator skirt panel - Google Patents
Rigidity detection device for escalator skirt panel Download PDFInfo
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- CN102507329A CN102507329A CN2011103570982A CN201110357098A CN102507329A CN 102507329 A CN102507329 A CN 102507329A CN 2011103570982 A CN2011103570982 A CN 2011103570982A CN 201110357098 A CN201110357098 A CN 201110357098A CN 102507329 A CN102507329 A CN 102507329A
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Abstract
The invention relates to the field of detection equipment, particularly to a rigidity detection device for an escalator skirt panel. The rigidity detection device includes a pressing head, a displacement measuring device, a piston rod, a pressurized cylinder barrel, a hydraulic meter, an air cylinder barrel, a pressurized piston rod and an air cylinder piston. Through adopting the technical scheme and in the rigidity detection device for the escalator skirt panel, air enters the air cylinder barrel from a pressure inlet to pressure the air cylinder piston and further enable the pressurized piston rod to enter the pressurized cylinder barrel, so as to enable hydraulic oil in the pressurized cylinder barrel to generate pressure, push the piston rod and further drive the pressing head to extrude the to-be-tested escalator skirt panel; the force exerting on the skirt panel can be obtained through multiplying the reading on the hydraulic meter by the sectional area of the piston rod, and the deformation of the skirt panel can be directly read by the displacement testing device; and the operation process is simple and easy to understood, and can be mastered by engineering personnel undergoing simple training and practice, and the rigidity detection device can be specially used for measuring the rigidity of the escalator skirt panel, is accurate in measurement result and portable.
Description
Technical field
The present invention relates to the checkout equipment field, specifically, relate to the moving staircase apron plate rigidity detection device.
Background technology
In recent years, because quickening of urbanization process, public places such as supermarket, market, airport, subway and office building use escalator in a large number, and the escalator recoverable amount of China significantly increases year by year, and the escalator accident occurs repeatedly.
Escalator belongs to the special equipment of national requirements forced examination, and its quality quality is concerning broad masses' security of the lives and property.GB16899-1997 " manufacturing of escalator and moving sidewalk with install safety standard " requires escalator must strengthen regular detection, to guarantee safe operation, wherein, the rigidity of moving staircase apron plate is had higher requirement.The regulation that the relevant rigidity of GB16899-1997 5.1.5.6.2 bar detects: to the least favorable position of apron plate, the power that vertically applies a 1500N is on the area of 25cm2, and its depression should be greater than 4mm, and should not cause permanent strain therefrom.
The rigidity of a mechanism (k) is meant the ability of elastic body resistance to deformation (bending, stretching, compression etc.).In elastic range, rigidity is the scale-up factor that part load is directly proportional with displacement, promptly causes the power that unit displacement is required.Rigidity can be divided into quiet rigidity and dynamic stiffness.
Computing formula: k=P/ δ
P is the constant force that acts on mechanism, and δ is the deformation that produces owing to power,
The international unit of rigidity is every meter of newton (N/m).
Owing to detect the rigidity of moving staircase apron plate; Must equipment and instrument be carried to on-the-spot detection the in place, place of escalator; That the moving staircase apron plate rigidity detection device of prior art has weight is heavier etc., and reason is not easy to carry because volume is bigger, and what have is not to be specifically designed to the equipment of measuring moving staircase apron plate; Complicated operation, measurement result is not accurate enough.
Summary of the invention
The present invention provides a kind of moving staircase apron plate rigidity detection device in order to overcome shortcoming of the prior art, and it is easy to carry, and is simple to operate, and measurement result is accurate, is specifically designed to the rigidity that detects handrail elevator apron plate.
In order to solve the problems of the technologies described above, the present invention realizes through following technical scheme.
The moving staircase apron plate rigidity detection device,
Comprise the head of exerting pressure, displacement measuring device, piston rod, supercharging cylinder barrel, hydralic pressure gauge, cylinder barrel, charged piston bar and cylinder piston;
The pressurized cylinder jacket casing is connected to the piston rod outside, and supercharging cylinder barrel and piston rod closely cooperate through the circle that is tightly connected, and the head of exerting pressure is fixed in the end that piston rod stretches out the supercharging cylinder barrel, and piston rod connects displacement measuring device, and hydralic pressure gauge is connected with the supercharging cylinder barrel;
Cylinder barrel is connected with the supercharging cylinder barrel, and cylinder barrel is sheathed on charged piston bar outside, and charged piston bar and cylinder piston are affixed, and cylinder piston and cylinder barrel closely cooperate through the circle that is tightly connected;
Cylinder barrel offers pressure inlets.
Further, displacement measuring device comprises connecting link and displacement measurement dial gauge, and connecting link one end is fixed in piston rod, and the other end is connected in the displacement measurement dial gauge.
Further, displacement measuring device comprises adjuster bar, can adjust slip ring and vernier caliper, can adjust slip ring sleeve and be connected to the adjuster bar outside, is used with vernier caliper.
Further, the head of exerting pressure comprises pressure disc and manometric head, and the first end of pressure is that sphere is connected with pressure disc, and the other end and piston rod are affixed.
Preferably, affixed through the circle that is tightly connected between the gentle cylinder barrel of supercharging cylinder barrel, the charged piston bar passes the circle that is tightly connected and is slidingly connected with the circle that is tightly connected.
Preferably, the diameter of pressure disc is φ 56.4mm.
Preferably, the charged piston bar outside is socketed with back-moving spring.
Preferably, cylinder barrel is provided with fixed bar, adjusting lever and positioning head, and fixed bar is the cup-shaped cylinder of the airtight end opening of an end; The airtight end of fixed bar is socketed in the cylinder barrel; Opening one end is socketed on the adjusting lever outside, is threaded with adjusting lever, and the other end is connected with positioning head.
Preferably, also comprise frame, frame is two, and one is fixed in the supercharging cylinder barrel, and another is fixed in fixed bar.
Preferably, positioning head comprises positioning disk and positioning pressure head, and the positioning pressure head is connected with the positioning disk sphere.
Since adopt technique scheme, moving staircase apron plate rigidity detection device of the present invention, and gas gets into cylinder barrel by pressure inlets; Cylinder piston is exerted pressure, make the charged piston bar enter into the supercharging cylinder barrel, make hydraulic oil generation pressure in the supercharging cylinder barrel; Hydraulic oil promotes piston rod, drives the tested handrail elevator apron plate of head extruding of exerting pressure, and the big I that the apron plate is applied power multiply by the piston rod sectional area by the reading on the hydralic pressure gauge and draws; The deformation quantity of apron plate can directly be read from displacement tester; Operating process is easily understood, and the engineering staff just can grasp through simple training and exercise, and is specifically designed to the rigidity of measuring moving staircase apron plate; Measurement result is accurate, is easy to carry.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the sectional structure synoptic diagram of one embodiment of the present of invention.
Fig. 2 is the structural representation of one embodiment of the present of invention.
Fig. 3 is the structural representation of one embodiment of the present of invention.
In Fig. 1 to Fig. 3, include:
1---cylinder barrel,
2---the displacement measurement dial gauge,
3---piston rod,
4---the supercharging cylinder barrel,
5---hydralic pressure gauge,
6---the charged piston bar,
7---connecting link,
8---adjuster bar,
9---can adjust slip ring,
10---vernier caliper,
11---pressure disc,
12---manometric head,
13---the circle that is tightly connected,
14---pressure inlets,
15---back-moving spring,
16---fixed bar,
17---adjusting lever,
18---positioning disk,
19---the positioning pressure head,
20---frame,
21---cylinder piston.
Embodiment
Embodiment 1
Like Fig. 1, Fig. 2 and shown in Figure 3, the moving staircase apron plate rigidity detection device of present embodiment comprises the head of exerting pressure, displacement measuring device, piston rod 3, supercharging cylinder barrel 4, hydralic pressure gauge 5, cylinder barrel 1, charged piston bar 6 and cylinder piston 21.
Referring to Fig. 2, supercharging cylinder barrel 4 is socketed on piston rod 3 outsides, and supercharging cylinder barrel 4 closely cooperates through the circle 13 that is tightly connected with said piston rod 3, prevents that the hydraulic oil in the supercharging cylinder barrel 4 from spilling.Piston rod 3 can slide in supercharging cylinder barrel 4, and the head of exerting pressure is fixed in the end that said piston rod 3 stretches out supercharging cylinder barrel 4, is exerted pressure to measured object by piston rod 3 head that promotes to exert pressure, and piston rod 3 connects displacement measuring devices, and hydralic pressure gauge 5 is connected with supercharging cylinder barrel 4.Hydralic pressure gauge 5 directly with supercharging cylinder barrel 4 in hydraulic oil is communicated with, hydraulic oil is in promotion piston rod 3, the size of hydralic pressure gauge 5 unit of display area pressure is that pressure is big or small.When showing less than the pressure estimated, continue to exert pressure, when showing, hydralic pressure gauge 5 then stops to exert pressure when arriving predictable pressures.
Cylinder barrel 1 is connected with supercharging cylinder barrel 4, and cylinder barrel 1 is sheathed on charged piston bar 6 outsides, and charged piston bar 6 is affixed with cylinder piston 21, and cylinder piston 21 closely cooperates through the circle 13 that is tightly connected with said cylinder barrel 1, prevents cylinder barrel 1 gas leakage.Cylinder barrel 1 offers pressure inlets 14, and gas is charged into, and leans on air pressure to promote cylinder piston 21 and travels forward.
Displacement measuring device comprises connecting link 7 and displacement measurement dial gauge 2, and connecting link 7 one ends are fixed in piston rod 3, and the other end is connected in displacement measurement dial gauge 2.The displacement of piston rod 3 is presented on the displacement measurement dial gauge 2, and the displacement of piston rod 3 is the depression displacement of tested elevator apron plate.
The head of exerting pressure comprises pressure disc 11 and manometric head 12, and manometric head 12 1 ends and pressure disc 11 are for sphere is connected, and the other end and piston rod 3 are affixed.Pressure disc 11 is designed to sphere with manometric head 12 and is connected, and the feasible head of exerting pressure fully contacts with measured object, and the strength conduction of surface of contact is more even.
Affixed through the circle 13 that is tightly connected between supercharging cylinder barrel 4 and the cylinder barrel 1, charged piston bar 6 passes the circle 13 that is tightly connected and is slidingly connected with the circle 13 that is tightly connected.The circle 13 that is tightly connected is divided into two parts with supercharging cylinder barrel 4 and cylinder barrel 1, makes supercharging cylinder barrel 4 and cylinder barrel 1 become two independently seal cavities.
The diameter of pressure disc 11 is φ 56.4mm.The regulation that GB16899-1997 " manufacturing of escalator and moving sidewalk and installation safety standard " the relevant rigidity of 5.1.5.6.2 bar detects: to the least favorable position of apron plate; The power that vertically applies a 1500N is on the area of 25cm2; Its depression should be greater than 4mm, and should not cause permanent strain therefrom.Therefore, the area requirements of pressure disc 11 is 25cm2, should be 56.4mm through calculating diameter.
Cylinder barrel 1 is provided with fixed bar 16, adjusting lever 17 and positioning head; Fixed bar 16 is the cup-shaped cylinder of the airtight end opening of an end, and fixed bar 16 airtight ends are socketed in the cylinder barrel 1, and opening one end is socketed on adjusting lever 17 outsides; Be threaded with adjusting lever 17, the other end is connected with positioning head.Adjusting lever 17 can screw out or screw in the axial length of adjustment whole testing device through screw thread, makes the crown of exerting pressure live measured object, and positioning head withstands fixed head or non-tested handrail elevator apron plate, is convenient to test.
Also comprise frame 20, frame 20 is two, and one is fixed in supercharging cylinder barrel 4, and another is fixed in fixed bar 16.Frame 20 is used to support proving installation.
Positioning head comprises positioning disk 18 and positioning pressure head 19, and positioning pressure head 19 is connected with positioning disk 18 spheres, is convenient to adjust proving installation and makes its application of force direction vertical with tested plane.
Its principle of work: with reference to figure 1, Fig. 2 is during measurement; Pick-up unit of the present invention is positioned between tested handrail elevator apron plate and fixed head or the non-tested handrail elevator apron plate, adjusts the distance between fixed head and the testee, perhaps adjust the adjusting lever 17 of pick-up unit; Make the head of exerting pressure withstand tested handrail elevator apron plate and fixed head respectively with positioning head, gas is squeezed into cylinder barrel 1 by air pump and is exerted pressure for charged piston bar 6, the charged piston bar 6 entering supercharging cylinder barrel 4 that travels forward; It is big that hydraulic fluid pressure in the supercharging cylinder barrel 4 becomes; Force piston rod 3 to push the head of exerting pressure, handrail elevator apron plate is exerted pressure to deform after head is exerted pressure, and its deflection is read by displacement measurement dial gauge 2; The size of the power of exerting pressure is simultaneously measured by hydralic pressure gauge 5, so just accomplishes the measurement to the deflection of elevator apron plate under authorised pressure.
The cross-sectional area of charged piston bar 6 of the present invention should be littler than the cross-sectional area of piston rod 3, and the cross-sectional area of cylinder piston 21 is bigger than the cross-sectional area of piston rod 3.Suppose that all parts all are in one and do not have friction force, and static perfect condition.
Example one: the cross-sectional area of charged piston bar 6 is S, and the cross-sectional area of piston rod 3 is 2S, and the cross-sectional area of cylinder piston 21 is 2S; If need to give a power that applies a 1500N of exerting pressure; Then the pressure of hydraulic oil is 1500/2S in the supercharging cylinder barrel, and hydraulic oil and charged piston bar 6 interaction force in the axial direction are 750N, as long as so cylinder piston be applied in the power of a 750N; Therefore be provided with like this and can play the labour-saving effect, required air pressure is 750N/2S.
Example two: the cross-sectional area of charged piston bar 6 is S, and the cross-sectional area of piston rod 3 is 4S, and the cross-sectional area of cylinder piston 21 is 2S; If need to give a power that applies a 1500N of exerting pressure; Then the pressure of hydraulic oil is 1500/4S in the supercharging cylinder barrel, and hydraulic oil and charged piston bar 6 interaction force in the axial direction are 375N, as long as so cylinder piston be applied in the power of a 375N; Therefore be provided with like this and can play the labour-saving effect, required air pressure is 375N/2S.Because the pressure that cylinder piston needs is less, therefore can use small-sized chargers such as hand air pump, carry and use all more convenient laborsaving.Above-mentioned example explains that also the ratio of cross-sectional area of cross-sectional area and piston rod 3 of charged piston bar 6 is more little then laborsaving more, but should confirm the ratio between the two according to equipment actual conditions and environment for use.
Since adopt technique scheme, moving staircase apron plate rigidity detection device of the present invention, and gas gets into cylinder barrel 1 by pressure inlets 14; Cylinder piston 21 is exerted pressure, make charged piston bar 6 enter into supercharging cylinder barrel 4, make hydraulic oil generation pressure in the supercharging cylinder barrel 4; Hydraulic oil promotes piston rod 3, drives the tested handrail elevator apron plate of head extruding of exerting pressure, and the big I that the apron plate is applied power multiply by piston rod 3 sectional areas by the reading on the hydralic pressure gauge 5 and draws; The deformation quantity of apron plate can directly be read from displacement tester; Operating process is easily understood, and the engineering staff just can grasp through simple training and exercise, and is specifically designed to the rigidity of measuring moving staircase apron plate; Measurement result is accurate, is easy to carry.
The main technical schemes of present embodiment is identical with embodiment 1, and unaccounted characteristic adopts the explanation among the embodiment 1 in the present embodiment, no longer gives unnecessary details at this.The difference of present embodiment and embodiment 1 is:
As shown in Figure 3, in the present embodiment, displacement measuring device can be adjusted slip ring 9 and be socketed on adjuster bar 8 outsides for comprising adjuster bar 8, can adjusting slip ring 9 and vernier caliper 10, is used with vernier caliper 10.Under the drive of piston rod 3, produce displacement when adjusting slip ring 9, be the displacement that measured object produces reading the displacement that to adjust slip ring 9 on the vernier caliper 10 under pressure.
Should be noted that at last; Above embodiment only is used to technical scheme of the present invention is described but not to the restriction of protection domain of the present invention; Although the present invention has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention, and do not break away from the essence and the scope of technical scheme of the present invention.
Claims (10)
1. moving staircase apron plate rigidity detection device is characterized in that:
Comprise the head of exerting pressure, displacement measuring device, piston rod (3), supercharging cylinder barrel (4), hydralic pressure gauge (5), cylinder barrel (1), charged piston bar (6) and cylinder piston (21);
Said supercharging cylinder barrel (4) is socketed on said piston rod (3) outside; Said supercharging cylinder barrel (4) closely cooperates through the circle (13) that is tightly connected with said piston rod (3); The said head of exerting pressure is fixed in the end that said piston rod (3) stretches out supercharging cylinder barrel (4); Said piston rod (3) connects said displacement measuring device, and said hydralic pressure gauge (5) is connected with said supercharging cylinder barrel (4);
Said cylinder barrel (1) is connected with said supercharging cylinder barrel (4); Said cylinder barrel (1) is sheathed on said charged piston bar (6) outside; Said charged piston bar (6) is affixed with said cylinder piston (21), and said cylinder piston (21) closely cooperates through the circle (13) that is tightly connected with said cylinder barrel (1);
Said cylinder barrel (1) offers pressure inlets (14).
2. moving staircase apron plate rigidity detection device according to claim 1; It is characterized in that: said displacement measuring device comprises connecting link (7) and displacement measurement dial gauge (2); Said connecting link (7) one ends are fixed in said piston rod (3), and the other end is connected in said displacement measurement dial gauge (2).
3. moving staircase apron plate rigidity detection device according to claim 1; It is characterized in that: said displacement measuring device comprises adjuster bar (8), can adjust slip ring (9) and vernier caliper (10); The said slip ring (9) of adjusting is socketed on said adjuster bar (8) outside, is used with said vernier caliper (10).
4. moving staircase apron plate rigidity detection device according to claim 1; It is characterized in that: the said head of exerting pressure comprises pressure disc (11) and manometric head (12); Said manometric head (12) one ends and said pressure disc (11) are for sphere is connected, and the other end and said piston rod (3) are affixed.
5. moving staircase apron plate rigidity detection device according to claim 4; It is characterized in that: affixed through the circle (13) that is tightly connected between said supercharging cylinder barrel (4) and the cylinder barrel (1), said charged piston bar (6) passes the said circle (13) that is tightly connected and is slidingly connected with the said circle (13) that is tightly connected.
6. moving staircase apron plate rigidity detection device according to claim 4 is characterized in that: the diameter of said pressure disc (11) is φ 56.4mm.
7. moving staircase apron plate rigidity detection device according to claim 6 is characterized in that: said charged piston bar (6) outside is socketed with back-moving spring (15).
8. moving staircase apron plate rigidity detection device according to claim 7; It is characterized in that: said cylinder barrel (1) is provided with fixed bar (16), adjusting lever (17) and positioning head; Said fixed bar (16) is the cup-shaped cylinder of the airtight end opening of an end, and the airtight end of said fixed bar (16) is socketed in the said cylinder barrel (1), and opening one end is socketed on said adjusting lever (17) outside; Be threaded with said adjusting lever (17), the other end is connected with said positioning head.
9. moving staircase apron plate rigidity detection device according to claim 8 is characterized in that: also comprise frame (20), said frame (20) is two, and one is fixed in said supercharging cylinder barrel (4), and another is fixed in said fixed bar (16).
10. moving staircase apron plate rigidity detection device according to claim 8 is characterized in that: said positioning head comprises positioning disk (18) and positioning pressure head (19), and said positioning pressure head (19) is connected with said positioning disk (18) sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103570982A CN102507329A (en) | 2011-11-11 | 2011-11-11 | Rigidity detection device for escalator skirt panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103570982A CN102507329A (en) | 2011-11-11 | 2011-11-11 | Rigidity detection device for escalator skirt panel |
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| CN102507329A true CN102507329A (en) | 2012-06-20 |
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| CN2011103570982A Pending CN102507329A (en) | 2011-11-11 | 2011-11-11 | Rigidity detection device for escalator skirt panel |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217090A (en) * | 2013-04-27 | 2013-07-24 | 中山市鸿勋机械有限公司 | Elevator door cab wall and staircase skirt panel deformation test device |
| CN103954445A (en) * | 2014-05-16 | 2014-07-30 | 广东省特种设备检测研究院 | Portable elevator landing door loading tester and testing method |
| CN103969070A (en) * | 2014-04-30 | 2014-08-06 | 中山市鸿勋机械有限公司 | Deformation measurement instrument for elevator door |
| CN104964877A (en) * | 2015-07-29 | 2015-10-07 | 北京汽车研究总院有限公司 | Rigidity testing device and system |
| CN105547836A (en) * | 2016-01-26 | 2016-05-04 | 浙江巨人控股有限公司 | Car platform sill wall strength testing device |
| CN106442127A (en) * | 2016-11-08 | 2017-02-22 | 沃克斯电梯（中国）有限公司 | Staircase apron plate pressure test device and test method |
| CN107179239A (en) * | 2017-07-27 | 2017-09-19 | 河南省特种设备安全检测研究院 | Device for detecting deformation and ladder apron plate device for detecting deformation |
| CN107228633A (en) * | 2017-06-08 | 2017-10-03 | 河南省特种设备安全检测研究院新乡分院 | The method for measuring elevator door deformation quantity |
| CN107228634A (en) * | 2017-06-08 | 2017-10-03 | 河南省特种设备安全检测研究院新乡分院 | The higher elevator door deformation quantity measuring mechanism of accuracy |
| CN114858125A (en) * | 2022-05-05 | 2022-08-05 | 广州广日电梯工业有限公司 | Baseboard testing device and baseboard testing method |
| CN114858125B (en) * | 2022-05-05 | 2024-07-26 | 广州广日电梯工业有限公司 | Dado board testing device and dado board testing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103217090B (en) * | 2013-04-27 | 2015-12-23 | 中山市鸿勋机械有限公司 | Elevator door sedan-chair wall and ladder apron plate deformation test device |
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| CN105547836A (en) * | 2016-01-26 | 2016-05-04 | 浙江巨人控股有限公司 | Car platform sill wall strength testing device |
| CN106442127A (en) * | 2016-11-08 | 2017-02-22 | 沃克斯电梯（中国）有限公司 | Staircase apron plate pressure test device and test method |
| CN107228634B (en) * | 2017-06-08 | 2019-03-29 | 河南省特种设备安全检测研究院新乡分院 | Elevator door deformation quantity measuring mechanism |
| CN107228634A (en) * | 2017-06-08 | 2017-10-03 | 河南省特种设备安全检测研究院新乡分院 | The higher elevator door deformation quantity measuring mechanism of accuracy |
| CN107228633A (en) * | 2017-06-08 | 2017-10-03 | 河南省特种设备安全检测研究院新乡分院 | The method for measuring elevator door deformation quantity |
| CN107228633B (en) * | 2017-06-08 | 2019-03-29 | 河南省特种设备安全检测研究院新乡分院 | The method for measuring elevator door deformation quantity |
| CN107179239A (en) * | 2017-07-27 | 2017-09-19 | 河南省特种设备安全检测研究院 | Device for detecting deformation and ladder apron plate device for detecting deformation |
| CN107179239B (en) * | 2017-07-27 | 2023-03-17 | 河南省特种设备安全检测研究院 | Deformation detection device and escalator skirt panel deformation detection device |
| CN114858125A (en) * | 2022-05-05 | 2022-08-05 | 广州广日电梯工业有限公司 | Baseboard testing device and baseboard testing method |
| CN114858125B (en) * | 2022-05-05 | 2024-07-26 | 广州广日电梯工业有限公司 | Dado board testing device and dado board testing method |
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Application publication date: 20120620 |