Auxiliary device for measuring jacking axis of prefabricated box culvert

Abstract

The utility model discloses an auxiliary device for measuring the jacking axis of a prefabricated box culvert, which comprises a rectangular-ambulatory-plane frame platform arranged in a central hole of the prefabricated box culvert, a ladder stand mechanism arranged on a side plate of the rectangular-ambulatory-plane frame platform, and a laser measuring instrument arranged on a top plate of the rectangular-ambulatory-plane frame platform, the crawling ladder mechanism comprises a first lead screw and a second lead screw which are arranged on the side plates of the rectangular-ambulatory-plane frame platform in parallel, the first lead screw and the second lead screw are both sleeved with nut seats, the two nut seats are connected through a crawling ladder, a driving motor is installed at one end of the first lead screw, and the first lead screw and the second lead screw are in transmission connection through a belt transmission mechanism. The auxiliary device is simple in structure, in the process of jacking the prefabricated box culvert, the auxiliary device can move along with the prefabricated box culvert at the same time, the rectangular-ambulatory-plane frame platform can provide a safe and reliable measuring platform for operators, the operators are prevented from standing on the top of a crawling ladder for multiple times to conduct centering measurement, and the working efficiency is improved. And the crawling ladder is reliably connected with the side plates of the rectangular-ambulatory-plane framework platform.

Description

Technical Field

[0001] The utility model belongs to the technical field of prefabricated box culvert jacking construction, and in particular relates to a prefabricated box culvert jacking axis measurement auxiliary device. Background Art

[0002] In the jacking construction of a prefabricated box culvert that passes under an existing line, the control method for the jacking axis of the prefabricated box culvert is as follows: prefabricated box culvert axis control points are set in front and rear of the prefabricated box culvert currently being jacked, and ink lines are used to mark the bottom surface of the top plate of the prefabricated box culvert according to the designed axis. The control point behind the axis of the prefabricated box culvert is the surveying station, and the control point in front of the axis of the prefabricated box culvert is the prism point. The surveyor aligns the prism point at the surveying station. At this time, the horizontal nut of the total station is locked. During the jacking process of the prefabricated box culvert, the surveyor is arranged to climb close to the bottom surface of the top plate of the prefabricated box culvert with a ladder. For every meter of jacking of the prefabricated box culvert, it moves forward and sets up a prism for observation. During this process, the surveyor needs to climb close to the bottom surface of the top plate of the prefabricated box culvert with a ladder for many times, and stand on the top of the ladder to perform centering measurement, which is not only time-consuming and labor-intensive, but also has great safety hazards. Therefore, a prefabricated box culvert jacking axis measurement auxiliary device should be provided. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a prefabricated box culvert jacking axis measurement auxiliary device in view of the deficiencies in the above-mentioned prior art. The device has a simple structure and a reasonable design. During the jacking of the prefabricated box culvert, the auxiliary device can move simultaneously with the prefabricated box culvert. The U-shaped frame platform can provide reliable support for the ladder mechanism and can provide a safe and reliable measurement platform for the operator, avoiding the operator from standing on the top of the ladder for centering measurement many times. By adjusting the position of the ladder on the side plate of the U-shaped frame platform, the operator can climb to the top plate of the U-shaped frame platform through the ladder at any position, and can also descend to the center hole of the prefabricated box culvert through the ladder at any position. The connection between the ladder and the side plate of the U-shaped frame platform is reliable and has good stability.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a prefabricated box culvert jacking axis measurement auxiliary device, characterized in that it includes a U-shaped frame platform arranged in the central hole of the prefabricated box culvert, a ladder mechanism arranged on the side panels of the U-shaped frame platform and a laser measuring instrument installed on the top plate of the U-shaped frame platform, the ladder mechanism includes a first screw rod and a second screw rod arranged in parallel on the side panels of the U-shaped frame platform, the first screw rod and the second screw rod are both provided with nut seats, the two nut seats are connected by a ladder, a driving motor is installed at one end of the first screw rod, the first screw rod and the second screw rod are connected by a belt transmission mechanism, a slide groove is provided on the side panel of the U-shaped frame platform, and a protrusion matching the slide groove is provided on the nut seat.

[0005] The above-mentioned prefabricated box culvert jacking axis measurement auxiliary device is characterized in that: a plurality of support seats for mounting the end of the first screw rod or the end of the second screw rod are arranged on the side panels of the U-shaped frame platform.

[0006] The above-mentioned prefabricated box culvert jacking axis measurement auxiliary device is characterized in that: the belt transmission mechanism includes a driving wheel fixedly installed at one end of the first screw rod and a driven wheel fixedly installed at one end of the second screw rod, and the driving wheel and the driven wheel are connected by a belt.

[0007] The above-mentioned prefabricated box culvert jacking axis measurement auxiliary device is characterized in that the number of the slide grooves is four, two of the slide grooves are respectively arranged on both sides of the first screw rod, and two of the slide grooves are respectively arranged on both sides of the second screw rod.

[0008] The above-mentioned prefabricated box culvert jacking axis measurement auxiliary device is characterized in that: a mounting seat is provided on the top plate of the U-shaped frame platform, the laser measuring instrument is fixedly installed on the mounting seat, and the jacking axis is marked on the top plate of the U-shaped frame platform.

[0009] The above-mentioned prefabricated box culvert jacking axis measurement auxiliary device is characterized in that: limiting wing plates are arranged on both sides of the bottom plate of the U-shaped frame platform.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] 1. The utility model provides a U-shaped frame platform that can be placed in the center hole of the prefabricated box culvert, and provides a ladder mechanism on the side panels of the U-shaped frame platform, and provides a laser measuring instrument on the top panel of the U-shaped frame platform. In actual use, the auxiliary device is placed in the center hole of the prefabricated box culvert. During the process of jacking the prefabricated box culvert, the auxiliary device can move simultaneously with the prefabricated box culvert. The U-shaped frame platform can provide reliable support for the ladder mechanism and provide a safe and reliable measuring platform for the operator, so that the operator can avoid standing on the top of the ladder for centering measurement many times, thereby greatly improving the safety of the measurement.

[0012] 2. The ladder mechanism of the utility model includes a first screw rod and a second screw rod, which are arranged in parallel on the side panels of the U-shaped frame platform, and the first screw rod and the second screw rod are both provided with nut seats, and a driving motor is installed at one end of the first screw rod, and the first screw rod and the second screw rod are connected by a belt transmission mechanism. In actual use, by adjusting the position of the ladder on the side panels of the U-shaped frame platform, the operator can climb to the top panel of the U-shaped frame platform through the ladder at any position, and can also descend to the center hole of the prefabricated culvert through the ladder at any position, and the connection between the ladder and the side panels of the U-shaped frame platform is reliable, with good stability, which is convenient for promotion and application.

[0013] 3. The utility model provides a slide groove on the side plate of the U-shaped frame platform and sets a protrusion on the nut seat. In actual use, the sliding cooperation between the protrusion and the slide groove can improve the accuracy and stability of the linear movement of the nut seat along the first screw rod or the second screw rod, thereby improving the reliability of the connection between the ladder and the side plate of the U-shaped frame platform and avoiding the shaking of the ladder during the linear movement.

[0014] 4. The utility model has a simple structure, reasonable design, easy operation and convenient promotion and application.

[0015] To sum up, the utility model has a simple structure and a reasonable design. During the process of jacking the prefabricated box culvert, the auxiliary device can move simultaneously with the prefabricated box culvert. The U-shaped frame platform can provide reliable support for the ladder mechanism and can provide a safe and reliable measuring platform for the operator, avoiding the operator from standing on the top of the ladder for multiple times to perform centering measurements. By adjusting the position of the ladder on the side panels of the U-shaped frame platform, the operator can climb to the top panel of the U-shaped frame platform through the ladder at any position, or descend to the center hole of the prefabricated box culvert through the ladder at any position. The connection between the ladder and the side panels of the U-shaped frame platform is reliable and has good stability.

[0016] The present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the use state of the utility model.

[0019] Figure 3 It is a structural schematic diagram of the nut seat of the utility model.

[0020] Description of reference numerals:

[0021] 1-1—bottom plate; 1-2—side plate; 1-3—top plate;

[0022] 2—driving motor; 3—belt; 4—first screw rod;

[0023] 5—Second screw rod; 6—Nut seat; 7—Ladder;

[0024] 8—support base; 9—mounting base; 10—laser measuring instrument;

[0025] 11—chute; 12—prefabricated box culvert. DETAILED DESCRIPTION

[0026] like Figure 1 , Figure 2 and Figure 3 As shown, the utility model includes a U-shaped frame platform arranged in the center hole of a prefabricated box culvert 12, a ladder mechanism arranged on the side panels 1-2 of the U-shaped frame platform, and a laser measuring instrument 10 installed on the top panel 1-3 of the U-shaped frame platform, the ladder mechanism includes a first screw rod 4 and a second screw rod 5 arranged in parallel on the side panels 1-2 of the U-shaped frame platform, the first screw rod 4 and the second screw rod 5 are both provided with a nut seat 6, the two nut seats 6 are connected by a ladder 7, a driving motor 2 is installed at one end of the first screw rod 4, the first screw rod 4 and the second screw rod 5 are connected by a belt transmission mechanism, a slide groove 11 is provided on the side panel 1-2 of the U-shaped frame platform, and a protrusion 6-1 matching the slide groove 11 is provided on the nut seat 6.

[0027] In this embodiment, a U-shaped frame platform that can be placed in the center hole of the prefabricated box culvert 12 is provided, and a ladder mechanism is provided on the side panels 1-2 of the U-shaped frame platform, and a laser measuring instrument 10 is provided on the top panel 1-3 of the U-shaped frame platform. In actual use, the auxiliary device is placed in the center hole of the prefabricated box culvert 12. During the process of jacking the prefabricated box culvert 12, the auxiliary device can move simultaneously with the prefabricated box culvert 12. The U-shaped frame platform can provide reliable support for the ladder mechanism and can provide a safe and reliable measuring platform for the operator, thereby avoiding the operator from standing on the top of the ladder for multiple times to perform centering measurements, thereby greatly improving the safety of the measurement.

[0028] In this embodiment, the ladder mechanism includes a first screw rod 4 and a second screw rod 5, which are arranged in parallel on the side plates 1-2 of the U-shaped frame platform, and the first screw rod 4 and the second screw rod 5 are both provided with nut seats 6, and a driving motor 2 is installed at one end of the first screw rod 4, and the first screw rod 4 and the second screw rod 5 are connected by a belt transmission mechanism. In actual use, when the driving motor 2 drives the first screw rod 4 to rotate counterclockwise, the belt transmission mechanism can synchronously transmit the rotation of the first screw rod 4 to the second screw rod 5, and the first screw rod 4 and the second screw rod 5 can drive the two nut seats 6 to move linearly to the side away from the driving motor 2 at the same time. Since the two nut seats 6 are connected by the ladder 7, The ladder 7 can move linearly with the two nut seats 6 simultaneously to the side away from the driving motor 2; when the driving motor 2 drives the first screw rod 4 to rotate clockwise, the first screw rod 4 and the second screw rod 5 can drive the two nut seats 6 to move linearly to the side close to the driving motor 2 at the same time, and the ladder 7 also moves linearly with the two nut seats 6 simultaneously to the side close to the driving motor 2; therefore, by adjusting the position of the ladder 7 on the side plates 1-2 of the U-shaped frame platform, the operator can climb to the top plate 1-3 of the U-shaped frame platform through the ladder 7 at any position, and can also descend to the center hole of the prefabricated box culvert 12 through the ladder 7 at any position, and the connection between the ladder 7 and the side plates 1-2 of the U-shaped frame platform is reliable and stable, which is convenient for promotion and application.

[0029] In this embodiment, a slide groove 11 is opened on the side plate 1-2 of the U-shaped frame platform, and a protrusion 6-1 is set on the nut seat 6. In actual use, the sliding cooperation between the protrusion 6-1 and the slide groove 11 can improve the accuracy and stability of the linear movement of the nut seat 6 along the first screw rod 4 or the second screw rod 5, thereby improving the reliability of the connection between the ladder 7 and the side plate 1-2 of the U-shaped frame platform, and avoiding the shaking of the ladder 7 during the linear movement.

[0030] like Figure 1As shown, in this embodiment, a plurality of support seats 8 for mounting the end of the first screw rod 4 or the end of the second screw rod 5 are provided on the side panels 1 - 2 of the U-shaped frame platform.

[0031] like Figure 1 and Figure 2 As shown, in this embodiment, the belt transmission mechanism includes a driving wheel fixedly mounted on one end of the first screw rod 4 and a driven wheel fixedly mounted on one end of the second screw rod 5, and the driving wheel and the driven wheel are connected by a belt 3.

[0032] like Figure 1 and Figure 3 As shown, in this embodiment, a slide groove 11 is provided on the side plate 1-2 of the U-shaped frame platform, and a protrusion 6-1 matching the slide groove 11 is provided on the nut seat 6. The number of the slide grooves 11 is four, and two of the slide grooves 11 are respectively arranged on both sides of the first screw rod 4, and two of the slide grooves 11 are respectively arranged on both sides of the second screw rod 5.

[0033] In this embodiment, a mounting seat 9 is provided on the top plate 1 - 3 of the U-shaped frame platform, the laser measuring instrument 10 is fixedly mounted on the mounting seat 9 , and a jacking axis is marked on the top plate 1 - 3 of the U-shaped frame platform.

[0034] In this embodiment, limiting wing plates are provided on both sides of the bottom plate 1 - 1 of the U-shaped frame platform.

[0035] like Figure 1 , Figure 2 and Figure 3 As shown, in actual use, the operator climbs to the top plate 1-3 of the U-shaped frame platform through the ladder 7 at any position. Since the laser measuring instrument 10 is arranged on the top plate 1-3 of the U-shaped frame platform, when the control point in front of the jacking axis of the prefabricated box culvert 12 is the prism point, the operator makes the laser beam of the laser measuring instrument 10 coincide with the jacking axis marked on the top plate 1-3 of the U-shaped frame platform. In the process of jacking the prefabricated box culvert 12, the offset change of the laser beam of the laser measuring instrument 10 is always observed. When there is a deviation between the laser beam of the laser measuring instrument 10 and the reference axis of the prism point, the jacking direction of the prefabricated box culvert 12 is adjusted in time to make the laser beam of the laser measuring instrument 10 coincide with the reference axis of the prism point at all times.

[0036] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural change made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.

Claims

1. A prefabricated box culvert jacking axis measurement auxiliary device, characterized in that: The invention comprises a U-shaped frame platform arranged in the central hole of a prefabricated box culvert (12), a ladder mechanism arranged on the side plate (1-2) of the U-shaped frame platform, and a laser measuring instrument (10) installed on the top plate (1-3) of the U-shaped frame platform. The ladder mechanism comprises a first screw rod (4) and a second screw rod (5) arranged in parallel on the side plate (1-2) of the U-shaped frame platform. The first screw rod (4) and the second screw rod (5) are both provided with a nut seat (6). The two nut seats (6) are connected by a ladder (7). A driving motor (2) is installed at one end of the first screw rod (4). The first screw rod (4) and the second screw rod (5) are connected by a belt transmission mechanism. A slide groove (11) is provided on the side plate (1-2) of the U-shaped frame platform. A protrusion (6-1) matching the slide groove (11) is provided on the nut seat (6).

2. A prefabricated box culvert jacking axis measurement auxiliary device according to claim 1, characterized in that: A plurality of support seats (8) for mounting the end of the first screw rod (4) or the end of the second screw rod (5) are arranged on the side plates (1-2) of the U-shaped frame platform.

3. A prefabricated box culvert jacking axis measurement auxiliary device according to claim 1, characterized in that: The belt transmission mechanism comprises a driving wheel fixedly mounted on one end of the first screw rod (4) and a driven wheel fixedly mounted on one end of the second screw rod (5), and the driving wheel and the driven wheel are connected via a belt (3).

4. A prefabricated box culvert jacking axis measurement auxiliary device according to claim 1, characterized in that: The number of the slide grooves (11) is four, two of the slide grooves (11) are respectively arranged on both sides of the first screw rod (4), and two of the slide grooves (11) are respectively arranged on both sides of the second screw rod (5).

5. A prefabricated box culvert jacking axis measurement auxiliary device according to claim 1, characterized in that: A mounting seat (9) is provided on the top plate (1-3) of the U-shaped frame platform, the laser measuring instrument (10) is fixedly mounted on the mounting seat (9), and a jacking axis is marked on the top plate (1-3) of the U-shaped frame platform.

6. A prefabricated box culvert jacking axis measurement auxiliary device according to claim 1, characterized in that: Limiting wing plates are arranged on both sides of the bottom plate (1-1) of the U-shaped frame platform.

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