CN111122284B - Wax device is gone into in assistance of pathology sample - Google Patents
Wax device is gone into in assistance of pathology sample Download PDFInfo
- Publication number
- CN111122284B CN111122284B CN202010066789.6A CN202010066789A CN111122284B CN 111122284 B CN111122284 B CN 111122284B CN 202010066789 A CN202010066789 A CN 202010066789A CN 111122284 B CN111122284 B CN 111122284B
- Authority
- CN
- China
- Prior art keywords
- circular plate
- flat plate
- half section
- cylinder
- rods
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000007170 pathology Effects 0.000 title description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000001575 pathological effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 239000004575 stone Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012326 endoscopic mucosal resection Methods 0.000 description 2
- 208000005156 Dehydration Diseases 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 238000012143 endoscopic resection Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012335 pathological evaluation Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000004876 tela submucosa Anatomy 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/36—Embedding or analogous mounting of samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
Abstract
The invention relates to a pathological specimen auxiliary wax-feeding device, which effectively solves the problems that the manual embedding of specimen strips wastes time and labor and has poor effect at present; the technical scheme includes that the device comprises a base, wherein a vertical cylinder is fixed on the base, the inner wall of the lower half section of the cylinder is a cylindrical surface, the inner wall of the upper half section of the cylinder is a spherical surface, a horizontal circular plate is installed in the cylinder, the side wall of the circular plate is attached to the spherical surface of the upper half section of the cylinder, the circular plate can rotate around the spherical center in all directions, water is filled in the lower half section of the cylinder, a plurality of vertical cylinders which are uniformly distributed on the circumference are fixed on the lower surface of the circular plate, the cylinders are made of light materials with density smaller than that of the water, the lower sections of the cylinders are all immersed in the water, locking screws penetrate through the upper part of the cylinder, the circular plate can be automatically leveled to serve as; the invention can simply and quickly realize high-quality embedding of the specimen strip, effectively improve the embedding efficiency and quality and reduce the work burden of medical personnel.
Description
Technical Field
The invention relates to the field of pathological specimen manufacturing, in particular to a pathological specimen auxiliary wax injection device.
Background
Endoscopic Submucosa Dissection (ESD)/Endoscopic Mucosal Resection (EMR) is the first method for treating early cancers of the digestive tract, and postoperative pathological evaluation of endoscopic resection specimens plays a very important guiding role in clinically making a next treatment scheme; the preparation of pathological specimens sequentially requires the following steps: washing a specimen, flattening and fixing the specimen, cutting the specimen, dehydrating the specimen, waxing the specimen and slicing.
In the above steps, the specimen is cut into strips, and then the strips are embedded in the wax block after dehydration treatment, and when embedding, the strips are required to be straight and not twisted, two ends of the strips are positioned in the same horizontal plane and not inclined, and when embedding a plurality of strips, a plurality of strips are required to be positioned in the same plane; medical personnel heats tweezers with the alcohol burner when embedding sample strip at present, then centre gripping sample strip melts the wax stone and buries the sample strip into the wax stone, by the meticulous adjustment of carrying out the sample strip of medical personnel, makes it be close above-mentioned ideal state as far as possible, this is an extremely harsh and hard work, and embedding speed is slow, and the embedding effect is uneven moreover.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the pathology specimen auxiliary wax-feeding device, which effectively solves the problems that the manual specimen embedding strip is time-consuming and labor-consuming at present and has poor effect.
The technical scheme includes that the wax device is assisted in entering pathological specimens, and comprises a base composed of supporting legs and a horizontal first flat plate, wherein a vertical cylinder is fixed at the center position of the upper surface of the first flat plate, the inner wall of the lower half section of the cylinder is a cylindrical surface, the inner wall of the upper half section of the cylinder is a spherical surface, a horizontal circular plate is installed in the cylinder, the side wall of the circular plate is a spherical surface identical to that of the upper half section of the cylinder, the side wall of the circular plate is attached to the spherical surface of the upper half section of the cylinder, the circular plate can rotate around the spherical center in all directions, water is filled in the lower half section of the cylinder, a plurality of vertical cylinders uniformly distributed on the circumference are fixed on the lower surface of the circular plate, the cylinders are made of light materials with density smaller than; a locking screw penetrates through the side wall of the upper half section of the cylinder body along the spherical radial direction, and the circular plate can be locked by the locking screw; a plurality of support rods are uniformly distributed on the circumference of the upper surface of the circular plate, a horizontal second flat plate is arranged above the first flat plate and is borne by the support rods, vertical first bolts penetrate through the first flat plate, and the first bolts can push the second flat plate upwards to be separated from the upper ends of the support rods; the upper surface of the second flat plate is provided with two vertical telescopic rods which are symmetrically arranged left and right, the upper end of each telescopic rod is provided with a clamp, and the clamps can move downwards along with the telescopic rods.
The invention can simply and quickly realize high-quality embedding of the specimen strip, effectively improve the embedding efficiency and quality and reduce the work burden of medical personnel.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a front sectional view showing the automatic leveling of the circular plate according to the present invention, and the dotted line represents a horizontal plane.
Fig. 3 is a front cross-sectional view of a second flat plate of the present invention after leveling, with the dashed line representing the horizontal plane.
Fig. 4 is a right side cross-sectional view of the present invention.
Fig. 5 is an enlarged view of the position a in fig. 1.
Fig. 6 is an enlarged view of the position B in fig. 5.
Fig. 7 is an enlarged view of the position C in fig. 3.
Fig. 8 is an enlarged view of the position D in fig. 7.
Fig. 9 is an enlarged view of the position E in fig. 1.
Fig. 10 is an enlarged view of the position F in fig. 4.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 10, the invention comprises a base composed of a support leg 1 and a horizontal first flat plate 2, wherein a vertical cylinder 3 is fixed at the center position of the upper surface of the first flat plate 2, the inner wall of the lower half section of the cylinder 3 is a cylindrical surface, the inner wall of the upper half section is a spherical surface, a horizontal circular plate 4 is installed in the cylinder 3, the side wall of the circular plate 4 is a spherical surface same as the upper half section of the cylinder 3, the side wall of the circular plate 4 is attached to the spherical surface of the upper half section of the cylinder 3, the circular plate 4 can rotate around the spherical center in all directions, water is filled in the lower half section of the cylinder 3, a plurality of vertical cylinders 5 uniformly distributed on the circumference are fixed on the lower surface of the circular plate 4, the cylinders 5 are made of a light material with density smaller than that of water; a locking screw 6 penetrates through the side wall of the upper half section of the cylinder 3 along the spherical radial direction, and the circular plate 4 can be locked by the locking screw 6; a plurality of support rods 7 are uniformly distributed on the circumference of the upper surface of the circular plate 4, a horizontal second plate 8 is arranged above the first plate 2, the second plate 8 is borne by the support rods 7, a vertical first bolt 9 penetrates through the first plate 2, and the first bolt 9 can push the second plate 8 upwards to separate from the upper ends of the support rods 7; the upper surface of the second flat plate 8 is provided with two vertical telescopic rods which are symmetrically arranged left and right, the upper end of each telescopic rod is provided with a clamp 10, and the clamp 10 can move downwards along with the telescopic rods.
The lower surface of the second flat plate 8 is fixed with a plurality of vertical first guide rods 11, the first flat plate 2 is provided with a plurality of vertical first guide holes 12 corresponding to the first guide rods 11 one by one, the lower end of each first guide rod 11 penetrates into the corresponding first guide hole 12, the diameter of each first guide hole 12 is larger than that of each first guide rod 11, and the first flat plate 2 is enabled not to slide and has certain movement allowance.
First flat board 2 and second flat board 8 between be connected with the first extension spring 13 of a plurality of circumference equipartitions to make the even effective contact in second flat board 8 lower surface and a plurality of bracing pieces 7 upper end.
The telescopic rod is formed by coaxially sleeving an inner rod 14 and an outer rod 15, the lower end of the outer rod 15 is fixed on the second flat plate 8, a pressure spring 16 is installed between the upper end of the inner rod 14 and the upper end of the outer rod 15, the inner rods 14 of the two telescopic rods can be compressed downwards at the same height, and therefore the two clamps 10 are located at the same height.
The upper end of each inner rod 14 is fixed with a horizontal screw rod 17, each screw rod 17 is sleeved with a sliding sleeve 18, the two clamps 10 are fixed on the two sliding sleeves 18 in a one-to-one correspondence mode and face downwards, each screw rod 17 is screwed with a first nut 19, the sliding sleeves 18 are located between the first nuts 19 and the inner rods 14, and the positions of the sliding sleeves 18 on the screw rods 17 can be adjusted by screwing the first nuts 19, so that the distance between the two clamps 10 is adjusted to be equal to the length of a specimen strip.
Each screw 17 is screwed with a second nut 20 positioned between the sliding sleeve 18 and the inner rod 14, each second nut 20 is fixed with a fixing rod 21 which faces downwards vertically, a horizontal electric heating wire 22 is connected between the lower ends of the two fixing rods 21, and the electric heating wire 22 is lower than the clamp 10; the heating wire 22 can enter the wax block before the specimen strip, melt the wax block, so that the specimen strip is embedded in the wax block, after the embedding is completed, the two second nuts 20 are slightly rotated, the heating wire 22 is moved away from the lower part of the specimen strip to the front side or the rear side, then the clamp 10 is loosened, and the clamp 10 and the heating wire 22 can be lifted out of the wax block.
A horizontal third flat plate 23 is arranged above the second flat plate 8, a second tension spring 24 is connected between the second flat plate 8 and the third flat plate 23, a plurality of vertical second guide rods 25 are fixed on the lower surface of the third flat plate 23, the second guide rods 25 penetrate through the second flat plate 8, a vertical second bolt 26 is screwed on the second flat plate 8, the upper end of the second bolt 26 abuts against the lower surface of the third flat plate 23, the height of the third flat plate 23 can be adjusted by screwing the second bolt 26, and the third flat plate 23 cannot be horizontally displaced by the second guide rods 25.
The inner wall of the upper half section of the cylinder 3 is provided with a blind hole 27 along the spherical radial direction, a press block 28 capable of sliding in the blind hole 27 is arranged in the blind hole 27, the inner side of the press block 28 is a spherical surface with the same radian as the side wall of the circular plate 4, and the inner end of the press bolt extends into the blind hole 27 and can push the press block 28 inwards, so that the press block 28 presses the side wall of the circular plate 4 to lock the circular plate 4.
The circular plate 4 and the supporting rod 7 are made of light materials with density smaller than that of water, so that the leveling can be performed more quickly.
When the device is used, the device is firstly placed on a workbench, the locking bolt is in an unlocked state, the first bolt 9 is rotated, the first bolt 9 pushes the second flat plate 8 upwards to separate the second flat plate from the upper ends of the support rods 7, the circular plate 4 is in a free state without load, at the moment, because the lower sections of the plurality of cylinder bodies 5 are all immersed in water, if the circular plate 4 deflects, the length of the body immersed in the water on one side is larger than that of the body immersed in the water on the other side, so that the buoyancy force borne by the cylinder body 5 on the lower side is larger than that on the other side, the circular plate 4 is unbalanced in stress, the lower side is pushed upwards under the action of the buoyancy force difference, the circular plate 4 rotates around the spherical center in the cylinder body 3 until the circular plate 4 is in a horizontal state, the lengths of the plurality of cylinder bodies 5 immersed in the water are the same, the circular plate 4 is in the horizontal state, and the locking, make briquetting 28 compress tightly the plectane 4 lateral wall, lock plectane 4 at the horizontality, the upper end of a plurality of bracing pieces 7 also is located same horizontal plane, then twist first bolt 9 downwards, make second flat board 8 push down in the upper end of a plurality of bracing pieces 7 under the effect of first extension spring 13, second flat board 8 and third flat board 23 all can be in horizontal position, provide a horizontally load-bearing platform for the wax stone, also provide a invariable benchmark for the embedding face of specimen strip, can avoid the wax stone to melt the back flow formation inclined plane or wax pearl simultaneously.
After the second flat plate 8 and the third flat plate 23 are adjusted to be horizontal, a wax block is placed on the third flat plate 23, two ends of a specimen strip are respectively clamped on the clamps 10 at the two ends, then the first nuts 19 are screwed to adjust the distance between the sliding sleeves 18 to straighten the specimen strip, then the electric heating wires 22 are electrified, the inner rods 14 of the two telescopic rods are simultaneously pressed downwards by two hands, the electric heating wires 22 and the specimen strip extend downwards into the wax block, the electric heating wires 22 enter the wax block in front of the specimen strip to melt the wax block, so that the specimen strip can be embedded into the wax block, after the embedding is completed, the two second nuts 20 are slightly rotated to move the electric heating wires 22 from the lower part of the specimen strip to the front side or the rear side, then the clamps 10 are loosened, the clamps 10 and 22 can be lifted out of the wax block, and then a new specimen strip is clamped to be embedded.
Because the distance that the two inner rods 14 can be pressed down is the same, the embedded depth of the two ends of the specimen strip is the same, and the specimen strip is in a straightening state, so that the specimen strip can be embedded into the wax block in a straight manner, the embedded depth of a plurality of specimen strips is the same, and the plurality of specimen strips are positioned in the same horizontal plane; when the embedding depth needs to be adjusted, the second bolt 26 is screwed to move the third plate 23 upward or downward, the embedding depth is increased if the third plate 23 is moved upward, and the embedding depth is decreased if the third plate 23 is moved downward.
According to the invention, the circular plate 4 and the second flat plate 8 are automatically leveled through the liquid level and the cylinder 5, a horizontal and stable reference surface can be always provided for embedding the specimen strip, and the ideal effects that a single straight part is realized and a plurality of parts are positioned in the same horizontal plane can be achieved when the specimen strip is embedded by matching with the constant compressible amount of the two telescopic rods.
Claims (4)
1. The wax device is characterized by comprising a base consisting of supporting legs (1) and a horizontal first flat plate (2), wherein a vertical barrel (3) is fixed at the central position of the upper surface of the first flat plate (2), the inner wall of the lower half section of the barrel (3) is a cylindrical surface, the inner wall of the upper half section of the barrel is a spherical surface, a horizontal circular plate (4) is installed in the barrel (3), the side wall of the circular plate (4) is a spherical surface identical to the upper half section of the barrel (3), the side wall of the circular plate (4) is attached to the spherical surface of the upper half section of the barrel (3), the circular plate (4) can rotate around the spherical center in each direction, water is filled in the lower half section of the barrel (3), a plurality of vertical cylinders (5) which are uniformly distributed on the circumference are fixed on the lower surface of the circular plate (4), the cylinders (5) are made of light materials of which the density is less than that of water, and the lower sections of the cylinders; a locking screw (6) penetrates through the side wall of the upper half section of the cylinder body (3) along the spherical radial direction, and the circular plate (4) can be locked by the locking screw (6); a plurality of supporting rods (7) are uniformly distributed on the circumference of the upper surface of the circular plate (4), a horizontal second flat plate (8) is arranged above the first flat plate (2), the second flat plate (8) is borne by the supporting rods (7), a vertical first bolt (9) penetrates through the first flat plate (2), and the second flat plate (8) can be pushed upwards by the first bolt (9) to be separated from the upper ends of the supporting rods (7); the upper surface of the second flat plate (8) is provided with two vertical telescopic rods which are symmetrically arranged left and right, the upper end of each telescopic rod is provided with a clamp (10), and the clamps (10) can move downwards along with the telescopic rods;
a plurality of vertical first guide rods (11) are fixed on the lower surface of the second flat plate (8), a plurality of vertical first guide holes (12) which correspond to the first guide rods (11) one by one are formed in the first flat plate (2), the lower end of each first guide rod (11) penetrates into the corresponding first guide hole (12), and the diameter of each first guide hole (12) is larger than that of each first guide rod (11);
the telescopic rods are formed by coaxially sleeving an inner rod (14) and an outer rod (15), the lower end of the outer rod (15) is fixed on the second flat plate (8), a pressure spring (16) is arranged between the upper end of the inner rod (14) and the upper end of the outer rod (15), and the inner rods (14) of the two telescopic rods can be compressed downwards to the same height;
the upper end of each inner rod (14) is fixed with a horizontal screw (17), each screw (17) is sleeved with a sliding sleeve (18), two clamps (10) are fixed on the two sliding sleeves (18) in a one-to-one correspondence mode and face downwards, each screw (17) is screwed with a first nut (19), the sliding sleeves (18) are located between the first nuts (19) and the inner rods (14), and the positions of the sliding sleeves (18) on the screws (17) can be adjusted by screwing the first nuts (19);
each screw (17) is screwed with a second nut (20) positioned between the sliding sleeve (18) and the inner rod (14), each second nut (20) is fixed with a fixing rod (21) which faces downwards vertically, a horizontal electric heating wire (22) is connected between the lower ends of the two fixing rods (21), and the electric heating wire (22) is lower than the clamp (10);
dull and stereotyped (8) top of second be equipped with a horizontally third flat board (23), be connected with second extension spring (24) between second flat board (8) and third flat board (23), third flat board (23) lower surface is fixed with a plurality of vertical second guide bars (25), second guide bar (25) pass second flat board (8), second flat board (8) top spin is equipped with a vertical second bolt (26), the lower surface of third flat board (23) is withstood to second bolt (26) upper end, twist the height of the adjustable third flat board (23) of second bolt (26).
2. The wax device is assisted to pathological specimen according to claim 1, wherein a plurality of first tension springs (13) are connected between the first flat plate (2) and the second flat plate (8) and are evenly distributed on the circumference.
3. The wax device is assisted to enter pathological specimens according to claim 1, wherein the inner wall of the upper half section of the cylinder body (3) is provided with a blind hole (27) along the spherical radial direction, a pressing block (28) capable of sliding in the blind hole (27) is installed in the blind hole, the inner side of the pressing block (28) is a spherical surface with the same radian as the side wall of the circular plate (4), and the inner end of the pressing bolt extends into the blind hole (27) and can push the pressing block (28) inwards, so that the pressing block (28) presses the side wall of the circular plate (4) to lock the circular plate (4).
4. The wax device is assisted by a pathological specimen according to claim 1, wherein the circular plate (4) and the support rod (7) are both made of light materials with density less than that of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066789.6A CN111122284B (en) | 2020-01-20 | 2020-01-20 | Wax device is gone into in assistance of pathology sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010066789.6A CN111122284B (en) | 2020-01-20 | 2020-01-20 | Wax device is gone into in assistance of pathology sample |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111122284A CN111122284A (en) | 2020-05-08 |
| CN111122284B true CN111122284B (en) | 2020-12-29 |
Family
ID=70491587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010066789.6A Expired - Fee Related CN111122284B (en) | 2020-01-20 | 2020-01-20 | Wax device is gone into in assistance of pathology sample |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111122284B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678760B (en) * | 2020-06-24 | 2024-01-05 | 武汉医佳宝生物材料有限公司 | Bone specimen decalcification post-treatment device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057033A (en) * | 2016-08-24 | 2016-10-26 | 叶倩倩 | Buoyancy teaching demonstration structure |
| CN208206518U (en) * | 2018-05-10 | 2018-12-07 | 王晓艳 | A kind of medical Pathologic specimen slicing device |
| CN109612770A (en) * | 2019-02-25 | 2019-04-12 | 苏州大学附属第医院 | A kind of sampling device of histopathology sample |
-
2020
- 2020-01-20 CN CN202010066789.6A patent/CN111122284B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057033A (en) * | 2016-08-24 | 2016-10-26 | 叶倩倩 | Buoyancy teaching demonstration structure |
| CN208206518U (en) * | 2018-05-10 | 2018-12-07 | 王晓艳 | A kind of medical Pathologic specimen slicing device |
| CN109612770A (en) * | 2019-02-25 | 2019-04-12 | 苏州大学附属第医院 | A kind of sampling device of histopathology sample |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111122284A (en) | 2020-05-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111122284B (en) | Wax device is gone into in assistance of pathology sample | |
| CN109115608A (en) | A kind of more size adjustable rock cleavage test boxs and method | |
| CN208907871U (en) | A kind of more size adjustable rock cleavage test boxs | |
| CN112189472A (en) | Grafting auxiliary device for fruit tree planting | |
| CN109159054A (en) | A kind of plug fixture for processing | |
| CN203816685U (en) | Novel clamping device of experimental apparatus | |
| CN215263033U (en) | Concrete permeameter | |
| CN110895220B (en) | Pathological specimen embedding device | |
| CN108838680A (en) | A kind of efficient tubular object extruding device | |
| DE102016205554B4 (en) | Mandrel device for a block molding machine, block molding machine and method for producing shaped blocks | |
| CN111562183A (en) | Outer wall insulation board shock resistance check out test set | |
| CN209117538U (en) | A kind of concrete impervious device | |
| CN207066884U (en) | A kind of concrete axial breaks experiment test block mould | |
| CN112255081B (en) | A relaxation test device for steel strand wires | |
| CN107345877A (en) | A kind of concrete axial breaks experiment test block mould | |
| CN203031459U (en) | Vertical honing flat floating fixture | |
| CN215038689U (en) | Demoulding machine | |
| CN207447531U (en) | A kind of die head threading machine clamping positioning mechanism and die head threading machine | |
| CN206869420U (en) | A kind of press-fited nut device with automatic straightening axiality function | |
| CN205607736U (en) | A coal petrography sample making devices for mechanical properties and permeability test | |
| CN213580329U (en) | Precession fluid pressure type double-purpose triaxial system appearance ware | |
| CN213496919U (en) | Square pipe bending device | |
| CN211679441U (en) | Clamping device of hydraulic pipe bending machine | |
| CN211317983U (en) | Pressure testing machine | |
| CN219694732U (en) | Clamp for pipeline hydrostatic test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |