CN2366844Y - Machine for investigating external pressureof concrete pipe - Google Patents
Machine for investigating external pressureof concrete pipe Download PDFInfo
- Publication number
- CN2366844Y CN2366844Y CN 99208683 CN99208683U CN2366844Y CN 2366844 Y CN2366844 Y CN 2366844Y CN 99208683 CN99208683 CN 99208683 CN 99208683 U CN99208683 U CN 99208683U CN 2366844 Y CN2366844 Y CN 2366844Y
- Authority
- CN
- China
- Prior art keywords
- machine
- external pressure
- support
- pressure test
- cement pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a machine for testing the external pressure of a cement pipe, comprising a base, a cross beam, a support, a hydraulic system, a hydraulic cylinder, a dynamometric device and a control box. The base, the cross beam and the support are combined to be a frame structure through welding, and upper and lower pressing plates are positioned in the frame and are arranged on the support through pins. The hydraulic system is arranged in the control box body, and the outer side of the hydraulic system is connected with the hydraulic cylinder through an oil pipe. An indicating disc of the dynamometric device is positioned above the outer side of the control box body. The utility model has the advantages of simple structure, convenient operation, high precision and big adjusting range for test pieces and is an ideal machine for testing the external pressure of the concrete pipe.
Description
The utility model relates to a kind of test machines, particularly a kind of cement pipe external pressure test machine.
At present, be used for cement pipe external pressure test machine, general complex structure, operation inconvenience, and precision is lower, error is high, and the test specimen setting range is little.
The purpose of this utility model just is to overcome weak point of the prior art, provides a kind of simple in structure, easy to operate, precision height, the cement pipe external pressure test machine that the test specimen setting range is big.
The purpose of this utility model is to realize like this, it comprises: base, crossbeam, support, hydraulic system, hydraulic cylinder, device for measuring force, control box, base, crossbeam, support is dressed up a framed structure by soldering group, on, lower platen is positioned at framework, rack-mount by pin, hydraulic cylinder is installed on the lower platen, hydraulic system is by fuel tank, operation valve, hydraulic pump is formed, be installed in the operation casing, link to each other by oil pipe with hydraulic cylinder outward, device for measuring force is by the dynamometry oil cylinder, the dynamometry piston, pull bar, fork, pressing plate, push rod, pendulum, display disc is formed, and display disc is positioned at the outside top of operation casing.
The purpose of this utility model also can realize by following technical measures, be provided with the semisphere cushion block below the lower platen, the support outside is provided with a windlass, link to each other with top board by wire rope, the top of fuel tank is provided with oil strainer, support is provided with uniform open-work, and oil pipe adopts high voltage bearing high-strength rubber oil pipe.
The utlity model has following advantage compared to existing technology:
1. simple in structure, easy to operate;
2. agent structure is firm, and is safe and reliable;
3. the test specimen setting range is big, wide accommodation;
4. adopt hydraulic pressure loading formula, stable drive is reliable;
5. dynamometry adopts movable pendulum dynamometry principle, and the error of indication is no more than ± and 2%;
Accompanying drawing and drawing explanation
Fig. 1 is the utility model structural representation
Fig. 2 is the utility model hydraulic scheme
Below in conjunction with drawings and Examples in detail the utility model is described in detail, it comprises: base 1, crossbeam 5, support 4, hydraulic system, hydraulic cylinder 7, device for measuring force, control box 11, base 1, crossbeam 5, support 4 is dressed up a framed structure by soldering group, on, lower platen 6,9 are positioned at framework, be installed on the support 4 by pin 12, hydraulic cylinder 7 is installed on the lower platen 9, hydraulic system is by fuel tank 13, operation valve 24,25, hydraulic pump 15 is formed, be installed in the operation casing 11, link to each other by oil pipe 8 with hydraulic cylinder 7 outward, device for measuring force is by dynamometry oil cylinder 16, dynamometry piston 17, pull bar 18, fork 19, pressing plate 20, push rod 21, pendulum 23, display disc 22 is formed, display disc 22 is positioned at the outside top of operation casing 11, be provided with semisphere cushion block 10 below the lower platen 9, support 4 outsides are provided with a windlass 2, link to each other with top board 6 by wire rope 3, the top of fuel tank 13 is provided with oil strainer 14, and support 4 is provided with uniform open-work.Principle of work of the present utility model is, at first with windlass 2 with top board 6 suspention to lower platen 9 on the effective working distance of hydraulic cylinder 7, be fixed and leveling with pin 12 by the open-work on the support 4 then, confirm errorless back primer fluid pressing system, hydraulic pump 15 rotates under the drive of motor, by operation valve 24,25 steadily slowly rise oil cylinder 7, be controlled between 5～10mm, after extremely required working depth promptly touches top board 6, realize reacting force, touch test specimen until lower platen 9, closed control valve 24,25, adjust the zero-bit of device for measuring force simultaneously, make the pointer on the display disc 22 align scale mark.The cement pipe fitting of surveying be placed on lower platen 9 first spherical backing plates 10 below, open operation valve 24,25, hydraulic cylinder 7 continues decline compressing test specimen, when Oil pump electrical machinery rotates, friction wheel on the dynamometry piston 17 rotates simultaneously, drive on the dynamometry piston 13 and move, part hydraulic oil enters dynamometry oil cylinder 16, dynamometry piston 17 moves down under the effect of hydraulic oil simultaneously, pulling pull bar 18, fork 19, pendulum 23 turns an angle, and promotion pressing plate 20 moves, pressing plate 20 promotes push rod 21, the pen travel that push rod 21 drives on the display disc 22, thus when the cement pipe external pressure test, read certain numerical value, to realize the object of the invention.Be provided with the stability that semisphere cushion block 10 can guarantee the cement pipe fitting below the lower platen 9, support 4 outsides are provided with a windlass 2, by wire rope 3 link to each other with top board 6 handled easily and make its adjust pressure-bearing apart from the time save labour intensity, the top of fuel tank 13 is provided with the cleaning that oil strainer 14 can guarantee oil, to prolong serviceable life of the present utility model, support 4 is provided with uniform open-work, make the fixing easier of top board 6, oil pipe 8 adopts high voltage bearing high-strength rubber oil pipe to make accommodation of the present utility model wider.The utility model is simple in structure, and is easy to operate, the precision height, and the test specimen setting range is big, is a kind of desirable cement pipe external pressure test machine.
Claims (6)
1. cement pipe external pressure test machine, comprise: base, crossbeam, support, hydraulic system, hydraulic cylinder, device for measuring force, control box, it is characterized in that: base, crossbeam, support is dressed up a framed structure by soldering group, on, lower platen is positioned at framework, rack-mount by pin, hydraulic cylinder is installed on the lower platen, hydraulic system is by fuel tank, operation valve, hydraulic pump is formed, be installed in the operation casing, link to each other by oil pipe with hydraulic cylinder outward, device for measuring force is by the dynamometry oil cylinder, the dynamometry piston, pull bar, fork, pressing plate, push rod, pendulum, display disc is formed, and display disc is positioned at the outside top of operation casing.
2. according to the described cement pipe external pressure test of claim 1 machine, it is characterized in that: be provided with the semisphere cushion block below the lower platen.
3. according to the described cement pipe external pressure test of claim 1 machine, it is characterized in that: the support outside is provided with a windlass, links to each other with top board by wire rope.
4. according to the described cement pipe external pressure test of claim 1 machine, it is characterized in that: oil strainer is equipped with on the top of fuel tank.
5. according to the described cement pipe external pressure test of claim 1 machine, it is characterized in that: support is provided with uniform open-work.
6. according to the described cement pipe external pressure test of claim 1 machine, it is characterized in that: oil pipe adopts high voltage bearing high-strength rubber oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99208683 CN2366844Y (en) | 1999-04-28 | 1999-04-28 | Machine for investigating external pressureof concrete pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99208683 CN2366844Y (en) | 1999-04-28 | 1999-04-28 | Machine for investigating external pressureof concrete pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2366844Y true CN2366844Y (en) | 2000-03-01 |
Family
ID=34002401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99208683 Expired - Fee Related CN2366844Y (en) | 1999-04-28 | 1999-04-28 | Machine for investigating external pressureof concrete pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2366844Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434891C (en) * | 2005-10-31 | 2008-11-19 | 上海人造板机器厂有限公司 | Apparatus and method for testing cylinder pressure |
| CN101435756B (en) * | 2008-12-25 | 2011-07-20 | 陕西科技大学 | Device and method for detecting external pressure of heat exchange tube |
| CN104237001A (en) * | 2014-10-15 | 2014-12-24 | 安徽省方大水泥制品有限公司 | Culvert pipe pressure testing support and culvert pipe internal/external pressure testing devices based on culvert pipe pressure testing support |
| CN110595870A (en) * | 2019-09-17 | 2019-12-20 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
-
1999
- 1999-04-28 CN CN 99208683 patent/CN2366844Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100434891C (en) * | 2005-10-31 | 2008-11-19 | 上海人造板机器厂有限公司 | Apparatus and method for testing cylinder pressure |
| CN101435756B (en) * | 2008-12-25 | 2011-07-20 | 陕西科技大学 | Device and method for detecting external pressure of heat exchange tube |
| CN104237001A (en) * | 2014-10-15 | 2014-12-24 | 安徽省方大水泥制品有限公司 | Culvert pipe pressure testing support and culvert pipe internal/external pressure testing devices based on culvert pipe pressure testing support |
| CN110595870A (en) * | 2019-09-17 | 2019-12-20 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN110595870B (en) * | 2019-09-17 | 2021-09-28 | 华北水利水电大学 | Mechanical property testing equipment for rubber material |
| CN113418792A (en) * | 2021-05-24 | 2021-09-21 | 株洲时代新材料科技股份有限公司 | Oil cylinder underlying type rubber product large-load fatigue test device and test method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |