CN209103601U - A kind of apparatus for demonstrating for construction engineering cost teaching - Google Patents
A kind of apparatus for demonstrating for construction engineering cost teaching Download PDFInfo
- Publication number
- CN209103601U CN209103601U CN201821825598.8U CN201821825598U CN209103601U CN 209103601 U CN209103601 U CN 209103601U CN 201821825598 U CN201821825598 U CN 201821825598U CN 209103601 U CN209103601 U CN 209103601U
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- CN
- China
- Prior art keywords
- positioning strip
- fixed
- top plate
- support
- pressing plate
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Abstract
The utility model discloses a kind of apparatus for demonstrating for construction engineering cost teaching, are related to construction engineering cost instructional technology field.It includes horizontally disposed top plate；Intubation is respectively fixed at left and right sides of top plate lower end；Cannula interior is plugged with support rod straight down；Support rod lower end is fixed with support；Support lower end front and rear sides pass through shaft respectively and are connected with supporting leg；Drawstring is provided with below support；It is connected between former and later two supporting legs by drawstring；It is evenly distributed with several sliding rails along the longitudinal direction on the left of top plate lower end；Sliding rail is arranged in left-right direction；Supporting block is slidably connected in sliding rail；Supporting block lower end is fixed with connecting rod straight down；Connecting rod lower end is provided with demonstration unit.The beneficial effects of the utility model are: it, which can facilitate, is switched fast demonstration to drawing, and removable, it is portable.
Description
Technical field
The utility model relates to construction engineering cost instructional technology fields.
Background technique
Construction engineering cost, which refers to, carries out the full payment that a certain engineering construction is spent, and core content is that investment is estimated
Calculation, estimation per design, amendment budgetary estimate, working drawing budget, Engineering Settlement, budget needed for the completion of projects etc., the main task of project cost has root
According to drawing, quota and bill code, flat cost, enterprise administration expense included in engineering, measure expense, set-fee, benefit are calculated
Profit and tax etc..
It is related to the demonstration of various drawings in teaching process, traditional method is that drawing is fixed on demonstration board, works as needs
It needs to change in original drawing when demonstrating remaining drawing, then retightens new drawing, waste instructional blocks of time, influence teaching effect
Fruit, there are larger defects；In addition, existing apparatus for demonstrating is there is also structure is complicated, problem inconvenient to carry.
Utility model content
Technical problem to be solved in the utility model is provided a kind of for building for above-mentioned technical deficiency
The apparatus for demonstrating for building project cost teaching, can facilitate and be switched fast demonstration to drawing, and is removable, portable.
The technical solution adopted in the utility model is: providing a kind of apparatus for demonstrating for construction engineering cost teaching, packet
Include horizontally disposed top plate；Intubation is respectively fixed at left and right sides of top plate lower end；Cannula interior is plugged with support straight down
Bar；Support rod lower end is fixed with support；Support lower end front and rear sides pass through shaft respectively and are connected with supporting leg；It is provided with below support
Drawstring；It is connected between former and later two supporting legs by drawstring；It is evenly distributed with several sliding rails along the longitudinal direction on the left of top plate lower end；It is sliding
Rail is arranged in left-right direction；Supporting block is slidably connected in sliding rail；Supporting block lower end is fixed with connecting rod straight down；Under connecting rod
End is provided with demonstration unit；
The demonstration unit includes the positioning strip along the setting of horizontal left and right directions；The cooperation of positioning strip lower end is provided with right and left
To through slot；The small end is fixedly connected with supporting block, and lower end and positioning strip upper center are rotatablely connected；Before positioning strip
End is provided with clamping device；Extension means are respectively arranged at left and right sides of positioning strip lower end；
The clamping device includes before being separately positioned on the pressing plate at left and right sides of positioning strip front end, being opened in positioning strip respectively
Hold the port of the left and right sides；Pressing plate is arranged in left-right direction；It is connect with positioning strip front end by shaft in the middle part of pressing plate；Pressing plate outer end
It is fixed with rubber press；Pressing plate inner end is provided with pressure spring；The rubber press passes through corresponding port；Pressure spring one end and positioning strip
Front end is fixed, and the other end is fixed with pressing plate inner end；
The extension means include the magnet block for being separately positioned on front and rear sides below positioning strip；Former and later two magnet blocks
Magnetic cooperation；It is connected by extension line between magnet block and positioning strip lower end.
The technical program is advanced optimized, along a left side on the right side of a kind of top plate of the apparatus for demonstrating for construction engineering cost teaching
Right direction is provided with slot；Across slot and mating along the vertical direction there is clipboard；Pass through between clipboard top and top plate
Positioning pin grafting is connected.
The technical program is advanced optimized, before a kind of positioning strip upper end of the apparatus for demonstrating for construction engineering cost teaching
Side and connecting rod lower front side are respectively and fixedly provided with block；Sliding sleeve is connected to positioning ring on connecting rod；Notch is provided on front side of positioning ring；Notch with
Two blocks are mating.
The utility model has the beneficial effects that:
1, drawstring can fix the angle being unfolded between supporting leg, and supporting leg is enable to carry out firm support to top plate；Intubation
With support rod grafting, the dismounting at top plate and support rod can be facilitated, it is convenient that the utility model is carried；It can in through slot
It is put into drawing, rubber press can be made to be fixed drawing by the elastic force effect of pressure spring；It, can by the effect of extension line
So that magnet block is in the position of drawing lower part, is acted in conjunction with the magnetic of front and back magnet block, drawing lower part can be clipped in magnet block
Between, to guarantee the extensibility of drawing when conveniently hanging drawing；Multiple demonstration units are set in the utility model, it can
Multiple drawings are disposably hung, in addition, supporting block is slided along sliding rail, the position of drawing can be changed, in conjunction with mounting bar and connecting rod
Rotary action, the drawing that demonstrate of needs can be switched fast.
2, clipboard can facilitate the writing that some writings on the blackboard are carried out when teaching, and clipboard passes through slot and passes through positioning pin
It fixes with top plate, also easily clipboard can be dismounted；Sliding sleeve is connected to positioning ring on connecting rod, is provided on front side of positioning ring
Notch, notch and two blocks are mating, can be consolidated the orientation of positioning strip by the restriction effect of notch and block
It is fixed, facilitate the demonstration of drawing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the local structural graph of utility model works state；
Fig. 3 is the decomposition texture schematic diagram of demonstration unit.
In figure, 1, top plate；2, it is intubated；3, support rod；4, support；5, supporting leg；6, drawstring；7, sliding rail；8, supporting block；9, even
Bar；10, positioning strip；11, through slot；12, pressing plate；13, port；14, rubber press；15, pressure spring；16, magnet block；17, extension line；
18, slot；19, clipboard；20, positioning pin；21, block；22, positioning ring；23, notch；24, drawing.
Specific embodiment
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
As shown in Figs. 1-2, a kind of apparatus for demonstrating for construction engineering cost teaching, including.Horizontally disposed top plate 1；
Intubation 2 is respectively fixed at left and right sides of 1 lower end of top plate；It is plugged with support rod 3 straight down inside intubation 2；3 lower end of support rod
It is fixed with support 4；4 lower end front and rear sides of support pass through shaft respectively and are connected with supporting leg 5；Drawstring 6 is provided with below support 4；Before
It is connected between latter two supporting leg 5 by drawstring 6；It is evenly distributed with several sliding rails 7 along the longitudinal direction on the left of 1 lower end of top plate；Sliding rail 7
It is arranged in left-right direction；Supporting block 8 is slidably connected in sliding rail 7；8 lower end of supporting block is fixed with connecting rod 9 straight down；Connecting rod
9 lower ends are provided with demonstration unit.
As shown in figure 3, the demonstration unit includes the positioning strip 10 along the setting of horizontal left and right directions；10 lower end of positioning strip
Cooperation is provided with the through slot 11 of left and right directions；9 upper end of connecting rod is fixedly connected with supporting block 8, lower end and 10 upper end of positioning strip
Middle part rotation connection；10 front end of positioning strip is provided with clamping device；Stretching machine is respectively arranged at left and right sides of 10 lower end of positioning strip
Structure；The clamping device includes being separately positioned on pressing plate 12 at left and right sides of 10 front end of positioning strip, being opened in positioning strip 10 respectively
Port 13 at left and right sides of front end；Pressing plate 12 is arranged in left-right direction；12 middle part of pressing plate is connected with 10 front end of positioning strip by shaft
It connects；12 outer end of pressing plate is fixed with rubber press 14；12 inner end of pressing plate is provided with pressure spring 15；The rubber press 14 passes through corresponding
Port 13；15 one end of pressure spring is fixed with 10 front end of positioning strip, and the other end is fixed with 12 inner end of pressing plate.
The extension means include the magnet block 16 for being separately positioned on 10 lower section front and rear sides of positioning strip；Former and later two magnetic
The cooperation of 16 magnetic of iron block；It is connected by extension line 17 between 10 lower end of magnet block 16 and positioning strip；1 right side of top plate is along right and left
To being provided with slot 18；Across slot 18 and mating along the vertical direction there is clipboard 19；Between 19 top of clipboard and top plate 1
It is connected by 20 grafting of positioning pin；On front side of 10 upper end of positioning strip and 9 lower front side of connecting rod is respectively and fixedly provided with block 21；It is sliding on connecting rod 9
It is dynamic to be socketed with positioning ring 22；Notch 23 is provided on front side of positioning ring 22；Notch 23 and two blocks 21 are mating.
The utility model is being the independent state removed using positions such as front top plate 1, support rod 3, clipboards 19, can
It is convenient for carrying, when carrying out teaching demonstration, each component also can be assembled rapidly, such as Fig. 1 of the state after being completed institute
Show, multiple drawings 24 can be separately fixed at each demonstration unit later.
When fixed drawing 24, it is necessary first to depress the position of 12 inner end of pressing plate, 24 upper end of drawing is put into through slot later
In 11, pressing plate 12 is unclamped again, is acted on by the elastic force of pressure spring 15, the rubber press 14 of the left and right sides can be by 24 upper bit of drawing
Compression is set, realizes the fixation to drawing 24；In the present embodiment, on positioning strip 10 two at pressing plate 12 at a distance of relatively close, a hand is
The pressing plate 12 of two sides can be depressed, facilitate operation；Since drawing 24 in storage, often store by stored collapsed or retracting,
Only 24 upper end of drawing, which is fixed from, shows the content of drawing 24 effectively, in order to solve this problem, this implementation
Extension means are provided in the left and right sides of drawing 24 respectively in example, is acted on, can be distinguished by the magnetic of corresponding magnet block 16
Position at left and right sides of 24 lower part of drawing is compressed, so that drawing 24 is able to maintain stretching, extension, the content on drawing 24 can be effective
It shows.
As shown in Fig. 2, multiple drawings 24 are fixed on respectively at different demonstration units in the present embodiment, when needing to show
When certain drawing 24, supporting block 8 is slided into 7 right side of sliding rail along sliding rail 7, and by the effect of positioning ring 22 by positioning strip 10
Position is fixed, which can be towards everybody, and remaining drawing 24 is then moved to 7 left side of sliding rail with demonstration unit, and will determine
Position item 10 turns to position in the front-back direction, to avoid impacting the drawing 24 shown.In addition, passing through supporting block
8 along sliding rail 7 rotation at connecting rod 9 of sliding, positioning strip 10, the drawing 24 that can be demonstrated needs is switched fast, mention
High efficiency of teaching, ensure that teaching efficiency.
Claims (3)
1. a kind of apparatus for demonstrating for construction engineering cost teaching, it is characterised in that: including horizontally disposed top plate；Under top plate
The end left and right sides is respectively fixed with intubation；Cannula interior is plugged with support rod straight down；Support rod lower end is fixed with support；
Support lower end front and rear sides pass through shaft respectively and are connected with supporting leg；Drawstring is provided with below support；Lead between former and later two supporting legs
Cross drawstring connection；It is evenly distributed with several sliding rails along the longitudinal direction on the left of top plate lower end；Sliding rail is arranged in left-right direction；In sliding rail
Slidably connect supporting block；Supporting block lower end is fixed with connecting rod straight down；Connecting rod lower end is provided with demonstration unit；It is described
Demonstration unit include along horizontal left and right directions setting positioning strip；Positioning strip lower end cooperates the through slot for being provided with left and right directions；Institute
The small end stated is fixedly connected with supporting block, and lower end and positioning strip upper center are rotatablely connected；Positioning strip front end is provided with folder
Hold mechanism；Extension means are respectively arranged at left and right sides of positioning strip lower end；
The clamping device includes being separately positioned on pressing plate at left and right sides of positioning strip front end, being opened in a positioning strip front end left side respectively
The port of right two sides；Pressing plate is arranged in left-right direction；It is connect with positioning strip front end by shaft in the middle part of pressing plate；Pressing plate outer end is fixed
There is rubber press；Pressing plate inner end is provided with pressure spring；The rubber press passes through corresponding port；Pressure spring one end and positioning strip front end
Fixed, the other end is fixed with pressing plate inner end；
The extension means include the magnet block for being separately positioned on front and rear sides below positioning strip；Former and later two magnet block magnetic
Cooperation；It is connected by extension line between magnet block and positioning strip lower end.
2. a kind of apparatus for demonstrating for construction engineering cost teaching according to claim 1, it is characterised in that: top plate is right
Lateral edge left and right directions is provided with slot；Across slot and mating along the vertical direction there is clipboard；Clipboard top and top plate it
Between by positioning pin grafting be connected.
3. a kind of apparatus for demonstrating for construction engineering cost teaching according to claim 1, it is characterised in that: positioning strip
On front side of upper end and connecting rod lower front side is respectively and fixedly provided with block；Sliding sleeve is connected to positioning ring on connecting rod；Notch is provided on front side of positioning ring；
Notch and two blocks are mating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821825598.8U CN209103601U (en) | 2018-11-06 | 2018-11-06 | A kind of apparatus for demonstrating for construction engineering cost teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821825598.8U CN209103601U (en) | 2018-11-06 | 2018-11-06 | A kind of apparatus for demonstrating for construction engineering cost teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209103601U true CN209103601U (en) | 2019-07-12 |
Family
ID=67158482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821825598.8U Expired - Fee Related CN209103601U (en) | 2018-11-06 | 2018-11-06 | A kind of apparatus for demonstrating for construction engineering cost teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209103601U (en) |
-
2018
- 2018-11-06 CN CN201821825598.8U patent/CN209103601U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201106 |