CN210981699U - Settlement and banding intensity lateral rigidity tester under safety helmet - Google Patents
Settlement and banding intensity lateral rigidity tester under safety helmet Download PDFInfo
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- CN210981699U CN210981699U CN201922357070.3U CN201922357070U CN210981699U CN 210981699 U CN210981699 U CN 210981699U CN 201922357070 U CN201922357070 U CN 201922357070U CN 210981699 U CN210981699 U CN 210981699U
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Abstract
The utility model relates to a lower and lower safety helmet and side direction rigidity tester with strength, which comprises an electric appliance control box, a test platform, a vertical post vertically fixed on the test platform, a horizontal beam horizontally fixed on the upper end of the vertical post, and a head die fixed above the horizontal beam, wherein an upper flat plate is fixed below the horizontal beam, a lifting part is arranged in the electric appliance control box, the lifting part penetrates out of the test platform and is fixed with a lower flat plate, the safety helmet also comprises a clamping part for fixing the safety helmet, the clamping part comprises a connecting rod and a limiting block fixed at the end part of the connecting rod, a limiting groove for limiting the position of the brim of the helmet is arranged on the limiting block, the limiting groove is arranged in parallel with; the both sides of the vertical direction of stand all releasable connection have the connecting rod. The utility model discloses have and carry on spacingly to the safety helmet of lateral test, save the step of artifical stable safety helmet.
Description
Technical Field
The utility model belongs to the technical field of the technique of safety helmet capability test appearance and specifically relates to a safety helmet is from time to time takes intensity side direction rigidity tester.
Background
The lower and side rigidity testers are used for testing the strength of chin strap of safety helmet and the side rigidity of safety helmet.
Chinese patent with publication number CN205679384U discloses a lateral rigidity tester for chin strap strength of safety helmet, which comprises an electric appliance control box, a testing platform is arranged on the electric appliance control box, a stand column is fixed on the testing platform, a cross beam is fixed at the top of the stand column, a head die supporting column is fixed at the top of the front end of the cross beam, a head die is fixed on the head die supporting column, a lifting mechanism is arranged in the electric appliance control box, the lifting mechanism penetrates out of the testing platform, and a sensor is fixed on the electric appliance control box.
When the lateral rigidity test is carried out, the safety helmet needs to be placed between the upper flat plate and the lower flat plate on one side, and the test is realized by gradually lifting the lower flat plate. The above prior art solutions have the following drawbacks: in actual operation, because the safety helmet surface is smooth arc surface, the safety helmet can't stably place under on the flat board when putting when inclining, and go up the flat board and be greater than the height of safety helmet when putting inclining with distance between the flat board down, so at the test initial stage, need the staff to grasp the safety helmet and press from both sides the safety helmet tightly with lower flat board and last flat board, the test procedure is very troublesome.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, one of the purposes of the utility model is to provide a safety helmet under and band intensity side direction rigidity tester.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a lateral rigidity tester with strength from bottom to top for a safety helmet comprises an electric appliance control box, a testing platform, a stand column vertically fixed on the testing platform, a cross beam horizontally fixed at the upper end of the stand column, and a head die fixed above the cross beam, wherein an upper flat plate is fixed below the cross beam, a lifting part is arranged in the electric appliance control box, penetrates out of the testing platform and is fixed with a lower flat plate, the lateral rigidity tester also comprises a clamping part for fixing the safety helmet, the clamping part comprises a connecting rod and a limiting block fixed at the end part of the connecting rod, a limiting groove used for limiting the position of a helmet brim is formed in the limiting block, the limiting groove is formed in a direction parallel to the length; the both sides of the vertical direction of stand all releasable connection have the connecting rod.
By adopting the technical scheme, during lateral rigidity testing, the clamping part on one side of the stand column is fixed on the stand column, the safety helmet is laterally placed on the lower flat plate until the brim on one side of the safety helmet is positioned in the limiting groove, the other clamping part is installed outside the stand column, and the safety helmet is sleeved in the brim on the other side of the safety helmet, so that limitation on two sides of the installation helmet is realized. Along with the rising of lower dull and stereotyped, the safety helmet brim of a hat goes up and down in the spacing groove, realizes spacing in real time to the safety helmet, and the clamping part is taken off from the stand to the upper flat board and lower dull and stereotyped tight safety helmet clamp, and the test continues until the end.
More preferably: the mounting groove has been seted up on the stand, and the place stand is link up at mounting groove vertically stand length direction's both ends, is provided with the installation pole in the mounting groove, and the installation pole comprises left pole and right pole, and is located one side that the crossbeam was kept away from to vertical portion.
By adopting the technical scheme, when the clamping part is connected with the left rod and the right rod, the left rod and the right rod are respectively inserted into the mounting groove from two ends of the mounting groove, so that the mounting and the dismounting are realized, and the mounting and the dismounting of the rods are convenient to mount.
More preferably: the magnetic sheets are fixed in the mounting grooves, and the left rod and the right rod are made of ferromagnetic substances.
Adopt above-mentioned technical scheme, fix left pole and right pole one end through the magnetic sheet, improve the stability of left pole and right pole in the mounting groove.
More preferably: the connecting rod end is fixed with the extension rod parallel with the installation rod, and the extension rod and the installation rod are in threaded connection.
Adopt above-mentioned technical scheme, realize the releasable connection between clamping part and the connecting rod, rotate the thread bush to break away from with extension rod or installation pole and can realize the dismantlement of installation pole and clamping part, can realize the regulation of distance between clamping part and the installation pole simultaneously.
More preferably: the installation pole is opened outward and is equipped with first screw thread section, and the extension pole is opened outward and is equipped with the second screw thread section, and first screw thread section sets up with second screw thread section interval, and thread bush and first screw thread section and second screw thread section threaded connection.
Adopt above-mentioned technical scheme, reduce the screw thread on the one hand and set up length, reduce the installation and dismantle the degree of difficulty, on the other hand can realize the fine setting of distance between clamping part and the installation pole, cooperates the safety helmet of different models.
More preferably: the cross section of mounting groove is the rectangle, and the installation pole is located the partial cross section in mounting groove and is the rectangle, and the tip cross section that is located outside the mounting groove is circular.
Adopt above-mentioned technical scheme, can not take place relative rotation between installation pole and the mounting groove, improve the stability of installation pole in the mounting groove, and then improve the stability of clamping part position.
More preferably: the side surface of the upright column, which is close to the lower flat plate, is provided with a sliding groove extending along the length direction of the upright column, the lower flat plate is connected with a supporting rod, and one end of the supporting rod is connected in the sliding groove in a sliding manner; the support rod is provided with a concave part matched with the brim.
By adopting the technical scheme, the supporting rod is supported below the safety helmet, and the concave part conveniently realizes the positioning of the safety helmet during lateral placement.
More preferably: the end face of the lower flat plate, which is close to the upper flat plate, is provided with an embedded groove, one end of the supporting rod is embedded in the embedded groove, and the cross section of the sliding groove is rectangular.
By adopting the technical scheme, the lower flat plate is not provided with the convex part, so that the normal operation of the rigidity test is not influenced.
To sum up, the utility model discloses following beneficial effect has:
1. by arranging the clamping part, the brim of the safety helmet is lifted in the limiting groove along with the lifting of the lower flat plate, so that the real-time limiting of the safety helmet is realized until the upper flat plate and the lower flat plate clamp the safety helmet, the clamping part is taken down from the upright post, and the test is continued until the test is finished;
2. by arranging the mounting groove, the mounting rod and the magnetic sheet, the mounting of the mounting rod is facilitated, and the positions of the left rod and the right rod in the mounting groove are improved;
3. the clamping part and the connecting rod can be detachably connected by arranging the threaded sleeve, the mounting rod and the clamping part can be detached by rotating the threaded sleeve to be separated from the extension rod or the mounting rod, and the distance between the clamping part and the mounting rod can be adjusted;
4. through setting up bracing piece and depressed part, the bracing piece supports in the safety helmet below, and the convenient location when realizing the safety helmet side direction and placing of depressed part.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a partial cross-sectional view of section a-a in fig. 2.
Reference numerals: 1. an electrical appliance control box; 2. a test platform; 21. a lower flat plate; 211. caulking grooves; 22. a lifting rod; 3. a column; 31. mounting grooves; 32. a magnetic sheet; 33. a chute; 4. a cross beam; 41. an upper flat plate; 5. a head die; 6. a clamping portion; 61. a connecting rod; 62. a limiting block; 621. a limiting groove; 7. mounting a rod; 71. a left lever; 72. a right lever; 73. a first thread segment; 8. an extension rod; 81. a second thread segment; 82. a threaded sleeve; 9. a support bar; 91. a recessed portion.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Refer to fig. 1, do the utility model discloses a lower bumper cap and raw and take intensity side direction rigidity tester, including electrical apparatus control box 1, 1 upper surface of electrical apparatus control box is test platform 2. The upright post 3 is provided with a clamping part 6 for clamping two sides of the safety helmet.
The test platform 2 is vertically fixed with a stand column 3, the upper end of the stand column 3 is fixed with a horizontal cross beam 4, and a head die 5 for placing a safety helmet is fixed above the cross beam 4. A lower flat plate 21 is fixed below the cross beam 4, a lower flat plate 21 is installed on the test platform 2, and a threaded rod is fixed below the lower flat plate 21. One end of the lifting rod 22 is located in the electrical appliance control box 1, and a lifting part (not shown in the figure) for driving the lower flat plate 21 to lift is arranged in the electrical appliance control box 1.
As shown in fig. 2 and 3, the upright column 3 is horizontally provided with an installation groove 31 with a rectangular cross section, and two horizontal ends of the installation groove 31 penetrate through the upright column 3; the installation rod 7 is arranged in the installation groove 31, two ends of the installation rod 7 are located outside the installation groove 31, the installation rod 7 is composed of a left rod 71 and a right rod 72, the cross section of the length of the left rod 71 and the length of the right rod 72 located in the installation groove 31 are rectangular matched with the installation groove 31, the cross section of the length of the left rod 71 and the cross section of the length of the right rod 72 located outside the upright post 3 are rectangular, and the installation rod 7 is prevented from rotating in the installation groove 31. The magnetic sheet 32 is fixed in the middle of the mounting groove 31, and the left rod 71 and the right rod 72 are made of iron and have end surfaces attached to both sides of the magnetic sheet 32 to realize fixation.
As shown in fig. 2, the clamping portion 6 is connected to the end portions of the left and right rods 71 and 72 located outside the column 3. Clamping part 6 includes the level setting and with installation pole 7 vertically connecting rod 61, be fixed in the stopper 62 of connecting rod 61 tip, vertically on the stopper 62 seted up spacing groove 621, both ends all link up with the one side of dull and stereotyped 21 down towards about spacing groove 621.
As shown in fig. 3, an extension rod 8 is vertically fixed at one end of the connecting rod 61 where the limit block 62 is not fixed, and the central axis of the extension rod 8 is collinear with the central axis of the mounting rod 7. The connecting rod 61 is provided with a first thread section 73, the extension rod 8 is externally provided with a second thread section 81, the first thread section 73 and the second thread section 81 are arranged at intervals, and the first thread section 73 and the second thread section 81 are in threaded connection with a thread sleeve 82. Through rotating thread bush 82, can realize the dismouting of extension rod 8 and connecting rod 61, adjust the interval between extension rod 8 and the connecting rod 61 and can realize the adjustment of distance between two clamping parts 6, come the safety helmet of the different models of adaptation.
As shown in fig. 1, a sliding groove 33 with a rectangular cross section is vertically formed in the side surface, close to the lower flat plate 21, of the upright column 3, one side, close to the lower flat plate 21, of the sliding groove 33 is penetrated, an embedded groove 211 is formed in the lower flat plate 21, one end, embedded with a supporting rod 9, of the embedded groove 211 is arranged, the other end of the supporting rod 9 is connected to the sliding groove 33 in a sliding mode, a concave portion 91 is formed in the length direction of the supporting rod 9, and the brim of the helmet is located in the concave portion 91, so that.
The implementation principle of the embodiment is as follows: during lateral rigidity testing, the right rod 72 is taken out of the mounting groove 31, the safety helmet is placed on the supporting rod 9, the helmet brim is located in the concave portion 91, the helmet brim is located in the limiting groove 621 of the limiting block 62 connected with the left rod 71, the right rod 72 is inserted into the mounting groove 31 until being adsorbed with the magnetic sheet 32, and the limiting groove 621 of the limiting block 62 on the right rod 72 is inserted into the helmet brim. And starting the test, wherein the upper flat plate 41 gradually rises until the upper flat plate 41 and the lower flat plate 21 clamp the helmet, taking the left rod 71 and the right rod 72 out of the mounting groove 31, and continuing the test.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A lateral rigidity tester with strength from bottom to top for safety helmets comprises an electrical appliance control box (1), a test platform (2), a stand column (3) vertically fixed on the test platform (2), a cross beam (4) horizontally fixed at the upper end of the stand column (3), and a head die (5) fixed above the cross beam (4), wherein an upper flat plate (41) is fixed below the cross beam (4), a lifting part is arranged in the electrical appliance control box (1), the lifting part penetrates through the test platform (2) and is fixed with a lower flat plate (21), the safety helmet is characterized by further comprising a clamping part (6) for fixing the safety helmet, wherein the clamping part (6) comprises a connecting rod (61) and a limiting block (62) fixed at the end part of the connecting rod (61), a limiting groove (621) for limiting the position of the brim of the helmet is formed in the limiting block (62), the limiting groove (621) is parallel to the length direction of the upright post (3) and is formed, and two ends of the limiting groove are communicated; both sides of the vertical direction of the upright post (3) are detachably connected with connecting rods (61).
2. The lower-and-upper-intensity lateral rigidity tester for safety helmets according to claim 1, wherein the upright post (3) is provided with a mounting groove (31), two ends of the upright post (3) in the length direction perpendicular to the mounting groove (31) penetrate through the upright post (3), a mounting rod (7) is arranged in the mounting groove (31), the mounting rod (7) is composed of a left rod (71) and a right rod (72), and the mounting rod is located on one side of the vertical portion away from the cross beam (4).
3. The lower-and-upper-intensity lateral rigidity tester for safety helmets according to claim 2, wherein the magnetic sheet (32) is fixed in the mounting groove (31), and the left rod (71) and the right rod (72) are made of ferromagnetic substances.
4. The lower-and-upper-line strength lateral rigidity tester for safety helmets according to claim 2, wherein an extension rod (8) parallel to the mounting rod (7) is fixed to the end of the connecting rod (61), and the extension rod (8) and the mounting rod (7) are connected with threaded sleeves (82) through external threads.
5. The lower-and-upper-line strength lateral rigidity tester for safety helmets according to claim 4, wherein the mounting rod (7) is externally provided with a first thread section (73), the extension rod (8) is externally provided with a second thread section (81), the first thread section (73) and the second thread section (81) are arranged at intervals, and the thread sleeve (82) is in threaded connection with the first thread section (73) and the second thread section (81).
6. The lower-and-upper-intensity lateral rigidity tester for safety helmets according to claim 2, wherein the cross section of the mounting groove (31) is rectangular, the cross section of the part, located in the mounting groove (31), of the mounting rod (7) is rectangular, and the cross section of the end part, located outside the mounting groove (31), of the mounting rod is circular.
7. The lower-and-upper-intensity lateral rigidity tester for safety helmets according to claim 1, wherein a sliding groove (33) extending along the length direction of the upright post (3) is formed in the side surface, close to the lower flat plate (21), of the upright post (3), a supporting rod (9) is connected to the lower flat plate (21), and one end of the supporting rod (9) is slidably connected into the sliding groove (33); the support rod (9) is provided with a concave part (91) matched with the brim.
8. The lower-and-upper-intensity lateral rigidity tester for safety helmets according to claim 7, wherein an embedding groove (211) is formed in the end face, close to the upper flat plate (41), of the lower flat plate (21), one end of the support rod (9) is embedded in the embedding groove (211), and the cross section of the sliding groove (33) is rectangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357070.3U CN210981699U (en) | 2019-12-24 | 2019-12-24 | Settlement and banding intensity lateral rigidity tester under safety helmet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922357070.3U CN210981699U (en) | 2019-12-24 | 2019-12-24 | Settlement and banding intensity lateral rigidity tester under safety helmet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981699U true CN210981699U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922357070.3U Active CN210981699U (en) | 2019-12-24 | 2019-12-24 | Settlement and banding intensity lateral rigidity tester under safety helmet |
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| Country | Link |
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| CN (1) | CN210981699U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532819A (en) * | 2021-06-22 | 2021-10-22 | 北京力达塑料制造有限公司 | Tension and compression testing machine for safety helmet |
-
2019
- 2019-12-24 CN CN201922357070.3U patent/CN210981699U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532819A (en) * | 2021-06-22 | 2021-10-22 | 北京力达塑料制造有限公司 | Tension and compression testing machine for safety helmet |
| CN113532819B (en) * | 2021-06-22 | 2024-03-26 | 北京力达塑料制造有限公司 | Safety helmet tension-compression testing machine |
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