CN209280470U - A kind of pressure testing machine - Google Patents
A kind of pressure testing machine Download PDFInfo
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- CN209280470U CN209280470U CN201821809886.4U CN201821809886U CN209280470U CN 209280470 U CN209280470 U CN 209280470U CN 201821809886 U CN201821809886 U CN 201821809886U CN 209280470 U CN209280470 U CN 209280470U
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- fixed
- driving
- pedestal
- briquetting
- footstock
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Abstract
The utility model discloses a kind of pressure testing machine, including pedestal, the guide rod being fixed on the base, with footstock fixed at the top of guide rod, the crossbeam being slidably connected with guide rod, the transmission device for driving crossbeam, for the driving device of driving transmission device, the pressure apparatus for squeezing sample, the protective device for preventing sample from popping up and the regulating device for driving protective device；Pressure apparatus includes the fixed column for being fixed on crossbeam bottom surface, the briquetting fixed with fixed column bottom surface and the bearing platform fixed with base upper surface；Protective device includes the rising stem being slidably connected with pedestal, the guard ring being fixed at the top of rising stem and the protective jacket being sheathed on bearing platform；Protective jacket one end is fixed with the guard ring, and the other end is fixed with base upper surface.The utility model has the effect that protective jacket accommodates bearing platform and briquetting completely, so that sample and extraneous separation, avoid sample fragmentation when receiving pressure testing from popping up and hurt sb.'s feelings, ensure that the safety of operator.
Description
Technical field
The utility model relates to pressure sensing arts, in particular to a kind of pressure testing machine.
Background technique
Pressure testing machine is mainly used for the compressive strength test of the construction materials such as brick, cement mortar and concrete, it is also possible to
In the mechanical property test of other materials.
Currently, the Chinese utility model patent that notification number is CN201600305U discloses a kind of pressure testing machine, wrap
The display and controller slave for including main body and being located at beside main body, host include the lower beam, oil cylinder, work of mating assembly
Plug, lower platen, double feed rods, upper beam, lead screw, top board, add a hanging plate on lead screw, are arranged between hanging plate and top board
Flexible adjusting pad, and hanging plate is connect by bolt with top board.Wherein the quantity of feed rod is generally four, is located at down
Four corners of crossbeam, so as to support upper beam, with formation operation space between lower beam.In use, first
Lead screw rotation is driven by lead screw handwheel, so that top board rises, and test specimen is placed on lower platen, then driven by lead screw
Top board decline, when top board bottom surface and test specimen top surface contact after, the subtle inclination in height of specimen direction can be adapted to automatically
Degree, makes two planes contact with each other comprehensively, to make test specimen uniform force；Then start button is pressed, oil return valve is closed, regulation is sent
Oil valve, rate steadily carries out bearing test as needed, until test specimen is crushed, load decline；It is detected finally by load cell
The pressure born when test specimen is crushed just can obtain the compression strength of the test specimen.
In above-mentioned technical proposal, when test specimen, sample is placed between top board and lower platen and crushes, and sample
When broken, four scattered fragments are easy pop-up and hurt sb.'s feelings, and there are biggish security risks.For this purpose, a kind of pressure testing machine is needed, it should
Pressure testing machine when carrying out pressure testing, in sample and operator separate, avoid crushing sample pop-up and cause
Operator is injured, highly-safe.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide a kind of pressure testing machine, pressure examination
Testing machine separates sample and operator, avoids the sample pop-up of crushing and causes to operate
Injury to personnel, it is highly-safe.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of pressure testing machine including pedestal, the guide rod being fixed on the base, the footstock fixed with guide rod top, is arranged
In the crossbeam being slidably connected on guide rod and with guide rod, the transmission device for driving cross beam movement, for driving transmission device
Driving device, the pressure apparatus for squeezing sample, for prevent sample fragmentation pop up protective device and for driving it is anti-
The regulating device that protection unit is opened；The pressure apparatus includes the fixed column for being fixed on crossbeam bottom surface, fixes with fixed column bottom surface
Briquetting and the bearing platform fixed with base upper surface；The protective device includes passing vertically through pedestal and sliding with pedestal to connect
The rising stem connect, the guard ring being fixed at the top of rising stem and the flexible protective jacket being sheathed on bearing platform；The protection
Set one end is fixed with the guard ring, and the other end is fixed with base upper surface.
By using above-mentioned technical proposal, the work of driving device driving transmission device, transmission device drives crossbeam the bottom of towards
Seat is mobile, so that briquetting moves down, so that the sample between briquetting and bearing platform compresses, at this point, regulating device drives
Rising stem moves up, and guard ring moves up, and protection set upper side is driven to move up, until protective jacket accommodates bearing platform and briquetting completely, by
In sample at this time and extraneous separation, avoids sample fragmentation when receiving pressure testing from popping up and hurt sb.'s feelings, ensure that operator's
Safety.
The utility model is further arranged to, and the regulating device includes connecting horizontal through base side wall and with base rotation
The worm screw connect and worm screw are located at the fixed handwheel in the outer one end of pedestal, the rotation axis being vertically arranged in pedestal, are sheathed on rotation axis
The upper and turbine fixed with rotation axis and the driving plate for being located at the fixation of one end in pedestal with rising stem；The turbine and the snail
Bar engagement；The rotation axis passes through the driving plate and is threadedly coupled with driving plate.
By using above-mentioned technical proposal, when hand wheel rotating, worm screw is rotated with it, and worm gear and rotation axis is driven to turn
It is dynamic, so that the driving plate being threadedly coupled with rotation axis moves up, so that the rising stem fixed with driving plate moves up, so that anti-
Protection unit work.
The utility model is further arranged to, and the pressure apparatus further includes passing vertically through the briquetting and sliding with briquetting
The slide bar of connection and the slide bar bottom surface pressing plate fixed and the pressure sensor being set between pressing plate and briquetting；The pressure
Sensor is embedded on briquetting bottom surface and fixes.
By using above-mentioned technical proposal, when transmission device driving crossbeam moves down, briquetting moves down therewith, until sliding peace
Pressing plate and sample loaded on briquetting bottom compress, and are set to the pressure sensor between pressing plate and briquetting and have detected pressing plate crowded
Reaction force when pressure-like product, to calculate pressure suffered by sample；The setting of the pressing plate, avoids pressure sensor and sample
It directly contacts, prevents the sample effects of part metals to the detection of pressure sensor, ensure that the work of pressure sensor is steady
It is qualitative.
The utility model is further arranged to, and the limited block for preventing slide bar to be detached from the briquetting is fixed on the slide bar.
By using above-mentioned technical proposal, when crossbeam moves up, pressing plate and slide bar since inertia phase moves down briquetting,
Until limited block offsets with briquetting, avoiding slide bar and pressing plate and separating with briquetting prevents pressing plate and slide bar from falling and injures behaviour by a crashing object
Make personnel.
The utility model is further arranged to, and the briquetting surrounding side wall is slidably connected with the guard ring surrounding inner sidewall
And it is bonded.
By using above-mentioned technical proposal, guard ring and briquetting are moved in the vertical direction on rising stem when regulating device drives
When flushing, briquetting is located in guard ring, and briquetting surrounding side wall is bonded with guard ring surrounding inner sidewall, avoids the sample in protective jacket
Product fragment projects in the gap between guard ring and briquetting, ensure that the personal safety of operator.
The utility model is further arranged to, and the transmission device includes being vertically arranged between the footstock and pedestal
Screw rod, the driven gear being horizontally placed in footstock, be vertically arranged in footstock and with the driving shaft of footstock rotation connection and
It is sheathed on the driving gear fixed on driving shaft and with driving shaft；The screw rod passes through the crossbeam and is threadedly coupled with crossbeam,
The screw rod upper end passes through footstock bottom surface and fixes with the driven gear bottom surface middle part；The driving gear and the driven tooth
Wheel engagement.
By using above-mentioned technical proposal, when driving shaft rotation, driving gear rotation drives driven gear rotation, drives
Screw rod rotation has been moved, has been slided to drive the crossbeam connecting with wire rod thread along the length direction of guide rod.
The utility model is further arranged to, and the screw rod is equipped with two, and two screw rods are each passed through crossbeam two
End；Two driven gears at the top of the screw rod are engaged with the driving gear respectively.
By using above-mentioned technical proposal, when rotation axis rotation, driving gear rotation, so that engaged with driving gear
Two driven gears rotate simultaneously, so that the screw rod revolving speed for being set to crossbeam both ends is consistent, so that crossbeam both ends is vertical
Displacement is consistent, sample detection error caused by avoiding crossbeam from tilting.
The utility model is further arranged to, and the driving shaft upper end passes through the footstock and is rotatablely connected with footstock；Institute
Driving device is stated to include the fixed plate for being fixed on footstock top, the motor for being fixed on fixed plate top, fix with motor output shaft
Driving wheel, the driven wheel fixed with driving shaft upper end and both ends closure and successively around the belt of driving wheel and driven wheel.
By using above-mentioned technical proposal, when motor work, output shaft rotation has driven driving wheel rotation, so that
The strap lug of closure has driven driven wheel rotation around movement, so that driving shaft rotates.
In conclusion the advantageous effects of the utility model are as follows:
1. regulating device driving rising stem moves up, guard ring is moved up, and protection set upper side is driven to move up, until protective jacket is complete
It is complete to accommodate bearing platform and briquetting, due to sample at this time and it is extraneous separate, avoid sample when receiving pressure testing fragmentation pop-up and
It hurts sb.'s feelings, ensure that the safety of operator；
2. the setting of pressing plate avoids pressure sensor from directly contacting with sample, prevent the sample effects of part metals from arriving
The detection of pressure sensor ensure that the job stability of pressure sensor；
3. when moving to guard ring on regulating device driving rising stem and being flushed in the vertical direction with briquetting, briquetting surrounding side wall
It is bonded with guard ring surrounding inner sidewall, the sample fragment in protective jacket is avoided to project in the gap between guard ring and briquetting,
It ensure that the personal safety of operator.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment.
In figure: 1, pedestal；2, guide rod；3, footstock；4, crossbeam；5, transmission device；51, screw rod；52, driven gear；53, main
Moving gear；54, driving shaft；6, driving device；61, fixed plate；62, motor；63, driving wheel；64, driven wheel；65, belt；7,
Pressure apparatus；71, fixed column；72, briquetting；721, pressure sensor；73, pressing plate；74, slide bar；741, limited block；75, load-bearing
Platform；8, protective device；81, guard ring；82, rising stem；83, protective jacket；9, regulating device；91, rotor plate；92, driving plate；93,
Worm screw；94, handwheel；95, worm gear；96, rotation axis.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of pressure testing machine, including pedestal 1, guide rod 2, footstock 3, crossbeam 4, transmission device 5, driving dress
Set 6, pressure apparatus 7, protective device 8 and regulating device 9.Pedestal 1 is rectangular parallelepiped structure, inner hollow.Guide rod 2 is circle
Rod-like structure, axis vertical, and its bottom surface are fixed with 1 upper surface of pedestal.Guide rod 2 shares two, is respectively arranged at 1 liang of pedestal
End.Footstock 3 is cuboid hollow structure inside, and bottom surface is fixed with 2 upper end of guide rod, and two guide rods 2 are set to 3 liang of footstock
End.Crossbeam 4 be rectangular in cross-section long plate shape structure, be horizontally disposed with, and its both ends be sheathed on two guide rods 2 respectively and with lead
Bar 2 is slidably connected.
As shown in Figure 1, transmission device 5 includes screw rod 51, driven gear 52, driving gear 53 and driving shaft 54.Screw rod
51 are vertically arranged between pedestal 1 and footstock 3, and lower end and 1 upper surface of pedestal are rotatablely connected, and the upper end passes through 3 bottom surface of footstock
It extends in footstock 3 and is rotatablely connected with footstock 3.Screw rod 51 is equipped with two, is located at 1 both ends of pedestal, and two screw rods 51
It is each passed through 4 both ends of crossbeam and is threadedly coupled with crossbeam 4.It is horizontally disposed there are two driven gear 52 is set, and driven gear 52
It is located at one end in footstock 3 with screw rod 51 in the middle part of bottom surface to fix.Driving shaft 54 is vertically arranged in footstock 3, lower end and footstock 3
Inner bottom surface rotation connection, the upper end are pierced by 3 upper wall of footstock and are rotatablely connected with 3 inner roof wall of footstock.Driving gear 53 is horizontally disposed
In in footstock 3, be sheathed on driving shaft 54 and with driving shaft 54 it is fixed, and driving gear 53 simultaneously with two driven gears 52
Engagement.When driving shaft 54 rotates, driving gear 53 is rotated, and drives the driven gear 52 being engaged with to rotate, so that screw rod 51
Rotation.
As shown in Figure 1, driving device 6 includes fixed plate 61, motor 62, driving wheel 63, driven wheel 64 and belt 65.Gu
Fixed board 61 is plate structure, and the section vertical with the length direction of footstock 3 is U-shaped, and 61 both ends bottom surface of fixed plate and footstock 3
Upper surface is fixed.Motor 62 is fixed on 61 upper surface of fixed plate, and output shaft passes through fixed plate 61 and extends in fixed plate 61.
Driving wheel 63 is round wheel-like structure, and end face is horizontal, and end face center is fixed with 62 output shaft of motor thereon.Driven wheel 64 is same
For round wheel-like structure, end face is horizontal, and lower end surface center is located at one end outside footstock 3 with driving shaft 54 and fixes.65 liang of belt
End closure, successively bypasses driving wheel 63 and driven wheel 64, so that driving wheel 63 is connected with 64 V belt translation of driven wheel.Work as motor
When 62 work, driving wheel 63 is rotated, and driven wheel 64 is driven to rotate, so that driving shaft 54 rotates.
As shown in Figure 1, pressure apparatus 7 includes fixed column 71, briquetting 72, pressing plate 73, slide bar 74 and bearing platform 75.It is fixed
Column 71 is cylindrical structure, axis vertical, and end face is fixed with 4 bottom center of crossbeam thereon.Briquetting 72 is rectangular plate knot
Structure is horizontally disposed with, and centre of surface is fixed with 71 bottom surface of fixed column thereon.Slide bar 74 is the rounded rod-like structure in section, under
End is slidably connected across 72 upper surface of briquetting and with briquetting 72, and the upper end is fixed with limited block 741.Limited block 741 is circle
Block structure, axis are overlapped with 74 axis of slide bar, and its bottom surface is fixed with 74 upper surface of slide bar.Pressing plate 73 is disk-shaped knot
Structure, end face is horizontal, and one end that end face is located at 72 downside of briquetting with slide bar 74 thereon is fixed.In addition, in 72 upper bottom surface of briquetting
The heart offers the rounded slot in section, is embedded with pressure sensor 721 in the slot.Bearing platform 75 is cylindrical structure, axis
It is overlapped with the axis of fixed column 71, and the bottom surface of bearing platform 75 is fixed with 1 upper surface of pedestal, for placing sample.When under crossbeam 4
When shifting, briquetting 72 is moved down, until the pressing plate 73 under briquetting 72 compresses the sample being placed on bearing platform 75, at this point, being set to pressure
The pressure sensor 721 of 72 bottom of block detects the reaction force on pressing plate 73, and pressure value suffered by sample is calculated.
As shown in Figure 1, protective device 8 includes guard ring 81, rising stem 82 and protective jacket 83.Guard ring 81 is square frame
Structure, frame section is rectangle, and guard ring 81 is horizontally placed on 1 upside of pedestal.Rising stem 82 is the rounded stock in section
Shape structure, the upper end pass through 1 inner roof wall of pedestal and fix with 81 bottom surface four corners of guard ring, and lower end is set in pedestal 1, and
Rising stem 82 is slidably connected with pedestal 1.Protective jacket 83 is the tubular structure that section is square, and length direction is vertical, and its material
For high strength elastic rubber.Protective jacket 83 is sheathed on bearing platform 75, outside the surrounding of the upper end surrounding inner sidewall and guard ring 81
Side wall is fixed, and lower end and pedestal 1 are fixed, so that the sample surrounding being placed on bearing platform 75 is isolated from the outside world.When under crossbeam 4
When moving to 72 upper surface of briquetting and flushing with 81 upper surface of guard ring, the surrounding inner sidewall of 72 surrounding side wall of briquetting and guard ring 81 is pasted
Merging is slidably connected, so that being isolated from the outside world on the upside of sample.
As shown in Figure 1, regulating device 9 includes rotor plate 91, driving plate 92, worm screw 93, handwheel 94, worm gear 95 and rotation
Axis 96.Rotor plate 91 is rectangular plate-like structure, is vertically arranged in pedestal 1, and its bottom surface is fixed with 1 inner bottom surface of pedestal.Driving
Plate 92 is square platy structure, is horizontally placed in pedestal 1, and its upper surface four corners is located in pedestal 1 with rising stem 82 respectively
One end fix.The axis horizontal of worm screw 93, one end and 61 side of fixed plate are rotatablely connected, and the other end is pierced by 1 inside of pedestal
Wall is simultaneously rotatablely connected with pedestal 1.The end face vertical of handwheel 94, end face middle part are located at one end outside pedestal 1 with worm screw 93 and fix.
Worm gear 95 is horizontally placed in pedestal 1, is engaged with worm screw 93.Rotation axis 96 is vertically arranged in pedestal 1, and lower end passes through worm gear
95 end face center is simultaneously fixed with worm gear 95, and the other end passes through driving plate 92 and extends to 1 inner roof wall of pedestal.Rotation axis 96 and driving
Plate 92 is threadedly coupled, and 96 upper end of rotation axis and 1 inner roof wall of pedestal are rotatablely connected, and when handwheel 94 rotates, worm screw 93 is rotated, band
Dynamic worm gear 95 rotates, so that rotation axis 96 rotates, drives driving plate 92 and moves straight up, so that rising stem 82 and guard ring
81 move up, so that protective jacket 83 completely cuts off the sample being placed on bearing platform 75.
When the present embodiment is in use, handwheel 94 rotates, and drives and moves to 81 upper surface of guard ring and briquetting 72 on guard ring 81
Upper surface flushes, and sample and extraneous isolation completely, avoid sample fragmentation when receiving pressure testing from popping up and hurt sb.'s feelings, guarantee at this time
The safety of operator.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of pressure testing machine is fixed including pedestal (1), the guide rod (2) being fixed on pedestal (1) and guide rod (2) top
Footstock (3), the crossbeam (4) for being sheathed on guide rod (2) and being slidably connected with guide rod (2), the transmission for driving crossbeam (4) mobile
Device (5), for the driving device (6) of driving transmission device (5), the pressure apparatus (7) for squeezing sample, for preventing sample
The protective device (8) that product fragmentation is popped up and the regulating device (9) for driving protective device (8) to open, it is characterized in that: described
Pressure apparatus (7) include the fixed column (71) for being fixed on crossbeam (4) bottom surface, the briquetting (72) fixed with fixed column (71) bottom surface with
And the bearing platform (75) fixed with pedestal (1) upper surface；The protective device (8) includes passing vertically through pedestal (1) and and pedestal
(1) it the rising stem (82) that is slidably connected, the guard ring (81) being fixed at the top of rising stem (82) and is sheathed on bearing platform (75)
Flexible protective jacket (83)；Described protective jacket (83) one end and the guard ring (81) are fixed, on the other end and pedestal (1)
Surface is fixed.
2. a kind of pressure testing machine according to claim 1, it is characterized in that: the regulating device (9) include horizontal through
Pedestal (1) side wall is simultaneously located at the fixed hand in the outer one end of pedestal (1) with the worm screw (93) of pedestal (1) rotation connection, with worm screw (93)
Wheel (94), the rotation axis (96) that is vertically arranged in pedestal (1) are sheathed on rotation axis (96) and fixed with rotation axis (96)
Turbine and be located at rising stem (82) pedestal (1) interior one end fixation driving plate (92)；The turbine and the worm screw (93)
Engagement；The rotation axis (96) passes through the driving plate (92) and is threadedly coupled with driving plate (92).
3. a kind of pressure testing machine according to claim 1, it is characterized in that: the pressure apparatus (7) further includes wearing vertically
Cross the briquetting (72) and be slidably connected with briquetting (72) slide bar (74), the pressing plate (73) fixed with slide bar (74) bottom surface and
The pressure sensor (721) being set between pressing plate (73) and briquetting (72)；The pressure sensor (721) is embedded at briquetting
(72) on bottom surface and fixed.
4. a kind of pressure testing machine according to claim 3, it is characterized in that: being fixed on the slide bar (74) prevents slide bar
(74) it is detached from the limited block (741) of the briquetting (72).
5. a kind of pressure testing machine according to claim 3, it is characterized in that: the briquetting (72) surrounding side wall is prevented with described
Guard ring (81) surrounding inner sidewall is slidably connected and is bonded.
6. a kind of pressure testing machine according to claim 2, it is characterized in that: the transmission device (5) includes being vertically arranged
Screw rod (51) between the footstock (3) and pedestal (1), is set the driven gear (52) being horizontally placed in footstock (3) vertically
Be placed in footstock (3) and with the driving shaft (54) of footstock (3) rotation connection and be sheathed on driving shaft (54) and and driving shaft
(54) fixed driving gear (53)；The screw rod (51) passes through the crossbeam (4) and is threadedly coupled with crossbeam (4), the silk
Bar (51) upper end passes through footstock (3) bottom surface and fixes in the middle part of the driven gear (52) bottom surface；The driving gear (53) with
Driven gear (52) engagement.
7. a kind of pressure testing machine according to claim 6, it is characterized in that: the screw rod (51) is equipped with two, and two
The screw rod (51) is each passed through crossbeam (4) both ends；Two driven gears (52) at the top of the screw rod (51) respectively with it is described
Driving gear (53) engagement.
8. a kind of pressure testing machine according to claim 6, it is characterized in that: the driving shaft (54) upper end passes through the top
Seat (3) is simultaneously rotatablely connected with footstock (3)；The driving device (6) includes the fixed plate (61) for being fixed on footstock (3) top, consolidates
Due on the motor (62), the driving wheel (63) fixed with motor (62) output shaft and driving shaft (54) on fixed plate (61) top
It holds fixed driven wheel (64) and both ends to be closed and successively bypasses the belt (65) of driving wheel (63) and driven wheel (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809886.4U CN209280470U (en) | 2018-11-03 | 2018-11-03 | A kind of pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821809886.4U CN209280470U (en) | 2018-11-03 | 2018-11-03 | A kind of pressure testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209280470U true CN209280470U (en) | 2019-08-20 |
Family
ID=67600169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821809886.4U Active CN209280470U (en) | 2018-11-03 | 2018-11-03 | A kind of pressure testing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN209280470U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487636A (en) * | 2019-09-27 | 2019-11-22 | 广东正粤检测科技有限公司 | A kind of concrete compressive strength detecting device and its detection method |
| CN114486496A (en) * | 2022-01-27 | 2022-05-13 | 南方海洋科学与工程广东省实验室(珠海) | Road surface accelerated loading test equipment |
| CN116124593A (en) * | 2023-04-14 | 2023-05-16 | 常州市慧宇建筑工程质量检测有限公司 | Universal experiment press with transmission device |
| CN116223266A (en) * | 2023-05-05 | 2023-06-06 | 四川善邦交大建设工程有限公司 | Hardness check out test set is used in steel construction production based on it is spacing |
-
2018
- 2018-11-03 CN CN201821809886.4U patent/CN209280470U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487636A (en) * | 2019-09-27 | 2019-11-22 | 广东正粤检测科技有限公司 | A kind of concrete compressive strength detecting device and its detection method |
| CN114486496A (en) * | 2022-01-27 | 2022-05-13 | 南方海洋科学与工程广东省实验室(珠海) | Road surface accelerated loading test equipment |
| CN114486496B (en) * | 2022-01-27 | 2024-04-12 | 南方海洋科学与工程广东省实验室(珠海) | Road surface acceleration loading test equipment |
| CN116124593A (en) * | 2023-04-14 | 2023-05-16 | 常州市慧宇建筑工程质量检测有限公司 | Universal experiment press with transmission device |
| CN116223266A (en) * | 2023-05-05 | 2023-06-06 | 四川善邦交大建设工程有限公司 | Hardness check out test set is used in steel construction production based on it is spacing |
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