Novel multilayer bit shank heat treatment lifting appliance for pit type carburizing furnace

Abstract

The utility model provides a novel multilayer bit shank heat treatment lifting appliance for a pit-type carburizing furnace. The novel multilayer bit shank heat treatment lifting appliance comprises a lifting scaffold, the upper-layer fan-shaped disc is arranged on the surface of the hanging scaffold and comprises a first disc body and a chain welding hole; the chain is fixedly connected to the surface of the upper-layer fan-shaped disc, a lower-layer fan-shaped disc is arranged on one side of the outer surface of the chain, and the lower-layer fan-shaped disc comprises a second disc body and a cross-shaped chain hole. The utility model provides a novel multilayer bit shank heat treatment lifting appliance for a pit type carburizing furnace, which can realize multilayer lifting by utilizing the characteristics that the pit type carburizing furnace is deep and the bit shank is short, so that the lifting mode not only can improve the loading capacity and the productivity during bit shank heat treatment, but also can improve the energy consumption of the pit type carburizing furnace and the utilization rate of space, and is beneficial to the popularization and the application of the pit type carburizing furnace. And meanwhile, the hoisting mode is convenient and rapid, the hoisting speed is increased, and the furnace charging and starting safety is improved through the design of the characteristics of wide upper part and narrow lower part.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rock drilling tool manufacturing, especially to a novel well type carburizing furnace multilayer drill tail heat treatment lifting appliance. BACKGROUND

[0002] The drill is the tool used for rock drilling, including drill head, drill rod, drill tail and connecting sleeve, etc., and the better quality drill can play a great guarantee role for the construction progress of rock drilling equipment.

[0003] The drill tail is the drill first contacted with the rock drill, not only receiving the impact of the rock drill, transmitting the shock wave, but also rotating at high speed, transmitting energy, so the drill tail is very important, and the heat treatment can improve the various performances of the drill tail, but due to the limitation of the well type carburizing furnace, the drill tail cannot be simultaneously and massively heat treated, and the problems of excessive consumption of the drill tail heat treatment, low loading capacity, slow speed, insecurity and the like caused by the deficiency of the traditional well type carburizing furnace hoisting mode.

[0004] Therefore, it is necessary to provide a novel well type carburizing furnace multilayer drill tail heat treatment lifting appliance to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a novel well type carburizing furnace multilayer drill tail heat treatment lifting appliance, solves the problem that the heat treatment can improve the various performances of the drill tail, but due to the limitation of the well type carburizing furnace, the drill tail cannot be simultaneously and massively heat treated, and the problems of excessive consumption of the drill tail heat treatment, low loading capacity, slow speed, insecurity and the like caused by the deficiency of the traditional well type carburizing furnace hoisting mode.

[0006] To solve the above technical problems, the utility model provides a novel well type carburizing furnace multilayer drill tail heat treatment lifting appliance, which comprises a lifting tray.

[0007] The upper fan-shaped disc is arranged on the surface of the lifting tray, and comprises a first disc body and a chain welding hole.

[0008] The chain is fixedly connected to the surface of the upper fan-shaped disc, and a lower fan-shaped disc is arranged on one side of the outer surface of the chain, and the lower fan-shaped disc comprises a second disc body and a cross chain hole.

[0009] The positioning rod is arranged on the surface of the chain and located at the bottom of the surface of the lower fan-shaped disc.

[0010] Preferably, the first disc body is fixedly installed in the middle of the lifting tray, and three cross chain holes are respectively arranged on three sides of the surface of the first disc body.

[0011] Preferably, the second disc body is arranged on the outer surface of the chain, and three cross chain holes are arranged on three sides of the surface of the second disc body.

[0012] Preferably, the upper fan-shaped disc is provided with six groups, and the six groups of upper fan-shaped discs are equidistantly arranged around the inside of the hanging disc.

[0013] Preferably, the inside of the upper fan-shaped disc is provided with three chains, and the number of the chains is matched with the number of the chain welding holes.

[0014] Preferably, the two sides of the bottom of the second disc body are fixedly provided with fixed blocks, and a threaded hole is arranged in the middle of one side of the fixed block.

[0015] Preferably, a threaded limiting rod is threadedly engaged in the threaded hole, and an adjusting block is fixedly arranged at one end of the threaded limiting rod.

[0016] Compared with the related art, the novel multi-layered tail heat treatment lifting appliance for a shaft type carburizing furnace has the following beneficial effects:

[0017] The novel multi-layered tail heat treatment lifting appliance for a shaft type carburizing furnace can realize multi-layered hoisting by utilizing the characteristics of the deep shaft type carburizing furnace and the short tail, can improve the loading capacity during tail heat treatment, can provide production capacity, can improve the energy consumption and space utilization rate of the shaft type carburizing furnace, and can achieve the purpose of reducing cost and increasing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a structural schematic view of a first embodiment of the novel multi-layered tail heat treatment lifting appliance for a shaft type carburizing furnace provided by the present application;

[0019] Figure 2 Fig. 2 is a structural schematic view of a double lower fan-shaped disc structure shown in Fig. 1; Figure 1

[0020] Figure 3 Fig. 3 is a side view schematic view of a lower fan-shaped disc shown in Fig. 1; Figure 1

[0021] Figure 4 Fig. 4 is an enlarged view of A shown in Fig. 1; Figure 3

[0022] Figure 5 Fig. 5 is a structural schematic view of an upper fan-shaped disc shown in Fig. 1; Figure 1

[0023] Figure 6 Fig. 6 is a structural schematic view of a second embodiment of the novel multi-layered tail heat treatment lifting appliance for a shaft type carburizing furnace provided by the present application;​​​​Figure 1 The diagram shows the lower-level sector-shaped disk structure.

[0024] Figure 7 A schematic diagram of the second embodiment of a novel multi-layer brazing tail heat treatment lifting device for a pit-type carburizing furnace provided by this utility model;

[0025] Figure 8 This is an enlarged view of point B in the figure.

[0026] The following are the labels in the diagram: 1. Hanging plate, 2. Upper sector plate, 21. First plate body, 22. Chain welding hole, 3. Lower sector plate, 31. Second plate body, 32. Cross chain hole, 4. Chain, 5. Positioning bar, 6. Fixing block, 7. Threaded hole, 8. Threaded limit rod, 9. Adjusting block. Detailed Implementation

[0027] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0028] First Embodiment

[0029] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 ,in, Figure 1 A schematic diagram of the first embodiment of a novel multi-layer brazing tail heat treatment lifting device for a pit-type carburizing furnace provided by this utility model;

[0030] Figure 2 for Figure 1 The diagram shows a double-lower-layer sector disk structure. Figure 3 for Figure 1 The diagram shows a side view of the lower sector-shaped disk. Figure 4 for Figure 3 The enlarged schematic diagram at point A is shown below; Figure 5 for Figure 1 The diagram shows the upper sector-shaped disk structure. Figure 6 for Figure 1 The diagram shows the lower-layer fan-shaped disk structure. A novel multi-layer brazing tail heat treatment hanger for a pit-type carburizing furnace includes: a hanging disk 1;

[0031] Upper sector plate 2, the upper sector plate 2 is disposed on the surface of the hanging plate 1, the upper sector plate 2 includes a first plate body 21 and chain welding holes 22;

[0032] Chain 4, which is fixedly connected to the surface of the upper sector disk 2, and a lower sector disk 3 is provided on one side of the outer surface of the chain 4. The lower sector disk 3 includes a second disk body 31 and a cross chain hole 32.

[0033] Positioning stick 5, the positioning stick 5 is arranged on the surface of the chain 4 and is located at the bottom of the surface of the lower sector plate 3.

[0034] The first disc body 21 is fixedly installed in the middle of the hanging plate 1, and three cross chain holes 32 are arranged on the three sides of the surface of the first disc body 21.

[0035] The second disc body 31 is arranged on the outer surface of the chain 4, and three cross chain holes 32 are arranged on the three sides of the surface of the second disc body 31.

[0036] The upper sector plate 2 is provided with six groups, and the six groups of upper sector plates 2 are installed at equal intervals in the inner part of the hanging plate 1; the number of the lower sector plate 3 is consistent with that of the upper sector plate 2.

[0037] The inner part of the upper sector plate 2 is provided with three chains 4, and the number of the chains 4 is matched with the number of the chain welding holes 22.

[0038] The upper and lower sector plates are connected by three chains 4.

[0039] The chain 4 has the advantages that it will not be deformed due to long-time heating, and the spacing between the upper and lower sector plates can be adjusted by using the positioning stick 5, so as to adapt to drill shafts of different lengths; for shorter drill shafts, one more lower sector plate 3 can be added to improve the capacity; by means of the staggered design of the chain connecting holes of the upper and lower sector plates, the diameter of the lower six sector plates is smaller than that of the upper sector plates, so that the upper sector plates are wider than the lower sector plates, and the safety is improved.

[0040] The upper sector plate 2 and the lower sector plate 3 are made of alloy casting, the strength of heat resistance and deformation resistance is improved, and the chain 4 and the positioning stick 5 are also made of high-strength heat-resistant alloy.

[0041] The working principle of the novel multi-layer drill shaft heat treatment lifting appliance of the well-type carburizing furnace is as follows:

[0042] In working, first, the upper sector plates 2 are installed on the hanging plate 1 one by one, are hoisted to a certain height by a travelling crane, then one lower sector plate 3 is taken, three chains 4 are passed through the cross chain holes 32 of the lower sector plate 3, the length of the drill shaft is adjusted to a proper position, then the positioning stick 5 is used to fix the lower sector plate 3, the remaining lower sector plates 3 are installed in the same way, so that two layers are installed, and if the drill shaft is short enough, three layers can be installed.

[0043] After installation, the multi-layer drill shaft heat treatment lifting appliance is lowered to a certain height, the drill shaft is first installed in the upper sector plate 2, then is installed in the second layer and the third layer, and after installation is completed, the whole is hoisted and is put into the well-type carburizing furnace for heat treatment.

[0044] Compared with the related art, the novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace has the following beneficial effects:

[0045] The novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace can realize multi-layered hoisting through the deep shaft-type carburizing furnace and short tail, can improve the loading capacity during tail heat treatment, can provide production capacity, can improve the energy consumption and space utilization of the shaft-type carburizing furnace, and can achieve the purpose of reducing cost and increasing efficiency.

[0046] Second embodiment

[0047] Please refer to Figure 7 and Figure 8 , based on the first embodiment of the present application, the second embodiment of the present application provides another novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace. The second embodiment is only a preferred mode of the first embodiment, and the implementation of the second embodiment will not affect the separate implementation of the first embodiment.

[0048] Specifically, the difference between the novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace provided by the second embodiment of the present application is that a novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace, the second disc body 31 bottom is fixedly installed with fixed block 6 on both sides, the middle of one side of fixed block 6 is provided with threaded hole 7.

[0049] The threaded hole 7 is internally threaded with a threaded limiting rod 8, and one end of the threaded limiting rod 8 is fixedly installed with an adjusting block 9.

[0050] The working principle of the novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace provided by the present application is as follows:

[0051] In work, first rotate the adjusting block 9 to drive the threaded limiting rod 8 to rotate and threadedly engage the threaded hole 7 to move, the threaded limiting rod 8 moves into the inside of the chain 4, and abuts against the bottom surface of the second disc body 31 to limit the movement of the chain 4.

[0052] Compared with the related art, the novel multi-layered tail heat treatment lifting appliance for shaft-type carburizing furnace has the following beneficial effects:

[0053] The utility model provides a novel well type carburizing furnace multilayer drill bit heat treatment lifting appliance, through rotating screw limiting rod 8 screw engagement screw hole 7 removes, screw limiting rod 8 removes into the inside of chain 4, and the surface of the bottom of second disc body 31 is resisted, and chain 4 is limited, and the device simple structure, the practicality is strong, and the device practicality is improved by using screw limiting rod 8 instead of positioning clamp stick 5, and screw limiting rod 8 is limited in the inside of screw hole 7 of fixed block 6, and screw limiting rod 8 is not easy to lose, and can play the limiting effect again, improve the practicality of the device.

[0054] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion using the contents of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A new type of multi-layered tail heat treatment hanger for a shaft carburizing furnace, characterized in that, Include: Hanging tray; Upper layer sector, the upper layer sector is provided on the surface of the hanging tray, the upper layer sector includes first disc body and chain welding hole; Chain, the chain is fixedly connected to the surface of the upper layer sector, one side of the outer surface of the chain is provided with a lower layer sector, the lower layer sector includes a second disc body and a cross chain hole; Positioning stick, the positioning stick is provided on the surface of the chain and located at the bottom of the surface of the lower layer sector.

2. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 1, characterized in that, The first disc body is fixedly installed in the middle of the hanging tray, and three cross chain holes are respectively arranged on the three sides of the surface of the first disc body.

3. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 1, characterized in that, The second disc body is provided on the outer surface of the chain, and three cross chain holes are respectively arranged on the three sides of the surface of the second disc body.

4. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 1, characterized in that, The upper layer sector is provided with six groups, six groups of the upper layer sector are equidistantly installed in the inside of the hanging tray, the number of the lower layer sector and the upper layer sector is consistent.

5. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 1, characterized in that, The inside of the upper layer sector is provided with three chains, the number of the chains is matched with the number of the chain welding holes.

6. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 1, characterized in that, The two sides of the bottom of the second disc body are fixedly installed with fixed blocks, and a threaded hole is formed in the middle of one side of the fixed block.

7. A new type of multi-layered tailing heat treatment hanger for carburizing furnace according to claim 6, characterized in that, The inside of the threaded hole is threadedly engaged with a threaded limiting rod, and one end of the threaded limiting rod is fixedly installed with an adjusting block.

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