Road and bridge construction polishing device

Abstract

A road and bridge construction polishing device comprises a circular polishing disc, a semicircular fixing sleeve, a spring, a middle fixing sleeve, a connecting sleeve, a motor mounting plate, a vertical limiting plate, an upper hoisting cylinder, an air cylinder and a motor, a plurality of polishing points are arranged on the lower portion of the circular polishing disc, a circular polishing disc upper column is arranged on the upper portion of the circular polishing disc, and an anti-disengaging chuck is arranged on the upper portion of the circular polishing disc upper column. The semicircular fixing sleeves are provided with semicircular fixing sleeve inner grooves, the anti-disengaging chucks are matched with the semicircular fixing sleeve inner grooves, the anti-disengaging chucks are inserted into the semicircular fixing sleeve inner grooves, the anti-disengaging chucks slide up and down in the semicircular fixing sleeve inner grooves, the semicircular fixing sleeves are symmetrically arranged at the two ends of the circular grinding disc upper column, and the symmetrical semicircular fixing sleeves are combined. The spring is arranged in the semicircular fixing sleeve inner groove, the lower portion of the spring abuts against the anti-disengaging chuck, the upper portion of the spring abuts against the upper portion of the semicircular fixing sleeve inner groove, semicircular fixing sleeve upper columns are arranged on the upper portion of the semicircular fixing sleeve, and the symmetrical semicircular fixing sleeve upper columns are inserted into the middle fixing sleeve.

Description

Technical Field

[0001] The utility model relates to the field of road and bridge construction, in particular to a road and bridge construction grinding device. Background Art

[0002] The existing patent (Announcement No.: CN220685722U) proposes a road and bridge construction grinding device, which can achieve grinding and resting of uneven roads through manual assistance or vehicle mounting. By injecting water into the ground in real time, the dust generated during grinding can be reduced to the greatest extent. During grinding, Tonghua mechanical shock absorption implements safety protection for the main structure. The output shaft of the shaft gear of this device is fixedly connected to the grinding plate mounting flange, and the grinding plate mounting flange is meshed with the grinding plate. However, the connection between the motor and the grinding plate is a rigid connection, so that the grinding plate has no buffer structure when grinding downwards, and excessive force will cause the grinding plate to wear quickly. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a spring that applies downward elastic thrust to an anti-dropping chuck, so that the circular grinding disc has a buffering effect on a relatively hard road surface when grinding the road surface, thereby preventing the circular grinding disc from being worn vigorously during road and bridge construction and increasing the service life of the circular grinding disc.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A road and bridge construction grinding device comprises a circular grinding disc, a semicircular fixed sleeve, a spring, an intermediate fixed sleeve, a connecting sleeve, a motor mounting plate, a vertical limit plate, an upper hoisting tube, a cylinder and a motor. The lower part of the circular grinding disc has a plurality of grinding points, the upper part of the circular grinding disc has a circular grinding disc upper column, the upper part of the circular grinding disc upper column has an anti-slip chuck, the semicircular fixed sleeve has a semicircular fixed sleeve inner groove, the anti-slip chuck is adapted to the semicircular fixed sleeve inner groove, the anti-slip chuck is inserted into the semicircular fixed sleeve inner groove, and the anti-slip chuck is placed in the semicircular fixed sleeve inner groove. Slide down, the semicircular fixed sleeve is symmetrically arranged at both ends of the upper column of the circular grinding disc, the symmetrical semicircular fixed sleeves are relative to each other, the spring is placed in the inner groove of the semicircular fixed sleeve, the lower part of the spring is against the anti-slip chuck, the upper part of the spring is against the upper part of the inner groove of the semicircular fixed sleeve, the upper part of the semicircular fixed sleeve is provided with a semicircular fixed sleeve upper column, the semicircular fixed sleeve upper column is adapted to the middle fixed sleeve, the symmetrical semicircular fixed sleeve upper column is inserted into the middle fixed sleeve, the symmetrical semicircular fixed sleeve upper column is connected to the middle fixed sleeve by bolts, and the upper part of the middle fixed sleeve is provided with an middle fixed sleeve upper column.

[0006] The lower part of the motor is installed on the motor mounting plate, the lower part of the motor is provided with a motor shaft, the motor shaft is inserted into the socket, the motor shaft is connected to the socket by screws, the upper column of the middle fixed sleeve is inserted into the socket, the upper column of the middle fixed sleeve is connected to the socket by screws, the side of the motor mounting plate is provided with a motor mounting plate side plate, and the lower part of the vertical limit plate is connected to the motor mounting plate.

[0007] The vertical limit plate is the same as the outer side of the motor mounting plate, the vertical limit plate is adapted to the upper hanging tube, the vertical limit plate is inserted into the upper hanging tube, the upper part of the vertical limit plate is provided with a vertical limit plate upper plate, the upper hanging tube has a plurality of upper hanging tube side holes, the vertical limit plate upper plate is adapted to the upper hanging tube side holes, the vertical limit plate upper plate is inserted into the upper hanging tube side holes, the vertical limit plate upper plate slides in the upper hanging tube side holes, and the three vertical limit plates are evenly distributed on the upper part of the motor mounting plate. Beneficial Effects

[0008] 1. The utility model has symmetrical semicircular fixing sleeves that are matched to buckle the anti-slip chuck therein, and the anti-slip chuck is prevented from sliding out of the semicircular fixing sleeve during road and bridge construction and grinding. The symmetrical upper columns of the semicircular fixing sleeves are inserted into and connected to the middle fixing sleeves through bolts, and the symmetrical semicircular fixing sleeves are tightly matched through the middle fixing sleeves, and the anti-slip chuck is prevented from sliding out of the semicircular fixing sleeves due to disconnection when subjected to external force during road and bridge construction and grinding. The motor is mounted and fixed on the motor mounting plate, and the motor shaft is connected to the upper column of the middle fixing sleeve through the connecting sleeve, so that the upper part of the upper column of the middle fixing sleeve is connected to the motor shaft, and the circular grinding disc rotates with the rotation of the motor shaft when the motor is working. When the circular grinding disc rotates, the uneven road surface is ground, and the grinding point has the effect of fine grinding.

[0009] 2. The utility model discloses a spring which applies a downward elastic thrust to the anti-slip chuck, so that the circular grinding disc has a buffering effect when grinding the road surface in a relatively hard state, and prevents the circular grinding disc from being worn vigorously during road and bridge construction grinding, thereby increasing the service life of the circular grinding disc. The three vertical limit plates are fixed on the motor mounting plate, and the upper plate of the vertical limit plate slides in the side holes of the upper lifting cylinder. The upper part of the motor mounting plate is connected to the upper lifting cylinder through the three vertical limit plates, and the motor mounting plate can slide up and down under the upper lifting cylinder. The displacement of the motor mounting plate sliding up and down is the sliding displacement of the upper plate of the vertical limit plate in the side holes of the upper lifting cylinder. The cylinder is fixed on the side plate of the upper lifting cylinder, and the cylinder piston rod passes through the side plate of the upper lifting cylinder and is connected to the side plate of the motor mounting plate. The telescopic length of the motor mounting plate under the upper lifting cylinder is controlled by the cylinder, so as to apply a downward thrust to the circular grinding disc, so that the device can grind different undulating roads. After grinding is completed, the circular grinding disc is lifted by the cylinder control, and this device is installed on the bottom frame of the construction vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a top axonometric view of a road and bridge construction grinding device described in the utility model.

[0011] Figure 2 The utility model is a bottom-up axonometric view of a road and bridge construction grinding device.

[0012] Figure 3 This is the first cross-sectional view of a road and bridge construction grinding device described in the utility model.

[0013] Figure 4 This is a second cross-sectional view of a road and bridge construction grinding device described in the utility model.

[0014] Figure 5 It is a cross-sectional view of the circular grinding disc and the semicircular fixing sleeve described in the utility model.

[0015] Figure 6 This is a cross-sectional view of the intermediate fixing sleeve described in the utility model.

[0016] Figure 7 This is a cross-sectional view of the motor mounting plate and the vertical limiting plate described in the utility model.

[0017] Figure 8 It is an axonometric view of the upper hanging cylinder described in the utility model. DETAILED DESCRIPTION

[0018] The utility model is further described in detail below according to the accompanying drawings and embodiments:

[0019] Embodiment 1:

[0020] A road and bridge construction grinding device, comprising a circular grinding disc 01, a semicircular fixing sleeve 04, a spring 06, an intermediate fixing sleeve 09, a connecting sleeve 11, a motor mounting plate 12, a vertical limit plate 14, an upper hoisting tube 15, a cylinder 17, and a motor 20. The circular grinding disc 01 has a plurality of grinding points 08 at the bottom, a circular grinding disc upper column 02 at the top, an anti-slip chuck 03 at the top of the circular grinding disc upper column 02, a semicircular fixing sleeve 04 having a semicircular fixing sleeve inner groove 05, and an anti-slip chuck 03 is adapted to the inner groove 05 of the semicircular fixing sleeve, the anti-dropping chuck 03 is inserted into the inner groove 05 of the semicircular fixing sleeve, the anti-dropping chuck 03 slides up and down in the inner groove 05 of the semicircular fixing sleeve, the symmetrical semicircular fixing sleeve 04 is matched to buckle the anti-dropping chuck 03 therein, and the anti-dropping chuck 03 is prevented from sliding from the semicircular fixing sleeve 04 during the road and bridge construction grinding, the semicircular fixing sleeve 04 is symmetrically arranged at both ends of the upper column 02 of the circular grinding disc, the symmetrical semicircular fixing sleeves 04 are relatively matched, the spring 06 is placed in the inner groove 05 of the semicircular fixing sleeve, the spring The lower part of spring 06 abuts against the anti-slip chuck 03, and the upper part of spring 06 abuts against the upper part of the inner groove 05 of the semicircular fixed sleeve. The spring 06 applies a downward elastic thrust to the anti-slip chuck 03, so that the circular grinding disc 01 has a buffering effect when grinding the road surface, which prevents the circular grinding disc 01 from being worn vigorously during the road and bridge construction, thereby increasing the service life of the circular grinding disc 01. The upper part of the semicircular fixed sleeve 04 has a semicircular fixed sleeve upper column 07, which is adapted to the middle fixed sleeve 09. The symmetrical semicircular fixing sleeve upper column 07 is inserted into the middle fixing sleeve 09, and the symmetrical semicircular fixing sleeve upper column 07 is connected to the middle fixing sleeve 09 by bolts. The symmetrical semicircular fixing sleeve upper column 07 is inserted into and connected to the middle fixing sleeve 09 by bolts, and the symmetrical semicircular fixing sleeve 04 is tightly fitted through the middle fixing sleeve 09 to prevent the anti-slip chuck 03 from sliding out of the semicircular fixing sleeve 04 when disconnected by external force during road and bridge construction and grinding. The upper part of the middle fixing sleeve 09 is provided with an middle fixing sleeve upper column 10.

[0021] Embodiment 2:

[0022] The lower part of the motor 20 described in the utility model is installed on the motor mounting plate 12, and the lower part of the motor 20 has a motor shaft 21, the motor shaft 21 is inserted into the socket 11, and the motor shaft 21 is connected to the socket 11 by screws, the middle fixed sleeve upper column 10 is inserted into the socket 11, and the middle fixed sleeve upper column 10 is connected to the socket 11 by screws, and the motor shaft 21 is connected to the middle fixed sleeve upper column 10 through the socket 11, so that the upper part of the middle fixed sleeve upper column 10 is connected to the motor shaft 21, and when the motor 20 is working, the circular grinding disc 01 rotates with the rotation of the motor shaft 21, and the circular grinding disc 01 rotates to grind the uneven road surface, and the grinding point 08 has the function of fine grinding. The side of the motor mounting plate 12 is provided with a motor mounting plate side plate 13, and the lower part of the vertical limit plate 14 is connected to the motor mounting plate 12, and the three vertical limit plates 14 are fixed on the motor mounting plate 12.

[0023] Embodiment 3:

[0024] The vertical limit plate 14 described in the utility model is the same as the outer side of the motor mounting plate 12, the vertical limit plate 14 is adapted to the upper hanging tube 15, the vertical limit plate 14 is inserted into the upper hanging tube 15, the upper part of the vertical limit plate 14 is provided with a vertical limit plate upper plate 22, the upper hanging tube 15 has a plurality of upper hanging tube side holes 16, the vertical limit plate upper plate 22 is adapted to the upper hanging tube side holes 16, the vertical limit plate upper plate 22 is inserted into the upper hanging tube side holes 16, the vertical limit plate upper plate 22 slides in the upper hanging tube side holes 16, the three vertical limit plates 14 are evenly distributed on the upper part of the motor mounting plate 12, the upper part of the motor mounting plate 12 is connected to the upper hanging tube 15 through the three vertical limit plates 14, and the motor mounting plate 12 can slide up and down under the upper hanging tube 15, and the displacement of the motor mounting plate 12 sliding up and down is the sliding displacement of the vertical limit plate upper plate 22 in the upper hanging tube side holes 16.

[0025] Embodiment 4:

[0026] The motor 20 described in the utility model is inserted into the upper lifting cylinder 15, the upper part of the upper lifting cylinder 15 is provided with an upper lifting cylinder upper plate 18, the upper lifting cylinder upper plate 18 is connected to the frame by bolts, the lower part of the upper lifting cylinder 15 is provided with an upper lifting cylinder side plate 19, the cylinder 17 is connected to the upper lifting cylinder side plate 19 by bolts, the cylinder 17 is installed and fixed on the upper lifting cylinder side plate 19, the piston rod of the cylinder 17 passes through the upper lifting cylinder side plate 19 to connect the motor mounting plate side plate 13, the telescopic length of the motor mounting plate 12 under the upper lifting cylinder 15 is controlled by the cylinder 17, and a downward thrust is applied to the circular grinding disc 01, so that the device can grind different undulating roads. After grinding is completed, the circular grinding disc 01 is lifted up by controlling the cylinder 17. This device is installed on the bottom frame of the construction vehicle.

[0027] Embodiment 5:

[0028] The utility model installation steps are as follows: first, insert the spring 06 into the inner groove 05 of the semicircular fixing sleeve, insert the anti-slip chuck 03 into the inner groove 05 of the semicircular fixing sleeve, align the symmetrical semicircular fixing sleeves 04, insert the upper column 07 of the semicircular fixing sleeve into the middle fixing sleeve 09 and connect the middle fixing sleeve 09 by bolts, install the motor 20 on the motor mounting plate 12 by bolts, insert the motor shaft 21 through the motor mounting plate 12 and connect the sleeve 11 by screws, insert the upper column 10 of the middle fixing sleeve and connect the sleeve 11 by screws, insert the upper plate 22 of the vertical limit plate into the side hole 16 of the upper lifting cylinder, connect the lower part of the vertical limit plate 14 to the motor mounting plate 12, install the cylinder 17 on the side plate 19 of the upper lifting cylinder by bolts, pass the piston rod of the cylinder 17 through the side plate 19 of the upper lifting cylinder to connect the side plate 13 of the motor mounting plate, and install the upper plate 18 of the upper lifting cylinder on the frame by bolts.

[0029] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as within the protection scope of the present invention.

Claims

1. A road and bridge construction grinding device, characterized in that : It comprises a circular grinding disc (01), a semicircular fixing sleeve (04), a spring (06), an intermediate fixing sleeve (09), a connecting sleeve (11), a motor mounting plate (12), a vertical limit plate (14), an upper hanging tube (15), a cylinder (17), and a motor (20). The lower part of the circular grinding disc (01) has a plurality of grinding points (08). The upper part of the circular grinding disc (01) has a circular grinding disc upper column (02). The upper part of the circular grinding disc upper column (02) has an anti-slip chuck (03). The semicircular fixing sleeve (04) has a semicircular fixing sleeve inner groove (05). The anti-slip chuck (03) is adapted to the semicircular fixing sleeve inner groove (05). The anti-slip chuck (03) is inserted into the semicircular fixing sleeve inner groove (05). The anti-slip chuck (03) is inserted into the semicircular fixing sleeve inner groove (05). 05), the semicircular fixing sleeve (04) is symmetrically arranged at both ends of the circular grinding disc upper column (02), the symmetrical semicircular fixing sleeves (04) are relatively close, the spring (06) is placed in the inner groove (05) of the semicircular fixing sleeve, the lower part of the spring (06) is against the anti-drop chuck (03), the upper part of the spring (06) is against the upper part of the inner groove (05) of the semicircular fixing sleeve, the upper part of the semicircular fixing sleeve (04) is provided with a semicircular fixing sleeve upper column (07), the semicircular fixing sleeve upper column (07) is adapted to the middle fixing sleeve (09), the symmetrical semicircular fixing sleeve upper column (07) is inserted into the middle fixing sleeve (09), the symmetrical semicircular fixing sleeve upper column (07) is connected to the middle fixing sleeve (09) by bolts, and the upper part of the middle fixing sleeve (09) is provided with an middle fixing sleeve upper column (10).

2. A road and bridge construction grinding device according to claim 1, characterized in that The lower part of the motor (20) is mounted on the motor mounting plate (12), the lower part of the motor (20) has a motor shaft (21), the motor shaft (21) is inserted into the socket (11), the motor shaft (21) is connected to the socket (11) by screws, the middle fixed sleeve upper column (10) is inserted into the socket (11), the middle fixed sleeve upper column (10) is connected to the socket (11) by screws, the side of the motor mounting plate (12) has a motor mounting plate side plate (13), and the lower part of the vertical limit plate (14) is connected to the motor mounting plate (12).

3. A road and bridge construction grinding device according to claim 2, characterized in that The vertical limit plate (14) is identical to the outer side of the motor mounting plate (12), the vertical limit plate (14) is adapted to the upper hanging tube (15), the vertical limit plate (14) is inserted into the upper hanging tube (15), the upper part of the vertical limit plate (14) is provided with a vertical limit plate upper plate (22), the upper hanging tube (15) has a plurality of upper hanging tube side holes (16), the vertical limit plate upper plate (22) is adapted to the upper hanging tube side holes (16), the vertical limit plate upper plate (22) is inserted into the upper hanging tube side holes (16), the vertical limit plate upper plate (22) slides in the upper hanging tube side holes (16), and the three vertical limit plates (14) are evenly distributed on the upper part of the motor mounting plate (12).

4. A road and bridge construction grinding device according to claim 3, characterized in that The motor (20) is inserted into the upper hanging tube (15), the upper part of the upper hanging tube (15) is provided with an upper hanging tube upper plate (18), the upper hanging tube upper plate (18) is connected to the frame by bolts, and the lower part of the upper hanging tube (15) is provided with an upper hanging tube side plate (19).

5. A road and bridge construction grinding device according to claim 4, characterized in that The cylinder (17) is connected to the upper hoisting cylinder side plate (19) by bolts, and the piston rod of the cylinder (17) passes through the upper hoisting cylinder side plate (19) and is connected to the motor mounting plate side plate (13).

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