CN216899875U - Extremely high temperature preprocessing device for helmet test - Google Patents
Extremely high temperature preprocessing device for helmet test Download PDFInfo
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- CN216899875U CN216899875U CN202122474477.1U CN202122474477U CN216899875U CN 216899875 U CN216899875 U CN 216899875U CN 202122474477 U CN202122474477 U CN 202122474477U CN 216899875 U CN216899875 U CN 216899875U
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Abstract
The utility model discloses an extremely high temperature pretreatment device for helmet testing, which comprises a bottom plate, wherein the inside of the bottom plate is in a cavity shape, an annular fence is fixedly arranged at the top end of the bottom plate, a lifting table is arranged above the top end of the bottom plate, the lifting table and the bottom plate are connected through an electric lifting mechanism, the inside of the lifting table is in a cavity shape, four temperature control head molds are arranged at the top end of the lifting table, the inside of each temperature control head mold is in a hollow shape, and circulating water pipes are distributed in the temperature control head molds. Has the advantages that: keeping the temperature of 150 ℃ in the test box and the temperature of 50 ℃ in the head die, automatically descending the head die after the set test time is up to 60min, leaving the test box and accompanying with a buzzing prompt tone, completing the test once, and paying attention to the fact that a buzzing needs to be installed on the outer wall of the test box, and if the buzzing needs to be preprocessed again, repeating the steps. If not, the power supply is turned off, and equipment maintenance is carried out.
Description
Technical Field
The utility model relates to the field of high-temperature pretreatment of safety helmets, in particular to an extremely high-temperature pretreatment device for safety helmet testing.
Background
The safety helmet is designed and produced according to national standards GB 2811-.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an extremely high temperature pretreatment device for helmet testing, to solve the above problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
an extremely high temperature pretreatment device for helmet testing comprises a bottom plate, wherein the inside of the bottom plate is in a cavity shape, an annular fence is fixedly arranged at the top end of the bottom plate, a lifting table is arranged above the top end of the bottom plate, the lifting table is connected with the bottom plate through an electric lifting mechanism, the inside of the lifting table is in a cavity shape, four temperature control head dies are arranged at the top end of the lifting table, the inside of each temperature control head die is in a hollow shape, a circulating water pipe is distributed in each temperature control head die and connected with an external water pump, a thermocouple is arranged in each temperature control head die, stand columns are fixedly arranged on two sides of the top end of the bottom plate, a testing box is fixedly arranged between the tops of the stand columns, a plurality of heating devices are respectively arranged in the testing box and the temperature control head dies, each heating device is an electric heating piece, and a secondary circulating water pipe is distributed in the testing box, the auxiliary circulating water pipe is connected with an external auxiliary water pump, an auxiliary thermocouple is installed inside the test box, an electric appliance control button, a temperature display and a time automatic controller are arranged on the outer wall of the bottom plate, control buttons are installed on the controller and the time automatic controller, and a penetrating port for the temperature control head die to penetrate is formed in the bottom of the test box.
Furthermore, the electric lifting mechanism comprises two groups of lifting arms, the number of each group of lifting arms is two, the middle part of each group of lifting arms is hinged to form an X-shaped arrangement, the common end of each group of lifting arms is hinged to the bottom end in the bottom plate and the bottom end of the lifting platform respectively, the common other end of each group of lifting arms is in sliding fit in the bottom plate and the bottom end of the lifting platform respectively, pulleys are mounted on the common other end of each group of lifting arms, sliding plates matched with the pulleys are fixedly arranged in the bottom plate and at the bottom end of the lifting platform respectively, pulley grooves are formed in the sliding plates, the lifting arms at the outer sides of each group are fixedly connected through fixing frames, a plurality of fixing frames are arranged, an auxiliary fixing frame is fixedly arranged between the lifting arms at the inner side of each group, and a vertical plate is fixedly arranged at the top end of the auxiliary fixing frame, the vertical plate is hinged with an electric push rod, and the other end of the electric push rod is hinged with one of the fixing frames.
Furthermore, the outer side wall of the lifting platform and the outer side wall of the bottom plate are both provided with heat dissipation ports, and the test box is a heat preservation box body.
Furthermore, a steel sheet is fixedly arranged on the outer wall of the temperature control head die and is fixed to the top end of the lifting platform through screws.
Further, the exhaust fan is installed to the test box outer wall, the exhaust pipe of exhaust fan with the inside intercommunication setting of test box, install the air door on the test box.
Compared with the prior art, the utility model has the following beneficial effects:
setting required temperature and test time, controlling the working time of elements by a time automatic controller, controlling the working time of the time automatic controller, controlling the temperature in a test box to be 150 ℃, controlling the temperature in a temperature control head die to be 50 ℃ and controlling the testing time to be 60min, sleeving a safety helmet on the temperature control head die, arranging control buttons on the time automatic controller, thereby carrying out operation control on the time of an electric appliance element, paying attention to that five-circuit temperature measuring systems are arranged, respectively collecting the interior of the test box and the interior of four head dies, independently collecting and outputting by an independent unit, arranging five sets of circulating water pipes, ensuring that the temperatures in the test box and the head dies meet standard requirements, cooling the corresponding interiors by water in the circulating water pipes, monitoring the temperatures by matching with a thermocouple and an auxiliary thermocouple, displaying the monitored temperatures on a temperature display, and starting heating the test box and the head dies at the moment after the safety helmet is worn, and the thermal cycle is carried out continuously, the display of the temperature display sequentially indicates the temperature in the test box and the temperature in the head die, after the temperature in the test box reaches the set temperature of 150 ℃, the head die is driven by the electric lifting mechanism to automatically rise and enter the test box, in the test process, the temperature of 150 ℃ in the test box and the temperature of 50 ℃ in the head die are automatically maintained, after the set test time is reached for 60min, the head die automatically descends, leaves the test box and is accompanied with a buzzing prompt tone, the test is finished once, and the buzzing is required to be installed on the outer wall of the test box, and the steps are repeated if necessary. If not, the power supply is turned off, and equipment maintenance is carried out.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of an ultra-high temperature pretreatment device for helmet testing according to an embodiment of the present invention;
fig. 2 is an overall schematic view of an extremely high temperature pretreatment device for helmet testing according to an embodiment of the present invention.
Reference numerals:
1. a base plate; 2. a lifting platform; 3. controlling the temperature of the head die; 4. a column; 5. a test box; 6. a temperature display; 7. a lifting arm; 8. a pulley; 9. a slide plate; 10. a pulley groove; 11. a fixed mount; 12. a vertical plate; 13. an electric push rod; 14. and a heat dissipation port.
Detailed Description
The following, with reference to the drawings and the detailed description, further description of the present invention is made:
in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein and, therefore, the present invention is not limited to the specific embodiments disclosed in the following description.
The first embodiment is as follows:
referring to fig. 1-2, an extremely high temperature pretreatment device for helmet testing according to an embodiment of the present invention includes a bottom plate 1, the bottom plate 1 is hollow, an annular fence is fixed on the top end of the bottom plate 1, a lifting table 2 is arranged above the top end of the bottom plate 1, the lifting table 2 is connected to the bottom plate 1 through an electric lifting mechanism, the lifting table 2 is hollow, four temperature control head molds 3 are mounted on the top end of the lifting table 2, the temperature control head molds 3 are hollow, a circulation water pipe is arranged inside the temperature control head molds 3, the circulation water pipe is connected to an external water pump, a thermocouple is mounted inside each temperature control head mold 3, vertical columns 4 are fixed on both sides of the top end of the bottom plate 1, a test box 5 is fixed between the tops of the vertical columns 4, and a plurality of heating devices are mounted inside the test box 5 and inside the temperature control head molds 3, the heating device is an electric heating sheet, an auxiliary circulating water pipe is arranged inside the test box 5 and connected with an external auxiliary water pump, an auxiliary thermocouple is arranged inside the test box 5, an electric appliance control button, a temperature display 6 and a time automatic controller are arranged on the outer wall of the bottom plate 1, control buttons are arranged on the time automatic controller, and a penetrating port for the temperature control head die 3 to penetrate is formed in the bottom of the test box 5.
Example two:
referring to fig. 1-2, the inside of the bottom plate 1 is a cavity, an annular fence is fixedly arranged at the top end of the bottom plate 1, a lifting table 2 is arranged above the top end of the bottom plate 1, the lifting table 2 is connected with the bottom plate 1 through an electric lifting mechanism, the inside of the lifting table 2 is a cavity, four temperature control head molds 3 are arranged at the top end of the lifting table 2, the inside of the temperature control head molds 3 is hollow, a circulating water pipe is distributed inside the temperature control head molds 3 and is connected with an external water pump, a thermocouple is arranged inside each temperature control head mold 3, stand columns 4 are fixedly arranged on two sides of the top end of the bottom plate 1, a test box 5 is fixedly arranged between the tops of the stand columns 4, a plurality of heating devices are arranged inside the test box 5 and inside the temperature control head molds 3, and are electric heating sheets, an auxiliary circulating water pipe is arranged in the test box 5 and connected with an external auxiliary water pump, an auxiliary thermocouple is arranged in the test box 5, an electric appliance control button, a temperature display 6 and an automatic time controller are arranged on the outer wall of the bottom plate 1, control buttons are arranged on the automatic time controller, a through hole for the temperature control head die 3 to penetrate is formed in the bottom of the test box 5, the electric lifting mechanism comprises two groups of lifting arms 7, the number of the lifting arms 7 in each group is two, the middle part of each group of the lifting arms 7 is hinged in an X-shaped arrangement, the common end of each group of the lifting arms 7 is hinged to the inner bottom end of the bottom plate 1 and the bottom end of the lifting platform 2, the common other end of each group of the lifting arms 7 is respectively in sliding fit with the inner portion of the bottom plate 1 and the bottom of the lifting platform 2, and a pulley 8 is arranged at the common other end of each group of the lifting arms 7, the bottom plate 1 inside with 2 bottom of elevating platform all fixed be equipped with 8 assorted slides 9 of pulley, the pulley groove 10 has been seted up on the slide 9, every group outside carry out fixed connection through mount 11 between the lifing arm 7, the quantity of mount 11 is a plurality of, and every group is inboard fixed be equipped with vice mount between the lifing arm 7, the fixed vertical plate 12 that is equipped with in vice mount top, the articulated electric putter 13 that is equipped with on the vertical plate 12, the electric putter 13 other end with one of them mount 11 is articulated mutually.
Through the scheme of the utility model, the beneficial effects are as follows: electric putter 13 work, its electric putter 13's body extension, notice, the articulated vertical plate 12 of electric putter 13 one end, the other end articulates on mount 11, consequently, electric putter 13 body extension drives two lifing arms 7 of every group and expandes or folding work, cooperation pulley 8 slides in slide 9's pulley groove 10, finally can be steady drive elevating platform 2 rise and descend, it is inside finally to drive the automatic rising of head mould and get into test box 5, notice, get into test box 5 inside back, the minimum and the test box 5 bottom surface parallel and level of its safety helmet, guarantee the inseparabler of junction between the two.
Example three:
referring to fig. 1-2, the inside of the bottom plate 1 is a cavity, an annular fence is fixedly arranged at the top end of the bottom plate 1, a lifting table 2 is arranged above the top end of the bottom plate 1, the lifting table 2 is connected with the bottom plate 1 through an electric lifting mechanism, the inside of the lifting table 2 is a cavity, four temperature control head molds 3 are arranged at the top end of the lifting table 2, the inside of the temperature control head molds 3 is hollow, a circulating water pipe is distributed inside the temperature control head molds 3 and is connected with an external water pump, a thermocouple is arranged inside each temperature control head mold 3, stand columns 4 are fixedly arranged on two sides of the top end of the bottom plate 1, a test box 5 is fixedly arranged between the tops of the stand columns 4, a plurality of heating devices are arranged inside the test box 5 and inside the temperature control head molds 3, and are electric heating sheets, an auxiliary circulating water pipe is arranged in the test box 5 and is connected with an external auxiliary water pump, an auxiliary thermocouple is arranged in the test box 5, an electric appliance control button, a temperature display 6 and an automatic time controller are arranged on the outer wall of the bottom plate 1, the automatic time controllers are all provided with control buttons, the bottom of the test box 5 is provided with a through hole for the temperature control head die 3 to penetrate in, the outer side wall of the lifting platform 2 and the outer side wall of the bottom plate 1 are both provided with a heat radiation port 14, the test box 5 is a heat preservation box body, a steel sheet is fixedly arranged on the outer wall of the temperature control head die 3, the steel sheet is fixed at the top end of the lifting platform 2 through a screw, an exhaust fan is installed to 5 outer walls of test box, the exhaust pipe of exhaust fan with the inside intercommunication setting of test box 5, install the air door on the test box 5.
Through the scheme of the utility model, the beneficial effects are as follows: the inside discharge that the temperature can be fine of elevating platform 2 and bottom plate 1 is guaranteed in the design of thermovent 14, notice, test head die material is the aluminum alloy, in order to ensure the person, the safety of equipment, the power must have reliable earth connection, must carry out the erection joint of power by professional electrical engineer, the relevant protective articles of suggestion configuration, in case scald etc., control by temperature change head die 3 passes through steel sheet cooperation fix with screw on 2 tops of elevating platform, consequently be convenient for dismantle control by temperature change head die 3, be convenient for change when control by temperature change head die 3 damages, the exhaust fan of test box 5 outer wall installation, can in time arrange the heat in the test box 5 away, inside residual temperature is in time sent away.
For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:
in practical application, setting required temperature and test time, designing working time of elements by a time automatic controller control device, controlling the temperature in a test box 5 to be 150 ℃, the internal temperature of a temperature control head die 3 to be 50 ℃ and the test time to be 60min, sleeving a safety helmet on the temperature control head die 3, arranging control buttons on a time automatic controller, and controlling the operation of the time of electrical elements, wherein five temperature measuring systems are arranged, the internal temperature of the test box 5 and the internal temperature of four head dies are respectively collected, independent units automatically collect and output, five circulating water pipes are arranged, the internal temperature of the test box 5 and the internal temperature of the head dies are ensured to meet standard requirements, water in the circulating water pipes cools the corresponding internal parts, the temperature is monitored by matching with a thermocouple and an auxiliary thermocouple, the monitored temperature is displayed on a temperature display 6, after the safety helmet is worn, the test box 5 and the head dies respectively start to be heated, the thermal cycle is carried out continuously, the temperature in the test box 5 and the head die is indicated in sequence by the display of the temperature display 6, after the temperature in the test box 5 reaches the set temperature of 150 ℃, the head die is driven by the electric lifting mechanism to automatically rise and enter the test box 5, the temperature of 150 ℃ in the test box 5 and the temperature of 50 ℃ in the head die are automatically maintained in the test process, after the set test time is reached for 60min, the head die automatically descends, leaves the test box 5 and is accompanied with a buzzing prompt tone, the test is finished once, and the buzzing is required to be arranged on the outer wall of the test box 5, the steps are repeated if the need is not needed, the power supply is turned off, the equipment is maintained, and the like;
it is noted that in the test process, the temperature in the test box 5 is within the range of 150 +/-5 ℃, the temperature in the head die is within the range of 50 +/-2 ℃, the standard time of the test is 60 +/-2 min, the distance between the thermocouple temperature measuring point of the head die and the midpoint of the head die is less than 40mm, the extremely high temperature pretreatment of the safety cap has no test result and is only used as the temperature regulation treatment of other related experiments.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The extremely high temperature pretreatment device for the helmet test is characterized by comprising a bottom plate (1), wherein the bottom plate (1) is internally in a cavity shape, an annular fence is fixedly arranged at the top end of the bottom plate (1), a lifting table (2) is arranged above the top end of the bottom plate (1), the lifting table (2) is connected with the bottom plate (1) through an electric lifting mechanism, the lifting table (2) is internally in a cavity shape, four temperature control head dies (3) are arranged at the top end of the lifting table (2), the temperature control head dies (3) are internally hollow, circulating water pipes are distributed inside the temperature control head dies (3) and are connected with an external water pump, thermocouples are arranged inside each temperature control head die (3), stand columns (4) are fixedly arranged on two sides of the top end of the bottom plate (1), a test box (5) is fixedly arranged between the tops of the stand columns (4), the temperature control device is characterized in that a plurality of heating devices are arranged inside the test box (5) and inside the temperature control head die (3), each heating device is an electric heating piece, a secondary circulating water pipe is arranged inside the test box (5) and connected with an external secondary water pump, a secondary thermocouple is arranged inside the test box (5), an electric appliance control button, a temperature display (6) and a time automatic controller are arranged on the outer wall of the bottom plate (1), a control button is arranged on the time automatic controller, and a penetrating port for the temperature control head die (3) to penetrate is formed in the bottom of the test box (5).
2. The extremely-high-temperature pretreatment device for the helmet test according to claim 1, wherein the electric lifting mechanism comprises two sets of lifting arms (7), the number of each set of lifting arms (7) is two, the middle part of each set of lifting arms (7) is hinged in an X-shaped manner, the common end of each set of lifting arms (7) is hinged to the inner bottom end of the bottom plate (1) and the bottom end of the lifting platform (2), the common other end of each set of lifting arms (7) is respectively matched in the bottom plate (1) and the bottom end of the lifting platform (2) in a sliding manner, the common other end of each set of lifting arms (7) is provided with a pulley (8), sliding plates (9) matched with the pulleys (8) are fixedly arranged in the bottom plate (1) and the bottom end of the lifting platform (2), and pulley grooves (10) are formed in the sliding plates (9), every group outside carry out fixed connection through mount (11) between lifing arm (7), the quantity of mount (11) is a plurality of, and every group is inboard fixed being equipped with vice mount between lifing arm (7), vice mount top end is fixed and is equipped with vertical plate (12), articulated on vertical plate (12) are equipped with electric putter (13), electric putter (13) other end and one of them mount (11) are articulated mutually.
3. The extremely-high-temperature pretreatment device for the helmet test according to claim 1, wherein the outer side wall of the lifting table (2) and the outer side wall of the base plate (1) are both provided with heat dissipation ports (14), and the test box (5) is a heat preservation box body.
4. The extremely high temperature pretreatment device for the helmet test according to claim 1, wherein a steel sheet is fixed on the outer wall of the temperature control head die (3), and the steel sheet is fixed on the top end of the lifting table (2) through a screw.
5. The extremely-high-temperature pretreatment device for the helmet test according to claim 1, wherein an exhaust fan is installed on the outer wall of the test box (5), an exhaust pipeline of the exhaust fan is communicated with the inside of the test box (5), and a ventilation door is installed on the test box (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474477.1U CN216899875U (en) | 2021-10-14 | 2021-10-14 | Extremely high temperature preprocessing device for helmet test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122474477.1U CN216899875U (en) | 2021-10-14 | 2021-10-14 | Extremely high temperature preprocessing device for helmet test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216899875U true CN216899875U (en) | 2022-07-05 |
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ID=82195467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122474477.1U Active CN216899875U (en) | 2021-10-14 | 2021-10-14 | Extremely high temperature preprocessing device for helmet test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216899875U (en) |
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2021
- 2021-10-14 CN CN202122474477.1U patent/CN216899875U/en active Active
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