CN201678922U - Automatic drop hammer exciting device - Google Patents
Automatic drop hammer exciting device Download PDFInfo
- Publication number
- CN201678922U CN201678922U CN201020196570XU CN201020196570U CN201678922U CN 201678922 U CN201678922 U CN 201678922U CN 201020196570X U CN201020196570X U CN 201020196570XU CN 201020196570 U CN201020196570 U CN 201020196570U CN 201678922 U CN201678922 U CN 201678922U
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- exciting bank
- hammer
- mass
- sole plate
- automatically according
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Abstract
The utility model discloses an automatic drop hammer exciting device which comprises the following components: a foundation, upright posts, a top fixing frame, an electric device, mass blocks and a hammer body, which are detachably connected; wherein, the upright posts are connected between the foundation and the top fixing frame; the electric device is connected with the top fixing frame; the mass blocks are connected with the electric device absorptively; and the hammer block is connected with the foundation. The automatic drop hammer exciting device has the following advantages: convenient detachment and installation, capacity for being carried to the prior-art rail for test, no requirement for a prefabricated rail, large amount of test preparing time and money saving. Furthermore, the automatic drop hammer exciting device has high portability while the field test is performed in a tunnel, and can be detached for being taken out from the tunnel when the test is finished, and the potential safety hazard is prevented.
Description
Technical field
The utility model relates to the technical field of the test of track structure and track component dynamic characteristics, relates in particular to a kind of exciting bank that drops hammer automatically.
Background technology
Along with the development of China railways speed-raising and city rail, increasing novel track structure drops into actual the use.In order to grasp the dynamic characteristics of novel track structure and novel track parts, need it is carried out dynamic test.And the method for dynamic test has two kinds, and a kind of is under the condition that train passes through, and at the scene track structure is tested; The 2nd, wheel track simulation impact test.
For first method,, testing equipment stayed there is certain potential safety hazard in the tunnel because train operation is to the arrangement requirement strictness of testing equipment; Can not detect the situation of data acquisition at any time; The cycle of single test is longer.For second method, also have following defective: the test site is fixed, general all on fixing large-scale experiment platform, can't test at the railway scene, therefore need prefabricated test tracks, build and test tracks prefabricated of testing counter all need to expend lot of manpower and material resources, testing expenses height.
The utility model content
In order to overcome the deficiency of prior art structure, the utility model provides a kind of exciting bank that drops hammer automatically, this device can be for convenience detach with install, be carried to the scene easily, and then save a large amount of test time and money.
The invention discloses a kind of exciting bank that drops hammer automatically, comprise the sole plate, column, top fixed mount, electrical equipment, mass and the hammer body that removably connect; Wherein, described column is connected between described sole plate and the described top fixed mount, and described electrical equipment is connected with described top fixed mount, and described mass is adsorbable to be connected on the described electrical equipment, and described hammer body is connected on the described sole plate.
The above-mentioned exciting bank that drops hammer automatically, preferred described electrical equipment comprises electric block and magnechuck, and described electric block is connected with the motor fixed bar of described top fixed mount, and described magnechuck is connected with described electric block.
The above-mentioned exciting bank that drops hammer automatically, preferred described mass comprise a plurality of independently protonatomic mass pieces.
The above-mentioned exciting bank that drops hammer automatically, preferably also comprise flange, oil buffer, described flange is fixedly connected on described sole plate, and described oil buffer is socketed on described flange with after described hammer body is fixedlyed connected by screw rod through described oil buffer top.
The above-mentioned exciting bank that drops hammer automatically, the tup of preferred described hammer body partly is provided with strong sensor.
The above-mentioned exciting bank that drops hammer automatically, preferred described tup comprises rubber tup, aluminium matter tup or nylon tup.
The above-mentioned exciting bank that drops hammer automatically, preferred described column comprises upper pillar stand, column sleeve and lower pillar stand, described upper pillar stand is connected by described column sleeve with described lower pillar stand.
The above-mentioned exciting bank that drops hammer automatically preferably also is connected with top guide bar and lower guide rod between described top fixed mount and described sole plate.
The above-mentioned exciting bank that drops hammer automatically preferably also comprises adjustable bolt and round doily, and described lower pillar stand bottom is connected with described round doily by described adjustable bolt.
In terms of existing technologies, the utlity model has following advantage:
The first, for convenience detach and install, can be carried on the existing track and test, need not pre-track, save a large amount of test time and money.
The second, carrying out field trial in the tunnel can take the tunnel out of with surveying with walking, test to dismantle at once, does not stay potential safety hazard.
Description of drawings
Fig. 1 is drop hammer the automatically structural representation of exciting bank embodiment of the utility model.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the utility model is described in further detail below in conjunction with accompanying drawing and preferred implementation.
Automatically the exciting bank that drops hammer can carry out the dropping shock test to measurands such as rail, ground.Can regulate drop hammer quality and vertical drop height according to the test needs.Because of being subjected to guide rod guide groove frictional force very little, dropping process can be similar to thinks freely falling body.In the tup bottom strong sensor is installed, can be recorded the time dependent waveform of impact force in the impact process.
With reference to Fig. 1, Fig. 1 is drop hammer the automatically structural representation of exciting bank embodiment of the utility model.This exciting bank is across on the single-sided tracks of rail, and length direction is parallel with rail.Guarantee in the test process that the length direction bottom bar is higher than the screw rod height of attachment fastener, side lever is higher than the rail top, and inboard width is greater than the width between rail or the two fastener waist.And assurance does not rebound after dropping hammer and falling, and the weight of dropping hammer and height of drop are adjustable.The about 2.29m of device height overall (disregarding bottom adjusting screw part height), the high 0.55m of sole plate, middle part column height (distance between sole plate end face and the fixed mount bottom surface, top) 1.4m, top fixed mount 0.337m.
This device is whole by forming with lower member:
Sole plate 3: be used for fixing, support whole system, bear the system total weight.The flange 15 of constraint oil buffer 14 is by being bolted on this sole plate 3.Material is a tubing, this parts design height overall 0.55m.
Adjustable bolt 1: be used to regulate whole machine balancing, guarantee to drop hammer vertical drop.
Round doily 17: effect has two, the first, is used for sharing the impact injury that the process that falls causes the cement floor that drops hammer.Sole plate 3 is less with total contact area of cement floor, can cause to a certain extent impact injury to ground in the dropping process that drops hammer, and round doily 17 can play the damage that the dropping process that reduces to drop hammer causes ground on the pad.The second, adjusting device population equilibrium.Without cease during when ground to level, can in round doily 17 holes, put the metallic gasket of some different-thickness.
Standby solid cylinder (not shown): when without oil buffer 14, can use this standby solid cylinder to replace, the impact force that obtains can be bigger, but may have rebound phenomena.
Column: column is divided into upper pillar stand 7 and lower pillar stand 5, is used to connect sole plate 3 and top fixture 9, supports the top system weight.Material is a tubing, for the ease of transportation, the length of single upright column is limited, and column adds up to 8.Fixedly connected between upper pillar stand 7 and the lower pillar stand 5 with column sleeve 6.
Column sleeve 6: connect, fix two root posts up and down, fix by screw rod.
Top fixed mount 9: be used to connect the bottom system and hang electrical equipment.
Top guide bar 10: drop hammer in the vertical direction constraint, it is vertically fallen.Top guide bar 10 tops are by being bolted on the top fixed mount 9, and the lower end is connected with lower guide rod 12.
Lower guide rod 12: drop hammer in the vertical direction constraint, it is vertically fallen.Lower guide rod is inserted on lower guide rod top, plays constraint guide rod horizontal motion, and the bottom is by being bolted on the sole plate.
Mass 4: totally 13 protonatomic mass pieces, every heavily about 14.6kg, the about 190kg of the gross weight of dropping hammer.Can regulate the weight of dropping hammer according to the test needs.Be connected by screw rod between piece and the piece.Wherein top, two balancing weights in bottom are slightly different, and this two balancing weight each side has one to protrude piece, is stuck in the stem guiding trough, are used for retraining the vertical drop of dropping hammer.And these two masses have all been opened through hole not of uniform size, and the top mass is used to place magnechuck 11, and the bottom counterweight is opened a shoulder hole.
Electrical equipment: comprise electric block 8 and magnechuck 11, be used for lifting and adsorb all masses.
Oil buffer 14: be mainly used in and prevent to drop hammer bounce-back.Oil buffer 14 lower ends are connected with tup by screw rod.Drop hammer and drop on oil buffer 14 tops.
Falsework (not shown): during the assembling balancing weight, play interim supporting role.The bottom has rubber layer, shields.
Flange 15: be fixed on the sole plate 3, at vertical direction constraint oil buffer 14.
Tup: be arranged on the tup 2, total rubber, aluminium matter, three kinds of tups of nylon can be according to test needs interchangeable tup types, and the power sensor is housed, and can record power pulse signal in the dropping process that drops hammer, and the upper end is connected with oil buffer.
Installation procedure
The general principle of installing is first main body, rear attachment.Order is as follows:
Sole plate 3: at first the adjustable bolt on the sole plate 31 is screwed on during installation, round doily 17 on the pad, then lower pillar stand 5 is inserted in the sole plate 3, insertion will put in place, and to be complementary with sole plate 3 each hole when inserting lower pillar stand 5, hole count on the principle lower pillar stand 5 of coupling is consistent with the hole count on the sole plate, the orientation unanimity.The hole count that is designated on sole plate 3 four side levers and four lower pillar stands 5 is respectively 0,1,2 and 3, four kind of difference mode.Tighten 8 standing screws on the sole plate 3 this moment.
Column sleeve 6: column sleeve 6 is installed on the lower pillar stand 5, notice that each column sleeve 6 standing screws one side all is positioned at the device outside, require during first the installation that end face is similar on same horizontal plane on four column sleeves 6, tighten column sleeve 6 lower end standing screws then.After installing for the first time, suggestion is fixed on the column sleeve on the lower pillar stand 5.No longer dismantle later on.
Electric block 8: electric block 8 is installed on the motor fixed bar of top fixed mount 9.Note direction, guarantee that the movable steel strand of electric block 8 roughly are positioned at the center of top fixed mount 9 horizontal planes.And this moment, the connector lug with electric block 8, magnechuck 11 connected with the electroplax box respectively.
Top fixed mount 9: after the installation of finishing electric block 8, top fixed mount 9 is inverted, is convenient to install four upper pillar stands 7.Four upper pillar stands 7 are inserted into respectively in the top fixed mount 9 corresponding holes, and require to put in place, the differentiation mode is identical with sole plate 3.Tighten the standing screw of side this moment.
Assembling: along putting, multi agent cooperation is lifted lower pillar stand 5 tops, and upper pillar stand 7 is inserted in the column sleeve 6 with top fixed mount 9.Attention: require this moment the difference mode in same orientation of upper and lower column identical, promptly the hole count of certain direction is identical, the orientation unanimity.Tighten the standing screw of column sleeve 6 upper ends after being in place again.
Hammer body 2: select rational tup, connect the lead of power sensor, set up the power sensor.Require power sensor convex surface towards the tup direction when noting the installing force sensor.Cover pad and tighten interior hexagonal screw rod, the tup part of screwing on again.
Oil buffer 14: after mounted hammer body 2 and oil buffer 14 fixed by screw rod, be inserted in flange 15 from oil buffer 14 tops.
Flange 15: flange 15 has four kinds of mounting meanss, and variety of way is on being decided by the height of hammering object.Flange 15 can be installed up and down, it can also be installed in the last or soffit that sole plate 3 is used for fixing the cross bar of flange 15 simultaneously, thereby four kinds of mounting meanss are arranged, but all be to fix by screw rod.
Mass 4: mass has 13, and bottom mass is followed successively by 1～13 to the numbering of top layer mass.Can select the piece number according to circumstances for use, but three of the bottom (1#), inferior top layer (12#) and top layers (13#) must usefulness, that is to say that minimum piece number is 3, and are these three.Increase before the mass, put falsework, the falsework rubber layer contacts with sole plate.At first put bottom mass, layer is put rubber pad on the endoporus thereon, adds mass No. 2, puts standing screw and tightens.Be installed to mass successively No. 12, during every installation, manually slightly all around move, make each side of each mass roughly be positioned at same plane.The 12nd standing screw is not exclusively tightened earlier, the little mass of absorption is installed on No. 12 mass, not exclusively tighten earlier the screw rod of fixing little mass this moment, attempting putting into the 13rd mass, if this moment, little mass can pass the circular hole of the 13rd mass, just the following screw rod of fixing the 12nd is tightened, pacified the 13rd again.Tighten the screw rod of fixing little mass and fix the 13rd screw rod.After the installation as shown at right.
Magnechuck 11: with head is that the perforate screw rod of flat type is screwed in magnechuck 11 screws, the lower end cross bolts of electric block 8 steel strand is passed the circular hole of perforate screw rod.Connect external power source.
Check and install
After installing, must carry out installation check.The main the following of checking: check the difference mode of each bar on the column, whether the orientation is consistent; Check whether each screw rod is all tightened and put in place; Try to transfer, can all required in inspection test procedure protonatomic mass pieces walk between guide rod; Check that can magnechuck 11 pick up whole masses, check by lifting by crane all masses.Require falsework still to be positioned on the base during examination lifting, and require highly bit by bit to increase.
Operation notice
Magnechuck 11 should not be switched on for a long time, is not lifting by crane appropriate to the occasion this power supply of closing; The mass 4 that has needed protection magnechuck 11 and adsorbed, because of magnechuck 11 and mass 4 make moist because of getting rusty, the back of getting rusty influences its suction, because of necessary these two parts of protection, in case get rusty; When operating, operating personnel or other staff still can not be too near to this device, particularly can not stretch out one's hand or other positions of health are positioned at the below of mass; During official testing, remove falsework.
In sum, above preferred embodiment has following advantage:
The first, for convenience detach and install, can be carried on the existing track and test, need not pre-track, save a large amount of test time and money.
The second, carrying out field trial in the tunnel can take the tunnel out of with surveying with walking, test to dismantle at once, does not stay potential safety hazard.
Three, adopt electromagnet adsorbate gauge block to rise to certain altitude, the free-falling of powered-down mass, the hammering rail has guaranteed the movement of falling object of mass fully, and can guarantee that the height of each test lifting is identical, controls the size of hammer force easily.
Four, mass adopts the mode that piecemeal is installed, and can control its quality by the quantity of control mass.
Five, partly be equipped with the power sensor at hammer body, can have measured the size of hammer force easily.
Six, be equipped with the hydraulic damping hammer body, can have avoided tup and rail double hit problem.
Seven, be equipped with steel, aluminium, nylon and rubber material tup, changed hammer head material according to the demand that power is composed during test.
More than a kind of exciting bank that drops hammer automatically provided by the utility model is described in detail, used specific embodiment herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, part in specific embodiments and applications all can change.In sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. the exciting bank that drops hammer automatically is characterized in that, comprises the sole plate, column, top fixed mount, electrical equipment, mass and the hammer body that removably connect; Wherein, described column is connected between described sole plate and the described top fixed mount, and described electrical equipment is connected with described top fixed mount, and described mass is adsorbable to be connected on the described electrical equipment, and described hammer body is connected on the described sole plate.
2. the exciting bank that drops hammer automatically according to claim 1, it is characterized in that, described electrical equipment comprises electric block and magnechuck, and described electric block is connected with the motor fixed bar of described top fixed mount, and described magnechuck is connected with described electric block.
3. the exciting bank that drops hammer automatically according to claim 2 is characterized in that, described mass comprises a plurality of independently protonatomic mass pieces.
4. the exciting bank that drops hammer automatically according to claim 3, it is characterized in that, also comprise flange, oil buffer, described flange is fixedly connected on described sole plate, described oil buffer is socketed on described flange with after described hammer body is fixedlyed connected by screw rod through described oil buffer top.
5. the exciting bank that drops hammer automatically according to claim 4 is characterized in that the tup of described hammer body partly is provided with strong sensor.
6. the exciting bank that drops hammer automatically according to claim 5 is characterized in that described tup comprises rubber tup, aluminium matter tup or nylon tup.
7. the exciting bank that drops hammer automatically according to claim 6 is characterized in that described column comprises upper pillar stand, column sleeve and lower pillar stand, and described upper pillar stand is connected by described column sleeve with described lower pillar stand.
8. the exciting bank that drops hammer automatically according to claim 7 is characterized in that, also is connected with top guide bar and lower guide rod between described top fixed mount and described sole plate.
9. the exciting bank that drops hammer automatically according to claim 8 is characterized in that, also comprises adjustable bolt and round doily, and described lower pillar stand bottom is connected with described round doily by described adjustable bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020196570XU CN201678922U (en) | 2010-05-17 | 2010-05-17 | Automatic drop hammer exciting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020196570XU CN201678922U (en) | 2010-05-17 | 2010-05-17 | Automatic drop hammer exciting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201678922U true CN201678922U (en) | 2010-12-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020196570XU Expired - Fee Related CN201678922U (en) | 2010-05-17 | 2010-05-17 | Automatic drop hammer exciting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201678922U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614139A (en) * | 2014-12-09 | 2015-05-13 | 北京交通大学 | Free wheel load drop vibration excitation device |
| CN105699034A (en) * | 2016-02-23 | 2016-06-22 | 同济大学 | Portable tail vertical excitation device |
| CN109506872A (en) * | 2018-09-29 | 2019-03-22 | 长安大学 | A kind of impact test apparatus and test method for pressing load function with self-balancing axis |
| CN110588713A (en) * | 2019-08-12 | 2019-12-20 | 石家庄铁道大学 | Ballastless track bed slab crack detection system and detection method |
-
2010
- 2010-05-17 CN CN201020196570XU patent/CN201678922U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614139A (en) * | 2014-12-09 | 2015-05-13 | 北京交通大学 | Free wheel load drop vibration excitation device |
| CN104614139B (en) * | 2014-12-09 | 2017-07-18 | 北京交通大学 | A kind of free wheel load drop exciting device |
| CN105699034A (en) * | 2016-02-23 | 2016-06-22 | 同济大学 | Portable tail vertical excitation device |
| CN105699034B (en) * | 2016-02-23 | 2018-07-27 | 同济大学 | A kind of vertical exciting device of portable rail |
| CN109506872A (en) * | 2018-09-29 | 2019-03-22 | 长安大学 | A kind of impact test apparatus and test method for pressing load function with self-balancing axis |
| CN110588713A (en) * | 2019-08-12 | 2019-12-20 | 石家庄铁道大学 | Ballastless track bed slab crack detection system and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120517 |