CN201425552Y - Jack dynamic load testboard with stop device - Google Patents
Jack dynamic load testboard with stop device Download PDFInfo
- Publication number
- CN201425552Y CN201425552Y CN2009203036014U CN200920303601U CN201425552Y CN 201425552 Y CN201425552 Y CN 201425552Y CN 2009203036014 U CN2009203036014 U CN 2009203036014U CN 200920303601 U CN200920303601 U CN 200920303601U CN 201425552 Y CN201425552 Y CN 201425552Y
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- dynamic load
- lifting jack
- stopper
- piston
- voltage equipment
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Abstract
The utility model relates to a pressure testing device, especially a jack dynamic load testboard with a stop device, which mainly solves the problems in prior art that the jack dynamic load testboarddoes not have the stop self-stopping gear or the advanced digital display data intelligent electronic system and can not accurately and dynamically observe the pressure circumstance in stroke sections. The pressure testing device comprises a lower bottom board and an upper top board; an upright column is connected between the lower bottom board and the upper top board; a superhigh pressure oil cylinder is connected on the upper top board; an internal cavity of the superhigh pressure oil cylinder is communicated with a superhigh pressure oil pump through a lifting intake pipe and a descending intake pipe; a piston is arranged in the inner part of the superhigh pressure oil cylinder; a jacking block is connected on the lower end of the piston; a limiting block is connected on the lower end of the piston; a plurality of stroke switches which can be shifted by the limiting block is connected on the upright column; a connecting rod connected with a rocker of the jack is disposed under the jacking block; the connecting rod is connected on an eccentric wheel which is jointed with a decelerator; and the stroke switch is connected with the decelerator through lines.
Description
Technical field
The utility model relates to a kind of pressure test device, especially relates to a kind of to the isostructural improvement of lifting jack dynamic load test board with stopper.
Background technology
The dynamic load test board is a kind of jack pressure measurement mechanism that relates to, and especially in the large-tonnage pressure test, high precision is arranged, and the characteristics of low labour intensity can dynamic observe the pressure condition in each trip segment of lifting jack.Chinese patent discloses the omnipotent test board of a kind of lifting jack (Granted publication number: CN 2497302Y), it has a vertical frame portable beam that slides in the groove of the column of testing jig, on the base of column bottom, be fixed with one transformed very heavy, on the frame fixed beam at column top, be adsorbed with one or several are transportable, stick the magnet base of dial gauge.There is the hole of 2.5 centimetres of diameters at the center of the following horizontal stroke of portable beam; On frame fixed beam and frame portable beam, rotational symmetry is being fixed a pair of upper and lower jaw respectively; On two root posts with fixed beam at a distance of 3 centimeters places, all be fixed with the carriage of a level; Transform to increase for very heavy a tensimeter is arranged; Testing jig is all formed through the built-up welding of hot melt groove by channel-section steel, hole of the centre drill of the pressure-release valve of former lifting jack, this hole with take blame for others and threeway directly is communicated with, in addition two ports of threeway connect tensimeter and pipe valve respectively, and the pipe valve other end inserts the oil groove pouring orifice.But this test board does not have spacing from deadman control, does not possess advanced digital display data intelligence electronic system, can not accurately dynamic observe the pressure condition of its each trip segment, and very big limitation is arranged.
The utility model content
The utility model technical issues that need to address provide a kind of lifting jack dynamic load test board with stopper; it mainly is to solve existing in prior technology not have spacing from deadman control; do not possess advanced digital display data intelligence electronic system; can not accurately dynamic observe the pressure condition of its each trip segment, the very technical matters of big limitation etc. is arranged.
Above-mentioned technical matters of the present utility model is mainly solved by following technical proposals:
Lifting jack dynamic load test board with stopper of the present utility model, comprise lower shoe and upper plate, be connected with column between lower shoe and the upper plate, it is characterized in that being connected with ultrahigh pressure cylinder on the described upper plate, the ultrahigh pressure cylinder internal cavities is by the rising oil inlet pipe, the decline oil inlet pipe is communicated with superpressure oil pump, the super high pressure oil cylinder interior is provided with piston, the piston lower end is connected with can be by the jacking block of jack stand, the piston lower end is connected with limited block, be connected with on the column some can the limited travel switch of stirring, the below of jacking block is provided with the connecting rod that can shake the hand and be connected with lifting jack, connecting rod is connected on the eccentric wheel, the eccentric wheel connection reducer, travel switch is connected with speed reduction unit by circuit.Lower shoe can be fixed together with ground.The super high pressure oil cylinder interior can feed pressure oil from superpressure oil pump.Jacking block can match with the top cover at lifting jack to be tested top, when lifting jack rises, can head on jacking block and move upward, thereby make the piston in the ultrahigh pressure cylinder move upward.During the speed reduction unit running, connecting rod can drive shaking the hand on the lifting jack and be rotated, thereby makes lifting jack rise; when piston ran to certain distance, limited block can be stirred travel switch, and travel switch promptly sends signal; by circuit, make and handle the speed reduction unit shutdown that lifting jack rises then.
As preferably, the cavity of described super high pressure oil cylinder interior is communicated with the dynamic load constant-voltage equipment, and the dynamic load constant-voltage equipment is connected with superpressure oil pump by run-down pipe.When the pressure of ultrahigh pressure cylinder changed, the dynamic load constant-voltage equipment promptly can detect pressure, and it can regulate pressure in the ultrahigh pressure cylinder automatically by run-down pipe, reached the effect of voltage stabilizing.
As preferably, described dynamic load constant-voltage equipment is connected with tensimeter, can read the pressure size of lifting jack roughly.
As preferably, be connected with digital load measurement instrument on the described upper plate, digital load measurement instrument is communicated with the dynamic load constant-voltage equipment by circuit, reaction pressure size comparatively accurately, and show more clearly.
As preferably, described rising oil inlet pipe, decline oil inlet pipe, run-down pipe all flexibly connect by connecing soon with ultrahigh pressure cylinder, dynamic load constant-voltage equipment, and the bottom of superpressure oil pump is connected with roller, is convenient to loading and unloading like this.
As preferably, described column is two.When test board need detect the lifting jack of big pressure, column also can increase to four, thereby increased stability.
Therefore; the utlity model has and adopting electrodynamic type hydraulic pressure is power; make the scalable stable-pressure device on its basis by oneself; it is basic drive mechanism that mechanical reducer transfer motion power crank connecting link is adopted in operation, substitutes former craft and borrows the power lever apparatus, has increased digital type display device; substitute the approximate observation of former ordinarily manometer; characteristics such as cylinder body and column are other to have added spacing automatic stop organizational security protecting system, has improved the pressure testing security, simple and reasonable for structure.
Description of drawings
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is that the A of Fig. 1 is to structural representation.
Parts, position and numbering among the figure: lower shoe 1, upper plate 2, column 3, ultrahigh pressure cylinder 4, rising oil inlet pipe 5, decline oil inlet pipe 6, superpressure oil pump 7, jacking block 8, limited block 9, travel switch 10, connecting rod 11, eccentric wheel 12, speed reduction unit 13, dynamic load constant-voltage equipment 14, run-down pipe 15, tensimeter 16, digital load measurement instrument 17, connect 18 soon, roller 19, lifting jack 20.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: the lifting jack dynamic load test board with stopper of this example, as Fig. 1, Fig. 2, the lower shoe 1 and upper plate 2 of rectangle arranged, be connected with two columns 3 between lower shoe and the upper plate.Upper plate 2 bottoms are connected with ultrahigh pressure cylinder 4, and the cavity of super high pressure oil cylinder interior is communicated with superpressure oil pump 7 by rising oil inlet pipe 5, decline oil inlet pipe 6 respectively.Be connected with dynamic load constant-voltage equipment 14 on the ultrahigh pressure cylinder, the dynamic load constant-voltage equipment is communicated with superpressure oil pump 7 by run-down pipe 15, and also is connected with tensimeter 16 on the dynamic load constant-voltage equipment.The bottom of superpressure oil pump 7 is connected with roller 19, and rising oil inlet pipe 5, decline oil inlet pipe 6, run-down pipe 15 all flexibly connect with ultrahigh pressure cylinder 4, dynamic load constant-voltage equipment 14 by connecing 18 soon.The inside of ultrahigh pressure cylinder 4 is provided with piston, and the piston lower end is connected with and can also be connected with limited block 9 on the piston by the jacking block 8 of jack stand, and being connected with two on the column 3 can limited 9 travel switch of stirring 10.Travel switch 10 is connected with speed reduction unit 13 by circuit, is connected with eccentric wheel 12 on the speed reduction unit, and eccentric wheel is connected with connecting rod 11, and the connecting rod other end stretches into jacking block 8 belows and is connected with shaking the hand of lifting jack to be tested.Be connected with digital load measurement instrument 17 on the upper plate 2, digital load measurement instrument is communicated with dynamic load constant-voltage equipment 14 by circuit.
During use, lifting jack to be tested 20 is put into jacking block 8 belows, start lifting jack, the top cover of lifting jack promptly heads on jacking block 8 and moves upward, and the pressure of ultrahigh pressure cylinder 4 can be read by tensimeter 16, digital load measurement instrument 17.Dynamic load constant-voltage equipment 14 can be discharged to unnecessary pressure oil in the superpressure oil pump 7 by run-down pipe 15, plays the effect of voltage stabilizing.When lifting jack rises to certain distance, limited block 9 can touch travel switch 10, and travel switch sends signal to speed reduction unit 13, and speed reduction unit 13 promptly shuts down, and lifting jack 20 stops to rise immediately.
Claims (6)
1. lifting jack dynamic load test board with stopper, comprise lower shoe (1) and upper plate (2), be connected with column (3) between lower shoe and the upper plate, it is characterized in that being connected with on the described upper plate (2) ultrahigh pressure cylinder (4), ultrahigh pressure cylinder (4) internal cavities is by rising oil inlet pipe (5), decline oil inlet pipe (6) is communicated with superpressure oil pump (7), ultrahigh pressure cylinder (4) inside is provided with piston, the piston lower end is connected with can be by the jacking block of jack stand (8), the piston lower end is connected with limited block (9), be connected with some travel switches of can limited (9) stirring (10) on the column (3), the below of jacking block (8) is provided with the connecting rod (11) that can shake the hand and be connected with lifting jack, connecting rod is connected on the eccentric wheel (12), eccentric wheel connection reducer (13), travel switch (10) is connected with speed reduction unit (13) by circuit.
2. lifting jack dynamic load test board with stopper according to claim 1, it is characterized in that the inner cavity of described ultrahigh pressure cylinder (4) is communicated with dynamic load constant-voltage equipment (14), the dynamic load constant-voltage equipment is connected with superpressure oil pump (7) by run-down pipe (15).
3. lifting jack dynamic load test board with stopper according to claim 2 is characterized in that described dynamic load constant-voltage equipment (14) is connected with tensimeter (16).
4. according to claim 2 or 3 described lifting jack dynamic load test boards with stopper, it is characterized in that being connected with on the described upper plate (2) digital load measurement instrument (17), digital load measurement instrument is communicated with dynamic load constant-voltage equipment (14) by circuit.
5. according to claim 1 or 2 or 3 described lifting jack dynamic load test boards with stopper, it is characterized in that described rising oil inlet pipe (5), decline oil inlet pipe (6), run-down pipe (15) all flexibly connect with ultrahigh pressure cylinder (4), dynamic load constant-voltage equipment (14) by connecing (18) soon, the bottom of superpressure oil pump (7) is connected with roller (19).
6. according to claim 1 or 2 or 3 described lifting jack dynamic load test boards with stopper, it is characterized in that described column (3) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203036014U CN201425552Y (en) | 2009-05-26 | 2009-05-26 | Jack dynamic load testboard with stop device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203036014U CN201425552Y (en) | 2009-05-26 | 2009-05-26 | Jack dynamic load testboard with stop device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201425552Y true CN201425552Y (en) | 2010-03-17 |
Family
ID=42025003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203036014U Expired - Fee Related CN201425552Y (en) | 2009-05-26 | 2009-05-26 | Jack dynamic load testboard with stop device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201425552Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507237A (en) * | 2011-10-16 | 2012-06-20 | 李强 | Multifunctional jack pressure testing machine |
| CN102829989A (en) * | 2012-08-27 | 2012-12-19 | 常熟通润汽车零部件股份有限公司 | Hydraulic jack testing device |
| CN103439128A (en) * | 2013-07-29 | 2013-12-11 | 浙江省机电设计研究院有限公司 | Multifunctional intelligent oil jack test machine |
| CN105319081A (en) * | 2015-04-27 | 2016-02-10 | 洛阳辰祥机械科技有限公司 | Detection device of jack |
-
2009
- 2009-05-26 CN CN2009203036014U patent/CN201425552Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102507237A (en) * | 2011-10-16 | 2012-06-20 | 李强 | Multifunctional jack pressure testing machine |
| CN102507237B (en) * | 2011-10-16 | 2014-09-03 | 李强 | Multifunctional jack pressure testing machine |
| CN102829989A (en) * | 2012-08-27 | 2012-12-19 | 常熟通润汽车零部件股份有限公司 | Hydraulic jack testing device |
| CN103439128A (en) * | 2013-07-29 | 2013-12-11 | 浙江省机电设计研究院有限公司 | Multifunctional intelligent oil jack test machine |
| CN105319081A (en) * | 2015-04-27 | 2016-02-10 | 洛阳辰祥机械科技有限公司 | Detection device of jack |
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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: 20100317 Termination date: 20130526 |