CN212023838U - Automatic annular scraper conveyor of tensioning - Google Patents
Automatic annular scraper conveyor of tensioning Download PDFInfo
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- CN212023838U CN212023838U CN202020496901.5U CN202020496901U CN212023838U CN 212023838 U CN212023838 U CN 212023838U CN 202020496901 U CN202020496901 U CN 202020496901U CN 212023838 U CN212023838 U CN 212023838U
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- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000005452 bending Methods 0.000 claims description 28
- 210000004907 gland Anatomy 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 abstract description 24
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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Abstract
The utility model relates to an automatic tensioning annular scraper conveyor, including tensioning adjustment mechanism, tensioning adjustment mechanism includes fixed casing and movable housing, the free end of movable housing inserts in fixed casing, the symmetry is equipped with fixed casing journal stirrup on the outer wall of fixed casing, the symmetry is equipped with movable casing journal stirrup on the outer wall of movable housing, link to each other through mechanical locking screw respectively between corresponding fixed casing journal stirrup and the movable housing journal stirrup, install the tensioning hydro-cylinder on each fixed casing journal stirrup respectively, the piston rod top of each tensioning hydro-cylinder is fixed with corresponding movable housing journal stirrup respectively and links to each other; the fixed shell is provided with an outward-expanded fixed shell bell and spigot, the free end of the movable shell is inserted into the fixed shell bell and spigot, and the inner wall of the movable shell is flush with the inner wall of the fixed shell except the bell and spigot. The automatic tensioning annular scraper conveyor can realize synchronous automatic tensioning of two tensioning mechanisms, reduces the operation intensity during tensioning, and has no material residue at the tensioning mechanism.
Description
Technical Field
The utility model relates to a, in particular to automatic annular scraper conveyor of tensioning.
Background
The annular scraper conveyor comprises four straight sections which are distributed in a rectangular shape, the ends of the adjacent straight sections are connected with each other through bent sections to form an annular material conveying cavity, and a scraper device driven by a chain is arranged in the annular material conveying cavity. The bending section comprises a driving bending section and three steering bending sections, and a chain driving mechanism for driving the chain to advance is arranged in the driving bending section. The top of a certain straight section is provided with at least one feed inlet, and the bottoms of other straight sections are provided with at least one discharge outlet. The materials enter the annular material conveying cavity from the material inlet, and the chain drives the scrapers to circularly advance along the annular material conveying cavity to push the materials to the material outlet for discharge.
According to the use condition, the tightness of chain needs to be adjusted, and tensioning mechanism is usually arranged at the same end of two long sides of the rectangle far away from the driving bending section. The existing tensioning mechanism comprises a tensioning adjusting mechanism, the tensioning adjusting mechanism comprises a fixed shell and a movable shell, the free end of the movable shell is inserted into the fixed shell, fixed shell support lugs are symmetrically arranged on the outer wall of the fixed shell, movable shell support lugs are symmetrically arranged on the outer wall of the movable shell, and the corresponding fixed shell support lugs and the corresponding movable shell support lugs are connected through mechanical locking screws respectively.
The existing tensioning mechanism has the following defects: 1. the span distance between the two tightening mechanisms is large, so that the tightening of the two tightening mechanisms cannot be synchronized, the interference is easy, the clamping occurs, the tightening cannot be realized, and the tightening can be finished by frequently and repeatedly adjusting by an experienced operator. 2. The mechanical locking screw is completely tensioned manually, which wastes time and labor. 3. The splicing position of the movable shell and the fixed shell is not sealed, and material leakage and dust accumulation can occur in production. 4. The inner wall that removes the casing is not the parallel and level with the inner wall of fixed casing, removes the casing free end and forms the step on the inner wall of fixed casing, and the scraper blade can not laminate the diapire all the time at step department and advance, can form the material and be detained.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the problem that exists among the prior art, provide an annular scraper conveyor of automatic tensioning, make two tight mechanisms realize synchronous automatic tensioning, the manipulation strength when lightening the tensioning, and straining device department does not have the material and remains.
In order to solve the technical problem, the utility model discloses an automatic tensioning annular scraper conveyor, including tensioning adjustment mechanism, tensioning adjustment mechanism includes fixed casing and movable housing, and the free end of movable housing inserts in fixed casing, fixed casing journal stirrup is symmetrically arranged on the outer wall of fixed casing, movable housing journal stirrup is symmetrically arranged on the outer wall of movable housing, and the corresponding fixed casing journal stirrup and the movable housing journal stirrup are connected through mechanical locking screw respectively, and each fixed casing journal stirrup is equipped with tensioning oil cylinder respectively, and the top of the piston rod of each tensioning oil cylinder is fixedly connected with the corresponding movable housing journal stirrup respectively; the fixed shell is provided with an outward-expanding fixed shell bell and spigot, the free end of the movable shell is inserted into the fixed shell bell and spigot, and the inner wall of the movable shell is flush with the inner wall of the fixed shell except the bell and spigot.
Compared with the prior art, the utility model discloses following beneficial effect has been obtained: during tensioning, under the action of oil pressure, the tensioning oil cylinder pushes the piston rod of the tensioning oil cylinder to extend and pushes the movable shell support lug to move forwards, so that the distance between the movable shell support lug and the fixed shell support lug is enlarged, the insertion depth of the movable shell in the fixed shell is reduced, and the chain is tensioned by the tensioning chain wheel turning to the bending section. After the hydraulic pump station is adjusted in place, the nut of the mechanical locking screw is locked manually, so that the movable shell is fixed, the hydraulic pump station can be closed, and the energy-saving effect is achieved. When the chain needs to be loosened, the mechanical locking screw is loosened, the tensioning oil cylinder reversely acts, the piston rod of the tensioning oil cylinder retracts, the movable shell support lug is pulled to move backwards, the distance between the movable shell support lug and the fixed shell support lug is reduced, the insertion depth of the movable shell in the fixed shell is increased, the chain is loosened by the tensioning chain wheel turning to the bending section, and the chain can be detached and maintained. The device does not need manual work to adjust repeatedly, has reduced the consumption of manpower and materials. Because fixed casing bell and spigot department is equipped with the arc that expands outward, makes the bottom of moving the casing and the bottom parallel and level of fixed casing, the scraper blade can not meet the step and take place the card shell or beat, can not take place the material yet and remain.
As the utility model discloses an improvement, the port department of fixed casing is fixed with the seal seat board, and the outside of seal seat board is equipped with gland, and gland passes through the gland screw rod to be fixed on the seal seat board, and gland's inner edge compresses tightly packing element in the gap department between removal casing outer wall and fixed casing port. Through the precession of the gland screw rod, the packing sealing element is gradually pressed at a gap which is possibly leaked, so that the leakage problem in the tensioning process can be avoided. And after the packing sealing element is worn, the gland screw rod is disassembled, the sealing gland is disassembled, and the packing sealing element can be replaced.
As a further improvement of the utility model, the device comprises four straight sections which are distributed in a rectangular shape, and the end heads of the adjacent straight sections are connected with each other through bending sections; the bending section comprises a driving bending section and three steering bending sections, the short side of the rectangle far away from the driving bending section is a tensioning floating section, the bottom of the tensioning floating section is supported on a plurality of slide rails parallel to the long side of the rectangle, and the steering bending sections at the two ends of the tensioning floating section are respectively connected with the corresponding straight sections through the tensioning adjusting mechanism. When the moving shells of the two tensioning devices are synchronously adjusted, the bottom of the tensioning floating section slides on the sliding rail, so that the resistance in tensioning adjustment can be reduced, and the adjustment is easier.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description, which are provided for reference and illustration purposes only and are not intended to limit the invention.
Fig. 1 is a top view of the automatic tensioning endless scraper conveyor of the present invention.
Fig. 2 is a partially enlarged view of fig. 1.
Fig. 3 is a front view of the automatic tensioning endless scraper conveyor of the present invention.
Fig. 4 is a partially enlarged view of fig. 3.
Fig. 5 is a perspective view of the middle tension adjusting mechanism of the present invention.
Fig. 6 is a front view of the automatic tensioning mechanism of the present invention.
Fig. 7 is a left side view of fig. 6.
Fig. 8 is a cross-sectional view of the tension adjusting mechanism of the present invention.
Fig. 9 is a partially enlarged view of a portion a in fig. 8.
In the figure: 1. a straight section; 2. driving the bending section; 3. a turning curved section; 4. tensioning the floating section; 5. a tension sprocket; 6. a chain; 7. a squeegee; 8. a tension adjustment mechanism; 8a, fixing the shell; 8a1. fixing the shell lug; 8a2, fixing a shell bell and spigot; 8b, moving the shell; 8b1, moving a shell lug; 8c, tensioning the oil cylinder; 8c1. a piston rod; 8d, mechanically locking the screw rod; 8e, sealing seat plate; 8f, sealing a gland; 8g, pressing a cover screw rod; 8h. packing seal; 9. a slide rail; 10. a feed inlet; 11. and (4) a discharge port.
Detailed Description
As shown in fig. 1 to 4, the utility model discloses an automatic annular scraper conveyor of tensioning includes four straight sections 1 that are the rectangle and distribute, constitutes cyclic annular defeated material cavity through bending section interconnect respectively between the end of adjacent straight section 1, is equipped with the scraper means by 6 driven of chain in the cyclic annular defeated material cavity. The bending section comprises a driving bending section 2 and three steering bending sections 3, and a chain driving mechanism for driving a chain 6 to advance is arranged in the driving bending section. The top of a certain straight section is provided with at least one feed inlet 10, and the bottom of other straight sections is provided with at least one discharge outlet. The material enters the annular material conveying cavity from the material inlet, and the chain 6 drives the scrapers 7 to circularly advance along the annular material conveying cavity to push the material to the material outlet 11 for discharging.
The short rectangular edge far away from the driving bending section 2 is a tensioning floating section 4, the bottom of the tensioning floating section 4 is supported on a plurality of slide rails 9 parallel to the long rectangular edge, and the steering bending sections 3 at the two ends of the tensioning floating section 4 are respectively connected with the corresponding straight sections 1 through tensioning adjusting mechanisms 8. When the two tensioning floating sections 4 are synchronously adjusted, the bottoms of the tensioning floating sections 4 slide on the sliding rails 9, so that the resistance in tensioning adjustment can be reduced, and the adjustment is easier.
As shown in fig. 5 to 9, the tension adjusting mechanism 8 includes a fixed housing 8a and a movable housing 8b, the free end of the movable housing 8b is inserted into the fixed housing 8a, fixed housing lugs 8a1 are symmetrically disposed on the outer wall of the fixed housing 8a, movable housing lugs 8b1 are symmetrically disposed on the outer wall of the movable housing 8b, the corresponding fixed housing lugs 8a1 and the movable housing lugs 8b1 are connected by mechanical locking screws 8d, tension cylinders 8c are mounted on the fixed housing lugs 8a1, and the tops of the piston rods 8c1 of the tension cylinders 8c are fixedly connected with the corresponding movable housing lugs 8b 1; stationary housing 8a is provided with a flared stationary housing socket 8a2, the free end of movable housing 8b is inserted into stationary housing socket 8a2, and the inner wall of movable housing 8b is flush with the inner wall of stationary housing 8a except for the socket.
During tensioning, under the action of oil pressure, the tensioning oil cylinder 8c pushes the piston rod 8c1 to extend, the movable housing support lug 8b1 is pushed to move forwards, the distance between the movable housing support lug 8b1 and the fixed housing support lug 8a1 is enlarged, the insertion depth of the movable housing 8b in the fixed housing 8a is reduced, and the tensioning chain wheel 5 of the steering bending section 3 tensions the chain 6. After the adjustment is in place, the nut of the mechanical locking screw rod 8d is locked manually, so that the movable shell 8b is fixed, the hydraulic pump station can be closed at the moment, and the energy-saving effect is achieved.
When the chain 6 needs to be loosened, the mechanical locking screw 8d is loosened, the tensioning oil cylinder 8c reversely acts, the piston rod 8c1 retracts, the movable housing support lug 8b1 is pulled to move backwards, the distance between the movable housing support lug 8b1 and the fixed housing support lug 8a1 is reduced, the insertion depth of the movable housing 8b in the fixed housing 8a is increased, the tensioning chain wheel 5 turning to the bending section 3 loosens the chain 6, and the chain 6 can be detached and maintained. The device does not need manual work to adjust repeatedly, has reduced the consumption of manpower and materials. Because fixed casing bell and spigot 8a2 department is equipped with the arc that expands outward, makes the bottom of moving casing 8b and the bottom of fixed casing 8a be the same level and level mutually, scraper blade 7 can not meet the step and take place card shell or beat, can not take place the material yet and remain.
A sealing seat plate 8e is fixed at a port of the fixed shell 8a, a sealing gland 8f is arranged on the outer side of the sealing seat plate 8e, the sealing gland 8f is fixed on the sealing seat plate 8e through a gland screw 8g, and a packing sealing element 8h is pressed at a gap between the outer wall of the movable shell 8b and the port of the fixed shell 8a by the inner edge of the sealing gland 8f. Through the precession of gland screw rod 8g, compress tightly packing seal 8h in the gap department that probably leaks gradually, can stop the leakage problem in the tensioning process. And after the packing seal is worn for 8h, the gland screw 8g is disassembled, the seal gland 8f is disassembled, and then the packing seal can be replaced for 8h.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention. In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention. The undescribed technical features of the present invention can be realized by or using the prior art, and are not described herein again.
Claims (3)
1. The utility model provides an automatic annular scraper conveyor of tensioning, includes tensioning adjustment mechanism, tensioning adjustment mechanism includes fixed casing and removal casing, and the free end of removing the casing inserts in fixed casing, the symmetry is equipped with fixed casing journal stirrup on the outer wall of fixed casing, the symmetry is equipped with the removal casing journal stirrup on the outer wall of removal casing, and it is continuous through mechanical locking screw respectively, its characterized in that between corresponding fixed casing journal stirrup and the removal casing journal stirrup: tensioning oil cylinders are respectively arranged on the fixed shell support lugs, and the top of a piston rod of each tensioning oil cylinder is fixedly connected with the corresponding movable shell support lug; the fixed shell is provided with an outward-expanding fixed shell bell and spigot, the free end of the movable shell is inserted into the fixed shell bell and spigot, and the inner wall of the movable shell is flush with the inner wall of the fixed shell except the bell and spigot.
2. The self-tensioning endless scraper conveyor of claim 1, wherein: the port department of fixed casing is fixed with the sealing seat board, and the outside of sealing seat board is equipped with gland, and gland passes through the gland screw rod to be fixed on the sealing seat board, and gland's inner edge compresses tightly packing seal spare in the gap department between removal casing outer wall and fixed casing port.
3. The self-tensioning endless scraper conveyor of claim 1, wherein: the rectangular straight section comprises four straight sections which are distributed in a rectangular shape, and the end heads of the adjacent straight sections are connected with each other through bent sections respectively; the bending section comprises a driving bending section and three steering bending sections, the short side of the rectangle far away from the driving bending section is a tensioning floating section, the bottom of the tensioning floating section is supported on a plurality of slide rails parallel to the long side of the rectangle, and the steering bending sections at the two ends of the tensioning floating section are respectively connected with the corresponding straight sections through the tensioning adjusting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496901.5U CN212023838U (en) | 2020-04-08 | 2020-04-08 | Automatic annular scraper conveyor of tensioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020496901.5U CN212023838U (en) | 2020-04-08 | 2020-04-08 | Automatic annular scraper conveyor of tensioning |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212023838U true CN212023838U (en) | 2020-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020496901.5U Active CN212023838U (en) | 2020-04-08 | 2020-04-08 | Automatic annular scraper conveyor of tensioning |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212023838U (en) |
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2020
- 2020-04-08 CN CN202020496901.5U patent/CN212023838U/en active Active
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