CN203238962U - Screen safety device, hopper and pumping equipment - Google Patents
Screen safety device, hopper and pumping equipment Download PDFInfo
- Publication number
- CN203238962U CN203238962U CN 201320141548 CN201320141548U CN203238962U CN 203238962 U CN203238962 U CN 203238962U CN 201320141548 CN201320141548 CN 201320141548 CN 201320141548 U CN201320141548 U CN 201320141548U CN 203238962 U CN203238962 U CN 203238962U
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- screen cloth
- lock core
- cam
- stopper slot
- hopper
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- 238000005086 pumping Methods 0.000 title claims abstract description 32
- 239000004744 fabric Substances 0.000 claims abstract description 102
- 230000006698 induction Effects 0.000 claims description 35
- 238000009434 installation Methods 0.000 claims description 28
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a screen cloth safety device of pumping equipment hopper, include: the cam is coaxially fixed with the rotating shaft of the screen and is provided with a first limiting groove which is concave to the rotating axis of the cam; and the limiting device is matched with the first limiting groove when the screen is closed and locks the circumferential position of the cam. The utility model provides a screen mesh safety device of hopper, when the screen mesh was closed, stop device and the first spacing groove cooperation of cam, the circumferential position of locking cam, and then carry out the circumference to the pivot of screen mesh and restrict, make the screen mesh keep the closed state; when the screen is required to be opened, the locking state between the limiting device and the first limiting groove of the cam needs to be firstly released, the cam is released, then the rotating shaft of the screen can rotate, and the screen is prevented from being accidentally opened, so that the safety of the pumping equipment during working is improved. Additionally, the utility model also provides a hopper including above-mentioned safety device to and the pumping equipment who has above-mentioned hopper.
Description
Technical field
The utility model relates to technical field of engineering machinery, particularly a kind of screen cloth safety device, hopper and pumping equipment.
Background technology
In the engineering machinery use procedure, the application safety of engineering machinery is extremely important.
For pumping equipment, as shown in Figure 1, need to assemble the position detecting module of its screen cloth 02 position of detection on its hopper 01 to ensure construction safety.
As shown in Figure 1, hopper 01 comprises the inner hopper body 06 that forms the hopper chamber, is positioned at the indoor screen cloth 02 of hopper of hopper body 06, and the rotating shaft 03 of screen cloth 02 is installed in the side plate of hopper body 06, and at least one end of rotating shaft 03 runs through the side plate of hopper body 06, stretches out the hopper chamber.
Particularly, as shown in Figure 2, above-mentioned position detecting module comprises: be installed on rotating shaft 03 stretch out the hopper chamber an end and with rotating shaft 03 co-axially fixed cam 04, the sensor with limit switch 05 that cooperates with above-mentioned cam 04; As shown in Figure 2, suppose that state shown in Figure 2 is the situation of screen cloth 02 closure, at this moment, cam 04 has been pushed down the limit switch of sensor 05, and the signal of sensor 05 emission is safety signal; When screen cloth 02 was opened, the rotating shaft 03 of screen cloth 02 turned clockwise, thereby band moving cam 04 turns clockwise, and cam 04 discharges the limit switch of sensor 05, and sensor 05 is transmit security signals no longer.
The control system of pumping equipment is judged the situation of screen cloth 02 present position according to the state of sensor 05 transmit security signals, and controls with this operation to pumping equipment.
During screen cloth 02 closure, cam 04 is pushed down the limit switch that sensor 05 has, and sensor 05 sends safety signal, and the control system of pumping equipment is judged screen cloth 02 closure, judges safety, and pumping equipment normally moves; When screen cloth 02 was opened, cam 04 was no longer pushed down the limit switch that sensor 05 has, and sensor 05 no longer sends safety signal, and the control system of pumping equipment is judged screen cloth 02 unlatching, control pumping equipment downtime.
Although the sensor 05 and cam 04 can be judged the state of screen cloth 02 opening and closing; but; above-mentioned position detecting module can not prevent screen cloth 02 unexpected the unlatching; and the control system of pumping equipment can only obtain the signal that screen cloth 02 state changes after screen cloth 02 is in opening; and then the running status of control pumping equipment; after screen cloth 05 unexpected the unlatching, control system is just controlled the pumping equipment downtime, and the safety when causing the pumping equipment operation is lower.
The utility model content
The utility model provides a kind of screen cloth safety device of pumping equipment hopper, and this screen cloth safety device can prevent the accident of screen cloth in the hopper to open, thus the safety when improving pumping equipment work.
For achieving the above object, the utility model provides following technical scheme:
A kind of screen cloth safety device of pumping equipment hopper comprises:
With the co-axially fixed cam of the rotating shaft of described screen cloth, described cam has recessed the first stopper slot to described cam rotating shaft line;
When described screen cloth is closed, cooperates and lock the stopping means of described cam circumferential position with described the first stopper slot.
Preferably, described stopping means comprises:
The relative lock tube of fixing and having pilot hole of shell body with described hopper;
Run through described pilot hole, be installed on described lock tube, and can be along the flexible lock core of the bearing of trend of the pilot hole in the described lock tube, when described screen cloth was closed, the first end of described lock core stretched into the first stopper slot that described cam has.
Preferably, be provided with between described lock core and the described lock tube and be in compression and hold the back-moving spring of power state, and described back-moving spring to the active force of described lock core towards described cam.
Preferably, the first end of described lock core has spacing fixture block, has the first confined planes towards described fixture block in the pilot hole of described lock tube, described fixture block has the second confined planes towards described the first confined planes, described back-moving spring is sheathed on described lock core, and an end and described the first confined planes offset, and the other end and described the second confined planes offset.
Preferably, detachably cooperate between described fixture block and the described lock core.
Preferably, the second end of described lock core is provided with operating grip.
Preferably, the second end of described lock core has clamp, and described pilot hole has the draw-in groove corresponding with described clamp.
Preferably, also comprise induction installation, when the first end of described lock core stretched in the first stopper slot of described cam, described induction installation sent safety signal.
Preferably, described induction installation comprises:
Be installed on the approach switch of described lock tube, and be arranged at the sense contact of described lock core, when the first end of described lock core stretched into described the first stopper slot, described sense contact was positioned at the induction range of described approach switch, and described approach switch produces safety signal; And/or
Inductor with limit switch, when the first end of described lock core stretched into described the first stopper slot, described lock core was pushed down described limit switch, and inductor produces safety signal.
Preferably, described cam has the second stopper slot, and when described screen cloth was opened, the first end of described lock core stretched into described the second stopper slot.
Preferably, also comprise induction installation, when the first end of described lock core stretched in the first stopper slot of described cam, described induction installation sent safety signal.
Preferably, the degree of depth of described the second stopper slot is less than the degree of depth of described the first stopper slot; Described induction installation comprises:
Be installed on the approach switch of described lock tube, and be arranged at the sense contact of described lock core, when the first end of described lock core stretched into described the first stopper slot, described sense contact was positioned at the induction range of described approach switch, and described approach switch produces safety signal; And/or
Inductor with limit switch, when the first end of described lock core stretched into described the first stopper slot, described lock core was pushed down described limit switch, and inductor produces safety signal.
The utility model also provides a kind of hopper, comprise the inner hopper body that forms the hopper chamber, be positioned at the hopper of described hopper body indoor and have the screen cloth of rotating shaft, described rotating shaft is installed in the side plate of described hopper body, and any screen cloth safety device that provides in the technique scheme also is provided.
The utility model also provides a kind of pumping equipment, and the hopper that provides in the technique scheme is provided.
The screen cloth safety device of the pumping equipment hopper that the utility model provides comprises:
With the co-axially fixed cam of the rotating shaft of described screen cloth, described cam has recessed the first stopper slot to described cam rotating shaft line;
When described screen cloth is closed, cooperates and lock the stopping means of described cam circumferential position with described the first stopper slot.
In the screen cloth safety device of the hopper that the utility model provides, the rotating shaft coaxial rotating of cam and screen cloth is when screen cloth is closed, stopping means cooperates with the first stopper slot of cam, the circumferential position of locking cam, and then the rotating shaft of screen cloth circumferentially limited, screen cloth is kept closed; When needs are opened above-mentioned screen cloth, need first the lock-out state between the first stopper slot of stopping means and cam to be removed, release cam, then the rotating shaft of screen cloth could be rotated, and then the accident of prevention screen cloth is opened.
So the screen cloth safety device of the hopper that the utility model provides can prevent the accident of screen cloth to open, thus the safety when improving pumping equipment work.
Description of drawings
Fig. 1 is the mounting structure schematic diagram between screen cloth and the hopper body in the hopper of pumping equipment;
Fig. 2 is the structural representation of position detecting module in the hopper in the prior art;
View when lock core and cam were sealed when screen cloth was closed in the hopper that Fig. 3 provides for the utility model;
Clamp in the hopper that Fig. 4 provides for the utility model on the lock core and the fit structure schematic diagram between the draw-in groove on the lock tube;
Fig. 5 is the sectional view at lock tube draw-in groove place in the hopper of structure shown in Figure 4;
Fig. 6 is the structural representation that the induction installation in the hopper of structure shown in Figure 5 has approach switch;
Induction installation in the hopper that Fig. 7 provides for the utility model has the structural representation of limit switch;
The locking mechanism cam has the structural representation of the second stopper slot in the hopper that Fig. 8 provides for the utility model;
The spacing view of the second stopper slot of lock core and cam when hopper was opened when Fig. 9 was use structure cam shown in Figure 8;
The spacing view of the first stopper slot of lock core and cam when hopper was closed when Figure 10 was use structure cam shown in Figure 8.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model patent protection.
As shown in Figure 1, the hopper 01 of pumping equipment comprises the inner hopper body 06 that forms the hopper chamber, is positioned at the hopper of hopper body 06 indoor and have the screen cloth 02 of rotating shaft 03, and rotating shaft 03 is installed in the side plate of hopper body 06; The effect of the safety device of screen cloth is to prevent the unlatching of the accident of screen cloth, improves the safety in the screen cloth running.As shown in Figure 3, the screen cloth safety device of the pumping equipment hopper that the utility model provides comprises:
With the rotating shaft 03 co-axially fixed cam 1 of screen cloth 02, cam 1 has recessed the first stopper slot 11 to cam 1 rotation;
When screen cloth 02 is closed, cooperate with the first stopper slot 11 and the stopping means 2 of locking cam 1 circumferential position.
In the screen cloth safety device of the hopper that the utility model provides, cam 1 is coaxial fixing with the rotating shaft 03 of screen cloth 02, when screen cloth 02 closure, stopping means 2 cooperates with the first stopper slot 11 of cam 1, the circumferential position of locking cam 1, and then the rotating shaft 03 of screen cloth 02 circumferentially limited, screen cloth 02 is kept closed; When needs are opened above-mentioned screen cloth 02, need first the lock-out state between the first stopper slot 11 of stopping means 2 and cam 1 to be removed, release cam 1, then the rotating shaft 03 of screen cloth 02 could be rotated, and then the accident of prevention screen cloth 02 is opened.
So the hopper that the utility model provides can prevent the accident of screen cloth to open, thus the safety when improving pumping equipment work.
As shown in Figure 3, in a kind of specific embodiment, above-mentioned stopping means 2 can comprise:
The relative lock tube 22 of fixing and having pilot hole 221 of shell body with hopper 01;
Run through pilot hole 221, be installed on lock tube 22, and can be along the flexible lock core 23 of the bearing of trend of the pilot hole 221 in the lock tube 22, when screen cloth 02 was closed, the first end of lock core 23 stretches in the first stopper slot 11 that cam 1 has.Lock tube 22 is relative fixing with the shell body of hopper, then the guiding direction of pilot hole 221 is fixed, lock core 23 can only move along the guiding direction of pilot hole 221, therefore, when lock core 23 does not shift out in the first stopper slot 11 of cam 1, the circumferential limited device 2 of cam 1 limits, can't rotate, and then the rotating shaft 03 of screen cloth 02 also is defined, and screen cloth 02 can't be opened, when only having the end that lock core 23 is stretched into the first stopper slot 11 to shift out from the first stopper slot 11, latch-release between cam 1 and the lock core 23, cam 1 is released, and then the rotating shaft 03 of screen cloth 02 is released, and screen cloth 02 just can carry out breakdown action.
In a kind of embodiment, when screen cloth 02 is closed for lock core 23 can be stretched in the first stopper slot 11 of cam 1 automatically, as shown in Figure 3, be provided with between lock core 23 and the lock tube 22 and be in the back-moving spring 25 that the power state is held in compression, and the active force of 25 pairs of lock cores 23 of back-moving spring is towards the direction of cam 1.
In the time of in working order, lock core 23 is under the pressure-acting of back-moving spring 25, the first end of lock core 23 is against on the cam surface of cam 1 all the time, when screen cloth 02 closure, the first stopper slot 11 is relative with the first end of lock core 23, lock core 23 stretches under the active force of back-moving spring 25 in the first stopper slot 11, and the rotating shaft 03 of screen cloth 02 is automatically locked; And, the stability that cooperates between the first end that back-moving spring 25 can improve lock core 23 and the first stopper slot 11.
Concrete, as shown in Figure 3, the first end of lock core 23 has spacing fixture block 21, has the first confined planes towards fixture block 21 in the pilot hole 221 of lock tube 22, fixture block 21 has the second confined planes towards the first confined planes, back-moving spring 25 is sheathed on lock core 23, and an end and the first confined planes offset, and the other end and the second confined planes offset.
Back-moving spring 25 is positioned at the pilot hole 221 of lock tube 22, and be set on the lock core 23, can make progress as lock core 23 provides pressure in the week of lock core 23, can either improve the compactedness of above-mentioned locking mechanism structure, and can improve the stability that 25 pairs of lock cores 23 of back-moving spring provide pressure.
Further, for ease of changing to the assembling of back-moving spring 25 with to the fixture block 21 after the wearing and tearing, particularly, as shown in Figure 3, be detachable matching relationship between above-mentioned fixture block 21 and the lock core 23, can be connected by threaded engagement as between fixture block 21 and the lock core 23, can also be the modes such as grafting, describe no longer one by one here.
In a kind of embodiment, as shown in Figure 3, for ease of the operation to lock core 23, the second end of lock core 23 is provided with operating grip 24.Operate by 24 pairs of lock cores 23 of operating grip, can easily the first end of lock core 23 be pulled out from the first stopper slot 11 of cam 1.
As shown in Figure 4 and Figure 5, in a kind of embodiment, the flexibility of regulating in order to improve locking mechanism, the second end of above-mentioned lock core 23 has clamp 231, and pilot hole 221 has the draw-in groove 222 corresponding with clamp 231.The orientation in the concrete operations, can be pulled out lock core 23 to the right along pilot hole 221 as shown in Figure 4, make clamp 231 break away from draw-in groove 222, then rotary locking cylinder 23, clamp 231 are stuck on the right side of lock tube 22, thereby can satisfy operation when needs lock core 23 does not stretch into the first stopper slot 11 automatically.
The hopper 01 that the utility model provides, the protective capacities of screen cloth 02 can have been improved by the cooperation between the lock core 23, lock tube 22 and the cam 1 that provide in the above-mentioned embodiment, and screen cloth 02 is opened, must first lock core 23 be withdrawed from from the first stopper slot 11 of cam 1, realize screen cloth 02 unexpected leading protection of opening; Certainly, on the basis of above-mentioned embodiment, in order further to improve the monitoring to screen cloth 02 state, in a kind of embodiment, above-mentioned hopper also comprises induction installation, and when the first end of lock core 23 stretches into the first stopper slot 11 of cam 1 when interior, induction installation sends safety signal.
When the first end of lock core 23 stretches into the first stopper slot 11 of cam 1 when interior, induction installation sends safety signal, and then judges that screen cloth 02 do not open, after screen cloth 02 is opened, induction installation does not send safety signal, therefore, arrange induction installation can be better to the monitoring of screen cloth 02 state.
Particularly, above-mentioned induction installation comprises:
As shown in Figure 6, be installed on the approach switch 27 of lock tube 22, and be arranged at the sense contact 26 of lock core 23, when the first end of lock core 23 stretched into the first stopper slot 11, sense contact 26 was positioned at the induction range of approach switch 27, and approach switch 27 produces safety signal; And/or
As shown in Figure 7, be installed on the inductor with limit switch 28 29 on the hopper body 06, when the first end of lock core 23 stretched into the first stopper slot 11, the operating grip 24 of lock core 23 was pushed down limit switch 28, and inductor 29 produces safety signal; Certainly, if when lock core 23 is not provided with operating grip 24, can also be that the miscellaneous part in the lock core 23 is pushed down limit switch 28.
Certainly, in order further to improve the safety in utilization of above-mentioned hopper, prevent the unexpected closure after screen cloth 02 is opened, on the basis of technique scheme, as shown in Figure 8, preferably, above-mentioned cam 1 has the second stopper slot 12, when screen cloth 02 was opened, the first end of lock core 23 stretched in the second stopper slot 12, as shown in Figure 9, certainly, when screen cloth 01 closure, the first end of lock core 23 stretches in the first stopper slot 11, as shown in figure 10.Therefore, can realize in the above-mentioned hopper position after screen cloth 02 unlatching is limited, can prevent that screen cloth 02 is unexpected closed under opening.
In like manner, when being provided with the first stopper slot 11 and the second stopper slot 12 on the cam 1, in order further to improve the monitoring to screen cloth 02 state, in a kind of embodiment, above-mentioned hopper also comprises induction installation, when the first end of lock core 23 stretches into the first stopper slot 11 of cam 1 when interior, induction installation sends safety signal.
When the first end of lock core 23 stretches into the first stopper slot 11 of cam 1 when interior, induction installation sends safety signal, and then judges that screen cloth 02 do not open, after screen cloth 02 is opened, induction installation does not send safety signal, therefore, arrange induction installation can be better to the monitoring of screen cloth 02 state.
Particularly, the degree of depth of above-mentioned the second stopper slot 12 is less than the degree of depth of the first stopper slot 11; Induction installation comprises:
As shown in Figure 9 and Figure 10, be installed on the approach switch 27 of lock tube 22, and be arranged at the sense contact 26 of the second end of lock core 23, when the first end of lock core 23 stretches into the first stopper slot 11, sense contact 26 is positioned at the induction range of approach switch 27, and approach switch 27 produces safety signal; As shown in figure 10, when the first end of lock core 23 stretched into the first stopper slot 11 of cam 1, approach switch 27 was sensed the sense contact 26 that lock core 23 second ends arrange, and produced safety signal; As shown in Figure 9, when the first stopper slot 11 and the second stopper slot 12 are set on the cam 1, the degree of depth of the second stopper slot 12 is less than the degree of depth of the first stopper slot 11, when the first end of lock core 23 stretches into the second stopper slot 12, sense contact on the lock core 23 does not enter the induction range of approach switch 27, can not produce safety signal.
Certainly, above-mentioned induction installation can also be another kind of structure, concrete, above-mentioned induction installation comprises the inductor with limit switch 28 29 that is installed on the hopper body 06, when the first end of lock core 23 stretches into the first stopper slot 11, lock core 23 is pushed down limit switch 28, and inductor 29 produces safety signal.When the first end of lock core 23 stretched into the first stopper slot 11, lock core 23 was pressed onto limit switch 28, and limit switch 28 is opened inductor 29, and inductor 29 produces safety signal; When the first end of lock core 23 stretched into the second stopper slot 12 of cam 1, lock core 23 can not be pressed onto limit switch 28, and inductor 29 can not produce safety signal.
The utility model also provides a kind of pumping equipment, and any hopper that provides in the above-mentioned embodiment is provided this pumping equipment.Safety when this pumping equipment uses is better.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.
Claims (14)
1. the screen cloth safety device of a pumping equipment hopper is characterized in that, comprising:
With the co-axially fixed cam of the rotating shaft of described screen cloth, described cam has recessed the first stopper slot to described cam rotating shaft line;
When described screen cloth is closed, cooperates and lock the stopping means of described cam circumferential position with described the first stopper slot.
2. screen cloth safety device according to claim 1 is characterized in that, described stopping means comprises:
The relative lock tube of fixing and having pilot hole of shell body with described hopper;
Run through described pilot hole, be installed on described lock tube, and can be along the flexible lock core of the bearing of trend of the pilot hole in the described lock tube, when described screen cloth was closed, the first end of described lock core stretched into the first stopper slot that described cam has.
3. screen cloth safety device according to claim 2 is characterized in that, be provided with between described lock core and the described lock tube to be in compression and to hold the back-moving spring of power state, and described back-moving spring to the active force of described lock core towards described cam.
4. screen cloth safety device according to claim 3, it is characterized in that, the first end of described lock core has spacing fixture block, has the first confined planes towards described fixture block in the pilot hole of described lock tube, described fixture block has the second confined planes towards described the first confined planes, described back-moving spring is sheathed on described lock core, and an end and described the first confined planes offset, and the other end and described the second confined planes offset.
5. screen cloth safety device according to claim 4 is characterized in that, detachably cooperates between described fixture block and the described lock core.
6. screen cloth safety device according to claim 4 is characterized in that, the second end of described lock core is provided with operating grip.
7. screen cloth safety device according to claim 6 is characterized in that, the second end of described lock core has clamp, and described pilot hole has the draw-in groove corresponding with described clamp.
8. each described screen cloth safety device is characterized in that according to claim 2～7, also comprises induction installation, and when the first end of described lock core stretched in the first stopper slot of described cam, described induction installation sent safety signal.
9. screen cloth safety device according to claim 8 is characterized in that, described induction installation comprises:
Be installed on the approach switch of described lock tube, and be arranged at the sense contact of described lock core, when the first end of described lock core stretched into described the first stopper slot, described sense contact was positioned at the induction range of described approach switch, and described approach switch produces safety signal; And/or
Inductor with limit switch, when the first end of described lock core stretched into described the first stopper slot, described lock core was pushed down described limit switch, and inductor produces safety signal.
10. each described screen cloth safety device is characterized in that according to claim 2～7, and described cam has the second stopper slot, and when described screen cloth was opened, the first end of described lock core stretched into described the second stopper slot.
11. screen cloth safety device according to claim 10 is characterized in that, also comprises induction installation, when the first end of described lock core stretched in the first stopper slot of described cam, described induction installation sent safety signal.
12. screen cloth safety device according to claim 11 is characterized in that the degree of depth of described the second stopper slot is less than the degree of depth of described the first stopper slot; Described induction installation comprises:
Be installed on the approach switch of described lock tube, and be arranged at the sense contact of described lock core, when the first end of described lock core stretched into described the first stopper slot, described sense contact was positioned at the induction range of described approach switch, and described approach switch produces safety signal; And/or
Inductor with limit switch, when the first end of described lock core stretched into described the first stopper slot, described lock core was pushed down described limit switch, and inductor produces safety signal.
13. hopper, comprise the inner hopper body that forms the hopper chamber, be positioned at the hopper of described hopper body indoor and have the screen cloth of rotating shaft, described rotating shaft is installed in the side plate of described hopper body, it is characterized in that, also comprise such as each described screen cloth safety device of claim 1～12.
14. a pumping equipment is characterized in that, comprises hopper as claimed in claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141548 CN203238962U (en) | 2013-03-26 | 2013-03-26 | Screen safety device, hopper and pumping equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320141548 CN203238962U (en) | 2013-03-26 | 2013-03-26 | Screen safety device, hopper and pumping equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203238962U true CN203238962U (en) | 2013-10-16 |
Family
ID=49316272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320141548 Expired - Lifetime CN203238962U (en) | 2013-03-26 | 2013-03-26 | Screen safety device, hopper and pumping equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203238962U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328527A (en) * | 2018-04-03 | 2018-07-27 | 湖南星邦重工有限公司 | A kind of limit device for support leg and aerial work platform |
| CN108448417A (en) * | 2018-05-11 | 2018-08-24 | 浙江工贸职业技术学院 | A kind of switchgear manually controlled |
| CN108706089A (en) * | 2018-05-21 | 2018-10-26 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Limiting device and limiting device control system |
| CN110043581A (en) * | 2019-05-07 | 2019-07-23 | 深圳市众为创造科技有限公司 | A kind of band-type brake |
| WO2020007378A1 (en) * | 2018-07-05 | 2020-01-09 | 台州市新大陆电子科技有限公司 | Wire feed spool stop mechanism for rebar tying machine having position-fixing apparatus |
| CN111549834A (en) * | 2020-05-17 | 2020-08-18 | 张洪梅 | Foundation pit excavation model test device based on surface water permeation and use method |
| 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
- 2013-03-26 CN CN 201320141548 patent/CN203238962U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108328527A (en) * | 2018-04-03 | 2018-07-27 | 湖南星邦重工有限公司 | A kind of limit device for support leg and aerial work platform |
| CN108328527B (en) * | 2018-04-03 | 2023-07-25 | 湖南星邦智能装备股份有限公司 | Landing leg stop device and aerial working platform |
| CN108448417A (en) * | 2018-05-11 | 2018-08-24 | 浙江工贸职业技术学院 | A kind of switchgear manually controlled |
| CN108706089A (en) * | 2018-05-21 | 2018-10-26 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Limiting device and limiting device control system |
| WO2020007378A1 (en) * | 2018-07-05 | 2020-01-09 | 台州市新大陆电子科技有限公司 | Wire feed spool stop mechanism for rebar tying machine having position-fixing apparatus |
| US11585107B2 (en) | 2018-07-05 | 2023-02-21 | Taizhou Xindalu Electronic Technology Co., Ltd. | Rebar tying machine wire feeding disc braking mechanism with positioning device |
| CN110043581A (en) * | 2019-05-07 | 2019-07-23 | 深圳市众为创造科技有限公司 | A kind of band-type brake |
| CN111549834A (en) * | 2020-05-17 | 2020-08-18 | 张洪梅 | Foundation pit excavation model test device based on surface water permeation and use method |
| 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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