CN218747318U

CN218747318U - Clamping tool for columnar test piece

Info

Publication number: CN218747318U
Application number: CN202223331183.4U
Authority: CN
Inventors: 肖伟; 首俊成; 彭名军; 傅耀彤
Original assignee: Jiangyou Tianxiong New Material Technology Co ltd
Current assignee: Jiangyou Tianxiong New Material Technology Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-28
Anticipated expiration: 2032-12-13

Abstract

The utility model provides a frock is got to column test piece clamp, including a plurality of grip blocks, the grip block is installed and is prolonged the board, on prolong and seted up the inclined hole on the board, the upper end of inclined hole leans out to extend, overhanging round pin has all been worn to the upper end of grip block, the medial extremity of overhanging round pin all is equipped with the mount table, the medial extremity of mount table is equipped with the lower wall, the lower wall upwards is equipped with extending the circle pole, on prolong the cover on the circle pole and be equipped with the slip ring, the periphery of slip ring is equipped with a plurality of concave plates, the outside end of concave plate all is equipped with the pull rod, the pull rod is worn respectively in the inclined hole, on prolong the upper end of circle pole and be equipped with the end dish. The arrangement of the mosaic blocks and the guide grooves plays a role in guiding the movement of the sliding ring, and the arrangement of the inclined holes can enable the clamping plate to clamp a test piece when the sliding ring moves, so that the clamping stability is improved, and the clamping operation is convenient; and the overhanging pin plays a motion guiding role for the clamping plate.

Description

Clamping tool for columnar test piece

Technical Field

The utility model relates to a road surface detects technical field, especially relates to a frock is got to column test piece clamp.

Background

In order to detect the effect and the performance of the hardened road surface in the construction process, a test piece is usually cut on the hardened road surface through a cutter with a cylindrical structure, and in the construction cutting process, the test piece is usually not positioned in a cutting cylinder but positioned in a hole after the cutting is finished, and the gap between the test piece and the hole is narrow, so that the problem that the test piece is inconvenient to take out exists, and the construction difficulty is increased. At present, the test piece is usually clamped by a clamp with a scissors-shaped structure for convenient taking out, and then the test piece is removed, however, in this way, when the test piece is removed, the test piece often falls off due to poor clamping stability.

SUMMERY OF THE UTILITY MODEL

The utility model provides a frock is got to column test piece clamp to solve the not enough of above-mentioned prior art, conveniently cut taking out that is located test piece in the hole after getting, and improve the dynamics and the stability of centre gripping when taking out.

In order to realize the purpose of the utility model, the following technologies are adopted:

the utility model provides a frock is got to column test piece clamp to solve the not enough of above-mentioned prior art, conveniently cut taking out that is located test piece in the hole after getting, and improved the dynamics and the stability of centre gripping when taking out, had stronger practicality.

the utility model provides a frock is got to column test piece clamp, including a plurality of grip blocks, the grip block acts on the outer wall of column test piece, carry out the centre gripping to column test piece, the upper end of grip block is installed and is prolonged the board, it has seted up the inclined hole on the board to prolong, the upper end of inclined hole leans out to extend, overhanging round pin has all been worn to the upper end of grip block, the medial extremity of overhanging round pin all is equipped with the mount table, the medial extremity of mount table is equipped with the lower wall, the lower wall upwards is equipped with extending round bar with extending, go up to extend round bar's week side and seted up a plurality of guide slots, it is equipped with the slip ring to go up to extend round bar and go up, the interior week of slip ring is equipped with a plurality of inserts, the insert is worn in the guide slot respectively, the periphery of slip ring is equipped with a plurality of concave plates, the outside end of concave plate all is equipped with the pull rod, the pull rod is worn in the inclined hole respectively, the upper end of upward extending round bar is equipped with the end dish. Wherein, the setting of mosaic block and guide way plays the effect of direction to the motion of slip ring, and the inclined hole set up can be when the slip ring removes for the grip block carries out the centre gripping to the testpieces, thereby has improved the stability of centre gripping, and also conveniently carries out the centre gripping operation. And the overhanging pin plays a motion guiding role for the clamping plate.

Furthermore, an upper wire drawing rod is rotatably arranged on the end disc, an upper wire drawing moving part is arranged on the upper wire drawing rod, the upper wire drawing moving part is provided with a plurality of connecting guide rods, the connecting guide rods penetrate through the end disc, and the lower ends of the connecting guide rods are arranged on the sliding ring. The mode that the active driving mode of the pull-up rod is adopted to clamp the test piece can ensure the stability of the clamping plate after the test piece is clamped, and is convenient for an operator to clamp the test piece.

Furthermore, the upper end of the upper pull screw rod is provided with a rotating cap. The setting of rotating the cap makes things convenient for operating personnel to rotate last wire drawing pole.

Furthermore, the outer side ends of the extending pins are sleeved with springs which are located on the outer side of the clamping plate. The spring is arranged to enable the clamping plate to pre-clamp the test piece, so that subsequent clamping operation is facilitated.

Furthermore, the upper end of the clamping plate is provided with an installation convex seat, the lower end of the upper extension plate is provided with a connecting screw rod, the connecting screw rod penetrates through the installation convex seat, and the lower end of the connecting screw rod is provided with a fixing nut. The upper extension plate is convenient to detach, maintain and replace through the connection mode.

Furthermore, the inner wall of the upper end of the clamping plate is provided with a limiting upper plate. The limiting upper plate limits the length of the clamping plate extending into the hole, and the problem that the length of the clamping plate extending into the hole influences the taking-out of a test piece due to the fact that the clamping plate extends into the hole for an overlong distance is avoided.

Further, the inner wall of the clamping plate is of an arc-shaped structure. Arc structural design can make the grip block closely paste on the outer wall of test piece to can enlarge the frictional force between test piece and the grip block, and centre gripping stability.

The technical scheme has the advantages that:

compared with the prior art, the utility model, the centre gripping when conveniently carrying out taking out of test piece to improve the stability of centre gripping, reduced the degree of difficulty of taking out of test piece, had stronger practicality.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 shows a perspective structure of one embodiment.

Fig. 2 shows an enlarged view at a.

Fig. 3 shows an enlarged view at B.

Fig. 4 shows an enlarged view at C.

Detailed Description

As shown in FIGS. 1 to 4, the clamping tool for the columnar test piece comprises a plurality of clamping plates 20, wherein the inner walls of the clamping plates 20 are of arc-shaped structures. The grip block 20 acts on the outer wall of columnar test piece 1 to carry out the centre gripping to columnar test piece 1, and the upper end inner wall of grip block 20 is equipped with spacing upper plate 21. An upper extension plate 25 is installed at the upper end of the clamping plate 20, an installation convex seat 22 is arranged at the upper end of the clamping plate 20, a connecting screw rod 23 is arranged at the lower end of the upper extension plate 25, the connecting screw rod 23 penetrates through the installation convex seat 22, and a fixing nut 24 is arranged at the lower end of the connecting screw rod 23. Go up and to have seted up inclined hole 30 on the extension board 25, the upper end of inclined hole 30 extends in the slope outward, and overhanging pin 26 has all been worn to the upper end of grip block 20, and the outside end of overhanging pin 26 all is equipped with spring 27, and spring 27 is located the outside of grip block 20. The inside end of overhanging pin 26 all is equipped with mount table 28, the inside end of mount table 28 is equipped with lower wall 29, lower wall 29 upwards extends to be equipped with and extends round bar 33, go up to extend round bar 33 week side and seted up a plurality of guide slots 34, go up to extend round bar 33 and go up the cover and be equipped with slip ring 35, the interior week of slip ring 35 is equipped with a plurality of inlays, the inlay wears respectively in guide slot 34, the periphery of slip ring 35 is equipped with a plurality of notch plates 32, the outside end of notch plate 32 all is equipped with pull rod 31, pull rod 31 wears respectively in inclined hole 30, the upper end of going up to extend round bar 33 is equipped with end disc 37. An upper wire drawing rod 39 is rotatably arranged on the end disc 37, an upper wire drawing movable piece 38 is arranged on the upper wire drawing rod 39, a plurality of connecting guide rods 36 are arranged on the upper wire drawing movable piece 38, the connecting guide rods 36 penetrate through the end disc 37, and the lower ends of the connecting guide rods 36 are arranged on the sliding ring 35. The upper end of the upper wire drawing rod 39 is provided with a rotating cap 40.

When the test piece is taken out, an operator penetrates the clamping plates 20 into a gap between the test piece and the hole, the limiting upper plate 21 is tightly propped against the upper end of the test piece, then the operator rotates the upper wire drawing rod 39 through the rotating cap 40, the upper wire drawing rod 39 drives the upper wire drawing movable part 38 to move upwards when rotating, the upward movement of the upper wire drawing movable part 38 drives the sliding ring 35 to move upwards through the connecting guide rod 36, the upward movement of the sliding ring 35 drives each pull rod 31 to move upwards, and when the pull rod 31 moves upwards, the pull rod 31 acts on the inner wall of the inclined hole 30, so that the upper extending plates 25 drive each clamping plate 20 to move inwards along the axial direction of the extending pin 26, the clamping operation on the test piece is finally completed through the clamping plates 20, and then the operator pulls the test piece upwards and takes the test piece out of the hole.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a frock is got to column test piece clamp, a serial communication port, including a plurality of grip blocks (20), grip block (20) act on the outer wall of column test piece (1), carry out the centre gripping to column test piece (1), last extension board (25) are installed to the upper end of grip block (20), inclined hole (30) have been seted up on last extension board (25), the upper end of inclined hole (30) outwards inclines to extend, overhang round pin (26) have all been worn to the upper end of grip block (20), the medial extremity of overhang round pin (26) all is equipped with mount table (28), the medial extremity of mount table (28) is equipped with lower wall (29), lower wall (29) upwards extend ground and be equipped with and prolong round bar (33), go up to prolong round bar (33) week and seted up a plurality of guide ways (34), go up to prolong round bar (33) and go up slip ring (35), the interior week of slip ring (35) is equipped with a plurality of inlaying pieces, inlay piece wears respectively in guide way (34), the periphery of slip ring (35) is equipped with a plurality of concave plate (32), the equal cover is equipped with the outside end of extension round bar (31) and is equipped with draw rod (31) respectively in the draw rod (31), the draw rod (31).

2. The clamping tool for the columnar test pieces as claimed in claim 1, wherein an upper wire drawing rod (39) is rotatably arranged on the end disc (37), an upper wire drawing moving part (38) is arranged on the upper wire drawing rod (39), the upper wire drawing moving part (38) is provided with a plurality of connecting guide rods (36), the connecting guide rods (36) penetrate through the end disc (37), and the lower ends of the connecting guide rods (36) are arranged on the sliding ring (35).

3. The clamping tool for the columnar test pieces as claimed in claim 2, wherein a rotating cap (40) is arranged at the upper end of the upper tension rod (39).

4. The clamping tool for the cylindrical test piece as claimed in claim 1, wherein springs (27) are sleeved at the outer ends of the outward extending pins (26), and the springs (27) are located on the outer side of the clamping plate (20).

5. The clamping tool for the columnar test piece as claimed in claim 1, wherein an installation convex seat (22) is arranged at the upper end of the clamping plate (20), a connecting screw rod (23) is arranged at the lower end of the upper extension plate (25), the connecting screw rod (23) penetrates through the installation convex seat (22), and a fixing nut (24) is arranged at the lower end of the connecting screw rod (23).

6. The clamping tool for the columnar test piece as claimed in claim 1, wherein a limiting upper plate (21) is arranged on the inner wall of the upper end of the clamping plate (20).

7. The clamping tool for the columnar test piece as claimed in claim 1, wherein the inner wall of the clamping plate (20) is of an arc-shaped structure.