CN108839480A - A kind of construction of the highway plotting board - Google Patents

Abstract

The present invention relates to a kind of construction of the highway plotting board, the current construction of the highway plotting board inconvenient problem with use of effective solution；The technical solution of solution includes plate, plate lower surface is equipped with two the first sliding rails along the longitudinal direction, the first sliding block is installed on every first sliding rail, first tension spring is respectively connected between each first sliding block and the rear end of the first sliding rail, second sliding rail is connected between two the first sliding blocks, there are two the second sliding blocks for installation on second sliding rail, one the first pressure spring is installed between the outside of each second sliding block and the end of the second sliding rail, a connecting rod in the front-back direction is mounted on each second sliding block, the front end of each connecting rod is equipped with an arc panel and the nock of two arc panels is opposite, a lanyard is connected on the trailing flank of plate；The present invention provides good workbench for mapping operations, it is ensured that mapping operations are gone on smoothly, easy to use effective, practical.

Description

A kind of construction of the highway plotting board

Technical field

The present invention relates to construction of the highway clothing arts, specifically a kind of construction of the highway plotting board.

Background technique

Construction of the highway surveyor is at work, it is often necessary to carry out the drafting and calculating of drawing, however not have at mapping scene There is the workbench that can be used for surveying and drawing, surveyor often carries a plotting board and is used for laying paper, however does not have on highway The device for placing or supporting plate, with sound carrying Holder, platform is heavy again, and surveyor often leans on plotting board side physically, and one Hand steered firmly plotting board carries out, and then paper is layered on plotting board and is performed with one hand mapping, very inconvenient, and the time has grown appearance Easy arm is ached, and traditional plotting board does not fix device to paper, it has not been convenient to use when being surveyed and drawn.

Therefore, design is only a urgent problem needed to be solved with the plotting board used that is conveniently fixed conveniently.

Summary of the invention

For above situation, for the defect for overcoming the prior art, the present invention provides a kind of construction of the highway plotting boards, effectively Solve current construction of the highway plotting board inconvenient problem with use.

A kind of construction of the highway plotting board, including plate, plate lower surface are equipped with two the first sliding rails along the longitudinal direction, Two the first sliding rails are parallel to each other and about the center line of plate bilateral symmetries, and being equipped with one on every first sliding rail can be along it First sliding block of sliding, is respectively connected with first tension spring between each first sliding block and the rear end of the first sliding rail；Each first A fixture block is mounted on plate on the outside of sliding rail, two fixture blocks are close to the front end of the first sliding rail and can horizontally slip, Fixture block, which moves inward its inner end, can stop the first sliding block to slide backward；One is connected between two the first sliding blocks in left-right direction The second sliding rail, there are two the second sliding block that can be slid along, the outsides and second of each second sliding block for installation on the second sliding rail One the first pressure spring is installed between the end of sliding rail；A connecting rod in the front-back direction is mounted on each second sliding block, The front end of each connecting rod is equipped with an arc panel and the nock of two arc panels is opposite；One is connected on the trailing flank of plate A lanyard.

Preferably, multiple movable blocks are evenly equipped with along its cambered surface in the nock of each arc panel, each movable block with Second pressure spring is respectively connected between on the inside of arc panel.

Preferably, there are two the compression bar that front and back is arranged side by side, the pressures of front side for the rear side installation of the upper surface of the plate The left end of bar is hinged on plate and can be around hinge joint in plate rotation in surface, and the right end of the compression bar of front side is upturned, rear side Compression bar can be around its right end in plate rotation in surface and its left end is upturned, and the compression bar of rear side can move left and right.

Preferably, the lateral sliding slot being provided on the plate below the compression bar that one is located at rear side, the interior installation of sliding slot There is the third sliding block that can be horizontally slipped, the right end of the compression bar of rear side is hinged on sliding block.

Preferably, it is set below the plate there are two guide sleeve, two fixture blocks are threaded through in guide sleeve respectively, each card Second tension spring is mounted between the outer end and guide sleeve of block, the trailing flank of fixture block inner end is smooth curved surface, and first is sliding Block can cross fixture block from back to front.

The present invention provides good workbench for mapping operations, it is ensured that mapping operations are gone on smoothly, user Just effectively, practical.

Detailed description of the invention

Fig. 1 is bottom view when arc panel of the present invention is packed up.

Fig. 2 is bottom view when arc panel of the present invention is stretched out and opened.

Fig. 3 is main view of the present invention.

Fig. 4 is part A enlarged drawing in Fig. 2.

Fig. 5 is the front sectional view at sliding slot.

Specific embodiment

For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to figures 1 through Fig. 5 pairs In the detailed description of embodiment, can clearly it present.The structure content being previously mentioned in following embodiment is attached with specification Figure is reference.

Each exemplary embodiment of the invention is described below with reference to accompanying drawings.

Embodiment one, a kind of construction of the highway mapping version, including plate 1,1 lower surface of plate are equipped with two along the longitudinal direction The first sliding rail 2, two the first sliding rails 2 are parallel to each other and about the center line of plate 1 bilateral symmetries, on every first sliding rail 2 One the first sliding block 3 that can be slid along is installed, is respectively connected with one between each first sliding block 3 and the rear end of the first sliding rail 2 A first tension spring 4；It is mounted on a fixture block 5 on the plate 1 in each first sliding rail, 2 outside, it is sliding that two fixture blocks 5 are close to first It the front end of rail 2 and can horizontally slip, fixture block 5, which moves inward its inner end, can stop the first sliding block 3 to slide backward；Two first cunnings Second sliding rail 6 in left-right direction is connected between block 3, there are two can slide along second for installation on the second sliding rail 6 Sliding block 7 is equipped with first pressure spring 8 between the outside of each second sliding block 7 and the end of the second sliding rail 6；Each second is sliding Connecting rod 9 in the front-back direction are mounted on block 7, the front end of each connecting rod 9 is equipped with an arc panel 10 and two The nock of arc panel 10 is opposite；A lanyard 11 is connected on the trailing flank of plate 1.

Embodiment two is evenly equipped in the nock of each arc panel 10 along its cambered surface on the basis of example 1 Multiple movable blocks 12, each movable block 12 and arc panel are respectively connected with second pressure spring 13 between 10 inside.

Embodiment three, on the basis of example 1, there are two front and backs for the installation of the rear side of the upper surface of the plate 1 simultaneously Arrange the compression bar 14 set, the left end of the compression bar 14 of front side be hinged on plate 1 and can around hinge joint in plate rotation in surface, front side The right end of compression bar 14 is upturned, and the compression bar 14 of rear side can be around its right end in plate rotation in surface and its left end is upturned, rear side Compression bar 14 can move left and right.

Example IV is provided with 14 lower section of compression bar for being located at rear side on the basis of embodiment three on the plate 1 Lateral sliding slot 15, the third sliding block 16 that can be horizontally slipped, the right end hinge of the compression bar 14 of rear side are installed in sliding slot 15 It connects on sliding block.

Embodiment five is set below the plate 1 there are two guide sleeve 17, two fixture blocks 5 on the basis of example 1 It is threaded through in guide sleeve 17 respectively, second tension spring 18, fixture block is mounted between the outer end and guide sleeve 17 of each fixture block 5 The trailing flank of 5 inner ends is smooth curved surface, and the first sliding block 3 can cross fixture block 5 from back to front.

When specifically used, maintain an equal level the present invention plate 1 on the other hand first, and the middle part for holding the second sliding rail 6 on the other hand is pulled along, makes Two the first sliding blocks 3 overcome the pulling force forward slip of the first tension spring 4, due to fixture block 5 trailing flank be smooth curved surface, two A fixture block 5 cannot be hindered when two 3 forward slips of the first sliding block can unclamp second when two the first sliding blocks 3 cross fixture block 5 Sliding rail 6, two the first sliding blocks 3 cannot be moved by the blocking of two fixture blocks 5 backward respectively at this time, thus make two connecting rods 9 and Arc panel 10 stretches out outside plate 1, at this time hangs on the neck of mapping person the lanyard 11 of 1 rear side of plate, then pulls out two A connecting rod 9 so that the effect for making two the second sliding blocks 7 overcome first pressure spring 8 in outside moves out, open by two arc panels 10 It opens, then two arc panels 10 is stuck in the body two sides of the hips of mapping person, two under the action of two the first pressure spring 8 The inside clamping of a arc panel 10, the movable block 12 of the inside of arc panel 10 can adapt to the body contour of mapping person automatically, but and it is slow Punching effect, avoids the direct clamping body of arc panel 10 from causing discomfort；Under the action of lanyard 11 and arc panel 10, plate 1 is stablized It is maintained at horizontal position, the both hands that solution releases mapping person are used for mapping operations.

After the card of plate 1 is put well, required paper is laid on plate 1, rotates the compression bar 14 of front side, compression bar 14 is around its left end Hinge joint rotation, the tilting of this 14 right end of compression bar can make to be pressed on paper in 14 rotation process of compression bar, compression bar 14 turned to vertically Position, this compression bar 14 are pushed down on the left of paper, and then, sliding third sliding block 16 is rotated further by rear side to close to paper right positions Compression bar 14 to vertical position, push down the right side of paper and survey to which paper tiling to be fixed on plate 1 for mapping person by this compression bar 14 It draws.

After the completion of mapping, two compression bars 14, which are turned to lateral position, can remove paper, then pull out two companies Extension bar 9 removes arc panel 10 from loins, and two the second sliding blocks 7 slid inward under the action of two the first pressure spring 8 drives two A 10 slid inward of arc panel is packed up, and then pulls out two fixture blocks 5 simultaneously, and fixture block 5 unclamps the first sliding block 3, and two first Sliding block 3 slides backward under the action of the first tension spring 4 drives the second sliding rail 6 and connecting rod 9, and arc panel 10 inwardly receive extremely by interaction 1 lower section of plate, present apparatus folding and unfolding are completed.

The present invention has the advantages that significant：Plate 1 is stuck in by first choice, the present invention by the effect of arc panel 10 and lanyard 11 Waist keeps horizontality, is not required to be held with hand steered, and liberation mapping person's both hands are used for mapping operations, using more convenient, while plate 1 It keeps stablizing the accuracy for being conducive to mapping；It is used to fix paper moreover, the present invention is provided with two compression bars 14 on plate 1, It is laid in paper on plate 1, and one of compression bar 14 can adapt to all size according to the width adjustment position of paper Paper provides good workbench for mapping, guarantees going on smoothly for mapping operations；In addition, mapping is completed from body Fixture block 5 only need to be pulled after removing plate 1, the present apparatus can pack up automatically, fast and easy.

To sum up, the present invention provides good workbench for mapping operations, it is ensured that going on smoothly for mapping operations makes It is practical with easily and effectively.

Claims (5)

1. a kind of construction of the highway plotting board, including plate（1）, which is characterized in that plate（1）Lower surface is equipped with two along front and back First sliding rail in direction（2）, two the first sliding rails（2）It is parallel to each other and about plate（1）Center line bilateral symmetry, every the One sliding rail（2）On first sliding block that can be slid along is installed（3）, each first sliding block（3）With the first sliding rail（2）After First tension spring is respectively connected between end（4）；Each first sliding rail（2）The plate in outside（1）On be mounted on a fixture block （5）, two fixture blocks（5）It is close to the first sliding rail（2）Front end and can horizontally slip, fixture block（5）Moving inward its inner end can Stop the first sliding block（3）It slides backward；Two the first sliding blocks（3）Between be connected with second sliding rail in left-right direction（6）, Second sliding rail（6）There are two the second sliding blocks that can be slid along for upper installation（7）, each second sliding block（7）Outside and second sliding Rail（6）End between first pressure spring is installed（8）；Each second sliding block（7）On be mounted on one in the front-back direction Connecting rod（9）, each connecting rod（9）Front end one arc panel is installed（10）And two arc panels（10）Nock it is opposite； Plate（1）Trailing flank on be connected with a lanyard（11）.

2. a kind of construction of the highway plotting board according to claim 1, which is characterized in that each arc panel（10）'s Multiple movable blocks are evenly equipped with along its cambered surface in nock（12）, each movable block（12）With arc panel（10）It is respectively connected between inside One the second pressure spring（13）.

3. a kind of construction of the highway plotting board according to claim 1, which is characterized in that the plate（1）Upper surface The compression bar that is arranged side by side there are two front and back of rear side installation（14）, the compression bar of front side（14）Left end be hinged on plate（1）It is upper and It can be around hinge joint in plate rotation in surface, the compression bar of front side（14）Right end be upturned, the compression bar of rear side（14）It can be around its right end In plate rotation in surface and its left end is upturned, the compression bar of rear side（14）It can move left and right.

4. a kind of construction of the highway plotting board according to claim 3, which is characterized in that the plate（1）On be provided with one A compression bar positioned at rear side（14）The lateral sliding slot of lower section（15）, sliding slot（15）One third that can be horizontally slipped inside is installed Sliding block（16）, the compression bar of rear side（14）Right end be hinged on sliding block.

5. a kind of construction of the highway plotting board according to claim 1, which is characterized in that the plate（1）Lower section is equipped with Two guide sleeves（17）, two fixture blocks（5）It is threaded through guide sleeve respectively（17）It is interior, each fixture block（5）Outer end and guide sleeve （17）Between be mounted on second tension spring（18）, fixture block（5）The trailing flank of inner end is smooth curved surface, the first sliding block（3） Fixture block can be crossed from back to front（5）.