A wind pressure hood support and lifting device for wide mesh belt oven

Abstract

The utility model discloses a wind pressure cover support and lifting device for a wide mesh belt oven, which includes: a chain is arranged around two support and lifting devices; an extrusion device is arranged outside the chain, and the upper end of the extrusion device squeezes the chain; two tensioning devices are arranged inside the chain, and the two tensioning devices are arranged on both sides of the extrusion device, and the tensioning device can drive the chain to tighten or loosen; wherein, the upper end of the lower connecting block is provided with a first waist hole, and the side wall of the lower connecting block is provided with a square hole, the first waist hole is connected with the square hole, the support hanging plate is installed on the inner wall of the external box body, the nut seat is installed on the support hanging plate, the support screw rod sequentially passes through the sprocket, the nut seat, the support hanging plate, the nut, and is installed in the first waist hole, the square key extends into the square hole, and cooperates with the notch of the support screw rod, and the square key is fixed to the lower connecting block by bolts, and the sprocket supports the chain; the support screw of one of the support and lifting devices is fixedly connected with the sprocket by a key. The utility model is simple to use.

Description

Technical Field

[0001] The utility model relates to relevant technical fields such as a supporting and lifting device for a tunnel oven, and in particular to a wind pressure hood supporting and lifting device for a wide mesh belt oven. Background Art

[0002] At present, the main structure of the supporting lifting device used in the tunnel oven in the industry is mostly a spring installed on the screw, the lower part of the spring is installed on the lifted part fixed on the middle step of the screw, and the upper part of the spring is compressed by a nut. When the part needs to be lifted, the screw is rotated right to make it rise, the middle step of the screw and the lifted part move upward together, and the spring is compressed; when the part needs to return to its original position, the screw is rotated left to make it fall, the middle step of the screw falls to its original position, and the lifted part is fixed on the step of the screw by the elastic force of the spring.

[0003] However, the existing lifting device with a screw and a spring needs to pre-tighten the spring frequently to ensure the reliable pressure of the spring. However, the spring has a certain elastic limit and fatigue strength requirement. If the spring is in a compressed state for too long and exceeds its own elastic limit and fatigue strength, the reliability of the spring cannot be guaranteed, which in turn poses a challenge to the airtightness of the equipment. At the same time, when the lifted mechanism is large, multiple lifting devices are required to be used in conjunction, which makes installation and disassembly difficult and the operation process complicated and cumbersome. Utility Model Content

[0004] In view of this, in order to solve the above problems, the purpose of the utility model is to provide a wind pressure hood support and lifting device for a wide mesh belt oven, which includes:

[0005] Support lifting device, squeezing device, chain, tensioning device;

[0006] The chain is arranged around the two supporting and lifting devices;

[0007] The extrusion device is arranged outside the chain, and the upper end of the extrusion device extrudes the chain;

[0008] The two tensioning devices are arranged inside the chain, and the two tensioning devices are arranged on both sides of the extrusion device, and the tensioning devices can drive the chain to tighten or loosen;

[0009] Among them, each of the support and lifting devices includes: a support screw, a sprocket, a nut seat, a support hanging plate, a nut, a square key, and a lower connecting block; a first waist-shaped hole is provided at the upper end of the lower connecting block, and a square hole is provided on the side wall of the lower connecting block. The first waist-shaped hole and the square hole are communicated. The support hanging plate is installed on the inner wall of the external box body, the nut seat is installed on the support hanging plate, the support screw sequentially passes through the sprocket, the nut seat, the support hanging plate, the nut, and is installed in the first waist-shaped hole. The square key extends into the square hole and cooperates with the notch of the support screw, and the square key and the lower connecting block are fixed by bolts. The sprocket supports the chain;

[0010] The support screw of one of the support and lifting devices is fixedly connected to the sprocket by a key.

[0011] In the above-mentioned air pressure hood support and lifting device for a wide mesh belt oven, the tensioning device includes: a tensioning block and an adjusting seat; at least one second waist-shaped hole is provided on the adjusting seat, and the tensioning block is slidably installed in the second waist-shaped hole, and the tensioning block drives the chain to be tightened or loosened.

[0012] In the above-mentioned air pressure hood support and lifting device for a wide mesh belt oven, it further includes: a lower adjusting block; the lower connecting block is installed on the external lifting device through the lower adjusting block.

[0013] In the above-mentioned air pressure hood support and lifting device for a wide mesh belt oven, the lower adjusting block; a third waist-shaped hole is provided on the lower adjusting block, and the lower adjusting block is installed on the external lifting device through the third waist-shaped hole.

[0014] In the above-mentioned air pressure hood support and lifting device for a wide mesh belt oven, the longitudinal section of the support hanging plate is in a "U" shape.

[0015] In the above-mentioned air pressure hood support and lifting device for a wide mesh belt oven, the extrusion device includes: a locking piece, a locking nut, an extrusion sprocket, a connecting screw, a connecting nut seat, a connecting support hanging plate, a connecting nut, a connecting square key, a connecting block, and an adjusting block; a connecting waist-shaped hole and a connecting square hole are provided on the lower connecting block, the connecting waist-shaped hole and the connecting square hole are communicated, the connecting support hanging plate is installed on the inner wall of the external box body, the connecting nut seat is installed on the connecting support hanging plate, the lower end of the connecting screw sequentially passes through the locking nut, the extrusion sprocket, the connecting nut seat, the connecting support hanging plate, the connecting nut, and is installed in the connecting waist-shaped hole. The connecting square key extends into the connecting square hole and cooperates with the notch of the connecting screw, and the locking piece is further installed at the upper end of the connecting screw, and the locking piece locks the locking nut.

[0016] The above-mentioned wind pressure hood supporting and lifting device for a wide mesh belt oven, wherein a locking nut group is also installed on the supporting screw of one of the supporting and lifting devices.

[0017] Compared with the prior art, the above technical solution has the following positive effects:

[0018] Through the application of the utility model, a wind pressure hood support and lifting device for a wide mesh belt oven is provided. The synchronous lifting or lowering of the device can be completed by rotating a single supporting screw, avoiding the limitations of manual operation in a small space and greatly simplifying the user's operation process. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The utility model is a schematic diagram of a wind pressure hood support and lifting device for a wide mesh belt oven.

[0020] 1. Support lifting device; 11. Support screw; 12. Sprocket; 13. Nut seat; 14. Support hanging plate; 15. Nut; 16. Square key; 17. Lower connecting block; 171. First waist hole; 172. Square hole; 18. Lower adjusting block; 181. Third waist hole; 2. Extrusion device; 21. Locking plate; 22. Extrusion sprocket; 23. Connecting nut seat; 24. Connecting screw; 25. Connecting square key; 26. Connecting block; 27. Adjusting block; 28. Locking nut; 29. ​​Connecting supporting hanging plate; 3. Tensioning device; 31. Tensioning block; 32. Adjusting block; 321. Second waist hole; 4. Chain; 5. Locking nut group. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific implementations, but they are not intended to limit the present invention.

[0022] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportion relationship or adjustment of the size, without affecting the effect that the utility model can produce and the purpose that can be achieved, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0023] like Figure 1As shown, a preferred embodiment of a wind pressure hood support and lifting device for a wide mesh belt oven is shown, which includes: a support and lifting device 1, an extrusion device 2, a chain 4, and a tensioning device 3.

[0024] The chain 4 is arranged around the two supporting and lifting devices 1; the extrusion device 2 is arranged outside the chain 4, and the upper end of the extrusion device 2 squeezes the middle part of the chain 4; two tensioning devices 3 are arranged inside the chain 4, and the two tensioning devices 3 are arranged on both sides of the extrusion device 2, and the tensioning devices 3 can drive the chain 4 to tighten or loosen; wherein each supporting and lifting device 1 includes: a supporting screw 11, a sprocket 12, a nut seat 13, a supporting hanging plate 14, a nut 15, a square key 16, and a lower connecting block 17; the upper end of the lower connecting block 17 is provided with a first waist hole 171, and the lower connecting block 17 A square hole 172 is provided on the side wall, and the first waist hole 171 is connected to the square hole 172. The support hanging plate 14 is installed on the inner wall of the external box body, and the nut seat 13 is installed on the support hanging plate 14. The support screw 11 passes through the sprocket 12, the nut seat 13, the support hanging plate 14, and the nut 15 in sequence, and is installed in the first waist hole 171. The square key 16 extends into the square hole 172 and cooperates with the notch of the support screw 11. The square key 16 is fixed to the lower connecting block 17 by bolts, and the sprocket 12 supports the chain 4; the support screw 11 of one of the supporting lifting devices 1 is fixedly connected to the sprocket 12 by a key.

[0025] In actual use, the chain 4 of the device is supported by two supporting and lifting devices 1, so that the rotation of the first supporting and lifting device 1 can drive the second supporting and lifting device 1 to rotate through the chain 4. Furthermore, a wrench is put on the supporting screw 11 of the first supporting and lifting device 1, and the supporting screw 11 is rotated by the wrench. Since the supporting screw 11 and the sprocket 12 are fixedly connected by a key, the rotation of the supporting screw 11 drives the sprocket 12 to rotate, and the rotation of the sprocket 12 drives the sprocket 12 of the other supporting and lifting device 1 to rotate through the chain 4, thereby realizing synchronous lifting or lowering, and the relaxation and tightening of the chain 4 can be controlled by the two tensioning devices 3, and the first waist hole 171 on the lower connecting block 17 can realize the lateral movement of the supporting screw 11, that is, adjust the relative position on the x and y axes, so that the production and assembly process is more reasonable and convenient.

[0026] The utility model also has the following implementation methods based on the above:

[0027] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, wherein the tensioning device 3 includes: a tensioning block 31 and an adjusting seat 32; at least one second waist-shaped hole 321 is provided on the adjusting seat 32, and the tensioning block 31 is slidably installed in the second waist-shaped hole 321, and the tensioning block 31 drives the chain 4 to be tightened or loosened. Specifically, the upper end of the tensioning block 31 abuts against the chain 4, and the lower end of the tensioning block 31 can slide in the length direction of the second waist-shaped hole 321, so that the tensioning block 31 can drive the chain 4 to be tightened or loosened.

[0028] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, which further includes: a lower adjusting block 18; the lower connecting block 17 is installed on an external lifting device through the lower adjusting block 18.

[0029] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, wherein the lower adjusting block 18; a third waist-shaped hole 181 is provided on the lower adjusting block 18, and the lower adjusting block 18 is installed on an external lifting device through the third waist-shaped hole 181. Specifically, the lower adjusting block 18 can be slightly adjusted in position relative to the external lifting device.

[0030] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, wherein the longitudinal section of the support hanging plate 14 is in a "U" shape. Specifically, the nut seat 13 can be installed on the bottom plate of the support hanging plate 14, and can be installed on the inner wall of the external box body through the side plates of the support hanging plate 14.

[0031] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, wherein the extrusion device 2 includes: a locking piece 21, a locking nut 28, an extrusion sprocket 22, a connecting screw 24, a connecting nut seat 23, a connecting support hanging plate 29, a connecting nut, a connecting square key 25, a connecting block 26, an adjusting block 27; a connecting waist-shaped hole and a connecting square hole are provided on the lower connecting block 26, the connecting waist-shaped hole and the connecting square hole are communicated, the connecting support hanging plate 29 is installed on the inner wall of the external box body, the connecting nut seat 23 is installed on the connecting support hanging plate 29, the lower end of the connecting screw 24 sequentially passes through the locking nut 28, the extrusion sprocket 22, the connecting nut seat 23, the connecting support hanging plate 29, the connecting nut, and is installed in the connecting waist-shaped hole, the connecting square key 25 extends into the connecting square hole and cooperates with the notch of the connecting screw 24, and a locking piece 21 is further installed at the upper end of the connecting screw 24, and the locking piece 21 locks the locking nut 28. Specifically, the locking nut 28 is locked by the locking piece 21, and the sprocket 12 of the first support and lifting device 1 can drive the extrusion sprocket 22 in the extrusion device 2 to rotate. When the position of the extrusion sprocket 22 is fixed, the connecting nut below the connecting nut seat 23 can be locked. And similarly, after the positions of the two support and lifting devices 1 are fixed, the nut 15 under the nut seat 13 is locked.

[0032] Further, a wind pressure hood support and lifting device for a wide mesh belt oven, wherein a locking nut group is also installed on the support screw 11 of one of the support and lifting devices 1. Specifically, two support and lifting devices 1 are provided in the device, wherein the first support and lifting device 1 is used for active transmission, and the second support and lifting device 1 is provided with a locking nut group, including a locking nut and a locking sheet, which are installed on the upper end of the support screw 11, and the second support and lifting device 1 is used for passive transmission.

[0033] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. A wind pressure hood support and lifting device for a wide mesh belt oven, characterized in that: Including: A support lifting device, an extrusion device, a chain, and a tensioning device; The chain is disposed around two of the support lifting devices; The extrusion device is disposed outside the chain, and the upper end of the extrusion device extrudes the chain; Two of the tensioning devices are disposed inside the chain, and the two tensioning devices are disposed on both sides of the extrusion device. The tensioning device can drive the chain to be tightened or relaxed; Wherein, each of the support lifting devices includes: a support screw, a sprocket, a nut seat, a support hanging plate, a nut, a square key, and a lower connecting block; a first waist hole is provided at the upper end of the lower connecting block, and a square hole is provided on the side wall of the lower connecting block. The first waist hole and the square hole are communicated. The support hanging plate is installed on the inner wall of the external box body, the nut seat is installed on the support hanging plate, the support screw sequentially passes through the sprocket, the nut seat, the support hanging plate, the nut, and is installed in the first waist hole. The square key extends into the square hole and cooperates with the notch of the support screw, and the square key and the lower connecting block are fixed by bolts. The sprocket supports the chain; The support screw of one of the support lifting devices is fixedly connected to the sprocket by a key.

2. The wind pressure hood support and lifting device for a wide mesh belt oven according to claim 1, characterized in that: The tensioning device includes: a tensioning block and an adjusting seat; at least one second waist hole is provided on the adjusting seat, and the tensioning block is slidably installed in the second waist hole. The tensioning block drives the chain to be tightened or relaxed.

3. The wind pressure hood supporting and lifting device for a wide mesh belt oven according to claim 1, characterized in that: It further includes: A lower adjusting block; The lower connecting block is installed on the external lifting device through the lower adjusting block.

4. The wind pressure hood supporting and lifting device for a wide mesh belt oven according to claim 3, characterized in that: The lower adjusting block; a third waist hole is provided on the lower adjusting block, and the lower adjusting block is installed on the external lifting device through the third waist hole.

5. The wind pressure hood supporting and lifting device for a wide mesh belt oven according to claim 1, characterized in that: The longitudinal section of the support hanging plate is in a "U" shape.

6. The wind pressure hood supporting and lifting device for a wide mesh belt oven according to claim 1, characterized in that: The extrusion device includes: a locking piece, a locking nut, an extrusion sprocket, a connecting screw, a connecting nut seat, a connecting support hanging plate, a connecting nut, a connecting square key, a connecting block, and an adjusting block; a connecting waist hole and a connecting square hole are provided on the lower connecting block. The connecting waist hole and the connecting square hole are communicated. The connecting support hanging plate is installed on the inner wall of the external box body, the connecting nut seat is installed on the connecting support hanging plate, the lower end of the connecting screw sequentially passes through the locking nut, the extrusion sprocket, the connecting nut seat, the connecting support hanging plate, the connecting nut, and is installed in the connecting waist hole. The connecting square key extends into the connecting square hole and cooperates with the notch of the connecting screw. The upper end of the connecting screw is further installed with the locking piece, and the locking piece locks the locking nut.

7. The wind pressure hood supporting and lifting device for a wide mesh belt oven according to claim 1, characterized in that: A locking nut group is further installed on the support screw of one of the support lifting devices.

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