CN209755716U - closing mechanism of hopper under concrete mixing equipment - Google Patents
closing mechanism of hopper under concrete mixing equipment Download PDFInfo
- Publication number
- CN209755716U CN209755716U CN201920240619.8U CN201920240619U CN209755716U CN 209755716 U CN209755716 U CN 209755716U CN 201920240619 U CN201920240619 U CN 201920240619U CN 209755716 U CN209755716 U CN 209755716U
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- China
- Prior art keywords
- discharging pipe
- hopper
- concrete mixing
- extension board
- transmission shaft
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Abstract
The utility model discloses a closing mechanism of hopper under concrete mixing equipment, including fixed connection hopper open-ended discharging pipe under, still including fixing the fixed bolster on hopper down, the fixed bolster comprises a plurality of branches and extension board concatenation, install the closing mechanism who opens the discharging pipe or close on the fixed bolster, closing mechanism includes that the level runs through the extension board and with the transmission shaft of extension board gyration connection, the axis of transmission shaft is towards the discharging pipe, the transmission shaft is towards the one end fixedly connected with drive gear of discharging pipe, both sides meshing has two drive racks about the drive gear, two drive racks slide with the extension board respectively and are connected, the curved pinch-off blades of the equal fixedly connected with of every drive rack, two pinch-off blades syntropy are crooked, and lie in the both sides of discharging pipe, still install on the extension board and order about transmission shaft pivoted power component. The utility model discloses a closing mechanism can slowly be drawn in the export shape of discharging pipe by the extrusion, can not warp the influence filling because of the export.
Description
Technical Field
The utility model relates to a concrete manufacture equipment field, in particular to concrete mixing equipment is closing mechanism of hopper down.
Background
In the preparation process of the concrete, various raw materials are required to be added with water and mixed according to a given proportion, and common mixing equipment comprises a stirring station, a mixer and the like. The discharge hopper is usually provided with a discharge pipe for discharging mixed concrete, and the discharge pipe is usually connected with an opening of the discharge hopper so as to be convenient for connecting with tools or equipment (such as bulk bags, concrete transport vehicles and the like) for containing concrete.
In the actual discharging process, the transport vehicle needs to be used for carrying the opening of the concrete flowing out of the discharging pipe to align with the discharging pipe for filling; after filling, the closing of discharging pipe is usually through the tight closure of clamping bar or splint clamp, can cause the deformation of discharging pipe, makes its opening shape slowly flatten to rectangular form, and this process can make the concrete splash outward, causes unnecessary waste, influences peripheral health.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concrete mixing equipment is closing mechanism of hopper down, it can slowly be drawn in the export shape of discharging pipe by the extrusion, can not be because of export deformation influences the filling.
The above object of the present invention can be achieved by the following technical solutions:
The utility model provides a closing mechanism of hopper under concrete mixing equipment, includes fixed connection hopper open-ended discharging pipe under, still includes the fixed bolster of fixing on hopper down, the fixed bolster comprises a plurality of branches and extension board concatenation, install the closing mechanism who opens or close the discharging pipe on the fixed bolster, closing mechanism includes that the level runs through the extension board and with the transmission shaft of extension board gyration connection, the axis of transmission shaft is towards the discharging pipe, the transmission shaft is towards the one end fixedly connected with drive gear of discharging pipe, the meshing of both sides has two drive racks about the drive gear, and two drive racks slide respectively with the extension board to be connected, the curved pinch-off blades of the equal fixedly connected with of every drive rack, two pinch-off blades syntropy bending, and lie in the both sides of discharging pipe, still install on the extension board and order about transmission shaft pivoted power.
By adopting the technical scheme, in actual use, the power element is started to drive the transmission shaft to do rotary motion on the support plate, the transmission shaft drives the transmission gear to rotate, the two clamping plates simultaneously move towards the direction far away from the discharge pipe through the meshing transmission of the transmission gear and the transmission rack, the shape of the outlet of the discharge pipe is restored to be circular from arc, then concrete in the mixer or the mixing station is put into a transport vehicle or a bulk bag through the opening of the discharge hopper, the outlet of the discharge pipe is changed from arc to circular, the diameter change of the outlet is small, and the canning process of the concrete is smoother; when the blanking is required to be stopped, the clamping plates are driven by the transmission assembly to be close to the discharging pipe at the same time, the discharging pipe is extruded to realize sealing, and the discharging pipe is extruded by the two clamping plates at the same time, so that the relative sliding between the walls of the discharging pipe is avoided, and the sealing effect is better; the outlet of the discharging pipe is slowly drawn in and extruded into an arc shape, so that the diameter of the discharged material in the closed process cannot be increased, the outer splashing of concrete is reduced, and unnecessary waste is avoided.
The utility model discloses further set up to: the lower end of the clamping plate exceeds the lower end of the discharge pipe.
through adopting above-mentioned technical scheme, closing mechanism is opening or the in-process of sealing the discharging pipe, and the concrete that spatters outward shelters from through the lower extreme of grip block to the peripheral health of clearance stirring station.
The utility model discloses further set up to: the end part of the transmission rack close to the support plate extends to form a sliding part, and the support plate is provided with a limit groove matched with the support plate.
Through adopting above-mentioned technical scheme, the portion of sliding makes transmission rack and extension board slide with the spacing groove cooperation and is connected to make two clamp plates can do in opposite directions or opposite movement in step.
The utility model discloses further set up to: the cross section of the sliding part is T-shaped.
Through adopting above-mentioned technical scheme, the portion of sliding sets up to the T type, has increased the area of contact of the portion of sliding and spacing groove for the transmission rack slides at the extension board more stably.
The utility model discloses further set up to: the power element is selected to be a servo motor.
Through adopting above-mentioned technical scheme, servo motor high speed performance is good, and the precision is high, and better control closing mechanism that can be faster opens or seals the discharging pipe.
The utility model discloses further set up to: the discharging pipe is fixedly connected to the discharging hopper through an annular hoop.
The utility model discloses further set up to: the fixed support is hinged with a clamping rod, and the clamping rod can be pressed against the outer wall of the discharge pipe; be provided with the torsional spring between kelly and the fixed bolster, the torsional spring can order about the kelly and remove towards hopper down.
Through adopting above-mentioned technical scheme, during the discharging pipe installation, dial the kelly earlier, make the upper end centre gripping of discharging pipe between kelly and lower hopper, realize the pre-fixing of discharging pipe, then final fixed going on through annular hoop, whole fixed process only needs alone to accomplish, makes things convenient for the staff to change.
The utility model discloses further set up to: and anti-skid grains are distributed on the clamping rod.
Through adopting above-mentioned technical scheme, anti-skidding line increases the anti-skidding line of kelly surface friction power, makes the fixed effect of kelly better to make the discharging pipe complex more firm on hopper down.
To sum up, the utility model discloses following beneficial effect has:
1. The transmission shaft realizes linkage between the clamping plates, the discharge pipe can be opened or closed at the same time, the outlet of the discharge pipe is changed from arc to round, the diameter change of the outlet is small, the filling process of concrete is smoother, the splashing of the concrete is effectively reduced, and unnecessary waste is avoided;
2. In the process of opening or closing the discharge pipe, the lower end of the clamping plate shields the concrete splashed outwards, so that the peripheral sanitation of the mixing station is convenient to clean;
3. Through set up the kelly on the fixed bolster, the kelly is fixed the discharging pipe in advance on hopper down, and fixed process only needs alone to accomplish, makes things convenient for the staff to change.
drawings
Fig. 1 is a schematic structural diagram of the embodiment.
In the figure, 1, a hopper is arranged; 2. a discharge pipe; 3. an annular band; 4. fixing a bracket; 41. an annular strut; 42. a connecting rod; 43. a support plate; 431. a limiting groove; 5. a sealing mechanism; 6. a clamping plate; 7. a drive shaft; 8. a transmission gear; 9. a drive rack; 91. a sliding part; 10. a power element; 11. a clamping rod; 12. a torsion spring.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a closing mechanism of a blanking hopper of concrete mixing equipment is disclosed, as shown in figure 1, an opening of the blanking hopper 1 is fixedly connected with a discharge pipe 2 through an annular hoop 3, and the annular hoop 3 is tightly pressed on the outer end face of the discharge pipe 2 and is fixed through a bolt; the lower hopper 1 is provided with a fixed support 4, the fixed support 4 is composed of an annular support rod 41 sleeved at the lower end of the lower hopper 1, a plurality of connecting rods 42 and a support plate 43 vertically fixedly connected with the annular support rod 41 through the connecting rods 42, and the annular support rod 41 is fixed on the outer wall of the lower hopper 1 through welding or bolts.
The support plate 43 of the fixed support 4 is connected with a closing mechanism 5 for opening or closing the discharge pipe 2, the closing mechanism 5 comprises clamping plates 6 located on two sides of the discharge pipe 2, a transmission assembly for driving the clamping plates 6 to be close to or far away from the discharge pipe 2, and a power element 10 for providing power, and the power element 10 is selected as a servo motor.
The transmission assembly comprises a transmission shaft 7 which horizontally penetrates through the support plate 43 and is in rotary connection with the support plate 43, the axis of the transmission shaft 7 faces the discharge pipe 2, one end, facing the discharge pipe 2, of the transmission shaft 7 is fixedly connected with a transmission gear 8, the upper side and the lower side of the transmission gear 8 are meshed with two transmission racks 9, the end parts, close to the support plate 43, of the two transmission racks 9 extend to form a sliding part 91, and the section of the sliding part 91 is T-shaped; correspondingly, the supporting plate 43 is provided with a limiting groove 431 matched with the sliding part 91, and the sliding part 91 is matched with the limiting groove 431 to enable the transmission rack 9 to be connected with the supporting plate 43 in a sliding mode.
The two clamping plates 6 are fixedly connected with one of the transmission racks 9 respectively, the clamping plates 6 are arc-shaped, and the two clamping plates 6 are bent in the same direction. The power element 10 is mounted on the support plate 43 and is coaxially connected with the transmission shaft 7 to drive the transmission shaft 7 to rotate.
In practical use, the power element 10 is started to drive the transmission shaft 7 to make rotary motion on the support plate 43, the transmission shaft 7 drives the transmission gear 8 to rotate, the two clamping plates 6 simultaneously move towards the direction far away from the discharge pipe 2 through the meshing transmission of the transmission gear 8 and the transmission rack 9, the shape of the outlet of the discharge pipe 2 is restored to be circular from arc, then concrete in a mixer or a mixing station is placed into a transport vehicle or a bulk bag through the opening of the discharge hopper 1, the outlet of the discharge pipe 2 is changed from arc to circular, the diameter change of the outlet is small, and the canning process of the concrete is smoother; when the blanking is required to be stopped, the clamping plates 6 are driven by the transmission assembly to be close to the discharging pipe 2 at the same time, the discharging pipe 2 is extruded to realize sealing, and the material pipe 2 is extruded by the two clamping plates 6 at the same time, so that the relative sliding between the walls of the discharging pipe 2 is avoided, and the sealing effect is better; the outlet of the discharging pipe 2 is slowly folded and extruded into an arc shape, so that the diameter of the discharged material in the closed process cannot be increased, the outer splashing of concrete is reduced, and unnecessary waste is avoided.
In order to improve the anti-splashing effect of the closing mechanism 5, the lower ends of the two clamping plates 6 are extended beyond the lower end of the tapping pipe 2, so that the concrete splashed by the closing mechanism 5 is shielded by the lower ends of the clamping plates 6 during the opening or closing of the tapping pipe 2, so as to clean the periphery of the mixing station.
Hopper 1 is down when discharge concrete, and discharging pipe 2 can receive the frequent washing away of concrete, under long-time washing away, discharging pipe 2 receives the face of washing away will be worn by the concrete very fast, so need regularly overhaul, change discharging pipe 2 to influence the closure of discharging pipe 2, cause extra pollution and unnecessary loss. Discharging pipe 2 need overlap earlier on the discharge gate of hopper 1 down when the installation, then tighten up it fixedly with annular hoop 3, but before fixed with annular hoop 3, need the people to hold discharging pipe 2 to discharging pipe 2 gliding or drop, the change process is comparatively loaded down with trivial details, and temporarily uses extra labour.
Therefore, a plurality of clamping rods 11 distributed circumferentially are hinged to the lower end of the annular supporting rod 41, the lower end of each clamping rod 11 can be pressed against the outer wall of the blanking hopper 1, a torsion spring 12 is mounted on each clamping rod 11, one end of each torsion spring 12 is fixedly connected to the corresponding clamping rod 11, the other end of each torsion spring 12 is fixedly connected to the annular supporting rod 41, and the elastic force of each torsion spring 12 pushes the corresponding clamping rod 11 to move towards the blanking hopper 1; when discharging pipe 2 was installed, dialled earlier kelly 11, made the upper end centre gripping of discharging pipe 2 between kelly 11 and lower hopper 1, realized discharging pipe 2 fixed in advance, then hooped 3 through the annular and finally fixed, whole fixed process only needs alone to accomplish, makes things convenient for the staff to change. One side evenly distributed that the kelly 11 faces hopper 1 down has the anti-skidding line that increases its surface friction power, makes the fixed effect of kelly 11 better to make discharging pipe 2 complex more firm on hopper 1 down.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a closing mechanism of hopper under concrete mixing equipment, includes hopper (1) open-ended discharging pipe (2) under fixed connection, its characterized in that: still including fixing fixed bolster (4) on hopper (1) down, fixed bolster (4) comprise a plurality of branch and extension board (43) concatenation, install closing mechanism (5) of opening discharging pipe (2) or closing on fixed bolster (4), closing mechanism (5) run through extension board (43) and with extension board (43) gyration transmission shaft (7) of being connected including the level, the axis of transmission shaft (7) is towards discharging pipe (2), one end fixedly connected with drive gear (8) of transmission shaft (7) towards discharging pipe (2), the both sides meshing has two transmission rack (9) about drive gear (8), and two transmission rack (9) slide respectively with extension board (43) and are connected, and every transmission rack (9) equal fixedly connected with curved clamp plate (6), two clamp plate (6) syntropy bending, And are positioned at two sides of the discharge pipe (2), and the support plate (43) is also provided with a power element (10) for driving the transmission shaft (7) to rotate.
2. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 1, wherein: the lower end of the clamping plate (6) exceeds the lower end of the tapping pipe (2).
3. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 1, wherein: the end part of the transmission rack (9) close to the support plate (43) extends to form a sliding part (91), and the support plate (43) is provided with a limit groove (431) matched with the support plate.
4. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 3, further comprising: the cross section of the sliding part (91) is T-shaped.
5. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 1, wherein: the power element (10) is a servo motor.
6. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 1, wherein: the discharge pipe (2) is fixedly connected to the discharge hopper (1) through an annular hoop (3).
7. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 6, further comprising: the fixed support (4) is hinged with a clamping rod (11), and the clamping rod (11) can be pressed against the outer wall of the discharge pipe (2); a torsion spring (12) is arranged between the clamping rod (11) and the fixed support (4), and the torsion spring (12) can drive the clamping rod (11) to move towards the discharging hopper (1).
8. The closure mechanism for a discharge hopper of a concrete mixing apparatus as recited in claim 7, further comprising: and anti-skid grains are distributed on the clamping rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240619.8U CN209755716U (en) | 2019-02-25 | 2019-02-25 | closing mechanism of hopper under concrete mixing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240619.8U CN209755716U (en) | 2019-02-25 | 2019-02-25 | closing mechanism of hopper under concrete mixing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209755716U true CN209755716U (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920240619.8U Expired - Fee Related CN209755716U (en) | 2019-02-25 | 2019-02-25 | closing mechanism of hopper under concrete mixing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209755716U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937153A (en) * | 2019-12-31 | 2020-03-31 | 三只松鼠(无为)有限责任公司 | Be applied to industry internet's liquid filling machine blanking mechanism |
| CN111827287A (en) * | 2020-07-14 | 2020-10-27 | 上海憨牛建设工程有限公司 | Floating discharging system for reclamation of land reclamation from sea |
| CN113008536A (en) * | 2021-02-24 | 2021-06-22 | 张庭富 | Hydraulically driven water pump accessory detection device |
-
2019
- 2019-02-25 CN CN201920240619.8U patent/CN209755716U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110937153A (en) * | 2019-12-31 | 2020-03-31 | 三只松鼠(无为)有限责任公司 | Be applied to industry internet's liquid filling machine blanking mechanism |
| CN111827287A (en) * | 2020-07-14 | 2020-10-27 | 上海憨牛建设工程有限公司 | Floating discharging system for reclamation of land reclamation from sea |
| CN111827287B (en) * | 2020-07-14 | 2021-10-29 | 上海憨牛建设工程有限公司 | Floating discharging system for reclamation of land reclamation from sea |
| CN113008536A (en) * | 2021-02-24 | 2021-06-22 | 张庭富 | Hydraulically driven water pump accessory detection device |
| CN113008536B (en) * | 2021-02-24 | 2023-01-17 | 湖南华振供水设备有限公司 | Hydraulically driven water pump accessory detection device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 Termination date: 20210225 |
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| CF01 | Termination of patent right due to non-payment of annual fee |