CN208206627U - Detachable movable pressure break test piece mould - Google Patents
Detachable movable pressure break test piece mould Download PDFInfo
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- CN208206627U CN208206627U CN201820625339.4U CN201820625339U CN208206627U CN 208206627 U CN208206627 U CN 208206627U CN 201820625339 U CN201820625339 U CN 201820625339U CN 208206627 U CN208206627 U CN 208206627U
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Abstract
Detachable movable pressure break test piece mould, including bottom plate, coaming plate and back-up roller wheel, bottom base plate four corners offer a square groove respectively, the four corners of plate upper surface offer threaded hole, connector includes the connecting rod being arranged in vertical, the lower end of connecting rod is threaded in the threaded hole of plate upper surface, back-up roller wheel is arranged in square groove by foldable assembly, coaming plate includes front side board, left plate, back side panel and right side plate, front side board, left plate, back side panel and right side plate are encircled into rectangular cylinder structure, connecting rod is located at rectangular cylinder structure four corners, positioning component is additionally provided between front side board right edge and right side plate front side edge；In conclusion the utility model structure is simple, design rationally, can efficiently manufacture hydraulic fracturing test specimen.
Description
Technical field
The utility model belongs to hydraulic fracturing technology field, and in particular to detachable movable pressure break test piece mould.
Background technique
In hydraulic fracturing simulated experiment design, the selection of test specimen used by testing is a particularly significant problem, by
In the formation rock that the construction object of hydraulic fracturing is a few km depths located underground, therefore, practical core obtains difficult and takes
With sufficiently expensive, and many times it is limited to drilling technology, the core of taking-up is dimensionally less than normal, and is difficult to meet pressure in size
Requirement of experiment is split, therefore, artificial specimen just becomes a more satisfactory selection, and artificial specimen generally passes through engineering mold system
It makes, but engineering mold common at present is non-dismountable, demoulding is difficult, moreover, the place to mold added material is generally not applicable
With the place for being used to do material solidification, many molds can not all be moved, and these problems undoubtedly cause many to our experiment
Difficulty, to needing the R&D institution for carrying out hydraulic fracturing experiments and production unit to bring many inconvenience.
Utility model content
The utility model provides a kind of structure and is simple and convenient to operate to solve shortcoming in the prior art, can be fast
The detachable movable pressure break test piece mould of speed demoulding.
In order to solve the above technical problems, the utility model adopts the following technical solution: detachable movable pressure break test specimen mould
Tool, including bottom plate, coaming plate, connector and back-up roller wheel, floor level setting, bottom base plate four corners offer a side respectively
Shape slot, the four corners of plate upper surface offer threaded hole, and connector includes four connecting rods being arranged in vertical,
The lower end of every connecting rod is threaded in the threaded hole of plate upper surface, and coaming plate is arranged on bottom plate and is located at four
On the outside of connecting rod, the rectangular fluid chamber of open top is formed between coaming plate and bottom plate；
Back-up roller wheel by foldable assembly be arranged in square groove, the structure of two hand foldable components of front side it is identical and
Symmetrically, two hand foldable modular constructions of rear side it is identical and bilateral symmetry, two hand foldable components of front side with after
It is symmetrical one by one before and after two hand foldable components of side；
A hand foldable component positioned at left part on front side of bottom plate includes connecting shaft, round ring flat-plate and spring, bottom plate front side
The front side wall and rear wall of square groove on the left of wall offer through-hole and blind hole along anterior-posterior horizontal direction respectively, through-hole and blind hole
Center line is overlapped, and in axial direction offers the first keyway and the second keyway on the hole wall of through-hole, the first keyway is located at through-hole
Bottom, the second keyway are located at the right part of through-hole, and the angle of the plane where plane and the second keyway where the first keyway is
90°；
Connecting shaft is plugged in through-hole and blind hole along anterior-posterior horizontal, and the front end of connecting shaft is equipped with flat key, the flat key sliding
Cooperation is in the second keyway, and the coaxial rear portion for being fixedly connected on connecting shaft of round ring flat-plate, spring is set in connecting shaft and position
On rear side of round ring flat-plate；Back-up roller wheel is arranged in the middle part of connecting shaft by mounting rack and back-up roller wheel and flat key are located at same put down
Face, the front side in through-hole are equipped with plug, and the front side in the first keyway and the second keyway is equipped with a sprue, sprue and plug
Front end is flushed with bottom plate front side wall, and sprue rear end is located at the rear side of plug rear end, both ends of the spring respectively with square groove rear wall
With press cooperation on rear side of round ring flat-plate, under the action of the spring, flat key front end is contacted with the press of sprue rear end.
Coaming plate includes front side board, left plate, back side panel and right side plate, and the left side of front side board and the front side edge of left plate are logical
Cross that the first hinge is hinged, the back side edge of left plate and the left side of back side panel are hinged by the second hinge, the right edge of back side panel
Hinged by third hinge with the back side edge of right side plate, front side board, left plate, back side panel and right side plate are encircled into transparent
Rectangular cylinder structure, rectangular cylinder structure setting in plate upper surface, four connecting rods be located on the inside of rectangular cylinder structure and with
The contact of rectangular cylinder structure, is equipped with positioning component between front side board right edge and right side plate front side edge.
Positioning component includes extemal plate and several bolts, and extemal plate is fixed on the right side front surface of front side board and to the right
It is extended, the right side opening of extemal plate is equipped with several mounting holes, and several mounting hole settings side by side up and down, each mounting hole is edge
The long hole of horizontal direction, if bolt stem is fixed on front side of right side plate, if the front end of bolt stem, which respectively corresponds, is plugged in several installations
The nut for compressing extemal plate is threaded in hole, on bolt.
The upper end of connecting rod is equipped with spanner bayonet arrangement.
By adopting the above technical scheme, the production, assembling and application method of detachable movable pressure break test piece mould, including with
Lower step:
(1) coaming plate is made, casting is reserved, and there are four the bottom plate of square groove and the stationary positioned components on coaming plate；
(2) bottom plate is processed；
(3) back-up roller wheel and hand foldable component are installed,
(4) connecting rod and coaming plate are installed on bottom plate；
(5) hydraulic fracturing test specimen is made.
The detailed process of stationary positioned component on coaming plate and coaming plate is made in step (1) are as follows: process same side length is in just
Rectangular front side board, left plate, back side panel and right side plate, processes one piece of extemal plate in rectangle, and the length of extemal plate is less than
Equal to the side length of front side board, the mounting hole of several settings side by side up and down is opened up on the right side of extemal plate, each mounting hole is along water
Square to long hole, by the front side edge of the left side of front side board and left plate by the first hinge it is hinged, the back side edge of left plate
Hinged by the second hinge with the left side of back side panel, the right edge of back side panel and the back side edge of right side plate are cut with scissors by third hinge
It connects, the left side rear surface of extemal plate is then welded on front surface on the right side of front side board, if bolt stem is welded along anterior-posterior horizontal direction
It connects in the front side of right side plate, bolt is arranged in a one-to-one correspondence in height with mounting hole.
The detailed process of processing bottom plate in step (2) are as follows: due to being located at two through-holes and two blind holes on front side of bottom plate
It is symmetrical set respectively, and positioned at two through-holes of floor rear and two blind holes and two through-holes on front side of bottom plate
And two blind holes are symmetrical one by one, the first keyway and the second keyway on each through-hole are also arranged in the manner described above, here, only
The through-hole, the first keyway and the second keyway processing method that are located at left part on front side of bottom plate are described, it is other no longer to repeat one by one,
Positioned at through-hole, blind hole, the first keyway and the second keyway processing method of left part on front side of bottom plate are as follows: left part bores first on front side of bottom plate
One is taken through the through-hole for being located at left part square groove on front side of bottom plate, after the completion of through-hole drills through, is drilled through on square groove rear wall blind
Hole, blind hole are coaxially set with through-hole, open up the first keyway and the second keyway in the axial direction respectively on the hole wall of through-hole, the
One keyway is located at via bottoms, and the second keyway is located at through-hole right part, and the angle of the first keyway and the second keyway is 90 °, and keyway is opened
If after the completion, drilling through four threaded holes in the four corners of plate upper surface.
The detailed process of installation back-up roller wheel and hand foldable component in step (3) are as follows: two due to front side are rolled over manually
The structure of stacked group part it is identical and bilateral symmetry, two hand foldable modular constructions of rear side it is identical and bilateral symmetry, the two of front side
It is symmetrical one by one before and after two hand foldable components of a hand foldable component and rear side, here, only to positioned at left part on front side of bottom plate
Hand foldable component and its back-up roller wheel mounting means described, it is other no longer to repeat one by one, be located at bottom plate on front side of left part
Hand foldable component mounting means are as follows: flat key is welded on connecting shaft front outsides first, connecting shaft is plugged into carry the bottom of in
It in through-hole on plate leading flank, is slidably fitted in flat key in the first keyway, is then placed into round ring flat-plate and spring horizontal
It in square groove, is sequentially sleeved in connecting shaft from the rear end of connecting shaft, selects suitable position that round ring flat-plate is welded on connection
On axis, after round ring flat-plate is fixed, continue to plug connecting shaft into blind hole, connecting shaft is installed；Then mounting rack is welded
In connecting shaft bottom and back-up roller wheel is mounted on mounting rack, after back-up roller wheel is installed, before plug is fixed on through-hole
End for blocking through-hole, by the front end that two sprues are separately fixed at the first keyway and the second keyway be used to block the first keyway and
Second keyway；
Detailed process on bottom plate is installed in step (4) and by connecting rod and coaming plate are as follows: connecting rod is threaded in bottom
In the threaded hole of plate upper surface four corners, then the leading flank of the rear surface of front side board, the right surface of left plate, back side panel with
And the left side of right side plate applies to spread and prevents material from gluing glutinous oily material, then front side board, left plate, back side panel and the right side
Side plate againsts four connecting rods and is encircled into transparent rectangular cylinder structure, and four connecting shafts are located at rectangular cylinder structure quadrangle
Bolt on right side plate is then passed through the mounting hole and being screwed on bolt with nut in extemal plate and compresses extemal plate by place.
The detailed process of step (5) production hydraulic fracturing test specimen are as follows: this mold is pushed to by the material for test being stirred
Side takes in back-up roller wheel in square groove, this mold is placed on shaking device, the material of production test specimen pour into coaming plate and
In the chamber of bottom plate composition, opens shaking device and the indoor material of chamber is shaken, shaking device is closed after ram-jolt, open branch
Idler wheel is supportted, mold and test specimen are moved to test specimen and place room, test specimen is handled after a week in room temperature condensation, moisturizing, demoulded；
The detailed process of demoulding are as follows: nut is backed out first, front side board, left plate, back side panel and right side plate are all beaten
It opens, then blocks spanner bayonet arrangement using spanner, four connecting rods are backed out from threaded hole respectively, when connecting rod is backed out
After, hydraulic fracturing test specimen can be removed easily, and the demoulding of the test specimen of hydraulic fracturing is completed.
Since the structure of two hand foldable components of front side is identical and bilateral symmetry, two hand foldable components of rear side
Structure is identical and bilateral symmetry, two hand foldable components of front side and two hand foldable components front and backs one of rear side are a pair of
Claim, here, only the back-up roller wheel for being located at left part on front side of bottom plate is taken in the mode in square groove and is described, it is other no longer one by one
It repeats, back-up roller wheel is taken in the detailed process in square groove are as follows: first being lifted up on front side of the bottom plate of the present apparatus, hold branch
Idler wheel is supportted, the connecting shaft for being located at left part on front side of bottom plate is pulled back, the bullet between round ring flat-plate and square groove rear wall
Spring is squeezed, and flat key is moved back to the first keyway is detached from, and then rotates connecting shaft and back-up roller wheel, and flat key is made to be directed at the second key
Slot slowly unclamps back-up roller wheel, and under the action of the spring, flat key is inserted into the first keyway, and so far, back-up roller wheel, which is folded, puts
Enter in square groove.
The utility model has the following beneficial effects: when using the utility model manufacture hydraulic fracturing test piece mould, it can
The cube structure that bottom plate and front side board, left plate, back side panel and right side plate form is poured into so that material used in mold will be manufactured
In, easy to operate, connecting rod passes through threaded hole respectively and is connected on bottom plate, and the upper end of connecting rod is additionally provided with spanner bayonet arrangement,
Design, which makes test specimen after the setting, in this way can remove connecting rod in order to remove test specimen, front side board, left plate, back side panel and the right side
Side plate surrounds transparent rectangular cylinder structure, and extemal plate is equipped on front side board, and passes through bolt and nut for extemal plate pressure
Material leaks when tightly putting only added material, can remove coaming plate and connecting rod together after test specimen solidification, more convenient examination
The demoulding of part, on four angles of the bottom plate of mold setting there are four square groove, bottom plate front side wall and rear wall be equipped with through-hole and
Blind hole, the flat key that through-hole is equipped with the first keyway and the second keyway to be cooperatively connected in axis and its connecting shaft, through-hole are equipped with stifled
Head, the first keyway and the second keyway are equipped with sprue, and plug and sprue can limit the movement on connecting shaft anterior-posterior horizontal direction,
Spring presses round ring flat-plate and rectangular groove sidewall, provides a horizontal direction when can rotate to the connecting shaft of hand foldable component
On pretightning force, make back-up roller wheel packs up and takes out more convenient, and the setting of plug and sprue is also more convenient for the present apparatus
Processing, manufacture and assembling.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the utility model under wheel collapsed state；
Fig. 2 is the bottom view of the utility model；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Fig. 4 is the schematic diagram of the foldable wheel mechanism of the utility model；
Fig. 5 is the transverse cross-sectional view of the utility model square groove.
Specific embodiment
As Figure 1-Figure 5, the detachable movable pressure break test piece mould of the utility model, including bottom plate 1, coaming plate, company
Fitting and back-up roller wheel 13, bottom plate 1 is horizontally disposed, offers a square groove 7, table on bottom plate 1 at 1 bottom four corners of bottom plate respectively
The four corners in face offer threaded hole, and connector includes four connecting rods being arranged in vertical 2, every connecting rod 2
Lower end be threaded in the threaded hole of 1 upper surface of bottom plate, coaming plate be arranged on bottom plate 1 and be located at four connecting rods 2
Outside forms the rectangular fluid chamber of open top between coaming plate and bottom plate 1；
Back-up roller wheel 13 is arranged in square groove 7 by foldable assembly, the structure phase of two hand foldable components of front side
With and bilateral symmetry, two hand foldable modular constructions of rear side it is identical and bilateral symmetry, two hand foldable components of front side
It is symmetrical one by one with two hand foldable components front and backs of rear side；
A hand foldable component positioned at 1 front side left part of bottom plate includes connecting shaft 11, round ring flat-plate 14 and spring 15, bottom
The front side wall and rear wall of square groove 7 on the left of 1 front side wall of plate offer through-hole 8 and blind hole 20 along anterior-posterior horizontal direction respectively,
Through-hole 8 and the center line of blind hole 20 are overlapped, and in axial direction offer the first keyway 9 and the second keyway 10 on the hole wall of through-hole 8,
First keyway 9 is located at the bottom of through-hole 8, and the second keyway 10 is located at the right part of through-hole 8, the plane and second where the first keyway 9
The angle of plane where keyway 10 is 90 °；
Connecting shaft 11 is plugged in through-hole 8 and blind hole 20 along anterior-posterior horizontal, and the front end of connecting shaft 11 is equipped with flat key 12, described
Flat key 12 is slidably fitted in the second keyway 10, the round coaxial rear portion for being fixedly connected on connecting shaft 11 of ring flat-plate 14, spring 15
It is set in connecting shaft 11 and is located at round 14 rear side of ring flat-plate；Back-up roller wheel 13 be arranged by mounting rack at the middle part of connecting shaft 11 and
Back-up roller wheel 13 is generally aligned in the same plane with flat key 12, and the front side in through-hole 8 is equipped with plug 19, the first keyway 9 and the second keyway 10
Interior front side is equipped with a sprue 18, and the front end of sprue 18 and plug 19 is flushed with 1 front side wall of bottom plate, and 18 rear end of sprue is located at
The rear side of 19 rear end of plug presses cooperation on rear side of 7 rear wall of square groove and round ring flat-plate 14 respectively at 15 both ends of spring, in bullet
Under the action of spring 15,12 front end of flat key is contacted with the press of 18 rear end of sprue.
Coaming plate includes front side board 3, left plate 4, back side panel 5 and right side plate 6, before the left side and left plate 4 of front side board 3
Side is hinged by the first hinge, and the back side edge of left plate 4 and the left side of back side panel 5 are hinged by the second hinge, back side panel 5
Right edge and right side plate 6 back side edge it is hinged by third hinge, front side board 3, left plate 4, back side panel 5 and right side plate 6 close
Transparent rectangular cylinder structure is surrounded, rectangular cylinder structure setting is located at rectangle in 1 upper surface of bottom plate, four connecting rods 2
It is contacted on the inside of tube structure and with rectangular cylinder structure, positioning group is equipped between 6 front side edge of 3 right edge of front side board and right side plate
Part.
Positioning component includes extemal plate 16 and several bolts 17, and extemal plate 16 is fixed on table before the right side of front side board 3
It face and is extended to the right, the right side opening of extemal plate 16 is equipped with several mounting holes 21, the setting side by side up and down of several mounting holes 21, often
A mounting hole 21 is long hole in the horizontal direction, if bolt stem 17 is fixed on 6 front side of right side plate, if the front end of bolt stem 17 point
Other corresponding inserted is threaded with the nut for compressing extemal plate 16 in several mounting holes 21 on bolt 17.
The upper end of connecting rod 2 is equipped with spanner bayonet arrangement.
Production, assembling and the application method of detachable movable pressure break test piece mould, comprising the following steps:
(1) coaming plate is made, casting is reserved, and there are four the bottom plate 1 of square groove 7 and the stationary positioned components on coaming plate；
(2) bottom plate 1 is processed；
(3) back-up roller wheel 13 and hand foldable component are installed,
(4) connecting rod 2 and coaming plate are installed on bottom plate 1；
(5) hydraulic fracturing test specimen is made.
The detailed process of stationary positioned component on coaming plate and coaming plate is made in step (1) are as follows: process same side length is in just
Rectangular front side board 3, left plate 4, back side panel 5 and right side plate 6 processes one piece of extemal plate 16 in rectangle, extemal plate 16
Length is less than or equal to the side length of front side board 3, and the right side of extemal plate 16 opens up the mounting hole 21, Mei Gean of several settings side by side up and down
Dress hole 21 is long hole in the horizontal direction, and the front side edge of the left side of front side board 3 and left plate 4 is cut with scissors by the first hinge
It connects, the back side edge of left plate 4 and the left side of back side panel 5 are hinged by the second hinge, the right edge and right side plate 6 of back side panel 5
Back side edge by third hinge it is hinged, the left side rear surface of extemal plate 16 is then welded on 3 right side front surface of front side board,
If bolt stem 17 is welded on the front side of right side plate 6 along anterior-posterior horizontal direction, bolt 17 corresponds in height with mounting hole 21
Setting.
The detailed process of processing bottom plate 1 in step (2) are as follows: since two through-holes 8 and two that are located at 1 front side of bottom plate are blind
Hole 20 is symmetrical set respectively, and is located at two through-holes 8 on rear side of bottom plate 1 and two blind holes 20 and is located at 1 front side of bottom plate
Two through-holes 8 and two blind holes 20 it is symmetrical one by one, the first keyway 9 and the second keyway 10 on each through-hole 8 are also according to upper
The mode of stating is arranged, here, only to be located at 1 front side left part of bottom plate through-hole 8, the first keyway 9 and 10 processing method of the second keyway into
Row narration, it is other no longer to repeat one by one, positioned at the through-hole 8 of 1 front side left part of bottom plate, blind hole 20, the first keyway 9 and the second keyway 10
Processing method are as follows: drill through one through the through-hole 8 positioned at 1 front side left part square groove 7 of bottom plate in 1 front side left part of bottom plate first, lead to
After the completion of hole 8 drills through, blind hole 20 is drilled through on 7 rear wall of square groove, blind hole 20 is coaxially set with through-hole 8, in the hole of through-hole 8
Open up the first keyway 9 and the second keyway 10 on wall in the axial direction respectively, the first keyway 9 is located at 8 bottom of through-hole, the second keyway 10
Positioned at 8 right part of through-hole, the angle of the first keyway 9 and the second keyway 10 is 90 °, after the completion of keyway opens up, in 1 upper surface of bottom plate
Four corners drill through four threaded holes.
The detailed process of installation back-up roller wheel 13 and hand foldable component in step (3) are as follows: two due to front side are manual
The structure of foldable assembly it is identical and bilateral symmetry, two hand foldable modular constructions of rear side it is identical and bilateral symmetry, front side
It is symmetrical one by one before and after two hand foldable components of two hand foldable components and rear side, here, only left to 1 front side of bottom plate is located at
The hand foldable component and its 13 mounting means of back-up roller wheel in portion are described, other no longer to repeat one by one, are located at 1 front side of bottom plate
The hand foldable component mounting means of left part are as follows: flat key 12 is welded on 11 front outsides of connecting shaft first, connecting shaft 11 is inserted
If carry is slidably fitted in flat key 12 in first keyway 9 in the through-hole 8 on 1 leading flank of bottom plate, then by round ring flat-plate 14
It is horizontally arranged in square groove 7 with spring 15, is sequentially sleeved in connecting shaft 11 from the rear end of connecting shaft 11, select suitable position
It sets and round ring flat-plate 14 is welded in connecting shaft 11, after round ring flat-plate 14 is fixed, continue to plug connecting shaft 11 into blind hole 20,
Connecting shaft 11 is installed；Then mounting rack is welded on 11 bottom of connecting shaft and back-up roller wheel 13 is mounted on mounting rack,
After back-up roller wheel 13 is installed, plug 18 is fixed on 8 front end of through-hole and is used to block through-hole 8, two sprues 19 are solid respectively
The front end of the first keyway 9 and the second keyway 10 is scheduled on for blocking the first keyway 9 and the second keyway 10；
Detailed process on bottom plate 1 is installed in step (4) and by connecting rod 2 and coaming plate are as follows: is threaded in connecting rod 2
In the threaded hole of 1 upper surface four corners of bottom plate, then before the rear surface of front side board 3, the right surface of left plate 4, back side panel 5
Side and the left side of right side plate 6, which apply to spread, prevents material from gluing glutinous oily material, then front side board 3, left plate 4,
Back side panel 5 and right side plate 6 against four connecting rods 2 and are encircled into transparent rectangular cylinder structure, and four connecting shafts 11 are located at
Bolt 17 on right side plate 6 is then passed through the mounting hole 21 in extemal plate 16 and is twisted with nut by rectangular cylinder structure four corners
Extemal plate 16 is compressed on bolt 17.
The detailed process of step (5) production hydraulic fracturing test specimen are as follows: this mold is pushed to by the material for test being stirred
Side takes in back-up roller wheel 13 in square groove 7, this mold is placed on shaking device, and the material of production test specimen is poured into and is enclosed
In the chamber that plate and bottom plate 1 form, opens shaking device and the indoor material of chamber is shaken, shaking device is closed after ram-jolt,
Open back-up roller wheel 13, by mold and test specimen be moved to test specimen place room, test specimen room temperature condense, moisturizing processing after a week, into
Row demoulding；
The detailed process of demoulding are as follows: nut is backed out first, front side board 3, left plate 4, back side panel 5 and right side plate 6 is complete
Portion opens, and then blocks spanner bayonet arrangement using spanner, four connecting rods 2 is backed out from threaded hole respectively, when connecting rod 2
After backing out, hydraulic fracturing test specimen can be removed easily, and the demoulding of the test specimen of hydraulic fracturing is completed.
Since the structure of two hand foldable components of front side is identical and bilateral symmetry, two hand foldable components of rear side
Structure is identical and bilateral symmetry, two hand foldable components of front side and two hand foldable components front and backs one of rear side are a pair of
Claim, here, only the back-up roller wheel 13 for being located at 1 front side left part of bottom plate is taken in the mode in square groove 7 and is described, it is other no longer
It repeats one by one, back-up roller wheel 13 is taken in the detailed process in square groove 7 are as follows: first the lift upwards of 1 front side of the bottom plate of the present apparatus
It rises, holds back-up roller wheel 13, the connecting shaft 11 that be located at 1 front side left part of bottom plate be pulled back, be located at round ring flat-plate 14 and rectangular
Spring 15 between 7 rear wall of slot is squeezed, and flat key 12 is moved back to the first keyway 9 is detached from, and then rotates connecting shaft 11 and branch
Idler wheel 13 is supportted, so that flat key 12 is directed at the second keyway 10, slowly unclamps back-up roller wheel 13, under the action of spring 15, flat key 12 is inserted
Enter into the first keyway 9, so far, back-up roller wheel 13, which is folded, to be put into square groove 7.
The present embodiment not makes any form of restriction the shape of the utility model, material, structure etc., all foundations
The technical essence of the utility model any simple modification, equivalent change and modification to the above embodiments, belong to this reality
With the protection scope of new technique scheme.
Claims (4)
1. detachable movable pressure break test piece mould, it is characterised in that: including bottom plate, coaming plate, connector and back-up roller wheel, bottom plate
Horizontally disposed, bottom base plate four corners offer a square groove respectively, and the four corners of plate upper surface offer threaded hole,
Connector includes four connecting rods being arranged in vertical, and the lower end of every connecting rod is threaded in table on bottom plate
In the threaded hole in face, coaming plate is arranged on bottom plate and is located on the outside of four connecting rods, and open top is formed between coaming plate and bottom plate
Rectangular fluid chamber；
Back-up roller wheel is arranged in square groove by foldable assembly, and the structure of two hand foldable components of front side is identical and controls
Symmetrically, two hand foldable modular constructions of rear side are identical and bilateral symmetry, two hand foldable components of front side and rear side
It is symmetrical one by one before and after two hand foldable components；
A hand foldable component positioned at left part on front side of bottom plate includes that connecting shaft, round ring flat-plate and spring, bottom plate front side wall are left
The front side wall and rear wall of the square groove of side offer through-hole and blind hole, the center of through-hole and blind hole along anterior-posterior horizontal direction respectively
Line is overlapped, and in axial direction offers the first keyway and the second keyway on the hole wall of through-hole, and the first keyway is located at the bottom of through-hole,
Second keyway is located at the right part of through-hole, and the angle of the plane where plane and the second keyway where the first keyway is 90 °；
Connecting shaft is plugged in through-hole and blind hole along anterior-posterior horizontal, and the front end of connecting shaft is equipped with flat key, and the flat key is slidably matched
In the second keyway, the coaxial rear portion for being fixedly connected on connecting shaft of round ring flat-plate, spring is set in connecting shaft and is located at circle
On rear side of shape ring flat-plate；Back-up roller wheel is arranged in the middle part of connecting shaft by mounting rack and back-up roller wheel is generally aligned in the same plane with flat key, leads to
Front side in hole is equipped with plug, and the front side in the first keyway and the second keyway is equipped with a sprue, the front end of sprue and plug
Flushed with bottom plate front side wall, sprue rear end is located at the rear side of plug rear end, both ends of the spring respectively with square groove rear wall and circle
Press cooperation on rear side of shape ring flat-plate, under the action of the spring, flat key front end is contacted with the press of sprue rear end.
2. detachable movable pressure break test piece mould according to claim 1, it is characterised in that: coaming plate include front side board,
Left plate, back side panel and right side plate, the left side of front side board and the front side edge of left plate are hinged by the first hinge, left plate
The left side of back side edge and back side panel is hinged by the second hinge, and the right edge of back side panel and the back side edge of right side plate pass through third
Hinge is hinged, and front side board, left plate, back side panel and right side plate are encircled into transparent rectangular cylinder structure, rectangular cylinder knot
Structure is arranged in plate upper surface, and four connecting rods are located on the inside of rectangular cylinder structure and contact with rectangular cylinder structure, front side board
Positioning component is equipped between right edge and right side plate front side edge.
3. detachable movable pressure break test piece mould according to claim 2, it is characterised in that: positioning component includes external
Plate and several bolts, extemal plate are fixed on the right side front surface of front side board and are extended to the right, the right side opening of extemal plate
Equipped with several mounting holes, several mounting hole settings side by side up and down, each mounting hole is long hole in the horizontal direction, if bolt stem
Be fixed on front side of right side plate, be plugged in several mounting holes if the front end of bolt stem respectively corresponds, be threaded on bolt by
The nut that extemal plate compresses.
4. detachable movable pressure break test piece mould according to claim 1, it is characterised in that: the upper end of connecting rod is all provided with
There is spanner bayonet arrangement.
Priority Applications (1)
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| CN201820625339.4U CN208206627U (en) | 2018-04-28 | 2018-04-28 | Detachable movable pressure break test piece mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548709A (en) * | 2018-04-28 | 2018-09-18 | 河南理工大学 | Detachable movable pressure break test piece mould and its making, assembling and application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548709A (en) * | 2018-04-28 | 2018-09-18 | 河南理工大学 | Detachable movable pressure break test piece mould and its making, assembling and application method |
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| CF01 | Termination of patent right due to non-payment of annual fee |