CN113376312A - Height-adjustable positioning combustion device of combustion testing machine - Google Patents
Height-adjustable positioning combustion device of combustion testing machine Download PDFInfo
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- CN113376312A CN113376312A CN202110639240.6A CN202110639240A CN113376312A CN 113376312 A CN113376312 A CN 113376312A CN 202110639240 A CN202110639240 A CN 202110639240A CN 113376312 A CN113376312 A CN 113376312A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 57
- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 239000007921 spray Substances 0.000 claims abstract description 11
- 230000002457 bidirectional effect Effects 0.000 claims description 11
- 230000000712 assembly Effects 0.000 description 16
- 238000000429 assembly Methods 0.000 description 16
- 239000007787 solid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
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Abstract
The invention relates to the technical field of combustion testing machines, in particular to a height-adjustable positioning combustion device of a combustion testing machine, which comprises a mounting plate, a sliding table, a first upright post, an upper clamping arm, a lower clamping arm, a left clamping arm, a second upright post, a right clamping arm, a lifting table, a sliding rail, a sliding block, a locking structure, an angle adjusting mechanism and a spray lamp assembly, wherein the sliding table is connected to the mounting plate in a sliding manner, the first upright post is arranged on the sliding table, the upper clamping arm is connected to the first upright post in a sliding manner, the lower clamping arm is connected to the first upright post in a sliding manner, the left clamping arm is connected to the lower clamping arm in a sliding manner, the second upright post is arranged on the sliding table, the right clamping arm is connected to the second upright post in a sliding manner, the lifting table is arranged on the sliding table, the sliding rail is arranged on the top surface of the lifting table, the sliding block is connected to the sliding rail in a sliding manner, the locking structure is used for locking the sliding block to the sliding block in a locking structure, the angle adjusting mechanism is arranged on the sliding block, and the spray lamp assembly is arranged at the output end of the angle adjusting mechanism, and the spray lamp assembly is used for adjusting mechanism. The invention has convenient adjustment of the blast lamp assembly, can carry out combustion test on the position of a product to be combusted at fixed height, fixed distance and fixed point, and improves the accuracy and quality of the combustion test.
Description
Technical Field
The invention relates to the technical field of combustion testing machines, in particular to a height-adjustable positioning combustion device of a combustion testing machine.
Background
With the development of times and scientific progress, people put more demands on the combustion resistance safety of various materials, and the products need to be subjected to combustion tests to judge the combustion resistance. Although the combustion device in the existing combustion test machine can perform combustion test on products, the relative position between the combustion device and the products is difficult to adjust, so that the combustion test is difficult to perform on the specific position of the products, the adjusting steps are complicated, the operation labor of operators is increased, and the test efficiency is reduced. Therefore, the drawbacks are obvious, and a solution is needed.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a height-adjustable positioning combustion device of a combustion testing machine.
In order to achieve the purpose, the invention adopts the following technical scheme:
a height-adjustable positioning combustion device of a combustion testing machine comprises a mounting plate arranged in an inner cavity of the combustion testing machine, a sliding table connected with the mounting plate in a sliding manner, a first upright post arranged on the sliding table, an upper clamping arm connected with the first upright post in a sliding manner, a lower clamping arm connected with the first upright post in a sliding manner, a left clamping arm connected with the lower clamping arm in a sliding manner, a second upright post arranged on the sliding table, a right clamping arm connected with the second upright post in a sliding manner, a lifting platform arranged on the sliding table, a sliding rail arranged on the top surface of the lifting platform, a sliding block connected with the sliding rail in a sliding manner, a locking structure used for locking the sliding block on the sliding rail, an angle adjusting mechanism arranged on the sliding block and a blowtorch component arranged at the output end of the angle adjusting mechanism, wherein the left clamping arm and the right clamping arm are oppositely arranged, the upper clamping arm is positioned above the lower clamping arm, and the lifting platform is positioned between the left clamping arm and the right clamping arm, and is located the place ahead of first stand, angle adjustment mechanism is used for adjusting the jet flame angle of blowtorch subassembly.
Furthermore, the locking structure comprises a locking bolt and a plurality of locking screw holes, the locking screw holes are formed in one side wall of the slide rail and communicated with the inner cavity of the slide rail, the locking screw holes are arranged along the length direction of the slide rail, the locking bolt is in threaded connection with the locking screw holes, and the end portion of the locking bolt abuts against the outer side wall of the slide block.
Furthermore, the side wall of the sliding block is provided with a containing groove, the containing groove is communicated with the locking screw hole, and the end part of the locking bolt penetrates through the locking screw hole and then extends into the containing groove in a protruding mode.
Furthermore, the lifting platform comprises a base, a top seat, a front connecting rod, a rear connecting rod, a two-way screw rod, a front moving block, a rear moving block, a driving piece, two front telescopic assemblies and two rear telescopic assemblies, wherein the middle parts of the two front telescopic assemblies are rotationally connected through the front connecting rod, the middle parts of the two rear telescopic assemblies are rotationally connected through the rear connecting rod, the front connecting rod is arranged on the front moving block, the rear connecting rod is arranged on the rear moving block, the front moving block is in threaded connection with a positive thread section of the two-way screw rod, the rear moving block is in threaded connection with a reverse thread section of the two-way screw rod, the driving piece is used for driving the two-way screw rod to rotate, the top ends of the two front telescopic assemblies are hinged with the front end of the top seat, the bottom ends of the two front telescopic assemblies are hinged with the front end of the base, the top ends of the two rear telescopic assemblies are hinged with the rear end of the top seat, and the bottom ends of the two rear telescopic assemblies are hinged with the rear end of the base, the base sets up in the slip table, the slide rail is installed in the footstock.
Further, preceding flexible subassembly and flexible subassembly in back all include connecting rod, lower connecting rod, go up articulated ring and articulated ring down, go up articulated ring and footstock fixed connection, articulated ring and base fixed connection down, the top of going up the connecting rod is articulated with last articulated ring, the bottom of going up the connecting rod is articulated with the top of lower connecting rod, the bottom of lower connecting rod is articulated with articulated ring down, preceding movable block or back movable block rotate connect in the articulated position of last connecting rod and lower connecting rod.
Further, the driving piece is a rocking wheel or an electric driving source.
Further, the angle adjusting mechanism comprises a left sliding plate, a right sliding plate, a left latch ring, a right latch ring, a left spring, a right spring, a cam handle piece, a swinging arm, a connecting shaft and a contact block fixedly connected with one end of the connecting shaft, the cam handle piece is rotatably connected with the other end of the connecting shaft, the connecting shaft sequentially penetrates through the right sliding plate, the right latch ring, the swinging arm, the left latch ring and the left sliding plate from the right side to the left side, the contact block is contacted with the outer side wall of the right sliding plate, a left latch gear ring and a right latch gear ring are respectively arranged on two sides of the bottom end of the swinging arm, the spray lamp assembly is connected with the top end of the swinging arm, the left sliding plate and the right sliding plate are arranged in parallel, the bottom end of the left sliding plate and the bottom end of the right sliding plate are both connected with a sliding block in a sliding manner, the left latch ring is arranged on the inner side wall of the left sliding plate, the right latch ring is arranged on the inner side wall of the right sliding plate, the bottom end of the swinging arm is rotatably connected with the connecting shaft, the left spring clamp is arranged between the left latch ring and the left side wall of the swing arm, the right spring clamp is arranged between the right latch ring and the right side wall of the swing arm, the left spring and the right spring are both sleeved outside the connecting shaft, and the contour of the cam handle piece is provided with a locking cambered surface and a releasing plane; when the locking cambered surface is abutted against the outer side wall of the left sliding plate, the left clamping gear ring is clamped with the left clamping gear ring, and the right clamping gear ring is clamped with the right clamping gear ring; when the release plane is contradicted with the lateral wall of left slide, left calorie of ring gear and left calorie of ring gear do not joint, and right calorie of ring gear do not joint.
Furthermore, a first left containing cavity is formed in the right side wall of the middle of the left clamping tooth ring, a second left containing cavity is formed in the middle of the left clamping tooth ring, and two ends of the left spring respectively extend into the first left containing cavity and the second left containing cavity; the middle left side wall of the right clamping tooth ring is provided with a first right containing cavity, the middle of the right clamping tooth ring is provided with a second right containing cavity, and two ends of the right spring respectively extend into the first right containing cavity and the second right containing cavity in a protruding mode.
Further, the slider is provided with left spout and right spout, the bottom of left side slide slides and sets up in left spout, the bottom of right side slide slides and sets up in right spout.
Further, left side spout and right spout are T type spout, the bottom of left side slide and the bottom of right slide all are provided with the T type slider with T type spout sliding connection.
The invention has the beneficial effects that: in practical application, according to the length of a product to be clamped actually, the distance between an upper clamping arm and a lower clamping arm is adjusted, the height positions of the upper clamping arm and the lower clamping arm on a first stand column are adjusted, or the distance between a left clamping arm and a right clamping arm is adjusted, the height position of the right clamping arm on a second stand column is adjusted, the height position of the left clamping arm is adjusted by adjusting the height position of the lower clamping arm on the first stand column, so that the height of the left clamping arm is consistent with that of the right clamping arm, according to actual requirements, two ends of the product are respectively clamped on the upper clamping arm and the lower clamping arm, or two ends of the product are respectively clamped on the left clamping arm and the right clamping arm, so that the product to be subjected to a combustion test is clamped and fixed; then according to the position to be burnt of the product that is fixed by the centre gripping, through the lift of elevating platform in order to adjust the height of blast burner subassembly, through the slider back and forth slip on the slide rail in order to adjust the distance between blast burner subassembly and the product, in this process, the locking structure releases the locking power to the slider, and the slider can slide back and forth relative to the slide rail this moment, and after the position regulation of blast burner subassembly, the locking structure locks the slider on the slide rail, in order to realize fixing the position of slider and blast burner subassembly, and the angle of rethread angle adjustment mechanism regulation blast burner subassembly is in order to adjust the flame angle. The height of the spray lamp assembly, the distance between the spray lamp assembly and the product and the angle of the spray lamp assembly are adjusted through the operation, so that the combustion test is carried out on the position to be combusted of the product at fixed height, fixed distance and fixed point. The invention has simple and convenient operation and convenient adjustment of the blast lamp assembly, can carry out combustion test on the position of a product to be subjected to combustion test at fixed height, fixed distance and fixed point, and improves the accuracy and quality of the combustion test.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the angle adjustment mechanism and slider of the present invention.
Fig. 3 is a schematic structural diagram of the lifting platform and the slide rail of the invention.
Description of reference numerals:
1. mounting a plate; 2. a sliding table; 3. a first upright post; 4. an upper clamping arm; 5. a lower clamping arm; 6. a left clamp arm; 7. a second upright post; 8. a right clamping arm; 9. a lifting platform; 10. a slide rail; 11. a slider; 12. a locking structure; 13. an angle adjusting mechanism; 14. a torch assembly; 15. locking the bolt; 16. locking the screw hole; 17. a containing groove; 18. a base; 19. a top seat; 20. a front connecting rod; 21. a rear connecting rod; 22. a bidirectional screw rod; 23. a forward moving block; 24. a rear moving block; 25. a drive member; 26. a forward telescoping assembly; 27. a rear telescoping assembly; 28. an upper connecting rod; 29. a lower connecting rod; 30. an upper hinge ring; 31. a lower hinge loop; 32. a left slide plate; 33. a right slide plate; 34. a left snap ring; 35. a right snap ring gear; 36. a left spring; 37. a right spring; 38. a cam handle member; 39. swinging arms; 40. a connecting shaft; 41. a contact block; 42. a left snap ring gear; 43. a right snap ring gear; 44. a first left cavity; 45. a second left cavity; 46. a first right volume; 47. a second right volume; 48. a left chute; 49. a right chute; 50. a first scale; 51. a second scale; 52. a third scale; 53. a position adjustment mechanism; 54. locking screws; 55. locking the cambered surface; 56. releasing the plane.
Detailed Description
In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
As shown in fig. 1 to 3, the height-adjustable positioning combustion device of a combustion testing machine provided by the present invention comprises a mounting plate 1 installed in an inner cavity of the combustion testing machine, a sliding table 2 slidably connected to the mounting plate 1, a first upright column 3 installed on the sliding table 2, an upper clamping arm 4 slidably connected to the first upright column 3, a lower clamping arm 5 slidably connected to the first upright column 3, a left clamping arm 6 slidably connected to the lower clamping arm 5, a second upright column 7 installed on the sliding table 2, a right clamping arm 8 slidably connected to the second upright column 7, a lifting table 9 installed on the sliding table 2, a sliding rail 10 installed on a top surface of the lifting table 9, a sliding block 11 slidably connected to the sliding rail 10, a locking structure 12 for locking the sliding block 11 to the sliding rail 10, an angle adjusting mechanism 13 installed on the sliding block 11, and a lamp spraying assembly 14 installed at an output end of the angle adjusting mechanism 13, left side centre gripping arm 6 sets up with right centre gripping arm 8 relatively, it is located the top of centre gripping arm 5 down to go up centre gripping arm 4, elevating platform 9 is located between left centre gripping arm 6 and the right centre gripping arm 8, and is located the place ahead of first stand 3, angle adjustment mechanism 13 is used for adjusting the jet flame angle of blowtorch subassembly 14.
In practical application, according to the length of a product to be clamped actually, the distance between the upper clamping arm 4 and the lower clamping arm 5 is adjusted, the height positions of the upper clamping arm 4 and the lower clamping arm 5 on the first upright post 3 are adjusted, or the distance between the left clamping arm 6 and the right clamping arm 8 is adjusted, the height position of the right clamping arm 8 on the second upright post 7 is adjusted, the height position of the left clamping arm 6 is adjusted by adjusting the height position of the lower clamping arm 5 on the first upright post 3, so that the height of the left clamping arm 6 is consistent with that of the right clamping arm 8, according to actual requirements, two ends of the product are respectively clamped on the upper clamping arm 4 and the lower clamping arm 5, or two ends of the product are respectively clamped on the left clamping arm 6 and the right clamping arm 8, so as to clamp and fix the product to be subjected to a combustion test; then according to the position to be burnt of the clamped and fixed product, the height of the blowtorch assembly 14 is adjusted through the lifting of the lifting table 9, the distance between the blowtorch assembly 14 and the product is adjusted through the sliding of the sliding block 11 on the sliding rail 10 in a front-back sliding mode, in the process, the locking structure 12 releases the locking force of the sliding block 11, the sliding block 11 can slide back and forth relative to the sliding rail 10, after the position of the blowtorch assembly 14 is adjusted, the sliding block 11 is locked on the sliding rail 10 through the locking structure 12, the position of the sliding block 11 and the position of the blowtorch assembly 14 are fixed, and the angle of the blowtorch assembly 14 is adjusted through the angle adjusting mechanism 13, so that the flame spraying angle is adjusted. The height of the burner assembly 14, the distance between the burner assembly 14 and the product and the angle of the burner assembly 14 are adjusted through the above operations, so that the burning test is performed on the position to be burnt of the product at fixed height, fixed distance and fixed point. The invention has simple and convenient operation and convenient adjustment of the blowtorch assembly 14, can carry out combustion test on the position of a product to be subjected to combustion test at fixed height, fixed distance and fixed point, and improves the accuracy and quality of the combustion test.
In this embodiment, the locking structure 12 includes a locking bolt 15 and a plurality of locking screw holes 16, the locking screw holes 16 are disposed on a side wall of the slide rail 10 and communicate with an inner cavity of the slide rail 10, the locking screw holes 16 are arranged along a length direction of the slide rail 10, the locking bolt 15 is screwed with the locking screw holes 16, and an end portion of the locking bolt 15 abuts against an outer side wall of the slide block 11.
Screwing out the locking bolt 15 to enable the sliding block 11 to slide relative to the sliding rail 10, and after the sliding block 11 slides to a determined position relative to the sliding rail 10, screwing the locking bolt 15 with the locking screw hole 16 in the corresponding position until the end part of the locking bolt 15 is abutted against the outer side wall of the sliding block 11 to lock the sliding block 11, so that the distance between the blast lamp assembly 14 and a product is adjusted.
In this embodiment, the side wall of the slider 11 is provided with an accommodating groove 17, the accommodating groove 17 is communicated with the locking screw hole 16, and the end of the locking bolt 15 penetrates through the locking screw hole 16 and then protrudes into the accommodating groove 17. When the locking bolt 15 locks the slider 11, the end of the locking bolt 15 protrudes into the accommodating groove 17 and abuts against the inner wall of the accommodating groove 17, thereby further improving the stability of the locking slider 11.
In this embodiment, the lifting platform 9 includes a base 18, a top seat 19, a front connecting rod 20, a rear connecting rod 21, a bidirectional screw rod 22, a front moving block 23, a rear moving block 24, a driving member 25, two front telescopic assemblies 26 and two rear telescopic assemblies 27, the middle portions of the two front telescopic assemblies 26 are rotatably connected via the front connecting rod 20, the middle portions of the two rear telescopic assemblies 27 are rotatably connected via the rear connecting rod 21, the front connecting rod 20 is installed on the front moving block 23, the rear connecting rod 21 is installed on the rear moving block 24, the front moving block 23 is screwed with a regular thread section of the bidirectional screw rod 22, the rear moving block 24 is screwed with a reverse thread section of the bidirectional screw rod 22, the driving member 25 is used for driving the bidirectional screw rod 22 to rotate, the top ends of the two front telescopic assemblies 26 are hinged with the front end of the top seat 19, the bottom ends of the two front telescopic assemblies 26 are hinged with the front end of the base 18, the top ends of the two rear telescopic assemblies 27 are hinged with the rear end of the top base 19, the bottom ends of the two rear telescopic assemblies 27 are hinged with the rear end of the base 18, the base 18 is arranged on the sliding table 2, and the sliding rail 10 is arranged on the top base 19; specifically, the front telescopic assembly 26 and the rear telescopic assembly 27 each include an upper connecting rod 28, a lower connecting rod 29, an upper hinge ring 30 and a lower hinge ring 31, the upper hinge ring 30 is fixedly connected with the top base 19, the lower hinge ring 31 is fixedly connected with the base 18, the top end of the upper connecting rod 28 is hinged to the upper hinge ring 30, the bottom end of the upper connecting rod 28 is hinged to the top end of the lower connecting rod 29, the bottom end of the lower connecting rod 29 is hinged to the lower hinge ring 31, and the front moving block 23 or the rear moving block 24 is rotatably connected to the hinged position of the upper connecting rod 28 and the lower connecting rod 29.
In practical application, the driving part 25 drives the bidirectional screw rod 22 to rotate (forward rotation or reverse rotation), the rotating bidirectional screw rod 22 drives the front moving block 23 and the rear moving block 24 to move close to or away from each other, and when the front moving block 23 and the rear moving block 24 move close to each other, the front telescopic assembly 26 and the rear telescopic assembly 27 can synchronously and gradually extend, so that the blowtorch assembly 14 is lifted; when the front moving block 23 and the rear moving block 24 move away from each other, the front telescopic assembly 26 and the rear telescopic assembly 27 are synchronously gradually contracted, so that the torch assembly 14 descends; the structural design facilitates the height position adjustment of the torch assembly 14.
In this embodiment, the driving member 25 is a rocking wheel or an electric driving source. When the driving piece 25 is a rocking wheel, the operator manually rotates the rocking wheel to lift the lifting platform 9; when the driving member 25 is an electric driving source, the operator can realize the automatic lifting of the lifting platform 9 by controlling the operation panel, and the lifting adjustment is convenient.
In this embodiment, the angle adjusting mechanism 13 includes a left sliding plate 32, a right sliding plate 33, a left latch ring 34, a right latch ring 35, a left spring 36, a right spring 37, a cam handle piece 38, a swing arm 39, a connecting shaft 40, and a contact block 41 fixedly connected to one end of the connecting shaft 40, the cam handle piece 38 is rotatably connected to the other end of the connecting shaft 40, the connecting shaft 40 sequentially penetrates the right sliding plate 33, the right latch ring 35, the swing arm 39, the left latch ring 34, and the left sliding plate 32 from right to left, the contact block 41 contacts the outer side wall of the right sliding plate 33, a left latch ring 42 and a right latch ring 43 are respectively disposed on two sides of the bottom end of the swing arm 39, the torch assembly 14 is connected to the top end of the swing arm 39, the left sliding plate 32 is parallel to the right sliding plate 33, the bottom end of the left sliding plate 32 and the bottom end of the right sliding plate 33 are both slidably connected to the sliding block 11, the left latch ring 34 is disposed on the inner side wall of the left sliding plate 32, the right latch ring 35 is arranged on the inner side wall of the right sliding plate 33, the bottom end of the swing arm 39 is rotatably connected with the connecting shaft 40, the left spring 36 is clamped between the left latch ring 34 and the left side wall of the swing arm 39, the right spring 37 is clamped between the right latch ring 35 and the right side wall of the swing arm 39, the left spring 36 and the right spring 37 are both sleeved outside the connecting shaft 40, and the contour of the cam handle piece 38 is provided with a locking arc surface 55 and a release plane 56; when the locking arc surface 55 is abutted against the outer side wall of the left sliding plate 32, the left latch ring 42 is clamped with the left latch ring 34, and the right latch ring 43 is clamped with the right latch ring 35; when the release plane 56 abuts against the outer side wall of the left slide plate 32, the left latch ring 42 is not latched with the left latch ring 34, and the right latch ring 43 is not latched with the right latch ring 35.
In practical applications, the angle of the flame spray of the torch assembly 14 is adjusted by the rotation angle of the swing arm 39 relative to the connecting shaft 40. When the angle of the swing arm 39 is fixed, the locking arc surface 55 of the cam handle piece 38 is abutted against the outer side wall of the left sliding plate 32, the distance between the left sliding plate 32 and the right sliding plate 33 is minimum, the left spring 36 and the right spring 37 are in a compressed state, the latch of the left latch ring 34 is clamped with the latch of the left latch ring 42, the latch of the right latch ring 35 is clamped with the latch of the right latch ring 43, so that the swing arm 39 cannot rotate relative to the connecting shaft 40, and the angle of the torch assembly 14 is fixed. When the angle of the blowtorch assembly 14 needs to be adjusted through the swing arm 39, the cam handle member 38 is rotated in the forward direction until the release plane 56 abuts against the outer side wall of the left slide plate 32, at this time, the left slide plate 32 and the right slide plate 33 have a space to move away from each other, under the effect of the resilience of the left spring 36 and the right spring 37, the left slide plate 32 and the left latch ring 34 move in the direction away from the right slide plate 33 along the connecting shaft 40, the right slide plate 33 and the right latch ring 35 move in the direction away from the left slide plate 32 along the connecting shaft 40, so that the latch of the left latch ring 34 is separated from the latch of the left latch ring 42, the latch of the right latch ring 35 is separated from the latch of the right latch ring 43, that is, the latch of the left latch ring 34 is not latched with the latch of the left latch ring 42, the latch of the right latch ring 35 is not latched with the latch of the right latch ring 43, the swing arm 39 can be rotated relative to the connecting shaft 40 to adjust the angle of the swing arm 39, thereby achieving angular adjustment of the torch assembly 14. After the angle adjustment of the swing arm 39 is completed, the cam handle piece 38 is rotated reversely until the locking arc surface 55 of the cam handle piece 38 is abutted against the outer side wall of the left sliding plate 32, the latch of the left latch ring 34 is clamped with the latch of the left latch ring 42, and the latch of the right latch ring 35 is clamped with the latch of the right latch ring 43, so that the swing arm 39 is locked and fixed. This structural design, the angle modulation of blast lamp subassembly 14 is convenient, has reduced operating personnel's intensity of labour and the operation degree of difficulty, has improved experimental efficiency.
In this embodiment, a first left containing cavity 44 is disposed on the right side wall of the middle portion of the left latch ring 34, a second left containing cavity 45 is disposed in the middle portion of the left latch ring 42, and two ends of the left spring 36 respectively protrude into the first left containing cavity 44 and the second left containing cavity 45; the first left accommodating cavity 44 and the second left accommodating cavity 45 play a role in positioning the left spring 36, so that the working stability and the position precision of the left spring 36 are ensured, and the assembly of the left spring 36 is facilitated.
Specifically, a first right containing cavity 46 is formed in the left side wall of the middle of the right snap ring 35, a second right containing cavity 47 is formed in the middle of the right snap ring 43, and two ends of the right spring 37 respectively extend into the first right containing cavity 46 and the second right containing cavity 47; the first right accommodating cavity 46 and the second right accommodating cavity 47 play a role in positioning the right spring 37, so that the working stability and the position precision of the right spring 37 are ensured, and the assembly of the right spring 37 is facilitated.
In this embodiment, the sliding block 11 is provided with a left sliding groove 48 and a right sliding groove 49, the bottom end of the left sliding plate 32 is slidably disposed in the left sliding groove 48, and the bottom end of the right sliding plate 33 is slidably disposed in the right sliding groove 49. The left slide plate 32 and the right slide plate 33 slide in the left slide groove 48 and the right slide groove 49 respectively, so that the sliding stroke of the left slide plate 32 and the right slide plate 33 is ensured, and the sliding stability of the left slide plate 32 and the right slide plate 33 is improved.
In this embodiment, the left sliding groove 48 and the right sliding groove 49 are both T-shaped sliding grooves, and the bottom end of the left sliding plate 32 and the bottom end of the right sliding plate 33 are both provided with T-shaped sliding blocks slidably connected with the T-shaped sliding grooves. Through the sliding fit of the T-shaped sliding grooves and the T-shaped sliding blocks, on one hand, the sliding stability of the left sliding plate 32 and the right sliding plate 33 is further improved, and on the other hand, the left sliding plate 32 and the right sliding plate 33 are prevented from being easily separated from the left sliding groove 48 and the right sliding groove 49 of the sliding block 11.
Specifically, the first column 3 is provided with the first graduated scale 50, so that an operator can know the heights of the upper clamping arm 4 and the lower clamping arm 5 conveniently, and can know the distance between the upper clamping arm 4 and the lower clamping arm 5 conveniently, and the operator can accurately adjust the positions of the upper clamping arm 4 and the lower clamping arm 5; the second upright post 7 is provided with a second graduated scale 51, so that an operator can know the height of the right clamping arm 8 conveniently, and the shaft rod of the lower clamping arm 5 is provided with a third graduated scale 52, so that the relative distance between the left clamping arm 6 and the clamping arm can be adjusted conveniently.
Specifically, the base 18 is provided with a position adjusting mechanism 53, an output end of the position adjusting mechanism 53 is connected with the base 18, and the base 18 is slidably connected with the sliding table 2. The base 18 is driven to move by the position adjusting mechanism 53, so that the positions of the lifting platform 9 and the torch assembly 14 are finely adjusted, and the position of the torch assembly 14 is more accurate.
Specifically, one end of the upper clamping arm 4 is locked to the first column 3 through a locking screw 54, one end of the lower clamping arm 5 is locked to the first column 3 through a locking screw 54, one end of the left clamping arm 6 is locked to the shaft of the lower clamping arm 5 through a locking screw 54, and one end of the right clamping arm 8 is locked to the second column 7 through a locking screw 54. This structural design for go up centre gripping arm 4 can firmly lock solid on first stand 3, centre gripping arm 5 can firmly lock solid on first stand 3 down, left centre gripping arm 6 can firmly lock solid on the axostylus axostyle of centre gripping arm 5 down and right centre gripping arm 8 can firmly lock solid on second stand 7, still be convenient for carry out position control to last centre gripping arm 4, lower centre gripping arm 5, left centre gripping arm 6 and right centre gripping arm 8.
All the technical features in the embodiment can be freely combined according to actual needs.
The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a location burner with adjustable combustion testing machine's height which characterized in that: comprises a mounting plate arranged in the inner cavity of the combustion testing machine, a sliding table connected with the mounting plate in a sliding way, a first upright post arranged on the sliding table, an upper clamping arm connected with the first upright post in a sliding way, a lower clamping arm connected with the first upright post in a sliding way, a left clamping arm connected with the lower clamping arm in a sliding way, a second upright post arranged on the sliding table, a right clamping arm connected with the second upright post in a sliding way, a lifting table arranged on the sliding table, a sliding rail arranged on the top surface of the lifting table, a sliding block connected with the sliding rail in a sliding way, a locking structure used for locking the sliding block on the sliding rail, an angle adjusting mechanism arranged on the sliding block and a spray lamp component arranged at the output end of the angle adjusting mechanism, wherein the left clamping arm and the right clamping arm are arranged oppositely, the upper clamping arm is positioned above the lower clamping arm, the lifting table is positioned between the left clamping arm and the right clamping arm and is positioned in front of the first upright post, the angle adjusting mechanism is used for adjusting the spray flame angle of the blowtorch assembly.
2. The height-adjustable positioning combustion device of the combustion testing machine according to claim 1, characterized in that: the locking structure comprises a locking bolt and a plurality of locking screw holes, the locking screw holes are formed in one side wall of the slide rail and communicated with an inner cavity of the slide rail, the locking screw holes are arranged along the length direction of the slide rail, the locking bolt is in threaded connection with the locking screw holes, and the end portion of the locking bolt is abutted against the outer side wall of the slide block.
3. The height-adjustable positioning combustion device of the combustion testing machine according to claim 2, characterized in that: the side wall of the sliding block is provided with an accommodating groove, the accommodating groove is communicated with the locking screw hole, and the end part of the locking bolt penetrates through the locking screw hole and then extends into the accommodating groove in a protruding mode.
4. The height-adjustable positioning combustion device of the combustion testing machine according to claim 1, characterized in that: the lifting platform comprises a base, a top seat, a front connecting rod, a rear connecting rod, a bidirectional screw rod, a front telescopic block, a rear movable block, a driving piece, two front telescopic components and two rear telescopic components, wherein the middle parts of the two front telescopic components are rotationally connected through the front connecting rod, the middle parts of the two rear telescopic components are rotationally connected through the rear connecting rod, the front connecting rod is arranged on the front movable block, the rear connecting rod is arranged on the rear movable block, the front movable block is in threaded connection with a positive thread section of the bidirectional screw rod, the rear movable block is in threaded connection with a reverse thread section of the bidirectional screw rod, the driving piece is used for driving the bidirectional screw rod to rotate, the top ends of the two front telescopic components are hinged with the front end of the top seat, the bottom ends of the two front telescopic components are hinged with the front end of the base, the top ends of the two rear telescopic components are hinged with the rear end of the top seat, and the bottom ends of the two rear telescopic components are hinged with the rear end of the base, the base sets up in the slip table, the slide rail is installed in the footstock.
5. The height-adjustable positioning combustion device of the combustion testing machine according to claim 4, characterized in that: preceding flexible subassembly and back flexible subassembly all include connecting rod, lower connecting rod, go up articulated ring and articulated ring down, go up articulated ring and footstock fixed connection, articulated ring and base fixed connection down, the top and the last articulated ring of going up the connecting rod are articulated, the bottom of going up the connecting rod is articulated with the top of lower connecting rod, the bottom of lower connecting rod is articulated with articulated ring down, preceding movable block or back movable block rotate connect in the articulated position of last connecting rod and lower connecting rod.
6. The height-adjustable positioning combustion device of the combustion testing machine according to claim 4, characterized in that: the driving piece is a rocking wheel or an electric driving source.
7. The height-adjustable positioning combustion device of the combustion testing machine according to claim 1, characterized in that: the angle adjusting mechanism comprises a left sliding plate, a right sliding plate, a left clamping ring, a right clamping ring, a left spring, a right spring, a cam handle piece, a swinging arm, a connecting shaft and a contact block fixedly connected with one end of the connecting shaft, the cam handle piece is rotatably connected with the other end of the connecting shaft, the connecting shaft sequentially penetrates through the right sliding plate, the right clamping ring, the swinging arm, the left clamping ring and the left sliding plate from the right side to the left side, the contact block is contacted with the outer side wall of the right sliding plate, a left clamping gear ring and a right clamping gear ring are respectively arranged on two sides of the bottom end of the swinging arm, the spray lamp assembly is connected with the top end of the swinging arm, the left sliding plate and the right sliding plate are arranged in parallel, the bottom end of the left sliding plate and the bottom end of the right sliding plate are both in sliding connection with sliding blocks, the left clamping ring is arranged on the inner side wall of the left sliding plate, the right clamping ring is arranged on the inner side wall of the right sliding plate, the bottom end of the swinging arm is rotatably connected with the sliding plate, the left spring clamp is arranged between the left latch ring and the left side wall of the swing arm, the right spring clamp is arranged between the right latch ring and the right side wall of the swing arm, the left spring and the right spring are both sleeved outside the connecting shaft, and the contour of the cam handle piece is provided with a locking cambered surface and a releasing plane; when the locking cambered surface is abutted against the outer side wall of the left sliding plate, the left clamping gear ring is clamped with the left clamping gear ring, and the right clamping gear ring is clamped with the right clamping gear ring; when the release plane is contradicted with the lateral wall of left slide, left calorie of ring gear and left calorie of ring gear do not joint, and right calorie of ring gear do not joint.
8. The height-adjustable positioning combustion device of the combustion testing machine according to claim 7, characterized in that: a first left containing cavity is formed in the right side wall of the middle of the left clamping gear ring, a second left containing cavity is formed in the middle of the left clamping gear ring, and two ends of the left spring respectively extend into the first left containing cavity and the second left containing cavity; the middle left side wall of the right clamping tooth ring is provided with a first right containing cavity, the middle of the right clamping tooth ring is provided with a second right containing cavity, and two ends of the right spring respectively extend into the first right containing cavity and the second right containing cavity in a protruding mode.
9. The height-adjustable positioning combustion device of the combustion testing machine according to claim 7, characterized in that: the slider is provided with left spout and right spout, the bottom of left side slide slides and sets up in left spout, the bottom of right side slide slides and sets up in right spout.
10. The height-adjustable positioning combustion device of the combustion testing machine according to claim 9, characterized in that: the left sliding groove and the right sliding groove are T-shaped sliding grooves, and T-shaped sliding blocks connected with the T-shaped sliding grooves in a sliding mode are arranged at the bottom end of the left sliding plate and the bottom end of the right sliding plate.
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| CN114323756A (en) * | 2021-12-29 | 2022-04-12 | 广东产品质量监督检验研究院（国家质量技术监督局广州电气安全检验所、广东省试验认证研究院、华安实验室） | Vehicle-mounted movable multi-depth epidermis soil turning device for soil sampling |
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| CN115013685A (en) * | 2022-07-14 | 2022-09-06 | 衡阳市牛角尖网络科技有限公司 | Tripod convenient to adjust supporting legs and expand angle |
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Application publication date: 20210910 |