CN203544781U - Hoppe sieve opening device, hopper and concrete pump - Google Patents
Hoppe sieve opening device, hopper and concrete pump Download PDFInfo
- Publication number
- CN203544781U CN203544781U CN201320596201.3U CN201320596201U CN203544781U CN 203544781 U CN203544781 U CN 203544781U CN 201320596201 U CN201320596201 U CN 201320596201U CN 203544781 U CN203544781 U CN 203544781U
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- China
- Prior art keywords
- hopper
- opening device
- tooth bar
- screen opening
- screen cloth
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Abstract
The utility model discloses a hopper sieve opening device, a hopper and a concrete pump. The hopper sieve opening device comprises a sieve rotating shaft and a linear motion type executive component arranged on the hopper, and also comprises a rack and a gear; the linear motion type executive component drives and is connected with the rack; the gear is meshed with the rack and is fixedly connected with the sieve rotating shaft. By adopting the hopper sieve opening device, the work efficiency can be improved and the open-close degree of the sieve can be controlled.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly relates to a kind of hopper screen opening device.The utility model also relates to a kind of hopper and concrete pump that comprises above-mentioned hopper screen opening device.
Background technology
Screen cloth is a constituent elements of hopper, conventionally with round steel or steel bar, is welded, and the S. A. of screen cloth is connected with hopper by two hinges.In practical work process, screen cloth can prevent that the aggregate or other foreign material that in cement concrete, are greater than given size from entering hopper, reduces pumping fault, protects the safety of operating personal simultaneously.When maintenance hopper is inner or clear up hopper, screen cloth upwards need be dug.
The document that is CN201120167713 as the patent No. discloses a kind of hopper screen opening device and concrete pump.This hopper screen opening device comprises screen cloth S. A., also comprises and drives screen cloth to rotate the power part of the opening and closing that realize screen cloth around this screen cloth S. A., and described power part is linear motion type power element or rotary motion type power element.This screen opening device, by adopting the rotary motion type power elements such as the campaign-styled power element of hydraulic actuating cylinder isoline or HM Hydraulic Motor to convert hydraulic energy homenergic to mechanical energy to realize the automatic turning of screen cloth, when needs cleaning or maintenance hopper, without manually participating in directly, can realize automatically opening of screen cloth, both time saving and energy saving, safe and reliable again.
But, adopting during above-mentioned linear motion type power element, only at oil cylinder, the moment of screen cloth S. A. being greater than while opening the required moment of screen cloth, screen cloth could rotate around screen cloth S. A., and efficiency is not high; When adopting the rotary motion type power elements such as HM Hydraulic Motor, be difficult to the folding degree of screen cloth precisely to be controlled.
Utility model content
In view of this, the utility model proposes a kind of hopper screen opening device, be equiped with hopper and the concrete pump of this hopper screen opening device, to solve the existing not high and screen cloth folding degree heavy handled deficiency of screen cloth efficiency of automatically opening.
On the one hand, the utility model provides a kind of hopper screen opening device, comprising: screen cloth S. A., be installed on the linear motion type power element on hopper; Described hopper screen opening device also comprises: tooth bar and gear, and described linear motion type power element drives and connects described tooth bar; Described gear engages with described tooth bar, and is fixedly connected with described screen cloth S. A..
Further, described linear motion type power element is hydraulic actuating cylinder or cylinder, and described hydraulic actuating cylinder or cylinder comprise cylinder barrel and piston rod, and described cylinder barrel is connected with hopper bucket body, and described piston rod is connected with described tooth bar.
Further, described hopper screen opening device also comprises: for controlling the electromagnetic valve of described hydraulic cylinder extension; For obtain the controller of electric or dead electricity according to electromagnetic valve described in the control command control of receiving, described controller is electrically connected with described electromagnetic valve.
Further, described hopper screen opening device also comprises the remote controller for generating and sending described control command or closely controls switch, described remote controller or closely control switch and be connected with described controller signals.
Further, described hopper screen opening device also comprises: for the travel switch of sensing screen cloth folding degree; Described controller is also electrically connected with described travel switch, for according to the mode of operation of linear motion type power element described in the information control of described travel switch sensing.
Further, described hopper screen opening device also comprises the idler wheel mechanism or the ball bearing mechanism that are arranged on hopper bucket body, and described idler wheel mechanism or ball bearing mechanism are positioned at the below of described tooth bar, and contacts with described tooth bar.
Further, described hopper screen opening device also comprises protective cover, and described idler wheel mechanism or ball bearing mechanism, described linear motion type power element, described tooth bar and gear are all arranged on the sidewall of described hopper and are positioned at the below of described protective cover.
Further, described hopper screen opening device also comprises chute, and described chute is arranged on the below of described tooth bar, and contacts with described tooth bar.
The utility model hopper screen opening device drives tooth bar by linear motion type power element, and then driving and tooth bar gears in mesh, straight-line motion is converted into and is rotatablely moved, and then drive screen cloth S. A. to rotate, realizing the motion of linear motion type power element and the folding of screen cloth synchronizes and carries out, than prior art, can only to the moment of screen cloth S. A., be greater than while opening the required moment of screen cloth at oil cylinder, screen cloth could rotate around screen cloth S. A., work efficiency increases substantially, and is convenient to control opening speed and the folding degree of screen cloth simultaneously.
On the other hand, the utility model also provides a kind of hopper, is provided with above-mentioned hopper screen opening device.
Another aspect, the utility model also provides a kind of concrete pump, is provided with above-mentioned hopper.
Because hopper and concrete pump comprise above-mentioned hopper screen opening device, there is the corresponding technique effect of above-mentioned hopper screen opening device, hereby do not repeat.
Accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
The schematic perspective view of the hopper screen opening device that Fig. 1 provides for the utility model embodiment mono-;
Fig. 2 is that the master of structure shown in Fig. 1 looks schematic diagram;
The control block diagram of the hopper screen opening device that Fig. 3 provides for the utility model embodiment bis-.
The specific embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the utility model can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
The schematic perspective view of the hopper screen opening device that Fig. 1 provides for the utility model embodiment mono-, Fig. 2 is that the master of structure shown in Fig. 1 looks schematic diagram; As shown in Figures 1 and 2, the present embodiment hopper screen opening device can comprise: screen cloth S. A. 1, be installed on hydraulic actuating cylinder (as power part), tooth bar 3 and gear 4 on hopper, wherein, hydraulic actuating cylinder drives and is connected with tooth bar 3, particularly, hydraulic actuating cylinder comprises cylinder barrel 21 and piston rod 23, and cylinder barrel 21 is connected with hopper bucket body, and piston rod 23 is connected with tooth bar 3; Gear 4 engages with tooth bar 3, and is fixedly connected with screen cloth S. A. 1.
In the course of the work, when oil circuit is opened connection, hydraulic oil acts on piston rod 23, and the application force of generation drives tooth bar 3 synchronously to carry out straight-line motion, tooth bar 3 engages with gear 4, straight-line motion is transferred to and being rotatablely moved, and gear 4 is connected with screen cloth S. A. 1, and the two rotates simultaneously, screen cloth is opened, by the corresponding screen cloth folding of design oil cylinder full stroke full stroke, can realize when range in piston rod 23, screen cloth is all opened.By Driven by Hydraulic Cylinder tooth bar 3, and then driving and tooth bar 3 gears in meshs 4, straight-line motion is converted into and is rotatablely moved, can realize hydraulic actuating cylinder and indirectly drive screen cloth rotation, the motion of piston rod 23 is synchronizeed and is carried out with the folding of screen cloth, than prior art, only at oil cylinder, the moment of screen cloth S. A. is greater than while opening the required moment of screen cloth, screen cloth could rotate around screen cloth S. A., work efficiency increases substantially, use above-mentioned device for opening simultaneously, due to the stroke of piston rod 23 directly and the folding linearly dependent of screen cloth, during piston rod 23 uniform movement, screen cloth is uniform rotation also, therefore can be by the speed of control plunger bar 23 to control the opening speed of screen cloth, stroke by design hydraulic actuating cylinder is controlled screen cloth folding degree, be convenient to control opening speed and the folding degree of screen cloth.
Preferably, hopper screen opening device can also comprise the idler wheel mechanism or the ball bearing mechanism (scheming not shown) that are arranged on hopper bucket body, and idler wheel mechanism or ball bearing mechanism are positioned at the below of tooth bar 3, and contact with tooth bar 3.By 3 times idler wheel mechanism or ball bearing mechanism being set at tooth bar, can reduce friction and support tooth bar 3, guarantee the straight-line reliability of tooth bar 3, improve the operating efficiency of hopper screen opening device.Certainly, during concrete operations, can also adopt chute, this chute is arranged on the below of tooth bar 3, and contacts with tooth bar 3, places lubricating oil to reduce friction in chute, guarantees the straight-line reliability of tooth bar 3, realizes the similar technique effect of idler wheel mechanism or ball bearing mechanism.
Preferably, hopper screen opening device can also comprise protective cover, and above-mentioned rollers mechanism or ball bearing mechanism, hydraulic actuating cylinder, tooth bar 3 and gear 4 are all arranged on the sidewall 10 of hopper and are positioned at protective cover below.By above-mentioned hydraulic actuating cylinder etc. is arranged on hopper side wall 10, and add protective cover, can effectively prevent that cement concrete from adhering to, avoid damaging the assembly of hopper screen opening device, increase the service life.
During concrete operations, can also replace hydraulic actuating cylinder as power part with other linear motion type power element, pneumatic element as campaign-styled in cylinder isoline, realizes opening of screen cloth or closure by straight reciprocating motion, its implementation procedure is similar to the above embodiments, does not hereby repeat.
In the unshowned embodiment of one, can also be provided with travel switch and controller for sensing screen cloth folding degree, this controller is connected (electrical connection) with travel switch and rotary motion type power element signal, be used for according to the mode of operation of the information control linear motion type power element of travel switch sensing, when determining that according to the information of travel switch sensing screen cloth is opened to predeterminable level, control straight line power element and quit work, realize the accurate control of screen cloth folding.
The control block diagram of the hopper screen opening device that Fig. 3 provides for the utility model embodiment bis-, than the first embodiment shown in Fig. 1 and Fig. 2, the second embodiment has increased remote controller, controller and electromagnetic valve, and the set-up mode of miscellaneous part is all identical, repeats no more.Explaining of the campaign-styled power element of the first embodiment cathetus is all applicable to the present embodiment, and the campaign-styled power element of the present embodiment cathetus explains as an example of oil cylinder example, should being construed as limiting property not understand.As shown in Figure 3, the present embodiment bucket screen opening device comprises oil cylinder, the tooth bar being connected with hydraulic oil cylinder driving, gear, controller and the electromagnetic valve that engages with tooth bar and be fixedly connected with screen cloth S. A., wherein, controller is for obtaining electric or dead electricity according to the control command control electromagnetic valve of receiving, controller is electrically connected with electromagnetic valve, and electromagnetic valve is used for controlling hydraulic cylinder extension.
Preferably, hopper screen opening device also comprises the remote controller for generating and sending control command or closely controls switch, remote controller or closely control switch and be connected with controller signals.
The present embodiment is by increasing remote controller or closely controlling the input medias such as switch, can convenient operation hand input control order, and then make the controller can be according to the state of the control command automatic control electric magnet valve of input media, realize the motion of controlling linear motion type power element, promoted degree of automation, be conducive to further increase work efficiency.
The utility model also provides the embodiment (scheming not shown) of a kind of hopper and concrete pump, and wherein hopper comprises above-mentioned hopper screen opening device, and concrete pump comprises and is provided with this hopper.Because above-mentioned hopper and concrete pump include hopper screen opening device, there is corresponding technique effect, hereby do not repeat.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a hopper screen opening device, comprising: screen cloth S. A., be installed on the linear motion type power element on hopper; It is characterized in that, described hopper screen opening device also comprises: tooth bar and gear, and described linear motion type power element drives and connects described tooth bar; Described gear engages with described tooth bar, and is fixedly connected with described screen cloth S. A..
2. hopper screen opening device according to claim 1, it is characterized in that, described linear motion type power element is hydraulic actuating cylinder or cylinder, and described hydraulic actuating cylinder or cylinder comprise cylinder barrel and piston rod, described cylinder barrel is connected with hopper bucket body, and described piston rod is connected with described tooth bar.
3. hopper screen opening device according to claim 2, is characterized in that, also comprises:
For controlling the electromagnetic valve of described hydraulic cylinder extension;
For obtain the controller of electric or dead electricity according to electromagnetic valve described in the control command control of receiving, described controller is electrically connected with described electromagnetic valve.
4. hopper screen opening device according to claim 3, is characterized in that, also comprises the remote controller for generating and sending described control command or closely controls switch, described remote controller or closely control switch and be connected with described controller signals.
5. according to the hopper screen opening device described in claim 3 or 4, it is characterized in that, also comprise: for the travel switch of sensing screen cloth folding degree; Described controller is also electrically connected with described travel switch, for according to the mode of operation of linear motion type power element described in the information control of described travel switch sensing.
6. according to the hopper screen opening device described in any one in claim 1-4, it is characterized in that, also comprise the idler wheel mechanism or the ball bearing mechanism that are arranged on hopper bucket body, described idler wheel mechanism or ball bearing mechanism are positioned at the below of described tooth bar, and contact with described tooth bar.
7. hopper screen opening device according to claim 6, it is characterized in that, also comprise protective cover, described idler wheel mechanism or ball bearing mechanism, described linear motion type power element, described tooth bar and gear are all arranged on the sidewall of described hopper and are positioned at the below of described protective cover.
8. according to the hopper screen opening device described in any one in claim 1-4, it is characterized in that, also comprise chute, described chute is arranged on the below of described tooth bar, and contacts with described tooth bar.
9. a hopper, is characterized in that, is provided with the hopper screen opening device described in any one in claim 1-8.
10. a concrete pump, is characterized in that, is provided with hopper claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596201.3U CN203544781U (en) | 2013-09-26 | 2013-09-26 | Hoppe sieve opening device, hopper and concrete pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320596201.3U CN203544781U (en) | 2013-09-26 | 2013-09-26 | Hoppe sieve opening device, hopper and concrete pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203544781U true CN203544781U (en) | 2014-04-16 |
Family
ID=50462930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320596201.3U Expired - Lifetime CN203544781U (en) | 2013-09-26 | 2013-09-26 | Hoppe sieve opening device, hopper and concrete pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203544781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505223A (en) * | 2022-02-09 | 2022-05-17 | 湖南响箭重工科技股份有限公司 | High-reliability screen device for pump truck equipment |
-
2013
- 2013-09-26 CN CN201320596201.3U patent/CN203544781U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505223A (en) * | 2022-02-09 | 2022-05-17 | 湖南响箭重工科技股份有限公司 | High-reliability screen device for pump truck equipment |
| CN114505223B (en) * | 2022-02-09 | 2024-04-30 | 湖南响箭重工科技股份有限公司 | High reliability screen cloth device that pump truck equipment was used |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |