CN211954072U

CN211954072U - Measuring device for engineering cost

Info

Publication number: CN211954072U
Application number: CN202020940696.7U
Authority: CN
Inventors: 袁冰; 李爽
Original assignee: Shanghai Shangzi Engineering Cost Consulting Co ltd
Current assignee: Shanghai Shangzi Engineering Cost Consulting Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-11-17
Anticipated expiration: 2030-05-28

Abstract

The utility model relates to a measuring device for construction cost, which comprises a push rod, a supporting block and a distance measuring wheel; the push rod is fixedly connected to the supporting block; the supporting block is fixedly connected with a counter for recording the measuring distance of the distance measuring wheel; one side of the distance measuring wheel is connected with the supporting block, the center of the other side of the distance measuring wheel is rotatably connected with a rotating rod, and the end part of the rotating rod extends to the front of the distance measuring wheel; the free end of the rotating rod is provided with a cleaning mechanism; the rotating rod is provided with a balancing weight which is positioned between the distance measuring wheel and the cleaning mechanism; the cleaning mechanism comprises a frame arranged on the rotating rod and a guide block arranged on one side of the frame and used for guiding sundries to one side or two sides of the distance measuring wheel. The utility model discloses reach at range finding wheel range finding in-process, will range finding debris clearance on the road surface, improve measurement accuracy's effect.

Description

Measuring device for engineering cost

Technical Field

The utility model belongs to the technical field of measuring tool's technique and specifically relates to a measuring device for engineering cost is related to.

Background

The measuring device has abundant types, wherein the distance measuring device with the distance measuring wheels is widely applied to engineering construction, construction measurement and farmland measurement, the distance measuring device generally comprises a push rod, a counter and the distance measuring wheels, the counter is used for storing and reading data, the push rod is pushed during distance measurement, and the counter measures the distance through the rotating counting of the distance measuring wheels. But the traveling distance of the distance measuring wheel is influenced by sundries, so that the measuring precision has errors, and the influence of the sundries is eliminated when the measuring precision is improved.

Chinese patent No. CN208075733U discloses a wheel type distance measuring device, which comprises a connecting rod and a distance measuring travelling wheel arranged on the connecting rod, wherein the connecting rod has a hollow structure, a strip-shaped groove is arranged at the lower end of the connecting rod, a support rod penetrates through the strip-shaped groove, the two ends of the support rod are respectively and fixedly connected with a clamping block, one side of each clamping block close to the strip-shaped groove is arc-shaped, a sliding plate is fixedly connected with the clamping block at the outer side of the connecting rod, an inclined bearing plate is fixedly connected with the sliding plate, a scraping blade is arranged on the bearing plate, the scraping blade is abutted against the distance measuring travelling wheel, a positioning plate is fixedly connected with the connecting rod at the upper end of the strip-shaped groove, a first spring is fixedly connected between the positioning plate and the sliding plate, a rotating rod is rotatably connected with the connecting rod, a driving rod is further arranged in the connecting, the push rod penetrates through the connecting rod. Thus being convenient for cleaning the sundries on the distance measuring travelling wheel.

The above prior art solutions have the following drawbacks: the scraper is abutted to the distance measuring wheel, so that the effect of cleaning sundries on the distance measuring wheel can be achieved, but the influence caused by the sundries on the distance measuring road surface cannot be cleaned in the distance measuring process, the distance measuring wheel is easy to bump or laterally slide off and deviate from the original path after sundries are ejected in the distance measuring process, and the measuring precision of the distance measuring wheel is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a measuring device for engineering cost reaches at the ranging wheel range finding in-process, will range the debris clearance on the road surface, improves measurement accuracy's effect.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a measuring device for engineering cost comprises a push rod, a supporting block and a distance measuring wheel; the push rod is fixedly connected to the supporting block; the supporting block is fixedly connected with a counter for recording the measuring distance of the distance measuring wheel; one side of the distance measuring wheel is connected with the supporting block, the center of the other side of the distance measuring wheel is rotatably connected with a rotating rod, and the end part of the rotating rod extends to the front of the distance measuring wheel; the free end of the rotating rod is provided with a cleaning mechanism; the rotating rod is provided with a balancing weight which is positioned between the distance measuring wheel and the cleaning mechanism; the cleaning mechanism comprises a frame arranged on the rotating rod and a guide block arranged on one side of the frame and used for guiding sundries to one side or two sides of the distance measuring wheel.

By adopting the technical scheme, firstly, the distance measuring wheel is placed on the ground, and the frame is abutted against the ground by rotating the balancing weight on the rod; then the push rod is pushed, the distance measuring wheel starts to measure the distance, and at the moment, sundries are guided to one side or two sides of the distance measuring wheel through the guide blocks arranged on the frame in the distance measuring process of the distance measuring wheel, so that the measuring accuracy is prevented from being reduced due to the fact that the distance measuring wheel bumps or deviates a distance measuring route due to the influence of the sundries; and finally, finishing the whole ranging process by observing the numerical value on the counter.

The present invention may be further configured in a preferred embodiment as: the cleaning mechanism also comprises a connecting shaft arranged on the frame and a cleaning brush arranged on the connecting shaft; the cleaning brush is located within the frame.

By adopting the technical scheme, the guide block arranged on the frame can be used for blocking off some larger sundries, so that the measuring precision of the distance measuring wheel is prevented from being influenced by the larger sundries; the cleaning brush clears up less debris, and the further segmentation improves measurement accuracy to the clearance of debris.

The present invention may be further configured in a preferred embodiment as: two ends of the connecting shaft are respectively and rotatably connected to the frame, and one end of the connecting shaft is provided with a ratchet wheel; the frame is provided with a pawl meshed with the ratchet wheel; the cleaning brush is coaxially sleeved on the connecting shaft; in the distance measuring process, the rotation directions of the cleaning brush and the distance measuring wheel are limited through the mutual meshing of the ratchet wheel and the pawl; the pawl is provided with spring II, and spring II fixed connection makes the pawl butt all the time in the ratchet in the frame.

By adopting the technical scheme, the ratchet wheel arranged on the connecting shaft is matched with the pawl, so that the cleaning brush can be easily rotated to replace the cleaning surface in contact with the ground, and the cleaning effect is prevented from being lost due to abrasion of the cleaning surface; due to the matching of the ratchet wheel and the pawl, the cleaning brush is in a locking state in the distance measuring process, and the cleaning effect is achieved.

The present invention may be further configured in a preferred embodiment as: a free end of the rotating rod is provided with a hinge lug, and the arc-shaped peripheral wall of the hinge lug is provided with two positioning holes; the side wall of the frame is fixedly connected with a hinged support; the hinged support comprises an upper hinged support and a lower hinged support; the frame is provided with a spring part matched with the positioning hole; the spring piece and the hinge lug are positioned between the upper hinge base and the lower hinge base.

Through adopting above-mentioned technical scheme, the cooperation of spring part and locating hole prevents that the cleaning brush from swinging at the cleaning in-process on the one hand, and on the other hand can fix the inclination of cleaning brush, prevents again that the cleaning brush from piling up in the cleaning surface of cleaning brush at cleaning in-process debris when reaching clear purpose.

The present invention may be further configured in a preferred embodiment as: the spring piece comprises a sleeve fixedly connected to the frame, an inserted rod penetrating through the sleeve and a spring I; the spring I is positioned in the sleeve; the inserted link is provided with a limiting rod; the sleeve is provided with a limiting groove for extending out of the free end of the limiting rod; the hinged support is provided with a reset groove; the free end of the limiting rod extends out of the reset groove through the limiting groove.

Through adopting above-mentioned technical scheme, promote the gag lever post and remove compression spring I along the groove that resets, can shift out the spring part from the locating hole.

The present invention may be further configured in a preferred embodiment as: the rotating rod comprises a hinge joint which is rotatably connected with the distance measuring wheel and a swing rod which is hinged at the end part of the hinge joint; the lateral wall of articulated joint is provided with circular separation blade, and circular separation blade prevents pendulum rod and range finding wheel contact.

By adopting the technical scheme, when the distance measuring wheel is temporarily placed on the ground, the swing rod rotates through the hinge joint, so that the cleaning mechanism is positioned on one side of the distance measuring wheel to form the supporting frame, and the distance measuring wheel can be abutted against the ground; when the side wall of the swing rod is close to the distance measuring wheel, the swing rod is blocked by the circular blocking piece, and the interference of the rotation of the distance measuring wheel is avoided.

The present invention may be further configured in a preferred embodiment as: the push rod is provided with a dial; and a compass corresponding to the scale of the dial is rotatably connected above the dial.

By adopting the technical scheme, an observer can constantly observe whether the compass points to a certain scale of the dial, and pay attention to whether the advancing direction of the side distance wheel deviates, so that the inaccuracy of measurement precision caused by human factors is reduced.

The present invention may be further configured in a preferred embodiment as: a fixing rod is arranged on the side wall of the push rod; one end of the fixed rod is fixedly connected with the push rod, and the other end of the fixed rod is in ball hinge connection with the lower surface of the dial.

By adopting the technical scheme, the bottom plate is hinged with the fixed shaft ball in a universal adjusting mode, and users with different heights can observe the dial conveniently.

The present invention may be further configured in a preferred embodiment as: the push rod is a telescopic rod.

Through adopting above-mentioned technical scheme, convenient taking in of range finding wheel also makes things convenient for the user of different heights to use range finding wheel.

To sum up, the utility model discloses a following at least one useful technological effect:

1. firstly, placing a distance measuring wheel on the ground, and rotating a balancing weight on a rod to enable a frame to be abutted against the ground; then the push rod is pushed, the distance measuring wheel starts to measure the distance, and at the moment, sundries are guided to one side or two sides of the distance measuring wheel through the guide blocks arranged on the frame in the distance measuring process of the distance measuring wheel, so that the measuring accuracy is prevented from being reduced due to the fact that the distance measuring wheel bumps or deviates a distance measuring route due to the influence of the sundries; finally, the whole ranging process is completed by observing the numerical value on the counter;

2. the ratchet wheel structure arranged between the swing rod and the cleaning brush can achieve the effect of cleaning sundries on a ranging road surface and can easily replace the cleaning surface of the cleaning brush, the swing rod is hinged to the ranging wheel, and when the ranging wheel is temporarily placed on the ground, the swing rod can be used as a support frame to enable the ranging wheel to be abutted against the ground;

3. the compass on the push rod observes whether the ranging process is deviated, and the telescopic push rod enables an observer to use the ranging wheel more conveniently.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the swing link and the cleaning mechanism of the present invention;

FIG. 3 is a schematic view of the spring member of the present invention;

FIG. 4 is a schematic structural view of the cleaning brush and the frame of the present invention;

fig. 5 is a schematic view of the state of the utility model against the ground.

In the figure, 1, a push rod; 2. a support block; 3. a distance measuring wheel; 4. a counter; 5. rotating the rod; 51. a hinge joint; 511. a circular baffle plate; 52. a swing rod; 521. hinging a lug; 522. positioning holes; 6. a cleaning mechanism; 61. a frame; 62. a connecting shaft; 63. a cleaning brush; 64. hinging seat; 641. an upper hinged support; 642. a lower hinged support; 643. a reset groove; 65. a spring member; 651. inserting a rod; 652. a sleeve; 6521. a limiting groove; 653. a spring I; 654. a limiting rod; 66. a guide block; 7. a balancing weight; 8. a ratchet wheel; 9. a pawl; 10. a spring II; 11. fixing the rod; 12. a dial scale; 13. a compass.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the measuring device for engineering cost disclosed by the present invention comprises a push rod 1 with a telescopic structure, a supporting block 2 and a distance measuring wheel 3, wherein the push rod 1 is fixedly connected to the supporting block 2; the supporting block 2 is fixedly connected with a counter 4 for recording the measuring distance of the distance measuring wheel 3; one side of the distance measuring wheel 3 is connected with the supporting block 2, and the center of the other side is connected with a rotating rod 5; the rotating rod 5 comprises a hinge joint 51 rotatably connected with the distance measuring wheel 3 and a swing rod 52 hinged at the end part of the hinge joint 51; the free end of the swing rod 52 extends to the front of the distance measuring wheel 3; the side wall of the hinged joint 51 is fixedly connected with a circular baffle 511, and the circular baffle 511 prevents the swing rod 52 from contacting the distance measuring wheel 3; the free end of the swing link 52 is provided with a cleaning mechanism 6.

Referring to fig. 2, a balancing weight 7 is arranged on the swing rod 52, the balancing weight 7 is positioned between the distance measuring wheel 3 (refer to fig. 1) and the cleaning mechanism 6, and the balancing weight 7 can enable the cleaning mechanism 6 to be abutted against the road surface; the free end of the swing rod 52 is provided with a hinge lug 521, and the arc-shaped peripheral wall of the hinge lug 521 is provided with two positioning holes 522.

The cleaning mechanism 6 comprises a frame 61 hinged at the free end of the swing rod 52, a connecting shaft 62 rotatably connected to the frame 61 and a cylindrical cleaning brush 63 coaxially sleeved on the connecting shaft 62; the side wall of the frame 61 is fixedly connected with a hinged support 64; the free bearing comprises an upper free bearing 641 and a lower free bearing 642; the hinge eyes 521 are located between the upper hinge mount 641 and the lower hinge mount 642; the hinge base 64 and the hinge lug 521 are rotatably connected through the same central shaft.

Referring to fig. 3, the frame 61 is provided with the spring member 65 engaged with the positioning hole 522, and the spring member 65 and the positioning hole 522 limit the position of the frame 61, so that on one hand, the cleaning brush 63 is prevented from swinging during the cleaning process, and on the other hand, the inclination angle of the cleaning brush 63 can be fixed, thereby achieving the cleaning purpose and preventing sundries from being accumulated on the cleaning surface of the cleaning brush 63 during the cleaning process of the cleaning brush 63; the spring member 65 is located between the upper hinge mount 641 and the lower hinge mount 642; the spring member 65 includes a sleeve 652 fixedly connected to the frame 61 (see fig. 2), an insertion rod 651 inserted into the sleeve 652, and a spring i 653; the spring I653 is positioned in the sleeve 652 and is always abutted against the insert rod 651; the side wall of the inserting rod 651 is fixedly connected with a limiting rod 654; the side wall of the sleeve 652 is provided with a limit groove 6521 for extending the free end of the limit rod 654; the hinge base 64 is provided with a reset groove 643; the free end of the retainer rod 654 extends out of the reset slot 643 and the spring member 65 is removed from the positioning aperture 522 by pushing the retainer rod 654 to compress the spring i 653.

Referring to fig. 4, one end of the connecting shaft 62 far away from the hinge seat 64 is coaxially sleeved with a ratchet 8; a pawl 9 meshed with the ratchet wheel 8 is installed on the inner side wall of the frame 61, a spring II 10 is arranged on the pawl 9, the spring II 10 is fixedly connected to the frame 61 to enable the pawl 9 to be always abutted against the ratchet wheel 8, through the matching of the ratchet wheel 8 and the pawl 9, the cylindrical cleaning brush 63 can replace a worn cleaning surface, and the cleaning brush 63 cannot rotate in the distance measuring process; one side fixedly connected with conical guide block 66 of frame 61, the distance measuring wheel 3 is kept away from, and guide block 66 is used for keeping off some great debris, prevents that distance measuring wheel 3 from being blockked the range finding route by big debris.

Referring to fig. 1, a fixing rod 11 is fixedly connected to the outer circumferential wall of a push rod 1; a dial 12 is hinged to one end of the fixed rod 11 through a ball; a compass 13 is rotatably connected above the dial 12, and the fixed rod 11 realizes universal adjustment of the dial 12 through a ball end with damping, so that operators with different heights can observe the compass 13 conveniently.

The implementation principle of the embodiment is as follows: when the distance measuring wheel 3 is used for measuring the distance, the distance measuring wheel 3 is placed on the ground, and the balancing weight 7 on the swing rod 52 enables the cleaning brush 63 on the free end of the swing rod 52 to be always abutted against the road surface; the frame 61 is rotated to make the cleaning brush 63 have a certain inclination angle, so that sundries are prevented from being accumulated on the cleaning surface of the cleaning brush 63 in the distance measuring process, the distance measuring wheel 3 is moved to measure the distance, and the cleaning brush 63 and the guide block 66 arranged on the frame 61 clean the sundries in front of the distance measuring wheel 3.

When the distance measuring wheel 3 is temporarily placed on the ground, the swing rod 52 can be rotated through the hinge joint 51 to enable the cleaning mechanism 6 to be positioned on one side of the distance measuring wheel 3, so that the swing rod 52 and the cleaning mechanism 6 become a support frame of the distance measuring wheel 3 to be abutted against the ground.

When a user wants to observe whether the distance measuring direction of the distance measuring wheel deviates, whether the user always points at a certain scale of the dial 12 can be observed through the compass 13 arranged on the push rod 1, and the influence of human factors on the measuring precision is avoided.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A measuring device for engineering cost is characterized in that: comprises a push rod (1), a supporting block (2) and a distance measuring wheel (3); the push rod (1) is fixedly connected to the supporting block (2); the supporting block (2) is fixedly connected with a counter (4) for recording the measuring distance of the distance measuring wheel (3); one side of the distance measuring wheel (3) is connected with the supporting block (2), the center of the other side of the distance measuring wheel is rotatably connected with a rotating rod (5), and the end part of the rotating rod (5) extends to the front of the distance measuring wheel (3); a cleaning mechanism (6) is arranged at the free end of the rotating rod (5); the rotating rod (5) is provided with a balancing weight (7), and the balancing weight (7) is positioned between the distance measuring wheel (3) and the cleaning mechanism (6); the cleaning mechanism (6) comprises a frame (61) arranged on the rotating rod (5) and a guide block (66) arranged on one side of the frame (61) and used for guiding sundries to one side or two sides of the distance measuring wheel (3).

2. A construction cost measuring apparatus according to claim 1, wherein: the cleaning mechanism (6) further comprises a connecting shaft (62) arranged on the frame (61) and a cleaning brush (63) arranged on the connecting shaft (62); the cleaning brush (63) is located within the frame (61).

3. A construction cost measuring apparatus according to claim 2, wherein: two ends of the connecting shaft (62) are respectively and rotatably connected to the frame (61), and one end of the connecting shaft is provided with a ratchet wheel (8); the frame (61) is provided with a pawl (9) meshed with the ratchet wheel (8); the cleaning brush (63) is coaxially sleeved on the connecting shaft (62); in the distance measuring process, the rotation directions of the cleaning brush (63) and the distance measuring wheel (3) are limited through the mutual meshing of the ratchet wheel (8) and the pawl (9); the pawl (9) is provided with a spring II (10), and the spring II (10) is fixedly connected to the frame (61) to enable the pawl (9) to be always abutted against the ratchet wheel (8).

4. A construction cost measuring apparatus according to claim 1, wherein: a hinge lug (521) is arranged at the free end of the rotating rod (5), and two positioning holes (522) are formed in the arc-shaped peripheral wall of the hinge lug (521); the side wall of the frame (61) is fixedly connected with a hinged support (64); the hinge base (64) comprises an upper hinge base (641) and a lower hinge base (642); the frame (61) is provided with a spring piece (65) matched with the positioning hole (522); the spring piece (65) and the hinge lug (521) are positioned between the upper hinge base (641) and the lower hinge base (642).

5. A construction cost measuring apparatus according to claim 4, wherein: the spring piece (65) comprises a sleeve (652) fixedly connected to the frame (61), an inserted rod (651) arranged in the sleeve (652) in a penetrating mode and a spring I (653); the spring I (653) is positioned in the sleeve (652); a limiting rod (654) is arranged on the inserted link (651); the sleeve (652) is provided with a limit groove (6521) for extending out of the free end of the limit rod (654); the hinged support (64) is provided with a reset groove (643); the free end of the limiting rod (654) extends out of the reset groove (643) through the limiting groove (6521).

6. A construction cost measuring apparatus according to claim 1, wherein: the rotating rod (5) comprises a hinged head (51) which is rotatably connected to the distance measuring wheel (3) and a swinging rod (52) which is hinged to the end part of the hinged head (51); the side wall of the hinged joint (51) is provided with a circular baffle (511), and the circular baffle (511) prevents the swing rod (52) from contacting the distance measuring wheel (3).

7. A construction cost measuring apparatus according to claim 1, wherein: the push rod (1) is provided with a dial (12); and a compass (13) corresponding to the scales of the dial (12) is rotatably connected above the dial (12).

8. A construction cost measuring apparatus according to claim 7, wherein: a fixing rod (11) is installed on the side wall of the push rod (1); one end of the fixed rod (11) is fixedly connected with the push rod (1), and the other end of the fixed rod is hinged with the lower surface of the dial (12) in a ball joint mode.

9. A construction cost measuring apparatus according to any one of claims 1 to 8, wherein: the push rod (1) is a telescopic rod.