CN205538434U - Hydraulic support stand, eccentric test device of jack - Google Patents
Hydraulic support stand, eccentric test device of jack Download PDFInfo
- Publication number
- CN205538434U CN205538434U CN201620033625.2U CN201620033625U CN205538434U CN 205538434 U CN205538434 U CN 205538434U CN 201620033625 U CN201620033625 U CN 201620033625U CN 205538434 U CN205538434 U CN 205538434U
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- CN
- China
- Prior art keywords
- jack
- fixed mount
- hydraulic support
- column
- pushing tow
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- 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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Abstract
The utility model discloses a hydraulic support stand, the eccentric test device of jack, this off -centre test device includes left mount, right side mount, left side mount, it is used for placing the space of treating experimental stand or jack to form between the mount of the right side, left side mount, it holds the mounting structure of assembly to be provided with the cylinder body that is used for with stand or jack on one in the mount of the right side, it pushes away the complex top and pushes away the structure to be equipped with the tailpiece of the piston rod top that is used for stand or jack on another, mounting structure has the datum line with the axis coaxial line of stand or jack, the top pushes away the structure and has the guide face that makes the skew datum line of axis of stand or jack under the loading effect of stand or jack. Can make stand or jack at the run -off the straight of extension in -process, skew datum line by this test device, by the corresponding pressure sensor performance parameter that is measurable stand or jack under the eccentric state.
Description
Technical field
This utility model relates to hydraulic support column, jack bias assay device.
Background technology
Hydraulic support is the prerequisite support apparatus of underground work, and along with improving constantly of down-hole mechanical extracting level, the requirement to aspects such as the intensity of hydraulic support, motility, supporting safeties is more and more higher.Such as, Chinese patent CN201381864Y(authorized announcement date on January 13rd, 2010) disclose a kind of split type front and rear end hydraulic support, this hydraulic support includes that after-frame, after-frame include after-frame base and after-frame back timber, is provided with hydraulic prop between after-frame base and after-frame back timber.Side arm includes side arm back timber, is articulated as one by the set beam with extensible canopy between side arm back timber and after-frame back timber, is provided with extensible canopy jack between extensible canopy and set beam.
Column, jack to carry out correlated performance test according to national standard before dispatching from the factory, so that it is guaranteed that the quality of mine hydraulic support column, jack and the production safety in colliery.It is generally provided with special test platform, such as Chinese patent CN 104748955 A(Shen Qing Publication day 2015.07.01) disclose a kind of hydraulic support column, jack testing stand.This testing stand includes frame body, and frame body is made up of the adjustment frame of four horizontally disposed crossbeams with the left fixed mount and right-hand member that are arranged on crossbeam left end.Lower and upper cross-member is provided with multiple jack in a longitudinal direction, and convenient basis is examined crotch size in the length adjustment test bed framework of column, jack.When carrying out interior load test, by the crotch adjusted away from, left and right adjustable shelf is fixed with lower and upper cross-member by latch respectively, column to be tested or jack is positioned between the adjustable shelf of left and right, carries out interior load test.Outer load test can be carried out, it is possible to carry out interior load test, but the test being by is for column or the situation of axis direction stress by this testing stand.When hydraulic support is specifically used under ore deposit, column or jack are sometimes by eccentric load, then for the column used under the conditions of this or jack, before dispatching from the factory, also it is done eccentric pressure testing test.
Summary of the invention
The purpose of this utility model is to provide a kind of column, jack can do the hydraulic support column of eccentric pressure testing test, jack bias assay device.
In order to realize object above, this utility model hydraulic support column, the technical scheme of jack bias assay device is as follows: hydraulic support column, jack bias assay device, including left fixed mount, right fixed mount, left fixed mount, the placement space for placing column to be tested or jack is formed between right fixed mount, described left fixed mount, the mounting structure for assembling it is provided with the cylinder body end of column or jack in right fixed mount one, another is provided with the pushing tow structure of the tailpiece of the piston rod pushing tow cooperation for column or jack, described mounting structure has the datum line of the axis coaxle line with column or jack, described pushing tow structure has the guide surface of datum line described in the axis runout making column or jack under the loading effect of column or jack.
Described pushing tow structure includes two pushing tow bearing pins be arrangeding in parallel, and the axis direction of two pushing tow bearing pins is vertical with described datum line direction, and the arc surface of described pushing tow bearing pin forms described guide surface.
Described in two, pushing tow bearing pin lays respectively at the both sides of described datum line, and the distance of datum line described in the axial line distance of one of them pushing tow bearing pin is more than the distance of datum line described in the axial line distance of another pushing tow bearing pin.
Described mounting structure includes that two are installed alignment pin, and the axis installing alignment pin is vertical with described datum line.
Described hydraulic support column, jack bias assay device include the front guide post be arrangeding in parallel, rear guide post, described left fixed mount, right fixed mount are both connected on described front guide post, rear guide post, and left fixed mount, right fixed mount, front guide post, rear guide post form rectangular frame structure.
Described front guide post is provided with along the spaced front fixed structure of its axis direction, and rear guide post is provided with along the spaced rear fixed structure of its axis direction.
Described front fixed structure is formed by the front annular groove being located on front guide post, and described rear fixed structure is formed by the rear cannelure being located on rear guide post.
Described right fixed mount includes right baffle plate, the right snap ring to right baffle plate axial limiting being fastened in front cannelure or rear cannelure, and described left fixed mount includes right baffle-plate, the left snap ring to right baffle-plate axial limiting being fastened in front cannelure or rear cannelure.
Described right fixed mount also includes being sheathed on the upper right stop collar of right snap ring, and described left fixed mount also includes the left limit set being sheathed on left snap ring.
One end of the cylinder body of the beneficial effects of the utility model: at the trial, column or jack is arranged on above-mentioned mounting structure, the axis of column or jack and datum line coaxial line.Utilizing the load outwards applied of column self, one end pushing tow of the piston rod carrying out interior load test, column or jack coordinates in pushing tow structure.Column or jack continue to stretch out, the head of the circular arc of its piston rod is under the guiding of the guide surface of pushing tow structure, the axis of run-off the straight, column or jack is gradually deviated from datum line, can record column or the jack performance parameter under eccentric state by corresponding pressure transducer.
Accompanying drawing explanation
Fig. 1 is this utility model hydraulic support column, the structural representation of jack bias assay device；
Fig. 2 is the A-A sectional view of Fig. 1；
Fig. 3 is the partial enlarged drawing in Fig. 1.
Detailed description of the invention
This utility model hydraulic support column, the embodiment of jack bias assay device: as Figure 1-3, hydraulic support column, jack bias assay device, including left fixed mount, right fixed mount, left fixed mount, the placement space for placing column to be tested or jack is formed between right fixed mount, left fixed mount, the mounting structure for assembling it is provided with the cylinder body end of column or jack in right fixed mount one, another is provided with the pushing tow structure of the tailpiece of the piston rod pushing tow cooperation for column or jack, mounting structure has the datum line of the axis coaxle line with column or jack, pushing tow structure has the guide surface of the axis runout datum line making column or jack under the loading effect of column or jack.
Specifically, pushing tow structure includes two pushing tow bearing pins 10 be arrangeding in parallel, and the axis direction of two pushing tow bearing pins 10 is vertical with datum line direction, and the arc surface of pushing tow bearing pin forms above-mentioned guide surface.Pushing tow bearing pin 10 lays respectively at the both sides of datum line, and the distance of datum line described in the axial line distance of one of them pushing tow bearing pin is more than the distance of the axial line distance datum line of another pushing tow bearing pin.Mounting structure includes that two are installed alignment pin 8, and the axis installing alignment pin 8 is vertical with datum line.At the trial, column or jack being positioned between two fixed mounts, in the present embodiment, as a example by column 4, one end (right-hand member) of the cylinder body of column 4 is arranged on above-mentioned mounting structure, the axis of column 4 and datum line coaxial line.Utilizing the load outwards applied of column self, carry out interior load test, one end (left end) pushing tow of the piston rod of column coordinates between two pushing tow bearing pins of pushing tow structure.When starting to test, column 4 continues to stretch out, the head of the circular arc of its piston rod under the guiding of the circular arc guide surface of pushing tow bearing pin, run-off the straight, the axis of column is gradually deviated from datum line, can record column performance parameter under eccentric state by corresponding pressure transducer.
Hydraulic support column, jack bias assay device include front guide post 9, the rear guide post 3 be arrangeding in parallel, left fixed mount, right fixed mount are both connected on front guide post 9, rear guide post 3, and left fixed mount, right fixed mount, front guide post, rear guide post form rectangular frame structure.Front guide post 9 is provided with along the spaced front fixed structure of its axis direction, and rear guide post 3 is provided with along the spaced rear fixed structure of its axis direction.Front fixed structure is formed by the front cannelure 11 being located on front guide post 9, and rear fixed structure is formed by the rear cannelure 2 being located on rear guide post 3.Right fixed mount includes right baffle plate 5, the right snap ring 6 to right baffle plate axial limiting being fastened in front cannelure or rear cannelure, is sheathed on the upper right stop collar of right snap ring 7, and left fixed mount includes right baffle-plate 1, the left snap ring to right baffle-plate 1 axial limiting being fastened in front cannelure or rear cannelure, the left limit set that is sheathed on left snap ring.
Time specifically used, length according to column to be tested, right baffle-plate is arranged on corresponding front guide post, rear guide post position, left snap ring is utilized to be stuck in front cannelure and rear cannelure, left snap ring is semi-ring, former and later two left snap rings are corresponding in the position of fore-and-aft direction, carry out spacing by left snap ring to right baffle-plate.In the present embodiment, left and right Snap ring structure is identical, and left and right stop collar is the most identical.By arranging left limit set, prevent left snap ring from dropping.In the present embodiment, by arranging the spaced apart front cannelure in left and right, rear cannelure, the distance between right baffle-plate and right baffle plate is made to can adapt to the column of different length.In other embodiments, forward and backward guide post also can be replaced by forward and backward crossbeam or back and front supporting plate, test for meeting the column that can adapt to different length, it is possible to one group of pin-and-hole is set in guide post, crossbeam or gripper shoe, utilize pin fixing connection right baffle-plate and right baffle plate.
Further, for ease of changing the position of left baffle, left baffle is equipped with lifting ring 12.
In other embodiments, pushing tow structure can be formed by a pushing tow bearing pin, and mounting structure is also similar to, it may include installs alignment pin for one.Pushing tow structure also can be formed by two lobe being arranged on right baffle-plate, and two lobe intervals are arranged, and lobe has the arcuate guide surface of the arc surface being equivalent to pushing tow bearing pin.Or arranging a hemisphere face groove on right baffle-plate, the center deviation datum line of hemisphere face groove, the inner face of hemisphere face groove forms guide surface.Mounting structure the most similarly, can be set to the form of mounting groove, and only, the center at the place of mounting groove is on datum line.
Claims (9)
1. hydraulic support column, jack bias assay device, including left fixed mount, right fixed mount, left fixed mount, the placement space for placing column to be tested or jack is formed between right fixed mount, it is characterized in that: described left fixed mount, the mounting structure for assembling it is provided with the cylinder body end of column or jack in right fixed mount one, another is provided with the pushing tow structure of the tailpiece of the piston rod pushing tow cooperation for column or jack, described mounting structure has the datum line of the axis coaxle line with column or jack, described pushing tow structure has the guide surface of datum line described in the axis runout making column or jack under the loading effect of column or jack.
Hydraulic support column the most according to claim 1, jack bias assay device, it is characterized in that: described pushing tow structure includes two pushing tow bearing pins be arrangeding in parallel, the axis direction of two pushing tow bearing pins is vertical with described datum line direction, and the arc surface of described pushing tow bearing pin forms described guide surface.
Hydraulic support column the most according to claim 2, jack bias assay device, it is characterized in that: described in two, pushing tow bearing pin lays respectively at the both sides of described datum line, the distance of datum line described in the axial line distance of one of them pushing tow bearing pin is more than the distance of datum line described in the axial line distance of another pushing tow bearing pin.
Hydraulic support column the most according to claim 1, jack bias assay device, it is characterised in that: described mounting structure includes that two are installed alignment pin, and the axis installing alignment pin is vertical with described datum line.
Hydraulic support column the most according to claim 1, jack bias assay device, it is characterized in that: described hydraulic support column, jack bias assay device include the front guide post be arrangeding in parallel, rear guide post, described left fixed mount, right fixed mount are both connected on described front guide post, rear guide post, and left fixed mount, right fixed mount, front guide post, rear guide post form rectangular frame structure.
Hydraulic support column the most according to claim 5, jack bias assay device, it is characterized in that: described front guide post is provided with along the spaced front fixed structure of its axis direction, and rear guide post is provided with along the spaced rear fixed structure of its axis direction.
Hydraulic support column the most according to claim 6, jack bias assay device, it is characterised in that: described front fixed structure is formed by the front annular groove being located on front guide post, and described rear fixed structure is formed by the rear cannelure being located on rear guide post.
Hydraulic support column the most according to claim 7, jack bias assay device, it is characterized in that: described right fixed mount includes right baffle plate, the right snap ring to right baffle plate axial limiting being fastened in front cannelure or rear cannelure, described left fixed mount includes right baffle-plate, the left snap ring to right baffle-plate axial limiting being fastened in front cannelure or rear cannelure.
Hydraulic support column the most according to claim 8, jack bias assay device, it is characterised in that: described right fixed mount also includes being sheathed on the upper right stop collar of right snap ring, and described left fixed mount also includes the left limit set being sheathed on left snap ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033625.2U CN205538434U (en) | 2016-01-14 | 2016-01-14 | Hydraulic support stand, eccentric test device of jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620033625.2U CN205538434U (en) | 2016-01-14 | 2016-01-14 | Hydraulic support stand, eccentric test device of jack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205538434U true CN205538434U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620033625.2U Expired - Fee Related CN205538434U (en) | 2016-01-14 | 2016-01-14 | Hydraulic support stand, eccentric test device of jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205538434U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580269A (en) * | 2018-12-27 | 2019-04-05 | 杭州恒宏机械有限公司 | Horizontal jack test device |
| CN109596374A (en) * | 2018-12-27 | 2019-04-09 | 杭州恒宏机械有限公司 | A kind of jack hydraulic test device |
-
2016
- 2016-01-14 CN CN201620033625.2U patent/CN205538434U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109580269A (en) * | 2018-12-27 | 2019-04-05 | 杭州恒宏机械有限公司 | Horizontal jack test device |
| CN109596374A (en) * | 2018-12-27 | 2019-04-09 | 杭州恒宏机械有限公司 | A kind of jack hydraulic test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170114 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |