CN216807860U - An internal stress type automatic hydraulic loading device - Google Patents

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, which comprises a cart device, a lifting mechanism, a hydraulic mechanism, a furnace body and a furnace cover. The cart device includes a gantry and a moving mechanism. The hydraulic mechanism includes a loading frame, a plurality of hydraulic cylinders and two lifting beams, and the lifting mechanism includes a first stage reducer, two first couplings, two second stage speed reducers, two second couplings and four chains wheel device, place the furnace cover at the bottom of the loading rack, and start the hydraulic cylinder to resist the furnace cover, slowly lift the loading rack to the top of the gantry through the four sprocket devices, and start the moving mechanism to make the gantry move. To the top of the furnace body, then the lifting mechanism stops running, and the loading rack naturally descends under the action of gravity, so that the furnace cover is loaded on the furnace body. Compared with the loading system of the traditional horizontal test furnace, the above system has a higher degree of automation and reduces the Reduce the work intensity of the staff.

Description

An internal stress type automatic hydraulic loading device

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 technique

Fire resistance test is a test method to test the fire resistance performance of building components by simulating a real fire. By carrying out fire resistance limit test, the fire resistance performance of the tested piece can be correctly judged, so as to provide guiding data for building design and acceptance. In order to improve the fire safety of the building, for the load-bearing horizontal building components such as floors, roofs and beams, they not only play the role of horizontal separation in the building structure, but also bear the vertical load of the structure. In the criterion for determining the fire resistance of load-bearing partition members, it is stipulated that the fire resistance test shall be carried out after applying a constant test load to the test piece, and its bearing capacity, fire resistance integrity and fire resistance and heat insulation shall be measured and judged, and it is stipulated that if the "load-bearing capacity" of the test piece is determined. If the "capacity" does not meet the requirements, it is automatically considered that the "insulation" and "integrity" of the specimen do not meet the requirements. It can be seen that for load-bearing horizontal building components, the load-bearing capacity in the fire resistance test is the most important. Therefore, how to accurately apply the design load and ensure that it is constant during the test is particularly important for the determination of the load-bearing capacity of the specimen.

The horizontal test furnace is a heating equipment for the fire resistance test of the specimen, which is used to simulate the fire resistance of the building at the fire site. It consists of a furnace body, a heating system, a loading system, and a control system. However, the loading system of the existing horizontal test furnace requires a high degree of manual participation, a low degree of automation, and a high work intensity of the staff.

Utility model content

The purpose of the utility model is to provide an internal stress type automatic hydraulic loading device, which solves the problem of the low degree of automation of the loading system of the existing horizontal test furnace in the prior art.

In order to achieve the above purpose, the utility model provides an internal stress type automatic hydraulic loading device, the internal stress type automatic hydraulic loading device comprises a cart device, a lifting mechanism, a hydraulic mechanism, a furnace body and a furnace cover, the cart The device includes a gantry frame and a moving mechanism, the hydraulic mechanism includes a loading frame, a plurality of hydraulic cylinders and two lifting beams, and the lifting mechanism includes a primary reducer, two first couplings, and two secondary reducers , two second couplings and four sprocket devices;

The gantry frame is located on one side of the furnace body, the bottom of the gantry frame is provided with the moving mechanism, the loading frame is slidably connected with the gantry frame, and a plurality of the hydraulic A plurality of the hydraulic cylinders are used to load the furnace cover, the lifting beams are provided on both sides of the loading frame, and the two ends of each of the lifting beams are provided with chain connectors. The sprocket devices are all detachably connected to the gantry, and are respectively located at the four vertices of the gantry. The output end of each sprocket device corresponds to the chain connecting head. The gantry The top of the beam is also provided with a beam, the middle of the beam is provided with a first-level reducer seat, both ends of the beam are provided with a second-level reducer seat, and the first-level reducer is installed on the first-level reducer seat. , two of the two-stage reducers are respectively installed on one of the two-stage reducer bases, the first couplings are provided on both sides of the first-stage reducer, and each of the first couplings The end of the reducer away from the first-stage reducer is connected to the second-stage reducer, one side of the second-stage reducer corresponds to any one of the sprocket devices, and the other side of the second-stage reducer corresponds to any one of the sprocket devices. The second coupling is provided, and one end of the second coupling away from the secondary reducer corresponds to any one of the sprocket devices.

Wherein, the moving mechanism includes two reference moving devices and two driven moving devices, and the two reference moving devices are both located at the bottom corners of the gantry, and are located on the gantry away from the furnace body. At one end, the two driven moving devices are both located at the bottom corners of the gantry, and at the end of the gantry close to the furnace body.

Wherein, the loading frame includes a loading beam and two loading columns, the loading columns are provided on both sides of the loading beam, the loading columns are slidably connected with the gantry, and each loading column is The lifting beam is provided, and one end of each of the loading columns away from the loading beam is further provided with a loading support leg, and the loading support leg is used for placing the furnace cover.

Wherein, a guide wheel device is provided on one side of each of the loading columns that is far away from the loading column, and the guide wheel device corresponds to the gantry frame.

Wherein, each of the sprocket devices is provided with a counterweight body, and each of the counterweight bodies is provided inside the column of the gantry frame.

Compared with the prior art, the present invention has at least the following technical effects:

According to an internal stress type automatic hydraulic loading device of the present invention, the furnace cover is firstly placed on the bottom of the loading rack, and the hydraulic cylinder is started to resist the furnace cover, and then the furnace cover passes through the first stage. After the reducer and the two secondary reducers cooperate to slow down the lifting speed of the four sprocket devices, the loading frame is lifted, so as to slide the loading frame to the top of the gantry frame, and then start The moving mechanism makes the gantry move to the top of the furnace body, and finally the lifting mechanism stops running, and the loading frame naturally descends under the action of gravity, so that the furnace cover is loaded on the furnace body , Compared with the loading system of the traditional horizontal test furnace, the above-mentioned system has a higher degree of automation, which reduces the work intensity of the staff.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an internal stress type automatic hydraulic loading device provided by the present invention.

FIG. 2 is a partial structural schematic diagram of the internal stress type automatic hydraulic loading device provided by the present invention.

FIG. 3 is a front view of the cart device provided by the present invention.

FIG. 4 is a top 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 the lifting mechanism provided by the present invention.

7 is a top view of the lifting mechanism provided by the present invention.

1- Cart device, 2- Lifting mechanism, 3- Hydraulic mechanism, 4- Furnace body, 5- Furnace cover, 6- Gantry frame, 7- Moving mechanism, 8- Loading frame, 9- Hydraulic cylinder, 10- Lifting beam , 11-first-stage reducer, 12-first coupling, 13-secondary reducer, 14-second coupling, 15-sprocket device, 16-chain connector, 17-beam, 18-one Stage reducer base, 19-second stage reducer base, 20-reference moving device, 21-driven moving device, 22-loading beam, 23-loading column, 24-loading support leg, 25-guide wheel device, 26- Weights.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to be used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, Rather than indicating or implying that the indicated device or element must have a particular orientation, be constructed and operate in a particular orientation, it should not be construed as a limitation of the present invention. In addition, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

Please refer to FIGS. 1 to 7 , the utility model provides an internal stress type automatic hydraulic loading device, the internal stress type automatic hydraulic loading device includes a cart device 1, a lifting mechanism 2, a hydraulic mechanism 3, a furnace body 4 and a furnace Cover 5, 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 first stage reducer 11. Two first couplings 12, two secondary speed reducers 13, two second couplings 14 and four sprocket devices 15.

The gantry 6 is located on one side of the furnace body 4 , the moving mechanism 7 is provided at the bottom of the gantry 6 , the loading frame 8 is slidably connected with the gantry 6 , and the loading frame 8 is on the A plurality of the hydraulic cylinders 9 are provided, and the plurality of the hydraulic cylinders 9 are used for loading the furnace cover 5 , and the lifting beams 10 are provided on both sides of the loading frame 8 , and each lifting beam 10 Both ends are provided with chain connectors 16, and the four sprocket devices 15 are disassembled and connected to the gantry 6, and are respectively located at the four vertices of the gantry 6. Each of the sprocket devices The output ends of 15 correspond to the chain connectors 16, the top of the gantry 6 is also provided with a beam 17, the middle of the beam 17 is provided with a first-level reducer base 18, and both ends of the beam 17 are A second-stage reducer base 19 is provided, the first-stage reducer 11 is installed on the first-stage reducer base 18 , and the two second-stage reducers 13 are respectively installed on one of the second-stage reducer bases 19 , the first couplings 12 are provided on both sides of the first-stage reducer 11, and each end of the first coupling 12 away from the first-stage reducer 11 is connected to the second-stage reducer one side of the secondary reducer 13 corresponds to any one of the sprocket devices 15, the other side of the secondary reducer 13 is provided with the second coupling 14, the One end of the second coupling 14 away from the secondary reducer 13 corresponds to any one of the sprocket devices 15 .

In this embodiment, the furnace cover 5 is placed at the bottom of the loading frame 8, and the hydraulic cylinder 9 is activated to press against the furnace cover 5, and then the first-stage reducer 11 and the two After the two secondary speed reducers 13 cooperate to slow down the lifting speed of the four sprocket devices 15, the loading frame 8 is lifted, so as to slide the loading frame 8 to the top of the gantry frame 6, and start the The moving mechanism 7 makes the gantry 6 move to the top of the furnace body 4, then the lifting mechanism 2 stops running, and the loading rack 8 naturally descends under the action of gravity, so that the furnace cover 5 is loaded On the furnace body 4, compared with the loading system of the traditional horizontal test furnace, the above-mentioned system has a higher degree of automation, which reduces the work intensity of the staff.

Further, the moving mechanism 7 includes two reference moving devices 20 and two driven moving devices 21 , and the two reference moving devices 20 are both located at the bottom corners of the gantry 6 and located on the gantry. 6. At one end away from the furnace body 4, the two driven moving devices 21 are both located at the bottom corners of the gantry 6 and at the end of the gantry 6 close to the furnace body 4.

In this embodiment, the driving motor is started to provide power to 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 walk. When the gantry 6 is close to The driven moving devices 21 are arranged on one side of the furnace body 4 , so that the two reference moving devices 20 and the two driven moving devices 21 are located at the four bottom corners of the gantry 6 respectively. , thereby making the gantry 6 more stable when moving.

Further, the loading frame 8 includes a loading beam 22 and two loading columns 23, the loading columns 23 are provided on both sides of the loading beam 22, and the loading columns 23 are slidably connected with the gantry 6, The lifting beam 10 is provided on each of the loading columns 23 , and a loading support leg 24 is also provided at the end of each of the loading columns 23 away from the loading beam 22 , and the loading support legs 24 are used for placing In the furnace cover 5 , a guide wheel device 25 is provided on the side of each loading column 23 away from the loading support leg 24 , and the guide wheel device 25 corresponds to the gantry 6 .

In this embodiment, each of the loading columns 23 is provided with the loading support legs 24 , and the furnace cover 5 is placed by using the loading support legs 24 , and the guides are also provided on the loading columns 23 . The wheel device 25 guides the lifting direction of the loading frame 8 through the guide wheel device 25, so that when the loading frame 8 is lifted, the loading frame 8 rises along the column of the gantry 6, Therefore, the loading frame 8 is more stable when sliding on the gantry frame 6 .

Further, each of the sprocket devices 15 is provided with a counterweight 26 , and each of the counterweights 26 is provided inside the column of the gantry 6 .

In this embodiment, the counterweight 26 is provided on each of the sprocket devices 15 , so that when the loading frame 8 is pulled by the sprocket device 15 to slide on the gantry 6 , the weight of the loading frame 8 is balanced by the weight of the counterweight body 26 , so that the loading frame 8 is more stable during the lifting process.

What has been disclosed above is only a preferred embodiment of the present invention, of course, it cannot limit the scope of rights of the present invention. Those of ordinary skill in the art can understand that all or part of the process of realizing the above-mentioned embodiment can be implemented according to the present invention. The equivalent changes made by the claims of the utility model still belong to the scope covered by the utility model.

Claims (5)

1. An internal stress type automatic hydraulic loading device, characterized in that it comprises a cart device (1), a lifting mechanism (2), a hydraulic mechanism (3), a furnace body (4) and a furnace cover (5); the 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), so The hoisting mechanism (2) includes a primary reducer (11), two first couplings (12), two secondary reduction gears (13), two second couplings (14) and four chains Wheel device (15); The gantry (6) is located on one side of the furnace body (4), the bottom of the gantry (6) is provided with the moving mechanism (7), and the loading frame (8) is connected to the gantry. (6) Sliding connection, the loading frame (8) is provided with a plurality of the hydraulic cylinders (9), the plurality of hydraulic cylinders (9) are used for loading the furnace cover (5), the loading frame Both sides of (8) are provided with the lifting beams (10), both ends of each of the lifting beams (10) are provided with chain connectors (16), and the four sprocket devices (15) are Disassembled and connected to the gantry frame (6) and located at the four vertices of the gantry frame (6) respectively, the output end of each sprocket device (15) is connected to the chain connector (16) Correspondingly, the top of the gantry (6) is also provided with a beam (17), the middle of the beam (17) is provided with a first-level reducer base (18), and both ends of the beam (17) are provided with A second-stage reducer base (19), the first-stage reducer (11) is installed on the first-stage reducer base (18), and the two second-stage reducers (13) are respectively installed on one of the two On the stage reducer base (19), the first couplings (12) are provided on both sides of the first stage reducer (11), and each first coupling (12) is far away from the One end of the primary speed reducer (11) is connected to the secondary speed reducer (13), and one side of the secondary speed reducer (13) corresponds to any one of the sprocket devices (15). The second coupling (14) is provided on the other side of the secondary speed reducer (13), and one end of the second coupling (14) away from the secondary speed reducer (13) is connected to any one of the second couplings (14). The sprocket device (15) corresponds to. 2. The internal stress type automatic hydraulic loading device according to claim 1, characterized in that, The moving mechanism (7) includes two reference moving devices (20) and two driven moving devices (21), both of which are located at the bottom corners of the gantry (6) , and is located at the end of the gantry (6) away from the furnace body (4), and the two driven moving devices (21) are both located at the bottom corners of the gantry (6) and located in the The gantry (6) is close to one end of the furnace body (4). 3. The internal stress type automatic hydraulic loading device according to claim 1, characterized in that, The loading frame (8) includes a loading beam (22) and two loading columns (23), the loading columns (23) are provided on both sides of the loading beam (22), and the loading columns (23) The gantry frame (6) is slidably connected, each of the loading columns (23) is provided with the lifting beam (10), and each of the loading columns (23) is away from the side of the loading beam (22). A loading support leg (24) is also provided at one end, and the loading support leg (24) is used for placing the furnace cover (5). 4. The internal stress type automatic hydraulic loading device according to claim 3, characterized in that, A guide wheel device (25) is provided on the side of each loading column (23) away from the loading column (23), and the guide wheel device (25) corresponds to the gantry (6). . 5. The internal stress type automatic hydraulic loading device according to claim 1, characterized in that, Each of the sprocket devices (15) is provided with a counterweight body (26), and each of the counterweight bodies (26) is provided inside the upright column of the gantry frame (6).

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