CN114132649A - Automatic locking device of manhole cover and intelligent powder material transportation tank car - Google Patents
Automatic locking device of manhole cover and intelligent powder material transportation tank car Download PDFInfo
- Publication number
- CN114132649A CN114132649A CN202111544401.XA CN202111544401A CN114132649A CN 114132649 A CN114132649 A CN 114132649A CN 202111544401 A CN202111544401 A CN 202111544401A CN 114132649 A CN114132649 A CN 114132649A
- Authority
- CN
- China
- Prior art keywords
- manhole cover
- valve
- locking device
- rotating
- manhole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title claims abstract description 18
- 239000000843 powder Substances 0.000 title claims abstract description 18
- 238000007599 discharging Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000004568 cement Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P3/00—Vehicles adapted to transport, to carry or to comprise special loads or objects
- B60P3/22—Tank vehicles
- B60P3/224—Tank vehicles comprising auxiliary devices, e.g. for unloading or level indicating
- B60P3/226—Arrangements of access openings or covers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Transportation (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses an automatic locking device of a manhole cover and an intelligent powder material transportation tank car, and relates to the technical field of powder material transportation tank car equipment, wherein the automatic locking device comprises a rotating part, a rotating driving part and a plurality of clamping parts, wherein the rotating part is rotatably arranged on the manhole cover; because the clamping parts are hinged on the rotating parts, when the rotating parts rotate, the rotating parts can be driven to rotate simultaneously, the locking action is more synchronous, and the manhole cover can be locked; and the rotation driving part is only provided with one, the structure is simpler, the operation is more convenient, and the equipment cost can be reduced.
Description
Technical Field
The invention relates to the technical field of powder material transportation tank car equipment, in particular to an automatic locking device of a manhole cover and an intelligent powder material transportation tank car.
Background
The powder material transport tank car is also called bulk cement truck, is composed of special-purpose vehicle chassis, bulk cement truck tank body, gas pipeline system and automatic unloading device, and is applicable to bulk transport of powder dry materials whose grain diameter is not greater than 0.1mm, such as flyash, cement, lime powder, ore powder and granular alkali, and is mainly used for cement plant, cement warehouse and large-scale building site, and can save a lot of packaging material and loading and unloading labour.
The manhole device of the traditional tank car consists of a manhole cover and a manhole neck ring, the manhole cover and the manhole neck ring are locked by bolts which are positioned and locked at 6 points or 8 points of the traditional machinery, when the manhole cover is opened and closed, a person is required to climb to the top of a tank body to loosen the bolts and then open the manhole cover, the material is loaded, and after the manhole cover is opened and closed, the bolts are manually locked, so that the danger possibly caused by the ascending of the person is increased, the operation is complex, the labor cost is increased, and the time is wasted; such as utility model patent with the name of "201721194391.0" a bulk powder transport tank. The utility model discloses an in the utility model patent of application number "202022359054.0", the name is "an automatic manhole device for jar body", it compresses tightly the manhole cover through a plurality of cylinder difference drive closing device, but its cylinder, closing device all corresponding are provided with the multiunit, and the structure is more complicated.
Therefore, the research and development of a mechanism which has a simple structure and can automatically open and close the manhole cover is a technical problem which needs to be solved in the field.
Disclosure of Invention
The invention aims to provide an automatic locking device for a manhole cover and an intelligent powder material transportation tank car, which are used for solving the problems in the prior art, realizing automatic opening and closing of the manhole cover and automatic locking, and can reduce the labor intensity of workers, improve the safety and correspondingly improve the working efficiency.
In order to achieve the purpose, the invention provides the following scheme: the invention provides an automatic locking device of a manhole cover, which comprises a rotating part, a rotating driving part and a plurality of clamping parts, wherein the rotating part is rotatably arranged on the manhole cover, the rotating driving part is used for driving the rotating part to rotate, the clamping parts are fixed on a manhole neck ring, clamping seats are arranged on the clamping seats, clamping ports are formed in the clamping seats, each clamping part comprises a first connecting rod and a pin shaft, the first connecting rods are hinged to the rotating part, the pin shafts are arranged in guide seats in a penetrating mode, the guide seats are fixed on the manhole cover and comprise guide grooves used for guiding the pin shafts, openings in the end parts of the guide grooves are right opposite to the clamping ports, the end parts of the pin shafts extend into the clamping ports to be clamped when the rotating part rotates forwards, and the end parts of the pin shafts are separated from the clamping ports when the rotating part rotates reversely.
Preferably, the end of the pin shaft is wedge-shaped.
Preferably, a plurality of second connecting rods uniformly extend from the rotating portion in the circumferential direction of the rotating portion, the end portions of the second connecting rods are hinged to the first connecting rods, and any one of the second connecting rods is hinged to the rotation driving portion.
Preferably, the rotation driving part comprises an air cylinder, a cylinder barrel of the air cylinder is hinged to the manhole cover, and the end part of the piston rod is hinged to the second connecting rod.
Preferably, the automatic locking device further comprises a micro switch arranged on the manhole neck ring and used for detecting whether the manhole cover is closed and locked, and the air cylinder is provided with a magnetic switch used for detecting whether the piston rod is completely extended.
Preferably, the automatic locking device further comprises a driving motor, and the manhole cover is fixed on an output shaft of the driving motor.
Preferably, the device also comprises a locking controller, and the driving motor, the cylinder, the microswitch and the magnetic switch are all electrically connected with the locking controller.
The invention also provides an intelligent powder material transportation tank car, which comprises a tank body, wherein the top of the tank body is provided with a manhole cover and a manhole neck ring, and the manhole cover is provided with the automatic manhole cover locking device; the tank body is also provided with an automatic discharging system, the automatic discharging system comprises a discharging controller, a pressure transmitter for detecting the pressure in the tank body, a rotating speed sensor for detecting the rotating speed of the vehicle-mounted air compressor on the tank car and a discharging valve group, and the pressure transmitter, the rotating speed sensor and the discharging valve group are electrically connected with the discharging controller.
Preferably, the unloading valve group comprises a front air chamber air inlet valve, a rear air chamber air inlet valve, a secondary blowing-assisting valve, an unloading valve, a pressure release valve and an external air inlet valve which are all electrically connected with the unloading controller.
Preferably, the front air chamber air inlet valve, the rear air chamber air inlet valve, the secondary blowing-assisting valve, the discharge valve, the pressure release valve and the external air inlet valve are all pneumatic ball valves, and an air source for supplying air to the discharge valve group is further arranged on the tank car.
Compared with the prior art, the invention has the following technical effects:
1. the locking device can realize automatic locking of the manhole cover, can reduce the labor intensity of workers, improve the safety and correspondingly improve the working efficiency; because the clamping parts in the embodiment are all hinged on the rotating parts, when the rotating parts rotate, the rotating parts can be driven to rotate simultaneously, the locking action is more synchronous, and the manhole cover can be locked; the rotating driving part is only provided with one rotating driving part, and a plurality of groups of mechanisms are not needed to drive the rotating driving part to rotate, so that the structure is simpler, the operation is more convenient, and the equipment cost can be reduced;
2. the invention is provided with the microswitch and the magnetic switch, both of which can detect whether the manhole cover is locked in place in different aspects, when the microswitch or the magnetic switch detects that the manhole cover is not locked in place, the locking controller receives a signal, the subsequent operation cannot be carried out, and a worker needs to carry out closing operation again or check, thereby ensuring safety accidents caused by the fact that the manhole cover is not locked in place, and also ensuring the safety of the worker and property safety;
3. according to the invention, the unloading valve group is controlled by the unloading controller, so that the tank car can be remotely controlled to automatically unload materials.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of an automatic locking device for a manhole cover according to the present invention;
wherein, 1, a manhole cover; 2. a manhole well ring; 3. a rotating part; 4. a clamping seat; 5. a first link; 6. a pin shaft; 7. a guide seat; 8. a cylinder; 9. the motor is driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an automatic locking device for a manhole cover and an intelligent powder material transportation tank car, which are used for solving the problems in the prior art, realizing automatic opening and closing of the manhole cover and automatic locking, and can reduce the labor intensity of workers, improve the safety and correspondingly improve the working efficiency.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1:
as shown in fig. 1, the embodiment provides an automatic locking device of manhole cover 1, including rotating the rotation portion 3 that sets up on manhole cover 1, a rotation drive portion and a plurality of joint portion for driving rotation portion 3 pivoted, be fixed with a plurality of joint seats 4 on the manhole neck ring 2, be provided with the joint interface on the joint seat 4, joint portion is including looks articulated first connecting rod 5 and round pin axle 6, the tip of first connecting rod 5 articulates on rotation portion 3, round pin axle 6 wears to establish in guide holder 7, guide holder 7 is fixed on manhole cover 1, and including being used for carrying out the guide way that leads to round pin axle 6, the tip opening of guide way is just right with the joint interface, the tip that will sell axle 6 when rotating portion 3 forward rotation stretches into chucking in the joint interface, during the reversal, the tip of round pin axle 6 is deviate from in the joint interface.
When the manhole cover is used, when the manhole cover 1 is closed and needs to be locked, the rotation driving part acts to drive the rotation part 3 to rotate in the forward direction, when the rotation part 3 rotates in the forward direction, the first connecting rod 5 swings, the pin shaft 6 extends from the guide seat 7, and the end part of the pin shaft 6 is clamped in the clamping interface, so that the automatic locking and fixing of the manhole cover 1 are realized; when the rotating part 3 rotates reversely, the pin shaft 6 retracts from the guide seat 7, the end part is also separated from the clamping interface, the locking is invalid, and the manhole cover 1 can be opened; and set up guide holder 7, can make round pin axle 6 just to the joint interface all the time, be more convenient for carry out the joint.
Therefore, the locking device in the embodiment can realize automatic locking of the manhole cover 1, can reduce the labor intensity of workers, improve the safety and correspondingly improve the working efficiency; because the clamping parts in the embodiment are all hinged on the rotating part 3, when the rotating part 3 rotates, the rotating parts 3 can be driven to rotate simultaneously, the locking action is more synchronous, and the manhole cover 1 can be locked; and the rotation driving part is only provided with one, and a plurality of groups of mechanisms are not needed to drive the rotation part 3 to rotate, so that the structure is simpler, the operation is more convenient, and the equipment cost can be reduced.
Further, in this embodiment, the end of the pin 6 has a wedge shape.
Furthermore, in this embodiment, a plurality of second connecting rods extend uniformly along the circumferential direction of the rotating portion 3, the end portions of the second connecting rods are hinged to the first connecting rods 5, and any one of the second connecting rods is hinged to the rotating driving portion, specifically, the rotating portion 3 is in a cross shape and has 4 second connecting rods, and simultaneously drives 4 clamping portions to perform locking action.
The rotation driving part in this embodiment includes cylinder 8, and 8's cylinder articulates on manhole cover 1, and the tip of piston rod articulates on the second connecting rod, drives rotation part 3 through the piston rod is flexible and rotates.
In addition, a microswitch is further arranged in the embodiment, whether the manhole cover 1 is locked in place can be detected by the microswitch, and when the microswitch detects that the manhole cover 1 is not locked in place, the locking controller receives a signal, and subsequent operation cannot be performed; the embodiment is also provided with a magnetic switch, when the piston rod of the air cylinder 8 is completely extended out, the corresponding magnetic switch is triggered, whether the piston rod is completely extended out, namely whether the manhole is pressed in place or not can be detected, when the magnetic switch detects that the piston rod is not extended in place, the locking controller receives a signal, and even if the micro switch displays that the piston rod is locked, subsequent operation cannot be carried out; therefore, when the microswitch or the magnetic switch is abnormal, the worker needs to perform closing operation again or check, so that safety accidents caused by that the manhole cover 1 is not locked in place are guaranteed through double detection, and the safety of the worker and the safety of property are guaranteed; the magnetic switch of the micro-switch is a detection device commonly used in the field, and the specific structure of the embodiment is not described in detail; as for whether locking is in place or not, a person skilled in the art can judge whether the piston rod is completely extended or not according to the pressure between the manhole cover 1 and the manhole neck ring 2, and the person skilled in the art can set a length range value to be extended, and a specific measurement principle is not described in detail.
Further, automatic locking device still includes driving motor 9 in this embodiment, and manhole cover 1 is fixed on driving motor 9's output shaft, drives manhole cover 1 through driving motor 9 and opens or close, reduces staff intensity of labour.
Further, the present embodiment further includes a locking controller, and the driving motor 9, the cylinder 8, the micro switch, and the magnetic switch are all electrically connected to the locking controller; the locking controller can be connected with a mobile phone App or a remote controller through wireless signals, so that a worker can remotely control the locking controller; the internal program of the locking controller is capable of being set by a person skilled in the art, and therefore, the present embodiment will not be described in detail herein.
Example 2:
the embodiment provides an intelligent powder material transportation tank car, which comprises a tank body, wherein the top of the tank body is provided with an automatic locking device of the manhole cover 1.
Further, still be provided with the automatic discharge system on the jar body in this embodiment, the automatic discharge system includes the controller of unloading, is used for detecting jar pressure transmitter of internal pressure, is used for detecting the rotational speed sensor and the valves of unloading of on-vehicle air compressor machine rotational speed on the tank car, and pressure transmitter, rotational speed sensor and valves of unloading all are connected with the controller of unloading electricity.
Specifically, the unloading valve group comprises a front air chamber air inlet valve, a rear air chamber air inlet valve, a secondary blowing-assisting valve, an unloading valve, a pressure release valve and an external air inlet valve which are all electrically connected with the unloading controller.
Similarly, the unloading controller can be connected with a mobile phone App or a remote controller through wireless signals, so that a worker can remotely control the unloading controller.
When the material needs to be unloaded, a worker presses an unloading button on a remote controller or a mobile phone App, and an unloading controller receives a control signal; then the unloading controller controls the front air chamber air inlet valve and the rear air chamber air inlet valve to be opened simultaneously, then the vehicle-mounted air compressor is opened, and after the unloading controller detects that the pressure of the gas in the tank reaches the unloading starting pressure value, the secondary blowing-assisting valve and the unloading valve are controlled to be opened in sequence to start unloading; when the unloading controller detects that the gas pressure in the tank is lower than the unloading completion pressure value, a prompt signal is sent to a remote controller or a mobile phone App held by a worker; after seeing the prompt signal, the working personnel turn off the vehicle-mounted air compressor; then the unloading controller detects the rotating speed of the vehicle-mounted air compressor, after the air compressor stops, the decompression valve is controlled to be opened, and after redundant high-pressure gas in the tank body is completely discharged, the front air chamber air inlet valve, the rear air chamber air inlet valve, the secondary blowing-assisting valve, the unloading valve and the decompression valve are controlled to be closed, so that the whole unloading process is completed; thereby realizing automatic unloading and greatly improving the unloading efficiency.
Further, preceding air chamber admission valve, back air chamber admission valve, secondary help blow valve, discharge valve, relief valve and external admission valve are pneumatic ball valve in this embodiment, still are provided with the air supply that is used for unloading the valves air feed on the tank car.
The adaptation according to the actual needs is within the scope of the invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. The automatic locking device of the manhole cover is characterized by comprising a rotating part, a rotating driving part and a plurality of clamping parts, wherein the rotating part is rotatably arranged on the manhole cover, the rotating driving part is used for driving the rotating part to rotate, the clamping parts are fixedly provided with a plurality of clamping seats, the clamping seats are provided with clamping ports, each clamping part comprises a first connecting rod and a pin shaft, the first connecting rods are hinged to the rotating part, the pin shafts are arranged in the guide seats in a penetrating mode, the guide seats are fixedly arranged on the manhole cover and comprise guide grooves used for guiding the pin shafts, end openings of the guide grooves are right opposite to the clamping ports, the end portions of the pin shafts extend into the clamping ports to be clamped when the rotating part rotates forwards, and the end portions of the pin shafts are separated from the clamping ports when the rotating part rotates reversely.
2. The automatic locking device for manhole covers according to claim 1, wherein the end of the pin has a wedge shape.
3. The automatic locking device for a manhole cover according to claim 2, wherein the rotary part has a plurality of second links extending uniformly in a circumferential direction thereof, ends of the second links being hinged to the first links, and any one of the second links being hinged to the rotary driving part.
4. The automatic locking device of a manhole cover according to claim 3, wherein the rotary driving part comprises an air cylinder, a cylinder barrel of the air cylinder is hinged on the manhole cover, and an end of a piston rod is hinged on the second connecting rod.
5. The automatic manhole cover locking device according to claim 4, further comprising a micro switch arranged on the manhole neck ring for detecting whether the manhole cover is locked or not, and a magnetic switch for detecting whether the piston rod is fully extended or not is arranged on the air cylinder.
6. The automatic locking device for manhole covers according to claim 5, further comprising a driving motor, wherein the manhole cover is fixed to an output shaft of the driving motor.
7. The automatic locking device of a manhole cover according to claim 6, further comprising a locking controller, wherein the driving motor, the cylinder, the micro switch and the magnetic switch are electrically connected to the locking controller.
8. An intelligent powder material transportation tank car, which is characterized by comprising a tank body, wherein the top of the tank body is provided with a manhole cover and a manhole neck ring, and the manhole cover is provided with an automatic manhole cover locking device according to any one of claims 1 to 7; the tank body is also provided with an automatic discharging system, the automatic discharging system comprises a discharging controller, a pressure transmitter for detecting the pressure in the tank body, a rotating speed sensor for detecting the rotating speed of the vehicle-mounted air compressor on the tank car and a discharging valve group, and the pressure transmitter, the rotating speed sensor and the discharging valve group are electrically connected with the discharging controller.
9. An intelligent powder material transport tanker according to claim 8, wherein said unloading valve set comprises a front air chamber inlet valve, a rear air chamber inlet valve, a secondary blowing-aid valve, an unloading valve, a pressure relief valve and an external inlet valve, all electrically connected to said unloading controller.
10. An intelligent powder material transportation tanker according to claim 9, wherein the front air chamber inlet valve, the rear air chamber inlet valve, the secondary blowing-aid valve, the discharge valve, the pressure release valve and the external inlet valve are all pneumatic ball valves, and the tanker is further provided with an air source for supplying air to the discharge valve set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544401.XA CN114132649A (en) | 2021-12-16 | 2021-12-16 | Automatic locking device of manhole cover and intelligent powder material transportation tank car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111544401.XA CN114132649A (en) | 2021-12-16 | 2021-12-16 | Automatic locking device of manhole cover and intelligent powder material transportation tank car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114132649A true CN114132649A (en) | 2022-03-04 |
Family
ID=80382645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111544401.XA Pending CN114132649A (en) | 2021-12-16 | 2021-12-16 | Automatic locking device of manhole cover and intelligent powder material transportation tank car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114132649A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB543678A (en) * | 1940-09-03 | 1942-03-09 | John Thompson Dudley Ltd | Improvements in man-holes and the like and in lids and covers therefor |
| JPH0297295U (en) * | 1989-01-20 | 1990-08-02 | ||
| CN203946455U (en) * | 2014-07-15 | 2014-11-19 | 高义武 | A kind of powder storage tank car |
| WO2016057039A1 (en) * | 2014-10-09 | 2016-04-14 | Mizioch Gregory J | Security lid |
| CN206706842U (en) * | 2017-05-08 | 2017-12-05 | 徐能德 | A kind of lockset anti-stealing manhole cover |
| CN207644381U (en) * | 2017-11-10 | 2018-07-24 | 中车眉山车辆有限公司 | A kind of high through unloading rate bulk cement tank car of centre of gravity |
| CN109208649A (en) * | 2018-10-31 | 2019-01-15 | 昆明迪森电气有限公司 | Wireless remote control intelligent anti-theft well lid |
| JP2019177936A (en) * | 2018-03-30 | 2019-10-17 | 極東開発工業株式会社 | Attachment structure for manhole cover of pressure tank and particulate matter transport vehicle |
| CN111483387A (en) * | 2020-04-24 | 2020-08-04 | 合肥工业大学 | Improved air chamber and powder tank truck using same |
| CN213621529U (en) * | 2020-10-21 | 2021-07-06 | 河北光德罐阀科技有限公司 | Automatic manhole device for tank body |
| CN113772277A (en) * | 2021-10-31 | 2021-12-10 | 浙江超宇汽车科技有限公司 | Tank structure of powder material vehicle |
-
2021
- 2021-12-16 CN CN202111544401.XA patent/CN114132649A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB543678A (en) * | 1940-09-03 | 1942-03-09 | John Thompson Dudley Ltd | Improvements in man-holes and the like and in lids and covers therefor |
| JPH0297295U (en) * | 1989-01-20 | 1990-08-02 | ||
| CN203946455U (en) * | 2014-07-15 | 2014-11-19 | 高义武 | A kind of powder storage tank car |
| WO2016057039A1 (en) * | 2014-10-09 | 2016-04-14 | Mizioch Gregory J | Security lid |
| CN206706842U (en) * | 2017-05-08 | 2017-12-05 | 徐能德 | A kind of lockset anti-stealing manhole cover |
| CN207644381U (en) * | 2017-11-10 | 2018-07-24 | 中车眉山车辆有限公司 | A kind of high through unloading rate bulk cement tank car of centre of gravity |
| JP2019177936A (en) * | 2018-03-30 | 2019-10-17 | 極東開発工業株式会社 | Attachment structure for manhole cover of pressure tank and particulate matter transport vehicle |
| CN109208649A (en) * | 2018-10-31 | 2019-01-15 | 昆明迪森电气有限公司 | Wireless remote control intelligent anti-theft well lid |
| CN111483387A (en) * | 2020-04-24 | 2020-08-04 | 合肥工业大学 | Improved air chamber and powder tank truck using same |
| CN213621529U (en) * | 2020-10-21 | 2021-07-06 | 河北光德罐阀科技有限公司 | Automatic manhole device for tank body |
| CN113772277A (en) * | 2021-10-31 | 2021-12-10 | 浙江超宇汽车科技有限公司 | Tank structure of powder material vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201441902U (en) | Automatic batching device with error-proof function | |
| CN101856989B (en) | New rotary sealing technique and concrete mixing and transporting car with horizontally arranged mixing drum | |
| CN114132649A (en) | Automatic locking device of manhole cover and intelligent powder material transportation tank car | |
| CN109808066A (en) | A kind of concrete mixer truck air pressure drives laterally opened tail-hood device and application method | |
| CN205370235U (en) | A back door gear of unloading for bulk powder goods tanker | |
| CN218477989U (en) | Manhole cover opening and closing system capable of being opened in horizontal position and sealed in expansion and compression | |
| CN207551111U (en) | Capstan head ring change inflator | |
| CN202323416U (en) | Funnel type loading device of washing equipment | |
| CN217339859U (en) | Dry powder conveying fire truck and dry powder filling system | |
| CN207371372U (en) | Carbon black powder automatic weighing-batching system | |
| CN107472590A (en) | A kind of capable of opening and closing gas-flow closure bag clamping device | |
| CN107380851A (en) | A kind of compression type garbage truck automatic rear door mechanism | |
| CN108862027A (en) | A kind of orange-peel bucket of built-in pulverizer | |
| CN209557670U (en) | A kind of control system of inflatable seal device | |
| CN211253983U (en) | Double-flap valve air lock device | |
| CN107186226A (en) | A kind of automatic numerical control lathe | |
| CN112889583A (en) | Edible mushroom packaging and detecting equipment | |
| CN106115144A (en) | The shrouding system for unlocking of waste transportation | |
| CN210187099U (en) | Continuous feeding, deslagging and deslagging integrated garbage treatment system | |
| CN213563560U (en) | Pneumatic type soot blowing feeding port locking device for concrete powder raw materials | |
| CN218141255U (en) | Ratchet wheel type vehicle sealing device | |
| CN205675013U (en) | Inflating gun of tyre | |
| CN207129218U (en) | A kind of capable of opening and closing gas-flow closure bag clamping device | |
| CN108956048A (en) | Arch-Breaking Device case weld leakproofness automatic detection system | |
| CN110081234A (en) | The system for detecting lock wind flap valve corner state using displacement sensor for pull rope |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220304 |
|
| RJ01 | Rejection of invention patent application after publication |