Tray assistive device for heat treatment pit type tempering furnace

Abstract

A tray assistive device for a heat treatment pit type tempering furnace comprises a tray, two hooks, two bearing ribs and 4n reinforcing ribs. The utility model provides a tray assistive device for a heat treatment pit type tempering furnace, which is convenient for bearing parts to be subjected to heat treatment in a material frame, and the assistive device is lifted by a special lifting appliance to integrally enter and exit from the pit type tempering furnace, so that the lifting process in the tempering operation is safely and efficiently completed. The lifting appliance has a simple structure, is convenient to operate, and is suitable for the conditions that the height of a material frame is lower (such as within 300mm), the height of a pit furnace is deeper (such as more than 1200mm), and a special lifting appliance is inconvenient to take and hang in the pit furnace in the process of lifting in and out of the pit furnace. By applying the tray assistive device, the efficiency and the safety of hoisting parts to be tempered in the material frame into and out of the pit furnace can be effectively improved. The utility model provides a tray assistive device which is used for bearing a material frame (containing parts to be tempered) and then can safely and quickly lift the whole material frame into and out of a pit type tempering furnace by using a special lifting appliance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat treatment processing, concretely relates to a heat treatment pit type tempering furnace tray auxiliary tool. BACKGROUND

[0002] Heat treatment refers to a kind of metal hot working process that materials are in solid state, by means of heating, holding and cooling, to obtain expected organization and performance.Steel is the most widely used metal in industry, and the microstructure of steel is also the most complex, so there are many kinds of steel heat treatment processes.There are four basic processes of annealing, normalizing, quenching and tempering in the overall heat treatment of steel.Among them, tempering refers to the heat treatment process that the workpiece after quenching is heated to a proper temperature below critical point AC1, and then cooled by a method meeting the requirements, to obtain the required organization and performance.

[0003] The hearth of heat treatment pit type tempering furnace is relatively deep and narrow, after putting in the material frame, there is little remaining space in the hearth, if directly using special lifting appliance to lift the material frame into pit type tempering furnace, it is quite difficult and unsafe to take the special lifting appliance under the high temperature of tempering temperature of hundreds of degrees. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a heat treatment pit type tempering furnace tray auxiliary tool, which comprises a tray, two hooks, two bearing ribs, 4n reinforcing ribs, and n is a positive integer.

[0005] The bottoms of the two bearing ribs are respectively installed in the central sides of the tray.

[0006] The two sides of the bearing rib are respectively and evenly arranged with n reinforcing ribs, and the bottom of the reinforcing rib is installed on the tray.

[0007] The top of the bearing rib and the reinforcing rib on one side of the tray are connected together and hung on the hook.

[0008] Further, the tray is provided with a plurality of tempering holes.

[0009] Further, the bottom of the tray is provided with a tray pad.

[0010] Further, the tray is adjusted according to the hearth of pit type tempering furnace, the size of used material frame and the total weight of parts to be heat treated.

[0011] Further, the size of the bearing rib is adjusted according to the hearth of pit type tempering furnace, the size of used material frame and the total weight of parts to be heat treated.

[0012] Further, the size and quantity of the reinforcing rib are adjusted according to the hearth of pit type tempering furnace, the size of used material frame and the total weight of parts to be heat treated.

[0013] Further, the size of the hook is adjusted according to the pit-type tempering furnace hearth, the size of the used material frame and the total weight of the parts to be heat treated.

[0014] Further, the height of the material frame is within 300mm.

[0015] Further, the depth of the pit-type tempering furnace hearth is above 1200mm.

[0016] The technical effect of the utility model is self-evident, and the utility model provides a heat treatment pit-type tempering furnace tray auxiliary tool, which is convenient for carrying the parts to be heat treated in the material frame and hoisting the whole auxiliary tool in and out of the pit-type tempering furnace through a special lifting appliance, so that the hoisting process in the tempering operation is safely and efficiently completed.

[0017] The utility model has the advantages of simple structure, convenient operation and the like, and is suitable for the case that the height of the material frame is relatively low (for example, within 300mm) and the pit-type furnace is relatively deep (for example, the depth of the furnace is above 1200mm), and the special lifting appliance cannot be conveniently taken out of the pit-type furnace during hoisting in and out of the pit-type furnace. The application of the tray auxiliary tool can effectively improve the efficiency and safety of hoisting the parts to be heat treated in the material frame in and out of the pit-type furnace.

[0018] The utility model provides a tray auxiliary tool, which is used for carrying the material frame (containing the parts to be heat treated) and can safely and quickly hoist the whole material frame in and out of the pit-type tempering furnace through the special lifting appliance. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is a top view of the whole structure of the tray auxiliary tool;

[0020] Fig. 2 It is a front view of the whole structure of the tray auxiliary tool;

[0021] Fig. 3 It is a side view of the whole structure of the tray auxiliary tool;

[0022] In the drawing: tray 1, tempering hole 101, tray pad 102, hook 2, bearing rib 3, reinforcing rib 4. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the embodiments, but should not be understood as the above-mentioned subject matter range of the utility model being limited to the following embodiments. According to the ordinary technical knowledge and conventional means in the art, various replacements and changes can be made without departing from the above-mentioned technical thought of the utility model, and all should be included in the protection range of the utility model.

[0024] Embodiment 1:

[0025] Referring to Figs. 1-3The utility model provides a kind of heat treatment pit type tempering furnace tray auxiliary tool, comprising: tray 1, two hooks 2, two bearing ribs 3, 4n reinforcing bars 4, n is positive integer.

[0026] The bottom of the two bearing ribs 3 is respectively installed on the central of the two sides of the tray 1.

[0027] The two sides of the bearing rib 3 are evenly arranged with n reinforcing bars 4 respectively, and the bottom of the reinforcing bar 4 is installed on the tray 1.

[0028] The top of the bearing rib 3 and the reinforcing bar 4 on one side of the tray 1 are connected together and hung on the hook 2.

[0029] Embodiment 2:

[0030] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see embodiment 1, further, the tray 1 is equipped with several tempering holes 101.

[0031] Embodiment 3:

[0032] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see any one of embodiment 1 to 2, further, the bottom of the tray 1 is equipped with tray pad 102.

[0033] Embodiment 4:

[0034] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see any one of embodiment 1 to 3, further, the tray 1 is adjusted according to pit type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0035] Embodiment 5:

[0036] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see any one of embodiment 1 to 4, further, the size of the bearing rib 3 is adjusted according to pit type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0037] Embodiment 6:

[0038] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see any one of embodiment 1 to 5, further, the size and quantity of the reinforcing bar 4 are adjusted according to pit type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0039] Embodiment 7:

[0040] A kind of heat treatment pit type tempering furnace tray auxiliary tool, main technical content see any one of embodiment 1 to 6, further, the size of the hook 2 is adjusted according to pit type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0041] Embodiment 8

[0042] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 1 to 7, further, the height of the material frame is within 300mm.

[0043] Embodiment 9

[0044] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 1 to 8, further, the depth of the pit-type tempering furnace hearth is above 1200mm.

[0045] Embodiment 10

[0046] Referring to Figs. 1-3 A heat treatment pit-type tempering furnace tray auxiliary tool, comprising: a tray 1, two hooks 2, two load-bearing ribs 3, and four reinforcing ribs 4.

[0047] The bottoms of the two load-bearing ribs 3 are respectively installed on the central sides of the tray 1.

[0048] One reinforcing rib 4 is evenly arranged on each side of the load-bearing rib 3, and the bottom of the reinforcing rib 4 is installed on the tray 1.

[0049] The tops of the load-bearing rib 3 and the reinforcing rib 4 on one side of the tray 1 are connected together and hung on the hook 2.

[0050] The material frame is placed on the tray 1, and the tempering work parts are loaded in the material frame.

[0051] Embodiment 11

[0052] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in embodiment 10, further, the tray 1 is provided with a plurality of tempering holes 101.

[0053] Embodiment 12

[0054] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 11, further, the bottom of the tray 1 is provided with a tray pad 102.

[0055] Embodiment 13

[0056] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 12, further, the tray 1 is adjusted according to the pit-type tempering furnace hearth, the size of the material frame used, and the total weight of the parts to be heat treated.

[0057] The tray can be adaptively adjusted according to the pit-type tempering furnace hearth, the size of the material frame used, and the total weight.

[0058] Embodiment 14

[0059] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 13, further, the size of the load-bearing rib 3 is adjusted according to the pit-type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0060] Embodiment 15:

[0061] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 14, further, the size and number of the reinforcing ribs 4 are adjusted according to the pit-type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0062] Embodiment 16:

[0063] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 15, further, the size of the hook 2 is adjusted according to the pit-type tempering furnace hearth, the size of the material frame used and the total weight of the parts to be heat treated.

[0064] Embodiment 17:

[0065] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 16, further, the height of the material frame is within 300mm.

[0066] Embodiment 18:

[0067] A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content is seen in any one of embodiments 10 to 17, further, the depth of the pit-type tempering furnace hearth is above 1200mm.

[0068] Embodiment 19:

[0069] See Figs. 1-3 A heat treatment pit-type tempering furnace tray auxiliary tool, the main technical content includes:

[0070] A heat treatment pit-type tempering furnace tray auxiliary tool is designed and manufactured through the pit-type tempering furnace hearth and the size of the material frame used, which is mainly composed of a tray, a hook, a reinforcing rib and a load-bearing rib. The tray, the hook, the reinforcing rib and the load-bearing rib can be adaptively adjusted according to the pit-type tempering furnace hearth and the size and total weight of the material frame used.

Claims

1. A heat treating pit tempering furnace tray aid characterized by, The utility model relates to a kind of pit tempering furnace material frame, including: Tray (1), two hooks (2), two bearing bars (3), 4n reinforcing bars (4), n is positive integer; The bottom of two bearing bars (3) is respectively installed in the central of the two sides of tray (1); The two sides of the bearing bar (3) are evenly arranged n reinforcing bars (4) respectively, and the bottom of reinforcing bar (4) is installed on tray (1); The top of the bearing bar (3) and reinforcing bar (4) on the side of the tray (1) are connected together, and hang on hook (2).

2. A heat treating pit-type tempering furnace tray aid according to claim 1, characterized in that, Several annealing holes (101) are provided on the tray (1).

3. The tray assist for a pit-type heat-treating furnace according to claim 1, characterized in that, Tray pad (102) is provided on the bottom of the tray (1).

4. The tray assist for a pit-type heat-treating furnace according to claim 1, wherein The tray (1) is adjusted according to the hearth of pit tempering furnace, the size of material frame used and the total weight of parts to be heat treated.

5. The heat treating pit-type tempering furnace tray assist of claim 1 wherein, The size of the bearing bar (3) is adjusted according to the hearth of pit tempering furnace, the size of material frame used and the total weight of parts to be heat treated.

6. The heat treating pit-type tempering furnace tray assist of claim 1, wherein, The size and number of reinforcing bars (4) are adjusted according to the hearth of pit tempering furnace, the size of material frame used and the total weight of parts to be heat treated.

7. The heat treating pit-type tempering furnace tray assist of claim 1 wherein, The size of the hook (2) is adjusted according to the hearth of pit tempering furnace, the size of material frame used and the total weight of parts to be heat treated.

8. A heat treating pit tempering furnace tray aid according to any one of claims 4-7, characterized in that, The height of the material frame is within 300mm.

9. A heat treating pit tempering furnace tray aid according to any one of claims 4-7, characterized in that, The depth of the hearth of pit tempering furnace is above 1200mm.

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