CN111188967A - Pipeline insulation cover - Google Patents
Pipeline insulation cover Download PDFInfo
- Publication number
- CN111188967A CN111188967A CN202010056414.1A CN202010056414A CN111188967A CN 111188967 A CN111188967 A CN 111188967A CN 202010056414 A CN202010056414 A CN 202010056414A CN 111188967 A CN111188967 A CN 111188967A
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- Prior art keywords
- groove
- heat
- insulating sleeve
- block
- unlocking frame
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
- F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves
- F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeve, two half sleeves composed of two half sleeves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L59/00—Thermal insulation in general
- F16L59/12—Arrangements for supporting insulation from the wall or body insulated, e.g. by means of spacers between pipe and heat-insulating material; Arrangements specially adapted for supporting insulated bodies
- F16L59/123—Anchoring devices; Fixing arrangements for preventing the relative longitudinal displacement of an inner pipe with respect to an outer pipe, e.g. stress cones
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses a pipeline heat-insulating sleeve and aims to provide a pipeline heat-insulating sleeve with wide application. The heat preservation sleeve comprises a first heat preservation sleeve and a second heat preservation sleeve, wherein one end of the first heat preservation sleeve is hinged to one end of the second heat preservation sleeve, the other end of the second heat preservation sleeve is provided with an adjusting block, the adjusting block is hinged to the second heat preservation sleeve, a plurality of first grooves are formed in the lower end face of the adjusting block, bosses corresponding to the first grooves are formed in the other end of the first heat preservation sleeve, a fixing device is arranged on the first heat preservation sleeve and hinged to the first heat preservation sleeve, and a locking device matched with the fixing device is arranged on the upper end face of the adjusting block. The invention has the beneficial effects that: the size of the insulating sleeve can be changed, and the wide application of the insulating sleeve is ensured; the structure is simple, and the installation is convenient; the connection is tight, and the heat preservation effect is good; long service life and low cost.
Description
Technical Field
The invention relates to the technical field related to industrial heat preservation, in particular to a pipeline heat-preservation sleeve.
Background
Pipeline heat preservation in cold areas in winter is a necessary measure for preventing water supply pipelines installed in open air from being frozen. The pipeline heat preservation is that a heat preservation material layer with certain thickness is used for wrapping the pipeline, the outside is protected by aluminum foil, iron sheet and the like, and then the pipeline is bound by lead wires. At present, the pipeline is insulated, a common pipeline is laid at a high position of a beam slab bottom by a support, the traditional procedures such as length measurement, cutting, wrapping, bundling and the like of insulation materials are inconvenient to construct and low in efficiency, and insulation sleeves with different sizes are needed for insulation of pipelines with different sizes.
Disclosure of Invention
The invention provides a pipeline heat-insulating sleeve with wide application range, aiming at overcoming the defect that heat-insulating sleeves with different sizes are needed for heat insulation of pipelines with different sizes in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a pipeline insulation cover, includes insulation cover one and insulation cover two, the one end of insulation cover one is articulated with the one end of insulation cover two, the other end of insulation cover two is equipped with the regulating block, the regulating block articulated with insulation cover two, the lower terminal surface of regulating block is equipped with a plurality of recess one, the other end of insulation cover one is equipped with the boss that corresponds with recess one, insulation cover one on be equipped with fixing device, fixing device and insulation cover one articulated, the up end of regulating block be equipped with fixing device assorted locking device.
One end of the first heat-insulating sleeve is hinged with one end of the second heat-insulating sleeve, the other end of the second heat-insulating sleeve is provided with an adjusting block, the adjusting block is hinged with the second heat-insulating sleeve, the lower end face of the adjusting block is provided with a plurality of first grooves, the other end of the first heat-insulating sleeve is provided with a boss corresponding to the first grooves, the size of the first heat-insulating sleeve is changed through different first grooves in which the bosses are arranged, and meanwhile, the first grooves and the bosses can ensure the tightness of connection, so that the heat-insulating effect is ensured; be equipped with fixing device on the insulation cover one, the up end of regulating block be equipped with fixing device assorted locking device, after the installation is accomplished, lock through fixing device and locking device cooperation, in the locking, can protect inside preventing that rainwater etc. from getting into in the slit that recess one is connected with the boss, influence the practicality of insulation cover. The design achieves the purpose of wide application.
Preferably, fixing device includes the fixed block, and the one end of fixed block is equipped with pivot one, and the fixed block rotates through pivot one and insulation cover and is connected, and the other end of fixed block is equipped with fixed the knot, and the fixed block is detained fixed connection with fixed, and the fixed block rotates through pivot one and insulation cover and is connected easy to assemble and open, and a pair of insulation cover of fixed block plays the effect of protection simultaneously, and the protection is inside to prevent that rainwater etc. from getting into in the slit of recess one and boss being connected, increases heat retaining effect.
Preferably, two sides of the fixing buckle are respectively provided with a second groove, a first spring and a locking pin are arranged in the second groove, the cross section of the top end of the locking pin is quadrilateral, the bottom end of the locking pin is arranged at the bottom in the second groove through the first spring, a first stop block is arranged at the outlet of the second groove, and a second stop block corresponding to the first stop block is arranged at the bottom end of the locking pin. The locking pin is convenient to stretch out and draw back through the spring and the groove II, the top end of the locking pin is quadrilateral, the locking pin is prevented from sliding out of the locking device when the elasticity of the spring is insufficient in a natural state, and a better locking effect is achieved; the first stop block is arranged at the outlet of the second groove, and the second stop block corresponding to the first stop block is arranged at the bottom end of the locking pin to prevent the locking pin from popping out of the second groove due to too good elastic force of the spring, so that a stable effect is achieved.
Preferably, an unlocking frame and a slot unlocking frame are arranged in the fixing buckle through slots, the unlocking frame is X-shaped and comprises a first unlocking frame and a second unlocking frame, the middle of the first unlocking frame and the middle of the second unlocking frame are rotatably connected, an unlocking block is arranged at one end of the first unlocking frame and one end of the second unlocking frame, one end of the first unlocking frame and one end of the second unlocking frame are arranged between the first stop block and the second stop block through the unlocking block, a sliding slot is arranged at the upper end of the fixing buckle, a handle is arranged at the other end of the first unlocking frame and the second unlocking frame, and the other end of the first unlocking frame and the second unlocking frame are arranged in the sliding slot through the handle. The locking pin can not be unlocked by itself when being locked, and the unlocking block is used for unlocking. Through removing the head at the spout, because the centre of unblock frame one rotates with the centre of unblock frame two to be connected, make the motion direction of the piece of unblock on the same unblock frame opposite with handle motion, because the piece of unblock is installed between dog one and dog two, make the effect on the unblock piece and dog two go up, carry out the unblock, make things convenient for fixing device to unblock.
Preferably, the locking device comprises a third groove, a second spring, a separation blade and a locking groove are arranged in the third groove, the separation blade is fixedly connected with the bottom of the third groove through the second spring, limiting blocks are arranged at two ends of the separation blade, a limiting groove corresponding to the limiting block is arranged in the third groove, the separation blade is matched and installed in the third groove through the limiting block and the limiting groove, a third stop block is arranged at an outlet of the limiting groove, the limiting groove and the locking groove are located on the side face of the third groove, and the sliding groove and the limiting groove are staggered. When the size of the heat insulation sleeve is changed, part of the locking device is not used, the blocking piece is fixedly connected with the bottom of the groove III through the spring II, and the protective effect can be achieved when the groove III is not used; the fixing buckle is convenient to pop up when unlocking; the outlet is provided with a stop block, a three-prevention stop sheet and a spring groove to ensure normal use.
Preferably, one end of the first heat-insulating sleeve is provided with a second rotating shaft, the first heat-insulating sleeve is rotatably connected with the second heat-insulating sleeve through the second rotating shaft, and inclined planes are arranged at one end of the first heat-insulating sleeve and one end of the second heat-insulating sleeve. One end of the first heat-insulating sleeve and one end of the second heat-insulating sleeve are both provided with inclined planes, so that the normal rotation of the joint of the first heat-insulating sleeve and the second heat-insulating sleeve through the second rotating shaft can be ensured when the size is changed.
Preferably, the inner walls of the first heat-insulating sleeve and the second heat-insulating sleeve are provided with heat expansion layers, the cross sections of the heat expansion layers are semicircular, a cavity is formed among the first heat-insulating sleeve, the second heat-insulating sleeve and the heat expansion layers, two sliding rails and a plurality of baffles are arranged in the cavity, the cross sections of the baffles are arc-shaped, the sliding rails are arranged on the inclined plane, pulleys are arranged at two ends of each baffle, the baffles are arranged between the two sliding rails through the pulleys, and heat-insulating materials are arranged between every two adjacent baffles. The inner walls of the first heat-insulating sleeve and the second heat-insulating sleeve are respectively provided with a thermal expansion layer, so that the heat-insulating sleeves can be tightly connected with the pipeline when the size is changed; two sliding rails and a plurality of baffle plates are arranged in the cavity, pulleys are arranged at two ends of the baffle plates, the size is convenient to change, heat insulation materials are arranged between the baffle plates, the heat insulation materials can be heat insulation cotton and the like, and the heat insulation effect of the joint of the first heat insulation sleeve and the second heat insulation sleeve through the second rotating shaft can be guaranteed.
The invention has the beneficial effects that: the size of the insulating sleeve can be changed, and the wide application of the insulating sleeve is ensured; the structure is simple, and the installation is convenient; the connection is tight, and the heat preservation effect is good; long service life and low cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a schematic view of the locking device;
FIG. 5 is a schematic structural view of a locking groove and a limiting groove;
fig. 6 is an enlarged view of the structure at C in fig. 1.
In the figure: 1. the thermal insulation device comprises a thermal insulation sleeve I, a thermal insulation sleeve II, a regulating block, a groove I, a boss 5, a fixing device 6, a locking device 7, a fixing block 8, a rotating shaft I, a fixing buckle 10, a groove II, a spring I, a locking pin 13, a stop block I, a stop block II, a stop block 16, an unlocking frame I, a unlocking frame I, an unlocking frame I, a stop block II, a locking block 19, a sliding groove 20, a handle head 21, a groove III 22, a groove III 23, a spring II, a stop piece 24, a stop piece 25, a locking groove 26, a rotating shaft II, a slope 27, a thermal expansion layer 28, a cavity 29, a sliding rail 30, a baffle 31, a thermal insulation material 32, a pulley 33, a groove 34, a limiting block 35, a limiting block 36, a limiting groove 37 and a stop block III.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1, 2 and 3, the pipeline heat-insulating sleeve comprises a first heat-insulating sleeve 1 and a second heat-insulating sleeve 2, one end of the first heat-insulating sleeve 1 is hinged with one end of the second heat-insulating sleeve 2, the other end of the second heat-insulating sleeve 2 is provided with an adjusting block 3, the adjusting block 3 is hinged with the second heat-insulating sleeve 2, the lower end face of the adjusting block 3 is provided with a plurality of first grooves 4, the other end of the first heat-insulating sleeve 1 is provided with a boss 5 corresponding to the first grooves 4, the first heat-insulating sleeve 1 is provided with a fixing device 6, the fixing device 6 is hinged with the first heat-insulating sleeve 1, and the upper end face of the adjusting block 3 is provided with a locking device; the fixing device 6 comprises a fixing block 8, one end of the fixing block 8 is provided with a first rotating shaft 9, the fixing block 8 is rotatably connected with the first heat-insulating sleeve 1 through the first rotating shaft 9, the other end of the fixing block 8 is provided with a fixing buckle 10, and the fixing block 8 is fixedly connected with the fixing buckle 10; two sides of the fixing buckle 10 are respectively provided with a second groove 11, a first spring 12 and a locking pin 13 are arranged in the second groove 11, the cross section of the top end of the locking pin 13 is quadrilateral, the bottom end of the locking pin 13 is installed at the bottom of the second groove 11 through the first spring 12, a first stop block 14 is arranged at the outlet of the second groove 11, a second stop block 15 corresponding to the first stop block 14 is arranged on the side surface of the bottom end of the locking pin 13, and the top end of the locking pin 13 penetrates through the outlet of the second groove 11 and is arranged on the outer side; the fixed buckle 10 is internally provided with an unlocking frame 16 and a groove 34, the unlocking frame 16 is arranged in the fixed buckle 10 through the groove 34, the unlocking frame 16 is X-shaped, the unlocking frame 16 comprises a first unlocking frame 17 and a second unlocking frame 18, the middle of the first unlocking frame 17 is rotatably connected with the middle of the second unlocking frame 18, one end of the first unlocking frame 17 and one end of the second unlocking frame 18 are both provided with an unlocking block 19, one end of the first unlocking frame 17 and one end of the second unlocking frame 18 are arranged between a first stop block 14 and a second stop block 15 through the unlocking block 19, the upper end of the fixed buckle 10 is provided with a sliding groove 20, the other end of the first unlocking frame 17 and the second unlocking frame 18 is provided with a handle head 21, and the other end of the first unlocking frame 17 and the second unlocking frame 18 is arranged in the sliding groove 20 through the handle head 21.
As shown in fig. 1, 3 and 4, the locking device 7 includes a third groove 22, a second spring 23, a blocking piece 24 and a locking groove 25 are arranged in the third groove 22, the blocking piece 24 is fixedly connected with the bottom of the third groove 22 through the second spring 23, two ends of the blocking piece 24 are provided with limit blocks 35, a limit groove 36 corresponding to the limit block 35 is arranged on the third groove 22, the blocking piece 24 is installed in the third groove 22 through the limit block 35 and the limit groove 36 in a matched manner, a third stop block 37 is arranged at an outlet of the limit groove 36, and the limit groove 36 and the locking groove 25 are both located on the side surface of the third groove. As shown in fig. 5, the slide groove 36 and the stopper groove 25 are offset from each other. As shown in fig. 6, a second rotating shaft 26 is arranged at one end of the first heat-insulating sleeve 1, the first heat-insulating sleeve 1 is rotatably connected with the second heat-insulating sleeve 2 through the second rotating shaft 26, and inclined planes 27 are arranged at one end of the first heat-insulating sleeve 1 and one end of the second heat-insulating sleeve 2; the inner wall of insulation cover 1 and insulation cover 2 all is equipped with thermal expansion layer 28, the shape of the cross section on thermal expansion layer 28 is half circular, insulation cover 1, form cavity 29 between insulation cover 2 and the thermal expansion layer 28, be equipped with two slide rails 30 and a plurality of baffle 31 in the cavity 29, the shape of the cross section of baffle 31 is the arc, slide rail 30 installs on inclined plane 27, the both ends of baffle 31 are equipped with pulley 33, baffle 31 passes through pulley 33 to be installed between two slide rails 30, be equipped with insulation material 32 between two adjacent baffles 31.
During the use, open the insulation cover and install on the pipeline, the regulating block 3 on the insulation cover two 2 is according to the size of a dimension of pipeline, and boss 5 on the insulation cover one 1 is installed in recess one 4 of regulating block 3, then installs in recess three 22 through fixed knot 10, and stop pin 13 fixes in locking groove 25 under the effect of spring one 12, makes the insulation cover stabilize on the pipeline, and the installation is accomplished. The size of the insulating sleeve can be adjusted according to pipelines with different sizes, and the wide application range of the insulating sleeve is guaranteed. When the lock is disassembled, the locking pin 13 is moved out of the locking groove 25 only by sliding the handle 21 on the first unlocking frame 17 and the second unlocking frame 18, the retaining buckle 10 can be ejected out of the third groove 22 by the blocking piece 24 in the third groove 22 under the action of the second spring 23, and meanwhile, the blocking piece 24 plays a role in protecting the third groove 22 which is not used. When changing the size, the inclined plane 27 of insulation cover 1 and insulation cover 2 can make things convenient for insulation cover 1 and insulation cover 2 to rotate, and insulation material 32 between baffle 31 in the cavity 29 simultaneously can guarantee the heat insulating ability of junction, and insulation material 32's variety between a plurality of baffles 31 can be guaranteed, and the pulley 33 at baffle 31 both ends can conveniently be when changing the size the removal of baffle 31.
Claims (7)
1. The utility model provides a pipeline insulation cover, characterized by, includes insulation cover one (1) and insulation cover two (2), the one end of insulation cover one (1) is articulated with the one end of insulation cover two (2), the other end of insulation cover two (2) is equipped with regulating block (3), regulating block (3) articulated with insulation cover two (2), the lower terminal surface of regulating block (3) is equipped with a plurality of recess one (4), the other end of insulation cover one (1) is equipped with boss (5) that correspond with recess one (4), insulation cover one (1) on be equipped with fixing device (6), fixing device (6) articulated with insulation cover one (1), the up end of regulating block (3) is equipped with locking device (7) with fixing device (6) assorted.
2. The pipeline heat-insulating sleeve as claimed in claim 1, wherein the fixing device (6) comprises a fixing block (8), one end of the fixing block (8) is provided with a first rotating shaft (9), the fixing block (8) is rotatably connected with the first heat-insulating sleeve (1) through the first rotating shaft (9), the other end of the fixing block (8) is provided with a fixing buckle (10), and the fixing block (8) is fixedly connected with the fixing buckle (10).
3. The pipe thermal insulation sleeve according to claim 2, wherein two sides of the fixing buckle (10) are provided with a second groove (11), a first spring (12) and a locking pin (13) are arranged in the second groove (11), the cross section of the top end of the locking pin (13) is quadrilateral, the bottom end of the locking pin (13) is arranged at the bottom of the second groove (11) through the first spring (12), a first stop block (14) is arranged at the outlet of the second groove (11), a second stop block (15) corresponding to the first stop block (14) is arranged on the side surface of the bottom end of the locking pin (13), and the top end of the locking pin (13) passes through the outlet of the second groove (11) and is arranged at the outer side of the second groove (11).
4. The pipe thermal insulation sleeve as claimed in claim 3, wherein an unlocking frame (16) and a slot (34) are arranged in the fixing buckle (10), the unlocking frame (16) is arranged in the fixing buckle (10) through the slot (34), the unlocking frame (16) is X-shaped, the unlocking frame (16) comprises a first unlocking frame (17) and a second unlocking frame (18), the middle of the first unlocking frame (17) is rotatably connected with the middle of the second unlocking frame (18), one end of the first unlocking frame (17) and one end of the second unlocking frame (18) are both provided with an unlocking block (19), one end of the first unlocking frame (17) and one end of the second unlocking frame (18) are both arranged between the first stopper (14) and the second stopper (15) through the unlocking block (19), the upper end of the fixing buckle (10) is provided with a sliding slot (20), the other end of the second unlocking frame (18) of the first unlocking frame (17) is provided with a handle head (21), the other ends of the first unlocking frame (17) and the second unlocking frame (18) are installed in the sliding groove (20) through a handle head (21).
5. The pipe insulating jacket according to claim 1, wherein the locking device (7) comprises a third groove (22), a second spring (23), a blocking piece (24) and a locking groove (25) are arranged in the third groove (22), the baffle plate (24) is fixedly connected with the bottom of the groove III (22) through a spring II (23), two ends of the baffle plate (24) are provided with limit blocks (35), the third groove (22) is provided with limit grooves (36) corresponding to the limit blocks (35), the baffle plate (24) is matched with the limit groove (36) through a limit block (35) and is arranged in the third groove (22), the exit of spacing groove (36) is equipped with dog three (37), spacing groove (36) and locking groove (25) all be located the side of recess three (22), spout (36) stagger each other with the position of spacing groove (25).
6. The pipeline heat-insulating sleeve as claimed in claim 1, wherein a second rotating shaft (26) is arranged at one end of the first heat-insulating sleeve (1), the first heat-insulating sleeve (1) is rotatably connected with the second heat-insulating sleeve (2) through the second rotating shaft (26), and inclined planes (27) are arranged at one end of the first heat-insulating sleeve (1) and one end of the second heat-insulating sleeve (2).
7. The pipeline heat-insulating sleeve as claimed in claim 6, wherein the inner walls of the first heat-insulating sleeve (1) and the second heat-insulating sleeve (2) are provided with thermal expansion layers (28), the cross section of each thermal expansion layer (28) is in a semicircular shape, a cavity (29) is formed among the first heat-insulating sleeve (1), the second heat-insulating sleeve (2) and the thermal expansion layers (28), two sliding rails (30) and a plurality of baffles (31) are arranged in the cavity (29), the cross section of each baffle (31) is in an arc shape, the sliding rails (30) are arranged on the inclined plane (27), pulleys (33) are arranged at two ends of each baffle (31), each baffle (31) is arranged between two sliding rails (30) through the corresponding pulley (33), and the heat-insulating material (32) is arranged between two adjacent baffles (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056414.1A CN111188967A (en) | 2020-01-18 | 2020-01-18 | Pipeline insulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010056414.1A CN111188967A (en) | 2020-01-18 | 2020-01-18 | Pipeline insulation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188967A true CN111188967A (en) | 2020-05-22 |
Family
ID=70708336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010056414.1A Pending CN111188967A (en) | 2020-01-18 | 2020-01-18 | Pipeline insulation cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111188967A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266730A (en) * | 2021-06-21 | 2021-08-17 | 江苏金环科技有限公司 | Heat preservation device with compensation function |
| CN113830305A (en) * | 2021-09-30 | 2021-12-24 | 山东中图软件技术有限公司 | Unmanned aerial vehicle uses geographic information collection system |
-
2020
- 2020-01-18 CN CN202010056414.1A patent/CN111188967A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113266730A (en) * | 2021-06-21 | 2021-08-17 | 江苏金环科技有限公司 | Heat preservation device with compensation function |
| CN113830305A (en) * | 2021-09-30 | 2021-12-24 | 山东中图软件技术有限公司 | Unmanned aerial vehicle uses geographic information collection system |
| CN113830305B (en) * | 2021-09-30 | 2023-12-12 | 山东中图软件技术有限公司 | Unmanned aerial vehicle uses geographic information collection system |
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