CN211740955U

CN211740955U - Wet wheel abrasion instrument

Info

Publication number: CN211740955U
Application number: CN202020429906.6U
Authority: CN
Inventors: 江华; 谭小林; 夏渝; 黄伟; 俞朝勇
Original assignee: Chongqing Jiaotong University Construction Engineering Quality Testing Center Co ltd
Current assignee: Chongqing Jiaotong University Construction Engineering Quality Testing Center Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-10-23
Anticipated expiration: 2030-03-27

Abstract

The utility model provides a wet wheel wearing and tearing appearance, includes grinding machanism, supporting part and clamping device, wherein the supporting part includes support frame and supporting seat, the support frame includes horizontal segment and vertical section, horizontal segment one end with vertical section one end links to each other, the horizontal segment other end with grinding machanism's one end links to each other, the vertical section other end links to each other with the supporting seat, clamping device installs the position that the support frame is close to the supporting seat to clamping device bottom sprag lies in the supporting seat, can reduce clamping device's vibrations in the experimentation, and clamping device makes the sample in the in-process of experiment, can not take place the skew along with the rotation of wearing and tearing head and guarantee that the experiment is accurate, and wearing and tearing head can come height-adjusting through flexible part, can satisfy the experiment of.

Description

Wet wheel abrasion instrument

Technical Field

The utility model relates to an wearing and tearing appearance equipment technical field, concretely relates to wet wheel wearing and tearing appearance.

Background

In road maintenance, the problem of water damage to micro-surfacing pavements is an important factor that limits the development of micro-surfacing. The wet wheel abrasion value of the mixture test is an important index for evaluating the compatibility and the water damage resistance of the slurry mixture, the smaller the wet wheel abrasion value is, the better the compatibility and the water damage resistance of the material is represented, and the determination of the wet wheel abrasion value of the slurry mixture is crucial to the use of road maintenance. The wear value of the wet wheel of the micro-surfacing material directly influences the compatibility and the water damage resistance of the material, and the wear value of a mixture test piece can be tested by an indoor wet wheel wear meter. In order to research the durability of the pavement, a wet wheel abrasion tester is adopted to test the cohesive force of a mixture test piece, and the method is a common indoor mixture abrasion value test method.

In the process of using the existing wet wheel abrasion instruments, a platform for placing a sample is not provided with a clamping device, and in the working process of the abrasion instruments, the sample is contacted with a rotating abrasion head on the abrasion instrument, and the sample can rotate along with the abrasion head to move, so that the test result is inaccurate.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is that the sample takes place the displacement and leads to the unsafe problem of experimental result in the experimentation to solve, to the above-mentioned not enough and provide a wet wheel wearing and tearing appearance that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wet wheel wearing and tearing appearance, includes grinding machanism, supporting part and clamping device, wherein the supporting part includes support frame and supporting seat, the support frame includes horizontal segment and vertical section, horizontal segment one end with vertical section one end links to each other, the horizontal segment other end with grinding machanism's one end links to each other, and the vertical section other end links to each other with the supporting seat, clamping device installs the position that is close to the supporting seat at the support frame to clamping device bottom sprag lies in on the supporting seat, can reduce clamping device's vibrations in the experimentation.

Preferably, grinding machanism includes driving motor, flexible part, outer sleeve and wearing and tearing head, wherein driving motor installs the one end at the support frame horizontal segment, driving motor's output pass the support frame with the outer sleeve links to each other, open one side of outer sleeve inner wall has a plurality of spacing grooves, and open the opposite side of outer sleeve inner wall has the sliding tray, flexible part passes through sliding tray and outer sleeve sliding connection to flexible part one end stretches out the outer sleeve with wearing and tearing head links to each other, makes flexible part slide in the outer sleeve, can drive wearing and tearing head and reciprocate.

Preferably, flexible part includes spacer pin, compression spring, connection frame and telescopic link, wherein connection frame sliding connection is in the outer sleeve to the connection frame below with telescopic link one end links to each other, and the telescopic link other end stretches out the outer sleeve and links to each other with wearing and tearing head, compression spring is located the connection frame, spacer pin one end is located the outer sleeve and connects a disc handle, and the spacer pin other end stretches into the spacing inslot for wedge and after passing connection frame and compression spring, the part outside symmetry that the spacer pin is located connection frame inside is equipped with two baffles to can compress tightly compression spring when the pulling spacer pin, and when loosening the spacer pin, compression spring promotes the baffle and makes the spacer pin insert the spacing inslot.

Preferably, the clamping device comprises clamping blocks, a sample placing plate, a rotary pushing device, a rotary table, a rotary handle, a base and a rotary shaft, wherein the side face of the sample placing plate is connected with the supporting frame, three slide rails are arranged on the sample placing plate, an included angle between every two adjacent slide rails is 120 degrees, each slide rail is respectively connected with one clamping block in a sliding mode, the outer side of each clamping block is hinged with the rotary pushing device, the bottom of the sample placing plate is connected with one end of the rotary shaft, the rotary table is located below the sample placing plate, the other end of the rotary shaft penetrates through the rotary table to be connected with the base, the rotary handle is installed between the base and the rotary table, and when the rotary handle is pulled, the rotary table can simultaneously rotate to enable the rotary pushing device to push.

Preferably, rotatory thrust unit includes rotary part, transfer line, axis of rotation and connecting rod, and wherein rotary part one end is the sector, and rotary part other end cross section is the rectangle to rotary part sector one end and the laminating in the clamp splice outside, the axis of rotation is installed at the rotary part middle part, connecting rod one end is fixed in the side of putting the model, and the connecting rod other end is articulated with the axis of rotation, the transfer line passes rotary part's cross section and is the laminating of rectangle one end and carousel side, and when promotion rotary part cross section was rectangle one end, rotary part can rotate around the axis of rotation for rotary part sector one end promotes the clamp splice and slides.

Preferably, the turntable is a three-tooth ratchet wheel, wherein each tooth of the ratchet wheel is in contact with one end of a transmission rod, so that when the turntable rotates, the transmission rod slides from the tooth socket to the tooth tip, the rotating part is pushed to rotate around the rotating shaft, and one end of a sector of the rotating part pushes the clamping block to slide so as to clamp the sample.

Compared with the prior art, the utility model discloses following beneficial effect has: in the use, after the model is put into to the sample, drive the carousel through rotating the handle and rotate, the carousel rotates and makes rotary part can promote the clamp splice and press from both sides the sample that is located the model, makes the sample at the in-process of experiment, can not take place the accuracy of skew assurance experiment along with wearing and tearing head's rotation, and wearing and tearing head can come height-adjusting through the extensible part, can satisfy the experiment of the sample of co-altitude.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

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

FIG. 2 is a sectional view of I in FIG. 1.

Fig. 3 is a top view of the clamping device.

Fig. 4 is a front view of the clamping device.

Fig. 5 is a sectional view taken along the line a-a in fig. 4.

FIG. 6 is a schematic structural diagram of II in FIG. 4.

The numbers in the figures are in order: the grinding mechanism 1, the driving motor 11, the telescopic member 12, the limiting pin 121, the compression spring 122, the connecting frame 123, the telescopic rod 124, the outer sleeve 13, the limiting groove 131, the sliding groove 132, the wear head 14, the support part 2, the support frame 21, the support seat 22, the clamping device 3, the clamping block 31, the sample placing plate 32, the sliding rail 321, the rotary pushing device 33, the rotating member 331, the transmission rod 332, the rotating shaft 333, the connecting rod 334, the turntable 34, the rotating handle 35, the base 36 and the rotating shaft 37.

Detailed Description

In order to make the utility model realize that technical means, creation characteristics, achievement purpose and effect are clearer and easily understand, it is right to combine below the figure and the detailed implementation mode the utility model discloses do further explanation:

as shown in fig. 1, a wet wheel abrasion tester comprises a grinding mechanism 1, a supporting part 2 and a clamping device 3, wherein the supporting part 2 comprises a supporting frame 21 and a supporting seat 22, the supporting frame 21 comprises a horizontal section and a vertical section, one end of the horizontal section is connected with one end of the vertical section, the other end of the horizontal section is connected with one end of the grinding mechanism 1, the other end of the vertical section is connected with the supporting seat 22, the clamping device 3 is installed at a position of the supporting frame 21 close to the supporting seat 22, and the bottom of the clamping device 3 is supported on the supporting seat 22.

As shown in fig. 1 and 2, preferably, the grinding mechanism 1 includes a driving motor 11, a telescopic member 12, an outer sleeve 13 and a wear head 14, wherein the driving motor 11 is installed at one end of a horizontal section of a support frame 21, an output end of the driving motor 11 passes through the support frame 21 and is connected to the outer sleeve 13, one side of an inner wall of the outer sleeve 13 is provided with a plurality of limiting grooves 131, the other side of the inner wall of the outer sleeve 13 is provided with a sliding groove 132, the telescopic member 12 is slidably connected to the outer sleeve 13 through the sliding groove 132, and one end of the telescopic member 12 extends out of the outer sleeve 13 and is connected to the wear head 14, so that the telescopic member 12 can drive the wear head 14 to move up and down while sliding in the outer sleeve.

As shown in fig. 2, preferably, the telescopic member 12 includes a limit pin 121, a compression spring 122, a connection frame 123 and a telescopic rod 124, wherein the connection frame 123 is slidably connected inside the outer sleeve 13, and the lower side of the connection frame 123 is connected to one end of the telescopic rod 124, the other end of the telescopic rod 124 extends out of the outer sleeve 13 and is connected to the wear head 14, the compression spring 122 is located inside the connection frame 123, one end of the limit pin 121 is located outside the outer sleeve 13 and is connected to a disk-shaped handle, the other end of the limit pin 121 is wedge-shaped and extends into the limit groove 131 after passing through the connection frame 123 and the compression spring 122, two baffle plates are symmetrically arranged outside the portion of the limit pin 121 located inside the connection frame 123, so as to compress the compression spring 122 when the limit pin 121 is pulled, and when the limit pin 121 is released, the compression spring 122 pushes the baffle plates to insert.

As can be seen in fig. 3 and 4, the clamping device 3 preferably comprises a clamping block 31, a placing plate 32, a rotary pushing device 33, a turntable 34, a turning handle 35, a base 36 and a rotating shaft 37, wherein the side of the sample placing plate 32 is connected with the supporting frame 21, three sliding rails 321 are arranged on the sample placing plate 32, and the included angle between two adjacent sliding rails 321 is 120 degrees, each sliding rail 321 is respectively connected with a clamping block 31 in a sliding manner, the outer side of each clamping block 31 is hinged with a rotary pushing device 33, the bottom of the sample placing plate 32 is connected with one end of the rotating shaft 37, the rotating disc 34 is positioned below the sample placing plate 32, the other end of the rotating shaft 37 passes through the rotating disc 34 to be connected with the base 36, the rotating handle 35 is arranged between the base 36 and the rotating disc 34, when the turning handle 35 is turned, the rotary disc 34 can be simultaneously turned so that the rotary pushing device 33 pushes the clamping block 31 to slide in the sliding rail 321 on the layout plate 32.

As can be seen from fig. 5, preferably, the rotary disc 34 is a three-tooth ratchet, wherein each tooth of the ratchet is in contact with one end of one transmission rod 332, so that when the rotary disc 34 rotates, the transmission rod 332 slides from the tooth socket to the tooth tip, and the rotating member 331 is pushed to rotate around the rotating shaft 333, so that one end of the sector of the rotating member 331 pushes the clamping block 31 to slide to clamp the sample.

As shown in fig. 6, preferably, the rotary pushing device 33 includes a rotating part 331, a transmission rod 332, a rotating shaft 333, and a connecting rod 334, wherein one end of the rotating part 331 is a sector, the other end of the rotating part 331 has a rectangular cross section, and one end of the sector of the rotating part 331 is attached to the outside of the clamping block 31, the rotating shaft 333 is installed in the middle of the rotating part 331, one end of the connecting rod 334 is fixed to the side of the sample plate 32, the other end of the connecting rod 334 is hinged to the rotating shaft 333, and the end of the transmission rod 332, which passes through the rotating part 331 and has a.

The utility model discloses an application principle does: when the sample clamping device is used, a sample is placed in the sample placing plate 32, the rotating handle 35 is rotated to drive the rotating disc 34 to rotate, and the rotating disc 34 is a three-tooth ratchet wheel, so that the transmission rod 332 slides to the tooth tip from the tooth socket when the rotating disc 34 rotates, the rotating part 331 rotates around the rotating shaft 333, and the clamping block 31 is pushed to slide on the sample placing plate 32 to clamp the sample; secondly, pulling the limiting pin 121 open, adjusting the telescopic part 12 up and down according to the height of the sample to enable the abrasion head 14 to be in contact with the sample, loosening the limiting pin 121 to enable the abrasion head to be clamped into the limiting groove 131, fixing the positions of the telescopic part 12 and the abrasion head 14, and then starting the driving motor 11 to perform an experiment; finally, after the experiment is finished, the driving motor 11 is turned off, the rotating handle 35 is rotated in the opposite direction, and the clamping block 31 is released to take out the sample.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a wet wheel wearing and tearing appearance, its characterized in that includes grinding machanism (1), supporting part (2) and clamping device (3), wherein supporting part (2) are including support frame (21) and supporting seat (22), support frame (21) include horizontal segment and vertical section, horizontal segment one end with vertical section one end links to each other, the horizontal segment other end with grinding machanism (1)'s one end links to each other, and the vertical section other end links to each other with supporting seat (22), clamping device (3) are installed in the position that support frame (21) are close to supporting seat (22) to clamping device (3) bottom sprag lies in on supporting seat (22).

2. The wet wheel abrasion instrument according to claim 1, wherein the grinding mechanism (1) comprises a driving motor (11), a telescopic component (12), an outer sleeve (13) and a abrasion head (14), wherein the driving motor (11) is installed at one end of a horizontal section of a supporting frame (21), an output end of the driving motor (11) penetrates through the supporting frame (21) to be connected with the outer sleeve (13), one side of the inner wall of the outer sleeve (13) is provided with a plurality of limiting grooves (131), the other side of the inner wall of the outer sleeve (13) is provided with a sliding groove (132), the telescopic component (12) is in sliding connection with the outer sleeve (13) through the sliding groove (132), and one end of the telescopic component (12) extends out of the outer sleeve (13) to be connected with the abrasion head (14).

3. The wet wheel abrasion instrument according to claim 2, wherein the telescopic part (12) comprises a limiting pin (121), a compression spring (122), a connecting frame (123) and a telescopic rod (124), wherein the connecting frame (123) is slidably connected in the outer sleeve (13), the lower part of the connecting frame (123) is connected with one end of the telescopic rod (124), the other end of the telescopic rod (124) extends out of the outer sleeve (13) to be connected with the abrasion head (14), the compression spring (122) is positioned in the connecting frame (123), one end of the limiting pin (121) is positioned outside the outer sleeve (13) and is connected with a disc-shaped handle, the other end of the limiting pin (121) is wedge-shaped and extends into the limiting groove (131) after penetrating through the connecting frame (123) and the compression spring (122), and two baffle plates are symmetrically arranged on the outer side of the part of the limiting pin (121) positioned in the connecting frame (123), so that the compression spring (122) can be pressed when the limit pin (121) is pulled, and when the limit pin (121) is loosened, the compression spring (122) pushes the baffle plate to enable the limit pin (121) to be inserted into the limit groove (131).

4. The wet wheel abrasion tester according to claim 1, wherein the clamping device (3) comprises a clamping block (31), a sample placing plate (32), a rotary pushing device (33), a turntable (34), a rotating handle (35), a base (36) and a rotating shaft (37), wherein the side surface of the sample placing plate (32) is connected with the support frame (21), three sliding rails (321) are arranged on the sample placing plate (32), the included angle between two adjacent sliding rails (321) is 120 degrees, each sliding rail (321) is respectively connected with one clamping block (31) in a sliding manner, the outer side of each clamping block (31) is hinged with one rotary pushing device (33), the bottom of the sample placing plate (32) is connected with one end of the rotating shaft (37), the turntable (34) is positioned below the sample placing plate (32), and the other end of the rotating shaft (37) passes through the turntable (34) to be connected with the base (36), the rotating handle (35) is arranged between the base (36) and the rotating disc (34).

5. The wet wheel abrasion instrument according to claim 4, wherein the rotary pushing device (33) comprises a rotating part (331), a transmission rod (332), a rotating shaft (333) and a connecting rod (334), wherein one end of the rotating part (331) is a sector, the cross section of the other end of the rotating part (331) is rectangular, one end of the sector of the rotating part (331) is attached to the outer side of the clamping block (31), the rotating shaft (333) is installed in the middle of the rotating part (331), one end of the connecting rod (334) is fixed on the side surface of the sample placing plate (32), the other end of the connecting rod (334) is hinged to the rotating shaft (333), and the cross section of the transmission rod (332) passing through the rotating part (331) is rectangular, and one end of the transmission rod is attached to.

6. A wet wheel abrader as set forth in claim 5 wherein said carousel (34) is a three-tooth ratchet wherein each tooth of said ratchet is in contact with one end of a drive rod (332) such that when the carousel (34) is rotated the drive rod (332) slides from the gullet to the tip of the tooth, pushing the rotary member (331) to rotate about the axis of rotation (333) such that one end of the sector of the rotary member (331) pushes the grip block (31) to slide to grip the sample.