CN214510128U

CN214510128U - Auxiliary device for cost project budget and working platform for cost project budget

Info

Publication number: CN214510128U
Application number: CN202022983802.2U
Authority: CN
Inventors: 王秀丽; 王其波
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-10-29
Anticipated expiration: 2030-12-10

Abstract

The utility model relates to a facility technical field for the engineering cost especially relates to a cost engineering budget uses auxiliary device and cost engineering budget uses work platform. This auxiliary device for cost engineering budget includes: the drawing display and storage device comprises a transparent display screen and a storage box, one side of the top surface of the storage box, which is close to the transparent display screen, is open, and a spreading piece is arranged in the storage box and is used for spreading the cost budget drawing falling from the transparent display screen into the storage box; a support leg; is arranged at the bottom end of the supporting bedplate. The auxiliary device is convenient for placing, displaying and using the drawings, is also convenient for replacing and storing, is convenient for finding, avoids the trouble of stacking and turning over the drawings, ensures the smoothness and the neat surface of the drawings and is not easy to wear; the auxiliary device is used independently or together with the working table, so that the cleanness of the working table and the clarity of placing the cost budget appliance thereon are ensured, and the working efficiency is improved.

Description

Auxiliary device for cost project budget and working platform for cost project budget

Technical Field

The utility model relates to a facility technical field for the engineering cost especially relates to a cost engineering budget uses auxiliary device and cost engineering budget uses work platform.

Background

The project cost refers to the construction cost or construction price of the project predicted or actually paid in the construction period, and mainly comprises the steps of analyzing the execution condition of the construction diagram budget, analyzing each fund application condition, verifying whether the budget is close to the actual budget or not, controlling the cost, the gap and the reason, and providing a basis for improving the work later. The construction cost plays a key role in making an investment plan and controlling investment. In the process, a cost engineer needs to calculate and count a large amount of data and look over the cost budget drawing, so that the work load of the cost engineer is large in the whole working period.

When the cost project budget is carried out at present, cost engineers generally carry out on a larger working desktop, all working tools and drawings are placed in a gathering mode, even if the working tools and the drawings are classified regularly, the drawing cannot be easily viewed, searched and displayed in the working process, and more places in the drawings cannot be marked and recorded too many times. In order to facilitate independent placement of drawings, the drawings are placed independently after being rolled or a clamping plate or a clamp is arranged on a working desktop in the prior art, the rolled drawings are not beneficial to flattening after being tiled, and the rolled drawings are difficult to identify contents before being opened, so that the use is troublesome; and adopt splint or clip centre gripping, need accomodate the arrangement once more to the drawing under the replacement after changing the drawing, waste time and energy, the drawing is piled up and is still easy chaotic, brings very big inconvenience for work, above mode all makes the drawing directly expose, repetitious usage easily causes wearing and tearing, is difficult to satisfy the convenient demand in the cost engineer duty cycle, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides an auxiliary device for cost engineering budget and a working platform for cost engineering budget, wherein the auxiliary device is convenient for placing, displaying and using drawings, is also convenient for replacing and storing, is convenient for searching, avoids the trouble of stacking and turning over drawings, ensures the smoothness and neat surface of drawings, and is not easy to wear; this auxiliary device exclusive use or use together with table surface, the cost engineer of not only being convenient for carries out drawing analysis, calculation, accounting, has guaranteed table surface's clean and tidy and the clarity of placing the cost budget apparatus on it moreover, and it is nimble convenient to use, has improved work efficiency, has solved the problem that exists among the prior art.

The utility model discloses a solve one of the technical scheme that above-mentioned technical problem adopted and be:

an auxiliary device for cost-effective project budgeting, comprising:

the drawing display and storage device comprises a transparent display screen and a storage box arranged below the transparent display screen, one side, close to the transparent display screen, of the top surface of the storage box is open, a spreading piece is arranged in the storage box, and the spreading piece is used for spreading budget cost drawings falling from the transparent display screen into the storage box;

a support leg; is arranged at the bottom end of the supporting bedplate.

Furthermore, the spreading piece comprises a shaft rod arranged at the top of the inner side of the storage box, arc-shaped slideways gradually lifted along the height direction of the side wall of the storage box are arranged on the opposite side walls of the storage box corresponding to the two ends of the shaft rod, and the two ends of the shaft rod penetrate out of the side wall of the storage box through the two arc-shaped slideways; the bottom end of the side wall of the storage box below the arc-shaped slide way is provided with a first opening.

Furthermore, a sleeve is movably sleeved on the shaft lever in the containing box.

Furthermore, a notch is further arranged on the side wall of the storage box at the lower end of the arc-shaped slide way, and the notch is used for limiting the stability of the shaft rod at the lower end of the arc-shaped slide way. The arrangement of the arc-shaped slide way ensures that the shaft rod can slide down to the lower side of the arc-shaped slide way along the same trend after being used, and is convenient to use.

Furthermore, an open L-shaped opening is formed in one side, close to the transparent display screen, of the top surface of the storage box, and the shaft rod is arranged below the horizontal section of the L-shaped opening; first opening reduces the setting gradually along receiver lateral wall length direction.

Further, the length of the horizontal section of the L-shaped opening is larger than the thickness of the display screen.

Furthermore, the drawing display and storage device is horizontally and rotatably connected with the supporting bedplate through a rotating connecting piece; the rotary connecting piece comprises a rotating shaft which is rotatably connected with the supporting bedplate, the top end of the rotating shaft is connected with the transparent display screen through a connecting rod assembly, and the transparent display screen is hinged with the top end of the connecting rod assembly; one side of receiver links firmly with the pivot lateral wall.

Furthermore, the rotating shaft is arranged in the middle of one side of the supporting bedplate.

Further, a drawer storage chamber is provided within the support platen. Can be used for placing other budget appliances.

Furthermore, the drawing type storage cavity box is a drawer which is drawn and opened at one side of the supporting bedplate.

Furthermore, the connecting rod assembly comprises a support, a supporting connecting rod is fixedly connected to the top end of the support, and the top end of the supporting connecting rod is hinged to the bottom end of the transparent display screen; the bottom end of the support is fixedly connected with the top end of the rotating shaft.

Furthermore, the support connecting rod comprises a vertical rod, and two inclined rods which are symmetrically inclined are arranged on two sides of the vertical rod.

Further, transparent show screen includes a transparent screen panel, sets up the storage chamber that link up from top to bottom in transparent screen panel, the storage chamber is used for vertical tiling to place the cost budget and uses the drawing, articulates at transparent screen panel bottom and sets up a strip baffle.

Further, the length of the bar-shaped barrier is smaller than that of the transparent screen. A handle is fixedly connected to the left side of the strip-shaped baffle through a horizontal connecting rod. The strip-shaped baffle plate is convenient to open and close by swinging the handle. After the strip-shaped baffle is opened, the cost budget drawing in the transparent screen plate slides out from the bottom end of the storage cavity of the transparent screen plate to enter the L-shaped opening at the top of the storage box, and then the cost budget drawing can be received into the storage box through the spreading piece.

Furthermore, a cleaning eraser is arranged on the rear side of the transparent screen plate, and two ends of the cleaning eraser are fixedly sleeved on the rear side of the transparent screen plate through elastic ropes. The cleaning eraser is matched with the white board pen, and can clean marks made on the transparent screen board corresponding to the drawing in the working process. The transparent screen board is marked corresponding to the drawing, so that the method is more visual and convenient, and the cleanness of the surface of the cost budget drawing is ensured.

Further, the transparent screen board is a glass transparent screen board or a PVC transparent screen board.

Furthermore, the front side plate surface of the transparent screen plate is a glass plate with an amplifying function.

Further, the bottom end of the supporting leg is provided with a roller with a wheel brake. So set up, when this auxiliary device used alone, removal that can be nimble can cooperate the use with different table surfaces, or the show of drawing when being used for engineering cost budget discussion as the drawing show shelf.

Further, the landing leg is a lifting adjusting type landing leg. Through the height adjustment of the supporting legs, the supporting legs can be matched with the working tables with different heights for use according to the comfort requirement of use.

Further, the sleeve is sleeved on the outer side of each supporting leg, the sleeve of each supporting leg is fixedly connected through a connecting rod, the top end of each sleeve is fixedly connected with the bottom end of the supporting bedplate, a threaded fastener is arranged on the side wall of each sleeve, and the threaded fastener penetrates through a threaded hole formed in the side wall of each sleeve to be fixedly abutted against the side wall of each supporting leg.

Further, the height of receiver is turbine display screen height half at least. So set up, alright convenient spreading after cost budget drawing gets into the receiver.

The utility model adopts the second technical proposal that:

the working platform for the cost project budget adopts the auxiliary device for the cost project budget, and the auxiliary device for the cost project budget is fixedly connected or detachably connected with the left side of the working platform.

Furthermore, the working platform comprises a working platform surface connected with the right side of the supporting bedplate of the auxiliary device for cost engineering budget, the rear end of the working platform surface is provided with a multi-layer shelf, and the front side of the working platform surface is flush with the front side of the supporting bedplate.

Furthermore, a storage groove is further formed in the working platform of the working platform for cost engineering budget, and the storage groove is used for being matched with and storing computing tools for cost budgets such as a calculator and the like. The arrangement of the storage groove ensures the integral smoothness of the working table, avoids the falling of tools for cost budget, and is convenient and flexible to use.

Further, the drawing type storage cavity box in the supporting bedplate is a drawer which can be drawn and arranged on the front side of the supporting bedplate.

The utility model has the advantages that:

the utility model discloses a cost engineering budgets uses auxiliary device structural design scientific and reasonable, but the exclusive use or as the current work desktop of auxiliary device cooperation or make the work platform of the engineering cost budget work of being convenient for work of making. This auxiliary device is used for the show storage device of cost budget drawing through setting up, and the cost budget drawing of being convenient for is placed, is demonstrateed, is looked over and is used, also conveniently changes and accomodates, has avoided the cost budget drawing to pile up the trouble of turning over and seeing, and difficult damage cost budget drawing has guaranteed the clean and tidy and level of drawing, can suitably rotate the angle of this drawing show storage device's vertical direction and the angle of horizontal direction according to different workers' working habits. Through the setting of the piece of spreading in the containing box, in the use, can get into the cost budget drawing in the containing box to the whereabouts and spread, make its entering containing box of keeping flat, the worker need not to carry out special regulation to the cost budget drawing of using in, can quick replacement, place new drawing, the linking of the work of being convenient for. When this auxiliary device used alone, can show the paper storage device level and rotate 180, the surface that exposes the support platen uses as the desktop workstation, when this desktop workstation usable floor area was not enough, portable this auxiliary device cooperation outside work desktop was used. This auxiliary device exclusive use or use together with table surface, not only be convenient for cost engineer's calculation, accounting, drawing analysis, guaranteed table surface's clean and tidy moreover and place the clarity of cost budget apparatus on it, it is nimble convenient to use, has improved work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a rear view of the structure of FIG. 1;

FIG. 3 is a schematic front view of the structure of FIG. 1;

FIG. 4 is a schematic top view of the storage box of FIG. 3;

fig. 5 is a schematic structural view of a use state of embodiment 2 of the present invention;

fig. 6 is a schematic structural view of embodiment 3 of the present invention;

fig. 7 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 8 is a schematic structural view of embodiment 5 of the present invention;

fig. 9 is a schematic structural view of embodiment 6 of the present invention;

FIG. 10 is a schematic top view of the structure of FIG. 9;

fig. 11 is a schematic structural view of embodiment 7 of the present invention.

The multifunctional storage rack comprises a support bedplate 1, support legs 2, a transparent display screen 3, a storage box 4, a rotating shaft 5, a drawer 6, a support 7, a support connecting rod 8, a shaft rod 9, a sleeve 10, an arc slideway 11, a first opening 12, a L-shaped opening 13, a storage cavity 14, a strip baffle 15, a horizontal connecting rod 16, a handle 17, a clearing wiper 18, an elastic rope 19, a roller 20, a sleeve 21, a connecting rod 22, a fastening bolt 23, a working table 24, a storage rack 25 and a storage groove 26.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present invention is explained in detail below by means of specific embodiments and with reference to the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-5, the auxiliary device for cost engineering budget comprises a supporting bedplate 1 and supporting legs 2 for supporting the supporting bedplate, wherein the supporting legs are arranged at four corners of the bottom end of the supporting bedplate. Rotate on a supporting bench and connect a drawing show storage device, drawing show storage device includes transparent show screen 3 and locates receiver 4 of transparent show screen below, is close to the open setting in transparent show screen one side at the receiver top surface, sets up the piece of spreading in the receiver, the piece of spreading is used for will being spread to the storage box in by the budget cost drawing of transparent show screen whereabouts to the storage box in. The drawing display and storage device is rotationally connected with the supporting bedplate through a rotating shaft 5 arranged at the front part of the top surface of the supporting bedplate. The top end of the rotating shaft is connected with a transparent display screen 3 through a connecting rod assembly, and the transparent display screen is hinged with the top end of the connecting rod assembly; one side of receiver links firmly with the pivot lateral wall. The drawing storage cavity box is arranged in the support bedplate and can be used for placing other budget appliances. The drawing type storage cavity box is a drawing type opening and closing drawer 6 arranged on the left side or the right side of the supporting bedplate.

The connecting rod assembly comprises a support 7, a supporting connecting rod 8 is fixedly connected to the top end of the support, and the top end of the supporting connecting rod is hinged to the bottom end of the turbine display screen 3; the bottom end of the support 7 is fixedly connected with the top end of the rotating shaft. The supporting connecting rod comprises a vertical rod, and two inclined rods which are symmetrically inclined are arranged on two sides of the vertical rod.

The spreading member includes a shaft rod 9 disposed at the top of the inner side of the storage box 4, and a sleeve 10 is movably sleeved on the shaft rod in the storage box. Arc-shaped slideways 11 which are gradually lifted along the height direction of the side wall of the storage box are arranged on the opposite side walls of the storage box corresponding to the two ends of the shaft rod, and the two ends of the shaft rod respectively penetrate through the side wall of the storage box through the two arc-shaped slideways; the bottom end of the side wall of the storage box below the arc-shaped slide way is provided with a first opening 12. An open L-shaped opening 13 is formed in one side, close to the transparent display screen, of the top surface of the storage box, and the shaft rod is arranged below the horizontal section of the L-shaped opening; first opening reduces the setting gradually along receiver lateral wall length direction. The length of the horizontal section of the L-shaped opening is larger than the thickness of the display screen.

The transparent display screen 3 comprises a transparent screen board, wherein a storage cavity 14 which is through from top to bottom is formed in the transparent screen board, the storage cavity is used for vertically tiling and placing the cost budget drawing, and a strip-shaped baffle 15 is hinged to the bottom end of the transparent screen board. The length of the strip-shaped baffle is smaller than that of the transparent screen board, so that the strip-shaped baffle can be conveniently opened while the support of a construction cost budget drawing in the transparent display screen is not influenced. A handle 17 is fixedly connected to the left side of the strip-shaped baffle through a horizontal connecting rod 16. Through the swing of the handle, the strip-shaped baffle plate is convenient to open downwards and close upwards. After the strip-shaped baffle 15 is opened, the construction cost budget drawing in the transparent screen plate slides out from the bottom end of the transparent screen plate storage cavity 14 to enter the L-shaped opening at the top of the storage box, and then the upper part of the drawing gradually comes out from the storage cavity and is spread out to be stored in the storage box 4 through the spreading piece while the lower part of the construction cost budget drawing is fixed by an operator.

The transparent screen plate is a glass transparent screen plate, and the front side plate surface of the transparent screen plate is a glass plate with an amplifying function; therefore, the cost budget drawing placed in the storage cavity in the vertical spreading mode is clearer and is convenient to check.

The working principle is as follows: the construction cost budget drawing is vertically and downwards placed into the storage cavity 14 of the transparent display screen 3, and the stability of the placement of the construction cost budget drawing is guaranteed due to the support of the strip-shaped baffle 15 at the bottom end of the transparent display screen. The cost engineer can check, display and analyze the cost budget drawing through the transparent display screen, so that the problem that the cost budget drawing is directly laid on the occupied space of the desktop is avoided, and the abrasion and tearing of the drawing caused by repeatedly browsing the same cost budget drawing are avoided. When the next manufacturing cost budget drawing needs to be replaced, a user can enable the strip-shaped baffle 15 to rotate downwards by pulling the handle 17 off the fingers, the bottom end of the storage cavity 14 is opened, the used manufacturing cost budget drawing slides downwards and enters the storage box through the L-shaped opening in the top of the storage box 4 and is located on the rear side of the shaft rod 9, the user fixes the bottom of the manufacturing cost budget drawing through the first opening 12 in one side of the storage box by one hand to be attached to the front side wall of the storage box, the other hand holds the outer end of the shaft rod and enables the shaft rod to slide upwards along the arc-shaped slide rail 11, at the moment, part of the manufacturing cost budget drawing still located in the storage cavity 14 is gradually guided and spread into the storage box under the driving of the shaft rod, the user does not contact with the front side of the manufacturing cost budget drawing in the whole process, the manufacturing cost drawing still keeps the front side upwards after spreading, and collection and re-looking of the drawing in the later period are facilitated. After the cost budget drawing is spread out and enters the storage box, the user loosens the shaft rod, the shaft rod automatically slides back to the original position along the arc-shaped slide way, the user closes the strip-shaped baffle 15, and the new cost budget drawing is vertically placed into the turbine display screen 3. All the stored cost budget drawings can be taken out through the first opening position.

The user's accessible promotes the receiver, makes pivot 5 on the support platen 1 drive whole drawing show storage device and rotate 180, and at this moment, the top surface of support platen exposes, and the available support platen of user carries out the calculation accounting work of cost budget as the work desktop.

Example 2

As shown in fig. 6, the auxiliary device for cost estimation is similar to that of embodiment 1, except that a cleaning eraser 18 is further provided at the rear side of the transparent screen, and both ends of the cleaning eraser are fixedly sleeved at the rear side of the transparent screen via elastic cords 19. The cleaning eraser can be used in cooperation with the white board pen, when the white board pen marks the drawing on the front side of the transparent screen board correspondingly, the cleaning eraser can be pulled to clean the mark, and the cleaning eraser is elastically sleeved on the rear side of the transparent screen board, so that the display and the viewing of the construction cost budget drawing are not influenced, and the cleanness of the surface of the construction cost budget drawing is ensured.

Example 3

As shown in fig. 7, the construction cost budget assist device is similar to that of embodiment 1 except that a roller 20 of a pulley brake is provided at the bottom end of the leg 2. So set up, when this auxiliary device used alone, removal that can be nimble can cooperate the use with different table surfaces, or the show of drawing when being used for engineering cost budget discussion as the drawing show shelf.

Example 4

As shown in fig. 8, the construction cost budget assist device is the same as that of example 2, except that the outrigger 2 is a lift-adjustable outrigger. Through the height adjustment of the supporting legs, the supporting legs can be matched with the working tables with different heights for use according to the comfort requirement of use. Specifically, sleeves 21 are sleeved on the outer sides of the supporting legs, and the sleeves of the supporting legs are fixedly connected through connecting rods 22, so that the whole supporting bedplate 1 is convenient to stably adjust, and horizontal lifting is guaranteed. The top end of the sleeve is fixedly connected with the bottom end of the supporting bedplate, a fastening bolt 23 is arranged on the side wall of the sleeve, and the threaded fastener penetrates through a threaded hole formed in the side wall of the sleeve to be fixedly connected with the side wall of the supporting leg in an abutting mode.

Example 5

As shown in fig. 9 to 10, in the working platform for cost estimation, the auxiliary device for cost estimation according to embodiment 2 is used, the right side of the support platen 1 of the auxiliary device for cost estimation is fixedly connected to the left side of a work table 24, the multi-layer shelf 25 is provided at the rear end of the work table, and the front side of the work table is flush with the front side of the support platen. On the work table 25, storage grooves 26 are further provided for fitting respectively with computing tools for cost budget, such as a calculator. The arrangement of the storage groove ensures the integral smoothness of the working table, avoids the falling of tools for cost budget, and is convenient and flexible to use.

The drawer 6 which can be drawn and pulled is arranged at the front side in the supporting bedplate.

When the auxiliary device is used, the working table surface 25 is combined with the auxiliary device for cost project budget, the area of the working table surface is increased, a cost engineer can calculate and calculate analysis work through the working table surface, meanwhile, a cost budget drawing can be placed into the transparent display screen 3 of the auxiliary device, and the transparent display screen is horizontally inclined at a certain angle through moderate rotation of the rotating shaft, so that the transparent display screen is convenient to check, analyze and use. The storage groove on the working table surface is used for storing and placing the accounting appliance, so that the trouble of inconvenient searching in the working process is avoided while the accounting appliance is convenient to take.

Example 6

As shown in fig. 11, the working platform for cost budget is the same as the working platform of embodiment 5, except that the auxiliary device for cost budget is provided with a support leg which can be adjusted in a lifting manner, and the right side of the support platform plate 1 of the auxiliary device for cost budget is detachably connected to the left side of the working platform 24. Thus, the supporting bedplate and the working table of the auxiliary device can be assembled after the heights of the supporting bedplate and the working table are consistent. The assembly mode can be a clamping type assembly structure with common clamping blocks and clamping grooves.

The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. An auxiliary device for cost-effective construction budget, comprising:

a support leg; is arranged at the bottom end of the supporting bedplate.

2. The auxiliary device for cost engineering budget according to claim 1, wherein the spreading member includes a shaft rod disposed at the top of the inner side of the storage box, arc-shaped slideways gradually lifted along the height direction of the side wall of the storage box are disposed on the opposite side walls of the storage box corresponding to the two ends of the shaft rod, and the two ends of the shaft rod respectively penetrate through the side walls of the storage box through the two arc-shaped slideways; the bottom end of the side wall of the storage box below the arc-shaped slide way is provided with a first opening.

3. The auxiliary device for cost-effective project budget of claim 2, wherein an open L-shaped opening is provided on the top surface of the storage box near the transparent display screen; the shaft lever is arranged below the horizontal section of the L-shaped opening; first opening reduces the setting gradually along receiver lateral wall length direction.

4. The auxiliary device for cost-engineering budgeting of claim 3, wherein the length of the horizontal section of the L-shaped opening is greater than the thickness of the display screen.

5. The auxiliary device for cost engineering budgeting of claim 1, wherein the drawing display receiving device is horizontally and rotatably connected to the support platen via a rotary connection; the rotary connecting piece comprises a rotating shaft which is rotatably connected with the supporting bedplate, the top end of the rotating shaft is connected with the transparent display screen through a connecting rod assembly, and the transparent display screen is hinged with the top end of the connecting rod assembly; one side of receiver links firmly with the pivot lateral wall.

6. The auxiliary device for cost-effective project budget of claim 5, wherein the connecting rod assembly comprises a support, a supporting connecting rod is fixedly connected to the top end of the support, and the top end of the supporting connecting rod is hinged to the bottom end of the transparent display screen; the bottom end of the support is fixedly connected with the top end of the rotating shaft.

7. The auxiliary device for cost planning of construction according to claim 1, wherein the transparent display screen comprises a transparent screen board, a storage cavity which is through from top to bottom is arranged in the transparent screen board, the storage cavity is used for vertically laying the drawings for cost planning, and a strip-shaped baffle is hinged to the bottom end of the transparent screen board.

8. The auxiliary device for cost-effective construction budget according to claim 1, wherein a roller of a pulley brake is provided at a bottom end of the leg.

9. A working platform for cost-effective project budget, characterized in that an auxiliary device for cost-effective project budget according to any one of claims 1-6 is used, said auxiliary device for cost-effective project budget being fixedly or detachably connected to the left side of the working platform.

10. The work platform for cost budgeting according to claim 9, comprising a work table connected to a right side of the support platen of the auxiliary device for cost budgeting, wherein the rear end of the work table is provided with the multi-layered shelf, and a front side of the work table is flush with a front side of the support platen.