CN209640114U - A kind of architectural engineering concrete core sample bending testing device - Google Patents
A kind of architectural engineering concrete core sample bending testing device Download PDFInfo
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- CN209640114U CN209640114U CN201822019245.5U CN201822019245U CN209640114U CN 209640114 U CN209640114 U CN 209640114U CN 201822019245 U CN201822019245 U CN 201822019245U CN 209640114 U CN209640114 U CN 209640114U
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Abstract
The utility model discloses a kind of architectural engineering concrete core sample bending testing devices, including pedestal, transverse slat, scale, arc-shaped seat, partition, the first sliding block, first sliding groove, the first screw rod, threaded hole, positioning bolt, placement block, side plate, second sliding slot, fixture nut, the second screw rod, the second sliding block, connecting plate, riser, first rotating shaft, idler wheel, clamping plate, link block, connecting rod, through-hole, crossbeam, electric pushrod, mounting plate, limit plate, connector, Instrument for Pressure, the second shaft, attachment base, lever arm, gasket and hydraulic stem.The utility model is structurally reasonable, by rotating the second screw rod, it is threadedly coupled the second screw rod with fixture nut, the second sliding block of drive of second screw rod moves in second sliding slot, second sliding block drives connecting plate to move between two side plates, so as to adjust the distance between corresponding two idler wheels, places convenient for the core sample of different thicknesses, the core sample for adapting to different thicknesses length is tested, and the operation is more convenient.
Description
Technical field
The utility model relates to a kind of concrete core sample bending testing device, specifically a kind of architectural engineering concrete core sample
Bending test device belongs to agent on crack resistance of concrete folding and uses technical field.
Background technique
For concrete girder under crooked pressure, it is strong that the peak load that can bear on unit area is known as agent on crack resistance of concrete folding
Degree, under normal circumstances, concrete flexural strength is about the 1/5 ~ 1/10 of its cubic compressive strength, is tensile splitting strength
1.5 ~ 3.0 times, flexural strength test is using the girder of 150mm × 150mm × 600mm (or 550mm) as standard specimen.
It is mainly at present core drilling method, destruction of the drill core test to component for the detection method of concrete crushing strength
Greatly, it is needed after core boring sampling by all multi-process such as cutting processing, repairing, maintenance and compression test, cumbersome, influence factor is many
It is more, and the length of core sample and thickness are different, existing bending test device is not easy that core sample is fixed, existing bending test
When testing, core sample is easy to shake device, to cause the inaccuracy of bending test result, influences concrete core sample test
Accuracy.Therefore, a kind of architectural engineering concrete core sample bending testing device is proposed regarding to the issue above.
Utility model content
The purpose of this utility model be that solve the above-mentioned problems and to provide a kind of architectural engineering concrete core sample anti-
Roll over experimental rig.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of anti-folding examination of architectural engineering concrete core sample
Experiment device, mobile device, limiting device and measuring device including pedestal and base top；
The mobile device includes transverse slat, scale, arc-shaped seat, partition, the first sliding block, first sliding groove, the first screw rod, screw thread
Hole, positioning bolt and placement block, the top of the pedestal are fixedly connected with transverse slat, and it is sliding that the top of the transverse slat is fixedly connected with first
Block, first sliding block are connected together first sliding groove, and the first sliding groove is provided with the bottom end for placing block, the top for placing block
End is fixedly connected with partition, and the center of the partition is threadedly coupled the first screw rod, and the top of first screw rod is fixedly connected with arc
Seat, described one end for placing block are provided with threaded hole, and the threaded hole internal screw thread connects positioning bolt；
The limiting device include side plate, second sliding slot, fixture nut, the second screw rod, the second sliding block, connecting plate, riser,
First rotating shaft and idler wheel, the top two sides of the pedestal are fixedly connected with side plate, and the inside of the side plate is provided with second sliding slot, institute
The internal slide for stating second sliding slot connects the second sliding block, and one end of second sliding block is fixedly connected with connecting plate, the connecting plate
Top be fixedly connected with riser, the top of the riser passes through first rotating shaft and is rotatablely connected idler wheel, one end of second sliding block
It is fixedly connected with the second screw rod, the threaded one end of second screw rod is connected and fixed nut；
The measuring device include clamping plate, link block, connecting rod, through-hole, crossbeam, electric pushrod, mounting plate, limit plate,
Connector, Instrument for Pressure, the second shaft, attachment base, lever arm, gasket and hydraulic stem, one end of the side plate are fixedly connected with crossbeam
One end, the bottom end of the crossbeam is equipped with hydraulic stem, and the output end of the hydraulic stem is fixedly connected with mounting plate, the mounting plate
Bottom end two sides be fixedly connected with one end of connecting rod, the other end of the connecting rod is fixedly connected with one end of link block, described
Link block is rotatablely connected one end of lever arm by the second shaft, and the bottom end of the lever arm is fixedly connected with clamping plate, the activity
One end of arm is fixedly connected with gasket, and the top of the lever arm is rotatablely connected one end of attachment base, the company by the second shaft
Joint chair is fixedly connected with one end side wall of connector, and the top of the connector is fixedly connected with the bottom end of limit plate, the connector
Bottom end Instrument for Pressure is installed, there are two electric pushrod, the output end of the electric pushrod is solid for the top installation of the limit plate
Determine one end of connection plate, the both ends side wall of the limit plate is provided with through-hole.
Preferably, first sliding block and first sliding groove are respectively T-type sliding block and T-type sliding slot, and the first sliding block is fixed and connected
It connects at the center of partition.
Preferably, the quantity for placing block is two, and two placement blocks pass through first sliding groove and the first sliding block is sliding
Dynamic connection.
Preferably, it through-hole of the connecting rod inside the limit plate and is slidably connected with through-hole.
Preferably, the crossbeam is fixedly connected between two side plates, and the centre bit of crossbeam and mounting plate and limit plate
In in same perpendicular.
Preferably, the fixture nut is fixedly connected on one end of second sliding slot.
Preferably, one end of the positioning bolt is bonded by threaded hole with one end side wall of the first sliding block.
Preferably, the connecting plate is slidably connected by the second sliding block with second sliding slot, and the width of connecting plate and second
Sliding slot it is of same size.
Preferably, the quantity of the lever arm is two, and one end of two lever arms passes through the rotation of the second shaft and connects
One end of joint chair in succession.
Preferably, the quantity of the second sliding slot is four, and four second sliding slots are symmetrically distributed in two side plates two-by-two
One end inside.
The beneficial effects of the utility model are:
1, by two place blocks by first sliding groove the first sliding block top slide, adjust two place blocks between away from
From, by rotating the first screw rod, be threadedly coupled the first screw rod with partition, so as to adjust arc-shaped seat and place block top away from
From the core sample for conveniently adapting to different length is placed.
2, by the second screw rod of rotation, it is threadedly coupled the second screw rod with fixture nut, the second screw rod drives the second sliding block
It is moved in second sliding slot, the second sliding block drives connecting plate to move between two side plates, rolls so as to adjust corresponding two
The both ends of core sample, are then individually positioned between two corresponding idler wheels, put convenient for the core sample of different thicknesses by the distance between wheel
It sets, the core sample for adapting to different thicknesses length is tested, and the operation is more convenient.
3, by electric pushrod and hydraulic stem, electric pushrod shrinks the through-hole for driving limit plate two sides and connecting rod sliding connects
It connects, limit plate drives connector and two attachment bases to move up, and two attachment bases drive one end of two lever arms to pass through second turn
The other end side wall of axis rotation, two lever arms is rotated by the second shaft and link block, to make two lever arms by core sample
It is fixedly clamped between two gaskets, is fixed convenient for the core sample of different thicknesses, prevent the movement of core sample, hydraulic stem pushes mounting plate
It moves down, hydraulic stem makes core sample bend between two arc-shaped seats, is detected by Instrument for Pressure to pressure, until core
Sample fracture carries out bending test convenient for the core sample to different thicknesses, passes through the length and record of tape measure core sample.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model left view；
Fig. 3 is the utility model transverse slat, the first sliding block, the first screw rod, positioning bolt and places block position view.
In figure: 1, pedestal, 2, transverse slat, 201, scale, 3, arc-shaped seat, 4, partition, the 5, first sliding block, 6, first sliding groove, 7,
First screw rod, 8, threaded hole, 9, positioning bolt, 10, place block, 11, side plate, 12, second sliding slot, 13, fixture nut, 14, the
Two screw rods, the 15, second sliding block, 16, connecting plate, 17, riser, 18, first rotating shaft, 19, idler wheel, 20, clamping plate, 21, link block,
22, connecting rod, 23, through-hole, 24, crossbeam, 25, electric pushrod, 26, mounting plate, 27, limit plate, 28, connector, 29, pressure
Instrument, the 30, second shaft, 31, attachment base, 32, lever arm, 33, gasket, 34, hydraulic stem.
Specific embodiment
It is practical below in conjunction with this to enable the purpose of this utility model, feature, advantage more obvious and understandable
Attached drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that under
The described embodiments are only a part of the embodiments of the utility model in face, and not all embodiment.Based on the utility model
In embodiment, all other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, fall within the protection scope of the utility model.
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "inner", "outside" etc.
The orientation or positional relationship of instruction is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model
It is described with simplifying, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
It please refers to shown in Fig. 1-3, a kind of architectural engineering concrete core sample bending testing device, including pedestal 1 and pedestal 1 push up
Mobile device, limiting device and the measuring device in portion；
The mobile device includes transverse slat 2, scale 201, arc-shaped seat 3, partition 4, the first sliding block 5, first sliding groove 6, first
Screw rod 7, threaded hole 8, positioning bolt 9 and placement block 10, the top of the pedestal 1 is fixedly connected with transverse slat 2, the top of the transverse slat 2
End is fixedly connected with the first sliding block 5, and first sliding block 5 is connected together first sliding groove 6, and the first sliding groove 6 is provided with placement block
10 bottom end, the top for placing block 10 are fixedly connected with partition 4, and the center of the partition 4 is threadedly coupled the first screw rod 7, institute
The top for stating the first screw rod 7 is fixedly connected with arc-shaped seat 3, and described one end for placing block 10 is provided with threaded hole 8, in the threaded hole 8
It is threadedly coupled positioning bolt 9, the core sample for conveniently adapting to different length is placed；
The limiting device includes side plate 11, second sliding slot 12, fixture nut 13, the second screw rod 14, the second sliding block 15, connects
Fishplate bar 16, riser 17, first rotating shaft 18 and idler wheel 19, the top two sides of the pedestal 1 are fixedly connected with side plate 11, the side plate
11 inside is provided with second sliding slot 12, and the internal slide of the second sliding slot 12 connects the second sliding block 15, second sliding block 15
One end be fixedly connected with connecting plate 16, the top of the connecting plate 16 is fixedly connected with riser 17, and the top of the riser 17 passes through
First rotating shaft 18 is rotatablely connected idler wheel 19, and one end of second sliding block 15 is fixedly connected with the second screw rod 14, second screw rod
14 threaded one end is connected and fixed nut 13, places convenient for the core sample to different thicknesses；
The measuring device includes clamping plate 20, link block 21, connecting rod 22, through-hole 23, crossbeam 24, electric pushrod 25, peace
Loading board 26, limit plate 27, connector 28, Instrument for Pressure 29, the second shaft 30, attachment base 31, lever arm 32, gasket 33 and hydraulic stem
34, one end of the side plate 11 is fixedly connected with one end of crossbeam 24, and the bottom end of the crossbeam 24 is equipped with hydraulic stem 34, the liquid
The output end of compression bar 34 is fixedly connected with mounting plate 26, and the bottom end two sides of the mounting plate 26 are fixedly connected with the one of connecting rod 22
End, the other end of the connecting rod 22 are fixedly connected with one end of link block 21, and the link block 21 is rotated by the second shaft 30
One end of lever arm 32 is connected, the bottom end of the lever arm 32 is fixedly connected with clamping plate 20, and one end of the lever arm 32 is fixed to be connected
Connection pad piece 33, the top of the lever arm 32 are rotatablely connected one end of attachment base 31, the attachment base 31 by the second shaft 30
It is fixedly connected with one end side wall of connector 28, the top of the connector 28 is fixedly connected with the bottom end of limit plate 27, the connection
First 28 bottom end is equipped with Instrument for Pressure 29, and there are two electric pushrod 25, the electric pushrods for the top installation of the limit plate 27
25 output end is fixedly connected with one end of mounting plate 26, and the both ends side wall of the limit plate 27 is provided with through-hole 23, convenient for operation.
First sliding block 5 and first sliding groove 6 are respectively T-type sliding block and T-type sliding slot, and the first sliding block 5 is fixedly connected on
The center of partition 4, as a result more rationally, convenient for connection；The quantity for placing block 10 is two, and two placement blocks 10 are logical
It crosses first sliding groove 6 to be slidably connected with the first sliding block 5, be fixed convenient for the core sample to different length；The connecting rod 22 runs through
Through-hole 23 inside limit plate 27 is simultaneously slidably connected with through-hole 23, convenient for connection；The crossbeam 24 is fixedly connected on two side plates
Between 11, and crossbeam 24 and the center of mounting plate 26 and limit plate 27 are located in the same vertical plane, convenient for the integrality of structure；
The fixture nut 13 is fixedly connected on one end of second sliding slot 12, is defined convenient for the position to the second sliding block 15；It is described
One end of positioning bolt 9 is bonded to consolidate the position for placing block 10 with one end side wall of the first sliding block 5 by threaded hole 8
It is fixed；The connecting plate 16 is slidably connected by the second sliding block 15 with second sliding slot 12, and the width and second sliding slot of connecting plate 16
12 it is of same size, convenient for movement of the connecting plate 16 in second sliding slot 12；The quantity of the lever arm 32 is two, and two
One end of lever arm 32 passes through one end of the second shaft 30 rotation connection attachment base 31, and structure is more reasonable, convenient for difference
The core sample of thickness is fixed；The quantity of the second sliding slot 12 is four, and four second sliding slots 12 are symmetrically distributed in two-by-two
Inside one end of two side plates 11, placed convenient for the core sample to different thicknesses.
When the utility model is used, first by the external control switch of the electric elements in the present apparatus and power supply, then
The concrete core sample of bending test will be needed to take out, according to the length of core sample, two placement blocks 10 are then passed through into first sliding groove 6
In the top slide of the first sliding block 5, the distance between two placement blocks 10 are adjusted, by rotating the first screw rod 7, make the first screw rod
7 are threadedly coupled with partition 4, so as to adjust arc-shaped seat 3 at a distance from placement 10 top of block, the core sample of bending test will be needed to place
On the top of two arc-shaped seats 3, electric pushrod 25 is then opened by outside connected switch, electric pushrod 25, which is shunk, drives limit plate 27
The through-hole 23 of two sides is slidably connected with connecting rod 22, and limit plate 27 drives connector 28 and two attachment bases 31 to move up, two companies
Joint chair 31 drives one end of two lever arms 32 to rotate by the second shaft 30, and the other end side walls of two lever arms 32 passes through the
Two shafts 30 are rotated with link block 21, thus make two lever arms 32 that core sample to be fixedly clamped between two gaskets 33, core sample
Top and Instrument for Pressure 29 push against, then open hydraulic stem 34, hydraulic stem 34 push mounting plate 26 move down, hydraulic stem 34 makes
Core sample bends between two arc-shaped seats 3, is detected by Instrument for Pressure 29 to pressure, until core sample is broken, records
The flexural strength of core sample, by rotating the second screw rod 14, makes the second screw rod 14 and fixed spiral shell when encountering the core sample of different thicknesses
Mother 13 is threadedly coupled, and the second sliding block of drive 15 of the second screw rod 14 moves in second sliding slot 12, and the second sliding block 15 drives connection
Plate 16 is moved between two side plates 11, so as to adjust the distance between corresponding two idler wheels 19, then by the two of core sample
End is individually positioned between two corresponding idler wheels 19, opens electric pushrod 25 and hydraulic stem 34, electric pushrod by outside connected switch
25 through-holes 23 for shrinking drive 27 two sides of limit plate are slidably connected with connecting rod 22, and limit plate 27 drives connector 28 and two companies
Joint chair 31 moves up, and two attachment bases 31 drive one end of two lever arms 32 to rotate by the second shaft 30, two lever arms 32
Other end side wall rotated by the second shaft 30 and link block 21, to make two lever arms 32 that core sample to be fixedly clamped two
Between a gasket 33, it is fixed convenient for the core sample of different thicknesses, prevents the movement of core sample, carried out convenient for the core sample to different thicknesses
Bending test measures the length and record of core sample by scale 201.
Electric pushrod 25 is using the electric pushrod of the sold model XTL100 of Long Xiang hardware flagship store and its relevant
Mating power supply and circuit.
Instrument for Pressure 29 is dedicated using the anti-folding of through-hole positioning cement of the sold model DYX-309 of ocean hardware monopolized store
Sensor and its relevant mating power supply and circuit.
It is related to circuit and electronic component and module is the prior art, those skilled in the art may be implemented completely,
Without superfluous words, the content of the utility model protection is not related to the improvement for software and method yet.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by fall in claim containing with important document
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
The above, above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to previous embodiment, those skilled in the art should understand that: it is still
It is possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is equally replaced
It changes；And these are modified or replaceed, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (10)
1. a kind of architectural engineering concrete core sample bending testing device, it is characterised in that: at the top of pedestal (1) and pedestal (1)
Mobile device, limiting device and measuring device；
The mobile device includes transverse slat (2), scale (201), arc-shaped seat (3), partition (4), the first sliding block (5), first sliding groove
(6), the first screw rod (7), threaded hole (8), positioning bolt (9) and placement block (10), the top of the pedestal (1) is fixedly connected with cross
The top of plate (2), the transverse slat (2) is fixedly connected the first sliding block (5), and first sliding block (5) is connected together first sliding groove
(6), the first sliding groove (6) is provided with the bottom end for placing block (10), and the top for placing block (10) is fixedly connected with partition
(4), the center of the partition (4) is threadedly coupled the first screw rod (7), and the top of first screw rod (7) is fixedly connected with arc-shaped seat
(3), described one end for placing block (10) is provided with threaded hole (8), and threaded hole (8) internal screw thread connects positioning bolt (9)；
The limiting device includes side plate (11), second sliding slot (12), fixture nut (13), the second screw rod (14), the second sliding block
(15), connecting plate (16), riser (17), first rotating shaft (18) and idler wheel (19), the top two sides of the pedestal (1) are fixed to be connected
It connects side plate (11), the inside of the side plate (11) is provided with second sliding slot (12), the internal slide connection of the second sliding slot (12)
One end of second sliding block (15), second sliding block (15) is fixedly connected connecting plate (16), and the top of the connecting plate (16) is solid
Surely riser (17) are connected, the top of the riser (17) is sliding by first rotating shaft (18) rotation connection idler wheel (19), described second
One end of block (15) is fixedly connected the second screw rod (14), and the threaded one end of second screw rod (14) is connected and fixed nut (13)；
The measuring device includes clamping plate (20), link block (21), connecting rod (22), through-hole (23), crossbeam (24), electric pushrod
(25), mounting plate (26), limit plate (27), connector (28), Instrument for Pressure (29), the second shaft (30), attachment base (31), activity
One end of arm (32), gasket (33) and hydraulic stem (34), the side plate (11) is fixedly connected with one end of crossbeam (24), the crossbeam
(24) bottom end is equipped with hydraulic stem (34), and the output end of the hydraulic stem (34) is fixedly connected with mounting plate (26), the installation
The bottom end two sides of plate (26) are fixedly connected with one end of connecting rod (22), and the other end of the connecting rod (22) is fixedly connected with connection
One end of block (21), the one end of the link block (21) by the second shaft (30) rotation connection lever arm (32), the activity
The bottom end of arm (32) is fixedly connected clamping plate (20), and one end of the lever arm (32) is fixedly connected with gasket (33), the lever arm
(32) top is rotatablely connected the one end of attachment base (31) by the second shaft (30), and the attachment base (31) is fixedly connected with connection
One end side wall of head (28), the top of the connector (28) is fixedly connected with the bottom end of limit plate (27), the connector (28)
Bottom end be equipped with Instrument for Pressure (29), the installation of the top of the limit plate (27) is described electronic to push away there are two electric pushrod (25)
The output end of bar (25) is fixedly connected with one end of mounting plate (26), and the both ends side wall of the limit plate (27) is provided with through-hole
(23).
2. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: described
One sliding block (5) and first sliding groove (6) are respectively T-type sliding block and T-type sliding slot, and the first sliding block (5) is fixedly connected on partition (4)
Center.
3. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: described to put
The quantity for setting block (10) is two, and two placement blocks (10) are slidably connected by first sliding groove (6) with the first sliding block (5).
4. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: the company
Extension bar (22) is slidably connected through limit plate (27) internal through-hole (23) and with through-hole (23).
5. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: the cross
Beam (24) is fixedly connected between two side plates (11), and crossbeam (24) and the center of mounting plate (26) and limit plate (27) are located at
In same perpendicular.
6. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: described solid
Determine one end that nut (13) is fixedly connected on second sliding slot (12).
7. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: described fixed
One end of position bolt (9) is bonded by threaded hole (8) with one end side wall of the first sliding block (5).
8. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: the company
Fishplate bar (16) is slidably connected by the second sliding block (15) with second sliding slot (12), and the width and second sliding slot of connecting plate (16)
(12) of same size.
9. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: the work
The quantity of swing arm (32) is two, and one end of two lever arms (32) passes through the second shaft (30) rotation connection attachment base
(31) one end.
10. a kind of architectural engineering concrete core sample bending testing device according to claim 1, it is characterised in that: described
The quantity of second sliding slot (12) is four, and four second sliding slots (12) are symmetrically distributed in two-by-two in one end of two side plates (11)
Portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019245.5U CN209640114U (en) | 2018-12-03 | 2018-12-03 | A kind of architectural engineering concrete core sample bending testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822019245.5U CN209640114U (en) | 2018-12-03 | 2018-12-03 | A kind of architectural engineering concrete core sample bending testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209640114U true CN209640114U (en) | 2019-11-15 |
Family
ID=68474177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822019245.5U Active CN209640114U (en) | 2018-12-03 | 2018-12-03 | A kind of architectural engineering concrete core sample bending testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209640114U (en) |
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2018
- 2018-12-03 CN CN201822019245.5U patent/CN209640114U/en active Active
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