CN213068490U - Lengthening type tensile testing machine with prolonged service life - Google Patents
Lengthening type tensile testing machine with prolonged service life Download PDFInfo
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- CN213068490U CN213068490U CN202021849329.2U CN202021849329U CN213068490U CN 213068490 U CN213068490 U CN 213068490U CN 202021849329 U CN202021849329 U CN 202021849329U CN 213068490 U CN213068490 U CN 213068490U
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Abstract
The application relates to an increase life's elongated tensile test machine belongs to tensile test machine technical field, and it includes the organism, is equipped with the frame on the organism, is connected with lower fixing base in the frame, is equipped with down clamping device, its characterized in that on the lower fixing base: lower clamping device includes holder and two grip blocks down, the wedge groove has been seted up on the holder down, can dismantle on the inclined plane in wedge groove and be connected with the fixed plate, form the spout between fixed plate and the wedge inslot wall, sliding connection has the slider in the spout, two grip blocks inlay in the wedge inslot respectively with two slider fixed connection, the grip block is connected with the drive arrangement of drive grip block centre gripping test piece, the top lid of spout is equipped with keeps off the bits board, keep off the one end and the lower holder fixed connection of bits board, the other end is connected with the grip block. This application has the reduction and drops to the fixed plate and the clastic effect in lower holder gap.
Description
Technical Field
The application relates to the field of tensile testing machines, in particular to an elongated tensile testing machine with prolonged service life.
Background
In building structural materials, reinforcing steel bars are an important component, and the safety of the structure is directly influenced by the performance of the reinforcing steel bars. Therefore, the steel bars need to be subjected to necessary performance tests before being used in engineering construction. The mechanical properties of steel bars are generally measured by a tensile testing machine for steel bars.
At present, the existing chinese patent with reference to publication No. CN207586013U discloses a steel bar tensile testing machine, which includes a base, a clamping device welded on the base, and a lifting device for stretching. The clamping device comprises a lower clamping seat and a lower steel bar anchoring mechanism arranged in the lower clamping seat. The face that lower holder and lower steel bar anchor mechanism contact sets up to the inclined plane, and lower steel bar anchor mechanism slides the fixation chuck spare of being connected including setting up backing plate in lower holder, fixed plate on the holder down through fixing bolt and with the fixed plate, fixation chuck spare bottom mounting on the backing plate. The bottom of backing plate is connected with the pneumatic cylinder, and the pneumatic cylinder sets up in the inside of lower holder. One side of the fixed chuck piece is provided with a steel bar chuck, and a clamping groove for clamping a steel bar is arranged on the steel bar chuck. Arrange the tip of reinforcing bar in the draw-in groove to make the tip and the backing plate butt of reinforcing bar, the backing plate of jack-up that the pneumatic cylinder makes progress, backing plate promotion fixation clamp spare upwards moves along the slope of holder down between fixed plate and lower holder, makes the reinforcing bar chuck be close to simultaneously, thereby fixes the reinforcing bar centre gripping.
In view of the above-mentioned related art, the inventor believes that there is a defect that debris generated in the process of stretching the steel bar easily falls into between the fixing plate and the lower clamping seat, thereby affecting the sliding of the fixing clamp head piece, affecting the stability of clamping the steel bar, and further affecting the service life of the tensile testing machine.
SUMMERY OF THE UTILITY MODEL
In order to reduce the piece that drops to fixed plate and lower holder gap, this application provides an increase tensile testing machine of increase of service life.
The application provides an increase of service life's extension tensile testing machine adopts following technical scheme:
the utility model provides an increase life's extension tensile test machine, includes the organism, is equipped with the frame on the organism, is connected with lower fixing base in the frame, is equipped with down clamping device, its characterized in that on the lower fixing base: lower clamping device includes holder and two grip blocks down, the wedge groove has been seted up on the holder down, can dismantle on the inclined plane in wedge groove and be connected with the fixed plate, form the spout between fixed plate and the wedge inslot wall, sliding connection has the slider in the spout, two grip blocks inlay in the wedge inslot respectively with two slider fixed connection, the grip block is connected with the drive arrangement of drive grip block centre gripping test piece, the top lid of spout is equipped with keeps off the bits board, keep off the one end and the lower holder fixed connection of bits board, the other end is connected with the grip block.
Through adopting above-mentioned technical scheme, during the tensile strength of survey reinforcing bar, arrange the reinforcing bar in between two grip blocks, then, drive arrangement drive grip block moves along the spout for two grip blocks are close to each other fixedly with the reinforcing bar centre gripping. The position that the chip blocking plate is located the top of spout shelters from the spout, reduces the condition that the piece falls into the spout to guarantee the smooth and easy nature that the slider removed, and then increase the stability of grip block centre gripping reinforcing bar.
Preferably, the chip blocking plate is made of flexible materials.
Through adopting above-mentioned technical scheme, when the grip block rebound centre gripping reinforcing bar, can drive and keep off bits board rebound, the smooth and easy nature of grip block rebound can be guaranteed to the fender bits board of flexible material, avoids keeping off bits board to produce the interference to the removal of grip block to can keep off the bits board and shelter from under the clastic condition guaranteeing, make the grip block can the centre gripping reinforcing bar.
Preferably, the bottom surface of keeping off the bits board has seted up the sliding tray, and sliding tray sliding connection has the sliding block, is connected with the telescopic link between sliding block and the grip block.
By adopting the technical scheme, the clamping block moves in the horizontal direction while moving upwards. When the grip block rebound, the telescopic link is compressed, and the sliding block moves along the sliding tray simultaneously, keeps keeping off under the circumstances of bits board horizontal position throughout, can guarantee grip block rebound and centre gripping reinforcing bar. And keep off the bits board and be in horizontal position all the time, can reduce the condition of the piece landing to the frame that drops on keeping off the bits board to be convenient for clear up the sweeps.
Preferably, the telescopic link includes a fixed cylinder and a sliding rod, one end of the fixed cylinder is fixedly connected with the clamping block, one end of the sliding rod is inserted into the fixed cylinder and is slidably connected with the fixed cylinder, and the other end of the sliding rod is fixedly connected with the sliding block.
Through adopting above-mentioned technical scheme, when the grip block reciprocated, the slide bar slided along fixed section of thick bamboo to adjust the distance between grip block and the fender bits board, thereby keeping fender bits board in the horizontal position under, make the grip block reciprocate, so that the centre gripping reinforcing bar or remove the centre gripping to the reinforcing bar. When the piece on the fender bits board is cleared up to needs, the fixing of fender bits board and lower holder is removed to the rebound keeps off the bits board, makes break away from in slide bar and the fixed cylinder, will keep off the bits board and take off, conveniently clears up the piece on the fender bits board.
Preferably, one side of the scrap blocking plate close to the clamping block is fixedly connected with a soft reinforcing plate, and the reinforcing plate is abutted to the top surface of the clamping block.
Through adopting above-mentioned technical scheme, the reinforcing plate shelters from the side of spout, and the further piece that splashes to in the spout that reduces improves and keeps off the bits effect. In addition, the soft reinforcing plate does not interfere with the movement of the clamping block.
Preferably, the top surface of the chip blocking plate is fixedly connected with a chip collecting plate, and the chip collecting plate is arranged around the chip blocking plate in a surrounding mode.
Through adopting above-mentioned technical scheme, collection bits board shelters from the piece that falls on keeping off the bits board, reduces the piece that falls into on keeping off the bits board and from keeping off the bits board landing, further reduces the piece that drops to in the frame, improves the clastic efficiency of clearance.
Preferably, clamping grooves with different diameters are formed in the side, close to each other, of each clamping block.
Through adopting above-mentioned technical scheme, set up the centre gripping groove of different diameters, be convenient for to the reinforcing bar centre gripping of different diameters fixed, improve the stability of centre gripping reinforcing bar to improve measuring accuracy.
Preferably, be equipped with transparent material's guard plate in the frame, one side and the frame of guard plate are articulated, are equipped with locking Assembly between opposite side and the frame.
Through adopting above-mentioned technical scheme, transparent material's guard plate can play the protecting effect on the one hand, and the piece injury operating personnel that splashes when reducing the reinforcing bar fracture, on the other hand, the operating personnel of being convenient for observe the test process of reinforcing bar, ensure that the organism can normally test, improve measuring accuracy.
Preferably, the locking subassembly includes dwang and check lock lever, the one end and the frame fixed connection of check lock lever, and the other end upwards buckles and leaves the clearance between the frame, and the one end and the guard plate of dwang are articulated, and the other end inlays between check lock lever and frame.
Through adopting above-mentioned technical scheme, during survey reinforcing bar mechanical properties, rotate the guard plate in order to shelter from the operation mouth, then, inlay the dwang between check lock lever and frame, it is fixed with the guard plate, increase the stability of guard plate, improve the protecting effect. In addition, through dwang and locking lever locking guard plate, simple structure, the operation of being convenient for.
In summary, the present application includes at least one of the following beneficial technical effects:
due to the arrangement of the scrap baffle, scraps falling into the sliding groove are reduced, the normal sliding of the sliding block is ensured, and the stability of the clamping block for clamping the reinforcing steel bar is improved;
the sliding block, the sliding groove and the telescopic rod are matched, so that the clamping block can be guaranteed to move upwards and clamp the reinforcing steel bar under the condition that the horizontal position of the scrap blocking plate is always kept, the condition that scraps falling onto the scrap blocking plate slide onto the rack is reduced, and the scraps can be conveniently cleaned;
the piece that collection bits board was fallen on keeping off the bits board shelters from, further reduces the piece that slides on keeping off the bits board, further reduces the piece that drops to in the frame, improves the clastic efficiency of clearance.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.
Fig. 2 is a schematic structural diagram of a hidden protection plate in embodiment 1 of the present application.
Fig. 3 is a partially enlarged view of a portion a in fig. 1.
Fig. 4 is a partial structural view intended to show the chip retainer in embodiment 2.
Fig. 5 is a partial structural sectional view intended to show the telescopic bar in embodiment 2.
Fig. 6 is a partial structural sectional view intended to show a spring in embodiment 2.
Description of reference numerals: 1. a body; 2. a frame; 21. an upper fixed seat; 211. an upper clamping device; 22. a lower fixed seat; 221. a sliding groove; 23. lifting a screw rod; 24. an operation port; 25. a protection plate; 3. a base; 4. a lower clamping device; 41. a lower clamping seat; 411. a wedge-shaped groove; 412. a fixing plate; 413. a chute; 414. a slider; 42. a clamping block; 421. a clamping groove; 5. a baffle plate; 51. locking the bolt; 52. a containing groove; 53. a lengthening plate; 54. a spring; 6. a locking assembly; 61. rotating the rod; 62. a locking lever; 7. a drive device; 71. a drive plate; 72. a driving cylinder; 8. a chip blocking plate; 81. a sliding groove; 82. a slider; 83. a reinforcing plate; 84. a chip collecting plate; 9. a telescopic rod; 91. a fixed cylinder; 92. a slide bar.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
Example 1:
referring to fig. 1, the embodiment of the application discloses an extension type tensile testing machine with prolonged service life, which comprises a machine body 1, wherein the machine body 1 comprises a base 3, and a rack 2 is fixedly connected to the base 3. Combine fig. 2, fixing base 21 on the top fixedly connected with of frame 2, it is connected with clamping device 211 to go up fixing base 21 bottom surface, it is equipped with down fixing base 22 to go up fixing base 21 below, fixing base 22 top surface is connected with down clamping device 4 down, lower fixing base 22 threaded connection has elevating screw 23, elevating screw 23 is vertical to be equipped with two, the bottom rotates with base 3 to be connected, the top rotates with 2 tops of frame to be connected, elevating screw 23 is connected with its pivoted driving piece of drive, the driving piece is driving motor (not shown in the figure), driving motor and 3 fixed connection of base. This application is extension type tensile testing machine, can test 2 meters reinforcing bar, because the organism height is higher, generally offers the recess on ground, arranges the base in the recess.
When the reinforcing steel bar is tested, the upper clamping device 211 and the lower clamping device 4 are respectively adopted to clamp two ends of the reinforcing steel bar, and then the driving motor drives the lifting screw 23 to rotate, so that the lower fixing seat 22 drives the lower clamping device 4 to move downwards, and the tensile property of the reinforcing steel bar is tested.
With reference to fig. 2 and 3, the frame 2 includes two vertically disposed supporting plates, the bottom ends of the supporting plates are fixedly connected to the base 3, a distance is left between the supporting plates, the upper fixing seat 21 and the lower fixing seat 22 are located between the two supporting plates, and an operation opening 24 is formed between the two supporting plates. The operation opening 24 department is equipped with the guard plate 25 of toughened glass material, and the vertical setting of guard plate 25, one side is articulated with one of them backup pad, is connected with locking Assembly 6 between the other end and another backup pad.
Referring to fig. 3, the locking assembly 6 includes a rotating rod 61 and a locking rod 62, the locking rod 62 is horizontally disposed, one end of the locking rod is fixedly connected with the supporting plate, and the other end of the locking rod is bent upwards to leave a space between the locking rod and the supporting plate. The rotating rod 61 is horizontally arranged, one end of the rotating rod is rotatably connected with the protection plate 25, and the other end of the rotating rod is embedded between the support plate and the locking rod 62.
Referring to fig. 4, the lower clamping device 4 includes a lower clamping seat 41 and two clamping blocks 42, the lower clamping seat 41 is fixedly connected to the top surface of the lower fixing seat 22, a wedge-shaped slot 411 is formed in the top surface of the lower clamping seat 41, and the wedge-shaped slot 411 penetrates through the width of the lower clamping seat 41. Four fixing plates 412 are arranged in the wedge-shaped slot 411, and the four fixing plates 412 are respectively positioned at four corners of the wedge-shaped slot 411. The fixing plate 412 is disposed in an inclined manner, the inclined direction of the fixing plate is the same as the inclined direction of the inclined surface of the wedge-shaped slot 411, one end of the fixing plate 412 is fixedly connected with the inner wall of the wedge-shaped slot 411, and the other end of the fixing plate 412 is bent toward the center of the wedge-shaped slot 411. A T-shaped sliding groove 413 is formed between the two fixing plates 412 on the same inner wall of the wedge-shaped groove 411 and the inner wall of the wedge-shaped groove 411. A T-shaped sliding block 414 is slidably connected with the sliding groove 413. The clamping blocks 42 are located in the wedge-shaped slot 411, and the two clamping blocks 42 are respectively fixedly connected with the two sliding blocks 414. Three clamping grooves 421 are vertically formed in one side, close to each other, of each of the two clamping blocks 42, each clamping groove 421 is semicircular, and the diameter of each clamping groove 421 is sequentially increased along the length direction of each clamping block 42. The bottom of the clamping block 42 is provided with a driving device 7 for driving the clamping block 42 to move upwards.
Referring to fig. 4, the driving device 7 includes a driving plate 71 and a driving cylinder 72, the driving plate 71 is located on the bottom surface of the clamping block 42 and is slidably connected to the clamping block 42, the driving cylinder 72 is located below the driving plate 71 and is fixedly connected to the lower fixing seat 22, and a piston rod of the driving cylinder 72 passes through the lower clamping seat 41 and is fixedly connected to the driving plate 71. The upper clamp 211 is identical in construction to the lower clamp 4.
Referring to fig. 4, a chip blocking plate 8 made of a soft material is disposed on the top surface of the lower holder 41, the chip blocking plate 8 is horizontally disposed, one end of the chip blocking plate is detachably connected to the lower holder 41, the other end of the chip blocking plate extends above the clamping block 42 and is fixedly connected to the clamping block 42, and the length of the chip blocking plate 8 is the same as the width of the lower holder 41 so as to block the sliding groove 413.
The application embodiment 1 of the application of the lengthening tensile testing machine with the service life prolonged has the following implementation principle: when clamping the reinforcing steel bar, the reinforcing steel bar is placed between the two clamping blocks 42 and is placed in the clamping groove 421 corresponding to the diameter of the reinforcing steel bar; then, the driving cylinder 72 is driven to move the driving plate 71 upward, so that the driving plate 71 drives the clamping blocks 42 to move along the sliding grooves 413, and the clamping blocks 42 move downward and approach each other to clamp and fix the reinforcing steel bars. Similarly, the top end of the steel bar is clamped through the upper clamping device 211; then, the driving motor drives the elevating screw 23 to move downwards, so as to test the tensile strength of the steel bar. In the testing process, keep off bits board 8 and shelter from the piece, reduce the piece that drops to in the spout 413 to guarantee the normal slip of slider 414, and then be convenient for grip block 42 centre gripping reinforcing bar, and guarantee the stability to the reinforcing bar centre gripping.
Example 2:
referring to fig. 4 and 5, a prolonged tensile testing machine, which is different from embodiment 1, is that a chip blocking plate 8 is made of hard material, the chip blocking plate 8 is horizontally disposed, one end of the chip blocking plate 8 is fixedly connected to a lower holder 41 through a bolt, and a telescopic rod 9 is connected between the other end of the chip blocking plate and the top surface of a clamping block 42. The telescopic rod 9 comprises a fixed cylinder 91 and a sliding rod 92, the fixed cylinder 91 is vertically arranged, the bottom end of the fixed cylinder is fixedly connected with the top surface of the clamping block 42, the sliding rod 92 is vertically arranged, the bottom end of the sliding rod is inserted into the fixed cylinder 91 and is slidably connected with the fixed cylinder 91, and the top end of the sliding rod is slidably connected with the bottom surface of the chip blocking plate 8.
Referring to fig. 5, a sliding groove 81 is formed in the bottom surface of the chip blocking plate 8, the longitudinal section of the sliding groove 81 is T-shaped, the length direction of the sliding groove 81 is the same as the length direction of the lower holder 41, a T-shaped sliding block 82 matched with the sliding groove 81 is slidably connected in the sliding groove 81, and the sliding block 82 is fixedly connected with the top end of the sliding rod 92.
Referring back to fig. 4, a rectangular frame-shaped scrap collecting plate 84 is arranged around the scrap blocking plate 8, the scrap collecting plate 84 is fixedly connected with the scrap blocking plate 8, one side of the scrap blocking plate 8, which is close to the clamping groove 421, is fixedly connected with a vertical reinforcing plate 83, the reinforcing plate 83 is made of a soft material, the top end of the reinforcing plate 83 is fixedly connected with the scrap blocking plate 8, and the bottom end of the reinforcing plate is abutted to the top surface of the clamping block 42.
With reference to fig. 2 and 4, a baffle 5 is arranged between the scrap baffle 8 and the lifting screw 23, the baffle 5 is vertically arranged, and the baffle 5 is arc-shaped and coaxial with the lifting screw 23. The curved groove 221 that slides that supplies baffle 5 male is seted up to lower fixing base 22 top surface, and the bottom of baffle 5 inserts in the groove 221 that slides and lower fixing base 22 sliding connection. Be connected with the retaining member between baffle 5 and the lower fixing base 22, the retaining member is locking bolt 51, locking bolt 51 and lower fixing base 22 threaded connection, and the one end of locking bolt 51 stretches into in the groove 221 that slides and closely the butt with baffle 5.
With reference to fig. 2 and 6, the top surface of the baffle 5 is provided with an arc-shaped holding groove 52 coaxial with the baffle 5, the holding groove 52 is internally and slidably connected with an arc-shaped elongated plate 53, the elongated plate 53 is coaxial with the baffle 5, and the top end of the elongated plate 53 is abutted to the bottom surface of the upper fixing seat 21. An elastic member is connected between the bottom surface of the elongated plate 53 and the bottom surface of the storage tank 52. The elastic component is a spring 54, the extension direction of the spring 54 is vertical, the top end is fixedly connected with the bottom surface of the lengthened plate 53, and the bottom end is fixedly connected with the bottom surface of the containing groove 52. The top surface of the baffle 5 is an inclined surface, and the side far away from the elongated plate 53 is inclined downwards.
The application embodiment 2 of the application is that an elongated tensile testing machine's of increase of life implementation principle does: when clamping the reinforcing steel bar, the reinforcing steel bar is placed between the two clamping blocks 42 and is placed in the clamping groove 421 corresponding to the diameter of the reinforcing steel bar; then, drive cylinder 72 and make drive plate 71 rebound to make drive plate 71 drive grip block 42 remove along spout 413, make grip block 42 rebound and be close to each other, grip block 42 rebound drives fixed section of thick bamboo 91 rebound, thereby insert slide bar 92 in the fixed section of thick bamboo 91, and simultaneously, slide bar 92 drives sliding block 82 and removes along spout 413, avoids grip block 42 to keep off bits board 8 jack-up, guarantees to keep off bits board 8 and is in horizontal position, reduces the condition that the piece dropped in keeping off bits board 8. In tensile process, baffle 5 and extension plate 53 cooperation shelter from the piece, reduce the piece that splashes to lifting screw 23 on, improve the smoothness nature when fixing base 22 removes down to lifting screw 23's life is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an increase life's elongated tensile test machine, includes organism (1), is equipped with frame (2) on organism (1), is connected with down fixing base (22) on frame (2), is equipped with down clamping device (4) on lower fixing base (22), its characterized in that: lower clamping device (4) are including holder (41) and two grip blocks (42) down, wedge groove (411) have been seted up on holder (41) down, fixedly connected with fixed plate (412) on the inclined plane of wedge groove (411), form spout (413) between fixed plate (412) and wedge groove (411) inner wall, sliding connection has slider (414) in spout (413), two grip blocks (42) inlay respectively with two slider (414) fixed connection in wedge groove (411), grip block (42) are connected with drive grip block (42) centre gripping test piece's drive arrangement (7), the top lid of spout (413) is equipped with fender bits board (8), the one end and the lower holder (41) of fender bits board (8) can be dismantled and be connected, the other end is connected with grip block (42).
2. An extended life tensile tester according to claim 1, wherein: the scrap blocking plate (8) is made of flexible materials and is used as the scrap blocking plate (8).
3. An extended life tensile tester according to claim 1, wherein: sliding groove (81) have been seted up to the bottom surface of keeping off bits board (8), sliding connection has sliding block (82) in sliding groove (81), is connected with telescopic link (9) between sliding block (82) and grip block (42).
4. An extended life tensile tester according to claim 3, wherein: the telescopic rod (9) comprises a fixed cylinder (91) and a sliding rod (92), one end of the fixed cylinder (91) is fixedly connected with the clamping block (42), one end of the sliding rod (92) is inserted into the fixed cylinder (91) and is slidably connected with the fixed cylinder (91), and the other end of the sliding rod is fixedly connected with the sliding block (82).
5. An extended life tensile tester according to claim 1, wherein: one side of the chip blocking plate (8) close to the clamping block (42) is fixedly connected with a soft reinforcing plate (83), and the reinforcing plate (83) is abutted against the top surface of the clamping block (42).
6. An extended life tensile tester according to claim 1, wherein: the top surface of the chip blocking plate (8) is fixedly connected with a chip collecting plate (84), and the chip collecting plate (84) is arranged around the chip blocking plate (8).
7. An extended life tensile tester according to claim 1, wherein: clamping grooves (421) with different diameters are formed in the mutually close sides of the clamping blocks (42).
8. An extended life tensile tester according to claim 1, wherein: the protective plate (25) made of transparent materials is arranged on the rack (2), one side of the protective plate (25) is hinged to the rack (2), and a locking assembly (6) is arranged between the other side of the protective plate and the rack (2).
9. An extended life tensile tester according to claim 8, wherein: locking Assembly (6) are including dwang (61) and check lock lever (62), the one end and frame (2) fixed connection of check lock lever (62), and the other end upwards buckles and leaves the clearance between frame (2), and the one end and guard plate (25) of dwang (61) are articulated, and the other end inlays between check lock lever (62) and frame (2).
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CN202021849329.2U CN213068490U (en) | 2020-08-29 | 2020-08-29 | Lengthening type tensile testing machine with prolonged service life |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116558965A (en) * | 2023-06-02 | 2023-08-08 | 广东金铝轻合金股份有限公司 | Aluminum alloy solid bar tensile force testing machine |
CN116963442A (en) * | 2023-09-19 | 2023-10-27 | 四川建诚智造科技有限公司 | Power cabinet |
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2020
- 2020-08-29 CN CN202021849329.2U patent/CN213068490U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN116558965A (en) * | 2023-06-02 | 2023-08-08 | 广东金铝轻合金股份有限公司 | Aluminum alloy solid bar tensile force testing machine |
CN116558965B (en) * | 2023-06-02 | 2023-11-14 | 广东金铝轻合金股份有限公司 | Aluminum alloy solid bar tensile force testing machine |
CN116963442A (en) * | 2023-09-19 | 2023-10-27 | 四川建诚智造科技有限公司 | Power cabinet |
CN116963442B (en) * | 2023-09-19 | 2023-12-26 | 四川建诚智造科技有限公司 | Power cabinet |
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