CN113040523A

CN113040523A - Engineering cost building budget rehearsal device

Info

Publication number: CN113040523A
Application number: CN202110286676.1A
Authority: CN
Inventors: 章小波
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-06-29
Anticipated expiration: 2041-03-17
Also published as: CN113040523B

Abstract

The invention discloses an engineering cost civil budget practicing device which comprises a fixed underframe, wherein brake universal wheels are fixedly arranged at four corners of the bottom end of the fixed underframe, notches are formed in the front side and the rear side of the upper end of the fixed underframe, mounting sliding grooves are formed in two sides of the bottom end inside each notch, mounting sliding blocks are slidably mounted on opposite sides inside the mounting sliding grooves, supporting push rods are mounted at the upper ends of the mounting sliding blocks on two sides, which penetrate through opposite sides of the mounting sliding grooves, through hinges, and a working plate is fixedly arranged at the upper end of the fixed underframe. When the placing plate is opened and works in a ninety-degree structure between the placing plate and the upper end of the working plate, the placing plate is pulled to move to one side far away from the placing opening by taking the mounting hinge as an axis, and the placing plate and the inside of the placing opening are all in the ninety-degree structure, so that data and manuscript paper used in calculation can be placed in a classified manner, and the situation that the placing is disordered and is inconvenient to find is prevented.

Description

Engineering cost building budget rehearsal device

Technical Field

The invention relates to the technical field of engineering cost, in particular to a device for practicing engineering cost and civil budget.

Background

At present, almost all projects require full-range budgets from beginning to completion, including the beginning budget, the project progress fund, the project completion settlement and the like, and no matter owners, construction units or third-party cost consulting organizations must have own core budgeting personnel;

the traditional engineering cost civil budget practicing device has the following defects;

at present, a device required by engineering cost in the calculation process not only occupies a large space and has single functionality, but also needs a lot of drawings and manuscripts in the calculation process of the engineering cost, and the manuscripts can not be collected in time when special conditions are met.

Disclosure of Invention

The present invention is directed to a device for practicing civil engineering cost budget to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a construction cost budget practicing device comprises a fixed chassis, wherein four corners at the bottom end of the fixed chassis are fixedly provided with brake universal wheels, notches are respectively arranged at the front side and the rear side of the upper end of the fixed chassis, mounting chutes are respectively arranged at two sides of the bottom end inside the notch, mounting sliders are respectively and slidably arranged at two opposite sides inside the mounting chutes, supporting push rods are respectively arranged at the upper ends of the mounting sliders, which penetrate through the opposite sides of the mounting chutes, through hinges, a working plate is fixedly arranged at the upper end of the fixed chassis, the supporting push rods at two sides are respectively and fixedly connected with the bottom end of the working plate through hinges at the end far away from the mounting sliders, pulling springs are respectively and fixedly arranged between one side of the mounting sliders and one side of the mounting chutes close to the brake universal wheels, the pulling springs are in a stretching state, the front ends at two sides inside the mounting chutes and the rear ends at two sides inside the mounting chutes, the installation slide block is provided with a limiting spring block at one end close to a limiting hole, the upper end of the working plate is fixedly provided with a placement plate, the front end and the rear end of the right side of the placement plate are fixedly connected with the right side of the upper end of the working plate through a rebound hinge, the front end and the rear end of the right side of the upper end of the working plate are provided with installation long grooves, the left side of the bottom end in each installation long groove is provided with a pushing chute, the left side in each pushing chute is provided with a pushing slide block in a sliding manner, a pushing spring is fixedly arranged between the right side of the pushing slide block and the inside of the pushing chute, the pushing springs are in a stretching state, the right side of the upper end of the pushing slide block penetrates through the pushing chute and is fixedly provided with a support rod through a hinge, the right side end of the support rod is fixedly connected with the right, fixed openings are formed in the middle of the bottom end of the pushing sliding block.

Preferably, the fixed chassis upper end middle part front side, rear side are all fixed and are provided with the dead lever, the installing port has all been seted up to the dead lever upper end, the inside bottom of installing port is all fixed and is provided with fixed spring, the fixed spring upper end is all fixed and is provided with the fixed spring piece, connecting hole has all been seted up on the left of the inside bottom of promotion spout.

Preferably, both sides the opposite one side middle part in fly leaf bottom all is fixed and is provided with the fixed block, place board upper end both sides and all seted up the notch at the relative position that is located the fixed block, place board upper end both sides and all seted up spacing spout in the one side that is located the notch, the equal slidable mounting in the one end that is close to the notch of spacing spout has spacing slider, spacing slider upper end all passes the fixed ejector pad that is provided with of spacing spout, spacing slider is all fixed being provided with the stopper in the one side that is close to the notch, spacing slider all fixes being provided with spacing spring between the one side of keeping away from the stopper and the spacing spout is inside, the connector has all been seted up between the inside one side of spacing spout and the notch is inside, the fixed block is all.

Preferably, the middle part of the left side of the working plate is provided with an installation notch, and a sand table is arranged in the installation notch.

Preferably, the limiting spring block is provided with a ball at one end far away from the mounting sliding block.

Preferably, a hasp fastener is fixedly arranged between the middle part of the left side of the working plate and the middle part of the left side of the placing plate.

Preferably, a writing board is fixedly arranged on the right side of the bottom end of the placing board.

Preferably, the left side of the bottom end of the placing plate is provided with a placing opening, and the two sides inside the placing opening are both fixedly provided with placing frame plates through mounting hinges.

Preferably, place the board bottom and all around fixedly be provided with the sealing strip, inside bottom of sealing strip all around with all fixedly be provided with the magnetic stripe all around the working plate upper end.

Preferably, the upper ends of the right sides of the fixed spring blocks are of inclined plane structures.

Compared with the prior art, the invention has the beneficial effects that:

1. when the invention needs to be used in the practicing device during calculation, the buckle is opened, the limiting spring block is pressed to be separated from the inside of the limiting hole, the mounting slide blocks on two sides are pulled to move towards the opposite side by pulling the spring, the supporting push rods on two sides are pushed to move towards the upper oblique side of the opposite side, the working plate is pushed to move upwards, the fixed spring block mounted at the upper end of the fixed rod is separated from the inside of the fixed opening arranged at the bottom end of the pushing slide block, when the pushing slide block loses the constraint force, the pushing slide block is driven to move towards the right side by the pushing spring in a stretching state, so that the supporting rod is pushed to move towards the upper right side, the placing plate is pushed to move towards the right side by taking the rebound hinge as the axis, and a structure of ninety degrees is formed between the upper end of the working plate, therefore, the whole device can be directly and quickly opened, when the device is not needed to be used for placement, the whole device is collected, so that the device is not occupied, and is convenient to move and operate;

2. when no calculation needs to be carried out to attend classes or place articles under special conditions, the placing plate is pushed to move towards the left side by taking the rebounding hinge as an axis, the pushing sliding block is pushed to move towards the left side by the supporting rod and is stretched by the pushing spring, after the placing plate is completely covered on the upper end of the working plate, the placing plate is fixed by pushing the hasp, different data and manuscripts can be placed at the upper end of the placing frame plate in different categories, and then the placing frame plate is collected into the placing opening, so that the placing frame plate can be directly found and does not need to be carried out again when being continuously used next time, and the calculating device can be used for placing articles or used as a desk;

3. when the table is used in an examination, the limiting slide block is pushed to move to one side far away from the notch through the push block in sequence, and the limiting block arranged on one side of the limiting slide block is separated from the inside of the limiting opening, so that the fixing block loses constraint force, the movable plate is driven to move upwards on one side close to the fixing block by taking the rebound hinge in a tightening state as an axis, the movable plate and the upper end of the placing plate are both in a ninety-degree structure, the movable plate plays a role in shielding to prevent cheating, the placing plate is more rapid and convenient to open due to the large area of the placing plate, and articles can be placed through a gap between the movable plates on two sides.

Drawings

FIG. 1 is a schematic view of the overall structure of a construction cost and budget practicing device according to the present invention;

FIG. 2 is a view showing a construction of an engineering cost civil budget practice apparatus according to the present invention after the entire apparatus is opened;

FIG. 3 is an enlarged structural view taken at A in FIG. 1 of a construction cost and civil budget practice apparatus of the invention;

FIG. 4 is a top view of a spring retainer and balls of the present invention;

FIG. 5 is an enlarged view of the construction shown at B in FIG. 1 in the construction cost civil budget practice apparatus of the invention;

FIG. 6 is an enlarged structural view at C in FIG. 1 of a construction cost and civil budget practice apparatus of the invention;

FIG. 7 is a view showing the configuration of the outside of a placement board in the engineering cost civil budget practice apparatus of the invention;

fig. 8 is an enlarged structural view at D in fig. 7 in the engineering cost civil budget practice apparatus of the invention.

In the figure: 1. fixing the underframe; 2. installing a chute; 3. pulling the spring; 4. a support push rod; 5. a working plate; 6. a sand table; 7. pushing the chute; 8. a push spring; 9. installing a long groove; 10. braking the universal wheel; 11. placing the plate; 12. a writing board; 13. a support bar; 14. placing the frame plate; 15. a movable plate; 16. a recess; 17. a placement port; 18. installing a sliding block; 19. a limiting hole; 20. a limiting spring block; 21. a ball bearing; 22. pushing the sliding block; 23. fixing the spring block; 24. a fixed port; 25. a connecting through hole; 26. fixing the rod; 27. an installation port; 28. fixing the spring; 29. a sealing strip; 30. a magnetic strip; 31. a limiting chute; 32. a limiting spring; 33. a limiting slide block; 34. a limiting block; 35. a fixed block; 36. a notch; 37. a limiting opening.

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.

Referring to fig. 1-8, the present invention provides a technical solution: a project cost budget practicing device comprises a fixed chassis 1, brake universal wheels 10 are fixedly arranged at four corners of the bottom end of the fixed chassis 1, notches 16 are respectively arranged at the front side and the rear side of the upper end of the fixed chassis 1, mounting chutes 2 are respectively arranged at two sides of the bottom end inside the notches 16, mounting sliders 18 are respectively and slidably mounted at opposite sides inside the mounting chutes 2, supporting push rods 4 are respectively mounted at the upper ends of the mounting sliders 18 at two sides through hinges at opposite sides of the mounting chutes 2, a working plate 5 is fixedly arranged at the upper end of the fixed chassis 1, the supporting push rods 4 at two sides are respectively and fixedly connected with the bottom end of the working plate 5 through hinges at one end far away from the mounting slider 18, pulling springs 3 are respectively and fixedly arranged between one side of the mounting slider 18 and one side of the mounting chute 2 close to the brake universal wheels 10, the pulling springs 3 are both in a stretching state, limiting holes 19 are respectively arranged at the front ends of two sides inside the mounting chute 2 at, the installation slide block 18 is provided with a limit spring block 20 at one end close to a limit hole 19, the upper end of the working plate 5 is fixedly provided with a placement plate 11, the front end and the rear end of the right side of the placement plate 11 are fixedly connected with the right side of the upper end of the working plate 5 through a rebound hinge, the front end and the rear end of the right side of the upper end of the working plate 5 are both provided with installation long grooves 9, the left side of the bottom end in the installation long grooves 9 is both provided with a push chute 7, the left side in the push chute 7 is slidably provided with a push slide block 22, a push spring 8 is fixedly arranged between the right side of the push slide block 22 and the inside of the push chute 7, the push spring 8 is in a stretching state, the right side of the upper end of the push slide block 22 is both passed through the push chute 7 and fixedly provided with a support rod 13 through a hinge, the right side end of the support rod 13 is both fixedly, the middle part of the bottom end of the pushing slide block 22 is provided with a fixed port 24.

The front side and the rear side of the middle part of the upper end of the fixed underframe 1 are both fixedly provided with fixed rods 26, the upper ends of the fixed rods 26 are both provided with mounting ports 27, the bottom ends inside the mounting ports 27 are both fixedly provided with fixed springs 28, the upper ends of the fixed springs 28 are both fixedly provided with fixed spring blocks 23, the left sides of the bottom ends inside the push chutes 7 are both provided with connecting through holes 25, thus when special conditions do not need to be calculated for class giving or article placing, the placing plate 11 is pressed to move to the left side by taking the rebound hinges as an axis, the push slide block 22 is pushed to move to the left side by the support rod 13 and is stretched by the push spring 8, after the placing plate 11 is completely covered on the upper end of the working plate 5, the placing plate is fixed by pressing a hasp, different data and manuscripts can be placed on the upper end of the placing frame plate 14 in different categories, and then the placing frame plate 14 is collected inside the placing ports 17, the user can directly find the product when the product is used continuously next time and the product is not carried out.

The middle part of the opposite side of the bottom end of the two side movable plates 15 is fixedly provided with a fixed block 35, the two sides of the upper end of the placing plate 11 are respectively provided with a notch 36 at the opposite position of the fixed block 35, the two sides of the upper end of the placing plate 11 are respectively provided with a limit sliding chute 31 at one side of the notch 36, a limit sliding block 33 is respectively arranged at one end of the limit sliding chute 31 close to the notch 36 in a sliding manner, the upper end of the limit sliding block 33 is respectively fixedly provided with a push block through the limit sliding chute 31, the limit sliding block 33 is respectively and fixedly provided with a limit block 34 at one side close to the notch 36, a limit spring 32 is respectively and fixedly arranged between one side of the limit sliding chute 31 and the inside of the notch 36, the fixed block 35 is respectively provided with a limit opening 37 at the opposite position of the notch 36, thus when the desk is used in an examination, the push block pushes, and make and install the stopper 34 and the inside separation of spacing mouth 37 in spacing slider 33 one side to make fixed block 35 lose the constraining force, then will be through being the resilience hinge that tightens up the state as the axle center, drive fly leaf 15 and up move in the one side that is close to fixed block 35, and all make fly leaf 15 and place and be ninety degrees structures between the board 11 upper end, and play the condition that the cheating appears in the effect of sheltering from through fly leaf 15, and because place board 11 area great like this more swift and convenient when opening, and can place the article through the space between the fly leaf 15 of both sides.

Installation notch and installation notch internally mounted have sand table 6 have been seted up at 5 left sides middle parts of working plate, are convenient for like this at the in-process of calculation, directly when needing to use sand table 6 inside pulling out the installation notch to use can be more convenient.

The ball 21 is installed at the one end of the limiting spring block 20 far away from the installation slide block 18, so that when the limiting spring block 20 is pressed to be separated from the limiting hole 19, the friction force generated when the installation slide block 18 and the limiting spring block 20 move in the installation slide groove 2 can be reduced through the ball 21.

5 left side middle parts of working plate and place and fixedly be provided with between 11 left side middle parts of board and take the hasp, place like this that board 11 presses when installing the working plate upper end and take the hasp to install fixedly can.

The writing board 12 is fixedly arranged on the right side of the bottom end of the placing board 11, so that the results and numbers of some calculations in the calculation process can be conveniently recorded, and the writing is more direct.

Place board 11 bottom left side and seted up and place mouthful 17, it all is provided with through the installation hinge is fixed to place mouthful 17 inside both sides and places frame plate 14, like this place board 11 open with the working plate 5 between be ninety degrees structure when working, use the installation hinge in proper order again as the axle center pulling place frame plate 14 toward keeping away from the one side removal of placing mouthful 17, and all make place frame plate 14 and place and be ninety degrees structure between mouthful 17 inside, and just can classify the data and the manuscript paper that use when calculating and place, prevent to place the chaotic condition of not being convenient for seeking.

Place board 11 bottom and all around fixedly being provided with sealing strip 29, sealing strip 29 inside bottom all around with 5 upper ends of working plate all fixedly be provided with magnetic stripe 30 all around, like this when installing board 11 to the upper end of working plate 5, will make sealing

strip

29 and 5 upper ends of working plate contact, and increase the leakproofness of sealing strip 29 in the course of the work through the inter attraction between the magnetic stripe 30, prevent that liquid water from producing the condition of ponding to the 5 upper ends of workstation.

The upper end of the right side of the fixed spring block 23 is of an inclined plane structure, so that when the sliding block 22 is pushed to move towards the left side, the sliding block 22 is pushed to be in inclined plane contact with the fixed spring block 23, the fixed spring block 23 is pushed to move downwards, and resistance of the sliding block 22 in moving is reduced.

The working principle is as follows: when the invention needs to be used in the whole device during calculation, the hasp is opened, the limiting spring block 20 is pressed to be separated from the inside of the limiting hole 19, when the mounting slide block 18 loses the restraining force, the mounting slide blocks 18 on two sides are pulled to move towards the opposite side by the pulling spring 3 in a stretching state, the supporting push rods 4 on two sides are pushed to move towards the obliquely upper side of the opposite side, the supporting push rod 4 and the upper end of the fixed underframe 1 are in a ninety-degree structure, the working plate 5 is pushed to move upwards by the supporting push rod 4, when the working plate 5 moves upwards, the fixed spring block 23 arranged at the upper end of the fixed rod 26 is separated from the inside of the fixed opening 24 arranged at the bottom end of the pushing slide block 22, and when the pushing slide block 22 loses the restraining force, the pushing slide block 22 is driven to move towards the right side by the pushing spring 8 in the stretching state, so that the supporting rod 13 arranged between the right side of the upper end of the pushing slide block 22 and the right side of, the supporting rod 13 is used for pushing the placing plate 11 to move towards the right side by taking the rebounding hinge as an axis, the placing plate 11 and the upper end of the working plate 5 are in a ninety-degree structure, and the integral device is directly opened, so that the integral device can be directly and quickly opened for use when needed, the efficiency of use is improved without excessive manual operation, and the use is more convenient, when the placing plate is not needed to be used, the integral device is collected, the occupied area is not occupied, the moving operation is not convenient, meanwhile, when the carrying plate is not needed to be used for class or placing articles under special conditions, the placing plate 11 and the rebounding hinge are used as axes to move towards the left side, the supporting rod 13 is used for pushing the pushing sliding block 22 to move towards the left side and are both stretched with the pushing spring 8, and when the placing plate 11 is completely covered on the upper end of the working plate 5, the placing plate is fixed by moving a locking buckle, different data and manuscript paper can be placed at the upper end of the placing frame plate 14 in a classified manner, then the placing frame plate 14 is collected into the placing opening 17, and can be directly found and not carried out when being used continuously next time, so that the device not only can be used for placing articles or used as a desk, when a desk is used in a required examination, the limiting slide block 33 is pushed to move to one side far away from the notch 36 through the push block in sequence, and the limiting block 34 arranged at one side of the limiting slide block 33 is separated from the inside of the limiting opening 37, so that the fixing block 35 loses the constraint force, the movable plate 15 is driven to move upwards at one side close to the fixing block 35 by taking the rebound hinge in a tightening state as an axis, the movable plate 15 and the upper end of the placing plate 11 are both in a ninety-degree structure, and the movable plate 15 plays a shielding role to prevent cheating, and is more convenient and fast when being opened due to the larger area of the placing plate 11, and articles can be placed through the gap between the two side moving plates 15.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an engineering cost civil budget rehearsal device, includes fixed chassis (1), its characterized in that: the brake universal wheel (10) is fixedly arranged at the four corners of the bottom of the fixed chassis (1), notches (16) are respectively arranged on the front side and the rear side of the upper end of the fixed chassis (1), mounting sliding grooves (2) are respectively arranged on the two sides of the bottom in the notches (16), mounting sliding blocks (18) are respectively slidably mounted on the two sides of the opposite side in the mounting sliding grooves (2), supporting push rods (4) are respectively mounted at the two sides of the upper ends of the mounting sliding blocks (18) which penetrate through the opposite side of the mounting sliding grooves (2) through hinges, a working plate (5) is fixedly arranged at the upper end of the fixed chassis (1), the supporting push rods (4) at the two sides are respectively fixedly connected with the bottom of the working plate (5) through hinges at the end far away from the mounting sliding blocks (18), and pulling springs (3) are respectively fixedly arranged between one side of the mounting sliding grooves (18) and one, the pulling springs (3) are all in a stretching state, the front ends of the two sides inside the mounting sliding chute (2) on the front side and the rear ends of the two sides inside the mounting sliding chute (2) on the rear side are respectively provided with a limiting hole (19), the mounting sliding block (18) is provided with a limiting spring block (20) at one end close to the limiting hole (19), the upper end of the working plate (5) is fixedly provided with a placing plate (11), the front end and the rear end of the right side of the placing plate (11) are respectively and fixedly connected with the right side of the upper end of the working plate (5) through a rebound hinge, the front end and the rear end of the right side of the upper end of the working plate (5) are respectively provided with a mounting elongated slot (9), the left side of the bottom inside the mounting elongated slot (9) is respectively provided with a pushing sliding chute (7), the left side inside of the pushing sliding chute (7) is respectively and slidably provided with a pushing sliding block (, promote spring (8) and all be tensile state, it all passes promotion spout (7) and is provided with bracing piece (13) through the hinge fixation to promote slider (22) upper end right side, bracing piece (13) right side end all through the hinge with place board (11) bottom middle part right side fixed connection, it all is the state of tightening up to place board (11) upper end middle part both sides through the fixed fly leaf (15) that is provided with of resilience hinge and resilience hinge, it all has seted up fixed mouthful (24) to promote slider (22) bottom middle part.

2. The construction cost civil budget exercise device according to claim 1, characterized in that: fixed chassis (1) upper end middle part front side, rear side are all fixed and are provided with dead lever (26), installing port (27) have all been seted up to dead lever (26) upper end, the inside bottom of installing port (27) is all fixed and is provided with fixed spring (28), fixed spring (28) upper end is all fixed and is provided with fixed spring piece (23), connect hole (25) have all been seted up on the left of the inside bottom of promotion spout (7).

3. The construction cost civil budget exercise device according to claim 1, characterized in that: the middle part of one side of the two sides opposite to the bottom end of the movable plate (15) is fixedly provided with a fixed block (35), the two sides of the upper end of the placing plate (11) are respectively provided with a notch (36) at the opposite position of the fixed block (35), the two sides of the upper end of the placing plate (11) are respectively provided with a limiting sliding groove (31) at one side of the notch (36), a limiting sliding block (33) is respectively and slidably arranged at one end close to the notch (36) in the limiting sliding groove (31), the upper end of the limiting sliding block (33) is respectively and fixedly provided with a push block through the limiting sliding groove (31), a limiting block (34) is respectively and fixedly arranged at one side close to the notch (36) of the limiting sliding block (33), a limiting spring (32) is respectively and fixedly arranged between one side far away from the limiting sliding block (34) and the inside of the limiting sliding groove (31), and a connecting port, the fixing blocks (35) are provided with limit openings (37) at the opposite positions of the notch (36).

4. The construction cost civil budget exercise device according to claim 2, characterized in that: the middle part of the left side of the working plate (5) is provided with an installation notch, and a sand table (6) is arranged in the installation notch.

5. The construction cost civil budget exercise device according to claim 1, characterized in that: and balls (21) are arranged at one end of the limiting spring block (20) far away from the mounting sliding block (18).

6. The construction cost civil budget exercise device according to claim 1, characterized in that: a hasp fastener is fixedly arranged between the middle part of the left side of the working plate (5) and the middle part of the left side of the placing plate (11).

7. The construction cost civil budget exercise device according to claim 1, characterized in that: a writing board (12) is fixedly arranged on the right side of the bottom end of the placing board (11).

8. The construction cost civil budget exercise device according to claim 1, characterized in that: place board (11) bottom left side and seted up and place mouth (17), place the inside both sides of mouth (17) and all be provided with through the installation hinge fixation and place frame plate (14).

9. The construction cost civil budget exercise device according to claim 1, characterized in that: the bottom end of the placing plate (11) is fixedly provided with sealing strips (29) all around, and the bottom end of the inside of the sealing strips (29) and the upper end of the working plate (5) are fixedly provided with magnetic stripes (30) all around.

10. The construction cost civil budget exercise device according to claim 2, characterized in that: the upper ends of the right sides of the fixed spring blocks (23) are all in an inclined plane structure.