CN219798348U - Engineering cost dipperstick - Google Patents

Abstract

The utility model relates to the technical field of engineering cost, in particular to an engineering cost measuring ruler which comprises a measuring ruler body and a counting shaft, wherein an adjusting hole is formed in the right side of the measuring ruler body; the upper side and the lower side of the regulating hole are respectively provided with a slide rail, and the inside of each slide rail is provided with a slide block; the marking rod is arranged between the slideway and the sliding block through an elastic pressing component, and a sponge plate filled with color is arranged at the rear side of the adjusting hole; and the locating lever, the left side of dipperstick body is equipped with the observation hole to inside longitudinal connection of observation hole the locating lever, and the locating lever with the first scale on the dipperstick body vertically aligns, and this engineering cost dipperstick, when using, whole convenient operation need not extra record, has avoided simultaneously because of forgetting the factor that leads to measurement error, improves engineering measurement efficiency.

Description

Engineering cost dipperstick

Technical Field

The utility model relates to the technical field of engineering cost, in particular to an engineering cost measuring ruler.

Background

It is well known that the construction cost of a project is the construction cost of the project, and the three elements of the construction cost are quantity, price and fee. The 'quantity' is used as the primary work of engineering cost, a cost engineer needs to actually measure to obtain a series of data, a measuring ruler is an indispensable tool, nowadays, along with the development of the building industry, people pay more and more attention to saving building cost materials, and the best material usage amount is calculated by measuring and planning in advance so as to reduce the waste of the materials and further achieve the effect of reducing the engineering cost, so that the use of the traditional measuring ruler is more and more important, the traditional measuring ruler is generally measured by adopting a straight ruler, the length of the measuring ruler is not too long for convenient carrying, and if the length of an object to be measured is longer, the measuring ruler needs to be used for multiple times so as to be convenient for measuring the length of the object to be measured;

in the measuring process, the cost engineer remembers the measuring times so as to multiply the measuring range of the measuring rule to obtain the length of the measured object, but sometimes the measured object may have longer length, so that the frequency of the measuring rule is high, the cost engineer can easily forget the measured times and the measured positions when measuring, the accuracy of the measuring result cannot be ensured, the cost engineer needs to measure again, the workload is increased and the measuring efficiency is reduced, the two hands of the cost engineer are occupied if the measuring mode of counting by a pen is adopted, and the measuring process is inconvenient, so that the measuring rule capable of recording the measuring times and the measuring positions is needed for solving the problems of the existing measuring rule, so that the measuring requirement of the cost engineer in engineering cost operation is met, the measuring accuracy is improved, and the measuring workload is reduced.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a construction cost measuring ruler, which aims to solve the problem that the measuring frequency and the measuring position are easy to forget when the measuring ruler is used for measuring a longer object for multiple times in the background technology.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a engineering cost dipperstick, includes the dipperstick body, still includes:

the counting shaft is rotatably arranged in the adjusting hole, and a digital mark is circumferentially arranged on the counting shaft;

the upper side and the lower side of the regulating hole are respectively provided with a slide way, the inside of each slide way is respectively provided with a slide block, the two ends of the counting shaft are respectively and rotatably arranged in the two slide blocks, and the limiter is arranged between the counting shaft and the slide blocks and used for limiting the position of the counting shaft after each time of rotation;

the marking rod is arranged between the slideway and the sliding block through an elastic pressing component, a sponge plate filled with color is arranged at the rear side of the adjusting hole, and the marking rod is longitudinally aligned with the last scale on the measuring ruler body; and

the left side of dipperstick body is equipped with the observation hole to inside longitudinal connection of observation hole the locating lever, and the locating lever with the first scale on the dipperstick body is vertically aligned.

Further, the stopper includes:

the counting shafts are polygonal in shape, polygonal limiting shafts are connected to two ends of the counting shafts, and the number of the limiting plates is consistent with the number of the side edges of the counting shafts and the number of the side edges of the limiting shafts;

the limiting holes are formed in the opposite sides of the two sliding blocks, the limiting holes are polygonal, and the number of the inner side walls of the limiting holes is consistent with that of the side edges of the counting shaft; and

the limiting plates are arranged inside the limiting holes in a polygonal mode, each limiting plate corresponds to one inner side wall of each limiting hole, and the elastic supporting pieces are connected between each limiting plate and one corresponding inner side wall of each polygon.

Still further, the elastic support includes:

a sleeve shaft;

the sleeve is sleeved outside the sleeve shaft and is in sliding fit with the sleeve shaft;

the first spring is sleeved outside the sleeve shaft and the sleeve, and is used for generating corresponding abutting force when the sleeve shaft and the sleeve stretch;

the free end of the sleeve is arranged on the inner wall of the limiting hole, and the free end of the sleeve shaft is arranged on the side wall of the limiting plate.

On the basis of the foregoing aspect, preferably, the elastic pressing assembly includes:

the number of the pressing plates is two, and the two pressing plates are respectively arranged at the rear side of the sliding block;

the second spring is arranged at two sides of the pressing plate, and the other end of the second spring is connected with the inner side wall of the slideway;

the two ends of the U-shaped rod are respectively connected with the rear ends of the two pressing plates, and the marking rod is connected with the rear end of the U-shaped rod.

On the basis of the scheme, the scale positioning device further comprises a scale positioning display, and the scale positioning limiter comprises:

the measuring ruler comprises a measuring ruler body, a moving block and a driving mechanism, wherein the measuring ruler body is provided with a strip-shaped chute along the length of the measuring ruler body, and the moving block is arranged in the strip-shaped chute in a sliding manner;

the adjusting piece is arranged between the moving block and the measuring ruler body and is used for adjusting the position of the moving block and keeping the adjusted position stable;

the indicating needle is arranged outside the moving block, and the top of the indicating needle points to the scale position on the measuring ruler body;

the magnifying glass is arranged on the indicating needle, the position of the magnifying glass is positioned on the front side of the digital scale on the measuring scale body and used for magnifying the digital scale on the measuring scale body, and the position of the scale is convenient for a manufacturing cost engineer to observe when the measuring scale is used.

In addition, as a preferable embodiment of the present utility model, the adjusting member includes:

the screw rod penetrates through the moving block and is in threaded connection with the moving block, and one end of the screw rod is in rotary connection with the side wall of the strip-shaped sliding groove;

the gear set is rotatably arranged in the transmission cavity, the number of gears in the gear set is at least three, and the three gears are sequentially meshed;

the gear at the uppermost side is concentric with and fixedly connected with the other end of the screw rod;

the lower side of the measuring ruler body is also provided with an adjusting cavity, one side of the adjusting cavity is communicated with the transmission cavity, the adjusting shaft is rotatably arranged in the adjusting cavity, and one end of the adjusting shaft is concentric with and fixedly connected with a gear positioned at the lowest side in the gear set;

the rotary knob is characterized in that an adjusting groove is formed in the other side of the adjusting cavity, a first bevel gear is connected to the other end of the adjusting shaft, the rotary knob is rotatably arranged at the front part of the adjusting groove, a second bevel gear is connected to the rear end of the rotary knob, and the second bevel gear is also located in the adjusting groove and meshed with the first bevel gear.

In order to facilitate holding of the measuring rule body, the lower side of the measuring rule body is also provided with a handle groove, so that an engineer can conveniently take the measuring rule body when using the measuring rule.

(III) beneficial effects

Compared with the prior art, the utility model provides a construction cost measuring ruler, which has the following beneficial effects:

1. when a longer object is measured, the measuring rule body is used once, the counting shaft is rotated once, so that the number on the counting shaft corresponds to the corresponding measuring times, the position of the counting shaft after rotation is limited by the limiter, the digital record after each measurement is ensured to be stable and not to change randomly, and the counting shaft passes through the marking rod;

2. according to the engineering cost measuring ruler, under the action of the elastic pressing component, the marking rod is pressed backwards, the marking rod pushes the sponge plate to move backwards, the color on the sponge plate is printed on a measured object, then when the measuring ruler body is reused, the positioning rod is aligned with the marked position of the marking rod through the observation hole, then the counting shaft is rotated once again, the marking rod is pressed downwards, the marking rod is used for recording the marking and measuring times again, and the actions are repeated, so that the longer measured object can be accurately measured and used, the operation is simple and convenient, the measuring times do not need to be recorded manually, the measuring efficiency and accuracy are improved, the color filled in the sponge plate can be a vivid color, the observation is convenient, and the corresponding color agent is adsorbed through the adsorption force of the sponge plate;

3. the engineering cost measuring ruler is convenient to operate in the whole process when in use, does not need additional recording, avoids factors causing measurement errors due to forgetting, and improves engineering measurement efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic plan view of the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 4 is a schematic view of the partial structure of the connection of the slider, the counting shaft, the pressing plate and the spring II;

FIG. 5 is a schematic view showing the structure of the slider and counting shaft of the present utility model in an exploded state;

FIG. 6 is a schematic view showing an exploded structure of the limiting groove, the limiting plates, the sleeve shaft, the sleeve and the spring according to the present utility model;

FIG. 7 is a schematic diagram of the connection of the adjusting shaft, first bevel gear, second bevel gear, gear set and lead screw of the present utility model.

In the figure: 1. a measuring ruler body; 2. a counting shaft; 3. a marking rod; 4. a positioning rod; 5. a sponge plate; 6. an adjustment aperture; 7. a slideway; 8. a slide block; 9. an observation hole; 10. a limiting plate; 11. a sleeve shaft; 12. a sleeve; 13. a first spring; 14. pressing the plate; 15. a second spring; 16. a U-shaped rod; 17. a magnifying glass; 18. a strip-shaped chute; 19. a screw rod; 20. a gear set; 21. an adjusting shaft; 22. a knob; 23. a first bevel gear; 24. a second bevel gear; 25. a handle groove; 26. a moving block; 27. an indicator needle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 7, an engineering cost measuring scale includes a measuring scale body 1, and further includes a counting shaft 2, a limiter, a marking rod 3 and a positioning rod 4, wherein an adjusting hole 6 is provided on the right side of the measuring scale body 1, the counting shaft 2 is rotatably mounted in the adjusting hole 6, a digital mark is circumferentially provided on the counting shaft 2, a slide way 7 is provided on the upper side and the lower side of the adjusting hole 6, a slide block 8 is provided in each slide way 7, two ends of the counting shaft 2 are rotatably mounted in the two slide blocks 8, respectively, and the limiter is mounted between the counting shaft 2 and the slide block 8, for limiting the position of each counting shaft 2 after rotation, the marking rod 3 is mounted between the slide way 7 and the slide block 8 through an elastic pressing assembly, a sponge plate 5 filled with color is provided on the rear side of the adjusting hole 6, and the marking rod 3 is longitudinally aligned with a last scale on the measuring scale body 1; an observation hole 9 is formed in the left side of the measuring ruler body 1, the inside of the observation hole 9 is longitudinally connected with the positioning rod 4, and the positioning rod 4 is longitudinally aligned with the first scale on the measuring ruler body 1;

specific: when a longer object is measured, the measuring ruler body 1 is used once, the counting shaft 2 is rotated once, the number on the counting shaft 2 corresponds to the corresponding measurement times, the position of the counting shaft 2 after rotation is limited through the limiter, the digital record after each measurement is ensured to be stable and not to change randomly, the marking rod 3 is pressed backwards under the action of the elastic pressing component through the marking rod 3, the marking rod 3 pushes the sponge plate 5 to move backwards, the color on the sponge plate 5 is printed on the measured object, then when the measuring ruler body 1 is used again, the positioning rod 4 is aligned with the position marked by the marking rod 3 through the observation hole 9, then the counting shaft 2 is rotated once again, the marking rod 3 is pressed downwards, the marking and the recording of the measurement times are carried out again, the actions are repeated, accordingly, the longer measured object can be accurately measured and used, the operation is simple and convenient, the measurement times do not need to be recorded manually, the measurement efficiency and the accuracy are improved, the color filled in the sponge plate 5 can be a bright color, the observation is convenient, and the corresponding color is adsorbed through the adsorption force of the sponge plate 5.

The counting shaft 2 is polygonal, two ends of the counting shaft 2 are connected with polygonal limiting shafts, the number of the limiting plates 10 is consistent with the number of the side edges of the counting shaft 2 and the number of the side edges of the limiting shafts, the limiting holes are formed in opposite sides of the two sliding blocks 8, the limiting holes are polygonal, the number of the inner side walls of the limiting holes is consistent with the number of the side edges of the counting shaft 2, the limiting plates 10 are arranged inside the limiting holes in a polygonal mode, each limiting plate 10 corresponds to one inner side wall of the limiting hole, and the elastic supporting piece is connected between each limiting plate 10 and one corresponding inner side wall of the polygonal;

specific: through elastic support's elasticity, make a plurality of limiting plates 10 carry out the parcel tightly with the spacing axle, when rotatory counting shaft 2, elastic support is compressed, make counting shaft 2 can rotate, after rotatory completion, a plurality of limiting plates 10 support tightly the spacing axle after rotating under elastic support's effect again, the record digit after guaranteeing to rotate is stable, wherein adopt a plurality of limiting plates 10 that are polygon arrangement to support the cooperation purpose of spacing axle, make spacing axle rotatory back can be with the laminating that spacing axle is better tightly, and laminate again after the relative rotation takes place between spacing axle and the county limiting plates 10 at every turn, in the rotation process, can produce the sound of "on the curve and step on", thereby also be convenient for the engineering cost engineer when using through the number of times of "listening sound", can confirm the number of turns of rotations of counting shaft 2, thereby still can judge the rotational accuracy of counting shaft 2 through hearing memory in the vision record.

Further, the elastic support piece comprises a sleeve shaft 11, a sleeve pipe 12 and a first spring 13, wherein the sleeve pipe 12 is sleeved outside the sleeve shaft 11 and is in sliding fit with the sleeve shaft 11, the first spring 13 is sleeved outside the sleeve shaft 11 and the sleeve pipe 12 and is used for enabling the sleeve shaft 11 and the sleeve pipe 12 to generate corresponding abutting force when in telescopic action, the free end of the sleeve pipe 12 is mounted on the inner wall of the limiting hole, and the free end of the sleeve shaft 11 is mounted on the side wall of the limiting plate 10;

specific: through the scalability of spring one 13, can carry out elastic support to limiting plate 10, through the scalability between sleeve 11 and the sleeve 12, when guaranteeing spring one 13 normal use, can also prevent that spring one 13 from crooked to guarantee that limiting plate 10 can both produce the position change at corresponding position at every turn and the arbitrary position that does not change, guarantee limiting plate 10's stability in use, simultaneously in order to improve elastic support piece and to the stable support of limiting plate 10, install at least two between every limiting plate 10 and the spacing hole inner wall that corresponds with it elastic limiting piece, improve the reliability in use.

Still further, the elastic pressing assembly includes two pressing plates 14, two springs 15 and a U-shaped rod 16, the number of the pressing plates 14 is two, the two pressing plates 14 are respectively mounted at the rear side of the sliding block 8, the two springs 15 are arranged at two sides of the pressing plates 14, the other ends of the two springs 15 are connected with the inner side walls of the sliding way 7, two ends of the U-shaped rod 16 are respectively connected with the rear ends of the two pressing plates 14, and the marking rod 3 is connected with the rear end of the U-shaped rod 16;

specific: the pressing plate 14 and the sliding block 8 can be connected through bolts, so that the disassembly is convenient, when the counting shaft 2 is rotated, the counting shaft 2 is pressed backwards, the sliding block 8 pushes the second spring 15 to compress, meanwhile, the marking rod 3 is driven to move backwards and push the sponge plate 5 to move backwards, the color on the sponge plate 5 is printed on the surface of a measured object, after the pressing is finished, the counting shaft 2 is loosened, and the marking rod 3 is restored to the original position under the elasticity of the second spring 15 to wait for the next use.

In the second embodiment, referring to fig. 1 to 7, the second embodiment further includes a scale positioning display, and the scale positioning limiter includes a moving block 26, an adjusting member, an indicating needle 27 and a magnifying glass 17, where the moving block 26 is provided with a bar chute 18 along the length of the measuring scale body 1, the moving block 26 is slidably disposed inside the bar chute 18, the adjusting member is installed between the moving block 26 and the measuring scale body 1, and is used for adjusting the position of the moving block 26 and keeping the adjusted position stable, the indicating needle 27 is installed outside the moving block 26, and the top of the indicating needle 27 points to the scale position on the measuring scale body 1, the magnifying glass 17 is installed on the indicating needle 27, and the position of the magnifying glass 17 is located at the front side of the digital scale on the measuring scale body 1, so as to amplify the digital scale on the measuring scale body 1, thereby facilitating the observation of the scale position when the cost engineer uses;

specific: the moving block 26 can be adjusted along the scale direction of the measuring scale body 1 through the adjusting piece, so that the indicating needle 27 slides, and therefore, the measuring scale can be positioned on the measured position scale mark of the measuring scale body 1, the condition that measured data forget due to no urgent record and inconvenient marking after measurement is avoided, the positioned scale position number can be amplified through the magnifying glass 17, and people with poor eyesight can watch the measuring scale conveniently, and bright colors such as red can be smeared on the indicating needle 27.

Further, the adjusting piece comprises a screw rod 19, a gear set 20, an adjusting shaft 21 and a knob 22, wherein the screw rod 19 penetrates through the moving block 26 and is in threaded connection with the moving block 26, one end of the screw rod is in rotary connection with the side wall of the strip-shaped sliding groove 18, one side of the measuring ruler body 1 is provided with a transmission cavity, the gear set 20 is rotatably arranged in the transmission cavity, the number of gears in the gear set 20 is at least three, the three gears are sequentially meshed, the gear at the uppermost side is concentric with and fixedly connected with the other end of the screw rod, the lower side of the measuring ruler body 1 is also provided with an adjusting cavity, one side of the adjusting cavity is communicated with the transmission cavity, the adjusting shaft 21 is rotatably arranged in the adjusting cavity, one end of the adjusting shaft 21 is concentric with the gear at the lowermost side of the gear set 20 and is fixedly connected with the adjusting cavity, the other end of the adjusting shaft 21 is connected with a first bevel gear 23, the knob 22 is rotatably arranged at the front part of the adjusting cavity, the rear end of the knob 22 is connected with a second bevel gear 24, and the second bevel gear 24 is also positioned in the adjusting cavity and meshed with the first bevel gear 23;

specific: through rotating knob 22, make the regulating spindle 21 rotate under the meshing effect of bevel gear one 23 and bevel gear two 24, through the cooperation relation of gear train 20, drive the lead screw rotation, thereby can make movable block 26 move along the direction of bar spout 18, namely drive pointer 27 and move along the scale direction of dipperstick, when the object length of being measured is less than the range of dipperstick body 1, through rotating knob 22, can instruct and fix the position after measuring, though also can direct slip movable block 26 drives the position of pointer 27, but simple slip setting, after the measurement, if dipperstick body 1 rocks or the angle that the slope has changed, movable block 26 has the possibility of slip, thereby lead to the position of pointer 27 to change, also can not fine registration of the scale position numerical value that has been measured yet, nevertheless through the screw thread cooperation of movable block 26, the screw thread itself has certain locking capability, the position after rotating, in addition, slip cooperation relation between movable block 26 and the bar spout 18, movable block 26 can not slide by oneself easily, thereby after the measurement body is taken away to finish, the measurement position again can not change by force, can not influence the measuring result, and the measurement result can be changed by force.

It should be noted that, the numbers on the counting shaft 2 are sequentially increased from 1, the front side and the rear side of the adjusting hole 6 can be provided with sliding covers, the sliding cover on the rear side is used for protecting the sponge board 5, the sliding cover on the front side is used for protecting the counting shaft 2, the sliding cover is not shown in the sliding cover drawing, the structural design mode is the same as that of the sliding cover on the rear side, the lower side of the measuring ruler body 1 is also provided with a handle groove 25, and through the handle groove 25, an engineering cost engineer can conveniently take the measuring ruler body 1 when using the measuring ruler, and meanwhile, in order to conveniently rotate the counting shaft 2, the lower side of the counting shaft 2 is provided with a toggle button.

In summary, this engineering cost dipperstick, when using, at first, according to the length of the object to be measured, if length is longer than the length of a plurality of dipperstick bodies 1, during the measurement, place it on the measured object, make zero scale mark and the initial position alignment of measured object, then detain dipperstick body 1 on the measured object, push down counter shaft 2, make marking rod 3 promote sponge board 5 downwards protruding, make the colour on the sponge board 5 print on the measured object, then rotate counter shaft 2, make its actual figure just be the number of times of measurement, then pick up dipperstick body 1, see through viewing aperture 9, with locating lever 4 and mark rod 3 promotion sponge board 5 mark alignment, then detain dipperstick body 1 on the measured object again, press counter shaft 2 again, make marking rod 3 mark, simultaneously rotate counter shaft 2 once, repeat the action just, and accomplish the measurement, can be through rotatory 22, make the pointer 27 remove the final position of measured object to the final position of measured object, the length of the final measurement is forgotten on the counter shaft 2, the error factor is avoided, the error is avoided to be added to the measurement, the whole length is forgotten to the measurement is convenient, the whole length is recorded to the measurement of the measurement is required, the whole is not had.

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

Claims (7)

1. The utility model provides a engineering cost dipperstick, includes dipperstick body (1), its characterized in that: further comprises:

the counting shaft (2) is provided with an adjusting hole (6) on the right side of the measuring ruler body (1), the counting shaft (2) is rotatably arranged in the adjusting hole (6), and a digital mark is circumferentially arranged on the counting shaft (2);

the upper side and the lower side of the adjusting hole (6) are respectively provided with a slide way (7), each slide way (7) is internally provided with a slide block (8), two ends of the counting shaft (2) are respectively rotatably arranged in the two slide blocks (8), and the limiter is arranged between the counting shaft (2) and the slide blocks (8) and used for limiting the position of each counting shaft (2) after rotation;

the marking rod (3) is arranged between the slideway (7) and the sliding block (8) through an elastic pressing component, a sponge plate (5) filled with color is arranged at the rear side of the adjusting hole (6), and the marking rod (3) is longitudinally aligned with the last scale on the measuring ruler body (1); and

the locating rod (4), the left side of dipperstick body (1) is equipped with observation hole (9), and inside longitudinal connection of observation hole (9) locating rod (4), and locating rod (4) with the first scale on dipperstick body (1) vertically aligns.

2. A construction cost measuring scale according to claim 1, wherein: the stopper includes:

the counting shaft (2) is polygonal, polygonal limiting shafts are connected to two ends of the counting shaft (2), and the number of the limiting plates (10) is consistent with the number of the side edges of the counting shaft (2) and the number of the side edges of the limiting shafts;

the limiting holes are formed in opposite sides of the two sliding blocks (8), the limiting holes are polygonal, and the number of the inner side walls of the limiting holes is consistent with that of the side edges of the counting shaft (2); and

the limiting plates (10) are arranged inside the limiting holes in a polygonal mode, each limiting plate (10) corresponds to one inner side wall of each limiting hole, and the elastic supporting pieces are connected between each limiting plate (10) and one corresponding inner side wall of each polygon.

3. A construction cost measuring scale according to claim 2, wherein: the elastic support includes:

a sleeve shaft (11);

the sleeve (12) is sleeved outside the sleeve shaft (11) and is in sliding fit with the sleeve shaft (11);

the first spring (13) is sleeved outside the sleeve shaft (11) and the sleeve (12) and used for generating corresponding abutting force when the sleeve shaft (11) and the sleeve (12) stretch;

the free end of the sleeve (12) is arranged on the inner wall of the limiting hole, and the free end of the sleeve shaft (11) is arranged on the side wall of the limiting plate (10).

4. A construction cost measuring scale according to claim 3, wherein: the elastic pressing assembly includes:

the number of the pressing plates (14) is two, and the two pressing plates (14) are respectively arranged at the rear side of the sliding block (8);

the second springs (15) are arranged on two sides of the pressing plate (14), and the other ends of the second springs (15) are connected with the inner side walls of the slide ways (7);

the two ends of the U-shaped rod (16) are respectively connected with the rear ends of the two pressing plates (14), and the marking rod (3) is connected with the rear end of the U-shaped rod (16).

5. A construction cost measuring scale according to claim 4, wherein: still include scale location display to scale location stopper includes:

the measuring ruler comprises a measuring ruler body (1), a moving block (26), a sliding block and a control device, wherein the measuring ruler body (1) is provided with a strip-shaped sliding groove (18) along the length of the measuring ruler body (1), and the moving block (26) is arranged in the strip-shaped sliding groove (18) in a sliding mode;

the adjusting piece is arranged between the moving block (26) and the measuring ruler body (1) and is used for adjusting the position of the moving block (26) and keeping the adjusted position stable;

the indicating needle (27) is arranged outside the moving block (26), and the top of the indicating needle (27) points to the scale position on the measuring ruler body (1);

the magnifying glass (17), magnifying glass (17) are installed on pilot pin (27) to the position of magnifying glass (17) is located the digital scale front side on dipperstick body (1), is used for amplifying the digital scale on dipperstick body (1), observes the scale position when being convenient for the cost engineer to use.

6. A construction cost measuring scale according to claim 5, wherein: the adjusting member includes:

the screw rod (19) penetrates through the moving block (26) and is in threaded connection with the moving block (26), and one end of the screw rod is in rotary connection with the side wall of the strip-shaped chute (18);

the gear set (20) is arranged on one side of the measuring ruler body (1), the gear set (20) is rotatably arranged in the transmission cavity, the number of gears in the gear set (20) is at least three, and the three gears are sequentially meshed;

the gear at the uppermost side is concentric with and fixedly connected with the other end of the screw rod;

the lower side of the measuring ruler body (1) is also provided with an adjusting cavity, one side of the adjusting cavity is communicated with the transmission cavity, the adjusting shaft (21) is rotatably arranged in the adjusting cavity, and one end of the adjusting shaft (21) is concentric with and fixedly connected with a gear positioned at the lowest side of the gear set (20);

the rotary knob (22), the opposite side of regulating cavity is equipped with the adjustment tank, and the other end of regulating axle (21) is connected with bevel gear one (23), the front portion at the adjustment tank is installed in the rotation of knob (22) to the rear end of knob (22) is connected with bevel gear two (24), bevel gear two (24) also are located the adjustment tank and with bevel gear one (23) meshing.

7. A construction cost measuring scale according to claim 6, wherein: the lower side of the measuring ruler body (1) is also provided with a handle groove (25).