CN220574013U - Asphalt aggregate screening device - Google Patents
Asphalt aggregate screening device Download PDFInfo
- Publication number
- CN220574013U CN220574013U CN202322169954.2U CN202322169954U CN220574013U CN 220574013 U CN220574013 U CN 220574013U CN 202322169954 U CN202322169954 U CN 202322169954U CN 220574013 U CN220574013 U CN 220574013U
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- screen
- screen frame
- positioning
- aggregate screening
- sleeve
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- 238000012216 screening Methods 0.000 title claims abstract description 30
- 239000010426 asphalt Substances 0.000 title claims abstract description 29
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Road Paving Machines (AREA)
Abstract
The utility model discloses an asphalt aggregate screening device, which comprises a screen frame and a screen, wherein an annular positioning notch is formed on the inner side of the bottom of the screen frame along the circumferential direction of the screen frame, and a plurality of mounting grooves are formed in the annular positioning notch along the circumferential direction of the annular positioning notch; the edge of the screen is provided with a plurality of connecting holes along the circumferential direction of the screen, the edge of the screen is embedded into the annular positioning notch after the screen is embedded into the bottom of the screen frame, and the connecting holes are correspondingly communicated with the mounting grooves one by one; the device also comprises a support frame, wherein the support frame is provided with a plurality of positioning columns which are annularly arranged, and one end of each positioning column is vertically upwards; compared with the prior art, the screen frame and the screen mesh are connected stably through the matching of the positioning columns, the connecting holes and the mounting grooves, and the screen frame and the screen mesh are simple in structure and convenient to operate; because of the assembly mode between the screen frame and the screen, the screen frame and the screen are not easy to be blocked and cannot be detached when being detached.
Description
Technical Field
The utility model relates to the technical field of screening equipment, in particular to an asphalt aggregate screening device.
Background
The aggregate sieve is mainly used for the precise screening, filtering and detecting of the granularity structure, the liquid solid content and the sundries of granular and powdery materials in various laboratory, article screening, grading and other inspection departments.
Patent document with application number of CN201721324916.8 discloses an asphalt aggregate sieve, comprising a sieve frame and a screen arranged in the sieve frame, wherein a first clamping and embedding groove is concavely arranged on the inner side wall of the sieve frame, a jack communicated with the first clamping and embedding groove and used for inserting the screen is arranged on the outer side wall of the sieve frame, and a clamping plate used for sealing the jack is also rotatably arranged; the clamping plate is provided with a first clamping block, and the outer side wall of the screen frame is provided with a second clamping block which can be attached to the first clamping block; the first clamping block is provided with a through hole in a penetrating way, and the second clamping block is provided with a fixing hole communicated with the through hole when the clamping plate seals the socket; the through hole is inserted and is equipped with the dead lever that can remove to when the cardboard seals the socket, the dead lever can insert in the fixed orifices.
When the screen frame and the screen mesh in the asphalt aggregate screen are connected, the screen mesh is required to slide into the first clamping groove of the screen frame from the insertion opening, and then is locked and fixed through the cooperation of the structures of the clamping plate, the first clamping block, the second clamping block, the fixing rod and the like, so that the operation is relatively troublesome; meanwhile, when asphalt aggregates are clamped at the joint between the screen frame and the screen, clamping between the screen frame and the screen is easy to cause, and the screen is difficult to move out of the screen frame.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an asphalt aggregate screening device, so as to solve the problems that in the prior art, the connection operation between a screen frame and a screen is relatively troublesome, and the screen frame and the screen are easy to clamp and difficult to split.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the asphalt aggregate screening device comprises a screen frame and a screen, wherein an annular positioning notch is formed on the inner side of the bottom of the screen frame along the circumferential direction of the screen frame, and a plurality of mounting grooves are formed in the annular positioning notch along the circumferential direction of the annular positioning notch; the edge of the screen is provided with a plurality of connecting holes along the circumferential direction of the screen, the edge of the screen is embedded into the annular positioning notch after the screen is embedded into the bottom of the screen frame, and the connecting holes are correspondingly communicated with the mounting grooves one by one;
further comprises:
the support frame is provided with a plurality of positioning columns which are annularly arranged, and one end of each positioning column is vertically upwards; after assembly, the positioning columns pass through the connecting holes in a one-to-one correspondence manner and are in interference fit in the corresponding mounting grooves.
Technical principle:
when the screen frame is assembled, a plurality of connecting holes on the screen frame pass through a plurality of positioning columns to be propped against the support frame in a one-to-one correspondence manner, then a plurality of mounting grooves on the screen frame are sleeved on a plurality of positioning columns to be propped against the support frame in a one-to-one correspondence manner, at the moment, the edge of the screen frame is positioned in the annular positioning notch, and the positioning columns are in interference fit in the corresponding mounting grooves, so that the screen frame and the screen frame are quickly and stably connected for later use; when the screen is required to be split after the screening work is finished, the screen frame is pulled upwards by force to be disconnected with the positioning columns, and then the screen is moved upwards to be disconnected with the positioning columns.
Compared with the prior art, the utility model has the following beneficial effects:
the asphalt aggregate screening device mainly comprises a supporting frame, a plurality of positioning columns, a screen frame and a screen, wherein the screen frame and the screen are connected in a stable manner through the cooperation of the positioning columns, the connecting holes and the mounting grooves, and the asphalt aggregate screening device is simple in structure and convenient to operate; because of the assembly mode between the screen frame and the screen, the screen frame and the screen are not easy to be blocked and cannot be detached when being detached.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a partial cross-sectional view of FIG. 1;
fig. 3 is a schematic structural view of the elastic positioning sleeve in fig. 2.
Reference numerals in the drawings of the specification include: the screen frame 1, the screen 2, the support frame 3, the locating column 31, the connecting strip 32, the movable sleeve 33, the support plate 34, the connecting rod 35, the elastic locating sleeve 4, the elastic clamping part 41, the reinforcing column 5, the connecting sleeve 6, the locking nut 7 and the movement regulator 8.
Detailed Description
The utility model is described in further detail below by way of specific embodiments:
as shown in fig. 1 and fig. 2, an embodiment of the present utility model provides an asphalt aggregate screening device, which includes a screen frame 1 and a screen 2, wherein an annular positioning gap is formed on the inner side of the bottom of the screen frame 1 along the circumferential direction thereof, and a plurality of mounting grooves are formed in the annular positioning gap along the circumferential direction thereof; the edge of the screen 2 is provided with a plurality of connecting holes along the circumferential direction, the edge of the screen 2 is embedded into the annular positioning notch after the screen 2 is embedded into the bottom of the screen frame 1, and the connecting holes are correspondingly communicated with the mounting grooves one by one;
the device further comprises a support frame 3, wherein the support frame 3 is provided with a plurality of positioning columns 31 which are annularly arranged, and one end of each positioning column 31 is vertically upwards; after assembly, the positioning posts 31 pass through the connecting holes in a one-to-one correspondence manner and are in interference fit in the corresponding mounting grooves.
The method specifically comprises the following steps:
during assembly, a plurality of connecting holes on the screen 2 pass through a plurality of positioning columns 31 in a one-to-one correspondence manner and are propped against the support frame 3, and then a plurality of mounting grooves on the screen frame 1 are sleeved on a plurality of positioning columns 31 in a one-to-one correspondence manner and are propped against the support frame 3, at the moment, the edge of the screen 2 is positioned in the annular positioning notch, and the positioning columns 31 are in interference fit in the corresponding mounting grooves, so that the screen 2 and the screen frame 1 are connected stably and then used; when the screen frame 1 is required to be separated after the screening work is completed, the screen frame 1 is forcibly pulled upwards to be disconnected with the positioning columns 31, and then the screen 2 is moved upwards to be disconnected with the positioning columns 31.
The asphalt aggregate screening device mainly comprises a support frame 3, a plurality of positioning columns 31, a screen frame 1 and a screen 2, wherein the screen frame 1 and the screen 2 are connected stably through the cooperation of the positioning columns 31, a plurality of connecting holes and a plurality of mounting grooves, and the asphalt aggregate screening device is simple in structure and convenient to operate; due to the assembly mode between the screen frame 1 and the screen 2, the screen frame 1 and the screen 2 are not easy to be blocked and cannot be detached during detachment.
Wherein, the fixed cover in screen cloth 2 outside is equipped with the installation cover, and a plurality of connecting holes are all offered on the installation cover.
As shown in fig. 2 and 3, according to another embodiment of the present utility model, an asphalt aggregate screening device is provided, wherein an elastic positioning sleeve 4 is fixedly arranged in each installation groove; after assembly, one end of the positioning post 31 is in interference fit in the corresponding elastic positioning sleeve 4.
The following are given here: the elastic positioning sleeve 4 is connected with the positioning column 31 in the mounting groove so as to improve the mounting stability of the positioning column 31 in the mounting groove; wherein, the elastic locating sleeve 4 is separated into a plurality of elastic clamping parts 41 which are arranged at intervals along the circumferential direction towards one end of the notch of the corresponding installation groove.
After the positioning column 31 is inserted into the elastic positioning sleeve 4, the plurality of elastic clamping portions 41 are far away from each other, and the plurality of elastic clamping portions 41 press and fix one end of the positioning column 31, so that the connection between the screen 2 and the screen frame 1 has sufficient stability.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, the asphalt aggregate screening apparatus, wherein the supporting frame 3 further comprises a main frame body and a connecting bar 32;
the connecting strips 32 are multiple and circumferentially distributed inside the main frame body, one ends of the connecting strips 32 are connected with the main frame body, and the other ends of the connecting strips are connected to the bottoms of the positioning columns 31 in a one-to-one correspondence manner.
In this embodiment:
the quantity of connecting strip 32 is with two showing, and then the quantity of corresponding reference column 31 also is two showing, and the quantity of connecting strip 32 and reference column 31 can be rationally adjusted according to the demand. The main frame body is used as a main supporting framework of the supporting frame 3, and the connecting strips 32 are used for connecting the positioning columns 31 with the main frame body so as to be used as the support of the positioning columns 31, so that the screen 2 and the screen frame 1 can be conveniently assembled and disassembled.
In order to improve the stability of the screen 2 and the screen frame 1 after being assembled, the middle part of each connecting strip 32 is connected with a reinforcing column 5, and one end, far away from the corresponding connecting strip 32, of the reinforcing column 5 is vertically upwards arranged; the middle part of the outer wall of the screen frame 1 is connected with a plurality of connecting sleeves 6 along the circumferential direction; after assembly, one ends of the plurality of reinforcement columns 5 penetrate through the plurality of connecting sleeves 6 in a one-to-one correspondence.
When the screen frame is assembled, in the process of enabling the positioning columns 31 to be correspondingly inserted into the elastic positioning sleeves 4, the reinforcing columns 5 correspondingly penetrate through the connecting sleeves 6 one by one, and the reinforcing columns 5 are matched to position and support the screen frame 1, so that the assembly stability between the screen frame 1 and the screen 2 is improved; meanwhile, when the screen frame 1 is moved upwards in the splitting process, the positioning columns 31 are moved out of the elastic positioning sleeves 4 in a one-to-one correspondence manner, the reinforcing columns 5 are also moved out of the connecting sleeves 6 in a one-to-one correspondence manner, and the screen frame 1 and the screen 2 cannot be blocked in splitting.
Based on the scheme:
each of the reinforcing columns 5 comprises a reinforcing horizontal section and a reinforcing vertical section;
wherein one end of the reinforced horizontal section is connected with the connecting strip 32;
the bottom end of the reinforced vertical section is connected to the reinforced horizontal section;
after assembly, the reinforcement vertical section passes through the connecting sleeve 6 and the connecting sleeve 6 abuts against the reinforcement horizontal section.
The following are given here: the reinforced horizontal section and the reinforced vertical section are arranged in an L shape, specifically, the reinforced vertical section passes through the corresponding connecting sleeve 6, and then the connecting sleeve 6 is propped against the reinforced horizontal section to stably support the screen frame 1; meanwhile, after the assembly is completed, a locking nut 7 propped against the top of the connecting sleeve 6 is connected on the reinforced vertical section in a threaded manner, the connecting sleeve 6 is limited by the locking nut 7, and the connecting sleeve 6 is stably connected on the reinforced vertical section, so that the assembly stability between the screen frame 1 and the screen 2 is further improved; when the screen frame 1 is detached, the locking screw cap 7 needs to be detached, and then the screen frame 1 can be moved upwards to be disconnected with the screening.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, the asphalt aggregate screening apparatus, wherein each of the connecting bars 32 comprises a connecting vertical section and a connecting horizontal section;
wherein the connecting vertical section is connected with the main frame body;
one end of the connecting horizontal section is connected with the connecting vertical section, and the bottom of the corresponding positioning column 31 is connected to the middle part of the top side of the connecting horizontal section.
In this embodiment:
the connecting vertical section and the connecting horizontal section are in L-shaped arrangement, and the top end of the connecting vertical section is fixedly connected with the main frame body; the positioning column 31 is arranged at the installation position of the connecting horizontal section so that after the assembly is completed, the connecting horizontal section can stably support the screen frame 1 and the screen 2, and the screen frame 1 and the screen 2 can be stably assembled together through the connection between the positioning column 31 and the elastic positioning sleeve 4.
Based on the scheme:
the top of the main frame body is connected with a movable sleeve 33 in a sliding manner along the horizontal direction, the connecting vertical sections are connected with the movable sleeve 33, and the main frame body is also provided with a movable regulator 8 connected with any connecting vertical section.
Here:
the main frame body comprises two parallel support plates 34 which are arranged at intervals and a connecting rod 35 which is connected between the tops of the two support plates 34, the movable sleeve 33 is sleeved on the connecting rod 35 in a sliding way, and the movable regulator 8 is fixedly arranged on the outer side of one support plate 34; wherein, the movable adjuster 8 can be an air cylinder, and the piston rod of the air cylinder freely passes through the supporting plate 34 connected with the air cylinder and is fixedly connected with the connecting vertical section of one connecting strip 32; when the assembly is completed, adding asphalt aggregate into the screen frame 1, moving the regulator 8 to reciprocate the connecting bar 32 connected with the regulator, and guiding the movable sleeve 33 to reciprocate on the connecting bar 35 to enable the screen frame 1 to stably reciprocate so as to screen the asphalt aggregate added into the screen frame 1 through the screen 2; the asphalt aggregate screening device can replace the screens 2 with different apertures according to the requirements to screen asphalt aggregates with different particle sizes.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (9)
1. The asphalt aggregate screening device comprises a screen frame and a screen, and is characterized in that an annular positioning notch is formed on the inner side of the bottom of the screen frame along the circumferential direction of the screen frame, and a plurality of mounting grooves are formed in the annular positioning notch along the circumferential direction of the annular positioning notch; the edge of the screen is provided with a plurality of connecting holes along the circumferential direction of the screen, the edge of the screen is embedded into the annular positioning notch after the screen is embedded into the bottom of the screen frame, and the connecting holes are correspondingly communicated with the mounting grooves one by one;
further comprises:
the support frame is provided with a plurality of positioning columns which are annularly arranged, and one end of each positioning column is vertically upwards; after assembly, the positioning columns pass through the connecting holes in a one-to-one correspondence manner and are in interference fit in the corresponding mounting grooves.
2. An asphalt aggregate screening plant according to claim 1, wherein: an elastic positioning sleeve is fixedly arranged in each mounting groove; after assembly, one end of the positioning column is in interference fit in the corresponding elastic positioning sleeve.
3. An asphalt aggregate screening plant according to claim 2, wherein: the elastic locating sleeve is divided into a plurality of elastic clamping parts which are arranged at intervals along the circumferential direction of the elastic locating sleeve towards one end of the notch of the corresponding installation groove.
4. A bituminous aggregate screening apparatus according to any one of claims 1 to 3, wherein the support frame further comprises:
a main frame body;
the connecting strips are distributed circumferentially on the inner side of the main frame body, one ends of the connecting strips are connected with the main frame body, and the other ends of the connecting strips are connected to the bottoms of the positioning columns in a one-to-one correspondence mode.
5. An asphalt aggregate screening plant according to claim 4, wherein: the middle part of each connecting strip is connected with a reinforcing column, and one end, far away from the corresponding connecting strip, of each reinforcing column is vertically upwards arranged; the middle part of the outer wall of the screen frame is connected with a plurality of connecting sleeves along the circumferential direction of the screen frame; after assembly, one ends of the reinforcing columns penetrate through the connecting sleeves in a one-to-one correspondence mode.
6. An asphalt aggregate screening device according to claim 5, wherein each of said reinforcing columns comprises:
one end of the reinforced horizontal section is connected with the connecting strip;
the bottom end of the reinforced vertical section is connected to the reinforced horizontal section;
after assembly, the reinforcing vertical section passes through the connecting sleeve, and the connecting sleeve is propped against the reinforcing horizontal section.
7. An asphalt aggregate screening plant according to claim 6, wherein: after assembly, the reinforcing vertical section is connected with a locking nut which abuts against the top of the connecting sleeve through threads.
8. An asphalt aggregate screening plant according to claim 4, wherein said connecting strip comprises:
the connecting vertical section is connected with the main frame body;
the connecting horizontal section, connecting horizontal section one end links to each other with the vertical section of connection and corresponds the reference column bottom and connect in the top side middle part of connecting horizontal section.
9. The asphalt aggregate screening device according to claim 8, wherein the top of the main frame body is slidably connected with a movable sleeve in the horizontal direction, the connecting vertical sections are connected with the movable sleeve, and the main frame body is further provided with a movable regulator connected with any connecting vertical section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169954.2U CN220574013U (en) | 2023-08-11 | 2023-08-11 | Asphalt aggregate screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322169954.2U CN220574013U (en) | 2023-08-11 | 2023-08-11 | Asphalt aggregate screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220574013U true CN220574013U (en) | 2024-03-12 |
Family
ID=90110493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322169954.2U Active CN220574013U (en) | 2023-08-11 | 2023-08-11 | Asphalt aggregate screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220574013U (en) |
-
2023
- 2023-08-11 CN CN202322169954.2U patent/CN220574013U/en active Active
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