CN104865040A - Seat test machine through impact in free falling of counterweight - Google Patents
Seat test machine through impact in free falling of counterweight Download PDFInfo
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- CN104865040A CN104865040A CN201510158645.2A CN201510158645A CN104865040A CN 104865040 A CN104865040 A CN 104865040A CN 201510158645 A CN201510158645 A CN 201510158645A CN 104865040 A CN104865040 A CN 104865040A
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- clashes
- testing machine
- falling body
- freely falling
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Abstract
The invention discloses a seat test machine through impact in free falling of a counterweight. The seat test machine comprises a pedestal. A seat to be tested is arranged on the pedestal. Stand columns are arranged at the two sides of the seat on the pedestal. Slide rails are arranged on the stand columns. Slide strips slide in the slide rails. Coarse adjustment devices are arranged between the stand columns and the slide strips. A crossbeam is fixed between the two slide strips. A telescopic air rod is arranged in the middle of the crossbeam. A sucking disc is connected below the telescopic air rod. The sucking disc comprises an upper sucking disc and a lower sucking disc. The upper sucking disc is connected with the telescopic air rod, and the lower sucking disc is connected with a counterweight block. An upper support is arranged at the top part of the crossbeam. The top part of the telescopic air rod is connected with the upper support. A fine adjustment device used for adjusting height of the telescopic air rod is arranged in the upper support. The coarse adjustment devices and the fine adjustment device are utilized to adjust falling height of the counterweight together so that efficiency is high and precision is better.
Description
Technical field
The present invention relates to a kind of weight freely falling body and clash into chair testing machine.
Background technology
Some enterprises focus on the firmness of seat and so on very much when purchasing office furniture now, what relatively value is serviceable life of chair, even manufacturer all to be allowed to provide corresponding test report, survey report etc. during buying, so a lot of furniture enterprise all can through strict endurance test to the product of oneself company now, but how to allow this part test become simple, quick, and very targeted again, be a problem needing to solve.
There is very high requirement to the fastness of seat on the market now, such as antifatigue test is greater than several ten thousand times, anti-impact force is not less than how many oxen etc., this class testing has special test machine to test substantially, such as shock resistance test, all adopt weight freely falling body to clash into and simulate the free process sat on seat of people downwards, for this kind of test machine, the height of drop of weight is a very important parameter.
Summary of the invention
The technical issues that need to address of the present invention are, provide a kind of weight freely falling body to clash into chair testing machine, utilize rack and rinion adjustment and micromatic setting acting in conjunction to adjust weight descent altitude, efficiency is high, and precision is better.
Technical scheme of the present invention is: a kind of weight freely falling body clashes into chair testing machine, comprise base, seat to be tested is located on base, base is provided with column in the both sides of seat, column is provided with slide rail, slide in slide rail and have draw runner, rack and rinion adjustment is provided with between column and draw runner, crossbeam is fixed with between described two draw runners, flexible gas bar is provided with in the middle of crossbeam, sucker is connected with below flexible gas bar, sucker comprises sucker and lower sucker, upper sucker is connected with flexible gas bar, lower sucker is connected with weight block, described cross rail top is provided with upper bracket, described flexible gas masthead portion is connected with upper bracket, the micromatic setting for regulating flexible gas bar height is provided with in upper bracket.
Preferably, described micromatic setting is ball screw framework, and upper bracket is provided with trimming hand wheel, and described flexible gas bar is connected with the screw rod in ball-screw.
Preferably, described rack and rinion adjustment is gear & rack structure, and described draw runner is provided with tooth bar, and described column is provided with coarse adjustment handwheel, and coarse adjustment handwheel is connected with gear.
Preferably, described column sidewall is provided with pin-and-hole, and pin-and-hole interpolation has the latch for draw runner and column being fixed.
Preferably, described rack and rinion adjustment is hydraulic pump, and described column is provided with hydraulic pump control panel.
Preferably, described weight block is double-decker, and internal layer is derby, and skin is rubber covering.
Preferably, described weight block is sand bag.
Preferably, the horizontal slide rail that described base is provided with 2 longitudinal directions and establishes, slides in horizontal slide rail and has two fixed mounts, and after two front chair legs of described seat and two, chair pin is separately fixed on two fixed mounts.
Preferably, described fixed mount has the fixed jack of more than 2, fixed jack sidewall is provided with trip bolt, the mounting hole that fixed mount two side ends is provided with longitudinal direction and establishes, and is provided with the screw be fixed to by fixed mount on base in mounting hole.
Preferably, the fixed jack on every root fixed mount is 8, and every side is 4, and the diameter of fixed jack is respectively 6mm, 8mm, 10mm, 12mm.
After adopting the technical program, the device that two kinds regulate weight falling head is provided in this programme, be respectively rack and rinion adjustment and micromatic setting, when practical adjustments, can first adopt rack and rinion adjustment tentatively to regulate on a large scale, the stroke of adjustment be larger, etc. when being transferred to close to intended target height, micromatic setting can be adopted slowly to be adjusted to intended target height, the speed regulated can be ensured, the precision regulated can be ensured again.
Accompanying drawing explanation
Accompanying drawing 1 is the schematic three dimensional views of embodiment 1;
Accompanying drawing 2 is the front elevational schematic of embodiment 1;
Accompanying drawing 3 is the enlarged diagram at fixed mount place in accompanying drawing 1;
Accompanying drawing 4 is the schematic diagram of embodiment 2.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
As shown in Figure 1 to Figure 3, a kind of weight freely falling body clashes into chair testing machine, comprise base 1, seat 2 to be tested is located on base, base divides laying to be provided with 2 root posts 11 in the both sides of seat, column is provided with the slide rail of Vertical dimension, slide in slide rail and have draw runner, rack and rinion adjustment is provided with between column and draw runner, the stroke that rack and rinion adjustment regulates is larger, crossbeam 3 is fixed with between described two draw runners, flexible gas bar 4 is provided with in the middle of crossbeam, sucker 5 is connected with below flexible gas bar, sucker comprises sucker 51 and lower sucker 52, upper sucker energising produces strong magnetic, after power-off, magnetic disappears, on, a rope is had to connect between lower sucker, wherein go up sucker to be connected with flexible gas bar, upper sucker is with the oscilaltion of flexible gas bar, lower sucker is connected with weight block 6, when upper sucker produces magnetic, hold with sucker under general who has surrendered under flexible lower beam, then rise together, when upper sucker magnetic disappears, lower sucker declines with weight freely falling body, strike on seat, described cross rail top is provided with upper bracket 31, described flexible gas masthead portion is connected with upper bracket, the micromatic setting for regulating flexible gas bar height is provided with in upper bracket, the stroke that micromatic setting regulates is less, precision is high, after adopting the technical program, the device that two kinds regulate weight falling head is provided in this programme, be respectively rack and rinion adjustment and micromatic setting, when practical adjustments, can rack and rinion adjustment be first adopted tentatively to regulate on a large scale, the stroke regulated is larger, etc. when being transferred to close to intended target height, micromatic setting can be adopted slowly to be adjusted to intended target height, the speed regulated can be ensured, the precision regulated can be ensured again.
As preferably, described micromatic setting is ball screw framework, upper bracket is provided with trimming hand wheel 311, described flexible gas bar is connected with the screw rod in ball-screw, ball screw framework is the mechanical mechanism of comparative maturity, when rotating trimming hand wheel, drive screw turns, slide block during bolt rotary on drive screw slides up and down, slide block is connected with flexible gas bar, indirect driving is stretched the oscilaltion of gas bar, flexible gas bar self possesses Telescopic, what micromatic setting regulated is the initial position height of flexible gas bar, as preferably, described rack and rinion adjustment is gear & rack structure, described draw runner is provided with tooth bar, described column is provided with coarse adjustment handwheel 111, coarse adjustment handwheel is connected with gear, the stroke that gear & rack structure regulates is larger, structure is also comparatively simple, column sidewall described is in addition provided with pin-and-hole 112, pin-and-hole interpolation has the latch for draw runner and column being fixed, and after utilizing rack and rinion adjustment to complete preliminary adjustment, draw runner and column is fixed with latch, thus fixing horizontal depth of beam, the number of pin-and-hole has multiple.
In addition, the target of this programme test is the impulsive force durable test that weight clashes into seat, and the disposable impact test of non-test, therefore the weight block surface of clashing into can not too rigidity, not so easy seat surface to be smashed, preferably, described weight block is double-decker, internal layer is derby, and skin is rubber covering, or described weight block is sand bag.
As shown in Figure 3, conveniently seat is fixed on base, the horizontal slide rail 12 that described base is provided with 2 longitudinal directions and establishes, slide in horizontal slide rail and have two fixed mounts 7, after two front chair legs of described seat and two, chair pin is separately fixed on two fixed mounts, article two, fixed mount can move forward and backward, can regulate according to different chair foot spacing, fixed form between chair pin and fixed mount can be welded and fixed, also can be detachable fixing, scheme in Fig. 3 is detachable fixing, described fixed mount there is the fixed jack 71 of more than 2, fixed jack sidewall is provided with trip bolt 711, chair pin to insert in fixed jack and fixes with trip bolt, because different seats, the diameter of steel tube of its chair pin is also different, so in this programme, fixed jack on every root fixed mount is 8, every side is 4, the diameter of fixed jack is respectively 6mm, 8mm, 10mm, 12mm, different jacks can plug in the chair pin of different sizes, fixed mount two side ends is provided with longitudinal direction and the mounting hole 72 established in addition, the screw be fixed to by fixed mount on base is provided with in mounting hole.
As shown in Figure 4, for another kind of embodiment, be that described rack and rinion adjustment is hydraulic pump with the difference of embodiment 1, described column is provided with hydraulic pump control panel 113, regulating with hydraulic pump regulates more laborsaving compared to rack-and-pinion, utilize hydraulic pump to regulate simultaneously and also eliminate the mechanism fixing draw runner with latch, directly with the height of the pressure locking draw runner of hydraulic pump, and in the present embodiment, increased horizontal depth of beam display screen 32, when utilizing hydraulic pump to regulate, horizontal depth of beam can be presented on height display screen intuitively.
Below only just the present invention preferably example be described, but can not be interpreted as it is limitations on claims.The present invention not only limits to and above example, and its concrete structure allows to change, and those skilled in the art can make various change and distortion according to the present invention, only otherwise depart from spirit of the present invention, all should belong to the scope that claims of the present invention define.
Claims (10)
1. a weight freely falling body clashes into chair testing machine, comprise base (1), seat (2) to be tested is located on base, it is characterized in that: base is provided with column (11) in the both sides of seat, column is provided with slide rail, slide in slide rail and have draw runner, rack and rinion adjustment is provided with between column and draw runner, crossbeam (3) is fixed with between described two draw runners, flexible gas bar (4) is provided with in the middle of crossbeam, sucker (5) is connected with below flexible gas bar, sucker comprises sucker (51) and lower sucker (52), upper sucker is connected with flexible gas bar, lower sucker is connected with weight block (6), described cross rail top is provided with upper bracket (31), described flexible gas masthead portion is connected with upper bracket, the micromatic setting for regulating flexible gas bar height is provided with in upper bracket.
2. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, it is characterized in that: described micromatic setting is ball screw framework, upper bracket is provided with trimming hand wheel (311), and described flexible gas bar is connected with the screw rod in ball-screw.
3. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, it is characterized in that: described rack and rinion adjustment is gear & rack structure, described draw runner is provided with tooth bar, and described column is provided with coarse adjustment handwheel (111), and coarse adjustment handwheel is connected with gear.
4. a kind of weight freely falling body according to claim 3 clashes into chair testing machine, it is characterized in that: described column sidewall is provided with pin-and-hole (112), and pin-and-hole interpolation has the latch for draw runner and column being fixed.
5. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, and it is characterized in that: described rack and rinion adjustment is hydraulic pump, described column is provided with hydraulic pump control panel (113).
6. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, and it is characterized in that: described weight block is double-decker, internal layer is derby, and skin is rubber covering.
7. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, it is characterized in that: described weight block is sand bag.
8. a kind of weight freely falling body according to claim 1 clashes into chair testing machine, it is characterized in that: the horizontal slide rail (12) that described base is provided with 2 longitudinal directions and establishes, slide in horizontal slide rail and have two fixed mounts (7), after two front chair legs of described seat and two, chair pin is separately fixed on two fixed mounts.
9. a kind of weight freely falling body according to claim 8 clashes into chair testing machine, it is characterized in that: the fixed jack (71) described fixed mount having more than 2, fixed jack sidewall is provided with trip bolt (711), the mounting hole (72) that fixed mount two side ends is provided with longitudinal direction and establishes, is provided with the screw be fixed to by fixed mount on base in mounting hole.
10. a kind of weight freely falling body according to claim 9 clashes into chair testing machine, it is characterized in that: the fixed jack on every root fixed mount is 8, and every side is 4, and the diameter of fixed jack is respectively 6mm, 8mm, 10mm, 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158645.2A CN104865040A (en) | 2015-04-03 | 2015-04-03 | Seat test machine through impact in free falling of counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510158645.2A CN104865040A (en) | 2015-04-03 | 2015-04-03 | Seat test machine through impact in free falling of counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104865040A true CN104865040A (en) | 2015-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510158645.2A Pending CN104865040A (en) | 2015-04-03 | 2015-04-03 | Seat test machine through impact in free falling of counterweight |
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| CN (1) | CN104865040A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132020A (en) * | 2017-05-24 | 2017-09-05 | 天能电池集团有限公司 | A kind of cell jar apparatus for impact testing |
| CN110155367A (en) * | 2019-05-29 | 2019-08-23 | 南京工业职业技术学院 | A kind of aircraft main landing gear anti-impact force test device |
| CN110359942A (en) * | 2019-08-09 | 2019-10-22 | 中交一公局集团有限公司 | Mounting rack for ventilation wind belt |
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| CN201397226Y (en) * | 2009-04-03 | 2010-02-03 | 上海天祥质量技术服务有限公司 | Ratchet impact testing machine |
| CN201397229Y (en) * | 2009-05-08 | 2010-02-03 | 上海天祥质量技术服务有限公司 | Cantilever beam impact tester |
| CN202433169U (en) * | 2011-12-30 | 2012-09-12 | 广州爱奇实业有限公司 | Test device with vertical impact resistance capability for seat |
| CN104316283A (en) * | 2014-10-10 | 2015-01-28 | 上海大学 | Impact testing machine for deck chair handrail |
| CN204479260U (en) * | 2015-04-03 | 2015-07-15 | 浙江利帆家具有限公司 | A kind of weight freely falling body clashes into chair testing machine |
-
2015
- 2015-04-03 CN CN201510158645.2A patent/CN104865040A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201397226Y (en) * | 2009-04-03 | 2010-02-03 | 上海天祥质量技术服务有限公司 | Ratchet impact testing machine |
| CN201397229Y (en) * | 2009-05-08 | 2010-02-03 | 上海天祥质量技术服务有限公司 | Cantilever beam impact tester |
| CN202433169U (en) * | 2011-12-30 | 2012-09-12 | 广州爱奇实业有限公司 | Test device with vertical impact resistance capability for seat |
| CN104316283A (en) * | 2014-10-10 | 2015-01-28 | 上海大学 | Impact testing machine for deck chair handrail |
| CN204479260U (en) * | 2015-04-03 | 2015-07-15 | 浙江利帆家具有限公司 | A kind of weight freely falling body clashes into chair testing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132020A (en) * | 2017-05-24 | 2017-09-05 | 天能电池集团有限公司 | A kind of cell jar apparatus for impact testing |
| CN110155367A (en) * | 2019-05-29 | 2019-08-23 | 南京工业职业技术学院 | A kind of aircraft main landing gear anti-impact force test device |
| CN110359942A (en) * | 2019-08-09 | 2019-10-22 | 中交一公局集团有限公司 | Mounting rack for ventilation wind belt |
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Application publication date: 20150826 |