CN216807860U - Internal stress type automatic hydraulic loading device - Google Patents
Internal stress type automatic hydraulic loading device Download PDFInfo
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- CN216807860U CN216807860U CN202220552560.8U CN202220552560U CN216807860U CN 216807860 U CN216807860 U CN 216807860U CN 202220552560 U CN202220552560 U CN 202220552560U CN 216807860 U CN216807860 U CN 216807860U
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Abstract
The utility model relates to the technical field of horizontal test furnace loading, in particular to an internal stress type automatic hydraulic loading device; the large car device comprises a large car device, a lifting mechanism, a hydraulic mechanism, a furnace body and a furnace cover, the large car device comprises a portal frame and a moving mechanism, the hydraulic mechanism comprises a loading frame, a plurality of hydraulic cylinders and two lifting beams, the lifting mechanism comprises a first-level speed reducer, two first couplers, two second-level speed reducers, two second couplers and four chain wheel devices, the furnace cover is placed at the bottom of the loading frame, the hydraulic cylinders are started to support the furnace cover, the loading frame is slowly lifted to the top of the portal frame through the four chain wheel devices, the moving mechanism is started, the portal frame is moved to the upper portion of the furnace body, then the lifting mechanism stops running, the loading frame naturally descends under the action of gravity, the furnace cover is loaded on the furnace body, compared with a loading system of a traditional horizontal test furnace, the automation degree of the system is higher, and the working strength of workers is reduced.
Description
Technical Field
The utility model relates to the technical field of horizontal test furnace loading, in particular to an internal stress type automatic hydraulic loading device.
Background
The fire resistance test is a test method for detecting the fire resistance of a building component by simulating a real fire, the fire resistance of a tested piece can be correctly judged by carrying out a fire resistance limit test, so as to provide instructive data for building design and acceptance, thereby improving the fire safety of a building, for a horizontal building component bearing weight such as a floor slab, a roof, a beam and the like, not only the horizontal separation function is played in a building structure, but also the vertical load function of the structure is more important, therefore, in the judgment criterion of the fire resistance of the horizontal bearing separation component, the fire resistance test is carried out after a constant test load is applied to the test piece, the bearing capacity, the fire resistance integrity and the fire resistance and heat insulation performance are measured and judged, and if the bearing capacity of the test piece does not meet the requirement, the heat insulation performance and the integrity of the test piece are automatically considered to meet the requirement, therefore, for the load-bearing horizontal building element, the bearing capacity of the load-bearing horizontal building element in a fire resistance test is the most important, and therefore, the judgment on the load-bearing capacity of the test piece is particularly important for accurately applying the design load and ensuring the constant load in the test process.
The horizontal test furnace is heating equipment for testing the fire resistance of a test piece, is used for simulating the fire resistance of a building on a fire scene, and comprises a furnace body, a heating system, a loading system, a control system and the like. However, the loading system of the existing horizontal test furnace has the defects of high degree of manual participation, low automation degree and high working strength of workers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an internal stress type automatic hydraulic loading device, which solves the problem that the loading system of the existing horizontal test furnace in the prior art is low in automation degree.
In order to achieve the purpose, the utility model provides an internal stress type automatic hydraulic loading device which comprises a cart device, a lifting mechanism, a hydraulic mechanism, a furnace body and a furnace cover, wherein the cart device comprises a portal frame and a moving mechanism, the hydraulic mechanism comprises a loading frame, a plurality of hydraulic cylinders and two lifting beams, and the lifting mechanism comprises a primary speed reducer, two first couplers, two secondary speed reducers, two second couplers and four chain wheel devices;
the portal frame is positioned at one side of the furnace body, the moving mechanism is arranged at the bottom of the portal frame, the loading frame is connected with the portal frame in a sliding manner, the loading frame is provided with a plurality of hydraulic cylinders which are used for loading the furnace cover, the two sides of the loading frame are respectively provided with the lifting beam, the two ends of each lifting beam are respectively provided with a chain connector, four chain wheel devices are respectively connected with the portal frame in a disassembling manner and are respectively positioned at four top points of the portal frame, the output end of each chain wheel device corresponds to the chain connectors, the top of the portal frame is also provided with a cross beam, the middle part of the cross beam is provided with a primary speed reducer base, the two ends of the cross beam are respectively provided with a secondary speed reducer base, the primary speed reducer is installed on the primary speed reducer base, and the two secondary speed reducers are respectively installed on one secondary speed reducer base, the two sides of the first-stage speed reducer are provided with the first couplers, each first coupler is far away from one end of the first-stage speed reducer is connected with the second-stage speed reducer, one side of the second-stage speed reducer is corresponding to one of the chain wheel devices, the other side of the second-stage speed reducer is provided with the second couplers, and one end of the second-stage speed reducer is far away from one of the chain wheel devices.
The moving mechanism comprises two reference moving devices and two driven moving devices, the two reference moving devices are located at the bottom corner of the portal frame and at one end, far away from the furnace body, of the portal frame, and the two driven moving devices are located at the bottom corner of the portal frame and at one end, close to the furnace body, of the portal frame.
The loading frame comprises a loading beam and two loading stand columns, the loading stand columns are arranged on two sides of the loading beam and are connected with the portal frame in a sliding mode, each loading stand column is provided with the lifting beam, one end, far away from the loading beam, of each loading stand column is further provided with a loading supporting leg, and the loading supporting legs are used for placing the furnace cover.
And one side of each loading upright column, which is far away from the loading upright column and is far away from the loading upright column, is provided with a guide wheel device, and the guide wheel devices correspond to the portal frame.
Each chain wheel device is provided with a counterweight body, and each counterweight body is arranged inside the upright post of the portal frame.
Compared with the prior art, the utility model at least has the following technical effects:
the internal stress type automatic hydraulic loading device comprises a loading frame, a hydraulic cylinder, a first-stage speed reducer, a second-stage speed reducer, a loading frame, a moving mechanism, a loading frame, a furnace cover, a first-stage speed reducer, a second-stage speed reducer, a lifting mechanism and a loading frame, wherein the loading frame is arranged at the bottom of the loading frame, the hydraulic cylinder is started to support the furnace cover, the first-stage speed reducer and the second-stage speed reducer are matched to slow down the lifting speed of four chain wheel devices, the loading frame is lifted, so that the loading frame slides to the top of a portal frame, the moving mechanism is started to move the portal frame to the position above a furnace body, and finally the lifting mechanism stops running.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an internal stress type automatic hydraulic loading device provided by the utility model.
Fig. 2 is a partial structural schematic diagram of the internal stress type automatic hydraulic loading device provided by the utility model.
Fig. 3 is a front view of the cart device provided by the present invention.
Fig. 4 is a plan view of the cart device provided by the present invention.
Fig. 5 is a schematic structural diagram of the hydraulic mechanism provided by the present invention.
Fig. 6 is a schematic structural diagram of a lifting mechanism provided by the present invention.
Fig. 7 is a top view of a lifting mechanism provided by the present invention.
The device comprises a large vehicle device 1, a lifting mechanism 2, a hydraulic mechanism 3, a furnace body 4, a furnace cover 5, a portal frame 6, a moving mechanism 7, a loading frame 8, a hydraulic cylinder 9, a lifting beam 10, a primary speed reducer 11, a first coupling 12, a secondary speed reducer 13, a secondary coupling 14, a chain wheel device 15, a chain connector 16, a beam 17, a primary speed reducer base 18, a secondary speed reducer base 19, a reference moving device 20, a driven moving device 21, a loading beam 22, a loading upright column 23, a loading supporting leg 24, a guide wheel device 25 and a counterweight 26.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 7, the present invention provides an internal stress type automatic hydraulic loading device, which includes a cart device 1, a lifting mechanism 2, a hydraulic mechanism 3, a furnace body 4 and a furnace cover 5, wherein the cart device 1 includes a gantry 6 and a moving mechanism 7, the hydraulic mechanism 3 includes a loading frame 8, a plurality of hydraulic cylinders 9 and two lifting beams 10, and the lifting mechanism 2 includes a primary speed reducer 11, two first couplers 12, two secondary speed reducers 13, two second couplers 14 and four chain wheel devices 15.
The portal frame 6 is positioned at one side of the furnace body 4, the moving mechanism 7 is arranged at the bottom of the portal frame 6, the loading frame 8 is connected with the portal frame 6 in a sliding manner, the loading frame 8 is provided with a plurality of hydraulic cylinders 9, the hydraulic cylinders 9 are used for loading the furnace cover 5, the two sides of the loading frame 8 are respectively provided with the lifting beam 10, two ends of each lifting beam 10 are respectively provided with a chain connector 16, four chain wheel devices 15 are respectively connected with the portal frame 6 in a dismounting manner and are respectively positioned at four top points of the portal frame 6, the output end of each chain wheel device 15 corresponds to the chain connector 16, the top of the portal frame 6 is also provided with a crossbeam 17, the middle part of the crossbeam 17 is provided with a primary speed reducer base 18, two ends of the crossbeam 17 are respectively provided with a secondary speed reducer base 19, one-level speed reducer 11 is installed on one-level speed reducer frame 18, two second reduction gear 13 is installed one respectively on second reduction gear frame 19, one-level speed reducer 11's both sides all are provided with first shaft coupling 12, every first shaft coupling 12 is kept away from one-level speed reducer 11's one end all with second reduction gear 13 connects, one side and arbitrary one of second reduction gear 13 sprocket gear 15 is corresponding, second reduction gear 13's opposite side is provided with second shaft coupling 14, second shaft coupling 14 is kept away from second reduction gear 13's one end and arbitrary one sprocket gear 15 is corresponding.
In this embodiment, after the furnace cover 5 is placed at the bottom of the loading frame 8, the hydraulic cylinder 9 is started to support the furnace cover 5, the lifting speed of the four sprocket devices 15 is reduced through the cooperation of the first-stage speed reducer 11 and the two second-stage speed reducers 13, the loading frame 8 is lifted, so that the loading frame 8 slides to the top of the portal frame 6, the moving mechanism 7 is started to move the portal frame 6 to the upper side of the furnace body 4, then the lifting mechanism 2 stops operating, the loading frame 8 naturally descends under the action of gravity, so that the furnace cover 5 is loaded on the furnace body 4.
Further, the moving mechanism 7 includes two reference moving devices 20 and two driven moving devices 21, the two reference moving devices 20 are both located at the bottom corner of the gantry 6 and at one end of the gantry 6 far away from the furnace body 4, and the two driven moving devices 21 are both located at the bottom corner of the gantry 6 and at one end of the gantry 6 close to the furnace body 4.
In this embodiment, the driving motor is started to provide power for the two reference moving devices 20, so that the moving wheels on the two reference moving devices 20 are used to control the gantry 6 to move, the driven moving device 21 is arranged on one side of the gantry 6 close to the furnace body 4, so that the two reference moving devices 20 and the two driven moving devices 21 are respectively located at four bottom corners of the gantry 6, and the gantry 6 is more stable in moving.
Further, the loading frame 8 includes a loading beam 22 and two loading columns 23, the two sides of the loading beam 22 are provided with the loading columns 23, the loading columns 23 are slidably connected with the gantry 6, each of the loading columns 23 is provided with the lifting beam 10, each of the loading columns 23 is provided with a loading support leg 24 at one end far away from the loading beam 22, the loading support leg 24 is used for placing the furnace cover 5, one side of each of the loading columns 23 far away from the loading support leg 24 is provided with a guide wheel device 25, and the guide wheel device 25 corresponds to the gantry 6.
In this embodiment, each loading column 23 is provided with the loading support leg 24, the furnace cover 5 is placed by using the loading support leg 24, the loading column 23 is further provided with the guide wheel device 25, and the lifting direction of the loading frame 8 is guided by the guide wheel device 25, so that when the loading frame 8 is lifted, the loading frame 8 is lifted along the column of the gantry 6, and the loading frame 8 is more stable when sliding on the gantry 6.
Further, each chain wheel device 15 is provided with a counterweight body 26, and each counterweight body 26 is arranged inside the column of the portal frame 6.
In the present embodiment, by providing the weight body 26 on each of the sprocket devices 15, when the loading frame 8 is pulled to slide on the gantry 6 by the sprocket devices 15, the weight of the loading frame 8 is balanced by the weight of the weight body 26, so that the loading frame 8 is more stable during lifting.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (5)
1. An internal stress type automatic hydraulic loading device is characterized by comprising a cart device (1), a lifting mechanism (2), a hydraulic mechanism (3), a furnace body (4) and a furnace cover (5), wherein the cart device (1) comprises a portal frame (6) and a moving mechanism (7), the hydraulic mechanism (3) comprises a loading frame (8), a plurality of hydraulic cylinders (9) and two lifting beams (10), and the lifting mechanism (2) comprises a primary speed reducer (11), two first couplers (12), two secondary speed reducers (13), two second couplers (14) and four chain wheel devices (15);
the furnace body is characterized in that the portal frame (6) is positioned on one side of the furnace body (4), the moving mechanism (7) is arranged at the bottom of the portal frame (6), the loading frame (8) is in sliding connection with the portal frame (6), the loading frame (8) is provided with a plurality of hydraulic cylinders (9), the hydraulic cylinders (9) are used for loading the furnace cover (5), the two sides of the loading frame (8) are provided with the lifting beams (10), the two ends of each lifting beam (10) are provided with chain connectors (16), the four chain wheel devices (15) are detachably connected with the portal frame (6) and are respectively positioned at the four top points of the portal frame (6), the output end of each chain wheel device (15) corresponds to the chain connectors (16), the top of the portal frame (6) is also provided with a crossbeam (17), a primary speed reducer base (18) is arranged in the middle of the cross beam (17), two secondary speed reducer bases (19) are arranged at two ends of the cross beam (17), the primary speed reducer (11) is arranged on the primary speed reducer base (18), the two secondary speed reducers (13) are respectively arranged on one secondary speed reducer base (19), the two sides of the primary speed reducer (11) are respectively provided with the first couplers (12), one end of each first coupler (12) far away from the primary speed reducer (11) is connected with the secondary speed reducer (13), one side of the secondary speed reducer (13) corresponds to any one chain wheel device (15), the other side of the secondary speed reducer (13) is provided with the second coupling (14), one end, far away from the secondary speed reducer (13), of the second coupling (14) corresponds to any one of the chain wheel devices (15).
2. The internally stressed automatic hydraulic loading apparatus of claim 1,
the moving mechanism (7) comprises two reference moving devices (20) and two driven moving devices (21), the two reference moving devices (20) are located at the bottom angle of the portal frame (6) and located at one end, far away from the furnace body (4), of the portal frame (6), and the two driven moving devices (21) are located at the bottom angle of the portal frame (6) and located at one end, close to the furnace body (4), of the portal frame (6).
3. The internally stressed automatic hydraulic loading apparatus of claim 1,
the loading frame (8) comprises a loading beam (22) and two loading upright columns (23), wherein the loading upright columns (23) are arranged on two sides of the loading beam (22), the loading upright columns (23) are connected with the portal frame (6) in a sliding mode, each loading upright column (23) is provided with the lifting beam (10), each loading upright column (23) is far away from one end of the loading beam (22) and is provided with a loading supporting leg (24), and the loading supporting leg (24) is used for placing the furnace cover (5).
4. The internally stressed automatic hydraulic loading apparatus of claim 3,
each loading upright post (23) is far away from one side close to the loading upright post (23) and is provided with a guide wheel device (25), and the guide wheel devices (25) correspond to the portal frame (6).
5. The internally stressed automatic hydraulic loading apparatus of claim 1,
each chain wheel device (15) is provided with a balance weight body (26), and each balance weight body (26) is arranged inside the upright post of the portal frame (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552560.8U CN216807860U (en) | 2022-03-15 | 2022-03-15 | Internal stress type automatic hydraulic loading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220552560.8U CN216807860U (en) | 2022-03-15 | 2022-03-15 | Internal stress type automatic hydraulic loading device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216807860U true CN216807860U (en) | 2022-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220552560.8U Active CN216807860U (en) | 2022-03-15 | 2022-03-15 | Internal stress type automatic hydraulic loading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216807860U (en) |
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2022
- 2022-03-15 CN CN202220552560.8U patent/CN216807860U/en active Active
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